1130 lines
25 KiB
C
1130 lines
25 KiB
C
/*-
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* Copyright (c) 1983, 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static char sccsid[] = "From: @(#)route.c 8.6 (Berkeley) 4/28/95";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/protosw.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/time.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_dl.h>
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#include <net/if_types.h>
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#include <net/radix.h>
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#include <net/route.h>
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#include <netinet/in.h>
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#include <netipx/ipx.h>
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#include <netatalk/at.h>
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#include <netgraph/ng_socket.h>
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#include <sys/sysctl.h>
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#include <arpa/inet.h>
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#include <libutil.h>
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#include <netdb.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include <err.h>
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#include "netstat.h"
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#define kget(p, d) (kread((u_long)(p), (char *)&(d), sizeof (d)))
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/*
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* Definitions for showing gateway flags.
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*/
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struct bits {
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u_long b_mask;
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char b_val;
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} bits[] = {
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{ RTF_UP, 'U' },
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{ RTF_GATEWAY, 'G' },
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{ RTF_HOST, 'H' },
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{ RTF_REJECT, 'R' },
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{ RTF_DYNAMIC, 'D' },
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{ RTF_MODIFIED, 'M' },
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{ RTF_DONE, 'd' }, /* Completed -- for routing messages only */
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{ RTF_XRESOLVE, 'X' },
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{ RTF_STATIC, 'S' },
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{ RTF_PROTO1, '1' },
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{ RTF_PROTO2, '2' },
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{ RTF_PRCLONING,'c' },
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{ RTF_PROTO3, '3' },
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{ RTF_BLACKHOLE,'B' },
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{ RTF_BROADCAST,'b' },
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#ifdef RTF_LLINFO
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{ RTF_LLINFO, 'L' },
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#endif
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#ifdef RTF_WASCLONED
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{ RTF_WASCLONED,'W' },
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#endif
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#ifdef RTF_CLONING
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{ RTF_CLONING, 'C' },
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#endif
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{ 0 , 0 }
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};
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typedef union {
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long dummy; /* Helps align structure. */
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struct sockaddr u_sa;
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u_short u_data[128];
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} sa_u;
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static sa_u pt_u;
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int fibnum;
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int do_rtent = 0;
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struct rtentry rtentry;
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struct radix_node rnode;
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struct radix_mask rmask;
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struct radix_node_head **rt_tables;
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int NewTree = 0;
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struct timespec uptime;
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static struct sockaddr *kgetsa(struct sockaddr *);
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static void size_cols(int ef, struct radix_node *rn);
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static void size_cols_tree(struct radix_node *rn);
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static void size_cols_rtentry(struct rtentry *rt);
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static void p_tree(struct radix_node *);
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static void p_rtnode(void);
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static void ntreestuff(void);
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static void np_rtentry(struct rt_msghdr *);
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static void p_sockaddr(struct sockaddr *, struct sockaddr *, int, int);
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static const char *fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask,
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int flags);
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static void p_flags(int, const char *);
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static const char *fmt_flags(int f);
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static void p_rtentry(struct rtentry *);
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static void domask(char *, in_addr_t, u_long);
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/*
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* Print routing tables.
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*/
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void
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routepr(u_long rtree)
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{
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struct radix_node_head **rnhp, *rnh, head;
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size_t intsize;
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int i;
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int numfibs;
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intsize = sizeof(int);
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if (sysctlbyname("net.my_fibnum", &fibnum, &intsize, NULL, 0) == -1)
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fibnum = 0;
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if (sysctlbyname("net.fibs", &numfibs, &intsize, NULL, 0) == -1)
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numfibs = 1;
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rt_tables = calloc(numfibs * (AF_MAX+1),
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sizeof(struct radix_node_head *));
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if (rt_tables == NULL)
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err(EX_OSERR, "memory allocation failed");
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/*
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* Since kernel & userland use different timebase
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* (time_uptime vs time_second) and we are reading kernel memory
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* directly we should do rt_rmx.rmx_expire --> expire_time conversion.
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*/
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if (clock_gettime(CLOCK_UPTIME, &uptime) < 0)
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err(EX_OSERR, "clock_gettime() failed");
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printf("Routing tables\n");
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if (Aflag == 0 && NewTree)
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ntreestuff();
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else {
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if (rtree == 0) {
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printf("rt_tables: symbol not in namelist\n");
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return;
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}
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if (kread((u_long)(rtree), (char *)(rt_tables), (numfibs *
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(AF_MAX+1) * sizeof(struct radix_node_head *))) != 0)
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return;
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for (i = 0; i <= AF_MAX; i++) {
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int tmpfib;
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if (i != AF_INET)
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tmpfib = 0;
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else
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tmpfib = fibnum;
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rnhp = (struct radix_node_head **)*rt_tables;
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/* Calculate the in-kernel address. */
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rnhp += tmpfib * (AF_MAX+1) + i;
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/* Read the in kernel rhn pointer. */
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if (kget(rnhp, rnh) != 0)
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continue;
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if (rnh == NULL)
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continue;
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/* Read the rnh data. */
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if (kget(rnh, head) != 0)
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continue;
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if (i == AF_UNSPEC) {
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if (Aflag && af == 0) {
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printf("Netmasks:\n");
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p_tree(head.rnh_treetop);
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}
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} else if (af == AF_UNSPEC || af == i) {
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size_cols(i, head.rnh_treetop);
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pr_family(i);
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do_rtent = 1;
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pr_rthdr(i);
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p_tree(head.rnh_treetop);
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}
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}
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}
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}
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/*
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* Print address family header before a section of the routing table.
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*/
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void
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pr_family(int af1)
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{
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const char *afname;
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switch (af1) {
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case AF_INET:
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afname = "Internet";
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break;
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#ifdef INET6
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case AF_INET6:
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afname = "Internet6";
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break;
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#endif /*INET6*/
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case AF_IPX:
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afname = "IPX";
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break;
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case AF_ISO:
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afname = "ISO";
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break;
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case AF_APPLETALK:
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afname = "AppleTalk";
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break;
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case AF_CCITT:
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afname = "X.25";
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break;
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case AF_NETGRAPH:
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afname = "Netgraph";
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break;
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default:
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afname = NULL;
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break;
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}
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if (afname)
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printf("\n%s:\n", afname);
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else
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printf("\nProtocol Family %d:\n", af1);
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}
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/* column widths; each followed by one space */
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#ifndef INET6
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#define WID_DST_DEFAULT(af) 18 /* width of destination column */
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#define WID_GW_DEFAULT(af) 18 /* width of gateway column */
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#define WID_IF_DEFAULT(af) (Wflag ? 8 : 6) /* width of netif column */
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#else
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#define WID_DST_DEFAULT(af) \
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((af) == AF_INET6 ? (numeric_addr ? 33: 18) : 18)
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#define WID_GW_DEFAULT(af) \
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((af) == AF_INET6 ? (numeric_addr ? 29 : 18) : 18)
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#define WID_IF_DEFAULT(af) ((af) == AF_INET6 ? 8 : (Wflag ? 8 : 6))
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#endif /*INET6*/
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static int wid_dst;
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static int wid_gw;
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static int wid_flags;
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static int wid_refs;
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static int wid_use;
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static int wid_mtu;
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static int wid_if;
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static int wid_expire;
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static void
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size_cols(int ef __unused, struct radix_node *rn)
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{
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wid_dst = WID_DST_DEFAULT(ef);
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wid_gw = WID_GW_DEFAULT(ef);
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wid_flags = 6;
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wid_refs = 6;
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wid_use = 8;
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wid_mtu = 6;
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wid_if = WID_IF_DEFAULT(ef);
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wid_expire = 6;
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if (Wflag)
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size_cols_tree(rn);
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}
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static void
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size_cols_tree(struct radix_node *rn)
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{
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again:
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if (kget(rn, rnode) != 0)
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return;
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if (!(rnode.rn_flags & RNF_ACTIVE))
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return;
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if (rnode.rn_bit < 0) {
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if ((rnode.rn_flags & RNF_ROOT) == 0) {
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if (kget(rn, rtentry) != 0)
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return;
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size_cols_rtentry(&rtentry);
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}
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if ((rn = rnode.rn_dupedkey))
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goto again;
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} else {
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rn = rnode.rn_right;
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size_cols_tree(rnode.rn_left);
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size_cols_tree(rn);
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}
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}
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static void
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size_cols_rtentry(struct rtentry *rt)
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{
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static struct ifnet ifnet, *lastif;
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static char buffer[100];
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const char *bp;
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struct sockaddr *sa;
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sa_u addr, mask;
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int len;
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bzero(&addr, sizeof(addr));
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if ((sa = kgetsa(rt_key(rt))))
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bcopy(sa, &addr, sa->sa_len);
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bzero(&mask, sizeof(mask));
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if (rt_mask(rt) && (sa = kgetsa(rt_mask(rt))))
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bcopy(sa, &mask, sa->sa_len);
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bp = fmt_sockaddr(&addr.u_sa, &mask.u_sa, rt->rt_flags);
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len = strlen(bp);
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wid_dst = MAX(len, wid_dst);
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bp = fmt_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST);
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len = strlen(bp);
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wid_gw = MAX(len, wid_gw);
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bp = fmt_flags(rt->rt_flags);
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len = strlen(bp);
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wid_flags = MAX(len, wid_flags);
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if (addr.u_sa.sa_family == AF_INET || Wflag) {
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len = snprintf(buffer, sizeof(buffer), "%d", rt->rt_refcnt);
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wid_refs = MAX(len, wid_refs);
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len = snprintf(buffer, sizeof(buffer), "%lu", rt->rt_use);
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wid_use = MAX(len, wid_use);
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if (Wflag && rt->rt_rmx.rmx_mtu != 0) {
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len = snprintf(buffer, sizeof(buffer),
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"%lu", rt->rt_rmx.rmx_mtu);
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wid_mtu = MAX(len, wid_mtu);
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}
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}
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if (rt->rt_ifp) {
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if (rt->rt_ifp != lastif) {
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if (kget(rt->rt_ifp, ifnet) == 0)
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len = strlen(ifnet.if_xname);
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else
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len = strlen("---");
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lastif = rt->rt_ifp;
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wid_if = MAX(len, wid_if);
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}
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if (rt->rt_rmx.rmx_expire) {
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time_t expire_time;
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if ((expire_time =
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rt->rt_rmx.rmx_expire - uptime.tv_sec) > 0) {
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len = snprintf(buffer, sizeof(buffer), "%d",
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(int)expire_time);
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wid_expire = MAX(len, wid_expire);
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}
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}
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}
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}
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|
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/*
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* Print header for routing table columns.
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*/
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void
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pr_rthdr(int af1)
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{
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if (Aflag)
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printf("%-8.8s ","Address");
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if (af1 == AF_INET || Wflag) {
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if (Wflag) {
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printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*.*s %*s\n",
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wid_dst, wid_dst, "Destination",
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wid_gw, wid_gw, "Gateway",
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wid_flags, wid_flags, "Flags",
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wid_refs, wid_refs, "Refs",
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wid_use, wid_use, "Use",
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wid_mtu, wid_mtu, "Mtu",
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wid_if, wid_if, "Netif",
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wid_expire, "Expire");
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} else {
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printf("%-*.*s %-*.*s %-*.*s %*.*s %*.*s %*.*s %*s\n",
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wid_dst, wid_dst, "Destination",
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wid_gw, wid_gw, "Gateway",
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wid_flags, wid_flags, "Flags",
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wid_refs, wid_refs, "Refs",
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wid_use, wid_use, "Use",
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wid_if, wid_if, "Netif",
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wid_expire, "Expire");
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}
|
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} else {
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printf("%-*.*s %-*.*s %-*.*s %*.*s %*s\n",
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wid_dst, wid_dst, "Destination",
|
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wid_gw, wid_gw, "Gateway",
|
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wid_flags, wid_flags, "Flags",
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wid_if, wid_if, "Netif",
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wid_expire, "Expire");
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}
|
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}
|
|
|
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static struct sockaddr *
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kgetsa(struct sockaddr *dst)
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{
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|
|
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if (kget(dst, pt_u.u_sa) != 0)
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return (NULL);
|
|
if (pt_u.u_sa.sa_len > sizeof (pt_u.u_sa))
|
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kread((u_long)dst, (char *)pt_u.u_data, pt_u.u_sa.sa_len);
|
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return (&pt_u.u_sa);
|
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}
|
|
|
|
static void
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p_tree(struct radix_node *rn)
|
|
{
|
|
|
|
again:
|
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if (kget(rn, rnode) != 0)
|
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return;
|
|
if (!(rnode.rn_flags & RNF_ACTIVE))
|
|
return;
|
|
if (rnode.rn_bit < 0) {
|
|
if (Aflag)
|
|
printf("%-8.8lx ", (u_long)rn);
|
|
if (rnode.rn_flags & RNF_ROOT) {
|
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if (Aflag)
|
|
printf("(root node)%s",
|
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rnode.rn_dupedkey ? " =>\n" : "\n");
|
|
} else if (do_rtent) {
|
|
if (kget(rn, rtentry) == 0) {
|
|
p_rtentry(&rtentry);
|
|
if (Aflag)
|
|
p_rtnode();
|
|
}
|
|
} else {
|
|
p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_key),
|
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NULL, 0, 44);
|
|
putchar('\n');
|
|
}
|
|
if ((rn = rnode.rn_dupedkey))
|
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goto again;
|
|
} else {
|
|
if (Aflag && do_rtent) {
|
|
printf("%-8.8lx ", (u_long)rn);
|
|
p_rtnode();
|
|
}
|
|
rn = rnode.rn_right;
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|
p_tree(rnode.rn_left);
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|
p_tree(rn);
|
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}
|
|
}
|
|
|
|
char nbuf[20];
|
|
|
|
static void
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|
p_rtnode(void)
|
|
{
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|
struct radix_mask *rm = rnode.rn_mklist;
|
|
|
|
if (rnode.rn_bit < 0) {
|
|
if (rnode.rn_mask) {
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printf("\t mask ");
|
|
p_sockaddr(kgetsa((struct sockaddr *)rnode.rn_mask),
|
|
NULL, 0, -1);
|
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} else if (rm == 0)
|
|
return;
|
|
} else {
|
|
sprintf(nbuf, "(%d)", rnode.rn_bit);
|
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printf("%6.6s %8.8lx : %8.8lx", nbuf, (u_long)rnode.rn_left, (u_long)rnode.rn_right);
|
|
}
|
|
while (rm) {
|
|
if (kget(rm, rmask) != 0)
|
|
break;
|
|
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(" <normal>, ");
|
|
if (kget(rmask.rm_leaf, rnode_aux) == 0)
|
|
p_sockaddr(kgetsa((struct sockaddr *)rnode_aux.rn_mask),
|
|
NULL, 0, -1);
|
|
else
|
|
p_sockaddr(NULL, 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(void)
|
|
{
|
|
size_t needed;
|
|
int mib[6];
|
|
char *buf, *next, *lim;
|
|
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) {
|
|
errx(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(struct rt_msghdr *rtm)
|
|
{
|
|
struct sockaddr *sa = (struct sockaddr *)(rtm + 1);
|
|
#ifdef notdef
|
|
static int masks_done, banner_printed;
|
|
#endif
|
|
static int old_af;
|
|
int af1 = 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;
|
|
af1 = sa->sa_family;
|
|
}
|
|
} else
|
|
#endif
|
|
af1 = sa->sa_family;
|
|
if (af1 != old_af) {
|
|
pr_family(af1);
|
|
old_af = af1;
|
|
}
|
|
if (rtm->rtm_addrs == RTA_DST)
|
|
p_sockaddr(sa, NULL, 0, 36);
|
|
else {
|
|
p_sockaddr(sa, NULL, rtm->rtm_flags, 16);
|
|
sa = (struct sockaddr *)(SA_SIZE(sa) + (char *)sa);
|
|
p_sockaddr(sa, NULL, 0, 18);
|
|
}
|
|
p_flags(rtm->rtm_flags & interesting, "%-6.6s ");
|
|
putchar('\n');
|
|
}
|
|
|
|
static void
|
|
p_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags, int width)
|
|
{
|
|
const char *cp;
|
|
|
|
cp = fmt_sockaddr(sa, mask, flags);
|
|
|
|
if (width < 0 )
|
|
printf("%s ", cp);
|
|
else {
|
|
if (numeric_addr)
|
|
printf("%-*s ", width, cp);
|
|
else
|
|
printf("%-*.*s ", width, width, cp);
|
|
}
|
|
}
|
|
|
|
static const char *
|
|
fmt_sockaddr(struct sockaddr *sa, struct sockaddr *mask, int flags)
|
|
{
|
|
static char workbuf[128];
|
|
const char *cp;
|
|
|
|
if (sa == NULL)
|
|
return ("null");
|
|
|
|
switch(sa->sa_family) {
|
|
case AF_INET:
|
|
{
|
|
struct sockaddr_in *sockin = (struct sockaddr_in *)sa;
|
|
|
|
if ((sockin->sin_addr.s_addr == INADDR_ANY) &&
|
|
mask &&
|
|
ntohl(((struct sockaddr_in *)mask)->sin_addr.s_addr)
|
|
==0L)
|
|
cp = "default" ;
|
|
else if (flags & RTF_HOST)
|
|
cp = routename(sockin->sin_addr.s_addr);
|
|
else if (mask)
|
|
cp = netname(sockin->sin_addr.s_addr,
|
|
ntohl(((struct sockaddr_in *)mask)
|
|
->sin_addr.s_addr));
|
|
else
|
|
cp = netname(sockin->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,
|
|
&((struct sockaddr_in6 *)mask)->sin6_addr);
|
|
else {
|
|
cp = netname6(sa6, NULL);
|
|
}
|
|
break;
|
|
}
|
|
#endif /*INET6*/
|
|
|
|
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:
|
|
{
|
|
strlcpy(workbuf, ((struct sockaddr_ng *)sa)->sg_data,
|
|
sizeof(workbuf));
|
|
cp = workbuf;
|
|
break;
|
|
}
|
|
|
|
case AF_LINK:
|
|
{
|
|
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);
|
|
cp = workbuf;
|
|
} else
|
|
switch (sdl->sdl_type) {
|
|
|
|
case IFT_ETHER:
|
|
case IFT_L2VLAN:
|
|
case IFT_BRIDGE:
|
|
if (sdl->sdl_alen == ETHER_ADDR_LEN) {
|
|
cp = ether_ntoa((struct ether_addr *)
|
|
(sdl->sdl_data + sdl->sdl_nlen));
|
|
break;
|
|
}
|
|
/* FALLTHROUGH */
|
|
default:
|
|
cp = link_ntoa(sdl);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
u_char *s = (u_char *)sa->sa_data, *slim;
|
|
char *cq, *cqlim;
|
|
|
|
cq = workbuf;
|
|
slim = sa->sa_len + (u_char *) sa;
|
|
cqlim = cq + sizeof(workbuf) - 6;
|
|
cq += sprintf(cq, "(%d)", sa->sa_family);
|
|
while (s < slim && cq < cqlim) {
|
|
cq += sprintf(cq, " %02x", *s++);
|
|
if (s < slim)
|
|
cq += sprintf(cq, "%02x", *s++);
|
|
}
|
|
cp = workbuf;
|
|
}
|
|
}
|
|
|
|
return (cp);
|
|
}
|
|
|
|
static void
|
|
p_flags(int f, const char *format)
|
|
{
|
|
printf(format, fmt_flags(f));
|
|
}
|
|
|
|
static const char *
|
|
fmt_flags(int f)
|
|
{
|
|
static char name[33];
|
|
char *flags;
|
|
struct bits *p = bits;
|
|
|
|
for (flags = name; p->b_mask; p++)
|
|
if (p->b_mask & f)
|
|
*flags++ = p->b_val;
|
|
*flags = '\0';
|
|
return (name);
|
|
}
|
|
|
|
static void
|
|
p_rtentry(struct rtentry *rt)
|
|
{
|
|
static struct ifnet ifnet, *lastif;
|
|
static char buffer[128];
|
|
static char prettyname[128];
|
|
struct sockaddr *sa;
|
|
sa_u addr, mask;
|
|
|
|
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);
|
|
p_sockaddr(kgetsa(rt->rt_gateway), NULL, RTF_HOST, wid_gw);
|
|
snprintf(buffer, sizeof(buffer), "%%-%d.%ds ", wid_flags, wid_flags);
|
|
p_flags(rt->rt_flags, buffer);
|
|
if (addr.u_sa.sa_family == AF_INET || Wflag) {
|
|
printf("%*d %*lu ", wid_refs, rt->rt_refcnt,
|
|
wid_use, rt->rt_use);
|
|
if (Wflag) {
|
|
if (rt->rt_rmx.rmx_mtu != 0)
|
|
printf("%*lu ", wid_mtu, rt->rt_rmx.rmx_mtu);
|
|
else
|
|
printf("%*s ", wid_mtu, "");
|
|
}
|
|
}
|
|
if (rt->rt_ifp) {
|
|
if (rt->rt_ifp != lastif) {
|
|
if (kget(rt->rt_ifp, ifnet) == 0)
|
|
strlcpy(prettyname, ifnet.if_xname,
|
|
sizeof(prettyname));
|
|
else
|
|
strlcpy(prettyname, "---", sizeof(prettyname));
|
|
lastif = rt->rt_ifp;
|
|
}
|
|
printf("%*.*s", wid_if, wid_if, prettyname);
|
|
if (rt->rt_rmx.rmx_expire) {
|
|
time_t expire_time;
|
|
|
|
if ((expire_time =
|
|
rt->rt_rmx.rmx_expire - uptime.tv_sec) > 0)
|
|
printf(" %*d", wid_expire, (int)expire_time);
|
|
}
|
|
if (rt->rt_nodes[0].rn_dupedkey)
|
|
printf(" =>");
|
|
}
|
|
putchar('\n');
|
|
}
|
|
|
|
char *
|
|
routename(in_addr_t in)
|
|
{
|
|
char *cp;
|
|
static char line[MAXHOSTNAMELEN];
|
|
struct hostent *hp;
|
|
|
|
cp = 0;
|
|
if (!numeric_addr) {
|
|
hp = gethostbyaddr(&in, sizeof (struct in_addr), AF_INET);
|
|
if (hp) {
|
|
cp = hp->h_name;
|
|
trimdomain(cp, strlen(cp));
|
|
}
|
|
}
|
|
if (cp) {
|
|
strlcpy(line, cp, sizeof(line));
|
|
} else {
|
|
#define C(x) ((x) & 0xff)
|
|
in = ntohl(in);
|
|
sprintf(line, "%u.%u.%u.%u",
|
|
C(in >> 24), C(in >> 16), C(in >> 8), C(in));
|
|
}
|
|
return (line);
|
|
}
|
|
|
|
#define NSHIFT(m) ( \
|
|
(m) == IN_CLASSA_NET ? IN_CLASSA_NSHIFT : \
|
|
(m) == IN_CLASSB_NET ? IN_CLASSB_NSHIFT : \
|
|
(m) == IN_CLASSC_NET ? IN_CLASSC_NSHIFT : \
|
|
0)
|
|
|
|
static void
|
|
domask(char *dst, in_addr_t addr __unused, u_long mask)
|
|
{
|
|
int b, i;
|
|
|
|
if (mask == 0 || (!numeric_addr && NSHIFT(mask) != 0)) {
|
|
*dst = '\0';
|
|
return;
|
|
}
|
|
i = 0;
|
|
for (b = 0; b < 32; b++)
|
|
if (mask & (1 << b)) {
|
|
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_addr_t in, u_long mask)
|
|
{
|
|
char *cp = 0;
|
|
static char line[MAXHOSTNAMELEN];
|
|
struct netent *np = 0;
|
|
in_addr_t i;
|
|
|
|
i = ntohl(in);
|
|
if (!numeric_addr && i) {
|
|
np = getnetbyaddr(i >> NSHIFT(mask), AF_INET);
|
|
if (np != NULL) {
|
|
cp = np->n_name;
|
|
trimdomain(cp, strlen(cp));
|
|
}
|
|
}
|
|
if (cp != NULL) {
|
|
strlcpy(line, cp, sizeof(line));
|
|
} else {
|
|
inet_ntop(AF_INET, &in, line, sizeof(line) - 1);
|
|
}
|
|
domask(line + strlen(line), i, mask);
|
|
return (line);
|
|
}
|
|
|
|
#undef NSHIFT
|
|
|
|
#ifdef INET6
|
|
const char *
|
|
netname6(struct sockaddr_in6 *sa6, struct in6_addr *mask)
|
|
{
|
|
static char line[MAXHOSTNAMELEN];
|
|
u_char *p = (u_char *)mask;
|
|
u_char *lim;
|
|
int masklen, illegal = 0, flag = 0;
|
|
|
|
if (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 (numeric_addr)
|
|
flag |= NI_NUMERICHOST;
|
|
getnameinfo((struct sockaddr *)sa6, sa6->sin6_len, line, sizeof(line),
|
|
NULL, 0, flag);
|
|
|
|
if (numeric_addr)
|
|
sprintf(&line[strlen(line)], "/%d", masklen);
|
|
|
|
return line;
|
|
}
|
|
|
|
char *
|
|
routename6(struct sockaddr_in6 *sa6)
|
|
{
|
|
static char line[MAXHOSTNAMELEN];
|
|
int flag = 0;
|
|
/* use local variable for safety */
|
|
struct sockaddr_in6 sa6_local;
|
|
|
|
sa6_local.sin6_family = AF_INET6;
|
|
sa6_local.sin6_len = sizeof(sa6_local);
|
|
sa6_local.sin6_addr = sa6->sin6_addr;
|
|
sa6_local.sin6_scope_id = sa6->sin6_scope_id;
|
|
|
|
if (numeric_addr)
|
|
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(u_long rtsaddr, u_long rttaddr)
|
|
{
|
|
struct rtstat rtstat;
|
|
int rttrash;
|
|
|
|
if (rtsaddr == 0) {
|
|
printf("rtstat: symbol not in namelist\n");
|
|
return;
|
|
}
|
|
if (rttaddr == 0) {
|
|
printf("rttrash: symbol not in namelist\n");
|
|
return;
|
|
}
|
|
kread(rtsaddr, (char *)&rtstat, sizeof (rtstat));
|
|
kread(rttaddr, (char *)&rttrash, sizeof (rttrash));
|
|
printf("routing:\n");
|
|
|
|
#define p(f, m) if (rtstat.f || sflag <= 1) \
|
|
printf(m, rtstat.f, plural(rtstat.f))
|
|
|
|
p(rts_badredirect, "\t%hu bad routing redirect%s\n");
|
|
p(rts_dynamic, "\t%hu dynamically created route%s\n");
|
|
p(rts_newgateway, "\t%hu new gateway%s due to redirects\n");
|
|
p(rts_unreach, "\t%hu destination%s found unreachable\n");
|
|
p(rts_wildcard, "\t%hu 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));
|
|
}
|
|
|
|
char *
|
|
ipx_print(struct sockaddr *sa)
|
|
{
|
|
u_short port;
|
|
struct servent *sp = 0;
|
|
const char *net = "", *host = "";
|
|
char *p;
|
|
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)
|
|
{
|
|
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);
|
|
}
|
|
|
|
void
|
|
upHex(char *p0)
|
|
{
|
|
char *p = p0;
|
|
|
|
for (; *p; p++)
|
|
switch (*p) {
|
|
|
|
case 'a':
|
|
case 'b':
|
|
case 'c':
|
|
case 'd':
|
|
case 'e':
|
|
case 'f':
|
|
*p += ('A' - 'a');
|
|
break;
|
|
}
|
|
}
|