diff options
Diffstat (limited to 'cygwin_util.c')
-rw-r--r-- | cygwin_util.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/cygwin_util.c b/cygwin_util.c deleted file mode 100644 index b540ebe1a..000000000 --- a/cygwin_util.c +++ /dev/null | |||
@@ -1,105 +0,0 @@ | |||
1 | /* | ||
2 | * | ||
3 | * cygwin_util.c | ||
4 | * | ||
5 | * Author: Corinna Vinschen <vinschen@cygnus.com> | ||
6 | * | ||
7 | * Copyright (c) 2000 Corinna Vinschen <vinschen@cygnus.com>, Duisburg, Germany | ||
8 | * All rights reserved | ||
9 | * | ||
10 | * Created: Sat Sep 02 12:17:00 2000 cv | ||
11 | * | ||
12 | * This file contains functions for forcing opened file descriptors to | ||
13 | * binary mode on Windows systems. | ||
14 | */ | ||
15 | |||
16 | #include "config.h" | ||
17 | |||
18 | #ifdef HAVE_CYGWIN | ||
19 | |||
20 | #include <fcntl.h> | ||
21 | #include <io.h> | ||
22 | #include <stdlib.h> | ||
23 | #include <sys/vfs.h> | ||
24 | #include <windows.h> | ||
25 | #define is_winnt (GetVersion() < 0x80000000) | ||
26 | |||
27 | int binary_open(const char *filename, int flags, mode_t mode) | ||
28 | { | ||
29 | return open(filename, flags | O_BINARY, mode); | ||
30 | } | ||
31 | |||
32 | int binary_pipe(int fd[2]) | ||
33 | { | ||
34 | int ret = pipe(fd); | ||
35 | |||
36 | if (!ret) { | ||
37 | setmode (fd[0], O_BINARY); | ||
38 | setmode (fd[1], O_BINARY); | ||
39 | } | ||
40 | return ret; | ||
41 | } | ||
42 | |||
43 | int check_nt_auth(int pwd_authenticated, uid_t uid) | ||
44 | { | ||
45 | /* | ||
46 | * The only authentication which is able to change the user | ||
47 | * context on NT systems is the password authentication. So | ||
48 | * we deny all requsts for changing the user context if another | ||
49 | * authentication method is used. | ||
50 | * This may change in future when a special openssh | ||
51 | * subauthentication package is available. | ||
52 | */ | ||
53 | if (is_winnt && !pwd_authenticated && geteuid() != uid) | ||
54 | return 0; | ||
55 | |||
56 | return 1; | ||
57 | } | ||
58 | |||
59 | int check_ntsec(const char *filename) | ||
60 | { | ||
61 | char *cygwin; | ||
62 | int allow_ntea = 0; | ||
63 | int allow_ntsec = 0; | ||
64 | struct statfs fsstat; | ||
65 | |||
66 | /* Windows 95/98/ME don't support file system security at all. */ | ||
67 | if (!is_winnt) | ||
68 | return 0; | ||
69 | |||
70 | /* Evaluate current CYGWIN settings. */ | ||
71 | if ((cygwin = getenv("CYGWIN")) != NULL) { | ||
72 | if (strstr(cygwin, "ntea") && !strstr(cygwin, "nontea")) | ||
73 | allow_ntea = 1; | ||
74 | if (strstr(cygwin, "ntsec") && !strstr(cygwin, "nontsec")) | ||
75 | allow_ntsec = 1; | ||
76 | } | ||
77 | |||
78 | /* | ||
79 | * `ntea' is an emulation of POSIX attributes. It doesn't support | ||
80 | * real file level security as ntsec on NTFS file systems does | ||
81 | * but it supports FAT filesystems. `ntea' is minimum requirement | ||
82 | * for security checks. | ||
83 | */ | ||
84 | if (allow_ntea) | ||
85 | return 1; | ||
86 | |||
87 | /* | ||
88 | * Retrieve file system flags. In Cygwin, file system flags are | ||
89 | * copied to f_type which has no meaning in Win32 itself. | ||
90 | */ | ||
91 | if (statfs(filename, &fsstat)) | ||
92 | return 1; | ||
93 | |||
94 | /* | ||
95 | * Only file systems supporting ACLs are able to set permissions. | ||
96 | * `ntsec' is the setting in Cygwin which switches using of NTFS | ||
97 | * ACLs to support POSIX permissions on files. | ||
98 | */ | ||
99 | if (fsstat.f_type & FS_PERSISTENT_ACLS) | ||
100 | return allow_ntsec; | ||
101 | |||
102 | return 0; | ||
103 | } | ||
104 | |||
105 | #endif /* HAVE_CYGWIN */ | ||