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asterisk/channels/sip/config_parser.c

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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2010, Digium, Inc.
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*!
* \file
* \brief sip config parsing functions and unit tests
*/
/*** MODULEINFO
<support_level>deprecated</support_level>
***/
#include "asterisk.h"
#include "include/sip.h"
#include "include/config_parser.h"
#include "include/sip_utils.h"
/*! \brief Parse register=> line in sip.conf
*
* \retval 0 on success
* \retval -1 on failure
*/
int sip_parse_register_line(struct sip_registry *reg, int default_expiry, const char *value, int lineno)
{
int portnum = 0;
int domainport = 0;
enum ast_transport transport = AST_TRANSPORT_UDP;
char buf[256] = "";
char *userpart = NULL, *hostpart = NULL;
/* register => [peer?][transport://]user[@domain][:secret[:authuser]]@host[:port][/extension][~expiry] */
AST_DECLARE_APP_ARGS(pre1,
AST_APP_ARG(peer);
AST_APP_ARG(userpart);
);
AST_DECLARE_APP_ARGS(pre2,
AST_APP_ARG(transport);
AST_APP_ARG(blank);
AST_APP_ARG(userpart);
);
AST_DECLARE_APP_ARGS(user1,
AST_APP_ARG(userpart);
AST_APP_ARG(secret);
AST_APP_ARG(authuser);
);
AST_DECLARE_APP_ARGS(user2,
AST_APP_ARG(user);
AST_APP_ARG(domain);
);
AST_DECLARE_APP_ARGS(user3,
AST_APP_ARG(authuser);
AST_APP_ARG(domainport);
);
AST_DECLARE_APP_ARGS(host1,
AST_APP_ARG(hostpart);
AST_APP_ARG(expiry);
);
AST_DECLARE_APP_ARGS(host2,
AST_APP_ARG(hostpart);
AST_APP_ARG(extension);
);
AST_DECLARE_APP_ARGS(host3,
AST_APP_ARG(host);
AST_APP_ARG(port);
);
if (!reg) {
return -1;
}
reg->expire = -1;
reg->timeout = -1;
if (!value) {
return -1;
}
ast_copy_string(buf, value, sizeof(buf));
/*
* register => [peer?][transport://]user[@domain][:secret[:authuser]]@host[:port][/extension][~expiry]
* becomes
* userpart => [peer?][transport://]user[@domain][:secret[:authuser]]
* hostpart => host[:port][/extension][~expiry]
*/
if ((hostpart = strrchr(buf, '@'))) {
*hostpart++ = '\0';
userpart = buf;
}
if (ast_strlen_zero(userpart) || ast_strlen_zero(hostpart)) {
ast_log(LOG_WARNING, "Format for registration is [peer?][transport://]user[@domain][:secret[:authuser]]@host[:port][/extension][~expiry] at line %d\n", lineno);
return -1;
}
/*
* pre1.peer => peer
* pre1.userpart => [transport://]user[@domain][:secret[:authuser]]
* hostpart => host[:port][/extension][~expiry]
*/
AST_NONSTANDARD_RAW_ARGS(pre1, userpart, '?');
if (ast_strlen_zero(pre1.userpart)) {
pre1.userpart = pre1.peer;
pre1.peer = NULL;
}
/*
* pre1.peer => peer
* pre2.transport = transport
* pre2.userpart => user[@domain][:secret[:authuser]]
* hostpart => host[:port][/extension][~expiry]
*/
AST_NONSTANDARD_RAW_ARGS(pre2, pre1.userpart, '/');
if (ast_strlen_zero(pre2.userpart)) {
pre2.userpart = pre2.transport;
pre2.transport = NULL;
} else {
pre2.transport[strlen(pre2.transport) - 1] = '\0'; /* Remove trailing : */
}
if (!ast_strlen_zero(pre2.blank)) {
ast_log(LOG_WARNING, "Format for registration is [peer?][transport://]user[@domain][:secret[:authuser]]@host[:port][/extension][~expiry] at line %d\n", lineno);
return -1;
}
/*
* pre1.peer => peer
* pre2.transport = transport
* user1.userpart => user[@domain]
* user1.secret => secret
* user1.authuser => authuser
* hostpart => host[:port][/extension][~expiry]
*/
AST_NONSTANDARD_RAW_ARGS(user1, pre2.userpart, ':');
/*
* pre1.peer => peer
* pre2.transport = transport
* user1.userpart => user[@domain]
* user1.secret => secret
* user1.authuser => authuser
* host1.hostpart => host[:port][/extension]
* host1.expiry => [expiry]
*/
AST_NONSTANDARD_RAW_ARGS(host1, hostpart, '~');
/*
* pre1.peer => peer
* pre2.transport = transport
* user1.userpart => user[@domain]
* user1.secret => secret
* user1.authuser => authuser
* host2.hostpart => host[:port]
* host2.extension => [extension]
* host1.expiry => [expiry]
*/
AST_NONSTANDARD_RAW_ARGS(host2, host1.hostpart, '/');
/*
* pre1.peer => peer
* pre2.transport = transport
* user1.userpart => user[@domain]
* user1.secret => secret
* user1.authuser => authuser
* host3.host => host
* host3.port => port
* host2.extension => extension
* host1.expiry => expiry
*/
AST_NONSTANDARD_RAW_ARGS(host3, host2.hostpart, ':');
/*
* pre1.peer => peer
* pre2.transport = transport
* user2.user => user
* user2.domain => domain
* user1.secret => secret
* user1.authuser => authuser
* host3.host => host
* host3.port => port
* host2.extension => extension
* host1.expiry => expiry
*/
AST_NONSTANDARD_RAW_ARGS(user2, user1.userpart, '@');
/*
* pre1.peer => peer
* pre2.transport = transport
* user2.user => user
* user2.domain => domain
* user1.secret => secret
* user3.authuser => authuser
* user3.domainport => domainport
* host3.host => host
* host3.port => port
* host2.extension => extension
* host1.expiry => expiry
*/
AST_NONSTANDARD_RAW_ARGS(user3, user1.authuser, ':');
/* Reordering needed due to fields being [(:secret[:username])|(:regdomainport:secret:username)]
but parsing being [secret[:username[:regdomainport]]] */
if (user3.argc == 2) {
char *reorder = user3.domainport;
user3.domainport = user1.secret;
user1.secret = user3.authuser;
user3.authuser = reorder;
}
if (host3.port) {
if (!(portnum = port_str2int(host3.port, 0))) {
ast_log(LOG_NOTICE, "'%s' is not a valid port number on line %d of sip.conf. using default.\n", host3.port, lineno);
}
}
if (user3.domainport) {
if (!(domainport = port_str2int(user3.domainport, 0))) {
ast_log(LOG_NOTICE, "'%s' is not a valid domain port number on line %d of sip.conf. using default.\n", user3.domainport, lineno);
}
}
/* set transport type */
if (!pre2.transport) {
transport = AST_TRANSPORT_UDP;
} else if (!strncasecmp(pre2.transport, "tcp", 3)) {
transport = AST_TRANSPORT_TCP;
} else if (!strncasecmp(pre2.transport, "tls", 3)) {
transport = AST_TRANSPORT_TLS;
} else if (!strncasecmp(pre2.transport, "udp", 3)) {
transport = AST_TRANSPORT_UDP;
} else {
transport = AST_TRANSPORT_UDP;
ast_log(LOG_NOTICE, "'%.3s' is not a valid transport type on line %d of sip.conf. defaulting to udp.\n", pre2.transport, lineno);
}
/* if no portnum specified, set default for transport */
if (!portnum) {
if (transport == AST_TRANSPORT_TLS) {
portnum = STANDARD_TLS_PORT;
} else {
portnum = STANDARD_SIP_PORT;
}
}
/* copy into sip_registry object */
ast_string_field_set(reg, callback, ast_strip_quoted(S_OR(host2.extension, "s"), "\"", "\""));
ast_string_field_set(reg, username, ast_strip_quoted(S_OR(user2.user, ""), "\"", "\""));
ast_string_field_set(reg, hostname, ast_strip_quoted(S_OR(host3.host, ""), "\"", "\""));
ast_string_field_set(reg, authuser, ast_strip_quoted(S_OR(user3.authuser, ""), "\"", "\""));
ast_string_field_set(reg, secret, ast_strip_quoted(S_OR(user1.secret, ""), "\"", "\""));
ast_string_field_set(reg, peername, ast_strip_quoted(S_OR(pre1.peer, ""), "\"", "\""));
ast_string_field_set(reg, regdomain, ast_strip_quoted(S_OR(user2.domain, ""), "\"", "\""));
reg->transport = transport;
reg->portno = portnum;
reg->regdomainport = domainport;
reg->callid_valid = FALSE;
reg->ocseq = INITIAL_CSEQ;
reg->refresh = reg->expiry = reg->configured_expiry = (host1.expiry ? atoi(ast_strip_quoted(host1.expiry, "\"", "\"")) : default_expiry);
return 0;
}
#ifdef TEST_FRAMEWORK
AST_TEST_DEFINE(sip_parse_register_line_test)
{
int res = AST_TEST_PASS;
struct sip_registry *reg;
int default_expiry = 120;
const char *reg1 = "name@domain";
const char *reg2 = "name:pass@domain";
const char *reg3 = "name@namedomain:pass:authuser@domain";
const char *reg4 = "name@namedomain:pass:authuser@domain/extension";
const char *reg5 = "tcp://name@namedomain:pass:authuser@domain/extension";
const char *reg6 = "tls://name@namedomain:pass:authuser@domain/extension~111";
const char *reg7 = "peer?tcp://name@namedomain:pass:authuser@domain:1234/extension~111";
const char *reg8 = "peer?name@namedomain:pass:authuser@domain:1234/extension~111";
const char *reg9 = "peer?name:pass:authuser:1234/extension~111";
const char *reg10 = "@domin:1234";
const char *reg12 = "name@namedomain:4321:pass:authuser@domain";
const char *reg13 = "name@namedomain:4321::@domain";
switch (cmd) {
case TEST_INIT:
info->name = "sip_parse_register_line_test";
info->category = "/channels/chan_sip/";
info->summary = "tests sip register line parsing";
info->description =
"Tests parsing of various register line configurations. "
"Verifies output matches expected behavior.";
return AST_TEST_NOT_RUN;
case TEST_EXECUTE:
break;
}
/* ---Test reg 1, simple config --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (
sip_parse_register_line(reg, default_expiry, reg1, 1) ||
strcmp(reg->callback, "s") ||
strcmp(reg->username, "name") ||
strcmp(reg->regdomain, "") ||
strcmp(reg->hostname, "domain") ||
strcmp(reg->authuser, "") ||
strcmp(reg->secret, "") ||
strcmp(reg->peername, "") ||
reg->transport != AST_TRANSPORT_UDP ||
reg->timeout != -1 ||
reg->expire != -1 ||
reg->refresh != default_expiry ||
reg->expiry != default_expiry ||
reg->configured_expiry != default_expiry ||
reg->portno != STANDARD_SIP_PORT ||
(reg->regdomainport) ||
reg->callid_valid != FALSE ||
reg->ocseq != INITIAL_CSEQ) {
ast_test_status_update(test, "Test 1: simple config failed\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
/* ---Test reg 2, add secret --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (
sip_parse_register_line(reg, default_expiry, reg2, 1) ||
strcmp(reg->callback, "s") ||
strcmp(reg->username, "name") ||
strcmp(reg->regdomain, "") ||
strcmp(reg->hostname, "domain") ||
strcmp(reg->authuser, "") ||
strcmp(reg->secret, "pass") ||
strcmp(reg->peername, "") ||
reg->transport != AST_TRANSPORT_UDP ||
reg->timeout != -1 ||
reg->expire != -1 ||
reg->refresh != default_expiry ||
reg->expiry != default_expiry ||
reg->configured_expiry != default_expiry ||
reg->portno != STANDARD_SIP_PORT ||
(reg->regdomainport) ||
reg->callid_valid != FALSE ||
reg->ocseq != INITIAL_CSEQ) {
ast_test_status_update(test, "Test 2: add secret failed\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
/* ---Test reg 3, add userdomain and authuser --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (
sip_parse_register_line(reg, default_expiry, reg3, 1) ||
strcmp(reg->callback, "s") ||
strcmp(reg->username, "name") ||
strcmp(reg->regdomain, "namedomain") ||
strcmp(reg->hostname, "domain") ||
strcmp(reg->authuser, "authuser") ||
strcmp(reg->secret, "pass") ||
strcmp(reg->peername, "") ||
reg->transport != AST_TRANSPORT_UDP ||
reg->timeout != -1 ||
reg->expire != -1 ||
reg->refresh != default_expiry ||
reg->expiry != default_expiry ||
reg->configured_expiry != default_expiry ||
reg->portno != STANDARD_SIP_PORT ||
(reg->regdomainport) ||
reg->callid_valid != FALSE ||
reg->ocseq != INITIAL_CSEQ) {
ast_test_status_update(test, "Test 3: add userdomain and authuser failed\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
/* ---Test reg 4, add callback extension --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (
sip_parse_register_line(reg, default_expiry, reg4, 1) ||
strcmp(reg->callback, "extension") ||
strcmp(reg->username, "name") ||
strcmp(reg->regdomain, "namedomain") ||
strcmp(reg->hostname, "domain") ||
strcmp(reg->authuser, "authuser") ||
strcmp(reg->secret, "pass") ||
strcmp(reg->peername, "") ||
reg->transport != AST_TRANSPORT_UDP ||
reg->timeout != -1 ||
reg->expire != -1 ||
reg->refresh != default_expiry ||
reg->expiry != default_expiry ||
reg->configured_expiry != default_expiry ||
reg->portno != STANDARD_SIP_PORT ||
(reg->regdomainport) ||
reg->callid_valid != FALSE ||
reg->ocseq != INITIAL_CSEQ) {
ast_test_status_update(test, "Test 4: add callback extension failed\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
/* ---Test reg 5, add transport --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (
sip_parse_register_line(reg, default_expiry, reg5, 1) ||
strcmp(reg->callback, "extension") ||
strcmp(reg->username, "name") ||
strcmp(reg->regdomain, "namedomain") ||
strcmp(reg->hostname, "domain") ||
strcmp(reg->authuser, "authuser") ||
strcmp(reg->secret, "pass") ||
strcmp(reg->peername, "") ||
reg->transport != AST_TRANSPORT_TCP ||
reg->timeout != -1 ||
reg->expire != -1 ||
reg->refresh != default_expiry ||
reg->expiry != default_expiry ||
reg->configured_expiry != default_expiry ||
reg->portno != STANDARD_SIP_PORT ||
(reg->regdomainport) ||
reg->callid_valid != FALSE ||
reg->ocseq != INITIAL_CSEQ) {
ast_test_status_update(test, "Test 5: add transport failed\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
/* ---Test reg 6, change to tls transport, add expiry --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (
sip_parse_register_line(reg, default_expiry, reg6, 1) ||
strcmp(reg->callback, "extension") ||
strcmp(reg->username, "name") ||
strcmp(reg->regdomain, "namedomain") ||
strcmp(reg->hostname, "domain") ||
strcmp(reg->authuser, "authuser") ||
strcmp(reg->secret, "pass") ||
strcmp(reg->peername, "") ||
reg->transport != AST_TRANSPORT_TLS ||
reg->timeout != -1 ||
reg->expire != -1 ||
reg->refresh != 111 ||
reg->expiry != 111 ||
reg->configured_expiry != 111 ||
reg->portno != STANDARD_TLS_PORT ||
(reg->regdomainport) ||
reg->callid_valid != FALSE ||
reg->ocseq != INITIAL_CSEQ) {
ast_test_status_update(test, "Test 6: change to tls transport and add expiry failed\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
/* ---Test reg 7, change transport to tcp, add custom port, and add peer --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (
sip_parse_register_line(reg, default_expiry, reg7, 1) ||
strcmp(reg->callback, "extension") ||
strcmp(reg->username, "name") ||
strcmp(reg->regdomain, "namedomain") ||
strcmp(reg->hostname, "domain") ||
strcmp(reg->authuser, "authuser") ||
strcmp(reg->secret, "pass") ||
strcmp(reg->peername, "peer") ||
reg->transport != AST_TRANSPORT_TCP ||
reg->timeout != -1 ||
reg->expire != -1 ||
reg->refresh != 111 ||
reg->expiry != 111 ||
reg->configured_expiry != 111 ||
reg->portno != 1234 ||
(reg->regdomainport) ||
reg->callid_valid != FALSE ||
reg->ocseq != INITIAL_CSEQ) {
ast_test_status_update(test, "Test 7, change transport to tcp, add custom port, and add peer failed.\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
/* ---Test reg 8, remove transport --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (
sip_parse_register_line(reg, default_expiry, reg8, 1) ||
strcmp(reg->callback, "extension") ||
strcmp(reg->username, "name") ||
strcmp(reg->regdomain, "namedomain") ||
strcmp(reg->hostname, "domain") ||
strcmp(reg->authuser, "authuser") ||
strcmp(reg->secret, "pass") ||
strcmp(reg->peername, "peer") ||
reg->transport != AST_TRANSPORT_UDP ||
reg->timeout != -1 ||
reg->expire != -1 ||
reg->refresh != 111 ||
reg->expiry != 111 ||
reg->configured_expiry != 111 ||
reg->portno != 1234 ||
(reg->regdomainport) ||
reg->callid_valid != FALSE ||
reg->ocseq != INITIAL_CSEQ) {
ast_test_status_update(test, "Test 8, remove transport failed.\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
/* ---Test reg 9, missing domain, expected to fail --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (!sip_parse_register_line(reg, default_expiry, reg9, 1)) {
ast_test_status_update(test,
"Test 9, missing domain, expected to fail but did not.\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
/* ---Test reg 10, missing user, expected to fail --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (!sip_parse_register_line(reg, default_expiry, reg10, 1)) {
ast_test_status_update(test,
"Test 10, missing user expected to fail but did not\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
/* ---Test reg 11, no registry object, expected to fail--- */
if (!sip_parse_register_line(NULL, default_expiry, reg1, 1)) {
ast_test_status_update(test,
"Test 11, no registry object, expected to fail but did not.\n");
res = AST_TEST_FAIL;
}
/* ---Test reg 12, no registry line, expected to fail --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (!sip_parse_register_line(reg, default_expiry, NULL, 1)) {
ast_test_status_update(test,
"Test 12, NULL register line expected to fail but did not.\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
/* ---Test reg13, add domain port --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (
sip_parse_register_line(reg, default_expiry, reg12, 1) ||
strcmp(reg->callback, "s") ||
strcmp(reg->username, "name") ||
strcmp(reg->regdomain, "namedomain") ||
strcmp(reg->hostname, "domain") ||
strcmp(reg->authuser, "authuser") ||
strcmp(reg->secret, "pass") ||
strcmp(reg->peername, "") ||
reg->transport != AST_TRANSPORT_UDP ||
reg->timeout != -1 ||
reg->expire != -1 ||
reg->refresh != default_expiry ||
reg->expiry != default_expiry ||
reg->configured_expiry != default_expiry ||
reg->portno != STANDARD_SIP_PORT ||
reg->regdomainport != 4321 ||
reg->callid_valid != FALSE ||
reg->ocseq != INITIAL_CSEQ) {
ast_test_status_update(test, "Test 13, add domain port failed.\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
/* ---Test reg14, domain port without secret --- */
if (!(reg = ast_calloc_with_stringfields(1, struct sip_registry, 256))) {
goto alloc_fail;
} else if (
sip_parse_register_line(reg, default_expiry, reg13, 1) ||
strcmp(reg->callback, "s") ||
strcmp(reg->username, "name") ||
strcmp(reg->regdomain, "namedomain") ||
strcmp(reg->hostname, "domain") ||
strcmp(reg->authuser, "") ||
strcmp(reg->secret, "") ||
strcmp(reg->peername, "") ||
reg->transport != AST_TRANSPORT_UDP ||
reg->timeout != -1 ||
reg->expire != -1 ||
reg->refresh != default_expiry ||
reg->expiry != default_expiry ||
reg->configured_expiry != default_expiry ||
reg->portno != STANDARD_SIP_PORT ||
reg->regdomainport != 4321 ||
reg->callid_valid != FALSE ||
reg->ocseq != INITIAL_CSEQ) {
ast_test_status_update(test, "Test 14, domain port without secret failed.\n");
res = AST_TEST_FAIL;
}
ast_string_field_free_memory(reg);
ast_free(reg);
return res;
alloc_fail:
ast_test_status_update(test, "Out of memory. \n");
return res;
}
#endif
int sip_parse_host(char *line, int lineno, char **hostname, int *portnum, enum ast_transport *transport)
{
char *port;
if (ast_strlen_zero(line)) {
*hostname = NULL;
return -1;
}
if ((*hostname = strstr(line, "://"))) {
*hostname += 3;
if (!strncasecmp(line, "tcp", 3)) {
*transport = AST_TRANSPORT_TCP;
} else if (!strncasecmp(line, "tls", 3)) {
*transport = AST_TRANSPORT_TLS;
} else if (!strncasecmp(line, "udp", 3)) {
*transport = AST_TRANSPORT_UDP;
} else if (lineno) {
ast_log(LOG_NOTICE, "'%.3s' is not a valid transport type on line %d of sip.conf. defaulting to udp.\n", line, lineno);
} else {
ast_log(LOG_NOTICE, "'%.3s' is not a valid transport type in sip config. defaulting to udp.\n", line);
}
} else {
*hostname = line;
*transport = AST_TRANSPORT_UDP;
}
if ((line = strrchr(*hostname, '@')))
line++;
else
line = *hostname;
if (ast_sockaddr_split_hostport(line, hostname, &port, 0) == 0) {
if (lineno) {
ast_log(LOG_WARNING, "Cannot parse host '%s' on line %d of sip.conf.\n",
line, lineno);
} else {
ast_log(LOG_WARNING, "Cannot parse host '%s' in sip config.\n", line);
}
return -1;
}
if (port) {
if (!sscanf(port, "%5d", portnum)) {
if (lineno) {
ast_log(LOG_NOTICE, "'%s' is not a valid port number on line %d of sip.conf. using default.\n", port, lineno);
} else {
ast_log(LOG_NOTICE, "'%s' is not a valid port number in sip config. using default.\n", port);
}
port = NULL;
}
}
if (!port) {
if (*transport & AST_TRANSPORT_TLS) {
*portnum = STANDARD_TLS_PORT;
} else {
*portnum = STANDARD_SIP_PORT;
}
}
return 0;
}
#ifdef TEST_FRAMEWORK
AST_TEST_DEFINE(sip_parse_host_line_test)
{
int res = AST_TEST_PASS;
char *host;
int port;
enum ast_transport transport;
char host1[] = "www.blah.com";
char host2[] = "tcp://www.blah.com";
char host3[] = "tls://10.10.10.10";
char host4[] = "tls://10.10.10.10:1234";
char host5[] = "10.10.10.10:1234";
switch (cmd) {
case TEST_INIT:
info->name = "sip_parse_host_line_test";
info->category = "/channels/chan_sip/";
info->summary = "tests sip.conf host line parsing";
info->description =
"Tests parsing of various host line configurations. "
"Verifies output matches expected behavior.";
return AST_TEST_NOT_RUN;
case TEST_EXECUTE:
break;
}
/* test 1, simple host */
sip_parse_host(host1, 1, &host, &port, &transport);
if (port != STANDARD_SIP_PORT ||
ast_strlen_zero(host) || strcmp(host, "www.blah.com") ||
transport != AST_TRANSPORT_UDP) {
ast_test_status_update(test, "Test 1: simple host failed.\n");
res = AST_TEST_FAIL;
}
/* test 2, add tcp transport */
sip_parse_host(host2, 1, &host, &port, &transport);
if (port != STANDARD_SIP_PORT ||
ast_strlen_zero(host) || strcmp(host, "www.blah.com") ||
transport != AST_TRANSPORT_TCP) {
ast_test_status_update(test, "Test 2: tcp host failed.\n");
res = AST_TEST_FAIL;
}
/* test 3, add tls transport */
sip_parse_host(host3, 1, &host, &port, &transport);
if (port != STANDARD_TLS_PORT ||
ast_strlen_zero(host) || strcmp(host, "10.10.10.10") ||
transport != AST_TRANSPORT_TLS) {
ast_test_status_update(test, "Test 3: tls host failed. \n");
res = AST_TEST_FAIL;
}
/* test 4, add custom port with tls */
sip_parse_host(host4, 1, &host, &port, &transport);
if (port != 1234 || ast_strlen_zero(host) ||
strcmp(host, "10.10.10.10") ||
transport != AST_TRANSPORT_TLS) {
ast_test_status_update(test, "Test 4: tls host with custom port failed.\n");
res = AST_TEST_FAIL;
}
/* test 5, simple host with custom port */
sip_parse_host(host5, 1, &host, &port, &transport);
if (port != 1234 || ast_strlen_zero(host) ||
strcmp(host, "10.10.10.10") ||
transport != AST_TRANSPORT_UDP) {
ast_test_status_update(test, "Test 5: simple host with custom port failed.\n");
res = AST_TEST_FAIL;
}
/* test 6, expected failure with NULL input */
if (!sip_parse_host(NULL, 1, &host, &port, &transport)) {
ast_test_status_update(test, "Test 6: expected error on NULL input did not occur.\n");
res = AST_TEST_FAIL;
}
return res;
}
#endif
/*! \brief Parse the comma-separated nat= option values */
void sip_parse_nat_option(const char *value, struct ast_flags *mask, struct ast_flags *flags)
{
char *parse, *this;
if (!(parse = ast_strdupa(value))) {
return;
}
/* Since we need to completely override the general settings if we are being called
* later for a peer, always set the flags for all options on the mask */
ast_set_flag(&mask[0], SIP_NAT_FORCE_RPORT);
ast_set_flag(&mask[1], SIP_PAGE2_SYMMETRICRTP);
ast_set_flag(&mask[2], SIP_PAGE3_NAT_AUTO_RPORT);
ast_set_flag(&mask[2], SIP_PAGE3_NAT_AUTO_COMEDIA);
while ((this = strsep(&parse, ","))) {
if (ast_false(this)) {
ast_clear_flag(&flags[0], SIP_NAT_FORCE_RPORT);
ast_clear_flag(&flags[1], SIP_PAGE2_SYMMETRICRTP);
ast_clear_flag(&flags[2], SIP_PAGE3_NAT_AUTO_RPORT);
ast_clear_flag(&flags[2], SIP_PAGE3_NAT_AUTO_COMEDIA);
break; /* It doesn't make sense to have no + something else */
} else if (!strcasecmp(this, "yes")) {
ast_log(LOG_WARNING, "nat=yes is deprecated, use nat=force_rport,comedia instead\n");
ast_set_flag(&flags[0], SIP_NAT_FORCE_RPORT);
ast_set_flag(&flags[1], SIP_PAGE2_SYMMETRICRTP);
ast_clear_flag(&flags[2], SIP_PAGE3_NAT_AUTO_RPORT);
ast_clear_flag(&flags[2], SIP_PAGE3_NAT_AUTO_COMEDIA);
break; /* It doesn't make sense to have yes + something else */
} else if (!strcasecmp(this, "force_rport") && !ast_test_flag(&flags[2], SIP_PAGE3_NAT_AUTO_RPORT)) {
ast_set_flag(&flags[0], SIP_NAT_FORCE_RPORT);
} else if (!strcasecmp(this, "comedia") && !ast_test_flag(&flags[2], SIP_PAGE3_NAT_AUTO_COMEDIA)) {
ast_set_flag(&flags[1], SIP_PAGE2_SYMMETRICRTP);
} else if (!strcasecmp(this, "auto_force_rport")) {
ast_set_flag(&flags[2], SIP_PAGE3_NAT_AUTO_RPORT);
/* In case someone did something dumb like nat=force_rport,auto_force_rport */
ast_clear_flag(&flags[0], SIP_NAT_FORCE_RPORT);
} else if (!strcasecmp(this, "auto_comedia")) {
ast_set_flag(&flags[2], SIP_PAGE3_NAT_AUTO_COMEDIA);
/* In case someone did something dumb like nat=comedia,auto_comedia*/
ast_clear_flag(&flags[1], SIP_PAGE2_SYMMETRICRTP);
}
}
}
#ifdef TEST_FRAMEWORK
#define TEST_FORCE_RPORT 1 << 0
#define TEST_COMEDIA 1 << 1
#define TEST_AUTO_FORCE_RPORT 1 << 2
#define TEST_AUTO_COMEDIA 1 << 3
static int match_nat_options(int val, struct ast_flags *flags)
{
if ((!ast_test_flag(&flags[0], SIP_NAT_FORCE_RPORT)) != !(val & TEST_FORCE_RPORT)) {
return 0;
}
if (!ast_test_flag(&flags[1], SIP_PAGE2_SYMMETRICRTP) != !(val & TEST_COMEDIA)) {
return 0;
}
if (!ast_test_flag(&flags[2], SIP_PAGE3_NAT_AUTO_RPORT) != !(val & TEST_AUTO_FORCE_RPORT)) {
return 0;
}
if (!ast_test_flag(&flags[2], SIP_PAGE3_NAT_AUTO_COMEDIA) != !(val & TEST_AUTO_COMEDIA)) {
return 0;
}
return 1;
}
AST_TEST_DEFINE(sip_parse_nat_test)
{
int i, res = AST_TEST_PASS;
struct ast_flags mask[3] = {{0}}, flags[3] = {{0}};
struct {
const char *str;
int i;
} options[] = {
{ "yes", TEST_FORCE_RPORT | TEST_COMEDIA },
{ "no", 0 },
{ "force_rport", TEST_FORCE_RPORT },
{ "comedia", TEST_COMEDIA },
{ "auto_force_rport", TEST_AUTO_FORCE_RPORT },
{ "auto_comedia", TEST_AUTO_COMEDIA },
{ "force_rport,auto_force_rport", TEST_AUTO_FORCE_RPORT },
{ "auto_force_rport,force_rport", TEST_AUTO_FORCE_RPORT },
{ "comedia,auto_comedia", TEST_AUTO_COMEDIA },
{ "auto_comedia,comedia", TEST_AUTO_COMEDIA },
{ "force_rport,comedia", TEST_FORCE_RPORT | TEST_COMEDIA },
{ "force_rport,auto_comedia", TEST_FORCE_RPORT | TEST_AUTO_COMEDIA },
{ "force_rport,yes,no", TEST_FORCE_RPORT | TEST_COMEDIA },
{ "auto_comedia,no,yes", 0 },
};
switch (cmd) {
case TEST_INIT:
info->name = "sip_parse_nat_test";
info->category = "/channels/chan_sip/";
info->summary = "tests sip.conf nat line parsing";
info->description =
"Tests parsing of various nat line configurations. "
"Verifies output matches expected behavior.";
return AST_TEST_NOT_RUN;
case TEST_EXECUTE:
break;
}
for (i = 0; i < ARRAY_LEN(options); i++) {
sip_parse_nat_option(options[i].str, mask, flags);
if (!match_nat_options(options[i].i, flags)) {
ast_test_status_update(test, "Failed nat=%s\n", options[i].str);
res = AST_TEST_FAIL;
}
memset(flags, 0, sizeof(flags));
memset(mask, 0, sizeof(mask));
}
return res;
}
#endif
/*! \brief SIP test registration */
void sip_config_parser_register_tests(void)
{
AST_TEST_REGISTER(sip_parse_register_line_test);
AST_TEST_REGISTER(sip_parse_host_line_test);
AST_TEST_REGISTER(sip_parse_nat_test);
}
/*! \brief SIP test registration */
void sip_config_parser_unregister_tests(void)
{
AST_TEST_UNREGISTER(sip_parse_register_line_test);
AST_TEST_UNREGISTER(sip_parse_host_line_test);
AST_TEST_UNREGISTER(sip_parse_nat_test);
}
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