diff options
Diffstat (limited to 'source4/smbd/trans2.c')
| -rw-r--r-- | source4/smbd/trans2.c | 1411 |
1 files changed, 0 insertions, 1411 deletions
diff --git a/source4/smbd/trans2.c b/source4/smbd/trans2.c deleted file mode 100644 index 6a15aad137..0000000000 --- a/source4/smbd/trans2.c +++ /dev/null @@ -1,1411 +0,0 @@ -/* - 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->flags2 & FLAGS2_UNICODE_STRINGS) ? 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; - DATA_BLOB guid_blob; - - /* 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); - - status = ndr_push_struct_blob(&guid_blob, req->mem_ctx, - &fsinfo.objectid_information.out.guid, - (ndr_push_flags_fn_t)ndr_push_GUID); - if (!NT_STATUS_IS_OK(status)) { - return status; - } - - memcpy(trans->out.data.data, guid_blob.data, 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); - SBVAL(trans->out.data.data, 0, st->internal_information.out.file_id); - 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, STR_UNICODE); - 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, STR_UNICODE); - 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, STR_UNICODE); - 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, STR_UNICODE); - 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; - uint16 flags; -}; - -/* - fill a single entry in a trans2 find reply -*/ -static void find_fill_info(struct request_context *req, - struct smb_trans2 *trans, - struct find_state *state, - union smb_search_data *file) -{ - char *data; - uint_t ofs = trans->out.data.length; - - switch (state->level) { - case RAW_SEARCH_SEARCH: - case RAW_SEARCH_GENERIC: - /* handled elsewhere */ - break; - - case RAW_SEARCH_STANDARD: - if (state->flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) { - trans2_grow_data(req, trans, ofs + 27); - SIVAL(trans->out.data.data, ofs, file->standard.resume_key); - ofs += 4; - } else { - 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: - if (state->flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) { - trans2_grow_data(req, trans, ofs + 31); - SIVAL(trans->out.data.data, ofs, file->ea_size.resume_key); - ofs += 4; - } else { - 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_TERMINATE | 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, STR_TERMINATE_ASCII); - 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, STR_TERMINATE_ASCII); - 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, STR_TERMINATE_ASCII); - 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, STR_TERMINATE_ASCII); - data = trans->out.data.data + ofs; - SIVAL(data, 0, trans->out.data.length - ofs); - break; - - case RAW_SEARCH_ID_FULL_DIRECTORY_INFO: - trans2_grow_data(req, trans, ofs + 80); - data = trans->out.data.data + ofs; - SIVAL(data, 4, file->id_full_directory_info.file_index); - push_nttime(data, 8, &file->id_full_directory_info.create_time); - push_nttime(data, 16, &file->id_full_directory_info.access_time); - push_nttime(data, 24, &file->id_full_directory_info.write_time); - push_nttime(data, 32, &file->id_full_directory_info.change_time); - SBVAL(data, 40, file->id_full_directory_info.size); - SBVAL(data, 48, file->id_full_directory_info.alloc_size); - SIVAL(data, 56, file->id_full_directory_info.attrib); - SIVAL(data, 64, file->id_full_directory_info.ea_size); - SIVAL(data, 68, 0); /* padding */ - SBVAL(data, 72, file->id_full_directory_info.file_id); - trans2_append_data_string(req, trans, &file->id_full_directory_info.name, - ofs + 60, STR_TERMINATE_ASCII); - data = trans->out.data.data + ofs; - SIVAL(data, 0, trans->out.data.length - ofs); - break; - - case RAW_SEARCH_ID_BOTH_DIRECTORY_INFO: - trans2_grow_data(req, trans, ofs + 104); - data = trans->out.data.data + ofs; - SIVAL(data, 4, file->id_both_directory_info.file_index); - push_nttime(data, 8, &file->id_both_directory_info.create_time); - push_nttime(data, 16, &file->id_both_directory_info.access_time); - push_nttime(data, 24, &file->id_both_directory_info.write_time); - push_nttime(data, 32, &file->id_both_directory_info.change_time); - SBVAL(data, 40, file->id_both_directory_info.size); - SBVAL(data, 48, file->id_both_directory_info.alloc_size); - SIVAL(data, 56, file->id_both_directory_info.attrib); - SIVAL(data, 64, file->id_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->id_both_directory_info.short_name, - 24, STR_UNICODE | STR_LEN8BIT); - SBVAL(data, 94, file->id_both_directory_info.file_id); - SSVAL(data, 102, 0); /* reserved? */ - trans2_append_data_string(req, trans, &file->id_both_directory_info.name, - ofs + 60, STR_TERMINATE_ASCII); - 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, 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; - state.flags = search.t2ffirst.in.flags; - - /* 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; - state.flags = search.t2fnext.in.flags; - - /* 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; -} - - -/* - backend for trans requests -*/ -static NTSTATUS trans_backend(struct request_context *req, struct smb_trans2 *trans) -{ - if (!req->conn->ntvfs_ops->trans) { - return NT_STATUS_NOT_IMPLEMENTED; - } - return req->conn->ntvfs_ops->trans(req, trans); -} - - -/**************************************************************************** - Reply to an SMBtrans or SMBtrans2 request -****************************************************************************/ -void reply_trans_generic(struct request_context *req, uint8 command) -{ - 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 (command == SMBtrans) { - req_pull_string(req, &trans.in.trans_name, req->in.data, -1, STR_TERMINATE); - } - - 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 trans requests!\n")); - return; - } - - /* its a full request, give it to the backend */ - if (command == SMBtrans) { - status = trans_backend(req, &trans); - } else { - 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); -} - - -/**************************************************************************** - Reply to an SMBtrans2 -****************************************************************************/ -void reply_trans2(struct request_context *req) -{ - reply_trans_generic(req, SMBtrans2); -} - -/**************************************************************************** - Reply to an SMBtrans -****************************************************************************/ -void reply_trans(struct request_context *req) -{ - reply_trans_generic(req, SMBtrans); -} - -/**************************************************************************** - Reply to an SMBtranss2 request -****************************************************************************/ -void reply_transs2(struct request_context *req) -{ - req_reply_error(req, NT_STATUS_FOOBAR); -} - - |