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Diffstat (limited to 'src/common/ieee802_11_common.c')
-rw-r--r--src/common/ieee802_11_common.c280
1 files changed, 252 insertions, 28 deletions
diff --git a/src/common/ieee802_11_common.c b/src/common/ieee802_11_common.c
index aca0b73223bb8..d07a316a79298 100644
--- a/src/common/ieee802_11_common.c
+++ b/src/common/ieee802_11_common.c
@@ -1,6 +1,6 @@
/*
* IEEE 802.11 Common routines
- * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@@ -10,6 +10,8 @@
#include "common.h"
#include "defs.h"
+#include "wpa_common.h"
+#include "qca-vendor.h"
#include "ieee802_11_defs.h"
#include "ieee802_11_common.h"
@@ -146,6 +148,20 @@ static int ieee802_11_parse_vendor_specific(const u8 *pos, size_t elen,
}
break;
+ case OUI_QCA:
+ switch (pos[3]) {
+ case QCA_VENDOR_ELEM_P2P_PREF_CHAN_LIST:
+ elems->pref_freq_list = pos;
+ elems->pref_freq_list_len = elen;
+ break;
+ default:
+ wpa_printf(MSG_EXCESSIVE,
+ "Unknown QCA information element ignored (type=%d len=%lu)",
+ pos[3], (unsigned long) elen);
+ return -1;
+ }
+ break;
+
default:
wpa_printf(MSG_EXCESSIVE, "unknown vendor specific "
"information element ignored (vendor OUI "
@@ -196,6 +212,12 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
switch (id) {
case WLAN_EID_SSID:
+ if (elen > SSID_MAX_LEN) {
+ wpa_printf(MSG_DEBUG,
+ "Ignored too long SSID element (elen=%u)",
+ elen);
+ break;
+ }
elems->ssid = pos;
elems->ssid_len = elen;
break;
@@ -204,8 +226,9 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
elems->supp_rates_len = elen;
break;
case WLAN_EID_DS_PARAMS:
+ if (elen < 1)
+ break;
elems->ds_params = pos;
- elems->ds_params_len = elen;
break;
case WLAN_EID_CF_PARAMS:
case WLAN_EID_TIM:
@@ -215,8 +238,9 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
elems->challenge_len = elen;
break;
case WLAN_EID_ERP_INFO:
+ if (elen < 1)
+ break;
elems->erp_info = pos;
- elems->erp_info_len = elen;
break;
case WLAN_EID_EXT_SUPP_RATES:
elems->ext_supp_rates = pos;
@@ -239,24 +263,31 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
elems->supp_channels_len = elen;
break;
case WLAN_EID_MOBILITY_DOMAIN:
+ if (elen < sizeof(struct rsn_mdie))
+ break;
elems->mdie = pos;
elems->mdie_len = elen;
break;
case WLAN_EID_FAST_BSS_TRANSITION:
+ if (elen < sizeof(struct rsn_ftie))
+ break;
elems->ftie = pos;
elems->ftie_len = elen;
break;
case WLAN_EID_TIMEOUT_INTERVAL:
+ if (elen != 5)
+ break;
elems->timeout_int = pos;
- elems->timeout_int_len = elen;
break;
case WLAN_EID_HT_CAP:
+ if (elen < sizeof(struct ieee80211_ht_capabilities))
+ break;
elems->ht_capabilities = pos;
- elems->ht_capabilities_len = elen;
break;
case WLAN_EID_HT_OPERATION:
+ if (elen < sizeof(struct ieee80211_ht_operation))
+ break;
elems->ht_operation = pos;
- elems->ht_operation_len = elen;
break;
case WLAN_EID_MESH_CONFIG:
elems->mesh_config = pos;
@@ -271,12 +302,14 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
elems->peer_mgmt_len = elen;
break;
case WLAN_EID_VHT_CAP:
+ if (elen < sizeof(struct ieee80211_vht_capabilities))
+ break;
elems->vht_capabilities = pos;
- elems->vht_capabilities_len = elen;
break;
case WLAN_EID_VHT_OPERATION:
+ if (elen < sizeof(struct ieee80211_vht_operation))
+ break;
elems->vht_operation = pos;
- elems->vht_operation_len = elen;
break;
case WLAN_EID_VHT_OPERATING_MODE_NOTIFICATION:
if (elen != 1)
@@ -321,6 +354,18 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
/* after mic everything is encrypted, so stop. */
left = elen;
break;
+ case WLAN_EID_MULTI_BAND:
+ if (elems->mb_ies.nof_ies >= MAX_NOF_MB_IES_SUPPORTED) {
+ wpa_printf(MSG_MSGDUMP,
+ "IEEE 802.11 element parse ignored MB IE (id=%d elen=%d)",
+ id, elen);
+ break;
+ }
+
+ elems->mb_ies.ies[elems->mb_ies.nof_ies].ie = pos;
+ elems->mb_ies.ies[elems->mb_ies.nof_ies].ie_len = elen;
+ elems->mb_ies.nof_ies++;
+ break;
default:
unknown++;
if (!show_errors)
@@ -486,14 +531,14 @@ int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[],
ac->aifs = v;
} else if (os_strcmp(pos, "cwmin") == 0) {
v = atoi(val);
- if (v < 0 || v > 12) {
+ if (v < 0 || v > 15) {
wpa_printf(MSG_ERROR, "Invalid cwMin value %d", v);
return -1;
}
ac->cwmin = v;
} else if (os_strcmp(pos, "cwmax") == 0) {
v = atoi(val);
- if (v < 0 || v > 12) {
+ if (v < 0 || v > 15) {
wpa_printf(MSG_ERROR, "Invalid cwMax value %d", v);
return -1;
}
@@ -523,50 +568,163 @@ int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[],
enum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel)
{
- enum hostapd_hw_mode mode = NUM_HOSTAPD_MODES;
+ u8 op_class;
+
+ return ieee80211_freq_to_channel_ext(freq, 0, 0, &op_class, channel);
+}
+
+
+/**
+ * ieee80211_freq_to_channel_ext - Convert frequency into channel info
+ * for HT40 and VHT. DFS channels are not covered.
+ * @freq: Frequency (MHz) to convert
+ * @sec_channel: 0 = non-HT40, 1 = sec. channel above, -1 = sec. channel below
+ * @vht: 0 - non-VHT, 1 - 80 MHz
+ * @op_class: Buffer for returning operating class
+ * @channel: Buffer for returning channel number
+ * Returns: hw_mode on success, NUM_HOSTAPD_MODES on failure
+ */
+enum hostapd_hw_mode ieee80211_freq_to_channel_ext(unsigned int freq,
+ int sec_channel, int vht,
+ u8 *op_class, u8 *channel)
+{
+ /* TODO: more operating classes */
+
+ if (sec_channel > 1 || sec_channel < -1)
+ return NUM_HOSTAPD_MODES;
if (freq >= 2412 && freq <= 2472) {
- mode = HOSTAPD_MODE_IEEE80211G;
+ if ((freq - 2407) % 5)
+ return NUM_HOSTAPD_MODES;
+
+ if (vht)
+ return NUM_HOSTAPD_MODES;
+
+ /* 2.407 GHz, channels 1..13 */
+ if (sec_channel == 1)
+ *op_class = 83;
+ else if (sec_channel == -1)
+ *op_class = 84;
+ else
+ *op_class = 81;
+
*channel = (freq - 2407) / 5;
- } else if (freq == 2484) {
- mode = HOSTAPD_MODE_IEEE80211B;
+
+ return HOSTAPD_MODE_IEEE80211G;
+ }
+
+ if (freq == 2484) {
+ if (sec_channel || vht)
+ return NUM_HOSTAPD_MODES;
+
+ *op_class = 82; /* channel 14 */
*channel = 14;
- } else if (freq >= 4900 && freq < 5000) {
- mode = HOSTAPD_MODE_IEEE80211A;
+
+ return HOSTAPD_MODE_IEEE80211B;
+ }
+
+ if (freq >= 4900 && freq < 5000) {
+ if ((freq - 4000) % 5)
+ return NUM_HOSTAPD_MODES;
*channel = (freq - 4000) / 5;
- } else if (freq >= 5000 && freq < 5900) {
- mode = HOSTAPD_MODE_IEEE80211A;
+ *op_class = 0; /* TODO */
+ return HOSTAPD_MODE_IEEE80211A;
+ }
+
+ /* 5 GHz, channels 36..48 */
+ if (freq >= 5180 && freq <= 5240) {
+ if ((freq - 5000) % 5)
+ return NUM_HOSTAPD_MODES;
+
+ if (sec_channel == 1)
+ *op_class = 116;
+ else if (sec_channel == -1)
+ *op_class = 117;
+ else if (vht)
+ *op_class = 128;
+ else
+ *op_class = 115;
+
+ *channel = (freq - 5000) / 5;
+
+ return HOSTAPD_MODE_IEEE80211A;
+ }
+
+ /* 5 GHz, channels 149..161 */
+ if (freq >= 5745 && freq <= 5805) {
+ if ((freq - 5000) % 5)
+ return NUM_HOSTAPD_MODES;
+
+ if (sec_channel == 1)
+ *op_class = 126;
+ else if (sec_channel == -1)
+ *op_class = 127;
+ else if (vht)
+ *op_class = 128;
+ else
+ *op_class = 124;
+
*channel = (freq - 5000) / 5;
- } else if (freq >= 56160 + 2160 * 1 && freq <= 56160 + 2160 * 4) {
- mode = HOSTAPD_MODE_IEEE80211AD;
+
+ return HOSTAPD_MODE_IEEE80211A;
+ }
+
+ /* 5 GHz, channels 149..169 */
+ if (freq >= 5745 && freq <= 5845) {
+ if ((freq - 5000) % 5)
+ return NUM_HOSTAPD_MODES;
+
+ *op_class = 125;
+
+ *channel = (freq - 5000) / 5;
+
+ return HOSTAPD_MODE_IEEE80211A;
+ }
+
+ if (freq >= 5000 && freq < 5900) {
+ if ((freq - 5000) % 5)
+ return NUM_HOSTAPD_MODES;
+ *channel = (freq - 5000) / 5;
+ *op_class = 0; /* TODO */
+ return HOSTAPD_MODE_IEEE80211A;
+ }
+
+ /* 56.16 GHz, channel 1..4 */
+ if (freq >= 56160 + 2160 * 1 && freq <= 56160 + 2160 * 4) {
+ if (sec_channel || vht)
+ return NUM_HOSTAPD_MODES;
+
*channel = (freq - 56160) / 2160;
+ *op_class = 180;
+
+ return HOSTAPD_MODE_IEEE80211AD;
}
- return mode;
+ return NUM_HOSTAPD_MODES;
}
-static const char *us_op_class_cc[] = {
+static const char *const us_op_class_cc[] = {
"US", "CA", NULL
};
-static const char *eu_op_class_cc[] = {
+static const char *const eu_op_class_cc[] = {
"AL", "AM", "AT", "AZ", "BA", "BE", "BG", "BY", "CH", "CY", "CZ", "DE",
"DK", "EE", "EL", "ES", "FI", "FR", "GE", "HR", "HU", "IE", "IS", "IT",
"LI", "LT", "LU", "LV", "MD", "ME", "MK", "MT", "NL", "NO", "PL", "PT",
"RO", "RS", "RU", "SE", "SI", "SK", "TR", "UA", "UK", NULL
};
-static const char *jp_op_class_cc[] = {
+static const char *const jp_op_class_cc[] = {
"JP", NULL
};
-static const char *cn_op_class_cc[] = {
- "CN", "CA", NULL
+static const char *const cn_op_class_cc[] = {
+ "CN", NULL
};
-static int country_match(const char *cc[], const char *country)
+static int country_match(const char *const cc[], const char *const country)
{
int i;
@@ -612,6 +770,10 @@ static int ieee80211_chan_to_freq_us(u8 op_class, u8 chan)
if (chan < 149 || chan > 161)
return -1;
return 5000 + 5 * chan;
+ case 5: /* channels 149,153,157,161,165 */
+ if (chan < 149 || chan > 165)
+ return -1;
+ return 5000 + 5 * chan;
case 34: /* 60 GHz band, channels 1..3 */
if (chan < 1 || chan > 3)
return -1;
@@ -764,12 +926,15 @@ static int ieee80211_chan_to_freq_global(u8 op_class, u8 chan)
return -1;
return 5000 + 5 * chan;
case 124: /* channels 149,153,157,161 */
- case 125: /* channels 149,153,157,161,165,169 */
case 126: /* channels 149,157; 40 MHz */
case 127: /* channels 153,161; 40 MHz */
if (chan < 149 || chan > 161)
return -1;
return 5000 + 5 * chan;
+ case 125: /* channels 149,153,157,161,165,169 */
+ if (chan < 149 || chan > 169)
+ return -1;
+ return 5000 + 5 * chan;
case 128: /* center freqs 42, 58, 106, 122, 138, 155; 80 MHz */
case 130: /* center freqs 42, 58, 106, 122, 138, 155; 80 MHz */
if (chan < 36 || chan > 161)
@@ -921,3 +1086,62 @@ const char * fc2str(u16 fc)
return "WLAN_FC_TYPE_UNKNOWN";
#undef C2S
}
+
+
+int mb_ies_info_by_ies(struct mb_ies_info *info, const u8 *ies_buf,
+ size_t ies_len)
+{
+ os_memset(info, 0, sizeof(*info));
+
+ while (ies_buf && ies_len >= 2 &&
+ info->nof_ies < MAX_NOF_MB_IES_SUPPORTED) {
+ size_t len = 2 + ies_buf[1];
+
+ if (len > ies_len) {
+ wpa_hexdump(MSG_DEBUG, "Truncated IEs",
+ ies_buf, ies_len);
+ return -1;
+ }
+
+ if (ies_buf[0] == WLAN_EID_MULTI_BAND) {
+ wpa_printf(MSG_DEBUG, "MB IE of %zu bytes found", len);
+ info->ies[info->nof_ies].ie = ies_buf + 2;
+ info->ies[info->nof_ies].ie_len = ies_buf[1];
+ info->nof_ies++;
+ }
+
+ ies_len -= len;
+ ies_buf += len;
+ }
+
+ return 0;
+}
+
+
+struct wpabuf * mb_ies_by_info(struct mb_ies_info *info)
+{
+ struct wpabuf *mb_ies = NULL;
+
+ WPA_ASSERT(info != NULL);
+
+ if (info->nof_ies) {
+ u8 i;
+ size_t mb_ies_size = 0;
+
+ for (i = 0; i < info->nof_ies; i++)
+ mb_ies_size += 2 + info->ies[i].ie_len;
+
+ mb_ies = wpabuf_alloc(mb_ies_size);
+ if (mb_ies) {
+ for (i = 0; i < info->nof_ies; i++) {
+ wpabuf_put_u8(mb_ies, WLAN_EID_MULTI_BAND);
+ wpabuf_put_u8(mb_ies, info->ies[i].ie_len);
+ wpabuf_put_data(mb_ies,
+ info->ies[i].ie,
+ info->ies[i].ie_len);
+ }
+ }
+ }
+
+ return mb_ies;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-08 03:52:03 +0000