Mercurial > trustbridge

annotate common/util.c @ 813:1c97f29fd13e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix and update german translations
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 15 Jul 2014 16:53:37 +0200
parents 4ad764bfb39c
children 216a65d7fc4b
rev   line source
404
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 338
diff changeset
1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 338
diff changeset
2 * Software engineering by Intevation GmbH
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 338
diff changeset
3 *
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 338
diff changeset
4 * This file is Free Software under the GNU GPL (v>=2)
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 338
diff changeset
5 * and comes with ABSOLUTELY NO WARRANTY!
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 338
diff changeset
6 * See LICENSE.txt for details.
17e1c8f37d72 Add License
Andre Heinecke <aheinecke@intevation.de>
parents: 338
diff changeset
7 */
321
824ef90a6721 Move is_elevated into common/util.c file for better reuse
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
8 #include "util.h"
505
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
9 #include "logging.h"
644
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
10 #include "strhelp.h"
505
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
11
323
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
12 #ifndef _WIN32
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
13 #include <unistd.h>
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
14 #include <sys/types.h>
644
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
15 #include <pwd.h>
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
16 #include <grp.h>
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
17 #include <string.h>
323
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
18 #else
321
824ef90a6721 Move is_elevated into common/util.c file for better reuse
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
19 #include <windows.h>
824ef90a6721 Move is_elevated into common/util.c file for better reuse
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
20 #endif
824ef90a6721 Move is_elevated into common/util.c file for better reuse
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
21
671
d4766b4922c9 Fix linux build
Andre Heinecke <andre.heinecke@intevation.de>
parents: 670
diff changeset
22 #ifdef WIN32
675
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
23 char * get_install_dir()
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
24 {
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
25 wchar_t wPath[MAX_PATH];
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
26 char *utf8path = NULL;
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
27 char *dirsep = NULL;
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
28
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
29 if (!GetModuleFileNameW (NULL, wPath, MAX_PATH - 1))
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
30 {
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
31 PRINTLASTERROR ("Failed to obtain module file name. Path too long?");
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
32 return NULL;
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
33 }
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
34
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
35 /* wPath might not be 0 terminated */
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
36 wPath[MAX_PATH - 1] = '\0';
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
37
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
38 utf8path = wchar_to_utf8 (wPath, wcsnlen(wPath, MAX_PATH));
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
39
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
40 if (utf8path == NULL)
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
41 {
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
42 ERRORPRINTF ("Failed to convert module path to utf-8");
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
43 return NULL;
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
44 }
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
45
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
46 /* Cut away the executable name */
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
47 dirsep = strrchr(utf8path, '\\');
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
48 if (dirsep == NULL)
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
49 {
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
50 ERRORPRINTF ("Failed to find directory seperator.");
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
51 return NULL;
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
52 }
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
53 *dirsep = '\0';
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
54 return utf8path;
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
55 }
4ad764bfb39c Add writing of the NSS line into the registry
Andre Heinecke <andre.heinecke@intevation.de>
parents: 671
diff changeset
56
670
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
57 static PSID
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
58 copy_sid(PSID from)
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
59 {
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
60 if (!from)
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
61 {
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
62 return 0;
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
63 }
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
64
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
65 DWORD sidLength = GetLengthSid(from);
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
66 PSID to = (PSID) xmalloc(sidLength);
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
67 CopySid(sidLength, to, from);
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
68 return to;
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
69 }
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
70
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
71
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
72 PSID
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
73 get_process_owner(HANDLE hProcess)
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
74 {
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
75 HANDLE hToken = NULL;
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
76 PSID sid;
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
77
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
78 if (hProcess == NULL)
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
79 {
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
80 ERRORPRINTF ("invalid call to get_process_owner");
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
81 return NULL;
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
82 }
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
83
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
84 OpenProcessToken(hProcess, TOKEN_READ, &hToken);
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
85 if (hToken)
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
86 {
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
87 DWORD size = 0;
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
88 PTOKEN_USER userStruct;
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
89
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
90 // check how much space is needed
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
91 GetTokenInformation(hToken, TokenUser, NULL, 0, &size);
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
92 if (ERROR_INSUFFICIENT_BUFFER == GetLastError())
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
93 {
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
94 userStruct = (PTOKEN_USER) xmalloc (size);
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
95 GetTokenInformation(hToken, TokenUser, userStruct, size, &size);
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
96
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
97 sid = copy_sid(userStruct->User.Sid);
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
98 CloseHandle(hToken);
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
99 xfree (userStruct);
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
100 return sid;
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
101 }
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
102 }
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
103 return NULL;
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
104 }
671
d4766b4922c9 Fix linux build
Andre Heinecke <andre.heinecke@intevation.de>
parents: 670
diff changeset
105 #endif
670
175370634226 Move getProcessOwner to util and use it to skip the current user in locate other hives
Andre Heinecke <andre.heinecke@intevation.de>
parents: 644
diff changeset
106
321
824ef90a6721 Move is_elevated into common/util.c file for better reuse
Andre Heinecke <aheinecke@intevation.de>
parents:
diff changeset
107 bool
323
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
108 is_elevated()
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
109 {
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
110 bool ret = false;
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
111 #ifndef _WIN32
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
112 ret = (geteuid() == 0);
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
113 #else
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
114 HANDLE hToken = NULL;
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
115 if (OpenProcessToken (GetCurrentProcess(), TOKEN_QUERY, &hToken))
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
116 {
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
117 DWORD elevation;
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
118 DWORD cbSize = sizeof (DWORD);
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
119 if (GetTokenInformation (hToken, TokenElevation, &elevation,
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
120 sizeof (TokenElevation), &cbSize))
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
121 {
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
122 ret = elevation;
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
123 }
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
124 }
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
125 if (hToken)
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
126 CloseHandle (hToken);
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
127 #endif
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
128 return ret;
31ba7ed4d50f Made is_elevated portable.
Sascha Wilde <wilde@intevation.de>
parents: 321
diff changeset
129 }
505
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
130
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
131 bool is_admin()
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
132 {
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
133 #ifndef _WIN32
644
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
134 struct passwd *current_user = getpwuid (geteuid());
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
135 int ngroups = 0,
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
136 ret = 0,
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
137 i = 0;
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
138 gid_t * groups = NULL;
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
139
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
140 if (current_user == NULL)
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
141 {
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
142 ERRORPRINTF ("Failed to obtain user information.");
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
143 return false;
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
144 }
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
145
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
146 ret = getgrouplist (current_user->pw_name, current_user->pw_gid, NULL,
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
147 &ngroups);
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
148
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
149 if (ret != -1 || ngroups <= 0)
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
150 {
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
151 ERRORPRINTF ("Unknown error in getgrouplist call");
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
152 return false;
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
153 }
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
154
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
155 groups = xmalloc (((unsigned int)ngroups) * sizeof (gid_t));
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
156
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
157 ret = getgrouplist (current_user->pw_name, current_user->pw_gid, groups,
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
158 &ngroups);
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
159
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
160 if (ret != ngroups)
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
161 {
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
162 ERRORPRINTF ("Group length mismatch.");
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
163 xfree (groups);
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
164 return false;
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
165 }
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
166
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
167 for (i = 0; i < ngroups; i++)
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
168 {
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
169 struct group *gr = getgrgid (groups[i]);
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
170 if (gr == NULL)
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
171 {
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
172 ERRORPRINTF ("Error in group enumeration");
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
173 xfree (groups);
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
174 return false;
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
175 }
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
176 if (strcmp("sudo", gr->gr_name) == 0)
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
177 {
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
178 DEBUGPRINTF ("User is in sudo group \n");
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
179 xfree (groups);
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
180 return true;
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
181 }
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
182 }
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
183
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
184 DEBUGPRINTF ("User is not in sudo group");
c7a35fa302ec Check sudo group membership if user to determine if he can elevate privileges
Andre Heinecke <andre.heinecke@intevation.de>
parents: 505
diff changeset
185
505
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
186 return false;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
187 #else
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
188 bool retval = false;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
189 BOOL in_admin_group = FALSE;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
190 HANDLE hToken = NULL;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
191 HANDLE hTokenToCheck = NULL;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
192 DWORD cbSize = 0;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
193 TOKEN_ELEVATION_TYPE elevation;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
194 BYTE admin_id[SECURITY_MAX_SID_SIZE];
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
195
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
196 if (!OpenProcessToken(GetCurrentProcess(),
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
197 TOKEN_QUERY | TOKEN_DUPLICATE, &hToken))
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
198 {
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
199 PRINTLASTERROR ("Failed to duplicate process token.\n");
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
200 return false;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
201 }
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
202
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
203 if (!GetTokenInformation(hToken, TokenElevationType, &elevation,
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
204 sizeof(elevation), &cbSize))
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
205 {
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
206 PRINTLASTERROR ("Failed to get token information.\n");
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
207 goto done;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
208 }
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
209
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
210 /* If limited check the the linked token instead */
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
211 if (TokenElevationTypeLimited == elevation)
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
212 {
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
213 if (!GetTokenInformation(hToken, TokenLinkedToken, &hTokenToCheck,
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
214 sizeof(hTokenToCheck), &cbSize))
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
215 {
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
216 PRINTLASTERROR ("Failed to get the linked token.\n");
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
217 goto done;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
218 }
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
219 }
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
220
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
221 if (!hTokenToCheck) /* The linked token is already of the correct type */
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
222 {
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
223 if (!DuplicateToken(hToken, SecurityIdentification, &hTokenToCheck))
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
224 {
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
225 PRINTLASTERROR ("Failed to duplicate token for identification.\n");
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
226 goto done;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
227 }
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
228 }
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
229
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
230 /* Do the sid dance for the adminSID */
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
231 cbSize = sizeof(admin_id);
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
232 if (!CreateWellKnownSid(WinBuiltinAdministratorsSid, NULL, &admin_id,
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
233 &cbSize))
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
234 {
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
235 PRINTLASTERROR ("Failed to get admin sid.\n");
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
236 goto done;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
237 }
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
238
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
239 /* The actual check */
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
240 if (!CheckTokenMembership(hTokenToCheck, &admin_id, &in_admin_group))
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
241 {
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
242 PRINTLASTERROR ("Failed to check token membership.\n");
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
243 goto done;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
244 }
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
245
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
246 if (in_admin_group)
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
247 {
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
248 /* Winbool to standard bool */
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
249 retval = true;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
250 }
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
251
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
252 done:
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
253 if (hToken) CloseHandle(hToken);
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
254 if (hTokenToCheck) CloseHandle(hTokenToCheck);
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
255
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
256 return retval;
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
257 #endif
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
258 }
78959fd970b0 Add is_admin and implement it for windows
Andre Heinecke <aheinecke@intevation.de>
parents: 404
diff changeset
259
http://wald.intevation.org/projects/trustbridge/