s3-libads: Remove ads_verify_ticket() as it is now unused

Signed-off-by: Stefan Metzmacher <metze@samba.org>

2 files changed, 0 insertions, 788 deletions

diff --git a/source3/libads/kerberos_proto.h b/source3/libads/kerberos_proto.h
index 094f38dca2..6a7811d652 100644
--- a/source3/libads/kerberos_proto.h
+++ b/source3/libads/kerberos_proto.h
@@ -34,18 +34,6 @@ struct PAC_LOGON_INFO;
 
 #include "libads/ads_status.h"
 
-/* The following definitions come from libads/kerberos_verify.c  */
-
-NTSTATUS ads_verify_ticket(TALLOC_CTX *mem_ctx,
-			   const char *realm,
-			   time_t time_offset,
-			   const DATA_BLOB *ticket,
-			   char **principal,
-			   struct PAC_LOGON_INFO **logon_info,
-			   DATA_BLOB *ap_rep,
-			   DATA_BLOB *session_key,
-			   bool use_replay_cache);
-
 /* The following definitions come from libads/kerberos.c  */
 
 int kerberos_kinit_password_ext(const char *principal,
diff --git a/source3/libads/kerberos_verify.c b/source3/libads/kerberos_verify.c
deleted file mode 100644
index 0c44db988e..0000000000
--- a/source3/libads/kerberos_verify.c
+++ /dev/null
@@ -1,776 +0,0 @@
-/*
-   Unix SMB/CIFS implementation.
-   kerberos utility library
-   Copyright (C) Andrew Tridgell 2001
-   Copyright (C) Remus Koos 2001
-   Copyright (C) Luke Howard 2003
-   Copyright (C) Guenther Deschner 2003, 2005
-   Copyright (C) Jim McDonough (jmcd@us.ibm.com) 2003
-   Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
-   Copyright (C) Jeremy Allison 2007
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "smb_krb5.h"
-#include "libads/kerberos_proto.h"
-#include "secrets.h"
-#include "../librpc/gen_ndr/krb5pac.h"
-
-#ifdef HAVE_KRB5
-
-#if !defined(HAVE_KRB5_PRINC_COMPONENT)
-const krb5_data *krb5_princ_component(krb5_context, krb5_principal, int );
-#endif
-
-static bool ads_dedicated_keytab_verify_ticket(krb5_context context,
-					  krb5_auth_context auth_context,
-					  const DATA_BLOB *ticket,
-					  krb5_ticket **pp_tkt,
-					  krb5_keyblock **keyblock,
-					  krb5_error_code *perr)
-{
-	krb5_error_code ret = 0;
-	bool auth_ok = false;
-	krb5_keytab keytab = NULL;
-	krb5_keytab_entry kt_entry;
-	krb5_ticket *dec_ticket = NULL;
-
-	krb5_data packet;
-	krb5_kvno kvno = 0;
-	krb5_enctype enctype;
-
-	*pp_tkt = NULL;
-	*keyblock = NULL;
-	*perr = 0;
-
-	ZERO_STRUCT(kt_entry);
-
-	ret = smb_krb5_open_keytab(context, lp_dedicated_keytab_file(), false,
-	    &keytab);
-	if (ret) {
-		DEBUG(1, ("smb_krb5_open_keytab failed (%s)\n",
-			error_message(ret)));
-		goto out;
-	}
-
-	packet.length = ticket->length;
-	packet.data = (char *)ticket->data;
-
-	ret = krb5_rd_req(context, &auth_context, &packet, NULL, keytab,
-	    NULL, &dec_ticket);
-	if (ret) {
-		DEBUG(0, ("krb5_rd_req failed (%s)\n", error_message(ret)));
-		goto out;
-	}
-
-#ifdef HAVE_ETYPE_IN_ENCRYPTEDDATA /* Heimdal */
-	enctype = dec_ticket->ticket.key.keytype;
-#else /* MIT */
-	enctype = dec_ticket->enc_part.enctype;
-	kvno    = dec_ticket->enc_part.kvno;
-#endif
-
-	/* Get the key for checking the pac signature */
-	ret = krb5_kt_get_entry(context, keytab, dec_ticket->server,
-				kvno, enctype, &kt_entry);
-	if (ret) {
-		DEBUG(0, ("krb5_kt_get_entry failed (%s)\n",
-			  error_message(ret)));
-		goto out;
-	}
-
-	ret = krb5_copy_keyblock(context, KRB5_KT_KEY(&kt_entry), keyblock);
-	smb_krb5_kt_free_entry(context, &kt_entry);
-
-	if (ret) {
-		DEBUG(0, ("failed to copy key: %s\n",
-			  error_message(ret)));
-		goto out;
-	}
-
-	auth_ok = true;
-	*pp_tkt = dec_ticket;
-	dec_ticket = NULL;
-
-  out:
-	if (dec_ticket)
-		krb5_free_ticket(context, dec_ticket);
-
-	if (keytab)
-		krb5_kt_close(context, keytab);
-
-	*perr = ret;
-	return auth_ok;
-}
-
-/******************************************************************************
- Try to verify a ticket using the system keytab... the system keytab has
- kvno -1 entries, so it's more like what microsoft does... see comment in
- utils/net_ads.c in the ads_keytab_add_entry function for details.
-******************************************************************************/
-
-static bool ads_keytab_verify_ticket(krb5_context context,
-					krb5_auth_context auth_context,
-					const DATA_BLOB *ticket,
-					krb5_ticket **pp_tkt,
-					krb5_keyblock **keyblock,
-					krb5_error_code *perr)
-{
-	krb5_error_code ret = 0;
-	bool auth_ok = False;
-	krb5_keytab keytab = NULL;
-	krb5_kt_cursor kt_cursor;
-	krb5_keytab_entry kt_entry;
-	char *valid_princ_formats[7] = { NULL, NULL, NULL,
-					 NULL, NULL, NULL, NULL };
-	char *entry_princ_s = NULL;
-	fstring my_name, my_fqdn;
-	int i;
-	int number_matched_principals = 0;
-	krb5_data packet;
-	int err;
-
-	*pp_tkt = NULL;
-	*keyblock = NULL;
-	*perr = 0;
-
-	/* Generate the list of principal names which we expect
-	 * clients might want to use for authenticating to the file
-	 * service.  We allow name$,{host,cifs}/{name,fqdn,name.REALM}. */
-
-	fstrcpy(my_name, lp_netbios_name());
-
-	my_fqdn[0] = '\0';
-	name_to_fqdn(my_fqdn, lp_netbios_name());
-
-	err = asprintf(&valid_princ_formats[0],
-			"%s$@%s", my_name, lp_realm());
-	if (err == -1) {
-		goto out;
-	}
-	err = asprintf(&valid_princ_formats[1],
-			"host/%s@%s", my_name, lp_realm());
-	if (err == -1) {
-		goto out;
-	}
-	err = asprintf(&valid_princ_formats[2],
-			"host/%s@%s", my_fqdn, lp_realm());
-	if (err == -1) {
-		goto out;
-	}
-	err = asprintf(&valid_princ_formats[3],
-			"host/%s.%s@%s", my_name, lp_realm(), lp_realm());
-	if (err == -1) {
-		goto out;
-	}
-	err = asprintf(&valid_princ_formats[4],
-			"cifs/%s@%s", my_name, lp_realm());
-	if (err == -1) {
-		goto out;
-	}
-	err = asprintf(&valid_princ_formats[5],
-			"cifs/%s@%s", my_fqdn, lp_realm());
-	if (err == -1) {
-		goto out;
-	}
-	err = asprintf(&valid_princ_formats[6],
-			"cifs/%s.%s@%s", my_name, lp_realm(), lp_realm());
-	if (err == -1) {
-		goto out;
-	}
-
-	ZERO_STRUCT(kt_entry);
-	ZERO_STRUCT(kt_cursor);
-
-	ret = smb_krb5_open_keytab(context, NULL, False, &keytab);
-	if (ret) {
-		DEBUG(1, (__location__ ": smb_krb5_open_keytab failed (%s)\n",
-			  error_message(ret)));
-		goto out;
-	}
-
-	/* Iterate through the keytab.  For each key, if the principal
-	 * name case-insensitively matches one of the allowed formats,
-	 * try verifying the ticket using that principal. */
-
-	ret = krb5_kt_start_seq_get(context, keytab, &kt_cursor);
-	if (ret) {
-		DEBUG(1, (__location__ ": krb5_kt_start_seq_get failed (%s)\n",
-			  error_message(ret)));
-		goto out;
-	}
-  
-	while (!auth_ok &&
-	       (krb5_kt_next_entry(context, keytab,
-				   &kt_entry, &kt_cursor) == 0)) {
-		ret = smb_krb5_unparse_name(talloc_tos(), context,
-					    kt_entry.principal,
-					    &entry_princ_s);
-		if (ret) {
-			DEBUG(1, (__location__ ": smb_krb5_unparse_name "
-				  "failed (%s)\n", error_message(ret)));
-			goto out;
-		}
-
-		for (i = 0; i < ARRAY_SIZE(valid_princ_formats); i++) {
-
-			if (!strequal(entry_princ_s, valid_princ_formats[i])) {
-				continue;
-			}
-
-			number_matched_principals++;
-			packet.length = ticket->length;
-			packet.data = (char *)ticket->data;
-			*pp_tkt = NULL;
-
-			ret = krb5_rd_req_return_keyblock_from_keytab(context,
-						&auth_context, &packet,
-						kt_entry.principal, keytab,
-						NULL, pp_tkt, keyblock);
-
-			if (ret) {
-				DEBUG(10, (__location__ ": krb5_rd_req_return"
-					   "_keyblock_from_keytab(%s) "
-					   "failed: %s\n", entry_princ_s,
-					   error_message(ret)));
-
-				/* workaround for MIT:
-				* as krb5_ktfile_get_entry will explicitly
-				* close the krb5_keytab as soon as krb5_rd_req
-				* has successfully decrypted the ticket but the
-				* ticket is not valid yet (due to clockskew)
-				* there is no point in querying more keytab
-				* entries - Guenther */
-
-				if (ret == KRB5KRB_AP_ERR_TKT_NYV ||
-				    ret == KRB5KRB_AP_ERR_TKT_EXPIRED ||
-				    ret == KRB5KRB_AP_ERR_SKEW) {
-					break;
-				}
-			} else {
-				DEBUG(3, (__location__ ": krb5_rd_req_return"
-					  "_keyblock_from_keytab succeeded "
-					  "for principal %s\n",
-					  entry_princ_s));
-				auth_ok = True;
-				break;
-			}
-		}
-
-		/* Free the name we parsed. */
-		TALLOC_FREE(entry_princ_s);
-
-		/* Free the entry we just read. */
-		smb_krb5_kt_free_entry(context, &kt_entry);
-		ZERO_STRUCT(kt_entry);
-	}
-	krb5_kt_end_seq_get(context, keytab, &kt_cursor);
-
-	ZERO_STRUCT(kt_cursor);
-
-out:
-
-	for (i = 0; i < ARRAY_SIZE(valid_princ_formats); i++) {
-		SAFE_FREE(valid_princ_formats[i]);
-	}
-
-	if (!auth_ok) {
-		if (!number_matched_principals) {
-			DEBUG(3, (__location__ ": no keytab principals "
-				  "matched expected file service name.\n"));
-		} else {
-			DEBUG(3, (__location__ ": krb5_rd_req failed for "
-				  "all %d matched keytab principals\n",
-				  number_matched_principals));
-		}
-	}
-
-	TALLOC_FREE(entry_princ_s);
-
-	{
-		krb5_keytab_entry zero_kt_entry;
-		ZERO_STRUCT(zero_kt_entry);
-		if (memcmp(&zero_kt_entry, &kt_entry,
-			   sizeof(krb5_keytab_entry))) {
-			smb_krb5_kt_free_entry(context, &kt_entry);
-		}
-	}
-
-	{
-		krb5_kt_cursor zero_csr;
-		ZERO_STRUCT(zero_csr);
-		if ((memcmp(&kt_cursor, &zero_csr,
-			    sizeof(krb5_kt_cursor)) != 0) && keytab) {
-			krb5_kt_end_seq_get(context, keytab, &kt_cursor);
-		}
-	}
-
-	if (keytab) {
-		krb5_kt_close(context, keytab);
-	}
-	*perr = ret;
-	return auth_ok;
-}
-
-/*****************************************************************************
- Try to verify a ticket using the secrets.tdb.
-******************************************************************************/
-
-static krb5_error_code ads_secrets_verify_ticket(krb5_context context,
-						krb5_auth_context auth_context,
-						krb5_principal host_princ,
-						const DATA_BLOB *ticket,
-						krb5_ticket **pp_tkt,
-						krb5_keyblock **keyblock,
-						krb5_error_code *perr)
-{
-	krb5_error_code ret = 0;
-	bool auth_ok = False;
-	bool cont = true;
-	char *password_s = NULL;
-	/* Let's make some room for 2 password (old and new)*/
-	krb5_data passwords[2];
-	krb5_enctype enctypes[] = {
-		ENCTYPE_ARCFOUR_HMAC,
-		ENCTYPE_DES_CBC_CRC,
-		ENCTYPE_DES_CBC_MD5,
-		ENCTYPE_NULL
-	};
-	krb5_data packet;
-	int i, j;
-
-	*pp_tkt = NULL;
-	*keyblock = NULL;
-	*perr = 0;
-
-	ZERO_STRUCT(passwords);
-
-	if (!secrets_init()) {
-		DEBUG(1,("ads_secrets_verify_ticket: secrets_init failed\n"));
-		*perr = KRB5_CONFIG_CANTOPEN;
-		return False;
-	}
-
-	password_s = secrets_fetch_machine_password(lp_workgroup(),
-						    NULL, NULL);
-	if (!password_s) {
-		DEBUG(1,(__location__ ": failed to fetch machine password\n"));
-		*perr = KRB5_LIBOS_CANTREADPWD;
-		return False;
-	}
-
-	passwords[0].data = password_s;
-	passwords[0].length = strlen(password_s);
-
-	password_s = secrets_fetch_prev_machine_password(lp_workgroup());
-	if (password_s) {
-		DEBUG(10, (__location__ ": found previous password\n"));
-		passwords[1].data = password_s;
-		passwords[1].length = strlen(password_s);
-	}
-
-	/* CIFS doesn't use addresses in tickets. This would break NAT. JRA */
-
-	packet.length = ticket->length;
-	packet.data = (char *)ticket->data;
-
-	/* We need to setup a auth context with each possible encoding type
-	 * in turn. */
-	for (j=0; j<2 && passwords[j].length; j++) {
-
-		for (i=0;enctypes[i];i++) {
-			krb5_keyblock *key = NULL;
-
-			if (!(key = SMB_MALLOC_P(krb5_keyblock))) {
-				ret = ENOMEM;
-				goto out;
-			}
-
-			if (create_kerberos_key_from_string(context,
-						host_princ, &passwords[j],
-						key, enctypes[i], false)) {
-				SAFE_FREE(key);
-				continue;
-			}
-
-			krb5_auth_con_setuseruserkey(context,
-							auth_context, key);
-
-			if (!(ret = krb5_rd_req(context, &auth_context,
-						&packet, NULL, NULL,
-						NULL, pp_tkt))) {
-				DEBUG(10, (__location__ ": enc type [%u] "
-					   "decrypted message !\n",
-					   (unsigned int)enctypes[i]));
-				auth_ok = True;
-				cont = false;
-				krb5_copy_keyblock(context, key, keyblock);
-				krb5_free_keyblock(context, key);
-				break;
-			}
-
-			DEBUG((ret != KRB5_BAD_ENCTYPE) ? 3 : 10,
-				(__location__ ": enc type [%u] failed to "
-				 "decrypt with error %s\n",
-				 (unsigned int)enctypes[i],
-				 error_message(ret)));
-
-			/* successfully decrypted but ticket is just not
-			 * valid at the moment */
-			if (ret == KRB5KRB_AP_ERR_TKT_NYV ||
-			    ret == KRB5KRB_AP_ERR_TKT_EXPIRED ||
-			    ret == KRB5KRB_AP_ERR_SKEW) {
-				krb5_free_keyblock(context, key);
-				cont = false;
-				break;
-			}
-
-			krb5_free_keyblock(context, key);
-		}
-		if (!cont) {
-			/* If we found a valid pass then no need to try
-			 * the next one or we have invalid ticket so no need
-			 * to try next password*/
-			break;
-		}
-	}
-
- out:
-	SAFE_FREE(passwords[0].data);
-	SAFE_FREE(passwords[1].data);
-	*perr = ret;
-	return auth_ok;
-}
-
-/*****************************************************************************
- Verify an incoming ticket and parse out the principal name and
- authorization_data if available.
-******************************************************************************/
-
-NTSTATUS ads_verify_ticket(TALLOC_CTX *mem_ctx,
-			   const char *realm,
-			   time_t time_offset,
-			   const DATA_BLOB *ticket,
-			   char **principal,
-			   struct PAC_LOGON_INFO **logon_info,
-			   DATA_BLOB *ap_rep,
-			   DATA_BLOB *session_key,
-			   bool use_replay_cache)
-{
-	NTSTATUS sret = NT_STATUS_LOGON_FAILURE;
-	NTSTATUS pac_ret;
-	DATA_BLOB auth_data;
-	krb5_context context = NULL;
-	krb5_auth_context auth_context = NULL;
-	krb5_data packet;
-	krb5_ticket *tkt = NULL;
-	krb5_rcache rcache = NULL;
-	krb5_keyblock *keyblock = NULL;
-	time_t authtime;
-	krb5_error_code ret = 0;
-	int flags = 0;
-	krb5_principal host_princ = NULL;
-	krb5_const_principal client_principal = NULL;
-	char *host_princ_s = NULL;
-	bool auth_ok = False;
-	bool got_auth_data = False;
-	struct named_mutex *mutex = NULL;
-
-	ZERO_STRUCT(packet);
-	ZERO_STRUCT(auth_data);
-
-	*principal = NULL;
-	*logon_info = NULL;
-	*ap_rep = data_blob_null;
-	*session_key = data_blob_null;
-
-	initialize_krb5_error_table();
-	ret = krb5_init_context(&context);
-	if (ret) {
-		DEBUG(1, (__location__ ": krb5_init_context failed (%s)\n",
-			  error_message(ret)));
-		return NT_STATUS_LOGON_FAILURE;
-	}
-
-	if (time_offset != 0) {
-		krb5_set_real_time(context, time(NULL) + time_offset, 0);
-	}
-
-	ret = krb5_set_default_realm(context, realm);
-	if (ret) {
-		DEBUG(1, (__location__ ": krb5_set_default_realm "
-			  "failed (%s)\n", error_message(ret)));
-		goto out;
-	}
-
-	/* This whole process is far more complex than I would
-           like. We have to go through all this to allow us to store
-           the secret internally, instead of using /etc/krb5.keytab */
-
-	ret = krb5_auth_con_init(context, &auth_context);
-	if (ret) {
-		DEBUG(1, (__location__ ": krb5_auth_con_init failed (%s)\n",
-			  error_message(ret)));
-		goto out;
-	}
-
-	krb5_auth_con_getflags( context, auth_context, &flags );
-	if ( !use_replay_cache ) {
-		/* Disable default use of a replay cache */
-		flags &= ~KRB5_AUTH_CONTEXT_DO_TIME;
-		krb5_auth_con_setflags( context, auth_context, flags );
-	}
-
-	if (asprintf(&host_princ_s, "%s$", lp_netbios_name()) == -1) {
-		goto out;
-	}
-
-	strlower_m(host_princ_s);
-	ret = smb_krb5_parse_name(context, host_princ_s, &host_princ);
-	if (ret) {
-		DEBUG(1, (__location__ ": smb_krb5_parse_name(%s) "
-			  "failed (%s)\n", host_princ_s, error_message(ret)));
-		goto out;
-	}
-
-
-	if (use_replay_cache) {
-
-		/* Lock a mutex surrounding the replay as there is no
-		   locking in the MIT krb5 code surrounding the replay
-		   cache... */
-
-		mutex = grab_named_mutex(talloc_tos(),
-					 "replay cache mutex", 10);
-		if (mutex == NULL) {
-			DEBUG(1, (__location__ ": unable to protect replay "
-				  "cache with mutex.\n"));
-			ret = KRB5_CC_IO;
-			goto out;
-		}
-
-		/* JRA. We must set the rcache here. This will prevent
-		   replay attacks. */
-
-		ret = krb5_get_server_rcache(
-				context,
-				krb5_princ_component(context, host_princ, 0),
-				&rcache);
-		if (ret) {
-			DEBUG(1, (__location__ ": krb5_get_server_rcache "
-				  "failed (%s)\n", error_message(ret)));
-			goto out;
-		}
-
-		ret = krb5_auth_con_setrcache(context, auth_context, rcache);
-		if (ret) {
-			DEBUG(1, (__location__ ": krb5_auth_con_setrcache "
-				  "failed (%s)\n", error_message(ret)));
-			goto out;
-		}
-	}
-
-	switch (lp_kerberos_method()) {
-	default:
-	case KERBEROS_VERIFY_SECRETS:
-		auth_ok = ads_secrets_verify_ticket(context, auth_context,
-		    host_princ, ticket, &tkt, &keyblock, &ret);
-		break;
-	case KERBEROS_VERIFY_SYSTEM_KEYTAB:
-		auth_ok = ads_keytab_verify_ticket(context, auth_context,
-		    ticket, &tkt, &keyblock, &ret);
-		break;
-	case KERBEROS_VERIFY_DEDICATED_KEYTAB:
-		auth_ok = ads_dedicated_keytab_verify_ticket(context,
-		    auth_context, ticket, &tkt, &keyblock, &ret);
-		break;
-	case KERBEROS_VERIFY_SECRETS_AND_KEYTAB:
-		/* First try secrets.tdb and fallback to the krb5.keytab if
-		   necessary.  This is the pre 3.4 behavior when
-		   "use kerberos keytab" was true.*/
-		auth_ok = ads_secrets_verify_ticket(context, auth_context,
-		    host_princ, ticket, &tkt, &keyblock, &ret);
-
-		if (!auth_ok) {
-			/* Only fallback if we failed to decrypt the ticket */
-			if (ret != KRB5KRB_AP_ERR_TKT_NYV &&
-			    ret != KRB5KRB_AP_ERR_TKT_EXPIRED &&
-			    ret != KRB5KRB_AP_ERR_SKEW) {
-				auth_ok = ads_keytab_verify_ticket(context,
-				    auth_context, ticket, &tkt, &keyblock,
-				    &ret);
-			}
-		}
-		break;
-	}
-
-	if (use_replay_cache) {
-		TALLOC_FREE(mutex);
-#if 0
-		/* Heimdal leaks here, if we fix the leak, MIT crashes */
-		if (rcache) {
-			krb5_rc_close(context, rcache);
-		}
-#endif
-	}
-
-	if (!auth_ok) {
-		DEBUG(3, (__location__ ": krb5_rd_req with auth "
-			  "failed (%s)\n", error_message(ret)));
-		/* Try map the error return in case it's something like
-		 * a clock skew error.
-		 */
-		sret = krb5_to_nt_status(ret);
-		if (NT_STATUS_IS_OK(sret) ||
-		    NT_STATUS_EQUAL(sret,NT_STATUS_UNSUCCESSFUL)) {
-			sret = NT_STATUS_LOGON_FAILURE;
-		}
-		DEBUG(10, (__location__ ": returning error %s\n",
-			   nt_errstr(sret) ));
-		goto out;
-	}
-
-	authtime = get_authtime_from_tkt(tkt);
-	client_principal = get_principal_from_tkt(tkt);
-
-	ret = krb5_mk_rep(context, auth_context, &packet);
-	if (ret) {
-		DEBUG(3, (__location__ ": Failed to generate mutual "
-			  "authentication reply (%s)\n", error_message(ret)));
-		goto out;
-	}
-
-	*ap_rep = data_blob(packet.data, packet.length);
-	if (packet.data) {
-		kerberos_free_data_contents(context, &packet);
-		ZERO_STRUCT(packet);
-	}
-
-	get_krb5_smb_session_key(mem_ctx, context,
-				 auth_context, session_key, true);
-	dump_data_pw("SMB session key (from ticket)\n",
-		     session_key->data, session_key->length);
-
-#if 0
-	file_save("/tmp/ticket.dat", ticket->data, ticket->length);
-#endif
-
-	/* continue when no PAC is retrieved or we couldn't decode the PAC
-	   (like accounts that have the UF_NO_AUTH_DATA_REQUIRED flag set, or
-	   Kerberos tickets encrypted using a DES key) - Guenther */
-
-	got_auth_data = get_auth_data_from_tkt(mem_ctx, &auth_data, tkt);
-	if (!got_auth_data) {
-		DEBUG(3, (__location__ ": did not retrieve auth data. "
-			  "continuing without PAC\n"));
-	}
-
-	if (got_auth_data) {
-		struct PAC_DATA *pac_data;
-		pac_ret = kerberos_decode_pac(mem_ctx, auth_data, context,
-					      NULL, keyblock, client_principal,
-					      authtime, &pac_data);
-		data_blob_free(&auth_data);
-		if (!NT_STATUS_IS_OK(pac_ret)) {
-			DEBUG(3, (__location__ ": failed to decode "
-				  "PAC_DATA: %s\n", nt_errstr(pac_ret)));
-		} else {
-			uint32_t i;
-			for (i = 0; i < pac_data->num_buffers; i++) {
-
-				if (pac_data->buffers[i].type != PAC_TYPE_LOGON_INFO) {
-					continue;
-				}
-
-				*logon_info = pac_data->buffers[i].info->logon_info.info;
-			}
-
-			if (!*logon_info) {
-				DEBUG(1, ("correctly decoded PAC but found "
-					  "no logon_info! "
-					  "This should not happen\n"));
-				return NT_STATUS_INVALID_USER_BUFFER;
-			}
-		}
-	}
-
-#if 0
-#if defined(HAVE_KRB5_TKT_ENC_PART2)
-	/* MIT */
-	if (tkt->enc_part2) {
-		file_save("/tmp/authdata.dat",
-			  tkt->enc_part2->authorization_data[0]->contents,
-			  tkt->enc_part2->authorization_data[0]->length);
-	}
-#else
-	/* Heimdal */
-	if (tkt->ticket.authorization_data) {
-		file_save("/tmp/authdata.dat",
-			  tkt->ticket.authorization_data->val->ad_data.data,
-			  tkt->ticket.authorization_data->val->ad_data.length);
-	}
-#endif
-#endif
-
-	ret = smb_krb5_unparse_name(mem_ctx, context,
-				    client_principal, principal);
-	if (ret) {
-		DEBUG(3, (__location__ ": smb_krb5_unparse_name "
-			  "failed (%s)\n", error_message(ret)));
-		sret = NT_STATUS_LOGON_FAILURE;
-		goto out;
-	}
-
-	sret = NT_STATUS_OK;
-
-out:
-
-	TALLOC_FREE(mutex);
-
-	if (!NT_STATUS_IS_OK(sret)) {
-		data_blob_free(&auth_data);
-	}
-
-	if (!NT_STATUS_IS_OK(sret)) {
-		data_blob_free(ap_rep);
-	}
-
-	if (host_princ) {
-		krb5_free_principal(context, host_princ);
-	}
-
-	if (keyblock) {
-		krb5_free_keyblock(context, keyblock);
-	}
-
-	if (tkt != NULL) {
-		krb5_free_ticket(context, tkt);
-	}
-
-	SAFE_FREE(host_princ_s);
-
-	if (auth_context) {
-		krb5_auth_con_free(context, auth_context);
-	}
-
-	if (context) {
-		krb5_free_context(context);
-	}
-
-	return sret;
-}
-
-#endif /* HAVE_KRB5 */