diff options
Diffstat (limited to 'net/netfilter/ipset/ip_set_hash_ipport.c')
| -rw-r--r-- | net/netfilter/ipset/ip_set_hash_ipport.c | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c index 9c27e249c171..92722bb82eea 100644 --- a/net/netfilter/ipset/ip_set_hash_ipport.c +++ b/net/netfilter/ipset/ip_set_hash_ipport.c @@ -93,9 +93,10 @@ static bool hash_ipport4_data_list(struct sk_buff *skb, const struct hash_ipport4_elem *data) { - NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, data->ip); - NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port); - NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto); + if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip) || + nla_put_net16(skb, IPSET_ATTR_PORT, data->port) || + nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto)) + goto nla_put_failure; return 0; nla_put_failure: @@ -109,12 +110,12 @@ hash_ipport4_data_tlist(struct sk_buff *skb, const struct hash_ipport4_telem *tdata = (const struct hash_ipport4_telem *)data; - NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, tdata->ip); - NLA_PUT_NET16(skb, IPSET_ATTR_PORT, tdata->port); - NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto); - NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT, - htonl(ip_set_timeout_get(tdata->timeout))); - + if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, tdata->ip) || + nla_put_net16(skb, IPSET_ATTR_PORT, tdata->port) || + nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) || + nla_put_net32(skb, IPSET_ATTR_TIMEOUT, + htonl(ip_set_timeout_get(tdata->timeout)))) + goto nla_put_failure; return 0; nla_put_failure: @@ -308,9 +309,10 @@ static bool hash_ipport6_data_list(struct sk_buff *skb, const struct hash_ipport6_elem *data) { - NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &data->ip); - NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port); - NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto); + if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip.in6) || + nla_put_net16(skb, IPSET_ATTR_PORT, data->port) || + nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto)) + goto nla_put_failure; return 0; nla_put_failure: @@ -324,11 +326,12 @@ hash_ipport6_data_tlist(struct sk_buff *skb, const struct hash_ipport6_telem *e = (const struct hash_ipport6_telem *)data; - NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &e->ip); - NLA_PUT_NET16(skb, IPSET_ATTR_PORT, data->port); - NLA_PUT_U8(skb, IPSET_ATTR_PROTO, data->proto); - NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT, - htonl(ip_set_timeout_get(e->timeout))); + if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &e->ip.in6) || + nla_put_net16(skb, IPSET_ATTR_PORT, data->port) || + nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) || + nla_put_net32(skb, IPSET_ATTR_TIMEOUT, + htonl(ip_set_timeout_get(e->timeout)))) + goto nla_put_failure; return 0; nla_put_failure: @@ -449,6 +452,7 @@ hash_ipport_create(struct ip_set *set, struct nlattr *tb[], u32 flags) struct ip_set_hash *h; u32 hashsize = IPSET_DEFAULT_HASHSIZE, maxelem = IPSET_DEFAULT_MAXELEM; u8 hbits; + size_t hsize; if (!(set->family == NFPROTO_IPV4 || set->family == NFPROTO_IPV6)) return -IPSET_ERR_INVALID_FAMILY; @@ -476,9 +480,12 @@ hash_ipport_create(struct ip_set *set, struct nlattr *tb[], u32 flags) h->timeout = IPSET_NO_TIMEOUT; hbits = htable_bits(hashsize); - h->table = ip_set_alloc( - sizeof(struct htable) - + jhash_size(hbits) * sizeof(struct hbucket)); + hsize = htable_size(hbits); + if (hsize == 0) { + kfree(h); + return -ENOMEM; + } + h->table = ip_set_alloc(hsize); if (!h->table) { kfree(h); return -ENOMEM; |