/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.0 (the 'License'). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License." * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1983, 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint #if 0 static char sccsid[] = "From: @(#)route.c 8.6 (Berkeley) 4/28/95"; #endif static const char rcsid[] = "$Id: route.c,v 1.7 2004/10/14 22:24:09 lindak Exp $"; #endif /* not lint */ #include #include #include #include #include #include #include #include #include #include #ifndef __APPLE__ #include #include #include #endif #ifdef NS #include #endif #include #include #ifndef __APPLE__ #include #endif #include #include #include #include #include #include #include #include "netstat.h" #if 0 #define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d))) #endif /* alignment constraint for routing socket */ #define ROUNDUP(a) \ ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long)) #define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len)) /* * Definitions for showing gateway flags. */ struct bits { u_long b_mask; char b_val; } bits[] = { { RTF_UP, 'U' }, { RTF_GATEWAY, 'G' }, { RTF_HOST, 'H' }, { RTF_REJECT, 'R' }, { RTF_DYNAMIC, 'D' }, { RTF_MODIFIED, 'M' }, { RTF_DONE, 'd' }, /* Completed -- for routing messages only */ { RTF_CLONING, 'C' }, { RTF_XRESOLVE, 'X' }, { RTF_LLINFO, 'L' }, { RTF_STATIC, 'S' }, { RTF_PROTO1, '1' }, { RTF_PROTO2, '2' }, { RTF_WASCLONED,'W' }, { RTF_PRCLONING,'c' }, { RTF_PROTO3, '3' }, { RTF_BLACKHOLE,'B' }, { RTF_BROADCAST,'b' }, { 0 } }; typedef union { long dummy; /* Helps align structure. */ struct sockaddr u_sa; u_short u_data[128]; } sa_u; #if 0 static sa_u pt_u; #endif int do_rtent = 0; struct rtentry rtentry; struct radix_node rnode; struct radix_mask rmask; struct radix_node_head *rt_tables[AF_MAX+1]; #if 0 static struct sockaddr *kgetsa __P((struct sockaddr *)); static void p_tree __P((struct radix_node *)); static void p_rtnode __P((void)); static void p_rtentry __P((struct rtentry *)); #endif static void ntreestuff __P((void)); static void np_rtentry __P((struct rt_msghdr2 *)); static void p_sockaddr __P((struct sockaddr *, struct sockaddr *, int, int)); static void p_flags __P((int, char *)); static u_long forgemask __P((u_long)); static void domask __P((char *, u_long, u_long)); /* * Print routing tables. */ void routepr(u_long rtree) { #if 0 struct radix_node_head *rnh, head; int i; #endif printf("Routing tables\n"); if (dflag == 0) ntreestuff(); else { if (rtree == 0) { printf("rt_tables: symbol not in namelist\n"); return; } #if 0 kget(rtree, rt_tables); for (i = 0; i <= AF_MAX; i++) { if ((rnh = rt_tables[i]) == 0) continue; kget(rnh, head); if (i == AF_UNSPEC) { if (Aflag && af == 0) { printf("Netmasks:\n"); p_tree(head.rnh_treetop); } } else if (af == AF_UNSPEC || af == i) { pr_family(i); do_rtent = 1; pr_rthdr(i); p_tree(head.rnh_treetop); } } #endif } } /* * Print address family header before a section of the routing table. */ void pr_family(int af) { char *afname; switch (af) { case AF_INET: afname = "Internet"; break; #ifdef INET6 case AF_INET6: afname = "Internet6"; break; #endif /*INET6*/ case AF_IPX: afname = "IPX"; break; #ifdef NS case AF_NS: afname = "XNS"; break; #endif #ifndef __APPLE__ case AF_ISO: afname = "ISO"; break; case AF_APPLETALK: afname = "AppleTalk"; break; case AF_CCITT: afname = "X.25"; break; case AF_NETGRAPH: afname = "Netgraph"; break; #endif default: afname = NULL; break; } if (afname) printf("\n%s:\n", afname); else printf("\nProtocol Family %d:\n", af); } /* column widths; each followed by one space */ #ifndef INET6 #define WID_DST(af) 18 /* width of destination column */ #define WID_GW(af) 18 /* width of gateway column */ #define WID_IF(af) 6 /* width of netif column */ #else #define WID_DST(af) \ ((af) == AF_INET6 ? (lflag ? 39 : (nflag ? 39: 18)) : 18) #define WID_GW(af) \ ((af) == AF_INET6 ? (lflag ? 31 : (nflag ? 31 : 18)) : 18) #define WID_IF(af) ((af) == AF_INET6 ? 8 : 6) #endif /*INET6*/ /* * Print header for routing table columns. */ void pr_rthdr(int af) { if (Aflag) printf("%-8.8s ","Address"); if (af == AF_INET || lflag) if (lflag) printf("%-*.*s %-*.*s %-6.6s %6.6s %8.8s %6.6s %*.*s %6s\n", WID_DST(af), WID_DST(af), "Destination", WID_GW(af), WID_GW(af), "Gateway", "Flags", "Refs", "Use", "Mtu", WID_IF(af), WID_IF(af), "Netif", "Expire"); else printf("%-*.*s %-*.*s %-6.6s %6.6s %8.8s %*.*s %6s\n", WID_DST(af), WID_DST(af), "Destination", WID_GW(af), WID_GW(af), "Gateway", "Flags", "Refs", "Use", WID_IF(af), WID_IF(af), "Netif", "Expire"); else printf("%-*.*s %-*.*s %-6.6s %8.8s %6s\n", WID_DST(af), WID_DST(af), "Destination", WID_GW(af), WID_GW(af), "Gateway", "Flags", "Netif", "Expire"); } #if 0 static struct sockaddr * kgetsa(struct sockaddr *dst) { kget(dst, pt_u.u_sa); if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa)) kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len); return (&pt_u.u_sa); } static void p_tree(struct radix_node *rn) { again: kget(rn, rnode); if (rnode.rn_bit < 0) { if (Aflag) printf("%-8.8lx ", (u_long)rn); if (rnode.rn_flags & RNF_ROOT) { if (Aflag) printf("(root node)%s", rnode.rn_dupedkey ? " =>\n" : "\n"); } else if (do_rtent) { kget(rn, rtentry); p_rtentry(&rtentry); if (Aflag) p_rtnode(); } else { p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key), NULL, 0, 44); putchar('\n'); } if ((rn = rnode.rn_dupedkey)) goto again; } else { if (Aflag && do_rtent) { printf("%-8.8lx ", (u_long)rn); p_rtnode(); } rn = rnode.rn_right; p_tree(rnode.rn_left); p_tree(rn); } } char nbuf[20]; static void p_rtnode(void) { struct radix_mask *rm = rnode.rn_mklist; if (rnode.rn_bit < 0) { if (rnode.rn_mask) { printf("\t mask "); p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask), NULL, 0, -1); } else if (rm == 0) return; } else { sprintf(nbuf, "(%d)", rnode.rn_bit); printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right); } while (rm) { kget(rm, rmask); sprintf(nbuf, " %d refs, ", rmask.rm_refs); printf(" mk = %8.8lx {(%d),%s", (u_long)rm, -1 - rmask.rm_bit, rmask.rm_refs ? nbuf : " "); if (rmask.rm_flags & RNF_NORMAL) { struct radix_node rnode_aux; printf(" , "); kget(rmask.rm_leaf, rnode_aux); p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask), NULL, 0, -1); } else p_sockaddr(kgetsa((struct sockaddr *)rmask.rm_mask), NULL, 0, -1); putchar('}'); if ((rm = rmask.rm_mklist)) printf(" ->"); } putchar('\n'); } #endif static void ntreestuff(void) { size_t needed; int mib[6]; char *buf, *next, *lim; register struct rt_msghdr2 *rtm; mib[0] = CTL_NET; mib[1] = PF_ROUTE; mib[2] = 0; mib[3] = 0; mib[4] = NET_RT_DUMP2; mib[5] = 0; if (sysctl(mib, 6, NULL, &needed, NULL, 0) < 0) { err(1, "sysctl: net.route.0.0.dump estimate"); } if ((buf = malloc(needed)) == 0) { err(2, "malloc(%lu)", (unsigned long)needed); } if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) { err(1, "sysctl: net.route.0.0.dump"); } lim = buf + needed; for (next = buf; next < lim; next += rtm->rtm_msglen) { rtm = (struct rt_msghdr2 *)next; np_rtentry(rtm); } } static void get_rtaddrs(int addrs, struct sockaddr *sa, struct sockaddr **rti_info) { int i; for (i = 0; i < RTAX_MAX; i++) { if (addrs & (1 << i)) { rti_info[i] = sa; sa = (struct sockaddr *)(ROUNDUP(sa->sa_len) + (char *)sa); } else rti_info[i] = NULL; } } static void np_rtentry(struct rt_msghdr2 *rtm) { struct sockaddr *sa = (struct sockaddr *)(rtm + 1); struct sockaddr *rti_info[RTAX_MAX]; static int old_fam; int fam = 0; u_short lastindex = 0xffff; static char ifname[IFNAMSIZ + 1]; sa_u addr, mask; /* * Don't print protocol-cloned routes unless -a. */ if ((rtm->rtm_flags & RTF_WASCLONED) && (rtm->rtm_parentflags & RTF_PRCLONING) && !aflag) { return; } fam = sa->sa_family; if (af != AF_UNSPEC && af != fam) return; if (fam != old_fam) { pr_family(fam); pr_rthdr(fam); old_fam = fam; } get_rtaddrs(rtm->rtm_addrs, sa, rti_info); bzero(&addr, sizeof(addr)); if ((rtm->rtm_addrs & RTA_DST)) bcopy(rti_info[RTAX_DST], &addr, rti_info[RTAX_DST]->sa_len); bzero(&mask, sizeof(mask)); if ((rtm->rtm_addrs & RTA_NETMASK)) bcopy(rti_info[RTAX_NETMASK], &mask, rti_info[RTAX_NETMASK]->sa_len); p_sockaddr(&addr.u_sa, &mask.u_sa, rtm->rtm_flags, WID_DST(addr.u_sa.sa_family)); p_sockaddr(rti_info[RTAX_GATEWAY], NULL, RTF_HOST, WID_GW(addr.u_sa.sa_family)); p_flags(rtm->rtm_flags, "%-6.6s "); if (addr.u_sa.sa_family == AF_INET || lflag) { printf("%6u %8d ", rtm->rtm_refcnt, rtm->rtm_use); if (lflag) { if (rtm->rtm_rmx.rmx_mtu != 0) printf("%6lu ", rtm->rtm_rmx.rmx_mtu); else printf("%6s ", ""); } } if (rtm->rtm_index != lastindex) { if_indextoname(rtm->rtm_index, ifname); lastindex = rtm->rtm_index; } printf("%*.*s", WID_IF(addr.u_sa.sa_family), WID_IF(addr.u_sa.sa_family), ifname); if (rtm->rtm_rmx.rmx_expire) { time_t expire_time; if ((expire_time = rtm->rtm_rmx.rmx_expire - time((time_t *)0)) > 0) printf(" %6d", (int)expire_time); } putchar('\n'); } static void p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width) { char workbuf[128], *cplim; register char *cp = workbuf; switch(sa->sa_family) { case AF_INET: { register struct sockaddr_in *sin = (struct sockaddr_in *)sa; if ((sin->sin_addr.s_addr == INADDR_ANY) && mask && (ntohl(((struct sockaddr_in *)mask)->sin_addr.s_addr) == 0L || mask->sa_len == 0)) cp = "default" ; else if (flags & RTF_HOST) cp = routename(sin->sin_addr.s_addr); else if (mask) cp = netname(sin->sin_addr.s_addr, ntohl(((struct sockaddr_in *)mask) ->sin_addr.s_addr)); else cp = netname(sin->sin_addr.s_addr, 0L); break; } #ifdef INET6 case AF_INET6: { struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa; struct in6_addr *in6 = &sa6->sin6_addr; /* * XXX: This is a special workaround for KAME kernels. * sin6_scope_id field of SA should be set in the future. */ if (IN6_IS_ADDR_LINKLOCAL(in6) || IN6_IS_ADDR_MC_LINKLOCAL(in6)) { /* XXX: override is ok? */ sa6->sin6_scope_id = (u_int32_t)ntohs(*(u_short *)&in6->s6_addr[2]); *(u_short *)&in6->s6_addr[2] = 0; } if (flags & RTF_HOST) cp = routename6(sa6); else if (mask) cp = netname6(sa6, mask); else { cp = netname6(sa6, NULL); } break; } #endif /*INET6*/ #ifndef __APPLE__ case AF_IPX: { struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; if (ipx_nullnet(satoipx_addr(work))) cp = "default"; else cp = ipx_print(sa); break; } case AF_APPLETALK: { if (!(flags & RTF_HOST) && mask) cp = atalk_print2(sa,mask,9); else cp = atalk_print(sa,11); break; } case AF_NETGRAPH: { printf("%s", ((struct sockaddr_ng *)sa)->sg_data); break; } #endif #ifdef NS case AF_NS: cp = ns_print(sa); break; #endif case AF_LINK: { register struct sockaddr_dl *sdl = (struct sockaddr_dl *)sa; if (sdl->sdl_nlen == 0 && sdl->sdl_alen == 0 && sdl->sdl_slen == 0) (void) sprintf(workbuf, "link#%d", sdl->sdl_index); else switch (sdl->sdl_type) { case IFT_ETHER: { register int i; register u_char *lla = (u_char *)sdl->sdl_data + sdl->sdl_nlen; cplim = ""; for (i = 0; i < sdl->sdl_alen; i++, lla++) { cp += sprintf(cp, "%s%x", cplim, *lla); cplim = ":"; } cp = workbuf; break; } default: cp = link_ntoa(sdl); break; } break; } default: { register u_char *s = (u_char *)sa->sa_data, *slim; slim = sa->sa_len + (u_char *) sa; cplim = cp + sizeof(workbuf) - 6; cp += sprintf(cp, "(%d)", sa->sa_family); while (s < slim && cp < cplim) { cp += sprintf(cp, " %02x", *s++); if (s < slim) cp += sprintf(cp, "%02x", *s++); } cp = workbuf; } } if (width < 0 ) printf("%s ", cp); else { if (nflag) printf("%-*s ", width, cp); else printf("%-*.*s ", width, width, cp); } } static void p_flags(int f, char *format) { char name[33], *flags; register struct bits *p = bits; for (flags = name; p->b_mask; p++) if (p->b_mask & f) *flags++ = p->b_val; *flags = '\0'; printf(format, name); } #if 0 static void p_rtentry(struct rtentry *rt) { static struct ifnet ifnet, *lastif; struct rtentry parent; static char name[16]; static char prettyname[9]; struct sockaddr *sa; sa_u addr, mask; /* * Don't print protocol-cloned routes unless -a. */ if (rt->rt_flags & RTF_WASCLONED && !aflag) { kget(rt->rt_parent, parent); if (parent.rt_flags & RTF_PRCLONING) return; } bzero(&addr, sizeof(addr)); if ((sa = kgetsa(rt_key(rt)))) bcopy(sa, &addr, sa->sa_len); bzero(&mask, sizeof(mask)); if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt)))) bcopy(sa, &mask, sa->sa_len); p_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags, WID_DST(addr.u_sa.sa_family)); p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, WID_GW(addr.u_sa.sa_family)); p_flags(rt->rt_flags, "%-6.6s "); if (addr.u_sa.sa_family == AF_INET || lflag) { printf("%6u %8ld ", rt->rt_refcnt, rt->rt_use); if (lflag) { if (rt->rt_rmx.rmx_mtu != 0) printf("%6lu ", rt->rt_rmx.rmx_mtu); else printf("%6s ", ""); } } if (rt->rt_ifp) { if (rt->rt_ifp != lastif) { kget(rt->rt_ifp, ifnet); kread((u_long)ifnet.if_name, name, 16); lastif = rt->rt_ifp; snprintf(prettyname, sizeof prettyname, "%s%d", name, ifnet.if_unit); } printf("%*.*s", WID_IF(addr.u_sa.sa_family), WID_IF(addr.u_sa.sa_family), prettyname); if (rt->rt_rmx.rmx_expire) { time_t expire_time; if ((expire_time = rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0) printf(" %6d", (int)expire_time); } if (rt->rt_nodes[0].rn_dupedkey) printf(" =>"); } putchar('\n'); } #endif char * routename(u_long in) { register char *cp; static char line[MAXHOSTNAMELEN]; struct hostent *hp; cp = 0; if (!nflag) { hp = gethostbyaddr((char *)&in, sizeof (struct in_addr), AF_INET); if (hp) { cp = hp->h_name; //### trimdomain(cp, strlen(cp)); } } if (cp) { strncpy(line, cp, sizeof(line) - 1); line[sizeof(line) - 1] = '\0'; } else { #define C(x) ((x) & 0xff) in = ntohl(in); sprintf(line, "%lu.%lu.%lu.%lu", C(in >> 24), C(in >> 16), C(in >> 8), C(in)); } return (line); } static u_long forgemask(u_long a) { u_long m; if (IN_CLASSA(a)) m = IN_CLASSA_NET; else if (IN_CLASSB(a)) m = IN_CLASSB_NET; else m = IN_CLASSC_NET; return (m); } static void domask(char *dst, u_long addr, u_long mask) { register int b, i; if (!mask || (forgemask(addr) == mask)) { *dst = '\0'; return; } i = 0; for (b = 0; b < 32; b++) if (mask & (1 << b)) { register int bb; i = b; for (bb = b+1; bb < 32; bb++) if (!(mask & (1 << bb))) { i = -1; /* noncontig */ break; } break; } if (i == -1) sprintf(dst, "&0x%lx", mask); else sprintf(dst, "/%d", 32-i); } /* * Return the name of the network whose address is given. * The address is assumed to be that of a net or subnet, not a host. */ char * netname(u_long in, u_long mask) { char *cp = 0; static char line[MAXHOSTNAMELEN]; struct netent *np = 0; u_long net, omask, dmask; register u_long i; i = ntohl(in); dmask = forgemask(i); omask = mask; if (!nflag && i) { net = i & dmask; if (!(np = getnetbyaddr(i, AF_INET)) && net != i) np = getnetbyaddr(net, AF_INET); if (np) { cp = np->n_name; //### trimdomain(cp, strlen(cp)); } } if (cp) strncpy(line, cp, sizeof(line) - 1); else { switch (dmask) { case IN_CLASSA_NET: if ((i & IN_CLASSA_HOST) == 0) { sprintf(line, "%lu", C(i >> 24)); break; } /* FALLTHROUGH */ case IN_CLASSB_NET: if ((i & IN_CLASSB_HOST) == 0) { sprintf(line, "%lu.%lu", C(i >> 24), C(i >> 16)); break; } /* FALLTHROUGH */ case IN_CLASSC_NET: if ((i & IN_CLASSC_HOST) == 0) { sprintf(line, "%lu.%lu.%lu", C(i >> 24), C(i >> 16), C(i >> 8)); break; } /* FALLTHROUGH */ default: sprintf(line, "%lu.%lu.%lu.%lu", C(i >> 24), C(i >> 16), C(i >> 8), C(i)); break; } } domask(line+strlen(line), i, omask); return (line); } #ifdef INET6 char * netname6(struct sockaddr_in6 *sa6, struct sockaddr *sam) { static char line[MAXHOSTNAMELEN]; u_char *lim; int masklen, illegal = 0, flag = NI_WITHSCOPEID; struct in6_addr *mask = sam ? &((struct sockaddr_in6 *)sam)->sin6_addr : 0; if (sam && sam->sa_len == 0) { masklen = 0; } else if (mask) { u_char *p = (u_char *)mask; for (masklen = 0, lim = p + 16; p < lim; p++) { switch (*p) { case 0xff: masklen += 8; break; case 0xfe: masklen += 7; break; case 0xfc: masklen += 6; break; case 0xf8: masklen += 5; break; case 0xf0: masklen += 4; break; case 0xe0: masklen += 3; break; case 0xc0: masklen += 2; break; case 0x80: masklen += 1; break; case 0x00: break; default: illegal ++; break; } } if (illegal) fprintf(stderr, "illegal prefixlen\n"); } else masklen = 128; if (masklen == 0 && IN6_IS_ADDR_UNSPECIFIED(&sa6->sin6_addr)) return("default"); if (nflag) flag |= NI_NUMERICHOST; getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line), NULL, 0, flag); if (nflag) sprintf(&line[strlen(line)], "/%d", masklen); return line; } char * routename6(struct sockaddr_in6 *sa6) { static char line[MAXHOSTNAMELEN]; int flag = NI_WITHSCOPEID; /* use local variable for safety */ struct sockaddr_in6 sa6_local = {sizeof(sa6_local), AF_INET6, }; sa6_local.sin6_addr = sa6->sin6_addr; sa6_local.sin6_scope_id = sa6->sin6_scope_id; if (nflag) flag |= NI_NUMERICHOST; getnameinfo((struct sockaddr *)&sa6_local, sa6_local.sin6_len, line, sizeof(line), NULL, 0, flag); return line; } #endif /*INET6*/ /* * Print routing statistics */ void rt_stats(void) { struct rtstat rtstat; int rttrash; int mib[6]; size_t len; mib[0] = CTL_NET; mib[1] = AF_ROUTE; mib[2] = 0; mib[3] = 0; mib[4] = NET_RT_STAT; mib[5] = 0; len = sizeof(struct rtstat); if (sysctl(mib, 6, &rtstat, &len, 0, 0) == -1) return; mib[0] = CTL_NET; mib[1] = AF_ROUTE; mib[2] = 0; mib[3] = 0; mib[4] = NET_RT_TRASH; mib[5] = 0; len = sizeof(rttrash); if (sysctl(mib, 6, &rttrash, &len, 0, 0) == -1) return; printf("routing:\n"); #define p(f, m) if (rtstat.f || sflag <= 1) \ printf(m, rtstat.f, plural(rtstat.f)) p(rts_badredirect, "\t%u bad routing redirect%s\n"); p(rts_dynamic, "\t%u dynamically created route%s\n"); p(rts_newgateway, "\t%u new gateway%s due to redirects\n"); p(rts_unreach, "\t%u destination%s found unreachable\n"); p(rts_wildcard, "\t%u use%s of a wildcard route\n"); #undef p if (rttrash || sflag <= 1) printf("\t%u route%s not in table but not freed\n", rttrash, plural(rttrash)); } #ifndef __APPLE__ char * ipx_print(struct sockaddr *sa) { u_short port; struct servent *sp = 0; char *net = "", *host = ""; register char *p; register u_char *q; struct ipx_addr work = ((struct sockaddr_ipx *)sa)->sipx_addr; static char mybuf[50]; char cport[10], chost[15], cnet[15]; port = ntohs(work.x_port); if (ipx_nullnet(work) && ipx_nullhost(work)) { if (port) { if (sp) sprintf(mybuf, "*.%s", sp->s_name); else sprintf(mybuf, "*.%x", port); } else sprintf(mybuf, "*.*"); return (mybuf); } if (ipx_wildnet(work)) net = "any"; else if (ipx_nullnet(work)) net = "*"; else { q = work.x_net.c_net; sprintf(cnet, "%02x%02x%02x%02x", q[0], q[1], q[2], q[3]); for (p = cnet; *p == '0' && p < cnet + 8; p++) continue; net = p; } if (ipx_wildhost(work)) host = "any"; else if (ipx_nullhost(work)) host = "*"; else { q = work.x_host.c_host; sprintf(chost, "%02x%02x%02x%02x%02x%02x", q[0], q[1], q[2], q[3], q[4], q[5]); for (p = chost; *p == '0' && p < chost + 12; p++) continue; host = p; } if (port) { if (strcmp(host, "*") == 0) host = ""; if (sp) snprintf(cport, sizeof(cport), "%s%s", *host ? "." : "", sp->s_name); else snprintf(cport, sizeof(cport), "%s%x", *host ? "." : "", port); } else *cport = 0; snprintf(mybuf, sizeof(mybuf), "%s.%s%s", net, host, cport); return(mybuf); } char * ipx_phost(struct sockaddr *sa) { register struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)sa; struct sockaddr_ipx work; static union ipx_net ipx_zeronet; char *p; struct ipx_addr in; work = *sipx; in = work.sipx_addr; work.sipx_addr.x_port = 0; work.sipx_addr.x_net = ipx_zeronet; p = ipx_print((struct sockaddr *)&work); if (strncmp("*.", p, 2) == 0) p += 2; return(p); } #endif #ifdef NS short ns_nullh[] = {0,0,0}; short ns_bh[] = {-1,-1,-1}; char * ns_print(struct sockaddr *sa) { register struct sockaddr_ns *sns = (struct sockaddr_ns*)sa; struct ns_addr work; union { union ns_net net_e; u_long long_e; } net; u_short port; static char mybuf[50], cport[10], chost[25]; char *host = ""; register char *p; register u_char *q; work = sns->sns_addr; port = ntohs(work.x_port); work.x_port = 0; net.net_e = work.x_net; if (ns_nullhost(work) && net.long_e == 0) { if (port ) { sprintf(mybuf, "*.%xH", port); upHex(mybuf); } else sprintf(mybuf, "*.*"); return (mybuf); } if (bcmp(ns_bh, work.x_host.c_host, 6) == 0) { host = "any"; } else if (bcmp(ns_nullh, work.x_host.c_host, 6) == 0) { host = "*"; } else { q = work.x_host.c_host; sprintf(chost, "%02x%02x%02x%02x%02x%02xH", q[0], q[1], q[2], q[3], q[4], q[5]); for (p = chost; *p == '0' && p < chost + 12; p++) continue; host = p; } if (port) sprintf(cport, ".%xH", htons(port)); else *cport = 0; sprintf(mybuf,"%xH.%s%s", ntohl(net.long_e), host, cport); upHex(mybuf); return(mybuf); } char * ns_phost(struct sockaddr *sa) { register struct sockaddr_ns *sns = (struct sockaddr_ns *)sa; struct sockaddr_ns work; static union ns_net ns_zeronet; char *p; work = *sns; work.sns_addr.x_port = 0; work.sns_addr.x_net = ns_zeronet; p = ns_print((struct sockaddr *)&work); if (strncmp("0H.", p, 3) == 0) p += 3; return(p); } #endif void upHex(char *p0) { register char *p = p0; for (; *p; p++) switch (*p) { case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': *p += ('A' - 'a'); break; } }