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| author | Mark Salyzyn <salyzyn@android.com> | 2015-02-04 11:34:30 -0500 |
|---|---|---|
| committer | Paul Moore <pmoore@redhat.com> | 2015-02-04 11:34:30 -0500 |
| commit | d5f3a5f6e7e7822df5680d4fe39bf0b6979a1535 (patch) | |
| tree | 8fd129856aed1a5a579f9a7a8aaa7a24476f8c40 | |
| parent | 2088d60e3b2f53d0c9590a0202eeff85b288b1eb (diff) | |
| download | linux-exynos-d5f3a5f6e7e7822df5680d4fe39bf0b6979a1535.tar.gz linux-exynos-d5f3a5f6e7e7822df5680d4fe39bf0b6979a1535.tar.bz2 linux-exynos-d5f3a5f6e7e7822df5680d4fe39bf0b6979a1535.zip | |
selinux: add security in-core xattr support for pstore and debugfs
- add "pstore" and "debugfs" to list of in-core exceptions
- change fstype checks to boolean equation
- change from strncmp to strcmp for checking
Signed-off-by: Mark Salyzyn <salyzyn@android.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
[PM: tweaked the subject line prefix to "selinux"]
Signed-off-by: Paul Moore <pmoore@redhat.com>
| -rw-r--r-- | security/selinux/hooks.c | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index c253caa90bb4..87a915656eab 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -401,23 +401,14 @@ static int selinux_is_sblabel_mnt(struct super_block *sb) { struct superblock_security_struct *sbsec = sb->s_security; - if (sbsec->behavior == SECURITY_FS_USE_XATTR || - sbsec->behavior == SECURITY_FS_USE_TRANS || - sbsec->behavior == SECURITY_FS_USE_TASK) - return 1; - - /* Special handling for sysfs. Is genfs but also has setxattr handler*/ - if (strncmp(sb->s_type->name, "sysfs", sizeof("sysfs")) == 0) - return 1; - - /* - * Special handling for rootfs. Is genfs but supports - * setting SELinux context on in-core inodes. - */ - if (strncmp(sb->s_type->name, "rootfs", sizeof("rootfs")) == 0) - return 1; - - return 0; + return sbsec->behavior == SECURITY_FS_USE_XATTR || + sbsec->behavior == SECURITY_FS_USE_TRANS || + sbsec->behavior == SECURITY_FS_USE_TASK || + /* Special handling. Genfs but also in-core setxattr handler */ + !strcmp(sb->s_type->name, "sysfs") || + !strcmp(sb->s_type->name, "pstore") || + !strcmp(sb->s_type->name, "debugfs") || + !strcmp(sb->s_type->name, "rootfs"); } static int sb_finish_set_opts(struct super_block *sb) |