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qubes/log: add FD_CLOEXEC to log files

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Don't leak log file descriptors. At least 'lvm' complains.

QubesOS/qubes-issues#2412
This commit is contained in:
Marek Marczykowski-Górecki 2016-11-03 22:46:02 +01:00
parent 194fb9b99b
commit 6ff836dfa4
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1 changed files with 5 additions and 0 deletions
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qubes/log.py
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@ -30,6 +30,7 @@ See also: :py:attr:`qubes.vm.qubesvm.QubesVM.log`
import logging
import os
import sys
import fcntl
import dbus
@ -107,6 +108,8 @@ def enable():
old_umask = os.umask(0o007)
try:
handler_log = logging.FileHandler(log_path, 'a', encoding='utf-8')
fcntl.fcntl(handler_log.stream.fileno(),
fcntl.F_SETFD, fcntl.FD_CLOEXEC)
finally:
os.umask(old_umask)
handler_log.setFormatter(formatter_log)
@ -140,6 +143,8 @@ def get_vm_logger(vmname):
try:
handler = logging.FileHandler(
os.path.join(LOGPATH, 'vm-{}.log'.format(vmname)))
fcntl.fcntl(handler.stream.fileno(),
fcntl.F_SETFD, fcntl.FD_CLOEXEC)
finally:
os.umask(old_umask)
handler.setFormatter(formatter_log)