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 #include "reg_util_internal.h"
  25 #include "reg_backend_db.h"
  26
  27 #undef DBGC_CLASS
  28 #define DBGC_CLASS DBGC_REGISTRY
  29
  30 /* registrt paths used in the print_registry[] */
  31
  32 #define KEY_MONITORS            "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/MONITORS"
  33 #define KEY_FORMS               "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/FORMS"
  34 #define KEY_CONTROL_PRINTERS    "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/PRINTERS"
  35 #define KEY_ENVIRONMENTS        "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/ENVIRONMENTS"
  36 #define KEY_CONTROL_PRINT       "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT"
  37 #define KEY_WINNT_PRINTERS      "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PRINT/PRINTERS"
  38 #define KEY_WINNT_PRINT         "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PRINT"
  39 #define KEY_PORTS               "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PORTS"
  40
  41 /* callback table for various registry paths below the ones we service in this module */
  42
  43 struct reg_dyn_tree {
  44         /* full key path in normalized form */
  45         const char *path;
  46
  47         /* callbscks for fetch/store operations */
  48         int ( *fetch_subkeys) ( const char *path, struct regsubkey_ctr *subkeys );
  49         bool (*store_subkeys) ( const char *path, struct regsubkey_ctr *subkeys );
  50         int  (*fetch_values)  ( const char *path, struct regval_ctr *values );
  51         bool (*store_values)  ( const char *path, struct regval_ctr *values );
  52 };
  53
  54 /*********************************************************************
  55  *********************************************************************
  56  ** Utility Functions
  57  *********************************************************************
  58  *********************************************************************/
  59
  60 /***********************************************************************
  61  simple function to prune a pathname down to the basename of a file
  62  **********************************************************************/
  63
  64 static const char *dos_basename(const char *path)
  65 {
  66         const char *p;
  67
  68         if (!(p = strrchr( path, '\\'))) {
  69                 p = path;
  70         } else {
  71                 p++;
  72         }
  73
  74         return p;
  75 }
  76
  77 /*********************************************************************
  78  *********************************************************************
  79  ** "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/FORMS"
  80  *********************************************************************
  81  *********************************************************************/
  82
  83 static int key_forms_fetch_keys(const char *key, struct regsubkey_ctr *subkeys)
  84 {
  85         char *p = reg_remaining_path(talloc_tos(), key + strlen(KEY_FORMS));
  86
  87         /* no keys below Forms */
  88
  89         if (p) {
  90                 return -1;
  91         }
  92
  93         return 0;
  94 }
  95
  96 /**********************************************************************
  97  *********************************************************************/
  98
  99 static int key_forms_fetch_values(const char *key, struct regval_ctr *values)
 100 {
 101         uint32          data[8];
 102         int             i, num_values, form_index = 1;
 103         nt_forms_struct *forms_list = NULL;
 104         nt_forms_struct *form;
 105
 106         DEBUG(10,("print_values_forms: key=>[%s]\n", key ? key : "NULL" ));
 107
 108         num_values = get_ntforms( &forms_list );
 109
 110         DEBUG(10,("hive_forms_fetch_values: [%d] user defined forms returned\n",
 111                 num_values));
 112
 113         /* handle user defined forms */
 114
 115         for ( i=0; i<num_values; i++ ) {
 116                 form = &forms_list[i];
 117
 118                 data[0] = form->width;
 119                 data[1] = form->length;
 120                 data[2] = form->left;
 121                 data[3] = form->top;
 122                 data[4] = form->right;
 123                 data[5] = form->bottom;
 124                 data[6] = form_index++;
 125                 data[7] = form->flag;
 126
 127                 regval_ctr_addvalue(values, form->name, REG_BINARY, (uint8_t *)data, sizeof(data));
 128         }
 129
 130         SAFE_FREE( forms_list );
 131         forms_list = NULL;
 132
 133         /* handle built-on forms */
 134
 135         num_values = get_builtin_ntforms( &forms_list );
 136
 137         DEBUG(10,("print_subpath_values_forms: [%d] built-in forms returned\n",
 138                 num_values));
 139
 140         for ( i=0; i<num_values; i++ ) {
 141                 form = &forms_list[i];
 142
 143                 data[0] = form->width;
 144                 data[1] = form->length;
 145                 data[2] = form->left;
 146                 data[3] = form->top;
 147                 data[4] = form->right;
 148                 data[5] = form->bottom;
 149                 data[6] = form_index++;
 150                 data[7] = form->flag;
 151
 152                 regval_ctr_addvalue(values, form->name, REG_BINARY, (uint8_t *)data, sizeof(data));
 153         }
 154
 155         SAFE_FREE(forms_list);
 156
 157         return regval_ctr_numvals(values);
 158 }
 159
 160 /*********************************************************************
 161  *********************************************************************
 162  ** "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/PRINTERS"
 163  ** "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PRINT/PRINTERS"
 164  *********************************************************************
 165  *********************************************************************/
 166
 167 /*********************************************************************
 168  strip off prefix for printers key.  DOes return a pointer to static
 169  memory.
 170  *********************************************************************/
 171
 172 static char *strip_printers_prefix(const char *key)
 173 {
 174         char *subkeypath = NULL;
 175         char *path = NULL;
 176         TALLOC_CTX *ctx = talloc_tos();
 177
 178         path = talloc_strdup(ctx, key);
 179         if (!path) {
 180                 return NULL;
 181         }
 182         path = normalize_reg_path(ctx, path);
 183         if (!path) {
 184                 return NULL;
 185         }
 186
 187         /* normalizing the path does not change length, just key delimiters and case */
 188
 189         if (strncmp(path, KEY_WINNT_PRINTERS, strlen(KEY_WINNT_PRINTERS)) == 0) {
 190                 subkeypath = reg_remaining_path(ctx, key + strlen(KEY_WINNT_PRINTERS));
 191         } else {
 192                 subkeypath = reg_remaining_path(ctx, key + strlen(KEY_CONTROL_PRINTERS));
 193         }
 194
 195         TALLOC_FREE(path);
 196         return subkeypath;
 197 }
 198
 199 /*********************************************************************
 200  *********************************************************************/
 201
 202 static int key_printers_fetch_keys( const char *key, struct regsubkey_ctr *subkeys )
 203 {
 204         int n_services = lp_numservices();
 205         int snum;
 206         fstring sname;
 207         int i;
 208         int num_subkeys = 0;
 209         char *printers_key;
 210         char *printername, *printerdatakey;
 211         NT_PRINTER_INFO_LEVEL *printer = NULL;
 212         fstring *subkey_names = NULL;
 213
 214         DEBUG(10,("key_printers_fetch_keys: key=>[%s]\n", key ? key : "NULL" ));
 215
 216         printers_key = strip_printers_prefix( key );
 217
 218         if ( !printers_key ) {
 219                 /* enumerate all printers */
 220
 221                 for (snum=0; snum<n_services; snum++) {
 222                         if ( !(lp_snum_ok(snum) && lp_print_ok(snum) ) )
 223                                 continue;
 224
 225                         /* don't report the [printers] share */
 226
 227                         if ( strequal( lp_servicename(snum), PRINTERS_NAME ) )
 228                                 continue;
 229
 230                         fstrcpy( sname, lp_servicename(snum) );
 231
 232                         regsubkey_ctr_addkey( subkeys, sname );
 233                 }
 234
 235                 num_subkeys = regsubkey_ctr_numkeys( subkeys );
 236                 goto done;
 237         }
 238
 239         /* get information for a specific printer */
 240
 241         if (!reg_split_path( printers_key, &printername, &printerdatakey )) {
 242                 return -1;
 243         }
 244
 245         /* validate the printer name */
 246
 247         for (snum=0; snum<n_services; snum++) {
 248                 if ( !lp_snum_ok(snum) || !lp_print_ok(snum) )
 249                         continue;
 250                 if (strequal( lp_servicename(snum), printername ) )
 251                         break;
 252         }
 253
 254         if ( snum>=n_services
 255                 || !W_ERROR_IS_OK( get_a_printer(NULL, &printer, 2, printername) ) )
 256         {
 257                 return -1;
 258         }
 259
 260         num_subkeys = get_printer_subkeys( printer->info_2->data, printerdatakey?printerdatakey:"", &subkey_names );
 261
 262         for ( i=0; i<num_subkeys; i++ )
 263                 regsubkey_ctr_addkey( subkeys, subkey_names[i] );
 264
 265         free_a_printer( &printer, 2 );
 266
 267         /* no other subkeys below here */
 268
 269 done:
 270         SAFE_FREE( subkey_names );
 271
 272         return num_subkeys;
 273 }
 274
 275 /**********************************************************************
 276  Take a list of names and call add_printer_hook() if necessary
 277  Note that we do this a little differently from Windows since the
 278  keyname is the sharename and not the printer name.
 279  *********************************************************************/
 280
 281 static bool add_printers_by_registry( struct regsubkey_ctr *subkeys )
 282 {
 283         int i, num_keys, snum;
 284         char *printername;
 285         NT_PRINTER_INFO_LEVEL_2 info2;
 286         NT_PRINTER_INFO_LEVEL printer;
 287
 288         ZERO_STRUCT( info2 );
 289         printer.info_2 = &info2;
 290
 291         num_keys = regsubkey_ctr_numkeys( subkeys );
 292
 293         become_root();
 294         for ( i=0; i<num_keys; i++ ) {
 295                 printername = regsubkey_ctr_specific_key( subkeys, i );
 296                 snum = find_service( printername );
 297
 298                 /* just verify a valied snum for now */
 299                 if ( snum == -1 ) {
 300                         fstrcpy( info2.printername, printername );
 301                         fstrcpy( info2.sharename, printername );
 302                         if ( !add_printer_hook(talloc_tos(), NULL, &printer ) ) {
 303                                 DEBUG(0,("add_printers_by_registry: Failed to add printer [%s]\n",
 304                                         printername));
 305                         }
 306                 }
 307         }
 308         unbecome_root();
 309
 310         return True;
 311 }
 312
 313 /**********************************************************************
 314  *********************************************************************/
 315
 316 static bool key_printers_store_keys( const char *key, struct regsubkey_ctr *subkeys )
 317 {
 318         char *printers_key;
 319         char *printername, *printerdatakey;
 320         NT_PRINTER_INFO_LEVEL *printer = NULL;
 321         int i, num_subkeys, num_existing_keys;
 322         char *subkeyname;
 323         fstring *existing_subkeys = NULL;
 324
 325         printers_key = strip_printers_prefix( key );
 326
 327         if ( !printers_key ) {
 328                 /* have to deal with some new or deleted printer */
 329                 return add_printers_by_registry( subkeys );
 330         }
 331
 332         if (!reg_split_path( printers_key, &printername, &printerdatakey )) {
 333                 return False;
 334         }
 335
 336         /* lookup the printer */
 337
 338         if ( !W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, printername)) ) {
 339                 DEBUG(0,("key_printers_store_keys: Tried to store subkey for bad printername %s\n",
 340                         printername));
 341                 return False;
 342         }
 343
 344         /* get the top level printer keys */
 345
 346         num_existing_keys = get_printer_subkeys( printer->info_2->data, "", &existing_subkeys );
 347
 348         for ( i=0; i<num_existing_keys; i++ ) {
 349
 350                 /* remove the key if it has been deleted */
 351
 352                 if ( !regsubkey_ctr_key_exists( subkeys, existing_subkeys[i] ) ) {
 353                         DEBUG(5,("key_printers_store_keys: deleting key %s\n",
 354                                 existing_subkeys[i]));
 355                         delete_printer_key( printer->info_2->data, existing_subkeys[i] );
 356                 }
 357         }
 358
 359         num_subkeys = regsubkey_ctr_numkeys( subkeys );
 360         for ( i=0; i<num_subkeys; i++ ) {
 361                 subkeyname = regsubkey_ctr_specific_key(subkeys, i);
 362                 /* add any missing printer keys */
 363                 if ( lookup_printerkey(printer->info_2->data, subkeyname) == -1 ) {
 364                         DEBUG(5,("key_printers_store_keys: adding key %s\n",
 365                                 existing_subkeys[i]));
 366                         if ( add_new_printer_key( printer->info_2->data, subkeyname ) == -1 ) {
 367                                 SAFE_FREE( existing_subkeys );
 368                                 return False;
 369                         }
 370                 }
 371         }
 372
 373         /* write back to disk */
 374
 375         mod_a_printer( printer, 2 );
 376
 377         /* cleanup */
 378
 379         free_a_printer( &printer, 2 );
 380
 381         SAFE_FREE( existing_subkeys );
 382
 383         return True;
 384 }
 385
 386 /**********************************************************************
 387  *********************************************************************/
 388
 389 static void fill_in_printer_values(NT_PRINTER_INFO_LEVEL_2 *info2, struct regval_ctr *values)
 390 {
 391         struct spoolss_DeviceMode *devmode;
 392         char            *p;
 393         uint32 printer_status = PRINTER_STATUS_OK;
 394
 395         regval_ctr_addvalue( values, "Attributes",       REG_DWORD, (uint8_t *)&info2->attributes,       sizeof(info2->attributes) );
 396         regval_ctr_addvalue( values, "Priority",         REG_DWORD, (uint8_t *)&info2->priority,         sizeof(info2->attributes) );
 397         regval_ctr_addvalue( values, "ChangeID",         REG_DWORD, (uint8_t *)&info2->changeid,         sizeof(info2->changeid) );
 398         regval_ctr_addvalue( values, "Default Priority", REG_DWORD, (uint8_t *)&info2->default_priority, sizeof(info2->default_priority) );
 399
 400         /* lie and say everything is ok since we don't want to call print_queue_length() to get the real status */
 401         regval_ctr_addvalue( values, "Status",           REG_DWORD, (uint8_t *)&printer_status,          sizeof(info2->status) );
 402
 403         regval_ctr_addvalue( values, "StartTime",        REG_DWORD, (uint8_t *)&info2->starttime,        sizeof(info2->starttime) );
 404         regval_ctr_addvalue( values, "UntilTime",        REG_DWORD, (uint8_t *)&info2->untiltime,        sizeof(info2->untiltime) );
 405
 406         /* strip the \\server\ from this string */
 407         if ( !(p = strrchr( info2->printername, '\\' ) ) )
 408                 p = info2->printername;
 409         else
 410                 p++;
 411
 412         regval_ctr_addvalue_sz(values, "Name", p);
 413         regval_ctr_addvalue_sz(values, "Location", info2->location);
 414         regval_ctr_addvalue_sz(values, "Description", info2->comment);
 415         regval_ctr_addvalue_sz(values, "Parameters", info2->parameters);
 416         regval_ctr_addvalue_sz(values, "Port", info2->portname);
 417         regval_ctr_addvalue_sz(values, "Share Name", info2->sharename);
 418         regval_ctr_addvalue_sz(values, "Printer Driver", info2->drivername);
 419         regval_ctr_addvalue_sz(values, "Separator File", info2->sepfile);
 420         regval_ctr_addvalue_sz(values, "Print Processor", info2->printprocessor);
 421         regval_ctr_addvalue_sz(values, "Datatype", info2->datatype);
 422
 423         /* stream the device mode */
 424
 425         devmode = construct_dev_mode(values,info2->sharename);
 426         if (devmode) {
 427                 DATA_BLOB blob;
 428                 enum ndr_err_code ndr_err;
 429
 430                 ndr_err = ndr_push_struct_blob(&blob, values, devmode,
 431                                 (ndr_push_flags_fn_t)ndr_push_spoolss_DeviceMode);
 432
 433                 if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 434                         regval_ctr_addvalue(values, "Default Devmode", REG_BINARY,
 435                                             blob.data, blob.length);
 436                 }
 437         }
 438
 439         /* stream the printer security descriptor */
 440
 441         if (info2->secdesc_buf &&
 442             info2->secdesc_buf->sd &&
 443             info2->secdesc_buf->sd_size)
 444         {
 445                 NTSTATUS status;
 446                 DATA_BLOB blob;
 447
 448                 status = marshall_sec_desc(values, info2->secdesc_buf->sd,
 449                                            &blob.data, &blob.length);
 450                 if (NT_STATUS_IS_OK(status)) {
 451                         regval_ctr_addvalue(values, "Security", REG_BINARY,
 452                                             blob.data, blob.length);
 453                 }
 454         }
 455
 456         return;
 457 }
 458
 459 /**********************************************************************
 460  *********************************************************************/
 461
 462 static int key_printers_fetch_values(const char *key, struct regval_ctr *values)
 463 {
 464         int             num_values;
 465         char            *printers_key;
 466         char            *printername, *printerdatakey;
 467         NT_PRINTER_INFO_LEVEL   *printer = NULL;
 468         NT_PRINTER_DATA *p_data;
 469         int             i, key_index;
 470
 471         printers_key = strip_printers_prefix( key );
 472
 473         /* top level key values stored in the registry has no values */
 474
 475         if ( !printers_key ) {
 476                 /* normalize to the 'HKLM\SOFTWARE\...\Print\Printers' key */
 477                 return regdb_fetch_values( KEY_WINNT_PRINTERS, values );
 478         }
 479
 480         /* lookup the printer object */
 481
 482         if (!reg_split_path( printers_key, &printername, &printerdatakey )) {
 483                 return -1;
 484         }
 485
 486         if ( !W_ERROR_IS_OK( get_a_printer(NULL, &printer, 2, printername) ) )
 487                 goto done;
 488
 489         if ( !printerdatakey ) {
 490                 fill_in_printer_values( printer->info_2, values );
 491                 goto done;
 492         }
 493
 494         /* iterate over all printer data keys and fill the regval container */
 495
 496         p_data = printer->info_2->data;
 497         if ( (key_index = lookup_printerkey( p_data, printerdatakey )) == -1  ) {
 498                 /* failure....should never happen if the client has a valid open handle first */
 499                 DEBUG(10,("key_printers_fetch_values: Unknown keyname [%s]\n", printerdatakey));
 500                 free_a_printer( &printer, 2 );
 501                 return -1;
 502         }
 503
 504         num_values = regval_ctr_numvals( p_data->keys[key_index].values );
 505         for ( i=0; i<num_values; i++ )
 506                 regval_ctr_copyvalue( values, regval_ctr_specific_value(p_data->keys[key_index].values, i) );
 507
 508
 509 done:
 510         if ( printer )
 511                 free_a_printer( &printer, 2 );
 512
 513         return regval_ctr_numvals( values );
 514 }
 515
 516 /**********************************************************************
 517  *********************************************************************/
 518
 519 #define REG_IDX_ATTRIBUTES              1
 520 #define REG_IDX_PRIORITY                2
 521 #define REG_IDX_DEFAULT_PRIORITY        3
 522 #define REG_IDX_CHANGEID                4
 523 #define REG_IDX_STATUS                  5
 524 #define REG_IDX_STARTTIME               6
 525 #define REG_IDX_NAME                    7
 526 #define REG_IDX_LOCATION                8
 527 #define REG_IDX_DESCRIPTION             9
 528 #define REG_IDX_PARAMETERS              10
 529 #define REG_IDX_PORT                    12
 530 #define REG_IDX_SHARENAME               13
 531 #define REG_IDX_DRIVER                  14
 532 #define REG_IDX_SEP_FILE                15
 533 #define REG_IDX_PRINTPROC               16
 534 #define REG_IDX_DATATYPE                17
 535 #define REG_IDX_DEVMODE                 18
 536 #define REG_IDX_SECDESC                 19
 537 #define REG_IDX_UNTILTIME               20
 538
 539 struct {
 540         const char *name;
 541         int index;
 542 } printer_values_map[] = {
 543         { "Attributes",         REG_IDX_ATTRIBUTES },
 544         { "Priority",           REG_IDX_PRIORITY },
 545         { "Default Priority",   REG_IDX_DEFAULT_PRIORITY },
 546         { "ChangeID",           REG_IDX_CHANGEID },
 547         { "Status",             REG_IDX_STATUS },
 548         { "StartTime",          REG_IDX_STARTTIME },
 549         { "UntilTime",          REG_IDX_UNTILTIME },
 550         { "Name",               REG_IDX_NAME },
 551         { "Location",           REG_IDX_LOCATION },
 552         { "Description",        REG_IDX_DESCRIPTION },
 553         { "Parameters",         REG_IDX_PARAMETERS },
 554         { "Port",               REG_IDX_PORT },
 555         { "Share Name",         REG_IDX_SHARENAME },
 556         { "Printer Driver",     REG_IDX_DRIVER },
 557         { "Separator File",     REG_IDX_SEP_FILE },
 558         { "Print Processor",    REG_IDX_PRINTPROC },
 559         { "Datatype",           REG_IDX_DATATYPE },
 560         { "Default Devmode",    REG_IDX_DEVMODE },
 561         { "Security",           REG_IDX_SECDESC },
 562         { NULL, -1 }
 563 };
 564
 565
 566 static int find_valuename_index( const char *valuename )
 567 {
 568         int i;
 569
 570         for ( i=0; printer_values_map[i].name; i++ ) {
 571                 if ( strequal( valuename, printer_values_map[i].name ) )
 572                         return printer_values_map[i].index;
 573         }
 574
 575         return -1;
 576 }
 577
 578 /**********************************************************************
 579  *********************************************************************/
 580
 581 static void pull_reg_sz_fstring(TALLOC_CTX *mem_ctx, const DATA_BLOB *blob, fstring s)
 582 {
 583         const char *str;
 584         pull_reg_sz(mem_ctx, blob, &str);
 585         fstrcpy(s, str);
 586 }
 587
 588 static void convert_values_to_printer_info_2(TALLOC_CTX *mem_ctx,
 589                                              NT_PRINTER_INFO_LEVEL_2 *printer2,
 590                                              struct regval_ctr *values)
 591 {
 592         int num_values = regval_ctr_numvals( values );
 593         uint32 value_index;
 594         struct regval_blob *val;
 595         int i;
 596
 597         for ( i=0; i<num_values; i++ ) {
 598                 DATA_BLOB blob;
 599                 val = regval_ctr_specific_value( values, i );
 600                 value_index = find_valuename_index( regval_name( val ) );
 601
 602                 blob = data_blob_const(regval_data_p(val), regval_size(val));
 603
 604                 switch( value_index ) {
 605                         case REG_IDX_ATTRIBUTES:
 606                                 printer2->attributes = (uint32)(*regval_data_p(val));
 607                                 break;
 608                         case REG_IDX_PRIORITY:
 609                                 printer2->priority = (uint32)(*regval_data_p(val));
 610                                 break;
 611                         case REG_IDX_DEFAULT_PRIORITY:
 612                                 printer2->default_priority = (uint32)(*regval_data_p(val));
 613                                 break;
 614                         case REG_IDX_CHANGEID:
 615                                 printer2->changeid = (uint32)(*regval_data_p(val));
 616                                 break;
 617                         case REG_IDX_STARTTIME:
 618                                 printer2->starttime = (uint32)(*regval_data_p(val));
 619                                 break;
 620                         case REG_IDX_UNTILTIME:
 621                                 printer2->untiltime = (uint32)(*regval_data_p(val));
 622                                 break;
 623                         case REG_IDX_NAME:
 624                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->printername);
 625                                 break;
 626                         case REG_IDX_LOCATION:
 627                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->location);
 628                                 break;
 629                         case REG_IDX_DESCRIPTION:
 630                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->comment);
 631                                 break;
 632                         case REG_IDX_PARAMETERS:
 633                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->parameters);
 634                                 break;
 635                         case REG_IDX_PORT:
 636                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->portname);
 637                                 break;
 638                         case REG_IDX_SHARENAME:
 639                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->sharename);
 640                                 break;
 641                         case REG_IDX_DRIVER:
 642                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->drivername);
 643                                 break;
 644                         case REG_IDX_SEP_FILE:
 645                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->sepfile);
 646                                 break;
 647                         case REG_IDX_PRINTPROC:
 648                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->printprocessor);
 649                                 break;
 650                         case REG_IDX_DATATYPE:
 651                                 pull_reg_sz_fstring(mem_ctx, &blob, printer2->datatype);
 652                                 break;
 653                         case REG_IDX_DEVMODE:
 654                                 break;
 655                         case REG_IDX_SECDESC:
 656                                 break;
 657                         default:
 658                                 /* unsupported value...throw away */
 659                                 DEBUG(8,("convert_values_to_printer_info_2: Unsupported registry value [%s]\n",
 660                                         regval_name( val ) ));
 661                 }
 662         }
 663
 664         return;
 665 }
 666
 667 /**********************************************************************
 668  *********************************************************************/
 669
 670 static bool key_printers_store_values(const char *key, struct regval_ctr *values)
 671 {
 672         char *printers_key;
 673         char *printername, *keyname;
 674         NT_PRINTER_INFO_LEVEL   *printer = NULL;
 675         WERROR result;
 676         TALLOC_CTX *mem_ctx = talloc_init("key_printers_store_values");
 677
 678         printers_key = strip_printers_prefix( key );
 679
 680         /* values in the top level key get stored in the registry */
 681
 682         if ( !printers_key ) {
 683                 /* normalize on the 'HKLM\SOFTWARE\....\Print\Printers' key */
 684                 return regdb_store_values( KEY_WINNT_PRINTERS, values );
 685         }
 686
 687         if (!reg_split_path( printers_key, &printername, &keyname )) {
 688                 return False;
 689         }
 690
 691         if ( !W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, printername) ) )
 692                 return False;
 693
 694         /* deal with setting values directly under the printername */
 695
 696         if ( !keyname ) {
 697                 convert_values_to_printer_info_2(mem_ctx, printer->info_2, values );
 698         }
 699         else {
 700                 int num_values = regval_ctr_numvals( values );
 701                 int i;
 702                 struct regval_blob *val;
 703
 704                 delete_printer_key( printer->info_2->data, keyname );
 705
 706                 /* deal with any subkeys */
 707                 for ( i=0; i<num_values; i++ ) {
 708                         val = regval_ctr_specific_value( values, i );
 709                         result = set_printer_dataex( printer, keyname,
 710                                 regval_name( val ),
 711                                 regval_type( val ),
 712                                 regval_data_p( val ),
 713                                 regval_size( val ) );
 714                         if ( !W_ERROR_IS_OK(result) ) {
 715                                 DEBUG(0,("key_printers_store_values: failed to set printer data [%s]!\n",
 716                                         keyname));
 717                                 free_a_printer( &printer, 2 );
 718                                 talloc_destroy(mem_ctx);
 719                                 return False;
 720                         }
 721                 }
 722         }
 723
 724         result = mod_a_printer( printer, 2 );
 725
 726         free_a_printer( &printer, 2 );
 727         talloc_destroy(mem_ctx);
 728
 729         return W_ERROR_IS_OK(result);
 730 }
 731
 732 /*********************************************************************
 733  *********************************************************************
 734  ** "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/ENVIRONMENTS"
 735  *********************************************************************
 736  *********************************************************************/
 737
 738 static int key_driver_fetch_keys( const char *key, struct regsubkey_ctr *subkeys )
 739 {
 740         const char *environments[] = {
 741                 "Windows 4.0",
 742                 "Windows NT x86",
 743                 "Windows NT R4000",
 744                 "Windows NT Alpha_AXP",
 745                 "Windows NT PowerPC",
 746                 "Windows IA64",
 747                 "Windows x64",
 748                 NULL };
 749         fstring *drivers = NULL;
 750         int i, env_index, num_drivers;
 751         char *keystr, *base, *subkeypath;
 752         char *key2 = NULL;
 753         int num_subkeys = -1;
 754         int version;
 755         TALLOC_CTX *ctx = talloc_tos();
 756
 757         DEBUG(10,("key_driver_fetch_keys key=>[%s]\n", key ? key : "NULL" ));
 758
 759         keystr = reg_remaining_path(ctx, key + strlen(KEY_ENVIRONMENTS) );
 760
 761         /* list all possible architectures */
 762
 763         if ( !keystr ) {
 764                 for ( num_subkeys=0; environments[num_subkeys]; num_subkeys++ )
 765                         regsubkey_ctr_addkey( subkeys,  environments[num_subkeys] );
 766
 767                 return num_subkeys;
 768         }
 769
 770         /* we are dealing with a subkey of "Environments */
 771         key2 = talloc_strdup(ctx, keystr);
 772         if (!key2) {
 773                 return -1;
 774         }
 775         keystr = key2;
 776         if (!reg_split_path(keystr, &base, &subkeypath )) {
 777                 return -1;
 778         }
 779
 780         /* sanity check */
 781
 782         for ( env_index=0; environments[env_index]; env_index++ ) {
 783                 if ( strequal( environments[env_index], base ) )
 784                         break;
 785         }
 786         if ( !environments[env_index] )
 787                 return -1;
 788
 789         /* ...\Print\Environements\...\ */
 790
 791         if ( !subkeypath ) {
 792                 regsubkey_ctr_addkey( subkeys, "Drivers" );
 793                 regsubkey_ctr_addkey( subkeys, "Print Processors" );
 794
 795                 return 2;
 796         }
 797
 798         /* more of the key path to process */
 799
 800         keystr = subkeypath;
 801         if (!reg_split_path( keystr, &base, &subkeypath )) {
 802                 return -1;
 803         }
 804
 805         /* ...\Print\Environements\...\Drivers\ */
 806
 807         if ( !subkeypath ) {
 808                 if ( strequal(base, "Drivers") ) {
 809                         switch ( env_index ) {
 810                                 case 0: /* Win9x */
 811                                         regsubkey_ctr_addkey( subkeys, "Version-0" );
 812                                         break;
 813                                 default: /* Windows NT based systems */
 814                                         regsubkey_ctr_addkey( subkeys, "Version-2" );
 815                                         regsubkey_ctr_addkey( subkeys, "Version-3" );
 816                                         break;
 817                         }
 818
 819                         return regsubkey_ctr_numkeys( subkeys );
 820                 } else if ( strequal(base, "Print Processors") ) {
 821                         if ( env_index == 1 || env_index == 5 || env_index == 6 )
 822
 823
 824                         return regsubkey_ctr_numkeys( subkeys );
 825                 } else
 826                         return -1;      /* bad path */
 827         }
 828
 829         /* we finally get to enumerate the drivers */
 830
 831         /* only one possible subkey below PrintProc key */
 832
 833         if ( strequal(base, "Print Processors") ) {
 834                 keystr = subkeypath;
 835                 if (!reg_split_path( keystr, &base, &subkeypath )) {
 836                         return -1;
 837                 }
 838
 839                 /* no subkeys below this point */
 840
 841                 if ( subkeypath )
 842                         return -1;
 843
 844                 /* only allow one keyname here -- 'winprint' */
 845
 846                 return strequal( base, "winprint" ) ? 0 : -1;
 847         }
 848
 849         /* only dealing with drivers from here on out */
 850
 851         keystr = subkeypath;
 852         if (!reg_split_path( keystr, &base, &subkeypath )) {
 853                 return -1;
 854         }
 855
 856         version = atoi(&base[strlen(base)-1]);
 857
 858         switch (env_index) {
 859         case 0:
 860                 if ( version != 0 )
 861                         return -1;
 862                 break;
 863         default:
 864                 if ( version != 2 && version != 3 )
 865                         return -1;
 866                 break;
 867         }
 868
 869
 870         if ( !subkeypath ) {
 871                 num_drivers = get_ntdrivers( &drivers, environments[env_index], version );
 872                 for ( i=0; i<num_drivers; i++ )
 873                         regsubkey_ctr_addkey( subkeys, drivers[i] );
 874
 875                 return regsubkey_ctr_numkeys( subkeys );
 876         }
 877
 878         /* if anything else left, just say if has no subkeys */
 879
 880         DEBUG(1,("key_driver_fetch_keys unhandled key [%s] (subkey == %s)\n",
 881                 key, subkeypath ));
 882
 883         return 0;
 884 }
 885
 886
 887 /**********************************************************************
 888  *********************************************************************/
 889
 890 static void fill_in_driver_values(const struct spoolss_DriverInfo8 *r,
 891                                   struct regval_ctr *values)
 892 {
 893         uint8_t *buffer = NULL;
 894         int buffer_size = 0;
 895         int i, length;
 896         const char *filename;
 897         DATA_BLOB data;
 898
 899         filename = dos_basename(r->driver_path);
 900         regval_ctr_addvalue_sz(values, "Driver", filename);
 901
 902         filename = dos_basename(r->config_file);
 903         regval_ctr_addvalue_sz(values, "Configuration File", filename);
 904
 905         filename = dos_basename(r->data_file);
 906         regval_ctr_addvalue_sz(values, "Data File", filename);
 907
 908         filename = dos_basename(r->help_file);
 909         regval_ctr_addvalue_sz(values, "Help File", filename);
 910
 911         regval_ctr_addvalue_sz(values, "Datatype", r->default_datatype);
 912         regval_ctr_addvalue_sz(values, "Monitor", r->monitor_name);
 913
 914         regval_ctr_addvalue( values, "Version", REG_DWORD, (uint8_t *)&r->version,
 915                 sizeof(r->version) );
 916
 917         if (r->dependent_files) {
 918                 /* place the list of dependent files in a single
 919                    character buffer, separating each file name by
 920                    a NULL */
 921
 922                 for (i=0; r->dependent_files[i] && strcmp(r->dependent_files[i], ""); i++) {
 923                         /* strip the path to only the file's base name */
 924
 925                         filename = dos_basename(r->dependent_files[i]);
 926
 927                         length = strlen(filename);
 928
 929                         buffer = (uint8_t *)SMB_REALLOC( buffer, buffer_size + (length + 1)*sizeof(uint16) );
 930                         if ( !buffer ) {
 931                                 break;
 932                         }
 933
 934                         push_reg_sz(talloc_tos(), &data, filename);
 935                         memcpy( buffer+buffer_size, data.data, data.length);
 936
 937                         buffer_size += (length + 1)*sizeof(uint16);
 938                 }
 939
 940                 /* terminated by double NULL.  Add the final one here */
 941
 942                 buffer = (uint8_t *)SMB_REALLOC( buffer, buffer_size + 2 );
 943                 if ( !buffer ) {
 944                         buffer_size = 0;
 945                 } else {
 946                         buffer[buffer_size++] = (uint8_t)'\0';
 947                         buffer[buffer_size++] = (uint8_t)'\0';
 948                 }
 949         }
 950
 951         regval_ctr_addvalue( values, "Dependent Files",    REG_MULTI_SZ, buffer, buffer_size );
 952
 953         SAFE_FREE( buffer );
 954
 955         return;
 956 }
 957
 958 /**********************************************************************
 959  *********************************************************************/
 960
 961 static int driver_arch_fetch_values(char *key, struct regval_ctr *values)
 962 {
 963         char            *keystr, *base, *subkeypath;
 964         fstring         arch_environment;
 965         fstring         driver;
 966         int             version;
 967         struct spoolss_DriverInfo8 *driver_ctr;
 968         WERROR          w_result;
 969
 970         if (!reg_split_path( key, &base, &subkeypath )) {
 971                 return -1;
 972         }
 973
 974         /* no values in 'Environments\Drivers\Windows NT x86' */
 975
 976         if ( !subkeypath )
 977                 return 0;
 978
 979         /* We have the Architecture string and some subkey name:
 980            Currently we only support
 981            * Drivers
 982            * Print Processors
 983            Anything else is an error.
 984            */
 985
 986         fstrcpy( arch_environment, base );
 987
 988         keystr = subkeypath;
 989         if (!reg_split_path( keystr, &base, &subkeypath )) {
 990                 return -1;
 991         }
 992
 993         if ( strequal(base, "Print Processors") )
 994                 return 0;
 995
 996         /* only Drivers key can be left */
 997
 998         if ( !strequal(base, "Drivers") )
 999                 return -1;
1000
1001         if ( !subkeypath )
1002                 return 0;
1003
1004         /* We know that we have Architechure\Drivers with some subkey name
1005            The subkey name has to be Version-XX */
1006
1007         keystr = subkeypath;
1008         if (!reg_split_path( keystr, &base, &subkeypath )) {
1009                 return -1;
1010         }
1011
1012         if ( !subkeypath )
1013                 return 0;
1014
1015         version = atoi(&base[strlen(base)-1]);
1016
1017         /* BEGIN PRINTER DRIVER NAME BLOCK */
1018
1019         keystr = subkeypath;
1020         if (!reg_split_path( keystr, &base, &subkeypath )) {
1021                 return -1;
1022         }
1023
1024         /* don't go any deeper for now */
1025
1026         fstrcpy( driver, base );
1027
1028         w_result = get_a_printer_driver(talloc_tos(), &driver_ctr, driver, arch_environment, version);
1029
1030         if ( !W_ERROR_IS_OK(w_result) )
1031                 return -1;
1032
1033         fill_in_driver_values(driver_ctr, values);
1034
1035         free_a_printer_driver(driver_ctr);
1036
1037         /* END PRINTER DRIVER NAME BLOCK */
1038
1039
1040         DEBUG(8,("key_driver_fetch_values: Exit\n"));
1041
1042         return regval_ctr_numvals( values );
1043 }
1044
1045 /**********************************************************************
1046  *********************************************************************/
1047
1048 static int key_driver_fetch_values(const char *key, struct regval_ctr *values)
1049 {
1050         char *keystr = NULL;
1051         char *subkey = NULL;
1052         TALLOC_CTX *ctx = talloc_tos();
1053
1054         DEBUG(8,("key_driver_fetch_values: Enter key => [%s]\n", key ? key : "NULL"));
1055
1056         /* no values in the Environments key */
1057
1058         if (!(keystr = reg_remaining_path(ctx, key + strlen(KEY_ENVIRONMENTS))))
1059                 return 0;
1060
1061         subkey = talloc_strdup(ctx, keystr);
1062         if (!subkey) {
1063                 return 0;
1064         }
1065
1066         /* pass off to handle subkeys */
1067
1068         return driver_arch_fetch_values( subkey, values );
1069 }
1070
1071 /*********************************************************************
1072  *********************************************************************
1073  ** "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT"
1074  *********************************************************************
1075  *********************************************************************/
1076
1077 static int key_print_fetch_keys( const char *key, struct regsubkey_ctr *subkeys )
1078 {
1079         int key_len = strlen(key);
1080
1081         /* no keys below 'Print' handled here */
1082
1083         if ( (key_len != strlen(KEY_CONTROL_PRINT)) && (key_len != strlen(KEY_WINNT_PRINT)) )
1084                 return -1;
1085
1086         regsubkey_ctr_addkey( subkeys, "Environments" );
1087         regsubkey_ctr_addkey( subkeys, "Monitors" );
1088         regsubkey_ctr_addkey( subkeys, "Forms" );
1089         regsubkey_ctr_addkey( subkeys, "Printers" );
1090
1091         return regsubkey_ctr_numkeys( subkeys );
1092 }
1093
1094 /**********************************************************************
1095  *********************************************************************
1096  ** Structure to hold dispatch table of ops for various printer keys.
1097  ** Make sure to always store deeper keys along the same path first so
1098  ** we ge a more specific match.
1099  *********************************************************************
1100  *********************************************************************/
1101
1102 static struct reg_dyn_tree print_registry[] = {
1103 /* just pass the monitor onto the registry tdb */
1104 { KEY_MONITORS,
1105         &regdb_fetch_keys,
1106         &regdb_store_keys,
1107         &regdb_fetch_values,
1108         &regdb_store_values },
1109 { KEY_FORMS,
1110         &key_forms_fetch_keys,
1111         NULL,
1112         &key_forms_fetch_values,
1113         NULL },
1114 { KEY_CONTROL_PRINTERS,
1115         &key_printers_fetch_keys,
1116         &key_printers_store_keys,
1117         &key_printers_fetch_values,
1118         &key_printers_store_values },
1119 { KEY_ENVIRONMENTS,
1120         &key_driver_fetch_keys,
1121         NULL,
1122         &key_driver_fetch_values,
1123         NULL },
1124 { KEY_CONTROL_PRINT,
1125         &key_print_fetch_keys,
1126         NULL,
1127         NULL,
1128         NULL },
1129 { KEY_WINNT_PRINTERS,
1130         &key_printers_fetch_keys,
1131         &key_printers_store_keys,
1132         &key_printers_fetch_values,
1133         &key_printers_store_values },
1134 { KEY_PORTS,
1135         &regdb_fetch_keys,
1136         &regdb_store_keys,
1137         &regdb_fetch_values,
1138         &regdb_store_values },
1139
1140 { NULL, NULL, NULL, NULL, NULL }
1141 };
1142
1143
1144 /**********************************************************************
1145  *********************************************************************
1146  ** Main reg_printing interface functions
1147  *********************************************************************
1148  *********************************************************************/
1149
1150 /***********************************************************************
1151  Lookup a key in the print_registry table, returning its index.
1152  -1 on failure
1153  **********************************************************************/
1154
1155 static int match_registry_path(const char *key)
1156 {
1157         int i;
1158         char *path = NULL;
1159         TALLOC_CTX *ctx = talloc_tos();
1160
1161         if ( !key )
1162                 return -1;
1163
1164         path = talloc_strdup(ctx, key);
1165         if (!path) {
1166                 return -1;
1167         }
1168         path = normalize_reg_path(ctx, path);
1169         if (!path) {
1170                 return -1;
1171         }
1172
1173         for ( i=0; print_registry[i].path; i++ ) {
1174                 if (strncmp( path, print_registry[i].path, strlen(print_registry[i].path) ) == 0 )
1175                         return i;
1176         }
1177
1178         return -1;
1179 }
1180
1181 /***********************************************************************
1182  **********************************************************************/
1183
1184 static int regprint_fetch_reg_keys( const char *key, struct regsubkey_ctr *subkeys )
1185 {
1186         int i = match_registry_path( key );
1187
1188         if ( i == -1 )
1189                 return -1;
1190
1191         if ( !print_registry[i].fetch_subkeys )
1192                 return -1;
1193
1194         return print_registry[i].fetch_subkeys( key, subkeys );
1195 }
1196
1197 /**********************************************************************
1198  *********************************************************************/
1199
1200 static bool regprint_store_reg_keys( const char *key, struct regsubkey_ctr *subkeys )
1201 {
1202         int i = match_registry_path( key );
1203
1204         if ( i == -1 )
1205                 return False;
1206
1207         if ( !print_registry[i].store_subkeys )
1208                 return False;
1209
1210         return print_registry[i].store_subkeys( key, subkeys );
1211 }
1212
1213 /**********************************************************************
1214  *********************************************************************/
1215
1216 static int regprint_fetch_reg_values(const char *key, struct regval_ctr *values)
1217 {
1218         int i = match_registry_path( key );
1219
1220         if ( i == -1 )
1221                 return -1;
1222
1223         /* return 0 values by default since we know the key had
1224            to exist because the client opened a handle */
1225
1226         if ( !print_registry[i].fetch_values )
1227                 return 0;
1228
1229         return print_registry[i].fetch_values( key, values );
1230 }
1231
1232 /**********************************************************************
1233  *********************************************************************/
1234
1235 static bool regprint_store_reg_values(const char *key, struct regval_ctr *values)
1236 {
1237         int i = match_registry_path( key );
1238
1239         if ( i == -1 )
1240                 return False;
1241
1242         if ( !print_registry[i].store_values )
1243                 return False;
1244
1245         return print_registry[i].store_values( key, values );
1246 }
1247
1248 /*
1249  * Table of function pointers for accessing printing data
1250  */
1251
1252 struct registry_ops printing_ops = {
1253         .fetch_subkeys = regprint_fetch_reg_keys,
1254         .fetch_values = regprint_fetch_reg_values,
1255         .store_subkeys = regprint_store_reg_keys,
1256         .store_values = regprint_store_reg_values,
1257 };