Unix SMB/CIFS implementation.
FS info functions
Copyright (C) Stefan (metze) Metzmacher 2003
-
+ Copyright (C) Jeremy Allison 2007
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
+#include "libsmb/libsmb.h"
+#include "../libcli/auth/spnego.h"
+#include "../auth/ntlmssp/ntlmssp.h"
+#include "../lib/util/tevent_ntstatus.h"
+#include "async_smb.h"
+#include "../libcli/smb/smb_seal.h"
+#include "trans2.h"
+#include "ntlmssp_wrap.h"
+#include "auth/gensec/gensec.h"
/****************************************************************************
Get UNIX extensions version info.
****************************************************************************/
-
-BOOL cli_unix_extensions_version(struct cli_state *cli, uint16 *pmajor, uint16 *pminor,
- uint32 *pcaplow, uint32 *pcaphigh)
+
+struct cli_unix_extensions_version_state {
+ struct cli_state *cli;
+ uint16_t setup[1];
+ uint8_t param[2];
+ uint16_t major, minor;
+ uint32_t caplow, caphigh;
+};
+
+static void cli_unix_extensions_version_done(struct tevent_req *subreq);
+
+struct tevent_req *cli_unix_extensions_version_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct cli_state *cli)
{
- BOOL ret = False;
- uint16 setup;
- char param[2];
- char *rparam=NULL, *rdata=NULL;
- unsigned int rparam_count=0, rdata_count=0;
-
- setup = TRANSACT2_QFSINFO;
-
- SSVAL(param,0,SMB_QUERY_CIFS_UNIX_INFO);
-
- if (!cli_send_trans(cli, SMBtrans2,
- NULL,
- 0, 0,
- &setup, 1, 0,
- param, 2, 0,
- NULL, 0, 560)) {
- goto cleanup;
- }
-
- if (!cli_receive_trans(cli, SMBtrans2,
- &rparam, &rparam_count,
- &rdata, &rdata_count)) {
- goto cleanup;
- }
-
- if (cli_is_error(cli)) {
- ret = False;
- goto cleanup;
- } else {
- ret = True;
+ struct tevent_req *req, *subreq;
+ struct cli_unix_extensions_version_state *state;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct cli_unix_extensions_version_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->cli = cli;
+ SSVAL(state->setup, 0, TRANSACT2_QFSINFO);
+ SSVAL(state->param, 0, SMB_QUERY_CIFS_UNIX_INFO);
+
+ subreq = cli_trans_send(state, ev, cli, SMBtrans2,
+ NULL, 0, 0, 0,
+ state->setup, 1, 0,
+ state->param, 2, 0,
+ NULL, 0, 560);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
}
+ tevent_req_set_callback(subreq, cli_unix_extensions_version_done, req);
+ return req;
+}
- if (rdata_count < 12) {
- goto cleanup;
+static void cli_unix_extensions_version_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct cli_unix_extensions_version_state *state = tevent_req_data(
+ req, struct cli_unix_extensions_version_state);
+ uint8_t *data;
+ uint32_t num_data;
+ NTSTATUS status;
+
+ status = cli_trans_recv(subreq, state, NULL, NULL, 0, NULL,
+ NULL, 0, NULL, &data, 12, &num_data);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return;
}
- *pmajor = SVAL(rdata,0);
- *pminor = SVAL(rdata,2);
- *pcaplow = IVAL(rdata,4);
- *pcaphigh = IVAL(rdata,8);
+ state->major = SVAL(data, 0);
+ state->minor = SVAL(data, 2);
+ state->caplow = IVAL(data, 4);
+ state->caphigh = IVAL(data, 8);
+ TALLOC_FREE(data);
+ tevent_req_done(req);
+}
- /* todo: but not yet needed
- * return the other stuff
- */
+NTSTATUS cli_unix_extensions_version_recv(struct tevent_req *req,
+ uint16_t *pmajor, uint16_t *pminor,
+ uint32_t *pcaplow,
+ uint32_t *pcaphigh)
+{
+ struct cli_unix_extensions_version_state *state = tevent_req_data(
+ req, struct cli_unix_extensions_version_state);
+ NTSTATUS status;
-cleanup:
- SAFE_FREE(rparam);
- SAFE_FREE(rdata);
+ if (tevent_req_is_nterror(req, &status)) {
+ return status;
+ }
+ *pmajor = state->major;
+ *pminor = state->minor;
+ *pcaplow = state->caplow;
+ *pcaphigh = state->caphigh;
+ state->cli->server_posix_capabilities = *pcaplow;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS cli_unix_extensions_version(struct cli_state *cli, uint16 *pmajor,
+ uint16 *pminor, uint32 *pcaplow,
+ uint32 *pcaphigh)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct event_context *ev;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_OK;
+
+ if (cli_has_async_calls(cli)) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+
+ ev = event_context_init(frame);
+ if (ev == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
- return ret;
+ req = cli_unix_extensions_version_send(frame, ev, cli);
+ if (req == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ if (!tevent_req_poll(req, ev)) {
+ status = map_nt_error_from_unix(errno);
+ goto fail;
+ }
+
+ status = cli_unix_extensions_version_recv(req, pmajor, pminor, pcaplow,
+ pcaphigh);
+ fail:
+ TALLOC_FREE(frame);
+ return status;
}
/****************************************************************************
Set UNIX extensions capabilities.
****************************************************************************/
-
-BOOL cli_set_unix_extensions_capabilities(struct cli_state *cli, uint16 major, uint16 minor,
- uint32 caplow, uint32 caphigh)
+
+struct cli_set_unix_extensions_capabilities_state {
+ struct cli_state *cli;
+ uint16_t setup[1];
+ uint8_t param[4];
+ uint8_t data[12];
+};
+
+static void cli_set_unix_extensions_capabilities_done(
+ struct tevent_req *subreq);
+
+struct tevent_req *cli_set_unix_extensions_capabilities_send(
+ TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct cli_state *cli,
+ uint16_t major, uint16_t minor, uint32_t caplow, uint32_t caphigh)
{
- BOOL ret = False;
- uint16 setup;
- char param[4];
- char data[12];
- char *rparam=NULL, *rdata=NULL;
- unsigned int rparam_count=0, rdata_count=0;
-
- setup = TRANSACT2_SETFSINFO;
-
- SSVAL(param,0,0);
- SSVAL(param,2,SMB_SET_CIFS_UNIX_INFO);
-
- SSVAL(data,0,major);
- SSVAL(data,2,minor);
- SIVAL(data,4,caplow);
- SIVAL(data,8,caphigh);
-
- if (!cli_send_trans(cli, SMBtrans2,
- NULL,
- 0, 0,
- &setup, 1, 0,
- param, 4, 0,
- data, 12, 560)) {
- goto cleanup;
- }
-
- if (!cli_receive_trans(cli, SMBtrans2,
- &rparam, &rparam_count,
- &rdata, &rdata_count)) {
- goto cleanup;
- }
-
- if (cli_is_error(cli)) {
- ret = False;
- goto cleanup;
- } else {
- ret = True;
+ struct tevent_req *req, *subreq;
+ struct cli_set_unix_extensions_capabilities_state *state;
+
+ req = tevent_req_create(
+ mem_ctx, &state,
+ struct cli_set_unix_extensions_capabilities_state);
+ if (req == NULL) {
+ return NULL;
}
-cleanup:
- SAFE_FREE(rparam);
- SAFE_FREE(rdata);
+ state->cli = cli;
+ SSVAL(state->setup+0, 0, TRANSACT2_SETFSINFO);
+
+ SSVAL(state->param, 0, 0);
+ SSVAL(state->param, 2, SMB_SET_CIFS_UNIX_INFO);
+
+ SSVAL(state->data, 0, major);
+ SSVAL(state->data, 2, minor);
+ SIVAL(state->data, 4, caplow);
+ SIVAL(state->data, 8, caphigh);
- return ret;
+ subreq = cli_trans_send(state, ev, cli, SMBtrans2,
+ NULL, 0, 0, 0,
+ state->setup, 1, 0,
+ state->param, 4, 0,
+ state->data, 12, 560);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(
+ subreq, cli_set_unix_extensions_capabilities_done, req);
+ return req;
}
-BOOL cli_get_fs_attr_info(struct cli_state *cli, uint32 *fs_attr)
+static void cli_set_unix_extensions_capabilities_done(
+ struct tevent_req *subreq)
{
- BOOL ret = False;
- uint16 setup;
- char param[2];
- char *rparam=NULL, *rdata=NULL;
- unsigned int rparam_count=0, rdata_count=0;
-
- if (!cli||!fs_attr)
- smb_panic("cli_get_fs_attr_info() called with NULL Pionter!");
-
- setup = TRANSACT2_QFSINFO;
-
- SSVAL(param,0,SMB_QUERY_FS_ATTRIBUTE_INFO);
-
- if (!cli_send_trans(cli, SMBtrans2,
- NULL,
- 0, 0,
- &setup, 1, 0,
- param, 2, 0,
- NULL, 0, 560)) {
- goto cleanup;
- }
-
- if (!cli_receive_trans(cli, SMBtrans2,
- &rparam, &rparam_count,
- &rdata, &rdata_count)) {
- goto cleanup;
- }
-
- if (cli_is_error(cli)) {
- ret = False;
- goto cleanup;
- } else {
- ret = True;
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct cli_set_unix_extensions_capabilities_state *state = tevent_req_data(
+ req, struct cli_set_unix_extensions_capabilities_state);
+
+ NTSTATUS status = cli_trans_recv(subreq, NULL, NULL, NULL, 0, NULL,
+ NULL, 0, NULL, NULL, 0, NULL);
+ if (NT_STATUS_IS_OK(status)) {
+ state->cli->requested_posix_capabilities = IVAL(state->data, 4);
}
+ tevent_req_simple_finish_ntstatus(subreq, status);
+}
+
+NTSTATUS cli_set_unix_extensions_capabilities_recv(struct tevent_req *req)
+{
+ return tevent_req_simple_recv_ntstatus(req);
+}
+
+NTSTATUS cli_set_unix_extensions_capabilities(struct cli_state *cli,
+ uint16 major, uint16 minor,
+ uint32 caplow, uint32 caphigh)
+{
+ struct tevent_context *ev;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_NO_MEMORY;
- if (rdata_count < 12) {
- goto cleanup;
+ if (cli_has_async_calls(cli)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ ev = tevent_context_init(talloc_tos());
+ if (ev == NULL) {
+ goto fail;
+ }
+ req = cli_set_unix_extensions_capabilities_send(
+ ev, ev, cli, major, minor, caplow, caphigh);
+ if (req == NULL) {
+ goto fail;
}
+ if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+ goto fail;
+ }
+ status = cli_set_unix_extensions_capabilities_recv(req);
+fail:
+ TALLOC_FREE(ev);
+ return status;
+}
- *fs_attr = IVAL(rdata,0);
+struct cli_get_fs_attr_info_state {
+ uint16_t setup[1];
+ uint8_t param[2];
+ uint32_t fs_attr;
+};
- /* todo: but not yet needed
- * return the other stuff
- */
+static void cli_get_fs_attr_info_done(struct tevent_req *subreq);
-cleanup:
- SAFE_FREE(rparam);
- SAFE_FREE(rdata);
+struct tevent_req *cli_get_fs_attr_info_send(TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct cli_state *cli)
+{
+ struct tevent_req *subreq, *req;
+ struct cli_get_fs_attr_info_state *state;
- return ret;
+ req = tevent_req_create(mem_ctx, &state,
+ struct cli_get_fs_attr_info_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ SSVAL(state->setup+0, 0, TRANSACT2_QFSINFO);
+ SSVAL(state->param+0, 0, SMB_QUERY_FS_ATTRIBUTE_INFO);
+
+ subreq = cli_trans_send(state, ev, cli, SMBtrans2,
+ NULL, 0, 0, 0,
+ state->setup, 1, 0,
+ state->param, 2, 0,
+ NULL, 0, 560);
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, cli_get_fs_attr_info_done, req);
+ return req;
}
-BOOL cli_get_fs_volume_info_old(struct cli_state *cli, fstring volume_name, uint32 *pserial_number)
+static void cli_get_fs_attr_info_done(struct tevent_req *subreq)
{
- BOOL ret = False;
- uint16 setup;
- char param[2];
- char *rparam=NULL, *rdata=NULL;
- unsigned int rparam_count=0, rdata_count=0;
- unsigned char nlen;
-
- setup = TRANSACT2_QFSINFO;
-
- SSVAL(param,0,SMB_INFO_VOLUME);
-
- if (!cli_send_trans(cli, SMBtrans2,
- NULL,
- 0, 0,
- &setup, 1, 0,
- param, 2, 0,
- NULL, 0, 560)) {
- goto cleanup;
- }
-
- if (!cli_receive_trans(cli, SMBtrans2,
- &rparam, &rparam_count,
- &rdata, &rdata_count)) {
- goto cleanup;
- }
-
- if (cli_is_error(cli)) {
- ret = False;
- goto cleanup;
- } else {
- ret = True;
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct cli_get_fs_attr_info_state *state = tevent_req_data(
+ req, struct cli_get_fs_attr_info_state);
+ uint8_t *data;
+ uint32_t num_data;
+ NTSTATUS status;
+
+ status = cli_trans_recv(subreq, talloc_tos(), NULL, NULL, 0, NULL,
+ NULL, 0, NULL, &data, 12, &num_data);
+ TALLOC_FREE(subreq);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return;
+ }
+ state->fs_attr = IVAL(data, 0);
+ TALLOC_FREE(data);
+ tevent_req_done(req);
+}
+
+NTSTATUS cli_get_fs_attr_info_recv(struct tevent_req *req, uint32_t *fs_attr)
+{
+ struct cli_get_fs_attr_info_state *state = tevent_req_data(
+ req, struct cli_get_fs_attr_info_state);
+ NTSTATUS status;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ return status;
+ }
+ *fs_attr = state->fs_attr;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS cli_get_fs_attr_info(struct cli_state *cli, uint32_t *fs_attr)
+{
+ struct tevent_context *ev;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_NO_MEMORY;
+
+ if (cli_has_async_calls(cli)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ ev = tevent_context_init(talloc_tos());
+ if (ev == NULL) {
+ goto fail;
+ }
+ req = cli_get_fs_attr_info_send(ev, ev, cli);
+ if (req == NULL) {
+ goto fail;
+ }
+ if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+ goto fail;
}
+ status = cli_get_fs_attr_info_recv(req, fs_attr);
+fail:
+ TALLOC_FREE(ev);
+ return status;
+}
+
+NTSTATUS cli_get_fs_volume_info(struct cli_state *cli,
+ TALLOC_CTX *mem_ctx,
+ char **_volume_name,
+ uint32_t *pserial_number,
+ time_t *pdate)
+{
+ NTSTATUS status;
+ uint16_t recv_flags2;
+ uint16_t setup[1];
+ uint8_t param[2];
+ uint8_t *rdata;
+ uint32_t rdata_count;
+ unsigned int nlen;
+ char *volume_name = NULL;
+
+ SSVAL(setup, 0, TRANSACT2_QFSINFO);
+ SSVAL(param,0,SMB_QUERY_FS_VOLUME_INFO);
- if (rdata_count < 5) {
- goto cleanup;
+ status = cli_trans(talloc_tos(), cli, SMBtrans2,
+ NULL, 0, 0, 0,
+ setup, 1, 0,
+ param, 2, 0,
+ NULL, 0, 560,
+ &recv_flags2,
+ NULL, 0, NULL,
+ NULL, 0, NULL,
+ &rdata, 18, &rdata_count);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
+ if (pdate) {
+ struct timespec ts;
+ ts = interpret_long_date((char *)rdata);
+ *pdate = ts.tv_sec;
+ }
if (pserial_number) {
- *pserial_number = IVAL(rdata,0);
+ *pserial_number = IVAL(rdata,8);
+ }
+ nlen = IVAL(rdata,12);
+ if (nlen > (rdata_count - 18)) {
+ TALLOC_FREE(rdata);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
- nlen = CVAL(rdata,l2_vol_cch);
- clistr_pull(cli, volume_name, rdata + l2_vol_szVolLabel, sizeof(fstring), nlen, STR_NOALIGN);
- /* todo: but not yet needed
+ clistr_pull_talloc(mem_ctx,
+ (const char *)rdata,
+ recv_flags2,
+ &volume_name,
+ rdata + 18,
+ nlen, STR_UNICODE);
+ if (volume_name == NULL) {
+ status = map_nt_error_from_unix(errno);
+ TALLOC_FREE(rdata);
+ return status;
+ }
+
+ /* todo: but not yet needed
* return the other stuff
*/
-cleanup:
- SAFE_FREE(rparam);
- SAFE_FREE(rdata);
+ *_volume_name = volume_name;
+ TALLOC_FREE(rdata);
+ return NT_STATUS_OK;
+}
+
+NTSTATUS cli_get_fs_full_size_info(struct cli_state *cli,
+ uint64_t *total_allocation_units,
+ uint64_t *caller_allocation_units,
+ uint64_t *actual_allocation_units,
+ uint64_t *sectors_per_allocation_unit,
+ uint64_t *bytes_per_sector)
+{
+ uint16 setup[1];
+ uint8_t param[2];
+ uint8_t *rdata = NULL;
+ uint32_t rdata_count;
+ NTSTATUS status;
+
+ SSVAL(setup, 0, TRANSACT2_QFSINFO);
+ SSVAL(param, 0, SMB_FS_FULL_SIZE_INFORMATION);
+
+ status = cli_trans(talloc_tos(), cli, SMBtrans2,
+ NULL, 0, 0, 0,
+ setup, 1, 0, /* setup */
+ param, 2, 0, /* param */
+ NULL, 0, 560, /* data */
+ NULL,
+ NULL, 0, NULL, /* rsetup */
+ NULL, 0, NULL, /* rparam */
+ &rdata, 32, &rdata_count); /* rdata */
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ if (total_allocation_units) {
+ *total_allocation_units = BIG_UINT(rdata, 0);
+ }
+ if (caller_allocation_units) {
+ *caller_allocation_units = BIG_UINT(rdata,8);
+ }
+ if (actual_allocation_units) {
+ *actual_allocation_units = BIG_UINT(rdata,16);
+ }
+ if (sectors_per_allocation_unit) {
+ *sectors_per_allocation_unit = IVAL(rdata,24);
+ }
+ if (bytes_per_sector) {
+ *bytes_per_sector = IVAL(rdata,28);
+ }
+
+fail:
+ TALLOC_FREE(rdata);
+ return status;
+}
- return ret;
+NTSTATUS cli_get_posix_fs_info(struct cli_state *cli,
+ uint32 *optimal_transfer_size,
+ uint32 *block_size,
+ uint64_t *total_blocks,
+ uint64_t *blocks_available,
+ uint64_t *user_blocks_available,
+ uint64_t *total_file_nodes,
+ uint64_t *free_file_nodes,
+ uint64_t *fs_identifier)
+{
+ uint16 setup[1];
+ uint8_t param[2];
+ uint8_t *rdata = NULL;
+ uint32_t rdata_count;
+ NTSTATUS status;
+
+ 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;
}
-BOOL cli_get_fs_volume_info(struct cli_state *cli, fstring volume_name, uint32 *pserial_number, time_t *pdate)
+
+/******************************************************************************
+ 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)
{
- BOOL ret = False;
- uint16 setup;
- char param[2];
- char *rparam=NULL, *rdata=NULL;
- unsigned int rparam_count=0, rdata_count=0;
- unsigned int nlen;
+ uint16_t setup[1];
+ uint8_t param[4];
+ uint8_t *rparam=NULL, *rdata=NULL;
+ uint32_t num_rparam, num_rdata;
+ NTSTATUS status;
- setup = TRANSACT2_QFSINFO;
-
- SSVAL(param,0,SMB_QUERY_FS_VOLUME_INFO);
+ 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);
- if (!cli_send_trans(cli, SMBtrans2,
- NULL,
- 0, 0,
- &setup, 1, 0,
- param, 2, 0,
- NULL, 0, 560)) {
- goto cleanup;
+ TALLOC_FREE(rparam);
+ TALLOC_FREE(rdata);
+ return status;
+}
+
+/******************************************************************************
+ Make a client state struct.
+******************************************************************************/
+
+static struct smb_trans_enc_state *make_cli_enc_state(enum smb_trans_enc_type smb_enc_type)
+{
+ struct smb_trans_enc_state *es = NULL;
+ es = SMB_MALLOC_P(struct smb_trans_enc_state);
+ if (!es) {
+ return NULL;
}
-
- if (!cli_receive_trans(cli, SMBtrans2,
- &rparam, &rparam_count,
- &rdata, &rdata_count)) {
- goto cleanup;
+ ZERO_STRUCTP(es);
+ es->smb_enc_type = smb_enc_type;
+
+#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
+ if (smb_enc_type == SMB_TRANS_ENC_GSS) {
+ es->s.gss_state = SMB_MALLOC_P(struct smb_tran_enc_state_gss);
+ if (!es->s.gss_state) {
+ SAFE_FREE(es);
+ return NULL;
+ }
+ ZERO_STRUCTP(es->s.gss_state);
}
+#endif
+ return es;
+}
+
+/******************************************************************************
+ 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_ntlmssp_state *auth_ntlmssp_state;
+ struct smb_trans_enc_state *es = make_cli_enc_state(SMB_TRANS_ENC_NTLM);
+
+ if (!es) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ status = auth_ntlmssp_client_prepare(NULL,
+ &auth_ntlmssp_state);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ gensec_want_feature(auth_ntlmssp_state->gensec_security, GENSEC_FEATURE_SESSION_KEY);
+ gensec_want_feature(auth_ntlmssp_state->gensec_security, GENSEC_FEATURE_SEAL);
+
+ if (!NT_STATUS_IS_OK(status = auth_ntlmssp_set_username(auth_ntlmssp_state, user))) {
+ goto fail;
+ }
+ if (!NT_STATUS_IS_OK(status = auth_ntlmssp_set_domain(auth_ntlmssp_state, domain))) {
+ goto fail;
+ }
+ if (!NT_STATUS_IS_OK(status = auth_ntlmssp_set_password(auth_ntlmssp_state, pass))) {
+ goto fail;
+ }
+
+ if (!NT_STATUS_IS_OK(status = auth_ntlmssp_client_start(auth_ntlmssp_state))) {
+ goto fail;
+ }
+
+ do {
+ status = gensec_update(auth_ntlmssp_state->gensec_security, auth_ntlmssp_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)) {
+ /* Replace the old state, if any. */
+ if (cli->trans_enc_state) {
+ common_free_encryption_state(&cli->trans_enc_state);
+ }
+ /* 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->s.gensec_security = talloc_move(NULL,
+ &auth_ntlmssp_state->gensec_security);
+ cli->trans_enc_state = es;
+ cli->trans_enc_state->enc_on = True;
+ es = NULL;
+ }
+
+ fail:
+ TALLOC_FREE(auth_ntlmssp_state);
+ common_free_encryption_state(&es);
+ return status;
+}
- if (cli_is_error(cli)) {
- ret = False;
- goto cleanup;
+#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
+
+#ifndef SMB_GSS_REQUIRED_FLAGS
+#define SMB_GSS_REQUIRED_FLAGS (GSS_C_CONF_FLAG|GSS_C_INTEG_FLAG|GSS_C_MUTUAL_FLAG|GSS_C_REPLAY_FLAG|GSS_C_SEQUENCE_FLAG)
+#endif
+
+/******************************************************************************
+ Get client gss blob to send to a server.
+******************************************************************************/
+
+static NTSTATUS make_cli_gss_blob(TALLOC_CTX *ctx,
+ struct smb_trans_enc_state *es,
+ const char *service,
+ const char *host,
+ NTSTATUS status_in,
+ DATA_BLOB spnego_blob_in,
+ DATA_BLOB *p_blob_out)
+{
+ const char *krb_mechs[] = {OID_KERBEROS5, NULL};
+ OM_uint32 ret;
+ OM_uint32 min;
+ gss_name_t srv_name;
+ gss_buffer_desc input_name;
+ gss_buffer_desc *p_tok_in;
+ gss_buffer_desc tok_out, tok_in;
+ DATA_BLOB blob_out = data_blob_null;
+ DATA_BLOB blob_in = data_blob_null;
+ char *host_princ_s = NULL;
+ OM_uint32 ret_flags = 0;
+ NTSTATUS status = NT_STATUS_OK;
+
+ gss_OID_desc nt_hostbased_service =
+ {10, discard_const_p(char, "\x2a\x86\x48\x86\xf7\x12\x01\x02\x01\x04")};
+
+ memset(&tok_out, '\0', sizeof(tok_out));
+
+ /* Get a ticket for the service@host */
+ if (asprintf(&host_princ_s, "%s@%s", service, host) == -1) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ input_name.value = host_princ_s;
+ input_name.length = strlen(host_princ_s) + 1;
+
+ ret = gss_import_name(&min,
+ &input_name,
+ &nt_hostbased_service,
+ &srv_name);
+
+ if (ret != GSS_S_COMPLETE) {
+ SAFE_FREE(host_princ_s);
+ return map_nt_error_from_gss(ret, min);
+ }
+
+ if (spnego_blob_in.length == 0) {
+ p_tok_in = GSS_C_NO_BUFFER;
} else {
- ret = True;
+ /* Remove the SPNEGO wrapper */
+ if (!spnego_parse_auth_response(ctx, spnego_blob_in, status_in, OID_KERBEROS5, &blob_in)) {
+ status = NT_STATUS_UNSUCCESSFUL;
+ goto fail;
+ }
+ tok_in.value = blob_in.data;
+ tok_in.length = blob_in.length;
+ p_tok_in = &tok_in;
}
- if (rdata_count < 19) {
- goto cleanup;
+ ret = gss_init_sec_context(&min,
+ GSS_C_NO_CREDENTIAL, /* Use our default cred. */
+ &es->s.gss_state->gss_ctx,
+ srv_name,
+ GSS_C_NO_OID, /* default OID. */
+ GSS_C_MUTUAL_FLAG | GSS_C_REPLAY_FLAG | GSS_C_SEQUENCE_FLAG | GSS_C_DELEG_FLAG,
+ GSS_C_INDEFINITE, /* requested ticket lifetime. */
+ NULL, /* no channel bindings */
+ p_tok_in,
+ NULL, /* ignore mech type */
+ &tok_out,
+ &ret_flags,
+ NULL); /* ignore time_rec */
+
+ status = map_nt_error_from_gss(ret, min);
+ if (!NT_STATUS_IS_OK(status) && !NT_STATUS_EQUAL(status,NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ ADS_STATUS adss = ADS_ERROR_GSS(ret, min);
+ DEBUG(10,("make_cli_gss_blob: gss_init_sec_context failed with %s\n",
+ ads_errstr(adss)));
+ goto fail;
}
- if (pdate) {
- *pdate = interpret_long_date(rdata);
+ if ((ret_flags & SMB_GSS_REQUIRED_FLAGS) != SMB_GSS_REQUIRED_FLAGS) {
+ status = NT_STATUS_ACCESS_DENIED;
}
- if (pserial_number) {
- *pserial_number = IVAL(rdata,8);
+
+ blob_out = data_blob_talloc(ctx, tok_out.value, tok_out.length);
+
+ /* Wrap in an SPNEGO wrapper */
+ *p_blob_out = spnego_gen_negTokenInit(ctx, krb_mechs, &blob_out, NULL);
+
+ fail:
+
+ data_blob_free(&blob_out);
+ data_blob_free(&blob_in);
+ SAFE_FREE(host_princ_s);
+ gss_release_name(&min, &srv_name);
+ if (tok_out.value) {
+ gss_release_buffer(&min, &tok_out);
}
- nlen = IVAL(rdata,12);
- clistr_pull(cli, volume_name, rdata + 18, sizeof(fstring), nlen, STR_UNICODE);
+ return status;
+}
- /* todo: but not yet needed
- * return the other stuff
- */
+/******************************************************************************
+ Start a SPNEGO gssapi encryption context.
+******************************************************************************/
-cleanup:
- SAFE_FREE(rparam);
- SAFE_FREE(rdata);
+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;
+ fstring fqdn;
+ const char *servicename;
+ struct smb_trans_enc_state *es = make_cli_enc_state(SMB_TRANS_ENC_GSS);
+
+ if (!es) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ name_to_fqdn(fqdn, cli_state_remote_name(cli));
+ strlower_m(fqdn);
+
+ servicename = "cifs";
+ status = make_cli_gss_blob(talloc_tos(), es, servicename, fqdn, NT_STATUS_OK, blob_recv, &blob_send);
+ if (!NT_STATUS_EQUAL(status,NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ servicename = "host";
+ status = make_cli_gss_blob(talloc_tos(), es, servicename, fqdn, NT_STATUS_OK, blob_recv, &blob_send);
+ if (!NT_STATUS_EQUAL(status,NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ goto fail;
+ }
+ }
+
+ 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 = make_cli_gss_blob(talloc_tos(), es, servicename, fqdn, status, 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)) {
+ /* Replace the old state, if any. */
+ if (cli->trans_enc_state) {
+ common_free_encryption_state(&cli->trans_enc_state);
+ }
+ cli->trans_enc_state = es;
+ cli->trans_enc_state->enc_on = True;
+ es = NULL;
+ }
+
+ fail:
+
+ common_free_encryption_state(&es);
+ return status;
+}
+#else
+NTSTATUS cli_gss_smb_encryption_start(struct cli_state *cli)
+{
+ return NT_STATUS_NOT_SUPPORTED;
+}
+#endif
- return ret;
+/********************************************************************
+ 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);
}