00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026 #include "asterisk.h"
00027
00028 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 89709 $")
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
00219 if (!between)
00220 between = 100;
00221
00222 if (peer)
00223 res = ast_autoservice_start(peer);
00224
00225 if (!res)
00226 res = ast_waitfor(chan, 100);
00227
00228
00229 if (res < 0)
00230 return res;
00231
00232 for (ptr = digits; *ptr; ptr++) {
00233 if (*ptr == 'w') {
00234
00235 if ((res = ast_safe_sleep(chan, 500)))
00236 break;
00237 } else if (strchr("0123456789*#abcdfABCDF", *ptr)) {
00238
00239 if (*ptr == 'f' || *ptr == 'F') {
00240
00241 ast_indicate(chan, AST_CONTROL_FLASH);
00242 } else
00243 ast_senddigit(chan, *ptr);
00244
00245 if ((res = ast_safe_sleep(chan, between)))
00246 break;
00247 } else
00248 ast_log(LOG_WARNING, "Illegal DTMF character '%c' in string. (0-9*#aAbBcCdD allowed)\n",*ptr);
00249 }
00250
00251 if (peer) {
00252
00253
00254 if (ast_autoservice_stop(peer) && !res)
00255 res = -1;
00256 }
00257
00258 return res;
00259 }
00260
00261 struct linear_state {
00262 int fd;
00263 int autoclose;
00264 int allowoverride;
00265 int origwfmt;
00266 };
00267
00268 static void linear_release(struct ast_channel *chan, void *params)
00269 {
00270 struct linear_state *ls = params;
00271 if (ls->origwfmt && ast_set_write_format(chan, ls->origwfmt)) {
00272 ast_log(LOG_WARNING, "Unable to restore channel '%s' to format '%d'\n", chan->name, ls->origwfmt);
00273 }
00274 if (ls->autoclose)
00275 close(ls->fd);
00276 free(params);
00277 }
00278
00279 static int linear_generator(struct ast_channel *chan, void *data, int len, int samples)
00280 {
00281 struct ast_frame f;
00282 short buf[2048 + AST_FRIENDLY_OFFSET / 2];
00283 struct linear_state *ls = data;
00284 int res;
00285 len = samples * 2;
00286 if (len > sizeof(buf) - AST_FRIENDLY_OFFSET) {
00287 ast_log(LOG_WARNING, "Can't generate %d bytes of data!\n" ,len);
00288 len = sizeof(buf) - AST_FRIENDLY_OFFSET;
00289 }
00290 memset(&f, 0, sizeof(f));
00291 res = read(ls->fd, buf + AST_FRIENDLY_OFFSET/2, len);
00292 if (res > 0) {
00293 f.frametype = AST_FRAME_VOICE;
00294 f.subclass = AST_FORMAT_SLINEAR;
00295 f.data = buf + AST_FRIENDLY_OFFSET/2;
00296 f.datalen = res;
00297 f.samples = res / 2;
00298 f.offset = AST_FRIENDLY_OFFSET;
00299 ast_write(chan, &f);
00300 if (res == len)
00301 return 0;
00302 }
00303 return -1;
00304 }
00305
00306 static void *linear_alloc(struct ast_channel *chan, void *params)
00307 {
00308 struct linear_state *ls;
00309
00310 if (params) {
00311 ls = params;
00312 if (ls->allowoverride)
00313 ast_set_flag(chan, AST_FLAG_WRITE_INT);
00314 else
00315 ast_clear_flag(chan, AST_FLAG_WRITE_INT);
00316 ls->origwfmt = chan->writeformat;
00317 if (ast_set_write_format(chan, AST_FORMAT_SLINEAR)) {
00318 ast_log(LOG_WARNING, "Unable to set '%s' to linear format (write)\n", chan->name);
00319 free(ls);
00320 ls = params = NULL;
00321 }
00322 }
00323 return params;
00324 }
00325
00326 static struct ast_generator linearstream =
00327 {
00328 alloc: linear_alloc,
00329 release: linear_release,
00330 generate: linear_generator,
00331 };
00332
00333 int ast_linear_stream(struct ast_channel *chan, const char *filename, int fd, int allowoverride)
00334 {
00335 struct linear_state *lin;
00336 char tmpf[256];
00337 int res = -1;
00338 int autoclose = 0;
00339 if (fd < 0) {
00340 if (ast_strlen_zero(filename))
00341 return -1;
00342 autoclose = 1;
00343 if (filename[0] == '/')
00344 ast_copy_string(tmpf, filename, sizeof(tmpf));
00345 else
00346 snprintf(tmpf, sizeof(tmpf), "%s/%s/%s", (char *)ast_config_AST_DATA_DIR, "sounds", filename);
00347 fd = open(tmpf, O_RDONLY);
00348 if (fd < 0){
00349 ast_log(LOG_WARNING, "Unable to open file '%s': %s\n", tmpf, strerror(errno));
00350 return -1;
00351 }
00352 }
00353 if ((lin = ast_calloc(1, sizeof(*lin)))) {
00354 lin->fd = fd;
00355 lin->allowoverride = allowoverride;
00356 lin->autoclose = autoclose;
00357 res = ast_activate_generator(chan, &linearstream, lin);
00358 }
00359 return res;
00360 }
00361
00362 int ast_control_streamfile(struct ast_channel *chan, const char *file,
00363 const char *fwd, const char *rev,
00364 const char *stop, const char *pause,
00365 const char *restart, int skipms)
00366 {
00367 char *breaks = NULL;
00368 char *end = NULL;
00369 int blen = 2;
00370 int res;
00371 long pause_restart_point = 0;
00372
00373 if (stop)
00374 blen += strlen(stop);
00375 if (pause)
00376 blen += strlen(pause);
00377 if (restart)
00378 blen += strlen(restart);
00379
00380 if (blen > 2) {
00381 breaks = alloca(blen + 1);
00382 breaks[0] = '\0';
00383 if (stop)
00384 strcat(breaks, stop);
00385 if (pause)
00386 strcat(breaks, pause);
00387 if (restart)
00388 strcat(breaks, restart);
00389 }
00390 if (chan->_state != AST_STATE_UP)
00391 res = ast_answer(chan);
00392
00393 if (file) {
00394 if ((end = strchr(file,':'))) {
00395 if (!strcasecmp(end, ":end")) {
00396 *end = '\0';
00397 end++;
00398 }
00399 }
00400 }
00401
00402 for (;;) {
00403 ast_stopstream(chan);
00404 res = ast_streamfile(chan, file, chan->language);
00405 if (!res) {
00406 if (pause_restart_point) {
00407 ast_seekstream(chan->stream, pause_restart_point, SEEK_SET);
00408 pause_restart_point = 0;
00409 }
00410 else if (end) {
00411 ast_seekstream(chan->stream, 0, SEEK_END);
00412 end = NULL;
00413 };
00414 res = ast_waitstream_fr(chan, breaks, fwd, rev, skipms);
00415 }
00416
00417 if (res < 1)
00418 break;
00419
00420
00421 if (restart && strchr(restart, res)) {
00422 if (option_debug)
00423 ast_log(LOG_DEBUG, "we'll restart the stream here at next loop\n");
00424 pause_restart_point = 0;
00425 continue;
00426 }
00427
00428 if (pause && strchr(pause, res)) {
00429 pause_restart_point = ast_tellstream(chan->stream);
00430 for (;;) {
00431 ast_stopstream(chan);
00432 res = ast_waitfordigit(chan, 1000);
00433 if (!res)
00434 continue;
00435 else if (res == -1 || strchr(pause, res) || (stop && strchr(stop, res)))
00436 break;
00437 }
00438 if (res == *pause) {
00439 res = 0;
00440 continue;
00441 }
00442 }
00443
00444 if (res == -1)
00445 break;
00446
00447
00448 if (stop && strchr(stop, res))
00449 break;
00450 }
00451
00452
00453 if (res > 0 || chan->stream)
00454 res = (char)res;
00455
00456 ast_stopstream(chan);
00457
00458 return res;
00459 }
00460
00461 int ast_play_and_wait(struct ast_channel *chan, const char *fn)
00462 {
00463 int d;
00464 d = ast_streamfile(chan, fn, chan->language);
00465 if (d)
00466 return d;
00467 d = ast_waitstream(chan, AST_DIGIT_ANY);
00468 ast_stopstream(chan);
00469 return d;
00470 }
00471
00472 static int global_silence_threshold = 128;
00473 static int global_maxsilence = 0;
00474
00475
00476
00477
00478
00479
00480
00481
00482
00483
00484
00485
00486
00487
00488
00489
00490
00491 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)
00492 {
00493 int d = 0;
00494 char *fmts;
00495 char comment[256];
00496 int x, fmtcnt = 1, res = -1, outmsg = 0;
00497 struct ast_filestream *others[MAX_OTHER_FORMATS];
00498 char *sfmt[MAX_OTHER_FORMATS];
00499 char *stringp = NULL;
00500 time_t start, end;
00501 struct ast_dsp *sildet = NULL;
00502 int totalsilence = 0;
00503 int rfmt = 0;
00504 struct ast_silence_generator *silgen = NULL;
00505 char prependfile[80];
00506
00507 if (silencethreshold < 0)
00508 silencethreshold = global_silence_threshold;
00509
00510 if (maxsilence < 0)
00511 maxsilence = global_maxsilence;
00512
00513
00514 if (duration == NULL) {
00515 ast_log(LOG_WARNING, "Error play_and_record called without duration pointer\n");
00516 return -1;
00517 }
00518
00519 if (option_debug)
00520 ast_log(LOG_DEBUG,"play_and_record: %s, %s, '%s'\n", playfile ? playfile : "<None>", recordfile, fmt);
00521 snprintf(comment, sizeof(comment), "Playing %s, Recording to: %s on %s\n", playfile ? playfile : "<None>", recordfile, chan->name);
00522
00523 if (playfile || beep) {
00524 if (!beep)
00525 d = ast_play_and_wait(chan, playfile);
00526 if (d > -1)
00527 d = ast_stream_and_wait(chan, "beep", chan->language, "");
00528 if (d < 0)
00529 return -1;
00530 }
00531
00532 if (prepend) {
00533 ast_copy_string(prependfile, recordfile, sizeof(prependfile));
00534 strncat(prependfile, "-prepend", sizeof(prependfile) - strlen(prependfile) - 1);
00535 }
00536
00537 fmts = ast_strdupa(fmt);
00538
00539 stringp = fmts;
00540 strsep(&stringp, "|");
00541 if (option_debug)
00542 ast_log(LOG_DEBUG, "Recording Formats: sfmts=%s\n", fmts);
00543 sfmt[0] = ast_strdupa(fmts);
00544
00545 while ((fmt = strsep(&stringp, "|"))) {
00546 if (fmtcnt > MAX_OTHER_FORMATS - 1) {
00547 ast_log(LOG_WARNING, "Please increase MAX_OTHER_FORMATS in app.c\n");
00548 break;
00549 }
00550 sfmt[fmtcnt++] = ast_strdupa(fmt);
00551 }
00552
00553 end = start = time(NULL);
00554 for (x = 0; x < fmtcnt; x++) {
00555 others[x] = ast_writefile(prepend ? prependfile : recordfile, sfmt[x], comment, O_TRUNC, 0, 0777);
00556 if (option_verbose > 2)
00557 ast_verbose(VERBOSE_PREFIX_3 "x=%d, open writing: %s format: %s, %p\n", x, prepend ? prependfile : recordfile, sfmt[x], others[x]);
00558
00559 if (!others[x])
00560 break;
00561 }
00562
00563 if (path)
00564 ast_unlock_path(path);
00565
00566 if (maxsilence > 0) {
00567 sildet = ast_dsp_new();
00568 if (!sildet) {
00569 ast_log(LOG_WARNING, "Unable to create silence detector :(\n");
00570 return -1;
00571 }
00572 ast_dsp_set_threshold(sildet, silencethreshold);
00573 rfmt = chan->readformat;
00574 res = ast_set_read_format(chan, AST_FORMAT_SLINEAR);
00575 if (res < 0) {
00576 ast_log(LOG_WARNING, "Unable to set to linear mode, giving up\n");
00577 ast_dsp_free(sildet);
00578 return -1;
00579 }
00580 }
00581
00582 if (!prepend) {
00583
00584 ast_indicate(chan, AST_CONTROL_VIDUPDATE);
00585
00586 if (ast_opt_transmit_silence)
00587 silgen = ast_channel_start_silence_generator(chan);
00588 }
00589
00590 if (x == fmtcnt) {
00591
00592
00593 struct ast_frame *f;
00594 for (;;) {
00595 res = ast_waitfor(chan, 2000);
00596 if (!res) {
00597 if (option_debug)
00598 ast_log(LOG_DEBUG, "One waitfor failed, trying another\n");
00599
00600 res = ast_waitfor(chan, 2000);
00601 if (!res) {
00602 ast_log(LOG_WARNING, "No audio available on %s??\n", chan->name);
00603 res = -1;
00604 }
00605 }
00606
00607 if (res < 0) {
00608 f = NULL;
00609 break;
00610 }
00611 f = ast_read(chan);
00612 if (!f)
00613 break;
00614 if (f->frametype == AST_FRAME_VOICE) {
00615
00616 for (x = 0; x < fmtcnt; x++) {
00617 if (prepend && !others[x])
00618 break;
00619 res = ast_writestream(others[x], f);
00620 }
00621
00622
00623 if (maxsilence > 0) {
00624 int dspsilence = 0;
00625 ast_dsp_silence(sildet, f, &dspsilence);
00626 if (dspsilence)
00627 totalsilence = dspsilence;
00628 else
00629 totalsilence = 0;
00630
00631 if (totalsilence > maxsilence) {
00632
00633 if (option_verbose > 2)
00634 ast_verbose( VERBOSE_PREFIX_3 "Recording automatically stopped after a silence of %d seconds\n", totalsilence/1000);
00635 res = 'S';
00636 outmsg = 2;
00637 break;
00638 }
00639 }
00640
00641 if (res) {
00642 ast_log(LOG_WARNING, "Error writing frame\n");
00643 break;
00644 }
00645 } else if (f->frametype == AST_FRAME_VIDEO) {
00646
00647 ast_writestream(others[0], f);
00648 } else if (f->frametype == AST_FRAME_DTMF) {
00649 if (prepend) {
00650
00651 if (option_verbose > 2)
00652 ast_verbose(VERBOSE_PREFIX_3 "User ended message by pressing %c\n", f->subclass);
00653 res = 't';
00654 outmsg = 2;
00655 break;
00656 }
00657 if (strchr(acceptdtmf, f->subclass)) {
00658 if (option_verbose > 2)
00659 ast_verbose(VERBOSE_PREFIX_3 "User ended message by pressing %c\n", f->subclass);
00660 res = f->subclass;
00661 outmsg = 2;
00662 break;
00663 }
00664 if (strchr(canceldtmf, f->subclass)) {
00665 if (option_verbose > 2)
00666 ast_verbose(VERBOSE_PREFIX_3 "User cancelled message by pressing %c\n", f->subclass);
00667 res = f->subclass;
00668 outmsg = 0;
00669 break;
00670 }
00671 }
00672 if (maxtime) {
00673 end = time(NULL);
00674 if (maxtime < (end - start)) {
00675 if (option_verbose > 2)
00676 ast_verbose(VERBOSE_PREFIX_3 "Took too long, cutting it short...\n");
00677 res = 't';
00678 outmsg = 2;
00679 break;
00680 }
00681 }
00682 ast_frfree(f);
00683 }
00684 if (!f) {
00685 if (option_verbose > 2)
00686 ast_verbose(VERBOSE_PREFIX_3 "User hung up\n");
00687 res = -1;
00688 outmsg = 1;
00689 } else {
00690 ast_frfree(f);
00691 }
00692 } else {
00693 ast_log(LOG_WARNING, "Error creating writestream '%s', format '%s'\n", recordfile, sfmt[x]);
00694 }
00695
00696 if (!prepend) {
00697 if (silgen)
00698 ast_channel_stop_silence_generator(chan, silgen);
00699 }
00700
00701
00702
00703
00704
00705
00706
00707
00708
00709
00710 *duration = ast_tellstream(others[0]) / 8000;
00711
00712 if (!prepend) {
00713 for (x = 0; x < fmtcnt; x++) {
00714 if (!others[x])
00715 break;
00716
00717
00718
00719
00720
00721 if (res > 0 && totalsilence)
00722 ast_stream_rewind(others[x], totalsilence - 200);
00723 ast_truncstream(others[x]);
00724 ast_closestream(others[x]);
00725 }
00726 }
00727
00728 if (prepend && outmsg) {
00729 struct ast_filestream *realfiles[MAX_OTHER_FORMATS];
00730 struct ast_frame *fr;
00731
00732 for (x = 0; x < fmtcnt; x++) {
00733 snprintf(comment, sizeof(comment), "Opening the real file %s.%s\n", recordfile, sfmt[x]);
00734 realfiles[x] = ast_readfile(recordfile, sfmt[x], comment, O_RDONLY, 0, 0);
00735 if (!others[x] || !realfiles[x])
00736 break;
00737
00738 if (totalsilence)
00739 ast_stream_rewind(others[x], totalsilence - 200);
00740 ast_truncstream(others[x]);
00741
00742 while ((fr = ast_readframe(realfiles[x]))) {
00743 ast_writestream(others[x], fr);
00744 ast_frfree(fr);
00745 }
00746 ast_closestream(others[x]);
00747 ast_closestream(realfiles[x]);
00748 ast_filerename(prependfile, recordfile, sfmt[x]);
00749 if (option_verbose > 3)
00750 ast_verbose(VERBOSE_PREFIX_4 "Recording Format: sfmts=%s, prependfile %s, recordfile %s\n", sfmt[x], prependfile, recordfile);
00751 ast_filedelete(prependfile, sfmt[x]);
00752 }
00753 }
00754 if (rfmt && ast_set_read_format(chan, rfmt)) {
00755 ast_log(LOG_WARNING, "Unable to restore format %s to channel '%s'\n", ast_getformatname(rfmt), chan->name);
00756 }
00757 if (outmsg == 2) {
00758 ast_stream_and_wait(chan, "auth-thankyou", chan->language, "");
00759 }
00760 if (sildet)
00761 ast_dsp_free(sildet);
00762 return res;
00763 }
00764
00765 static char default_acceptdtmf[] = "#";
00766 static char default_canceldtmf[] = "";
00767
00768 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)
00769 {
00770 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));
00771 }
00772
00773 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)
00774 {
00775 return __ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, 0, silencethreshold, maxsilence, path, 0, default_acceptdtmf, default_canceldtmf);
00776 }
00777
00778 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)
00779 {
00780 return __ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, beep, silencethreshold, maxsilence, NULL, 1, default_acceptdtmf, default_canceldtmf);
00781 }
00782
00783
00784
00785 int ast_app_group_split_group(const char *data, char *group, int group_max, char *category, int category_max)
00786 {
00787 int res=0;
00788 char tmp[256];
00789 char *grp=NULL, *cat=NULL;
00790
00791 if (!ast_strlen_zero(data)) {
00792 ast_copy_string(tmp, data, sizeof(tmp));
00793 grp = tmp;
00794 cat = strchr(tmp, '@');
00795 if (cat) {
00796 *cat = '\0';
00797 cat++;
00798 }
00799 }
00800
00801 if (!ast_strlen_zero(grp))
00802 ast_copy_string(group, grp, group_max);
00803 else
00804 *group = '\0';
00805
00806 if (!ast_strlen_zero(cat))
00807 ast_copy_string(category, cat, category_max);
00808
00809 return res;
00810 }
00811
00812 int ast_app_group_set_channel(struct ast_channel *chan, const char *data)
00813 {
00814 int res = 0;
00815 char group[80] = "", category[80] = "";
00816 struct ast_group_info *gi = NULL;
00817 size_t len = 0;
00818
00819 if (ast_app_group_split_group(data, group, sizeof(group), category, sizeof(category)))
00820 return -1;
00821
00822
00823 len = sizeof(*gi) + strlen(group) + 1;
00824 if (!ast_strlen_zero(category))
00825 len += strlen(category) + 1;
00826
00827 AST_LIST_LOCK(&groups);
00828 AST_LIST_TRAVERSE_SAFE_BEGIN(&groups, gi, list) {
00829 if ((gi->chan == chan) && ((ast_strlen_zero(category) && ast_strlen_zero(gi->category)) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category)))) {
00830 AST_LIST_REMOVE_CURRENT(&groups, list);
00831 free(gi);
00832 break;
00833 }
00834 }
00835 AST_LIST_TRAVERSE_SAFE_END
00836
00837 if (ast_strlen_zero(group)) {
00838
00839 } else if ((gi = calloc(1, len))) {
00840 gi->chan = chan;
00841 gi->group = (char *) gi + sizeof(*gi);
00842 strcpy(gi->group, group);
00843 if (!ast_strlen_zero(category)) {
00844 gi->category = (char *) gi + sizeof(*gi) + strlen(group) + 1;
00845 strcpy(gi->category, category);
00846 }
00847 AST_LIST_INSERT_TAIL(&groups, gi, list);
00848 } else {
00849 res = -1;
00850 }
00851
00852 AST_LIST_UNLOCK(&groups);
00853
00854 return res;
00855 }
00856
00857 int ast_app_group_get_count(const char *group, const char *category)
00858 {
00859 struct ast_group_info *gi = NULL;
00860 int count = 0;
00861
00862 if (ast_strlen_zero(group))
00863 return 0;
00864
00865 AST_LIST_LOCK(&groups);
00866 AST_LIST_TRAVERSE(&groups, gi, list) {
00867 if (!strcasecmp(gi->group, group) && (ast_strlen_zero(category) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category))))
00868 count++;
00869 }
00870 AST_LIST_UNLOCK(&groups);
00871
00872 return count;
00873 }
00874
00875 int ast_app_group_match_get_count(const char *groupmatch, const char *category)
00876 {
00877 struct ast_group_info *gi = NULL;
00878 regex_t regexbuf;
00879 int count = 0;
00880
00881 if (ast_strlen_zero(groupmatch))
00882 return 0;
00883
00884
00885 if (regcomp(®exbuf, groupmatch, REG_EXTENDED | REG_NOSUB))
00886 return 0;
00887
00888 AST_LIST_LOCK(&groups);
00889 AST_LIST_TRAVERSE(&groups, gi, list) {
00890 if (!regexec(®exbuf, gi->group, 0, NULL, 0) && (ast_strlen_zero(category) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category))))
00891 count++;
00892 }
00893 AST_LIST_UNLOCK(&groups);
00894
00895 regfree(®exbuf);
00896
00897 return count;
00898 }
00899
00900 int ast_app_group_update(struct ast_channel *old, struct ast_channel *new)
00901 {
00902 struct ast_group_info *gi = NULL;
00903
00904 AST_LIST_LOCK(&groups);
00905 AST_LIST_TRAVERSE(&groups, gi, list) {
00906 if (gi->chan == old)
00907 gi->chan = new;
00908 }
00909 AST_LIST_UNLOCK(&groups);
00910
00911 return 0;
00912 }
00913
00914 int ast_app_group_discard(struct ast_channel *chan)
00915 {
00916 struct ast_group_info *gi = NULL;
00917
00918 AST_LIST_LOCK(&groups);
00919 AST_LIST_TRAVERSE_SAFE_BEGIN(&groups, gi, list) {
00920 if (gi->chan == chan) {
00921 AST_LIST_REMOVE_CURRENT(&groups, list);
00922 free(gi);
00923 }
00924 }
00925 AST_LIST_TRAVERSE_SAFE_END
00926 AST_LIST_UNLOCK(&groups);
00927
00928 return 0;
00929 }
00930
00931 int ast_app_group_list_lock(void)
00932 {
00933 return AST_LIST_LOCK(&groups);
00934 }
00935
00936 struct ast_group_info *ast_app_group_list_head(void)
00937 {
00938 return AST_LIST_FIRST(&groups);
00939 }
00940
00941 int ast_app_group_list_unlock(void)
00942 {
00943 return AST_LIST_UNLOCK(&groups);
00944 }
00945
00946 unsigned int ast_app_separate_args(char *buf, char delim, char **array, int arraylen)
00947 {
00948 int argc;
00949 char *scan;
00950 int paren = 0, quote = 0;
00951
00952 if (!buf || !array || !arraylen)
00953 return 0;
00954
00955 memset(array, 0, arraylen * sizeof(*array));
00956
00957 scan = buf;
00958
00959 for (argc = 0; *scan && (argc < arraylen - 1); argc++) {
00960 array[argc] = scan;
00961 for (; *scan; scan++) {
00962 if (*scan == '(')
00963 paren++;
00964 else if (*scan == ')') {
00965 if (paren)
00966 paren--;
00967 } else if (*scan == '"' && delim != '"') {
00968 quote = quote ? 0 : 1;
00969
00970 memmove(scan, scan + 1, strlen(scan));
00971 scan--;
00972 } else if (*scan == '\\') {
00973
00974 memmove(scan, scan + 1, strlen(scan));
00975 } else if ((*scan == delim) && !paren && !quote) {
00976 *scan++ = '\0';
00977 break;
00978 }
00979 }
00980 }
00981
00982 if (*scan)
00983 array[argc++] = scan;
00984
00985 return argc;
00986 }
00987
00988 enum AST_LOCK_RESULT ast_lock_path(const char *path)
00989 {
00990 char *s;
00991 char *fs;
00992 int res;
00993 int fd;
00994 int lp = strlen(path);
00995 time_t start;
00996
00997 if (!(s = alloca(lp + 10)) || !(fs = alloca(lp + 20))) {
00998 ast_log(LOG_WARNING, "Out of memory!\n");
00999 return AST_LOCK_FAILURE;
01000 }
01001
01002 snprintf(fs, strlen(path) + 19, "%s/.lock-%08lx", path, ast_random());
01003 fd = open(fs, O_WRONLY | O_CREAT | O_EXCL, 0600);
01004 if (fd < 0) {
01005 ast_log(LOG_ERROR, "Unable to create lock file '%s': %s\n", path, strerror(errno));
01006 return AST_LOCK_PATH_NOT_FOUND;
01007 }
01008 close(fd);
01009
01010 snprintf(s, strlen(path) + 9, "%s/.lock", path);
01011 start = time(NULL);
01012 while (((res = link(fs, s)) < 0) && (errno == EEXIST) && (time(NULL) - start < 5))
01013 usleep(1);
01014
01015 unlink(fs);
01016
01017 if (res) {
01018 ast_log(LOG_WARNING, "Failed to lock path '%s': %s\n", path, strerror(errno));
01019 return AST_LOCK_TIMEOUT;
01020 } else {
01021 if (option_debug)
01022 ast_log(LOG_DEBUG, "Locked path '%s'\n", path);
01023 return AST_LOCK_SUCCESS;
01024 }
01025 }
01026
01027 int ast_unlock_path(const char *path)
01028 {
01029 char *s;
01030 int res;
01031
01032 if (!(s = alloca(strlen(path) + 10))) {
01033 ast_log(LOG_WARNING, "Out of memory!\n");
01034 return -1;
01035 }
01036
01037 snprintf(s, strlen(path) + 9, "%s/%s", path, ".lock");
01038
01039 if ((res = unlink(s)))
01040 ast_log(LOG_ERROR, "Could not unlock path '%s': %s\n", path, strerror(errno));
01041 else {
01042 if (option_debug)
01043 ast_log(LOG_DEBUG, "Unlocked path '%s'\n", path);
01044 }
01045
01046 return res;
01047 }
01048
01049 int ast_record_review(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime, const char *fmt, int *duration, const char *path)
01050 {
01051 int silencethreshold = 128;
01052 int maxsilence=0;
01053 int res = 0;
01054 int cmd = 0;
01055 int max_attempts = 3;
01056 int attempts = 0;
01057 int recorded = 0;
01058 int message_exists = 0;
01059
01060
01061
01062 if (duration == NULL) {
01063 ast_log(LOG_WARNING, "Error ast_record_review called without duration pointer\n");
01064 return -1;
01065 }
01066
01067 cmd = '3';
01068
01069 while ((cmd >= 0) && (cmd != 't')) {
01070 switch (cmd) {
01071 case '1':
01072 if (!message_exists) {
01073
01074 cmd = '3';
01075 break;
01076 } else {
01077 ast_stream_and_wait(chan, "vm-msgsaved", chan->language, "");
01078 cmd = 't';
01079 return res;
01080 }
01081 case '2':
01082
01083 ast_verbose(VERBOSE_PREFIX_3 "Reviewing the recording\n");
01084 cmd = ast_stream_and_wait(chan, recordfile, chan->language, AST_DIGIT_ANY);
01085 break;
01086 case '3':
01087 message_exists = 0;
01088
01089 if (recorded == 1)
01090 ast_verbose(VERBOSE_PREFIX_3 "Re-recording\n");
01091 else
01092 ast_verbose(VERBOSE_PREFIX_3 "Recording\n");
01093 recorded = 1;
01094 cmd = ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, silencethreshold, maxsilence, path);
01095 if (cmd == -1) {
01096
01097 return cmd;
01098 }
01099 if (cmd == '0') {
01100 break;
01101 } else if (cmd == '*') {
01102 break;
01103 }
01104 else {
01105
01106 message_exists = 1;
01107 cmd = 0;
01108 }
01109 break;
01110 case '4':
01111 case '5':
01112 case '6':
01113 case '7':
01114 case '8':
01115 case '9':
01116 case '*':
01117 case '#':
01118 cmd = ast_play_and_wait(chan, "vm-sorry");
01119 break;
01120 default:
01121 if (message_exists) {
01122 cmd = ast_play_and_wait(chan, "vm-review");
01123 }
01124 else {
01125 cmd = ast_play_and_wait(chan, "vm-torerecord");
01126 if (!cmd)
01127 cmd = ast_waitfordigit(chan, 600);
01128 }
01129
01130 if (!cmd)
01131 cmd = ast_waitfordigit(chan, 6000);
01132 if (!cmd) {
01133 attempts++;
01134 }
01135 if (attempts > max_attempts) {
01136 cmd = 't';
01137 }
01138 }
01139 }
01140 if (cmd == 't')
01141 cmd = 0;
01142 return cmd;
01143 }
01144
01145 #define RES_UPONE (1 << 16)
01146 #define RES_EXIT (1 << 17)
01147 #define RES_REPEAT (1 << 18)
01148 #define RES_RESTART ((1 << 19) | RES_REPEAT)
01149
01150 static int ast_ivr_menu_run_internal(struct ast_channel *chan, struct ast_ivr_menu *menu, void *cbdata);
01151
01152 static int ivr_dispatch(struct ast_channel *chan, struct ast_ivr_option *option, char *exten, void *cbdata)
01153 {
01154 int res;
01155 int (*ivr_func)(struct ast_channel *, void *);
01156 char *c;
01157 char *n;
01158
01159 switch(option->action) {
01160 case AST_ACTION_UPONE:
01161 return RES_UPONE;
01162 case AST_ACTION_EXIT:
01163 return RES_EXIT | (((unsigned long)(option->adata)) & 0xffff);
01164 case AST_ACTION_REPEAT:
01165 return RES_REPEAT | (((unsigned long)(option->adata)) & 0xffff);
01166 case AST_ACTION_RESTART:
01167 return RES_RESTART ;
01168 case AST_ACTION_NOOP:
01169 return 0;
01170 case AST_ACTION_BACKGROUND:
01171 res = ast_stream_and_wait(chan, (char *)option->adata, chan->language, AST_DIGIT_ANY);
01172 if (res < 0) {
01173 ast_log(LOG_NOTICE, "Unable to find file '%s'!\n", (char *)option->adata);
01174 res = 0;
01175 }
01176 return res;
01177 case AST_ACTION_PLAYBACK:
01178 res = ast_stream_and_wait(chan, (char *)option->adata, chan->language, "");
01179 if (res < 0) {
01180 ast_log(LOG_NOTICE, "Unable to find file '%s'!\n", (char *)option->adata);
01181 res = 0;
01182 }
01183 return res;
01184 case AST_ACTION_MENU:
01185 res = ast_ivr_menu_run_internal(chan, (struct ast_ivr_menu *)option->adata, cbdata);
01186
01187 if (res == -2)
01188 res = 0;
01189 return res;
01190 case AST_ACTION_WAITOPTION:
01191 res = ast_waitfordigit(chan, 1000 * (chan->pbx ? chan->pbx->rtimeout : 10));
01192 if (!res)
01193 return 't';
01194 return res;
01195 case AST_ACTION_CALLBACK:
01196 ivr_func = option->adata;
01197 res = ivr_func(chan, cbdata);
01198 return res;
01199 case AST_ACTION_TRANSFER:
01200 res = ast_parseable_goto(chan, option->adata);
01201 return 0;
01202 case AST_ACTION_PLAYLIST:
01203 case AST_ACTION_BACKLIST:
01204 res = 0;
01205 c = ast_strdupa(option->adata);
01206 while ((n = strsep(&c, ";"))) {
01207 if ((res = ast_stream_and_wait(chan, n, chan->language,
01208 (option->action == AST_ACTION_BACKLIST) ? AST_DIGIT_ANY : "")))
01209 break;
01210 }
01211 ast_stopstream(chan);
01212 return res;
01213 default:
01214 ast_log(LOG_NOTICE, "Unknown dispatch function %d, ignoring!\n", option->action);
01215 return 0;
01216 };
01217 return -1;
01218 }
01219
01220 static int option_exists(struct ast_ivr_menu *menu, char *option)
01221 {
01222 int x;
01223 for (x = 0; menu->options[x].option; x++)
01224 if (!strcasecmp(menu->options[x].option, option))
01225 return x;
01226 return -1;
01227 }
01228
01229 static int option_matchmore(struct ast_ivr_menu *menu, char *option)
01230 {
01231 int x;
01232 for (x = 0; menu->options[x].option; x++)
01233 if ((!strncasecmp(menu->options[x].option, option, strlen(option))) &&
01234 (menu->options[x].option[strlen(option)]))
01235 return x;
01236 return -1;
01237 }
01238
01239 static int read_newoption(struct ast_channel *chan, struct ast_ivr_menu *menu, char *exten, int maxexten)
01240 {
01241 int res=0;
01242 int ms;
01243 while (option_matchmore(menu, exten)) {
01244 ms = chan->pbx ? chan->pbx->dtimeout : 5000;
01245 if (strlen(exten) >= maxexten - 1)
01246 break;
01247 res = ast_waitfordigit(chan, ms);
01248 if (res < 1)
01249 break;
01250 exten[strlen(exten) + 1] = '\0';
01251 exten[strlen(exten)] = res;
01252 }
01253 return res > 0 ? 0 : res;
01254 }
01255
01256 static int ast_ivr_menu_run_internal(struct ast_channel *chan, struct ast_ivr_menu *menu, void *cbdata)
01257 {
01258
01259 int res=0;
01260 int pos = 0;
01261 int retries = 0;
01262 char exten[AST_MAX_EXTENSION] = "s";
01263 if (option_exists(menu, "s") < 0) {
01264 strcpy(exten, "g");
01265 if (option_exists(menu, "g") < 0) {
01266 ast_log(LOG_WARNING, "No 's' nor 'g' extension in menu '%s'!\n", menu->title);
01267 return -1;
01268 }
01269 }
01270 while(!res) {
01271 while(menu->options[pos].option) {
01272 if (!strcasecmp(menu->options[pos].option, exten)) {
01273 res = ivr_dispatch(chan, menu->options + pos, exten, cbdata);
01274 if (option_debug)
01275 ast_log(LOG_DEBUG, "IVR Dispatch of '%s' (pos %d) yields %d\n", exten, pos, res);
01276 if (res < 0)
01277 break;
01278 else if (res & RES_UPONE)
01279 return 0;
01280 else if (res & RES_EXIT)
01281 return res;
01282 else if (res & RES_REPEAT) {
01283 int maxretries = res & 0xffff;
01284 if ((res & RES_RESTART) == RES_RESTART) {
01285 retries = 0;
01286 } else
01287 retries++;
01288 if (!maxretries)
01289 maxretries = 3;
01290 if ((maxretries > 0) && (retries >= maxretries)) {
01291 if (option_debug)
01292 ast_log(LOG_DEBUG, "Max retries %d exceeded\n", maxretries);
01293 return -2;
01294 } else {
01295 if (option_exists(menu, "g") > -1)
01296 strcpy(exten, "g");
01297 else if (option_exists(menu, "s") > -1)
01298 strcpy(exten, "s");
01299 }
01300 pos = 0;
01301 continue;
01302 } else if (res && strchr(AST_DIGIT_ANY, res)) {
01303 if (option_debug)
01304 ast_log(LOG_DEBUG, "Got start of extension, %c\n", res);
01305 exten[1] = '\0';
01306 exten[0] = res;
01307 if ((res = read_newoption(chan, menu, exten, sizeof(exten))))
01308 break;
01309 if (option_exists(menu, exten) < 0) {
01310 if (option_exists(menu, "i")) {
01311 if (option_debug)
01312 ast_log(LOG_DEBUG, "Invalid extension entered, going to 'i'!\n");
01313 strcpy(exten, "i");
01314 pos = 0;
01315 continue;
01316 } else {
01317 if (option_debug)
01318 ast_log(LOG_DEBUG, "Aborting on invalid entry, with no 'i' option!\n");
01319 res = -2;
01320 break;
01321 }
01322 } else {
01323 if (option_debug)
01324 ast_log(LOG_DEBUG, "New existing extension: %s\n", exten);
01325 pos = 0;
01326 continue;
01327 }
01328 }
01329 }
01330 pos++;
01331 }
01332 if (option_debug)
01333 ast_log(LOG_DEBUG, "Stopping option '%s', res is %d\n", exten, res);
01334 pos = 0;
01335 if (!strcasecmp(exten, "s"))
01336 strcpy(exten, "g");
01337 else
01338 break;
01339 }
01340 return res;
01341 }
01342
01343 int ast_ivr_menu_run(struct ast_channel *chan, struct ast_ivr_menu *menu, void *cbdata)
01344 {
01345 int res = ast_ivr_menu_run_internal(chan, menu, cbdata);
01346
01347 return res > 0 ? 0 : res;
01348 }
01349
01350 char *ast_read_textfile(const char *filename)
01351 {
01352 int fd;
01353 char *output = NULL;
01354 struct stat filesize;
01355 int count = 0;
01356 int res;
01357 if (stat(filename, &filesize) == -1) {
01358 ast_log(LOG_WARNING, "Error can't stat %s\n", filename);
01359 return NULL;
01360 }
01361 count = filesize.st_size + 1;
01362 fd = open(filename, O_RDONLY);
01363 if (fd < 0) {
01364 ast_log(LOG_WARNING, "Cannot open file '%s' for reading: %s\n", filename, strerror(errno));
01365 return NULL;
01366 }
01367 if ((output = ast_malloc(count))) {
01368 res = read(fd, output, count - 1);
01369 if (res == count - 1) {
01370 output[res] = '\0';
01371 } else {
01372 ast_log(LOG_WARNING, "Short read of %s (%d of %d): %s\n", filename, res, count - 1, strerror(errno));
01373 free(output);
01374 output = NULL;
01375 }
01376 }
01377 close(fd);
01378 return output;
01379 }
01380
01381 int ast_app_parse_options(const struct ast_app_option *options, struct ast_flags *flags, char **args, char *optstr)
01382 {
01383 char *s;
01384 int curarg;
01385 unsigned int argloc;
01386 char *arg;
01387 int res = 0;
01388
01389 ast_clear_flag(flags, AST_FLAGS_ALL);
01390
01391 if (!optstr)
01392 return 0;
01393
01394 s = optstr;
01395 while (*s) {
01396 curarg = *s++ & 0x7f;
01397 argloc = options[curarg].arg_index;
01398 if (*s == '(') {
01399
01400 arg = ++s;
01401 if ((s = strchr(s, ')'))) {
01402 if (argloc)
01403 args[argloc - 1] = arg;
01404 *s++ = '\0';
01405 } else {
01406 ast_log(LOG_WARNING, "Missing closing parenthesis for argument '%c' in string '%s'\n", curarg, arg);
01407 res = -1;
01408 break;
01409 }
01410 } else if (argloc) {
01411 args[argloc - 1] = "";
01412 }
01413 ast_set_flag(flags, options[curarg].flag);
01414 }
01415
01416 return res;
01417 }
01418