Release 4.7 tools/testing/selftests/capabilities/validate_cap.c
#include <cap-ng.h>
#include <err.h>
#include <linux/capability.h>
#include <stdbool.h>
#include <string.h>
#include <stdio.h>
#include <sys/prctl.h>
#include <sys/auxv.h>
#ifndef PR_CAP_AMBIENT
#define PR_CAP_AMBIENT 47
# define PR_CAP_AMBIENT_IS_SET 1
# define PR_CAP_AMBIENT_RAISE 2
# define PR_CAP_AMBIENT_LOWER 3
# define PR_CAP_AMBIENT_CLEAR_ALL 4
#endif
#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
errx(1, "wrong argv[%d]", i);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| andy lutomirski | andy lutomirski | 57 | 100.00% | 1 | 100.00% |
| Total | 57 | 100.00% | 1 | 100.00% |
int main(int argc, char **argv)
{
const char *atsec = "";
/*
* Be careful just in case a setgid or setcapped copy of this
* helper gets out.
*/
if (argc != 5)
errx(1, "wrong argc");
#ifdef HAVE_GETAUXVAL
if (getauxval(AT_SECURE))
atsec = " (AT_SECURE is set)";
else
atsec = " (AT_SECURE is not set)";
#endif
capng_get_caps_process();
if (capng_have_capability(CAPNG_EFFECTIVE, CAP_NET_BIND_SERVICE) != bool_arg(argv, 1)) {
printf("[FAIL]\tWrong effective state%s\n", atsec);
return 1;
}
if (capng_have_capability(CAPNG_PERMITTED, CAP_NET_BIND_SERVICE) != bool_arg(argv, 2)) {
printf("[FAIL]\tWrong permitted state%s\n", atsec);
return 1;
}
if (capng_have_capability(CAPNG_INHERITABLE, CAP_NET_BIND_SERVICE) != bool_arg(argv, 3)) {
printf("[FAIL]\tWrong 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)) {
printf("[FAIL]\tWrong ambient state%s\n", atsec);
return 1;
}
printf("[OK]\tCapabilities after execve were correct\n");
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| andy lutomirski | andy lutomirski | 186 | 100.00% | 1 | 100.00% |
| Total | 186 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| andy lutomirski | andy lutomirski | 312 | 100.00% | 1 | 100.00% |
| Total | 312 | 100.00% | 1 | 100.00% |
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