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path: root/net/netfilter/ipset/ip_set_hash_net.c
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Diffstat (limited to 'net/netfilter/ipset/ip_set_hash_net.c')
-rw-r--r--net/netfilter/ipset/ip_set_hash_net.c88
1 files changed, 67 insertions, 21 deletions
diff --git a/net/netfilter/ipset/ip_set_hash_net.c b/net/netfilter/ipset/ip_set_hash_net.c
index 2aeeabcd5a21..60d016541c58 100644
--- a/net/netfilter/ipset/ip_set_hash_net.c
+++ b/net/netfilter/ipset/ip_set_hash_net.c
@@ -58,7 +58,8 @@ struct hash_net4_telem {
static inline bool
hash_net4_data_equal(const struct hash_net4_elem *ip1,
- const struct hash_net4_elem *ip2)
+ const struct hash_net4_elem *ip2,
+ u32 *multi)
{
return ip1->ip == ip2->ip && ip1->cidr == ip2->cidr;
}
@@ -125,9 +126,17 @@ nla_put_failure:
#define HOST_MASK 32
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_net4_data_next(struct ip_set_hash *h,
+ const struct hash_net4_elem *d)
+{
+ h->next.ip = ntohl(d->ip);
+}
+
static int
hash_net4_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -140,20 +149,21 @@ hash_net4_kadt(struct ip_set *set, const struct sk_buff *skb,
if (adt == IPSET_TEST)
data.cidr = HOST_MASK;
- ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
+ ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
data.ip &= ip_set_netmask(data.cidr);
- return adtfn(set, &data, h->timeout);
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_net4_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_net4_elem data = { .cidr = HOST_MASK };
u32 timeout = h->timeout;
+ u32 ip = 0, ip_to, last;
int ret;
if (unlikely(!tb[IPSET_ATTR_IP] ||
@@ -163,17 +173,15 @@ hash_net4_uadt(struct ip_set *set, struct nlattr *tb[],
if (tb[IPSET_ATTR_LINENO])
*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
- ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP], &data.ip);
+ ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
if (ret)
return ret;
- if (tb[IPSET_ATTR_CIDR])
+ if (tb[IPSET_ATTR_CIDR]) {
data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
-
- if (!data.cidr)
- return -IPSET_ERR_INVALID_CIDR;
-
- data.ip &= ip_set_netmask(data.cidr);
+ if (!data.cidr)
+ return -IPSET_ERR_INVALID_CIDR;
+ }
if (tb[IPSET_ATTR_TIMEOUT]) {
if (!with_timeout(h->timeout))
@@ -181,9 +189,35 @@ hash_net4_uadt(struct ip_set *set, struct nlattr *tb[],
timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
}
- ret = adtfn(set, &data, timeout);
+ if (adt == IPSET_TEST || !tb[IPSET_ATTR_IP_TO]) {
+ data.ip = htonl(ip & ip_set_hostmask(data.cidr));
+ ret = adtfn(set, &data, timeout, flags);
+ return ip_set_eexist(ret, flags) ? 0 : ret;
+ }
- return ip_set_eexist(ret, flags) ? 0 : ret;
+ ip_to = ip;
+ if (tb[IPSET_ATTR_IP_TO]) {
+ ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
+ if (ret)
+ return ret;
+ if (ip_to < ip)
+ swap(ip, ip_to);
+ if (ip + UINT_MAX == ip_to)
+ return -IPSET_ERR_HASH_RANGE;
+ }
+ if (retried)
+ ip = h->next.ip;
+ while (!after(ip, ip_to)) {
+ data.ip = htonl(ip);
+ last = ip_set_range_to_cidr(ip, ip_to, &data.cidr);
+ ret = adtfn(set, &data, timeout, flags);
+ if (ret && !ip_set_eexist(ret, flags))
+ return ret;
+ else
+ ret = 0;
+ ip = last + 1;
+ }
+ return ret;
}
static bool
@@ -216,7 +250,8 @@ struct hash_net6_telem {
static inline bool
hash_net6_data_equal(const struct hash_net6_elem *ip1,
- const struct hash_net6_elem *ip2)
+ const struct hash_net6_elem *ip2,
+ u32 *multi)
{
return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0 &&
ip1->cidr == ip2->cidr;
@@ -292,9 +327,16 @@ nla_put_failure:
#define HOST_MASK 128
#include <linux/netfilter/ipset/ip_set_ahash.h>
+static inline void
+hash_net6_data_next(struct ip_set_hash *h,
+ const struct hash_net6_elem *d)
+{
+}
+
static int
hash_net6_kadt(struct ip_set *set, const struct sk_buff *skb,
- enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+ const struct xt_action_param *par,
+ enum ipset_adt adt, const struct ip_set_adt_opt *opt)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -307,15 +349,15 @@ hash_net6_kadt(struct ip_set *set, const struct sk_buff *skb,
if (adt == IPSET_TEST)
data.cidr = HOST_MASK;
- ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+ ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
ip6_netmask(&data.ip, data.cidr);
- return adtfn(set, &data, h->timeout);
+ return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
}
static int
hash_net6_uadt(struct ip_set *set, struct nlattr *tb[],
- enum ipset_adt adt, u32 *lineno, u32 flags)
+ enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
{
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
@@ -326,6 +368,8 @@ hash_net6_uadt(struct ip_set *set, struct nlattr *tb[],
if (unlikely(!tb[IPSET_ATTR_IP] ||
!ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
return -IPSET_ERR_PROTOCOL;
+ if (unlikely(tb[IPSET_ATTR_IP_TO]))
+ return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
if (tb[IPSET_ATTR_LINENO])
*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
@@ -348,7 +392,7 @@ hash_net6_uadt(struct ip_set *set, struct nlattr *tb[],
timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
}
- ret = adtfn(set, &data, timeout);
+ ret = adtfn(set, &data, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
@@ -429,7 +473,8 @@ static struct ip_set_type hash_net_type __read_mostly = {
.features = IPSET_TYPE_IP,
.dimension = IPSET_DIM_ONE,
.family = AF_UNSPEC,
- .revision = 0,
+ .revision_min = 0,
+ .revision_max = 1, /* Range as input support for IPv4 added */
.create = hash_net_create,
.create_policy = {
[IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
@@ -440,6 +485,7 @@ static struct ip_set_type hash_net_type __read_mostly = {
},
.adt_policy = {
[IPSET_ATTR_IP] = { .type = NLA_NESTED },
+ [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED },
[IPSET_ATTR_CIDR] = { .type = NLA_U8 },
[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
},
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