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Diffstat (limited to 'src/common/ieee802_11_common.c')
-rw-r--r--src/common/ieee802_11_common.c469
1 files changed, 452 insertions, 17 deletions
diff --git a/src/common/ieee802_11_common.c b/src/common/ieee802_11_common.c
index 98fadda1f90c..aca0b73223bb 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) 2002-2012, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@@ -9,6 +9,7 @@
#include "includes.h"
#include "common.h"
+#include "defs.h"
#include "ieee802_11_defs.h"
#include "ieee802_11_common.h"
@@ -107,10 +108,15 @@ static int ieee802_11_parse_vendor_specific(const u8 *pos, size_t elen,
elems->hs20 = pos;
elems->hs20_len = elen;
break;
+ case HS20_OSEN_OUI_TYPE:
+ /* Hotspot 2.0 OSEN */
+ elems->osen = pos;
+ elems->osen_len = elen;
+ break;
default:
wpa_printf(MSG_MSGDUMP, "Unknown WFA "
"information element ignored "
- "(type=%d len=%lu)\n",
+ "(type=%d len=%lu)",
pos[3], (unsigned long) elen);
return -1;
}
@@ -122,6 +128,15 @@ static int ieee802_11_parse_vendor_specific(const u8 *pos, size_t elen,
elems->vendor_ht_cap = pos;
elems->vendor_ht_cap_len = elen;
break;
+ case VENDOR_VHT_TYPE:
+ if (elen > 4 &&
+ (pos[4] == VENDOR_VHT_SUBTYPE ||
+ pos[4] == VENDOR_VHT_SUBTYPE2)) {
+ elems->vendor_vht = pos;
+ elems->vendor_vht_len = elen;
+ } else
+ return -1;
+ break;
default:
wpa_printf(MSG_EXCESSIVE, "Unknown Broadcom "
"information element ignored "
@@ -188,25 +203,12 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
elems->supp_rates = pos;
elems->supp_rates_len = elen;
break;
- case WLAN_EID_FH_PARAMS:
- elems->fh_params = pos;
- elems->fh_params_len = elen;
- break;
case WLAN_EID_DS_PARAMS:
elems->ds_params = pos;
elems->ds_params_len = elen;
break;
case WLAN_EID_CF_PARAMS:
- elems->cf_params = pos;
- elems->cf_params_len = elen;
- break;
case WLAN_EID_TIM:
- elems->tim = pos;
- elems->tim_len = elen;
- break;
- case WLAN_EID_IBSS_PARAMS:
- elems->ibss_params = pos;
- elems->ibss_params_len = elen;
break;
case WLAN_EID_CHALLENGE:
elems->challenge = pos;
@@ -231,8 +233,6 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
elems->rsn_ie_len = elen;
break;
case WLAN_EID_PWR_CAPABILITY:
- elems->power_cap = pos;
- elems->power_cap_len = elen;
break;
case WLAN_EID_SUPPORTED_CHANNELS:
elems->supp_channels = pos;
@@ -258,6 +258,18 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
elems->ht_operation = pos;
elems->ht_operation_len = elen;
break;
+ case WLAN_EID_MESH_CONFIG:
+ elems->mesh_config = pos;
+ elems->mesh_config_len = elen;
+ break;
+ case WLAN_EID_MESH_ID:
+ elems->mesh_id = pos;
+ elems->mesh_id_len = elen;
+ break;
+ case WLAN_EID_PEER_MGMT:
+ elems->peer_mgmt = pos;
+ elems->peer_mgmt_len = elen;
+ break;
case WLAN_EID_VHT_CAP:
elems->vht_capabilities = pos;
elems->vht_capabilities_len = elen;
@@ -266,6 +278,11 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
elems->vht_operation = pos;
elems->vht_operation_len = elen;
break;
+ case WLAN_EID_VHT_OPERATING_MODE_NOTIFICATION:
+ if (elen != 1)
+ break;
+ elems->vht_opmode_notif = pos;
+ break;
case WLAN_EID_LINK_ID:
if (elen < 18)
break;
@@ -275,6 +292,12 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
elems->interworking = pos;
elems->interworking_len = elen;
break;
+ case WLAN_EID_QOS_MAP_SET:
+ if (elen < 16)
+ break;
+ elems->qos_map_set = pos;
+ elems->qos_map_set_len = elen;
+ break;
case WLAN_EID_EXT_CAPAB:
elems->ext_capab = pos;
elems->ext_capab_len = elen;
@@ -288,6 +311,16 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
elems->ssid_list = pos;
elems->ssid_list_len = elen;
break;
+ case WLAN_EID_AMPE:
+ elems->ampe = pos;
+ elems->ampe_len = elen;
+ break;
+ case WLAN_EID_MIC:
+ elems->mic = pos;
+ elems->mic_len = elen;
+ /* after mic everything is encrypted, so stop. */
+ left = elen;
+ break;
default:
unknown++;
if (!show_errors)
@@ -486,3 +519,405 @@ int hostapd_config_wmm_ac(struct hostapd_wmm_ac_params wmm_ac_params[],
return 0;
}
+
+
+enum hostapd_hw_mode ieee80211_freq_to_chan(int freq, u8 *channel)
+{
+ enum hostapd_hw_mode mode = NUM_HOSTAPD_MODES;
+
+ if (freq >= 2412 && freq <= 2472) {
+ mode = HOSTAPD_MODE_IEEE80211G;
+ *channel = (freq - 2407) / 5;
+ } else if (freq == 2484) {
+ mode = HOSTAPD_MODE_IEEE80211B;
+ *channel = 14;
+ } else if (freq >= 4900 && freq < 5000) {
+ mode = HOSTAPD_MODE_IEEE80211A;
+ *channel = (freq - 4000) / 5;
+ } else if (freq >= 5000 && freq < 5900) {
+ mode = HOSTAPD_MODE_IEEE80211A;
+ *channel = (freq - 5000) / 5;
+ } else if (freq >= 56160 + 2160 * 1 && freq <= 56160 + 2160 * 4) {
+ mode = HOSTAPD_MODE_IEEE80211AD;
+ *channel = (freq - 56160) / 2160;
+ }
+
+ return mode;
+}
+
+
+static const char *us_op_class_cc[] = {
+ "US", "CA", NULL
+};
+
+static const char *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[] = {
+ "JP", NULL
+};
+
+static const char *cn_op_class_cc[] = {
+ "CN", "CA", NULL
+};
+
+
+static int country_match(const char *cc[], const char *country)
+{
+ int i;
+
+ if (country == NULL)
+ return 0;
+ for (i = 0; cc[i]; i++) {
+ if (cc[i][0] == country[0] && cc[i][1] == country[1])
+ return 1;
+ }
+
+ return 0;
+}
+
+
+static int ieee80211_chan_to_freq_us(u8 op_class, u8 chan)
+{
+ switch (op_class) {
+ case 12: /* channels 1..11 */
+ case 32: /* channels 1..7; 40 MHz */
+ case 33: /* channels 5..11; 40 MHz */
+ if (chan < 1 || chan > 11)
+ return -1;
+ return 2407 + 5 * chan;
+ case 1: /* channels 36,40,44,48 */
+ case 2: /* channels 52,56,60,64; dfs */
+ case 22: /* channels 36,44; 40 MHz */
+ case 23: /* channels 52,60; 40 MHz */
+ case 27: /* channels 40,48; 40 MHz */
+ case 28: /* channels 56,64; 40 MHz */
+ if (chan < 36 || chan > 64)
+ return -1;
+ return 5000 + 5 * chan;
+ case 4: /* channels 100-144 */
+ case 24: /* channels 100-140; 40 MHz */
+ if (chan < 100 || chan > 144)
+ return -1;
+ return 5000 + 5 * chan;
+ case 3: /* channels 149,153,157,161 */
+ case 25: /* channels 149,157; 40 MHz */
+ case 26: /* channels 149,157; 40 MHz */
+ case 30: /* channels 153,161; 40 MHz */
+ case 31: /* channels 153,161; 40 MHz */
+ if (chan < 149 || chan > 161)
+ return -1;
+ return 5000 + 5 * chan;
+ case 34: /* 60 GHz band, channels 1..3 */
+ if (chan < 1 || chan > 3)
+ return -1;
+ return 56160 + 2160 * chan;
+ }
+ return -1;
+}
+
+
+static int ieee80211_chan_to_freq_eu(u8 op_class, u8 chan)
+{
+ switch (op_class) {
+ case 4: /* channels 1..13 */
+ case 11: /* channels 1..9; 40 MHz */
+ case 12: /* channels 5..13; 40 MHz */
+ if (chan < 1 || chan > 13)
+ return -1;
+ return 2407 + 5 * chan;
+ case 1: /* channels 36,40,44,48 */
+ case 2: /* channels 52,56,60,64; dfs */
+ case 5: /* channels 36,44; 40 MHz */
+ case 6: /* channels 52,60; 40 MHz */
+ case 8: /* channels 40,48; 40 MHz */
+ case 9: /* channels 56,64; 40 MHz */
+ if (chan < 36 || chan > 64)
+ return -1;
+ return 5000 + 5 * chan;
+ case 3: /* channels 100-140 */
+ case 7: /* channels 100-132; 40 MHz */
+ case 10: /* channels 104-136; 40 MHz */
+ case 16: /* channels 100-140 */
+ if (chan < 100 || chan > 140)
+ return -1;
+ return 5000 + 5 * chan;
+ case 17: /* channels 149,153,157,161,165,169 */
+ if (chan < 149 || chan > 169)
+ return -1;
+ return 5000 + 5 * chan;
+ case 18: /* 60 GHz band, channels 1..4 */
+ if (chan < 1 || chan > 4)
+ return -1;
+ return 56160 + 2160 * chan;
+ }
+ return -1;
+}
+
+
+static int ieee80211_chan_to_freq_jp(u8 op_class, u8 chan)
+{
+ switch (op_class) {
+ case 30: /* channels 1..13 */
+ case 56: /* channels 1..9; 40 MHz */
+ case 57: /* channels 5..13; 40 MHz */
+ if (chan < 1 || chan > 13)
+ return -1;
+ return 2407 + 5 * chan;
+ case 31: /* channel 14 */
+ if (chan != 14)
+ return -1;
+ return 2414 + 5 * chan;
+ case 1: /* channels 34,38,42,46(old) or 36,40,44,48 */
+ case 32: /* channels 52,56,60,64 */
+ case 33: /* channels 52,56,60,64 */
+ case 36: /* channels 36,44; 40 MHz */
+ case 37: /* channels 52,60; 40 MHz */
+ case 38: /* channels 52,60; 40 MHz */
+ case 41: /* channels 40,48; 40 MHz */
+ case 42: /* channels 56,64; 40 MHz */
+ case 43: /* channels 56,64; 40 MHz */
+ if (chan < 34 || chan > 64)
+ return -1;
+ return 5000 + 5 * chan;
+ case 34: /* channels 100-140 */
+ case 35: /* channels 100-140 */
+ case 39: /* channels 100-132; 40 MHz */
+ case 40: /* channels 100-132; 40 MHz */
+ case 44: /* channels 104-136; 40 MHz */
+ case 45: /* channels 104-136; 40 MHz */
+ case 58: /* channels 100-140 */
+ if (chan < 100 || chan > 140)
+ return -1;
+ return 5000 + 5 * chan;
+ case 59: /* 60 GHz band, channels 1..4 */
+ if (chan < 1 || chan > 3)
+ return -1;
+ return 56160 + 2160 * chan;
+ }
+ return -1;
+}
+
+
+static int ieee80211_chan_to_freq_cn(u8 op_class, u8 chan)
+{
+ switch (op_class) {
+ case 7: /* channels 1..13 */
+ case 8: /* channels 1..9; 40 MHz */
+ case 9: /* channels 5..13; 40 MHz */
+ if (chan < 1 || chan > 13)
+ return -1;
+ return 2407 + 5 * chan;
+ case 1: /* channels 36,40,44,48 */
+ case 2: /* channels 52,56,60,64; dfs */
+ case 4: /* channels 36,44; 40 MHz */
+ case 5: /* channels 52,60; 40 MHz */
+ if (chan < 36 || chan > 64)
+ return -1;
+ return 5000 + 5 * chan;
+ case 3: /* channels 149,153,157,161,165 */
+ case 6: /* channels 149,157; 40 MHz */
+ if (chan < 149 || chan > 165)
+ return -1;
+ return 5000 + 5 * chan;
+ }
+ return -1;
+}
+
+
+static int ieee80211_chan_to_freq_global(u8 op_class, u8 chan)
+{
+ /* Table E-4 in IEEE Std 802.11-2012 - Global operating classes */
+ switch (op_class) {
+ case 81:
+ /* channels 1..13 */
+ if (chan < 1 || chan > 13)
+ return -1;
+ return 2407 + 5 * chan;
+ case 82:
+ /* channel 14 */
+ if (chan != 14)
+ return -1;
+ return 2414 + 5 * chan;
+ case 83: /* channels 1..9; 40 MHz */
+ case 84: /* channels 5..13; 40 MHz */
+ if (chan < 1 || chan > 13)
+ return -1;
+ return 2407 + 5 * chan;
+ case 115: /* channels 36,40,44,48; indoor only */
+ case 116: /* channels 36,44; 40 MHz; indoor only */
+ case 117: /* channels 40,48; 40 MHz; indoor only */
+ case 118: /* channels 52,56,60,64; dfs */
+ case 119: /* channels 52,60; 40 MHz; dfs */
+ case 120: /* channels 56,64; 40 MHz; dfs */
+ if (chan < 36 || chan > 64)
+ return -1;
+ return 5000 + 5 * chan;
+ case 121: /* channels 100-140 */
+ case 122: /* channels 100-142; 40 MHz */
+ case 123: /* channels 104-136; 40 MHz */
+ if (chan < 100 || chan > 140)
+ 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 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)
+ return -1;
+ return 5000 + 5 * chan;
+ case 129: /* center freqs 50, 114; 160 MHz */
+ if (chan < 50 || chan > 114)
+ return -1;
+ return 5000 + 5 * chan;
+ case 180: /* 60 GHz band, channels 1..4 */
+ if (chan < 1 || chan > 4)
+ return -1;
+ return 56160 + 2160 * chan;
+ }
+ return -1;
+}
+
+/**
+ * ieee80211_chan_to_freq - Convert channel info to frequency
+ * @country: Country code, if known; otherwise, global operating class is used
+ * @op_class: Operating class
+ * @chan: Channel number
+ * Returns: Frequency in MHz or -1 if the specified channel is unknown
+ */
+int ieee80211_chan_to_freq(const char *country, u8 op_class, u8 chan)
+{
+ int freq;
+
+ if (country_match(us_op_class_cc, country)) {
+ freq = ieee80211_chan_to_freq_us(op_class, chan);
+ if (freq > 0)
+ return freq;
+ }
+
+ if (country_match(eu_op_class_cc, country)) {
+ freq = ieee80211_chan_to_freq_eu(op_class, chan);
+ if (freq > 0)
+ return freq;
+ }
+
+ if (country_match(jp_op_class_cc, country)) {
+ freq = ieee80211_chan_to_freq_jp(op_class, chan);
+ if (freq > 0)
+ return freq;
+ }
+
+ if (country_match(cn_op_class_cc, country)) {
+ freq = ieee80211_chan_to_freq_cn(op_class, chan);
+ if (freq > 0)
+ return freq;
+ }
+
+ return ieee80211_chan_to_freq_global(op_class, chan);
+}
+
+
+int ieee80211_is_dfs(int freq)
+{
+ /* TODO: this could be more accurate to better cover all domains */
+ return (freq >= 5260 && freq <= 5320) || (freq >= 5500 && freq <= 5700);
+}
+
+
+static int is_11b(u8 rate)
+{
+ return rate == 0x02 || rate == 0x04 || rate == 0x0b || rate == 0x16;
+}
+
+
+int supp_rates_11b_only(struct ieee802_11_elems *elems)
+{
+ int num_11b = 0, num_others = 0;
+ int i;
+
+ if (elems->supp_rates == NULL && elems->ext_supp_rates == NULL)
+ return 0;
+
+ for (i = 0; elems->supp_rates && i < elems->supp_rates_len; i++) {
+ if (is_11b(elems->supp_rates[i]))
+ num_11b++;
+ else
+ num_others++;
+ }
+
+ for (i = 0; elems->ext_supp_rates && i < elems->ext_supp_rates_len;
+ i++) {
+ if (is_11b(elems->ext_supp_rates[i]))
+ num_11b++;
+ else
+ num_others++;
+ }
+
+ return num_11b > 0 && num_others == 0;
+}
+
+
+const char * fc2str(u16 fc)
+{
+ u16 stype = WLAN_FC_GET_STYPE(fc);
+#define C2S(x) case x: return #x;
+
+ switch (WLAN_FC_GET_TYPE(fc)) {
+ case WLAN_FC_TYPE_MGMT:
+ switch (stype) {
+ C2S(WLAN_FC_STYPE_ASSOC_REQ)
+ C2S(WLAN_FC_STYPE_ASSOC_RESP)
+ C2S(WLAN_FC_STYPE_REASSOC_REQ)
+ C2S(WLAN_FC_STYPE_REASSOC_RESP)
+ C2S(WLAN_FC_STYPE_PROBE_REQ)
+ C2S(WLAN_FC_STYPE_PROBE_RESP)
+ C2S(WLAN_FC_STYPE_BEACON)
+ C2S(WLAN_FC_STYPE_ATIM)
+ C2S(WLAN_FC_STYPE_DISASSOC)
+ C2S(WLAN_FC_STYPE_AUTH)
+ C2S(WLAN_FC_STYPE_DEAUTH)
+ C2S(WLAN_FC_STYPE_ACTION)
+ }
+ break;
+ case WLAN_FC_TYPE_CTRL:
+ switch (stype) {
+ C2S(WLAN_FC_STYPE_PSPOLL)
+ C2S(WLAN_FC_STYPE_RTS)
+ C2S(WLAN_FC_STYPE_CTS)
+ C2S(WLAN_FC_STYPE_ACK)
+ C2S(WLAN_FC_STYPE_CFEND)
+ C2S(WLAN_FC_STYPE_CFENDACK)
+ }
+ break;
+ case WLAN_FC_TYPE_DATA:
+ switch (stype) {
+ C2S(WLAN_FC_STYPE_DATA)
+ C2S(WLAN_FC_STYPE_DATA_CFACK)
+ C2S(WLAN_FC_STYPE_DATA_CFPOLL)
+ C2S(WLAN_FC_STYPE_DATA_CFACKPOLL)
+ C2S(WLAN_FC_STYPE_NULLFUNC)
+ C2S(WLAN_FC_STYPE_CFACK)
+ C2S(WLAN_FC_STYPE_CFPOLL)
+ C2S(WLAN_FC_STYPE_CFACKPOLL)
+ C2S(WLAN_FC_STYPE_QOS_DATA)
+ C2S(WLAN_FC_STYPE_QOS_DATA_CFACK)
+ C2S(WLAN_FC_STYPE_QOS_DATA_CFPOLL)
+ C2S(WLAN_FC_STYPE_QOS_DATA_CFACKPOLL)
+ C2S(WLAN_FC_STYPE_QOS_NULL)
+ C2S(WLAN_FC_STYPE_QOS_CFPOLL)
+ C2S(WLAN_FC_STYPE_QOS_CFACKPOLL)
+ }
+ break;
+ }
+ return "WLAN_FC_TYPE_UNKNOWN";
+#undef C2S
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-07 01:06:32 +0000