main/config.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 1999 - 2005, Digium, Inc.
   5  *
   6  * Mark Spencer <markster@digium.com>
   7  *
   8  * See http://www.asterisk.org for more information about
   9  * the Asterisk project. Please do not directly contact
  10  * any of the maintainers of this project for assistance;
  11  * the project provides a web site, mailing lists and IRC
  12  * channels for your use.
  13  *
  14  * This program is free software, distributed under the terms of
  15  * the GNU General Public License Version 2. See the LICENSE file
  16  * at the top of the source tree.
  17  */
  18
  19 /*! \file
  20  *
  21  * \brief Configuration File Parser
  22  *
  23  * \author Mark Spencer <markster@digium.com>
  24  *
  25  * Includes the Asterisk Realtime API - ARA
  26  * See doc/realtime.txt and doc/extconfig.txt
  27  */
  28
  29 #include "asterisk.h"
  30
  31 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  32
  33 #include <stdio.h>
  34 #include <unistd.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37 #include <errno.h>
  38 #include <time.h>
  39 #include <sys/stat.h>
  40 #define AST_INCLUDE_GLOB 1
  41 #ifdef AST_INCLUDE_GLOB
  42 #if defined(__Darwin__) || defined(__CYGWIN__)
  43 #define GLOB_ABORTED GLOB_ABEND
  44 #endif
  45 # include <glob.h>
  46 #endif
  47
  48 #include "asterisk/config.h"
  49 #include "asterisk/cli.h"
  50 #include "asterisk/lock.h"
  51 #include "asterisk/options.h"
  52 #include "asterisk/logger.h"
  53 #include "asterisk/utils.h"
  54 #include "asterisk/channel.h"
  55 #include "asterisk/app.h"
  56
  57 #define MAX_NESTED_COMMENTS 128
  58 #define COMMENT_START ";--"
  59 #define COMMENT_END "--;"
  60 #define COMMENT_META ';'
  61 #define COMMENT_TAG '-'
  62
  63 static char *extconfig_conf = "extconfig.conf";
  64
  65 /*! Growable string buffer */
  66 static char *comment_buffer;   /*!< this will be a comment collector.*/
  67 static int   comment_buffer_size;  /*!< the amount of storage so far alloc'd for the comment_buffer */
  68
  69 static char *lline_buffer;    /*!< A buffer for stuff behind the ; */
  70 static int  lline_buffer_size;
  71
  72
  73 struct ast_comment {
  74         struct ast_comment *next;
  75         char cmt[0];
  76 };
  77
  78 #define CB_INCR 250
  79
  80 static void CB_INIT(void)
  81 {
  82         if (!comment_buffer) {
  83                 comment_buffer = ast_malloc(CB_INCR);
  84                 if (!comment_buffer)
  85                         return;
  86                 comment_buffer[0] = 0;
  87                 comment_buffer_size = CB_INCR;
  88                 lline_buffer = ast_malloc(CB_INCR);
  89                 if (!lline_buffer)
  90                         return;
  91                 lline_buffer[0] = 0;
  92                 lline_buffer_size = CB_INCR;
  93         } else {
  94                 comment_buffer[0] = 0;
  95                 lline_buffer[0] = 0;
  96         }
  97 }
  98
  99 static void  CB_ADD(char *str)
 100 {
 101         int rem = comment_buffer_size - strlen(comment_buffer) - 1;
 102         int siz = strlen(str);
 103         if (rem < siz+1) {
 104                 comment_buffer = ast_realloc(comment_buffer, comment_buffer_size + CB_INCR + siz + 1);
 105                 if (!comment_buffer)
 106                         return;
 107                 comment_buffer_size += CB_INCR+siz+1;
 108         }
 109         strcat(comment_buffer,str);
 110 }
 111
 112 static void  CB_ADD_LEN(char *str, int len)
 113 {
 114         int cbl = strlen(comment_buffer) + 1;
 115         int rem = comment_buffer_size - cbl;
 116         if (rem < len+1) {
 117                 comment_buffer = ast_realloc(comment_buffer, comment_buffer_size + CB_INCR + len + 1);
 118                 if (!comment_buffer)
 119                         return;
 120                 comment_buffer_size += CB_INCR+len+1;
 121         }
 122         strncat(comment_buffer,str,len);
 123         comment_buffer[cbl+len-1] = 0;
 124 }
 125
 126 static void  LLB_ADD(char *str)
 127 {
 128         int rem = lline_buffer_size - strlen(lline_buffer) - 1;
 129         int siz = strlen(str);
 130         if (rem < siz+1) {
 131                 lline_buffer = ast_realloc(lline_buffer, lline_buffer_size + CB_INCR + siz + 1);
 132                 if (!lline_buffer)
 133                         return;
 134                 lline_buffer_size += CB_INCR + siz + 1;
 135         }
 136         strcat(lline_buffer,str);
 137 }
 138
 139 static void CB_RESET(void )
 140 {
 141         comment_buffer[0] = 0;
 142         lline_buffer[0] = 0;
 143 }
 144
 145
 146
 147 static struct ast_comment *ALLOC_COMMENT(const char *buffer)
 148 {
 149         struct ast_comment *x = ast_calloc(1,sizeof(struct ast_comment)+strlen(buffer)+1);
 150         strcpy(x->cmt, buffer);
 151         return x;
 152 }
 153
 154
 155 static struct ast_config_map {
 156         struct ast_config_map *next;
 157         char *name;
 158         char *driver;
 159         char *database;
 160         char *table;
 161         char stuff[0];
 162 } *config_maps = NULL;
 163
 164 AST_MUTEX_DEFINE_STATIC(config_lock);
 165 static struct ast_config_engine *config_engine_list;
 166
 167 #define MAX_INCLUDE_LEVEL 10
 168
 169 struct ast_category {
 170         char name[80];
 171         int ignored;                    /*!< do not let user of the config see this category */
 172         int include_level;
 173         struct ast_comment *precomments;
 174         struct ast_comment *sameline;
 175         struct ast_variable *root;
 176         struct ast_variable *last;
 177         struct ast_category *next;
 178 };
 179
 180 struct ast_config {
 181         struct ast_category *root;
 182         struct ast_category *last;
 183         struct ast_category *current;
 184         struct ast_category *last_browse;               /*!< used to cache the last category supplied via category_browse */
 185         int include_level;
 186         int max_include_level;
 187 };
 188
 189 struct ast_variable *ast_variable_new(const char *name, const char *value)
 190 {
 191         struct ast_variable *variable;
 192         int name_len = strlen(name) + 1;
 193
 194         if ((variable = ast_calloc(1, name_len + strlen(value) + 1 + sizeof(*variable)))) {
 195                 variable->name = variable->stuff;
 196                 variable->value = variable->stuff + name_len;
 197                 strcpy(variable->name,name);
 198                 strcpy(variable->value,value);
 199         }
 200
 201         return variable;
 202 }
 203
 204 void ast_variable_append(struct ast_category *category, struct ast_variable *variable)
 205 {
 206         if (!variable)
 207                 return;
 208         if (category->last)
 209                 category->last->next = variable;
 210         else
 211                 category->root = variable;
 212         category->last = variable;
 213         while (category->last->next)
 214                 category->last = category->last->next;
 215 }
 216
 217 void ast_variables_destroy(struct ast_variable *v)
 218 {
 219         struct ast_variable *vn;
 220
 221         while(v) {
 222                 vn = v;
 223                 v = v->next;
 224                 free(vn);
 225         }
 226 }
 227
 228 struct ast_variable *ast_variable_browse(const struct ast_config *config, const char *category)
 229 {
 230         struct ast_category *cat = NULL;
 231
 232         if (category && config->last_browse && (config->last_browse->name == category))
 233                 cat = config->last_browse;
 234         else
 235                 cat = ast_category_get(config, category);
 236
 237         return (cat) ? cat->root : NULL;
 238 }
 239
 240 const char *ast_config_option(struct ast_config *cfg, const char *cat, const char *var)
 241 {
 242         const char *tmp;
 243         tmp = ast_variable_retrieve(cfg, cat, var);
 244         if (!tmp)
 245                 tmp = ast_variable_retrieve(cfg, "general", var);
 246         return tmp;
 247 }
 248
 249
 250 const char *ast_variable_retrieve(const struct ast_config *config, const char *category, const char *variable)
 251 {
 252         struct ast_variable *v;
 253
 254         if (category) {
 255                 for (v = ast_variable_browse(config, category); v; v = v->next) {
 256                         if (!strcasecmp(variable, v->name))
 257                                 return v->value;
 258                 }
 259         } else {
 260                 struct ast_category *cat;
 261
 262                 for (cat = config->root; cat; cat = cat->next)
 263                         for (v = cat->root; v; v = v->next)
 264                                 if (!strcasecmp(variable, v->name))
 265                                         return v->value;
 266         }
 267
 268         return NULL;
 269 }
 270
 271 static struct ast_variable *variable_clone(const struct ast_variable *old)
 272 {
 273         struct ast_variable *new = ast_variable_new(old->name, old->value);
 274
 275         if (new) {
 276                 new->lineno = old->lineno;
 277                 new->object = old->object;
 278                 new->blanklines = old->blanklines;
 279                 /* TODO: clone comments? */
 280         }
 281
 282         return new;
 283 }
 284
 285 static void move_variables(struct ast_category *old, struct ast_category *new)
 286 {
 287         struct ast_variable *var = old->root;
 288         old->root = NULL;
 289 #if 1
 290         /* we can just move the entire list in a single op */
 291         ast_variable_append(new, var);
 292 #else
 293         while (var) {
 294                 struct ast_variable *next = var->next;
 295                 var->next = NULL;
 296                 ast_variable_append(new, var);
 297                 var = next;
 298         }
 299 #endif
 300 }
 301
 302 struct ast_category *ast_category_new(const char *name)
 303 {
 304         struct ast_category *category;
 305
 306         if ((category = ast_calloc(1, sizeof(*category))))
 307                 ast_copy_string(category->name, name, sizeof(category->name));
 308         return category;
 309 }
 310
 311 static struct ast_category *category_get(const struct ast_config *config, const char *category_name, int ignored)
 312 {
 313         struct ast_category *cat;
 314
 315         /* try exact match first, then case-insensitive match */
 316         for (cat = config->root; cat; cat = cat->next) {
 317                 if (cat->name == category_name && (ignored || !cat->ignored))
 318                         return cat;
 319         }
 320
 321         for (cat = config->root; cat; cat = cat->next) {
 322                 if (!strcasecmp(cat->name, category_name) && (ignored || !cat->ignored))
 323                         return cat;
 324         }
 325
 326         return NULL;
 327 }
 328
 329 struct ast_category *ast_category_get(const struct ast_config *config, const char *category_name)
 330 {
 331         return category_get(config, category_name, 0);
 332 }
 333
 334 int ast_category_exist(const struct ast_config *config, const char *category_name)
 335 {
 336         return !!ast_category_get(config, category_name);
 337 }
 338
 339 void ast_category_append(struct ast_config *config, struct ast_category *category)
 340 {
 341         if (config->last)
 342                 config->last->next = category;
 343         else
 344                 config->root = category;
 345         category->include_level = config->include_level;
 346         config->last = category;
 347         config->current = category;
 348 }
 349
 350 void ast_category_destroy(struct ast_category *cat)
 351 {
 352         ast_variables_destroy(cat->root);
 353         free(cat);
 354 }
 355
 356 static struct ast_category *next_available_category(struct ast_category *cat)
 357 {
 358         for (; cat && cat->ignored; cat = cat->next);
 359
 360         return cat;
 361 }
 362
 363 char *ast_category_browse(struct ast_config *config, const char *prev)
 364 {
 365         struct ast_category *cat = NULL;
 366
 367         if (prev && config->last_browse && (config->last_browse->name == prev))
 368                 cat = config->last_browse->next;
 369         else if (!prev && config->root)
 370                 cat = config->root;
 371         else if (prev) {
 372                 for (cat = config->root; cat; cat = cat->next) {
 373                         if (cat->name == prev) {
 374                                 cat = cat->next;
 375                                 break;
 376                         }
 377                 }
 378                 if (!cat) {
 379                         for (cat = config->root; cat; cat = cat->next) {
 380                                 if (!strcasecmp(cat->name, prev)) {
 381                                         cat = cat->next;
 382                                         break;
 383                                 }
 384                         }
 385                 }
 386         }
 387
 388         if (cat)
 389                 cat = next_available_category(cat);
 390
 391         config->last_browse = cat;
 392         return (cat) ? cat->name : NULL;
 393 }
 394
 395 struct ast_variable *ast_category_detach_variables(struct ast_category *cat)
 396 {
 397         struct ast_variable *v;
 398
 399         v = cat->root;
 400         cat->root = NULL;
 401         cat->last = NULL;
 402
 403         return v;
 404 }
 405
 406 void ast_category_rename(struct ast_category *cat, const char *name)
 407 {
 408         ast_copy_string(cat->name, name, sizeof(cat->name));
 409 }
 410
 411 static void inherit_category(struct ast_category *new, const struct ast_category *base)
 412 {
 413         struct ast_variable *var;
 414
 415         for (var = base->root; var; var = var->next)
 416                 ast_variable_append(new, variable_clone(var));
 417 }
 418
 419 struct ast_config *ast_config_new(void)
 420 {
 421         struct ast_config *config;
 422
 423         if ((config = ast_calloc(1, sizeof(*config))))
 424                 config->max_include_level = MAX_INCLUDE_LEVEL;
 425         return config;
 426 }
 427
 428 int ast_variable_delete(struct ast_category *category, char *variable, char *match)
 429 {
 430         struct ast_variable *cur, *prev=NULL, *curn;
 431         int res = -1;
 432         cur = category->root;
 433         while (cur) {
 434                 if (cur->name == variable) {
 435                         if (prev) {
 436                                 prev->next = cur->next;
 437                                 if (cur == category->last)
 438                                         category->last = prev;
 439                         } else {
 440                                 category->root = cur->next;
 441                                 if (cur == category->last)
 442                                         category->last = NULL;
 443                         }
 444                         cur->next = NULL;
 445                         ast_variables_destroy(cur);
 446                         return 0;
 447                 }
 448                 prev = cur;
 449                 cur = cur->next;
 450         }
 451
 452         prev = NULL;
 453         cur = category->root;
 454         while (cur) {
 455                 curn = cur->next;
 456                 if (!strcasecmp(cur->name, variable) && (ast_strlen_zero(match) || !strcasecmp(cur->value, match))) {
 457                         if (prev) {
 458                                 prev->next = cur->next;
 459                                 if (cur == category->last)
 460                                         category->last = prev;
 461                         } else {
 462                                 category->root = cur->next;
 463                                 if (cur == category->last)
 464                                         category->last = NULL;
 465                         }
 466                         cur->next = NULL;
 467                         ast_variables_destroy(cur);
 468                         res = 0;
 469                 } else
 470                         prev = cur;
 471
 472                 cur = curn;
 473         }
 474         return res;
 475 }
 476
 477 int ast_variable_update(struct ast_category *category, char *variable, char *value, char *match)
 478 {
 479         struct ast_variable *cur, *prev=NULL, *newer;
 480         newer = ast_variable_new(variable, value);
 481         if (!newer)
 482                 return -1;
 483         cur = category->root;
 484         while (cur) {
 485                 if (cur->name == variable) {
 486                         newer->next = cur->next;
 487                         newer->object = cur->object;
 488                         if (prev)
 489                                 prev->next = newer;
 490                         else
 491                                 category->root = newer;
 492                         if (category->last == cur)
 493                                 category->last = newer;
 494                         cur->next = NULL;
 495                         ast_variables_destroy(cur);
 496                         return 0;
 497                 }
 498                 prev = cur;
 499                 cur = cur->next;
 500         }
 501
 502         prev = NULL;
 503         cur = category->root;
 504         while (cur) {
 505                 if (!strcasecmp(cur->name, variable) && (ast_strlen_zero(match) || !strcasecmp(cur->value, match))) {
 506                         newer->next = cur->next;
 507                         newer->object = cur->object;
 508                         if (prev)
 509                                 prev->next = newer;
 510                         else
 511                                 category->root = newer;
 512                         if (category->last == cur)
 513                                 category->last = newer;
 514                         cur->next = NULL;
 515                         ast_variables_destroy(cur);
 516                         return 0;
 517                 }
 518                 prev = cur;
 519                 cur = cur->next;
 520         }
 521         if (prev)
 522                 prev->next = newer;
 523         else
 524                 category->root = newer;
 525         return 0;
 526 }
 527
 528 int ast_category_delete(struct ast_config *cfg, char *category)
 529 {
 530         struct ast_category *prev=NULL, *cat;
 531         cat = cfg->root;
 532         while(cat) {
 533                 if (cat->name == category) {
 534                         ast_variables_destroy(cat->root);
 535                         if (prev) {
 536                                 prev->next = cat->next;
 537                                 if (cat == cfg->last)
 538                                         cfg->last = prev;
 539                         } else {
 540                                 cfg->root = cat->next;
 541                                 if (cat == cfg->last)
 542                                         cfg->last = NULL;
 543                         }
 544                         free(cat);
 545                         return 0;
 546                 }
 547                 prev = cat;
 548                 cat = cat->next;
 549         }
 550
 551         prev = NULL;
 552         cat = cfg->root;
 553         while(cat) {
 554                 if (!strcasecmp(cat->name, category)) {
 555                         ast_variables_destroy(cat->root);
 556                         if (prev) {
 557                                 prev->next = cat->next;
 558                                 if (cat == cfg->last)
 559                                         cfg->last = prev;
 560                         } else {
 561                                 cfg->root = cat->next;
 562                                 if (cat == cfg->last)
 563                                         cfg->last = NULL;
 564                         }
 565                         free(cat);
 566                         return 0;
 567                 }
 568                 prev = cat;
 569                 cat = cat->next;
 570         }
 571         return -1;
 572 }
 573
 574 void ast_config_destroy(struct ast_config *cfg)
 575 {
 576         struct ast_category *cat, *catn;
 577
 578         if (!cfg)
 579                 return;
 580
 581         cat = cfg->root;
 582         while(cat) {
 583                 ast_variables_destroy(cat->root);
 584                 catn = cat;
 585                 cat = cat->next;
 586                 free(catn);
 587         }
 588         free(cfg);
 589 }
 590
 591 struct ast_category *ast_config_get_current_category(const struct ast_config *cfg)
 592 {
 593         return cfg->current;
 594 }
 595
 596 void ast_config_set_current_category(struct ast_config *cfg, const struct ast_category *cat)
 597 {
 598         /* cast below is just to silence compiler warning about dropping "const" */
 599         cfg->current = (struct ast_category *) cat;
 600 }
 601
 602 static int process_text_line(struct ast_config *cfg, struct ast_category **cat, char *buf, int lineno, const char *configfile, int withcomments)
 603 {
 604         char *c;
 605         char *cur = buf;
 606         struct ast_variable *v;
 607         char cmd[512], exec_file[512];
 608         int object, do_exec, do_include;
 609
 610         /* Actually parse the entry */
 611         if (cur[0] == '[') {
 612                 struct ast_category *newcat = NULL;
 613                 char *catname;
 614
 615                 /* A category header */
 616                 c = strchr(cur, ']');
 617                 if (!c) {
 618                         ast_log(LOG_WARNING, "parse error: no closing ']', line %d of %s\n", lineno, configfile);
 619                         return -1;
 620                 }
 621                 *c++ = '\0';
 622                 cur++;
 623                 if (*c++ != '(')
 624                         c = NULL;
 625                 catname = cur;
 626                 if (!(*cat = newcat = ast_category_new(catname))) {
 627                         return -1;
 628                 }
 629                 /* add comments */
 630                 if (withcomments && comment_buffer && comment_buffer[0] ) {
 631                         newcat->precomments = ALLOC_COMMENT(comment_buffer);
 632                 }
 633                 if (withcomments && lline_buffer && lline_buffer[0] ) {
 634                         newcat->sameline = ALLOC_COMMENT(lline_buffer);
 635                 }
 636                 if( withcomments )
 637                         CB_RESET();
 638
 639                 /* If there are options or categories to inherit from, process them now */
 640                 if (c) {
 641                         if (!(cur = strchr(c, ')'))) {
 642                                 ast_log(LOG_WARNING, "parse error: no closing ')', line %d of %s\n", lineno, configfile);
 643                                 return -1;
 644                         }
 645                         *cur = '\0';
 646                         while ((cur = strsep(&c, ","))) {
 647                                 if (!strcasecmp(cur, "!")) {
 648                                         (*cat)->ignored = 1;
 649                                 } else if (!strcasecmp(cur, "+")) {
 650                                         *cat = category_get(cfg, catname, 1);
 651                                         if (!*cat) {
 652                                                 ast_config_destroy(cfg);
 653                                                 if (newcat)
 654                                                         ast_category_destroy(newcat);
 655                                                 ast_log(LOG_WARNING, "Category addition requested, but category '%s' does not exist, line %d of %s\n", catname, lineno, configfile);
 656                                                 return -1;
 657                                         }
 658                                         if (newcat) {
 659                                                 move_variables(newcat, *cat);
 660                                                 ast_category_destroy(newcat);
 661                                                 newcat = NULL;
 662                                         }
 663                                 } else {
 664                                         struct ast_category *base;
 665
 666                                         base = category_get(cfg, cur, 1);
 667                                         if (!base) {
 668                                                 ast_log(LOG_WARNING, "Inheritance requested, but category '%s' does not exist, line %d of %s\n", cur, lineno, configfile);
 669                                                 return -1;
 670                                         }
 671                                         inherit_category(*cat, base);
 672                                 }
 673                         }
 674                 }
 675                 if (newcat)
 676                         ast_category_append(cfg, *cat);
 677         } else if (cur[0] == '#') {
 678                 /* A directive */
 679                 cur++;
 680                 c = cur;
 681                 while(*c && (*c > 32)) c++;
 682                 if (*c) {
 683                         *c = '\0';
 684                         /* Find real argument */
 685                         c = ast_skip_blanks(c + 1);
 686                         if (!*c)
 687                                 c = NULL;
 688                 } else
 689                         c = NULL;
 690                 do_include = !strcasecmp(cur, "include");
 691                 if(!do_include)
 692                         do_exec = !strcasecmp(cur, "exec");
 693                 else
 694                         do_exec = 0;
 695                 if (do_exec && !ast_opt_exec_includes) {
 696                         ast_log(LOG_WARNING, "Cannot perform #exec unless execincludes option is enabled in asterisk.conf (options section)!\n");
 697                         do_exec = 0;
 698                 }
 699                 if (do_include || do_exec) {
 700                         if (c) {
 701                                 /* Strip off leading and trailing "'s and <>'s */
 702                                 while((*c == '<') || (*c == '>') || (*c == '\"')) c++;
 703                                 /* Get rid of leading mess */
 704                                 cur = c;
 705                                 while (!ast_strlen_zero(cur)) {
 706                                         c = cur + strlen(cur) - 1;
 707                                         if ((*c == '>') || (*c == '<') || (*c == '\"'))
 708                                                 *c = '\0';
 709                                         else
 710                                                 break;
 711                                 }
 712                                 /* #exec </path/to/executable>
 713                                    We create a tmp file, then we #include it, then we delete it. */
 714                                 if (do_exec) {
 715                                         snprintf(exec_file, sizeof(exec_file), "/var/tmp/exec.%d.%ld", (int)time(NULL), (long)pthread_self());
 716                                         snprintf(cmd, sizeof(cmd), "%s > %s 2>&1", cur, exec_file);
 717                                         ast_safe_system(cmd);
 718                                         cur = exec_file;
 719                                 } else
 720                                         exec_file[0] = '\0';
 721                                 /* A #include */
 722                                 do_include = ast_config_internal_load(cur, cfg, withcomments) ? 1 : 0;
 723                                 if(!ast_strlen_zero(exec_file))
 724                                         unlink(exec_file);
 725                                 if(!do_include)
 726                                         return 0;
 727
 728                         } else {
 729                                 ast_log(LOG_WARNING, "Directive '#%s' needs an argument (%s) at line %d of %s\n",
 730                                                 do_exec ? "exec" : "include",
 731                                                 do_exec ? "/path/to/executable" : "filename",
 732                                                 lineno,
 733                                                 configfile);
 734                         }
 735                 }
 736                 else
 737                         ast_log(LOG_WARNING, "Unknown directive '%s' at line %d of %s\n", cur, lineno, configfile);
 738         } else {
 739                 /* Just a line (variable = value) */
 740                 if (!*cat) {
 741                         ast_log(LOG_WARNING,
 742                                 "parse error: No category context for line %d of %s\n", lineno, configfile);
 743                         return -1;
 744                 }
 745                 c = strchr(cur, '=');
 746                 if (c) {
 747                         *c = 0;
 748                         c++;
 749                         /* Ignore > in => */
 750                         if (*c== '>') {
 751                                 object = 1;
 752                                 c++;
 753                         } else
 754                                 object = 0;
 755                         if ((v = ast_variable_new(ast_strip(cur), ast_strip(c)))) {
 756                                 v->lineno = lineno;
 757                                 v->object = object;
 758                                 /* Put and reset comments */
 759                                 v->blanklines = 0;
 760                                 ast_variable_append(*cat, v);
 761                                 /* add comments */
 762                                 if (withcomments && comment_buffer && comment_buffer[0] ) {
 763                                         v->precomments = ALLOC_COMMENT(comment_buffer);
 764                                 }
 765                                 if (withcomments && lline_buffer && lline_buffer[0] ) {
 766                                         v->sameline = ALLOC_COMMENT(lline_buffer);
 767                                 }
 768                                 if( withcomments )
 769                                         CB_RESET();
 770
 771                         } else {
 772                                 return -1;
 773                         }
 774                 } else {
 775                         ast_log(LOG_WARNING, "No '=' (equal sign) in line %d of %s\n", lineno, configfile);
 776                 }
 777         }
 778         return 0;
 779 }
 780
 781 static struct ast_config *config_text_file_load(const char *database, const char *table, const char *filename, struct ast_config *cfg, int withcomments)
 782 {
 783         char fn[256];
 784         char buf[8192];
 785         char *new_buf, *comment_p, *process_buf;
 786         FILE *f;
 787         int lineno=0;
 788         int comment = 0, nest[MAX_NESTED_COMMENTS];
 789         struct ast_category *cat = NULL;
 790         int count = 0;
 791         struct stat statbuf;
 792
 793         cat = ast_config_get_current_category(cfg);
 794
 795         if (filename[0] == '/') {
 796                 ast_copy_string(fn, filename, sizeof(fn));
 797         } else {
 798                 snprintf(fn, sizeof(fn), "%s/%s", (char *)ast_config_AST_CONFIG_DIR, filename);
 799         }
 800
 801         if (withcomments) {
 802                 CB_INIT();
 803                 if (!lline_buffer || !comment_buffer) {
 804                         ast_log(LOG_ERROR, "Failed to initialize the comment buffer!\n");
 805                         return NULL;
 806                 }
 807         }
 808 #ifdef AST_INCLUDE_GLOB
 809         {
 810                 int glob_ret;
 811                 glob_t globbuf;
 812                 globbuf.gl_offs = 0;    /* initialize it to silence gcc */
 813 #ifdef SOLARIS
 814                 glob_ret = glob(fn, GLOB_NOCHECK, NULL, &globbuf);
 815 #else
 816                 glob_ret = glob(fn, GLOB_NOMAGIC|GLOB_BRACE, NULL, &globbuf);
 817 #endif
 818                 if (glob_ret == GLOB_NOSPACE)
 819                         ast_log(LOG_WARNING,
 820                                 "Glob Expansion of pattern '%s' failed: Not enough memory\n", fn);
 821                 else if (glob_ret  == GLOB_ABORTED)
 822                         ast_log(LOG_WARNING,
 823                                 "Glob Expansion of pattern '%s' failed: Read error\n", fn);
 824                 else  {
 825                         /* loop over expanded files */
 826                         int i;
 827                         for (i=0; i<globbuf.gl_pathc; i++) {
 828                                 ast_copy_string(fn, globbuf.gl_pathv[i], sizeof(fn));
 829 #endif
 830         do {
 831                 if (stat(fn, &statbuf))
 832                         continue;
 833
 834                 if (!S_ISREG(statbuf.st_mode)) {
 835                         ast_log(LOG_WARNING, "'%s' is not a regular file, ignoring\n", fn);
 836                         continue;
 837                 }
 838                 if (option_verbose > 1) {
 839                         ast_verbose(VERBOSE_PREFIX_2 "Parsing '%s': ", fn);
 840                         fflush(stdout);
 841                 }
 842                 if (!(f = fopen(fn, "r"))) {
 843                         if (option_debug)
 844                                 ast_log(LOG_DEBUG, "No file to parse: %s\n", fn);
 845                         if (option_verbose > 1)
 846                                 ast_verbose( "Not found (%s)\n", strerror(errno));
 847                         continue;
 848                 }
 849                 count++;
 850                 if (option_debug)
 851                         ast_log(LOG_DEBUG, "Parsing %s\n", fn);
 852                 if (option_verbose > 1)
 853                         ast_verbose("Found\n");
 854                 while(!feof(f)) {
 855                         lineno++;
 856                         if (fgets(buf, sizeof(buf), f)) {
 857                                 if ( withcomments ) {
 858                                         ast_log(LOG_NOTICE, "moo\n");
 859                                         CB_ADD(lline_buffer);       /* add the current lline buffer to the comment buffer */
 860                                         lline_buffer[0] = 0;        /* erase the lline buffer */
 861                                 }
 862
 863                                 new_buf = buf;
 864                                 if (comment)
 865                                         process_buf = NULL;
 866                                 else
 867                                         process_buf = buf;
 868
 869                                 while ((comment_p = strchr(new_buf, COMMENT_META))) {
 870                                         if ((comment_p > new_buf) && (*(comment_p-1) == '\\')) {
 871                                                 /* Yuck, gotta memmove */
 872                                                 memmove(comment_p - 1, comment_p, strlen(comment_p) + 1);
 873                                                 new_buf = comment_p;
 874                                         } else if(comment_p[1] == COMMENT_TAG && comment_p[2] == COMMENT_TAG && (comment_p[3] != '-')) {
 875                                                 /* Meta-Comment start detected ";--" */
 876                                                 if (comment < MAX_NESTED_COMMENTS) {
 877                                                         *comment_p = '\0';
 878                                                         new_buf = comment_p + 3;
 879                                                         comment++;
 880                                                         nest[comment-1] = lineno;
 881                                                 } else {
 882                                                         ast_log(LOG_ERROR, "Maximum nest limit of %d reached.\n", MAX_NESTED_COMMENTS);
 883                                                 }
 884                                         } else if ((comment_p >= new_buf + 2) &&
 885                                                    (*(comment_p - 1) == COMMENT_TAG) &&
 886                                                    (*(comment_p - 2) == COMMENT_TAG)) {
 887                                                 /* Meta-Comment end detected */
 888                                                 comment--;
 889                                                 new_buf = comment_p + 1;
 890                                                 if (!comment) {
 891                                                         /* Back to non-comment now */
 892                                                         if (process_buf) {
 893                                                                 /* Actually have to move what's left over the top, then continue */
 894                                                                 char *oldptr;
 895                                                                 oldptr = process_buf + strlen(process_buf);
 896                                                                 if ( withcomments ) {
 897                                                                         CB_ADD(";");
 898                                                                         CB_ADD_LEN(oldptr+1,new_buf-oldptr-1);
 899                                                                 }
 900
 901                                                                 memmove(oldptr, new_buf, strlen(new_buf) + 1);
 902                                                                 new_buf = oldptr;
 903                                                         } else
 904                                                                 process_buf = new_buf;
 905                                                 }
 906                                         } else {
 907                                                 if (!comment) {
 908                                                         /* If ; is found, and we are not nested in a comment,
 909                                                            we immediately stop all comment processing */
 910                                                         if ( withcomments ) {
 911                                                                 LLB_ADD(comment_p);
 912                                                         }
 913                                                         *comment_p = '\0';
 914                                                         new_buf = comment_p;
 915                                                 } else
 916                                                         new_buf = comment_p + 1;
 917                                         }
 918                                 }
 919                                 if( withcomments && comment && !process_buf )
 920                                 {
 921                                         CB_ADD(buf);  /* the whole line is a comment, store it */
 922                                 }
 923
 924                                 if (process_buf) {
 925                                         char *buf = ast_strip(process_buf);
 926                                         if (!ast_strlen_zero(buf)) {
 927                                                 if (process_text_line(cfg, &cat, buf, lineno, filename, withcomments)) {
 928                                                         cfg = NULL;
 929                                                         break;
 930                                                 }
 931                                         }
 932                                 }
 933                         }
 934                 }
 935                 fclose(f);
 936         } while(0);
 937         if (comment) {
 938                 ast_log(LOG_WARNING,"Unterminated comment detected beginning on line %d\n", nest[comment]);
 939         }
 940 #ifdef AST_INCLUDE_GLOB
 941                                         if (!cfg)
 942                                                 break;
 943                                 }
 944                                 globfree(&globbuf);
 945                         }
 946                 }
 947 #endif
 948
 949         if (cfg->include_level == 1 && withcomments && comment_buffer) {
 950                 free(comment_buffer);
 951                 free(lline_buffer);
 952                 comment_buffer = NULL;
 953                 lline_buffer = NULL;
 954                 comment_buffer_size = 0;
 955                 lline_buffer_size = 0;
 956         }
 957
 958         if (count == 0)
 959                 return NULL;
 960
 961         return cfg;
 962 }
 963
 964 int config_text_file_save(const char *configfile, const struct ast_config *cfg, const char *generator)
 965 {
 966         FILE *f;
 967         char fn[256];
 968         char date[256]="";
 969         time_t t;
 970         struct ast_variable *var;
 971         struct ast_category *cat;
 972         struct ast_comment *cmt;
 973         int blanklines = 0;
 974
 975         if (configfile[0] == '/') {
 976                 ast_copy_string(fn, configfile, sizeof(fn));
 977         } else {
 978                 snprintf(fn, sizeof(fn), "%s/%s", ast_config_AST_CONFIG_DIR, configfile);
 979         }
 980         time(&t);
 981         ast_copy_string(date, ctime(&t), sizeof(date));
 982 #ifdef __CYGWIN__
 983         if ((f = fopen(fn, "w+"))) {
 984 #else
 985         if ((f = fopen(fn, "w"))) {
 986 #endif
 987                 if (option_verbose > 1)
 988                         ast_verbose(VERBOSE_PREFIX_2 "Saving '%s': ", fn);
 989                 fprintf(f, ";!\n");
 990                 fprintf(f, ";! Automatically generated configuration file\n");
 991                 if (strcmp(configfile, fn))
 992                         fprintf(f, ";! Filename: %s (%s)\n", configfile, fn);
 993                 else
 994                         fprintf(f, ";! Filename: %s\n", configfile);
 995                 fprintf(f, ";! Generator: %s\n", generator);
 996                 fprintf(f, ";! Creation Date: %s", date);
 997                 fprintf(f, ";!\n");
 998                 cat = cfg->root;
 999                 while(cat) {
1000                         /* Dump section with any appropriate comment */
1001                         for (cmt = cat->precomments; cmt; cmt=cmt->next)
1002                         {
1003                                 if (cmt->cmt[0] != ';' || cmt->cmt[1] != '!')
1004                                         fprintf(f,"%s", cmt->cmt);
1005                         }
1006                         if (!cat->precomments)
1007                                 fprintf(f,"\n");
1008                         fprintf(f, "[%s]", cat->name);
1009                         for(cmt = cat->sameline; cmt; cmt=cmt->next)
1010                         {
1011                                 fprintf(f,"%s", cmt->cmt);
1012                         }
1013                         if (!cat->sameline)
1014                                 fprintf(f,"\n");
1015                         var = cat->root;
1016                         while(var) {
1017                                 for (cmt = var->precomments; cmt; cmt=cmt->next)
1018                                 {
1019                                         if (cmt->cmt[0] != ';' || cmt->cmt[1] != '!')
1020                                                 fprintf(f,"%s", cmt->cmt);
1021                                 }
1022                                 if (var->sameline)
1023                                         fprintf(f, "%s %s %s  %s", var->name, (var->object ? "=>" : "="), var->value, var->sameline->cmt);
1024                                 else
1025                                         fprintf(f, "%s %s %s\n", var->name, (var->object ? "=>" : "="), var->value);
1026                                 if (var->blanklines) {
1027                                         blanklines = var->blanklines;
1028                                         while (blanklines--)
1029                                                 fprintf(f, "\n");
1030                                 }
1031
1032                                 var = var->next;
1033                         }
1034 #if 0
1035                         /* Put an empty line */
1036                         fprintf(f, "\n");
1037 #endif
1038                         cat = cat->next;
1039                 }
1040                 if ((option_verbose > 1) && !option_debug)
1041                         ast_verbose("Saved\n");
1042         } else {
1043                 if (option_debug)
1044                         ast_log(LOG_DEBUG, "Unable to open for writing: %s\n", fn);
1045                 if (option_verbose > 1)
1046                         ast_verbose(VERBOSE_PREFIX_2 "Unable to write (%s)", strerror(errno));
1047                 return -1;
1048         }
1049         fclose(f);
1050         return 0;
1051 }
1052
1053 static void clear_config_maps(void)
1054 {
1055         struct ast_config_map *map;
1056
1057         ast_mutex_lock(&config_lock);
1058
1059         while (config_maps) {
1060                 map = config_maps;
1061                 config_maps = config_maps->next;
1062                 free(map);
1063         }
1064
1065         ast_mutex_unlock(&config_lock);
1066 }
1067
1068 static int append_mapping(char *name, char *driver, char *database, char *table)
1069 {
1070         struct ast_config_map *map;
1071         int length;
1072
1073         length = sizeof(*map);
1074         length += strlen(name) + 1;
1075         length += strlen(driver) + 1;
1076         length += strlen(database) + 1;
1077         if (table)
1078                 length += strlen(table) + 1;
1079
1080         if (!(map = ast_calloc(1, length)))
1081                 return -1;
1082
1083         map->name = map->stuff;
1084         strcpy(map->name, name);
1085         map->driver = map->name + strlen(map->name) + 1;
1086         strcpy(map->driver, driver);
1087         map->database = map->driver + strlen(map->driver) + 1;
1088         strcpy(map->database, database);
1089         if (table) {
1090                 map->table = map->database + strlen(map->database) + 1;
1091                 strcpy(map->table, table);
1092         }
1093         map->next = config_maps;
1094
1095         if (option_verbose > 1)
1096                 ast_verbose(VERBOSE_PREFIX_2 "Binding %s to %s/%s/%s\n",
1097                             map->name, map->driver, map->database, map->table ? map->table : map->name);
1098
1099         config_maps = map;
1100         return 0;
1101 }
1102
1103 int read_config_maps(void)
1104 {
1105         struct ast_config *config, *configtmp;
1106         struct ast_variable *v;
1107         char *driver, *table, *database, *stringp;
1108
1109         clear_config_maps();
1110
1111         configtmp = ast_config_new();
1112         configtmp->max_include_level = 1;
1113         config = ast_config_internal_load(extconfig_conf, configtmp, 0);
1114         if (!config) {
1115                 ast_config_destroy(configtmp);
1116                 return 0;
1117         }
1118
1119         for (v = ast_variable_browse(config, "settings"); v; v = v->next) {
1120                 stringp = v->value;
1121                 driver = strsep(&stringp, ",");
1122
1123                 /* check if the database text starts with a double quote */
1124                 if (*stringp == '"') {
1125                         stringp++;
1126                         database = strsep(&stringp, "\"");
1127                         strsep(&stringp, ",");
1128                 } else {
1129                         /* apparently this text has no quotes */
1130                         database = strsep(&stringp, ",");
1131                 }
1132
1133                 table = strsep(&stringp, ",");
1134
1135                 if (!strcmp(v->name, extconfig_conf)) {
1136                         ast_log(LOG_WARNING, "Cannot bind '%s'!\n", extconfig_conf);
1137                         continue;
1138                 }
1139
1140                 if (!strcmp(v->name, "asterisk.conf")) {
1141                         ast_log(LOG_WARNING, "Cannot bind 'asterisk.conf'!\n");
1142                         continue;
1143                 }
1144
1145                 if (!strcmp(v->name, "logger.conf")) {
1146                         ast_log(LOG_WARNING, "Cannot bind 'logger.conf'!\n");
1147                         continue;
1148                 }
1149
1150                 if (!driver || !database)
1151                         continue;
1152                 if (!strcasecmp(v->name, "sipfriends")) {
1153                         ast_log(LOG_WARNING, "The 'sipfriends' table is obsolete, update your config to use sipusers and sippeers, though they can point to the same table.\n");
1154                         append_mapping("sipusers", driver, database, table ? table : "sipfriends");
1155                         append_mapping("sippeers", driver, database, table ? table : "sipfriends");
1156                 } else if (!strcasecmp(v->name, "iaxfriends")) {
1157                         ast_log(LOG_WARNING, "The 'iaxfriends' table is obsolete, update your config to use iaxusers and iaxpeers, though they can point to the same table.\n");
1158                         append_mapping("iaxusers", driver, database, table ? table : "iaxfriends");
1159                         append_mapping("iaxpeers", driver, database, table ? table : "iaxfriends");
1160                 } else
1161                         append_mapping(v->name, driver, database, table);
1162         }
1163
1164         ast_config_destroy(config);
1165         return 0;
1166 }
1167
1168 int ast_config_engine_register(struct ast_config_engine *new)
1169 {
1170         struct ast_config_engine *ptr;
1171
1172         ast_mutex_lock(&config_lock);
1173
1174         if (!config_engine_list) {
1175                 config_engine_list = new;
1176         } else {
1177                 for (ptr = config_engine_list; ptr->next; ptr=ptr->next);
1178                 ptr->next = new;
1179         }
1180
1181         ast_mutex_unlock(&config_lock);
1182         ast_log(LOG_NOTICE,"Registered Config Engine %s\n", new->name);
1183
1184         return 1;
1185 }
1186
1187 int ast_config_engine_deregister(struct ast_config_engine *del)
1188 {
1189         struct ast_config_engine *ptr, *last=NULL;
1190
1191         ast_mutex_lock(&config_lock);
1192
1193         for (ptr = config_engine_list; ptr; ptr=ptr->next) {
1194                 if (ptr == del) {
1195                         if (last)
1196                                 last->next = ptr->next;
1197                         else
1198                                 config_engine_list = ptr->next;
1199                         break;
1200                 }
1201                 last = ptr;
1202         }
1203
1204         ast_mutex_unlock(&config_lock);
1205
1206         return 0;
1207 }
1208
1209 /*! \brief Find realtime engine for realtime family */
1210 static struct ast_config_engine *find_engine(const char *family, char *database, int dbsiz, char *table, int tabsiz)
1211 {
1212         struct ast_config_engine *eng, *ret = NULL;
1213         struct ast_config_map *map;
1214
1215         ast_mutex_lock(&config_lock);
1216
1217         for (map = config_maps; map; map = map->next) {
1218                 if (!strcasecmp(family, map->name)) {
1219                         if (database)
1220                                 ast_copy_string(database, map->database, dbsiz);
1221                         if (table)
1222                                 ast_copy_string(table, map->table ? map->table : family, tabsiz);
1223                         break;
1224                 }
1225         }
1226
1227         /* Check if the required driver (engine) exist */
1228         if (map) {
1229                 for (eng = config_engine_list; !ret && eng; eng = eng->next) {
1230                         if (!strcasecmp(eng->name, map->driver))
1231                                 ret = eng;
1232                 }
1233         }
1234
1235         ast_mutex_unlock(&config_lock);
1236
1237         /* if we found a mapping, but the engine is not available, then issue a warning */
1238         if (map && !ret)
1239                 ast_log(LOG_WARNING, "Realtime mapping for '%s' found to engine '%s', but the engine is not available\n", map->name, map->driver);
1240
1241         return ret;
1242 }
1243
1244 static struct ast_config_engine text_file_engine = {
1245         .name = "text",
1246         .load_func = config_text_file_load,
1247 };
1248
1249 struct ast_config *ast_config_internal_load(const char *filename, struct ast_config *cfg, int withcomments)
1250 {
1251         char db[256];
1252         char table[256];
1253         struct ast_config_engine *loader = &text_file_engine;
1254         struct ast_config *result;
1255
1256         if (cfg->include_level == cfg->max_include_level) {
1257                 ast_log(LOG_WARNING, "Maximum Include level (%d) exceeded\n", cfg->max_include_level);
1258                 return NULL;
1259         }
1260
1261         cfg->include_level++;
1262
1263         if (strcmp(filename, extconfig_conf) && strcmp(filename, "asterisk.conf") && config_engine_list) {
1264                 struct ast_config_engine *eng;
1265
1266                 eng = find_engine(filename, db, sizeof(db), table, sizeof(table));
1267
1268
1269                 if (eng && eng->load_func) {
1270                         loader = eng;
1271                 } else {
1272                         eng = find_engine("global", db, sizeof(db), table, sizeof(table));
1273                         if (eng && eng->load_func)
1274                                 loader = eng;
1275                 }
1276         }
1277
1278         result = loader->load_func(db, table, filename, cfg, withcomments);
1279
1280         if (result)
1281                 result->include_level--;
1282
1283         return result;
1284 }
1285
1286 struct ast_config *ast_config_load(const char *filename)
1287 {
1288         struct ast_config *cfg;
1289         struct ast_config *result;
1290
1291         cfg = ast_config_new();
1292         if (!cfg)
1293                 return NULL;
1294
1295         result = ast_config_internal_load(filename, cfg, 0);
1296         if (!result)
1297                 ast_config_destroy(cfg);
1298
1299         return result;
1300 }
1301
1302 struct ast_config *ast_config_load_with_comments(const char *filename)
1303 {
1304         struct ast_config *cfg;
1305         struct ast_config *result;
1306
1307         cfg = ast_config_new();
1308         if (!cfg)
1309                 return NULL;
1310
1311         result = ast_config_internal_load(filename, cfg, 1);
1312         if (!result)
1313                 ast_config_destroy(cfg);
1314
1315         return result;
1316 }
1317
1318 struct ast_variable *ast_load_realtime(const char *family, ...)
1319 {
1320         struct ast_config_engine *eng;
1321         char db[256]="";
1322         char table[256]="";
1323         struct ast_variable *res=NULL;
1324         va_list ap;
1325
1326         va_start(ap, family);
1327         eng = find_engine(family, db, sizeof(db), table, sizeof(table));
1328         if (eng && eng->realtime_func)
1329                 res = eng->realtime_func(db, table, ap);
1330         va_end(ap);
1331
1332         return res;
1333 }
1334
1335 /*! \brief Check if realtime engine is configured for family */
1336 int ast_check_realtime(const char *family)
1337 {
1338         struct ast_config_engine *eng;
1339
1340         eng = find_engine(family, NULL, 0, NULL, 0);
1341         if (eng)
1342                 return 1;
1343         return 0;
1344
1345 }
1346
1347 struct ast_config *ast_load_realtime_multientry(const char *family, ...)
1348 {
1349         struct ast_config_engine *eng;
1350         char db[256]="";
1351         char table[256]="";
1352         struct ast_config *res=NULL;
1353         va_list ap;
1354
1355         va_start(ap, family);
1356         eng = find_engine(family, db, sizeof(db), table, sizeof(table));
1357         if (eng && eng->realtime_multi_func)
1358                 res = eng->realtime_multi_func(db, table, ap);
1359         va_end(ap);
1360
1361         return res;
1362 }
1363
1364 int ast_update_realtime(const char *family, const char *keyfield, const char *lookup, ...)
1365 {
1366         struct ast_config_engine *eng;
1367         int res = -1;
1368         char db[256]="";
1369         char table[256]="";
1370         va_list ap;
1371
1372         va_start(ap, lookup);
1373         eng = find_engine(family, db, sizeof(db), table, sizeof(table));
1374         if (eng && eng->update_func)
1375                 res = eng->update_func(db, table, keyfield, lookup, ap);
1376         va_end(ap);
1377
1378         return res;
1379 }
1380
1381 static int config_command(int fd, int argc, char **argv)
1382 {
1383         struct ast_config_engine *eng;
1384         struct ast_config_map *map;
1385
1386         ast_mutex_lock(&config_lock);
1387
1388         ast_cli(fd, "\n\n");
1389         for (eng = config_engine_list; eng; eng = eng->next) {
1390                 ast_cli(fd, "\nConfig Engine: %s\n", eng->name);
1391                 for (map = config_maps; map; map = map->next)
1392                         if (!strcasecmp(map->driver, eng->name)) {
1393                                 ast_cli(fd, "===> %s (db=%s, table=%s)\n", map->name, map->database,
1394                                         map->table ? map->table : map->name);
1395                         }
1396         }
1397         ast_cli(fd,"\n\n");
1398
1399         ast_mutex_unlock(&config_lock);
1400
1401         return 0;
1402 }
1403
1404 static char show_config_help[] =
1405         "Usage: core show config mappings\n"
1406         "       Shows the filenames to config engines.\n";
1407
1408 static struct ast_cli_entry cli_show_config_mappings_deprecated = {
1409         { "show", "config", "mappings", NULL },
1410         config_command, NULL,
1411         NULL };
1412
1413 static struct ast_cli_entry cli_config[] = {
1414         { { "core", "show", "config", "mappings", NULL },
1415         config_command, "Display config mappings (file names to config engines)",
1416         show_config_help, NULL, &cli_show_config_mappings_deprecated },
1417 };
1418
1419 int register_config_cli()
1420 {
1421         ast_cli_register_multiple(cli_config, sizeof(cli_config) / sizeof(struct ast_cli_entry));
1422         return 0;
1423 }