From: Bernard Blackham <dagobah@ucc.gu.uwa.edu.au>
Date: Sun, 1 Aug 2004 06:05:27 +0000 (+0000)
Subject: Only su if we're root.
X-Git-Url: https://git.ucc.asn.au/?p=zanchey%2Fdispense2.git;a=commitdiff_plain;h=080a4622cf40b8183448cb21d24b397dc55a5cef

Only su if we're root.
---

diff --git a/sql-edition/servers/VendServer.py b/sql-edition/servers/VendServer.py
index 4e0b16c..cad1c39 100755
--- a/sql-edition/servers/VendServer.py
+++ b/sql-edition/servers/VendServer.py
@@ -15,6 +15,7 @@ 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: