[PATCH security-next v5 28/30] Yama: Initialize as ordered LSM
From: Kees Cook <hidden>
Date: 2018-10-11 00:26:17
Also in:
linux-arch, linux-doc, lkml
Subsystem:
security subsystem, the rest, yama security module · Maintainers:
Paul Moore, James Morris, "Serge E. Hallyn", Linus Torvalds, Kees Cook
This converts Yama from being a direct "minor" LSM into an ordered LSM. Signed-off-by: Kees Cook <redacted> Reviewed-by: Casey Schaufler <casey@schaufler-ca.com> --- include/linux/lsm_hooks.h | 5 ----- security/Kconfig | 2 +- security/security.c | 1 - security/yama/yama_lsm.c | 8 +++++++- 4 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index e6893ff9ca2b..833ec0f03795 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h@@ -2087,10 +2087,5 @@ static inline void security_delete_hooks(struct security_hook_list *hooks, #endif /* CONFIG_SECURITY_WRITABLE_HOOKS */ extern void __init capability_add_hooks(void); -#ifdef CONFIG_SECURITY_YAMA -extern void __init yama_add_hooks(void); -#else -static inline void __init yama_add_hooks(void) { } -#endif #endif /* ! __LINUX_LSM_HOOKS_H */
diff --git a/security/Kconfig b/security/Kconfig
index 550bd7032ab2..f2a04f922ede 100644
--- a/security/Kconfig
+++ b/security/Kconfig@@ -241,7 +241,7 @@ source security/integrity/Kconfig config LSM string "Ordered list of enabled LSMs" - default "loadpin,integrity,selinux,smack,tomoyo,apparmor" + default "yama,loadpin,integrity,selinux,smack,tomoyo,apparmor" help A comma-separated list of LSMs, in initialization order. Any LSMs left off this list will be ignored. This can be
diff --git a/security/security.c b/security/security.c
index 6ad1262aa6ab..2eb8afdd945d 100644
--- a/security/security.c
+++ b/security/security.c@@ -264,7 +264,6 @@ int __init security_init(void) * Load minor LSMs, with the capability module always first. */ capability_add_hooks(); - yama_add_hooks(); /* Load LSMs in specified order. */ ordered_lsm_init();
diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c
index ffda91a4a1aa..eb1da1303d2e 100644
--- a/security/yama/yama_lsm.c
+++ b/security/yama/yama_lsm.c@@ -477,9 +477,15 @@ static void __init yama_init_sysctl(void) static inline void yama_init_sysctl(void) { } #endif /* CONFIG_SYSCTL */ -void __init yama_add_hooks(void) +static int __init yama_init(void) { pr_info("Yama: becoming mindful.\n"); security_add_hooks(yama_hooks, ARRAY_SIZE(yama_hooks), "yama"); yama_init_sysctl(); + return 0; } + +DEFINE_LSM(yama) = { + .name = "yama", + .init = yama_init, +};
--
2.17.1