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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>
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@ -401,23 +401,14 @@ static int selinux_is_sblabel_mnt(struct super_block *sb)
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{
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struct superblock_security_struct *sbsec = sb->s_security;
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if (sbsec->behavior == SECURITY_FS_USE_XATTR ||
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sbsec->behavior == SECURITY_FS_USE_TRANS ||
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sbsec->behavior == SECURITY_FS_USE_TASK)
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return 1;
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/* Special handling for sysfs. Is genfs but also has setxattr handler*/
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if (strncmp(sb->s_type->name, "sysfs", sizeof("sysfs")) == 0)
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return 1;
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/*
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* Special handling for rootfs. Is genfs but supports
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* setting SELinux context on in-core inodes.
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*/
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if (strncmp(sb->s_type->name, "rootfs", sizeof("rootfs")) == 0)
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return 1;
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return 0;
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return sbsec->behavior == SECURITY_FS_USE_XATTR ||
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sbsec->behavior == SECURITY_FS_USE_TRANS ||
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sbsec->behavior == SECURITY_FS_USE_TASK ||
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/* Special handling. Genfs but also in-core setxattr handler */
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!strcmp(sb->s_type->name, "sysfs") ||
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!strcmp(sb->s_type->name, "pstore") ||
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!strcmp(sb->s_type->name, "debugfs") ||
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!strcmp(sb->s_type->name, "rootfs");
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}
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static int sb_finish_set_opts(struct super_block *sb)
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