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00026 #include "asterisk.h"
00027
00028 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 110628 $")
00029
00030 #include <stdio.h>
00031 #include <stdlib.h>
00032 #include <string.h>
00033 #include <sys/time.h>
00034 #include <signal.h>
00035 #include <errno.h>
00036 #include <unistd.h>
00037 #include <dirent.h>
00038 #include <sys/types.h>
00039 #include <sys/stat.h>
00040 #include <regex.h>
00041
00042 #include "asterisk/channel.h"
00043 #include "asterisk/pbx.h"
00044 #include "asterisk/file.h"
00045 #include "asterisk/app.h"
00046 #include "asterisk/dsp.h"
00047 #include "asterisk/logger.h"
00048 #include "asterisk/options.h"
00049 #include "asterisk/utils.h"
00050 #include "asterisk/lock.h"
00051 #include "asterisk/indications.h"
00052 #include "asterisk/linkedlists.h"
00053
00054 #define MAX_OTHER_FORMATS 10
00055
00056 static AST_LIST_HEAD_STATIC(groups, ast_group_info);
00057
00058
00059
00060
00061
00062
00063
00064
00065 int ast_app_dtget(struct ast_channel *chan, const char *context, char *collect, size_t size, int maxlen, int timeout)
00066 {
00067 struct tone_zone_sound *ts;
00068 int res=0, x=0;
00069
00070 if (maxlen > size)
00071 maxlen = size;
00072
00073 if (!timeout && chan->pbx)
00074 timeout = chan->pbx->dtimeout;
00075 else if (!timeout)
00076 timeout = 5;
00077
00078 ts = ast_get_indication_tone(chan->zone,"dial");
00079 if (ts && ts->data[0])
00080 res = ast_playtones_start(chan, 0, ts->data, 0);
00081 else
00082 ast_log(LOG_NOTICE,"Huh....? no dial for indications?\n");
00083
00084 for (x = strlen(collect); x < maxlen; ) {
00085 res = ast_waitfordigit(chan, timeout);
00086 if (!ast_ignore_pattern(context, collect))
00087 ast_playtones_stop(chan);
00088 if (res < 1)
00089 break;
00090 if (res == '#')
00091 break;
00092 collect[x++] = res;
00093 if (!ast_matchmore_extension(chan, context, collect, 1, chan->cid.cid_num))
00094 break;
00095 }
00096 if (res >= 0)
00097 res = ast_exists_extension(chan, context, collect, 1, chan->cid.cid_num) ? 1 : 0;
00098 return res;
00099 }
00100
00101
00102
00103
00104
00105
00106
00107 int ast_app_getdata(struct ast_channel *c, char *prompt, char *s, int maxlen, int timeout)
00108 {
00109 int res,to,fto;
00110
00111 if (maxlen)
00112 s[0] = '\0';
00113 if (prompt) {
00114 res = ast_streamfile(c, prompt, c->language);
00115 if (res < 0)
00116 return res;
00117 }
00118 fto = c->pbx ? c->pbx->rtimeout * 1000 : 6000;
00119 to = c->pbx ? c->pbx->dtimeout * 1000 : 2000;
00120
00121 if (timeout > 0)
00122 fto = to = timeout;
00123 if (timeout < 0)
00124 fto = to = 1000000000;
00125 res = ast_readstring(c, s, maxlen, to, fto, "#");
00126 return res;
00127 }
00128
00129
00130 int ast_app_getdata_full(struct ast_channel *c, char *prompt, char *s, int maxlen, int timeout, int audiofd, int ctrlfd)
00131 {
00132 int res, to, fto;
00133 if (prompt) {
00134 res = ast_streamfile(c, prompt, c->language);
00135 if (res < 0)
00136 return res;
00137 }
00138 fto = 6000;
00139 to = 2000;
00140 if (timeout > 0)
00141 fto = to = timeout;
00142 if (timeout < 0)
00143 fto = to = 1000000000;
00144 res = ast_readstring_full(c, s, maxlen, to, fto, "#", audiofd, ctrlfd);
00145 return res;
00146 }
00147
00148 static int (*ast_has_voicemail_func)(const char *mailbox, const char *folder) = NULL;
00149 static int (*ast_inboxcount_func)(const char *mailbox, int *newmsgs, int *oldmsgs) = NULL;
00150 static int (*ast_messagecount_func)(const char *context, const char *mailbox, const char *folder) = NULL;
00151
00152 void ast_install_vm_functions(int (*has_voicemail_func)(const char *mailbox, const char *folder),
00153 int (*inboxcount_func)(const char *mailbox, int *newmsgs, int *oldmsgs),
00154 int (*messagecount_func)(const char *context, const char *mailbox, const char *folder))
00155 {
00156 ast_has_voicemail_func = has_voicemail_func;
00157 ast_inboxcount_func = inboxcount_func;
00158 ast_messagecount_func = messagecount_func;
00159 }
00160
00161 void ast_uninstall_vm_functions(void)
00162 {
00163 ast_has_voicemail_func = NULL;
00164 ast_inboxcount_func = NULL;
00165 ast_messagecount_func = NULL;
00166 }
00167
00168 int ast_app_has_voicemail(const char *mailbox, const char *folder)
00169 {
00170 static int warned = 0;
00171 if (ast_has_voicemail_func)
00172 return ast_has_voicemail_func(mailbox, folder);
00173
00174 if ((option_verbose > 2) && !warned) {
00175 ast_verbose(VERBOSE_PREFIX_3 "Message check requested for mailbox %s/folder %s but voicemail not loaded.\n", mailbox, folder ? folder : "INBOX");
00176 warned++;
00177 }
00178 return 0;
00179 }
00180
00181
00182 int ast_app_inboxcount(const char *mailbox, int *newmsgs, int *oldmsgs)
00183 {
00184 static int warned = 0;
00185 if (newmsgs)
00186 *newmsgs = 0;
00187 if (oldmsgs)
00188 *oldmsgs = 0;
00189 if (ast_inboxcount_func)
00190 return ast_inboxcount_func(mailbox, newmsgs, oldmsgs);
00191
00192 if (!warned && (option_verbose > 2)) {
00193 warned++;
00194 ast_verbose(VERBOSE_PREFIX_3 "Message count requested for mailbox %s but voicemail not loaded.\n", mailbox);
00195 }
00196
00197 return 0;
00198 }
00199
00200 int ast_app_messagecount(const char *context, const char *mailbox, const char *folder)
00201 {
00202 static int warned = 0;
00203 if (ast_messagecount_func)
00204 return ast_messagecount_func(context, mailbox, folder);
00205
00206 if (!warned && (option_verbose > 2)) {
00207 warned++;
00208 ast_verbose(VERBOSE_PREFIX_3 "Message count requested for mailbox %s@%s/%s but voicemail not loaded.\n", mailbox, context, folder);
00209 }
00210
00211 return 0;
00212 }
00213
00214 int ast_dtmf_stream(struct ast_channel *chan, struct ast_channel *peer, const char *digits, int between)
00215 {
00216 const char *ptr;
00217 int res = 0;
00218 struct ast_silence_generator *silgen = NULL;
00219
00220 if (!between)
00221 between = 100;
00222
00223 if (peer)
00224 res = ast_autoservice_start(peer);
00225
00226 if (!res)
00227 res = ast_waitfor(chan, 100);
00228
00229
00230 if (res < 0)
00231 return res;
00232
00233 if (ast_opt_transmit_silence) {
00234 silgen = ast_channel_start_silence_generator(chan);
00235 }
00236
00237 for (ptr = digits; *ptr; ptr++) {
00238 if (*ptr == 'w') {
00239
00240 if ((res = ast_safe_sleep(chan, 500)))
00241 break;
00242 } else if (strchr("0123456789*#abcdfABCDF", *ptr)) {
00243
00244 if (*ptr == 'f' || *ptr == 'F') {
00245
00246 ast_indicate(chan, AST_CONTROL_FLASH);
00247 } else
00248 ast_senddigit(chan, *ptr);
00249
00250 if ((res = ast_safe_sleep(chan, between)))
00251 break;
00252 } else
00253 ast_log(LOG_WARNING, "Illegal DTMF character '%c' in string. (0-9*#aAbBcCdD allowed)\n",*ptr);
00254 }
00255
00256 if (peer) {
00257
00258
00259 if (ast_autoservice_stop(peer) && !res)
00260 res = -1;
00261 }
00262
00263 if (silgen) {
00264 ast_channel_stop_silence_generator(chan, silgen);
00265 }
00266
00267 return res;
00268 }
00269
00270 struct linear_state {
00271 int fd;
00272 int autoclose;
00273 int allowoverride;
00274 int origwfmt;
00275 };
00276
00277 static void linear_release(struct ast_channel *chan, void *params)
00278 {
00279 struct linear_state *ls = params;
00280 if (ls->origwfmt && ast_set_write_format(chan, ls->origwfmt)) {
00281 ast_log(LOG_WARNING, "Unable to restore channel '%s' to format '%d'\n", chan->name, ls->origwfmt);
00282 }
00283 if (ls->autoclose)
00284 close(ls->fd);
00285 free(params);
00286 }
00287
00288 static int linear_generator(struct ast_channel *chan, void *data, int len, int samples)
00289 {
00290 struct ast_frame f;
00291 short buf[2048 + AST_FRIENDLY_OFFSET / 2];
00292 struct linear_state *ls = data;
00293 int res;
00294 len = samples * 2;
00295 if (len > sizeof(buf) - AST_FRIENDLY_OFFSET) {
00296 ast_log(LOG_WARNING, "Can't generate %d bytes of data!\n" ,len);
00297 len = sizeof(buf) - AST_FRIENDLY_OFFSET;
00298 }
00299 memset(&f, 0, sizeof(f));
00300 res = read(ls->fd, buf + AST_FRIENDLY_OFFSET/2, len);
00301 if (res > 0) {
00302 f.frametype = AST_FRAME_VOICE;
00303 f.subclass = AST_FORMAT_SLINEAR;
00304 f.data = buf + AST_FRIENDLY_OFFSET/2;
00305 f.datalen = res;
00306 f.samples = res / 2;
00307 f.offset = AST_FRIENDLY_OFFSET;
00308 ast_write(chan, &f);
00309 if (res == len)
00310 return 0;
00311 }
00312 return -1;
00313 }
00314
00315 static void *linear_alloc(struct ast_channel *chan, void *params)
00316 {
00317 struct linear_state *ls;
00318
00319 if (params) {
00320 ls = params;
00321 if (ls->allowoverride)
00322 ast_set_flag(chan, AST_FLAG_WRITE_INT);
00323 else
00324 ast_clear_flag(chan, AST_FLAG_WRITE_INT);
00325 ls->origwfmt = chan->writeformat;
00326 if (ast_set_write_format(chan, AST_FORMAT_SLINEAR)) {
00327 ast_log(LOG_WARNING, "Unable to set '%s' to linear format (write)\n", chan->name);
00328 free(ls);
00329 ls = params = NULL;
00330 }
00331 }
00332 return params;
00333 }
00334
00335 static struct ast_generator linearstream =
00336 {
00337 alloc: linear_alloc,
00338 release: linear_release,
00339 generate: linear_generator,
00340 };
00341
00342 int ast_linear_stream(struct ast_channel *chan, const char *filename, int fd, int allowoverride)
00343 {
00344 struct linear_state *lin;
00345 char tmpf[256];
00346 int res = -1;
00347 int autoclose = 0;
00348 if (fd < 0) {
00349 if (ast_strlen_zero(filename))
00350 return -1;
00351 autoclose = 1;
00352 if (filename[0] == '/')
00353 ast_copy_string(tmpf, filename, sizeof(tmpf));
00354 else
00355 snprintf(tmpf, sizeof(tmpf), "%s/%s/%s", (char *)ast_config_AST_DATA_DIR, "sounds", filename);
00356 fd = open(tmpf, O_RDONLY);
00357 if (fd < 0){
00358 ast_log(LOG_WARNING, "Unable to open file '%s': %s\n", tmpf, strerror(errno));
00359 return -1;
00360 }
00361 }
00362 if ((lin = ast_calloc(1, sizeof(*lin)))) {
00363 lin->fd = fd;
00364 lin->allowoverride = allowoverride;
00365 lin->autoclose = autoclose;
00366 res = ast_activate_generator(chan, &linearstream, lin);
00367 }
00368 return res;
00369 }
00370
00371 int ast_control_streamfile(struct ast_channel *chan, const char *file,
00372 const char *fwd, const char *rev,
00373 const char *stop, const char *pause,
00374 const char *restart, int skipms)
00375 {
00376 char *breaks = NULL;
00377 char *end = NULL;
00378 int blen = 2;
00379 int res;
00380 long pause_restart_point = 0;
00381
00382 if (stop)
00383 blen += strlen(stop);
00384 if (pause)
00385 blen += strlen(pause);
00386 if (restart)
00387 blen += strlen(restart);
00388
00389 if (blen > 2) {
00390 breaks = alloca(blen + 1);
00391 breaks[0] = '\0';
00392 if (stop)
00393 strcat(breaks, stop);
00394 if (pause)
00395 strcat(breaks, pause);
00396 if (restart)
00397 strcat(breaks, restart);
00398 }
00399 if (chan->_state != AST_STATE_UP)
00400 res = ast_answer(chan);
00401
00402 if (file) {
00403 if ((end = strchr(file,':'))) {
00404 if (!strcasecmp(end, ":end")) {
00405 *end = '\0';
00406 end++;
00407 }
00408 }
00409 }
00410
00411 for (;;) {
00412 ast_stopstream(chan);
00413 res = ast_streamfile(chan, file, chan->language);
00414 if (!res) {
00415 if (pause_restart_point) {
00416 ast_seekstream(chan->stream, pause_restart_point, SEEK_SET);
00417 pause_restart_point = 0;
00418 }
00419 else if (end) {
00420 ast_seekstream(chan->stream, 0, SEEK_END);
00421 end = NULL;
00422 };
00423 res = ast_waitstream_fr(chan, breaks, fwd, rev, skipms);
00424 }
00425
00426 if (res < 1)
00427 break;
00428
00429
00430 if (restart && strchr(restart, res)) {
00431 if (option_debug)
00432 ast_log(LOG_DEBUG, "we'll restart the stream here at next loop\n");
00433 pause_restart_point = 0;
00434 continue;
00435 }
00436
00437 if (pause && strchr(pause, res)) {
00438 pause_restart_point = ast_tellstream(chan->stream);
00439 for (;;) {
00440 ast_stopstream(chan);
00441 res = ast_waitfordigit(chan, 1000);
00442 if (!res)
00443 continue;
00444 else if (res == -1 || strchr(pause, res) || (stop && strchr(stop, res)))
00445 break;
00446 }
00447 if (res == *pause) {
00448 res = 0;
00449 continue;
00450 }
00451 }
00452
00453 if (res == -1)
00454 break;
00455
00456
00457 if (stop && strchr(stop, res))
00458 break;
00459 }
00460
00461
00462 if (res > 0 || chan->stream)
00463 res = (char)res;
00464
00465 ast_stopstream(chan);
00466
00467 return res;
00468 }
00469
00470 int ast_play_and_wait(struct ast_channel *chan, const char *fn)
00471 {
00472 int d;
00473 d = ast_streamfile(chan, fn, chan->language);
00474 if (d)
00475 return d;
00476 d = ast_waitstream(chan, AST_DIGIT_ANY);
00477 ast_stopstream(chan);
00478 return d;
00479 }
00480
00481 static int global_silence_threshold = 128;
00482 static int global_maxsilence = 0;
00483
00484
00485
00486
00487
00488
00489
00490
00491
00492
00493
00494
00495
00496
00497
00498
00499
00500 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)
00501 {
00502 int d = 0;
00503 char *fmts;
00504 char comment[256];
00505 int x, fmtcnt = 1, res = -1, outmsg = 0;
00506 struct ast_filestream *others[MAX_OTHER_FORMATS];
00507 char *sfmt[MAX_OTHER_FORMATS];
00508 char *stringp = NULL;
00509 time_t start, end;
00510 struct ast_dsp *sildet = NULL;
00511 int totalsilence = 0;
00512 int rfmt = 0;
00513 struct ast_silence_generator *silgen = NULL;
00514 char prependfile[80];
00515
00516 if (silencethreshold < 0)
00517 silencethreshold = global_silence_threshold;
00518
00519 if (maxsilence < 0)
00520 maxsilence = global_maxsilence;
00521
00522
00523 if (duration == NULL) {
00524 ast_log(LOG_WARNING, "Error play_and_record called without duration pointer\n");
00525 return -1;
00526 }
00527
00528 if (option_debug)
00529 ast_log(LOG_DEBUG,"play_and_record: %s, %s, '%s'\n", playfile ? playfile : "<None>", recordfile, fmt);
00530 snprintf(comment, sizeof(comment), "Playing %s, Recording to: %s on %s\n", playfile ? playfile : "<None>", recordfile, chan->name);
00531
00532 if (playfile || beep) {
00533 if (!beep)
00534 d = ast_play_and_wait(chan, playfile);
00535 if (d > -1)
00536 d = ast_stream_and_wait(chan, "beep", chan->language, "");
00537 if (d < 0)
00538 return -1;
00539 }
00540
00541 if (prepend) {
00542 ast_copy_string(prependfile, recordfile, sizeof(prependfile));
00543 strncat(prependfile, "-prepend", sizeof(prependfile) - strlen(prependfile) - 1);
00544 }
00545
00546 fmts = ast_strdupa(fmt);
00547
00548 stringp = fmts;
00549 strsep(&stringp, "|");
00550 if (option_debug)
00551 ast_log(LOG_DEBUG, "Recording Formats: sfmts=%s\n", fmts);
00552 sfmt[0] = ast_strdupa(fmts);
00553
00554 while ((fmt = strsep(&stringp, "|"))) {
00555 if (fmtcnt > MAX_OTHER_FORMATS - 1) {
00556 ast_log(LOG_WARNING, "Please increase MAX_OTHER_FORMATS in app.c\n");
00557 break;
00558 }
00559 sfmt[fmtcnt++] = ast_strdupa(fmt);
00560 }
00561
00562 end = start = time(NULL);
00563 for (x = 0; x < fmtcnt; x++) {
00564 others[x] = ast_writefile(prepend ? prependfile : recordfile, sfmt[x], comment, O_TRUNC, 0, 0777);
00565 if (option_verbose > 2)
00566 ast_verbose(VERBOSE_PREFIX_3 "x=%d, open writing: %s format: %s, %p\n", x, prepend ? prependfile : recordfile, sfmt[x], others[x]);
00567
00568 if (!others[x])
00569 break;
00570 }
00571
00572 if (path)
00573 ast_unlock_path(path);
00574
00575 if (maxsilence > 0) {
00576 sildet = ast_dsp_new();
00577 if (!sildet) {
00578 ast_log(LOG_WARNING, "Unable to create silence detector :(\n");
00579 return -1;
00580 }
00581 ast_dsp_set_threshold(sildet, silencethreshold);
00582 rfmt = chan->readformat;
00583 res = ast_set_read_format(chan, AST_FORMAT_SLINEAR);
00584 if (res < 0) {
00585 ast_log(LOG_WARNING, "Unable to set to linear mode, giving up\n");
00586 ast_dsp_free(sildet);
00587 return -1;
00588 }
00589 }
00590
00591 if (!prepend) {
00592
00593 ast_indicate(chan, AST_CONTROL_VIDUPDATE);
00594
00595 if (ast_opt_transmit_silence)
00596 silgen = ast_channel_start_silence_generator(chan);
00597 }
00598
00599 if (x == fmtcnt) {
00600
00601
00602 struct ast_frame *f;
00603 for (;;) {
00604 res = ast_waitfor(chan, 2000);
00605 if (!res) {
00606 if (option_debug)
00607 ast_log(LOG_DEBUG, "One waitfor failed, trying another\n");
00608
00609 res = ast_waitfor(chan, 2000);
00610 if (!res) {
00611 ast_log(LOG_WARNING, "No audio available on %s??\n", chan->name);
00612 res = -1;
00613 }
00614 }
00615
00616 if (res < 0) {
00617 f = NULL;
00618 break;
00619 }
00620 f = ast_read(chan);
00621 if (!f)
00622 break;
00623 if (f->frametype == AST_FRAME_VOICE) {
00624
00625 for (x = 0; x < fmtcnt; x++) {
00626 if (prepend && !others[x])
00627 break;
00628 res = ast_writestream(others[x], f);
00629 }
00630
00631
00632 if (maxsilence > 0) {
00633 int dspsilence = 0;
00634 ast_dsp_silence(sildet, f, &dspsilence);
00635 if (dspsilence)
00636 totalsilence = dspsilence;
00637 else
00638 totalsilence = 0;
00639
00640 if (totalsilence > maxsilence) {
00641
00642 if (option_verbose > 2)
00643 ast_verbose( VERBOSE_PREFIX_3 "Recording automatically stopped after a silence of %d seconds\n", totalsilence/1000);
00644 res = 'S';
00645 outmsg = 2;
00646 break;
00647 }
00648 }
00649
00650 if (res) {
00651 ast_log(LOG_WARNING, "Error writing frame\n");
00652 break;
00653 }
00654 } else if (f->frametype == AST_FRAME_VIDEO) {
00655
00656 ast_writestream(others[0], f);
00657 } else if (f->frametype == AST_FRAME_DTMF) {
00658 if (prepend) {
00659
00660 if (option_verbose > 2)
00661 ast_verbose(VERBOSE_PREFIX_3 "User ended message by pressing %c\n", f->subclass);
00662 res = 't';
00663 outmsg = 2;
00664 break;
00665 }
00666 if (strchr(acceptdtmf, f->subclass)) {
00667 if (option_verbose > 2)
00668 ast_verbose(VERBOSE_PREFIX_3 "User ended message by pressing %c\n", f->subclass);
00669 res = f->subclass;
00670 outmsg = 2;
00671 break;
00672 }
00673 if (strchr(canceldtmf, f->subclass)) {
00674 if (option_verbose > 2)
00675 ast_verbose(VERBOSE_PREFIX_3 "User cancelled message by pressing %c\n", f->subclass);
00676 res = f->subclass;
00677 outmsg = 0;
00678 break;
00679 }
00680 }
00681 if (maxtime) {
00682 end = time(NULL);
00683 if (maxtime < (end - start)) {
00684 if (option_verbose > 2)
00685 ast_verbose(VERBOSE_PREFIX_3 "Took too long, cutting it short...\n");
00686 res = 't';
00687 outmsg = 2;
00688 break;
00689 }
00690 }
00691 ast_frfree(f);
00692 }
00693 if (!f) {
00694 if (option_verbose > 2)
00695 ast_verbose(VERBOSE_PREFIX_3 "User hung up\n");
00696 res = -1;
00697 outmsg = 1;
00698 } else {
00699 ast_frfree(f);
00700 }
00701 } else {
00702 ast_log(LOG_WARNING, "Error creating writestream '%s', format '%s'\n", recordfile, sfmt[x]);
00703 }
00704
00705 if (!prepend) {
00706 if (silgen)
00707 ast_channel_stop_silence_generator(chan, silgen);
00708 }
00709
00710
00711
00712
00713
00714
00715
00716
00717
00718
00719 *duration = others[0] ? ast_tellstream(others[0]) / 8000 : 0;
00720
00721 if (!prepend) {
00722 for (x = 0; x < fmtcnt; x++) {
00723 if (!others[x])
00724 break;
00725
00726
00727
00728
00729
00730 if (res > 0 && totalsilence)
00731 ast_stream_rewind(others[x], totalsilence - 200);
00732 ast_truncstream(others[x]);
00733 ast_closestream(others[x]);
00734 }
00735 }
00736
00737 if (prepend && outmsg) {
00738 struct ast_filestream *realfiles[MAX_OTHER_FORMATS];
00739 struct ast_frame *fr;
00740
00741 for (x = 0; x < fmtcnt; x++) {
00742 snprintf(comment, sizeof(comment), "Opening the real file %s.%s\n", recordfile, sfmt[x]);
00743 realfiles[x] = ast_readfile(recordfile, sfmt[x], comment, O_RDONLY, 0, 0);
00744 if (!others[x] || !realfiles[x])
00745 break;
00746
00747 if (totalsilence)
00748 ast_stream_rewind(others[x], totalsilence - 200);
00749 ast_truncstream(others[x]);
00750
00751 while ((fr = ast_readframe(realfiles[x]))) {
00752 ast_writestream(others[x], fr);
00753 ast_frfree(fr);
00754 }
00755 ast_closestream(others[x]);
00756 ast_closestream(realfiles[x]);
00757 ast_filerename(prependfile, recordfile, sfmt[x]);
00758 if (option_verbose > 3)
00759 ast_verbose(VERBOSE_PREFIX_4 "Recording Format: sfmts=%s, prependfile %s, recordfile %s\n", sfmt[x], prependfile, recordfile);
00760 ast_filedelete(prependfile, sfmt[x]);
00761 }
00762 }
00763 if (rfmt && ast_set_read_format(chan, rfmt)) {
00764 ast_log(LOG_WARNING, "Unable to restore format %s to channel '%s'\n", ast_getformatname(rfmt), chan->name);
00765 }
00766 if (outmsg == 2) {
00767 ast_stream_and_wait(chan, "auth-thankyou", chan->language, "");
00768 }
00769 if (sildet)
00770 ast_dsp_free(sildet);
00771 return res;
00772 }
00773
00774 static char default_acceptdtmf[] = "#";
00775 static char default_canceldtmf[] = "";
00776
00777 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)
00778 {
00779 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));
00780 }
00781
00782 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)
00783 {
00784 return __ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, 0, silencethreshold, maxsilence, path, 0, default_acceptdtmf, default_canceldtmf);
00785 }
00786
00787 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)
00788 {
00789 return __ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, beep, silencethreshold, maxsilence, NULL, 1, default_acceptdtmf, default_canceldtmf);
00790 }
00791
00792
00793
00794 int ast_app_group_split_group(const char *data, char *group, int group_max, char *category, int category_max)
00795 {
00796 int res=0;
00797 char tmp[256];
00798 char *grp=NULL, *cat=NULL;
00799
00800 if (!ast_strlen_zero(data)) {
00801 ast_copy_string(tmp, data, sizeof(tmp));
00802 grp = tmp;
00803 cat = strchr(tmp, '@');
00804 if (cat) {
00805 *cat = '\0';
00806 cat++;
00807 }
00808 }
00809
00810 if (!ast_strlen_zero(grp))
00811 ast_copy_string(group, grp, group_max);
00812 else
00813 *group = '\0';
00814
00815 if (!ast_strlen_zero(cat))
00816 ast_copy_string(category, cat, category_max);
00817
00818 return res;
00819 }
00820
00821 int ast_app_group_set_channel(struct ast_channel *chan, const char *data)
00822 {
00823 int res = 0;
00824 char group[80] = "", category[80] = "";
00825 struct ast_group_info *gi = NULL;
00826 size_t len = 0;
00827
00828 if (ast_app_group_split_group(data, group, sizeof(group), category, sizeof(category)))
00829 return -1;
00830
00831
00832 len = sizeof(*gi) + strlen(group) + 1;
00833 if (!ast_strlen_zero(category))
00834 len += strlen(category) + 1;
00835
00836 AST_LIST_LOCK(&groups);
00837 AST_LIST_TRAVERSE_SAFE_BEGIN(&groups, gi, list) {
00838 if ((gi->chan == chan) && ((ast_strlen_zero(category) && ast_strlen_zero(gi->category)) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category)))) {
00839 AST_LIST_REMOVE_CURRENT(&groups, list);
00840 free(gi);
00841 break;
00842 }
00843 }
00844 AST_LIST_TRAVERSE_SAFE_END
00845
00846 if (ast_strlen_zero(group)) {
00847
00848 } else if ((gi = calloc(1, len))) {
00849 gi->chan = chan;
00850 gi->group = (char *) gi + sizeof(*gi);
00851 strcpy(gi->group, group);
00852 if (!ast_strlen_zero(category)) {
00853 gi->category = (char *) gi + sizeof(*gi) + strlen(group) + 1;
00854 strcpy(gi->category, category);
00855 }
00856 AST_LIST_INSERT_TAIL(&groups, gi, list);
00857 } else {
00858 res = -1;
00859 }
00860
00861 AST_LIST_UNLOCK(&groups);
00862
00863 return res;
00864 }
00865
00866 int ast_app_group_get_count(const char *group, const char *category)
00867 {
00868 struct ast_group_info *gi = NULL;
00869 int count = 0;
00870
00871 if (ast_strlen_zero(group))
00872 return 0;
00873
00874 AST_LIST_LOCK(&groups);
00875 AST_LIST_TRAVERSE(&groups, gi, list) {
00876 if (!strcasecmp(gi->group, group) && (ast_strlen_zero(category) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category))))
00877 count++;
00878 }
00879 AST_LIST_UNLOCK(&groups);
00880
00881 return count;
00882 }
00883
00884 int ast_app_group_match_get_count(const char *groupmatch, const char *category)
00885 {
00886 struct ast_group_info *gi = NULL;
00887 regex_t regexbuf;
00888 int count = 0;
00889
00890 if (ast_strlen_zero(groupmatch))
00891 return 0;
00892
00893
00894 if (regcomp(®exbuf, groupmatch, REG_EXTENDED | REG_NOSUB))
00895 return 0;
00896
00897 AST_LIST_LOCK(&groups);
00898 AST_LIST_TRAVERSE(&groups, gi, list) {
00899 if (!regexec(®exbuf, gi->group, 0, NULL, 0) && (ast_strlen_zero(category) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category))))
00900 count++;
00901 }
00902 AST_LIST_UNLOCK(&groups);
00903
00904 regfree(®exbuf);
00905
00906 return count;
00907 }
00908
00909 int ast_app_group_update(struct ast_channel *old, struct ast_channel *new)
00910 {
00911 struct ast_group_info *gi = NULL;
00912
00913 AST_LIST_LOCK(&groups);
00914 AST_LIST_TRAVERSE(&groups, gi, list) {
00915 if (gi->chan == old)
00916 gi->chan = new;
00917 }
00918 AST_LIST_UNLOCK(&groups);
00919
00920 return 0;
00921 }
00922
00923 int ast_app_group_discard(struct ast_channel *chan)
00924 {
00925 struct ast_group_info *gi = NULL;
00926
00927 AST_LIST_LOCK(&groups);
00928 AST_LIST_TRAVERSE_SAFE_BEGIN(&groups, gi, list) {
00929 if (gi->chan == chan) {
00930 AST_LIST_REMOVE_CURRENT(&groups, list);
00931 free(gi);
00932 }
00933 }
00934 AST_LIST_TRAVERSE_SAFE_END
00935 AST_LIST_UNLOCK(&groups);
00936
00937 return 0;
00938 }
00939
00940 int ast_app_group_list_lock(void)
00941 {
00942 return AST_LIST_LOCK(&groups);
00943 }
00944
00945 struct ast_group_info *ast_app_group_list_head(void)
00946 {
00947 return AST_LIST_FIRST(&groups);
00948 }
00949
00950 int ast_app_group_list_unlock(void)
00951 {
00952 return AST_LIST_UNLOCK(&groups);
00953 }
00954
00955 unsigned int ast_app_separate_args(char *buf, char delim, char **array, int arraylen)
00956 {
00957 int argc;
00958 char *scan;
00959 int paren = 0, quote = 0;
00960
00961 if (!buf || !array || !arraylen)
00962 return 0;
00963
00964 memset(array, 0, arraylen * sizeof(*array));
00965
00966 scan = buf;
00967
00968 for (argc = 0; *scan && (argc < arraylen - 1); argc++) {
00969 array[argc] = scan;
00970 for (; *scan; scan++) {
00971 if (*scan == '(')
00972 paren++;
00973 else if (*scan == ')') {
00974 if (paren)
00975 paren--;
00976 } else if (*scan == '"' && delim != '"') {
00977 quote = quote ? 0 : 1;
00978
00979 memmove(scan, scan + 1, strlen(scan));
00980 scan--;
00981 } else if (*scan == '\\') {
00982
00983 memmove(scan, scan + 1, strlen(scan));
00984 } else if ((*scan == delim) && !paren && !quote) {
00985 *scan++ = '\0';
00986 break;
00987 }
00988 }
00989 }
00990
00991 if (*scan)
00992 array[argc++] = scan;
00993
00994 return argc;
00995 }
00996
00997 enum AST_LOCK_RESULT ast_lock_path(const char *path)
00998 {
00999 char *s;
01000 char *fs;
01001 int res;
01002 int fd;
01003 int lp = strlen(path);
01004 time_t start;
01005
01006 if (!(s = alloca(lp + 10)) || !(fs = alloca(lp + 20))) {
01007 ast_log(LOG_WARNING, "Out of memory!\n");
01008 return AST_LOCK_FAILURE;
01009 }
01010
01011 snprintf(fs, strlen(path) + 19, "%s/.lock-%08lx", path, ast_random());
01012 fd = open(fs, O_WRONLY | O_CREAT | O_EXCL, 0600);
01013 if (fd < 0) {
01014 ast_log(LOG_ERROR, "Unable to create lock file '%s': %s\n", path, strerror(errno));
01015 return AST_LOCK_PATH_NOT_FOUND;
01016 }
01017 close(fd);
01018
01019 snprintf(s, strlen(path) + 9, "%s/.lock", path);
01020 start = time(NULL);
01021 while (((res = link(fs, s)) < 0) && (errno == EEXIST) && (time(NULL) - start < 5))
01022 usleep(1);
01023
01024 unlink(fs);
01025
01026 if (res) {
01027 ast_log(LOG_WARNING, "Failed to lock path '%s': %s\n", path, strerror(errno));
01028 return AST_LOCK_TIMEOUT;
01029 } else {
01030 if (option_debug)
01031 ast_log(LOG_DEBUG, "Locked path '%s'\n", path);
01032 return AST_LOCK_SUCCESS;
01033 }
01034 }
01035
01036 int ast_unlock_path(const char *path)
01037 {
01038 char *s;
01039 int res;
01040
01041 if (!(s = alloca(strlen(path) + 10))) {
01042 ast_log(LOG_WARNING, "Out of memory!\n");
01043 return -1;
01044 }
01045
01046 snprintf(s, strlen(path) + 9, "%s/%s", path, ".lock");
01047
01048 if ((res = unlink(s)))
01049 ast_log(LOG_ERROR, "Could not unlock path '%s': %s\n", path, strerror(errno));
01050 else {
01051 if (option_debug)
01052 ast_log(LOG_DEBUG, "Unlocked path '%s'\n", path);
01053 }
01054
01055 return res;
01056 }
01057
01058 int ast_record_review(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime, const char *fmt, int *duration, const char *path)
01059 {
01060 int silencethreshold = 128;
01061 int maxsilence=0;
01062 int res = 0;
01063 int cmd = 0;
01064 int max_attempts = 3;
01065 int attempts = 0;
01066 int recorded = 0;
01067 int message_exists = 0;
01068
01069
01070
01071 if (duration == NULL) {
01072 ast_log(LOG_WARNING, "Error ast_record_review called without duration pointer\n");
01073 return -1;
01074 }
01075
01076 cmd = '3';
01077
01078 while ((cmd >= 0) && (cmd != 't')) {
01079 switch (cmd) {
01080 case '1':
01081 if (!message_exists) {
01082
01083 cmd = '3';
01084 break;
01085 } else {
01086 ast_stream_and_wait(chan, "vm-msgsaved", chan->language, "");
01087 cmd = 't';
01088 return res;
01089 }
01090 case '2':
01091
01092 ast_verbose(VERBOSE_PREFIX_3 "Reviewing the recording\n");
01093 cmd = ast_stream_and_wait(chan, recordfile, chan->language, AST_DIGIT_ANY);
01094 break;
01095 case '3':
01096 message_exists = 0;
01097
01098 if (recorded == 1)
01099 ast_verbose(VERBOSE_PREFIX_3 "Re-recording\n");
01100 else
01101 ast_verbose(VERBOSE_PREFIX_3 "Recording\n");
01102 recorded = 1;
01103 cmd = ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, silencethreshold, maxsilence, path);
01104 if (cmd == -1) {
01105
01106 return cmd;
01107 }
01108 if (cmd == '0') {
01109 break;
01110 } else if (cmd == '*') {
01111 break;
01112 }
01113 else {
01114
01115 message_exists = 1;
01116 cmd = 0;
01117 }
01118 break;
01119 case '4':
01120 case '5':
01121 case '6':
01122 case '7':
01123 case '8':
01124 case '9':
01125 case '*':
01126 case '#':
01127 cmd = ast_play_and_wait(chan, "vm-sorry");
01128 break;
01129 default:
01130 if (message_exists) {
01131 cmd = ast_play_and_wait(chan, "vm-review");
01132 }
01133 else {
01134 cmd = ast_play_and_wait(chan, "vm-torerecord");
01135 if (!cmd)
01136 cmd = ast_waitfordigit(chan, 600);
01137 }
01138
01139 if (!cmd)
01140 cmd = ast_waitfordigit(chan, 6000);
01141 if (!cmd) {
01142 attempts++;
01143 }
01144 if (attempts > max_attempts) {
01145 cmd = 't';
01146 }
01147 }
01148 }
01149 if (cmd == 't')
01150 cmd = 0;
01151 return cmd;
01152 }
01153
01154 #define RES_UPONE (1 << 16)
01155 #define RES_EXIT (1 << 17)
01156 #define RES_REPEAT (1 << 18)
01157 #define RES_RESTART ((1 << 19) | RES_REPEAT)
01158
01159 static int ast_ivr_menu_run_internal(struct ast_channel *chan, struct ast_ivr_menu *menu, void *cbdata);
01160
01161 static int ivr_dispatch(struct ast_channel *chan, struct ast_ivr_option *option, char *exten, void *cbdata)
01162 {
01163 int res;
01164 int (*ivr_func)(struct ast_channel *, void *);
01165 char *c;
01166 char *n;
01167
01168 switch(option->action) {
01169 case AST_ACTION_UPONE:
01170 return RES_UPONE;
01171 case AST_ACTION_EXIT:
01172 return RES_EXIT | (((unsigned long)(option->adata)) & 0xffff);
01173 case AST_ACTION_REPEAT:
01174 return RES_REPEAT | (((unsigned long)(option->adata)) & 0xffff);
01175 case AST_ACTION_RESTART:
01176 return RES_RESTART ;
01177 case AST_ACTION_NOOP:
01178 return 0;
01179 case AST_ACTION_BACKGROUND:
01180 res = ast_stream_and_wait(chan, (char *)option->adata, chan->language, AST_DIGIT_ANY);
01181 if (res < 0) {
01182 ast_log(LOG_NOTICE, "Unable to find file '%s'!\n", (char *)option->adata);
01183 res = 0;
01184 }
01185 return res;
01186 case AST_ACTION_PLAYBACK:
01187 res = ast_stream_and_wait(chan, (char *)option->adata, chan->language, "");
01188 if (res < 0) {
01189 ast_log(LOG_NOTICE, "Unable to find file '%s'!\n", (char *)option->adata);
01190 res = 0;
01191 }
01192 return res;
01193 case AST_ACTION_MENU:
01194 res = ast_ivr_menu_run_internal(chan, (struct ast_ivr_menu *)option->adata, cbdata);
01195
01196 if (res == -2)
01197 res = 0;
01198 return res;
01199 case AST_ACTION_WAITOPTION:
01200 res = ast_waitfordigit(chan, 1000 * (chan->pbx ? chan->pbx->rtimeout : 10));
01201 if (!res)
01202 return 't';
01203 return res;
01204 case AST_ACTION_CALLBACK:
01205 ivr_func = option->adata;
01206 res = ivr_func(chan, cbdata);
01207 return res;
01208 case AST_ACTION_TRANSFER:
01209 res = ast_parseable_goto(chan, option->adata);
01210 return 0;
01211 case AST_ACTION_PLAYLIST:
01212 case AST_ACTION_BACKLIST:
01213 res = 0;
01214 c = ast_strdupa(option->adata);
01215 while ((n = strsep(&c, ";"))) {
01216 if ((res = ast_stream_and_wait(chan, n, chan->language,
01217 (option->action == AST_ACTION_BACKLIST) ? AST_DIGIT_ANY : "")))
01218 break;
01219 }
01220 ast_stopstream(chan);
01221 return res;
01222 default:
01223 ast_log(LOG_NOTICE, "Unknown dispatch function %d, ignoring!\n", option->action);
01224 return 0;
01225 };
01226 return -1;
01227 }
01228
01229 static int option_exists(struct ast_ivr_menu *menu, char *option)
01230 {
01231 int x;
01232 for (x = 0; menu->options[x].option; x++)
01233 if (!strcasecmp(menu->options[x].option, option))
01234 return x;
01235 return -1;
01236 }
01237
01238 static int option_matchmore(struct ast_ivr_menu *menu, char *option)
01239 {
01240 int x;
01241 for (x = 0; menu->options[x].option; x++)
01242 if ((!strncasecmp(menu->options[x].option, option, strlen(option))) &&
01243 (menu->options[x].option[strlen(option)]))
01244 return x;
01245 return -1;
01246 }
01247
01248 static int read_newoption(struct ast_channel *chan, struct ast_ivr_menu *menu, char *exten, int maxexten)
01249 {
01250 int res=0;
01251 int ms;
01252 while (option_matchmore(menu, exten)) {
01253 ms = chan->pbx ? chan->pbx->dtimeout : 5000;
01254 if (strlen(exten) >= maxexten - 1)
01255 break;
01256 res = ast_waitfordigit(chan, ms);
01257 if (res < 1)
01258 break;
01259 exten[strlen(exten) + 1] = '\0';
01260 exten[strlen(exten)] = res;
01261 }
01262 return res > 0 ? 0 : res;
01263 }
01264
01265 static int ast_ivr_menu_run_internal(struct ast_channel *chan, struct ast_ivr_menu *menu, void *cbdata)
01266 {
01267
01268 int res=0;
01269 int pos = 0;
01270 int retries = 0;
01271 char exten[AST_MAX_EXTENSION] = "s";
01272 if (option_exists(menu, "s") < 0) {
01273 strcpy(exten, "g");
01274 if (option_exists(menu, "g") < 0) {
01275 ast_log(LOG_WARNING, "No 's' nor 'g' extension in menu '%s'!\n", menu->title);
01276 return -1;
01277 }
01278 }
01279 while(!res) {
01280 while(menu->options[pos].option) {
01281 if (!strcasecmp(menu->options[pos].option, exten)) {
01282 res = ivr_dispatch(chan, menu->options + pos, exten, cbdata);
01283 if (option_debug)
01284 ast_log(LOG_DEBUG, "IVR Dispatch of '%s' (pos %d) yields %d\n", exten, pos, res);
01285 if (res < 0)
01286 break;
01287 else if (res & RES_UPONE)
01288 return 0;
01289 else if (res & RES_EXIT)
01290 return res;
01291 else if (res & RES_REPEAT) {
01292 int maxretries = res & 0xffff;
01293 if ((res & RES_RESTART) == RES_RESTART) {
01294 retries = 0;
01295 } else
01296 retries++;
01297 if (!maxretries)
01298 maxretries = 3;
01299 if ((maxretries > 0) && (retries >= maxretries)) {
01300 if (option_debug)
01301 ast_log(LOG_DEBUG, "Max retries %d exceeded\n", maxretries);
01302 return -2;
01303 } else {
01304 if (option_exists(menu, "g") > -1)
01305 strcpy(exten, "g");
01306 else if (option_exists(menu, "s") > -1)
01307 strcpy(exten, "s");
01308 }
01309 pos = 0;
01310 continue;
01311 } else if (res && strchr(AST_DIGIT_ANY, res)) {
01312 if (option_debug)
01313 ast_log(LOG_DEBUG, "Got start of extension, %c\n", res);
01314 exten[1] = '\0';
01315 exten[0] = res;
01316 if ((res = read_newoption(chan, menu, exten, sizeof(exten))))
01317 break;
01318 if (option_exists(menu, exten) < 0) {
01319 if (option_exists(menu, "i")) {
01320 if (option_debug)
01321 ast_log(LOG_DEBUG, "Invalid extension entered, going to 'i'!\n");
01322 strcpy(exten, "i");
01323 pos = 0;
01324 continue;
01325 } else {
01326 if (option_debug)
01327 ast_log(LOG_DEBUG, "Aborting on invalid entry, with no 'i' option!\n");
01328 res = -2;
01329 break;
01330 }
01331 } else {
01332 if (option_debug)
01333 ast_log(LOG_DEBUG, "New existing extension: %s\n", exten);
01334 pos = 0;
01335 continue;
01336 }
01337 }
01338 }
01339 pos++;
01340 }
01341 if (option_debug)
01342 ast_log(LOG_DEBUG, "Stopping option '%s', res is %d\n", exten, res);
01343 pos = 0;
01344 if (!strcasecmp(exten, "s"))
01345 strcpy(exten, "g");
01346 else
01347 break;
01348 }
01349 return res;
01350 }
01351
01352 int ast_ivr_menu_run(struct ast_channel *chan, struct ast_ivr_menu *menu, void *cbdata)
01353 {
01354 int res = ast_ivr_menu_run_internal(chan, menu, cbdata);
01355
01356 return res > 0 ? 0 : res;
01357 }
01358
01359 char *ast_read_textfile(const char *filename)
01360 {
01361 int fd;
01362 char *output = NULL;
01363 struct stat filesize;
01364 int count = 0;
01365 int res;
01366 if (stat(filename, &filesize) == -1) {
01367 ast_log(LOG_WARNING, "Error can't stat %s\n", filename);
01368 return NULL;
01369 }
01370 count = filesize.st_size + 1;
01371 fd = open(filename, O_RDONLY);
01372 if (fd < 0) {
01373 ast_log(LOG_WARNING, "Cannot open file '%s' for reading: %s\n", filename, strerror(errno));
01374 return NULL;
01375 }
01376 if ((output = ast_malloc(count))) {
01377 res = read(fd, output, count - 1);
01378 if (res == count - 1) {
01379 output[res] = '\0';
01380 } else {
01381 ast_log(LOG_WARNING, "Short read of %s (%d of %d): %s\n", filename, res, count - 1, strerror(errno));
01382 free(output);
01383 output = NULL;
01384 }
01385 }
01386 close(fd);
01387 return output;
01388 }
01389
01390 int ast_app_parse_options(const struct ast_app_option *options, struct ast_flags *flags, char **args, char *optstr)
01391 {
01392 char *s;
01393 int curarg;
01394 unsigned int argloc;
01395 char *arg;
01396 int res = 0;
01397
01398 ast_clear_flag(flags, AST_FLAGS_ALL);
01399
01400 if (!optstr)
01401 return 0;
01402
01403 s = optstr;
01404 while (*s) {
01405 curarg = *s++ & 0x7f;
01406 argloc = options[curarg].arg_index;
01407 if (*s == '(') {
01408
01409 arg = ++s;
01410 if ((s = strchr(s, ')'))) {
01411 if (argloc)
01412 args[argloc - 1] = arg;
01413 *s++ = '\0';
01414 } else {
01415 ast_log(LOG_WARNING, "Missing closing parenthesis for argument '%c' in string '%s'\n", curarg, arg);
01416 res = -1;
01417 break;
01418 }
01419 } else if (argloc) {
01420 args[argloc - 1] = "";
01421 }
01422 ast_set_flag(flags, options[curarg].flag);
01423 }
01424
01425 return res;
01426 }
01427