Modified handle_verbose to be LOW_MEMORY aware, removed old RTP related code in chan_sip. (closes issue #16381) Reported by: michael_iedema Patches: ast_complete_source_filename.patch uploaded by michael iedema (license 942) modified by me git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@236893 65c4cc65-6c06-0410-ace0-fbb531ad65f3
2402 lines
65 KiB
C
2402 lines
65 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2006, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Standard Command Line Interface
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*
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* \author Mark Spencer <markster@digium.com>
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*/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/_private.h"
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#include "asterisk/paths.h" /* use ast_config_AST_MODULE_DIR */
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#include <sys/signal.h>
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#include <signal.h>
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#include <ctype.h>
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#include <regex.h>
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#include <pwd.h>
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#include <grp.h>
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#include "asterisk/cli.h"
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#include "asterisk/linkedlists.h"
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#include "asterisk/module.h"
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#include "asterisk/pbx.h"
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#include "asterisk/channel.h"
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#include "asterisk/utils.h"
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#include "asterisk/app.h"
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#include "asterisk/lock.h"
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#include "editline/readline/readline.h"
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#include "asterisk/threadstorage.h"
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/*!
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* \brief List of restrictions per user.
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*/
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struct cli_perm {
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unsigned int permit:1; /*!< 1=Permit 0=Deny */
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char *command; /*!< Command name (to apply restrictions) */
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AST_LIST_ENTRY(cli_perm) list;
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};
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AST_LIST_HEAD_NOLOCK(cli_perm_head, cli_perm);
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/*! \brief list of users to apply restrictions. */
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struct usergroup_cli_perm {
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int uid; /*!< User ID (-1 disabled) */
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int gid; /*!< Group ID (-1 disabled) */
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struct cli_perm_head *perms; /*!< List of permissions. */
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AST_LIST_ENTRY(usergroup_cli_perm) list;/*!< List mechanics */
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};
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/*! \brief CLI permissions config file. */
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static const char perms_config[] = "cli_permissions.conf";
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/*! \brief Default permissions value 1=Permit 0=Deny */
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static int cli_default_perm = 1;
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/*! \brief mutex used to prevent a user from running the 'cli reload permissions' command while
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* it is already running. */
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AST_MUTEX_DEFINE_STATIC(permsconfiglock);
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/*! \brief List of users and permissions. */
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static AST_RWLIST_HEAD_STATIC(cli_perms, usergroup_cli_perm);
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/*!
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* \brief map a debug or verbose value to a filename
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*/
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struct ast_debug_file {
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unsigned int level;
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AST_RWLIST_ENTRY(ast_debug_file) entry;
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char filename[0];
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};
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AST_RWLIST_HEAD(debug_file_list, ast_debug_file);
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/*! list of filenames and their debug settings */
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static struct debug_file_list debug_files;
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/*! list of filenames and their verbose settings */
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static struct debug_file_list verbose_files;
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AST_THREADSTORAGE(ast_cli_buf);
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/*! \brief Initial buffer size for resulting strings in ast_cli() */
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#define AST_CLI_INITLEN 256
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void ast_cli(int fd, const char *fmt, ...)
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{
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int res;
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struct ast_str *buf;
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va_list ap;
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if (!(buf = ast_str_thread_get(&ast_cli_buf, AST_CLI_INITLEN)))
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return;
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va_start(ap, fmt);
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res = ast_str_set_va(&buf, 0, fmt, ap);
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va_end(ap);
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if (res != AST_DYNSTR_BUILD_FAILED) {
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ast_carefulwrite(fd, ast_str_buffer(buf), ast_str_strlen(buf), 100);
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}
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}
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unsigned int ast_debug_get_by_file(const char *file)
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{
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struct ast_debug_file *adf;
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unsigned int res = 0;
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AST_RWLIST_RDLOCK(&debug_files);
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AST_LIST_TRAVERSE(&debug_files, adf, entry) {
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if (!strncasecmp(adf->filename, file, strlen(adf->filename))) {
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res = adf->level;
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break;
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}
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}
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AST_RWLIST_UNLOCK(&debug_files);
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return res;
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}
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unsigned int ast_verbose_get_by_file(const char *file)
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{
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struct ast_debug_file *adf;
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unsigned int res = 0;
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AST_RWLIST_RDLOCK(&verbose_files);
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AST_LIST_TRAVERSE(&verbose_files, adf, entry) {
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if (!strncasecmp(adf->filename, file, strlen(file))) {
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res = adf->level;
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break;
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}
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}
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AST_RWLIST_UNLOCK(&verbose_files);
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return res;
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}
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/*! \internal
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* \brief Check if the user with 'uid' and 'gid' is allow to execute 'command',
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* if command starts with '_' then not check permissions, just permit
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* to run the 'command'.
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* if uid == -1 or gid == -1 do not check permissions.
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* if uid == -2 and gid == -2 is because rasterisk client didn't send
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* the credentials, so the cli_default_perm will be applied.
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* \param uid User ID.
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* \param gid Group ID.
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* \param command Command name to check permissions.
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* \retval 1 if has permission
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* \retval 0 if it is not allowed.
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*/
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static int cli_has_permissions(int uid, int gid, const char *command)
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{
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struct usergroup_cli_perm *user_perm;
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struct cli_perm *perm;
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/* set to the default permissions general option. */
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int isallowg = cli_default_perm, isallowu = -1, ispattern;
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regex_t regexbuf;
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/* if uid == -1 or gid == -1 do not check permissions.
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if uid == -2 and gid == -2 is because rasterisk client didn't send
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the credentials, so the cli_default_perm will be applied. */
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if ((uid == CLI_NO_PERMS && gid == CLI_NO_PERMS) || command[0] == '_') {
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return 1;
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}
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if (gid < 0 && uid < 0) {
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return cli_default_perm;
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}
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AST_RWLIST_RDLOCK(&cli_perms);
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AST_LIST_TRAVERSE(&cli_perms, user_perm, list) {
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if (user_perm->gid != gid && user_perm->uid != uid) {
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continue;
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}
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AST_LIST_TRAVERSE(user_perm->perms, perm, list) {
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if (strcasecmp(perm->command, "all") && strncasecmp(perm->command, command, strlen(perm->command))) {
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/* if the perm->command is a pattern, check it against command. */
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ispattern = !regcomp(®exbuf, perm->command, REG_EXTENDED | REG_NOSUB | REG_ICASE);
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if (ispattern && regexec(®exbuf, command, 0, NULL, 0)) {
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regfree(®exbuf);
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continue;
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}
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if (!ispattern) {
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continue;
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}
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regfree(®exbuf);
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}
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if (user_perm->uid == uid) {
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/* this is a user definition. */
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isallowu = perm->permit;
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} else {
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/* otherwise is a group definition. */
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isallowg = perm->permit;
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}
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}
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}
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AST_RWLIST_UNLOCK(&cli_perms);
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if (isallowu > -1) {
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/* user definition override group definition. */
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isallowg = isallowu;
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}
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return isallowg;
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}
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static AST_RWLIST_HEAD_STATIC(helpers, ast_cli_entry);
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static char *complete_fn(const char *word, int state)
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{
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char *c, *d;
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char filename[PATH_MAX];
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if (word[0] == '/')
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ast_copy_string(filename, word, sizeof(filename));
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else
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snprintf(filename, sizeof(filename), "%s/%s", ast_config_AST_MODULE_DIR, word);
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c = d = filename_completion_function(filename, state);
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if (c && word[0] != '/')
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c += (strlen(ast_config_AST_MODULE_DIR) + 1);
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if (c)
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c = ast_strdup(c);
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free(d);
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return c;
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}
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static char *handle_load(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
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{
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/* "module load <mod>" */
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switch (cmd) {
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case CLI_INIT:
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e->command = "module load";
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e->usage =
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"Usage: module load <module name>\n"
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" Loads the specified module into Asterisk.\n";
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return NULL;
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case CLI_GENERATE:
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if (a->pos != e->args)
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return NULL;
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return complete_fn(a->word, a->n);
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}
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if (a->argc != e->args + 1)
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return CLI_SHOWUSAGE;
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if (ast_load_resource(a->argv[e->args])) {
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ast_cli(a->fd, "Unable to load module %s\n", a->argv[e->args]);
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return CLI_FAILURE;
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}
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return CLI_SUCCESS;
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}
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static char *handle_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
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{
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int x;
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switch (cmd) {
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case CLI_INIT:
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e->command = "module reload";
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e->usage =
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"Usage: module reload [module ...]\n"
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" Reloads configuration files for all listed modules which support\n"
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" reloading, or for all supported modules if none are listed.\n";
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return NULL;
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case CLI_GENERATE:
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return ast_module_helper(a->line, a->word, a->pos, a->n, a->pos, 1);
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}
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if (a->argc == e->args) {
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ast_module_reload(NULL);
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return CLI_SUCCESS;
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}
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for (x = e->args; x < a->argc; x++) {
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int res = ast_module_reload(a->argv[x]);
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/* XXX reload has multiple error returns, including -1 on error and 2 on success */
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switch (res) {
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case 0:
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ast_cli(a->fd, "No such module '%s'\n", a->argv[x]);
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break;
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case 1:
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ast_cli(a->fd, "Module '%s' does not support reload\n", a->argv[x]);
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break;
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}
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}
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return CLI_SUCCESS;
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}
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/*!
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* \brief Find the debug or verbose file setting
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* \arg debug 1 for debug, 0 for verbose
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*/
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static struct ast_debug_file *find_debug_file(const char *fn, unsigned int debug)
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{
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struct ast_debug_file *df = NULL;
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struct debug_file_list *dfl = debug ? &debug_files : &verbose_files;
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AST_LIST_TRAVERSE(dfl, df, entry) {
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if (!strcasecmp(df->filename, fn))
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break;
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}
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return df;
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}
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static char *complete_number(const char *partial, unsigned int min, unsigned int max, int n)
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{
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int i, count = 0;
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unsigned int prospective[2];
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unsigned int part = strtoul(partial, NULL, 10);
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char next[12];
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if (part < min || part > max) {
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return NULL;
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}
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for (i = 0; i < 21; i++) {
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if (i == 0) {
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prospective[0] = prospective[1] = part;
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} else if (part == 0 && !ast_strlen_zero(partial)) {
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break;
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} else if (i < 11) {
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prospective[0] = prospective[1] = part * 10 + (i - 1);
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} else {
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prospective[0] = (part * 10 + (i - 11)) * 10;
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prospective[1] = prospective[0] + 9;
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}
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if (i < 11 && (prospective[0] < min || prospective[0] > max)) {
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continue;
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} else if (prospective[1] < min || prospective[0] > max) {
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continue;
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}
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if (++count > n) {
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if (i < 11) {
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snprintf(next, sizeof(next), "%u", prospective[0]);
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} else {
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snprintf(next, sizeof(next), "%u...", prospective[0] / 10);
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}
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return ast_strdup(next);
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}
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}
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return NULL;
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}
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static char *handle_verbose(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
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{
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int oldval;
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int newlevel;
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int atleast = 0;
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int fd = a->fd;
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int argc = a->argc;
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const char * const *argv = a->argv;
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const char *argv3 = a->argv ? S_OR(a->argv[3], "") : "";
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int *dst;
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char *what;
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struct debug_file_list *dfl;
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struct ast_debug_file *adf;
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const char *fn;
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switch (cmd) {
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case CLI_INIT:
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e->command = "core set {debug|verbose}";
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e->usage =
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#if !defined(LOW_MEMORY)
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"Usage: core set {debug|verbose} [atleast] <level> [filename]\n"
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#else
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"Usage: core set {debug|verbose} [atleast] <level>\n"
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#endif
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" core set {debug|verbose} off\n"
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#if !defined(LOW_MEMORY)
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" Sets level of debug or verbose messages to be displayed or \n"
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" sets a filename to display debug messages from.\n"
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#else
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" Sets level of debug or verbose messages to be displayed.\n"
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#endif
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" 0 or off means no messages should be displayed.\n"
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" Equivalent to -d[d[...]] or -v[v[v...]] on startup\n";
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return NULL;
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|
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case CLI_GENERATE:
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if (a->pos == 3 || (a->pos == 4 && !strcasecmp(a->argv[3], "atleast"))) {
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const char *pos = a->pos == 3 ? argv3 : S_OR(a->argv[4], "");
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int numbermatch = (ast_strlen_zero(pos) || strchr("123456789", pos[0])) ? 0 : 21;
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if (a->n < 21 && numbermatch == 0) {
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return complete_number(pos, 0, 0x7fffffff, a->n);
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} else if (pos[0] == '0') {
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if (a->n == 0) {
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return ast_strdup("0");
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} else {
|
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return NULL;
|
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}
|
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} else if (a->n == (21 - numbermatch)) {
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if (a->pos == 3 && !strncasecmp(argv3, "off", strlen(argv3))) {
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return ast_strdup("off");
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} else if (a->pos == 3 && !strncasecmp(argv3, "atleast", strlen(argv3))) {
|
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return ast_strdup("atleast");
|
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}
|
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} else if (a->n == (22 - numbermatch) && a->pos == 3 && ast_strlen_zero(argv3)) {
|
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return ast_strdup("atleast");
|
|
}
|
|
#if !defined(LOW_MEMORY)
|
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} else if (a->pos == 4 || (a->pos == 5 && !strcasecmp(argv3, "atleast"))) {
|
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return ast_complete_source_filename(a->pos == 4 ? S_OR(a->argv[4], "") : S_OR(a->argv[5], ""), a->n);
|
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#endif
|
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}
|
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return NULL;
|
|
}
|
|
/* all the above return, so we proceed with the handler.
|
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* we are guaranteed to be called with argc >= e->args;
|
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*/
|
|
|
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if (argc <= e->args)
|
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return CLI_SHOWUSAGE;
|
|
if (!strcasecmp(argv[e->args - 1], "debug")) {
|
|
dst = &option_debug;
|
|
oldval = option_debug;
|
|
what = "Core debug";
|
|
} else {
|
|
dst = &option_verbose;
|
|
oldval = option_verbose;
|
|
what = "Verbosity";
|
|
}
|
|
if (argc == e->args + 1 && !strcasecmp(argv[e->args], "off")) {
|
|
unsigned int debug = (*what == 'C');
|
|
newlevel = 0;
|
|
|
|
dfl = debug ? &debug_files : &verbose_files;
|
|
|
|
AST_RWLIST_WRLOCK(dfl);
|
|
while ((adf = AST_RWLIST_REMOVE_HEAD(dfl, entry)))
|
|
ast_free(adf);
|
|
ast_clear_flag(&ast_options, debug ? AST_OPT_FLAG_DEBUG_FILE : AST_OPT_FLAG_VERBOSE_FILE);
|
|
AST_RWLIST_UNLOCK(dfl);
|
|
|
|
goto done;
|
|
}
|
|
if (!strcasecmp(argv[e->args], "atleast"))
|
|
atleast = 1;
|
|
if (argc != e->args + atleast + 1 && argc != e->args + atleast + 2)
|
|
return CLI_SHOWUSAGE;
|
|
if (sscanf(argv[e->args + atleast], "%30d", &newlevel) != 1)
|
|
return CLI_SHOWUSAGE;
|
|
if (argc == e->args + atleast + 2) {
|
|
unsigned int debug = (*what == 'C');
|
|
dfl = debug ? &debug_files : &verbose_files;
|
|
|
|
fn = argv[e->args + atleast + 1];
|
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|
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AST_RWLIST_WRLOCK(dfl);
|
|
|
|
if ((adf = find_debug_file(fn, debug)) && !newlevel) {
|
|
AST_RWLIST_REMOVE(dfl, adf, entry);
|
|
if (AST_RWLIST_EMPTY(dfl))
|
|
ast_clear_flag(&ast_options, debug ? AST_OPT_FLAG_DEBUG_FILE : AST_OPT_FLAG_VERBOSE_FILE);
|
|
AST_RWLIST_UNLOCK(dfl);
|
|
ast_cli(fd, "%s was %d and has been set to 0 for '%s'\n", what, adf->level, fn);
|
|
ast_free(adf);
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
if (adf) {
|
|
if ((atleast && newlevel < adf->level) || adf->level == newlevel) {
|
|
ast_cli(fd, "%s is %d for '%s'\n", what, adf->level, fn);
|
|
AST_RWLIST_UNLOCK(dfl);
|
|
return CLI_SUCCESS;
|
|
}
|
|
} else if (!(adf = ast_calloc(1, sizeof(*adf) + strlen(fn) + 1))) {
|
|
AST_RWLIST_UNLOCK(dfl);
|
|
return CLI_FAILURE;
|
|
}
|
|
|
|
oldval = adf->level;
|
|
adf->level = newlevel;
|
|
strcpy(adf->filename, fn);
|
|
|
|
ast_set_flag(&ast_options, debug ? AST_OPT_FLAG_DEBUG_FILE : AST_OPT_FLAG_VERBOSE_FILE);
|
|
|
|
AST_RWLIST_INSERT_TAIL(dfl, adf, entry);
|
|
AST_RWLIST_UNLOCK(dfl);
|
|
|
|
ast_cli(fd, "%s was %d and has been set to %d for '%s'\n", what, oldval, adf->level, adf->filename);
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
done:
|
|
if (!atleast || newlevel > *dst)
|
|
*dst = newlevel;
|
|
if (oldval > 0 && *dst == 0)
|
|
ast_cli(fd, "%s is now OFF\n", what);
|
|
else if (*dst > 0) {
|
|
if (oldval == *dst)
|
|
ast_cli(fd, "%s is at least %d\n", what, *dst);
|
|
else
|
|
ast_cli(fd, "%s was %d and is now %d\n", what, oldval, *dst);
|
|
}
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_logger_mute(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "logger mute";
|
|
e->usage =
|
|
"Usage: logger mute\n"
|
|
" Disables logging output to the current console, making it possible to\n"
|
|
" gather information without being disturbed by scrolling lines.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc < 2 || a->argc > 3)
|
|
return CLI_SHOWUSAGE;
|
|
|
|
if (a->argc == 3 && !strcasecmp(a->argv[2], "silent"))
|
|
ast_console_toggle_mute(a->fd, 1);
|
|
else
|
|
ast_console_toggle_mute(a->fd, 0);
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_unload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
/* "module unload mod_1 [mod_2 .. mod_N]" */
|
|
int x;
|
|
int force = AST_FORCE_SOFT;
|
|
const char *s;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "module unload";
|
|
e->usage =
|
|
"Usage: module unload [-f|-h] <module_1> [<module_2> ... ]\n"
|
|
" Unloads the specified module from Asterisk. The -f\n"
|
|
" option causes the module to be unloaded even if it is\n"
|
|
" in use (may cause a crash) and the -h module causes the\n"
|
|
" module to be unloaded even if the module says it cannot, \n"
|
|
" which almost always will cause a crash.\n";
|
|
return NULL;
|
|
|
|
case CLI_GENERATE:
|
|
return ast_module_helper(a->line, a->word, a->pos, a->n, a->pos, 0);
|
|
}
|
|
if (a->argc < e->args + 1)
|
|
return CLI_SHOWUSAGE;
|
|
x = e->args; /* first argument */
|
|
s = a->argv[x];
|
|
if (s[0] == '-') {
|
|
if (s[1] == 'f')
|
|
force = AST_FORCE_FIRM;
|
|
else if (s[1] == 'h')
|
|
force = AST_FORCE_HARD;
|
|
else
|
|
return CLI_SHOWUSAGE;
|
|
if (a->argc < e->args + 2) /* need at least one module name */
|
|
return CLI_SHOWUSAGE;
|
|
x++; /* skip this argument */
|
|
}
|
|
|
|
for (; x < a->argc; x++) {
|
|
if (ast_unload_resource(a->argv[x], force)) {
|
|
ast_cli(a->fd, "Unable to unload resource %s\n", a->argv[x]);
|
|
return CLI_FAILURE;
|
|
}
|
|
}
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
#define MODLIST_FORMAT "%-30s %-40.40s %-10d\n"
|
|
#define MODLIST_FORMAT2 "%-30s %-40.40s %-10s\n"
|
|
|
|
AST_MUTEX_DEFINE_STATIC(climodentrylock);
|
|
static int climodentryfd = -1;
|
|
|
|
static int modlist_modentry(const char *module, const char *description, int usecnt, const char *like)
|
|
{
|
|
/* Comparing the like with the module */
|
|
if (strcasestr(module, like) ) {
|
|
ast_cli(climodentryfd, MODLIST_FORMAT, module, description, usecnt);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void print_uptimestr(int fd, struct timeval timeval, const char *prefix, int printsec)
|
|
{
|
|
int x; /* the main part - years, weeks, etc. */
|
|
struct ast_str *out;
|
|
|
|
#define SECOND (1)
|
|
#define MINUTE (SECOND*60)
|
|
#define HOUR (MINUTE*60)
|
|
#define DAY (HOUR*24)
|
|
#define WEEK (DAY*7)
|
|
#define YEAR (DAY*365)
|
|
#define NEEDCOMMA(x) ((x)? ",": "") /* define if we need a comma */
|
|
if (timeval.tv_sec < 0) /* invalid, nothing to show */
|
|
return;
|
|
|
|
if (printsec) { /* plain seconds output */
|
|
ast_cli(fd, "%s: %lu\n", prefix, (u_long)timeval.tv_sec);
|
|
return;
|
|
}
|
|
out = ast_str_alloca(256);
|
|
if (timeval.tv_sec > YEAR) {
|
|
x = (timeval.tv_sec / YEAR);
|
|
timeval.tv_sec -= (x * YEAR);
|
|
ast_str_append(&out, 0, "%d year%s%s ", x, ESS(x),NEEDCOMMA(timeval.tv_sec));
|
|
}
|
|
if (timeval.tv_sec > WEEK) {
|
|
x = (timeval.tv_sec / WEEK);
|
|
timeval.tv_sec -= (x * WEEK);
|
|
ast_str_append(&out, 0, "%d week%s%s ", x, ESS(x),NEEDCOMMA(timeval.tv_sec));
|
|
}
|
|
if (timeval.tv_sec > DAY) {
|
|
x = (timeval.tv_sec / DAY);
|
|
timeval.tv_sec -= (x * DAY);
|
|
ast_str_append(&out, 0, "%d day%s%s ", x, ESS(x),NEEDCOMMA(timeval.tv_sec));
|
|
}
|
|
if (timeval.tv_sec > HOUR) {
|
|
x = (timeval.tv_sec / HOUR);
|
|
timeval.tv_sec -= (x * HOUR);
|
|
ast_str_append(&out, 0, "%d hour%s%s ", x, ESS(x),NEEDCOMMA(timeval.tv_sec));
|
|
}
|
|
if (timeval.tv_sec > MINUTE) {
|
|
x = (timeval.tv_sec / MINUTE);
|
|
timeval.tv_sec -= (x * MINUTE);
|
|
ast_str_append(&out, 0, "%d minute%s%s ", x, ESS(x),NEEDCOMMA(timeval.tv_sec));
|
|
}
|
|
x = timeval.tv_sec;
|
|
if (x > 0 || ast_str_strlen(out) == 0) /* if there is nothing, print 0 seconds */
|
|
ast_str_append(&out, 0, "%d second%s ", x, ESS(x));
|
|
ast_cli(fd, "%s: %s\n", prefix, ast_str_buffer(out));
|
|
}
|
|
|
|
static struct ast_cli_entry *cli_next(struct ast_cli_entry *e)
|
|
{
|
|
if (e) {
|
|
return AST_LIST_NEXT(e, list);
|
|
} else {
|
|
return AST_LIST_FIRST(&helpers);
|
|
}
|
|
}
|
|
|
|
static char * handle_showuptime(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
struct timeval curtime = ast_tvnow();
|
|
int printsec;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "core show uptime [seconds]";
|
|
e->usage =
|
|
"Usage: core show uptime [seconds]\n"
|
|
" Shows Asterisk uptime information.\n"
|
|
" The seconds word returns the uptime in seconds only.\n";
|
|
return NULL;
|
|
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
/* regular handler */
|
|
if (a->argc == e->args && !strcasecmp(a->argv[e->args-1],"seconds"))
|
|
printsec = 1;
|
|
else if (a->argc == e->args-1)
|
|
printsec = 0;
|
|
else
|
|
return CLI_SHOWUSAGE;
|
|
if (ast_startuptime.tv_sec)
|
|
print_uptimestr(a->fd, ast_tvsub(curtime, ast_startuptime), "System uptime", printsec);
|
|
if (ast_lastreloadtime.tv_sec)
|
|
print_uptimestr(a->fd, ast_tvsub(curtime, ast_lastreloadtime), "Last reload", printsec);
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_modlist(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
const char *like;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "module show [like]";
|
|
e->usage =
|
|
"Usage: module show [like keyword]\n"
|
|
" Shows Asterisk modules currently in use, and usage statistics.\n";
|
|
return NULL;
|
|
|
|
case CLI_GENERATE:
|
|
if (a->pos == e->args)
|
|
return ast_module_helper(a->line, a->word, a->pos, a->n, a->pos, 0);
|
|
else
|
|
return NULL;
|
|
}
|
|
/* all the above return, so we proceed with the handler.
|
|
* we are guaranteed to have argc >= e->args
|
|
*/
|
|
if (a->argc == e->args - 1)
|
|
like = "";
|
|
else if (a->argc == e->args + 1 && !strcasecmp(a->argv[e->args-1], "like") )
|
|
like = a->argv[e->args];
|
|
else
|
|
return CLI_SHOWUSAGE;
|
|
|
|
ast_mutex_lock(&climodentrylock);
|
|
climodentryfd = a->fd; /* global, protected by climodentrylock */
|
|
ast_cli(a->fd, MODLIST_FORMAT2, "Module", "Description", "Use Count");
|
|
ast_cli(a->fd,"%d modules loaded\n", ast_update_module_list(modlist_modentry, like));
|
|
climodentryfd = -1;
|
|
ast_mutex_unlock(&climodentrylock);
|
|
return CLI_SUCCESS;
|
|
}
|
|
#undef MODLIST_FORMAT
|
|
#undef MODLIST_FORMAT2
|
|
|
|
static char *handle_showcalls(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
struct timeval curtime = ast_tvnow();
|
|
int showuptime, printsec;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "core show calls [uptime]";
|
|
e->usage =
|
|
"Usage: core show calls [uptime] [seconds]\n"
|
|
" Lists number of currently active calls and total number of calls\n"
|
|
" processed through PBX since last restart. If 'uptime' is specified\n"
|
|
" the system uptime is also displayed. If 'seconds' is specified in\n"
|
|
" addition to 'uptime', the system uptime is displayed in seconds.\n";
|
|
return NULL;
|
|
|
|
case CLI_GENERATE:
|
|
if (a->pos != e->args)
|
|
return NULL;
|
|
return a->n == 0 ? ast_strdup("seconds") : NULL;
|
|
}
|
|
|
|
/* regular handler */
|
|
if (a->argc >= e->args && !strcasecmp(a->argv[e->args-1],"uptime")) {
|
|
showuptime = 1;
|
|
|
|
if (a->argc == e->args+1 && !strcasecmp(a->argv[e->args],"seconds"))
|
|
printsec = 1;
|
|
else if (a->argc == e->args)
|
|
printsec = 0;
|
|
else
|
|
return CLI_SHOWUSAGE;
|
|
} else if (a->argc == e->args-1) {
|
|
showuptime = 0;
|
|
printsec = 0;
|
|
} else
|
|
return CLI_SHOWUSAGE;
|
|
|
|
if (option_maxcalls) {
|
|
ast_cli(a->fd, "%d of %d max active call%s (%5.2f%% of capacity)\n",
|
|
ast_active_calls(), option_maxcalls, ESS(ast_active_calls()),
|
|
((double)ast_active_calls() / (double)option_maxcalls) * 100.0);
|
|
} else {
|
|
ast_cli(a->fd, "%d active call%s\n", ast_active_calls(), ESS(ast_active_calls()));
|
|
}
|
|
|
|
ast_cli(a->fd, "%d call%s processed\n", ast_processed_calls(), ESS(ast_processed_calls()));
|
|
|
|
if (ast_startuptime.tv_sec && showuptime) {
|
|
print_uptimestr(a->fd, ast_tvsub(curtime, ast_startuptime), "System uptime", printsec);
|
|
}
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static char *handle_chanlist(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
#define FORMAT_STRING "%-20.20s %-20.20s %-7.7s %-30.30s\n"
|
|
#define FORMAT_STRING2 "%-20.20s %-20.20s %-7.7s %-30.30s\n"
|
|
#define CONCISE_FORMAT_STRING "%s!%s!%s!%d!%s!%s!%s!%s!%s!%s!%d!%s!%s!%s\n"
|
|
#define VERBOSE_FORMAT_STRING "%-20.20s %-20.20s %-16.16s %4d %-7.7s %-12.12s %-25.25s %-15.15s %8.8s %-11.11s %-11.11s %-20.20s\n"
|
|
#define VERBOSE_FORMAT_STRING2 "%-20.20s %-20.20s %-16.16s %-4.4s %-7.7s %-12.12s %-25.25s %-15.15s %8.8s %-11.11s %-11.11s %-20.20s\n"
|
|
|
|
struct ast_channel *c = NULL;
|
|
int numchans = 0, concise = 0, verbose = 0, count = 0;
|
|
struct ast_channel_iterator *iter = NULL;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "core show channels [concise|verbose|count]";
|
|
e->usage =
|
|
"Usage: core show channels [concise|verbose|count]\n"
|
|
" Lists currently defined channels and some information about them. If\n"
|
|
" 'concise' is specified, the format is abridged and in a more easily\n"
|
|
" machine parsable format. If 'verbose' is specified, the output includes\n"
|
|
" more and longer fields. If 'count' is specified only the channel and call\n"
|
|
" count is output.\n"
|
|
" The 'concise' option is deprecated and will be removed from future versions\n"
|
|
" of Asterisk.\n";
|
|
return NULL;
|
|
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc == e->args) {
|
|
if (!strcasecmp(a->argv[e->args-1],"concise"))
|
|
concise = 1;
|
|
else if (!strcasecmp(a->argv[e->args-1],"verbose"))
|
|
verbose = 1;
|
|
else if (!strcasecmp(a->argv[e->args-1],"count"))
|
|
count = 1;
|
|
else
|
|
return CLI_SHOWUSAGE;
|
|
} else if (a->argc != e->args - 1)
|
|
return CLI_SHOWUSAGE;
|
|
|
|
if (!count) {
|
|
if (!concise && !verbose)
|
|
ast_cli(a->fd, FORMAT_STRING2, "Channel", "Location", "State", "Application(Data)");
|
|
else if (verbose)
|
|
ast_cli(a->fd, VERBOSE_FORMAT_STRING2, "Channel", "Context", "Extension", "Priority", "State", "Application", "Data",
|
|
"CallerID", "Duration", "Accountcode", "PeerAccount", "BridgedTo");
|
|
}
|
|
|
|
if (!count && !(iter = ast_channel_iterator_all_new())) {
|
|
return CLI_FAILURE;
|
|
}
|
|
|
|
for (; iter && (c = ast_channel_iterator_next(iter)); ast_channel_unref(c)) {
|
|
struct ast_channel *bc;
|
|
char durbuf[10] = "-";
|
|
|
|
ast_channel_lock(c);
|
|
|
|
bc = ast_bridged_channel(c);
|
|
|
|
if (!count) {
|
|
if ((concise || verbose) && c->cdr && !ast_tvzero(c->cdr->start)) {
|
|
int duration = (int)(ast_tvdiff_ms(ast_tvnow(), c->cdr->start) / 1000);
|
|
if (verbose) {
|
|
int durh = duration / 3600;
|
|
int durm = (duration % 3600) / 60;
|
|
int durs = duration % 60;
|
|
snprintf(durbuf, sizeof(durbuf), "%02d:%02d:%02d", durh, durm, durs);
|
|
} else {
|
|
snprintf(durbuf, sizeof(durbuf), "%d", duration);
|
|
}
|
|
}
|
|
if (concise) {
|
|
ast_cli(a->fd, CONCISE_FORMAT_STRING, c->name, c->context, c->exten, c->priority, ast_state2str(c->_state),
|
|
c->appl ? c->appl : "(None)",
|
|
S_OR(c->data, ""), /* XXX different from verbose ? */
|
|
S_OR(c->cid.cid_num, ""),
|
|
S_OR(c->accountcode, ""),
|
|
S_OR(c->peeraccount, ""),
|
|
c->amaflags,
|
|
durbuf,
|
|
bc ? bc->name : "(None)",
|
|
c->uniqueid);
|
|
} else if (verbose) {
|
|
ast_cli(a->fd, VERBOSE_FORMAT_STRING, c->name, c->context, c->exten, c->priority, ast_state2str(c->_state),
|
|
c->appl ? c->appl : "(None)",
|
|
c->data ? S_OR(c->data, "(Empty)" ): "(None)",
|
|
S_OR(c->cid.cid_num, ""),
|
|
durbuf,
|
|
S_OR(c->accountcode, ""),
|
|
S_OR(c->peeraccount, ""),
|
|
bc ? bc->name : "(None)");
|
|
} else {
|
|
char locbuf[40] = "(None)";
|
|
char appdata[40] = "(None)";
|
|
|
|
if (!ast_strlen_zero(c->context) && !ast_strlen_zero(c->exten))
|
|
snprintf(locbuf, sizeof(locbuf), "%s@%s:%d", c->exten, c->context, c->priority);
|
|
if (c->appl)
|
|
snprintf(appdata, sizeof(appdata), "%s(%s)", c->appl, S_OR(c->data, ""));
|
|
ast_cli(a->fd, FORMAT_STRING, c->name, locbuf, ast_state2str(c->_state), appdata);
|
|
}
|
|
}
|
|
ast_channel_unlock(c);
|
|
}
|
|
|
|
if (iter) {
|
|
ast_channel_iterator_destroy(iter);
|
|
}
|
|
|
|
if (!concise) {
|
|
numchans = ast_active_channels();
|
|
ast_cli(a->fd, "%d active channel%s\n", numchans, ESS(numchans));
|
|
if (option_maxcalls)
|
|
ast_cli(a->fd, "%d of %d max active call%s (%5.2f%% of capacity)\n",
|
|
ast_active_calls(), option_maxcalls, ESS(ast_active_calls()),
|
|
((double)ast_active_calls() / (double)option_maxcalls) * 100.0);
|
|
else
|
|
ast_cli(a->fd, "%d active call%s\n", ast_active_calls(), ESS(ast_active_calls()));
|
|
|
|
ast_cli(a->fd, "%d call%s processed\n", ast_processed_calls(), ESS(ast_processed_calls()));
|
|
}
|
|
|
|
return CLI_SUCCESS;
|
|
|
|
#undef FORMAT_STRING
|
|
#undef FORMAT_STRING2
|
|
#undef CONCISE_FORMAT_STRING
|
|
#undef VERBOSE_FORMAT_STRING
|
|
#undef VERBOSE_FORMAT_STRING2
|
|
}
|
|
|
|
static char *handle_softhangup(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
struct ast_channel *c=NULL;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "channel request hangup";
|
|
e->usage =
|
|
"Usage: channel request hangup <channel>\n"
|
|
" Request that a channel be hung up. The hangup takes effect\n"
|
|
" the next time the driver reads or writes from the channel\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return ast_complete_channels(a->line, a->word, a->pos, a->n, e->args);
|
|
}
|
|
|
|
if (a->argc != 4) {
|
|
return CLI_SHOWUSAGE;
|
|
}
|
|
|
|
if ((c = ast_channel_get_by_name(a->argv[3]))) {
|
|
ast_channel_lock(c);
|
|
ast_cli(a->fd, "Requested Hangup on channel '%s'\n", c->name);
|
|
ast_softhangup(c, AST_SOFTHANGUP_EXPLICIT);
|
|
ast_channel_unlock(c);
|
|
c = ast_channel_unref(c);
|
|
} else {
|
|
ast_cli(a->fd, "%s is not a known channel\n", a->argv[3]);
|
|
}
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
/*! \brief handles CLI command 'cli show permissions' */
|
|
static char *handle_cli_show_permissions(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
struct usergroup_cli_perm *cp;
|
|
struct cli_perm *perm;
|
|
struct passwd *pw = NULL;
|
|
struct group *gr = NULL;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "cli show permissions";
|
|
e->usage =
|
|
"Usage: cli show permissions\n"
|
|
" Shows CLI configured permissions.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
AST_RWLIST_RDLOCK(&cli_perms);
|
|
AST_LIST_TRAVERSE(&cli_perms, cp, list) {
|
|
if (cp->uid >= 0) {
|
|
pw = getpwuid(cp->uid);
|
|
if (pw) {
|
|
ast_cli(a->fd, "user: %s [uid=%d]\n", pw->pw_name, cp->uid);
|
|
}
|
|
} else {
|
|
gr = getgrgid(cp->gid);
|
|
if (gr) {
|
|
ast_cli(a->fd, "group: %s [gid=%d]\n", gr->gr_name, cp->gid);
|
|
}
|
|
}
|
|
ast_cli(a->fd, "Permissions:\n");
|
|
if (cp->perms) {
|
|
AST_LIST_TRAVERSE(cp->perms, perm, list) {
|
|
ast_cli(a->fd, "\t%s -> %s\n", perm->permit ? "permit" : "deny", perm->command);
|
|
}
|
|
}
|
|
ast_cli(a->fd, "\n");
|
|
}
|
|
AST_RWLIST_UNLOCK(&cli_perms);
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
/*! \brief handles CLI command 'cli reload permissions' */
|
|
static char *handle_cli_reload_permissions(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "cli reload permissions";
|
|
e->usage =
|
|
"Usage: cli reload permissions\n"
|
|
" Reload the 'cli_permissions.conf' file.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
ast_cli_perms_init(1);
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
/*! \brief handles CLI command 'cli check permissions' */
|
|
static char *handle_cli_check_permissions(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
struct passwd *pw = NULL;
|
|
struct group *gr;
|
|
int gid = -1, uid = -1;
|
|
char command[AST_MAX_ARGS] = "";
|
|
struct ast_cli_entry *ce = NULL;
|
|
int found = 0;
|
|
char *group, *tmp;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "cli check permissions";
|
|
e->usage =
|
|
"Usage: cli check permissions {<username>|@<groupname>|<username>@<groupname>} [<command>]\n"
|
|
" Check permissions config for a user@group or list the allowed commands for the specified user.\n"
|
|
" The username or the groupname may be omitted.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
if (a->pos >= 4) {
|
|
return ast_cli_generator(a->line + strlen("cli check permissions") + strlen(a->argv[3]) + 1, a->word, a->n);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc < 4) {
|
|
return CLI_SHOWUSAGE;
|
|
}
|
|
|
|
tmp = ast_strdupa(a->argv[3]);
|
|
group = strchr(tmp, '@');
|
|
if (group) {
|
|
gr = getgrnam(&group[1]);
|
|
if (!gr) {
|
|
ast_cli(a->fd, "Unknown group '%s'\n", &group[1]);
|
|
return CLI_FAILURE;
|
|
}
|
|
group[0] = '\0';
|
|
gid = gr->gr_gid;
|
|
}
|
|
|
|
if (!group && ast_strlen_zero(tmp)) {
|
|
ast_cli(a->fd, "You didn't supply a username\n");
|
|
} else if (!ast_strlen_zero(tmp) && !(pw = getpwnam(tmp))) {
|
|
ast_cli(a->fd, "Unknown user '%s'\n", tmp);
|
|
return CLI_FAILURE;
|
|
} else if (pw) {
|
|
uid = pw->pw_uid;
|
|
}
|
|
|
|
if (a->argc == 4) {
|
|
while ((ce = cli_next(ce))) {
|
|
/* Hide commands that start with '_' */
|
|
if (ce->_full_cmd[0] == '_') {
|
|
continue;
|
|
}
|
|
if (cli_has_permissions(uid, gid, ce->_full_cmd)) {
|
|
ast_cli(a->fd, "%30.30s %s\n", ce->_full_cmd, S_OR(ce->summary, "<no description available>"));
|
|
found++;
|
|
}
|
|
}
|
|
if (!found) {
|
|
ast_cli(a->fd, "You are not allowed to run any command on Asterisk\n");
|
|
}
|
|
} else {
|
|
ast_join(command, sizeof(command), a->argv + 4);
|
|
ast_cli(a->fd, "%s '%s%s%s' is %s to run command: '%s'\n", uid >= 0 ? "User" : "Group", tmp,
|
|
group && uid >= 0 ? "@" : "",
|
|
group ? &group[1] : "",
|
|
cli_has_permissions(uid, gid, command) ? "allowed" : "not allowed", command);
|
|
}
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *__ast_cli_generator(const char *text, const char *word, int state, int lock);
|
|
|
|
static char *handle_commandmatchesarray(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
char *buf, *obuf;
|
|
int buflen = 2048;
|
|
int len = 0;
|
|
char **matches;
|
|
int x, matchlen;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "_command matchesarray";
|
|
e->usage =
|
|
"Usage: _command matchesarray \"<line>\" text \n"
|
|
" This function is used internally to help with command completion and should.\n"
|
|
" never be called by the user directly.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc != 4)
|
|
return CLI_SHOWUSAGE;
|
|
if (!(buf = ast_malloc(buflen)))
|
|
return CLI_FAILURE;
|
|
buf[len] = '\0';
|
|
matches = ast_cli_completion_matches(a->argv[2], a->argv[3]);
|
|
if (matches) {
|
|
for (x=0; matches[x]; x++) {
|
|
matchlen = strlen(matches[x]) + 1;
|
|
if (len + matchlen >= buflen) {
|
|
buflen += matchlen * 3;
|
|
obuf = buf;
|
|
if (!(buf = ast_realloc(obuf, buflen)))
|
|
/* Memory allocation failure... Just free old buffer and be done */
|
|
ast_free(obuf);
|
|
}
|
|
if (buf)
|
|
len += sprintf( buf + len, "%s ", matches[x]);
|
|
ast_free(matches[x]);
|
|
matches[x] = NULL;
|
|
}
|
|
ast_free(matches);
|
|
}
|
|
|
|
if (buf) {
|
|
ast_cli(a->fd, "%s%s",buf, AST_CLI_COMPLETE_EOF);
|
|
ast_free(buf);
|
|
} else
|
|
ast_cli(a->fd, "NULL\n");
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
|
|
|
|
static char *handle_commandnummatches(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
int matches = 0;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "_command nummatches";
|
|
e->usage =
|
|
"Usage: _command nummatches \"<line>\" text \n"
|
|
" This function is used internally to help with command completion and should.\n"
|
|
" never be called by the user directly.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc != 4)
|
|
return CLI_SHOWUSAGE;
|
|
|
|
matches = ast_cli_generatornummatches(a->argv[2], a->argv[3]);
|
|
|
|
ast_cli(a->fd, "%d", matches);
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_commandcomplete(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
char *buf;
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "_command complete";
|
|
e->usage =
|
|
"Usage: _command complete \"<line>\" text state\n"
|
|
" This function is used internally to help with command completion and should.\n"
|
|
" never be called by the user directly.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
if (a->argc != 5)
|
|
return CLI_SHOWUSAGE;
|
|
buf = __ast_cli_generator(a->argv[2], a->argv[3], atoi(a->argv[4]), 0);
|
|
if (buf) {
|
|
ast_cli(a->fd, "%s", buf);
|
|
ast_free(buf);
|
|
} else
|
|
ast_cli(a->fd, "NULL\n");
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
struct channel_set_debug_args {
|
|
int fd;
|
|
int is_off;
|
|
};
|
|
|
|
static int channel_set_debug(void *obj, void *arg, void *data, int flags)
|
|
{
|
|
struct ast_channel *chan = obj;
|
|
struct channel_set_debug_args *args = data;
|
|
|
|
ast_channel_lock(chan);
|
|
|
|
if (!(chan->fin & DEBUGCHAN_FLAG) || !(chan->fout & DEBUGCHAN_FLAG)) {
|
|
if (args->is_off) {
|
|
chan->fin &= ~DEBUGCHAN_FLAG;
|
|
chan->fout &= ~DEBUGCHAN_FLAG;
|
|
} else {
|
|
chan->fin |= DEBUGCHAN_FLAG;
|
|
chan->fout |= DEBUGCHAN_FLAG;
|
|
}
|
|
ast_cli(args->fd, "Debugging %s on channel %s\n", args->is_off ? "disabled" : "enabled",
|
|
chan->name);
|
|
}
|
|
|
|
ast_channel_unlock(chan);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static char *handle_core_set_debug_channel(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
struct ast_channel *c = NULL;
|
|
struct channel_set_debug_args args = {
|
|
.fd = a->fd,
|
|
};
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "core set debug channel";
|
|
e->usage =
|
|
"Usage: core set debug channel <all|channel> [off]\n"
|
|
" Enables/disables debugging on all or on a specific channel.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
/* XXX remember to handle the optional "off" */
|
|
if (a->pos != e->args)
|
|
return NULL;
|
|
return a->n == 0 ? ast_strdup("all") : ast_complete_channels(a->line, a->word, a->pos, a->n - 1, e->args);
|
|
}
|
|
|
|
if (cmd == (CLI_HANDLER + 1000)) {
|
|
/* called from handle_nodebugchan_deprecated */
|
|
args.is_off = 1;
|
|
} else if (a->argc == e->args + 2) {
|
|
/* 'core set debug channel {all|chan_id}' */
|
|
if (!strcasecmp(a->argv[e->args + 1], "off"))
|
|
args.is_off = 1;
|
|
else
|
|
return CLI_SHOWUSAGE;
|
|
} else if (a->argc != e->args + 1) {
|
|
return CLI_SHOWUSAGE;
|
|
}
|
|
|
|
if (!strcasecmp("all", a->argv[e->args])) {
|
|
if (args.is_off) {
|
|
global_fin &= ~DEBUGCHAN_FLAG;
|
|
global_fout &= ~DEBUGCHAN_FLAG;
|
|
} else {
|
|
global_fin |= DEBUGCHAN_FLAG;
|
|
global_fout |= DEBUGCHAN_FLAG;
|
|
}
|
|
ast_channel_callback(channel_set_debug, NULL, &args, OBJ_NODATA | OBJ_MULTIPLE);
|
|
} else {
|
|
if ((c = ast_channel_get_by_name(a->argv[e->args]))) {
|
|
channel_set_debug(c, NULL, &args, 0);
|
|
ast_channel_unref(c);
|
|
} else {
|
|
ast_cli(a->fd, "No such channel %s\n", a->argv[e->args]);
|
|
}
|
|
}
|
|
|
|
ast_cli(a->fd, "Debugging on new channels is %s\n", args.is_off ? "disabled" : "enabled");
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_nodebugchan_deprecated(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
char *res;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "no debug channel";
|
|
return NULL;
|
|
case CLI_HANDLER:
|
|
/* exit out of switch statement */
|
|
break;
|
|
default:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc != e->args + 1)
|
|
return CLI_SHOWUSAGE;
|
|
|
|
/* add a 'magic' value to the CLI_HANDLER command so that
|
|
* handle_core_set_debug_channel() will act as if 'off'
|
|
* had been specified as part of the command
|
|
*/
|
|
res = handle_core_set_debug_channel(e, CLI_HANDLER + 1000, a);
|
|
|
|
return res;
|
|
}
|
|
|
|
static char *handle_showchan(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
struct ast_channel *c=NULL;
|
|
struct timeval now;
|
|
struct ast_str *out = ast_str_thread_get(&ast_str_thread_global_buf, 16);
|
|
char cdrtime[256];
|
|
char nf[256], wf[256], rf[256];
|
|
long elapsed_seconds=0;
|
|
int hour=0, min=0, sec=0;
|
|
#ifdef CHANNEL_TRACE
|
|
int trace_enabled;
|
|
#endif
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "core show channel";
|
|
e->usage =
|
|
"Usage: core show channel <channel>\n"
|
|
" Shows lots of information about the specified channel.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return ast_complete_channels(a->line, a->word, a->pos, a->n, 3);
|
|
}
|
|
|
|
if (a->argc != 4) {
|
|
return CLI_SHOWUSAGE;
|
|
}
|
|
|
|
now = ast_tvnow();
|
|
|
|
if (!(c = ast_channel_get_by_name(a->argv[3]))) {
|
|
ast_cli(a->fd, "%s is not a known channel\n", a->argv[3]);
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
ast_channel_lock(c);
|
|
|
|
if (c->cdr) {
|
|
elapsed_seconds = now.tv_sec - c->cdr->start.tv_sec;
|
|
hour = elapsed_seconds / 3600;
|
|
min = (elapsed_seconds % 3600) / 60;
|
|
sec = elapsed_seconds % 60;
|
|
snprintf(cdrtime, sizeof(cdrtime), "%dh%dm%ds", hour, min, sec);
|
|
} else {
|
|
strcpy(cdrtime, "N/A");
|
|
}
|
|
|
|
ast_cli(a->fd,
|
|
" -- General --\n"
|
|
" Name: %s\n"
|
|
" Type: %s\n"
|
|
" UniqueID: %s\n"
|
|
" LinkedID: %s\n"
|
|
" Caller ID: %s\n"
|
|
" Caller ID Name: %s\n"
|
|
" DNID Digits: %s\n"
|
|
" Language: %s\n"
|
|
" State: %s (%d)\n"
|
|
" Rings: %d\n"
|
|
" NativeFormats: %s\n"
|
|
" WriteFormat: %s\n"
|
|
" ReadFormat: %s\n"
|
|
" WriteTranscode: %s\n"
|
|
" ReadTranscode: %s\n"
|
|
"1st File Descriptor: %d\n"
|
|
" Frames in: %d%s\n"
|
|
" Frames out: %d%s\n"
|
|
" Time to Hangup: %ld\n"
|
|
" Elapsed Time: %s\n"
|
|
" Direct Bridge: %s\n"
|
|
"Indirect Bridge: %s\n"
|
|
" -- PBX --\n"
|
|
" Context: %s\n"
|
|
" Extension: %s\n"
|
|
" Priority: %d\n"
|
|
" Call Group: %llu\n"
|
|
" Pickup Group: %llu\n"
|
|
" Application: %s\n"
|
|
" Data: %s\n"
|
|
" Blocking in: %s\n",
|
|
c->name, c->tech->type, c->uniqueid, c->linkedid,
|
|
S_OR(c->cid.cid_num, "(N/A)"),
|
|
S_OR(c->cid.cid_name, "(N/A)"),
|
|
S_OR(c->cid.cid_dnid, "(N/A)"),
|
|
c->language,
|
|
ast_state2str(c->_state), c->_state, c->rings,
|
|
ast_getformatname_multiple(nf, sizeof(nf), c->nativeformats),
|
|
ast_getformatname_multiple(wf, sizeof(wf), c->writeformat),
|
|
ast_getformatname_multiple(rf, sizeof(rf), c->readformat),
|
|
c->writetrans ? "Yes" : "No",
|
|
c->readtrans ? "Yes" : "No",
|
|
c->fds[0],
|
|
c->fin & ~DEBUGCHAN_FLAG, (c->fin & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
|
|
c->fout & ~DEBUGCHAN_FLAG, (c->fout & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
|
|
(long)c->whentohangup.tv_sec,
|
|
cdrtime, c->_bridge ? c->_bridge->name : "<none>", ast_bridged_channel(c) ? ast_bridged_channel(c)->name : "<none>",
|
|
c->context, c->exten, c->priority, c->callgroup, c->pickupgroup, ( c->appl ? c->appl : "(N/A)" ),
|
|
( c-> data ? S_OR(c->data, "(Empty)") : "(None)"),
|
|
(ast_test_flag(c, AST_FLAG_BLOCKING) ? c->blockproc : "(Not Blocking)"));
|
|
|
|
if (pbx_builtin_serialize_variables(c, &out)) {
|
|
ast_cli(a->fd," Variables:\n%s\n", ast_str_buffer(out));
|
|
}
|
|
|
|
if (c->cdr && ast_cdr_serialize_variables(c->cdr, &out, '=', '\n', 1)) {
|
|
ast_cli(a->fd," CDR Variables:\n%s\n", ast_str_buffer(out));
|
|
}
|
|
|
|
#ifdef CHANNEL_TRACE
|
|
trace_enabled = ast_channel_trace_is_enabled(c);
|
|
ast_cli(a->fd, " Context Trace: %s\n", trace_enabled ? "Enabled" : "Disabled");
|
|
if (trace_enabled && ast_channel_trace_serialize(c, &out))
|
|
ast_cli(a->fd, " Trace:\n%s\n", ast_str_buffer(out));
|
|
#endif
|
|
|
|
ast_channel_unlock(c);
|
|
c = ast_channel_unref(c);
|
|
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
/*
|
|
* helper function to generate CLI matches from a fixed set of values.
|
|
* A NULL word is acceptable.
|
|
*/
|
|
char *ast_cli_complete(const char *word, const char * const choices[], int state)
|
|
{
|
|
int i, which = 0, len;
|
|
len = ast_strlen_zero(word) ? 0 : strlen(word);
|
|
|
|
for (i = 0; choices[i]; i++) {
|
|
if ((!len || !strncasecmp(word, choices[i], len)) && ++which > state)
|
|
return ast_strdup(choices[i]);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
char *ast_complete_channels(const char *line, const char *word, int pos, int state, int rpos)
|
|
{
|
|
struct ast_channel *c = NULL;
|
|
int which = 0;
|
|
char notfound = '\0';
|
|
char *ret = ¬found; /* so NULL can break the loop */
|
|
struct ast_channel_iterator *iter;
|
|
|
|
if (pos != rpos) {
|
|
return NULL;
|
|
}
|
|
|
|
if (!(iter = ast_channel_iterator_by_name_new(word, strlen(word)))) {
|
|
return NULL;
|
|
}
|
|
|
|
while (ret == ¬found && (c = ast_channel_iterator_next(iter))) {
|
|
if (++which > state) {
|
|
ast_channel_lock(c);
|
|
ret = ast_strdup(c->name);
|
|
ast_channel_unlock(c);
|
|
}
|
|
ast_channel_unref(c);
|
|
}
|
|
|
|
ast_channel_iterator_destroy(iter);
|
|
|
|
return ret == ¬found ? NULL : ret;
|
|
}
|
|
|
|
static char *group_show_channels(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
#define FORMAT_STRING "%-25s %-20s %-20s\n"
|
|
|
|
struct ast_group_info *gi = NULL;
|
|
int numchans = 0;
|
|
regex_t regexbuf;
|
|
int havepattern = 0;
|
|
|
|
switch (cmd) {
|
|
case CLI_INIT:
|
|
e->command = "group show channels";
|
|
e->usage =
|
|
"Usage: group show channels [pattern]\n"
|
|
" Lists all currently active channels with channel group(s) specified.\n"
|
|
" Optional regular expression pattern is matched to group names for each\n"
|
|
" channel.\n";
|
|
return NULL;
|
|
case CLI_GENERATE:
|
|
return NULL;
|
|
}
|
|
|
|
if (a->argc < 3 || a->argc > 4)
|
|
return CLI_SHOWUSAGE;
|
|
|
|
if (a->argc == 4) {
|
|
if (regcomp(®exbuf, a->argv[3], REG_EXTENDED | REG_NOSUB))
|
|
return CLI_SHOWUSAGE;
|
|
havepattern = 1;
|
|
}
|
|
|
|
ast_cli(a->fd, FORMAT_STRING, "Channel", "Group", "Category");
|
|
|
|
ast_app_group_list_rdlock();
|
|
|
|
gi = ast_app_group_list_head();
|
|
while (gi) {
|
|
if (!havepattern || !regexec(®exbuf, gi->group, 0, NULL, 0)) {
|
|
ast_cli(a->fd, FORMAT_STRING, gi->chan->name, gi->group, (ast_strlen_zero(gi->category) ? "(default)" : gi->category));
|
|
numchans++;
|
|
}
|
|
gi = AST_LIST_NEXT(gi, group_list);
|
|
}
|
|
|
|
ast_app_group_list_unlock();
|
|
|
|
if (havepattern)
|
|
regfree(®exbuf);
|
|
|
|
ast_cli(a->fd, "%d active channel%s\n", numchans, ESS(numchans));
|
|
return CLI_SUCCESS;
|
|
#undef FORMAT_STRING
|
|
}
|
|
|
|
static char *handle_help(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
|
|
|
|
static struct ast_cli_entry cli_cli[] = {
|
|
/* Deprecated, but preferred command is now consolidated (and already has a deprecated command for it). */
|
|
AST_CLI_DEFINE(handle_commandcomplete, "Command complete"),
|
|
AST_CLI_DEFINE(handle_commandnummatches, "Returns number of command matches"),
|
|
AST_CLI_DEFINE(handle_commandmatchesarray, "Returns command matches array"),
|
|
|
|
AST_CLI_DEFINE(handle_nodebugchan_deprecated, "Disable debugging on channel(s)"),
|
|
|
|
AST_CLI_DEFINE(handle_chanlist, "Display information on channels"),
|
|
|
|
AST_CLI_DEFINE(handle_showcalls, "Display information on calls"),
|
|
|
|
AST_CLI_DEFINE(handle_showchan, "Display information on a specific channel"),
|
|
|
|
AST_CLI_DEFINE(handle_core_set_debug_channel, "Enable/disable debugging on a channel"),
|
|
|
|
AST_CLI_DEFINE(handle_verbose, "Set level of debug/verbose chattiness"),
|
|
|
|
AST_CLI_DEFINE(group_show_channels, "Display active channels with group(s)"),
|
|
|
|
AST_CLI_DEFINE(handle_help, "Display help list, or specific help on a command"),
|
|
|
|
AST_CLI_DEFINE(handle_logger_mute, "Toggle logging output to a console"),
|
|
|
|
AST_CLI_DEFINE(handle_modlist, "List modules and info"),
|
|
|
|
AST_CLI_DEFINE(handle_load, "Load a module by name"),
|
|
|
|
AST_CLI_DEFINE(handle_reload, "Reload configuration"),
|
|
|
|
AST_CLI_DEFINE(handle_unload, "Unload a module by name"),
|
|
|
|
AST_CLI_DEFINE(handle_showuptime, "Show uptime information"),
|
|
|
|
AST_CLI_DEFINE(handle_softhangup, "Request a hangup on a given channel"),
|
|
|
|
AST_CLI_DEFINE(handle_cli_reload_permissions, "Reload CLI permissions config"),
|
|
|
|
AST_CLI_DEFINE(handle_cli_show_permissions, "Show CLI permissions"),
|
|
|
|
AST_CLI_DEFINE(handle_cli_check_permissions, "Try a permissions config for a user"),
|
|
};
|
|
|
|
/*!
|
|
* Some regexp characters in cli arguments are reserved and used as separators.
|
|
*/
|
|
static const char cli_rsvd[] = "[]{}|*%";
|
|
|
|
/*!
|
|
* initialize the _full_cmd string and related parameters,
|
|
* return 0 on success, -1 on error.
|
|
*/
|
|
static int set_full_cmd(struct ast_cli_entry *e)
|
|
{
|
|
int i;
|
|
char buf[80];
|
|
|
|
ast_join(buf, sizeof(buf), e->cmda);
|
|
e->_full_cmd = ast_strdup(buf);
|
|
if (!e->_full_cmd) {
|
|
ast_log(LOG_WARNING, "-- cannot allocate <%s>\n", buf);
|
|
return -1;
|
|
}
|
|
e->cmdlen = strcspn(e->_full_cmd, cli_rsvd);
|
|
for (i = 0; e->cmda[i]; i++)
|
|
;
|
|
e->args = i;
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief cleanup (free) cli_perms linkedlist. */
|
|
static void destroy_user_perms(void)
|
|
{
|
|
struct cli_perm *perm;
|
|
struct usergroup_cli_perm *user_perm;
|
|
|
|
AST_RWLIST_WRLOCK(&cli_perms);
|
|
while ((user_perm = AST_LIST_REMOVE_HEAD(&cli_perms, list))) {
|
|
while ((perm = AST_LIST_REMOVE_HEAD(user_perm->perms, list))) {
|
|
ast_free(perm->command);
|
|
ast_free(perm);
|
|
}
|
|
ast_free(user_perm);
|
|
}
|
|
AST_RWLIST_UNLOCK(&cli_perms);
|
|
}
|
|
|
|
int ast_cli_perms_init(int reload)
|
|
{
|
|
struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
|
|
struct ast_config *cfg;
|
|
char *cat = NULL;
|
|
struct ast_variable *v;
|
|
struct usergroup_cli_perm *user_group, *cp_entry;
|
|
struct cli_perm *perm = NULL;
|
|
struct passwd *pw;
|
|
struct group *gr;
|
|
|
|
if (ast_mutex_trylock(&permsconfiglock)) {
|
|
ast_log(LOG_NOTICE, "You must wait until last 'cli reload permissions' command finish\n");
|
|
return 1;
|
|
}
|
|
|
|
cfg = ast_config_load2(perms_config, "" /* core, can't reload */, config_flags);
|
|
if (!cfg) {
|
|
ast_mutex_unlock(&permsconfiglock);
|
|
return 1;
|
|
} else if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
|
|
ast_mutex_unlock(&permsconfiglock);
|
|
return 0;
|
|
}
|
|
|
|
/* free current structures. */
|
|
destroy_user_perms();
|
|
|
|
while ((cat = ast_category_browse(cfg, cat))) {
|
|
if (!strcasecmp(cat, "general")) {
|
|
/* General options */
|
|
for (v = ast_variable_browse(cfg, cat); v; v = v->next) {
|
|
if (!strcasecmp(v->name, "default_perm")) {
|
|
cli_default_perm = (!strcasecmp(v->value, "permit")) ? 1: 0;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
/* users or groups */
|
|
gr = NULL, pw = NULL;
|
|
if (cat[0] == '@') {
|
|
/* This is a group */
|
|
gr = getgrnam(&cat[1]);
|
|
if (!gr) {
|
|
ast_log (LOG_WARNING, "Unknown group '%s'\n", &cat[1]);
|
|
continue;
|
|
}
|
|
} else {
|
|
/* This is a user */
|
|
pw = getpwnam(cat);
|
|
if (!pw) {
|
|
ast_log (LOG_WARNING, "Unknown user '%s'\n", cat);
|
|
continue;
|
|
}
|
|
}
|
|
user_group = NULL;
|
|
/* Check for duplicates */
|
|
AST_RWLIST_WRLOCK(&cli_perms);
|
|
AST_LIST_TRAVERSE(&cli_perms, cp_entry, list) {
|
|
if ((pw && cp_entry->uid == pw->pw_uid) || (gr && cp_entry->gid == gr->gr_gid)) {
|
|
/* if it is duplicated, just added this new settings, to
|
|
the current list. */
|
|
user_group = cp_entry;
|
|
break;
|
|
}
|
|
}
|
|
AST_RWLIST_UNLOCK(&cli_perms);
|
|
|
|
if (!user_group) {
|
|
/* alloc space for the new user config. */
|
|
user_group = ast_calloc(1, sizeof(*user_group));
|
|
if (!user_group) {
|
|
continue;
|
|
}
|
|
user_group->uid = (pw ? pw->pw_uid : -1);
|
|
user_group->gid = (gr ? gr->gr_gid : -1);
|
|
user_group->perms = ast_calloc(1, sizeof(*user_group->perms));
|
|
if (!user_group->perms) {
|
|
ast_free(user_group);
|
|
continue;
|
|
}
|
|
}
|
|
for (v = ast_variable_browse(cfg, cat); v; v = v->next) {
|
|
if (ast_strlen_zero(v->value)) {
|
|
/* we need to check this condition cause it could break security. */
|
|
ast_log(LOG_WARNING, "Empty permit/deny option in user '%s'\n", cat);
|
|
continue;
|
|
}
|
|
if (!strcasecmp(v->name, "permit")) {
|
|
perm = ast_calloc(1, sizeof(*perm));
|
|
if (perm) {
|
|
perm->permit = 1;
|
|
perm->command = ast_strdup(v->value);
|
|
}
|
|
} else if (!strcasecmp(v->name, "deny")) {
|
|
perm = ast_calloc(1, sizeof(*perm));
|
|
if (perm) {
|
|
perm->permit = 0;
|
|
perm->command = ast_strdup(v->value);
|
|
}
|
|
} else {
|
|
/* up to now, only 'permit' and 'deny' are possible values. */
|
|
ast_log(LOG_WARNING, "Unknown '%s' option\n", v->name);
|
|
continue;
|
|
}
|
|
if (perm) {
|
|
/* Added the permission to the user's list. */
|
|
AST_LIST_INSERT_TAIL(user_group->perms, perm, list);
|
|
perm = NULL;
|
|
}
|
|
}
|
|
AST_RWLIST_WRLOCK(&cli_perms);
|
|
AST_RWLIST_INSERT_TAIL(&cli_perms, user_group, list);
|
|
AST_RWLIST_UNLOCK(&cli_perms);
|
|
}
|
|
|
|
ast_config_destroy(cfg);
|
|
ast_mutex_unlock(&permsconfiglock);
|
|
return 0;
|
|
}
|
|
|
|
/*! \brief initialize the _full_cmd string in * each of the builtins. */
|
|
void ast_builtins_init(void)
|
|
{
|
|
ast_cli_register_multiple(cli_cli, ARRAY_LEN(cli_cli));
|
|
}
|
|
|
|
/*!
|
|
* match a word in the CLI entry.
|
|
* returns -1 on mismatch, 0 on match of an optional word,
|
|
* 1 on match of a full word.
|
|
*
|
|
* The pattern can be
|
|
* any_word match for equal
|
|
* [foo|bar|baz] optionally, one of these words
|
|
* {foo|bar|baz} exactly, one of these words
|
|
* % any word
|
|
*/
|
|
static int word_match(const char *cmd, const char *cli_word)
|
|
{
|
|
int l;
|
|
char *pos;
|
|
|
|
if (ast_strlen_zero(cmd) || ast_strlen_zero(cli_word))
|
|
return -1;
|
|
if (!strchr(cli_rsvd, cli_word[0])) /* normal match */
|
|
return (strcasecmp(cmd, cli_word) == 0) ? 1 : -1;
|
|
/* regexp match, takes [foo|bar] or {foo|bar} */
|
|
l = strlen(cmd);
|
|
/* wildcard match - will extend in the future */
|
|
if (l > 0 && cli_word[0] == '%') {
|
|
return 1; /* wildcard */
|
|
}
|
|
pos = strcasestr(cli_word, cmd);
|
|
if (pos == NULL) /* not found, say ok if optional */
|
|
return cli_word[0] == '[' ? 0 : -1;
|
|
if (pos == cli_word) /* no valid match at the beginning */
|
|
return -1;
|
|
if (strchr(cli_rsvd, pos[-1]) && strchr(cli_rsvd, pos[l]))
|
|
return 1; /* valid match */
|
|
return -1; /* not found */
|
|
}
|
|
|
|
/*! \brief if word is a valid prefix for token, returns the pos-th
|
|
* match as a malloced string, or NULL otherwise.
|
|
* Always tell in *actual how many matches we got.
|
|
*/
|
|
static char *is_prefix(const char *word, const char *token,
|
|
int pos, int *actual)
|
|
{
|
|
int lw;
|
|
char *s, *t1;
|
|
|
|
*actual = 0;
|
|
if (ast_strlen_zero(token))
|
|
return NULL;
|
|
if (ast_strlen_zero(word))
|
|
word = ""; /* dummy */
|
|
lw = strlen(word);
|
|
if (strcspn(word, cli_rsvd) != lw)
|
|
return NULL; /* no match if word has reserved chars */
|
|
if (strchr(cli_rsvd, token[0]) == NULL) { /* regular match */
|
|
if (strncasecmp(token, word, lw)) /* no match */
|
|
return NULL;
|
|
*actual = 1;
|
|
return (pos != 0) ? NULL : ast_strdup(token);
|
|
}
|
|
/* now handle regexp match */
|
|
|
|
/* Wildcard always matches, so we never do is_prefix on them */
|
|
|
|
t1 = ast_strdupa(token + 1); /* copy, skipping first char */
|
|
while (pos >= 0 && (s = strsep(&t1, cli_rsvd)) && *s) {
|
|
if (*s == '%') /* wildcard */
|
|
continue;
|
|
if (strncasecmp(s, word, lw)) /* no match */
|
|
continue;
|
|
(*actual)++;
|
|
if (pos-- == 0)
|
|
return ast_strdup(s);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief locate a cli command in the 'helpers' list (which must be locked).
|
|
* The search compares word by word taking care of regexps in e->cmda
|
|
* This function will return NULL when nothing is matched, or the ast_cli_entry that matched.
|
|
* \param cmds
|
|
* \param match_type has 3 possible values:
|
|
* 0 returns if the search key is equal or longer than the entry.
|
|
* note that trailing optional arguments are skipped.
|
|
* -1 true if the mismatch is on the last word XXX not true!
|
|
* 1 true only on complete, exact match.
|
|
*
|
|
*/
|
|
static struct ast_cli_entry *find_cli(const char * const cmds[], int match_type)
|
|
{
|
|
int matchlen = -1; /* length of longest match so far */
|
|
struct ast_cli_entry *cand = NULL, *e=NULL;
|
|
|
|
while ( (e = cli_next(e)) ) {
|
|
/* word-by word regexp comparison */
|
|
const char * const *src = cmds;
|
|
const char * const *dst = e->cmda;
|
|
int n = 0;
|
|
for (;; dst++, src += n) {
|
|
n = word_match(*src, *dst);
|
|
if (n < 0)
|
|
break;
|
|
}
|
|
if (ast_strlen_zero(*dst) || ((*dst)[0] == '[' && ast_strlen_zero(dst[1]))) {
|
|
/* no more words in 'e' */
|
|
if (ast_strlen_zero(*src)) /* exact match, cannot do better */
|
|
break;
|
|
/* Here, cmds has more words than the entry 'e' */
|
|
if (match_type != 0) /* but we look for almost exact match... */
|
|
continue; /* so we skip this one. */
|
|
/* otherwise we like it (case 0) */
|
|
} else { /* still words in 'e' */
|
|
if (ast_strlen_zero(*src))
|
|
continue; /* cmds is shorter than 'e', not good */
|
|
/* Here we have leftover words in cmds and 'e',
|
|
* but there is a mismatch. We only accept this one if match_type == -1
|
|
* and this is the last word for both.
|
|
*/
|
|
if (match_type != -1 || !ast_strlen_zero(src[1]) ||
|
|
!ast_strlen_zero(dst[1])) /* not the one we look for */
|
|
continue;
|
|
/* good, we are in case match_type == -1 and mismatch on last word */
|
|
}
|
|
if (src - cmds > matchlen) { /* remember the candidate */
|
|
matchlen = src - cmds;
|
|
cand = e;
|
|
}
|
|
}
|
|
|
|
return e ? e : cand;
|
|
}
|
|
|
|
static char *find_best(const char *argv[])
|
|
{
|
|
static char cmdline[80];
|
|
int x;
|
|
/* See how close we get, then print the candidate */
|
|
const char *myargv[AST_MAX_CMD_LEN] = { NULL, };
|
|
|
|
AST_RWLIST_RDLOCK(&helpers);
|
|
for (x = 0; argv[x]; x++) {
|
|
myargv[x] = argv[x];
|
|
if (!find_cli(myargv, -1))
|
|
break;
|
|
}
|
|
AST_RWLIST_UNLOCK(&helpers);
|
|
ast_join(cmdline, sizeof(cmdline), myargv);
|
|
return cmdline;
|
|
}
|
|
|
|
static int __ast_cli_unregister(struct ast_cli_entry *e, struct ast_cli_entry *ed)
|
|
{
|
|
if (e->inuse) {
|
|
ast_log(LOG_WARNING, "Can't remove command that is in use\n");
|
|
} else {
|
|
AST_RWLIST_WRLOCK(&helpers);
|
|
AST_RWLIST_REMOVE(&helpers, e, list);
|
|
AST_RWLIST_UNLOCK(&helpers);
|
|
ast_free(e->_full_cmd);
|
|
e->_full_cmd = NULL;
|
|
if (e->handler) {
|
|
/* this is a new-style entry. Reset fields and free memory. */
|
|
char *cmda = (char *) e->cmda;
|
|
memset(cmda, '\0', sizeof(e->cmda));
|
|
ast_free(e->command);
|
|
e->command = NULL;
|
|
e->usage = NULL;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int __ast_cli_register(struct ast_cli_entry *e, struct ast_cli_entry *ed)
|
|
{
|
|
struct ast_cli_entry *cur;
|
|
int i, lf, ret = -1;
|
|
|
|
struct ast_cli_args a; /* fake argument */
|
|
char **dst = (char **)e->cmda; /* need to cast as the entry is readonly */
|
|
char *s;
|
|
|
|
memset(&a, '\0', sizeof(a));
|
|
e->handler(e, CLI_INIT, &a);
|
|
/* XXX check that usage and command are filled up */
|
|
s = ast_skip_blanks(e->command);
|
|
s = e->command = ast_strdup(s);
|
|
for (i=0; !ast_strlen_zero(s) && i < AST_MAX_CMD_LEN-1; i++) {
|
|
*dst++ = s; /* store string */
|
|
s = ast_skip_nonblanks(s);
|
|
if (*s == '\0') /* we are done */
|
|
break;
|
|
*s++ = '\0';
|
|
s = ast_skip_blanks(s);
|
|
}
|
|
*dst++ = NULL;
|
|
|
|
AST_RWLIST_WRLOCK(&helpers);
|
|
|
|
if (find_cli(e->cmda, 1)) {
|
|
ast_log(LOG_WARNING, "Command '%s' already registered (or something close enough)\n", S_OR(e->_full_cmd, e->command));
|
|
goto done;
|
|
}
|
|
if (set_full_cmd(e))
|
|
goto done;
|
|
|
|
lf = e->cmdlen;
|
|
AST_RWLIST_TRAVERSE_SAFE_BEGIN(&helpers, cur, list) {
|
|
int len = cur->cmdlen;
|
|
if (lf < len)
|
|
len = lf;
|
|
if (strncasecmp(e->_full_cmd, cur->_full_cmd, len) < 0) {
|
|
AST_RWLIST_INSERT_BEFORE_CURRENT(e, list);
|
|
break;
|
|
}
|
|
}
|
|
AST_RWLIST_TRAVERSE_SAFE_END;
|
|
|
|
if (!cur)
|
|
AST_RWLIST_INSERT_TAIL(&helpers, e, list);
|
|
ret = 0; /* success */
|
|
|
|
done:
|
|
AST_RWLIST_UNLOCK(&helpers);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* wrapper function, so we can unregister deprecated commands recursively */
|
|
int ast_cli_unregister(struct ast_cli_entry *e)
|
|
{
|
|
return __ast_cli_unregister(e, NULL);
|
|
}
|
|
|
|
/* wrapper function, so we can register deprecated commands recursively */
|
|
int ast_cli_register(struct ast_cli_entry *e)
|
|
{
|
|
return __ast_cli_register(e, NULL);
|
|
}
|
|
|
|
/*
|
|
* register/unregister an array of entries.
|
|
*/
|
|
int ast_cli_register_multiple(struct ast_cli_entry *e, int len)
|
|
{
|
|
int i, res = 0;
|
|
|
|
for (i = 0; i < len; i++)
|
|
res |= ast_cli_register(e + i);
|
|
|
|
return res;
|
|
}
|
|
|
|
int ast_cli_unregister_multiple(struct ast_cli_entry *e, int len)
|
|
{
|
|
int i, res = 0;
|
|
|
|
for (i = 0; i < len; i++)
|
|
res |= ast_cli_unregister(e + i);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
/*! \brief helper for final part of handle_help
|
|
* if locked = 1, assume the list is already locked
|
|
*/
|
|
static char *help1(int fd, const char * const match[], int locked)
|
|
{
|
|
char matchstr[80] = "";
|
|
struct ast_cli_entry *e = NULL;
|
|
int len = 0;
|
|
int found = 0;
|
|
|
|
if (match) {
|
|
ast_join(matchstr, sizeof(matchstr), match);
|
|
len = strlen(matchstr);
|
|
}
|
|
if (!locked)
|
|
AST_RWLIST_RDLOCK(&helpers);
|
|
while ( (e = cli_next(e)) ) {
|
|
/* Hide commands that start with '_' */
|
|
if (e->_full_cmd[0] == '_')
|
|
continue;
|
|
if (match && strncasecmp(matchstr, e->_full_cmd, len))
|
|
continue;
|
|
ast_cli(fd, "%30.30s %s\n", e->_full_cmd, S_OR(e->summary, "<no description available>"));
|
|
found++;
|
|
}
|
|
if (!locked)
|
|
AST_RWLIST_UNLOCK(&helpers);
|
|
if (!found && matchstr[0])
|
|
ast_cli(fd, "No such command '%s'.\n", matchstr);
|
|
return CLI_SUCCESS;
|
|
}
|
|
|
|
static char *handle_help(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
{
|
|
char fullcmd[80];
|
|
struct ast_cli_entry *my_e;
|
|
char *res = CLI_SUCCESS;
|
|
|
|
if (cmd == CLI_INIT) {
|
|
e->command = "core show help";
|
|
e->usage =
|
|
"Usage: core show help [topic]\n"
|
|
" When called with a topic as an argument, displays usage\n"
|
|
" information on the given command. If called without a\n"
|
|
" topic, it provides a list of commands.\n";
|
|
return NULL;
|
|
|
|
} else if (cmd == CLI_GENERATE) {
|
|
/* skip first 14 or 15 chars, "core show help " */
|
|
int l = strlen(a->line);
|
|
|
|
if (l > 15) {
|
|
l = 15;
|
|
}
|
|
/* XXX watch out, should stop to the non-generator parts */
|
|
return __ast_cli_generator(a->line + l, a->word, a->n, 0);
|
|
}
|
|
if (a->argc == e->args) {
|
|
return help1(a->fd, NULL, 0);
|
|
}
|
|
|
|
AST_RWLIST_RDLOCK(&helpers);
|
|
my_e = find_cli(a->argv + 3, 1); /* try exact match first */
|
|
if (!my_e) {
|
|
res = help1(a->fd, a->argv + 3, 1 /* locked */);
|
|
AST_RWLIST_UNLOCK(&helpers);
|
|
return res;
|
|
}
|
|
if (my_e->usage)
|
|
ast_cli(a->fd, "%s", my_e->usage);
|
|
else {
|
|
ast_join(fullcmd, sizeof(fullcmd), a->argv + 3);
|
|
ast_cli(a->fd, "No help text available for '%s'.\n", fullcmd);
|
|
}
|
|
AST_RWLIST_UNLOCK(&helpers);
|
|
return res;
|
|
}
|
|
|
|
static char *parse_args(const char *s, int *argc, const char *argv[], int max, int *trailingwhitespace)
|
|
{
|
|
char *duplicate, *cur;
|
|
int x = 0;
|
|
int quoted = 0;
|
|
int escaped = 0;
|
|
int whitespace = 1;
|
|
int dummy = 0;
|
|
|
|
if (trailingwhitespace == NULL)
|
|
trailingwhitespace = &dummy;
|
|
*trailingwhitespace = 0;
|
|
if (s == NULL) /* invalid, though! */
|
|
return NULL;
|
|
/* make a copy to store the parsed string */
|
|
if (!(duplicate = ast_strdup(s)))
|
|
return NULL;
|
|
|
|
cur = duplicate;
|
|
/* scan the original string copying into cur when needed */
|
|
for (; *s ; s++) {
|
|
if (x >= max - 1) {
|
|
ast_log(LOG_WARNING, "Too many arguments, truncating at %s\n", s);
|
|
break;
|
|
}
|
|
if (*s == '"' && !escaped) {
|
|
quoted = !quoted;
|
|
if (quoted && whitespace) {
|
|
/* start a quoted string from previous whitespace: new argument */
|
|
argv[x++] = cur;
|
|
whitespace = 0;
|
|
}
|
|
} else if ((*s == ' ' || *s == '\t') && !(quoted || escaped)) {
|
|
/* If we are not already in whitespace, and not in a quoted string or
|
|
processing an escape sequence, and just entered whitespace, then
|
|
finalize the previous argument and remember that we are in whitespace
|
|
*/
|
|
if (!whitespace) {
|
|
*cur++ = '\0';
|
|
whitespace = 1;
|
|
}
|
|
} else if (*s == '\\' && !escaped) {
|
|
escaped = 1;
|
|
} else {
|
|
if (whitespace) {
|
|
/* we leave whitespace, and are not quoted. So it's a new argument */
|
|
argv[x++] = cur;
|
|
whitespace = 0;
|
|
}
|
|
*cur++ = *s;
|
|
escaped = 0;
|
|
}
|
|
}
|
|
/* Null terminate */
|
|
*cur++ = '\0';
|
|
/* XXX put a NULL in the last argument, because some functions that take
|
|
* the array may want a null-terminated array.
|
|
* argc still reflects the number of non-NULL entries.
|
|
*/
|
|
argv[x] = NULL;
|
|
*argc = x;
|
|
*trailingwhitespace = whitespace;
|
|
return duplicate;
|
|
}
|
|
|
|
/*! \brief Return the number of unique matches for the generator */
|
|
int ast_cli_generatornummatches(const char *text, const char *word)
|
|
{
|
|
int matches = 0, i = 0;
|
|
char *buf = NULL, *oldbuf = NULL;
|
|
|
|
while ((buf = ast_cli_generator(text, word, i++))) {
|
|
if (!oldbuf || strcmp(buf,oldbuf))
|
|
matches++;
|
|
if (oldbuf)
|
|
ast_free(oldbuf);
|
|
oldbuf = buf;
|
|
}
|
|
if (oldbuf)
|
|
ast_free(oldbuf);
|
|
return matches;
|
|
}
|
|
|
|
char **ast_cli_completion_matches(const char *text, const char *word)
|
|
{
|
|
char **match_list = NULL, *retstr, *prevstr;
|
|
size_t match_list_len, max_equal, which, i;
|
|
int matches = 0;
|
|
|
|
/* leave entry 0 free for the longest common substring */
|
|
match_list_len = 1;
|
|
while ((retstr = ast_cli_generator(text, word, matches)) != NULL) {
|
|
if (matches + 1 >= match_list_len) {
|
|
match_list_len <<= 1;
|
|
if (!(match_list = ast_realloc(match_list, match_list_len * sizeof(*match_list))))
|
|
return NULL;
|
|
}
|
|
match_list[++matches] = retstr;
|
|
}
|
|
|
|
if (!match_list)
|
|
return match_list; /* NULL */
|
|
|
|
/* Find the longest substring that is common to all results
|
|
* (it is a candidate for completion), and store a copy in entry 0.
|
|
*/
|
|
prevstr = match_list[1];
|
|
max_equal = strlen(prevstr);
|
|
for (which = 2; which <= matches; which++) {
|
|
for (i = 0; i < max_equal && toupper(prevstr[i]) == toupper(match_list[which][i]); i++)
|
|
continue;
|
|
max_equal = i;
|
|
}
|
|
|
|
if (!(retstr = ast_malloc(max_equal + 1)))
|
|
return NULL;
|
|
|
|
ast_copy_string(retstr, match_list[1], max_equal + 1);
|
|
match_list[0] = retstr;
|
|
|
|
/* ensure that the array is NULL terminated */
|
|
if (matches + 1 >= match_list_len) {
|
|
if (!(match_list = ast_realloc(match_list, (match_list_len + 1) * sizeof(*match_list))))
|
|
return NULL;
|
|
}
|
|
match_list[matches + 1] = NULL;
|
|
|
|
return match_list;
|
|
}
|
|
|
|
/*! \brief returns true if there are more words to match */
|
|
static int more_words (const char * const *dst)
|
|
{
|
|
int i;
|
|
for (i = 0; dst[i]; i++) {
|
|
if (dst[i][0] != '[')
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* generate the entry at position 'state'
|
|
*/
|
|
static char *__ast_cli_generator(const char *text, const char *word, int state, int lock)
|
|
{
|
|
const char *argv[AST_MAX_ARGS];
|
|
struct ast_cli_entry *e = NULL;
|
|
int x = 0, argindex, matchlen;
|
|
int matchnum=0;
|
|
char *ret = NULL;
|
|
char matchstr[80] = "";
|
|
int tws = 0;
|
|
/* Split the argument into an array of words */
|
|
char *duplicate = parse_args(text, &x, argv, ARRAY_LEN(argv), &tws);
|
|
|
|
if (!duplicate) /* malloc error */
|
|
return NULL;
|
|
|
|
/* Compute the index of the last argument (could be an empty string) */
|
|
argindex = (!ast_strlen_zero(word) && x>0) ? x-1 : x;
|
|
|
|
/* rebuild the command, ignore terminating white space and flatten space */
|
|
ast_join(matchstr, sizeof(matchstr)-1, argv);
|
|
matchlen = strlen(matchstr);
|
|
if (tws) {
|
|
strcat(matchstr, " "); /* XXX */
|
|
if (matchlen)
|
|
matchlen++;
|
|
}
|
|
if (lock)
|
|
AST_RWLIST_RDLOCK(&helpers);
|
|
while ( (e = cli_next(e)) ) {
|
|
/* XXX repeated code */
|
|
int src = 0, dst = 0, n = 0;
|
|
|
|
if (e->command[0] == '_')
|
|
continue;
|
|
|
|
/*
|
|
* Try to match words, up to and excluding the last word, which
|
|
* is either a blank or something that we want to extend.
|
|
*/
|
|
for (;src < argindex; dst++, src += n) {
|
|
n = word_match(argv[src], e->cmda[dst]);
|
|
if (n < 0)
|
|
break;
|
|
}
|
|
|
|
if (src != argindex && more_words(e->cmda + dst)) /* not a match */
|
|
continue;
|
|
ret = is_prefix(argv[src], e->cmda[dst], state - matchnum, &n);
|
|
matchnum += n; /* this many matches here */
|
|
if (ret) {
|
|
/*
|
|
* argv[src] is a valid prefix of the next word in this
|
|
* command. If this is also the correct entry, return it.
|
|
*/
|
|
if (matchnum > state)
|
|
break;
|
|
ast_free(ret);
|
|
ret = NULL;
|
|
} else if (ast_strlen_zero(e->cmda[dst])) {
|
|
/*
|
|
* This entry is a prefix of the command string entered
|
|
* (only one entry in the list should have this property).
|
|
* Run the generator if one is available. In any case we are done.
|
|
*/
|
|
if (e->handler) { /* new style command */
|
|
struct ast_cli_args a = {
|
|
.line = matchstr, .word = word,
|
|
.pos = argindex,
|
|
.n = state - matchnum,
|
|
.argv = argv,
|
|
.argc = x};
|
|
ret = e->handler(e, CLI_GENERATE, &a);
|
|
}
|
|
if (ret)
|
|
break;
|
|
}
|
|
}
|
|
if (lock)
|
|
AST_RWLIST_UNLOCK(&helpers);
|
|
ast_free(duplicate);
|
|
return ret;
|
|
}
|
|
|
|
char *ast_cli_generator(const char *text, const char *word, int state)
|
|
{
|
|
return __ast_cli_generator(text, word, state, 1);
|
|
}
|
|
|
|
int ast_cli_command_full(int uid, int gid, int fd, const char *s)
|
|
{
|
|
const char *args[AST_MAX_ARGS + 1];
|
|
struct ast_cli_entry *e;
|
|
int x;
|
|
char *duplicate = parse_args(s, &x, args + 1, AST_MAX_ARGS, NULL);
|
|
char tmp[AST_MAX_ARGS + 1];
|
|
char *retval = NULL;
|
|
struct ast_cli_args a = {
|
|
.fd = fd, .argc = x, .argv = args+1 };
|
|
|
|
if (duplicate == NULL)
|
|
return -1;
|
|
|
|
if (x < 1) /* We need at least one entry, otherwise ignore */
|
|
goto done;
|
|
|
|
AST_RWLIST_RDLOCK(&helpers);
|
|
e = find_cli(args + 1, 0);
|
|
if (e)
|
|
ast_atomic_fetchadd_int(&e->inuse, 1);
|
|
AST_RWLIST_UNLOCK(&helpers);
|
|
if (e == NULL) {
|
|
ast_cli(fd, "No such command '%s' (type 'core show help %s' for other possible commands)\n", s, find_best(args + 1));
|
|
goto done;
|
|
}
|
|
|
|
ast_join(tmp, sizeof(tmp), args + 1);
|
|
/* Check if the user has rights to run this command. */
|
|
if (!cli_has_permissions(uid, gid, tmp)) {
|
|
ast_cli(fd, "You don't have permissions to run '%s' command\n", tmp);
|
|
ast_free(duplicate);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Within the handler, argv[-1] contains a pointer to the ast_cli_entry.
|
|
* Remember that the array returned by parse_args is NULL-terminated.
|
|
*/
|
|
args[0] = (char *)e;
|
|
|
|
retval = e->handler(e, CLI_HANDLER, &a);
|
|
|
|
if (retval == CLI_SHOWUSAGE) {
|
|
ast_cli(fd, "%s", S_OR(e->usage, "Invalid usage, but no usage information available.\n"));
|
|
} else {
|
|
if (retval == CLI_FAILURE)
|
|
ast_cli(fd, "Command '%s' failed.\n", s);
|
|
}
|
|
ast_atomic_fetchadd_int(&e->inuse, -1);
|
|
done:
|
|
ast_free(duplicate);
|
|
return 0;
|
|
}
|
|
|
|
int ast_cli_command_multiple_full(int uid, int gid, int fd, size_t size, const char *s)
|
|
{
|
|
char cmd[512];
|
|
int x, y = 0, count = 0;
|
|
|
|
for (x = 0; x < size; x++) {
|
|
cmd[y] = s[x];
|
|
y++;
|
|
if (s[x] == '\0') {
|
|
ast_cli_command_full(uid, gid, fd, cmd);
|
|
y = 0;
|
|
count++;
|
|
}
|
|
}
|
|
return count;
|
|
}
|