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authorPablo Neira Ayuso <pablo@netfilter.org>2016-05-04 17:49:53 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2016-05-05 16:39:51 +0200
commitcb39ad8b8ef224c544074962780bf763077d6141 (patch)
treed79442a20d5088c0cfd209e8b3aafbf1e9c30a9d
parentd7cdf81657776ca1aa8377fd84d02fd8774db483 (diff)
netfilter: nf_tables: allow set names up to 32 bytes
Currently, we support set names of up to 16 bytes, get this aligned with the maximum length we can use in ipset to make it easier when considering migration to nf_tables. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
-rw-r--r--include/net/netfilter/nf_tables.h2
-rw-r--r--include/uapi/linux/netfilter/nf_tables.h1
-rw-r--r--net/netfilter/nf_tables_api.c6
3 files changed, 5 insertions, 4 deletions
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index f6b1daf2e698..092235458691 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -303,7 +303,7 @@ void nft_unregister_set(struct nft_set_ops *ops);
struct nft_set {
struct list_head list;
struct list_head bindings;
- char name[IFNAMSIZ];
+ char name[NFT_SET_MAXNAMELEN];
u32 ktype;
u32 dtype;
u32 size;
diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
index 660231363bb5..6a4dbe04f09e 100644
--- a/include/uapi/linux/netfilter/nf_tables.h
+++ b/include/uapi/linux/netfilter/nf_tables.h
@@ -3,6 +3,7 @@
#define NFT_TABLE_MAXNAMELEN 32
#define NFT_CHAIN_MAXNAMELEN 32
+#define NFT_SET_MAXNAMELEN 32
#define NFT_USERDATA_MAXLEN 256
/**
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 73c8fad0b8ef..4d292b933b5c 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2317,7 +2317,7 @@ nft_select_set_ops(const struct nlattr * const nla[],
static const struct nla_policy nft_set_policy[NFTA_SET_MAX + 1] = {
[NFTA_SET_TABLE] = { .type = NLA_STRING },
[NFTA_SET_NAME] = { .type = NLA_STRING,
- .len = IFNAMSIZ - 1 },
+ .len = NFT_SET_MAXNAMELEN - 1 },
[NFTA_SET_FLAGS] = { .type = NLA_U32 },
[NFTA_SET_KEY_TYPE] = { .type = NLA_U32 },
[NFTA_SET_KEY_LEN] = { .type = NLA_U32 },
@@ -2401,7 +2401,7 @@ static int nf_tables_set_alloc_name(struct nft_ctx *ctx, struct nft_set *set,
unsigned long *inuse;
unsigned int n = 0, min = 0;
- p = strnchr(name, IFNAMSIZ, '%');
+ p = strnchr(name, NFT_SET_MAXNAMELEN, '%');
if (p != NULL) {
if (p[1] != 'd' || strchr(p + 2, '%'))
return -EINVAL;
@@ -2696,7 +2696,7 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk,
struct nft_table *table;
struct nft_set *set;
struct nft_ctx ctx;
- char name[IFNAMSIZ];
+ char name[NFT_SET_MAXNAMELEN];
unsigned int size;
bool create;
u64 timeout;