mirror of
https://github.com/samba-team/samba.git
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d0bca41f48
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
779 lines
21 KiB
C
779 lines
21 KiB
C
/*
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Unix SMB/CIFS implementation.
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FS info functions
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Copyright (C) Stefan (metze) Metzmacher 2003
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Copyright (C) Jeremy Allison 2007
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Copyright (C) Andrew Bartlett 2011
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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 "libsmb/libsmb.h"
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#include "../libcli/auth/spnego.h"
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#include "../auth/ntlmssp/ntlmssp.h"
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#include "../lib/util/tevent_ntstatus.h"
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#include "async_smb.h"
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#include "../libcli/smb/smb_seal.h"
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#include "trans2.h"
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#include "auth_generic.h"
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#include "auth/gensec/gensec.h"
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#include "../libcli/smb/smbXcli_base.h"
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#include "auth/credentials/credentials.h"
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/****************************************************************************
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Get UNIX extensions version info.
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****************************************************************************/
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struct cli_unix_extensions_version_state {
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struct cli_state *cli;
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uint16_t setup[1];
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uint8_t param[2];
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uint16_t major, minor;
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uint32_t caplow, caphigh;
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};
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static void cli_unix_extensions_version_done(struct tevent_req *subreq);
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struct tevent_req *cli_unix_extensions_version_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct cli_state *cli)
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{
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struct tevent_req *req, *subreq;
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struct cli_unix_extensions_version_state *state;
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req = tevent_req_create(mem_ctx, &state,
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struct cli_unix_extensions_version_state);
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if (req == NULL) {
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return NULL;
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}
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state->cli = cli;
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SSVAL(state->setup, 0, TRANSACT2_QFSINFO);
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SSVAL(state->param, 0, SMB_QUERY_CIFS_UNIX_INFO);
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subreq = cli_trans_send(state, ev, cli, SMBtrans2,
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NULL, 0, 0, 0,
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state->setup, 1, 0,
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state->param, 2, 0,
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NULL, 0, 560);
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if (tevent_req_nomem(subreq, req)) {
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return tevent_req_post(req, ev);
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}
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tevent_req_set_callback(subreq, cli_unix_extensions_version_done, req);
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return req;
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}
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static void cli_unix_extensions_version_done(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct cli_unix_extensions_version_state *state = tevent_req_data(
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req, struct cli_unix_extensions_version_state);
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uint8_t *data;
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uint32_t num_data;
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NTSTATUS status;
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status = cli_trans_recv(subreq, state, NULL, NULL, 0, NULL,
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NULL, 0, NULL, &data, 12, &num_data);
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TALLOC_FREE(subreq);
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if (!NT_STATUS_IS_OK(status)) {
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tevent_req_nterror(req, status);
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return;
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}
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state->major = SVAL(data, 0);
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state->minor = SVAL(data, 2);
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state->caplow = IVAL(data, 4);
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state->caphigh = IVAL(data, 8);
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TALLOC_FREE(data);
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tevent_req_done(req);
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}
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NTSTATUS cli_unix_extensions_version_recv(struct tevent_req *req,
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uint16_t *pmajor, uint16_t *pminor,
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uint32_t *pcaplow,
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uint32_t *pcaphigh)
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{
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struct cli_unix_extensions_version_state *state = tevent_req_data(
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req, struct cli_unix_extensions_version_state);
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NTSTATUS status;
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if (tevent_req_is_nterror(req, &status)) {
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return status;
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}
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*pmajor = state->major;
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*pminor = state->minor;
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*pcaplow = state->caplow;
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*pcaphigh = state->caphigh;
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state->cli->server_posix_capabilities = *pcaplow;
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return NT_STATUS_OK;
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}
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NTSTATUS cli_unix_extensions_version(struct cli_state *cli, uint16 *pmajor,
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uint16 *pminor, uint32 *pcaplow,
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uint32 *pcaphigh)
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{
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TALLOC_CTX *frame = talloc_stackframe();
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struct tevent_context *ev;
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struct tevent_req *req;
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NTSTATUS status = NT_STATUS_OK;
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if (smbXcli_conn_has_async_calls(cli->conn)) {
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/*
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* Can't use sync call while an async call is in flight
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*/
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status = NT_STATUS_INVALID_PARAMETER;
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goto fail;
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}
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ev = samba_tevent_context_init(frame);
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if (ev == NULL) {
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status = NT_STATUS_NO_MEMORY;
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goto fail;
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}
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req = cli_unix_extensions_version_send(frame, ev, cli);
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if (req == NULL) {
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status = NT_STATUS_NO_MEMORY;
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goto fail;
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}
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if (!tevent_req_poll(req, ev)) {
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status = map_nt_error_from_unix(errno);
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goto fail;
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}
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status = cli_unix_extensions_version_recv(req, pmajor, pminor, pcaplow,
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pcaphigh);
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fail:
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TALLOC_FREE(frame);
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return status;
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}
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/****************************************************************************
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Set UNIX extensions capabilities.
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****************************************************************************/
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struct cli_set_unix_extensions_capabilities_state {
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struct cli_state *cli;
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uint16_t setup[1];
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uint8_t param[4];
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uint8_t data[12];
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};
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static void cli_set_unix_extensions_capabilities_done(
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struct tevent_req *subreq);
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struct tevent_req *cli_set_unix_extensions_capabilities_send(
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TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct cli_state *cli,
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uint16_t major, uint16_t minor, uint32_t caplow, uint32_t caphigh)
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{
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struct tevent_req *req, *subreq;
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struct cli_set_unix_extensions_capabilities_state *state;
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req = tevent_req_create(
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mem_ctx, &state,
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struct cli_set_unix_extensions_capabilities_state);
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if (req == NULL) {
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return NULL;
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}
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state->cli = cli;
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SSVAL(state->setup+0, 0, TRANSACT2_SETFSINFO);
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SSVAL(state->param, 0, 0);
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SSVAL(state->param, 2, SMB_SET_CIFS_UNIX_INFO);
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SSVAL(state->data, 0, major);
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SSVAL(state->data, 2, minor);
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SIVAL(state->data, 4, caplow);
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SIVAL(state->data, 8, caphigh);
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subreq = cli_trans_send(state, ev, cli, SMBtrans2,
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NULL, 0, 0, 0,
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state->setup, 1, 0,
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state->param, 4, 0,
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state->data, 12, 560);
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if (tevent_req_nomem(subreq, req)) {
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return tevent_req_post(req, ev);
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}
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tevent_req_set_callback(
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subreq, cli_set_unix_extensions_capabilities_done, req);
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return req;
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}
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static void cli_set_unix_extensions_capabilities_done(
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struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct cli_set_unix_extensions_capabilities_state *state = tevent_req_data(
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req, struct cli_set_unix_extensions_capabilities_state);
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NTSTATUS status = cli_trans_recv(subreq, NULL, NULL, NULL, 0, NULL,
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NULL, 0, NULL, NULL, 0, NULL);
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if (NT_STATUS_IS_OK(status)) {
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state->cli->requested_posix_capabilities = IVAL(state->data, 4);
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}
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tevent_req_simple_finish_ntstatus(subreq, status);
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}
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NTSTATUS cli_set_unix_extensions_capabilities_recv(struct tevent_req *req)
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{
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return tevent_req_simple_recv_ntstatus(req);
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}
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NTSTATUS cli_set_unix_extensions_capabilities(struct cli_state *cli,
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uint16 major, uint16 minor,
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uint32 caplow, uint32 caphigh)
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{
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struct tevent_context *ev;
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struct tevent_req *req;
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NTSTATUS status = NT_STATUS_NO_MEMORY;
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if (smbXcli_conn_has_async_calls(cli->conn)) {
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return NT_STATUS_INVALID_PARAMETER;
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}
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ev = samba_tevent_context_init(talloc_tos());
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if (ev == NULL) {
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goto fail;
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}
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req = cli_set_unix_extensions_capabilities_send(
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ev, ev, cli, major, minor, caplow, caphigh);
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if (req == NULL) {
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goto fail;
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}
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if (!tevent_req_poll_ntstatus(req, ev, &status)) {
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goto fail;
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}
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status = cli_set_unix_extensions_capabilities_recv(req);
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fail:
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TALLOC_FREE(ev);
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return status;
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}
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struct cli_get_fs_attr_info_state {
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uint16_t setup[1];
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uint8_t param[2];
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uint32_t fs_attr;
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};
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static void cli_get_fs_attr_info_done(struct tevent_req *subreq);
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struct tevent_req *cli_get_fs_attr_info_send(TALLOC_CTX *mem_ctx,
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struct tevent_context *ev,
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struct cli_state *cli)
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{
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struct tevent_req *subreq, *req;
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struct cli_get_fs_attr_info_state *state;
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req = tevent_req_create(mem_ctx, &state,
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struct cli_get_fs_attr_info_state);
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if (req == NULL) {
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return NULL;
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}
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SSVAL(state->setup+0, 0, TRANSACT2_QFSINFO);
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SSVAL(state->param+0, 0, SMB_QUERY_FS_ATTRIBUTE_INFO);
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subreq = cli_trans_send(state, ev, cli, SMBtrans2,
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NULL, 0, 0, 0,
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state->setup, 1, 0,
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state->param, 2, 0,
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NULL, 0, 560);
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if (tevent_req_nomem(subreq, req)) {
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return tevent_req_post(req, ev);
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}
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tevent_req_set_callback(subreq, cli_get_fs_attr_info_done, req);
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return req;
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}
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static void cli_get_fs_attr_info_done(struct tevent_req *subreq)
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{
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struct tevent_req *req = tevent_req_callback_data(
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subreq, struct tevent_req);
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struct cli_get_fs_attr_info_state *state = tevent_req_data(
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req, struct cli_get_fs_attr_info_state);
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uint8_t *data;
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uint32_t num_data;
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NTSTATUS status;
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status = cli_trans_recv(subreq, talloc_tos(), NULL, NULL, 0, NULL,
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NULL, 0, NULL, &data, 12, &num_data);
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TALLOC_FREE(subreq);
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if (!NT_STATUS_IS_OK(status)) {
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tevent_req_nterror(req, status);
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return;
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}
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state->fs_attr = IVAL(data, 0);
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TALLOC_FREE(data);
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tevent_req_done(req);
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}
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NTSTATUS cli_get_fs_attr_info_recv(struct tevent_req *req, uint32_t *fs_attr)
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{
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struct cli_get_fs_attr_info_state *state = tevent_req_data(
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req, struct cli_get_fs_attr_info_state);
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NTSTATUS status;
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if (tevent_req_is_nterror(req, &status)) {
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return status;
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}
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*fs_attr = state->fs_attr;
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return NT_STATUS_OK;
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}
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NTSTATUS cli_get_fs_attr_info(struct cli_state *cli, uint32_t *fs_attr)
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{
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struct tevent_context *ev;
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struct tevent_req *req;
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NTSTATUS status = NT_STATUS_NO_MEMORY;
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if (smbXcli_conn_has_async_calls(cli->conn)) {
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return NT_STATUS_INVALID_PARAMETER;
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}
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ev = samba_tevent_context_init(talloc_tos());
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if (ev == NULL) {
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goto fail;
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}
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req = cli_get_fs_attr_info_send(ev, ev, cli);
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if (req == NULL) {
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goto fail;
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}
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if (!tevent_req_poll_ntstatus(req, ev, &status)) {
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goto fail;
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}
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status = cli_get_fs_attr_info_recv(req, fs_attr);
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fail:
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TALLOC_FREE(ev);
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return status;
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}
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NTSTATUS cli_get_fs_volume_info(struct cli_state *cli,
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TALLOC_CTX *mem_ctx,
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char **_volume_name,
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uint32_t *pserial_number,
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time_t *pdate)
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{
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NTSTATUS status;
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uint16_t recv_flags2;
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uint16_t setup[1];
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uint8_t param[2];
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uint8_t *rdata;
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uint32_t rdata_count;
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unsigned int nlen;
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char *volume_name = NULL;
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SSVAL(setup, 0, TRANSACT2_QFSINFO);
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SSVAL(param,0,SMB_QUERY_FS_VOLUME_INFO);
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status = cli_trans(talloc_tos(), cli, SMBtrans2,
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NULL, 0, 0, 0,
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setup, 1, 0,
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param, 2, 0,
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NULL, 0, 560,
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&recv_flags2,
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NULL, 0, NULL,
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NULL, 0, NULL,
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&rdata, 18, &rdata_count);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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if (pdate) {
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struct timespec ts;
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ts = interpret_long_date((char *)rdata);
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*pdate = ts.tv_sec;
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}
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if (pserial_number) {
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*pserial_number = IVAL(rdata,8);
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}
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nlen = IVAL(rdata,12);
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if (nlen > (rdata_count - 18)) {
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TALLOC_FREE(rdata);
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return NT_STATUS_INVALID_NETWORK_RESPONSE;
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}
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clistr_pull_talloc(mem_ctx,
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(const char *)rdata,
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recv_flags2,
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&volume_name,
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rdata + 18,
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nlen, STR_UNICODE);
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if (volume_name == NULL) {
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status = map_nt_error_from_unix(errno);
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TALLOC_FREE(rdata);
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return status;
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}
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/* todo: but not yet needed
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* return the other stuff
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*/
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*_volume_name = volume_name;
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TALLOC_FREE(rdata);
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return NT_STATUS_OK;
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}
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NTSTATUS cli_get_fs_full_size_info(struct cli_state *cli,
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uint64_t *total_allocation_units,
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uint64_t *caller_allocation_units,
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uint64_t *actual_allocation_units,
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uint64_t *sectors_per_allocation_unit,
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uint64_t *bytes_per_sector)
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{
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uint16 setup[1];
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uint8_t param[2];
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uint8_t *rdata = NULL;
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uint32_t rdata_count;
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NTSTATUS status;
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SSVAL(setup, 0, TRANSACT2_QFSINFO);
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SSVAL(param, 0, SMB_FS_FULL_SIZE_INFORMATION);
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status = cli_trans(talloc_tos(), cli, SMBtrans2,
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NULL, 0, 0, 0,
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setup, 1, 0, /* setup */
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param, 2, 0, /* param */
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NULL, 0, 560, /* data */
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NULL,
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NULL, 0, NULL, /* rsetup */
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NULL, 0, NULL, /* rparam */
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&rdata, 32, &rdata_count); /* rdata */
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if (!NT_STATUS_IS_OK(status)) {
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goto fail;
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}
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if (total_allocation_units) {
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*total_allocation_units = BIG_UINT(rdata, 0);
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}
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if (caller_allocation_units) {
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*caller_allocation_units = BIG_UINT(rdata,8);
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}
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if (actual_allocation_units) {
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*actual_allocation_units = BIG_UINT(rdata,16);
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}
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if (sectors_per_allocation_unit) {
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*sectors_per_allocation_unit = IVAL(rdata,24);
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}
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if (bytes_per_sector) {
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*bytes_per_sector = IVAL(rdata,28);
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}
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fail:
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TALLOC_FREE(rdata);
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return status;
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}
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NTSTATUS cli_get_posix_fs_info(struct cli_state *cli,
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uint32 *optimal_transfer_size,
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uint32 *block_size,
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uint64_t *total_blocks,
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uint64_t *blocks_available,
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uint64_t *user_blocks_available,
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uint64_t *total_file_nodes,
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uint64_t *free_file_nodes,
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uint64_t *fs_identifier)
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{
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uint16 setup[1];
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uint8_t param[2];
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uint8_t *rdata = NULL;
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uint32_t rdata_count;
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NTSTATUS status;
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SSVAL(setup, 0, TRANSACT2_QFSINFO);
|
|
SSVAL(param,0,SMB_QUERY_POSIX_FS_INFO);
|
|
|
|
status = cli_trans(talloc_tos(), cli, SMBtrans2, NULL, 0, 0, 0,
|
|
setup, 1, 0,
|
|
param, 2, 0,
|
|
NULL, 0, 560,
|
|
NULL,
|
|
NULL, 0, NULL, /* rsetup */
|
|
NULL, 0, NULL, /* rparam */
|
|
&rdata, 56, &rdata_count);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
if (optimal_transfer_size) {
|
|
*optimal_transfer_size = IVAL(rdata, 0);
|
|
}
|
|
if (block_size) {
|
|
*block_size = IVAL(rdata,4);
|
|
}
|
|
if (total_blocks) {
|
|
*total_blocks = BIG_UINT(rdata,8);
|
|
}
|
|
if (blocks_available) {
|
|
*blocks_available = BIG_UINT(rdata,16);
|
|
}
|
|
if (user_blocks_available) {
|
|
*user_blocks_available = BIG_UINT(rdata,24);
|
|
}
|
|
if (total_file_nodes) {
|
|
*total_file_nodes = BIG_UINT(rdata,32);
|
|
}
|
|
if (free_file_nodes) {
|
|
*free_file_nodes = BIG_UINT(rdata,40);
|
|
}
|
|
if (fs_identifier) {
|
|
*fs_identifier = BIG_UINT(rdata,48);
|
|
}
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
Send/receive the request encryption blob.
|
|
******************************************************************************/
|
|
|
|
static NTSTATUS enc_blob_send_receive(struct cli_state *cli, DATA_BLOB *in, DATA_BLOB *out, DATA_BLOB *param_out)
|
|
{
|
|
uint16_t setup[1];
|
|
uint8_t param[4];
|
|
uint8_t *rparam=NULL, *rdata=NULL;
|
|
uint32_t num_rparam, num_rdata;
|
|
NTSTATUS status;
|
|
|
|
SSVAL(setup+0, 0, TRANSACT2_SETFSINFO);
|
|
SSVAL(param,0,0);
|
|
SSVAL(param,2,SMB_REQUEST_TRANSPORT_ENCRYPTION);
|
|
|
|
status = cli_trans(talloc_tos(), cli, SMBtrans2, NULL, 0, 0, 0,
|
|
setup, 1, 0,
|
|
param, 4, 2,
|
|
(uint8_t *)in->data, in->length, CLI_BUFFER_SIZE,
|
|
NULL, /* recv_flags */
|
|
NULL, 0, NULL, /* rsetup */
|
|
&rparam, 0, &num_rparam,
|
|
&rdata, 0, &num_rdata);
|
|
|
|
if (!NT_STATUS_IS_OK(status) &&
|
|
!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
|
|
return status;
|
|
}
|
|
|
|
*out = data_blob(rdata, num_rdata);
|
|
*param_out = data_blob(rparam, num_rparam);
|
|
|
|
TALLOC_FREE(rparam);
|
|
TALLOC_FREE(rdata);
|
|
return status;
|
|
}
|
|
|
|
/******************************************************************************
|
|
Start a raw ntlmssp encryption.
|
|
******************************************************************************/
|
|
|
|
NTSTATUS cli_raw_ntlm_smb_encryption_start(struct cli_state *cli,
|
|
const char *user,
|
|
const char *pass,
|
|
const char *domain)
|
|
{
|
|
DATA_BLOB blob_in = data_blob_null;
|
|
DATA_BLOB blob_out = data_blob_null;
|
|
DATA_BLOB param_out = data_blob_null;
|
|
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
|
|
struct auth_generic_state *auth_generic_state;
|
|
struct smb_trans_enc_state *es = talloc_zero(NULL, struct smb_trans_enc_state);
|
|
if (!es) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
status = auth_generic_client_prepare(es,
|
|
&auth_generic_state);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
goto fail;
|
|
}
|
|
|
|
gensec_want_feature(auth_generic_state->gensec_security, GENSEC_FEATURE_SESSION_KEY);
|
|
gensec_want_feature(auth_generic_state->gensec_security, GENSEC_FEATURE_SEAL);
|
|
|
|
if (!NT_STATUS_IS_OK(status = auth_generic_set_username(auth_generic_state, user))) {
|
|
goto fail;
|
|
}
|
|
if (!NT_STATUS_IS_OK(status = auth_generic_set_domain(auth_generic_state, domain))) {
|
|
goto fail;
|
|
}
|
|
if (!NT_STATUS_IS_OK(status = auth_generic_set_password(auth_generic_state, pass))) {
|
|
goto fail;
|
|
}
|
|
|
|
if (!NT_STATUS_IS_OK(status = auth_generic_client_start(auth_generic_state, GENSEC_OID_NTLMSSP))) {
|
|
goto fail;
|
|
}
|
|
|
|
do {
|
|
status = gensec_update(auth_generic_state->gensec_security, auth_generic_state,
|
|
NULL, blob_in, &blob_out);
|
|
data_blob_free(&blob_in);
|
|
data_blob_free(¶m_out);
|
|
if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) || NT_STATUS_IS_OK(status)) {
|
|
NTSTATUS trans_status = enc_blob_send_receive(cli,
|
|
&blob_out,
|
|
&blob_in,
|
|
¶m_out);
|
|
if (!NT_STATUS_EQUAL(trans_status,
|
|
NT_STATUS_MORE_PROCESSING_REQUIRED) &&
|
|
!NT_STATUS_IS_OK(trans_status)) {
|
|
status = trans_status;
|
|
} else {
|
|
if (param_out.length == 2) {
|
|
es->enc_ctx_num = SVAL(param_out.data, 0);
|
|
}
|
|
}
|
|
}
|
|
data_blob_free(&blob_out);
|
|
} while (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED));
|
|
|
|
data_blob_free(&blob_in);
|
|
|
|
if (NT_STATUS_IS_OK(status)) {
|
|
es->enc_on = true;
|
|
/* Replace the old state, if any. */
|
|
/* We only need the gensec_security part from here.
|
|
* es is a malloc()ed pointer, so we cannot make
|
|
* gensec_security a talloc child */
|
|
es->gensec_security = talloc_move(NULL,
|
|
&auth_generic_state->gensec_security);
|
|
smb1cli_conn_set_encryption(cli->conn, es);
|
|
es = NULL;
|
|
}
|
|
|
|
fail:
|
|
TALLOC_FREE(es);
|
|
return status;
|
|
}
|
|
|
|
/******************************************************************************
|
|
Start a SPNEGO gssapi encryption context.
|
|
******************************************************************************/
|
|
|
|
NTSTATUS cli_gss_smb_encryption_start(struct cli_state *cli)
|
|
{
|
|
DATA_BLOB blob_recv = data_blob_null;
|
|
DATA_BLOB blob_send = data_blob_null;
|
|
DATA_BLOB param_out = data_blob_null;
|
|
NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
|
|
struct auth_generic_state *auth_generic_state;
|
|
struct smb_trans_enc_state *es = talloc_zero(NULL, struct smb_trans_enc_state);
|
|
|
|
if (!es) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
status = auth_generic_client_prepare(es,
|
|
&auth_generic_state);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
goto fail;
|
|
}
|
|
|
|
gensec_want_feature(auth_generic_state->gensec_security, GENSEC_FEATURE_SESSION_KEY);
|
|
gensec_want_feature(auth_generic_state->gensec_security, GENSEC_FEATURE_SEAL);
|
|
|
|
cli_credentials_set_kerberos_state(auth_generic_state->credentials,
|
|
CRED_MUST_USE_KERBEROS);
|
|
|
|
status = gensec_set_target_service(auth_generic_state->gensec_security, "cifs");
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
goto fail;
|
|
}
|
|
|
|
status = gensec_set_target_hostname(auth_generic_state->gensec_security,
|
|
smbXcli_conn_remote_name(cli->conn));
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
goto fail;
|
|
}
|
|
|
|
if (!NT_STATUS_IS_OK(status = auth_generic_client_start(auth_generic_state, GENSEC_OID_SPNEGO))) {
|
|
goto fail;
|
|
}
|
|
|
|
status = gensec_update(auth_generic_state->gensec_security, talloc_tos(),
|
|
NULL, blob_recv, &blob_send);
|
|
|
|
do {
|
|
data_blob_free(&blob_recv);
|
|
status = enc_blob_send_receive(cli, &blob_send, &blob_recv, ¶m_out);
|
|
if (param_out.length == 2) {
|
|
es->enc_ctx_num = SVAL(param_out.data, 0);
|
|
}
|
|
data_blob_free(&blob_send);
|
|
status = gensec_update(auth_generic_state->gensec_security, talloc_tos(),
|
|
NULL, blob_recv, &blob_send);
|
|
} while (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED));
|
|
data_blob_free(&blob_recv);
|
|
|
|
if (NT_STATUS_IS_OK(status)) {
|
|
if (!gensec_have_feature(auth_generic_state->gensec_security,
|
|
GENSEC_FEATURE_SIGN) ||
|
|
!gensec_have_feature(auth_generic_state->gensec_security,
|
|
GENSEC_FEATURE_SEAL)) {
|
|
status = NT_STATUS_ACCESS_DENIED;
|
|
}
|
|
}
|
|
|
|
if (NT_STATUS_IS_OK(status)) {
|
|
es->enc_on = true;
|
|
/* Replace the old state, if any. */
|
|
/* We only need the gensec_security part from here.
|
|
* es is a malloc()ed pointer, so we cannot make
|
|
* gensec_security a talloc child */
|
|
es->gensec_security = talloc_move(es,
|
|
&auth_generic_state->gensec_security);
|
|
smb1cli_conn_set_encryption(cli->conn, es);
|
|
es = NULL;
|
|
}
|
|
fail:
|
|
TALLOC_FREE(es);
|
|
return status;
|
|
}
|
|
|
|
/********************************************************************
|
|
Ensure a connection is encrypted.
|
|
********************************************************************/
|
|
|
|
NTSTATUS cli_force_encryption(struct cli_state *c,
|
|
const char *username,
|
|
const char *password,
|
|
const char *domain)
|
|
{
|
|
uint16 major, minor;
|
|
uint32 caplow, caphigh;
|
|
NTSTATUS status;
|
|
|
|
if (!SERVER_HAS_UNIX_CIFS(c)) {
|
|
return NT_STATUS_NOT_SUPPORTED;
|
|
}
|
|
|
|
status = cli_unix_extensions_version(c, &major, &minor, &caplow,
|
|
&caphigh);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
DEBUG(10, ("cli_force_encryption: cli_unix_extensions_version "
|
|
"returned %s\n", nt_errstr(status)));
|
|
return NT_STATUS_UNKNOWN_REVISION;
|
|
}
|
|
|
|
if (!(caplow & CIFS_UNIX_TRANSPORT_ENCRYPTION_CAP)) {
|
|
return NT_STATUS_UNSUPPORTED_COMPRESSION;
|
|
}
|
|
|
|
if (c->use_kerberos) {
|
|
return cli_gss_smb_encryption_start(c);
|
|
}
|
|
return cli_raw_ntlm_smb_encryption_start(c,
|
|
username,
|
|
password,
|
|
domain);
|
|
}
|