int
eXosip_call_get_referto (int did, char *refer_to, size_t refer_to_len)
{
eXosip_dialog_t *jd = NULL;
eXosip_call_t *jc = NULL;
osip_transaction_t *tr = NULL;
osip_uri_t *referto_uri;
char atmp[256];
char *referto_tmp = NULL;
int i;
if (did <= 0)
return OSIP_BADPARAMETER;
eXosip_call_dialog_find (did, &jc, &jd);
if (jc == NULL || jd == NULL || jd->d_dialog == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No call here?\n"));
return OSIP_NOTFOUND;
}
tr = eXosip_find_last_invite (jc, jd);
if (tr == NULL || tr->orig_request == NULL)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_ERROR, NULL,
"eXosip: No transaction for call?\n"));
return OSIP_NOTFOUND;
}
i = osip_uri_clone (jd->d_dialog->remote_uri->url, &referto_uri);
if (i != 0)
return i;
snprintf (atmp, sizeof (atmp), "%s;to-tag=%s;from-tag=%s",
jd->d_dialog->call_id,
jd->d_dialog->remote_tag, jd->d_dialog->local_tag);
osip_uri_uheader_add (referto_uri, osip_strdup ("Replaces"), osip_strdup (atmp));
i = osip_uri_to_str (referto_uri, &referto_tmp);
if (i != 0)
{
osip_uri_free (referto_uri);
return i;
}
snprintf (refer_to, refer_to_len, "%s", referto_tmp);
osip_uri_free (referto_uri);
return OSIP_SUCCESS;
}
int
osip_uri_parse_headers (osip_uri_t * url, const char *headers)
{
char *and;
char *equal;
/* find '=' wich is the separator for one header */
/* find ';' wich is the separator for multiple headers */
equal = strchr (headers, '=');
and = strchr (headers + 1, '&');
if (equal == NULL) /* each header MUST have a value */
return -1;
do
{
char *hname;
char *hvalue;
hname = (char *) osip_malloc (equal - headers);
if (hname == NULL)
return -1;
osip_strncpy (hname, headers + 1, equal - headers - 1);
__osip_uri_unescape (hname);
if (and != NULL)
{
if (and - equal < 2)
{
osip_free (hname);
return -1;
}
hvalue = (char *) osip_malloc (and - equal);
if (hvalue == NULL)
{
osip_free (hname);
return -1;
}
osip_strncpy (hvalue, equal + 1, and - equal - 1);
__osip_uri_unescape (hvalue);
} else
{ /* this is for the last header (no and...) */
if (headers + strlen (headers) - equal + 1 < 2)
{
osip_free (hname);
return -1;
}
hvalue = (char *) osip_malloc (headers + strlen (headers) - equal + 1);
if (hvalue == NULL)
{
osip_free (hname);
return -1;
}
osip_strncpy (hvalue, equal + 1, headers + strlen (headers) - equal);
__osip_uri_unescape (hvalue);
}
osip_uri_uheader_add (url, hname, hvalue);
if (and == NULL) /* we just set the last header */
equal = NULL;
else /* continue on next header */
{
headers = and;
equal = strchr (headers, '=');
and = strchr (headers + 1, '&');
if (equal == NULL) /* each header MUST have a value */
return -1;
}
}
while (equal != NULL);
return 0;
}
