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2128 lines
63 KiB
2128 lines
63 KiB
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, 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 AGI - the Asterisk Gateway Interface
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*
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* \author Mark Spencer <markster@digium.com>
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*/
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#include <sys/types.h>
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#include <netdb.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <arpa/inet.h>
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#include <math.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <sys/time.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/file.h"
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#include "asterisk/logger.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/module.h"
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#include "asterisk/astdb.h"
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#include "asterisk/callerid.h"
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#include "asterisk/cli.h"
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#include "asterisk/logger.h"
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#include "asterisk/options.h"
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#include "asterisk/image.h"
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#include "asterisk/say.h"
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#include "asterisk/app.h"
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#include "asterisk/dsp.h"
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#include "asterisk/musiconhold.h"
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#include "asterisk/manager.h"
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#include "asterisk/utils.h"
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#include "asterisk/lock.h"
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#include "asterisk/strings.h"
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#include "asterisk/agi.h"
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#define MAX_ARGS 128
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#define MAX_COMMANDS 128
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/* Recycle some stuff from the CLI interface */
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#define fdprintf agi_debug_cli
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static char *tdesc = "Asterisk Gateway Interface (AGI)";
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static char *app = "AGI";
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static char *eapp = "EAGI";
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static char *deadapp = "DeadAGI";
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static char *synopsis = "Executes an AGI compliant application";
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static char *esynopsis = "Executes an EAGI compliant application";
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static char *deadsynopsis = "Executes AGI on a hungup channel";
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static char *descrip =
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" [E|Dead]AGI(command|args): Executes an Asterisk Gateway Interface compliant\n"
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"program on a channel. AGI allows Asterisk to launch external programs\n"
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"written in any language to control a telephony channel, play audio,\n"
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"read DTMF digits, etc. by communicating with the AGI protocol on stdin\n"
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"and stdout.\n"
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"Returns -1 on hangup (except for DeadAGI) or if application requested\n"
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" hangup, or 0 on non-hangup exit. \n"
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"Using 'EAGI' provides enhanced AGI, with incoming audio available out of band"
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"on file descriptor 3\n\n"
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"Use the CLI command 'show agi' to list available agi commands\n";
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static int agidebug = 0;
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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#define TONE_BLOCK_SIZE 200
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/* Max time to connect to an AGI remote host */
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#define MAX_AGI_CONNECT 2000
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#define AGI_PORT 4573
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static void agi_debug_cli(int fd, char *fmt, ...)
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{
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char *stuff;
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int res = 0;
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va_list ap;
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va_start(ap, fmt);
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res = vasprintf(&stuff, fmt, ap);
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va_end(ap);
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if (res == -1) {
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ast_log(LOG_ERROR, "Out of memory\n");
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} else {
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if (agidebug)
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ast_verbose("AGI Tx >> %s", stuff);
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ast_carefulwrite(fd, stuff, strlen(stuff), 100);
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free(stuff);
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}
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}
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/* launch_netscript: The fastagi handler.
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FastAGI defaults to port 4573 */
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static int launch_netscript(char *agiurl, char *argv[], int *fds, int *efd, int *opid)
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{
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int s;
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int flags;
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struct pollfd pfds[1];
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char *host;
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char *c; int port = AGI_PORT;
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char *script="";
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struct sockaddr_in sin;
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struct hostent *hp;
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struct ast_hostent ahp;
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host = ast_strdupa(agiurl + 6); /* Remove agi:// */
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if (!host)
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return -1;
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/* Strip off any script name */
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if ((c = strchr(host, '/'))) {
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*c = '\0';
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c++;
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script = c;
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}
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if ((c = strchr(host, ':'))) {
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*c = '\0';
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c++;
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port = atoi(c);
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}
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if (efd) {
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ast_log(LOG_WARNING, "AGI URI's don't support Enhanced AGI yet\n");
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return -1;
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}
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hp = ast_gethostbyname(host, &ahp);
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if (!hp) {
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ast_log(LOG_WARNING, "Unable to locate host '%s'\n", host);
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return -1;
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}
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s = socket(AF_INET, SOCK_STREAM, 0);
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if (s < 0) {
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ast_log(LOG_WARNING, "Unable to create socket: %s\n", strerror(errno));
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return -1;
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}
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flags = fcntl(s, F_GETFL);
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if (flags < 0) {
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ast_log(LOG_WARNING, "Fcntl(F_GETFL) failed: %s\n", strerror(errno));
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close(s);
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return -1;
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}
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if (fcntl(s, F_SETFL, flags | O_NONBLOCK) < 0) {
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ast_log(LOG_WARNING, "Fnctl(F_SETFL) failed: %s\n", strerror(errno));
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close(s);
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return -1;
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}
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memset(&sin, 0, sizeof(sin));
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sin.sin_family = AF_INET;
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sin.sin_port = htons(port);
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memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr));
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if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) && (errno != EINPROGRESS)) {
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ast_log(LOG_WARNING, "Connect failed with unexpected error: %s\n", strerror(errno));
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close(s);
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return -1;
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}
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pfds[0].fd = s;
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pfds[0].events = POLLOUT;
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if (poll(pfds, 1, MAX_AGI_CONNECT) != 1) {
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ast_log(LOG_WARNING, "Connect to '%s' failed!\n", agiurl);
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close(s);
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return -1;
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}
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if (write(s, "agi_network: yes\n", strlen("agi_network: yes\n")) < 0) {
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ast_log(LOG_WARNING, "Connect to '%s' failed: %s\n", agiurl, strerror(errno));
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close(s);
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return -1;
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}
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/* If we have a script parameter, relay it to the fastagi server */
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if (!ast_strlen_zero(script))
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fdprintf(s, "agi_network_script: %s\n", script);
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if (option_debug > 3)
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ast_log(LOG_DEBUG, "Wow, connected!\n");
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fds[0] = s;
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fds[1] = s;
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*opid = -1;
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return 0;
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}
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static int launch_script(char *script, char *argv[], int *fds, int *efd, int *opid)
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{
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char tmp[256];
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int pid;
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int toast[2];
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int fromast[2];
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int audio[2];
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int x;
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int res;
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sigset_t signal_set;
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if (!strncasecmp(script, "agi://", 6))
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return launch_netscript(script, argv, fds, efd, opid);
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if (script[0] != '/') {
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snprintf(tmp, sizeof(tmp), "%s/%s", (char *)ast_config_AST_AGI_DIR, script);
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script = tmp;
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}
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if (pipe(toast)) {
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ast_log(LOG_WARNING, "Unable to create toast pipe: %s\n",strerror(errno));
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return -1;
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}
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if (pipe(fromast)) {
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ast_log(LOG_WARNING, "unable to create fromast pipe: %s\n", strerror(errno));
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close(toast[0]);
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close(toast[1]);
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return -1;
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}
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if (efd) {
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if (pipe(audio)) {
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ast_log(LOG_WARNING, "unable to create audio pipe: %s\n", strerror(errno));
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close(fromast[0]);
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close(fromast[1]);
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close(toast[0]);
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close(toast[1]);
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return -1;
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}
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res = fcntl(audio[1], F_GETFL);
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if (res > -1)
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res = fcntl(audio[1], F_SETFL, res | O_NONBLOCK);
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if (res < 0) {
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ast_log(LOG_WARNING, "unable to set audio pipe parameters: %s\n", strerror(errno));
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close(fromast[0]);
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close(fromast[1]);
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close(toast[0]);
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close(toast[1]);
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close(audio[0]);
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close(audio[1]);
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return -1;
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}
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}
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pid = fork();
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if (pid < 0) {
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ast_log(LOG_WARNING, "Failed to fork(): %s\n", strerror(errno));
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return -1;
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}
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if (!pid) {
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/* Pass paths to AGI via environmental variables */
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setenv("AST_CONFIG_DIR", ast_config_AST_CONFIG_DIR, 1);
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setenv("AST_CONFIG_FILE", ast_config_AST_CONFIG_FILE, 1);
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setenv("AST_MODULE_DIR", ast_config_AST_MODULE_DIR, 1);
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setenv("AST_SPOOL_DIR", ast_config_AST_SPOOL_DIR, 1);
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setenv("AST_MONITOR_DIR", ast_config_AST_MONITOR_DIR, 1);
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setenv("AST_VAR_DIR", ast_config_AST_VAR_DIR, 1);
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setenv("AST_LOG_DIR", ast_config_AST_LOG_DIR, 1);
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setenv("AST_AGI_DIR", ast_config_AST_AGI_DIR, 1);
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setenv("AST_KEY_DIR", ast_config_AST_KEY_DIR, 1);
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setenv("AST_RUN_DIR", ast_config_AST_RUN_DIR, 1);
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/* Redirect stdin and out, provide enhanced audio channel if desired */
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dup2(fromast[0], STDIN_FILENO);
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dup2(toast[1], STDOUT_FILENO);
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if (efd) {
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dup2(audio[0], STDERR_FILENO + 1);
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} else {
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close(STDERR_FILENO + 1);
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}
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/* unblock important signal handlers */
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if (sigfillset(&signal_set) || pthread_sigmask(SIG_UNBLOCK, &signal_set, NULL)) {
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ast_log(LOG_WARNING, "unable to unblock signals for AGI script: %s\n", strerror(errno));
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exit(1);
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}
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/* Close everything but stdin/out/error */
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for (x=STDERR_FILENO + 2;x<1024;x++)
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close(x);
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/* Don't run AGI scripts with realtime priority -- it causes audio stutter */
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ast_set_priority(0);
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/* Execute script */
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execv(script, argv);
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/* Can't use ast_log since FD's are closed */
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fprintf(stdout, "verbose \"Failed to execute '%s': %s\" 2\n", script, strerror(errno));
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fflush(stdout);
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exit(1);
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}
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if (option_verbose > 2)
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ast_verbose(VERBOSE_PREFIX_3 "Launched AGI Script %s\n", script);
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fds[0] = toast[0];
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fds[1] = fromast[1];
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if (efd) {
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*efd = audio[1];
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}
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/* close what we're not using in the parent */
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close(toast[1]);
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close(fromast[0]);
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if (efd) {
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/* [PHM 12/18/03] */
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close(audio[0]);
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}
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*opid = pid;
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return 0;
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}
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static void setup_env(struct ast_channel *chan, char *request, int fd, int enhanced)
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{
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/* Print initial environment, with agi_request always being the first
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thing */
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fdprintf(fd, "agi_request: %s\n", request);
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fdprintf(fd, "agi_channel: %s\n", chan->name);
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fdprintf(fd, "agi_language: %s\n", chan->language);
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fdprintf(fd, "agi_type: %s\n", chan->tech->type);
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fdprintf(fd, "agi_uniqueid: %s\n", chan->uniqueid);
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/* ANI/DNIS */
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fdprintf(fd, "agi_callerid: %s\n", chan->cid.cid_num ? chan->cid.cid_num : "unknown");
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fdprintf(fd, "agi_calleridname: %s\n", chan->cid.cid_name ? chan->cid.cid_name : "unknown");
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fdprintf(fd, "agi_callingpres: %d\n", chan->cid.cid_pres);
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fdprintf(fd, "agi_callingani2: %d\n", chan->cid.cid_ani2);
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fdprintf(fd, "agi_callington: %d\n", chan->cid.cid_ton);
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fdprintf(fd, "agi_callingtns: %d\n", chan->cid.cid_tns);
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fdprintf(fd, "agi_dnid: %s\n", chan->cid.cid_dnid ? chan->cid.cid_dnid : "unknown");
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fdprintf(fd, "agi_rdnis: %s\n", chan->cid.cid_rdnis ? chan->cid.cid_rdnis : "unknown");
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/* Context information */
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fdprintf(fd, "agi_context: %s\n", chan->context);
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fdprintf(fd, "agi_extension: %s\n", chan->exten);
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fdprintf(fd, "agi_priority: %d\n", chan->priority);
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fdprintf(fd, "agi_enhanced: %s\n", enhanced ? "1.0" : "0.0");
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/* User information */
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fdprintf(fd, "agi_accountcode: %s\n", chan->accountcode ? chan->accountcode : "");
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/* End with empty return */
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fdprintf(fd, "\n");
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}
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static int handle_answer(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
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{
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int res;
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res = 0;
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if (chan->_state != AST_STATE_UP) {
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/* Answer the chan */
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res = ast_answer(chan);
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}
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fdprintf(agi->fd, "200 result=%d\n", res);
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if (res >= 0)
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return RESULT_SUCCESS;
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else
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return RESULT_FAILURE;
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}
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static int handle_waitfordigit(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
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{
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int res;
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int to;
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if (argc != 4)
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return RESULT_SHOWUSAGE;
|
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if (sscanf(argv[3], "%d", &to) != 1)
|
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return RESULT_SHOWUSAGE;
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res = ast_waitfordigit_full(chan, to, agi->audio, agi->ctrl);
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fdprintf(agi->fd, "200 result=%d\n", res);
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if (res >= 0)
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return RESULT_SUCCESS;
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else
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return RESULT_FAILURE;
|
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}
|
|
|
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static int handle_sendtext(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
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int res;
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|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
/* At the moment, the parser (perhaps broken) returns with
|
|
the last argument PLUS the newline at the end of the input
|
|
buffer. This probably needs to be fixed, but I wont do that
|
|
because other stuff may break as a result. The right way
|
|
would probably be to strip off the trailing newline before
|
|
parsing, then here, add a newline at the end of the string
|
|
before sending it to ast_sendtext --DUDE */
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res = ast_sendtext(chan, argv[2]);
|
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fdprintf(agi->fd, "200 result=%d\n", res);
|
|
if (res >= 0)
|
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return RESULT_SUCCESS;
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else
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return RESULT_FAILURE;
|
|
}
|
|
|
|
static int handle_recvchar(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res;
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
res = ast_recvchar(chan,atoi(argv[2]));
|
|
if (res == 0) {
|
|
fdprintf(agi->fd, "200 result=%d (timeout)\n", res);
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|
return RESULT_SUCCESS;
|
|
}
|
|
if (res > 0) {
|
|
fdprintf(agi->fd, "200 result=%d\n", res);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
else {
|
|
fdprintf(agi->fd, "200 result=%d (hangup)\n", res);
|
|
return RESULT_FAILURE;
|
|
}
|
|
}
|
|
|
|
static int handle_recvtext(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
char *buf;
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|
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
buf = ast_recvtext(chan,atoi(argv[2]));
|
|
if (buf) {
|
|
fdprintf(agi->fd, "200 result=1 (%s)\n", buf);
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|
free(buf);
|
|
} else {
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fdprintf(agi->fd, "200 result=-1\n");
|
|
}
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_tddmode(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res,x;
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
if (!strncasecmp(argv[2],"on",2))
|
|
x = 1;
|
|
else
|
|
x = 0;
|
|
if (!strncasecmp(argv[2],"mate",4))
|
|
x = 2;
|
|
if (!strncasecmp(argv[2],"tdd",3))
|
|
x = 1;
|
|
res = ast_channel_setoption(chan, AST_OPTION_TDD, &x, sizeof(char), 0);
|
|
if (res != RESULT_SUCCESS)
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
else
|
|
fdprintf(agi->fd, "200 result=1\n");
|
|
return RESULT_SUCCESS;
|
|
}
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|
|
static int handle_sendimage(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res;
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
res = ast_send_image(chan, argv[2]);
|
|
if (!ast_check_hangup(chan))
|
|
res = 0;
|
|
fdprintf(agi->fd, "200 result=%d\n", res);
|
|
if (res >= 0)
|
|
return RESULT_SUCCESS;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
|
|
static int handle_controlstreamfile(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res = 0;
|
|
int skipms = 3000;
|
|
char *fwd = NULL;
|
|
char *rev = NULL;
|
|
char *pause = NULL;
|
|
char *stop = NULL;
|
|
|
|
if (argc < 5 || argc > 9)
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if (!ast_strlen_zero(argv[4]))
|
|
stop = argv[4];
|
|
else
|
|
stop = NULL;
|
|
|
|
if ((argc > 5) && (sscanf(argv[5], "%d", &skipms) != 1))
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if (argc > 6 && !ast_strlen_zero(argv[8]))
|
|
fwd = argv[6];
|
|
else
|
|
fwd = "#";
|
|
|
|
if (argc > 7 && !ast_strlen_zero(argv[8]))
|
|
rev = argv[7];
|
|
else
|
|
rev = "*";
|
|
|
|
if (argc > 8 && !ast_strlen_zero(argv[8]))
|
|
pause = argv[8];
|
|
else
|
|
pause = NULL;
|
|
|
|
res = ast_control_streamfile(chan, argv[3], fwd, rev, stop, pause, NULL, skipms);
|
|
|
|
fdprintf(agi->fd, "200 result=%d\n", res);
|
|
|
|
if (res >= 0)
|
|
return RESULT_SUCCESS;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
|
|
static int handle_streamfile(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res;
|
|
struct ast_filestream *fs;
|
|
long sample_offset = 0;
|
|
long max_length;
|
|
|
|
if (argc < 4)
|
|
return RESULT_SHOWUSAGE;
|
|
if (argc > 5)
|
|
return RESULT_SHOWUSAGE;
|
|
if ((argc > 4) && (sscanf(argv[4], "%ld", &sample_offset) != 1))
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
fs = ast_openstream(chan, argv[2], chan->language);
|
|
if (!fs){
|
|
fdprintf(agi->fd, "200 result=%d endpos=%ld\n", 0, sample_offset);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
ast_seekstream(fs, 0, SEEK_END);
|
|
max_length = ast_tellstream(fs);
|
|
ast_seekstream(fs, sample_offset, SEEK_SET);
|
|
res = ast_applystream(chan, fs);
|
|
res = ast_playstream(fs);
|
|
if (res) {
|
|
fdprintf(agi->fd, "200 result=%d endpos=%ld\n", res, sample_offset);
|
|
if (res >= 0)
|
|
return RESULT_SHOWUSAGE;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
res = ast_waitstream_full(chan, argv[3], agi->audio, agi->ctrl);
|
|
/* this is to check for if ast_waitstream closed the stream, we probably are at
|
|
* the end of the stream, return that amount, else check for the amount */
|
|
sample_offset = (chan->stream) ? ast_tellstream(fs) : max_length;
|
|
ast_stopstream(chan);
|
|
if (res == 1) {
|
|
/* Stop this command, don't print a result line, as there is a new command */
|
|
return RESULT_SUCCESS;
|
|
}
|
|
fdprintf(agi->fd, "200 result=%d endpos=%ld\n", res, sample_offset);
|
|
if (res >= 0)
|
|
return RESULT_SUCCESS;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
|
|
/* get option - really similar to the handle_streamfile, but with a timeout */
|
|
static int handle_getoption(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res;
|
|
struct ast_filestream *fs;
|
|
long sample_offset = 0;
|
|
long max_length;
|
|
int timeout = 0;
|
|
char *edigits = NULL;
|
|
|
|
if ( argc < 4 || argc > 5 )
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if ( argv[3] )
|
|
edigits = argv[3];
|
|
|
|
if ( argc == 5 )
|
|
timeout = atoi(argv[4]);
|
|
else if (chan->pbx->dtimeout) {
|
|
/* by default dtimeout is set to 5sec */
|
|
timeout = chan->pbx->dtimeout * 1000; /* in msec */
|
|
}
|
|
|
|
fs = ast_openstream(chan, argv[2], chan->language);
|
|
if (!fs){
|
|
fdprintf(agi->fd, "200 result=%d endpos=%ld\n", 0, sample_offset);
|
|
ast_log(LOG_WARNING, "Unable to open %s\n", argv[2]);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "Playing '%s' (escape_digits=%s) (timeout %d)\n", argv[2], edigits, timeout);
|
|
|
|
ast_seekstream(fs, 0, SEEK_END);
|
|
max_length = ast_tellstream(fs);
|
|
ast_seekstream(fs, sample_offset, SEEK_SET);
|
|
res = ast_applystream(chan, fs);
|
|
res = ast_playstream(fs);
|
|
if (res) {
|
|
fdprintf(agi->fd, "200 result=%d endpos=%ld\n", res, sample_offset);
|
|
if (res >= 0)
|
|
return RESULT_SHOWUSAGE;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
res = ast_waitstream_full(chan, argv[3], agi->audio, agi->ctrl);
|
|
/* this is to check for if ast_waitstream closed the stream, we probably are at
|
|
* the end of the stream, return that amount, else check for the amount */
|
|
sample_offset = (chan->stream)?ast_tellstream(fs):max_length;
|
|
ast_stopstream(chan);
|
|
if (res == 1) {
|
|
/* Stop this command, don't print a result line, as there is a new command */
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/* If the user didnt press a key, wait for digitTimeout*/
|
|
if (res == 0 ) {
|
|
res = ast_waitfordigit_full(chan, timeout, agi->audio, agi->ctrl);
|
|
/* Make sure the new result is in the escape digits of the GET OPTION */
|
|
if ( !strchr(edigits,res) )
|
|
res=0;
|
|
}
|
|
|
|
fdprintf(agi->fd, "200 result=%d endpos=%ld\n", res, sample_offset);
|
|
if (res >= 0)
|
|
return RESULT_SUCCESS;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
|
|
|
|
|
|
|
|
/*--- handle_saynumber: Say number in various language syntaxes ---*/
|
|
/* Need to add option for gender here as well. Coders wanted */
|
|
/* While waiting, we're sending a (char *) NULL. */
|
|
static int handle_saynumber(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res;
|
|
int num;
|
|
if (argc != 4)
|
|
return RESULT_SHOWUSAGE;
|
|
if (sscanf(argv[2], "%d", &num) != 1)
|
|
return RESULT_SHOWUSAGE;
|
|
res = ast_say_number_full(chan, num, argv[3], chan->language, (char *) NULL, agi->audio, agi->ctrl);
|
|
if (res == 1)
|
|
return RESULT_SUCCESS;
|
|
fdprintf(agi->fd, "200 result=%d\n", res);
|
|
if (res >= 0)
|
|
return RESULT_SUCCESS;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
|
|
static int handle_saydigits(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res;
|
|
int num;
|
|
|
|
if (argc != 4)
|
|
return RESULT_SHOWUSAGE;
|
|
if (sscanf(argv[2], "%d", &num) != 1)
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
res = ast_say_digit_str_full(chan, argv[2], argv[3], chan->language, agi->audio, agi->ctrl);
|
|
if (res == 1) /* New command */
|
|
return RESULT_SUCCESS;
|
|
fdprintf(agi->fd, "200 result=%d\n", res);
|
|
if (res >= 0)
|
|
return RESULT_SUCCESS;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
|
|
static int handle_sayalpha(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res;
|
|
|
|
if (argc != 4)
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
res = ast_say_character_str_full(chan, argv[2], argv[3], chan->language, agi->audio, agi->ctrl);
|
|
if (res == 1) /* New command */
|
|
return RESULT_SUCCESS;
|
|
fdprintf(agi->fd, "200 result=%d\n", res);
|
|
if (res >= 0)
|
|
return RESULT_SUCCESS;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
|
|
static int handle_saydate(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res;
|
|
int num;
|
|
if (argc != 4)
|
|
return RESULT_SHOWUSAGE;
|
|
if (sscanf(argv[2], "%d", &num) != 1)
|
|
return RESULT_SHOWUSAGE;
|
|
res = ast_say_date(chan, num, argv[3], chan->language);
|
|
if (res == 1)
|
|
return RESULT_SUCCESS;
|
|
fdprintf(agi->fd, "200 result=%d\n", res);
|
|
if (res >= 0)
|
|
return RESULT_SUCCESS;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
|
|
static int handle_saytime(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res;
|
|
int num;
|
|
if (argc != 4)
|
|
return RESULT_SHOWUSAGE;
|
|
if (sscanf(argv[2], "%d", &num) != 1)
|
|
return RESULT_SHOWUSAGE;
|
|
res = ast_say_time(chan, num, argv[3], chan->language);
|
|
if (res == 1)
|
|
return RESULT_SUCCESS;
|
|
fdprintf(agi->fd, "200 result=%d\n", res);
|
|
if (res >= 0)
|
|
return RESULT_SUCCESS;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
|
|
static int handle_saydatetime(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res=0;
|
|
long unixtime;
|
|
char *format, *zone=NULL;
|
|
|
|
if (argc < 4)
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if (argc > 4) {
|
|
format = argv[4];
|
|
} else {
|
|
if (!strcasecmp(chan->language, "de")) {
|
|
format = "A dBY HMS";
|
|
} else {
|
|
format = "ABdY 'digits/at' IMp";
|
|
}
|
|
}
|
|
|
|
if (argc > 5 && !ast_strlen_zero(argv[5]))
|
|
zone = argv[5];
|
|
|
|
if (sscanf(argv[2], "%ld", &unixtime) != 1)
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
res = ast_say_date_with_format(chan, (time_t) unixtime, argv[3], chan->language, format, zone);
|
|
if (res == 1)
|
|
return RESULT_SUCCESS;
|
|
|
|
fdprintf(agi->fd, "200 result=%d\n", res);
|
|
|
|
if (res >= 0)
|
|
return RESULT_SUCCESS;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
|
|
static int handle_sayphonetic(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res;
|
|
|
|
if (argc != 4)
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
res = ast_say_phonetic_str_full(chan, argv[2], argv[3], chan->language, agi->audio, agi->ctrl);
|
|
if (res == 1) /* New command */
|
|
return RESULT_SUCCESS;
|
|
fdprintf(agi->fd, "200 result=%d\n", res);
|
|
if (res >= 0)
|
|
return RESULT_SUCCESS;
|
|
else
|
|
return RESULT_FAILURE;
|
|
}
|
|
|
|
static int handle_getdata(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int res;
|
|
char data[1024];
|
|
int max;
|
|
int timeout;
|
|
|
|
if (argc < 3)
|
|
return RESULT_SHOWUSAGE;
|
|
if (argc >= 4)
|
|
timeout = atoi(argv[3]);
|
|
else
|
|
timeout = 0;
|
|
if (argc >= 5)
|
|
max = atoi(argv[4]);
|
|
else
|
|
max = 1024;
|
|
res = ast_app_getdata_full(chan, argv[2], data, max, timeout, agi->audio, agi->ctrl);
|
|
if (res == 2) /* New command */
|
|
return RESULT_SUCCESS;
|
|
else if (res == 1)
|
|
fdprintf(agi->fd, "200 result=%s (timeout)\n", data);
|
|
else if (res < 0 )
|
|
fdprintf(agi->fd, "200 result=-1\n");
|
|
else
|
|
fdprintf(agi->fd, "200 result=%s\n", data);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_setcontext(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
ast_copy_string(chan->context, argv[2], sizeof(chan->context));
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_setextension(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
ast_copy_string(chan->exten, argv[2], sizeof(chan->exten));
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_setpriority(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
int pri;
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if (sscanf(argv[2], "%d", &pri) != 1) {
|
|
if ((pri = ast_findlabel_extension(chan, chan->context, chan->exten, argv[2], chan->cid.cid_num)) < 1)
|
|
return RESULT_SHOWUSAGE;
|
|
}
|
|
|
|
ast_explicit_goto(chan, NULL, NULL, pri);
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_recordfile(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
struct ast_filestream *fs;
|
|
struct ast_frame *f;
|
|
struct timeval start;
|
|
long sample_offset = 0;
|
|
int res = 0;
|
|
int ms;
|
|
|
|
struct ast_dsp *sildet=NULL; /* silence detector dsp */
|
|
int totalsilence = 0;
|
|
int dspsilence = 0;
|
|
int silence = 0; /* amount of silence to allow */
|
|
int gotsilence = 0; /* did we timeout for silence? */
|
|
char *silencestr=NULL;
|
|
int rfmt=0;
|
|
|
|
|
|
/* XXX EAGI FIXME XXX */
|
|
|
|
if (argc < 6)
|
|
return RESULT_SHOWUSAGE;
|
|
if (sscanf(argv[5], "%d", &ms) != 1)
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if (argc > 6)
|
|
silencestr = strchr(argv[6],'s');
|
|
if ((argc > 7) && (!silencestr))
|
|
silencestr = strchr(argv[7],'s');
|
|
if ((argc > 8) && (!silencestr))
|
|
silencestr = strchr(argv[8],'s');
|
|
|
|
if (silencestr) {
|
|
if (strlen(silencestr) > 2) {
|
|
if ((silencestr[0] == 's') && (silencestr[1] == '=')) {
|
|
silencestr++;
|
|
silencestr++;
|
|
if (silencestr)
|
|
silence = atoi(silencestr);
|
|
if (silence > 0)
|
|
silence *= 1000;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (silence > 0) {
|
|
rfmt = chan->readformat;
|
|
res = ast_set_read_format(chan, AST_FORMAT_SLINEAR);
|
|
if (res < 0) {
|
|
ast_log(LOG_WARNING, "Unable to set to linear mode, giving up\n");
|
|
return -1;
|
|
}
|
|
sildet = ast_dsp_new();
|
|
if (!sildet) {
|
|
ast_log(LOG_WARNING, "Unable to create silence detector :(\n");
|
|
return -1;
|
|
}
|
|
ast_dsp_set_threshold(sildet, 256);
|
|
}
|
|
|
|
/* backward compatibility, if no offset given, arg[6] would have been
|
|
* caught below and taken to be a beep, else if it is a digit then it is a
|
|
* offset */
|
|
if ((argc >6) && (sscanf(argv[6], "%ld", &sample_offset) != 1) && (!strchr(argv[6], '=')))
|
|
res = ast_streamfile(chan, "beep", chan->language);
|
|
|
|
if ((argc > 7) && (!strchr(argv[7], '=')))
|
|
res = ast_streamfile(chan, "beep", chan->language);
|
|
|
|
if (!res)
|
|
res = ast_waitstream(chan, argv[4]);
|
|
if (res) {
|
|
fdprintf(agi->fd, "200 result=%d (randomerror) endpos=%ld\n", res, sample_offset);
|
|
} else {
|
|
fs = ast_writefile(argv[2], argv[3], NULL, O_CREAT | O_WRONLY | (sample_offset ? O_APPEND : 0), 0, 0644);
|
|
if (!fs) {
|
|
res = -1;
|
|
fdprintf(agi->fd, "200 result=%d (writefile)\n", res);
|
|
if (sildet)
|
|
ast_dsp_free(sildet);
|
|
return RESULT_FAILURE;
|
|
}
|
|
|
|
chan->stream = fs;
|
|
ast_applystream(chan,fs);
|
|
/* really should have checks */
|
|
ast_seekstream(fs, sample_offset, SEEK_SET);
|
|
ast_truncstream(fs);
|
|
|
|
start = ast_tvnow();
|
|
while ((ms < 0) || ast_tvdiff_ms(ast_tvnow(), start) < ms) {
|
|
res = ast_waitfor(chan, -1);
|
|
if (res < 0) {
|
|
ast_closestream(fs);
|
|
fdprintf(agi->fd, "200 result=%d (waitfor) endpos=%ld\n", res,sample_offset);
|
|
if (sildet)
|
|
ast_dsp_free(sildet);
|
|
return RESULT_FAILURE;
|
|
}
|
|
f = ast_read(chan);
|
|
if (!f) {
|
|
fdprintf(agi->fd, "200 result=%d (hangup) endpos=%ld\n", 0, sample_offset);
|
|
ast_closestream(fs);
|
|
if (sildet)
|
|
ast_dsp_free(sildet);
|
|
return RESULT_FAILURE;
|
|
}
|
|
switch(f->frametype) {
|
|
case AST_FRAME_DTMF:
|
|
if (strchr(argv[4], f->subclass)) {
|
|
/* This is an interrupting chracter, so rewind to chop off any small
|
|
amount of DTMF that may have been recorded
|
|
*/
|
|
ast_stream_rewind(fs, 200);
|
|
ast_truncstream(fs);
|
|
sample_offset = ast_tellstream(fs);
|
|
fdprintf(agi->fd, "200 result=%d (dtmf) endpos=%ld\n", f->subclass, sample_offset);
|
|
ast_closestream(fs);
|
|
ast_frfree(f);
|
|
if (sildet)
|
|
ast_dsp_free(sildet);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
break;
|
|
case AST_FRAME_VOICE:
|
|
ast_writestream(fs, f);
|
|
/* this is a safe place to check progress since we know that fs
|
|
* is valid after a write, and it will then have our current
|
|
* location */
|
|
sample_offset = ast_tellstream(fs);
|
|
if (silence > 0) {
|
|
dspsilence = 0;
|
|
ast_dsp_silence(sildet, f, &dspsilence);
|
|
if (dspsilence) {
|
|
totalsilence = dspsilence;
|
|
} else {
|
|
totalsilence = 0;
|
|
}
|
|
if (totalsilence > silence) {
|
|
/* Ended happily with silence */
|
|
ast_frfree(f);
|
|
gotsilence = 1;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
ast_frfree(f);
|
|
if (gotsilence)
|
|
break;
|
|
}
|
|
|
|
if (gotsilence) {
|
|
ast_stream_rewind(fs, silence-1000);
|
|
ast_truncstream(fs);
|
|
sample_offset = ast_tellstream(fs);
|
|
}
|
|
fdprintf(agi->fd, "200 result=%d (timeout) endpos=%ld\n", res, sample_offset);
|
|
ast_closestream(fs);
|
|
}
|
|
|
|
if (silence > 0) {
|
|
res = ast_set_read_format(chan, rfmt);
|
|
if (res)
|
|
ast_log(LOG_WARNING, "Unable to restore read format on '%s'\n", chan->name);
|
|
ast_dsp_free(sildet);
|
|
}
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_autohangup(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
int timeout;
|
|
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
if (sscanf(argv[2], "%d", &timeout) != 1)
|
|
return RESULT_SHOWUSAGE;
|
|
if (timeout < 0)
|
|
timeout = 0;
|
|
if (timeout)
|
|
chan->whentohangup = time(NULL) + timeout;
|
|
else
|
|
chan->whentohangup = 0;
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_hangup(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
struct ast_channel *c;
|
|
if (argc == 1) {
|
|
/* no argument: hangup the current channel */
|
|
ast_softhangup(chan,AST_SOFTHANGUP_EXPLICIT);
|
|
fdprintf(agi->fd, "200 result=1\n");
|
|
return RESULT_SUCCESS;
|
|
} else if (argc == 2) {
|
|
/* one argument: look for info on the specified channel */
|
|
c = ast_get_channel_by_name_locked(argv[1]);
|
|
if (c) {
|
|
/* we have a matching channel */
|
|
ast_softhangup(c,AST_SOFTHANGUP_EXPLICIT);
|
|
fdprintf(agi->fd, "200 result=1\n");
|
|
ast_mutex_unlock(&c->lock);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
/* if we get this far no channel name matched the argument given */
|
|
fdprintf(agi->fd, "200 result=-1\n");
|
|
return RESULT_SUCCESS;
|
|
} else {
|
|
return RESULT_SHOWUSAGE;
|
|
}
|
|
}
|
|
|
|
static int handle_exec(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
int res;
|
|
struct ast_app *app;
|
|
|
|
if (argc < 2)
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "AGI Script Executing Application: (%s) Options: (%s)\n", argv[1], argv[2]);
|
|
|
|
app = pbx_findapp(argv[1]);
|
|
|
|
if (app) {
|
|
res = pbx_exec(chan, app, argv[2], 1);
|
|
} else {
|
|
ast_log(LOG_WARNING, "Could not find application (%s)\n", argv[1]);
|
|
res = -2;
|
|
}
|
|
fdprintf(agi->fd, "200 result=%d\n", res);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int handle_setcallerid(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
char tmp[256]="";
|
|
char *l = NULL, *n = NULL;
|
|
|
|
if (argv[2]) {
|
|
ast_copy_string(tmp, argv[2], sizeof(tmp));
|
|
ast_callerid_parse(tmp, &n, &l);
|
|
if (l)
|
|
ast_shrink_phone_number(l);
|
|
else
|
|
l = "";
|
|
if (!n)
|
|
n = "";
|
|
ast_set_callerid(chan, l, n, NULL);
|
|
}
|
|
|
|
fdprintf(agi->fd, "200 result=1\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_channelstatus(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
struct ast_channel *c;
|
|
if (argc == 2) {
|
|
/* no argument: supply info on the current channel */
|
|
fdprintf(agi->fd, "200 result=%d\n", chan->_state);
|
|
return RESULT_SUCCESS;
|
|
} else if (argc == 3) {
|
|
/* one argument: look for info on the specified channel */
|
|
c = ast_get_channel_by_name_locked(argv[2]);
|
|
if (c) {
|
|
fdprintf(agi->fd, "200 result=%d\n", c->_state);
|
|
ast_mutex_unlock(&c->lock);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
/* if we get this far no channel name matched the argument given */
|
|
fdprintf(agi->fd, "200 result=-1\n");
|
|
return RESULT_SUCCESS;
|
|
} else {
|
|
return RESULT_SHOWUSAGE;
|
|
}
|
|
}
|
|
|
|
static int handle_setvariable(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
if (argv[3])
|
|
pbx_builtin_setvar_helper(chan, argv[2], argv[3]);
|
|
|
|
fdprintf(agi->fd, "200 result=1\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_getvariable(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
char *ret;
|
|
char tempstr[1024];
|
|
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
/* check if we want to execute an ast_custom_function */
|
|
if (!ast_strlen_zero(argv[2]) && (argv[2][strlen(argv[2]) - 1] == ')')) {
|
|
ret = ast_func_read(chan, argv[2], tempstr, sizeof(tempstr));
|
|
} else {
|
|
pbx_retrieve_variable(chan, argv[2], &ret, tempstr, sizeof(tempstr), NULL);
|
|
}
|
|
|
|
if (ret)
|
|
fdprintf(agi->fd, "200 result=1 (%s)\n", ret);
|
|
else
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_getvariablefull(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
char tmp[4096] = "";
|
|
struct ast_channel *chan2=NULL;
|
|
|
|
if ((argc != 4) && (argc != 5))
|
|
return RESULT_SHOWUSAGE;
|
|
if (argc == 5) {
|
|
chan2 = ast_get_channel_by_name_locked(argv[4]);
|
|
} else {
|
|
chan2 = chan;
|
|
}
|
|
if (chan) { /* XXX isn't this chan2 ? */
|
|
pbx_substitute_variables_helper(chan2, argv[3], tmp, sizeof(tmp) - 1);
|
|
fdprintf(agi->fd, "200 result=1 (%s)\n", tmp);
|
|
} else {
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
}
|
|
if (chan2 && (chan2 != chan))
|
|
ast_mutex_unlock(&chan2->lock);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_verbose(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
int level = 0;
|
|
char *prefix;
|
|
|
|
if (argc < 2)
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if (argv[2])
|
|
sscanf(argv[2], "%d", &level);
|
|
|
|
switch (level) {
|
|
case 4:
|
|
prefix = VERBOSE_PREFIX_4;
|
|
break;
|
|
case 3:
|
|
prefix = VERBOSE_PREFIX_3;
|
|
break;
|
|
case 2:
|
|
prefix = VERBOSE_PREFIX_2;
|
|
break;
|
|
case 1:
|
|
default:
|
|
prefix = VERBOSE_PREFIX_1;
|
|
break;
|
|
}
|
|
|
|
if (level <= option_verbose)
|
|
ast_verbose("%s %s: %s\n", prefix, chan->data, argv[1]);
|
|
|
|
fdprintf(agi->fd, "200 result=1\n");
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_dbget(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
int res;
|
|
char tmp[256];
|
|
|
|
if (argc != 4)
|
|
return RESULT_SHOWUSAGE;
|
|
res = ast_db_get(argv[2], argv[3], tmp, sizeof(tmp));
|
|
if (res)
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
else
|
|
fdprintf(agi->fd, "200 result=1 (%s)\n", tmp);
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_dbput(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
int res;
|
|
|
|
if (argc != 5)
|
|
return RESULT_SHOWUSAGE;
|
|
res = ast_db_put(argv[2], argv[3], argv[4]);
|
|
if (res)
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
else
|
|
fdprintf(agi->fd, "200 result=1\n");
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_dbdel(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
int res;
|
|
|
|
if (argc != 4)
|
|
return RESULT_SHOWUSAGE;
|
|
res = ast_db_del(argv[2], argv[3]);
|
|
if (res)
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
else
|
|
fdprintf(agi->fd, "200 result=1\n");
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_dbdeltree(struct ast_channel *chan, AGI *agi, int argc, char **argv)
|
|
{
|
|
int res;
|
|
if ((argc < 3) || (argc > 4))
|
|
return RESULT_SHOWUSAGE;
|
|
if (argc == 4)
|
|
res = ast_db_deltree(argv[2], argv[3]);
|
|
else
|
|
res = ast_db_deltree(argv[2], NULL);
|
|
|
|
if (res)
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
else
|
|
fdprintf(agi->fd, "200 result=1\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static char debug_usage[] =
|
|
"Usage: agi debug\n"
|
|
" Enables dumping of AGI transactions for debugging purposes\n";
|
|
|
|
static char no_debug_usage[] =
|
|
"Usage: agi no debug\n"
|
|
" Disables dumping of AGI transactions for debugging purposes\n";
|
|
|
|
static int agi_do_debug(int fd, int argc, char *argv[])
|
|
{
|
|
if (argc != 2)
|
|
return RESULT_SHOWUSAGE;
|
|
agidebug = 1;
|
|
ast_cli(fd, "AGI Debugging Enabled\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int agi_no_debug(int fd, int argc, char *argv[])
|
|
{
|
|
if (argc != 3)
|
|
return RESULT_SHOWUSAGE;
|
|
agidebug = 0;
|
|
ast_cli(fd, "AGI Debugging Disabled\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static struct ast_cli_entry cli_debug =
|
|
{ { "agi", "debug", NULL }, agi_do_debug, "Enable AGI debugging", debug_usage };
|
|
|
|
static struct ast_cli_entry cli_no_debug =
|
|
{ { "agi", "no", "debug", NULL }, agi_no_debug, "Disable AGI debugging", no_debug_usage };
|
|
|
|
static int handle_noop(struct ast_channel *chan, AGI *agi, int arg, char *argv[])
|
|
{
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_setmusic(struct ast_channel *chan, AGI *agi, int argc, char *argv[])
|
|
{
|
|
if (!strncasecmp(argv[2],"on",2)) {
|
|
if (argc > 3)
|
|
ast_moh_start(chan, argv[3]);
|
|
else
|
|
ast_moh_start(chan, NULL);
|
|
}
|
|
if (!strncasecmp(argv[2],"off",3)) {
|
|
ast_moh_stop(chan);
|
|
}
|
|
fdprintf(agi->fd, "200 result=0\n");
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static char usage_setmusic[] =
|
|
" Usage: SET MUSIC ON <on|off> <class>\n"
|
|
" Enables/Disables the music on hold generator. If <class> is\n"
|
|
" not specified, then the default music on hold class will be used.\n"
|
|
" Always returns 0.\n";
|
|
|
|
static char usage_dbput[] =
|
|
" Usage: DATABASE PUT <family> <key> <value>\n"
|
|
" Adds or updates an entry in the Asterisk database for a\n"
|
|
" given family, key, and value.\n"
|
|
" Returns 1 if successful, 0 otherwise.\n";
|
|
|
|
static char usage_dbget[] =
|
|
" Usage: DATABASE GET <family> <key>\n"
|
|
" Retrieves an entry in the Asterisk database for a\n"
|
|
" given family and key.\n"
|
|
" Returns 0 if <key> is not set. Returns 1 if <key>\n"
|
|
" is set and returns the variable in parentheses.\n"
|
|
" Example return code: 200 result=1 (testvariable)\n";
|
|
|
|
static char usage_dbdel[] =
|
|
" Usage: DATABASE DEL <family> <key>\n"
|
|
" Deletes an entry in the Asterisk database for a\n"
|
|
" given family and key.\n"
|
|
" Returns 1 if successful, 0 otherwise.\n";
|
|
|
|
static char usage_dbdeltree[] =
|
|
" Usage: DATABASE DELTREE <family> [keytree]\n"
|
|
" Deletes a family or specific keytree within a family\n"
|
|
" in the Asterisk database.\n"
|
|
" Returns 1 if successful, 0 otherwise.\n";
|
|
|
|
static char usage_verbose[] =
|
|
" Usage: VERBOSE <message> <level>\n"
|
|
" Sends <message> to the console via verbose message system.\n"
|
|
" <level> is the the verbose level (1-4)\n"
|
|
" Always returns 1.\n";
|
|
|
|
static char usage_getvariable[] =
|
|
" Usage: GET VARIABLE <variablename>\n"
|
|
" Returns 0 if <variablename> is not set. Returns 1 if <variablename>\n"
|
|
" is set and returns the variable in parentheses.\n"
|
|
" example return code: 200 result=1 (testvariable)\n";
|
|
|
|
static char usage_getvariablefull[] =
|
|
" Usage: GET FULL VARIABLE <variablename> [<channel name>]\n"
|
|
" Returns 0 if <variablename> is not set or channel does not exist. Returns 1\n"
|
|
"if <variablename> is set and returns the variable in parenthesis. Understands\n"
|
|
"complex variable names and builtin variables, unlike GET VARIABLE.\n"
|
|
" example return code: 200 result=1 (testvariable)\n";
|
|
|
|
static char usage_setvariable[] =
|
|
" Usage: SET VARIABLE <variablename> <value>\n";
|
|
|
|
static char usage_channelstatus[] =
|
|
" Usage: CHANNEL STATUS [<channelname>]\n"
|
|
" Returns the status of the specified channel.\n"
|
|
" If no channel name is given the returns the status of the\n"
|
|
" current channel. Return values:\n"
|
|
" 0 Channel is down and available\n"
|
|
" 1 Channel is down, but reserved\n"
|
|
" 2 Channel is off hook\n"
|
|
" 3 Digits (or equivalent) have been dialed\n"
|
|
" 4 Line is ringing\n"
|
|
" 5 Remote end is ringing\n"
|
|
" 6 Line is up\n"
|
|
" 7 Line is busy\n";
|
|
|
|
static char usage_setcallerid[] =
|
|
" Usage: SET CALLERID <number>\n"
|
|
" Changes the callerid of the current channel.\n";
|
|
|
|
static char usage_exec[] =
|
|
" Usage: EXEC <application> <options>\n"
|
|
" Executes <application> with given <options>.\n"
|
|
" Returns whatever the application returns, or -2 on failure to find application\n";
|
|
|
|
static char usage_hangup[] =
|
|
" Usage: HANGUP [<channelname>]\n"
|
|
" Hangs up the specified channel.\n"
|
|
" If no channel name is given, hangs up the current channel\n";
|
|
|
|
static char usage_answer[] =
|
|
" Usage: ANSWER\n"
|
|
" Answers channel if not already in answer state. Returns -1 on\n"
|
|
" channel failure, or 0 if successful.\n";
|
|
|
|
static char usage_waitfordigit[] =
|
|
" Usage: WAIT FOR DIGIT <timeout>\n"
|
|
" Waits up to 'timeout' milliseconds for channel to receive a DTMF digit.\n"
|
|
" Returns -1 on channel failure, 0 if no digit is received in the timeout, or\n"
|
|
" the numerical value of the ascii of the digit if one is received. Use -1\n"
|
|
" for the timeout value if you desire the call to block indefinitely.\n";
|
|
|
|
static char usage_sendtext[] =
|
|
" Usage: SEND TEXT \"<text to send>\"\n"
|
|
" Sends the given text on a channel. Most channels do not support the\n"
|
|
" transmission of text. Returns 0 if text is sent, or if the channel does not\n"
|
|
" support text transmission. Returns -1 only on error/hangup. Text\n"
|
|
" consisting of greater than one word should be placed in quotes since the\n"
|
|
" command only accepts a single argument.\n";
|
|
|
|
static char usage_recvchar[] =
|
|
" Usage: RECEIVE CHAR <timeout>\n"
|
|
" Receives a character of text on a channel. Specify timeout to be the\n"
|
|
" maximum time to wait for input in milliseconds, or 0 for infinite. Most channels\n"
|
|
" do not support the reception of text. Returns the decimal value of the character\n"
|
|
" if one is received, or 0 if the channel does not support text reception. Returns\n"
|
|
" -1 only on error/hangup.\n";
|
|
|
|
static char usage_recvtext[] =
|
|
" Usage: RECEIVE TEXT <timeout>\n"
|
|
" Receives a string of text on a channel. Specify timeout to be the\n"
|
|
" maximum time to wait for input in milliseconds, or 0 for infinite. Most channels\n"
|
|
" do not support the reception of text. Returns -1 for failure or 1 for success, and the string in parentheses.\n";
|
|
|
|
static char usage_tddmode[] =
|
|
" Usage: TDD MODE <on|off>\n"
|
|
" Enable/Disable TDD transmission/reception on a channel. Returns 1 if\n"
|
|
" successful, or 0 if channel is not TDD-capable.\n";
|
|
|
|
static char usage_sendimage[] =
|
|
" Usage: SEND IMAGE <image>\n"
|
|
" Sends the given image on a channel. Most channels do not support the\n"
|
|
" transmission of images. Returns 0 if image is sent, or if the channel does not\n"
|
|
" support image transmission. Returns -1 only on error/hangup. Image names\n"
|
|
" should not include extensions.\n";
|
|
|
|
static char usage_streamfile[] =
|
|
" Usage: STREAM FILE <filename> <escape digits> [sample offset]\n"
|
|
" Send the given file, allowing playback to be interrupted by the given\n"
|
|
" digits, if any. Use double quotes for the digits if you wish none to be\n"
|
|
" permitted. If sample offset is provided then the audio will seek to sample\n"
|
|
" offset before play starts. Returns 0 if playback completes without a digit\n"
|
|
" being pressed, or the ASCII numerical value of the digit if one was pressed,\n"
|
|
" or -1 on error or if the channel was disconnected. Remember, the file\n"
|
|
" extension must not be included in the filename.\n";
|
|
|
|
static char usage_controlstreamfile[] =
|
|
" Usage: CONTROL STREAM FILE <filename> <escape digits> [skipms] [ffchar] [rewchr] [pausechr]\n"
|
|
" Send the given file, allowing playback to be controled by the given\n"
|
|
" digits, if any. Use double quotes for the digits if you wish none to be\n"
|
|
" permitted. Returns 0 if playback completes without a digit\n"
|
|
" being pressed, or the ASCII numerical value of the digit if one was pressed,\n"
|
|
" or -1 on error or if the channel was disconnected. Remember, the file\n"
|
|
" extension must not be included in the filename.\n\n"
|
|
" Note: ffchar and rewchar default to * and # respectively.\n";
|
|
|
|
static char usage_getoption[] =
|
|
" Usage: GET OPTION <filename> <escape_digits> [timeout]\n"
|
|
" Behaves similar to STREAM FILE but used with a timeout option.\n";
|
|
|
|
static char usage_saynumber[] =
|
|
" Usage: SAY NUMBER <number> <escape digits>\n"
|
|
" Say a given number, returning early if any of the given DTMF digits\n"
|
|
" are received on the channel. Returns 0 if playback completes without a digit\n"
|
|
" being pressed, or the ASCII numerical value of the digit if one was pressed or\n"
|
|
" -1 on error/hangup.\n";
|
|
|
|
static char usage_saydigits[] =
|
|
" Usage: SAY DIGITS <number> <escape digits>\n"
|
|
" Say a given digit string, returning early if any of the given DTMF digits\n"
|
|
" are received on the channel. Returns 0 if playback completes without a digit\n"
|
|
" being pressed, or the ASCII numerical value of the digit if one was pressed or\n"
|
|
" -1 on error/hangup.\n";
|
|
|
|
static char usage_sayalpha[] =
|
|
" Usage: SAY ALPHA <number> <escape digits>\n"
|
|
" Say a given character string, returning early if any of the given DTMF digits\n"
|
|
" are received on the channel. Returns 0 if playback completes without a digit\n"
|
|
" being pressed, or the ASCII numerical value of the digit if one was pressed or\n"
|
|
" -1 on error/hangup.\n";
|
|
|
|
static char usage_saydate[] =
|
|
" Usage: SAY DATE <date> <escape digits>\n"
|
|
" Say a given date, returning early if any of the given DTMF digits are\n"
|
|
" received on the channel. <date> is number of seconds elapsed since 00:00:00\n"
|
|
" on January 1, 1970, Coordinated Universal Time (UTC). Returns 0 if playback\n"
|
|
" completes without a digit being pressed, or the ASCII numerical value of the\n"
|
|
" digit if one was pressed or -1 on error/hangup.\n";
|
|
|
|
static char usage_saytime[] =
|
|
" Usage: SAY TIME <time> <escape digits>\n"
|
|
" Say a given time, returning early if any of the given DTMF digits are\n"
|
|
" received on the channel. <time> is number of seconds elapsed since 00:00:00\n"
|
|
" on January 1, 1970, Coordinated Universal Time (UTC). Returns 0 if playback\n"
|
|
" completes without a digit being pressed, or the ASCII numerical value of the\n"
|
|
" digit if one was pressed or -1 on error/hangup.\n";
|
|
|
|
static char usage_saydatetime[] =
|
|
" Usage: SAY DATETIME <time> <escape digits> [format] [timezone]\n"
|
|
" Say a given time, returning early if any of the given DTMF digits are\n"
|
|
" received on the channel. <time> is number of seconds elapsed since 00:00:00\n"
|
|
" on January 1, 1970, Coordinated Universal Time (UTC). [format] is the format\n"
|
|
" the time should be said in. See voicemail.conf (defaults to \"ABdY\n"
|
|
" 'digits/at' IMp\"). Acceptable values for [timezone] can be found in\n"
|
|
" /usr/share/zoneinfo. Defaults to machine default. Returns 0 if playback\n"
|
|
" completes without a digit being pressed, or the ASCII numerical value of the\n"
|
|
" digit if one was pressed or -1 on error/hangup.\n";
|
|
|
|
static char usage_sayphonetic[] =
|
|
" Usage: SAY PHONETIC <string> <escape digits>\n"
|
|
" Say a given character string with phonetics, returning early if any of the\n"
|
|
" given DTMF digits are received on the channel. Returns 0 if playback\n"
|
|
" completes without a digit pressed, the ASCII numerical value of the digit\n"
|
|
" if one was pressed, or -1 on error/hangup.\n";
|
|
|
|
static char usage_getdata[] =
|
|
" Usage: GET DATA <file to be streamed> [timeout] [max digits]\n"
|
|
" Stream the given file, and recieve DTMF data. Returns the digits received\n"
|
|
"from the channel at the other end.\n";
|
|
|
|
static char usage_setcontext[] =
|
|
" Usage: SET CONTEXT <desired context>\n"
|
|
" Sets the context for continuation upon exiting the application.\n";
|
|
|
|
static char usage_setextension[] =
|
|
" Usage: SET EXTENSION <new extension>\n"
|
|
" Changes the extension for continuation upon exiting the application.\n";
|
|
|
|
static char usage_setpriority[] =
|
|
" Usage: SET PRIORITY <priority>\n"
|
|
" Changes the priority for continuation upon exiting the application.\n"
|
|
" The priority must be a valid priority or label.\n";
|
|
|
|
static char usage_recordfile[] =
|
|
" Usage: RECORD FILE <filename> <format> <escape digits> <timeout> \\\n"
|
|
" [offset samples] [BEEP] [s=silence]\n"
|
|
" Record to a file until a given dtmf digit in the sequence is received\n"
|
|
" Returns -1 on hangup or error. The format will specify what kind of file\n"
|
|
" will be recorded. The timeout is the maximum record time in milliseconds, or\n"
|
|
" -1 for no timeout. \"Offset samples\" is optional, and, if provided, will seek\n"
|
|
" to the offset without exceeding the end of the file. \"silence\" is the number\n"
|
|
" of seconds of silence allowed before the function returns despite the\n"
|
|
" lack of dtmf digits or reaching timeout. Silence value must be\n"
|
|
" preceeded by \"s=\" and is also optional.\n";
|
|
|
|
static char usage_autohangup[] =
|
|
" Usage: SET AUTOHANGUP <time>\n"
|
|
" Cause the channel to automatically hangup at <time> seconds in the\n"
|
|
" future. Of course it can be hungup before then as well. Setting to 0 will\n"
|
|
" cause the autohangup feature to be disabled on this channel.\n";
|
|
|
|
static char usage_noop[] =
|
|
" Usage: NoOp\n"
|
|
" Does nothing.\n";
|
|
|
|
static agi_command commands[MAX_COMMANDS] = {
|
|
{ { "answer", NULL }, handle_answer, "Answer channel", usage_answer },
|
|
{ { "channel", "status", NULL }, handle_channelstatus, "Returns status of the connected channel", usage_channelstatus },
|
|
{ { "database", "del", NULL }, handle_dbdel, "Removes database key/value", usage_dbdel },
|
|
{ { "database", "deltree", NULL }, handle_dbdeltree, "Removes database keytree/value", usage_dbdeltree },
|
|
{ { "database", "get", NULL }, handle_dbget, "Gets database value", usage_dbget },
|
|
{ { "database", "put", NULL }, handle_dbput, "Adds/updates database value", usage_dbput },
|
|
{ { "exec", NULL }, handle_exec, "Executes a given Application", usage_exec },
|
|
{ { "get", "data", NULL }, handle_getdata, "Prompts for DTMF on a channel", usage_getdata },
|
|
{ { "get", "full", "variable", NULL }, handle_getvariablefull, "Evaluates a channel expression", usage_getvariablefull },
|
|
{ { "get", "option", NULL }, handle_getoption, "Stream file, prompt for DTMF, with timeout", usage_getoption },
|
|
{ { "get", "variable", NULL }, handle_getvariable, "Gets a channel variable", usage_getvariable },
|
|
{ { "hangup", NULL }, handle_hangup, "Hangup the current channel", usage_hangup },
|
|
{ { "noop", NULL }, handle_noop, "Does nothing", usage_noop },
|
|
{ { "receive", "char", NULL }, handle_recvchar, "Receives one character from channels supporting it", usage_recvchar },
|
|
{ { "receive", "text", NULL }, handle_recvtext, "Receives text from channels supporting it", usage_recvtext },
|
|
{ { "record", "file", NULL }, handle_recordfile, "Records to a given file", usage_recordfile },
|
|
{ { "say", "alpha", NULL }, handle_sayalpha, "Says a given character string", usage_sayalpha },
|
|
{ { "say", "digits", NULL }, handle_saydigits, "Says a given digit string", usage_saydigits },
|
|
{ { "say", "number", NULL }, handle_saynumber, "Says a given number", usage_saynumber },
|
|
{ { "say", "phonetic", NULL }, handle_sayphonetic, "Says a given character string with phonetics", usage_sayphonetic },
|
|
{ { "say", "date", NULL }, handle_saydate, "Says a given date", usage_saydate },
|
|
{ { "say", "time", NULL }, handle_saytime, "Says a given time", usage_saytime },
|
|
{ { "say", "datetime", NULL }, handle_saydatetime, "Says a given time as specfied by the format given", usage_saydatetime },
|
|
{ { "send", "image", NULL }, handle_sendimage, "Sends images to channels supporting it", usage_sendimage },
|
|
{ { "send", "text", NULL }, handle_sendtext, "Sends text to channels supporting it", usage_sendtext },
|
|
{ { "set", "autohangup", NULL }, handle_autohangup, "Autohangup channel in some time", usage_autohangup },
|
|
{ { "set", "callerid", NULL }, handle_setcallerid, "Sets callerid for the current channel", usage_setcallerid },
|
|
{ { "set", "context", NULL }, handle_setcontext, "Sets channel context", usage_setcontext },
|
|
{ { "set", "extension", NULL }, handle_setextension, "Changes channel extension", usage_setextension },
|
|
{ { "set", "music", NULL }, handle_setmusic, "Enable/Disable Music on hold generator", usage_setmusic },
|
|
{ { "set", "priority", NULL }, handle_setpriority, "Set channel dialplan priority", usage_setpriority },
|
|
{ { "set", "variable", NULL }, handle_setvariable, "Sets a channel variable", usage_setvariable },
|
|
{ { "stream", "file", NULL }, handle_streamfile, "Sends audio file on channel", usage_streamfile },
|
|
{ { "control", "stream", "file", NULL }, handle_controlstreamfile, "Sends audio file on channel and allows the listner to control the stream", usage_controlstreamfile },
|
|
{ { "tdd", "mode", NULL }, handle_tddmode, "Toggles TDD mode (for the deaf)", usage_tddmode },
|
|
{ { "verbose", NULL }, handle_verbose, "Logs a message to the asterisk verbose log", usage_verbose },
|
|
{ { "wait", "for", "digit", NULL }, handle_waitfordigit, "Waits for a digit to be pressed", usage_waitfordigit },
|
|
};
|
|
|
|
static int help_workhorse(int fd, char *match[])
|
|
{
|
|
char fullcmd[80];
|
|
char matchstr[80];
|
|
int x;
|
|
struct agi_command *e;
|
|
if (match)
|
|
ast_join(matchstr, sizeof(matchstr), match);
|
|
for (x=0;x<sizeof(commands)/sizeof(commands[0]);x++) {
|
|
e = &commands[x];
|
|
if (!e->cmda[0])
|
|
break;
|
|
/* Hide commands that start with '_' */
|
|
if ((e->cmda[0])[0] == '_')
|
|
continue;
|
|
ast_join(fullcmd, sizeof(fullcmd), e->cmda);
|
|
if (match && strncasecmp(matchstr, fullcmd, strlen(matchstr)))
|
|
continue;
|
|
ast_cli(fd, "%20.20s %s\n", fullcmd, e->summary);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int agi_register(agi_command *agi)
|
|
{
|
|
int x;
|
|
for (x=0; x<MAX_COMMANDS - 1; x++) {
|
|
if (commands[x].cmda[0] == agi->cmda[0]) {
|
|
ast_log(LOG_WARNING, "Command already registered!\n");
|
|
return -1;
|
|
}
|
|
}
|
|
for (x=0; x<MAX_COMMANDS - 1; x++) {
|
|
if (!commands[x].cmda[0]) {
|
|
commands[x] = *agi;
|
|
return 0;
|
|
}
|
|
}
|
|
ast_log(LOG_WARNING, "No more room for new commands!\n");
|
|
return -1;
|
|
}
|
|
|
|
void agi_unregister(agi_command *agi)
|
|
{
|
|
int x;
|
|
for (x=0; x<MAX_COMMANDS - 1; x++) {
|
|
if (commands[x].cmda[0] == agi->cmda[0]) {
|
|
memset(&commands[x], 0, sizeof(agi_command));
|
|
}
|
|
}
|
|
}
|
|
|
|
static agi_command *find_command(char *cmds[], int exact)
|
|
{
|
|
int x;
|
|
int y;
|
|
int match;
|
|
|
|
for (x=0; x < sizeof(commands) / sizeof(commands[0]); x++) {
|
|
if (!commands[x].cmda[0])
|
|
break;
|
|
/* start optimistic */
|
|
match = 1;
|
|
for (y=0; match && cmds[y]; y++) {
|
|
/* If there are no more words in the command (and we're looking for
|
|
an exact match) or there is a difference between the two words,
|
|
then this is not a match */
|
|
if (!commands[x].cmda[y] && !exact)
|
|
break;
|
|
/* don't segfault if the next part of a command doesn't exist */
|
|
if (!commands[x].cmda[y])
|
|
return NULL;
|
|
if (strcasecmp(commands[x].cmda[y], cmds[y]))
|
|
match = 0;
|
|
}
|
|
/* If more words are needed to complete the command then this is not
|
|
a candidate (unless we're looking for a really inexact answer */
|
|
if ((exact > -1) && commands[x].cmda[y])
|
|
match = 0;
|
|
if (match)
|
|
return &commands[x];
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static int parse_args(char *s, int *max, char *argv[])
|
|
{
|
|
int x=0;
|
|
int quoted=0;
|
|
int escaped=0;
|
|
int whitespace=1;
|
|
char *cur;
|
|
|
|
cur = s;
|
|
while(*s) {
|
|
switch(*s) {
|
|
case '"':
|
|
/* If it's escaped, put a literal quote */
|
|
if (escaped)
|
|
goto normal;
|
|
else
|
|
quoted = !quoted;
|
|
if (quoted && whitespace) {
|
|
/* If we're starting a quote, coming off white space start a new word, too */
|
|
argv[x++] = cur;
|
|
whitespace=0;
|
|
}
|
|
escaped = 0;
|
|
break;
|
|
case ' ':
|
|
case '\t':
|
|
if (!quoted && !escaped) {
|
|
/* If we're not quoted, mark this as whitespace, and
|
|
end the previous argument */
|
|
whitespace = 1;
|
|
*(cur++) = '\0';
|
|
} else
|
|
/* Otherwise, just treat it as anything else */
|
|
goto normal;
|
|
break;
|
|
case '\\':
|
|
/* If we're escaped, print a literal, otherwise enable escaping */
|
|
if (escaped) {
|
|
goto normal;
|
|
} else {
|
|
escaped=1;
|
|
}
|
|
break;
|
|
default:
|
|
normal:
|
|
if (whitespace) {
|
|
if (x >= MAX_ARGS -1) {
|
|
ast_log(LOG_WARNING, "Too many arguments, truncating\n");
|
|
break;
|
|
}
|
|
/* Coming off of whitespace, start the next argument */
|
|
argv[x++] = cur;
|
|
whitespace=0;
|
|
}
|
|
*(cur++) = *s;
|
|
escaped=0;
|
|
}
|
|
s++;
|
|
}
|
|
/* Null terminate */
|
|
*(cur++) = '\0';
|
|
argv[x] = NULL;
|
|
*max = x;
|
|
return 0;
|
|
}
|
|
|
|
static int agi_handle_command(struct ast_channel *chan, AGI *agi, char *buf)
|
|
{
|
|
char *argv[MAX_ARGS];
|
|
int argc = MAX_ARGS;
|
|
int res;
|
|
agi_command *c;
|
|
|
|
parse_args(buf, &argc, argv);
|
|
#if 0
|
|
{ int x;
|
|
for (x=0; x<argc; x++)
|
|
fprintf(stderr, "Got Arg%d: %s\n", x, argv[x]); }
|
|
#endif
|
|
c = find_command(argv, 0);
|
|
if (c) {
|
|
res = c->handler(chan, agi, argc, argv);
|
|
switch(res) {
|
|
case RESULT_SHOWUSAGE:
|
|
fdprintf(agi->fd, "520-Invalid command syntax. Proper usage follows:\n");
|
|
fdprintf(agi->fd, c->usage);
|
|
fdprintf(agi->fd, "520 End of proper usage.\n");
|
|
break;
|
|
case AST_PBX_KEEPALIVE:
|
|
/* We've been asked to keep alive, so do so */
|
|
return AST_PBX_KEEPALIVE;
|
|
break;
|
|
case RESULT_FAILURE:
|
|
/* They've already given the failure. We've been hung up on so handle this
|
|
appropriately */
|
|
return -1;
|
|
}
|
|
} else {
|
|
fdprintf(agi->fd, "510 Invalid or unknown command\n");
|
|
}
|
|
return 0;
|
|
}
|
|
#define RETRY 3
|
|
static int run_agi(struct ast_channel *chan, char *request, AGI *agi, int pid, int dead)
|
|
{
|
|
struct ast_channel *c;
|
|
int outfd;
|
|
int ms;
|
|
int returnstatus = 0;
|
|
struct ast_frame *f;
|
|
char buf[2048];
|
|
FILE *readf;
|
|
/* how many times we'll retry if ast_waitfor_nandfs will return without either
|
|
channel or file descriptor in case select is interrupted by a system call (EINTR) */
|
|
int retry = RETRY;
|
|
|
|
if (!(readf = fdopen(agi->ctrl, "r"))) {
|
|
ast_log(LOG_WARNING, "Unable to fdopen file descriptor\n");
|
|
if (pid > -1)
|
|
kill(pid, SIGHUP);
|
|
close(agi->ctrl);
|
|
return -1;
|
|
}
|
|
setlinebuf(readf);
|
|
setup_env(chan, request, agi->fd, (agi->audio > -1));
|
|
for (;;) {
|
|
ms = -1;
|
|
c = ast_waitfor_nandfds(&chan, dead ? 0 : 1, &agi->ctrl, 1, NULL, &outfd, &ms);
|
|
if (c) {
|
|
retry = RETRY;
|
|
/* Idle the channel until we get a command */
|
|
f = ast_read(c);
|
|
if (!f) {
|
|
ast_log(LOG_DEBUG, "%s hungup\n", chan->name);
|
|
returnstatus = -1;
|
|
break;
|
|
} else {
|
|
/* If it's voice, write it to the audio pipe */
|
|
if ((agi->audio > -1) && (f->frametype == AST_FRAME_VOICE)) {
|
|
/* Write, ignoring errors */
|
|
write(agi->audio, f->data, f->datalen);
|
|
}
|
|
ast_frfree(f);
|
|
}
|
|
} else if (outfd > -1) {
|
|
retry = RETRY;
|
|
if (!fgets(buf, sizeof(buf), readf)) {
|
|
/* Program terminated */
|
|
if (returnstatus)
|
|
returnstatus = -1;
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "AGI Script %s completed, returning %d\n", request, returnstatus);
|
|
/* No need to kill the pid anymore, since they closed us */
|
|
pid = -1;
|
|
break;
|
|
}
|
|
/* get rid of trailing newline, if any */
|
|
if (*buf && buf[strlen(buf) - 1] == '\n')
|
|
buf[strlen(buf) - 1] = 0;
|
|
if (agidebug)
|
|
ast_verbose("AGI Rx << %s\n", buf);
|
|
returnstatus |= agi_handle_command(chan, agi, buf);
|
|
/* If the handle_command returns -1, we need to stop */
|
|
if ((returnstatus < 0) || (returnstatus == AST_PBX_KEEPALIVE)) {
|
|
break;
|
|
}
|
|
} else {
|
|
if (--retry <= 0) {
|
|
ast_log(LOG_WARNING, "No channel, no fd?\n");
|
|
returnstatus = -1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
/* Notify process */
|
|
if (pid > -1) {
|
|
if (kill(pid, SIGHUP))
|
|
ast_log(LOG_WARNING, "unable to send SIGHUP to AGI process %d: %s\n", pid, strerror(errno));
|
|
}
|
|
fclose(readf);
|
|
return returnstatus;
|
|
}
|
|
|
|
static int handle_showagi(int fd, int argc, char *argv[]) {
|
|
struct agi_command *e;
|
|
char fullcmd[80];
|
|
if ((argc < 2))
|
|
return RESULT_SHOWUSAGE;
|
|
if (argc > 2) {
|
|
e = find_command(argv + 2, 1);
|
|
if (e)
|
|
ast_cli(fd, e->usage);
|
|
else {
|
|
if (find_command(argv + 2, -1)) {
|
|
return help_workhorse(fd, argv + 1);
|
|
} else {
|
|
ast_join(fullcmd, sizeof(fullcmd), argv+1);
|
|
ast_cli(fd, "No such command '%s'.\n", fullcmd);
|
|
}
|
|
}
|
|
} else {
|
|
return help_workhorse(fd, NULL);
|
|
}
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int handle_dumpagihtml(int fd, int argc, char *argv[]) {
|
|
struct agi_command *e;
|
|
char fullcmd[80];
|
|
int x;
|
|
FILE *htmlfile;
|
|
|
|
if ((argc < 3))
|
|
return RESULT_SHOWUSAGE;
|
|
|
|
if (!(htmlfile = fopen(argv[2], "wt"))) {
|
|
ast_cli(fd, "Could not create file '%s'\n", argv[2]);
|
|
return RESULT_SHOWUSAGE;
|
|
}
|
|
|
|
fprintf(htmlfile, "<HTML>\n<HEAD>\n<TITLE>AGI Commands</TITLE>\n</HEAD>\n");
|
|
fprintf(htmlfile, "<BODY>\n<CENTER><B><H1>AGI Commands</H1></B></CENTER>\n\n");
|
|
|
|
|
|
fprintf(htmlfile, "<TABLE BORDER=\"0\" CELLSPACING=\"10\">\n");
|
|
|
|
for (x=0;x<sizeof(commands)/sizeof(commands[0]);x++) {
|
|
char *stringp, *tempstr;
|
|
|
|
e = &commands[x];
|
|
if (!e->cmda[0]) /* end ? */
|
|
break;
|
|
/* Hide commands that start with '_' */
|
|
if ((e->cmda[0])[0] == '_')
|
|
continue;
|
|
ast_join(fullcmd, sizeof(fullcmd), e->cmda);
|
|
|
|
fprintf(htmlfile, "<TR><TD><TABLE BORDER=\"1\" CELLPADDING=\"5\" WIDTH=\"100%%\">\n");
|
|
fprintf(htmlfile, "<TR><TH ALIGN=\"CENTER\"><B>%s - %s</B></TD></TR>\n", fullcmd,e->summary);
|
|
|
|
stringp=e->usage;
|
|
tempstr = strsep(&stringp, "\n");
|
|
|
|
fprintf(htmlfile, "<TR><TD ALIGN=\"CENTER\">%s</TD></TR>\n", tempstr);
|
|
|
|
fprintf(htmlfile, "<TR><TD ALIGN=\"CENTER\">\n");
|
|
while ((tempstr = strsep(&stringp, "\n")) != NULL)
|
|
fprintf(htmlfile, "%s<BR>\n",tempstr);
|
|
fprintf(htmlfile, "</TD></TR>\n");
|
|
fprintf(htmlfile, "</TABLE></TD></TR>\n\n");
|
|
|
|
}
|
|
|
|
fprintf(htmlfile, "</TABLE>\n</BODY>\n</HTML>\n");
|
|
fclose(htmlfile);
|
|
ast_cli(fd, "AGI HTML Commands Dumped to: %s\n", argv[2]);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static int agi_exec_full(struct ast_channel *chan, void *data, int enhanced, int dead)
|
|
{
|
|
int res=0;
|
|
struct localuser *u;
|
|
char *argv[MAX_ARGS];
|
|
char buf[2048]="";
|
|
char *tmp = (char *)buf;
|
|
int argc = 0;
|
|
int fds[2];
|
|
int efd = -1;
|
|
int pid;
|
|
char *stringp;
|
|
AGI agi;
|
|
|
|
if (ast_strlen_zero(data)) {
|
|
ast_log(LOG_WARNING, "AGI requires an argument (script)\n");
|
|
return -1;
|
|
}
|
|
ast_copy_string(buf, data, sizeof(buf));
|
|
|
|
memset(&agi, 0, sizeof(agi));
|
|
while ((stringp = strsep(&tmp, "|")) && argc < MAX_ARGS-1)
|
|
argv[argc++] = stringp;
|
|
argv[argc] = NULL;
|
|
|
|
LOCAL_USER_ADD(u);
|
|
#if 0
|
|
/* Answer if need be */
|
|
if (chan->_state != AST_STATE_UP) {
|
|
if (ast_answer(chan)) {
|
|
LOCAL_USER_REMOVE(u);
|
|
return -1;
|
|
}
|
|
}
|
|
#endif
|
|
res = launch_script(argv[0], argv, fds, enhanced ? &efd : NULL, &pid);
|
|
if (!res) {
|
|
agi.fd = fds[1];
|
|
agi.ctrl = fds[0];
|
|
agi.audio = efd;
|
|
res = run_agi(chan, argv[0], &agi, pid, dead);
|
|
close(fds[1]);
|
|
if (efd > -1)
|
|
close(efd);
|
|
}
|
|
LOCAL_USER_REMOVE(u);
|
|
return res;
|
|
}
|
|
|
|
static int agi_exec(struct ast_channel *chan, void *data)
|
|
{
|
|
if (chan->_softhangup)
|
|
ast_log(LOG_WARNING, "If you want to run AGI on hungup channels you should use DeadAGI!\n");
|
|
return agi_exec_full(chan, data, 0, 0);
|
|
}
|
|
|
|
static int eagi_exec(struct ast_channel *chan, void *data)
|
|
{
|
|
int readformat;
|
|
int res;
|
|
|
|
if (chan->_softhangup)
|
|
ast_log(LOG_WARNING, "If you want to run AGI on hungup channels you should use DeadAGI!\n");
|
|
readformat = chan->readformat;
|
|
if (ast_set_read_format(chan, AST_FORMAT_SLINEAR)) {
|
|
ast_log(LOG_WARNING, "Unable to set channel '%s' to linear mode\n", chan->name);
|
|
return -1;
|
|
}
|
|
res = agi_exec_full(chan, data, 1, 0);
|
|
if (!res) {
|
|
if (ast_set_read_format(chan, readformat)) {
|
|
ast_log(LOG_WARNING, "Unable to restore channel '%s' to format %s\n", chan->name, ast_getformatname(readformat));
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static int deadagi_exec(struct ast_channel *chan, void *data)
|
|
{
|
|
return agi_exec_full(chan, data, 0, 1);
|
|
}
|
|
|
|
static char showagi_help[] =
|
|
"Usage: show agi [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 AGI commands.\n";
|
|
|
|
|
|
static char dumpagihtml_help[] =
|
|
"Usage: dump agihtml <filename>\n"
|
|
" Dumps the agi command list in html format to given filename\n";
|
|
|
|
static struct ast_cli_entry showagi =
|
|
{ { "show", "agi", NULL }, handle_showagi, "Show AGI commands or specific help", showagi_help };
|
|
|
|
static struct ast_cli_entry dumpagihtml =
|
|
{ { "dump", "agihtml", NULL }, handle_dumpagihtml, "Dumps a list of agi command in html format", dumpagihtml_help };
|
|
|
|
int unload_module(void)
|
|
{
|
|
STANDARD_HANGUP_LOCALUSERS;
|
|
ast_cli_unregister(&showagi);
|
|
ast_cli_unregister(&dumpagihtml);
|
|
ast_cli_unregister(&cli_debug);
|
|
ast_cli_unregister(&cli_no_debug);
|
|
ast_unregister_application(eapp);
|
|
ast_unregister_application(deadapp);
|
|
return ast_unregister_application(app);
|
|
}
|
|
|
|
int load_module(void)
|
|
{
|
|
ast_cli_register(&showagi);
|
|
ast_cli_register(&dumpagihtml);
|
|
ast_cli_register(&cli_debug);
|
|
ast_cli_register(&cli_no_debug);
|
|
ast_register_application(deadapp, deadagi_exec, deadsynopsis, descrip);
|
|
ast_register_application(eapp, eagi_exec, esynopsis, descrip);
|
|
return ast_register_application(app, agi_exec, synopsis, descrip);
|
|
}
|
|
|
|
char *description(void)
|
|
{
|
|
return tdesc;
|
|
}
|
|
|
|
int usecount(void)
|
|
{
|
|
int res;
|
|
STANDARD_USECOUNT(res);
|
|
return res;
|
|
}
|
|
|
|
char *key()
|
|
{
|
|
return ASTERISK_GPL_KEY;
|
|
}
|
|
|