cmdline.c

   1 /*
   2   File autogenerated by gengetopt version 2.19.1
   3   generated with the following command:
   4   gengetopt -uCOMMAND --set-version=0.4
   5
   6   The developers of gengetopt consider the fixed text that goes in all
   7   gengetopt output files to be in the public domain:
   8   we make no copyright claims on it.
   9 */
  10
  11 /* If we use autoconf.  */
  12 #ifdef HAVE_CONFIG_H
  13 #include "config.h"
  14 #endif
  15
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18 #include <string.h>
  19
  20 #include "getopt.h"
  21
  22 #include "cmdline.h"
  23
  24 const char *gengetopt_args_info_purpose = "";
  25
  26 const char *gengetopt_args_info_usage = "Usage: untie [OPTIONS]... [COMMAND]...";
  27
  28 const char *gengetopt_args_info_description = "";
  29
  30 const char *gengetopt_args_info_help[] = {
  31   "  -h, --help                  Print help and exit",
  32   "  -V, --version               Print version and exit",
  33   "      --mount                 New mount namespace  (default=off)",
  34   "      --uname                 New uname  (default=off)",
  35   "      --ipc                   New IPC context  (default=off)",
  36   "      --userns                New user namespace  (default=off)",
  37   "      --pidns                 New PID namespace  (default=off)",
  38   "      --netns                 New network namespace  (default=off)",
  39   "      --mask=MASK             Pass user defined flag",
  40   "      --chroot=DIRECTORY      Chroot in the specified directory",
  41   "      --uid=UID               Change to the specified UID",
  42   "      --username=USERNAME     Change to the specified username",
  43   "      --gid=GID               Add the specified GID",
  44   "      --groupname=GROUP       Add the specified group",
  45   "      --daemonize             Run as daemon  (default=off)",
  46   "      --alarm=SECONDS         Set an alarm after the specified delay",
  47   "      --nice=NICE             Run as the specified nice level",
  48   "      --sched=SCHED           Use the specified (possibly RT) scheduling policy",
  49   "      --schedprio=PRIO        Set the priority according to the given scheduler",
  50   "      --timeout-term=SECONDS  Delay before sending a SIGTERM to the process",
  51   "      --timeout-kill=SECONDS  Delay before sending a SIGKILL to the process",
  52     0
  53 };
  54
  55 static
  56 void clear_given (struct gengetopt_args_info *args_info);
  57 static
  58 void clear_args (struct gengetopt_args_info *args_info);
  59
  60 static int
  61 cmdline_parser_internal (int argc, char * const *argv, struct gengetopt_args_info *args_info, int override, int initialize, int check_required, const char *additional_error);
  62
  63 static int
  64 cmdline_parser_required2 (struct gengetopt_args_info *args_info, const char *prog_name, const char *additional_error);
  65
  66 struct int_list
  67 {
  68   int arg;
  69   char *orig;
  70   struct int_list * next;
  71 };
  72
  73 struct string_list
  74 {
  75   char * arg;
  76   char *orig;
  77   struct string_list * next;
  78 };
  79
  80 static char *
  81 gengetopt_strdup (const char *s);
  82
  83 static
  84 void clear_given (struct gengetopt_args_info *args_info)
  85 {
  86   args_info->help_given = 0 ;
  87   args_info->version_given = 0 ;
  88   args_info->mount_given = 0 ;
  89   args_info->uname_given = 0 ;
  90   args_info->ipc_given = 0 ;
  91   args_info->userns_given = 0 ;
  92   args_info->pidns_given = 0 ;
  93   args_info->netns_given = 0 ;
  94   args_info->mask_given = 0 ;
  95   args_info->chroot_given = 0 ;
  96   args_info->uid_given = 0 ;
  97   args_info->username_given = 0 ;
  98   args_info->gid_given = 0 ;
  99   args_info->groupname_given = 0 ;
 100   args_info->daemonize_given = 0 ;
 101   args_info->alarm_given = 0 ;
 102   args_info->nice_given = 0 ;
 103   args_info->sched_given = 0 ;
 104   args_info->schedprio_given = 0 ;
 105   args_info->timeout_term_given = 0 ;
 106   args_info->timeout_kill_given = 0 ;
 107 }
 108
 109 static
 110 void clear_args (struct gengetopt_args_info *args_info)
 111 {
 112   args_info->mount_flag = 0;
 113   args_info->uname_flag = 0;
 114   args_info->ipc_flag = 0;
 115   args_info->userns_flag = 0;
 116   args_info->pidns_flag = 0;
 117   args_info->netns_flag = 0;
 118   args_info->mask_arg = NULL;
 119   args_info->mask_orig = NULL;
 120   args_info->chroot_arg = NULL;
 121   args_info->chroot_orig = NULL;
 122   args_info->uid_orig = NULL;
 123   args_info->username_arg = NULL;
 124   args_info->username_orig = NULL;
 125   args_info->gid_arg = NULL;
 126   args_info->gid_orig = NULL;
 127   args_info->groupname_arg = NULL;
 128   args_info->groupname_orig = NULL;
 129   args_info->daemonize_flag = 0;
 130   args_info->alarm_orig = NULL;
 131   args_info->nice_orig = NULL;
 132   args_info->sched_arg = NULL;
 133   args_info->sched_orig = NULL;
 134   args_info->schedprio_orig = NULL;
 135   args_info->timeout_term_orig = NULL;
 136   args_info->timeout_kill_orig = NULL;
 137
 138 }
 139
 140 static
 141 void init_args_info(struct gengetopt_args_info *args_info)
 142 {
 143   args_info->help_help = gengetopt_args_info_help[0] ;
 144   args_info->version_help = gengetopt_args_info_help[1] ;
 145   args_info->mount_help = gengetopt_args_info_help[2] ;
 146   args_info->uname_help = gengetopt_args_info_help[3] ;
 147   args_info->ipc_help = gengetopt_args_info_help[4] ;
 148   args_info->userns_help = gengetopt_args_info_help[5] ;
 149   args_info->pidns_help = gengetopt_args_info_help[6] ;
 150   args_info->netns_help = gengetopt_args_info_help[7] ;
 151   args_info->mask_help = gengetopt_args_info_help[8] ;
 152   args_info->mask_min = -1;
 153   args_info->mask_max = -1;
 154   args_info->chroot_help = gengetopt_args_info_help[9] ;
 155   args_info->uid_help = gengetopt_args_info_help[10] ;
 156   args_info->username_help = gengetopt_args_info_help[11] ;
 157   args_info->gid_help = gengetopt_args_info_help[12] ;
 158   args_info->gid_min = -1;
 159   args_info->gid_max = -1;
 160   args_info->groupname_help = gengetopt_args_info_help[13] ;
 161   args_info->groupname_min = -1;
 162   args_info->groupname_max = -1;
 163   args_info->daemonize_help = gengetopt_args_info_help[14] ;
 164   args_info->alarm_help = gengetopt_args_info_help[15] ;
 165   args_info->nice_help = gengetopt_args_info_help[16] ;
 166   args_info->sched_help = gengetopt_args_info_help[17] ;
 167   args_info->schedprio_help = gengetopt_args_info_help[18] ;
 168   args_info->timeout_term_help = gengetopt_args_info_help[19] ;
 169   args_info->timeout_kill_help = gengetopt_args_info_help[20] ;
 170
 171 }
 172
 173 void
 174 cmdline_parser_print_version (void)
 175 {
 176   printf ("%s %s\n", CMDLINE_PARSER_PACKAGE, CMDLINE_PARSER_VERSION);
 177 }
 178
 179 void
 180 cmdline_parser_print_help (void)
 181 {
 182   int i = 0;
 183   cmdline_parser_print_version ();
 184
 185   if (strlen(gengetopt_args_info_purpose) > 0)
 186     printf("\n%s\n", gengetopt_args_info_purpose);
 187
 188   printf("\n%s\n\n", gengetopt_args_info_usage);
 189
 190   if (strlen(gengetopt_args_info_description) > 0)
 191     printf("%s\n", gengetopt_args_info_description);
 192
 193   while (gengetopt_args_info_help[i])
 194     printf("%s\n", gengetopt_args_info_help[i++]);
 195 }
 196
 197 void
 198 cmdline_parser_init (struct gengetopt_args_info *args_info)
 199 {
 200   clear_given (args_info);
 201   clear_args (args_info);
 202   init_args_info (args_info);
 203
 204   args_info->inputs = NULL;
 205   args_info->inputs_num = 0;
 206 }
 207
 208 static void
 209 cmdline_parser_release (struct gengetopt_args_info *args_info)
 210 {
 211
 212   unsigned int i;
 213   if (args_info->mask_arg)
 214     {
 215       for (i = 0; i < args_info->mask_given; ++i)
 216         {
 217           if (args_info->mask_orig [i])
 218             {
 219               free (args_info->mask_orig [i]); /* free previous argument */
 220               args_info->mask_orig [i] = 0;
 221             }
 222         }
 223       free (args_info->mask_arg); /* free previous argument */
 224       args_info->mask_arg = 0;
 225       free (args_info->mask_orig); /* free previous argument */
 226       args_info->mask_orig = 0;
 227     }
 228   if (args_info->chroot_arg)
 229     {
 230       free (args_info->chroot_arg); /* free previous argument */
 231       args_info->chroot_arg = 0;
 232     }
 233   if (args_info->chroot_orig)
 234     {
 235       free (args_info->chroot_orig); /* free previous argument */
 236       args_info->chroot_orig = 0;
 237     }
 238   if (args_info->uid_orig)
 239     {
 240       free (args_info->uid_orig); /* free previous argument */
 241       args_info->uid_orig = 0;
 242     }
 243   if (args_info->username_arg)
 244     {
 245       free (args_info->username_arg); /* free previous argument */
 246       args_info->username_arg = 0;
 247     }
 248   if (args_info->username_orig)
 249     {
 250       free (args_info->username_orig); /* free previous argument */
 251       args_info->username_orig = 0;
 252     }
 253   if (args_info->gid_arg)
 254     {
 255       for (i = 0; i < args_info->gid_given; ++i)
 256         {
 257           if (args_info->gid_orig [i])
 258             {
 259               free (args_info->gid_orig [i]); /* free previous argument */
 260               args_info->gid_orig [i] = 0;
 261             }
 262         }
 263       free (args_info->gid_arg); /* free previous argument */
 264       args_info->gid_arg = 0;
 265       free (args_info->gid_orig); /* free previous argument */
 266       args_info->gid_orig = 0;
 267     }
 268   if (args_info->groupname_arg)
 269     {
 270       for (i = 0; i < args_info->groupname_given; ++i)
 271         {
 272           if (args_info->groupname_arg [i])
 273             {
 274               free (args_info->groupname_arg [i]); /* free previous argument */
 275               args_info->groupname_arg [i] = 0;
 276             }
 277           if (args_info->groupname_orig [i])
 278             {
 279               free (args_info->groupname_orig [i]); /* free previous argument */
 280               args_info->groupname_orig [i] = 0;
 281             }
 282         }
 283       if (args_info->groupname_arg [0])
 284         free (args_info->groupname_arg [0]); /* free default string */
 285       free (args_info->groupname_arg); /* free previous argument */
 286       args_info->groupname_arg = 0;
 287       free (args_info->groupname_orig); /* free previous argument */
 288       args_info->groupname_orig = 0;
 289     }
 290   if (args_info->alarm_orig)
 291     {
 292       free (args_info->alarm_orig); /* free previous argument */
 293       args_info->alarm_orig = 0;
 294     }
 295   if (args_info->nice_orig)
 296     {
 297       free (args_info->nice_orig); /* free previous argument */
 298       args_info->nice_orig = 0;
 299     }
 300   if (args_info->sched_arg)
 301     {
 302       free (args_info->sched_arg); /* free previous argument */
 303       args_info->sched_arg = 0;
 304     }
 305   if (args_info->sched_orig)
 306     {
 307       free (args_info->sched_orig); /* free previous argument */
 308       args_info->sched_orig = 0;
 309     }
 310   if (args_info->schedprio_orig)
 311     {
 312       free (args_info->schedprio_orig); /* free previous argument */
 313       args_info->schedprio_orig = 0;
 314     }
 315   if (args_info->timeout_term_orig)
 316     {
 317       free (args_info->timeout_term_orig); /* free previous argument */
 318       args_info->timeout_term_orig = 0;
 319     }
 320   if (args_info->timeout_kill_orig)
 321     {
 322       free (args_info->timeout_kill_orig); /* free previous argument */
 323       args_info->timeout_kill_orig = 0;
 324     }
 325
 326   for (i = 0; i < args_info->inputs_num; ++i)
 327     free (args_info->inputs [i]);
 328
 329   if (args_info->inputs_num)
 330     free (args_info->inputs);
 331
 332   clear_given (args_info);
 333 }
 334
 335 int
 336 cmdline_parser_file_save(const char *filename, struct gengetopt_args_info *args_info)
 337 {
 338   FILE *outfile;
 339   int i = 0;
 340
 341   outfile = fopen(filename, "w");
 342
 343   if (!outfile)
 344     {
 345       fprintf (stderr, "%s: cannot open file for writing: %s\n", CMDLINE_PARSER_PACKAGE, filename);
 346       return EXIT_FAILURE;
 347     }
 348
 349   if (args_info->help_given) {
 350     fprintf(outfile, "%s\n", "help");
 351   }
 352   if (args_info->version_given) {
 353     fprintf(outfile, "%s\n", "version");
 354   }
 355   if (args_info->mount_given) {
 356     fprintf(outfile, "%s\n", "mount");
 357   }
 358   if (args_info->uname_given) {
 359     fprintf(outfile, "%s\n", "uname");
 360   }
 361   if (args_info->ipc_given) {
 362     fprintf(outfile, "%s\n", "ipc");
 363   }
 364   if (args_info->userns_given) {
 365     fprintf(outfile, "%s\n", "userns");
 366   }
 367   if (args_info->pidns_given) {
 368     fprintf(outfile, "%s\n", "pidns");
 369   }
 370   if (args_info->netns_given) {
 371     fprintf(outfile, "%s\n", "netns");
 372   }
 373   if (args_info->mask_orig)
 374     {
 375       for (i = 0; i < args_info->mask_given; ++i)
 376         {
 377           if (args_info->mask_orig [i])
 378             {
 379               fprintf(outfile, "%s=\"%s\"\n", "mask", args_info->mask_orig [i]);
 380             }
 381         }
 382     }
 383   if (args_info->chroot_given) {
 384     if (args_info->chroot_orig) {
 385       fprintf(outfile, "%s=\"%s\"\n", "chroot", args_info->chroot_orig);
 386     } else {
 387       fprintf(outfile, "%s\n", "chroot");
 388     }
 389   }
 390   if (args_info->uid_given) {
 391     if (args_info->uid_orig) {
 392       fprintf(outfile, "%s=\"%s\"\n", "uid", args_info->uid_orig);
 393     } else {
 394       fprintf(outfile, "%s\n", "uid");
 395     }
 396   }
 397   if (args_info->username_given) {
 398     if (args_info->username_orig) {
 399       fprintf(outfile, "%s=\"%s\"\n", "username", args_info->username_orig);
 400     } else {
 401       fprintf(outfile, "%s\n", "username");
 402     }
 403   }
 404   if (args_info->gid_orig)
 405     {
 406       for (i = 0; i < args_info->gid_given; ++i)
 407         {
 408           if (args_info->gid_orig [i])
 409             {
 410               fprintf(outfile, "%s=\"%s\"\n", "gid", args_info->gid_orig [i]);
 411             }
 412         }
 413     }
 414   if (args_info->groupname_orig)
 415     {
 416       for (i = 0; i < args_info->groupname_given; ++i)
 417         {
 418           if (args_info->groupname_orig [i])
 419             {
 420               fprintf(outfile, "%s=\"%s\"\n", "groupname", args_info->groupname_orig [i]);
 421             }
 422         }
 423     }
 424   if (args_info->daemonize_given) {
 425     fprintf(outfile, "%s\n", "daemonize");
 426   }
 427   if (args_info->alarm_given) {
 428     if (args_info->alarm_orig) {
 429       fprintf(outfile, "%s=\"%s\"\n", "alarm", args_info->alarm_orig);
 430     } else {
 431       fprintf(outfile, "%s\n", "alarm");
 432     }
 433   }
 434   if (args_info->nice_given) {
 435     if (args_info->nice_orig) {
 436       fprintf(outfile, "%s=\"%s\"\n", "nice", args_info->nice_orig);
 437     } else {
 438       fprintf(outfile, "%s\n", "nice");
 439     }
 440   }
 441   if (args_info->sched_given) {
 442     if (args_info->sched_orig) {
 443       fprintf(outfile, "%s=\"%s\"\n", "sched", args_info->sched_orig);
 444     } else {
 445       fprintf(outfile, "%s\n", "sched");
 446     }
 447   }
 448   if (args_info->schedprio_given) {
 449     if (args_info->schedprio_orig) {
 450       fprintf(outfile, "%s=\"%s\"\n", "schedprio", args_info->schedprio_orig);
 451     } else {
 452       fprintf(outfile, "%s\n", "schedprio");
 453     }
 454   }
 455   if (args_info->timeout_term_given) {
 456     if (args_info->timeout_term_orig) {
 457       fprintf(outfile, "%s=\"%s\"\n", "timeout-term", args_info->timeout_term_orig);
 458     } else {
 459       fprintf(outfile, "%s\n", "timeout-term");
 460     }
 461   }
 462   if (args_info->timeout_kill_given) {
 463     if (args_info->timeout_kill_orig) {
 464       fprintf(outfile, "%s=\"%s\"\n", "timeout-kill", args_info->timeout_kill_orig);
 465     } else {
 466       fprintf(outfile, "%s\n", "timeout-kill");
 467     }
 468   }
 469
 470   fclose (outfile);
 471
 472   i = EXIT_SUCCESS;
 473   return i;
 474 }
 475
 476 void
 477 cmdline_parser_free (struct gengetopt_args_info *args_info)
 478 {
 479   cmdline_parser_release (args_info);
 480 }
 481
 482
 483 /* gengetopt_strdup() */
 484 /* strdup.c replacement of strdup, which is not standard */
 485 char *
 486 gengetopt_strdup (const char *s)
 487 {
 488   char *result = NULL;
 489   if (!s)
 490     return result;
 491
 492   result = (char*)malloc(strlen(s) + 1);
 493   if (result == (char*)0)
 494     return (char*)0;
 495   strcpy(result, s);
 496   return result;
 497 }
 498
 499 static char *
 500 get_multiple_arg_token(const char *arg)
 501 {
 502   char *tok, *ret;
 503   size_t len, num_of_escape;
 504   int i, j;
 505
 506   if (!arg)
 507     return NULL;
 508
 509   tok = strchr (arg, ',');
 510   num_of_escape = 0;
 511
 512   /* make sure it is not escaped */
 513   while (tok)
 514     {
 515       if (*(tok-1) == '\\')
 516         {
 517           /* find the next one */
 518           tok = strchr (tok+1, ',');
 519           ++num_of_escape;
 520         }
 521       else
 522         break;
 523     }
 524
 525   if (tok)
 526     len = (size_t)(tok - arg + 1);
 527   else
 528     len = strlen (arg) + 1;
 529
 530   len -= num_of_escape;
 531
 532   ret = (char *) malloc (len);
 533
 534   i = 0;
 535   j = 0;
 536   while (arg[i] && (j < len-1))
 537     {
 538       if (arg[i] == '\\')
 539         ++i;
 540
 541       ret[j++] = arg[i++];
 542     }
 543
 544   ret[len-1] = '\0';
 545
 546   return ret;
 547 }
 548
 549 static char *
 550 get_multiple_arg_token_next(const char *arg)
 551 {
 552   char *tok;
 553
 554   if (!arg)
 555     return NULL;
 556
 557   tok = strchr (arg, ',');
 558
 559   /* make sure it is not escaped */
 560   while (tok)
 561     {
 562       if (*(tok-1) == '\\')
 563         {
 564           /* find the next one */
 565           tok = strchr (tok+1, ',');
 566         }
 567       else
 568         break;
 569     }
 570
 571   if (! tok || strlen(tok) == 1)
 572     return 0;
 573
 574   return tok+1;
 575 }
 576
 577 static int
 578 check_multiple_option_occurrences(const char *prog_name, unsigned int option_given, int min, int max, const char *option_desc);
 579
 580 int
 581 check_multiple_option_occurrences(const char *prog_name, unsigned int option_given, int min, int max, const char *option_desc)
 582 {
 583   int error = 0;
 584
 585   if (option_given && ! (min < 0 && max < 0))
 586     {
 587       if (min >= 0 && max >= 0)
 588         {
 589           if (min == max)
 590             {
 591               /* specific occurrences */
 592               if (option_given != min)
 593                 {
 594                   fprintf (stderr, "%s: %s option occurrences must be %d\n",
 595                     prog_name, option_desc, min);
 596                   error = 1;
 597                 }
 598             }
 599           else if (option_given < min
 600               || option_given > max)
 601             {
 602               /* range occurrences */
 603               fprintf (stderr, "%s: %s option occurrences must be between %d and %d\n",
 604                 prog_name, option_desc, min, max);
 605               error = 1;
 606             }
 607         }
 608       else if (min >= 0)
 609         {
 610           /* at least check */
 611           if (option_given < min)
 612             {
 613               fprintf (stderr, "%s: %s option occurrences must be at least %d\n",
 614                 prog_name, option_desc, min);
 615               error = 1;
 616             }
 617         }
 618       else if (max >= 0)
 619         {
 620           /* at most check */
 621           if (option_given > max)
 622             {
 623               fprintf (stderr, "%s: %s option occurrences must be at most %d\n",
 624                 prog_name, option_desc, max);
 625               error = 1;
 626             }
 627         }
 628     }
 629
 630   return error;
 631 }
 632 int
 633 cmdline_parser (int argc, char * const *argv, struct gengetopt_args_info *args_info)
 634 {
 635   return cmdline_parser2 (argc, argv, args_info, 0, 1, 1);
 636 }
 637
 638 int
 639 cmdline_parser2 (int argc, char * const *argv, struct gengetopt_args_info *args_info, int override, int initialize, int check_required)
 640 {
 641   int result;
 642
 643   result = cmdline_parser_internal (argc, argv, args_info, override, initialize, check_required, NULL);
 644
 645   if (result == EXIT_FAILURE)
 646     {
 647       cmdline_parser_free (args_info);
 648       exit (EXIT_FAILURE);
 649     }
 650
 651   return result;
 652 }
 653
 654 int
 655 cmdline_parser_required (struct gengetopt_args_info *args_info, const char *prog_name)
 656 {
 657   int result = EXIT_SUCCESS;
 658
 659   if (cmdline_parser_required2(args_info, prog_name, NULL) > 0)
 660     result = EXIT_FAILURE;
 661
 662   if (result == EXIT_FAILURE)
 663     {
 664       cmdline_parser_free (args_info);
 665       exit (EXIT_FAILURE);
 666     }
 667
 668   return result;
 669 }
 670
 671 int
 672 cmdline_parser_required2 (struct gengetopt_args_info *args_info, const char *prog_name, const char *additional_error)
 673 {
 674   int error = 0;
 675
 676   /* checks for required options */
 677   if (check_multiple_option_occurrences(prog_name, args_info->mask_given, args_info->mask_min, args_info->mask_max, "'--mask'"))
 678      error = 1;
 679
 680   if (check_multiple_option_occurrences(prog_name, args_info->gid_given, args_info->gid_min, args_info->gid_max, "'--gid'"))
 681      error = 1;
 682
 683   if (check_multiple_option_occurrences(prog_name, args_info->groupname_given, args_info->groupname_min, args_info->groupname_max, "'--groupname'"))
 684      error = 1;
 685
 686
 687   /* checks for dependences among options */
 688
 689   return error;
 690 }
 691
 692 int
 693 cmdline_parser_internal (int argc, char * const *argv, struct gengetopt_args_info *args_info, int override, int initialize, int check_required, const char *additional_error)
 694 {
 695   int c;        /* Character of the parsed option.  */
 696   char *multi_token, *multi_next; /* for multiple options */
 697
 698   int i;        /* Counter */
 699
 700   struct int_list * mask_list = NULL,* mask_new = NULL;
 701   struct int_list * gid_list = NULL,* gid_new = NULL;
 702   struct string_list * groupname_list = NULL,* groupname_new = NULL;
 703   int error = 0;
 704   struct gengetopt_args_info local_args_info;
 705
 706   if (initialize)
 707     cmdline_parser_init (args_info);
 708
 709   cmdline_parser_init (&local_args_info);
 710
 711   optarg = 0;
 712   optind = 0;
 713   opterr = 1;
 714   optopt = '?';
 715
 716   while (1)
 717     {
 718       int option_index = 0;
 719       char *stop_char;
 720
 721       static struct option long_options[] = {
 722         { "help",       0, NULL, 'h' },
 723         { "version",    0, NULL, 'V' },
 724         { "mount",      0, NULL, 0 },
 725         { "uname",      0, NULL, 0 },
 726         { "ipc",        0, NULL, 0 },
 727         { "userns",     0, NULL, 0 },
 728         { "pidns",      0, NULL, 0 },
 729         { "netns",      0, NULL, 0 },
 730         { "mask",       1, NULL, 0 },
 731         { "chroot",     1, NULL, 0 },
 732         { "uid",        1, NULL, 0 },
 733         { "username",   1, NULL, 0 },
 734         { "gid",        1, NULL, 0 },
 735         { "groupname",  1, NULL, 0 },
 736         { "daemonize",  0, NULL, 0 },
 737         { "alarm",      1, NULL, 0 },
 738         { "nice",       1, NULL, 0 },
 739         { "sched",      1, NULL, 0 },
 740         { "schedprio",  1, NULL, 0 },
 741         { "timeout-term",       1, NULL, 0 },
 742         { "timeout-kill",       1, NULL, 0 },
 743         { NULL, 0, NULL, 0 }
 744       };
 745
 746       stop_char = 0;
 747       c = getopt_long (argc, argv, "hV", long_options, &option_index);
 748
 749       if (c == -1) break;       /* Exit from `while (1)' loop.  */
 750
 751       switch (c)
 752         {
 753         case 'h':       /* Print help and exit.  */
 754           cmdline_parser_print_help ();
 755           cmdline_parser_free (&local_args_info);
 756           exit (EXIT_SUCCESS);
 757
 758         case 'V':       /* Print version and exit.  */
 759           cmdline_parser_print_version ();
 760           cmdline_parser_free (&local_args_info);
 761           exit (EXIT_SUCCESS);
 762
 763
 764         case 0: /* Long option with no short option */
 765           /* New mount namespace.  */
 766           if (strcmp (long_options[option_index].name, "mount") == 0)
 767           {
 768             if (local_args_info.mount_given)
 769               {
 770                 fprintf (stderr, "%s: `--mount' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
 771                 goto failure;
 772               }
 773             if (args_info->mount_given && ! override)
 774               continue;
 775             local_args_info.mount_given = 1;
 776             args_info->mount_given = 1;
 777             args_info->mount_flag = !(args_info->mount_flag);
 778           }
 779           /* New uname.  */
 780           else if (strcmp (long_options[option_index].name, "uname") == 0)
 781           {
 782             if (local_args_info.uname_given)
 783               {
 784                 fprintf (stderr, "%s: `--uname' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
 785                 goto failure;
 786               }
 787             if (args_info->uname_given && ! override)
 788               continue;
 789             local_args_info.uname_given = 1;
 790             args_info->uname_given = 1;
 791             args_info->uname_flag = !(args_info->uname_flag);
 792           }
 793           /* New IPC context.  */
 794           else if (strcmp (long_options[option_index].name, "ipc") == 0)
 795           {
 796             if (local_args_info.ipc_given)
 797               {
 798                 fprintf (stderr, "%s: `--ipc' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
 799                 goto failure;
 800               }
 801             if (args_info->ipc_given && ! override)
 802               continue;
 803             local_args_info.ipc_given = 1;
 804             args_info->ipc_given = 1;
 805             args_info->ipc_flag = !(args_info->ipc_flag);
 806           }
 807           /* New user namespace.  */
 808           else if (strcmp (long_options[option_index].name, "userns") == 0)
 809           {
 810             if (local_args_info.userns_given)
 811               {
 812                 fprintf (stderr, "%s: `--userns' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
 813                 goto failure;
 814               }
 815             if (args_info->userns_given && ! override)
 816               continue;
 817             local_args_info.userns_given = 1;
 818             args_info->userns_given = 1;
 819             args_info->userns_flag = !(args_info->userns_flag);
 820           }
 821           /* New PID namespace.  */
 822           else if (strcmp (long_options[option_index].name, "pidns") == 0)
 823           {
 824             if (local_args_info.pidns_given)
 825               {
 826                 fprintf (stderr, "%s: `--pidns' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
 827                 goto failure;
 828               }
 829             if (args_info->pidns_given && ! override)
 830               continue;
 831             local_args_info.pidns_given = 1;
 832             args_info->pidns_given = 1;
 833             args_info->pidns_flag = !(args_info->pidns_flag);
 834           }
 835           /* New network namespace.  */
 836           else if (strcmp (long_options[option_index].name, "netns") == 0)
 837           {
 838             if (local_args_info.netns_given)
 839               {
 840                 fprintf (stderr, "%s: `--netns' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
 841                 goto failure;
 842               }
 843             if (args_info->netns_given && ! override)
 844               continue;
 845             local_args_info.netns_given = 1;
 846             args_info->netns_given = 1;
 847             args_info->netns_flag = !(args_info->netns_flag);
 848           }
 849           /* Pass user defined flag.  */
 850           else if (strcmp (long_options[option_index].name, "mask") == 0)
 851           {
 852             local_args_info.mask_given++;
 853
 854             multi_token = get_multiple_arg_token(optarg);
 855             multi_next = get_multiple_arg_token_next (optarg);
 856
 857             while (1)
 858               {
 859                 mask_new = (struct int_list *) malloc (sizeof (struct int_list));
 860                 mask_new->next = mask_list;
 861                 mask_list = mask_new;
 862                 mask_new->arg = strtol (multi_token, &stop_char, 0);
 863                 if (!(stop_char && *stop_char == '\0')) {
 864                   fprintf(stderr, "%s: invalid numeric value: %s\n", argv[0], multi_token);
 865                   goto failure;
 866                 }
 867                 mask_new->orig = multi_token;
 868
 869                 if (multi_next)
 870                   {
 871                     multi_token = get_multiple_arg_token(multi_next);
 872                     multi_next = get_multiple_arg_token_next (multi_next);
 873                     local_args_info.mask_given++;
 874                   }
 875                 else
 876                   break;
 877               }
 878             break;
 879           }
 880           /* Chroot in the specified directory.  */
 881           else if (strcmp (long_options[option_index].name, "chroot") == 0)
 882           {
 883             if (local_args_info.chroot_given)
 884               {
 885                 fprintf (stderr, "%s: `--chroot' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
 886                 goto failure;
 887               }
 888             if (args_info->chroot_given && ! override)
 889               continue;
 890             local_args_info.chroot_given = 1;
 891             args_info->chroot_given = 1;
 892             if (args_info->chroot_arg)
 893               free (args_info->chroot_arg); /* free previous string */
 894             args_info->chroot_arg = gengetopt_strdup (optarg);
 895             if (args_info->chroot_orig)
 896               free (args_info->chroot_orig); /* free previous string */
 897             args_info->chroot_orig = gengetopt_strdup (optarg);
 898           }
 899           /* Change to the specified UID.  */
 900           else if (strcmp (long_options[option_index].name, "uid") == 0)
 901           {
 902             if (local_args_info.uid_given)
 903               {
 904                 fprintf (stderr, "%s: `--uid' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
 905                 goto failure;
 906               }
 907             if (args_info->uid_given && ! override)
 908               continue;
 909             local_args_info.uid_given = 1;
 910             args_info->uid_given = 1;
 911             args_info->uid_arg = strtol (optarg, &stop_char, 0);
 912             if (!(stop_char && *stop_char == '\0')) {
 913               fprintf(stderr, "%s: invalid numeric value: %s\n", argv[0], optarg);
 914               goto failure;
 915             }
 916             if (args_info->uid_orig)
 917               free (args_info->uid_orig); /* free previous string */
 918             args_info->uid_orig = gengetopt_strdup (optarg);
 919           }
 920           /* Change to the specified username.  */
 921           else if (strcmp (long_options[option_index].name, "username") == 0)
 922           {
 923             if (local_args_info.username_given)
 924               {
 925                 fprintf (stderr, "%s: `--username' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
 926                 goto failure;
 927               }
 928             if (args_info->username_given && ! override)
 929               continue;
 930             local_args_info.username_given = 1;
 931             args_info->username_given = 1;
 932             if (args_info->username_arg)
 933               free (args_info->username_arg); /* free previous string */
 934             args_info->username_arg = gengetopt_strdup (optarg);
 935             if (args_info->username_orig)
 936               free (args_info->username_orig); /* free previous string */
 937             args_info->username_orig = gengetopt_strdup (optarg);
 938           }
 939           /* Add the specified GID.  */
 940           else if (strcmp (long_options[option_index].name, "gid") == 0)
 941           {
 942             local_args_info.gid_given++;
 943
 944             multi_token = get_multiple_arg_token(optarg);
 945             multi_next = get_multiple_arg_token_next (optarg);
 946
 947             while (1)
 948               {
 949                 gid_new = (struct int_list *) malloc (sizeof (struct int_list));
 950                 gid_new->next = gid_list;
 951                 gid_list = gid_new;
 952                 gid_new->arg = strtol (multi_token, &stop_char, 0);
 953                 if (!(stop_char && *stop_char == '\0')) {
 954                   fprintf(stderr, "%s: invalid numeric value: %s\n", argv[0], multi_token);
 955                   goto failure;
 956                 }
 957                 gid_new->orig = multi_token;
 958
 959                 if (multi_next)
 960                   {
 961                     multi_token = get_multiple_arg_token(multi_next);
 962                     multi_next = get_multiple_arg_token_next (multi_next);
 963                     local_args_info.gid_given++;
 964                   }
 965                 else
 966                   break;
 967               }
 968             break;
 969           }
 970           /* Add the specified group.  */
 971           else if (strcmp (long_options[option_index].name, "groupname") == 0)
 972           {
 973             local_args_info.groupname_given++;
 974
 975             multi_token = get_multiple_arg_token(optarg);
 976             multi_next = get_multiple_arg_token_next (optarg);
 977
 978             while (1)
 979               {
 980                 groupname_new = (struct string_list *) malloc (sizeof (struct string_list));
 981                 groupname_new->next = groupname_list;
 982                 groupname_list = groupname_new;
 983                 groupname_new->arg = gengetopt_strdup (multi_token);
 984                 groupname_new->orig = multi_token;
 985
 986                 if (multi_next)
 987                   {
 988                     multi_token = get_multiple_arg_token(multi_next);
 989                     multi_next = get_multiple_arg_token_next (multi_next);
 990                     local_args_info.groupname_given++;
 991                   }
 992                 else
 993                   break;
 994               }
 995             break;
 996           }
 997           /* Run as daemon.  */
 998           else if (strcmp (long_options[option_index].name, "daemonize") == 0)
 999           {
1000             if (local_args_info.daemonize_given)
1001               {
1002                 fprintf (stderr, "%s: `--daemonize' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
1003                 goto failure;
1004               }
1005             if (args_info->daemonize_given && ! override)
1006               continue;
1007             local_args_info.daemonize_given = 1;
1008             args_info->daemonize_given = 1;
1009             args_info->daemonize_flag = !(args_info->daemonize_flag);
1010           }
1011           /* Set an alarm after the specified delay.  */
1012           else if (strcmp (long_options[option_index].name, "alarm") == 0)
1013           {
1014             if (local_args_info.alarm_given)
1015               {
1016                 fprintf (stderr, "%s: `--alarm' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
1017                 goto failure;
1018               }
1019             if (args_info->alarm_given && ! override)
1020               continue;
1021             local_args_info.alarm_given = 1;
1022             args_info->alarm_given = 1;
1023             args_info->alarm_arg = strtol (optarg, &stop_char, 0);
1024             if (!(stop_char && *stop_char == '\0')) {
1025               fprintf(stderr, "%s: invalid numeric value: %s\n", argv[0], optarg);
1026               goto failure;
1027             }
1028             if (args_info->alarm_orig)
1029               free (args_info->alarm_orig); /* free previous string */
1030             args_info->alarm_orig = gengetopt_strdup (optarg);
1031           }
1032           /* Run as the specified nice level.  */
1033           else if (strcmp (long_options[option_index].name, "nice") == 0)
1034           {
1035             if (local_args_info.nice_given)
1036               {
1037                 fprintf (stderr, "%s: `--nice' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
1038                 goto failure;
1039               }
1040             if (args_info->nice_given && ! override)
1041               continue;
1042             local_args_info.nice_given = 1;
1043             args_info->nice_given = 1;
1044             args_info->nice_arg = strtol (optarg, &stop_char, 0);
1045             if (!(stop_char && *stop_char == '\0')) {
1046               fprintf(stderr, "%s: invalid numeric value: %s\n", argv[0], optarg);
1047               goto failure;
1048             }
1049             if (args_info->nice_orig)
1050               free (args_info->nice_orig); /* free previous string */
1051             args_info->nice_orig = gengetopt_strdup (optarg);
1052           }
1053           /* Use the specified (possibly RT) scheduling policy.  */
1054           else if (strcmp (long_options[option_index].name, "sched") == 0)
1055           {
1056             if (local_args_info.sched_given)
1057               {
1058                 fprintf (stderr, "%s: `--sched' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
1059                 goto failure;
1060               }
1061             if (args_info->sched_given && ! override)
1062               continue;
1063             local_args_info.sched_given = 1;
1064             args_info->sched_given = 1;
1065             if (args_info->sched_arg)
1066               free (args_info->sched_arg); /* free previous string */
1067             args_info->sched_arg = gengetopt_strdup (optarg);
1068             if (args_info->sched_orig)
1069               free (args_info->sched_orig); /* free previous string */
1070             args_info->sched_orig = gengetopt_strdup (optarg);
1071           }
1072           /* Set the priority according to the given scheduler.  */
1073           else if (strcmp (long_options[option_index].name, "schedprio") == 0)
1074           {
1075             if (local_args_info.schedprio_given)
1076               {
1077                 fprintf (stderr, "%s: `--schedprio' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
1078                 goto failure;
1079               }
1080             if (args_info->schedprio_given && ! override)
1081               continue;
1082             local_args_info.schedprio_given = 1;
1083             args_info->schedprio_given = 1;
1084             args_info->schedprio_arg = strtol (optarg, &stop_char, 0);
1085             if (!(stop_char && *stop_char == '\0')) {
1086               fprintf(stderr, "%s: invalid numeric value: %s\n", argv[0], optarg);
1087               goto failure;
1088             }
1089             if (args_info->schedprio_orig)
1090               free (args_info->schedprio_orig); /* free previous string */
1091             args_info->schedprio_orig = gengetopt_strdup (optarg);
1092           }
1093           /* Delay before sending a SIGTERM to the process.  */
1094           else if (strcmp (long_options[option_index].name, "timeout-term") == 0)
1095           {
1096             if (local_args_info.timeout_term_given)
1097               {
1098                 fprintf (stderr, "%s: `--timeout-term' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
1099                 goto failure;
1100               }
1101             if (args_info->timeout_term_given && ! override)
1102               continue;
1103             local_args_info.timeout_term_given = 1;
1104             args_info->timeout_term_given = 1;
1105             args_info->timeout_term_arg = strtod (optarg, &stop_char);
1106             if (!(stop_char && *stop_char == '\0')) {
1107               fprintf(stderr, "%s: invalid numeric value: %s\n", argv[0], optarg);
1108               goto failure;
1109             }
1110             if (args_info->timeout_term_orig)
1111               free (args_info->timeout_term_orig); /* free previous string */
1112             args_info->timeout_term_orig = gengetopt_strdup (optarg);
1113           }
1114           /* Delay before sending a SIGKILL to the process.  */
1115           else if (strcmp (long_options[option_index].name, "timeout-kill") == 0)
1116           {
1117             if (local_args_info.timeout_kill_given)
1118               {
1119                 fprintf (stderr, "%s: `--timeout-kill' option given more than once%s\n", argv[0], (additional_error ? additional_error : ""));
1120                 goto failure;
1121               }
1122             if (args_info->timeout_kill_given && ! override)
1123               continue;
1124             local_args_info.timeout_kill_given = 1;
1125             args_info->timeout_kill_given = 1;
1126             args_info->timeout_kill_arg = strtod (optarg, &stop_char);
1127             if (!(stop_char && *stop_char == '\0')) {
1128               fprintf(stderr, "%s: invalid numeric value: %s\n", argv[0], optarg);
1129               goto failure;
1130             }
1131             if (args_info->timeout_kill_orig)
1132               free (args_info->timeout_kill_orig); /* free previous string */
1133             args_info->timeout_kill_orig = gengetopt_strdup (optarg);
1134           }
1135
1136           break;
1137         case '?':       /* Invalid option.  */
1138           /* `getopt_long' already printed an error message.  */
1139           goto failure;
1140
1141         default:        /* bug: option not considered.  */
1142           fprintf (stderr, "%s: option unknown: %c%s\n", CMDLINE_PARSER_PACKAGE, c, (additional_error ? additional_error : ""));
1143           abort ();
1144         } /* switch */
1145     } /* while */
1146
1147
1148   if (local_args_info.mask_given && mask_list)
1149     {
1150       struct int_list *tmp;
1151       args_info->mask_arg = (int *) realloc (args_info->mask_arg, (args_info->mask_given + local_args_info.mask_given) * sizeof (int));
1152       args_info->mask_orig = (char **) realloc (args_info->mask_orig, (args_info->mask_given + local_args_info.mask_given) * sizeof (char *));
1153       for (i = (local_args_info.mask_given - 1); i >= 0; --i)
1154         {
1155           tmp = mask_list;
1156           args_info->mask_arg [i + args_info->mask_given] = mask_list->arg;
1157           args_info->mask_orig [i + args_info->mask_given] = mask_list->orig;
1158           mask_list = mask_list->next;
1159           free (tmp);
1160         }
1161     }
1162
1163   if (local_args_info.gid_given && gid_list)
1164     {
1165       struct int_list *tmp;
1166       args_info->gid_arg = (int *) realloc (args_info->gid_arg, (args_info->gid_given + local_args_info.gid_given) * sizeof (int));
1167       args_info->gid_orig = (char **) realloc (args_info->gid_orig, (args_info->gid_given + local_args_info.gid_given) * sizeof (char *));
1168       for (i = (local_args_info.gid_given - 1); i >= 0; --i)
1169         {
1170           tmp = gid_list;
1171           args_info->gid_arg [i + args_info->gid_given] = gid_list->arg;
1172           args_info->gid_orig [i + args_info->gid_given] = gid_list->orig;
1173           gid_list = gid_list->next;
1174           free (tmp);
1175         }
1176     }
1177
1178   if (local_args_info.groupname_given && groupname_list)
1179     {
1180       struct string_list *tmp;
1181       args_info->groupname_arg = (char * *) realloc (args_info->groupname_arg, (args_info->groupname_given + local_args_info.groupname_given) * sizeof (char *));
1182       args_info->groupname_orig = (char **) realloc (args_info->groupname_orig, (args_info->groupname_given + local_args_info.groupname_given) * sizeof (char *));
1183       for (i = (local_args_info.groupname_given - 1); i >= 0; --i)
1184         {
1185           tmp = groupname_list;
1186           args_info->groupname_arg [i + args_info->groupname_given] = groupname_list->arg;
1187           args_info->groupname_orig [i + args_info->groupname_given] = groupname_list->orig;
1188           groupname_list = groupname_list->next;
1189           free (tmp);
1190         }
1191     }
1192
1193
1194   args_info->mask_given += local_args_info.mask_given;
1195   local_args_info.mask_given = 0;
1196   args_info->gid_given += local_args_info.gid_given;
1197   local_args_info.gid_given = 0;
1198   args_info->groupname_given += local_args_info.groupname_given;
1199   local_args_info.groupname_given = 0;
1200
1201   if (check_required)
1202     {
1203       error += cmdline_parser_required2 (args_info, argv[0], additional_error);
1204     }
1205
1206   cmdline_parser_release (&local_args_info);
1207
1208   if ( error )
1209     return (EXIT_FAILURE);
1210
1211   if (optind < argc)
1212     {
1213       int i = 0 ;
1214       int found_prog_name = 0;
1215       /* whether program name, i.e., argv[0], is in the remaining args
1216          (this may happen with some implementations of getopt,
1217           but surely not with the one included by gengetopt) */
1218
1219       i = optind;
1220       while (i < argc)
1221         if (argv[i++] == argv[0]) {
1222           found_prog_name = 1;
1223           break;
1224         }
1225       i = 0;
1226
1227       args_info->inputs_num = argc - optind - found_prog_name;
1228       args_info->inputs =
1229         (char **)(malloc ((args_info->inputs_num)*sizeof(char *))) ;
1230       while (optind < argc)
1231         if (argv[optind++] != argv[0])
1232           args_info->inputs[ i++ ] = gengetopt_strdup (argv[optind-1]) ;
1233     }
1234
1235   return 0;
1236
1237 failure:
1238   if (mask_list)
1239     {
1240       struct int_list *tmp;
1241       while (mask_list)
1242         {
1243           tmp = mask_list;
1244           free (mask_list->orig);
1245           mask_list = mask_list->next;
1246           free (tmp);
1247         }
1248     }
1249   if (gid_list)
1250     {
1251       struct int_list *tmp;
1252       while (gid_list)
1253         {
1254           tmp = gid_list;
1255           free (gid_list->orig);
1256           gid_list = gid_list->next;
1257           free (tmp);
1258         }
1259     }
1260   if (groupname_list)
1261     {
1262       struct string_list *tmp;
1263       while (groupname_list)
1264         {
1265           tmp = groupname_list;
1266           free (groupname_list->arg);
1267           free (groupname_list->orig);
1268           groupname_list = groupname_list->next;
1269           free (tmp);
1270         }
1271     }
1272
1273   cmdline_parser_release (&local_args_info);
1274   return (EXIT_FAILURE);
1275 }