oublis de fichiers divers et symlinks for testlibs

impression/digicode_server.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python
+
+import time
+import os
+import sys
+import SocketServer
+
+CODES = "/var/impression/codes"
+PIDFILE = "/var/run/digicode.pid"
+HOST, PORT = "zamok.adm.crans.org", 1200
+
+def log(message = "", logfile = "/var/log/crans/digicode.log"):
+    """Log a message to the default logfile"""
+    log = open(logfile, "a")
+    if message:
+        log.write("%s %s\n" % (time.strftime("%b %d %H:%M:%S"), message))
+        log.flush()
+    log.close()
+
+def runme():
+    os.chdir(CODES)
+
+    #lpadmin
+    os.setegid(108)
+    #freerad
+    os.seteuid(120)
+
+    log("Starting server!")
+    server = SocketServer.UDPServer((HOST, PORT), VigileHandler)
+    server.serve_forever()
+
+
+class VigileHandler(SocketServer.BaseRequestHandler):
+    """Handler class for SocketServers, answering to door requests"""
+    def handle(self):
+        """Handle the request the door sent us"""
+        data = self.request[0].lower()
+        socket = self.request[1]
+        log("%s wrote: %s" % (self.client_address[0], data))
+
+        # if data starts with o, opened door validation, else should
+        # be a code
+        if not data.startswith("o"):
+            valide, contents = self.check_code(data)
+            if valide:
+                socket.sendto("passoir,o=1", self.client_address)
+                log("valid code! (%s)" % contents.strip())
+            
+    def check_code(self, data):
+        """Check the given code against the available codes list."""
+        path = os.path.join(CODES, data)
+        if os.path.exists(path):
+            contents = open(path).read()
+            os.remove(path)
+            return True, contents
+        return False, ""
+
+if __name__ == "__main__":
+    # do the UNIX double-fork magic, see Stevens' "Advanced
+    # Programming in the UNIX Environment" for details (ISBN 0201563177)
+    try:
+        pid = os.fork()
+        if pid > 0:
+            # exit first parent
+            sys.exit(0)
+    except OSError, e:
+        print >>sys.stderr, "fork #1 failed: %d (%s)" % (e.errno, e.strerror)
+        sys.exit(1)
+
+    # decouple from parent environment
+    os.chdir("/")   #don't prevent unmounting....
+    os.setsid()
+    os.umask(0)
+
+    # do second fork
+    try:
+        pid = os.fork()
+        if pid > 0:
+            # exit from second parent, print eventual PID before
+            #print "Daemon PID %d" % pid
+            open(PIDFILE,'w').write("%d"%pid)
+            sys.exit(0)
+    except OSError, e:
+        print >>sys.stderr, "fork #2 failed: %d (%s)" % (e.errno, e.strerror)
+        sys.exit(1)
+
+    # start the daemon main loop
+    runme()