source: trunk/server/source3/registry/reg_api_util.c

Last change on this file was 745, checked in by Silvan Scherrer, 13 years ago

Samba Server: updated trunk to 3.6.0
File size: 4.1 KB
Line 
1/*
2 * Unix SMB/CIFS implementation.
3 * Virtual Windows Registry Layer
4 * Copyright (C) Volker Lendecke 2006
5 * Copyright (C) Michael Adam 2007-2010
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21/*
22 * Higher level utility functions on top of reg_api.c
23 */
24
25#include "includes.h"
26#include "registry.h"
27#include "reg_api.h"
28#include "reg_api_util.h"
29
30/**
31 * Utility function to open a complete registry path including the hive prefix.
32 */
33WERROR reg_open_path(TALLOC_CTX *mem_ctx, const char *orig_path,
34 uint32 desired_access, const struct security_token *token,
35 struct registry_key **pkey)
36{
37 struct registry_key *hive, *key;
38 char *path, *p;
39 WERROR err;
40
41 if (!(path = SMB_STRDUP(orig_path))) {
42 return WERR_NOMEM;
43 }
44
45 p = strchr(path, '\\');
46
47 if ((p == NULL) || (p[1] == '\0')) {
48 /*
49 * No key behind the hive, just return the hive
50 */
51
52 err = reg_openhive(mem_ctx, path, desired_access, token,
53 &hive);
54 if (!W_ERROR_IS_OK(err)) {
55 SAFE_FREE(path);
56 return err;
57 }
58 SAFE_FREE(path);
59 *pkey = hive;
60 return WERR_OK;
61 }
62
63 *p = '\0';
64
65 err = reg_openhive(mem_ctx, path, KEY_ENUMERATE_SUB_KEYS, token,
66 &hive);
67 if (!W_ERROR_IS_OK(err)) {
68 SAFE_FREE(path);
69 return err;
70 }
71
72 err = reg_openkey(mem_ctx, hive, p+1, desired_access, &key);
73
74 TALLOC_FREE(hive);
75 SAFE_FREE(path);
76
77 if (!W_ERROR_IS_OK(err)) {
78 return err;
79 }
80
81 *pkey = key;
82 return WERR_OK;
83}
84
85#if 0
86/* these two functions are unused. */
87
88/**
89 * Utility function to create a registry key without opening the hive
90 * before. Assumes the hive already exists.
91 */
92
93WERROR reg_create_path(TALLOC_CTX *mem_ctx, const char *orig_path,
94 uint32 desired_access,
95 const struct security_token *token,
96 enum winreg_CreateAction *paction,
97 struct registry_key **pkey)
98{
99 struct registry_key *hive;
100 char *path, *p;
101 WERROR err;
102
103 if (!(path = SMB_STRDUP(orig_path))) {
104 return WERR_NOMEM;
105 }
106
107 p = strchr(path, '\\');
108
109 if ((p == NULL) || (p[1] == '\0')) {
110 /*
111 * No key behind the hive, just return the hive
112 */
113
114 err = reg_openhive(mem_ctx, path, desired_access, token,
115 &hive);
116 if (!W_ERROR_IS_OK(err)) {
117 SAFE_FREE(path);
118 return err;
119 }
120 SAFE_FREE(path);
121 *pkey = hive;
122 *paction = REG_OPENED_EXISTING_KEY;
123 return WERR_OK;
124 }
125
126 *p = '\0';
127
128 err = reg_openhive(mem_ctx, path,
129 (strchr(p+1, '\\') != NULL) ?
130 KEY_ENUMERATE_SUB_KEYS : KEY_CREATE_SUB_KEY,
131 token, &hive);