Multiple revisions 397921-397922

........
  r397921 | mmichelson | 2013-08-29 10:42:10 -0500 (Thu, 29 Aug 2013) | 6 lines
  
  Resolve assumptions that bridge snapshots would be non-NULL for transfer stasis events.
  
  Attempting to transfer an unbridged call would result in crashes in either CEL code or
  in the conversion to AMI messages.
........
  r397922 | mmichelson | 2013-08-29 10:42:29 -0500 (Thu, 29 Aug 2013) | 3 lines
  
  Remove extra debug message.
........

Merged revisions 397921-397922 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@397923 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_queue.c

@@ -5431,7 +5431,7 @@ static void handle_blind_transfer(void *userdata, struct stasis_subscription *su
 		return;
 	}
 
-	if (ast_json_integer_get(result_blob) == AST_BRIDGE_TRANSFER_FAIL) {
+	if (ast_json_integer_get(result_blob) != AST_BRIDGE_TRANSFER_SUCCESS) {
 		return;
 	}
 
@@ -5490,7 +5490,7 @@ static void handle_attended_transfer(void *userdata, struct stasis_subscription
 		return;
 	}
 
-	if (atxfer_msg->result == AST_BRIDGE_TRANSFER_FAIL ||
+	if (atxfer_msg->result != AST_BRIDGE_TRANSFER_SUCCESS ||
 			atxfer_msg->dest_type == AST_ATTENDED_TRANSFER_DEST_THREEWAY) {
 		return;
 	}

main/cel.c

@@ -1197,10 +1197,24 @@ static void cel_blind_transfer_cb(
 	struct ast_channel_snapshot *chan_snapshot = obj->channel;
 	struct ast_bridge_snapshot *bridge_snapshot = obj->bridge;
 	struct ast_json *blob = obj->blob;
-	struct ast_json *json_exten = ast_json_object_get(blob, "exten");
+	struct ast_json *json_result = ast_json_object_get(blob, "result");
-	struct ast_json *json_context = ast_json_object_get(blob, "context");
+	struct ast_json *json_exten;
+	struct ast_json *json_context;
 	RAII_VAR(struct ast_json *, extra, NULL, ast_json_unref);
 	const char *exten, *context;
+	enum ast_transfer_result result;
+
+	if (!json_result) {
+		return;
+	}
+
+	result = ast_json_integer_get(json_result);
+	if (result != AST_BRIDGE_TRANSFER_SUCCESS) {
+		return;
+	}
+
+	json_exten = ast_json_object_get(blob, "exten");
+	json_context = ast_json_object_get(blob, "context");
 
 	if (!json_exten || !json_context) {
 		return;
@@ -1211,6 +1225,7 @@ static void cel_blind_transfer_cb(
 	if (!exten || !context) {
 		return;
 	}
+
 	extra = ast_json_pack("{s: s, s: s, s: s}",
 		"extension", exten,
 		"context", context,

main/stasis_bridges.c

@@ -585,11 +585,17 @@ static struct ast_manager_event_blob *blind_transfer_to_ami(struct stasis_messag
 	}
 
 	channel_state = ast_manager_build_channel_state_string_prefix(blob->channel, "Transferer");
-	bridge_state = ast_manager_build_bridge_state_string(blob->bridge);
+	if (!channel_state) {
-	if (!channel_state || !bridge_state) {
 		return NULL;
 	}
 
+	if (blob->bridge) {
+		bridge_state = ast_manager_build_bridge_state_string(blob->bridge);
+		if (!bridge_state) {
+			return NULL;
+		}
+	}
+
 	exten = ast_json_string_get(ast_json_object_get(blob->blob, "exten"));
 	context = ast_json_string_get(ast_json_object_get(blob->blob, "context"));
 	result = ast_json_integer_get(ast_json_object_get(blob->blob, "result"));
@@ -604,7 +610,7 @@ static struct ast_manager_event_blob *blind_transfer_to_ami(struct stasis_messag
 			"Extension: %s\r\n",
 			result_strs[result],
 			ast_str_buffer(channel_state),
-			ast_str_buffer(bridge_state),
+			bridge_state ? ast_str_buffer(bridge_state) : "",
 			is_external ? "Yes" : "No",
 			context,
 			exten);