Commit d5f3a5f6 authored by Mark Salyzyn's avatar Mark Salyzyn Committed by Paul Moore

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: default avatarMark Salyzyn <salyzyn@android.com>
Acked-by: default avatarStephen Smalley <sds@tycho.nsa.gov>
[PM: tweaked the subject line prefix to "selinux"]
Signed-off-by: default avatarPaul Moore <pmoore@redhat.com>
parent 2088d60e
...@@ -401,23 +401,14 @@ static int selinux_is_sblabel_mnt(struct super_block *sb) ...@@ -401,23 +401,14 @@ static int selinux_is_sblabel_mnt(struct super_block *sb)
{ {
struct superblock_security_struct *sbsec = sb->s_security; struct superblock_security_struct *sbsec = sb->s_security;
if (sbsec->behavior == SECURITY_FS_USE_XATTR || return sbsec->behavior == SECURITY_FS_USE_XATTR ||
sbsec->behavior == SECURITY_FS_USE_TRANS || sbsec->behavior == SECURITY_FS_USE_TRANS ||
sbsec->behavior == SECURITY_FS_USE_TASK) sbsec->behavior == SECURITY_FS_USE_TASK ||
return 1; /* Special handling. Genfs but also in-core setxattr handler */
!strcmp(sb->s_type->name, "sysfs") ||
/* Special handling for sysfs. Is genfs but also has setxattr handler*/ !strcmp(sb->s_type->name, "pstore") ||
if (strncmp(sb->s_type->name, "sysfs", sizeof("sysfs")) == 0) !strcmp(sb->s_type->name, "debugfs") ||
return 1; !strcmp(sb->s_type->name, "rootfs");
/*
* 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;
} }
static int sb_finish_set_opts(struct super_block *sb) static int sb_finish_set_opts(struct super_block *sb)
......
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