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-rw-r--r--testing/asterisk/ASTERISK-18976.patch142
1 files changed, 142 insertions, 0 deletions
diff --git a/testing/asterisk/ASTERISK-18976.patch b/testing/asterisk/ASTERISK-18976.patch
new file mode 100644
index 0000000000..36c613ff4f
--- /dev/null
+++ b/testing/asterisk/ASTERISK-18976.patch
@@ -0,0 +1,142 @@
+--- a/pbx/pbx_lua.c.orig 2011-12-08 08:28:31.000000000 +0200
++++ b/pbx/pbx_lua.c 2011-12-08 08:54:22.000000000 +0200
+@@ -94,7 +94,6 @@
+ static void lua_create_application_metatable(lua_State *L);
+ static void lua_create_autoservice_functions(lua_State *L);
+ static void lua_create_hangup_function(lua_State *L);
+-static void lua_detect_goto(lua_State *L);
+ static void lua_concat_args(lua_State *L, int start, int nargs);
+
+ static void lua_state_destroy(void *data);
+@@ -213,19 +212,10 @@
+ chan = lua_touserdata(L, -1);
+ lua_pop(L, 1);
+
++ context = ast_strdupa(chan->context);
++ exten = ast_strdupa(chan->exten);
++ priority = chan->priority;
+
+- lua_getfield(L, LUA_REGISTRYINDEX, "context");
+- context = ast_strdupa(lua_tostring(L, -1));
+- lua_pop(L, 1);
+-
+- lua_getfield(L, LUA_REGISTRYINDEX, "exten");
+- exten = ast_strdupa(lua_tostring(L, -1));
+- lua_pop(L, 1);
+-
+- lua_getfield(L, LUA_REGISTRYINDEX, "priority");
+- priority = lua_tointeger(L, -1);
+- lua_pop(L, 1);
+-
+ lua_concat_args(L, 2, nargs);
+ data = lua_tostring(L, -1);
+
+@@ -256,75 +246,51 @@
+ return lua_error(L);
+ }
+
+- lua_detect_goto(L);
+-
+- return 0;
+-}
+-
+-/*!
+- * \brief Detect if a Goto or other dialplan jump has been executed and return
+- * control to the pbx engine.
+- */
+-static void lua_detect_goto(lua_State *L)
+-{
+- struct ast_channel *chan;
+-
+- lua_getfield(L, LUA_REGISTRYINDEX, "channel");
+- chan = lua_touserdata(L, -1);
+- lua_pop(L, 1);
+-
+- /* check context */
+- lua_getfield(L, LUA_REGISTRYINDEX, "context");
+- lua_pushstring(L, chan->context);
+- if (!lua_equal(L, -1, -2)) {
++ if (strcmp(context, chan->context)) {
++ lua_pushstring(L, context);
++ lua_pushstring(L, chan->context);
+ lua_pushliteral(L, "context");
+- goto e_goto_detected;
+- }
+- lua_pop(L, 2);
+-
+- /* check exten */
+- lua_getfield(L, LUA_REGISTRYINDEX, "exten");
+- lua_pushstring(L, chan->exten);
+- if (!lua_equal(L, -1, -2)) {
++ } else if (strcmp(exten, chan->exten)) {
++ lua_pushstring(L, exten);
++ lua_pushstring(L, chan->exten);
+ lua_pushliteral(L, "exten");
+- goto e_goto_detected;
+- }
+- lua_pop(L, 2);
+-
+- /* check priority */
+- lua_getfield(L, LUA_REGISTRYINDEX, "priority");
+- lua_pushinteger(L, chan->priority);
+- if (!lua_equal(L, -1, -2)) {
++ } else if (priority != chan->priority) {
++ lua_pushinteger(L, priority);
++ lua_pushinteger(L, chan->priority);
+ lua_pushliteral(L, "priority");
+- goto e_goto_detected;
++ } else {
++ /* no goto - restore the original position back
++ * to lua state, in case this was a recursive dialplan
++ * call (a dialplan application re-entering dialplan) */
++ lua_update_registry(L, context, exten, priority);
++ return 0;
+ }
+- lua_pop(L, 2);
+- return;
+-
+-e_goto_detected:
+- /* format our debug message */
+- lua_insert(L, -3);
+
+- lua_pushliteral(L, " changed from ");
++ /* goto detected - construct error message */
+ lua_insert(L, -3);
+-
+- lua_pushliteral(L, " to ");
+- lua_insert(L, -2);
+-
+- lua_concat(L, 5);
+-
+- ast_debug(2, "Goto detected: %s\n", lua_tostring(L, -1));
+- lua_pop(L, 1);
+-
+- /* let the lua engine know it needs to return control to the pbx */
+- lua_pushinteger(L, LUA_GOTO_DETECTED);
++
++ lua_pushliteral(L, " changed from ");
++ lua_insert(L, -3);
++
++ lua_pushliteral(L, " to ");
++ lua_insert(L, -2);
++
++ lua_concat(L, 5);
++
++ ast_debug(2, "Goto detected: %s\n", lua_tostring(L, -1));
++ lua_pop(L, 1);
++
++ /* let the lua engine know it needs to return control to the pbx */
++ lua_pushinteger(L, LUA_GOTO_DETECTED);
+ lua_error(L);
++
++ return 0;
+ }
+
+ /*!
+ * \brief [lua_CFunction] Used to get the value of a variable or dialplan
+ * function (for access from lua, don't call directly)
+- *
++ *
+ * The value of the variable or function is returned. This function is the
+ * 'get()' function in the following example as would be seen in
+ * extensions.lua.