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103 lines
2.3 KiB
103 lines
2.3 KiB
/*
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* $Id$
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*
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* TLS module - common functions
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*
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* Copyright (C) 2001-2003 FhG FOKUS
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* Copyright (C) 2004,2005 Free Software Foundation, Inc.
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* Copyright (C) 2005 iptelorg GmbH
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*
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* This file is part of SIP-router, a free SIP server.
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*
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* SIP-router is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* SIP-router is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define _GNU_SOURCE 1 /* Needed for strndup */
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#include <string.h>
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#include <libgen.h>
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#include "../../mem/shm_mem.h"
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#include "../../globals.h"
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#include "tls_mod.h"
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#include "tls_util.h"
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/*!
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* \file
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* \brief SIP-router TLS support :: Common functions
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* \ingroup tls
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* Module: \ref tls
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*/
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/*
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* Make a shared memory copy of ASCII zero terminated string
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* Return value: -1 on error
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* 0 on success
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*/
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int shm_asciiz_dup(char** dest, char* val)
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{
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char* ret;
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int len;
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if (!val) {
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*dest = NULL;
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return 0;
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}
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len = strlen(val);
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ret = shm_malloc(len + 1);
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if (!ret) {
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ERR("No memory left\n");
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return -1;
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}
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memcpy(ret, val, len + 1);
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*dest = ret;
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return 0;
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}
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/*
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* Delete old TLS configuration that is not needed anymore
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*/
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void collect_garbage(void)
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{
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tls_domains_cfg_t* prev, *cur;
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/* Make sure we do not run two garbage collectors
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* at the same time
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*/
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lock_get(tls_domains_cfg_lock);
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/* Skip the current configuration, garbage starts
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* with the 2nd element on the list
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*/
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prev = *tls_domains_cfg;
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cur = (*tls_domains_cfg)->next;
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while(cur) {
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if (cur->ref_count == 0) {
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/* Not referenced by any existing connection */
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prev->next = cur->next;
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tls_free_cfg(cur);
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}
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prev = cur;
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cur = cur->next;
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}
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lock_release(tls_domains_cfg_lock);
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}
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