392858ffd3
I just mistakenly commited this to RELENG_4. I have contacted Jordan to see about how to fix this. Pass the pointy hat.
687 lines
15 KiB
C
687 lines
15 KiB
C
/*-
|
|
* Copyright (c) 1991, 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char sccsid[] = "@(#)auth.c 8.3 (Berkeley) 5/30/95";
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* Copyright (C) 1990 by the Massachusetts Institute of Technology
|
|
*
|
|
* Export of this software from the United States of America is assumed
|
|
* to require a specific license from the United States Government.
|
|
* It is the responsibility of any person or organization contemplating
|
|
* export to obtain such a license before exporting.
|
|
*
|
|
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
|
|
* distribute this software and its documentation for any purpose and
|
|
* without fee is hereby granted, provided that the above copyright
|
|
* notice appear in all copies and that both that copyright notice and
|
|
* this permission notice appear in supporting documentation, and that
|
|
* the name of M.I.T. not be used in advertising or publicity pertaining
|
|
* to distribution of the software without specific, written prior
|
|
* permission. M.I.T. makes no representations about the suitability of
|
|
* this software for any purpose. It is provided "as is" without express
|
|
* or implied warranty.
|
|
*/
|
|
|
|
|
|
#if defined(AUTHENTICATION)
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <signal.h>
|
|
#define AUTH_NAMES
|
|
#include <arpa/telnet.h>
|
|
#ifdef __STDC__
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#endif
|
|
#ifdef NO_STRING_H
|
|
#include <strings.h>
|
|
#else
|
|
#include <string.h>
|
|
#endif
|
|
|
|
#include "encrypt.h"
|
|
#include "auth.h"
|
|
#include "misc-proto.h"
|
|
#include "auth-proto.h"
|
|
|
|
#define typemask(x) (1<<((x)-1))
|
|
|
|
#ifdef KRB4_ENCPWD
|
|
extern krb4encpwd_init();
|
|
extern krb4encpwd_send();
|
|
extern krb4encpwd_is();
|
|
extern krb4encpwd_reply();
|
|
extern krb4encpwd_status();
|
|
extern krb4encpwd_printsub();
|
|
#endif
|
|
|
|
#ifdef RSA_ENCPWD
|
|
extern rsaencpwd_init();
|
|
extern rsaencpwd_send();
|
|
extern rsaencpwd_is();
|
|
extern rsaencpwd_reply();
|
|
extern rsaencpwd_status();
|
|
extern rsaencpwd_printsub();
|
|
#endif
|
|
|
|
int auth_debug_mode = 0;
|
|
static char *Name = "Noname";
|
|
static int Server = 0;
|
|
static Authenticator *authenticated = 0;
|
|
static int authenticating = 0;
|
|
static int validuser = 0;
|
|
static unsigned char _auth_send_data[256];
|
|
static unsigned char *auth_send_data;
|
|
static int auth_send_cnt = 0;
|
|
|
|
int auth_onoff(char *type, int on);
|
|
void auth_encrypt_user(char *name);
|
|
|
|
/*
|
|
* Authentication types supported. Plese note that these are stored
|
|
* in priority order, i.e. try the first one first.
|
|
*/
|
|
Authenticator authenticators[] = {
|
|
#ifdef SPX
|
|
{ AUTHTYPE_SPX, AUTH_WHO_CLIENT|AUTH_HOW_MUTUAL,
|
|
spx_init,
|
|
spx_send,
|
|
spx_is,
|
|
spx_reply,
|
|
spx_status,
|
|
spx_printsub },
|
|
{ AUTHTYPE_SPX, AUTH_WHO_CLIENT|AUTH_HOW_ONE_WAY,
|
|
spx_init,
|
|
spx_send,
|
|
spx_is,
|
|
spx_reply,
|
|
spx_status,
|
|
spx_printsub },
|
|
#endif
|
|
#ifdef KRB5
|
|
# ifdef ENCRYPTION
|
|
{ AUTHTYPE_KERBEROS_V5, AUTH_WHO_CLIENT|AUTH_HOW_MUTUAL,
|
|
kerberos5_init,
|
|
kerberos5_send,
|
|
kerberos5_is,
|
|
kerberos5_reply,
|
|
kerberos5_status,
|
|
kerberos5_printsub },
|
|
# endif /* ENCRYPTION */
|
|
{ AUTHTYPE_KERBEROS_V5, AUTH_WHO_CLIENT|AUTH_HOW_ONE_WAY,
|
|
kerberos5_init,
|
|
kerberos5_send,
|
|
kerberos5_is,
|
|
kerberos5_reply,
|
|
kerberos5_status,
|
|
kerberos5_printsub },
|
|
#endif
|
|
#ifdef KRB4
|
|
# ifdef ENCRYPTION
|
|
{ AUTHTYPE_KERBEROS_V4, AUTH_WHO_CLIENT|AUTH_HOW_MUTUAL,
|
|
kerberos4_init,
|
|
kerberos4_send,
|
|
kerberos4_is,
|
|
kerberos4_reply,
|
|
kerberos4_status,
|
|
kerberos4_printsub },
|
|
# endif /* ENCRYPTION */
|
|
{ AUTHTYPE_KERBEROS_V4, AUTH_WHO_CLIENT|AUTH_HOW_ONE_WAY,
|
|
kerberos4_init,
|
|
kerberos4_send,
|
|
kerberos4_is,
|
|
kerberos4_reply,
|
|
kerberos4_status,
|
|
kerberos4_printsub },
|
|
#endif
|
|
#ifdef KRB4_ENCPWD
|
|
{ AUTHTYPE_KRB4_ENCPWD, AUTH_WHO_CLIENT|AUTH_HOW_MUTUAL,
|
|
krb4encpwd_init,
|
|
krb4encpwd_send,
|
|
krb4encpwd_is,
|
|
krb4encpwd_reply,
|
|
krb4encpwd_status,
|
|
krb4encpwd_printsub },
|
|
#endif
|
|
#ifdef RSA_ENCPWD
|
|
{ AUTHTYPE_RSA_ENCPWD, AUTH_WHO_CLIENT|AUTH_HOW_ONE_WAY,
|
|
rsaencpwd_init,
|
|
rsaencpwd_send,
|
|
rsaencpwd_is,
|
|
rsaencpwd_reply,
|
|
rsaencpwd_status,
|
|
rsaencpwd_printsub },
|
|
#endif
|
|
#ifdef SRA
|
|
{ AUTHTYPE_SRA, AUTH_WHO_CLIENT|AUTH_HOW_ONE_WAY,
|
|
sra_init,
|
|
sra_send,
|
|
sra_is,
|
|
sra_reply,
|
|
sra_status,
|
|
sra_printsub },
|
|
|
|
#endif
|
|
{ 0, },
|
|
};
|
|
|
|
static Authenticator NoAuth = { 0 };
|
|
|
|
static int i_support = 0;
|
|
static int i_wont_support = 0;
|
|
|
|
Authenticator *
|
|
findauthenticator(type, way)
|
|
int type;
|
|
int way;
|
|
{
|
|
Authenticator *ap = authenticators;
|
|
|
|
while (ap->type && (ap->type != type || ap->way != way))
|
|
++ap;
|
|
return(ap->type ? ap : 0);
|
|
}
|
|
|
|
void
|
|
auth_init(name, server)
|
|
char *name;
|
|
int server;
|
|
{
|
|
Authenticator *ap = authenticators;
|
|
|
|
Server = server;
|
|
Name = name;
|
|
|
|
i_support = 0;
|
|
authenticated = 0;
|
|
authenticating = 0;
|
|
while (ap->type) {
|
|
if (!ap->init || (*ap->init)(ap, server)) {
|
|
i_support |= typemask(ap->type);
|
|
if (auth_debug_mode)
|
|
printf(">>>%s: I support auth type %d %d\r\n",
|
|
Name,
|
|
ap->type, ap->way);
|
|
}
|
|
else if (auth_debug_mode)
|
|
printf(">>>%s: Init failed: auth type %d %d\r\n",
|
|
Name, ap->type, ap->way);
|
|
++ap;
|
|
}
|
|
}
|
|
|
|
void
|
|
auth_disable_name(name)
|
|
char *name;
|
|
{
|
|
int x;
|
|
for (x = 0; x < AUTHTYPE_CNT; ++x) {
|
|
if (AUTHTYPE_NAME(x) && !strcasecmp(name, AUTHTYPE_NAME(x))) {
|
|
i_wont_support |= typemask(x);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
getauthmask(type, maskp)
|
|
char *type;
|
|
int *maskp;
|
|
{
|
|
register int x;
|
|
|
|
if (AUTHTYPE_NAME(0) && !strcasecmp(type, AUTHTYPE_NAME(0))) {
|
|
*maskp = -1;
|
|
return(1);
|
|
}
|
|
|
|
for (x = 1; x < AUTHTYPE_CNT; ++x) {
|
|
if (AUTHTYPE_NAME(x) && !strcasecmp(type, AUTHTYPE_NAME(x))) {
|
|
*maskp = typemask(x);
|
|
return(1);
|
|
}
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
int
|
|
auth_enable(type)
|
|
char *type;
|
|
{
|
|
return(auth_onoff(type, 1));
|
|
}
|
|
|
|
int
|
|
auth_disable(type)
|
|
char *type;
|
|
{
|
|
return(auth_onoff(type, 0));
|
|
}
|
|
|
|
int
|
|
auth_onoff(type, on)
|
|
char *type;
|
|
int on;
|
|
{
|
|
int i, mask = -1;
|
|
Authenticator *ap;
|
|
|
|
if (!strcasecmp(type, "?") || !strcasecmp(type, "help")) {
|
|
printf("auth %s 'type'\n", on ? "enable" : "disable");
|
|
printf("Where 'type' is one of:\n");
|
|
printf("\t%s\n", AUTHTYPE_NAME(0));
|
|
mask = 0;
|
|
for (ap = authenticators; ap->type; ap++) {
|
|
if ((mask & (i = typemask(ap->type))) != 0)
|
|
continue;
|
|
mask |= i;
|
|
printf("\t%s\n", AUTHTYPE_NAME(ap->type));
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
if (!getauthmask(type, &mask)) {
|
|
printf("%s: invalid authentication type\n", type);
|
|
return(0);
|
|
}
|
|
if (on)
|
|
i_wont_support &= ~mask;
|
|
else
|
|
i_wont_support |= mask;
|
|
return(1);
|
|
}
|
|
|
|
int
|
|
auth_togdebug(on)
|
|
int on;
|
|
{
|
|
if (on < 0)
|
|
auth_debug_mode ^= 1;
|
|
else
|
|
auth_debug_mode = on;
|
|
printf("auth debugging %s\n", auth_debug_mode ? "enabled" : "disabled");
|
|
return(1);
|
|
}
|
|
|
|
int
|
|
auth_status()
|
|
{
|
|
Authenticator *ap;
|
|
int i, mask;
|
|
|
|
if (i_wont_support == -1)
|
|
printf("Authentication disabled\n");
|
|
else
|
|
printf("Authentication enabled\n");
|
|
|
|
mask = 0;
|
|
for (ap = authenticators; ap->type; ap++) {
|
|
if ((mask & (i = typemask(ap->type))) != 0)
|
|
continue;
|
|
mask |= i;
|
|
printf("%s: %s\n", AUTHTYPE_NAME(ap->type),
|
|
(i_wont_support & typemask(ap->type)) ?
|
|
"disabled" : "enabled");
|
|
}
|
|
return(1);
|
|
}
|
|
|
|
/*
|
|
* This routine is called by the server to start authentication
|
|
* negotiation.
|
|
*/
|
|
void
|
|
auth_request()
|
|
{
|
|
static unsigned char str_request[64] = { IAC, SB,
|
|
TELOPT_AUTHENTICATION,
|
|
TELQUAL_SEND, };
|
|
Authenticator *ap = authenticators;
|
|
unsigned char *e = str_request + 4;
|
|
|
|
if (!authenticating) {
|
|
authenticating = 1;
|
|
while (ap->type) {
|
|
if (i_support & ~i_wont_support & typemask(ap->type)) {
|
|
if (auth_debug_mode) {
|
|
printf(">>>%s: Sending type %d %d\r\n",
|
|
Name, ap->type, ap->way);
|
|
}
|
|
*e++ = ap->type;
|
|
*e++ = ap->way;
|
|
}
|
|
++ap;
|
|
}
|
|
*e++ = IAC;
|
|
*e++ = SE;
|
|
net_write(str_request, e - str_request);
|
|
printsub('>', &str_request[2], e - str_request - 2);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* This is called when an AUTH SEND is received.
|
|
* It should never arrive on the server side (as only the server can
|
|
* send an AUTH SEND).
|
|
* You should probably respond to it if you can...
|
|
*
|
|
* If you want to respond to the types out of order (i.e. even
|
|
* if he sends LOGIN KERBEROS and you support both, you respond
|
|
* with KERBEROS instead of LOGIN (which is against what the
|
|
* protocol says)) you will have to hack this code...
|
|
*/
|
|
void
|
|
auth_send(data, cnt)
|
|
unsigned char *data;
|
|
int cnt;
|
|
{
|
|
Authenticator *ap;
|
|
static unsigned char str_none[] = { IAC, SB, TELOPT_AUTHENTICATION,
|
|
TELQUAL_IS, AUTHTYPE_NULL, 0,
|
|
IAC, SE };
|
|
if (Server) {
|
|
if (auth_debug_mode) {
|
|
printf(">>>%s: auth_send called!\r\n", Name);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (auth_debug_mode) {
|
|
printf(">>>%s: auth_send got:", Name);
|
|
printd(data, cnt); printf("\r\n");
|
|
}
|
|
|
|
/*
|
|
* Save the data, if it is new, so that we can continue looking
|
|
* at it if the authorization we try doesn't work
|
|
*/
|
|
if (data < _auth_send_data ||
|
|
data > _auth_send_data + sizeof(_auth_send_data)) {
|
|
auth_send_cnt = cnt > sizeof(_auth_send_data)
|
|
? sizeof(_auth_send_data)
|
|
: cnt;
|
|
memmove((void *)_auth_send_data, (void *)data, auth_send_cnt);
|
|
auth_send_data = _auth_send_data;
|
|
} else {
|
|
/*
|
|
* This is probably a no-op, but we just make sure
|
|
*/
|
|
auth_send_data = data;
|
|
auth_send_cnt = cnt;
|
|
}
|
|
while ((auth_send_cnt -= 2) >= 0) {
|
|
if (auth_debug_mode)
|
|
printf(">>>%s: He supports %d\r\n",
|
|
Name, *auth_send_data);
|
|
if ((i_support & ~i_wont_support) & typemask(*auth_send_data)) {
|
|
ap = findauthenticator(auth_send_data[0],
|
|
auth_send_data[1]);
|
|
if (ap && ap->send) {
|
|
if (auth_debug_mode)
|
|
printf(">>>%s: Trying %d %d\r\n",
|
|
Name, auth_send_data[0],
|
|
auth_send_data[1]);
|
|
if ((*ap->send)(ap)) {
|
|
/*
|
|
* Okay, we found one we like
|
|
* and did it.
|
|
* we can go home now.
|
|
*/
|
|
if (auth_debug_mode)
|
|
printf(">>>%s: Using type %d\r\n",
|
|
Name, *auth_send_data);
|
|
auth_send_data += 2;
|
|
return;
|
|
}
|
|
}
|
|
/* else
|
|
* just continue on and look for the
|
|
* next one if we didn't do anything.
|
|
*/
|
|
}
|
|
auth_send_data += 2;
|
|
}
|
|
net_write(str_none, sizeof(str_none));
|
|
printsub('>', &str_none[2], sizeof(str_none) - 2);
|
|
if (auth_debug_mode)
|
|
printf(">>>%s: Sent failure message\r\n", Name);
|
|
auth_finished(0, AUTH_REJECT);
|
|
#ifdef KANNAN
|
|
/*
|
|
* We requested strong authentication, however no mechanisms worked.
|
|
* Therefore, exit on client end.
|
|
*/
|
|
printf("Unable to securely authenticate user ... exit\n");
|
|
exit(0);
|
|
#endif /* KANNAN */
|
|
}
|
|
|
|
void
|
|
auth_send_retry()
|
|
{
|
|
/*
|
|
* if auth_send_cnt <= 0 then auth_send will end up rejecting
|
|
* the authentication and informing the other side of this.
|
|
*/
|
|
auth_send(auth_send_data, auth_send_cnt);
|
|
}
|
|
|
|
void
|
|
auth_is(data, cnt)
|
|
unsigned char *data;
|
|
int cnt;
|
|
{
|
|
Authenticator *ap;
|
|
|
|
if (cnt < 2)
|
|
return;
|
|
|
|
if (data[0] == AUTHTYPE_NULL) {
|
|
auth_finished(0, AUTH_REJECT);
|
|
return;
|
|
}
|
|
|
|
if ((ap = findauthenticator(data[0], data[1]))) {
|
|
if (ap->is)
|
|
(*ap->is)(ap, data+2, cnt-2);
|
|
} else if (auth_debug_mode)
|
|
printf(">>>%s: Invalid authentication in IS: %d\r\n",
|
|
Name, *data);
|
|
}
|
|
|
|
void
|
|
auth_reply(data, cnt)
|
|
unsigned char *data;
|
|
int cnt;
|
|
{
|
|
Authenticator *ap;
|
|
|
|
if (cnt < 2)
|
|
return;
|
|
|
|
if ((ap = findauthenticator(data[0], data[1]))) {
|
|
if (ap->reply)
|
|
(*ap->reply)(ap, data+2, cnt-2);
|
|
} else if (auth_debug_mode)
|
|
printf(">>>%s: Invalid authentication in SEND: %d\r\n",
|
|
Name, *data);
|
|
}
|
|
|
|
void
|
|
auth_name(data, cnt)
|
|
unsigned char *data;
|
|
int cnt;
|
|
{
|
|
unsigned char savename[256];
|
|
|
|
if (cnt < 1) {
|
|
if (auth_debug_mode)
|
|
printf(">>>%s: Empty name in NAME\r\n", Name);
|
|
return;
|
|
}
|
|
if (cnt > sizeof(savename) - 1) {
|
|
if (auth_debug_mode)
|
|
printf(">>>%s: Name in NAME (%d) exceeds %d length\r\n",
|
|
Name, cnt, sizeof(savename)-1);
|
|
return;
|
|
}
|
|
memmove((void *)savename, (void *)data, cnt);
|
|
savename[cnt] = '\0'; /* Null terminate */
|
|
if (auth_debug_mode)
|
|
printf(">>>%s: Got NAME [%s]\r\n", Name, savename);
|
|
auth_encrypt_user(savename);
|
|
}
|
|
|
|
int
|
|
auth_sendname(cp, len)
|
|
unsigned char *cp;
|
|
int len;
|
|
{
|
|
static unsigned char str_request[256+6]
|
|
= { IAC, SB, TELOPT_AUTHENTICATION, TELQUAL_NAME, };
|
|
register unsigned char *e = str_request + 4;
|
|
register unsigned char *ee = &str_request[sizeof(str_request)-2];
|
|
|
|
while (--len >= 0) {
|
|
if ((*e++ = *cp++) == IAC)
|
|
*e++ = IAC;
|
|
if (e >= ee)
|
|
return(0);
|
|
}
|
|
*e++ = IAC;
|
|
*e++ = SE;
|
|
net_write(str_request, e - str_request);
|
|
printsub('>', &str_request[2], e - &str_request[2]);
|
|
return(1);
|
|
}
|
|
|
|
void
|
|
auth_finished(ap, result)
|
|
Authenticator *ap;
|
|
int result;
|
|
{
|
|
if (!(authenticated = ap))
|
|
authenticated = &NoAuth;
|
|
validuser = result;
|
|
}
|
|
|
|
/* ARGSUSED */
|
|
static void
|
|
auth_intr(sig)
|
|
int sig;
|
|
{
|
|
auth_finished(0, AUTH_REJECT);
|
|
}
|
|
|
|
int
|
|
auth_wait(name)
|
|
char *name;
|
|
{
|
|
if (auth_debug_mode)
|
|
printf(">>>%s: in auth_wait.\r\n", Name);
|
|
|
|
if (Server && !authenticating)
|
|
return(0);
|
|
|
|
(void) signal(SIGALRM, auth_intr);
|
|
alarm(30);
|
|
while (!authenticated)
|
|
if (telnet_spin())
|
|
break;
|
|
alarm(0);
|
|
(void) signal(SIGALRM, SIG_DFL);
|
|
|
|
/*
|
|
* Now check to see if the user is valid or not
|
|
*/
|
|
if (!authenticated || authenticated == &NoAuth)
|
|
return(AUTH_REJECT);
|
|
|
|
if (validuser == AUTH_VALID)
|
|
validuser = AUTH_USER;
|
|
|
|
if (authenticated->status)
|
|
validuser = (*authenticated->status)(authenticated,
|
|
name, validuser);
|
|
return(validuser);
|
|
}
|
|
|
|
void
|
|
auth_debug(mode)
|
|
int mode;
|
|
{
|
|
auth_debug_mode = mode;
|
|
}
|
|
|
|
void
|
|
auth_printsub(data, cnt, buf, buflen)
|
|
unsigned char *data, *buf;
|
|
int cnt, buflen;
|
|
{
|
|
Authenticator *ap;
|
|
|
|
if ((ap = findauthenticator(data[1], data[2])) && ap->printsub)
|
|
(*ap->printsub)(data, cnt, buf, buflen);
|
|
else
|
|
auth_gen_printsub(data, cnt, buf, buflen);
|
|
}
|
|
|
|
void
|
|
auth_gen_printsub(data, cnt, buf, buflen)
|
|
unsigned char *data, *buf;
|
|
int cnt, buflen;
|
|
{
|
|
register unsigned char *cp;
|
|
unsigned char tbuf[16];
|
|
|
|
cnt -= 3;
|
|
data += 3;
|
|
buf[buflen-1] = '\0';
|
|
buf[buflen-2] = '*';
|
|
buflen -= 2;
|
|
for (; cnt > 0; cnt--, data++) {
|
|
sprintf((char *)tbuf, " %d", *data);
|
|
for (cp = tbuf; *cp && buflen > 0; --buflen)
|
|
*buf++ = *cp++;
|
|
if (buflen <= 0)
|
|
return;
|
|
}
|
|
*buf = '\0';
|
|
}
|
|
#endif
|