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Additional checks related to cloning/forking

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This commit is contained in:
jD91mZM2
2020-06-15 17:17:09 +02:00
parent 0aa7ee8007
commit 79ca7e8841
1 changed files with 8 additions and 4 deletions
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12
src/main.rs
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@@ -317,18 +317,22 @@ pub fn ptrace() -> Result<(), String> {
assert!((f - 5.65685424949238).abs() < std::f64::EPSILON);
println!("Testing fork event");
e(next(&mut tracer, Flags::STOP_PRE_SYSCALL | Flags::EVENT_CLONE))?;
assert_eq!(e(e(next(&mut tracer, Flags::STOP_PRE_SYSCALL | Flags::EVENT_CLONE))?.regs.get_int())?.rax, syscall::SYS_CLONE);
let mut handler = e(tracer.next_event(Flags::STOP_POST_SYSCALL | Flags::EVENT_CLONE))?;
let event = e(e(handler.pop_one())?.ok_or("Expected event but none occured"))?;
match event.data {
EventData::EventClone(pid) => println!("Obtained fork (PID {})", pid),
let clone_pid = match event.data {
EventData::EventClone(pid) => {
println!("Obtained fork (PID {})", pid);
pid
},
ref e => return Err(format!("Wrong event type: {:?}", e))
}
};
e(handler.retry())?;
let event = e(e(handler.pop_one())?.ok_or("Expected event but none occured"))?;
assert_eq!(event.cause, Flags::STOP_POST_SYSCALL);
assert_eq!(e(tracer.regs.get_int())?.rax, clone_pid);
println!("Testing fork event - but actually handling the fork");
assert_eq!(e(e(next(&mut tracer, Flags::STOP_PRE_SYSCALL | Flags::EVENT_CLONE))?.regs.get_int())?.rax, syscall::SYS_WAITPID);