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Merged revisions 127154 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/trunk

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r127154 | bbryant | 2008-07-01 16:03:52 -0500 (Tue, 01 Jul 2008) | 2 lines

Add a configuration option so the global outboundproxy can use tcptls without it being defined by each sip user.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@127163 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.6.0
Brett Bryant 18 years ago
parent d3caa53777
commit ecbd67d74e
2 changed files with 93 additions and 54 deletions
Show Stats Download Patch File Download Diff File

144
channels/chan_sip.c
Unescape View File

@ -410,6 +410,12 @@ enum st_refresher {
SESSION_TIMER_REFRESHER_UAS /*!< Session is refreshed by the UAS */
};
/*!< Define some SIP transports */
enum sip_transport {
SIP_TRANSPORT_UDP = 1,
SIP_TRANSPORT_TCP = 1 << 1,
SIP_TRANSPORT_TLS = 1 << 2,
};
/*! \brief definition of a sip proxy server
*
@ -421,6 +427,7 @@ struct sip_proxy {
char name[MAXHOSTNAMELEN]; /*!< DNS name of domain/host or IP */
struct sockaddr_in ip; /*!< Currently used IP address and port */
time_t last_dnsupdate; /*!< When this was resolved */
enum sip_transport transport;
int force; /*!< If it's an outbound proxy, Force use of this outbound proxy for all outbound requests */
/* Room for a SRV record chain based on the name */
};
@ -767,13 +774,6 @@ static int *sipsock_read_id; /*!< ID of IO entry for sipsock FD */
#define DEC_CALL_RINGING 2
#define INC_CALL_RINGING 3
/*!< Define some SIP transports */
enum sip_transport {
SIP_TRANSPORT_UDP = 1,
SIP_TRANSPORT_TCP = 1 << 1,
SIP_TRANSPORT_TLS = 1 << 2,
};
/*!< The SIP socket definition */
struct sip_socket {
enum sip_transport type;
@ -1708,6 +1708,7 @@ static const char *sip_get_callid(struct ast_channel *chan);
static int handle_request_do(struct sip_request *req, struct sockaddr_in *sin);
static int sip_standard_port(struct sip_socket s);
static int sip_prepare_socket(struct sip_pvt *p);
static int sip_parse_host(char *line, int lineno, char **hostname, int *portnum, enum sip_transport *transport);
/*--- Transmitting responses and requests */
static int sipsock_read(int *id, int fd, short events, void *ignore);
@ -2521,6 +2522,14 @@ static inline const char *get_transport(enum sip_transport t)
return "UNKNOWN";
}
static inline const char *get_transport_pvt(struct sip_pvt *p)
{
if (p->outboundproxy && p->outboundproxy->transport)
p->socket.type = p->outboundproxy->transport;
return get_transport(p->socket.type);
}
/*! \brief Transmit SIP message
Sends a SIP request or response on a given socket (in the pvt)
Called by retrans_pkt, send_request, send_response and
@ -2531,7 +2540,7 @@ static int __sip_xmit(struct sip_pvt *p, char *data, int len)
int res = 0;
const struct sockaddr_in *dst = sip_real_dst(p);
ast_debug(1, "Trying to put '%.10s' onto %s socket...\n", data, get_transport(p->socket.type));
ast_debug(1, "Trying to put '%.10s' onto %s socket destined for %s:%d\n", data, get_transport_pvt(p), ast_inet_ntoa(dst->sin_addr), htons(dst->sin_port));
if (sip_prepare_socket(p) < 0)
return XMIT_ERROR;
@ -2575,7 +2584,7 @@ static void build_via(struct sip_pvt *p)
/* z9hG4bK is a magic cookie. See RFC 3261 section 8.1.1.7 */
ast_string_field_build(p, via, "SIP/2.0/%s %s:%d;branch=z9hG4bK%08x%s",
get_transport(p->socket.type),
get_transport_pvt(p),
ast_inet_ntoa(p->ourip.sin_addr),
ntohs(p->ourip.sin_port), p->branch, rport);
}
@ -6018,35 +6027,14 @@ static int sip_register(const char *value, int lineno)
char buf[256] = "";
char *username = NULL;
char *hostname=NULL, *secret=NULL, *authuser=NULL;
char *porta=NULL;
char *callback=NULL;
char *trans=NULL;
if (!value)
return -1;
ast_copy_string(buf, value, sizeof(buf));
username = strstr(buf, "://");
if (username) {
*username = '\0';
username += 3;
trans = buf;
if (!strcasecmp(trans, "udp"))
transport = SIP_TRANSPORT_UDP;
else if (!strcasecmp(trans, "tcp"))
transport = SIP_TRANSPORT_TCP;
else if (!strcasecmp(trans, "tls"))
transport = SIP_TRANSPORT_TLS;
else
ast_log(LOG_WARNING, "'%s' is not a valid transport value for registration '%s' at line '%d'\n", trans, value, lineno);
} else {
username = buf;
ast_debug(1, "no trans\n");
}
sip_parse_host(buf, lineno, &username, &portnum, &transport);
/* First split around the last '@' then parse the two components. */
hostname = strrchr(username, '@'); /* allow @ in the first part */
@ -6070,18 +6058,6 @@ static int sip_register(const char *value, int lineno)
*callback++ = '\0';
if (ast_strlen_zero(callback))
callback = "s";
porta = strchr(hostname, ':');
if (porta) {
*porta++ = '\0';
portnum = atoi(porta);
if (portnum == 0) {
ast_log(LOG_WARNING, "%s is not a valid port number at line %d\n", porta, lineno);
return -1;
}
} else {
portnum = (transport == SIP_TRANSPORT_TLS) ?
STANDARD_TLS_PORT : STANDARD_SIP_PORT;
}
if (!(reg = ast_calloc(1, sizeof(*reg)))) {
ast_log(LOG_ERROR, "Out of memory. Can't allocate SIP registry entry\n");
return -1;
@ -8515,7 +8491,7 @@ static void build_contact(struct sip_pvt *p)
else
ast_string_field_build(p, our_contact, "<sip:%s%s%s>", p->exten, ast_strlen_zero(p->exten) ? "" : "@", ast_inet_ntoa(p->ourip.sin_addr));
} else
ast_string_field_build(p, our_contact, "<sip:%s%s%s:%d;transport=%s>", p->exten, ast_strlen_zero(p->exten) ? "" : "@", ast_inet_ntoa(p->ourip.sin_addr), ntohs(p->socket.port), get_transport(p->socket.type));
ast_string_field_build(p, our_contact, "<sip:%s%s%s:%d;transport=%s>", p->exten, ast_strlen_zero(p->exten) ? "" : "@", ast_inet_ntoa(p->ourip.sin_addr), ntohs(p->socket.port), get_transport_pvt(p));
}
/*! \brief Build the Remote Party-ID & From using callingpres options */
@ -18288,6 +18264,10 @@ static int sip_prepare_socket(struct sip_pvt *p)
if (s->fd != -1)
return s->fd;
if (p->outboundproxy && p->outboundproxy->transport) {
s->type = p->outboundproxy->transport;
}
if (s->type & SIP_TRANSPORT_UDP) {
s->fd = sipsock;
return s->fd;
@ -18346,6 +18326,50 @@ static int sip_prepare_socket(struct sip_pvt *p)
return s->fd;
}
/*!
* \brief Small function to parse a config line for a host with a transport
* i.e. tls://www.google.com:8056
*/
static int sip_parse_host(char *line, int lineno, char **hostname, int *portnum, enum sip_transport *transport)
{
char *port;
if ((*hostname = strstr(line, "://"))) {
*hostname += 3;
if (!strncasecmp(line, "tcp", 3))
*transport = SIP_TRANSPORT_TCP;
else if (!strncasecmp(line, "tls", 3))
*transport = SIP_TRANSPORT_TLS;
else if (!strncasecmp(line, "udp", 3))
*transport = SIP_TRANSPORT_UDP;
else
ast_log(LOG_NOTICE, "'%.3s' is not a valid transport type on line %d of sip.conf. defaulting to udp.\n", line, lineno);
} else {
*hostname = line;
*transport = SIP_TRANSPORT_UDP;
}
if ((port = strchr(*hostname, ':'))) {
*port++ = '\0';
if (!sscanf(port, "%u", portnum)) {
ast_log(LOG_NOTICE, "'%s' is not a valid port number on line %d of sip.conf. using default.\n", port, lineno);
port = NULL;
}
}
if (!port) {
if (*transport & SIP_TRANSPORT_TLS) {
*portnum = STANDARD_TLS_PORT;
} else {
*portnum = STANDARD_SIP_PORT;
}
}
return 0;
}
/*!
* \brief Get cached MWI info
* \retval 0 At least one message is waiting
@ -20548,21 +20572,33 @@ static int reload_config(enum channelreloadreason reason)
} else if (!strcasecmp(v->name, "fromdomain")) {
ast_copy_string(default_fromdomain, v->value, sizeof(default_fromdomain));
} else if (!strcasecmp(v->name, "outboundproxy")) {
char *name, *port = NULL, *force;
int portnum;
char *tok, *proxyname;
name = ast_strdupa(v->value);
if ((port = strchr(name, ':'))) {
*port++ = '\0';
global_outboundproxy.ip.sin_port = htons(atoi(port));
if (ast_strlen_zero(v->value)) {
ast_log(LOG_WARNING, "no value given for outbound proxy on line %d of sip.conf.", v->lineno);
continue;
}
if ((force = strchr(port ? port : name, ','))) {
*force++ = '\0';
global_outboundproxy.force = (!strcasecmp(force, "force"));
tok = ast_skip_blanks(strtok(ast_strdupa(v->value), ","));
sip_parse_host(tok, v->lineno, &proxyname, &portnum, &global_outboundproxy.transport);
global_outboundproxy.ip.sin_port = htons(portnum);
if ((tok = strtok(NULL, ","))) {
global_outboundproxy.force = !strncasecmp(ast_skip_blanks(tok), "force", 5);
} else {
global_outboundproxy.force = FALSE;
}
if (ast_strlen_zero(proxyname)) {
ast_log(LOG_WARNING, "you must specify a name for the outboundproxy on line %d of sip.conf.", v->lineno);
global_outboundproxy.name[0] = '\0';
continue;
}
ast_copy_string(global_outboundproxy.name, name, sizeof(global_outboundproxy.name));
proxy_update(&global_outboundproxy);
ast_copy_string(global_outboundproxy.name, proxyname, sizeof(global_outboundproxy.name));
} else if (!strcasecmp(v->name, "autocreatepeer")) {
autocreatepeer = ast_true(v->value);
} else if (!strcasecmp(v->name, "match_auth_username")) {

3
configs/sip.conf.sample
Unescape View File

@ -233,6 +233,9 @@ srvlookup=yes ; Enable DNS SRV lookups on outbound calls
;outboundproxy=proxy.provider.domain ; send outbound signaling to this proxy, not directly to the devices
;outboundproxy=proxy.provider.domain:8080 ; send outbound signaling to this proxy, not directly to the devices
;outboundproxy=proxy.provider.domain,force ; Send ALL outbound signalling to proxy, ignoring route: headers
;outboundproxy=tls://proxy.provider.domain ; same as '=proxy.provider.domain' except we try to connect with tls
; ; (could also be tcp,udp) - defining transports on the proxy line only
; ; applies for the global proxy, otherwise use the transport= option
;matchexterniplocally = yes ; Only substitute the externip or externhost setting if it matches
; your localnet setting. Unless you have some sort of strange network
; setup you will not need to enable this.

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