examples: nft-set-get: retrieve all sets per family

Likewise other nftables objects, this patch allows you to dump
the sets per family.

This is possible since kernel changes (netfilter: nf_tables: allow
to dump all existing sets), we can get the full list of sets per
family.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/examples/nft-set-get.c b/examples/nft-set-get.c
index 7813cf04732d92573770eb153eefa515d98dbc35..4bc585c7d0df133289bb852869443de390507608 100644 (file)
--- a/examples/nft-set-get.c
+++ b/examples/nft-set-get.c
@@ -56,8 +56,8 @@ int main(int argc, char *argv[])
        struct nft_set *t = NULL;
        int ret;
 
-       if (argc < 3 || argc > 4) {
-               fprintf(stderr, "%s <family> <table> [<json|xml>]\n", argv[0]);
+       if (argc < 2 || argc > 3) {
+               fprintf(stderr, "%s <family> [<json|xml>]\n", argv[0]);
                return EXIT_FAILURE;
        }
        t = nft_set_alloc();
@@ -79,14 +79,15 @@ int main(int argc, char *argv[])
                exit(EXIT_FAILURE);
        }
 
-       if (argc == 4 && strcmp(argv[3], "json") == 0)
+       if (argc == 3 && strcmp(argv[2], "json") == 0)
                type = NFT_SET_O_JSON;
-       else if (argc == 4 && strcmp(argv[3], "xml") == 0)
+       else if (argc == 3 && strcmp(argv[2], "xml") == 0)
                type = NFT_SET_O_XML;
 
        nlh = nft_set_nlmsg_build_hdr(buf, NFT_MSG_GETSET, family,
                                        NLM_F_DUMP|NLM_F_ACK, seq);
-       nft_set_attr_set(t, NFT_SET_ATTR_TABLE, argv[2]);
+       /* Use this below if you want to obtain sets per table */
+/*     nft_set_attr_set(t, NFT_SET_ATTR_TABLE, argv[2]); */
        nft_set_nlmsg_build_payload(nlh, t);
        nft_set_free(t);