Merge pull request #604 from Otmeal/lab7

[LAB7] 111550054

Author: TaiYou-TW

Diff for: lab7/sol.py

@@ -0,0 +1,17 @@
+import angr,sys
+project = angr.Project('./login')
+init_state = project.factory.entry_state()
+simulation = project.factory.simgr(init_state)
+
+def success_condition(state):
+    return b"Login successful" in state.posix.dumps(sys.stdout.fileno())
+
+def fail_condition(state):
+    return b"Login failed" in state.posix.dumps(sys.stdout.fileno())
+
+simulation.explore(find=success_condition, avoid=fail_condition)
+
+solution_state = simulation.found[0]
+
+print (solution_state.posix.dumps(sys.stdin.fileno()))
+