Mercurial > trustbridge
annotate common/util.c @ 680:a5a709c6ce93
Added minimal shar based installer for linux.
author | Sascha Wilde <wilde@intevation.de> |
---|---|
date | Mon, 30 Jun 2014 18:33:26 +0200 |
parents | 4ad764bfb39c |
children | 216a65d7fc4b |
rev | line source |
---|---|
404 | 1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik |
2 * Software engineering by Intevation GmbH | |
3 * | |
4 * This file is Free Software under the GNU GPL (v>=2) | |
5 * and comes with ABSOLUTELY NO WARRANTY! | |
6 * See LICENSE.txt for details. | |
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 |