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
  24 #undef DBGC_CLASS
  25 #define DBGC_CLASS DBGC_REGISTRY
  26
  27 /* registrt paths used in the print_registry[] */
  28
  29 #define KEY_MONITORS            "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/MONITORS"
  30 #define KEY_FORMS               "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/FORMS"
  31 #define KEY_CONTROL_PRINTERS    "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/PRINTERS"
  32 #define KEY_ENVIRONMENTS        "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/ENVIRONMENTS"
  33 #define KEY_CONTROL_PRINT       "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT"
  34 #define KEY_WINNT_PRINTERS      "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PRINT/PRINTERS"
  35 #define KEY_WINNT_PRINT         "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PRINT"
  36 #define KEY_PORTS               "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PORTS"
  37
  38 /* callback table for various registry paths below the ones we service in this module */
  39
  40 struct reg_dyn_tree {
  41         /* full key path in normalized form */
  42         const char *path;
  43
  44         /* callbscks for fetch/store operations */
  45         int ( *fetch_subkeys) ( const char *path, struct regsubkey_ctr *subkeys );
  46         bool (*store_subkeys) ( const char *path, struct regsubkey_ctr *subkeys );
  47         int  (*fetch_values)  ( const char *path, struct regval_ctr *values );
  48         bool (*store_values)  ( const char *path, struct regval_ctr *values );
  49 };
  50
  51 /*********************************************************************
  52  *********************************************************************
  53  ** Utility Functions
  54  *********************************************************************
  55  *********************************************************************/
  56
  57 /***********************************************************************
  58  simple function to prune a pathname down to the basename of a file
  59  **********************************************************************/
  60
  61 static const char *dos_basename(const char *path)
  62 {
  63         const char *p;
  64
  65         if (!(p = strrchr( path, '\\'))) {
  66                 p = path;
  67         } else {
  68                 p++;
  69         }
  70
  71         return p;
  72 }
  73
  74 /*********************************************************************
  75  *********************************************************************
  76  ** "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/FORMS"
  77  *********************************************************************
  78  *********************************************************************/
  79
  80 static int key_forms_fetch_keys(const char *key, struct regsubkey_ctr *subkeys)
  81 {
  82         char *p = reg_remaining_path(talloc_tos(), key + strlen(KEY_FORMS));
  83
  84         /* no keys below Forms */
  85
  86         if (p) {
  87                 return -1;
  88         }
  89
  90         return 0;
  91 }
  92
  93 /**********************************************************************
  94  *********************************************************************/
  95
  96 static int key_forms_fetch_values(const char *key, struct regval_ctr *values)
  97 {
  98         uint32          data[8];
  99         int             i, num_values, form_index = 1;
 100         nt_forms_struct *forms_list = NULL;
 101         nt_forms_struct *form;
 102
 103         DEBUG(10,("print_values_forms: key=>[%s]\n", key ? key : "NULL" ));
 104
 105         num_values = get_ntforms( &forms_list );
 106
 107         DEBUG(10,("hive_forms_fetch_values: [%d] user defined forms returned\n",
 108                 num_values));
 109
 110         /* handle user defined forms */
 111
 112         for ( i=0; i<num_values; i++ ) {
 113                 form = &forms_list[i];
 114
 115                 data[0] = form->width;
 116                 data[1] = form->length;
 117                 data[2] = form->left;
 118                 data[3] = form->top;
 119                 data[4] = form->right;
 120                 data[5] = form->bottom;
 121                 data[6] = form_index++;
 122                 data[7] = form->flag;
 123
 124                 regval_ctr_addvalue( values, form->name, REG_BINARY, (char*)data, sizeof(data) );
 125         }
 126
 127         SAFE_FREE( forms_list );
 128         forms_list = NULL;
 129
 130         /* handle built-on forms */
 131
 132         num_values = get_builtin_ntforms( &forms_list );
 133
 134         DEBUG(10,("print_subpath_values_forms: [%d] built-in forms returned\n",
 135                 num_values));
 136
 137         for ( i=0; i<num_values; i++ ) {
 138                 form = &forms_list[i];
 139
 140                 data[0] = form->width;
 141                 data[1] = form->length;
 142                 data[2] = form->left;
 143                 data[3] = form->top;
 144                 data[4] = form->right;
 145                 data[5] = form->bottom;
 146                 data[6] = form_index++;
 147                 data[7] = form->flag;
 148
 149                 regval_ctr_addvalue(values, form->name, REG_BINARY, (char*)data, sizeof(data) );
 150         }
 151
 152         SAFE_FREE(forms_list);
 153
 154         return regval_ctr_numvals(values);
 155 }
 156
 157 /*********************************************************************
 158  *********************************************************************
 159  ** "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/PRINTERS"
 160  ** "HKLM/SOFTWARE/MICROSOFT/WINDOWS NT/CURRENTVERSION/PRINT/PRINTERS"
 161  *********************************************************************
 162  *********************************************************************/
 163
 164 /*********************************************************************
 165  strip off prefix for printers key.  DOes return a pointer to static
 166  memory.
 167  *********************************************************************/
 168
 169 static char *strip_printers_prefix(const char *key)
 170 {
 171         char *subkeypath = NULL;
 172         char *path = NULL;
 173         TALLOC_CTX *ctx = talloc_tos();
 174
 175         path = talloc_strdup(ctx, key);
 176         if (!path) {
 177                 return NULL;
 178         }
 179         path = normalize_reg_path(ctx, path);
 180         if (!path) {
 181                 return NULL;
 182         }
 183
 184         /* normalizing the path does not change length, just key delimiters and case */
 185
 186         if (strncmp(path, KEY_WINNT_PRINTERS, strlen(KEY_WINNT_PRINTERS)) == 0) {
 187                 subkeypath = reg_remaining_path(ctx, key + strlen(KEY_WINNT_PRINTERS));
 188         } else {
 189                 subkeypath = reg_remaining_path(ctx, key + strlen(KEY_CONTROL_PRINTERS));
 190         }
 191
 192         TALLOC_FREE(path);
 193         return subkeypath;
 194 }
 195
 196 /*********************************************************************
 197  *********************************************************************/
 198
 199 static int key_printers_fetch_keys( const char *key, struct regsubkey_ctr *subkeys )
 200 {
 201         int n_services = lp_numservices();
 202         int snum;
 203         fstring sname;
 204         int i;
 205         int num_subkeys = 0;
 206         char *printers_key;
 207         char *printername, *printerdatakey;
 208         NT_PRINTER_INFO_LEVEL *printer = NULL;
 209         fstring *subkey_names = NULL;
 210
 211         DEBUG(10,("key_printers_fetch_keys: key=>[%s]\n", key ? key : "NULL" ));
 212
 213         printers_key = strip_printers_prefix( key );
 214
 215         if ( !printers_key ) {
 216                 /* enumerate all printers */
 217
 218                 for (snum=0; snum<n_services; snum++) {
 219                         if ( !(lp_snum_ok(snum) && lp_print_ok(snum) ) )
 220                                 continue;
 221
 222                         /* don't report the [printers] share */
 223
 224                         if ( strequal( lp_servicename(snum), PRINTERS_NAME ) )
 225                                 continue;
 226
 227                         fstrcpy( sname, lp_servicename(snum) );
 228
 229                         regsubkey_ctr_addkey( subkeys, sname );
 230                 }
 231
 232                 num_subkeys = regsubkey_ctr_numkeys( subkeys );
 233                 goto done;
 234         }
 235
 236         /* get information for a specific printer */
 237
 238         if (!reg_split_path( printers_key, &printername, &printerdatakey )) {
 239                 return -1;
 240         }
 241
 242         /* validate the printer name */
 243
 244         for (snum=0; snum<n_services; snum++) {
 245                 if ( !lp_snum_ok(snum) || !lp_print_ok(snum) )
 246                         continue;
 247                 if (strequal( lp_servicename(snum), printername ) )
 248                         break;
 249         }
 250
 251         if ( snum>=n_services
 252                 || !W_ERROR_IS_OK( get_a_printer(NULL, &printer, 2, printername) ) )
 253         {
 254                 return -1;
 255         }
 256
 257         num_subkeys = get_printer_subkeys( printer->info_2->data, printerdatakey?printerdatakey:"", &subkey_names );
 258
 259         for ( i=0; i<num_subkeys; i++ )
 260                 regsubkey_ctr_addkey( subkeys, subkey_names[i] );
 261
 262         free_a_printer( &printer, 2 );
 263
 264         /* no other subkeys below here */
 265
 266 done:
 267         SAFE_FREE( subkey_names );
 268
 269         return num_subkeys;
 270 }
 271
 272 /**********************************************************************
 273  Take a list of names and call add_printer_hook() if necessary
 274  Note that we do this a little differently from Windows since the
 275  keyname is the sharename and not the printer name.
 276  *********************************************************************/
 277
 278 static bool add_printers_by_registry( struct regsubkey_ctr *subkeys )
 279 {
 280         int i, num_keys, snum;
 281         char *printername;
 282         NT_PRINTER_INFO_LEVEL_2 info2;
 283         NT_PRINTER_INFO_LEVEL printer;
 284
 285         ZERO_STRUCT( info2 );
 286         printer.info_2 = &info2;
 287
 288         num_keys = regsubkey_ctr_numkeys( subkeys );
 289
 290         become_root();
 291         for ( i=0; i<num_keys; i++ ) {
 292                 printername = regsubkey_ctr_specific_key( subkeys, i );
 293                 snum = find_service( printername );
 294
 295                 /* just verify a valied snum for now */
 296                 if ( snum == -1 ) {
 297                         fstrcpy( info2.printername, printername );
 298                         fstrcpy( info2.sharename, printername );
 299                         if ( !add_printer_hook(talloc_tos(), NULL, &printer ) ) {
 300                                 DEBUG(0,("add_printers_by_registry: Failed to add printer [%s]\n",
 301                                         printername));
 302                         }
 303                 }
 304         }
 305         unbecome_root();
 306
 307         return True;
 308 }
 309
 310 /**********************************************************************
 311  *********************************************************************/
 312
 313 static bool key_printers_store_keys( const char *key, struct regsubkey_ctr *subkeys )
 314 {
 315         char *printers_key;
 316         char *printername, *printerdatakey;
 317         NT_PRINTER_INFO_LEVEL *printer = NULL;
 318         int i, num_subkeys, num_existing_keys;
 319         char *subkeyname;
 320         fstring *existing_subkeys = NULL;
 321
 322         printers_key = strip_printers_prefix( key );
 323
 324         if ( !printers_key ) {
 325                 /* have to deal with some new or deleted printer */
 326                 return add_printers_by_registry( subkeys );
 327         }
 328
 329         if (!reg_split_path( printers_key, &printername, &printerdatakey )) {
 330                 return False;
 331         }
 332
 333         /* lookup the printer */
 334
 335         if ( !W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, printername)) ) {
 336                 DEBUG(0,("key_printers_store_keys: Tried to store subkey for bad printername %s\n",
 337                         printername));
 338                 return False;
 339         }
 340
 341         /* get the top level printer keys */
 342
 343         num_existing_keys = get_printer_subkeys( printer->info_2->data, "", &existing_subkeys );
 344
 345         for ( i=0; i<num_existing_keys; i++ ) {
 346
 347                 /* remove the key if it has been deleted */
 348
 349                 if ( !regsubkey_ctr_key_exists( subkeys, existing_subkeys[i] ) ) {
 350                         DEBUG(5,("key_printers_store_keys: deleting key %s\n",
 351                                 existing_subkeys[i]));
 352                         delete_printer_key( printer->info_2->data, existing_subkeys[i] );
 353                 }
 354         }
 355
 356         num_subkeys = regsubkey_ctr_numkeys( subkeys );
 357         for ( i=0; i<num_subkeys; i++ ) {
 358                 subkeyname = regsubkey_ctr_specific_key(subkeys, i);
 359                 /* add any missing printer keys */
 360                 if ( lookup_printerkey(printer->info_2->data, subkeyname) == -1 ) {
 361                         DEBUG(5,("key_printers_store_keys: adding key %s\n",
 362                                 existing_subkeys[i]));
 363                         if ( add_new_printer_key( printer->info_2->data, subkeyname ) == -1 ) {
 364                                 SAFE_FREE( existing_subkeys );
 365                                 return False;
 366                         }
 367                 }
 368         }
 369
 370         /* write back to disk */
 371
 372         mod_a_printer( printer, 2 );
 373
 374         /* cleanup */
 375
 376         free_a_printer( &printer, 2 );
 377
 378         SAFE_FREE( existing_subkeys );
 379
 380         return True;
 381 }
 382
 383 /**********************************************************************
 384  *********************************************************************/
 385
 386 static void fill_in_printer_values(NT_PRINTER_INFO_LEVEL_2 *info2, struct regval_ctr *values)
 387 {
 388         struct spoolss_DeviceMode *devmode;
 389         char            *p;
 390         uint32 printer_status = PRINTER_STATUS_OK;
 391
 392         regval_ctr_addvalue( values, "Attributes",       REG_DWORD, (char*)&info2->attributes,       sizeof(info2->attributes) );
 393         regval_ctr_addvalue( values, "Priority",         REG_DWORD, (char*)&info2->priority,         sizeof(info2->attributes) );
 394         regval_ctr_addvalue( values, "ChangeID",         REG_DWORD, (char*)&info2->changeid,         sizeof(info2->changeid) );
 395         regval_ctr_addvalue( values, "Default Priority", REG_DWORD, (char*)&info2->default_priority, sizeof(info2->default_priority) );
 396
 397         /* lie and say everything is ok since we don't want to call print_queue_length() to get the real status */
 398         regval_ctr_addvalue( values, "Status",           REG_DWORD, (char*)&printer_status,          sizeof(info2->status) );
 399
 400         regval_ctr_addvalue( values, "StartTime",        REG_DWORD, (char*)&info2->starttime,        sizeof(info2->starttime) );
 401         regval_ctr_addvalue( values, "UntilTime",        REG_DWORD, (char*)&info2->untiltime,        sizeof(info2->untiltime) );
 402
 403         /* strip the \\server\ from this string */
 404         if ( !(p = strrchr( info2->printername, '\\' ) ) )
 405                 p = info2->printername;
 406         else
 407                 p++;
 408
 409         regval_ctr_addvalue_sz(values, "Name", p);
 410         regval_ctr_addvalue_sz(values, "Location", info2->location);
 411         regval_ctr_addvalue_sz(values, "Description", info2->comment);
 412         regval_ctr_addvalue_sz(values, "Parameters", info2->parameters);
 413         regval_ctr_addvalue_sz(values, "Port", info2->portname);
 414         regval_ctr_addvalue_sz(values, "Share Name", info2->sharename);
 415         regval_ctr_addvalue_sz(values, "Printer Driver", info2->drivername);
 416         regval_ctr_addvalue_sz(values, "Separator File", info2->sepfile);
 417         regval_ctr_addvalue_sz(values, "Print Processor", "WinPrint");
 418         regval_ctr_addvalue_sz(values, "Datatype", "RAW");
 419
 420         /* stream the device mode */
 421
 422         devmode = construct_dev_mode(values,info2->sharename);
 423         if (devmode) {
 424                 DATA_BLOB blob;
 425                 enum ndr_err_code ndr_err;
 426
 427                 ndr_err = ndr_push_struct_blob(&blob, values, NULL, devmode,
 428                                 (ndr_push_flags_fn_t)ndr_push_spoolss_DeviceMode);
 429
 430                 if (NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 431                         regval_ctr_addvalue(values, "Default Devmode", REG_BINARY,
 432                                             (const char *)blob.data, blob.length);
 433                 }
 434         }
 435
 436         /* stream the printer security descriptor */
 437
 438         if (info2->secdesc_buf &&
 439             info2->secdesc_buf->sd &&
 440             info2->secdesc_buf->sd_size)
 441         {
 442                 NTSTATUS status;
 443                 DATA_BLOB blob;
 444
 445                 status = marshall_sec_desc(values, info2->secdesc_buf->sd,
 446                                            &blob.data, &blob.length);
 447                 if (NT_STATUS_IS_OK(status)) {
 448                         regval_ctr_addvalue(values, "Security", REG_BINARY,
 449                                             (const char *)blob.data, blob.length);
 450                 }
 451         }
 452
 453         return;
 454 }
 455
 456 /**********************************************************************
 457  *********************************************************************/
 458
 459 static int key_printers_fetch_values(const char *key, struct regval_ctr *values)
 460 {
 461         int             num_values;
 462         char            *printers_key;
 463         char            *printername, *printerdatakey;
 464         NT_PRINTER_INFO_LEVEL   *printer = NULL;
 465         NT_PRINTER_DATA *p_data;
 466         int             i, key_index;
 467
 468         printers_key = strip_printers_prefix( key );
 469
 470         /* top level key values stored in the registry has no values */
 471
 472         if ( !printers_key ) {
 473                 /* normalize to the 'HKLM\SOFTWARE\...\Print\Printers' key */
 474                 return regdb_fetch_values( KEY_WINNT_PRINTERS, values );
 475         }
 476
 477         /* lookup the printer object */
 478
 479         if (!reg_split_path( printers_key, &printername, &printerdatakey )) {
 480                 return -1;
 481         }
 482
 483         if ( !W_ERROR_IS_OK( get_a_printer(NULL, &printer, 2, printername) ) )
 484                 goto done;
 485
 486         if ( !printerdatakey ) {
 487                 fill_in_printer_values( printer->info_2, values );
 488                 goto done;
 489         }
 490
 491         /* iterate over all printer data keys and fill the regval container */
 492
 493         p_data = printer->info_2->data;
 494         if ( (key_index = lookup_printerkey( p_data, printerdatakey )) == -1  ) {
 495                 /* failure....should never happen if the client has a valid open handle first */
 496                 DEBUG(10,("key_printers_fetch_values: Unknown keyname [%s]\n", printerdatakey));
 497                 free_a_printer( &printer, 2 );
 498                 return -1;
 499         }
 500
 501         num_values = regval_ctr_numvals( p_data->keys[key_index].values );
 502         for ( i=0; i<num_values; i++ )
 503                 regval_ctr_copyvalue( values, regval_ctr_specific_value(p_data->keys[key_index].values, i) );
 504
 505
 506 done:
 507         if ( printer )
 508                 free_a_printer( &printer, 2 );
 509
 510         return regval_ctr_numvals( values );
 511 }
 512
 513 /**********************************************************************
 514  *********************************************************************/
 515
 516 #define REG_IDX_ATTRIBUTES              1
 517 #define REG_IDX_PRIORITY                2
 518 #define REG_IDX_DEFAULT_PRIORITY        3
 519 #define REG_IDX_CHANGEID                4
 520 #define REG_IDX_STATUS                  5
 521 #define REG_IDX_STARTTIME               6
 522 #define REG_IDX_NAME                    7
 523 #define REG_IDX_LOCATION                8
 524 #define REG_IDX_DESCRIPTION             9
 525 #define REG_IDX_PARAMETERS              10
 526 #define REG_IDX_PORT                    12
 527 #define REG_IDX_SHARENAME               13
 528 #define REG_IDX_DRIVER                  14
 529 #define REG_IDX_SEP_FILE                15
 530 #define REG_IDX_PRINTPROC               16
 531 #define REG_IDX_DATATYPE                17
 532 #define REG_IDX_DEVMODE                 18
 533 #define REG_IDX_SECDESC                 19
 534 #define REG_IDX_UNTILTIME               20
 535
 536 struct {
 537         const char *name;
 538         int index;
 539 } printer_values_map[] = {
 540         { "Attributes",         REG_IDX_ATTRIBUTES },
 541         { "Priority",           REG_IDX_PRIORITY },
 542         { "Default Priority",   REG_IDX_DEFAULT_PRIORITY },
 543         { "ChangeID",           REG_IDX_CHANGEID },
 544         { "Status",             REG_IDX_STATUS },
 545         { "StartTime",          REG_IDX_STARTTIME },
 546         { "UntilTime",          REG_IDX_UNTILTIME },
 547         { "Name",               REG_IDX_NAME },
 548         { "Location",           REG_IDX_LOCATION },
 549         { "Description",        REG_IDX_DESCRIPTION },
 550         { "Parameters",         REG_IDX_PARAMETERS },
 551         { "Port",               REG_IDX_PORT },
 552         { "Share Name",         REG_IDX_SHARENAME },
 553         { "Printer Driver",     REG_IDX_DRIVER },
 554         { "Separator File",     REG_IDX_SEP_FILE },
 555         { "Print Processor",    REG_IDX_PRINTPROC },
 556         { "Datatype",           REG_IDX_DATATYPE },
 557         { "Default Devmode",    REG_IDX_DEVMODE },
 558         { "Security",           REG_IDX_SECDESC },
 559         { NULL, -1 }
 560 };
 561
 562
 563 static int find_valuename_index( const char *valuename )
 564 {
 565         int i;
 566
 567         for ( i=0; printer_values_map[i].name; i++ ) {
 568                 if ( strequal( valuename, printer_values_map[i].name ) )
 569                         return printer_values_map[i].index;
 570         }
 571
 572         return -1;
 573 }
 574
 575 /**********************************************************************
 576  *********************************************************************/
 577
 578 static void convert_values_to_printer_info_2(NT_PRINTER_INFO_LEVEL_2 *printer2, struct regval_ctr *values)
 579 {
 580         int num_values = regval_ctr_numvals( values );
 581         uint32 value_index;
 582         struct regval_blob *val;
 583         int i;
 584
 585         for ( i=0; i<num_values; i++ ) {
 586                 val = regval_ctr_specific_value( values, i );
 587                 value_index = find_valuename_index( regval_name( val ) );
 588
 589                 switch( value_index ) {
 590                         case REG_IDX_ATTRIBUTES:
 591                                 printer2->attributes = (uint32)(*regval_data_p(val));
 592                                 break;
 593                         case REG_IDX_PRIORITY:
 594                                 printer2->priority = (uint32)(*regval_data_p(val));
 595                                 break;
 596                         case REG_IDX_DEFAULT_PRIORITY:
 597                                 printer2->default_priority = (uint32)(*regval_data_p(val));
 598                                 break;
 599                         case REG_IDX_CHANGEID:
 600                                 printer2->changeid = (uint32)(*regval_data_p(val));
 601                                 break;
 602                         case REG_IDX_STARTTIME:
 603                                 printer2->starttime = (uint32)(*regval_data_p(val));
 604                                 break;
 605                         case REG_IDX_UNTILTIME:
 606                                 printer2->untiltime = (uint32)(*regval_data_p(val));
 607                                 break;
 608                         case REG_IDX_NAME:
 609                                 rpcstr_pull( printer2->printername, regval_data_p(val), sizeof(fstring), regval_size(val), 0 );
 610                                 break;
 611                         case REG_IDX_LOCATION:
 612                                 rpcstr_pull( printer2->location, regval_data_p(val), sizeof(fstring), regval_size(val), 0 );
 613                                 break;
 614                         case REG_IDX_DESCRIPTION:
 615                                 rpcstr_pull( printer2->comment, regval_data_p(val), sizeof(fstring), regval_size(val), 0 );
 616                                 break;
 617                         case REG_IDX_PARAMETERS:
 618                                 rpcstr_pull( printer2->parameters, regval_data_p(val), sizeof(fstring), regval_size(val), 0 );
 619                                 break;
 620                         case REG_IDX_PORT:
 621                                 rpcstr_pull( printer2->portname, regval_data_p(val), sizeof(fstring), regval_size(val), 0 );
 622                                 break;
 623                         case REG_IDX_SHARENAME:
 624                                 rpcstr_pull( printer2->sharename, regval_data_p(val), sizeof(fstring), regval_size(val), 0 );
 625                                 break;
 626                         case REG_IDX_DRIVER:
 627                                 rpcstr_pull( printer2->drivername, regval_data_p(val), sizeof(fstring), regval_size(val), 0 );
 628                                 break;
 629                         case REG_IDX_SEP_FILE:
 630                                 rpcstr_pull( printer2->sepfile, regval_data_p(val), sizeof(fstring), regval_size(val), 0 );
 631                                 break;
 632                         case REG_IDX_PRINTPROC:
 633                                 rpcstr_pull( printer2->printprocessor, regval_data_p(val), sizeof(fstring), regval_size(val), 0 );
 634                                 break;
 635                         case REG_IDX_DATATYPE:
 636                                 rpcstr_pull( printer2->datatype, regval_data_p(val), sizeof(fstring), regval_size(val), 0 );
 637                                 break;
 638                         case REG_IDX_DEVMODE:
 639                                 break;
 640                         case REG_IDX_SECDESC:
 641                                 break;
 642                         default:
 643                                 /* unsupported value...throw away */
 644                                 DEBUG(8,("convert_values_to_printer_info_2: Unsupported registry value [%s]\n",
 645                                         regval_name( val ) ));
 646                 }
 647         }
 648
 649         return;
 650 }
 651
 652 /**********************************************************************
 653  *********************************************************************/
 654
 655 static bool key_printers_store_values(const char *key, struct regval_ctr *values)
 656 {
 657         char *printers_key;
 658         char *printername, *keyname;
 659         NT_PRINTER_INFO_LEVEL   *printer = NULL;
 660         WERROR result;
 661
 662         printers_key = strip_printers_prefix( key );
 663
 664         /* values in the top level key get stored in the registry */
 665
 666         if ( !printers_key ) {
 667                 /* normalize on the 'HKLM\SOFTWARE\....\Print\Printers' key */
 668                 return regdb_store_values( KEY_WINNT_PRINTERS, values );
 669         }
 670
 671         if (!reg_split_path( printers_key, &printername, &keyname )) {
 672                 return False;
 673         }
 674
 675         if ( !W_ERROR_IS_OK(get_a_printer(NULL, &printer, 2, printername) ) )
 676                 return False;
 677
 678         /* deal with setting values directly under the printername */
 679
 680         if ( !keyname ) {
 681                 convert_values_to_printer_info_2( printer->info_2, values );
 682         }
 683         else {
 684                 int num_values = regval_ctr_numvals( values );
 685                 int i;
 686                 struct regval_blob *val;
 687
 688                 delete_printer_key( printer->info_2->data, keyname );
 689
 690                 /* deal with any subkeys */
 691                 for ( i=0; i<num_values; i++ ) {
 692                         val = regval_ctr_specific_value( values, i );
 693                         result = set_printer_dataex( printer, keyname,
 694                                 regval_name( val ),
 695                                 regval_type( val ),
 696                                 regval_data_p( val ),
 697                                 regval_size( val ) );
 698                         if ( !W_ERROR_IS_OK(result) ) {
 699                                 DEBUG(0,("key_printers_store_values: failed to set printer data [%s]!\n",
 700                                         keyname));
 701                                 free_a_printer( &printer, 2 );
 702                                 return False;
 703                         }
 704                 }
 705         }
 706
 707         result = mod_a_printer( printer, 2 );
 708
 709         free_a_printer( &printer, 2 );
 710
 711         return W_ERROR_IS_OK(result);
 712 }
 713
 714 /*********************************************************************
 715  *********************************************************************
 716  ** "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT/ENVIRONMENTS"
 717  *********************************************************************
 718  *********************************************************************/
 719
 720 static int key_driver_fetch_keys( const char *key, struct regsubkey_ctr *subkeys )
 721 {
 722         const char *environments[] = {
 723                 "Windows 4.0",
 724                 "Windows NT x86",
 725                 "Windows NT R4000",
 726                 "Windows NT Alpha_AXP",
 727                 "Windows NT PowerPC",
 728                 "Windows IA64",
 729                 "Windows x64",
 730                 NULL };
 731         fstring *drivers = NULL;
 732         int i, env_index, num_drivers;
 733         char *keystr, *base, *subkeypath;
 734         char *key2 = NULL;
 735         int num_subkeys = -1;
 736         int version;
 737         TALLOC_CTX *ctx = talloc_tos();
 738
 739         DEBUG(10,("key_driver_fetch_keys key=>[%s]\n", key ? key : "NULL" ));
 740
 741         keystr = reg_remaining_path(ctx, key + strlen(KEY_ENVIRONMENTS) );
 742
 743         /* list all possible architectures */
 744
 745         if ( !keystr ) {
 746                 for ( num_subkeys=0; environments[num_subkeys]; num_subkeys++ )
 747                         regsubkey_ctr_addkey( subkeys,  environments[num_subkeys] );
 748
 749                 return num_subkeys;
 750         }
 751
 752         /* we are dealing with a subkey of "Environments */
 753         key2 = talloc_strdup(ctx, keystr);
 754         if (!key2) {
 755                 return -1;
 756         }
 757         keystr = key2;
 758         if (!reg_split_path(keystr, &base, &subkeypath )) {
 759                 return -1;
 760         }
 761
 762         /* sanity check */
 763
 764         for ( env_index=0; environments[env_index]; env_index++ ) {
 765                 if ( strequal( environments[env_index], base ) )
 766                         break;
 767         }
 768         if ( !environments[env_index] )
 769                 return -1;
 770
 771         /* ...\Print\Environements\...\ */
 772
 773         if ( !subkeypath ) {
 774                 regsubkey_ctr_addkey( subkeys, "Drivers" );
 775                 regsubkey_ctr_addkey( subkeys, "Print Processors" );
 776
 777                 return 2;
 778         }
 779
 780         /* more of the key path to process */
 781
 782         keystr = subkeypath;
 783         if (!reg_split_path( keystr, &base, &subkeypath )) {
 784                 return -1;
 785         }
 786
 787         /* ...\Print\Environements\...\Drivers\ */
 788
 789         if ( !subkeypath ) {
 790                 if ( strequal(base, "Drivers") ) {
 791                         switch ( env_index ) {
 792                                 case 0: /* Win9x */
 793                                         regsubkey_ctr_addkey( subkeys, "Version-0" );
 794                                         break;
 795                                 default: /* Windows NT based systems */
 796                                         regsubkey_ctr_addkey( subkeys, "Version-2" );
 797                                         regsubkey_ctr_addkey( subkeys, "Version-3" );
 798                                         break;
 799                         }
 800
 801                         return regsubkey_ctr_numkeys( subkeys );
 802                 } else if ( strequal(base, "Print Processors") ) {
 803                         if ( env_index == 1 || env_index == 5 || env_index == 6 )
 804
 805
 806                         return regsubkey_ctr_numkeys( subkeys );
 807                 } else
 808                         return -1;      /* bad path */
 809         }
 810
 811         /* we finally get to enumerate the drivers */
 812
 813         /* only one possible subkey below PrintProc key */
 814
 815         if ( strequal(base, "Print Processors") ) {
 816                 keystr = subkeypath;
 817                 if (!reg_split_path( keystr, &base, &subkeypath )) {
 818                         return -1;
 819                 }
 820
 821                 /* no subkeys below this point */
 822
 823                 if ( subkeypath )
 824                         return -1;
 825
 826                 /* only allow one keyname here -- 'winprint' */
 827
 828                 return strequal( base, "winprint" ) ? 0 : -1;
 829         }
 830
 831         /* only dealing with drivers from here on out */
 832
 833         keystr = subkeypath;
 834         if (!reg_split_path( keystr, &base, &subkeypath )) {
 835                 return -1;
 836         }
 837
 838         version = atoi(&base[strlen(base)-1]);
 839
 840         switch (env_index) {
 841         case 0:
 842                 if ( version != 0 )
 843                         return -1;
 844                 break;
 845         default:
 846                 if ( version != 2 && version != 3 )
 847                         return -1;
 848                 break;
 849         }
 850
 851
 852         if ( !subkeypath ) {
 853                 num_drivers = get_ntdrivers( &drivers, environments[env_index], version );
 854                 for ( i=0; i<num_drivers; i++ )
 855                         regsubkey_ctr_addkey( subkeys, drivers[i] );
 856
 857                 return regsubkey_ctr_numkeys( subkeys );
 858         }
 859
 860         /* if anything else left, just say if has no subkeys */
 861
 862         DEBUG(1,("key_driver_fetch_keys unhandled key [%s] (subkey == %s)\n",
 863                 key, subkeypath ));
 864
 865         return 0;
 866 }
 867
 868
 869 /**********************************************************************
 870  *********************************************************************/
 871
 872 static void fill_in_driver_values(NT_PRINTER_DRIVER_INFO_LEVEL_3 *info3, struct regval_ctr *values)
 873 {
 874         char *buffer = NULL;
 875         int buffer_size = 0;
 876         int i, length;
 877         const char *filename;
 878         DATA_BLOB data;
 879
 880         filename = dos_basename( info3->driverpath );
 881         regval_ctr_addvalue_sz(values, "Driver", filename);
 882
 883         filename = dos_basename( info3->configfile );
 884         regval_ctr_addvalue_sz(values, "Configuration File", filename);
 885
 886         filename = dos_basename( info3->datafile );
 887         regval_ctr_addvalue_sz(values, "Data File", filename);
 888
 889         filename = dos_basename( info3->helpfile );
 890         regval_ctr_addvalue_sz(values, "Help File", filename);
 891
 892         regval_ctr_addvalue_sz(values, "Data Type", info3->defaultdatatype);
 893
 894         regval_ctr_addvalue( values, "Version", REG_DWORD, (char*)&info3->cversion,
 895                 sizeof(info3->cversion) );
 896
 897         if ( info3->dependentfiles ) {
 898                 /* place the list of dependent files in a single
 899                    character buffer, separating each file name by
 900                    a NULL */
 901
 902                 for ( i=0; strcmp(info3->dependentfiles[i], ""); i++ ) {
 903                         /* strip the path to only the file's base name */
 904
 905                         filename = dos_basename( info3->dependentfiles[i] );
 906
 907                         length = strlen(filename);
 908
 909                         buffer = (char *)SMB_REALLOC( buffer, buffer_size + (length + 1)*sizeof(uint16) );
 910                         if ( !buffer ) {
 911                                 break;
 912                         }
 913
 914                         push_reg_sz(talloc_tos(), &data, filename);
 915                         memcpy( buffer+buffer_size, (char*)data.data, data.length);
 916
 917                         buffer_size += (length + 1)*sizeof(uint16);
 918                 }
 919
 920                 /* terminated by double NULL.  Add the final one here */
 921
 922                 buffer = (char *)SMB_REALLOC( buffer, buffer_size + 2 );
 923                 if ( !buffer ) {
 924                         buffer_size = 0;
 925                 } else {
 926                         buffer[buffer_size++] = '\0';
 927                         buffer[buffer_size++] = '\0';
 928                 }
 929         }
 930
 931         regval_ctr_addvalue( values, "Dependent Files",    REG_MULTI_SZ, buffer, buffer_size );
 932
 933         SAFE_FREE( buffer );
 934
 935         return;
 936 }
 937
 938 /**********************************************************************
 939  *********************************************************************/
 940
 941 static int driver_arch_fetch_values(char *key, struct regval_ctr *values)
 942 {
 943         char            *keystr, *base, *subkeypath;
 944         fstring         arch_environment;
 945         fstring         driver;
 946         int             version;
 947         NT_PRINTER_DRIVER_INFO_LEVEL    driver_ctr;
 948         WERROR          w_result;
 949
 950         if (!reg_split_path( key, &base, &subkeypath )) {
 951                 return -1;
 952         }
 953
 954         /* no values in 'Environments\Drivers\Windows NT x86' */
 955
 956         if ( !subkeypath )
 957                 return 0;
 958
 959         /* We have the Architecture string and some subkey name:
 960            Currently we only support
 961            * Drivers
 962            * Print Processors
 963            Anything else is an error.
 964            */
 965
 966         fstrcpy( arch_environment, base );
 967
 968         keystr = subkeypath;
 969         if (!reg_split_path( keystr, &base, &subkeypath )) {
 970                 return -1;
 971         }
 972
 973         if ( strequal(base, "Print Processors") )
 974                 return 0;
 975
 976         /* only Drivers key can be left */
 977
 978         if ( !strequal(base, "Drivers") )
 979                 return -1;
 980
 981         if ( !subkeypath )
 982                 return 0;
 983
 984         /* We know that we have Architechure\Drivers with some subkey name
 985            The subkey name has to be Version-XX */
 986
 987         keystr = subkeypath;
 988         if (!reg_split_path( keystr, &base, &subkeypath )) {
 989                 return -1;
 990         }
 991
 992         if ( !subkeypath )
 993                 return 0;
 994
 995         version = atoi(&base[strlen(base)-1]);
 996
 997         /* BEGIN PRINTER DRIVER NAME BLOCK */
 998
 999         keystr = subkeypath;
1000         if (!reg_split_path( keystr, &base, &subkeypath )) {
1001                 return -1;
1002         }
1003
1004         /* don't go any deeper for now */
1005
1006         fstrcpy( driver, base );
1007
1008         w_result = get_a_printer_driver( &driver_ctr, 3, driver, arch_environment, version );
1009
1010         if ( !W_ERROR_IS_OK(w_result) )
1011                 return -1;
1012
1013         fill_in_driver_values( driver_ctr.info_3, values );
1014
1015         free_a_printer_driver( driver_ctr, 3 );
1016
1017         /* END PRINTER DRIVER NAME BLOCK */
1018
1019
1020         DEBUG(8,("key_driver_fetch_values: Exit\n"));
1021
1022         return regval_ctr_numvals( values );
1023 }
1024
1025 /**********************************************************************
1026  *********************************************************************/
1027
1028 static int key_driver_fetch_values(const char *key, struct regval_ctr *values)
1029 {
1030         char *keystr = NULL;
1031         char *subkey = NULL;
1032         TALLOC_CTX *ctx = talloc_tos();
1033
1034         DEBUG(8,("key_driver_fetch_values: Enter key => [%s]\n", key ? key : "NULL"));
1035
1036         /* no values in the Environments key */
1037
1038         if (!(keystr = reg_remaining_path(ctx, key + strlen(KEY_ENVIRONMENTS))))
1039                 return 0;
1040
1041         subkey = talloc_strdup(ctx, keystr);
1042         if (!subkey) {
1043                 return 0;
1044         }
1045
1046         /* pass off to handle subkeys */
1047
1048         return driver_arch_fetch_values( subkey, values );
1049 }
1050
1051 /*********************************************************************
1052  *********************************************************************
1053  ** "HKLM/SYSTEM/CURRENTCONTROLSET/CONTROL/PRINT"
1054  *********************************************************************
1055  *********************************************************************/
1056
1057 static int key_print_fetch_keys( const char *key, struct regsubkey_ctr *subkeys )
1058 {
1059         int key_len = strlen(key);
1060
1061         /* no keys below 'Print' handled here */
1062
1063         if ( (key_len != strlen(KEY_CONTROL_PRINT)) && (key_len != strlen(KEY_WINNT_PRINT)) )
1064                 return -1;
1065
1066         regsubkey_ctr_addkey( subkeys, "Environments" );
1067         regsubkey_ctr_addkey( subkeys, "Monitors" );
1068         regsubkey_ctr_addkey( subkeys, "Forms" );
1069         regsubkey_ctr_addkey( subkeys, "Printers" );
1070
1071         return regsubkey_ctr_numkeys( subkeys );
1072 }
1073
1074 /**********************************************************************
1075  *********************************************************************
1076  ** Structure to hold dispatch table of ops for various printer keys.
1077  ** Make sure to always store deeper keys along the same path first so
1078  ** we ge a more specific match.
1079  *********************************************************************
1080  *********************************************************************/
1081
1082 static struct reg_dyn_tree print_registry[] = {
1083 /* just pass the monitor onto the registry tdb */
1084 { KEY_MONITORS,
1085         &regdb_fetch_keys,
1086         &regdb_store_keys,
1087         &regdb_fetch_values,
1088         &regdb_store_values },
1089 { KEY_FORMS,
1090         &key_forms_fetch_keys,
1091         NULL,
1092         &key_forms_fetch_values,
1093         NULL },
1094 { KEY_CONTROL_PRINTERS,
1095         &key_printers_fetch_keys,
1096         &key_printers_store_keys,
1097         &key_printers_fetch_values,
1098         &key_printers_store_values },
1099 { KEY_ENVIRONMENTS,
1100         &key_driver_fetch_keys,
1101         NULL,
1102         &key_driver_fetch_values,
1103         NULL },
1104 { KEY_CONTROL_PRINT,
1105         &key_print_fetch_keys,
1106         NULL,
1107         NULL,
1108         NULL },
1109 { KEY_WINNT_PRINTERS,
1110         &key_printers_fetch_keys,
1111         &key_printers_store_keys,
1112         &key_printers_fetch_values,
1113         &key_printers_store_values },
1114 { KEY_PORTS,
1115         &regdb_fetch_keys,
1116         &regdb_store_keys,
1117         &regdb_fetch_values,
1118         &regdb_store_values },
1119
1120 { NULL, NULL, NULL, NULL, NULL }
1121 };
1122
1123
1124 /**********************************************************************
1125  *********************************************************************
1126  ** Main reg_printing interface functions
1127  *********************************************************************
1128  *********************************************************************/
1129
1130 /***********************************************************************
1131  Lookup a key in the print_registry table, returning its index.
1132  -1 on failure
1133  **********************************************************************/
1134
1135 static int match_registry_path(const char *key)
1136 {
1137         int i;
1138         char *path = NULL;
1139         TALLOC_CTX *ctx = talloc_tos();
1140
1141         if ( !key )
1142                 return -1;
1143
1144         path = talloc_strdup(ctx, key);
1145         if (!path) {
1146                 return -1;
1147         }
1148         path = normalize_reg_path(ctx, path);
1149         if (!path) {
1150                 return -1;
1151         }
1152
1153         for ( i=0; print_registry[i].path; i++ ) {
1154                 if (strncmp( path, print_registry[i].path, strlen(print_registry[i].path) ) == 0 )
1155                         return i;
1156         }
1157
1158         return -1;
1159 }
1160
1161 /***********************************************************************
1162  **********************************************************************/
1163
1164 static int regprint_fetch_reg_keys( const char *key, struct regsubkey_ctr *subkeys )
1165 {
1166         int i = match_registry_path( key );
1167
1168         if ( i == -1 )
1169                 return -1;
1170
1171         if ( !print_registry[i].fetch_subkeys )
1172                 return -1;
1173
1174         return print_registry[i].fetch_subkeys( key, subkeys );
1175 }
1176
1177 /**********************************************************************
1178  *********************************************************************/
1179
1180 static bool regprint_store_reg_keys( const char *key, struct regsubkey_ctr *subkeys )
1181 {
1182         int i = match_registry_path( key );
1183
1184         if ( i == -1 )
1185                 return False;
1186
1187         if ( !print_registry[i].store_subkeys )
1188                 return False;
1189
1190         return print_registry[i].store_subkeys( key, subkeys );
1191 }
1192
1193 /**********************************************************************
1194  *********************************************************************/
1195
1196 static int regprint_fetch_reg_values(const char *key, struct regval_ctr *values)
1197 {
1198         int i = match_registry_path( key );
1199
1200         if ( i == -1 )
1201                 return -1;
1202
1203         /* return 0 values by default since we know the key had
1204            to exist because the client opened a handle */
1205
1206         if ( !print_registry[i].fetch_values )
1207                 return 0;
1208
1209         return print_registry[i].fetch_values( key, values );
1210 }
1211
1212 /**********************************************************************
1213  *********************************************************************/
1214
1215 static bool regprint_store_reg_values(const char *key, struct regval_ctr *values)
1216 {
1217         int i = match_registry_path( key );
1218
1219         if ( i == -1 )
1220                 return False;
1221
1222         if ( !print_registry[i].store_values )
1223                 return False;
1224
1225         return print_registry[i].store_values( key, values );
1226 }
1227
1228 /*
1229  * Table of function pointers for accessing printing data
1230  */
1231
1232 struct registry_ops printing_ops = {
1233         .fetch_subkeys = regprint_fetch_reg_keys,
1234         .fetch_values = regprint_fetch_reg_values,
1235         .store_subkeys = regprint_store_reg_keys,
1236         .store_values = regprint_store_reg_values,
1237 };