source3/utils/net_printing.c

   1 /*
   2    Samba Unix/Linux SMB client library
   3    Distributed SMB/CIFS Server Management Utility
   4    Local printing tdb migration interface
   5
   6    Copyright (C) Guenther Deschner 2010
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #include "includes.h"
  23 #include "system/filesys.h"
  24 #include "utils/net.h"
  25 #include "rpc_client/rpc_client.h"
  26 #include "rpc_client/cli_pipe.h"
  27 #include "librpc/gen_ndr/ndr_ntprinting.h"
  28 #include "librpc/gen_ndr/ndr_spoolss.h"
  29 #include "../libcli/security/security.h"
  30 #include "../librpc/gen_ndr/ndr_security.h"
  31 #include "../librpc/gen_ndr/ndr_winreg.h"
  32 #include "util_tdb.h"
  33 #include "printing/nt_printing_migrate.h"
  34
  35 #define FORMS_PREFIX "FORMS/"
  36 #define DRIVERS_PREFIX "DRIVERS/"
  37 #define PRINTERS_PREFIX "PRINTERS/"
  38 #define SECDESC_PREFIX "SECDESC/"
  39
  40 #define ARG_ENCODING "encoding="
  41
  42 struct printing_opts {
  43         const char *encoding;
  44         const char *tdb;
  45 };
  46
  47 static NTSTATUS printing_parse_args(TALLOC_CTX *mem_ctx,
  48                                     struct printing_opts **popts,
  49                                     int argc, const char **argv)
  50 {
  51         size_t c;
  52         struct printing_opts *o;
  53
  54         if (argc == 0) {
  55                 return NT_STATUS_INVALID_PARAMETER;
  56         }
  57
  58         o = talloc_zero(mem_ctx, struct printing_opts);
  59         if (o == NULL) {
  60                 return NT_STATUS_INVALID_PARAMETER;
  61         }
  62
  63         for (c = 0; c < argc; c++) {
  64                 if (strnequal(argv[c], ARG_ENCODING, sizeof(ARG_ENCODING) - 1)) {
  65                         o->encoding = talloc_strdup(o,
  66                                         argv[c] + sizeof(ARG_ENCODING) - 1);
  67                         if (o->encoding == NULL) {
  68                                 return NT_STATUS_NO_MEMORY;
  69                         }
  70                 } else {
  71                         o->tdb = talloc_strdup(o, argv[c]);
  72                         if (o->tdb == NULL) {
  73                                 return NT_STATUS_NO_MEMORY;
  74                         }
  75                 }
  76         }
  77
  78         *popts = o;
  79         return NT_STATUS_OK;
  80 }
  81
  82 static void dump_form(TALLOC_CTX *mem_ctx,
  83                       const char *key_name,
  84                       unsigned char *data,
  85                       size_t length)
  86 {
  87         enum ndr_err_code ndr_err;
  88         DATA_BLOB blob;
  89         char *s;
  90         struct ntprinting_form r;
  91
  92         printf("found form: %s\n", key_name);
  93
  94         blob = data_blob_const(data, length);
  95
  96         ZERO_STRUCT(r);
  97
  98         ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, &r,
  99                    (ndr_pull_flags_fn_t)ndr_pull_ntprinting_form);
 100         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 101                 d_fprintf(stderr, _("form pull failed: %s\n"),
 102                           ndr_errstr(ndr_err));
 103                 return;
 104         }
 105
 106         s = NDR_PRINT_STRUCT_STRING(mem_ctx, ntprinting_form, &r);
 107         if (s) {
 108                 printf("%s\n", s);
 109         }
 110 }
 111
 112 static void dump_driver(TALLOC_CTX *mem_ctx,
 113                         const char *key_name,
 114                         unsigned char *data,
 115                         size_t length,
 116                         bool do_string_conversion)
 117 {
 118         enum ndr_err_code ndr_err;
 119         DATA_BLOB blob;
 120         char *s;
 121         struct ntprinting_driver r;
 122
 123         printf("found driver: %s\n", key_name);
 124
 125         blob = data_blob_const(data, length);
 126
 127         ZERO_STRUCT(r);
 128
 129         if (do_string_conversion) {
 130                 r.string_flags = LIBNDR_FLAG_STR_ASCII;
 131         }
 132
 133         ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, &r,
 134                    (ndr_pull_flags_fn_t)ndr_pull_ntprinting_driver);
 135         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 136                 d_fprintf(stderr, _("driver pull failed: %s\n"),
 137                           ndr_errstr(ndr_err));
 138                 return;
 139         }
 140
 141         s = NDR_PRINT_STRUCT_STRING(mem_ctx, ntprinting_driver, &r);
 142         if (s) {
 143                 printf("%s\n", s);
 144         }
 145 }
 146
 147 static void dump_printer(TALLOC_CTX *mem_ctx,
 148                          const char *key_name,
 149                          unsigned char *data,
 150                          size_t length,
 151                          bool do_string_conversion)
 152 {
 153         enum ndr_err_code ndr_err;
 154         DATA_BLOB blob;
 155         char *s;
 156         struct ntprinting_printer r;
 157
 158         printf("found printer: %s\n", key_name);
 159
 160         blob = data_blob_const(data, length);
 161
 162         ZERO_STRUCT(r);
 163
 164         if (do_string_conversion) {
 165                 r.info.string_flags = LIBNDR_FLAG_STR_ASCII;
 166         }
 167
 168         ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, &r,
 169                    (ndr_pull_flags_fn_t)ndr_pull_ntprinting_printer);
 170         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 171                 d_fprintf(stderr, _("printer pull failed: %s\n"),
 172                           ndr_errstr(ndr_err));
 173                 return;
 174         }
 175
 176         s = NDR_PRINT_STRUCT_STRING(mem_ctx, ntprinting_printer, &r);
 177         if (s) {
 178                 printf("%s\n", s);
 179         }
 180 }
 181
 182 static void dump_sd(TALLOC_CTX *mem_ctx,
 183                     const char *key_name,
 184                     unsigned char *data,
 185                     size_t length)
 186 {
 187         enum ndr_err_code ndr_err;
 188         DATA_BLOB blob;
 189         char *s;
 190         struct sec_desc_buf r;
 191
 192         printf("found security descriptor: %s\n", key_name);
 193
 194         blob = data_blob_const(data, length);
 195
 196         ZERO_STRUCT(r);
 197
 198         ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, &r,
 199                    (ndr_pull_flags_fn_t)ndr_pull_sec_desc_buf);
 200         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 201                 d_fprintf(stderr, _("security descriptor pull failed: %s\n"),
 202                           ndr_errstr(ndr_err));
 203                 return;
 204         }
 205
 206         s = NDR_PRINT_STRUCT_STRING(mem_ctx, sec_desc_buf, &r);
 207         if (s) {
 208                 printf("%s\n", s);
 209         }
 210 }
 211
 212
 213 static int net_printing_dump(struct net_context *c, int argc,
 214                              const char **argv)
 215 {
 216         int ret = -1;
 217         TALLOC_CTX *ctx = talloc_stackframe();
 218         TDB_CONTEXT *tdb;
 219         TDB_DATA kbuf, dbuf;
 220         struct printing_opts *o;
 221         const char *save_dos_charset = lp_dos_charset();
 222         bool do_string_conversion = false;
 223         NTSTATUS status;
 224
 225         if (argc < 1 || c->display_usage) {
 226                 d_printf(  "%s\n"
 227                            "net printing dump [options] <file.tdb>\n"
 228                            "    %s\n",
 229                          _("Usage:"),
 230                          _("Dump formated printer information of the tdb."));
 231                 d_printf(_("Valid options:\n"));
 232                 d_printf(_("    encoding=<CP>   Set the Code Page of the tdb file.\n"
 233                            "                    See iconv -l for the list of CP values\n"
 234                            "                    (CP1252 is Western latin1, CP1251 is Cyrillic).\n"));
 235                 goto done;
 236         }
 237
 238         status = printing_parse_args(ctx, &o, argc, argv);
 239         if (!NT_STATUS_IS_OK(status)) {
 240                 d_fprintf(stderr, _("failed to parse arguments\n"));
 241                 goto done;
 242         }
 243
 244         tdb = tdb_open_log(o->tdb, 0, TDB_DEFAULT, O_RDONLY, 0600);
 245         if (!tdb) {
 246                 d_fprintf(stderr, _("failed to open tdb file: %s\n"), o->tdb);
 247                 goto done;
 248         }
 249
 250         if (o->encoding != NULL) {
 251                 lp_set_cmdline("dos charset", o->encoding);
 252                 d_fprintf(stderr, _("do string conversion from %s to %s\n"),
 253                                     lp_dos_charset(), lp_unix_charset());
 254                 do_string_conversion = true;
 255         }
 256
 257         for (kbuf = tdb_firstkey_compat(tdb);
 258              kbuf.dptr;
 259              kbuf = tdb_nextkey_compat(tdb, kbuf))
 260         {
 261                 dbuf = tdb_fetch_compat(tdb, kbuf);
 262                 if (!dbuf.dptr) {
 263                         continue;
 264                 }
 265
 266                 if (strncmp((const char *)kbuf.dptr, FORMS_PREFIX, strlen(FORMS_PREFIX)) == 0) {
 267                         dump_form(ctx, (const char *)kbuf.dptr+strlen(FORMS_PREFIX), dbuf.dptr, dbuf.dsize);
 268                         SAFE_FREE(dbuf.dptr);
 269                         continue;
 270                 }
 271
 272                 if (strncmp((const char *)kbuf.dptr, DRIVERS_PREFIX, strlen(DRIVERS_PREFIX)) == 0) {
 273                         dump_driver(ctx,
 274                                     (const char *)kbuf.dptr+strlen(DRIVERS_PREFIX),
 275                                     dbuf.dptr,
 276                                     dbuf.dsize,
 277                                     do_string_conversion);
 278                         SAFE_FREE(dbuf.dptr);
 279                         continue;
 280                 }
 281
 282                 if (strncmp((const char *)kbuf.dptr, PRINTERS_PREFIX, strlen(PRINTERS_PREFIX)) == 0) {
 283                         dump_printer(ctx,
 284                                      (const char *)kbuf.dptr+strlen(PRINTERS_PREFIX),
 285                                      dbuf.dptr,
 286                                      dbuf.dsize,
 287                                      do_string_conversion);
 288                         SAFE_FREE(dbuf.dptr);
 289                         continue;
 290                 }
 291
 292                 if (strncmp((const char *)kbuf.dptr, SECDESC_PREFIX, strlen(SECDESC_PREFIX)) == 0) {
 293                         dump_sd(ctx, (const char *)kbuf.dptr+strlen(SECDESC_PREFIX), dbuf.dptr, dbuf.dsize);
 294                         SAFE_FREE(dbuf.dptr);
 295                         continue;
 296                 }
 297
 298         }
 299
 300         ret = 0;
 301
 302  done:
 303         lp_set_cmdline("dos charset", save_dos_charset);
 304         talloc_free(ctx);
 305         return ret;
 306 }
 307
 308 static NTSTATUS printing_migrate_internal(struct net_context *c,
 309                                           const struct dom_sid *domain_sid,
 310                                           const char *domain_name,
 311                                           struct cli_state *cli,
 312                                           struct rpc_pipe_client *winreg_pipe,
 313                                           TALLOC_CTX *mem_ctx,
 314                                           int argc,
 315                                           const char **argv)
 316 {
 317         struct printing_opts *o;
 318         TALLOC_CTX *tmp_ctx;
 319         TDB_CONTEXT *tdb;
 320         TDB_DATA kbuf, dbuf;
 321         NTSTATUS status;
 322         const char *save_dos_charset = lp_dos_charset();
 323         bool do_string_conversion = false;
 324
 325         tmp_ctx = talloc_new(mem_ctx);
 326         if (tmp_ctx == NULL) {
 327                 return NT_STATUS_NO_MEMORY;
 328         }
 329
 330         status = printing_parse_args(tmp_ctx, &o, argc, argv);
 331         if (!NT_STATUS_IS_OK(status)) {
 332                 d_fprintf(stderr, _("failed to parse arguments\n"));
 333                 goto done;
 334         }
 335
 336         tdb = tdb_open_log(o->tdb, 0, TDB_DEFAULT, O_RDONLY, 0600);
 337         if (tdb == NULL) {
 338                 d_fprintf(stderr, _("failed to open tdb file: %s\n"), o->tdb);
 339                 status = NT_STATUS_NO_SUCH_FILE;
 340                 goto done;
 341         }
 342
 343         if (o->encoding != NULL) {
 344                 lp_set_cmdline("dos charset", o->encoding);
 345                 d_fprintf(stderr, _("do string conversion from %s to %s\n"),
 346                                     lp_dos_charset(), lp_unix_charset());
 347                 do_string_conversion = true;
 348         }
 349
 350         for (kbuf = tdb_firstkey_compat(tdb);
 351              kbuf.dptr;
 352              kbuf = tdb_nextkey_compat(tdb, kbuf))
 353         {
 354                 dbuf = tdb_fetch_compat(tdb, kbuf);
 355                 if (!dbuf.dptr) {
 356                         continue;
 357                 }
 358
 359                 if (strncmp((const char *) kbuf.dptr, FORMS_PREFIX, strlen(FORMS_PREFIX)) == 0) {
 360                         printing_tdb_migrate_form(tmp_ctx,
 361                                      winreg_pipe,
 362                                      (const char *) kbuf.dptr + strlen(FORMS_PREFIX),
 363                                      dbuf.dptr,
 364                                      dbuf.dsize);
 365                         SAFE_FREE(dbuf.dptr);
 366                         continue;
 367                 }
 368
 369                 if (strncmp((const char *) kbuf.dptr, DRIVERS_PREFIX, strlen(DRIVERS_PREFIX)) == 0) {
 370                         printing_tdb_migrate_driver(tmp_ctx,
 371                                        winreg_pipe,
 372                                        (const char *) kbuf.dptr + strlen(DRIVERS_PREFIX),
 373                                        dbuf.dptr,
 374                                        dbuf.dsize,
 375                                        do_string_conversion);
 376                         SAFE_FREE(dbuf.dptr);
 377                         continue;
 378                 }
 379
 380                 if (strncmp((const char *) kbuf.dptr, PRINTERS_PREFIX, strlen(PRINTERS_PREFIX)) == 0) {
 381                         printing_tdb_migrate_printer(tmp_ctx,
 382                                         winreg_pipe,
 383                                         (const char *) kbuf.dptr + strlen(PRINTERS_PREFIX),
 384                                         dbuf.dptr,
 385                                         dbuf.dsize,
 386                                         do_string_conversion);
 387                         SAFE_FREE(dbuf.dptr);
 388                         continue;
 389                 }
 390                 SAFE_FREE(dbuf.dptr);
 391         }
 392
 393         for (kbuf = tdb_firstkey_compat(tdb);
 394              kbuf.dptr;
 395              kbuf = tdb_nextkey_compat(tdb, kbuf))
 396         {
 397                 dbuf = tdb_fetch_compat(tdb, kbuf);
 398                 if (!dbuf.dptr) {
 399                         continue;
 400                 }
 401
 402                 if (strncmp((const char *) kbuf.dptr, SECDESC_PREFIX, strlen(SECDESC_PREFIX)) == 0) {
 403                         printing_tdb_migrate_secdesc(tmp_ctx,
 404                                         winreg_pipe,
 405                                         (const char *) kbuf.dptr + strlen(SECDESC_PREFIX),
 406                                         dbuf.dptr,
 407                                         dbuf.dsize);
 408                         SAFE_FREE(dbuf.dptr);
 409                         continue;
 410                 }
 411                 SAFE_FREE(dbuf.dptr);
 412
 413         }
 414
 415         status = NT_STATUS_OK;
 416
 417  done:
 418         lp_set_cmdline("dos charset", save_dos_charset);
 419         talloc_free(tmp_ctx);
 420         return status;
 421 }
 422
 423 static int net_printing_migrate(struct net_context *c,
 424                                 int argc,
 425                                 const char **argv)
 426 {
 427         if (argc < 1 || c->display_usage) {
 428                 d_printf(  "%s\n"
 429                            "net printing migrate [options] <file.tdb>\n"
 430                            "    %s\n",
 431                          _("Usage:"),
 432                          _("Migrate tdb printing files to new storage"));
 433                 d_printf(_("Valid options:\n"));
 434                 d_printf(_("    encoding=<CP>   Set the Code Page of the tdb file.\n"
 435                            "                    See iconv -l for the list of CP values\n"
 436                            "                    (CP1252 is Western latin1, CP1251 is Cyrillic).\n"));
 437                 return 0;
 438         }
 439
 440         return run_rpc_command(c,
 441                                NULL,
 442                                &ndr_table_winreg,
 443                                0,
 444                                printing_migrate_internal,
 445                                argc,
 446                                argv);
 447 }
 448 /**
 449  * 'net printing' entrypoint.
 450  * @param argc  Standard main() style argc.
 451  * @param argv  Standard main() style argv. Initial components are already
 452  *              stripped.
 453  **/
 454
 455 int net_printing(struct net_context *c, int argc, const char **argv)
 456 {
 457         int ret = -1;
 458
 459         struct functable func[] = {
 460                 {
 461                         "dump",
 462                         net_printing_dump,
 463                         NET_TRANSPORT_LOCAL,
 464                         N_("Dump printer databases"),
 465                         N_("net printing dump\n"
 466                            "    Dump tdb printing file")
 467                 },
 468
 469                 {
 470                         "migrate",
 471                         net_printing_migrate,
 472                         NET_TRANSPORT_LOCAL | NET_TRANSPORT_RPC,
 473                         N_("Migrate printer databases"),
 474                         N_("net printing migrate\n"
 475                            "    Migrate tdb printing files to new storage")
 476                 },
 477
 478         { NULL, NULL, 0, NULL, NULL }
 479         };
 480
 481         ret = net_run_function(c, argc, argv, "net printing", func);
 482
 483         return ret;
 484 }