diff options
Diffstat (limited to 'src/common/wpa_ctrl.c')
-rw-r--r-- | src/common/wpa_ctrl.c | 134 |
1 files changed, 107 insertions, 27 deletions
diff --git a/src/common/wpa_ctrl.c b/src/common/wpa_ctrl.c index 58cbe6a0d1c9..ccaaf1b056b5 100644 --- a/src/common/wpa_ctrl.c +++ b/src/common/wpa_ctrl.c @@ -25,6 +25,10 @@ #include "private/android_filesystem_config.h" #endif /* ANDROID */ +#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 +#include <net/if.h> +#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ + #include "wpa_ctrl.h" #include "common.h" @@ -46,8 +50,13 @@ struct wpa_ctrl { #ifdef CONFIG_CTRL_IFACE_UDP int s; +#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 + struct sockaddr_in6 local; + struct sockaddr_in6 dest; +#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ struct sockaddr_in local; struct sockaddr_in dest; +#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ char *cookie; char *remote_ifname; char *remote_ip; @@ -82,10 +91,12 @@ struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) int tries = 0; int flags; - ctrl = os_malloc(sizeof(*ctrl)); + if (ctrl_path == NULL) + return NULL; + + ctrl = os_zalloc(sizeof(*ctrl)); if (ctrl == NULL) return NULL; - os_memset(ctrl, 0, sizeof(*ctrl)); ctrl->s = socket(PF_UNIX, SOCK_DGRAM, 0); if (ctrl->s < 0) { @@ -100,7 +111,7 @@ try_again: CONFIG_CTRL_IFACE_CLIENT_DIR "/" CONFIG_CTRL_IFACE_CLIENT_PREFIX "%d-%d", (int) getpid(), counter); - if (ret < 0 || (size_t) ret >= sizeof(ctrl->local.sun_path)) { + if (os_snprintf_error(sizeof(ctrl->local.sun_path), ret)) { close(ctrl->s); os_free(ctrl); return NULL; @@ -126,13 +137,27 @@ try_again: #ifdef ANDROID chmod(ctrl->local.sun_path, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); chown(ctrl->local.sun_path, AID_SYSTEM, AID_WIFI); + + if (os_strncmp(ctrl_path, "@android:", 9) == 0) { + if (socket_local_client_connect( + ctrl->s, ctrl_path + 9, + ANDROID_SOCKET_NAMESPACE_RESERVED, + SOCK_DGRAM) < 0) { + close(ctrl->s); + unlink(ctrl->local.sun_path); + os_free(ctrl); + return NULL; + } + return ctrl; + } + /* * If the ctrl_path isn't an absolute pathname, assume that * it's the name of a socket in the Android reserved namespace. * Otherwise, it's a normal UNIX domain socket appearing in the * filesystem. */ - if (ctrl_path != NULL && *ctrl_path != '/') { + if (*ctrl_path != '/') { char buf[21]; os_snprintf(buf, sizeof(buf), "wpa_%s", ctrl_path); if (socket_local_client_connect( @@ -149,12 +174,18 @@ try_again: #endif /* ANDROID */ ctrl->dest.sun_family = AF_UNIX; - res = os_strlcpy(ctrl->dest.sun_path, ctrl_path, - sizeof(ctrl->dest.sun_path)); - if (res >= sizeof(ctrl->dest.sun_path)) { - close(ctrl->s); - os_free(ctrl); - return NULL; + if (os_strncmp(ctrl_path, "@abstract:", 10) == 0) { + ctrl->dest.sun_path[0] = '\0'; + os_strlcpy(ctrl->dest.sun_path + 1, ctrl_path + 10, + sizeof(ctrl->dest.sun_path) - 1); + } else { + res = os_strlcpy(ctrl->dest.sun_path, ctrl_path, + sizeof(ctrl->dest.sun_path)); + if (res >= sizeof(ctrl->dest.sun_path)) { + close(ctrl->s); + os_free(ctrl); + return NULL; + } } if (connect(ctrl->s, (struct sockaddr *) &ctrl->dest, sizeof(ctrl->dest)) < 0) { @@ -206,7 +237,6 @@ void wpa_ctrl_cleanup(void) struct dirent entry; struct dirent *result; size_t dirnamelen; - int prefixlen = os_strlen(CONFIG_CTRL_IFACE_CLIENT_PREFIX); size_t maxcopy; char pathname[PATH_MAX]; char *namep; @@ -223,11 +253,8 @@ void wpa_ctrl_cleanup(void) namep = pathname + dirnamelen; maxcopy = PATH_MAX - dirnamelen; while (readdir_r(dir, &entry, &result) == 0 && result != NULL) { - if (os_strncmp(entry.d_name, CONFIG_CTRL_IFACE_CLIENT_PREFIX, - prefixlen) == 0) { - if (os_strlcpy(namep, entry.d_name, maxcopy) < maxcopy) - unlink(pathname); - } + if (os_strlcpy(namep, entry.d_name, maxcopy) < maxcopy) + unlink(pathname); } closedir(dir); } @@ -255,24 +282,37 @@ struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) struct hostent *h; #endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ - ctrl = os_malloc(sizeof(*ctrl)); + ctrl = os_zalloc(sizeof(*ctrl)); if (ctrl == NULL) return NULL; - os_memset(ctrl, 0, sizeof(*ctrl)); +#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 + ctrl->s = socket(PF_INET6, SOCK_DGRAM, 0); +#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ ctrl->s = socket(PF_INET, SOCK_DGRAM, 0); +#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ if (ctrl->s < 0) { perror("socket"); os_free(ctrl); return NULL; } +#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 + ctrl->local.sin6_family = AF_INET6; +#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE + ctrl->local.sin6_addr = in6addr_any; +#else /* CONFIG_CTRL_IFACE_UDP_REMOTE */ + inet_pton(AF_INET6, "::1", &ctrl->local.sin6_addr); +#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ +#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ ctrl->local.sin_family = AF_INET; #ifdef CONFIG_CTRL_IFACE_UDP_REMOTE ctrl->local.sin_addr.s_addr = INADDR_ANY; #else /* CONFIG_CTRL_IFACE_UDP_REMOTE */ ctrl->local.sin_addr.s_addr = htonl((127 << 24) | 1); #endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ +#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ + if (bind(ctrl->s, (struct sockaddr *) &ctrl->local, sizeof(ctrl->local)) < 0) { close(ctrl->s); @@ -280,14 +320,24 @@ struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) return NULL; } +#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 + ctrl->dest.sin6_family = AF_INET6; + inet_pton(AF_INET6, "::1", &ctrl->dest.sin6_addr); + ctrl->dest.sin6_port = htons(WPA_CTRL_IFACE_PORT); +#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ ctrl->dest.sin_family = AF_INET; ctrl->dest.sin_addr.s_addr = htonl((127 << 24) | 1); ctrl->dest.sin_port = htons(WPA_CTRL_IFACE_PORT); +#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ #ifdef CONFIG_CTRL_IFACE_UDP_REMOTE if (ctrl_path) { char *port, *name; int port_id; +#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 + char *scope; + int scope_id = 0; +#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ name = os_strdup(ctrl_path); if (name == NULL) { @@ -295,7 +345,11 @@ struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) os_free(ctrl); return NULL; } +#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 + port = os_strchr(name, ','); +#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ port = os_strchr(name, ':'); +#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ if (port) { port_id = atoi(&port[1]); @@ -303,7 +357,16 @@ struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) } else port_id = WPA_CTRL_IFACE_PORT; +#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 + scope = os_strchr(name, '%'); + if (scope) { + scope_id = if_nametoindex(&scope[1]); + scope[0] = '\0'; + } + h = gethostbyname2(name, AF_INET6); +#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ h = gethostbyname(name); +#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ ctrl->remote_ip = os_strdup(name); os_free(name); if (h == NULL) { @@ -313,16 +376,33 @@ struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) os_free(ctrl); return NULL; } +#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 + ctrl->dest.sin6_scope_id = scope_id; + ctrl->dest.sin6_port = htons(port_id); + os_memcpy(&ctrl->dest.sin6_addr, h->h_addr, h->h_length); +#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ ctrl->dest.sin_port = htons(port_id); - os_memcpy(h->h_addr, (char *) &ctrl->dest.sin_addr.s_addr, - h->h_length); + os_memcpy(&ctrl->dest.sin_addr.s_addr, h->h_addr, h->h_length); +#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ } else ctrl->remote_ip = os_strdup("localhost"); #endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */ if (connect(ctrl->s, (struct sockaddr *) &ctrl->dest, sizeof(ctrl->dest)) < 0) { - perror("connect"); +#ifdef CONFIG_CTRL_IFACE_UDP_IPV6 + char addr[INET6_ADDRSTRLEN]; + wpa_printf(MSG_ERROR, "connect(%s:%d) failed: %s", + inet_ntop(AF_INET6, &ctrl->dest.sin6_addr, addr, + sizeof(ctrl->dest)), + ntohs(ctrl->dest.sin6_port), + strerror(errno)); +#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */ + wpa_printf(MSG_ERROR, "connect(%s:%d) failed: %s", + inet_ntoa(ctrl->dest.sin_addr), + ntohs(ctrl->dest.sin_port), + strerror(errno)); +#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */ close(ctrl->s); os_free(ctrl->remote_ip); os_free(ctrl); @@ -372,7 +452,7 @@ int wpa_ctrl_request(struct wpa_ctrl *ctrl, const char *cmd, size_t cmd_len, void (*msg_cb)(char *msg, size_t len)) { struct timeval tv; - struct os_time started_at; + struct os_reltime started_at; int res; fd_set rfds; const char *_cmd; @@ -411,12 +491,12 @@ retry_send: * longer before giving up. */ if (started_at.sec == 0) - os_get_time(&started_at); + os_get_reltime(&started_at); else { - struct os_time n; - os_get_time(&n); + struct os_reltime n; + os_get_reltime(&n); /* Try for a few seconds. */ - if (n.sec > started_at.sec + 5) + if (os_reltime_expired(&n, &started_at, 5)) goto send_err; } os_sleep(1, 0); @@ -561,7 +641,7 @@ struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path) ret = os_snprintf(name, 256, NAMED_PIPE_PREFIX "-%s", ctrl_path); #endif /* UNICODE */ - if (ret < 0 || ret >= 256) { + if (os_snprintf_error(256, ret)) { os_free(ctrl); return NULL; } |