freebsd-dev/usr.bin/netstat/atalk.c

290 lines
7.8 KiB
C

/*-
* 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.
*/
#if 0
#ifndef lint
static char sccsid[] = "@(#)atalk.c 1.1 (Whistle) 6/6/96";
#endif /* not lint */
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/protosw.h>
#include <arpa/inet.h>
#include <net/route.h>
#include <netatalk/at.h>
#include <netatalk/ddp_var.h>
#include <errno.h>
#include <nlist.h>
#include <netdb.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "netstat.h"
struct ddpcb ddpcb;
struct socket sockb;
static int first = 1;
/*
* Print a summary of connections related to a Network Systems
* protocol. For XXX, also give state of connection.
* Listening processes (aflag) are suppressed unless the
* -a (all) flag is specified.
*/
static const char *
at_pr_net(struct sockaddr_at *sat, int numeric)
{
static char mybuf[50];
if (!numeric) {
switch(sat->sat_addr.s_net) {
case 0xffff:
return "????";
case ATADDR_ANYNET:
return("*");
}
}
sprintf(mybuf,"%hu",ntohs(sat->sat_addr.s_net));
return mybuf;
}
static const char *
at_pr_host(struct sockaddr_at *sat, int numeric)
{
static char mybuf[50];
if (!numeric) {
switch(sat->sat_addr.s_node) {
case ATADDR_BCAST:
return "bcast";
case ATADDR_ANYNODE:
return("*");
}
}
sprintf(mybuf,"%d",(unsigned int)sat->sat_addr.s_node);
return mybuf;
}
static const char *
at_pr_port(struct sockaddr_at *sat)
{
static char mybuf[50];
struct servent *serv;
switch(sat->sat_port) {
case ATADDR_ANYPORT:
return("*");
case 0xff:
return "????";
default:
if (numeric_port) {
(void)snprintf(mybuf, sizeof(mybuf), "%d",
(unsigned int)sat->sat_port);
} else {
serv = getservbyport(sat->sat_port, "ddp");
if (serv == NULL)
(void)snprintf(mybuf, sizeof(mybuf), "%d",
(unsigned int) sat->sat_port);
else
(void) snprintf(mybuf, sizeof(mybuf), "%s",
serv->s_name);
}
}
return mybuf;
}
static char *
at_pr_range(struct sockaddr_at *sat)
{
static char mybuf[50];
if(sat->sat_range.r_netrange.nr_firstnet
!= sat->sat_range.r_netrange.nr_lastnet) {
sprintf(mybuf,"%d-%d",
ntohs(sat->sat_range.r_netrange.nr_firstnet),
ntohs(sat->sat_range.r_netrange.nr_lastnet));
} else {
sprintf(mybuf,"%d",
ntohs(sat->sat_range.r_netrange.nr_firstnet));
}
return mybuf;
}
/* what == 0 for addr only == 3 */
/* 1 for net */
/* 2 for host */
/* 4 for port */
/* 8 for numeric only */
char *
atalk_print(struct sockaddr *sa, int what)
{
struct sockaddr_at *sat = (struct sockaddr_at *)sa;
static char mybuf[50];
int numeric = (what & 0x08);
mybuf[0] = 0;
switch (what & 0x13) {
case 0:
mybuf[0] = 0;
break;
case 1:
sprintf(mybuf,"%s",at_pr_net(sat, numeric));
break;
case 2:
sprintf(mybuf,"%s",at_pr_host(sat, numeric));
break;
case 3:
sprintf(mybuf,"%s.%s",
at_pr_net(sat, numeric),
at_pr_host(sat, numeric));
break;
case 0x10:
sprintf(mybuf,"%s", at_pr_range(sat));
}
if (what & 4) {
sprintf(mybuf+strlen(mybuf),".%s",at_pr_port(sat));
}
return mybuf;
}
char *
atalk_print2(struct sockaddr *sa, struct sockaddr *mask, int what)
{
int n;
static char buf[100];
struct sockaddr_at *sat1, *sat2;
struct sockaddr_at thesockaddr;
struct sockaddr *sa2;
sat1 = (struct sockaddr_at *)sa;
sat2 = (struct sockaddr_at *)mask;
sa2 = (struct sockaddr *)&thesockaddr;
thesockaddr.sat_addr.s_net = sat1->sat_addr.s_net & sat2->sat_addr.s_net;
snprintf(buf, sizeof(buf), "%s", atalk_print(sa2, 1 |(what & 8)));
if(sat2->sat_addr.s_net != 0xFFFF) {
thesockaddr.sat_addr.s_net = sat1->sat_addr.s_net | ~sat2->sat_addr.s_net;
n = strlen(buf);
snprintf(buf + n, sizeof(buf) - n, "-%s", atalk_print(sa2, 1 |(what & 8)));
}
if(what & 2) {
n = strlen(buf);
snprintf(buf + n, sizeof(buf) - n, ".%s", atalk_print(sa, what & (~1)));
}
return(buf);
}
void
atalkprotopr(u_long off __unused, const char *name, int af1 __unused,
int proto __unused)
{
struct ddpcb *this, *next;
if (off == 0)
return;
kread(off, (char *)&this, sizeof (struct ddpcb *));
for ( ; this != NULL; this = next) {
kread((u_long)this, (char *)&ddpcb, sizeof (ddpcb));
next = ddpcb.ddp_next;
#if 0
if (!aflag && atalk_nullhost(ddpcb.ddp_lsat) ) {
continue;
}
#endif
kread((u_long)ddpcb.ddp_socket, (char *)&sockb, sizeof (sockb));
if (first) {
printf("Active ATALK connections");
if (aflag)
printf(" (including servers)");
putchar('\n');
if (Aflag)
printf("%-8.8s ", "PCB");
printf(Aflag ?
"%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s %s\n" :
"%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s %s\n",
"Proto", "Recv-Q", "Send-Q",
"Local Address", "Foreign Address", "(state)");
first = 0;
}
if (Aflag)
printf("%8lx ", (u_long) this);
printf("%-5.5s %6u %6u ", name, sockb.so_rcv.sb_cc,
sockb.so_snd.sb_cc);
printf(Aflag?" %-18.18s":" %-22.22s", atalk_print(
(struct sockaddr *)&ddpcb.ddp_lsat,7));
printf(Aflag?" %-18.18s":" %-22.22s", atalk_print(
(struct sockaddr *)&ddpcb.ddp_fsat,7));
putchar('\n');
}
}
#define ANY(x,y,z) if (x || sflag <= 1) \
printf("\t%lu %s%s%s\n",x,y,plural(x),z)
/*
* Dump DDP statistics structure.
*/
void
ddp_stats(u_long off __unused, const char *name, int af1 __unused,
int proto __unused)
{
struct ddpstat ddpstat;
if (off == 0)
return;
kread(off, (char *)&ddpstat, sizeof (ddpstat));
printf("%s:\n", name);
ANY(ddpstat.ddps_short, "packet", " with short headers ");
ANY(ddpstat.ddps_long, "packet", " with long headers ");
ANY(ddpstat.ddps_nosum, "packet", " with no checksum ");
ANY(ddpstat.ddps_tooshort, "packet", " too short ");
ANY(ddpstat.ddps_badsum, "packet", " with bad checksum ");
ANY(ddpstat.ddps_toosmall, "packet", " with not enough data ");
ANY(ddpstat.ddps_forward, "packet", " forwarded ");
ANY(ddpstat.ddps_encap, "packet", " encapsulated ");
ANY(ddpstat.ddps_cantforward, "packet", " rcvd for unreachable dest ");
ANY(ddpstat.ddps_nosockspace, "packet", " dropped due to no socket space ");
}