diff options
| 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-save.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-save.c')
| -rw-r--r-- | iptables/xtables-save.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/iptables/xtables-save.c b/iptables/xtables-save.c index 111ad4be..49b859dd 100644 --- a/iptables/xtables-save.c +++ b/iptables/xtables-save.c @@ -96,7 +96,13 @@ xtables_save_main(int argc, char *argv[]) init_extensions(); init_extensions4(); #endif - nft_init(&h); + if (nft_init(&h) < 0) { + fprintf(stderr, "%s/%s Failed to initialize nft: %s\n", + xtables_globals.program_name, + xtables_globals.program_version, + strerror(errno)); + exit(EXIT_FAILURE); + } while ((c = getopt_long(argc, argv, "bcdt:46", options, NULL)) != -1) { switch (c) { |