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/* $OpenBSD: printconf.c,v 1.9 2024/05/17 06:50:14 florian Exp $ */
/*
* Copyright (c) 2018 Florian Obser <florian@openbsd.org>
* Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include <netinet/in.h>
#include <netinet/icmp6.h>
#include <net/if.h>
#include <arpa/inet.h>
#include <event.h>
#include <imsg.h>
#include <stdio.h>
#include "rad.h"
const char* yesno(int);
const char* rtpref(int);
void print_ra_options(const char*, const struct ra_options_conf*);
void print_prefix_options(const char*, const struct ra_prefix_conf*);
const char*
yesno(int flag)
{
return flag ? "yes" : "no";
}
const char*
rtpref(int rtpref)
{
switch (rtpref & ND_RA_FLAG_RTPREF_MASK) {
case ND_RA_FLAG_RTPREF_HIGH:
return "high";
case ND_RA_FLAG_RTPREF_MEDIUM:
return "medium";
case ND_RA_FLAG_RTPREF_LOW:
return "low";
default:
return "invalid";
}
}
void
print_ra_options(const char *indent, const struct ra_options_conf *ra_options)
{
struct ra_rdnss_conf *ra_rdnss;
struct ra_dnssl_conf *ra_dnssl;
struct ra_pref64_conf *pref64;
char buf[INET6_ADDRSTRLEN];
printf("%sdefault router %s\n", indent, yesno(ra_options->dfr));
printf("%shop limit %d\n", indent, ra_options->cur_hl);
printf("%smanaged address configuration %s\n", indent,
yesno(ra_options->m_flag));
printf("%sother configuration %s\n", indent, yesno(ra_options->o_flag));
printf("%srouter preference %s\n", indent, rtpref(ra_options->rtpref));
printf("%srouter lifetime %d\n", indent, ra_options->router_lifetime);
printf("%sreachable time %u\n", indent, ra_options->reachable_time);
printf("%sretrans timer %u\n", indent, ra_options->retrans_timer);
printf("%ssource link-layer address %s\n", indent,
yesno(ra_options->source_link_addr));
if (ra_options->mtu > 0)
printf("%smtu %u\n", indent, ra_options->mtu);
if (!SIMPLEQ_EMPTY(&ra_options->ra_rdnss_list) ||
!SIMPLEQ_EMPTY(&ra_options->ra_dnssl_list)) {
printf("%sdns {\n", indent);
printf("%s\tlifetime %u\n", indent, ra_options->rdns_lifetime);
if (!SIMPLEQ_EMPTY(&ra_options->ra_rdnss_list)) {
printf("%s\tnameserver {\n", indent);
SIMPLEQ_FOREACH(ra_rdnss,
&ra_options->ra_rdnss_list, entry) {
inet_ntop(AF_INET6, &ra_rdnss->rdnss,
buf, sizeof(buf));
printf("%s\t\t%s\n", indent, buf);
}
printf("%s\t}\n", indent);
}
if (!SIMPLEQ_EMPTY(&ra_options->ra_dnssl_list)) {
printf("%s\tsearch {\n", indent);
SIMPLEQ_FOREACH(ra_dnssl,
&ra_options->ra_dnssl_list, entry)
printf("%s\t\t%s\n", indent, ra_dnssl->search);
printf("%s\t}\n", indent);
}
printf("%s}\n", indent);
}
SIMPLEQ_FOREACH(pref64, &ra_options->ra_pref64_list, entry) {
printf("%snat64 prefix %s/%d {\n", indent, inet_ntop(AF_INET6,
&pref64->prefix, buf, sizeof(buf)), pref64->prefixlen);
printf("%s\tlifetime %u\n", indent, pref64->ltime);
printf("%s}\n", indent);
}
}
void
print_prefix_options(const char *indent, const struct ra_prefix_conf
*ra_prefix_conf)
{
printf("%svalid lifetime %u\n", indent, ra_prefix_conf->vltime);
printf("%spreferred lifetime %u\n", indent, ra_prefix_conf->pltime);
printf("%son-link %s\n", indent, yesno(ra_prefix_conf->lflag));
printf("%sautonomous address-configuration %s\n", indent,
yesno(ra_prefix_conf->aflag));
}
void
print_config(struct rad_conf *conf)
{
struct ra_iface_conf *iface;
struct ra_prefix_conf *prefix;
char buf[INET6_ADDRSTRLEN];
print_ra_options("", &conf->ra_options);
printf("\n");
SIMPLEQ_FOREACH(iface, &conf->ra_iface_list, entry) {
printf("interface %s {\n", iface->name);
print_ra_options("\t", &iface->ra_options);
if (iface->autoprefix) {
printf("\tauto prefix {\n");
print_prefix_options("\t\t", iface->autoprefix);
printf("\t}\n");
} else
printf("\tno auto prefix\n");
SIMPLEQ_FOREACH(prefix, &iface->ra_prefix_list, entry) {
printf("\tprefix %s/%d {\n", inet_ntop(AF_INET6,
&prefix->prefix, buf, sizeof(buf)),
prefix->prefixlen);
print_prefix_options("\t\t", prefix);
printf("\t}\n");
}
printf("}\n");
}
}
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