/*      $OpenBSD: printconf.c,v 1.8 2019/05/12 11:27:08 denis Exp $ */

/*
 * Copyright (c) 2004, 2005, 2006 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/queue.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#include <stdio.h>

#include "rip.h"
#include "ripd.h"
#include "ripe.h"

void    print_mainconf(struct ripd_conf *);
const char *print_no(u_int16_t);
void    print_redistribute(struct ripd_conf *);
void    print_iface(struct iface *);

void
print_mainconf(struct ripd_conf *conf)
{
        if (conf->flags & RIPD_FLAG_NO_FIB_UPDATE)
                printf("fib-update no\n");
        else
                printf("fib-update yes\n");

        printf("fib-priority %hhu\n", conf->fib_priority);

        print_redistribute(conf);

        if (conf->options & OPT_SPLIT_HORIZON)
                printf("split-horizon simple\n");
        else if (conf->options & OPT_SPLIT_POISONED)
                printf("split-horizon poisoned\n");
        else
                printf("split-horizon none\n");

        if (conf->options & OPT_TRIGGERED_UPDATES)
                printf("triggered-updates yes\n");
        else
                printf("triggered-updates no\n");
}

const char *
print_no(u_int16_t type)
{
        if (type & REDIST_NO)
                return ("no ");
        else
                return ("");
}

void
print_redistribute(struct ripd_conf *conf)
{
        struct redistribute     *r;

        SIMPLEQ_FOREACH(r, &conf->redist_list, entry) {
                switch (r->type & ~REDIST_NO) {
                case REDIST_STATIC:
                        printf("%sredistribute static\n", print_no(r->type));
                        break;
                case REDIST_CONNECTED:
                        printf("%sredistribute connected\n", print_no(r->type));
                        break;
                case REDIST_LABEL:
                        printf("%sredistribute rtlabel %s\n",
                            print_no(r->type), rtlabel_id2name(r->label));
                        break;
                case REDIST_DEFAULT:
                        printf("redistribute default\n");
                        break;
                case REDIST_ADDR:
                        printf("%sredistribute %s/%d\n",
                            print_no(r->type), inet_ntoa(r->addr),
                            mask2prefixlen(r->mask.s_addr));
                        break;
                }
        }
}

void
print_iface(struct iface *iface)
{
        struct auth_md  *m;

        printf("interface %s {\n", iface->name);

        if (iface->passive)
                printf("\tpassive\n");

        printf("\tcost %d\n", iface->cost);

        printf("\tauth-type %s\n", if_auth_name(iface->auth_type));
        switch (iface->auth_type) {
        case AUTH_NONE:
                break;
        case AUTH_SIMPLE:
                printf("\tauth-key XXXXXX\n");
                break;
        case AUTH_CRYPT:
                printf("\tauth-md-keyid %d\n", iface->auth_keyid);
                TAILQ_FOREACH(m, &iface->auth_md_list, entry)
                        printf("\tauth-md %d XXXXXX\n", m->keyid);
                break;
        default:
                printf("\tunknown auth type!\n");
                break;
        }

        printf("}\n\n");
}

void
print_config(struct ripd_conf *conf)
{
        struct iface    *iface;

        print_mainconf(conf);
        printf("\n");

        LIST_FOREACH(iface, &conf->iface_list, entry) {
                print_iface(iface);
        }
}