git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4170 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1926 lines
50 KiB
C
Executable file
1926 lines
50 KiB
C
Executable file
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Top level source file for asterisk
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*
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* Copyright (C) 1999-2004, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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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
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <asterisk/logger.h>
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#include <asterisk/options.h>
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#include <asterisk/cli.h>
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#include <asterisk/channel.h>
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#include <asterisk/ulaw.h>
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#include <asterisk/alaw.h>
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#include <asterisk/callerid.h>
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#include <asterisk/module.h>
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#include <asterisk/image.h>
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#include <asterisk/tdd.h>
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#include <asterisk/term.h>
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#include <asterisk/manager.h>
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#include <asterisk/pbx.h>
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#include <asterisk/enum.h>
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#include <asterisk/rtp.h>
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#include <asterisk/app.h>
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#include <asterisk/lock.h>
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#include <asterisk/utils.h>
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#include <asterisk/file.h>
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#include <sys/resource.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <signal.h>
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#include <sched.h>
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#include <asterisk/io.h>
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#include <asterisk/lock.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <sys/wait.h>
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#include <string.h>
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#include <errno.h>
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#include <ctype.h>
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#include "editline/histedit.h"
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#include "asterisk.h"
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#include <asterisk/config.h>
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#include <asterisk/config_pvt.h>
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#include <sys/resource.h>
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#include <grp.h>
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#include <pwd.h>
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#if defined(__FreeBSD__) || defined( __NetBSD__ )
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#include <netdb.h>
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#endif
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#define AST_MAX_CONNECTS 128
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#define NUM_MSGS 64
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#define WELCOME_MESSAGE ast_verbose( "Asterisk " ASTERISK_VERSION ", Copyright (C) 1999-2004 Digium.\n"); \
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ast_verbose( "Written by Mark Spencer <markster@digium.com>\n"); \
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ast_verbose( "=========================================================================\n")
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int option_verbose=0;
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int option_debug=0;
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int option_nofork=0;
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int option_quiet=0;
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int option_console=0;
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int option_highpriority=0;
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int option_remote=0;
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int option_exec=0;
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int option_initcrypto=0;
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int option_nocolor;
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int option_dumpcore = 0;
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int option_cache_record_files = 0;
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int option_overrideconfig = 0;
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int option_reconnect = 0;
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int fully_booted = 0;
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char record_cache_dir[AST_CACHE_DIR_LEN] = AST_TMP_DIR;
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static int ast_socket = -1; /* UNIX Socket for allowing remote control */
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static int ast_consock = -1; /* UNIX Socket for controlling another asterisk */
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int ast_mainpid;
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struct console {
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int fd; /* File descriptor */
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int p[2]; /* Pipe */
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pthread_t t; /* Thread of handler */
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};
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static struct ast_atexit {
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void (*func)(void);
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struct ast_atexit *next;
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} *atexits = NULL;
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AST_MUTEX_DEFINE_STATIC(atexitslock);
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time_t ast_startuptime;
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time_t ast_lastreloadtime;
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static History *el_hist = NULL;
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static EditLine *el = NULL;
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static char *remotehostname;
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struct console consoles[AST_MAX_CONNECTS];
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char defaultlanguage[MAX_LANGUAGE] = DEFAULT_LANGUAGE;
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static int ast_el_add_history(char *);
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static int ast_el_read_history(char *);
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static int ast_el_write_history(char *);
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char ast_config_AST_CONFIG_DIR[AST_CONFIG_MAX_PATH];
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char ast_config_AST_CONFIG_FILE[AST_CONFIG_MAX_PATH];
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char ast_config_AST_MODULE_DIR[AST_CONFIG_MAX_PATH];
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char ast_config_AST_SPOOL_DIR[AST_CONFIG_MAX_PATH];
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char ast_config_AST_VAR_DIR[AST_CONFIG_MAX_PATH];
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char ast_config_AST_LOG_DIR[AST_CONFIG_MAX_PATH];
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char ast_config_AST_AGI_DIR[AST_CONFIG_MAX_PATH];
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char ast_config_AST_DB[AST_CONFIG_MAX_PATH];
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char ast_config_AST_KEY_DIR[AST_CONFIG_MAX_PATH];
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char ast_config_AST_PID[AST_CONFIG_MAX_PATH];
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char ast_config_AST_SOCKET[AST_CONFIG_MAX_PATH];
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char ast_config_AST_RUN_DIR[AST_CONFIG_MAX_PATH];
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static char *_argv[256];
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static int shuttingdown = 0;
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static int restartnow = 0;
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static pthread_t consolethread = AST_PTHREADT_NULL;
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int ast_register_atexit(void (*func)(void))
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{
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int res = -1;
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struct ast_atexit *ae;
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ast_unregister_atexit(func);
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ae = malloc(sizeof(struct ast_atexit));
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ast_mutex_lock(&atexitslock);
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if (ae) {
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memset(ae, 0, sizeof(struct ast_atexit));
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ae->next = atexits;
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ae->func = func;
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atexits = ae;
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res = 0;
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}
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ast_mutex_unlock(&atexitslock);
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return res;
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}
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void ast_unregister_atexit(void (*func)(void))
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{
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struct ast_atexit *ae, *prev = NULL;
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ast_mutex_lock(&atexitslock);
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ae = atexits;
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while(ae) {
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if (ae->func == func) {
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if (prev)
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prev->next = ae->next;
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else
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atexits = ae->next;
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break;
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}
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prev = ae;
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ae = ae->next;
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}
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ast_mutex_unlock(&atexitslock);
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}
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static int fdprint(int fd, const char *s)
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{
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return write(fd, s, strlen(s) + 1);
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}
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/* NULL handler so we can collect the child exit status */
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static void null_sig_handler(int signal)
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{
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}
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int ast_safe_system(const char *s)
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{
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/* XXX This function needs some optimization work XXX */
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pid_t pid;
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int x;
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int res;
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struct rusage rusage;
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int status;
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void (*prev_handler) = signal(SIGCHLD, null_sig_handler);
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pid = fork();
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if (pid == 0) {
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/* Close file descriptors and launch system command */
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for (x=STDERR_FILENO + 1; x<4096;x++) {
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close(x);
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}
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res = execl("/bin/sh", "/bin/sh", "-c", s, NULL);
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exit(1);
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} else if (pid > 0) {
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for(;;) {
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res = wait4(pid, &status, 0, &rusage);
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if (res > -1) {
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if (WIFEXITED(status))
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res = WEXITSTATUS(status);
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else
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res = -1;
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break;
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} else {
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if (errno != EINTR)
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break;
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}
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}
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} else {
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ast_log(LOG_WARNING, "Fork failed: %s\n", strerror(errno));
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res = -1;
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}
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signal(SIGCHLD, prev_handler);
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return res;
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}
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/*
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* write the string to all attached console clients
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*/
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static void ast_network_puts(const char *string)
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{
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int x;
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for (x=0;x<AST_MAX_CONNECTS; x++) {
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if (consoles[x].fd > -1)
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fdprint(consoles[x].p[1], string);
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}
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}
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/*
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* write the string to the console, and all attached
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* console clients
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*/
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void ast_console_puts(const char *string)
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{
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fputs(string, stdout);
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fflush(stdout);
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ast_network_puts(string);
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}
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static void network_verboser(const char *s, int pos, int replace, int complete)
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/* ARGUSED */
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{
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if (replace) {
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char *t = alloca(strlen(s) + 2);
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if (t) {
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sprintf(t, "\r%s", s);
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if (complete)
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ast_network_puts(t);
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} else {
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ast_log(LOG_ERROR, "Out of memory\n");
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ast_network_puts(s);
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}
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} else {
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if (complete)
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ast_network_puts(s);
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}
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}
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static pthread_t lthread;
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static void *netconsole(void *vconsole)
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{
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struct console *con = vconsole;
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char hostname[256];
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char tmp[512];
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int res;
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struct pollfd fds[2];
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if (gethostname(hostname, sizeof(hostname)))
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strncpy(hostname, "<Unknown>", sizeof(hostname)-1);
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snprintf(tmp, sizeof(tmp), "%s/%d/%s\n", hostname, ast_mainpid, ASTERISK_VERSION);
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fdprint(con->fd, tmp);
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for(;;) {
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fds[0].fd = con->fd;
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fds[0].events = POLLIN;
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fds[1].fd = con->p[0];
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fds[1].events = POLLIN;
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res = poll(fds, 2, -1);
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if (res < 0) {
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if (errno != EINTR)
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ast_log(LOG_WARNING, "poll returned < 0: %s\n", strerror(errno));
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continue;
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}
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if (fds[0].revents) {
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res = read(con->fd, tmp, sizeof(tmp));
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if (res < 1) {
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break;
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}
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tmp[res] = 0;
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ast_cli_command(con->fd, tmp);
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}
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if (fds[1].revents) {
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res = read(con->p[0], tmp, sizeof(tmp));
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if (res < 1) {
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ast_log(LOG_ERROR, "read returned %d\n", res);
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break;
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}
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res = write(con->fd, tmp, res);
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if (res < 1)
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break;
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}
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}
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if (option_verbose > 2)
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ast_verbose(VERBOSE_PREFIX_3 "Remote UNIX connection disconnected\n");
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close(con->fd);
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close(con->p[0]);
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close(con->p[1]);
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con->fd = -1;
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return NULL;
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}
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static void *listener(void *unused)
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{
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struct sockaddr_un sun;
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int s;
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int len;
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int x;
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int flags;
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struct pollfd fds[1];
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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for(;;) {
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if (ast_socket < 0)
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return NULL;
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fds[0].fd = ast_socket;
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fds[0].events= POLLIN;
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s = poll(fds, 1, -1);
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if (s < 0) {
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if (errno != EINTR)
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ast_log(LOG_WARNING, "poll returned error: %s\n", strerror(errno));
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continue;
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}
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len = sizeof(sun);
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s = accept(ast_socket, (struct sockaddr *)&sun, &len);
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if (s < 0) {
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if (errno != EINTR)
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ast_log(LOG_WARNING, "Accept returned %d: %s\n", s, strerror(errno));
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} else {
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for (x=0;x<AST_MAX_CONNECTS;x++) {
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if (consoles[x].fd < 0) {
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if (socketpair(AF_LOCAL, SOCK_STREAM, 0, consoles[x].p)) {
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ast_log(LOG_ERROR, "Unable to create pipe: %s\n", strerror(errno));
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consoles[x].fd = -1;
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fdprint(s, "Server failed to create pipe\n");
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close(s);
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break;
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}
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flags = fcntl(consoles[x].p[1], F_GETFL);
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fcntl(consoles[x].p[1], F_SETFL, flags | O_NONBLOCK);
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consoles[x].fd = s;
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if (ast_pthread_create(&consoles[x].t, &attr, netconsole, &consoles[x])) {
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ast_log(LOG_ERROR, "Unable to spawn thread to handle connection: %s\n", strerror(errno));
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consoles[x].fd = -1;
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fdprint(s, "Server failed to spawn thread\n");
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close(s);
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}
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break;
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}
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}
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if (x >= AST_MAX_CONNECTS) {
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fdprint(s, "No more connections allowed\n");
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ast_log(LOG_WARNING, "No more connections allowed\n");
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close(s);
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} else if (consoles[x].fd > -1) {
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if (option_verbose > 2)
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ast_verbose(VERBOSE_PREFIX_3 "Remote UNIX connection\n");
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}
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}
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}
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return NULL;
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}
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static int ast_makesocket(void)
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{
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struct sockaddr_un sun;
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int res;
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int x;
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for (x=0;x<AST_MAX_CONNECTS;x++)
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consoles[x].fd = -1;
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unlink((char *)ast_config_AST_SOCKET);
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ast_socket = socket(PF_LOCAL, SOCK_STREAM, 0);
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if (ast_socket < 0) {
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ast_log(LOG_WARNING, "Unable to create control socket: %s\n", strerror(errno));
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return -1;
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}
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memset(&sun, 0, sizeof(sun));
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sun.sun_family = AF_LOCAL;
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strncpy(sun.sun_path, (char *)ast_config_AST_SOCKET, sizeof(sun.sun_path)-1);
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res = bind(ast_socket, (struct sockaddr *)&sun, sizeof(sun));
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if (res) {
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ast_log(LOG_WARNING, "Unable to bind socket to %s: %s\n", (char *)ast_config_AST_SOCKET, strerror(errno));
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close(ast_socket);
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ast_socket = -1;
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return -1;
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}
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res = listen(ast_socket, 2);
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if (res < 0) {
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ast_log(LOG_WARNING, "Unable to listen on socket %s: %s\n", (char *)ast_config_AST_SOCKET, strerror(errno));
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close(ast_socket);
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ast_socket = -1;
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return -1;
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}
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ast_register_verbose(network_verboser);
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ast_pthread_create(<hread, NULL, listener, NULL);
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return 0;
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}
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static int ast_tryconnect(void)
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{
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struct sockaddr_un sun;
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int res;
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ast_consock = socket(PF_LOCAL, SOCK_STREAM, 0);
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if (ast_consock < 0) {
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ast_log(LOG_WARNING, "Unable to create socket: %s\n", strerror(errno));
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return 0;
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}
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memset(&sun, 0, sizeof(sun));
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sun.sun_family = AF_LOCAL;
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strncpy(sun.sun_path, (char *)ast_config_AST_SOCKET, sizeof(sun.sun_path)-1);
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res = connect(ast_consock, (struct sockaddr *)&sun, sizeof(sun));
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if (res) {
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close(ast_consock);
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ast_consock = -1;
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return 0;
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} else
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return 1;
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}
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static void urg_handler(int num)
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{
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/* Called by soft_hangup to interrupt the poll, read, or other
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system call. We don't actually need to do anything though. */
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/* Cannot EVER ast_log from within a signal handler */
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if (option_debug)
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printf("Urgent handler\n");
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signal(num, urg_handler);
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return;
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}
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static void hup_handler(int num)
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{
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if (option_verbose > 1)
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printf("Received HUP signal -- Reloading configs\n");
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if (restartnow)
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execvp(_argv[0], _argv);
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/* XXX This could deadlock XXX */
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ast_module_reload(NULL);
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}
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static void child_handler(int sig)
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{
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/* Must not ever ast_log or ast_verbose within signal handler */
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int n, status;
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/*
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* Reap all dead children -- not just one
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*/
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for (n = 0; wait4(-1, &status, WNOHANG, NULL) > 0; n++)
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;
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if (n == 0 && option_debug)
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printf("Huh? Child handler, but nobody there?\n");
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}
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static void set_title(char *text)
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{
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/* Set an X-term or screen title */
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if (getenv("TERM") && strstr(getenv("TERM"), "xterm"))
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fprintf(stdout, "\033]2;%s\007", text);
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}
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static void set_icon(char *text)
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{
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if (getenv("TERM") && strstr(getenv("TERM"), "xterm"))
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fprintf(stdout, "\033]1;%s\007", text);
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}
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static int set_priority(int pri)
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{
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struct sched_param sched;
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memset(&sched, 0, sizeof(sched));
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/* We set ourselves to a high priority, that we might pre-empt everything
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else. If your PBX has heavy activity on it, this is a good thing. */
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#ifdef __linux__
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if (pri) {
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sched.sched_priority = 10;
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if (sched_setscheduler(0, SCHED_RR, &sched)) {
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ast_log(LOG_WARNING, "Unable to set high priority\n");
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return -1;
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} else
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if (option_verbose)
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ast_verbose("Set to realtime thread\n");
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} else {
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sched.sched_priority = 0;
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if (sched_setscheduler(0, SCHED_OTHER, &sched)) {
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ast_log(LOG_WARNING, "Unable to set normal priority\n");
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return -1;
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}
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}
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#else
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if (pri) {
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if (setpriority(PRIO_PROCESS, 0, -10) == -1) {
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|
ast_log(LOG_WARNING, "Unable to set high priority\n");
|
|
return -1;
|
|
} else
|
|
if (option_verbose)
|
|
ast_verbose("Set to high priority\n");
|
|
} else {
|
|
if (setpriority(PRIO_PROCESS, 0, 0) == -1) {
|
|
ast_log(LOG_WARNING, "Unable to set normal priority\n");
|
|
return -1;
|
|
}
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static void ast_run_atexits(void)
|
|
{
|
|
struct ast_atexit *ae;
|
|
ast_mutex_lock(&atexitslock);
|
|
ae = atexits;
|
|
while(ae) {
|
|
if (ae->func)
|
|
ae->func();
|
|
ae = ae->next;
|
|
}
|
|
ast_mutex_unlock(&atexitslock);
|
|
}
|
|
|
|
static void quit_handler(int num, int nice, int safeshutdown, int restart)
|
|
{
|
|
char filename[80] = "";
|
|
time_t s,e;
|
|
int x;
|
|
if (safeshutdown) {
|
|
shuttingdown = 1;
|
|
if (!nice) {
|
|
/* Begin shutdown routine, hanging up active channels */
|
|
ast_begin_shutdown(1);
|
|
if (option_verbose && option_console)
|
|
ast_verbose("Beginning asterisk %s....\n", restart ? "restart" : "shutdown");
|
|
time(&s);
|
|
for(;;) {
|
|
time(&e);
|
|
/* Wait up to 15 seconds for all channels to go away */
|
|
if ((e - s) > 15)
|
|
break;
|
|
if (!ast_active_channels())
|
|
break;
|
|
if (!shuttingdown)
|
|
break;
|
|
/* Sleep 1/10 of a second */
|
|
usleep(100000);
|
|
}
|
|
} else {
|
|
if (nice < 2)
|
|
ast_begin_shutdown(0);
|
|
if (option_verbose && option_console)
|
|
ast_verbose("Waiting for inactivity to perform %s...\n", restart ? "restart" : "halt");
|
|
for(;;) {
|
|
if (!ast_active_channels())
|
|
break;
|
|
if (!shuttingdown)
|
|
break;
|
|
sleep(1);
|
|
}
|
|
}
|
|
|
|
if (!shuttingdown) {
|
|
if (option_verbose && option_console)
|
|
ast_verbose("Asterisk %s cancelled.\n", restart ? "restart" : "shutdown");
|
|
return;
|
|
}
|
|
}
|
|
if (option_console || option_remote) {
|
|
if (getenv("HOME"))
|
|
snprintf(filename, sizeof(filename), "%s/.asterisk_history", getenv("HOME"));
|
|
if (!ast_strlen_zero(filename))
|
|
ast_el_write_history(filename);
|
|
if (el != NULL)
|
|
el_end(el);
|
|
if (el_hist != NULL)
|
|
history_end(el_hist);
|
|
}
|
|
if (option_verbose)
|
|
ast_verbose("Executing last minute cleanups\n");
|
|
ast_run_atexits();
|
|
/* Called on exit */
|
|
if (option_verbose && option_console)
|
|
ast_verbose("Asterisk %s ending (%d).\n", ast_active_channels() ? "uncleanly" : "cleanly", num);
|
|
else if (option_debug)
|
|
ast_log(LOG_DEBUG, "Asterisk ending (%d).\n", num);
|
|
manager_event(EVENT_FLAG_SYSTEM, "Shutdown", "Shutdown: %s\r\nRestart: %s\r\n", ast_active_channels() ? "Uncleanly" : "Cleanly", restart ? "True" : "False");
|
|
if (ast_socket > -1) {
|
|
close(ast_socket);
|
|
ast_socket = -1;
|
|
}
|
|
if (ast_consock > -1)
|
|
close(ast_consock);
|
|
if (ast_socket > -1)
|
|
unlink((char *)ast_config_AST_SOCKET);
|
|
if (!option_remote) unlink((char *)ast_config_AST_PID);
|
|
printf(term_quit());
|
|
if (restart) {
|
|
if (option_verbose || option_console)
|
|
ast_verbose("Preparing for Asterisk restart...\n");
|
|
/* Mark all FD's for closing on exec */
|
|
for (x=3;x<32768;x++) {
|
|
fcntl(x, F_SETFD, FD_CLOEXEC);
|
|
}
|
|
if (option_verbose || option_console)
|
|
ast_verbose("Restarting Asterisk NOW...\n");
|
|
restartnow = 1;
|
|
|
|
/* close logger */
|
|
close_logger();
|
|
|
|
/* If there is a consolethread running send it a SIGHUP
|
|
so it can execvp, otherwise we can do it ourselves */
|
|
if (consolethread != AST_PTHREADT_NULL) {
|
|
pthread_kill(consolethread, SIGHUP);
|
|
/* Give the signal handler some time to complete */
|
|
sleep(2);
|
|
} else
|
|
execvp(_argv[0], _argv);
|
|
|
|
} else {
|
|
/* close logger */
|
|
close_logger();
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
static void __quit_handler(int num)
|
|
{
|
|
quit_handler(num, 0, 1, 0);
|
|
}
|
|
|
|
static const char *fix_header(char *outbuf, int maxout, const char *s, char *cmp)
|
|
{
|
|
const char *c;
|
|
if (!strncmp(s, cmp, strlen(cmp))) {
|
|
c = s + strlen(cmp);
|
|
term_color(outbuf, cmp, COLOR_GRAY, 0, maxout);
|
|
return c;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void console_verboser(const char *s, int pos, int replace, int complete)
|
|
{
|
|
char tmp[80];
|
|
const char *c=NULL;
|
|
/* Return to the beginning of the line */
|
|
if (!pos) {
|
|
fprintf(stdout, "\r");
|
|
if ((c = fix_header(tmp, sizeof(tmp), s, VERBOSE_PREFIX_4)) ||
|
|
(c = fix_header(tmp, sizeof(tmp), s, VERBOSE_PREFIX_3)) ||
|
|
(c = fix_header(tmp, sizeof(tmp), s, VERBOSE_PREFIX_2)) ||
|
|
(c = fix_header(tmp, sizeof(tmp), s, VERBOSE_PREFIX_1)))
|
|
fputs(tmp, stdout);
|
|
}
|
|
if (c)
|
|
fputs(c + pos,stdout);
|
|
else
|
|
fputs(s + pos,stdout);
|
|
fflush(stdout);
|
|
if (complete) {
|
|
/* Wake up a poll()ing console */
|
|
if (option_console && consolethread != AST_PTHREADT_NULL)
|
|
pthread_kill(consolethread, SIGURG);
|
|
}
|
|
}
|
|
|
|
static int ast_all_zeros(char *s)
|
|
{
|
|
while(*s) {
|
|
if (*s > 32)
|
|
return 0;
|
|
s++;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void consolehandler(char *s)
|
|
{
|
|
printf(term_end());
|
|
fflush(stdout);
|
|
/* Called when readline data is available */
|
|
if (s && !ast_all_zeros(s))
|
|
ast_el_add_history(s);
|
|
/* Give the console access to the shell */
|
|
if (s) {
|
|
/* The real handler for bang */
|
|
if (s[0] == '!') {
|
|
if (s[1])
|
|
ast_safe_system(s+1);
|
|
else
|
|
ast_safe_system(getenv("SHELL") ? getenv("SHELL") : "/bin/sh");
|
|
} else
|
|
ast_cli_command(STDOUT_FILENO, s);
|
|
} else
|
|
fprintf(stdout, "\nUse \"quit\" to exit\n");
|
|
}
|
|
|
|
static int remoteconsolehandler(char *s)
|
|
{
|
|
int ret = 0;
|
|
/* Called when readline data is available */
|
|
if (s && !ast_all_zeros(s))
|
|
ast_el_add_history(s);
|
|
/* Give the console access to the shell */
|
|
if (s) {
|
|
/* The real handler for bang */
|
|
if (s[0] == '!') {
|
|
if (s[1])
|
|
ast_safe_system(s+1);
|
|
else
|
|
ast_safe_system(getenv("SHELL") ? getenv("SHELL") : "/bin/sh");
|
|
ret = 1;
|
|
}
|
|
if ((strncasecmp(s, "quit", 4) == 0 || strncasecmp(s, "exit", 4) == 0) &&
|
|
(s[4] == '\0' || isspace(s[4]))) {
|
|
quit_handler(0, 0, 0, 0);
|
|
ret = 1;
|
|
}
|
|
} else
|
|
fprintf(stdout, "\nUse \"quit\" to exit\n");
|
|
|
|
return ret;
|
|
}
|
|
|
|
static char quit_help[] =
|
|
"Usage: quit\n"
|
|
" Exits Asterisk.\n";
|
|
|
|
static char abort_halt_help[] =
|
|
"Usage: abort shutdown\n"
|
|
" Causes Asterisk to abort an executing shutdown or restart, and resume normal\n"
|
|
" call operations.\n";
|
|
|
|
static char shutdown_now_help[] =
|
|
"Usage: stop now\n"
|
|
" Shuts down a running Asterisk immediately, hanging up all active calls .\n";
|
|
|
|
static char shutdown_gracefully_help[] =
|
|
"Usage: stop gracefully\n"
|
|
" Causes Asterisk to not accept new calls, and exit when all\n"
|
|
" active calls have terminated normally.\n";
|
|
|
|
static char shutdown_when_convenient_help[] =
|
|
"Usage: stop when convenient\n"
|
|
" Causes Asterisk to perform a shutdown when all active calls have ended.\n";
|
|
|
|
static char restart_now_help[] =
|
|
"Usage: restart now\n"
|
|
" Causes Asterisk to hangup all calls and exec() itself performing a cold.\n"
|
|
" restart.\n";
|
|
|
|
static char restart_gracefully_help[] =
|
|
"Usage: restart gracefully\n"
|
|
" Causes Asterisk to stop accepting new calls and exec() itself performing a cold.\n"
|
|
" restart when all active calls have ended.\n";
|
|
|
|
static char restart_when_convenient_help[] =
|
|
"Usage: restart when convenient\n"
|
|
" Causes Asterisk to perform a cold restart when all active calls have ended.\n";
|
|
|
|
static char bang_help[] =
|
|
"Usage: !<command>\n"
|
|
" Executes a given shell command\n";
|
|
|
|
#if 0
|
|
static int handle_quit(int fd, int argc, char *argv[])
|
|
{
|
|
if (argc != 1)
|
|
return RESULT_SHOWUSAGE;
|
|
quit_handler(0, 0, 1, 0);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
#endif
|
|
|
|
static int no_more_quit(int fd, int argc, char *argv[])
|
|
{
|
|
if (argc != 1)
|
|
return RESULT_SHOWUSAGE;
|
|
ast_cli(fd, "The QUIT and EXIT commands may no longer be used to shutdown the PBX.\n"
|
|
"Please use STOP NOW instead, if you wish to shutdown the PBX.\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_shutdown_now(int fd, int argc, char *argv[])
|
|
{
|
|
if (argc != 2)
|
|
return RESULT_SHOWUSAGE;
|
|
quit_handler(0, 0 /* Not nice */, 1 /* safely */, 0 /* not restart */);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_shutdown_gracefully(int fd, int argc, char *argv[])
|
|
{
|
|
if (argc != 2)
|
|
return RESULT_SHOWUSAGE;
|
|
quit_handler(0, 1 /* nicely */, 1 /* safely */, 0 /* no restart */);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_shutdown_when_convenient(int fd, int argc, char *argv[])
|
|
{
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
quit_handler(0, 2 /* really nicely */, 1 /* safely */, 0 /* don't restart */);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_restart_now(int fd, int argc, char *argv[])
|
|
{
|
|
if (argc != 2)
|
|
return RESULT_SHOWUSAGE;
|
|
quit_handler(0, 0 /* not nicely */, 1 /* safely */, 1 /* restart */);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_restart_gracefully(int fd, int argc, char *argv[])
|
|
{
|
|
if (argc != 2)
|
|
return RESULT_SHOWUSAGE;
|
|
quit_handler(0, 1 /* nicely */, 1 /* safely */, 1 /* restart */);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_restart_when_convenient(int fd, int argc, char *argv[])
|
|
{
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
quit_handler(0, 2 /* really nicely */, 1 /* safely */, 1 /* restart */);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_abort_halt(int fd, int argc, char *argv[])
|
|
{
|
|
if (argc != 2)
|
|
return RESULT_SHOWUSAGE;
|
|
ast_cancel_shutdown();
|
|
shuttingdown = 0;
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_bang(int fd, int argc, char *argv[])
|
|
{
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
#define ASTERISK_PROMPT "*CLI> "
|
|
|
|
#define ASTERISK_PROMPT2 "%s*CLI> "
|
|
|
|
static struct ast_cli_entry aborthalt = { { "abort", "halt", NULL }, handle_abort_halt, "Cancel a running halt", abort_halt_help };
|
|
|
|
static struct ast_cli_entry quit = { { "quit", NULL }, no_more_quit, "Exit Asterisk", quit_help };
|
|
static struct ast_cli_entry astexit = { { "exit", NULL }, no_more_quit, "Exit Asterisk", quit_help };
|
|
|
|
static struct ast_cli_entry astshutdownnow = { { "stop", "now", NULL }, handle_shutdown_now, "Shut down Asterisk immediately", shutdown_now_help };
|
|
static struct ast_cli_entry astshutdowngracefully = { { "stop", "gracefully", NULL }, handle_shutdown_gracefully, "Gracefully shut down Asterisk", shutdown_gracefully_help };
|
|
static struct ast_cli_entry astshutdownwhenconvenient = { { "stop", "when","convenient", NULL }, handle_shutdown_when_convenient, "Shut down Asterisk at empty call volume", shutdown_when_convenient_help };
|
|
static struct ast_cli_entry astrestartnow = { { "restart", "now", NULL }, handle_restart_now, "Restart Asterisk immediately", restart_now_help };
|
|
static struct ast_cli_entry astrestartgracefully = { { "restart", "gracefully", NULL }, handle_restart_gracefully, "Restart Asterisk gracefully", restart_gracefully_help };
|
|
static struct ast_cli_entry astrestartwhenconvenient= { { "restart", "when", "convenient", NULL }, handle_restart_when_convenient, "Restart Asterisk at empty call volume", restart_when_convenient_help };
|
|
static struct ast_cli_entry astbang = { { "!", NULL }, handle_bang, "Execute a shell command", bang_help };
|
|
|
|
static int ast_el_read_char(EditLine *el, char *cp)
|
|
{
|
|
int num_read=0;
|
|
int lastpos=0;
|
|
struct pollfd fds[2];
|
|
int res;
|
|
int max;
|
|
char buf[512];
|
|
|
|
for (;;) {
|
|
max = 1;
|
|
fds[0].fd = ast_consock;
|
|
fds[0].events = POLLIN;
|
|
if (!option_exec) {
|
|
fds[1].fd = STDIN_FILENO;
|
|
fds[1].events = POLLIN;
|
|
max++;
|
|
}
|
|
res = poll(fds, max, -1);
|
|
if (res < 0) {
|
|
if (errno == EINTR)
|
|
continue;
|
|
ast_log(LOG_ERROR, "poll failed: %s\n", strerror(errno));
|
|
break;
|
|
}
|
|
|
|
if (!option_exec && fds[1].revents) {
|
|
num_read = read(STDIN_FILENO, cp, 1);
|
|
if (num_read < 1) {
|
|
break;
|
|
} else
|
|
return (num_read);
|
|
}
|
|
if (fds[0].revents) {
|
|
res = read(ast_consock, buf, sizeof(buf) - 1);
|
|
/* if the remote side disappears exit */
|
|
if (res < 1) {
|
|
fprintf(stderr, "\nDisconnected from Asterisk server\n");
|
|
if (!option_reconnect) {
|
|
quit_handler(0, 0, 0, 0);
|
|
} else {
|
|
int tries;
|
|
int reconnects_per_second = 20;
|
|
fprintf(stderr, "Attempting to reconnect for 30 seconds\n");
|
|
for (tries=0;tries<30 * reconnects_per_second;tries++) {
|
|
if (ast_tryconnect()) {
|
|
fprintf(stderr, "Reconnect succeeded after %.3f seconds\n", 1.0 / reconnects_per_second * tries);
|
|
printf(term_quit());
|
|
WELCOME_MESSAGE;
|
|
break;
|
|
} else {
|
|
usleep(1000000 / reconnects_per_second);
|
|
}
|
|
}
|
|
if (tries >= 30) {
|
|
fprintf(stderr, "Failed to reconnect for 30 seconds. Quitting.\n");
|
|
quit_handler(0, 0, 0, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
buf[res] = '\0';
|
|
|
|
if (!option_exec && !lastpos)
|
|
write(STDOUT_FILENO, "\r", 1);
|
|
write(STDOUT_FILENO, buf, res);
|
|
if ((buf[res-1] == '\n') || (buf[res-2] == '\n')) {
|
|
*cp = CC_REFRESH;
|
|
return(1);
|
|
} else {
|
|
lastpos = 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
*cp = '\0';
|
|
return (0);
|
|
}
|
|
|
|
static char *cli_prompt(EditLine *el)
|
|
{
|
|
static char prompt[200];
|
|
char *pfmt;
|
|
int color_used=0;
|
|
char term_code[20];
|
|
|
|
if ((pfmt = getenv("ASTERISK_PROMPT"))) {
|
|
char *t = pfmt, *p = prompt;
|
|
memset(prompt, 0, sizeof(prompt));
|
|
while (*t != '\0' && *p < sizeof(prompt)) {
|
|
if (*t == '%') {
|
|
char hostname[256];
|
|
int i;
|
|
struct timeval tv;
|
|
struct tm tm;
|
|
#ifdef linux
|
|
FILE *LOADAVG;
|
|
#endif
|
|
int fgcolor = COLOR_WHITE, bgcolor = COLOR_BLACK;
|
|
|
|
t++;
|
|
switch (*t) {
|
|
case 'C': /* color */
|
|
t++;
|
|
if (sscanf(t, "%d;%d%n", &fgcolor, &bgcolor, &i) == 2) {
|
|
strncat(p, term_color_code(term_code, fgcolor, bgcolor, sizeof(term_code)),sizeof(prompt) - strlen(prompt) - 1);
|
|
t += i - 1;
|
|
} else if (sscanf(t, "%d%n", &fgcolor, &i) == 1) {
|
|
strncat(p, term_color_code(term_code, fgcolor, 0, sizeof(term_code)),sizeof(prompt) - strlen(prompt) - 1);
|
|
t += i - 1;
|
|
}
|
|
|
|
/* If the color has been reset correctly, then there's no need to reset it later */
|
|
if ((fgcolor == COLOR_WHITE) && (bgcolor == COLOR_BLACK)) {
|
|
color_used = 0;
|
|
} else {
|
|
color_used = 1;
|
|
}
|
|
break;
|
|
case 'd': /* date */
|
|
memset(&tm, 0, sizeof(struct tm));
|
|
gettimeofday(&tv, NULL);
|
|
if (localtime_r(&(tv.tv_sec), &tm)) {
|
|
strftime(p, sizeof(prompt) - strlen(prompt), "%Y-%m-%d", &tm);
|
|
}
|
|
break;
|
|
case 'h': /* hostname */
|
|
if (!gethostname(hostname, sizeof(hostname) - 1)) {
|
|
strncat(p, hostname, sizeof(prompt) - strlen(prompt) - 1);
|
|
} else {
|
|
strncat(p, "localhost", sizeof(prompt) - strlen(prompt) - 1);
|
|
}
|
|
break;
|
|
case 'H': /* short hostname */
|
|
if (!gethostname(hostname, sizeof(hostname) - 1)) {
|
|
for (i=0;i<sizeof(hostname);i++) {
|
|
if (hostname[i] == '.') {
|
|
hostname[i] = '\0';
|
|
break;
|
|
}
|
|
}
|
|
strncat(p, hostname, sizeof(prompt) - strlen(prompt) - 1);
|
|
} else {
|
|
strncat(p, "localhost", sizeof(prompt) - strlen(prompt) - 1);
|
|
}
|
|
break;
|
|
#ifdef linux
|
|
case 'l': /* load avg */
|
|
t++;
|
|
if ((LOADAVG = fopen("/proc/loadavg", "r"))) {
|
|
float avg1, avg2, avg3;
|
|
int actproc, totproc, npid, which;
|
|
fscanf(LOADAVG, "%f %f %f %d/%d %d",
|
|
&avg1, &avg2, &avg3, &actproc, &totproc, &npid);
|
|
if (sscanf(t, "%d", &which) == 1) {
|
|
switch (which) {
|
|
case 1:
|
|
snprintf(p, sizeof(prompt) - strlen(prompt), "%.2f", avg1);
|
|
break;
|
|
case 2:
|
|
snprintf(p, sizeof(prompt) - strlen(prompt), "%.2f", avg2);
|
|
break;
|
|
case 3:
|
|
snprintf(p, sizeof(prompt) - strlen(prompt), "%.2f", avg3);
|
|
break;
|
|
case 4:
|
|
snprintf(p, sizeof(prompt) - strlen(prompt), "%d/%d", actproc, totproc);
|
|
break;
|
|
case 5:
|
|
snprintf(p, sizeof(prompt) - strlen(prompt), "%d", npid);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
case 't': /* time */
|
|
memset(&tm, 0, sizeof(struct tm));
|
|
gettimeofday(&tv, NULL);
|
|
if (localtime_r(&(tv.tv_sec), &tm)) {
|
|
strftime(p, sizeof(prompt) - strlen(prompt), "%H:%M:%S", &tm);
|
|
}
|
|
break;
|
|
case '#': /* process console or remote? */
|
|
if (! option_remote) {
|
|
strncat(p, "#", sizeof(prompt) - strlen(prompt) - 1);
|
|
} else {
|
|
strncat(p, ">", sizeof(prompt) - strlen(prompt) - 1);
|
|
}
|
|
break;
|
|
case '%': /* literal % */
|
|
strncat(p, "%", sizeof(prompt) - strlen(prompt) - 1);
|
|
break;
|
|
case '\0': /* % is last character - prevent bug */
|
|
t--;
|
|
break;
|
|
}
|
|
while (*p != '\0') {
|
|
p++;
|
|
}
|
|
t++;
|
|
} else {
|
|
*p = *t;
|
|
p++;
|
|
t++;
|
|
}
|
|
}
|
|
if (color_used) {
|
|
/* Force colors back to normal at end */
|
|
term_color_code(term_code, COLOR_WHITE, COLOR_BLACK, sizeof(term_code));
|
|
if (strlen(term_code) > sizeof(prompt) - strlen(prompt)) {
|
|
strncat(prompt + sizeof(prompt) - strlen(term_code) - 1, term_code, strlen(term_code));
|
|
} else {
|
|
strncat(p, term_code, sizeof(term_code));
|
|
}
|
|
}
|
|
} else if (remotehostname)
|
|
snprintf(prompt, sizeof(prompt), ASTERISK_PROMPT2, remotehostname);
|
|
else
|
|
snprintf(prompt, sizeof(prompt), ASTERISK_PROMPT);
|
|
|
|
return(prompt);
|
|
}
|
|
|
|
static char **ast_el_strtoarr(char *buf)
|
|
{
|
|
char **match_list = NULL, *retstr;
|
|
size_t match_list_len;
|
|
int matches = 0;
|
|
|
|
match_list_len = 1;
|
|
while ( (retstr = strsep(&buf, " ")) != NULL) {
|
|
|
|
if (!strcmp(retstr, AST_CLI_COMPLETE_EOF))
|
|
break;
|
|
if (matches + 1 >= match_list_len) {
|
|
match_list_len <<= 1;
|
|
match_list = realloc(match_list, match_list_len * sizeof(char *));
|
|
}
|
|
|
|
match_list[matches++] = strdup(retstr);
|
|
}
|
|
|
|
if (!match_list)
|
|
return (char **) NULL;
|
|
|
|
if (matches>= match_list_len)
|
|
match_list = realloc(match_list, (match_list_len + 1) * sizeof(char *));
|
|
|
|
match_list[matches] = (char *) NULL;
|
|
|
|
return match_list;
|
|
}
|
|
|
|
static int ast_el_sort_compare(const void *i1, const void *i2)
|
|
{
|
|
char *s1, *s2;
|
|
|
|
s1 = ((char **)i1)[0];
|
|
s2 = ((char **)i2)[0];
|
|
|
|
return strcasecmp(s1, s2);
|
|
}
|
|
|
|
static int ast_cli_display_match_list(char **matches, int len, int max)
|
|
{
|
|
int i, idx, limit, count;
|
|
int screenwidth = 0;
|
|
int numoutput = 0, numoutputline = 0;
|
|
|
|
screenwidth = ast_get_termcols(STDOUT_FILENO);
|
|
|
|
/* find out how many entries can be put on one line, with two spaces between strings */
|
|
limit = screenwidth / (max + 2);
|
|
if (limit == 0)
|
|
limit = 1;
|
|
|
|
/* how many lines of output */
|
|
count = len / limit;
|
|
if (count * limit < len)
|
|
count++;
|
|
|
|
idx = 1;
|
|
|
|
qsort(&matches[0], (size_t)(len + 1), sizeof(char *), ast_el_sort_compare);
|
|
|
|
for (; count > 0; count--) {
|
|
numoutputline = 0;
|
|
for (i=0; i < limit && matches[idx]; i++, idx++) {
|
|
|
|
/* Don't print dupes */
|
|
if ( (matches[idx+1] != NULL && strcmp(matches[idx], matches[idx+1]) == 0 ) ) {
|
|
i--;
|
|
free(matches[idx]);
|
|
matches[idx] = NULL;
|
|
continue;
|
|
}
|
|
|
|
numoutput++;
|
|
numoutputline++;
|
|
fprintf(stdout, "%-*s ", max, matches[idx]);
|
|
free(matches[idx]);
|
|
matches[idx] = NULL;
|
|
}
|
|
if (numoutputline > 0)
|
|
fprintf(stdout, "\n");
|
|
}
|
|
|
|
return numoutput;
|
|
}
|
|
|
|
|
|
static char *cli_complete(EditLine *el, int ch)
|
|
{
|
|
int len=0;
|
|
char *ptr;
|
|
int nummatches = 0;
|
|
char **matches;
|
|
int retval = CC_ERROR;
|
|
char buf[2048];
|
|
int res;
|
|
|
|
LineInfo *lf = (LineInfo *)el_line(el);
|
|
|
|
*(char *)lf->cursor = '\0';
|
|
ptr = (char *)lf->cursor;
|
|
if (ptr) {
|
|
while (ptr > lf->buffer) {
|
|
if (isspace(*ptr)) {
|
|
ptr++;
|
|
break;
|
|
}
|
|
ptr--;
|
|
}
|
|
}
|
|
|
|
len = lf->cursor - ptr;
|
|
|
|
if (option_remote) {
|
|
snprintf(buf, sizeof(buf),"_COMMAND NUMMATCHES \"%s\" \"%s\"", lf->buffer, ptr);
|
|
fdprint(ast_consock, buf);
|
|
res = read(ast_consock, buf, sizeof(buf));
|
|
buf[res] = '\0';
|
|
nummatches = atoi(buf);
|
|
|
|
if (nummatches > 0) {
|
|
char *mbuf;
|
|
int mlen = 0, maxmbuf = 2048;
|
|
/* Start with a 2048 byte buffer */
|
|
mbuf = malloc(maxmbuf);
|
|
if (!mbuf)
|
|
return (char *)(CC_ERROR);
|
|
snprintf(buf, sizeof(buf),"_COMMAND MATCHESARRAY \"%s\" \"%s\"", lf->buffer, ptr);
|
|
fdprint(ast_consock, buf);
|
|
res = 0;
|
|
mbuf[0] = '\0';
|
|
while (!strstr(mbuf, AST_CLI_COMPLETE_EOF) && res != -1) {
|
|
if (mlen + 1024 > maxmbuf) {
|
|
/* Every step increment buffer 1024 bytes */
|
|
maxmbuf += 1024;
|
|
mbuf = realloc(mbuf, maxmbuf);
|
|
if (!mbuf)
|
|
return (char *)(CC_ERROR);
|
|
}
|
|
/* Only read 1024 bytes at a time */
|
|
res = read(ast_consock, mbuf + mlen, 1024);
|
|
if (res > 0)
|
|
mlen += res;
|
|
}
|
|
mbuf[mlen] = '\0';
|
|
|
|
matches = ast_el_strtoarr(mbuf);
|
|
free(mbuf);
|
|
} else
|
|
matches = (char **) NULL;
|
|
|
|
|
|
} else {
|
|
|
|
nummatches = ast_cli_generatornummatches((char *)lf->buffer,ptr);
|
|
matches = ast_cli_completion_matches((char *)lf->buffer,ptr);
|
|
}
|
|
|
|
if (matches) {
|
|
int i;
|
|
int matches_num, maxlen, match_len;
|
|
|
|
if (matches[0][0] != '\0') {
|
|
el_deletestr(el, (int) len);
|
|
el_insertstr(el, matches[0]);
|
|
retval = CC_REFRESH;
|
|
}
|
|
|
|
if (nummatches == 1) {
|
|
/* Found an exact match */
|
|
el_insertstr(el, " ");
|
|
retval = CC_REFRESH;
|
|
} else {
|
|
/* Must be more than one match */
|
|
for (i=1, maxlen=0; matches[i]; i++) {
|
|
match_len = strlen(matches[i]);
|
|
if (match_len > maxlen)
|
|
maxlen = match_len;
|
|
}
|
|
matches_num = i - 1;
|
|
if (matches_num >1) {
|
|
fprintf(stdout, "\n");
|
|
ast_cli_display_match_list(matches, nummatches, maxlen);
|
|
retval = CC_REDISPLAY;
|
|
} else {
|
|
el_insertstr(el," ");
|
|
retval = CC_REFRESH;
|
|
}
|
|
}
|
|
free(matches);
|
|
}
|
|
|
|
return (char *)(long)retval;
|
|
}
|
|
|
|
static int ast_el_initialize(void)
|
|
{
|
|
HistEvent ev;
|
|
char *editor = getenv("AST_EDITOR");
|
|
|
|
if (el != NULL)
|
|
el_end(el);
|
|
if (el_hist != NULL)
|
|
history_end(el_hist);
|
|
|
|
el = el_init("asterisk", stdin, stdout, stderr);
|
|
el_set(el, EL_PROMPT, cli_prompt);
|
|
|
|
el_set(el, EL_EDITMODE, 1);
|
|
el_set(el, EL_EDITOR, editor ? editor : "emacs");
|
|
el_hist = history_init();
|
|
if (!el || !el_hist)
|
|
return -1;
|
|
|
|
/* setup history with 100 entries */
|
|
history(el_hist, &ev, H_SETSIZE, 100);
|
|
|
|
el_set(el, EL_HIST, history, el_hist);
|
|
|
|
el_set(el, EL_ADDFN, "ed-complete", "Complete argument", cli_complete);
|
|
/* Bind <tab> to command completion */
|
|
el_set(el, EL_BIND, "^I", "ed-complete", NULL);
|
|
/* Bind ? to command completion */
|
|
el_set(el, EL_BIND, "?", "ed-complete", NULL);
|
|
/* Bind ^D to redisplay */
|
|
el_set(el, EL_BIND, "^D", "ed-redisplay", NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ast_el_add_history(char *buf)
|
|
{
|
|
HistEvent ev;
|
|
|
|
if (el_hist == NULL || el == NULL)
|
|
ast_el_initialize();
|
|
if (strlen(buf) > 256)
|
|
return 0;
|
|
return (history(el_hist, &ev, H_ENTER, buf));
|
|
}
|
|
|
|
static int ast_el_write_history(char *filename)
|
|
{
|
|
HistEvent ev;
|
|
|
|
if (el_hist == NULL || el == NULL)
|
|
ast_el_initialize();
|
|
|
|
return (history(el_hist, &ev, H_SAVE, filename));
|
|
}
|
|
|
|
static int ast_el_read_history(char *filename)
|
|
{
|
|
char buf[256];
|
|
FILE *f;
|
|
int ret = -1;
|
|
|
|
if (el_hist == NULL || el == NULL)
|
|
ast_el_initialize();
|
|
|
|
if ((f = fopen(filename, "r")) == NULL)
|
|
return ret;
|
|
|
|
while (!feof(f)) {
|
|
fgets(buf, sizeof(buf), f);
|
|
if (!strcmp(buf, "_HiStOrY_V2_\n"))
|
|
continue;
|
|
if (ast_all_zeros(buf))
|
|
continue;
|
|
if ((ret = ast_el_add_history(buf)) == -1)
|
|
break;
|
|
}
|
|
fclose(f);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void ast_remotecontrol(char * data)
|
|
{
|
|
char buf[80];
|
|
int res;
|
|
char filename[80] = "";
|
|
char *hostname;
|
|
char *cpid;
|
|
char *version;
|
|
int pid;
|
|
char tmp[80];
|
|
char *stringp=NULL;
|
|
|
|
char *ebuf;
|
|
int num = 0;
|
|
|
|
read(ast_consock, buf, sizeof(buf));
|
|
if (data)
|
|
write(ast_consock, data, strlen(data) + 1);
|
|
stringp=buf;
|
|
hostname = strsep(&stringp, "/");
|
|
cpid = strsep(&stringp, "/");
|
|
version = strsep(&stringp, "\n");
|
|
if (!version)
|
|
version = "<Version Unknown>";
|
|
stringp=hostname;
|
|
strsep(&stringp, ".");
|
|
if (cpid)
|
|
pid = atoi(cpid);
|
|
else
|
|
pid = -1;
|
|
snprintf(tmp, sizeof(tmp), "set verbose atleast %d", option_verbose);
|
|
fdprint(ast_consock, tmp);
|
|
snprintf(tmp, sizeof(tmp), "set debug atleast %d", option_debug);
|
|
fdprint(ast_consock, tmp);
|
|
ast_verbose("Connected to Asterisk %s currently running on %s (pid = %d)\n", version, hostname, pid);
|
|
remotehostname = hostname;
|
|
if (getenv("HOME"))
|
|
snprintf(filename, sizeof(filename), "%s/.asterisk_history", getenv("HOME"));
|
|
if (el_hist == NULL || el == NULL)
|
|
ast_el_initialize();
|
|
|
|
el_set(el, EL_GETCFN, ast_el_read_char);
|
|
|
|
if (!ast_strlen_zero(filename))
|
|
ast_el_read_history(filename);
|
|
|
|
ast_cli_register(&quit);
|
|
ast_cli_register(&astexit);
|
|
#if 0
|
|
ast_cli_register(&astshutdown);
|
|
#endif
|
|
if (option_exec && data) { /* hack to print output then exit if asterisk -rx is used */
|
|
char tempchar;
|
|
struct pollfd fds[0];
|
|
fds[0].fd = ast_consock;
|
|
fds[0].events = POLLIN;
|
|
fds[0].revents = 0;
|
|
while(poll(fds, 1, 100) > 0) {
|
|
ast_el_read_char(el, &tempchar);
|
|
}
|
|
return;
|
|
}
|
|
for(;;) {
|
|
ebuf = (char *)el_gets(el, &num);
|
|
|
|
if (ebuf && !ast_strlen_zero(ebuf)) {
|
|
if (ebuf[strlen(ebuf)-1] == '\n')
|
|
ebuf[strlen(ebuf)-1] = '\0';
|
|
if (!remoteconsolehandler(ebuf)) {
|
|
res = write(ast_consock, ebuf, strlen(ebuf) + 1);
|
|
if (res < 1) {
|
|
ast_log(LOG_WARNING, "Unable to write: %s\n", strerror(errno));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
printf("\nDisconnected from Asterisk server\n");
|
|
}
|
|
|
|
static int show_version(void)
|
|
{
|
|
printf("Asterisk " ASTERISK_VERSION "\n");
|
|
return 0;
|
|
}
|
|
|
|
static int show_cli_help(void) {
|
|
printf("Asterisk " ASTERISK_VERSION ", Copyright (C) 2000-2004, Digium.\n");
|
|
printf("Usage: asterisk [OPTIONS]\n");
|
|
printf("Valid Options:\n");
|
|
printf(" -V Display version number and exit\n");
|
|
printf(" -C <configfile> Use an alternate configuration file\n");
|
|
printf(" -G <group> Run as a group other than the caller\n");
|
|
printf(" -U <user> Run as a user other than the caller\n");
|
|
printf(" -c Provide console CLI\n");
|
|
printf(" -d Enable extra debugging\n");
|
|
printf(" -f Do not fork\n");
|
|
printf(" -g Dump core in case of a crash\n");
|
|
printf(" -h This help screen\n");
|
|
printf(" -i Initializie crypto keys at startup\n");
|
|
printf(" -n Disable console colorization\n");
|
|
printf(" -p Run as pseudo-realtime thread\n");
|
|
printf(" -q Quiet mode (supress output)\n");
|
|
printf(" -r Connect to Asterisk on this machine\n");
|
|
printf(" -R Connect to Asterisk, and attempt to reconnect if disconnected\n");
|
|
printf(" -t Record soundfiles in /tmp and move them where they belong after they are done.\n");
|
|
printf(" -v Increase verbosity (multiple v's = more verbose)\n");
|
|
printf(" -x <cmd> Execute command <cmd> (only valid with -r)\n");
|
|
printf("\n");
|
|
return 0;
|
|
}
|
|
|
|
static void ast_readconfig(void) {
|
|
struct ast_config *cfg;
|
|
struct ast_variable *v;
|
|
char *config = ASTCONFPATH;
|
|
|
|
if (option_overrideconfig == 1) {
|
|
cfg = ast_load((char *)ast_config_AST_CONFIG_FILE);
|
|
if (!cfg)
|
|
ast_log(LOG_WARNING, "Unable to open specified master config file '%s', using builtin defaults\n", ast_config_AST_CONFIG_FILE);
|
|
} else {
|
|
cfg = ast_load(config);
|
|
}
|
|
|
|
/* init with buildtime config */
|
|
strncpy((char *)ast_config_AST_CONFIG_DIR,AST_CONFIG_DIR,sizeof(ast_config_AST_CONFIG_DIR)-1);
|
|
strncpy((char *)ast_config_AST_SPOOL_DIR,AST_SPOOL_DIR,sizeof(ast_config_AST_SPOOL_DIR)-1);
|
|
strncpy((char *)ast_config_AST_MODULE_DIR,AST_MODULE_DIR,sizeof(ast_config_AST_VAR_DIR)-1);
|
|
strncpy((char *)ast_config_AST_VAR_DIR,AST_VAR_DIR,sizeof(ast_config_AST_VAR_DIR)-1);
|
|
strncpy((char *)ast_config_AST_LOG_DIR,AST_LOG_DIR,sizeof(ast_config_AST_LOG_DIR)-1);
|
|
strncpy((char *)ast_config_AST_AGI_DIR,AST_AGI_DIR,sizeof(ast_config_AST_AGI_DIR)-1);
|
|
strncpy((char *)ast_config_AST_DB,AST_DB,sizeof(ast_config_AST_DB)-1);
|
|
strncpy((char *)ast_config_AST_KEY_DIR,AST_KEY_DIR,sizeof(ast_config_AST_KEY_DIR)-1);
|
|
strncpy((char *)ast_config_AST_PID,AST_PID,sizeof(ast_config_AST_PID)-1);
|
|
strncpy((char *)ast_config_AST_SOCKET,AST_SOCKET,sizeof(ast_config_AST_SOCKET)-1);
|
|
strncpy((char *)ast_config_AST_RUN_DIR,AST_RUN_DIR,sizeof(ast_config_AST_RUN_DIR)-1);
|
|
|
|
/* no asterisk.conf? no problem, use buildtime config! */
|
|
if (!cfg) {
|
|
return;
|
|
}
|
|
v = ast_variable_browse(cfg, "directories");
|
|
while(v) {
|
|
if (!strcasecmp(v->name, "astetcdir")) {
|
|
strncpy((char *)ast_config_AST_CONFIG_DIR,v->value,sizeof(ast_config_AST_CONFIG_DIR)-1);
|
|
} else if (!strcasecmp(v->name, "astspooldir")) {
|
|
strncpy((char *)ast_config_AST_SPOOL_DIR,v->value,sizeof(ast_config_AST_SPOOL_DIR)-1);
|
|
} else if (!strcasecmp(v->name, "astvarlibdir")) {
|
|
strncpy((char *)ast_config_AST_VAR_DIR,v->value,sizeof(ast_config_AST_VAR_DIR)-1);
|
|
snprintf((char *)ast_config_AST_DB,sizeof(ast_config_AST_DB),"%s/%s",v->value,"astdb");
|
|
} else if (!strcasecmp(v->name, "astlogdir")) {
|
|
strncpy((char *)ast_config_AST_LOG_DIR,v->value,sizeof(ast_config_AST_LOG_DIR)-1);
|
|
} else if (!strcasecmp(v->name, "astagidir")) {
|
|
strncpy((char *)ast_config_AST_AGI_DIR,v->value,sizeof(ast_config_AST_AGI_DIR)-1);
|
|
} else if (!strcasecmp(v->name, "astrundir")) {
|
|
snprintf((char *)ast_config_AST_PID,sizeof(ast_config_AST_PID),"%s/%s",v->value,"asterisk.pid");
|
|
snprintf((char *)ast_config_AST_SOCKET,sizeof(ast_config_AST_SOCKET),"%s/%s",v->value,"asterisk.ctl");
|
|
strncpy((char *)ast_config_AST_RUN_DIR,v->value,sizeof(ast_config_AST_RUN_DIR)-1);
|
|
} else if (!strcasecmp(v->name, "astmoddir")) {
|
|
strncpy((char *)ast_config_AST_MODULE_DIR,v->value,sizeof(ast_config_AST_MODULE_DIR)-1);
|
|
}
|
|
v = v->next;
|
|
}
|
|
v = ast_variable_browse(cfg, "options");
|
|
while(v) {
|
|
if (!strcasecmp(v->name, "verbose")) {
|
|
option_verbose= atoi(v->value);
|
|
} else if (!strcasecmp(v->name, "debug")) {
|
|
option_debug= ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "nofork")) {
|
|
option_nofork = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "quiet")) {
|
|
option_quiet = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "console")) {
|
|
option_console = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "highpriority")) {
|
|
option_highpriority = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "initcrypto")) {
|
|
option_initcrypto = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "nocolor")) {
|
|
option_nocolor = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "dumpcore")) {
|
|
option_dumpcore = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "cache_record_files")) {
|
|
option_cache_record_files = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "record_cache_dir")) {
|
|
strncpy(record_cache_dir,v->value,AST_CACHE_DIR_LEN);
|
|
}
|
|
v = v->next;
|
|
}
|
|
ast_destroy(cfg);
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int c;
|
|
char filename[80] = "";
|
|
char hostname[256];
|
|
char tmp[80];
|
|
char * xarg = NULL;
|
|
int x;
|
|
FILE *f;
|
|
sigset_t sigs;
|
|
int num;
|
|
char *buf;
|
|
char *runuser=NULL, *rungroup=NULL;
|
|
|
|
/* Remember original args for restart */
|
|
if (argc > sizeof(_argv) / sizeof(_argv[0]) - 1) {
|
|
fprintf(stderr, "Truncating argument size to %d\n", (int)(sizeof(_argv) / sizeof(_argv[0])) - 1);
|
|
argc = sizeof(_argv) / sizeof(_argv[0]) - 1;
|
|
}
|
|
for (x=0;x<argc;x++)
|
|
_argv[x] = argv[x];
|
|
_argv[x] = NULL;
|
|
|
|
/* if the progname is rasterisk consider it a remote console */
|
|
if (argv[0] && (strstr(argv[0], "rasterisk")) != NULL) {
|
|
option_remote++;
|
|
option_nofork++;
|
|
}
|
|
if (gethostname(hostname, sizeof(hostname)))
|
|
strncpy(hostname, "<Unknown>", sizeof(hostname)-1);
|
|
ast_mainpid = getpid();
|
|
ast_ulaw_init();
|
|
ast_alaw_init();
|
|
callerid_init();
|
|
ast_utils_init();
|
|
tdd_init();
|
|
if (getenv("HOME"))
|
|
snprintf(filename, sizeof(filename), "%s/.asterisk_history", getenv("HOME"));
|
|
/* Check if we're root */
|
|
/*
|
|
if (geteuid()) {
|
|
ast_log(LOG_ERROR, "Must be run as root\n");
|
|
exit(1);
|
|
}
|
|
*/
|
|
/* Check for options */
|
|
while((c=getopt(argc, argv, "thfdvVqprRgcinx:U:G:C:")) != -1) {
|
|
switch(c) {
|
|
case 'd':
|
|
option_debug++;
|
|
option_nofork++;
|
|
break;
|
|
case 'c':
|
|
option_console++;
|
|
option_nofork++;
|
|
break;
|
|
case 'f':
|
|
option_nofork++;
|
|
break;
|
|
case 'n':
|
|
option_nocolor++;
|
|
break;
|
|
case 'r':
|
|
option_remote++;
|
|
option_nofork++;
|
|
break;
|
|
case 'R':
|
|
option_remote++;
|
|
option_nofork++;
|
|
option_reconnect++;
|
|
break;
|
|
case 'p':
|
|
option_highpriority++;
|
|
break;
|
|
case 'v':
|
|
option_verbose++;
|
|
option_nofork++;
|
|
break;
|
|
case 'q':
|
|
option_quiet++;
|
|
break;
|
|
case 't':
|
|
option_cache_record_files++;
|
|
break;
|
|
case 'x':
|
|
option_exec++;
|
|
xarg = optarg;
|
|
break;
|
|
case 'C':
|
|
strncpy((char *)ast_config_AST_CONFIG_FILE,optarg,sizeof(ast_config_AST_CONFIG_FILE) - 1);
|
|
option_overrideconfig++;
|
|
break;
|
|
case 'i':
|
|
option_initcrypto++;
|
|
break;
|
|
case'g':
|
|
option_dumpcore++;
|
|
break;
|
|
case 'h':
|
|
show_cli_help();
|
|
exit(0);
|
|
case 'V':
|
|
show_version();
|
|
exit(0);
|
|
case 'U':
|
|
runuser = optarg;
|
|
break;
|
|
case 'G':
|
|
rungroup = optarg;
|
|
break;
|
|
case '?':
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (option_dumpcore) {
|
|
struct rlimit l;
|
|
memset(&l, 0, sizeof(l));
|
|
l.rlim_cur = RLIM_INFINITY;
|
|
l.rlim_max = RLIM_INFINITY;
|
|
if (setrlimit(RLIMIT_CORE, &l)) {
|
|
ast_log(LOG_WARNING, "Unable to disable core size resource limit: %s\n", strerror(errno));
|
|
}
|
|
}
|
|
|
|
if (rungroup) {
|
|
struct group *gr;
|
|
gr = getgrnam(rungroup);
|
|
if (!gr) {
|
|
ast_log(LOG_WARNING, "No such group '%s'!\n", rungroup);
|
|
exit(1);
|
|
}
|
|
if (setgid(gr->gr_gid)) {
|
|
ast_log(LOG_WARNING, "Unable to setgid to %d (%s)\n", gr->gr_gid, rungroup);
|
|
exit(1);
|
|
}
|
|
if (option_verbose)
|
|
ast_verbose("Running as group '%s'\n", rungroup);
|
|
}
|
|
|
|
if (set_priority(option_highpriority)) {
|
|
exit(1);
|
|
}
|
|
if (runuser) {
|
|
struct passwd *pw;
|
|
pw = getpwnam(runuser);
|
|
if (!pw) {
|
|
ast_log(LOG_WARNING, "No such user '%s'!\n", runuser);
|
|
exit(1);
|
|
}
|
|
if (setuid(pw->pw_uid)) {
|
|
ast_log(LOG_WARNING, "Unable to setuid to %d (%s)\n", pw->pw_uid, runuser);
|
|
exit(1);
|
|
}
|
|
if (option_verbose)
|
|
ast_verbose("Running as user '%s'\n", runuser);
|
|
}
|
|
|
|
term_init();
|
|
printf(term_end());
|
|
fflush(stdout);
|
|
|
|
if (option_console && !option_verbose)
|
|
ast_verbose("[ Reading Master Configuration ]");
|
|
ast_readconfig();
|
|
|
|
if (option_console && !option_verbose)
|
|
ast_verbose("[ Initializing Custom Configuration Options]");
|
|
/* custom config setup */
|
|
register_config_cli();
|
|
read_ast_cust_config();
|
|
|
|
|
|
if (option_console) {
|
|
if (el_hist == NULL || el == NULL)
|
|
ast_el_initialize();
|
|
|
|
if (!ast_strlen_zero(filename))
|
|
ast_el_read_history(filename);
|
|
}
|
|
|
|
if (ast_tryconnect()) {
|
|
/* One is already running */
|
|
if (option_remote) {
|
|
if (option_exec) {
|
|
ast_remotecontrol(xarg);
|
|
quit_handler(0, 0, 0, 0);
|
|
exit(0);
|
|
}
|
|
printf(term_quit());
|
|
ast_register_verbose(console_verboser);
|
|
WELCOME_MESSAGE;
|
|
ast_remotecontrol(NULL);
|
|
quit_handler(0, 0, 0, 0);
|
|
exit(0);
|
|
} else {
|
|
ast_log(LOG_ERROR, "Asterisk already running on %s. Use 'asterisk -r' to connect.\n", (char *)ast_config_AST_SOCKET);
|
|
printf(term_quit());
|
|
exit(1);
|
|
}
|
|
} else if (option_remote || option_exec) {
|
|
ast_log(LOG_ERROR, "Unable to connect to remote asterisk\n");
|
|
printf(term_quit());
|
|
exit(1);
|
|
}
|
|
/* Blindly write pid file since we couldn't connect */
|
|
unlink((char *)ast_config_AST_PID);
|
|
f = fopen((char *)ast_config_AST_PID, "w");
|
|
if (f) {
|
|
fprintf(f, "%d\n", getpid());
|
|
fclose(f);
|
|
} else
|
|
ast_log(LOG_WARNING, "Unable to open pid file '%s': %s\n", (char *)ast_config_AST_PID, strerror(errno));
|
|
|
|
if (!option_verbose && !option_debug && !option_nofork && !option_console) {
|
|
daemon(0,0);
|
|
/* Blindly re-write pid file since we are forking */
|
|
unlink((char *)ast_config_AST_PID);
|
|
f = fopen((char *)ast_config_AST_PID, "w");
|
|
if (f) {
|
|
fprintf(f, "%d\n", getpid());
|
|
fclose(f);
|
|
} else
|
|
ast_log(LOG_WARNING, "Unable to open pid file '%s': %s\n", (char *)ast_config_AST_PID, strerror(errno));
|
|
}
|
|
|
|
/* Test recursive mutex locking. */
|
|
if (test_for_thread_safety())
|
|
ast_verbose("Warning! Asterisk is not thread safe.\n");
|
|
|
|
ast_makesocket();
|
|
sigemptyset(&sigs);
|
|
sigaddset(&sigs, SIGHUP);
|
|
sigaddset(&sigs, SIGTERM);
|
|
sigaddset(&sigs, SIGINT);
|
|
sigaddset(&sigs, SIGPIPE);
|
|
sigaddset(&sigs, SIGWINCH);
|
|
pthread_sigmask(SIG_BLOCK, &sigs, NULL);
|
|
if (option_console || option_verbose || option_remote)
|
|
ast_register_verbose(console_verboser);
|
|
/* Print a welcome message if desired */
|
|
if (option_verbose || option_console) {
|
|
WELCOME_MESSAGE;
|
|
}
|
|
if (option_console && !option_verbose)
|
|
ast_verbose("[ Booting...");
|
|
|
|
signal(SIGURG, urg_handler);
|
|
signal(SIGINT, __quit_handler);
|
|
signal(SIGTERM, __quit_handler);
|
|
signal(SIGHUP, hup_handler);
|
|
signal(SIGCHLD, child_handler);
|
|
signal(SIGPIPE, SIG_IGN);
|
|
|
|
if (init_logger()) {
|
|
printf(term_quit());
|
|
exit(1);
|
|
}
|
|
if (init_manager()) {
|
|
printf(term_quit());
|
|
exit(1);
|
|
}
|
|
ast_rtp_init();
|
|
if (ast_image_init()) {
|
|
printf(term_quit());
|
|
exit(1);
|
|
}
|
|
if (ast_file_init()) {
|
|
printf(term_quit());
|
|
exit(1);
|
|
}
|
|
if (load_pbx()) {
|
|
printf(term_quit());
|
|
exit(1);
|
|
}
|
|
if (load_modules()) {
|
|
printf(term_quit());
|
|
exit(1);
|
|
}
|
|
if (init_framer()) {
|
|
printf(term_quit());
|
|
exit(1);
|
|
}
|
|
if (astdb_init()) {
|
|
printf(term_quit());
|
|
exit(1);
|
|
}
|
|
if (ast_enum_init()) {
|
|
printf(term_quit());
|
|
exit(1);
|
|
}
|
|
#if 0
|
|
/* This should no longer be necessary */
|
|
/* sync cust config and reload some internals in case a custom config handler binded to them */
|
|
read_ast_cust_config();
|
|
reload_logger(0);
|
|
reload_manager();
|
|
ast_enum_reload();
|
|
ast_rtp_reload();
|
|
#endif
|
|
|
|
|
|
/* We might have the option of showing a console, but for now just
|
|
do nothing... */
|
|
if (option_console && !option_verbose)
|
|
ast_verbose(" ]\n");
|
|
if (option_verbose || option_console)
|
|
ast_verbose(term_color(tmp, "Asterisk Ready.\n", COLOR_BRWHITE, COLOR_BLACK, sizeof(tmp)));
|
|
if (option_nofork)
|
|
consolethread = pthread_self();
|
|
fully_booted = 1;
|
|
pthread_sigmask(SIG_UNBLOCK, &sigs, NULL);
|
|
#ifdef __AST_DEBUG_MALLOC
|
|
__ast_mm_init();
|
|
#endif
|
|
time(&ast_startuptime);
|
|
ast_cli_register(&astshutdownnow);
|
|
ast_cli_register(&astshutdowngracefully);
|
|
ast_cli_register(&astrestartnow);
|
|
ast_cli_register(&astrestartgracefully);
|
|
ast_cli_register(&astrestartwhenconvenient);
|
|
ast_cli_register(&astshutdownwhenconvenient);
|
|
ast_cli_register(&aborthalt);
|
|
ast_cli_register(&astbang);
|
|
if (option_console) {
|
|
/* Console stuff now... */
|
|
/* Register our quit function */
|
|
char title[256];
|
|
set_icon("Asterisk");
|
|
snprintf(title, sizeof(title), "Asterisk Console on '%s' (pid %d)", hostname, ast_mainpid);
|
|
set_title(title);
|
|
ast_cli_register(&quit);
|
|
ast_cli_register(&astexit);
|
|
|
|
for (;;) {
|
|
buf = (char *)el_gets(el, &num);
|
|
if (buf) {
|
|
if (buf[strlen(buf)-1] == '\n')
|
|
buf[strlen(buf)-1] = '\0';
|
|
|
|
consolehandler((char *)buf);
|
|
} else {
|
|
if (option_remote)
|
|
ast_cli(STDOUT_FILENO, "\nUse EXIT or QUIT to exit the asterisk console\n");
|
|
}
|
|
}
|
|
|
|
} else {
|
|
/* Do nothing */
|
|
for(;;)
|
|
poll(NULL,0, -1);
|
|
}
|
|
return 0;
|
|
}
|