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| #include <ntapi/ntapi.h> |
| #include <ntapi/nt_file.h> |
| #include <ntapi/nt_fsctl.h> |
| #include <ntapi/nt_mount.h> |
| #include <ntapi/nt_stat.h> |
| #include "ntapi_impl.h" |
| |
| int32_t __stdcall __ntapi_tt_stat( |
| __in void * hfile, |
| __in void * hroot __optional, |
| __in nt_unicode_string * path, |
| __out nt_stat * stat, |
| __out uintptr_t * buffer, |
| __in uint32_t buffer_size, |
| __in uint32_t open_options, |
| __in uint32_t flags) |
| { |
| int32_t status; |
| nt_oa oa; |
| nt_iosb iosb; |
| nt_unicode_string * sdev; |
| nt_fai * fai; |
| |
| |
| if (!hfile && !path) |
| return NT_STATUS_INVALID_HANDLE; |
| |
| |
| if (!hfile) { |
| |
| oa.len = sizeof(nt_oa); |
| oa.root_dir = hroot; |
| oa.obj_name = path; |
| oa.obj_attr = 0; |
| oa.sec_desc = 0; |
| oa.sec_qos = 0; |
| |
| |
| status = __ntapi->zw_open_file( |
| &hfile, |
| NT_SEC_SYNCHRONIZE | NT_FILE_READ_ATTRIBUTES | NT_FILE_READ_ACCESS, |
| &oa, |
| &iosb, |
| NT_FILE_SHARE_READ | NT_FILE_SHARE_WRITE, |
| open_options | NT_FILE_SYNCHRONOUS_IO_ALERT); |
| |
| if (status != NT_STATUS_SUCCESS) |
| return status; |
| |
| stat->flags_out = NT_STAT_NEW_HANDLE; |
| } |
| |
| stat->hfile = hfile; |
| stat->flags_in = flags; |
| |
| |
| status = __ntapi->zw_query_information_file( |
| hfile, |
| &iosb, |
| buffer, |
| buffer_size, |
| NT_FILE_ALL_INFORMATION); |
| |
| if (status != NT_STATUS_SUCCESS) |
| return status; |
| |
| |
| fai = (nt_fai *)buffer; |
| __ntapi->tt_aligned_block_memcpy( |
| (uintptr_t *)stat, |
| (uintptr_t *)fai, |
| ((size_t)(&((nt_fai *)0)->name_info))); |
| |
| |
| stat->file_name_length = fai->name_info.file_name_length; |
| stat->file_name_hash = 0; |
| |
| |
| |
| status = __ntapi->zw_query_volume_information_file( |
| hfile, |
| &iosb, |
| &(stat->fssi), |
| sizeof(stat->fssi), |
| NT_FILE_FS_SIZE_INFORMATION); |
| |
| if (status != NT_STATUS_SUCCESS) |
| return status; |
| |
| |
| iosb.info = 0; |
| status = __ntapi->zw_query_object( |
| hfile, |
| NT_OBJECT_NAME_INFORMATION, |
| buffer, |
| buffer_size, |
| (uint32_t *)&iosb.info); |
| |
| if (status != NT_STATUS_SUCCESS) |
| return status; |
| |
| sdev = (nt_unicode_string *)buffer; |
| stat->dev_name_strlen = sdev->strlen - (uint16_t)stat->file_name_length; |
| |
| stat->dev_name_hash = __ntapi->tt_buffer_crc32( |
| 0, |
| sdev->buffer, |
| stat->dev_name_strlen); |
| |
| if (flags & NT_STAT_DEV_NAME_COPY) { |
| if (stat->dev_name_maxlen < sdev->strlen) |
| |
| *stat->dev_name = 0; |
| else |
| __ntapi->tt_memcpy_utf16( |
| (wchar16_t *)stat->dev_name, |
| (wchar16_t *)sdev->buffer, |
| stat->dev_name_strlen); |
| } else |
| *stat->dev_name = 0; |
| |
| return status; |
| } |