int select_msg_first_line(str* res, select_t* s, struct sip_msg* msg)
{
res->s=SIP_MSG_START(msg);
res->len=msg->first_line.len;
trim_trailing(res);
return 0;
}
int select_msg_header(str* res, select_t* s, struct sip_msg* msg)
{
/* get all headers */
char *c;
res->s = SIP_MSG_START(msg) + msg->first_line.len;
c = get_body(msg);
res->len = c - res->s;
return 0;
}
static char* xhttp_to_sip(sip_msg_t* msg, int* new_msg_len)
{
unsigned int len, via_len;
char* via, *new_msg, *p;
str ip, port;
struct hostport hp;
struct dest_info dst;
ip.s = ip_addr2a(&msg->rcv.src_ip);
ip.len = strlen(ip.s);
port.s = int2str(msg->rcv.src_port, &port.len);
hp.host = &ip;
hp.port = &port;
init_dst_from_rcv(&dst, &msg->rcv);
via = via_builder(&via_len, &dst, 0, 0, &hp);
if (via == 0)
{
LM_DBG("failed to build via\n");
return 0;
}
len = via_len + msg->len;
p = new_msg = pkg_malloc(len + 1);
if (new_msg == 0)
{
LM_DBG("memory allocation failure (%d bytes)\n", len);
pkg_free(via);
return 0;
}
/* new message:
* <orig first line>
* Via: <faked via>
* <orig http message w/o the first line>
*/
memcpy(p, msg->first_line.u.request.method.s,
msg->first_line.len);
p += msg->first_line.len;
memcpy(p, via, via_len);
p += via_len;
memcpy(p, SIP_MSG_START(msg) + msg->first_line.len,
msg->len - msg->first_line.len);
new_msg[len] = 0;
pkg_free(via);
*new_msg_len = len;
return new_msg;
}