1 /* Licensed to the Apache Software Foundation (ASF) under one or more
2  * contributor license agreements.  See the NOTICE file distributed with
3  * this work for additional information regarding copyright ownership.
4  * The ASF licenses this file to You under the Apache License, Version 2.0
5  * (the "License"); you may not use this file except in compliance with
6  * the License.  You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "apr_strings.h"
18 #include "apr_portable.h"
19 #include "apr_user.h"
20 #include "apr_private.h"
21 #if APR_HAVE_SYS_TYPES_H
22 #include <sys/types.h>
23 #endif
24 
apr_gid_get(apr_gid_t * gid,const char * groupname,apr_pool_t * p)25 APR_DECLARE(apr_status_t) apr_gid_get(apr_gid_t *gid,
26                                       const char *groupname, apr_pool_t *p)
27 {
28 #ifdef _WIN32_WCE
29     return APR_ENOTIMPL;
30 #else
31     SID_NAME_USE sidtype;
32     char anydomain[256];
33     char *domain;
34     DWORD sidlen = 0;
35     DWORD domlen = sizeof(anydomain);
36     DWORD rv;
37     char *pos;
38 
39     if ((pos = strchr(groupname, '/'))) {
40         domain = apr_pstrmemdup(p, groupname, pos - groupname);
41         groupname = pos + 1;
42     }
43     else if ((pos = strchr(groupname, '\\'))) {
44         domain = apr_pstrmemdup(p, groupname, pos - groupname);
45         groupname = pos + 1;
46     }
47     else {
48         domain = NULL;
49     }
50     /* Get nothing on the first pass ... need to size the sid buffer
51      */
52     rv = LookupAccountName(domain, groupname, domain, &sidlen,
53                            anydomain, &domlen, &sidtype);
54     if (sidlen) {
55         /* Give it back on the second pass
56          */
57         *gid = apr_palloc(p, sidlen);
58         domlen = sizeof(anydomain);
59         rv = LookupAccountName(domain, groupname, *gid, &sidlen,
60                                anydomain, &domlen, &sidtype);
61     }
62     if (!sidlen || !rv) {
63         return apr_get_os_error();
64     }
65     return APR_SUCCESS;
66 #endif
67 }
68 
apr_gid_name_get(char ** groupname,apr_gid_t groupid,apr_pool_t * p)69 APR_DECLARE(apr_status_t) apr_gid_name_get(char **groupname, apr_gid_t groupid, apr_pool_t *p)
70 {
71 #ifdef _WIN32_WCE
72     *groupname = apr_pstrdup(p, "Administrators");
73 #else
74     SID_NAME_USE type;
75     char name[MAX_PATH], domain[MAX_PATH];
76     DWORD cbname = sizeof(name), cbdomain = sizeof(domain);
77     if (!groupid)
78         return APR_EINVAL;
79     if (!LookupAccountSid(NULL, groupid, name, &cbname, domain, &cbdomain, &type))
80         return apr_get_os_error();
81     if (type != SidTypeGroup && type != SidTypeWellKnownGroup
82                              && type != SidTypeAlias)
83         return APR_EINVAL;
84     *groupname = apr_pstrdup(p, name);
85 #endif
86     return APR_SUCCESS;
87 }
88 
apr_gid_compare(apr_gid_t left,apr_gid_t right)89 APR_DECLARE(apr_status_t) apr_gid_compare(apr_gid_t left, apr_gid_t right)
90 {
91     if (!left || !right)
92         return APR_EINVAL;
93 #ifndef _WIN32_WCE
94     if (!IsValidSid(left) || !IsValidSid(right))
95         return APR_EINVAL;
96     if (!EqualSid(left, right))
97         return APR_EMISMATCH;
98 #endif
99     return APR_SUCCESS;
100 }
101