Sat Nov 1 06:29:13 2008

Asterisk developer's documentation

---

pbx_config.c File Reference

Populate and remember extensions from static config file. More...

#include "asterisk.h"
#include <sys/types.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include "asterisk/pbx.h"
#include "asterisk/config.h"
#include "asterisk/options.h"
#include "asterisk/module.h"
#include "asterisk/logger.h"
#include "asterisk/cli.h"
#include "asterisk/callerid.h"

Include dependency graph for pbx_config.c:

Go to the source code of this file.

Defines
#define	BROKEN_READLINE   1
#define	PUT_CTX_HDR
Functions
static void	append_interface (char *iface, int maxlen, char *add)
	AST_MODULE_INFO (ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT,"Text Extension Configuration",.load=load_module,.unload=unload_module,.reload=reload,)
	AST_MUTEX_DEFINE_STATIC (save_dialplan_lock)
static char *	complete_context_add_extension (const char *line, const char *word, int pos, int state)
static char *	complete_context_add_extension_deprecated (const char *line, const char *word, int pos, int state)
static char *	complete_context_add_ignorepat (const char *line, const char *word, int pos, int state)
static char *	complete_context_add_ignorepat_deprecated (const char *line, const char *word, int pos, int state)
static char *	complete_context_add_include (const char *line, const char *word, int pos, int state)
static char *	complete_context_add_include_deprecated (const char *line, const char *word, int pos, int state)
static char *	complete_context_dont_include_deprecated (const char *line, const char *word, int pos, int state)
static char *	complete_context_remove_extension (const char *line, const char *word, int pos, int state)
static char *	complete_context_remove_extension_deprecated (const char *line, const char *word, int pos, int state)
static char *	complete_context_remove_ignorepat (const char *line, const char *word, int pos, int state)
static char *	complete_context_remove_ignorepat_deprecated (const char *line, const char *word, int pos, int state)
static char *	complete_context_remove_include (const char *line, const char *word, int pos, int state)
static int	fix_complete_args (const char *line, char **word, int *pos)
static int	handle_context_add_extension (int fd, int argc, char *argv[])
static int	handle_context_add_extension_deprecated (int fd, int argc, char *argv[])
	ADD EXTENSION command stuff.
static int	handle_context_add_ignorepat (int fd, int argc, char *argv[])
static int	handle_context_add_ignorepat_deprecated (int fd, int argc, char *argv[])
static int	handle_context_add_include (int fd, int argc, char *argv[])
static int	handle_context_add_include_deprecated (int fd, int argc, char *argv[])
static int	handle_context_dont_include_deprecated (int fd, int argc, char *argv[])
static int	handle_context_remove_extension (int fd, int argc, char *argv[])
static int	handle_context_remove_extension_deprecated (int fd, int argc, char *argv[])
static int	handle_context_remove_ignorepat (int fd, int argc, char *argv[])
static int	handle_context_remove_ignorepat_deprecated (int fd, int argc, char *argv[])
static int	handle_context_remove_include (int fd, int argc, char *argv[])
static int	handle_reload_extensions (int fd, int argc, char *argv[])
static int	handle_save_dialplan (int fd, int argc, char *argv[])
	'save dialplan' CLI command implementation functions ...
static int	load_module (void)
static int	lookup_c_ip (struct ast_context *c, const char *name)
	return true if 'name' is in the ignorepats for context c
static int	lookup_ci (struct ast_context *c, const char *name)
	return true if 'name' is included by context c
static int	partial_match (const char *s, const char *word, int len)
	match the first 'len' chars of word. len==0 always succeeds
static int	pbx_load_config (const char *config_file)
static int	pbx_load_module (void)
static void	pbx_load_users (void)
static int	reload (void)
static const char *	skip_words (const char *p, int n)
	moves to the n-th word in the string, or empty string if none
static int	split_ec (const char *src, char **ext, char **const ctx, char **const cid)
	split extension@context in two parts, return -1 on error. The return string is malloc'ed and pointed by *ext
static int	unload_module (void)
Variables
static int	autofallthrough_config = 1
static int	clearglobalvars_config = 0
static struct ast_cli_entry	cli_add_extension_deprecated
static struct ast_cli_entry	cli_add_ignorepat_deprecated
static struct ast_cli_entry	cli_dialplan_save
static struct ast_cli_entry	cli_dont_include_deprecated
static struct ast_cli_entry	cli_extensions_reload_deprecated
static struct ast_cli_entry	cli_include_context_deprecated
static struct ast_cli_entry	cli_pbx_config []
static struct ast_cli_entry	cli_remove_extension_deprecated
static struct ast_cli_entry	cli_remove_ignorepat_deprecated
static struct ast_cli_entry	cli_save_dialplan_deprecated
static char *	config = "extensions.conf"
static char	context_add_extension_help []
static char	context_add_ignorepat_help []
static char	context_add_include_help []
static char	context_remove_extension_help []
static char	context_remove_ignorepat_help []
static char	context_remove_include_help []
static struct ast_context *	local_contexts = NULL
static char *	registrar = "pbx_config"
static char	reload_extensions_help []
static char	save_dialplan_help []
static int	static_config = 0
static char	userscontext [AST_MAX_EXTENSION] = "default"
static int	write_protect_config = 1

---

Detailed Description

Populate and remember extensions from static config file.

Definition in file pbx_config.c.

---

Define Documentation

#define BROKEN_READLINE   1

Definition at line 623 of file pbx_config.c.

#define PUT_CTX_HDR

Referenced by handle_save_dialplan().

---

Function Documentation

static void append_interface	(	char *	iface,
		int	maxlen,
		char *	add
	)			[static]

Definition at line 2397 of file pbx_config.c.

References len.

Referenced by pbx_load_users().

{
   int len = strlen(iface);
   if (strlen(add) + len < maxlen - 2) {
      if (strlen(iface)) {
         iface[len] = '&';
         strcpy(iface + len + 1, add);
      } else
         strcpy(iface, add);
   }
}

AST_MODULE_INFO	(	ASTERISK_GPL_KEY	,
		AST_MODFLAG_DEFAULT	,
		"Text Extension Configuration"	,
		.	load = load_module,
		.	unload = unload_module,
		.	reload = reload
	)

AST_MUTEX_DEFINE_STATIC

(

save_dialplan_lock

)

static char* complete_context_add_extension	(	const char *	line,
		const char *	word,
		int	pos,
		int	state
	)			[static]

Definition at line 1687 of file pbx_config.c.

References ast_get_context_name(), ast_log(), ast_rdlock_contexts(), ast_unlock_contexts(), ast_walk_contexts(), len, LOG_WARNING, partial_match(), and strdup.

{
   int which = 0;

   if (pos == 4) {      /* complete 'into' word ... */
      return (state == 0) ? strdup("into") : NULL;
   } else if (pos == 5) { /* complete context */
      struct ast_context *c = NULL;
      int len = strlen(word);
      char *res = NULL;

      /* try to lock contexts list ... */
      if (ast_rdlock_contexts()) {
         ast_log(LOG_WARNING, "Failed to lock contexts list\n");
         return NULL;
      }

      /* walk through all contexts */
      while ( !res && (c = ast_walk_contexts(c)) )
         if (partial_match(ast_get_context_name(c), word, len) && ++which > state)
            res = strdup(ast_get_context_name(c));
      ast_unlock_contexts();
      return res;
   } else if (pos == 6) {
      return state == 0 ? strdup("replace") : NULL;
   }
   return NULL;
}

static char* complete_context_add_extension_deprecated	(	const char *	line,
		const char *	word,
		int	pos,
		int	state
	)			[static]

dialplan add extension 6123,1,Dial,IAX/212.71.138.13/6123 into local

Definition at line 1658 of file pbx_config.c.

References ast_get_context_name(), ast_log(), ast_rdlock_contexts(), ast_unlock_contexts(), ast_walk_contexts(), len, LOG_WARNING, partial_match(), and strdup.

{
   int which = 0;

   if (pos == 3) {      /* complete 'into' word ... */
      return (state == 0) ? strdup("into") : NULL;
   } else if (pos == 4) { /* complete context */
      struct ast_context *c = NULL;
      int len = strlen(word);
      char *res = NULL;

      /* try to lock contexts list ... */
      if (ast_rdlock_contexts()) {
         ast_log(LOG_WARNING, "Failed to lock contexts list\n");
         return NULL;
      }

      /* walk through all contexts */
      while ( !res && (c = ast_walk_contexts(c)) )
         if (partial_match(ast_get_context_name(c), word, len) && ++which > state)
            res = strdup(ast_get_context_name(c));
      ast_unlock_contexts();
      return res;
   } else if (pos == 5) {
      return state == 0 ? strdup("replace") : NULL;
   }
   return NULL;
}

static char* complete_context_add_ignorepat	(	const char *	line,
		const char *	word,
		int	pos,
		int	state
	)			[static]

Definition at line 1846 of file pbx_config.c.

References ast_get_context_name(), ast_log(), ast_rdlock_contexts(), ast_unlock_contexts(), ast_walk_contexts(), free, len, LOG_ERROR, lookup_c_ip(), partial_match(), s, skip_words(), strdup, and strsep().

{
   if (pos == 4)
      return state == 0 ? strdup("into") : NULL;
   else if (pos == 5) {
      struct ast_context *c;
      int which = 0;
      char *dupline, *ignorepat = NULL;
      const char *s;
      char *ret = NULL;
      int len = strlen(word);

      /* XXX skip first three words 'dialplan' 'add' 'ignorepat' */
      s = skip_words(line, 3);
      if (s == NULL)
         return NULL;
      dupline = strdup(s);
      if (!dupline) {
         ast_log(LOG_ERROR, "Malloc failure\n");
         return NULL;
      }
      ignorepat = strsep(&dupline, " ");

      if (ast_rdlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock contexts list\n");
         return NULL;
      }

      for (c = NULL; !ret && (c = ast_walk_contexts(c));) {
         int found = 0;

         if (!partial_match(ast_get_context_name(c), word, len))
            continue; /* not mine */
         if (ignorepat) /* there must be one, right ? */
            found = lookup_c_ip(c, ignorepat);
         if (!found && ++which > state)
            ret = strdup(ast_get_context_name(c));
      }

      if (ignorepat)
         free(ignorepat);
      ast_unlock_contexts();
      return ret;
   }

   return NULL;
}

static char* complete_context_add_ignorepat_deprecated	(	const char *	line,
		const char *	word,
		int	pos,
		int	state
	)			[static]

Definition at line 1797 of file pbx_config.c.

References ast_get_context_name(), ast_log(), ast_rdlock_contexts(), ast_unlock_contexts(), ast_walk_contexts(), free, len, LOG_ERROR, lookup_c_ip(), partial_match(), s, skip_words(), strdup, and strsep().

{
   if (pos == 3)
      return state == 0 ? strdup("into") : NULL;
   else if (pos == 4) {
      struct ast_context *c;
      int which = 0;
      char *dupline, *ignorepat = NULL;
      const char *s;
      char *ret = NULL;
      int len = strlen(word);

      /* XXX skip first two words 'add' 'ignorepat' */
      s = skip_words(line, 2);
      if (s == NULL)
         return NULL;
      dupline = strdup(s);
      if (!dupline) {
         ast_log(LOG_ERROR, "Malloc failure\n");
         return NULL;
      }
      ignorepat = strsep(&dupline, " ");

      if (ast_rdlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock contexts list\n");
         return NULL;
      }

      for (c = NULL; !ret && (c = ast_walk_contexts(c));) {
         int found = 0;

         if (!partial_match(ast_get_context_name(c), word, len))
            continue; /* not mine */
         if (ignorepat) /* there must be one, right ? */
            found = lookup_c_ip(c, ignorepat);
         if (!found && ++which > state)
            ret = strdup(ast_get_context_name(c));
      }

      if (ignorepat)
         free(ignorepat);
      ast_unlock_contexts();
      return ret;
   }

   return NULL;
}

static char* complete_context_add_include	(	const char *	line,
		const char *	word,
		int	pos,
		int	state
	)			[static]

Definition at line 1140 of file pbx_config.c.

References ast_get_context_name(), ast_log(), ast_rdlock_contexts(), ast_unlock_contexts(), ast_walk_contexts(), context, free, len, LOG_ERROR, lookup_ci(), partial_match(), s, skip_words(), strdup, and strsep().

{
   struct ast_context *c;
   int which = 0;
   char *ret = NULL;
   int len = strlen(word);

   if (pos == 3) {      /* 'dialplan add include _X_' (context) ... */
      if (ast_rdlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock context list\n");
         return NULL;
      }
      for (c = NULL; !ret && (c = ast_walk_contexts(c)); )
         if (partial_match(ast_get_context_name(c), word, len) && ++which > state)
            ret = strdup(ast_get_context_name(c));
      ast_unlock_contexts();
      return ret;
   } else if (pos == 4) { /* dialplan add include CTX _X_ */
      /* complete  as 'into' if context exists or we are unable to check */
      char *context, *dupline;
      struct ast_context *c;
      const char *s = skip_words(line, 3); /* should not fail */

      if (state != 0)   /* only once */
         return NULL;

      /* parse context from line ... */
      context = dupline = strdup(s);
      if (!context) {
         ast_log(LOG_ERROR, "Out of free memory\n");
         return strdup("into");
      }
      strsep(&dupline, " ");

      /* check for context existence ... */
      if (ast_rdlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock context list\n");
         /* our fault, we can't check, so complete 'into' ... */
         ret = strdup("into");
      } else {
         for (c = NULL; !ret && (c = ast_walk_contexts(c)); )
            if (!strcmp(context, ast_get_context_name(c)))
               ret = strdup("into"); /* found */
         ast_unlock_contexts();
      }
      free(context);
      return ret;
   } else if (pos == 5) { /* 'dialplan add include CTX into _X_' (dst context) */
      char *context, *dupline, *into;
      const char *s = skip_words(line, 3); /* should not fail */
      context = dupline = strdup(s);
      if (!dupline) {
         ast_log(LOG_ERROR, "Out of free memory\n");
         return NULL;
      }
      strsep(&dupline, " "); /* skip context */
      into = strsep(&dupline, " ");
      /* error if missing context or fifth word is not 'into' */
      if (!strlen(context) || strcmp(into, "into")) {
         ast_log(LOG_ERROR, "bad context %s or missing into %s\n",
            context, into);
         goto error3;
      }

      if (ast_rdlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock context list\n");
         goto error3;
      }

      for (c = NULL; (c = ast_walk_contexts(c)); )
         if (!strcmp(context, ast_get_context_name(c)))
            break;
      if (c) { /* first context exists, go on... */
         /* go through all contexts ... */
         for (c = NULL; !ret && (c = ast_walk_contexts(c)); ) {
            if (!strcmp(context, ast_get_context_name(c)))
               continue; /* skip ourselves */
            if (partial_match(ast_get_context_name(c), word, len) &&
                  !lookup_ci(c, context) /* not included yet */ &&
                  ++which > state)
               ret = strdup(ast_get_context_name(c));
         }
      } else {
         ast_log(LOG_ERROR, "context %s not found\n", context);
      }
      ast_unlock_contexts();
   error3:
      free(context);
      return ret;
   }

   return NULL;
}

static char* complete_context_add_include_deprecated	(	const char *	line,
		const char *	word,
		int	pos,
		int	state
	)			[static]

Definition at line 1045 of file pbx_config.c.

References ast_get_context_name(), ast_log(), ast_rdlock_contexts(), ast_unlock_contexts(), ast_walk_contexts(), context, free, len, LOG_ERROR, lookup_ci(), partial_match(), s, skip_words(), strdup, and strsep().

{
   struct ast_context *c;
   int which = 0;
   char *ret = NULL;
   int len = strlen(word);

   if (pos == 2) {      /* 'include context _X_' (context) ... */
      if (ast_rdlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock context list\n");
         return NULL;
      }
      for (c = NULL; !ret && (c = ast_walk_contexts(c)); )
         if (partial_match(ast_get_context_name(c), word, len) && ++which > state)
            ret = strdup(ast_get_context_name(c));
      ast_unlock_contexts();
      return ret;
   } else if (pos == 3) { /* include context CTX _X_ */
      /* complete  as 'in' if context exists or we are unable to check */
      char *context, *dupline;
      struct ast_context *c;
      const char *s = skip_words(line, 2);   /* should not fail */

      if (state != 0)   /* only once */
         return NULL;

      /* parse context from line ... */
      context = dupline = strdup(s);
      if (!context) {
         ast_log(LOG_ERROR, "Out of free memory\n");
         return strdup("in");
      }
      strsep(&dupline, " ");

      /* check for context existence ... */
      if (ast_rdlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock context list\n");
         /* our fault, we can't check, so complete 'in' ... */
         ret = strdup("in");
      } else {
         for (c = NULL; !ret && (c = ast_walk_contexts(c)); )
            if (!strcmp(context, ast_get_context_name(c)))
               ret = strdup("in"); /* found */
         ast_unlock_contexts();
      }
      free(context);
      return ret;
   } else if (pos == 4) { /* 'include context CTX in _X_' (dst context) */
      char *context, *dupline, *in;
      const char *s = skip_words(line, 2); /* should not fail */
      context = dupline = strdup(s);
      if (!dupline) {
         ast_log(LOG_ERROR, "Out of free memory\n");
         return NULL;
      }
      strsep(&dupline, " "); /* skip context */
      in = strsep(&dupline, " ");
      /* error if missing context or third word is not 'in' */
      if (!strlen(context) || strcmp(in, "in")) {
         ast_log(LOG_ERROR, "bad context %s or missing in %s\n",
            context, in);
         goto error3;
      }

      if (ast_rdlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock context list\n");
         goto error3;
      }

      for (c = NULL; (c = ast_walk_contexts(c)); )
         if (!strcmp(context, ast_get_context_name(c)))
            break;
      if (c) { /* first context exists, go on... */
         /* go through all contexts ... */
         for (c = NULL; !ret && (c = ast_walk_contexts(c)); ) {
            if (!strcmp(context, ast_get_context_name(c)))
               continue; /* skip ourselves */
            if (partial_match(ast_get_context_name(c), word, len) &&
                  !lookup_ci(c, context) /* not included yet */ &&
                  ++which > state)
               ret = strdup(ast_get_context_name(c));
         }
      } else {
         ast_log(LOG_ERROR, "context %s not found\n", context);
      }
      ast_unlock_contexts();
   error3:
      free(context);
      return ret;
   }

   return NULL;
}

static char* complete_context_dont_include_deprecated	(	const char *	line,
		const char *	word,
		int	pos,
		int	state
	)			[static]

Definition at line 240 of file pbx_config.c.

References ast_get_context_name(), ast_get_include_name(), ast_lock_context(), ast_log(), ast_rdlock_contexts(), ast_unlock_context(), ast_unlock_contexts(), ast_walk_context_includes(), ast_walk_contexts(), ast_wrlock_contexts(), context, free, len, LOG_ERROR, LOG_WARNING, lookup_ci(), partial_match(), s, skip_words(), strdup, and strsep().

{
   int which = 0;
   char *res = NULL;
   int len = strlen(word); /* how many bytes to match */
   struct ast_context *c = NULL;

   if (pos == 2) {      /* "dont include _X_" */
      if (ast_wrlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock context list\n");
         return NULL;
      }
      /* walk contexts and their includes, return the n-th match */
      while (!res && (c = ast_walk_contexts(c))) {
         struct ast_include *i = NULL;

         if (ast_lock_context(c))   /* error ? skip this one */
            continue;

         while ( !res && (i = ast_walk_context_includes(c, i)) ) {
            const char *i_name = ast_get_include_name(i);
            struct ast_context *nc = NULL;
            int already_served = 0;

            if (!partial_match(i_name, word, len))
               continue;   /* not matched */

            /* check if this include is already served or not */

            /* go through all contexts again till we reach actual
             * context or already_served = 1
             */
            while ( (nc = ast_walk_contexts(nc)) && nc != c && !already_served)
               already_served = lookup_ci(nc, i_name);

            if (!already_served && ++which > state)
               res = strdup(i_name);
         }
         ast_unlock_context(c);
      }

      ast_unlock_contexts();
      return res;
   } else if (pos == 3) { /* "dont include CTX _X_" */
      /*
       * complete as 'in', but only if previous context is really
       * included somewhere
       */
      char *context, *dupline;
      const char *s = skip_words(line, 2); /* skip 'dont' 'include' */

      if (state > 0)
         return NULL;
      context = dupline = strdup(s);
      if (!dupline) {
         ast_log(LOG_ERROR, "Out of free memory\n");
         return NULL;
      }
      strsep(&dupline, " ");

      if (ast_rdlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock contexts list\n");
         free(context);
         return NULL;
      }

      /* go through all contexts and check if is included ... */
      while (!res && (c = ast_walk_contexts(c)))
         if (lookup_ci(c, context)) /* context is really included, complete "in" command */
            res = strdup("in");
      ast_unlock_contexts();
      if (!res)
         ast_log(LOG_WARNING, "%s not included anywhere\n", context);
      free(context);
      return res;
   } else if (pos == 4) { /* "dont include CTX in _X_" */
      /*
       * Context from which we removing include ... 
       */
      char *context, *dupline, *in;
      const char *s = skip_words(line, 2); /* skip 'dont' 'include' */
      context = dupline = strdup(s);
      if (!dupline) {
         ast_log(LOG_ERROR, "Out of free memory\n");
         return NULL;
      }

      strsep(&dupline, " "); /* skip context */

      /* third word must be 'in' */
      in = strsep(&dupline, " ");
      if (!in || strcmp(in, "in")) {
         free(context);
         return NULL;
      }

      if (ast_rdlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock context list\n");
         free(context);
         return NULL;
      }

      /* walk through all contexts ... */
      c = NULL;
      while ( !res && (c = ast_walk_contexts(c))) {
         const char *c_name = ast_get_context_name(c);
         if (!partial_match(c_name, word, len)) /* not a good target */
            continue;
         /* walk through all includes and check if it is our context */ 
         if (lookup_ci(c, context) && ++which > state)
            res = strdup(c_name);
      }
      ast_unlock_contexts();
      free(context);
      return res;
   }

   return NULL;
}

static char* complete_context_remove_extension	(	const char *	line,
		const char *	word,
		int	pos,
		int	state
	)			[static]

Definition at line 809 of file pbx_config.c.

References asprintf, ast_get_context_name(), ast_get_extension_cidmatch(), ast_get_extension_matchcid(), ast_get_extension_name(), ast_get_extension_priority(), ast_log(), ast_rdlock_contexts(), ast_unlock_contexts(), ast_walk_context_extensions(), ast_walk_contexts(), ast_walk_extension_priorities(), context, exten, fix_complete_args(), free, len, LOG_ERROR, partial_match(), ast_exten::priority, s, skip_words(), split_ec(), and strdup.

{
   char *ret = NULL;
   int which = 0;

#ifdef BROKEN_READLINE
   char *word2;
   /*
    * Fix arguments, *word is a new allocated structure, REMEMBER to
    * free *word when you want to return from this function ...
    */
   if (fix_complete_args(line, &word2, &pos)) {
      ast_log(LOG_ERROR, "Out of free memory\n");
      return NULL;
   }
   word = word2;
#endif

   if (pos == 3) { /* 'dialplan remove extension _X_' (exten@context ... */
      struct ast_context *c = NULL;
      char *context = NULL, *exten = NULL, *cid = NULL;
      int le = 0; /* length of extension */
      int lc = 0; /* length of context */
      int lcid = 0; /* length of cid */

      lc = split_ec(word, &exten, &context, &cid);
      if (lc)  { /* error */
#ifdef BROKEN_READLINE
         free(word2);
#endif
         return NULL;
      }
      le = strlen(exten);
      lc = strlen(context);
      lcid = cid ? strlen(cid) : -1;

      if (ast_rdlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock context list\n");
         goto error2;
      }

      /* find our context ... */
      while ( (c = ast_walk_contexts(c)) ) { /* match our context if any */
         struct ast_exten *e = NULL;
         /* XXX locking ? */
         if (!partial_match(ast_get_context_name(c), context, lc))
            continue;   /* context not matched */
         while ( (e = ast_walk_context_extensions(c, e)) ) { /* try to complete extensions ... */
            if ( !strchr(word, '/') ||
                  (!strchr(word, '@') && partial_match(ast_get_extension_cidmatch(e), cid, lcid)) ||
                  (strchr(word, '@') && !strcmp(ast_get_extension_cidmatch(e), cid))) {
               if ( ((strchr(word, '/') || strchr(word, '@')) && !strcmp(ast_get_extension_name(e), exten)) ||
                   (!strchr(word, '/') && !strchr(word, '@') && partial_match(ast_get_extension_name(e), exten, le))) { /* n-th match */
                  if (++which > state) {
                     /* If there is an extension then return exten@context. */
                     if (ast_get_extension_matchcid(e) && (!strchr(word, '@') || strchr(word, '/'))) {
                        asprintf(&ret, "%s/%s@%s", ast_get_extension_name(e), ast_get_extension_cidmatch(e), ast_get_context_name(c));
                        break;
                     } else if (!ast_get_extension_matchcid(e) && !strchr(word, '/')) {
                        asprintf(&ret, "%s@%s", ast_get_extension_name(e), ast_get_context_name(c));
                        break;
                     }
                  }
               }
            }
         }
         if (e)   /* got a match */
            break;
      }
#ifdef BROKEN_READLINE
      free(word2);
#endif

      ast_unlock_contexts();
   error2:
      if (exten)
         free(exten);
   } else if (pos == 4) { /* 'dialplan remove extension EXT _X_' (priority) */
      char *exten = NULL, *context, *cid, *p;
      struct ast_context *c;
      int le, lc, lcid, len;
      const char *s = skip_words(line, 3); /* skip 'dialplan' 'remove' 'extension' */
      int i = split_ec(s, &exten, &context, &cid); /* parse ext@context */

      if (i)   /* error */
         goto error3;
      if ( (p = strchr(exten, ' ')) ) /* remove space after extension */
         *p = '\0';
      if ( (p = strchr(context, ' ')) ) /* remove space after context */
         *p = '\0';
      le = strlen(exten);
      lc = strlen(context);
      lcid = cid ? strlen(cid) : -1;
      len = strlen(word);
      if (le == 0 || lc == 0)
         goto error3;

      if (ast_rdlock_contexts()) {
         ast_log(LOG_ERROR, "Failed to lock context list\n");
         goto error3;
      }

      /* walk contexts */
      c = NULL;
      while ( (c = ast_walk_contexts(c)) ) {
         /* XXX locking on c ? */
         struct ast_exten *e;
         if (strcmp(ast_get_context_name(c), context) != 0)
            continue;
         /* got it, we must match here */
         e = NULL;
         while ( (e = ast_walk_context_extensions(c, e)) ) {
            struct ast_exten *priority;
            char buffer[10];

            if (cid && strcmp(ast_get_extension_cidmatch(e), cid) != 0) {
               continue;
            }
            if (strcmp(ast_get_extension_name(e), exten) != 0)
               continue;
            /* XXX lock e ? */
            priority = NULL;
            while ( !ret && (priority = ast_walk_extension_priorities(e, priority)) ) {
               snprintf(buffer, sizeof(buffer), "%u", ast_get_extension_priority(priority));
               if (partial_match(buffer, word, len) && ++which > state) /* n-th match */
                  ret = strdup(buffer);
            }
            break;
         }
         break;
      }
      ast_unlock_contexts();
   error3:
      if (exten)
         free(exten);
#ifdef BROKEN_READLINE
      free(word2);
#endif
   }
   return ret; 
}

static char* complete_context_remove_extension_deprecated	(	const char *	line,
		const char *	word,
		int	pos,
		int	state
	)			[static]

Definition at line 670 of file pbx_config.c.

References asprintf, ast_get_context_name(), ast_get_extension_cidmatch(), ast_get_extension_matchcid(), ast_get_extension_name(), ast_get_extension_priority(), ast_log(), ast_rdlock_contexts(), ast_unlock_contexts(), ast_walk_context_extensions(), ast_walk_contexts(), ast_walk_extension_priorities(), context, exten, fix_complete_args(), free, len, LOG_ERROR, partial_match(), ast_exten::priority, s, skip_words(), split_ec(), and strdup.

{
   char *ret = NULL;
   int which = 0;

#ifdef BROKEN_READLINE
   char *word2;
   /*
    * Fix arguments, *word is a new allocated structure, REMEMBER to
    * free *word when you want to return from this function ...
    */
   if (fix_complete_args(line, &word2, &pos)) {
      ast_log(LOG_ERROR, "Out of free memory\n");
      return NULL;
   }
   word = word2;
#endif

   if (pos == 2) { /* 'remove extension _X_' (exten/cid@context ... */
      struct ast_context *c = NULL;
      char *context = NULL, *exten = NULL, *cid = NULL;
      int le = 0; /* length of extension */
      int lc = 0; /* length of context */
      int lcid = 0; /* length of cid */

      lc = split_ec(word, &exten, &context, &cid);