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libvirt/scripts/check-aclperms.py
Daniel P. Berrangé f0b3840fb6 build: only support python3 binary
python2 will be end of life by the time of the next
libvirt release. All our supported build targets, including
CentOS7, have a python3 build available.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2019-12-04 13:13:01 +00:00

74 lines
2.3 KiB
Python
Executable File

#!/usr/bin/env python3
#
# Copyright (C) 2013-2019 Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see
# <http://www.gnu.org/licenses/>.
#
# This script just validates that the stringified version of
# a virAccessPerm enum matches the enum constant name. We do
# a lot of auto-generation of code, so when these don't match
# problems occur, preventing auth from succeeding at all.
import re
import sys
if len(sys.argv) != 3:
print("syntax: %s HEADER IMPL" % (sys.argv[0]), file=sys.stderr)
sys.exit(1)
hdr = sys.argv[1]
impl = sys.argv[2]
perms = {}
with open(hdr) as fh:
for line in fh:
symmatch = re.search(r"^\s+VIR_ACCESS_PERM_([_A-Z]+)(,?|\s|$)", line)
if symmatch is not None:
perm = symmatch.group(1)
if not perm.endswith("_LAST"):
perms[perm] = 1
warned = False
with open(impl) as fh:
group = None
for line in fh:
symlastmatch = re.search(r"VIR_ACCESS_PERM_([_A-Z]+)_LAST", line)
if symlastmatch is not None:
group = symlastmatch.group(1)
elif re.search(r'''"[_a-z]+"''', line) is not None:
bits = line.split(",")
for bit in bits:
m = re.search(r'''"([_a-z]+)"''', bit)
if m is not None:
perm = (group + "_" + m.group(1)).upper()
if perm not in perms:
print("Unknown perm string %s for group %s" %
(m.group(1), group), file=sys.stderr)
warned = True
del perms[perm]
for perm in perms.keys():
print("Perm %s had not string form" % perm, file=sys.stderr)
warned = True
if warned:
sys.exit(1)
sys.exit(0)