X-Git-Url: http://www.project-moonshot.org/gitweb/?p=mech_eap.git;a=blobdiff_plain;f=libeap%2Fsrc%2Frsn_supp%2Fwpa_ie.c;fp=libeap%2Fsrc%2Frsn_supp%2Fwpa_ie.c;h=c44844ec583bfb73b48d72d4f6ed6361fbb99dd5;hp=f447223bc3b97e4fff116cf66bbc9f3f714267a8;hb=f3746d009c6d7f50025af1f58a85e5fee9680be6;hpb=244f18d04aaf29e68495b5ffeb40ef5cca50942f diff --git a/libeap/src/rsn_supp/wpa_ie.c b/libeap/src/rsn_supp/wpa_ie.c index f447223..c44844e 100644 --- a/libeap/src/rsn_supp/wpa_ie.c +++ b/libeap/src/rsn_supp/wpa_ie.c @@ -1,15 +1,9 @@ /* * wpa_supplicant - WPA/RSN IE and KDE processing - * Copyright (c) 2003-2008, Jouni Malinen + * Copyright (c) 2003-2015, Jouni Malinen * - * 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" @@ -22,144 +16,6 @@ #include "wpa_ie.h" -static int wpa_selector_to_bitfield(const u8 *s) -{ - if (RSN_SELECTOR_GET(s) == WPA_CIPHER_SUITE_NONE) - return WPA_CIPHER_NONE; - if (RSN_SELECTOR_GET(s) == WPA_CIPHER_SUITE_WEP40) - return WPA_CIPHER_WEP40; - if (RSN_SELECTOR_GET(s) == WPA_CIPHER_SUITE_TKIP) - return WPA_CIPHER_TKIP; - if (RSN_SELECTOR_GET(s) == WPA_CIPHER_SUITE_CCMP) - return WPA_CIPHER_CCMP; - if (RSN_SELECTOR_GET(s) == WPA_CIPHER_SUITE_WEP104) - return WPA_CIPHER_WEP104; - return 0; -} - - -static int wpa_key_mgmt_to_bitfield(const u8 *s) -{ - if (RSN_SELECTOR_GET(s) == WPA_AUTH_KEY_MGMT_UNSPEC_802_1X) - return WPA_KEY_MGMT_IEEE8021X; - if (RSN_SELECTOR_GET(s) == WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X) - return WPA_KEY_MGMT_PSK; - if (RSN_SELECTOR_GET(s) == WPA_AUTH_KEY_MGMT_NONE) - return WPA_KEY_MGMT_WPA_NONE; - return 0; -} - - -static int wpa_parse_wpa_ie_wpa(const u8 *wpa_ie, size_t wpa_ie_len, - struct wpa_ie_data *data) -{ - const struct wpa_ie_hdr *hdr; - const u8 *pos; - int left; - int i, count; - - os_memset(data, 0, sizeof(*data)); - data->proto = WPA_PROTO_WPA; - data->pairwise_cipher = WPA_CIPHER_TKIP; - data->group_cipher = WPA_CIPHER_TKIP; - data->key_mgmt = WPA_KEY_MGMT_IEEE8021X; - data->capabilities = 0; - data->pmkid = NULL; - data->num_pmkid = 0; - data->mgmt_group_cipher = 0; - - if (wpa_ie_len == 0) { - /* No WPA IE - fail silently */ - return -1; - } - - if (wpa_ie_len < sizeof(struct wpa_ie_hdr)) { - wpa_printf(MSG_DEBUG, "%s: ie len too short %lu", - __func__, (unsigned long) wpa_ie_len); - return -1; - } - - hdr = (const struct wpa_ie_hdr *) wpa_ie; - - if (hdr->elem_id != WLAN_EID_VENDOR_SPECIFIC || - hdr->len != wpa_ie_len - 2 || - RSN_SELECTOR_GET(hdr->oui) != WPA_OUI_TYPE || - WPA_GET_LE16(hdr->version) != WPA_VERSION) { - wpa_printf(MSG_DEBUG, "%s: malformed ie or unknown version", - __func__); - return -1; - } - - pos = (const u8 *) (hdr + 1); - left = wpa_ie_len - sizeof(*hdr); - - if (left >= WPA_SELECTOR_LEN) { - data->group_cipher = wpa_selector_to_bitfield(pos); - pos += WPA_SELECTOR_LEN; - left -= WPA_SELECTOR_LEN; - } else if (left > 0) { - wpa_printf(MSG_DEBUG, "%s: ie length mismatch, %u too much", - __func__, left); - return -1; - } - - if (left >= 2) { - data->pairwise_cipher = 0; - count = WPA_GET_LE16(pos); - pos += 2; - left -= 2; - if (count == 0 || left < count * WPA_SELECTOR_LEN) { - wpa_printf(MSG_DEBUG, "%s: ie count botch (pairwise), " - "count %u left %u", __func__, count, left); - return -1; - } - for (i = 0; i < count; i++) { - data->pairwise_cipher |= wpa_selector_to_bitfield(pos); - pos += WPA_SELECTOR_LEN; - left -= WPA_SELECTOR_LEN; - } - } else if (left == 1) { - wpa_printf(MSG_DEBUG, "%s: ie too short (for key mgmt)", - __func__); - return -1; - } - - if (left >= 2) { - data->key_mgmt = 0; - count = WPA_GET_LE16(pos); - pos += 2; - left -= 2; - if (count == 0 || left < count * WPA_SELECTOR_LEN) { - wpa_printf(MSG_DEBUG, "%s: ie count botch (key mgmt), " - "count %u left %u", __func__, count, left); - return -1; - } - for (i = 0; i < count; i++) { - data->key_mgmt |= wpa_key_mgmt_to_bitfield(pos); - pos += WPA_SELECTOR_LEN; - left -= WPA_SELECTOR_LEN; - } - } else if (left == 1) { - wpa_printf(MSG_DEBUG, "%s: ie too short (for capabilities)", - __func__); - return -1; - } - - if (left >= 2) { - data->capabilities = WPA_GET_LE16(pos); - pos += 2; - left -= 2; - } - - if (left > 0) { - wpa_printf(MSG_DEBUG, "%s: ie has %u trailing bytes - ignored", - __func__, left); - } - - return 0; -} - - /** * wpa_parse_wpa_ie - Parse WPA/RSN IE * @wpa_ie: Pointer to WPA or RSN IE @@ -174,6 +30,9 @@ int wpa_parse_wpa_ie(const u8 *wpa_ie, size_t wpa_ie_len, { if (wpa_ie_len >= 1 && wpa_ie[0] == WLAN_EID_RSN) return wpa_parse_wpa_ie_rsn(wpa_ie, wpa_ie_len, data); + if (wpa_ie_len >= 6 && wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC && + wpa_ie[1] >= 4 && WPA_GET_BE32(&wpa_ie[2]) == OSEN_IE_VENDOR_TYPE) + return wpa_parse_wpa_ie_rsn(wpa_ie, wpa_ie_len, data); else return wpa_parse_wpa_ie_wpa(wpa_ie, wpa_ie_len, data); } @@ -185,6 +44,7 @@ static int wpa_gen_wpa_ie_wpa(u8 *wpa_ie, size_t wpa_ie_len, { u8 *pos; struct wpa_ie_hdr *hdr; + u32 suite; if (wpa_ie_len < sizeof(*hdr) + WPA_SELECTOR_LEN + 2 + WPA_SELECTOR_LEN + 2 + WPA_SELECTOR_LEN) @@ -196,34 +56,26 @@ static int wpa_gen_wpa_ie_wpa(u8 *wpa_ie, size_t wpa_ie_len, WPA_PUT_LE16(hdr->version, WPA_VERSION); pos = (u8 *) (hdr + 1); - if (group_cipher == WPA_CIPHER_CCMP) { - RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_CCMP); - } else if (group_cipher == WPA_CIPHER_TKIP) { - RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_TKIP); - } else if (group_cipher == WPA_CIPHER_WEP104) { - RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_WEP104); - } else if (group_cipher == WPA_CIPHER_WEP40) { - RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_WEP40); - } else { + suite = wpa_cipher_to_suite(WPA_PROTO_WPA, group_cipher); + if (suite == 0) { wpa_printf(MSG_WARNING, "Invalid group cipher (%d).", group_cipher); return -1; } + RSN_SELECTOR_PUT(pos, suite); pos += WPA_SELECTOR_LEN; *pos++ = 1; *pos++ = 0; - if (pairwise_cipher == WPA_CIPHER_CCMP) { - RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_CCMP); - } else if (pairwise_cipher == WPA_CIPHER_TKIP) { - RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_TKIP); - } else if (pairwise_cipher == WPA_CIPHER_NONE) { - RSN_SELECTOR_PUT(pos, WPA_CIPHER_SUITE_NONE); - } else { + suite = wpa_cipher_to_suite(WPA_PROTO_WPA, pairwise_cipher); + if (suite == 0 || + (!wpa_cipher_valid_pairwise(pairwise_cipher) && + pairwise_cipher != WPA_CIPHER_NONE)) { wpa_printf(MSG_WARNING, "Invalid pairwise cipher (%d).", pairwise_cipher); return -1; } + RSN_SELECTOR_PUT(pos, suite); pos += WPA_SELECTOR_LEN; *pos++ = 1; @@ -234,6 +86,8 @@ static int wpa_gen_wpa_ie_wpa(u8 *wpa_ie, size_t wpa_ie_len, RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X); } else if (key_mgmt == WPA_KEY_MGMT_WPA_NONE) { RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_NONE); + } else if (key_mgmt == WPA_KEY_MGMT_CCKM) { + RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_CCKM); } else { wpa_printf(MSG_WARNING, "Invalid key management type (%d).", key_mgmt); @@ -256,10 +110,10 @@ static int wpa_gen_wpa_ie_rsn(u8 *rsn_ie, size_t rsn_ie_len, int key_mgmt, int mgmt_group_cipher, struct wpa_sm *sm) { -#ifndef CONFIG_NO_WPA2 u8 *pos; struct rsn_ie_hdr *hdr; u16 capab; + u32 suite; if (rsn_ie_len < sizeof(*hdr) + RSN_SELECTOR_LEN + 2 + RSN_SELECTOR_LEN + 2 + RSN_SELECTOR_LEN + 2 + @@ -274,34 +128,26 @@ static int wpa_gen_wpa_ie_rsn(u8 *rsn_ie, size_t rsn_ie_len, WPA_PUT_LE16(hdr->version, RSN_VERSION); pos = (u8 *) (hdr + 1); - if (group_cipher == WPA_CIPHER_CCMP) { - RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP); - } else if (group_cipher == WPA_CIPHER_TKIP) { - RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_TKIP); - } else if (group_cipher == WPA_CIPHER_WEP104) { - RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_WEP104); - } else if (group_cipher == WPA_CIPHER_WEP40) { - RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_WEP40); - } else { + suite = wpa_cipher_to_suite(WPA_PROTO_RSN, group_cipher); + if (suite == 0) { wpa_printf(MSG_WARNING, "Invalid group cipher (%d).", group_cipher); return -1; } + RSN_SELECTOR_PUT(pos, suite); pos += RSN_SELECTOR_LEN; *pos++ = 1; *pos++ = 0; - if (pairwise_cipher == WPA_CIPHER_CCMP) { - RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_CCMP); - } else if (pairwise_cipher == WPA_CIPHER_TKIP) { - RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_TKIP); - } else if (pairwise_cipher == WPA_CIPHER_NONE) { - RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_NONE); - } else { + suite = wpa_cipher_to_suite(WPA_PROTO_RSN, pairwise_cipher); + if (suite == 0 || + (!wpa_cipher_valid_pairwise(pairwise_cipher) && + pairwise_cipher != WPA_CIPHER_NONE)) { wpa_printf(MSG_WARNING, "Invalid pairwise cipher (%d).", pairwise_cipher); return -1; } + RSN_SELECTOR_PUT(pos, suite); pos += RSN_SELECTOR_LEN; *pos++ = 1; @@ -310,6 +156,8 @@ static int wpa_gen_wpa_ie_rsn(u8 *rsn_ie, size_t rsn_ie_len, RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_UNSPEC_802_1X); } else if (key_mgmt == WPA_KEY_MGMT_PSK) { RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X); + } else if (key_mgmt == WPA_KEY_MGMT_CCKM) { + RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_CCKM); #ifdef CONFIG_IEEE80211R } else if (key_mgmt == WPA_KEY_MGMT_FT_IEEE8021X) { RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_802_1X); @@ -322,6 +170,16 @@ static int wpa_gen_wpa_ie_rsn(u8 *rsn_ie, size_t rsn_ie_len, } else if (key_mgmt == WPA_KEY_MGMT_PSK_SHA256) { RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_PSK_SHA256); #endif /* CONFIG_IEEE80211W */ +#ifdef CONFIG_SAE + } else if (key_mgmt == WPA_KEY_MGMT_SAE) { + RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_SAE); + } else if (key_mgmt == WPA_KEY_MGMT_FT_SAE) { + RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_SAE); +#endif /* CONFIG_SAE */ + } else if (key_mgmt == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) { + RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192); + } else if (key_mgmt == WPA_KEY_MGMT_IEEE8021X_SUITE_B) { + RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SUITE_B); } else { wpa_printf(MSG_WARNING, "Invalid key management type (%d).", key_mgmt); @@ -350,7 +208,7 @@ static int wpa_gen_wpa_ie_rsn(u8 *rsn_ie, size_t rsn_ie_len, } #ifdef CONFIG_IEEE80211W - if (mgmt_group_cipher == WPA_CIPHER_AES_128_CMAC) { + if (wpa_cipher_valid_mgmt_group(mgmt_group_cipher)) { if (!sm->cur_pmksa) { /* PMKID Count */ WPA_PUT_LE16(pos, 0); @@ -358,7 +216,8 @@ static int wpa_gen_wpa_ie_rsn(u8 *rsn_ie, size_t rsn_ie_len, } /* Management Group Cipher Suite */ - RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC); + RSN_SELECTOR_PUT(pos, wpa_cipher_to_suite(WPA_PROTO_RSN, + mgmt_group_cipher)); pos += RSN_SELECTOR_LEN; } #endif /* CONFIG_IEEE80211W */ @@ -368,12 +227,67 @@ static int wpa_gen_wpa_ie_rsn(u8 *rsn_ie, size_t rsn_ie_len, WPA_ASSERT((size_t) (pos - rsn_ie) <= rsn_ie_len); return pos - rsn_ie; -#else /* CONFIG_NO_WPA2 */ - return -1; -#endif /* CONFIG_NO_WPA2 */ } +#ifdef CONFIG_HS20 +static int wpa_gen_wpa_ie_osen(u8 *wpa_ie, size_t wpa_ie_len, + int pairwise_cipher, int group_cipher, + int key_mgmt) +{ + u8 *pos, *len; + u32 suite; + + if (wpa_ie_len < 2 + 4 + RSN_SELECTOR_LEN + + 2 + RSN_SELECTOR_LEN + 2 + RSN_SELECTOR_LEN) + return -1; + + pos = wpa_ie; + *pos++ = WLAN_EID_VENDOR_SPECIFIC; + len = pos++; /* to be filled */ + WPA_PUT_BE24(pos, OUI_WFA); + pos += 3; + *pos++ = HS20_OSEN_OUI_TYPE; + + /* Group Data Cipher Suite */ + suite = wpa_cipher_to_suite(WPA_PROTO_RSN, group_cipher); + if (suite == 0) { + wpa_printf(MSG_WARNING, "Invalid group cipher (%d).", + group_cipher); + return -1; + } + RSN_SELECTOR_PUT(pos, suite); + pos += RSN_SELECTOR_LEN; + + /* Pairwise Cipher Suite Count and List */ + WPA_PUT_LE16(pos, 1); + pos += 2; + suite = wpa_cipher_to_suite(WPA_PROTO_RSN, pairwise_cipher); + if (suite == 0 || + (!wpa_cipher_valid_pairwise(pairwise_cipher) && + pairwise_cipher != WPA_CIPHER_NONE)) { + wpa_printf(MSG_WARNING, "Invalid pairwise cipher (%d).", + pairwise_cipher); + return -1; + } + RSN_SELECTOR_PUT(pos, suite); + pos += RSN_SELECTOR_LEN; + + /* AKM Suite Count and List */ + WPA_PUT_LE16(pos, 1); + pos += 2; + RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_OSEN); + pos += RSN_SELECTOR_LEN; + + *len = pos - len - 1; + + WPA_ASSERT((size_t) (pos - wpa_ie) <= wpa_ie_len); + + return pos - wpa_ie; +} +#endif /* CONFIG_HS20 */ + + /** * wpa_gen_wpa_ie - Generate WPA/RSN IE based on current security policy * @sm: Pointer to WPA state machine data from wpa_sm_init() @@ -389,6 +303,13 @@ int wpa_gen_wpa_ie(struct wpa_sm *sm, u8 *wpa_ie, size_t wpa_ie_len) sm->group_cipher, sm->key_mgmt, sm->mgmt_group_cipher, sm); +#ifdef CONFIG_HS20 + else if (sm->proto == WPA_PROTO_OSEN) + return wpa_gen_wpa_ie_osen(wpa_ie, wpa_ie_len, + sm->pairwise_cipher, + sm->group_cipher, + sm->key_mgmt); +#endif /* CONFIG_HS20 */ else return wpa_gen_wpa_ie_wpa(wpa_ie, wpa_ie_len, sm->pairwise_cipher, @@ -398,6 +319,42 @@ int wpa_gen_wpa_ie(struct wpa_sm *sm, u8 *wpa_ie, size_t wpa_ie_len) /** + * wpa_parse_vendor_specific - Parse Vendor Specific IEs + * @pos: Pointer to the IE header + * @end: Pointer to the end of the Key Data buffer + * @ie: Pointer to parsed IE data + * Returns: 0 on success, 1 if end mark is found, -1 on failure + */ +static int wpa_parse_vendor_specific(const u8 *pos, const u8 *end, + struct wpa_eapol_ie_parse *ie) +{ + unsigned int oui; + + if (pos[1] < 4) { + wpa_printf(MSG_MSGDUMP, "Too short vendor specific IE ignored (len=%u)", + pos[1]); + return 1; + } + + oui = WPA_GET_BE24(&pos[2]); + if (oui == OUI_MICROSOFT && pos[5] == WMM_OUI_TYPE && pos[1] > 4) { + if (pos[6] == WMM_OUI_SUBTYPE_INFORMATION_ELEMENT) { + ie->wmm = &pos[2]; + ie->wmm_len = pos[1]; + wpa_hexdump(MSG_DEBUG, "WPA: WMM IE", + ie->wmm, ie->wmm_len); + } else if (pos[6] == WMM_OUI_SUBTYPE_PARAMETER_ELEMENT) { + ie->wmm = &pos[2]; + ie->wmm_len = pos[1]; + wpa_hexdump(MSG_DEBUG, "WPA: WMM Parameter Element", + ie->wmm, ie->wmm_len); + } + } + return 0; +} + + +/** * wpa_parse_generic - Parse EAPOL-Key Key Data Generic IEs * @pos: Pointer to the IE header * @end: Pointer to the end of the Key Data buffer @@ -421,7 +378,7 @@ static int wpa_parse_generic(const u8 *pos, const u8 *end, return 0; } - if (pos + 1 + RSN_SELECTOR_LEN < end && + if (1 + RSN_SELECTOR_LEN < end - pos && pos[1] >= RSN_SELECTOR_LEN + PMKID_LEN && RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_PMKID) { ie->pmkid = pos + 2 + RSN_SELECTOR_LEN; @@ -497,6 +454,25 @@ static int wpa_parse_generic(const u8 *pos, const u8 *end, } #endif /* CONFIG_IEEE80211W */ +#ifdef CONFIG_P2P + if (pos[1] >= RSN_SELECTOR_LEN + 1 && + RSN_SELECTOR_GET(pos + 2) == WFA_KEY_DATA_IP_ADDR_REQ) { + ie->ip_addr_req = pos + 2 + RSN_SELECTOR_LEN; + wpa_hexdump(MSG_DEBUG, "WPA: IP Address Request in EAPOL-Key", + ie->ip_addr_req, pos[1] - RSN_SELECTOR_LEN); + return 0; + } + + if (pos[1] >= RSN_SELECTOR_LEN + 3 * 4 && + RSN_SELECTOR_GET(pos + 2) == WFA_KEY_DATA_IP_ADDR_ALLOC) { + ie->ip_addr_alloc = pos + 2 + RSN_SELECTOR_LEN; + wpa_hexdump(MSG_DEBUG, + "WPA: IP Address Allocation in EAPOL-Key", + ie->ip_addr_alloc, pos[1] - RSN_SELECTOR_LEN); + return 0; + } +#endif /* CONFIG_P2P */ + return 0; } @@ -515,13 +491,13 @@ int wpa_supplicant_parse_ies(const u8 *buf, size_t len, int ret = 0; os_memset(ie, 0, sizeof(*ie)); - for (pos = buf, end = pos + len; pos + 1 < end; pos += 2 + pos[1]) { + for (pos = buf, end = pos + len; end - pos > 1; pos += 2 + pos[1]) { if (pos[0] == 0xdd && ((pos == buf + len - 1) || pos[1] == 0)) { /* Ignore padding */ break; } - if (pos + 2 + pos[1] > end) { + if (2 + pos[1] > end - pos) { wpa_printf(MSG_DEBUG, "WPA: EAPOL-Key Key Data " "underflow (ie=%d len=%d pos=%d)", pos[0], pos[1], (int) (pos - buf)); @@ -535,13 +511,14 @@ int wpa_supplicant_parse_ies(const u8 *buf, size_t len, ie->rsn_ie_len = pos[1] + 2; wpa_hexdump(MSG_DEBUG, "WPA: RSN IE in EAPOL-Key", ie->rsn_ie, ie->rsn_ie_len); -#ifdef CONFIG_IEEE80211R - } else if (*pos == WLAN_EID_MOBILITY_DOMAIN) { + } else if (*pos == WLAN_EID_MOBILITY_DOMAIN && + pos[1] >= sizeof(struct rsn_mdie)) { ie->mdie = pos; ie->mdie_len = pos[1] + 2; wpa_hexdump(MSG_DEBUG, "WPA: MDIE in EAPOL-Key", ie->mdie, ie->mdie_len); - } else if (*pos == WLAN_EID_FAST_BSS_TRANSITION) { + } else if (*pos == WLAN_EID_FAST_BSS_TRANSITION && + pos[1] >= sizeof(struct rsn_ftie)) { ie->ftie = pos; ie->ftie_len = pos[1] + 2; wpa_hexdump(MSG_DEBUG, "WPA: FTIE in EAPOL-Key", @@ -562,7 +539,46 @@ int wpa_supplicant_parse_ies(const u8 *buf, size_t len, "EAPOL-Key Key Data IE", pos, 2 + pos[1]); } -#endif /* CONFIG_IEEE80211R */ + } else if (*pos == WLAN_EID_LINK_ID) { + if (pos[1] >= 18) { + ie->lnkid = pos; + ie->lnkid_len = pos[1] + 2; + } + } else if (*pos == WLAN_EID_EXT_CAPAB) { + ie->ext_capab = pos; + ie->ext_capab_len = pos[1] + 2; + } else if (*pos == WLAN_EID_SUPP_RATES) { + ie->supp_rates = pos; + ie->supp_rates_len = pos[1] + 2; + } else if (*pos == WLAN_EID_EXT_SUPP_RATES) { + ie->ext_supp_rates = pos; + ie->ext_supp_rates_len = pos[1] + 2; + } else if (*pos == WLAN_EID_HT_CAP && + pos[1] >= sizeof(struct ieee80211_ht_capabilities)) { + ie->ht_capabilities = pos + 2; + } else if (*pos == WLAN_EID_VHT_AID) { + if (pos[1] >= 2) + ie->aid = WPA_GET_LE16(pos + 2) & 0x3fff; + } else if (*pos == WLAN_EID_VHT_CAP && + pos[1] >= sizeof(struct ieee80211_vht_capabilities)) + { + ie->vht_capabilities = pos + 2; + } else if (*pos == WLAN_EID_QOS && pos[1] >= 1) { + ie->qosinfo = pos[2]; + } else if (*pos == WLAN_EID_SUPPORTED_CHANNELS) { + ie->supp_channels = pos + 2; + ie->supp_channels_len = pos[1]; + } else if (*pos == WLAN_EID_SUPPORTED_OPERATING_CLASSES) { + /* + * The value of the Length field of the Supported + * Operating Classes element is between 2 and 253. + * Silently skip invalid elements to avoid interop + * issues when trying to use the value. + */ + if (pos[1] >= 2 && pos[1] <= 253) { + ie->supp_oper_classes = pos + 2; + ie->supp_oper_classes_len = pos[1]; + } } else if (*pos == WLAN_EID_VENDOR_SPECIFIC) { ret = wpa_parse_generic(pos, end, ie); if (ret < 0) @@ -571,6 +587,14 @@ int wpa_supplicant_parse_ies(const u8 *buf, size_t len, ret = 0; break; } + + ret = wpa_parse_vendor_specific(pos, end, ie); + if (ret < 0) + break; + if (ret > 0) { + ret = 0; + break; + } } else { wpa_hexdump(MSG_DEBUG, "WPA: Unrecognized EAPOL-Key " "Key Data IE", pos, 2 + pos[1]);