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channels » sip3

sip3_domain.c File Reference

Detailed Description

Various SIP domains function Version 3 of chan_sip.

Author:
Mark Spencer <markster@digium.com>

Olle E. Johansson <oej@edvina.net> (all the chan_sip3 changes)

See Also:

Definition in file sip3_domain.c.

#include "asterisk.h"
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <errno.h>
#include <stdlib.h>
#include <fcntl.h>
#include <netdb.h>
#include <signal.h>
#include <sys/signal.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <arpa/inet.h>
#include <netinet/ip.h>
#include <regex.h>
#include "asterisk/lock.h"
#include "asterisk/channel.h"
#include "asterisk/config.h"
#include "asterisk/logger.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/options.h"
#include "asterisk/sched.h"
#include "asterisk/io.h"
#include "asterisk/rtp.h"
#include "asterisk/udptl.h"
#include "asterisk/acl.h"
#include "asterisk/manager.h"
#include "asterisk/callerid.h"
#include "asterisk/cli.h"
#include "asterisk/app.h"
#include "asterisk/musiconhold.h"
#include "asterisk/dsp.h"
#include "asterisk/features.h"
#include "asterisk/srv.h"
#include "asterisk/astdb.h"
#include "asterisk/causes.h"
#include "asterisk/utils.h"
#include "asterisk/file.h"
#include "asterisk/astobj.h"
#include "asterisk/dnsmgr.h"
#include "asterisk/devicestate.h"
#include "asterisk/linkedlists.h"
#include "asterisk/stringfields.h"
#include "asterisk/monitor.h"
#include "asterisk/localtime.h"
#include "asterisk/abstract_jb.h"
#include "asterisk/compiler.h"
#include "sip3.h"
#include "sip3funcs.h"

Include dependency graph for sip3_domain.c:

Go to the source code of this file.

Defines

#define FORMAT   "%-40.40s %-20.20s %-16.16s\n"

Functions

int add_sip_domain (const char *domain, const enum domain_mode mode, const char *context)
 Add SIP domain to list of domains we are responsible for.
static AST_LIST_HEAD_STATIC (domain_list, domain)
int check_sip_domain (const char *domain, char *context, size_t len)
 check_sip_domain: Check if domain part of uri is local to our server
void clear_sip_domains (void)
 Clear our domain list (at reload).
const char * domain_mode_to_text (const enum domain_mode mode)
 Print domain mode to cli.
int domains_configured (void)
 return TRUE if any domains are configured for this server
int func_check_sipdomain (struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
 Dial plan function to check if domain is local.
int sip_show_domains (int fd, int argc, char *argv[])
 CLI command to list local domains.

Variables

ast_custom_function checksipdomain_function

Define Documentation

#define FORMAT   "%-40.40s %-20.20s %-16.16s\n"
 

Function Documentation

int add_sip_domain (  const char *  domain,
const enum domain_mode  mode,
const char *  context
) 
 

Add SIP domain to list of domains we are responsible for.

sip3_domain.c: Domain handling functions (sip domain hosting, not DNS lookups)

Definition at line 95 of file sip3_domain.c.

References ast_calloc, AST_LIST_INSERT_TAIL, AST_LIST_LOCK, AST_LIST_UNLOCK, ast_log(), ast_strlen_zero(), LOG_DEBUG, LOG_WARNING, and option_debug.

00096 {
00097    struct domain *d;
00098 
00099    if (ast_strlen_zero(domain)) {
00100       ast_log(LOG_WARNING, "Zero length domain.\n");
00101       return 1;
00102    }
00103 
00104    if (!(d = ast_calloc(1, sizeof(*d))))
00105       return 0;
00106 
00107    ast_copy_string(d->domain, domain, sizeof(d->domain));
00108 
00109    if (!ast_strlen_zero(context))
00110       ast_copy_string(d->context, context, sizeof(d->context));
00111 
00112    d->mode = mode;
00113 
00114    AST_LIST_LOCK(&domain_list);
00115    AST_LIST_INSERT_TAIL(&domain_list, d, list);
00116    AST_LIST_UNLOCK(&domain_list);
00117 
00118    if (option_debug > 2)   
00119       ast_log(LOG_DEBUG, "Added local SIP domain '%s'\n", domain);
00120 
00121    return 1;
00122 }

static AST_LIST_HEAD_STATIC (  domain_list  ,
domain 
)  [static]
 

The SIP domain list

int check_sip_domain (  const char *  domain,
char *  context,
size_t  len
) 
 

check_sip_domain: Check if domain part of uri is local to our server

Definition at line 132 of file sip3_domain.c.

References AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, ast_strlen_zero(), domain::context, and domain::domain.

00133 {
00134    struct domain *d;
00135    int result = 0;
00136 
00137    AST_LIST_LOCK(&domain_list);
00138    AST_LIST_TRAVERSE(&domain_list, d, list) {
00139       if (strcasecmp(d->domain, domain))
00140          continue;
00141 
00142       if (len && !ast_strlen_zero(d->context))
00143          ast_copy_string(context, d->context, len);
00144       
00145       result = 1;
00146       break;
00147    }
00148    AST_LIST_UNLOCK(&domain_list);
00149 
00150    return result;
00151 }

void clear_sip_domains (  void   ) 
 

Clear our domain list (at reload).

Definition at line 154 of file sip3_domain.c.

References AST_LIST_LOCK, AST_LIST_REMOVE_HEAD, AST_LIST_UNLOCK, and free.

00155 {
00156    struct domain *d;
00157 
00158    AST_LIST_LOCK(&domain_list);
00159    while ((d = AST_LIST_REMOVE_HEAD(&domain_list, list)))
00160       free(d);
00161    AST_LIST_UNLOCK(&domain_list);
00162 }

const char* domain_mode_to_text (  const enum domain_mode  mode  ) 
 

Print domain mode to cli.

Definition at line 191 of file sip3_domain.c.

References SIP_DOMAIN_AUTO, and SIP_DOMAIN_CONFIG.

00192 {
00193    switch (mode) {
00194    case SIP_DOMAIN_AUTO:
00195       return "[Automatic]";
00196    case SIP_DOMAIN_CONFIG:
00197       return "[Configured]";
00198    }
00199 
00200    return "";
00201 }

int domains_configured (  void   ) 
 

return TRUE if any domains are configured for this server

Definition at line 125 of file sip3_domain.c.

References AST_LIST_EMPTY.

Referenced by get_destination(), handle_request_refer(), register_verify(), sip_show_domains(), and sip_show_settings().

00126 {
00127    return (!AST_LIST_EMPTY(&domain_list));
00128 }

int func_check_sipdomain (  struct ast_channel *  chan,
char *  cmd,
char *  data,
char *  buf,
size_t  len
) 
 

Dial plan function to check if domain is local.

Definition at line 166 of file sip3_domain.c.

References ast_log(), ast_strlen_zero(), check_sip_domain(), and LOG_WARNING.

00167 {
00168    if (ast_strlen_zero(data)) {
00169       ast_log(LOG_WARNING, "CHECKSIPDOMAIN requires an argument - A domain name\n");
00170       return -1;
00171    }
00172    if (check_sip_domain(data, NULL, 0))
00173       ast_copy_string(buf, data, len);
00174    else
00175       buf[0] = '\0';
00176    return 0;
00177 }

int sip_show_domains (  int  fd,
int  argc,
char *  argv[]
) 
 

CLI command to list local domains.

Definition at line 204 of file sip3_domain.c.

References ast_cli(), AST_LIST_LOCK, AST_LIST_TRAVERSE, AST_LIST_UNLOCK, domain::context, domain::domain, domain_mode_to_text(), domains_configured(), FORMAT, domain::mode, RESULT_SUCCESS, and S_OR.

00205 {
00206    struct domain *d;
00207 #define FORMAT "%-40.40s %-20.20s %-16.16s\n"
00208 
00209    if (domains_configured()) {
00210       ast_cli(fd, "SIP Domain support not enabled.\n\n");
00211       return RESULT_SUCCESS;
00212    } else {
00213       ast_cli(fd, FORMAT, "Our local SIP domains:", "Context", "Set by");
00214       AST_LIST_LOCK(&domain_list);
00215       AST_LIST_TRAVERSE(&domain_list, d, list)
00216          ast_cli(fd, FORMAT, d->domain, S_OR(d->context, "(default)"),
00217             domain_mode_to_text(d->mode));
00218       AST_LIST_UNLOCK(&domain_list);
00219       ast_cli(fd, "\n");
00220       return RESULT_SUCCESS;
00221    }
00222 }

Variable Documentation

struct ast_custom_function checksipdomain_function
 

Definition at line 179 of file sip3_domain.c.

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