| #ifdef HAVE_CONFIG_H |
| # include "config.h" |
| #endif |
| #include <assert.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <sys/syscall.h> |
| |
| int |
| main(void) |
| { |
| #if defined(__NR_getuid) \ |
| && defined(__NR_setuid) \ |
| && defined(__NR_getresuid) \ |
| && defined(__NR_setreuid) \ |
| && defined(__NR_setresuid) \ |
| && defined(__NR_chown) \ |
| && defined(__NR_getgroups) \ |
| \ |
| && defined(__NR_getuid32) \ |
| && defined(__NR_setuid32) \ |
| && defined(__NR_getresuid32) \ |
| && defined(__NR_setreuid32) \ |
| && defined(__NR_setresuid32) \ |
| && defined(__NR_chown32) \ |
| && defined(__NR_getgroups32) \ |
| \ |
| && __NR_getuid != __NR_getuid32 \ |
| && __NR_setuid != __NR_setuid32 \ |
| && __NR_getresuid != __NR_getresuid32 \ |
| && __NR_setreuid != __NR_setreuid32 \ |
| && __NR_setresuid != __NR_setresuid32 \ |
| && __NR_chown != __NR_chown32 \ |
| && __NR_getgroups != __NR_getgroups32 \ |
| /**/ |
| int r, e, s; |
| int size; |
| int *list = 0; |
| |
| e = syscall(__NR_getuid); |
| assert(syscall(__NR_setuid, e) == 0); |
| assert(syscall(__NR_getresuid, &r, &e, &s) == 0); |
| assert(syscall(__NR_setreuid, -1, 0xffff) == 0); |
| assert(syscall(__NR_setresuid, -1, e, 0xffff) == 0); |
| assert(syscall(__NR_chown, ".", -1, 0xffff) == 0); |
| assert((size = syscall(__NR_getgroups, 0, list)) >= 0); |
| assert(list = calloc(size + 1, sizeof(*list))); |
| assert(syscall(__NR_getgroups, size, list) == size); |
| return 0; |
| #else |
| return 77; |
| #endif |
| } |