diff options
Diffstat (limited to '')
| -rw-r--r-- | security/integrity/digsig.c | 31 |
1 files changed, 18 insertions, 13 deletions
diff --git a/security/integrity/digsig.c b/security/integrity/digsig.c index f9f3c8ffe786..868ade3e8970 100644 --- a/security/integrity/digsig.c +++ b/security/integrity/digsig.c @@ -47,8 +47,7 @@ int integrity_digsig_verify(const unsigned int id, const char *sig, int siglen, if (!keyring[id]) { keyring[id] = - request_key(&key_type_keyring, keyring_name[id], - NULL, NULL); + request_key(&key_type_keyring, keyring_name[id], NULL); if (IS_ERR(keyring[id])) { int err = PTR_ERR(keyring[id]); pr_err("no %s keyring: %d\n", keyring_name[id], err); @@ -71,14 +70,14 @@ int integrity_digsig_verify(const unsigned int id, const char *sig, int siglen, } static int __init __integrity_init_keyring(const unsigned int id, - struct key_acl *acl, + key_perm_t perm, struct key_restriction *restriction) { const struct cred *cred = current_cred(); int err = 0; keyring[id] = keyring_alloc(keyring_name[id], KUIDT_INIT(0), - KGIDT_INIT(0), cred, acl, + KGIDT_INIT(0), cred, perm, KEY_ALLOC_NOT_IN_QUOTA, restriction, NULL); if (IS_ERR(keyring[id])) { err = PTR_ERR(keyring[id]); @@ -96,7 +95,10 @@ static int __init __integrity_init_keyring(const unsigned int id, int __init integrity_init_keyring(const unsigned int id) { struct key_restriction *restriction; - struct key_acl *acl = &internal_keyring_acl; + key_perm_t perm; + + perm = (KEY_POS_ALL & ~KEY_POS_SETATTR) | KEY_USR_VIEW + | KEY_USR_READ | KEY_USR_SEARCH; if (id == INTEGRITY_KEYRING_PLATFORM) { restriction = NULL; @@ -111,14 +113,14 @@ int __init integrity_init_keyring(const unsigned int id) return -ENOMEM; restriction->check = restrict_link_to_ima; - acl = &internal_writable_keyring_acl; + perm |= KEY_USR_WRITE; out: - return __integrity_init_keyring(id, acl, restriction); + return __integrity_init_keyring(id, perm, restriction); } -static int __init integrity_add_key(const unsigned int id, const void *data, - off_t size, struct key_acl *acl) +int __init integrity_add_key(const unsigned int id, const void *data, + off_t size, key_perm_t perm) { key_ref_t key; int rc = 0; @@ -127,7 +129,7 @@ static int __init integrity_add_key(const unsigned int id, const void *data, return -EINVAL; key = key_create_or_update(make_key_ref(keyring[id], 1), "asymmetric", - NULL, data, size, acl ?: &internal_key_acl, + NULL, data, size, perm, KEY_ALLOC_NOT_IN_QUOTA); if (IS_ERR(key)) { rc = PTR_ERR(key); @@ -147,6 +149,7 @@ int __init integrity_load_x509(const unsigned int id, const char *path) void *data; loff_t size; int rc; + key_perm_t perm; rc = kernel_read_file_from_path(path, &data, &size, 0, READING_X509_CERTIFICATE); @@ -155,19 +158,21 @@ int __init integrity_load_x509(const unsigned int id, const char *path) return rc; } + perm = (KEY_POS_ALL & ~KEY_POS_SETATTR) | KEY_USR_VIEW | KEY_USR_READ; + pr_info("Loading X.509 certificate: %s\n", path); - rc = integrity_add_key(id, data, size, NULL); + rc = integrity_add_key(id, (const void *)data, size, perm); vfree(data); return rc; } int __init integrity_load_cert(const unsigned int id, const char *source, - const void *data, size_t len, struct key_acl *acl) + const void *data, size_t len, key_perm_t perm) { if (!data) return -EINVAL; pr_info("Loading X.509 certificate: %s\n", source); - return integrity_add_key(id, data, len, acl); + return integrity_add_key(id, data, len, perm); } |