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-rw-r--r--security/integrity/evm/evm_main.c32
1 files changed, 29 insertions, 3 deletions
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 1334e02ae8f4..f7160253f17f 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -358,6 +358,15 @@ int evm_inode_removexattr(struct dentry *dentry, const char *xattr_name)
return evm_protect_xattr(dentry, xattr_name, NULL, 0);
}
+static void evm_reset_status(struct inode *inode)
+{
+ struct integrity_iint_cache *iint;
+
+ iint = integrity_iint_find(inode);
+ if (iint)
+ iint->evm_status = INTEGRITY_UNKNOWN;
+}
+
/**
* evm_inode_post_setxattr - update 'security.evm' to reflect the changes
* @dentry: pointer to the affected dentry
@@ -378,6 +387,8 @@ void evm_inode_post_setxattr(struct dentry *dentry, const char *xattr_name,
&& !posix_xattr_acl(xattr_name)))
return;
+ evm_reset_status(dentry->d_inode);
+
evm_update_evmxattr(dentry, xattr_name, xattr_value, xattr_value_len);
}
@@ -396,6 +407,8 @@ void evm_inode_post_removexattr(struct dentry *dentry, const char *xattr_name)
if (!evm_initialized || !evm_protected_xattr(xattr_name))
return;
+ evm_reset_status(dentry->d_inode);
+
evm_update_evmxattr(dentry, xattr_name, NULL, 0);
}
@@ -472,21 +485,34 @@ out:
}
EXPORT_SYMBOL_GPL(evm_inode_init_security);
+#ifdef CONFIG_EVM_LOAD_X509
+void __init evm_load_x509(void)
+{
+ int rc;
+
+ rc = integrity_load_x509(INTEGRITY_KEYRING_EVM, CONFIG_EVM_X509_PATH);
+ if (!rc)
+ evm_initialized |= EVM_INIT_X509;
+}
+#endif
+
static int __init init_evm(void)
{
int error;
evm_init_config();
+ error = integrity_init_keyring(INTEGRITY_KEYRING_EVM);
+ if (error)
+ return error;
+
error = evm_init_secfs();
if (error < 0) {
pr_info("Error registering secfs\n");
- goto err;
+ return error;
}
return 0;
-err:
- return error;
}
/*