|
 |
ac7d03 |
From 68d97e2beca1ee3b398fc5f0d3ed70aa8b69e732 Mon Sep 17 00:00:00 2001
|
|
|
ac7d03 |
From: David Kupka <dkupka@redhat.com>
|
|
|
ac7d03 |
Date: Tue, 11 Apr 2017 17:35:30 +0200
|
|
|
ac7d03 |
Subject: [PATCH] ipapython.ipautil.run: Add option to set umask before
|
|
|
ac7d03 |
executing command
|
|
|
ac7d03 |
|
|
|
ac7d03 |
https://pagure.io/freeipa/issue/6831
|
|
|
ac7d03 |
|
|
|
ac7d03 |
Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>
|
|
|
ac7d03 |
Reviewed-By: Martin Babinsky <mbabinsk@redhat.com>
|
|
|
ac7d03 |
---
|
|
|
ac7d03 |
ipapython/ipautil.py | 43 +++++++++++++++++++++++--------------------
|
|
|
ac7d03 |
1 file changed, 23 insertions(+), 20 deletions(-)
|
|
|
ac7d03 |
|
|
|
ac7d03 |
diff --git a/ipapython/ipautil.py b/ipapython/ipautil.py
|
|
|
ac7d03 |
index cd66328e6c9a0f69e6f83582a9d288ac239c5be3..317fc225b722ad3ce2f4b9d92822b4f19d49adb9 100644
|
|
|
ac7d03 |
--- a/ipapython/ipautil.py
|
|
|
ac7d03 |
+++ b/ipapython/ipautil.py
|
|
|
ac7d03 |
@@ -309,7 +309,7 @@ class _RunResult(collections.namedtuple('_RunResult',
|
|
|
ac7d03 |
def run(args, stdin=None, raiseonerr=True, nolog=(), env=None,
|
|
|
ac7d03 |
capture_output=False, skip_output=False, cwd=None,
|
|
|
ac7d03 |
runas=None, suplementary_groups=[],
|
|
|
ac7d03 |
- capture_error=False, encoding=None, redirect_output=False):
|
|
|
ac7d03 |
+ capture_error=False, encoding=None, redirect_output=False, umask=None):
|
|
|
ac7d03 |
"""
|
|
|
ac7d03 |
Execute an external command.
|
|
|
ac7d03 |
|
|
|
ac7d03 |
@@ -345,6 +345,7 @@ def run(args, stdin=None, raiseonerr=True, nolog=(), env=None,
|
|
|
ac7d03 |
error_output, and (if it's not bytes) stdin.
|
|
|
ac7d03 |
If None, the current encoding according to locale is used.
|
|
|
ac7d03 |
:param redirect_output: Redirect (error) output to standard (error) output.
|
|
|
ac7d03 |
+ :param umask: Set file-creation mask before running the command.
|
|
|
ac7d03 |
|
|
|
ac7d03 |
:return: An object with these attributes:
|
|
|
ac7d03 |
|
|
|
ac7d03 |
@@ -416,25 +417,27 @@ def run(args, stdin=None, raiseonerr=True, nolog=(), env=None,
|
|
|
ac7d03 |
root_logger.debug('Starting external process')
|
|
|
ac7d03 |
root_logger.debug('args=%s' % arg_string)
|
|
|
ac7d03 |
|
|
|
ac7d03 |
- preexec_fn = None
|
|
|
ac7d03 |
- if runas is not None:
|
|
|
ac7d03 |
- pent = pwd.getpwnam(runas)
|
|
|
ac7d03 |
-
|
|
|
ac7d03 |
- suplementary_gids = [
|
|
|
ac7d03 |
- grp.getgrnam(group).gr_gid for group in suplementary_groups
|
|
|
ac7d03 |
- ]
|
|
|
ac7d03 |
-
|
|
|
ac7d03 |
- root_logger.debug('runas=%s (UID %d, GID %s)', runas,
|
|
|
ac7d03 |
- pent.pw_uid, pent.pw_gid)
|
|
|
ac7d03 |
- if suplementary_groups:
|
|
|
ac7d03 |
- for group, gid in zip(suplementary_groups, suplementary_gids):
|
|
|
ac7d03 |
- root_logger.debug('suplementary_group=%s (GID %d)', group, gid)
|
|
|
ac7d03 |
-
|
|
|
ac7d03 |
- preexec_fn = lambda: (
|
|
|
ac7d03 |
- os.setgroups(suplementary_gids),
|
|
|
ac7d03 |
- os.setregid(pent.pw_gid, pent.pw_gid),
|
|
|
ac7d03 |
- os.setreuid(pent.pw_uid, pent.pw_uid),
|
|
|
ac7d03 |
- )
|
|
|
ac7d03 |
+ def preexec_fn():
|
|
|
ac7d03 |
+ if runas is not None:
|
|
|
ac7d03 |
+ pent = pwd.getpwnam(runas)
|
|
|
ac7d03 |
+
|
|
|
ac7d03 |
+ suplementary_gids = [
|
|
|
ac7d03 |
+ grp.getgrnam(group).gr_gid for group in suplementary_groups
|
|
|
ac7d03 |
+ ]
|
|
|
ac7d03 |
+
|
|
|
ac7d03 |
+ root_logger.debug('runas=%s (UID %d, GID %s)', runas,
|
|
|
ac7d03 |
+ pent.pw_uid, pent.pw_gid)
|
|
|
ac7d03 |
+ if suplementary_groups:
|
|
|
ac7d03 |
+ for group, gid in zip(suplementary_groups, suplementary_gids):
|
|
|
ac7d03 |
+ root_logger.debug('suplementary_group=%s (GID %d)',
|
|
|
ac7d03 |
+ group, gid)
|
|
|
ac7d03 |
+
|
|
|
ac7d03 |
+ os.setgroups(suplementary_gids)
|
|
|
ac7d03 |
+ os.setregid(pent.pw_gid, pent.pw_gid)
|
|
|
ac7d03 |
+ os.setreuid(pent.pw_uid, pent.pw_uid)
|
|
|
ac7d03 |
+
|
|
|
ac7d03 |
+ if umask:
|
|
|
ac7d03 |
+ os.umask(umask)
|
|
|
ac7d03 |
|
|
|
ac7d03 |
try:
|
|
|
ac7d03 |
p = subprocess.Popen(args, stdin=p_in, stdout=p_out, stderr=p_err,
|
|
|
ac7d03 |
--
|
|
|
ac7d03 |
2.9.4
|
|
|
ac7d03 |
|