1/*	$OpenBSD: output-bgpd.c,v 1.31 2024/04/08 14:02:13 tb Exp $ */
2/*
3 * Copyright (c) 2019 Kristaps Dzonsons <kristaps@bsd.lv>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#include <stdlib.h>
19
20#include "extern.h"
21
22int
23output_bgpd(FILE *out, struct vrp_tree *vrps, struct brk_tree *brks,
24    struct vap_tree *vaps, struct vsp_tree *vsps, struct stats *st)
25{
26	struct vrp	*vrp;
27	struct vap	*vap;
28	size_t		 i;
29
30	if (outputheader(out, st) < 0)
31		return -1;
32
33	if (fprintf(out, "roa-set {\n") < 0)
34		return -1;
35
36	RB_FOREACH(vrp, vrp_tree, vrps) {
37		char ipbuf[64], maxlenbuf[100];
38
39		ip_addr_print(&vrp->addr, vrp->afi, ipbuf, sizeof(ipbuf));
40		if (vrp->maxlength > vrp->addr.prefixlen) {
41			int ret = snprintf(maxlenbuf, sizeof(maxlenbuf),
42			    "maxlen %u ", vrp->maxlength);
43			if (ret < 0 || (size_t)ret > sizeof(maxlenbuf))
44				return -1;
45		} else
46			maxlenbuf[0] = '\0';
47		if (fprintf(out, "\t%s %ssource-as %u expires %lld\n",
48		    ipbuf, maxlenbuf, vrp->asid, (long long)vrp->expires) < 0)
49			return -1;
50	}
51
52	if (fprintf(out, "}\n") < 0)
53		return -1;
54
55	if (excludeaspa)
56		return 0;
57
58	if (fprintf(out, "\naspa-set {\n") < 0)
59		return -1;
60	RB_FOREACH(vap, vap_tree, vaps) {
61		if (vap->overflowed)
62			continue;
63		if (fprintf(out, "\tcustomer-as %d expires %lld "
64		    "provider-as { ", vap->custasid,
65		    (long long)vap->expires) < 0)
66			return -1;
67		for (i = 0; i < vap->providersz; i++) {
68			if (fprintf(out, "%u", vap->providers[i]) < 0)
69				return -1;
70			if (i + 1 < vap->providersz)
71				if (fprintf(out, ", ") < 0)
72					return -1;
73		}
74
75		if (fprintf(out, " }\n") < 0)
76			return -1;
77	}
78	if (fprintf(out, "}\n") < 0)
79		return -1;
80
81	return 0;
82}
83