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[PATCH] selinux: Clear selinux_enabled flag upon runtime disable.

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Clear selinux_enabled flag upon runtime disable of SELinux by userspace,
and make sure it is defined even if selinux= boot parameter support is
not enabled in configuration.

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: James Morris <jmorris@namei.org>
Tested-by: Jon Smirl <jonsmirl@gmail.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Stephen Smalley 2006-05-03 10:52:36 -04:00 • committed by Linus Torvalds
parent e17df688f7
commit 30d55280b8
2 changed files with 3 additions and 5 deletions
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3
security/selinux/hooks.c
View file

@ -101,6 +101,8 @@ static int __init selinux_enabled_setup(char *str)
return 1; return 1;
} }
__setup("selinux=", selinux_enabled_setup); __setup("selinux=", selinux_enabled_setup);
#else
int selinux_enabled = 1;
#endif #endif
/* Original (dummy) security module. */ /* Original (dummy) security module. */
@ -4535,6 +4537,7 @@ int selinux_disable(void)
printk(KERN_INFO "SELinux: Disabled at runtime.\n"); printk(KERN_INFO "SELinux: Disabled at runtime.\n");
selinux_disabled = 1; selinux_disabled = 1;
selinux_enabled = 0;
/* Reset security_ops to the secondary module, dummy or capability. */ /* Reset security_ops to the secondary module, dummy or capability. */
security_ops = secondary_ops; security_ops = secondary_ops;

5
security/selinux/include/security.h
View file

@ -29,12 +29,7 @@
#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE #define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
#define POLICYDB_VERSION_MAX POLICYDB_VERSION_AVTAB #define POLICYDB_VERSION_MAX POLICYDB_VERSION_AVTAB
#ifdef CONFIG_SECURITY_SELINUX_BOOTPARAM
extern int selinux_enabled; extern int selinux_enabled;
#else
#define selinux_enabled 1
#endif
extern int selinux_mls_enabled; extern int selinux_mls_enabled;
int security_load_policy(void * data, size_t len); int security_load_policy(void * data, size_t len);