434 lines
9.9 KiB
C
434 lines
9.9 KiB
C
/*
|
|
* Copyright (c) 1985, 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
|
|
static char copyright[] =
|
|
"@(#) Copyright (c) 1985, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)trsp.c 8.1 (Berkeley) 6/6/93";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <sys/param.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/socketvar.h>
|
|
#define PRUREQUESTS
|
|
#include <sys/protosw.h>
|
|
|
|
#include <net/route.h>
|
|
#include <net/if.h>
|
|
|
|
#define TCPSTATES
|
|
#include <netinet/tcp_fsm.h>
|
|
#define TCPTIMERS
|
|
#include <netinet/tcp_timer.h>
|
|
|
|
#include <netns/ns.h>
|
|
#include <netns/sp.h>
|
|
#include <netns/idp.h>
|
|
#include <netns/spidp.h>
|
|
#include <netns/spp_timer.h>
|
|
#include <netns/spp_var.h>
|
|
#include <netns/ns_pcb.h>
|
|
#include <netns/idp_var.h>
|
|
#define SANAMES
|
|
#include <netns/spp_debug.h>
|
|
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <nlist.h>
|
|
#include <paths.h>
|
|
|
|
unsigned long ntime;
|
|
int sflag;
|
|
int tflag;
|
|
int jflag;
|
|
int aflag;
|
|
int zflag;
|
|
int numeric();
|
|
struct nlist nl[] = {
|
|
{ "_spp_debug" },
|
|
{ "_spp_debx" },
|
|
0
|
|
};
|
|
struct spp_debug spp_debug[SPP_NDEBUG];
|
|
caddr_t spp_pcbs[SPP_NDEBUG];
|
|
int spp_debx;
|
|
|
|
main(argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
int i, mask = 0, npcbs = 0;
|
|
char *system, *core;
|
|
|
|
system = _PATH_UNIX;
|
|
core = _PATH_KMEM;
|
|
|
|
argc--, argv++;
|
|
again:
|
|
if (argc > 0 && !strcmp(*argv, "-a")) {
|
|
aflag++, argc--, argv++;
|
|
goto again;
|
|
}
|
|
if (argc > 0 && !strcmp(*argv, "-z")) {
|
|
zflag++, argc--, argv++;
|
|
goto again;
|
|
}
|
|
if (argc > 0 && !strcmp(*argv, "-s")) {
|
|
sflag++, argc--, argv++;
|
|
goto again;
|
|
}
|
|
if (argc > 0 && !strcmp(*argv, "-t")) {
|
|
tflag++, argc--, argv++;
|
|
goto again;
|
|
}
|
|
if (argc > 0 && !strcmp(*argv, "-j")) {
|
|
jflag++, argc--, argv++;
|
|
goto again;
|
|
}
|
|
if (argc > 0 && !strcmp(*argv, "-p")) {
|
|
argc--, argv++;
|
|
if (argc < 1) {
|
|
fprintf(stderr, "-p: missing sppcb address\n");
|
|
exit(1);
|
|
}
|
|
if (npcbs >= SPP_NDEBUG) {
|
|
fprintf(stderr, "-p: too many pcb's specified\n");
|
|
exit(1);
|
|
}
|
|
sscanf(*argv, "%x", &spp_pcbs[npcbs++]);
|
|
argc--, argv++;
|
|
goto again;
|
|
}
|
|
if (argc > 0) {
|
|
system = *argv;
|
|
argc--, argv++;
|
|
mask++;
|
|
/*
|
|
* Discard setgid privileges if not the running kernel so that
|
|
* bad guys can't print interesting stuff from kernel memory.
|
|
*/
|
|
setgid(getgid());
|
|
}
|
|
if (argc > 0) {
|
|
core = *argv;
|
|
argc--, argv++;
|
|
mask++;
|
|
setgid(getgid());
|
|
}
|
|
(void) nlist(system, nl);
|
|
if (nl[0].n_value == 0) {
|
|
fprintf(stderr, "trsp: %s: no namelist\n", system);
|
|
exit(1);
|
|
}
|
|
(void) close(0);
|
|
if (open(core, 0) < 0) {
|
|
fprintf(stderr, "trsp: "); perror(core);
|
|
exit(2);
|
|
}
|
|
if (mask) {
|
|
nl[0].n_value &= 0x7fffffff;
|
|
nl[1].n_value &= 0x7fffffff;
|
|
}
|
|
(void) lseek(0, nl[1].n_value, 0);
|
|
if (read(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
|
|
fprintf(stderr, "trsp: "); perror("spp_debx");
|
|
exit(3);
|
|
}
|
|
printf("spp_debx=%d\n", spp_debx);
|
|
(void) lseek(0, nl[0].n_value, 0);
|
|
if (read(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
|
|
fprintf(stderr, "trsp: "); perror("spp_debug");
|
|
exit(3);
|
|
}
|
|
/*
|
|
* Here, we just want to clear out the old trace data and start over.
|
|
*/
|
|
if (zflag) {
|
|
char *cp = (char *) spp_debug,
|
|
*cplim = cp + sizeof(spp_debug);
|
|
(void) close(0);
|
|
if (open(core, 2) < 0) {
|
|
fprintf(stderr, "trsp: "); perror(core);
|
|
exit(2);
|
|
}
|
|
while(cp < cplim) *cp++ = 0;
|
|
(void) lseek(0, nl[0].n_value, 0);
|
|
if (write(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
|
|
fprintf(stderr, "trsp: "); perror("spp_debug");
|
|
exit(3);
|
|
}
|
|
(void) lseek(0, nl[1].n_value, 0);
|
|
spp_debx = 0;
|
|
if (write(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
|
|
fprintf(stderr, "trsp: "); perror("spp_debx");
|
|
exit(3);
|
|
}
|
|
exit(0);
|
|
}
|
|
/*
|
|
* If no control blocks have been specified, figure
|
|
* out how many distinct one we have and summarize
|
|
* them in spp_pcbs for sorting the trace records
|
|
* below.
|
|
*/
|
|
if (npcbs == 0) {
|
|
for (i = 0; i < SPP_NDEBUG; i++) {
|
|
register int j;
|
|
register struct spp_debug *sd = &spp_debug[i];
|
|
|
|
if (sd->sd_cb == 0)
|
|
continue;
|
|
for (j = 0; j < npcbs; j++)
|
|
if (spp_pcbs[j] == sd->sd_cb)
|
|
break;
|
|
if (j >= npcbs)
|
|
spp_pcbs[npcbs++] = sd->sd_cb;
|
|
}
|
|
}
|
|
qsort(spp_pcbs, npcbs, sizeof (caddr_t), numeric);
|
|
if (jflag) {
|
|
char *cp = "";
|
|
|
|
for (i = 0; i < npcbs; i++) {
|
|
printf("%s%x", cp, spp_pcbs[i]);
|
|
cp = ", ";
|
|
}
|
|
if (*cp)
|
|
putchar('\n');
|
|
exit(0);
|
|
}
|
|
for (i = 0; i < npcbs; i++) {
|
|
printf("\n%x:\n", spp_pcbs[i]);
|
|
dotrace(spp_pcbs[i]);
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
dotrace(sppcb)
|
|
register caddr_t sppcb;
|
|
{
|
|
register int i;
|
|
register struct spp_debug *sd;
|
|
|
|
for (i = spp_debx % SPP_NDEBUG; i < SPP_NDEBUG; i++) {
|
|
sd = &spp_debug[i];
|
|
if (sppcb && sd->sd_cb != sppcb)
|
|
continue;
|
|
ntime = ntohl(sd->sd_time);
|
|
spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
|
|
&sd->sd_si, sd->sd_req);
|
|
}
|
|
for (i = 0; i < spp_debx % SPP_NDEBUG; i++) {
|
|
sd = &spp_debug[i];
|
|
if (sppcb && sd->sd_cb != sppcb)
|
|
continue;
|
|
ntime = ntohl(sd->sd_time);
|
|
spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
|
|
&sd->sd_si, sd->sd_req);
|
|
}
|
|
}
|
|
|
|
ptime(ms)
|
|
int ms;
|
|
{
|
|
|
|
printf("%03d ", (ms/10) % 1000);
|
|
}
|
|
|
|
numeric(c1, c2)
|
|
caddr_t *c1, *c2;
|
|
{
|
|
|
|
return (*c1 - *c2);
|
|
}
|
|
|
|
spp_trace(act, ostate, asp, sp, si, req)
|
|
short act, ostate;
|
|
struct sppcb *asp, *sp;
|
|
struct spidp *si;
|
|
int req;
|
|
{
|
|
u_short seq, ack, len, alo;
|
|
int flags, timer;
|
|
char *cp;
|
|
|
|
if(ostate >= TCP_NSTATES) ostate = 0;
|
|
if(act > SA_DROP) act = SA_DROP;
|
|
printf("\n");
|
|
ptime(ntime);
|
|
printf("%s:%s", tcpstates[ostate], sanames[act]);
|
|
|
|
if (si != 0) {
|
|
seq = si->si_seq;
|
|
ack = si->si_ack;
|
|
alo = si->si_alo;
|
|
len = si->si_len;
|
|
switch (act) {
|
|
case SA_RESPOND:
|
|
case SA_OUTPUT:
|
|
seq = ntohs(seq);
|
|
ack = ntohs(ack);
|
|
alo = ntohs(alo);
|
|
len = ntohs(len);
|
|
case SA_INPUT:
|
|
case SA_DROP:
|
|
if (aflag) {
|
|
printf("\n\tsna=");
|
|
ns_printhost(&si->si_sna);
|
|
printf("\tdna=");
|
|
ns_printhost(&si->si_dna);
|
|
}
|
|
printf("\n\t");
|
|
#define p1(name, f) { \
|
|
printf("%s = %x, ", name, f); \
|
|
}
|
|
p1("seq", seq);
|
|
p1("ack", ack);
|
|
p1("alo", alo);
|
|
p1("len", len);
|
|
flags = si->si_cc;
|
|
printf("flags=%x", flags);
|
|
#define pf(name, f) { \
|
|
if (flags & f) { \
|
|
printf("%s%s", cp, name); \
|
|
cp = ","; \
|
|
} \
|
|
}
|
|
if (flags) {
|
|
char *cp = "<";
|
|
pf("SP_SP", SP_SP);
|
|
pf("SP_SA", SP_SA);
|
|
pf("SP_OB", SP_OB);
|
|
pf("SP_EM", SP_EM);
|
|
printf(">");
|
|
}
|
|
printf(", ");
|
|
#define p2(name, f) { \
|
|
printf("%s = %x, ", name, f); \
|
|
}
|
|
p2("sid", si->si_sid);
|
|
p2("did", si->si_did);
|
|
p2("dt", si->si_dt);
|
|
printf("\n\tsna=");
|
|
ns_printhost(&si->si_sna);
|
|
printf("\tdna=");
|
|
ns_printhost(&si->si_dna);
|
|
}
|
|
}
|
|
if(act == SA_USER) {
|
|
printf("\treq=%s", prurequests[req&0xff]);
|
|
if ((req & 0xff) == PRU_SLOWTIMO)
|
|
printf("<%s>", tcptimers[req>>8]);
|
|
}
|
|
printf(" -> %s", tcpstates[sp->s_state]);
|
|
|
|
/* print out internal state of sp !?! */
|
|
printf("\n");
|
|
if (sp == 0)
|
|
return;
|
|
#define p3(name, f) { \
|
|
printf("%s = %x, ", name, f); \
|
|
}
|
|
if (sflag) {
|
|
printf("\t");
|
|
p3("rack", sp->s_rack);
|
|
p3("ralo", sp->s_ralo);
|
|
p3("smax", sp->s_smax);
|
|
p3("snxt", sp->s_snxt);
|
|
p3("flags", sp->s_flags);
|
|
#undef pf
|
|
#define pf(name, f) { \
|
|
if (flags & f) { \
|
|
printf("%s%s", cp, name); \
|
|
cp = ","; \
|
|
} \
|
|
}
|
|
flags = sp->s_flags;
|
|
if (flags || sp->s_oobflags) {
|
|
char *cp = "<";
|
|
pf("ACKNOW", SF_ACKNOW);
|
|
pf("DELACK", SF_DELACK);
|
|
pf("HI", SF_HI);
|
|
pf("HO", SF_HO);
|
|
pf("PI", SF_PI);
|
|
pf("WIN", SF_WIN);
|
|
pf("RXT", SF_RXT);
|
|
pf("RVD", SF_RVD);
|
|
flags = sp->s_oobflags;
|
|
pf("SOOB", SF_SOOB);
|
|
pf("IOOB", SF_IOOB);
|
|
printf(">");
|
|
}
|
|
}
|
|
/* print out timers? */
|
|
if (tflag) {
|
|
char *cp = "\t";
|
|
register int i;
|
|
|
|
printf("\n\tTIMERS: ");
|
|
p3("idle", sp->s_idle);
|
|
p3("force", sp->s_force);
|
|
p3("rtseq", sp->s_rtseq);
|
|
for (i = 0; i < TCPT_NTIMERS; i++) {
|
|
if (sp->s_timer[i] == 0)
|
|
continue;
|
|
printf("%s%s=%d", cp, tcptimers[i], sp->s_timer[i]);
|
|
if (i == TCPT_REXMT)
|
|
printf(" (s_rxtshft=%d)", sp->s_rxtshift);
|
|
cp = ", ";
|
|
}
|
|
if (*cp != '\t')
|
|
putchar('\n');
|
|
}
|
|
}
|
|
|
|
ns_printhost(p)
|
|
register struct ns_addr *p;
|
|
{
|
|
|
|
printf("<net:%x%x,host:%4.4x%4.4x%4.4x,port:%x>",
|
|
p->x_net.s_net[0],
|
|
p->x_net.s_net[1],
|
|
p->x_host.s_host[0],
|
|
p->x_host.s_host[1],
|
|
p->x_host.s_host[2],
|
|
p->x_port);
|
|
|
|
}
|
|
|