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path: root/net/netfilter/nf_tables_api.c
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Diffstat (limited to 'net/netfilter/nf_tables_api.c')
-rw-r--r--net/netfilter/nf_tables_api.c267
1 files changed, 125 insertions, 142 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index bf4d6ec9fc55..390d4466567f 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -571,7 +571,7 @@ static struct nft_table *nft_table_lookup(const struct net *net,
table->family == family &&
nft_active_genmask(table, genmask)) {
if (nft_table_has_owner(table) &&
- table->nlpid != nlpid)
+ nlpid && table->nlpid != nlpid)
return ERR_PTR(-EPERM);
return table;
@@ -583,7 +583,7 @@ static struct nft_table *nft_table_lookup(const struct net *net,
static struct nft_table *nft_table_lookup_byhandle(const struct net *net,
const struct nlattr *nla,
- u8 genmask)
+ u8 genmask, u32 nlpid)
{
struct nftables_pernet *nft_net;
struct nft_table *table;
@@ -591,8 +591,13 @@ static struct nft_table *nft_table_lookup_byhandle(const struct net *net,
nft_net = nft_pernet(net);
list_for_each_entry(table, &nft_net->tables, list) {
if (be64_to_cpu(nla_get_be64(nla)) == table->handle &&
- nft_active_genmask(table, genmask))
+ nft_active_genmask(table, genmask)) {
+ if (nft_table_has_owner(table) &&
+ nlpid && table->nlpid != nlpid)
+ return ERR_PTR(-EPERM);
+
return table;
+ }
}
return ERR_PTR(-ENOENT);
@@ -862,10 +867,9 @@ static int nft_netlink_dump_start_rcu(struct sock *nlsk, struct sk_buff *skb,
static int nf_tables_gettable(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_cur(info->net);
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
const struct nft_table *table;
struct net *net = info->net;
struct sk_buff *skb2;
@@ -1068,10 +1072,9 @@ static int nf_tables_newtable(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
struct nftables_pernet *nft_net = nft_pernet(info->net);
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_next(info->net);
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
struct net *net = info->net;
const struct nlattr *attr;
struct nft_table *table;
@@ -1263,10 +1266,9 @@ out:
static int nf_tables_deltable(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_next(info->net);
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
struct net *net = info->net;
const struct nlattr *attr;
struct nft_table *table;
@@ -1279,7 +1281,8 @@ static int nf_tables_deltable(struct sk_buff *skb, const struct nfnl_info *info,
if (nla[NFTA_TABLE_HANDLE]) {
attr = nla[NFTA_TABLE_HANDLE];
- table = nft_table_lookup_byhandle(net, attr, genmask);
+ table = nft_table_lookup_byhandle(net, attr, genmask,
+ NETLINK_CB(skb).portid);
} else {
attr = nla[NFTA_TABLE_NAME];
table = nft_table_lookup(net, attr, family, genmask,
@@ -1636,10 +1639,9 @@ done:
static int nf_tables_getchain(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_cur(info->net);
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
const struct nft_chain *chain;
struct net *net = info->net;
struct nft_table *table;
@@ -2015,11 +2017,12 @@ static void nft_basechain_hook_init(struct nf_hook_ops *ops, u8 family,
const struct nft_chain_hook *hook,
struct nft_chain *chain)
{
- ops->pf = family;
- ops->hooknum = hook->num;
- ops->priority = hook->priority;
- ops->priv = chain;
- ops->hook = hook->type->hooks[ops->hooknum];
+ ops->pf = family;
+ ops->hooknum = hook->num;
+ ops->priority = hook->priority;
+ ops->priv = chain;
+ ops->hook = hook->type->hooks[ops->hooknum];
+ ops->hook_ops_type = NF_HOOK_OP_NF_TABLES;
}
static int nft_basechain_init(struct nft_base_chain *basechain, u8 family,
@@ -2371,10 +2374,9 @@ static int nf_tables_newchain(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
struct nftables_pernet *nft_net = nft_pernet(info->net);
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_next(info->net);
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
struct nft_chain *chain = NULL;
struct net *net = info->net;
const struct nlattr *attr;
@@ -2469,10 +2471,9 @@ static int nf_tables_newchain(struct sk_buff *skb, const struct nfnl_info *info,
static int nf_tables_delchain(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_next(info->net);
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
struct net *net = info->net;
const struct nlattr *attr;
struct nft_table *table;
@@ -3096,10 +3097,9 @@ static int nf_tables_dump_rules_done(struct netlink_callback *cb)
static int nf_tables_getrule(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_cur(info->net);
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
const struct nft_chain *chain;
const struct nft_rule *rule;
struct net *net = info->net;
@@ -3237,15 +3237,14 @@ static int nf_tables_newrule(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
struct nftables_pernet *nft_net = nft_pernet(info->net);
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
unsigned int size, i, n, ulen = 0, usize = 0;
u8 genmask = nft_genmask_next(info->net);
struct nft_rule *rule, *old_rule = NULL;
struct nft_expr_info *expr_info = NULL;
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
+ struct nft_flow_rule *flow = NULL;
struct net *net = info->net;
- struct nft_flow_rule *flow;
struct nft_userdata *udata;
struct nft_table *table;
struct nft_chain *chain;
@@ -3340,13 +3339,13 @@ static int nf_tables_newrule(struct sk_buff *skb, const struct nfnl_info *info,
nla_for_each_nested(tmp, nla[NFTA_RULE_EXPRESSIONS], rem) {
err = -EINVAL;
if (nla_type(tmp) != NFTA_LIST_ELEM)
- goto err1;
+ goto err_release_expr;
if (n == NFT_RULE_MAXEXPRS)
- goto err1;
+ goto err_release_expr;
err = nf_tables_expr_parse(&ctx, tmp, &expr_info[n]);
if (err < 0) {
NL_SET_BAD_ATTR(extack, tmp);
- goto err1;
+ goto err_release_expr;
}
size += expr_info[n].ops->size;
n++;
@@ -3355,7 +3354,7 @@ static int nf_tables_newrule(struct sk_buff *skb, const struct nfnl_info *info,
/* Check for overflow of dlen field */
err = -EFBIG;
if (size >= 1 << 12)
- goto err1;
+ goto err_release_expr;
if (nla[NFTA_RULE_USERDATA]) {
ulen = nla_len(nla[NFTA_RULE_USERDATA]);
@@ -3366,7 +3365,7 @@ static int nf_tables_newrule(struct sk_buff *skb, const struct nfnl_info *info,
err = -ENOMEM;
rule = kzalloc(sizeof(*rule) + size + usize, GFP_KERNEL);
if (rule == NULL)
- goto err1;
+ goto err_release_expr;
nft_activate_next(net, rule);
@@ -3385,7 +3384,7 @@ static int nf_tables_newrule(struct sk_buff *skb, const struct nfnl_info *info,
err = nf_tables_newexpr(&ctx, &expr_info[i], expr);
if (err < 0) {
NL_SET_BAD_ATTR(extack, expr_info[i].attr);
- goto err2;
+ goto err_release_rule;
}
if (expr_info[i].ops->validate)
@@ -3395,16 +3394,24 @@ static int nf_tables_newrule(struct sk_buff *skb, const struct nfnl_info *info,
expr = nft_expr_next(expr);
}
+ if (chain->flags & NFT_CHAIN_HW_OFFLOAD) {
+ flow = nft_flow_rule_create(net, rule);
+ if (IS_ERR(flow)) {
+ err = PTR_ERR(flow);
+ goto err_release_rule;
+ }
+ }
+
if (info->nlh->nlmsg_flags & NLM_F_REPLACE) {
trans = nft_trans_rule_add(&ctx, NFT_MSG_NEWRULE, rule);
if (trans == NULL) {
err = -ENOMEM;
- goto err2;
+ goto err_destroy_flow_rule;
}
err = nft_delrule(&ctx, old_rule);
if (err < 0) {
nft_trans_destroy(trans);
- goto err2;
+ goto err_destroy_flow_rule;
}
list_add_tail_rcu(&rule->list, &old_rule->list);
@@ -3412,7 +3419,7 @@ static int nf_tables_newrule(struct sk_buff *skb, const struct nfnl_info *info,
trans = nft_trans_rule_add(&ctx, NFT_MSG_NEWRULE, rule);
if (!trans) {
err = -ENOMEM;
- goto err2;
+ goto err_destroy_flow_rule;
}
if (info->nlh->nlmsg_flags & NLM_F_APPEND) {
@@ -3430,21 +3437,19 @@ static int nf_tables_newrule(struct sk_buff *skb, const struct nfnl_info *info,
kvfree(expr_info);
chain->use++;
+ if (flow)
+ nft_trans_flow_rule(trans) = flow;
+
if (nft_net->validate_state == NFT_VALIDATE_DO)
return nft_table_validate(net, table);
- if (chain->flags & NFT_CHAIN_HW_OFFLOAD) {
- flow = nft_flow_rule_create(net, rule);
- if (IS_ERR(flow))
- return PTR_ERR(flow);
-
- nft_trans_flow_rule(trans) = flow;
- }
-
return 0;
-err2:
+
+err_destroy_flow_rule:
+ nft_flow_rule_destroy(flow);
+err_release_rule:
nf_tables_rule_release(&ctx, rule);
-err1:
+err_release_expr:
for (i = 0; i < n; i++) {
if (expr_info[i].ops) {
module_put(expr_info[i].ops->type->owner);
@@ -3477,15 +3482,15 @@ static struct nft_rule *nft_rule_lookup_byid(const struct net *net,
static int nf_tables_delrule(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
- int family = nfmsg->nfgen_family, err = 0;
u8 genmask = nft_genmask_next(info->net);
+ u8 family = info->nfmsg->nfgen_family;
struct nft_chain *chain = NULL;
struct net *net = info->net;
struct nft_table *table;
struct nft_rule *rule;
struct nft_ctx ctx;
+ int err = 0;
table = nft_table_lookup(net, nla[NFTA_RULE_TABLE], family, genmask,
NETLINK_CB(skb).portid);
@@ -3665,30 +3670,6 @@ static const struct nla_policy nft_set_desc_policy[NFTA_SET_DESC_MAX + 1] = {
[NFTA_SET_DESC_CONCAT] = { .type = NLA_NESTED },
};
-static int nft_ctx_init_from_setattr(struct nft_ctx *ctx, struct net *net,
- const struct sk_buff *skb,
- const struct nlmsghdr *nlh,
- const struct nlattr * const nla[],
- struct netlink_ext_ack *extack,
- u8 genmask, u32 nlpid)
-{
- const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
- int family = nfmsg->nfgen_family;
- struct nft_table *table = NULL;
-
- if (nla[NFTA_SET_TABLE] != NULL) {
- table = nft_table_lookup(net, nla[NFTA_SET_TABLE], family,
- genmask, nlpid);
- if (IS_ERR(table)) {
- NL_SET_BAD_ATTR(extack, nla[NFTA_SET_TABLE]);
- return PTR_ERR(table);
- }
- }
-
- nft_ctx_init(ctx, net, skb, nlh, family, table, NULL, nla);
- return 0;
-}
-
static struct nft_set *nft_set_lookup(const struct nft_table *table,
const struct nlattr *nla, u8 genmask)
{
@@ -4068,20 +4049,26 @@ static int nf_tables_dump_sets_done(struct netlink_callback *cb)
static int nf_tables_getset(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_cur(info->net);
+ u8 family = info->nfmsg->nfgen_family;
+ struct nft_table *table = NULL;
struct net *net = info->net;
const struct nft_set *set;
struct sk_buff *skb2;
struct nft_ctx ctx;
int err;
- /* Verify existence before starting dump */
- err = nft_ctx_init_from_setattr(&ctx, net, skb, info->nlh, nla, extack,
- genmask, 0);
- if (err < 0)
- return err;
+ if (nla[NFTA_SET_TABLE]) {
+ table = nft_table_lookup(net, nla[NFTA_SET_TABLE], family,
+ genmask, 0);
+ if (IS_ERR(table)) {
+ NL_SET_BAD_ATTR(extack, nla[NFTA_SET_TABLE]);
+ return PTR_ERR(table);
+ }
+ }
+
+ nft_ctx_init(&ctx, net, skb, info->nlh, family, table, NULL, nla);
if (info->nlh->nlmsg_flags & NLM_F_DUMP) {
struct netlink_dump_control c = {
@@ -4096,12 +4083,12 @@ static int nf_tables_getset(struct sk_buff *skb, const struct nfnl_info *info,
}
/* Only accept unspec with dump */
- if (nfmsg->nfgen_family == NFPROTO_UNSPEC)
+ if (info->nfmsg->nfgen_family == NFPROTO_UNSPEC)
return -EAFNOSUPPORT;
if (!nla[NFTA_SET_TABLE])
return -EINVAL;
- set = nft_set_lookup(ctx.table, nla[NFTA_SET_NAME], genmask);
+ set = nft_set_lookup(table, nla[NFTA_SET_NAME], genmask);
if (IS_ERR(set))
return PTR_ERR(set);
@@ -4189,11 +4176,10 @@ static int nf_tables_set_desc_parse(struct nft_set_desc *desc,
static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
u32 ktype, dtype, flags, policy, gc_int, objtype;
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_next(info->net);
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
const struct nft_set_ops *ops;
struct nft_expr *expr = NULL;
struct net *net = info->net;
@@ -4494,31 +4480,31 @@ static void nft_set_destroy(const struct nft_ctx *ctx, struct nft_set *set)
static int nf_tables_delset(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_next(info->net);
+ u8 family = info->nfmsg->nfgen_family;
struct net *net = info->net;
const struct nlattr *attr;
+ struct nft_table *table;
struct nft_set *set;
struct nft_ctx ctx;
- int err;
- if (nfmsg->nfgen_family == NFPROTO_UNSPEC)
+ if (info->nfmsg->nfgen_family == NFPROTO_UNSPEC)
return -EAFNOSUPPORT;
- if (nla[NFTA_SET_TABLE] == NULL)
- return -EINVAL;
- err = nft_ctx_init_from_setattr(&ctx, net, skb, info->nlh, nla, extack,
- genmask, NETLINK_CB(skb).portid);
- if (err < 0)
- return err;
+ table = nft_table_lookup(net, nla[NFTA_SET_TABLE], family,
+ genmask, NETLINK_CB(skb).portid);
+ if (IS_ERR(table)) {
+ NL_SET_BAD_ATTR(extack, nla[NFTA_SET_TABLE]);
+ return PTR_ERR(table);
+ }
if (nla[NFTA_SET_HANDLE]) {
attr = nla[NFTA_SET_HANDLE];
- set = nft_set_lookup_byhandle(ctx.table, attr, genmask);
+ set = nft_set_lookup_byhandle(table, attr, genmask);
} else {
attr = nla[NFTA_SET_NAME];
- set = nft_set_lookup(ctx.table, attr, genmask);
+ set = nft_set_lookup(table, attr, genmask);
}
if (IS_ERR(set)) {
@@ -4532,6 +4518,8 @@ static int nf_tables_delset(struct sk_buff *skb, const struct nfnl_info *info,
return -EBUSY;
}
+ nft_ctx_init(&ctx, net, skb, info->nlh, family, table, NULL, nla);
+
return nft_delset(&ctx, set);
}
@@ -4733,28 +4721,6 @@ static const struct nla_policy nft_set_elem_list_policy[NFTA_SET_ELEM_LIST_MAX +
[NFTA_SET_ELEM_LIST_SET_ID] = { .type = NLA_U32 },
};
-static int nft_ctx_init_from_elemattr(struct nft_ctx *ctx, struct net *net,
- const struct sk_buff *skb,
- const struct nlmsghdr *nlh,
- const struct nlattr * const nla[],
- struct netlink_ext_ack *extack,
- u8 genmask, u32 nlpid)
-{
- const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
- int family = nfmsg->nfgen_family;
- struct nft_table *table;
-
- table = nft_table_lookup(net, nla[NFTA_SET_ELEM_LIST_TABLE], family,
- genmask, nlpid);
- if (IS_ERR(table)) {
- NL_SET_BAD_ATTR(extack, nla[NFTA_SET_ELEM_LIST_TABLE]);
- return PTR_ERR(table);
- }
-
- nft_ctx_init(ctx, net, skb, nlh, family, table, NULL, nla);
- return 0;
-}
-
static int nft_set_elem_expr_dump(struct sk_buff *skb,
const struct nft_set *set,
const struct nft_set_ext *ext)
@@ -5212,21 +5178,27 @@ static int nf_tables_getsetelem(struct sk_buff *skb,
{
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_cur(info->net);
+ u8 family = info->nfmsg->nfgen_family;
struct net *net = info->net;
+ struct nft_table *table;
struct nft_set *set;
struct nlattr *attr;
struct nft_ctx ctx;
int rem, err = 0;
- err = nft_ctx_init_from_elemattr(&ctx, net, skb, info->nlh, nla, extack,
- genmask, NETLINK_CB(skb).portid);
- if (err < 0)
- return err;
+ table = nft_table_lookup(net, nla[NFTA_SET_ELEM_LIST_TABLE], family,
+ genmask, NETLINK_CB(skb).portid);
+ if (IS_ERR(table)) {
+ NL_SET_BAD_ATTR(extack, nla[NFTA_SET_ELEM_LIST_TABLE]);
+ return PTR_ERR(table);
+ }
- set = nft_set_lookup(ctx.table, nla[NFTA_SET_ELEM_LIST_SET], genmask);
+ set = nft_set_lookup(table, nla[NFTA_SET_ELEM_LIST_SET], genmask);
if (IS_ERR(set))
return PTR_ERR(set);
+ nft_ctx_init(&ctx, net, skb, info->nlh, family, table, NULL, nla);
+
if (info->nlh->nlmsg_flags & NLM_F_DUMP) {
struct netlink_dump_control c = {
.start = nf_tables_dump_set_start,
@@ -5995,8 +5967,10 @@ static int nf_tables_newsetelem(struct sk_buff *skb,
struct nftables_pernet *nft_net = nft_pernet(info->net);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_next(info->net);
+ u8 family = info->nfmsg->nfgen_family;
struct net *net = info->net;
const struct nlattr *attr;
+ struct nft_table *table;
struct nft_set *set;
struct nft_ctx ctx;
int rem, err;
@@ -6004,12 +5978,14 @@ static int nf_tables_newsetelem(struct sk_buff *skb,
if (nla[NFTA_SET_ELEM_LIST_ELEMENTS] == NULL)
return -EINVAL;
- err = nft_ctx_init_from_elemattr(&ctx, net, skb, info->nlh, nla, extack,
- genmask, NETLINK_CB(skb).portid);
- if (err < 0)
- return err;
+ table = nft_table_lookup(net, nla[NFTA_SET_ELEM_LIST_TABLE], family,
+ genmask, NETLINK_CB(skb).portid);
+ if (IS_ERR(table)) {
+ NL_SET_BAD_ATTR(extack, nla[NFTA_SET_ELEM_LIST_TABLE]);
+ return PTR_ERR(table);
+ }
- set = nft_set_lookup_global(net, ctx.table, nla[NFTA_SET_ELEM_LIST_SET],
+ set = nft_set_lookup_global(net, table, nla[NFTA_SET_ELEM_LIST_SET],
nla[NFTA_SET_ELEM_LIST_SET_ID], genmask);
if (IS_ERR(set))
return PTR_ERR(set);
@@ -6017,6 +5993,8 @@ static int nf_tables_newsetelem(struct sk_buff *skb,
if (!list_empty(&set->bindings) && set->flags & NFT_SET_CONSTANT)
return -EBUSY;
+ nft_ctx_init(&ctx, net, skb, info->nlh, family, table, NULL, nla);
+
nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) {
err = nft_add_set_elem(&ctx, set, attr, info->nlh->nlmsg_flags);
if (err < 0)
@@ -6024,7 +6002,7 @@ static int nf_tables_newsetelem(struct sk_buff *skb,
}
if (nft_net->validate_state == NFT_VALIDATE_DO)
- return nft_table_validate(net, ctx.table);
+ return nft_table_validate(net, table);
return 0;
}
@@ -6262,23 +6240,29 @@ static int nf_tables_delsetelem(struct sk_buff *skb,
{
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_next(info->net);
+ u8 family = info->nfmsg->nfgen_family;
struct net *net = info->net;
const struct nlattr *attr;
+ struct nft_table *table;
struct nft_set *set;
struct nft_ctx ctx;
int rem, err = 0;
- err = nft_ctx_init_from_elemattr(&ctx, net, skb, info->nlh, nla, extack,
- genmask, NETLINK_CB(skb).portid);
- if (err < 0)
- return err;
+ table = nft_table_lookup(net, nla[NFTA_SET_ELEM_LIST_TABLE], family,
+ genmask, NETLINK_CB(skb).portid);
+ if (IS_ERR(table)) {
+ NL_SET_BAD_ATTR(extack, nla[NFTA_SET_ELEM_LIST_TABLE]);
+ return PTR_ERR(table);
+ }
- set = nft_set_lookup(ctx.table, nla[NFTA_SET_ELEM_LIST_SET], genmask);
+ set = nft_set_lookup(table, nla[NFTA_SET_ELEM_LIST_SET], genmask);
if (IS_ERR(set))
return PTR_ERR(set);
if (!list_empty(&set->bindings) && set->flags & NFT_SET_CONSTANT)
return -EBUSY;
+ nft_ctx_init(&ctx, net, skb, info->nlh, family, table, NULL, nla);
+
if (!nla[NFTA_SET_ELEM_LIST_ELEMENTS])
return nft_set_flush(&ctx, set, genmask);
@@ -6546,11 +6530,10 @@ err_free_trans:
static int nf_tables_newobj(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_next(info->net);
+ u8 family = info->nfmsg->nfgen_family;
const struct nft_object_type *type;
- int family = nfmsg->nfgen_family;
struct net *net = info->net;
struct nft_table *table;
struct nft_object *obj;
@@ -6802,10 +6785,9 @@ static int nf_tables_dump_obj_done(struct netlink_callback *cb)
static int nf_tables_getobj(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_cur(info->net);
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
const struct nft_table *table;
struct net *net = info->net;
struct nft_object *obj;
@@ -6892,10 +6874,9 @@ static void nft_obj_destroy(const struct nft_ctx *ctx, struct nft_object *obj)
static int nf_tables_delobj(struct sk_buff *skb, const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_next(info->net);
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
struct net *net = info->net;
const struct nlattr *attr;
struct nft_table *table;
@@ -7323,12 +7304,11 @@ static int nf_tables_newflowtable(struct sk_buff *skb,
const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
struct nft_flowtable_hook flowtable_hook;
u8 genmask = nft_genmask_next(info->net);
+ u8 family = info->nfmsg->nfgen_family;
const struct nf_flowtable_type *type;
- int family = nfmsg->nfgen_family;
struct nft_flowtable *flowtable;
struct nft_hook *hook, *next;
struct net *net = info->net;
@@ -7512,10 +7492,9 @@ static int nf_tables_delflowtable(struct sk_buff *skb,
const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
struct netlink_ext_ack *extack = info->extack;
u8 genmask = nft_genmask_next(info->net);
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
struct nft_flowtable *flowtable;
struct net *net = info->net;
const struct nlattr *attr;
@@ -7707,9 +7686,8 @@ static int nf_tables_getflowtable(struct sk_buff *skb,
const struct nfnl_info *info,
const struct nlattr * const nla[])
{
- const struct nfgenmsg *nfmsg = nlmsg_data(info->nlh);
u8 genmask = nft_genmask_cur(info->net);
- int family = nfmsg->nfgen_family;
+ u8 family = info->nfmsg->nfgen_family;
struct nft_flowtable *flowtable;
const struct nft_table *table;
struct net *net = info->net;
@@ -8839,11 +8817,16 @@ static int __nf_tables_abort(struct net *net, enum nfnl_abort_action action)
nft_rule_expr_deactivate(&trans->ctx,
nft_trans_rule(trans),
NFT_TRANS_ABORT);
+ if (trans->ctx.chain->flags & NFT_CHAIN_HW_OFFLOAD)
+ nft_flow_rule_destroy(nft_trans_flow_rule(trans));
break;
case NFT_MSG_DELRULE:
trans->ctx.chain->use++;
nft_clear(trans->ctx.net, nft_trans_rule(trans));
nft_rule_expr_activate(&trans->ctx, nft_trans_rule(trans));
+ if (trans->ctx.chain->flags & NFT_CHAIN_HW_OFFLOAD)
+ nft_flow_rule_destroy(nft_trans_flow_rule(trans));
+
nft_trans_destroy(trans);
break;
case NFT_MSG_NEWSET:
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-07 02:00:35 +0000