winsup/utils/mkpasswd.c

   1 /* mkpasswd.c:
   2
   3    Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006,
   4    2008 Red Hat, Inc.
   5
   6    This file is part of Cygwin.
   7
   8    This software is a copyrighted work licensed under the terms of the
   9    Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
  10    details. */
  11
  12 #define _WIN32_WINNT 0x0600
  13 #include <ctype.h>
  14 #include <stdlib.h>
  15 #include <wchar.h>
  16 #include <stdio.h>
  17 #include <unistd.h>
  18 #include <getopt.h>
  19 #include <io.h>
  20 #include <sys/fcntl.h>
  21 #include <sys/cygwin.h>
  22 #include <windows.h>
  23 #include <lm.h>
  24 #include <iptypes.h>
  25 #include <wininet.h>
  26 #include <ntsecapi.h>
  27 #include <dsgetdc.h>
  28 #include <ntdef.h>
  29
  30 #define print_win_error(x) _print_win_error(x, __LINE__)
  31
  32 #define MAX_SID_LEN 40
  33
  34 static const char version[] = "$Revision$";
  35
  36 extern char *__progname;
  37
  38 SID_IDENTIFIER_AUTHORITY sid_world_auth = {SECURITY_WORLD_SID_AUTHORITY};
  39 SID_IDENTIFIER_AUTHORITY sid_nt_auth = {SECURITY_NT_AUTHORITY};
  40
  41 NET_API_STATUS WINAPI (*dsgetdcname)(LPWSTR,LPWSTR,GUID*,LPWSTR,ULONG,PDOMAIN_CONTROLLER_INFOW*);
  42
  43 #ifndef min
  44 #define min(a,b) (((a)<(b))?(a):(b))
  45 #endif
  46
  47 typedef struct
  48 {
  49   char *str;
  50   BOOL with_dom;
  51 } domlist_t;
  52
  53 void
  54 _print_win_error(DWORD code, int line)
  55 {
  56   char buf[4096];
  57
  58   if (FormatMessage (FORMAT_MESSAGE_FROM_SYSTEM
  59       | FORMAT_MESSAGE_IGNORE_INSERTS,
  60       NULL,
  61       code,
  62       MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
  63       (LPTSTR) buf, sizeof (buf), NULL))
  64     fprintf (stderr, "mkpasswd (%d): [%lu] %s", line, code, buf);
  65   else
  66     fprintf (stderr, "mkpasswd (%d): error %lu", line, code);
  67 }
  68
  69 void
  70 load_dsgetdcname ()
  71 {
  72   HANDLE h = LoadLibrary ("netapi32.dll");
  73
  74   if (h)
  75     dsgetdcname = (void *) GetProcAddress (h, "DsGetDcNameW");
  76 }
  77
  78 static PWCHAR
  79 get_dcname (char *domain)
  80 {
  81   static WCHAR server[INTERNET_MAX_HOST_NAME_LENGTH + 1];
  82   DWORD rc;
  83   PWCHAR servername;
  84   WCHAR domain_name[MAX_DOMAIN_NAME_LEN + 1];
  85   PDOMAIN_CONTROLLER_INFOW pdci = NULL;
  86
  87   if (dsgetdcname)
  88     {
  89       if (domain)
  90         {
  91           mbstowcs (domain_name, domain, strlen (domain) + 1);
  92           rc = dsgetdcname (NULL, domain_name, NULL, NULL, 0, &pdci);
  93         }
  94       else
  95         rc = dsgetdcname (NULL, NULL, NULL, NULL, 0, &pdci);
  96       if (rc != ERROR_SUCCESS)
  97         {
  98           print_win_error(rc);
  99           return (PWCHAR) -1;
 100         }
 101       wcscpy (server, pdci->DomainControllerName);
 102       NetApiBufferFree (pdci);
 103     }
 104   else
 105     {
 106       rc = NetGetDCName (NULL, NULL, (void *) &servername);
 107       if (rc == ERROR_SUCCESS && domain)
 108         {
 109           LPWSTR server = servername;
 110           mbstowcs (domain_name, domain, strlen (domain) + 1);
 111           rc = NetGetDCName (server, domain_name, (void *) &servername);
 112           NetApiBufferFree (server);
 113         }
 114       if (rc != ERROR_SUCCESS)
 115         {
 116           print_win_error(rc);
 117           return (PWCHAR) -1;
 118         }
 119       wcscpy (server, servername);
 120       NetApiBufferFree ((PVOID) servername);
 121     }
 122   return server;
 123 }
 124
 125 char *
 126 put_sid (PSID sid)
 127 {
 128   static char s[512];
 129   char t[32];
 130   DWORD i;
 131
 132   strcpy (s, "S-1-");
 133   sprintf(t, "%u", GetSidIdentifierAuthority (sid)->Value[5]);
 134   strcat (s, t);
 135   for (i = 0; i < *GetSidSubAuthorityCount (sid); ++i)
 136     {
 137       sprintf(t, "-%lu", *GetSidSubAuthority (sid, i));
 138       strcat (s, t);
 139     }
 140   return s;
 141 }
 142
 143 void
 144 psx_dir (char *in, char *out)
 145 {
 146   if (isalpha (in[0]) && in[1] == ':')
 147     {
 148       sprintf (out, "/cygdrive/%c", in[0]);
 149       in += 2;
 150       out += strlen (out);
 151     }
 152
 153   while (*in)
 154     {
 155       if (*in == '\\')
 156         *out = '/';
 157       else
 158         *out = *in;
 159       in++;
 160       out++;
 161     }
 162
 163   *out = '\0';
 164 }
 165
 166 void
 167 uni2ansi (LPWSTR wcs, char *mbs, int size)
 168 {
 169   if (wcs)
 170     wcstombs (mbs, wcs, size);
 171   else
 172     *mbs = '\0';
 173 }
 174
 175 void
 176 current_user (int print_cygpath, const char *sep, const char *passed_home_path,
 177               int id_offset, const char *disp_username)
 178 {
 179   DWORD len;
 180   HANDLE ptok;
 181   struct {
 182     PSID psid;
 183     int buffer[10];
 184   } tu, tg;
 185   char user[UNLEN + 1];
 186   char dom[MAX_DOMAIN_NAME_LEN + 1];
 187   DWORD ulen = UNLEN + 1;
 188   DWORD dlen = MAX_DOMAIN_NAME_LEN + 1;
 189   SID_NAME_USE acc_type;
 190   int uid, gid;
 191   char homedir_psx[PATH_MAX] = {0}, homedir_w32[MAX_PATH] = {0};
 192
 193   if (!OpenProcessToken (GetCurrentProcess (), TOKEN_QUERY, &ptok)
 194       || !GetTokenInformation (ptok, TokenUser, &tu, sizeof tu, &len)
 195       || !GetTokenInformation (ptok, TokenPrimaryGroup, &tg, sizeof tg, &len)
 196       || !CloseHandle (ptok)
 197       || !LookupAccountSidA (NULL, tu.psid, user, &ulen, dom, &dlen, &acc_type))
 198     {
 199       print_win_error (GetLastError ());
 200       return;
 201     }
 202
 203   uid = *GetSidSubAuthority (tu.psid, *GetSidSubAuthorityCount(tu.psid) - 1);
 204   gid = *GetSidSubAuthority (tg.psid, *GetSidSubAuthorityCount(tg.psid) - 1);
 205   if (passed_home_path[0] == '\0')
 206     {
 207       char *envhome = getenv ("HOME");
 208       char *envhomedrive = getenv ("HOMEDRIVE");
 209       char *envhomepath = getenv ("HOMEPATH");
 210
 211       if (envhome && envhome[0])
 212         {
 213           if (print_cygpath)
 214             cygwin_conv_path (CCP_WIN_A_TO_POSIX | CCP_ABSOLUTE, envhome,
 215                               homedir_psx, PATH_MAX);
 216           else
 217             psx_dir (envhome, homedir_psx);
 218         }
 219       else if (envhomepath && envhomepath[0])
 220         {
 221           if (envhomedrive)
 222             strlcpy (homedir_w32, envhomedrive, sizeof (homedir_w32));
 223           if (envhomepath[0] != '\\')
 224             strlcat (homedir_w32, "\\", sizeof (homedir_w32));
 225           strlcat (homedir_w32, envhomepath, sizeof (homedir_w32));
 226           if (print_cygpath)
 227             cygwin_conv_path (CCP_WIN_A_TO_POSIX | CCP_ABSOLUTE, homedir_w32,
 228                               homedir_psx, PATH_MAX);
 229           else
 230             psx_dir (homedir_w32, homedir_psx);
 231         }
 232       else
 233         {
 234           strlcpy (homedir_psx, "/home/", sizeof (homedir_psx));
 235           strlcat (homedir_psx, user, sizeof (homedir_psx));
 236         }
 237     }
 238   else
 239     {
 240       strlcpy (homedir_psx, passed_home_path, sizeof (homedir_psx));
 241       strlcat (homedir_psx, user, sizeof (homedir_psx));
 242     }
 243
 244   printf ("%s%s%s:unused:%u:%u:U-%s\\%s,%s:%s:/bin/bash\n",
 245           sep ? dom : "",
 246           sep ?: "",
 247           user,
 248           uid + id_offset,
 249           gid + id_offset,
 250           dom,
 251           user,
 252           put_sid (tu.psid),
 253           homedir_psx);
 254 }
 255
 256 int
 257 enum_users (BOOL domain, domlist_t *dom_or_machine, const char *sep,
 258             int print_cygpath, const char *passed_home_path, int id_offset,
 259             char *disp_username)
 260 {
 261   WCHAR machine[INTERNET_MAX_HOST_NAME_LENGTH + 1];
 262   PWCHAR servername = NULL;
 263   char *d_or_m = dom_or_machine ? dom_or_machine->str : NULL;
 264   BOOL with_dom = dom_or_machine ? dom_or_machine->with_dom : FALSE;
 265   USER_INFO_3 *buffer;
 266   DWORD entriesread = 0;
 267   DWORD totalentries = 0;
 268   DWORD resume_handle = 0;
 269   DWORD rc;
 270   WCHAR uni_name[UNLEN + 1];
 271
 272   if (domain)
 273     {
 274       servername = get_dcname (d_or_m);
 275       if (servername == (PWCHAR) -1)
 276         return 1;
 277     }
 278   else if (d_or_m)
 279     {
 280       int ret = mbstowcs (machine, d_or_m, INTERNET_MAX_HOST_NAME_LENGTH + 1);
 281       if (ret < 1 || ret >= INTERNET_MAX_HOST_NAME_LENGTH + 1)
 282         {
 283           fprintf (stderr, "%s: Invalid machine name '%s'.  Skipping...\n",
 284                    __progname, d_or_m);
 285           return 1;
 286         }
 287       servername = machine;
 288     }
 289
 290   do
 291     {
 292       DWORD i;
 293
 294       if (disp_username != NULL)
 295         {
 296           mbstowcs (uni_name, disp_username, UNLEN + 1);
 297           rc = NetUserGetInfo (servername, (LPWSTR) &uni_name, 3,
 298                                (void *) &buffer);
 299           entriesread = 1;
 300         }
 301       else
 302         rc = NetUserEnum (servername, 3, FILTER_NORMAL_ACCOUNT,
 303                           (void *) &buffer, MAX_PREFERRED_LENGTH,
 304                           &entriesread, &totalentries, &resume_handle);
 305       switch (rc)
 306         {
 307         case ERROR_ACCESS_DENIED:
 308           print_win_error(rc);
 309           return 1;
 310
 311         case ERROR_MORE_DATA:
 312         case ERROR_SUCCESS:
 313           break;
 314
 315         default:
 316           print_win_error(rc);
 317           return 1;
 318         }
 319
 320       for (i = 0; i < entriesread; i++)
 321         {
 322           char homedir_psx[PATH_MAX];
 323           char homedir_w32[MAX_PATH];
 324           WCHAR domain_name[MAX_DOMAIN_NAME_LEN + 1];
 325           DWORD domname_len = MAX_DOMAIN_NAME_LEN + 1;
 326           char psid_buffer[MAX_SID_LEN];
 327           PSID psid = (PSID) psid_buffer;
 328           DWORD sid_length = MAX_SID_LEN;
 329           SID_NAME_USE acc_type;
 330
 331           int uid = buffer[i].usri3_user_id;
 332           int gid = buffer[i].usri3_primary_group_id;
 333           homedir_w32[0] = homedir_psx[0] = '\0';
 334           if (passed_home_path[0] == '\0')
 335             {
 336               uni2ansi (buffer[i].usri3_home_dir, homedir_w32,
 337                         sizeof (homedir_w32));
 338               if (homedir_w32[0] != '\0')
 339                 {
 340                   if (print_cygpath)
 341                     cygwin_conv_path (CCP_WIN_A_TO_POSIX | CCP_ABSOLUTE,
 342                                       homedir_w32, homedir_psx, PATH_MAX);
 343                   else
 344                     psx_dir (homedir_w32, homedir_psx);
 345                 }
 346               else
 347                 uni2ansi (buffer[i].usri3_name,
 348                           stpcpy (homedir_psx, "/home/"), PATH_MAX - 6);
 349             }
 350           else
 351             uni2ansi (buffer[i].usri3_name,
 352                       stpcpy (homedir_psx, passed_home_path),
 353                       PATH_MAX - strlen (passed_home_path));
 354
 355           if (!LookupAccountNameW (servername, buffer[i].usri3_name,
 356                                    psid, &sid_length, domain_name,
 357                                    &domname_len, &acc_type))
 358             {
 359               print_win_error(GetLastError ());
 360               fprintf(stderr, " (%ls)\n", buffer[i].usri3_name);
 361               continue;
 362             }
 363           else if (acc_type == SidTypeDomain)
 364             {
 365               WCHAR domname[MAX_DOMAIN_NAME_LEN + UNLEN + 2];
 366
 367               wcscpy (domname, domain_name);
 368               wcscat (domname, L"\\");
 369               wcscat (domname, buffer[i].usri3_name);
 370               sid_length = MAX_SID_LEN;
 371               domname_len = sizeof (domname);
 372               if (!LookupAccountNameW (servername, domname, psid,
 373                                        &sid_length, domain_name,
 374                                        &domname_len, &acc_type))
 375                 {
 376                   print_win_error(GetLastError ());
 377                   fprintf(stderr, " (%ls)\n", domname);
 378                   continue;
 379                 }
 380             }
 381
 382           printf ("%ls%s%ls:unused:%u:%u:%ls%sU-%ls\\%ls,%s:%s:/bin/bash\n",
 383                   with_dom ? domain_name : L"",
 384                   with_dom ? sep : "",
 385                   buffer[i].usri3_name,
 386                   uid + id_offset,
 387                   gid + id_offset,
 388                   buffer[i].usri3_full_name ?: L"",
 389                   buffer[i].usri3_full_name
 390                   && buffer[i].usri3_full_name[0] ? "," : "",
 391                   domain_name,
 392                   buffer[i].usri3_name,
 393                   put_sid (psid),
 394                   homedir_psx);
 395         }
 396
 397       NetApiBufferFree (buffer);
 398
 399     }
 400   while (rc == ERROR_MORE_DATA);
 401
 402   return 0;
 403 }
 404
 405 void
 406 print_special (PSID_IDENTIFIER_AUTHORITY auth, BYTE cnt,
 407                DWORD sub1, DWORD sub2, DWORD sub3, DWORD sub4,
 408                DWORD sub5, DWORD sub6, DWORD sub7, DWORD sub8)
 409 {
 410   char name[UNLEN + 1], dom[MAX_DOMAIN_NAME_LEN + 1];
 411   DWORD len, len2, rid;
 412   PSID sid;
 413   SID_NAME_USE use;
 414
 415   if (AllocateAndInitializeSid (auth, cnt, sub1, sub2, sub3, sub4,
 416                                 sub5, sub6, sub7, sub8, &sid))
 417     {
 418       if (LookupAccountSid (NULL, sid,
 419                             name, (len = UNLEN + 1, &len),
 420                             dom, (len2 = MAX_DOMAIN_NAME_LEN + 1, &len),
 421                             &use))
 422         {
 423           if (sub8)
 424             rid = sub8;
 425           else if (sub7)
 426             rid = sub7;
 427           else if (sub6)
 428             rid = sub6;
 429           else if (sub5)
 430             rid = sub5;
 431           else if (sub4)
 432             rid = sub4;
 433           else if (sub3)
 434             rid = sub3;
 435           else if (sub2)
 436             rid = sub2;
 437           else
 438             rid = sub1;
 439           printf ("%s:*:%lu:%lu:,%s::\n",
 440                   name, rid, rid == 18 ? 544 : rid, /* SYSTEM hack */
 441                   put_sid (sid));
 442         }
 443       FreeSid (sid);
 444     }
 445 }
 446
 447 int
 448 usage (FILE * stream)
 449 {
 450   fprintf (stream,
 451 "Usage: mkpasswd [OPTIONS]...\n"
 452 "Print /etc/passwd file to stdout\n"
 453 "\n"
 454 "Options:\n"
 455 "   -l,--local [machine]    print local user accounts (from local machine\n"
 456 "                           if no machine specified)\n"
 457 "   -L,--Local [machine]    ditto, but generate username with machine prefix\n"
 458 "   -d,--domain [domain]    print domain accounts (from current domain\n"
 459 "                           if no domain specified)\n"
 460 "   -D,--Domain [domain]    ditto, but generate username with domain prefix\n"
 461 "   -c,--current            print current user\n"
 462 "   -C,--Current            ditto, but generate username with machine or\n"
 463 "                           domain prefix\n"
 464 "   -S,--separator char     for -L, -D, -C use character char as domain\\user\n"
 465 "                           separator in username instead of the default '\\'\n"
 466 "   -o,--id-offset offset   change the default offset (10000) added to uids\n"
 467 "                           in domain or foreign server accounts.\n"
 468 "   -u,--username username  only return information for the specified user\n"
 469 "                           one of -l, -L, -d, -D must be specified, too\n"
 470 "   -p,--path-to-home path  use specified path instead of user account home dir\n"
 471 "                           or /home prefix\n"
 472 "   -m,--no-mount           don't use mount points for home dir\n"
 473 "   -s,--no-sids            (ignored)\n"
 474 "   -g,--local-groups       (ignored)\n"
 475 "   -h,--help               displays this message\n"
 476 "   -v,--version            version information and exit\n"
 477 "\n"
 478 "Default is to print local accounts on stand-alone machines, domain accounts\n"
 479 "on domain controllers and domain member machines.\n");
 480   return 1;
 481 }
 482
 483 struct option longopts[] = {
 484   {"current", no_argument, NULL, 'c'},
 485   {"Current", no_argument, NULL, 'C'},
 486   {"domain", optional_argument, NULL, 'd'},
 487   {"Domain", optional_argument, NULL, 'D'},
 488   {"local-groups", no_argument, NULL, 'g'},
 489   {"help", no_argument, NULL, 'h'},
 490   {"local", optional_argument, NULL, 'l'},
 491   {"Local", optional_argument, NULL, 'L'},
 492   {"no-mount", no_argument, NULL, 'm'},
 493   {"id-offset", required_argument, NULL, 'o'},
 494   {"path-to-home", required_argument, NULL, 'p'},
 495   {"no-sids", no_argument, NULL, 's'},
 496   {"separator", required_argument, NULL, 'S'},
 497   {"username", required_argument, NULL, 'u'},
 498   {"version", no_argument, NULL, 'v'},
 499   {0, no_argument, NULL, 0}
 500 };
 501
 502 char opts[] = "cCd::D::ghl::L::mo:sS:p:u:v";
 503
 504 static void
 505 print_version ()
 506 {
 507   const char *v = strchr (version, ':');
 508   int len;
 509   if (!v)
 510     {
 511       v = "?";
 512       len = 1;
 513     }
 514   else
 515     {
 516       v += 2;
 517       len = strchr (v, ' ') - v;
 518     }
 519   printf ("\
 520 mkpasswd (cygwin) %.*s\n\
 521 passwd File Generator\n\
 522 Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006, 2008 Red Hat, Inc.\n\
 523 Compiled on %s\n\
 524 ", len, v, __DATE__);
 525 }
 526
 527 static void
 528 enum_std_accounts ()
 529 {
 530   /* Generate service starter account entries. */
 531   printf ("SYSTEM:*:18:544:,S-1-5-18::\n");
 532   printf ("LocalService:*:19:544:U-NT AUTHORITY\\LocalService,S-1-5-19::\n");
 533   printf ("NetworkService:*:20:544:U-NT AUTHORITY\\NetworkService,S-1-5-20::\n");
 534   /* Get 'administrators' group (has localized name). */
 535   print_special (&sid_nt_auth, 2, SECURITY_BUILTIN_DOMAIN_RID,
 536                  DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0);
 537 }
 538
 539 static PPOLICY_PRIMARY_DOMAIN_INFO p_dom;
 540
 541 static BOOL
 542 fetch_primary_domain ()
 543 {
 544   NTSTATUS status;
 545   LSA_OBJECT_ATTRIBUTES oa = { 0, 0, 0, 0, 0, 0 };
 546   LSA_HANDLE lsa;
 547
 548   if (!p_dom)
 549     {
 550       status = LsaOpenPolicy (NULL, &oa, POLICY_VIEW_LOCAL_INFORMATION, &lsa);
 551       if (!NT_SUCCESS (status))
 552         return FALSE;
 553       status = LsaQueryInformationPolicy (lsa, PolicyPrimaryDomainInformation,
 554                                           (PVOID *) &p_dom);
 555       LsaClose (lsa);
 556       if (!NT_SUCCESS (status))
 557         return FALSE;
 558     }
 559   return !!p_dom->Sid;
 560 }
 561
 562 int
 563 main (int argc, char **argv)
 564 {
 565   int print_local = 0;
 566   domlist_t locals[16];
 567   int print_domain = 0;
 568   domlist_t domains[16];
 569   char *opt;
 570   int print_cygpath = 1;
 571   int print_current = 0;
 572   const char *sep_char = "\\";
 573   int id_offset = 10000;
 574   int c, i, off;
 575   char *disp_username = NULL;
 576   char passed_home_path[PATH_MAX];
 577   BOOL in_domain;
 578
 579   passed_home_path[0] = '\0';
 580   if (!isatty (1))
 581     setmode (1, O_BINARY);
 582
 583   load_dsgetdcname ();
 584   in_domain = fetch_primary_domain ();
 585   if (argc == 1)
 586     {
 587       enum_std_accounts ();
 588       if (in_domain)
 589         enum_users (TRUE, NULL, sep_char, print_cygpath, passed_home_path,
 590                     10000, disp_username);
 591       else
 592         enum_users (FALSE, NULL, sep_char, print_cygpath, passed_home_path, 0,
 593                     disp_username);
 594       return 0;
 595     }
 596
 597   while ((c = getopt_long (argc, argv, opts, longopts, NULL)) != EOF)
 598     switch (c)
 599       {
 600       case 'l':
 601       case 'L':
 602         if (print_local >= 16)
 603           {
 604             fprintf (stderr, "%s: Can not enumerate from more than 16 "
 605                              "servers.\n", __progname);
 606             return 1;
 607           }
 608         opt = optarg ?:
 609               argv[optind] && argv[optind][0] != '-' ? argv[optind] : NULL;
 610         for (i = 0; i < print_local; ++i)
 611           if ((!locals[i].str && !opt)
 612               || (locals[i].str && opt && !strcmp (locals[i].str, opt)))
 613             goto skip_local;
 614         locals[print_local].str = opt;
 615         locals[print_local++].with_dom = c == 'L';
 616 skip_local:
 617         break;
 618       case 'd':
 619       case 'D':
 620         if (print_domain >= 16)
 621           {
 622             fprintf (stderr, "%s: Can not enumerate from more than 16 "
 623                              "domains.\n", __progname);
 624             return 1;
 625           }
 626         opt = optarg ?:
 627               argv[optind] && argv[optind][0] != '-' ? argv[optind] : NULL;
 628         for (i = 0; i < print_domain; ++i)
 629           if ((!domains[i].str && !opt)
 630               || (domains[i].str && opt && !strcmp (domains[i].str, opt)))
 631             goto skip_domain;
 632         domains[print_domain].str = opt;
 633         domains[print_domain++].with_dom = c == 'D';
 634 skip_domain:
 635         break;
 636       case 'S':
 637         sep_char = optarg;
 638         if (strlen (sep_char) > 1)
 639           {
 640             fprintf (stderr, "%s: Only one character allowed as domain\\user "
 641                              "separator character.\n", __progname);
 642             return 1;
 643           }
 644         if (*sep_char == ':')
 645           {
 646             fprintf (stderr, "%s: Colon not allowed as domain\\user separator "
 647                              "character.\n", __progname);
 648             return 1;
 649           }
 650         break;
 651       case 'c':
 652         sep_char = NULL;
 653         /*FALLTHRU*/
 654       case 'C':
 655         print_current = 1;
 656         break;
 657       case 'o':
 658         id_offset = strtol (optarg, NULL, 10);
 659         break;
 660       case 'g':
 661         break;
 662       case 's':
 663         break;
 664       case 'm':
 665         print_cygpath = 0;
 666         break;
 667       case 'p':
 668         if (optarg[0] != '/')
 669         {
 670           fprintf (stderr, "%s: '%s' is not a fully qualified path.\n",
 671                    __progname, optarg);
 672           return 1;
 673         }
 674         strcpy (passed_home_path, optarg);
 675         if (optarg[strlen (optarg)-1] != '/')
 676           strcat (passed_home_path, "/");
 677         break;
 678       case 'u':
 679         disp_username = optarg;
 680         break;
 681       case 'h':
 682         usage (stdout);
 683         return 0;
 684       case 'v':
 685         print_version ();
 686         return 0;
 687       default:
 688         fprintf (stderr, "Try '%s --help' for more information.\n", __progname);
 689         return 1;
 690       }
 691
 692   if (optind < argc - 1)
 693     usage (stdout);
 694
 695   off = 1;
 696   for (i = 0; i < print_local; ++i)
 697     {
 698       if (locals[i].str)
 699         enum_users (FALSE, locals + i, sep_char, print_cygpath,
 700                     passed_home_path, id_offset * off++, disp_username);
 701       else
 702         {
 703           enum_std_accounts ();
 704           enum_users (FALSE, locals + i, sep_char, print_cygpath,
 705                       passed_home_path, 0, disp_username);
 706         }
 707     }
 708
 709   for (i = 0; i < print_domain; ++i)
 710     enum_users (TRUE, domains + i, sep_char, print_cygpath, passed_home_path,
 711                 id_offset * off++, disp_username);
 712
 713   if (print_current)
 714     current_user (print_cygpath, sep_char, passed_home_path, id_offset, disp_username);
 715
 716   return 0;
 717 }