synchronize with latest tcpdump.org tree

This commit is contained in:
itojun 2000-12-29 02:38:23 +00:00
parent 66927d4789
commit 54e4101852

View File

@ -1,4 +1,4 @@
/* $NetBSD: print-isakmp.c,v 1.6 2000/10/04 03:53:24 itojun Exp $ */
/* $NetBSD: print-isakmp.c,v 1.7 2000/12/29 02:38:23 itojun Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -36,7 +36,7 @@ static const char rcsid[] =
"@(#) KAME Header: /cvsroot/kame/kame/kame/kame/tcpdump/print-isakmp.c,v 1.3 1999/12/01 01:41:25 itojun Exp";
#else
#include <sys/cdefs.h>
__RCSID("$NetBSD: print-isakmp.c,v 1.6 2000/10/04 03:53:24 itojun Exp $");
__RCSID("$NetBSD: print-isakmp.c,v 1.7 2000/12/29 02:38:23 itojun Exp $");
#endif
#endif
@ -46,24 +46,10 @@ __RCSID("$NetBSD: print-isakmp.c,v 1.6 2000/10/04 03:53:24 itojun Exp $");
#include <sys/time.h>
#include <sys/socket.h>
#if __STDC__
struct mbuf;
struct rtentry;
#endif
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_var.h>
#include <netinet/udp.h>
#include <netinet/udp_var.h>
#include <netinet/tcp.h>
#ifdef INET6
#include <netinet/ip6.h>
#endif
#include <stdio.h>
#include <netdb.h>
@ -75,41 +61,48 @@ struct rtentry;
#include "addrtoname.h"
#include "extract.h" /* must come after interface.h */
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#ifdef INET6
#include <netinet/ip6.h>
#endif
#ifndef HAVE_SOCKADDR_STORAGE
#define sockaddr_storage sockaddr
#endif
static u_char *isakmp_sa_print __P((struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t));
static u_char *isakmp_p_print __P((struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t));
static u_char *isakmp_t_print __P((struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t));
static u_char *isakmp_ke_print __P((struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t));
static u_char *isakmp_id_print __P((struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t));
static u_char *isakmp_cert_print __P((struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t));
static u_char *isakmp_cr_print __P((struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t));
static u_char *isakmp_sig_print __P((struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t));
static u_char *isakmp_hash_print __P((struct isakmp_gen *, u_char *,
u_int32_t, u_int32_t, u_int32_t));
static u_char *isakmp_nonce_print __P((struct isakmp_gen *, u_char *,
u_int32_t, u_int32_t, u_int32_t));
static u_char *isakmp_n_print __P((struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t));
static u_char *isakmp_d_print __P((struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t));
static u_char *isakmp_vid_print __P((struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t));
static u_char *isakmp_sub0_print __P((u_char, struct isakmp_gen *, u_char *,
u_int32_t, u_int32_t, u_int32_t));
static u_char *isakmp_sub_print __P((u_char, struct isakmp_gen *, u_char *,
u_int32_t, u_int32_t, u_int32_t));
static char *numstr __P((int));
static u_char *isakmp_sa_print(struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t);
static u_char *isakmp_p_print(struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t);
static u_char *isakmp_t_print(struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t);
static u_char *isakmp_ke_print(struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t);
static u_char *isakmp_id_print(struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t);
static u_char *isakmp_cert_print(struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t);
static u_char *isakmp_cr_print(struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t);
static u_char *isakmp_sig_print(struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t);
static u_char *isakmp_hash_print(struct isakmp_gen *, u_char *,
u_int32_t, u_int32_t, u_int32_t);
static u_char *isakmp_nonce_print(struct isakmp_gen *, u_char *,
u_int32_t, u_int32_t, u_int32_t);
static u_char *isakmp_n_print(struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t);
static u_char *isakmp_d_print(struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t);
static u_char *isakmp_vid_print(struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t);
static u_char *isakmp_sub0_print(u_char, struct isakmp_gen *, u_char *,
u_int32_t, u_int32_t, u_int32_t);
static u_char *isakmp_sub_print(u_char, struct isakmp_gen *, u_char *,
u_int32_t, u_int32_t, u_int32_t);
static char *numstr(int);
static void safememcpy(void *, void *, size_t);
#define MAXINITIATORS 20
int ninitiator = 0;
@ -131,8 +124,8 @@ static char *npstr[] = {
};
/* isakmp->np */
static u_char *(*npfunc[]) __P((struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t)) = {
static u_char *(*npfunc[])(struct isakmp_gen *, u_char *, u_int32_t,
u_int32_t, u_int32_t) = {
NULL,
isakmp_sa_print,
isakmp_p_print,
@ -431,43 +424,47 @@ static u_char *
isakmp_sa_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi0, u_int32_t proto0)
{
struct isakmp_pl_sa *p;
struct isakmp_pl_sa *p, sa;
u_int32_t *q;
u_int32_t doi;
u_int32_t sit;
u_char *cp;
u_int32_t doi, sit, ident;
u_char *cp, *np;
int t;
printf("%s:", NPSTR(ISAKMP_NPTYPE_SA));
p = (struct isakmp_pl_sa *)ext;
doi = ntohl(p->doi);
safememcpy(&sa, ext, sizeof(sa));
doi = ntohl(sa.doi);
sit = ntohl(sa.sit);
if (doi != 1) {
printf(" doi=%d", doi);
printf(" situation=%u", (u_int32_t)ntohl(p->sit));
printf(" situation=%u", (u_int32_t)ntohl(sa.sit));
return (u_char *)(p + 1);
}
printf(" doi=ipsec");
q = (u_int32_t *)&p->sit;
q = (u_int32_t *)&sa.sit;
printf(" situation=");
t = 0;
if (ntohl(*q) & 0x01) {
if (sit & 0x01) {
printf("identity");
t++;
}
if (ntohl(*q) & 0x02) {
if (sit & 0x02) {
printf("%ssecrecy", t ? "+" : "");
t++;
}
if (ntohl(*q) & 0x04)
if (sit & 0x04)
printf("%sintegrity", t ? "+" : "");
sit = htonl(*q++);
if (sit != 0x01)
printf(" ident=%u", (u_int32_t)ntohl(*q++));
np = (u_char *)ext + sizeof(sa);
if (sit != 0x01) {
safememcpy(&ident, ext + 1, sizeof(ident));
printf(" ident=%u", (u_int32_t)ntohl(ident));
np += sizeof(ident);
}
ext = (struct isakmp_gen *)q;
ext = (struct isakmp_gen *)np;
cp = isakmp_sub_print(ISAKMP_NPTYPE_P, ext, ep, phase, doi, proto0);
@ -478,23 +475,24 @@ static u_char *
isakmp_p_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi0, u_int32_t proto0)
{
struct isakmp_pl_p *p;
struct isakmp_pl_p *p, prop;
u_char *cp;
printf("%s:", NPSTR(ISAKMP_NPTYPE_P));
p = (struct isakmp_pl_p *)ext;
safememcpy(&prop, ext, sizeof(prop));
printf(" #%d protoid=%s transform=%d",
p->p_no, PROTOIDSTR(p->prot_id), p->num_t);
if (p->spi_size) {
prop.p_no, PROTOIDSTR(prop.prot_id), prop.num_t);
if (prop.spi_size) {
printf(" spi=");
rawprint((caddr_t)(p + 1), p->spi_size);
rawprint((caddr_t)(p + 1), prop.spi_size);
}
ext = (struct isakmp_gen *)((u_char *)(p + 1) + p->spi_size);
ext = (struct isakmp_gen *)((u_char *)(p + 1) + prop.spi_size);
cp = isakmp_sub_print(ISAKMP_NPTYPE_T, ext, ep, phase, doi0,
p->prot_id);
prop.prot_id);
return cp;
}
@ -559,7 +557,7 @@ static u_char *
isakmp_t_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi, u_int32_t proto)
{
struct isakmp_pl_t *p;
struct isakmp_pl_t *p, t;
u_char *cp;
char *idstr;
struct attrmap *map;
@ -569,25 +567,26 @@ isakmp_t_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
printf("%s:", NPSTR(ISAKMP_NPTYPE_T));
p = (struct isakmp_pl_t *)ext;
safememcpy(&t, ext, sizeof(t));
switch (proto) {
case 1:
idstr = STR_OR_ID(p->t_id, isakmp_p_map);
idstr = STR_OR_ID(t.t_id, isakmp_p_map);
map = oakley_t_map;
nmap = sizeof(oakley_t_map)/sizeof(oakley_t_map[0]);
break;
case 2:
idstr = STR_OR_ID(p->t_id, ah_p_map);
idstr = STR_OR_ID(t.t_id, ah_p_map);
map = ipsec_t_map;
nmap = sizeof(ipsec_t_map)/sizeof(ipsec_t_map[0]);
break;
case 3:
idstr = STR_OR_ID(p->t_id, esp_p_map);
idstr = STR_OR_ID(t.t_id, esp_p_map);
map = ipsec_t_map;
nmap = sizeof(ipsec_t_map)/sizeof(ipsec_t_map[0]);
break;
case 4:
idstr = STR_OR_ID(p->t_id, ipcomp_p_map);
idstr = STR_OR_ID(t.t_id, ipcomp_p_map);
map = ipsec_t_map;
nmap = sizeof(ipsec_t_map)/sizeof(ipsec_t_map[0]);
break;
@ -599,11 +598,11 @@ isakmp_t_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
}
if (idstr)
printf(" #%d id=%s ", p->t_no, idstr);
printf(" #%d id=%s ", t.t_no, idstr);
else
printf(" #%d id=%d ", p->t_no, p->t_id);
printf(" #%d id=%d ", t.t_no, t.t_id);
cp = (u_char *)(p + 1);
ep2 = (u_char *)p + ntohs(ext->len);
ep2 = (u_char *)p + ntohs(t.h.len);
while (cp < ep && cp < ep2) {
if (map && nmap) {
cp = isakmp_attrmap_print(cp, (ep < ep2) ? ep : ep2,
@ -620,14 +619,17 @@ static u_char *
isakmp_ke_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi, u_int32_t proto)
{
struct isakmp_gen e;
printf("%s:", NPSTR(ISAKMP_NPTYPE_KE));
printf(" key len=%d", ntohs(ext->len) - 4);
if (2 < vflag && 4 < ntohs(ext->len)) {
safememcpy(&e, ext, sizeof(e));
printf(" key len=%d", ntohs(e.len) - 4);
if (2 < vflag && 4 < ntohs(e.len)) {
printf(" ");
rawprint((caddr_t)(ext + 1), ntohs(ext->len) - 4);
rawprint((caddr_t)(ext + 1), ntohs(e.len) - 4);
}
return (u_char *)ext + ntohs(ext->len);
return (u_char *)ext + ntohs(e.len);
}
static u_char *
@ -635,7 +637,7 @@ isakmp_id_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi, u_int32_t proto)
{
#define USE_IPSECDOI_IN_PHASE1 1
struct isakmp_pl_id *p;
struct isakmp_pl_id *p, id;
static char *idtypestr[] = {
"IPv4", "IPv4net", "IPv6", "IPv6net",
};
@ -650,11 +652,12 @@ isakmp_id_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
printf("%s:", NPSTR(ISAKMP_NPTYPE_ID));
p = (struct isakmp_pl_id *)ext;
if (sizeof(*p) < ext->len)
safememcpy(&id, ext, sizeof(id));
if (sizeof(*p) < id.h.len)
data = (u_char *)(p + 1);
else
data = NULL;
len = ntohs(ext->len) - sizeof(*p);
len = ntohs(id.h.len) - sizeof(*p);
#if 0 /*debug*/
printf(" [phase=%d doi=%d proto=%d]", phase, doi, proto);
@ -664,9 +667,9 @@ isakmp_id_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
case 1:
#endif
default:
printf(" idtype=%s", STR_OR_ID(p->d.id_type, idtypestr));
printf(" idtype=%s", STR_OR_ID(id.d.id_type, idtypestr));
printf(" doi_data=%u",
(u_int32_t)(ntohl(p->d.doi_data) & 0xffffff));
(u_int32_t)(ntohl(id.d.doi_data) & 0xffffff));
break;
#ifdef USE_IPSECDOI_IN_PHASE1
@ -674,14 +677,15 @@ isakmp_id_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
#endif
case 2:
{
struct ipsecdoi_id *p;
struct ipsecdoi_id *p, id;
struct protoent *pe;
p = (struct ipsecdoi_id *)ext;
printf(" idtype=%s", STR_OR_ID(p->type, ipsecidtypestr));
if (p->proto_id) {
safememcpy(&id, ext, sizeof(id));
printf(" idtype=%s", STR_OR_ID(id.type, ipsecidtypestr));
if (id.proto_id) {
setprotoent(1);
pe = getprotobynumber(p->proto_id);
pe = getprotobynumber(id.proto_id);
if (pe)
printf(" protoid=%s", pe->p_name);
endprotoent();
@ -689,10 +693,10 @@ isakmp_id_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
/* it DOES NOT mean IPPROTO_IP! */
printf(" protoid=%s", "0");
}
printf(" port=%d", ntohs(p->port));
printf(" port=%d", ntohs(id.port));
if (!len)
break;
switch (p->type) {
switch (id.type) {
case IPSECDOI_ID_IPV4_ADDR:
printf(" len=%d %s", len, ipaddr_string(data));
len = 0;
@ -766,14 +770,14 @@ isakmp_id_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
rawprint((caddr_t)data, len);
}
}
return (u_char *)ext + ntohs(ext->len);
return (u_char *)ext + ntohs(id.h.len);
}
static u_char *
isakmp_cert_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi0, u_int32_t proto0)
{
struct isakmp_pl_cert *p;
struct isakmp_pl_cert *p, cert;
static char *certstr[] = {
"none", "pkcs7", "pgp", "dns",
"x509sign", "x509ke", "kerberos", "crl",
@ -783,20 +787,21 @@ isakmp_cert_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
printf("%s:", NPSTR(ISAKMP_NPTYPE_CERT));
p = (struct isakmp_pl_cert *)ext;
printf(" len=%d", ntohs(ext->len) - 4);
printf(" type=%s", STR_OR_ID((p->encode), certstr));
if (2 < vflag && 4 < ntohs(ext->len)) {
safememcpy(&cert, ext, sizeof(cert));
printf(" len=%d", ntohs(cert.h.len) - 4);
printf(" type=%s", STR_OR_ID((cert.encode), certstr));
if (2 < vflag && 4 < ntohs(cert.h.len)) {
printf(" ");
rawprint((caddr_t)(ext + 1), ntohs(ext->len) - 4);
rawprint((caddr_t)(ext + 1), ntohs(cert.h.len) - 4);
}
return (u_char *)ext + ntohs(ext->len);
return (u_char *)ext + ntohs(cert.h.len);
}
static u_char *
isakmp_cr_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi0, u_int32_t proto0)
{
struct isakmp_pl_cert *p;
struct isakmp_pl_cert *p, cert;
static char *certstr[] = {
"none", "pkcs7", "pgp", "dns",
"x509sign", "x509ke", "kerberos", "crl",
@ -806,62 +811,72 @@ isakmp_cr_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
printf("%s:", NPSTR(ISAKMP_NPTYPE_CR));
p = (struct isakmp_pl_cert *)ext;
printf(" len=%d", ntohs(ext->len) - 4);
printf(" type=%s", STR_OR_ID((p->encode), certstr));
if (2 < vflag && 4 < ntohs(ext->len)) {
safememcpy(&cert, ext, sizeof(cert));
printf(" len=%d", ntohs(cert.h.len) - 4);
printf(" type=%s", STR_OR_ID((cert.encode), certstr));
if (2 < vflag && 4 < ntohs(cert.h.len)) {
printf(" ");
rawprint((caddr_t)(ext + 1), ntohs(ext->len) - 4);
rawprint((caddr_t)(ext + 1), ntohs(cert.h.len) - 4);
}
return (u_char *)ext + ntohs(ext->len);
return (u_char *)ext + ntohs(cert.h.len);
}
static u_char *
isakmp_hash_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi, u_int32_t proto)
{
struct isakmp_gen e;
printf("%s:", NPSTR(ISAKMP_NPTYPE_HASH));
printf(" len=%d", ntohs(ext->len) - 4);
if (2 < vflag && 4 < ntohs(ext->len)) {
safememcpy(&e, ext, sizeof(e));
printf(" len=%d", ntohs(e.len) - 4);
if (2 < vflag && 4 < ntohs(e.len)) {
printf(" ");
rawprint((caddr_t)(ext + 1), ntohs(ext->len) - 4);
rawprint((caddr_t)(ext + 1), ntohs(e.len) - 4);
}
return (u_char *)ext + ntohs(ext->len);
return (u_char *)ext + ntohs(e.len);
}
static u_char *
isakmp_sig_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi, u_int32_t proto)
{
struct isakmp_gen e;
printf("%s:", NPSTR(ISAKMP_NPTYPE_SIG));
printf(" len=%d", ntohs(ext->len) - 4);
if (2 < vflag && 4 < ntohs(ext->len)) {
safememcpy(&e, ext, sizeof(e));
printf(" len=%d", ntohs(e.len) - 4);
if (2 < vflag && 4 < ntohs(e.len)) {
printf(" ");
rawprint((caddr_t)(ext + 1), ntohs(ext->len) - 4);
rawprint((caddr_t)(ext + 1), ntohs(e.len) - 4);
}
return (u_char *)ext + ntohs(ext->len);
return (u_char *)ext + ntohs(e.len);
}
static u_char *
isakmp_nonce_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi, u_int32_t proto)
{
struct isakmp_gen e;
printf("%s:", NPSTR(ISAKMP_NPTYPE_NONCE));
printf(" n len=%d", ntohs(ext->len) - 4);
if (2 < vflag && 4 < ntohs(ext->len)) {
safememcpy(&e, ext, sizeof(e));
printf(" n len=%d", ntohs(e.len) - 4);
if (2 < vflag && 4 < ntohs(e.len)) {
printf(" ");
rawprint((caddr_t)(ext + 1), ntohs(ext->len) - 4);
rawprint((caddr_t)(ext + 1), ntohs(e.len) - 4);
}
return (u_char *)ext + ntohs(ext->len);
return (u_char *)ext + ntohs(e.len);
}
static u_char *
isakmp_n_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi0, u_int32_t proto0)
{
struct isakmp_pl_n *p;
struct isakmp_pl_n *p, n;
u_char *cp;
u_char *ep2;
u_int32_t doi;
@ -897,42 +912,43 @@ isakmp_n_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
printf("%s:", NPSTR(ISAKMP_NPTYPE_N));
p = (struct isakmp_pl_n *)ext;
doi = ntohl(p->doi);
proto = p->prot_id;
safememcpy(&n, ext, sizeof(n));
doi = ntohl(n.doi);
proto = n.prot_id;
if (doi != 1) {
printf(" doi=%d", doi);
printf(" proto=%d", proto);
printf(" type=%s", NOTIFYSTR(ntohs(p->type)));
if (p->spi_size) {
printf(" type=%s", NOTIFYSTR(ntohs(n.type)));
if (n.spi_size) {
printf(" spi=");
rawprint((caddr_t)(p + 1), p->spi_size);
rawprint((caddr_t)(p + 1), n.spi_size);
}
return (u_char *)(p + 1) + p->spi_size;
return (u_char *)(p + 1) + n.spi_size;
}
printf(" doi=ipsec");
printf(" proto=%s", PROTOIDSTR(proto));
if (ntohs(p->type) < 8192)
printf(" type=%s", NOTIFYSTR(ntohs(p->type)));
else if (ntohs(p->type) < 16384)
printf(" type=%s", IPSECNOTIFYSTR(ntohs(p->type)));
else if (ntohs(p->type) < 24576)
printf(" type=%s", NOTIFYSTR(ntohs(p->type)));
else if (ntohs(p->type) < 40960)
printf(" type=%s", IPSECNOTIFYSTR(ntohs(p->type)));
if (ntohs(n.type) < 8192)
printf(" type=%s", NOTIFYSTR(ntohs(n.type)));
else if (ntohs(n.type) < 16384)
printf(" type=%s", IPSECNOTIFYSTR(ntohs(n.type)));
else if (ntohs(n.type) < 24576)
printf(" type=%s", NOTIFYSTR(ntohs(n.type)));
else if (ntohs(n.type) < 40960)
printf(" type=%s", IPSECNOTIFYSTR(ntohs(n.type)));
else
printf(" type=%s", NOTIFYSTR(ntohs(p->type)));
if (p->spi_size) {
printf(" type=%s", NOTIFYSTR(ntohs(n.type)));
if (n.spi_size) {
printf(" spi=");
rawprint((caddr_t)(p + 1), p->spi_size);
rawprint((caddr_t)(p + 1), n.spi_size);
}
cp = (u_char *)(p + 1) + p->spi_size;
ep2 = (u_char *)p + ntohs(ext->len);
cp = (u_char *)(p + 1) + n.spi_size;
ep2 = (u_char *)p + ntohs(n.h.len);
if (cp < ep) {
printf(" orig=(");
switch (ntohs(p->type)) {
switch (ntohs(n.type)) {
case IPSECDOI_NTYPE_RESPONDER_LIFETIME:
{
struct attrmap *map = oakley_t_map;
@ -954,19 +970,19 @@ isakmp_n_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
default:
/* NULL is dummy */
isakmp_print(cp,
ntohs(ext->len) - sizeof(*p) - p->spi_size,
ntohs(n.h.len) - sizeof(*p) - n.spi_size,
NULL);
}
printf(")");
}
return (u_char *)ext + ntohs(ext->len);
return (u_char *)ext + ntohs(n.h.len);
}
static u_char *
isakmp_d_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi0, u_int32_t proto0)
{
struct isakmp_pl_d *p;
struct isakmp_pl_d *p, d;
u_int8_t *q;
u_int32_t doi;
u_int32_t proto;
@ -975,8 +991,9 @@ isakmp_d_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
printf("%s:", NPSTR(ISAKMP_NPTYPE_D));
p = (struct isakmp_pl_d *)ext;
doi = ntohl(p->doi);
proto = p->prot_id;
safememcpy(&d, ext, sizeof(d));
doi = ntohl(d.doi);
proto = d.prot_id;
if (doi != 1) {
printf(" doi=%u", doi);
printf(" proto=%u", proto);
@ -984,15 +1001,15 @@ isakmp_d_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
printf(" doi=ipsec");
printf(" proto=%s", PROTOIDSTR(proto));
}
printf(" spilen=%u", p->spi_size);
printf(" nspi=%u", ntohs(p->num_spi));
printf(" spilen=%u", d.spi_size);
printf(" nspi=%u", ntohs(d.num_spi));
printf(" spi=");
q = (u_int8_t *)(p + 1);
for (i = 0; i < ntohs(p->num_spi); i++) {
for (i = 0; i < ntohs(d.num_spi); i++) {
if (i != 0)
printf(",");
rawprint((caddr_t)q, p->spi_size);
q += p->spi_size;
rawprint((caddr_t)q, d.spi_size);
q += d.spi_size;
}
return q;
}
@ -1001,14 +1018,17 @@ static u_char *
isakmp_vid_print(struct isakmp_gen *ext, u_char *ep, u_int32_t phase,
u_int32_t doi, u_int32_t proto)
{
struct isakmp_gen e;
printf("%s:", NPSTR(ISAKMP_NPTYPE_VID));
printf(" len=%d", ntohs(ext->len) - 4);
if (2 < vflag && 4 < ntohs(ext->len)) {
safememcpy(&e, ext, sizeof(e));
printf(" len=%d", ntohs(e.len) - 4);
if (2 < vflag && 4 < ntohs(e.len)) {
printf(" ");
rawprint((caddr_t)(ext + 1), ntohs(ext->len) - 4);
rawprint((caddr_t)(ext + 1), ntohs(e.len) - 4);
}
return (u_char *)ext + ntohs(ext->len);
return (u_char *)ext + ntohs(e.len);
}
static u_char *
@ -1016,14 +1036,16 @@ isakmp_sub0_print(u_char np, struct isakmp_gen *ext, u_char *ep,
u_int32_t phase, u_int32_t doi, u_int32_t proto)
{
u_char *cp;
struct isakmp_gen e;
cp = (u_char *)ext;
safememcpy(&e, ext, sizeof(e));
if (NPFUNC(np))
cp = (*NPFUNC(np))(ext, ep, phase, doi, proto);
else {
printf("%s", NPSTR(np));
cp += ntohs(ext->len);
cp += ntohs(e.len);
}
return cp;
}
@ -1035,11 +1057,14 @@ isakmp_sub_print(u_char np, struct isakmp_gen *ext, u_char *ep,
u_char *cp;
static int depth = 0;
int i;
struct isakmp_gen e;
cp = (u_char *)ext;
while (np) {
if (ep < (u_char *)ext + ntohs(ext->len)) {
safememcpy(&e, ext, sizeof(e));
if (ep < (u_char *)ext + ntohs(e.len)) {
printf(" [|%s]", NPSTR(np));
cp = ep + 1;
break;
@ -1053,7 +1078,7 @@ isakmp_sub_print(u_char np, struct isakmp_gen *ext, u_char *ep,
printf(")");
depth--;
np = ext->np;
np = e.np;
ext = (struct isakmp_gen *)cp;
}
return cp;
@ -1067,59 +1092,72 @@ numstr(int x)
return buf;
}
/*
* some compiler tries to optimize memcpy(), using the alignment constraint
* on the argument pointer type. by using this function, we try to avoid the
* optimization.
*/
static void
safememcpy(void *p, void *q, size_t l)
{
memcpy(p, q, l);
}
void
isakmp_print(const u_char *bp, u_int length, const u_char *bp2)
{
struct isakmp *base;
struct isakmp *p, base;
u_char *ep;
u_char np;
int i;
int phase;
int major, minor;
base = (struct isakmp *)bp;
p = (struct isakmp *)bp;
ep = (u_char *)snapend;
if ((struct isakmp *)ep < base + 1) {
if ((struct isakmp *)ep < p + 1) {
printf("[|isakmp]");
return;
}
safememcpy(&base, p, sizeof(base));
printf("isakmp");
if (vflag) {
major = (base->vers & ISAKMP_VERS_MAJOR)
major = (base.vers & ISAKMP_VERS_MAJOR)
>> ISAKMP_VERS_MAJOR_SHIFT;
minor = (base->vers & ISAKMP_VERS_MINOR)
minor = (base.vers & ISAKMP_VERS_MINOR)
>> ISAKMP_VERS_MINOR_SHIFT;
printf(" %d.%d", major, minor);
}
if (vflag) {
printf(" msgid ");
rawprint((caddr_t)&base->msgid, sizeof(base->msgid));
rawprint((caddr_t)&base.msgid, sizeof(base.msgid));
}
if (1 < vflag) {
printf(" cookie ");
rawprint((caddr_t)&base->i_ck, sizeof(base->i_ck));
rawprint((caddr_t)&base.i_ck, sizeof(base.i_ck));
printf("->");
rawprint((caddr_t)&base->r_ck, sizeof(base->r_ck));
rawprint((caddr_t)&base.r_ck, sizeof(base.r_ck));
}
printf(":");
phase = (*(u_int32_t *)base->msgid == 0) ? 1 : 2;
phase = (*(u_int32_t *)base.msgid == 0) ? 1 : 2;
if (phase == 1)
printf(" phase %d", phase);
else
printf(" phase %d/others", phase);
i = cookie_find(&base->i_ck);
i = cookie_find(&base.i_ck);
if (i < 0) {
if (iszero((u_char *)&base->r_ck, sizeof(base->r_ck))) {
if (iszero((u_char *)&base.r_ck, sizeof(base.r_ck))) {
/* the first packet */
printf(" I");
if (bp2)
cookie_record(&base->i_ck, bp2);
cookie_record(&base.i_ck, bp2);
} else
printf(" ?");
} else {
@ -1131,10 +1169,10 @@ isakmp_print(const u_char *bp, u_int length, const u_char *bp2)
printf(" ?");
}
printf(" %s", ETYPESTR(base->etype));
if (base->flags) {
printf("[%s%s]", base->flags & ISAKMP_FLAG_E ? "E" : "",
base->flags & ISAKMP_FLAG_C ? "C" : "");
printf(" %s", ETYPESTR(base.etype));
if (base.flags) {
printf("[%s%s]", base.flags & ISAKMP_FLAG_E ? "E" : "",
base.flags & ISAKMP_FLAG_C ? "C" : "");
}
printf(":");
@ -1149,28 +1187,28 @@ isakmp_print(const u_char *bp, u_int length, const u_char *bp2)
}
/* regardless of phase... */
if (base->flags & ISAKMP_FLAG_E) {
if (base.flags & ISAKMP_FLAG_E) {
/*
* encrypted, nothing we can do right now.
* we hope to decrypt the packet in the future...
*/
printf(" [|%s]", NPSTR(base->np));
printf(" [|%s]", NPSTR(base.np));
goto done;
}
nparen = 0;
CHECKLEN(base + 1, base->np)
CHECKLEN(p + 1, base.np)
np = base->np;
ext = (struct isakmp_gen *)(base + 1);
np = base.np;
ext = (struct isakmp_gen *)(p + 1);
isakmp_sub_print(np, ext, ep, phase, 0, 0);
}
done:
if (vflag) {
if (ntohl(base->len) != length) {
if (ntohl(base.len) != length) {
printf(" (len mismatch: isakmp %u/ip %d)",
(u_int32_t)ntohl(base->len), length);
(u_int32_t)ntohl(base.len), length);
}
}
}