wpa_supplicant: Update to 29-Aug-2012 TOT

commit 6ffdc2f7bd496ace7a46e055f9714e7db4b1f722
Author: Jouni Malinen <jouni@qca.qualcomm.com>
Date:   Fri Mar 2 22:31:04 2012 +0200

    WFD: Add preliminary WSD request processing and response

    This commit does not yet address support for different device roles,
    i.e., the same set of subelements are returned regardless of which
    role was indicated in the request.

    Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

Change-Id: I9d63acce719b982c02e589bb59602382e82988c8
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>

3 files changed, 45 insertions, 13 deletions

diff --git a/src/eap_common/eap_common.c b/src/eap_common/eap_common.c
index 0d6ef931..7b077cb9 100644
--- a/src/eap_common/eap_common.c
+++ b/src/eap_common/eap_common.c
@@ -1,6 +1,6 @@
 /*
  * EAP common peer/server definitions
- * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2012, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -13,6 +13,41 @@
 #include "eap_common.h"
 
 /**
+ * eap_hdr_len_valid - Validate EAP header length field
+ * @msg: EAP frame (starting with EAP header)
+ * @min_payload: Minimum payload length needed
+ * Returns: 1 for valid header, 0 for invalid
+ *
+ * This is a helper function that does minimal validation of EAP messages. The
+ * length field is verified to be large enough to include the header and not
+ * too large to go beyond the end of the buffer.
+ */
+int eap_hdr_len_valid(const struct wpabuf *msg, size_t min_payload)
+{
+	const struct eap_hdr *hdr;
+	size_t len;
+
+	if (msg == NULL)
+		return 0;
+
+	hdr = wpabuf_head(msg);
+
+	if (wpabuf_len(msg) < sizeof(*hdr)) {
+		wpa_printf(MSG_INFO, "EAP: Too short EAP frame");
+		return 0;
+	}
+
+	len = be_to_host16(hdr->length);
+	if (len < sizeof(*hdr) + min_payload || len > wpabuf_len(msg)) {
+		wpa_printf(MSG_INFO, "EAP: Invalid EAP length");
+		return 0;
+	}
+
+	return 1;
+}
+
+
+/**
  * eap_hdr_validate - Validate EAP header
  * @vendor: Expected EAP Vendor-Id (0 = IETF)
  * @eap_type: Expected EAP type number
@@ -35,19 +70,11 @@ const u8 * eap_hdr_validate(int vendor, EapType eap_type,
 	const u8 *pos;
 	size_t len;
 
-	hdr = wpabuf_head(msg);
-
-	if (wpabuf_len(msg) < sizeof(*hdr)) {
-		wpa_printf(MSG_INFO, "EAP: Too short EAP frame");
+	if (!eap_hdr_len_valid(msg, 1))
 		return NULL;
-	}
 
+	hdr = wpabuf_head(msg);
 	len = be_to_host16(hdr->length);
-	if (len < sizeof(*hdr) + 1 || len > wpabuf_len(msg)) {
-		wpa_printf(MSG_INFO, "EAP: Invalid EAP length");
-		return NULL;
-	}
-
 	pos = (const u8 *) (hdr + 1);
 
 	if (*pos == EAP_TYPE_EXPANDED) {
diff --git a/src/eap_common/eap_common.h b/src/eap_common/eap_common.h
index 73f27972..8850c1fe 100644
--- a/src/eap_common/eap_common.h
+++ b/src/eap_common/eap_common.h
@@ -1,6 +1,6 @@
 /*
  * EAP common peer/server definitions
- * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2012, Jouni Malinen <j@w1.fi>
  *
  * This software may be distributed under the terms of the BSD license.
  * See README for more details.
@@ -11,6 +11,7 @@
 
 #include "wpabuf.h"
 
+int eap_hdr_len_valid(const struct wpabuf *msg, size_t min_payload);
 const u8 * eap_hdr_validate(int vendor, EapType eap_type,
 			    const struct wpabuf *msg, size_t *plen);
 struct wpabuf * eap_msg_alloc(int vendor, EapType type, size_t payload_len,
diff --git a/src/eap_common/eap_defs.h b/src/eap_common/eap_defs.h
index 360193a9..0d247c4d 100644
--- a/src/eap_common/eap_defs.h
+++ b/src/eap_common/eap_defs.h
@@ -71,9 +71,13 @@ typedef enum {
 enum {
 	EAP_VENDOR_IETF = 0,
 	EAP_VENDOR_MICROSOFT = 0x000137 /* Microsoft */,
-	EAP_VENDOR_WFA = 0x00372A /* Wi-Fi Alliance */
+	EAP_VENDOR_WFA = 0x00372A /* Wi-Fi Alliance */,
+	EAP_VENDOR_HOSTAP = 39068 /* hostapd/wpa_supplicant project */
 };
 
+#define EAP_VENDOR_UNAUTH_TLS EAP_VENDOR_HOSTAP
+#define EAP_VENDOR_TYPE_UNAUTH_TLS 1
+
 #define EAP_MSK_LEN 64
 #define EAP_EMSK_LEN 64