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authorJouni Malinen <j@w1.fi>2010-11-12 20:40:59 (GMT)
committerJouni Malinen <j@w1.fi>2010-11-12 20:40:59 (GMT)
commit327f71604c044b601898998db3f995ce5b28c186 (patch)
treed9d215e4892c33b911d7b6a64ed5276d1d4ed5fb /wlantest/bss.c
parentf3b87561d7614f4b4ea2aea13400a249225c7fee (diff)
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wlantest: Parse WPA/RSN IE and store info for BSS/STA
In addition, verify that the parameters that the STA is requesting match with what is enabled in the BSS.
Diffstat (limited to 'wlantest/bss.c')
-rw-r--r--wlantest/bss.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/wlantest/bss.c b/wlantest/bss.c
index 2435dce..a60ae33 100644
--- a/wlantest/bss.c
+++ b/wlantest/bss.c
@@ -15,6 +15,7 @@
#include "utils/includes.h"
#include "utils/common.h"
+#include "common/defs.h"
#include "common/ieee802_11_common.h"
#include "crypto/sha1.h"
#include "wlantest.h"
@@ -103,6 +104,9 @@ static void bss_add_pmk(struct wlantest *wt, struct wlantest_bss *bss)
void bss_update(struct wlantest *wt, struct wlantest_bss *bss,
struct ieee802_11_elems *elems)
{
+ struct wpa_ie_data data;
+ int update = 0;
+
if (elems->ssid == NULL || elems->ssid_len > 32) {
wpa_printf(MSG_INFO, "Invalid or missing SSID in a Beacon "
"frame for " MACSTR, MAC2STR(bss->bssid));
@@ -126,6 +130,7 @@ void bss_update(struct wlantest *wt, struct wlantest_bss *bss,
wpa_printf(MSG_INFO, "BSS " MACSTR " - RSN IE removed",
MAC2STR(bss->bssid));
bss->rsnie[0] = 0;
+ update = 1;
}
} else {
if (bss->rsnie[0] == 0 ||
@@ -135,6 +140,7 @@ void bss_update(struct wlantest *wt, struct wlantest_bss *bss,
"stored", MAC2STR(bss->bssid));
wpa_hexdump(MSG_DEBUG, "RSN IE", elems->rsn_ie - 2,
elems->rsn_ie_len + 2);
+ update = 1;
}
os_memcpy(bss->rsnie, elems->rsn_ie - 2,
elems->rsn_ie_len + 2);
@@ -145,6 +151,7 @@ void bss_update(struct wlantest *wt, struct wlantest_bss *bss,
wpa_printf(MSG_INFO, "BSS " MACSTR " - WPA IE removed",
MAC2STR(bss->bssid));
bss->wpaie[0] = 0;
+ update = 1;
}
} else {
if (bss->wpaie[0] == 0 ||
@@ -154,8 +161,94 @@ void bss_update(struct wlantest *wt, struct wlantest_bss *bss,
"stored", MAC2STR(bss->bssid));
wpa_hexdump(MSG_DEBUG, "WPA IE", elems->wpa_ie - 2,
elems->wpa_ie_len + 2);
+ update = 1;
}
os_memcpy(bss->wpaie, elems->wpa_ie - 2,
elems->wpa_ie_len + 2);
}
+
+ if (!update)
+ return;
+
+ bss->proto = 0;
+ bss->pairwise_cipher = 0;
+ bss->group_cipher = 0;
+ bss->key_mgmt = 0;
+ bss->rsn_capab = 0;
+ bss->mgmt_group_cipher = 0;
+
+ if (bss->wpaie[0]) {
+ if (wpa_parse_wpa_ie_wpa(bss->wpaie, 2 + bss->wpaie[1], &data)
+ < 0) {
+ wpa_printf(MSG_INFO, "Failed to parse WPA IE from "
+ MACSTR, MAC2STR(bss->bssid));
+ } else {
+ bss->proto |= data.proto;
+ bss->pairwise_cipher |= data.pairwise_cipher;
+ bss->group_cipher |= data.group_cipher;
+ bss->key_mgmt |= data.key_mgmt;
+ bss->rsn_capab = data.capabilities;
+ bss->mgmt_group_cipher |= data.mgmt_group_cipher;
+ }
+ }
+
+ if (bss->rsnie[0]) {
+ if (wpa_parse_wpa_ie_rsn(bss->rsnie, 2 + bss->rsnie[1], &data)
+ < 0) {
+ wpa_printf(MSG_INFO, "Failed to parse RSN IE from "
+ MACSTR, MAC2STR(bss->bssid));
+ } else {
+ bss->proto |= data.proto;
+ bss->pairwise_cipher |= data.pairwise_cipher;
+ bss->group_cipher |= data.group_cipher;
+ bss->key_mgmt |= data.key_mgmt;
+ bss->rsn_capab = data.capabilities;
+ bss->mgmt_group_cipher |= data.mgmt_group_cipher;
+ }
+ }
+
+ if (!(bss->proto & WPA_PROTO_RSN) ||
+ !(bss->rsn_capab & WPA_CAPABILITY_MFPC))
+ bss->mgmt_group_cipher = 0;
+
+ wpa_printf(MSG_INFO, "BSS " MACSTR
+ " proto=%s%s%s"
+ "pairwise=%s%s%s%s"
+ "group=%s%s%s%s%s%s"
+ "mgmt_group_cipher=%s"
+ "key_mgmt=%s%s%s%s%s%s%s%s"
+ "rsn_capab=%s%s%s%s%s",
+ MAC2STR(bss->bssid),
+ bss->proto == 0 ? "OPEN " : "",
+ bss->proto & WPA_PROTO_WPA ? "WPA " : "",
+ bss->proto & WPA_PROTO_RSN ? "WPA2 " : "",
+ bss->pairwise_cipher == 0 ? "N/A " : "",
+ bss->pairwise_cipher & WPA_CIPHER_NONE ? "NONE " : "",
+ bss->pairwise_cipher & WPA_CIPHER_TKIP ? "TKIP " : "",
+ bss->pairwise_cipher & WPA_CIPHER_CCMP ? "CCMP " : "",
+ bss->group_cipher == 0 ? "N/A " : "",
+ bss->group_cipher & WPA_CIPHER_NONE ? "NONE " : "",
+ bss->group_cipher & WPA_CIPHER_WEP40 ? "WEP40 " : "",
+ bss->group_cipher & WPA_CIPHER_WEP104 ? "WEP104 " : "",
+ bss->group_cipher & WPA_CIPHER_TKIP ? "TKIP " : "",
+ bss->group_cipher & WPA_CIPHER_CCMP ? "CCMP " : "",
+ bss->mgmt_group_cipher & WPA_CIPHER_AES_128_CMAC ? "BIP " :
+ "N/A ",
+ bss->key_mgmt == 0 ? "N/A " : "",
+ bss->key_mgmt & WPA_KEY_MGMT_IEEE8021X ? "EAP " : "",
+ bss->key_mgmt & WPA_KEY_MGMT_PSK ? "PSK " : "",
+ bss->key_mgmt & WPA_KEY_MGMT_WPA_NONE ? "WPA-NONE " : "",
+ bss->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X ? "FT-EAP " : "",
+ bss->key_mgmt & WPA_KEY_MGMT_FT_PSK ? "FT-PSK " : "",
+ bss->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256 ?
+ "EAP-SHA256 " : "",
+ bss->key_mgmt & WPA_KEY_MGMT_PSK_SHA256 ?
+ "PSK-SHA256 " : "",
+ bss->rsn_capab & WPA_CAPABILITY_PREAUTH ? "PREAUTH " : "",
+ bss->rsn_capab & WPA_CAPABILITY_NO_PAIRWISE ?
+ "NO_PAIRWISE " : "",
+ bss->rsn_capab & WPA_CAPABILITY_MFPR ? "MFPR " : "",
+ bss->rsn_capab & WPA_CAPABILITY_MFPC ? "MFPC " : "",
+ bss->rsn_capab & WPA_CAPABILITY_PEERKEY_ENABLED ?
+ "PEERKEY " : "");
}