]> wimlib.net Git - wimlib/blobdiff - src/wimboot.c
Directly link with ntdll on Windows
[wimlib] / src / wimboot.c
index 6006bbe7f50c13b145dd732f5718ac2ad1c59593..1650de99bb2fc99b986c603e31693ca125cc6acc 100644 (file)
 #endif
 
 #include "wimlib/win32_common.h"
-#include "wimlib/win32.h"
+
 #include "wimlib/assert.h"
+#include "wimlib/blob_table.h"
+#include "wimlib/inode.h"
 #include "wimlib/error.h"
-#include "wimlib/lookup_table.h"
 #include "wimlib/util.h"
 #include "wimlib/wimboot.h"
+#include "wimlib/win32.h"
 #include "wimlib/wof.h"
 
 static HANDLE
@@ -93,8 +95,8 @@ query_partition_and_disk_info(const wchar_t *path,
 
        h = open_file(vol_name, GENERIC_READ);
        if (h == INVALID_HANDLE_VALUE) {
-               ERROR("\"%ls\": Can't open volume device (err=%"PRIu32")",
-                     vol_name, (u32)GetLastError());
+               win32_error(GetLastError(), L"\"%ls\": Can't open volume device",
+                           vol_name);
                ret = WIMLIB_ERR_OPEN;
                goto out;
        }
@@ -102,8 +104,8 @@ query_partition_and_disk_info(const wchar_t *path,
        if (!query_device(h, IOCTL_DISK_GET_PARTITION_INFO_EX,
                          part_info, sizeof(PARTITION_INFORMATION_EX)))
        {
-               ERROR("\"%ls\": Can't get partition info (err=%"PRIu32")",
-                     vol_name, (u32)GetLastError());
+               win32_error(GetLastError(),
+                           L"\"%ls\": Can't get partition info", vol_name);
                ret = WIMLIB_ERR_READ;
                goto out;
        }
@@ -121,8 +123,9 @@ query_partition_and_disk_info(const wchar_t *path,
                                 extents, extents_size))
                        break;
                if (GetLastError() != ERROR_MORE_DATA) {
-                       ERROR("\"%ls\": Can't get volume extent info (err=%"PRIu32")",
-                             vol_name, (u32)GetLastError());
+                       win32_error(GetLastError(),
+                                   L"\"%ls\": Can't get volume extent info",
+                                   vol_name);
                        ret = WIMLIB_ERR_READ;
                        goto out;
                }
@@ -145,8 +148,8 @@ query_partition_and_disk_info(const wchar_t *path,
 
        h = open_file(disk_name, GENERIC_READ);
        if (h == INVALID_HANDLE_VALUE) {
-               ERROR("\"%ls\": Can't open disk device (err=%"PRIu32")",
-                     disk_name, (u32)GetLastError());
+               win32_error(GetLastError(),
+                           L"\"%ls\": Can't open disk device", disk_name);
                ret = WIMLIB_ERR_OPEN;
                goto out;
        }
@@ -164,8 +167,8 @@ query_partition_and_disk_info(const wchar_t *path,
                                 drive_info, drive_info_size))
                        break;
                if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) {
-                       ERROR("\"%ls\": Can't get disk info (err=%"PRIu32")",
-                             disk_name, (u32)GetLastError());
+                       win32_error(GetLastError(),
+                                   L"\"%ls\": Can't get disk info", disk_name);
                        ret = WIMLIB_ERR_READ;
                        goto out;
                }
@@ -184,8 +187,8 @@ query_partition_and_disk_info(const wchar_t *path,
        }
 
        if (part_info->PartitionStyle == PARTITION_STYLE_GPT) {
-               BUILD_BUG_ON(sizeof(part_info->Gpt.PartitionId) !=
-                            sizeof(drive_info->Gpt.DiskId));
+               STATIC_ASSERT(sizeof(part_info->Gpt.PartitionId) ==
+                             sizeof(drive_info->Gpt.DiskId));
                if (!memcmp(&part_info->Gpt.PartitionId,
                            &drive_info->Gpt.DiskId,
                            sizeof(drive_info->Gpt.DiskId)))
@@ -290,23 +293,24 @@ write_wimoverlay_dat(const wchar_t *path, const void *contents, u32 size)
        h = CreateFile(path, GENERIC_WRITE, 0, NULL,
                       CREATE_ALWAYS, FILE_FLAG_BACKUP_SEMANTICS, NULL);
        if (h == INVALID_HANDLE_VALUE) {
-               set_errno_from_GetLastError();
-               ERROR_WITH_ERRNO("\"%ls\": Can't open file for writing", path);
+               win32_error(GetLastError(),
+                           L"\"%ls\": Can't open file for writing", path);
                return WIMLIB_ERR_OPEN;
        }
 
+       SetLastError(0);
        if (!WriteFile(h, contents, size, &bytes_written, NULL) ||
            bytes_written != size)
        {
-               set_errno_from_GetLastError();
-               ERROR_WITH_ERRNO("\"%ls\": Can't write file", path);
+               win32_error(GetLastError(),
+                           L"\"%ls\": Can't write file", path);
                CloseHandle(h);
                return WIMLIB_ERR_WRITE;
        }
 
        if (!CloseHandle(h)) {
-               set_errno_from_GetLastError();
-               ERROR_WITH_ERRNO("\"%ls\": Can't close handle", path);
+               win32_error(GetLastError(),
+                           L"\"%ls\": Can't close handle", path);
                return WIMLIB_ERR_WRITE;
        }
 
@@ -343,7 +347,7 @@ static u8 *
 fill_in_wimoverlay_dat(u8 *buf,
                       const struct WimOverlay_dat_header *old_hdr,
                       const wchar_t *wim_path,
-                      const u8 wim_guid[WIM_GUID_LEN],
+                      const u8 wim_guid[GUID_SIZE],
                       int image,
                       u64 new_data_source_id,
                       const PARTITION_INFORMATION_EX *part_info,
@@ -391,8 +395,8 @@ fill_in_wimoverlay_dat(u8 *buf,
        new_entry_1->entry_2_length = new_entry_2_size;
        new_entry_1->wim_type = WIM_BOOT_NOT_OS_WIM;
        new_entry_1->wim_index = image;
-       BUILD_BUG_ON(sizeof(new_entry_1->guid) != WIM_GUID_LEN);
-       memcpy(new_entry_1->guid, wim_guid, WIM_GUID_LEN);
+       STATIC_ASSERT(sizeof(new_entry_1->guid) == GUID_SIZE);
+       copy_guid(new_entry_1->guid, wim_guid);
 
        p += sizeof(struct WimOverlay_dat_entry_1);
 
@@ -434,21 +438,21 @@ fill_in_wimoverlay_dat(u8 *buf,
                new_entry_2->disk.mbr.padding[1] = 0x00000000;
                new_entry_2->disk.mbr.padding[2] = 0x00000000;
        } else {
-               BUILD_BUG_ON(sizeof(new_entry_2->partition.gpt.part_unique_guid) !=
-                            sizeof(part_info->Gpt.PartitionId));
+               STATIC_ASSERT(sizeof(new_entry_2->partition.gpt.part_unique_guid) ==
+                             sizeof(part_info->Gpt.PartitionId));
                memcpy(new_entry_2->partition.gpt.part_unique_guid,
                       &part_info->Gpt.PartitionId,
                       sizeof(part_info->Gpt.PartitionId));
                new_entry_2->partition_table_type = WIMOVERLAY_PARTITION_TYPE_GPT;
 
-               BUILD_BUG_ON(sizeof(new_entry_2->disk.gpt.disk_guid) !=
-                            sizeof(disk_info->Gpt.DiskId));
+               STATIC_ASSERT(sizeof(new_entry_2->disk.gpt.disk_guid) ==
+                             sizeof(disk_info->Gpt.DiskId));
                memcpy(new_entry_2->disk.gpt.disk_guid,
                       &disk_info->Gpt.DiskId,
                       sizeof(disk_info->Gpt.DiskId));
 
-               BUILD_BUG_ON(sizeof(new_entry_2->disk.gpt.disk_guid) !=
-                            sizeof(new_entry_2->partition.gpt.part_unique_guid));
+               STATIC_ASSERT(sizeof(new_entry_2->disk.gpt.disk_guid) ==
+                             sizeof(new_entry_2->partition.gpt.part_unique_guid));
        }
        new_entry_2->unknown_0x58[0] = 0x00000000;
        new_entry_2->unknown_0x58[1] = 0x00000000;
@@ -488,7 +492,7 @@ fill_in_wimoverlay_dat(u8 *buf,
 static int
 prepare_wimoverlay_dat(const struct WimOverlay_dat_header *old_hdr,
                       const wchar_t *wim_path,
-                      const u8 wim_guid[WIM_GUID_LEN],
+                      const u8 wim_guid[GUID_SIZE],
                       int image,
                       void **new_contents_ret,
                       u32 *new_contents_size_ret,
@@ -582,7 +586,7 @@ retry:
 
                        status = (*func_RtlCreateSystemVolumeInformationFolder)(&str);
 
-                       err2 = (*func_RtlNtStatusToDosError)(status);
+                       err2 = RtlNtStatusToDosError(status);
                        if (err2 == ERROR_SUCCESS) {
                                if (!already_retried) {
                                        already_retried = true;
@@ -592,13 +596,11 @@ retry:
                                err = err2;
                        }
                }
-               set_errno_from_win32_error(err);
-               ERROR_WITH_ERRNO("\"%ls\": Can't open for reading", path);
+               win32_error(err, L"\"%ls\": Can't open for reading", path);
                return WIMLIB_ERR_OPEN;
        }
        if (!GetFileInformationByHandle(h, &info)) {
-               set_errno_from_GetLastError();
-               ERROR_WITH_ERRNO("\"%ls\": Can't query metadata", path);
+               win32_error(GetLastError(), L"\"%ls\": Can't query metadata", path);
                CloseHandle(h);
                return WIMLIB_ERR_STAT;
        }
@@ -612,11 +614,11 @@ retry:
                return WIMLIB_ERR_NOMEM;
        }
 
+       SetLastError(0);
        if (!ReadFile(h, contents, info.nFileSizeLow, &bytes_read, NULL) ||
            bytes_read != info.nFileSizeLow)
        {
-               set_errno_from_GetLastError();
-               ERROR_WITH_ERRNO("\"%ls\": Can't read data", path);
+               win32_error(GetLastError(), L"\"%ls\": Can't read data", path);
                CloseHandle(h);
                ret = WIMLIB_ERR_READ;
                goto out_free_contents;
@@ -789,17 +791,17 @@ out_free_contents:
  */
 static int
 update_wimoverlay_manually(const wchar_t *drive, const wchar_t *wim_path,
-                          const u8 wim_guid[WIM_GUID_LEN],
+                          const u8 wim_guid[GUID_SIZE],
                           int image, u64 *data_source_id_ret)
 {
        wchar_t path_main[] = L"A:\\System Volume Information\\WimOverlay.dat";
        wchar_t path_backup[] = L"A:\\System Volume Information\\WimOverlay.backup";
        wchar_t path_wimlib_backup[] = L"A:\\System Volume Information\\WimOverlay.wimlib_backup";
        wchar_t path_new[] = L"A:\\System Volume Information\\WimOverlay.wimlib_new";
-       void *old_contents;
-       void *new_contents;
-       u32 new_contents_size;
-       u64 new_data_source_id;
+       void *old_contents = NULL;
+       void *new_contents = NULL;
+       u32 new_contents_size = 0;
+       u64 new_data_source_id = -1;
        int ret;
 
        wimlib_assert(drive[0] != L'\0' &&
@@ -864,47 +866,6 @@ out:
        return ret;
 }
 
-/* Try to attach an instance of the Windows Overlay File System Filter Driver to
- * the specified drive (such as C:)  */
-static bool
-try_to_attach_wof(const wchar_t *drive)
-{
-       HMODULE fltlib;
-       bool retval = false;
-
-       /* Use FilterAttach() from Fltlib.dll.  */
-
-       fltlib = LoadLibrary(L"Fltlib.dll");
-
-       if (!fltlib) {
-               WARNING("Failed to load Fltlib.dll");
-               return retval;
-       }
-
-       HRESULT (WINAPI *func_FilterAttach)(LPCWSTR lpFilterName,
-                                           LPCWSTR lpVolumeName,
-                                           LPCWSTR lpInstanceName,
-                                           DWORD dwCreatedInstanceNameLength,
-                                           LPWSTR lpCreatedInstanceName);
-
-       func_FilterAttach = (void *)GetProcAddress(fltlib, "FilterAttach");
-
-       if (func_FilterAttach) {
-               HRESULT res;
-
-               res = (*func_FilterAttach)(L"WoF", drive, NULL, 0, NULL);
-
-               if (res == S_OK)
-                       retval = true;
-       } else {
-               WARNING("FilterAttach() does not exist in Fltlib.dll");
-       }
-
-       FreeLibrary(fltlib);
-
-       return retval;
-}
-
 /*
  * Allocate a WOF data source ID for a WIM file.
  *
@@ -925,7 +886,7 @@ try_to_attach_wof(const wchar_t *drive)
  */
 int
 wimboot_alloc_data_source_id(const wchar_t *wim_path,
-                            const u8 wim_guid[WIM_GUID_LEN],
+                            const u8 wim_guid[GUID_SIZE],
                             int image, const wchar_t *target,
                             u64 *data_source_id_ret, bool *wof_running_ret)
 {
@@ -982,8 +943,8 @@ retry_ioctl:
        h = open_file(drive_path, GENERIC_WRITE);
 
        if (h == INVALID_HANDLE_VALUE) {
-               set_errno_from_GetLastError();
-               ERROR_WITH_ERRNO("Failed to open \"%ls\"", drive_path + 4);
+               win32_error(GetLastError(),
+                           L"Failed to open \"%ls\"", drive_path + 4);
                ret = WIMLIB_ERR_OPEN;
                goto out_free_in;
        }
@@ -999,23 +960,20 @@ retry_ioctl:
                                CloseHandle(h);
                                h = INVALID_HANDLE_VALUE;
                                tried_to_attach_wof = true;
-                               if (try_to_attach_wof(drive_path + 4))
+                               if (win32_try_to_attach_wof(drive_path + 4))
                                        goto retry_ioctl;
                        }
                        ret = WIMLIB_ERR_UNSUPPORTED;
                        goto out_close_handle;
                } else {
-                       set_errno_from_win32_error(err);
-                       ERROR_WITH_ERRNO("Failed to add overlay source \"%ls\" "
-                                        "to volume \"%ls\" (err=0x%08"PRIx32")",
-                                        wim_path, drive_path + 4, (u32)err);
+                       win32_error(err, L"Failed to add overlay source \"%ls\" "
+                                   "to volume \"%ls\"", wim_path, drive_path + 4);
                        ret = WIMLIB_ERR_WIMBOOT;
                        goto out_close_handle;
                }
        }
 
        if (bytes_returned != sizeof(data_source_id)) {
-               set_errno_from_win32_error(ERROR_INVALID_DATA);
                ret = WIMLIB_ERR_WIMBOOT;
                ERROR("Unexpected result size when adding "
                      "overlay source \"%ls\" to volume \"%ls\"",
@@ -1059,12 +1017,12 @@ out:
  *
  * @h
  *     Open handle to the file, with GENERIC_WRITE access.
- * @lte
- *     Unnamed data stream of the file.
+ * @blob
+ *     The blob for the unnamed data stream of the file.
  * @data_source_id
  *     Allocated identifier for the WIM data source on the destination volume.
- * @lookup_table_hash
- *     SHA-1 message digest of the WIM's lookup table.
+ * @blob_table_hash
+ *     SHA-1 message digest of the WIM's blob table.
  * @wof_running
  *     %true if the WOF driver appears to be available and working; %false if
  *     not.
@@ -1073,37 +1031,54 @@ out:
  */
 bool
 wimboot_set_pointer(HANDLE h,
-                   const struct wim_lookup_table_entry *lte,
+                   const struct blob_descriptor *blob,
                    u64 data_source_id,
-                   const u8 lookup_table_hash[SHA1_HASH_SIZE],
+                   const u8 blob_table_hash[SHA1_HASH_SIZE],
                    bool wof_running)
 {
        DWORD bytes_returned;
-       DWORD err;
 
        if (wof_running) {
                /* The WOF driver is running.  We can create the reparse point
                 * using FSCTL_SET_EXTERNAL_BACKING.  */
-
+               unsigned int max_retries = 4;
                struct {
                        struct wof_external_info wof_info;
                        struct wim_provider_external_info wim_info;
                } in;
 
+       retry:
+               memset(&in, 0, sizeof(in));
+
                in.wof_info.version = WOF_CURRENT_VERSION;
                in.wof_info.provider = WOF_PROVIDER_WIM;
 
                in.wim_info.version = WIM_PROVIDER_CURRENT_VERSION;
                in.wim_info.flags = 0;
                in.wim_info.data_source_id = data_source_id;
-               copy_hash(in.wim_info.resource_hash, lte->hash);
+               copy_hash(in.wim_info.unnamed_data_stream_hash, blob->hash);
 
-               /* lookup_table_hash is not necessary  */
+               /* blob_table_hash is not necessary  */
 
                if (!DeviceIoControl(h, FSCTL_SET_EXTERNAL_BACKING,
                                     &in, sizeof(in), NULL, 0,
                                     &bytes_returned, NULL))
+               {
+                       /* Try to track down sporadic errors  */
+                       if (wimlib_print_errors) {
+                               WARNING("FSCTL_SET_EXTERNAL_BACKING failed (err=%u); data was %zu bytes:",
+                                       (u32)GetLastError(), sizeof(in));
+                               print_byte_field((const u8 *)&in, sizeof(in), wimlib_error_file);
+                               putc('\n', wimlib_error_file);
+                       }
+                       if (--max_retries) {
+                               WARNING("Retrying after 100ms...");
+                               Sleep(100);
+                               goto retry;
+                       }
+                       WARNING("Too many retries; returning failure");
                        return false;
+               }
        } else {
 
                /* The WOF driver is running.  We need to create the reparse
@@ -1119,11 +1094,11 @@ wimboot_set_pointer(HANDLE h,
                        struct wim_provider_rpdata wim_info;
                } in;
 
-               BUILD_BUG_ON(sizeof(in) != 8 +
-                            sizeof(struct wof_external_info) +
-                            sizeof(struct wim_provider_rpdata));
+               STATIC_ASSERT(sizeof(in) == 8 +
+                             sizeof(struct wof_external_info) +
+                             sizeof(struct wim_provider_rpdata));
 
-               in.hdr.rptag = WIMLIB_REPARSE_TAG_WOF;
+               in.hdr.rptag = WIM_IO_REPARSE_TAG_WOF;
                in.hdr.rpdatalen = sizeof(in) - sizeof(in.hdr);
                in.hdr.rpreserved = 0;
 
@@ -1133,11 +1108,11 @@ wimboot_set_pointer(HANDLE h,
                in.wim_info.version = 2;
                in.wim_info.flags = 0;
                in.wim_info.data_source_id = data_source_id;
-               copy_hash(in.wim_info.resource_hash, lte->hash);
-               copy_hash(in.wim_info.wim_lookup_table_hash, lookup_table_hash);
-               in.wim_info.stream_uncompressed_size = lte->size;
-               in.wim_info.stream_compressed_size = lte->rspec->size_in_wim;
-               in.wim_info.stream_offset_in_wim = lte->rspec->offset_in_wim;
+               copy_hash(in.wim_info.unnamed_data_stream_hash, blob->hash);
+               copy_hash(in.wim_info.blob_table_hash, blob_table_hash);
+               in.wim_info.unnamed_data_stream_size = blob->size;
+               in.wim_info.unnamed_data_stream_size_in_wim = blob->rdesc->size_in_wim;
+               in.wim_info.unnamed_data_stream_offset_in_wim = blob->rdesc->offset_in_wim;
 
                if (!DeviceIoControl(h, FSCTL_SET_REPARSE_POINT,
                                     &in, sizeof(in), NULL, 0, &bytes_returned, NULL))
@@ -1152,7 +1127,7 @@ wimboot_set_pointer(HANDLE h,
                        return false;
 
                if (!SetFilePointerEx(h,
-                                     (LARGE_INTEGER){ .QuadPart = lte->size},
+                                     (LARGE_INTEGER){ .QuadPart = blob->size},
                                      NULL, FILE_BEGIN))
                        return false;