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freebsd-skq/sys/netkey/key_debug.c
wollman 845782b7e0 This is the `netkey' kernel key-management service (the PF_KEY analogue 
to PF_ROUTE) from NRL's IPv6 distribution, heavily modified by me for
better source layout, formatting, and textual conventions.  I am told
that this code is no longer under active development, but it's a useful
hack for those interested in doing work on network security, key management,
etc.  This code has only been tested twice, so it should be considered
highly experimental.

Obtained from: ftp.ripe.net
1996-06-14 17:22:18 +00:00

731 lines
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C
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/*
* in6_debug.c -- Insipired by Craig Metz's Net/2 in6_debug.c, but
* not quite as heavyweight (initially, anyway).
*
* The idea is to have globals here, and dump netinet6/ data structures.
*
* Copyright 1995 by Dan McDonald, Bao Phan, and Randall Atkinson,
* All Rights Reserved.
* All Rights under this copyright have been assigned to NRL.
*/
/*----------------------------------------------------------------------
# @(#)COPYRIGHT 1.1a (NRL) 17 August 1995
COPYRIGHT NOTICE
All of the documentation and software included in this software
distribution from the US Naval Research Laboratory (NRL) are
copyrighted by their respective developers.
This software and documentation were developed at NRL by various
people. Those developers have each copyrighted the portions that they
developed at NRL and have assigned All Rights for those portions to
NRL. Outside the USA, NRL also has copyright on the software
developed at NRL. The affected files all contain specific copyright
notices and those notices must be retained in any derived work.
NRL LICENSE
NRL grants permission for redistribution and use in source and binary
forms, with or without modification, of the software and documentation
created at NRL 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 at the Information
Technology Division, US Naval Research Laboratory.
4. Neither the name of the NRL nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THE SOFTWARE PROVIDED BY NRL IS PROVIDED BY NRL 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 NRL 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.
The views and conclusions contained in the software and documentation
are those of the authors and should not be interpreted as representing
official policies, either expressed or implied, of the US Naval
Research Laboratory (NRL).
----------------------------------------------------------------------*/
#define INET6_DEBUG_C
#include <netkey/osdep_44bsd.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/mbuf.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/route.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/in_pcb.h>
#ifdef INET6
#include <netinet6/in6.h>
#include <netinet6/in6_var.h>
#include <netinet6/ipv6.h>
#include <netinet6/ipv6_var.h>
#include <netinet6/ipv6_icmp.h>
#else /* INET6 */
#if 0
#include "in6_types.h"
#endif
#endif /* INET6 */
#define SA_LEN 1
#define SIN_LEN 1
#ifdef KEY_DEBUG
#include <netkey/key.h>
#endif /* KEY_DEBUG */
#ifdef IPSEC_DEBUG
#include <netsec/ipsec.h>
#endif /* IPSEC_DEBUG */
#if 0
#include <netinet6/in6_debug.h>
#endif
#ifndef DEFARGS
#define DEFARGS(arglist, args) arglist args;
#define AND ;
#endif /* DEFARGS */
/*
* Globals
*/
/* The following should be sysctl-tweakable. */
unsigned int in6_debug_level = IDL_FINISHED + 1; /* 0 is no debugging */
/*
* Functions and macros.
*/
void in6_debug_init DEFARGS((), void)
{
/* For now, nothing. */
}
/*----------------------------------------------------------------------
* dump_* dumps various data structures. These should be called within
* the context of a DDO() macro. They assume address and port fields
* are in network order.
----------------------------------------------------------------------*/
#ifdef INET6
/*----------------------------------------------------------------------
* Dump an IPv6 address. Don't compress 0's out because of debugging.
----------------------------------------------------------------------*/
void dump_in_addr6 DEFARGS((in_addr6),
struct in_addr6 *in_addr6)
{
u_short *shorts = (u_short *)in_addr6;
int i = 0;
if (!in_addr6) {
printf("Dereference a NULL in_addr6? I don't think so.\n");
return;
}
printf("(conv. for printing) ");
while (i < 7)
printf("%4x:",htons(shorts[i++]));
printf("%4x\n",htons(shorts[7]));
}
#endif /* INET6 */
/*----------------------------------------------------------------------
* Dump and IPv4 address in x.x.x.x form.
----------------------------------------------------------------------*/
void dump_in_addr DEFARGS((in_addr),
struct in_addr *in_addr)
{
u_char *chars = (u_char *)in_addr;
int i = 0;
if (!in_addr) {
printf("Dereference a NULL in_addr? I don't think so.\n");
return;
}
while (i < 3)
printf("%d.",chars[i++]);
printf("%d\n",chars[3]);
}
#ifdef INET6
/*----------------------------------------------------------------------
* Dump an IPv6 socket address.
----------------------------------------------------------------------*/
void dump_sockaddr_in6 DEFARGS((sin6),
struct sockaddr_in6 *sin6)
{
if (!sin6) {
printf("Dereference a NULL sockaddr_in6? I don't think so.\n");
return;
}
printf("sin6_len = %d, sin6_family = %d, sin6_port = %d (0x%x)\n",
sin6->sin6_len,sin6->sin6_family, htons(sin6->sin6_port),
htons(sin6->sin6_port));
printf("sin6_flowinfo = 0x%x\n",sin6->sin6_flowinfo);
printf("sin6_addr = ");
dump_in_addr6(&sin6->sin6_addr);
}
#endif /* INET6 */
/*----------------------------------------------------------------------
* Dump an IPv4 socket address.
----------------------------------------------------------------------*/
void dump_sockaddr_in DEFARGS((sin),
struct sockaddr_in *sin)
{
int i;
if (!sin) {
printf("Dereference a NULL sockaddr_in? I don't think so.\n");
return;
}
#ifdef SIN_LEN
printf("sin_len = %d, ", sin->sin_len);
#endif /* SIN_LEN */
printf("sin_family = %d, sin_port (conv.) = %d (0x%x)\n",
sin->sin_family, htons(sin->sin_port),
htons(sin->sin_port));
printf("sin_addr = ");
dump_in_addr(&sin->sin_addr);
printf("sin_zero == ");
for(i=0;i<8;i++)
printf("0x%2x ",sin->sin_zero[i]);
printf("\n");
}
/*----------------------------------------------------------------------
* Dump a generic socket address. Use if no family-specific routine is
* available.
----------------------------------------------------------------------*/
void dump_sockaddr DEFARGS((sa),
SOCKADDR *sa)
{
if (!sa) {
printf("Dereference a NULL sockaddr? I don't think so.\n");
return;
}
#ifdef SA_LEN
printf("sa_len = %d, ", sa->sa_len);
#endif /* SA_LEN */
printf("sa_family = %d", sa->sa_family);
#ifdef SA_LEN
printf(", remaining bytes are:\n");
{
int i;
for (i = 0; i <sa->sa_len - 2; i++)
printf("0x%2x ",(unsigned char)sa->sa_data[i]);
}
#endif /* SA_LEN */
printf("\n");
}
/*----------------------------------------------------------------------
* Dump a link-layer socket address. (Not that there are user-level link
* layer sockets, but there are plenty of link-layer addresses in the kernel.)
----------------------------------------------------------------------*/
void dump_sockaddr_dl DEFARGS((sdl),
struct sockaddr_dl *sdl)
{
char buf[256];
if (!sdl) {
printf("Dereference a NULL sockaddr_dl? I don't think so.\n");
return;
}
printf("sdl_len = %d, sdl_family = %d, sdl_index = %d, sdl_type = %d,\n",
sdl->sdl_len, sdl->sdl_family, sdl->sdl_index, sdl->sdl_type);
buf[sdl->sdl_nlen] = 0;
if (sdl->sdl_nlen)
bcopy(sdl->sdl_data,buf,sdl->sdl_nlen);
printf("sdl_nlen = %d, (name = '%s'\n",sdl->sdl_nlen,buf);
printf("sdl_alen = %d, ",sdl->sdl_alen);
if (sdl->sdl_alen)
{
int i;
printf("(addr = ");
for (i = 0; i<sdl->sdl_alen; i++)
printf("0x%2x ",(unsigned char)sdl->sdl_data[i+sdl->sdl_nlen]);
}
printf("\n");
printf("sdl_slen = %d, ",sdl->sdl_slen);
if (sdl->sdl_slen)
{
int i;
printf("(addr = ");
for (i = 0; i<sdl->sdl_slen; i++)
printf("0x%2x ",
(unsigned char)sdl->sdl_data[i+sdl->sdl_nlen+sdl->sdl_alen]);
}
printf("\n");
}
/*----------------------------------------------------------------------
* Dump a socket address, calling a family-specific routine if available.
----------------------------------------------------------------------*/
void dump_smart_sockaddr DEFARGS((sa),
SOCKADDR *sa)
{
DPRINTF(IDL_MAJOR_EVENT, ("Entering dump_smart_sockaddr\n"));
if (!sa) {
printf("Dereference a NULL sockaddr? I don't think so.\n");
return;
}
switch (sa->sa_family)
{
#ifdef INET6
case AF_INET6:
dump_sockaddr_in6((struct sockaddr_in6 *)sa);
break;
#endif /* INET6 */
case AF_INET:
dump_sockaddr_in((struct sockaddr_in *)sa);
break;
case AF_LINK:
dump_sockaddr_dl((struct sockaddr_dl *)sa);
break;
default:
dump_sockaddr(sa);
break;
}
}
#ifdef INET6
/*----------------------------------------------------------------------
* Dump an IPv6 header.
----------------------------------------------------------------------*/
void dump_ipv6 DEFARGS((ipv6),
struct ipv6 *ipv6)
{
if (!ipv6) {
printf("Dereference a NULL ipv6? I don't think so.\n");
return;
}
printf("Vers & flow label (conv to host order) 0x%x\n",
htonl(ipv6->ipv6_versfl));
printf("Length (conv) = %d, nexthdr = %d, hoplimit = %d.\n",
htons(ipv6->ipv6_length),ipv6->ipv6_nexthdr,ipv6->ipv6_hoplimit);
printf("Src: ");
dump_in_addr6(&ipv6->ipv6_src);
printf("Dst: ");
dump_in_addr6(&ipv6->ipv6_dst);
}
/*----------------------------------------------------------------------
* Dump an ICMPv6 header. This function is not very smart beyond the
* type, code, and checksum.
----------------------------------------------------------------------*/
dump_ipv6_icmp DEFARGS((icp),
struct ipv6_icmp *icp)
{
int i;
if (!icp) {
printf("Dereference a NULL ipv6_icmp? I don't think so.\n");
return;
}
printf("type %d, code %d, cksum (conv) = 0x%x\n",icp->icmp_type,
icp->icmp_code,htons(icp->icmp_cksum));
printf("First four bytes: 0x%x",htonl(icp->icmp_unused));
printf("Next four bytes: 0x");
for (i=0;i<4;i++)
printf("%x",icp->icmp_echodata[i]);
printf("\n");
}
#endif /* INET6 */
/*----------------------------------------------------------------------
* Dump only the header fields of a single mbuf.
----------------------------------------------------------------------*/
void dump_mbuf_hdr DEFARGS((m),
struct mbuf *m)
{
if (!m) {
printf("Dereference a NULL mbuf? I don't think so.\n");
return;
}
printf("Single mbuf at %08x\n", m);
printf("m_len = %d, m_data = 0x%x, m_type = %d\n",m->m_len,
m->m_data, m->m_type);
printf("m_flags = 0x%x ",m->m_flags);
if (m->m_flags & M_PKTHDR)
printf("m_pkthdr.len = %d, m_pkthdr.rcvif = 0x%x",m->m_pkthdr.len,
m->m_pkthdr.rcvif);
if (m->m_flags & M_EXT)
printf(" (IS CLUSTER MBUF)");
printf("\nm_next = 0x%x m_nextpkt = 0x%x\n",m->m_next, m->m_nextpkt);
}
/*----------------------------------------------------------------------
* Dump the entire contents of a single mbuf.
----------------------------------------------------------------------*/
void dump_mbuf DEFARGS((m),
struct mbuf *m)
{
int i;
dump_mbuf_hdr(m);
printf("m_data:\n");
for (i = 0; i < m->m_len; i++)
printf("0x%2x%s",(unsigned char)m->m_data[i] , ((i+1) % 16)?" ":"\n");
printf((i % 16)?"\n":"");
}
/*----------------------------------------------------------------------
* Dump the contents of an mbuf chain. (WARNING: Lots of text may
* result.
----------------------------------------------------------------------*/
void dump_mchain DEFARGS((m),
struct mbuf *m)
{
struct mbuf *walker;
int i;
for (walker = m, i = 0; walker != NULL && (i < 10);
walker = walker->m_next, i++)
dump_mbuf(walker);
}
/*----------------------------------------------------------------------
* Dump an mbuf chain's data in a format similar to tcpdump(8).
----------------------------------------------------------------------*/
void dump_tcpdump DEFARGS((m),
struct mbuf *m)
{
struct mbuf *walker;
int i, j, count;
for (i = count = 0; m && (i < 10); m = m->m_next, i++) {
for (j = 0; j < m->m_len; j++, count++) {
if (!(count % (2 * 8)))
printf("\n\t\t\t");
if (!(count % 2))
printf(" ");
printf("%02x", (u_int8)(m->m_data[j]));
}
}
}
#ifdef INET6
/*----------------------------------------------------------------------
* Dump an IPv6 header index table, which is terminated by an entry with
* a NULL mbuf pointer.
----------------------------------------------------------------------*/
void dump_ihitab DEFARGS((ihi),
struct in6_hdrindex *ihi)
{
int i=0;
if (!ihi) {
printf("Dereference a NULL hdrindex/ihi? I don't think so.\n");
return;
}
/* This is dangerous, make sure ihitab was bzeroed. */
while (ihi[i].ihi_mbuf)
{
printf("ihi_nexthdr = %d, ihi_mbuf = 0x%x.\n",ihi[i].ihi_nexthdr,
ihi[i].ihi_mbuf);
i++;
}
}
#endif /* INET6 */
/*----------------------------------------------------------------------
* Dump an interface address.
----------------------------------------------------------------------*/
void dump_ifa DEFARGS((ifa),
struct ifaddr *ifa)
{
if (ifa == NULL)
{
printf("ifa of NULL.\n");
return;
}
printf("ifa_addr: ");
dump_smart_sockaddr(ifa->ifa_addr);
printf("ifa_netmask: ");
dump_smart_sockaddr(ifa->ifa_netmask);
}
/*----------------------------------------------------------------------
* Dump an interface structure.
----------------------------------------------------------------------*/
void dump_ifp DEFARGS((ifp),
struct ifnet *ifp)
{
if (!ifp) {
printf("Dereference a NULL ifnet/ifp? I don't think so.\n");
return;
}
printf("Interface name: %s.\n",ifp->if_name);
printf("Interface type: %d. ",ifp->if_type);
printf("MTU: %d.\n",ifp->if_mtu);
}
/*----------------------------------------------------------------------
* Dump a route structure (sockaddr/rtentry pair).
----------------------------------------------------------------------*/
void dump_route DEFARGS((ro),
struct route *ro)
{
if (!ro) {
printf("Dereference a NULL route? I don't think so.\n");
return;
}
printf("ro_rt = 0x%x, ro_dst is:\n",ro->ro_rt);
dump_smart_sockaddr(&ro->ro_dst);
}
/*----------------------------------------------------------------------
* Dump a routing entry.
----------------------------------------------------------------------*/
void dump_rtentry DEFARGS((rt),
struct rtentry *rt)
{
if (!rt) {
printf("Dereference a NULL rtentry? I don't think so.\n");
return;
}
printf("rt_key is:\n");
dump_smart_sockaddr(rt_key(rt));
printf("rt_mask is:\n");
dump_smart_sockaddr(rt_mask(rt));
printf("rt_llinfo = 0x%x ",rt->rt_llinfo);
printf("rt_rmx.rmx_mtu = %d ",rt->rt_rmx.rmx_mtu);
printf("rt_refcnt = %d ",rt->rt_refcnt);
printf("rt_flags = 0x%x\n",rt->rt_flags);
printf("rt_ifp is:\n");
dump_ifp(rt->rt_ifp);
printf("rt_ifa is:\n");
dump_ifa(rt->rt_ifa);
}
/*----------------------------------------------------------------------
* Dump an Internet (v4/v6) protocol control block.
----------------------------------------------------------------------*/
void dump_inpcb DEFARGS((inp),
struct inpcb *inp)
{
if (!inp) {
printf("Dereference a NULL inpcb? I don't think so.\n");
return;
}
printf("inp_next = 0x%x, inp_prev = 0x%x, inp_head = 0x%x.\n",inp->inp_next,
inp->inp_prev, inp->inp_head);
printf("inp_socket = 0x%x, inp_ppcb\n",inp->inp_socket,inp->inp_ppcb);
#ifdef INET6
printf("faddr, faddr6:\n");
dump_in_addr(&inp->inp_faddr); dump_in_addr6(&inp->inp_faddr6);
printf("laddr, laddr6:\n");
dump_in_addr(&inp->inp_laddr); dump_in_addr6(&inp->inp_laddr6);
#else /* INET6 */
printf("faddr:\n");
dump_in_addr(&inp->inp_faddr);
printf("laddr:\n");
dump_in_addr(&inp->inp_laddr);
#endif /* INET6 */
printf("inp_route: ");
dump_route(&inp->inp_route);
#ifdef INET6
printf("inp_ipv6:");
dump_ipv6(&inp->inp_ipv6);
#endif /* INET6 */
printf("inp_ip:");
printf("<Coming soon.>\n");
printf("inp_options = 0x%x, inp_moptions{6,} = 0x%x,\n",inp->inp_options,
inp->inp_moptions);
printf("inp_flags = 0x%x, inp_fport = %d, inp_lport = %d.\n",
(unsigned)inp->inp_flags,inp->inp_fport, inp->inp_lport);
}
#ifdef INET6
/*----------------------------------------------------------------------
* Dump an IPv6 discovery queue structure.
----------------------------------------------------------------------*/
void dump_discq DEFARGS((dq),
struct discq *dq)
{
if (!dq) {
printf("Dereference a NULL discq? I don't think so.\n");
return;
}
printf("dq_next = 0x%x, dq_prev = 0x%x, dq_rt = 0x%x,\n",dq->dq_next,
dq->dq_prev, dq->dq_rt);
printf("dq_queue = 0x%x.\n",dq->dq_queue);
/* Dump first mbuf chain? */
/*printf("dq_expire = %d (0x%x).\n",dq->dq_expire,dq->dq_expire);*/
}
#endif /* INET6 */
/*----------------------------------------------------------------------
* Dump a data buffer
----------------------------------------------------------------------*/
void dump_buf DEFARGS((buf, len),
char *buf AND
int len)
{
int i;
printf("buf=0x%x len=%d:\n", (unsigned int)buf, len);
for (i = 0; i < len; i++) {
printf("0x%x ", (u_int8)*(buf+i));
}
printf("\n");
}
/*----------------------------------------------------------------------
* Dump a key_tblnode structrue
----------------------------------------------------------------------*/
void dump_keytblnode DEFARGS((ktblnode),
struct key_tblnode *ktblnode)
{
if (!ktblnode) {
printf("NULL key table node pointer!\n");
return;
}
printf("solist=0x%x ", (unsigned int)ktblnode->solist);
printf("secassoc=0x%x ", (unsigned int)ktblnode->secassoc);
printf("next=0x%x\n", (unsigned int)ktblnode->next);
}
/*----------------------------------------------------------------------
* Dump an ipsec_assoc structure
----------------------------------------------------------------------*/
void dump_secassoc DEFARGS((seca),
struct key_secassoc *seca)
{
u_int8 *p;
int i;
if (seca) {
printf("secassoc_len=%u ", seca->len);
printf("secassoc_type=%d ", seca->type);
printf("secassoc_state=0x%x\n", seca->state);
printf("secassoc_label=%u ", seca->label);
printf("secassoc_spi=0x%x ", (unsigned int)seca->spi);
printf("secassoc_keylen=%u\n", seca->keylen);
printf("secassoc_ivlen=%u ", seca->ivlen);
printf("secassoc_algorithm=%u ", seca->algorithm);
printf("secassoc_lifetype=%u\n", seca->lifetype);
printf("secassoc_iv=0x%x:\n", (unsigned int)seca->iv);
p = (u_int8 *)(seca->iv);
for (i = 0 ; i < seca->ivlen; i++)
printf("0x%x ", *(p + i));
printf("secassoc_key=0x%x:\n", (unsigned int)seca->key);
p = (u_int8 *)(seca->key);
for (i = 0 ; i < seca->keylen; i++)
printf("0x%x ", *(p + i));
printf("secassoc_lifetime1=%u ", (unsigned int)seca->lifetime1);
printf("secassoc_lifetime2=%u\n", (unsigned int)seca->lifetime2);
dump_smart_sockaddr(seca->src);
dump_smart_sockaddr(seca->dst);
dump_smart_sockaddr(seca->from);
} else
printf("can't dump null secassoc pointer!\n");
}
/*----------------------------------------------------------------------
* Dump a key_msghdr structure
----------------------------------------------------------------------*/
void dump_keymsghdr DEFARGS((km),
struct key_msghdr *km)
{
if (km) {
printf("key_msglen=%d\n", km->key_msglen);
printf("key_msgvers=%d\n", km->key_msgvers);
printf("key_msgtype=%d\n", km->key_msgtype);
printf("key_pid=%d\n", km->key_pid);
printf("key_seq=%d\n", km->key_seq);
printf("key_errno=%d\n", km->key_errno);
printf("type=0x%x\n", (unsigned int)km->type);
printf("state=0x%x\n", (unsigned int)km->state);
printf("label=0x%x\n", (unsigned int)km->label);
printf("spi=0x%x\n", (unsigned int)km->spi);
printf("keylen=%d\n", km->keylen);
printf("ivlen=%d\n", km->ivlen);
printf("algorithm=%d\n", km->algorithm);
printf("lifetype=0x%x\n", (unsigned int)km->lifetype);
printf("lifetime1=%u\n", (unsigned int)km->lifetime1);
printf("lifetime2=%u\n", (unsigned int)km->lifetime2);
} else
printf("key_msghdr pointer is NULL!\n");
}
/*----------------------------------------------------------------------
* Dump a key_msgdata structure
----------------------------------------------------------------------*/
void dump_keymsginfo DEFARGS((kp),
struct key_msgdata *kp)
{
int i;
if (kp) {
printf("src addr:\n");
dump_smart_sockaddr(kp->src);
printf("dest addr:\n");
dump_smart_sockaddr(kp->dst);
printf("from addr:\n");
dump_smart_sockaddr(kp->from);
#define dumpbuf(a, b) \
{ for (i= 0; i < (b); i++) \
printf("0x%2x%s", (unsigned char)(*((caddr_t)a+i)),((i+1)%16)?" ":"\n");\
printf("\n"); }
printf("iv is:\n");
dumpbuf(kp->iv, kp->ivlen);
printf("key is:\n");
dumpbuf(kp->key, kp->keylen);
#undef dumpbuf
} else
printf("key_msgdata point is NULL!\n");
}
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