Successful compilation of libnl-nf with expectation
This commit is contained in:
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c675bf0486
commit
f111efd894
3 changed files with 57 additions and 106 deletions
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@ -88,24 +88,24 @@ extern int nfnl_exp_set_fn(struct nfnl_exp *, void *);
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extern int nfnl_exp_test_fn(const struct nfnl_exp *);
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extern const char * nfnl_exp_get_fn(const struct nfnl_exp *);
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extern void nfnl_exp_set_nat_dir(struct nfnl_exp *, int, uint8_t);
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extern int nfnl_exp_test_nat_dir(const struct nfnl_exp *, int);
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extern uint8_t nfnl_exp_get_nat_dir(const struct nfnl_exp *, int);
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extern void nfnl_exp_set_nat_dir(struct nfnl_exp *, uint8_t);
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extern int nfnl_exp_test_nat_dir(const struct nfnl_exp *);
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extern uint8_t nfnl_exp_get_nat_dir(const struct nfnl_exp *);
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// The int argument specifies which nfnl_ct_dir (expect, master, mask or nat)
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// The int argument specifies which nfnl_exp_dir (expect, master, mask or nat)
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// Expectation objects only use orig, not reply
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extern int nfnl_exp_set_src(struct nfnl_exp *, int, struct nl_addr *);
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extern int nfnl_exp_test_src(const struct nfnl_exp *);
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extern struct nl_addr * nfnl_ct_get_src(const struct nfnl_exp *, int);
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extern int nfnl_exp_test_src(const struct nfnl_exp *, int);
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extern struct nl_addr * nfnl_exp_get_src(const struct nfnl_exp *, int);
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extern int nfnl_exp_set_dst(struct nfnl_exp *, int, struct nl_addr *);
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extern int nfnl_exp_test_dst(const struct nfnl_exp *);
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extern int nfnl_exp_test_dst(const struct nfnl_exp *, int);
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extern struct nl_addr * nfnl_exp_get_dst(const struct nfnl_exp *, int);
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extern void nfnl_exp_set_l4protonum(struct nfnl_exp *, int, uint8_t);
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extern int nfnl_exp_test_l4protonum(const struct nfnl_exp *, int);
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extern uint8_t * nfnl_exp_get_l4protonum(const struct nfnl_exp *, int);
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extern uint8_t nfnl_exp_get_l4protonum(const struct nfnl_exp *, int);
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extern void nfnl_exp_set_ports(struct nfnl_exp *, int, uint16_t, uint16_t);
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extern int nfnl_exp_test_ports(const struct nfnl_exp *, int);
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@ -118,18 +118,6 @@ extern uint16_t nfnl_exp_get_icmp_id(const struct nfnl_exp *, int);
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extern uint8_t nfnl_exp_get_icmp_type(const struct nfnl_exp *, int);
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extern uint8_t nfnl_exp_get_icmp_code(const struct nfnl_exp *, int);
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// TODO: Expectation table does support CPU stats get command, not sure if the same
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/*
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extern void nfnl_ct_set_packets(struct nfnl_ct *, int, uint64_t);
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extern int nfnl_ct_test_packets(const struct nfnl_ct *, int);
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extern uint64_t nfnl_ct_get_packets(const struct nfnl_ct *,int);
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extern void nfnl_ct_set_bytes(struct nfnl_ct *, int, uint64_t);
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extern int nfnl_ct_test_bytes(const struct nfnl_ct *, int);
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extern uint64_t nfnl_ct_get_bytes(const struct nfnl_ct *, int);
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*/
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#ifdef __cplusplus
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}
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@ -30,18 +30,6 @@
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static struct nl_cache_ops nfnl_exp_ops;
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#if __BYTE_ORDER == __BIG_ENDIAN
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static uint64_t ntohll(uint64_t x)
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{
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return x;
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}
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#elif __BYTE_ORDER == __LITTLE_ENDIAN
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static uint64_t ntohll(uint64_t x)
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{
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return bswap_64(x);
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}
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#endif
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static struct nla_policy exp_policy[CTA_EXPECT_MAX+1] = {
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[CTA_EXPECT_MASTER] = { .type = NLA_NESTED },
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[CTA_EXPECT_TUPLE] = { .type = NLA_NESTED },
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@ -407,6 +395,7 @@ static int nfnl_exp_build_message(const struct nfnl_exp *exp, int cmd, int flags
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*result = msg;
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return 0;
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nla_put_failure:
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err_out:
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nlmsg_free(msg);
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return err;
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@ -519,9 +508,9 @@ static struct nl_cache_ops nfnl_exp_ops = {
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.co_name = "netfilter/exp",
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.co_hdrsize = NFNL_HDRLEN,
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.co_msgtypes = {
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{ NFNLMSG_CT_TYPE(IPCTNL_MSG_EXP_NEW), NL_ACT_NEW, "new" },
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{ NFNLMSG_CT_TYPE(IPCTNL_MSG_EXP_GET), NL_ACT_GET, "get" },
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{ NFNLMSG_CT_TYPE(IPCTNL_MSG_EXP_DELETE), NL_ACT_DEL, "del" },
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{ NFNLMSG_EXP_TYPE(IPCTNL_MSG_EXP_NEW), NL_ACT_NEW, "new" },
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{ NFNLMSG_EXP_TYPE(IPCTNL_MSG_EXP_GET), NL_ACT_GET, "get" },
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{ NFNLMSG_EXP_TYPE(IPCTNL_MSG_EXP_DELETE), NL_ACT_DEL, "del" },
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END_OF_MSGTYPES_LIST,
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},
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.co_protocol = NETLINK_NETFILTER,
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@ -87,7 +87,6 @@ static int exp_clone(struct nl_object *_dst, struct nl_object *_src)
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struct nfnl_exp *dst = (struct nfnl_exp *) _dst;
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struct nfnl_exp *src = (struct nfnl_exp *) _src;
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struct nl_addr *addr;
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int result = 0;
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// Expectation
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if (src->exp_expect.src) {
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@ -185,7 +184,7 @@ static void dump_icmp(struct nl_dump_params *p, struct nfnl_exp *exp, int tuple)
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static void exp_dump_tuples(struct nfnl_exp *exp, struct nl_dump_params *p)
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{
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struct nl_addr *tuple_src, *tuple_dst;
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struct nl_addr *tuple_src = NULL, *tuple_dst = NULL;
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int tuple_sport = 0, tuple_dport = 0;
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int i = 0;
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char buf[64];
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@ -199,9 +198,9 @@ static void exp_dump_tuples(struct nfnl_exp *exp, struct nl_dump_params *p)
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tuple_dst = nfnl_exp_get_dst(exp, i);
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// Don't have tests for individual ports/types/codes/ids,
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if (nfnl_exp_test_l4protonum(exp)) {
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if (nfnl_exp_test_l4protonum(exp, i)) {
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nl_dump(p, "%s ",
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nl_ip_proto2str(nfnl_exp_get_l4protonum(exp), buf, sizeof(buf)));
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nl_ip_proto2str(nfnl_exp_get_l4protonum(exp, i), buf, sizeof(buf)));
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}
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if (nfnl_exp_test_ports(exp, i)) {
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@ -236,14 +235,14 @@ static void exp_dump_details(struct nl_object *a, struct nl_dump_params *p)
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char buf[64];
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int fp = 0;
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ct_dump_line(a, p);
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exp_dump_line(a, p);
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nl_dump(p, " id 0x%x ", exp->exp_id);
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nl_dump_line(p, "family %s ",
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nl_af2str(exp->exp_family, buf, sizeof(buf)));
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if (nfnl_exp_test_timeout(exp)) {
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uint64_t timeout_ms = nfnl_ct_get_timeout(exp) * 1000UL;
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uint64_t timeout_ms = nfnl_exp_get_timeout(exp) * 1000UL;
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nl_dump(p, "timeout %s ",
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nl_msec2str(timeout_ms, buf, sizeof(buf)));
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}
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@ -345,9 +344,9 @@ static int exp_compare(struct nl_object *_a, struct nl_object *_b,
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? EXP_DIFF(ATTR, nl_addr_cmp_prefix(a->FIELD, b->FIELD)) \
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: EXP_DIFF(ATTR, nl_addr_cmp(a->FIELD, b->FIELD)))
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#define EXP_DIFF_L4PROTO_PORTS(ATTR, FIELD) \
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EXP_DIFF(ATTR, exp_cmp_l4proto_ports(a->FIELD, b->FIELD))
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EXP_DIFF(ATTR, exp_cmp_l4proto_ports(&(a->FIELD), &(b->FIELD)))
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#define EXP_DIFF_L4PROTO_ICMP(ATTR, FIELD) \
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EXP_DIFF(ATTR, exp_cmp_l4proto_icmp(a->FIELD, b->FIELD))
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EXP_DIFF(ATTR, exp_cmp_l4proto_icmp(&(a->FIELD), &(b->FIELD)))
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diff |= EXP_DIFF_VAL(FAMILY, exp_family);
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diff |= EXP_DIFF_VAL(TIMEOUT, exp_timeout);
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@ -363,26 +362,26 @@ static int exp_compare(struct nl_object *_a, struct nl_object *_b,
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diff |= EXP_DIFF_ADDR(EXPECT_IP_SRC, exp_expect.src);
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diff |= EXP_DIFF_ADDR(EXPECT_IP_DST, exp_expect.dst);
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diff |= EXP_DIFF_VAL(EXPECT_L4PROTO_NUM, exp_expect.proto.l4protonum);
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diff |= EXP_DIFF_L4PROTO_PORTS(EXPECT_L4PROTO_PORTS, exp_expect.proto.l4protodata.port);
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diff |= EXP_DIFF_L4PROTO_ICMP(EXPECT_L4PROTO_ICMP, exp_expect.proto.l4protodata.icmp);
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diff |= EXP_DIFF_L4PROTO_PORTS(EXPECT_L4PROTO_PORTS, exp_expect.proto.l4protodata);
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diff |= EXP_DIFF_L4PROTO_ICMP(EXPECT_L4PROTO_ICMP, exp_expect.proto.l4protodata);
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diff |= EXP_DIFF_ADDR(MASTER_IP_SRC, exp_master.src);
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diff |= EXP_DIFF_ADDR(MASTER_IP_DST, exp_master.dst);
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diff |= EXP_DIFF_VAL(MASTER_L4PROTO_NUM, exp_master.proto.l4protonum);
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diff |= EXP_DIFF_L4PROTO_PORTS(MASTER_L4PROTO_PORTS, exp_master.proto.l4protodata.port);
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diff |= EXP_DIFF_L4PROTO_ICMP(MASTER_L4PROTO_ICMP, exp_master.proto.l4protodata.icmp);
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diff |= EXP_DIFF_L4PROTO_PORTS(MASTER_L4PROTO_PORTS, exp_master.proto.l4protodata);
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diff |= EXP_DIFF_L4PROTO_ICMP(MASTER_L4PROTO_ICMP, exp_master.proto.l4protodata);
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diff |= EXP_DIFF_ADDR(MASK_IP_SRC, exp_mask.src);
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diff |= EXP_DIFF_ADDR(MASK_IP_DST, exp_mask.dst);
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diff |= EXP_DIFF_VAL(MASK_L4PROTO_NUM, exp_mask.proto.l4protonum);
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diff |= EXP_DIFF_L4PROTO_PORTS(MASK_L4PROTO_PORTS, exp_mask.proto.l4protodata.port);
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diff |= EXP_DIFF_L4PROTO_ICMP(MASK_L4PROTO_ICMP, exp_mask.proto.l4protodata.icmp);
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diff |= EXP_DIFF_L4PROTO_PORTS(MASK_L4PROTO_PORTS, exp_mask.proto.l4protodata);
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diff |= EXP_DIFF_L4PROTO_ICMP(MASK_L4PROTO_ICMP, exp_mask.proto.l4protodata);
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diff |= EXP_DIFF_ADDR(NAT_IP_SRC, exp_nat.src);
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diff |= EXP_DIFF_ADDR(NAT_IP_DST, exp_nat.dst);
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diff |= EXP_DIFF_VAL(NAT_L4PROTO_NUM, exp_nat.proto.l4protonum);
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diff |= EXP_DIFF_L4PROTO_PORTS(NAT_L4PROTO_PORTS, exp_nat.proto.l4protodata.port);
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diff |= EXP_DIFF_L4PROTO_ICMP(NAT_L4PROTO_ICMP, exp_nat.proto.l4protodata.icmp);
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diff |= EXP_DIFF_L4PROTO_PORTS(NAT_L4PROTO_PORTS, exp_nat.proto.l4protodata);
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diff |= EXP_DIFF_L4PROTO_ICMP(NAT_L4PROTO_ICMP, exp_nat.proto.l4protodata);
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#undef EXP_DIFF
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#undef EXP_DIFF_VAL
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@ -479,6 +478,11 @@ void nfnl_exp_set_flags(struct nfnl_exp *exp, uint32_t flags)
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exp->ce_mask |= EXP_ATTR_FLAGS;
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}
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int nfnl_exp_test_flags(const struct nfnl_exp *exp)
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{
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return !!(exp->ce_mask & EXP_ATTR_FLAGS);
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}
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void nfnl_exp_unset_flags(struct nfnl_exp *exp, uint32_t flags)
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{
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exp->exp_flags &= ~flags;
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@ -592,22 +596,6 @@ uint32_t nfnl_exp_get_class(const struct nfnl_exp *exp)
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return exp->exp_class;
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}
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void nfnl_exp_set_flags(struct nfnl_exp *exp, uint32_t flags)
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{
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exp->exp_flags = flags;
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exp->ce_mask |= EXP_ATTR_FLAGS;
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}
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int nfnl_exp_test_flags(const struct nfnl_exp *exp)
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{
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return !!(exp->ce_mask & EXP_ATTR_FLAGS);
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}
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uint32_t nfnl_exp_get_flags(const struct nfnl_exp *exp)
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{
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return exp->exp_flags;
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}
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int nfnl_exp_set_fn(struct nfnl_exp *exp, void *fn)
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{
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free(exp->exp_fn);
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@ -645,27 +633,13 @@ uint8_t nfnl_exp_get_nat_dir(const struct nfnl_exp *exp)
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return exp->exp_nat_dir;
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}
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static struct nfnl_exp_dir *exp_get_dir(struct nfnl_exp *exp, int tuple)
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{
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struct nfnl_exp_dir *dir = NULL;
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switch (tuple) {
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case NFNL_EXP_TUPLE_MASTER:
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dir = &exp->exp_master;
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break;
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case NFNL_EXP_TUPLE_MASK:
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dir = &exp->exp_mask;
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break;
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case NFNL_EXP_TUPLE_NAT:
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dir = &exp->exp_nat;
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break;
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case NFNL_EXP_TUPLE_EXPECT:
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default :
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dir = &exp->exp_expect;
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break;
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}
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return dir;
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}
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#define EXP_GET_TUPLE(e, t) \
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(t == NFNL_EXP_TUPLE_MASTER) ? \
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&(e->exp_master) : \
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(t == NFNL_EXP_TUPLE_MASK) ?\
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&(e->exp_mask) : \
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(t == NFNL_EXP_TUPLE_NAT) ?\
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&(e->exp_nat) : &(exp->exp_expect)
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static int exp_get_src_attr(int tuple)
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{
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@ -735,14 +709,14 @@ static int exp_set_addr(struct nfnl_exp *exp, struct nl_addr *addr,
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int nfnl_exp_set_src(struct nfnl_exp *exp, int tuple, struct nl_addr *addr)
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{
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struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
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struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
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return exp_set_addr(exp, addr, exp_get_src_attr(tuple), &dir->src);
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}
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int nfnl_exp_set_dst(struct nfnl_exp *exp, int tuple, struct nl_addr *addr)
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{
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struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
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struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
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return exp_set_addr(exp, addr, exp_get_dst_attr(tuple), &dir->dst);
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}
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@ -760,7 +734,7 @@ int nfnl_exp_test_dst(const struct nfnl_exp *exp, int tuple)
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struct nl_addr *nfnl_exp_get_src(const struct nfnl_exp *exp, int tuple)
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{
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const struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
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const struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
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if (!(exp->ce_mask & exp_get_src_attr(tuple)))
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return NULL;
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@ -769,7 +743,7 @@ struct nl_addr *nfnl_exp_get_src(const struct nfnl_exp *exp, int tuple)
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struct nl_addr *nfnl_exp_get_dst(const struct nfnl_exp *exp, int tuple)
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{
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const struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
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const struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
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if (!(exp->ce_mask & exp_get_dst_attr(tuple)))
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return NULL;
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@ -801,20 +775,20 @@ static int exp_get_l4protonum_attr(int tuple)
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void nfnl_exp_set_l4protonum(struct nfnl_exp *exp, int tuple, uint8_t l4protonum)
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{
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const struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
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struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
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dir->proto.l4protonum = l4protonum;
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exp->ce_mask |= exp_get_l4protonum_attr(exp, tuple);
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exp->ce_mask |= exp_get_l4protonum_attr(tuple);
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}
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int nfnl_exp_test_l4protonum(const struct nfnl_exp *exp, int tuple)
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{
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return !!(exp->ce_mask & exp_get_l4protonum_attr(exp, tuple));
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return !!(exp->ce_mask & exp_get_l4protonum_attr(tuple));
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}
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struct uint8_t * nfnl_exp_get_l4protonum(const struct nfnl_exp *exp, int tuple)
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uint8_t nfnl_exp_get_l4protonum(const struct nfnl_exp *exp, int tuple)
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{
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const struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
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const struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
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return dir->proto.l4protonum;
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}
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@ -843,7 +817,7 @@ static int exp_get_l4ports_attr(int tuple)
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void nfnl_exp_set_ports(struct nfnl_exp *exp, int tuple, uint16_t srcport, uint16_t dstport)
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{
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struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
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struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
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dir->proto.l4protodata.port.src = srcport;
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dir->proto.l4protodata.port.dst = dstport;
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@ -858,13 +832,13 @@ int nfnl_exp_test_ports(const struct nfnl_exp *exp, int tuple)
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uint16_t nfnl_exp_get_src_port(const struct nfnl_exp *exp, int tuple)
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{
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const struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
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const struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
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return dir->proto.l4protodata.port.src;
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}
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uint16_t nfnl_exp_get_dst_port(const struct nfnl_exp *exp, int tuple)
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{
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const struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
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const struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
|
||||
|
||||
return dir->proto.l4protodata.port.dst;
|
||||
}
|
||||
|
@ -892,9 +866,9 @@ static int exp_get_l4icmp_attr(int tuple)
|
|||
return attr;
|
||||
}
|
||||
|
||||
void nfnl_exp_set_icmp(struct nfnl_exp *exp, int tuple, uint16_t id, uint8_t type, uint8_t, code)
|
||||
void nfnl_exp_set_icmp(struct nfnl_exp *exp, int tuple, uint16_t id, uint8_t type, uint8_t code)
|
||||
{
|
||||
struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
|
||||
struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
|
||||
|
||||
dir->proto.l4protodata.icmp.id = id;
|
||||
dir->proto.l4protodata.icmp.type = type;
|
||||
|
@ -911,21 +885,21 @@ int nfnl_exp_test_icmp(const struct nfnl_exp *exp, int tuple)
|
|||
|
||||
uint16_t nfnl_exp_get_icmp_id(const struct nfnl_exp *exp, int tuple)
|
||||
{
|
||||
const struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
|
||||
const struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
|
||||
|
||||
return dir->proto.l4protodata.icmp.id;
|
||||
}
|
||||
|
||||
uint8_t nfnl_exp_get_icmp_type(const struct nfnl_exp *exp, int tuple)
|
||||
{
|
||||
const struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
|
||||
const struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
|
||||
|
||||
return dir->proto.l4protodata.icmp.type;
|
||||
}
|
||||
|
||||
uint8_t nfnl_ct_get_icmp_code(const struct nfnl_exp *exp, int tuple)
|
||||
uint8_t nfnl_exp_get_icmp_code(const struct nfnl_exp *exp, int tuple)
|
||||
{
|
||||
const struct nfnl_exp_dir *dir = exp_get_dir(exp, tuple);
|
||||
const struct nfnl_exp_dir *dir = EXP_GET_TUPLE(exp, tuple);
|
||||
|
||||
return dir->proto.l4protodata.icmp.code;
|
||||
}
|
||||
|
|
Loading…
Add table
Reference in a new issue