Support starting a kitty debugging window with the 'kitten' command

CHANGELOG.md

@@ -73,7 +73,9 @@ The table below shows which release corresponds to each branch, and what date th
 | [2.2.0](#220)    |          | Jan 5, 2015
 
 ## 5.0.0 (`dev`)
+- [#2522][2522] Support starting a kitty debugging window with the 'kitten' command
 
+[2522]: https://github.com/Gallopsled/pwntools/pull/2522
 
 ## 4.15.0 (`beta`)
 - [#2508][2508] Ignore a warning when compiling with asm on nix

pwnlib/util/misc.py

@@ -1,5 +1,6 @@
 from __future__ import division
 
+import json
 import base64
 import errno
 import os
@@ -450,13 +451,11 @@ def run_in_new_terminal(command, terminal=None, args=None, kill_at_exit=True, pr
     log.debug("Launching a new terminal: %r" % argv)
 
     stdin = stdout = stderr = open(os.devnull, 'r+b')
-    if terminal == 'tmux' or terminal == 'kitty':
+    if terminal == 'tmux' or terminal in ('kitty', 'kitten'):
         stdout = subprocess.PIPE
 
     p = subprocess.Popen(argv, stdin=stdin, stdout=stdout, stderr=stderr, preexec_fn=preexec_fn)
 
-    kittyid = None
-
     if terminal == 'tmux':
         out, _ = p.communicate()
         try:
@@ -469,16 +468,24 @@ def run_in_new_terminal(command, terminal=None, args=None, kill_at_exit=True, pr
         with subprocess.Popen((qdbus, konsole_dbus_service, '/Sessions/{}'.format(last_konsole_session),
                                'org.kde.konsole.Session.processId'), stdout=subprocess.PIPE) as proc:
             pid = int(proc.communicate()[0].decode())
-    elif terminal == 'kitty':
-        pid = p.pid
-
+    elif terminal in ('kitty', 'kitten'):
+        pid = None
         out, _ = p.communicate()
         try:
             kittyid = int(out)
         except ValueError:
             kittyid = None
         if kittyid is None:
             log.error("Could not parse kitty window ID from output (%r)", out)
+        else:
+            lsout, _ = subprocess.Popen(["kitten", "@", "ls", "--match", "id:%d" % kittyid], stdin=stdin, stdout=stdout, stderr=stderr).communicate()
+            try:
+                lsj = json.loads(lsout)
+                pid = int(lsj[0]["tabs"][0]["windows"][0]["pid"])
+            except json.JSONDecodeError as e:
+                pid = None
+                log.error("Json decode failed while parsing 'kitten @ ls' output (%r) (error: %r)", lsout, e)
+
     elif terminal == 'cmd.exe':
         # p.pid is cmd.exe's pid instead of the WSL process we want to start eventually.
         # I don't know how to trace the execution through Windows and back into the WSL2 VM.
@@ -503,8 +510,6 @@ def kill():
             try:
                 if terminal == 'qdbus':
                     os.kill(pid, signal.SIGHUP)
-                elif terminal == 'kitty':
-                    subprocess.Popen(["kitten", "@", "close-window", "--match", "id:{}".format(kittyid)], stderr=stderr)
                 else:
                     os.kill(pid, signal.SIGTERM)
             except OSError: