diff options
Diffstat (limited to 'source4/smbd/trans2.c')
| -rw-r--r-- | source4/smbd/trans2.c | 1343 |
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); +} |