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108 lines
2.8 KiB
C
108 lines
2.8 KiB
C
/*
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Unix SMB/CIFS implementation.
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krb5 set password implementation
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Copyright (C) Andrew Tridgell 2001
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "smb_krb5.h"
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#include "ads.h"
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#ifdef HAVE_KRB5
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/**
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* Set the machine account password
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* @param ads connection to ads server
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* @param hostname machine whose password is being set
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* @param password new password
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* @return status of password change
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**/
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ADS_STATUS ads_set_machine_password(ADS_STRUCT *ads,
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const char *machine_account,
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const char *password)
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{
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ADS_STATUS status;
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char *principal = NULL;
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/*
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we need to use the '$' form of the name here (the machine account name),
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as otherwise the server might end up setting the password for a user
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instead
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*/
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if (asprintf(&principal, "%s@%s", machine_account, ads->config.realm) < 0) {
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return ADS_ERROR_NT(NT_STATUS_NO_MEMORY);
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}
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status = ads_krb5_set_password(ads->auth.kdc_server, principal,
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password, ads->auth.time_offset);
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SAFE_FREE(principal);
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return status;
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}
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/* run kinit to setup our ccache */
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int ads_kinit_password(ADS_STRUCT *ads)
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{
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char *s;
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int ret;
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const char *account_name;
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fstring acct_name;
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if (ads->auth.flags & ADS_AUTH_USER_CREDS) {
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account_name = ads->auth.user_name;
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goto got_accountname;
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}
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if ( IS_DC ) {
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/* this will end up getting a ticket for DOMAIN@RUSTED.REA.LM */
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account_name = lp_workgroup();
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} else {
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/* always use the sAMAccountName for security = domain */
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/* global_myname()$@REA.LM */
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if ( lp_security() == SEC_DOMAIN ) {
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fstr_sprintf( acct_name, "%s$", global_myname() );
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account_name = acct_name;
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}
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else
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/* This looks like host/global_myname()@REA.LM */
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account_name = ads->auth.user_name;
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}
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got_accountname:
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if (asprintf(&s, "%s@%s", account_name, ads->auth.realm) == -1) {
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return KRB5_CC_NOMEM;
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}
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if (!ads->auth.password) {
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SAFE_FREE(s);
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return KRB5_LIBOS_CANTREADPWD;
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}
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ret = kerberos_kinit_password_ext(s, ads->auth.password, ads->auth.time_offset,
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&ads->auth.tgt_expire, NULL, NULL, False, False, ads->auth.renewable,
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NULL);
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if (ret) {
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DEBUG(0,("kerberos_kinit_password %s failed: %s\n",
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s, error_message(ret)));
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}
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SAFE_FREE(s);
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return ret;
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}
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#endif
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