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author | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-06-25 11:56:55 +0200 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-12-30 23:50:34 +0100 |
commit | 9283066f1216276116b3f4f85abf18bd673a7b11 (patch) | |
tree | 453cc82a8a10c9ffa9b2724eff04e22d3c279c1c /iptables/xtables-config.c | |
parent | 137cc981906f356c971da6de13e777a419382ff4 (diff) |
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 <pablo@netfilter.org>
Diffstat (limited to 'iptables/xtables-config.c')
-rw-r--r-- | iptables/xtables-config.c | 6 |
1 files changed, 5 insertions, 1 deletions
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; |