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https://github.com/samba-team/samba.git
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2be39c1866
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
118 lines
3.5 KiB
C
118 lines
3.5 KiB
C
/*
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* Unix SMB/CIFS implementation.
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* Routines to operate on various trust relationships
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* Copyright (C) Andrew Bartlett 2001
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* Copyright (C) Rafal Szczesniak 2003
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*
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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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*
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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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*
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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 "../libcli/auth/libcli_auth.h"
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#include "rpc_client/cli_netlogon.h"
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#include "rpc_client/cli_pipe.h"
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#include "../librpc/gen_ndr/ndr_netlogon.h"
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#include "secrets.h"
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#include "passdb.h"
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#include "libsmb/libsmb.h"
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/*********************************************************
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Change the domain password on the PDC.
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Do most of the legwork ourselfs. Caller must have
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already setup the connection to the NETLOGON pipe
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**********************************************************/
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NTSTATUS trust_pw_find_change_and_store_it(struct rpc_pipe_client *cli,
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TALLOC_CTX *mem_ctx,
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const char *domain)
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{
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unsigned char old_trust_passwd_hash[16];
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unsigned char new_trust_passwd_hash[16];
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enum netr_SchannelType sec_channel_type = SEC_CHAN_NULL;
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const char *account_name;
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char *new_trust_passwd;
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NTSTATUS nt_status;
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if (!get_trust_pw_hash(domain, old_trust_passwd_hash, &account_name,
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&sec_channel_type)) {
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DEBUG(0, ("could not fetch domain secrets for domain %s!\n", domain));
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return NT_STATUS_UNSUCCESSFUL;
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}
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switch (sec_channel_type) {
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case SEC_CHAN_WKSTA:
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case SEC_CHAN_DOMAIN:
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break;
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default:
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return NT_STATUS_NOT_SUPPORTED;
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}
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/* Create a random machine account password */
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new_trust_passwd = generate_random_password(mem_ctx,
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DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH,
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DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
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if (new_trust_passwd == NULL) {
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DEBUG(0, ("generate_random_password failed\n"));
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return NT_STATUS_NO_MEMORY;
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}
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E_md4hash(new_trust_passwd, new_trust_passwd_hash);
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nt_status = rpccli_netlogon_set_trust_password(cli, mem_ctx,
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account_name,
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old_trust_passwd_hash,
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new_trust_passwd,
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new_trust_passwd_hash,
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sec_channel_type);
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if (NT_STATUS_IS_OK(nt_status)) {
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DEBUG(3,("%s : trust_pw_change_and_store_it: Changed password.\n",
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current_timestring(talloc_tos(), False)));
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/*
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* Return the result of trying to write the new password
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* back into the trust account file.
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*/
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switch (sec_channel_type) {
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case SEC_CHAN_WKSTA:
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if (!secrets_store_machine_password(new_trust_passwd, domain, sec_channel_type)) {
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nt_status = NT_STATUS_UNSUCCESSFUL;
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}
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break;
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case SEC_CHAN_DOMAIN: {
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char *pwd;
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struct dom_sid sid;
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time_t pass_last_set_time;
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/* we need to get the sid first for the
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* pdb_set_trusteddom_pw call */
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if (!pdb_get_trusteddom_pw(domain, &pwd, &sid, &pass_last_set_time)) {
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nt_status = NT_STATUS_TRUSTED_RELATIONSHIP_FAILURE;
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}
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if (!pdb_set_trusteddom_pw(domain, new_trust_passwd, &sid)) {
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nt_status = NT_STATUS_INTERNAL_DB_CORRUPTION;
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}
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break;
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}
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default:
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break;
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}
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}
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return nt_status;
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}
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