// Determine the default private ID for a public ID contained in a URI. This
// is calculated as specified by the 3GPP specs by effectively stripping the
// scheme.
std::string PJUtils::default_private_id_from_uri(const pjsip_uri* uri)
{
std::string id;
if (PJSIP_URI_SCHEME_IS_SIP(uri) ||
PJSIP_URI_SCHEME_IS_SIPS(uri))
{
pjsip_sip_uri* sip_uri = (pjsip_sip_uri*)uri;
if (sip_uri->user.slen > 0)
{
id = PJUtils::pj_str_to_string(&sip_uri->user) + "@" + PJUtils::pj_str_to_string(&sip_uri->host);
}
else
{
id = PJUtils::pj_str_to_string(&sip_uri->host);
}
}
else if (PJSIP_URI_SCHEME_IS_TEL(uri))
{
id = PJUtils::pj_str_to_string(&((pjsip_tel_uri*)uri)->number) +
"@" + PJUtils::pj_str_to_string(&stack_data.default_home_domain);
}
else
{
const pj_str_t* scheme = pjsip_uri_get_scheme(uri);
LOG_WARNING("Unsupported scheme \"%.*s\" in To header when determining private ID - ignoring",
scheme->slen, scheme->ptr);
}
return id;
}
/*
* Verify that valid SIP url is given.
*/
static pj_status_t verify_sip_url(char *url)
{
pjsip_uri *p;
pj_pool_t *pool;
int len = (url ? strlen(url) : 0);
if (!len) return -1;
pool = pj_pool_create(global.pf, "check%p", 1024, 0, NULL);
if (!pool) return -1;
p = pjsip_parse_uri(pool, url, len, 0);
if (!p || pj_stricmp2(pjsip_uri_get_scheme(p), "sip") != 0)
p = NULL;
pj_pool_release(pool);
return p ? 0 : -1;
}
/*
* Verify that valid SIP url is given.
*/
static pj_status_t verify_sip_url(const char *c_url)
{
pjsip_uri *p;
pj_pool_t *pool;
char *url;
int len = (c_url ? pj_ansi_strlen(c_url) : 0);
if (!len) return -1;
pool = pj_pool_create(&app.cp.factory, "check%p", 1024, 0, NULL);
if (!pool) return PJ_ENOMEM;
url = pj_pool_alloc(pool, len+1);
pj_ansi_strcpy(url, c_url);
url[len] = '\0';
p = pjsip_parse_uri(pool, url, len, 0);
if (!p || pj_stricmp2(pjsip_uri_get_scheme(p), "sip") != 0)
p = NULL;
pj_pool_release(pool);
return p ? 0 : -1;
}
static const pj_str_t *pjsip_name_addr_get_scheme(const pjsip_name_addr *name)
{
pj_assert(name->uri != NULL);
return pjsip_uri_get_scheme(name->uri);
}
static pj_ssize_t pjsip_url_print( pjsip_uri_context_e context,
const pjsip_sip_uri *url,
char *buf, pj_size_t size)
{
int printed;
char *startbuf = buf;
char *endbuf = buf+size;
const pj_str_t *scheme;
const pjsip_parser_const_t *pc = pjsip_parser_const();
*buf = '\0';
/* Print scheme ("sip:" or "sips:") */
scheme = pjsip_uri_get_scheme(url);
copy_advance_check(buf, *scheme);
*buf++ = ':';
/* Print "user:password@", if any. */
if (url->user.slen) {
copy_advance_escape(buf, url->user, pc->pjsip_USER_SPEC);
if (url->passwd.slen) {
*buf++ = ':';
copy_advance_escape(buf, url->passwd, pc->pjsip_PASSWD_SPEC);
}
*buf++ = '@';
}
/* Print host. */
pj_assert(url->host.slen != 0);
/* Detect IPv6 IP address */
if (pj_memchr(url->host.ptr, ':', url->host.slen)) {
copy_advance_pair_quote_cond(buf, "", 0, url->host, '[', ']');
} else {
copy_advance_check(buf, url->host);
}
/* Only print port if it is explicitly specified.
* Port is not allowed in To and From header, see Table 1 in
* RFC 3261 Section 19.1.1
*/
/* Note: ticket #1141 adds run-time setting to allow port number to
* appear in From/To header. Default is still false.
*/
if (url->port &&
(context != PJSIP_URI_IN_FROMTO_HDR ||
pjsip_cfg()->endpt.allow_port_in_fromto_hdr))
{
if (endbuf - buf < 10)
return -1;
*buf++ = ':';
printed = pj_utoa(url->port, buf);
buf += printed;
}
/* User param is allowed in all contexes */
copy_advance_pair_check(buf, ";user="******";method=", 8, url->method_param,
pc->pjsip_PARAM_CHAR_SPEC);
}
/* Transport is not allowed in From/To header. */
if (context != PJSIP_URI_IN_FROMTO_HDR) {
copy_advance_pair_escape(buf, ";transport=", 11, url->transport_param,
pc->pjsip_PARAM_CHAR_SPEC);
}
/* TTL param is not allowed in From, To, Route, and Record-Route header. */
if (url->ttl_param >= 0 && context != PJSIP_URI_IN_FROMTO_HDR &&
context != PJSIP_URI_IN_ROUTING_HDR)
{
if (endbuf - buf < 15)
return -1;
pj_memcpy(buf, ";ttl=", 5);
printed = pj_utoa(url->ttl_param, buf+5);
buf += printed + 5;
}
/* maddr param is not allowed in From and To header. */
if (context != PJSIP_URI_IN_FROMTO_HDR && url->maddr_param.slen) {
/* Detect IPv6 IP address */
if (pj_memchr(url->maddr_param.ptr, ':', url->maddr_param.slen)) {
copy_advance_pair_quote_cond(buf, ";maddr=", 7, url->maddr_param,
'[', ']');
} else {
copy_advance_pair_escape(buf, ";maddr=", 7, url->maddr_param,
pc->pjsip_PARAM_CHAR_SPEC);
}
}
/* lr param is not allowed in From, To, and Contact header. */
if (url->lr_param && context != PJSIP_URI_IN_FROMTO_HDR &&
context != PJSIP_URI_IN_CONTACT_HDR)
{
pj_str_t lr = { ";lr", 3 };
if (endbuf - buf < 3)
return -1;
copy_advance_check(buf, lr);
}
/* Other param. */
printed = pjsip_param_print_on(&url->other_param, buf, endbuf-buf,
&pc->pjsip_PARAM_CHAR_SPEC,
&pc->pjsip_PARAM_CHAR_SPEC, ';');
if (printed < 0)
return -1;
buf += printed;
/* Header param.
* Header param is only allowed in these contexts:
* - PJSIP_URI_IN_CONTACT_HDR
* - PJSIP_URI_IN_OTHER
*/
if (context == PJSIP_URI_IN_CONTACT_HDR || context == PJSIP_URI_IN_OTHER) {
printed = pjsip_param_print_on(&url->header_param, buf, endbuf-buf,
&pc->pjsip_HDR_CHAR_SPEC,
&pc->pjsip_HDR_CHAR_SPEC, '?');
if (printed < 0)
return -1;
buf += printed;
}
*buf = '\0';
return buf-startbuf;
}
static pj_ssize_t pjsip_url_print( pjsip_uri_context_e context,
const pjsip_sip_uri *url,
char *buf, pj_size_t size)
{
int printed;
char *startbuf = buf;
char *endbuf = buf+size;
const pj_str_t *scheme;
*buf = '\0';
/* Print scheme ("sip:" or "sips:") */
scheme = pjsip_uri_get_scheme(url);
copy_advance_check(buf, *scheme);
*buf++ = ':';
/* Print "user:password@", if any. */
if (url->user.slen) {
copy_advance_escape(buf, url->user, pjsip_USER_SPEC);
if (url->passwd.slen) {
*buf++ = ':';
copy_advance_escape(buf, url->passwd, pjsip_PASSWD_SPEC);
}
*buf++ = '@';
}
/* Print host. */
pj_assert(url->host.slen != 0);
copy_advance_check(buf, url->host);
/* Only print port if it is explicitly specified.
* Port is not allowed in To and From header.
*/
/* Unfortunately some UA requires us to send back the port
* number exactly as it was sent. We don't remember whether an
* UA has sent us port, so we'll just send the port indiscrimately
*/
//PJ_TODO(SHOULD_DISALLOW_URI_PORT_IN_FROM_TO_HEADER)
if (url->port && context != PJSIP_URI_IN_FROMTO_HDR) {
if (endbuf - buf < 10)
return -1;
*buf++ = ':';
printed = pj_utoa(url->port, buf);
buf += printed;
}
/* User param is allowed in all contexes */
copy_advance_pair_check(buf, ";user="******";method=", 8, url->method_param,
pjsip_PARAM_CHAR_SPEC);
}
/* Transport is not allowed in From/To header. */
if (context != PJSIP_URI_IN_FROMTO_HDR) {
copy_advance_pair_escape(buf, ";transport=", 11, url->transport_param,
pjsip_PARAM_CHAR_SPEC);
}
/* TTL param is not allowed in From, To, Route, and Record-Route header. */
if (url->ttl_param >= 0 && context != PJSIP_URI_IN_FROMTO_HDR &&
context != PJSIP_URI_IN_ROUTING_HDR)
{
if (endbuf - buf < 15)
return -1;
pj_memcpy(buf, ";ttl=", 5);
printed = pj_utoa(url->ttl_param, buf+5);
buf += printed + 5;
}
/* maddr param is not allowed in From and To header. */
if (context != PJSIP_URI_IN_FROMTO_HDR) {
copy_advance_pair_escape(buf, ";maddr=", 7, url->maddr_param,
pjsip_PARAM_CHAR_SPEC);
}
/* lr param is not allowed in From, To, and Contact header. */
if (url->lr_param && context != PJSIP_URI_IN_FROMTO_HDR &&
context != PJSIP_URI_IN_CONTACT_HDR)
{
pj_str_t lr = { ";lr", 3 };
if (endbuf - buf < 3)
return -1;
copy_advance_check(buf, lr);
}
/* Other param. */
printed = pjsip_param_print_on(&url->other_param, buf, endbuf-buf,
&pjsip_PARAM_CHAR_SPEC,
&pjsip_PARAM_CHAR_SPEC, ';');
if (printed < 0)
return -1;
buf += printed;
/* Header param.
* Header param is only allowed in these contexts:
* - PJSIP_URI_IN_CONTACT_HDR
* - PJSIP_URI_IN_OTHER
*/
if (context == PJSIP_URI_IN_CONTACT_HDR || context == PJSIP_URI_IN_OTHER) {
printed = pjsip_param_print_on(&url->header_param, buf, endbuf-buf,
&pjsip_HDR_CHAR_SPEC,
&pjsip_HDR_CHAR_SPEC, '?');
if (printed < 0)
return -1;
buf += printed;
}
*buf = '\0';
return buf-startbuf;
}
