2 * Server-side registry management
4 * Copyright (C) 1999 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library 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 GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 #include "wine/port.h"
41 #define WIN32_NO_STATUS
50 #include "wine/library.h"
54 struct list entry; /* entry in list of notifications */
55 struct event *event; /* event to set when changing this key */
56 int subtree; /* true if subtree notification */
57 unsigned int filter; /* which events to notify on */
58 obj_handle_t hkey; /* hkey associated with this notification */
59 struct process *process; /* process in which the hkey is valid */
65 struct object obj; /* object header */
66 WCHAR *name; /* key name */
67 WCHAR *class; /* key class */
68 unsigned short namelen; /* length of key name */
69 unsigned short classlen; /* length of class name */
70 struct key *parent; /* parent key */
71 int last_subkey; /* last in use subkey */
72 int nb_subkeys; /* count of allocated subkeys */
73 struct key **subkeys; /* subkeys array */
74 int last_value; /* last in use value */
75 int nb_values; /* count of allocated values in array */
76 struct key_value *values; /* values array */
77 unsigned int flags; /* flags */
78 time_t modif; /* last modification time */
79 struct list notify_list; /* list of notifications */
83 #define KEY_VOLATILE 0x0001 /* key is volatile (not saved to disk) */
84 #define KEY_DELETED 0x0002 /* key has been deleted */
85 #define KEY_DIRTY 0x0004 /* key has been modified */
90 WCHAR *name; /* value name */
91 unsigned short namelen; /* length of value name */
92 unsigned short type; /* value type */
93 data_size_t len; /* value data length in bytes */
94 void *data; /* pointer to value data */
97 #define MIN_SUBKEYS 8 /* min. number of allocated subkeys per key */
98 #define MIN_VALUES 8 /* min. number of allocated values per key */
100 #define MAX_NAME_LEN MAX_PATH /* max. length of a key name */
101 #define MAX_VALUE_LEN MAX_PATH /* max. length of a value name */
103 /* the root of the registry tree */
104 static struct key *root_key;
106 static const int save_period = 30000; /* delay between periodic saves (in ms) */
107 static struct timeout_user *save_timeout_user; /* saving timer */
109 static void set_periodic_save_timer(void);
111 /* information about where to save a registry branch */
112 struct save_branch_info
118 #define MAX_SAVE_BRANCH_INFO 3
119 static int save_branch_count;
120 static struct save_branch_info save_branch_info[MAX_SAVE_BRANCH_INFO];
123 /* information about a file being loaded */
124 struct file_load_info
126 const char *filename; /* input file name */
127 FILE *file; /* input file */
128 char *buffer; /* line buffer */
129 int len; /* buffer length */
130 int line; /* current input line */
131 WCHAR *tmp; /* temp buffer to use while parsing input */
132 size_t tmplen; /* length of temp buffer */
136 static void key_dump( struct object *obj, int verbose );
137 static unsigned int key_map_access( struct object *obj, unsigned int access );
138 static int key_close_handle( struct object *obj, struct process *process, obj_handle_t handle );
139 static void key_destroy( struct object *obj );
141 static const struct object_ops key_ops =
143 sizeof(struct key), /* size */
145 no_add_queue, /* add_queue */
146 NULL, /* remove_queue */
148 NULL, /* satisfied */
149 no_signal, /* signal */
150 no_get_fd, /* get_fd */
151 key_map_access, /* map_access */
152 no_lookup_name, /* lookup_name */
153 key_close_handle, /* close_handle */
154 key_destroy /* destroy */
159 * The registry text file format v2 used by this code is similar to the one
160 * used by REGEDIT import/export functionality, with the following differences:
161 * - strings and key names can contain \x escapes for Unicode
162 * - key names use escapes too in order to support Unicode
163 * - the modification time optionally follows the key name
164 * - REG_EXPAND_SZ and REG_MULTI_SZ are saved as strings instead of hex
167 static inline char to_hex( char ch )
169 if (isdigit(ch)) return ch - '0';
170 return tolower(ch) - 'a' + 10;
173 /* dump the full path of a key */
174 static void dump_path( const struct key *key, const struct key *base, FILE *f )
176 if (key->parent && key->parent != base)
178 dump_path( key->parent, base, f );
179 fprintf( f, "\\\\" );
181 dump_strW( key->name, key->namelen / sizeof(WCHAR), f, "[]" );
184 /* dump a value to a text file */
185 static void dump_value( const struct key_value *value, FILE *f )
193 count = 1 + dump_strW( value->name, value->namelen / sizeof(WCHAR), f, "\"\"" );
194 count += fprintf( f, "\"=" );
196 else count = fprintf( f, "@=" );
203 if (value->type != REG_SZ) fprintf( f, "str(%d):", value->type );
205 if (value->data) dump_strW( (WCHAR *)value->data, value->len / sizeof(WCHAR), f, "\"\"" );
209 if (value->len == sizeof(DWORD))
212 memcpy( &dw, value->data, sizeof(DWORD) );
213 fprintf( f, "dword:%08x", dw );
216 /* else fall through */
218 if (value->type == REG_BINARY) count += fprintf( f, "hex:" );
219 else count += fprintf( f, "hex(%x):", value->type );
220 for (i = 0; i < value->len; i++)
222 count += fprintf( f, "%02x", *((unsigned char *)value->data + i) );
223 if (i < value->len-1)
228 fprintf( f, "\\\n " );
238 /* save a registry and all its subkeys to a text file */
239 static void save_subkeys( const struct key *key, const struct key *base, FILE *f )
243 if (key->flags & KEY_VOLATILE) return;
244 /* save key if it has either some values or no subkeys */
245 /* keys with no values but subkeys are saved implicitly by saving the subkeys */
246 if ((key->last_value >= 0) || (key->last_subkey == -1))
249 if (key != base) dump_path( key, base, f );
250 fprintf( f, "] %ld\n", (long)key->modif );
251 for (i = 0; i <= key->last_value; i++) dump_value( &key->values[i], f );
253 for (i = 0; i <= key->last_subkey; i++) save_subkeys( key->subkeys[i], base, f );
256 static void dump_operation( const struct key *key, const struct key_value *value, const char *op )
258 fprintf( stderr, "%s key ", op );
259 if (key) dump_path( key, NULL, stderr );
260 else fprintf( stderr, "ERROR" );
263 fprintf( stderr, " value ");
264 dump_value( value, stderr );
266 else fprintf( stderr, "\n" );
269 static void key_dump( struct object *obj, int verbose )
271 struct key *key = (struct key *)obj;
272 assert( obj->ops == &key_ops );
273 fprintf( stderr, "Key flags=%x ", key->flags );
274 dump_path( key, NULL, stderr );
275 fprintf( stderr, "\n" );
278 /* notify waiter and maybe delete the notification */
279 static void do_notification( struct key *key, struct notify *notify, int del )
283 set_event( notify->event );
284 release_object( notify->event );
285 notify->event = NULL;
289 list_remove( ¬ify->entry );
294 static inline struct notify *find_notify( struct key *key, struct process *process, obj_handle_t hkey )
296 struct notify *notify;
298 LIST_FOR_EACH_ENTRY( notify, &key->notify_list, struct notify, entry )
300 if (notify->process == process && notify->hkey == hkey) return notify;
305 static unsigned int key_map_access( struct object *obj, unsigned int access )
307 if (access & GENERIC_READ) access |= KEY_READ;
308 if (access & GENERIC_WRITE) access |= KEY_WRITE;
309 if (access & GENERIC_EXECUTE) access |= KEY_EXECUTE;
310 if (access & GENERIC_ALL) access |= KEY_ALL_ACCESS;
311 return access & ~(GENERIC_READ | GENERIC_WRITE | GENERIC_EXECUTE | GENERIC_ALL);
314 /* close the notification associated with a handle */
315 static int key_close_handle( struct object *obj, struct process *process, obj_handle_t handle )
317 struct key * key = (struct key *) obj;
318 struct notify *notify = find_notify( key, process, handle );
319 if (notify) do_notification( key, notify, 1 );
320 return 1; /* ok to close */
323 static void key_destroy( struct object *obj )
327 struct key *key = (struct key *)obj;
328 assert( obj->ops == &key_ops );
330 if (key->name) free( key->name );
331 if (key->class) free( key->class );
332 for (i = 0; i <= key->last_value; i++)
334 if (key->values[i].name) free( key->values[i].name );
335 if (key->values[i].data) free( key->values[i].data );
337 if (key->values) free( key->values );
338 for (i = 0; i <= key->last_subkey; i++)
340 key->subkeys[i]->parent = NULL;
341 release_object( key->subkeys[i] );
343 if (key->subkeys) free( key->subkeys );
344 /* unconditionally notify everything waiting on this key */
345 while ((ptr = list_head( &key->notify_list )))
347 struct notify *notify = LIST_ENTRY( ptr, struct notify, entry );
348 do_notification( key, notify, 1 );
352 /* get the request vararg as registry path */
353 inline static void get_req_path( struct unicode_str *str, int skip_root )
355 static const WCHAR root_name[] = { '\\','R','e','g','i','s','t','r','y','\\' };
357 str->str = get_req_data();
358 str->len = (get_req_data_size() / sizeof(WCHAR)) * sizeof(WCHAR);
360 if (skip_root && str->len >= sizeof(root_name) &&
361 !memicmpW( str->str, root_name, sizeof(root_name)/sizeof(WCHAR) ))
363 str->str += sizeof(root_name)/sizeof(WCHAR);
364 str->len -= sizeof(root_name);
368 /* return the next token in a given path */
369 /* token->str must point inside the path, or be NULL for the first call */
370 static struct unicode_str *get_path_token( const struct unicode_str *path, struct unicode_str *token )
372 data_size_t i = 0, len = path->len / sizeof(WCHAR);
374 if (!token->str) /* first time */
376 /* path cannot start with a backslash */
377 if (len && path->str[0] == '\\')
379 set_error( STATUS_OBJECT_PATH_INVALID );
385 i = token->str - path->str;
386 i += token->len / sizeof(WCHAR);
387 while (i < len && path->str[i] == '\\') i++;
389 token->str = path->str + i;
390 while (i < len && path->str[i] != '\\') i++;
391 token->len = (path->str + i - token->str) * sizeof(WCHAR);
395 /* allocate a key object */
396 static struct key *alloc_key( const struct unicode_str *name, time_t modif )
399 if ((key = alloc_object( &key_ops )))
403 key->namelen = name->len;
406 key->last_subkey = -1;
410 key->last_value = -1;
414 list_init( &key->notify_list );
415 if (name->len && !(key->name = memdup( name->str, name->len )))
417 release_object( key );
424 /* mark a key and all its parents as dirty (modified) */
425 static void make_dirty( struct key *key )
429 if (key->flags & (KEY_DIRTY|KEY_VOLATILE)) return; /* nothing to do */
430 key->flags |= KEY_DIRTY;
435 /* mark a key and all its subkeys as clean (not modified) */
436 static void make_clean( struct key *key )
440 if (key->flags & KEY_VOLATILE) return;
441 if (!(key->flags & KEY_DIRTY)) return;
442 key->flags &= ~KEY_DIRTY;
443 for (i = 0; i <= key->last_subkey; i++) make_clean( key->subkeys[i] );
446 /* go through all the notifications and send them if necessary */
447 static void check_notify( struct key *key, unsigned int change, int not_subtree )
449 struct list *ptr, *next;
451 LIST_FOR_EACH_SAFE( ptr, next, &key->notify_list )
453 struct notify *n = LIST_ENTRY( ptr, struct notify, entry );
454 if ( ( not_subtree || n->subtree ) && ( change & n->filter ) )
455 do_notification( key, n, 0 );
459 /* update key modification time */
460 static void touch_key( struct key *key, unsigned int change )
464 key->modif = time(NULL);
467 /* do notifications */
468 check_notify( key, change, 1 );
469 for ( k = key->parent; k; k = k->parent )
470 check_notify( k, change & ~REG_NOTIFY_CHANGE_LAST_SET, 0 );
473 /* try to grow the array of subkeys; return 1 if OK, 0 on error */
474 static int grow_subkeys( struct key *key )
476 struct key **new_subkeys;
481 nb_subkeys = key->nb_subkeys + (key->nb_subkeys / 2); /* grow by 50% */
482 if (!(new_subkeys = realloc( key->subkeys, nb_subkeys * sizeof(*new_subkeys) )))
484 set_error( STATUS_NO_MEMORY );
490 nb_subkeys = MIN_VALUES;
491 if (!(new_subkeys = mem_alloc( nb_subkeys * sizeof(*new_subkeys) ))) return 0;
493 key->subkeys = new_subkeys;
494 key->nb_subkeys = nb_subkeys;
498 /* allocate a subkey for a given key, and return its index */
499 static struct key *alloc_subkey( struct key *parent, const struct unicode_str *name,
500 int index, time_t modif )
505 if (name->len > MAX_NAME_LEN * sizeof(WCHAR))
507 set_error( STATUS_NAME_TOO_LONG );
510 if (parent->last_subkey + 1 == parent->nb_subkeys)
512 /* need to grow the array */
513 if (!grow_subkeys( parent )) return NULL;
515 if ((key = alloc_key( name, modif )) != NULL)
517 key->parent = parent;
518 for (i = ++parent->last_subkey; i > index; i--)
519 parent->subkeys[i] = parent->subkeys[i-1];
520 parent->subkeys[index] = key;
525 /* free a subkey of a given key */
526 static void free_subkey( struct key *parent, int index )
531 assert( index >= 0 );
532 assert( index <= parent->last_subkey );
534 key = parent->subkeys[index];
535 for (i = index; i < parent->last_subkey; i++) parent->subkeys[i] = parent->subkeys[i + 1];
536 parent->last_subkey--;
537 key->flags |= KEY_DELETED;
539 release_object( key );
541 /* try to shrink the array */
542 nb_subkeys = parent->nb_subkeys;
543 if (nb_subkeys > MIN_SUBKEYS && parent->last_subkey < nb_subkeys / 2)
545 struct key **new_subkeys;
546 nb_subkeys -= nb_subkeys / 3; /* shrink by 33% */
547 if (nb_subkeys < MIN_SUBKEYS) nb_subkeys = MIN_SUBKEYS;
548 if (!(new_subkeys = realloc( parent->subkeys, nb_subkeys * sizeof(*new_subkeys) ))) return;
549 parent->subkeys = new_subkeys;
550 parent->nb_subkeys = nb_subkeys;
554 /* find the named child of a given key and return its index */
555 static struct key *find_subkey( const struct key *key, const struct unicode_str *name, int *index )
557 int i, min, max, res;
561 max = key->last_subkey;
565 len = min( key->subkeys[i]->namelen, name->len );
566 res = memicmpW( key->subkeys[i]->name, name->str, len / sizeof(WCHAR) );
567 if (!res) res = key->subkeys[i]->namelen - name->len;
571 return key->subkeys[i];
573 if (res > 0) max = i - 1;
576 *index = min; /* this is where we should insert it */
581 static struct key *open_key( struct key *key, const struct unicode_str *name )
584 struct unicode_str token;
587 if (!get_path_token( name, &token )) return NULL;
590 if (!(key = find_subkey( key, &token, &index )))
592 set_error( STATUS_OBJECT_NAME_NOT_FOUND );
595 get_path_token( name, &token );
598 if (debug_level > 1) dump_operation( key, NULL, "Open" );
599 if (key) grab_object( key );
603 /* create a subkey */
604 static struct key *create_key( struct key *key, const struct unicode_str *name,
605 const struct unicode_str *class, int flags, time_t modif, int *created )
609 struct unicode_str token;
611 if (key->flags & KEY_DELETED) /* we cannot create a subkey under a deleted key */
613 set_error( STATUS_KEY_DELETED );
616 if (!(flags & KEY_VOLATILE) && (key->flags & KEY_VOLATILE))
618 set_error( STATUS_CHILD_MUST_BE_VOLATILE );
621 if (!modif) modif = time(NULL);
624 if (!get_path_token( name, &token )) return NULL;
629 if (!(subkey = find_subkey( key, &token, &index ))) break;
631 get_path_token( name, &token );
634 /* create the remaining part */
636 if (!token.len) goto done;
638 if (flags & KEY_DIRTY) make_dirty( key );
639 if (!(key = alloc_subkey( key, &token, index, modif ))) return NULL;
644 get_path_token( name, &token );
645 if (!token.len) break;
646 /* we know the index is always 0 in a new key */
647 if (!(key = alloc_subkey( key, &token, 0, modif )))
649 free_subkey( base, index );
655 if (debug_level > 1) dump_operation( key, NULL, "Create" );
656 if (class && class->len)
658 key->classlen = class->len;
659 if (key->class) free(key->class);
660 if (!(key->class = memdup( class->str, key->classlen ))) key->classlen = 0;
666 /* query information about a key or a subkey */
667 static void enum_key( const struct key *key, int index, int info_class,
668 struct enum_key_reply *reply )
671 data_size_t len, namelen, classlen;
672 data_size_t max_subkey = 0, max_class = 0;
673 data_size_t max_value = 0, max_data = 0;
676 if (index != -1) /* -1 means use the specified key directly */
678 if ((index < 0) || (index > key->last_subkey))
680 set_error( STATUS_NO_MORE_ENTRIES );
683 key = key->subkeys[index];
686 namelen = key->namelen;
687 classlen = key->classlen;
691 case KeyBasicInformation:
692 classlen = 0; /* only return the name */
694 case KeyNodeInformation:
695 reply->max_subkey = 0;
696 reply->max_class = 0;
697 reply->max_value = 0;
700 case KeyFullInformation:
701 for (i = 0; i <= key->last_subkey; i++)
703 struct key *subkey = key->subkeys[i];
704 len = subkey->namelen / sizeof(WCHAR);
705 if (len > max_subkey) max_subkey = len;
706 len = subkey->classlen / sizeof(WCHAR);
707 if (len > max_class) max_class = len;
709 for (i = 0; i <= key->last_value; i++)
711 len = key->values[i].namelen / sizeof(WCHAR);
712 if (len > max_value) max_value = len;
713 len = key->values[i].len;
714 if (len > max_data) max_data = len;
716 reply->max_subkey = max_subkey;
717 reply->max_class = max_class;
718 reply->max_value = max_value;
719 reply->max_data = max_data;
720 namelen = 0; /* only return the class */
723 set_error( STATUS_INVALID_PARAMETER );
726 reply->subkeys = key->last_subkey + 1;
727 reply->values = key->last_value + 1;
728 reply->modif = key->modif;
729 reply->total = namelen + classlen;
731 len = min( reply->total, get_reply_max_size() );
732 if (len && (data = set_reply_data_size( len )))
736 reply->namelen = namelen;
737 memcpy( data, key->name, namelen );
738 memcpy( data + namelen, key->class, len - namelen );
742 reply->namelen = len;
743 memcpy( data, key->name, len );
746 if (debug_level > 1) dump_operation( key, NULL, "Enum" );
749 /* delete a key and its values */
750 static int delete_key( struct key *key, int recurse )
755 /* must find parent and index */
758 set_error( STATUS_ACCESS_DENIED );
761 if (!(parent = key->parent) || (key->flags & KEY_DELETED))
763 set_error( STATUS_KEY_DELETED );
767 while (recurse && (key->last_subkey>=0))
768 if (0 > delete_key(key->subkeys[key->last_subkey], 1))
771 for (index = 0; index <= parent->last_subkey; index++)
772 if (parent->subkeys[index] == key) break;
773 assert( index <= parent->last_subkey );
775 /* we can only delete a key that has no subkeys */
776 if (key->last_subkey >= 0)
778 set_error( STATUS_ACCESS_DENIED );
782 if (debug_level > 1) dump_operation( key, NULL, "Delete" );
783 free_subkey( parent, index );
784 touch_key( parent, REG_NOTIFY_CHANGE_NAME );
788 /* try to grow the array of values; return 1 if OK, 0 on error */
789 static int grow_values( struct key *key )
791 struct key_value *new_val;
796 nb_values = key->nb_values + (key->nb_values / 2); /* grow by 50% */
797 if (!(new_val = realloc( key->values, nb_values * sizeof(*new_val) )))
799 set_error( STATUS_NO_MEMORY );
805 nb_values = MIN_VALUES;
806 if (!(new_val = mem_alloc( nb_values * sizeof(*new_val) ))) return 0;
808 key->values = new_val;
809 key->nb_values = nb_values;
813 /* find the named value of a given key and return its index in the array */
814 static struct key_value *find_value( const struct key *key, const struct unicode_str *name, int *index )
816 int i, min, max, res;
820 max = key->last_value;
824 len = min( key->values[i].namelen, name->len );
825 res = memicmpW( key->values[i].name, name->str, len / sizeof(WCHAR) );
826 if (!res) res = key->values[i].namelen - name->len;
830 return &key->values[i];
832 if (res > 0) max = i - 1;
835 *index = min; /* this is where we should insert it */
839 /* insert a new value; the index must have been returned by find_value */
840 static struct key_value *insert_value( struct key *key, const struct unicode_str *name, int index )
842 struct key_value *value;
843 WCHAR *new_name = NULL;
846 if (name->len > MAX_VALUE_LEN * sizeof(WCHAR))
848 set_error( STATUS_NAME_TOO_LONG );
851 if (key->last_value + 1 == key->nb_values)
853 if (!grow_values( key )) return NULL;
855 if (name->len && !(new_name = memdup( name->str, name->len ))) return NULL;
856 for (i = ++key->last_value; i > index; i--) key->values[i] = key->values[i - 1];
857 value = &key->values[index];
858 value->name = new_name;
859 value->namelen = name->len;
865 /* set a key value */
866 static void set_value( struct key *key, const struct unicode_str *name,
867 int type, const void *data, data_size_t len )
869 struct key_value *value;
873 if ((value = find_value( key, name, &index )))
875 /* check if the new value is identical to the existing one */
876 if (value->type == type && value->len == len &&
877 value->data && !memcmp( value->data, data, len ))
879 if (debug_level > 1) dump_operation( key, value, "Skip setting" );
884 if (len && !(ptr = memdup( data, len ))) return;
888 if (!(value = insert_value( key, name, index )))
890 if (ptr) free( ptr );
894 else if (value->data) free( value->data ); /* already existing, free previous data */
899 touch_key( key, REG_NOTIFY_CHANGE_LAST_SET );
900 if (debug_level > 1) dump_operation( key, value, "Set" );
903 /* get a key value */
904 static void get_value( struct key *key, const struct unicode_str *name, int *type, data_size_t *len )
906 struct key_value *value;
909 if ((value = find_value( key, name, &index )))
913 if (value->data) set_reply_data( value->data, min( value->len, get_reply_max_size() ));
914 if (debug_level > 1) dump_operation( key, value, "Get" );
919 set_error( STATUS_OBJECT_NAME_NOT_FOUND );
923 /* enumerate a key value */
924 static void enum_value( struct key *key, int i, int info_class, struct enum_key_value_reply *reply )
926 struct key_value *value;
928 if (i < 0 || i > key->last_value) set_error( STATUS_NO_MORE_ENTRIES );
932 data_size_t namelen, maxlen;
934 value = &key->values[i];
935 reply->type = value->type;
936 namelen = value->namelen;
940 case KeyValueBasicInformation:
941 reply->total = namelen;
943 case KeyValueFullInformation:
944 reply->total = namelen + value->len;
946 case KeyValuePartialInformation:
947 reply->total = value->len;
951 set_error( STATUS_INVALID_PARAMETER );
955 maxlen = min( reply->total, get_reply_max_size() );
956 if (maxlen && ((data = set_reply_data_size( maxlen ))))
958 if (maxlen > namelen)
960 reply->namelen = namelen;
961 memcpy( data, value->name, namelen );
962 memcpy( (char *)data + namelen, value->data, maxlen - namelen );
966 reply->namelen = maxlen;
967 memcpy( data, value->name, maxlen );
970 if (debug_level > 1) dump_operation( key, value, "Enum" );
975 static void delete_value( struct key *key, const struct unicode_str *name )
977 struct key_value *value;
978 int i, index, nb_values;
980 if (!(value = find_value( key, name, &index )))
982 set_error( STATUS_OBJECT_NAME_NOT_FOUND );
985 if (debug_level > 1) dump_operation( key, value, "Delete" );
986 if (value->name) free( value->name );
987 if (value->data) free( value->data );
988 for (i = index; i < key->last_value; i++) key->values[i] = key->values[i + 1];
990 touch_key( key, REG_NOTIFY_CHANGE_LAST_SET );
992 /* try to shrink the array */
993 nb_values = key->nb_values;
994 if (nb_values > MIN_VALUES && key->last_value < nb_values / 2)
996 struct key_value *new_val;
997 nb_values -= nb_values / 3; /* shrink by 33% */
998 if (nb_values < MIN_VALUES) nb_values = MIN_VALUES;
999 if (!(new_val = realloc( key->values, nb_values * sizeof(*new_val) ))) return;
1000 key->values = new_val;
1001 key->nb_values = nb_values;
1005 /* get the registry key corresponding to an hkey handle */
1006 static inline struct key *get_hkey_obj( obj_handle_t hkey, unsigned int access )
1008 return (struct key *)get_handle_obj( current->process, hkey, access, &key_ops );
1011 /* get the registry key corresponding to a parent key handle */
1012 static inline struct key *get_parent_hkey_obj( obj_handle_t hkey )
1014 if (!hkey) return (struct key *)grab_object( root_key );
1015 return (struct key *)get_handle_obj( current->process, hkey, 0, &key_ops );
1018 /* read a line from the input file */
1019 static int read_next_line( struct file_load_info *info )
1022 int newlen, pos = 0;
1027 if (!fgets( info->buffer + pos, info->len - pos, info->file ))
1028 return (pos != 0); /* EOF */
1029 pos = strlen(info->buffer);
1030 if (info->buffer[pos-1] == '\n')
1032 /* got a full line */
1033 info->buffer[--pos] = 0;
1034 if (pos > 0 && info->buffer[pos-1] == '\r') info->buffer[pos-1] = 0;
1037 if (pos < info->len - 1) return 1; /* EOF but something was read */
1039 /* need to enlarge the buffer */
1040 newlen = info->len + info->len / 2;
1041 if (!(newbuf = realloc( info->buffer, newlen )))
1043 set_error( STATUS_NO_MEMORY );
1046 info->buffer = newbuf;
1051 /* make sure the temp buffer holds enough space */
1052 static int get_file_tmp_space( struct file_load_info *info, size_t size )
1055 if (info->tmplen >= size) return 1;
1056 if (!(tmp = realloc( info->tmp, size )))
1058 set_error( STATUS_NO_MEMORY );
1062 info->tmplen = size;
1066 /* report an error while loading an input file */
1067 static void file_read_error( const char *err, struct file_load_info *info )
1070 fprintf( stderr, "%s:%d: %s '%s'\n", info->filename, info->line, err, info->buffer );
1072 fprintf( stderr, "<fd>:%d: %s '%s'\n", info->line, err, info->buffer );
1075 /* parse an escaped string back into Unicode */
1076 /* return the number of chars read from the input, or -1 on output overflow */
1077 static int parse_strW( WCHAR *dest, data_size_t *len, const char *src, char endchar )
1079 data_size_t count = sizeof(WCHAR); /* for terminating null */
1080 const char *p = src;
1081 while (*p && *p != endchar)
1083 if (*p != '\\') *dest = (WCHAR)*p++;
1089 case 'a': *dest = '\a'; p++; break;
1090 case 'b': *dest = '\b'; p++; break;
1091 case 'e': *dest = '\e'; p++; break;
1092 case 'f': *dest = '\f'; p++; break;
1093 case 'n': *dest = '\n'; p++; break;
1094 case 'r': *dest = '\r'; p++; break;
1095 case 't': *dest = '\t'; p++; break;
1096 case 'v': *dest = '\v'; p++; break;
1097 case 'x': /* hex escape */
1099 if (!isxdigit(*p)) *dest = 'x';
1102 *dest = to_hex(*p++);
1103 if (isxdigit(*p)) *dest = (*dest * 16) + to_hex(*p++);
1104 if (isxdigit(*p)) *dest = (*dest * 16) + to_hex(*p++);
1105 if (isxdigit(*p)) *dest = (*dest * 16) + to_hex(*p++);
1115 case '7': /* octal escape */
1117 if (*p >= '0' && *p <= '7') *dest = (*dest * 8) + (*p++ - '0');
1118 if (*p >= '0' && *p <= '7') *dest = (*dest * 8) + (*p++ - '0');
1121 *dest = (WCHAR)*p++;
1125 if ((count += sizeof(WCHAR)) > *len) return -1; /* dest buffer overflow */
1129 if (!*p) return -1; /* delimiter not found */
1134 /* convert a data type tag to a value type */
1135 static int get_data_type( const char *buffer, int *type, int *parse_type )
1137 struct data_type { const char *tag; int len; int type; int parse_type; };
1139 static const struct data_type data_types[] =
1140 { /* actual type */ /* type to assume for parsing */
1141 { "\"", 1, REG_SZ, REG_SZ },
1142 { "str:\"", 5, REG_SZ, REG_SZ },
1143 { "str(2):\"", 8, REG_EXPAND_SZ, REG_SZ },
1144 { "str(7):\"", 8, REG_MULTI_SZ, REG_SZ },
1145 { "hex:", 4, REG_BINARY, REG_BINARY },
1146 { "dword:", 6, REG_DWORD, REG_DWORD },
1147 { "hex(", 4, -1, REG_BINARY },
1151 const struct data_type *ptr;
1154 for (ptr = data_types; ptr->tag; ptr++)
1156 if (memcmp( ptr->tag, buffer, ptr->len )) continue;
1157 *parse_type = ptr->parse_type;
1158 if ((*type = ptr->type) != -1) return ptr->len;
1159 /* "hex(xx):" is special */
1160 *type = (int)strtoul( buffer + 4, &end, 16 );
1161 if ((end <= buffer) || memcmp( end, "):", 2 )) return 0;
1162 return end + 2 - buffer;
1167 /* load and create a key from the input file */
1168 static struct key *load_key( struct key *base, const char *buffer, int flags,
1169 int prefix_len, struct file_load_info *info,
1173 struct unicode_str name;
1175 data_size_t len = strlen(buffer) * sizeof(WCHAR);
1177 if (!get_file_tmp_space( info, len )) return NULL;
1179 if ((res = parse_strW( info->tmp, &len, buffer, ']' )) == -1)
1181 file_read_error( "Malformed key", info );
1184 if (sscanf( buffer + res, " %d", &modif ) != 1) modif = default_modif;
1187 while (prefix_len && *p) { if (*p++ == '\\') prefix_len--; }
1193 file_read_error( "Malformed key", info );
1196 /* empty key name, return base key */
1197 return (struct key *)grab_object( base );
1200 name.len = len - (p - info->tmp + 1) * sizeof(WCHAR);
1201 return create_key( base, &name, NULL, flags, modif, &res );
1204 /* parse a comma-separated list of hex digits */
1205 static int parse_hex( unsigned char *dest, data_size_t *len, const char *buffer )
1207 const char *p = buffer;
1208 data_size_t count = 0;
1209 while (isxdigit(*p))
1213 memcpy( buf, p, 2 );
1215 sscanf( buf, "%x", &val );
1216 if (count++ >= *len) return -1; /* dest buffer overflow */
1217 *dest++ = (unsigned char )val;
1225 /* parse a value name and create the corresponding value */
1226 static struct key_value *parse_value_name( struct key *key, const char *buffer, data_size_t *len,
1227 struct file_load_info *info )
1229 struct key_value *value;
1230 struct unicode_str name;
1232 data_size_t maxlen = strlen(buffer) * sizeof(WCHAR);
1234 if (!get_file_tmp_space( info, maxlen )) return NULL;
1235 name.str = info->tmp;
1236 if (buffer[0] == '@')
1243 int r = parse_strW( info->tmp, &maxlen, buffer + 1, '\"' );
1244 if (r == -1) goto error;
1245 *len = r + 1; /* for initial quote */
1246 name.len = maxlen - sizeof(WCHAR);
1248 while (isspace(buffer[*len])) (*len)++;
1249 if (buffer[*len] != '=') goto error;
1251 while (isspace(buffer[*len])) (*len)++;
1252 if (!(value = find_value( key, &name, &index ))) value = insert_value( key, &name, index );
1256 file_read_error( "Malformed value name", info );
1260 /* load a value from the input file */
1261 static int load_value( struct key *key, const char *buffer, struct file_load_info *info )
1265 int res, type, parse_type;
1266 data_size_t maxlen, len;
1267 struct key_value *value;
1269 if (!(value = parse_value_name( key, buffer, &len, info ))) return 0;
1270 if (!(res = get_data_type( buffer + len, &type, &parse_type ))) goto error;
1271 buffer += len + res;
1276 len = strlen(buffer) * sizeof(WCHAR);
1277 if (!get_file_tmp_space( info, len )) return 0;
1278 if ((res = parse_strW( info->tmp, &len, buffer, '\"' )) == -1) goto error;
1282 dw = strtoul( buffer, NULL, 16 );
1286 case REG_BINARY: /* hex digits */
1290 maxlen = 1 + strlen(buffer)/3; /* 3 chars for one hex byte */
1291 if (!get_file_tmp_space( info, len + maxlen )) return 0;
1292 if ((res = parse_hex( (unsigned char *)info->tmp + len, &maxlen, buffer )) == -1) goto error;
1295 while (isspace(*buffer)) buffer++;
1296 if (!*buffer) break;
1297 if (*buffer != '\\') goto error;
1298 if (read_next_line( info) != 1) goto error;
1299 buffer = info->buffer;
1300 while (isspace(*buffer)) buffer++;
1306 ptr = NULL; /* keep compiler quiet */
1310 if (!len) newptr = NULL;
1311 else if (!(newptr = memdup( ptr, len ))) return 0;
1313 if (value->data) free( value->data );
1314 value->data = newptr;
1321 file_read_error( "Malformed value", info );
1325 /* return the length (in path elements) of name that is part of the key name */
1326 /* for instance if key is USER\foo\bar and name is foo\bar\baz, return 2 */
1327 static int get_prefix_len( struct key *key, const char *name, struct file_load_info *info )
1331 data_size_t len = strlen(name) * sizeof(WCHAR);
1333 if (!get_file_tmp_space( info, len )) return 0;
1335 if ((res = parse_strW( info->tmp, &len, name, ']' )) == -1)
1337 file_read_error( "Malformed key", info );
1340 for (p = info->tmp; *p; p++) if (*p == '\\') break;
1341 len = (p - info->tmp) * sizeof(WCHAR);
1342 for (res = 1; key != root_key; res++)
1344 if (len == key->namelen && !memicmpW( info->tmp, key->name, len / sizeof(WCHAR) )) break;
1347 if (key == root_key) res = 0; /* no matching name */
1351 /* load all the keys from the input file */
1352 /* prefix_len is the number of key name prefixes to skip, or -1 for autodetection */
1353 static void load_keys( struct key *key, const char *filename, FILE *f, int prefix_len )
1355 struct key *subkey = NULL;
1356 struct file_load_info info;
1358 int default_modif = time(NULL);
1359 int flags = (key->flags & KEY_VOLATILE) ? KEY_VOLATILE : KEY_DIRTY;
1361 info.filename = filename;
1366 if (!(info.buffer = mem_alloc( info.len ))) return;
1367 if (!(info.tmp = mem_alloc( info.tmplen )))
1369 free( info.buffer );
1373 if ((read_next_line( &info ) != 1) ||
1374 strcmp( info.buffer, "WINE REGISTRY Version 2" ))
1376 set_error( STATUS_NOT_REGISTRY_FILE );
1380 while (read_next_line( &info ) == 1)
1383 while (*p && isspace(*p)) p++;
1386 case '[': /* new key */
1387 if (subkey) release_object( subkey );
1388 if (prefix_len == -1) prefix_len = get_prefix_len( key, p + 1, &info );
1389 if (!(subkey = load_key( key, p + 1, flags, prefix_len, &info, default_modif )))
1390 file_read_error( "Error creating key", &info );
1392 case '@': /* default value */
1393 case '\"': /* value */
1394 if (subkey) load_value( subkey, p, &info );
1395 else file_read_error( "Value without key", &info );
1397 case '#': /* comment */
1398 case ';': /* comment */
1399 case 0: /* empty line */
1402 file_read_error( "Unrecognized input", &info );
1408 if (subkey) release_object( subkey );
1409 free( info.buffer );
1413 /* load a part of the registry from a file */
1414 static void load_registry( struct key *key, obj_handle_t handle )
1419 if (!(file = get_file_obj( current->process, handle, FILE_READ_DATA ))) return;
1420 fd = dup( get_file_unix_fd( file ) );
1421 release_object( file );
1424 FILE *f = fdopen( fd, "r" );
1427 load_keys( key, NULL, f, -1 );
1430 else file_set_error();
1434 /* load one of the initial registry files */
1435 static void load_init_registry_from_file( const char *filename, struct key *key )
1439 if ((f = fopen( filename, "r" )))
1441 load_keys( key, filename, f, 0 );
1443 if (get_error() == STATUS_NOT_REGISTRY_FILE)
1445 fprintf( stderr, "%s is not a valid registry file\n", filename );
1450 assert( save_branch_count < MAX_SAVE_BRANCH_INFO );
1452 if ((save_branch_info[save_branch_count].path = strdup( filename )))
1454 save_branch_info[save_branch_count++].key = (struct key *)grab_object( key );
1455 make_object_static( &key->obj );
1459 static WCHAR *format_user_registry_path( const SID *sid, struct unicode_str *path )
1461 static const WCHAR prefixW[] = {'U','s','e','r','\\','S',0};
1462 static const WCHAR formatW[] = {'-','%','u',0};
1463 WCHAR buffer[7 + 10 + 10 + 10 * SID_MAX_SUB_AUTHORITIES];
1467 strcpyW( p, prefixW );
1468 p += strlenW( prefixW );
1469 p += sprintfW( p, formatW, sid->Revision );
1470 p += sprintfW( p, formatW, MAKELONG( MAKEWORD( sid->IdentifierAuthority.Value[5],
1471 sid->IdentifierAuthority.Value[4] ),
1472 MAKEWORD( sid->IdentifierAuthority.Value[3],
1473 sid->IdentifierAuthority.Value[2] )));
1474 for (i = 0; i < sid->SubAuthorityCount; i++)
1475 p += sprintfW( p, formatW, sid->SubAuthority[i] );
1477 path->len = (p - buffer) * sizeof(WCHAR);
1478 path->str = p = memdup( buffer, path->len );
1482 /* registry initialisation */
1483 void init_registry(void)
1485 static const WCHAR HKLM[] = { 'M','a','c','h','i','n','e' };
1486 static const WCHAR HKU_default[] = { 'U','s','e','r','\\','.','D','e','f','a','u','l','t' };
1487 static const struct unicode_str root_name = { NULL, 0 };
1488 static const struct unicode_str HKLM_name = { HKLM, sizeof(HKLM) };
1489 static const struct unicode_str HKU_name = { HKU_default, sizeof(HKU_default) };
1491 WCHAR *current_user_path;
1492 struct unicode_str current_user_str;
1494 const char *config = wine_get_config_dir();
1499 /* create the root key */
1500 root_key = alloc_key( &root_name, time(NULL) );
1502 make_object_static( &root_key->obj );
1504 if (!(filename = malloc( strlen(config) + 16 ))) fatal_error( "out of memory\n" );
1505 strcpy( filename, config );
1506 p = filename + strlen(filename);
1508 /* load system.reg into Registry\Machine */
1510 if (!(key = create_key( root_key, &HKLM_name, NULL, 0, time(NULL), &dummy )))
1511 fatal_error( "could not create Machine registry key\n" );
1513 strcpy( p, "/system.reg" );
1514 load_init_registry_from_file( filename, key );
1515 release_object( key );
1517 /* load userdef.reg into Registry\User\.Default */
1519 if (!(key = create_key( root_key, &HKU_name, NULL, 0, time(NULL), &dummy )))
1520 fatal_error( "could not create User\\.Default registry key\n" );
1522 strcpy( p, "/userdef.reg" );
1523 load_init_registry_from_file( filename, key );
1524 release_object( key );
1526 /* load user.reg into HKEY_CURRENT_USER */
1528 /* FIXME: match default user in token.c. should get from process token instead */
1529 current_user_path = format_user_registry_path( security_interactive_sid, ¤t_user_str );
1530 if (!current_user_path ||
1531 !(key = create_key( root_key, ¤t_user_str, NULL, 0, time(NULL), &dummy )))
1532 fatal_error( "could not create HKEY_CURRENT_USER registry key\n" );
1533 free( current_user_path );
1534 strcpy( p, "/user.reg" );
1535 load_init_registry_from_file( filename, key );
1536 release_object( key );
1540 /* start the periodic save timer */
1541 set_periodic_save_timer();
1544 /* save a registry branch to a file */
1545 static void save_all_subkeys( struct key *key, FILE *f )
1547 fprintf( f, "WINE REGISTRY Version 2\n" );
1548 fprintf( f, ";; All keys relative to " );
1549 dump_path( key, NULL, f );
1551 save_subkeys( key, key, f );
1554 /* save a registry branch to a file handle */
1555 static void save_registry( struct key *key, obj_handle_t handle )
1560 if (key->flags & KEY_DELETED)
1562 set_error( STATUS_KEY_DELETED );
1565 if (!(file = get_file_obj( current->process, handle, FILE_WRITE_DATA ))) return;
1566 fd = dup( get_file_unix_fd( file ) );
1567 release_object( file );
1570 FILE *f = fdopen( fd, "w" );
1573 save_all_subkeys( key, f );
1574 if (fclose( f )) file_set_error();
1584 /* save a registry branch to a file */
1585 static int save_branch( struct key *key, const char *path )
1588 char *p, *real, *tmp = NULL;
1589 int fd, count = 0, ret = 0, by_symlink;
1592 if (!(key->flags & KEY_DIRTY))
1594 if (debug_level > 1) dump_operation( key, NULL, "Not saving clean" );
1598 /* get the real path */
1600 by_symlink = (!lstat(path, &st) && S_ISLNK (st.st_mode));
1601 if (!(real = malloc( PATH_MAX ))) return 0;
1602 if (!realpath( path, real ))
1609 /* test the file type */
1611 if ((fd = open( path, O_WRONLY )) != -1)
1613 /* if file is not a regular file or has multiple links or is accessed
1614 * via symbolic links, write directly into it; otherwise use a temp file */
1616 (!fstat( fd, &st ) && (!S_ISREG(st.st_mode) || st.st_nlink > 1)))
1624 /* create a temp file in the same directory */
1626 if (!(tmp = malloc( strlen(path) + 20 ))) goto done;
1627 strcpy( tmp, path );
1628 if ((p = strrchr( tmp, '/' ))) p++;
1632 sprintf( p, "reg%lx%04x.tmp", (long) getpid(), count++ );
1633 if ((fd = open( tmp, O_CREAT | O_EXCL | O_WRONLY, 0666 )) != -1) break;
1634 if (errno != EEXIST) goto done;
1638 /* now save to it */
1641 if (!(f = fdopen( fd, "w" )))
1643 if (tmp) unlink( tmp );
1648 if (debug_level > 1)
1650 fprintf( stderr, "%s: ", path );
1651 dump_operation( key, NULL, "saving" );
1654 save_all_subkeys( key, f );
1659 /* if successfully written, rename to final name */
1660 if (ret) ret = !rename( tmp, path );
1661 if (!ret) unlink( tmp );
1667 if (ret) make_clean( key );
1671 /* periodic saving of the registry */
1672 static void periodic_save( void *arg )
1676 save_timeout_user = NULL;
1677 for (i = 0; i < save_branch_count; i++)
1678 save_branch( save_branch_info[i].key, save_branch_info[i].path );
1679 set_periodic_save_timer();
1682 /* start the periodic save timer */
1683 static void set_periodic_save_timer(void)
1685 struct timeval next = current_time;
1687 add_timeout( &next, save_period );
1688 if (save_timeout_user) remove_timeout_user( save_timeout_user );
1689 save_timeout_user = add_timeout_user( &next, periodic_save, NULL );
1692 /* save the modified registry branches to disk */
1693 void flush_registry(void)
1697 for (i = 0; i < save_branch_count; i++)
1699 if (!save_branch( save_branch_info[i].key, save_branch_info[i].path ))
1701 fprintf( stderr, "wineserver: could not save registry branch to %s",
1702 save_branch_info[i].path );
1709 /* create a registry key */
1710 DECL_HANDLER(create_key)
1712 struct key *key = NULL, *parent;
1713 struct unicode_str name, class;
1714 unsigned int access = req->access;
1716 if (access & MAXIMUM_ALLOWED) access = KEY_ALL_ACCESS; /* FIXME: needs general solution */
1719 if (req->namelen > get_req_data_size())
1721 set_error( STATUS_INVALID_PARAMETER );
1724 class.str = (const WCHAR *)get_req_data() + req->namelen / sizeof(WCHAR);
1725 class.len = ((get_req_data_size() - req->namelen) / sizeof(WCHAR)) * sizeof(WCHAR);
1726 get_req_path( &name, !req->parent );
1727 if (name.str > class.str)
1729 set_error( STATUS_INVALID_PARAMETER );
1732 name.len = (class.str - name.str) * sizeof(WCHAR);
1734 /* NOTE: no access rights are required from the parent handle to create a key */
1735 if ((parent = get_parent_hkey_obj( req->parent )))
1737 int flags = (req->options & REG_OPTION_VOLATILE) ? KEY_VOLATILE : KEY_DIRTY;
1739 if ((key = create_key( parent, &name, &class, flags, req->modif, &reply->created )))
1741 reply->hkey = alloc_handle( current->process, key, access, req->attributes );
1742 release_object( key );
1744 release_object( parent );
1748 /* open a registry key */
1749 DECL_HANDLER(open_key)
1751 struct key *key, *parent;
1752 struct unicode_str name;
1753 unsigned int access = req->access;
1755 if (access & MAXIMUM_ALLOWED) access = KEY_ALL_ACCESS; /* FIXME: needs general solution */
1757 /* NOTE: no access rights are required to open the parent key, only the child key */
1758 if ((parent = get_parent_hkey_obj( req->parent )))
1760 get_req_path( &name, !req->parent );
1761 if ((key = open_key( parent, &name )))
1763 reply->hkey = alloc_handle( current->process, key, access, req->attributes );
1764 release_object( key );
1766 release_object( parent );
1770 /* delete a registry key */
1771 DECL_HANDLER(delete_key)
1775 if ((key = get_hkey_obj( req->hkey, DELETE )))
1777 delete_key( key, 0);
1778 release_object( key );
1782 /* flush a registry key */
1783 DECL_HANDLER(flush_key)
1785 struct key *key = get_hkey_obj( req->hkey, 0 );
1788 /* we don't need to do anything here with the current implementation */
1789 release_object( key );
1793 /* enumerate registry subkeys */
1794 DECL_HANDLER(enum_key)
1798 if ((key = get_hkey_obj( req->hkey,
1799 req->index == -1 ? KEY_QUERY_VALUE : KEY_ENUMERATE_SUB_KEYS )))
1801 enum_key( key, req->index, req->info_class, reply );
1802 release_object( key );
1806 /* set a value of a registry key */
1807 DECL_HANDLER(set_key_value)
1810 struct unicode_str name;
1812 if (req->namelen > get_req_data_size())
1814 set_error( STATUS_INVALID_PARAMETER );
1817 name.str = get_req_data();
1818 name.len = (req->namelen / sizeof(WCHAR)) * sizeof(WCHAR);
1820 if ((key = get_hkey_obj( req->hkey, KEY_SET_VALUE )))
1822 data_size_t datalen = get_req_data_size() - req->namelen;
1823 const char *data = (const char *)get_req_data() + req->namelen;
1825 set_value( key, &name, req->type, data, datalen );
1826 release_object( key );
1830 /* retrieve the value of a registry key */
1831 DECL_HANDLER(get_key_value)
1834 struct unicode_str name;
1837 if ((key = get_hkey_obj( req->hkey, KEY_QUERY_VALUE )))
1839 get_req_unicode_str( &name );
1840 get_value( key, &name, &reply->type, &reply->total );
1841 release_object( key );
1845 /* enumerate the value of a registry key */
1846 DECL_HANDLER(enum_key_value)
1850 if ((key = get_hkey_obj( req->hkey, KEY_QUERY_VALUE )))
1852 enum_value( key, req->index, req->info_class, reply );
1853 release_object( key );
1857 /* delete a value of a registry key */
1858 DECL_HANDLER(delete_key_value)
1861 struct unicode_str name;
1863 if ((key = get_hkey_obj( req->hkey, KEY_SET_VALUE )))
1865 get_req_unicode_str( &name );
1866 delete_value( key, &name );
1867 release_object( key );
1871 /* load a registry branch from a file */
1872 DECL_HANDLER(load_registry)
1874 struct key *key, *parent;
1875 struct token *token = thread_get_impersonation_token( current );
1876 struct unicode_str name;
1878 const LUID_AND_ATTRIBUTES privs[] =
1880 { SeBackupPrivilege, 0 },
1881 { SeRestorePrivilege, 0 },
1884 if (!token || !token_check_privileges( token, TRUE, privs,
1885 sizeof(privs)/sizeof(privs[0]), NULL ))
1887 set_error( STATUS_PRIVILEGE_NOT_HELD );
1891 if ((parent = get_parent_hkey_obj( req->hkey )))
1894 get_req_path( &name, !req->hkey );
1895 if ((key = create_key( parent, &name, NULL, KEY_DIRTY, time(NULL), &dummy )))
1897 load_registry( key, req->file );
1898 release_object( key );
1900 release_object( parent );
1904 DECL_HANDLER(unload_registry)
1907 struct token *token = thread_get_impersonation_token( current );
1909 const LUID_AND_ATTRIBUTES privs[] =
1911 { SeBackupPrivilege, 0 },
1912 { SeRestorePrivilege, 0 },
1915 if (!token || !token_check_privileges( token, TRUE, privs,
1916 sizeof(privs)/sizeof(privs[0]), NULL ))
1918 set_error( STATUS_PRIVILEGE_NOT_HELD );
1922 if ((key = get_hkey_obj( req->hkey, 0 )))
1924 delete_key( key, 1 ); /* FIXME */
1925 release_object( key );
1929 /* save a registry branch to a file */
1930 DECL_HANDLER(save_registry)
1934 if (!thread_single_check_privilege( current, &SeBackupPrivilege ))
1936 set_error( STATUS_PRIVILEGE_NOT_HELD );
1940 if ((key = get_hkey_obj( req->hkey, 0 )))
1942 save_registry( key, req->file );
1943 release_object( key );
1947 /* add a registry key change notification */
1948 DECL_HANDLER(set_registry_notification)
1951 struct event *event;
1952 struct notify *notify;
1954 key = get_hkey_obj( req->hkey, KEY_NOTIFY );
1957 event = get_event_obj( current->process, req->event, SYNCHRONIZE );
1960 notify = find_notify( key, current->process, req->hkey );
1964 release_object( notify->event );
1965 grab_object( event );
1966 notify->event = event;
1970 notify = mem_alloc( sizeof(*notify) );
1973 grab_object( event );
1974 notify->event = event;
1975 notify->subtree = req->subtree;
1976 notify->filter = req->filter;
1977 notify->hkey = req->hkey;
1978 notify->process = current->process;
1979 list_add_head( &key->notify_list, ¬ify->entry );
1982 release_object( event );
1984 release_object( key );