update lab7

SQLab · May 7, 2024 · 72cf8d1 · 72cf8d1
1 parent e0484c3
commit 72cf8d1
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/lab7/sol.py b/lab7/sol.py
@@ -0,0 +1,11 @@
+import angr, sys
+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())
+proj = angr.Project('./login')
+init_state = proj.factory.entry_state()
+simulation = proj.factory.simgr(init_state)
+simulation.explore(find=success_condition, avoid=fail_condition)
+solution = simulation.found[0]
+print(solution.posix.dumps(sys.stdin.fileno()))