netfilter: ipset: timeout can be modified for already added elements

When an element to a set with timeout added, one can change the timeout
by "readding" the element with the "-exist" flag. That means the timeout
value is reset to the specified one (or to the default from the set
specification if the "timeout n" option is not used). Example

ipset add foo 1.2.3.4 timeout 10
ipset add foo 1.2.3.4 timeout 600 -exist

Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Patrick McHardy <kaber@trash.net>

diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h
index 5a262e3ae715999d1082801cfa25cc215b301cf3..277b7fbc7fb24a01707925408c5ead5b537f00ac 100644 (file)
--- a/include/linux/netfilter/ipset/ip_set.h
+++ b/include/linux/netfilter/ipset/ip_set.h
@@ -214,7 +214,8 @@ enum ip_set_feature {
 
 struct ip_set;
 
-typedef int (*ipset_adtfn)(struct ip_set *set, void *value, u32 timeout);
+typedef int (*ipset_adtfn)(struct ip_set *set, void *value,
+                          u32 timeout, u32 flags);
 
 /* Set type, variant-specific part */
 struct ip_set_type_variant {

diff --git a/include/linux/netfilter/ipset/ip_set_ahash.h b/include/linux/netfilter/ipset/ip_set_ahash.h
index ac3c822eb39a66e48253fd3e4193d755bed51bf5..36cf4dc703bbe32c1a604f3a4923d993cfa53bb8 100644 (file)
--- a/include/linux/netfilter/ipset/ip_set_ahash.h
+++ b/include/linux/netfilter/ipset/ip_set_ahash.h
@@ -349,7 +349,7 @@ retry:
 /* Add an element to a hash and update the internal counters when succeeded,
  * otherwise report the proper error code. */
 static int
-type_pf_add(struct ip_set *set, void *value, u32 timeout)
+type_pf_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct ip_set_hash *h = set->data;
        struct htable *t;
@@ -388,7 +388,7 @@ out:
  * and free up space if possible.
  */
 static int
-type_pf_del(struct ip_set *set, void *value, u32 timeout)
+type_pf_del(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct ip_set_hash *h = set->data;
        struct htable *t = h->table;
@@ -463,7 +463,7 @@ type_pf_test_cidrs(struct ip_set *set, struct type_pf_elem *d, u32 timeout)
 
 /* Test whether the element is added to the set */
 static int
-type_pf_test(struct ip_set *set, void *value, u32 timeout)
+type_pf_test(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct ip_set_hash *h = set->data;
        struct htable *t = h->table;
@@ -776,7 +776,7 @@ retry:
 }
 
 static int
-type_pf_tadd(struct ip_set *set, void *value, u32 timeout)
+type_pf_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct ip_set_hash *h = set->data;
        struct htable *t = h->table;
@@ -784,6 +784,7 @@ type_pf_tadd(struct ip_set *set, void *value, u32 timeout)
        struct hbucket *n;
        struct type_pf_elem *data;
        int ret = 0, i, j = AHASH_MAX_SIZE + 1;
+       bool flag_exist = flags & IPSET_FLAG_EXIST;
        u32 key;
 
        if (h->elements >= h->maxelem)
@@ -799,7 +800,7 @@ type_pf_tadd(struct ip_set *set, void *value, u32 timeout)
        for (i = 0; i < n->pos; i++) {
                data = ahash_tdata(n, i);
                if (type_pf_data_equal(data, d)) {
-                       if (type_pf_data_expired(data))
+                       if (type_pf_data_expired(data) || flag_exist)
                                j = i;
                        else {
                                ret = -IPSET_ERR_EXIST;
@@ -833,7 +834,7 @@ out:
 }
 
 static int
-type_pf_tdel(struct ip_set *set, void *value, u32 timeout)
+type_pf_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct ip_set_hash *h = set->data;
        struct htable *t = h->table;
@@ -905,7 +906,7 @@ type_pf_ttest_cidrs(struct ip_set *set, struct type_pf_elem *d, u32 timeout)
 #endif
 
 static int
-type_pf_ttest(struct ip_set *set, void *value, u32 timeout)
+type_pf_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct ip_set_hash *h = set->data;
        struct htable *t = h->table;

diff --git a/net/netfilter/ipset/ip_set_bitmap_ip.c b/net/netfilter/ipset/ip_set_bitmap_ip.c
index ba2d16607f48f3a0cd4a3c0a99f20150924971a3..85b1cdf0a4b80641a1d441798435b7610b183804 100644 (file)
--- a/net/netfilter/ipset/ip_set_bitmap_ip.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ip.c
@@ -54,7 +54,7 @@ ip_to_id(const struct bitmap_ip *m, u32 ip)
 }
 
 static int
-bitmap_ip_test(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_test(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        const struct bitmap_ip *map = set->data;
        u16 id = *(u16 *)value;
@@ -63,7 +63,7 @@ bitmap_ip_test(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ip_add(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct bitmap_ip *map = set->data;
        u16 id = *(u16 *)value;
@@ -75,7 +75,7 @@ bitmap_ip_add(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ip_del(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_del(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct bitmap_ip *map = set->data;
        u16 id = *(u16 *)value;
@@ -131,7 +131,7 @@ nla_put_failure:
 /* Timeout variant */
 
 static int
-bitmap_ip_ttest(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        const struct bitmap_ip *map = set->data;
        const unsigned long *members = map->members;
@@ -141,13 +141,13 @@ bitmap_ip_ttest(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ip_tadd(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct bitmap_ip *map = set->data;
        unsigned long *members = map->members;
        u16 id = *(u16 *)value;
 
-       if (ip_set_timeout_test(members[id]))
+       if (ip_set_timeout_test(members[id]) && !(flags & IPSET_FLAG_EXIST))
                return -IPSET_ERR_EXIST;
 
        members[id] = ip_set_timeout_set(timeout);
@@ -156,7 +156,7 @@ bitmap_ip_tadd(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ip_tdel(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct bitmap_ip *map = set->data;
        unsigned long *members = map->members;
@@ -231,7 +231,7 @@ bitmap_ip_kadt(struct ip_set *set, const struct sk_buff *skb,
 
        ip = ip_to_id(map, ip);
 
-       return adtfn(set, &ip, map->timeout);
+       return adtfn(set, &ip, map->timeout, flags);
 }
 
 static int
@@ -266,7 +266,7 @@ bitmap_ip_uadt(struct ip_set *set, struct nlattr *tb[],
 
        if (adt == IPSET_TEST) {
                id = ip_to_id(map, ip);
-               return adtfn(set, &id, timeout);
+               return adtfn(set, &id, timeout, flags);
        }
 
        if (tb[IPSET_ATTR_IP_TO]) {
@@ -293,7 +293,7 @@ bitmap_ip_uadt(struct ip_set *set, struct nlattr *tb[],
 
        for (; !before(ip_to, ip); ip += map->hosts) {
                id = ip_to_id(map, ip);
-               ret = adtfn(set, &id, timeout);
+               ret = adtfn(set, &id, timeout, flags);
 
                if (ret && !ip_set_eexist(ret, flags))
                        return ret;

diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index a274300b6a566faee28c3e10d31fdba1bbd212c0..913a461382e410973d3a25de771edb00fa933b2c 100644 (file)
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -99,7 +99,7 @@ bitmap_ipmac_exist(const struct ipmac_telem *elem)
 /* Base variant */
 
 static int
-bitmap_ipmac_test(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_test(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        const struct bitmap_ipmac *map = set->data;
        const struct ipmac *data = value;
@@ -117,7 +117,7 @@ bitmap_ipmac_test(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ipmac_add(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct bitmap_ipmac *map = set->data;
        const struct ipmac *data = value;
@@ -146,7 +146,7 @@ bitmap_ipmac_add(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ipmac_del(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_del(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct bitmap_ipmac *map = set->data;
        const struct ipmac *data = value;
@@ -212,7 +212,7 @@ nla_put_failure:
 /* Timeout variant */
 
 static int
-bitmap_ipmac_ttest(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        const struct bitmap_ipmac *map = set->data;
        const struct ipmac *data = value;
@@ -231,15 +231,16 @@ bitmap_ipmac_ttest(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct bitmap_ipmac *map = set->data;
        const struct ipmac *data = value;
        struct ipmac_telem *elem = bitmap_ipmac_elem(map, data->id);
+       bool flag_exist = flags & IPSET_FLAG_EXIST;
 
        switch (elem->match) {
        case MAC_UNSET:
-               if (!data->ether)
+               if (!(data->ether || flag_exist))
                        /* Already added without ethernet address */
                        return -IPSET_ERR_EXIST;
                /* Fill the MAC address and activate the timer */
@@ -251,7 +252,7 @@ bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout)
                elem->timeout = ip_set_timeout_set(timeout);
                break;
        case MAC_FILLED:
-               if (!bitmap_expired(map, data->id))
+               if (!(bitmap_expired(map, data->id) || flag_exist))
                        return -IPSET_ERR_EXIST;
                /* Fall through */
        case MAC_EMPTY:
@@ -273,7 +274,7 @@ bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ipmac_tdel(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct bitmap_ipmac *map = set->data;
        const struct ipmac *data = value;
@@ -359,7 +360,7 @@ bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb,
        data.id -= map->first_ip;
        data.ether = eth_hdr(skb)->h_source;
 
-       return adtfn(set, &data, map->timeout);
+       return adtfn(set, &data, map->timeout, flags);
 }
 
 static int
@@ -399,7 +400,7 @@ bitmap_ipmac_uadt(struct ip_set *set, struct nlattr *tb[],
 
        data.id -= map->first_ip;
 
-       ret = adtfn(set, &data, timeout);
+       ret = adtfn(set, &data, timeout, flags);
 
        return ip_set_eexist(ret, flags) ? 0 : ret;
 }

diff --git a/net/netfilter/ipset/ip_set_bitmap_port.c b/net/netfilter/ipset/ip_set_bitmap_port.c
index 6b38eb8f6ed823fc42ca7d0443349b506b8623f3..a3935eef76fcbed10bc9bd2478d86ef8a17ea4e2 100644 (file)
--- a/net/netfilter/ipset/ip_set_bitmap_port.c
+++ b/net/netfilter/ipset/ip_set_bitmap_port.c
@@ -40,7 +40,7 @@ struct bitmap_port {
 /* Base variant */
 
 static int
-bitmap_port_test(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_test(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        const struct bitmap_port *map = set->data;
        u16 id = *(u16 *)value;
@@ -49,7 +49,7 @@ bitmap_port_test(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_port_add(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct bitmap_port *map = set->data;
        u16 id = *(u16 *)value;
@@ -61,7 +61,7 @@ bitmap_port_add(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_port_del(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_del(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct bitmap_port *map = set->data;
        u16 id = *(u16 *)value;
@@ -119,7 +119,7 @@ nla_put_failure:
 /* Timeout variant */
 
 static int
-bitmap_port_ttest(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        const struct bitmap_port *map = set->data;
        const unsigned long *members = map->members;
@@ -129,13 +129,13 @@ bitmap_port_ttest(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_port_tadd(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct bitmap_port *map = set->data;
        unsigned long *members = map->members;
        u16 id = *(u16 *)value;
 
-       if (ip_set_timeout_test(members[id]))
+       if (ip_set_timeout_test(members[id]) && !(flags & IPSET_FLAG_EXIST))
                return -IPSET_ERR_EXIST;
 
        members[id] = ip_set_timeout_set(timeout);
@@ -144,7 +144,7 @@ bitmap_port_tadd(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_port_tdel(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
        struct bitmap_port *map = set->data;
        unsigned long *members = map->members;
@@ -225,7 +225,7 @@ bitmap_port_kadt(struct ip_set *set, const struct sk_buff *skb,
 
        port -= map->first_port;
 
-       return adtfn(set, &port, map->timeout);
+       return adtfn(set, &port, map->timeout, flags);
 }
 
 static int
@@ -259,7 +259,7 @@ bitmap_port_uadt(struct ip_set *set, struct nlattr *tb[],
 
        if (adt == IPSET_TEST) {
                id = port - map->first_port;
-               return adtfn(set, &id, timeout);
+               return adtfn(set, &id, timeout, flags);
        }
 
        if (tb[IPSET_ATTR_PORT_TO]) {
@@ -277,7 +277,7 @@ bitmap_port_uadt(struct ip_set *set, struct nlattr *tb[],
 
        for (; port <= port_to; port++) {
                id = port - map->first_port;
-               ret = adtfn(set, &id, timeout);
+               ret = adtfn(set, &id, timeout, flags);
 
                if (ret && !ip_set_eexist(ret, flags))
                        return ret;

diff --git a/net/netfilter/ipset/ip_set_hash_ip.c b/net/netfilter/ipset/ip_set_hash_ip.c
index 43bcce200129a1f9850cb5ab199102d0f4bb3b2e..36830200112063fea36a32dc8003e77bfef08380 100644 (file)
--- a/net/netfilter/ipset/ip_set_hash_ip.c
+++ b/net/netfilter/ipset/ip_set_hash_ip.c
@@ -121,7 +121,7 @@ hash_ip4_kadt(struct ip_set *set, const struct sk_buff *skb,
        if (ip == 0)
                return -EINVAL;
 
-       return adtfn(set, &ip, h->timeout);
+       return adtfn(set, &ip, h->timeout, flags);
 }
 
 static int
@@ -157,7 +157,7 @@ hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[],
                nip = htonl(ip);
                if (nip == 0)
                        return -IPSET_ERR_HASH_ELEM;
-               return adtfn(set, &nip, timeout);
+               return adtfn(set, &nip, timeout, flags);
        }
 
        if (tb[IPSET_ATTR_IP_TO]) {
@@ -182,7 +182,7 @@ hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[],
                nip = htonl(ip);
                if (nip == 0)
                        return -IPSET_ERR_HASH_ELEM;
-               ret = adtfn(set, &nip, timeout);
+               ret = adtfn(set, &nip, timeout, flags);
 
                if (ret && !ip_set_eexist(ret, flags))
                        return ret;
@@ -294,7 +294,7 @@ hash_ip6_kadt(struct ip_set *set, const struct sk_buff *skb,
        if (ipv6_addr_any(&ip.in6))
                return -EINVAL;
 
-       return adtfn(set, &ip, h->timeout);
+       return adtfn(set, &ip, h->timeout, flags);
 }
 
 static const struct nla_policy hash_ip6_adt_policy[IPSET_ATTR_ADT_MAX + 1] = {
@@ -336,7 +336,7 @@ hash_ip6_uadt(struct ip_set *set, struct nlattr *tb[],
                timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
        }
 
-       ret = adtfn(set, &ip, timeout);
+       ret = adtfn(set, &ip, timeout, flags);
 
        return ip_set_eexist(ret, flags) ? 0 : ret;
 }

diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c
index 14281b6b8074142aab9e300b408fc7f4b9b86ae9..65c2ff4b27aa30e54dfbf8bf58634c2c50179926 100644 (file)
--- a/net/netfilter/ipset/ip_set_hash_ipport.c
+++ b/net/netfilter/ipset/ip_set_hash_ipport.c
@@ -138,7 +138,7 @@ hash_ipport4_kadt(struct ip_set *set, const struct sk_buff *skb,
 
        ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
 
-       return adtfn(set, &data, h->timeout);
+       return adtfn(set, &data, h->timeout, flags);
 }
 
 static int
@@ -192,7 +192,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
        if (adt == IPSET_TEST ||
            !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
              tb[IPSET_ATTR_PORT_TO])) {
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
                return ip_set_eexist(ret, flags) ? 0 : ret;
        }
 
@@ -224,7 +224,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
                for (p = port; p <= port_to; p++) {
                        data.ip = htonl(ip);
                        data.port = htons(p);
-                       ret = adtfn(set, &data, timeout);
+                       ret = adtfn(set, &data, timeout, flags);
 
                        if (ret && !ip_set_eexist(ret, flags))
                                return ret;
@@ -342,7 +342,7 @@ hash_ipport6_kadt(struct ip_set *set, const struct sk_buff *skb,
 
        ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
 
-       return adtfn(set, &data, h->timeout);
+       return adtfn(set, &data, h->timeout, flags);
 }
 
 static int
@@ -396,7 +396,7 @@ hash_ipport6_uadt(struct ip_set *set, struct nlattr *tb[],
        }
 
        if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
                return ip_set_eexist(ret, flags) ? 0 : ret;
        }
 
@@ -407,7 +407,7 @@ hash_ipport6_uadt(struct ip_set *set, struct nlattr *tb[],
 
        for (; port <= port_to; port++) {
                data.port = htons(port);
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
 
                if (ret && !ip_set_eexist(ret, flags))
                        return ret;

diff --git a/net/netfilter/ipset/ip_set_hash_ipportip.c b/net/netfilter/ipset/ip_set_hash_ipportip.c
index 401c8a2531dbf471677ba4cb13923fda61e6d7cd..670e5e4a1232a4d6461fe8309beeaaecf406dd2b 100644 (file)
--- a/net/netfilter/ipset/ip_set_hash_ipportip.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportip.c
@@ -142,7 +142,7 @@ hash_ipportip4_kadt(struct ip_set *set, const struct sk_buff *skb,
        ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
        ip4addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2);
 
-       return adtfn(set, &data, h->timeout);
+       return adtfn(set, &data, h->timeout, flags);
 }
 
 static int
@@ -200,7 +200,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
        if (adt == IPSET_TEST ||
            !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
              tb[IPSET_ATTR_PORT_TO])) {
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
                return ip_set_eexist(ret, flags) ? 0 : ret;
        }
 
@@ -232,7 +232,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
                for (p = port; p <= port_to; p++) {
                        data.ip = htonl(ip);
                        data.port = htons(p);
-                       ret = adtfn(set, &data, timeout);
+                       ret = adtfn(set, &data, timeout, flags);
 
                        if (ret && !ip_set_eexist(ret, flags))
                                return ret;
@@ -356,7 +356,7 @@ hash_ipportip6_kadt(struct ip_set *set, const struct sk_buff *skb,
        ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
        ip6addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
 
-       return adtfn(set, &data, h->timeout);
+       return adtfn(set, &data, h->timeout, flags);
 }
 
 static int
@@ -414,7 +414,7 @@ hash_ipportip6_uadt(struct ip_set *set, struct nlattr *tb[],
        }
 
        if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
                return ip_set_eexist(ret, flags) ? 0 : ret;
        }
 
@@ -425,7 +425,7 @@ hash_ipportip6_uadt(struct ip_set *set, struct nlattr *tb[],
 
        for (; port <= port_to; port++) {
                data.port = htons(port);
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
 
                if (ret && !ip_set_eexist(ret, flags))
                        return ret;

diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c
index 4743e5402522fb6793c2022ade4bed020b240295..4bb365c9f3db03dde2785033c4d9b1f251ab8ea2 100644 (file)
--- a/net/netfilter/ipset/ip_set_hash_ipportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c
@@ -162,7 +162,7 @@ hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
        ip4addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2);
        data.ip2 &= ip_set_netmask(data.cidr);
 
-       return adtfn(set, &data, h->timeout);
+       return adtfn(set, &data, h->timeout, flags);
 }
 
 static int
@@ -228,7 +228,7 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
        if (adt == IPSET_TEST ||
            !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
              tb[IPSET_ATTR_PORT_TO])) {
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
                return ip_set_eexist(ret, flags) ? 0 : ret;
        }
 
@@ -260,7 +260,7 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
                for (p = port; p <= port_to; p++) {
                        data.ip = htonl(ip);
                        data.port = htons(p);
-                       ret = adtfn(set, &data, timeout);
+                       ret = adtfn(set, &data, timeout, flags);
 
                        if (ret && !ip_set_eexist(ret, flags))
                                return ret;
@@ -410,7 +410,7 @@ hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
        ip6addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
        ip6_netmask(&data.ip2, data.cidr);
 
-       return adtfn(set, &data, h->timeout);
+       return adtfn(set, &data, h->timeout, flags);
 }
 
 static int
@@ -476,7 +476,7 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
        }
 
        if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
                return ip_set_eexist(ret, flags) ? 0 : ret;
        }
 
@@ -487,7 +487,7 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 
        for (; port <= port_to; port++) {
                data.port = htons(port);
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
 
                if (ret && !ip_set_eexist(ret, flags))
                        return ret;

diff --git a/net/netfilter/ipset/ip_set_hash_net.c b/net/netfilter/ipset/ip_set_hash_net.c
index c4db202b7da4bcaefc22e9c637e3a242233c5c9e..440b38f9fe3b3e7d0b92a2fef1fb1bef941ee2b8 100644 (file)
--- a/net/netfilter/ipset/ip_set_hash_net.c
+++ b/net/netfilter/ipset/ip_set_hash_net.c
@@ -141,7 +141,7 @@ hash_net4_kadt(struct ip_set *set, const struct sk_buff *skb,
        ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
        data.ip &= ip_set_netmask(data.cidr);
 
-       return adtfn(set, &data, h->timeout);
+       return adtfn(set, &data, h->timeout, flags);
 }
 
 static int
@@ -179,7 +179,7 @@ hash_net4_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;
 }
@@ -306,7 +306,7 @@ hash_net6_kadt(struct ip_set *set, const struct sk_buff *skb,
        ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
        ip6_netmask(&data.ip, data.cidr);
 
-       return adtfn(set, &data, h->timeout);
+       return adtfn(set, &data, h->timeout, flags);
 }
 
 static int
@@ -344,7 +344,7 @@ 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;
 }

diff --git a/net/netfilter/ipset/ip_set_hash_netport.c b/net/netfilter/ipset/ip_set_hash_netport.c
index d2a40362dd3aadb6510ff1603a42e132eeeb5c7a..2d31291ba83eb68dc3388a59ae24673ad33897de 100644 (file)
--- a/net/netfilter/ipset/ip_set_hash_netport.c
+++ b/net/netfilter/ipset/ip_set_hash_netport.c
@@ -158,7 +158,7 @@ hash_netport4_kadt(struct ip_set *set, const struct sk_buff *skb,
        ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
        data.ip &= ip_set_netmask(data.cidr);
 
-       return adtfn(set, &data, h->timeout);
+       return adtfn(set, &data, h->timeout, flags);
 }
 
 static int
@@ -216,7 +216,7 @@ hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[],
        }
 
        if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
                return ip_set_eexist(ret, flags) ? 0 : ret;
        }
 
@@ -227,7 +227,7 @@ hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[],
 
        for (; port <= port_to; port++) {
                data.port = htons(port);
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
 
                if (ret && !ip_set_eexist(ret, flags))
                        return ret;
@@ -371,7 +371,7 @@ hash_netport6_kadt(struct ip_set *set, const struct sk_buff *skb,
        ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
        ip6_netmask(&data.ip, data.cidr);
 
-       return adtfn(set, &data, h->timeout);
+       return adtfn(set, &data, h->timeout, flags);
 }
 
 static int
@@ -429,7 +429,7 @@ hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
        }
 
        if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
                return ip_set_eexist(ret, flags) ? 0 : ret;
        }
 
@@ -440,7 +440,7 @@ hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
 
        for (; port <= port_to; port++) {
                data.port = htons(port);
-               ret = adtfn(set, &data, timeout);
+               ret = adtfn(set, &data, timeout, flags);
 
                if (ret && !ip_set_eexist(ret, flags))
                        return ret;

diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c
index e9159e99fc4bd491f2e0d11cecabed5172b1bd27..a0290ffad35549b42e14103b2c91ca7ab048bceb 100644 (file)
--- a/net/netfilter/ipset/ip_set_list_set.c
+++ b/net/netfilter/ipset/ip_set_list_set.c
@@ -109,15 +109,28 @@ list_set_kadt(struct ip_set *set, const struct sk_buff *skb,
 }
 
 static bool
-next_id_eq(const struct list_set *map, u32 i, ip_set_id_t id)
+id_eq(const struct list_set *map, u32 i, ip_set_id_t id)
 {
        const struct set_elem *elem;
 
-       if (i + 1 < map->size) {
-               elem = list_set_elem(map, i + 1);
+       if (i < map->size) {
+               elem = list_set_elem(map, i);
+               return elem->id == id;
+       }
+
+       return 0;
+}
+
+static bool
+id_eq_timeout(const struct list_set *map, u32 i, ip_set_id_t id)
+{
+       const struct set_elem *elem;
+
+       if (i < map->size) {
+               elem = list_set_elem(map, i);
                return !!(elem->id == id &&
                          !(with_timeout(map->timeout) &&
-                           list_set_expired(map, i + 1)));
+                           list_set_expired(map, i)));
        }
 
        return 0;
@@ -190,12 +203,26 @@ list_set_del(struct list_set *map, u32 i)
        return 0;
 }
 
+static void
+cleanup_entries(struct list_set *map)
+{
+       struct set_telem *e;
+       u32 i;
+
+       for (i = 0; i < map->size; i++) {
+               e = list_set_telem(map, i);
+               if (e->id != IPSET_INVALID_ID && list_set_expired(map, i))
+                       list_set_del(map, i);
+       }
+}
+
 static int
 list_set_uadt(struct ip_set *set, struct nlattr *tb[],
              enum ipset_adt adt, u32 *lineno, u32 flags)
 {
        struct list_set *map = set->data;
        bool with_timeout = with_timeout(map->timeout);
+       bool flag_exist = flags & IPSET_FLAG_EXIST;
        int before = 0;
        u32 timeout = map->timeout;
        ip_set_id_t id, refid = IPSET_INVALID_ID;
@@ -248,6 +275,8 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
                }
                timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
        }
+       if (with_timeout && adt != IPSET_TEST)
+               cleanup_entries(map);
 
        switch (adt) {
        case IPSET_TEST:
@@ -259,22 +288,37 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
                        else if (with_timeout && list_set_expired(map, i))
                                continue;
                        else if (before > 0 && elem->id == id)
-                               ret = next_id_eq(map, i, refid);
+                               ret = id_eq_timeout(map, i + 1, refid);
                        else if (before < 0 && elem->id == refid)
-                               ret = next_id_eq(map, i, id);
+                               ret = id_eq_timeout(map, i + 1, id);
                        else if (before == 0 && elem->id == id)
                                ret = 1;
                }
                break;
        case IPSET_ADD:
-               for (i = 0; i < map->size && !ret; i++) {
+               for (i = 0; i < map->size; i++) {
                        elem = list_set_elem(map, i);
-                       if (elem->id == id &&
-                           !(with_timeout && list_set_expired(map, i)))
+                       if (elem->id != id)
+                               continue;
+                       if (!(with_timeout && flag_exist)) {
                                ret = -IPSET_ERR_EXIST;
+                               goto finish;
+                       } else {
+                               struct set_telem *e = list_set_telem(map, i);
+
+                               if ((before > 1 &&
+                                    !id_eq(map, i + 1, refid)) ||
+                                   (before < 0 &&
+                                    (i == 0 || !id_eq(map, i - 1, refid)))) {
+                                       ret = -IPSET_ERR_EXIST;
+                                       goto finish;
+                               }
+                               e->timeout = ip_set_timeout_set(timeout);
+                               ip_set_put_byindex(id);
+                               ret = 0;
+                               goto finish;
+                       }
                }
-               if (ret == -IPSET_ERR_EXIST)
-                       break;
                ret = -IPSET_ERR_LIST_FULL;
                for (i = 0; i < map->size && ret == -IPSET_ERR_LIST_FULL; i++) {
                        elem = list_set_elem(map, i);
@@ -283,9 +327,7 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
                                        : list_set_add(map, i, id, timeout);
                        else if (elem->id != refid)
                                continue;
-                       else if (with_timeout && list_set_expired(map, i))
-                               ret = -IPSET_ERR_REF_EXIST;
-                       else if (before)
+                       else if (before > 0)
                                ret = list_set_add(map, i, id, timeout);
                        else if (i + 1 < map->size)
                                ret = list_set_add(map, i + 1, id, timeout);
@@ -299,16 +341,12 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
                                ret = before != 0 ? -IPSET_ERR_REF_EXIST
                                                  : -IPSET_ERR_EXIST;
                                break;
-                       } else if (with_timeout && list_set_expired(map, i))
-                               continue;
-                       else if (elem->id == id &&
-                                (before == 0 ||
-                                 (before > 0 &&
-                                  next_id_eq(map, i, refid))))
+                       } else if (elem->id == id &&
+                                  (before == 0 ||
+                                   (before > 0 && id_eq(map, i + 1, refid))))
                                ret = list_set_del(map, i);
-                       else if (before < 0 &&
-                                elem->id == refid &&
-                                next_id_eq(map, i, id))
+                       else if (elem->id == refid &&
+                                before < 0 && id_eq(map, i + 1, id))
                                ret = list_set_del(map, i + 1);
                }
                break;
@@ -454,15 +492,9 @@ list_set_gc(unsigned long ul_set)
 {
        struct ip_set *set = (struct ip_set *) ul_set;
        struct list_set *map = set->data;
-       struct set_telem *e;
-       u32 i;
 
        write_lock_bh(&set->lock);
-       for (i = 0; i < map->size; i++) {
-               e = list_set_telem(map, i);
-               if (e->id != IPSET_INVALID_ID && list_set_expired(map, i))
-                       list_set_del(map, i);
-       }
+       cleanup_entries(map);
        write_unlock_bh(&set->lock);
 
        map->gc.expires = jiffies + IPSET_GC_PERIOD(map->timeout) * HZ;