diff options
Diffstat (limited to 'src/drivers/driver_nl80211.c')
| -rw-r--r-- | src/drivers/driver_nl80211.c | 5881 |
1 files changed, 4902 insertions, 979 deletions
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c index 364158c7d8e2..37b6be9951f4 100644 --- a/src/drivers/driver_nl80211.c +++ b/src/drivers/driver_nl80211.c @@ -1,48 +1,151 @@ /* * Driver interaction with Linux nl80211/cfg80211 - * Copyright (c) 2002-2010, Jouni Malinen <j@w1.fi> + * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi> * Copyright (c) 2003-2004, Instant802 Networks, Inc. * Copyright (c) 2005-2006, Devicescape Software, Inc. * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net> * Copyright (c) 2009-2010, Atheros Communications * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Alternatively, this software may be distributed under the terms of BSD - * license. - * - * See README and COPYING for more details. + * This software may be distributed under the terms of the BSD license. + * See README for more details. */ #include "includes.h" #include <sys/ioctl.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> #include <net/if.h> #include <netlink/genl/genl.h> #include <netlink/genl/family.h> #include <netlink/genl/ctrl.h> +#include <linux/rtnetlink.h> #include <netpacket/packet.h> #include <linux/filter.h> +#include <linux/errqueue.h> #include "nl80211_copy.h" #include "common.h" #include "eloop.h" +#include "utils/list.h" #include "common/ieee802_11_defs.h" +#include "common/ieee802_11_common.h" +#include "l2_packet/l2_packet.h" #include "netlink.h" #include "linux_ioctl.h" #include "radiotap.h" #include "radiotap_iter.h" +#include "rfkill.h" #include "driver.h" +#ifndef SO_WIFI_STATUS +# if defined(__sparc__) +# define SO_WIFI_STATUS 0x0025 +# elif defined(__parisc__) +# define SO_WIFI_STATUS 0x4022 +# else +# define SO_WIFI_STATUS 41 +# endif + +# define SCM_WIFI_STATUS SO_WIFI_STATUS +#endif + +#ifndef SO_EE_ORIGIN_TXSTATUS +#define SO_EE_ORIGIN_TXSTATUS 4 +#endif + +#ifndef PACKET_TX_TIMESTAMP +#define PACKET_TX_TIMESTAMP 16 +#endif + +#ifdef ANDROID +#include "android_drv.h" + +/* system/core/libnl_2 in AOSP does not include nla_put_u32() */ +int nla_put_u32(struct nl_msg *msg, int attrtype, uint32_t value) +{ + return nla_put(msg, attrtype, sizeof(uint32_t), &value); +} +#endif /* ANDROID */ #ifdef CONFIG_LIBNL20 /* libnl 2.0 compatibility code */ #define nl_handle nl_sock -#define nl_handle_alloc_cb nl_socket_alloc_cb -#define nl_handle_destroy nl_socket_free +#define nl80211_handle_alloc nl_socket_alloc_cb +#define nl80211_handle_destroy nl_socket_free +#else +/* + * libnl 1.1 has a bug, it tries to allocate socket numbers densely + * but when you free a socket again it will mess up its bitmap and + * and use the wrong number the next time it needs a socket ID. + * Therefore, we wrap the handle alloc/destroy and add our own pid + * accounting. + */ +static uint32_t port_bitmap[32] = { 0 }; + +static struct nl_handle *nl80211_handle_alloc(void *cb) +{ + struct nl_handle *handle; + uint32_t pid = getpid() & 0x3FFFFF; + int i; + + handle = nl_handle_alloc_cb(cb); + + for (i = 0; i < 1024; i++) { + if (port_bitmap[i / 32] & (1 << (i % 32))) + continue; + port_bitmap[i / 32] |= 1 << (i % 32); + pid += i << 22; + break; + } + + nl_socket_set_local_port(handle, pid); + + return handle; +} + +static void nl80211_handle_destroy(struct nl_handle *handle) +{ + uint32_t port = nl_socket_get_local_port(handle); + + port >>= 22; + port_bitmap[port / 32] &= ~(1 << (port % 32)); + + nl_handle_destroy(handle); +} #endif /* CONFIG_LIBNL20 */ +static struct nl_handle * nl_create_handle(struct nl_cb *cb, const char *dbg) +{ + struct nl_handle *handle; + + handle = nl80211_handle_alloc(cb); + if (handle == NULL) { + wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " + "callbacks (%s)", dbg); + return NULL; + } + + if (genl_connect(handle)) { + wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic " + "netlink (%s)", dbg); + nl80211_handle_destroy(handle); + return NULL; + } + + return handle; +} + + +static void nl_destroy_handles(struct nl_handle **handle) +{ + if (*handle == NULL) + return; + nl80211_handle_destroy(*handle); + *handle = NULL; +} + + #ifndef IFF_LOWER_UP #define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ #endif @@ -57,21 +160,66 @@ #define IF_OPER_UP 6 #endif +struct nl80211_global { + struct dl_list interfaces; + int if_add_ifindex; + struct netlink_data *netlink; + struct nl_cb *nl_cb; + struct nl_handle *nl; + int nl80211_id; + int ioctl_sock; /* socket for ioctl() use */ + + struct nl_handle *nl_event; +}; + +struct nl80211_wiphy_data { + struct dl_list list; + struct dl_list bsss; + struct dl_list drvs; + + struct nl_handle *nl_beacons; + struct nl_cb *nl_cb; + + int wiphy_idx; +}; + +static void nl80211_global_deinit(void *priv); +static void wpa_driver_nl80211_deinit(void *priv); + struct i802_bss { struct wpa_driver_nl80211_data *drv; struct i802_bss *next; int ifindex; char ifname[IFNAMSIZ + 1]; + char brname[IFNAMSIZ]; unsigned int beacon_set:1; + unsigned int added_if_into_bridge:1; + unsigned int added_bridge:1; + unsigned int in_deinit:1; + + u8 addr[ETH_ALEN]; + + int freq; + + void *ctx; + struct nl_handle *nl_preq, *nl_mgmt; + struct nl_cb *nl_cb; + + struct nl80211_wiphy_data *wiphy_data; + struct dl_list wiphy_list; }; struct wpa_driver_nl80211_data { + struct nl80211_global *global; + struct dl_list list; + struct dl_list wiphy_list; + char phyname[32]; void *ctx; - struct netlink_data *netlink; - int ioctl_sock; /* socket for ioctl() use */ - char brname[IFNAMSIZ]; int ifindex; int if_removed; + int if_disabled; + int ignore_if_down_event; + struct rfkill_data *rfkill; struct wpa_driver_capa capa; int has_capability; @@ -79,39 +227,44 @@ struct wpa_driver_nl80211_data { int scan_complete_events; - struct nl_handle *nl_handle; - struct nl_handle *nl_handle_event; - struct nl_cache *nl_cache; - struct nl_cache *nl_cache_event; struct nl_cb *nl_cb; - struct genl_family *nl80211; u8 auth_bssid[ETH_ALEN]; u8 bssid[ETH_ALEN]; int associated; u8 ssid[32]; size_t ssid_len; - int nlmode; - int ap_scan_as_station; + enum nl80211_iftype nlmode; + enum nl80211_iftype ap_scan_as_station; unsigned int assoc_freq; int monitor_sock; int monitor_ifidx; - int probe_req_report; - int disable_11b_rates; + int monitor_refcount; + unsigned int disabled_11b_rates:1; unsigned int pending_remain_on_chan:1; - unsigned int added_bridge:1; - unsigned int added_if_into_bridge:1; + unsigned int in_interface_list:1; + unsigned int device_ap_sme:1; + unsigned int poll_command_supported:1; + unsigned int data_tx_status:1; + unsigned int scan_for_auth:1; + unsigned int retry_auth:1; + unsigned int use_monitor:1; + unsigned int ignore_next_local_disconnect:1; u64 remain_on_chan_cookie; u64 send_action_cookie; + unsigned int last_mgmt_freq; + struct wpa_driver_scan_filter *filter_ssids; size_t num_filter_ssids; struct i802_bss first_bss; + int eapol_tx_sock; + #ifdef HOSTAPD int eapol_sock; /* socket for EAPOL frames */ @@ -122,12 +275,27 @@ struct wpa_driver_nl80211_data { int last_freq; int last_freq_ht; #endif /* HOSTAPD */ + + /* From failed authentication command */ + int auth_freq; + u8 auth_bssid_[ETH_ALEN]; + u8 auth_ssid[32]; + size_t auth_ssid_len; + int auth_alg; + u8 *auth_ie; + size_t auth_ie_len; + u8 auth_wep_key[4][16]; + size_t auth_wep_key_len[4]; + int auth_wep_tx_keyidx; + int auth_local_state_change; + int auth_p2p; }; static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx); -static int wpa_driver_nl80211_set_mode(void *priv, int mode); +static int wpa_driver_nl80211_set_mode(struct i802_bss *bss, + enum nl80211_iftype nlmode); static int wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv); static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, @@ -135,6 +303,16 @@ static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, int local_state_change); static void nl80211_remove_monitor_interface( struct wpa_driver_nl80211_data *drv); +static int nl80211_send_frame_cmd(struct i802_bss *bss, + unsigned int freq, unsigned int wait, + const u8 *buf, size_t buf_len, u64 *cookie, + int no_cck, int no_ack, int offchanok); +static int wpa_driver_nl80211_probe_req_report(void *priv, int report); +#ifdef ANDROID +static int android_pno_start(struct i802_bss *bss, + struct wpa_driver_scan_params *params); +static int android_pno_stop(struct i802_bss *bss); +#endif /* ANDROID */ #ifdef HOSTAPD static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx); @@ -144,18 +322,59 @@ static int wpa_driver_nl80211_if_remove(void *priv, enum wpa_driver_if_type type, const char *ifname); #else /* HOSTAPD */ -static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) +static inline void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) +{ +} + +static inline void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) +{ +} + +static inline int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) { return 0; } #endif /* HOSTAPD */ static int i802_set_freq(void *priv, struct hostapd_freq_params *freq); -static void wpa_driver_nl80211_probe_req_report_timeout(void *eloop_ctx, - void *timeout_ctx); static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, int ifindex, int disabled); +static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv); +static int wpa_driver_nl80211_authenticate_retry( + struct wpa_driver_nl80211_data *drv); + + +static int is_ap_interface(enum nl80211_iftype nlmode) +{ + return (nlmode == NL80211_IFTYPE_AP || + nlmode == NL80211_IFTYPE_P2P_GO); +} + + +static int is_sta_interface(enum nl80211_iftype nlmode) +{ + return (nlmode == NL80211_IFTYPE_STATION || + nlmode == NL80211_IFTYPE_P2P_CLIENT); +} + + +static int is_p2p_interface(enum nl80211_iftype nlmode) +{ + return (nlmode == NL80211_IFTYPE_P2P_CLIENT || + nlmode == NL80211_IFTYPE_P2P_GO); +} + + +struct nl80211_bss_info_arg { + struct wpa_driver_nl80211_data *drv; + struct wpa_scan_results *res; + unsigned int assoc_freq; + u8 assoc_bssid[ETH_ALEN]; +}; + +static int bss_info_handler(struct nl_msg *msg, void *arg); + /* nl80211 code */ static int ack_handler(struct nl_msg *msg, void *arg) @@ -187,7 +406,7 @@ static int no_seq_check(struct nl_msg *msg, void *arg) } -static int send_and_recv(struct wpa_driver_nl80211_data *drv, +static int send_and_recv(struct nl80211_global *global, struct nl_handle *nl_handle, struct nl_msg *msg, int (*valid_handler)(struct nl_msg *, void *), void *valid_data) @@ -195,7 +414,7 @@ static int send_and_recv(struct wpa_driver_nl80211_data *drv, struct nl_cb *cb; int err = -ENOMEM; - cb = nl_cb_clone(drv->nl_cb); + cb = nl_cb_clone(global->nl_cb); if (!cb) goto out; @@ -222,13 +441,23 @@ static int send_and_recv(struct wpa_driver_nl80211_data *drv, } +static int send_and_recv_msgs_global(struct nl80211_global *global, + struct nl_msg *msg, + int (*valid_handler)(struct nl_msg *, void *), + void *valid_data) +{ + return send_and_recv(global, global->nl, msg, valid_handler, + valid_data); +} + + static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg, int (*valid_handler)(struct nl_msg *, void *), void *valid_data) { - return send_and_recv(drv, drv->nl_handle, msg, valid_handler, - valid_data); + return send_and_recv(drv->global, drv->global->nl, msg, + valid_handler, valid_data); } @@ -269,7 +498,7 @@ static int family_handler(struct nl_msg *msg, void *arg) } -static int nl_get_multicast_id(struct wpa_driver_nl80211_data *drv, +static int nl_get_multicast_id(struct nl80211_global *global, const char *family, const char *group) { struct nl_msg *msg; @@ -279,11 +508,11 @@ static int nl_get_multicast_id(struct wpa_driver_nl80211_data *drv, msg = nlmsg_alloc(); if (!msg) return -ENOMEM; - genlmsg_put(msg, 0, 0, genl_ctrl_resolve(drv->nl_handle, "nlctrl"), + genlmsg_put(msg, 0, 0, genl_ctrl_resolve(global->nl, "nlctrl"), 0, 0, CTRL_CMD_GETFAMILY, 0); NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family); - ret = send_and_recv_msgs(drv, msg, family_handler, &res); + ret = send_and_recv_msgs_global(global, msg, family_handler, &res); msg = NULL; if (ret == 0) ret = res.id; @@ -294,6 +523,235 @@ nla_put_failure: } +static void * nl80211_cmd(struct wpa_driver_nl80211_data *drv, + struct nl_msg *msg, int flags, uint8_t cmd) +{ + return genlmsg_put(msg, 0, 0, drv->global->nl80211_id, + 0, flags, cmd, 0); +} + + +struct wiphy_idx_data { + int wiphy_idx; +}; + + +static int netdev_info_handler(struct nl_msg *msg, void *arg) +{ + struct nlattr *tb[NL80211_ATTR_MAX + 1]; + struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); + struct wiphy_idx_data *info = arg; + + nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), + genlmsg_attrlen(gnlh, 0), NULL); + + if (tb[NL80211_ATTR_WIPHY]) + info->wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]); + + return NL_SKIP; +} + + +static int nl80211_get_wiphy_index(struct i802_bss *bss) +{ + struct nl_msg *msg; + struct wiphy_idx_data data = { + .wiphy_idx = -1, + }; + + msg = nlmsg_alloc(); + if (!msg) + return -1; + + nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_GET_INTERFACE); + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); + + if (send_and_recv_msgs(bss->drv, msg, netdev_info_handler, &data) == 0) + return data.wiphy_idx; + msg = NULL; +nla_put_failure: + nlmsg_free(msg); + return -1; +} + + +static int nl80211_register_beacons(struct wpa_driver_nl80211_data *drv, + struct nl80211_wiphy_data *w) +{ + struct nl_msg *msg; + int ret = -1; + + msg = nlmsg_alloc(); + if (!msg) + return -1; + + nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_BEACONS); + + NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, w->wiphy_idx); + + ret = send_and_recv(drv->global, w->nl_beacons, msg, NULL, NULL); + msg = NULL; + if (ret) { + wpa_printf(MSG_DEBUG, "nl80211: Register beacons command " + "failed: ret=%d (%s)", + ret, strerror(-ret)); + goto nla_put_failure; + } + ret = 0; +nla_put_failure: + nlmsg_free(msg); + return ret; +} + + +static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle) +{ + struct nl80211_wiphy_data *w = eloop_ctx; + + wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available"); + + nl_recvmsgs(handle, w->nl_cb); +} + + +static int process_beacon_event(struct nl_msg *msg, void *arg) +{ + struct nl80211_wiphy_data *w = arg; + struct wpa_driver_nl80211_data *drv; + struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); + struct nlattr *tb[NL80211_ATTR_MAX + 1]; + union wpa_event_data event; + + nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), + genlmsg_attrlen(gnlh, 0), NULL); + + if (gnlh->cmd != NL80211_CMD_FRAME) { + wpa_printf(MSG_DEBUG, "nl80211: Unexpected beacon event? (%d)", + gnlh->cmd); + return NL_SKIP; + } + + if (!tb[NL80211_ATTR_FRAME]) + return NL_SKIP; + + dl_list_for_each(drv, &w->drvs, struct wpa_driver_nl80211_data, + wiphy_list) { + os_memset(&event, 0, sizeof(event)); + event.rx_mgmt.frame = nla_data(tb[NL80211_ATTR_FRAME]); + event.rx_mgmt.frame_len = nla_len(tb[NL80211_ATTR_FRAME]); + wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); + } + + return NL_SKIP; +} + + +static struct nl80211_wiphy_data * +nl80211_get_wiphy_data_ap(struct i802_bss *bss) +{ + static DEFINE_DL_LIST(nl80211_wiphys); + struct nl80211_wiphy_data *w; + int wiphy_idx, found = 0; + struct i802_bss *tmp_bss; + + if (bss->wiphy_data != NULL) + return bss->wiphy_data; + + wiphy_idx = nl80211_get_wiphy_index(bss); + + dl_list_for_each(w, &nl80211_wiphys, struct nl80211_wiphy_data, list) { + if (w->wiphy_idx == wiphy_idx) + goto add; + } + + /* alloc new one */ + w = os_zalloc(sizeof(*w)); + if (w == NULL) + return NULL; + w->wiphy_idx = wiphy_idx; + dl_list_init(&w->bsss); + dl_list_init(&w->drvs); + + w->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); + if (!w->nl_cb) { + os_free(w); + return NULL; + } + nl_cb_set(w->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); + nl_cb_set(w->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, process_beacon_event, + w); + + w->nl_beacons = nl_create_handle(bss->drv->global->nl_cb, + "wiphy beacons"); + if (w->nl_beacons == NULL) { + os_free(w); + return NULL; + } + + if (nl80211_register_beacons(bss->drv, w)) { + nl_destroy_handles(&w->nl_beacons); + os_free(w); + return NULL; + } + + eloop_register_read_sock(nl_socket_get_fd(w->nl_beacons), + nl80211_recv_beacons, w, w->nl_beacons); + + dl_list_add(&nl80211_wiphys, &w->list); + +add: + /* drv entry for this bss already there? */ + dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { + if (tmp_bss->drv == bss->drv) { + found = 1; + break; + } + } + /* if not add it */ + if (!found) + dl_list_add(&w->drvs, &bss->drv->wiphy_list); + + dl_list_add(&w->bsss, &bss->wiphy_list); + bss->wiphy_data = w; + return w; +} + + +static void nl80211_put_wiphy_data_ap(struct i802_bss *bss) +{ + struct nl80211_wiphy_data *w = bss->wiphy_data; + struct i802_bss *tmp_bss; + int found = 0; + + if (w == NULL) + return; + bss->wiphy_data = NULL; + dl_list_del(&bss->wiphy_list); + + /* still any for this drv present? */ + dl_list_for_each(tmp_bss, &w->bsss, struct i802_bss, wiphy_list) { + if (tmp_bss->drv == bss->drv) { + found = 1; + break; + } + } + /* if not remove it */ + if (!found) + dl_list_del(&bss->drv->wiphy_list); + + if (!dl_list_empty(&w->bsss)) + return; + + eloop_unregister_read_sock(nl_socket_get_fd(w->nl_beacons)); + + nl_cb_put(w->nl_cb); + nl_destroy_handles(&w->nl_beacons); + dl_list_del(&w->list); + os_free(w); +} + + static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid) { struct i802_bss *bss = priv; @@ -334,10 +792,28 @@ static void wpa_driver_nl80211_event_link(struct wpa_driver_nl80211_data *drv, del ? "removed" : "added"); if (os_strcmp(drv->first_bss.ifname, event.interface_status.ifname) == 0) { - if (del) + if (del) { + if (drv->if_removed) { + wpa_printf(MSG_DEBUG, "nl80211: if_removed " + "already set - ignore event"); + return; + } drv->if_removed = 1; - else + } else { + if (if_nametoindex(drv->first_bss.ifname) == 0) { + wpa_printf(MSG_DEBUG, "nl80211: Interface %s " + "does not exist - ignore " + "RTM_NEWLINK", + drv->first_bss.ifname); + return; + } + if (!drv->if_removed) { + wpa_printf(MSG_DEBUG, "nl80211: if_removed " + "already cleared - ignore event"); + return; + } drv->if_removed = 0; + } } wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); @@ -387,17 +863,33 @@ static int wpa_driver_nl80211_own_ifindex(struct wpa_driver_nl80211_data *drv, } +static struct wpa_driver_nl80211_data * +nl80211_find_drv(struct nl80211_global *global, int idx, u8 *buf, size_t len) +{ + struct wpa_driver_nl80211_data *drv; + dl_list_for_each(drv, &global->interfaces, + struct wpa_driver_nl80211_data, list) { + if (wpa_driver_nl80211_own_ifindex(drv, idx, buf, len) || + have_ifidx(drv, idx)) + return drv; + } + return NULL; +} + + static void wpa_driver_nl80211_event_rtm_newlink(void *ctx, struct ifinfomsg *ifi, u8 *buf, size_t len) { - struct wpa_driver_nl80211_data *drv = ctx; + struct nl80211_global *global = ctx; + struct wpa_driver_nl80211_data *drv; int attrlen, rta_len; struct rtattr *attr; u32 brid = 0; + char namebuf[IFNAMSIZ]; - if (!wpa_driver_nl80211_own_ifindex(drv, ifi->ifi_index, buf, len) && - !have_ifidx(drv, ifi->ifi_index)) { + drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); + if (!drv) { wpa_printf(MSG_DEBUG, "nl80211: Ignore event for foreign " "ifindex %d", ifi->ifi_index); return; @@ -410,6 +902,50 @@ static void wpa_driver_nl80211_event_rtm_newlink(void *ctx, (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "", (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "", (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : ""); + + if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) { + if (if_indextoname(ifi->ifi_index, namebuf) && + linux_iface_up(drv->global->ioctl_sock, + drv->first_bss.ifname) > 0) { + wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " + "event since interface %s is up", namebuf); + return; + } + wpa_printf(MSG_DEBUG, "nl80211: Interface down"); + if (drv->ignore_if_down_event) { + wpa_printf(MSG_DEBUG, "nl80211: Ignore interface down " + "event generated by mode change"); + drv->ignore_if_down_event = 0; + } else { + drv->if_disabled = 1; + wpa_supplicant_event(drv->ctx, + EVENT_INTERFACE_DISABLED, NULL); + } + } + + if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) { + if (if_indextoname(ifi->ifi_index, namebuf) && + linux_iface_up(drv->global->ioctl_sock, + drv->first_bss.ifname) == 0) { + wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " + "event since interface %s is down", + namebuf); + } else if (if_nametoindex(drv->first_bss.ifname) == 0) { + wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " + "event since interface %s does not exist", + drv->first_bss.ifname); + } else if (drv->if_removed) { + wpa_printf(MSG_DEBUG, "nl80211: Ignore interface up " + "event since interface %s is marked " + "removed", drv->first_bss.ifname); + } else { + wpa_printf(MSG_DEBUG, "nl80211: Interface up"); + drv->if_disabled = 0; + wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, + NULL); + } + } + /* * Some drivers send the association event before the operup event--in * this case, lifting operstate in wpa_driver_nl80211_set_operstate() @@ -419,7 +955,7 @@ static void wpa_driver_nl80211_event_rtm_newlink(void *ctx, if (drv->operstate == 1 && (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP && !(ifi->ifi_flags & IFF_RUNNING)) - netlink_send_oper_ifla(drv->netlink, drv->ifindex, + netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1, IF_OPER_UP); attrlen = len; @@ -436,16 +972,13 @@ static void wpa_driver_nl80211_event_rtm_newlink(void *ctx, attr = RTA_NEXT(attr, attrlen); } -#ifdef HOSTAPD if (ifi->ifi_family == AF_BRIDGE && brid) { /* device has been added to bridge */ - char namebuf[IFNAMSIZ]; if_indextoname(brid, namebuf); wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s", brid, namebuf); add_ifidx(drv, brid); } -#endif /* HOSTAPD */ } @@ -453,11 +986,19 @@ static void wpa_driver_nl80211_event_rtm_dellink(void *ctx, struct ifinfomsg *ifi, u8 *buf, size_t len) { - struct wpa_driver_nl80211_data *drv = ctx; + struct nl80211_global *global = ctx; + struct wpa_driver_nl80211_data *drv; int attrlen, rta_len; struct rtattr *attr; u32 brid = 0; + drv = nl80211_find_drv(global, ifi->ifi_index, buf, len); + if (!drv) { + wpa_printf(MSG_DEBUG, "nl80211: Ignore dellink event for " + "foreign ifindex %d", ifi->ifi_index); + return; + } + attrlen = len; attr = (struct rtattr *) buf; @@ -473,7 +1014,6 @@ static void wpa_driver_nl80211_event_rtm_dellink(void *ctx, attr = RTA_NEXT(attr, attrlen); } -#ifdef HOSTAPD if (ifi->ifi_family == AF_BRIDGE && brid) { /* device has been removed from bridge */ char namebuf[IFNAMSIZ]; @@ -482,7 +1022,6 @@ static void wpa_driver_nl80211_event_rtm_dellink(void *ctx, "%s", brid, namebuf); del_ifidx(drv, brid); } -#endif /* HOSTAPD */ } @@ -492,6 +1031,7 @@ static void mlme_event_auth(struct wpa_driver_nl80211_data *drv, const struct ieee80211_mgmt *mgmt; union wpa_event_data event; + wpa_printf(MSG_DEBUG, "nl80211: Authenticate event"); mgmt = (const struct ieee80211_mgmt *) frame; if (len < 24 + sizeof(mgmt->u.auth)) { wpa_printf(MSG_DEBUG, "nl80211: Too short association event " @@ -503,6 +1043,8 @@ static void mlme_event_auth(struct wpa_driver_nl80211_data *drv, os_memset(&event, 0, sizeof(event)); os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN); event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg); + event.auth.auth_transaction = + le_to_host16(mgmt->u.auth.auth_transaction); event.auth.status_code = le_to_host16(mgmt->u.auth.status_code); if (len > 24 + sizeof(mgmt->u.auth)) { event.auth.ies = mgmt->u.auth.variable; @@ -513,6 +1055,37 @@ static void mlme_event_auth(struct wpa_driver_nl80211_data *drv, } +static unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv) +{ + struct nl_msg *msg; + int ret; + struct nl80211_bss_info_arg arg; + + os_memset(&arg, 0, sizeof(arg)); + msg = nlmsg_alloc(); + if (!msg) + goto nla_put_failure; + + nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN); + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); + + arg.drv = drv; + ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg); + msg = NULL; + if (ret == 0) { + wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the " + "associated BSS from scan results: %u MHz", + arg.assoc_freq); + return arg.assoc_freq ? arg.assoc_freq : drv->assoc_freq; + } + wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d " + "(%s)", ret, strerror(-ret)); +nla_put_failure: + nlmsg_free(msg); + return drv->assoc_freq; +} + + static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv, const u8 *frame, size_t len) { @@ -520,6 +1093,7 @@ static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv, union wpa_event_data event; u16 status; + wpa_printf(MSG_DEBUG, "nl80211: Associate event"); mgmt = (const struct ieee80211_mgmt *) frame; if (len < 24 + sizeof(mgmt->u.assoc_resp)) { wpa_printf(MSG_DEBUG, "nl80211: Too short association event " @@ -530,6 +1104,7 @@ static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv, status = le_to_host16(mgmt->u.assoc_resp.status_code); if (status != WLAN_STATUS_SUCCESS) { os_memset(&event, 0, sizeof(event)); + event.assoc_reject.bssid = mgmt->bssid; if (len > 24 + sizeof(mgmt->u.assoc_resp)) { event.assoc_reject.resp_ies = (u8 *) mgmt->u.assoc_resp.variable; @@ -575,9 +1150,16 @@ static void mlme_event_connect(struct wpa_driver_nl80211_data *drv, return; } + if (cmd == NL80211_CMD_CONNECT) + wpa_printf(MSG_DEBUG, "nl80211: Connect event"); + else if (cmd == NL80211_CMD_ROAM) + wpa_printf(MSG_DEBUG, "nl80211: Roam event"); + os_memset(&event, 0, sizeof(event)); if (cmd == NL80211_CMD_CONNECT && nla_get_u16(status) != WLAN_STATUS_SUCCESS) { + if (addr) + event.assoc_reject.bssid = nla_data(addr); if (resp_ie) { event.assoc_reject.resp_ies = nla_data(resp_ie); event.assoc_reject.resp_ies_len = nla_len(resp_ie); @@ -600,10 +1182,85 @@ static void mlme_event_connect(struct wpa_driver_nl80211_data *drv, event.assoc_info.resp_ies_len = nla_len(resp_ie); } + event.assoc_info.freq = nl80211_get_assoc_freq(drv); + wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event); } +static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv, + struct nlattr *reason, struct nlattr *addr, + struct nlattr *by_ap) +{ + union wpa_event_data data; + unsigned int locally_generated = by_ap == NULL; + + if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) { + /* + * Avoid reporting two disassociation events that could + * confuse the core code. + */ + wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect " + "event when using userspace SME"); + return; + } + + if (drv->ignore_next_local_disconnect) { + drv->ignore_next_local_disconnect = 0; + if (locally_generated) { + wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect " + "event triggered during reassociation"); + return; + } + wpa_printf(MSG_WARNING, "nl80211: Was expecting local " + "disconnect but got another disconnect " + "event first"); + } + + wpa_printf(MSG_DEBUG, "nl80211: Disconnect event"); + drv->associated = 0; + os_memset(&data, 0, sizeof(data)); + if (reason) + data.deauth_info.reason_code = nla_get_u16(reason); + data.deauth_info.locally_generated = by_ap == NULL; + wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data); +} + + +static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv, + struct nlattr *freq, struct nlattr *type) +{ + union wpa_event_data data; + int ht_enabled = 1; + int chan_offset = 0; + + wpa_printf(MSG_DEBUG, "nl80211: Channel switch event"); + + if (!freq || !type) + return; + + switch (nla_get_u32(type)) { + case NL80211_CHAN_NO_HT: + ht_enabled = 0; + break; + case NL80211_CHAN_HT20: + break; + case NL80211_CHAN_HT40PLUS: + chan_offset = 1; + break; + case NL80211_CHAN_HT40MINUS: + chan_offset = -1; + break; + } + + data.ch_switch.freq = nla_get_u32(freq); + data.ch_switch.ht_enabled = ht_enabled; + data.ch_switch.ch_offset = chan_offset; + + wpa_supplicant_event(drv->ctx, EVENT_CH_SWITCH, &data); +} + + static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv, enum nl80211_commands cmd, struct nlattr *addr) { @@ -629,13 +1286,16 @@ static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv, } -static void mlme_event_action(struct wpa_driver_nl80211_data *drv, - struct nlattr *freq, const u8 *frame, size_t len) +static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv, + struct nlattr *freq, struct nlattr *sig, + const u8 *frame, size_t len) { const struct ieee80211_mgmt *mgmt; union wpa_event_data event; u16 fc, stype; + int ssi_signal = 0; + wpa_printf(MSG_DEBUG, "nl80211: Frame event"); mgmt = (const struct ieee80211_mgmt *) frame; if (len < 24) { wpa_printf(MSG_DEBUG, "nl80211: Too short action frame"); @@ -645,38 +1305,55 @@ static void mlme_event_action(struct wpa_driver_nl80211_data *drv, fc = le_to_host16(mgmt->frame_control); stype = WLAN_FC_GET_STYPE(fc); + if (sig) + ssi_signal = (s32) nla_get_u32(sig); + os_memset(&event, 0, sizeof(event)); - event.rx_action.da = mgmt->da; - event.rx_action.sa = mgmt->sa; - event.rx_action.bssid = mgmt->bssid; - event.rx_action.category = mgmt->u.action.category; - event.rx_action.data = &mgmt->u.action.category + 1; - event.rx_action.len = frame + len - event.rx_action.data; - if (freq) + if (freq) { event.rx_action.freq = nla_get_u32(freq); - wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event); + drv->last_mgmt_freq = event.rx_action.freq; + } + if (stype == WLAN_FC_STYPE_ACTION) { + event.rx_action.da = mgmt->da; + event.rx_action.sa = mgmt->sa; + event.rx_action.bssid = mgmt->bssid; + event.rx_action.category = mgmt->u.action.category; + event.rx_action.data = &mgmt->u.action.category + 1; + event.rx_action.len = frame + len - event.rx_action.data; + wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event); + } else { + event.rx_mgmt.frame = frame; + event.rx_mgmt.frame_len = len; + event.rx_mgmt.ssi_signal = ssi_signal; + wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event); + } } -static void mlme_event_action_tx_status(struct wpa_driver_nl80211_data *drv, - struct nlattr *cookie, const u8 *frame, - size_t len, struct nlattr *ack) +static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv, + struct nlattr *cookie, const u8 *frame, + size_t len, struct nlattr *ack) { union wpa_event_data event; const struct ieee80211_hdr *hdr; u16 fc; - u64 cookie_val; - if (!cookie) - return; + wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event"); + if (!is_ap_interface(drv->nlmode)) { + u64 cookie_val; - cookie_val = nla_get_u64(cookie); - wpa_printf(MSG_DEBUG, "nl80211: Action TX status: cookie=0%llx%s", - (long long unsigned int) cookie_val, - cookie_val == drv->send_action_cookie ? - " (match)" : " (unknown)"); - if (cookie_val != drv->send_action_cookie) - return; + if (!cookie) + return; + + cookie_val = nla_get_u64(cookie); + wpa_printf(MSG_DEBUG, "nl80211: Action TX status:" + " cookie=0%llx%s (ack=%d)", + (long long unsigned int) cookie_val, + cookie_val == drv->send_action_cookie ? + " (match)" : " (unknown)", ack != NULL); + if (cookie_val != drv->send_action_cookie) + return; + } hdr = (const struct ieee80211_hdr *) frame; fc = le_to_host16(hdr->frame_control); @@ -701,6 +1378,11 @@ static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv, const u8 *bssid = NULL; u16 reason_code = 0; + if (type == EVENT_DEAUTH) + wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event"); + else + wpa_printf(MSG_DEBUG, "nl80211: Disassociate event"); + mgmt = (const struct ieee80211_mgmt *) frame; if (len >= 24) { bssid = mgmt->bssid; @@ -728,11 +1410,62 @@ static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv, reason_code = le_to_host16(mgmt->u.deauth.reason_code); if (type == EVENT_DISASSOC) { + event.disassoc_info.locally_generated = + !os_memcmp(mgmt->sa, drv->first_bss.addr, ETH_ALEN); event.disassoc_info.addr = bssid; event.disassoc_info.reason_code = reason_code; + if (frame + len > mgmt->u.disassoc.variable) { + event.disassoc_info.ie = mgmt->u.disassoc.variable; + event.disassoc_info.ie_len = frame + len - + mgmt->u.disassoc.variable; + } } else { + event.deauth_info.locally_generated = + !os_memcmp(mgmt->sa, drv->first_bss.addr, ETH_ALEN); event.deauth_info.addr = bssid; event.deauth_info.reason_code = reason_code; + if (frame + len > mgmt->u.deauth.variable) { + event.deauth_info.ie = mgmt->u.deauth.variable; + event.deauth_info.ie_len = frame + len - + mgmt->u.deauth.variable; + } + } + + wpa_supplicant_event(drv->ctx, type, &event); +} + + +static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv, + enum wpa_event_type type, + const u8 *frame, size_t len) +{ + const struct ieee80211_mgmt *mgmt; + union wpa_event_data event; + u16 reason_code = 0; + + if (type == EVENT_UNPROT_DEAUTH) + wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event"); + else + wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event"); + + if (len < 24) + return; + + mgmt = (const struct ieee80211_mgmt *) frame; + + os_memset(&event, 0, sizeof(event)); + /* Note: Same offset for Reason Code in both frame subtypes */ + if (len >= 24 + sizeof(mgmt->u.deauth)) + reason_code = le_to_host16(mgmt->u.deauth.reason_code); + + if (type == EVENT_UNPROT_DISASSOC) { + event.unprot_disassoc.sa = mgmt->sa; + event.unprot_disassoc.da = mgmt->da; + event.unprot_disassoc.reason_code = reason_code; + } else { + event.unprot_deauth.sa = mgmt->sa; + event.unprot_deauth.da = mgmt->da; + event.unprot_deauth.reason_code = reason_code; } wpa_supplicant_event(drv->ctx, type, &event); @@ -743,7 +1476,7 @@ static void mlme_event(struct wpa_driver_nl80211_data *drv, enum nl80211_commands cmd, struct nlattr *frame, struct nlattr *addr, struct nlattr *timed_out, struct nlattr *freq, struct nlattr *ack, - struct nlattr *cookie) + struct nlattr *cookie, struct nlattr *sig) { if (timed_out && addr) { mlme_timeout_event(drv, cmd, addr); @@ -775,12 +1508,21 @@ static void mlme_event(struct wpa_driver_nl80211_data *drv, mlme_event_deauth_disassoc(drv, EVENT_DISASSOC, nla_data(frame), nla_len(frame)); break; - case NL80211_CMD_ACTION: - mlme_event_action(drv, freq, nla_data(frame), nla_len(frame)); + case NL80211_CMD_FRAME: + mlme_event_mgmt(drv, freq, sig, nla_data(frame), + nla_len(frame)); break; - case NL80211_CMD_ACTION_TX_STATUS: - mlme_event_action_tx_status(drv, cookie, nla_data(frame), - nla_len(frame), ack); + case NL80211_CMD_FRAME_TX_STATUS: + mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame), + nla_len(frame), ack); + break; + case NL80211_CMD_UNPROT_DEAUTHENTICATE: + mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH, + nla_data(frame), nla_len(frame)); + break; + case NL80211_CMD_UNPROT_DISASSOCIATE: + mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC, + nla_data(frame), nla_len(frame)); break; default: break; @@ -788,7 +1530,7 @@ static void mlme_event(struct wpa_driver_nl80211_data *drv, } -static void mlme_event_michael_mic_failure(struct wpa_driver_nl80211_data *drv, +static void mlme_event_michael_mic_failure(struct i802_bss *bss, struct nlattr *tb[]) { union wpa_event_data data; @@ -820,7 +1562,7 @@ static void mlme_event_michael_mic_failure(struct wpa_driver_nl80211_data *drv, wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id); } - wpa_supplicant_event(drv->ctx, EVENT_MICHAEL_MIC_FAILURE, &data); + wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data); } @@ -877,7 +1619,8 @@ static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv, if (cookie != drv->remain_on_chan_cookie) return; /* not for us */ - drv->pending_remain_on_chan = !cancel_event; + if (cancel_event) + drv->pending_remain_on_chan = 0; os_memset(&data, 0, sizeof(data)); data.remain_on_channel.freq = freq; @@ -899,6 +1642,14 @@ static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted, int freqs[MAX_REPORT_FREQS]; int num_freqs = 0; + if (drv->scan_for_auth) { + drv->scan_for_auth = 0; + wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing " + "cfg80211 BSS entry"); + wpa_driver_nl80211_authenticate_retry(drv); + return; + } + os_memset(&event, 0, sizeof(event)); info = &event.scan_info; info->aborted = aborted; @@ -929,6 +1680,219 @@ static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted, } +static int get_link_signal(struct nl_msg *msg, void *arg) +{ + struct nlattr *tb[NL80211_ATTR_MAX + 1]; + struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); + struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1]; + static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = { + [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 }, + }; + struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1]; + static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = { + [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 }, + [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 }, + [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG }, + [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG }, + }; + struct wpa_signal_info *sig_change = arg; + + nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), + genlmsg_attrlen(gnlh, 0), NULL); + if (!tb[NL80211_ATTR_STA_INFO] || + nla_parse_nested(sinfo, NL80211_STA_INFO_MAX, + tb[NL80211_ATTR_STA_INFO], policy)) + return NL_SKIP; + if (!sinfo[NL80211_STA_INFO_SIGNAL]) + return NL_SKIP; + + sig_change->current_signal = + (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]); + + if (sinfo[NL80211_STA_INFO_TX_BITRATE]) { + if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX, + sinfo[NL80211_STA_INFO_TX_BITRATE], + rate_policy)) { + sig_change->current_txrate = 0; + } else { + if (rinfo[NL80211_RATE_INFO_BITRATE]) { + sig_change->current_txrate = + nla_get_u16(rinfo[ + NL80211_RATE_INFO_BITRATE]) * 100; + } + } + } + + return NL_SKIP; +} + + +static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv, + struct wpa_signal_info *sig) +{ + struct nl_msg *msg; + + sig->current_signal = -9999; + sig->current_txrate = 0; + + msg = nlmsg_alloc(); + if (!msg) + return -ENOMEM; + + nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION); + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid); + + return send_and_recv_msgs(drv, msg, get_link_signal, sig); + nla_put_failure: + nlmsg_free(msg); + return -ENOBUFS; +} + + +static int get_link_noise(struct nl_msg *msg, void *arg) +{ + struct nlattr *tb[NL80211_ATTR_MAX + 1]; + struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); + struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; + static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { + [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, + [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, + }; + struct wpa_signal_info *sig_change = arg; + + nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), + genlmsg_attrlen(gnlh, 0), NULL); + + if (!tb[NL80211_ATTR_SURVEY_INFO]) { + wpa_printf(MSG_DEBUG, "nl80211: survey data missing!"); + return NL_SKIP; + } + + if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, + tb[NL80211_ATTR_SURVEY_INFO], + survey_policy)) { + wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested " + "attributes!"); + return NL_SKIP; + } + + if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) + return NL_SKIP; + + if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) != + sig_change->frequency) + return NL_SKIP; + + if (!sinfo[NL80211_SURVEY_INFO_NOISE]) + return NL_SKIP; + + sig_change->current_noise = + (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); + + return NL_SKIP; +} + + +static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv, + struct wpa_signal_info *sig_change) +{ + struct nl_msg *msg; + + sig_change->current_noise = 9999; + sig_change->frequency = drv->assoc_freq; + + msg = nlmsg_alloc(); + if (!msg) + return -ENOMEM; + + nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); + + return send_and_recv_msgs(drv, msg, get_link_noise, sig_change); + nla_put_failure: + nlmsg_free(msg); + return -ENOBUFS; +} + + +static int get_noise_for_scan_results(struct nl_msg *msg, void *arg) +{ + struct nlattr *tb[NL80211_ATTR_MAX + 1]; + struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); + struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1]; + static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = { + [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 }, + [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 }, + }; + struct wpa_scan_results *scan_results = arg; + struct wpa_scan_res *scan_res; + size_t i; + + nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), + genlmsg_attrlen(gnlh, 0), NULL); + + if (!tb[NL80211_ATTR_SURVEY_INFO]) { + wpa_printf(MSG_DEBUG, "nl80211: Survey data missing"); + return NL_SKIP; + } + + if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX, + tb[NL80211_ATTR_SURVEY_INFO], + survey_policy)) { + wpa_printf(MSG_DEBUG, "nl80211: Failed to parse nested " + "attributes"); + return NL_SKIP; + } + + if (!sinfo[NL80211_SURVEY_INFO_NOISE]) + return NL_SKIP; + + if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY]) + return NL_SKIP; + + for (i = 0; i < scan_results->num; ++i) { + scan_res = scan_results->res[i]; + if (!scan_res) + continue; + if ((int) nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) != + scan_res->freq) + continue; + if (!(scan_res->flags & WPA_SCAN_NOISE_INVALID)) + continue; + scan_res->noise = (s8) + nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]); + scan_res->flags &= ~WPA_SCAN_NOISE_INVALID; + } + + return NL_SKIP; +} + + +static int nl80211_get_noise_for_scan_results( + struct wpa_driver_nl80211_data *drv, + struct wpa_scan_results *scan_res) +{ + struct nl_msg *msg; + + msg = nlmsg_alloc(); + if (!msg) + return -ENOMEM; + + nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SURVEY); + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); + + return send_and_recv_msgs(drv, msg, get_noise_for_scan_results, + scan_res); + nla_put_failure: + nlmsg_free(msg); + return -ENOBUFS; +} + + static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv, struct nlattr *tb[]) { @@ -936,10 +1900,13 @@ static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv, [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 }, [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, + [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 }, }; struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1]; enum nl80211_cqm_rssi_threshold_event event; union wpa_event_data ed; + struct wpa_signal_info sig; + int res; if (tb[NL80211_ATTR_CQM] == NULL || nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM], @@ -948,12 +1915,21 @@ static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv, return; } + os_memset(&ed, 0, sizeof(ed)); + + if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) { + if (!tb[NL80211_ATTR_MAC]) + return; + os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]), + ETH_ALEN); + wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed); + return; + } + if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL) return; event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]); - os_memset(&ed, 0, sizeof(ed)); - if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) { wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor " "event: RSSI high"); @@ -965,42 +1941,258 @@ static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv, } else return; + res = nl80211_get_link_signal(drv, &sig); + if (res == 0) { + ed.signal_change.current_signal = sig.current_signal; + ed.signal_change.current_txrate = sig.current_txrate; + wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d", + sig.current_signal, sig.current_txrate); + } + + res = nl80211_get_link_noise(drv, &sig); + if (res == 0) { + ed.signal_change.current_noise = sig.current_noise; + wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm", + sig.current_noise); + } + wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed); } -static int process_event(struct nl_msg *msg, void *arg) +static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv, + struct nlattr **tb) { - struct wpa_driver_nl80211_data *drv = arg; - struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); - struct nlattr *tb[NL80211_ATTR_MAX + 1]; + u8 *addr; union wpa_event_data data; - nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), - genlmsg_attrlen(gnlh, 0), NULL); + if (tb[NL80211_ATTR_MAC] == NULL) + return; + addr = nla_data(tb[NL80211_ATTR_MAC]); + wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr)); - if (tb[NL80211_ATTR_IFINDEX]) { - int ifindex = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); - if (ifindex != drv->ifindex && !have_ifidx(drv, ifindex)) { - wpa_printf(MSG_DEBUG, "nl80211: Ignored event (cmd=%d)" - " for foreign interface (ifindex %d)", - gnlh->cmd, ifindex); - return NL_SKIP; + if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) { + u8 *ies = NULL; + size_t ies_len = 0; + if (tb[NL80211_ATTR_IE]) { + ies = nla_data(tb[NL80211_ATTR_IE]); + ies_len = nla_len(tb[NL80211_ATTR_IE]); } + wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len); + drv_event_assoc(drv->ctx, addr, ies, ies_len, 0); + return; + } + + if (drv->nlmode != NL80211_IFTYPE_ADHOC) + return; + + os_memset(&data, 0, sizeof(data)); + os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN); + wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data); +} + + +static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv, + struct nlattr **tb) +{ + u8 *addr; + union wpa_event_data data; + + if (tb[NL80211_ATTR_MAC] == NULL) + return; + addr = nla_data(tb[NL80211_ATTR_MAC]); + wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR, + MAC2STR(addr)); + + if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) { + drv_event_disassoc(drv->ctx, addr); + return; } - if (drv->ap_scan_as_station && - (gnlh->cmd == NL80211_CMD_NEW_SCAN_RESULTS || - gnlh->cmd == NL80211_CMD_SCAN_ABORTED)) { + if (drv->nlmode != NL80211_IFTYPE_ADHOC) + return; + + os_memset(&data, 0, sizeof(data)); + os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN); + wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data); +} + + +static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv, + struct nlattr **tb) +{ + struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA]; + static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = { + [NL80211_REKEY_DATA_KEK] = { + .minlen = NL80211_KEK_LEN, + .maxlen = NL80211_KEK_LEN, + }, + [NL80211_REKEY_DATA_KCK] = { + .minlen = NL80211_KCK_LEN, + .maxlen = NL80211_KCK_LEN, + }, + [NL80211_REKEY_DATA_REPLAY_CTR] = { + .minlen = NL80211_REPLAY_CTR_LEN, + .maxlen = NL80211_REPLAY_CTR_LEN, + }, + }; + union wpa_event_data data; + + if (!tb[NL80211_ATTR_MAC]) + return; + if (!tb[NL80211_ATTR_REKEY_DATA]) + return; + if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA, + tb[NL80211_ATTR_REKEY_DATA], rekey_policy)) + return; + if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]) + return; + + os_memset(&data, 0, sizeof(data)); + data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]); + wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR, + MAC2STR(data.driver_gtk_rekey.bssid)); + data.driver_gtk_rekey.replay_ctr = + nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]); + wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter", + data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN); + wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data); +} + + +static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv, + struct nlattr **tb) +{ + struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE]; + static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = { + [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 }, + [NL80211_PMKSA_CANDIDATE_BSSID] = { + .minlen = ETH_ALEN, + .maxlen = ETH_ALEN, + }, + [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG }, + }; + union wpa_event_data data; + + wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event"); + + if (!tb[NL80211_ATTR_PMKSA_CANDIDATE]) + return; + if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE, + tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy)) + return; + if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] || + !cand[NL80211_PMKSA_CANDIDATE_BSSID]) + return; + + os_memset(&data, 0, sizeof(data)); + os_memcpy(data.pmkid_candidate.bssid, + nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN); + data.pmkid_candidate.index = + nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]); + data.pmkid_candidate.preauth = + cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL; + wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data); +} + + +static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv, + struct nlattr **tb) +{ + union wpa_event_data data; + + wpa_printf(MSG_DEBUG, "nl80211: Probe client event"); + + if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK]) + return; + + os_memset(&data, 0, sizeof(data)); + os_memcpy(data.client_poll.addr, + nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); + + wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data); +} + + +static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv, + struct nlattr **tb) +{ + union wpa_event_data data; + + wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event"); + + if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION]) + return; + + os_memset(&data, 0, sizeof(data)); + os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN); + switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) { + case NL80211_TDLS_SETUP: + wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer " + MACSTR, MAC2STR(data.tdls.peer)); + data.tdls.oper = TDLS_REQUEST_SETUP; + break; + case NL80211_TDLS_TEARDOWN: + wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer " + MACSTR, MAC2STR(data.tdls.peer)); + data.tdls.oper = TDLS_REQUEST_TEARDOWN; + break; + default: + wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione " + "event"); + return; + } + if (tb[NL80211_ATTR_REASON_CODE]) { + data.tdls.reason_code = + nla_get_u16(tb[NL80211_ATTR_REASON_CODE]); + } + + wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data); +} + + +static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb, + int wds) +{ + struct wpa_driver_nl80211_data *drv = bss->drv; + union wpa_event_data event; + + if (!tb[NL80211_ATTR_MAC]) + return; + + os_memset(&event, 0, sizeof(event)); + event.rx_from_unknown.bssid = bss->addr; + event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]); + event.rx_from_unknown.wds = wds; + + wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event); +} + + +static void do_process_drv_event(struct i802_bss *bss, int cmd, + struct nlattr **tb) +{ + struct wpa_driver_nl80211_data *drv = bss->drv; + + if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED && + (cmd == NL80211_CMD_NEW_SCAN_RESULTS || + cmd == NL80211_CMD_SCAN_ABORTED)) { wpa_driver_nl80211_set_mode(&drv->first_bss, - IEEE80211_MODE_AP); - drv->ap_scan_as_station = 0; + drv->ap_scan_as_station); + drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; } - switch (gnlh->cmd) { + switch (cmd) { case NL80211_CMD_TRIGGER_SCAN: wpa_printf(MSG_DEBUG, "nl80211: Scan trigger"); break; + case NL80211_CMD_START_SCHED_SCAN: + wpa_printf(MSG_DEBUG, "nl80211: Sched scan started"); + break; + case NL80211_CMD_SCHED_SCAN_STOPPED: + wpa_printf(MSG_DEBUG, "nl80211: Sched scan stopped"); + wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL); + break; case NL80211_CMD_NEW_SCAN_RESULTS: wpa_printf(MSG_DEBUG, "nl80211: New scan results available"); drv->scan_complete_events = 1; @@ -1008,6 +2200,11 @@ static int process_event(struct nl_msg *msg, void *arg) drv->ctx); send_scan_event(drv, 0, tb); break; + case NL80211_CMD_SCHED_SCAN_RESULTS: + wpa_printf(MSG_DEBUG, + "nl80211: New sched scan results available"); + send_scan_event(drv, 0, tb); + break; case NL80211_CMD_SCAN_ABORTED: wpa_printf(MSG_DEBUG, "nl80211: Scan aborted"); /* @@ -1022,40 +2219,34 @@ static int process_event(struct nl_msg *msg, void *arg) case NL80211_CMD_ASSOCIATE: case NL80211_CMD_DEAUTHENTICATE: case NL80211_CMD_DISASSOCIATE: - case NL80211_CMD_ACTION: - case NL80211_CMD_ACTION_TX_STATUS: - mlme_event(drv, gnlh->cmd, tb[NL80211_ATTR_FRAME], + case NL80211_CMD_FRAME_TX_STATUS: + case NL80211_CMD_UNPROT_DEAUTHENTICATE: + case NL80211_CMD_UNPROT_DISASSOCIATE: + mlme_event(drv, cmd, tb[NL80211_ATTR_FRAME], tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT], tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK], - tb[NL80211_ATTR_COOKIE]); + tb[NL80211_ATTR_COOKIE], + tb[NL80211_ATTR_RX_SIGNAL_DBM]); break; case NL80211_CMD_CONNECT: case NL80211_CMD_ROAM: - mlme_event_connect(drv, gnlh->cmd, + mlme_event_connect(drv, cmd, tb[NL80211_ATTR_STATUS_CODE], tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_REQ_IE], tb[NL80211_ATTR_RESP_IE]); break; + case NL80211_CMD_CH_SWITCH_NOTIFY: + mlme_event_ch_switch(drv, tb[NL80211_ATTR_WIPHY_FREQ], + tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); + break; case NL80211_CMD_DISCONNECT: - if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) { - /* - * Avoid reporting two disassociation events that could - * confuse the core code. - */ - wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect " - "event when using userspace SME"); - break; - } - drv->associated = 0; - os_memset(&data, 0, sizeof(data)); - if (tb[NL80211_ATTR_REASON_CODE]) - data.disassoc_info.reason_code = - nla_get_u16(tb[NL80211_ATTR_REASON_CODE]); - wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, &data); + mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE], + tb[NL80211_ATTR_MAC], + tb[NL80211_ATTR_DISCONNECTED_BY_AP]); break; case NL80211_CMD_MICHAEL_MIC_FAILURE: - mlme_event_michael_mic_failure(drv, tb); + mlme_event_michael_mic_failure(bss, tb); break; case NL80211_CMD_JOIN_IBSS: mlme_event_join_ibss(drv, tb); @@ -1069,6 +2260,123 @@ static int process_event(struct nl_msg *msg, void *arg) case NL80211_CMD_NOTIFY_CQM: nl80211_cqm_event(drv, tb); break; + case NL80211_CMD_REG_CHANGE: + wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change"); + wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, + NULL); + break; + case NL80211_CMD_REG_BEACON_HINT: + wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint"); + wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, + NULL); + break; + case NL80211_CMD_NEW_STATION: + nl80211_new_station_event(drv, tb); + break; + case NL80211_CMD_DEL_STATION: + nl80211_del_station_event(drv, tb); + break; + case NL80211_CMD_SET_REKEY_OFFLOAD: + nl80211_rekey_offload_event(drv, tb); + break; + case NL80211_CMD_PMKSA_CANDIDATE: + nl80211_pmksa_candidate_event(drv, tb); + break; + case NL80211_CMD_PROBE_CLIENT: + nl80211_client_probe_event(drv, tb); + break; + case NL80211_CMD_TDLS_OPER: + nl80211_tdls_oper_event(drv, tb); + break; + default: + wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event " + "(cmd=%d)", cmd); + break; + } +} + + +static int process_drv_event(struct nl_msg *msg, void *arg) +{ + struct wpa_driver_nl80211_data *drv = arg; + struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); + struct nlattr *tb[NL80211_ATTR_MAX + 1]; + struct i802_bss *bss; + int ifidx = -1; + + nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), + genlmsg_attrlen(gnlh, 0), NULL); + + if (tb[NL80211_ATTR_IFINDEX]) + ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); + + for (bss = &drv->first_bss; bss; bss = bss->next) { + if (ifidx == -1 || ifidx == bss->ifindex) { + do_process_drv_event(bss, gnlh->cmd, tb); + return NL_SKIP; + } + } + + wpa_printf(MSG_DEBUG, "nl80211: Ignored event (cmd=%d) for foreign " + "interface (ifindex %d)", gnlh->cmd, ifidx); + + return NL_SKIP; +} + + +static int process_global_event(struct nl_msg *msg, void *arg) +{ + struct nl80211_global *global = arg; + struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); + struct nlattr *tb[NL80211_ATTR_MAX + 1]; + struct wpa_driver_nl80211_data *drv, *tmp; + int ifidx = -1; + struct i802_bss *bss; + + nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), + genlmsg_attrlen(gnlh, 0), NULL); + + if (tb[NL80211_ATTR_IFINDEX]) + ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); + + dl_list_for_each_safe(drv, tmp, &global->interfaces, + struct wpa_driver_nl80211_data, list) { + for (bss = &drv->first_bss; bss; bss = bss->next) { + if (ifidx == -1 || ifidx == bss->ifindex) { + do_process_drv_event(bss, gnlh->cmd, tb); + return NL_SKIP; + } + } + } + + return NL_SKIP; +} + + +static int process_bss_event(struct nl_msg *msg, void *arg) +{ + struct i802_bss *bss = arg; + struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); + struct nlattr *tb[NL80211_ATTR_MAX + 1]; + + nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), + genlmsg_attrlen(gnlh, 0), NULL); + + switch (gnlh->cmd) { + case NL80211_CMD_FRAME: + case NL80211_CMD_FRAME_TX_STATUS: + mlme_event(bss->drv, gnlh->cmd, tb[NL80211_ATTR_FRAME], + tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT], + tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK], + tb[NL80211_ATTR_COOKIE], + tb[NL80211_ATTR_RX_SIGNAL_DBM]); + break; + case NL80211_CMD_UNEXPECTED_FRAME: + nl80211_spurious_frame(bss, tb, 0); + break; + case NL80211_CMD_UNEXPECTED_4ADDR_FRAME: + nl80211_spurious_frame(bss, tb, 1); + break; default: wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event " "(cmd=%d)", gnlh->cmd); @@ -1080,20 +2388,13 @@ static int process_event(struct nl_msg *msg, void *arg) static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx, - void *sock_ctx) + void *handle) { - struct nl_cb *cb; - struct wpa_driver_nl80211_data *drv = eloop_ctx; + struct nl_cb *cb = eloop_ctx; wpa_printf(MSG_DEBUG, "nl80211: Event message available"); - cb = nl_cb_clone(drv->nl_cb); - if (!cb) - return; - nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL); - nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, process_event, drv); - nl_recvmsgs(drv->nl_handle_event, cb); - nl_cb_put(cb); + nl_recvmsgs(handle, cb); } @@ -1121,49 +2422,160 @@ static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg) alpha2[1] = alpha2_arg[1]; alpha2[2] = '\0'; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_REQ_SET_REG, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_REQ_SET_REG); NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2); if (send_and_recv_msgs(drv, msg, NULL, NULL)) return -EINVAL; return 0; nla_put_failure: + nlmsg_free(msg); return -EINVAL; } -#ifndef HOSTAPD struct wiphy_info_data { - int max_scan_ssids; - int ap_supported; - int auth_supported; - int connect_supported; + struct wpa_driver_capa *capa; + + unsigned int error:1; + unsigned int device_ap_sme:1; + unsigned int poll_command_supported:1; + unsigned int data_tx_status:1; + unsigned int monitor_supported:1; }; +static unsigned int probe_resp_offload_support(int supp_protocols) +{ + unsigned int prot = 0; + + if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS) + prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS; + if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2) + prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2; + if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P) + prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P; + if (supp_protocols & NL80211_PROBE_RESP_OFFLOAD_SUPPORT_80211U) + prot |= WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING; + + return prot; +} + + static int wiphy_info_handler(struct nl_msg *msg, void *arg) { struct nlattr *tb[NL80211_ATTR_MAX + 1]; struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); struct wiphy_info_data *info = arg; + int p2p_go_supported = 0, p2p_client_supported = 0; + int p2p_concurrent = 0, p2p_multichan_concurrent = 0; + int auth_supported = 0, connect_supported = 0; + struct wpa_driver_capa *capa = info->capa; + static struct nla_policy + iface_combination_policy[NUM_NL80211_IFACE_COMB] = { + [NL80211_IFACE_COMB_LIMITS] = { .type = NLA_NESTED }, + [NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 }, + [NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG }, + [NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 }, + }, + iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = { + [NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED }, + [NL80211_IFACE_LIMIT_MAX] = { .type = NLA_U32 }, + }; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); if (tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]) - info->max_scan_ssids = + capa->max_scan_ssids = nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCAN_SSIDS]); + if (tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]) + capa->max_sched_scan_ssids = + nla_get_u8(tb[NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS]); + + if (tb[NL80211_ATTR_MAX_MATCH_SETS]) + capa->max_match_sets = + nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]); + if (tb[NL80211_ATTR_SUPPORTED_IFTYPES]) { struct nlattr *nl_mode; int i; nla_for_each_nested(nl_mode, tb[NL80211_ATTR_SUPPORTED_IFTYPES], i) { - if (nl_mode->nla_type == NL80211_IFTYPE_AP) { - info->ap_supported = 1; + switch (nla_type(nl_mode)) { + case NL80211_IFTYPE_AP: + capa->flags |= WPA_DRIVER_FLAGS_AP; + break; + case NL80211_IFTYPE_P2P_GO: + p2p_go_supported = 1; + break; + case NL80211_IFTYPE_P2P_CLIENT: + p2p_client_supported = 1; + break; + case NL80211_IFTYPE_MONITOR: + info->monitor_supported = 1; + break; + } + } + } + + if (tb[NL80211_ATTR_INTERFACE_COMBINATIONS]) { + struct nlattr *nl_combi; + int rem_combi; + + nla_for_each_nested(nl_combi, + tb[NL80211_ATTR_INTERFACE_COMBINATIONS], + rem_combi) { + struct nlattr *tb_comb[NUM_NL80211_IFACE_COMB]; + struct nlattr *tb_limit[NUM_NL80211_IFACE_LIMIT]; + struct nlattr *nl_limit, *nl_mode; + int err, rem_limit, rem_mode; + int combination_has_p2p = 0, combination_has_mgd = 0; + + err = nla_parse_nested(tb_comb, MAX_NL80211_IFACE_COMB, + nl_combi, + iface_combination_policy); + if (err || !tb_comb[NL80211_IFACE_COMB_LIMITS] || + !tb_comb[NL80211_IFACE_COMB_MAXNUM] || + !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) + goto broken_combination; + + nla_for_each_nested(nl_limit, + tb_comb[NL80211_IFACE_COMB_LIMITS], + rem_limit) { + err = nla_parse_nested(tb_limit, + MAX_NL80211_IFACE_LIMIT, + nl_limit, + iface_limit_policy); + if (err || + !tb_limit[NL80211_IFACE_LIMIT_TYPES]) + goto broken_combination; + + nla_for_each_nested( + nl_mode, + tb_limit[NL80211_IFACE_LIMIT_TYPES], + rem_mode) { + int ift = nla_type(nl_mode); + if (ift == NL80211_IFTYPE_P2P_GO || + ift == NL80211_IFTYPE_P2P_CLIENT) + combination_has_p2p = 1; + if (ift == NL80211_IFTYPE_STATION) + combination_has_mgd = 1; + } + if (combination_has_p2p && combination_has_mgd) + break; + } + + if (combination_has_p2p && combination_has_mgd) { + p2p_concurrent = 1; + if (nla_get_u32(tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS]) > 1) + p2p_multichan_concurrent = 1; break; } + +broken_combination: + ; } } @@ -1173,14 +2585,108 @@ static int wiphy_info_handler(struct nl_msg *msg, void *arg) nla_for_each_nested(nl_cmd, tb[NL80211_ATTR_SUPPORTED_COMMANDS], i) { - u32 cmd = nla_get_u32(nl_cmd); - if (cmd == NL80211_CMD_AUTHENTICATE) - info->auth_supported = 1; - else if (cmd == NL80211_CMD_CONNECT) - info->connect_supported = 1; + switch (nla_get_u32(nl_cmd)) { + case NL80211_CMD_AUTHENTICATE: + auth_supported = 1; + break; + case NL80211_CMD_CONNECT: + connect_supported = 1; + break; + case NL80211_CMD_START_SCHED_SCAN: + capa->sched_scan_supported = 1; + break; + case NL80211_CMD_PROBE_CLIENT: + info->poll_command_supported = 1; + break; + } + } + } + + if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK]) { + wpa_printf(MSG_DEBUG, "nl80211: Using driver-based " + "off-channel TX"); + capa->flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX; + } + + if (tb[NL80211_ATTR_ROAM_SUPPORT]) { + wpa_printf(MSG_DEBUG, "nl80211: Using driver-based roaming"); + capa->flags |= WPA_DRIVER_FLAGS_BSS_SELECTION; + } + + /* default to 5000 since early versions of mac80211 don't set it */ + capa->max_remain_on_chan = 5000; + + if (tb[NL80211_ATTR_SUPPORT_AP_UAPSD]) + capa->flags |= WPA_DRIVER_FLAGS_AP_UAPSD; + + if (tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]) + capa->max_remain_on_chan = + nla_get_u32(tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]); + + if (auth_supported) + capa->flags |= WPA_DRIVER_FLAGS_SME; + else if (!connect_supported) { + wpa_printf(MSG_INFO, "nl80211: Driver does not support " + "authentication/association or connect commands"); + info->error = 1; + } + + if (p2p_go_supported && p2p_client_supported) + capa->flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE; + if (p2p_concurrent) { + wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " + "interface (driver advertised support)"); + capa->flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; + capa->flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; + + if (p2p_multichan_concurrent) { + wpa_printf(MSG_DEBUG, "nl80211: Enable multi-channel " + "concurrent (driver advertised support)"); + capa->flags |= + WPA_DRIVER_FLAGS_MULTI_CHANNEL_CONCURRENT; } } + if (tb[NL80211_ATTR_TDLS_SUPPORT]) { + wpa_printf(MSG_DEBUG, "nl80211: TDLS supported"); + capa->flags |= WPA_DRIVER_FLAGS_TDLS_SUPPORT; + + if (tb[NL80211_ATTR_TDLS_EXTERNAL_SETUP]) { + wpa_printf(MSG_DEBUG, "nl80211: TDLS external setup"); + capa->flags |= + WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP; + } + } + + if (tb[NL80211_ATTR_DEVICE_AP_SME]) + info->device_ap_sme = 1; + + if (tb[NL80211_ATTR_FEATURE_FLAGS]) { + u32 flags = nla_get_u32(tb[NL80211_ATTR_FEATURE_FLAGS]); + + if (flags & NL80211_FEATURE_SK_TX_STATUS) + info->data_tx_status = 1; + + if (flags & NL80211_FEATURE_INACTIVITY_TIMER) + capa->flags |= WPA_DRIVER_FLAGS_INACTIVITY_TIMER; + + if (flags & NL80211_FEATURE_SAE) + capa->flags |= WPA_DRIVER_FLAGS_SAE; + + if (flags & NL80211_FEATURE_NEED_OBSS_SCAN) + capa->flags |= WPA_DRIVER_FLAGS_OBSS_SCAN; + } + + if (tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]) { + int protocols = + nla_get_u32(tb[NL80211_ATTR_PROBE_RESP_OFFLOAD]); + wpa_printf(MSG_DEBUG, "nl80211: Supports Probe Response " + "offload in AP mode"); + capa->flags |= WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD; + capa->probe_resp_offloads = + probe_resp_offload_support(protocols); + } + return NL_SKIP; } @@ -1191,12 +2697,13 @@ static int wpa_driver_nl80211_get_info(struct wpa_driver_nl80211_data *drv, struct nl_msg *msg; os_memset(info, 0, sizeof(*info)); + info->capa = &drv->capa; + msg = nlmsg_alloc(); if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_GET_WIPHY, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->first_bss.ifindex); @@ -1214,6 +2721,10 @@ static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv) struct wiphy_info_data info; if (wpa_driver_nl80211_get_info(drv, &info)) return -1; + + if (info.error) + return -1; + drv->has_capability = 1; /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */ drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | @@ -1228,210 +2739,421 @@ static int wpa_driver_nl80211_capa(struct wpa_driver_nl80211_data *drv) WPA_DRIVER_AUTH_SHARED | WPA_DRIVER_AUTH_LEAP; - drv->capa.max_scan_ssids = info.max_scan_ssids; - if (info.ap_supported) - drv->capa.flags |= WPA_DRIVER_FLAGS_AP; + drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES; + drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE; + drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; - if (info.auth_supported) - drv->capa.flags |= WPA_DRIVER_FLAGS_SME; - else if (!info.connect_supported) { - wpa_printf(MSG_INFO, "nl80211: Driver does not support " - "authentication/association or connect commands"); - return -1; + if (!info.device_ap_sme) { + drv->capa.flags |= WPA_DRIVER_FLAGS_DEAUTH_TX_STATUS; + + /* + * No AP SME is currently assumed to also indicate no AP MLME + * in the driver/firmware. + */ + drv->capa.flags |= WPA_DRIVER_FLAGS_AP_MLME; } - drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE; - drv->capa.max_remain_on_chan = 5000; + drv->device_ap_sme = info.device_ap_sme; + drv->poll_command_supported = info.poll_command_supported; + drv->data_tx_status = info.data_tx_status; + + /* + * If poll command and tx status are supported, mac80211 is new enough + * to have everything we need to not need monitor interfaces. + */ + drv->use_monitor = !info.poll_command_supported || !info.data_tx_status; + + if (drv->device_ap_sme && drv->use_monitor) { + /* + * Non-mac80211 drivers may not support monitor interface. + * Make sure we do not get stuck with incorrect capability here + * by explicitly testing this. + */ + if (!info.monitor_supported) { + wpa_printf(MSG_DEBUG, "nl80211: Disable use_monitor " + "with device_ap_sme since no monitor mode " + "support detected"); + drv->use_monitor = 0; + } + } + + /* + * If we aren't going to use monitor interfaces, but the + * driver doesn't support data TX status, we won't get TX + * status for EAPOL frames. + */ + if (!drv->use_monitor && !info.data_tx_status) + drv->capa.flags &= ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; return 0; } -#endif /* HOSTAPD */ -static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv, - void *ctx) +#ifdef ANDROID +static int android_genl_ctrl_resolve(struct nl_handle *handle, + const char *name) { - int ret; - - /* Initialize generic netlink and nl80211 */ + /* + * Android ICS has very minimal genl_ctrl_resolve() implementation, so + * need to work around that. + */ + struct nl_cache *cache = NULL; + struct genl_family *nl80211 = NULL; + int id = -1; - drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); - if (drv->nl_cb == NULL) { - wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " - "callbacks"); - goto err1; + if (genl_ctrl_alloc_cache(handle, &cache) < 0) { + wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic " + "netlink cache"); + goto fail; } - drv->nl_handle = nl_handle_alloc_cb(drv->nl_cb); - if (drv->nl_handle == NULL) { - wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " - "callbacks"); - goto err2; - } + nl80211 = genl_ctrl_search_by_name(cache, name); + if (nl80211 == NULL) + goto fail; - drv->nl_handle_event = nl_handle_alloc_cb(drv->nl_cb); - if (drv->nl_handle_event == NULL) { - wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " - "callbacks (event)"); - goto err2b; - } + id = genl_family_get_id(nl80211); - if (genl_connect(drv->nl_handle)) { - wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic " - "netlink"); - goto err3; - } +fail: + if (nl80211) + genl_family_put(nl80211); + if (cache) + nl_cache_free(cache); - if (genl_connect(drv->nl_handle_event)) { - wpa_printf(MSG_ERROR, "nl80211: Failed to connect to generic " - "netlink (event)"); - goto err3; - } + return id; +} +#define genl_ctrl_resolve android_genl_ctrl_resolve +#endif /* ANDROID */ -#ifdef CONFIG_LIBNL20 - if (genl_ctrl_alloc_cache(drv->nl_handle, &drv->nl_cache) < 0) { - wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic " - "netlink cache"); - goto err3; - } - if (genl_ctrl_alloc_cache(drv->nl_handle_event, &drv->nl_cache_event) < - 0) { - wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic " - "netlink cache (event)"); - goto err3b; - } -#else /* CONFIG_LIBNL20 */ - drv->nl_cache = genl_ctrl_alloc_cache(drv->nl_handle); - if (drv->nl_cache == NULL) { - wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic " - "netlink cache"); - goto err3; - } - drv->nl_cache_event = genl_ctrl_alloc_cache(drv->nl_handle_event); - if (drv->nl_cache_event == NULL) { - wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic " - "netlink cache (event)"); - goto err3b; + +static int wpa_driver_nl80211_init_nl_global(struct nl80211_global *global) +{ + int ret; + + global->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); + if (global->nl_cb == NULL) { + wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink " + "callbacks"); + return -1; } -#endif /* CONFIG_LIBNL20 */ - drv->nl80211 = genl_ctrl_search_by_name(drv->nl_cache, "nl80211"); - if (drv->nl80211 == NULL) { + global->nl = nl_create_handle(global->nl_cb, "nl"); + if (global->nl == NULL) + goto err; + + global->nl80211_id = genl_ctrl_resolve(global->nl, "nl80211"); + if (global->nl80211_id < 0) { wpa_printf(MSG_ERROR, "nl80211: 'nl80211' generic netlink not " "found"); - goto err4; + goto err; } - ret = nl_get_multicast_id(drv, "nl80211", "scan"); + global->nl_event = nl_create_handle(global->nl_cb, "event"); + if (global->nl_event == NULL) + goto err; + + ret = nl_get_multicast_id(global, "nl80211", "scan"); if (ret >= 0) - ret = nl_socket_add_membership(drv->nl_handle_event, ret); + ret = nl_socket_add_membership(global->nl_event, ret); if (ret < 0) { wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " "membership for scan events: %d (%s)", ret, strerror(-ret)); - goto err4; + goto err; } - ret = nl_get_multicast_id(drv, "nl80211", "mlme"); + ret = nl_get_multicast_id(global, "nl80211", "mlme"); if (ret >= 0) - ret = nl_socket_add_membership(drv->nl_handle_event, ret); + ret = nl_socket_add_membership(global->nl_event, ret); if (ret < 0) { wpa_printf(MSG_ERROR, "nl80211: Could not add multicast " "membership for mlme events: %d (%s)", ret, strerror(-ret)); - goto err4; + goto err; + } + + ret = nl_get_multicast_id(global, "nl80211", "regulatory"); + if (ret >= 0) + ret = nl_socket_add_membership(global->nl_event, ret); + if (ret < 0) { + wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast " + "membership for regulatory events: %d (%s)", + ret, strerror(-ret)); + /* Continue without regulatory events */ } - eloop_register_read_sock(nl_socket_get_fd(drv->nl_handle_event), - wpa_driver_nl80211_event_receive, drv, ctx); + nl_cb_set(global->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, + no_seq_check, NULL); + nl_cb_set(global->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, + process_global_event, global); + + eloop_register_read_sock(nl_socket_get_fd(global->nl_event), + wpa_driver_nl80211_event_receive, + global->nl_cb, global->nl_event); return 0; -err4: - nl_cache_free(drv->nl_cache_event); -err3b: - nl_cache_free(drv->nl_cache); -err3: - nl_handle_destroy(drv->nl_handle_event); -err2b: - nl_handle_destroy(drv->nl_handle); -err2: - nl_cb_put(drv->nl_cb); -err1: +err: + nl_destroy_handles(&global->nl_event); + nl_destroy_handles(&global->nl); + nl_cb_put(global->nl_cb); + global->nl_cb = NULL; return -1; } +static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv) +{ + drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); + if (!drv->nl_cb) { + wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct"); + return -1; + } + + nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, + no_seq_check, NULL); + nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, + process_drv_event, drv); + + return 0; +} + + +static void wpa_driver_nl80211_rfkill_blocked(void *ctx) +{ + wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked"); + /* + * This may be for any interface; use ifdown event to disable + * interface. + */ +} + + +static void wpa_driver_nl80211_rfkill_unblocked(void *ctx) +{ + struct wpa_driver_nl80211_data *drv = ctx; + wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked"); + if (linux_set_iface_flags(drv->global->ioctl_sock, + drv->first_bss.ifname, 1)) { + wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP " + "after rfkill unblock"); + return; + } + /* rtnetlink ifup handler will report interface as enabled */ +} + + +static void nl80211_get_phy_name(struct wpa_driver_nl80211_data *drv) +{ + /* Find phy (radio) to which this interface belongs */ + char buf[90], *pos; + int f, rv; + + drv->phyname[0] = '\0'; + snprintf(buf, sizeof(buf) - 1, "/sys/class/net/%s/phy80211/name", + drv->first_bss.ifname); + f = open(buf, O_RDONLY); + if (f < 0) { + wpa_printf(MSG_DEBUG, "Could not open file %s: %s", + buf, strerror(errno)); + return; + } + + rv = read(f, drv->phyname, sizeof(drv->phyname) - 1); + close(f); + if (rv < 0) { + wpa_printf(MSG_DEBUG, "Could not read file %s: %s", + buf, strerror(errno)); + return; + } + + drv->phyname[rv] = '\0'; + pos = os_strchr(drv->phyname, '\n'); + if (pos) + *pos = '\0'; + wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s", + drv->first_bss.ifname, drv->phyname); +} + + +static void wpa_driver_nl80211_handle_eapol_tx_status(int sock, + void *eloop_ctx, + void *handle) +{ + struct wpa_driver_nl80211_data *drv = eloop_ctx; + u8 data[2048]; + struct msghdr msg; + struct iovec entry; + u8 control[512]; + struct cmsghdr *cmsg; + int res, found_ee = 0, found_wifi = 0, acked = 0; + union wpa_event_data event; + + memset(&msg, 0, sizeof(msg)); + msg.msg_iov = &entry; + msg.msg_iovlen = 1; + entry.iov_base = data; + entry.iov_len = sizeof(data); + msg.msg_control = &control; + msg.msg_controllen = sizeof(control); + + res = recvmsg(sock, &msg, MSG_ERRQUEUE); + /* if error or not fitting 802.3 header, return */ + if (res < 14) + return; + + for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) + { + if (cmsg->cmsg_level == SOL_SOCKET && + cmsg->cmsg_type == SCM_WIFI_STATUS) { + int *ack; + + found_wifi = 1; + ack = (void *)CMSG_DATA(cmsg); + acked = *ack; + } + + if (cmsg->cmsg_level == SOL_PACKET && + cmsg->cmsg_type == PACKET_TX_TIMESTAMP) { + struct sock_extended_err *err = + (struct sock_extended_err *)CMSG_DATA(cmsg); + + if (err->ee_origin == SO_EE_ORIGIN_TXSTATUS) + found_ee = 1; + } + } + + if (!found_ee || !found_wifi) + return; + + memset(&event, 0, sizeof(event)); + event.eapol_tx_status.dst = data; + event.eapol_tx_status.data = data + 14; + event.eapol_tx_status.data_len = res - 14; + event.eapol_tx_status.ack = acked; + wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event); +} + + +static int nl80211_init_bss(struct i802_bss *bss) +{ + bss->nl_cb = nl_cb_alloc(NL_CB_DEFAULT); + if (!bss->nl_cb) + return -1; + + nl_cb_set(bss->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, + no_seq_check, NULL); + nl_cb_set(bss->nl_cb, NL_CB_VALID, NL_CB_CUSTOM, + process_bss_event, bss); + + return 0; +} + + +static void nl80211_destroy_bss(struct i802_bss *bss) +{ + nl_cb_put(bss->nl_cb); + bss->nl_cb = NULL; +} + + /** * wpa_driver_nl80211_init - Initialize nl80211 driver interface * @ctx: context to be used when calling wpa_supplicant functions, * e.g., wpa_supplicant_event() * @ifname: interface name, e.g., wlan0 + * @global_priv: private driver global data from global_init() * Returns: Pointer to private data, %NULL on failure */ -static void * wpa_driver_nl80211_init(void *ctx, const char *ifname) +static void * wpa_driver_nl80211_init(void *ctx, const char *ifname, + void *global_priv) { struct wpa_driver_nl80211_data *drv; - struct netlink_config *cfg; + struct rfkill_config *rcfg; struct i802_bss *bss; + if (global_priv == NULL) + return NULL; drv = os_zalloc(sizeof(*drv)); if (drv == NULL) return NULL; + drv->global = global_priv; drv->ctx = ctx; bss = &drv->first_bss; bss->drv = drv; + bss->ctx = ctx; + os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname)); drv->monitor_ifidx = -1; drv->monitor_sock = -1; - drv->ioctl_sock = -1; + drv->eapol_tx_sock = -1; + drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; - if (wpa_driver_nl80211_init_nl(drv, ctx)) { + if (wpa_driver_nl80211_init_nl(drv)) { os_free(drv); return NULL; } - drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); - if (drv->ioctl_sock < 0) { - perror("socket(PF_INET,SOCK_DGRAM)"); + if (nl80211_init_bss(bss)) goto failed; - } - cfg = os_zalloc(sizeof(*cfg)); - if (cfg == NULL) - goto failed; - cfg->ctx = drv; - cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink; - cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink; - drv->netlink = netlink_init(cfg); - if (drv->netlink == NULL) { - os_free(cfg); + nl80211_get_phy_name(drv); + + rcfg = os_zalloc(sizeof(*rcfg)); + if (rcfg == NULL) goto failed; + rcfg->ctx = drv; + os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname)); + rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked; + rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked; + drv->rfkill = rfkill_init(rcfg); + if (drv->rfkill == NULL) { + wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available"); + os_free(rcfg); } + if (wpa_driver_nl80211_finish_drv_init(drv)) goto failed; - return bss; + drv->eapol_tx_sock = socket(PF_PACKET, SOCK_DGRAM, 0); + if (drv->eapol_tx_sock < 0) + goto failed; -failed: - netlink_deinit(drv->netlink); - if (drv->ioctl_sock >= 0) - close(drv->ioctl_sock); + if (drv->data_tx_status) { + int enabled = 1; - genl_family_put(drv->nl80211); - nl_cache_free(drv->nl_cache); - nl_handle_destroy(drv->nl_handle); - nl_cb_put(drv->nl_cb); - eloop_unregister_read_sock(nl_socket_get_fd(drv->nl_handle_event)); + if (setsockopt(drv->eapol_tx_sock, SOL_SOCKET, SO_WIFI_STATUS, + &enabled, sizeof(enabled)) < 0) { + wpa_printf(MSG_DEBUG, + "nl80211: wifi status sockopt failed\n"); + drv->data_tx_status = 0; + if (!drv->use_monitor) + drv->capa.flags &= + ~WPA_DRIVER_FLAGS_EAPOL_TX_STATUS; + } else { + eloop_register_read_sock(drv->eapol_tx_sock, + wpa_driver_nl80211_handle_eapol_tx_status, + drv, NULL); + } + } - os_free(drv); + if (drv->global) { + dl_list_add(&drv->global->interfaces, &drv->list); + drv->in_interface_list = 1; + } + + return bss; + +failed: + wpa_driver_nl80211_deinit(bss); return NULL; } -static int nl80211_register_action_frame(struct wpa_driver_nl80211_data *drv, - const u8 *match, size_t match_len) +static int nl80211_register_frame(struct i802_bss *bss, + struct nl_handle *nl_handle, + u16 type, const u8 *match, size_t match_len) { + struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret = -1; @@ -1439,18 +3161,24 @@ static int nl80211_register_action_frame(struct wpa_driver_nl80211_data *drv, if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_REGISTER_ACTION, 0); + wpa_printf(MSG_DEBUG, "nl80211: Register frame type=0x%x nl_handle=%p", + type, nl_handle); + wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match", + match, match_len); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); + nl80211_cmd(drv, msg, 0, NL80211_CMD_REGISTER_ACTION); + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); + NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type); NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match); - ret = send_and_recv(drv, drv->nl_handle_event, msg, NULL, NULL); + ret = send_and_recv(drv->global, nl_handle, msg, NULL, NULL); msg = NULL; if (ret) { - wpa_printf(MSG_DEBUG, "nl80211: Register Action command " - "failed: ret=%d (%s)", ret, strerror(-ret)); - wpa_hexdump(MSG_DEBUG, "nl80211: Register Action match", + wpa_printf(MSG_DEBUG, "nl80211: Register frame command " + "failed (type=%u): ret=%d (%s)", + type, ret, strerror(-ret)); + wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match", match, match_len); goto nla_put_failure; } @@ -1461,16 +3189,219 @@ nla_put_failure: } -static int nl80211_register_action_frames(struct wpa_driver_nl80211_data *drv) +static int nl80211_alloc_mgmt_handle(struct i802_bss *bss) { + struct wpa_driver_nl80211_data *drv = bss->drv; + + if (bss->nl_mgmt) { + wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting " + "already on! (nl_mgmt=%p)", bss->nl_mgmt); + return -1; + } + + bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt"); + if (bss->nl_mgmt == NULL) + return -1; + + eloop_register_read_sock(nl_socket_get_fd(bss->nl_mgmt), + wpa_driver_nl80211_event_receive, bss->nl_cb, + bss->nl_mgmt); + + return 0; +} + + +static int nl80211_register_action_frame(struct i802_bss *bss, + const u8 *match, size_t match_len) +{ + u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4); + return nl80211_register_frame(bss, bss->nl_mgmt, + type, match, match_len); +} + + +static int nl80211_mgmt_subscribe_non_ap(struct i802_bss *bss) +{ + struct wpa_driver_nl80211_data *drv = bss->drv; + + if (nl80211_alloc_mgmt_handle(bss)) + return -1; + wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with non-AP " + "handle %p", bss->nl_mgmt); + +#if defined(CONFIG_P2P) || defined(CONFIG_INTERWORKING) + /* GAS Initial Request */ + if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0a", 2) < 0) + return -1; + /* GAS Initial Response */ + if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0b", 2) < 0) + return -1; + /* GAS Comeback Request */ + if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0c", 2) < 0) + return -1; + /* GAS Comeback Response */ + if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0d", 2) < 0) + return -1; +#endif /* CONFIG_P2P || CONFIG_INTERWORKING */ +#ifdef CONFIG_P2P + /* P2P Public Action */ + if (nl80211_register_action_frame(bss, + (u8 *) "\x04\x09\x50\x6f\x9a\x09", + 6) < 0) + return -1; + /* P2P Action */ + if (nl80211_register_action_frame(bss, + (u8 *) "\x7f\x50\x6f\x9a\x09", + 5) < 0) + return -1; +#endif /* CONFIG_P2P */ +#ifdef CONFIG_IEEE80211W + /* SA Query Response */ + if (nl80211_register_action_frame(bss, (u8 *) "\x08\x01", 2) < 0) + return -1; +#endif /* CONFIG_IEEE80211W */ +#ifdef CONFIG_TDLS + if ((drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) { + /* TDLS Discovery Response */ + if (nl80211_register_action_frame(bss, (u8 *) "\x04\x0e", 2) < + 0) + return -1; + } +#endif /* CONFIG_TDLS */ + /* FT Action frames */ - if (nl80211_register_action_frame(drv, (u8 *) "\x06", 1) < 0) + if (nl80211_register_action_frame(bss, (u8 *) "\x06", 1) < 0) return -1; else drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_FT | WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK; + /* WNM - BSS Transition Management Request */ + if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x07", 2) < 0) + return -1; + /* WNM-Sleep Mode Response */ + if (nl80211_register_action_frame(bss, (u8 *) "\x0a\x11", 2) < 0) + return -1; + + return 0; +} + + +static int nl80211_register_spurious_class3(struct i802_bss *bss) +{ + struct wpa_driver_nl80211_data *drv = bss->drv; + struct nl_msg *msg; + int ret = -1; + + msg = nlmsg_alloc(); + if (!msg) + return -1; + + nl80211_cmd(drv, msg, 0, NL80211_CMD_UNEXPECTED_FRAME); + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); + + ret = send_and_recv(drv->global, bss->nl_mgmt, msg, NULL, NULL); + msg = NULL; + if (ret) { + wpa_printf(MSG_DEBUG, "nl80211: Register spurious class3 " + "failed: ret=%d (%s)", + ret, strerror(-ret)); + goto nla_put_failure; + } + ret = 0; +nla_put_failure: + nlmsg_free(msg); + return ret; +} + + +static int nl80211_mgmt_subscribe_ap(struct i802_bss *bss) +{ + static const int stypes[] = { + WLAN_FC_STYPE_AUTH, + WLAN_FC_STYPE_ASSOC_REQ, + WLAN_FC_STYPE_REASSOC_REQ, + WLAN_FC_STYPE_DISASSOC, + WLAN_FC_STYPE_DEAUTH, + WLAN_FC_STYPE_ACTION, + WLAN_FC_STYPE_PROBE_REQ, +/* Beacon doesn't work as mac80211 doesn't currently allow + * it, but it wouldn't really be the right thing anyway as + * it isn't per interface ... maybe just dump the scan + * results periodically for OLBC? + */ +// WLAN_FC_STYPE_BEACON, + }; + unsigned int i; + + if (nl80211_alloc_mgmt_handle(bss)) + return -1; + wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " + "handle %p", bss->nl_mgmt); + + for (i = 0; i < sizeof(stypes) / sizeof(stypes[0]); i++) { + if (nl80211_register_frame(bss, bss->nl_mgmt, + (WLAN_FC_TYPE_MGMT << 2) | + (stypes[i] << 4), + NULL, 0) < 0) { + goto out_err; + } + } + + if (nl80211_register_spurious_class3(bss)) + goto out_err; + + if (nl80211_get_wiphy_data_ap(bss) == NULL) + goto out_err; + + return 0; + +out_err: + eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt)); + nl_destroy_handles(&bss->nl_mgmt); + return -1; +} + + +static int nl80211_mgmt_subscribe_ap_dev_sme(struct i802_bss *bss) +{ + if (nl80211_alloc_mgmt_handle(bss)) + return -1; + wpa_printf(MSG_DEBUG, "nl80211: Subscribe to mgmt frames with AP " + "handle %p (device SME)", bss->nl_mgmt); + + if (nl80211_register_frame(bss, bss->nl_mgmt, + (WLAN_FC_TYPE_MGMT << 2) | + (WLAN_FC_STYPE_ACTION << 4), + NULL, 0) < 0) + goto out_err; + return 0; + +out_err: + eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt)); + nl_destroy_handles(&bss->nl_mgmt); + return -1; +} + + +static void nl80211_mgmt_unsubscribe(struct i802_bss *bss, const char *reason) +{ + if (bss->nl_mgmt == NULL) + return; + wpa_printf(MSG_DEBUG, "nl80211: Unsubscribe mgmt frames handle %p " + "(%s)", bss->nl_mgmt, reason); + eloop_unregister_read_sock(nl_socket_get_fd(bss->nl_mgmt)); + nl_destroy_handles(&bss->nl_mgmt); + + nl80211_put_wiphy_data_ap(bss); +} + + +static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx) +{ + wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL); } @@ -1478,37 +3409,52 @@ static int wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv) { struct i802_bss *bss = &drv->first_bss; + int send_rfkill_event = 0; drv->ifindex = if_nametoindex(bss->ifname); drv->first_bss.ifindex = drv->ifindex; #ifndef HOSTAPD - if (wpa_driver_nl80211_set_mode(bss, IEEE80211_MODE_INFRA) < 0) { - wpa_printf(MSG_DEBUG, "nl80211: Could not configure driver to " + /* + * Make sure the interface starts up in station mode unless this is a + * dynamically added interface (e.g., P2P) that was already configured + * with proper iftype. + */ + if (drv->ifindex != drv->global->if_add_ifindex && + wpa_driver_nl80211_set_mode(bss, NL80211_IFTYPE_STATION) < 0) { + wpa_printf(MSG_ERROR, "nl80211: Could not configure driver to " "use managed mode"); + return -1; } - if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1)) { - wpa_printf(MSG_ERROR, "Could not set interface '%s' UP", - bss->ifname); - return -1; + if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1)) { + if (rfkill_is_blocked(drv->rfkill)) { + wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable " + "interface '%s' due to rfkill", + bss->ifname); + drv->if_disabled = 1; + send_rfkill_event = 1; + } else { + wpa_printf(MSG_ERROR, "nl80211: Could not set " + "interface '%s' UP", bss->ifname); + return -1; + } } + netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, + 1, IF_OPER_DORMANT); +#endif /* HOSTAPD */ + if (wpa_driver_nl80211_capa(drv)) return -1; - netlink_send_oper_ifla(drv->netlink, drv->ifindex, - 1, IF_OPER_DORMANT); -#endif /* HOSTAPD */ + if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, + bss->addr)) + return -1; - if (nl80211_register_action_frames(drv) < 0) { - wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action " - "frame processing - ignore for now"); - /* - * Older kernel versions did not support this, so ignore the - * error for now. Some functionality may not be available - * because of this. - */ + if (send_rfkill_event) { + eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill, + drv, drv->ctx); } return 0; @@ -1523,12 +3469,12 @@ static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv) if (!msg) return -ENOMEM; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_DEL_BEACON, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_BEACON); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); return send_and_recv_msgs(drv, msg, NULL, NULL); nla_put_failure: + nlmsg_free(msg); return -ENOBUFS; } @@ -1545,23 +3491,31 @@ static void wpa_driver_nl80211_deinit(void *priv) struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; - if (drv->added_if_into_bridge) { - if (linux_br_del_if(drv->ioctl_sock, drv->brname, bss->ifname) - < 0) + bss->in_deinit = 1; + if (drv->data_tx_status) + eloop_unregister_read_sock(drv->eapol_tx_sock); + if (drv->eapol_tx_sock >= 0) + close(drv->eapol_tx_sock); + + if (bss->nl_preq) + wpa_driver_nl80211_probe_req_report(bss, 0); + if (bss->added_if_into_bridge) { + if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, + bss->ifname) < 0) wpa_printf(MSG_INFO, "nl80211: Failed to remove " "interface %s from bridge %s: %s", - bss->ifname, drv->brname, strerror(errno)); + bss->ifname, bss->brname, strerror(errno)); } - if (drv->added_bridge) { - if (linux_br_del(drv->ioctl_sock, drv->brname) < 0) + if (bss->added_bridge) { + if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) wpa_printf(MSG_INFO, "nl80211: Failed to remove " "bridge %s: %s", - drv->brname, strerror(errno)); + bss->brname, strerror(errno)); } nl80211_remove_monitor_interface(drv); - if (drv->nlmode == NL80211_IFTYPE_AP) + if (is_ap_interface(drv->nlmode)) wpa_driver_nl80211_del_beacon(drv); #ifdef HOSTAPD @@ -1582,33 +3536,30 @@ static void wpa_driver_nl80211_deinit(void *priv) os_free(drv->if_indices); #endif /* HOSTAPD */ - if (drv->disable_11b_rates) + if (drv->disabled_11b_rates) nl80211_disable_11b_rates(drv, drv->ifindex, 0); - netlink_send_oper_ifla(drv->netlink, drv->ifindex, 0, IF_OPER_UP); - netlink_deinit(drv->netlink); + netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, 0, + IF_OPER_UP); + rfkill_deinit(drv->rfkill); eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); - (void) linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0); - wpa_driver_nl80211_set_mode(bss, IEEE80211_MODE_INFRA); - - if (drv->ioctl_sock >= 0) - close(drv->ioctl_sock); + (void) linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0); + wpa_driver_nl80211_set_mode(bss, NL80211_IFTYPE_STATION); + nl80211_mgmt_unsubscribe(bss, "deinit"); - eloop_unregister_read_sock(nl_socket_get_fd(drv->nl_handle_event)); - genl_family_put(drv->nl80211); - nl_cache_free(drv->nl_cache); - nl_cache_free(drv->nl_cache_event); - nl_handle_destroy(drv->nl_handle); - nl_handle_destroy(drv->nl_handle_event); nl_cb_put(drv->nl_cb); - eloop_cancel_timeout(wpa_driver_nl80211_probe_req_report_timeout, - drv, NULL); + nl80211_destroy_bss(&drv->first_bss); os_free(drv->filter_ssids); + os_free(drv->auth_ie); + + if (drv->in_interface_list) + dl_list_del(&drv->list); + os_free(drv); } @@ -1624,75 +3575,133 @@ static void wpa_driver_nl80211_deinit(void *priv) static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx) { struct wpa_driver_nl80211_data *drv = eloop_ctx; - if (drv->ap_scan_as_station) { + if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED) { wpa_driver_nl80211_set_mode(&drv->first_bss, - IEEE80211_MODE_AP); - drv->ap_scan_as_station = 0; + drv->ap_scan_as_station); + drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED; } wpa_printf(MSG_DEBUG, "Scan timeout - try to get results"); wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL); } -/** - * wpa_driver_nl80211_scan - Request the driver to initiate scan - * @priv: Pointer to private driver data from wpa_driver_nl80211_init() - * @params: Scan parameters - * Returns: 0 on success, -1 on failure - */ -static int wpa_driver_nl80211_scan(void *priv, - struct wpa_driver_scan_params *params) +static struct nl_msg * +nl80211_scan_common(struct wpa_driver_nl80211_data *drv, u8 cmd, + struct wpa_driver_scan_params *params) { - struct i802_bss *bss = priv; - struct wpa_driver_nl80211_data *drv = bss->drv; - int ret = 0, timeout; - struct nl_msg *msg, *ssids, *freqs; + struct nl_msg *msg; + int err; size_t i; msg = nlmsg_alloc(); - ssids = nlmsg_alloc(); - freqs = nlmsg_alloc(); - if (!msg || !ssids || !freqs) { - nlmsg_free(msg); - nlmsg_free(ssids); - nlmsg_free(freqs); - return -1; - } - - os_free(drv->filter_ssids); - drv->filter_ssids = params->filter_ssids; - params->filter_ssids = NULL; - drv->num_filter_ssids = params->num_filter_ssids; + if (!msg) + return NULL; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_TRIGGER_SCAN, 0); + nl80211_cmd(drv, msg, 0, cmd); - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); + if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, drv->ifindex) < 0) + goto fail; - for (i = 0; i < params->num_ssids; i++) { - wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID", - params->ssids[i].ssid, - params->ssids[i].ssid_len); - NLA_PUT(ssids, i + 1, params->ssids[i].ssid_len, - params->ssids[i].ssid); + if (params->num_ssids) { + struct nl_msg *ssids = nlmsg_alloc(); + if (ssids == NULL) + goto fail; + for (i = 0; i < params->num_ssids; i++) { + wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan SSID", + params->ssids[i].ssid, + params->ssids[i].ssid_len); + if (nla_put(ssids, i + 1, params->ssids[i].ssid_len, + params->ssids[i].ssid) < 0) { + nlmsg_free(ssids); + goto fail; + } + } + err = nla_put_nested(msg, NL80211_ATTR_SCAN_SSIDS, ssids); + nlmsg_free(ssids); + if (err < 0) + goto fail; } - if (params->num_ssids) - nla_put_nested(msg, NL80211_ATTR_SCAN_SSIDS, ssids); if (params->extra_ies) { - wpa_hexdump_ascii(MSG_MSGDUMP, "nl80211: Scan extra IEs", - params->extra_ies, params->extra_ies_len); - NLA_PUT(msg, NL80211_ATTR_IE, params->extra_ies_len, - params->extra_ies); + wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs", + params->extra_ies, params->extra_ies_len); + if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len, + params->extra_ies) < 0) + goto fail; } if (params->freqs) { + struct nl_msg *freqs = nlmsg_alloc(); + if (freqs == NULL) + goto fail; for (i = 0; params->freqs[i]; i++) { wpa_printf(MSG_MSGDUMP, "nl80211: Scan frequency %u " "MHz", params->freqs[i]); - NLA_PUT_U32(freqs, i + 1, params->freqs[i]); + if (nla_put_u32(freqs, i + 1, params->freqs[i]) < 0) { + nlmsg_free(freqs); + goto fail; + } } - nla_put_nested(msg, NL80211_ATTR_SCAN_FREQUENCIES, freqs); + err = nla_put_nested(msg, NL80211_ATTR_SCAN_FREQUENCIES, + freqs); + nlmsg_free(freqs); + if (err < 0) + goto fail; + } + + os_free(drv->filter_ssids); + drv->filter_ssids = params->filter_ssids; + params->filter_ssids = NULL; + drv->num_filter_ssids = params->num_filter_ssids; + + return msg; + +fail: + nlmsg_free(msg); + return NULL; +} + + +/** + * wpa_driver_nl80211_scan - Request the driver to initiate scan + * @priv: Pointer to private driver data from wpa_driver_nl80211_init() + * @params: Scan parameters + * Returns: 0 on success, -1 on failure + */ +static int wpa_driver_nl80211_scan(void *priv, + struct wpa_driver_scan_params *params) +{ + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + int ret = -1, timeout; + struct nl_msg *msg, *rates = NULL; + + drv->scan_for_auth = 0; + + msg = nl80211_scan_common(drv, NL80211_CMD_TRIGGER_SCAN, params); + if (!msg) + return -1; + + if (params->p2p_probe) { + wpa_printf(MSG_DEBUG, "nl80211: P2P probe - mask SuppRates"); + + rates = nlmsg_alloc(); + if (rates == NULL) + goto nla_put_failure; + + /* + * Remove 2.4 GHz rates 1, 2, 5.5, 11 Mbps from supported rates + * by masking out everything else apart from the OFDM rates 6, + * 9, 12, 18, 24, 36, 48, 54 Mbps from non-MCS rates. All 5 GHz + * rates are left enabled. + */ + NLA_PUT(rates, NL80211_BAND_2GHZ, 8, + "\x0c\x12\x18\x24\x30\x48\x60\x6c"); + if (nla_put_nested(msg, NL80211_ATTR_SCAN_SUPP_RATES, rates) < + 0) + goto nla_put_failure; + + NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE); } ret = send_and_recv_msgs(drv, msg, NULL, NULL); @@ -1701,23 +3710,22 @@ static int wpa_driver_nl80211_scan(void *priv, wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d " "(%s)", ret, strerror(-ret)); #ifdef HOSTAPD - if (drv->nlmode == NL80211_IFTYPE_AP) { + if (is_ap_interface(drv->nlmode)) { /* * mac80211 does not allow scan requests in AP mode, so * try to do this in station mode. */ - if (wpa_driver_nl80211_set_mode(bss, - IEEE80211_MODE_INFRA)) + if (wpa_driver_nl80211_set_mode( + bss, NL80211_IFTYPE_STATION)) goto nla_put_failure; if (wpa_driver_nl80211_scan(drv, params)) { - wpa_driver_nl80211_set_mode(bss, - IEEE80211_MODE_AP); + wpa_driver_nl80211_set_mode(bss, drv->nlmode); goto nla_put_failure; } /* Restore AP mode when processing scan results */ - drv->ap_scan_as_station = 1; + drv->ap_scan_as_station = drv->nlmode; ret = 0; } else goto nla_put_failure; @@ -1744,9 +3752,147 @@ static int wpa_driver_nl80211_scan(void *priv, drv, drv->ctx); nla_put_failure: - nlmsg_free(ssids); nlmsg_free(msg); - nlmsg_free(freqs); + nlmsg_free(rates); + return ret; +} + + +/** + * wpa_driver_nl80211_sched_scan - Initiate a scheduled scan + * @priv: Pointer to private driver data from wpa_driver_nl80211_init() + * @params: Scan parameters + * @interval: Interval between scan cycles in milliseconds + * Returns: 0 on success, -1 on failure or if not supported + */ +static int wpa_driver_nl80211_sched_scan(void *priv, + struct wpa_driver_scan_params *params, + u32 interval) +{ + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + int ret = -1; + struct nl_msg *msg; + struct nl_msg *match_set_ssid = NULL, *match_sets = NULL; + struct nl_msg *match_set_rssi = NULL; + size_t i; + +#ifdef ANDROID + if (!drv->capa.sched_scan_supported) + return android_pno_start(bss, params); +#endif /* ANDROID */ + + msg = nl80211_scan_common(drv, NL80211_CMD_START_SCHED_SCAN, params); + if (!msg) + goto nla_put_failure; + + NLA_PUT_U32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, interval); + + if ((drv->num_filter_ssids && + (int) drv->num_filter_ssids <= drv->capa.max_match_sets) || + params->filter_rssi) { + match_sets = nlmsg_alloc(); + if (match_sets == NULL) + goto nla_put_failure; + + for (i = 0; i < drv->num_filter_ssids; i++) { + wpa_hexdump_ascii(MSG_MSGDUMP, + "nl80211: Sched scan filter SSID", + drv->filter_ssids[i].ssid, + drv->filter_ssids[i].ssid_len); + + match_set_ssid = nlmsg_alloc(); + if (match_set_ssid == NULL) + goto nla_put_failure; + NLA_PUT(match_set_ssid, + NL80211_ATTR_SCHED_SCAN_MATCH_SSID, + drv->filter_ssids[i].ssid_len, + drv->filter_ssids[i].ssid); + + if (nla_put_nested(match_sets, i + 1, match_set_ssid) < + 0) + goto nla_put_failure; + } + + if (params->filter_rssi) { + match_set_rssi = nlmsg_alloc(); + if (match_set_rssi == NULL) + goto nla_put_failure; + NLA_PUT_U32(match_set_rssi, + NL80211_SCHED_SCAN_MATCH_ATTR_RSSI, + params->filter_rssi); + wpa_printf(MSG_MSGDUMP, + "nl80211: Sched scan RSSI filter %d dBm", + params->filter_rssi); + if (nla_put_nested(match_sets, 0, match_set_rssi) < 0) + goto nla_put_failure; + } + + if (nla_put_nested(msg, NL80211_ATTR_SCHED_SCAN_MATCH, + match_sets) < 0) + goto nla_put_failure; + } + + ret = send_and_recv_msgs(drv, msg, NULL, NULL); + + /* TODO: if we get an error here, we should fall back to normal scan */ + + msg = NULL; + if (ret) { + wpa_printf(MSG_DEBUG, "nl80211: Sched scan start failed: " + "ret=%d (%s)", ret, strerror(-ret)); + goto nla_put_failure; + } + + wpa_printf(MSG_DEBUG, "nl80211: Sched scan requested (ret=%d) - " + "scan interval %d msec", ret, interval); + +nla_put_failure: + nlmsg_free(match_set_ssid); + nlmsg_free(match_sets); + nlmsg_free(match_set_rssi); + nlmsg_free(msg); + return ret; +} + + +/** + * wpa_driver_nl80211_stop_sched_scan - Stop a scheduled scan + * @priv: Pointer to private driver data from wpa_driver_nl80211_init() + * Returns: 0 on success, -1 on failure or if not supported + */ +static int wpa_driver_nl80211_stop_sched_scan(void *priv) +{ + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + int ret = 0; + struct nl_msg *msg; + +#ifdef ANDROID + if (!drv->capa.sched_scan_supported) + return android_pno_stop(bss); +#endif /* ANDROID */ + + msg = nlmsg_alloc(); + if (!msg) + return -1; + + nl80211_cmd(drv, msg, 0, NL80211_CMD_STOP_SCHED_SCAN); + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); + + ret = send_and_recv_msgs(drv, msg, NULL, NULL); + msg = NULL; + if (ret) { + wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop failed: " + "ret=%d (%s)", ret, strerror(-ret)); + goto nla_put_failure; + } + + wpa_printf(MSG_DEBUG, "nl80211: Sched scan stop sent (ret=%d)", ret); + +nla_put_failure: + nlmsg_free(msg); return ret; } @@ -1797,11 +3943,6 @@ static int nl80211_scan_filtered(struct wpa_driver_nl80211_data *drv, } -struct nl80211_bss_info_arg { - struct wpa_driver_nl80211_data *drv; - struct wpa_scan_results *res; -}; - static int bss_info_handler(struct nl_msg *msg, void *arg) { struct nlattr *tb[NL80211_ATTR_MAX + 1]; @@ -1827,6 +3968,7 @@ static int bss_info_handler(struct nl_msg *msg, void *arg) const u8 *ie, *beacon_ie; size_t ie_len, beacon_ie_len; u8 *pos; + size_t i; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL); @@ -1835,6 +3977,26 @@ static int bss_info_handler(struct nl_msg *msg, void *arg) if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS], bss_policy)) return NL_SKIP; + if (bss[NL80211_BSS_STATUS]) { + enum nl80211_bss_status status; + status = nla_get_u32(bss[NL80211_BSS_STATUS]); + if (status == NL80211_BSS_STATUS_ASSOCIATED && + bss[NL80211_BSS_FREQUENCY]) { + _arg->assoc_freq = + nla_get_u32(bss[NL80211_BSS_FREQUENCY]); + wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz", + _arg->assoc_freq); + } + if (status == NL80211_BSS_STATUS_ASSOCIATED && + bss[NL80211_BSS_BSSID]) { + os_memcpy(_arg->assoc_bssid, + nla_data(bss[NL80211_BSS_BSSID]), ETH_ALEN); + wpa_printf(MSG_DEBUG, "nl80211: Associated with " + MACSTR, MAC2STR(_arg->assoc_bssid)); + } + } + if (!res) + return NL_SKIP; if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) { ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]); ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]); @@ -1873,7 +4035,7 @@ static int bss_info_handler(struct nl_msg *msg, void *arg) r->flags |= WPA_SCAN_LEVEL_DBM | WPA_SCAN_QUAL_INVALID; } else if (bss[NL80211_BSS_SIGNAL_UNSPEC]) { r->level = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]); - r->flags |= WPA_SCAN_LEVEL_INVALID; + r->flags |= WPA_SCAN_QUAL_INVALID; } else r->flags |= WPA_SCAN_LEVEL_INVALID | WPA_SCAN_QUAL_INVALID; if (bss[NL80211_BSS_TSF]) @@ -1905,8 +4067,40 @@ static int bss_info_handler(struct nl_msg *msg, void *arg) } } - tmp = os_realloc(res->res, - (res->num + 1) * sizeof(struct wpa_scan_res *)); + /* + * cfg80211 maintains separate BSS table entries for APs if the same + * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does + * not use frequency as a separate key in the BSS table, so filter out + * duplicated entries. Prefer associated BSS entry in such a case in + * order to get the correct frequency into the BSS table. + */ + for (i = 0; i < res->num; i++) { + const u8 *s1, *s2; + if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0) + continue; + + s1 = nl80211_get_ie((u8 *) (res->res[i] + 1), + res->res[i]->ie_len, WLAN_EID_SSID); + s2 = nl80211_get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID); + if (s1 == NULL || s2 == NULL || s1[1] != s2[1] || + os_memcmp(s1, s2, 2 + s1[1]) != 0) + continue; + + /* Same BSSID,SSID was already included in scan results */ + wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result " + "for " MACSTR, MAC2STR(r->bssid)); + + if ((r->flags & WPA_SCAN_ASSOCIATED) && + !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) { + os_free(res->res[i]); + res->res[i] = r; + } else + os_free(r); + return NL_SKIP; + } + + tmp = os_realloc_array(res->res, res->num + 1, + sizeof(struct wpa_scan_res *)); if (tmp == NULL) { os_free(r); return NL_SKIP; @@ -1943,7 +4137,7 @@ static void wpa_driver_nl80211_check_bss_status( "indicates BSS status with " MACSTR " as authenticated", MAC2STR(r->bssid)); - if (drv->nlmode == NL80211_IFTYPE_STATION && + if (is_sta_interface(drv->nlmode) && os_memcmp(r->bssid, drv->bssid, ETH_ALEN) != 0 && os_memcmp(r->bssid, drv->auth_bssid, ETH_ALEN) != 0) { @@ -1961,13 +4155,13 @@ static void wpa_driver_nl80211_check_bss_status( "indicate BSS status with " MACSTR " as associated", MAC2STR(r->bssid)); - if (drv->nlmode == NL80211_IFTYPE_STATION && + if (is_sta_interface(drv->nlmode) && !drv->associated) { wpa_printf(MSG_DEBUG, "nl80211: Local state " "(not associated) does not match " "with BSS state"); clear_state_mismatch(drv, r->bssid); - } else if (drv->nlmode == NL80211_IFTYPE_STATION && + } else if (is_sta_interface(drv->nlmode) && os_memcmp(drv->bssid, r->bssid, ETH_ALEN) != 0) { wpa_printf(MSG_DEBUG, "nl80211: Local state " @@ -1982,20 +4176,6 @@ static void wpa_driver_nl80211_check_bss_status( } -static void wpa_scan_results_free(struct wpa_scan_results *res) -{ - size_t i; - - if (res == NULL) - return; - - for (i = 0; i < res->num; i++) - os_free(res->res[i]); - os_free(res->res); - os_free(res); -} - - static struct wpa_scan_results * nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv) { @@ -2011,8 +4191,7 @@ nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv) if (!msg) goto nla_put_failure; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, NLM_F_DUMP, - NL80211_CMD_GET_SCAN, 0); + nl80211_cmd(drv, msg, NLM_F_DUMP, NL80211_CMD_GET_SCAN); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); arg.drv = drv; @@ -2020,8 +4199,9 @@ nl80211_get_scan_results(struct wpa_driver_nl80211_data *drv) ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg); msg = NULL; if (ret == 0) { - wpa_printf(MSG_DEBUG, "Received scan results (%lu BSSes)", - (unsigned long) res->num); + wpa_printf(MSG_DEBUG, "nl80211: Received scan results (%lu " + "BSSes)", (unsigned long) res->num); + nl80211_get_noise_for_scan_results(drv, res); return res; } wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d " @@ -2092,17 +4272,19 @@ static int wpa_driver_nl80211_set_key(const char *ifname, void *priv, "set_tx=%d seq_len=%lu key_len=%lu", __func__, ifindex, alg, addr, key_idx, set_tx, (unsigned long) seq_len, (unsigned long) key_len); +#ifdef CONFIG_TDLS + if (key_idx == -1) + key_idx = 0; +#endif /* CONFIG_TDLS */ msg = nlmsg_alloc(); if (!msg) return -ENOMEM; if (alg == WPA_ALG_NONE) { - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_DEL_KEY, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_KEY); } else { - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_NEW_KEY, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_KEY); NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key); switch (alg) { case WPA_ALG_WEP: @@ -2121,10 +4303,22 @@ static int wpa_driver_nl80211_set_key(const char *ifname, void *priv, NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, WLAN_CIPHER_SUITE_CCMP); break; + case WPA_ALG_GCMP: + NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, + WLAN_CIPHER_SUITE_GCMP); + break; case WPA_ALG_IGTK: NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, WLAN_CIPHER_SUITE_AES_CMAC); break; + case WPA_ALG_SMS4: + NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, + WLAN_CIPHER_SUITE_SMS4); + break; + case WPA_ALG_KRK: + NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, + WLAN_CIPHER_SUITE_KRK); + break; default: wpa_printf(MSG_ERROR, "%s: Unsupported encryption " "algorithm %d", __func__, alg); @@ -2136,10 +4330,28 @@ static int wpa_driver_nl80211_set_key(const char *ifname, void *priv, if (seq && seq_len) NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq); - if (addr && os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0) - { + if (addr && !is_broadcast_ether_addr(addr)) { wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr)); NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); + + if (alg != WPA_ALG_WEP && key_idx && !set_tx) { + wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK"); + NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE, + NL80211_KEYTYPE_GROUP); + } + } else if (addr && is_broadcast_ether_addr(addr)) { + struct nl_msg *types; + int err; + wpa_printf(MSG_DEBUG, " broadcast key"); + types = nlmsg_alloc(); + if (!types) + goto nla_put_failure; + NLA_PUT_FLAG(types, NL80211_KEY_DEFAULT_TYPE_MULTICAST); + err = nla_put_nested(msg, NL80211_ATTR_KEY_DEFAULT_TYPES, + types); + nlmsg_free(types); + if (err) + goto nla_put_failure; } NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); @@ -2157,26 +4369,46 @@ static int wpa_driver_nl80211_set_key(const char *ifname, void *priv, */ if (ret || !set_tx || alg == WPA_ALG_NONE) return ret; -#ifdef HOSTAPD - if (addr) - return ret; -#else /* HOSTAPD */ - if (drv->nlmode == NL80211_IFTYPE_AP && addr) + if (is_ap_interface(drv->nlmode) && addr && + !is_broadcast_ether_addr(addr)) return ret; -#endif /* HOSTAPD */ msg = nlmsg_alloc(); if (!msg) return -ENOMEM; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_SET_KEY, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_KEY); NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); if (alg == WPA_ALG_IGTK) NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT); else NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT); + if (addr && is_broadcast_ether_addr(addr)) { + struct nl_msg *types; + int err; + types = nlmsg_alloc(); + if (!types) + goto nla_put_failure; + NLA_PUT_FLAG(types, NL80211_KEY_DEFAULT_TYPE_MULTICAST); + err = nla_put_nested(msg, NL80211_ATTR_KEY_DEFAULT_TYPES, + types); + nlmsg_free(types); + if (err) + goto nla_put_failure; + } else if (addr) { + struct nl_msg *types; + int err; + types = nlmsg_alloc(); + if (!types) + goto nla_put_failure; + NLA_PUT_FLAG(types, NL80211_KEY_DEFAULT_TYPE_UNICAST); + err = nla_put_nested(msg, NL80211_ATTR_KEY_DEFAULT_TYPES, + types); + nlmsg_free(types); + if (err) + goto nla_put_failure; + } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret == -ENOENT) @@ -2187,6 +4419,7 @@ static int wpa_driver_nl80211_set_key(const char *ifname, void *priv, return ret; nla_put_failure: + nlmsg_free(msg); return -ENOBUFS; } @@ -2222,6 +4455,9 @@ static int nl_add_key(struct nl_msg *msg, enum wpa_alg alg, case WPA_ALG_CCMP: NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_CCMP); break; + case WPA_ALG_GCMP: + NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_GCMP); + break; case WPA_ALG_IGTK: NLA_PUT_U32(msg, NL80211_KEY_CIPHER, WLAN_CIPHER_SUITE_AES_CMAC); @@ -2257,6 +4493,12 @@ static int nl80211_set_conn_keys(struct wpa_driver_associate_params *params, privacy = 1; break; } + if (params->wps == WPS_MODE_PRIVACY) + privacy = 1; + if (params->pairwise_suite && + params->pairwise_suite != WPA_CIPHER_NONE) + privacy = 1; + if (!privacy) return 0; @@ -2310,19 +4552,21 @@ static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv, if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, cmd, 0); + nl80211_cmd(drv, msg, 0, cmd); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); NLA_PUT_U16(msg, NL80211_ATTR_REASON_CODE, reason_code); - NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); + if (addr) + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); if (local_state_change) NLA_PUT_FLAG(msg, NL80211_ATTR_LOCAL_STATE_CHANGE); ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; if (ret) { - wpa_printf(MSG_DEBUG, "nl80211: MLME command failed: ret=%d " - "(%s)", ret, strerror(-ret)); + wpa_dbg(drv->ctx, MSG_DEBUG, + "nl80211: MLME command failed: reason=%u ret=%d (%s)", + reason_code, ret, strerror(-ret)); goto nla_put_failure; } ret = 0; @@ -2334,11 +4578,13 @@ nla_put_failure: static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv, - const u8 *addr, int reason_code) + int reason_code) { - wpa_printf(MSG_DEBUG, "%s", __func__); + wpa_printf(MSG_DEBUG, "%s(reason_code=%d)", __func__, reason_code); drv->associated = 0; - return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DISCONNECT, + drv->ignore_next_local_disconnect = 0; + /* Disconnect command doesn't need BSSID - it uses cached value */ + return wpa_driver_nl80211_mlme(drv, NULL, NL80211_CMD_DISCONNECT, reason_code, 0); } @@ -2349,25 +4595,60 @@ static int wpa_driver_nl80211_deauthenticate(void *priv, const u8 *addr, struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) - return wpa_driver_nl80211_disconnect(drv, addr, reason_code); - wpa_printf(MSG_DEBUG, "%s", __func__); + return wpa_driver_nl80211_disconnect(drv, reason_code); + wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)", + __func__, MAC2STR(addr), reason_code); drv->associated = 0; + if (drv->nlmode == NL80211_IFTYPE_ADHOC) + return nl80211_leave_ibss(drv); return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE, reason_code, 0); } -static int wpa_driver_nl80211_disassociate(void *priv, const u8 *addr, - int reason_code) +static void nl80211_copy_auth_params(struct wpa_driver_nl80211_data *drv, + struct wpa_driver_auth_params *params) { - struct i802_bss *bss = priv; - struct wpa_driver_nl80211_data *drv = bss->drv; - if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) - return wpa_driver_nl80211_disconnect(drv, addr, reason_code); - wpa_printf(MSG_DEBUG, "%s", __func__); - drv->associated = 0; - return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DISASSOCIATE, - reason_code, 0); + int i; + + drv->auth_freq = params->freq; + drv->auth_alg = params->auth_alg; + drv->auth_wep_tx_keyidx = params->wep_tx_keyidx; + drv->auth_local_state_change = params->local_state_change; + drv->auth_p2p = params->p2p; + + if (params->bssid) + os_memcpy(drv->auth_bssid_, params->bssid, ETH_ALEN); + else + os_memset(drv->auth_bssid_, 0, ETH_ALEN); + + if (params->ssid) { + os_memcpy(drv->auth_ssid, params->ssid, params->ssid_len); + drv->auth_ssid_len = params->ssid_len; + } else + drv->auth_ssid_len = 0; + + + os_free(drv->auth_ie); + drv->auth_ie = NULL; + drv->auth_ie_len = 0; + if (params->ie) { + drv->auth_ie = os_malloc(params->ie_len); + if (drv->auth_ie) { + os_memcpy(drv->auth_ie, params->ie, params->ie_len); + drv->auth_ie_len = params->ie_len; + } + } + + for (i = 0; i < 4; i++) { + if (params->wep_key[i] && params->wep_key_len[i] && + params->wep_key_len[i] <= 16) { + os_memcpy(drv->auth_wep_key[i], params->wep_key[i], + params->wep_key_len[i]); + drv->auth_wep_key_len[i] = params->wep_key_len[i]; + } else + drv->auth_wep_key_len[i] = 0; + } } @@ -2379,15 +4660,20 @@ static int wpa_driver_nl80211_authenticate( int ret = -1, i; struct nl_msg *msg; enum nl80211_auth_type type; + enum nl80211_iftype nlmode; int count = 0; + int is_retry; + + is_retry = drv->retry_auth; + drv->retry_auth = 0; drv->associated = 0; os_memset(drv->auth_bssid, 0, ETH_ALEN); /* FIX: IBSS mode */ - if (drv->nlmode != NL80211_IFTYPE_STATION) - wpa_driver_nl80211_set_mode(priv, IEEE80211_MODE_INFRA); - - if (wpa_driver_nl80211_set_mode(priv, IEEE80211_MODE_INFRA) < 0) + nlmode = params->p2p ? + NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; + if (drv->nlmode != nlmode && + wpa_driver_nl80211_set_mode(priv, nlmode) < 0) return -1; retry: @@ -2398,8 +4684,7 @@ retry: wpa_printf(MSG_DEBUG, "nl80211: Authenticate (ifindex=%d)", drv->ifindex); - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_AUTHENTICATE, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_AUTHENTICATE); for (i = 0; i < 4; i++) { if (!params->wep_key[i]) @@ -2437,6 +4722,12 @@ retry: wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len); if (params->ie) NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie); + if (params->sae_data) { + wpa_hexdump(MSG_DEBUG, " * SAE data", params->sae_data, + params->sae_data_len); + NLA_PUT(msg, NL80211_ATTR_SAE_DATA, params->sae_data_len, + params->sae_data); + } if (params->auth_alg & WPA_AUTH_ALG_OPEN) type = NL80211_AUTHTYPE_OPEN_SYSTEM; else if (params->auth_alg & WPA_AUTH_ALG_SHARED) @@ -2445,6 +4736,8 @@ retry: type = NL80211_AUTHTYPE_NETWORK_EAP; else if (params->auth_alg & WPA_AUTH_ALG_FT) type = NL80211_AUTHTYPE_FT; + else if (params->auth_alg & WPA_AUTH_ALG_SAE) + type = NL80211_AUTHTYPE_SAE; else goto nla_put_failure; wpa_printf(MSG_DEBUG, " * Auth Type %d", type); @@ -2457,8 +4750,9 @@ retry: ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; if (ret) { - wpa_printf(MSG_DEBUG, "nl80211: MLME command failed: ret=%d " - "(%s)", ret, strerror(-ret)); + wpa_dbg(drv->ctx, MSG_DEBUG, + "nl80211: MLME command failed (auth): ret=%d (%s)", + ret, strerror(-ret)); count++; if (ret == -EALREADY && count == 1 && params->bssid && !params->local_state_change) { @@ -2475,6 +4769,49 @@ retry: nlmsg_free(msg); goto retry; } + + if (ret == -ENOENT && params->freq && !is_retry) { + /* + * cfg80211 has likely expired the BSS entry even + * though it was previously available in our internal + * BSS table. To recover quickly, start a single + * channel scan on the specified channel. + */ + struct wpa_driver_scan_params scan; + int freqs[2]; + + os_memset(&scan, 0, sizeof(scan)); + scan.num_ssids = 1; + if (params->ssid) { + scan.ssids[0].ssid = params->ssid; + scan.ssids[0].ssid_len = params->ssid_len; + } + freqs[0] = params->freq; + freqs[1] = 0; + scan.freqs = freqs; + wpa_printf(MSG_DEBUG, "nl80211: Trigger single " + "channel scan to refresh cfg80211 BSS " + "entry"); + ret = wpa_driver_nl80211_scan(bss, &scan); + if (ret == 0) { + nl80211_copy_auth_params(drv, params); + drv->scan_for_auth = 1; + } + } else if (is_retry) { + /* + * Need to indicate this with an event since the return + * value from the retry is not delivered to core code. + */ + union wpa_event_data event; + wpa_printf(MSG_DEBUG, "nl80211: Authentication retry " + "failed"); + os_memset(&event, 0, sizeof(event)); + os_memcpy(event.timeout_event.addr, drv->auth_bssid_, + ETH_ALEN); + wpa_supplicant_event(drv->ctx, EVENT_AUTH_TIMED_OUT, + &event); + } + goto nla_put_failure; } ret = 0; @@ -2487,6 +4824,45 @@ nla_put_failure: } +static int wpa_driver_nl80211_authenticate_retry( + struct wpa_driver_nl80211_data *drv) +{ + struct wpa_driver_auth_params params; + struct i802_bss *bss = &drv->first_bss; + int i; + + wpa_printf(MSG_DEBUG, "nl80211: Try to authenticate again"); + + os_memset(¶ms, 0, sizeof(params)); + params.freq = drv->auth_freq; + params.auth_alg = drv->auth_alg; + params.wep_tx_keyidx = drv->auth_wep_tx_keyidx; + params.local_state_change = drv->auth_local_state_change; + params.p2p = drv->auth_p2p; + + if (!is_zero_ether_addr(drv->auth_bssid_)) + params.bssid = drv->auth_bssid_; + + if (drv->auth_ssid_len) { + params.ssid = drv->auth_ssid; + params.ssid_len = drv->auth_ssid_len; + } + + params.ie = drv->auth_ie; + params.ie_len = drv->auth_ie_len; + + for (i = 0; i < 4; i++) { + if (drv->auth_wep_key_len[i]) { + params.wep_key[i] = drv->auth_wep_key[i]; + params.wep_key_len[i] = drv->auth_wep_key_len[i]; + } + } + + drv->retry_auth = 1; + return wpa_driver_nl80211_authenticate(bss, ¶ms); +} + + struct phy_info_arg { u16 *num_modes; struct hostapd_hw_modes *modes; @@ -2530,7 +4906,9 @@ static int phy_info_handler(struct nl_msg *msg, void *arg) return NL_SKIP; nla_for_each_nested(nl_band, tb_msg[NL80211_ATTR_WIPHY_BANDS], rem_band) { - mode = os_realloc(phy_info->modes, (*phy_info->num_modes + 1) * sizeof(*mode)); + mode = os_realloc_array(phy_info->modes, + *phy_info->num_modes + 1, + sizeof(*mode)); if (!mode) return NL_SKIP; phy_info->modes = mode; @@ -2539,6 +4917,7 @@ static int phy_info_handler(struct nl_msg *msg, void *arg) mode = &phy_info->modes[*(phy_info->num_modes)]; memset(mode, 0, sizeof(*mode)); + mode->flags = HOSTAPD_MODE_FLAG_HT_INFO_KNOWN; *(phy_info->num_modes) += 1; nla_parse(tb_band, NL80211_BAND_ATTR_MAX, nla_data(nl_band), @@ -2568,6 +4947,18 @@ static int phy_info_handler(struct nl_msg *msg, void *arg) os_memcpy(mode->mcs_set, mcs, 16); } + if (tb_band[NL80211_BAND_ATTR_VHT_CAPA]) { + mode->vht_capab = nla_get_u32( + tb_band[NL80211_BAND_ATTR_VHT_CAPA]); + } + + if (tb_band[NL80211_BAND_ATTR_VHT_MCS_SET] && + nla_len(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET])) { + u8 *mcs; + mcs = nla_data(tb_band[NL80211_BAND_ATTR_VHT_MCS_SET]); + os_memcpy(mode->vht_mcs_set, mcs, 8); + } + nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) { nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq), nla_len(nl_freq), freq_policy); @@ -2576,7 +4967,8 @@ static int phy_info_handler(struct nl_msg *msg, void *arg) mode->num_channels++; } - mode->channels = os_zalloc(mode->num_channels * sizeof(struct hostapd_channel_data)); + mode->channels = os_calloc(mode->num_channels, + sizeof(struct hostapd_channel_data)); if (!mode->channels) return NL_SKIP; @@ -2595,19 +4987,35 @@ static int phy_info_handler(struct nl_msg *msg, void *arg) /* crude heuristic */ if (mode->channels[idx].freq < 4000) mode->mode = HOSTAPD_MODE_IEEE80211B; + else if (mode->channels[idx].freq > 50000) + mode->mode = HOSTAPD_MODE_IEEE80211AD; else mode->mode = HOSTAPD_MODE_IEEE80211A; mode_is_set = 1; } - /* crude heuristic */ - if (mode->channels[idx].freq < 4000) + switch (mode->mode) { + case HOSTAPD_MODE_IEEE80211AD: + mode->channels[idx].chan = + (mode->channels[idx].freq - 56160) / + 2160; + break; + case HOSTAPD_MODE_IEEE80211A: + mode->channels[idx].chan = + mode->channels[idx].freq / 5 - 1000; + break; + case HOSTAPD_MODE_IEEE80211B: + case HOSTAPD_MODE_IEEE80211G: if (mode->channels[idx].freq == 2484) mode->channels[idx].chan = 14; else - mode->channels[idx].chan = (mode->channels[idx].freq - 2407) / 5; - else - mode->channels[idx].chan = mode->channels[idx].freq/5 - 1000; + mode->channels[idx].chan = + (mode->channels[idx].freq - + 2407) / 5; + break; + default: + break; + } if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED]) mode->channels[idx].flag |= @@ -2638,7 +5046,7 @@ static int phy_info_handler(struct nl_msg *msg, void *arg) mode->num_rates++; } - mode->rates = os_zalloc(mode->num_rates * sizeof(int)); + mode->rates = os_calloc(mode->num_rates, sizeof(int)); if (!mode->rates) return NL_SKIP; @@ -2683,7 +5091,7 @@ wpa_driver_nl80211_add_11b(struct hostapd_hw_modes *modes, u16 *num_modes) if (mode11g_idx < 0) return modes; /* 2.4 GHz band not supported at all */ - nmodes = os_realloc(modes, (*num_modes + 1) * sizeof(*nmodes)); + nmodes = os_realloc_array(modes, *num_modes + 1, sizeof(*nmodes)); if (nmodes == NULL) return modes; /* Could not add 802.11b mode */ @@ -2737,6 +5145,153 @@ wpa_driver_nl80211_add_11b(struct hostapd_hw_modes *modes, u16 *num_modes) } +static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start, + int end) +{ + int c; + + for (c = 0; c < mode->num_channels; c++) { + struct hostapd_channel_data *chan = &mode->channels[c]; + if (chan->freq - 10 >= start && chan->freq + 10 <= end) + chan->flag |= HOSTAPD_CHAN_HT40; + } +} + + +static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start, + int end) +{ + int c; + + for (c = 0; c < mode->num_channels; c++) { + struct hostapd_channel_data *chan = &mode->channels[c]; + if (!(chan->flag & HOSTAPD_CHAN_HT40)) + continue; + if (chan->freq - 30 >= start && chan->freq - 10 <= end) + chan->flag |= HOSTAPD_CHAN_HT40MINUS; + if (chan->freq + 10 >= start && chan->freq + 30 <= end) + chan->flag |= HOSTAPD_CHAN_HT40PLUS; + } +} + + +static void nl80211_reg_rule_ht40(struct nlattr *tb[], + struct phy_info_arg *results) +{ + u32 start, end, max_bw; + u16 m; + + if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || + tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || + tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) + return; + + start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; + end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; + max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; + + wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz", + start, end, max_bw); + if (max_bw < 40) + return; + + for (m = 0; m < *results->num_modes; m++) { + if (!(results->modes[m].ht_capab & + HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) + continue; + nl80211_set_ht40_mode(&results->modes[m], start, end); + } +} + + +static void nl80211_reg_rule_sec(struct nlattr *tb[], + struct phy_info_arg *results) +{ + u32 start, end, max_bw; + u16 m; + + if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL || + tb[NL80211_ATTR_FREQ_RANGE_END] == NULL || + tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL) + return; + + start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000; + end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000; + max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000; + + if (max_bw < 20) + return; + + for (m = 0; m < *results->num_modes; m++) { + if (!(results->modes[m].ht_capab & + HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)) + continue; + nl80211_set_ht40_mode_sec(&results->modes[m], start, end); + } +} + + +static int nl80211_get_reg(struct nl_msg *msg, void *arg) +{ + struct phy_info_arg *results = arg; + struct nlattr *tb_msg[NL80211_ATTR_MAX + 1]; + struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg)); + struct nlattr *nl_rule; + struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1]; + int rem_rule; + static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = { + [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, + [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, + [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, + [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, + [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, + [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, + }; + + nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), + genlmsg_attrlen(gnlh, 0), NULL); + if (!tb_msg[NL80211_ATTR_REG_ALPHA2] || + !tb_msg[NL80211_ATTR_REG_RULES]) { + wpa_printf(MSG_DEBUG, "nl80211: No regulatory information " + "available"); + return NL_SKIP; + } + + wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s", + (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2])); + + nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) + { + nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, + nla_data(nl_rule), nla_len(nl_rule), reg_policy); + nl80211_reg_rule_ht40(tb_rule, results); + } + + nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule) + { + nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX, + nla_data(nl_rule), nla_len(nl_rule), reg_policy); + nl80211_reg_rule_sec(tb_rule, results); + } + + return NL_SKIP; +} + + +static int nl80211_set_ht40_flags(struct wpa_driver_nl80211_data *drv, + struct phy_info_arg *results) +{ + struct nl_msg *msg; + + msg = nlmsg_alloc(); + if (!msg) + return -ENOMEM; + + nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_REG); + return send_and_recv_msgs(drv, msg, nl80211_get_reg, results); +} + + static struct hostapd_hw_modes * wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags) { @@ -2755,21 +5310,24 @@ wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags) if (!msg) return NULL; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_GET_WIPHY, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_WIPHY); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); - if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) + if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) { + nl80211_set_ht40_flags(drv, &result); return wpa_driver_nl80211_add_11b(result.modes, num_modes); + } + msg = NULL; nla_put_failure: + nlmsg_free(msg); return NULL; } -static int wpa_driver_nl80211_send_frame(struct wpa_driver_nl80211_data *drv, - const void *data, size_t len, - int encrypt) +static int wpa_driver_nl80211_send_mntr(struct wpa_driver_nl80211_data *drv, + const void *data, size_t len, + int encrypt, int noack) { __u8 rtap_hdr[] = { 0x00, 0x00, /* radiotap version */ @@ -2799,18 +5357,59 @@ static int wpa_driver_nl80211_send_frame(struct wpa_driver_nl80211_data *drv, .msg_controllen = 0, .msg_flags = 0, }; + int res; + u16 txflags = 0; if (encrypt) rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP; - return sendmsg(drv->monitor_sock, &msg, 0); + if (drv->monitor_sock < 0) { + wpa_printf(MSG_DEBUG, "nl80211: No monitor socket available " + "for %s", __func__); + return -1; + } + + if (noack) + txflags |= IEEE80211_RADIOTAP_F_TX_NOACK; + WPA_PUT_LE16(&rtap_hdr[12], txflags); + + res = sendmsg(drv->monitor_sock, &msg, 0); + if (res < 0) { + wpa_printf(MSG_INFO, "nl80211: sendmsg: %s", strerror(errno)); + return -1; + } + return 0; } -static int wpa_driver_nl80211_send_mlme(void *priv, const u8 *data, - size_t data_len) +static int wpa_driver_nl80211_send_frame(struct i802_bss *bss, + const void *data, size_t len, + int encrypt, int noack, + unsigned int freq, int no_cck, + int offchanok, unsigned int wait_time) +{ + struct wpa_driver_nl80211_data *drv = bss->drv; + u64 cookie; + + if (freq == 0) + freq = bss->freq; + + if (drv->use_monitor) + return wpa_driver_nl80211_send_mntr(drv, data, len, + encrypt, noack); + + return nl80211_send_frame_cmd(bss, freq, wait_time, data, len, + &cookie, no_cck, noack, offchanok); +} + + +static int wpa_driver_nl80211_send_mlme_freq(struct i802_bss *bss, + const u8 *data, + size_t data_len, int noack, + unsigned int freq, int no_cck, + int offchanok, + unsigned int wait_time) { - struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct ieee80211_mgmt *mgmt; int encrypt = 1; @@ -2819,6 +5418,32 @@ static int wpa_driver_nl80211_send_mlme(void *priv, const u8 *data, mgmt = (struct ieee80211_mgmt *) data; fc = le_to_host16(mgmt->frame_control); + if (is_sta_interface(drv->nlmode) && + WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && + WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) { + /* + * The use of last_mgmt_freq is a bit of a hack, + * but it works due to the single-threaded nature + * of wpa_supplicant. + */ + if (freq == 0) + freq = drv->last_mgmt_freq; + return nl80211_send_frame_cmd(bss, freq, 0, + data, data_len, NULL, 1, noack, + 1); + } + + if (drv->device_ap_sme && is_ap_interface(drv->nlmode)) { + if (freq == 0) + freq = bss->freq; + return nl80211_send_frame_cmd(bss, freq, + (int) freq == bss->freq ? 0 : + wait_time, + data, data_len, + &drv->send_action_cookie, + no_cck, noack, offchanok); + } + if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT && WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) { /* @@ -2833,14 +5458,68 @@ static int wpa_driver_nl80211_send_mlme(void *priv, const u8 *data, encrypt = 0; } - return wpa_driver_nl80211_send_frame(drv, data, data_len, encrypt); + return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, + noack, freq, no_cck, offchanok, + wait_time); } -static int wpa_driver_nl80211_set_beacon(void *priv, - const u8 *head, size_t head_len, - const u8 *tail, size_t tail_len, - int dtim_period, int beacon_int) +static int wpa_driver_nl80211_send_mlme(void *priv, const u8 *data, + size_t data_len, int noack) +{ + struct i802_bss *bss = priv; + return wpa_driver_nl80211_send_mlme_freq(bss, data, data_len, noack, + 0, 0, 0, 0); +} + + +static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble, + int slot, int ht_opmode, int ap_isolate, + int *basic_rates) +{ + struct wpa_driver_nl80211_data *drv = bss->drv; + struct nl_msg *msg; + + msg = nlmsg_alloc(); + if (!msg) + return -ENOMEM; + + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_BSS); + + if (cts >= 0) + NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts); + if (preamble >= 0) + NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble); + if (slot >= 0) + NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot); + if (ht_opmode >= 0) + NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode); + if (ap_isolate >= 0) + NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate); + + if (basic_rates) { + u8 rates[NL80211_MAX_SUPP_RATES]; + u8 rates_len = 0; + int i; + + for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; + i++) + rates[rates_len++] = basic_rates[i] / 5; + + NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates); + } + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); + + return send_and_recv_msgs(drv, msg, NULL, NULL); + nla_put_failure: + nlmsg_free(msg); + return -ENOBUFS; +} + + +static int wpa_driver_nl80211_set_ap(void *priv, + struct wpa_driver_ap_params *params) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; @@ -2849,6 +5528,9 @@ static int wpa_driver_nl80211_set_beacon(void *priv, int ret; int beacon_set; int ifindex = if_nametoindex(bss->ifname); + int num_suites; + u32 suites[10]; + u32 ver; beacon_set = bss->beacon_set; @@ -2861,13 +5543,123 @@ static int wpa_driver_nl80211_set_beacon(void *priv, if (beacon_set) cmd = NL80211_CMD_SET_BEACON; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, cmd, 0); - NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, head_len, head); - NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, tail_len, tail); + nl80211_cmd(drv, msg, 0, cmd); + NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, params->head_len, params->head); + NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len, params->tail); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); - NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, beacon_int); - NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period); + NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, params->beacon_int); + NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period); + NLA_PUT(msg, NL80211_ATTR_SSID, params->ssid_len, + params->ssid); + if (params->proberesp && params->proberesp_len) + NLA_PUT(msg, NL80211_ATTR_PROBE_RESP, params->proberesp_len, + params->proberesp); + switch (params->hide_ssid) { + case NO_SSID_HIDING: + NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID, + NL80211_HIDDEN_SSID_NOT_IN_USE); + break; + case HIDDEN_SSID_ZERO_LEN: + NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID, + NL80211_HIDDEN_SSID_ZERO_LEN); + break; + case HIDDEN_SSID_ZERO_CONTENTS: + NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID, + NL80211_HIDDEN_SSID_ZERO_CONTENTS); + break; + } + if (params->privacy) + NLA_PUT_FLAG(msg, NL80211_ATTR_PRIVACY); + if ((params->auth_algs & (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) == + (WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED)) { + /* Leave out the attribute */ + } else if (params->auth_algs & WPA_AUTH_ALG_SHARED) + NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, + NL80211_AUTHTYPE_SHARED_KEY); + else + NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, + NL80211_AUTHTYPE_OPEN_SYSTEM); + + ver = 0; + if (params->wpa_version & WPA_PROTO_WPA) + ver |= NL80211_WPA_VERSION_1; + if (params->wpa_version & WPA_PROTO_RSN) + ver |= NL80211_WPA_VERSION_2; + if (ver) + NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver); + + num_suites = 0; + if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X) + suites[num_suites++] = WLAN_AKM_SUITE_8021X; + if (params->key_mgmt_suites & WPA_KEY_MGMT_PSK) + suites[num_suites++] = WLAN_AKM_SUITE_PSK; + if (num_suites) { + NLA_PUT(msg, NL80211_ATTR_AKM_SUITES, + num_suites * sizeof(u32), suites); + } + + if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X && + params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)) + NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT); + + num_suites = 0; + if (params->pairwise_ciphers & WPA_CIPHER_CCMP) + suites[num_suites++] = WLAN_CIPHER_SUITE_CCMP; + if (params->pairwise_ciphers & WPA_CIPHER_GCMP) + suites[num_suites++] = WLAN_CIPHER_SUITE_GCMP; + if (params->pairwise_ciphers & WPA_CIPHER_TKIP) + suites[num_suites++] = WLAN_CIPHER_SUITE_TKIP; + if (params->pairwise_ciphers & WPA_CIPHER_WEP104) + suites[num_suites++] = WLAN_CIPHER_SUITE_WEP104; + if (params->pairwise_ciphers & WPA_CIPHER_WEP40) + suites[num_suites++] = WLAN_CIPHER_SUITE_WEP40; + if (num_suites) { + NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, + num_suites * sizeof(u32), suites); + } + + switch (params->group_cipher) { + case WPA_CIPHER_CCMP: + NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, + WLAN_CIPHER_SUITE_CCMP); + break; + case WPA_CIPHER_GCMP: + NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, + WLAN_CIPHER_SUITE_GCMP); + break; + case WPA_CIPHER_TKIP: + NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, + WLAN_CIPHER_SUITE_TKIP); + break; + case WPA_CIPHER_WEP104: + NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, + WLAN_CIPHER_SUITE_WEP104); + break; + case WPA_CIPHER_WEP40: + NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, + WLAN_CIPHER_SUITE_WEP40); + break; + } + + if (params->beacon_ies) { + NLA_PUT(msg, NL80211_ATTR_IE, wpabuf_len(params->beacon_ies), + wpabuf_head(params->beacon_ies)); + } + if (params->proberesp_ies) { + NLA_PUT(msg, NL80211_ATTR_IE_PROBE_RESP, + wpabuf_len(params->proberesp_ies), + wpabuf_head(params->proberesp_ies)); + } + if (params->assocresp_ies) { + NLA_PUT(msg, NL80211_ATTR_IE_ASSOC_RESP, + wpabuf_len(params->assocresp_ies), + wpabuf_head(params->assocresp_ies)); + } + + if (drv->capa.flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER) { + NLA_PUT_U16(msg, NL80211_ATTR_INACTIVITY_TIMEOUT, + params->ap_max_inactivity); + } ret = send_and_recv_msgs(drv, msg, NULL, NULL); if (ret) { @@ -2875,26 +5667,33 @@ static int wpa_driver_nl80211_set_beacon(void *priv, ret, strerror(-ret)); } else { bss->beacon_set = 1; + nl80211_set_bss(bss, params->cts_protect, params->preamble, + params->short_slot_time, params->ht_opmode, + params->isolate, params->basic_rates); } return ret; nla_put_failure: + nlmsg_free(msg); return -ENOBUFS; } -static int wpa_driver_nl80211_set_freq(struct wpa_driver_nl80211_data *drv, +static int wpa_driver_nl80211_set_freq(struct i802_bss *bss, int freq, int ht_enabled, int sec_channel_offset) { + struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; int ret; + wpa_printf(MSG_DEBUG, "nl80211: Set freq %d (ht_enabled=%d " + "sec_channel_offset=%d)", + freq, ht_enabled, sec_channel_offset); msg = nlmsg_alloc(); if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_SET_WIPHY, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); @@ -2916,50 +5715,103 @@ static int wpa_driver_nl80211_set_freq(struct wpa_driver_nl80211_data *drv, } ret = send_and_recv_msgs(drv, msg, NULL, NULL); - if (ret == 0) + msg = NULL; + if (ret == 0) { + bss->freq = freq; return 0; + } wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): " "%d (%s)", freq, ret, strerror(-ret)); nla_put_failure: + nlmsg_free(msg); return -1; } +static u32 sta_flags_nl80211(int flags) +{ + u32 f = 0; + + if (flags & WPA_STA_AUTHORIZED) + f |= BIT(NL80211_STA_FLAG_AUTHORIZED); + if (flags & WPA_STA_WMM) + f |= BIT(NL80211_STA_FLAG_WME); + if (flags & WPA_STA_SHORT_PREAMBLE) + f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); + if (flags & WPA_STA_MFP) + f |= BIT(NL80211_STA_FLAG_MFP); + if (flags & WPA_STA_TDLS_PEER) + f |= BIT(NL80211_STA_FLAG_TDLS_PEER); + + return f; +} + + static int wpa_driver_nl80211_sta_add(void *priv, struct hostapd_sta_add_params *params) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; - struct nl_msg *msg; + struct nl_msg *msg, *wme = NULL; + struct nl80211_sta_flag_update upd; int ret = -ENOBUFS; + if ((params->flags & WPA_STA_TDLS_PEER) && + !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) + return -EOPNOTSUPP; + msg = nlmsg_alloc(); if (!msg) return -ENOMEM; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_NEW_STATION, 0); + nl80211_cmd(drv, msg, 0, params->set ? NL80211_CMD_SET_STATION : + NL80211_CMD_NEW_STATION); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->addr); - NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid); NLA_PUT(msg, NL80211_ATTR_STA_SUPPORTED_RATES, params->supp_rates_len, params->supp_rates); - NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, - params->listen_interval); + if (!params->set) { + NLA_PUT_U16(msg, NL80211_ATTR_STA_AID, params->aid); + NLA_PUT_U16(msg, NL80211_ATTR_STA_LISTEN_INTERVAL, + params->listen_interval); + } if (params->ht_capabilities) { NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sizeof(*params->ht_capabilities), params->ht_capabilities); } + os_memset(&upd, 0, sizeof(upd)); + upd.mask = sta_flags_nl80211(params->flags); + upd.set = upd.mask; + NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd); + + if (params->flags & WPA_STA_WMM) { + wme = nlmsg_alloc(); + if (!wme) + goto nla_put_failure; + + NLA_PUT_U8(wme, NL80211_STA_WME_UAPSD_QUEUES, + params->qosinfo & WMM_QOSINFO_STA_AC_MASK); + NLA_PUT_U8(wme, NL80211_STA_WME_MAX_SP, + (params->qosinfo > WMM_QOSINFO_STA_SP_SHIFT) & + WMM_QOSINFO_STA_SP_MASK); + if (nla_put_nested(msg, NL80211_ATTR_STA_WME, wme) < 0) + goto nla_put_failure; + } + ret = send_and_recv_msgs(drv, msg, NULL, NULL); + msg = NULL; if (ret) - wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_NEW_STATION " - "result: %d (%s)", ret, strerror(-ret)); + wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_%s_STATION " + "result: %d (%s)", params->set ? "SET" : "NEW", ret, + strerror(-ret)); if (ret == -EEXIST) ret = 0; nla_put_failure: + nlmsg_free(wme); + nlmsg_free(msg); return ret; } @@ -2975,8 +5827,7 @@ static int wpa_driver_nl80211_sta_remove(void *priv, const u8 *addr) if (!msg) return -ENOMEM; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_DEL_STATION, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); @@ -2987,6 +5838,7 @@ static int wpa_driver_nl80211_sta_remove(void *priv, const u8 *addr) return 0; return ret; nla_put_failure: + nlmsg_free(msg); return -ENOBUFS; } @@ -2998,26 +5850,46 @@ static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, wpa_printf(MSG_DEBUG, "nl80211: Remove interface ifindex=%d", ifidx); -#ifdef HOSTAPD /* stop listening for EAPOL on this interface */ del_ifidx(drv, ifidx); -#endif /* HOSTAPD */ msg = nlmsg_alloc(); if (!msg) goto nla_put_failure; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_DEL_INTERFACE, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_INTERFACE); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx); if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) return; + msg = NULL; nla_put_failure: + nlmsg_free(msg); wpa_printf(MSG_ERROR, "Failed to remove interface (ifidx=%d)", ifidx); } +static const char * nl80211_iftype_str(enum nl80211_iftype mode) +{ + switch (mode) { + case NL80211_IFTYPE_ADHOC: + return "ADHOC"; + case NL80211_IFTYPE_STATION: + return "STATION"; + case NL80211_IFTYPE_AP: + return "AP"; + case NL80211_IFTYPE_MONITOR: + return "MONITOR"; + case NL80211_IFTYPE_P2P_CLIENT: + return "P2P_CLIENT"; + case NL80211_IFTYPE_P2P_GO: + return "P2P_GO"; + default: + return "unknown"; + } +} + + static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv, const char *ifname, enum nl80211_iftype iftype, @@ -3027,12 +5899,14 @@ static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv, int ifidx; int ret = -ENOBUFS; + wpa_printf(MSG_DEBUG, "nl80211: Create interface iftype %d (%s)", + iftype, nl80211_iftype_str(iftype)); + msg = nlmsg_alloc(); if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_NEW_INTERFACE, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_NEW_INTERFACE); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname); NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype); @@ -3057,8 +5931,10 @@ static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv, } ret = send_and_recv_msgs(drv, msg, NULL, NULL); + msg = NULL; if (ret) { nla_put_failure: + nlmsg_free(msg); wpa_printf(MSG_ERROR, "Failed to create interface %s: %d (%s)", ifname, ret, strerror(-ret)); return ret; @@ -3071,13 +5947,11 @@ static int nl80211_create_iface_once(struct wpa_driver_nl80211_data *drv, if (ifidx <= 0) return -1; -#ifdef HOSTAPD /* start listening for EAPOL on this interface */ add_ifidx(drv, ifidx); -#endif /* HOSTAPD */ if (addr && iftype != NL80211_IFTYPE_MONITOR && - linux_set_ifhwaddr(drv->ioctl_sock, ifname, addr)) { + linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, addr)) { nl80211_remove_iface(drv, ifidx); return -1; } @@ -3094,7 +5968,7 @@ static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, ret = nl80211_create_iface_once(drv, ifname, iftype, addr, wds); - /* if error occured and interface exists already */ + /* if error occurred and interface exists already */ if (ret == -ENFILE && if_nametoindex(ifname)) { wpa_printf(MSG_INFO, "Try to remove and re-create %s", ifname); @@ -3106,7 +5980,7 @@ static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv, wds); } - if (ret >= 0 && drv->disable_11b_rates) + if (ret >= 0 && is_p2p_interface(iftype)) nl80211_disable_11b_rates(drv, ret, 1); return ret; @@ -3136,10 +6010,20 @@ static void handle_tx_callback(void *ctx, u8 *buf, size_t len, int ok) static void from_unknown_sta(struct wpa_driver_nl80211_data *drv, u8 *buf, size_t len) { + struct ieee80211_hdr *hdr = (void *)buf; + u16 fc; union wpa_event_data event; + + if (len < sizeof(*hdr)) + return; + + fc = le_to_host16(hdr->frame_control); + os_memset(&event, 0, sizeof(event)); - event.rx_from_unknown.frame = buf; - event.rx_from_unknown.len = len; + event.rx_from_unknown.bssid = get_hdr_bssid(hdr, len); + event.rx_from_unknown.addr = hdr->addr2; + event.rx_from_unknown.wds = (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) == + (WLAN_FC_FROMDS | WLAN_FC_TODS); wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event); } @@ -3191,12 +6075,6 @@ static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx) return; } - if (drv->nlmode == NL80211_IFTYPE_STATION && !drv->probe_req_report) { - wpa_printf(MSG_DEBUG, "nl80211: Ignore monitor interface " - "frame since Probe Request reporting is disabled"); - return; - } - if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) { printf("received invalid radiotap frame\n"); return; @@ -3231,8 +6109,8 @@ static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx) case IEEE80211_RADIOTAP_RATE: datarate = *iter.this_arg * 5; break; - case IEEE80211_RADIOTAP_DB_ANTSIGNAL: - ssi_signal = *iter.this_arg; + case IEEE80211_RADIOTAP_DBM_ANTSIGNAL: + ssi_signal = (s8) *iter.this_arg; break; } } @@ -3290,8 +6168,15 @@ static struct sock_filter msock_filter_insns[] = { * add a filter here that filters on our DA and that flag * to allow us to deauth frames to that bad station. * - * Not a regression -- we didn't do it before either. + * For now allow all To DS data frames through. + */ + /* load the IEEE 802.11 frame control field */ + BPF_STMT(BPF_LD | BPF_H | BPF_IND, 0), + /* mask off frame type, version and DS status */ + BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0F03), + /* accept frame if version 0, type 2 and To DS, fall through otherwise */ + BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0801, PASS, 0), #if 0 /* @@ -3396,6 +6281,10 @@ static int add_monitor_filter(int s) static void nl80211_remove_monitor_interface( struct wpa_driver_nl80211_data *drv) { + drv->monitor_refcount--; + if (drv->monitor_refcount > 0) + return; + if (drv->monitor_ifidx >= 0) { nl80211_remove_iface(drv, drv->monitor_ifidx); drv->monitor_ifidx = -1; @@ -3416,17 +6305,46 @@ nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv) int optval; socklen_t optlen; - snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss.ifname); + if (drv->monitor_ifidx >= 0) { + drv->monitor_refcount++; + return 0; + } + + if (os_strncmp(drv->first_bss.ifname, "p2p-", 4) == 0) { + /* + * P2P interface name is of the format p2p-%s-%d. For monitor + * interface name corresponding to P2P GO, replace "p2p-" with + * "mon-" to retain the same interface name length and to + * indicate that it is a monitor interface. + */ + snprintf(buf, IFNAMSIZ, "mon-%s", drv->first_bss.ifname + 4); + } else { + /* Non-P2P interface with AP functionality. */ + snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss.ifname); + } + buf[IFNAMSIZ - 1] = '\0'; drv->monitor_ifidx = nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL, 0); + if (drv->monitor_ifidx == -EOPNOTSUPP) { + /* + * This is backward compatibility for a few versions of + * the kernel only that didn't advertise the right + * attributes for the only driver that then supported + * AP mode w/o monitor -- ath6kl. + */ + wpa_printf(MSG_DEBUG, "nl80211: Driver does not support " + "monitor interface type - try to run without it"); + drv->device_ap_sme = 1; + } + if (drv->monitor_ifidx < 0) return -1; - if (linux_set_iface_flags(drv->ioctl_sock, buf, 1)) + if (linux_set_iface_flags(drv->global->ioctl_sock, buf, 1)) goto error; memset(&ll, 0, sizeof(ll)); @@ -3470,11 +6388,95 @@ nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv) } +static int nl80211_setup_ap(struct i802_bss *bss) +{ + struct wpa_driver_nl80211_data *drv = bss->drv; + + wpa_printf(MSG_DEBUG, "nl80211: Setup AP - device_ap_sme=%d " + "use_monitor=%d", drv->device_ap_sme, drv->use_monitor); + + /* + * Disable Probe Request reporting unless we need it in this way for + * devices that include the AP SME, in the other case (unless using + * monitor iface) we'll get it through the nl_mgmt socket instead. + */ + if (!drv->device_ap_sme) + wpa_driver_nl80211_probe_req_report(bss, 0); + + if (!drv->device_ap_sme && !drv->use_monitor) + if (nl80211_mgmt_subscribe_ap(bss)) + return -1; + + if (drv->device_ap_sme && !drv->use_monitor) + if (nl80211_mgmt_subscribe_ap_dev_sme(bss)) + return -1; + + if (!drv->device_ap_sme && drv->use_monitor && + nl80211_create_monitor_interface(drv) && + !drv->device_ap_sme) + return -1; + + if (drv->device_ap_sme && + wpa_driver_nl80211_probe_req_report(bss, 1) < 0) { + wpa_printf(MSG_DEBUG, "nl80211: Failed to enable " + "Probe Request frame reporting in AP mode"); + /* Try to survive without this */ + } + + return 0; +} + + +static void nl80211_teardown_ap(struct i802_bss *bss) +{ + struct wpa_driver_nl80211_data *drv = bss->drv; + + if (drv->device_ap_sme) { + wpa_driver_nl80211_probe_req_report(bss, 0); + if (!drv->use_monitor) + nl80211_mgmt_unsubscribe(bss, "AP teardown (dev SME)"); + } else if (drv->use_monitor) + nl80211_remove_monitor_interface(drv); + else + nl80211_mgmt_unsubscribe(bss, "AP teardown"); + + bss->beacon_set = 0; +} + + +static int nl80211_send_eapol_data(struct i802_bss *bss, + const u8 *addr, const u8 *data, + size_t data_len) +{ + struct sockaddr_ll ll; + int ret; + + if (bss->drv->eapol_tx_sock < 0) { + wpa_printf(MSG_DEBUG, "nl80211: No socket to send EAPOL"); + return -1; + } + + os_memset(&ll, 0, sizeof(ll)); + ll.sll_family = AF_PACKET; + ll.sll_ifindex = bss->ifindex; + ll.sll_protocol = htons(ETH_P_PAE); + ll.sll_halen = ETH_ALEN; + os_memcpy(ll.sll_addr, addr, ETH_ALEN); + ret = sendto(bss->drv->eapol_tx_sock, data, data_len, 0, + (struct sockaddr *) &ll, sizeof(ll)); + if (ret < 0) + wpa_printf(MSG_ERROR, "nl80211: EAPOL TX: %s", + strerror(errno)); + + return ret; +} + + static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; static int wpa_driver_nl80211_hapd_send_eapol( void *priv, const u8 *addr, const u8 *data, - size_t data_len, int encrypt, const u8 *own_addr) + size_t data_len, int encrypt, const u8 *own_addr, u32 flags) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; @@ -3482,11 +6484,10 @@ static int wpa_driver_nl80211_hapd_send_eapol( size_t len; u8 *pos; int res; -#if 0 /* FIX */ - int qos = sta->flags & WPA_STA_WMM; -#else - int qos = 0; -#endif + int qos = flags & WPA_STA_WMM; + + if (drv->device_ap_sme || !drv->use_monitor) + return nl80211_send_eapol_data(bss, addr, data, data_len); len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 + data_len; @@ -3502,26 +6503,22 @@ static int wpa_driver_nl80211_hapd_send_eapol( hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS); if (encrypt) hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP); -#if 0 /* To be enabled if qos determination is added above */ if (qos) { hdr->frame_control |= host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4); } -#endif memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN); memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); pos = (u8 *) (hdr + 1); -#if 0 /* To be enabled if qos determination is added above */ if (qos) { - /* add an empty QoS header if needed */ - pos[0] = 0; + /* Set highest priority in QoS header */ + pos[0] = 7; pos[1] = 0; pos += 2; } -#endif memcpy(pos, rfc1042_header, sizeof(rfc1042_header)); pos += sizeof(rfc1042_header); @@ -3529,7 +6526,8 @@ static int wpa_driver_nl80211_hapd_send_eapol( pos += 2; memcpy(pos, data, data_len); - res = wpa_driver_nl80211_send_frame(drv, (u8 *) hdr, len, encrypt); + res = wpa_driver_nl80211_send_frame(bss, (u8 *) hdr, len, encrypt, 0, + 0, 0, 0, 0); if (res < 0) { wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - " "failed: %d (%s)", @@ -3541,23 +6539,6 @@ static int wpa_driver_nl80211_hapd_send_eapol( } -static u32 sta_flags_nl80211(int flags) -{ - u32 f = 0; - - if (flags & WPA_STA_AUTHORIZED) - f |= BIT(NL80211_STA_FLAG_AUTHORIZED); - if (flags & WPA_STA_WMM) - f |= BIT(NL80211_STA_FLAG_WME); - if (flags & WPA_STA_SHORT_PREAMBLE) - f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE); - if (flags & WPA_STA_MFP) - f |= BIT(NL80211_STA_FLAG_MFP); - - return f; -} - - static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr, int total_flags, int flags_or, int flags_and) @@ -3577,8 +6558,7 @@ static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr, return -ENOMEM; } - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_SET_STATION, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); @@ -3600,6 +6580,9 @@ static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr, if (total_flags & WPA_STA_MFP) NLA_PUT_FLAG(flags, NL80211_STA_FLAG_MFP); + if (total_flags & WPA_STA_TDLS_PEER) + NLA_PUT_FLAG(flags, NL80211_STA_FLAG_TDLS_PEER); + if (nla_put_nested(msg, NL80211_ATTR_STA_FLAGS, flags)) goto nla_put_failure; @@ -3612,6 +6595,7 @@ static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr, return send_and_recv_msgs(drv, msg, NULL, NULL); nla_put_failure: + nlmsg_free(msg); nlmsg_free(flags); return -ENOBUFS; } @@ -3620,14 +6604,27 @@ static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr, static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv, struct wpa_driver_associate_params *params) { - if (wpa_driver_nl80211_set_mode(&drv->first_bss, params->mode) || - wpa_driver_nl80211_set_freq(drv, params->freq, 0, 0)) { + enum nl80211_iftype nlmode, old_mode; + + if (params->p2p) { + wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P " + "group (GO)"); + nlmode = NL80211_IFTYPE_P2P_GO; + } else + nlmode = NL80211_IFTYPE_AP; + + old_mode = drv->nlmode; + if (wpa_driver_nl80211_set_mode(&drv->first_bss, nlmode)) { nl80211_remove_monitor_interface(drv); return -1; } - /* TODO: setup monitor interface (and add code somewhere to remove this - * when AP mode is stopped; associate with mode != 2 or drv_deinit) */ + if (wpa_driver_nl80211_set_freq(&drv->first_bss, params->freq, 0, 0)) { + if (old_mode != nlmode) + wpa_driver_nl80211_set_mode(&drv->first_bss, old_mode); + nl80211_remove_monitor_interface(drv); + return -1; + } return 0; } @@ -3642,8 +6639,7 @@ static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv) if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_LEAVE_IBSS, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_LEAVE_IBSS); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; @@ -3671,7 +6667,8 @@ static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv, wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex); - if (wpa_driver_nl80211_set_mode(&drv->first_bss, params->mode)) { + if (wpa_driver_nl80211_set_mode(&drv->first_bss, + NL80211_IFTYPE_ADHOC)) { wpa_printf(MSG_INFO, "nl80211: Failed to set interface into " "IBSS mode"); return -1; @@ -3682,8 +6679,7 @@ retry: if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_JOIN_IBSS, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_JOIN_IBSS); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); if (params->ssid == NULL || params->ssid_len > sizeof(drv->ssid)) @@ -3703,6 +6699,20 @@ retry: if (ret) goto nla_put_failure; + if (params->bssid && params->fixed_bssid) { + wpa_printf(MSG_DEBUG, " * BSSID=" MACSTR, + MAC2STR(params->bssid)); + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, params->bssid); + } + + if (params->key_mgmt_suite == KEY_MGMT_802_1X || + params->key_mgmt_suite == KEY_MGMT_PSK || + params->key_mgmt_suite == KEY_MGMT_802_1X_SHA256 || + params->key_mgmt_suite == KEY_MGMT_PSK_SHA256) { + wpa_printf(MSG_DEBUG, " * control port"); + NLA_PUT_FLAG(msg, NL80211_ATTR_CONTROL_PORT); + } + if (params->wpa_ie) { wpa_hexdump(MSG_DEBUG, " * Extra IEs for Beacon/Probe Response frames", @@ -3736,21 +6746,21 @@ nla_put_failure: } -static int wpa_driver_nl80211_connect( +static int wpa_driver_nl80211_try_connect( struct wpa_driver_nl80211_data *drv, struct wpa_driver_associate_params *params) { struct nl_msg *msg; enum nl80211_auth_type type; int ret = 0; + int algs; msg = nlmsg_alloc(); if (!msg) return -1; wpa_printf(MSG_DEBUG, "nl80211: Connect (ifindex=%d)", drv->ifindex); - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_CONNECT, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_CONNECT); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); if (params->bssid) { @@ -3762,6 +6772,12 @@ static int wpa_driver_nl80211_connect( wpa_printf(MSG_DEBUG, " * freq=%d", params->freq); NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq); } + if (params->bg_scan_period >= 0) { + wpa_printf(MSG_DEBUG, " * bg scan period=%d", + params->bg_scan_period); + NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD, + params->bg_scan_period); + } if (params->ssid) { wpa_hexdump_ascii(MSG_DEBUG, " * SSID", params->ssid, params->ssid_len); @@ -3777,6 +6793,19 @@ static int wpa_driver_nl80211_connect( NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie); + algs = 0; + if (params->auth_alg & WPA_AUTH_ALG_OPEN) + algs++; + if (params->auth_alg & WPA_AUTH_ALG_SHARED) + algs++; + if (params->auth_alg & WPA_AUTH_ALG_LEAP) + algs++; + if (algs > 1) { + wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic " + "selection"); + goto skip_auth_type; + } + if (params->auth_alg & WPA_AUTH_ALG_OPEN) type = NL80211_AUTHTYPE_OPEN_SYSTEM; else if (params->auth_alg & WPA_AUTH_ALG_SHARED) @@ -3791,15 +6820,16 @@ static int wpa_driver_nl80211_connect( wpa_printf(MSG_DEBUG, " * Auth Type %d", type); NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type); - if (params->wpa_ie && params->wpa_ie_len) { - enum nl80211_wpa_versions ver; +skip_auth_type: + if (params->wpa_proto) { + enum nl80211_wpa_versions ver = 0; - if (params->wpa_ie[0] == WLAN_EID_RSN) - ver = NL80211_WPA_VERSION_2; - else - ver = NL80211_WPA_VERSION_1; + if (params->wpa_proto & WPA_PROTO_WPA) + ver |= NL80211_WPA_VERSION_1; + if (params->wpa_proto & WPA_PROTO_RSN) + ver |= NL80211_WPA_VERSION_2; - wpa_printf(MSG_DEBUG, " * WPA Version %d", ver); + wpa_printf(MSG_DEBUG, " * WPA Versions 0x%x", ver); NLA_PUT_U32(msg, NL80211_ATTR_WPA_VERSIONS, ver); } @@ -3807,6 +6837,9 @@ static int wpa_driver_nl80211_connect( int cipher; switch (params->pairwise_suite) { + case CIPHER_SMS4: + cipher = WLAN_CIPHER_SUITE_SMS4; + break; case CIPHER_WEP40: cipher = WLAN_CIPHER_SUITE_WEP40; break; @@ -3816,6 +6849,9 @@ static int wpa_driver_nl80211_connect( case CIPHER_CCMP: cipher = WLAN_CIPHER_SUITE_CCMP; break; + case CIPHER_GCMP: + cipher = WLAN_CIPHER_SUITE_GCMP; + break; case CIPHER_TKIP: default: cipher = WLAN_CIPHER_SUITE_TKIP; @@ -3828,6 +6864,9 @@ static int wpa_driver_nl80211_connect( int cipher; switch (params->group_suite) { + case CIPHER_SMS4: + cipher = WLAN_CIPHER_SUITE_SMS4; + break; case CIPHER_WEP40: cipher = WLAN_CIPHER_SUITE_WEP40; break; @@ -3837,6 +6876,9 @@ static int wpa_driver_nl80211_connect( case CIPHER_CCMP: cipher = WLAN_CIPHER_SUITE_CCMP; break; + case CIPHER_GCMP: + cipher = WLAN_CIPHER_SUITE_GCMP; + break; case CIPHER_TKIP: default: cipher = WLAN_CIPHER_SUITE_TKIP; @@ -3846,10 +6888,14 @@ static int wpa_driver_nl80211_connect( } if (params->key_mgmt_suite == KEY_MGMT_802_1X || - params->key_mgmt_suite == KEY_MGMT_PSK) { + params->key_mgmt_suite == KEY_MGMT_PSK || + params->key_mgmt_suite == KEY_MGMT_CCKM) { int mgmt = WLAN_AKM_SUITE_PSK; switch (params->key_mgmt_suite) { + case KEY_MGMT_CCKM: + mgmt = WLAN_AKM_SUITE_CCKM; + break; case KEY_MGMT_802_1X: mgmt = WLAN_AKM_SUITE_8021X; break; @@ -3861,6 +6907,16 @@ static int wpa_driver_nl80211_connect( NLA_PUT_U32(msg, NL80211_ATTR_AKM_SUITES, mgmt); } + if (params->disable_ht) + NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT); + + if (params->htcaps && params->htcaps_mask) { + int sz = sizeof(struct ieee80211_ht_capabilities); + NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps); + NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz, + params->htcaps_mask); + } + ret = nl80211_set_conn_keys(params, msg); if (ret) goto nla_put_failure; @@ -3882,6 +6938,31 @@ nla_put_failure: } +static int wpa_driver_nl80211_connect( + struct wpa_driver_nl80211_data *drv, + struct wpa_driver_associate_params *params) +{ + int ret = wpa_driver_nl80211_try_connect(drv, params); + if (ret == -EALREADY) { + /* + * cfg80211 does not currently accept new connections if + * we are already connected. As a workaround, force + * disconnection and try again. + */ + wpa_printf(MSG_DEBUG, "nl80211: Explicitly " + "disconnecting before reassociation " + "attempt"); + if (wpa_driver_nl80211_disconnect( + drv, WLAN_REASON_PREV_AUTH_NOT_VALID)) + return -1; + /* Ignore the next local disconnect message. */ + drv->ignore_next_local_disconnect = 1; + ret = wpa_driver_nl80211_try_connect(drv, params); + } + return ret; +} + + static int wpa_driver_nl80211_associate( void *priv, struct wpa_driver_associate_params *params) { @@ -3897,7 +6978,10 @@ static int wpa_driver_nl80211_associate( return wpa_driver_nl80211_ibss(drv, params); if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) { - if (wpa_driver_nl80211_set_mode(priv, params->mode) < 0) + enum nl80211_iftype nlmode = params->p2p ? + NL80211_IFTYPE_P2P_CLIENT : NL80211_IFTYPE_STATION; + + if (wpa_driver_nl80211_set_mode(priv, nlmode) < 0) return -1; return wpa_driver_nl80211_connect(drv, params); } @@ -3910,8 +6994,7 @@ static int wpa_driver_nl80211_associate( wpa_printf(MSG_DEBUG, "nl80211: Associate (ifindex=%d)", drv->ifindex); - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_ASSOCIATE, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_ASSOCIATE); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); if (params->bssid) { @@ -3925,6 +7008,12 @@ static int wpa_driver_nl80211_associate( drv->assoc_freq = params->freq; } else drv->assoc_freq = 0; + if (params->bg_scan_period >= 0) { + wpa_printf(MSG_DEBUG, " * bg scan period=%d", + params->bg_scan_period); + NLA_PUT_U16(msg, NL80211_ATTR_BG_SCAN_PERIOD, + params->bg_scan_period); + } if (params->ssid) { wpa_hexdump_ascii(MSG_DEBUG, " * SSID", params->ssid, params->ssid_len); @@ -3940,6 +7029,56 @@ static int wpa_driver_nl80211_associate( NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len, params->wpa_ie); + if (params->pairwise_suite != CIPHER_NONE) { + int cipher; + + switch (params->pairwise_suite) { + case CIPHER_WEP40: + cipher = WLAN_CIPHER_SUITE_WEP40; + break; + case CIPHER_WEP104: + cipher = WLAN_CIPHER_SUITE_WEP104; + break; + case CIPHER_CCMP: + cipher = WLAN_CIPHER_SUITE_CCMP; + break; + case CIPHER_GCMP: + cipher = WLAN_CIPHER_SUITE_GCMP; + break; + case CIPHER_TKIP: + default: + cipher = WLAN_CIPHER_SUITE_TKIP; + break; + } + wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher); + NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher); + } + + if (params->group_suite != CIPHER_NONE) { + int cipher; + + switch (params->group_suite) { + case CIPHER_WEP40: + cipher = WLAN_CIPHER_SUITE_WEP40; + break; + case CIPHER_WEP104: + cipher = WLAN_CIPHER_SUITE_WEP104; + break; + case CIPHER_CCMP: + cipher = WLAN_CIPHER_SUITE_CCMP; + break; + case CIPHER_GCMP: + cipher = WLAN_CIPHER_SUITE_GCMP; + break; + case CIPHER_TKIP: + default: + cipher = WLAN_CIPHER_SUITE_TKIP; + break; + } + wpa_printf(MSG_DEBUG, " * group=0x%x", cipher); + NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher); + } + #ifdef CONFIG_IEEE80211W if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED) NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED); @@ -3954,11 +7093,25 @@ static int wpa_driver_nl80211_associate( params->prev_bssid); } + if (params->disable_ht) + NLA_PUT_FLAG(msg, NL80211_ATTR_DISABLE_HT); + + if (params->htcaps && params->htcaps_mask) { + int sz = sizeof(struct ieee80211_ht_capabilities); + NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY, sz, params->htcaps); + NLA_PUT(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz, + params->htcaps_mask); + } + + if (params->p2p) + wpa_printf(MSG_DEBUG, " * P2P group"); + ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; if (ret) { - wpa_printf(MSG_DEBUG, "nl80211: MLME command failed: ret=%d " - "(%s)", ret, strerror(-ret)); + wpa_dbg(drv->ctx, MSG_DEBUG, + "nl80211: MLME command failed (assoc): ret=%d (%s)", + ret, strerror(-ret)); nl80211_dump_scan(drv); goto nla_put_failure; } @@ -3973,57 +7126,53 @@ nla_put_failure: static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv, - int ifindex, int mode) + int ifindex, enum nl80211_iftype mode) { struct nl_msg *msg; int ret = -ENOBUFS; + wpa_printf(MSG_DEBUG, "nl80211: Set mode ifindex %d iftype %d (%s)", + ifindex, mode, nl80211_iftype_str(mode)); + msg = nlmsg_alloc(); if (!msg) return -ENOMEM; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_SET_INTERFACE, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_INTERFACE); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode); ret = send_and_recv_msgs(drv, msg, NULL, NULL); + msg = NULL; if (!ret) return 0; nla_put_failure: + nlmsg_free(msg); wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:" " %d (%s)", ifindex, mode, ret, strerror(-ret)); return ret; } -static int wpa_driver_nl80211_set_mode(void *priv, int mode) +static int wpa_driver_nl80211_set_mode(struct i802_bss *bss, + enum nl80211_iftype nlmode) { - struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; int ret = -1; - int nlmode; - - switch (mode) { - case 0: - nlmode = NL80211_IFTYPE_STATION; - break; - case 1: - nlmode = NL80211_IFTYPE_ADHOC; - break; - case 2: - nlmode = NL80211_IFTYPE_AP; - break; - default: - return -1; - } + int i; + int was_ap = is_ap_interface(drv->nlmode); + int res; - if (nl80211_set_mode(drv, drv->ifindex, nlmode) == 0) { + res = nl80211_set_mode(drv, drv->ifindex, nlmode); + if (res == 0) { drv->nlmode = nlmode; ret = 0; goto done; } + if (res == -ENODEV) + return -1; + if (nlmode == drv->nlmode) { wpa_printf(MSG_DEBUG, "nl80211: Interface already in " "requested mode - ignore error"); @@ -4035,36 +7184,68 @@ static int wpa_driver_nl80211_set_mode(void *priv, int mode) * take the device down, try to set the mode again, and bring the * device back up. */ - if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0) == 0) { - /* Try to set the mode again while the interface is down */ - ret = nl80211_set_mode(drv, drv->ifindex, nlmode); - if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1)) - ret = -1; + wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting " + "interface down"); + for (i = 0; i < 10; i++) { + res = linux_set_iface_flags(drv->global->ioctl_sock, + bss->ifname, 0); + if (res == -EACCES || res == -ENODEV) + break; + if (res == 0) { + /* Try to set the mode again while the interface is + * down */ + ret = nl80211_set_mode(drv, drv->ifindex, nlmode); + if (ret == -EACCES) + break; + res = linux_set_iface_flags(drv->global->ioctl_sock, + bss->ifname, 1); + if (res && !ret) + ret = -1; + else if (ret != -EBUSY) + break; + } else + wpa_printf(MSG_DEBUG, "nl80211: Failed to set " + "interface down"); + os_sleep(0, 100000); } if (!ret) { wpa_printf(MSG_DEBUG, "nl80211: Mode change succeeded while " "interface is down"); drv->nlmode = nlmode; + drv->ignore_if_down_event = 1; } done: - if (!ret && nlmode == NL80211_IFTYPE_AP) { + if (ret) { + wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d " + "from %d failed", nlmode, drv->nlmode); + return ret; + } + + if (is_p2p_interface(nlmode)) + nl80211_disable_11b_rates(drv, drv->ifindex, 1); + else if (drv->disabled_11b_rates) + nl80211_disable_11b_rates(drv, drv->ifindex, 0); + + if (is_ap_interface(nlmode)) { + nl80211_mgmt_unsubscribe(bss, "start AP"); /* Setup additional AP mode functionality if needed */ - if (drv->monitor_ifidx < 0 && - nl80211_create_monitor_interface(drv)) + if (nl80211_setup_ap(bss)) return -1; - } else if (!ret && nlmode != NL80211_IFTYPE_AP) { + } else if (was_ap) { /* Remove additional AP mode functionality */ - nl80211_remove_monitor_interface(drv); - bss->beacon_set = 0; + nl80211_teardown_ap(bss); + } else { + nl80211_mgmt_unsubscribe(bss, "mode change"); } - if (ret) - wpa_printf(MSG_DEBUG, "nl80211: Interface mode change to %d " - "from %d failed", nlmode, drv->nlmode); + if (!bss->in_deinit && !is_ap_interface(nlmode) && + nl80211_mgmt_subscribe_non_ap(bss) < 0) + wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action " + "frame processing - ignore for now"); - return ret; + return 0; } @@ -4088,7 +7269,7 @@ static int wpa_driver_nl80211_set_operstate(void *priv, int state) wpa_printf(MSG_DEBUG, "%s: operstate %d->%d (%s)", __func__, drv->operstate, state, state ? "UP" : "DORMANT"); drv->operstate = state; - return netlink_send_oper_ifla(drv->netlink, drv->ifindex, -1, + return netlink_send_oper_ifla(drv->global->netlink, drv->ifindex, -1, state ? IF_OPER_UP : IF_OPER_DORMANT); } @@ -4104,8 +7285,7 @@ static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized) if (!msg) return -ENOMEM; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_SET_STATION, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); @@ -4119,74 +7299,21 @@ static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized) return send_and_recv_msgs(drv, msg, NULL, NULL); nla_put_failure: + nlmsg_free(msg); return -ENOBUFS; } -#ifdef HOSTAPD - -static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) -{ - int i; - int *old; - - wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d", - ifidx); - for (i = 0; i < drv->num_if_indices; i++) { - if (drv->if_indices[i] == 0) { - drv->if_indices[i] = ifidx; - return; - } - } - - if (drv->if_indices != drv->default_if_indices) - old = drv->if_indices; - else - old = NULL; - - drv->if_indices = os_realloc(old, - sizeof(int) * (drv->num_if_indices + 1)); - if (!drv->if_indices) { - if (!old) - drv->if_indices = drv->default_if_indices; - else - drv->if_indices = old; - wpa_printf(MSG_ERROR, "Failed to reallocate memory for " - "interfaces"); - wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx); - return; - } else if (!old) - os_memcpy(drv->if_indices, drv->default_if_indices, - sizeof(drv->default_if_indices)); - drv->if_indices[drv->num_if_indices] = ifidx; - drv->num_if_indices++; -} - - -static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) +/* Set kernel driver on given frequency (MHz) */ +static int i802_set_freq(void *priv, struct hostapd_freq_params *freq) { - int i; - - for (i = 0; i < drv->num_if_indices; i++) { - if (drv->if_indices[i] == ifidx) { - drv->if_indices[i] = 0; - break; - } - } + struct i802_bss *bss = priv; + return wpa_driver_nl80211_set_freq(bss, freq->freq, freq->ht_enabled, + freq->sec_channel_offset); } -static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) -{ - int i; - - for (i = 0; i < drv->num_if_indices; i++) - if (drv->if_indices[i] == ifidx) - return 1; - - return 0; -} - +#if defined(HOSTAPD) || defined(CONFIG_AP) static inline int min_int(int a, int b) { @@ -4228,8 +7355,7 @@ static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr, if (!msg) return -ENOMEM; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_GET_KEY, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_KEY); if (addr) NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); @@ -4240,54 +7366,11 @@ static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr, return send_and_recv_msgs(drv, msg, get_key_handler, seq); nla_put_failure: + nlmsg_free(msg); return -ENOBUFS; } -static int i802_set_rate_sets(void *priv, int *supp_rates, int *basic_rates, - int mode) -{ - struct i802_bss *bss = priv; - struct wpa_driver_nl80211_data *drv = bss->drv; - struct nl_msg *msg; - u8 rates[NL80211_MAX_SUPP_RATES]; - u8 rates_len = 0; - int i; - - msg = nlmsg_alloc(); - if (!msg) - return -ENOMEM; - - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_SET_BSS, 0); - - for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++) - rates[rates_len++] = basic_rates[i] / 5; - - NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates); - - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); - - return send_and_recv_msgs(drv, msg, NULL, NULL); - nla_put_failure: - return -ENOBUFS; -} - -#endif /* HOSTAPD */ - - -/* Set kernel driver on given frequency (MHz) */ -static int i802_set_freq(void *priv, struct hostapd_freq_params *freq) -{ - struct i802_bss *bss = priv; - struct wpa_driver_nl80211_data *drv = bss->drv; - return wpa_driver_nl80211_set_freq(drv, freq->freq, freq->ht_enabled, - freq->sec_channel_offset); -} - - -#ifdef HOSTAPD - static int i802_set_rts(void *priv, int rts) { struct i802_bss *bss = priv; @@ -4305,15 +7388,16 @@ static int i802_set_rts(void *priv, int rts) else val = rts; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_SET_WIPHY, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, val); ret = send_and_recv_msgs(drv, msg, NULL, NULL); + msg = NULL; if (!ret) return 0; nla_put_failure: + nlmsg_free(msg); wpa_printf(MSG_DEBUG, "nl80211: Failed to set RTS threshold %d: " "%d (%s)", rts, ret, strerror(-ret)); return ret; @@ -4337,15 +7421,16 @@ static int i802_set_frag(void *priv, int frag) else val = frag; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_SET_WIPHY, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, val); ret = send_and_recv_msgs(drv, msg, NULL, NULL); + msg = NULL; if (!ret) return 0; nla_put_failure: + nlmsg_free(msg); wpa_printf(MSG_DEBUG, "nl80211: Failed to set fragmentation threshold " "%d: %d (%s)", frag, ret, strerror(-ret)); return ret; @@ -4357,13 +7442,13 @@ static int i802_flush(void *priv) struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg; + int res; msg = nlmsg_alloc(); if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_DEL_STATION, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_DEL_STATION); /* * XXX: FIX! this needs to flush all VLANs too @@ -4371,11 +7456,19 @@ static int i802_flush(void *priv) NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); - return send_and_recv_msgs(drv, msg, NULL, NULL); + res = send_and_recv_msgs(drv, msg, NULL, NULL); + if (res) { + wpa_printf(MSG_DEBUG, "nl80211: Station flush failed: ret=%d " + "(%s)", res, strerror(-res)); + } + return res; nla_put_failure: + nlmsg_free(msg); return -ENOBUFS; } +#endif /* HOSTAPD || CONFIG_AP */ + static int get_sta_handler(struct nl_msg *msg, void *arg) { @@ -4389,6 +7482,7 @@ static int get_sta_handler(struct nl_msg *msg, void *arg) [NL80211_STA_INFO_TX_BYTES] = { .type = NLA_U32 }, [NL80211_STA_INFO_RX_PACKETS] = { .type = NLA_U32 }, [NL80211_STA_INFO_TX_PACKETS] = { .type = NLA_U32 }, + [NL80211_STA_INFO_TX_FAILED] = { .type = NLA_U32 }, }; nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), @@ -4424,6 +7518,9 @@ static int get_sta_handler(struct nl_msg *msg, void *arg) if (stats[NL80211_STA_INFO_TX_PACKETS]) data->tx_packets = nla_get_u32(stats[NL80211_STA_INFO_TX_PACKETS]); + if (stats[NL80211_STA_INFO_TX_FAILED]) + data->tx_retry_failed = + nla_get_u32(stats[NL80211_STA_INFO_TX_FAILED]); return NL_SKIP; } @@ -4440,18 +7537,20 @@ static int i802_read_sta_data(void *priv, struct hostap_sta_driver_data *data, if (!msg) return -ENOMEM; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_GET_STATION, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_GET_STATION); NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); return send_and_recv_msgs(drv, msg, get_sta_handler, data); nla_put_failure: + nlmsg_free(msg); return -ENOBUFS; } +#if defined(HOSTAPD) || defined(CONFIG_AP) + static int i802_set_tx_queue_params(void *priv, int queue, int aifs, int cw_min, int cw_max, int burst_time) { @@ -4464,8 +7563,7 @@ static int i802_set_tx_queue_params(void *priv, int queue, int aifs, if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_SET_WIPHY, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_WIPHY); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); @@ -4478,7 +7576,20 @@ static int i802_set_tx_queue_params(void *priv, int queue, int aifs, if (!params) goto nla_put_failure; - NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, queue); + switch (queue) { + case 0: + NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO); + break; + case 1: + NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI); + break; + case 2: + NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE); + break; + case 3: + NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK); + break; + } /* Burst time is configured in units of 0.1 msec and TXOP parameter in * 32 usec, so need to convert the value here. */ NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32); @@ -4492,57 +7603,13 @@ static int i802_set_tx_queue_params(void *priv, int queue, int aifs, if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) return 0; + msg = NULL; nla_put_failure: + nlmsg_free(msg); return -1; } -static int i802_set_bss(void *priv, int cts, int preamble, int slot) -{ - struct i802_bss *bss = priv; - struct wpa_driver_nl80211_data *drv = bss->drv; - struct nl_msg *msg; - - msg = nlmsg_alloc(); - if (!msg) - return -ENOMEM; - - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_SET_BSS, 0); - - if (cts >= 0) - NLA_PUT_U8(msg, NL80211_ATTR_BSS_CTS_PROT, cts); - if (preamble >= 0) - NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble); - if (slot >= 0) - NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot); - - NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); - - return send_and_recv_msgs(drv, msg, NULL, NULL); - nla_put_failure: - return -ENOBUFS; -} - - -static int i802_set_cts_protect(void *priv, int value) -{ - return i802_set_bss(priv, value, -1, -1); -} - - -static int i802_set_preamble(void *priv, int value) -{ - return i802_set_bss(priv, -1, value, -1); -} - - -static int i802_set_short_slot_time(void *priv, int value) -{ - return i802_set_bss(priv, -1, -1, value); -} - - static int i802_set_sta_vlan(void *priv, const u8 *addr, const char *ifname, int vlan_id) { @@ -4555,8 +7622,7 @@ static int i802_set_sta_vlan(void *priv, const u8 *addr, if (!msg) return -ENOMEM; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_SET_STATION, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_STATION); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); @@ -4565,6 +7631,7 @@ static int i802_set_sta_vlan(void *priv, const u8 *addr, if_nametoindex(ifname)); ret = send_and_recv_msgs(drv, msg, NULL, NULL); + msg = NULL; if (ret < 0) { wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr=" MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)", @@ -4572,53 +7639,11 @@ static int i802_set_sta_vlan(void *priv, const u8 *addr, strerror(-ret)); } nla_put_failure: + nlmsg_free(msg); return ret; } -static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val) -{ - struct i802_bss *bss = priv; - struct wpa_driver_nl80211_data *drv = bss->drv; - char name[IFNAMSIZ + 1]; - - os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid); - wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR - " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name); - if (val) { - if (nl80211_create_iface(drv, name, NL80211_IFTYPE_AP_VLAN, - NULL, 1) < 0) - return -1; - linux_set_iface_flags(drv->ioctl_sock, name, 1); - return i802_set_sta_vlan(priv, addr, name, 0); - } else { - i802_set_sta_vlan(priv, addr, bss->ifname, 0); - return wpa_driver_nl80211_if_remove(priv, WPA_IF_AP_VLAN, - name); - } -} - - -static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx) -{ - struct wpa_driver_nl80211_data *drv = eloop_ctx; - struct sockaddr_ll lladdr; - unsigned char buf[3000]; - int len; - socklen_t fromlen = sizeof(lladdr); - - len = recvfrom(sock, buf, sizeof(buf), 0, - (struct sockaddr *)&lladdr, &fromlen); - if (len < 0) { - perror("recv"); - return; - } - - if (have_ifidx(drv, lladdr.sll_ifindex)) - drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len); -} - - static int i802_get_inact_sec(void *priv, const u8 *addr) { struct hostap_sta_driver_data data; @@ -4645,8 +7670,12 @@ static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason) { struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; struct ieee80211_mgmt mgmt; + if (drv->device_ap_sme) + return wpa_driver_nl80211_sta_remove(bss, addr); + memset(&mgmt, 0, sizeof(mgmt)); mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_DEAUTH); @@ -4656,7 +7685,7 @@ static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, mgmt.u.deauth.reason_code = host_to_le16(reason); return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, IEEE80211_HDRLEN + - sizeof(mgmt.u.deauth)); + sizeof(mgmt.u.deauth), 0); } @@ -4664,8 +7693,12 @@ static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, int reason) { struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; struct ieee80211_mgmt mgmt; + if (drv->device_ap_sme) + return wpa_driver_nl80211_sta_remove(bss, addr); + memset(&mgmt, 0, sizeof(mgmt)); mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_DISASSOC); @@ -4675,30 +7708,155 @@ static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, mgmt.u.disassoc.reason_code = host_to_le16(reason); return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt, IEEE80211_HDRLEN + - sizeof(mgmt.u.disassoc)); + sizeof(mgmt.u.disassoc), 0); +} + +#endif /* HOSTAPD || CONFIG_AP */ + +#ifdef HOSTAPD + +static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) +{ + int i; + int *old; + + wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d", + ifidx); + for (i = 0; i < drv->num_if_indices; i++) { + if (drv->if_indices[i] == 0) { + drv->if_indices[i] = ifidx; + return; + } + } + + if (drv->if_indices != drv->default_if_indices) + old = drv->if_indices; + else + old = NULL; + + drv->if_indices = os_realloc_array(old, drv->num_if_indices + 1, + sizeof(int)); + if (!drv->if_indices) { + if (!old) + drv->if_indices = drv->default_if_indices; + else + drv->if_indices = old; + wpa_printf(MSG_ERROR, "Failed to reallocate memory for " + "interfaces"); + wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx); + return; + } else if (!old) + os_memcpy(drv->if_indices, drv->default_if_indices, + sizeof(drv->default_if_indices)); + drv->if_indices[drv->num_if_indices] = ifidx; + drv->num_if_indices++; +} + + +static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) +{ + int i; + + for (i = 0; i < drv->num_if_indices; i++) { + if (drv->if_indices[i] == ifidx) { + drv->if_indices[i] = 0; + break; + } + } +} + + +static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx) +{ + int i; + + for (i = 0; i < drv->num_if_indices; i++) + if (drv->if_indices[i] == ifidx) + return 1; + + return 0; +} + + +static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val, + const char *bridge_ifname) +{ + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + char name[IFNAMSIZ + 1]; + + os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid); + wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR + " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name); + if (val) { + if (!if_nametoindex(name)) { + if (nl80211_create_iface(drv, name, + NL80211_IFTYPE_AP_VLAN, + NULL, 1) < 0) + return -1; + if (bridge_ifname && + linux_br_add_if(drv->global->ioctl_sock, + bridge_ifname, name) < 0) + return -1; + } + if (linux_set_iface_flags(drv->global->ioctl_sock, name, 1)) { + wpa_printf(MSG_ERROR, "nl80211: Failed to set WDS STA " + "interface %s up", name); + } + return i802_set_sta_vlan(priv, addr, name, 0); + } else { + if (bridge_ifname) + linux_br_del_if(drv->global->ioctl_sock, bridge_ifname, + name); + + i802_set_sta_vlan(priv, addr, bss->ifname, 0); + return wpa_driver_nl80211_if_remove(priv, WPA_IF_AP_VLAN, + name); + } +} + + +static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx) +{ + struct wpa_driver_nl80211_data *drv = eloop_ctx; + struct sockaddr_ll lladdr; + unsigned char buf[3000]; + int len; + socklen_t fromlen = sizeof(lladdr); + + len = recvfrom(sock, buf, sizeof(buf), 0, + (struct sockaddr *)&lladdr, &fromlen); + if (len < 0) { + perror("recv"); + return; + } + + if (have_ifidx(drv, lladdr.sll_ifindex)) + drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len); } static int i802_check_bridge(struct wpa_driver_nl80211_data *drv, + struct i802_bss *bss, const char *brname, const char *ifname) { int ifindex; char in_br[IFNAMSIZ]; - os_strlcpy(drv->brname, brname, IFNAMSIZ); + os_strlcpy(bss->brname, brname, IFNAMSIZ); ifindex = if_nametoindex(brname); if (ifindex == 0) { /* * Bridge was configured, but the bridge device does * not exist. Try to add it now. */ - if (linux_br_add(drv->ioctl_sock, brname) < 0) { + if (linux_br_add(drv->global->ioctl_sock, brname) < 0) { wpa_printf(MSG_ERROR, "nl80211: Failed to add the " "bridge interface %s: %s", brname, strerror(errno)); return -1; } - drv->added_bridge = 1; + bss->added_bridge = 1; add_ifidx(drv, if_nametoindex(brname)); } @@ -4708,7 +7866,8 @@ static int i802_check_bridge(struct wpa_driver_nl80211_data *drv, wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from " "bridge %s", ifname, in_br); - if (linux_br_del_if(drv->ioctl_sock, in_br, ifname) < 0) { + if (linux_br_del_if(drv->global->ioctl_sock, in_br, ifname) < + 0) { wpa_printf(MSG_ERROR, "nl80211: Failed to " "remove interface %s from bridge " "%s: %s", @@ -4719,13 +7878,13 @@ static int i802_check_bridge(struct wpa_driver_nl80211_data *drv, wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s", ifname, brname); - if (linux_br_add_if(drv->ioctl_sock, brname, ifname) < 0) { + if (linux_br_add_if(drv->global->ioctl_sock, brname, ifname) < 0) { wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s " "into bridge %s: %s", ifname, brname, strerror(errno)); return -1; } - drv->added_if_into_bridge = 1; + bss->added_if_into_bridge = 1; return 0; } @@ -4741,11 +7900,15 @@ static void *i802_init(struct hostapd_data *hapd, int ifindex, br_ifindex; int br_added = 0; - bss = wpa_driver_nl80211_init(hapd, params->ifname); + bss = wpa_driver_nl80211_init(hapd, params->ifname, + params->global_priv); if (bss == NULL) return NULL; drv = bss->drv; + drv->nlmode = NL80211_IFTYPE_AP; + drv->eapol_sock = -1; + if (linux_br_get(brname, params->ifname) == 0) { wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s", params->ifname, brname); @@ -4773,26 +7936,26 @@ static void *i802_init(struct hostapd_data *hapd, /* start listening for EAPOL on the default AP interface */ add_ifidx(drv, drv->ifindex); - if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0)) + if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 0)) goto failed; if (params->bssid) { - if (linux_set_ifhwaddr(drv->ioctl_sock, bss->ifname, + if (linux_set_ifhwaddr(drv->global->ioctl_sock, bss->ifname, params->bssid)) goto failed; } - if (wpa_driver_nl80211_set_mode(bss, IEEE80211_MODE_AP)) { + if (wpa_driver_nl80211_set_mode(bss, drv->nlmode)) { wpa_printf(MSG_ERROR, "nl80211: Failed to set interface %s " "into AP mode", bss->ifname); goto failed; } if (params->num_bridge && params->bridge[0] && - i802_check_bridge(drv, params->bridge[0], params->ifname) < 0) + i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0) goto failed; - if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1)) + if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1)) goto failed; drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE)); @@ -4807,22 +7970,16 @@ static void *i802_init(struct hostapd_data *hapd, goto failed; } - if (linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, params->own_addr)) + if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, + params->own_addr)) goto failed; + memcpy(bss->addr, params->own_addr, ETH_ALEN); + return bss; failed: - nl80211_remove_monitor_interface(drv); - if (drv->ioctl_sock >= 0) - close(drv->ioctl_sock); - - genl_family_put(drv->nl80211); - nl_cache_free(drv->nl_cache); - nl_handle_destroy(drv->nl_handle); - nl_cb_put(drv->nl_cb); - - os_free(drv); + wpa_driver_nl80211_deinit(bss); return NULL; } @@ -4841,19 +7998,66 @@ static enum nl80211_iftype wpa_driver_nl80211_if_type( switch (type) { case WPA_IF_STATION: return NL80211_IFTYPE_STATION; + case WPA_IF_P2P_CLIENT: + case WPA_IF_P2P_GROUP: + return NL80211_IFTYPE_P2P_CLIENT; case WPA_IF_AP_VLAN: return NL80211_IFTYPE_AP_VLAN; case WPA_IF_AP_BSS: return NL80211_IFTYPE_AP; + case WPA_IF_P2P_GO: + return NL80211_IFTYPE_P2P_GO; } return -1; } +#ifdef CONFIG_P2P + +static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr) +{ + struct wpa_driver_nl80211_data *drv; + dl_list_for_each(drv, &global->interfaces, + struct wpa_driver_nl80211_data, list) { + if (os_memcmp(addr, drv->first_bss.addr, ETH_ALEN) == 0) + return 1; + } + return 0; +} + + +static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv, + u8 *new_addr) +{ + unsigned int idx; + + if (!drv->global) + return -1; + + os_memcpy(new_addr, drv->first_bss.addr, ETH_ALEN); + for (idx = 0; idx < 64; idx++) { + new_addr[0] = drv->first_bss.addr[0] | 0x02; + new_addr[0] ^= idx << 2; + if (!nl80211_addr_in_use(drv->global, new_addr)) + break; + } + if (idx == 64) + return -1; + + wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address " + MACSTR, MAC2STR(new_addr)); + + return 0; +} + +#endif /* CONFIG_P2P */ + + static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type, const char *ifname, const u8 *addr, void *bss_ctx, void **drv_priv, - char *force_ifname, u8 *if_addr) + char *force_ifname, u8 *if_addr, + const char *bridge) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; @@ -4881,26 +8085,81 @@ static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type, } if (!addr && - linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, if_addr) < 0) + linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, + if_addr) < 0) { + nl80211_remove_iface(drv, ifidx); return -1; + } + +#ifdef CONFIG_P2P + if (!addr && + (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP || + type == WPA_IF_P2P_GO)) { + /* Enforce unique P2P Interface Address */ + u8 new_addr[ETH_ALEN], own_addr[ETH_ALEN]; + + if (linux_get_ifhwaddr(drv->global->ioctl_sock, bss->ifname, + own_addr) < 0 || + linux_get_ifhwaddr(drv->global->ioctl_sock, ifname, + new_addr) < 0) { + nl80211_remove_iface(drv, ifidx); + return -1; + } + if (os_memcmp(own_addr, new_addr, ETH_ALEN) == 0) { + wpa_printf(MSG_DEBUG, "nl80211: Allocate new address " + "for P2P group interface"); + if (nl80211_p2p_interface_addr(drv, new_addr) < 0) { + nl80211_remove_iface(drv, ifidx); + return -1; + } + if (linux_set_ifhwaddr(drv->global->ioctl_sock, ifname, + new_addr) < 0) { + nl80211_remove_iface(drv, ifidx); + return -1; + } + } + os_memcpy(if_addr, new_addr, ETH_ALEN); + } +#endif /* CONFIG_P2P */ #ifdef HOSTAPD + if (bridge && + i802_check_bridge(drv, new_bss, bridge, ifname) < 0) { + wpa_printf(MSG_ERROR, "nl80211: Failed to add the new " + "interface %s to a bridge %s", ifname, bridge); + nl80211_remove_iface(drv, ifidx); + os_free(new_bss); + return -1; + } + if (type == WPA_IF_AP_BSS) { - if (linux_set_iface_flags(drv->ioctl_sock, ifname, 1)) { + if (linux_set_iface_flags(drv->global->ioctl_sock, ifname, 1)) + { nl80211_remove_iface(drv, ifidx); os_free(new_bss); return -1; } os_strlcpy(new_bss->ifname, ifname, IFNAMSIZ); + os_memcpy(new_bss->addr, if_addr, ETH_ALEN); new_bss->ifindex = ifidx; new_bss->drv = drv; new_bss->next = drv->first_bss.next; + new_bss->freq = drv->first_bss.freq; + new_bss->ctx = bss_ctx; drv->first_bss.next = new_bss; if (drv_priv) *drv_priv = new_bss; + nl80211_init_bss(new_bss); + + /* Subscribe management frames for this WPA_IF_AP_BSS */ + if (nl80211_setup_ap(new_bss)) + return -1; } #endif /* HOSTAPD */ + if (drv->global) + drv->global->if_add_ifindex = ifidx; + return 0; } @@ -4917,23 +8176,44 @@ static int wpa_driver_nl80211_if_remove(void *priv, __func__, type, ifname, ifindex); if (ifindex <= 0) return -1; + nl80211_remove_iface(drv, ifindex); #ifdef HOSTAPD if (type != WPA_IF_AP_BSS) return 0; - if (bss != &drv->first_bss) { - struct i802_bss *tbss = &drv->first_bss; + if (bss->added_if_into_bridge) { + if (linux_br_del_if(drv->global->ioctl_sock, bss->brname, + bss->ifname) < 0) + wpa_printf(MSG_INFO, "nl80211: Failed to remove " + "interface %s from bridge %s: %s", + bss->ifname, bss->brname, strerror(errno)); + } + if (bss->added_bridge) { + if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0) + wpa_printf(MSG_INFO, "nl80211: Failed to remove " + "bridge %s: %s", + bss->brname, strerror(errno)); + } - while (tbss) { - if (tbss->next != bss) - continue; + if (bss != &drv->first_bss) { + struct i802_bss *tbss; - tbss->next = bss->next; - os_free(bss); - break; + for (tbss = &drv->first_bss; tbss; tbss = tbss->next) { + if (tbss->next == bss) { + tbss->next = bss->next; + /* Unsubscribe management frames */ + nl80211_teardown_ap(bss); + nl80211_destroy_bss(bss); + os_free(bss); + bss = NULL; + break; + } } + if (bss) + wpa_printf(MSG_INFO, "nl80211: %s - could not find " + "BSS %p in the list", __func__, bss); } #endif /* HOSTAPD */ @@ -4954,21 +8234,77 @@ static int cookie_handler(struct nl_msg *msg, void *arg) } +static int nl80211_send_frame_cmd(struct i802_bss *bss, + unsigned int freq, unsigned int wait, + const u8 *buf, size_t buf_len, + u64 *cookie_out, int no_cck, int no_ack, + int offchanok) +{ + struct wpa_driver_nl80211_data *drv = bss->drv; + struct nl_msg *msg; + u64 cookie; + int ret = -1; + + msg = nlmsg_alloc(); + if (!msg) + return -1; + + wpa_printf(MSG_DEBUG, "nl80211: CMD_FRAME freq=%u wait=%u no_cck=%d " + "no_ack=%d offchanok=%d", + freq, wait, no_cck, no_ack, offchanok); + nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME); + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); + NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); + if (wait) + NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait); + if (offchanok && (drv->capa.flags & WPA_DRIVER_FLAGS_OFFCHANNEL_TX)) + NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK); + if (no_cck) + NLA_PUT_FLAG(msg, NL80211_ATTR_TX_NO_CCK_RATE); + if (no_ack) + NLA_PUT_FLAG(msg, NL80211_ATTR_DONT_WAIT_FOR_ACK); + + NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf); + + cookie = 0; + ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); + msg = NULL; + if (ret) { + wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d " + "(%s) (freq=%u wait=%u)", ret, strerror(-ret), + freq, wait); + goto nla_put_failure; + } + wpa_printf(MSG_DEBUG, "nl80211: Frame TX command accepted%s; " + "cookie 0x%llx", no_ack ? " (no ACK)" : "", + (long long unsigned int) cookie); + + if (cookie_out) + *cookie_out = no_ack ? (u64) -1 : cookie; + +nla_put_failure: + nlmsg_free(msg); + return ret; +} + + static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq, + unsigned int wait_time, const u8 *dst, const u8 *src, const u8 *bssid, - const u8 *data, size_t data_len) + const u8 *data, size_t data_len, + int no_cck) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; int ret = -1; - struct nl_msg *msg; u8 *buf; struct ieee80211_hdr *hdr; - u64 cookie; - wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d)", - drv->ifindex); + wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, " + "freq=%u MHz wait=%d ms no_cck=%d)", + drv->ifindex, freq, wait_time, no_cck); buf = os_zalloc(24 + data_len); if (buf == NULL) @@ -4981,44 +8317,46 @@ static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq, os_memcpy(hdr->addr2, src, ETH_ALEN); os_memcpy(hdr->addr3, bssid, ETH_ALEN); - if (drv->nlmode == NL80211_IFTYPE_AP) { - ret = wpa_driver_nl80211_send_mlme(priv, buf, 24 + data_len); - os_free(buf); - return ret; - } + if (is_ap_interface(drv->nlmode)) + ret = wpa_driver_nl80211_send_mlme_freq(priv, buf, + 24 + data_len, + 0, freq, no_cck, 1, + wait_time); + else + ret = nl80211_send_frame_cmd(bss, freq, wait_time, buf, + 24 + data_len, + &drv->send_action_cookie, + no_cck, 0, 1); + + os_free(buf); + return ret; +} + + +static void wpa_driver_nl80211_send_action_cancel_wait(void *priv) +{ + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + struct nl_msg *msg; + int ret; msg = nlmsg_alloc(); - if (!msg) { - os_free(buf); - return -1; - } + if (!msg) + return; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_ACTION, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_FRAME_WAIT_CANCEL); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); - NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); - NLA_PUT(msg, NL80211_ATTR_FRAME, 24 + data_len, buf); - os_free(buf); - buf = NULL; + NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie); - cookie = 0; - ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); + ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; - if (ret) { - wpa_printf(MSG_DEBUG, "nl80211: Action command failed: ret=%d " + if (ret) + wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d " "(%s)", ret, strerror(-ret)); - goto nla_put_failure; - } - wpa_printf(MSG_DEBUG, "nl80211: Action TX command accepted; " - "cookie 0x%llx", (long long unsigned int) cookie); - drv->send_action_cookie = cookie; - ret = 0; -nla_put_failure: - os_free(buf); + nla_put_failure: nlmsg_free(msg); - return ret; } @@ -5035,8 +8373,7 @@ static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq, if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_REMAIN_ON_CHANNEL, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_REMAIN_ON_CHANNEL); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq); @@ -5044,16 +8381,20 @@ static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq, cookie = 0; ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie); + msg = NULL; if (ret == 0) { wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel cookie " "0x%llx for freq=%u MHz duration=%u", (long long unsigned int) cookie, freq, duration); drv->remain_on_chan_cookie = cookie; + drv->pending_remain_on_chan = 1; return 0; } wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel " - "(freq=%d): %d (%s)", freq, ret, strerror(-ret)); + "(freq=%d duration=%u): %d (%s)", + freq, duration, ret, strerror(-ret)); nla_put_failure: + nlmsg_free(msg); return -1; } @@ -5079,76 +8420,75 @@ static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv) if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->remain_on_chan_cookie); ret = send_and_recv_msgs(drv, msg, NULL, NULL); + msg = NULL; if (ret == 0) return 0; wpa_printf(MSG_DEBUG, "nl80211: Failed to cancel remain-on-channel: " "%d (%s)", ret, strerror(-ret)); nla_put_failure: + nlmsg_free(msg); return -1; } -static void wpa_driver_nl80211_probe_req_report_timeout(void *eloop_ctx, - void *timeout_ctx) -{ - struct wpa_driver_nl80211_data *drv = eloop_ctx; - if (drv->monitor_ifidx < 0) - return; /* monitor interface already removed */ - - if (drv->nlmode != NL80211_IFTYPE_STATION) - return; /* not in station mode anymore */ - - if (drv->probe_req_report) - return; /* reporting enabled */ - - wpa_printf(MSG_DEBUG, "nl80211: Remove monitor interface due to no " - "Probe Request reporting needed anymore"); - nl80211_remove_monitor_interface(drv); -} - - static int wpa_driver_nl80211_probe_req_report(void *priv, int report) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; - if (drv->nlmode != NL80211_IFTYPE_STATION) { - wpa_printf(MSG_DEBUG, "nl80211: probe_req_report control only " - "allowed in station mode (iftype=%d)", - drv->nlmode); - return -1; + if (!report) { + if (bss->nl_preq && drv->device_ap_sme && + is_ap_interface(drv->nlmode)) { + /* + * Do not disable Probe Request reporting that was + * enabled in nl80211_setup_ap(). + */ + wpa_printf(MSG_DEBUG, "nl80211: Skip disabling of " + "Probe Request reporting nl_preq=%p while " + "in AP mode", bss->nl_preq); + } else if (bss->nl_preq) { + wpa_printf(MSG_DEBUG, "nl80211: Disable Probe Request " + "reporting nl_preq=%p", bss->nl_preq); + eloop_unregister_read_sock( + nl_socket_get_fd(bss->nl_preq)); + nl_destroy_handles(&bss->nl_preq); + } + return 0; } - drv->probe_req_report = report; - if (report) { - eloop_cancel_timeout( - wpa_driver_nl80211_probe_req_report_timeout, - drv, NULL); - if (drv->monitor_ifidx < 0 && - nl80211_create_monitor_interface(drv)) - return -1; - } else { - /* - * It takes a while to remove the monitor interface, so try to - * avoid doing this if it is needed again shortly. Instead, - * schedule the interface to be removed later if no need for it - * is seen. - */ - wpa_printf(MSG_DEBUG, "nl80211: Scheduling monitor interface " - "to be removed after 10 seconds of no use"); - eloop_register_timeout( - 10, 0, wpa_driver_nl80211_probe_req_report_timeout, - drv, NULL); + if (bss->nl_preq) { + wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting " + "already on! nl_preq=%p", bss->nl_preq); + return 0; } + bss->nl_preq = nl_create_handle(drv->global->nl_cb, "preq"); + if (bss->nl_preq == NULL) + return -1; + wpa_printf(MSG_DEBUG, "nl80211: Enable Probe Request " + "reporting nl_preq=%p", bss->nl_preq); + + if (nl80211_register_frame(bss, bss->nl_preq, + (WLAN_FC_TYPE_MGMT << 2) | + (WLAN_FC_STYPE_PROBE_REQ << 4), + NULL, 0) < 0) + goto out_err; + + eloop_register_read_sock(nl_socket_get_fd(bss->nl_preq), + wpa_driver_nl80211_event_receive, bss->nl_cb, + bss->nl_preq); + return 0; + + out_err: + nl_destroy_handles(&bss->nl_preq); + return -1; } @@ -5163,8 +8503,7 @@ static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, - NL80211_CMD_SET_TX_BITRATE_MASK, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_TX_BITRATE_MASK); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex); bands = nla_nest_start(msg, NL80211_ATTR_TX_RATES); @@ -5179,8 +8518,10 @@ static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, band = nla_nest_start(msg, NL80211_BAND_2GHZ); if (!band) goto nla_put_failure; - NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8, - "\x0c\x12\x18\x24\x30\x48\x60\x6c"); + if (disabled) { + NLA_PUT(msg, NL80211_TXRATE_LEGACY, 8, + "\x0c\x12\x18\x24\x30\x48\x60\x6c"); + } nla_nest_end(msg, band); nla_nest_end(msg, bands); @@ -5190,7 +8531,8 @@ static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv, if (ret) { wpa_printf(MSG_DEBUG, "nl80211: Set TX rates failed: ret=%d " "(%s)", ret, strerror(-ret)); - } + } else + drv->disabled_11b_rates = disabled; return ret; @@ -5200,23 +8542,24 @@ nla_put_failure: } -static int wpa_driver_nl80211_disable_11b_rates(void *priv, int disabled) +static int wpa_driver_nl80211_deinit_ap(void *priv) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; - drv->disable_11b_rates = disabled; - return nl80211_disable_11b_rates(drv, drv->ifindex, disabled); + if (!is_ap_interface(drv->nlmode)) + return -1; + wpa_driver_nl80211_del_beacon(drv); + return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); } -static int wpa_driver_nl80211_deinit_ap(void *priv) +static int wpa_driver_nl80211_deinit_p2p_cli(void *priv) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; - if (drv->nlmode != NL80211_IFTYPE_AP) + if (drv->nlmode != NL80211_IFTYPE_P2P_CLIENT) return -1; - wpa_driver_nl80211_del_beacon(drv); - return wpa_driver_nl80211_set_mode(priv, IEEE80211_MODE_INFRA); + return wpa_driver_nl80211_set_mode(priv, NL80211_IFTYPE_STATION); } @@ -5224,7 +8567,7 @@ static void wpa_driver_nl80211_resume(void *priv) { struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; - if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1)) { + if (linux_set_iface_flags(drv->global->ioctl_sock, bss->ifname, 1)) { wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface up on " "resume event"); } @@ -5239,10 +8582,7 @@ static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap, int ret; u8 *data, *pos; size_t data_len; - u8 own_addr[ETH_ALEN]; - - if (linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, own_addr) < 0) - return -1; + const u8 *own_addr = bss->addr; if (action != 1) { wpa_printf(MSG_ERROR, "nl80211: Unsupported send_ft_action " @@ -5272,9 +8612,9 @@ static int nl80211_send_ft_action(void *priv, u8 action, const u8 *target_ap, pos += ETH_ALEN; os_memcpy(pos, ies, ies_len); - ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, drv->bssid, - own_addr, drv->bssid, - data, data_len); + ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0, + drv->bssid, own_addr, drv->bssid, + data, data_len, 0); os_free(data); return ret; @@ -5286,6 +8626,7 @@ static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis) struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; struct nl_msg *msg, *cqm = NULL; + int ret = -1; wpa_printf(MSG_DEBUG, "nl80211: Signal monitor threshold=%d " "hysteresis=%d", threshold, hysteresis); @@ -5294,28 +8635,82 @@ static int nl80211_signal_monitor(void *priv, int threshold, int hysteresis) if (!msg) return -1; - genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, - 0, NL80211_CMD_SET_CQM, 0); + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_CQM); NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); cqm = nlmsg_alloc(); if (cqm == NULL) - return -1; + goto nla_put_failure; NLA_PUT_U32(cqm, NL80211_ATTR_CQM_RSSI_THOLD, threshold); NLA_PUT_U32(cqm, NL80211_ATTR_CQM_RSSI_HYST, hysteresis); - nla_put_nested(msg, NL80211_ATTR_CQM, cqm); + if (nla_put_nested(msg, NL80211_ATTR_CQM, cqm) < 0) + goto nla_put_failure; - if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0) - return 0; + ret = send_and_recv_msgs(drv, msg, NULL, NULL); msg = NULL; nla_put_failure: - if (cqm) - nlmsg_free(cqm); + nlmsg_free(cqm); nlmsg_free(msg); - return -1; + return ret; +} + + +static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si) +{ + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + int res; + + os_memset(si, 0, sizeof(*si)); + res = nl80211_get_link_signal(drv, si); + if (res != 0) + return res; + + return nl80211_get_link_noise(drv, si); +} + + +static int wpa_driver_nl80211_shared_freq(void *priv) +{ + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + struct wpa_driver_nl80211_data *driver; + int freq = 0; + + /* + * If the same PHY is in connected state with some other interface, + * then retrieve the assoc freq. + */ + wpa_printf(MSG_DEBUG, "nl80211: Get shared freq for PHY %s", + drv->phyname); + + dl_list_for_each(driver, &drv->global->interfaces, + struct wpa_driver_nl80211_data, list) { + if (drv == driver || + os_strcmp(drv->phyname, driver->phyname) != 0 || + !driver->associated) + continue; + + wpa_printf(MSG_DEBUG, "nl80211: Found a match for PHY %s - %s " + MACSTR, + driver->phyname, driver->first_bss.ifname, + MAC2STR(driver->first_bss.addr)); + if (is_ap_interface(driver->nlmode)) + freq = driver->first_bss.freq; + else + freq = nl80211_get_assoc_freq(driver); + wpa_printf(MSG_DEBUG, "nl80211: Shared freq for PHY %s: %d", + drv->phyname, freq); + } + + if (!freq) + wpa_printf(MSG_DEBUG, "nl80211: No shared interface for " + "PHY (%s) in associated state", drv->phyname); + + return freq; } @@ -5323,11 +8718,523 @@ static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len, int encrypt) { struct i802_bss *bss = priv; + return wpa_driver_nl80211_send_frame(bss, data, data_len, encrypt, 0, + 0, 0, 0, 0); +} + + +static int nl80211_set_param(void *priv, const char *param) +{ + wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param); + if (param == NULL) + return 0; + +#ifdef CONFIG_P2P + if (os_strstr(param, "use_p2p_group_interface=1")) { + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + + wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group " + "interface"); + drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT; + drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P; + } +#endif /* CONFIG_P2P */ + + return 0; +} + + +static void * nl80211_global_init(void) +{ + struct nl80211_global *global; + struct netlink_config *cfg; + + global = os_zalloc(sizeof(*global)); + if (global == NULL) + return NULL; + global->ioctl_sock = -1; + dl_list_init(&global->interfaces); + global->if_add_ifindex = -1; + + cfg = os_zalloc(sizeof(*cfg)); + if (cfg == NULL) + goto err; + + cfg->ctx = global; + cfg->newlink_cb = wpa_driver_nl80211_event_rtm_newlink; + cfg->dellink_cb = wpa_driver_nl80211_event_rtm_dellink; + global->netlink = netlink_init(cfg); + if (global->netlink == NULL) { + os_free(cfg); + goto err; + } + + if (wpa_driver_nl80211_init_nl_global(global) < 0) + goto err; + + global->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0); + if (global->ioctl_sock < 0) { + perror("socket(PF_INET,SOCK_DGRAM)"); + goto err; + } + + return global; + +err: + nl80211_global_deinit(global); + return NULL; +} + + +static void nl80211_global_deinit(void *priv) +{ + struct nl80211_global *global = priv; + if (global == NULL) + return; + if (!dl_list_empty(&global->interfaces)) { + wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at " + "nl80211_global_deinit", + dl_list_len(&global->interfaces)); + } + + if (global->netlink) + netlink_deinit(global->netlink); + + nl_destroy_handles(&global->nl); + + if (global->nl_event) { + eloop_unregister_read_sock( + nl_socket_get_fd(global->nl_event)); + nl_destroy_handles(&global->nl_event); + } + + nl_cb_put(global->nl_cb); + + if (global->ioctl_sock >= 0) + close(global->ioctl_sock); + + os_free(global); +} + + +static const char * nl80211_get_radio_name(void *priv) +{ + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + return drv->phyname; +} + + +static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid, + const u8 *pmkid) +{ + struct nl_msg *msg; + + msg = nlmsg_alloc(); + if (!msg) + return -ENOMEM; + + nl80211_cmd(bss->drv, msg, 0, cmd); + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname)); + if (pmkid) + NLA_PUT(msg, NL80211_ATTR_PMKID, 16, pmkid); + if (bssid) + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid); + + return send_and_recv_msgs(bss->drv, msg, NULL, NULL); + nla_put_failure: + nlmsg_free(msg); + return -ENOBUFS; +} + + +static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid) +{ + struct i802_bss *bss = priv; + wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid)); + return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid); +} + + +static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid) +{ + struct i802_bss *bss = priv; + wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR, + MAC2STR(bssid)); + return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid); +} + + +static int nl80211_flush_pmkid(void *priv) +{ + struct i802_bss *bss = priv; + wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs"); + return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL); +} + + +static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck, + const u8 *replay_ctr) +{ + struct i802_bss *bss = priv; struct wpa_driver_nl80211_data *drv = bss->drv; - return wpa_driver_nl80211_send_frame(drv, data, data_len, encrypt); + struct nlattr *replay_nested; + struct nl_msg *msg; + + msg = nlmsg_alloc(); + if (!msg) + return; + + nl80211_cmd(drv, msg, 0, NL80211_CMD_SET_REKEY_OFFLOAD); + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); + + replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); + if (!replay_nested) + goto nla_put_failure; + + NLA_PUT(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek); + NLA_PUT(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck); + NLA_PUT(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN, + replay_ctr); + + nla_nest_end(msg, replay_nested); + + send_and_recv_msgs(drv, msg, NULL, NULL); + return; + nla_put_failure: + nlmsg_free(msg); } +static void nl80211_send_null_frame(struct i802_bss *bss, const u8 *own_addr, + const u8 *addr, int qos) +{ + /* send data frame to poll STA and check whether + * this frame is ACKed */ + struct { + struct ieee80211_hdr hdr; + u16 qos_ctl; + } STRUCT_PACKED nulldata; + size_t size; + + /* Send data frame to poll STA and check whether this frame is ACKed */ + + os_memset(&nulldata, 0, sizeof(nulldata)); + + if (qos) { + nulldata.hdr.frame_control = + IEEE80211_FC(WLAN_FC_TYPE_DATA, + WLAN_FC_STYPE_QOS_NULL); + size = sizeof(nulldata); + } else { + nulldata.hdr.frame_control = + IEEE80211_FC(WLAN_FC_TYPE_DATA, + WLAN_FC_STYPE_NULLFUNC); + size = sizeof(struct ieee80211_hdr); + } + + nulldata.hdr.frame_control |= host_to_le16(WLAN_FC_FROMDS); + os_memcpy(nulldata.hdr.IEEE80211_DA_FROMDS, addr, ETH_ALEN); + os_memcpy(nulldata.hdr.IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN); + os_memcpy(nulldata.hdr.IEEE80211_SA_FROMDS, own_addr, ETH_ALEN); + + if (wpa_driver_nl80211_send_mlme(bss, (u8 *) &nulldata, size, 0) < 0) + wpa_printf(MSG_DEBUG, "nl80211_send_null_frame: Failed to " + "send poll frame"); +} + +static void nl80211_poll_client(void *priv, const u8 *own_addr, const u8 *addr, + int qos) +{ + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + struct nl_msg *msg; + + if (!drv->poll_command_supported) { + nl80211_send_null_frame(bss, own_addr, addr, qos); + return; + } + + msg = nlmsg_alloc(); + if (!msg) + return; + + nl80211_cmd(drv, msg, 0, NL80211_CMD_PROBE_CLIENT); + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr); + + send_and_recv_msgs(drv, msg, NULL, NULL); + return; + nla_put_failure: + nlmsg_free(msg); +} + + +static int nl80211_set_power_save(struct i802_bss *bss, int enabled) +{ + struct nl_msg *msg; + + msg = nlmsg_alloc(); + if (!msg) + return -ENOMEM; + + nl80211_cmd(bss->drv, msg, 0, NL80211_CMD_SET_POWER_SAVE); + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, bss->ifindex); + NLA_PUT_U32(msg, NL80211_ATTR_PS_STATE, + enabled ? NL80211_PS_ENABLED : NL80211_PS_DISABLED); + return send_and_recv_msgs(bss->drv, msg, NULL, NULL); +nla_put_failure: + nlmsg_free(msg); + return -ENOBUFS; +} + + +static int nl80211_set_p2p_powersave(void *priv, int legacy_ps, int opp_ps, + int ctwindow) +{ + struct i802_bss *bss = priv; + + wpa_printf(MSG_DEBUG, "nl80211: set_p2p_powersave (legacy_ps=%d " + "opp_ps=%d ctwindow=%d)", legacy_ps, opp_ps, ctwindow); + + if (opp_ps != -1 || ctwindow != -1) + return -1; /* Not yet supported */ + + if (legacy_ps == -1) + return 0; + if (legacy_ps != 0 && legacy_ps != 1) + return -1; /* Not yet supported */ + + return nl80211_set_power_save(bss, legacy_ps); +} + + +#ifdef CONFIG_TDLS + +static int nl80211_send_tdls_mgmt(void *priv, const u8 *dst, u8 action_code, + u8 dialog_token, u16 status_code, + const u8 *buf, size_t len) +{ + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + struct nl_msg *msg; + + if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) + return -EOPNOTSUPP; + + if (!dst) + return -EINVAL; + + msg = nlmsg_alloc(); + if (!msg) + return -ENOMEM; + + nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_MGMT); + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst); + NLA_PUT_U8(msg, NL80211_ATTR_TDLS_ACTION, action_code); + NLA_PUT_U8(msg, NL80211_ATTR_TDLS_DIALOG_TOKEN, dialog_token); + NLA_PUT_U16(msg, NL80211_ATTR_STATUS_CODE, status_code); + NLA_PUT(msg, NL80211_ATTR_IE, len, buf); + + return send_and_recv_msgs(drv, msg, NULL, NULL); + +nla_put_failure: + nlmsg_free(msg); + return -ENOBUFS; +} + + +static int nl80211_tdls_oper(void *priv, enum tdls_oper oper, const u8 *peer) +{ + struct i802_bss *bss = priv; + struct wpa_driver_nl80211_data *drv = bss->drv; + struct nl_msg *msg; + enum nl80211_tdls_operation nl80211_oper; + + if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)) + return -EOPNOTSUPP; + + switch (oper) { + case TDLS_DISCOVERY_REQ: + nl80211_oper = NL80211_TDLS_DISCOVERY_REQ; + break; + case TDLS_SETUP: + nl80211_oper = NL80211_TDLS_SETUP; + break; + case TDLS_TEARDOWN: + nl80211_oper = NL80211_TDLS_TEARDOWN; + break; + case TDLS_ENABLE_LINK: + nl80211_oper = NL80211_TDLS_ENABLE_LINK; + break; + case TDLS_DISABLE_LINK: + nl80211_oper = NL80211_TDLS_DISABLE_LINK; + break; + case TDLS_ENABLE: + return 0; + case TDLS_DISABLE: + return 0; + default: + return -EINVAL; + } + + msg = nlmsg_alloc(); + if (!msg) + return -ENOMEM; + + nl80211_cmd(drv, msg, 0, NL80211_CMD_TDLS_OPER); + NLA_PUT_U8(msg, NL80211_ATTR_TDLS_OPERATION, nl80211_oper); + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); + NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, peer); + + return send_and_recv_msgs(drv, msg, NULL, NULL); + +nla_put_failure: + nlmsg_free(msg); + return -ENOBUFS; +} + +#endif /* CONFIG TDLS */ + + +#ifdef ANDROID + +typedef struct android_wifi_priv_cmd { + char *buf; + int used_len; + int total_len; +} android_wifi_priv_cmd; + +static int drv_errors = 0; + +static void wpa_driver_send_hang_msg(struct wpa_driver_nl80211_data *drv) +{ + drv_errors++; + if (drv_errors > DRV_NUMBER_SEQUENTIAL_ERRORS) { + drv_errors = 0; + wpa_msg(drv->ctx, MSG_INFO, WPA_EVENT_DRIVER_STATE "HANGED"); + } +} + + +static int android_priv_cmd(struct i802_bss *bss, const char *cmd) +{ + struct wpa_driver_nl80211_data *drv = bss->drv; + struct ifreq ifr; + android_wifi_priv_cmd priv_cmd; + char buf[MAX_DRV_CMD_SIZE]; + int ret; + + os_memset(&ifr, 0, sizeof(ifr)); + os_memset(&priv_cmd, 0, sizeof(priv_cmd)); + os_strlcpy(ifr.ifr_name, bss->ifname, IFNAMSIZ); + + os_memset(buf, 0, sizeof(buf)); + os_strlcpy(buf, cmd, sizeof(buf)); + + priv_cmd.buf = buf; + priv_cmd.used_len = sizeof(buf); + priv_cmd.total_len = sizeof(buf); + ifr.ifr_data = &priv_cmd; + + ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr); + if (ret < 0) { + wpa_printf(MSG_ERROR, "%s: failed to issue private commands", + __func__); + wpa_driver_send_hang_msg(drv); + return ret; + } + + drv_errors = 0; + return 0; +} + + +static int android_pno_start(struct i802_bss *bss, + struct wpa_driver_scan_params *params) +{ + struct wpa_driver_nl80211_data *drv = bss->drv; + struct ifreq ifr; + android_wifi_priv_cmd priv_cmd; + int ret = 0, i = 0, bp; + char buf[WEXT_PNO_MAX_COMMAND_SIZE]; + + bp = WEXT_PNOSETUP_HEADER_SIZE; + os_memcpy(buf, WEXT_PNOSETUP_HEADER, bp); + buf[bp++] = WEXT_PNO_TLV_PREFIX; + buf[bp++] = WEXT_PNO_TLV_VERSION; + buf[bp++] = WEXT_PNO_TLV_SUBVERSION; + buf[bp++] = WEXT_PNO_TLV_RESERVED; + + while (i < WEXT_PNO_AMOUNT && (size_t) i < params->num_ssids) { + /* Check that there is enough space needed for 1 more SSID, the + * other sections and null termination */ + if ((bp + WEXT_PNO_SSID_HEADER_SIZE + MAX_SSID_LEN + + WEXT_PNO_NONSSID_SECTIONS_SIZE + 1) >= (int) sizeof(buf)) + break; + wpa_hexdump_ascii(MSG_DEBUG, "For PNO Scan", + params->ssids[i].ssid, + params->ssids[i].ssid_len); + buf[bp++] = WEXT_PNO_SSID_SECTION; + buf[bp++] = params->ssids[i].ssid_len; + os_memcpy(&buf[bp], params->ssids[i].ssid, + params->ssids[i].ssid_len); + bp += params->ssids[i].ssid_len; + i++; + } + + buf[bp++] = WEXT_PNO_SCAN_INTERVAL_SECTION; + os_snprintf(&buf[bp], WEXT_PNO_SCAN_INTERVAL_LENGTH + 1, "%x", + WEXT_PNO_SCAN_INTERVAL); + bp += WEXT_PNO_SCAN_INTERVAL_LENGTH; + + buf[bp++] = WEXT_PNO_REPEAT_SECTION; + os_snprintf(&buf[bp], WEXT_PNO_REPEAT_LENGTH + 1, "%x", + WEXT_PNO_REPEAT); + bp += WEXT_PNO_REPEAT_LENGTH; + + buf[bp++] = WEXT_PNO_MAX_REPEAT_SECTION; + os_snprintf(&buf[bp], WEXT_PNO_MAX_REPEAT_LENGTH + 1, "%x", + WEXT_PNO_MAX_REPEAT); + bp += WEXT_PNO_MAX_REPEAT_LENGTH + 1; + + memset(&ifr, 0, sizeof(ifr)); + memset(&priv_cmd, 0, sizeof(priv_cmd)); + os_strncpy(ifr.ifr_name, bss->ifname, IFNAMSIZ); + + priv_cmd.buf = buf; + priv_cmd.used_len = bp; + priv_cmd.total_len = bp; + ifr.ifr_data = &priv_cmd; + + ret = ioctl(drv->global->ioctl_sock, SIOCDEVPRIVATE + 1, &ifr); + + if (ret < 0) { + wpa_printf(MSG_ERROR, "ioctl[SIOCSIWPRIV] (pnosetup): %d", + ret); + wpa_driver_send_hang_msg(drv); + return ret; + } + + drv_errors = 0; + + return android_priv_cmd(bss, "PNOFORCE 1"); +} + + +static int android_pno_stop(struct i802_bss *bss) +{ + return android_priv_cmd(bss, "PNOFORCE 0"); +} + +#endif /* ANDROID */ + + const struct wpa_driver_ops wpa_driver_nl80211_ops = { .name = "nl80211", .desc = "Linux nl80211/cfg80211", @@ -5335,18 +9242,21 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = { .get_ssid = wpa_driver_nl80211_get_ssid, .set_key = wpa_driver_nl80211_set_key, .scan2 = wpa_driver_nl80211_scan, + .sched_scan = wpa_driver_nl80211_sched_scan, + .stop_sched_scan = wpa_driver_nl80211_stop_sched_scan, .get_scan_results2 = wpa_driver_nl80211_get_scan_results, .deauthenticate = wpa_driver_nl80211_deauthenticate, - .disassociate = wpa_driver_nl80211_disassociate, .authenticate = wpa_driver_nl80211_authenticate, .associate = wpa_driver_nl80211_associate, - .init = wpa_driver_nl80211_init, + .global_init = nl80211_global_init, + .global_deinit = nl80211_global_deinit, + .init2 = wpa_driver_nl80211_init, .deinit = wpa_driver_nl80211_deinit, .get_capa = wpa_driver_nl80211_get_capa, .set_operstate = wpa_driver_nl80211_set_operstate, .set_supp_port = wpa_driver_nl80211_set_supp_port, .set_country = wpa_driver_nl80211_set_country, - .set_beacon = wpa_driver_nl80211_set_beacon, + .set_ap = wpa_driver_nl80211_set_ap, .if_add = wpa_driver_nl80211_if_add, .if_remove = wpa_driver_nl80211_if_remove, .send_mlme = wpa_driver_nl80211_send_mlme, @@ -5358,33 +9268,46 @@ const struct wpa_driver_ops wpa_driver_nl80211_ops = { #ifdef HOSTAPD .hapd_init = i802_init, .hapd_deinit = i802_deinit, + .set_wds_sta = i802_set_wds_sta, +#endif /* HOSTAPD */ +#if defined(HOSTAPD) || defined(CONFIG_AP) .get_seqnum = i802_get_seqnum, .flush = i802_flush, - .read_sta_data = i802_read_sta_data, - .sta_deauth = i802_sta_deauth, - .sta_disassoc = i802_sta_disassoc, .get_inact_sec = i802_get_inact_sec, .sta_clear_stats = i802_sta_clear_stats, .set_rts = i802_set_rts, .set_frag = i802_set_frag, - .set_rate_sets = i802_set_rate_sets, - .set_cts_protect = i802_set_cts_protect, - .set_preamble = i802_set_preamble, - .set_short_slot_time = i802_set_short_slot_time, .set_tx_queue_params = i802_set_tx_queue_params, .set_sta_vlan = i802_set_sta_vlan, - .set_wds_sta = i802_set_wds_sta, -#endif /* HOSTAPD */ + .sta_deauth = i802_sta_deauth, + .sta_disassoc = i802_sta_disassoc, +#endif /* HOSTAPD || CONFIG_AP */ + .read_sta_data = i802_read_sta_data, .set_freq = i802_set_freq, .send_action = wpa_driver_nl80211_send_action, + .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait, .remain_on_channel = wpa_driver_nl80211_remain_on_channel, .cancel_remain_on_channel = wpa_driver_nl80211_cancel_remain_on_channel, .probe_req_report = wpa_driver_nl80211_probe_req_report, - .disable_11b_rates = wpa_driver_nl80211_disable_11b_rates, .deinit_ap = wpa_driver_nl80211_deinit_ap, + .deinit_p2p_cli = wpa_driver_nl80211_deinit_p2p_cli, .resume = wpa_driver_nl80211_resume, .send_ft_action = nl80211_send_ft_action, .signal_monitor = nl80211_signal_monitor, + .signal_poll = nl80211_signal_poll, .send_frame = nl80211_send_frame, + .shared_freq = wpa_driver_nl80211_shared_freq, + .set_param = nl80211_set_param, + .get_radio_name = nl80211_get_radio_name, + .add_pmkid = nl80211_add_pmkid, + .remove_pmkid = nl80211_remove_pmkid, + .flush_pmkid = nl80211_flush_pmkid, + .set_rekey_info = nl80211_set_rekey_info, + .poll_client = nl80211_poll_client, + .set_p2p_powersave = nl80211_set_p2p_powersave, +#ifdef CONFIG_TDLS + .send_tdls_mgmt = nl80211_send_tdls_mgmt, + .tdls_oper = nl80211_tdls_oper, +#endif /* CONFIG_TDLS */ }; 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