X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=libeap%2Fsrc%2Futils%2Fwpabuf.c;h=96cb25cc1764b5be4095067b88a90eea9eada1d4;hb=d1dd9aae6741e74f20bfc35e1db598652680279d;hp=11e7323619de8b2131e51ce00afb08c864f92582;hpb=4f319dde67a76fe0aaf33f6d2788968012584ada;p=mech_eap.git

diff --git a/libeap/src/utils/wpabuf.c b/libeap/src/utils/wpabuf.c
index 11e7323..96cb25c 100644
--- a/libeap/src/utils/wpabuf.c
+++ b/libeap/src/utils/wpabuf.c
@@ -310,3 +310,33 @@ void wpabuf_printf(struct wpabuf *buf, char *fmt, ...)
 		wpabuf_overflow(buf, res);
 	buf->used += res;
 }
+
+
+/**
+ * wpabuf_parse_bin - Parse a null terminated string of binary data to a wpabuf
+ * @buf: Buffer with null terminated string (hexdump) of binary data
+ * Returns: wpabuf or %NULL on failure
+ *
+ * The string len must be a multiple of two and contain only hexadecimal digits.
+ */
+struct wpabuf * wpabuf_parse_bin(const char *buf)
+{
+	size_t len;
+	struct wpabuf *ret;
+
+	len = os_strlen(buf);
+	if (len & 0x01)
+		return NULL;
+	len /= 2;
+
+	ret = wpabuf_alloc(len);
+	if (ret == NULL)
+		return NULL;
+
+	if (hexstr2bin(buf, wpabuf_put(ret, len), len)) {
+		wpabuf_free(ret);
+		return NULL;
+	}
+
+	return ret;
+}