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00026 #include "asterisk.h"
00027
00028 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 76891 $")
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 ast_stopstream(chan);
00453
00454 return res;
00455 }
00456
00457 int ast_play_and_wait(struct ast_channel *chan, const char *fn)
00458 {
00459 int d;
00460 d = ast_streamfile(chan, fn, chan->language);
00461 if (d)
00462 return d;
00463 d = ast_waitstream(chan, AST_DIGIT_ANY);
00464 ast_stopstream(chan);
00465 return d;
00466 }
00467
00468 static int global_silence_threshold = 128;
00469 static int global_maxsilence = 0;
00470
00471
00472
00473
00474
00475
00476
00477
00478
00479
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00485
00486
00487 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)
00488 {
00489 int d = 0;
00490 char *fmts;
00491 char comment[256];
00492 int x, fmtcnt = 1, res = -1, outmsg = 0;
00493 struct ast_filestream *others[MAX_OTHER_FORMATS];
00494 char *sfmt[MAX_OTHER_FORMATS];
00495 char *stringp = NULL;
00496 time_t start, end;
00497 struct ast_dsp *sildet = NULL;
00498 int totalsilence = 0;
00499 int rfmt = 0;
00500 struct ast_silence_generator *silgen = NULL;
00501 char prependfile[80];
00502
00503 if (silencethreshold < 0)
00504 silencethreshold = global_silence_threshold;
00505
00506 if (maxsilence < 0)
00507 maxsilence = global_maxsilence;
00508
00509
00510 if (duration == NULL) {
00511 ast_log(LOG_WARNING, "Error play_and_record called without duration pointer\n");
00512 return -1;
00513 }
00514
00515 if (option_debug)
00516 ast_log(LOG_DEBUG,"play_and_record: %s, %s, '%s'\n", playfile ? playfile : "<None>", recordfile, fmt);
00517 snprintf(comment, sizeof(comment), "Playing %s, Recording to: %s on %s\n", playfile ? playfile : "<None>", recordfile, chan->name);
00518
00519 if (playfile || beep) {
00520 if (!beep)
00521 d = ast_play_and_wait(chan, playfile);
00522 if (d > -1)
00523 d = ast_stream_and_wait(chan, "beep", chan->language, "");
00524 if (d < 0)
00525 return -1;
00526 }
00527
00528 if (prepend) {
00529 ast_copy_string(prependfile, recordfile, sizeof(prependfile));
00530 strncat(prependfile, "-prepend", sizeof(prependfile) - strlen(prependfile) - 1);
00531 }
00532
00533 fmts = ast_strdupa(fmt);
00534
00535 stringp = fmts;
00536 strsep(&stringp, "|");
00537 if (option_debug)
00538 ast_log(LOG_DEBUG, "Recording Formats: sfmts=%s\n", fmts);
00539 sfmt[0] = ast_strdupa(fmts);
00540
00541 while ((fmt = strsep(&stringp, "|"))) {
00542 if (fmtcnt > MAX_OTHER_FORMATS - 1) {
00543 ast_log(LOG_WARNING, "Please increase MAX_OTHER_FORMATS in app.c\n");
00544 break;
00545 }
00546 sfmt[fmtcnt++] = ast_strdupa(fmt);
00547 }
00548
00549 end = start = time(NULL);
00550 for (x = 0; x < fmtcnt; x++) {
00551 others[x] = ast_writefile(prepend ? prependfile : recordfile, sfmt[x], comment, O_TRUNC, 0, 0777);
00552 if (option_verbose > 2)
00553 ast_verbose(VERBOSE_PREFIX_3 "x=%d, open writing: %s format: %s, %p\n", x, prepend ? prependfile : recordfile, sfmt[x], others[x]);
00554
00555 if (!others[x])
00556 break;
00557 }
00558
00559 if (path)
00560 ast_unlock_path(path);
00561
00562 if (maxsilence > 0) {
00563 sildet = ast_dsp_new();
00564 if (!sildet) {
00565 ast_log(LOG_WARNING, "Unable to create silence detector :(\n");
00566 return -1;
00567 }
00568 ast_dsp_set_threshold(sildet, silencethreshold);
00569 rfmt = chan->readformat;
00570 res = ast_set_read_format(chan, AST_FORMAT_SLINEAR);
00571 if (res < 0) {
00572 ast_log(LOG_WARNING, "Unable to set to linear mode, giving up\n");
00573 ast_dsp_free(sildet);
00574 return -1;
00575 }
00576 }
00577
00578 if (!prepend) {
00579
00580 ast_indicate(chan, AST_CONTROL_VIDUPDATE);
00581
00582 if (ast_opt_transmit_silence)
00583 silgen = ast_channel_start_silence_generator(chan);
00584 }
00585
00586 if (x == fmtcnt) {
00587
00588
00589 struct ast_frame *f;
00590 for (;;) {
00591 res = ast_waitfor(chan, 2000);
00592 if (!res) {
00593 if (option_debug)
00594 ast_log(LOG_DEBUG, "One waitfor failed, trying another\n");
00595
00596 res = ast_waitfor(chan, 2000);
00597 if (!res) {
00598 ast_log(LOG_WARNING, "No audio available on %s??\n", chan->name);
00599 res = -1;
00600 }
00601 }
00602
00603 if (res < 0) {
00604 f = NULL;
00605 break;
00606 }
00607 f = ast_read(chan);
00608 if (!f)
00609 break;
00610 if (f->frametype == AST_FRAME_VOICE) {
00611
00612 for (x = 0; x < fmtcnt; x++) {
00613 if (prepend && !others[x])
00614 break;
00615 res = ast_writestream(others[x], f);
00616 }
00617
00618
00619 if (maxsilence > 0) {
00620 int dspsilence = 0;
00621 ast_dsp_silence(sildet, f, &dspsilence);
00622 if (dspsilence)
00623 totalsilence = dspsilence;
00624 else
00625 totalsilence = 0;
00626
00627 if (totalsilence > maxsilence) {
00628
00629 if (option_verbose > 2)
00630 ast_verbose( VERBOSE_PREFIX_3 "Recording automatically stopped after a silence of %d seconds\n", totalsilence/1000);
00631 res = 'S';
00632 outmsg = 2;
00633 break;
00634 }
00635 }
00636
00637 if (res) {
00638 ast_log(LOG_WARNING, "Error writing frame\n");
00639 break;
00640 }
00641 } else if (f->frametype == AST_FRAME_VIDEO) {
00642
00643 ast_writestream(others[0], f);
00644 } else if (f->frametype == AST_FRAME_DTMF) {
00645 if (prepend) {
00646
00647 if (option_verbose > 2)
00648 ast_verbose(VERBOSE_PREFIX_3 "User ended message by pressing %c\n", f->subclass);
00649 res = 't';
00650 outmsg = 2;
00651 break;
00652 }
00653 if (strchr(acceptdtmf, f->subclass)) {
00654 if (option_verbose > 2)
00655 ast_verbose(VERBOSE_PREFIX_3 "User ended message by pressing %c\n", f->subclass);
00656 res = f->subclass;
00657 outmsg = 2;
00658 break;
00659 }
00660 if (strchr(canceldtmf, f->subclass)) {
00661 if (option_verbose > 2)
00662 ast_verbose(VERBOSE_PREFIX_3 "User cancelled message by pressing %c\n", f->subclass);
00663 res = f->subclass;
00664 outmsg = 0;
00665 break;
00666 }
00667 }
00668 if (maxtime) {
00669 end = time(NULL);
00670 if (maxtime < (end - start)) {
00671 if (option_verbose > 2)
00672 ast_verbose(VERBOSE_PREFIX_3 "Took too long, cutting it short...\n");
00673 res = 't';
00674 outmsg = 2;
00675 break;
00676 }
00677 }
00678 ast_frfree(f);
00679 }
00680 if (!f) {
00681 if (option_verbose > 2)
00682 ast_verbose(VERBOSE_PREFIX_3 "User hung up\n");
00683 res = -1;
00684 outmsg = 1;
00685 } else {
00686 ast_frfree(f);
00687 }
00688 if (end == start)
00689 end = time(NULL);
00690 } else {
00691 ast_log(LOG_WARNING, "Error creating writestream '%s', format '%s'\n", recordfile, sfmt[x]);
00692 }
00693
00694 if (!prepend) {
00695 if (silgen)
00696 ast_channel_stop_silence_generator(chan, silgen);
00697 }
00698 *duration = end - start;
00699
00700 if (!prepend) {
00701 for (x = 0; x < fmtcnt; x++) {
00702 if (!others[x])
00703 break;
00704 if (res > 0)
00705 ast_stream_rewind(others[x], totalsilence ? totalsilence - 200 : 200);
00706 ast_truncstream(others[x]);
00707 ast_closestream(others[x]);
00708 }
00709 }
00710
00711 if (prepend && outmsg) {
00712 struct ast_filestream *realfiles[MAX_OTHER_FORMATS];
00713 struct ast_frame *fr;
00714
00715 for (x = 0; x < fmtcnt; x++) {
00716 snprintf(comment, sizeof(comment), "Opening the real file %s.%s\n", recordfile, sfmt[x]);
00717 realfiles[x] = ast_readfile(recordfile, sfmt[x], comment, O_RDONLY, 0, 0);
00718 if (!others[x] || !realfiles[x])
00719 break;
00720 ast_stream_rewind(others[x], totalsilence ? totalsilence - 200 : 200);
00721 ast_truncstream(others[x]);
00722
00723 while ((fr = ast_readframe(realfiles[x]))) {
00724 ast_writestream(others[x], fr);
00725 ast_frfree(fr);
00726 }
00727 ast_closestream(others[x]);
00728 ast_closestream(realfiles[x]);
00729 ast_filerename(prependfile, recordfile, sfmt[x]);
00730 if (option_verbose > 3)
00731 ast_verbose(VERBOSE_PREFIX_4 "Recording Format: sfmts=%s, prependfile %s, recordfile %s\n", sfmt[x], prependfile, recordfile);
00732 ast_filedelete(prependfile, sfmt[x]);
00733 }
00734 }
00735 if (rfmt && ast_set_read_format(chan, rfmt)) {
00736 ast_log(LOG_WARNING, "Unable to restore format %s to channel '%s'\n", ast_getformatname(rfmt), chan->name);
00737 }
00738 if (outmsg == 2) {
00739 ast_stream_and_wait(chan, "auth-thankyou", chan->language, "");
00740 }
00741 if (sildet)
00742 ast_dsp_free(sildet);
00743 return res;
00744 }
00745
00746 static char default_acceptdtmf[] = "#";
00747 static char default_canceldtmf[] = "";
00748
00749 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)
00750 {
00751 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));
00752 }
00753
00754 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)
00755 {
00756 return __ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, 0, silencethreshold, maxsilence, path, 0, default_acceptdtmf, default_canceldtmf);
00757 }
00758
00759 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)
00760 {
00761 return __ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, beep, silencethreshold, maxsilence, NULL, 1, default_acceptdtmf, default_canceldtmf);
00762 }
00763
00764
00765
00766 int ast_app_group_split_group(const char *data, char *group, int group_max, char *category, int category_max)
00767 {
00768 int res=0;
00769 char tmp[256];
00770 char *grp=NULL, *cat=NULL;
00771
00772 if (!ast_strlen_zero(data)) {
00773 ast_copy_string(tmp, data, sizeof(tmp));
00774 grp = tmp;
00775 cat = strchr(tmp, '@');
00776 if (cat) {
00777 *cat = '\0';
00778 cat++;
00779 }
00780 }
00781
00782 if (!ast_strlen_zero(grp))
00783 ast_copy_string(group, grp, group_max);
00784 else
00785 res = -1;
00786
00787 if (!ast_strlen_zero(cat))
00788 ast_copy_string(category, cat, category_max);
00789
00790 return res;
00791 }
00792
00793 int ast_app_group_set_channel(struct ast_channel *chan, const char *data)
00794 {
00795 int res = 0;
00796 char group[80] = "", category[80] = "";
00797 struct ast_group_info *gi = NULL;
00798 size_t len = 0;
00799
00800 if (ast_app_group_split_group(data, group, sizeof(group), category, sizeof(category)))
00801 return -1;
00802
00803
00804 len = sizeof(*gi) + strlen(group) + 1;
00805 if (!ast_strlen_zero(category))
00806 len += strlen(category) + 1;
00807
00808 AST_LIST_LOCK(&groups);
00809 AST_LIST_TRAVERSE_SAFE_BEGIN(&groups, gi, list) {
00810 if ((gi->chan == chan) && ((ast_strlen_zero(category) && ast_strlen_zero(gi->category)) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category)))) {
00811 AST_LIST_REMOVE_CURRENT(&groups, list);
00812 free(gi);
00813 break;
00814 }
00815 }
00816 AST_LIST_TRAVERSE_SAFE_END
00817
00818 if ((gi = calloc(1, len))) {
00819 gi->chan = chan;
00820 gi->group = (char *) gi + sizeof(*gi);
00821 strcpy(gi->group, group);
00822 if (!ast_strlen_zero(category)) {
00823 gi->category = (char *) gi + sizeof(*gi) + strlen(group) + 1;
00824 strcpy(gi->category, category);
00825 }
00826 AST_LIST_INSERT_TAIL(&groups, gi, list);
00827 } else {
00828 res = -1;
00829 }
00830
00831 AST_LIST_UNLOCK(&groups);
00832
00833 return res;
00834 }
00835
00836 int ast_app_group_get_count(const char *group, const char *category)
00837 {
00838 struct ast_group_info *gi = NULL;
00839 int count = 0;
00840
00841 if (ast_strlen_zero(group))
00842 return 0;
00843
00844 AST_LIST_LOCK(&groups);
00845 AST_LIST_TRAVERSE(&groups, gi, list) {
00846 if (!strcasecmp(gi->group, group) && (ast_strlen_zero(category) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category))))
00847 count++;
00848 }
00849 AST_LIST_UNLOCK(&groups);
00850
00851 return count;
00852 }
00853
00854 int ast_app_group_match_get_count(const char *groupmatch, const char *category)
00855 {
00856 struct ast_group_info *gi = NULL;
00857 regex_t regexbuf;
00858 int count = 0;
00859
00860 if (ast_strlen_zero(groupmatch))
00861 return 0;
00862
00863
00864 if (regcomp(®exbuf, groupmatch, REG_EXTENDED | REG_NOSUB))
00865 return 0;
00866
00867 AST_LIST_LOCK(&groups);
00868 AST_LIST_TRAVERSE(&groups, gi, list) {
00869 if (!regexec(®exbuf, gi->group, 0, NULL, 0) && (ast_strlen_zero(category) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category))))
00870 count++;
00871 }
00872 AST_LIST_UNLOCK(&groups);
00873
00874 regfree(®exbuf);
00875
00876 return count;
00877 }
00878
00879 int ast_app_group_update(struct ast_channel *old, struct ast_channel *new)
00880 {
00881 struct ast_group_info *gi = NULL;
00882
00883 AST_LIST_LOCK(&groups);
00884 AST_LIST_TRAVERSE(&groups, gi, list) {
00885 if (gi->chan == old)
00886 gi->chan = new;
00887 }
00888 AST_LIST_UNLOCK(&groups);
00889
00890 return 0;
00891 }
00892
00893 int ast_app_group_discard(struct ast_channel *chan)
00894 {
00895 struct ast_group_info *gi = NULL;
00896
00897 AST_LIST_LOCK(&groups);
00898 AST_LIST_TRAVERSE_SAFE_BEGIN(&groups, gi, list) {
00899 if (gi->chan == chan) {
00900 AST_LIST_REMOVE_CURRENT(&groups, list);
00901 free(gi);
00902 }
00903 }
00904 AST_LIST_TRAVERSE_SAFE_END
00905 AST_LIST_UNLOCK(&groups);
00906
00907 return 0;
00908 }
00909
00910 int ast_app_group_list_lock(void)
00911 {
00912 return AST_LIST_LOCK(&groups);
00913 }
00914
00915 struct ast_group_info *ast_app_group_list_head(void)
00916 {
00917 return AST_LIST_FIRST(&groups);
00918 }
00919
00920 int ast_app_group_list_unlock(void)
00921 {
00922 return AST_LIST_UNLOCK(&groups);
00923 }
00924
00925 unsigned int ast_app_separate_args(char *buf, char delim, char **array, int arraylen)
00926 {
00927 int argc;
00928 char *scan;
00929 int paren = 0, quote = 0;
00930
00931 if (!buf || !array || !arraylen)
00932 return 0;
00933
00934 memset(array, 0, arraylen * sizeof(*array));
00935
00936 scan = buf;
00937
00938 for (argc = 0; *scan && (argc < arraylen - 1); argc++) {
00939 array[argc] = scan;
00940 for (; *scan; scan++) {
00941 if (*scan == '(')
00942 paren++;
00943 else if (*scan == ')') {
00944 if (paren)
00945 paren--;
00946 } else if (*scan == '"' && delim != '"') {
00947 quote = quote ? 0 : 1;
00948
00949 memmove(scan, scan + 1, strlen(scan));
00950 scan--;
00951 } else if (*scan == '\\') {
00952
00953 memmove(scan, scan + 1, strlen(scan));
00954 } else if ((*scan == delim) && !paren && !quote) {
00955 *scan++ = '\0';
00956 break;
00957 }
00958 }
00959 }
00960
00961 if (*scan)
00962 array[argc++] = scan;
00963
00964 return argc;
00965 }
00966
00967 enum AST_LOCK_RESULT ast_lock_path(const char *path)
00968 {
00969 char *s;
00970 char *fs;
00971 int res;
00972 int fd;
00973 int lp = strlen(path);
00974 time_t start;
00975
00976 if (!(s = alloca(lp + 10)) || !(fs = alloca(lp + 20))) {
00977 ast_log(LOG_WARNING, "Out of memory!\n");
00978 return AST_LOCK_FAILURE;
00979 }
00980
00981 snprintf(fs, strlen(path) + 19, "%s/.lock-%08lx", path, ast_random());
00982 fd = open(fs, O_WRONLY | O_CREAT | O_EXCL, 0600);
00983 if (fd < 0) {
00984 ast_log(LOG_ERROR, "Unable to create lock file '%s': %s\n", path, strerror(errno));
00985 return AST_LOCK_PATH_NOT_FOUND;
00986 }
00987 close(fd);
00988
00989 snprintf(s, strlen(path) + 9, "%s/.lock", path);
00990 start = time(NULL);
00991 while (((res = link(fs, s)) < 0) && (errno == EEXIST) && (time(NULL) - start < 5))
00992 usleep(1);
00993
00994 unlink(fs);
00995
00996 if (res) {
00997 ast_log(LOG_WARNING, "Failed to lock path '%s': %s\n", path, strerror(errno));
00998 return AST_LOCK_TIMEOUT;
00999 } else {
01000 if (option_debug)
01001 ast_log(LOG_DEBUG, "Locked path '%s'\n", path);
01002 return AST_LOCK_SUCCESS;
01003 }
01004 }
01005
01006 int ast_unlock_path(const char *path)
01007 {
01008 char *s;
01009 int res;
01010
01011 if (!(s = alloca(strlen(path) + 10))) {
01012 ast_log(LOG_WARNING, "Out of memory!\n");
01013 return -1;
01014 }
01015
01016 snprintf(s, strlen(path) + 9, "%s/%s", path, ".lock");
01017
01018 if ((res = unlink(s)))
01019 ast_log(LOG_ERROR, "Could not unlock path '%s': %s\n", path, strerror(errno));
01020 else {
01021 if (option_debug)
01022 ast_log(LOG_DEBUG, "Unlocked path '%s'\n", path);
01023 }
01024
01025 return res;
01026 }
01027
01028 int ast_record_review(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime, const char *fmt, int *duration, const char *path)
01029 {
01030 int silencethreshold = 128;
01031 int maxsilence=0;
01032 int res = 0;
01033 int cmd = 0;
01034 int max_attempts = 3;
01035 int attempts = 0;
01036 int recorded = 0;
01037 int message_exists = 0;
01038
01039
01040
01041 if (duration == NULL) {
01042 ast_log(LOG_WARNING, "Error ast_record_review called without duration pointer\n");
01043 return -1;
01044 }
01045
01046 cmd = '3';
01047
01048 while ((cmd >= 0) && (cmd != 't')) {
01049 switch (cmd) {
01050 case '1':
01051 if (!message_exists) {
01052
01053 cmd = '3';
01054 break;
01055 } else {
01056 ast_stream_and_wait(chan, "vm-msgsaved", chan->language, "");
01057 cmd = 't';
01058 return res;
01059 }
01060 case '2':
01061
01062 ast_verbose(VERBOSE_PREFIX_3 "Reviewing the recording\n");
01063 cmd = ast_stream_and_wait(chan, recordfile, chan->language, AST_DIGIT_ANY);
01064 break;
01065 case '3':
01066 message_exists = 0;
01067
01068 if (recorded == 1)
01069 ast_verbose(VERBOSE_PREFIX_3 "Re-recording\n");
01070 else
01071 ast_verbose(VERBOSE_PREFIX_3 "Recording\n");
01072 recorded = 1;
01073 cmd = ast_play_and_record(chan, playfile, recordfile, maxtime, fmt, duration, silencethreshold, maxsilence, path);
01074 if (cmd == -1) {
01075
01076 return cmd;
01077 }
01078 if (cmd == '0') {
01079 break;
01080 } else if (cmd == '*') {
01081 break;
01082 }
01083 else {
01084
01085 message_exists = 1;
01086 cmd = 0;
01087 }
01088 break;
01089 case '4':
01090 case '5':
01091 case '6':
01092 case '7':
01093 case '8':
01094 case '9':
01095 case '*':
01096 case '#':
01097 cmd = ast_play_and_wait(chan, "vm-sorry");
01098 break;
01099 default:
01100 if (message_exists) {
01101 cmd = ast_play_and_wait(chan, "vm-review");
01102 }
01103 else {
01104 cmd = ast_play_and_wait(chan, "vm-torerecord");
01105 if (!cmd)
01106 cmd = ast_waitfordigit(chan, 600);
01107 }
01108
01109 if (!cmd)
01110 cmd = ast_waitfordigit(chan, 6000);
01111 if (!cmd) {
01112 attempts++;
01113 }
01114 if (attempts > max_attempts) {
01115 cmd = 't';
01116 }
01117 }
01118 }
01119 if (cmd == 't')
01120 cmd = 0;
01121 return cmd;
01122 }
01123
01124 #define RES_UPONE (1 << 16)
01125 #define RES_EXIT (1 << 17)
01126 #define RES_REPEAT (1 << 18)
01127 #define RES_RESTART ((1 << 19) | RES_REPEAT)
01128
01129 static int ast_ivr_menu_run_internal(struct ast_channel *chan, struct ast_ivr_menu *menu, void *cbdata);
01130
01131 static int ivr_dispatch(struct ast_channel *chan, struct ast_ivr_option *option, char *exten, void *cbdata)
01132 {
01133 int res;
01134 int (*ivr_func)(struct ast_channel *, void *);
01135 char *c;
01136 char *n;
01137
01138 switch(option->action) {
01139 case AST_ACTION_UPONE:
01140 return RES_UPONE;
01141 case AST_ACTION_EXIT:
01142 return RES_EXIT | (((unsigned long)(option->adata)) & 0xffff);
01143 case AST_ACTION_REPEAT:
01144 return RES_REPEAT | (((unsigned long)(option->adata)) & 0xffff);
01145 case AST_ACTION_RESTART:
01146 return RES_RESTART ;
01147 case AST_ACTION_NOOP:
01148 return 0;
01149 case AST_ACTION_BACKGROUND:
01150 res = ast_stream_and_wait(chan, (char *)option->adata, chan->language, AST_DIGIT_ANY);
01151 if (res < 0) {
01152 ast_log(LOG_NOTICE, "Unable to find file '%s'!\n", (char *)option->adata);
01153 res = 0;
01154 }
01155 return res;
01156 case AST_ACTION_PLAYBACK:
01157 res = ast_stream_and_wait(chan, (char *)option->adata, chan->language, "");
01158 if (res < 0) {
01159 ast_log(LOG_NOTICE, "Unable to find file '%s'!\n", (char *)option->adata);
01160 res = 0;
01161 }
01162 return res;
01163 case AST_ACTION_MENU:
01164 res = ast_ivr_menu_run_internal(chan, (struct ast_ivr_menu *)option->adata, cbdata);
01165
01166 if (res == -2)
01167 res = 0;
01168 return res;
01169 case AST_ACTION_WAITOPTION:
01170 res = ast_waitfordigit(chan, 1000 * (chan->pbx ? chan->pbx->rtimeout : 10));
01171 if (!res)
01172 return 't';
01173 return res;
01174 case AST_ACTION_CALLBACK:
01175 ivr_func = option->adata;
01176 res = ivr_func(chan, cbdata);
01177 return res;
01178 case AST_ACTION_TRANSFER:
01179 res = ast_parseable_goto(chan, option->adata);
01180 return 0;
01181 case AST_ACTION_PLAYLIST:
01182 case AST_ACTION_BACKLIST:
01183 res = 0;
01184 c = ast_strdupa(option->adata);
01185 while ((n = strsep(&c, ";"))) {
01186 if ((res = ast_stream_and_wait(chan, n, chan->language,
01187 (option->action == AST_ACTION_BACKLIST) ? AST_DIGIT_ANY : "")))
01188 break;
01189 }
01190 ast_stopstream(chan);
01191 return res;
01192 default:
01193 ast_log(LOG_NOTICE, "Unknown dispatch function %d, ignoring!\n", option->action);
01194 return 0;
01195 };
01196 return -1;
01197 }
01198
01199 static int option_exists(struct ast_ivr_menu *menu, char *option)
01200 {
01201 int x;
01202 for (x = 0; menu->options[x].option; x++)
01203 if (!strcasecmp(menu->options[x].option, option))
01204 return x;
01205 return -1;
01206 }
01207
01208 static int option_matchmore(struct ast_ivr_menu *menu, char *option)
01209 {
01210 int x;
01211 for (x = 0; menu->options[x].option; x++)
01212 if ((!strncasecmp(menu->options[x].option, option, strlen(option))) &&
01213 (menu->options[x].option[strlen(option)]))
01214 return x;
01215 return -1;
01216 }
01217
01218 static int read_newoption(struct ast_channel *chan, struct ast_ivr_menu *menu, char *exten, int maxexten)
01219 {
01220 int res=0;
01221 int ms;
01222 while (option_matchmore(menu, exten)) {
01223 ms = chan->pbx ? chan->pbx->dtimeout : 5000;
01224 if (strlen(exten) >= maxexten - 1)
01225 break;
01226 res = ast_waitfordigit(chan, ms);
01227 if (res < 1)
01228 break;
01229 exten[strlen(exten) + 1] = '\0';
01230 exten[strlen(exten)] = res;
01231 }
01232 return res > 0 ? 0 : res;
01233 }
01234
01235 static int ast_ivr_menu_run_internal(struct ast_channel *chan, struct ast_ivr_menu *menu, void *cbdata)
01236 {
01237
01238 int res=0;
01239 int pos = 0;
01240 int retries = 0;
01241 char exten[AST_MAX_EXTENSION] = "s";
01242 if (option_exists(menu, "s") < 0) {
01243 strcpy(exten, "g");
01244 if (option_exists(menu, "g") < 0) {
01245 ast_log(LOG_WARNING, "No 's' nor 'g' extension in menu '%s'!\n", menu->title);
01246 return -1;
01247 }
01248 }
01249 while(!res) {
01250 while(menu->options[pos].option) {
01251 if (!strcasecmp(menu->options[pos].option, exten)) {
01252 res = ivr_dispatch(chan, menu->options + pos, exten, cbdata);
01253 if (option_debug)
01254 ast_log(LOG_DEBUG, "IVR Dispatch of '%s' (pos %d) yields %d\n", exten, pos, res);
01255 if (res < 0)
01256 break;
01257 else if (res & RES_UPONE)
01258 return 0;
01259 else if (res & RES_EXIT)
01260 return res;
01261 else if (res & RES_REPEAT) {
01262 int maxretries = res & 0xffff;
01263 if ((res & RES_RESTART) == RES_RESTART) {
01264 retries = 0;
01265 } else
01266 retries++;
01267 if (!maxretries)
01268 maxretries = 3;
01269 if ((maxretries > 0) && (retries >= maxretries)) {
01270 if (option_debug)
01271 ast_log(LOG_DEBUG, "Max retries %d exceeded\n", maxretries);
01272 return -2;
01273 } else {
01274 if (option_exists(menu, "g") > -1)
01275 strcpy(exten, "g");
01276 else if (option_exists(menu, "s") > -1)
01277 strcpy(exten, "s");
01278 }
01279 pos = 0;
01280 continue;
01281 } else if (res && strchr(AST_DIGIT_ANY, res)) {
01282 if (option_debug)
01283 ast_log(LOG_DEBUG, "Got start of extension, %c\n", res);
01284 exten[1] = '\0';
01285 exten[0] = res;
01286 if ((res = read_newoption(chan, menu, exten, sizeof(exten))))
01287 break;
01288 if (option_exists(menu, exten) < 0) {
01289 if (option_exists(menu, "i")) {
01290 if (option_debug)
01291 ast_log(LOG_DEBUG, "Invalid extension entered, going to 'i'!\n");
01292 strcpy(exten, "i");
01293 pos = 0;
01294 continue;
01295 } else {
01296 if (option_debug)
01297 ast_log(LOG_DEBUG, "Aborting on invalid entry, with no 'i' option!\n");
01298 res = -2;
01299 break;
01300 }
01301 } else {
01302 if (option_debug)
01303 ast_log(LOG_DEBUG, "New existing extension: %s\n", exten);
01304 pos = 0;
01305 continue;
01306 }
01307 }
01308 }
01309 pos++;
01310 }
01311 if (option_debug)
01312 ast_log(LOG_DEBUG, "Stopping option '%s', res is %d\n", exten, res);
01313 pos = 0;
01314 if (!strcasecmp(exten, "s"))
01315 strcpy(exten, "g");
01316 else
01317 break;
01318 }
01319 return res;
01320 }
01321
01322 int ast_ivr_menu_run(struct ast_channel *chan, struct ast_ivr_menu *menu, void *cbdata)
01323 {
01324 int res = ast_ivr_menu_run_internal(chan, menu, cbdata);
01325
01326 return res > 0 ? 0 : res;
01327 }
01328
01329 char *ast_read_textfile(const char *filename)
01330 {
01331 int fd;
01332 char *output = NULL;
01333 struct stat filesize;
01334 int count = 0;
01335 int res;
01336 if (stat(filename, &filesize) == -1) {
01337 ast_log(LOG_WARNING, "Error can't stat %s\n", filename);
01338 return NULL;
01339 }
01340 count = filesize.st_size + 1;
01341 fd = open(filename, O_RDONLY);
01342 if (fd < 0) {
01343 ast_log(LOG_WARNING, "Cannot open file '%s' for reading: %s\n", filename, strerror(errno));
01344 return NULL;
01345 }
01346 if ((output = ast_malloc(count))) {
01347 res = read(fd, output, count - 1);
01348 if (res == count - 1) {
01349 output[res] = '\0';
01350 } else {
01351 ast_log(LOG_WARNING, "Short read of %s (%d of %d): %s\n", filename, res, count - 1, strerror(errno));
01352 free(output);
01353 output = NULL;
01354 }
01355 }
01356 close(fd);
01357 return output;
01358 }
01359
01360 int ast_app_parse_options(const struct ast_app_option *options, struct ast_flags *flags, char **args, char *optstr)
01361 {
01362 char *s;
01363 int curarg;
01364 unsigned int argloc;
01365 char *arg;
01366 int res = 0;
01367
01368 ast_clear_flag(flags, AST_FLAGS_ALL);
01369
01370 if (!optstr)
01371 return 0;
01372
01373 s = optstr;
01374 while (*s) {
01375 curarg = *s++ & 0x7f;
01376 ast_set_flag(flags, options[curarg].flag);
01377 argloc = options[curarg].arg_index;
01378 if (*s == '(') {
01379
01380 arg = ++s;
01381 if ((s = strchr(s, ')'))) {
01382 if (argloc)
01383 args[argloc - 1] = arg;
01384 *s++ = '\0';
01385 } else {
01386 ast_log(LOG_WARNING, "Missing closing parenthesis for argument '%c' in string '%s'\n", curarg, arg);
01387 res = -1;
01388 break;
01389 }
01390 } else if (argloc) {
01391 args[argloc - 1] = NULL;
01392 }
01393 }
01394
01395 return res;
01396 }
01397