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00026 #include "asterisk.h"
00027
00028 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 291075 $")
00029
00030 #include "asterisk/_private.h"
00031 #include "asterisk/paths.h"
00032 #include <sys/signal.h>
00033 #include <signal.h>
00034 #include <ctype.h>
00035 #include <regex.h>
00036 #include <pwd.h>
00037 #include <grp.h>
00038
00039 #include "asterisk/cli.h"
00040 #include "asterisk/linkedlists.h"
00041 #include "asterisk/module.h"
00042 #include "asterisk/pbx.h"
00043 #include "asterisk/channel.h"
00044 #include "asterisk/utils.h"
00045 #include "asterisk/app.h"
00046 #include "asterisk/lock.h"
00047 #include "editline/readline/readline.h"
00048 #include "asterisk/threadstorage.h"
00049 #include "asterisk/translate.h"
00050
00051
00052
00053
00054 struct cli_perm {
00055 unsigned int permit:1;
00056 char *command;
00057 AST_LIST_ENTRY(cli_perm) list;
00058 };
00059
00060 AST_LIST_HEAD_NOLOCK(cli_perm_head, cli_perm);
00061
00062
00063 struct usergroup_cli_perm {
00064 int uid;
00065 int gid;
00066 struct cli_perm_head *perms;
00067 AST_LIST_ENTRY(usergroup_cli_perm) list;
00068 };
00069
00070 static const char perms_config[] = "cli_permissions.conf";
00071
00072 static int cli_default_perm = 1;
00073
00074
00075
00076 AST_MUTEX_DEFINE_STATIC(permsconfiglock);
00077
00078 static AST_RWLIST_HEAD_STATIC(cli_perms, usergroup_cli_perm);
00079
00080
00081
00082
00083 struct module_level {
00084 unsigned int level;
00085 AST_RWLIST_ENTRY(module_level) entry;
00086 char module[0];
00087 };
00088
00089 AST_RWLIST_HEAD(module_level_list, module_level);
00090
00091
00092 static struct module_level_list debug_modules;
00093
00094 static struct module_level_list verbose_modules;
00095
00096 AST_THREADSTORAGE(ast_cli_buf);
00097
00098
00099 #define AST_CLI_INITLEN 256
00100
00101 void ast_cli(int fd, const char *fmt, ...)
00102 {
00103 int res;
00104 struct ast_str *buf;
00105 va_list ap;
00106
00107 if (!(buf = ast_str_thread_get(&ast_cli_buf, AST_CLI_INITLEN)))
00108 return;
00109
00110 va_start(ap, fmt);
00111 res = ast_str_set_va(&buf, 0, fmt, ap);
00112 va_end(ap);
00113
00114 if (res != AST_DYNSTR_BUILD_FAILED) {
00115 ast_carefulwrite(fd, ast_str_buffer(buf), ast_str_strlen(buf), 100);
00116 }
00117 }
00118
00119 unsigned int ast_debug_get_by_module(const char *module)
00120 {
00121 struct module_level *ml;
00122 unsigned int res = 0;
00123
00124 AST_RWLIST_RDLOCK(&debug_modules);
00125 AST_LIST_TRAVERSE(&debug_modules, ml, entry) {
00126 if (!strcasecmp(ml->module, module)) {
00127 res = ml->level;
00128 break;
00129 }
00130 }
00131 AST_RWLIST_UNLOCK(&debug_modules);
00132
00133 return res;
00134 }
00135
00136 unsigned int ast_verbose_get_by_module(const char *module)
00137 {
00138 struct module_level *ml;
00139 unsigned int res = 0;
00140
00141 AST_RWLIST_RDLOCK(&verbose_modules);
00142 AST_LIST_TRAVERSE(&verbose_modules, ml, entry) {
00143 if (!strcasecmp(ml->module, module)) {
00144 res = ml->level;
00145 break;
00146 }
00147 }
00148 AST_RWLIST_UNLOCK(&verbose_modules);
00149
00150 return res;
00151 }
00152
00153
00154
00155
00156
00157
00158
00159
00160
00161
00162
00163
00164
00165
00166 static int cli_has_permissions(int uid, int gid, const char *command)
00167 {
00168 struct usergroup_cli_perm *user_perm;
00169 struct cli_perm *perm;
00170
00171 int isallowg = cli_default_perm, isallowu = -1, ispattern;
00172 regex_t regexbuf;
00173
00174
00175
00176
00177 if ((uid == CLI_NO_PERMS && gid == CLI_NO_PERMS) || command[0] == '_') {
00178 return 1;
00179 }
00180
00181 if (gid < 0 && uid < 0) {
00182 return cli_default_perm;
00183 }
00184
00185 AST_RWLIST_RDLOCK(&cli_perms);
00186 AST_LIST_TRAVERSE(&cli_perms, user_perm, list) {
00187 if (user_perm->gid != gid && user_perm->uid != uid) {
00188 continue;
00189 }
00190 AST_LIST_TRAVERSE(user_perm->perms, perm, list) {
00191 if (strcasecmp(perm->command, "all") && strncasecmp(perm->command, command, strlen(perm->command))) {
00192
00193 ispattern = !regcomp(®exbuf, perm->command, REG_EXTENDED | REG_NOSUB | REG_ICASE);
00194 if (ispattern && regexec(®exbuf, command, 0, NULL, 0)) {
00195 regfree(®exbuf);
00196 continue;
00197 }
00198 if (!ispattern) {
00199 continue;
00200 }
00201 regfree(®exbuf);
00202 }
00203 if (user_perm->uid == uid) {
00204
00205 isallowu = perm->permit;
00206 } else {
00207
00208 isallowg = perm->permit;
00209 }
00210 }
00211 }
00212 AST_RWLIST_UNLOCK(&cli_perms);
00213 if (isallowu > -1) {
00214
00215 isallowg = isallowu;
00216 }
00217
00218 return isallowg;
00219 }
00220
00221 static AST_RWLIST_HEAD_STATIC(helpers, ast_cli_entry);
00222
00223 static char *complete_fn(const char *word, int state)
00224 {
00225 char *c, *d;
00226 char filename[PATH_MAX];
00227
00228 if (word[0] == '/')
00229 ast_copy_string(filename, word, sizeof(filename));
00230 else
00231 snprintf(filename, sizeof(filename), "%s/%s", ast_config_AST_MODULE_DIR, word);
00232
00233 c = d = filename_completion_function(filename, state);
00234
00235 if (c && word[0] != '/')
00236 c += (strlen(ast_config_AST_MODULE_DIR) + 1);
00237 if (c)
00238 c = ast_strdup(c);
00239
00240 free(d);
00241
00242 return c;
00243 }
00244
00245 static char *handle_load(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
00246 {
00247
00248 switch (cmd) {
00249 case CLI_INIT:
00250 e->command = "module load";
00251 e->usage =
00252 "Usage: module load <module name>\n"
00253 " Loads the specified module into Asterisk.\n";
00254 return NULL;
00255
00256 case CLI_GENERATE:
00257 if (a->pos != e->args)
00258 return NULL;
00259 return complete_fn(a->word, a->n);
00260 }
00261 if (a->argc != e->args + 1)
00262 return CLI_SHOWUSAGE;
00263 if (ast_load_resource(a->argv[e->args])) {
00264 ast_cli(a->fd, "Unable to load module %s\n", a->argv[e->args]);
00265 return CLI_FAILURE;
00266 }
00267 ast_cli(a->fd, "Loaded %s\n", a->argv[e->args]);
00268 return CLI_SUCCESS;
00269 }
00270
00271 static char *handle_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
00272 {
00273 int x;
00274
00275 switch (cmd) {
00276 case CLI_INIT:
00277 e->command = "module reload";
00278 e->usage =
00279 "Usage: module reload [module ...]\n"
00280 " Reloads configuration files for all listed modules which support\n"
00281 " reloading, or for all supported modules if none are listed.\n";
00282 return NULL;
00283
00284 case CLI_GENERATE:
00285 return ast_module_helper(a->line, a->word, a->pos, a->n, a->pos, 1);
00286 }
00287 if (a->argc == e->args) {
00288 ast_module_reload(NULL);
00289 return CLI_SUCCESS;
00290 }
00291 for (x = e->args; x < a->argc; x++) {
00292 int res = ast_module_reload(a->argv[x]);
00293
00294 switch (res) {
00295 case 0:
00296 ast_cli(a->fd, "No such module '%s'\n", a->argv[x]);
00297 break;
00298 case 1:
00299 ast_cli(a->fd, "Module '%s' does not support reload\n", a->argv[x]);
00300 break;
00301 }
00302 }
00303 return CLI_SUCCESS;
00304 }
00305
00306 static char *handle_core_reload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
00307 {
00308 switch (cmd) {
00309 case CLI_INIT:
00310 e->command = "core reload";
00311 e->usage =
00312 "Usage: core reload\n"
00313 " Execute a global reload.\n";
00314 return NULL;
00315
00316 case CLI_GENERATE:
00317 return NULL;
00318 }
00319
00320 if (a->argc != e->args) {
00321 return CLI_SHOWUSAGE;
00322 }
00323
00324 ast_module_reload(NULL);
00325
00326 return CLI_SUCCESS;
00327 }
00328
00329
00330
00331
00332 static struct module_level *find_module_level(const char *module, unsigned int debug)
00333 {
00334 struct module_level *ml;
00335 struct module_level_list *mll = debug ? &debug_modules : &verbose_modules;
00336
00337 AST_LIST_TRAVERSE(mll, ml, entry) {
00338 if (!strcasecmp(ml->module, module))
00339 return ml;
00340 }
00341
00342 return NULL;
00343 }
00344
00345 static char *complete_number(const char *partial, unsigned int min, unsigned int max, int n)
00346 {
00347 int i, count = 0;
00348 unsigned int prospective[2];
00349 unsigned int part = strtoul(partial, NULL, 10);
00350 char next[12];
00351
00352 if (part < min || part > max) {
00353 return NULL;
00354 }
00355
00356 for (i = 0; i < 21; i++) {
00357 if (i == 0) {
00358 prospective[0] = prospective[1] = part;
00359 } else if (part == 0 && !ast_strlen_zero(partial)) {
00360 break;
00361 } else if (i < 11) {
00362 prospective[0] = prospective[1] = part * 10 + (i - 1);
00363 } else {
00364 prospective[0] = (part * 10 + (i - 11)) * 10;
00365 prospective[1] = prospective[0] + 9;
00366 }
00367 if (i < 11 && (prospective[0] < min || prospective[0] > max)) {
00368 continue;
00369 } else if (prospective[1] < min || prospective[0] > max) {
00370 continue;
00371 }
00372
00373 if (++count > n) {
00374 if (i < 11) {
00375 snprintf(next, sizeof(next), "%u", prospective[0]);
00376 } else {
00377 snprintf(next, sizeof(next), "%u...", prospective[0] / 10);
00378 }
00379 return ast_strdup(next);
00380 }
00381 }
00382 return NULL;
00383 }
00384
00385 static char *handle_verbose(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
00386 {
00387 int oldval;
00388 int newlevel;
00389 unsigned int is_debug;
00390 int atleast = 0;
00391 int fd = a->fd;
00392 int argc = a->argc;
00393 const char * const *argv = a->argv;
00394 const char *argv3 = a->argv ? S_OR(a->argv[3], "") : "";
00395 int *dst;
00396 char *what;
00397 struct module_level_list *mll;
00398 struct module_level *ml;
00399
00400 switch (cmd) {
00401 case CLI_INIT:
00402 e->command = "core set {debug|verbose}";
00403 e->usage =
00404 #if !defined(LOW_MEMORY)
00405 "Usage: core set {debug|verbose} [atleast] <level> [module]\n"
00406 #else
00407 "Usage: core set {debug|verbose} [atleast] <level>\n"
00408 #endif
00409 " core set {debug|verbose} off\n"
00410 #if !defined(LOW_MEMORY)
00411 " Sets level of debug or verbose messages to be displayed or\n"
00412 " sets a module name to display debug messages from.\n"
00413 #else
00414 " Sets level of debug or verbose messages to be displayed.\n"
00415 #endif
00416 " 0 or off means no messages should be displayed.\n"
00417 " Equivalent to -d[d[...]] or -v[v[v...]] on startup\n";
00418 return NULL;
00419
00420 case CLI_GENERATE:
00421 if (a->pos == 3 || (a->pos == 4 && !strcasecmp(a->argv[3], "atleast"))) {
00422 const char *pos = a->pos == 3 ? argv3 : S_OR(a->argv[4], "");
00423 int numbermatch = (ast_strlen_zero(pos) || strchr("123456789", pos[0])) ? 0 : 21;
00424 if (a->n < 21 && numbermatch == 0) {
00425 return complete_number(pos, 0, 0x7fffffff, a->n);
00426 } else if (pos[0] == '0') {
00427 if (a->n == 0) {
00428 return ast_strdup("0");
00429 } else {
00430 return NULL;
00431 }
00432 } else if (a->n == (21 - numbermatch)) {
00433 if (a->pos == 3 && !strncasecmp(argv3, "off", strlen(argv3))) {
00434 return ast_strdup("off");
00435 } else if (a->pos == 3 && !strncasecmp(argv3, "atleast", strlen(argv3))) {
00436 return ast_strdup("atleast");
00437 }
00438 } else if (a->n == (22 - numbermatch) && a->pos == 3 && ast_strlen_zero(argv3)) {
00439 return ast_strdup("atleast");
00440 }
00441 #if !defined(LOW_MEMORY)
00442 } else if (a->pos == 4 || (a->pos == 5 && !strcasecmp(argv3, "atleast"))) {
00443 return ast_complete_source_filename(a->pos == 4 ? S_OR(a->argv[4], "") : S_OR(a->argv[5], ""), a->n);
00444 #endif
00445 }
00446 return NULL;
00447 }
00448
00449
00450
00451
00452 if (argc <= e->args)
00453 return CLI_SHOWUSAGE;
00454 if (!strcasecmp(argv[e->args - 1], "debug")) {
00455 dst = &option_debug;
00456 oldval = option_debug;
00457 what = "Core debug";
00458 is_debug = 1;
00459 } else {
00460 dst = &option_verbose;
00461 oldval = option_verbose;
00462 what = "Verbosity";
00463 is_debug = 0;
00464 }
00465 if (argc == e->args + 1 && !strcasecmp(argv[e->args], "off")) {
00466 newlevel = 0;
00467
00468 mll = is_debug ? &debug_modules : &verbose_modules;
00469
00470 AST_RWLIST_WRLOCK(mll);
00471 while ((ml = AST_RWLIST_REMOVE_HEAD(mll, entry))) {
00472 ast_free(ml);
00473 }
00474 ast_clear_flag(&ast_options, is_debug ? AST_OPT_FLAG_DEBUG_MODULE : AST_OPT_FLAG_VERBOSE_MODULE);
00475 AST_RWLIST_UNLOCK(mll);
00476
00477 goto done;
00478 }
00479 if (!strcasecmp(argv[e->args], "atleast"))
00480 atleast = 1;
00481 if (argc != e->args + atleast + 1 && argc != e->args + atleast + 2)
00482 return CLI_SHOWUSAGE;
00483 if (sscanf(argv[e->args + atleast], "%30d", &newlevel) != 1)
00484 return CLI_SHOWUSAGE;
00485 if (argc == e->args + atleast + 2) {
00486
00487 char *mod = ast_strdupa(argv[e->args + atleast + 1]);
00488
00489 if ((strlen(mod) > 3) && !strcasecmp(mod + strlen(mod) - 3, ".so")) {
00490 mod[strlen(mod) - 3] = '\0';
00491 }
00492
00493 mll = is_debug ? &debug_modules : &verbose_modules;
00494
00495 AST_RWLIST_WRLOCK(mll);
00496
00497 ml = find_module_level(mod, is_debug);
00498 if (!newlevel) {
00499 if (!ml) {
00500
00501 AST_RWLIST_UNLOCK(mll);
00502 return CLI_SUCCESS;
00503 }
00504 AST_RWLIST_REMOVE(mll, ml, entry);
00505 if (AST_RWLIST_EMPTY(mll))
00506 ast_clear_flag(&ast_options, is_debug ? AST_OPT_FLAG_DEBUG_MODULE : AST_OPT_FLAG_VERBOSE_MODULE);
00507 AST_RWLIST_UNLOCK(mll);
00508 ast_cli(fd, "%s was %d and has been set to 0 for '%s'\n", what, ml->level, mod);
00509 ast_free(ml);
00510 return CLI_SUCCESS;
00511 }
00512
00513 if (ml) {
00514 if ((atleast && newlevel < ml->level) || ml->level == newlevel) {
00515 ast_cli(fd, "%s is %d for '%s'\n", what, ml->level, mod);
00516 AST_RWLIST_UNLOCK(mll);
00517 return CLI_SUCCESS;
00518 }
00519 oldval = ml->level;
00520 ml->level = newlevel;
00521 } else {
00522 ml = ast_calloc(1, sizeof(*ml) + strlen(mod) + 1);
00523 if (!ml) {
00524 AST_RWLIST_UNLOCK(mll);
00525 return CLI_FAILURE;
00526 }
00527 oldval = ml->level;
00528 ml->level = newlevel;
00529 strcpy(ml->module, mod);
00530 AST_RWLIST_INSERT_TAIL(mll, ml, entry);
00531 }
00532
00533 ast_set_flag(&ast_options, is_debug ? AST_OPT_FLAG_DEBUG_MODULE : AST_OPT_FLAG_VERBOSE_MODULE);
00534
00535 AST_RWLIST_UNLOCK(mll);
00536
00537 ast_cli(fd, "%s was %d and has been set to %d for '%s'\n", what, oldval, ml->level, ml->module);
00538
00539 return CLI_SUCCESS;
00540 } else if (!newlevel) {
00541
00542 mll = is_debug ? &debug_modules : &verbose_modules;
00543
00544 AST_RWLIST_WRLOCK(mll);
00545 while ((ml = AST_RWLIST_REMOVE_HEAD(mll, entry))) {
00546 ast_free(ml);
00547 }
00548 ast_clear_flag(&ast_options, is_debug ? AST_OPT_FLAG_DEBUG_MODULE : AST_OPT_FLAG_VERBOSE_MODULE);
00549 AST_RWLIST_UNLOCK(mll);
00550 }
00551
00552 done:
00553 if (!atleast || newlevel > *dst)
00554 *dst = newlevel;
00555 if (oldval > 0 && *dst == 0)
00556 ast_cli(fd, "%s is now OFF\n", what);
00557 else if (*dst > 0) {
00558 if (oldval == *dst)
00559 ast_cli(fd, "%s is at least %d\n", what, *dst);
00560 else
00561 ast_cli(fd, "%s was %d and is now %d\n", what, oldval, *dst);
00562 }
00563
00564 return CLI_SUCCESS;
00565 }
00566
00567 static char *handle_logger_mute(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
00568 {
00569 switch (cmd) {
00570 case CLI_INIT:
00571 e->command = "logger mute";
00572 e->usage =
00573 "Usage: logger mute\n"
00574 " Disables logging output to the current console, making it possible to\n"
00575 " gather information without being disturbed by scrolling lines.\n";
00576 return NULL;
00577 case CLI_GENERATE:
00578 return NULL;
00579 }
00580
00581 if (a->argc < 2 || a->argc > 3)
00582 return CLI_SHOWUSAGE;
00583
00584 if (a->argc == 3 && !strcasecmp(a->argv[2], "silent"))
00585 ast_console_toggle_mute(a->fd, 1);
00586 else
00587 ast_console_toggle_mute(a->fd, 0);
00588
00589 return CLI_SUCCESS;
00590 }
00591
00592 static char *handle_unload(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
00593 {
00594
00595 int x;
00596 int force = AST_FORCE_SOFT;
00597 const char *s;
00598
00599 switch (cmd) {
00600 case CLI_INIT:
00601 e->command = "module unload";
00602 e->usage =
00603 "Usage: module unload [-f|-h] <module_1> [<module_2> ... ]\n"
00604 " Unloads the specified module from Asterisk. The -f\n"
00605 " option causes the module to be unloaded even if it is\n"
00606 " in use (may cause a crash) and the -h module causes the\n"
00607 " module to be unloaded even if the module says it cannot, \n"
00608 " which almost always will cause a crash.\n";
00609 return NULL;
00610
00611 case CLI_GENERATE:
00612 return ast_module_helper(a->line, a->word, a->pos, a->n, a->pos, 0);
00613 }
00614 if (a->argc < e->args + 1)
00615 return CLI_SHOWUSAGE;
00616 x = e->args;
00617 s = a->argv[x];
00618 if (s[0] == '-') {
00619 if (s[1] == 'f')
00620 force = AST_FORCE_FIRM;
00621 else if (s[1] == 'h')
00622 force = AST_FORCE_HARD;
00623 else
00624 return CLI_SHOWUSAGE;
00625 if (a->argc < e->args + 2)
00626 return CLI_SHOWUSAGE;
00627 x++;
00628 }
00629
00630 for (; x < a->argc; x++) {
00631 if (ast_unload_resource(a->argv[x], force)) {
00632 ast_cli(a->fd, "Unable to unload resource %s\n", a->argv[x]);
00633 return CLI_FAILURE;
00634 }
00635 ast_cli(a->fd, "Unloaded %s\n", a->argv[x]);
00636 }
00637
00638 return CLI_SUCCESS;
00639 }
00640
00641 #define MODLIST_FORMAT "%-30s %-40.40s %-10d\n"
00642 #define MODLIST_FORMAT2 "%-30s %-40.40s %-10s\n"
00643
00644 AST_MUTEX_DEFINE_STATIC(climodentrylock);
00645 static int climodentryfd = -1;
00646
00647 static int modlist_modentry(const char *module, const char *description, int usecnt, const char *like)
00648 {
00649
00650 if (strcasestr(module, like) ) {
00651 ast_cli(climodentryfd, MODLIST_FORMAT, module, description, usecnt);
00652 return 1;
00653 }
00654 return 0;
00655 }
00656
00657 static void print_uptimestr(int fd, struct timeval timeval, const char *prefix, int printsec)
00658 {
00659 int x;
00660 struct ast_str *out;
00661
00662 #define SECOND (1)
00663 #define MINUTE (SECOND*60)
00664 #define HOUR (MINUTE*60)
00665 #define DAY (HOUR*24)
00666 #define WEEK (DAY*7)
00667 #define YEAR (DAY*365)
00668 #define NEEDCOMMA(x) ((x)? ",": "")
00669 if (timeval.tv_sec < 0)
00670 return;
00671
00672 if (printsec) {
00673 ast_cli(fd, "%s: %lu\n", prefix, (u_long)timeval.tv_sec);
00674 return;
00675 }
00676 out = ast_str_alloca(256);
00677 if (timeval.tv_sec > YEAR) {
00678 x = (timeval.tv_sec / YEAR);
00679 timeval.tv_sec -= (x * YEAR);
00680 ast_str_append(&out, 0, "%d year%s%s ", x, ESS(x),NEEDCOMMA(timeval.tv_sec));
00681 }
00682 if (timeval.tv_sec > WEEK) {
00683 x = (timeval.tv_sec / WEEK);
00684 timeval.tv_sec -= (x * WEEK);
00685 ast_str_append(&out, 0, "%d week%s%s ", x, ESS(x),NEEDCOMMA(timeval.tv_sec));
00686 }
00687 if (timeval.tv_sec > DAY) {
00688 x = (timeval.tv_sec / DAY);
00689 timeval.tv_sec -= (x * DAY);
00690 ast_str_append(&out, 0, "%d day%s%s ", x, ESS(x),NEEDCOMMA(timeval.tv_sec));
00691 }
00692 if (timeval.tv_sec > HOUR) {
00693 x = (timeval.tv_sec / HOUR);
00694 timeval.tv_sec -= (x * HOUR);
00695 ast_str_append(&out, 0, "%d hour%s%s ", x, ESS(x),NEEDCOMMA(timeval.tv_sec));
00696 }
00697 if (timeval.tv_sec > MINUTE) {
00698 x = (timeval.tv_sec / MINUTE);
00699 timeval.tv_sec -= (x * MINUTE);
00700 ast_str_append(&out, 0, "%d minute%s%s ", x, ESS(x),NEEDCOMMA(timeval.tv_sec));
00701 }
00702 x = timeval.tv_sec;
00703 if (x > 0 || ast_str_strlen(out) == 0)
00704 ast_str_append(&out, 0, "%d second%s ", x, ESS(x));
00705 ast_cli(fd, "%s: %s\n", prefix, ast_str_buffer(out));
00706 }
00707
00708 static struct ast_cli_entry *cli_next(struct ast_cli_entry *e)
00709 {
00710 if (e) {
00711 return AST_LIST_NEXT(e, list);
00712 } else {
00713 return AST_LIST_FIRST(&helpers);
00714 }
00715 }
00716
00717 static char * handle_showuptime(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
00718 {
00719 struct timeval curtime = ast_tvnow();
00720 int printsec;
00721
00722 switch (cmd) {
00723 case CLI_INIT:
00724 e->command = "core show uptime [seconds]";
00725 e->usage =
00726 "Usage: core show uptime [seconds]\n"
00727 " Shows Asterisk uptime information.\n"
00728 " The seconds word returns the uptime in seconds only.\n";
00729 return NULL;
00730
00731 case CLI_GENERATE:
00732 return NULL;
00733 }
00734
00735 if (a->argc == e->args && !strcasecmp(a->argv[e->args-1],"seconds"))
00736 printsec = 1;
00737 else if (a->argc == e->args-1)
00738 printsec = 0;
00739 else
00740 return CLI_SHOWUSAGE;
00741 if (ast_startuptime.tv_sec)
00742 print_uptimestr(a->fd, ast_tvsub(curtime, ast_startuptime), "System uptime", printsec);
00743 if (ast_lastreloadtime.tv_sec)
00744 print_uptimestr(a->fd, ast_tvsub(curtime, ast_lastreloadtime), "Last reload", printsec);
00745 return CLI_SUCCESS;
00746 }
00747
00748 static char *handle_modlist(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
00749 {
00750 const char *like;
00751
00752 switch (cmd) {
00753 case CLI_INIT:
00754 e->command = "module show [like]";
00755 e->usage =
00756 "Usage: module show [like keyword]\n"
00757 " Shows Asterisk modules currently in use, and usage statistics.\n";
00758 return NULL;
00759
00760 case CLI_GENERATE:
00761 if (a->pos == e->args)
00762 return ast_module_helper(a->line, a->word, a->pos, a->n, a->pos, 0);
00763 else
00764 return NULL;
00765 }
00766
00767
00768
00769 if (a->argc == e->args - 1)
00770 like = "";
00771 else if (a->argc == e->args + 1 && !strcasecmp(a->argv[e->args-1], "like") )
00772 like = a->argv[e->args];
00773 else
00774 return CLI_SHOWUSAGE;
00775
00776 ast_mutex_lock(&climodentrylock);
00777 climodentryfd = a->fd;
00778 ast_cli(a->fd, MODLIST_FORMAT2, "Module", "Description", "Use Count");
00779 ast_cli(a->fd,"%d modules loaded\n", ast_update_module_list(modlist_modentry, like));
00780 climodentryfd = -1;
00781 ast_mutex_unlock(&climodentrylock);
00782 return CLI_SUCCESS;
00783 }
00784 #undef MODLIST_FORMAT
00785 #undef MODLIST_FORMAT2
00786
00787 static char *handle_showcalls(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
00788 {
00789 struct timeval curtime = ast_tvnow();
00790 int showuptime, printsec;
00791
00792 switch (cmd) {
00793 case CLI_INIT:
00794 e->command = "core show calls [uptime]";
00795 e->usage =
00796 "Usage: core show calls [uptime] [seconds]\n"
00797 " Lists number of currently active calls and total number of calls\n"
00798 " processed through PBX since last restart. If 'uptime' is specified\n"
00799 " the system uptime is also displayed. If 'seconds' is specified in\n"
00800 " addition to 'uptime', the system uptime is displayed in seconds.\n";
00801 return NULL;
00802
00803 case CLI_GENERATE:
00804 if (a->pos != e->args)
00805 return NULL;
00806 return a->n == 0 ? ast_strdup("seconds") : NULL;
00807 }
00808
00809
00810 if (a->argc >= e->args && !strcasecmp(a->argv[e->args-1],"uptime")) {
00811 showuptime = 1;
00812
00813 if (a->argc == e->args+1 && !strcasecmp(a->argv[e->args],"seconds"))
00814 printsec = 1;
00815 else if (a->argc == e->args)
00816 printsec = 0;
00817 else
00818 return CLI_SHOWUSAGE;
00819 } else if (a->argc == e->args-1) {
00820 showuptime = 0;
00821 printsec = 0;
00822 } else
00823 return CLI_SHOWUSAGE;
00824
00825 if (option_maxcalls) {
00826 ast_cli(a->fd, "%d of %d max active call%s (%5.2f%% of capacity)\n",
00827 ast_active_calls(), option_maxcalls, ESS(ast_active_calls()),
00828 ((double)ast_active_calls() / (double)option_maxcalls) * 100.0);
00829 } else {
00830 ast_cli(a->fd, "%d active call%s\n", ast_active_calls(), ESS(ast_active_calls()));
00831 }
00832
00833 ast_cli(a->fd, "%d call%s processed\n", ast_processed_calls(), ESS(ast_processed_calls()));
00834
00835 if (ast_startuptime.tv_sec && showuptime) {
00836 print_uptimestr(a->fd, ast_tvsub(curtime, ast_startuptime), "System uptime", printsec);
00837 }
00838
00839 return RESULT_SUCCESS;
00840 }
00841
00842 static char *handle_chanlist(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
00843 {
00844 #define FORMAT_STRING "%-20.20s %-20.20s %-7.7s %-30.30s\n"
00845 #define FORMAT_STRING2 "%-20.20s %-20.20s %-7.7s %-30.30s\n"
00846 #define CONCISE_FORMAT_STRING "%s!%s!%s!%d!%s!%s!%s!%s!%s!%s!%d!%s!%s!%s\n"
00847 #define VERBOSE_FORMAT_STRING "%-20.20s %-20.20s %-16.16s %4d %-7.7s %-12.12s %-25.25s %-15.15s %8.8s %-11.11s %-11.11s %-20.20s\n"
00848 #define VERBOSE_FORMAT_STRING2 "%-20.20s %-20.20s %-16.16s %-4.4s %-7.7s %-12.12s %-25.25s %-15.15s %8.8s %-11.11s %-11.11s %-20.20s\n"
00849
00850 struct ast_channel *c = NULL;
00851 int numchans = 0, concise = 0, verbose = 0, count = 0;
00852 struct ast_channel_iterator *iter = NULL;
00853
00854 switch (cmd) {
00855 case CLI_INIT:
00856 e->command = "core show channels [concise|verbose|count]";
00857 e->usage =
00858 "Usage: core show channels [concise|verbose|count]\n"
00859 " Lists currently defined channels and some information about them. If\n"
00860 " 'concise' is specified, the format is abridged and in a more easily\n"
00861 " machine parsable format. If 'verbose' is specified, the output includes\n"
00862 " more and longer fields. If 'count' is specified only the channel and call\n"
00863 " count is output.\n"
00864 " The 'concise' option is deprecated and will be removed from future versions\n"
00865 " of Asterisk.\n";
00866 return NULL;
00867
00868 case CLI_GENERATE:
00869 return NULL;
00870 }
00871
00872 if (a->argc == e->args) {
00873 if (!strcasecmp(a->argv[e->args-1],"concise"))
00874 concise = 1;
00875 else if (!strcasecmp(a->argv[e->args-1],"verbose"))
00876 verbose = 1;
00877 else if (!strcasecmp(a->argv[e->args-1],"count"))
00878 count = 1;
00879 else
00880 return CLI_SHOWUSAGE;
00881 } else if (a->argc != e->args - 1)
00882 return CLI_SHOWUSAGE;
00883
00884 if (!count) {
00885 if (!concise && !verbose)
00886 ast_cli(a->fd, FORMAT_STRING2, "Channel", "Location", "State", "Application(Data)");
00887 else if (verbose)
00888 ast_cli(a->fd, VERBOSE_FORMAT_STRING2, "Channel", "Context", "Extension", "Priority", "State", "Application", "Data",
00889 "CallerID", "Duration", "Accountcode", "PeerAccount", "BridgedTo");
00890 }
00891
00892 if (!count && !(iter = ast_channel_iterator_all_new())) {
00893 return CLI_FAILURE;
00894 }
00895
00896 for (; iter && (c = ast_channel_iterator_next(iter)); ast_channel_unref(c)) {
00897 struct ast_channel *bc;
00898 char durbuf[10] = "-";
00899
00900 ast_channel_lock(c);
00901
00902 bc = ast_bridged_channel(c);
00903
00904 if (!count) {
00905 if ((concise || verbose) && c->cdr && !ast_tvzero(c->cdr->start)) {
00906 int duration = (int)(ast_tvdiff_ms(ast_tvnow(), c->cdr->start) / 1000);
00907 if (verbose) {
00908 int durh = duration / 3600;
00909 int durm = (duration % 3600) / 60;
00910 int durs = duration % 60;
00911 snprintf(durbuf, sizeof(durbuf), "%02d:%02d:%02d", durh, durm, durs);
00912 } else {
00913 snprintf(durbuf, sizeof(durbuf), "%d", duration);
00914 }
00915 }
00916 if (concise) {
00917 ast_cli(a->fd, CONCISE_FORMAT_STRING, c->name, c->context, c->exten, c->priority, ast_state2str(c->_state),
00918 c->appl ? c->appl : "(None)",
00919 S_OR(c->data, ""),
00920 S_COR(c->caller.id.number.valid, c->caller.id.number.str, ""),
00921 S_OR(c->accountcode, ""),
00922 S_OR(c->peeraccount, ""),
00923 c->amaflags,
00924 durbuf,
00925 bc ? bc->name : "(None)",
00926 c->uniqueid);
00927 } else if (verbose) {
00928 ast_cli(a->fd, VERBOSE_FORMAT_STRING, c->name, c->context, c->exten, c->priority, ast_state2str(c->_state),
00929 c->appl ? c->appl : "(None)",
00930 c->data ? S_OR(c->data, "(Empty)" ): "(None)",
00931 S_COR(c->caller.id.number.valid, c->caller.id.number.str, ""),
00932 durbuf,
00933 S_OR(c->accountcode, ""),
00934 S_OR(c->peeraccount, ""),
00935 bc ? bc->name : "(None)");
00936 } else {
00937 char locbuf[40] = "(None)";
00938 char appdata[40] = "(None)";
00939
00940 if (!ast_strlen_zero(c->context) && !ast_strlen_zero(c->exten))
00941 snprintf(locbuf, sizeof(locbuf), "%s@%s:%d", c->exten, c->context, c->priority);
00942 if (c->appl)
00943 snprintf(appdata, sizeof(appdata), "%s(%s)", c->appl, S_OR(c->data, ""));
00944 ast_cli(a->fd, FORMAT_STRING, c->name, locbuf, ast_state2str(c->_state), appdata);
00945 }
00946 }
00947 ast_channel_unlock(c);
00948 }
00949
00950 if (iter) {
00951 ast_channel_iterator_destroy(iter);
00952 }
00953
00954 if (!concise) {
00955 numchans = ast_active_channels();
00956 ast_cli(a->fd, "%d active channel%s\n", numchans, ESS(numchans));
00957 if (option_maxcalls)
00958 ast_cli(a->fd, "%d of %d max active call%s (%5.2f%% of capacity)\n",
00959 ast_active_calls(), option_maxcalls, ESS(ast_active_calls()),
00960 ((double)ast_active_calls() / (double)option_maxcalls) * 100.0);
00961 else
00962 ast_cli(a->fd, "%d active call%s\n", ast_active_calls(), ESS(ast_active_calls()));
00963
00964 ast_cli(a->fd, "%d call%s processed\n", ast_processed_calls(), ESS(ast_processed_calls()));
00965 }
00966
00967 return CLI_SUCCESS;
00968
00969 #undef FORMAT_STRING
00970 #undef FORMAT_STRING2
00971 #undef CONCISE_FORMAT_STRING
00972 #undef VERBOSE_FORMAT_STRING
00973 #undef VERBOSE_FORMAT_STRING2
00974 }
00975
00976 static char *handle_softhangup(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
00977 {
00978 struct ast_channel *c=NULL;
00979
00980 switch (cmd) {
00981 case CLI_INIT:
00982 e->command = "channel request hangup";
00983 e->usage =
00984 "Usage: channel request hangup <channel>|<all>\n"
00985 " Request that a channel be hung up. The hangup takes effect\n"
00986 " the next time the driver reads or writes from the channel.\n"
00987 " If 'all' is specified instead of a channel name, all channels\n"
00988 " will see the hangup request.\n";
00989 return NULL;
00990 case CLI_GENERATE:
00991 return ast_complete_channels(a->line, a->word, a->pos, a->n, e->args);
00992 }
00993
00994 if (a->argc != 4) {
00995 return CLI_SHOWUSAGE;
00996 }
00997
00998 if (!strcasecmp(a->argv[3], "all")) {
00999 struct ast_channel_iterator *iter = NULL;
01000 if (!(iter = ast_channel_iterator_all_new())) {
01001 return CLI_FAILURE;
01002 }
01003 for (; iter && (c = ast_channel_iterator_next(iter)); ast_channel_unref(c)) {
01004 ast_channel_lock(c);
01005 ast_cli(a->fd, "Requested Hangup on channel '%s'\n", c->name);
01006 ast_softhangup(c, AST_SOFTHANGUP_EXPLICIT);
01007 ast_channel_unlock(c);
01008 }
01009 ast_channel_iterator_destroy(iter);
01010 } else if ((c = ast_channel_get_by_name(a->argv[3]))) {
01011 ast_channel_lock(c);
01012 ast_cli(a->fd, "Requested Hangup on channel '%s'\n", c->name);
01013 ast_softhangup(c, AST_SOFTHANGUP_EXPLICIT);
01014 ast_channel_unlock(c);
01015 c = ast_channel_unref(c);
01016 } else {
01017 ast_cli(a->fd, "%s is not a known channel\n", a->argv[3]);
01018 }
01019
01020 return CLI_SUCCESS;
01021 }
01022
01023
01024 static char *handle_cli_show_permissions(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
01025 {
01026 struct usergroup_cli_perm *cp;
01027 struct cli_perm *perm;
01028 struct passwd *pw = NULL;
01029 struct group *gr = NULL;
01030
01031 switch (cmd) {
01032 case CLI_INIT:
01033 e->command = "cli show permissions";
01034 e->usage =
01035 "Usage: cli show permissions\n"
01036 " Shows CLI configured permissions.\n";
01037 return NULL;
01038 case CLI_GENERATE:
01039 return NULL;
01040 }
01041
01042 AST_RWLIST_RDLOCK(&cli_perms);
01043 AST_LIST_TRAVERSE(&cli_perms, cp, list) {
01044 if (cp->uid >= 0) {
01045 pw = getpwuid(cp->uid);
01046 if (pw) {
01047 ast_cli(a->fd, "user: %s [uid=%d]\n", pw->pw_name, cp->uid);
01048 }
01049 } else {
01050 gr = getgrgid(cp->gid);
01051 if (gr) {
01052 ast_cli(a->fd, "group: %s [gid=%d]\n", gr->gr_name, cp->gid);
01053 }
01054 }
01055 ast_cli(a->fd, "Permissions:\n");
01056 if (cp->perms) {
01057 AST_LIST_TRAVERSE(cp->perms, perm, list) {
01058 ast_cli(a->fd, "\t%s -> %s\n", perm->permit ? "permit" : "deny", perm->command);
01059 }
01060 }
01061 ast_cli(a->fd, "\n");
01062 }
01063 AST_RWLIST_UNLOCK(&cli_perms);
01064
01065 return CLI_SUCCESS;
01066 }
01067
01068
01069 static char *handle_cli_reload_permissions(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
01070 {
01071 switch (cmd) {
01072 case CLI_INIT:
01073 e->command = "cli reload permissions";
01074 e->usage =
01075 "Usage: cli reload permissions\n"
01076 " Reload the 'cli_permissions.conf' file.\n";
01077 return NULL;
01078 case CLI_GENERATE:
01079 return NULL;
01080 }
01081
01082 ast_cli_perms_init(1);
01083
01084 return CLI_SUCCESS;
01085 }
01086
01087
01088 static char *handle_cli_check_permissions(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
01089 {
01090 struct passwd *pw = NULL;
01091 struct group *gr;
01092 int gid = -1, uid = -1;
01093 char command[AST_MAX_ARGS] = "";
01094 struct ast_cli_entry *ce = NULL;
01095 int found = 0;
01096 char *group, *tmp;
01097
01098 switch (cmd) {
01099 case CLI_INIT:
01100 e->command = "cli check permissions";
01101 e->usage =
01102 "Usage: cli check permissions {<username>|@<groupname>|<username>@<groupname>} [<command>]\n"
01103 " Check permissions config for a user@group or list the allowed commands for the specified user.\n"
01104 " The username or the groupname may be omitted.\n";
01105 return NULL;
01106 case CLI_GENERATE:
01107 if (a->pos >= 4) {
01108 return ast_cli_generator(a->line + strlen("cli check permissions") + strlen(a->argv[3]) + 1, a->word, a->n);
01109 }
01110 return NULL;
01111 }
01112
01113 if (a->argc < 4) {
01114 return CLI_SHOWUSAGE;
01115 }
01116
01117 tmp = ast_strdupa(a->argv[3]);
01118 group = strchr(tmp, '@');
01119 if (group) {
01120 gr = getgrnam(&group[1]);
01121 if (!gr) {
01122 ast_cli(a->fd, "Unknown group '%s'\n", &group[1]);
01123 return CLI_FAILURE;
01124 }
01125 group[0] = '\0';
01126 gid = gr->gr_gid;
01127 }
01128
01129 if (!group && ast_strlen_zero(tmp)) {
01130 ast_cli(a->fd, "You didn't supply a username\n");
01131 } else if (!ast_strlen_zero(tmp) && !(pw = getpwnam(tmp))) {
01132 ast_cli(a->fd, "Unknown user '%s'\n", tmp);
01133 return CLI_FAILURE;
01134 } else if (pw) {
01135 uid = pw->pw_uid;
01136 }
01137
01138 if (a->argc == 4) {
01139 while ((ce = cli_next(ce))) {
01140
01141 if (ce->_full_cmd[0] == '_') {
01142 continue;
01143 }
01144 if (cli_has_permissions(uid, gid, ce->_full_cmd)) {
01145 ast_cli(a->fd, "%30.30s %s\n", ce->_full_cmd, S_OR(ce->summary, "<no description available>"));
01146 found++;
01147 }
01148 }
01149 if (!found) {
01150 ast_cli(a->fd, "You are not allowed to run any command on Asterisk\n");
01151 }
01152 } else {
01153 ast_join(command, sizeof(command), a->argv + 4);
01154 ast_cli(a->fd, "%s '%s%s%s' is %s to run command: '%s'\n", uid >= 0 ? "User" : "Group", tmp,
01155 group && uid >= 0 ? "@" : "",
01156 group ? &group[1] : "",
01157 cli_has_permissions(uid, gid, command) ? "allowed" : "not allowed", command);
01158 }
01159
01160 return CLI_SUCCESS;
01161 }
01162
01163 static char *__ast_cli_generator(const char *text, const char *word, int state, int lock);
01164
01165 static char *handle_commandmatchesarray(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
01166 {
01167 char *buf, *obuf;
01168 int buflen = 2048;
01169 int len = 0;
01170 char **matches;
01171 int x, matchlen;
01172
01173 switch (cmd) {
01174 case CLI_INIT:
01175 e->command = "_command matchesarray";
01176 e->usage =
01177 "Usage: _command matchesarray \"<line>\" text \n"
01178 " This function is used internally to help with command completion and should.\n"
01179 " never be called by the user directly.\n";
01180 return NULL;
01181 case CLI_GENERATE:
01182 return NULL;
01183 }
01184
01185 if (a->argc != 4)
01186 return CLI_SHOWUSAGE;
01187 if (!(buf = ast_malloc(buflen)))
01188 return CLI_FAILURE;
01189 buf[len] = '\0';
01190 matches = ast_cli_completion_matches(a->argv[2], a->argv[3]);
01191 if (matches) {
01192 for (x=0; matches[x]; x++) {
01193 matchlen = strlen(matches[x]) + 1;
01194 if (len + matchlen >= buflen) {
01195 buflen += matchlen * 3;
01196 obuf = buf;
01197 if (!(buf = ast_realloc(obuf, buflen)))
01198
01199 ast_free(obuf);
01200 }
01201 if (buf)
01202 len += sprintf( buf + len, "%s ", matches[x]);
01203 ast_free(matches[x]);
01204 matches[x] = NULL;
01205 }
01206 ast_free(matches);
01207 }
01208
01209 if (buf) {
01210 ast_cli(a->fd, "%s%s",buf, AST_CLI_COMPLETE_EOF);
01211 ast_free(buf);
01212 } else
01213 ast_cli(a->fd, "NULL\n");
01214
01215 return CLI_SUCCESS;
01216 }
01217
01218
01219
01220 static char *handle_commandnummatches(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
01221 {
01222 int matches = 0;
01223
01224 switch (cmd) {
01225 case CLI_INIT:
01226 e->command = "_command nummatches";
01227 e->usage =
01228 "Usage: _command nummatches \"<line>\" text \n"
01229 " This function is used internally to help with command completion and should.\n"
01230 " never be called by the user directly.\n";
01231 return NULL;
01232 case CLI_GENERATE:
01233 return NULL;
01234 }
01235
01236 if (a->argc != 4)
01237 return CLI_SHOWUSAGE;
01238
01239 matches = ast_cli_generatornummatches(a->argv[2], a->argv[3]);
01240
01241 ast_cli(a->fd, "%d", matches);
01242
01243 return CLI_SUCCESS;
01244 }
01245
01246 static char *handle_commandcomplete(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
01247 {
01248 char *buf;
01249 switch (cmd) {
01250 case CLI_INIT:
01251 e->command = "_command complete";
01252 e->usage =
01253 "Usage: _command complete \"<line>\" text state\n"
01254 " This function is used internally to help with command completion and should.\n"
01255 " never be called by the user directly.\n";
01256 return NULL;
01257 case CLI_GENERATE:
01258 return NULL;
01259 }
01260 if (a->argc != 5)
01261 return CLI_SHOWUSAGE;
01262 buf = __ast_cli_generator(a->argv[2], a->argv[3], atoi(a->argv[4]), 0);
01263 if (buf) {
01264 ast_cli(a->fd, "%s", buf);
01265 ast_free(buf);
01266 } else
01267 ast_cli(a->fd, "NULL\n");
01268 return CLI_SUCCESS;
01269 }
01270
01271 struct channel_set_debug_args {
01272 int fd;
01273 int is_off;
01274 };
01275
01276 static int channel_set_debug(void *obj, void *arg, void *data, int flags)
01277 {
01278 struct ast_channel *chan = obj;
01279 struct channel_set_debug_args *args = data;
01280
01281 ast_channel_lock(chan);
01282
01283 if (!(chan->fin & DEBUGCHAN_FLAG) || !(chan->fout & DEBUGCHAN_FLAG)) {
01284 if (args->is_off) {
01285 chan->fin &= ~DEBUGCHAN_FLAG;
01286 chan->fout &= ~DEBUGCHAN_FLAG;
01287 } else {
01288 chan->fin |= DEBUGCHAN_FLAG;
01289 chan->fout |= DEBUGCHAN_FLAG;
01290 }
01291 ast_cli(args->fd, "Debugging %s on channel %s\n", args->is_off ? "disabled" : "enabled",
01292 chan->name);
01293 }
01294
01295 ast_channel_unlock(chan);
01296
01297 return 0;
01298 }
01299
01300 static char *handle_core_set_debug_channel(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
01301 {
01302 struct ast_channel *c = NULL;
01303 struct channel_set_debug_args args = {
01304 .fd = a->fd,
01305 };
01306
01307 switch (cmd) {
01308 case CLI_INIT:
01309 e->command = "core set debug channel";
01310 e->usage =
01311 "Usage: core set debug channel <all|channel> [off]\n"
01312 " Enables/disables debugging on all or on a specific channel.\n";
01313 return NULL;
01314 case CLI_GENERATE:
01315
01316 if (a->pos != e->args)
01317 return NULL;
01318 return a->n == 0 ? ast_strdup("all") : ast_complete_channels(a->line, a->word, a->pos, a->n - 1, e->args);
01319 }
01320
01321 if (cmd == (CLI_HANDLER + 1000)) {
01322
01323 args.is_off = 1;
01324 } else if (a->argc == e->args + 2) {
01325
01326 if (!strcasecmp(a->argv[e->args + 1], "off"))
01327 args.is_off = 1;
01328 else
01329 return CLI_SHOWUSAGE;
01330 } else if (a->argc != e->args + 1) {
01331 return CLI_SHOWUSAGE;
01332 }
01333
01334 if (!strcasecmp("all", a->argv[e->args])) {
01335 if (args.is_off) {
01336 global_fin &= ~DEBUGCHAN_FLAG;
01337 global_fout &= ~DEBUGCHAN_FLAG;
01338 } else {
01339 global_fin |= DEBUGCHAN_FLAG;
01340 global_fout |= DEBUGCHAN_FLAG;
01341 }
01342 ast_channel_callback(channel_set_debug, NULL, &args, OBJ_NODATA | OBJ_MULTIPLE);
01343 } else {
01344 if ((c = ast_channel_get_by_name(a->argv[e->args]))) {
01345 channel_set_debug(c, NULL, &args, 0);
01346 ast_channel_unref(c);
01347 } else {
01348 ast_cli(a->fd, "No such channel %s\n", a->argv[e->args]);
01349 }
01350 }
01351
01352 ast_cli(a->fd, "Debugging on new channels is %s\n", args.is_off ? "disabled" : "enabled");
01353
01354 return CLI_SUCCESS;
01355 }
01356
01357 static char *handle_nodebugchan_deprecated(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
01358 {
01359 char *res;
01360
01361 switch (cmd) {
01362 case CLI_INIT:
01363 e->command = "no debug channel";
01364 return NULL;
01365 case CLI_HANDLER:
01366
01367 break;
01368 default:
01369 return NULL;
01370 }
01371
01372 if (a->argc != e->args + 1)
01373 return CLI_SHOWUSAGE;
01374
01375
01376
01377
01378
01379 res = handle_core_set_debug_channel(e, CLI_HANDLER + 1000, a);
01380
01381 return res;
01382 }
01383
01384 static char *handle_showchan(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
01385 {
01386 struct ast_channel *c=NULL;
01387 struct timeval now;
01388 struct ast_str *out = ast_str_thread_get(&ast_str_thread_global_buf, 16);
01389 char cdrtime[256];
01390 char nf[256], wf[256], rf[256];
01391 struct ast_str *write_transpath = ast_str_alloca(256);
01392 struct ast_str *read_transpath = ast_str_alloca(256);
01393 long elapsed_seconds=0;
01394 int hour=0, min=0, sec=0;
01395 #ifdef CHANNEL_TRACE
01396 int trace_enabled;
01397 #endif
01398
01399 switch (cmd) {
01400 case CLI_INIT:
01401 e->command = "core show channel";
01402 e->usage =
01403 "Usage: core show channel <channel>\n"
01404 " Shows lots of information about the specified channel.\n";
01405 return NULL;
01406 case CLI_GENERATE:
01407 return ast_complete_channels(a->line, a->word, a->pos, a->n, 3);
01408 }
01409
01410 if (a->argc != 4) {
01411 return CLI_SHOWUSAGE;
01412 }
01413
01414 now = ast_tvnow();
01415
01416 if (!(c = ast_channel_get_by_name(a->argv[3]))) {
01417 ast_cli(a->fd, "%s is not a known channel\n", a->argv[3]);
01418 return CLI_SUCCESS;
01419 }
01420
01421 ast_channel_lock(c);
01422
01423 if (c->cdr) {
01424 elapsed_seconds = now.tv_sec - c->cdr->start.tv_sec;
01425 hour = elapsed_seconds / 3600;
01426 min = (elapsed_seconds % 3600) / 60;
01427 sec = elapsed_seconds % 60;
01428 snprintf(cdrtime, sizeof(cdrtime), "%dh%dm%ds", hour, min, sec);
01429 } else {
01430 strcpy(cdrtime, "N/A");
01431 }
01432
01433 ast_cli(a->fd,
01434 " -- General --\n"
01435 " Name: %s\n"
01436 " Type: %s\n"
01437 " UniqueID: %s\n"
01438 " LinkedID: %s\n"
01439 " Caller ID: %s\n"
01440 " Caller ID Name: %s\n"
01441 " DNID Digits: %s\n"
01442 " Language: %s\n"
01443 " State: %s (%d)\n"
01444 " Rings: %d\n"
01445 " NativeFormats: %s\n"
01446 " WriteFormat: %s\n"
01447 " ReadFormat: %s\n"
01448 " WriteTranscode: %s %s\n"
01449 " ReadTranscode: %s %s\n"
01450 "1st File Descriptor: %d\n"
01451 " Frames in: %d%s\n"
01452 " Frames out: %d%s\n"
01453 " Time to Hangup: %ld\n"
01454 " Elapsed Time: %s\n"
01455 " Direct Bridge: %s\n"
01456 "Indirect Bridge: %s\n"
01457 " -- PBX --\n"
01458 " Context: %s\n"
01459 " Extension: %s\n"
01460 " Priority: %d\n"
01461 " Call Group: %llu\n"
01462 " Pickup Group: %llu\n"
01463 " Application: %s\n"
01464 " Data: %s\n"
01465 " Blocking in: %s\n",
01466 c->name, c->tech->type, c->uniqueid, c->linkedid,
01467 S_COR(c->caller.id.number.valid, c->caller.id.number.str, "(N/A)"),
01468 S_COR(c->caller.id.name.valid, c->caller.id.name.str, "(N/A)"),
01469 S_OR(c->dialed.number.str, "(N/A)"),
01470 c->language,
01471 ast_state2str(c->_state), c->_state, c->rings,
01472 ast_getformatname_multiple(nf, sizeof(nf), c->nativeformats),
01473 ast_getformatname_multiple(wf, sizeof(wf), c->writeformat),
01474 ast_getformatname_multiple(rf, sizeof(rf), c->readformat),
01475 c->writetrans ? "Yes" : "No",
01476 ast_translate_path_to_str(c->writetrans, &write_transpath),
01477 c->readtrans ? "Yes" : "No",
01478 ast_translate_path_to_str(c->readtrans, &read_transpath),
01479 c->fds[0],
01480 c->fin & ~DEBUGCHAN_FLAG, (c->fin & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
01481 c->fout & ~DEBUGCHAN_FLAG, (c->fout & DEBUGCHAN_FLAG) ? " (DEBUGGED)" : "",
01482 (long)c->whentohangup.tv_sec,
01483 cdrtime, c->_bridge ? c->_bridge->name : "<none>", ast_bridged_channel(c) ? ast_bridged_channel(c)->name : "<none>",
01484 c->context, c->exten, c->priority, c->callgroup, c->pickupgroup, ( c->appl ? c->appl : "(N/A)" ),
01485 ( c-> data ? S_OR(c->data, "(Empty)") : "(None)"),
01486 (ast_test_flag(c, AST_FLAG_BLOCKING) ? c->blockproc : "(Not Blocking)"));
01487
01488 if (pbx_builtin_serialize_variables(c, &out)) {
01489 ast_cli(a->fd," Variables:\n%s\n", ast_str_buffer(out));
01490 }
01491
01492 if (c->cdr && ast_cdr_serialize_variables(c->cdr, &out, '=', '\n', 1)) {
01493 ast_cli(a->fd," CDR Variables:\n%s\n", ast_str_buffer(out));
01494 }
01495
01496 #ifdef CHANNEL_TRACE
01497 trace_enabled = ast_channel_trace_is_enabled(c);
01498 ast_cli(a->fd, " Context Trace: %s\n", trace_enabled ? "Enabled" : "Disabled");
01499 if (trace_enabled && ast_channel_trace_serialize(c, &out))
01500 ast_cli(a->fd, " Trace:\n%s\n", ast_str_buffer(out));
01501 #endif
01502
01503 ast_channel_unlock(c);
01504 c = ast_channel_unref(c);
01505
01506 return CLI_SUCCESS;
01507 }
01508
01509
01510
01511
01512
01513 char *ast_cli_complete(const char *word, const char * const choices[], int state)
01514 {
01515 int i, which = 0, len;
01516 len = ast_strlen_zero(word) ? 0 : strlen(word);
01517
01518 for (i = 0; choices[i]; i++) {
01519 if ((!len || !strncasecmp(word, choices[i], len)) && ++which > state)
01520 return ast_strdup(choices[i]);
01521 }
01522 return NULL;
01523 }
01524
01525 char *ast_complete_channels(const char *line, const char *word, int pos, int state, int rpos)
01526 {
01527 struct ast_channel *c = NULL;
01528 int which = 0;
01529 char notfound = '\0';
01530 char *ret = ¬found;
01531 struct ast_channel_iterator *iter;
01532
01533 if (pos != rpos) {
01534 return NULL;
01535 }
01536
01537 if (ast_strlen_zero(word)) {
01538 iter = ast_channel_iterator_all_new();
01539 } else {
01540 iter = ast_channel_iterator_by_name_new(word, strlen(word));
01541 }
01542
01543 if (!iter) {
01544 return NULL;
01545 }
01546
01547 while (ret == ¬found && (c = ast_channel_iterator_next(iter))) {
01548 if (++which > state) {
01549 ast_channel_lock(c);
01550 ret = ast_strdup(c->name);
01551 ast_channel_unlock(c);
01552 }
01553 ast_channel_unref(c);
01554 }
01555
01556 ast_channel_iterator_destroy(iter);
01557
01558 return ret == ¬found ? NULL : ret;
01559 }
01560
01561 static char *group_show_channels(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
01562 {
01563 #define FORMAT_STRING "%-25s %-20s %-20s\n"
01564
01565 struct ast_group_info *gi = NULL;
01566 int numchans = 0;
01567 regex_t regexbuf;
01568 int havepattern = 0;
01569
01570 switch (cmd) {
01571 case CLI_INIT:
01572 e->command = "group show channels";
01573 e->usage =
01574 "Usage: group show channels [pattern]\n"
01575 " Lists all currently active channels with channel group(s) specified.\n"
01576 " Optional regular expression pattern is matched to group names for each\n"
01577 " channel.\n";
01578 return NULL;
01579 case CLI_GENERATE:
01580 return NULL;
01581 }
01582
01583 if (a->argc < 3 || a->argc > 4)
01584 return CLI_SHOWUSAGE;
01585
01586 if (a->argc == 4) {
01587 if (regcomp(®exbuf, a->argv[3], REG_EXTENDED | REG_NOSUB))
01588 return CLI_SHOWUSAGE;
01589 havepattern = 1;
01590 }
01591
01592 ast_cli(a->fd, FORMAT_STRING, "Channel", "Group", "Category");
01593
01594 ast_app_group_list_rdlock();
01595
01596 gi = ast_app_group_list_head();
01597 while (gi) {
01598 if (!havepattern || !regexec(®exbuf, gi->group, 0, NULL, 0)) {
01599 ast_cli(a->fd, FORMAT_STRING, gi->chan->name, gi->group, (ast_strlen_zero(gi->category) ? "(default)" : gi->category));
01600 numchans++;
01601 }
01602 gi = AST_LIST_NEXT(gi, group_list);
01603 }
01604
01605 ast_app_group_list_unlock();
01606
01607 if (havepattern)
01608 regfree(®exbuf);
01609
01610 ast_cli(a->fd, "%d active channel%s\n", numchans, ESS(numchans));
01611 return CLI_SUCCESS;
01612 #undef FORMAT_STRING
01613 }
01614
01615 static char *handle_cli_wait_fullybooted(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
01616 {
01617 switch (cmd) {
01618 case CLI_INIT:
01619 e->command = "core waitfullybooted";
01620 e->usage =
01621 "Usage: core waitfullybooted\n"
01622 " Wait until Asterisk has fully booted.\n";
01623 return NULL;
01624 case CLI_GENERATE:
01625 return NULL;
01626 }
01627
01628 while (!ast_test_flag(&ast_options, AST_OPT_FLAG_FULLY_BOOTED)) {
01629 usleep(100);
01630 }
01631
01632 ast_cli(a->fd, "Asterisk has fully booted.\n");
01633
01634 return CLI_SUCCESS;
01635 }
01636
01637 static char *handle_help(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
01638
01639 static struct ast_cli_entry cli_cli[] = {
01640
01641 AST_CLI_DEFINE(handle_commandcomplete, "Command complete"),
01642 AST_CLI_DEFINE(handle_commandnummatches, "Returns number of command matches"),
01643 AST_CLI_DEFINE(handle_commandmatchesarray, "Returns command matches array"),
01644
01645 AST_CLI_DEFINE(handle_nodebugchan_deprecated, "Disable debugging on channel(s)"),
01646
01647 AST_CLI_DEFINE(handle_chanlist, "Display information on channels"),
01648
01649 AST_CLI_DEFINE(handle_showcalls, "Display information on calls"),
01650
01651 AST_CLI_DEFINE(handle_showchan, "Display information on a specific channel"),
01652
01653 AST_CLI_DEFINE(handle_core_set_debug_channel, "Enable/disable debugging on a channel"),
01654
01655 AST_CLI_DEFINE(handle_verbose, "Set level of debug/verbose chattiness"),
01656
01657 AST_CLI_DEFINE(group_show_channels, "Display active channels with group(s)"),
01658
01659 AST_CLI_DEFINE(handle_help, "Display help list, or specific help on a command"),
01660
01661 AST_CLI_DEFINE(handle_logger_mute, "Toggle logging output to a console"),
01662
01663 AST_CLI_DEFINE(handle_modlist, "List modules and info"),
01664
01665 AST_CLI_DEFINE(handle_load, "Load a module by name"),
01666
01667 AST_CLI_DEFINE(handle_reload, "Reload configuration for a module"),
01668
01669 AST_CLI_DEFINE(handle_core_reload, "Global reload"),
01670
01671 AST_CLI_DEFINE(handle_unload, "Unload a module by name"),
01672
01673 AST_CLI_DEFINE(handle_showuptime, "Show uptime information"),
01674
01675 AST_CLI_DEFINE(handle_softhangup, "Request a hangup on a given channel"),
01676
01677 AST_CLI_DEFINE(handle_cli_reload_permissions, "Reload CLI permissions config"),
01678
01679 AST_CLI_DEFINE(handle_cli_show_permissions, "Show CLI permissions"),
01680
01681 AST_CLI_DEFINE(handle_cli_check_permissions, "Try a permissions config for a user"),
01682
01683 AST_CLI_DEFINE(handle_cli_wait_fullybooted, "Wait for Asterisk to be fully booted"),
01684 };
01685
01686
01687
01688
01689 static const char cli_rsvd[] = "[]{}|*%";
01690
01691
01692
01693
01694
01695 static int set_full_cmd(struct ast_cli_entry *e)
01696 {
01697 int i;
01698 char buf[80];
01699
01700 ast_join(buf, sizeof(buf), e->cmda);
01701 e->_full_cmd = ast_strdup(buf);
01702 if (!e->_full_cmd) {
01703 ast_log(LOG_WARNING, "-- cannot allocate <%s>\n", buf);
01704 return -1;
01705 }
01706 e->cmdlen = strcspn(e->_full_cmd, cli_rsvd);
01707 for (i = 0; e->cmda[i]; i++)
01708 ;
01709 e->args = i;
01710 return 0;
01711 }
01712
01713
01714 static void destroy_user_perms(void)
01715 {
01716 struct cli_perm *perm;
01717 struct usergroup_cli_perm *user_perm;
01718
01719 AST_RWLIST_WRLOCK(&cli_perms);
01720 while ((user_perm = AST_LIST_REMOVE_HEAD(&cli_perms, list))) {
01721 while ((perm = AST_LIST_REMOVE_HEAD(user_perm->perms, list))) {
01722 ast_free(perm->command);
01723 ast_free(perm);
01724 }
01725 ast_free(user_perm);
01726 }
01727 AST_RWLIST_UNLOCK(&cli_perms);
01728 }
01729
01730 int ast_cli_perms_init(int reload)
01731 {
01732 struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
01733 struct ast_config *cfg;
01734 char *cat = NULL;
01735 struct ast_variable *v;
01736 struct usergroup_cli_perm *user_group, *cp_entry;
01737 struct cli_perm *perm = NULL;
01738 struct passwd *pw;
01739 struct group *gr;
01740
01741 if (ast_mutex_trylock(&permsconfiglock)) {
01742 ast_log(LOG_NOTICE, "You must wait until last 'cli reload permissions' command finish\n");
01743 return 1;
01744 }
01745
01746 cfg = ast_config_load2(perms_config, "" , config_flags);
01747 if (!cfg) {
01748 ast_mutex_unlock(&permsconfiglock);
01749 return 1;
01750 } else if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
01751 ast_mutex_unlock(&permsconfiglock);
01752 return 0;
01753 }
01754
01755
01756 destroy_user_perms();
01757
01758 while ((cat = ast_category_browse(cfg, cat))) {
01759 if (!strcasecmp(cat, "general")) {
01760
01761 for (v = ast_variable_browse(cfg, cat); v; v = v->next) {
01762 if (!strcasecmp(v->name, "default_perm")) {
01763 cli_default_perm = (!strcasecmp(v->value, "permit")) ? 1: 0;
01764 }
01765 }
01766 continue;
01767 }
01768
01769
01770 gr = NULL, pw = NULL;
01771 if (cat[0] == '@') {
01772
01773 gr = getgrnam(&cat[1]);
01774 if (!gr) {
01775 ast_log (LOG_WARNING, "Unknown group '%s'\n", &cat[1]);
01776 continue;
01777 }
01778 } else {
01779
01780 pw = getpwnam(cat);
01781 if (!pw) {
01782 ast_log (LOG_WARNING, "Unknown user '%s'\n", cat);
01783 continue;
01784 }
01785 }
01786 user_group = NULL;
01787
01788 AST_RWLIST_WRLOCK(&cli_perms);
01789 AST_LIST_TRAVERSE(&cli_perms, cp_entry, list) {
01790 if ((pw && cp_entry->uid == pw->pw_uid) || (gr && cp_entry->gid == gr->gr_gid)) {
01791
01792
01793 user_group = cp_entry;
01794 break;
01795 }
01796 }
01797 AST_RWLIST_UNLOCK(&cli_perms);
01798
01799 if (!user_group) {
01800
01801 user_group = ast_calloc(1, sizeof(*user_group));
01802 if (!user_group) {
01803 continue;
01804 }
01805 user_group->uid = (pw ? pw->pw_uid : -1);
01806 user_group->gid = (gr ? gr->gr_gid : -1);
01807 user_group->perms = ast_calloc(1, sizeof(*user_group->perms));
01808 if (!user_group->perms) {
01809 ast_free(user_group);
01810 continue;
01811 }
01812 }
01813 for (v = ast_variable_browse(cfg, cat); v; v = v->next) {
01814 if (ast_strlen_zero(v->value)) {
01815
01816 ast_log(LOG_WARNING, "Empty permit/deny option in user '%s'\n", cat);
01817 continue;
01818 }
01819 if (!strcasecmp(v->name, "permit")) {
01820 perm = ast_calloc(1, sizeof(*perm));
01821 if (perm) {
01822 perm->permit = 1;
01823 perm->command = ast_strdup(v->value);
01824 }
01825 } else if (!strcasecmp(v->name, "deny")) {
01826 perm = ast_calloc(1, sizeof(*perm));
01827 if (perm) {
01828 perm->permit = 0;
01829 perm->command = ast_strdup(v->value);
01830 }
01831 } else {
01832
01833 ast_log(LOG_WARNING, "Unknown '%s' option\n", v->name);
01834 continue;
01835 }
01836 if (perm) {
01837
01838 AST_LIST_INSERT_TAIL(user_group->perms, perm, list);
01839 perm = NULL;
01840 }
01841 }
01842 AST_RWLIST_WRLOCK(&cli_perms);
01843 AST_RWLIST_INSERT_TAIL(&cli_perms, user_group, list);
01844 AST_RWLIST_UNLOCK(&cli_perms);
01845 }
01846
01847 ast_config_destroy(cfg);
01848 ast_mutex_unlock(&permsconfiglock);
01849 return 0;
01850 }
01851
01852
01853 void ast_builtins_init(void)
01854 {
01855 ast_cli_register_multiple(cli_cli, ARRAY_LEN(cli_cli));
01856 }
01857
01858
01859
01860
01861
01862
01863
01864
01865
01866
01867
01868
01869 static int word_match(const char *cmd, const char *cli_word)
01870 {
01871 int l;
01872 char *pos;
01873
01874 if (ast_strlen_zero(cmd) || ast_strlen_zero(cli_word))
01875 return -1;
01876 if (!strchr(cli_rsvd, cli_word[0]))
01877 return (strcasecmp(cmd, cli_word) == 0) ? 1 : -1;
01878
01879 l = strlen(cmd);
01880
01881 if (l > 0 && cli_word[0] == '%') {
01882 return 1;
01883 }
01884 pos = strcasestr(cli_word, cmd);
01885 if (pos == NULL)
01886 return cli_word[0] == '[' ? 0 : -1;
01887 if (pos == cli_word)
01888 return -1;
01889 if (strchr(cli_rsvd, pos[-1]) && strchr(cli_rsvd, pos[l]))
01890 return 1;
01891 return -1;
01892 }
01893
01894
01895
01896
01897
01898 static char *is_prefix(const char *word, const char *token,
01899 int pos, int *actual)
01900 {
01901 int lw;
01902 char *s, *t1;
01903
01904 *actual = 0;
01905 if (ast_strlen_zero(token))
01906 return NULL;
01907 if (ast_strlen_zero(word))
01908 word = "";
01909 lw = strlen(word);
01910 if (strcspn(word, cli_rsvd) != lw)
01911 return NULL;
01912 if (strchr(cli_rsvd, token[0]) == NULL) {
01913 if (strncasecmp(token, word, lw))
01914 return NULL;
01915 *actual = 1;
01916 return (pos != 0) ? NULL : ast_strdup(token);
01917 }
01918
01919
01920
01921
01922 t1 = ast_strdupa(token + 1);
01923 while (pos >= 0 && (s = strsep(&t1, cli_rsvd)) && *s) {
01924 if (*s == '%')
01925 continue;
01926 if (strncasecmp(s, word, lw))
01927 continue;
01928 (*actual)++;
01929 if (pos-- == 0)
01930 return ast_strdup(s);
01931 }
01932 return NULL;
01933 }
01934
01935
01936
01937
01938
01939
01940
01941
01942
01943
01944
01945
01946
01947
01948 static struct ast_cli_entry *find_cli(const char * const cmds[], int match_type)
01949 {
01950 int matchlen = -1;
01951 struct ast_cli_entry *cand = NULL, *e=NULL;
01952
01953 while ( (e = cli_next(e)) ) {
01954
01955 const char * const *src = cmds;
01956 const char * const *dst = e->cmda;
01957 int n = 0;
01958 for (;; dst++, src += n) {
01959 n = word_match(*src, *dst);
01960 if (n < 0)
01961 break;
01962 }
01963 if (ast_strlen_zero(*dst) || ((*dst)[0] == '[' && ast_strlen_zero(dst[1]))) {
01964
01965 if (ast_strlen_zero(*src))
01966 break;
01967
01968 if (match_type != 0)
01969 continue;
01970
01971 } else {
01972 if (ast_strlen_zero(*src))
01973 continue;
01974
01975
01976
01977
01978 if (match_type != -1 || !ast_strlen_zero(src[1]) ||
01979 !ast_strlen_zero(dst[1]))
01980 continue;
01981
01982 }
01983 if (src - cmds > matchlen) {
01984 matchlen = src - cmds;
01985 cand = e;
01986 }
01987 }
01988
01989 return e ? e : cand;
01990 }
01991
01992 static char *find_best(const char *argv[])
01993 {
01994 static char cmdline[80];
01995 int x;
01996
01997 const char *myargv[AST_MAX_CMD_LEN] = { NULL, };
01998
01999 AST_RWLIST_RDLOCK(&helpers);
02000 for (x = 0; argv[x]; x++) {
02001 myargv[x] = argv[x];
02002 if (!find_cli(myargv, -1))
02003 break;
02004 }
02005 AST_RWLIST_UNLOCK(&helpers);
02006 ast_join(cmdline, sizeof(cmdline), myargv);
02007 return cmdline;
02008 }
02009
02010 static int __ast_cli_unregister(struct ast_cli_entry *e, struct ast_cli_entry *ed)
02011 {
02012 if (e->inuse) {
02013 ast_log(LOG_WARNING, "Can't remove command that is in use\n");
02014 } else {
02015 AST_RWLIST_WRLOCK(&helpers);
02016 AST_RWLIST_REMOVE(&helpers, e, list);
02017 AST_RWLIST_UNLOCK(&helpers);
02018 ast_free(e->_full_cmd);
02019 e->_full_cmd = NULL;
02020 if (e->handler) {
02021
02022 char *cmda = (char *) e->cmda;
02023 memset(cmda, '\0', sizeof(e->cmda));
02024 ast_free(e->command);
02025 e->command = NULL;
02026 e->usage = NULL;
02027 }
02028 }
02029 return 0;
02030 }
02031
02032 static int __ast_cli_register(struct ast_cli_entry *e, struct ast_cli_entry *ed)
02033 {
02034 struct ast_cli_entry *cur;
02035 int i, lf, ret = -1;
02036
02037 struct ast_cli_args a;
02038 char **dst = (char **)e->cmda;
02039 char *s;
02040
02041 memset(&a, '\0', sizeof(a));
02042 e->handler(e, CLI_INIT, &a);
02043
02044 s = ast_skip_blanks(e->command);
02045 s = e->command = ast_strdup(s);
02046 for (i=0; !ast_strlen_zero(s) && i < AST_MAX_CMD_LEN-1; i++) {
02047 *dst++ = s;
02048 s = ast_skip_nonblanks(s);
02049 if (*s == '\0')
02050 break;
02051 *s++ = '\0';
02052 s = ast_skip_blanks(s);
02053 }
02054 *dst++ = NULL;
02055
02056 AST_RWLIST_WRLOCK(&helpers);
02057
02058 if (find_cli(e->cmda, 1)) {
02059 ast_log(LOG_WARNING, "Command '%s' already registered (or something close enough)\n", S_OR(e->_full_cmd, e->command));
02060 goto done;
02061 }
02062 if (set_full_cmd(e))
02063 goto done;
02064
02065 lf = e->cmdlen;
02066 AST_RWLIST_TRAVERSE_SAFE_BEGIN(&helpers, cur, list) {
02067 int len = cur->cmdlen;
02068 if (lf < len)
02069 len = lf;
02070 if (strncasecmp(e->_full_cmd, cur->_full_cmd, len) < 0) {
02071 AST_RWLIST_INSERT_BEFORE_CURRENT(e, list);
02072 break;
02073 }
02074 }
02075 AST_RWLIST_TRAVERSE_SAFE_END;
02076
02077 if (!cur)
02078 AST_RWLIST_INSERT_TAIL(&helpers, e, list);
02079 ret = 0;
02080
02081 done:
02082 AST_RWLIST_UNLOCK(&helpers);
02083
02084 return ret;
02085 }
02086
02087
02088 int ast_cli_unregister(struct ast_cli_entry *e)
02089 {
02090 return __ast_cli_unregister(e, NULL);
02091 }
02092
02093
02094 int ast_cli_register(struct ast_cli_entry *e)
02095 {
02096 return __ast_cli_register(e, NULL);
02097 }
02098
02099
02100
02101
02102 int ast_cli_register_multiple(struct ast_cli_entry *e, int len)
02103 {
02104 int i, res = 0;
02105
02106 for (i = 0; i < len; i++)
02107 res |= ast_cli_register(e + i);
02108
02109 return res;
02110 }
02111
02112 int ast_cli_unregister_multiple(struct ast_cli_entry *e, int len)
02113 {
02114 int i, res = 0;
02115
02116 for (i = 0; i < len; i++)
02117 res |= ast_cli_unregister(e + i);
02118
02119 return res;
02120 }
02121
02122
02123
02124
02125
02126 static char *help1(int fd, const char * const match[], int locked)
02127 {
02128 char matchstr[80] = "";
02129 struct ast_cli_entry *e = NULL;
02130 int len = 0;
02131 int found = 0;
02132
02133 if (match) {
02134 ast_join(matchstr, sizeof(matchstr), match);
02135 len = strlen(matchstr);
02136 }
02137 if (!locked)
02138 AST_RWLIST_RDLOCK(&helpers);
02139 while ( (e = cli_next(e)) ) {
02140
02141 if (e->_full_cmd[0] == '_')
02142 continue;
02143 if (match && strncasecmp(matchstr, e->_full_cmd, len))
02144 continue;
02145 ast_cli(fd, "%30.30s %s\n", e->_full_cmd, S_OR(e->summary, "<no description available>"));
02146 found++;
02147 }
02148 if (!locked)
02149 AST_RWLIST_UNLOCK(&helpers);
02150 if (!found && matchstr[0])
02151 ast_cli(fd, "No such command '%s'.\n", matchstr);
02152 return CLI_SUCCESS;
02153 }
02154
02155 static char *handle_help(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
02156 {
02157 char fullcmd[80];
02158 struct ast_cli_entry *my_e;
02159 char *res = CLI_SUCCESS;
02160
02161 if (cmd == CLI_INIT) {
02162 e->command = "core show help";
02163 e->usage =
02164 "Usage: core show help [topic]\n"
02165 " When called with a topic as an argument, displays usage\n"
02166 " information on the given command. If called without a\n"
02167 " topic, it provides a list of commands.\n";
02168 return NULL;
02169
02170 } else if (cmd == CLI_GENERATE) {
02171
02172 int l = strlen(a->line);
02173
02174 if (l > 15) {
02175 l = 15;
02176 }
02177
02178 return __ast_cli_generator(a->line + l, a->word, a->n, 0);
02179 }
02180 if (a->argc == e->args) {
02181 return help1(a->fd, NULL, 0);
02182 }
02183
02184 AST_RWLIST_RDLOCK(&helpers);
02185 my_e = find_cli(a->argv + 3, 1);
02186 if (!my_e) {
02187 res = help1(a->fd, a->argv + 3, 1 );
02188 AST_RWLIST_UNLOCK(&helpers);
02189 return res;
02190 }
02191 if (my_e->usage)
02192 ast_cli(a->fd, "%s", my_e->usage);
02193 else {
02194 ast_join(fullcmd, sizeof(fullcmd), a->argv + 3);
02195 ast_cli(a->fd, "No help text available for '%s'.\n", fullcmd);
02196 }
02197 AST_RWLIST_UNLOCK(&helpers);
02198 return res;
02199 }
02200
02201 static char *parse_args(const char *s, int *argc, const char *argv[], int max, int *trailingwhitespace)
02202 {
02203 char *duplicate, *cur;
02204 int x = 0;
02205 int quoted = 0;
02206 int escaped = 0;
02207 int whitespace = 1;
02208 int dummy = 0;
02209
02210 if (trailingwhitespace == NULL)
02211 trailingwhitespace = &dummy;
02212 *trailingwhitespace = 0;
02213 if (s == NULL)
02214 return NULL;
02215
02216 if (!(duplicate = ast_strdup(s)))
02217 return NULL;
02218
02219 cur = duplicate;
02220
02221 for (; *s ; s++) {
02222 if (x >= max - 1) {
02223 ast_log(LOG_WARNING, "Too many arguments, truncating at %s\n", s);
02224 break;
02225 }
02226 if (*s == '"' && !escaped) {
02227 quoted = !quoted;
02228 if (quoted && whitespace) {
02229
02230 argv[x++] = cur;
02231 whitespace = 0;
02232 }
02233 } else if ((*s == ' ' || *s == '\t') && !(quoted || escaped)) {
02234
02235
02236
02237
02238 if (!whitespace) {
02239 *cur++ = '\0';
02240 whitespace = 1;
02241 }
02242 } else if (*s == '\\' && !escaped) {
02243 escaped = 1;
02244 } else {
02245 if (whitespace) {
02246
02247 argv[x++] = cur;
02248 whitespace = 0;
02249 }
02250 *cur++ = *s;
02251 escaped = 0;
02252 }
02253 }
02254
02255 *cur++ = '\0';
02256
02257
02258
02259
02260 argv[x] = NULL;
02261 *argc = x;
02262 *trailingwhitespace = whitespace;
02263 return duplicate;
02264 }
02265
02266
02267 int ast_cli_generatornummatches(const char *text, const char *word)
02268 {
02269 int matches = 0, i = 0;
02270 char *buf = NULL, *oldbuf = NULL;
02271
02272 while ((buf = ast_cli_generator(text, word, i++))) {
02273 if (!oldbuf || strcmp(buf,oldbuf))
02274 matches++;
02275 if (oldbuf)
02276 ast_free(oldbuf);
02277 oldbuf = buf;
02278 }
02279 if (oldbuf)
02280 ast_free(oldbuf);
02281 return matches;
02282 }
02283
02284 char **ast_cli_completion_matches(const char *text, const char *word)
02285 {
02286 char **match_list = NULL, *retstr, *prevstr;
02287 size_t match_list_len, max_equal, which, i;
02288 int matches = 0;
02289
02290
02291 match_list_len = 1;
02292 while ((retstr = ast_cli_generator(text, word, matches)) != NULL) {
02293 if (matches + 1 >= match_list_len) {
02294 match_list_len <<= 1;
02295 if (!(match_list = ast_realloc(match_list, match_list_len * sizeof(*match_list))))
02296 return NULL;
02297 }
02298 match_list[++matches] = retstr;
02299 }
02300
02301 if (!match_list)
02302 return match_list;
02303
02304
02305
02306
02307 prevstr = match_list[1];
02308 max_equal = strlen(prevstr);
02309 for (which = 2; which <= matches; which++) {
02310 for (i = 0; i < max_equal && toupper(prevstr[i]) == toupper(match_list[which][i]); i++)
02311 continue;
02312 max_equal = i;
02313 }
02314
02315 if (!(retstr = ast_malloc(max_equal + 1)))
02316 return NULL;
02317
02318 ast_copy_string(retstr, match_list[1], max_equal + 1);
02319 match_list[0] = retstr;
02320
02321
02322 if (matches + 1 >= match_list_len) {
02323 if (!(match_list = ast_realloc(match_list, (match_list_len + 1) * sizeof(*match_list))))
02324 return NULL;
02325 }
02326 match_list[matches + 1] = NULL;
02327
02328 return match_list;
02329 }
02330
02331
02332 static int more_words (const char * const *dst)
02333 {
02334 int i;
02335 for (i = 0; dst[i]; i++) {
02336 if (dst[i][0] != '[')
02337 return -1;
02338 }
02339 return 0;
02340 }
02341
02342
02343
02344
02345 static char *__ast_cli_generator(const char *text, const char *word, int state, int lock)
02346 {
02347 const char *argv[AST_MAX_ARGS];
02348 struct ast_cli_entry *e = NULL;
02349 int x = 0, argindex, matchlen;
02350 int matchnum=0;
02351 char *ret = NULL;
02352 char matchstr[80] = "";
02353 int tws = 0;
02354
02355 char *duplicate = parse_args(text, &x, argv, ARRAY_LEN(argv), &tws);
02356
02357 if (!duplicate)
02358 return NULL;
02359
02360
02361 argindex = (!ast_strlen_zero(word) && x>0) ? x-1 : x;
02362
02363
02364 ast_join(matchstr, sizeof(matchstr)-1, argv);
02365 matchlen = strlen(matchstr);
02366 if (tws) {
02367 strcat(matchstr, " ");
02368 if (matchlen)
02369 matchlen++;
02370 }
02371 if (lock)
02372 AST_RWLIST_RDLOCK(&helpers);
02373 while ( (e = cli_next(e)) ) {
02374
02375 int src = 0, dst = 0, n = 0;
02376
02377 if (e->command[0] == '_')
02378 continue;
02379
02380
02381
02382
02383
02384 for (;src < argindex; dst++, src += n) {
02385 n = word_match(argv[src], e->cmda[dst]);
02386 if (n < 0)
02387 break;
02388 }
02389
02390 if (src != argindex && more_words(e->cmda + dst))
02391 continue;
02392 ret = is_prefix(argv[src], e->cmda[dst], state - matchnum, &n);
02393 matchnum += n;
02394 if (ret) {
02395
02396
02397
02398
02399 if (matchnum > state)
02400 break;
02401 ast_free(ret);
02402 ret = NULL;
02403 } else if (ast_strlen_zero(e->cmda[dst])) {
02404
02405
02406
02407
02408
02409 if (e->handler) {
02410 struct ast_cli_args a = {
02411 .line = matchstr, .word = word,
02412 .pos = argindex,
02413 .n = state - matchnum,
02414 .argv = argv,
02415 .argc = x};
02416 ret = e->handler(e, CLI_GENERATE, &a);
02417 }
02418 if (ret)
02419 break;
02420 }
02421 }
02422 if (lock)
02423 AST_RWLIST_UNLOCK(&helpers);
02424 ast_free(duplicate);
02425 return ret;
02426 }
02427
02428 char *ast_cli_generator(const char *text, const char *word, int state)
02429 {
02430 return __ast_cli_generator(text, word, state, 1);
02431 }
02432
02433 int ast_cli_command_full(int uid, int gid, int fd, const char *s)
02434 {
02435 const char *args[AST_MAX_ARGS + 1];
02436 struct ast_cli_entry *e;
02437 int x;
02438 char *duplicate = parse_args(s, &x, args + 1, AST_MAX_ARGS, NULL);
02439 char tmp[AST_MAX_ARGS + 1];
02440 char *retval = NULL;
02441 struct ast_cli_args a = {
02442 .fd = fd, .argc = x, .argv = args+1 };
02443
02444 if (duplicate == NULL)
02445 return -1;
02446
02447 if (x < 1)
02448 goto done;
02449
02450 AST_RWLIST_RDLOCK(&helpers);
02451 e = find_cli(args + 1, 0);
02452 if (e)
02453 ast_atomic_fetchadd_int(&e->inuse, 1);
02454 AST_RWLIST_UNLOCK(&helpers);
02455 if (e == NULL) {
02456 ast_cli(fd, "No such command '%s' (type 'core show help %s' for other possible commands)\n", s, find_best(args + 1));
02457 goto done;
02458 }
02459
02460 ast_join(tmp, sizeof(tmp), args + 1);
02461
02462 if (!cli_has_permissions(uid, gid, tmp)) {
02463 ast_cli(fd, "You don't have permissions to run '%s' command\n", tmp);
02464 ast_free(duplicate);
02465 return 0;
02466 }
02467
02468
02469
02470
02471
02472 args[0] = (char *)e;
02473
02474 retval = e->handler(e, CLI_HANDLER, &a);
02475
02476 if (retval == CLI_SHOWUSAGE) {
02477 ast_cli(fd, "%s", S_OR(e->usage, "Invalid usage, but no usage information available.\n"));
02478 } else {
02479 if (retval == CLI_FAILURE)
02480 ast_cli(fd, "Command '%s' failed.\n", s);
02481 }
02482 ast_atomic_fetchadd_int(&e->inuse, -1);
02483 done:
02484 ast_free(duplicate);
02485 return 0;
02486 }
02487
02488 int ast_cli_command_multiple_full(int uid, int gid, int fd, size_t size, const char *s)
02489 {
02490 char cmd[512];
02491 int x, y = 0, count = 0;
02492
02493 for (x = 0; x < size; x++) {
02494 cmd[y] = s[x];
02495 y++;
02496 if (s[x] == '\0') {
02497 ast_cli_command_full(uid, gid, fd, cmd);
02498 y = 0;
02499 count++;
02500 }
02501 }
02502 return count;
02503 }