1 files changed, 78 insertions, 0 deletions
diff --git a/attrib/gatt.c b/attrib/gatt.c
index 0b69daf6..360218b0 100644
--- a/attrib/gatt.c
+++ b/attrib/gatt.c
@@ -23,8 +23,11 @@
  */
 
 #include <stdint.h>
+#include <stdlib.h>
 #include <glib.h>
 #include <bluetooth/uuid.h>
+#include <bluetooth/sdp.h>
+#include <bluetooth/sdp_lib.h>
 
 #include "att.h"
 #include "gattrib.h"
@@ -575,3 +578,78 @@ guint gatt_write_cmd(GAttrib *attrib, uint16_t handle, uint8_t *value, int vlen,
 	return g_attrib_send(attrib, 0, ATT_OP_WRITE_CMD, buf, plen, NULL,
 							user_data, notify);
 }
+
+static sdp_data_t *proto_seq_find(sdp_list_t *proto_list)
+{
+	sdp_list_t *list;
+	uuid_t proto;
+
+	sdp_uuid16_create(&proto, ATT_UUID);
+
+	for (list = proto_list; list; list = list->next) {
+		sdp_list_t *p;
+		for (p = list->data; p; p = p->next) {
+			sdp_data_t *seq = p->data;
+			if (seq && seq->dtd == SDP_UUID16 &&
+				sdp_uuid16_cmp(&proto, &seq->val.uuid) == 0)
+				return seq->next;
+		}
+	}
+
+	return NULL;
+}
+
+static gboolean parse_proto_params(sdp_list_t *proto_list, uint16_t *psm,
+						uint16_t *start, uint16_t *end)
+{
+	sdp_data_t *seq1, *seq2;
+
+	if (psm)
+		*psm = sdp_get_proto_port(proto_list, L2CAP_UUID);
+
+	/* Getting start and end handle */
+	seq1 = proto_seq_find(proto_list);
+	if (!seq1 || seq1->dtd != SDP_UINT16)
+		return FALSE;
+
+	seq2 = seq1->next;
+	if (!seq2 || seq2->dtd != SDP_UINT16)
+		return FALSE;
+
+	if (start)
+		*start = seq1->val.uint16;
+
+	if (end)
+		*end = seq2->val.uint16;
+
+	return TRUE;
+}
+
+gboolean gatt_parse_record(const sdp_record_t *rec,
+					uuid_t *prim_uuid, uint16_t *psm,
+					uint16_t *start, uint16_t *end)
+{
+	sdp_list_t *list;
+	uuid_t uuid;
+	gboolean ret;
+
+	if (sdp_get_service_classes(rec, &list) < 0)
+		return FALSE;
+
+	memcpy(&uuid, list->data, sizeof(uuid));
+	sdp_list_free(list, free);
+
+	if (sdp_get_access_protos(rec, &list) < 0)
+		return FALSE;
+
+	ret = parse_proto_params(list, psm, start, end);
+
+	sdp_list_foreach(list, (sdp_list_func_t) sdp_list_free, NULL);
+	sdp_list_free(list, NULL);
+
+	/* FIXME: replace by bt_uuid_t after uuid_t/sdp code cleanup */
+	if (ret && prim_uuid)
+		memcpy(prim_uuid, &uuid, sizeof(uuid_t));
+
+	return ret;
+}