Безопасность компьютерных систем 2017/SECCOMP

Тестовый пример 2

1. include <stdio.h>
2. include <seccomp.h>
3. include <unistd.h>
4. include <sys/fcntl.h>
5. include <errno.h>

int main() {

   pid_t pid;

   scmp_filter_ctx ctx = seccomp_init(SCMP_ACT_TRAP);

   seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(read), 0);
   seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(write), 0);
   seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(sigreturn), 0);
   seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(exit_group), 0);

   printf ("No restrictions yet\n");

   seccomp_load(ctx);
   pid = getpid();

   printf("!! YOU SHOULD NOT SEE THIS!! My PID is%d\n", pid);

   return 0;

}