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-rw-r--r--source4/smbd/trans2.c1343
1 files changed, 1343 insertions, 0 deletions
diff --git a/source4/smbd/trans2.c b/source4/smbd/trans2.c
new file mode 100644
index 0000000000..b26dbd505a
--- /dev/null
+++ b/source4/smbd/trans2.c
@@ -0,0 +1,1343 @@
+/*
+ Unix SMB/CIFS implementation.
+ transaction2 handling
+ Copyright (C) Andrew Tridgell 2003
+
+ 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
+ (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.
+*/
+/*
+ This file handles the parsing of transact2 requests
+*/
+
+#include "includes.h"
+
+
+#define CHECK_MIN_BLOB_SIZE(blob, size) do { \
+ if ((blob)->length < (size)) { \
+ return NT_STATUS_INFO_LENGTH_MISMATCH; \
+ }} while (0)
+
+/* grow the data allocation size of a trans2 reply - this guarantees
+ that requests to grow the data size later will not change the
+ pointer */
+static void trans2_grow_data_allocation(struct request_context *req,
+ struct smb_trans2 *trans,
+ uint16 new_size)
+{
+ if (new_size <= trans->out.data.length) {
+ return;
+ }
+ trans->out.data.data = talloc_realloc(req->mem_ctx, trans->out.data.data, new_size);
+}
+
+
+/* grow the data size of a trans2 reply */
+static void trans2_grow_data(struct request_context *req,
+ struct smb_trans2 *trans,
+ uint16 new_size)
+{
+ trans2_grow_data_allocation(req, trans, new_size);
+ trans->out.data.length = new_size;
+}
+
+/* grow the data, zero filling any new bytes */
+static void trans2_grow_data_fill(struct request_context *req,
+ struct smb_trans2 *trans,
+ uint16 new_size)
+{
+ uint16 old_size = trans->out.data.length;
+ trans2_grow_data(req, trans, new_size);
+ if (new_size > old_size) {
+ memset(trans->out.data.data + old_size, 0, new_size - old_size);
+ }
+}
+
+
+/* setup a trans2 reply, given the data and params sizes */
+static void trans2_setup_reply(struct request_context *req,
+ struct smb_trans2 *trans,
+ uint16 param_size, uint16 data_size,
+ uint16 setup_count)
+{
+ trans->out.setup_count = setup_count;
+ if (setup_count != 0) {
+ trans->out.setup = talloc_zero(req->mem_ctx, sizeof(uint16) * setup_count);
+ }
+ trans->out.params = data_blob_talloc(req->mem_ctx, NULL, param_size);
+ trans->out.data = data_blob_talloc(req->mem_ctx, NULL, data_size);
+}
+
+
+/*
+ pull a string from a blob in a trans2 request
+*/
+static size_t trans2_pull_blob_string(struct request_context *req,
+ const DATA_BLOB *blob,
+ uint16 offset,
+ const char **str,
+ int flags)
+{
+ /* we use STR_NO_RANGE_CHECK because the params are allocated
+ separately in a DATA_BLOB, so we need to do our own range
+ checking */
+ if (offset >= blob->length) {
+ *str = NULL;
+ return 0;
+ }
+
+ return req_pull_string(req, str,
+ blob->data + offset,
+ blob->length - offset,
+ STR_NO_RANGE_CHECK | flags);
+}
+
+/*
+ push a string into the data section of a trans2 request
+ return the number of bytes consumed in the output
+*/
+static size_t trans2_push_data_string(struct request_context *req,
+ struct smb_trans2 *trans,
+ uint16 len_offset,
+ uint16 offset,
+ const WIRE_STRING *str,
+ int dest_len,
+ int flags)
+{
+ int alignment = 0, ret = 0, pkt_len;
+
+ /* we use STR_NO_RANGE_CHECK because the params are allocated
+ separately in a DATA_BLOB, so we need to do our own range
+ checking */
+ if (!str->s || offset >= trans->out.data.length) {
+ if (flags & STR_LEN8BIT) {
+ SCVAL(trans->out.data.data, len_offset, 0);
+ } else {
+ SIVAL(trans->out.data.data, len_offset, 0);
+ }
+ return 0;
+ }
+
+ flags |= STR_NO_RANGE_CHECK;
+
+ if (dest_len == -1 || (dest_len > trans->out.data.length - offset)) {
+ dest_len = trans->out.data.length - offset;
+ }
+
+ if (!(flags & (STR_ASCII|STR_UNICODE))) {
+ flags |= (req->smb->negotiate.client_caps & CAP_UNICODE) ? STR_UNICODE : STR_ASCII;
+ }
+
+ if ((offset&1) && (flags & STR_UNICODE) && !(flags & STR_NOALIGN)) {
+ alignment = 1;
+ if (dest_len > 0) {
+ SCVAL(trans->out.data.data + offset, 0, 0);
+ ret = push_string(NULL, trans->out.data.data + offset + 1, str->s, dest_len-1, flags);
+ }
+ } else {
+ ret = push_string(NULL, trans->out.data.data + offset, str->s, dest_len, flags);
+ }
+
+ /* sometimes the string needs to be terminated, but the length
+ on the wire must not include the termination! */
+ pkt_len = ret;
+
+ if ((flags & STR_LEN_NOTERM) && (flags & STR_TERMINATE)) {
+ if ((flags & STR_UNICODE) && ret >= 2) {
+ pkt_len = ret-2;
+ }
+ if ((flags & STR_ASCII) && ret >= 1) {
+ pkt_len = ret-1;
+ }
+ }
+
+ if (flags & STR_LEN8BIT) {
+ SCVAL(trans->out.data.data, len_offset, pkt_len);
+ } else {
+ SIVAL(trans->out.data.data, len_offset, pkt_len);
+ }
+
+ return ret + alignment;
+}
+
+/*
+ append a string to the data section of a trans2 reply
+ len_offset points to the place in the packet where the length field
+ should go
+*/
+static void trans2_append_data_string(struct request_context *req,
+ struct smb_trans2 *trans,
+ const WIRE_STRING *str,
+ uint_t len_offset,
+ int flags)
+{
+ size_t ret;
+ uint16 offset;
+ const int max_bytes_per_char = 3;
+
+ offset = trans->out.data.length;
+ trans2_grow_data(req, trans, offset + (2+strlen(str->s))*max_bytes_per_char);
+ ret = trans2_push_data_string(req, trans, len_offset, offset, str, -1, flags);
+ trans2_grow_data(req, trans, offset + ret);
+}
+
+
+/*
+ trans2 qfsinfo implementation
+*/
+static NTSTATUS trans2_qfsinfo(struct request_context *req, struct smb_trans2 *trans)
+{
+ union smb_fsinfo fsinfo;
+ NTSTATUS status;
+ uint16 level;
+ uint_t i;
+
+ /* make sure we got enough parameters */
+ if (trans->in.params.length != 2) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ level = SVAL(trans->in.params.data, 0);
+
+ switch (level) {
+ case SMB_QFS_ALLOCATION:
+ fsinfo.allocation.level = RAW_QFS_ALLOCATION;
+
+ status = req->conn->ntvfs_ops->fsinfo(req, &fsinfo);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ trans2_setup_reply(req, trans, 0, 18, 0);
+
+ SIVAL(trans->out.data.data, 0, fsinfo.allocation.out.fs_id);
+ SIVAL(trans->out.data.data, 4, fsinfo.allocation.out.sectors_per_unit);
+ SIVAL(trans->out.data.data, 8, fsinfo.allocation.out.total_alloc_units);
+ SIVAL(trans->out.data.data, 12, fsinfo.allocation.out.avail_alloc_units);
+ SSVAL(trans->out.data.data, 16, fsinfo.allocation.out.bytes_per_sector);
+
+ return NT_STATUS_OK;
+
+ case SMB_QFS_VOLUME:
+ fsinfo.volume.level = RAW_QFS_VOLUME;
+
+ status = req->conn->ntvfs_ops->fsinfo(req, &fsinfo);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ trans2_setup_reply(req, trans, 0, 5, 0);
+
+ SIVAL(trans->out.data.data, 0, fsinfo.volume.out.serial_number);
+ /* w2k3 implements this incorrectly for unicode - it
+ * leaves the last byte off the string */
+ trans2_append_data_string(req, trans,
+ &fsinfo.volume.out.volume_name,
+ 4, STR_LEN8BIT|STR_NOALIGN);
+
+ return NT_STATUS_OK;
+
+ case SMB_QFS_VOLUME_INFO:
+ case SMB_QFS_VOLUME_INFORMATION:
+ fsinfo.volume_info.level = RAW_QFS_VOLUME_INFO;
+
+ status = req->conn->ntvfs_ops->fsinfo(req, &fsinfo);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ trans2_setup_reply(req, trans, 0, 18, 0);
+
+ push_nttime(trans->out.data.data, 0, &fsinfo.volume_info.out.create_time);
+ SIVAL(trans->out.data.data, 8, fsinfo.volume_info.out.serial_number);
+ trans2_append_data_string(req, trans,
+ &fsinfo.volume_info.out.volume_name,
+ 12, STR_UNICODE);
+
+ return NT_STATUS_OK;
+
+ case SMB_QFS_SIZE_INFO:
+ case SMB_QFS_SIZE_INFORMATION:
+ fsinfo.size_info.level = RAW_QFS_SIZE_INFO;
+
+ status = req->conn->ntvfs_ops->fsinfo(req, &fsinfo);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ trans2_setup_reply(req, trans, 0, 24, 0);
+
+ SBVAL(trans->out.data.data, 0, fsinfo.size_info.out.total_alloc_units);
+ SBVAL(trans->out.data.data, 8, fsinfo.size_info.out.avail_alloc_units);
+ SIVAL(trans->out.data.data, 16, fsinfo.size_info.out.sectors_per_unit);
+ SIVAL(trans->out.data.data, 20, fsinfo.size_info.out.bytes_per_sector);
+
+ return NT_STATUS_OK;
+
+ case SMB_QFS_DEVICE_INFO:
+ case SMB_QFS_DEVICE_INFORMATION:
+ fsinfo.device_info.level = RAW_QFS_DEVICE_INFO;
+
+ status = req->conn->ntvfs_ops->fsinfo(req, &fsinfo);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+ trans2_setup_reply(req, trans, 0, 8, 0);
+ SIVAL(trans->out.data.data, 0, fsinfo.device_info.out.device_type);
+ SIVAL(trans->out.data.data, 4, fsinfo.device_info.out.characteristics);
+ return NT_STATUS_OK;
+
+
+ case SMB_QFS_ATTRIBUTE_INFO:
+ case SMB_QFS_ATTRIBUTE_INFORMATION:
+ fsinfo.attribute_info.level = RAW_QFS_ATTRIBUTE_INFO;
+
+ status = req->conn->ntvfs_ops->fsinfo(req, &fsinfo);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ trans2_setup_reply(req, trans, 0, 12, 0);
+
+ SIVAL(trans->out.data.data, 0, fsinfo.attribute_info.out.fs_attr);
+ SIVAL(trans->out.data.data, 4, fsinfo.attribute_info.out.max_file_component_length);
+ /* this must not be null terminated or win98 gets
+ confused! also note that w2k3 returns this as
+ unicode even when ascii is negotiated */
+ trans2_append_data_string(req, trans,
+ &fsinfo.attribute_info.out.fs_type,
+ 8, STR_UNICODE);
+ return NT_STATUS_OK;
+
+
+ case SMB_QFS_QUOTA_INFORMATION:
+ fsinfo.quota_information.level = RAW_QFS_QUOTA_INFORMATION;
+
+ status = req->conn->ntvfs_ops->fsinfo(req, &fsinfo);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ trans2_setup_reply(req, trans, 0, 48, 0);
+
+ SBVAL(trans->out.data.data, 0, fsinfo.quota_information.out.unknown[0]);
+ SBVAL(trans->out.data.data, 8, fsinfo.quota_information.out.unknown[1]);
+ SBVAL(trans->out.data.data, 16, fsinfo.quota_information.out.unknown[2]);
+ SBVAL(trans->out.data.data, 24, fsinfo.quota_information.out.quota_soft);
+ SBVAL(trans->out.data.data, 32, fsinfo.quota_information.out.quota_hard);
+ SBVAL(trans->out.data.data, 40, fsinfo.quota_information.out.quota_flags);
+
+ return NT_STATUS_OK;
+
+
+ case SMB_QFS_FULL_SIZE_INFORMATION:
+ fsinfo.full_size_information.level = RAW_QFS_FULL_SIZE_INFORMATION;
+
+ status = req->conn->ntvfs_ops->fsinfo(req, &fsinfo);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ trans2_setup_reply(req, trans, 0, 32, 0);
+
+ SBVAL(trans->out.data.data, 0, fsinfo.full_size_information.out.total_alloc_units);
+ SBVAL(trans->out.data.data, 8, fsinfo.full_size_information.out.call_avail_alloc_units);
+ SBVAL(trans->out.data.data, 16, fsinfo.full_size_information.out.actual_avail_alloc_units);
+ SIVAL(trans->out.data.data, 24, fsinfo.full_size_information.out.sectors_per_unit);
+ SIVAL(trans->out.data.data, 28, fsinfo.full_size_information.out.bytes_per_sector);
+
+ return NT_STATUS_OK;
+
+ case SMB_QFS_OBJECTID_INFORMATION:
+ fsinfo.objectid_information.level = RAW_QFS_OBJECTID_INFORMATION;
+
+ status = req->conn->ntvfs_ops->fsinfo(req, &fsinfo);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ trans2_setup_reply(req, trans, 0, 64, 0);
+
+ memcpy(trans->out.data.data, fsinfo.objectid_information.out.guid.info, GUID_SIZE);
+ for (i=0;i<6;i++) {
+ SBVAL(trans->out.data.data, 16 + 8*i, fsinfo.objectid_information.out.unknown[i]);
+ }
+ return NT_STATUS_OK;
+ }
+
+ return NT_STATUS_INVALID_LEVEL;
+}
+
+/*
+ fill in the reply from a qpathinfo or qfileinfo call
+*/
+static NTSTATUS trans2_fileinfo_fill(struct request_context *req, struct smb_trans2 *trans,
+ union smb_fileinfo *st)
+{
+ uint_t i;
+
+ switch (st->generic.level) {
+ case RAW_FILEINFO_GENERIC:
+ case RAW_FILEINFO_GETATTR:
+ case RAW_FILEINFO_GETATTRE:
+ /* handled elsewhere */
+ return NT_STATUS_INVALID_LEVEL;
+
+ case RAW_FILEINFO_BASIC_INFO:
+ case RAW_FILEINFO_BASIC_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 40, 0);
+
+ SSVAL(trans->out.params.data, 0, 0);
+ push_nttime(trans->out.data.data, 0, &st->basic_info.out.create_time);
+ push_nttime(trans->out.data.data, 8, &st->basic_info.out.access_time);
+ push_nttime(trans->out.data.data, 16, &st->basic_info.out.write_time);
+ push_nttime(trans->out.data.data, 24, &st->basic_info.out.change_time);
+ SIVAL(trans->out.data.data, 32, st->basic_info.out.attrib);
+ SIVAL(trans->out.data.data, 36, 0); /* padding */
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_STANDARD:
+ trans2_setup_reply(req, trans, 2, 22, 0);
+
+ SSVAL(trans->out.params.data, 0, 0);
+ put_dos_date2(trans->out.data.data, 0, st->standard.out.create_time);
+ put_dos_date2(trans->out.data.data, 4, st->standard.out.access_time);
+ put_dos_date2(trans->out.data.data, 8, st->standard.out.write_time);
+ SIVAL(trans->out.data.data, 12, st->standard.out.size);
+ SIVAL(trans->out.data.data, 16, st->standard.out.alloc_size);
+ SSVAL(trans->out.data.data, 20, st->standard.out.attrib);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_EA_SIZE:
+ trans2_setup_reply(req, trans, 2, 26, 0);
+
+ SSVAL(trans->out.params.data, 0, 0);
+ put_dos_date2(trans->out.data.data, 0, st->ea_size.out.create_time);
+ put_dos_date2(trans->out.data.data, 4, st->ea_size.out.access_time);
+ put_dos_date2(trans->out.data.data, 8, st->ea_size.out.write_time);
+ SIVAL(trans->out.data.data, 12, st->ea_size.out.size);
+ SIVAL(trans->out.data.data, 16, st->ea_size.out.alloc_size);
+ SSVAL(trans->out.data.data, 20, st->ea_size.out.attrib);
+ SIVAL(trans->out.data.data, 22, st->ea_size.out.ea_size);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 56, 0);
+
+ SSVAL(trans->out.params.data, 0, 0);
+ push_nttime(trans->out.data.data, 0, &st->network_open_information.out.create_time);
+ push_nttime(trans->out.data.data, 8, &st->network_open_information.out.access_time);
+ push_nttime(trans->out.data.data, 16, &st->network_open_information.out.write_time);
+ push_nttime(trans->out.data.data, 24, &st->network_open_information.out.change_time);
+ SBVAL(trans->out.data.data, 32, st->network_open_information.out.alloc_size);
+ SBVAL(trans->out.data.data, 40, st->network_open_information.out.size);
+ SIVAL(trans->out.data.data, 48, st->network_open_information.out.attrib);
+ SIVAL(trans->out.data.data, 52, 0); /* padding */
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_STANDARD_INFO:
+ case RAW_FILEINFO_STANDARD_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 24, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ SBVAL(trans->out.data.data, 0, st->standard_info.out.alloc_size);
+ SBVAL(trans->out.data.data, 8, st->standard_info.out.size);
+ SIVAL(trans->out.data.data, 16, st->standard_info.out.nlink);
+ SCVAL(trans->out.data.data, 20, st->standard_info.out.delete_pending);
+ SCVAL(trans->out.data.data, 21, st->standard_info.out.directory);
+ SSVAL(trans->out.data.data, 22, 0); /* padding */
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 8, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ SIVAL(trans->out.data.data, 0, st->attribute_tag_information.out.attrib);
+ SIVAL(trans->out.data.data, 4, st->attribute_tag_information.out.reparse_tag);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_EA_INFO:
+ case RAW_FILEINFO_EA_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 4, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ SIVAL(trans->out.data.data, 0, st->ea_info.out.ea_size);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_MODE_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 4, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ SIVAL(trans->out.data.data, 0, st->mode_information.out.mode);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_ALIGNMENT_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 4, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ SIVAL(trans->out.data.data, 0,
+ st->alignment_information.out.alignment_requirement);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_ALL_EAS:
+ if (st->all_eas.out.num_eas == 0) {
+ trans2_setup_reply(req, trans, 2, 4, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ SIVAL(trans->out.data.data, 0, 0);
+ } else {
+ uint32 list_size = ea_list_size(st->all_eas.out.num_eas,
+ st->all_eas.out.eas);
+ trans2_setup_reply(req, trans, 2, list_size, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ ea_put_list(trans->out.data.data,
+ st->all_eas.out.num_eas, st->all_eas.out.eas);
+ }
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_ACCESS_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 4, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ SIVAL(trans->out.data.data, 0, st->access_information.out.access_flags);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_POSITION_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 8, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ SBVAL(trans->out.data.data, 0, st->position_information.out.position);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_COMPRESSION_INFO:
+ case RAW_FILEINFO_COMPRESSION_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 16, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ SBVAL(trans->out.data.data, 0, st->compression_info.out.compressed_size);
+ SSVAL(trans->out.data.data, 8, st->compression_info.out.format);
+ SCVAL(trans->out.data.data, 10, st->compression_info.out.unit_shift);
+ SCVAL(trans->out.data.data, 11, st->compression_info.out.chunk_shift);
+ SCVAL(trans->out.data.data, 12, st->compression_info.out.cluster_shift);
+ SSVAL(trans->out.data.data, 13, 0); /* 3 bytes padding */
+ SCVAL(trans->out.data.data, 15, 0);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_IS_NAME_VALID:
+ trans2_setup_reply(req, trans, 2, 0, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_INTERNAL_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 8, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ SIVAL(trans->out.data.data, 0, st->internal_information.out.device);
+ SIVAL(trans->out.data.data, 4, st->internal_information.out.inode);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_ALL_INFO:
+ case RAW_FILEINFO_ALL_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 72, 0);
+
+ SSVAL(trans->out.params.data, 0, 0);
+ push_nttime(trans->out.data.data, 0, &st->all_info.out.create_time);
+ push_nttime(trans->out.data.data, 8, &st->all_info.out.access_time);
+ push_nttime(trans->out.data.data, 16, &st->all_info.out.write_time);
+ push_nttime(trans->out.data.data, 24, &st->all_info.out.change_time);
+ SIVAL(trans->out.data.data, 32, st->all_info.out.attrib);
+ SBVAL(trans->out.data.data, 40, st->all_info.out.alloc_size);
+ SBVAL(trans->out.data.data, 48, st->all_info.out.size);
+ SIVAL(trans->out.data.data, 56, st->all_info.out.nlink);
+ SCVAL(trans->out.data.data, 60, st->all_info.out.delete_pending);
+ SCVAL(trans->out.data.data, 61, st->all_info.out.directory);
+ SSVAL(trans->out.data.data, 62, 0); /* padding */
+ SIVAL(trans->out.data.data, 64, st->all_info.out.ea_size);
+ trans2_append_data_string(req, trans, &st->all_info.out.fname,
+ 68, 0);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_NAME_INFO:
+ case RAW_FILEINFO_NAME_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 4, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ trans2_append_data_string(req, trans, &st->name_info.out.fname, 0, 0);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_ALT_NAME_INFO:
+ case RAW_FILEINFO_ALT_NAME_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 4, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ trans2_append_data_string(req, trans, &st->alt_name_info.out.fname, 0, 0);
+ return NT_STATUS_OK;
+
+ case RAW_FILEINFO_STREAM_INFO:
+ case RAW_FILEINFO_STREAM_INFORMATION:
+ trans2_setup_reply(req, trans, 2, 0, 0);
+
+ SSVAL(trans->out.params.data, 0, 0);
+
+ for (i=0;i<st->stream_info.out.num_streams;i++) {
+ uint16 data_size = trans->out.data.length;
+ char *data;
+
+ trans2_grow_data(req, trans, data_size + 24);
+ data = trans->out.data.data + data_size;
+ SBVAL(data, 8, st->stream_info.out.streams[i].size);
+ SBVAL(data, 16, st->stream_info.out.streams[i].alloc_size);
+ trans2_append_data_string(req, trans,
+ &st->stream_info.out.streams[i].stream_name,
+ data_size + 4, STR_UNICODE);
+ if (i == st->stream_info.out.num_streams - 1) {
+ SIVAL(trans->out.data.data, data_size, 0);
+ } else {
+ trans2_grow_data_fill(req, trans, (trans->out.data.length+7)&~7);
+ SIVAL(trans->out.data.data, data_size,
+ trans->out.data.length - data_size);
+ }
+ }
+ return NT_STATUS_OK;
+ }
+
+ return NT_STATUS_INVALID_LEVEL;
+}
+
+/*
+ trans2 qpathinfo implementation
+*/
+static NTSTATUS trans2_qpathinfo(struct request_context *req, struct smb_trans2 *trans)
+{
+ union smb_fileinfo st;
+ NTSTATUS status;
+ uint16 level;
+
+ /* make sure we got enough parameters */
+ if (trans->in.params.length < 8) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ level = SVAL(trans->in.params.data, 0);
+
+ trans2_pull_blob_string(req, &trans->in.params, 6, &st.generic.in.fname, 0);
+ if (st.generic.in.fname == NULL) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ /* work out the backend level - we make it 1-1 in the header */
+ st.generic.level = (enum fileinfo_level)level;
+ if (st.generic.level >= RAW_FILEINFO_GENERIC) {
+ return NT_STATUS_INVALID_LEVEL;
+ }
+
+ /* call the backend */
+ status = req->conn->ntvfs_ops->qpathinfo(req, &st);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ /* fill in the reply parameters */
+ status = trans2_fileinfo_fill(req, trans, &st);
+
+ return status;
+}
+
+
+/*
+ trans2 qpathinfo implementation
+*/
+static NTSTATUS trans2_qfileinfo(struct request_context *req, struct smb_trans2 *trans)
+{
+ union smb_fileinfo st;
+ NTSTATUS status;
+ uint16 level;
+
+ /* make sure we got enough parameters */
+ if (trans->in.params.length < 4) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ st.generic.in.fnum = SVAL(trans->in.params.data, 0);
+ level = SVAL(trans->in.params.data, 2);
+
+ /* work out the backend level - we make it 1-1 in the header */
+ st.generic.level = (enum fileinfo_level)level;
+ if (st.generic.level >= RAW_FILEINFO_GENERIC) {
+ return NT_STATUS_INVALID_LEVEL;
+ }
+
+ /* call the backend */
+ status = req->conn->ntvfs_ops->qfileinfo(req, &st);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ /* fill in the reply parameters */
+ status = trans2_fileinfo_fill(req, trans, &st);
+
+ return status;
+}
+
+
+/*
+ parse a trans2 setfileinfo/setpathinfo data blob
+*/
+static NTSTATUS trans2_parse_sfileinfo(struct request_context *req,
+ union smb_setfileinfo *st,
+ const DATA_BLOB *blob)
+{
+ uint32 len;
+
+ switch (st->generic.level) {
+ case RAW_SFILEINFO_GENERIC:
+ case RAW_SFILEINFO_SETATTR:
+ case RAW_SFILEINFO_SETATTRE:
+ /* handled elsewhere */
+ return NT_STATUS_INVALID_LEVEL;
+
+ case RAW_SFILEINFO_STANDARD:
+ CHECK_MIN_BLOB_SIZE(blob, 12);
+ st->standard.in.create_time = make_unix_date2(blob->data + 0);
+ st->standard.in.access_time = make_unix_date2(blob->data + 4);
+ st->standard.in.write_time = make_unix_date2(blob->data + 8);
+ return NT_STATUS_OK;
+
+ case RAW_SFILEINFO_EA_SET:
+ CHECK_MIN_BLOB_SIZE(blob, 4);
+ len = IVAL(blob->data, 0);
+ if (len > blob->length || len < 4) {
+ return NT_STATUS_INFO_LENGTH_MISMATCH;
+ }
+ {
+ DATA_BLOB blob2;
+ blob2.data = blob->data+4;
+ blob2.length = len-4;
+ len = ea_pull_struct(&blob2, req->mem_ctx, &st->ea_set.in.ea);
+ }
+ if (len == 0) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ return NT_STATUS_OK;
+
+ case SMB_SFILEINFO_BASIC_INFO:
+ case SMB_SFILEINFO_BASIC_INFORMATION:
+ CHECK_MIN_BLOB_SIZE(blob, 36);
+ st->basic_info.in.create_time = pull_nttime(blob->data, 0);
+ st->basic_info.in.access_time = pull_nttime(blob->data, 8);
+ st->basic_info.in.write_time = pull_nttime(blob->data, 16);
+ st->basic_info.in.change_time = pull_nttime(blob->data, 24);
+ st->basic_info.in.attrib = IVAL(blob->data, 32);
+ return NT_STATUS_OK;
+
+ case SMB_SFILEINFO_DISPOSITION_INFO:
+ case SMB_SFILEINFO_DISPOSITION_INFORMATION:
+ CHECK_MIN_BLOB_SIZE(blob, 1);
+ st->disposition_info.in.delete_on_close = CVAL(blob->data, 0);
+ return NT_STATUS_OK;
+
+ case SMB_SFILEINFO_ALLOCATION_INFO:
+ case SMB_SFILEINFO_ALLOCATION_INFORMATION:
+ CHECK_MIN_BLOB_SIZE(blob, 8);
+ st->allocation_info.in.alloc_size = BVAL(blob->data, 0);
+ return NT_STATUS_OK;
+
+ case RAW_SFILEINFO_END_OF_FILE_INFO:
+ case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
+ CHECK_MIN_BLOB_SIZE(blob, 8);
+ st->end_of_file_info.in.size = BVAL(blob->data, 0);
+ return NT_STATUS_OK;
+
+ case RAW_SFILEINFO_RENAME_INFORMATION: {
+ DATA_BLOB blob2;
+
+ CHECK_MIN_BLOB_SIZE(blob, 12);
+ st->rename_information.in.overwrite = CVAL(blob->data, 0);
+ st->rename_information.in.root_fid = IVAL(blob->data, 4);
+ len = IVAL(blob->data, 8);
+ blob2.data = blob->data+12;
+ blob2.length = MIN(blob->length, len);
+ trans2_pull_blob_string(req, &blob2, 0,
+ &st->rename_information.in.new_name, 0);
+ return NT_STATUS_OK;
+ }
+
+ case RAW_SFILEINFO_POSITION_INFORMATION:
+ CHECK_MIN_BLOB_SIZE(blob, 8);
+ st->position_information.in.position = BVAL(blob->data, 0);
+ return NT_STATUS_OK;
+
+ case RAW_SFILEINFO_MODE_INFORMATION:
+ CHECK_MIN_BLOB_SIZE(blob, 4);
+ st->mode_information.in.mode = IVAL(blob->data, 0);
+ return NT_STATUS_OK;
+ }
+
+ return NT_STATUS_INVALID_LEVEL;
+}
+
+/*
+ trans2 setfileinfo implementation
+*/
+static NTSTATUS trans2_setfileinfo(struct request_context *req, struct smb_trans2 *trans)
+{
+ union smb_setfileinfo st;
+ NTSTATUS status;
+ uint16 level, fnum;
+ DATA_BLOB *blob;
+
+ /* make sure we got enough parameters */
+ if (trans->in.params.length < 4) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ fnum = SVAL(trans->in.params.data, 0);
+ level = SVAL(trans->in.params.data, 2);
+
+ blob = &trans->in.data;
+
+ st.generic.file.fnum = fnum;
+ st.generic.level = (enum setfileinfo_level)level;
+
+ status = trans2_parse_sfileinfo(req, &st, blob);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ status = req->conn->ntvfs_ops->setfileinfo(req, &st);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ trans2_setup_reply(req, trans, 2, 0, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ return NT_STATUS_OK;
+}
+
+/*
+ trans2 setpathinfo implementation
+*/
+static NTSTATUS trans2_setpathinfo(struct request_context *req, struct smb_trans2 *trans)
+{
+ union smb_setfileinfo st;
+ NTSTATUS status;
+ uint16 level;
+ DATA_BLOB *blob;
+
+ /* make sure we got enough parameters */
+ if (trans->in.params.length < 4) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ level = SVAL(trans->in.params.data, 0);
+ blob = &trans->in.data;
+ st.generic.level = (enum setfileinfo_level)level;
+
+ trans2_pull_blob_string(req, &trans->in.params, 4, &st.generic.file.fname, 0);
+ if (st.generic.file.fname == NULL) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ status = trans2_parse_sfileinfo(req, &st, blob);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ status = req->conn->ntvfs_ops->setpathinfo(req, &st);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ trans2_setup_reply(req, trans, 2, 0, 0);
+ SSVAL(trans->out.params.data, 0, 0);
+ return NT_STATUS_OK;
+}
+
+
+/* a structure to encapsulate the state information about an in-progress ffirst/fnext operation */
+struct find_state {
+ struct request_context *req;
+ struct smb_trans2 *trans;
+ enum search_level level;
+ uint16 last_entry_offset;
+};
+
+/*
+ fill a single entry in a trans2 find reply
+*/
+static void find_fill_info(struct request_context *req,
+ struct smb_trans2 *trans,
+ enum search_level level,
+ union smb_search_data *file)
+{
+ char *data;
+ uint_t ofs = trans->out.data.length;
+
+ switch (level) {
+ case RAW_SEARCH_SEARCH:
+ case RAW_SEARCH_GENERIC:
+ /* handled elsewhere */
+ break;
+
+ case RAW_SEARCH_STANDARD:
+ trans2_grow_data(req, trans, ofs + 23);
+ data = trans->out.data.data + ofs;
+ put_dos_date2(data, 0, file->standard.create_time);
+ put_dos_date2(data, 4, file->standard.access_time);
+ put_dos_date2(data, 8, file->standard.write_time);
+ SIVAL(data, 12, file->standard.size);
+ SIVAL(data, 16, file->standard.alloc_size);
+ SSVAL(data, 20, file->standard.attrib);
+ trans2_append_data_string(req, trans, &file->standard.name,
+ ofs + 22, STR_LEN8BIT | STR_TERMINATE | STR_LEN_NOTERM);
+ break;
+
+ case RAW_SEARCH_EA_SIZE:
+ trans2_grow_data(req, trans, ofs + 27);
+ data = trans->out.data.data + ofs;
+ put_dos_date2(data, 0, file->ea_size.create_time);
+ put_dos_date2(data, 4, file->ea_size.access_time);
+ put_dos_date2(data, 8, file->ea_size.write_time);
+ SIVAL(data, 12, file->ea_size.size);
+ SIVAL(data, 16, file->ea_size.alloc_size);
+ SSVAL(data, 20, file->ea_size.attrib);
+ SIVAL(data, 22, file->ea_size.ea_size);
+ trans2_append_data_string(req, trans, &file->ea_size.name,
+ ofs + 26, STR_LEN8BIT | STR_NOALIGN);
+ break;
+
+ case RAW_SEARCH_DIRECTORY_INFO:
+ trans2_grow_data(req, trans, ofs + 64);
+ data = trans->out.data.data + ofs;
+ SIVAL(data, 4, file->directory_info.file_index);
+ push_nttime(data, 8, &file->directory_info.create_time);
+ push_nttime(data, 16, &file->directory_info.access_time);
+ push_nttime(data, 24, &file->directory_info.write_time);
+ push_nttime(data, 32, &file->directory_info.change_time);
+ SBVAL(data, 40, file->directory_info.size);
+ SBVAL(data, 48, file->directory_info.alloc_size);
+ SIVAL(data, 56, file->directory_info.attrib);
+ trans2_append_data_string(req, trans, &file->directory_info.name,
+ ofs + 60, 0);
+ data = trans->out.data.data + ofs;
+ SIVAL(data, 0, trans->out.data.length - ofs);
+ break;
+
+ case RAW_SEARCH_FULL_DIRECTORY_INFO:
+ trans2_grow_data(req, trans, ofs + 68);
+ data = trans->out.data.data + ofs;
+ SIVAL(data, 4, file->full_directory_info.file_index);
+ push_nttime(data, 8, &file->full_directory_info.create_time);
+ push_nttime(data, 16, &file->full_directory_info.access_time);
+ push_nttime(data, 24, &file->full_directory_info.write_time);
+ push_nttime(data, 32, &file->full_directory_info.change_time);
+ SBVAL(data, 40, file->full_directory_info.size);
+ SBVAL(data, 48, file->full_directory_info.alloc_size);
+ SIVAL(data, 56, file->full_directory_info.attrib);
+ SIVAL(data, 64, file->full_directory_info.ea_size);
+ trans2_append_data_string(req, trans, &file->full_directory_info.name,
+ ofs + 60, 0);
+ data = trans->out.data.data + ofs;
+ SIVAL(data, 0, trans->out.data.length - ofs);
+ break;
+
+ case RAW_SEARCH_NAME_INFO:
+ trans2_grow_data(req, trans, ofs + 12);
+ data = trans->out.data.data + ofs;
+ SIVAL(data, 4, file->name_info.file_index);
+ trans2_append_data_string(req, trans, &file->name_info.name,
+ ofs + 8, 0);
+ data = trans->out.data.data + ofs;
+ SIVAL(data, 0, trans->out.data.length - ofs);
+ break;
+
+ case RAW_SEARCH_BOTH_DIRECTORY_INFO:
+ trans2_grow_data(req, trans, ofs + 94);
+ data = trans->out.data.data + ofs;
+ SIVAL(data, 4, file->both_directory_info.file_index);
+ push_nttime(data, 8, &file->both_directory_info.create_time);
+ push_nttime(data, 16, &file->both_directory_info.access_time);
+ push_nttime(data, 24, &file->both_directory_info.write_time);
+ push_nttime(data, 32, &file->both_directory_info.change_time);
+ SBVAL(data, 40, file->both_directory_info.size);
+ SBVAL(data, 48, file->both_directory_info.alloc_size);
+ SIVAL(data, 56, file->both_directory_info.attrib);
+ SIVAL(data, 64, file->both_directory_info.ea_size);
+ SCVAL(data, 69, 0); /* reserved */
+ memset(data+70,0,24);
+ trans2_push_data_string(req, trans,
+ 68 + ofs, 70 + ofs,
+ &file->both_directory_info.short_name,
+ 24, STR_UNICODE | STR_LEN8BIT);
+ trans2_append_data_string(req, trans, &file->both_directory_info.name,
+ ofs + 60, 0);
+ data = trans->out.data.data + ofs;
+ SIVAL(data, 0, trans->out.data.length - ofs);
+ break;
+
+ case RAW_SEARCH_261:
+ trans2_grow_data(req, trans, ofs + 80);
+ data = trans->out.data.data + ofs;
+ SIVAL(data, 4, file->level_261.file_index);
+ push_nttime(data, 8, &file->level_261.create_time);
+ push_nttime(data, 16, &file->level_261.access_time);
+ push_nttime(data, 24, &file->level_261.write_time);
+ push_nttime(data, 32, &file->level_261.change_time);
+ SBVAL(data, 40, file->level_261.size);
+ SBVAL(data, 48, file->level_261.alloc_size);
+ SIVAL(data, 56, file->level_261.attrib);
+ SIVAL(data, 64, file->level_261.ea_size);
+ SIVAL(data, 68, file->level_261.unknown[0]);
+ SIVAL(data, 72, file->level_261.unknown[1]);
+ SIVAL(data, 76, file->level_261.unknown[2]);
+ trans2_append_data_string(req, trans, &file->level_261.name,
+ ofs + 60, 0);
+ data = trans->out.data.data + ofs;
+ SIVAL(data, 0, trans->out.data.length - ofs);
+ break;
+
+ case RAW_SEARCH_262:
+ trans2_grow_data(req, trans, ofs + 104);
+ data = trans->out.data.data + ofs;
+ SIVAL(data, 4, file->level_262.file_index);
+ push_nttime(data, 8, &file->level_262.create_time);
+ push_nttime(data, 16, &file->level_262.access_time);
+ push_nttime(data, 24, &file->level_262.write_time);
+ push_nttime(data, 32, &file->level_262.change_time);
+ SBVAL(data, 40, file->level_262.size);
+ SBVAL(data, 48, file->level_262.alloc_size);
+ SIVAL(data, 56, file->level_262.attrib);
+ SIVAL(data, 64, file->level_262.ea_size);
+ SCVAL(data, 69, 0); /* reserved */
+ memset(data+70,0,24);
+ trans2_push_data_string(req, trans,
+ 68 + ofs, 70 + ofs,
+ &file->level_262.short_name,
+ 24, STR_UNICODE | STR_LEN8BIT);
+ SIVAL(data, 94, file->level_262.unknown[0]);
+ SIVAL(data, 98, file->level_262.unknown[1]);
+ SSVAL(data, 102, 0); /* reserved? */
+ trans2_append_data_string(req, trans, &file->level_262.name,
+ ofs + 60, 0);
+ data = trans->out.data.data + ofs;
+ SIVAL(data, 0, trans->out.data.length - ofs);
+ break;
+ }
+}
+
+/* callback function for trans2 findfirst/findnext */
+static BOOL find_callback(void *private, union smb_search_data *file)
+{
+ struct find_state *state = (struct find_state *)private;
+ struct smb_trans2 *trans = state->trans;
+ uint_t old_length;
+
+ old_length = trans->out.data.length;
+
+ find_fill_info(state->req, trans, state->level, file);
+
+ /* see if we have gone beyond the user specified maximum */
+ if (trans->out.data.length > trans->in.max_data) {
+ /* restore the old length and tell the backend to stop */
+ trans2_grow_data(state->req, trans, old_length);
+ return False;
+ }
+
+ state->last_entry_offset = old_length;
+ return True;
+}
+
+
+/*
+ trans2 findfirst implementation
+*/
+static NTSTATUS trans2_findfirst(struct request_context *req, struct smb_trans2 *trans)
+{
+ union smb_search_first search;
+ NTSTATUS status;
+ uint16 level;
+ char *param;
+ struct find_state state;
+
+ /* make sure we got all the parameters */
+ if (trans->in.params.length < 14) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ search.t2ffirst.in.search_attrib = SVAL(trans->in.params.data, 0);
+ search.t2ffirst.in.max_count = SVAL(trans->in.params.data, 2);
+ search.t2ffirst.in.flags = SVAL(trans->in.params.data, 4);
+ level = SVAL(trans->in.params.data, 6);
+ search.t2ffirst.in.storage_type = IVAL(trans->in.params.data, 8);
+
+ trans2_pull_blob_string(req, &trans->in.params, 12, &search.t2ffirst.in.pattern, 0);
+ if (search.t2ffirst.in.pattern == NULL) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ search.t2ffirst.level = (enum search_level)level;
+ if (search.t2ffirst.level >= RAW_SEARCH_GENERIC) {
+ return NT_STATUS_INVALID_LEVEL;
+ }
+
+ /* setup the private state structure that the backend will give us in the callback */
+ state.req = req;
+ state.trans = trans;
+ state.level = search.t2ffirst.level;
+ state.last_entry_offset = 0;
+
+ /* setup for just a header in the reply */
+ trans2_setup_reply(req, trans, 10, 0, 0);
+
+ /* call the backend */
+ status = req->conn->ntvfs_ops->search_first(req, &search, &state, find_callback);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ /* fill in the findfirst reply header */
+ param = trans->out.params.data;
+ SSVAL(param, VWV(0), search.t2ffirst.out.handle);
+ SSVAL(param, VWV(1), search.t2ffirst.out.count);
+ SSVAL(param, VWV(2), search.t2ffirst.out.end_of_search);
+ SSVAL(param, VWV(3), 0);
+ SSVAL(param, VWV(4), state.last_entry_offset);
+
+ return NT_STATUS_OK;
+}
+
+
+/*
+ trans2 findnext implementation
+*/
+static NTSTATUS trans2_findnext(struct request_context *req, struct smb_trans2 *trans)
+{
+ union smb_search_next search;
+ NTSTATUS status;
+ uint16 level;
+ char *param;
+ struct find_state state;
+
+ /* make sure we got all the parameters */
+ if (trans->in.params.length < 12) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ search.t2fnext.in.handle = SVAL(trans->in.params.data, 0);
+ search.t2fnext.in.max_count = SVAL(trans->in.params.data, 2);
+ level = SVAL(trans->in.params.data, 4);
+ search.t2fnext.in.resume_key = IVAL(trans->in.params.data, 6);
+ search.t2fnext.in.flags = SVAL(trans->in.params.data, 10);
+
+ trans2_pull_blob_string(req, &trans->in.params, 12, &search.t2fnext.in.last_name, 0);
+ if (search.t2fnext.in.last_name == NULL) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ search.t2fnext.level = (enum search_level)level;
+ if (search.t2fnext.level >= RAW_SEARCH_GENERIC) {
+ return NT_STATUS_INVALID_LEVEL;
+ }
+
+ /* setup the private state structure that the backend will give us in the callback */
+ state.req = req;
+ state.trans = trans;
+ state.level = search.t2fnext.level;
+ state.last_entry_offset = 0;
+
+ /* setup for just a header in the reply */
+ trans2_setup_reply(req, trans, 8, 0, 0);
+
+ /* call the backend */
+ status = req->conn->ntvfs_ops->search_next(req, &search, &state, find_callback);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
+ }
+
+ /* fill in the findfirst reply header */
+ param = trans->out.params.data;
+ SSVAL(param, VWV(0), search.t2fnext.out.count);
+ SSVAL(param, VWV(1), search.t2fnext.out.end_of_search);
+ SSVAL(param, VWV(2), 0);
+ SSVAL(param, VWV(3), state.last_entry_offset);
+
+ return NT_STATUS_OK;
+}
+
+
+/*
+ backend for trans2 requests
+*/
+static NTSTATUS trans2_backend(struct request_context *req, struct smb_trans2 *trans)
+{
+ if (req->conn->ntvfs_ops->trans2 != NULL) {
+ /* direct trans2 pass thru */
+ return req->conn->ntvfs_ops->trans2(req, trans);
+ }
+
+ /* must have at least one setup word */
+ if (trans->in.setup_count < 1) {
+ return NT_STATUS_FOOBAR;
+ }
+
+ /* the trans2 command is in setup[0] */
+ switch (trans->in.setup[0]) {
+ case TRANSACT2_FINDFIRST:
+ return trans2_findfirst(req, trans);
+ case TRANSACT2_FINDNEXT:
+ return trans2_findnext(req, trans);
+ case TRANSACT2_QPATHINFO:
+ return trans2_qpathinfo(req, trans);
+ case TRANSACT2_QFILEINFO:
+ return trans2_qfileinfo(req, trans);
+ case TRANSACT2_SETFILEINFO:
+ return trans2_setfileinfo(req, trans);
+ case TRANSACT2_SETPATHINFO:
+ return trans2_setpathinfo(req, trans);
+ case TRANSACT2_QFSINFO:
+ return trans2_qfsinfo(req, trans);
+ }
+
+ /* an unknown trans2 command */
+ return NT_STATUS_FOOBAR;
+}
+
+
+/****************************************************************************
+ Reply to an SMBtrans2 request
+****************************************************************************/
+void reply_trans2(struct request_context *req)
+{
+ struct smb_trans2 trans;
+ int i;
+ uint16 param_ofs, data_ofs;
+ uint16 param_count, data_count;
+ uint16 params_left, data_left;
+ uint16 param_total, data_total;
+ char *params, *data;
+ NTSTATUS status;
+
+ /* parse request */
+ if (req->in.wct < 14) {
+ req_reply_error(req, NT_STATUS_FOOBAR);
+ return;
+ }
+
+ param_total = SVAL(req->in.vwv, VWV(0));
+ data_total = SVAL(req->in.vwv, VWV(1));
+ trans.in.max_param = SVAL(req->in.vwv, VWV(2));
+ trans.in.max_data = SVAL(req->in.vwv, VWV(3));
+ trans.in.max_setup = CVAL(req->in.vwv, VWV(4));
+ trans.in.flags = SVAL(req->in.vwv, VWV(5));
+ trans.in.timeout = IVAL(req->in.vwv, VWV(6));
+ param_count = SVAL(req->in.vwv, VWV(9));
+ param_ofs = SVAL(req->in.vwv, VWV(10));
+ data_count = SVAL(req->in.vwv, VWV(11));
+ data_ofs = SVAL(req->in.vwv, VWV(12));
+ trans.in.setup_count = CVAL(req->in.vwv, VWV(13));
+
+ if (req->in.wct != 14 + trans.in.setup_count) {
+ req_reply_dos_error(req, ERRSRV, ERRerror);
+ return;
+ }
+
+ /* parse out the setup words */
+ trans.in.setup = talloc(req->mem_ctx, trans.in.setup_count * sizeof(uint16));
+ if (!trans.in.setup) {
+ req_reply_error(req, NT_STATUS_NO_MEMORY);
+ return;
+ }
+ for (i=0;i<trans.in.setup_count;i++) {
+ trans.in.setup[i] = SVAL(req->in.vwv, VWV(14+i));
+ }
+
+ if (!req_pull_blob(req, req->in.hdr + param_ofs, param_count, &trans.in.params) ||
+ !req_pull_blob(req, req->in.hdr + data_ofs, data_count, &trans.in.data)) {
+ req_reply_error(req, NT_STATUS_FOOBAR);
+ return;
+ }
+
+ /* is it a partial request? if so, then send a 'send more' message */
+ if (param_total > param_count ||
+ data_total > data_count) {
+ DEBUG(0,("REWRITE: not handling partial trans2 requests!\n"));
+ return;
+ }
+
+ /* its a full request, give it to the backend */
+ status = trans2_backend(req, &trans);
+
+ if (!NT_STATUS_IS_OK(status)) {
+ req_reply_error(req, status);
+ return;
+ }
+
+ params_left = trans.out.params.length;
+ data_left = trans.out.data.length;
+ params = trans.out.params.data;
+ data = trans.out.data.data;
+
+ req->control_flags |= REQ_CONTROL_PROTECTED;
+
+ /* we need to divide up the reply into chunks that fit into
+ the negotiated buffer size */
+ do {
+ uint16 this_data, this_param, max_bytes;
+ uint_t align1 = 1, align2 = (params_left ? 2 : 0);
+
+ req_setup_reply(req, 10 + trans.out.setup_count, 0);
+
+ max_bytes = req_max_data(req) - (align1 + align2);
+
+ this_param = params_left;
+ if (this_param > max_bytes) {
+ this_param = max_bytes;
+ }
+ max_bytes -= this_param;
+
+ this_data = data_left;
+ if (this_data > max_bytes) {
+ this_data = max_bytes;
+ }
+
+ req_grow_data(req, this_param + this_data + (align1 + align2));
+
+ SSVAL(req->out.vwv, VWV(0), trans.out.params.length);
+ SSVAL(req->out.vwv, VWV(1), trans.out.data.length);
+ SSVAL(req->out.vwv, VWV(2), 0);
+
+ SSVAL(req->out.vwv, VWV(3), this_param);
+ SSVAL(req->out.vwv, VWV(4), align1 + PTR_DIFF(req->out.data, req->out.hdr));
+ SSVAL(req->out.vwv, VWV(5), PTR_DIFF(params, trans.out.params.data));
+
+ SSVAL(req->out.vwv, VWV(6), this_data);
+ SSVAL(req->out.vwv, VWV(7), align1 + align2 +
+ PTR_DIFF(req->out.data + this_param, req->out.hdr));
+ SSVAL(req->out.vwv, VWV(8), PTR_DIFF(data, trans.out.data.data));
+
+ SSVAL(req->out.vwv, VWV(9), trans.out.setup_count);
+ for (i=0;i<trans.out.setup_count;i++) {
+ SSVAL(req->out.vwv, VWV(10+i), trans.out.setup[i]);
+ }
+
+ memset(req->out.data, 0, align1);
+ if (this_param != 0) {
+ memcpy(req->out.data + align1, params, this_param);
+ }
+ memset(req->out.data+this_param+align1, 0, align2);
+ if (this_data != 0) {
+ memcpy(req->out.data+this_param+align1+align2, data, this_data);
+ }
+
+ params_left -= this_param;
+ data_left -= this_data;
+ params += this_param;
+ data += this_data;
+
+ /* if this is the last chunk then the request can be destroyed */
+ if (params_left == 0 && data_left == 0) {
+ req->control_flags &= ~REQ_CONTROL_PROTECTED;
+ }
+
+ req_send_reply(req);
+ } while (params_left != 0 || data_left != 0);
+}