diff options
Diffstat (limited to 'usr.bin/netstat/mroute.c')
| -rw-r--r-- | usr.bin/netstat/mroute.c | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/usr.bin/netstat/mroute.c b/usr.bin/netstat/mroute.c new file mode 100644 index 0000000..7ca5e85 --- /dev/null +++ b/usr.bin/netstat/mroute.c @@ -0,0 +1,222 @@ +/* + * Copyright (c) 1989 Stephen Deering + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Stephen Deering of Stanford University. + * + * 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. + * + * @(#)mroute.c 8.1 (Berkeley) 6/6/93 + */ + +/* + * Print DVMRP multicast routing structures and statistics. + * + * MROUTING 1.0 + */ + +#include <sys/param.h> +#include <sys/socket.h> +#include <sys/socketvar.h> +#include <sys/protosw.h> + +#include <netinet/in.h> +#include <netinet/igmp.h> +#define KERNEL 1 +#include <netinet/ip_mroute.h> +#undef KERNEL + +#include <stdio.h> +#include <stdlib.h> +#include "netstat.h" + +void +mroutepr(mrpaddr, mrtaddr, vifaddr) + u_long mrpaddr, mrtaddr, vifaddr; +{ + u_int mrtproto; + struct mrt *mrttable[MRTHASHSIZ]; + struct vif viftable[MAXVIFS]; + register struct mrt *mrt; + struct mrt smrt; + register struct vif *v; + register vifi_t vifi; + register struct in_addr *grp; + register int i, n; + register int banner_printed; + register int saved_nflag; + + if (mrpaddr == 0) { + printf("ip_mrtproto: symbol not in namelist\n"); + return; + } + + kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto)); + switch (mrtproto) { + + case 0: + printf("no multicast routing compiled into this system\n"); + return; + + case IGMP_DVMRP: + break; + + default: + printf("multicast routing protocol %u, unknown\n", mrtproto); + return; + } + + if (mrtaddr == 0) { + printf("mrttable: symbol not in namelist\n"); + return; + } + if (vifaddr == 0) { + printf("viftable: symbol not in namelist\n"); + return; + } + + saved_nflag = nflag; + nflag = 1; + + kread(vifaddr, (char *)&viftable, sizeof(viftable)); + banner_printed = 0; + for (vifi = 0, v = viftable; vifi < MAXVIFS; ++vifi, ++v) { + if (v->v_lcl_addr.s_addr == 0) + continue; + + if (!banner_printed) { + printf("\nVirtual Interface Table\n%s%s", + " Vif Threshold Local-Address ", + "Remote-Address Groups\n"); + banner_printed = 1; + } + + printf(" %2u %3u %-15.15s", + vifi, v->v_threshold, routename(v->v_lcl_addr.s_addr)); + printf(" %-15.15s\n", (v->v_flags & VIFF_TUNNEL) ? + routename(v->v_rmt_addr.s_addr) : ""); + + n = v->v_lcl_grps_n; + grp = (struct in_addr *)malloc(n * sizeof(*grp)); + if (grp == NULL) { + printf("v_lcl_grps_n: malloc failed\n"); + return; + } + kread((u_long)v->v_lcl_grps, (caddr_t)grp, n * sizeof(*grp)); + for (i = 0; i < n; ++i) + printf("%51s %-15.15s\n", + "", routename((grp++)->s_addr)); + free(grp); + } + if (!banner_printed) + printf("\nVirtual Interface Table is empty\n"); + + kread(mrtaddr, (char *)&mrttable, sizeof(mrttable)); + banner_printed = 0; + for (i = 0; i < MRTHASHSIZ; ++i) { + for (mrt = mrttable[i]; mrt != NULL; mrt = mrt->mrt_next) { + if (!banner_printed) { + printf("\nMulticast Routing Table\n%s", + " Hash Origin-Subnet In-Vif Out-Vifs\n"); + banner_printed = 1; + } + + kread((u_long)mrt, (char *)&smrt, sizeof(*mrt)); + mrt = &smrt; + printf(" %3u %-15.15s %2u ", + i, netname(mrt->mrt_origin.s_addr, + ntohl(mrt->mrt_originmask.s_addr)), + mrt->mrt_parent); + for (vifi = 0; vifi < MAXVIFS; ++vifi) + if (VIFM_ISSET(vifi, mrt->mrt_children)) + printf(" %u%c", + vifi, + VIFM_ISSET(vifi, mrt->mrt_leaves) ? + '*' : ' '); + printf("\n"); + } + } + if (!banner_printed) + printf("\nMulticast Routing Table is empty\n"); + + printf("\n"); + nflag = saved_nflag; +} + + +void +mrt_stats(mrpaddr, mstaddr) + u_long mrpaddr, mstaddr; +{ + u_int mrtproto; + struct mrtstat mrtstat; + + if(mrpaddr == 0) { + printf("ip_mrtproto: symbol not in namelist\n"); + return; + } + + kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto)); + switch (mrtproto) { + case 0: + printf("no multicast routing compiled into this system\n"); + return; + + case IGMP_DVMRP: + break; + + default: + printf("multicast routing protocol %u, unknown\n", mrtproto); + return; + } + + if (mstaddr == 0) { + printf("mrtstat: symbol not in namelist\n"); + return; + } + + kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat)); + printf("multicast routing:\n"); + printf(" %10u multicast route lookup%s\n", + mrtstat.mrts_mrt_lookups, plural(mrtstat.mrts_mrt_lookups)); + printf(" %10u multicast route cache miss%s\n", + mrtstat.mrts_mrt_misses, plurales(mrtstat.mrts_mrt_misses)); + printf(" %10u group address lookup%s\n", + mrtstat.mrts_grp_lookups, plural(mrtstat.mrts_grp_lookups)); + printf(" %10u group address cache miss%s\n", + mrtstat.mrts_grp_misses, plurales(mrtstat.mrts_grp_misses)); + printf(" %10u datagram%s with no route for origin\n", + mrtstat.mrts_no_route, plural(mrtstat.mrts_no_route)); + printf(" %10u datagram%s with malformed tunnel options\n", + mrtstat.mrts_bad_tunnel, plural(mrtstat.mrts_bad_tunnel)); + printf(" %10u datagram%s with no room for tunnel options\n", + mrtstat.mrts_cant_tunnel, plural(mrtstat.mrts_cant_tunnel)); +} |
