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-rw-r--r--include/linux/netfilter/ipset/ip_set.h15
-rw-r--r--include/linux/netfilter/ipset/ip_set_ahash.h106
-rw-r--r--include/linux/netfilter/nf_conntrack_ftp.h6
-rw-r--r--include/linux/netfilter/nfnetlink_queue.h1
-rw-r--r--include/linux/netfilter/xt_time.h5
5 files changed, 80 insertions, 53 deletions
diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h
index 2edc64cab73..528697b3c15 100644
--- a/include/linux/netfilter/ipset/ip_set.h
+++ b/include/linux/netfilter/ipset/ip_set.h
@@ -190,6 +190,7 @@ enum ip_set_dim {
* If changed, new revision of iptables match/target is required.
*/
IPSET_DIM_MAX = 6,
+ IPSET_BIT_RETURN_NOMATCH = 7,
};
/* Option flags for kernel operations */
@@ -198,6 +199,7 @@ enum ip_set_kopt {
IPSET_DIM_ONE_SRC = (1 << IPSET_DIM_ONE),
IPSET_DIM_TWO_SRC = (1 << IPSET_DIM_TWO),
IPSET_DIM_THREE_SRC = (1 << IPSET_DIM_THREE),
+ IPSET_RETURN_NOMATCH = (1 << IPSET_BIT_RETURN_NOMATCH),
};
#ifdef __KERNEL__
@@ -206,9 +208,15 @@ enum ip_set_kopt {
#include <linux/netlink.h>
#include <linux/netfilter.h>
#include <linux/netfilter/x_tables.h>
+#include <linux/stringify.h>
#include <linux/vmalloc.h>
#include <net/netlink.h>
+#define _IP_SET_MODULE_DESC(a, b, c) \
+ MODULE_DESCRIPTION(a " type of IP sets, revisions " b "-" c)
+#define IP_SET_MODULE_DESC(a, b, c) \
+ _IP_SET_MODULE_DESC(a, __stringify(b), __stringify(c))
+
/* Set features */
enum ip_set_feature {
IPSET_TYPE_IP_FLAG = 0,
@@ -223,6 +231,8 @@ enum ip_set_feature {
IPSET_TYPE_NAME = (1 << IPSET_TYPE_NAME_FLAG),
IPSET_TYPE_IFACE_FLAG = 5,
IPSET_TYPE_IFACE = (1 << IPSET_TYPE_IFACE_FLAG),
+ IPSET_TYPE_NOMATCH_FLAG = 6,
+ IPSET_TYPE_NOMATCH = (1 << IPSET_TYPE_NOMATCH_FLAG),
/* Strictly speaking not a feature, but a flag for dumping:
* this settype must be dumped last */
IPSET_DUMP_LAST_FLAG = 7,
@@ -249,7 +259,7 @@ struct ip_set_type_variant {
* returns negative error code,
* zero for no match/success to add/delete
* positive for matching element */
- int (*kadt)(struct ip_set *set, const struct sk_buff * skb,
+ int (*kadt)(struct ip_set *set, const struct sk_buff *skb,
const struct xt_action_param *par,
enum ipset_adt adt, const struct ip_set_adt_opt *opt);
@@ -424,7 +434,8 @@ static inline int nla_put_ipaddr4(struct sk_buff *skb, int type, __be32 ipaddr)
return ret;
}
-static inline int nla_put_ipaddr6(struct sk_buff *skb, int type, const struct in6_addr *ipaddrptr)
+static inline int nla_put_ipaddr6(struct sk_buff *skb, int type,
+ const struct in6_addr *ipaddrptr)
{
struct nlattr *__nested = ipset_nest_start(skb, type);
int ret;
diff --git a/include/linux/netfilter/ipset/ip_set_ahash.h b/include/linux/netfilter/ipset/ip_set_ahash.h
index b114d35aea5..ef9acd3c845 100644
--- a/include/linux/netfilter/ipset/ip_set_ahash.h
+++ b/include/linux/netfilter/ipset/ip_set_ahash.h
@@ -137,50 +137,59 @@ htable_bits(u32 hashsize)
#endif
#define SET_HOST_MASK(family) (family == AF_INET ? 32 : 128)
+#ifdef IP_SET_HASH_WITH_MULTI
+#define NETS_LENGTH(family) (SET_HOST_MASK(family) + 1)
+#else
+#define NETS_LENGTH(family) SET_HOST_MASK(family)
+#endif
/* Network cidr size book keeping when the hash stores different
* sized networks */
static void
-add_cidr(struct ip_set_hash *h, u8 cidr, u8 host_mask)
+add_cidr(struct ip_set_hash *h, u8 cidr, u8 nets_length)
{
- u8 i;
-
- ++h->nets[cidr-1].nets;
-
- pr_debug("add_cidr added %u: %u\n", cidr, h->nets[cidr-1].nets);
+ int i, j;
- if (h->nets[cidr-1].nets > 1)
- return;
-
- /* New cidr size */
- for (i = 0; i < host_mask && h->nets[i].cidr; i++) {
- /* Add in increasing prefix order, so larger cidr first */
- if (h->nets[i].cidr < cidr)
- swap(h->nets[i].cidr, cidr);
+ /* Add in increasing prefix order, so larger cidr first */
+ for (i = 0, j = -1; i < nets_length && h->nets[i].nets; i++) {
+ if (j != -1)
+ continue;
+ else if (h->nets[i].cidr < cidr)
+ j = i;
+ else if (h->nets[i].cidr == cidr) {
+ h->nets[i].nets++;
+ return;
+ }
+ }
+ if (j != -1) {
+ for (; i > j; i--) {
+ h->nets[i].cidr = h->nets[i - 1].cidr;
+ h->nets[i].nets = h->nets[i - 1].nets;
+ }
}
- if (i < host_mask)
- h->nets[i].cidr = cidr;
+ h->nets[i].cidr = cidr;
+ h->nets[i].nets = 1;
}
static void
-del_cidr(struct ip_set_hash *h, u8 cidr, u8 host_mask)
+del_cidr(struct ip_set_hash *h, u8 cidr, u8 nets_length)
{
- u8 i;
-
- --h->nets[cidr-1].nets;
+ u8 i, j;
- pr_debug("del_cidr deleted %u: %u\n", cidr, h->nets[cidr-1].nets);
+ for (i = 0; i < nets_length - 1 && h->nets[i].cidr != cidr; i++)
+ ;
+ h->nets[i].nets--;
- if (h->nets[cidr-1].nets != 0)
+ if (h->nets[i].nets != 0)
return;
- /* All entries with this cidr size deleted, so cleanup h->cidr[] */
- for (i = 0; i < host_mask - 1 && h->nets[i].cidr; i++) {
- if (h->nets[i].cidr == cidr)
- h->nets[i].cidr = cidr = h->nets[i+1].cidr;
+ for (j = i; j < nets_length - 1 && h->nets[j].nets; j++) {
+ h->nets[j].cidr = h->nets[j + 1].cidr;
+ h->nets[j].nets = h->nets[j + 1].nets;
}
- h->nets[i - 1].cidr = 0;
}
+#else
+#define NETS_LENGTH(family) 0
#endif
/* Destroy the hashtable part of the set */
@@ -202,14 +211,14 @@ ahash_destroy(struct htable *t)
/* Calculate the actual memory size of the set data */
static size_t
-ahash_memsize(const struct ip_set_hash *h, size_t dsize, u8 host_mask)
+ahash_memsize(const struct ip_set_hash *h, size_t dsize, u8 nets_length)
{
u32 i;
struct htable *t = h->table;
size_t memsize = sizeof(*h)
+ sizeof(*t)
#ifdef IP_SET_HASH_WITH_NETS
- + sizeof(struct ip_set_hash_nets) * host_mask
+ + sizeof(struct ip_set_hash_nets) * nets_length
#endif
+ jhash_size(t->htable_bits) * sizeof(struct hbucket);
@@ -238,7 +247,7 @@ ip_set_hash_flush(struct ip_set *set)
}
#ifdef IP_SET_HASH_WITH_NETS
memset(h->nets, 0, sizeof(struct ip_set_hash_nets)
- * SET_HOST_MASK(set->family));
+ * NETS_LENGTH(set->family));
#endif
h->elements = 0;
}
@@ -271,9 +280,6 @@ ip_set_hash_destroy(struct ip_set *set)
(jhash2((u32 *)(data), HKEY_DATALEN/sizeof(u32), initval) \
& jhash_mask(htable_bits))
-#define CONCAT(a, b, c) a##b##c
-#define TOKEN(a, b, c) CONCAT(a, b, c)
-
/* Type/family dependent function prototypes */
#define type_pf_data_equal TOKEN(TYPE, PF, _data_equal)
@@ -478,7 +484,7 @@ type_pf_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
}
#ifdef IP_SET_HASH_WITH_NETS
- add_cidr(h, CIDR(d->cidr), HOST_MASK);
+ add_cidr(h, CIDR(d->cidr), NETS_LENGTH(set->family));
#endif
h->elements++;
out:
@@ -513,7 +519,7 @@ type_pf_del(struct ip_set *set, void *value, u32 timeout, u32 flags)
n->pos--;
h->elements--;
#ifdef IP_SET_HASH_WITH_NETS
- del_cidr(h, CIDR(d->cidr), HOST_MASK);
+ del_cidr(h, CIDR(d->cidr), NETS_LENGTH(set->family));
#endif
if (n->pos + AHASH_INIT_SIZE < n->size) {
void *tmp = kzalloc((n->size - AHASH_INIT_SIZE)
@@ -546,10 +552,10 @@ type_pf_test_cidrs(struct ip_set *set, struct type_pf_elem *d, u32 timeout)
const struct type_pf_elem *data;
int i, j = 0;
u32 key, multi = 0;
- u8 host_mask = SET_HOST_MASK(set->family);
+ u8 nets_length = NETS_LENGTH(set->family);
pr_debug("test by nets\n");
- for (; j < host_mask && h->nets[j].cidr && !multi; j++) {
+ for (; j < nets_length && h->nets[j].nets && !multi; j++) {
type_pf_data_netmask(d, h->nets[j].cidr);
key = HKEY(d, h->initval, t->htable_bits);
n = hbucket(t, key);
@@ -604,7 +610,7 @@ type_pf_head(struct ip_set *set, struct sk_buff *skb)
memsize = ahash_memsize(h, with_timeout(h->timeout)
? sizeof(struct type_pf_telem)
: sizeof(struct type_pf_elem),
- set->family == AF_INET ? 32 : 128);
+ NETS_LENGTH(set->family));
read_unlock_bh(&set->lock);
nested = ipset_nest_start(skb, IPSET_ATTR_DATA);
@@ -690,7 +696,7 @@ nla_put_failure:
}
static int
-type_pf_kadt(struct ip_set *set, const struct sk_buff * skb,
+type_pf_kadt(struct ip_set *set, const struct sk_buff *skb,
const struct xt_action_param *par,
enum ipset_adt adt, const struct ip_set_adt_opt *opt);
static int
@@ -783,7 +789,7 @@ type_pf_elem_tadd(struct hbucket *n, const struct type_pf_elem *value,
/* Delete expired elements from the hashtable */
static void
-type_pf_expire(struct ip_set_hash *h)
+type_pf_expire(struct ip_set_hash *h, u8 nets_length)
{
struct htable *t = h->table;
struct hbucket *n;
@@ -798,7 +804,7 @@ type_pf_expire(struct ip_set_hash *h)
if (type_pf_data_expired(data)) {
pr_debug("expired %u/%u\n", i, j);
#ifdef IP_SET_HASH_WITH_NETS
- del_cidr(h, CIDR(data->cidr), HOST_MASK);
+ del_cidr(h, CIDR(data->cidr), nets_length);
#endif
if (j != n->pos - 1)
/* Not last one */
@@ -839,7 +845,7 @@ type_pf_tresize(struct ip_set *set, bool retried)
if (!retried) {
i = h->elements;
write_lock_bh(&set->lock);
- type_pf_expire(set->data);
+ type_pf_expire(set->data, NETS_LENGTH(set->family));
write_unlock_bh(&set->lock);
if (h->elements < i)
return 0;
@@ -904,7 +910,7 @@ type_pf_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
if (h->elements >= h->maxelem)
/* FIXME: when set is full, we slow down here */
- type_pf_expire(h);
+ type_pf_expire(h, NETS_LENGTH(set->family));
if (h->elements >= h->maxelem) {
if (net_ratelimit())
pr_warning("Set %s is full, maxelem %u reached\n",
@@ -933,8 +939,8 @@ type_pf_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
if (j != AHASH_MAX(h) + 1) {
data = ahash_tdata(n, j);
#ifdef IP_SET_HASH_WITH_NETS
- del_cidr(h, CIDR(data->cidr), HOST_MASK);
- add_cidr(h, CIDR(d->cidr), HOST_MASK);
+ del_cidr(h, CIDR(data->cidr), NETS_LENGTH(set->family));
+ add_cidr(h, CIDR(d->cidr), NETS_LENGTH(set->family));
#endif
type_pf_data_copy(data, d);
type_pf_data_timeout_set(data, timeout);
@@ -952,7 +958,7 @@ type_pf_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
}
#ifdef IP_SET_HASH_WITH_NETS
- add_cidr(h, CIDR(d->cidr), HOST_MASK);
+ add_cidr(h, CIDR(d->cidr), NETS_LENGTH(set->family));
#endif
h->elements++;
out:
@@ -986,7 +992,7 @@ type_pf_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags)
n->pos--;
h->elements--;
#ifdef IP_SET_HASH_WITH_NETS
- del_cidr(h, CIDR(d->cidr), HOST_MASK);
+ del_cidr(h, CIDR(d->cidr), NETS_LENGTH(set->family));
#endif
if (n->pos + AHASH_INIT_SIZE < n->size) {
void *tmp = kzalloc((n->size - AHASH_INIT_SIZE)
@@ -1016,9 +1022,9 @@ type_pf_ttest_cidrs(struct ip_set *set, struct type_pf_elem *d, u32 timeout)
struct hbucket *n;
int i, j = 0;
u32 key, multi = 0;
- u8 host_mask = SET_HOST_MASK(set->family);
+ u8 nets_length = NETS_LENGTH(set->family);
- for (; j < host_mask && h->nets[j].cidr && !multi; j++) {
+ for (; j < nets_length && h->nets[j].nets && !multi; j++) {
type_pf_data_netmask(d, h->nets[j].cidr);
key = HKEY(d, h->initval, t->htable_bits);
n = hbucket(t, key);
@@ -1147,7 +1153,7 @@ type_pf_gc(unsigned long ul_set)
pr_debug("called\n");
write_lock_bh(&set->lock);
- type_pf_expire(h);
+ type_pf_expire(h, NETS_LENGTH(set->family));
write_unlock_bh(&set->lock);
h->gc.expires = jiffies + IPSET_GC_PERIOD(h->timeout) * HZ;
diff --git a/include/linux/netfilter/nf_conntrack_ftp.h b/include/linux/netfilter/nf_conntrack_ftp.h
index 28f18df3652..8faf3f792d1 100644
--- a/include/linux/netfilter/nf_conntrack_ftp.h
+++ b/include/linux/netfilter/nf_conntrack_ftp.h
@@ -18,13 +18,17 @@ enum nf_ct_ftp_type {
#define FTP_PORT 21
+#define NF_CT_FTP_SEQ_PICKUP (1 << 0)
+
#define NUM_SEQ_TO_REMEMBER 2
/* This structure exists only once per master */
struct nf_ct_ftp_master {
/* Valid seq positions for cmd matching after newline */
u_int32_t seq_aft_nl[IP_CT_DIR_MAX][NUM_SEQ_TO_REMEMBER];
/* 0 means seq_match_aft_nl not set */
- int seq_aft_nl_num[IP_CT_DIR_MAX];
+ u_int16_t seq_aft_nl_num[IP_CT_DIR_MAX];
+ /* pickup sequence tracking, useful for conntrackd */
+ u_int16_t flags[IP_CT_DIR_MAX];
};
struct nf_conntrack_expect;
diff --git a/include/linux/netfilter/nfnetlink_queue.h b/include/linux/netfilter/nfnetlink_queue.h
index 3b1c1360aed..70ec8c2bc11 100644
--- a/include/linux/netfilter/nfnetlink_queue.h
+++ b/include/linux/netfilter/nfnetlink_queue.h
@@ -44,6 +44,7 @@ enum nfqnl_attr_type {
NFQA_PAYLOAD, /* opaque data payload */
NFQA_CT, /* nf_conntrack_netlink.h */
NFQA_CT_INFO, /* enum ip_conntrack_info */
+ NFQA_CAP_LEN, /* __u32 length of captured packet */
__NFQA_MAX
};
diff --git a/include/linux/netfilter/xt_time.h b/include/linux/netfilter/xt_time.h
index 7c37fac576c..09588601939 100644
--- a/include/linux/netfilter/xt_time.h
+++ b/include/linux/netfilter/xt_time.h
@@ -17,6 +17,9 @@ enum {
/* Match against local time (instead of UTC) */
XT_TIME_LOCAL_TZ = 1 << 0,
+ /* treat timestart > timestop (e.g. 23:00-01:00) as single period */
+ XT_TIME_CONTIGUOUS = 1 << 1,
+
/* Shortcuts */
XT_TIME_ALL_MONTHDAYS = 0xFFFFFFFE,
XT_TIME_ALL_WEEKDAYS = 0xFE,
@@ -24,4 +27,6 @@ enum {
XT_TIME_MAX_DAYTIME = 24 * 60 * 60 - 1,
};
+#define XT_TIME_ALL_FLAGS (XT_TIME_LOCAL_TZ|XT_TIME_CONTIGUOUS)
+
#endif /* _XT_TIME_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-26 14:25:50 +0000