diff options
Diffstat (limited to 'secure/lib/libtelnet/kerberos5.c')
| -rw-r--r-- | secure/lib/libtelnet/kerberos5.c | 762 | 
1 files changed, 0 insertions, 762 deletions
| diff --git a/secure/lib/libtelnet/kerberos5.c b/secure/lib/libtelnet/kerberos5.c deleted file mode 100644 index d2eb34fff38c..000000000000 --- a/secure/lib/libtelnet/kerberos5.c +++ /dev/null @@ -1,762 +0,0 @@ -/* - *	$Source: /home/ncvs/src/lib/libtelnet/kerberos5.c,v $ - *	$Author: rgrimes $ - *	$Id: kerberos5.c,v 1.1.1.1 1994/05/27 05:00:20 rgrimes Exp $ - */ - -#if !defined(lint) && !defined(SABER) -static -#ifdef __STDC__ -const -#endif -char rcsid_kerberos5_c[] = "$Id: kerberos5.c,v 1.1.1.1 1994/05/27 05:00:20 rgrimes Exp $"; -#endif /* lint */ - -/*- - * 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. - */ - -#ifndef lint -static char sccsid[] = "@(#)kerberos5.c	8.2 (Berkeley) 12/15/93"; -#endif /* not lint */ - -/* - * Copyright (C) 1990 by the Massachusetts Institute of Technology - * - * Export of this software from the United States of America may - * 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. - */ - - -#ifdef	KRB5 -#include <arpa/telnet.h> -#include <stdio.h> -#include <krb5/krb5.h> -#include <krb5/asn1.h> -#include <krb5/crc-32.h> -#include <krb5/los-proto.h> -#include <krb5/ext-proto.h> -#include <com_err.h> -#include <netdb.h> -#include <ctype.h> - -/* kerberos 5 include files (ext-proto.h) will get an appropriate stdlib.h -   and string.h/strings.h */ -  -#include "encrypt.h" -#include "auth.h" -#include "misc.h" - -extern auth_debug_mode; - -#ifdef	FORWARD -int forward_flags = 0;  /* Flags get set in telnet/main.c on -f and -F */ - -/* These values need to be the same as those defined in telnet/main.c. */ -/* Either define them in both places, or put in some common header file. */ -#define OPTS_FORWARD_CREDS           0x00000002 -#define OPTS_FORWARDABLE_CREDS       0x00000001 - -void kerberos5_forward(); - -#endif	/* FORWARD */ - -static unsigned char str_data[1024] = { IAC, SB, TELOPT_AUTHENTICATION, 0, -			  		AUTHTYPE_KERBEROS_V5, }; -/*static unsigned char str_name[1024] = { IAC, SB, TELOPT_AUTHENTICATION, -					TELQUAL_NAME, };*/ - -#define	KRB_AUTH		0	/* Authentication data follows */ -#define	KRB_REJECT		1	/* Rejected (reason might follow) */ -#define	KRB_ACCEPT		2	/* Accepted */ -#define	KRB_RESPONSE		3	/* Response for mutual auth. */ - -#ifdef	FORWARD -#define KRB_FORWARD     	4       /* Forwarded credentials follow */ -#define KRB_FORWARD_ACCEPT     	5       /* Forwarded credentials accepted */ -#define KRB_FORWARD_REJECT     	6       /* Forwarded credentials rejected */ -#endif	/* FORWARD */ - -static	krb5_data auth; -	/* telnetd gets session key from here */ -static	krb5_tkt_authent *authdat = NULL; -/* telnet matches the AP_REQ and AP_REP with this */ -static	krb5_authenticator authenticator; - -/* some compilers can't hack void *, so we use the Kerberos krb5_pointer, -   which is either void * or char *, depending on the compiler. */ - -#define Voidptr krb5_pointer - -Block	session_key; - -	static int -Data(ap, type, d, c) -	Authenticator *ap; -	int type; -	Voidptr d; -	int c; -{ -        unsigned char *p = str_data + 4; -	unsigned char *cd = (unsigned char *)d; - -	if (c == -1) -		c = strlen((char *)cd); - -        if (auth_debug_mode) { -                printf("%s:%d: [%d] (%d)", -                        str_data[3] == TELQUAL_IS ? ">>>IS" : ">>>REPLY", -                        str_data[3], -                        type, c); -                printd(d, c); -                printf("\r\n"); -        } -	*p++ = ap->type; -	*p++ = ap->way; -	*p++ = type; -        while (c-- > 0) { -                if ((*p++ = *cd++) == IAC) -                        *p++ = IAC; -        } -        *p++ = IAC; -        *p++ = SE; -	if (str_data[3] == TELQUAL_IS) -		printsub('>', &str_data[2], p - &str_data[2]); -        return(net_write(str_data, p - str_data)); -} - -	int -kerberos5_init(ap, server) -	Authenticator *ap; -	int server; -{ -	if (server) -		str_data[3] = TELQUAL_REPLY; -	else -		str_data[3] = TELQUAL_IS; -        krb5_init_ets(); -	return(1); -} - -	int -kerberos5_send(ap) -	Authenticator *ap; -{ -	char **realms; -	char *name; -	char *p1, *p2; -	krb5_checksum ksum; -	krb5_octet sum[CRC32_CKSUM_LENGTH]; - 	krb5_principal server; -	krb5_error_code r; -	krb5_ccache ccache; -	krb5_creds creds;		/* telnet gets session key from here */ -	extern krb5_flags krb5_kdc_default_options; -	int ap_opts; - -#ifdef	ENCRYPTION -	krb5_keyblock *newkey = 0; -#endif	/* ENCRYPTION */ - -	ksum.checksum_type = CKSUMTYPE_CRC32; -	ksum.contents = sum; -	ksum.length = sizeof(sum); -	bzero((Voidptr )sum, sizeof(sum)); -	 -        if (!UserNameRequested) { -                if (auth_debug_mode) { -                        printf("Kerberos V5: no user name supplied\r\n"); -                } -                return(0); -        } - -	if (r = krb5_cc_default(&ccache)) { -		if (auth_debug_mode) { -			printf("Kerberos V5: could not get default ccache\r\n"); -		} -		return(0); -	} - -	if ((name = malloc(strlen(RemoteHostName)+1)) == NULL) { -		if (auth_debug_mode) -			printf("Out of memory for hostname in Kerberos V5\r\n"); -		return(0); -	} - -	if (r = krb5_get_host_realm(RemoteHostName, &realms)) { -		if (auth_debug_mode) -			printf("Kerberos V5: no realm for %s\r\n", RemoteHostName); -		free(name); -		return(0); -	} - -	p1 = RemoteHostName; -	p2 = name; - -	while (*p2 = *p1++) { -		if (isupper(*p2)) -			*p2 |= 040; -		++p2; -	} - -	if (r = krb5_build_principal_ext(&server, -					 strlen(realms[0]), realms[0], -					 4, "host", -					 p2 - name, name, -					 0)) { -		if (auth_debug_mode) { -			printf("Kerberos V5: failure setting up principal (%s)\r\n", -			       error_message(r)); -		} -		free(name); -		krb5_free_host_realm(realms); -		return(0); -	} -					  - -	bzero((char *)&creds, sizeof(creds)); -	creds.server = server; - -	if (r = krb5_cc_get_principal(ccache, &creds.client)) { -		if (auth_debug_mode) { -			printf("Kerberos V5: failure on principal (%s)\r\n", -				error_message(r)); -		} -		free(name); -		krb5_free_principal(server); -		krb5_free_host_realm(realms); -		return(0); -	} - -	if (r = krb5_get_credentials(krb5_kdc_default_options, ccache, &creds)) { -		if (auth_debug_mode) { -			printf("Kerberos V5: failure on credentials(%d)\r\n",r); -		} -		free(name); -		krb5_free_host_realm(realms); -		krb5_free_principal(server); -		return(0); -	} - -	if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) -	    ap_opts = AP_OPTS_MUTUAL_REQUIRED; -	else -	    ap_opts = 0; -	     -	r = krb5_mk_req_extended(ap_opts, &ksum, krb5_kdc_default_options, 0, -#ifdef	ENCRYPTION -				 &newkey, -#else	/* ENCRYPTION */ -				 0, -#endif	/* ENCRYPTION */ -				 ccache, &creds, &authenticator, &auth); -	/* don't let the key get freed if we clean up the authenticator */ -	authenticator.subkey = 0; - -	free(name); -	krb5_free_host_realm(realms); -	krb5_free_principal(server); -#ifdef	ENCRYPTION -	if (newkey) { -	    /* keep the key in our private storage, but don't use it -	       yet---see kerberos5_reply() below */ -	    if (newkey->keytype != KEYTYPE_DES) { -		if (creds.keyblock.keytype == KEYTYPE_DES) -		    /* use the session key in credentials instead */ -		    memcpy((char *)session_key, -			   (char *)creds.keyblock.contents, sizeof(Block)); -		else -		    /* XXX ? */; -	    } else { -		memcpy((char *)session_key, (char *)newkey->contents, -		       sizeof(Block)); -	    } -	    krb5_free_keyblock(newkey); -	} -#endif	/* ENCRYPTION */ -	if (r) { -		if (auth_debug_mode) { -			printf("Kerberos V5: mk_req failed (%s)\r\n", -			       error_message(r)); -		} -		return(0); -	} - -        if (!auth_sendname(UserNameRequested, strlen(UserNameRequested))) { -                if (auth_debug_mode) -                        printf("Not enough room for user name\r\n"); -                return(0); -        } -	if (!Data(ap, KRB_AUTH, auth.data, auth.length)) { -		if (auth_debug_mode) -			printf("Not enough room for authentication data\r\n"); -		return(0); -	} -	if (auth_debug_mode) { -		printf("Sent Kerberos V5 credentials to server\r\n"); -	} -	return(1); -} - -	void -kerberos5_is(ap, data, cnt) -	Authenticator *ap; -	unsigned char *data; -	int cnt; -{ -	int r; -	struct hostent *hp; -	char *p1, *p2; -	static char *realm = NULL; -	krb5_principal server; -	krb5_ap_rep_enc_part reply; -	krb5_data outbuf; -#ifdef ENCRYPTION -	Session_Key skey; -#endif	/* ENCRYPTION */ -	char *name; -	char *getenv(); -	krb5_data inbuf; - -	if (cnt-- < 1) -		return; -	switch (*data++) { -	case KRB_AUTH: -		auth.data = (char *)data; -		auth.length = cnt; - -		if (!(hp = gethostbyname(LocalHostName))) { -			if (auth_debug_mode) -				printf("Cannot resolve local host name\r\n"); -			Data(ap, KRB_REJECT, "Unknown local hostname.", -1); -			auth_finished(ap, AUTH_REJECT); -			return; -		} - -		if (!realm && (krb5_get_default_realm(&realm))) { -			if (auth_debug_mode) -				printf("Could not get default realm\r\n"); -			Data(ap, KRB_REJECT, "Could not get default realm.", -1); -			auth_finished(ap, AUTH_REJECT); -			return; -		} - -		if ((name = malloc(strlen(hp->h_name)+1)) == NULL) { -			if (auth_debug_mode) -				printf("Out of memory for hostname in Kerberos V5\r\n"); -			Data(ap, KRB_REJECT, "Out of memory.", -1); -			auth_finished(ap, AUTH_REJECT); -			return; -		} - -		p1 = hp->h_name; -		p2 = name; - -		while (*p2 = *p1++) { -			if (isupper(*p2)) -				*p2 |= 040; -			++p2; -		} - -		if (authdat) -			krb5_free_tkt_authent(authdat); - -	        r = krb5_build_principal_ext(&server, -					     strlen(realm), realm, -					     4, "host", -					     p2 - name, name, -					     0); -		if (!r) { -		    r = krb5_rd_req_simple(&auth, server, 0, &authdat); -		    krb5_free_principal(server); -		} -		if (r) { -			char errbuf[128]; - -		    errout: -			authdat = 0; -			(void) strcpy(errbuf, "Read req failed: "); -			(void) strcat(errbuf, error_message(r)); -			Data(ap, KRB_REJECT, errbuf, -1); -			if (auth_debug_mode) -				printf("%s\r\n", errbuf); -			return; -		} -		free(name); -		if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) { -		    /* do ap_rep stuff here */ -		    reply.ctime = authdat->authenticator->ctime; -		    reply.cusec = authdat->authenticator->cusec; -		    reply.subkey = 0;	/* use the one he gave us, so don't -					   need to return one here */ -		    reply.seq_number = 0; /* we don't do seq #'s. */ - -		    if (r = krb5_mk_rep(&reply, -					authdat->authenticator->subkey ? -					authdat->authenticator->subkey : -					authdat->ticket->enc_part2->session, -					&outbuf)) { -			goto errout; -		    } -		    Data(ap, KRB_RESPONSE, outbuf.data, outbuf.length); -		}  -		if (krb5_unparse_name(authdat->ticket->enc_part2 ->client, -				      					&name)) -			name = 0; -		Data(ap, KRB_ACCEPT, name, name ? -1 : 0); -		if (auth_debug_mode) { -			printf("Kerberos5 identifies him as ``%s''\r\n", -							name ? name : ""); -		} -                auth_finished(ap, AUTH_USER); -		 -		free(name); -	    	if (authdat->authenticator->subkey && -		    authdat->authenticator->subkey->keytype == KEYTYPE_DES) { -		    bcopy((Voidptr )authdat->authenticator->subkey->contents, -			  (Voidptr )session_key, sizeof(Block)); -		} else if (authdat->ticket->enc_part2->session->keytype == -			   KEYTYPE_DES) { -		    bcopy((Voidptr )authdat->ticket->enc_part2->session->contents, -			  (Voidptr )session_key, sizeof(Block)); -		} else -		    break; -		 -#ifdef ENCRYPTION -		skey.type = SK_DES; -		skey.length = 8; -		skey.data = session_key; -		encrypt_session_key(&skey, 1); -#endif	/* ENCRYPTION */ -		break; -#ifdef	FORWARD -	case KRB_FORWARD: -		inbuf.data = (char *)data; -		inbuf.length = cnt; -		if (r = rd_and_store_for_creds(&inbuf, authdat->ticket,  -					       UserNameRequested)) { -		    char errbuf[128]; -		     -		    (void) strcpy(errbuf, "Read forwarded creds failed: "); -		    (void) strcat(errbuf, error_message(r)); -		    Data(ap, KRB_FORWARD_REJECT, errbuf, -1); -		    if (auth_debug_mode) -		      printf("Could not read forwarded credentials\r\n"); -		} -		else  -		  Data(ap, KRB_FORWARD_ACCEPT, 0, 0); -		  if (auth_debug_mode) -		    printf("Forwarded credentials obtained\r\n"); -		break; -#endif	/* FORWARD */ -	default: -		if (auth_debug_mode) -			printf("Unknown Kerberos option %d\r\n", data[-1]); -		Data(ap, KRB_REJECT, 0, 0); -		break; -	} -} - -	void -kerberos5_reply(ap, data, cnt) -	Authenticator *ap; -	unsigned char *data; -	int cnt; -{ -        Session_Key skey; -	static int mutual_complete = 0; - -	if (cnt-- < 1) -		return; -	switch (*data++) { -	case KRB_REJECT: -		if (cnt > 0) { -			printf("[ Kerberos V5 refuses authentication because %.*s ]\r\n", -				cnt, data); -		} else -			printf("[ Kerberos V5 refuses authentication ]\r\n"); -		auth_send_retry(); -		return; -	case KRB_ACCEPT: -		if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL && -		    !mutual_complete) { -		    printf("[ Kerberos V5 accepted you, but didn't provide mutual authentication! ]\n"); -		    auth_send_retry(); -		    return; -		} -		if (cnt) -		    printf("[ Kerberos V5 accepts you as ``%.*s'' ]\n", cnt, data); -		else -		    printf("[ Kerberos V5 accepts you ]\n"); -		auth_finished(ap, AUTH_USER); -#ifdef	FORWARD -		if (forward_flags & OPTS_FORWARD_CREDS) -		  kerberos5_forward(ap); -#endif	/* FORWARD */ -		break; -	case KRB_RESPONSE: -		if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) { -		    /* the rest of the reply should contain a krb_ap_rep */ -		    krb5_ap_rep_enc_part *reply; -		    krb5_data inbuf; -		    krb5_error_code r; -		    krb5_keyblock tmpkey; - -		    inbuf.length = cnt; -		    inbuf.data = (char *)data; - -		    tmpkey.keytype = KEYTYPE_DES; -		    tmpkey.contents = session_key; -		    tmpkey.length = sizeof(Block); - -		    if (r = krb5_rd_rep(&inbuf, &tmpkey, &reply)) { -			printf("[ Mutual authentication failed: %s ]\n", -			       error_message(r)); -			auth_send_retry(); -			return; -		    } -		    if (reply->ctime != authenticator.ctime || -			reply->cusec != authenticator.cusec) { -			printf("[ Mutual authentication failed (mismatched KRB_AP_REP) ]\n"); -			auth_send_retry(); -			return; -		    } -		    krb5_free_ap_rep_enc_part(reply); -#ifdef	ENCRYPTION -			skey.type = SK_DES; -			skey.length = 8; -			skey.data = session_key; -			encrypt_session_key(&skey, 0); -#endif	/* ENCRYPTION */ -		    mutual_complete = 1; -		} -		return; -#ifdef	FORWARD -	case KRB_FORWARD_ACCEPT: -		printf("[ Kerberos V5 accepted forwarded credentials ]\n"); -		return; -	case KRB_FORWARD_REJECT: -		printf("[ Kerberos V5 refuses forwarded credentials because %.*s ]\r\n", -				cnt, data); -		return; -#endif	/* FORWARD */ -	default: -		if (auth_debug_mode) -			printf("Unknown Kerberos option %d\r\n", data[-1]); -		return; -	} -} - -	int -kerberos5_status(ap, name, level) -	Authenticator *ap; -	char *name; -	int level; -{ -	if (level < AUTH_USER) -		return(level); - -	if (UserNameRequested && -	    krb5_kuserok(authdat->ticket->enc_part2->client, UserNameRequested)) -	{ -		strcpy(name, UserNameRequested); -		return(AUTH_VALID); -	} else -		return(AUTH_USER); -} - -#define	BUMP(buf, len)		while (*(buf)) {++(buf), --(len);} -#define	ADDC(buf, len, c)	if ((len) > 0) {*(buf)++ = (c); --(len);} - -	void -kerberos5_printsub(data, cnt, buf, buflen) -	unsigned char *data, *buf; -	int cnt, buflen; -{ -	char lbuf[32]; -	register int i; - -	buf[buflen-1] = '\0';		/* make sure its NULL terminated */ -	buflen -= 1; - -	switch(data[3]) { -	case KRB_REJECT:		/* Rejected (reason might follow) */ -		strncpy((char *)buf, " REJECT ", buflen); -		goto common; - -	case KRB_ACCEPT:		/* Accepted (name might follow) */ -		strncpy((char *)buf, " ACCEPT ", buflen); -	common: -		BUMP(buf, buflen); -		if (cnt <= 4) -			break; -		ADDC(buf, buflen, '"'); -		for (i = 4; i < cnt; i++) -			ADDC(buf, buflen, data[i]); -		ADDC(buf, buflen, '"'); -		ADDC(buf, buflen, '\0'); -		break; - - -	case KRB_AUTH:			/* Authentication data follows */ -		strncpy((char *)buf, " AUTH", buflen); -		goto common2; - -	case KRB_RESPONSE: -		strncpy((char *)buf, " RESPONSE", buflen); -		goto common2; - -#ifdef	FORWARD -	case KRB_FORWARD:               /* Forwarded credentials follow */ -		strncpy((char *)buf, " FORWARD", buflen); -		goto common2; - -	case KRB_FORWARD_ACCEPT:               /* Forwarded credentials accepted */ -		strncpy((char *)buf, " FORWARD_ACCEPT", buflen); -		goto common2; - -	case KRB_FORWARD_REJECT:               /* Forwarded credentials rejected */ -					       /* (reason might follow) */ -		strncpy((char *)buf, " FORWARD_REJECT", buflen); -		goto common2; -#endif	/* FORWARD */ - -	default: -		sprintf(lbuf, " %d (unknown)", data[3]); -		strncpy((char *)buf, lbuf, buflen); -	common2: -		BUMP(buf, buflen); -		for (i = 4; i < cnt; i++) { -			sprintf(lbuf, " %d", data[i]); -			strncpy((char *)buf, lbuf, buflen); -			BUMP(buf, buflen); -		} -		break; -	} -} - -#ifdef	FORWARD -        void -kerberos5_forward(ap) -     Authenticator *ap; -{ -    struct hostent *hp; -    krb5_creds *local_creds; -    krb5_error_code r; -    krb5_data forw_creds; -    extern krb5_cksumtype krb5_kdc_req_sumtype; -    krb5_ccache ccache; -    int i; - -    if (!(local_creds = (krb5_creds *)  -	  calloc(1, sizeof(*local_creds)))) { -	if (auth_debug_mode)  -	  printf("Kerberos V5: could not allocate memory for credentials\r\n"); -	return; -    } - -    if (r = krb5_sname_to_principal(RemoteHostName, "host", 1, -				    &local_creds->server)) { -	if (auth_debug_mode)  -	  printf("Kerberos V5: could not build server name - %s\r\n", -		 error_message(r)); -	krb5_free_creds(local_creds); -	return; -    } - -    if (r = krb5_cc_default(&ccache)) { -	if (auth_debug_mode)  -	  printf("Kerberos V5: could not get default ccache - %s\r\n", -		 error_message(r)); -	krb5_free_creds(local_creds); -	return; -    } - -    if (r = krb5_cc_get_principal(ccache, &local_creds->client)) { -	if (auth_debug_mode)  -	  printf("Kerberos V5: could not get default principal - %s\r\n", -		 error_message(r)); -	krb5_free_creds(local_creds); -	return; -    } - -    /* Get ticket from credentials cache */ -    if (r = krb5_get_credentials(KRB5_GC_CACHED, ccache, local_creds)) { -	if (auth_debug_mode)  -	  printf("Kerberos V5: could not obtain credentials - %s\r\n", -		 error_message(r)); -	krb5_free_creds(local_creds); -	return; -    } - -    if (r = get_for_creds(ETYPE_DES_CBC_CRC, -			  krb5_kdc_req_sumtype, -			  RemoteHostName, -			  local_creds->client, -			  &local_creds->keyblock, -			  forward_flags & OPTS_FORWARDABLE_CREDS, -			  &forw_creds)) { -	if (auth_debug_mode)  -	  printf("Kerberos V5: error getting forwarded creds - %s\r\n", -		 error_message(r)); -	krb5_free_creds(local_creds); -	return; -    } -     -    /* Send forwarded credentials */ -    if (!Data(ap, KRB_FORWARD, forw_creds.data, forw_creds.length)) { -	if (auth_debug_mode) -	  printf("Not enough room for authentication data\r\n"); -    } -    else { -	if (auth_debug_mode) -	  printf("Forwarded local Kerberos V5 credentials to server\r\n"); -    } - -    krb5_free_creds(local_creds); -} -#endif	/* FORWARD */ - -#endif /* KRB5 */ | 
