asterisk/apps/app_directory.c

993 lines
28 KiB
C

/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2005, 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 Provide a directory of extensions
*
* \author Mark Spencer <markster@digium.com>
*
* \ingroup applications
*/
/*** MODULEINFO
<support_level>core</support_level>
***/
#include "asterisk.h"
#include <ctype.h>
#include "asterisk/paths.h" /* use ast_config_AST_SPOOL_DIR */
#include "asterisk/file.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/say.h"
#include "asterisk/app.h"
#include "asterisk/utils.h"
/*** DOCUMENTATION
<application name="Directory" language="en_US">
<synopsis>
Provide directory of voicemail extensions.
</synopsis>
<syntax>
<parameter name="vm-context">
<para>This is the context within voicemail.conf to use for the Directory. If not
specified and <literal>searchcontexts=no</literal> in
<filename>voicemail.conf</filename>, then <literal>default</literal>
will be assumed.</para>
</parameter>
<parameter name="dial-context" required="false">
<para>This is the dialplan context to use when looking for an
extension that the user has selected, or when jumping to the
<literal>o</literal> or <literal>a</literal> extension. If not
specified, the current context will be used.</para>
</parameter>
<parameter name="options" required="false">
<optionlist>
<option name="e">
<para>In addition to the name, also read the extension number to the
caller before presenting dialing options.</para>
</option>
<option name="f">
<para>Allow the caller to enter the first name of a user in the
directory instead of using the last name. If specified, the
optional number argument will be used for the number of
characters the user should enter.</para>
<argument name="n" required="true" />
</option>
<option name="l">
<para>Allow the caller to enter the last name of a user in the
directory. This is the default. If specified, the
optional number argument will be used for the number of
characters the user should enter.</para>
<argument name="n" required="true" />
</option>
<option name="b">
<para> Allow the caller to enter either the first or the last name
of a user in the directory. If specified, the optional number
argument will be used for the number of characters the user should enter.</para>
<argument name="n" required="true" />
</option>
<option name="a">
<para>Allow the caller to additionally enter an alias for a user in the
directory. This option must be specified in addition to the
<literal>f</literal>, <literal>l</literal>, or <literal>b</literal>
option.</para>
</option>
<option name="m">
<para>Instead of reading each name sequentially and asking for
confirmation, create a menu of up to 8 names.</para>
</option>
<option name="n">
<para>Read digits even if the channel is not answered.</para>
</option>
<option name="p">
<para>Pause for n milliseconds after the digits are typed. This is
helpful for people with cellphones, who are not holding the
receiver to their ear while entering DTMF.</para>
<argument name="n" required="true" />
</option>
</optionlist>
<note><para>Only one of the <replaceable>f</replaceable>, <replaceable>l</replaceable>, or <replaceable>b</replaceable>
options may be specified. <emphasis>If more than one is specified</emphasis>, then Directory will act as
if <replaceable>b</replaceable> was specified. The number
of characters for the user to type defaults to <literal>3</literal>.</para></note>
</parameter>
</syntax>
<description>
<para>This application will present the calling channel with a directory of extensions from which they can search
by name. The list of names and corresponding extensions is retrieved from the
voicemail configuration file, <filename>voicemail.conf</filename>.</para>
<para>This application will immediately exit if one of the following DTMF digits are
received and the extension to jump to exists:</para>
<para><literal>0</literal> - Jump to the 'o' extension, if it exists.</para>
<para><literal>*</literal> - Jump to the 'a' extension, if it exists.</para>
<para>This application will set the following channel variable before completion:</para>
<variablelist>
<variable name="DIRECTORY_RESULT">
<para>Reason Directory application exited.</para>
<value name="OPERATOR">User requested operator</value>
<value name="ASSISTANT">User requested assistant</value>
<value name="TIMEOUT">User allowed DTMF wait duration to pass without sending DTMF</value>
<value name="HANGUP">The channel hung up before the application finished</value>
<value name="SELECTED">User selected a user to call from the directory</value>
<value name="USEREXIT">User exited with '#' during selection</value>
<value name="FAILED">The application failed</value>
</variable>
</variablelist>
</description>
</application>
***/
static const char app[] = "Directory";
/* For simplicity, I'm keeping the format compatible with the voicemail config,
but i'm open to suggestions for isolating it */
#define VOICEMAIL_CONFIG "voicemail.conf"
enum {
OPT_LISTBYFIRSTNAME = (1 << 0),
OPT_SAYEXTENSION = (1 << 1),
OPT_FROMVOICEMAIL = (1 << 2),
OPT_SELECTFROMMENU = (1 << 3),
OPT_LISTBYLASTNAME = (1 << 4),
OPT_LISTBYEITHER = OPT_LISTBYFIRSTNAME | OPT_LISTBYLASTNAME,
OPT_PAUSE = (1 << 5),
OPT_NOANSWER = (1 << 6),
OPT_ALIAS = (1 << 7),
};
enum {
OPT_ARG_FIRSTNAME = 0,
OPT_ARG_LASTNAME = 1,
OPT_ARG_EITHER = 2,
OPT_ARG_PAUSE = 3,
/* This *must* be the last value in this enum! */
OPT_ARG_ARRAY_SIZE = 4,
};
struct directory_item {
char exten[AST_MAX_EXTENSION + 1];
char name[AST_MAX_EXTENSION + 1];
char context[AST_MAX_CONTEXT + 1];
char key[50]; /* Text to order items. Either lastname+firstname or firstname+lastname */
AST_LIST_ENTRY(directory_item) entry;
};
AST_APP_OPTIONS(directory_app_options, {
AST_APP_OPTION_ARG('f', OPT_LISTBYFIRSTNAME, OPT_ARG_FIRSTNAME),
AST_APP_OPTION_ARG('l', OPT_LISTBYLASTNAME, OPT_ARG_LASTNAME),
AST_APP_OPTION_ARG('b', OPT_LISTBYEITHER, OPT_ARG_EITHER),
AST_APP_OPTION_ARG('p', OPT_PAUSE, OPT_ARG_PAUSE),
AST_APP_OPTION('e', OPT_SAYEXTENSION),
AST_APP_OPTION('v', OPT_FROMVOICEMAIL),
AST_APP_OPTION('m', OPT_SELECTFROMMENU),
AST_APP_OPTION('n', OPT_NOANSWER),
AST_APP_OPTION('a', OPT_ALIAS),
});
static int compare(const char *text, const char *template)
{
char digit;
if (ast_strlen_zero(text)) {
return -1;
}
while (*template) {
digit = toupper(*text++);
switch (digit) {
case 0:
return -1;
case '1':
digit = '1';
break;
case '2':
case 'A':
case 'B':
case 'C':
digit = '2';
break;
case '3':
case 'D':
case 'E':
case 'F':
digit = '3';
break;
case '4':
case 'G':
case 'H':
case 'I':
digit = '4';
break;
case '5':
case 'J':
case 'K':
case 'L':
digit = '5';
break;
case '6':
case 'M':
case 'N':
case 'O':
digit = '6';
break;
case '7':
case 'P':
case 'Q':
case 'R':
case 'S':
digit = '7';
break;
case '8':
case 'T':
case 'U':
case 'V':
digit = '8';
break;
case '9':
case 'W':
case 'X':
case 'Y':
case 'Z':
digit = '9';
break;
default:
if (digit > ' ')
return -1;
continue;
}
if (*template++ != digit)
return -1;
}
return 0;
}
static int goto_exten(struct ast_channel *chan, const char *dialcontext, char *ext)
{
if (!ast_goto_if_exists(chan, S_OR(dialcontext, ast_channel_context(chan)), ext, 1) ||
(!ast_strlen_zero(ast_channel_macrocontext(chan)) &&
!ast_goto_if_exists(chan, ast_channel_macrocontext(chan), ext, 1))) {
return 0;
} else {
ast_log(LOG_WARNING, "Can't find extension '%s' in current context. "
"Not Exiting the Directory!\n", ext);
return -1;
}
}
/* play name of mailbox owner.
* returns: -1 for bad or missing extension
* '1' for selected entry from directory
* '*' for skipped entry from directory
*/
static int play_mailbox_owner(struct ast_channel *chan, const char *context,
const char *ext, const char *name, struct ast_flags *flags)
{
int res = 0;
char *mailbox_id;
mailbox_id = ast_alloca(strlen(ext) + strlen(context) + 2);
sprintf(mailbox_id, "%s@%s", ext, context); /* Safe */
res = ast_app_sayname(chan, mailbox_id);
if (res >= 0) {
ast_stopstream(chan);
/* If Option 'e' was specified, also read the extension number with the name */
if (ast_test_flag(flags, OPT_SAYEXTENSION)) {
ast_stream_and_wait(chan, "vm-extension", AST_DIGIT_ANY);
res = ast_say_character_str(chan, ext, AST_DIGIT_ANY, ast_channel_language(chan), AST_SAY_CASE_NONE);
}
} else {
res = ast_say_character_str(chan, S_OR(name, ext), AST_DIGIT_ANY, ast_channel_language(chan), AST_SAY_CASE_NONE);
if (!ast_strlen_zero(name) && ast_test_flag(flags, OPT_SAYEXTENSION)) {
ast_stream_and_wait(chan, "vm-extension", AST_DIGIT_ANY);
res = ast_say_character_str(chan, ext, AST_DIGIT_ANY, ast_channel_language(chan), AST_SAY_CASE_NONE);
}
}
return res;
}
static int select_entry(struct ast_channel *chan, const char *dialcontext, const struct directory_item *item, struct ast_flags *flags)
{
ast_debug(1, "Selecting '%s' - %s@%s\n", item->name, item->exten, S_OR(dialcontext, item->context));
if (ast_test_flag(flags, OPT_FROMVOICEMAIL)) {
/* We still want to set the exten though */
ast_channel_exten_set(chan, item->exten);
} else if (ast_goto_if_exists(chan, S_OR(dialcontext, item->context), item->exten, 1)) {
ast_log(LOG_WARNING,
"Can't find extension '%s' in context '%s'. "
"Did you pass the wrong context to Directory?\n",
item->exten, S_OR(dialcontext, item->context));
return -1;
}
pbx_builtin_setvar_helper(chan, "DIRECTORY_RESULT", "SELECTED");
return 0;
}
static int select_item_pause(struct ast_channel *chan, struct ast_flags *flags, char *opts[])
{
int res = 0, opt_pause = 0;
if (ast_test_flag(flags, OPT_PAUSE) && !ast_strlen_zero(opts[OPT_ARG_PAUSE])) {
opt_pause = atoi(opts[OPT_ARG_PAUSE]);
if (opt_pause > 3000) {
opt_pause = 3000;
}
res = ast_waitfordigit(chan, opt_pause);
}
return res;
}
static int select_item_seq(struct ast_channel *chan, struct directory_item **items, int count, const char *dialcontext, struct ast_flags *flags, char *opts[])
{
struct directory_item *item, **ptr;
int i, res, loop;
/* option p(n): cellphone pause option */
/* allow early press of selection key */
res = select_item_pause(chan, flags, opts);
for (ptr = items, i = 0; i < count; i++, ptr++) {
item = *ptr;
for (loop = 3 ; loop > 0; loop--) {
if (!res)
res = play_mailbox_owner(chan, item->context, item->exten, item->name, flags);
if (!res)
res = ast_stream_and_wait(chan, "dir-instr", AST_DIGIT_ANY);
if (!res)
res = ast_waitfordigit(chan, 3000);
ast_stopstream(chan);
if (res == '0') { /* operator selected */
goto_exten(chan, dialcontext, "o");
pbx_builtin_setvar_helper(chan, "DIRECTORY_RESULT", "OPERATOR");
return '0';
} else if (res == '1') { /* Name selected */
return select_entry(chan, dialcontext, item, flags) ? -1 : 1;
} else if (res == '*') {
/* Skip to next match in list */
break;
} else if (res == '#') {
/* Exit reading, continue in dialplan */
pbx_builtin_setvar_helper(chan, "DIRECTORY_RESULT", "USEREXIT");
return res;
}
if (res < 0)
return -1;
res = 0;
}
res = 0;
}
/* Nothing was selected */
return 0;
}
static int select_item_menu(struct ast_channel *chan, struct directory_item **items, int count, const char *dialcontext, struct ast_flags *flags, char *opts[])
{
struct directory_item **block, *item;
int i, limit, res = 0;
char buf[7+12]; /* INT_MIN has a length of 12 chars */
/* option p(n): cellphone pause option */
select_item_pause(chan, flags, opts);
for (block = items; count; block += limit, count -= limit) {
limit = count;
if (limit > 8)
limit = 8;
for (i = 0; i < limit && !res; i++) {
item = block[i];
snprintf(buf, sizeof(buf), "digits/%d", i + 1);
/* Press <num> for <name>, [ extension <ext> ] */
res = ast_streamfile(chan, "dir-multi1", ast_channel_language(chan));
if (!res)
res = ast_waitstream(chan, AST_DIGIT_ANY);
if (!res)
res = ast_streamfile(chan, buf, ast_channel_language(chan));
if (!res)
res = ast_waitstream(chan, AST_DIGIT_ANY);
if (!res)
res = ast_streamfile(chan, "dir-multi2", ast_channel_language(chan));
if (!res)
res = ast_waitstream(chan, AST_DIGIT_ANY);
if (!res)
res = play_mailbox_owner(chan, item->context, item->exten, item->name, flags);
if (!res)
res = ast_waitstream(chan, AST_DIGIT_ANY);
if (!res)
res = ast_waitfordigit(chan, 800);
}
/* Press "9" for more names. */
if (!res && count > limit) {
res = ast_streamfile(chan, "dir-multi9", ast_channel_language(chan));
if (!res)
res = ast_waitstream(chan, AST_DIGIT_ANY);
}
if (!res) {
res = ast_waitfordigit(chan, 3000);
}
if (res && res > '0' && res < '1' + limit) {
pbx_builtin_setvar_helper(chan, "DIRECTORY_RESULT", "SELECTED");
return select_entry(chan, dialcontext, block[res - '1'], flags) ? -1 : 1;
}
if (res < 0)
return -1;
res = 0;
}
/* Nothing was selected */
return 0;
}
AST_THREADSTORAGE(commonbuf);
static struct ast_config *realtime_directory(char *context)
{
struct ast_config *cfg;
struct ast_config *rtdata = NULL;
struct ast_category *cat;
struct ast_variable *var;
char *category = NULL;
const char *fullname;
const char *hidefromdir, *searchcontexts = NULL;
struct ast_flags config_flags = { 0 };
struct ast_str *tmp = ast_str_thread_get(&commonbuf, 100);
if (!tmp) {
return NULL;
}
/* Load flat file config. */
cfg = ast_config_load(VOICEMAIL_CONFIG, config_flags);
if (!cfg) {
/* Loading config failed. */
ast_log(LOG_WARNING, "Loading config failed.\n");
return NULL;
} else if (cfg == CONFIG_STATUS_FILEINVALID) {
ast_log(LOG_ERROR, "Config file %s is in an invalid format. Aborting.\n", VOICEMAIL_CONFIG);
return NULL;
}
/* Get realtime entries, categorized by their mailbox number
and present in the requested context */
if (ast_strlen_zero(context) && (searchcontexts = ast_variable_retrieve(cfg, "general", "searchcontexts"))) {
if (ast_true(searchcontexts)) {
rtdata = ast_load_realtime_multientry("voicemail", "mailbox LIKE", "%", SENTINEL);
context = NULL;
} else {
rtdata = ast_load_realtime_multientry("voicemail", "mailbox LIKE", "%", "context", "default", SENTINEL);
context = "default";
}
} else if (!ast_strlen_zero(context)) {
rtdata = ast_load_realtime_multientry("voicemail", "mailbox LIKE", "%", "context", context, SENTINEL);
}
/* if there are no results, just return the entries from the config file */
if (!rtdata) {
return cfg;
}
while ((category = ast_category_browse(rtdata, category))) {
const char *mailbox = ast_variable_retrieve(rtdata, category, "mailbox");
const char *ctx = ast_variable_retrieve(rtdata, category, "context");
if (ast_strlen_zero(mailbox)) {
ast_debug(3, "Skipping result with missing or empty mailbox\n");
continue;
}
fullname = ast_variable_retrieve(rtdata, category, "fullname");
hidefromdir = ast_variable_retrieve(rtdata, category, "hidefromdir");
if (ast_true(hidefromdir)) {
/* Skip hidden */
continue;
}
/* password,Full Name,email,pager,options */
ast_str_set(&tmp, 0, "no-password,%s,,,", S_OR(fullname, ""));
if (ast_variable_retrieve(rtdata, category, "alias")) {
struct ast_variable *alias;
for (alias = ast_variable_browse(rtdata, category); alias; alias = alias->next) {
if (!strcasecmp(alias->name, "alias")) {
ast_str_append(&tmp, 0, "|alias=%s", alias->value);
}
}
}
/* Does the context exist within the config file? If not, make one */
if (!(cat = ast_category_get(cfg, ctx, NULL))) {
if (!(cat = ast_category_new_dynamic(ctx))) {
ast_log(LOG_WARNING, "Out of memory\n");
ast_config_destroy(cfg);
if (rtdata) {
ast_config_destroy(rtdata);
}
return NULL;
}
ast_category_append(cfg, cat);
}
if ((var = ast_variable_new(mailbox, ast_str_buffer(tmp), ""))) {
ast_variable_append(cat, var);
} else {
ast_log(LOG_WARNING, "Out of memory adding mailbox '%s'\n", mailbox);
}
}
ast_config_destroy(rtdata);
return cfg;
}
static int check_match(struct directory_item **result, const char *item_context, const char *item_fullname, const char *item_ext, const char *pattern_ext, int use_first_name)
{
struct directory_item *item;
const char *key = NULL;
int namelen;
if (ast_strlen_zero(item_fullname)) {
return 0;
}
/* Set key to last name or first name depending on search mode */
if (!use_first_name)
key = strchr(item_fullname, ' ');
if (key)
key++;
else
key = item_fullname;
if (compare(key, pattern_ext))
return 0;
ast_debug(1, "Found match %s@%s\n", item_ext, item_context);
/* Match */
item = ast_calloc(1, sizeof(*item));
if (!item)
return -1;
ast_copy_string(item->context, item_context, sizeof(item->context));
ast_copy_string(item->name, item_fullname, sizeof(item->name));
ast_copy_string(item->exten, item_ext, sizeof(item->exten));
ast_copy_string(item->key, key, sizeof(item->key));
if (key != item_fullname) {
/* Key is the last name. Append first name to key in order to sort Last,First */
namelen = key - item_fullname - 1;
if (namelen > sizeof(item->key) - strlen(item->key) - 1)
namelen = sizeof(item->key) - strlen(item->key) - 1;
strncat(item->key, item_fullname, namelen);
}
*result = item;
return 1;
}
typedef AST_LIST_HEAD_NOLOCK(, directory_item) itemlist;
static int search_directory_sub(const char *context, struct ast_config *vmcfg, struct ast_config *ucfg, const char *ext, struct ast_flags flags, itemlist *alist)
{
struct ast_variable *v;
struct ast_str *buf = ast_str_thread_get(&commonbuf, 100);
char *name;
char *options;
char *alias;
char *cat;
struct directory_item *item;
int res;
if (!buf) {
return -1;
}
ast_debug(2, "Pattern: %s\n", ext);
for (v = ast_variable_browse(vmcfg, context); v; v = v->next) {
ast_str_set(&buf, 0, "%s", v->value);
options = ast_str_buffer(buf);
/* password,Full Name,email,pager,options */
strsep(&options, ","); /* Skip password */
name = strsep(&options, ","); /* Save full name */
strsep(&options, ","); /* Skip email */
strsep(&options, ","); /* Skip pager */
/* options is now the options field if it exists. */
if (options && strcasestr(options, "hidefromdir=yes")) {
/* Ignore hidden */
continue;
}
if (ast_strlen_zero(name)) {
/* No name to compare against */
continue;
}
res = 0;
if (ast_test_flag(&flags, OPT_LISTBYLASTNAME)) {
res = check_match(&item, context, name, v->name, ext, 0 /* use_first_name */);
}
if (!res && ast_test_flag(&flags, OPT_LISTBYFIRSTNAME)) {
res = check_match(&item, context, name, v->name, ext, 1 /* use_first_name */);
}
if (!res && ast_test_flag(&flags, OPT_ALIAS)
&& options && (alias = strcasestr(options, "alias="))) {
char *a;
ast_debug(1, "Found alias: %s\n", alias);
while ((a = strsep(&alias, "|"))) {
if (!strncasecmp(a, "alias=", 6)) {
if ((res = check_match(&item, context, a + 6, v->name, ext, 1))) {
break;
}
}
}
}
if (!res) {
continue;
} else if (res < 0) {
return -1;
}
AST_LIST_INSERT_TAIL(alist, item, entry);
}
if (ucfg) {
for (cat = ast_category_browse(ucfg, NULL); cat ; cat = ast_category_browse(ucfg, cat)) {
const char *position;
if (!strcasecmp(cat, "general")) {
continue;
}
if (!ast_true(ast_config_option(ucfg, cat, "hasdirectory"))) {
continue;
}
/* Find all candidate extensions */
if (!(position = ast_variable_retrieve(ucfg, cat, "fullname"))) {
continue;
}
res = 0;
if (ast_test_flag(&flags, OPT_LISTBYLASTNAME)) {
res = check_match(&item, context, position, cat, ext, 0 /* use_first_name */);
}
if (!res && ast_test_flag(&flags, OPT_LISTBYFIRSTNAME)) {
res = check_match(&item, context, position, cat, ext, 1 /* use_first_name */);
}
if (!res && ast_test_flag(&flags, OPT_ALIAS)) {
for (v = ast_variable_browse(ucfg, cat); v; v = v->next) {
if (!strcasecmp(v->name, "alias")
&& (res = check_match(&item, context, v->value, cat, ext, 1))) {
break;
}
}
}
if (!res) {
continue;
} else if (res < 0) {
return -1;
}
AST_LIST_INSERT_TAIL(alist, item, entry);
}
}
return 0;
}
static int search_directory(const char *context, struct ast_config *vmcfg, struct ast_config *ucfg, const char *ext, struct ast_flags flags, itemlist *alist)
{
const char *searchcontexts = ast_variable_retrieve(vmcfg, "general", "searchcontexts");
if (ast_strlen_zero(context)) {
if (!ast_strlen_zero(searchcontexts) && ast_true(searchcontexts)) {
/* Browse each context for a match */
int res;
const char *catg;
for (catg = ast_category_browse(vmcfg, NULL); catg; catg = ast_category_browse(vmcfg, catg)) {
if (!strcmp(catg, "general") || !strcmp(catg, "zonemessages")) {
continue;
}
if ((res = search_directory_sub(catg, vmcfg, ucfg, ext, flags, alist))) {
return res;
}
}
return 0;
} else {
ast_debug(1, "Searching by category default\n");
return search_directory_sub("default", vmcfg, ucfg, ext, flags, alist);
}
} else {
/* Browse only the listed context for a match */
ast_debug(1, "Searching by category %s\n", context);
return search_directory_sub(context, vmcfg, ucfg, ext, flags, alist);
}
}
static void sort_items(struct directory_item **sorted, int count)
{
int reordered, i;
struct directory_item **ptr, *tmp;
if (count < 2)
return;
/* Bubble-sort items by the key */
do {
reordered = 0;
for (ptr = sorted, i = 0; i < count - 1; i++, ptr++) {
if (strcasecmp(ptr[0]->key, ptr[1]->key) > 0) {
tmp = ptr[0];
ptr[0] = ptr[1];
ptr[1] = tmp;
reordered++;
}
}
} while (reordered);
}
static int do_directory(struct ast_channel *chan, struct ast_config *vmcfg, struct ast_config *ucfg, char *context, char *dialcontext, char digit, int digits, struct ast_flags *flags, char *opts[])
{
/* Read in the first three digits.. "digit" is the first digit, already read */
int res = 0;
itemlist alist = AST_LIST_HEAD_NOLOCK_INIT_VALUE;
struct directory_item *item, **ptr, **sorted = NULL;
int count, i;
char ext[10] = "";
if (digit == '0' && !goto_exten(chan, dialcontext, "o")) {
pbx_builtin_setvar_helper(chan, "DIRECTORY_RESULT", "OPERATOR");
return digit;
}
if (digit == '*' && !goto_exten(chan, dialcontext, "a")) {
pbx_builtin_setvar_helper(chan, "DIRECTORY_RESULT", "ASSISTANT");
return digit;
}
ext[0] = digit;
if (ast_readstring(chan, ext + 1, digits - 1, 3000, 3000, "#") < 0)
return -1;
res = search_directory(context, vmcfg, ucfg, ext, *flags, &alist);
if (res)
goto exit;
/* Count items in the list */
count = 0;
AST_LIST_TRAVERSE(&alist, item, entry) {
count++;
}
if (count < 1) {
res = ast_streamfile(chan, "dir-nomatch", ast_channel_language(chan));
goto exit;
}
/* Create plain array of pointers to items (for sorting) */
sorted = ast_calloc(count, sizeof(*sorted));
ptr = sorted;
AST_LIST_TRAVERSE(&alist, item, entry) {
*ptr++ = item;
}
/* Sort items */
sort_items(sorted, count);
if (DEBUG_ATLEAST(2)) {
ast_log(LOG_DEBUG, "Listing matching entries:\n");
for (ptr = sorted, i = 0; i < count; i++, ptr++) {
ast_log(LOG_DEBUG, "%s: %s\n", ptr[0]->exten, ptr[0]->name);
}
}
if (ast_test_flag(flags, OPT_SELECTFROMMENU)) {
/* Offer multiple entries at the same time */
res = select_item_menu(chan, sorted, count, dialcontext, flags, opts);
} else {
/* Offer entries one by one */
res = select_item_seq(chan, sorted, count, dialcontext, flags, opts);
}
if (!res) {
res = ast_streamfile(chan, "dir-nomore", ast_channel_language(chan));
}
exit:
if (sorted)
ast_free(sorted);
while ((item = AST_LIST_REMOVE_HEAD(&alist, entry)))
ast_free(item);
return res;
}
static int directory_exec(struct ast_channel *chan, const char *data)
{
int res = 0, digit = 3;
struct ast_config *cfg, *ucfg;
const char *dirintro;
char *parse, *opts[OPT_ARG_ARRAY_SIZE] = { 0, };
struct ast_flags flags = { 0 };
struct ast_flags config_flags = { 0 };
enum { FIRST, LAST, BOTH } which = LAST;
char digits[9] = "digits/3";
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(vmcontext);
AST_APP_ARG(dialcontext);
AST_APP_ARG(options);
);
parse = ast_strdupa(data);
AST_STANDARD_APP_ARGS(args, parse);
if (args.options && ast_app_parse_options(directory_app_options, &flags, opts, args.options))
return -1;
if (!(cfg = realtime_directory(args.vmcontext))) {
ast_log(LOG_ERROR, "Unable to read the configuration data!\n");
return -1;
}
if ((ucfg = ast_config_load("users.conf", config_flags)) == CONFIG_STATUS_FILEINVALID) {
ast_log(LOG_ERROR, "Config file users.conf is in an invalid format. Aborting.\n");
ucfg = NULL;
}
dirintro = ast_variable_retrieve(cfg, args.vmcontext, "directoryintro");
if (ast_strlen_zero(dirintro))
dirintro = ast_variable_retrieve(cfg, "general", "directoryintro");
/* the above prompts probably should be modified to include 0 for dialing operator
and # for exiting (continues in dialplan) */
if (ast_test_flag(&flags, OPT_LISTBYFIRSTNAME) && ast_test_flag(&flags, OPT_LISTBYLASTNAME)) {
if (!ast_strlen_zero(opts[OPT_ARG_EITHER])) {
digit = atoi(opts[OPT_ARG_EITHER]);
}
which = BOTH;
} else if (ast_test_flag(&flags, OPT_LISTBYFIRSTNAME)) {
if (!ast_strlen_zero(opts[OPT_ARG_FIRSTNAME])) {
digit = atoi(opts[OPT_ARG_FIRSTNAME]);
}
which = FIRST;
} else {
if (!ast_strlen_zero(opts[OPT_ARG_LASTNAME])) {
digit = atoi(opts[OPT_ARG_LASTNAME]);
}
which = LAST;
}
/* If no options specified, search by last name */
if (!ast_test_flag(&flags, OPT_LISTBYFIRSTNAME) && !ast_test_flag(&flags, OPT_LISTBYLASTNAME)) {
ast_set_flag(&flags, OPT_LISTBYLASTNAME);
which = LAST;
}
if (digit > 9) {
digit = 9;
} else if (digit < 1) {
digit = 3;
}
digits[7] = digit + '0';
if (ast_channel_state(chan) != AST_STATE_UP) {
if (!ast_test_flag(&flags, OPT_NOANSWER)) {
/* Otherwise answer unless we're supposed to read while on-hook */
res = ast_answer(chan);
}
}
for (;;) {
if (!ast_strlen_zero(dirintro) && !res) {
res = ast_stream_and_wait(chan, dirintro, AST_DIGIT_ANY);
} else if (!res) {
/* Stop playing sounds as soon as we have a digit. */
res = ast_stream_and_wait(chan, "dir-welcome", AST_DIGIT_ANY);
if (!res) {
res = ast_stream_and_wait(chan, "dir-pls-enter", AST_DIGIT_ANY);
}
if (!res) {
res = ast_stream_and_wait(chan, digits, AST_DIGIT_ANY);
}
if (!res) {
res = ast_stream_and_wait(chan,
which == FIRST ? "dir-first" :
which == LAST ? "dir-last" :
"dir-firstlast", AST_DIGIT_ANY);
}
if (!res) {
res = ast_stream_and_wait(chan, "dir-usingkeypad", AST_DIGIT_ANY);
}
}
ast_stopstream(chan);
if (!res)
res = ast_waitfordigit(chan, 5000);
if (res <= 0) {
if (res == 0) {
pbx_builtin_setvar_helper(chan, "DIRECTORY_RESULT", "TIMEOUT");
}
break;
}
res = do_directory(chan, cfg, ucfg, args.vmcontext, args.dialcontext, res, digit, &flags, opts);
if (res)
break;
res = ast_waitstream(chan, AST_DIGIT_ANY);
ast_stopstream(chan);
if (res < 0) {
break;
}
}
if (ucfg)
ast_config_destroy(ucfg);
ast_config_destroy(cfg);
if (ast_check_hangup(chan)) {
pbx_builtin_setvar_helper(chan, "DIRECTORY_RESULT", "HANGUP");
} else if (res < 0) {
/* If the res < 0 and we didn't hangup, an unaccounted for error must have happened. */
pbx_builtin_setvar_helper(chan, "DIRECTORY_RESULT", "FAILED");
}
return res < 0 ? -1 : 0;
}
static int unload_module(void)
{
int res;
res = ast_unregister_application(app);
return res;
}
static int load_module(void)
{
return ast_register_application_xml(app, directory_exec);
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Extension Directory");