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-rw-r--r--security/integrity/digsig.c38
1 files changed, 36 insertions, 2 deletions
diff --git a/security/integrity/digsig.c b/security/integrity/digsig.c
index 8d4fbff8b87c..5e3bd72b299a 100644
--- a/security/integrity/digsig.c
+++ b/security/integrity/digsig.c
@@ -14,7 +14,7 @@
#include <linux/err.h>
#include <linux/sched.h>
-#include <linux/rbtree.h>
+#include <linux/slab.h>
#include <linux/cred.h>
#include <linux/key-type.h>
#include <linux/digsig.h>
@@ -63,7 +63,7 @@ int integrity_digsig_verify(const unsigned int id, const char *sig, int siglen,
return -EOPNOTSUPP;
}
-int integrity_init_keyring(const unsigned int id)
+int __init integrity_init_keyring(const unsigned int id)
{
const struct cred *cred = current_cred();
int err = 0;
@@ -84,3 +84,37 @@ int integrity_init_keyring(const unsigned int id)
}
return err;
}
+
+int __init integrity_load_x509(const unsigned int id, char *path)
+{
+ key_ref_t key;
+ char *data;
+ int rc;
+
+ if (!keyring[id])
+ return -EINVAL;
+
+ rc = integrity_read_file(path, &data);
+ if (rc < 0)
+ return rc;
+
+ key = key_create_or_update(make_key_ref(keyring[id], 1),
+ "asymmetric",
+ NULL,
+ data,
+ rc,
+ ((KEY_POS_ALL & ~KEY_POS_SETATTR) |
+ KEY_USR_VIEW | KEY_USR_READ),
+ KEY_ALLOC_NOT_IN_QUOTA | KEY_ALLOC_TRUSTED);
+ if (IS_ERR(key)) {
+ rc = PTR_ERR(key);
+ pr_err("Problem loading X.509 certificate (%d): %s\n",
+ rc, path);
+ } else {
+ pr_notice("Loaded X.509 cert '%s': %s\n",
+ key_ref_to_ptr(key)->description, path);
+ key_ref_put(key);
+ }
+ kfree(data);
+ return 0;
+}

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