mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-22 11:17:19 +00:00
289 lines
6.8 KiB
C
289 lines
6.8 KiB
C
/*
|
|
* Copyright (c) 1995, 1996, 1997
|
|
* 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: (1) source code distributions
|
|
* retain the above copyright notice and this paragraph in its entirety, (2)
|
|
* distributions including binary code include the above copyright notice and
|
|
* this paragraph in its entirety in the documentation or other materials
|
|
* provided with the distribution, and (3) all advertising materials mentioning
|
|
* features or use of this software display the following acknowledgement:
|
|
* ``This product includes software developed by the University of California,
|
|
* Lawrence Berkeley Laboratory and its contributors.'' 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
*
|
|
* Initial contribution from John Hawkinson (jhawk@mit.edu).
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char rcsid[] =
|
|
"@(#) $Header: print-krb.c,v 1.9 97/04/26 14:01:45 leres Exp $";
|
|
#endif
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/time.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <netinet/in.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 <ctype.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
|
|
#include "interface.h"
|
|
#include "addrtoname.h"
|
|
|
|
const u_char *c_print(register const u_char *, register const u_char *);
|
|
const u_char *krb4_print_hdr(const u_char *);
|
|
void krb4_print(const u_char *);
|
|
void krb_print(const u_char *, u_int);
|
|
|
|
|
|
#define AUTH_MSG_KDC_REQUEST 1<<1
|
|
#define AUTH_MSG_KDC_REPLY 2<<1
|
|
#define AUTH_MSG_APPL_REQUEST 3<<1
|
|
#define AUTH_MSG_APPL_REQUEST_MUTUAL 4<<1
|
|
#define AUTH_MSG_ERR_REPLY 5<<1
|
|
#define AUTH_MSG_PRIVATE 6<<1
|
|
#define AUTH_MSG_SAFE 7<<1
|
|
#define AUTH_MSG_APPL_ERR 8<<1
|
|
#define AUTH_MSG_DIE 63<<1
|
|
|
|
#define KERB_ERR_OK 0
|
|
#define KERB_ERR_NAME_EXP 1
|
|
#define KERB_ERR_SERVICE_EXP 2
|
|
#define KERB_ERR_AUTH_EXP 3
|
|
#define KERB_ERR_PKT_VER 4
|
|
#define KERB_ERR_NAME_MAST_KEY_VER 5
|
|
#define KERB_ERR_SERV_MAST_KEY_VER 6
|
|
#define KERB_ERR_BYTE_ORDER 7
|
|
#define KERB_ERR_PRINCIPAL_UNKNOWN 8
|
|
#define KERB_ERR_PRINCIPAL_NOT_UNIQUE 9
|
|
#define KERB_ERR_NULL_KEY 10
|
|
|
|
struct krb {
|
|
u_char pvno; /* Protocol Version */
|
|
u_char type; /* Type+B */
|
|
};
|
|
|
|
static char tstr[] = " [|kerberos]";
|
|
|
|
static struct tok type2str[] = {
|
|
{ AUTH_MSG_KDC_REQUEST, "KDC_REQUEST" },
|
|
{ AUTH_MSG_KDC_REPLY, "KDC_REPLY" },
|
|
{ AUTH_MSG_APPL_REQUEST, "APPL_REQUEST" },
|
|
{ AUTH_MSG_APPL_REQUEST_MUTUAL, "APPL_REQUEST_MUTUAL" },
|
|
{ AUTH_MSG_ERR_REPLY, "ERR_REPLY" },
|
|
{ AUTH_MSG_PRIVATE, "PRIVATE" },
|
|
{ AUTH_MSG_SAFE, "SAFE" },
|
|
{ AUTH_MSG_APPL_ERR, "APPL_ERR" },
|
|
{ AUTH_MSG_DIE, "DIE" },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static struct tok kerr2str[] = {
|
|
{ KERB_ERR_OK, "OK" },
|
|
{ KERB_ERR_NAME_EXP, "NAME_EXP" },
|
|
{ KERB_ERR_SERVICE_EXP, "SERVICE_EXP" },
|
|
{ KERB_ERR_AUTH_EXP, "AUTH_EXP" },
|
|
{ KERB_ERR_PKT_VER, "PKT_VER" },
|
|
{ KERB_ERR_NAME_MAST_KEY_VER, "NAME_MAST_KEY_VER" },
|
|
{ KERB_ERR_SERV_MAST_KEY_VER, "SERV_MAST_KEY_VER" },
|
|
{ KERB_ERR_BYTE_ORDER, "BYTE_ORDER" },
|
|
{ KERB_ERR_PRINCIPAL_UNKNOWN, "PRINCIPAL_UNKNOWN" },
|
|
{ KERB_ERR_PRINCIPAL_NOT_UNIQUE,"PRINCIPAL_NOT_UNIQUE" },
|
|
{ KERB_ERR_NULL_KEY, "NULL_KEY"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
|
|
/* little endian (unaligned) to host byte order */
|
|
/* XXX need to look at this... */
|
|
#define vtohlp(x) ((( ((char *)(x))[0] ) ) | \
|
|
(( ((char *)(x))[1] ) << 8) | \
|
|
(( ((char *)(x))[2] ) << 16) | \
|
|
(( ((char *)(x))[3] ) << 24))
|
|
#define vtohsp(x) ((( ((char *)(x))[0] ) ) | \
|
|
(( ((char *)(x))[1] ) << 8))
|
|
/* network (big endian) (unaligned) to host byte order */
|
|
#define ntohlp(x) ((( ((char *)(x))[3] ) ) | \
|
|
(( ((char *)(x))[2] ) << 8) | \
|
|
(( ((char *)(x))[1] ) << 16) | \
|
|
(( ((char *)(x))[0] ) << 24))
|
|
#define ntohsp(x) ((( ((char *)(x))[1] ) ) | \
|
|
(( ((char *)(x))[0] ) << 8))
|
|
|
|
|
|
|
|
const u_char *
|
|
c_print(register const u_char *s, register const u_char *ep)
|
|
{
|
|
register u_char c;
|
|
register int flag;
|
|
|
|
flag = 1;
|
|
while (s < ep) {
|
|
c = *s++;
|
|
if (c == '\0') {
|
|
flag = 0;
|
|
break;
|
|
}
|
|
if (!isascii(c)) {
|
|
c = toascii(c);
|
|
putchar('M');
|
|
putchar('-');
|
|
}
|
|
if (!isprint(c)) {
|
|
c ^= 0x40; /* DEL to ?, others to alpha */
|
|
putchar('^');
|
|
}
|
|
putchar(c);
|
|
}
|
|
if (flag)
|
|
return NULL;
|
|
return (s);
|
|
}
|
|
|
|
const u_char *
|
|
krb4_print_hdr(const u_char *cp)
|
|
{
|
|
cp += 2;
|
|
|
|
#define PRINT if ((cp = c_print(cp, snapend)) == NULL) goto trunc
|
|
|
|
PRINT;
|
|
putchar('.');
|
|
PRINT;
|
|
putchar('@');
|
|
PRINT;
|
|
return (cp);
|
|
|
|
trunc:
|
|
fputs(tstr, stdout);
|
|
return (NULL);
|
|
|
|
#undef PRINT
|
|
}
|
|
|
|
void
|
|
krb4_print(const u_char *cp)
|
|
{
|
|
register const struct krb *kp;
|
|
u_char type;
|
|
u_short len;
|
|
|
|
#define PRINT if ((cp = c_print(cp, snapend)) == NULL) goto trunc
|
|
/* True if struct krb is little endian */
|
|
#define IS_LENDIAN(kp) (((kp)->type & 0x01) != 0)
|
|
#define KTOHSP(kp, cp) (IS_LENDIAN(kp) ? vtohsp(cp) : ntohsp(cp))
|
|
|
|
kp = (struct krb *)cp;
|
|
|
|
if ((&kp->type) >= snapend) {
|
|
fputs(tstr, stdout);
|
|
return;
|
|
}
|
|
|
|
type = kp->type & (0xFF << 1);
|
|
|
|
printf(" %s %s: ",
|
|
IS_LENDIAN(kp) ? "le" : "be", tok2str(type2str, NULL, type));
|
|
|
|
switch (type) {
|
|
|
|
case AUTH_MSG_KDC_REQUEST:
|
|
if ((cp = krb4_print_hdr(cp)) == NULL)
|
|
return;
|
|
cp += 4; /* ctime */
|
|
TCHECK(*cp);
|
|
printf(" %dmin ", *cp++ * 5);
|
|
PRINT;
|
|
putchar('.');
|
|
PRINT;
|
|
break;
|
|
|
|
case AUTH_MSG_APPL_REQUEST:
|
|
cp += 2;
|
|
TCHECK(*cp);
|
|
printf("v%d ", *cp++);
|
|
PRINT;
|
|
TCHECK(*cp);
|
|
printf(" (%d)", *cp++);
|
|
TCHECK(*cp);
|
|
printf(" (%d)", *cp);
|
|
break;
|
|
|
|
case AUTH_MSG_KDC_REPLY:
|
|
if ((cp = krb4_print_hdr(cp)) == NULL)
|
|
return;
|
|
cp += 10; /* timestamp + n + exp + kvno */
|
|
TCHECK2(*cp, sizeof(short));
|
|
len = KTOHSP(kp, cp);
|
|
printf(" (%d)", len);
|
|
break;
|
|
|
|
case AUTH_MSG_ERR_REPLY:
|
|
if ((cp = krb4_print_hdr(cp)) == NULL)
|
|
return;
|
|
cp += 4; /* timestamp */
|
|
TCHECK2(*cp, sizeof(short));
|
|
printf(" %s ", tok2str(kerr2str, NULL, KTOHSP(kp, cp)));
|
|
cp += 4;
|
|
PRINT;
|
|
break;
|
|
|
|
default:
|
|
fputs("(unknown)", stdout);
|
|
break;
|
|
}
|
|
|
|
return;
|
|
trunc:
|
|
fputs(tstr, stdout);
|
|
}
|
|
|
|
void
|
|
krb_print(const u_char *dat, u_int length)
|
|
{
|
|
register const struct krb *kp;
|
|
|
|
kp = (struct krb *)dat;
|
|
|
|
if (dat >= snapend) {
|
|
fputs(tstr, stdout);
|
|
return;
|
|
}
|
|
|
|
switch (kp->pvno) {
|
|
|
|
case 1:
|
|
case 2:
|
|
case 3:
|
|
printf(" v%d", kp->pvno);
|
|
break;
|
|
|
|
case 4:
|
|
printf(" v%d", kp->pvno);
|
|
krb4_print((const u_char *)kp);
|
|
break;
|
|
|
|
case 106:
|
|
case 107:
|
|
fputs(" v5", stdout);
|
|
/* Decode ASN.1 here "someday" */
|
|
break;
|
|
}
|
|
return;
|
|
}
|