| Dmitry V. Levin | 80f7db1 | 2014-12-13 21:49:01 +0000 | [diff] [blame^] | 1 | #ifdef HAVE_CONFIG_H |
| 2 | # include "config.h" |
| 3 | #endif |
| 4 | #include <assert.h> |
| 5 | #include <unistd.h> |
| 6 | #include <sys/syscall.h> |
| 7 | |
| 8 | int |
| 9 | main(void) |
| 10 | { |
| 11 | #if defined(__NR_getuid) \ |
| 12 | && defined(__NR_setuid) \ |
| 13 | && defined(__NR_getresuid) \ |
| 14 | && defined(__NR_setreuid) \ |
| 15 | && defined(__NR_setresuid) \ |
| 16 | && defined(__NR_chown) \ |
| 17 | \ |
| 18 | && defined(__NR_getuid32) \ |
| 19 | && defined(__NR_setuid32) \ |
| 20 | && defined(__NR_getresuid32) \ |
| 21 | && defined(__NR_setreuid32) \ |
| 22 | && defined(__NR_setresuid32) \ |
| 23 | && defined(__NR_chown32) \ |
| 24 | \ |
| 25 | && __NR_getuid != __NR_getuid32 \ |
| 26 | && __NR_setuid != __NR_setuid32 \ |
| 27 | && __NR_getresuid != __NR_getresuid32 \ |
| 28 | && __NR_setreuid != __NR_setreuid32 \ |
| 29 | && __NR_setresuid != __NR_setresuid32 \ |
| 30 | && __NR_chown != __NR_chown32 \ |
| 31 | /**/ |
| 32 | uid_t r, e, s; |
| 33 | |
| 34 | e = syscall(__NR_getuid); |
| 35 | assert(syscall(__NR_setuid, e) == 0); |
| 36 | assert(syscall(__NR_getresuid, &r, &e, &s) == 0); |
| 37 | assert(syscall(__NR_setreuid, -1, 0xffff) == 0); |
| 38 | assert(syscall(__NR_setresuid, -1, e, 0xffff) == 0); |
| 39 | assert(syscall(__NR_chown, ".", -1, 0xffff) == 0); |
| 40 | return 0; |
| 41 | #else |
| 42 | return 77; |
| 43 | #endif |
| 44 | } |