connect vendor wpa area to contrib

1 files changed, 107 insertions, 0 deletions

diff --git a/contrib/wpa/src/utils/uuid.c b/contrib/wpa/src/utils/uuid.c
new file mode 100644
index 0000000..620d3d6
--- /dev/null
+++ b/contrib/wpa/src/utils/uuid.c
@@ -0,0 +1,107 @@
+/*
+ * Universally Unique IDentifier (UUID)
+ * Copyright (c) 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.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "crypto.h"
+#include "sha1.h"
+#include "uuid.h"
+
+int uuid_str2bin(const char *str, u8 *bin)
+{
+	const char *pos;
+	u8 *opos;
+
+	pos = str;
+	opos = bin;
+
+	if (hexstr2bin(pos, opos, 4))
+		return -1;
+	pos += 8;
+	opos += 4;
+
+	if (*pos++ != '-' || hexstr2bin(pos, opos, 2))
+		return -1;
+	pos += 4;
+	opos += 2;
+
+	if (*pos++ != '-' || hexstr2bin(pos, opos, 2))
+		return -1;
+	pos += 4;
+	opos += 2;
+
+	if (*pos++ != '-' || hexstr2bin(pos, opos, 2))
+		return -1;
+	pos += 4;
+	opos += 2;
+
+	if (*pos++ != '-' || hexstr2bin(pos, opos, 6))
+		return -1;
+
+	return 0;
+}
+
+
+int uuid_bin2str(const u8 *bin, char *str, size_t max_len)
+{
+	int len;
+	len = os_snprintf(str, max_len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-"
+			  "%02x%02x-%02x%02x%02x%02x%02x%02x",
+			  bin[0], bin[1], bin[2], bin[3],
+			  bin[4], bin[5], bin[6], bin[7],
+			  bin[8], bin[9], bin[10], bin[11],
+			  bin[12], bin[13], bin[14], bin[15]);
+	if (len < 0 || (size_t) len >= max_len)
+		return -1;
+	return 0;
+}
+
+
+int is_nil_uuid(const u8 *uuid)
+{
+	int i;
+	for (i = 0; i < UUID_LEN; i++)
+		if (uuid[i])
+			return 0;
+	return 1;
+}
+
+
+void uuid_gen_mac_addr(const u8 *mac_addr, u8 *uuid)
+{
+	const u8 *addr[2];
+	size_t len[2];
+	u8 hash[SHA1_MAC_LEN];
+	u8 nsid[16] = {
+		0x52, 0x64, 0x80, 0xf8,
+		0xc9, 0x9b,
+		0x4b, 0xe5,
+		0xa6, 0x55,
+		0x58, 0xed, 0x5f, 0x5d, 0x60, 0x84
+	};
+
+	addr[0] = nsid;
+	len[0] = sizeof(nsid);
+	addr[1] = mac_addr;
+	len[1] = 6;
+	sha1_vector(2, addr, len, hash);
+	os_memcpy(uuid, hash, 16);
+
+	/* Version: 5 = named-based version using SHA-1 */
+	uuid[6] = (5 << 4) | (uuid[6] & 0x0f);
+
+	/* Variant specified in RFC 4122 */
+	uuid[8] = 0x80 | (uuid[8] & 0x3f);
+}