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/*
* $Id$
*
* Copyright (c) 2007 iptelorg GmbH
*
* This file is part of SIP-router, a free SIP server.
*
* SIP-router is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* SIP-router is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*!
* \file
* \brief SIP-router auth-identity :: HTTP
* \ingroup auth-identity
* Module: \ref auth-identity
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <curl/curl.h>
#include <curl/easy.h>
#include <openssl/pem.h>
#include <openssl/err.h>
#include <openssl/x509.h>
#include <openssl/bio.h>
#include "../../mem/mem.h"
#include "../../data_lump.h"
#include "auth_identity.h"
size_t curlmem_cb(void *ptr, size_t size, size_t nmemb, void *data)
{
size_t irealsize = size * nmemb;
/* too big certificate */
if (((str*)data)->len + irealsize >= CERTIFICATE_LENGTH)
return 0;
memcpy(&(((str*)data)->s[((str*)data)->len]), ptr, irealsize);
((str*)data)->len+=irealsize;
return irealsize;
}
int download_cer(str *suri, CURL *hcurl)
{
CURLcode iRes;
long lerr=200;
char snulled[CERTIFICATE_URL_LENGTH], *snulledptr=NULL;
int iRet=0;
if (suri->len < sizeof(snulled)) {
memcpy(snulled, suri->s, suri->len);
snulled[suri->len]=0;
} else {
/* +1 for the terminating \0 byte */
if (!(snulledptr=pkg_malloc(suri->len + 1))) {
LOG(L_ERR, "AUTH_IDENTITY:download_cer: Not enough memory error\n");
return -1;
}
memcpy(snulledptr, suri->s, suri->len);
snulledptr[suri->len]=0;
}
do {
if ((iRes=curl_easy_setopt(hcurl,
CURLOPT_URL,
snulledptr ? snulledptr : snulled))!=0) {
LOG(L_ERR,
"AUTH_IDENTITY:download_cer: Unable to set the url of certificate: %s\n",
curl_easy_strerror(iRes));
iRet=-2;
break;
}
if ((iRes=curl_easy_perform(hcurl))!=0) {
LOG(L_ERR,
"AUTH_IDENTITY:download_cer: Error while downloading certificate '%s'\n",
curl_easy_strerror(iRes));
iRet=-3;
break;
}
curl_easy_getinfo(hcurl,CURLINFO_RESPONSE_CODE,&lerr);
if (lerr/100 != 2) {
LOG(L_ERR, "AUTH_IDENTITY:download_cer: Bad HTTP response: %ld\n", lerr );
iRet=-4;
}
} while (0);
if (snulledptr)
pkg_free(snulledptr);
return iRet;
}
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