1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
|
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#include "apr_private.h"
#include "apr_strings.h"
#include "apr_portable.h"
#include "apr_user.h"
#include "fileio.h"
#if APR_HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
/* Internal sid binary to string translation, see MSKB Q131320.
* Several user related operations require our SID to access
* the registry, but in a string format. All error handling
* depends on IsValidSid(), which internally we better test long
* before we get here!
*/
void get_sid_string(char *buf, int blen, apr_uid_t id)
{
PSID_IDENTIFIER_AUTHORITY psia;
DWORD nsa;
DWORD sa;
int slen;
/* Determine authority values (these is a big-endian value,
* and NT records the value as hex if the value is > 2^32.)
*/
psia = GetSidIdentifierAuthority(id);
nsa = (DWORD)(psia->Value[5]) + ((DWORD)(psia->Value[4]) << 8)
+ ((DWORD)(psia->Value[3]) << 16) + ((DWORD)(psia->Value[2]) << 24);
sa = (DWORD)(psia->Value[1]) + ((DWORD)(psia->Value[0]) << 8);
if (sa) {
slen = apr_snprintf(buf, blen, "S-%lu-0x%04x%08x",
SID_REVISION, sa, nsa);
} else {
slen = apr_snprintf(buf, blen, "S-%lu-%lu",
SID_REVISION, nsa);
}
/* Now append all the subauthority strings.
*/
nsa = *GetSidSubAuthorityCount(id);
for (sa = 0; sa < nsa; ++sa) {
slen += apr_snprintf(buf + slen, blen - slen, "-%lu",
*GetSidSubAuthority(id, sa));
}
}
/* Query the ProfileImagePath from the version-specific branch, where the
* regkey uses the user's name on 9x, and user's sid string on NT.
*/
APR_DECLARE(apr_status_t) apr_get_home_directory(char **dirname, const char *username, apr_pool_t *p)
{
apr_oslevel_e os_level;
apr_status_t rv;
char regkey[MAX_PATH * 2];
char *fixch;
DWORD keylen;
DWORD type;
HKEY key;
if (apr_get_oslevel(p, &os_level) || os_level >= APR_WIN_NT) {
apr_uid_t uid;
apr_gid_t gid;
if ((rv = apr_get_userid(&uid, &gid, username, p)) != APR_SUCCESS)
return rv;
strcpy(regkey, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\"
"ProfileList\\");
keylen = strlen(regkey);
get_sid_string(regkey + keylen, sizeof(regkey) - keylen, uid);
}
else {
strcpy(regkey, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\"
"ProfileList\\");
keylen = strlen(regkey);
apr_cpystrn(regkey + keylen, username, sizeof(regkey) - keylen);
}
if ((rv = RegOpenKeyEx(HKEY_LOCAL_MACHINE, regkey, 0,
KEY_QUERY_VALUE, &key)) != ERROR_SUCCESS)
return APR_FROM_OS_ERROR(rv);
#if APR_HAS_UNICODE_FS
if (apr_get_oslevel(p, &os_level) || os_level >= APR_WIN_NT) {
keylen = sizeof(regkey);
rv = RegQueryValueExW(key, L"ProfileImagePath", NULL, &type,
(void*)regkey, &keylen);
RegCloseKey(key);
if (rv != ERROR_SUCCESS)
return APR_FROM_OS_ERROR(rv);
if (type == REG_SZ) {
char retdir[MAX_PATH];
if ((rv = unicode_to_utf8_path(retdir, sizeof(retdir),
(apr_wchar_t*)regkey)) != APR_SUCCESS)
return rv;
*dirname = apr_pstrdup(p, retdir);
}
else if (type == REG_EXPAND_SZ) {
apr_wchar_t path[MAX_PATH];
char retdir[MAX_PATH];
ExpandEnvironmentStringsW((apr_wchar_t*)regkey, path, sizeof(path));
if ((rv = unicode_to_utf8_path(retdir, sizeof(retdir), path))
!= APR_SUCCESS)
return rv;
*dirname = apr_pstrdup(p, retdir);
}
else
return APR_ENOENT;
}
else
#endif /* APR_HAS_UNICODE_FS */
{
keylen = sizeof(regkey);
rv = RegQueryValueEx(key, "ProfileImagePath", NULL, &type,
(void*)regkey, &keylen);
RegCloseKey(key);
if (rv != ERROR_SUCCESS)
return APR_FROM_OS_ERROR(rv);
if (type == REG_SZ) {
*dirname = apr_pstrdup(p, regkey);
}
else if (type == REG_EXPAND_SZ) {
char path[MAX_PATH];
ExpandEnvironmentStrings(regkey, path, sizeof(path));
*dirname = apr_pstrdup(p, path);
}
else
return APR_ENOENT;
}
for (fixch = *dirname; *fixch; ++fixch)
if (*fixch == '\\')
*fixch = '/';
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_get_userid(apr_uid_t *uid, apr_gid_t *gid,
const char *username, apr_pool_t *p)
{
SID_NAME_USE sidtype;
char anydomain[256];
char *domain;
DWORD sidlen = 0;
DWORD domlen = sizeof(anydomain);
DWORD rv;
char *pos;
if (pos = strchr(username, '/')) {
domain = apr_pstrndup(p, username, pos - username);
username = pos + 1;
}
else if (pos = strchr(username, '\\')) {
domain = apr_pstrndup(p, username, pos - username);
username = pos + 1;
}
else {
domain = NULL;
}
/* Get nothing on the first pass ... need to size the sid buffer
*/
rv = LookupAccountName(domain, username, domain, &sidlen,
anydomain, &domlen, &sidtype);
if (sidlen) {
/* Give it back on the second pass
*/
*uid = apr_palloc(p, sidlen);
domlen = sizeof(anydomain);
rv = LookupAccountName(domain, username, *uid, &sidlen,
anydomain, &domlen, &sidtype);
}
if (!sidlen || !rv) {
return apr_get_os_error();
}
/* There doesn't seem to be a simple way to retrieve the primary group sid
*/
*gid = NULL;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_get_username(char **username, apr_uid_t userid, apr_pool_t *p)
{
SID_NAME_USE type;
char name[MAX_PATH], domain[MAX_PATH];
DWORD cbname = sizeof(name), cbdomain = sizeof(domain);
if (!userid)
return APR_EINVAL;
if (!LookupAccountSid(NULL, userid, name, &cbname, domain, &cbdomain, &type))
return apr_get_os_error();
if (type != SidTypeUser && type != SidTypeAlias && type != SidTypeWellKnownGroup)
return APR_EINVAL;
*username = apr_pstrdup(p, name);
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_compare_users(apr_uid_t left, apr_uid_t right)
{
if (!left || !right)
return APR_EINVAL;
if (!IsValidSid(left) || !IsValidSid(right))
return APR_EINVAL;
if (!EqualSid(left, right))
return APR_EMISMATCH;
return APR_SUCCESS;
}
|
