Re: linux-next: Tree for July 31 (IMA build error)

From: Randy Dunlap
Date: Fri Aug 01 2008 - 14:38:29 EST


On Fri, 01 Aug 2008 13:33:00 -0400 Mimi Zohar wrote:

>
> Randy Dunlap <randy.dunlap@xxxxxxxxxx> wrote on 08/01/2008 01:34:14 AM:
> > security/integrity/ima:
> >
> > linux-next-20080731/security/integrity/ima/ima_policy.c:81: error: implicit
> > declaration of function 'security_audit_rule_match'
> > linux-next-20080731/security/integrity/ima/ima_policy.c:206: error: implicit
> > declaration of function 'security_audit_rule_init'
> > make[4]: *** [security/integrity/ima/ima_policy.o] Error 1
>
> - Update security/integrity/ima/Kconfig for LSM based policy rules
> to select CONFIG_AUDIT.
> - Add dummy security_filter_rule_init/match routines for when
> CONFIG_AUDIT is not configured.
>
> Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxx>

Thanks. Works for me.


> Index: security-testing-2.6/security/integrity/ima/Kconfig
> ===================================================================
> --- security-testing-2.6.orig/security/integrity/ima/Kconfig
> +++ security-testing-2.6/security/integrity/ima/Kconfig
> @@ -39,3 +39,11 @@ config IMA_BASE_HOOKS
> default n
> help
> Enable this option to allow the LSM module to enforce integrity.
> +
> +config IMA_LSM_BASED_RULES
> + bool "Enable LSM based measurement policy rules(requires audit)"
> + depends on IMA
> + select AUDIT
> + default y
> + help
> + Disabling this option will not enforce LSM based policy rules.
> Index: security-testing-2.6/security/integrity/ima/ima.h
> ===================================================================
> --- security-testing-2.6.orig/security/integrity/ima/ima.h
> +++ security-testing-2.6/security/integrity/ima/ima.h
> @@ -145,4 +145,25 @@ struct ima_iint_cache {
> u8 digest[IMA_DIGEST_SIZE];
> struct mutex mutex;
> };
> +
> +/* LSM based policy rules require audit */
> +#ifdef CONFIG_AUDIT
> +
> +#define security_filter_rule_init security_audit_rule_init
> +#define security_filter_rule_match security_audit_rule_match
> +
> +#else
> +
> +static inline int security_filter_rule_init(u32 field, u32 op, char *rulestr,
> + void **lsmrule)
> +{
> + return -EINVAL;
> +}
> +
> +static inline int security_filter_rule_match(u32 secid, u32 field, u32 op,
> + void *lsmrule, struct audit_context *actx)
> +{
> + return -EINVAL;
> +}
> +#endif
> #endif
> Index: security-testing-2.6/security/integrity/ima/ima_policy.c
> ===================================================================
> --- security-testing-2.6.orig/security/integrity/ima/ima_policy.c
> +++ security-testing-2.6/security/integrity/ima/ima_policy.c
> @@ -20,9 +20,6 @@
>
> #include "ima.h"
>
> -#define security_filter_rule_init security_audit_rule_init
> -#define security_filter_rule_match security_audit_rule_match
> -
> struct ima_measure_rule_entry {
> struct list_head list;
> int action;


---
~Randy
Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA
http://linuxplumbersconf.org/
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