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[zanchey/dispense2.git] / sql-edition / servers / VendServer.py
index 4e0b16c..8d1f432 100755 (executable)
@@ -4,7 +4,8 @@
 USE_DB = 0
 
 import ConfigParser
-import sys, os, string, re, pwd
+import sys, os, string, re, pwd, signal
+from traceback import print_tb
 if USE_DB: import pg
 from time import time, sleep
 from popen2 import popen2
@@ -14,7 +15,7 @@ from HorizScroll import HorizScroll
 from random import random, seed
 from Idler import TrainIdler,GrayIdler
 import socket
-from traceback import print_tb
+from posix import geteuid
 
 GREETING = 'UCC SNACKS'
 PIN_LENGTH = 4
@@ -340,7 +341,10 @@ def run_forever(rfh, wfh, options, cf):
                                        # XXX this should move somewhere else:
                                        if cur_selection == '55':
                                                mk.set_message('OPENSESAME')
-                                               ret = os.system('su - "%s" -c "dispense door"'%username)
+                                               if geteuid() == 0:
+                                                       ret = os.system('su - "%s" -c "dispense door"'%username)
+                                               else:
+                                                       ret = os.system('dispense door')
                                                if ret == 0:
                                                        mk.set_message(center('DOOR OPEN'))
                                                else:
@@ -444,13 +448,17 @@ def do_vend_server():
                        print
                        print "Connection died, trying again..."
 
-
 if __name__ == '__main__':
+       def do_nothing(signum, stack): pass
+       def stop_server(signum, stack): raise KeyboardInterrupt
+       signal.signal(signal.SIGHUP, do_nothing)
+       signal.signal(signal.SIGTERM, stop_server)
+       signal.signal(signal.SIGINT, stop_server)
        while True:
                try:
                        do_vend_server()
                except KeyboardInterrupt:
-                       print "Killed by SIGINT."
+                       print "Killed by signal."
                        break
                except:
                        (exc_type, exc_value, exc_traceback) = sys.exc_info()

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