int sipsess_reply_2xx(struct sipsess *sess, const struct sip_msg *msg,
uint16_t scode, const char *reason, struct mbuf *desc,
const char *fmt, va_list *ap)
{
struct sipsess_reply *reply;
struct sip_contact contact;
int err = ENOMEM;
reply = mem_zalloc(sizeof(*reply), destructor);
if (!reply)
goto out;
list_append(&sess->replyl, &reply->le, reply);
reply->seq = msg->cseq.num;
reply->msg = mem_ref((void *)msg);
reply->sess = sess;
sip_contact_set(&contact, sess->cuser, &msg->dst, msg->tp);
err = sip_treplyf(&sess->st, &reply->mb, sess->sip,
msg, true, scode, reason,
"%H"
"%v"
"%s%s%s"
"Content-Length: %zu\r\n"
"\r\n"
"%b",
sip_contact_print, &contact,
fmt, ap,
desc ? "Content-Type: " : "",
desc ? sess->ctype : "",
desc ? "\r\n" : "",
desc ? mbuf_get_left(desc) : (size_t)0,
desc ? mbuf_buf(desc) : NULL,
desc ? mbuf_get_left(desc) : (size_t)0);
if (err)
goto out;
tmr_start(&reply->tmr, 64 * SIP_T1, tmr_handler, reply);
tmr_start(&reply->tmrg, SIP_T1, retransmit_handler, reply);
if (!mbuf_get_left(msg->mb) && desc) {
reply->awaiting_answer = true;
sess->awaiting_answer = true;
}
out:
if (err) {
sess->st = mem_deref(sess->st);
mem_deref(reply);
}
return err;
}
static int send_handler(enum sip_transp tp, const struct sa *src,
const struct sa *dst, struct mbuf *mb, void *arg)
{
struct sip_contact contact;
struct sipsess *sess = arg;
(void)dst;
sip_contact_set(&contact, sess->cuser, src, tp);
return mbuf_printf(mb, "%H", sip_contact_print, &contact);
}
int sipnot_reply(struct sipnot *not, const struct sip_msg *msg,
uint16_t scode, const char *reason)
{
struct sip_contact contact;
uint32_t expires;
expires = (uint32_t)(tmr_get_expire(¬->tmr) / 1000);
sip_contact_set(&contact, not->cuser, &msg->dst, msg->tp);
return sip_treplyf(NULL, NULL, not->sip, msg, true, scode, reason,
"%H"
"Expires: %u\r\n"
"Content-Length: 0\r\n"
"\r\n",
sip_contact_print, &contact,
expires);
}
static void handle_options(struct ua *ua, const struct sip_msg *msg)
{
struct sip_contact contact;
struct call *call = NULL;
struct mbuf *desc = NULL;
int err;
err = ua_call_alloc(&call, ua, VIDMODE_ON, NULL, NULL, NULL);
if (err) {
(void)sip_treply(NULL, uag.sip, msg, 500, "Call Error");
return;
}
err = call_sdp_get(call, &desc, true);
if (err)
goto out;
sip_contact_set(&contact, ua_cuser(ua), &msg->dst, msg->tp);
err = sip_treplyf(NULL, NULL, uag.sip,
msg, true, 200, "OK",
"Allow: %s\r\n"
"%H"
"%H"
"Content-Type: application/sdp\r\n"
"Content-Length: %zu\r\n"
"\r\n"
"%b",
uag_allowed_methods(),
ua_print_supported, ua,
sip_contact_print, &contact,
mbuf_get_left(desc),
mbuf_buf(desc),
mbuf_get_left(desc));
if (err) {
warning("ua: options: sip_treplyf: %m\n", err);
}
out:
mem_deref(desc);
mem_deref(call);
}