ima: define is_ima_appraise_enabled()

Only return enabled if in enforcing mode, not fix or log modes.

Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Changes:
- Define is_ima_appraise_enabled() as a bool (Thiago Bauermann)

diff --git a/include/linux/ima.h b/include/linux/ima.h
index 7f6952f8d6aad7281f5403364bcfc13bdd30d36d..0e4647e0eb60caf9fc5f22ef5ecf1888771a4d9e 100644 (file)
--- a/include/linux/ima.h
+++ b/include/linux/ima.h
@@ -75,11 +75,17 @@ static inline void ima_add_kexec_buffer(struct kimage *image)
 #endif
 
 #ifdef CONFIG_IMA_APPRAISE
+extern bool is_ima_appraise_enabled(void);
 extern void ima_inode_post_setattr(struct dentry *dentry);
 extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
                       const void *xattr_value, size_t xattr_value_len);
 extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
 #else
+static inline bool is_ima_appraise_enabled(void)
+{
+       return 0;
+}
+
 static inline void ima_inode_post_setattr(struct dentry *dentry)
 {
        return;

diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c
index ac546df73afc84239518e3eb2a4c1b93631e5a59..7fe0566142d8bd470286f5462a5221ac8a5ac937 100644 (file)
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c
@@ -33,6 +33,16 @@ static int __init default_appraise_setup(char *str)
 
 __setup("ima_appraise=", default_appraise_setup);
 
+/*
+ * is_ima_appraise_enabled - return appraise status
+ *
+ * Only return enabled, if not in ima_appraise="fix" or "log" modes.
+ */
+bool is_ima_appraise_enabled(void)
+{
+       return (ima_appraise & IMA_APPRAISE_ENFORCE) ? 1 : 0;
+}
+
 /*
  * ima_must_appraise - set appraise flag
  *