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-rw-r--r--trunk/main/app.c1739
1 files changed, 1739 insertions, 0 deletions
diff --git a/trunk/main/app.c b/trunk/main/app.c
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--- /dev/null
+++ b/trunk/main/app.c
@@ -0,0 +1,1739 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 1999 - 2005, Digium, Inc.
+ *
+ * Mark Spencer <markster@digium.com>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/*! \file
+ *
+ * \brief Convenient Application Routines
+ *
+ * \author Mark Spencer <markster@digium.com>
+ */
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+#include <regex.h>
+#include <sys/file.h> /* added this to allow to compile, sorry! */
+
+#include "asterisk/paths.h" /* use ast_config_AST_DATA_DIR */
+#include "asterisk/channel.h"
+#include "asterisk/pbx.h"
+#include "asterisk/file.h"
+#include "asterisk/app.h"
+#include "asterisk/dsp.h"
+#include "asterisk/utils.h"
+#include "asterisk/lock.h"
+#include "asterisk/indications.h"
+#include "asterisk/linkedlists.h"
+
+#define MAX_OTHER_FORMATS 10
+
+static AST_RWLIST_HEAD_STATIC(groups, ast_group_info);
+
+/*!
+ * \brief This function presents a dialtone and reads an extension into 'collect'
+ * which must be a pointer to a **pre-initialized** array of char having a
+ * size of 'size' suitable for writing to. It will collect no more than the smaller
+ * of 'maxlen' or 'size' minus the original strlen() of collect digits.
+ * \param chan struct.
+ * \param context
+ * \param collect
+ * \param size
+ * \param maxlen
+ * \param timeout timeout in seconds
+ *
+ * \return 0 if extension does not exist, 1 if extension exists
+*/
+int ast_app_dtget(struct ast_channel *chan, const char *context, char *collect, size_t size, int maxlen, int timeout)
+{
+ struct ind_tone_zone_sound *ts;
+ int res = 0, x = 0;
+
+ if (maxlen > size)
+ maxlen = size;
+
+ if (!timeout && chan->pbx)
+ timeout = chan->pbx->dtimeout;
+ else if (!timeout)
+ timeout = 5;
+
+ if ((ts = ast_get_indication_tone(chan->zone, "dial")) && ts->data[0])
+ res = ast_playtones_start(chan, 0, ts->data, 0);
+ else
+ ast_log(LOG_NOTICE,"Huh....? no dial for indications?\n");
+
+ for (x = strlen(collect); x < maxlen; ) {
+ res = ast_waitfordigit(chan, timeout);
+ if (!ast_ignore_pattern(context, collect))
+ ast_playtones_stop(chan);
+ if (res < 1)
+ break;
+ if (res == '#')
+ break;
+ collect[x++] = res;
+ if (!ast_matchmore_extension(chan, context, collect, 1, chan->cid.cid_num))
+ break;
+ }
+
+ if (res >= 0)
+ res = ast_exists_extension(chan, context, collect, 1, chan->cid.cid_num) ? 1 : 0;
+
+ return res;
+}
+
+/*!
+ * \brief ast_app_getdata
+ * \param c The channel to read from
+ * \param prompt The file to stream to the channel
+ * \param s The string to read in to. Must be at least the size of your length
+ * \param maxlen How many digits to read (maximum)
+ * \param timeout set timeout to 0 for "standard" timeouts. Set timeout to -1 for
+ * "ludicrous time" (essentially never times out) */
+int ast_app_getdata(struct ast_channel *c, const char *prompt, char *s, int maxlen, int timeout)
+{
+ int res = 0, to, fto;
+ char *front, *filename;
+
+ /* XXX Merge with full version? XXX */
+
+ if (maxlen)
+ s[0] = '\0';
+
+ if (!prompt)
+ prompt="";
+
+ filename = ast_strdupa(prompt);
+ while ((front = strsep(&filename, "&"))) {
+ if (!ast_strlen_zero(front)) {
+ res = ast_streamfile(c, front, c->language);
+ if (res)
+ continue;
+ }
+ if (ast_strlen_zero(filename)) {
+ /* set timeouts for the last prompt */
+ fto = c->pbx ? c->pbx->rtimeout * 1000 : 6000;
+ to = c->pbx ? c->pbx->dtimeout * 1000 : 2000;
+
+ if (timeout > 0)
+ fto = to = timeout;
+ if (timeout < 0)
+ fto = to = 1000000000;
+ } else {
+ /* there is more than one prompt, so
+ get rid of the long timeout between
+ prompts, and make it 50ms */
+ fto = 50;
+ to = c->pbx ? c->pbx->dtimeout * 1000 : 2000;
+ }
+ res = ast_readstring(c, s, maxlen, to, fto, "#");
+ if (!ast_strlen_zero(s))
+ return res;
+ }
+
+ return res;
+}
+
+/* The lock type used by ast_lock_path() / ast_unlock_path() */
+static enum AST_LOCK_TYPE ast_lock_type = AST_LOCK_TYPE_LOCKFILE;
+
+int ast_app_getdata_full(struct ast_channel *c, char *prompt, char *s, int maxlen, int timeout, int audiofd, int ctrlfd)
+{
+ int res, to = 2000, fto = 6000;
+
+ if (!ast_strlen_zero(prompt)) {
+ res = ast_streamfile(c, prompt, c->language);
+ if (res < 0)
+ return res;
+ }
+
+ if (timeout > 0)
+ fto = to = timeout;
+ if (timeout < 0)
+ fto = to = 1000000000;
+
+ res = ast_readstring_full(c, s, maxlen, to, fto, "#", audiofd, ctrlfd);
+
+ return res;
+}
+
+static int (*ast_has_voicemail_func)(const char *mailbox, const char *folder) = NULL;
+static int (*ast_inboxcount_func)(const char *mailbox, int *newmsgs, int *oldmsgs) = NULL;
+static int (*ast_messagecount_func)(const char *context, const char *mailbox, const char *folder) = NULL;
+
+void ast_install_vm_functions(int (*has_voicemail_func)(const char *mailbox, const char *folder),
+ int (*inboxcount_func)(const char *mailbox, int *newmsgs, int *oldmsgs),
+ int (*messagecount_func)(const char *context, const char *mailbox, const char *folder))
+{
+ ast_has_voicemail_func = has_voicemail_func;
+ ast_inboxcount_func = inboxcount_func;
+ ast_messagecount_func = messagecount_func;
+}
+
+void ast_uninstall_vm_functions(void)
+{
+ ast_has_voicemail_func = NULL;
+ ast_inboxcount_func = NULL;
+ ast_messagecount_func = NULL;
+}
+
+int ast_app_has_voicemail(const char *mailbox, const char *folder)
+{
+ static int warned = 0;
+ if (ast_has_voicemail_func)
+ return ast_has_voicemail_func(mailbox, folder);
+
+ if (!warned) {
+ ast_verb(3, "Message check requested for mailbox %s/folder %s but voicemail not loaded.\n", mailbox, folder ? folder : "INBOX");
+ warned++;
+ }
+ return 0;
+}
+
+
+int ast_app_inboxcount(const char *mailbox, int *newmsgs, int *oldmsgs)
+{
+ static int warned = 0;
+ if (newmsgs)
+ *newmsgs = 0;
+ if (oldmsgs)
+ *oldmsgs = 0;
+ if (ast_inboxcount_func)
+ return ast_inboxcount_func(mailbox, newmsgs, oldmsgs);
+
+ if (!warned) {
+ warned++;
+ ast_verb(3, "Message count requested for mailbox %s but voicemail not loaded.\n", mailbox);
+ }
+
+ return 0;
+}
+
+int ast_app_messagecount(const char *context, const char *mailbox, const char *folder)
+{
+ static int warned = 0;
+ if (ast_messagecount_func)
+ return ast_messagecount_func(context, mailbox, folder);
+
+ if (!warned) {
+ warned++;
+ ast_verb(3, "Message count requested for mailbox %s@%s/%s but voicemail not loaded.\n", mailbox, context, folder);
+ }
+
+ return 0;
+}
+
+int ast_dtmf_stream(struct ast_channel *chan, struct ast_channel *peer, const char *digits, int between, unsigned int duration)
+{
+ const char *ptr;
+ int res = 0;
+
+ if (!between)
+ between = 100;
+
+ if (peer)
+ res = ast_autoservice_start(peer);
+
+ if (!res)
+ res = ast_waitfor(chan, 100);
+
+ /* ast_waitfor will return the number of remaining ms on success */
+ if (res < 0)
+ return res;
+
+ for (ptr = digits; *ptr; ptr++) {
+ if (*ptr == 'w') {
+ /* 'w' -- wait half a second */
+ if ((res = ast_safe_sleep(chan, 500)))
+ break;
+ } else if (strchr("0123456789*#abcdfABCDF", *ptr)) {
+ /* Character represents valid DTMF */
+ if (*ptr == 'f' || *ptr == 'F') {
+ /* ignore return values if not supported by channel */
+ ast_indicate(chan, AST_CONTROL_FLASH);
+ } else
+ ast_senddigit(chan, *ptr, duration);
+ /* pause between digits */
+ if ((res = ast_safe_sleep(chan, between)))
+ break;
+ } else
+ ast_log(LOG_WARNING, "Illegal DTMF character '%c' in string. (0-9*#aAbBcCdD allowed)\n",*ptr);
+ }
+
+ if (peer) {
+ /* Stop autoservice on the peer channel, but don't overwrite any error condition
+ that has occurred previously while acting on the primary channel */
+ if (ast_autoservice_stop(peer) && !res)
+ res = -1;
+ }
+
+ return res;
+}
+
+struct linear_state {
+ int fd;
+ int autoclose;
+ int allowoverride;
+ int origwfmt;
+};
+
+static void linear_release(struct ast_channel *chan, void *params)
+{
+ struct linear_state *ls = params;
+
+ if (ls->origwfmt && ast_set_write_format(chan, ls->origwfmt))
+ ast_log(LOG_WARNING, "Unable to restore channel '%s' to format '%d'\n", chan->name, ls->origwfmt);
+
+ if (ls->autoclose)
+ close(ls->fd);
+
+ ast_free(params);
+}
+
+static int linear_generator(struct ast_channel *chan, void *data, int len, int samples)
+{
+ short buf[2048 + AST_FRIENDLY_OFFSET / 2];
+ struct linear_state *ls = data;
+ struct ast_frame f = {
+ .frametype = AST_FRAME_VOICE,
+ .subclass = AST_FORMAT_SLINEAR,
+ .data = buf + AST_FRIENDLY_OFFSET / 2,
+ .offset = AST_FRIENDLY_OFFSET,
+ };
+ int res;
+
+ len = samples * 2;
+ if (len > sizeof(buf) - AST_FRIENDLY_OFFSET) {
+ ast_log(LOG_WARNING, "Can't generate %d bytes of data!\n" ,len);
+ len = sizeof(buf) - AST_FRIENDLY_OFFSET;
+ }
+ res = read(ls->fd, buf + AST_FRIENDLY_OFFSET/2, len);
+ if (res > 0) {
+ f.datalen = res;
+ f.samples = res / 2;
+ ast_write(chan, &f);
+ if (res == len)
+ return 0;
+ }
+ return -1;
+}
+
+static void *linear_alloc(struct ast_channel *chan, void *params)
+{
+ struct linear_state *ls = params;
+
+ if (!params)
+ return NULL;
+
+ /* In this case, params is already malloc'd */
+ if (ls->allowoverride)
+ ast_set_flag(chan, AST_FLAG_WRITE_INT);
+ else
+ ast_clear_flag(chan, AST_FLAG_WRITE_INT);
+
+ ls->origwfmt = chan->writeformat;
+
+ if (ast_set_write_format(chan, AST_FORMAT_SLINEAR)) {
+ ast_log(LOG_WARNING, "Unable to set '%s' to linear format (write)\n", chan->name);
+ ast_free(ls);
+ ls = params = NULL;
+ }
+
+ return params;
+}
+
+static struct ast_generator linearstream =
+{
+ alloc: linear_alloc,
+ release: linear_release,
+ generate: linear_generator,
+};
+
+int ast_linear_stream(struct ast_channel *chan, const char *filename, int fd, int allowoverride)
+{
+ struct linear_state *lin;
+ char tmpf[256];
+ int res = -1;
+ int autoclose = 0;
+ if (fd < 0) {
+ if (ast_strlen_zero(filename))
+ return -1;
+ autoclose = 1;
+ if (filename[0] == '/')
+ ast_copy_string(tmpf, filename, sizeof(tmpf));
+ else
+ snprintf(tmpf, sizeof(tmpf), "%s/%s/%s", ast_config_AST_DATA_DIR, "sounds", filename);
+ if ((fd = open(tmpf, O_RDONLY)) < 0) {
+ ast_log(LOG_WARNING, "Unable to open file '%s': %s\n", tmpf, strerror(errno));
+ return -1;
+ }
+ }
+ if ((lin = ast_calloc(1, sizeof(*lin)))) {
+ lin->fd = fd;
+ lin->allowoverride = allowoverride;
+ lin->autoclose = autoclose;
+ res = ast_activate_generator(chan, &linearstream, lin);
+ }
+ return res;
+}
+
+int ast_control_streamfile(struct ast_channel *chan, const char *file,
+ const char *fwd, const char *rev,
+ const char *stop, const char *pause,
+ const char *restart, int skipms, long *offsetms)
+{
+ char *breaks = NULL;
+ char *end = NULL;
+ int blen = 2;
+ int res;
+ long pause_restart_point = 0;
+ long offset = 0;
+
+ if (offsetms)
+ offset = *offsetms * 8; /* XXX Assumes 8kHz */
+
+ if (stop)
+ blen += strlen(stop);
+ if (pause)
+ blen += strlen(pause);
+ if (restart)
+ blen += strlen(restart);
+
+ if (blen > 2) {
+ breaks = alloca(blen + 1);
+ breaks[0] = '\0';
+ if (stop)
+ strcat(breaks, stop);
+ if (pause)
+ strcat(breaks, pause);
+ if (restart)
+ strcat(breaks, restart);
+ }
+ if (chan->_state != AST_STATE_UP)
+ res = ast_answer(chan);
+
+ if (file) {
+ if ((end = strchr(file,':'))) {
+ if (!strcasecmp(end, ":end")) {
+ *end = '\0';
+ end++;
+ }
+ }
+ }
+
+ for (;;) {
+ ast_stopstream(chan);
+ res = ast_streamfile(chan, file, chan->language);
+ if (!res) {
+ if (pause_restart_point) {
+ ast_seekstream(chan->stream, pause_restart_point, SEEK_SET);
+ pause_restart_point = 0;
+ }
+ else if (end || offset < 0) {
+ if (offset == -8)
+ offset = 0;
+ ast_verb(3, "ControlPlayback seek to offset %ld from end\n", offset);
+
+ ast_seekstream(chan->stream, offset, SEEK_END);
+ end = NULL;
+ offset = 0;
+ } else if (offset) {
+ ast_verb(3, "ControlPlayback seek to offset %ld\n", offset);
+ ast_seekstream(chan->stream, offset, SEEK_SET);
+ offset = 0;
+ };
+ res = ast_waitstream_fr(chan, breaks, fwd, rev, skipms);
+ }
+
+ if (res < 1)
+ break;
+
+ /* We go at next loop if we got the restart char */
+ if (restart && strchr(restart, res)) {
+ ast_debug(1, "we'll restart the stream here at next loop\n");
+ pause_restart_point = 0;
+ continue;
+ }
+
+ if (pause && strchr(pause, res)) {
+ pause_restart_point = ast_tellstream(chan->stream);
+ for (;;) {
+ ast_stopstream(chan);
+ res = ast_waitfordigit(chan, 1000);
+ if (!res)
+ continue;
+ else if (res == -1 || strchr(pause, res) || (stop && strchr(stop, res)))
+ break;
+ }
+ if (res == *pause) {
+ res = 0;
+ continue;
+ }
+ }
+
+ if (res == -1)
+ break;
+
+ /* if we get one of our stop chars, return it to the calling function */
+ if (stop && strchr(stop, res))
+ break;
+ }
+
+ if (pause_restart_point) {
+ offset = pause_restart_point;
+ } else {
+ if (chan->stream) {
+ offset = ast_tellstream(chan->stream);
+ } else {
+ offset = -8; /* indicate end of file */
+ }
+ }
+
+ if (offsetms)
+ *offsetms = offset / 8; /* samples --> ms ... XXX Assumes 8 kHz */
+
+ /* If we are returning a digit cast it as char */
+ if (res > 0 || chan->stream)
+ res = (char)res;
+
+ ast_stopstream(chan);
+
+ return res;
+}
+
+int ast_play_and_wait(struct ast_channel *chan, const char *fn)
+{
+ int d = 0;
+
+ if ((d = ast_streamfile(chan, fn, chan->language)))
+ return d;
+
+ d = ast_waitstream(chan, AST_DIGIT_ANY);
+
+ ast_stopstream(chan);
+
+ return d;
+}
+
+static int global_silence_threshold = 128;
+static int global_maxsilence = 0;
+
+/*! Optionally play a sound file or a beep, then record audio and video from the channel.
+ * \param chan Channel to playback to/record from.
+ * \param playfile Filename of sound to play before recording begins.
+ * \param recordfile Filename to record to.
+ * \param maxtime Maximum length of recording (in milliseconds).
+ * \param fmt Format(s) to record message in. Multiple formats may be specified by separating them with a '|'.
+ * \param duration Where to store actual length of the recorded message (in milliseconds).
+ * \param beep Whether to play a beep before starting to record.
+ * \param silencethreshold
+ * \param maxsilence Length of silence that will end a recording (in milliseconds).
+ * \param path Optional filesystem path to unlock.
+ * \param prepend If true, prepend the recorded audio to an existing file.
+ * \param acceptdtmf DTMF digits that will end the recording.
+ * \param canceldtmf DTMF digits that will cancel the recording.
+ */
+
+static int __ast_play_and_record(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime, const char *fmt, int *duration, int beep, int silencethreshold, int maxsilence, const char *path, int prepend, const char *acceptdtmf, const char *canceldtmf)
+{
+ int d = 0;
+ char *fmts;
+ char comment[256];
+ int x, fmtcnt = 1, res = -1, outmsg = 0;
+ struct ast_filestream *others[MAX_OTHER_FORMATS];
+ char *sfmt[MAX_OTHER_FORMATS];
+ char *stringp = NULL;
+ time_t start, end;
+ struct ast_dsp *sildet = NULL; /* silence detector dsp */
+ int totalsilence = 0;
+ int rfmt = 0;
+ struct ast_silence_generator *silgen = NULL;
+ char prependfile[80];
+
+ if (silencethreshold < 0)
+ silencethreshold = global_silence_threshold;
+
+ if (maxsilence < 0)
+ maxsilence = global_maxsilence;
+
+ /* barf if no pointer passed to store duration in */
+ if (!duration) {
+ ast_log(LOG_WARNING, "Error play_and_record called without duration pointer\n");
+ return -1;
+ }
+
+ ast_debug(1, "play_and_record: %s, %s, '%s'\n", playfile ? playfile : "<None>", recordfile, fmt);
+ snprintf(comment, sizeof(comment), "Playing %s, Recording to: %s on %s\n", playfile ? playfile : "<None>", recordfile, chan->name);
+
+ if (playfile || beep) {
+ if (!beep)
+ d = ast_play_and_wait(chan, playfile);
+ if (d > -1)
+ d = ast_stream_and_wait(chan, "beep", "");
+ if (d < 0)
+ return -1;
+ }
+
+ if (prepend) {
+ ast_copy_string(prependfile, recordfile, sizeof(prependfile));
+ strncat(prependfile, "-prepend", sizeof(prependfile) - strlen(prependfile) - 1);
+ }
+
+ fmts = ast_strdupa(fmt);
+
+ stringp = fmts;
+ strsep(&stringp, "|");
+ ast_debug(1, "Recording Formats: sfmts=%s\n", fmts);
+ sfmt[0] = ast_strdupa(fmts);
+
+ while ((fmt = strsep(&stringp, "|"))) {
+ if (fmtcnt > MAX_OTHER_FORMATS - 1) {
+ ast_log(LOG_WARNING, "Please increase MAX_OTHER_FORMATS in app.c\n");
+ break;
+ }
+ sfmt[fmtcnt++] = ast_strdupa(fmt);
+ }
+
+ end = start = time(NULL); /* pre-initialize end to be same as start in case we never get into loop */
+ for (x = 0; x < fmtcnt; x++) {
+ others[x] = ast_writefile(prepend ? prependfile : recordfile, sfmt[x], comment, O_TRUNC, 0, AST_FILE_MODE);
+ ast_verb(3, "x=%d, open writing: %s format: %s, %p\n", x, prepend ? prependfile : recordfile, sfmt[x], others[x]);
+
+ if (!others[x])
+ break;
+ }
+
+ if (path)
+ ast_unlock_path(path);
+
+ if (maxsilence > 0) {
+ sildet = ast_dsp_new(); /* Create the silence detector */
+ if (!sildet) {
+ ast_log(LOG_WARNING, "Unable to create silence detector :(\n");
+ return -1;
+ }
+ ast_dsp_set_threshold(sildet, silencethreshold);
+ 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");
+ ast_dsp_free(sildet);
+ return -1;
+ }
+ }
+
+ if (!prepend) {
+ /* Request a video update */
+ ast_indicate(chan, AST_CONTROL_VIDUPDATE);
+
+ if (ast_opt_transmit_silence)
+ silgen = ast_channel_start_silence_generator(chan);
+ }
+
+ if (x == fmtcnt) {
+ /* Loop forever, writing the packets we read to the writer(s), until
+ we read a digit or get a hangup */
+ struct ast_frame *f;
+ for (;;) {
+ res = ast_waitfor(chan, 2000);
+ if (!res) {
+ ast_debug(1, "One waitfor failed, trying another\n");
+ /* Try one more time in case of masq */
+ res = ast_waitfor(chan, 2000);
+ if (!res) {
+ ast_log(LOG_WARNING, "No audio available on %s??\n", chan->name);
+ res = -1;
+ }
+ }
+
+ if (res < 0) {
+ f = NULL;
+ break;
+ }
+ f = ast_read(chan);
+ if (!f)
+ break;
+ if (f->frametype == AST_FRAME_VOICE) {
+ /* write each format */
+ for (x = 0; x < fmtcnt; x++) {
+ if (prepend && !others[x])
+ break;
+ res = ast_writestream(others[x], f);
+ }
+
+ /* Silence Detection */
+ if (maxsilence > 0) {
+ int dspsilence = 0;
+ ast_dsp_silence(sildet, f, &dspsilence);
+ if (dspsilence)
+ totalsilence = dspsilence;
+ else
+ totalsilence = 0;
+
+ if (totalsilence > maxsilence) {
+ /* Ended happily with silence */
+ ast_verb(3, "Recording automatically stopped after a silence of %d seconds\n", totalsilence/1000);
+ res = 'S';
+ outmsg = 2;
+ break;
+ }
+ }
+ /* Exit on any error */
+ if (res) {
+ ast_log(LOG_WARNING, "Error writing frame\n");
+ break;
+ }
+ } else if (f->frametype == AST_FRAME_VIDEO) {
+ /* Write only once */
+ ast_writestream(others[0], f);
+ } else if (f->frametype == AST_FRAME_DTMF) {
+ if (prepend) {
+ /* stop recording with any digit */
+ ast_verb(3, "User ended message by pressing %c\n", f->subclass);
+ res = 't';
+ outmsg = 2;
+ break;
+ }
+ if (strchr(acceptdtmf, f->subclass)) {
+ ast_verb(3, "User ended message by pressing %c\n", f->subclass);
+ res = f->subclass;
+ outmsg = 2;
+ break;
+ }
+ if (strchr(canceldtmf, f->subclass)) {
+ ast_verb(3, "User cancelled message by pressing %c\n", f->subclass);
+ res = f->subclass;
+ outmsg = 0;
+ break;
+ }
+ }
+ if (maxtime) {
+ end = time(NULL);
+ if (maxtime < (end - start)) {
+ ast_verb(3, "Took too long, cutting it short...\n");
+ res = 't';
+ outmsg = 2;
+ break;
+ }
+ }
+ ast_frfree(f);
+ }
+ if (!f) {
+ ast_verb(3, "User hung up\n");
+ res = -1;
+ outmsg = 1;
+ } else {
+ ast_frfree(f);
+ }
+ } else {
+ ast_log(LOG_WARNING, "Error creating writestream '%s', format '%s'\n", recordfile, sfmt[x]);
+ }
+
+ if (!prepend) {
+ if (silgen)
+ ast_channel_stop_silence_generator(chan, silgen);
+ }
+
+ /*!\note
+ * Instead of asking how much time passed (end - start), calculate the number
+ * of seconds of audio which actually went into the file. This fixes a
+ * problem where audio is stopped up on the network and never gets to us.
+ *
+ * Note that we still want to use the number of seconds passed for the max
+ * message, otherwise we could get a situation where this stream is never
+ * closed (which would create a resource leak).
+ */
+ *duration = ast_tellstream(others[0]) / 8000;
+
+ if (!prepend) {
+ for (x = 0; x < fmtcnt; x++) {
+ if (!others[x])
+ break;
+ /*!\note
+ * If we ended with silence, trim all but the first 200ms of silence
+ * off the recording. However, if we ended with '#', we don't want
+ * to trim ANY part of the recording.
+ */
+ if (res > 0 && totalsilence)
+ ast_stream_rewind(others[x], totalsilence - 200);
+ ast_truncstream(others[x]);
+ ast_closestream(others[x]);
+ }
+ }
+
+ if (prepend && outmsg) {
+ struct ast_filestream *realfiles[MAX_OTHER_FORMATS];
+ struct ast_frame *fr;
+
+ for (x = 0; x < fmtcnt; x++) {
+ snprintf(comment, sizeof(comment), "Opening the real file %s.%s\n", recordfile, sfmt[x]);
+ realfiles[x] = ast_readfile(recordfile, sfmt[x], comment, O_RDONLY, 0, 0);
+ if (!others[x] || !realfiles[x])
+ break;
+ /*!\note Same logic as above. */
+ if (totalsilence)
+ ast_stream_rewind(others[x], totalsilence - 200);
+ ast_truncstream(others[x]);
+ /* add the original file too */
+ while ((fr = ast_readframe(realfiles[x]))) {
+ ast_writestream(others[x], fr);
+ ast_frfree(fr);
+ }
+ ast_closestream(others[x]);
+ ast_closestream(realfiles[x]);
+ ast_filerename(prependfile, recordfile, sfmt[x]);
+ ast_verb(4, "Recording Format: sfmts=%s, prependfile %s, recordfile %s\n", sfmt[x], prependfile, recordfile);
+ ast_filedelete(prependfile, sfmt[x]);
+ }
+ }
+ if (rfmt && ast_set_read_format(chan, rfmt)) {
+ ast_log(LOG_WARNING, "Unable to restore format %s to channel '%s'\n", ast_getformatname(rfmt), chan->name);
+ }
+ if (outmsg == 2) {
+ ast_stream_and_wait(chan, "auth-thankyou", "");
+ }
+ if (sildet)
+ ast_dsp_free(sildet);
+ return res;
+}
+
+static char default_acceptdtmf[] = "#";
+static char default_canceldtmf[] = "";
+
+int ast_play_and_record_full(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime, const char *fmt, int *duration, int silencethreshold, int maxsilence, const char *path, const char *acceptdtmf, const char *canceldtmf)
+{
+ return __ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, 0, silencethreshold, maxsilence, path, 0, S_OR(acceptdtmf, default_acceptdtmf), S_OR(canceldtmf, default_canceldtmf));
+}
+
+int ast_play_and_record(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime, const char *fmt, int *duration, int silencethreshold, int maxsilence, const char *path)
+{
+ return __ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, 0, silencethreshold, maxsilence, path, 0, default_acceptdtmf, default_canceldtmf);
+}
+
+int ast_play_and_prepend(struct ast_channel *chan, char *playfile, char *recordfile, int maxtime, char *fmt, int *duration, int beep, int silencethreshold, int maxsilence)
+{
+ return __ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, beep, silencethreshold, maxsilence, NULL, 1, default_acceptdtmf, default_canceldtmf);
+}
+
+/* Channel group core functions */
+
+int ast_app_group_split_group(const char *data, char *group, int group_max, char *category, int category_max)
+{
+ int res = 0;
+ char tmp[256];
+ char *grp = NULL, *cat = NULL;
+
+ if (!ast_strlen_zero(data)) {
+ ast_copy_string(tmp, data, sizeof(tmp));
+ grp = tmp;
+ cat = strchr(tmp, '@');
+ if (cat) {
+ *cat = '\0';
+ cat++;
+ }
+ }
+
+ if (!ast_strlen_zero(grp))
+ ast_copy_string(group, grp, group_max);
+ else
+ *group = '\0';
+
+ if (!ast_strlen_zero(cat))
+ ast_copy_string(category, cat, category_max);
+
+ return res;
+}
+
+int ast_app_group_set_channel(struct ast_channel *chan, const char *data)
+{
+ int res = 0;
+ char group[80] = "", category[80] = "";
+ struct ast_group_info *gi = NULL;
+ size_t len = 0;
+
+ if (ast_app_group_split_group(data, group, sizeof(group), category, sizeof(category)))
+ return -1;
+
+ /* Calculate memory we will need if this is new */
+ len = sizeof(*gi) + strlen(group) + 1;
+ if (!ast_strlen_zero(category))
+ len += strlen(category) + 1;
+
+ AST_RWLIST_WRLOCK(&groups);
+ AST_RWLIST_TRAVERSE_SAFE_BEGIN(&groups, gi, list) {
+ if ((gi->chan == chan) && ((ast_strlen_zero(category) && ast_strlen_zero(gi->category)) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category)))) {
+ AST_RWLIST_REMOVE_CURRENT(list);
+ free(gi);
+ break;
+ }
+ }
+ AST_RWLIST_TRAVERSE_SAFE_END;
+
+ if (ast_strlen_zero(group)) {
+ /* Enable unsetting the group */
+ } else if ((gi = calloc(1, len))) {
+ gi->chan = chan;
+ gi->group = (char *) gi + sizeof(*gi);
+ strcpy(gi->group, group);
+ if (!ast_strlen_zero(category)) {
+ gi->category = (char *) gi + sizeof(*gi) + strlen(group) + 1;
+ strcpy(gi->category, category);
+ }
+ AST_RWLIST_INSERT_TAIL(&groups, gi, list);
+ } else {
+ res = -1;
+ }
+
+ AST_RWLIST_UNLOCK(&groups);
+
+ return res;
+}
+
+int ast_app_group_get_count(const char *group, const char *category)
+{
+ struct ast_group_info *gi = NULL;
+ int count = 0;
+
+ if (ast_strlen_zero(group))
+ return 0;
+
+ AST_RWLIST_RDLOCK(&groups);
+ AST_RWLIST_TRAVERSE(&groups, gi, list) {
+ if (!strcasecmp(gi->group, group) && (ast_strlen_zero(category) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category))))
+ count++;
+ }
+ AST_RWLIST_UNLOCK(&groups);
+
+ return count;
+}
+
+int ast_app_group_match_get_count(const char *groupmatch, const char *category)
+{
+ struct ast_group_info *gi = NULL;
+ regex_t regexbuf;
+ int count = 0;
+
+ if (ast_strlen_zero(groupmatch))
+ return 0;
+
+ /* if regex compilation fails, return zero matches */
+ if (regcomp(&regexbuf, groupmatch, REG_EXTENDED | REG_NOSUB))
+ return 0;
+
+ AST_RWLIST_RDLOCK(&groups);
+ AST_RWLIST_TRAVERSE(&groups, gi, list) {
+ if (!regexec(&regexbuf, gi->group, 0, NULL, 0) && (ast_strlen_zero(category) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category))))
+ count++;
+ }
+ AST_RWLIST_UNLOCK(&groups);
+
+ regfree(&regexbuf);
+
+ return count;
+}
+
+int ast_app_group_update(struct ast_channel *old, struct ast_channel *new)
+{
+ struct ast_group_info *gi = NULL;
+
+ AST_RWLIST_WRLOCK(&groups);
+ AST_RWLIST_TRAVERSE(&groups, gi, list) {
+ if (gi->chan == old)
+ gi->chan = new;
+ }
+ AST_RWLIST_UNLOCK(&groups);
+
+ return 0;
+}
+
+int ast_app_group_discard(struct ast_channel *chan)
+{
+ struct ast_group_info *gi = NULL;
+
+ AST_RWLIST_WRLOCK(&groups);
+ AST_RWLIST_TRAVERSE_SAFE_BEGIN(&groups, gi, list) {
+ if (gi->chan == chan) {
+ AST_RWLIST_REMOVE_CURRENT(list);
+ ast_free(gi);
+ }
+ }
+ AST_RWLIST_TRAVERSE_SAFE_END;
+ AST_RWLIST_UNLOCK(&groups);
+
+ return 0;
+}
+
+int ast_app_group_list_wrlock(void)
+{
+ return AST_RWLIST_WRLOCK(&groups);
+}
+
+int ast_app_group_list_rdlock(void)
+{
+ return AST_RWLIST_RDLOCK(&groups);
+}
+
+struct ast_group_info *ast_app_group_list_head(void)
+{
+ return AST_RWLIST_FIRST(&groups);
+}
+
+int ast_app_group_list_unlock(void)
+{
+ return AST_RWLIST_UNLOCK(&groups);
+}
+
+unsigned int ast_app_separate_args(char *buf, char delim, char **array, int arraylen)
+{
+ int argc;
+ char *scan;
+ int paren = 0, quote = 0;
+
+ if (!buf || !array || !arraylen)
+ return 0;
+
+ memset(array, 0, arraylen * sizeof(*array));
+
+ scan = buf;
+
+ for (argc = 0; *scan && (argc < arraylen - 1); argc++) {
+ array[argc] = scan;
+ for (; *scan; scan++) {
+ if (*scan == '(')
+ paren++;
+ else if (*scan == ')') {
+ if (paren)
+ paren--;
+ } else if (*scan == '"' && delim != '"') {
+ quote = quote ? 0 : 1;
+ /* Remove quote character from argument */
+ memmove(scan, scan + 1, strlen(scan));
+ scan--;
+ } else if (*scan == '\\') {
+ /* Literal character, don't parse */
+ memmove(scan, scan + 1, strlen(scan));
+ } else if ((*scan == delim) && !paren && !quote) {
+ *scan++ = '\0';
+ break;
+ }
+ }
+ }
+
+ if (*scan)
+ array[argc++] = scan;
+
+ return argc;
+}
+
+static enum AST_LOCK_RESULT ast_lock_path_lockfile(const char *path)
+{
+ char *s;
+ char *fs;
+ int res;
+ int fd;
+ int lp = strlen(path);
+ time_t start;
+
+ s = alloca(lp + 10);
+ fs = alloca(lp + 20);
+
+ snprintf(fs, strlen(path) + 19, "%s/.lock-%08lx", path, ast_random());
+ fd = open(fs, O_WRONLY | O_CREAT | O_EXCL, AST_FILE_MODE);
+ if (fd < 0) {
+ ast_log(LOG_ERROR, "Unable to create lock file '%s': %s\n", path, strerror(errno));
+ return AST_LOCK_PATH_NOT_FOUND;
+ }
+ close(fd);
+
+ snprintf(s, strlen(path) + 9, "%s/.lock", path);
+ start = time(NULL);
+ while (((res = link(fs, s)) < 0) && (errno == EEXIST) && (time(NULL) - start < 5))
+ usleep(1);
+
+ unlink(fs);
+
+ if (res) {
+ ast_log(LOG_WARNING, "Failed to lock path '%s': %s\n", path, strerror(errno));
+ return AST_LOCK_TIMEOUT;
+ } else {
+ ast_debug(1, "Locked path '%s'\n", path);
+ return AST_LOCK_SUCCESS;
+ }
+}
+
+static int ast_unlock_path_lockfile(const char *path)
+{
+ char *s;
+ int res;
+
+ s = alloca(strlen(path) + 10);
+
+ snprintf(s, strlen(path) + 9, "%s/%s", path, ".lock");
+
+ if ((res = unlink(s)))
+ ast_log(LOG_ERROR, "Could not unlock path '%s': %s\n", path, strerror(errno));
+ else {
+ ast_debug(1, "Unlocked path '%s'\n", path);
+ }
+
+ return res;
+}
+
+struct path_lock {
+ AST_LIST_ENTRY(path_lock) le;
+ int fd;
+ char *path;
+};
+
+static AST_LIST_HEAD_STATIC(path_lock_list, path_lock);
+
+static void path_lock_destroy(struct path_lock *obj)
+{
+ if (obj->fd >= 0)
+ close(obj->fd);
+ if (obj->path)
+ free(obj->path);
+ free(obj);
+}
+
+static enum AST_LOCK_RESULT ast_lock_path_flock(const char *path)
+{
+ char *fs;
+ int res;
+ int fd;
+ time_t start;
+ struct path_lock *pl;
+ struct stat st, ost;
+
+ fs = alloca(strlen(path) + 20);
+
+ snprintf(fs, strlen(path) + 19, "%s/lock", path);
+ if (lstat(fs, &st) == 0) {
+ if ((st.st_mode & S_IFMT) == S_IFLNK) {
+ ast_log(LOG_WARNING, "Unable to create lock file "
+ "'%s': it's already a symbolic link\n",
+ fs);
+ return AST_LOCK_FAILURE;
+ }
+ if (st.st_nlink > 1) {
+ ast_log(LOG_WARNING, "Unable to create lock file "
+ "'%s': %u hard links exist\n",
+ fs, (unsigned int) st.st_nlink);
+ return AST_LOCK_FAILURE;
+ }
+ }
+ fd = open(fs, O_WRONLY | O_CREAT, 0600);
+ if (fd < 0) {
+ ast_log(LOG_WARNING, "Unable to create lock file '%s': %s\n",
+ fs, strerror(errno));
+ return AST_LOCK_PATH_NOT_FOUND;
+ }
+ pl = ast_calloc(1, sizeof(*pl));
+ if (!pl) {
+ /* We don't unlink the lock file here, on the possibility that
+ * someone else created it - better to leave a little mess
+ * than create a big one by destroying someone else's lock
+ * and causing something to be corrupted.
+ */
+ close(fd);
+ return AST_LOCK_FAILURE;
+ }
+ pl->fd = fd;
+ pl->path = strdup(path);
+
+ time(&start);
+ while ((
+ #ifdef SOLARIS
+ (res = fcntl(pl->fd, F_SETLK, fcntl(pl->fd,F_GETFL)|O_NONBLOCK)) < 0) &&
+ #else
+ (res = flock(pl->fd, LOCK_EX | LOCK_NB)) < 0) &&
+ #endif
+ (errno == EWOULDBLOCK) &&
+ (time(NULL) - start < 5))
+ usleep(1000);
+ if (res) {
+ ast_log(LOG_WARNING, "Failed to lock path '%s': %s\n",
+ path, strerror(errno));
+ /* No unlinking of lock done, since we tried and failed to
+ * flock() it.
+ */
+ path_lock_destroy(pl);
+ return AST_LOCK_TIMEOUT;
+ }
+
+ /* Check for the race where the file is recreated or deleted out from
+ * underneath us.
+ */
+ if (lstat(fs, &st) != 0 && fstat(pl->fd, &ost) != 0 &&
+ st.st_dev != ost.st_dev &&
+ st.st_ino != ost.st_ino) {
+ ast_log(LOG_WARNING, "Unable to create lock file '%s': "
+ "file changed underneath us\n", fs);
+ path_lock_destroy(pl);
+ return AST_LOCK_FAILURE;
+ }
+
+ /* Success: file created, flocked, and is the one we started with */
+ AST_LIST_LOCK(&path_lock_list);
+ AST_LIST_INSERT_TAIL(&path_lock_list, pl, le);
+ AST_LIST_UNLOCK(&path_lock_list);
+
+ ast_debug(1, "Locked path '%s'\n", path);
+
+ return AST_LOCK_SUCCESS;
+}
+
+static int ast_unlock_path_flock(const char *path)
+{
+ char *s;
+ struct path_lock *p;
+
+ s = alloca(strlen(path) + 20);
+
+ AST_LIST_LOCK(&path_lock_list);
+ AST_LIST_TRAVERSE_SAFE_BEGIN(&path_lock_list, p, le) {
+ if (!strcmp(p->path, path)) {
+ AST_LIST_REMOVE_CURRENT(le);
+ break;
+ }
+ }
+ AST_LIST_TRAVERSE_SAFE_END;
+ AST_LIST_UNLOCK(&path_lock_list);
+
+ if (p) {
+ snprintf(s, strlen(path) + 19, "%s/lock", path);
+ unlink(s);
+ path_lock_destroy(p);
+ ast_log(LOG_DEBUG, "Unlocked path '%s'\n", path);
+ } else
+ ast_log(LOG_DEBUG, "Failed to unlock path '%s': "
+ "lock not found\n", path);
+
+ return 0;
+}
+
+void ast_set_lock_type(enum AST_LOCK_TYPE type)
+{
+ ast_lock_type = type;
+}
+
+enum AST_LOCK_RESULT ast_lock_path(const char *path)
+{
+ enum AST_LOCK_RESULT r = AST_LOCK_FAILURE;
+
+ switch (ast_lock_type) {
+ case AST_LOCK_TYPE_LOCKFILE:
+ r = ast_lock_path_lockfile(path);
+ break;
+ case AST_LOCK_TYPE_FLOCK:
+ r = ast_lock_path_flock(path);
+ break;
+ }
+
+ return r;
+}
+
+int ast_unlock_path(const char *path)
+{
+ int r = 0;
+
+ switch (ast_lock_type) {
+ case AST_LOCK_TYPE_LOCKFILE:
+ r = ast_unlock_path_lockfile(path);
+ break;
+ case AST_LOCK_TYPE_FLOCK:
+ r = ast_unlock_path_flock(path);
+ break;
+ }
+
+ return r;
+}
+
+int ast_record_review(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime, const char *fmt, int *duration, const char *path)
+{
+ int silencethreshold = 128;
+ int maxsilence = 0;
+ int res = 0;
+ int cmd = 0;
+ int max_attempts = 3;
+ int attempts = 0;
+ int recorded = 0;
+ int message_exists = 0;
+ /* Note that urgent and private are for flagging messages as such in the future */
+
+ /* barf if no pointer passed to store duration in */
+ if (!duration) {
+ ast_log(LOG_WARNING, "Error ast_record_review called without duration pointer\n");
+ return -1;
+ }
+
+ cmd = '3'; /* Want to start by recording */
+
+ while ((cmd >= 0) && (cmd != 't')) {
+ switch (cmd) {
+ case '1':
+ if (!message_exists) {
+ /* In this case, 1 is to record a message */
+ cmd = '3';
+ break;
+ } else {
+ ast_stream_and_wait(chan, "vm-msgsaved", "");
+ cmd = 't';
+ return res;
+ }
+ case '2':
+ /* Review */
+ ast_verb(3, "Reviewing the recording\n");
+ cmd = ast_stream_and_wait(chan, recordfile, AST_DIGIT_ANY);
+ break;
+ case '3':
+ message_exists = 0;
+ /* Record */
+ if (recorded == 1)
+ ast_verb(3, "Re-recording\n");
+ else
+ ast_verb(3, "Recording\n");
+ recorded = 1;
+ cmd = ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, silencethreshold, maxsilence, path);
+ if (cmd == -1) {
+ /* User has hung up, no options to give */
+ return cmd;
+ }
+ if (cmd == '0') {
+ break;
+ } else if (cmd == '*') {
+ break;
+ }
+ else {
+ /* If all is well, a message exists */
+ message_exists = 1;
+ cmd = 0;
+ }
+ break;
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ case '*':
+ case '#':
+ cmd = ast_play_and_wait(chan, "vm-sorry");
+ break;
+ default:
+ if (message_exists) {
+ cmd = ast_play_and_wait(chan, "vm-review");
+ }
+ else {
+ cmd = ast_play_and_wait(chan, "vm-torerecord");
+ if (!cmd)
+ cmd = ast_waitfordigit(chan, 600);
+ }
+
+ if (!cmd)
+ cmd = ast_waitfordigit(chan, 6000);
+ if (!cmd) {
+ attempts++;
+ }
+ if (attempts > max_attempts) {
+ cmd = 't';
+ }
+ }
+ }
+ if (cmd == 't')
+ cmd = 0;
+ return cmd;
+}
+
+#define RES_UPONE (1 << 16)
+#define RES_EXIT (1 << 17)
+#define RES_REPEAT (1 << 18)
+#define RES_RESTART ((1 << 19) | RES_REPEAT)
+
+static int ast_ivr_menu_run_internal(struct ast_channel *chan, struct ast_ivr_menu *menu, void *cbdata);
+
+static int ivr_dispatch(struct ast_channel *chan, struct ast_ivr_option *option, char *exten, void *cbdata)
+{
+ int res;
+ int (*ivr_func)(struct ast_channel *, void *);
+ char *c;
+ char *n;
+
+ switch (option->action) {
+ case AST_ACTION_UPONE:
+ return RES_UPONE;
+ case AST_ACTION_EXIT:
+ return RES_EXIT | (((unsigned long)(option->adata)) & 0xffff);
+ case AST_ACTION_REPEAT:
+ return RES_REPEAT | (((unsigned long)(option->adata)) & 0xffff);
+ case AST_ACTION_RESTART:
+ return RES_RESTART ;
+ case AST_ACTION_NOOP:
+ return 0;
+ case AST_ACTION_BACKGROUND:
+ res = ast_stream_and_wait(chan, (char *)option->adata, AST_DIGIT_ANY);
+ if (res < 0) {
+ ast_log(LOG_NOTICE, "Unable to find file '%s'!\n", (char *)option->adata);
+ res = 0;
+ }
+ return res;
+ case AST_ACTION_PLAYBACK:
+ res = ast_stream_and_wait(chan, (char *)option->adata, "");
+ if (res < 0) {
+ ast_log(LOG_NOTICE, "Unable to find file '%s'!\n", (char *)option->adata);
+ res = 0;
+ }
+ return res;
+ case AST_ACTION_MENU:
+ res = ast_ivr_menu_run_internal(chan, (struct ast_ivr_menu *)option->adata, cbdata);
+ /* Do not pass entry errors back up, treat as though it was an "UPONE" */
+ if (res == -2)
+ res = 0;
+ return res;
+ case AST_ACTION_WAITOPTION:
+ res = ast_waitfordigit(chan, 1000 * (chan->pbx ? chan->pbx->rtimeout : 10));
+ if (!res)
+ return 't';
+ return res;
+ case AST_ACTION_CALLBACK:
+ ivr_func = option->adata;
+ res = ivr_func(chan, cbdata);
+ return res;
+ case AST_ACTION_TRANSFER:
+ res = ast_parseable_goto(chan, option->adata);
+ return 0;
+ case AST_ACTION_PLAYLIST:
+ case AST_ACTION_BACKLIST:
+ res = 0;
+ c = ast_strdupa(option->adata);
+ while ((n = strsep(&c, ";"))) {
+ if ((res = ast_stream_and_wait(chan, n,
+ (option->action == AST_ACTION_BACKLIST) ? AST_DIGIT_ANY : "")))
+ break;
+ }
+ ast_stopstream(chan);
+ return res;
+ default:
+ ast_log(LOG_NOTICE, "Unknown dispatch function %d, ignoring!\n", option->action);
+ return 0;
+ };
+ return -1;
+}
+
+static int option_exists(struct ast_ivr_menu *menu, char *option)
+{
+ int x;
+ for (x = 0; menu->options[x].option; x++)
+ if (!strcasecmp(menu->options[x].option, option))
+ return x;
+ return -1;
+}
+
+static int option_matchmore(struct ast_ivr_menu *menu, char *option)
+{
+ int x;
+ for (x = 0; menu->options[x].option; x++)
+ if ((!strncasecmp(menu->options[x].option, option, strlen(option))) &&
+ (menu->options[x].option[strlen(option)]))
+ return x;
+ return -1;
+}
+
+static int read_newoption(struct ast_channel *chan, struct ast_ivr_menu *menu, char *exten, int maxexten)
+{
+ int res=0;
+ int ms;
+ while (option_matchmore(menu, exten)) {
+ ms = chan->pbx ? chan->pbx->dtimeout : 5000;
+ if (strlen(exten) >= maxexten - 1)
+ break;
+ res = ast_waitfordigit(chan, ms);
+ if (res < 1)
+ break;
+ exten[strlen(exten) + 1] = '\0';
+ exten[strlen(exten)] = res;
+ }
+ return res > 0 ? 0 : res;
+}
+
+static int ast_ivr_menu_run_internal(struct ast_channel *chan, struct ast_ivr_menu *menu, void *cbdata)
+{
+ /* Execute an IVR menu structure */
+ int res=0;
+ int pos = 0;
+ int retries = 0;
+ char exten[AST_MAX_EXTENSION] = "s";
+ if (option_exists(menu, "s") < 0) {
+ strcpy(exten, "g");
+ if (option_exists(menu, "g") < 0) {
+ ast_log(LOG_WARNING, "No 's' nor 'g' extension in menu '%s'!\n", menu->title);
+ return -1;
+ }
+ }
+ while (!res) {
+ while (menu->options[pos].option) {
+ if (!strcasecmp(menu->options[pos].option, exten)) {
+ res = ivr_dispatch(chan, menu->options + pos, exten, cbdata);
+ ast_debug(1, "IVR Dispatch of '%s' (pos %d) yields %d\n", exten, pos, res);
+ if (res < 0)
+ break;
+ else if (res & RES_UPONE)
+ return 0;
+ else if (res & RES_EXIT)
+ return res;
+ else if (res & RES_REPEAT) {
+ int maxretries = res & 0xffff;
+ if ((res & RES_RESTART) == RES_RESTART) {
+ retries = 0;
+ } else
+ retries++;
+ if (!maxretries)
+ maxretries = 3;
+ if ((maxretries > 0) && (retries >= maxretries)) {
+ ast_debug(1, "Max retries %d exceeded\n", maxretries);
+ return -2;
+ } else {
+ if (option_exists(menu, "g") > -1)
+ strcpy(exten, "g");
+ else if (option_exists(menu, "s") > -1)
+ strcpy(exten, "s");
+ }
+ pos = 0;
+ continue;
+ } else if (res && strchr(AST_DIGIT_ANY, res)) {
+ ast_debug(1, "Got start of extension, %c\n", res);
+ exten[1] = '\0';
+ exten[0] = res;
+ if ((res = read_newoption(chan, menu, exten, sizeof(exten))))
+ break;
+ if (option_exists(menu, exten) < 0) {
+ if (option_exists(menu, "i")) {
+ ast_debug(1, "Invalid extension entered, going to 'i'!\n");
+ strcpy(exten, "i");
+ pos = 0;
+ continue;
+ } else {
+ ast_debug(1, "Aborting on invalid entry, with no 'i' option!\n");
+ res = -2;
+ break;
+ }
+ } else {
+ ast_debug(1, "New existing extension: %s\n", exten);
+ pos = 0;
+ continue;
+ }
+ }
+ }
+ pos++;
+ }
+ ast_debug(1, "Stopping option '%s', res is %d\n", exten, res);
+ pos = 0;
+ if (!strcasecmp(exten, "s"))
+ strcpy(exten, "g");
+ else
+ break;
+ }
+ return res;
+}
+
+int ast_ivr_menu_run(struct ast_channel *chan, struct ast_ivr_menu *menu, void *cbdata)
+{
+ int res = ast_ivr_menu_run_internal(chan, menu, cbdata);
+ /* Hide internal coding */
+ return res > 0 ? 0 : res;
+}
+
+char *ast_read_textfile(const char *filename)
+{
+ int fd, count = 0, res;
+ char *output = NULL;
+ struct stat filesize;
+
+ if (stat(filename, &filesize) == -1) {
+ ast_log(LOG_WARNING, "Error can't stat %s\n", filename);
+ return NULL;
+ }
+
+ count = filesize.st_size + 1;
+
+ if ((fd = open(filename, O_RDONLY)) < 0) {
+ ast_log(LOG_WARNING, "Cannot open file '%s' for reading: %s\n", filename, strerror(errno));
+ return NULL;
+ }
+
+ if ((output = ast_malloc(count))) {
+ res = read(fd, output, count - 1);
+ if (res == count - 1) {
+ output[res] = '\0';
+ } else {
+ ast_log(LOG_WARNING, "Short read of %s (%d of %d): %s\n", filename, res, count - 1, strerror(errno));
+ ast_free(output);
+ output = NULL;
+ }
+ }
+
+ close(fd);
+
+ return output;
+}
+
+int ast_app_parse_options(const struct ast_app_option *options, struct ast_flags *flags, char **args, char *optstr)
+{
+ char *s, *arg;
+ int curarg, res = 0;
+ unsigned int argloc;
+
+ ast_clear_flag(flags, AST_FLAGS_ALL);
+
+ if (!optstr)
+ return 0;
+
+ s = optstr;
+ while (*s) {
+ curarg = *s++ & 0x7f; /* the array (in app.h) has 128 entries */
+ argloc = options[curarg].arg_index;
+ if (*s == '(') {
+ /* Has argument */
+ arg = ++s;
+ if ((s = strchr(s, ')'))) {
+ if (argloc)
+ args[argloc - 1] = arg;
+ *s++ = '\0';
+ } else {
+ ast_log(LOG_WARNING, "Missing closing parenthesis for argument '%c' in string '%s'\n", curarg, arg);
+ res = -1;
+ break;
+ }
+ } else if (argloc) {
+ args[argloc - 1] = "";
+ }
+ ast_set_flag(flags, options[curarg].flag);
+ }
+
+ return res;
+}
+
+/* the following function will probably only be used in app_dial, until app_dial is reorganized to
+ better handle the large number of options it provides. After it is, you need to get rid of this variant
+ -- unless, of course, someone else digs up some use for large flag fields. */
+
+int ast_app_parse_options64(const struct ast_app_option *options, struct ast_flags64 *flags, char **args, char *optstr)
+{
+ char *s, *arg;
+ int curarg, res = 0;
+ unsigned int argloc;
+
+ flags->flags = 0;
+
+ if (!optstr)
+ return 0;
+
+ s = optstr;
+ while (*s) {
+ curarg = *s++ & 0x7f; /* the array (in app.h) has 128 entries */
+ ast_set_flag64(flags, options[curarg].flag);
+ argloc = options[curarg].arg_index;
+ if (*s == '(') {
+ /* Has argument */
+ arg = ++s;
+ if ((s = strchr(s, ')'))) {
+ if (argloc)
+ args[argloc - 1] = arg;
+ *s++ = '\0';
+ } else {
+ ast_log(LOG_WARNING, "Missing closing parenthesis for argument '%c' in string '%s'\n", curarg, arg);
+ res = -1;
+ break;
+ }
+ } else if (argloc) {
+ args[argloc - 1] = NULL;
+ }
+ }
+
+ return res;
+}
+
+int ast_get_encoded_char(const char *stream, char *result, size_t *consumed)
+{
+ int i;
+ *consumed = 1;
+ *result = 0;
+ if (*stream == '\\') {
+ *consumed = 2;
+ switch (*(stream + 1)) {
+ case 'n':
+ *result = '\n';
+ break;
+ case 'r':
+ *result = '\r';
+ break;
+ case 't':
+ *result = '\t';
+ break;
+ case 'x':
+ /* Hexadecimal */
+ if (strchr("0123456789ABCDEFabcdef", *(stream + 2)) && *(stream + 2) != '\0') {
+ *consumed = 3;
+ if (*(stream + 2) <= '9')
+ *result = *(stream + 2) - '0';
+ else if (*(stream + 2) <= 'F')
+ *result = *(stream + 2) - 'A' + 10;
+ else
+ *result = *(stream + 2) - 'a' + 10;
+ } else {
+ ast_log(LOG_ERROR, "Illegal character '%c' in hexadecimal string\n", *(stream + 2));
+ return -1;
+ }
+
+ if (strchr("0123456789ABCDEFabcdef", *(stream + 3)) && *(stream + 3) != '\0') {
+ *consumed = 4;
+ *result <<= 4;
+ if (*(stream + 3) <= '9')
+ *result += *(stream + 3) - '0';
+ else if (*(stream + 3) <= 'F')
+ *result += *(stream + 3) - 'A' + 10;
+ else
+ *result += *(stream + 3) - 'a' + 10;
+ }
+ break;
+ case '0':
+ /* Octal */
+ *consumed = 2;
+ for (i = 2; ; i++) {
+ if (strchr("01234567", *(stream + i)) && *(stream + i) != '\0') {
+ (*consumed)++;
+ ast_debug(5, "result was %d, ", *result);
+ *result <<= 3;
+ *result += *(stream + i) - '0';
+ ast_debug(5, "is now %d\n", *result);
+ } else
+ break;
+ }
+ break;
+ default:
+ *result = *(stream + 1);
+ }
+ } else {
+ *result = *stream;
+ *consumed = 1;
+ }
+ return 0;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 14:34:49 +0000