source3/registry/reg_backend_printing.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Virtual Windows Registry Layer
   4  *  Copyright (C) Gerald Carter                     2002-2005
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 /* Implementation of registry virtual views for printing information */
  21
  22 #include "includes.h"
  23 #include "registry.h"
  24
  25 #undef DBGC_CLASS
  26 #define DBGC_CLASS DBGC_REGISTRY
  27
  28 /* registrt paths used in the print_registry[] */
  29
  30 #define KEY_MONITORS            "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/MONITORS"
  31 #define KEY_FORMS               "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/FORMS"
  32 #define KEY_CONTROL_PRINTERS    "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/PRINTERS"
  33 #define KEY_ENVIRONMENTS        "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/ENVIRONMENTS"
  34 #define KEY_CONTROL_PRINT       "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT"
  35 #define KEY_WINNT_PRINTERS      "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PRINT/PRINTERS"
  36 #define KEY_WINNT_PRINT         "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PRINT"
  37 #define KEY_PORTS               "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PORTS"
  38
  39 /* callback table for various registry paths below the ones we service in this module */
  40
  41 struct reg_dyn_tree {
  42         /* full key path in normalized form */
  43         const char *path;
  44
  45         /* callbscks for fetch/store operations */
  46         int ( *fetch_subkeys) ( const char *path, struct regsubkey_ctr *subkeys );
  47         bool (*store_subkeys) ( const char *path, struct regsubkey_ctr *subkeys );
  48         int  (*fetch_values)  ( const char *path, struct regval_ctr *values );
  49         bool (*store_values)  ( const char *path, struct regval_ctr *values );
  50 };
  51
  52 /*********************************************************************
  53  *********************************************************************
  54  ** Utility Functions
  55  *********************************************************************
  56  *********************************************************************/
  57
  58 /***********************************************************************
  59  simple function to prune a pathname down to the basename of a file
  60  **********************************************************************/
  61
  62 static const char *dos_basename(const char *path)
  63 {
  64         const char *p;
  65
  66         if (!(p = strrchr( path, '\\'))) {
  67                 p = path;
  68         } else {
  69                 p++;
  70         }
  71
  72         return p;
  73 }
  74
  75 /*********************************************************************
  76  *********************************************************************
  77  ** "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/FORMS"
  78  *********************************************************************
  79  *********************************************************************/
  80
  81 static int key_forms_fetch_keys(const char *key, struct regsubkey_ctr *subkeys)
  82 {
  83         char *p = reg_remaining_path(talloc_tos(), key + strlen(KEY_FORMS));
  84
  85         /* no keys below Forms */
  86
  87         if (p) {
  88                 return -1;
  89         }
  90
  91         return 0;
  92 }
  93
  94 /**********************************************************************
  95  *********************************************************************/
  96
  97 static int key_forms_fetch_values(const char *key, struct regval_ctr *values)
  98 {
  99         uint32          data[8];
 100         int             i, num_values, form_index = 1;
 101         nt_forms_struct *forms_list = NULL;
 102         nt_forms_struct *form;
 103
 104         DEBUG(10,("print_values_forms: key=>[%s]\n", key ? key : "NULL" ));
 105
 106         num_values = get_ntforms( &forms_list );
 107
 108         DEBUG(10,("hive_forms_fetch_values: [%d] user defined forms returned\n",
 109                 num_values));
 110
 111         /* handle user defined forms */
 112
 113         for ( i=0; i<num_values; i++ ) {
 114                 form = &forms_list[i];
 115
 116                 data[0] = form->width;
 117                 data[1] = form->length;
 118                 data[2] = form->left;
 119                 data[3] = form->top;
 120                 data[4] = form->right;
 121                 data[5] = form->bottom;
 122                 data[6] = form_index++;
 123                 data[7] = form->flag;
 124
 125                 regval_ctr_addvalue( values, form->name, REG_BINARY, (char*)data, sizeof(data) );
 126         }
 127
 128         SAFE_FREE( forms_list );
 129         forms_list = NULL;
 130
 131         /* handle built-on forms */
 132
 133         num_values = get_builtin_ntforms( &forms_list );
 134
 135         DEBUG(10,("print_subpath_values_forms: [%d] built-in forms returned\n",
 136                 num_values));
 137
 138         for ( i=0; i<num_values; i++ ) {
 139                 form = &forms_list[i];
 140
 141                 data[0] = form->width;
 142                 data[1] = form->length;
 143                 data[2] = form->left;
 144                 data[3] = form->top;
 145                 data[4] = form->right;
 146                 data[5] = form->bottom;
 147                 data[6] = form_index++;
 148                 data[7] = form->flag;
 149
 150                 regval_ctr_addvalue(values, form->name, REG_BINARY, (char*)data, sizeof(data) );
 151         }
 152
 153         SAFE_FREE(forms_list);
 154
 155         return regval_ctr_numvals(values);
 156 }
 157
 158 /*********************************************************************
 159  *********************************************************************
 160  ** "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/PRINTERS"
 161  ** "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PRINT/PRINTERS"
 162  *********************************************************************
 163  *********************************************************************/
 164
 165 /*********************************************************************
 166  strip off prefix for printers key.  DOes return a pointer to static
 167  memory.
 168  *********************************************************************/
 169
 170 static char *strip_printers_prefix(const char *key)
 171 {
 172         char *subkeypath = NULL;
 173         char *path = NULL;
 174         TALLOC_CTX *ctx = talloc_tos();
 175
 176         path = talloc_strdup(ctx, key);
 177         if (!path) {
 178                 return NULL;
 179         }
 180         path = normalize_reg_path(ctx, path);
 181         if (!path) {
 182                 return NULL;
 183         }
 184
 185         /* normalizing the path does not change length, just key delimiters and case */
 186
 187         if (strncmp(path, KEY_WINNT_PRINTERS, strlen(KEY_WINNT_PRINTERS)) == 0) {
 188                 subkeypath = reg_remaining_path(ctx, key + strlen(KEY_WINNT_PRINTERS));
 189         } else {
 190                 subkeypath = reg_remaining_path(ctx, key + strlen(KEY_CONTROL_PRINTERS));
 191         }
 192
 193         TALLOC_FREE(path);
 194         return subkeypath;
 195 }
 196
 197 /*********************************************************************
 198  *********************************************************************/
 199
 200 static int key_printers_fetch_keys( const char *key, struct regsubkey_ctr *subkeys )
 201 {
 202         int n_services = lp_numservices();
 203         int snum;
 204         fstring sname;
 205         int i;
 206         int num_subkeys = 0;
 207         char *printers_key;
 208         char *printername, *printerdatakey;
 209         NT_PRINTER_INFO_LEVEL *printer = NULL;
 210         fstring *subkey_names = NULL;
 211
 212         DEBUG(10,("key_printers_fetch_keys: key=>[%s]\n", key ? key : "NULL" ));
 213
 214         printers_key = strip_printers_prefix( key );
 215
 216         if ( !printers_key ) {
 217                 /* enumerate all printers */
 218
 219                 for (snum=0; snum<n_services; snum++) {
 220                         if ( !(lp_snum_ok(snum) && lp_print_ok(snum) ) )
 221                                 continue;
 222
 223                         /* don't report the [printers] share */
 224
 225                         if ( strequal( lp_servicename(snum), PRINTERS_NAME ) )
 226                                 continue;
 227
 228                         fstrcpy( sname, lp_servicename(snum) );
 229
 230                         regsubkey_ctr_addkey( subkeys, sname );
 231                 }
 232
 233                 num_subkeys = regsubkey_ctr_numkeys( subkeys );
 234                 goto done;
 235         }
 236
 237         /* get information for a specific printer */
 238
 239         if (!reg_split_path( printers_key, &printername, &printerdatakey )) {
 240                 return -1;
 241         }
 242
 243         /* validate the printer name */
 244
 245         for (snum=0; snum<n_services; snum++) {
 246                 if ( !lp_snum_ok(snum) || !lp_print_ok(snum) )
 247                         continue;
 248                 if (strequal( lp_servicename(snum), printername ) )
 249                         break;
 250         }
 251
 252         if ( snum>=n_services
 253                 || !W_ERROR_IS_OK( get_a_printer(NULL, &printer, 2, printername) ) )
 254         {
 255                 return -1;
 256         }
 257
 258         num_subkeys = get_printer_subkeys( printer->info_2->data, printerdatakey?printerdatakey:"", &subkey_names );
 259
 260         for ( i=0; i<num_subkeys; i++ )
 261                 regsubkey_ctr_addkey( subkeys, subkey_names[i] );
 262
 263         free_a_printer( &printer, 2 );
 264
 265         /* no other subkeys below here */
 266
 267 done:
 268         SAFE_FREE( subkey_names );
 269
 270         return num_subkeys;
 271 }
 272
 273 /**********************************************************************
 274  Take a list of names and call add_printer_hook() if necessary
 275  Note that we do this a little differently from Windows since the
 276  keyname is the sharename and not the printer name.
 277  *********************************************************************/
 278
 279 static bool add_printers_by_registry( struct regsubkey_ctr *subkeys )
 280 {
 281         int i, num_keys, snum;
 282         char *printername;
 283         NT_PRINTER_INFO_LEVEL_2 info2;
 284         NT_PRINTER_INFO_LEVEL printer;
 285
 286         ZERO_STRUCT( info2 );
 287         printer.info_2 = &info2;
 288
 289         num_keys = regsubkey_ctr_numkeys( subkeys );
 290
 291         become_root();
 292         for ( i=0; i<num_keys; i++ ) {
 293                 printername = regsubkey_ctr_specific_key( subkeys, i );
 294                 snum = find_service( printername );
 295
 296                 /* just verify a valied snum for now */
 297                 if ( snum == -1 ) {
 298                         fstrcpy( info2.printername, printername );
 299                         fstrcpy( info2.sharename, printername );
 300                         if ( !add_printer_hook(talloc_tos(), NULL, &printer ) ) {
 301                                 DEBUG(0,("add_printers_by_registry: Failed to add printer [%s]\n",
 302                                         printername));
 303                         }
 304                 }
 305         }
 306         unbecome_root();
 307
 308         return True;
 309 }
 310
 311 /**********************************************************************
 312  *********************************************************************/
 313
 314 static bool key_printers_store_keys( const char *key, struct regsubkey_ctr *subkeys )
 315 {
 316         char *printers_key;
 317         char *printername, *printerdatakey;
 318         NT_PRINTER_INFO_LEVEL *printer = NULL;
 319         int i, num_subkeys, num_existing_keys;
 320         char *subkeyname;
 321         fstring *existing_subkeys = NULL;
 322
 323         printers_key = strip_printers_prefix( key );
 324
 325         if ( !printers_key ) {
 326                 /* have to deal with some new or deleted printer */
 327                 return add_printers_by_registry( subkeys );
 328         }
 329
 330         if (!reg_split_path( printers_key, &printername, &printerdatakey )) {
 331                 return False;
 332         }
 333
 334         /* lookup the printer */
 335
 336         if ( !W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, printername)) ) {
 337                 DEBUG(0,("key_printers_store_keys: Tried to store subkey for bad printername %s\n",
 338                         printername));
 339                 return False;
 340         }
 341
 342         /* get the top level printer keys */
 343
 344         num_existing_keys = get_printer_subkeys( printer->info_2->data, "", &existing_subkeys );
 345
 346         for ( i=0; i<num_existing_keys; i++ ) {
 347
 348                 /* remove the key if it has been deleted */
 349
 350                 if ( !regsubkey_ctr_key_exists( subkeys, existing_subkeys[i] ) ) {
 351                         DEBUG(5,("key_printers_store_keys: deleting key %s\n",
 352                                 existing_subkeys[i]));
 353                         delete_printer_key( printer->info_2->data, existing_subkeys[i] );
 354                 }
 355         }
 356
 357         num_subkeys = regsubkey_ctr_numkeys( subkeys );
 358         for ( i=0; i<num_subkeys; i++ ) {
 359                 subkeyname = regsubkey_ctr_specific_key(subkeys, i);
 360                 /* add any missing printer keys */
 361                 if ( lookup_printerkey(printer->info_2->data, subkeyname) == -1 ) {
 362                         DEBUG(5,("key_printers_store_keys: adding key %s\n",
 363                                 existing_subkeys[i]));
 364                         if ( add_new_printer_key( printer->info_2->data, subkeyname ) == -1 ) {
 365                                 SAFE_FREE( existing_subkeys );
 366                                 return False;
 367                         }
 368                 }
 369         }
 370
 371         /* write back to disk */
 372
 373         mod_a_printer( printer, 2 );
 374
 375         /* cleanup */
 376
 377         free_a_printer( &printer, 2 );
 378
 379         SAFE_FREE( existing_subkeys );
 380
 381         return True;
 382 }
 383
 384 /**********************************************************************
 385  *********************************************************************/
 386
 387 static void fill_in_printer_values(NT_PRINTER_INFO_LEVEL_2 *info2, struct regval_ctr *values)
 388 {
 389         struct spoolss_DeviceMode *devmode;
 390         char            *p;
 391         uint32 printer_status = PRINTER_STATUS_OK;
 392
 393         regval_ctr_addvalue( values, "Attributes",       REG_DWORD, (char*)&info2->attributes,       sizeof(info2->attributes) );
 394         regval_ctr_addvalue( values, "Priority",         REG_DWORD, (char*)&info2->priority,         sizeof(info2->attributes) );
 395         regval_ctr_addvalue( values, "ChangeID",         REG_DWORD, (char*)&info2->changeid,         sizeof(info2->changeid) );
 396         regval_ctr_addvalue( values, "Default Priority", REG_DWORD, (char*)&info2->default_priority, sizeof(info2->default_priority) );
 397
 398         /* lie and say everything is ok since we don't want to call print_queue_length() to get the real status */
 399         regval_ctr_addvalue( values, "Status",           REG_DWORD, (char*)&printer_status,          sizeof(info2->status) );
 400
 401         regval_ctr_addvalue( values, "StartTime",        REG_DWORD, (char*)&info2->starttime,        sizeof(info2->starttime) );
 402         regval_ctr_addvalue( values, "UntilTime",        REG_DWORD, (char*)&info2->untiltime,        sizeof(info2->untiltime) );
 403
 404         /* strip the \\server\ from this string */
 405         if ( !(p = strrchr( info2->printername, '\\' ) ) )
 406                 p = info2->printername;
 407         else
 408                 p++;
 409
 410         regval_ctr_addvalue_sz(values, "Name", p);
 411         regval_ctr_addvalue_sz(values, "Location", info2->location);
 412         regval_ctr_addvalue_sz(values, "Description", info2->comment);
 413         regval_ctr_addvalue_sz(values, "Parameters", info2->parameters);
 414         regval_ctr_addvalue_sz(values, "Port", info2->portname);
 415         regval_ctr_addvalue_sz(values, "Share Name", info2->sharename);
 416         regval_ctr_addvalue_sz(values, "Printer Driver", info2->drivername);
 417         regval_ctr_addvalue_sz(values, "Separator File", info2->sepfile);
 418         regval_ctr_addvalue_sz(values, "Print Processor", info2->printprocessor);
 419         regval_ctr_addvalue_sz(values, "Datatype", info2->datatype);
 420
 421         /* stream the device mode */
 422
 423         devmode = construct_dev_mode(values,info2->sharename);
 424         if (devmode) {
 425                 DATA_BLOB blob;
 426                 enum ndr_err_code ndr_err;
 427
 428                 ndr_err = ndr_push_struct_blob(&blob, values, devmode,
 429                                 (ndr_push_flags_fn_t)ndr_push_spoolss_DeviceMode);
 430
 431                 if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 432                         regval_ctr_addvalue(values, "Default Devmode", REG_BINARY,
 433                                             (const char *)blob.data, blob.length);
 434                 }
 435         }
 436
 437         /* stream the printer security descriptor */
 438
 439         if (info2->secdesc_buf &&
 440             info2->secdesc_buf->sd &&
 441             info2->secdesc_buf->sd_size)
 442         {
 443                 NTSTATUS status;
 444                 DATA_BLOB blob;
 445
 446                 status = marshall_sec_desc(values, info2->secdesc_buf->sd,
 447                                            &blob.data, &blob.length);
 448                 if (NT_STATUS_IS_OK(status)) {
 449                         regval_ctr_addvalue(values, "Security", REG_BINARY,
 450                                             (const char *)blob.data, blob.length);
 451                 }
 452         }
 453
 454         return;
 455 }
 456
 457 /**********************************************************************
 458  *********************************************************************/
 459
 460 static int key_printers_fetch_values(const char *key, struct regval_ctr *values)
 461 {
 462         int             num_values;
 463         char            *printers_key;
 464         char            *printername, *printerdatakey;
 465         NT_PRINTER_INFO_LEVEL   *printer = NULL;
 466         NT_PRINTER_DATA *p_data;
 467         int             i, key_index;
 468
 469         printers_key = strip_printers_prefix( key );
 470
 471         /* top level key values stored in the registry has no values */
 472
 473         if ( !printers_key ) {
 474                 /* normalize to the 'HKLM\SOFTWARE\...\Print\Printers' key */
 475                 return regdb_fetch_values( KEY_WINNT_PRINTERS, values );
 476         }
 477
 478         /* lookup the printer object */
 479
 480         if (!reg_split_path( printers_key, &printername, &printerdatakey )) {
 481                 return -1;
 482         }
 483
 484         if ( !W_ERROR_IS_OK( get_a_printer(NULL, &printer, 2, printername) ) )
 485                 goto done;
 486
 487         if ( !printerdatakey ) {
 488                 fill_in_printer_values( printer->info_2, values );
 489                 goto done;
 490         }
 491
 492         /* iterate over all printer data keys and fill the regval container */
 493
 494         p_data = printer->info_2->data;
 495         if ( (key_index = lookup_printerkey( p_data, printerdatakey )) == -1  ) {
 496                 /* failure....should never happen if the client has a valid open handle first */
 497                 DEBUG(10,("key_printers_fetch_values: Unknown keyname [%s]\n", printerdatakey));
 498                 free_a_printer( &printer, 2 );
 499                 return -1;
 500         }
 501
 502         num_values = regval_ctr_numvals( p_data->keys[key_index].values );
 503         for ( i=0; i<num_values; i++ )
 504                 regval_ctr_copyvalue( values, regval_ctr_specific_value(p_data->keys[key_index].values, i) );
 505
 506
 507 done:
 508         if ( printer )
 509                 free_a_printer( &printer, 2 );
 510
 511         return regval_ctr_numvals( values );
 512 }
 513
 514 /**********************************************************************
 515  *********************************************************************/
 516
 517 #define REG_IDX_ATTRIBUTES              1
 518 #define REG_IDX_PRIORITY                2
 519 #define REG_IDX_DEFAULT_PRIORITY        3
 520 #define REG_IDX_CHANGEID                4
 521 #define REG_IDX_STATUS                  5
 522 #define REG_IDX_STARTTIME               6
 523 #define REG_IDX_NAME                    7
 524 #define REG_IDX_LOCATION                8
 525 #define REG_IDX_DESCRIPTION             9
 526 #define REG_IDX_PARAMETERS              10
 527 #define REG_IDX_PORT                    12
 528 #define REG_IDX_SHARENAME               13
 529 #define REG_IDX_DRIVER                  14
 530 #define REG_IDX_SEP_FILE                15
 531 #define REG_IDX_PRINTPROC               16
 532 #define REG_IDX_DATATYPE                17
 533 #define REG_IDX_DEVMODE                 18
 534 #define REG_IDX_SECDESC                 19
 535 #define REG_IDX_UNTILTIME               20
 536
 537 struct {
 538         const char *name;
 539         int index;
 540 } printer_values_map[] = {
 541         { "Attributes",         REG_IDX_ATTRIBUTES },
 542         { "Priority",           REG_IDX_PRIORITY },
 543         { "Default Priority",   REG_IDX_DEFAULT_PRIORITY },
 544         { "ChangeID",           REG_IDX_CHANGEID },
 545         { "Status",             REG_IDX_STATUS },
 546         { "StartTime",          REG_IDX_STARTTIME },
 547         { "UntilTime",          REG_IDX_UNTILTIME },
 548         { "Name",               REG_IDX_NAME },
 549         { "Location",           REG_IDX_LOCATION },
 550         { "Description",        REG_IDX_DESCRIPTION },
 551         { "Parameters",         REG_IDX_PARAMETERS },
 552         { "Port",               REG_IDX_PORT },
 553         { "Share Name",         REG_IDX_SHARENAME },
 554         { "Printer Driver",     REG_IDX_DRIVER },
 555         { "Separator File",     REG_IDX_SEP_FILE },
 556         { "Print Processor",    REG_IDX_PRINTPROC },
 557         { "Datatype",           REG_IDX_DATATYPE },
 558         { "Default Devmode",    REG_IDX_DEVMODE },
 559         { "Security",           REG_IDX_SECDESC },
 560         { NULL, -1 }
 561 };
 562
 563
 564 static int find_valuename_index( const char *valuename )
 565 {
 566         int i;
 567
 568         for ( i=0; printer_values_map[i].name; i++ ) {
 569                 if ( strequal( valuename, printer_values_map[i].name ) )
 570                         return printer_values_map[i].index;
 571         }
 572
 573         return -1;
 574 }
 575
 576 /**********************************************************************
 577  *********************************************************************/
 578
 579 static void pull_reg_sz_fstring(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, fstring s)
 580 {
 581         const char *str;
 582         pull_reg_sz(mem_ctx, blob, &str);
 583         fstrcpy(s, str);
 584 }
 585
 586 static void convert_values_to_printer_info_2(TALLOC_CTX *mem_ctx,
 587                                              NT_PRINTER_INFO_LEVEL_2 *printer2,
 588                                              struct regval_ctr *values)
 589 {
 590         int num_values = regval_ctr_numvals( values );
 591         uint32 value_index;
 592         struct regval_blob *val;
 593         int i;
 594
 595         for ( i=0; i<num_values; i++ ) {
 596                 DATA_BLOB blob;
 597                 val = regval_ctr_specific_value( values, i );
 598                 value_index = find_valuename_index( regval_name( val ) );
 599
 600                 blob = data_blob_const(regval_data_p(val), regval_size(val));
 601
 602                 switch( value_index ) {
 603                         case REG_IDX_ATTRIBUTES:
 604                                 printer2->attributes = (uint32)(*regval_data_p(val));
 605                                 break;
 606                         case REG_IDX_PRIORITY:
 607                                 printer2->priority = (uint32)(*regval_data_p(val));
 608                                 break;
 609                         case REG_IDX_DEFAULT_PRIORITY:
 610                                 printer2->default_priority = (uint32)(*regval_data_p(val));
 611                                 break;
 612                         case REG_IDX_CHANGEID:
 613                                 printer2->changeid = (uint32)(*regval_data_p(val));
 614                                 break;
 615                         case REG_IDX_STARTTIME:
 616                                 printer2->starttime = (uint32)(*regval_data_p(val));
 617                                 break;
 618                         case REG_IDX_UNTILTIME:
 619                                 printer2->untiltime = (uint32)(*regval_data_p(val));
 620                                 break;
 621                         case REG_IDX_NAME:
 622                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->printername);
 623                                 break;
 624                         case REG_IDX_LOCATION:
 625                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->location);
 626                                 break;
 627                         case REG_IDX_DESCRIPTION:
 628                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->comment);
 629                                 break;
 630                         case REG_IDX_PARAMETERS:
 631                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->parameters);
 632                                 break;
 633                         case REG_IDX_PORT:
 634                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->portname);
 635                                 break;
 636                         case REG_IDX_SHARENAME:
 637                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->sharename);
 638                                 break;
 639                         case REG_IDX_DRIVER:
 640                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->drivername);
 641                                 break;
 642                         case REG_IDX_SEP_FILE:
 643                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->sepfile);
 644                                 break;
 645                         case REG_IDX_PRINTPROC:
 646                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->printprocessor);
 647                                 break;
 648                         case REG_IDX_DATATYPE:
 649                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->datatype);
 650                                 break;
 651                         case REG_IDX_DEVMODE:
 652                                 break;
 653                         case REG_IDX_SECDESC:
 654                                 break;
 655                         default:
 656                                 /* unsupported value...throw away */
 657                                 DEBUG(8,("convert_values_to_printer_info_2: Unsupported registry value [%s]\n",
 658                                         regval_name( val ) ));
 659                 }
 660         }
 661
 662         return;
 663 }
 664
 665 /**********************************************************************
 666  *********************************************************************/
 667
 668 static bool key_printers_store_values(const char *key, struct regval_ctr *values)
 669 {
 670         char *printers_key;
 671         char *printername, *keyname;
 672         NT_PRINTER_INFO_LEVEL   *printer = NULL;
 673         WERROR result;
 674         TALLOC_CTX *mem_ctx = talloc_init("key_printers_store_values");
 675
 676         printers_key = strip_printers_prefix( key );
 677
 678         /* values in the top level key get stored in the registry */
 679
 680         if ( !printers_key ) {
 681                 /* normalize on the 'HKLM\SOFTWARE\....\Print\Printers' key */
 682                 return regdb_store_values( KEY_WINNT_PRINTERS, values );
 683         }
 684
 685         if (!reg_split_path( printers_key, &printername, &keyname )) {
 686                 return False;
 687         }
 688
 689         if ( !W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, printername) ) )
 690                 return False;
 691
 692         /* deal with setting values directly under the printername */
 693
 694         if ( !keyname ) {
 695                 convert_values_to_printer_info_2(mem_ctx, printer->info_2, values );
 696         }
 697         else {
 698                 int num_values = regval_ctr_numvals( values );
 699                 int i;
 700                 struct regval_blob *val;
 701
 702                 delete_printer_key( printer->info_2->data, keyname );
 703
 704                 /* deal with any subkeys */
 705                 for ( i=0; i<num_values; i++ ) {
 706                         val = regval_ctr_specific_value( values, i );
 707                         result = set_printer_dataex( printer, keyname,
 708                                 regval_name( val ),
 709                                 regval_type( val ),
 710                                 regval_data_p( val ),
 711                                 regval_size( val ) );
 712                         if ( !W_ERROR_IS_OK(result) ) {
 713                                 DEBUG(0,("key_printers_store_values: failed to set printer data [%s]!\n",
 714                                         keyname));
 715                                 free_a_printer( &printer, 2 );
 716                                 talloc_destroy(mem_ctx);
 717                                 return False;
 718                         }
 719                 }
 720         }
 721
 722         result = mod_a_printer( printer, 2 );
 723
 724         free_a_printer( &printer, 2 );
 725         talloc_destroy(mem_ctx);
 726
 727         return W_ERROR_IS_OK(result);
 728 }
 729
 730 /*********************************************************************
 731  *********************************************************************
 732  ** "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/ENVIRONMENTS"
 733  *********************************************************************
 734  *********************************************************************/
 735
 736 static int key_driver_fetch_keys( const char *key, struct regsubkey_ctr *subkeys )
 737 {
 738         const char *environments[] = {
 739                 "Windows 4.0",
 740                 "Windows NT x86",
 741                 "Windows NT R4000",
 742                 "Windows NT Alpha_AXP",
 743                 "Windows NT PowerPC",
 744                 "Windows IA64",
 745                 "Windows x64",
 746                 NULL };
 747         fstring *drivers = NULL;
 748         int i, env_index, num_drivers;
 749         char *keystr, *base, *subkeypath;
 750         char *key2 = NULL;
 751         int num_subkeys = -1;
 752         int version;
 753         TALLOC_CTX *ctx = talloc_tos();
 754
 755         DEBUG(10,("key_driver_fetch_keys key=>[%s]\n", key ? key : "NULL" ));
 756
 757         keystr = reg_remaining_path(ctx, key + strlen(KEY_ENVIRONMENTS) );
 758
 759         /* list all possible architectures */
 760
 761         if ( !keystr ) {
 762                 for ( num_subkeys=0; environments[num_subkeys]; num_subkeys++ )
 763                         regsubkey_ctr_addkey( subkeys,  environments[num_subkeys] );
 764
 765                 return num_subkeys;
 766         }
 767
 768         /* we are dealing with a subkey of "Environments */
 769         key2 = talloc_strdup(ctx, keystr);
 770         if (!key2) {
 771                 return -1;
 772         }
 773         keystr = key2;
 774         if (!reg_split_path(keystr, &base, &subkeypath )) {
 775                 return -1;
 776         }
 777
 778         /* sanity check */
 779
 780         for ( env_index=0; environments[env_index]; env_index++ ) {
 781                 if ( strequal( environments[env_index], base ) )
 782                         break;
 783         }
 784         if ( !environments[env_index] )
 785                 return -1;
 786
 787         /* ...\Print\Environements\...\ */
 788
 789         if ( !subkeypath ) {
 790                 regsubkey_ctr_addkey( subkeys, "Drivers" );
 791                 regsubkey_ctr_addkey( subkeys, "Print Processors" );
 792
 793                 return 2;
 794         }
 795
 796         /* more of the key path to process */
 797
 798         keystr = subkeypath;
 799         if (!reg_split_path( keystr, &base, &subkeypath )) {
 800                 return -1;
 801         }
 802
 803         /* ...\Print\Environements\...\Drivers\ */
 804
 805         if ( !subkeypath ) {
 806                 if ( strequal(base, "Drivers") ) {
 807                         switch ( env_index ) {
 808                                 case 0: /* Win9x */
 809                                         regsubkey_ctr_addkey( subkeys, "Version-0" );
 810                                         break;
 811                                 default: /* Windows NT based systems */
 812                                         regsubkey_ctr_addkey( subkeys, "Version-2" );
 813                                         regsubkey_ctr_addkey( subkeys, "Version-3" );
 814                                         break;
 815                         }
 816
 817                         return regsubkey_ctr_numkeys( subkeys );
 818                 } else if ( strequal(base, "Print Processors") ) {
 819                         if ( env_index == 1 || env_index == 5 || env_index == 6 )
 820
 821
 822                         return regsubkey_ctr_numkeys( subkeys );
 823                 } else
 824                         return -1;      /* bad path */
 825         }
 826
 827         /* we finally get to enumerate the drivers */
 828
 829         /* only one possible subkey below PrintProc key */
 830
 831         if ( strequal(base, "Print Processors") ) {
 832                 keystr = subkeypath;
 833                 if (!reg_split_path( keystr, &base, &subkeypath )) {
 834                         return -1;
 835                 }
 836
 837                 /* no subkeys below this point */
 838
 839                 if ( subkeypath )
 840                         return -1;
 841
 842                 /* only allow one keyname here -- 'winprint' */
 843
 844                 return strequal( base, "winprint" ) ? 0 : -1;
 845         }
 846
 847         /* only dealing with drivers from here on out */
 848
 849         keystr = subkeypath;
 850         if (!reg_split_path( keystr, &base, &subkeypath )) {
 851                 return -1;
 852         }
 853
 854         version = atoi(&base[strlen(base)-1]);
 855
 856         switch (env_index) {
 857         case 0:
 858                 if ( version != 0 )
 859                         return -1;
 860                 break;
 861         default:
 862                 if ( version != 2 && version != 3 )
 863                         return -1;
 864                 break;
 865         }
 866
 867
 868         if ( !subkeypath ) {
 869                 num_drivers = get_ntdrivers( &drivers, environments[env_index], version );
 870                 for ( i=0; i<num_drivers; i++ )
 871                         regsubkey_ctr_addkey( subkeys, drivers[i] );
 872
 873                 return regsubkey_ctr_numkeys( subkeys );
 874         }
 875
 876         /* if anything else left, just say if has no subkeys */
 877
 878         DEBUG(1,("key_driver_fetch_keys unhandled key [%s] (subkey == %s)\n",
 879                 key, subkeypath ));
 880
 881         return 0;
 882 }
 883
 884
 885 /**********************************************************************
 886  *********************************************************************/
 887
 888 static void fill_in_driver_values(const struct spoolss_DriverInfo8 *r,
 889                                   struct regval_ctr *values)
 890 {
 891         char *buffer = NULL;
 892         int buffer_size = 0;
 893         int i, length;
 894         const char *filename;
 895         DATA_BLOB data;
 896
 897         filename = dos_basename(r->driver_path);
 898         regval_ctr_addvalue_sz(values, "Driver", filename);
 899
 900         filename = dos_basename(r->config_file);
 901         regval_ctr_addvalue_sz(values, "Configuration File", filename);
 902
 903         filename = dos_basename(r->data_file);
 904         regval_ctr_addvalue_sz(values, "Data File", filename);
 905
 906         filename = dos_basename(r->help_file);
 907         regval_ctr_addvalue_sz(values, "Help File", filename);
 908
 909         regval_ctr_addvalue_sz(values, "Datatype", r->default_datatype);
 910         regval_ctr_addvalue_sz(values, "Monitor", r->monitor_name);
 911
 912         regval_ctr_addvalue( values, "Version", REG_DWORD, (char*)&r->version,
 913                 sizeof(r->version) );
 914
 915         if (r->dependent_files) {
 916                 /* place the list of dependent files in a single
 917                    character buffer, separating each file name by
 918                    a NULL */
 919
 920                 for (i=0; r->dependent_files[i] && strcmp(r->dependent_files[i], ""); i++) {
 921                         /* strip the path to only the file's base name */
 922
 923                         filename = dos_basename(r->dependent_files[i]);
 924
 925                         length = strlen(filename);
 926
 927                         buffer = (char *)SMB_REALLOC( buffer, buffer_size + (length + 1)*sizeof(uint16) );
 928                         if ( !buffer ) {
 929                                 break;
 930                         }
 931
 932                         push_reg_sz(talloc_tos(), &data, filename);
 933                         memcpy( buffer+buffer_size, (char*)data.data, data.length);
 934
 935                         buffer_size += (length + 1)*sizeof(uint16);
 936                 }
 937
 938                 /* terminated by double NULL.  Add the final one here */
 939
 940                 buffer = (char *)SMB_REALLOC( buffer, buffer_size + 2 );
 941                 if ( !buffer ) {
 942                         buffer_size = 0;
 943                 } else {
 944                         buffer[buffer_size++] = '\0';
 945                         buffer[buffer_size++] = '\0';
 946                 }
 947         }
 948
 949         regval_ctr_addvalue( values, "Dependent Files",    REG_MULTI_SZ, buffer, buffer_size );
 950
 951         SAFE_FREE( buffer );
 952
 953         return;
 954 }
 955
 956 /**********************************************************************
 957  *********************************************************************/
 958
 959 static int driver_arch_fetch_values(char *key, struct regval_ctr *values)
 960 {
 961         char            *keystr, *base, *subkeypath;
 962         fstring         arch_environment;
 963         fstring         driver;
 964         int             version;
 965         struct spoolss_DriverInfo8 *driver_ctr;
 966         WERROR          w_result;
 967
 968         if (!reg_split_path( key, &base, &subkeypath )) {
 969                 return -1;
 970         }
 971
 972         /* no values in 'Environments\Drivers\Windows NT x86' */
 973
 974         if ( !subkeypath )
 975                 return 0;
 976
 977         /* We have the Architecture string and some subkey name:
 978            Currently we only support
 979            * Drivers
 980            * Print Processors
 981            Anything else is an error.
 982            */
 983
 984         fstrcpy( arch_environment, base );
 985
 986         keystr = subkeypath;
 987         if (!reg_split_path( keystr, &base, &subkeypath )) {
 988                 return -1;
 989         }
 990
 991         if ( strequal(base, "Print Processors") )
 992                 return 0;
 993
 994         /* only Drivers key can be left */
 995
 996         if ( !strequal(base, "Drivers") )
 997                 return -1;
 998
 999         if ( !subkeypath )
1000                 return 0;
1001
1002         /* We know that we have Architechure\Drivers with some subkey name
1003            The subkey name has to be Version-XX */
1004
1005         keystr = subkeypath;
1006         if (!reg_split_path( keystr, &base, &subkeypath )) {
1007                 return -1;
1008         }
1009
1010         if ( !subkeypath )
1011                 return 0;
1012
1013         version = atoi(&base[strlen(base)-1]);
1014
1015         /* BEGIN PRINTER DRIVER NAME BLOCK */
1016
1017         keystr = subkeypath;
1018         if (!reg_split_path( keystr, &base, &subkeypath )) {
1019                 return -1;
1020         }
1021
1022         /* don't go any deeper for now */
1023
1024         fstrcpy( driver, base );
1025
1026         w_result = get_a_printer_driver(talloc_tos(), &driver_ctr, driver, arch_environment, version);
1027
1028         if ( !W_ERROR_IS_OK(w_result) )
1029                 return -1;
1030
1031         fill_in_driver_values(driver_ctr, values);
1032
1033         free_a_printer_driver(driver_ctr);
1034
1035         /* END PRINTER DRIVER NAME BLOCK */
1036
1037
1038         DEBUG(8,("key_driver_fetch_values: Exit\n"));
1039
1040         return regval_ctr_numvals( values );
1041 }
1042
1043 /**********************************************************************
1044  *********************************************************************/
1045
1046 static int key_driver_fetch_values(const char *key, struct regval_ctr *values)
1047 {
1048         char *keystr = NULL;
1049         char *subkey = NULL;
1050         TALLOC_CTX *ctx = talloc_tos();
1051
1052         DEBUG(8,("key_driver_fetch_values: Enter key => [%s]\n", key ? key : "NULL"));
1053
1054         /* no values in the Environments key */
1055
1056         if (!(keystr = reg_remaining_path(ctx, key + strlen(KEY_ENVIRONMENTS))))
1057                 return 0;
1058
1059         subkey = talloc_strdup(ctx, keystr);
1060         if (!subkey) {
1061                 return 0;
1062         }
1063
1064         /* pass off to handle subkeys */
1065
1066         return driver_arch_fetch_values( subkey, values );
1067 }
1068
1069 /*********************************************************************
1070  *********************************************************************
1071  ** "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT"
1072  *********************************************************************
1073  *********************************************************************/
1074
1075 static int key_print_fetch_keys( const char *key, struct regsubkey_ctr *subkeys )
1076 {
1077         int key_len = strlen(key);
1078
1079         /* no keys below 'Print' handled here */
1080
1081         if ( (key_len != strlen(KEY_CONTROL_PRINT)) && (key_len != strlen(KEY_WINNT_PRINT)) )
1082                 return -1;
1083
1084         regsubkey_ctr_addkey( subkeys, "Environments" );
1085         regsubkey_ctr_addkey( subkeys, "Monitors" );
1086         regsubkey_ctr_addkey( subkeys, "Forms" );
1087         regsubkey_ctr_addkey( subkeys, "Printers" );
1088
1089         return regsubkey_ctr_numkeys( subkeys );
1090 }
1091
1092 /**********************************************************************
1093  *********************************************************************
1094  ** Structure to hold dispatch table of ops for various printer keys.
1095  ** Make sure to always store deeper keys along the same path first so
1096  ** we ge a more specific match.
1097  *********************************************************************
1098  *********************************************************************/
1099
1100 static struct reg_dyn_tree print_registry[] = {
1101 /* just pass the monitor onto the registry tdb */
1102 { KEY_MONITORS,
1103         &regdb_fetch_keys,
1104         &regdb_store_keys,
1105         &regdb_fetch_values,
1106         &regdb_store_values },
1107 { KEY_FORMS,
1108         &key_forms_fetch_keys,
1109         NULL,
1110         &key_forms_fetch_values,
1111         NULL },
1112 { KEY_CONTROL_PRINTERS,
1113         &key_printers_fetch_keys,
1114         &key_printers_store_keys,
1115         &key_printers_fetch_values,
1116         &key_printers_store_values },
1117 { KEY_ENVIRONMENTS,
1118         &key_driver_fetch_keys,
1119         NULL,
1120         &key_driver_fetch_values,
1121         NULL },
1122 { KEY_CONTROL_PRINT,
1123         &key_print_fetch_keys,
1124         NULL,
1125         NULL,
1126         NULL },
1127 { KEY_WINNT_PRINTERS,
1128         &key_printers_fetch_keys,
1129         &key_printers_store_keys,
1130         &key_printers_fetch_values,
1131         &key_printers_store_values },
1132 { KEY_PORTS,
1133         &regdb_fetch_keys,
1134         &regdb_store_keys,
1135         &regdb_fetch_values,
1136         &regdb_store_values },
1137
1138 { NULL, NULL, NULL, NULL, NULL }
1139 };
1140
1141
1142 /**********************************************************************
1143  *********************************************************************
1144  ** Main reg_printing interface functions
1145  *********************************************************************
1146  *********************************************************************/
1147
1148 /***********************************************************************
1149  Lookup a key in the print_registry table, returning its index.
1150  -1 on failure
1151  **********************************************************************/
1152
1153 static int match_registry_path(const char *key)
1154 {
1155         int i;
1156         char *path = NULL;
1157         TALLOC_CTX *ctx = talloc_tos();
1158
1159         if ( !key )
1160                 return -1;
1161
1162         path = talloc_strdup(ctx, key);
1163         if (!path) {
1164                 return -1;
1165         }
1166         path = normalize_reg_path(ctx, path);
1167         if (!path) {
1168                 return -1;
1169         }
1170
1171         for ( i=0; print_registry[i].path; i++ ) {
1172                 if (strncmp( path, print_registry[i].path, strlen(print_registry[i].path) ) == 0 )
1173                         return i;
1174         }
1175
1176         return -1;
1177 }
1178
1179 /***********************************************************************
1180  **********************************************************************/
1181
1182 static int regprint_fetch_reg_keys( const char *key, struct regsubkey_ctr *subkeys )
1183 {
1184         int i = match_registry_path( key );
1185
1186         if ( i == -1 )
1187                 return -1;
1188
1189         if ( !print_registry[i].fetch_subkeys )
1190                 return -1;
1191
1192         return print_registry[i].fetch_subkeys( key, subkeys );
1193 }
1194
1195 /**********************************************************************
1196  *********************************************************************/
1197
1198 static bool regprint_store_reg_keys( const char *key, struct regsubkey_ctr *subkeys )
1199 {
1200         int i = match_registry_path( key );
1201
1202         if ( i == -1 )
1203                 return False;
1204
1205         if ( !print_registry[i].store_subkeys )
1206                 return False;
1207
1208         return print_registry[i].store_subkeys( key, subkeys );
1209 }
1210
1211 /**********************************************************************
1212  *********************************************************************/
1213
1214 static int regprint_fetch_reg_values(const char *key, struct regval_ctr *values)
1215 {
1216         int i = match_registry_path( key );
1217
1218         if ( i == -1 )
1219                 return -1;
1220
1221         /* return 0 values by default since we know the key had
1222            to exist because the client opened a handle */
1223
1224         if ( !print_registry[i].fetch_values )
1225                 return 0;
1226
1227         return print_registry[i].fetch_values( key, values );
1228 }
1229
1230 /**********************************************************************
1231  *********************************************************************/
1232
1233 static bool regprint_store_reg_values(const char *key, struct regval_ctr *values)
1234 {
1235         int i = match_registry_path( key );
1236
1237         if ( i == -1 )
1238                 return False;
1239
1240         if ( !print_registry[i].store_values )
1241                 return False;
1242
1243         return print_registry[i].store_values( key, values );
1244 }
1245
1246 /*
1247  * Table of function pointers for accessing printing data
1248  */
1249
1250 struct registry_ops printing_ops = {
1251         .fetch_subkeys = regprint_fetch_reg_keys,
1252         .fetch_values = regprint_fetch_reg_values,
1253         .store_subkeys = regprint_store_reg_keys,
1254         .store_values = regprint_store_reg_values,
1255 };