diff options
Diffstat (limited to 'src/expect/api.c')
| -rw-r--r-- | src/expect/api.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/src/expect/api.c b/src/expect/api.c index b50a47f..33099d8 100644 --- a/src/expect/api.c +++ b/src/expect/api.c @@ -11,6 +11,7 @@ #include <string.h> /* for memset */ #include <errno.h> #include <assert.h> +#include <libmnl/libmnl.h> #include "internal/internal.h" @@ -515,6 +516,24 @@ int nfexp_build_expect(struct nfnl_subsys_handle *ssh, return __build_expect(ssh, req, size, type, flags, exp); } +static void nfexp_fill_hdr(struct nfnlhdr *req, uint16_t type, uint16_t flags, + uint8_t l3num, uint8_t version) +{ + char *buf = (char *)&req->nlh; + struct nlmsghdr *nlh; + struct nfgenmsg *nfh; + + nlh = mnl_nlmsg_put_header(buf); + nlh->nlmsg_type = (NFNL_SUBSYS_CTNETLINK_EXP << 8) | type; + nlh->nlmsg_flags = NLM_F_REQUEST | flags; + nlh->nlmsg_seq = 0; + + nfh = mnl_nlmsg_put_extra_header(nlh, sizeof(struct nfgenmsg)); + nfh->nfgen_family = l3num; + nfh->version = version; + nfh->res_id = 0; +} + static int __build_query_exp(struct nfnl_subsys_handle *ssh, const enum nf_conntrack_query qt, @@ -543,10 +562,12 @@ __build_query_exp(struct nfnl_subsys_handle *ssh, __build_expect(ssh, req, size, IPCTNL_MSG_EXP_DELETE, NLM_F_REQUEST|NLM_F_ACK, data); break; case NFCT_Q_FLUSH: - nfnl_fill_hdr(ssh, &req->nlh, 0, *family, 0, IPCTNL_MSG_EXP_DELETE, NLM_F_REQUEST|NLM_F_ACK); + nfexp_fill_hdr(req, IPCTNL_MSG_EXP_DELETE, NLM_F_ACK, *family, + NFNETLINK_V0); break; case NFCT_Q_DUMP: - nfnl_fill_hdr(ssh, &req->nlh, 0, *family, 0, IPCTNL_MSG_EXP_GET, NLM_F_REQUEST|NLM_F_DUMP); + nfexp_fill_hdr(req, IPCTNL_MSG_EXP_GET, NLM_F_DUMP, *family, + NFNETLINK_V0); break; default: errno = ENOTSUP; |