/*      $OpenBSD: output-bird.c,v 1.26 2025/10/30 23:18:06 job Exp $ */
/*
 * Copyright (c) 2019 Claudio Jeker <claudio@openbsd.org>
 * Copyright (c) 2020 Robert Scheck <robert@fedoraproject.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 <stdlib.h>

#include "extern.h"

int
output_bird(FILE *out, struct validation_data *vd, struct stats *st)
{
        struct vrp      *v;
        struct vap      *vap;
        size_t           i;

        if (fprintf(out, "# For BIRD %s\n#\n", excludeaspa ? "2" : "2.16+") < 0)
                return -1;

        if (outputheader(out, vd, st) < 0)
                return -1;

        if (fprintf(out, "\ndefine force_roa_table_update = %lld;\n\n"
            "roa4 table ROAS4;\nroa6 table ROAS6;\n",
            (long long)vd->buildtime) < 0)
                return -1;

        if (!excludeaspa) {
                if (fprintf(out, "aspa table ASPAS;\n") < 0)
                        return -1;
        }

        if (fprintf(out, "\nprotocol static {\n"
            "\troa4 { table ROAS4; };\n\n") < 0)
                return -1;

        RB_FOREACH(v, vrp_tree, &vd->vrps) {
                char buf[64];

                if (v->afi == AFI_IPV4) {
                        ip_addr_print(&v->addr, v->afi, buf, sizeof(buf));
                        if (fprintf(out, "\troute %s max %u as %u;\n", buf,
                            v->maxlength, v->asid) < 0)
                                return -1;
                }
        }

        if (fprintf(out, "}\n\nprotocol static {\n"
            "\troa6 { table ROAS6; };\n\n") < 0)
                return -1;

        RB_FOREACH(v, vrp_tree, &vd->vrps) {
                char buf[64];

                if (v->afi == AFI_IPV6) {
                        ip_addr_print(&v->addr, v->afi, buf, sizeof(buf));
                        if (fprintf(out, "\troute %s max %u as %u;\n", buf,
                            v->maxlength, v->asid) < 0)
                                return -1;
                }
        }

        if (fprintf(out, "}") < 0)
                return -1;

        if (excludeaspa)
                return 0;

        if (fprintf(out, "\n\nprotocol static {\n\taspa { table ASPAS; "
            "};\n\n") < 0)
                return -1;

        RB_FOREACH(vap, vap_tree, &vd->vaps) {
                if (vap->overflowed)
                        continue;
                if (fprintf(out, "\troute aspa %d providers ",
                    vap->custasid) < 0)
                        return -1;
                for (i = 0; i < vap->num_providers; i++) {
                        if (fprintf(out, "%u", vap->providers[i]) < 0)
                                return -1;
                        if (i + 1 < vap->num_providers)
                                if (fprintf(out, ", ") < 0)
                                        return -1;
                }
                if (fprintf(out, ";\n") < 0)
                        return -1;
        }

        if (fprintf(out, "}\n") < 0)
                return -1;

        return 0;
}