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8fca9741fe
There is no longer any theft of memory as the underlying routines now produce a new auth_session_info for this caller, allocating it on the supplied memory context. Andrew Bartlett
133 lines
3.6 KiB
C
133 lines
3.6 KiB
C
/*
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* NTLMSSP Acceptor
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* DCERPC Server functions
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* Copyright (C) Simo Sorce 2010.
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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 "rpc_server/dcesrv_ntlmssp.h"
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#include "../libcli/auth/ntlmssp.h"
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#include "ntlmssp_wrap.h"
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#include "auth.h"
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NTSTATUS ntlmssp_server_auth_start(TALLOC_CTX *mem_ctx,
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bool do_sign,
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bool do_seal,
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bool is_dcerpc,
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DATA_BLOB *token_in,
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DATA_BLOB *token_out,
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const struct tsocket_address *remote_address,
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struct auth_ntlmssp_state **ctx)
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{
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struct auth_ntlmssp_state *a = NULL;
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NTSTATUS status;
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status = auth_ntlmssp_prepare(remote_address, &a);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(0, (__location__ ": auth_ntlmssp_prepare failed: %s\n",
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nt_errstr(status)));
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return status;
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}
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if (do_sign) {
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auth_ntlmssp_want_feature(a, NTLMSSP_FEATURE_SIGN);
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}
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if (do_seal) {
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/* Always implies both sign and seal for ntlmssp */
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auth_ntlmssp_want_feature(a, NTLMSSP_FEATURE_SEAL);
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}
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status = auth_ntlmssp_start(a);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(0, (__location__ ": auth_ntlmssp_start failed: %s\n",
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nt_errstr(status)));
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return status;
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}
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status = auth_ntlmssp_update(a, mem_ctx, *token_in, token_out);
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if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
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DEBUG(0, (__location__ ": auth_ntlmssp_update failed: %s\n",
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nt_errstr(status)));
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goto done;
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}
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/* steal ntlmssp context too */
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*ctx = talloc_move(mem_ctx, &a);
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status = NT_STATUS_OK;
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done:
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if (!NT_STATUS_IS_OK(status)) {
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TALLOC_FREE(a);
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}
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return status;
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}
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NTSTATUS ntlmssp_server_step(struct auth_ntlmssp_state *ctx,
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TALLOC_CTX *mem_ctx,
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DATA_BLOB *token_in,
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DATA_BLOB *token_out)
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{
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NTSTATUS status;
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/* this has to be done as root in order to verify the password */
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become_root();
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status = auth_ntlmssp_update(ctx, mem_ctx, *token_in, token_out);
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unbecome_root();
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return status;
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}
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NTSTATUS ntlmssp_server_check_flags(struct auth_ntlmssp_state *ctx,
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bool do_sign, bool do_seal)
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{
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if (do_sign && !auth_ntlmssp_negotiated_sign(ctx)) {
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DEBUG(1, (__location__ "Integrity was requested but client "
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"failed to negotiate signing.\n"));
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return NT_STATUS_ACCESS_DENIED;
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}
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if (do_seal && !auth_ntlmssp_negotiated_seal(ctx)) {
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DEBUG(1, (__location__ "Privacy was requested but client "
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"failed to negotiate sealing.\n"));
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return NT_STATUS_ACCESS_DENIED;
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}
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return NT_STATUS_OK;
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}
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NTSTATUS ntlmssp_server_get_user_info(struct auth_ntlmssp_state *ctx,
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TALLOC_CTX *mem_ctx,
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struct auth_session_info **session_info)
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{
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NTSTATUS status;
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status = auth_ntlmssp_session_info(mem_ctx, ctx, session_info);
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if (!NT_STATUS_IS_OK(status)) {
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DEBUG(1, (__location__ ": Failed to get authenticated user "
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"info: %s\n", nt_errstr(status)));
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return status;
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}
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DEBUG(5, (__location__ "OK: user: %s domain: %s\n",
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(*session_info)->info->account_name,
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(*session_info)->info->domain_name));
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return NT_STATUS_OK;
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}
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