source3/utils/pdbedit.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    passdb editing frontend
   4    Version 3.0
   5
   6    Copyright (C) Simo Sorce      2000
   7    Copyright (C) Andrew Bartlett 2001
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #include "includes.h"
  25
  26 extern pstring global_myname;
  27 extern BOOL AllowDebugChange;
  28
  29 /*
  30  * Next two lines needed for SunOS and don't
  31  * hurt anything else...
  32  */
  33 extern char *optarg;
  34 extern int optind;
  35
  36 /*********************************************************
  37  Print command usage on stderr and die.
  38 **********************************************************/
  39 static void usage(void)
  40 {
  41         if (getuid() == 0) {
  42                 printf("pdbedit options\n");
  43         } else {
  44                 printf("You need to be root to use this tool!\n");
  45         }
  46         printf("(actually to add a user you need to use smbpasswd)\n");
  47         printf("options:\n");
  48         printf("  -l                   list usernames\n");
  49         printf("     -v                verbose output\n");
  50         printf("     -w                smbpasswd file style\n");
  51         printf("  -u username          print user's info\n");
  52         printf("     -f fullname       set Full Name\n");
  53         printf("     -h homedir        set home directory\n");
  54         printf("     -d drive          set home dir drive\n");
  55         printf("     -s script         set logon script\n");
  56         printf("     -p profile        set profile path\n");
  57         printf("  -a                   create new account\n");
  58         printf("     -m                it is a machine trust\n");
  59         printf("  -x                   delete this user\n");
  60         printf("  -i file              import account from file (smbpasswd style)\n");
  61         exit(1);
  62 }
  63
  64 /*********************************************************
  65  Print info from sam structure
  66 **********************************************************/
  67
  68 static int print_sam_info (SAM_ACCOUNT *sam_pwent, BOOL verbosity, BOOL smbpwdstyle)
  69 {
  70         uid_t uid;
  71         gid_t gid;
  72
  73         /* TODO: chaeck if entry is a user or a workstation */
  74         if (!sam_pwent) return -1;
  75
  76         if (verbosity) {
  77                 printf ("username:       %s\n",  pdb_get_username(sam_pwent));
  78                 if (IS_SAM_UNIX_USER(sam_pwent)) {
  79                         uid = pdb_get_uid(sam_pwent);
  80                         gid = pdb_get_gid(sam_pwent);
  81                         printf ("user ID/Group:  %d/%d\n", uid, gid);
  82                 }
  83                 printf ("user RID/GRID:  %u/%u\n", (unsigned int)pdb_get_user_rid(sam_pwent),
  84                         (unsigned int)pdb_get_group_rid(sam_pwent));
  85                 printf ("Full Name:      %s\n", pdb_get_fullname(sam_pwent));
  86                 printf ("Home Directory: %s\n", pdb_get_homedir(sam_pwent));
  87                 printf ("HomeDir Drive:  %s\n", pdb_get_dirdrive(sam_pwent));
  88                 printf ("Logon Script:   %s\n", pdb_get_logon_script(sam_pwent));
  89                 printf ("Profile Path:   %s\n", pdb_get_profile_path(sam_pwent));
  90         } else if (smbpwdstyle) {
  91                 if (IS_SAM_UNIX_USER(sam_pwent)) {
  92                         char lm_passwd[33];
  93                         char nt_passwd[33];
  94
  95                         uid = pdb_get_uid(sam_pwent);
  96                         pdb_sethexpwd(lm_passwd,
  97                                       pdb_get_lanman_passwd(sam_pwent),
  98                                       pdb_get_acct_ctrl(sam_pwent));
  99                         pdb_sethexpwd(nt_passwd,
 100                                       pdb_get_nt_passwd(sam_pwent),
 101                                       pdb_get_acct_ctrl(sam_pwent));
 102
 103                         printf("%s:%d:%s:%s:%s:LCT-%08X:\n",
 104                                pdb_get_username(sam_pwent),
 105                                uid,
 106                                lm_passwd,
 107                                nt_passwd,
 108                                pdb_encode_acct_ctrl(pdb_get_acct_ctrl(sam_pwent),NEW_PW_FORMAT_SPACE_PADDED_LEN),
 109                                (uint32)pdb_get_pass_last_set_time(sam_pwent));
 110                 } else {
 111                         fprintf(stderr, "Can't output in smbpasswd format, no uid on this record.\n");
 112                 }
 113         } else {
 114                 if (IS_SAM_UNIX_USER(sam_pwent)) {
 115                         printf ("%s:%d:%s\n", pdb_get_username(sam_pwent), pdb_get_uid(sam_pwent),
 116                                 pdb_get_fullname(sam_pwent));
 117                 } else {
 118                         printf ("%s:(null):%s\n", pdb_get_username(sam_pwent), pdb_get_fullname(sam_pwent));
 119                 }
 120         }
 121
 122         return 0;
 123 }
 124
 125 /*********************************************************
 126  Get an Print User Info
 127 **********************************************************/
 128
 129 static int print_user_info (char *username, BOOL verbosity, BOOL smbpwdstyle)
 130 {
 131         SAM_ACCOUNT *sam_pwent=NULL;
 132         BOOL ret;
 133
 134         pdb_init_sam(&sam_pwent);
 135
 136         ret = pdb_getsampwnam (sam_pwent, username);
 137
 138         if (ret==False) {
 139                 fprintf (stderr, "Username not found!\n");
 140                 pdb_free_sam(&sam_pwent);
 141                 return -1;
 142         }
 143
 144         ret=print_sam_info (sam_pwent, verbosity, smbpwdstyle);
 145         pdb_free_sam(&sam_pwent);
 146
 147         return ret;
 148 }
 149
 150 /*********************************************************
 151  List Users
 152 **********************************************************/
 153 static int print_users_list (BOOL verbosity, BOOL smbpwdstyle)
 154 {
 155         SAM_ACCOUNT *sam_pwent=NULL;
 156         BOOL ret;
 157
 158         pdb_init_sam(&sam_pwent);
 159         errno = 0; /* testing --simo */
 160         ret = pdb_setsampwent(False);
 161         if (ret && errno == ENOENT) {
 162                 fprintf (stderr,"Password database not found!\n");
 163                 pdb_free_sam(&sam_pwent);
 164                 exit(1);
 165         }
 166
 167         while ((ret = pdb_getsampwent (sam_pwent))) {
 168                 if (verbosity)
 169                         printf ("---------------\n");
 170                 print_sam_info (sam_pwent, verbosity, smbpwdstyle);
 171                 pdb_reset_sam(sam_pwent);
 172         }
 173
 174         pdb_endsampwent ();
 175         pdb_free_sam(&sam_pwent);
 176         return 0;
 177 }
 178
 179 /*********************************************************
 180  Set User Info
 181 **********************************************************/
 182
 183 static int set_user_info (char *username, char *fullname, char *homedir, char *drive, char *script, char *profile)
 184 {
 185         SAM_ACCOUNT *sam_pwent=NULL;
 186         BOOL ret;
 187
 188         pdb_init_sam(&sam_pwent);
 189
 190         ret = pdb_getsampwnam (sam_pwent, username);
 191         if (ret==False) {
 192                 fprintf (stderr, "Username not found!\n");
 193                 pdb_free_sam(&sam_pwent);
 194                 return -1;
 195         }
 196
 197         if (fullname)
 198                 pdb_set_fullname(sam_pwent, fullname);
 199         if (homedir)
 200                 pdb_set_homedir(sam_pwent, homedir, True);
 201         if (drive)
 202                 pdb_set_dir_drive(sam_pwent,drive, True);
 203         if (script)
 204                 pdb_set_logon_script(sam_pwent, script, True);
 205         if (profile)
 206                 pdb_set_profile_path (sam_pwent, profile, True);
 207
 208         if (pdb_update_sam_account (sam_pwent))
 209                 print_user_info (username, True, False);
 210         else {
 211                 fprintf (stderr, "Unable to modify entry!\n");
 212                 pdb_free_sam(&sam_pwent);
 213                 return -1;
 214         }
 215         pdb_free_sam(&sam_pwent);
 216         return 0;
 217 }
 218
 219 /*********************************************************
 220  Add New User
 221 **********************************************************/
 222 static int new_user (char *username, char *fullname, char *homedir, char *drive, char *script, char *profile)
 223 {
 224         SAM_ACCOUNT *sam_pwent=NULL;
 225         struct passwd  *pwd = NULL;
 226         char *password1, *password2;
 227
 228         ZERO_STRUCT(sam_pwent);
 229
 230         if (pwd = getpwnam_alloc(username)) {
 231
 232                 pdb_init_sam_pw (&sam_pwent, pwd);
 233                 passwd_free(&pwd);
 234         } else {
 235                 fprintf (stderr, "WARNING: user %s does not exist in system passwd\n", username);
 236                 pdb_init_sam(&sam_pwent);
 237                 if (!pdb_set_username(sam_pwent, username)) {
 238                         return False;
 239                 }
 240         }
 241
 242         password1 = getpass("new password:");
 243         password2 = getpass("retype new password:");
 244         if (strcmp (password1, password2)) {
 245                  fprintf (stderr, "Passwords does not match!\n");
 246                  pdb_free_sam (&sam_pwent);
 247                  return -1;
 248         }
 249
 250         pdb_set_plaintext_passwd(sam_pwent, password1);
 251
 252         if (fullname)
 253                 pdb_set_fullname(sam_pwent, fullname);
 254         if (homedir)
 255                 pdb_set_homedir (sam_pwent, homedir, True);
 256         if (drive)
 257                 pdb_set_dir_drive (sam_pwent, drive, True);
 258         if (script)
 259                 pdb_set_logon_script(sam_pwent, script, True);
 260         if (profile)
 261                 pdb_set_profile_path (sam_pwent, profile, True);
 262
 263         pdb_set_acct_ctrl (sam_pwent, ACB_NORMAL);
 264
 265         if (pdb_add_sam_account (sam_pwent)) {
 266                 print_user_info (username, True, False);
 267         } else {
 268                 fprintf (stderr, "Unable to add user! (does it alredy exist?)\n");
 269                 pdb_free_sam (&sam_pwent);
 270                 return -1;
 271         }
 272         pdb_free_sam (&sam_pwent);
 273         return 0;
 274 }
 275
 276 /*********************************************************
 277  Add New Machine
 278 **********************************************************/
 279
 280 static int new_machine (char *machinename)
 281 {
 282         SAM_ACCOUNT *sam_pwent=NULL;
 283         char name[16];
 284         char *password = NULL;
 285
 286         pdb_init_sam (&sam_pwent);
 287
 288         if (machinename[strlen (machinename) -1] == '$')
 289                 machinename[strlen (machinename) -1] = '\0';
 290
 291         safe_strcpy (name, machinename, 16);
 292         safe_strcat (name, "$", 16);
 293
 294         string_set (&password, machinename);
 295         strlower_m(password);
 296
 297         pdb_set_plaintext_passwd (sam_pwent, password);
 298
 299         pdb_set_username (sam_pwent, name);
 300
 301         pdb_set_acct_ctrl (sam_pwent, ACB_WSTRUST);
 302
 303         if (pdb_add_sam_account (sam_pwent)) {
 304                 print_user_info (name, True, False);
 305         } else {
 306                 fprintf (stderr, "Unable to add machine! (does it already exist?)\n");
 307                 pdb_free_sam (&sam_pwent);
 308                 return -1;
 309         }
 310         pdb_free_sam (&sam_pwent);
 311         return 0;
 312 }
 313
 314 /*********************************************************
 315  Delete user entry
 316 **********************************************************/
 317
 318 static int delete_user_entry (char *username)
 319 {
 320         SAM_ACCOUNT *samaccount;
 321
 322         pdb_init_sam(&samaccount);
 323
 324         if (!pdb_getsampwnam(samaccount, username)) {
 325                 fprintf (stderr, "user %s does not exist in the passdb\n", username);
 326                 return -1;
 327         }
 328
 329         return pdb_delete_sam_account (samaccount);
 330 }
 331
 332 /*********************************************************
 333  Delete machine entry
 334 **********************************************************/
 335
 336 static int delete_machine_entry (char *machinename)
 337 {
 338         char name[16];
 339         SAM_ACCOUNT *samaccount;
 340
 341         safe_strcpy (name, machinename, 16);
 342         if (name[strlen(name)] != '$')
 343                 safe_strcat (name, "$", 16);
 344
 345         pdb_init_sam(&samaccount);
 346
 347         if (!pdb_getsampwnam(samaccount, name)) {
 348                 fprintf (stderr, "user %s does not exist in the passdb\n", name);
 349                 return -1;
 350         }
 351
 352         return pdb_delete_sam_account (samaccount);
 353 }
 354
 355 /*********************************************************
 356  Import smbpasswd style file
 357 **********************************************************/
 358
 359 static int import_users (char *filename)
 360 {
 361         FILE *fp = NULL;
 362         SAM_ACCOUNT *sam_pwent = NULL;
 363         static pstring  user_name;
 364         static unsigned char smbpwd[16];
 365         static unsigned char smbntpwd[16];
 366         char linebuf[256];
 367         size_t linebuf_len;
 368         unsigned char c;
 369         unsigned char *p;
 370         long uidval;
 371         int line = 0;
 372         int good = 0;
 373         struct passwd *pwd;
 374
 375         if((fp = sys_fopen(filename, "rb")) == NULL) {
 376                 fprintf (stderr, "%s\n", strerror (ferror (fp)));
 377                 return -1;
 378         }
 379
 380         while (!feof(fp)) {
 381                 /*Get a new line*/
 382                 linebuf[0] = '\0';
 383                 fgets(linebuf, 256, fp);
 384                 if (ferror(fp)) {
 385                         fprintf (stderr, "%s\n", strerror (ferror (fp)));
 386                         return -1;
 387                 }
 388                 if ((linebuf_len = strlen(linebuf)) == 0) {
 389                         line++;
 390                         continue;
 391                 }
 392                 if (linebuf[linebuf_len - 1] != '\n') {
 393                         c = '\0';
 394                         while (!ferror(fp) && !feof(fp)) {
 395                                 c = fgetc(fp);
 396                                 if (c == '\n') break;
 397                         }
 398                 } else
 399                         linebuf[linebuf_len - 1] = '\0';
 400                 linebuf[linebuf_len] = '\0';
 401                 if ((linebuf[0] == 0) && feof(fp)) {
 402                         /*end of file!!*/
 403                         return 0;
 404                 }
 405                 line++;
 406                 if (linebuf[0] == '#' || linebuf[0] == '\0')
 407                         continue;
 408
 409                 /* Get user name */
 410                 p = (unsigned char *) strchr_m(linebuf, ':');
 411                 if (p == NULL) {
 412                         fprintf (stderr, "Error: malformed password entry at line %d !!\n", line);
 413                         continue;
 414                 }
 415                 strncpy(user_name, linebuf, PTR_DIFF(p, linebuf));
 416                 user_name[PTR_DIFF(p, linebuf)] = '\0';
 417
 418                 /* Get smb uid. */
 419                 p++;
 420                 if(*p == '-') {
 421                         fprintf (stderr, "Error: negative uid at line %d\n", line);
 422                         continue;
 423                 }
 424                 if (!isdigit(*p)) {
 425                         fprintf (stderr, "Error: malformed password entry at line %d (uid not number)\n", line);
 426                         continue;
 427                 }
 428                 uidval = atoi((char *) p);
 429                 while (*p && isdigit(*p)) p++;
 430                 if (*p != ':') {
 431                         fprintf (stderr, "Error: malformed password entry at line %d (no : after uid)\n", line);
 432                         continue;
 433                 }
 434                 if(!(pwd = sys_getpwnam(user_name))) {
 435                         fprintf(stderr, "User %s does not \
 436 exist in system password file (usually /etc/passwd). Cannot add \
 437 account without a valid local system user.\n", user_name);
 438                         return False;
 439                 }
 440
 441                 if (!NT_STATUS_IS_OK(pdb_init_sam_pw(&sam_pwent, pwd))) {
 442                         fprintf(stderr, "Failed initialise SAM_ACCOUNT for user %s.\n", user_name);
 443                         return False;
 444                 }
 445
 446                 /* Get passwords */
 447                 p++;
 448                 if (*p == '*' || *p == 'X') {
 449                         /* Password deliberately invalid */
 450                         fprintf (stderr, "Warning: entry invalidated for user %s\n", user_name);
 451                         pdb_set_lanman_passwd(sam_pwent, NULL);
 452                         pdb_set_nt_passwd(sam_pwent,NULL);
 453                         pdb_set_acct_ctrl(sam_pwent, pdb_get_acct_ctrl(sam_pwent) | ACB_DISABLED);
 454                 } else {
 455                         if (linebuf_len < (PTR_DIFF(p, linebuf) + 33)) {
 456                                 fprintf (stderr, "Error: malformed password entry at line %d (password too short)\n",line);
 457                                 pdb_free_sam (&sam_pwent);
 458                                 continue;
 459                         }
 460                         if (p[32] != ':') {
 461                                 fprintf (stderr, "Error: malformed password entry at line %d (no terminating :)\n",line);
 462                                 pdb_free_sam (&sam_pwent);
 463                                 continue;
 464                         }
 465                         if (!strncasecmp((char *) p, "NO PASSWORD", 11)) {
 466                                 pdb_set_lanman_passwd(sam_pwent, NULL);
 467                                 pdb_set_acct_ctrl(sam_pwent, pdb_get_acct_ctrl(sam_pwent) | ACB_PWNOTREQ);
 468                         } else {
 469                                 if (!pdb_gethexpwd((char *)p, smbpwd)) {
 470                                         fprintf (stderr, "Error: malformed Lanman password entry at line %d (non hex chars)\n", line);
 471                                         pdb_free_sam (&sam_pwent);
 472                                         continue;
 473                                 }
 474                                 pdb_set_lanman_passwd(sam_pwent, smbpwd);
 475                         }
 476                         /* NT password */
 477                         p += 33;
 478                         if ((linebuf_len >= (PTR_DIFF(p, linebuf) + 33)) && (p[32] == ':')) {
 479                                 if (*p != '*' && *p != 'X') {
 480                                         if (pdb_gethexpwd((char *)p,smbntpwd)) {
 481                                                 pdb_set_nt_passwd(sam_pwent, smbntpwd);
 482                                         }
 483                                 }
 484                                 p += 33;
 485                         }
 486                 }
 487
 488                 /* Get ACCT_CTRL field if any */
 489                 if (*p == '[') {
 490                         uint16 acct_ctrl;
 491                         unsigned char *end_p = (unsigned char *)strchr_m((char *)p, ']');
 492
 493                         acct_ctrl = pdb_decode_acct_ctrl((char*)p);
 494                         if (acct_ctrl)
 495                                 acct_ctrl = ACB_NORMAL;
 496
 497                         pdb_set_acct_ctrl(sam_pwent, acct_ctrl);
 498
 499                         /* Get last change time */
 500                         if(end_p)
 501                                 p = end_p + 1;
 502                         if(*p == ':') {
 503                                 p++;
 504                                 if(*p && (StrnCaseCmp((char *)p, "LCT-", 4)==0)) {
 505                                         int i;
 506
 507                                         p += 4;
 508                                         for(i = 0; i < 8; i++) {
 509                                                 if(p[i] == '\0' || !isxdigit(p[i])) break;
 510                                         }
 511                                         if(i == 8) {
 512                                                  pdb_set_pass_last_set_time (sam_pwent, (time_t)strtol((char *)p, NULL, 16));
 513                                         }
 514                                 }
 515                         }
 516                 }
 517
 518                  /* Now ADD the entry */
 519                 if (!(pdb_add_sam_account (sam_pwent))) {
 520                         fprintf (stderr, "Unable to add user entry!\n");
 521                         pdb_free_sam (&sam_pwent);
 522                         continue;
 523                 }
 524                 printf ("%s imported!\n", user_name);
 525                 good++;
 526                 pdb_free_sam (&sam_pwent);
 527         }
 528         printf ("%d lines read.\n%d entryes imported\n", line, good);
 529         return 0;
 530 }
 531
 532 /*********************************************************
 533  Start here.
 534 **********************************************************/
 535
 536 int main (int argc, char **argv)
 537 {
 538         int ch;
 539         BOOL list_users = False;
 540         BOOL verbose = False;
 541         BOOL spstyle = False;
 542         BOOL setparms = False;
 543         BOOL machine = False;
 544         BOOL add_user = False;
 545         BOOL delete_user = False;
 546         BOOL import = False;
 547         char *user_name = NULL;
 548         char *full_name = NULL;
 549         char *home_dir = NULL;
 550         char *home_drive = NULL;
 551         char *logon_script = NULL;
 552         char *profile_path = NULL;
 553         char *smbpasswd = NULL;
 554
 555         setup_logging("pdbedit", True);
 556
 557         if (argc < 2) {
 558                 usage();
 559                 return 0;
 560         }
 561
 562         DEBUGLEVEL = 1;
 563         AllowDebugChange = False;
 564
 565         if (!lp_load(dyn_CONFIGFILE,True,False,False)) {
 566                 fprintf(stderr, "Can't load %s - run testparm to debug it\n",
 567                         dyn_CONFIGFILE);
 568                 exit(1);
 569         }
 570
 571         if(!initialize_password_db(True)) {
 572                 fprintf(stderr, "Can't setup password database vectors.\n");
 573                 exit(1);
 574         }
 575
 576         while ((ch = getopt(argc, argv, "ad:f:h:i:lmp:s:u:vwx")) != EOF) {
 577                 switch(ch) {
 578                 case 'a':
 579                         add_user = True;
 580                         break;
 581                 case 'm':
 582                         machine = True;
 583                         break;
 584                 case 'l':
 585                         list_users = True;
 586                         break;
 587                 case 'v':
 588                         verbose = True;
 589                         break;
 590                 case 'w':
 591                         spstyle = True;
 592                         break;
 593                 case 'u':
 594                         user_name = optarg;
 595                         break;
 596                 case 'f':
 597                         setparms = True;
 598                         full_name = optarg;
 599                         break;
 600                 case 'h':
 601                         setparms = True;
 602                         home_dir = optarg;
 603                         break;
 604                 case 'd':
 605                         setparms = True;
 606                         home_drive = optarg;
 607                         break;
 608                 case 's':
 609                         setparms = True;
 610                         logon_script = optarg;
 611                         break;
 612                 case 'p':
 613                         setparms = True;
 614                         profile_path = optarg;
 615                         break;
 616                 case 'x':
 617                         delete_user = True;
 618                         break;
 619                 case 'i':
 620                         import = True;
 621                         smbpasswd = optarg;
 622                         break;
 623                 default:
 624                         usage();
 625                 }
 626         }
 627         if (((add_user?1:0) + (delete_user?1:0) + (list_users?1:0) + (import?1:0) + (setparms?1:0)) > 1) {
 628                 fprintf (stderr, "Incompatible options on command line!\n");
 629                 usage();
 630                 exit(1);
 631         }
 632
 633         if (add_user) {
 634                 if (!user_name) {
 635                         fprintf (stderr, "Username not specified! (use -u option)\n");
 636                         return -1;
 637                 }
 638                 if (machine)
 639                         return new_machine (user_name);
 640                 else
 641                         return new_user (user_name, full_name, home_dir, home_drive, logon_script, profile_path);
 642         }
 643
 644         if (delete_user) {
 645                 if (!user_name) {
 646                         fprintf (stderr, "Username not specified! (use -u option)\n");
 647                         return -1;
 648                 }
 649                 if (machine)
 650                         return delete_machine_entry (user_name);
 651                 else
 652                         return delete_user_entry (user_name);
 653         }
 654
 655         if (user_name) {
 656                 if (setparms)
 657                         set_user_info ( user_name, full_name,
 658                                                 home_dir,
 659                                                 home_drive,
 660                                                 logon_script,
 661                                                 profile_path);
 662                 else
 663                         return print_user_info (user_name, verbose, spstyle);
 664
 665                 return 0;
 666         }
 667
 668
 669         if (list_users)
 670                 return print_users_list (verbose, spstyle);
 671
 672         if (import)
 673                 return import_users (smbpasswd);
 674
 675         usage();
 676
 677         return 0;
 678 }