diff options
Diffstat (limited to 'net/netfilter/ipset')
| -rw-r--r-- | net/netfilter/ipset/Kconfig | 11 | ||||
| -rw-r--r-- | net/netfilter/ipset/Makefile | 1 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_bitmap_gen.h | 11 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_bitmap_port.c | 2 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_core.c | 155 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_hash_gen.h | 64 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_hash_ip.c | 3 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_hash_ipmark.c | 321 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_hash_ipport.c | 3 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_hash_ipportip.c | 3 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_hash_ipportnet.c | 3 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_hash_net.c | 3 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_hash_netiface.c | 30 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_hash_netnet.c | 34 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_hash_netport.c | 3 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_hash_netportnet.c | 25 | ||||
| -rw-r--r-- | net/netfilter/ipset/ip_set_list_set.c | 11 | ||||
| -rw-r--r-- | net/netfilter/ipset/pfxlen.c | 4 |
18 files changed, 510 insertions, 177 deletions
diff --git a/net/netfilter/ipset/Kconfig b/net/netfilter/ipset/Kconfig index a2d6263b6c6..2f7f5c32c6f 100644 --- a/net/netfilter/ipset/Kconfig +++ b/net/netfilter/ipset/Kconfig @@ -21,7 +21,7 @@ config IP_SET_MAX You can define here default value of the maximum number of IP sets for the kernel. - The value can be overriden by the 'max_sets' module + The value can be overridden by the 'max_sets' module parameter of the 'ip_set' module. config IP_SET_BITMAP_IP @@ -61,6 +61,15 @@ config IP_SET_HASH_IP To compile it as a module, choose M here. If unsure, say N. +config IP_SET_HASH_IPMARK + tristate "hash:ip,mark set support" + depends on IP_SET + help + This option adds the hash:ip,mark set type support, by which one + can store IPv4/IPv6 address and mark pairs. + + To compile it as a module, choose M here. If unsure, say N. + config IP_SET_HASH_IPPORT tristate "hash:ip,port set support" depends on IP_SET diff --git a/net/netfilter/ipset/Makefile b/net/netfilter/ipset/Makefile index 44b2d38476f..231f10196cb 100644 --- a/net/netfilter/ipset/Makefile +++ b/net/netfilter/ipset/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_IP_SET_BITMAP_PORT) += ip_set_bitmap_port.o # hash types obj-$(CONFIG_IP_SET_HASH_IP) += ip_set_hash_ip.o +obj-$(CONFIG_IP_SET_HASH_IPMARK) += ip_set_hash_ipmark.o obj-$(CONFIG_IP_SET_HASH_IPPORT) += ip_set_hash_ipport.o obj-$(CONFIG_IP_SET_HASH_IPPORTIP) += ip_set_hash_ipportip.o obj-$(CONFIG_IP_SET_HASH_IPPORTNET) += ip_set_hash_ipportnet.o diff --git a/net/netfilter/ipset/ip_set_bitmap_gen.h b/net/netfilter/ipset/ip_set_bitmap_gen.h index a13e15be791..f2c7d83dc23 100644 --- a/net/netfilter/ipset/ip_set_bitmap_gen.h +++ b/net/netfilter/ipset/ip_set_bitmap_gen.h @@ -198,13 +198,14 @@ mtype_list(const struct ip_set *set, struct mtype *map = set->data; struct nlattr *adt, *nested; void *x; - u32 id, first = cb->args[2]; + u32 id, first = cb->args[IPSET_CB_ARG0]; adt = ipset_nest_start(skb, IPSET_ATTR_ADT); if (!adt) return -EMSGSIZE; - for (; cb->args[2] < map->elements; cb->args[2]++) { - id = cb->args[2]; + for (; cb->args[IPSET_CB_ARG0] < map->elements; + cb->args[IPSET_CB_ARG0]++) { + id = cb->args[IPSET_CB_ARG0]; x = get_ext(set, map, id); if (!test_bit(id, map->members) || (SET_WITH_TIMEOUT(set) && @@ -231,14 +232,14 @@ mtype_list(const struct ip_set *set, ipset_nest_end(skb, adt); /* Set listing finished */ - cb->args[2] = 0; + cb->args[IPSET_CB_ARG0] = 0; return 0; nla_put_failure: nla_nest_cancel(skb, nested); if (unlikely(id == first)) { - cb->args[2] = 0; + cb->args[IPSET_CB_ARG0] = 0; return -EMSGSIZE; } ipset_nest_end(skb, adt); diff --git a/net/netfilter/ipset/ip_set_bitmap_port.c b/net/netfilter/ipset/ip_set_bitmap_port.c index e7603c5b53d..cf99676e69f 100644 --- a/net/netfilter/ipset/ip_set_bitmap_port.c +++ b/net/netfilter/ipset/ip_set_bitmap_port.c @@ -254,7 +254,7 @@ bitmap_port_create(struct net *net, struct ip_set *set, struct nlattr *tb[], return -ENOMEM; map->elements = last_port - first_port + 1; - map->memsize = map->elements * sizeof(unsigned long); + map->memsize = bitmap_bytes(0, map->elements); set->variant = &bitmap_port; set->dsize = ip_set_elem_len(set, tb, 0); if (!init_map_port(set, map, first_port, last_port)) { diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index dc9284bdd2d..ec8114fae50 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -54,10 +54,10 @@ MODULE_DESCRIPTION("core IP set support"); MODULE_ALIAS_NFNL_SUBSYS(NFNL_SUBSYS_IPSET); /* When the nfnl mutex is held: */ -#define nfnl_dereference(p) \ +#define ip_set_dereference(p) \ rcu_dereference_protected(p, 1) -#define nfnl_set(inst, id) \ - nfnl_dereference((inst)->ip_set_list)[id] +#define ip_set(inst, id) \ + ip_set_dereference((inst)->ip_set_list)[id] /* * The set types are implemented in modules and registered set types @@ -271,10 +271,7 @@ ip_set_free(void *members) { pr_debug("%p: free with %s\n", members, is_vmalloc_addr(members) ? "vfree" : "kfree"); - if (is_vmalloc_addr(members)) - vfree(members); - else - kfree(members); + kvfree(members); } EXPORT_SYMBOL_GPL(ip_set_free); @@ -368,6 +365,8 @@ ip_set_elem_len(struct ip_set *set, struct nlattr *tb[], size_t len) if (tb[IPSET_ATTR_CADT_FLAGS]) cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]); + if (cadt_flags & IPSET_FLAG_WITH_FORCEADD) + set->flags |= IPSET_CREATE_FLAG_FORCEADD; for (id = 0; id < IPSET_EXT_ID_MAX; id++) { if (!add_extension(id, cadt_flags, tb)) continue; @@ -510,7 +509,7 @@ ip_set_add(ip_set_id_t index, const struct sk_buff *skb, if (opt->dim < set->type->dimension || !(opt->family == set->family || set->family == NFPROTO_UNSPEC)) - return 0; + return -IPSET_ERR_TYPE_MISMATCH; write_lock_bh(&set->lock); ret = set->variant->kadt(set, skb, par, IPSET_ADD, opt); @@ -533,7 +532,7 @@ ip_set_del(ip_set_id_t index, const struct sk_buff *skb, if (opt->dim < set->type->dimension || !(opt->family == set->family || set->family == NFPROTO_UNSPEC)) - return 0; + return -IPSET_ERR_TYPE_MISMATCH; write_lock_bh(&set->lock); ret = set->variant->kadt(set, skb, par, IPSET_DEL, opt); @@ -625,34 +624,6 @@ EXPORT_SYMBOL_GPL(ip_set_name_byindex); */ /* - * Find set by name, reference it once. The reference makes sure the - * thing pointed to, does not go away under our feet. - * - * The nfnl mutex is used in the function. - */ -ip_set_id_t -ip_set_nfnl_get(struct net *net, const char *name) -{ - ip_set_id_t i, index = IPSET_INVALID_ID; - struct ip_set *s; - struct ip_set_net *inst = ip_set_pernet(net); - - nfnl_lock(NFNL_SUBSYS_IPSET); - for (i = 0; i < inst->ip_set_max; i++) { - s = nfnl_set(inst, i); - if (s != NULL && STREQ(s->name, name)) { - __ip_set_get(s); - index = i; - break; - } - } - nfnl_unlock(NFNL_SUBSYS_IPSET); - - return index; -} -EXPORT_SYMBOL_GPL(ip_set_nfnl_get); - -/* * Find set by index, reference it once. The reference makes sure the * thing pointed to, does not go away under our feet. * @@ -668,7 +639,7 @@ ip_set_nfnl_get_byindex(struct net *net, ip_set_id_t index) return IPSET_INVALID_ID; nfnl_lock(NFNL_SUBSYS_IPSET); - set = nfnl_set(inst, index); + set = ip_set(inst, index); if (set) __ip_set_get(set); else @@ -694,7 +665,7 @@ ip_set_nfnl_put(struct net *net, ip_set_id_t index) nfnl_lock(NFNL_SUBSYS_IPSET); if (!inst->is_deleted) { /* already deleted from ip_set_net_exit() */ - set = nfnl_set(inst, index); + set = ip_set(inst, index); if (set != NULL) __ip_set_put(set); } @@ -762,7 +733,7 @@ find_set_and_id(struct ip_set_net *inst, const char *name, ip_set_id_t *id) *id = IPSET_INVALID_ID; for (i = 0; i < inst->ip_set_max; i++) { - set = nfnl_set(inst, i); + set = ip_set(inst, i); if (set != NULL && STREQ(set->name, name)) { *id = i; break; @@ -788,7 +759,7 @@ find_free_id(struct ip_set_net *inst, const char *name, ip_set_id_t *index, *index = IPSET_INVALID_ID; for (i = 0; i < inst->ip_set_max; i++) { - s = nfnl_set(inst, i); + s = ip_set(inst, i); if (s == NULL) { if (*index == IPSET_INVALID_ID) *index = i; @@ -911,7 +882,7 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb, if (!list) goto cleanup; /* nfnl mutex is held, both lists are valid */ - tmp = nfnl_dereference(inst->ip_set_list); + tmp = ip_set_dereference(inst->ip_set_list); memcpy(list, tmp, sizeof(struct ip_set *) * inst->ip_set_max); rcu_assign_pointer(inst->ip_set_list, list); /* Make sure all current packets have passed through */ @@ -928,7 +899,7 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb, * Finally! Add our shiny new set to the list, and be done. */ pr_debug("create: '%s' created with index %u!\n", set->name, index); - nfnl_set(inst, index) = set; + ip_set(inst, index) = set; return ret; @@ -953,10 +924,10 @@ ip_set_setname_policy[IPSET_ATTR_CMD_MAX + 1] = { static void ip_set_destroy_set(struct ip_set_net *inst, ip_set_id_t index) { - struct ip_set *set = nfnl_set(inst, index); + struct ip_set *set = ip_set(inst, index); pr_debug("set: %s\n", set->name); - nfnl_set(inst, index) = NULL; + ip_set(inst, index) = NULL; /* Must call it without holding any lock */ set->variant->destroy(set); @@ -990,7 +961,7 @@ ip_set_destroy(struct sock *ctnl, struct sk_buff *skb, read_lock_bh(&ip_set_ref_lock); if (!attr[IPSET_ATTR_SETNAME]) { for (i = 0; i < inst->ip_set_max; i++) { - s = nfnl_set(inst, i); + s = ip_set(inst, i); if (s != NULL && s->ref) { ret = -IPSET_ERR_BUSY; goto out; @@ -998,7 +969,7 @@ ip_set_destroy(struct sock *ctnl, struct sk_buff *skb, } read_unlock_bh(&ip_set_ref_lock); for (i = 0; i < inst->ip_set_max; i++) { - s = nfnl_set(inst, i); + s = ip_set(inst, i); if (s != NULL) ip_set_destroy_set(inst, i); } @@ -1048,7 +1019,7 @@ ip_set_flush(struct sock *ctnl, struct sk_buff *skb, if (!attr[IPSET_ATTR_SETNAME]) { for (i = 0; i < inst->ip_set_max; i++) { - s = nfnl_set(inst, i); + s = ip_set(inst, i); if (s != NULL) ip_set_flush_set(s); } @@ -1102,7 +1073,7 @@ ip_set_rename(struct sock *ctnl, struct sk_buff *skb, name2 = nla_data(attr[IPSET_ATTR_SETNAME2]); for (i = 0; i < inst->ip_set_max; i++) { - s = nfnl_set(inst, i); + s = ip_set(inst, i); if (s != NULL && STREQ(s->name, name2)) { ret = -IPSET_ERR_EXIST_SETNAME2; goto out; @@ -1162,8 +1133,8 @@ ip_set_swap(struct sock *ctnl, struct sk_buff *skb, write_lock_bh(&ip_set_ref_lock); swap(from->ref, to->ref); - nfnl_set(inst, from_id) = to; - nfnl_set(inst, to_id) = from; + ip_set(inst, from_id) = to; + ip_set(inst, to_id) = from; write_unlock_bh(&ip_set_ref_lock); return 0; @@ -1182,10 +1153,12 @@ ip_set_swap(struct sock *ctnl, struct sk_buff *skb, static int ip_set_dump_done(struct netlink_callback *cb) { - struct ip_set_net *inst = (struct ip_set_net *)cb->data; - if (cb->args[2]) { - pr_debug("release set %s\n", nfnl_set(inst, cb->args[1])->name); - __ip_set_put_byindex(inst, (ip_set_id_t) cb->args[1]); + struct ip_set_net *inst = (struct ip_set_net *)cb->args[IPSET_CB_NET]; + if (cb->args[IPSET_CB_ARG0]) { + pr_debug("release set %s\n", + ip_set(inst, cb->args[IPSET_CB_INDEX])->name); + __ip_set_put_byindex(inst, + (ip_set_id_t) cb->args[IPSET_CB_INDEX]); } return 0; } @@ -1203,7 +1176,7 @@ dump_attrs(struct nlmsghdr *nlh) } static int -dump_init(struct netlink_callback *cb) +dump_init(struct netlink_callback *cb, struct ip_set_net *inst) { struct nlmsghdr *nlh = nlmsg_hdr(cb->skb); int min_len = nlmsg_total_size(sizeof(struct nfgenmsg)); @@ -1211,15 +1184,15 @@ dump_init(struct netlink_callback *cb) struct nlattr *attr = (void *)nlh + min_len; u32 dump_type; ip_set_id_t index; - struct ip_set_net *inst = (struct ip_set_net *)cb->data; /* Second pass, so parser can't fail */ nla_parse(cda, IPSET_ATTR_CMD_MAX, attr, nlh->nlmsg_len - min_len, ip_set_setname_policy); - /* cb->args[0] : dump single set/all sets - * [1] : set index - * [..]: type specific + /* cb->args[IPSET_CB_NET]: net namespace + * [IPSET_CB_DUMP]: dump single set/all sets + * [IPSET_CB_INDEX]: set index + * [IPSET_CB_ARG0]: type specific */ if (cda[IPSET_ATTR_SETNAME]) { @@ -1231,7 +1204,7 @@ dump_init(struct netlink_callback *cb) return -ENOENT; dump_type = DUMP_ONE; - cb->args[1] = index; + cb->args[IPSET_CB_INDEX] = index; } else dump_type = DUMP_ALL; @@ -1239,7 +1212,8 @@ dump_init(struct netlink_callback *cb) u32 f = ip_set_get_h32(cda[IPSET_ATTR_FLAGS]); dump_type |= (f << 16); } - cb->args[0] = dump_type; + cb->args[IPSET_CB_NET] = (unsigned long)inst; + cb->args[IPSET_CB_DUMP] = dump_type; return 0; } @@ -1251,12 +1225,12 @@ ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb) struct ip_set *set = NULL; struct nlmsghdr *nlh = NULL; unsigned int flags = NETLINK_CB(cb->skb).portid ? NLM_F_MULTI : 0; + struct ip_set_net *inst = ip_set_pernet(sock_net(skb->sk)); u32 dump_type, dump_flags; int ret = 0; - struct ip_set_net *inst = (struct ip_set_net *)cb->data; - if (!cb->args[0]) { - ret = dump_init(cb); + if (!cb->args[IPSET_CB_DUMP]) { + ret = dump_init(cb, inst); if (ret < 0) { nlh = nlmsg_hdr(cb->skb); /* We have to create and send the error message @@ -1267,18 +1241,19 @@ ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb) } } - if (cb->args[1] >= inst->ip_set_max) + if (cb->args[IPSET_CB_INDEX] >= inst->ip_set_max) goto out; - dump_type = DUMP_TYPE(cb->args[0]); - dump_flags = DUMP_FLAGS(cb->args[0]); - max = dump_type == DUMP_ONE ? cb->args[1] + 1 : inst->ip_set_max; + dump_type = DUMP_TYPE(cb->args[IPSET_CB_DUMP]); + dump_flags = DUMP_FLAGS(cb->args[IPSET_CB_DUMP]); + max = dump_type == DUMP_ONE ? cb->args[IPSET_CB_INDEX] + 1 + : inst->ip_set_max; dump_last: - pr_debug("args[0]: %u %u args[1]: %ld\n", - dump_type, dump_flags, cb->args[1]); - for (; cb->args[1] < max; cb->args[1]++) { - index = (ip_set_id_t) cb->args[1]; - set = nfnl_set(inst, index); + pr_debug("dump type, flag: %u %u index: %ld\n", + dump_type, dump_flags, cb->args[IPSET_CB_INDEX]); + for (; cb->args[IPSET_CB_INDEX] < max; cb->args[IPSET_CB_INDEX]++) { + index = (ip_set_id_t) cb->args[IPSET_CB_INDEX]; + set = ip_set(inst, index); if (set == NULL) { if (dump_type == DUMP_ONE) { ret = -ENOENT; @@ -1294,7 +1269,7 @@ dump_last: !!(set->type->features & IPSET_DUMP_LAST))) continue; pr_debug("List set: %s\n", set->name); - if (!cb->args[2]) { + if (!cb->args[IPSET_CB_ARG0]) { /* Start listing: make sure set won't be destroyed */ pr_debug("reference set\n"); __ip_set_get(set); @@ -1311,7 +1286,7 @@ dump_last: goto nla_put_failure; if (dump_flags & IPSET_FLAG_LIST_SETNAME) goto next_set; - switch (cb->args[2]) { + switch (cb->args[IPSET_CB_ARG0]) { case 0: /* Core header data */ if (nla_put_string(skb, IPSET_ATTR_TYPENAME, @@ -1331,7 +1306,7 @@ dump_last: read_lock_bh(&set->lock); ret = set->variant->list(set, skb, cb); read_unlock_bh(&set->lock); - if (!cb->args[2]) + if (!cb->args[IPSET_CB_ARG0]) /* Set is done, proceed with next one */ goto next_set; goto release_refcount; @@ -1340,8 +1315,8 @@ dump_last: /* If we dump all sets, continue with dumping last ones */ if (dump_type == DUMP_ALL) { dump_type = DUMP_LAST; - cb->args[0] = dump_type | (dump_flags << 16); - cb->args[1] = 0; + cb->args[IPSET_CB_DUMP] = dump_type | (dump_flags << 16); + cb->args[IPSET_CB_INDEX] = 0; goto dump_last; } goto out; @@ -1350,15 +1325,15 @@ nla_put_failure: ret = -EFAULT; next_set: if (dump_type == DUMP_ONE) - cb->args[1] = IPSET_INVALID_ID; + cb->args[IPSET_CB_INDEX] = IPSET_INVALID_ID; else - cb->args[1]++; + cb->args[IPSET_CB_INDEX]++; release_refcount: /* If there was an error or set is done, release set */ - if (ret || !cb->args[2]) { - pr_debug("release set %s\n", nfnl_set(inst, index)->name); + if (ret || !cb->args[IPSET_CB_ARG0]) { + pr_debug("release set %s\n", ip_set(inst, index)->name); __ip_set_put_byindex(inst, index); - cb->args[2] = 0; + cb->args[IPSET_CB_ARG0] = 0; } out: if (nlh) { @@ -1375,8 +1350,6 @@ ip_set_dump(struct sock *ctnl, struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const attr[]) { - struct ip_set_net *inst = ip_set_pernet(sock_net(ctnl)); - if (unlikely(protocol_failed(attr))) return -IPSET_ERR_PROTOCOL; @@ -1384,7 +1357,6 @@ ip_set_dump(struct sock *ctnl, struct sk_buff *skb, struct netlink_dump_control c = { .dump = ip_set_dump_start, .done = ip_set_dump_done, - .data = (void *)inst }; return netlink_dump_start(ctnl, skb, nlh, &c); } @@ -1914,7 +1886,7 @@ ip_set_sockfn_get(struct sock *sk, int optval, void __user *user, int *len) find_set_and_id(inst, req_get->set.name, &id); req_get->set.index = id; if (id != IPSET_INVALID_ID) - req_get->family = nfnl_set(inst, id)->family; + req_get->family = ip_set(inst, id)->family; nfnl_unlock(NFNL_SUBSYS_IPSET); goto copy; } @@ -1928,7 +1900,7 @@ ip_set_sockfn_get(struct sock *sk, int optval, void __user *user, int *len) goto done; } nfnl_lock(NFNL_SUBSYS_IPSET); - set = nfnl_set(inst, req_get->set.index); + set = ip_set(inst, req_get->set.index); strncpy(req_get->set.name, set ? set->name : "", IPSET_MAXNAMELEN); nfnl_unlock(NFNL_SUBSYS_IPSET); @@ -1961,7 +1933,6 @@ static int __net_init ip_set_net_init(struct net *net) { struct ip_set_net *inst = ip_set_pernet(net); - struct ip_set **list; inst->ip_set_max = max_sets ? max_sets : CONFIG_IP_SET_MAX; @@ -1973,7 +1944,6 @@ ip_set_net_init(struct net *net) return -ENOMEM; inst->is_deleted = 0; rcu_assign_pointer(inst->ip_set_list, list); - pr_notice("ip_set: protocol %u\n", IPSET_PROTOCOL); return 0; } @@ -1988,7 +1958,7 @@ ip_set_net_exit(struct net *net) inst->is_deleted = 1; /* flag for ip_set_nfnl_put */ for (i = 0; i < inst->ip_set_max; i++) { - set = nfnl_set(inst, i); + set = ip_set(inst, i); if (set != NULL) ip_set_destroy_set(inst, i); } @@ -2024,6 +1994,7 @@ ip_set_init(void) nfnetlink_subsys_unregister(&ip_set_netlink_subsys); return ret; } + pr_info("ip_set: protocol %u\n", IPSET_PROTOCOL); return 0; } diff --git a/net/netfilter/ipset/ip_set_hash_gen.h b/net/netfilter/ipset/ip_set_hash_gen.h index 6a80dbd30df..61c7fb05280 100644 --- a/net/netfilter/ipset/ip_set_hash_gen.h +++ b/net/netfilter/ipset/ip_set_hash_gen.h @@ -234,7 +234,6 @@ hbucket_elem_add(struct hbucket *n, u8 ahash_max, size_t dsize) #define mtype_uadt IPSET_TOKEN(MTYPE, _uadt) #define mtype MTYPE -#define mtype_elem IPSET_TOKEN(MTYPE, _elem) #define mtype_add IPSET_TOKEN(MTYPE, _add) #define mtype_del IPSET_TOKEN(MTYPE, _del) #define mtype_test_cidrs IPSET_TOKEN(MTYPE, _test_cidrs) @@ -264,6 +263,9 @@ struct htype { u32 maxelem; /* max elements in the hash */ u32 elements; /* current element (vs timeout) */ u32 initval; /* random jhash init value */ +#ifdef IP_SET_HASH_WITH_MARKMASK + u32 markmask; /* markmask value for mark mask to store */ +#endif struct timer_list gc; /* garbage collection when timeout enabled */ struct mtype_elem next; /* temporary storage for uadd */ #ifdef IP_SET_HASH_WITH_MULTI @@ -455,6 +457,9 @@ mtype_same_set(const struct ip_set *a, const struct ip_set *b) #ifdef IP_SET_HASH_WITH_NETMASK x->netmask == y->netmask && #endif +#ifdef IP_SET_HASH_WITH_MARKMASK + x->markmask == y->markmask && +#endif a->extensions == b->extensions; } @@ -628,6 +633,18 @@ mtype_add(struct ip_set *set, void *value, const struct ip_set_ext *ext, bool flag_exist = flags & IPSET_FLAG_EXIST; u32 key, multi = 0; + if (h->elements >= h->maxelem && SET_WITH_FORCEADD(set)) { + rcu_read_lock_bh(); + t = rcu_dereference_bh(h->table); + key = HKEY(value, h->initval, t->htable_bits); + n = hbucket(t,key); + if (n->pos) { + /* Choosing the first entry in the array to replace */ + j = 0; + goto reuse_slot; + } + rcu_read_unlock_bh(); + } if (SET_WITH_TIMEOUT(set) && h->elements >= h->maxelem) /* FIXME: when set is full, we slow down here */ mtype_expire(set, h, NLEN(set->family), set->dsize); @@ -909,6 +926,10 @@ mtype_head(struct ip_set *set, struct sk_buff *skb) nla_put_u8(skb, IPSET_ATTR_NETMASK, h->netmask)) goto nla_put_failure; #endif +#ifdef IP_SET_HASH_WITH_MARKMASK + if (nla_put_u32(skb, IPSET_ATTR_MARKMASK, h->markmask)) + goto nla_put_failure; +#endif if (nla_put_net32(skb, IPSET_ATTR_REFERENCES, htonl(set->ref - 1)) || nla_put_net32(skb, IPSET_ATTR_MEMSIZE, htonl(memsize))) goto nla_put_failure; @@ -931,7 +952,7 @@ mtype_list(const struct ip_set *set, struct nlattr *atd, *nested; const struct hbucket *n; const struct mtype_elem *e; - u32 first = cb->args[2]; + u32 first = cb->args[IPSET_CB_ARG0]; /* We assume that one hash bucket fills into one page */ void *incomplete; int i; @@ -940,20 +961,22 @@ mtype_list(const struct ip_set *set, if (!atd) return -EMSGSIZE; pr_debug("list hash set %s\n", set->name); - for (; cb->args[2] < jhash_size(t->htable_bits); cb->args[2]++) { + for (; cb->args[IPSET_CB_ARG0] < jhash_size(t->htable_bits); + cb->args[IPSET_CB_ARG0]++) { incomplete = skb_tail_pointer(skb); - n = hbucket(t, cb->args[2]); - pr_debug("cb->args[2]: %lu, t %p n %p\n", cb->args[2], t, n); + n = hbucket(t, cb->args[IPSET_CB_ARG0]); + pr_debug("cb->arg bucket: %lu, t %p n %p\n", + cb->args[IPSET_CB_ARG0], t, n); for (i = 0; i < n->pos; i++) { e = ahash_data(n, i, set->dsize); if (SET_WITH_TIMEOUT(set) && ip_set_timeout_expired(ext_timeout(e, set))) continue; pr_debug("list hash %lu hbucket %p i %u, data %p\n", - cb->args[2], n, i, e); + cb->args[IPSET_CB_ARG0], n, i, e); nested = ipset_nest_start(skb, IPSET_ATTR_DATA); if (!nested) { - if (cb->args[2] == first) { + if (cb->args[IPSET_CB_ARG0] == first) { nla_nest_cancel(skb, atd); return -EMSGSIZE; } else @@ -968,16 +991,16 @@ mtype_list(const struct ip_set *set, } ipset_nest_end(skb, atd); /* Set listing finished */ - cb->args[2] = 0; + cb->args[IPSET_CB_ARG0] = 0; return 0; nla_put_failure: nlmsg_trim(skb, incomplete); - if (unlikely(first == cb->args[2])) { + if (unlikely(first == cb->args[IPSET_CB_ARG0])) { pr_warning("Can't list set %s: one bucket does not fit into " "a message. Please report it!\n", set->name); - cb->args[2] = 0; + cb->args[IPSET_CB_ARG0] = 0; return -EMSGSIZE; } ipset_nest_end(skb, atd); @@ -1015,6 +1038,9 @@ IPSET_TOKEN(HTYPE, _create)(struct net *net, struct ip_set *set, struct nlattr *tb[], u32 flags) { u32 hashsize = IPSET_DEFAULT_HASHSIZE, maxelem = IPSET_DEFAULT_MAXELEM; +#ifdef IP_SET_HASH_WITH_MARKMASK + u32 markmask; +#endif u8 hbits; #ifdef IP_SET_HASH_WITH_NETMASK u8 netmask; @@ -1025,6 +1051,10 @@ IPSET_TOKEN(HTYPE, _create)(struct net *net, struct ip_set *set, if (!(set->family == NFPROTO_IPV4 || set->family == NFPROTO_IPV6)) return -IPSET_ERR_INVALID_FAMILY; + +#ifdef IP_SET_HASH_WITH_MARKMASK + markmask = 0xffffffff; +#endif #ifdef IP_SET_HASH_WITH_NETMASK netmask = set->family == NFPROTO_IPV4 ? 32 : 128; pr_debug("Create set %s with family %s\n", @@ -1033,6 +1063,9 @@ IPSET_TOKEN(HTYPE, _create)(struct net *net, struct ip_set *set, if (unlikely(!ip_set_optattr_netorder(tb, IPSET_ATTR_HASHSIZE) || !ip_set_optattr_netorder(tb, IPSET_ATTR_MAXELEM) || +#ifdef IP_SET_HASH_WITH_MARKMASK + !ip_set_optattr_netorder(tb, IPSET_ATTR_MARKMASK) || +#endif !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) || !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS))) return -IPSET_ERR_PROTOCOL; @@ -1056,6 +1089,14 @@ IPSET_TOKEN(HTYPE, _create)(struct net *net, struct ip_set *set, return -IPSET_ERR_INVALID_NETMASK; } #endif +#ifdef IP_SET_HASH_WITH_MARKMASK + if (tb[IPSET_ATTR_MARKMASK]) { + markmask = ntohl(nla_get_u32(tb[IPSET_ATTR_MARKMASK])); + + if ((markmask > 4294967295u) || markmask == 0) + return -IPSET_ERR_INVALID_MARKMASK; + } +#endif hsize = sizeof(*h); #ifdef IP_SET_HASH_WITH_NETS @@ -1070,6 +1111,9 @@ IPSET_TOKEN(HTYPE, _create)(struct net *net, struct ip_set *set, #ifdef IP_SET_HASH_WITH_NETMASK h->netmask = netmask; #endif +#ifdef IP_SET_HASH_WITH_MARKMASK + h->markmask = markmask; +#endif get_random_bytes(&h->initval, sizeof(h->initval)); set->timeout = IPSET_NO_TIMEOUT; diff --git a/net/netfilter/ipset/ip_set_hash_ip.c b/net/netfilter/ipset/ip_set_hash_ip.c index e65fc2423d5..dd40607f878 100644 --- a/net/netfilter/ipset/ip_set_hash_ip.c +++ b/net/netfilter/ipset/ip_set_hash_ip.c @@ -25,7 +25,8 @@ #define IPSET_TYPE_REV_MIN 0 /* 1 Counters support */ -#define IPSET_TYPE_REV_MAX 2 /* Comments support */ +/* 2 Comments support */ +#define IPSET_TYPE_REV_MAX 3 /* Forceadd support */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); diff --git a/net/netfilter/ipset/ip_set_hash_ipmark.c b/net/netfilter/ipset/ip_set_hash_ipmark.c new file mode 100644 index 00000000000..4eff0a29725 --- /dev/null +++ b/net/netfilter/ipset/ip_set_hash_ipmark.c @@ -0,0 +1,321 @@ +/* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> + * Copyright (C) 2013 Smoothwall Ltd. <vytas.dauksa@smoothwall.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/* Kernel module implementing an IP set type: the hash:ip,mark type */ + +#include <linux/jhash.h> +#include <linux/module.h> +#include <linux/ip.h> +#include <linux/skbuff.h> +#include <linux/errno.h> +#include <linux/random.h> +#include <net/ip.h> +#include <net/ipv6.h> +#include <net/netlink.h> +#include <net/tcp.h> + +#include <linux/netfilter.h> +#include <linux/netfilter/ipset/pfxlen.h> +#include <linux/netfilter/ipset/ip_set.h> +#include <linux/netfilter/ipset/ip_set_hash.h> + +#define IPSET_TYPE_REV_MIN 0 +#define IPSET_TYPE_REV_MAX 1 /* Forceadd support */ + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Vytas Dauksa <vytas.dauksa@smoothwall.net>"); +IP_SET_MODULE_DESC("hash:ip,mark", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX); +MODULE_ALIAS("ip_set_hash:ip,mark"); + +/* Type specific function prefix */ +#define HTYPE hash_ipmark +#define IP_SET_HASH_WITH_MARKMASK + +/* IPv4 variant */ + +/* Member elements */ +struct hash_ipmark4_elem { + __be32 ip; + __u32 mark; +}; + +/* Common functions */ + +static inline bool +hash_ipmark4_data_equal(const struct hash_ipmark4_elem *ip1, + const struct hash_ipmark4_elem *ip2, + u32 *multi) +{ + return ip1->ip == ip2->ip && + ip1->mark == ip2->mark; +} + +static bool +hash_ipmark4_data_list(struct sk_buff *skb, + const struct hash_ipmark4_elem *data) +{ + if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip) || + nla_put_net32(skb, IPSET_ATTR_MARK, htonl(data->mark))) + goto nla_put_failure; + return 0; + +nla_put_failure: + return 1; +} + +static inline void +hash_ipmark4_data_next(struct hash_ipmark4_elem *next, + const struct hash_ipmark4_elem *d) +{ + next->ip = d->ip; +} + +#define MTYPE hash_ipmark4 +#define PF 4 +#define HOST_MASK 32 +#define HKEY_DATALEN sizeof(struct hash_ipmark4_elem) +#include "ip_set_hash_gen.h" + +static int +hash_ipmark4_kadt(struct ip_set *set, const struct sk_buff *skb, + const struct xt_action_param *par, + enum ipset_adt adt, struct ip_set_adt_opt *opt) +{ + const struct hash_ipmark *h = set->data; + ipset_adtfn adtfn = set->variant->adt[adt]; + struct hash_ipmark4_elem e = { }; + struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); + + e.mark = skb->mark; + e.mark &= h->markmask; + + ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip); + return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); +} + +static int +hash_ipmark4_uadt(struct ip_set *set, struct nlattr *tb[], + enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) +{ + const struct hash_ipmark *h = set->data; + ipset_adtfn adtfn = set->variant->adt[adt]; + struct hash_ipmark4_elem e = { }; + struct ip_set_ext ext = IP_SET_INIT_UEXT(set); + u32 ip, ip_to = 0; + int ret; + + if (unlikely(!tb[IPSET_ATTR_IP] || + !ip_set_attr_netorder(tb, IPSET_ATTR_MARK) || + !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) || + !ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) || + !ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES))) + return -IPSET_ERR_PROTOCOL; + + if (tb[IPSET_ATTR_LINENO]) + *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); + + ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP], &e.ip) || + ip_set_get_extensions(set, tb, &ext); + if (ret) + return ret; + + e.mark = ntohl(nla_get_u32(tb[IPSET_ATTR_MARK])); + e.mark &= h->markmask; + + if (adt == IPSET_TEST || + !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR])) { + ret = adtfn(set, &e, &ext, &ext, flags); + return ip_set_eexist(ret, flags) ? 0 : ret; + } + + ip_to = ip = ntohl(e.ip); + if (tb[IPSET_ATTR_IP_TO]) { + ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to); + if (ret) + return ret; + if (ip > ip_to) + swap(ip, ip_to); + } else if (tb[IPSET_ATTR_CIDR]) { + u8 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]); + + if (!cidr || cidr > 32) + return -IPSET_ERR_INVALID_CIDR; + ip_set_mask_from_to(ip, ip_to, cidr); + } + + if (retried) + ip = ntohl(h->next.ip); + for (; !before(ip_to, ip); ip++) { + e.ip = htonl(ip); + ret = adtfn(set, &e, &ext, &ext, flags); + + if (ret && !ip_set_eexist(ret, flags)) + return ret; + else + ret = 0; + } + return ret; +} + +/* IPv6 variant */ + +struct hash_ipmark6_elem { + union nf_inet_addr ip; + __u32 mark; +}; + +/* Common functions */ + +static inline bool +hash_ipmark6_data_equal(const struct hash_ipmark6_elem *ip1, + const struct hash_ipmark6_elem *ip2, + u32 *multi) +{ + return ipv6_addr_equal(&ip1->ip.in6, &ip2->ip.in6) && + ip1->mark == ip2->mark; +} + +static bool +hash_ipmark6_data_list(struct sk_buff *skb, + const struct hash_ipmark6_elem *data) +{ + if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip.in6) || + nla_put_net32(skb, IPSET_ATTR_MARK, htonl(data->mark))) + goto nla_put_failure; + return 0; + +nla_put_failure: + return 1; +} + +static inline void +hash_ipmark6_data_next(struct hash_ipmark4_elem *next, + const struct hash_ipmark6_elem *d) +{ +} + +#undef MTYPE +#undef PF +#undef HOST_MASK +#undef HKEY_DATALEN + +#define MTYPE hash_ipmark6 +#define PF 6 +#define HOST_MASK 128 +#define HKEY_DATALEN sizeof(struct hash_ipmark6_elem) +#define IP_SET_EMIT_CREATE +#include "ip_set_hash_gen.h" + + +static int +hash_ipmark6_kadt(struct ip_set *set, const struct sk_buff *skb, + const struct xt_action_param *par, + enum ipset_adt adt, struct ip_set_adt_opt *opt) +{ + const struct hash_ipmark *h = set->data; + ipset_adtfn adtfn = set->variant->adt[adt]; + struct hash_ipmark6_elem e = { }; + struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); + + e.mark = skb->mark; + e.mark &= h->markmask; + + ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip.in6); + return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags); +} + +static int +hash_ipmark6_uadt(struct ip_set *set, struct nlattr *tb[], + enum ipset_adt adt, u32 *lineno, u32 flags, bool retried) +{ + const struct hash_ipmark *h = set->data; + ipset_adtfn adtfn = set->variant->adt[adt]; + struct hash_ipmark6_elem e = { }; + struct ip_set_ext ext = IP_SET_INIT_UEXT(set); + int ret; + + if (unlikely(!tb[IPSET_ATTR_IP] || + !ip_set_attr_netorder(tb, IPSET_ATTR_MARK) || + !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) || + !ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) || + !ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES) || + tb[IPSET_ATTR_IP_TO] || + tb[IPSET_ATTR_CIDR])) + return -IPSET_ERR_PROTOCOL; + + if (tb[IPSET_ATTR_LINENO]) + *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]); + + ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip) || + ip_set_get_extensions(set, tb, &ext); + if (ret) + return ret; + + e.mark = ntohl(nla_get_u32(tb[IPSET_ATTR_MARK])); + e.mark &= h->markmask; + + if (adt == IPSET_TEST) { + ret = adtfn(set, &e, &ext, &ext, flags); + return ip_set_eexist(ret, flags) ? 0 : ret; + } + + ret = adtfn(set, &e, &ext, &ext, flags); + if (ret && !ip_set_eexist(ret, flags)) + return ret; + else + ret = 0; + + return ret; +} + +static struct ip_set_type hash_ipmark_type __read_mostly = { + .name = "hash:ip,mark", + .protocol = IPSET_PROTOCOL, + .features = IPSET_TYPE_IP | IPSET_TYPE_MARK, + .dimension = IPSET_DIM_TWO, + .family = NFPROTO_UNSPEC, + .revision_min = IPSET_TYPE_REV_MIN, + .revision_max = IPSET_TYPE_REV_MAX, + .create = hash_ipmark_create, + .create_policy = { + [IPSET_ATTR_MARKMASK] = { .type = NLA_U32 }, + [IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 }, + [IPSET_ATTR_MAXELEM] = { .type = NLA_U32 }, + [IPSET_ATTR_PROBES] = { .type = NLA_U8 }, + [IPSET_ATTR_RESIZE] = { .type = NLA_U8 }, + [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, + [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 }, + }, + .adt_policy = { + [IPSET_ATTR_IP] = { .type = NLA_NESTED }, + [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED }, + [IPSET_ATTR_MARK] = { .type = NLA_U32 }, + [IPSET_ATTR_CIDR] = { .type = NLA_U8 }, + [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 }, + [IPSET_ATTR_LINENO] = { .type = NLA_U32 }, + [IPSET_ATTR_BYTES] = { .type = NLA_U64 }, + [IPSET_ATTR_PACKETS] = { .type = NLA_U64 }, + [IPSET_ATTR_COMMENT] = { .type = NLA_NUL_STRING }, + }, + .me = THIS_MODULE, +}; + +static int __init +hash_ipmark_init(void) +{ + return ip_set_type_register(&hash_ipmark_type); +} + +static void __exit +hash_ipmark_fini(void) +{ + ip_set_type_unregister(&hash_ipmark_type); +} + +module_init(hash_ipmark_init); +module_exit(hash_ipmark_fini); diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c index 525a595dd1f..7597b82a8b0 100644 --- a/net/netfilter/ipset/ip_set_hash_ipport.c +++ b/net/netfilter/ipset/ip_set_hash_ipport.c @@ -27,7 +27,8 @@ #define IPSET_TYPE_REV_MIN 0 /* 1 SCTP and UDPLITE support added */ /* 2 Counters support added */ -#define IPSET_TYPE_REV_MAX 3 /* Comments support added */ +/* 3 Comments support added */ +#define IPSET_TYPE_REV_MAX 4 /* Forceadd support added */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); diff --git a/net/netfilter/ipset/ip_set_hash_ipportip.c b/net/netfilter/ipset/ip_set_hash_ipportip.c index f5636631466..672655ffd57 100644 --- a/net/netfilter/ipset/ip_set_hash_ipportip.c +++ b/net/netfilter/ipset/ip_set_hash_ipportip.c @@ -27,7 +27,8 @@ #define IPSET_TYPE_REV_MIN 0 /* 1 SCTP and UDPLITE support added */ /* 2 Counters support added */ -#define IPSET_TYPE_REV_MAX 3 /* Comments support added */ +/* 3 Comments support added */ +#define IPSET_TYPE_REV_MAX 4 /* Forceadd support added */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c index 5d87fe8a41f..7308d84f927 100644 --- a/net/netfilter/ipset/ip_set_hash_ipportnet.c +++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c @@ -29,7 +29,8 @@ /* 2 Range as input support for IPv4 added */ /* 3 nomatch flag support added */ /* 4 Counters support added */ -#define IPSET_TYPE_REV_MAX 5 /* Comments support added */ +/* 5 Comments support added */ +#define IPSET_TYPE_REV_MAX 6 /* Forceadd support added */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); diff --git a/net/netfilter/ipset/ip_set_hash_net.c b/net/netfilter/ipset/ip_set_hash_net.c index 8295cf4f9fd..4c7d495783a 100644 --- a/net/netfilter/ipset/ip_set_hash_net.c +++ b/net/netfilter/ipset/ip_set_hash_net.c @@ -26,7 +26,8 @@ /* 1 Range as input support for IPv4 added */ /* 2 nomatch flag support added */ /* 3 Counters support added */ -#define IPSET_TYPE_REV_MAX 4 /* Comments support added */ +/* 4 Comments support added */ +#define IPSET_TYPE_REV_MAX 5 /* Forceadd support added */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); diff --git a/net/netfilter/ipset/ip_set_hash_netiface.c b/net/netfilter/ipset/ip_set_hash_netiface.c index 3f64a66bf5d..db2606805b3 100644 --- a/net/netfilter/ipset/ip_set_hash_netiface.c +++ b/net/netfilter/ipset/ip_set_hash_netiface.c @@ -27,7 +27,8 @@ /* 1 nomatch flag support added */ /* 2 /0 support added */ /* 3 Counters support added */ -#define IPSET_TYPE_REV_MAX 4 /* Comments support added */ +/* 4 Comments support added */ +#define IPSET_TYPE_REV_MAX 5 /* Forceadd support added */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); @@ -46,31 +47,12 @@ struct iface_node { static void rbtree_destroy(struct rb_root *root) { - struct rb_node *p, *n = root->rb_node; - struct iface_node *node; - - /* Non-recursive destroy, like in ext3 */ - while (n) { - if (n->rb_left) { - n = n->rb_left; - continue; - } - if (n->rb_right) { - n = n->rb_right; - continue; - } - p = rb_parent(n); - node = rb_entry(n, struct iface_node, node); - if (!p) - *root = RB_ROOT; - else if (p->rb_left == n) - p->rb_left = NULL; - else if (p->rb_right == n) - p->rb_right = NULL; + struct iface_node *node, *next; + rbtree_postorder_for_each_entry_safe(node, next, root, node) kfree(node); - n = p; - } + + *root = RB_ROOT; } static int diff --git a/net/netfilter/ipset/ip_set_hash_netnet.c b/net/netfilter/ipset/ip_set_hash_netnet.c index 426032706ca..3e99987e4bf 100644 --- a/net/netfilter/ipset/ip_set_hash_netnet.c +++ b/net/netfilter/ipset/ip_set_hash_netnet.c @@ -24,7 +24,7 @@ #include <linux/netfilter/ipset/ip_set_hash.h> #define IPSET_TYPE_REV_MIN 0 -#define IPSET_TYPE_REV_MAX 0 +#define IPSET_TYPE_REV_MAX 1 /* Forceadd support added */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>"); @@ -59,7 +59,7 @@ hash_netnet4_data_equal(const struct hash_netnet4_elem *ip1, u32 *multi) { return ip1->ipcmp == ip2->ipcmp && - ip2->ccmp == ip2->ccmp; + ip1->ccmp == ip2->ccmp; } static inline int @@ -112,10 +112,10 @@ hash_netnet4_data_list(struct sk_buff *skb, (flags && nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags)))) goto nla_put_failure; - return 0; + return false; nla_put_failure: - return 1; + return true; } static inline void @@ -137,12 +137,11 @@ hash_netnet4_kadt(struct ip_set *set, const struct sk_buff *skb, { const struct hash_netnet *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; - struct hash_netnet4_elem e = { - .cidr[0] = h->nets[0].cidr[0] ? h->nets[0].cidr[0] : HOST_MASK, - .cidr[1] = h->nets[0].cidr[1] ? h->nets[0].cidr[1] : HOST_MASK, - }; + struct hash_netnet4_elem e = { }; struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); + e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK); + e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK); if (adt == IPSET_TEST) e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK; @@ -160,14 +159,14 @@ 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[0] = HOST_MASK, - .cidr[1] = 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; u8 cidr, cidr2; int ret; + e.cidr[0] = e.cidr[1] = HOST_MASK; if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) || !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS) || @@ -335,10 +334,10 @@ hash_netnet6_data_list(struct sk_buff *skb, (flags && nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags)))) goto nla_put_failure; - return 0; + return false; nla_put_failure: - return 1; + return true; } static inline void @@ -364,12 +363,11 @@ hash_netnet6_kadt(struct ip_set *set, const struct sk_buff *skb, { const struct hash_netnet *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; - struct hash_netnet6_elem e = { - .cidr[0] = h->nets[0].cidr[0] ? h->nets[0].cidr[0] : HOST_MASK, - .cidr[1] = h->nets[0].cidr[1] ? h->nets[0].cidr[1] : HOST_MASK - }; + struct hash_netnet6_elem e = { }; struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); + e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK); + e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK); if (adt == IPSET_TEST) e.ccmp = (HOST_MASK << (sizeof(u8)*8)) | HOST_MASK; @@ -386,11 +384,11 @@ 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[0] = HOST_MASK, - .cidr[1] = HOST_MASK }; + struct hash_netnet6_elem e = { }; struct ip_set_ext ext = IP_SET_INIT_UEXT(set); int ret; + e.cidr[0] = e.cidr[1] = HOST_MASK; if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] || !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) || !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS) || diff --git a/net/netfilter/ipset/ip_set_hash_netport.c b/net/netfilter/ipset/ip_set_hash_netport.c index 7097fb0141b..1c645fbd09c 100644 --- a/net/netfilter/ipset/ip_set_hash_netport.c +++ b/net/netfilter/ipset/ip_set_hash_netport.c @@ -28,7 +28,8 @@ /* 2 Range as input support for IPv4 added */ /* 3 nomatch flag support added */ /* 4 Counters support added */ -#define IPSET_TYPE_REV_MAX 5 /* Comments support added */ +/* 5 Comments support added */ +#define IPSET_TYPE_REV_MAX 6 /* Forceadd support added */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); diff --git a/net/netfilter/ipset/ip_set_hash_netportnet.c b/net/netfilter/ipset/ip_set_hash_netportnet.c index 363fab933d4..c0d2ba73f8b 100644 --- a/net/netfilter/ipset/ip_set_hash_netportnet.c +++ b/net/netfilter/ipset/ip_set_hash_netportnet.c @@ -25,7 +25,8 @@ #include <linux/netfilter/ipset/ip_set_hash.h> #define IPSET_TYPE_REV_MIN 0 -#define IPSET_TYPE_REV_MAX 0 /* Comments support added */ +/* 0 Comments support added */ +#define IPSET_TYPE_REV_MAX 1 /* Forceadd support added */ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>"); @@ -147,12 +148,11 @@ hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb, { const struct hash_netportnet *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; - struct hash_netportnet4_elem e = { - .cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK), - .cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK), - }; + struct hash_netportnet4_elem e = { }; struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); + e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK); + e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK); if (adt == IPSET_TEST) e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK; @@ -174,8 +174,7 @@ 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[0] = HOST_MASK, - .cidr[1] = 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; @@ -183,6 +182,7 @@ hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[], u8 cidr, cidr2; int ret; + e.cidr[0] = e.cidr[1] = HOST_MASK; 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) || @@ -419,12 +419,11 @@ hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb, { const struct hash_netportnet *h = set->data; ipset_adtfn adtfn = set->variant->adt[adt]; - struct hash_netportnet6_elem e = { - .cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK), - .cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK), - }; + struct hash_netportnet6_elem e = { }; struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set); + e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK); + e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK); if (adt == IPSET_TEST) e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK; @@ -446,13 +445,13 @@ 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[0] = HOST_MASK, - .cidr[1] = 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; int ret; + e.cidr[0] = e.cidr[1] = HOST_MASK; 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) || diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c index ec6f6d15dde..3e2317f3cf6 100644 --- a/net/netfilter/ipset/ip_set_list_set.c +++ b/net/netfilter/ipset/ip_set_list_set.c @@ -490,14 +490,15 @@ list_set_list(const struct ip_set *set, { const struct list_set *map = set->data; struct nlattr *atd, *nested; - u32 i, first = cb->args[2]; + u32 i, first = cb->args[IPSET_CB_ARG0]; const struct set_elem *e; atd = ipset_nest_start(skb, IPSET_ATTR_ADT); if (!atd) return -EMSGSIZE; - for (; cb->args[2] < map->size; cb->args[2]++) { - i = cb->args[2]; + for (; cb->args[IPSET_CB_ARG0] < map->size; + cb->args[IPSET_CB_ARG0]++) { + i = cb->args[IPSET_CB_ARG0]; e = list_set_elem(set, map, i); if (e->id == IPSET_INVALID_ID) goto finish; @@ -522,13 +523,13 @@ list_set_list(const struct ip_set *set, finish: ipset_nest_end(skb, atd); /* Set listing finished */ - cb->args[2] = 0; + cb->args[IPSET_CB_ARG0] = 0; return 0; nla_put_failure: nla_nest_cancel(skb, nested); if (unlikely(i == first)) { - cb->args[2] = 0; + cb->args[IPSET_CB_ARG0] = 0; return -EMSGSIZE; } ipset_nest_end(skb, atd); diff --git a/net/netfilter/ipset/pfxlen.c b/net/netfilter/ipset/pfxlen.c index 4f29fa97044..04d15fdc99e 100644 --- a/net/netfilter/ipset/pfxlen.c +++ b/net/netfilter/ipset/pfxlen.c @@ -7,8 +7,8 @@ #define E(a, b, c, d) \ {.ip6 = { \ - __constant_htonl(a), __constant_htonl(b), \ - __constant_htonl(c), __constant_htonl(d), \ + htonl(a), htonl(b), \ + htonl(c), htonl(d), \ } } /* |
