summaryrefslogtreecommitdiff
path: root/setup_native/scripts/source/getuid.c
blob: 9af63f4f079d19609456c6c54a11287884dc7444 (plain)
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
#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 (buf != NULL)
    {
        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);
    if (buf != NULL)
    {
        buf->st_uid = 0;
        buf->st_gid = 0;
    }
    return ret;
}
#endif
#endif

#ifdef _cplusplus
}
#endif