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- /*-
- * Copyright (c) 1988, 1991 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
- char copyright[] =
- "@(#) Copyright (c) 1988, 1991 The Regents of the University of California.\n\
- All rights reserved.\n";
- #endif /* not lint */
-
- #ifndef lint
- static char sccsid[] = "@(#)pk_dump.c 7.2 (Berkeley) 5/9/91";
- #endif /* not lint */
-
- /*
- * This is a kernel debugging aid.
- * dumps out a cache of mbufs.
- */
-
- #include <sys/param.h>
- #include <sys/mbuf.h>
- #include <sys/socket.h>
- #include <sys/socketvar.h>
- #include <net/if.h>
- #include <netccitt/x25.h>
- #include <netccitt/pk.h>
- #include <netccitt/pk_var.h>
-
- #include <errno.h>
- #include <netdb.h>
- #include <nlist.h>
- #include <kvm.h>
- #include <paths.h>
- #include <stdio.h>
- /*
- * This procedure decodes the X.25 level 3 packet returning a
- * code to be used in switchs or arrays.
- */
-
- pk_decode (xp)
- register struct x25_packet *xp;
- {
- register int type;
-
- if (xp -> fmt_identifier != 1)
- return (INVALID_PACKET);
- #ifdef ancient_history
- /*
- * Make sure that the logical channel group number is 0.
- * This restriction may be removed at some later date.
- */
- if (xp -> lc_group_number != 0)
- return (INVALID_PACKET);
- #endif
- /*
- * Test for data packet first.
- */
- if (!(xp -> packet_type & DATA_PACKET_DESIGNATOR))
- return (DATA);
-
- /*
- * Test if flow control packet (RR or RNR).
- */
- if (!(xp -> packet_type & RR_OR_RNR_PACKET_DESIGNATOR))
- switch (xp -> packet_type & 0x1f) {
- case X25_RR:
- return (RR);
- case X25_RNR:
- return (RNR);
- case X25_REJECT:
- return (REJECT);
- }
-
- /*
- * Determine the rest of the packet types.
- */
- switch (xp -> packet_type) {
- case X25_CALL:
- type = CALL;
- break;
-
- case X25_CALL_ACCEPTED:
- type = CALL_ACCEPTED;
- break;
-
- case X25_CLEAR:
- type = CLEAR;
- break;
-
- case X25_CLEAR_CONFIRM:
- type = CLEAR_CONF;
- break;
-
- case X25_INTERRUPT:
- type = INTERRUPT;
- break;
-
- case X25_INTERRUPT_CONFIRM:
- type = INTERRUPT_CONF;
- break;
-
- case X25_RESET:
- type = RESET;
- break;
-
- case X25_RESET_CONFIRM:
- type = RESET_CONF;
- break;
-
- case X25_RESTART:
- type = RESTART;
- break;
-
- case X25_RESTART_CONFIRM:
- type = RESTART_CONF;
- break;
-
- case X25_DIAGNOSTIC:
- type = DIAG_TYPE;
- break;
-
- default:
- type = INVALID_PACKET;
- }
- return (type);
- }
-
- char *pk_state[] = {
- "Listen", "Ready", "Received-Call",
- "Sent-Call", "Data-Transfer","Received-Clear",
- "Sent-Clear",
- };
-
- char *pk_name[] = {
- "Call", "Call-Conf", "Clear",
- "Clear-Conf", "Data", "Intr", "Intr-Conf",
- "Rr", "Rnr", "Reset", "Reset-Conf",
- "Restart", "Restart-Conf", "Reject", "Diagnostic",
- "Invalid"
- };
-
- int pk_lengths[] = {0, 0, 0,
- 0, 3, 5, 3,
- 3, 3, 5, 5,
- 5, 5, 5, 0,
- 0, 0};
-
- pk_trace (m, dir)
- register struct mbuf *m;
- char *dir;
- {
- register char *s;
- struct x25_packet *xp = mtod(m, struct x25_packet *);
- register int i, len = 0, cnt = 0;
-
- i = pk_decode (xp) / MAXSTATES;
- if ((len = pk_lengths[i]) || (len = m -> m_len))
- if (len > 5)
- len = 5;
-
- printf ("%s LCN=%d: %s (", dir, LCN(xp), pk_name[i]);
-
- for (s = (char *) xp, i = 0; i < len; ++i, ++s)
- printf ("%x ", (int) * s & 0xff);
- printf (")\n");
- }
-
- bprintf(fp, b, s)
- register FILE *fp;
- register int b;
- register u_char *s;
- {
- register int i;
- int gotsome = 0;
-
- if (b == 0)
- return;
- while (i = *s++) {
- if (b & (1 << (i-1))) {
- if (gotsome == 0)
- i = '<';
- else
- i = ',';
- (void) putc(i, fp);
- gotsome = 1;
- for (; (i = *s) > 32; s++)
- (void) putc(i, fp);
- } else
- while (*s > 32)
- s++;
- }
- if (gotsome)
- (void) putc('>', fp);
- }
-
- int verbose = 0; /* so you can adb -w the binary */
- int tflag = 0;
- int Iflag = 0;
- int Aflag = 0;
- char *vmunix = _PATH_UNIX;
- char *kmemf;
- struct nlist nl[] = {
- {"_pk_output_cache"},
- {"_pk_input_cache"},
- 0
- };
-
- main(argc, argv)
- int argc;
- char **argv;
- {
-
- if (kvm_openfiles(vmunix, kmemf, NULL) == -1) {
- fprintf(stderr, "netstat: kvm_openfiles: %s\n", kvm_geterr());
- exit(1);
- }
- if (kvm_nlist(nl) < 0 || nl[0].n_type == 0) {
- fprintf(stderr, "%s: no namelist\n", vmunix);
- exit(1);
- }
- mbuf_cache_dump(nl);
- mbuf_cache_dump(nl + 1);
- }
- struct mbuf_cache c;
- struct mbuf **mbvec;
- #define kget(p, d) \
- (kvm_read((void *)(p), &(d), sizeof (d)))
-
- mbuf_cache_dump(nl)
- struct nlist *nl;
- {
- register struct mbuf *m;
- unsigned cache_size;
- int i;
-
- printf("Dumping %s:\n", nl->n_name);
- kget(nl->n_value, c);
- if (cache_size = c.mbc_size * sizeof(m))
- mbvec = (struct mbuf **)malloc(cache_size);
- if (mbvec == 0 || c.mbc_cache == 0)
- return;
- kvm_read(c.mbc_cache, mbvec, cache_size);
- for (i = c.mbc_num;;) {
- if (i == 0)
- i = c.mbc_size;
- i--;
- if (m = mbvec[i])
- mbuf_dump(m);
- if (i == c.mbc_num)
- break;
- }
- }
-
-
- mbuf_dump(m)
- register struct mbuf *m;
- {
- int virgin = 1;
- register struct x25_packet *xp;
- struct mbuf n;
- char extbuf[1024];
-
- putchar('\n');
- for (; m; m = n.m_next) {
- kget(m, n);
- printf("m %x", m);
- if (n.m_flags) {
- printf(" flags ");
- bprintf(stdout, n.m_flags,
- "\1M_EXT\2M_PKTHDR\3M_EOR\4M_BCAST\5M_MCAST");
- }
- if (Aflag)
- printf(" chained %x", n.m_nextpkt);
- printf(" next %x len %d", n.m_next, n.m_len);
- if (n.m_flags & M_PKTHDR) {
- printf(" total %d", n.m_pkthdr.len);
- if (Iflag)
- printf(" rcvif %x", n.m_pkthdr.rcvif);
- }
- putchar('\n');
- if (n.m_flags & M_EXT) {
- kvm_read(n.m_ext.ext_buf, extbuf, sizeof(extbuf));
- n.m_data = extbuf + (n.m_data - n.m_ext.ext_buf);
- } else if (n.m_data < m->m_dat + MLEN)
- n.m_data = n.m_dat + (n.m_data - m->m_dat);
- else {
- printf("mbuf screwup\n");
- continue;
- }
- if (virgin) {
- virgin = 0;
- pk_trace(&n, " X.25: ");
- }
- dumpit("data: ",n.m_data, n.m_len);
- }
- }
-
- dumpit(what, where, n)
- char *what; unsigned short *where; int n;
- {
- unsigned short *s = where;
- unsigned short *z = where + (n+1)/2;
- int count = 0;
-
- if (verbose == 0)
- return;
- printf(what);
- while(s < z) {
- count++;
- printf("%x ",*s++);
- if ((count & 15) == 0)
- putchar('\n');
- }
- if (count & 15)
- putchar('\n');
- fflush(stdout);
- }
-