[libnftnl PATCH 2/3] example/nft-rule-insert: fixed and merged this example with nft-rule-add

[Alvaro Neira Ayuso <alvaroneay@gmail.com>]

From: Álvaro Neira Ayuso <anayuso@sysmocom.de>

Merged the example for inserting rules and fixed for using
the correct header.

Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Alvaro Neira Ayuso <anayuso@sysmocom.de>
---
 examples/nft-rule-add.c |   16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/examples/nft-rule-add.c b/examples/nft-rule-add.c
index 21b3bf8..7407a78 100644
--- a/examples/nft-rule-add.c
+++ b/examples/nft-rule-add.c
@@ -80,11 +80,12 @@ static void add_counter(struct nft_rule *r)
 }
 
 static struct nft_rule *setup_rule(uint8_t family, const char *table,
-				   const char *chain)
+				   const char *chain, const char *handle)
 {
 	struct nft_rule *r = NULL;
 	uint8_t proto;
 	uint16_t dport;
+	uint64_t hand;
 
 	r = nft_rule_alloc();
 	if (r == NULL) {
@@ -96,6 +97,12 @@ static struct nft_rule *setup_rule(uint8_t family, const char *table,
 	nft_rule_attr_set(r, NFT_RULE_ATTR_CHAIN, chain);
 	nft_rule_attr_set_u32(r, NFT_RULE_ATTR_FAMILY, family);
 
+	if (handle != NULL) {
+		printf("entra\n");
+		hand = atoi(handle);
+		nft_rule_attr_set(r, NFT_RULE_ATTR_POSITION, &hand);
+	}
+
 	proto = IPPROTO_TCP;
 	add_payload(r, NFT_PAYLOAD_NETWORK_HEADER, NFT_REG_1,
 		    offsetof(struct iphdr, protocol), sizeof(uint8_t));
@@ -138,7 +145,7 @@ int main(int argc, char *argv[])
 	uint32_t seq = time(NULL);
 	int ret;
 
-	if (argc != 4) {
+	if (argc < 4 || argc > 5) {
 		fprintf(stderr, "Usage: %s <family> <table> <chain>\n", argv[0]);
 		exit(EXIT_FAILURE);
 	}
@@ -152,7 +159,10 @@ int main(int argc, char *argv[])
 		exit(EXIT_FAILURE);
 	}
 
-	r = setup_rule(family, argv[2], argv[3]);
+	if (argc != 5)
+		r = setup_rule(family, argv[2], argv[3], NULL);
+	else
+		r = setup_rule(family, argv[2], argv[3], argv[4]);
 
 	nl = mnl_socket_open(NETLINK_NETFILTER);
 	if (nl == NULL) {

--
To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html