Function ospGetViaAddress

modules/osp/sipheader.c:1114–1150

* Get first VIA header and use the IP or host name * param msg SIP message * param viaaddr Via header IP address * param bufsize Size of viaaddr * return 0 success, -1 failure */

 * return 0 success, -1 failure
 */
int ospGetViaAddress(
    struct sip_msg* msg,
    char* viaaddr,
    int bufsize)
{
    struct hdr_field* hf;
    struct via_body* via;
    int result = -1;

    if ((viaaddr != NULL) && (bufsize > 0)) {
        /*
         * No need to call parse_headers, called already and VIA is parsed
         * anyway by default
         */
        for (hf = msg->headers; hf; hf = hf->next) {
            if (hf->type == HDR_VIA_T) {
                /* found first VIA */
                via = (struct via_body*)hf->parsed;

                if (via->port != 0) {
                    snprintf(viaaddr, bufsize, "%.*s:%d", via->host.len, via->host.s, via->port);
                } else {
                    ospCopyStrToBuffer(&via->host, viaaddr, bufsize);
                }

                LM_DBG("via address '%s'\n", viaaddr);

                result = 0;
                break;
            }
        }
    } else {
        LM_ERR("bad parameters to parse host from VIA header\n");
    }

    return result;
}

/*
 * Get source device IP address