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Make the address family filter specific to the transport.

Browse Source 
(closes issue ASTERISK-16618)
Reported by: Leif Madsen

Review: https://reviewboard.asterisk.org/r/1667/
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Merged revisions 369471 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 369472 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@369473 65c4cc65-6c06-0410-ace0-fbb531ad65f3
certified/11.2
Joshua Colp 13 years ago
parent 1609fca6bb
commit 2e23dbb4b6
1 changed files with 40 additions and 16 deletions
Show Stats Download Patch File Download Diff File

56
channels/chan_sip.c
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@ -1272,7 +1272,7 @@ static const char *sip_get_callid(struct ast_channel *chan);
static int handle_request_do(struct sip_request *req, struct ast_sockaddr *addr);
static int sip_standard_port(enum sip_transport type, int port);
static int sip_prepare_socket(struct sip_pvt *p);
static int get_address_family_filter(const struct ast_sockaddr *addr);
static int get_address_family_filter(unsigned int transport);
/*--- Transmitting responses and requests */
static int sipsock_read(int *id, int fd, short events, void *ignore);
@ -1456,6 +1456,8 @@ static int ast_sockaddr_resolve_first_af(struct ast_sockaddr *addr,
const char *name, int flag, int family);
static int ast_sockaddr_resolve_first(struct ast_sockaddr *addr,
const char *name, int flag);
static int ast_sockaddr_resolve_first_transport(struct ast_sockaddr *addr,
const char *name, int flag, unsigned int transport);
/*--- Debugging
Functions for enabling debug per IP or fully, or enabling history logging for
@ -3151,7 +3153,7 @@ static int proxy_update(struct sip_proxy *proxy)
if (!ast_sockaddr_parse(&proxy->ip, proxy->name, 0)) {
/* Ok, not an IP address, then let's check if it's a domain or host */
/* XXX Todo - if we have proxy port, don't do SRV */
proxy->ip.ss.ss_family = get_address_family_filter(&bindaddr); /* Filter address family */
proxy->ip.ss.ss_family = get_address_family_filter(SIP_TRANSPORT_UDP); /* Filter address family */
if (ast_get_ip_or_srv(&proxy->ip, proxy->name, sip_cfg.srvlookup ? "_sip._udp" : NULL) < 0) {
ast_log(LOG_WARNING, "Unable to locate host '%s'\n", proxy->name);
return FALSE;
@ -4880,7 +4882,7 @@ static int realtime_peer_by_name(const char *const *name, struct ast_sockaddr *a
if (ast_sockaddr_resolve(&addrs,
tmp->value,
PARSE_PORT_FORBID,
get_address_family_filter(&bindaddr)) <= 0 ||
get_address_family_filter(SIP_TRANSPORT_UDP)) <= 0 ||
ast_sockaddr_cmp(&addrs[0], addr)) {
/* No match */
ast_variables_destroy(*var);
@ -5597,7 +5599,7 @@ static int create_addr(struct sip_pvt *dialog, const char *opeer, struct ast_soc
}
}
if (ast_sockaddr_resolve_first(&dialog->sa, hostn, 0)) {
if (ast_sockaddr_resolve_first_transport(&dialog->sa, hostn, 0, dialog->socket.type ? dialog->socket.type : SIP_TRANSPORT_UDP)) {
ast_log(LOG_WARNING, "No such host: %s\n", peername);
return -1;
}
@ -8074,7 +8076,7 @@ static int process_via(struct sip_pvt *p, const struct sip_request *req)
}
if (via->maddr) {
if (ast_sockaddr_resolve_first(&p->sa, via->maddr, PARSE_PORT_FORBID)) {
if (ast_sockaddr_resolve_first_transport(&p->sa, via->maddr, PARSE_PORT_FORBID, p->socket.type)) {
ast_log(LOG_WARNING, "Can't find address for maddr '%s'\n", via->maddr);
ast_log(LOG_ERROR, "error processing via header\n");
free_via(via);
@ -10611,7 +10613,7 @@ static void set_destination(struct sip_pvt *p, char *uri)
/*! \todo XXX If we have sip_cfg.srvlookup on, then look for NAPTR/SRV,
* otherwise, just look for A records */
if (ast_sockaddr_resolve_first(&p->sa, hostname, 0)) {
if (ast_sockaddr_resolve_first_transport(&p->sa, hostname, 0, p->socket.type)) {
ast_log(LOG_WARNING, "Can't find address for host '%s'\n", hostname);
return;
}
@ -10632,7 +10634,7 @@ static void set_destination(struct sip_pvt *p, char *uri)
/*! \todo XXX If we have sip_cfg.srvlookup on, then look for
* NAPTR/SRV, otherwise, just look for A records */
if (ast_sockaddr_resolve_first(&p->sa, hostname, PARSE_PORT_FORBID)) {
if (ast_sockaddr_resolve_first_transport(&p->sa, hostname, PARSE_PORT_FORBID, p->socket.type)) {
ast_log(LOG_WARNING, "Can't find address for host '%s'\n", hostname);
return;
}
@ -13123,7 +13125,7 @@ static int __sip_subscribe_mwi_do(struct sip_subscription_mwi *mwi)
struct sip_subscription_mwi *saved;
snprintf(transport, sizeof(transport), "_%s._%s", get_srv_service(mwi->transport), get_srv_protocol(mwi->transport));
mwi->us.ss.ss_family = get_address_family_filter(&bindaddr); /* Filter address family */
mwi->us.ss.ss_family = get_address_family_filter(mwi->transport); /* Filter address family */
saved = ASTOBJ_REF(mwi);
ast_dnsmgr_lookup_cb(mwi->hostname, &mwi->us, &mwi->dnsmgr, sip_cfg.srvlookup ? transport : NULL, on_dns_update_mwi, saved);
if (!mwi->dnsmgr) {
@ -13945,7 +13947,7 @@ static int transmit_register(struct sip_registry *r, int sipmethod, const char *
char transport[MAXHOSTNAMELEN];
peer = sip_find_peer(r->hostname, NULL, TRUE, FINDPEERS, FALSE, 0);
snprintf(transport, sizeof(transport), "_%s._%s",get_srv_service(r->transport), get_srv_protocol(r->transport)); /* have to use static sip_get_transport function */
r->us.ss.ss_family = get_address_family_filter(&bindaddr); /* Filter address family */
r->us.ss.ss_family = get_address_family_filter(r->transport); /* Filter address family */
/* No point in doing a DNS lookup of the register hostname if we're just going to
* end up using an outbound proxy. obproxy_get is safe to call with either of r->call
@ -14685,7 +14687,7 @@ static int __set_address_from_contact(const char *fullcontact, struct ast_sockad
return -1;
}
if (ast_sockaddr_resolve_first(addr, hostport, 0)) {
if (ast_sockaddr_resolve_first_transport(addr, hostport, 0, get_transport_str2enum(transport))) {
ast_log(LOG_WARNING, "Invalid host name in Contact: (can't "
"resolve in DNS) : '%s'\n", hostport);
return -1;
@ -14830,7 +14832,7 @@ static enum parse_register_result parse_register_contact(struct sip_pvt *pvt, st
ast_debug(1, "Store REGISTER's Contact header for call routing.\n");
/* XXX This could block for a long time XXX */
/*! \todo Check NAPTR/SRV if we have not got a port in the URI */
if (ast_sockaddr_resolve_first(&testsa, hostport, 0)) {
if (ast_sockaddr_resolve_first_transport(&testsa, hostport, 0, peer->socket.type)) {
ast_log(LOG_WARNING, "Invalid hostport '%s'\n", hostport);
ast_string_field_set(peer, fullcontact, "");
ast_string_field_set(pvt, our_contact, "");
@ -20020,7 +20022,7 @@ static void handle_request_info(struct sip_pvt *p, struct sip_request *req)
/*! \brief Enable SIP Debugging for a single IP */
static char *sip_do_debug_ip(int fd, const char *arg)
{
if (ast_sockaddr_resolve_first(&debugaddr, arg, 0)) {
if (ast_sockaddr_resolve_first_af(&debugaddr, arg, 0, 0)) {
return CLI_SHOWUSAGE;
}
@ -26943,8 +26945,20 @@ static struct ast_tcptls_session_instance *sip_tcp_locate(struct ast_sockaddr *s
*
* \note return 0 if addr is [::] else it returns addr's family.
*/
int get_address_family_filter(const struct ast_sockaddr *addr)
int get_address_family_filter(unsigned int transport)
{
const struct ast_sockaddr *addr = NULL;
if (transport == SIP_TRANSPORT_UDP) {
addr = &bindaddr;
}
else if (transport == SIP_TRANSPORT_TCP) {
addr = &sip_tcp_desc.local_address;
}
else if (transport == SIP_TRANSPORT_TLS) {
addr = &sip_tls_desc.local_address;
}
if (ast_sockaddr_is_ipv6(addr) && ast_sockaddr_is_any(addr)) {
return 0;
}
@ -28177,7 +28191,7 @@ static struct ast_channel *sip_request_call(const char *type, struct ast_format_
}
if (!ast_strlen_zero(remote_address)) {
if (ast_sockaddr_resolve_first(&remote_address_sa, remote_address, 0)) {
if (ast_sockaddr_resolve_first_transport(&remote_address_sa, remote_address, 0, transport)) {
ast_log(LOG_WARNING, "Unable to find IP address for host %s. We will not use this remote IP address\n", remote_address);
} else {
if (!ast_sockaddr_port(&remote_address_sa)) {
@ -29441,7 +29455,7 @@ static struct sip_peer *build_peer(const char *name, struct ast_variable *v, str
snprintf(transport, sizeof(transport), "_%s._%s", get_srv_service(peer->socket.type), get_srv_protocol(peer->socket.type));
peer->addr.ss.ss_family = get_address_family_filter(&bindaddr); /* Filter address family */
peer->addr.ss.ss_family = get_address_family_filter(peer->socket.type); /* Filter address family */
if (ast_dnsmgr_lookup_cb(_srvlookup, &peer->addr, &peer->dnsmgr, sip_cfg.srvlookup && !peer->portinuri ? transport : NULL,
on_dns_update_peer, sip_ref_peer(peer, "Store peer on dnsmgr"))) {
ast_log(LOG_ERROR, "srvlookup failed for host: %s, on peer %s, removing peer\n", _srvlookup, peer->name);
@ -31603,7 +31617,17 @@ static int ast_sockaddr_resolve_first_af(struct ast_sockaddr *addr,
static int ast_sockaddr_resolve_first(struct ast_sockaddr *addr,
const char* name, int flag)
{
return ast_sockaddr_resolve_first_af(addr, name, flag, get_address_family_filter(&bindaddr));
return ast_sockaddr_resolve_first_af(addr, name, flag, get_address_family_filter(SIP_TRANSPORT_UDP));
}
/*! \brief Return the first entry from ast_sockaddr_resolve filtered by family of binddaddr
*
* \warn Using this function probably means you have a faulty design.
*/
static int ast_sockaddr_resolve_first_transport(struct ast_sockaddr *addr,
const char* name, int flag, unsigned int transport)
{
return ast_sockaddr_resolve_first_af(addr, name, flag, get_address_family_filter(transport));
}
/*! \brief

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