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chattr,lsattr,tune2fs: make them NOEXEC

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2017-08-05 20:38:04 +02:00
parent d3147cd5c3
commit 99125c0495
4 changed files with 7 additions and 6 deletions
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6
NOFORK_NOEXEC.lst
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@ -61,7 +61,7 @@ bzip2 - runner
cal - runner: cal -n9999
cat - runner
chat - needs ^C to work
chattr - runner
chattr - noexec. runner
chgrp - noexec. runner
chmod - noexec. runner
chown - noexec. runner
@ -204,7 +204,7 @@ lpd - daemon
lpq - runner
lpr - runner
ls - noexec. runner
lsattr - runner. noexec candidate (ls is, why not this one?)
lsattr - noexec. runner
lsmod - noexec
lsof - complex
lspci - noexec candidate, too rare to bother for nofork
@ -366,7 +366,7 @@ truncate - NOFORK
tty - NOFORK
ttysize - NOFORK
tunctl
tune2fs - leaks: open+xfunc
tune2fs - noexec. leaks: open+xfunc
ubiattach
ubidetach
ubimkvol

2
e2fsprogs/chattr.c
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@ -15,7 +15,7 @@
//config: help
//config: chattr changes the file attributes on a second extended file system.
//applet:IF_CHATTR(APPLET(chattr, BB_DIR_BIN, BB_SUID_DROP))
//applet:IF_CHATTR(APPLET_NOEXEC(chattr, chattr, BB_DIR_BIN, BB_SUID_DROP, chattr))
//kbuild:lib-$(CONFIG_CHATTR) += chattr.o e2fs_lib.o

3
e2fsprogs/lsattr.c
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@ -16,7 +16,8 @@
//config: help
//config: lsattr lists the file attributes on a second extended file system.
//applet:IF_LSATTR(APPLET(lsattr, BB_DIR_BIN, BB_SUID_DROP))
//applet:IF_LSATTR(APPLET_NOEXEC(lsattr, lsattr, BB_DIR_BIN, BB_SUID_DROP, lsattr))
/* ls is NOEXEC, so we should be too! ;) */
//kbuild:lib-$(CONFIG_LSATTR) += lsattr.o e2fs_lib.o

2
e2fsprogs/tune2fs.c
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@ -13,7 +13,7 @@
//config: tune2fs allows the system administrator to adjust various tunable
//config: filesystem parameters on Linux ext2/ext3 filesystems.
//applet:IF_TUNE2FS(APPLET(tune2fs, BB_DIR_SBIN, BB_SUID_DROP))
//applet:IF_TUNE2FS(APPLET_NOEXEC(tune2fs, tune2fs, BB_DIR_SBIN, BB_SUID_DROP, tune2fs))
//TODO alias to "tune2fs -L LABEL": //applet:IF_E2LABEL(APPLET_ODDNAME(e2label, tune2fs, BB_DIR_SBIN, BB_SUID_DROP, e2label))