int gzc_msg_received(sr_event_param_t *evp)
{
sip_msg_t msg;
str *obuf;
char *nbuf = NULL;
str obody;
str nbody;
unsigned long olen;
unsigned long nlen;
int ret;
obuf = (str*)evp->data;
memset(&msg, 0, sizeof(sip_msg_t));
msg.buf = obuf->s;
msg.len = obuf->len;
if(gzc_prepare_msg(&msg)!=0)
{
goto done;
}
if(gzc_skip_msg(&msg))
{
goto done;
}
if(msg.first_line.type==SIP_REQUEST)
{
if(_gzc_sanity_checks!=0)
{
if(scb.check_defaults(&msg)<1)
{
LM_ERR("sanity checks failed\n");
goto done;
}
}
}
obody.s = get_body(&msg);
if (obody.s==NULL)
{
LM_DBG("no body for this SIP message\n");
goto done;
}
obody.len = msg.buf + msg.len - obody.s;
/* decompress the body */
nbody.s = _gzc_local_buffer;
nlen = BUF_SIZE;
olen = obody.len;
ret = uncompress((unsigned char*)nbody.s, &nlen,
(unsigned char*)obody.s, olen);
if(ret!=Z_OK)
{
LM_ERR("error decompressing body (%d)\n", ret);
goto done;
}
nbody.len = (int)nlen;
LM_DBG("body decompressed - old size: %d - new size: %d\n",
obody.len, nbody.len);
if(gzc_set_msg_body(&msg, &obody, &nbody)<0)
{
LM_ERR("error replacing body\n");
goto done;
}
nbuf = gzc_msg_update(&msg, (unsigned int*)&obuf->len);
if(obuf->len>=BUF_SIZE)
{
LM_ERR("new buffer overflow (%d)\n", obuf->len);
pkg_free(nbuf);
return -1;
}
memcpy(obuf->s, nbuf, obuf->len);
obuf->s[obuf->len] = '\0';
done:
if(nbuf!=NULL)
pkg_free(nbuf);
free_sip_msg(&msg);
return 0;
}
int th_msg_received(sr_event_param_t *evp)
{
sip_msg_t msg;
str *obuf;
char *nbuf = NULL;
int direction;
int dialog;
obuf = (str*)evp->data;
memset(&msg, 0, sizeof(sip_msg_t));
msg.buf = obuf->s;
msg.len = obuf->len;
if(th_prepare_msg(&msg)!=0)
{
goto done;
}
if(th_skip_msg(&msg))
{
goto done;
}
direction = 0;
th_cookie_value.s = "xx";
th_cookie_value.len = 2;
if(msg.first_line.type==SIP_REQUEST)
{
if(th_sanity_checks!=0)
{
if(scb.check_defaults(&msg)<1)
{
LM_ERR("sanity checks failed\n");
goto done;
}
}
dialog = (get_to(&msg)->tag_value.len>0)?1:0;
if(dialog)
{
direction = th_route_direction(&msg);
if(direction<0)
{
LM_ERR("not able to detect direction\n");
goto done;
}
th_cookie_value.s = (direction==0)?"dc":"uc";
} else {
th_cookie_value.s = "di";
}
if(dialog)
{
/* dialog request */
th_unmask_ruri(&msg);
th_unmask_route(&msg);
th_unmask_refer_to(&msg);
if(direction==1)
{
th_unmask_callid(&msg);
}
}
} else {
/* reply */
if(msg.via2==0)
{
/* one Via in received reply -- it is for local generated request
* - nothing to unhide unless is CANCEL/ACK */
if(!((get_cseq(&msg)->method_id)&(METHOD_CANCEL)))
goto done;
}
th_unmask_via(&msg, &th_cookie_value);
th_flip_record_route(&msg, 0);
if(th_cookie_value.s[0]=='u')
{
th_cookie_value.s = "dc";
} else {
th_cookie_value.s = "uc";
th_unmask_callid(&msg);
}
th_cookie_value.len = 2;
}
LM_DBG("adding cookie: %.*s\n", th_cookie_value.len, th_cookie_value.s);
th_add_cookie(&msg);
nbuf = th_msg_update(&msg, (unsigned int*)&obuf->len);
if(obuf->len>=BUF_SIZE)
{
LM_ERR("new buffer overflow (%d)\n", obuf->len);
pkg_free(nbuf);
return -1;
}
memcpy(obuf->s, nbuf, obuf->len);
obuf->s[obuf->len] = '\0';
done:
if(nbuf!=NULL)
pkg_free(nbuf);
free_sip_msg(&msg);
return 0;
}
int tps_msg_received(void *data)
{
sip_msg_t msg;
str *obuf;
char *nbuf = NULL;
int direction;
int dialog;
obuf = (str*)data;
memset(&msg, 0, sizeof(sip_msg_t));
msg.buf = obuf->s;
msg.len = obuf->len;
if(tps_prepare_msg(&msg)!=0) {
goto done;
}
if(tps_skip_msg(&msg)) {
goto done;
}
direction = 0;
if(msg.first_line.type==SIP_REQUEST) {
if(_tps_sanity_checks!=0) {
if(scb.check_defaults(&msg)<1) {
LM_ERR("sanity checks failed\n");
goto done;
}
}
dialog = (get_to(&msg)->tag_value.len>0)?1:0;
if(dialog) {
direction = tps_route_direction(&msg);
if(direction<0) {
LM_ERR("not able to detect direction\n");
goto done;
}
}
if(dialog) {
/* dialog request */
tps_request_received(&msg, dialog, direction);
}
} else {
/* reply */
if(msg.first_line.u.reply.statuscode==100) {
/* nothing to do - it should be absorbed */
return 0;
}
tps_response_received(&msg);
}
nbuf = tps_msg_update(&msg, (unsigned int*)&obuf->len);
if(obuf->len>=BUF_SIZE) {
LM_ERR("new buffer overflow (%d)\n", obuf->len);
pkg_free(nbuf);
return -1;
}
memcpy(obuf->s, nbuf, obuf->len);
obuf->s[obuf->len] = '\0';
done:
if(nbuf!=NULL)
pkg_free(nbuf);
free_sip_msg(&msg);
return 0;
}