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path: root/net/netlabel/netlabel_unlabeled.c
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Diffstat (limited to 'net/netlabel/netlabel_unlabeled.c')
-rw-r--r--net/netlabel/netlabel_unlabeled.c81
1 files changed, 36 insertions, 45 deletions
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index e6e823656f9..78a63c18779 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -23,8 +23,7 @@
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
@@ -170,7 +169,7 @@ static void netlbl_unlhsh_free_iface(struct rcu_head *entry)
struct netlbl_unlhsh_iface *iface;
struct netlbl_af4list *iter4;
struct netlbl_af4list *tmp4;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
struct netlbl_af6list *iter6;
struct netlbl_af6list *tmp6;
#endif /* IPv6 */
@@ -184,7 +183,7 @@ static void netlbl_unlhsh_free_iface(struct rcu_head *entry)
netlbl_af4list_remove_entry(iter4);
kfree(netlbl_unlhsh_addr4_entry(iter4));
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
netlbl_af6list_foreach_safe(iter6, tmp6, &iface->addr6_list) {
netlbl_af6list_remove_entry(iter6);
kfree(netlbl_unlhsh_addr6_entry(iter6));
@@ -274,7 +273,7 @@ static int netlbl_unlhsh_add_addr4(struct netlbl_unlhsh_iface *iface,
return ret_val;
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
/**
* netlbl_unlhsh_add_addr6 - Add a new IPv6 address entry to the hash table
* @iface: the associated interface entry
@@ -300,12 +299,12 @@ static int netlbl_unlhsh_add_addr6(struct netlbl_unlhsh_iface *iface,
if (entry == NULL)
return -ENOMEM;
- ipv6_addr_copy(&entry->list.addr, addr);
+ entry->list.addr = *addr;
entry->list.addr.s6_addr32[0] &= mask->s6_addr32[0];
entry->list.addr.s6_addr32[1] &= mask->s6_addr32[1];
entry->list.addr.s6_addr32[2] &= mask->s6_addr32[2];
entry->list.addr.s6_addr32[3] &= mask->s6_addr32[3];
- ipv6_addr_copy(&entry->list.mask, mask);
+ entry->list.mask = *mask;
entry->list.valid = 1;
entry->secid = secid;
@@ -436,7 +435,7 @@ int netlbl_unlhsh_add(struct net *net,
mask4->s_addr);
break;
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
case sizeof(struct in6_addr): {
const struct in6_addr *addr6 = addr;
const struct in6_addr *mask6 = mask;
@@ -531,7 +530,7 @@ static int netlbl_unlhsh_remove_addr4(struct net *net,
return 0;
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
/**
* netlbl_unlhsh_remove_addr6 - Remove an IPv6 address entry
* @net: network namespace
@@ -606,14 +605,14 @@ static int netlbl_unlhsh_remove_addr6(struct net *net,
static void netlbl_unlhsh_condremove_iface(struct netlbl_unlhsh_iface *iface)
{
struct netlbl_af4list *iter4;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
struct netlbl_af6list *iter6;
#endif /* IPv6 */
spin_lock(&netlbl_unlhsh_lock);
netlbl_af4list_foreach_rcu(iter4, &iface->addr4_list)
goto unlhsh_condremove_failure;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
netlbl_af6list_foreach_rcu(iter6, &iface->addr6_list)
goto unlhsh_condremove_failure;
#endif /* IPv6 */
@@ -621,7 +620,7 @@ static void netlbl_unlhsh_condremove_iface(struct netlbl_unlhsh_iface *iface)
if (iface->ifindex > 0)
list_del_rcu(&iface->list);
else
- rcu_assign_pointer(netlbl_unlhsh_def, NULL);
+ RCU_INIT_POINTER(netlbl_unlhsh_def, NULL);
spin_unlock(&netlbl_unlhsh_lock);
call_rcu(&iface->rcu, netlbl_unlhsh_free_iface);
@@ -680,7 +679,7 @@ int netlbl_unlhsh_remove(struct net *net,
iface, addr, mask,
audit_info);
break;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
case sizeof(struct in6_addr):
ret_val = netlbl_unlhsh_remove_addr6(net,
iface, addr, mask,
@@ -708,7 +707,7 @@ unlhsh_remove_return:
* netlbl_unlhsh_netdev_handler - Network device notification handler
* @this: notifier block
* @event: the event
- * @ptr: the network device (cast to void)
+ * @ptr: the netdevice notifier info (cast to void)
*
* Description:
* Handle network device events, although at present all we care about is a
@@ -717,10 +716,9 @@ unlhsh_remove_return:
*
*/
static int netlbl_unlhsh_netdev_handler(struct notifier_block *this,
- unsigned long event,
- void *ptr)
+ unsigned long event, void *ptr)
{
- struct net_device *dev = ptr;
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct netlbl_unlhsh_iface *iface = NULL;
if (!net_eq(dev_net(dev), &init_net))
@@ -1096,7 +1094,7 @@ static int netlbl_unlabel_staticlist_gen(u32 cmd,
char *secctx;
u32 secctx_len;
- data = genlmsg_put(cb_arg->skb, NETLINK_CB(cb_arg->nl_cb->skb).pid,
+ data = genlmsg_put(cb_arg->skb, NETLINK_CB(cb_arg->nl_cb->skb).portid,
cb_arg->seq, &netlbl_unlabel_gnl_family,
NLM_F_MULTI, cmd);
if (data == NULL)
@@ -1189,14 +1187,12 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb,
struct netlbl_unlhsh_walk_arg cb_arg;
u32 skip_bkt = cb->args[0];
u32 skip_chain = cb->args[1];
- u32 skip_addr4 = cb->args[2];
- u32 skip_addr6 = cb->args[3];
u32 iter_bkt;
u32 iter_chain = 0, iter_addr4 = 0, iter_addr6 = 0;
struct netlbl_unlhsh_iface *iface;
struct list_head *iter_list;
struct netlbl_af4list *addr4;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
struct netlbl_af6list *addr6;
#endif
@@ -1215,7 +1211,7 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb,
continue;
netlbl_af4list_foreach_rcu(addr4,
&iface->addr4_list) {
- if (iter_addr4++ < skip_addr4)
+ if (iter_addr4++ < cb->args[2])
continue;
if (netlbl_unlabel_staticlist_gen(
NLBL_UNLABEL_C_STATICLIST,
@@ -1228,10 +1224,10 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb,
goto unlabel_staticlist_return;
}
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
netlbl_af6list_foreach_rcu(addr6,
&iface->addr6_list) {
- if (iter_addr6++ < skip_addr6)
+ if (iter_addr6++ < cb->args[3])
continue;
if (netlbl_unlabel_staticlist_gen(
NLBL_UNLABEL_C_STATICLIST,
@@ -1250,10 +1246,10 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb,
unlabel_staticlist_return:
rcu_read_unlock();
- cb->args[0] = skip_bkt;
- cb->args[1] = skip_chain;
- cb->args[2] = skip_addr4;
- cb->args[3] = skip_addr6;
+ cb->args[0] = iter_bkt;
+ cb->args[1] = iter_chain;
+ cb->args[2] = iter_addr4;
+ cb->args[3] = iter_addr6;
return skb->len;
}
@@ -1273,12 +1269,9 @@ static int netlbl_unlabel_staticlistdef(struct sk_buff *skb,
{
struct netlbl_unlhsh_walk_arg cb_arg;
struct netlbl_unlhsh_iface *iface;
- u32 skip_addr4 = cb->args[0];
- u32 skip_addr6 = cb->args[1];
- u32 iter_addr4 = 0;
+ u32 iter_addr4 = 0, iter_addr6 = 0;
struct netlbl_af4list *addr4;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
- u32 iter_addr6 = 0;
+#if IS_ENABLED(CONFIG_IPV6)
struct netlbl_af6list *addr6;
#endif
@@ -1292,7 +1285,7 @@ static int netlbl_unlabel_staticlistdef(struct sk_buff *skb,
goto unlabel_staticlistdef_return;
netlbl_af4list_foreach_rcu(addr4, &iface->addr4_list) {
- if (iter_addr4++ < skip_addr4)
+ if (iter_addr4++ < cb->args[0])
continue;
if (netlbl_unlabel_staticlist_gen(NLBL_UNLABEL_C_STATICLISTDEF,
iface,
@@ -1303,9 +1296,9 @@ static int netlbl_unlabel_staticlistdef(struct sk_buff *skb,
goto unlabel_staticlistdef_return;
}
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
netlbl_af6list_foreach_rcu(addr6, &iface->addr6_list) {
- if (iter_addr6++ < skip_addr6)
+ if (iter_addr6++ < cb->args[1])
continue;
if (netlbl_unlabel_staticlist_gen(NLBL_UNLABEL_C_STATICLISTDEF,
iface,
@@ -1320,8 +1313,8 @@ static int netlbl_unlabel_staticlistdef(struct sk_buff *skb,
unlabel_staticlistdef_return:
rcu_read_unlock();
- cb->args[0] = skip_addr4;
- cb->args[1] = skip_addr6;
+ cb->args[0] = iter_addr4;
+ cb->args[1] = iter_addr6;
return skb->len;
}
@@ -1329,7 +1322,7 @@ unlabel_staticlistdef_return:
* NetLabel Generic NETLINK Command Definitions
*/
-static struct genl_ops netlbl_unlabel_genl_ops[] = {
+static const struct genl_ops netlbl_unlabel_genl_ops[] = {
{
.cmd = NLBL_UNLABEL_C_STATICADD,
.flags = GENL_ADMIN_PERM,
@@ -1403,7 +1396,7 @@ static struct genl_ops netlbl_unlabel_genl_ops[] = {
int __init netlbl_unlabel_genl_init(void)
{
return genl_register_family_with_ops(&netlbl_unlabel_gnl_family,
- netlbl_unlabel_genl_ops, ARRAY_SIZE(netlbl_unlabel_genl_ops));
+ netlbl_unlabel_genl_ops);
}
/*
@@ -1447,11 +1440,9 @@ int __init netlbl_unlabel_init(u32 size)
for (iter = 0; iter < hsh_tbl->size; iter++)
INIT_LIST_HEAD(&hsh_tbl->tbl[iter]);
- rcu_read_lock();
spin_lock(&netlbl_unlhsh_lock);
rcu_assign_pointer(netlbl_unlhsh, hsh_tbl);
spin_unlock(&netlbl_unlhsh_lock);
- rcu_read_unlock();
register_netdevice_notifier(&netlbl_unlhsh_netdev_notifier);
@@ -1494,7 +1485,7 @@ int netlbl_unlabel_getattr(const struct sk_buff *skb,
secattr->attr.secid = netlbl_unlhsh_addr4_entry(addr4)->secid;
break;
}
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
case PF_INET6: {
struct ipv6hdr *hdr6;
struct netlbl_af6list *addr6;
@@ -1543,13 +1534,13 @@ int __init netlbl_unlabel_defconf(void)
* it is called is at bootup before the audit subsystem is reporting
* messages so don't worry to much about these values. */
security_task_getsecid(current, &audit_info.secid);
- audit_info.loginuid = 0;
+ audit_info.loginuid = GLOBAL_ROOT_UID;
audit_info.sessionid = 0;
entry = kzalloc(sizeof(*entry), GFP_KERNEL);
if (entry == NULL)
return -ENOMEM;
- entry->type = NETLBL_NLTYPE_UNLABELED;
+ entry->def.type = NETLBL_NLTYPE_UNLABELED;
ret_val = netlbl_domhsh_add_default(entry, &audit_info);
if (ret_val != 0)
return ret_val;