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/*
eXosip - This is the eXtended osip library.
Copyright (C) 2002,2003,2004,2005,2006,2007 Aymeric MOIZARD - jack@atosc.org
eXosip 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.
eXosip 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifdef ENABLE_MPATROL
#include <mpatrol.h>
#endif
#include "eXosip2.h"
#include <osipparser2/osip_md5.h>
/* TAKEN from rcf2617.txt */
#define HASHLEN 16
typedef char HASH[HASHLEN];
#define HASHHEXLEN 32
typedef char HASHHEX[HASHHEXLEN + 1];
void CvtHex(HASH Bin, HASHHEX Hex);
extern eXosip_t eXosip;
int
eXosip_reg_init(eXosip_reg_t ** jr, const char *from, const char *proxy,
const char *contact)
{
static int r_id = 0;
*jr = (eXosip_reg_t *) osip_malloc(sizeof(eXosip_reg_t));
if (*jr == NULL)
return OSIP_NOMEM;
if (r_id == 32767) /* keep it non-negative */
r_id = 0;
memset(*jr, '\0', sizeof(eXosip_reg_t));
(*jr)->r_id = ++r_id;
(*jr)->r_reg_period = 3600; /* delay between registration */
(*jr)->r_aor = osip_strdup(from); /* sip identity */
if ((*jr)->r_aor == NULL) {
osip_free(*jr);
*jr = NULL;
return OSIP_NOMEM;
}
(*jr)->r_contact = osip_strdup(contact); /* sip identity */
(*jr)->r_registrar = osip_strdup(proxy); /* registrar */
if ((*jr)->r_registrar == NULL) {
osip_free((*jr)->r_contact);
osip_free((*jr)->r_aor);
osip_free(*jr);
*jr = NULL;
return OSIP_NOMEM;
}
{
osip_MD5_CTX Md5Ctx;
HASH hval;
HASHHEX key_line;
char localip[128];
char firewall_ip[65];
char firewall_port[10];
char somerandom[31];
memset(somerandom, 0, sizeof(somerandom));
eXosip_generate_random(somerandom, 16);
memset(localip, '\0', sizeof(localip));
memset(firewall_ip, '\0', sizeof(firewall_ip));
memset(firewall_port, '\0', sizeof(firewall_port));
eXosip_guess_localip(AF_INET, localip, 128);
if (eXosip.eXtl != NULL && eXosip.eXtl->tl_get_masquerade_contact != NULL) {
eXosip.eXtl->tl_get_masquerade_contact(firewall_ip,
sizeof(firewall_ip),
firewall_port,
sizeof(firewall_port));
}
osip_MD5Init(&Md5Ctx);
osip_MD5Update(&Md5Ctx, (unsigned char *) from, strlen(from));
osip_MD5Update(&Md5Ctx, (unsigned char *) ":", 1);
osip_MD5Update(&Md5Ctx, (unsigned char *) proxy, strlen(proxy));
osip_MD5Update(&Md5Ctx, (unsigned char *) ":", 1);
osip_MD5Update(&Md5Ctx, (unsigned char *) localip, strlen(localip));
osip_MD5Update(&Md5Ctx, (unsigned char *) ":", 1);
osip_MD5Update(&Md5Ctx, (unsigned char *) firewall_ip,
strlen(firewall_ip));
osip_MD5Update(&Md5Ctx, (unsigned char *) ":", 1);
osip_MD5Update(&Md5Ctx, (unsigned char *) firewall_port,
strlen(firewall_port));
/* previously, "line" was common accross several identical restart. */
/* including random will help to read a correct "expires" parameter */
/* from 2xx REGISTER answers */
osip_MD5Update(&Md5Ctx, (unsigned char *) ":", 1);
osip_MD5Update(&Md5Ctx, (unsigned char *) somerandom,
strlen(somerandom));
osip_MD5Final((unsigned char *) hval, &Md5Ctx);
CvtHex(hval, key_line);
osip_strncpy((*jr)->r_line, key_line, sizeof((*jr)->r_line) - 1);
}
return OSIP_SUCCESS;
}
void eXosip_reg_free(eXosip_reg_t * jreg)
{
osip_free(jreg->r_aor);
osip_free(jreg->r_contact);
osip_free(jreg->r_registrar);
if (jreg->r_last_tr != NULL) {
if (jreg->r_last_tr != NULL && jreg->r_last_tr->orig_request != NULL
&& jreg->r_last_tr->orig_request->call_id != NULL
&& jreg->r_last_tr->orig_request->call_id->number != NULL)
_eXosip_delete_nonce(jreg->r_last_tr->orig_request->call_id->number);
if (jreg->r_last_tr->state == IST_TERMINATED ||
jreg->r_last_tr->state == ICT_TERMINATED ||
jreg->r_last_tr->state == NICT_TERMINATED ||
jreg->r_last_tr->state == NIST_TERMINATED) {
OSIP_TRACE(osip_trace(__FILE__, __LINE__, OSIP_INFO1, NULL,
"Release a terminated transaction\n"));
__eXosip_delete_jinfo(jreg->r_last_tr);
if (jreg->r_last_tr != NULL)
osip_list_add(&eXosip.j_transactions, jreg->r_last_tr, 0);
} else {
OSIP_TRACE(osip_trace(__FILE__, __LINE__, OSIP_INFO1, NULL,
"Release a non-terminated transaction\n"));
__eXosip_delete_jinfo(jreg->r_last_tr);
if (jreg->r_last_tr != NULL)
osip_list_add(&eXosip.j_transactions, jreg->r_last_tr, 0);
}
}
osip_free(jreg);
}
int _eXosip_reg_find(eXosip_reg_t ** reg, osip_transaction_t * tr)
{
eXosip_reg_t *jreg;
*reg = NULL;
if (tr == NULL)
return OSIP_BADPARAMETER;
for (jreg = eXosip.j_reg; jreg != NULL; jreg = jreg->next) {
if (jreg->r_last_tr == tr) {
*reg = jreg;
return OSIP_SUCCESS;
}
}
return OSIP_NOTFOUND;
}
int eXosip_reg_find_id(eXosip_reg_t ** reg, int rid)
{
eXosip_reg_t *jreg;
*reg = NULL;
if (rid <= 0)
return OSIP_BADPARAMETER;
for (jreg = eXosip.j_reg; jreg != NULL; jreg = jreg->next) {
if (jreg->r_id == rid) {
*reg = jreg;
return OSIP_SUCCESS;
}
}
return OSIP_NOTFOUND;
}
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