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#!/usr/bin/env python
#
# Get or set the security descriptor on a printer
#
import sys, spoolss, re, string
if len(sys.argv) != 3:
print "Usage: psec.py getsec|setsec printername"
sys.exit(1)
op = sys.argv[1]
printername = sys.argv[2]
# Display security descriptor
if op == "getsec":
try:
hnd = spoolss.openprinter(printername)
except:
print "error opening printer %s" % printername
sys.exit(1)
secdesc = hnd.getprinter(level = 3)["security_descriptor"]
print secdesc["owner_sid"]
print secdesc["group_sid"]
for acl in secdesc["dacl"]["ace_list"]:
print "%d %d 0x%08x %s" % (acl["type"], acl["flags"],
acl["mask"], acl["trustee"])
spoolss.closeprinter(hnd)
sys.exit(0)
# Set security descriptor
if op == "setsec":
# Open printer
try:
hnd = spoolss.openprinter(printername,
creds = {"domain": "NPSD-TEST2",
"username": "Administrator",
"password": "penguin"})
except:
print "error opening printer %s" % printername
sys.exit(1)
# Read lines from standard input and build security descriptor
lines = sys.stdin.readlines()
secdesc = {}
secdesc["owner_sid"] = lines[0]
secdesc["group_sid"] = lines[1]
secdesc["revision"] = 1
secdesc["dacl"] = {}
secdesc["dacl"]["revision"] = 2
secdesc["dacl"]["ace_list"] = []
for acl in lines[2:]:
match = re.match("(\d+) (\d+) (0[xX][\dA-Fa-f]+) (\S+)", acl)
secdesc["dacl"]["ace_list"].append(
{"type": int(match.group(1)), "flags": int(match.group(2)),
"mask": string.atoi(match.group(3), 0), "trustee": match.group(4)})
# Build info3 structure
info3 = {}
info3["flags"] = 0x8004 # self-relative, dacl present
info3["level"] = 3
info3["security_descriptor"] = secdesc
hnd.setprinter(info3)
spoolss.closeprinter(hnd)
sys.exit(0)
print "invalid operation %s" % op
sys.exit(1)
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