From 9283066f1216276116b3f4f85abf18bd673a7b11 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 25 Jun 2013 11:56:55 +0200 Subject: xtables: do not proceed if nft_init fails Fix a crash if nft_init fails, it happens if nfnetlink support is not available in your Linux kernel. Signed-off-by: Pablo Neira Ayuso --- iptables/xtables-config.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'iptables/xtables-config.c') diff --git a/iptables/xtables-config.c b/iptables/xtables-config.c index 12165627..515b18b1 100644 --- a/iptables/xtables-config.c +++ b/iptables/xtables-config.c @@ -35,7 +35,11 @@ int xtables_config_main(int argc, char *argv[]) else filename = argv[1]; - nft_init(&h); + if (nft_init(&h) < 0) { + fprintf(stderr, "Failed to initialize nft: %s\n", + strerror(errno)); + return EXIT_FAILURE; + } return nft_xtables_config_load(&h, filename, NFT_LOAD_VERBOSE) == 0 ? EXIT_SUCCESS : EXIT_FAILURE; -- cgit v1.2.3