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- /*
- * 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 1.21.2.2 1997/07/30 06:52:06 charnier Exp $";
- #endif /* not lint */
-
- #include <sys/param.h>
- #include <sys/protosw.h>
- #include <sys/socket.h>
-
- #include <net/if.h>
- #include <net/if_dl.h>
- #include <net/if_types.h>
- #define KERNEL
- #include <net/route.h>
- #undef KERNEL
-
- #include <netinet/in.h>
- #include <netipx/ipx.h>
- #include <netatalk/at.h>
-
- #ifdef NS
- #include <netns/ns.h>
- #endif
-
- #include <sys/sysctl.h>
-
- #include <netdb.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- #include <err.h>
- #include <time.h>
- #include "netstat.h"
-
- #define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d)))
-
- /*
- * 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 }
- };
-
- static union {
- struct sockaddr u_sa;
- u_short u_data[128];
- } pt_u;
-
- int do_rtent = 0;
- struct rtentry rtentry;
- struct radix_node rnode;
- struct radix_mask rmask;
- struct radix_node_head *rt_tables[AF_MAX+1];
-
- int NewTree = 0;
-
- static struct sockaddr *kgetsa __P((struct sockaddr *));
- static void p_tree __P((struct radix_node *));
- static void p_rtnode __P(());
- static void ntreestuff __P(());
- static void np_rtentry __P((struct rt_msghdr *));
- static void p_sockaddr __P((struct sockaddr *, struct sockaddr *, int, int));
- static void p_flags __P((int, char *));
- static void p_rtentry __P((struct rtentry *));
-
- /*
- * Print routing tables.
- */
- void
- routepr(rtree)
- u_long rtree;
- {
- struct radix_node_head *rnh, head;
- int i;
-
- printf("Routing tables\n");
-
- if (Aflag == 0 && NewTree)
- ntreestuff();
- else {
- if (rtree == 0) {
- printf("rt_tables: symbol not in namelist\n");
- return;
- }
-
- 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();
- p_tree(head.rnh_treetop);
- }
- }
- }
- }
-
- /*
- * Print address family header before a section of the routing table.
- */
- void
- pr_family(af)
- int af;
- {
- char *afname;
-
- switch (af) {
- case AF_INET:
- afname = "Internet";
- break;
- case AF_IPX:
- afname = "IPX";
- break;
- #ifdef NS
- case AF_NS:
- afname = "XNS";
- break;
- #endif
- case AF_ISO:
- afname = "ISO";
- break;
- case AF_APPLETALK:
- afname = "AppleTalk";
- break;
- case AF_CCITT:
- afname = "X.25";
- break;
- 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 */
- #define WID_DST 18 /* width of destination column */
- #define WID_GW 18 /* width of gateway column */
-
- /*
- * Print header for routing table columns.
- */
- void
- pr_rthdr()
- {
- if (Aflag)
- printf("%-8.8s ","Address");
- printf("%-*.*s %-*.*s %-6.6s %6.6s%8.8s %8.8s %6s\n",
- WID_DST, WID_DST, "Destination",
- WID_GW, WID_GW, "Gateway",
- "Flags", "Refs", "Use", "Netif", "Expire");
- }
-
- static struct sockaddr *
- kgetsa(dst)
- register 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(rn)
- struct radix_node *rn;
- {
-
- again:
- kget(rn, rnode);
- if (rnode.rn_b < 0) {
- if (Aflag)
- printf("%-8.8x ", (int)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("%-8.8x ", (int)rn);
- p_rtnode();
- }
- rn = rnode.rn_r;
- p_tree(rnode.rn_l);
- p_tree(rn);
- }
- }
-
- char nbuf[20];
-
- static void
- p_rtnode()
- {
- struct radix_mask *rm = rnode.rn_mklist;
-
- if (rnode.rn_b < 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_b);
- printf("%6.6s %8.8x : %8.8x", nbuf, (int)rnode.rn_l, (int)rnode.rn_r);
- }
- while (rm) {
- kget(rm, rmask);
- sprintf(nbuf, " %d refs, ", rmask.rm_refs);
- printf(" mk = %8.8x {(%d),%s",
- (int)rm, -1 - rmask.rm_b, rmask.rm_refs ? nbuf : " ");
- if (rmask.rm_flags & RNF_NORMAL) {
- struct radix_node rnode_aux;
- printf(" <normal>, ");
- 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');
- }
-
- static void
- ntreestuff()
- {
- size_t needed;
- int mib[6];
- char *buf, *next, *lim;
- register struct rt_msghdr *rtm;
-
- mib[0] = CTL_NET;
- mib[1] = PF_ROUTE;
- mib[2] = 0;
- mib[3] = 0;
- mib[4] = NET_RT_DUMP;
- 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_msghdr *)next;
- np_rtentry(rtm);
- }
- }
-
- static void
- np_rtentry(rtm)
- register struct rt_msghdr *rtm;
- {
- register struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
- #ifdef notdef
- static int masks_done, banner_printed;
- #endif
- static int old_af;
- int af = 0, interesting = RTF_UP | RTF_GATEWAY | RTF_HOST;
-
- #ifdef notdef
- /* for the moment, netmasks are skipped over */
- if (!banner_printed) {
- printf("Netmasks:\n");
- banner_printed = 1;
- }
- if (masks_done == 0) {
- if (rtm->rtm_addrs != RTA_DST ) {
- masks_done = 1;
- af = sa->sa_family;
- }
- } else
- #endif
- af = sa->sa_family;
- if (af != old_af) {
- pr_family(af);
- old_af = af;
- }
- if (rtm->rtm_addrs == RTA_DST)
- p_sockaddr(sa, NULL, 0, 36);
- else {
- p_sockaddr(sa, NULL, rtm->rtm_flags, 16);
- if (sa->sa_len == 0)
- sa->sa_len = sizeof(long);
- sa = (struct sockaddr *)(sa->sa_len + (char *)sa);
- p_sockaddr(sa, NULL, 0, 18);
- }
- p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
- putchar('\n');
- }
-
- static void
- p_sockaddr(sa, mask, flags, width)
- struct sockaddr *sa, *mask;
- int flags, 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)
- 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;
- }
-
- 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;
- }
- #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(f, format)
- register 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);
- }
-
- static void
- p_rtentry(rt)
- register struct rtentry *rt;
- {
- static struct ifnet ifnet, *lastif;
- static char name[16];
- static char prettyname[9];
- struct sockaddr *sa;
- struct sockaddr addr, mask;
-
- /*
- * Don't print protocol-cloned routes unless -a.
- */
- if(rt->rt_parent && !aflag)
- return;
-
- if (!(sa = kgetsa(rt_key(rt))))
- bzero(&addr, sizeof addr);
- else
- addr = *sa;
- if (!rt_mask(rt) || !(sa = kgetsa(rt_mask(rt))))
- bzero(&mask, sizeof mask);
- else
- mask = *sa;
- p_sockaddr(&addr, &mask, rt->rt_flags, WID_DST);
- p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, WID_GW);
- p_flags(rt->rt_flags, "%-6.6s ");
- printf("%6d %8ld ", rt->rt_refcnt, rt->rt_use);
- 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,
- "%.6s%d", name, ifnet.if_unit);
- }
- if(rt->rt_rmx.rmx_expire) {
- time_t expire_time;
-
- if ((expire_time
- =rt->rt_rmx.rmx_expire - time((time_t *)0)) > 0)
- printf(" %8.8s %6d%s", prettyname,
- (int)expire_time,
- rt->rt_nodes[0].rn_dupedkey ? " =>" : "");
- } else {
- printf(" %8.8s%s", prettyname,
- rt->rt_nodes[0].rn_dupedkey ? " =>" : "");
- }
-
- }
- putchar('\n');
- }
-
- char *
- routename(in)
- u_long in;
- {
- register char *cp;
- static char line[MAXHOSTNAMELEN + 1];
- 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);
- }
- }
- if (cp)
- strncpy(line, cp, sizeof(line) - 1);
- 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(a)
- 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(dst, addr, mask)
- char *dst;
- u_long addr, 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(in, mask)
- u_long in, mask;
- {
- char *cp = 0;
- static char line[MAXHOSTNAMELEN + 1];
- struct netent *np = 0;
- u_long net, omask;
- register u_long i;
- int subnetshift;
-
- i = ntohl(in);
- omask = mask;
- if (!nflag && i) {
- if (mask == 0) {
- switch (mask = forgemask(i)) {
- case IN_CLASSA_NET:
- subnetshift = 8;
- break;
- case IN_CLASSB_NET:
- subnetshift = 8;
- break;
- case IN_CLASSC_NET:
- subnetshift = 4;
- break;
- default:
- abort();
- }
- /*
- * If there are more bits than the standard mask
- * would suggest, subnets must be in use.
- * Guess at the subnet mask, assuming reasonable
- * width subnet fields.
- */
- while (i &~ mask)
- mask = (long)mask >> subnetshift;
- }
- net = i & mask;
- while ((mask & 1) == 0)
- mask >>= 1, net >>= 1;
- if (!(np = getnetbyaddr(i, AF_INET)))
- np = getnetbyaddr(net, AF_INET);
- if (np) {
- cp = np->n_name;
- trimdomain(cp);
- }
- }
- if (cp)
- strncpy(line, cp, sizeof(line) - 1);
- else if ((i & 0xffffff) == 0)
- sprintf(line, "%lu", C(i >> 24));
- else if ((i & 0xffff) == 0)
- sprintf(line, "%lu.%lu", C(i >> 24) , C(i >> 16));
- else if ((i & 0xff) == 0)
- sprintf(line, "%lu.%lu.%lu", C(i >> 24), C(i >> 16), C(i >> 8));
- else
- sprintf(line, "%lu.%lu.%lu.%lu", C(i >> 24),
- C(i >> 16), C(i >> 8), C(i));
- domask(line+strlen(line), i, omask);
- return (line);
- }
-
- /*
- * Print routing statistics
- */
- void
- rt_stats(off)
- u_long off;
- {
- struct rtstat rtstat;
-
- if (off == 0) {
- printf("rtstat: symbol not in namelist\n");
- return;
- }
- kread(off, (char *)&rtstat, sizeof (rtstat));
- printf("routing:\n");
- printf("\t%u bad routing redirect%s\n",
- rtstat.rts_badredirect, plural(rtstat.rts_badredirect));
- printf("\t%u dynamically created route%s\n",
- rtstat.rts_dynamic, plural(rtstat.rts_dynamic));
- printf("\t%u new gateway%s due to redirects\n",
- rtstat.rts_newgateway, plural(rtstat.rts_newgateway));
- printf("\t%u destination%s found unreachable\n",
- rtstat.rts_unreach, plural(rtstat.rts_unreach));
- printf("\t%u use%s of a wildcard route\n",
- rtstat.rts_wildcard, plural(rtstat.rts_wildcard));
- }
-
- char *
- ipx_print(sa)
- register 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) sprintf(cport, "%s%s", *host ? "." : "", sp->s_name);
- else sprintf(cport, "%s%x", *host ? "." : "", port);
- } else
- *cport = 0;
-
- sprintf(mybuf,"%s.%s%s", net, host, cport);
- return(mybuf);
- }
-
- char *
- ipx_phost(sa)
- 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);
- }
-
- #ifdef NS
- short ns_nullh[] = {0,0,0};
- short ns_bh[] = {-1,-1,-1};
-
- char *
- ns_print(sa)
- register 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(sa)
- 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(p0)
- 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');
- }
- }
-