From 5ae4ea4f76cc4abe61974ebc8caa5aaad96b1a60 Mon Sep 17 00:00:00 2001
From: patty5531998 <44307724+patty5531998@users.noreply.github.com>
Date: Thu, 9 May 2024 03:18:09 +0800
Subject: [PATCH] Update sol.py

---
 lab7/sol.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/lab7/sol.py b/lab7/sol.py
index e69de29b..59560bf9 100644
--- a/lab7/sol.py
+++ b/lab7/sol.py
@@ -0,0 +1,16 @@
+import angr, sys
+
+proj = angr.Project("./login")
+
+init_state = proj.factory.entry_state()
+simulation = proj.factory.simgr(init_state)
+simulation.explore(find=success_condition, avoid=fail_condition)
+
+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())
+
+solution = simulation.found[0]
+print(solution.posix.dumps(sys.stdin.fileno()))