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Properly clean up manager resources on exit

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This patch does two things:
1) It properly unregisters the manager CLI commands
2) It cleans up AMI users on exit.  Prior to this patch, the AMI users
   were not being disposed of properly, resulting in a memory leak.

(closes issue ASTERISK-20646)
Reported by: Corey Farrell
patches:
  manager_shutdown.patch uploaded by Corey Farrell (license 5909)
........

Merged revisions 375793 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 375794 from http://svn.asterisk.org/svn/asterisk/branches/10
........

Merged revisions 375795 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@375796 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matthew Jordan
2012-11-04 02:38:19 +00:00
parent a243f4f153
commit 4bd66cb96b
1 changed files with 37 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
main/manager.c
View File

@@ -7289,6 +7289,24 @@ static void load_channelvars(struct ast_variable *var)
AST_RWLIST_UNLOCK(&channelvars);
}
/*! \internal \brief Free a user record. Should already be removed from the list */
static void manager_free_user(struct ast_manager_user *user)
{
if (user->a1_hash) {
ast_free(user->a1_hash);
}
if (user->secret) {
ast_free(user->secret);
}
ao2_t_callback(user->whitefilters, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, NULL, NULL, "unlink all white filters");
ao2_t_callback(user->blackfilters, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, NULL, NULL, "unlink all black filters");
ao2_t_ref(user->whitefilters, -1, "decrement ref for white container, should be last one");
ao2_t_ref(user->blackfilters, -1, "decrement ref for black container, should be last one");
user->acl = ast_free_acl_list(user->acl);
ast_variables_destroy(user->chanvars);
ast_free(user);
}
/*! \internal \brief Clean up resources on Asterisk shutdown */
static void manager_shutdown(void)
{
@@ -7331,21 +7349,36 @@ static void manager_shutdown(void)
ast_manager_unregister("AOCMessage");
ast_manager_unregister("Filter");
ast_custom_function_unregister(&managerclient_function);
ast_cli_unregister_multiple(cli_manager, ARRAY_LEN(cli_manager));
}
#ifdef AST_XML_DOCS
ao2_t_global_obj_release(event_docs, "Dispose of event_docs");
#endif
ast_tcptls_server_stop(&ami_desc);
ast_tcptls_server_stop(&amis_desc);
if (ami_tls_cfg.certfile) {
ast_free(ami_tls_cfg.certfile);
ami_tls_cfg.certfile = NULL;
}
if (ami_tls_cfg.pvtfile) {
ast_free(ami_tls_cfg.pvtfile);
ami_tls_cfg.pvtfile = NULL;
}
if (ami_tls_cfg.cipher) {
ast_free(ami_tls_cfg.cipher);
ami_tls_cfg.cipher = NULL;
}
if (sessions) {
ao2_ref(sessions, -1);
sessions = NULL;
}
while ((user = AST_LIST_REMOVE_HEAD(&users, list))) {
ao2_ref(user->whitefilters, -1);
ao2_ref(user->blackfilters, -1);
ast_free(user);
manager_free_user(user);
}
}
@@ -7763,20 +7796,7 @@ static int __init_manager(int reload, int by_external_config)
/* We do not need to keep this user so take them out of the list */
AST_RWLIST_REMOVE_CURRENT(list);
ast_debug(4, "Pruning user '%s'\n", user->username);
/* Free their memory now */
if (user->a1_hash) {
ast_free(user->a1_hash);
}
if (user->secret) {
ast_free(user->secret);
}
ao2_t_callback(user->whitefilters, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, NULL, NULL, "unlink all white filters");
ao2_t_callback(user->blackfilters, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, NULL, NULL, "unlink all black filters");
ao2_t_ref(user->whitefilters, -1, "decrement ref for white container, should be last one");
ao2_t_ref(user->blackfilters, -1, "decrement ref for black container, should be last one");
user->acl = ast_free_acl_list(user->acl);
ast_variables_destroy(user->chanvars);
ast_free(user);
manager_free_user(user);
}
AST_RWLIST_TRAVERSE_SAFE_END;