From 332a5c2553db41de777473a1e1be9cd1522c9496 Mon Sep 17 00:00:00 2001
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Date: Thu, 31 Mar 2016 18:54:41 +0100
Subject: Move the src directory to poezio, for better cython compatibility.

---
 poezio/daemon.py | 82 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100755 poezio/daemon.py

(limited to 'poezio/daemon.py')

diff --git a/poezio/daemon.py b/poezio/daemon.py
new file mode 100755
index 00000000..6325d8df
--- /dev/null
+++ b/poezio/daemon.py
@@ -0,0 +1,82 @@
+#/usr/bin/env python3
+# Copyright 2011 Florent Le Coz <louiz@louiz.org>
+#
+# This file is part of Poezio.
+#
+# Poezio is free software: you can redistribute it and/or modify
+# it under the terms of the zlib license. See the COPYING file.
+
+"""
+This file is a standalone program that reads commands on
+stdin and executes them (each line should be a command).
+
+Usage: cat some_fifo | ./daemon.py
+
+Poezio writes commands in the fifo, and this daemon executes them on the
+local machine.
+Note that you should not start this daemon if you do not trust the remote
+machine that is running poezio, since this could make it run any (dangerous)
+command on your local machine.
+"""
+
+import sys
+import threading
+import subprocess
+import shlex
+import logging
+
+from subprocess import DEVNULL
+
+log = logging.getLogger(__name__)
+
+class Executor(threading.Thread):
+    """
+    Just a class to execute commands in a thread.  This way, the execution
+    can totally fail, we don’t care, and we can start commands without
+    having to wait for them to return.
+    WARNING: Be careful to properly escape what is untrusted by using
+    pipes.quote (or shlex.quote with python 3.3) for example.
+    """
+    def __init__(self, command, remote=False):
+        threading.Thread.__init__(self)
+        self.command = command
+        self.remote = remote
+        # check for > or >> special case
+        self.filename = None
+        self.redirection_mode = 'w'
+        if len(command) >= 3:
+            if command[-2] in ('>', '>>'):
+                self.filename = command.pop(-1)
+                if command[-1] == '>>':
+                    self.redirection_mode = 'a'
+                command.pop(-1)
+
+    def run(self):
+        log.debug('executing %s', self.command)
+        stdout = DEVNULL
+        if self.filename:
+            try:
+                stdout = open(self.filename, self.redirection_mode)
+            except (OSError, IOError):
+                log.error('Could not open redirection file: %s', self.filename, exc_info=True)
+                return
+        try:
+            subprocess.call(self.command, stdout=stdout, stderr=DEVNULL)
+        except:
+            if self.remote:
+                import traceback
+                print(traceback.format_exc())
+            else:
+                log.error('Could not execute %s:', self.command, exc_info=True)
+
+def main():
+    while True:
+        line = sys.stdin.readline()
+        if line == '':
+            break
+        command = shlex.split(line)
+        e = Executor(command, remote=True)
+        e.start()
+
+if __name__ == '__main__':
+    main()
-- 
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