glibc/elf/dl-tunables.list
Sunyeop Lee 65eff7fbdb Update old tunables framework document/script.
Since commit 8b9e9c3c0b, security_level replaces
is_secure. There were some old files need to be updated.

2017-03-23  Sunyeop Lee  <sunyeop97@gmail.com>

	* README.tunables: Updated descriptions.
	* elf/dl-tunables.list: Fixed typo: SXID_NONE -> NONE.
	* scripts/gen-tunables.awk: Updated the code related to the commit.
2017-03-24 11:08:28 +05:30

81 lines
2.2 KiB
Plaintext

# Copyright (C) 2016-2017 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C 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.
# The GNU C 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 the GNU C Library; if not, see
# <http://www.gnu.org/licenses/>.
# Allowed attributes for tunables:
#
# type: Defaults to STRING
# minval: Optional minimum acceptable value
# maxval: Optional maximum acceptable value
# env_alias: An alias environment variable
# security_level: Specify security level of the tunable. Valid values are:
#
# SXID_ERASE: (default) Don't read for AT_SECURE binaries and
# removed so that child processes can't read it.
# SXID_IGNORE: Don't read for AT_SECURE binaries, but retained for
# non-AT_SECURE subprocesses.
# NONE: Read all the time.
glibc {
malloc {
check {
type: INT_32
minval: 0
maxval: 3
env_alias: MALLOC_CHECK_
}
top_pad {
type: SIZE_T
env_alias: MALLOC_TOP_PAD_
security_level: SXID_IGNORE
}
perturb {
type: INT_32
minval: 0
maxval: 0xff
env_alias: MALLOC_PERTURB_
security_level: SXID_IGNORE
}
mmap_threshold {
type: SIZE_T
env_alias: MALLOC_MMAP_THRESHOLD_
security_level: SXID_IGNORE
}
trim_threshold {
type: SIZE_T
env_alias: MALLOC_TRIM_THRESHOLD_
security_level: SXID_IGNORE
}
mmap_max {
type: INT_32
env_alias: MALLOC_MMAP_MAX_
security_level: SXID_IGNORE
}
arena_max {
type: SIZE_T
env_alias: MALLOC_ARENA_MAX
minval: 1
security_level: SXID_IGNORE
}
arena_test {
type: SIZE_T
env_alias: MALLOC_ARENA_TEST
minval: 1
security_level: SXID_IGNORE
}
}
}