From badc0e42604c4465facd81d2323e98b3b1eb9188 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Tue, 27 Oct 2015 13:37:40 -0300 Subject: Linux-libre 4.2.4-gnu --- net/netfilter/ipset/ip_set_hash_gen.h | 12 ++++++++---- net/netfilter/ipset/ip_set_hash_netnet.c | 20 ++++++++++++++++++-- net/netfilter/ipset/ip_set_hash_netportnet.c | 20 ++++++++++++++++++-- 3 files changed, 44 insertions(+), 8 deletions(-) (limited to 'net/netfilter/ipset') diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h index afe905c20..691b54fca 100644 --- a/net/netfilter/ipset/ip_set_hash_gen.h +++ b/net/netfilter/ipset/ip_set_hash_gen.h @@ -152,9 +152,13 @@ htable_bits(u32 hashsize) #define SET_HOST_MASK(family) (family == AF_INET ? 32 : 128) #ifdef IP_SET_HASH_WITH_NET0 +/* cidr from 0 to SET_HOST_MASK() value and c = cidr + 1 */ #define NLEN(family) (SET_HOST_MASK(family) + 1) +#define CIDR_POS(c) ((c) - 1) #else +/* cidr from 1 to SET_HOST_MASK() value and c = cidr + 1 */ #define NLEN(family) SET_HOST_MASK(family) +#define CIDR_POS(c) ((c) - 2) #endif #else @@ -305,7 +309,7 @@ mtype_add_cidr(struct htype *h, u8 cidr, u8 nets_length, u8 n) } else if (h->nets[i].cidr[n] < cidr) { j = i; } else if (h->nets[i].cidr[n] == cidr) { - h->nets[cidr - 1].nets[n]++; + h->nets[CIDR_POS(cidr)].nets[n]++; return; } } @@ -314,7 +318,7 @@ mtype_add_cidr(struct htype *h, u8 cidr, u8 nets_length, u8 n) h->nets[i].cidr[n] = h->nets[i - 1].cidr[n]; } h->nets[i].cidr[n] = cidr; - h->nets[cidr - 1].nets[n] = 1; + h->nets[CIDR_POS(cidr)].nets[n] = 1; } static void @@ -325,8 +329,8 @@ mtype_del_cidr(struct htype *h, u8 cidr, u8 nets_length, u8 n) for (i = 0; i < nets_length; i++) { if (h->nets[i].cidr[n] != cidr) continue; - h->nets[cidr - 1].nets[n]--; - if (h->nets[cidr - 1].nets[n] > 0) + h->nets[CIDR_POS(cidr)].nets[n]--; + if (h->nets[CIDR_POS(cidr)].nets[n] > 0) return; for (j = i; j < net_end && h->nets[j].cidr[n]; j++) h->nets[j].cidr[n] = h->nets[j + 1].cidr[n]; diff --git a/net/netfilter/ipset/ip_set_hash_netnet.c b/net/netfilter/ipset/ip_set_hash_netnet.c index 3c862c0a7..a93dfebff 100644 --- a/net/netfilter/ipset/ip_set_hash_netnet.c +++ b/net/netfilter/ipset/ip_set_hash_netnet.c @@ -131,6 +131,13 @@ hash_netnet4_data_next(struct hash_netnet4_elem *next, #define HOST_MASK 32 #include "ip_set_hash_gen.h" +static void +hash_netnet4_init(struct hash_netnet4_elem *e) +{ + e->cidr[0] = HOST_MASK; + e->cidr[1] = HOST_MASK; +} + static int hash_netnet4_kadt(struct ip_set *set, const struct sk_buff *skb, const struct xt_action_param *par, @@ -160,7 +167,7 @@ hash_netnet4_uadt(struct ip_set *set, struct nlattr *tb[], { const struct hash_netnet *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; - struct hash_netnet4_elem e = { .cidr = { HOST_MASK, HOST_MASK, }, }; + struct hash_netnet4_elem e = { }; struct ip_set_ext ext = IP_SET_INIT_UEXT(set); u32 ip = 0, ip_to = 0, last; u32 ip2 = 0, ip2_from = 0, ip2_to = 0, last2; @@ -169,6 +176,7 @@ hash_netnet4_uadt(struct ip_set *set, struct nlattr *tb[], if (tb[IPSET_ATTR_LINENO]) *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); + hash_netnet4_init(&e); if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) return -IPSET_ERR_PROTOCOL; @@ -357,6 +365,13 @@ hash_netnet6_data_next(struct hash_netnet4_elem *next, #define IP_SET_EMIT_CREATE #include "ip_set_hash_gen.h" +static void +hash_netnet6_init(struct hash_netnet6_elem *e) +{ + e->cidr[0] = HOST_MASK; + e->cidr[1] = HOST_MASK; +} + static int hash_netnet6_kadt(struct ip_set *set, const struct sk_buff *skb, const struct xt_action_param *par, @@ -385,13 +400,14 @@ hash_netnet6_uadt(struct ip_set *set, struct nlattr *tb[], enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) { ipset_adtfn adtfn = set->variant->adt[adt]; - struct hash_netnet6_elem e = { .cidr = { HOST_MASK, HOST_MASK, }, }; + struct hash_netnet6_elem e = { }; struct ip_set_ext ext = IP_SET_INIT_UEXT(set); int ret; if (tb[IPSET_ATTR_LINENO]) *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); + hash_netnet6_init(&e); if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) return -IPSET_ERR_PROTOCOL; diff --git a/net/netfilter/ipset/ip_set_hash_netportnet.c b/net/netfilter/ipset/ip_set_hash_netportnet.c index 0c68734f5..9a14c2378 100644 --- a/net/netfilter/ipset/ip_set_hash_netportnet.c +++ b/net/netfilter/ipset/ip_set_hash_netportnet.c @@ -142,6 +142,13 @@ hash_netportnet4_data_next(struct hash_netportnet4_elem *next, #define HOST_MASK 32 #include "ip_set_hash_gen.h" +static void +hash_netportnet4_init(struct hash_netportnet4_elem *e) +{ + e->cidr[0] = HOST_MASK; + e->cidr[1] = HOST_MASK; +} + static int hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb, const struct xt_action_param *par, @@ -175,7 +182,7 @@ hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[], { const struct hash_netportnet *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; - struct hash_netportnet4_elem e = { .cidr = { HOST_MASK, HOST_MASK, }, }; + struct hash_netportnet4_elem e = { }; struct ip_set_ext ext = IP_SET_INIT_UEXT(set); u32 ip = 0, ip_to = 0, ip_last, p = 0, port, port_to; u32 ip2_from = 0, ip2_to = 0, ip2_last, ip2; @@ -185,6 +192,7 @@ hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[], if (tb[IPSET_ATTR_LINENO]) *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); + hash_netportnet4_init(&e); if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) || !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) || @@ -412,6 +420,13 @@ hash_netportnet6_data_next(struct hash_netportnet4_elem *next, #define IP_SET_EMIT_CREATE #include "ip_set_hash_gen.h" +static void +hash_netportnet6_init(struct hash_netportnet6_elem *e) +{ + e->cidr[0] = HOST_MASK; + e->cidr[1] = HOST_MASK; +} + static int hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb, const struct xt_action_param *par, @@ -445,7 +460,7 @@ hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[], { const struct hash_netportnet *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; - struct hash_netportnet6_elem e = { .cidr = { HOST_MASK, HOST_MASK, }, }; + struct hash_netportnet6_elem e = { }; struct ip_set_ext ext = IP_SET_INIT_UEXT(set); u32 port, port_to; bool with_ports = false; @@ -454,6 +469,7 @@ hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[], if (tb[IPSET_ATTR_LINENO]) *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); + hash_netportnet6_init(&e); if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) || !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) || -- cgit v1.2.3