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authorPablo Neira Ayuso <pablo@netfilter.org>2022-06-13 19:20:58 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2022-06-20 16:37:00 +0200
commiteacb4bffd7bfa6d87072f208ee071ffd0e8552b1 (patch)
tree2d1fb401c65d8dc229d1af262996c451cc685ba4
parent5b8d75e2b6ee56537012108cc11191bfca28f603 (diff)
conntrack: update CT_GET to use libmnlHEADmaster
Use nfct_mnl_request() to build and send the netlink command. Remove dump_cb() since this is a copy of the new libmnl's mnl_nfct_dump_cb() callback function. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
-rw-r--r--src/conntrack.c51
1 files changed, 3 insertions, 48 deletions
diff --git a/src/conntrack.c b/src/conntrack.c
index 666f5e3..500e736 100644
--- a/src/conntrack.c
+++ b/src/conntrack.c
@@ -1995,47 +1995,6 @@ out:
return MNL_CB_OK;
}
-static int dump_cb(enum nf_conntrack_msg_type type,
- struct nf_conntrack *ct,
- void *data)
-{
- unsigned int op_type = NFCT_O_DEFAULT;
- unsigned int op_flags = 0;
- struct ct_cmd *cmd = data;
- char buf[1024];
-
- if (nfct_filter(cmd, ct, cur_tmpl))
- return NFCT_CB_CONTINUE;
-
- if (output_mask & _O_SAVE) {
- ct_save_snprintf(buf, sizeof(buf), ct, labelmap, NFCT_T_NEW);
- goto done;
- }
-
- if (output_mask & _O_XML) {
- op_type = NFCT_O_XML;
- if (dump_xml_header_done) {
- dump_xml_header_done = 0;
- printf("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
- "<conntrack>\n");
- }
- }
- if (output_mask & _O_EXT)
- op_flags = NFCT_OF_SHOW_LAYER3;
- if (output_mask & _O_KTMS)
- op_flags |= NFCT_OF_TIMESTAMP;
- if (output_mask & _O_ID)
- op_flags |= NFCT_OF_ID;
-
- nfct_snprintf_labels(buf, sizeof(buf), ct, NFCT_T_UNKNOWN, op_type, op_flags, labelmap);
-done:
- printf("%s\n", buf);
-
- counter++;
-
- return NFCT_CB_CONTINUE;
-}
-
static int nfct_mnl_request(struct nfct_mnl_socket *sock, uint16_t subsys,
int family, uint16_t type, uint16_t flags,
mnl_cb_t cb, const struct nf_conntrack *ct,
@@ -3450,13 +3409,9 @@ static int do_command_ct(const char *progname, struct ct_cmd *cmd,
break;
case CT_GET:
- cth = nfct_open(CONNTRACK, 0);
- if (!cth)
- exit_error(OTHER_PROBLEM, "Can't open handler");
-
- nfct_callback_register(cth, NFCT_T_ALL, dump_cb, cmd);
- res = nfct_query(cth, NFCT_Q_GET, cmd->tmpl.ct);
- nfct_close(cth);
+ res = nfct_mnl_request(sock, NFNL_SUBSYS_CTNETLINK, cmd->family,
+ IPCTNL_MSG_CT_GET, NLM_F_ACK,
+ mnl_nfct_dump_cb, cmd->tmpl.ct, cmd);
break;
case EXP_GET: