ucdavis-ecs189m

commit 429fa2f0b41c92740c74014c77d3c85c0abdc149
parent 1342ecbebdd6c5d10b9233c7ca4c6d2ef627f8c4
Author: therealFIGBERT <figbertwelner@gmail.com>
Date:   Fri,  4 Oct 2019 14:16:07 -0700

Schoolday's work 4/10/2019

Diffstat:
M
third_flag.py
 | 
37
+++++++++++++++++--------------------

1 file changed, 17 insertions(+), 20 deletions(-)
diff --git a/third_flag.py b/third_flag.py
@@ -32,6 +32,8 @@ previous_mid = current_mid
 alphabet = master_alphabet
 passkey = ""
 previous_pass = ""
+response = None
+previous_response = None
 cracked = False
 flipped = False
 start = 0
@@ -39,14 +41,15 @@ start = 0
 conn = remote("twinpeaks.cs.ucdavis.edu", 30004)
 print(conn.recv())
 passkey = pass_gen(first=True, char=alphabet[current_mid])
-conn.sendline(passkey)
-print("Current letters:\n%s"%alphabet)
-print("Pass sent as:\n%s"%passkey)
-response = conn.recvline_contains(b"strcmp")
-last_response_was_small = True if b" -1 " in response else False
-print("Server response:\n%s"%response)
 while not cracked:
     while not flipped:
+        conn.sendline(passkey)
+        print("Current letters:\n%s"%alphabet)
+        print("Pass sent as:\n%s"%passkey)
+        previous_response = response if response is not None else None
+        response = conn.recvline_contains(b"strcmp")
+        print("Server response:\n%s"%response)
+        last_response_was_small = True if b" -1 " in response else False
         if b" -1 " in response:
             alphabet = alphabet[current_mid:]
             previous_mid = current_mid
@@ -57,8 +60,6 @@ while not cracked:
                 flipped = False
             else:
                 flipped = True
-            last_response_was_small = True
-            print("\nDEBUG:\nflipped: {}\nlast_response_was_small: {}\nstart: {}\n".format(flipped, last_response_was_small, start))
         elif b" 1 " in response:
             alphabet = alphabet[:current_mid]
             previous_mid = current_mid
@@ -69,19 +70,15 @@ while not cracked:
                 flipped = True
             else:
                 flipped = False
-            last_response_was_small = False
-            print("\nDEBUG:\nflipped: {}\nlast_response_was_small: {}\nstart: {}\n".format(flipped, last_response_was_small, start))
         else:
             print("Password cracked as: %s"%passkey)
             cracked = True
             conn.interactive()
-        conn.sendline(passkey)
-        print("Current letters:\n%s"%alphabet)
-        print("Pass sent as:\n%s"%passkey)
-        response = conn.recvline_contains(b"strcmp")
-        print("Server response:\n%s"%response)
-    passkey = previous_pass
-    alphabet = master_alphabet[previous_mid:current_mid]
+    # while len(alphabet) > 1:
+    flipped = False
+    alphabet = master_alphabet
     current_mid = find_middle(alphabet)
-    start += 1
-    flipped = False
-\ No newline at end of file
+    if not last_response_was_small:
+        response = previous_response
+        passkey = previous_pass
+    start += 1
+\ No newline at end of file