1 /*
2 * Unix SMB/CIFS implementation.
3 * Virtual Windows Registry Layer
4 * Copyright (C) Gerald Carter 2005
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20 /* Implementation of registry virtual views for printing information */
21
22 #include "includes.h"
23 #include "registry.h"
24 #include "reg_objects.h"
25
26 #undef DBGC_CLASS
27 #define DBGC_CLASS DBGC_REGISTRY
28
29 /**********************************************************************
30 It is safe to assume that every registry path passed into one of
31 the exported functions here begins with KEY_SHARES else
32 these functions would have never been called. This is a small utility
33 function to strip the beginning of the path and make a copy that the
34 caller can modify. Note that the caller is responsible for releasing
35 the memory allocated here.
36 **********************************************************************/
37
trim_reg_path(const char * path)38 static char* trim_reg_path( const char *path )
39 {
40 const char *p;
41 uint16_t key_len = strlen(KEY_SHARES);
42
43 /*
44 * sanity check...this really should never be True.
45 * It is only here to prevent us from accessing outside
46 * the path buffer in the extreme case.
47 */
48
49 if ( strlen(path) < key_len ) {
50 DEBUG(0,("trim_reg_path: Registry path too short! [%s]\n", path));
51 return NULL;
52 }
53
54 p = path + strlen( KEY_SHARES );
55
56 if ( *p == '\\' )
57 p++;
58
59 if ( *p )
60 return SMB_STRDUP(p);
61 else
62 return NULL;
63 }
64
65 /**********************************************************************
66 Enumerate registry subkey names given a registry path.
67 Caller is responsible for freeing memory to **subkeys
68 *********************************************************************/
69
shares_subkey_info(const char * key,struct regsubkey_ctr * subkey_ctr)70 static int shares_subkey_info( const char *key, struct regsubkey_ctr *subkey_ctr )
71 {
72 char *path;
73 bool top_level = False;
74 int num_subkeys = 0;
75
76 DEBUG(10, ("shares_subkey_info: key=>[%s]\n", key));
77
78 path = trim_reg_path( key );
79
80 /* check to see if we are dealing with the top level key */
81
82 if ( !path )
83 top_level = True;
84
85 if ( top_level ) {
86 num_subkeys = 1;
87 regsubkey_ctr_addkey( subkey_ctr, "Security" );
88 }
89 #if 0
90 else
91 num_subkeys = handle_share_subpath( path, subkey_ctr, NULL );
92 #endif
93
94 SAFE_FREE( path );
95
96 return num_subkeys;
97 }
98
99 /**********************************************************************
100 Enumerate registry values given a registry path.
101 Caller is responsible for freeing memory
102 *********************************************************************/
103
shares_value_info(const char * key,struct regval_ctr * val)104 static int shares_value_info(const char *key, struct regval_ctr *val)
105 {
106 char *path;
107 bool top_level = False;
108 int num_values = 0;
109
110 DEBUG(10, ("shares_value_info: key=>[%s]\n", key));
111
112 path = trim_reg_path( key );
113
114 /* check to see if we are dealing with the top level key */
115
116 if ( !path )
117 top_level = True;
118
119 /* fill in values from the getprinterdata_printer_server() */
120 if ( top_level )
121 num_values = 0;
122 #if 0
123 else
124 num_values = handle_printing_subpath( path, NULL, val );
125 #endif
126
127 SAFE_FREE(path);
128
129 return num_values;
130 }
131
132 /**********************************************************************
133 Stub function which always returns failure since we don't want
134 people storing share information directly via registry calls
135 (for now at least)
136 *********************************************************************/
137
shares_store_subkey(const char * key,struct regsubkey_ctr * subkeys)138 static bool shares_store_subkey( const char *key, struct regsubkey_ctr *subkeys )
139 {
140 return False;
141 }
142
143 /**********************************************************************
144 Stub function which always returns failure since we don't want
145 people storing share information directly via registry calls
146 (for now at least)
147 *********************************************************************/
148
shares_store_value(const char * key,struct regval_ctr * val)149 static bool shares_store_value(const char *key, struct regval_ctr *val)
150 {
151 return False;
152 }
153
154 /*
155 * Table of function pointers for accessing printing data
156 */
157
158 struct registry_ops shares_reg_ops = {
159 .fetch_subkeys = shares_subkey_info,
160 .fetch_values = shares_value_info,
161 .store_subkeys = shares_store_subkey,
162 .store_values = shares_store_value,
163 };
164
165
166