The NFCT_Q_FLUSH command flushes both IPv4 and IPv6 conntrack tables.
Add new command NFCT_Q_FLUSH_FILTER that allows to flush based on the
family to retain backward compatibility on NFCT_Q_FLUSH.
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
---
include/libnetfilter_conntrack/libnetfilter_conntrack.h | 1 +
src/conntrack/api.c | 3 +++
2 files changed, 4 insertions(+)
diff --git a/include/libnetfilter_conntrack/libnetfilter_conntrack.h b/include/libnetfilter_conntrack/libnetfilter_conntrack.h
index c5c6b615a3bf..f02d827761a8 100644
--- a/include/libnetfilter_conntrack/libnetfilter_conntrack.h
+++ b/include/libnetfilter_conntrack/libnetfilter_conntrack.h
@@ -452,6 +452,7 @@ enum nf_conntrack_query {
NFCT_Q_CREATE_UPDATE,
NFCT_Q_DUMP_FILTER,
NFCT_Q_DUMP_FILTER_RESET,
+ NFCT_Q_FLUSH_FILTER,
};
extern int nfct_query(struct nfct_handle *h,
diff --git a/src/conntrack/api.c b/src/conntrack/api.c
index 78d7d613d925..b7f64fb43ce8 100644
--- a/src/conntrack/api.c
+++ b/src/conntrack/api.c
@@ -831,6 +831,9 @@ __build_query_ct(struct nfnl_subsys_handle *ssh,
nfct_fill_hdr(req, IPCTNL_MSG_CT_DELETE, NLM_F_ACK, *family,
NFNETLINK_V0);
break;
+ case NFCT_Q_FLUSH_FILTER:
+ nfct_fill_hdr(req, IPCTNL_MSG_CT_DELETE, NLM_F_ACK, *family, 1);
+ break;
case NFCT_Q_DUMP:
nfct_fill_hdr(req, IPCTNL_MSG_CT_GET, NLM_F_DUMP, *family,
NFNETLINK_V0);
--
2.20.1
