blob: 3d2102f9d7bcf975eec9971973f30b2242abea70 (
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
|
/* vi: set sw=4 ts=4: */
/*
* setgroups() for uClibc
*
* Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org>
*
* GNU Library General Public License (LGPL) version 2 or later.
*/
#define sysconf __sysconf
#include "syscalls.h"
#include <stdlib.h>
#include <unistd.h>
#include <grp.h>
#define __NR___syscall_setgroups __NR_setgroups
static inline _syscall2(int, __syscall_setgroups,
size_t, size, const __kernel_gid_t *, list);
int attribute_hidden __setgroups(size_t size, const gid_t *groups)
{
if (size > (size_t) sysconf(_SC_NGROUPS_MAX)) {
ret_error:
__set_errno(EINVAL);
return -1;
} else {
size_t i;
__kernel_gid_t *kernel_groups;
kernel_groups = (__kernel_gid_t *)malloc(sizeof(*kernel_groups) * size);
if (kernel_groups == NULL)
goto ret_error;
for (i = 0; i < size; i++) {
kernel_groups[i] = (groups)[i];
if (groups[i] != (gid_t) ((__kernel_gid_t) groups[i])) {
goto ret_error;
}
}
i = __syscall_setgroups(size, kernel_groups);
free(kernel_groups);
return i;
}
}
strong_alias(__setgroups,setgroups)
|
