cli.c

   1 /*
   2  * cli - Command Line Interface for the Unified Configuration Interface
   3  * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14 #include <strings.h>
  15 #include <string.h>
  16 #include <stdlib.h>
  17 #include <unistd.h>
  18 #include "uci.h"
  19
  20 #define MAX_ARGS        4 /* max command line arguments for batch mode */
  21
  22 static const char *delimiter = " ";
  23 static const char *appname;
  24 static enum {
  25         CLI_FLAG_MERGE =    (1 << 0),
  26         CLI_FLAG_QUIET =    (1 << 1),
  27         CLI_FLAG_NOCOMMIT = (1 << 2),
  28         CLI_FLAG_BATCH =    (1 << 3),
  29         CLI_FLAG_SHOW_EXT = (1 << 4),
  30 } flags;
  31
  32 static FILE *input;
  33
  34 static struct uci_context *ctx;
  35 enum {
  36         /* section cmds */
  37         CMD_GET,
  38         CMD_SET,
  39         CMD_ADD_LIST,
  40         CMD_DEL_LIST,
  41         CMD_DEL,
  42         CMD_RENAME,
  43         CMD_REVERT,
  44         CMD_REORDER,
  45         /* package cmds */
  46         CMD_SHOW,
  47         CMD_CHANGES,
  48         CMD_EXPORT,
  49         CMD_COMMIT,
  50         /* other cmds */
  51         CMD_ADD,
  52         CMD_IMPORT,
  53         CMD_HELP,
  54 };
  55
  56 struct uci_type_list {
  57         unsigned int idx;
  58         const char *name;
  59         struct uci_type_list *next;
  60 };
  61
  62 static struct uci_type_list *type_list = NULL;
  63 static char *typestr = NULL;
  64 static const char *cur_section_ref = NULL;
  65
  66 static int uci_cmd(int argc, char **argv);
  67
  68 static void
  69 uci_reset_typelist(void)
  70 {
  71         struct uci_type_list *type;
  72         while (type_list != NULL) {
  73                         type = type_list;
  74                         type_list = type_list->next;
  75                         free(type);
  76         }
  77         if (typestr) {
  78                 free(typestr);
  79                 typestr = NULL;
  80         }
  81         cur_section_ref = NULL;
  82 }
  83
  84 static char *
  85 uci_lookup_section_ref(struct uci_section *s)
  86 {
  87         struct uci_type_list *ti = type_list;
  88         int maxlen;
  89
  90         if (!s->anonymous || !(flags & CLI_FLAG_SHOW_EXT))
  91                 return s->e.name;
  92
  93         /* look up in section type list */
  94         while (ti) {
  95                 if (strcmp(ti->name, s->type) == 0)
  96                         break;
  97                 ti = ti->next;
  98         }
  99         if (!ti) {
 100                 ti = malloc(sizeof(struct uci_type_list));
 101                 if (!ti)
 102                         return NULL;
 103                 memset(ti, 0, sizeof(struct uci_type_list));
 104                 ti->next = type_list;
 105                 type_list = ti;
 106                 ti->name = s->type;
 107         }
 108
 109         maxlen = strlen(s->type) + 1 + 2 + 10;
 110         if (!typestr) {
 111                 typestr = malloc(maxlen);
 112         } else {
 113                 typestr = realloc(typestr, maxlen);
 114         }
 115
 116         if (typestr)
 117                 sprintf(typestr, "@%s[%d]", ti->name, ti->idx);
 118
 119         ti->idx++;
 120
 121         return typestr;
 122 }
 123
 124 static void uci_usage(void)
 125 {
 126         fprintf(stderr,
 127                 "Usage: %s [<options>] <command> [<arguments>]\n\n"
 128                 "Commands:\n"
 129                 "\tbatch\n"
 130                 "\texport     [<config>]\n"
 131                 "\timport     [<config>]\n"
 132                 "\tchanges    [<config>]\n"
 133                 "\tcommit     [<config>]\n"
 134                 "\tadd        <config> <section-type>\n"
 135                 "\tadd_list   <config>.<section>.<option>=<string>\n"
 136                 "\tdel_list   <config>.<section>.<option>=<string>\n"
 137                 "\tshow       [<config>[.<section>[.<option>]]]\n"
 138                 "\tget        <config>.<section>[.<option>]\n"
 139                 "\tset        <config>.<section>[.<option>]=<value>\n"
 140                 "\tdelete     <config>[.<section>[[.<option>][=<id>]]]\n"
 141                 "\trename     <config>.<section>[.<option>]=<name>\n"
 142                 "\trevert     <config>[.<section>[.<option>]]\n"
 143                 "\treorder    <config>.<section>=<position>\n"
 144                 "\n"
 145                 "Options:\n"
 146                 "\t-c <path>  set the search path for config files (default: /etc/config)\n"
 147                 "\t-d <str>   set the delimiter for list values in uci show\n"
 148                 "\t-f <file>  use <file> as input instead of stdin\n"
 149                 "\t-m         when importing, merge data into an existing package\n"
 150                 "\t-n         name unnamed sections on export (default)\n"
 151                 "\t-N         don't name unnamed sections\n"
 152                 "\t-p <path>  add a search path for config change files\n"
 153                 "\t-P <path>  add a search path for config change files and use as default\n"
 154                 "\t-q         quiet mode (don't print error messages)\n"
 155                 "\t-s         force strict mode (stop on parser errors, default)\n"
 156                 "\t-S         disable strict mode\n"
 157                 "\t-X         do not use extended syntax on 'show'\n"
 158                 "\n",
 159                 appname
 160         );
 161 }
 162
 163 static void cli_perror(void)
 164 {
 165         if (flags & CLI_FLAG_QUIET)
 166                 return;
 167
 168         uci_perror(ctx, appname);
 169 }
 170
 171 static void uci_print_value(FILE *f, const char *v)
 172 {
 173         fprintf(f, "'");
 174         while (*v) {
 175                 if (*v != '\'')
 176                         fputc(*v, f);
 177                 else
 178                         fprintf(f, "'\\''");
 179                 v++;
 180         }
 181         fprintf(f, "'");
 182 }
 183
 184 static void uci_show_value(struct uci_option *o, bool quote)
 185 {
 186         struct uci_element *e;
 187         bool sep = false;
 188         char *space;
 189
 190         switch(o->type) {
 191         case UCI_TYPE_STRING:
 192                 if (quote)
 193                         uci_print_value(stdout, o->v.string);
 194                 else
 195                         printf("%s", o->v.string);
 196                 printf("\n");
 197                 break;
 198         case UCI_TYPE_LIST:
 199                 uci_foreach_element(&o->v.list, e) {
 200                         printf("%s", (sep ? delimiter : ""));
 201                         space = strpbrk(e->name, " \t\r\n");
 202                         if (!space && !quote)
 203                                 printf("%s", e->name);
 204                         else
 205                                 uci_print_value(stdout, e->name);
 206                         sep = true;
 207                 }
 208                 printf("\n");
 209                 break;
 210         default:
 211                 printf("<unknown>\n");
 212                 break;
 213         }
 214 }
 215
 216 static void uci_show_option(struct uci_option *o, bool quote)
 217 {
 218         printf("%s.%s.%s=",
 219                 o->section->package->e.name,
 220                 (cur_section_ref ? cur_section_ref : o->section->e.name),
 221                 o->e.name);
 222         uci_show_value(o, quote);
 223 }
 224
 225 static void uci_show_section(struct uci_section *s)
 226 {
 227         struct uci_element *e;
 228         const char *cname;
 229         const char *sname;
 230
 231         cname = s->package->e.name;
 232         sname = (cur_section_ref ? cur_section_ref : s->e.name);
 233         printf("%s.%s=%s\n", cname, sname, s->type);
 234         uci_foreach_element(&s->options, e) {
 235                 uci_show_option(uci_to_option(e), true);
 236         }
 237 }
 238
 239 static void uci_show_package(struct uci_package *p)
 240 {
 241         struct uci_element *e;
 242
 243         uci_reset_typelist();
 244         uci_foreach_element( &p->sections, e) {
 245                 struct uci_section *s = uci_to_section(e);
 246                 cur_section_ref = uci_lookup_section_ref(s);
 247                 uci_show_section(s);
 248         }
 249         uci_reset_typelist();
 250 }
 251
 252 static void uci_show_changes(struct uci_package *p)
 253 {
 254         struct uci_element *e;
 255
 256         uci_foreach_element(&p->saved_delta, e) {
 257                 struct uci_delta *h = uci_to_delta(e);
 258                 char *prefix = "";
 259                 char *op = "=";
 260
 261                 switch(h->cmd) {
 262                 case UCI_CMD_REMOVE:
 263                         prefix = "-";
 264                         break;
 265                 case UCI_CMD_LIST_ADD:
 266                         op = "+=";
 267                         break;
 268                 case UCI_CMD_LIST_DEL:
 269                         op = "-=";
 270                         break;
 271                 default:
 272                         break;
 273                 }
 274                 printf("%s%s.%s", prefix, p->e.name, h->section);
 275                 if (e->name)
 276                         printf(".%s", e->name);
 277                 if (h->cmd != UCI_CMD_REMOVE) {
 278                         printf("%s", op);
 279                         uci_print_value(stdout, h->value);
 280                 }
 281                 printf("\n");
 282         }
 283 }
 284
 285 static int package_cmd(int cmd, char *tuple)
 286 {
 287         struct uci_element *e = NULL;
 288         struct uci_ptr ptr;
 289         int ret = 1;
 290
 291         if (uci_lookup_ptr(ctx, &ptr, tuple, true) != UCI_OK) {
 292                 cli_perror();
 293                 return 1;
 294         }
 295
 296         e = ptr.last;
 297         switch(cmd) {
 298         case CMD_CHANGES:
 299                 uci_show_changes(ptr.p);
 300                 break;
 301         case CMD_COMMIT:
 302                 if (flags & CLI_FLAG_NOCOMMIT) {
 303                         ret = 0;
 304                         goto out;
 305                 }
 306                 if (uci_commit(ctx, &ptr.p, false) != UCI_OK) {
 307                         cli_perror();
 308                 }
 309                 break;
 310         case CMD_EXPORT:
 311                 uci_export(ctx, stdout, ptr.p, true);
 312                 break;
 313         case CMD_SHOW:
 314                 if (!(ptr.flags & UCI_LOOKUP_COMPLETE)) {
 315                         ctx->err = UCI_ERR_NOTFOUND;
 316                         cli_perror();
 317                         goto out;
 318                 }
 319                 switch(e->type) {
 320                         case UCI_TYPE_PACKAGE:
 321                                 uci_show_package(ptr.p);
 322                                 break;
 323                         case UCI_TYPE_SECTION:
 324                                 uci_show_section(ptr.s);
 325                                 break;
 326                         case UCI_TYPE_OPTION:
 327                                 uci_show_option(ptr.o, true);
 328                                 break;
 329                         default:
 330                                 /* should not happen */
 331                                 goto out;
 332                 }
 333                 break;
 334         }
 335
 336 out:
 337         if (ptr.p)
 338                 uci_unload(ctx, ptr.p);
 339         return ret;
 340 }
 341
 342 static int uci_do_import(int argc, char **argv)
 343 {
 344         struct uci_package *package = NULL;
 345         char *name = NULL;
 346         int ret = UCI_OK;
 347         bool merge = false;
 348
 349         if (argc > 2)
 350                 return 255;
 351
 352         if (argc == 2)
 353                 name = argv[1];
 354         else if (flags & CLI_FLAG_MERGE)
 355                 /* need a package to merge */
 356                 return 255;
 357
 358         if (flags & CLI_FLAG_MERGE) {
 359                 if (uci_load(ctx, name, &package) != UCI_OK)
 360                         package = NULL;
 361                 else
 362                         merge = true;
 363         }
 364         ret = uci_import(ctx, input, name, &package, (name != NULL));
 365         if (ret == UCI_OK) {
 366                 if (merge) {
 367                         ret = uci_save(ctx, package);
 368                 } else {
 369                         struct uci_element *e;
 370                         /* loop through all config sections and overwrite existing data */
 371                         uci_foreach_element(&ctx->root, e) {
 372                                 struct uci_package *p = uci_to_package(e);
 373                                 ret = uci_commit(ctx, &p, true);
 374                         }
 375                 }
 376         }
 377
 378         if (ret != UCI_OK) {
 379                 cli_perror();
 380                 return 1;
 381         }
 382
 383         return 0;
 384 }
 385
 386 static int uci_do_package_cmd(int cmd, int argc, char **argv)
 387 {
 388         char **configs = NULL;
 389         char **p;
 390         int ret = 1;
 391
 392         if (argc > 2)
 393                 return 255;
 394
 395         if (argc == 2)
 396                 return package_cmd(cmd, argv[1]);
 397
 398         if ((uci_list_configs(ctx, &configs) != UCI_OK) || !configs) {
 399                 cli_perror();
 400                 goto out;
 401         }
 402
 403         for (p = configs; *p; p++) {
 404                 package_cmd(cmd, *p);
 405         }
 406
 407         ret = 0;
 408 out:
 409         free(configs);
 410         return ret;
 411 }
 412
 413 static int uci_do_add(int argc, char **argv)
 414 {
 415         struct uci_package *p = NULL;
 416         struct uci_section *s = NULL;
 417         int ret;
 418
 419         if (argc != 3)
 420                 return 255;
 421
 422         ret = uci_load(ctx, argv[1], &p);
 423         if (ret != UCI_OK)
 424                 goto done;
 425
 426         ret = uci_add_section(ctx, p, argv[2], &s);
 427         if (ret != UCI_OK)
 428                 goto done;
 429
 430         ret = uci_save(ctx, p);
 431
 432 done:
 433         if (ret != UCI_OK)
 434                 cli_perror();
 435         else if (s)
 436                 fprintf(stdout, "%s\n", s->e.name);
 437
 438         return ret;
 439 }
 440
 441 static int uci_do_section_cmd(int cmd, int argc, char **argv)
 442 {
 443         struct uci_element *e;
 444         struct uci_ptr ptr;
 445         int ret = UCI_OK;
 446         int dummy;
 447
 448         if (argc != 2)
 449                 return 255;
 450
 451         if (uci_lookup_ptr(ctx, &ptr, argv[1], true) != UCI_OK) {
 452                 cli_perror();
 453                 return 1;
 454         }
 455
 456         if (ptr.value && (cmd != CMD_SET) && (cmd != CMD_DEL) &&
 457             (cmd != CMD_ADD_LIST) && (cmd != CMD_DEL_LIST) &&
 458             (cmd != CMD_RENAME) && (cmd != CMD_REORDER))
 459                 return 1;
 460
 461         e = ptr.last;
 462         switch(cmd) {
 463         case CMD_GET:
 464                 if (!(ptr.flags & UCI_LOOKUP_COMPLETE)) {
 465                         ctx->err = UCI_ERR_NOTFOUND;
 466                         cli_perror();
 467                         return 1;
 468                 }
 469                 switch(e->type) {
 470                 case UCI_TYPE_SECTION:
 471                         printf("%s\n", ptr.s->type);
 472                         break;
 473                 case UCI_TYPE_OPTION:
 474                         uci_show_value(ptr.o, false);
 475                         break;
 476                 default:
 477                         break;
 478                 }
 479                 /* throw the value to stdout */
 480                 break;
 481         case CMD_RENAME:
 482                 ret = uci_rename(ctx, &ptr);
 483                 break;
 484         case CMD_REVERT:
 485                 ret = uci_revert(ctx, &ptr);
 486                 break;
 487         case CMD_SET:
 488                 ret = uci_set(ctx, &ptr);
 489                 break;
 490         case CMD_ADD_LIST:
 491                 ret = uci_add_list(ctx, &ptr);
 492                 break;
 493         case CMD_DEL_LIST:
 494                 ret = uci_del_list(ctx, &ptr);
 495                 break;
 496         case CMD_REORDER:
 497                 if (!ptr.s || !ptr.value) {
 498                         ctx->err = UCI_ERR_NOTFOUND;
 499                         cli_perror();
 500                         return 1;
 501                 }
 502                 ret = uci_reorder_section(ctx, ptr.s, strtoul(ptr.value, NULL, 10));
 503                 break;
 504         case CMD_DEL:
 505                 if (ptr.value && !sscanf(ptr.value, "%d", &dummy))
 506                         return 1;
 507                 ret = uci_delete(ctx, &ptr);
 508                 break;
 509         }
 510
 511         /* no save necessary for get */
 512         if ((cmd == CMD_GET) || (cmd == CMD_REVERT))
 513                 return 0;
 514
 515         /* save changes, but don't commit them yet */
 516         if (ret == UCI_OK)
 517                 ret = uci_save(ctx, ptr.p);
 518
 519         if (ret != UCI_OK) {
 520                 cli_perror();
 521                 return 1;
 522         }
 523
 524         return 0;
 525 }
 526
 527 static int uci_batch_cmd(void)
 528 {
 529         char *argv[MAX_ARGS + 2];
 530         char *str = NULL;
 531         int ret = 0;
 532         int i, j;
 533
 534         for(i = 0; i <= MAX_ARGS; i++) {
 535                 if (i == MAX_ARGS) {
 536                         fprintf(stderr, "Too many arguments\n");
 537                         return 1;
 538                 }
 539                 argv[i] = NULL;
 540                 if ((ret = uci_parse_argument(ctx, input, &str, &argv[i])) != UCI_OK) {
 541                         cli_perror();
 542                         i = 0;
 543                         break;
 544                 }
 545                 if (!argv[i][0])
 546                         break;
 547                 argv[i] = strdup(argv[i]);
 548                 if (!argv[i]) {
 549                         perror("uci");
 550                         return 1;
 551                 }
 552         }
 553         argv[i] = NULL;
 554
 555         if (i > 0) {
 556                 if (!strcasecmp(argv[0], "exit"))
 557                         return 254;
 558                 ret = uci_cmd(i, argv);
 559         } else
 560                 return 0;
 561
 562         for (j = 0; j < i; j++) {
 563                 free(argv[j]);
 564         }
 565
 566         return ret;
 567 }
 568
 569 static int uci_batch(void)
 570 {
 571         int ret = 0;
 572
 573         flags |= CLI_FLAG_BATCH;
 574         while (!feof(input)) {
 575                 struct uci_element *e, *tmp;
 576
 577                 ret = uci_batch_cmd();
 578                 if (ret == 254)
 579                         return 0;
 580                 else if (ret == 255)
 581                         fprintf(stderr, "Unknown command\n");
 582
 583                 /* clean up */
 584                 uci_foreach_element_safe(&ctx->root, tmp, e) {
 585                         uci_unload(ctx, uci_to_package(e));
 586                 }
 587         }
 588         flags &= ~CLI_FLAG_BATCH;
 589
 590         return 0;
 591 }
 592
 593 static int uci_cmd(int argc, char **argv)
 594 {
 595         int cmd = 0;
 596
 597         if (!strcasecmp(argv[0], "batch") && !(flags & CLI_FLAG_BATCH))
 598                 return uci_batch();
 599         else if (!strcasecmp(argv[0], "show"))
 600                 cmd = CMD_SHOW;
 601         else if (!strcasecmp(argv[0], "changes"))
 602                 cmd = CMD_CHANGES;
 603         else if (!strcasecmp(argv[0], "export"))
 604                 cmd = CMD_EXPORT;
 605         else if (!strcasecmp(argv[0], "commit"))
 606                 cmd = CMD_COMMIT;
 607         else if (!strcasecmp(argv[0], "get"))
 608                 cmd = CMD_GET;
 609         else if (!strcasecmp(argv[0], "set"))
 610                 cmd = CMD_SET;
 611         else if (!strcasecmp(argv[0], "ren") ||
 612                  !strcasecmp(argv[0], "rename"))
 613                 cmd = CMD_RENAME;
 614         else if (!strcasecmp(argv[0], "revert"))
 615                 cmd = CMD_REVERT;
 616         else if (!strcasecmp(argv[0], "reorder"))
 617                 cmd = CMD_REORDER;
 618         else if (!strcasecmp(argv[0], "del") ||
 619                  !strcasecmp(argv[0], "delete"))
 620                 cmd = CMD_DEL;
 621         else if (!strcasecmp(argv[0], "import"))
 622                 cmd = CMD_IMPORT;
 623         else if (!strcasecmp(argv[0], "help"))
 624                 cmd = CMD_HELP;
 625         else if (!strcasecmp(argv[0], "add"))
 626                 cmd = CMD_ADD;
 627         else if (!strcasecmp(argv[0], "add_list"))
 628                 cmd = CMD_ADD_LIST;
 629         else if (!strcasecmp(argv[0], "del_list"))
 630                 cmd = CMD_DEL_LIST;
 631         else
 632                 cmd = -1;
 633
 634         switch(cmd) {
 635                 case CMD_ADD_LIST:
 636                 case CMD_DEL_LIST:
 637                 case CMD_GET:
 638                 case CMD_SET:
 639                 case CMD_DEL:
 640                 case CMD_RENAME:
 641                 case CMD_REVERT:
 642                 case CMD_REORDER:
 643                         return uci_do_section_cmd(cmd, argc, argv);
 644                 case CMD_SHOW:
 645                 case CMD_EXPORT:
 646                 case CMD_COMMIT:
 647                 case CMD_CHANGES:
 648                         return uci_do_package_cmd(cmd, argc, argv);
 649                 case CMD_IMPORT:
 650                         return uci_do_import(argc, argv);
 651                 case CMD_ADD:
 652                         return uci_do_add(argc, argv);
 653                 case CMD_HELP:
 654                         uci_usage();
 655                         return 0;
 656                 default:
 657                         return 255;
 658         }
 659 }
 660
 661 int main(int argc, char **argv)
 662 {
 663         int ret;
 664         int c;
 665
 666         flags = CLI_FLAG_SHOW_EXT;
 667         appname = argv[0];
 668         input = stdin;
 669         ctx = uci_alloc_context();
 670         if (!ctx) {
 671                 fprintf(stderr, "Out of memory\n");
 672                 return 1;
 673         }
 674
 675         while((c = getopt(argc, argv, "c:d:f:LmnNp:P:sSqX")) != -1) {
 676                 switch(c) {
 677                         case 'c':
 678                                 uci_set_confdir(ctx, optarg);
 679                                 break;
 680                         case 'd':
 681                                 delimiter = optarg;
 682                                 break;
 683                         case 'f':
 684                                 if (input != stdin) {
 685                                         perror("uci");
 686                                         return 1;
 687                                 }
 688
 689                                 input = fopen(optarg, "r");
 690                                 if (!input) {
 691                                         perror("uci");
 692                                         return 1;
 693                                 }
 694                                 break;
 695                         case 'm':
 696                                 flags |= CLI_FLAG_MERGE;
 697                                 break;
 698                         case 's':
 699                                 ctx->flags |= UCI_FLAG_STRICT;
 700                                 break;
 701                         case 'S':
 702                                 ctx->flags &= ~UCI_FLAG_STRICT;
 703                                 ctx->flags |= UCI_FLAG_PERROR;
 704                                 break;
 705                         case 'n':
 706                                 ctx->flags |= UCI_FLAG_EXPORT_NAME;
 707                                 break;
 708                         case 'N':
 709                                 ctx->flags &= ~UCI_FLAG_EXPORT_NAME;
 710                                 break;
 711                         case 'p':
 712                                 uci_add_delta_path(ctx, optarg);
 713                                 break;
 714                         case 'P':
 715                                 uci_add_delta_path(ctx, ctx->savedir);
 716                                 uci_set_savedir(ctx, optarg);
 717                                 flags |= CLI_FLAG_NOCOMMIT;
 718                                 break;
 719                         case 'q':
 720                                 flags |= CLI_FLAG_QUIET;
 721                                 break;
 722                         case 'X':
 723                                 flags &= ~CLI_FLAG_SHOW_EXT;
 724                                 break;
 725                         default:
 726                                 uci_usage();
 727                                 return 0;
 728                 }
 729         }
 730         if (optind > 1)
 731                 argv[optind - 1] = argv[0];
 732         argv += optind - 1;
 733         argc -= optind - 1;
 734
 735         if (argc < 2) {
 736                 uci_usage();
 737                 return 0;
 738         }
 739
 740         ret = uci_cmd(argc - 1, argv + 1);
 741         if (input != stdin)
 742                 fclose(input);
 743
 744         if (ret == 255)
 745                 uci_usage();
 746
 747         uci_free_context(ctx);
 748
 749         return ret;
 750 }