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enum.c File Reference

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <regex.h>
#include <unistd.h>
#include <errno.h>
#include <asterisk/logger.h>
#include <asterisk/options.h>
#include <asterisk/enum.h>
#include <asterisk/dns.h>
#include <asterisk/channel.h>
#include <asterisk/config.h>

Go to the source code of this file.

Data Structures

struct  enum_context
struct  enum_search
struct  naptr

Defines

#define TOPLEV   "e164.arpa."

Functions

int ast_get_enum (struct ast_channel *chan, const char *number, char *dst, int dstlen, char *tech, int techlen)
int ast_enum_init (void)
int ast_enum_reload (void)

Variables

naptr __packed__


Define Documentation

#define TOPLEV   "e164.arpa."
 

Definition at line 41 of file enum.c.

Referenced by ast_enum_init().


Function Documentation

int ast_enum_init void   ) 
 

Definition at line 312 of file enum.c.

References ast_destroy(), ast_load(), ast_mutex_lock, ast_mutex_unlock, ast_variable_browse(), free, s, and TOPLEV.

Referenced by ast_enum_reload(), and main().

00313 {
00314    struct ast_config *cfg;
00315    struct enum_search *s, *sl;
00316    struct ast_variable *v;
00317 
00318    /* Destroy existing list */
00319    ast_mutex_lock(&enumlock);
00320    s = toplevs;
00321    while(s) {
00322       sl = s;
00323       s = s->next;
00324       free(sl);
00325    }
00326    toplevs = NULL;
00327    cfg = ast_load("enum.conf");
00328    if (cfg) {
00329       sl = NULL;
00330       v = ast_variable_browse(cfg, "general");
00331       while(v) {
00332          if (!strcasecmp(v->name, "search")) {
00333             s = enum_newtoplev(v->value);
00334             if (s) {
00335                if (sl)
00336                   sl->next = s;
00337                else
00338                   toplevs = s;
00339                sl = s;
00340             }
00341          }
00342          v = v->next;
00343       }
00344       ast_destroy(cfg);
00345    } else {
00346       toplevs = enum_newtoplev(TOPLEV);
00347    }
00348    enumver++;
00349    ast_mutex_unlock(&enumlock);
00350    return 0;
00351 }

int ast_enum_reload void   ) 
 

Definition at line 353 of file enum.c.

References ast_enum_init().

Referenced by ast_module_reload().

00354 {
00355    return ast_enum_init();
00356 }

int ast_get_enum struct ast_channel chan,
const char *  number,
char *  dst,
int  dstlen,
char *  tech,
int  techlen
 

Definition at line 244 of file enum.c.

References ast_autoservice_start(), ast_autoservice_stop(), ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_search_dns(), enum_context::dst, enum_context::dstlen, LOG_DEBUG, enum_context::naptrinput, s, enum_context::tech, and enum_context::techlen.

00245 {
00246    struct enum_context context;
00247    char tmp[259 + 80];
00248    char naptrinput[80] = "+";
00249    int pos = strlen(number) - 1;
00250    int newpos = 0;
00251    int ret = -1;
00252    struct enum_search *s = NULL;
00253    int version = -1;
00254 
00255    strncat(naptrinput, number, sizeof(naptrinput) - 2);
00256 
00257    context.naptrinput = naptrinput;
00258    context.dst = dst;
00259    context.dstlen = dstlen;
00260    context.tech = tech;
00261    context.techlen = techlen;
00262 
00263    if (pos > 128)
00264       pos = 128;
00265    while(pos >= 0) {
00266       tmp[newpos++] = number[pos--];
00267       tmp[newpos++] = '.';
00268    }
00269    
00270    if (chan && ast_autoservice_start(chan) < 0)
00271       return -1;
00272 
00273    for(;;) {
00274       ast_mutex_lock(&enumlock);
00275       if (version != enumver) {
00276          /* Ooh, a reload... */
00277          s = toplevs;
00278          version = enumver;
00279       } else {
00280          s = s->next;
00281       }
00282       if (s) {
00283          strcpy(tmp + newpos, s->toplev);
00284       }
00285       ast_mutex_unlock(&enumlock);
00286       if (!s)
00287          break;
00288       ret = ast_search_dns(&context, tmp, C_IN, T_NAPTR, enum_callback);
00289       if (ret > 0)
00290          break;
00291    }
00292    if (ret < 0) {
00293       ast_log(LOG_DEBUG, "No such number found: %s (%s)\n", tmp, strerror(errno));
00294       ret = 0;
00295    }
00296    if (chan)
00297       ret |= ast_autoservice_stop(chan);
00298    return ret;
00299 }


Variable Documentation

struct naptr __packed__
 


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