Contributors: 4
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Andrew Lutomirski |
273 |
87.50% |
1 |
20.00% |
Shuah Khan |
24 |
7.69% |
2 |
40.00% |
Amer Al Shanawany |
14 |
4.49% |
1 |
20.00% |
Greg Kroah-Hartman |
1 |
0.32% |
1 |
20.00% |
Total |
312 |
|
5 |
|
// SPDX-License-Identifier: GPL-2.0
#include <cap-ng.h>
#include <linux/capability.h>
#include <stdbool.h>
#include <string.h>
#include <stdio.h>
#include <sys/prctl.h>
#include <sys/auxv.h>
#include "../kselftest.h"
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19)
# define HAVE_GETAUXVAL
#endif
static bool bool_arg(char **argv, int i)
{
if (!strcmp(argv[i], "0"))
return false;
else if (!strcmp(argv[i], "1"))
return true;
else {
ksft_exit_fail_msg("wrong argv[%d]\n", i);
return false;
}
}
int main(int argc, char **argv)
{
const char *atsec = "";
int ret;
/*
* Be careful just in case a setgid or setcapped copy of this
* helper gets out.
*/
if (argc != 5)
ksft_exit_fail_msg("wrong argc\n");
#ifdef HAVE_GETAUXVAL
if (getauxval(AT_SECURE))
atsec = " (AT_SECURE is set)";
else
atsec = " (AT_SECURE is not set)";
#endif
ret = capng_get_caps_process();
if (ret == -1) {
ksft_print_msg("capng_get_caps_process failed\n");
return 1;
}
if (capng_have_capability(CAPNG_EFFECTIVE, CAP_NET_BIND_SERVICE) != bool_arg(argv, 1)) {
ksft_print_msg("Wrong effective state%s\n", atsec);
return 1;
}
if (capng_have_capability(CAPNG_PERMITTED, CAP_NET_BIND_SERVICE) != bool_arg(argv, 2)) {
ksft_print_msg("Wrong permitted state%s\n", atsec);
return 1;
}
if (capng_have_capability(CAPNG_INHERITABLE, CAP_NET_BIND_SERVICE) != bool_arg(argv, 3)) {
ksft_print_msg("Wrong inheritable state%s\n", atsec);
return 1;
}
if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_IS_SET, CAP_NET_BIND_SERVICE, 0, 0, 0) != bool_arg(argv, 4)) {
ksft_print_msg("Wrong ambient state%s\n", atsec);
return 1;
}
ksft_print_msg("%s: Capabilities after execve were correct\n",
"validate_cap:");
return 0;
}