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-rw-r--r--fs/afs/security.c2
-rw-r--r--fs/cifs/cifs_spnego.c25
-rw-r--r--fs/cifs/cifsacl.c28
-rw-r--r--fs/cifs/connect.c4
-rw-r--r--fs/crypto/keyinfo.c2
-rw-r--r--fs/ecryptfs/ecryptfs_kernel.h2
-rw-r--r--fs/ecryptfs/keystore.c2
-rw-r--r--fs/fscache/object-list.c2
-rw-r--r--fs/nfs/nfs4idmap.c30
-rw-r--r--fs/ubifs/auth.c2
10 files changed, 78 insertions, 21 deletions
diff --git a/fs/afs/security.c b/fs/afs/security.c
index 71e71c07568f..8866703b2e6c 100644
--- a/fs/afs/security.c
+++ b/fs/afs/security.c
@@ -28,7 +28,7 @@ struct key *afs_request_key(struct afs_cell *cell)
_debug("key %s", cell->anonymous_key->description);
key = request_key(&key_type_rxrpc, cell->anonymous_key->description,
- NULL);
+ NULL, NULL);
if (IS_ERR(key)) {
if (PTR_ERR(key) != -ENOKEY) {
_leave(" = %ld", PTR_ERR(key));
diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c
index 7f01c6e60791..d1b439ad0f1a 100644
--- a/fs/cifs/cifs_spnego.c
+++ b/fs/cifs/cifs_spnego.c
@@ -32,6 +32,25 @@
#include "cifsproto.h"
static const struct cred *spnego_cred;
+static struct key_acl cifs_spnego_key_acl = {
+ .usage = REFCOUNT_INIT(1),
+ .nr_ace = 2,
+ .possessor_viewable = true,
+ .aces = {
+ KEY_POSSESSOR_ACE(KEY_ACE_VIEW | KEY_ACE_SEARCH | KEY_ACE_READ),
+ KEY_OWNER_ACE(KEY_ACE_VIEW),
+ }
+};
+
+static struct key_acl cifs_spnego_keyring_acl = {
+ .usage = REFCOUNT_INIT(1),
+ .nr_ace = 2,
+ .aces = {
+ KEY_POSSESSOR_ACE(KEY_ACE_SEARCH | KEY_ACE_WRITE),
+ KEY_OWNER_ACE(KEY_ACE_VIEW | KEY_ACE_READ | KEY_ACE_CLEAR),
+ }
+};
+
/* create a new cifs key */
static int
cifs_spnego_key_instantiate(struct key *key, struct key_preparsed_payload *prep)
@@ -170,7 +189,8 @@ cifs_get_spnego_key(struct cifs_ses *sesInfo)
cifs_dbg(FYI, "key description = %s\n", description);
saved_cred = override_creds(spnego_cred);
- spnego_key = request_key(&cifs_spnego_key_type, description, "");
+ spnego_key = request_key(&cifs_spnego_key_type, description, "",
+ &cifs_spnego_key_acl);
revert_creds(saved_cred);
#ifdef CONFIG_CIFS_DEBUG2
@@ -207,8 +227,7 @@ init_cifs_spnego(void)
keyring = keyring_alloc(".cifs_spnego",
GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, cred,
- (KEY_POS_ALL & ~KEY_POS_SETATTR) |
- KEY_USR_VIEW | KEY_USR_READ,
+ &cifs_spnego_keyring_acl,
KEY_ALLOC_NOT_IN_QUOTA, NULL, NULL);
if (IS_ERR(keyring)) {
ret = PTR_ERR(keyring);
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 1d377b7f2860..78eed72f3af0 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -33,6 +33,25 @@
#include "cifsproto.h"
#include "cifs_debug.h"
+static struct key_acl cifs_idmap_key_acl = {
+ .usage = REFCOUNT_INIT(1),
+ .nr_ace = 2,
+ .possessor_viewable = true,
+ .aces = {
+ KEY_POSSESSOR_ACE(KEY_ACE_VIEW | KEY_ACE_SEARCH | KEY_ACE_READ),
+ KEY_OWNER_ACE(KEY_ACE_VIEW),
+ }
+};
+
+static struct key_acl cifs_idmap_keyring_acl = {
+ .usage = REFCOUNT_INIT(1),
+ .nr_ace = 2,
+ .aces = {
+ KEY_POSSESSOR_ACE(KEY_ACE_SEARCH | KEY_ACE_WRITE),
+ KEY_OWNER_ACE(KEY_ACE_VIEW | KEY_ACE_READ),
+ }
+};
+
/* security id for everyone/world system group */
static const struct cifs_sid sid_everyone = {
1, 1, {0, 0, 0, 0, 0, 1}, {0} };
@@ -298,7 +317,8 @@ id_to_sid(unsigned int cid, uint sidtype, struct cifs_sid *ssid)
rc = 0;
saved_cred = override_creds(root_cred);
- sidkey = request_key(&cifs_idmap_key_type, desc, "");
+ sidkey = request_key(&cifs_idmap_key_type, desc, "",
+ &cifs_idmap_key_acl);
if (IS_ERR(sidkey)) {
rc = -EINVAL;
cifs_dbg(FYI, "%s: Can't map %cid %u to a SID\n",
@@ -403,7 +423,8 @@ try_upcall_to_get_id:
return -ENOMEM;
saved_cred = override_creds(root_cred);
- sidkey = request_key(&cifs_idmap_key_type, sidstr, "");
+ sidkey = request_key(&cifs_idmap_key_type, sidstr, "",
+ &cifs_idmap_key_acl);
if (IS_ERR(sidkey)) {
rc = -EINVAL;
cifs_dbg(FYI, "%s: Can't map SID %s to a %cid\n",
@@ -481,8 +502,7 @@ init_cifs_idmap(void)
keyring = keyring_alloc(".cifs_idmap",
GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, cred,
- (KEY_POS_ALL & ~KEY_POS_SETATTR) |
- KEY_USR_VIEW | KEY_USR_READ,
+ &cifs_idmap_keyring_acl,
KEY_ALLOC_NOT_IN_QUOTA, NULL, NULL);
if (IS_ERR(keyring)) {
ret = PTR_ERR(keyring);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 8dd6637a3cbb..93f7082daf52 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2992,7 +2992,7 @@ cifs_set_cifscreds(struct smb_vol *vol, struct cifs_ses *ses)
}
cifs_dbg(FYI, "%s: desc=%s\n", __func__, desc);
- key = request_key(&key_type_logon, desc, "");
+ key = request_key(&key_type_logon, desc, "", NULL);
if (IS_ERR(key)) {
if (!ses->domainName) {
cifs_dbg(FYI, "domainName is NULL\n");
@@ -3003,7 +3003,7 @@ cifs_set_cifscreds(struct smb_vol *vol, struct cifs_ses *ses)
/* didn't work, try to find a domain key */
sprintf(desc, "cifs:d:%s", ses->domainName);
cifs_dbg(FYI, "%s: desc=%s\n", __func__, desc);
- key = request_key(&key_type_logon, desc, "");
+ key = request_key(&key_type_logon, desc, "", NULL);
if (IS_ERR(key)) {
rc = PTR_ERR(key);
goto out_err;
diff --git a/fs/crypto/keyinfo.c b/fs/crypto/keyinfo.c
index dcd91a3fbe49..4f85af8ab239 100644
--- a/fs/crypto/keyinfo.c
+++ b/fs/crypto/keyinfo.c
@@ -92,7 +92,7 @@ find_and_lock_process_key(const char *prefix,
if (!description)
return ERR_PTR(-ENOMEM);
- key = request_key(&key_type_logon, description, NULL);
+ key = request_key(&key_type_logon, description, NULL, NULL);
kfree(description);
if (IS_ERR(key))
return key;
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index 1c1a56be7ea2..67844fe41a61 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -91,7 +91,7 @@ ecryptfs_get_encrypted_key_payload_data(struct key *key)
static inline struct key *ecryptfs_get_encrypted_key(char *sig)
{
- return request_key(&key_type_encrypted, sig, NULL);
+ return request_key(&key_type_encrypted, sig, NULL, NULL);
}
#else
diff --git a/fs/ecryptfs/keystore.c b/fs/ecryptfs/keystore.c
index 9536e592e25a..ba382f135918 100644
--- a/fs/ecryptfs/keystore.c
+++ b/fs/ecryptfs/keystore.c
@@ -1610,7 +1610,7 @@ int ecryptfs_keyring_auth_tok_for_sig(struct key **auth_tok_key,
{
int rc = 0;
- (*auth_tok_key) = request_key(&key_type_user, sig, NULL);
+ (*auth_tok_key) = request_key(&key_type_user, sig, NULL, NULL);
if (!(*auth_tok_key) || IS_ERR(*auth_tok_key)) {
(*auth_tok_key) = ecryptfs_get_encrypted_key(sig);
if (!(*auth_tok_key) || IS_ERR(*auth_tok_key)) {
diff --git a/fs/fscache/object-list.c b/fs/fscache/object-list.c
index 72ebfe578f40..67b7bda5647a 100644
--- a/fs/fscache/object-list.c
+++ b/fs/fscache/object-list.c
@@ -317,7 +317,7 @@ static void fscache_objlist_config(struct fscache_objlist_data *data)
const char *buf;
int len;
- key = request_key(&key_type_user, "fscache:objlist", NULL);
+ key = request_key(&key_type_user, "fscache:objlist", NULL, NULL);
if (IS_ERR(key))
goto no_config;
diff --git a/fs/nfs/nfs4idmap.c b/fs/nfs/nfs4idmap.c
index 1e7296395d71..69679f4f2e6c 100644
--- a/fs/nfs/nfs4idmap.c
+++ b/fs/nfs/nfs4idmap.c
@@ -72,6 +72,25 @@ struct idmap {
const struct cred *cred;
};
+static struct key_acl nfs_idmap_key_acl = {
+ .usage = REFCOUNT_INIT(1),
+ .nr_ace = 2,
+ .possessor_viewable = true,
+ .aces = {
+ KEY_POSSESSOR_ACE(KEY_ACE_VIEW | KEY_ACE_SEARCH | KEY_ACE_READ),
+ KEY_OWNER_ACE(KEY_ACE_VIEW),
+ }
+};
+
+static struct key_acl nfs_idmap_keyring_acl = {
+ .usage = REFCOUNT_INIT(1),
+ .nr_ace = 2,
+ .aces = {
+ KEY_POSSESSOR_ACE(KEY_ACE_SEARCH | KEY_ACE_WRITE),
+ KEY_OWNER_ACE(KEY_ACE_VIEW | KEY_ACE_READ),
+ }
+};
+
static struct user_namespace *idmap_userns(const struct idmap *idmap)
{
if (idmap && idmap->cred)
@@ -208,8 +227,7 @@ int nfs_idmap_init(void)
keyring = keyring_alloc(".id_resolver",
GLOBAL_ROOT_UID, GLOBAL_ROOT_GID, cred,
- (KEY_POS_ALL & ~KEY_POS_SETATTR) |
- KEY_USR_VIEW | KEY_USR_READ,
+ &nfs_idmap_keyring_acl,
KEY_ALLOC_NOT_IN_QUOTA, NULL, NULL);
if (IS_ERR(keyring)) {
ret = PTR_ERR(keyring);
@@ -287,11 +305,13 @@ static struct key *nfs_idmap_request_key(const char *name, size_t namelen,
return ERR_PTR(ret);
if (!idmap->cred || idmap->cred->user_ns == &init_user_ns)
- rkey = request_key(&key_type_id_resolver, desc, "");
+ rkey = request_key(&key_type_id_resolver, desc, "",
+ &nfs_idmap_key_acl);
if (IS_ERR(rkey)) {
mutex_lock(&idmap->idmap_mutex);
rkey = request_key_with_auxdata(&key_type_id_resolver_legacy,
- desc, NULL, "", 0, idmap);
+ desc, NULL, "", 0, idmap,
+ &nfs_idmap_key_acl);
mutex_unlock(&idmap->idmap_mutex);
}
if (!IS_ERR(rkey))
@@ -320,8 +340,6 @@ static ssize_t nfs_idmap_get_key(const char *name, size_t namelen,
}
rcu_read_lock();
- rkey->perm |= KEY_USR_VIEW;
-
ret = key_validate(rkey);
if (ret < 0)
goto out_up;
diff --git a/fs/ubifs/auth.c b/fs/ubifs/auth.c
index 60f43b93d06e..38718026ad0b 100644
--- a/fs/ubifs/auth.c
+++ b/fs/ubifs/auth.c
@@ -227,7 +227,7 @@ int ubifs_init_authentication(struct ubifs_info *c)
snprintf(hmac_name, CRYPTO_MAX_ALG_NAME, "hmac(%s)",
c->auth_hash_name);
- keyring_key = request_key(&key_type_logon, c->auth_key_name, NULL);
+ keyring_key = request_key(&key_type_logon, c->auth_key_name, NULL, NULL);
if (IS_ERR(keyring_key)) {
ubifs_err(c, "Failed to request key: %ld",