netfilter-devel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: mikhail.sennikovskii@cloud.ionos.com
Subject: [PATCH conntrack 3/6] conntrack: pass cmd to nfct_filter()
Date: Mon, 15 Mar 2021 17:49:26 +0100	[thread overview]
Message-ID: <20210315164929.23608-3-pablo@netfilter.org> (raw)
In-Reply-To: <20210315164929.23608-1-pablo@netfilter.org>

Pass the command object to the userspace filter routine.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 src/conntrack.c | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

diff --git a/src/conntrack.c b/src/conntrack.c
index 31630eb1f926..79053b7482c6 100644
--- a/src/conntrack.c
+++ b/src/conntrack.c
@@ -1640,9 +1640,11 @@ filter_network(const struct nf_conntrack *ct)
 }
 
 static int
-nfct_filter(struct nf_conntrack *obj, struct nf_conntrack *ct,
+nfct_filter(struct ct_cmd *cmd, struct nf_conntrack *ct,
 	    const struct ct_tmpl *tmpl)
 {
+	struct nf_conntrack *obj = cmd->tmpl.ct;
+
 	if (filter_nat(obj, ct) ||
 	    filter_mark(ct, tmpl) ||
 	    filter_label(ct, tmpl) ||
@@ -1854,9 +1856,8 @@ static int event_cb(const struct nlmsghdr *nlh, void *data)
 {
 	struct nfgenmsg *nfh = mnl_nlmsg_get_payload(nlh);
 	unsigned int op_type = NFCT_O_DEFAULT;
-	struct ct_cmd *cmd = data;
-	struct nf_conntrack *obj = cmd->tmpl.ct;
 	enum nf_conntrack_msg_type type;
+	struct ct_cmd *cmd = data;
 	unsigned int op_flags = 0;
 	struct nf_conntrack *ct;
 	char buf[1024];
@@ -1886,7 +1887,7 @@ static int event_cb(const struct nlmsghdr *nlh, void *data)
 
 	if ((filter_family != AF_UNSPEC &&
 	     filter_family != nfh->nfgen_family) ||
-	    nfct_filter(obj, ct, cur_tmpl))
+	    nfct_filter(cmd, ct, cur_tmpl))
 		goto out;
 
 	if (output_mask & _O_SAVE) {
@@ -1941,13 +1942,12 @@ static int dump_cb(enum nf_conntrack_msg_type type,
 		   struct nf_conntrack *ct,
 		   void *data)
 {
-	struct ct_cmd *cmd = data;
-	struct nf_conntrack *obj = cmd->tmpl.ct;
 	unsigned int op_type = NFCT_O_DEFAULT;
 	unsigned int op_flags = 0;
+	struct ct_cmd *cmd = data;
 	char buf[1024];
 
-	if (nfct_filter(obj, ct, cur_tmpl))
+	if (nfct_filter(cmd, ct, cur_tmpl))
 		return NFCT_CB_CONTINUE;
 
 	if (output_mask & _O_SAVE) {
@@ -1983,14 +1983,13 @@ static int delete_cb(enum nf_conntrack_msg_type type,
 		     struct nf_conntrack *ct,
 		     void *data)
 {
-	struct ct_cmd *cmd = data;
-	struct nf_conntrack *obj = cmd->tmpl.ct;
 	unsigned int op_type = NFCT_O_DEFAULT;
 	unsigned int op_flags = 0;
+	struct ct_cmd *cmd = data;
 	char buf[1024];
 	int res;
 
-	if (nfct_filter(obj, ct, cur_tmpl))
+	if (nfct_filter(cmd, ct, cur_tmpl))
 		return NFCT_CB_CONTINUE;
 
 	res = nfct_query(ith, NFCT_Q_DESTROY, ct);
-- 
2.20.1


  parent reply	other threads:[~2021-03-15 16:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-15 16:49 [PATCH conntrack 1/6] conntrack: pass command object to callbacks Pablo Neira Ayuso
2021-03-15 16:49 ` [PATCH conntrack 2/6] conntrack: pass ct_cmd to nfct_filter_init() Pablo Neira Ayuso
2021-03-15 16:49 ` Pablo Neira Ayuso [this message]
2021-03-15 16:49 ` [PATCH conntrack 4/6] conntrack: pass cmd to filter nat, mark and network functions Pablo Neira Ayuso
2021-03-15 16:49 ` [PATCH conntrack 5/6] conntrack: move options flag to ct_cmd object Pablo Neira Ayuso
2021-03-15 16:49 ` [PATCH conntrack 6/6] conntrack: add function to print command stats Pablo Neira Ayuso

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210315164929.23608-3-pablo@netfilter.org \
    --to=pablo@netfilter.org \
    --cc=mikhail.sennikovskii@cloud.ionos.com \
    --cc=netfilter-devel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).