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 static void dump_form(TALLOC_CTX *mem_ctx,
  41                       const char *key_name,
  42                       unsigned char *data,
  43                       size_t length)
  44 {
  45         enum ndr_err_code ndr_err;
  46         DATA_BLOB blob;
  47         char *s;
  48         struct ntprinting_form r;
  49
  50         printf("found form: %s\n", key_name);
  51
  52         blob = data_blob_const(data, length);
  53
  54         ZERO_STRUCT(r);
  55
  56         ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, &r,
  57                    (ndr_pull_flags_fn_t)ndr_pull_ntprinting_form);
  58         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
  59                 d_fprintf(stderr, _("form pull failed: %s\n"),
  60                           ndr_errstr(ndr_err));
  61                 return;
  62         }
  63
  64         s = NDR_PRINT_STRUCT_STRING(mem_ctx, ntprinting_form, &r);
  65         if (s) {
  66                 printf("%s\n", s);
  67         }
  68 }
  69
  70 static void dump_driver(TALLOC_CTX *mem_ctx,
  71                         const char *key_name,
  72                         unsigned char *data,
  73                         size_t length)
  74 {
  75         enum ndr_err_code ndr_err;
  76         DATA_BLOB blob;
  77         char *s;
  78         struct ntprinting_driver r;
  79
  80         printf("found driver: %s\n", key_name);
  81
  82         blob = data_blob_const(data, length);
  83
  84         ZERO_STRUCT(r);
  85
  86         ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, &r,
  87                    (ndr_pull_flags_fn_t)ndr_pull_ntprinting_driver);
  88         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
  89                 d_fprintf(stderr, _("driver pull failed: %s\n"),
  90                           ndr_errstr(ndr_err));
  91                 return;
  92         }
  93
  94         s = NDR_PRINT_STRUCT_STRING(mem_ctx, ntprinting_driver, &r);
  95         if (s) {
  96                 printf("%s\n", s);
  97         }
  98 }
  99
 100 static void dump_printer(TALLOC_CTX *mem_ctx,
 101                          const char *key_name,
 102                          unsigned char *data,
 103                          size_t length)
 104 {
 105         enum ndr_err_code ndr_err;
 106         DATA_BLOB blob;
 107         char *s;
 108         struct ntprinting_printer r;
 109
 110         printf("found printer: %s\n", key_name);
 111
 112         blob = data_blob_const(data, length);
 113
 114         ZERO_STRUCT(r);
 115
 116         ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, &r,
 117                    (ndr_pull_flags_fn_t)ndr_pull_ntprinting_printer);
 118         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 119                 d_fprintf(stderr, _("printer pull failed: %s\n"),
 120                           ndr_errstr(ndr_err));
 121                 return;
 122         }
 123
 124         s = NDR_PRINT_STRUCT_STRING(mem_ctx, ntprinting_printer, &r);
 125         if (s) {
 126                 printf("%s\n", s);
 127         }
 128 }
 129
 130 static void dump_sd(TALLOC_CTX *mem_ctx,
 131                     const char *key_name,
 132                     unsigned char *data,
 133                     size_t length)
 134 {
 135         enum ndr_err_code ndr_err;
 136         DATA_BLOB blob;
 137         char *s;
 138         struct sec_desc_buf r;
 139
 140         printf("found security descriptor: %s\n", key_name);
 141
 142         blob = data_blob_const(data, length);
 143
 144         ZERO_STRUCT(r);
 145
 146         ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, &r,
 147                    (ndr_pull_flags_fn_t)ndr_pull_sec_desc_buf);
 148         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 149                 d_fprintf(stderr, _("security descriptor pull failed: %s\n"),
 150                           ndr_errstr(ndr_err));
 151                 return;
 152         }
 153
 154         s = NDR_PRINT_STRUCT_STRING(mem_ctx, sec_desc_buf, &r);
 155         if (s) {
 156                 printf("%s\n", s);
 157         }
 158 }
 159
 160
 161 static int net_printing_dump(struct net_context *c, int argc,
 162                              const char **argv)
 163 {
 164         int ret = -1;
 165         TALLOC_CTX *ctx = talloc_stackframe();
 166         TDB_CONTEXT *tdb;
 167         TDB_DATA kbuf, dbuf;
 168
 169         if (argc < 1 || c->display_usage) {
 170                 d_fprintf(stderr, "%s\nnet printing dump <file.tdb>\n",
 171                           _("Usage:"));
 172                 goto done;
 173         }
 174
 175         tdb = tdb_open_log(argv[0], 0, TDB_DEFAULT, O_RDONLY, 0600);
 176         if (!tdb) {
 177                 d_fprintf(stderr, _("failed to open tdb file: %s\n"), argv[0]);
 178                 goto done;
 179         }
 180
 181         for (kbuf = tdb_firstkey_compat(tdb);
 182              kbuf.dptr;
 183              kbuf = tdb_nextkey_compat(tdb, kbuf))
 184         {
 185                 dbuf = tdb_fetch_compat(tdb, kbuf);
 186                 if (!dbuf.dptr) {
 187                         continue;
 188                 }
 189
 190                 if (strncmp((const char *)kbuf.dptr, FORMS_PREFIX, strlen(FORMS_PREFIX)) == 0) {
 191                         dump_form(ctx, (const char *)kbuf.dptr+strlen(FORMS_PREFIX), dbuf.dptr, dbuf.dsize);
 192                         SAFE_FREE(dbuf.dptr);
 193                         continue;
 194                 }
 195
 196                 if (strncmp((const char *)kbuf.dptr, DRIVERS_PREFIX, strlen(DRIVERS_PREFIX)) == 0) {
 197                         dump_driver(ctx, (const char *)kbuf.dptr+strlen(DRIVERS_PREFIX), dbuf.dptr, dbuf.dsize);
 198                         SAFE_FREE(dbuf.dptr);
 199                         continue;
 200                 }
 201
 202                 if (strncmp((const char *)kbuf.dptr, PRINTERS_PREFIX, strlen(PRINTERS_PREFIX)) == 0) {
 203                         dump_printer(ctx, (const char *)kbuf.dptr+strlen(PRINTERS_PREFIX), dbuf.dptr, dbuf.dsize);
 204                         SAFE_FREE(dbuf.dptr);
 205                         continue;
 206                 }
 207
 208                 if (strncmp((const char *)kbuf.dptr, SECDESC_PREFIX, strlen(SECDESC_PREFIX)) == 0) {
 209                         dump_sd(ctx, (const char *)kbuf.dptr+strlen(SECDESC_PREFIX), dbuf.dptr, dbuf.dsize);
 210                         SAFE_FREE(dbuf.dptr);
 211                         continue;
 212                 }
 213
 214         }
 215
 216         ret = 0;
 217
 218  done:
 219         talloc_free(ctx);
 220         return ret;
 221 }
 222
 223 static NTSTATUS printing_migrate_internal(struct net_context *c,
 224                                           const struct dom_sid *domain_sid,
 225                                           const char *domain_name,
 226                                           struct cli_state *cli,
 227                                           struct rpc_pipe_client *winreg_pipe,
 228                                           TALLOC_CTX *mem_ctx,
 229                                           int argc,
 230                                           const char **argv)
 231 {
 232         TALLOC_CTX *tmp_ctx;
 233         TDB_CONTEXT *tdb;
 234         TDB_DATA kbuf, dbuf;
 235         NTSTATUS status;
 236
 237         tmp_ctx = talloc_new(mem_ctx);
 238         if (tmp_ctx == NULL) {
 239                 return NT_STATUS_NO_MEMORY;
 240         }
 241
 242         tdb = tdb_open_log(argv[0], 0, TDB_DEFAULT, O_RDONLY, 0600);
 243         if (tdb == NULL) {
 244                 d_fprintf(stderr, _("failed to open tdb file: %s\n"), argv[0]);
 245                 status = NT_STATUS_NO_SUCH_FILE;
 246                 goto done;
 247         }
 248
 249         for (kbuf = tdb_firstkey_compat(tdb);
 250              kbuf.dptr;
 251              kbuf = tdb_nextkey_compat(tdb, kbuf))
 252         {
 253                 dbuf = tdb_fetch_compat(tdb, kbuf);
 254                 if (!dbuf.dptr) {
 255                         continue;
 256                 }
 257
 258                 if (strncmp((const char *) kbuf.dptr, FORMS_PREFIX, strlen(FORMS_PREFIX)) == 0) {
 259                         printing_tdb_migrate_form(tmp_ctx,
 260                                      winreg_pipe,
 261                                      (const char *) kbuf.dptr + strlen(FORMS_PREFIX),
 262                                      dbuf.dptr,
 263                                      dbuf.dsize);
 264                         SAFE_FREE(dbuf.dptr);
 265                         continue;
 266                 }
 267
 268                 if (strncmp((const char *) kbuf.dptr, DRIVERS_PREFIX, strlen(DRIVERS_PREFIX)) == 0) {
 269                         printing_tdb_migrate_driver(tmp_ctx,
 270                                        winreg_pipe,
 271                                        (const char *) kbuf.dptr + strlen(DRIVERS_PREFIX),
 272                                        dbuf.dptr,
 273                                        dbuf.dsize);
 274                         SAFE_FREE(dbuf.dptr);
 275                         continue;
 276                 }
 277
 278                 if (strncmp((const char *) kbuf.dptr, PRINTERS_PREFIX, strlen(PRINTERS_PREFIX)) == 0) {
 279                         printing_tdb_migrate_printer(tmp_ctx,
 280                                         winreg_pipe,
 281                                         (const char *) kbuf.dptr + strlen(PRINTERS_PREFIX),
 282                                         dbuf.dptr,
 283                                         dbuf.dsize);
 284                         SAFE_FREE(dbuf.dptr);
 285                         continue;
 286                 }
 287                 SAFE_FREE(dbuf.dptr);
 288         }
 289
 290         for (kbuf = tdb_firstkey_compat(tdb);
 291              kbuf.dptr;
 292              kbuf = tdb_nextkey_compat(tdb, kbuf))
 293         {
 294                 dbuf = tdb_fetch_compat(tdb, kbuf);
 295                 if (!dbuf.dptr) {
 296                         continue;
 297                 }
 298
 299                 if (strncmp((const char *) kbuf.dptr, SECDESC_PREFIX, strlen(SECDESC_PREFIX)) == 0) {
 300                         printing_tdb_migrate_secdesc(tmp_ctx,
 301                                         winreg_pipe,
 302                                         (const char *) kbuf.dptr + strlen(SECDESC_PREFIX),
 303                                         dbuf.dptr,
 304                                         dbuf.dsize);
 305                         SAFE_FREE(dbuf.dptr);
 306                         continue;
 307                 }
 308                 SAFE_FREE(dbuf.dptr);
 309
 310         }
 311
 312         status = NT_STATUS_OK;
 313
 314  done:
 315         talloc_free(tmp_ctx);
 316         return status;
 317 }
 318
 319 static int net_printing_migrate(struct net_context *c,
 320                                 int argc,
 321                                 const char **argv)
 322 {
 323         if (argc < 1 || c->display_usage) {
 324                 d_printf(  "%s\n"
 325                            "net printing migrate <file.tdb>\n"
 326                            "    %s\n",
 327                          _("Usage:"),
 328                          _("Migrate tdb printing files to new storage"));
 329                 return 0;
 330         }
 331
 332         return run_rpc_command(c,
 333                                NULL,
 334                                &ndr_table_winreg,
 335                                0,
 336                                printing_migrate_internal,
 337                                argc,
 338                                argv);
 339 }
 340 /**
 341  * 'net printing' entrypoint.
 342  * @param argc  Standard main() style argc.
 343  * @param argv  Standard main() style argv. Initial components are already
 344  *              stripped.
 345  **/
 346
 347 int net_printing(struct net_context *c, int argc, const char **argv)
 348 {
 349         int ret = -1;
 350
 351         struct functable func[] = {
 352                 {
 353                         "dump",
 354                         net_printing_dump,
 355                         NET_TRANSPORT_LOCAL,
 356                         N_("Dump printer databases"),
 357                         N_("net printing dump\n"
 358                            "    Dump tdb printing file")
 359                 },
 360
 361                 {
 362                         "migrate",
 363                         net_printing_migrate,
 364                         NET_TRANSPORT_LOCAL | NET_TRANSPORT_RPC,
 365                         N_("Migrate printer databases"),
 366                         N_("net printing migrate\n"
 367                            "    Migrate tdb printing files to new storage")
 368                 },
 369
 370         { NULL, NULL, 0, NULL, NULL }
 371         };
 372
 373         ret = net_run_function(c, argc, argv, "net printing", func);
 374
 375         return ret;
 376 }