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 22 int 23 output_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