Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <assert.h>
21 : #include <fcntl.h>
22 : #include <sys/types.h>
23 : #include <sys/stat.h>
24 : #include <unistd.h>
25 : #include <dlfcn.h>
26 :
27 : #ifdef _cplusplus
28 : extern "C" {
29 : #endif
30 :
31 : #ifdef SOLARIS
32 :
33 : #include <sys/systeminfo.h>
34 : #include <strings.h>
35 :
36 : int chown (const char *path, uid_t owner, gid_t group) {return 0;}
37 : int lchown (const char *path, uid_t owner, gid_t group) {return 0;}
38 : int fchown (int fildes, uid_t owner, gid_t group) {return 0;}
39 :
40 : uid_t getuid (void) {return 0;}
41 : int stat(const char *path, struct stat *buf);
42 : #ifdef __notdef__
43 : uid_t geteuid (void) {return 0;}
44 : gid_t getgid (void) {return 0;}
45 : gid_t getegid (void) {return 0;}
46 : #endif
47 :
48 : int setuid (uid_t p) {return 0;}
49 : int setgid (gid_t p) {return 0;}
50 :
51 : /* This is to fool cpio and pkgmk */
52 : int fstat(int fildes, struct stat *buf)
53 : {
54 : int ret = 0;
55 : static int (*p_fstat) (int fildes, struct stat *buf) = NULL;
56 : if (p_fstat == NULL)
57 : p_fstat = (int (*)(int fildes, struct stat *buf))
58 : dlsym (RTLD_NEXT, "fstat");
59 : ret = (*p_fstat)(fildes, buf);
60 : if (buf != NULL)
61 : {
62 : buf->st_uid = 0; /* root */
63 : buf->st_gid = 2; /* bin */
64 : }
65 :
66 : return ret;
67 : }
68 :
69 : /* this is to fool mkdir, don't allow to remove owner execute right from directories */
70 : int chmod(const char *path, mode_t mode)
71 : {
72 : int ret = 0;
73 : static int (*p_chmod) (const char *path, mode_t mode) = NULL;
74 : if (p_chmod == NULL)
75 : p_chmod = (int (*)(const char *path, mode_t mode))
76 : dlsym (RTLD_NEXT, "chmod");
77 :
78 : if ((mode & S_IXUSR) == 0)
79 : {
80 : struct stat statbuf;
81 : if (stat(path, &statbuf) == 0)
82 : {
83 : if ((statbuf.st_mode & S_IFDIR) != 0)
84 : mode = (mode | S_IXUSR);
85 : }
86 : }
87 :
88 : ret = (*p_chmod)(path, mode);
89 : return ret;
90 : }
91 :
92 :
93 :
94 : /* This is to fool tar */
95 : int fstatat64(int fildes, const char *path, struct stat64 *buf, int flag)
96 : {
97 : int ret = 0;
98 : static int (*p_fstatat) (int fildes, const char *path, struct stat64 *buf, int flag) = NULL;
99 : if (p_fstatat == NULL)
100 : p_fstatat = (int (*)(int fildes, const char *path, struct stat64 *buf, int flag))
101 : dlsym (RTLD_NEXT, "fstatat64");
102 : ret = (*p_fstatat)(fildes, path, buf, flag);
103 : if (buf != NULL)
104 : {
105 : buf->st_uid = 0; /* root */
106 : buf->st_gid = 2; /* bin */
107 : }
108 :
109 : return ret;
110 : }
111 : #elif defined LINUX
112 :
113 0 : uid_t getuid (void) {return 0;}
114 0 : uid_t geteuid (void) {return 0;}
115 :
116 : /* This is to fool tar */
117 : #ifdef X86_64
118 : int __lxstat(int n, const char *path, struct stat *buf)
119 : {
120 0 : int ret = 0;
121 : static int (*p_lstat) (int n, const char *path, struct stat *buf) = NULL;
122 0 : if (p_lstat == NULL)
123 0 : p_lstat = (int (*)(int n, const char *path, struct stat *buf))
124 0 : dlsym (RTLD_NEXT, "__lxstat");
125 0 : ret = (*p_lstat)(n, path, buf);
126 : assert(buf != NULL);
127 0 : buf->st_uid = 0; /* root */
128 0 : buf->st_gid = 0; /* root */
129 0 : return ret;
130 : }
131 : #else
132 : int __lxstat64(int n, const char *path, struct stat64 *buf)
133 : {
134 : int ret = 0;
135 : static int (*p_lstat) (int n, const char *path, struct stat64 *buf) = NULL;
136 : if (p_lstat == NULL)
137 : p_lstat = (int (*)(int n, const char *path, struct stat64 *buf))
138 : dlsym (RTLD_NEXT, "__lxstat64");
139 : ret = (*p_lstat)(n, path, buf);
140 : assert(buf != NULL);
141 : buf->st_uid = 0;
142 : buf->st_gid = 0;
143 : return ret;
144 : }
145 : #endif
146 : #endif
147 :
148 : #ifdef _cplusplus
149 : }
150 : #endif
151 :
152 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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