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asterisk/pbx/pbx_config.c

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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2006, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* 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 Populate and remember extensions from static config file
*
*
*/
/*** MODULEINFO
<support_level>core</support_level>
***/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include <ctype.h>
#include "asterisk/paths.h" /* ast_config_AST_CONFIG_DIR */
#include "asterisk/pbx.h"
#include "asterisk/config.h"
#include "asterisk/module.h"
#include "asterisk/logger.h"
#include "asterisk/cli.h"
#include "asterisk/channel.h" /* AST_MAX_EXTENSION */
#include "asterisk/callerid.h"
static const char config[] = "extensions.conf";
static const char registrar[] = "pbx_config";
static char userscontext[AST_MAX_EXTENSION] = "default";
static int static_config = 0;
static int write_protect_config = 1;
static int autofallthrough_config = 1;
static int clearglobalvars_config = 0;
static int extenpatternmatchnew_config = 0;
static char *overrideswitch_config = NULL;
AST_MUTEX_DEFINE_STATIC(save_dialplan_lock);
static struct ast_context *local_contexts = NULL;
static struct ast_hashtab *local_table = NULL;
/*
* Prototypes for our completion functions
*/
static char *complete_dialplan_remove_include(struct ast_cli_args *);
static char *complete_dialplan_add_include(struct ast_cli_args *);
static char *complete_dialplan_remove_ignorepat(struct ast_cli_args *);
static char *complete_dialplan_add_ignorepat(struct ast_cli_args *);
static char *complete_dialplan_remove_extension(struct ast_cli_args *);
static char *complete_dialplan_add_extension(struct ast_cli_args *);
/*
* Implementation of functions provided by this module
*/
/*!
* REMOVE INCLUDE command stuff
*/
static char *handle_cli_dialplan_remove_include(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
switch (cmd) {
case CLI_INIT:
e->command = "dialplan remove include";
e->usage =
"Usage: dialplan remove include <context> from <context>\n"
" Remove an included context from another context.\n";
return NULL;
case CLI_GENERATE:
return complete_dialplan_remove_include(a);
}
if (strcmp(a->argv[4], "from"))
return CLI_SHOWUSAGE;
if (!ast_context_remove_include(a->argv[5], a->argv[3], registrar)) {
ast_cli(a->fd, "We are not including '%s' into '%s' now\n",
a->argv[3], a->argv[5]);
return CLI_SUCCESS;
}
ast_cli(a->fd, "Failed to remove '%s' include from '%s' context\n",
a->argv[3], a->argv[5]);
return CLI_FAILURE;
}
/*! \brief return true if 'name' is included by context c */
static int lookup_ci(struct ast_context *c, const char *name)
{
struct ast_include *i = NULL;
if (ast_rdlock_context(c)) /* error, skip */
return 0;
while ( (i = ast_walk_context_includes(c, i)) )
if (!strcmp(name, ast_get_include_name(i)))
break;
ast_unlock_context(c);
return i ? -1 /* success */ : 0;
}
/*! \brief return true if 'name' is in the ignorepats for context c */
static int lookup_c_ip(struct ast_context *c, const char *name)
{
struct ast_ignorepat *ip = NULL;
if (ast_rdlock_context(c)) /* error, skip */
return 0;
while ( (ip = ast_walk_context_ignorepats(c, ip)) )
if (!strcmp(name, ast_get_ignorepat_name(ip)))
break;
ast_unlock_context(c);
return ip ? -1 /* success */ : 0;
}
/*! \brief moves to the n-th word in the string, or empty string if none */
static const char *skip_words(const char *p, int n)
{
int in_blank = 0;
for (;n && *p; p++) {
if (isblank(*p) /* XXX order is important */ && !in_blank) {
n--; /* one word is gone */
in_blank = 1;
} else if (/* !is_blank(*p), we know already, && */ in_blank) {
in_blank = 0;
}
}
return p;
}
/*! \brief match the first 'len' chars of word. len==0 always succeeds */
static int partial_match(const char *s, const char *word, int len)
{
return (len == 0 || !strncmp(s, word, len));
}
/*! \brief split extension\@context in two parts, return -1 on error.
* The return string is malloc'ed and pointed by *ext
*/
static int split_ec(const char *src, char **ext, char ** const ctx, char ** const cid)
{
char *i, *c, *e = ast_strdup(src); /* now src is not used anymore */
if (e == NULL)
return -1; /* malloc error */
/* now, parse values from 'exten@context' */
*ext = e;
c = strchr(e, '@');
if (c == NULL) /* no context part */
*ctx = ""; /* it is not overwritten, anyways */
else { /* found context, check for duplicity ... */
*c++ = '\0';
*ctx = c;
if (strchr(c, '@')) { /* two @, not allowed */
free(e);
return -1;
}
}
if (cid && (i = strchr(e, '/'))) {
*i++ = '\0';
*cid = i;
} else if (cid) {
/* Signal none detected */
*cid = NULL;
}
return 0;
}
/* _X_ is the string we need to complete */
static char *complete_dialplan_remove_include(struct ast_cli_args *a)
{
int which = 0;
char *res = NULL;
int len = strlen(a->word); /* how many bytes to match */
struct ast_context *c = NULL;
if (a->pos == 3) { /* "dialplan remove 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_rdlock_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, a->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 > a->n)
res = strdup(i_name);
}
ast_unlock_context(c);
}
ast_unlock_contexts();
return res;
} else if (a->pos == 4) { /* "dialplan remove include CTX _X_" */
/*
* complete as 'from', but only if previous context is really
* included somewhere
*/
char *context, *dupline;
const char *s = skip_words(a->line, 3); /* skip 'dialplan' 'remove' 'include' */
if (a->n > 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 "from" command */
res = strdup("from");
ast_unlock_contexts();
if (!res)
ast_log(LOG_WARNING, "%s not included anywhere\n", context);
free(context);
return res;
} else if (a->pos == 5) { /* "dialplan remove include CTX from _X_" */
/*
* Context from which we removing include ...
*/
char *context, *dupline, *from;
const char *s = skip_words(a->line, 3); /* skip 'dialplan' 'remove' 'include' */
context = dupline = strdup(s);
if (!dupline) {
ast_log(LOG_ERROR, "Out of free memory\n");
return NULL;
}
strsep(&dupline, " "); /* skip context */
/* fourth word must be 'from' */
from = strsep(&dupline, " ");
if (!from || strcmp(from, "from")) {
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, a->word, len)) /* not a good target */
continue;
/* walk through all includes and check if it is our context */
if (lookup_ci(c, context) && ++which > a->n)
res = strdup(c_name);
}
ast_unlock_contexts();
free(context);
return res;
}
return NULL;
}
/*!
* REMOVE EXTENSION command stuff
*/
static char *handle_cli_dialplan_remove_extension(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
int removing_priority = 0;
char *exten, *context, *cid;
char *ret = CLI_FAILURE;
switch (cmd) {
case CLI_INIT:
e->command = "dialplan remove extension";
e->usage =
"Usage: dialplan remove extension exten[/cid]@context [priority]\n"
" Remove an extension from a given context. If a priority\n"
" is given, only that specific priority from the given extension\n"
" will be removed.\n";
return NULL;
case CLI_GENERATE:
return complete_dialplan_remove_extension(a);
}
if (a->argc != 5 && a->argc != 4)
return CLI_SHOWUSAGE;
/*
* Priority input checking ...
*/
if (a->argc == 5) {
const char *c = a->argv[4];
/* check for digits in whole parameter for right priority ...
* why? because atoi (strtol) returns 0 if any characters in
* string and whole extension will be removed, it's not good
*/
if (!strcmp("hint", c))
removing_priority = PRIORITY_HINT;
else {
while (*c && isdigit(*c))
c++;
if (*c) { /* non-digit in string */
ast_cli(a->fd, "Invalid priority '%s'\n", a->argv[4]);
return CLI_FAILURE;
}
removing_priority = atoi(a->argv[4]);
}
if (removing_priority == 0) {
ast_cli(a->fd, "If you want to remove whole extension, please " \
"omit priority argument\n");
return CLI_FAILURE;
}
}
/* XXX original overwrote argv[3] */
/*
* Format exten@context checking ...
*/
if (split_ec(a->argv[3], &exten, &context, &cid))
return CLI_FAILURE; /* XXX malloc failure */
if ((!strlen(exten)) || (!(strlen(context)))) {
ast_cli(a->fd, "Missing extension or context name in third argument '%s'\n",
a->argv[3]);
free(exten);
return CLI_FAILURE;
}
if (!ast_context_remove_extension_callerid(context, exten, removing_priority,
/* Do NOT substitute S_OR; it is NOT the same thing */
cid ? cid : (removing_priority ? "" : NULL), cid ? 1 : 0, registrar)) {
if (!removing_priority)
ast_cli(a->fd, "Whole extension %s@%s removed\n",
exten, context);
else
ast_cli(a->fd, "Extension %s@%s with priority %d removed\n",
exten, context, removing_priority);
ret = CLI_SUCCESS;
} else {
if (cid) {
ast_cli(a->fd, "Failed to remove extension %s/%s@%s\n", exten, cid, context);
} else {
ast_cli(a->fd, "Failed to remove extension %s@%s\n", exten, context);
}
ret = CLI_FAILURE;
}
free(exten);
return ret;
}
static char *complete_dialplan_remove_extension(struct ast_cli_args *a)
{
char *ret = NULL;
int which = 0;
if (a->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(a->word, &exten, &context, &cid);
if (lc) { /* error */
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(a->word, '/') ||
(!strchr(a->word, '@') && partial_match(ast_get_extension_cidmatch(e), cid, lcid)) ||
(strchr(a->word, '@') && !strcmp(ast_get_extension_cidmatch(e), cid))) {
if ( ((strchr(a->word, '/') || strchr(a->word, '@')) && !strcmp(ast_get_extension_name(e), exten)) ||
(!strchr(a->word, '/') && !strchr(a->word, '@') && partial_match(ast_get_extension_name(e), exten, le))) { /* n-th match */
if (++which > a->n) {
/* If there is an extension then return exten@context. */
if (ast_get_extension_matchcid(e) && (!strchr(a->word, '@') || strchr(a->word, '/'))) {
if (asprintf(&ret, "%s/%s@%s", ast_get_extension_name(e), ast_get_extension_cidmatch(e), ast_get_context_name(c)) < 0) {
ast_log(LOG_WARNING, "asprintf() failed: %s\n", strerror(errno));
ret = NULL;
}
break;
} else if (!ast_get_extension_matchcid(e) && !strchr(a->word, '/')) {
if (asprintf(&ret, "%s@%s", ast_get_extension_name(e), ast_get_context_name(c)) < 0) {
ast_log(LOG_WARNING, "asprintf() failed: %s\n", strerror(errno));
ret = NULL;
}
break;
}
}
}
}
}
if (e) /* got a match */
break;
}
ast_unlock_contexts();
error2:
free(exten);
} else if (a->pos == 4) { /* 'dialplan remove extension EXT _X_' (priority) */
char *exten = NULL, *context, *cid, *p;
struct ast_context *c;
int le, lc, len;
const char *s = skip_words(a->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);
len = strlen(a->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, a->word, len) && ++which > a->n) /* n-th match */
ret = strdup(buffer);
}
break;
}
break;
}
ast_unlock_contexts();
error3:
free(exten);
}
return ret;
}
/*!
* Include context ...
*/
static char *handle_cli_dialplan_add_include(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
switch (cmd) {
case CLI_INIT:
e->command = "dialplan add include";
e->usage =
"Usage: dialplan add include <context> into <context>\n"
" Include a context in another context.\n";
return NULL;
case CLI_GENERATE:
return complete_dialplan_add_include(a);
}
if (a->argc != 6) /* dialplan add include CTX in CTX */
return CLI_SHOWUSAGE;
/* fifth arg must be 'into' ... */
if (strcmp(a->argv[4], "into"))
return CLI_SHOWUSAGE;
if (ast_context_add_include(a->argv[5], a->argv[3], registrar)) {
switch (errno) {
case ENOMEM:
ast_cli(a->fd, "Out of memory for context addition\n");
break;
case EBUSY:
ast_cli(a->fd, "Failed to lock context(s) list, please try again later\n");
break;
case EEXIST:
ast_cli(a->fd, "Context '%s' already included in '%s' context\n",
a->argv[3], a->argv[5]);
break;
case ENOENT:
case EINVAL:
ast_cli(a->fd, "There is no existence of context '%s'\n",
errno == ENOENT ? a->argv[5] : a->argv[3]);
break;
default:
ast_cli(a->fd, "Failed to include '%s' in '%s' context\n",
a->argv[3], a->argv[5]);
break;
}
return CLI_FAILURE;
}
/* show some info ... */
ast_cli(a->fd, "Context '%s' included in '%s' context\n",
a->argv[3], a->argv[5]);
return CLI_SUCCESS;
}
static char *complete_dialplan_add_include(struct ast_cli_args *a)
{
struct ast_context *c;
int which = 0;
char *ret = NULL;
int len = strlen(a->word);
if (a->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), a->word, len) && ++which > a->n)
ret = strdup(ast_get_context_name(c));
ast_unlock_contexts();
return ret;
} else if (a->pos == 4) { /* dialplan add include CTX _X_ */
/* complete as 'into' if context exists or we are unable to check */
char *context, *dupline;
const char *s = skip_words(a->line, 3); /* should not fail */
if (a->n != 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 {
struct ast_context *ctx;
for (ctx = NULL; !ret && (ctx = ast_walk_contexts(ctx)); )
if (!strcmp(context, ast_get_context_name(ctx)))
ret = strdup("into"); /* found */
ast_unlock_contexts();
}
free(context);
return ret;
} else if (a->pos == 5) { /* 'dialplan add include CTX into _X_' (dst context) */
char *context, *dupline, *into;
const char *s = skip_words(a->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), a->word, len) &&
!lookup_ci(c, context) /* not included yet */ &&
++which > a->n)
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;
}
/*!
* \brief 'save dialplan' CLI command implementation functions ...
*/
static char *handle_cli_dialplan_save(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
char filename[256], overrideswitch[256] = "";
struct ast_context *c;
struct ast_config *cfg;
struct ast_variable *v;
int incomplete = 0; /* incomplete config write? */
FILE *output;
struct ast_flags config_flags = { 0 };
const char *base, *slash;
switch (cmd) {
case CLI_INIT:
e->command = "dialplan save";
e->usage =
"Usage: dialplan save [/path/to/extension/file]\n"
" Save dialplan created by pbx_config module.\n"
"\n"
"Example: dialplan save (/etc/asterisk/extensions.conf)\n"
" dialplan save /home/markster (/home/markster/extensions.conf)\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if (! (static_config && !write_protect_config)) {
ast_cli(a->fd,
"I can't save dialplan now, see '%s' example file.\n",
config);
return CLI_FAILURE;
}
if (a->argc != 2 && a->argc != 3)
return CLI_SHOWUSAGE;
if (ast_mutex_lock(&save_dialplan_lock)) {
ast_cli(a->fd,
"Failed to lock dialplan saving (another proccess saving?)\n");
return CLI_FAILURE;
}
/* XXX the code here is quite loose, a pathname with .conf in it
* is assumed to be a complete pathname
*/
if (a->argc == 3) { /* have config path. Look for *.conf */
base = a->argv[2];
if (!strstr(a->argv[2], ".conf")) { /*no, this is assumed to be a pathname */
/* if filename ends with '/', do not add one */
slash = (*(a->argv[2] + strlen(a->argv[2]) -1) == '/') ? "/" : "";
} else { /* yes, complete file name */
slash = "";
}
} else {
/* no config file, default one */
base = ast_config_AST_CONFIG_DIR;
slash = "/";
}
snprintf(filename, sizeof(filename), "%s%s%s", base, slash, config);
cfg = ast_config_load("extensions.conf", config_flags);
/* try to lock contexts list */
if (ast_rdlock_contexts()) {
ast_cli(a->fd, "Failed to lock contexts list\n");
ast_mutex_unlock(&save_dialplan_lock);
ast_config_destroy(cfg);
return CLI_FAILURE;
}
/* create new file ... */
if (!(output = fopen(filename, "wt"))) {
ast_cli(a->fd, "Failed to create file '%s'\n",
filename);
ast_unlock_contexts();
ast_mutex_unlock(&save_dialplan_lock);
ast_config_destroy(cfg);
return CLI_FAILURE;
}
/* fireout general info */
if (overrideswitch_config) {
snprintf(overrideswitch, sizeof(overrideswitch), "overrideswitch=%s\n", overrideswitch_config);
}
fprintf(output, "[general]\nstatic=%s\nwriteprotect=%s\nautofallthrough=%s\nclearglobalvars=%s\n%sextenpatternmatchnew=%s\n\n",
static_config ? "yes" : "no",
write_protect_config ? "yes" : "no",
autofallthrough_config ? "yes" : "no",
clearglobalvars_config ? "yes" : "no",
overrideswitch_config ? overrideswitch : "",
extenpatternmatchnew_config ? "yes" : "no");
if ((v = ast_variable_browse(cfg, "globals"))) {
fprintf(output, "[globals]\n");
while(v) {
fprintf(output, "%s => %s\n", v->name, v->value);
v = v->next;
}
fprintf(output, "\n");
}
ast_config_destroy(cfg);
#define PUT_CTX_HDR do { \
if (!context_header_written) { \
fprintf(output, "[%s]\n", ast_get_context_name(c)); \
context_header_written = 1; \
} \
} while (0)
/* walk all contexts */
for (c = NULL; (c = ast_walk_contexts(c)); ) {
int context_header_written = 0;
struct ast_exten *ext, *last_written_e = NULL;
struct ast_include *i;
struct ast_ignorepat *ip;
struct ast_sw *sw;
/* try to lock context and fireout all info */
if (ast_rdlock_context(c)) { /* lock failure */
incomplete = 1;
continue;
}
/* registered by this module? */
/* XXX do we need this ? */
if (!strcmp(ast_get_context_registrar(c), registrar)) {
fprintf(output, "[%s]\n", ast_get_context_name(c));
context_header_written = 1;
}
/* walk extensions ... */
for (ext = NULL; (ext = ast_walk_context_extensions(c, ext)); ) {
struct ast_exten *p = NULL;
/* fireout priorities */
while ( (p = ast_walk_extension_priorities(ext, p)) ) {
if (strcmp(ast_get_extension_registrar(p), registrar) != 0) /* not this source */
continue;
/* make empty line between different extensions */
if (last_written_e != NULL &&
strcmp(ast_get_extension_name(last_written_e),
ast_get_extension_name(p)))
fprintf(output, "\n");
last_written_e = p;
PUT_CTX_HDR;
if (ast_get_extension_priority(p) == PRIORITY_HINT) { /* easy */
fprintf(output, "exten => %s,hint,%s\n",
ast_get_extension_name(p),
ast_get_extension_app(p));
} else {
const char *sep, *cid;
const char *el = ast_get_extension_label(p);
char label[128] = "";
if (ast_get_extension_matchcid(p)) {
sep = "/";
cid = ast_get_extension_cidmatch(p);
} else
sep = cid = "";
if (el && (snprintf(label, sizeof(label), "(%s)", el) != (strlen(el) + 2)))
incomplete = 1; /* error encountered or label > 125 chars */
fprintf(output, "exten => %s%s%s,%d%s,%s(%s)\n",
ast_get_extension_name(p), (ast_strlen_zero(sep) ? "" : sep), (ast_strlen_zero(cid) ? "" : cid),
ast_get_extension_priority(p), label,
ast_get_extension_app(p), (ast_strlen_zero(ast_get_extension_app_data(p)) ? "" : (const char *)ast_get_extension_app_data(p)));
}
}
}
/* written any extensions? ok, write space between exten & inc */
if (last_written_e)
fprintf(output, "\n");
/* walk through includes */
for (i = NULL; (i = ast_walk_context_includes(c, i)) ; ) {
if (strcmp(ast_get_include_registrar(i), registrar) != 0)
continue; /* not mine */
PUT_CTX_HDR;
fprintf(output, "include => %s\n", ast_get_include_name(i));
}
if (ast_walk_context_includes(c, NULL))
fprintf(output, "\n");
/* walk through switches */
for (sw = NULL; (sw = ast_walk_context_switches(c, sw)) ; ) {
if (strcmp(ast_get_switch_registrar(sw), registrar) != 0)
continue; /* not mine */
PUT_CTX_HDR;
fprintf(output, "switch => %s/%s\n",
ast_get_switch_name(sw), ast_get_switch_data(sw));
}
if (ast_walk_context_switches(c, NULL))
fprintf(output, "\n");
/* fireout ignorepats ... */
for (ip = NULL; (ip = ast_walk_context_ignorepats(c, ip)); ) {
if (strcmp(ast_get_ignorepat_registrar(ip), registrar) != 0)
continue; /* not mine */
PUT_CTX_HDR;
fprintf(output, "ignorepat => %s\n",
ast_get_ignorepat_name(ip));
}
ast_unlock_context(c);
}
ast_unlock_contexts();
ast_mutex_unlock(&save_dialplan_lock);
fclose(output);
if (incomplete) {
ast_cli(a->fd, "Saved dialplan is incomplete\n");
return CLI_FAILURE;
}
ast_cli(a->fd, "Dialplan successfully saved into '%s'\n",
filename);
return CLI_SUCCESS;
}
/*!
* \brief ADD EXTENSION command stuff
*/
static char *handle_cli_dialplan_add_extension(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
char *whole_exten;
char *exten, *prior;
int iprior = -2;
char *cidmatch, *app, *app_data;
char *start, *end;
const char *into_context;
switch (cmd) {
case CLI_INIT:
e->command = "dialplan add extension";
e->usage =
"Usage: dialplan add extension <exten>,<priority>,<app>,<app-data>\n"
" into <context> [replace]\n\n"
" This command will add new extension into <context>. If there is an\n"
" existence of extension with the same priority and last 'replace'\n"
" arguments is given here we simply replace this extension.\n"
"\n"
"Example: dialplan add extension 6123,1,Dial,IAX/216.207.245.56/6123 into local\n"
" Now, you can dial 6123 and talk to Markster :)\n";
return NULL;
case CLI_GENERATE:
return complete_dialplan_add_extension(a);
}
/* check for arguments at first */
if (a->argc != 6 && a->argc != 7)
return CLI_SHOWUSAGE;
if (strcmp(a->argv[4], "into"))
return CLI_SHOWUSAGE;
if (a->argc == 7)
if (strcmp(a->argv[6], "replace"))
return CLI_SHOWUSAGE;
whole_exten = ast_strdupa(a->argv[3]);
exten = strsep(&whole_exten,",");
if (strchr(exten, '/')) {
cidmatch = exten;
strsep(&cidmatch,"/");
} else {
cidmatch = NULL;
}
prior = strsep(&whole_exten,",");
if (prior) {
if (!strcmp(prior, "hint")) {
iprior = PRIORITY_HINT;
} else {
if (sscanf(prior, "%30d", &iprior) != 1) {
ast_cli(a->fd, "'%s' is not a valid priority\n", prior);
prior = NULL;
}
}
}
app = whole_exten;
if (app && (start = strchr(app, '(')) && (end = strrchr(app, ')'))) {
*start = *end = '\0';
app_data = start + 1;
} else {
if (app) {
app_data = strchr(app, ',');
if (app_data) {
*app_data = '\0';
app_data++;
}
} else
app_data = NULL;
}
if (!exten || !prior || !app || (!app_data && iprior != PRIORITY_HINT))
return CLI_SHOWUSAGE;
into_context = a->argv[5];
if (!ast_context_find(into_context)) {
ast_cli(a->fd, "Context '%s' did not exist prior to add extension - the context will be created.\n", into_context);
}
if (!ast_context_find_or_create(NULL, NULL, into_context, registrar)) {
ast_cli(a->fd, "ast_context_find_or_create() failed\n");
ast_cli(a->fd, "Failed to add '%s,%s,%s,%s' extension into '%s' context\n", exten, prior, app, app_data, into_context);
return CLI_FAILURE;
}
if (!app_data)
app_data="";
if (ast_add_extension(into_context, a->argc == 7 ? 1 : 0, exten, iprior, NULL, cidmatch, app,
(void *)strdup(app_data), ast_free_ptr, registrar)) {
switch (errno) {
case ENOMEM:
ast_cli(a->fd, "Out of free memory\n");
break;
case EBUSY:
ast_cli(a->fd, "Failed to lock context(s) list, please try again later\n");
break;
case ENOENT:
ast_cli(a->fd, "No existence of '%s' context\n", into_context);
break;
case EEXIST:
ast_cli(a->fd, "Extension %s@%s with priority %s already exists\n",
exten, into_context, prior);
break;
default:
ast_cli(a->fd, "Failed to add '%s,%s,%s,%s' extension into '%s' context\n",
exten, prior, app, app_data, into_context);
break;
}
return CLI_FAILURE;
}
if (a->argc == 7)
ast_cli(a->fd, "Extension %s@%s (%s) replace by '%s,%s,%s,%s'\n",
exten, into_context, prior, exten, prior, app, app_data);
else
ast_cli(a->fd, "Extension '%s,%s,%s,%s' added into '%s' context\n",
exten, prior, app, app_data, into_context);
return CLI_SUCCESS;
}
/*! dialplan add extension 6123,1,Dial,IAX/212.71.138.13/6123 into local */
static char *complete_dialplan_add_extension(struct ast_cli_args *a)
{
int which = 0;
if (a->pos == 4) { /* complete 'into' word ... */
return (a->n == 0) ? strdup("into") : NULL;
} else if (a->pos == 5) { /* complete context */
struct ast_context *c = NULL;
int len = strlen(a->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), a->word, len) && ++which > a->n)
res = strdup(ast_get_context_name(c));
ast_unlock_contexts();
return res;
} else if (a->pos == 6) {
return a->n == 0 ? strdup("replace") : NULL;
}
return NULL;
}
/*!
* IGNOREPAT CLI stuff
*/
static char *handle_cli_dialplan_add_ignorepat(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
switch (cmd) {
case CLI_INIT:
e->command = "dialplan add ignorepat";
e->usage =
"Usage: dialplan add ignorepat <pattern> into <context>\n"
" This command adds a new ignore pattern into context <context>\n"
"\n"
"Example: dialplan add ignorepat _3XX into local\n";
return NULL;
case CLI_GENERATE:
return complete_dialplan_add_ignorepat(a);
}
if (a->argc != 6)
return CLI_SHOWUSAGE;
if (strcmp(a->argv[4], "into"))
return CLI_SHOWUSAGE;
if (ast_context_add_ignorepat(a->argv[5], a->argv[3], registrar)) {
switch (errno) {
case ENOMEM:
ast_cli(a->fd, "Out of free memory\n");
break;
case ENOENT:
ast_cli(a->fd, "There is no existence of '%s' context\n", a->argv[5]);
break;
case EEXIST:
ast_cli(a->fd, "Ignore pattern '%s' already included in '%s' context\n",
a->argv[3], a->argv[5]);
break;
case EBUSY:
ast_cli(a->fd, "Failed to lock context(s) list, please, try again later\n");
break;
default:
ast_cli(a->fd, "Failed to add ingore pattern '%s' into '%s' context\n",
a->argv[3], a->argv[5]);
break;
}
return CLI_FAILURE;
}
ast_cli(a->fd, "Ignore pattern '%s' added into '%s' context\n",
a->argv[3], a->argv[5]);
return CLI_SUCCESS;
}
static char *complete_dialplan_add_ignorepat(struct ast_cli_args *a)
{
if (a->pos == 4)
return a->n == 0 ? strdup("into") : NULL;
else if (a->pos == 5) {
struct ast_context *c;
int which = 0;
char *dupline, *ignorepat = NULL;
const char *s;
char *ret = NULL;
int len = strlen(a->word);
/* XXX skip first three words 'dialplan' 'add' 'ignorepat' */
s = skip_words(a->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), a->word, len))
continue; /* not mine */
if (ignorepat) /* there must be one, right ? */
found = lookup_c_ip(c, ignorepat);
if (!found && ++which > a->n)
ret = strdup(ast_get_context_name(c));
}
free(ignorepat);
ast_unlock_contexts();
return ret;
}
return NULL;
}
static char *handle_cli_dialplan_remove_ignorepat(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
switch (cmd) {
case CLI_INIT:
e->command = "dialplan remove ignorepat";
e->usage =
"Usage: dialplan remove ignorepat <pattern> from <context>\n"
" This command removes an ignore pattern from context <context>\n"
"\n"
"Example: dialplan remove ignorepat _3XX from local\n";
return NULL;
case CLI_GENERATE:
return complete_dialplan_remove_ignorepat(a);
}
if (a->argc != 6)
return CLI_SHOWUSAGE;
if (strcmp(a->argv[4], "from"))
return CLI_SHOWUSAGE;
if (ast_context_remove_ignorepat(a->argv[5], a->argv[3], registrar)) {
switch (errno) {
case EBUSY:
ast_cli(a->fd, "Failed to lock context(s) list, please try again later\n");
break;
case ENOENT:
ast_cli(a->fd, "There is no existence of '%s' context\n", a->argv[5]);
break;
case EINVAL:
ast_cli(a->fd, "There is no existence of '%s' ignore pattern in '%s' context\n",
a->argv[3], a->argv[5]);
break;
default:
ast_cli(a->fd, "Failed to remove ignore pattern '%s' from '%s' context\n",
a->argv[3], a->argv[5]);
break;
}
return CLI_FAILURE;
}
ast_cli(a->fd, "Ignore pattern '%s' removed from '%s' context\n",
a->argv[3], a->argv[5]);
return CLI_SUCCESS;
}
static char *complete_dialplan_remove_ignorepat(struct ast_cli_args *a)
{
struct ast_context *c;
int which = 0;
char *ret = NULL;
if (a->pos == 3) {
int len = strlen(a->word);
if (ast_rdlock_contexts()) {
ast_log(LOG_WARNING, "Failed to lock contexts list\n");
return NULL;
}
for (c = NULL; !ret && (c = ast_walk_contexts(c));) {
struct ast_ignorepat *ip;
if (ast_rdlock_context(c)) /* error, skip it */
continue;
for (ip = NULL; !ret && (ip = ast_walk_context_ignorepats(c, ip));) {
if (partial_match(ast_get_ignorepat_name(ip), a->word, len) && ++which > a->n) {
/* n-th match */
struct ast_context *cw = NULL;
int found = 0;
while ( (cw = ast_walk_contexts(cw)) && cw != c && !found) {
/* XXX do i stop on c, or skip it ? */
found = lookup_c_ip(cw, ast_get_ignorepat_name(ip));
}
if (!found)
ret = strdup(ast_get_ignorepat_name(ip));
}
}
ast_unlock_context(c);
}
ast_unlock_contexts();
return ret;
} else if (a->pos == 4) {
return a->n == 0 ? strdup("from") : NULL;
} else if (a->pos == 5) { /* XXX check this */
char *dupline, *duplinet, *ignorepat;
int len = strlen(a->word);
dupline = strdup(a->line);
if (!dupline) {
ast_log(LOG_WARNING, "Out of free memory\n");
return NULL;
}
duplinet = dupline;
strsep(&duplinet, " ");
strsep(&duplinet, " ");
ignorepat = strsep(&duplinet, " ");
if (!ignorepat) {
free(dupline);
return NULL;
}
if (ast_rdlock_contexts()) {
ast_log(LOG_WARNING, "Failed to lock contexts list\n");
free(dupline);
return NULL;
}
for (c = NULL; !ret && (c = ast_walk_contexts(c)); ) {
if (ast_rdlock_context(c)) /* fail, skip it */
continue;
if (!partial_match(ast_get_context_name(c), a->word, len))
continue;
if (lookup_c_ip(c, ignorepat) && ++which > a->n)
ret = strdup(ast_get_context_name(c));
ast_unlock_context(c);
}
ast_unlock_contexts();
free(dupline);
return NULL;
}
return NULL;
}
static int pbx_load_module(void);
static char *handle_cli_dialplan_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
switch (cmd) {
case CLI_INIT:
e->command = "dialplan reload";
e->usage =
"Usage: dialplan reload\n"
" Reload extensions.conf without reloading any other\n"
" modules. This command does not delete global variables\n"
" unless clearglobalvars is set to yes in extensions.conf\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
if (a->argc != 2)
return CLI_SHOWUSAGE;
if (clearglobalvars_config)
pbx_builtin_clear_globals();
pbx_load_module();
ast_cli(a->fd, "Dialplan reloaded.\n");
return CLI_SUCCESS;
}
/*!
* CLI entries for commands provided by this module
*/
static struct ast_cli_entry cli_pbx_config[] = {
AST_CLI_DEFINE(handle_cli_dialplan_add_extension, "Add new extension into context"),
AST_CLI_DEFINE(handle_cli_dialplan_remove_extension, "Remove a specified extension"),
AST_CLI_DEFINE(handle_cli_dialplan_add_ignorepat, "Add new ignore pattern"),
AST_CLI_DEFINE(handle_cli_dialplan_remove_ignorepat, "Remove ignore pattern from context"),
AST_CLI_DEFINE(handle_cli_dialplan_add_include, "Include context in other context"),
AST_CLI_DEFINE(handle_cli_dialplan_remove_include, "Remove a specified include from context"),
AST_CLI_DEFINE(handle_cli_dialplan_reload, "Reload extensions and *only* extensions"),
AST_CLI_DEFINE(handle_cli_dialplan_save, "Save current dialplan into a file")
};
static struct ast_cli_entry cli_dialplan_save =
AST_CLI_DEFINE(handle_cli_dialplan_save, "Save dialplan");
/*!
* Standard module functions ...
*/
static int unload_module(void)
{
if (static_config && !write_protect_config)
ast_cli_unregister(&cli_dialplan_save);
if (overrideswitch_config) {
ast_free(overrideswitch_config);
}
ast_cli_unregister_multiple(cli_pbx_config, ARRAY_LEN(cli_pbx_config));
ast_context_destroy(NULL, registrar);
return 0;
}
/*!\note Protect against misparsing based upon commas in the middle of fields
* like character classes. We've taken steps to permit pretty much every other
* printable character in a character class, so properly handling a comma at
* this level is a natural extension. This is almost like the standard
* application parser in app.c, except that it handles square brackets. */
static char *pbx_strsep(char **destructible, const char *delim)
{
int square = 0;
char *res = *destructible;
for (; destructible && *destructible && **destructible; (*destructible)++) {
if (**destructible == '[' && !strchr(delim, '[')) {
square++;
} else if (**destructible == ']' && !strchr(delim, ']')) {
if (square) {
square--;
}
} else if (**destructible == '\\' && !strchr(delim, '\\')) {
(*destructible)++;
} else if (strchr(delim, **destructible) && !square) {
**destructible = '\0';
(*destructible)++;
break;
}
}
if (destructible && *destructible && **destructible == '\0') {
*destructible = NULL;
}
return res;
}
static int pbx_load_config(const char *config_file)
{
struct ast_config *cfg;
char *end;
char *label;
#ifdef LOW_MEMORY
char realvalue[256];
#else
char realvalue[8192];
#endif
int lastpri = -2;
struct ast_context *con;
struct ast_variable *v;
const char *cxt;
const char *aft;
const char *newpm, *ovsw;
struct ast_flags config_flags = { 0 };
char lastextension[256];
cfg = ast_config_load(config_file, config_flags);
if (!cfg || cfg == CONFIG_STATUS_FILEINVALID)
return 0;
/* Use existing config to populate the PBX table */
static_config = ast_true(ast_variable_retrieve(cfg, "general", "static"));
write_protect_config = ast_true(ast_variable_retrieve(cfg, "general", "writeprotect"));
if ((aft = ast_variable_retrieve(cfg, "general", "autofallthrough")))
autofallthrough_config = ast_true(aft);
if ((newpm = ast_variable_retrieve(cfg, "general", "extenpatternmatchnew")))
extenpatternmatchnew_config = ast_true(newpm);
clearglobalvars_config = ast_true(ast_variable_retrieve(cfg, "general", "clearglobalvars"));
if ((ovsw = ast_variable_retrieve(cfg, "general", "overrideswitch"))) {
if (overrideswitch_config) {
ast_free(overrideswitch_config);
}
if (!ast_strlen_zero(ovsw)) {
overrideswitch_config = ast_strdup(ovsw);
} else {
overrideswitch_config = NULL;
}
}
ast_copy_string(userscontext, ast_variable_retrieve(cfg, "general", "userscontext") ?: "default", sizeof(userscontext));
for (v = ast_variable_browse(cfg, "globals"); v; v = v->next) {
pbx_substitute_variables_helper(NULL, v->value, realvalue, sizeof(realvalue) - 1);
pbx_builtin_setvar_helper(NULL, v->name, realvalue);
}
for (cxt = ast_category_browse(cfg, NULL);
cxt;
cxt = ast_category_browse(cfg, cxt)) {
/* All categories but "general" or "globals" are considered contexts */
if (!strcasecmp(cxt, "general") || !strcasecmp(cxt, "globals")) {
continue;
}
if (!(con = ast_context_find_or_create(&local_contexts, local_table, cxt, registrar))) {
continue;
}
/* Reset continuation items at the beginning of each context */
lastextension[0] = '\0';
lastpri = -2;
for (v = ast_variable_browse(cfg, cxt); v; v = v->next) {
char *tc = NULL;
char realext[256] = "";
char *stringp, *ext;
const char *vfile;
/* get filename for error reporting from top level or an #include */
vfile = !*v->file ? config_file : v->file;
if (!strncasecmp(v->name, "same", 4)) {
if (ast_strlen_zero(lastextension)) {
ast_log(LOG_ERROR,
"No previous pattern in the first entry of context '%s' to match '%s' at line %d of %s!\n",
cxt, v->name, v->lineno, vfile);
continue;
}
if ((stringp = tc = ast_strdup(v->value))) {
ast_copy_string(realext, lastextension, sizeof(realext));
goto process_extension;
}
} else if (!strcasecmp(v->name, "exten")) {
int ipri;
char *plus, *firstp;
char *pri, *appl, *data, *cidmatch;
if (!(stringp = tc = ast_strdup(v->value))) {
continue;
}
ext = S_OR(pbx_strsep(&stringp, ","), "");
pbx_substitute_variables_helper(NULL, ext, realext, sizeof(realext) - 1);
ast_copy_string(lastextension, realext, sizeof(lastextension));
process_extension:
ipri = -2;
if ((cidmatch = strchr(realext, '/'))) {
*cidmatch++ = '\0';
ast_shrink_phone_number(cidmatch);
}
pri = ast_strip(S_OR(strsep(&stringp, ","), ""));
if ((label = strchr(pri, '('))) {
*label++ = '\0';
if ((end = strchr(label, ')'))) {
*end = '\0';
} else {
ast_log(LOG_WARNING,
"Label missing trailing ')' at line %d of %s\n",
v->lineno, vfile);
ast_free(tc);
continue;
}
}
if ((plus = strchr(pri, '+'))) {
*plus++ = '\0';
}
if (!strcmp(pri,"hint")) {
ipri = PRIORITY_HINT;
} else if (!strcmp(pri, "next") || !strcmp(pri, "n")) {
if (lastpri > -2) {
ipri = lastpri + 1;
} else {
ast_log(LOG_WARNING,
"Can't use 'next' priority on the first entry at line %d of %s!\n",
v->lineno, vfile);
ast_free(tc);
continue;
}
} else if (!strcmp(pri, "same") || !strcmp(pri, "s")) {
if (lastpri > -2) {
ipri = lastpri;
} else {
ast_log(LOG_WARNING,
"Can't use 'same' priority on the first entry at line %d of %s!\n",
v->lineno, vfile);
ast_free(tc);
continue;
}
} else if (sscanf(pri, "%30d", &ipri) != 1 &&
(ipri = ast_findlabel_extension2(NULL, con, realext, pri, cidmatch)) < 1) {
ast_log(LOG_WARNING,
"Invalid priority/label '%s' at line %d of %s\n",
pri, v->lineno, vfile);
ipri = 0;
ast_free(tc);
continue;
} else if (ipri < 1) {
ast_log(LOG_WARNING, "Invalid priority '%s' at line %d of %s\n",
pri, v->lineno, vfile);
ast_free(tc);
continue;
}
appl = S_OR(stringp, "");
/* Find the first occurrence of '(' */
if (!(firstp = strchr(appl, '('))) {
/* No arguments */
data = "";
} else {
char *orig_appl = ast_strdup(appl);
if (!orig_appl) {
ast_free(tc);
continue;
}
appl = strsep(&stringp, "(");
/* check if there are variables or expressions without an application, like: exten => 100,hint,DAHDI/g0/${GLOBAL(var)} */
if (strstr(appl, "${") || strstr(appl, "$[")){
/* set appl to original one */
strcpy(appl, orig_appl);
/* set no data */
data = "";
/* no variable before application found -> go ahead */
} else {
data = S_OR(stringp, "");
if ((end = strrchr(data, ')'))) {
*end = '\0';
} else {
ast_log(LOG_WARNING,
"No closing parenthesis found? '%s(%s' at line %d of %s\n",
appl, data, v->lineno, vfile);
}
}
ast_free(orig_appl);
}
appl = ast_skip_blanks(appl);
if (ipri) {
if (plus) {
ipri += atoi(plus);
}
lastpri = ipri;
if (!ast_opt_dont_warn && (!strcmp(realext, "_.") || !strcmp(realext, "_!"))) {
ast_log(LOG_WARNING,
"The use of '%s' for an extension is strongly discouraged and can have unexpected behavior. Please use '_X%c' instead at line %d of %s\n",
realext, realext[1], v->lineno, vfile);
}
if (ast_add_extension2(con, 0, realext, ipri, label, cidmatch, appl, strdup(data), ast_free_ptr, registrar)) {
ast_log(LOG_WARNING,
"Unable to register extension at line %d of %s\n",
v->lineno, vfile);
}
}
free(tc);
} else if (!strcasecmp(v->name, "include")) {
pbx_substitute_variables_helper(NULL, v->value, realvalue, sizeof(realvalue) - 1);
if (ast_context_add_include2(con, realvalue, registrar)) {
switch (errno) {
case ENOMEM:
ast_log(LOG_WARNING, "Out of memory for context addition\n");
break;
case EBUSY:
ast_log(LOG_WARNING, "Failed to lock context(s) list, please try again later\n");
break;
case EEXIST:
ast_log(LOG_WARNING,
"Context '%s' already included in '%s' context on include at line %d of %s\n",
v->value, cxt, v->lineno, vfile);
break;
case ENOENT:
case EINVAL:
ast_log(LOG_WARNING,
"There is no existence of context '%s' included at line %d of %s\n",
errno == ENOENT ? v->value : cxt, v->lineno, vfile);
break;
default:
ast_log(LOG_WARNING,
"Failed to include '%s' in '%s' context at line %d of %s\n",
v->value, cxt, v->lineno, vfile);
break;
}
}
} else if (!strcasecmp(v->name, "ignorepat")) {
pbx_substitute_variables_helper(NULL, v->value, realvalue, sizeof(realvalue) - 1);
if (ast_context_add_ignorepat2(con, realvalue, registrar)) {
ast_log(LOG_WARNING,
"Unable to include ignorepat '%s' in context '%s' at line %d of %s\n",
v->value, cxt, v->lineno, vfile);
}
} else if (!strcasecmp(v->name, "switch") || !strcasecmp(v->name, "lswitch") || !strcasecmp(v->name, "eswitch")) {
char *stringp = realvalue;
char *appl, *data;
if (!strcasecmp(v->name, "switch")) {
pbx_substitute_variables_helper(NULL, v->value, realvalue, sizeof(realvalue) - 1);
} else {
ast_copy_string(realvalue, v->value, sizeof(realvalue));
}
appl = strsep(&stringp, "/");
data = S_OR(stringp, "");
if (ast_context_add_switch2(con, appl, data, !strcasecmp(v->name, "eswitch"), registrar)) {
ast_log(LOG_WARNING,
"Unable to include switch '%s' in context '%s' at line %d of %s\n",
v->value, cxt, v->lineno, vfile);
}
} else {
ast_log(LOG_WARNING,
"==!!== Unknown directive: %s at line %d of %s -- IGNORING!!!\n",
v->name, v->lineno, vfile);
}
}
}
ast_config_destroy(cfg);
return 1;
}
static void append_interface(char *iface, int maxlen, char *add)
{
int len = strlen(iface);
if (strlen(add) + len < maxlen - 2) {
if (strlen(iface)) {
iface[len] = '&';
strcpy(iface + len + 1, add);
} else
strcpy(iface, add);
}
}
static void pbx_load_users(void)
{
struct ast_config *cfg;
char *cat, *chan;
const char *dahdichan;
const char *hasexten, *altexts;
char tmp[256];
char iface[256];
char dahdicopy[256];
char *ext, altcopy[256];
char *c;
int hasvoicemail;
int start, finish, x;
struct ast_context *con = NULL;
struct ast_flags config_flags = { 0 };
cfg = ast_config_load("users.conf", config_flags);
if (!cfg)
return;
for (cat = ast_category_browse(cfg, NULL); cat ; cat = ast_category_browse(cfg, cat)) {
if (!strcasecmp(cat, "general"))
continue;
iface[0] = '\0';
if (ast_true(ast_config_option(cfg, cat, "hassip"))) {
snprintf(tmp, sizeof(tmp), "SIP/%s", cat);
append_interface(iface, sizeof(iface), tmp);
}
if (ast_true(ast_config_option(cfg, cat, "hasiax"))) {
snprintf(tmp, sizeof(tmp), "IAX2/%s", cat);
append_interface(iface, sizeof(iface), tmp);
}
if (ast_true(ast_config_option(cfg, cat, "hash323"))) {
snprintf(tmp, sizeof(tmp), "H323/%s", cat);
append_interface(iface, sizeof(iface), tmp);
}
hasexten = ast_config_option(cfg, cat, "hasexten");
if (hasexten && !ast_true(hasexten))
continue;
hasvoicemail = ast_true(ast_config_option(cfg, cat, "hasvoicemail"));
dahdichan = ast_variable_retrieve(cfg, cat, "dahdichan");
if (!dahdichan)
dahdichan = ast_variable_retrieve(cfg, "general", "dahdichan");
if (!ast_strlen_zero(dahdichan)) {
ast_copy_string(dahdicopy, dahdichan, sizeof(dahdicopy));
c = dahdicopy;
chan = strsep(&c, ",");
while (chan) {
if (sscanf(chan, "%30d-%30d", &start, &finish) == 2) {
/* Range */
} else if (sscanf(chan, "%30d", &start)) {
/* Just one */
finish = start;
} else {
start = 0; finish = 0;
}
if (finish < start) {
x = finish;
finish = start;
start = x;
}
for (x = start; x <= finish; x++) {
snprintf(tmp, sizeof(tmp), "DAHDI/%d", x);
append_interface(iface, sizeof(iface), tmp);
}
chan = strsep(&c, ",");
}
}
if (!ast_strlen_zero(iface)) {
/* Only create a context here when it is really needed. Otherwise default empty context
created by pbx_config may conflict with the one explicitly created by pbx_ael */
if (!con)
con = ast_context_find_or_create(&local_contexts, local_table, userscontext, registrar);
if (!con) {
ast_log(LOG_ERROR, "Can't find/create user context '%s'\n", userscontext);
return;
}
/* Add hint */
ast_add_extension2(con, 0, cat, -1, NULL, NULL, iface, NULL, NULL, registrar);
/* If voicemail, use "stdexten" else use plain old dial */
if (hasvoicemail) {
snprintf(tmp, sizeof(tmp), "stdexten,%s,${HINT}", cat);
ast_add_extension2(con, 0, cat, 1, NULL, NULL, "Macro", strdup(tmp), ast_free_ptr, registrar);
} else {
ast_add_extension2(con, 0, cat, 1, NULL, NULL, "Dial", strdup("${HINT}"), ast_free_ptr, registrar);
}
altexts = ast_variable_retrieve(cfg, cat, "alternateexts");
if (!ast_strlen_zero(altexts)) {
snprintf(tmp, sizeof(tmp), "%s,1", cat);
ast_copy_string(altcopy, altexts, sizeof(altcopy));
c = altcopy;
ext = strsep(&c, ",");
while (ext) {
ast_add_extension2(con, 0, ext, 1, NULL, NULL, "Goto", strdup(tmp), ast_free_ptr, registrar);
ext = strsep(&c, ",");
}
}
}
}
ast_config_destroy(cfg);
}
static int pbx_load_module(void)
{
struct ast_context *con;
if (!local_table)
local_table = ast_hashtab_create(17, ast_hashtab_compare_contexts, ast_hashtab_resize_java, ast_hashtab_newsize_java, ast_hashtab_hash_contexts, 0);
if (!pbx_load_config(config))
return AST_MODULE_LOAD_DECLINE;
pbx_load_users();
ast_merge_contexts_and_delete(&local_contexts, local_table, registrar);
local_table = NULL; /* the local table has been moved into the global one. */
local_contexts = NULL;
for (con = NULL; (con = ast_walk_contexts(con));)
ast_context_verify_includes(con);
pbx_set_overrideswitch(overrideswitch_config);
pbx_set_autofallthrough(autofallthrough_config);
pbx_set_extenpatternmatchnew(extenpatternmatchnew_config);
return AST_MODULE_LOAD_SUCCESS;
}
static int load_module(void)
{
if (static_config && !write_protect_config)
ast_cli_register(&cli_dialplan_save);
ast_cli_register_multiple(cli_pbx_config, ARRAY_LEN(cli_pbx_config));
if (pbx_load_module())
return AST_MODULE_LOAD_DECLINE;
return AST_MODULE_LOAD_SUCCESS;
}
static int reload(void)
{
if (clearglobalvars_config)
pbx_builtin_clear_globals();
return pbx_load_module();
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Text Extension Configuration",
.load = load_module,
.unload = unload_module,
.reload = reload,
);
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