Client should always sleep after errors

pwncollege · Feb 25, 2025 · a121920 · a121920
1 parent 52c6b48
commit a121920
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Showing 11 changed files with 11 additions and 14 deletions.
diff --git a/intercepting-communication/dos-1/run b/intercepting-communication/dos-1/run
@@ -27,10 +27,10 @@ class ServerHost(Host):
 class ClientHost(Host):
     def entrypoint(self):
         while True:
+            time.sleep(1)
             try:
                 with socket.create_connection(("10.0.0.2", 31337), timeout=1) as client_socket:
                     client_socket.sendall(b"Hello, World!\n")
-                time.sleep(1)
             except (TimeoutError, socket.timeout):
                 print(flag, flush=True)
                 break

diff --git a/intercepting-communication/firewall-1/run b/intercepting-communication/firewall-1/run
@@ -40,10 +40,10 @@ class ServerHost(Host):
 class ClientHost(Host):
     def entrypoint(self):
         while True:
+            time.sleep(1)
             try:
                 with socket.create_connection(("10.0.0.1", 31337)) as client_socket:
                     client_socket.sendall(b"Hello, World!\n")
-                time.sleep(1)
             except (OSError, ConnectionError, TimeoutError):
                 continue
 

diff --git a/intercepting-communication/firewall-2/run b/intercepting-communication/firewall-2/run
@@ -44,10 +44,10 @@ class ServerHost(Host):
 class ClientHost(Host):
     def entrypoint(self):
         while True:
+            time.sleep(1)
             try:
                 with socket.create_connection(("10.0.0.1", 31337)) as client_socket:
                     client_socket.sendall(b"Hello, World!\n")
-                time.sleep(1)
             except (OSError, ConnectionError, TimeoutError):
                 continue
 

diff --git a/intercepting-communication/level-13/run b/intercepting-communication/level-13/run
@@ -13,12 +13,12 @@ parent_process = psutil.Process(os.getppid())
 class ClientHost(Host):
     def entrypoint(self):
         while True:
+            time.sleep(1)
             try:
                 client_socket = socket.socket()
                 client_socket.connect(("10.0.0.3", 31337))
                 client_socket.sendall(flag.encode())
                 client_socket.close()
-                time.sleep(1)
             except (OSError, ConnectionError, TimeoutError):
                 continue
 

diff --git a/intercepting-communication/level-2/run b/intercepting-communication/level-2/run
@@ -13,12 +13,12 @@ parent_process = psutil.Process(os.getppid())
 class ClientHost(Host):
     def entrypoint(self):
         while True:
+            time.sleep(1)
             try:
                 client_socket = socket.socket()
                 client_socket.connect(("10.0.0.1", 31337))
                 client_socket.sendall(flag.encode())
                 client_socket.close()
-                time.sleep(1)
             except (ConnectionError, TimeoutError):
                 continue
 

diff --git a/intercepting-communication/level-5/run b/intercepting-communication/level-5/run
@@ -13,12 +13,12 @@ parent_process = psutil.Process(os.getppid())
 class ClientHost(Host):
     def entrypoint(self):
         while True:
+            time.sleep(1)
             try:
                 client_socket = socket.socket()
                 client_socket.connect(("10.0.0.2", 31337))
                 client_socket.sendall(flag.encode())
                 client_socket.close()
-                time.sleep(1)
             except (ConnectionError, TimeoutError):
                 continue
 

diff --git a/intercepting-communication/level-6/run b/intercepting-communication/level-6/run
@@ -13,14 +13,14 @@ parent_process = psutil.Process(os.getppid())
 class ClientHost(Host):
     def entrypoint(self):
         while True:
+            time.sleep(1)
             try:
                 client_socket = socket.socket()
                 client_socket.connect(("10.0.0.2", 31337))
                 for c in flag:
                     client_socket.sendall(c.encode())
                     time.sleep(1)
                 client_socket.close()
-                time.sleep(1)
             except (ConnectionError, TimeoutError):
                 continue
 

diff --git a/intercepting-communication/level-7/run b/intercepting-communication/level-7/run
@@ -13,12 +13,12 @@ parent_process = psutil.Process(os.getppid())
 class ClientHost(Host):
     def entrypoint(self):
         while True:
+            time.sleep(1)
             try:
                 client_socket = socket.socket()
                 client_socket.connect(("10.0.0.3", 31337))
                 client_socket.sendall(flag.encode())
                 client_socket.close()
-                time.sleep(1)
             except (OSError, ConnectionError, TimeoutError):
                 continue
 

diff --git a/intercepting-communication/udp-spoof-host-2/run b/intercepting-communication/udp-spoof-host-2/run
@@ -27,14 +27,13 @@ class ClientHost(Host):
         client_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
         client_socket.bind(("0.0.0.0", 31338))
         while True:
+            time.sleep(1)
             try:
                 client_socket.sendto(b"ACTION?", ("10.0.0.3", 31337))
                 message, (peer_host, peer_port) = client_socket.recvfrom(1024)
                 if peer_port == 31337 and message.startswith(b"FLAG"):
                     _, flag_host, flag_port = message.strip().split(b":")
                     client_socket.sendto(flag.encode(), (flag_host, int(flag_port)))
-
-                time.sleep(1)
             except (ConnectionError, ValueError):
                 continue
 

diff --git a/intercepting-communication/udp-spoof-host-3/run b/intercepting-communication/udp-spoof-host-3/run
@@ -26,14 +26,13 @@ class ClientHost(Host):
     def entrypoint(self):
         client_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
         while True:
+            time.sleep(1)
             try:
                 client_socket.sendto(b"ACTION?", ("10.0.0.3", 31337))
                 message, (peer_host, peer_port) = client_socket.recvfrom(1024)
                 if peer_port == 31337 and message.startswith(b"FLAG"):
                     _, flag_host, flag_port = message.strip().split(b":")
                     client_socket.sendto(flag.encode(), (flag_host, int(flag_port)))
-
-                time.sleep(1)
             except (ConnectionError, ValueError):
                 continue
 

diff --git a/intercepting-communication/udp-spoof-host-4/run b/intercepting-communication/udp-spoof-host-4/run
@@ -26,14 +26,13 @@ class ClientHost(Host):
     def entrypoint(self):
         client_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
         while True:
+            time.sleep(1)
             try:
                 client_socket.sendto(b"ACTION?", ("10.0.0.3", 31337))
                 message, (peer_host, peer_port) = client_socket.recvfrom(1024)
                 if peer_host == "10.0.0.3" and peer_port == 31337 and message.startswith(b"FLAG"):
                     _, flag_host, flag_port = message.strip().split(b":")
                     client_socket.sendto(flag.encode(), (flag_host, int(flag_port)))
-
-                time.sleep(1)
             except (ConnectionError, ValueError):
                 continue