1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <assert.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dlfcn.h>
#ifdef _cplusplus
extern "C" {
#endif
#ifdef SOLARIS
#include <sys/systeminfo.h>
#include <strings.h>
int chown (const char *path, uid_t owner, gid_t group) {return 0;}
int lchown (const char *path, uid_t owner, gid_t group) {return 0;}
int fchown (int fildes, uid_t owner, gid_t group) {return 0;}
uid_t getuid (void) {return 0;}
int stat(const char *path, struct stat *buf);
#ifdef __notdef__
uid_t geteuid (void) {return 0;}
gid_t getgid (void) {return 0;}
gid_t getegid (void) {return 0;}
#endif
int setuid (uid_t p) {return 0;}
int setgid (gid_t p) {return 0;}
/* This is to fool cpio and pkgmk */
int fstat(int fildes, struct stat *buf)
{
int ret = 0;
static int (*p_fstat) (int fildes, struct stat *buf) = NULL;
if (p_fstat == NULL)
p_fstat = (int (*)(int fildes, struct stat *buf))
dlsym (RTLD_NEXT, "fstat");
ret = (*p_fstat)(fildes, buf);
if (buf != NULL)
{
buf->st_uid = 0; /* root */
buf->st_gid = 2; /* bin */
}
return ret;
}
/* this is to fool mkdir, don't allow to remove owner execute right from directories */
int chmod(const char *path, mode_t mode)
{
int ret = 0;
static int (*p_chmod) (const char *path, mode_t mode) = NULL;
if (p_chmod == NULL)
p_chmod = (int (*)(const char *path, mode_t mode))
dlsym (RTLD_NEXT, "chmod");
if ((mode & S_IXUSR) == 0)
{
struct stat statbuf;
if (stat(path, &statbuf) == 0)
{
if ((statbuf.st_mode & S_IFDIR) != 0)
mode = (mode | S_IXUSR);
}
}
ret = (*p_chmod)(path, mode);
return ret;
}
/* This is to fool tar */
int fstatat64(int fildes, const char *path, struct stat64 *buf, int flag)
{
int ret = 0;
static int (*p_fstatat) (int fildes, const char *path, struct stat64 *buf, int flag) = NULL;
if (p_fstatat == NULL)
p_fstatat = (int (*)(int fildes, const char *path, struct stat64 *buf, int flag))
dlsym (RTLD_NEXT, "fstatat64");
ret = (*p_fstatat)(fildes, path, buf, flag);
if (buf != NULL)
{
buf->st_uid = 0; /* root */
buf->st_gid = 2; /* bin */
}
return ret;
}
#elif defined LINUX
uid_t getuid (void) {return 0;}
uid_t geteuid (void) {return 0;}
/* This is to fool tar */
#ifdef X86_64
int __lxstat(int n, const char *path, struct stat *buf)
{
int ret = 0;
static int (*p_lstat) (int n, const char *path, struct stat *buf) = NULL;
if (p_lstat == NULL)
p_lstat = (int (*)(int n, const char *path, struct stat *buf))
dlsym (RTLD_NEXT, "__lxstat");
ret = (*p_lstat)(n, path, buf);
#if defined __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wnonnull"
// __lxstat may be declared in system headers as taking nonnull argument
#endif
assert(buf != NULL);
#if defined __GNUC__
#pragma GCC diagnostic pop
#endif
buf->st_uid = 0; /* root */
buf->st_gid = 0; /* root */
return ret;
}
#else
int __lxstat64(int n, const char *path, struct stat64 *buf)
{
int ret = 0;
static int (*p_lstat) (int n, const char *path, struct stat64 *buf) = NULL;
if (p_lstat == NULL)
p_lstat = (int (*)(int n, const char *path, struct stat64 *buf))
dlsym (RTLD_NEXT, "__lxstat64");
ret = (*p_lstat)(n, path, buf);
assert(buf != NULL);
buf->st_uid = 0;
buf->st_gid = 0;
return ret;
}
#endif
#endif
#ifdef _cplusplus
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
