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netfilter: expectation NAT direction is 32 bit attribute

This commit is contained in:
Rich Fought 2013-01-23 13:59:27 -08:00
parent 1419851eb4
commit 56352ab9f6
4 changed files with 25 additions and 7 deletions
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4
include/netlink/netfilter/exp.h
View File

@ -92,9 +92,9 @@ extern int nfnl_exp_set_fn(struct nfnl_exp *, void *);
extern int nfnl_exp_test_fn(const struct nfnl_exp *);
extern const char * nfnl_exp_get_fn(const struct nfnl_exp *);
extern void nfnl_exp_set_nat_dir(struct nfnl_exp *, uint8_t);
extern void nfnl_exp_set_nat_dir(struct nfnl_exp *, uint32_t);
extern int nfnl_exp_test_nat_dir(const struct nfnl_exp *);
extern uint8_t nfnl_exp_get_nat_dir(const struct nfnl_exp *);
extern uint32_t nfnl_exp_get_nat_dir(const struct nfnl_exp *);
// The int argument specifies which nfnl_exp_dir (expect, master, mask or nat)
// Expectation objects only use orig, not reply

6
lib/netfilter/exp.c
View File

@ -70,7 +70,7 @@ static struct nla_policy exp_proto_policy[CTA_PROTO_MAX+1] = {
};
static struct nla_policy exp_nat_policy[CTA_EXPECT_NAT_MAX+1] = {
[CTA_EXPECT_NAT_DIR] = { .type = NLA_U8 },
[CTA_EXPECT_NAT_DIR] = { .type = NLA_U32 },
[CTA_EXPECT_NAT_TUPLE] = { .type = NLA_NESTED },
};
@ -195,7 +195,7 @@ static int exp_parse_nat(struct nfnl_exp *exp, struct nlattr *attr)
return err;
if (tb[CTA_EXPECT_NAT_DIR])
nfnl_exp_set_nat_dir(exp, nla_get_u8(tb[CTA_EXPECT_NAT_DIR]));
nfnl_exp_set_nat_dir(exp, nla_get_u32(tb[CTA_EXPECT_NAT_DIR]));
if (tb[CTA_EXPECT_NAT_TUPLE]) {
err = exp_parse_tuple(exp, NFNL_EXP_TUPLE_NAT, tb[CTA_EXPECT_NAT_TUPLE]);
@ -416,7 +416,7 @@ static int nfnl_exp_build_nat(struct nl_msg *msg, const struct nfnl_exp *exp)
nat = nla_nest_start(msg, CTA_EXPECT_NAT);
if (nfnl_exp_test_nat_dir(exp)) {
NLA_PUT_U8(msg, CTA_EXPECT_NAT_DIR,
NLA_PUT_U32(msg, CTA_EXPECT_NAT_DIR,
nfnl_exp_get_nat_dir(exp));
}

4
lib/netfilter/exp_obj.c
View File

@ -589,7 +589,7 @@ const char * nfnl_exp_get_fn(const struct nfnl_exp *exp)
return exp->exp_fn;
}
void nfnl_exp_set_nat_dir(struct nfnl_exp *exp, uint8_t nat_dir)
void nfnl_exp_set_nat_dir(struct nfnl_exp *exp, uint32_t nat_dir)
{
exp->exp_nat_dir = nat_dir;
exp->ce_mask |= EXP_ATTR_NAT_DIR;
@ -600,7 +600,7 @@ int nfnl_exp_test_nat_dir(const struct nfnl_exp *exp)
return !!(exp->ce_mask & EXP_ATTR_NAT_DIR);
}
uint8_t nfnl_exp_get_nat_dir(const struct nfnl_exp *exp)
uint32_t nfnl_exp_get_nat_dir(const struct nfnl_exp *exp)
{
return exp->exp_nat_dir;
}

18
src/nf-exp-add.c
View File

@ -86,6 +86,12 @@ int main(int argc, char *argv[])
ARG_MASK_SPORT,
ARG_MASK_DST,
ARG_MASK_DPORT,
ARG_NAT_PROTO,
ARG_NAT_SRC,
ARG_NAT_SPORT,
ARG_NAT_DST,
ARG_NAT_DPORT,
ARG_NAT_DIR,
ARG_TIMEOUT,
ARG_HELPER_NAME,
ARG_REPLACE,
@ -112,6 +118,12 @@ int main(int argc, char *argv[])
{ "mask-sport", 1, 0, ARG_MASK_SPORT },
{ "mask-dst", 1, 0, ARG_MASK_DST },
{ "mask-dport", 1, 0, ARG_MASK_DPORT },
{ "nat-proto", 1, 0, ARG_NAT_PROTO },
{ "nat-src", 1, 0, ARG_NAT_SRC },
{ "nat-sport", 1, 0, ARG_NAT_SPORT },
{ "nat-dst", 1, 0, ARG_NAT_DST },
{ "nat-dport", 1, 0, ARG_NAT_DPORT },
{ "nat-dir", 1, 0, ARG_NAT_DIR },
{ "family", 1, 0, 'F' },
{ "timeout", 1, 0, ARG_TIMEOUT },
{ "helper", 1, 0, ARG_HELPER_NAME },
@ -147,6 +159,12 @@ int main(int argc, char *argv[])
case ARG_MASK_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
case ARG_MASK_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
case ARG_MASK_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_MASK, optarg); break;
case ARG_NAT_PROTO: nl_cli_exp_parse_l4protonum(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
case ARG_NAT_SRC: nl_cli_exp_parse_src(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
case ARG_NAT_SPORT: nl_cli_exp_parse_src_port(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
case ARG_NAT_DST: nl_cli_exp_parse_dst(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
case ARG_NAT_DPORT: nl_cli_exp_parse_dst_port(exp, NFNL_EXP_TUPLE_NAT, optarg); break;
case ARG_NAT_DIR: nl_cli_exp_parse_nat_dir(exp, optarg); break;
case 'F': nl_cli_exp_parse_family(exp, optarg); break;
case ARG_TIMEOUT: nl_cli_exp_parse_timeout(exp, optarg); break;
case ARG_HELPER_NAME: nl_cli_exp_parse_helper_name(exp, optarg); break;