void smb2srv_create_recv(struct smb2srv_request *req) { union smb_open *io; DATA_BLOB blob; int i; SMB2SRV_CHECK_BODY_SIZE(req, 0x38, true); SMB2SRV_TALLOC_IO_PTR(io, union smb_open); SMB2SRV_SETUP_NTVFS_REQUEST(smb2srv_create_send, NTVFS_ASYNC_STATE_MAY_ASYNC); ZERO_STRUCT(io->smb2.in); io->smb2.level = RAW_OPEN_SMB2; io->smb2.in.security_flags = CVAL(req->in.body, 0x02); io->smb2.in.oplock_level = CVAL(req->in.body, 0x03); io->smb2.in.impersonation_level = IVAL(req->in.body, 0x04); io->smb2.in.create_flags = BVAL(req->in.body, 0x08); io->smb2.in.reserved = BVAL(req->in.body, 0x10); io->smb2.in.desired_access = IVAL(req->in.body, 0x18); io->smb2.in.file_attributes = IVAL(req->in.body, 0x1C); io->smb2.in.share_access = IVAL(req->in.body, 0x20); io->smb2.in.create_disposition = IVAL(req->in.body, 0x24); io->smb2.in.create_options = IVAL(req->in.body, 0x28); SMB2SRV_CHECK(smb2_pull_o16s16_string(&req->in, io, req->in.body+0x2C, &io->smb2.in.fname)); SMB2SRV_CHECK(smb2_pull_o32s32_blob(&req->in, io, req->in.body+0x30, &blob)); SMB2SRV_CHECK(smb2_create_blob_parse(io, blob, &io->smb2.in.blobs)); /* interpret the parsed tags that a server needs to respond to */ for (i=0;i<io->smb2.in.blobs.num_blobs;i++) { if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_EXTA) == 0) { SMB2SRV_CHECK(ea_pull_list_chained(&io->smb2.in.blobs.blobs[i].data, io, &io->smb2.in.eas.num_eas, &io->smb2.in.eas.eas)); } if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_SECD) == 0) { enum ndr_err_code ndr_err; io->smb2.in.sec_desc = talloc(io, struct security_descriptor); if (io->smb2.in.sec_desc == NULL) { smb2srv_send_error(req, NT_STATUS_NO_MEMORY); return; } ndr_err = ndr_pull_struct_blob(&io->smb2.in.blobs.blobs[i].data, io, NULL, io->smb2.in.sec_desc, (ndr_pull_flags_fn_t)ndr_pull_security_descriptor); if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { smb2srv_send_error(req, ndr_map_error2ntstatus(ndr_err)); return; } } if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_DHNQ) == 0) { io->smb2.in.durable_open = true; } if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_DHNC) == 0) { if (io->smb2.in.blobs.blobs[i].data.length != 16) { smb2srv_send_error(req, NT_STATUS_INVALID_PARAMETER); return; } io->smb2.in.durable_handle = talloc(io, struct smb2_handle); if (io->smb2.in.durable_handle == NULL) { smb2srv_send_error(req, NT_STATUS_NO_MEMORY); return; } smb2_pull_handle(io->smb2.in.blobs.blobs[i].data.data, io->smb2.in.durable_handle); } if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_ALSI) == 0) { if (io->smb2.in.blobs.blobs[i].data.length != 8) { smb2srv_send_error(req, NT_STATUS_INVALID_PARAMETER); return; } io->smb2.in.alloc_size = BVAL(io->smb2.in.blobs.blobs[i].data.data, 0); } if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_MXAC) == 0) { io->smb2.in.query_maximal_access = true; } if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_TWRP) == 0) { if (io->smb2.in.blobs.blobs[i].data.length != 8) { smb2srv_send_error(req, NT_STATUS_INVALID_PARAMETER); return; } io->smb2.in.timewarp = BVAL(io->smb2.in.blobs.blobs[i].data.data, 0); } if (strcmp(io->smb2.in.blobs.blobs[i].tag, SMB2_CREATE_TAG_QFID) == 0) { io->smb2.in.query_on_disk_id = true; } } /* the VFS backend does not yet handle NULL filenames */ if (io->smb2.in.fname == NULL) { io->smb2.in.fname = ""; } SMB2SRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, io)); }
NTSTATUS smbsrv_pull_passthru_sfileinfo(TALLOC_CTX *mem_ctx, enum smb_setfileinfo_level level, union smb_setfileinfo *st, const DATA_BLOB *blob, int default_str_flags, struct request_bufinfo *bufinfo) { uint32_t len, ofs; DATA_BLOB str_blob; switch (level) { case SMB_SFILEINFO_BASIC_INFORMATION: BLOB_CHECK_MIN_SIZE(blob, 40); 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); st->basic_info.in.reserved = IVAL(blob->data, 36); return NT_STATUS_OK; case SMB_SFILEINFO_DISPOSITION_INFORMATION: BLOB_CHECK_MIN_SIZE(blob, 1); st->disposition_info.in.delete_on_close = CVAL(blob->data, 0); return NT_STATUS_OK; case SMB_SFILEINFO_ALLOCATION_INFORMATION: BLOB_CHECK_MIN_SIZE(blob, 8); st->allocation_info.in.alloc_size = BVAL(blob->data, 0); return NT_STATUS_OK; case RAW_SFILEINFO_END_OF_FILE_INFORMATION: BLOB_CHECK_MIN_SIZE(blob, 8); st->end_of_file_info.in.size = BVAL(blob->data, 0); return NT_STATUS_OK; case RAW_SFILEINFO_RENAME_INFORMATION: if (!bufinfo) { return NT_STATUS_INTERNAL_ERROR; } BLOB_CHECK_MIN_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); ofs = 12; str_blob = *blob; str_blob.length = MIN(str_blob.length, ofs+len); smbsrv_blob_pull_string(bufinfo, &str_blob, ofs, &st->rename_information.in.new_name, STR_UNICODE); if (st->rename_information.in.new_name == NULL) { return NT_STATUS_FOOBAR; } return NT_STATUS_OK; case RAW_SFILEINFO_LINK_INFORMATION: if (!bufinfo) { return NT_STATUS_INTERNAL_ERROR; } BLOB_CHECK_MIN_SIZE(blob, 20); st->link_information.in.overwrite = CVAL(blob->data, 0); st->link_information.in.root_fid = IVAL(blob->data, 8); len = IVAL(blob->data, 16); ofs = 20; str_blob = *blob; str_blob.length = MIN(str_blob.length, ofs+len); smbsrv_blob_pull_string(bufinfo, &str_blob, ofs, &st->link_information.in.new_name, STR_UNICODE); if (st->link_information.in.new_name == NULL) { return NT_STATUS_FOOBAR; } return NT_STATUS_OK; case RAW_SFILEINFO_RENAME_INFORMATION_SMB2: /* SMB2 uses a different format for rename information */ if (!bufinfo) { return NT_STATUS_INTERNAL_ERROR; } BLOB_CHECK_MIN_SIZE(blob, 20); st->rename_information.in.overwrite = CVAL(blob->data, 0); st->rename_information.in.root_fid = BVAL(blob->data, 8); len = IVAL(blob->data,16); ofs = 20; str_blob = *blob; str_blob.length = MIN(str_blob.length, ofs+len); smbsrv_blob_pull_string(bufinfo, &str_blob, ofs, &st->rename_information.in.new_name, STR_UNICODE); if (st->rename_information.in.new_name == NULL) { return NT_STATUS_FOOBAR; } return NT_STATUS_OK; case RAW_SFILEINFO_POSITION_INFORMATION: BLOB_CHECK_MIN_SIZE(blob, 8); st->position_information.in.position = BVAL(blob->data, 0); return NT_STATUS_OK; case RAW_SFILEINFO_FULL_EA_INFORMATION: return ea_pull_list_chained(blob, mem_ctx, &st->full_ea_information.in.eas.num_eas, &st->full_ea_information.in.eas.eas); case RAW_SFILEINFO_MODE_INFORMATION: BLOB_CHECK_MIN_SIZE(blob, 4); st->mode_information.in.mode = IVAL(blob->data, 0); return NT_STATUS_OK; default: return NT_STATUS_INVALID_LEVEL; } }