diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/conntrack/build.c | 18 | ||||
-rw-r--r-- | src/conntrack/getter.c | 6 | ||||
-rw-r--r-- | src/conntrack/parse.c | 19 | ||||
-rw-r--r-- | src/conntrack/setter.c | 7 |
4 files changed, 50 insertions, 0 deletions
diff --git a/src/conntrack/build.c b/src/conntrack/build.c index 1bc87f9..f9d6f8e 100644 --- a/src/conntrack/build.c +++ b/src/conntrack/build.c @@ -308,6 +308,21 @@ void __build_secmark(struct nfnlhdr *req, nfnl_addattr32(&req->nlh, size, CTA_SECMARK, htonl(ct->secmark)); } +void __build_helper_name(struct nfnlhdr *req, + size_t size, + const struct nf_conntrack *ct) +{ + struct nfattr *nest; + + nest = nfnl_nest(&req->nlh, size, CTA_HELP); + nfnl_addattr_l(&req->nlh, + size, + CTA_HELP_NAME, + ct->helper_name, + strlen(ct->helper_name)); + nfnl_nest_end(&req->nlh, nest); +} + int __build_conntrack(struct nfnl_subsys_handle *ssh, struct nfnlhdr *req, size_t size, @@ -417,5 +432,8 @@ int __build_conntrack(struct nfnl_subsys_handle *ssh, test_bit(ATTR_REPL_NAT_SEQ_OFFSET_AFTER, ct->set)) __build_nat_seq_adj(req, size, ct, __DIR_REPL); + if (test_bit(ATTR_HELPER_NAME, ct->set)) + __build_helper_name(req, size, ct); + return 0; } diff --git a/src/conntrack/getter.c b/src/conntrack/getter.c index 20a2a35..658d010 100644 --- a/src/conntrack/getter.c +++ b/src/conntrack/getter.c @@ -282,6 +282,11 @@ static const void *get_attr_repl_off_aft(const struct nf_conntrack *ct) return &ct->tuple[__DIR_REPL].natseq.offset_after; } +static const void *get_attr_helper_name(const struct nf_conntrack *ct) +{ + return ct->helper_name; +} + get_attr get_attr_array[] = { [ATTR_ORIG_IPV4_SRC] = get_attr_orig_ipv4_src, [ATTR_ORIG_IPV4_DST] = get_attr_orig_ipv4_dst, @@ -338,4 +343,5 @@ get_attr get_attr_array[] = { [ATTR_SCTP_STATE] = get_attr_sctp_state, [ATTR_SCTP_VTAG_ORIG] = get_attr_sctp_vtag_orig, [ATTR_SCTP_VTAG_REPL] = get_attr_sctp_vtag_repl, + [ATTR_HELPER_NAME] = get_attr_helper_name, }; diff --git a/src/conntrack/parse.c b/src/conntrack/parse.c index 11cf5ff..d453bc6 100644 --- a/src/conntrack/parse.c +++ b/src/conntrack/parse.c @@ -356,6 +356,22 @@ __parse_nat_seq(const struct nfattr *attr, struct nf_conntrack *ct, int dir) } } +static void +__parse_helper(const struct nfattr *attr, struct nf_conntrack *ct) +{ + struct nfattr *tb[CTA_HELP_MAX]; + + nfnl_parse_nested(tb, CTA_HELP_MAX, attr); + if (!tb[CTA_HELP_NAME-1]) + return; + + strncpy(ct->helper_name, + NFA_DATA(tb[CTA_HELP_NAME-1]), + __NFCT_HELPER_NAMELEN); + ct->helper_name[__NFCT_HELPER_NAMELEN-1] = '\0'; + set_bit(ATTR_HELPER_NAME, ct->set); +} + int __parse_message_type(const struct nlmsghdr *nlh) { u_int16_t type = NFNL_MSG_TYPE(nlh->nlmsg_type); @@ -447,4 +463,7 @@ void __parse_conntrack(const struct nlmsghdr *nlh, ct->id = ntohl(*(u_int32_t *)NFA_DATA(cda[CTA_ID-1])); set_bit(ATTR_ID, ct->set); } + + if (cda[CTA_HELP-1]) + __parse_helper(cda[CTA_HELP-1], ct); } diff --git a/src/conntrack/setter.c b/src/conntrack/setter.c index 6759652..3291bd1 100644 --- a/src/conntrack/setter.c +++ b/src/conntrack/setter.c @@ -308,6 +308,12 @@ static void set_attr_repl_off_aft(struct nf_conntrack *ct, const void *value) ct->tuple[__DIR_REPL].natseq.offset_after = *((u_int32_t *) value); } +static void set_attr_helper_name(struct nf_conntrack *ct, const void *value) +{ + strncpy(ct->helper_name, value, __NFCT_HELPER_NAMELEN); + ct->helper_name[__NFCT_HELPER_NAMELEN-1] = '\0'; +} + static void set_attr_do_nothing(struct nf_conntrack *ct, const void *value) {} set_attr set_attr_array[] = { @@ -366,4 +372,5 @@ set_attr set_attr_array[] = { [ATTR_SCTP_STATE] = set_attr_sctp_state, [ATTR_SCTP_VTAG_ORIG] = set_attr_sctp_vtag_orig, [ATTR_SCTP_VTAG_REPL] = set_attr_sctp_vtag_repl, + [ATTR_HELPER_NAME] = set_attr_helper_name, }; |