#include "libsmb/proto.h"
#include "lib/util/tevent_ntstatus.h"
#include "../libcli/security/security.h"
+#include "../librpc/gen_ndr/ndr_security.h"
#include "lib/util_ea.h"
#include "librpc/gen_ndr/ndr_ioctl.h"
+#include "ntioctl.h"
struct smb2_hnd {
uint64_t fid_persistent;
struct tevent_req *req, *subreq;
struct cli_smb2_create_fnum_state *state;
size_t fname_len = 0;
+ const char *startp = NULL;
+ const char *endp = NULL;
+ time_t tstamp = (time_t)0;
+ struct smb2_create_blobs *cblobs = NULL;
req = tevent_req_create(mem_ctx, &state,
struct cli_smb2_create_fnum_state);
create_options |= FILE_OPEN_FOR_BACKUP_INTENT;
}
+ /* Check for @GMT- paths. Remove the @GMT and turn into TWrp if so. */
+ fname_len = strlen(fname);
+ if (clistr_is_previous_version_path(fname, &startp, &endp, &tstamp)) {
+ size_t len_before_gmt = startp - fname;
+ size_t len_after_gmt = fname + fname_len - endp;
+ DATA_BLOB twrp_blob;
+ NTTIME ntt;
+ NTSTATUS status;
+
+ char *new_fname = talloc_array(state, char,
+ len_before_gmt + len_after_gmt + 1);
+
+ if (tevent_req_nomem(new_fname, req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ memcpy(new_fname, fname, len_before_gmt);
+ memcpy(new_fname + len_before_gmt, endp, len_after_gmt + 1);
+ fname = new_fname;
+ fname_len = len_before_gmt + len_after_gmt;
+
+ unix_to_nt_time(&ntt, tstamp);
+ twrp_blob = data_blob_const((const void *)&ntt, 8);
+
+ cblobs = talloc_zero(state, struct smb2_create_blobs);
+ if (tevent_req_nomem(cblobs, req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ status = smb2_create_blob_add(state, cblobs,
+ SMB2_CREATE_TAG_TWRP, twrp_blob);
+ if (!NT_STATUS_IS_OK(status)) {
+ tevent_req_nterror(req, status);
+ return tevent_req_post(req, ev);
+ }
+ }
+
/* SMB2 is pickier about pathnames. Ensure it doesn't
start in a '\' */
if (*fname == '\\') {
fname++;
+ fname_len--;
}
/* Or end in a '\' */
- fname_len = strlen(fname);
if (fname_len > 0 && fname[fname_len-1] == '\\') {
char *new_fname = talloc_strdup(state, fname);
if (tevent_req_nomem(new_fname, req)) {
share_access,
create_disposition,
create_options,
- NULL);
+ cblobs);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
if (fnum != 0xffff) {
cli_smb2_close_fnum(cli, fnum);
}
+
+ cli->raw_status = status;
+
TALLOC_FREE(subframe);
TALLOC_FREE(frame);
return status;
return status;
}
- cli_smb2_close_fnum(cli, fnum);
+ status = cli_smb2_close_fnum(cli, fnum);
ZERO_STRUCTP(sbuf);
sbuf->st_ex_size = cr.end_of_file;
*attributes = cr.file_attributes;
- return NT_STATUS_OK;
+ return status;
}
/***************************************************************
if (fnum != 0xffff) {
cli_smb2_close_fnum(cli, fnum);
}
+
+ cli->raw_status = status;
+
TALLOC_FREE(frame);
return status;
}
fail:
+ cli->raw_status = status;
+
TALLOC_FREE(frame);
return status;
}
&change_time_ts,
NULL);
+ cli->raw_status = status;
+
if (!NT_STATUS_IS_OK(status)) {
return status;
}
cli_smb2_close_fnum(cli, fnum);
}
+ cli->raw_status = status;
+
TALLOC_FREE(frame);
return status;
}
cli_smb2_close_fnum(cli, fnum);
}
+ cli->raw_status = status;
+
TALLOC_FREE(frame);
return status;
}
cli_smb2_close_fnum(cli, fnum);
}
+ cli->raw_status = status;
+
TALLOC_FREE(frame);
return status;
}
cli_smb2_close_fnum(cli, fnum);
}
+ cli->raw_status = status;
+
TALLOC_FREE(frame);
return status;
}
put_long_date((char *)inbuf.data + 16, write_time);
}
- return smb2cli_set_info(cli->conn,
+ cli->raw_status = smb2cli_set_info(cli->conn,
cli->timeout,
cli->smb2.session,
cli->smb2.tcon,
0, /* in_additional_info */
ph->fid_persistent,
ph->fid_volatile);
+
+ return cli->raw_status;
}
/***************************************************************
cli_smb2_close_fnum(cli, fnum);
}
+ cli->raw_status = status;
+
+ TALLOC_FREE(frame);
+ return status;
+}
+
+/***************************************************************
+ Wrapper that allows SMB2 to query file system attributes.
+ Synchronous only.
+***************************************************************/
+
+NTSTATUS cli_smb2_get_fs_attr_info(struct cli_state *cli, uint32_t *fs_attr)
+{
+ NTSTATUS status;
+ uint16_t fnum = 0xffff;
+ DATA_BLOB outbuf = data_blob_null;
+ struct smb2_hnd *ph = NULL;
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ if (smbXcli_conn_has_async_calls(cli->conn)) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+
+ if (smbXcli_conn_protocol(cli->conn) < PROTOCOL_SMB2_02) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+
+ /* First open the top level directory. */
+ status =
+ cli_smb2_create_fnum(cli, "", 0, /* create_flags */
+ FILE_READ_ATTRIBUTES, /* desired_access */
+ FILE_ATTRIBUTE_DIRECTORY, /* file attributes */
+ FILE_SHARE_READ | FILE_SHARE_WRITE |
+ FILE_SHARE_DELETE, /* share_access */
+ FILE_OPEN, /* create_disposition */
+ FILE_DIRECTORY_FILE, /* create_options */
+ &fnum,
+ NULL);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ status = map_fnum_to_smb2_handle(cli, fnum, &ph);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ status = smb2cli_query_info(cli->conn, cli->timeout, cli->smb2.session,
+ cli->smb2.tcon, 2, /* in_info_type */
+ 5, /* in_file_info_class */
+ 0xFFFF, /* in_max_output_length */
+ NULL, /* in_input_buffer */
+ 0, /* in_additional_info */
+ 0, /* in_flags */
+ ph->fid_persistent, ph->fid_volatile, frame,
+ &outbuf);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ if (outbuf.length < 12) {
+ status = NT_STATUS_INVALID_NETWORK_RESPONSE;
+ goto fail;
+ }
+
+ *fs_attr = IVAL(outbuf.data, 0);
+
+fail:
+
+ if (fnum != 0xffff) {
+ cli_smb2_close_fnum(cli, fnum);
+ }
+
+ cli->raw_status = status;
+
TALLOC_FREE(frame);
return status;
}
fail:
+ cli->raw_status = status;
+
TALLOC_FREE(frame);
return status;
}
fail:
+ cli->raw_status = status;
+
TALLOC_FREE(frame);
return status;
}
***************************************************************/
NTSTATUS cli_smb2_rename(struct cli_state *cli,
- const char *fname_src,
- const char *fname_dst)
+ const char *fname_src,
+ const char *fname_dst,
+ bool replace)
{
NTSTATUS status;
DATA_BLOB inbuf = data_blob_null;
goto fail;
}
+ if (replace) {
+ SCVAL(inbuf.data, 0, 1);
+ }
+
SIVAL(inbuf.data, 16, converted_size_bytes);
memcpy(inbuf.data + 20, converted_str, converted_size_bytes);
cli_smb2_close_fnum(cli, fnum);
}
+ cli->raw_status = status;
+
TALLOC_FREE(frame);
return status;
}
fail:
+ cli->raw_status = status;
+
TALLOC_FREE(frame);
return status;
}
cli_smb2_close_fnum(cli, fnum);
}
+ cli->raw_status = status;
+
return status;
}
cli_smb2_close_fnum(cli, fnum);
}
+ cli->raw_status = status;
+
+ TALLOC_FREE(frame);
+ return status;
+}
+
+/***************************************************************
+ Wrapper that allows SMB2 to get user quota.
+ Synchronous only.
+***************************************************************/
+
+NTSTATUS cli_smb2_get_user_quota(struct cli_state *cli,
+ int quota_fnum,
+ SMB_NTQUOTA_STRUCT *pqt)
+{
+ NTSTATUS status;
+ DATA_BLOB inbuf = data_blob_null;
+ DATA_BLOB outbuf = data_blob_null;
+ struct smb2_hnd *ph = NULL;
+ TALLOC_CTX *frame = talloc_stackframe();
+ unsigned sid_len;
+ unsigned int offset;
+ uint8_t *buf;
+
+ if (smbXcli_conn_has_async_calls(cli->conn)) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+
+ if (smbXcli_conn_protocol(cli->conn) < PROTOCOL_SMB2_02) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+
+ status = map_fnum_to_smb2_handle(cli, quota_fnum, &ph);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ sid_len = ndr_size_dom_sid(&pqt->sid, 0);
+
+ inbuf = data_blob_talloc_zero(frame, 24 + sid_len);
+ if (inbuf.data == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ buf = inbuf.data;
+
+ SCVAL(buf, 0, 1); /* ReturnSingle */
+ SCVAL(buf, 1, 0); /* RestartScan */
+ SSVAL(buf, 2, 0); /* Reserved */
+ if (8 + sid_len < 8) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+ SIVAL(buf, 4, 8 + sid_len); /* SidListLength */
+ SIVAL(buf, 8, 0); /* StartSidLength */
+ SIVAL(buf, 12, 0); /* StartSidOffset */
+ SIVAL(buf, 16, 0); /* NextEntryOffset */
+ SIVAL(buf, 20, sid_len); /* SidLength */
+ sid_linearize(buf + 24, sid_len, &pqt->sid);
+
+ status = smb2cli_query_info(cli->conn, cli->timeout, cli->smb2.session,
+ cli->smb2.tcon, 4, /* in_info_type */
+ 0, /* in_file_info_class */
+ 0xFFFF, /* in_max_output_length */
+ &inbuf, /* in_input_buffer */
+ 0, /* in_additional_info */
+ 0, /* in_flags */
+ ph->fid_persistent, ph->fid_volatile, frame,
+ &outbuf);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ if (!parse_user_quota_record(outbuf.data, outbuf.length, &offset,
+ pqt)) {
+ status = NT_STATUS_INVALID_NETWORK_RESPONSE;
+ DEBUG(0, ("Got invalid FILE_QUOTA_INFORMATION in reply.\n"));
+ }
+
+fail:
+ cli->raw_status = status;
+
+ TALLOC_FREE(frame);
+ return status;
+}
+
+/***************************************************************
+ Wrapper that allows SMB2 to list user quota.
+ Synchronous only.
+***************************************************************/
+
+NTSTATUS cli_smb2_list_user_quota_step(struct cli_state *cli,
+ TALLOC_CTX *mem_ctx,
+ int quota_fnum,
+ SMB_NTQUOTA_LIST **pqt_list,
+ bool first)
+{
+ NTSTATUS status;
+ DATA_BLOB inbuf = data_blob_null;
+ DATA_BLOB outbuf = data_blob_null;
+ struct smb2_hnd *ph = NULL;
+ TALLOC_CTX *frame = talloc_stackframe();
+ uint8_t *buf;
+
+ if (smbXcli_conn_has_async_calls(cli->conn)) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto cleanup;
+ }
+
+ if (smbXcli_conn_protocol(cli->conn) < PROTOCOL_SMB2_02) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto cleanup;
+ }
+
+ status = map_fnum_to_smb2_handle(cli, quota_fnum, &ph);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto cleanup;
+ }
+
+ inbuf = data_blob_talloc_zero(frame, 16);
+ if (inbuf.data == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto cleanup;
+ }
+
+ buf = inbuf.data;
+
+ SCVAL(buf, 0, 0); /* ReturnSingle */
+ SCVAL(buf, 1, first ? 1 : 0); /* RestartScan */
+ SSVAL(buf, 2, 0); /* Reserved */
+ SIVAL(buf, 4, 0); /* SidListLength */
+ SIVAL(buf, 8, 0); /* StartSidLength */
+ SIVAL(buf, 12, 0); /* StartSidOffset */
+
+ status = smb2cli_query_info(cli->conn, cli->timeout, cli->smb2.session,
+ cli->smb2.tcon, 4, /* in_info_type */
+ 0, /* in_file_info_class */
+ 0xFFFF, /* in_max_output_length */
+ &inbuf, /* in_input_buffer */
+ 0, /* in_additional_info */
+ 0, /* in_flags */
+ ph->fid_persistent, ph->fid_volatile, frame,
+ &outbuf);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto cleanup;
+ }
+
+ status = parse_user_quota_list(outbuf.data, outbuf.length, mem_ctx,
+ pqt_list);
+
+cleanup:
+ cli->raw_status = status;
+
+ TALLOC_FREE(frame);
+ return status;
+}
+
+/***************************************************************
+ Wrapper that allows SMB2 to get file system quota.
+ Synchronous only.
+***************************************************************/
+
+NTSTATUS cli_smb2_get_fs_quota_info(struct cli_state *cli,
+ int quota_fnum,
+ SMB_NTQUOTA_STRUCT *pqt)
+{
+ NTSTATUS status;
+ DATA_BLOB outbuf = data_blob_null;
+ struct smb2_hnd *ph = NULL;
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ if (smbXcli_conn_has_async_calls(cli->conn)) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto cleanup;
+ }
+
+ if (smbXcli_conn_protocol(cli->conn) < PROTOCOL_SMB2_02) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto cleanup;
+ }
+
+ status = map_fnum_to_smb2_handle(cli, quota_fnum, &ph);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto cleanup;
+ }
+
+ status = smb2cli_query_info(
+ cli->conn, cli->timeout, cli->smb2.session, cli->smb2.tcon,
+ 2, /* in_info_type */
+ SMB_FS_QUOTA_INFORMATION - 1000, /* in_file_info_class */
+ 0xFFFF, /* in_max_output_length */
+ NULL, /* in_input_buffer */
+ 0, /* in_additional_info */
+ 0, /* in_flags */
+ ph->fid_persistent, ph->fid_volatile, frame, &outbuf);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ goto cleanup;
+ }
+
+ status = parse_fs_quota_buffer(outbuf.data, outbuf.length, pqt);
+
+cleanup:
+ cli->raw_status = status;
+
+ TALLOC_FREE(frame);
+ return status;
+}
+
+/***************************************************************
+ Wrapper that allows SMB2 to set user quota.
+ Synchronous only.
+***************************************************************/
+
+NTSTATUS cli_smb2_set_user_quota(struct cli_state *cli,
+ int quota_fnum,
+ SMB_NTQUOTA_LIST *qtl)
+{
+ NTSTATUS status;
+ DATA_BLOB inbuf = data_blob_null;
+ struct smb2_hnd *ph = NULL;
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ if (smbXcli_conn_has_async_calls(cli->conn)) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto cleanup;
+ }
+
+ if (smbXcli_conn_protocol(cli->conn) < PROTOCOL_SMB2_02) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto cleanup;
+ }
+
+ status = map_fnum_to_smb2_handle(cli, quota_fnum, &ph);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto cleanup;
+ }
+
+ status = build_user_quota_buffer(qtl, 0, talloc_tos(), &inbuf, NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto cleanup;
+ }
+
+ status = smb2cli_set_info(cli->conn, cli->timeout, cli->smb2.session,
+ cli->smb2.tcon, 4, /* in_info_type */
+ 0, /* in_file_info_class */
+ &inbuf, /* in_input_buffer */
+ 0, /* in_additional_info */
+ ph->fid_persistent, ph->fid_volatile);
+cleanup:
+
+ cli->raw_status = status;
+
+ TALLOC_FREE(frame);
+
+ return status;
+}
+
+NTSTATUS cli_smb2_set_fs_quota_info(struct cli_state *cli,
+ int quota_fnum,
+ SMB_NTQUOTA_STRUCT *pqt)
+{
+ NTSTATUS status;
+ DATA_BLOB inbuf = data_blob_null;
+ struct smb2_hnd *ph = NULL;
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ if (smbXcli_conn_has_async_calls(cli->conn)) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto cleanup;
+ }
+
+ if (smbXcli_conn_protocol(cli->conn) < PROTOCOL_SMB2_02) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto cleanup;
+ }
+
+ status = map_fnum_to_smb2_handle(cli, quota_fnum, &ph);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto cleanup;
+ }
+
+ status = build_fs_quota_buffer(talloc_tos(), pqt, &inbuf, 0);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto cleanup;
+ }
+
+ status = smb2cli_set_info(
+ cli->conn, cli->timeout, cli->smb2.session, cli->smb2.tcon,
+ 2, /* in_info_type */
+ SMB_FS_QUOTA_INFORMATION - 1000, /* in_file_info_class */
+ &inbuf, /* in_input_buffer */
+ 0, /* in_additional_info */
+ ph->fid_persistent, ph->fid_volatile);
+cleanup:
+ cli->raw_status = status;
+
TALLOC_FREE(frame);
return status;
}
tevent_req_received(req);
return NT_STATUS_OK;
}
+
+/***************************************************************
+ SMB2 enum shadow copy data.
+***************************************************************/
+
+struct cli_smb2_shadow_copy_data_fnum_state {
+ struct cli_state *cli;
+ uint16_t fnum;
+ struct smb2_hnd *ph;
+ DATA_BLOB out_input_buffer;
+ DATA_BLOB out_output_buffer;
+};
+
+static void cli_smb2_shadow_copy_data_fnum_done(struct tevent_req *subreq);
+
+static struct tevent_req *cli_smb2_shadow_copy_data_fnum_send(
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct cli_state *cli,
+ uint16_t fnum,
+ bool get_names)
+{
+ struct tevent_req *req, *subreq;
+ struct cli_smb2_shadow_copy_data_fnum_state *state;
+ NTSTATUS status;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct cli_smb2_shadow_copy_data_fnum_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ if (smbXcli_conn_protocol(cli->conn) < PROTOCOL_SMB2_02) {
+ tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+ return tevent_req_post(req, ev);
+ }
+
+ state->cli = cli;
+ state->fnum = fnum;
+
+ status = map_fnum_to_smb2_handle(cli, fnum, &state->ph);
+ if (tevent_req_nterror(req, status)) {
+ return tevent_req_post(req, ev);
+ }
+
+ /*
+ * TODO. Under SMB2 we should send a zero max_output_length
+ * ioctl to get the required size, then send another ioctl
+ * to get the data, but the current SMB1 implementation just
+ * does one roundtrip with a 64K buffer size. Do the same
+ * for now. JRA.
+ */
+
+ subreq = smb2cli_ioctl_send(state, ev, state->cli->conn,
+ state->cli->timeout,
+ state->cli->smb2.session,
+ state->cli->smb2.tcon,
+ state->ph->fid_persistent, /* in_fid_persistent */
+ state->ph->fid_volatile, /* in_fid_volatile */
+ FSCTL_GET_SHADOW_COPY_DATA,
+ 0, /* in_max_input_length */
+ NULL, /* in_input_buffer */
+ get_names ?
+ CLI_BUFFER_SIZE : 16, /* in_max_output_length */
+ NULL, /* in_output_buffer */
+ SMB2_IOCTL_FLAG_IS_FSCTL);
+
+ if (tevent_req_nomem(subreq, req)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq,
+ cli_smb2_shadow_copy_data_fnum_done,
+ req);
+
+ return req;
+}
+
+static void cli_smb2_shadow_copy_data_fnum_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct cli_smb2_shadow_copy_data_fnum_state *state = tevent_req_data(
+ req, struct cli_smb2_shadow_copy_data_fnum_state);
+ NTSTATUS status;
+
+ status = smb2cli_ioctl_recv(subreq, state,
+ &state->out_input_buffer,
+ &state->out_output_buffer);
+ TALLOC_FREE(subreq);
+ if (tevent_req_nterror(req, status)) {
+ return;
+ }
+ tevent_req_done(req);
+}
+
+static NTSTATUS cli_smb2_shadow_copy_data_fnum_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ bool get_names,
+ char ***pnames,
+ int *pnum_names)
+{
+ struct cli_smb2_shadow_copy_data_fnum_state *state = tevent_req_data(
+ req, struct cli_smb2_shadow_copy_data_fnum_state);
+ char **names = NULL;
+ uint32_t num_names = 0;
+ uint32_t num_names_returned = 0;
+ uint32_t dlength = 0;
+ uint32_t i;
+ uint8_t *endp = NULL;
+ NTSTATUS status;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ return status;
+ }
+
+ if (state->out_output_buffer.length < 16) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+
+ num_names = IVAL(state->out_output_buffer.data, 0);
+ num_names_returned = IVAL(state->out_output_buffer.data, 4);
+ dlength = IVAL(state->out_output_buffer.data, 8);
+
+ if (num_names > 0x7FFFFFFF) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+
+ if (get_names == false) {
+ *pnum_names = (int)num_names;
+ return NT_STATUS_OK;
+ }
+ if (num_names != num_names_returned) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ if (dlength + 12 < 12) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ /*
+ * NB. The below is an allowable return if there are
+ * more snapshots than the buffer size we told the
+ * server we can receive. We currently don't support
+ * this.
+ */
+ if (dlength + 12 > state->out_output_buffer.length) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ if (state->out_output_buffer.length +
+ (2 * sizeof(SHADOW_COPY_LABEL)) <
+ state->out_output_buffer.length) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+
+ names = talloc_array(mem_ctx, char *, num_names_returned);
+ if (names == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ endp = state->out_output_buffer.data +
+ state->out_output_buffer.length;
+
+ for (i=0; i<num_names_returned; i++) {
+ bool ret;
+ uint8_t *src;
+ size_t converted_size;
+
+ src = state->out_output_buffer.data + 12 +
+ (i * 2 * sizeof(SHADOW_COPY_LABEL));
+
+ if (src + (2 * sizeof(SHADOW_COPY_LABEL)) > endp) {
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ ret = convert_string_talloc(
+ names, CH_UTF16LE, CH_UNIX,
+ src, 2 * sizeof(SHADOW_COPY_LABEL),
+ &names[i], &converted_size);
+ if (!ret) {
+ TALLOC_FREE(names);
+ return NT_STATUS_INVALID_NETWORK_RESPONSE;
+ }
+ }
+ *pnum_names = num_names;
+ *pnames = names;
+ return NT_STATUS_OK;
+}
+
+NTSTATUS cli_smb2_shadow_copy_data(TALLOC_CTX *mem_ctx,
+ struct cli_state *cli,
+ uint16_t fnum,
+ bool get_names,
+ char ***pnames,
+ int *pnum_names)
+{
+ TALLOC_CTX *frame = talloc_stackframe();
+ struct tevent_context *ev;
+ struct tevent_req *req;
+ NTSTATUS status = NT_STATUS_NO_MEMORY;
+
+ if (smbXcli_conn_has_async_calls(cli->conn)) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+ ev = samba_tevent_context_init(frame);
+ if (ev == NULL) {
+ goto fail;
+ }
+ req = cli_smb2_shadow_copy_data_fnum_send(frame,
+ ev,
+ cli,
+ fnum,
+ get_names);
+ if (req == NULL) {
+ goto fail;
+ }
+ if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+ goto fail;
+ }
+ status = cli_smb2_shadow_copy_data_fnum_recv(req,
+ mem_ctx,
+ get_names,
+ pnames,
+ pnum_names);
+ fail:
+ cli->raw_status = status;
+
+ TALLOC_FREE(frame);
+ return status;
+}
+
+/***************************************************************
+ Wrapper that allows SMB2 to truncate a file.
+ Synchronous only.
+***************************************************************/
+
+NTSTATUS cli_smb2_ftruncate(struct cli_state *cli,
+ uint16_t fnum,
+ uint64_t newsize)
+{
+ NTSTATUS status;
+ DATA_BLOB inbuf = data_blob_null;
+ struct smb2_hnd *ph = NULL;
+ TALLOC_CTX *frame = talloc_stackframe();
+
+ if (smbXcli_conn_has_async_calls(cli->conn)) {
+ /*
+ * Can't use sync call while an async call is in flight
+ */
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+
+ if (smbXcli_conn_protocol(cli->conn) < PROTOCOL_SMB2_02) {
+ status = NT_STATUS_INVALID_PARAMETER;
+ goto fail;
+ }
+
+ status = map_fnum_to_smb2_handle(cli,
+ fnum,
+ &ph);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto fail;
+ }
+
+ inbuf = data_blob_talloc_zero(frame, 8);
+ if (inbuf.data == NULL) {
+ status = NT_STATUS_NO_MEMORY;
+ goto fail;
+ }
+
+ SBVAL(inbuf.data, 0, newsize);
+
+ /* setinfo on the handle with info_type SMB2_SETINFO_FILE (1),
+ level 20 (SMB_FILE_END_OF_FILE_INFORMATION - 1000). */
+
+ status = smb2cli_set_info(cli->conn,
+ cli->timeout,
+ cli->smb2.session,
+ cli->smb2.tcon,
+ 1, /* in_info_type */
+ /* in_file_info_class */
+ SMB_FILE_END_OF_FILE_INFORMATION - 1000,
+ &inbuf, /* in_input_buffer */
+ 0, /* in_additional_info */
+ ph->fid_persistent,
+ ph->fid_volatile);
+
+ fail:
+
+ cli->raw_status = status;
+
+ TALLOC_FREE(frame);
+ return status;
+}
git.samba.org / sfrench / samba-autobuild / .git / blobdiff