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path: root/kernel/ip_set_hash_ipportnet.c
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Diffstat (limited to 'kernel/ip_set_hash_ipportnet.c')
-rw-r--r--kernel/ip_set_hash_ipportnet.c128
1 files changed, 47 insertions, 81 deletions
diff --git a/kernel/ip_set_hash_ipportnet.c b/kernel/ip_set_hash_ipportnet.c
index f2c0d07..3904168 100644
--- a/kernel/ip_set_hash_ipportnet.c
+++ b/kernel/ip_set_hash_ipportnet.c
@@ -115,12 +115,11 @@ static inline bool
hash_ipportnet4_data_list(struct sk_buff *skb,
const struct hash_ipportnet4_elem *data)
{
- NLA_PUT_NET32(skb, IPSET_ATTR_IP, data->ip);
- NLA_PUT_NET32(skb, IPSET_ATTR_IP2, data->ip2);
+ NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, data->ip);
+ NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP2, data->ip2);
NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port);
NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
- if (data->proto != IPSET_IPPROTO_TCPUDP)
- NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
+ NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
return 0;
nla_put_failure:
@@ -134,12 +133,11 @@ hash_ipportnet4_data_tlist(struct sk_buff *skb,
const struct hash_ipportnet4_telem *tdata =
(const struct hash_ipportnet4_telem *)data;
- NLA_PUT_NET32(skb, IPSET_ATTR_IP, tdata->ip);
- NLA_PUT_NET32(skb, IPSET_ATTR_IP2, tdata->ip2);
+ NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, tdata->ip);
+ NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP2, tdata->ip2);
NLA_PUT_NET16(skb, IPSET_ATTR_PORT, tdata->port);
NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
- if (data->proto != IPSET_IPPROTO_TCPUDP)
- NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
+ NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
htonl(ip_set_timeout_get(tdata->timeout)));
@@ -163,8 +161,7 @@ hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
struct chash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipportnet4_elem data =
- { .cidr = h->nets[0].cidr || HOST_MASK,
- .proto = h->proto };
+ { .cidr = h->nets[0].cidr || HOST_MASK };
if (data.cidr == 0)
return -EINVAL;
@@ -183,9 +180,9 @@ hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
}
static const struct nla_policy
-hash_ipportnet4_adt_policy[IPSET_ATTR_ADT_MAX + 1] __read_mostly = {
- [IPSET_ATTR_IP] = { .type = NLA_U32 },
- [IPSET_ATTR_IP2] = { .type = NLA_U32 },
+hash_ipportnet_adt_policy[IPSET_ATTR_ADT_MAX + 1] __read_mostly = {
+ [IPSET_ATTR_IP] = { .type = NLA_NESTED },
+ [IPSET_ATTR_IP2] = { .type = NLA_NESTED },
[IPSET_ATTR_PORT] = { .type = NLA_U16 },
[IPSET_ATTR_CIDR2] = { .type = NLA_U8 },
[IPSET_ATTR_PROTO] = { .type = NLA_U8 },
@@ -200,27 +197,24 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *head, int len,
struct chash *h = set->data;
struct nlattr *tb[IPSET_ATTR_ADT_MAX+1];
ipset_adtfn adtfn = set->variant->adt[adt];
- struct hash_ipportnet4_elem data = { .cidr = HOST_MASK,
- .proto = h->proto };
+ struct hash_ipportnet4_elem data = { .cidr = HOST_MASK };
u32 timeout = h->timeout;
int ret;
if (nla_parse(tb, IPSET_ATTR_ADT_MAX, head, len,
- hash_ipportnet4_adt_policy))
+ hash_ipportnet_adt_policy))
return -IPSET_ERR_PROTOCOL;
if (tb[IPSET_ATTR_LINENO])
*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
- if (tb[IPSET_ATTR_IP])
- data.ip = ip_set_get_n32(tb[IPSET_ATTR_IP]);
- else
- return -IPSET_ERR_PROTOCOL;
+ ret = ip_set_get_ipaddr4(tb, IPSET_ATTR_IP, &data.ip);
+ if (ret)
+ return ret;
- if (tb[IPSET_ATTR_IP2])
- data.ip2 = ip_set_get_n32(tb[IPSET_ATTR_IP2]);
- else
- return -IPSET_ERR_PROTOCOL;
+ ret = ip_set_get_ipaddr4(tb, IPSET_ATTR_IP2, &data.ip2);
+ if (ret)
+ return ret;
if (tb[IPSET_ATTR_CIDR2])
data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
@@ -238,15 +232,15 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *head, int len,
if (tb[IPSET_ATTR_PROTO]) {
data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
- if (data.proto == 0 || data.proto >= IPSET_IPPROTO_TCPUDP)
+ if (data.proto == 0)
return -IPSET_ERR_INVALID_PROTO;
- } else if (data.proto == IPSET_IPPROTO_ANY)
+ } else
return -IPSET_ERR_MISSING_PROTO;
switch (data.proto) {
case IPPROTO_UDP:
case IPPROTO_TCP:
- case IPSET_IPPROTO_TCPUDP:
+ case IPPROTO_ICMP:
break;
default:
data.port = 0;
@@ -259,7 +253,7 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *head, int len,
timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
}
- ret = adtfn(set, &data, GFP_KERNEL, timeout);
+ ret = adtfn(set, &data, GFP_ATOMIC, timeout);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
@@ -273,7 +267,6 @@ hash_ipportnet_same_set(const struct ip_set *a, const struct ip_set *b)
/* Resizing changes htable_bits, so we ignore it */
return x->maxelem == y->maxelem
&& x->timeout == y->timeout
- && x->proto == y->proto
&& x->array_size == y->array_size
&& x->chain_limit == y->chain_limit;
}
@@ -358,12 +351,11 @@ static inline bool
hash_ipportnet6_data_list(struct sk_buff *skb,
const struct hash_ipportnet6_elem *data)
{
- NLA_PUT(skb, IPSET_ATTR_IP, sizeof(struct in6_addr), &data->ip);
- NLA_PUT(skb, IPSET_ATTR_IP2, sizeof(struct in6_addr), &data->ip2);
+ NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &data->ip);
+ NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP2, &data->ip2);
NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port);
NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
- if (data->proto != IPSET_IPPROTO_TCPUDP)
- NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
+ NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
return 0;
nla_put_failure:
@@ -377,12 +369,11 @@ hash_ipportnet6_data_tlist(struct sk_buff *skb,
const struct hash_ipportnet6_telem *e =
(const struct hash_ipportnet6_telem *)data;
- NLA_PUT(skb, IPSET_ATTR_IP, sizeof(struct in6_addr), &e->ip);
- NLA_PUT(skb, IPSET_ATTR_IP2, sizeof(struct in6_addr), &data->ip2);
+ NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &e->ip);
+ NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP2, &data->ip2);
NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port);
NLA_PUT_U8(skb, IPSET_ATTR_CIDR2, data->cidr);
- if (data->proto != IPSET_IPPROTO_TCPUDP)
- NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
+ NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto);
NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
htonl(ip_set_timeout_get(e->timeout)));
return 0;
@@ -405,8 +396,7 @@ hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
struct chash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipportnet6_elem data =
- { .cidr = h->nets[0].cidr || HOST_MASK,
- .proto = h->proto };
+ { .cidr = h->nets[0].cidr || HOST_MASK };
if (data.cidr == 0)
return -EINVAL;
@@ -424,19 +414,6 @@ hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
return adtfn(set, &data, GFP_ATOMIC, h->timeout);
}
-static const struct nla_policy
-hash_ipportnet6_adt_policy[IPSET_ATTR_ADT_MAX + 1] __read_mostly = {
- [IPSET_ATTR_IP] = { .type = NLA_BINARY,
- .len = sizeof(struct in6_addr) },
- [IPSET_ATTR_IP2] = { .type = NLA_BINARY,
- .len = sizeof(struct in6_addr) },
- [IPSET_ATTR_PORT] = { .type = NLA_U16 },
- [IPSET_ATTR_CIDR2] = { .type = NLA_U8 },
- [IPSET_ATTR_PROTO] = { .type = NLA_U8 },
- [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
- [IPSET_ATTR_LINENO] = { .type = NLA_U32 },
-};
-
static int
hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *head, int len,
enum ipset_adt adt, u32 *lineno, u32 flags)
@@ -444,29 +421,24 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *head, int len,
struct chash *h = set->data;
struct nlattr *tb[IPSET_ATTR_ADT_MAX+1];
ipset_adtfn adtfn = set->variant->adt[adt];
- struct hash_ipportnet6_elem data = { .cidr = HOST_MASK,
- .proto = h->proto };
+ struct hash_ipportnet6_elem data = { .cidr = HOST_MASK };
u32 timeout = h->timeout;
int ret;
if (nla_parse(tb, IPSET_ATTR_ADT_MAX, head, len,
- hash_ipportnet6_adt_policy))
+ hash_ipportnet_adt_policy))
return -IPSET_ERR_PROTOCOL;
if (tb[IPSET_ATTR_LINENO])
*lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
- if (tb[IPSET_ATTR_IP])
- memcpy(&data.ip, nla_data(tb[IPSET_ATTR_IP]),
- sizeof(struct in6_addr));
- else
- return -IPSET_ERR_PROTOCOL;
+ ret = ip_set_get_ipaddr6(tb, IPSET_ATTR_IP, &data.ip);
+ if (ret)
+ return ret;
- if (tb[IPSET_ATTR_IP2])
- memcpy(&data.ip2, nla_data(tb[IPSET_ATTR_IP2]),
- sizeof(struct in6_addr));
- else
- return -IPSET_ERR_PROTOCOL;
+ ret = ip_set_get_ipaddr6(tb, IPSET_ATTR_IP2, &data.ip2);
+ if (ret)
+ return ret;
if (tb[IPSET_ATTR_CIDR2])
data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
@@ -484,15 +456,15 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *head, int len,
if (tb[IPSET_ATTR_PROTO]) {
data.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
- if (data.proto == 0 || data.proto >= IPSET_IPPROTO_TCPUDP)
+ if (data.proto == 0)
return -IPSET_ERR_INVALID_PROTO;
- } else if (data.proto == IPSET_IPPROTO_ANY)
+ } else
return -IPSET_ERR_MISSING_PROTO;
switch (data.proto) {
case IPPROTO_UDP:
case IPPROTO_TCP:
- case IPSET_IPPROTO_TCPUDP:
+ case IPPROTO_ICMPV6:
break;
default:
data.port = 0;
@@ -505,7 +477,7 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *head, int len,
timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
}
- ret = adtfn(set, &data, GFP_KERNEL, timeout);
+ ret = adtfn(set, &data, GFP_ATOMIC, timeout);
return ip_set_eexist(ret, flags) ? 0 : ret;
}
@@ -518,7 +490,6 @@ hash_ipportnet_create_policy[IPSET_ATTR_CREATE_MAX+1] __read_mostly = {
[IPSET_ATTR_MAXELEM] = { .type = NLA_U32 },
[IPSET_ATTR_PROBES] = { .type = NLA_U8 },
[IPSET_ATTR_RESIZE] = { .type = NLA_U8 },
- [IPSET_ATTR_PROTO] = { .type = NLA_U8 },
[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
};
@@ -529,7 +500,6 @@ hash_ipportnet_create(struct ip_set *set, struct nlattr *head,
struct nlattr *tb[IPSET_ATTR_CREATE_MAX+1];
struct chash *h;
u32 hashsize = IPSET_DEFAULT_HASHSIZE, maxelem = IPSET_DEFAULT_MAXELEM;
- u8 proto = IPSET_IPPROTO_TCPUDP; /* Backward compatibility */
if (!(set->family == AF_INET || set->family == AF_INET6))
return -IPSET_ERR_INVALID_FAMILY;
@@ -547,14 +517,9 @@ hash_ipportnet_create(struct ip_set *set, struct nlattr *head,
if (tb[IPSET_ATTR_MAXELEM])
maxelem = ip_set_get_h32(tb[IPSET_ATTR_MAXELEM]);
- if (tb[IPSET_ATTR_PROTO]) {
- proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
- if (!proto)
- return -IPSET_ERR_INVALID_PROTO;
- }
h = kzalloc(sizeof(*h)
+ sizeof(struct chash_nets)
- * (set->family == AF_INET ? 31 : 127), GFP_KERNEL);
+ * (set->family == AF_INET ? 32 : 128), GFP_KERNEL); h = kzalloc(sizeof(*h), GFP_KERNEL);
if (!h)
return -ENOMEM;
@@ -563,11 +528,11 @@ hash_ipportnet_create(struct ip_set *set, struct nlattr *head,
h->array_size = CHASH_DEFAULT_ARRAY_SIZE;
h->chain_limit = CHASH_DEFAULT_CHAIN_LIMIT;
get_random_bytes(&h->initval, sizeof(h->initval));
- h->proto = proto;
h->timeout = IPSET_NO_TIMEOUT;
- h->htable = ip_set_alloc(jhash_size(h->htable_bits) * sizeof(struct slist),
- GFP_KERNEL);
+ h->htable = ip_set_alloc(
+ jhash_size(h->htable_bits) * sizeof(struct slist),
+ GFP_KERNEL);
if (!h->htable) {
kfree(h);
return -ENOMEM;
@@ -579,7 +544,8 @@ hash_ipportnet_create(struct ip_set *set, struct nlattr *head,
h->timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
set->variant = set->family == AF_INET
- ? &hash_ipportnet4_tvariant : &hash_ipportnet6_tvariant;
+ ? &hash_ipportnet4_tvariant
+ : &hash_ipportnet6_tvariant;
if (set->family == AF_INET)
hash_ipportnet4_gc_init(set);