diff options
-rw-r--r-- | configure.ac | 1 | ||||
-rw-r--r-- | examples/Makefile.am | 3 | ||||
-rw-r--r-- | examples/nft-buffer.c | 34 |
3 files changed, 38 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 503883f2..d321c960 100644 --- a/configure.ac +++ b/configure.ac @@ -145,6 +145,7 @@ AC_CONFIG_FILES([ \ files/osf/Makefile \ doc/Makefile \ py/Makefile \ + examples/Makefile \ ]) AC_OUTPUT diff --git a/examples/Makefile.am b/examples/Makefile.am new file mode 100644 index 00000000..dd637fe3 --- /dev/null +++ b/examples/Makefile.am @@ -0,0 +1,3 @@ +noinst_PROGRAMS = nft-buffer + +LDADD = $(top_builddir)/src/libnftables.la diff --git a/examples/nft-buffer.c b/examples/nft-buffer.c new file mode 100644 index 00000000..1c4b1e04 --- /dev/null +++ b/examples/nft-buffer.c @@ -0,0 +1,34 @@ +/* gcc nft-buffer.c -o nft-buffer -lnftables */ +#include <stdlib.h> +#include <nftables/libnftables.h> + +const char ruleset[] = + "flush ruleset;" + "add table x;" + "add chain x y { type filter hook input priority 0; };" + "add rule x y counter;"; + +int main(void) +{ + struct nft_ctx *ctx; + int err; + + ctx = nft_ctx_new(0); + if (!ctx) { + perror("cannot allocate nft context"); + return EXIT_FAILURE; + } + + /* create ruleset: all commands in the buffer are atomically applied */ + err = nft_run_cmd_from_buffer(ctx, ruleset); + if (err < 0) + fprintf(stderr, "failed to run nftables command\n"); + + err = nft_run_cmd_from_buffer(ctx, "list ruleset"); + if (err < 0) + fprintf(stderr, "failed to run nftables command\n"); + + nft_ctx_free(ctx); + + return EXIT_SUCCESS; +} |