diff options
author | Florian Westphal <fw@strlen.de> | 2018-04-18 00:09:04 +0200 |
---|---|---|
committer | Florian Westphal <fw@strlen.de> | 2018-04-19 10:18:10 +0200 |
commit | 71a6e372f82b6c50c14c8034a974f3ad5983314d (patch) | |
tree | 7cc9d9491ac1035f668d11cca7ec186822c51a55 /extensions/libxt_icmp.h | |
parent | e67c08880961f64984b396d6e8ad6bad04546253 (diff) |
icmp: split icmp type printing to header file
libebt_ip will get icmp support soon, unify icmp name
mapping a bit so we can re-use this code from libebt_ip.c.
It doesn't seem to be too useful to move to libxtables
(as its icmp specific), so add a hedaer file for this to reduce
copy & paste needs.
Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'extensions/libxt_icmp.h')
-rw-r--r-- | extensions/libxt_icmp.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/extensions/libxt_icmp.h b/extensions/libxt_icmp.h new file mode 100644 index 00000000..5820206e --- /dev/null +++ b/extensions/libxt_icmp.h @@ -0,0 +1,25 @@ +struct xt_icmp_names { + const char *name; + uint8_t type; + uint8_t code_min, code_max; +}; + +static void xt_print_icmp_types(const struct xt_icmp_names *icmp_codes, + unsigned int n_codes) +{ + unsigned int i; + + for (i = 0; i < n_codes; ++i) { + if (i && icmp_codes[i].type == icmp_codes[i-1].type) { + if (icmp_codes[i].code_min == icmp_codes[i-1].code_min + && (icmp_codes[i].code_max + == icmp_codes[i-1].code_max)) + printf(" (%s)", icmp_codes[i].name); + else + printf("\n %s", icmp_codes[i].name); + } + else + printf("\n%s", icmp_codes[i].name); + } + printf("\n"); +} |