*/
/*
- * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 - 2007
+ * (c) Copyright Hewlett-Packard Development Company, L.P., 2006 - 2008
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <asm/atomic.h>
#include "netlabel_user.h"
+#include "netlabel_addrlist.h"
#include "netlabel_domainhash.h"
#include "netlabel_unlabeled.h"
#include "netlabel_mgmt.h"
struct list_head *tbl;
u32 size;
};
+#define netlbl_unlhsh_addr4_entry(iter) \
+ container_of(iter, struct netlbl_unlhsh_addr4, list)
struct netlbl_unlhsh_addr4 {
- __be32 addr;
- __be32 mask;
u32 secid;
- u32 valid;
- struct list_head list;
+ struct netlbl_af4list list;
struct rcu_head rcu;
};
+#define netlbl_unlhsh_addr6_entry(iter) \
+ container_of(iter, struct netlbl_unlhsh_addr6, list)
struct netlbl_unlhsh_addr6 {
- struct in6_addr addr;
- struct in6_addr mask;
u32 secid;
- u32 valid;
- struct list_head list;
+ struct netlbl_af6list list;
struct rcu_head rcu;
};
struct netlbl_unlhsh_iface {
};
/*
- * Audit Helper Functions
- */
-
-/**
- * netlbl_unlabel_audit_addr4 - Audit an IPv4 address
- * @audit_buf: audit buffer
- * @dev: network interface
- * @addr: IP address
- * @mask: IP address mask
- *
- * Description:
- * Write the IPv4 address and address mask, if necessary, to @audit_buf.
- *
- */
-static void netlbl_unlabel_audit_addr4(struct audit_buffer *audit_buf,
- const char *dev,
- __be32 addr, __be32 mask)
-{
- u32 mask_val = ntohl(mask);
-
- if (dev != NULL)
- audit_log_format(audit_buf, " netif=%s", dev);
- audit_log_format(audit_buf, " src=" NIPQUAD_FMT, NIPQUAD(addr));
- if (mask_val != 0xffffffff) {
- u32 mask_len = 0;
- while (mask_val > 0) {
- mask_val <<= 1;
- mask_len++;
- }
- audit_log_format(audit_buf, " src_prefixlen=%d", mask_len);
- }
-}
-
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-/**
- * netlbl_unlabel_audit_addr6 - Audit an IPv6 address
- * @audit_buf: audit buffer
- * @dev: network interface
- * @addr: IP address
- * @mask: IP address mask
- *
- * Description:
- * Write the IPv6 address and address mask, if necessary, to @audit_buf.
- *
- */
-static void netlbl_unlabel_audit_addr6(struct audit_buffer *audit_buf,
- const char *dev,
- const struct in6_addr *addr,
- const struct in6_addr *mask)
-{
- if (dev != NULL)
- audit_log_format(audit_buf, " netif=%s", dev);
- audit_log_format(audit_buf, " src=" NIP6_FMT, NIP6(*addr));
- if (ntohl(mask->s6_addr32[3]) != 0xffffffff) {
- u32 mask_len = 0;
- u32 mask_val;
- int iter = -1;
- while (ntohl(mask->s6_addr32[++iter]) == 0xffffffff)
- mask_len += 32;
- mask_val = ntohl(mask->s6_addr32[iter]);
- while (mask_val > 0) {
- mask_val <<= 1;
- mask_len++;
- }
- audit_log_format(audit_buf, " src_prefixlen=%d", mask_len);
- }
-}
-#endif /* IPv6 */
-
-/*
* Unlabeled Connection Hash Table Functions
*/
static void netlbl_unlhsh_free_iface(struct rcu_head *entry)
{
struct netlbl_unlhsh_iface *iface;
- struct netlbl_unlhsh_addr4 *iter4;
- struct netlbl_unlhsh_addr4 *tmp4;
- struct netlbl_unlhsh_addr6 *iter6;
- struct netlbl_unlhsh_addr6 *tmp6;
+ struct netlbl_af4list *iter4;
+ struct netlbl_af4list *tmp4;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ struct netlbl_af6list *iter6;
+ struct netlbl_af6list *tmp6;
+#endif /* IPv6 */
iface = container_of(entry, struct netlbl_unlhsh_iface, rcu);
/* no need for locks here since we are the only one with access to this
* structure */
- list_for_each_entry_safe(iter4, tmp4, &iface->addr4_list, list)
- if (iter4->valid) {
- list_del_rcu(&iter4->list);
- kfree(iter4);
- }
- list_for_each_entry_safe(iter6, tmp6, &iface->addr6_list, list)
- if (iter6->valid) {
- list_del_rcu(&iter6->list);
- kfree(iter6);
- }
+ netlbl_af4list_foreach_safe(iter4, tmp4, &iface->addr4_list) {
+ netlbl_af4list_remove_entry(iter4);
+ kfree(netlbl_unlhsh_addr4_entry(iter4));
+ }
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ netlbl_af6list_foreach_safe(iter6, tmp6, &iface->addr6_list) {
+ netlbl_af6list_remove_entry(iter6);
+ kfree(netlbl_unlhsh_addr6_entry(iter6));
+ }
+#endif /* IPv6 */
kfree(iface);
}
}
/**
- * netlbl_unlhsh_search_addr4 - Search for a matching IPv4 address entry
- * @addr: IPv4 address
- * @iface: the network interface entry
- *
- * Description:
- * Searches the IPv4 address list of the network interface specified by @iface.
- * If a matching address entry is found it is returned, otherwise NULL is
- * returned. The caller is responsible for calling the rcu_read_[un]lock()
- * functions.
- *
- */
-static struct netlbl_unlhsh_addr4 *netlbl_unlhsh_search_addr4(
- __be32 addr,
- const struct netlbl_unlhsh_iface *iface)
-{
- struct netlbl_unlhsh_addr4 *iter;
-
- list_for_each_entry_rcu(iter, &iface->addr4_list, list)
- if (iter->valid && (addr & iter->mask) == iter->addr)
- return iter;
-
- return NULL;
-}
-
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
-/**
- * netlbl_unlhsh_search_addr6 - Search for a matching IPv6 address entry
- * @addr: IPv6 address
- * @iface: the network interface entry
- *
- * Description:
- * Searches the IPv6 address list of the network interface specified by @iface.
- * If a matching address entry is found it is returned, otherwise NULL is
- * returned. The caller is responsible for calling the rcu_read_[un]lock()
- * functions.
- *
- */
-static struct netlbl_unlhsh_addr6 *netlbl_unlhsh_search_addr6(
- const struct in6_addr *addr,
- const struct netlbl_unlhsh_iface *iface)
-{
- struct netlbl_unlhsh_addr6 *iter;
-
- list_for_each_entry_rcu(iter, &iface->addr6_list, list)
- if (iter->valid &&
- ipv6_masked_addr_cmp(&iter->addr, &iter->mask, addr) == 0)
- return iter;
-
- return NULL;
-}
-#endif /* IPv6 */
-
-/**
* netlbl_unlhsh_search_iface - Search for a matching interface entry
* @ifindex: the network interface
*
static struct netlbl_unlhsh_iface *netlbl_unlhsh_search_iface(int ifindex)
{
u32 bkt;
+ struct list_head *bkt_list;
struct netlbl_unlhsh_iface *iter;
bkt = netlbl_unlhsh_hash(ifindex);
- list_for_each_entry_rcu(iter,
- &rcu_dereference(netlbl_unlhsh)->tbl[bkt],
- list)
+ bkt_list = &rcu_dereference(netlbl_unlhsh)->tbl[bkt];
+ list_for_each_entry_rcu(iter, bkt_list, list)
if (iter->valid && iter->ifindex == ifindex)
return iter;
const struct in_addr *mask,
u32 secid)
{
+ int ret_val;
struct netlbl_unlhsh_addr4 *entry;
- struct netlbl_unlhsh_addr4 *iter;
entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
if (entry == NULL)
return -ENOMEM;
- entry->addr = addr->s_addr & mask->s_addr;
- entry->mask = mask->s_addr;
- entry->secid = secid;
- entry->valid = 1;
+ entry->list.addr = addr->s_addr & mask->s_addr;
+ entry->list.mask = mask->s_addr;
+ entry->list.valid = 1;
INIT_RCU_HEAD(&entry->rcu);
+ entry->secid = secid;
spin_lock(&netlbl_unlhsh_lock);
- iter = netlbl_unlhsh_search_addr4(entry->addr, iface);
- if (iter != NULL &&
- iter->addr == addr->s_addr && iter->mask == mask->s_addr) {
- spin_unlock(&netlbl_unlhsh_lock);
- kfree(entry);
- return -EEXIST;
- }
- /* in order to speed up address searches through the list (the common
- * case) we need to keep the list in order based on the size of the
- * address mask such that the entry with the widest mask (smallest
- * numerical value) appears first in the list */
- list_for_each_entry_rcu(iter, &iface->addr4_list, list)
- if (iter->valid &&
- ntohl(entry->mask) > ntohl(iter->mask)) {
- __list_add_rcu(&entry->list,
- iter->list.prev,
- &iter->list);
- spin_unlock(&netlbl_unlhsh_lock);
- return 0;
- }
- list_add_tail_rcu(&entry->list, &iface->addr4_list);
+ ret_val = netlbl_af4list_add(&entry->list, &iface->addr4_list);
spin_unlock(&netlbl_unlhsh_lock);
- return 0;
+
+ if (ret_val != 0)
+ kfree(entry);
+ return ret_val;
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
const struct in6_addr *mask,
u32 secid)
{
+ int ret_val;
struct netlbl_unlhsh_addr6 *entry;
- struct netlbl_unlhsh_addr6 *iter;
entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
if (entry == NULL)
return -ENOMEM;
- ipv6_addr_copy(&entry->addr, addr);
- entry->addr.s6_addr32[0] &= mask->s6_addr32[0];
- entry->addr.s6_addr32[1] &= mask->s6_addr32[1];
- entry->addr.s6_addr32[2] &= mask->s6_addr32[2];
- entry->addr.s6_addr32[3] &= mask->s6_addr32[3];
- ipv6_addr_copy(&entry->mask, mask);
- entry->secid = secid;
- entry->valid = 1;
+ ipv6_addr_copy(&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.valid = 1;
INIT_RCU_HEAD(&entry->rcu);
+ entry->secid = secid;
spin_lock(&netlbl_unlhsh_lock);
- iter = netlbl_unlhsh_search_addr6(&entry->addr, iface);
- if (iter != NULL &&
- (ipv6_addr_equal(&iter->addr, addr) &&
- ipv6_addr_equal(&iter->mask, mask))) {
- spin_unlock(&netlbl_unlhsh_lock);
- kfree(entry);
- return -EEXIST;
- }
- /* in order to speed up address searches through the list (the common
- * case) we need to keep the list in order based on the size of the
- * address mask such that the entry with the widest mask (smallest
- * numerical value) appears first in the list */
- list_for_each_entry_rcu(iter, &iface->addr6_list, list)
- if (iter->valid &&
- ipv6_addr_cmp(&entry->mask, &iter->mask) > 0) {
- __list_add_rcu(&entry->list,
- iter->list.prev,
- &iter->list);
- spin_unlock(&netlbl_unlhsh_lock);
- return 0;
- }
- list_add_tail_rcu(&entry->list, &iface->addr6_list);
+ ret_val = netlbl_af6list_add(&entry->list, &iface->addr6_list);
spin_unlock(&netlbl_unlhsh_lock);
+
+ if (ret_val != 0)
+ kfree(entry);
return 0;
}
#endif /* IPv6 */
* success, negative values on failure.
*
*/
-static int netlbl_unlhsh_add(struct net *net,
- const char *dev_name,
- const void *addr,
- const void *mask,
- u32 addr_len,
- u32 secid,
- struct netlbl_audit *audit_info)
+int netlbl_unlhsh_add(struct net *net,
+ const char *dev_name,
+ const void *addr,
+ const void *mask,
+ u32 addr_len,
+ u32 secid,
+ struct netlbl_audit *audit_info)
{
int ret_val;
int ifindex;
rcu_read_lock();
if (dev_name != NULL) {
- dev = dev_get_by_name(net, dev_name);
+ dev = dev_get_by_name_rcu(net, dev_name);
if (dev == NULL) {
ret_val = -ENODEV;
goto unlhsh_add_return;
}
ifindex = dev->ifindex;
- dev_put(dev);
iface = netlbl_unlhsh_search_iface(ifindex);
} else {
ifindex = 0;
mask4 = (struct in_addr *)mask;
ret_val = netlbl_unlhsh_add_addr4(iface, addr4, mask4, secid);
if (audit_buf != NULL)
- netlbl_unlabel_audit_addr4(audit_buf,
- dev_name,
- addr4->s_addr,
- mask4->s_addr);
+ netlbl_af4list_audit_addr(audit_buf, 1,
+ dev_name,
+ addr4->s_addr,
+ mask4->s_addr);
break;
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
mask6 = (struct in6_addr *)mask;
ret_val = netlbl_unlhsh_add_addr6(iface, addr6, mask6, secid);
if (audit_buf != NULL)
- netlbl_unlabel_audit_addr6(audit_buf,
- dev_name,
- addr6, mask6);
+ netlbl_af6list_audit_addr(audit_buf, 1,
+ dev_name,
+ addr6, mask6);
break;
}
#endif /* IPv6 */
const struct in_addr *mask,
struct netlbl_audit *audit_info)
{
- int ret_val = -ENOENT;
+ struct netlbl_af4list *list_entry;
struct netlbl_unlhsh_addr4 *entry;
- struct audit_buffer *audit_buf = NULL;
+ struct audit_buffer *audit_buf;
struct net_device *dev;
- char *secctx = NULL;
+ char *secctx;
u32 secctx_len;
spin_lock(&netlbl_unlhsh_lock);
- entry = netlbl_unlhsh_search_addr4(addr->s_addr, iface);
- if (entry != NULL &&
- entry->addr == addr->s_addr && entry->mask == mask->s_addr) {
- entry->valid = 0;
- list_del_rcu(&entry->list);
- ret_val = 0;
- }
+ list_entry = netlbl_af4list_remove(addr->s_addr, mask->s_addr,
+ &iface->addr4_list);
spin_unlock(&netlbl_unlhsh_lock);
+ if (list_entry != NULL)
+ entry = netlbl_unlhsh_addr4_entry(list_entry);
+ else
+ entry = NULL;
audit_buf = netlbl_audit_start_common(AUDIT_MAC_UNLBL_STCDEL,
audit_info);
if (audit_buf != NULL) {
dev = dev_get_by_index(net, iface->ifindex);
- netlbl_unlabel_audit_addr4(audit_buf,
- (dev != NULL ? dev->name : NULL),
- entry->addr, entry->mask);
+ netlbl_af4list_audit_addr(audit_buf, 1,
+ (dev != NULL ? dev->name : NULL),
+ addr->s_addr, mask->s_addr);
if (dev != NULL)
dev_put(dev);
- if (security_secid_to_secctx(entry->secid,
- &secctx,
- &secctx_len) == 0) {
+ if (entry != NULL &&
+ security_secid_to_secctx(entry->secid,
+ &secctx, &secctx_len) == 0) {
audit_log_format(audit_buf, " sec_obj=%s", secctx);
security_release_secctx(secctx, secctx_len);
}
- audit_log_format(audit_buf, " res=%u", ret_val == 0 ? 1 : 0);
+ audit_log_format(audit_buf, " res=%u", entry != NULL ? 1 : 0);
audit_log_end(audit_buf);
}
- if (ret_val == 0)
- call_rcu(&entry->rcu, netlbl_unlhsh_free_addr4);
- return ret_val;
+ if (entry == NULL)
+ return -ENOENT;
+
+ call_rcu(&entry->rcu, netlbl_unlhsh_free_addr4);
+ return 0;
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
const struct in6_addr *mask,
struct netlbl_audit *audit_info)
{
- int ret_val = -ENOENT;
+ struct netlbl_af6list *list_entry;
struct netlbl_unlhsh_addr6 *entry;
- struct audit_buffer *audit_buf = NULL;
+ struct audit_buffer *audit_buf;
struct net_device *dev;
- char *secctx = NULL;
+ char *secctx;
u32 secctx_len;
spin_lock(&netlbl_unlhsh_lock);
- entry = netlbl_unlhsh_search_addr6(addr, iface);
- if (entry != NULL &&
- (ipv6_addr_equal(&entry->addr, addr) &&
- ipv6_addr_equal(&entry->mask, mask))) {
- entry->valid = 0;
- list_del_rcu(&entry->list);
- ret_val = 0;
- }
+ list_entry = netlbl_af6list_remove(addr, mask, &iface->addr6_list);
spin_unlock(&netlbl_unlhsh_lock);
+ if (list_entry != NULL)
+ entry = netlbl_unlhsh_addr6_entry(list_entry);
+ else
+ entry = NULL;
audit_buf = netlbl_audit_start_common(AUDIT_MAC_UNLBL_STCDEL,
audit_info);
if (audit_buf != NULL) {
dev = dev_get_by_index(net, iface->ifindex);
- netlbl_unlabel_audit_addr6(audit_buf,
- (dev != NULL ? dev->name : NULL),
- addr, mask);
+ netlbl_af6list_audit_addr(audit_buf, 1,
+ (dev != NULL ? dev->name : NULL),
+ addr, mask);
if (dev != NULL)
dev_put(dev);
- if (security_secid_to_secctx(entry->secid,
- &secctx,
- &secctx_len) == 0) {
+ if (entry != NULL &&
+ security_secid_to_secctx(entry->secid,
+ &secctx, &secctx_len) == 0) {
audit_log_format(audit_buf, " sec_obj=%s", secctx);
security_release_secctx(secctx, secctx_len);
}
- audit_log_format(audit_buf, " res=%u", ret_val == 0 ? 1 : 0);
+ audit_log_format(audit_buf, " res=%u", entry != NULL ? 1 : 0);
audit_log_end(audit_buf);
}
- if (ret_val == 0)
- call_rcu(&entry->rcu, netlbl_unlhsh_free_addr6);
- return ret_val;
+ if (entry == NULL)
+ return -ENOENT;
+
+ call_rcu(&entry->rcu, netlbl_unlhsh_free_addr6);
+ return 0;
}
#endif /* IPv6 */
*/
static void netlbl_unlhsh_condremove_iface(struct netlbl_unlhsh_iface *iface)
{
- struct netlbl_unlhsh_addr4 *iter4;
- struct netlbl_unlhsh_addr6 *iter6;
+ struct netlbl_af4list *iter4;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ struct netlbl_af6list *iter6;
+#endif /* IPv6 */
spin_lock(&netlbl_unlhsh_lock);
- list_for_each_entry_rcu(iter4, &iface->addr4_list, list)
- if (iter4->valid)
- goto unlhsh_condremove_failure;
- list_for_each_entry_rcu(iter6, &iface->addr6_list, list)
- if (iter6->valid)
- goto unlhsh_condremove_failure;
+ netlbl_af4list_foreach_rcu(iter4, &iface->addr4_list)
+ goto unlhsh_condremove_failure;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ netlbl_af6list_foreach_rcu(iter6, &iface->addr6_list)
+ goto unlhsh_condremove_failure;
+#endif /* IPv6 */
iface->valid = 0;
if (iface->ifindex > 0)
list_del_rcu(&iface->list);
* Returns zero on success, negative values on failure.
*
*/
-static int netlbl_unlhsh_remove(struct net *net,
- const char *dev_name,
- const void *addr,
- const void *mask,
- u32 addr_len,
- struct netlbl_audit *audit_info)
+int netlbl_unlhsh_remove(struct net *net,
+ const char *dev_name,
+ const void *addr,
+ const void *mask,
+ u32 addr_len,
+ struct netlbl_audit *audit_info)
{
int ret_val;
struct net_device *dev;
rcu_read_lock();
if (dev_name != NULL) {
- dev = dev_get_by_name(net, dev_name);
+ dev = dev_get_by_name_rcu(net, dev_name);
if (dev == NULL) {
ret_val = -ENODEV;
goto unlhsh_remove_return;
}
iface = netlbl_unlhsh_search_iface(dev->ifindex);
- dev_put(dev);
} else
iface = rcu_dereference(netlbl_unlhsh_def);
if (iface == NULL) {
struct net_device *dev = ptr;
struct netlbl_unlhsh_iface *iface = NULL;
- if (dev_net(dev) != &init_net)
+ if (!net_eq(dev_net(dev), &init_net))
return NOTIFY_DONE;
/* XXX - should this be a check for NETDEV_DOWN or _UNREGISTER? */
if (addr4) {
struct in_addr addr_struct;
- addr_struct.s_addr = addr4->addr;
+ addr_struct.s_addr = addr4->list.addr;
ret_val = nla_put(cb_arg->skb,
NLBL_UNLABEL_A_IPV4ADDR,
sizeof(struct in_addr),
if (ret_val != 0)
goto list_cb_failure;
- addr_struct.s_addr = addr4->mask;
+ addr_struct.s_addr = addr4->list.mask;
ret_val = nla_put(cb_arg->skb,
NLBL_UNLABEL_A_IPV4MASK,
sizeof(struct in_addr),
ret_val = nla_put(cb_arg->skb,
NLBL_UNLABEL_A_IPV6ADDR,
sizeof(struct in6_addr),
- &addr6->addr);
+ &addr6->list.addr);
if (ret_val != 0)
goto list_cb_failure;
ret_val = nla_put(cb_arg->skb,
NLBL_UNLABEL_A_IPV6MASK,
sizeof(struct in6_addr),
- &addr6->mask);
+ &addr6->list.mask);
if (ret_val != 0)
goto list_cb_failure;
u32 iter_bkt;
u32 iter_chain = 0, iter_addr4 = 0, iter_addr6 = 0;
struct netlbl_unlhsh_iface *iface;
- struct netlbl_unlhsh_addr4 *addr4;
- struct netlbl_unlhsh_addr6 *addr6;
+ struct list_head *iter_list;
+ struct netlbl_af4list *addr4;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ struct netlbl_af6list *addr6;
+#endif
cb_arg.nl_cb = cb;
cb_arg.skb = skb;
for (iter_bkt = skip_bkt;
iter_bkt < rcu_dereference(netlbl_unlhsh)->size;
iter_bkt++, iter_chain = 0, iter_addr4 = 0, iter_addr6 = 0) {
- list_for_each_entry_rcu(iface,
- &rcu_dereference(netlbl_unlhsh)->tbl[iter_bkt],
- list) {
+ iter_list = &rcu_dereference(netlbl_unlhsh)->tbl[iter_bkt];
+ list_for_each_entry_rcu(iface, iter_list, list) {
if (!iface->valid ||
iter_chain++ < skip_chain)
continue;
- list_for_each_entry_rcu(addr4,
- &iface->addr4_list,
- list) {
- if (!addr4->valid || iter_addr4++ < skip_addr4)
+ netlbl_af4list_foreach_rcu(addr4,
+ &iface->addr4_list) {
+ if (iter_addr4++ < skip_addr4)
continue;
if (netlbl_unlabel_staticlist_gen(
- NLBL_UNLABEL_C_STATICLIST,
- iface,
- addr4,
- NULL,
- &cb_arg) < 0) {
+ NLBL_UNLABEL_C_STATICLIST,
+ iface,
+ netlbl_unlhsh_addr4_entry(addr4),
+ NULL,
+ &cb_arg) < 0) {
iter_addr4--;
iter_chain--;
goto unlabel_staticlist_return;
}
}
- list_for_each_entry_rcu(addr6,
- &iface->addr6_list,
- list) {
- if (!addr6->valid || iter_addr6++ < skip_addr6)
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ netlbl_af6list_foreach_rcu(addr6,
+ &iface->addr6_list) {
+ if (iter_addr6++ < skip_addr6)
continue;
if (netlbl_unlabel_staticlist_gen(
- NLBL_UNLABEL_C_STATICLIST,
- iface,
- NULL,
- addr6,
- &cb_arg) < 0) {
+ NLBL_UNLABEL_C_STATICLIST,
+ iface,
+ NULL,
+ netlbl_unlhsh_addr6_entry(addr6),
+ &cb_arg) < 0) {
iter_addr6--;
iter_chain--;
goto unlabel_staticlist_return;
}
}
+#endif /* IPv6 */
}
}
struct netlbl_unlhsh_iface *iface;
u32 skip_addr4 = cb->args[0];
u32 skip_addr6 = cb->args[1];
- u32 iter_addr4 = 0, iter_addr6 = 0;
- struct netlbl_unlhsh_addr4 *addr4;
- struct netlbl_unlhsh_addr6 *addr6;
+ u32 iter_addr4 = 0;
+ struct netlbl_af4list *addr4;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ u32 iter_addr6 = 0;
+ struct netlbl_af6list *addr6;
+#endif
cb_arg.nl_cb = cb;
cb_arg.skb = skb;
if (iface == NULL || !iface->valid)
goto unlabel_staticlistdef_return;
- list_for_each_entry_rcu(addr4, &iface->addr4_list, list) {
- if (!addr4->valid || iter_addr4++ < skip_addr4)
+ netlbl_af4list_foreach_rcu(addr4, &iface->addr4_list) {
+ if (iter_addr4++ < skip_addr4)
continue;
if (netlbl_unlabel_staticlist_gen(NLBL_UNLABEL_C_STATICLISTDEF,
- iface,
- addr4,
- NULL,
- &cb_arg) < 0) {
+ iface,
+ netlbl_unlhsh_addr4_entry(addr4),
+ NULL,
+ &cb_arg) < 0) {
iter_addr4--;
goto unlabel_staticlistdef_return;
}
}
- list_for_each_entry_rcu(addr6, &iface->addr6_list, list) {
- if (!addr6->valid || iter_addr6++ < skip_addr6)
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ netlbl_af6list_foreach_rcu(addr6, &iface->addr6_list) {
+ if (iter_addr6++ < skip_addr6)
continue;
if (netlbl_unlabel_staticlist_gen(NLBL_UNLABEL_C_STATICLISTDEF,
- iface,
- NULL,
- addr6,
- &cb_arg) < 0) {
+ iface,
+ NULL,
+ netlbl_unlhsh_addr6_entry(addr6),
+ &cb_arg) < 0) {
iter_addr6--;
goto unlabel_staticlistdef_return;
}
}
+#endif /* IPv6 */
unlabel_staticlistdef_return:
rcu_read_unlock();
*/
int __init netlbl_unlabel_genl_init(void)
{
- int ret_val, i;
-
- ret_val = genl_register_family(&netlbl_unlabel_gnl_family);
- if (ret_val != 0)
- return ret_val;
-
- for (i = 0; i < ARRAY_SIZE(netlbl_unlabel_genl_ops); i++) {
- ret_val = genl_register_ops(&netlbl_unlabel_gnl_family,
- &netlbl_unlabel_genl_ops[i]);
- if (ret_val != 0)
- return ret_val;
- }
-
- return 0;
+ return genl_register_family_with_ops(&netlbl_unlabel_gnl_family,
+ netlbl_unlabel_genl_ops, ARRAY_SIZE(netlbl_unlabel_genl_ops));
}
/*
struct netlbl_unlhsh_iface *iface;
rcu_read_lock();
- iface = netlbl_unlhsh_search_iface_def(skb->iif);
+ iface = netlbl_unlhsh_search_iface_def(skb->skb_iif);
if (iface == NULL)
goto unlabel_getattr_nolabel;
switch (family) {
case PF_INET: {
struct iphdr *hdr4;
- struct netlbl_unlhsh_addr4 *addr4;
+ struct netlbl_af4list *addr4;
hdr4 = ip_hdr(skb);
- addr4 = netlbl_unlhsh_search_addr4(hdr4->saddr, iface);
+ addr4 = netlbl_af4list_search(hdr4->saddr,
+ &iface->addr4_list);
if (addr4 == NULL)
goto unlabel_getattr_nolabel;
- secattr->attr.secid = addr4->secid;
+ secattr->attr.secid = netlbl_unlhsh_addr4_entry(addr4)->secid;
break;
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case PF_INET6: {
struct ipv6hdr *hdr6;
- struct netlbl_unlhsh_addr6 *addr6;
+ struct netlbl_af6list *addr6;
hdr6 = ipv6_hdr(skb);
- addr6 = netlbl_unlhsh_search_addr6(&hdr6->saddr, iface);
+ addr6 = netlbl_af6list_search(&hdr6->saddr,
+ &iface->addr6_list);
if (addr6 == NULL)
goto unlabel_getattr_nolabel;
- secattr->attr.secid = addr6->secid;
+ secattr->attr.secid = netlbl_unlhsh_addr6_entry(addr6)->secid;
break;
}
#endif /* IPv6 */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff