From be875657f0fcaa2f87658a07c9de9fefb7f74f29 Mon Sep 17 00:00:00 2001
From: liubo <liubo335@huawei.com>
Date: Mon, 13 Mar 2023 19:58:35 +0800
Subject: [PATCH] add test case and enable in rpmbuild

---
 utils/Makefile.in |  2 ++
 utils/iftest.c    | 49 ++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/utils/Makefile.in b/utils/Makefile.in
index d0c62f6..5bd6d2a 100644
--- a/utils/Makefile.in
+++ b/utils/Makefile.in
@@ -402,8 +402,10 @@ distdir: $(DISTFILES)
 	    || exit 1; \
 	  fi; \
 	done
+ETHNAME=$(shell  cat /proc/net/dev |  awk '/[0-9]+/{print $$1,$$2}'|  sed 's/://' |  sort -k2rn | head -n1 | awk '{print $$1}' )
 check-am: all-am
 	$(MAKE) $(AM_MAKEFLAGS) $(check_PROGRAMS)
+	./iftest $(ETHNAME)
 check: check-am
 all-am: Makefile
 installdirs:
diff --git a/utils/iftest.c b/utils/iftest.c
index 02f5807..b0cf819 100644
--- a/utils/iftest.c
+++ b/utils/iftest.c
@@ -5,15 +5,19 @@
 #include <string.h>
 #include <errno.h>
 #include <net/if.h>
+#include <linux/netfilter/nfnetlink.h>
 
+#include <libnfnetlink/linux_nfnetlink.h>
 #include <libnfnetlink/libnfnetlink.h>
 
 int main(int argc, char *argv[])
 {
 	int idx;
 	struct nlif_handle *h;
+	struct nfnl_handle *nf;
+	struct nfnl_subsys_handle *nsh;
 	char name[IFNAMSIZ];
-	unsigned int flags;
+	unsigned int flags,bf;
 
 	if (argc != 2) {
 		fprintf(stderr, "Usage: %s <interface>\n", argv[0]);
@@ -48,5 +52,48 @@ int main(int argc, char *argv[])
 		flags & IFF_UP ? "UP" : "DOWN");
 
 	nlif_close(h);
+
+	nf = nfnl_open();
+
+	bf = nfnl_rcvbufsiz(nf,NFNL_BUFFSIZE/2);
+	if(bf != NFNL_BUFFSIZE){
+		printf("set the socket buffer size fail.\n");
+	}
+
+	nsh = nfnl_subsys_open(nf,NFNL_SUBSYS_CTNETLINK,5,0);
+
+	if(nfnl_callback_unregister(nsh,16)!=-1){
+		fprintf(stderr,"test ungister nfnl callback Anomalies failure\n");
+	}
+	if(nfnl_callback_unregister(nsh,0)==-1){
+		fprintf(stderr,"Cannot get unregister nfnl callback for device `%s'\n", argv[1]);
+	}
+
+	struct nfqnl_msg_config_params {
+	__be32		copy_range;
+	__u8	copy_mode;
+	} __attribute__ ((packed));
+
+	union {
+		char buf[NFNL_HEADER_LEN
+			+NFA_LENGTH(sizeof(struct nfqnl_msg_config_params))];
+		struct nlmsghdr nmh;
+	} u;
+	struct nfqnl_msg_config_params params;
+	nfnl_fill_hdr(nsh, &u.nmh, 0, 0, 0,
+			0, NLM_F_REQUEST|NLM_F_ACK);
+
+	params.copy_range = 0xffff;
+	params.copy_mode = 2;
+	nfnl_addattr_l(&u.nmh, sizeof(u), 2, &params,
+			sizeof(params));
+
+	if(nfnl_handle_packet(nf,(char *)&u.nmh, u.nmh.nlmsg_len)<0){
+		printf("nfnl handle packet function failure\n");
+	}
+
+	nfnl_subsys_close(nsh);
+	nfnl_close(nf);
+
 	return EXIT_SUCCESS;
 }
-- 
2.33.0