1 /* hivex - Windows Registry "hive" extraction library.
2 * Copyright (C) 2009 Red Hat Inc.
3 * Derived from code by Petter Nordahl-Hagen under a compatible license:
4 * Copyright (c) 1997-2007 Petter Nordahl-Hagen.
5 * Derived from code by Markus Stephany under a compatible license:
6 * Copyright (c)2000-2004, Markus Stephany.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation;
11 * version 2.1 of the License.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * See file LICENSE for the full license.
28 /* NOTE: This API is documented in the man page hivex(3). */
30 typedef struct hive_h hive_h;
31 typedef size_t hive_node_h;
32 typedef size_t hive_value_h;
35 /* Just a key without a value. */
38 /* A UTF-16 Windows string. */
41 /* A UTF-16 Windows string that contains %env% (environment variable
44 hive_t_expand_string = 2,
46 /* A blob of binary. */
49 /* Two ways to encode DWORDs (32 bit words). The first is little-endian. */
53 /* Symbolic link, we think to another part of the registry tree. */
56 /* Multiple UTF-16 Windows strings, each separated by zero byte. See:
57 * http://blogs.msdn.com/oldnewthing/archive/2009/10/08/9904646.aspx
59 hive_t_multiple_strings = 7,
61 /* These three are unknown. */
62 hive_t_resource_list = 8,
63 hive_t_full_resource_description = 9,
64 hive_t_resource_requirements_list = 10,
66 /* A QWORD (64 bit word). This is stored in the file little-endian. */
70 typedef enum hive_type hive_type;
72 /* Bitmask of flags passed to hivex_open. */
73 #define HIVEX_OPEN_VERBOSE 1
74 #define HIVEX_OPEN_DEBUG 2
75 #define HIVEX_OPEN_MSGLVL_MASK (HIVEX_OPEN_VERBOSE|HIVEX_OPEN_DEBUG)
76 #define HIVEX_OPEN_WRITE 4
78 extern hive_h *hivex_open (const char *filename, int flags);
79 extern int hivex_close (hive_h *h);
80 extern hive_node_h hivex_root (hive_h *h);
81 extern char *hivex_node_name (hive_h *h, hive_node_h node);
82 extern hive_node_h *hivex_node_children (hive_h *h, hive_node_h node);
83 extern hive_node_h hivex_node_get_child (hive_h *h, hive_node_h node, const char *name);
84 extern hive_node_h hivex_node_parent (hive_h *h, hive_node_h node);
85 extern hive_value_h *hivex_node_values (hive_h *h, hive_node_h node);
86 extern hive_value_h hivex_node_get_value (hive_h *h, hive_node_h node, const char *key);
87 extern char *hivex_value_key (hive_h *h, hive_value_h value);
88 extern int hivex_value_type (hive_h *h, hive_value_h value, hive_type *t, size_t *len);
89 extern char *hivex_value_value (hive_h *h, hive_value_h value, hive_type *t, size_t *len);
90 extern char *hivex_value_string (hive_h *h, hive_value_h value);
91 extern char **hivex_value_multiple_strings (hive_h *h, hive_value_h value);
92 extern int32_t hivex_value_dword (hive_h *h, hive_value_h value);
93 extern int64_t hivex_value_qword (hive_h *h, hive_value_h value);
94 struct hivex_visitor {
95 int (*node_start) (hive_h *, void *opaque, hive_node_h, const char *name);
96 int (*node_end) (hive_h *, void *opaque, hive_node_h, const char *name);
97 int (*value_string) (hive_h *, void *opaque, hive_node_h, hive_value_h, hive_type t, size_t len, const char *key, const char *str);
98 int (*value_multiple_strings) (hive_h *, void *opaque, hive_node_h, hive_value_h, hive_type t, size_t len, const char *key, char **argv);
99 int (*value_string_invalid_utf16) (hive_h *, void *opaque, hive_node_h, hive_value_h, hive_type t, size_t len, const char *key, const char *str);
100 int (*value_dword) (hive_h *, void *opaque, hive_node_h, hive_value_h, hive_type t, size_t len, const char *key, int32_t);
101 int (*value_qword) (hive_h *, void *opaque, hive_node_h, hive_value_h, hive_type t, size_t len, const char *key, int64_t);
102 int (*value_binary) (hive_h *, void *opaque, hive_node_h, hive_value_h, hive_type t, size_t len, const char *key, const char *value);
103 int (*value_none) (hive_h *, void *opaque, hive_node_h, hive_value_h, hive_type t, size_t len, const char *key, const char *value);
104 int (*value_other) (hive_h *, void *opaque, hive_node_h, hive_value_h, hive_type t, size_t len, const char *key, const char *value);
105 int (*value_any) (hive_h *, void *opaque, hive_node_h, hive_value_h, hive_type t, size_t len, const char *key, const char *value);
108 #define HIVEX_VISIT_SKIP_BAD 1
110 extern int hivex_visit (hive_h *h, const struct hivex_visitor *visitor, size_t len, void *opaque, int flags);
111 extern int hivex_visit_node (hive_h *h, hive_node_h node, const struct hivex_visitor *visitor, size_t len, void *opaque, int flags);
113 extern int hivex_commit (hive_h *h, const char *filename, int flags);
114 extern hive_node_h hivex_node_add_child (hive_h *h, hive_node_h parent, const char *name);
115 extern int hivex_node_delete_child (hive_h *h, hive_node_h node);
117 struct hive_set_value {
123 typedef struct hive_set_value hive_set_value;
125 extern int hivex_node_set_values (hive_h *h, hive_node_h node, size_t nr_values, const hive_set_value *values, int flags);
131 #endif /* HIVEX_H_ */