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-rw-r--r--contrib/wpa/src/rsn_supp/wpa_ie.c224
1 files changed, 44 insertions, 180 deletions
diff --git a/contrib/wpa/src/rsn_supp/wpa_ie.c b/contrib/wpa/src/rsn_supp/wpa_ie.c
index f447223..3d75365 100644
--- a/contrib/wpa/src/rsn_supp/wpa_ie.c
+++ b/contrib/wpa/src/rsn_supp/wpa_ie.c
@@ -2,14 +2,8 @@
* wpa_supplicant - WPA/RSN IE and KDE processing
* Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
*
- * 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
@@ -185,6 +41,7 @@ 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 +53,26 @@ 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 +83,8 @@ 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);
@@ -260,6 +111,7 @@ static int wpa_gen_wpa_ie_rsn(u8 *rsn_ie, size_t rsn_ie_len,
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 +126,26 @@ 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 +154,8 @@ 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 +168,12 @@ 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 {
wpa_printf(MSG_WARNING, "Invalid key management type (%d).",
key_mgmt);
@@ -535,7 +387,6 @@ 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) {
ie->mdie = pos;
ie->mdie_len = pos[1] + 2;
@@ -562,7 +413,20 @@ 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_VENDOR_SPECIFIC) {
ret = wpa_parse_generic(pos, end, ie);
if (ret < 0)
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