[run_in_new_terminal] Create a wrapper script automatically if we are…

… given a list or tuple (#1839)

* [run_in_new_terminal] Create a wrapper script automatically if we are given a list or tuple

* Update CHANGELOG

CHANGELOG.md

@@ -69,6 +69,7 @@ The table below shows which release corresponds to each branch, and what date th
 - [#1780][1780] Re-add Python2 to the official Dockerfile
 - [#1941][1941] Disable all Android tests, `pwnlib.adb` is no longer supported in CI
 - [#1811][1811] Remove unnecessary `pwn.toplevel.__all__`
+- [#1839][1839] run_in_new_terminal now creates a runner script if given a list or tuple
 
 [1261]: https://github.com/Gallopsled/pwntools/pull/1261
 [1695]: https://github.com/Gallopsled/pwntools/pull/1695
@@ -78,8 +79,10 @@ The table below shows which release corresponds to each branch, and what date th
 [1757]: https://github.com/Gallopsled/pwntools/pull/1757
 [1758]: https://github.com/Gallopsled/pwntools/pull/1758
 [1780]: https://github.com/Gallopsled/pwntools/pull/1780
+
 [1941]: https://github.com/Gallopsled/pwntools/pull/1941
 [1811]: https://github.com/Gallopsled/pwntools/pull/1811
+[1839]: https://github.com/Gallopsled/pwntools/pull/1839
 
 ## 4.4.0 (`beta`)
 

pwnlib/util/misc.py

@@ -10,6 +10,8 @@
 import stat
 import string
 import subprocess
+import sys
+import tempfile
 
 from pwnlib import atexit
 from pwnlib.context import context
@@ -261,9 +263,26 @@ def run_in_new_terminal(command, terminal=None, args=None, kill_at_exit=True, pr
             log.error("Cannot use commands with semicolon.  Create a script and invoke that directly.")
         argv += [command]
     elif isinstance(command, (list, tuple)):
-        if any(';' in c for c in command):
-            log.error("Cannot use commands with semicolon.  Create a script and invoke that directly.")
-        argv += list(command)
+        # Dump the full command line to a temporary file so we can be sure that
+        # it is parsed correctly, and we do not need to account for shell expansion
+        script = '''
+#!{executable!s}
+import os
+os.execve({argv0!r}, {argv!r}, os.environ)
+'''
+        script = script.format(executable=sys.executable,
+                               argv=command,
+                               argv0=which(command[0]))
+        script = script.lstrip()
+
+        log.debug("Created script for new terminal:\n%s" % script)
+
+        with tempfile.NamedTemporaryFile(delete=False, mode='wt+') as tmp:
+          tmp.write(script)
+          tmp.flush()
+          os.chmod(tmp.name, 0o700)
+          argv += [tmp.name]
+
 
     log.debug("Launching a new terminal: %r" % argv)