diff mbox series

[2/8] common: Add RSN parsing for Extended Key ID

Message ID 20200315190426.163478-3-alexander@wetzel-home.de
State Accepted
Headers show
Series Extended Key ID support | expand

Commit Message

Alexander Wetzel March 15, 2020, 7:04 p.m. UTC 
Add parsing for RSN_KEY_DATA_KEYID to wpa_parse_generic().

Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
---
 src/common/wpa_common.c | 8 ++++++++
 src/common/wpa_common.h | 1 +
 2 files changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/src/common/wpa_common.c b/src/common/wpa_common.c
index c63d7bce1..31db391fd 100644
--- a/src/common/wpa_common.c
+++ b/src/common/wpa_common.c
@@ -2717,6 +2717,14 @@  static int wpa_parse_generic(const u8 *pos, const u8 *end,
 		return 0;
 	}
 
+	if (pos[1] > RSN_SELECTOR_LEN + 1 &&
+	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_KEYID) {
+		ie->key_id = pos + 2 + RSN_SELECTOR_LEN;
+		wpa_hexdump(MSG_DEBUG, "WPA: KeyID in EAPOL-Key",
+			    pos, pos[1] + 2);
+		return 0;
+	}
+
 	if (pos[1] > RSN_SELECTOR_LEN + 2 &&
 	    RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_GROUPKEY) {
 		ie->gtk = pos + 2 + RSN_SELECTOR_LEN;
diff --git a/src/common/wpa_common.h b/src/common/wpa_common.h
index 7850c878e..1a9a4105f 100644
--- a/src/common/wpa_common.h
+++ b/src/common/wpa_common.h
@@ -494,6 +494,7 @@  struct wpa_eapol_ie_parse {
 	const u8 *rsn_ie;
 	size_t rsn_ie_len;
 	const u8 *pmkid;
+	const u8 *key_id;
 	const u8 *gtk;
 	size_t gtk_len;
 	const u8 *mac_addr;