FS-8643: fix mod_sofia memory leaks

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -2638,6 +2638,7 @@ static switch_status_t cmd_status(char **argv, int argc, switch_stream_handle_t
 							stream->write_function(stream, "%25s\t%32s\t%s\t%6.2f\t%u/%u\t%u/%u",
 												   pkey, gp->register_to, sofia_state_names[gp->state], gp->ping_time,
 												   gp->ib_failed_calls, gp->ib_calls, gp->ob_failed_calls, gp->ob_calls);
+							free(pkey);
 
 							if (gp->state == REG_STATE_FAILED || gp->state == REG_STATE_TRYING) {
 								time_t now = switch_epoch_time_now(NULL);
@@ -4949,6 +4950,7 @@ static int notify_csta_callback(void *pArg, int argc, char **argv, char **column
 	switch_safe_free(route_uri);
 	sofia_glue_free_destination(dst);
 
+	free(extra_headers);
 	free(id);
 	free(contact);
 
@@ -5207,6 +5209,7 @@ static void general_event_handler(switch_event_t *event)
 			const char *csta_event = switch_event_get_header(event, "Feature-Event");
 
 			char *ct = "application/x-as-feature-event+xml";
+			char *ct_m = NULL;
 
 			sofia_profile_t *profile;
 
@@ -5258,7 +5261,8 @@ static void general_event_handler(switch_event_t *event)
 
 						stream.write_function(&stream, "--%s--\r\n", boundary_string);
 
-						ct = switch_mprintf("multipart/mixed; boundary=\"%s\"", boundary_string);
+						ct_m = switch_mprintf("multipart/mixed; boundary=\"%s\"", boundary_string);
+						ct = ct_m;
 					} else {
 						char *fwd_type = NULL;
 
@@ -5295,6 +5299,7 @@ static void general_event_handler(switch_event_t *event)
 			} else {
 				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "missing something\n");
 			}
+			switch_safe_free(ct_m);
 		}
 		break;
 	case SWITCH_EVENT_SEND_MESSAGE:

src/mod/endpoints/mod_sofia/sofia.c

@@ -3384,6 +3384,7 @@ static void parse_gateways(sofia_profile_t *profile, switch_xml_t gateways_tag)
 
 		if (zstr(name) || switch_regex_match(name, "^[\\w\\.\\-\\_]+$") != SWITCH_STATUS_SUCCESS) {
 			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Ignoring invalid name '%s'\n", name ? name : "NULL");
+			free(pkey);
 			goto skip;
 		}
 
@@ -8697,9 +8698,7 @@ void sofia_handle_sip_i_refer(nua_t *nua, sofia_profile_t *profile, nua_handle_t
 		home = NULL;
 	}
 
-	if (etmp) {
-		switch_safe_free(etmp);
-	}
+	switch_safe_free(etmp);
 }
 
 

src/mod/endpoints/mod_sofia/sofia_presence.c

@@ -1958,7 +1958,7 @@ static int sofia_dialog_probe_callback(void *pArg, int argc, char **argv, char *
 	char *remote_user;
 	char *remote_host;
 	char *remote_uri;
-	char *local_user_param = "";
+	char *local_user_param = NULL;
 	char remote_display_buf[512];
 	char *buf_to_free = NULL;
 	int bInternal = 0;
@@ -2091,13 +2091,14 @@ static int sofia_dialog_probe_callback(void *pArg, int argc, char **argv, char *
 							  data,
 							  uuid, call_id, to_tag, from_tag, direction,
 							  state,
-							  local_user, local_user, local_host, local_user_param,
+							  local_user, local_user, local_host, switch_str_nil(local_user_param),
 							  local_user, local_host,
 							  !strcasecmp(event_status, "hold") ? "no" : "yes",
 							  remote_display_buf, remote_user, remote_host,
 							  remote_uri
 							  );
 	switch_core_hash_insert(h->hash, key, tmp);
+	switch_safe_free(local_user_param);
 	switch_safe_free(buf_to_free);
 
 	h->rowcount++;