source3/nsswitch/wbinfo.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 2.0
   4
   5    Winbind status program.
   6
   7    Copyright (C) Tim Potter 2000
   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 #include "winbindd.h"
  26 #include "debug.h"
  27
  28 /* Prototypes from common.h */
  29
  30 NSS_STATUS winbindd_request(int req_type,
  31                             struct winbindd_request *request,
  32                             struct winbindd_response *response);
  33
  34 /* List groups a user is a member of */
  35
  36 static BOOL wbinfo_get_usergroups(char *user)
  37 {
  38         struct winbindd_request request;
  39         struct winbindd_response response;
  40         NSS_STATUS result;
  41         int i;
  42
  43         ZERO_STRUCT(response);
  44
  45         /* Send request */
  46
  47         fstrcpy(request.data.username, user);
  48
  49         result = winbindd_request(WINBINDD_GETGROUPS, &request, &response);
  50
  51         if (result != NSS_STATUS_SUCCESS) {
  52                 return False;
  53         }
  54
  55         for (i = 0; i < response.data.num_entries; i++) {
  56                 printf("%d\n", (int)((gid_t *)response.extra_data)[i]);
  57         }
  58
  59         return True;
  60 }
  61
  62 /* List trusted domains */
  63
  64 static BOOL wbinfo_list_domains(void)
  65 {
  66         struct winbindd_response response;
  67         fstring name;
  68
  69         ZERO_STRUCT(response);
  70
  71         /* Send request */
  72
  73         if (winbindd_request(WINBINDD_LIST_TRUSTDOM, NULL, &response) !=
  74             NSS_STATUS_SUCCESS) {
  75                 return False;
  76         }
  77
  78         /* Display response */
  79
  80         if (response.extra_data) {
  81                 while(next_token((char **)&response.extra_data, name, ",",
  82                                  sizeof(fstring))) {
  83                         printf("%s\n", name);
  84                 }
  85         }
  86
  87         return True;
  88 }
  89
  90 /* Check trust account password */
  91
  92 static BOOL wbinfo_check_secret(void)
  93 {
  94         struct winbindd_response response;
  95         BOOL result;
  96
  97         ZERO_STRUCT(response);
  98
  99         result = winbindd_request(WINBINDD_CHECK_MACHACC, NULL, &response) ==
 100                 NSS_STATUS_SUCCESS;
 101
 102         if (result) {
 103
 104                 if (response.data.num_entries == 0) {
 105                         printf("Secret is good\n");
 106                 } else {
 107                         printf("Secret is bad\n0x%08x\n",
 108                                response.data.num_entries);
 109                 }
 110
 111                 return True;
 112         }
 113
 114         return False;
 115 }
 116
 117 /* Convert uid to sid */
 118
 119 static BOOL wbinfo_uid_to_sid(uid_t uid)
 120 {
 121         struct winbindd_request request;
 122         struct winbindd_response response;
 123
 124         ZERO_STRUCT(request);
 125         ZERO_STRUCT(response);
 126
 127         /* Send request */
 128
 129         request.data.uid = uid;
 130         if (winbindd_request(WINBINDD_UID_TO_SID, &request, &response) !=
 131             NSS_STATUS_SUCCESS) {
 132                 return False;
 133         }
 134
 135         /* Display response */
 136
 137         printf("%s\n", response.data.sid.sid);
 138
 139         return True;
 140 }
 141
 142 /* Convert gid to sid */
 143
 144 static BOOL wbinfo_gid_to_sid(gid_t gid)
 145 {
 146         struct winbindd_request request;
 147         struct winbindd_response response;
 148
 149         ZERO_STRUCT(request);
 150         ZERO_STRUCT(response);
 151
 152         /* Send request */
 153
 154         request.data.gid = gid;
 155         if (winbindd_request(WINBINDD_GID_TO_SID, &request, &response) !=
 156             NSS_STATUS_SUCCESS) {
 157                 return False;
 158         }
 159
 160         /* Display response */
 161
 162         printf("%s\n", response.data.sid.sid);
 163
 164         return True;
 165 }
 166
 167 /* Convert sid to uid */
 168
 169 static BOOL wbinfo_sid_to_uid(char *sid)
 170 {
 171         struct winbindd_request request;
 172         struct winbindd_response response;
 173
 174         ZERO_STRUCT(request);
 175         ZERO_STRUCT(response);
 176
 177         /* Send request */
 178
 179         fstrcpy(request.data.sid, sid);
 180         if (winbindd_request(WINBINDD_SID_TO_UID, &request, &response) !=
 181             NSS_STATUS_SUCCESS) {
 182                 return False;
 183         }
 184
 185         /* Display response */
 186
 187         printf("%d\n", (int)response.data.uid);
 188
 189         return True;
 190 }
 191
 192 static BOOL wbinfo_sid_to_gid(char *sid)
 193 {
 194         struct winbindd_request request;
 195         struct winbindd_response response;
 196
 197         ZERO_STRUCT(request);
 198         ZERO_STRUCT(response);
 199
 200         /* Send request */
 201
 202         fstrcpy(request.data.sid, sid);
 203         if (winbindd_request(WINBINDD_SID_TO_GID, &request, &response) !=
 204             NSS_STATUS_SUCCESS) {
 205                 return False;
 206         }
 207
 208         /* Display response */
 209
 210         printf("%d\n", (int)response.data.gid);
 211
 212         return True;
 213 }
 214
 215 /* Convert sid to string */
 216
 217 static BOOL wbinfo_lookupsid(char *sid)
 218 {
 219         struct winbindd_request request;
 220         struct winbindd_response response;
 221
 222         ZERO_STRUCT(request);
 223         ZERO_STRUCT(response);
 224
 225         /* Send off request */
 226
 227         fstrcpy(request.data.sid, sid);
 228         if (winbindd_request(WINBINDD_LOOKUPSID, &request, &response) !=
 229             NSS_STATUS_SUCCESS) {
 230                 return False;
 231         }
 232
 233         /* Display response */
 234
 235         printf("%s %d\n", response.data.name.name, response.data.name.type);
 236
 237         return True;
 238 }
 239
 240 /* Convert string to sid */
 241
 242 static BOOL wbinfo_lookupname(char *name)
 243 {
 244         struct winbindd_request request;
 245         struct winbindd_response response;
 246
 247         /*
 248          * Don't do the lookup if the name has no separator.
 249          */
 250
 251         if (!strchr(name, *lp_winbind_separator()))
 252                 return False;
 253
 254         /* Send off request */
 255
 256         ZERO_STRUCT(request);
 257         ZERO_STRUCT(response);
 258
 259         fstrcpy(request.data.name, name);
 260         if (winbindd_request(WINBINDD_LOOKUPNAME, &request, &response) !=
 261             NSS_STATUS_SUCCESS) {
 262                 return False;
 263         }
 264
 265         /* Display response */
 266
 267         printf("%s %d\n", response.data.sid.sid, response.data.sid.type);
 268
 269         return True;
 270 }
 271
 272 /* Authenticate a user with a plaintext password */
 273
 274 static BOOL wbinfo_auth(char *username)
 275 {
 276         struct winbindd_request request;
 277         struct winbindd_response response;
 278         NSS_STATUS result;
 279         char *p;
 280
 281         /*
 282          * Don't do the lookup if the name has no separator.
 283          */
 284
 285         if (!strchr(username, *lp_winbind_separator()))
 286                 return False;
 287
 288         /* Send off request */
 289
 290         ZERO_STRUCT(request);
 291         ZERO_STRUCT(response);
 292
 293         p = strchr(username, '%');
 294
 295         if (p) {
 296                 *p = 0;
 297                 fstrcpy(request.data.auth.user, username);
 298                 fstrcpy(request.data.auth.pass, p + 1);
 299                 *p = '%';
 300         } else
 301                 fstrcpy(request.data.auth.user, username);
 302
 303         result = winbindd_request(WINBINDD_PAM_AUTH, &request, &response);
 304
 305         /* Display response */
 306
 307         printf("plaintext password authentication %s\n",
 308                (result == NSS_STATUS_SUCCESS) ? "succeeded" : "failed");
 309
 310         return result == NSS_STATUS_SUCCESS;
 311 }
 312
 313 /* Authenticate a user with a challenge/response */
 314
 315 static BOOL wbinfo_auth_crap(char *username)
 316 {
 317         struct winbindd_request request;
 318         struct winbindd_response response;
 319         NSS_STATUS result;
 320         fstring pass;
 321         char *p;
 322
 323         /*
 324          * Don't do the lookup if the name has no separator.
 325          */
 326
 327         if (!strchr(username, *lp_winbind_separator()))
 328                 return False;
 329
 330         /* Send off request */
 331
 332         ZERO_STRUCT(request);
 333         ZERO_STRUCT(response);
 334
 335         p = strchr(username, '%');
 336
 337         if (p) {
 338                 *p = 0;
 339                 fstrcpy(request.data.auth_crap.user, username);
 340                 fstrcpy(pass, p + 1);
 341                 *p = '%';
 342         } else
 343                 fstrcpy(request.data.auth_crap.user, username);
 344
 345         generate_random_buffer(request.data.auth_crap.chal, 8, False);
 346
 347         SMBencrypt((uchar *)pass, request.data.auth_crap.chal,
 348                    (uchar *)request.data.auth_crap.lm_resp);
 349         SMBNTencrypt((uchar *)pass, request.data.auth_crap.chal,
 350                      (uchar *)request.data.auth_crap.nt_resp);
 351
 352         request.data.auth_crap.lm_resp_len = 24;
 353         request.data.auth_crap.nt_resp_len = 24;
 354
 355         result = winbindd_request(WINBINDD_PAM_AUTH_CRAP, &request, &response);
 356
 357         /* Display response */
 358
 359         printf("challenge/response password authentication %s\n",
 360                (result == NSS_STATUS_SUCCESS) ? "succeeded" : "failed");
 361
 362         return result == NSS_STATUS_SUCCESS;
 363 }
 364
 365 /* Print domain users */
 366
 367 static BOOL print_domain_users(void)
 368 {
 369         struct winbindd_response response;
 370         fstring name;
 371
 372         /* Send request to winbind daemon */
 373
 374         ZERO_STRUCT(response);
 375
 376         if (winbindd_request(WINBINDD_LIST_USERS, NULL, &response) !=
 377             NSS_STATUS_SUCCESS) {
 378                 return False;
 379         }
 380
 381         /* Look through extra data */
 382
 383         if (!response.extra_data) {
 384                 return False;
 385         }
 386
 387         while(next_token((char **)&response.extra_data, name, ",",
 388                          sizeof(fstring))) {
 389                 printf("%s\n", name);
 390         }
 391
 392         return True;
 393 }
 394
 395 /* Print domain groups */
 396
 397 static BOOL print_domain_groups(void)
 398 {
 399         struct winbindd_response response;
 400         fstring name;
 401
 402         ZERO_STRUCT(response);
 403
 404         if (winbindd_request(WINBINDD_LIST_GROUPS, NULL, &response) !=
 405             NSS_STATUS_SUCCESS) {
 406                 return False;
 407         }
 408
 409         /* Look through extra data */
 410
 411         if (!response.extra_data) {
 412                 return False;
 413         }
 414
 415         while(next_token((char **)&response.extra_data, name, ",",
 416                          sizeof(fstring))) {
 417                 printf("%s\n", name);
 418         }
 419
 420         return True;
 421 }
 422
 423 /* Print program usage */
 424
 425 static void usage(void)
 426 {
 427         printf("Usage: wbinfo -ug | -n name | -sSY sid | -UG uid/gid | -tm "
 428                "| -a user%%password\n");
 429         printf("\t-u\t\t\tlists all domain users\n");
 430         printf("\t-g\t\t\tlists all domain groups\n");
 431         printf("\t-n name\t\t\tconverts name to sid\n");
 432         printf("\t-s sid\t\t\tconverts sid to name\n");
 433         printf("\t-U uid\t\t\tconverts uid to sid\n");
 434         printf("\t-G gid\t\t\tconverts gid to sid\n");
 435         printf("\t-S sid\t\t\tconverts sid to uid\n");
 436         printf("\t-Y sid\t\t\tconverts sid to gid\n");
 437         printf("\t-t\t\t\tcheck shared secret\n");
 438         printf("\t-m\t\t\tlist trusted domains\n");
 439         printf("\t-r user\t\t\tget user groups\n");
 440         printf("\t-a user%%password\tauthenticate user\n");
 441 }
 442
 443 /* Main program */
 444
 445 int main(int argc, char **argv)
 446 {
 447         extern pstring global_myname;
 448         int opt;
 449
 450         /* Samba client initialisation */
 451
 452         if (!*global_myname) {
 453                 char *p;
 454
 455                 fstrcpy(global_myname, myhostname());
 456                 p = strchr(global_myname, '.');
 457                 if (p) {
 458                         *p = 0;
 459                 }
 460         }
 461
 462         if (!lp_load(dyn_CONFIGFILE, True, False, False)) {
 463                 DEBUG(0, ("error opening config file\n"));
 464                 exit(1);
 465         }
 466
 467         load_interfaces();
 468
 469         /* Parse command line options */
 470
 471         if (argc == 1) {
 472                 usage();
 473                 return 1;
 474         }
 475
 476         while ((opt = getopt(argc, argv, "ugs:n:U:G:S:Y:tmr:a:")) != EOF) {
 477                 switch (opt) {
 478                 case 'u':
 479                         if (!print_domain_users()) {
 480                                 printf("Error looking up domain users\n");
 481                                 return 1;
 482                         }
 483                         break;
 484                 case 'g':
 485                         if (!print_domain_groups()) {
 486                                 printf("Error looking up domain groups\n");
 487                                 return 1;
 488                         }
 489                         break;
 490                 case 's':
 491                         if (!wbinfo_lookupsid(optarg)) {
 492                                 printf("Could not lookup sid %s\n", optarg);
 493                                 return 1;
 494                         }
 495                         break;
 496                 case 'n':
 497                         if (!wbinfo_lookupname(optarg)) {
 498                                 printf("Could not lookup name %s\n", optarg);
 499                                 return 1;
 500                         }
 501                         break;
 502                 case 'U':
 503                         if (!wbinfo_uid_to_sid(atoi(optarg))) {
 504                                 printf("Could not convert uid %s to sid\n",
 505                                        optarg);
 506                                 return 1;
 507                         }
 508                         break;
 509                 case 'G':
 510                         if (!wbinfo_gid_to_sid(atoi(optarg))) {
 511                                 printf("Could not convert gid %s to sid\n",
 512                                        optarg);
 513                                 return 1;
 514                         }
 515                         break;
 516                 case 'S':
 517                         if (!wbinfo_sid_to_uid(optarg)) {
 518                                 printf("Could not convert sid %s to uid\n",
 519                                        optarg);
 520                                 return 1;
 521                         }
 522                         break;
 523                 case 'Y':
 524                         if (!wbinfo_sid_to_gid(optarg)) {
 525                                 printf("Could not convert sid %s to gid\n",
 526                                        optarg);
 527                                 return 1;
 528                         }
 529                         break;
 530                 case 't':
 531                         if (!wbinfo_check_secret()) {
 532                                 printf("Could not check secret\n");
 533                                 return 1;
 534                         }
 535                         break;
 536                 case 'm':
 537                         if (!wbinfo_list_domains()) {
 538                                 printf("Could not list trusted domains\n");
 539                                 return 1;
 540                         }
 541                         break;
 542                 case 'r':
 543                         if (!wbinfo_get_usergroups(optarg)) {
 544                                 printf("Could not get groups for user %s\n",
 545                                        optarg);
 546                                 return 1;
 547                         }
 548                         break;
 549                 case 'a': {
 550                         BOOL got_error = False;
 551
 552                         if (!wbinfo_auth(optarg)) {
 553                                 printf("Could not authenticate user %s with "
 554                                        "plaintext password\n", optarg);
 555                                 got_error = True;
 556                         }
 557
 558                         if (!wbinfo_auth_crap(optarg)) {
 559                                 printf("Could not authenticate user %s with "
 560                                        "challenge/response\n", optarg);
 561                                 got_error = True;
 562                         }
 563
 564                         if (got_error)
 565                                 return 1;
 566                         break;
 567
 568                 }
 569                       /* Invalid option */
 570
 571                 default:
 572                         usage();
 573                         return 1;
 574                 }
 575         }
 576
 577         /* Clean exit */
 578
 579         return 0;
 580 }