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060b155cd2
Major points of interest:
* Figure the DES salt based on the domain functional level
and UPN (if present and applicable)
* Only deal with the DES-CBC-MD5, DES-CBC-CRC, and RC4-HMAC
keys
* Remove all the case permutations in the keytab entry
generation (to be partially re-added only if necessary).
* Generate keytab entries based on the existing SPN values
in AD
The resulting keytab looks like:
ktutil: list -e
slot KVNO Principal
---- ---- ---------------------------------------------------------------------
1 6 host/suse10.plainjoe.org@COLOR.PLAINJOE.ORG (DES cbc mode with CRC-32)
2 6 host/suse10.plainjoe.org@COLOR.PLAINJOE.ORG (DES cbc mode with RSA-MD5)
3 6 host/suse10.plainjoe.org@COLOR.PLAINJOE.ORG (ArcFour with HMAC/md5)
4 6 host/suse10@COLOR.PLAINJOE.ORG (DES cbc mode with CRC-32)
5 6 host/suse10@COLOR.PLAINJOE.ORG (DES cbc mode with RSA-MD5)
6 6 host/suse10@COLOR.PLAINJOE.ORG (ArcFour with HMAC/md5)
7 6 suse10$@COLOR.PLAINJOE.ORG (DES cbc mode with CRC-32)
8 6 suse10$@COLOR.PLAINJOE.ORG (DES cbc mode with RSA-MD5)
9 6 suse10$@COLOR.PLAINJOE.ORG (ArcFour with HMAC/md5)
The list entries are the two basic SPN values (host/NetBIOSName & host/dNSHostName)
and the sAMAccountName value. The UPN will be added as well if the machine has
one. This fixes 'kinit -k'.
Tested keytab using mod_auth_krb and MIT's telnet. ads_verify_ticket()
continues to work with RC4-HMAC and DES keys.
(This used to be commit 6261dd3c67)
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
/*
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Unix SMB/CIFS implementation.
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krb5 set password implementation
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Copyright (C) Remus Koos 2001 (remuskoos@yahoo.com)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#ifdef HAVE_KRB5
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ADS_STATUS ads_change_trust_account_password(ADS_STRUCT *ads, char *host_principal)
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{
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char *password;
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char *new_password;
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ADS_STATUS ret;
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uint32 sec_channel_type;
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if ((password = secrets_fetch_machine_password(lp_workgroup(), NULL, &sec_channel_type)) == NULL) {
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DEBUG(1,("Failed to retrieve password for principal %s\n", host_principal));
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return ADS_ERROR_SYSTEM(ENOENT);
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}
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new_password = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
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ret = kerberos_set_password(ads->auth.kdc_server, host_principal, password, host_principal, new_password, ads->auth.time_offset);
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if (!ADS_ERR_OK(ret)) {
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goto failed;
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}
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if (!secrets_store_machine_password(new_password, lp_workgroup(), sec_channel_type)) {
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DEBUG(1,("Failed to save machine password\n"));
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ret = ADS_ERROR_SYSTEM(EACCES);
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goto failed;
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}
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failed:
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SAFE_FREE(password);
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return ret;
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}
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#endif
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