160 lines
4.7 KiB
C
160 lines
4.7 KiB
C
/* $OpenBSD: printconf.c,v 1.8 2024/04/23 22:11:59 florian Exp $ */
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/*
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* Copyright (c) 2018 Florian Obser <florian@openbsd.org>
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* Copyright (c) 2004, 2005 Esben Norby <norby@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <sys/socket.h>
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#include <sys/uio.h>
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#include <netinet/in.h>
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#include <netinet/icmp6.h>
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#include <net/if.h>
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#include <arpa/inet.h>
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#include <event.h>
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#include <imsg.h>
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#include <stdio.h>
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#include "rad.h"
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const char* yesno(int);
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const char* rtpref(int);
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void print_ra_options(const char*, const struct ra_options_conf*);
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void print_prefix_options(const char*, const struct ra_prefix_conf*);
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const char*
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yesno(int flag)
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{
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return flag ? "yes" : "no";
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}
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const char*
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rtpref(int rtpref)
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{
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switch (rtpref & ND_RA_FLAG_RTPREF_MASK) {
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case ND_RA_FLAG_RTPREF_HIGH:
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return "high";
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case ND_RA_FLAG_RTPREF_MEDIUM:
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return "medium";
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case ND_RA_FLAG_RTPREF_LOW:
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return "low";
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default:
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return "invalid";
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}
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}
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void
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print_ra_options(const char *indent, const struct ra_options_conf *ra_options)
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{
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struct ra_rdnss_conf *ra_rdnss;
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struct ra_dnssl_conf *ra_dnssl;
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struct ra_pref64_conf *pref64;
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char buf[INET6_ADDRSTRLEN];
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printf("%sdefault router %s\n", indent, yesno(ra_options->dfr));
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printf("%shop limit %d\n", indent, ra_options->cur_hl);
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printf("%smanaged address configuration %s\n", indent,
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yesno(ra_options->m_flag));
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printf("%sother configuration %s\n", indent, yesno(ra_options->o_flag));
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printf("%srouter preference %s\n", indent, rtpref(ra_options->rtpref));
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printf("%srouter lifetime %d\n", indent, ra_options->router_lifetime);
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printf("%sreachable time %u\n", indent, ra_options->reachable_time);
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printf("%sretrans timer %u\n", indent, ra_options->retrans_timer);
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if (ra_options->mtu > 0)
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printf("%smtu %u\n", indent, ra_options->mtu);
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if (!SIMPLEQ_EMPTY(&ra_options->ra_rdnss_list) ||
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!SIMPLEQ_EMPTY(&ra_options->ra_dnssl_list)) {
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printf("%sdns {\n", indent);
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printf("%s\tlifetime %u\n", indent, ra_options->rdns_lifetime);
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if (!SIMPLEQ_EMPTY(&ra_options->ra_rdnss_list)) {
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printf("%s\tnameserver {\n", indent);
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SIMPLEQ_FOREACH(ra_rdnss,
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&ra_options->ra_rdnss_list, entry) {
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inet_ntop(AF_INET6, &ra_rdnss->rdnss,
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buf, sizeof(buf));
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printf("%s\t\t%s\n", indent, buf);
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}
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printf("%s\t}\n", indent);
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}
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if (!SIMPLEQ_EMPTY(&ra_options->ra_dnssl_list)) {
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printf("%s\tsearch {\n", indent);
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SIMPLEQ_FOREACH(ra_dnssl,
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&ra_options->ra_dnssl_list, entry)
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printf("%s\t\t%s\n", indent, ra_dnssl->search);
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printf("%s\t}\n", indent);
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}
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printf("%s}\n", indent);
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}
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SIMPLEQ_FOREACH(pref64, &ra_options->ra_pref64_list, entry) {
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printf("%snat64 prefix %s/%d {\n", indent, inet_ntop(AF_INET6,
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&pref64->prefix, buf, sizeof(buf)), pref64->prefixlen);
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printf("%s\tlifetime %u\n", indent, pref64->ltime);
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printf("%s}\n", indent);
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}
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}
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void
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print_prefix_options(const char *indent, const struct ra_prefix_conf
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*ra_prefix_conf)
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{
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printf("%svalid lifetime %u\n", indent, ra_prefix_conf->vltime);
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printf("%spreferred lifetime %u\n", indent, ra_prefix_conf->pltime);
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printf("%son-link %s\n", indent, yesno(ra_prefix_conf->lflag));
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printf("%sautonomous address-configuration %s\n", indent,
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yesno(ra_prefix_conf->aflag));
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}
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void
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print_config(struct rad_conf *conf)
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{
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struct ra_iface_conf *iface;
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struct ra_prefix_conf *prefix;
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char buf[INET6_ADDRSTRLEN];
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print_ra_options("", &conf->ra_options);
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printf("\n");
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SIMPLEQ_FOREACH(iface, &conf->ra_iface_list, entry) {
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printf("interface %s {\n", iface->name);
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print_ra_options("\t", &iface->ra_options);
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if (iface->autoprefix) {
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printf("\tauto prefix {\n");
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print_prefix_options("\t\t", iface->autoprefix);
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printf("\t}\n");
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} else
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printf("\tno auto prefix\n");
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SIMPLEQ_FOREACH(prefix, &iface->ra_prefix_list, entry) {
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printf("\tprefix %s/%d {\n", inet_ntop(AF_INET6,
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&prefix->prefix, buf, sizeof(buf)),
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prefix->prefixlen);
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print_prefix_options("\t\t", prefix);
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printf("\t}\n");
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}
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printf("}\n");
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}
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}
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