#include "config.h"
-#if defined(__CYGWIN__) || defined(__WIN32__)
-# include <windows.h>
-# ifdef ERROR
-# undef ERROR
-# endif
-# include <wchar.h>
+#include <dirent.h>
+
+#ifdef __WIN32__
+# include "win32.h"
#else
-# include <dirent.h>
-# ifdef HAVE_UTIME_H
-# include <utime.h>
-# endif
-# include "timestamp.h"
-# include <sys/time.h>
+# ifdef HAVE_UTIME_H
+# include <utime.h>
+# endif
+# include "timestamp.h"
+# include <sys/time.h>
#endif
#include <errno.h>
#include "xml.h"
#ifdef WITH_NTFS_3G
-#include <ntfs-3g/volume.h>
+# include <ntfs-3g/volume.h>
#endif
#ifdef HAVE_ALLOCA_H
-#include <alloca.h>
-#endif
-
-#if defined(__WIN32__)
-# define swprintf _snwprintf
-# define mkdir(path, mode) (!CreateDirectoryA(path, NULL))
+# include <alloca.h>
#endif
-#if defined(__CYGWIN__) || defined(__WIN32__)
-
-static int win32_set_reparse_data(HANDLE h,
- u32 reparse_tag,
- const struct wim_lookup_table_entry *lte,
- const wchar_t *path)
-{
- int ret;
- u8 *buf;
- size_t len;
-
- if (!lte) {
- WARNING("\"%ls\" is marked as a reparse point but had no reparse data",
- path);
- return 0;
- }
- len = wim_resource_size(lte);
- if (len > 16 * 1024 - 8) {
- WARNING("\"%ls\": reparse data too long!", path);
- return 0;
- }
-
- /* The WIM stream omits the ReparseTag and ReparseDataLength fields, so
- * leave 8 bytes of space for them at the beginning of the buffer, then
- * set them manually. */
- buf = alloca(len + 8);
- ret = read_full_wim_resource(lte, buf + 8, 0);
- if (ret)
- return ret;
- *(u32*)(buf + 0) = reparse_tag;
- *(u16*)(buf + 4) = len;
- *(u16*)(buf + 6) = 0;
-
- /* Set the reparse data on the open file using the
- * FSCTL_SET_REPARSE_POINT ioctl.
- *
- * There are contradictions in Microsoft's documentation for this:
- *
- * "If hDevice was opened without specifying FILE_FLAG_OVERLAPPED,
- * lpOverlapped is ignored."
- *
- * --- So setting lpOverlapped to NULL is okay since it's ignored.
- *
- * "If lpOverlapped is NULL, lpBytesReturned cannot be NULL. Even when an
- * operation returns no output data and lpOutBuffer is NULL,
- * DeviceIoControl makes use of lpBytesReturned. After such an
- * operation, the value of lpBytesReturned is meaningless."
- *
- * --- So lpOverlapped not really ignored, as it affects another
- * parameter. This is the actual behavior: lpBytesReturned must be
- * specified, even though lpBytesReturned is documented as:
- *
- * "Not used with this operation; set to NULL."
- */
- DWORD bytesReturned;
- if (!DeviceIoControl(h, FSCTL_SET_REPARSE_POINT, buf, len + 8,
- NULL, 0,
- &bytesReturned /* lpBytesReturned */,
- NULL /* lpOverlapped */))
- {
- DWORD err = GetLastError();
- ERROR("Failed to set reparse data on \"%ls\"", path);
- win32_error(err);
- return WIMLIB_ERR_WRITE;
- }
- return 0;
-}
-
-
-static int win32_extract_chunk(const u8 *buf, size_t len, u64 offset, void *arg)
-{
- HANDLE hStream = arg;
-
- DWORD nbytes_written;
- wimlib_assert(len <= 0xffffffff);
-
- if (!WriteFile(hStream, buf, len, &nbytes_written, NULL) ||
- nbytes_written != len)
- {
- DWORD err = GetLastError();
- ERROR("WriteFile(): write error");
- win32_error(err);
- return WIMLIB_ERR_WRITE;
- }
- return 0;
-}
-
-static int do_win32_extract_stream(HANDLE hStream, struct wim_lookup_table_entry *lte)
-{
- return extract_wim_resource(lte, wim_resource_size(lte),
- win32_extract_chunk, hStream);
-}
-
-static int win32_extract_stream(const struct wim_inode *inode,
- const wchar_t *path,
- const wchar_t *stream_name_utf16,
- struct wim_lookup_table_entry *lte)
-{
- wchar_t *stream_path;
- HANDLE h;
- int ret;
- DWORD err;
- DWORD creationDisposition = CREATE_ALWAYS;
-
- if (stream_name_utf16) {
- /* Named stream. Create a buffer that contains the UTF-16LE
- * string [./]@path:@stream_name_utf16. This is needed to
- * create and open the stream using CreateFileW(). I'm not
- * aware of any other APIs to do this. Note: the '$DATA' suffix
- * seems to be unneeded. Additional note: a "./" prefix needs
- * to be added when the path is not absolute to avoid ambiguity
- * with drive letters. */
- size_t stream_path_nchars;
- size_t path_nchars;
- size_t stream_name_nchars;
- const wchar_t *prefix;
-
- path_nchars = wcslen(path);
- stream_name_nchars = wcslen(stream_name_utf16);
- stream_path_nchars = path_nchars + 1 + stream_name_nchars;
- if (path[0] != L'/' && path[0] != L'\\') {
- prefix = L"./";
- stream_path_nchars += 2;
- } else {
- prefix = L"";
- }
- stream_path = alloca((stream_path_nchars + 1) * sizeof(wchar_t));
- swprintf(stream_path, stream_path_nchars + 1, L"%ls%ls:%ls",
- prefix, path, stream_name_utf16);
- } else {
- /* Unnamed stream; its path is just the path to the file itself.
- * */
- stream_path = (wchar_t*)path;
-
- /* Directories must be created with CreateDirectoryW(). Then
- * the call to CreateFileW() will merely open the directory that
- * was already created rather than creating a new file. */
- if (inode->i_attributes & FILE_ATTRIBUTE_DIRECTORY) {
- if (!CreateDirectoryW(stream_path, NULL)) {
- err = GetLastError();
- if (err != ERROR_ALREADY_EXISTS) {
- ERROR("Failed to create directory \"%ls\"",
- stream_path);
- win32_error(err);
- ret = WIMLIB_ERR_MKDIR;
- goto fail;
- }
- }
- DEBUG("Created directory \"%ls\"", stream_path);
- if (!(inode->i_attributes & FILE_ATTRIBUTE_REPARSE_POINT)) {
- ret = 0;
- goto out;
- }
- creationDisposition = OPEN_EXISTING;
- }
- }
-
- DEBUG("Opening \"%ls\"", stream_path);
- h = CreateFileW(stream_path,
- GENERIC_WRITE | WRITE_OWNER | WRITE_DAC | ACCESS_SYSTEM_SECURITY,
- 0,
- NULL,
- creationDisposition,
- FILE_FLAG_OPEN_REPARSE_POINT |
- FILE_FLAG_BACKUP_SEMANTICS |
- inode->i_attributes,
- NULL);
- if (h == INVALID_HANDLE_VALUE) {
- err = GetLastError();
- ERROR("Failed to create \"%ls\"", stream_path);
- win32_error(err);
- ret = WIMLIB_ERR_OPEN;
- goto fail;
- }
-
- if (inode->i_attributes & FILE_ATTRIBUTE_REPARSE_POINT &&
- stream_name_utf16 == NULL)
- {
- DEBUG("Setting reparse data on \"%ls\"", path);
- ret = win32_set_reparse_data(h, inode->i_reparse_tag, lte, path);
- if (ret)
- goto fail_close_handle;
- } else {
- if (lte) {
- DEBUG("Extracting \"%ls\" (len = %"PRIu64")",
- stream_path, wim_resource_size(lte));
- ret = do_win32_extract_stream(h, lte);
- if (ret)
- goto fail_close_handle;
- }
- }
-
- DEBUG("Closing \"%ls\"", stream_path);
- if (!CloseHandle(h)) {
- err = GetLastError();
- ERROR("Failed to close \"%ls\"", stream_path);
- win32_error(err);
- ret = WIMLIB_ERR_WRITE;
- goto fail;
- }
- ret = 0;
- goto out;
-fail_close_handle:
- CloseHandle(h);
-fail:
- ERROR("Error extracting %ls", stream_path);
-out:
- return ret;
-}
-
-/*
- * Creates a file, directory, or reparse point and extracts all streams to it
- * (unnamed data stream and/or reparse point stream, plus any alternate data
- * streams). This in Win32-specific code.
- *
- * @inode: WIM inode for this file or directory.
- * @path: UTF-16LE external path to extract the inode to.
- *
- * Returns 0 on success; nonzero on failure.
- */
-static int win32_extract_streams(struct wim_inode *inode,
- const wchar_t *path, u64 *completed_bytes_p)
-{
- struct wim_lookup_table_entry *unnamed_lte;
- int ret;
-
- unnamed_lte = inode_unnamed_lte_resolved(inode);
- ret = win32_extract_stream(inode, path, NULL, unnamed_lte);
- if (ret)
- goto out;
- if (unnamed_lte)
- *completed_bytes_p += wim_resource_size(unnamed_lte);
- for (u16 i = 0; i < inode->i_num_ads; i++) {
- const struct wim_ads_entry *ads_entry = &inode->i_ads_entries[i];
- if (ads_entry->stream_name_len != 0) {
- /* Skip special UNIX data entries (see documentation for
- * WIMLIB_ADD_IMAGE_FLAG_UNIX_DATA) */
- if (ads_entry->stream_name_len == WIMLIB_UNIX_DATA_TAG_LEN
- && !memcmp(ads_entry->stream_name_utf8,
- WIMLIB_UNIX_DATA_TAG,
- WIMLIB_UNIX_DATA_TAG_LEN))
- continue;
- ret = win32_extract_stream(inode,
- path,
- (const wchar_t*)ads_entry->stream_name,
- ads_entry->lte);
- if (ret)
- break;
- if (ads_entry->lte)
- *completed_bytes_p += wim_resource_size(ads_entry->lte);
- }
- }
-out:
- return ret;
-}
-
-/*
- * Sets the security descriptor on an extracted file. This is Win32-specific
- * code.
- *
- * @inode: The WIM inode that was extracted and has a security descriptor.
- * @path: UTF-16LE external path that the inode was extracted to.
- * @sd: Security data for the WIM image.
- *
- * Returns 0 on success; nonzero on failure.
- */
-static int win32_set_security_data(const struct wim_inode *inode,
- const wchar_t *path,
- const struct wim_security_data *sd)
-{
- SECURITY_INFORMATION securityInformation = DACL_SECURITY_INFORMATION |
- SACL_SECURITY_INFORMATION |
- OWNER_SECURITY_INFORMATION |
- GROUP_SECURITY_INFORMATION;
- if (!SetFileSecurityW(path, securityInformation,
- (PSECURITY_DESCRIPTOR)sd->descriptors[inode->i_security_id]))
- {
- DWORD err = GetLastError();
- ERROR("Can't set security descriptor on \"%ls\"", path);
- win32_error(err);
- return WIMLIB_ERR_WRITE;
- }
- return 0;
-}
-
-#else /* __CYGWIN__ || __WIN32__ */
+#ifndef __WIN32__
static int extract_regular_file_linked(struct wim_dentry *dentry,
const char *output_path,
struct apply_args *args,
return 0;
}
-#endif /* !(__CYGWIN__ || __WIN32__) */
+#endif /* !__WIN32__ */
static int extract_directory(struct wim_dentry *dentry,
const char *output_path, bool is_root)
}
dir_exists:
ret = 0;
-#if !defined(__CYGWIN__) && !defined(__WIN32__)
+#ifndef __WIN32__
if (dentry) {
struct wimlib_unix_data unix_data;
ret = inode_get_unix_data(dentry->d_inode, &unix_data, NULL);
return ret;
}
-/* Extracts a file, directory, or symbolic link from the WIM archive. */
-static int apply_dentry_normal(struct wim_dentry *dentry, void *arg)
+#ifndef __WIN32__
+static int unix_apply_dentry(const char *output_path,
+ size_t output_path_len,
+ const struct wim_dentry *dentry,
+ const struct apply_args *args)
{
- struct apply_args *args = arg;
- struct wim_inode *inode = dentry->d_inode;
- size_t len;
- char *output_path;
-
- len = strlen(args->target);
- if (dentry_is_root(dentry)) {
- output_path = (char*)args->target;
- } else {
- output_path = alloca(len + dentry->full_path_utf8_len + 1);
- memcpy(output_path, args->target, len);
- memcpy(output_path + len, dentry->full_path_utf8, dentry->full_path_utf8_len);
- output_path[len + dentry->full_path_utf8_len] = '\0';
- len += dentry->full_path_utf8_len;
- }
-
-#if defined(__CYGWIN__) || defined(__WIN32__)
- char *utf16_path;
- size_t utf16_path_len;
- DWORD err;
- int ret;
- ret = utf8_to_utf16(output_path, len, &utf16_path, &utf16_path_len);
- if (ret)
- return ret;
+ const struct wim_inode *inode = dentry->d_inode;
- if (inode->i_nlink > 1 && inode->i_extracted_file != NULL) {
- /* Linked file, with another name already extracted. Create a
- * hard link. */
- DEBUG("Creating hard link \"%ls => %ls\"",
- (const wchar_t*)utf16_path,
- (const wchar_t*)inode->i_extracted_file);
- if (!CreateHardLinkW((const wchar_t*)utf16_path,
- (const wchar_t*)inode->i_extracted_file,
- NULL))
- {
- err = GetLastError();
- ERROR("Can't create hard link \"%ls => %ls\"",
- (const wchar_t*)utf16_path,
- (const wchar_t*)inode->i_extracted_file);
- ret = WIMLIB_ERR_LINK;
- win32_error(err);
- }
- } else {
- /* Create the file, directory, or reparse point, and extract the
- * data streams. */
- ret = win32_extract_streams(inode, (const wchar_t*)utf16_path,
- &args->progress.extract.completed_bytes);
- if (ret)
- goto out_free_utf16_path;
-
- /* Set security descriptor if present */
- if (inode->i_security_id != -1) {
- DEBUG("Setting security descriptor %d on %s",
- inode->i_security_id, output_path);
- ret = win32_set_security_data(inode,
- (const wchar_t*)utf16_path,
- wim_const_security_data(args->w));
- if (ret)
- goto out_free_utf16_path;
- }
- if (inode->i_nlink > 1) {
- /* Save extracted path for a later call to
- * CreateHardLinkW() if this inode has multiple links.
- * */
- inode->i_extracted_file = utf16_path;
- goto out;
- }
- }
-out_free_utf16_path:
- FREE(utf16_path);
-out:
- return ret;
-#else
if (inode_is_symlink(inode))
return extract_symlink(dentry, args, output_path);
else if (inode_is_directory(inode))
output_path, false);
else
return extract_regular_file(dentry, args, output_path);
-#endif
}
-/* Apply timestamps to an extracted file or directory */
-static int apply_dentry_timestamps_normal(struct wim_dentry *dentry, void *arg)
+static int unix_apply_dentry_timestamps(const char *output_path,
+ size_t output_path_len,
+ const struct wim_dentry *dentry,
+ struct apply_args *args)
{
- struct apply_args *args = arg;
- size_t len;
- char *output_path;
int ret;
- const struct wim_inode *inode = dentry->d_inode;
-
- len = strlen(args->target);
- if (dentry_is_root(dentry)) {
- output_path = (char*)args->target;
- } else {
- output_path = alloca(len + dentry->full_path_utf8_len + 1);
- memcpy(output_path, args->target, len);
- memcpy(output_path + len, dentry->full_path_utf8, dentry->full_path_utf8_len);
- output_path[len + dentry->full_path_utf8_len] = '\0';
- len += dentry->full_path_utf8_len;
- }
-
-#if defined(__CYGWIN__) || defined(__WIN32__)
- /* Win32 */
- char *utf16_path;
- size_t utf16_path_len;
- DWORD err;
- HANDLE h;
-
- ret = utf8_to_utf16(output_path, len, &utf16_path, &utf16_path_len);
- if (ret)
- return ret;
-
- DEBUG("Opening \"%s\" to set timestamps", output_path);
- h = CreateFileW((const wchar_t*)utf16_path,
- GENERIC_WRITE | WRITE_OWNER | WRITE_DAC | ACCESS_SYSTEM_SECURITY,
- FILE_SHARE_READ,
- NULL,
- OPEN_EXISTING,
- FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT,
- NULL);
-
- if (h == INVALID_HANDLE_VALUE)
- err = GetLastError();
- FREE(utf16_path);
- if (h == INVALID_HANDLE_VALUE)
- goto fail;
-
- FILETIME creationTime = {.dwLowDateTime = inode->i_creation_time & 0xffffffff,
- .dwHighDateTime = inode->i_creation_time >> 32};
- FILETIME lastAccessTime = {.dwLowDateTime = inode->i_last_access_time & 0xffffffff,
- .dwHighDateTime = inode->i_last_access_time >> 32};
- FILETIME lastWriteTime = {.dwLowDateTime = inode->i_last_write_time & 0xffffffff,
- .dwHighDateTime = inode->i_last_write_time >> 32};
-
- DEBUG("Calling SetFileTime() on \"%s\"", output_path);
- if (!SetFileTime(h, &creationTime, &lastAccessTime, &lastWriteTime)) {
- err = GetLastError();
- CloseHandle(h);
- goto fail;
- }
- DEBUG("Closing \"%s\"", output_path);
- if (!CloseHandle(h)) {
- err = GetLastError();
- goto fail;
- }
- goto out;
-fail:
- /* Only warn if setting timestamps failed. */
- WARNING("Can't set timestamps on \"%s\"", output_path);
- win32_error(err);
-out:
- return 0;
-#else
- /* UNIX */
-
/* Convert the WIM timestamps, which are accurate to 100 nanoseconds,
* into struct timeval's. */
struct timeval tv[2];
}
}
return 0;
+}
+#endif /* !__WIN32__ */
+
+/* Extracts a file, directory, or symbolic link from the WIM archive. */
+static int apply_dentry_normal(struct wim_dentry *dentry, void *arg)
+{
+ struct apply_args *args = arg;
+ struct wim_inode *inode = dentry->d_inode;
+ size_t len;
+ char *output_path;
+
+ len = strlen(args->target);
+ if (dentry_is_root(dentry)) {
+ output_path = (char*)args->target;
+ } else {
+ output_path = alloca(len + dentry->full_path_utf8_len + 1);
+ memcpy(output_path, args->target, len);
+ memcpy(output_path + len, dentry->full_path_utf8, dentry->full_path_utf8_len);
+ output_path[len + dentry->full_path_utf8_len] = '\0';
+ len += dentry->full_path_utf8_len;
+ }
+#ifdef __WIN32__
+ return win32_apply_dentry(output_path, len, dentry, args);
+#else
+ return unix_apply_dentry(output_path, len, dentry, args);
+#endif
+}
+
+
+/* Apply timestamps to an extracted file or directory */
+static int apply_dentry_timestamps_normal(struct wim_dentry *dentry, void *arg)
+{
+ struct apply_args *args = arg;
+ size_t len;
+ char *output_path;
+
+ len = strlen(args->target);
+ if (dentry_is_root(dentry)) {
+ output_path = (char*)args->target;
+ } else {
+ output_path = alloca(len + dentry->full_path_utf8_len + 1);
+ memcpy(output_path, args->target, len);
+ memcpy(output_path + len, dentry->full_path_utf8, dentry->full_path_utf8_len);
+ output_path[len + dentry->full_path_utf8_len] = '\0';
+ len += dentry->full_path_utf8_len;
+ }
+#ifdef __WIN32__
+ return win32_apply_dentry_timestamps(output_path, len, dentry, args);
+#else
+ return unix_apply_dentry_timestamps(output_path, len, dentry, args);
#endif
}
== (WIMLIB_EXTRACT_FLAG_SYMLINK | WIMLIB_EXTRACT_FLAG_HARDLINK))
return WIMLIB_ERR_INVALID_PARAM;
-#if defined(__CYGWIN__) || defined(__WIN32__)
+#ifdef __WIN32__
if (extract_flags & WIMLIB_EXTRACT_FLAG_UNIX_DATA) {
ERROR("Extracting UNIX data is not supported on Windows");
return WIMLIB_ERR_INVALID_PARAM;
w->lookup_table = joined_tab;
}
-#if defined(__CYGWIN__) || defined(__WIN32__)
- win32_acquire_privilege(SE_RESTORE_NAME);
- win32_acquire_privilege(SE_SECURITY_NAME);
- win32_acquire_privilege(SE_TAKE_OWNERSHIP_NAME);
+#ifdef __WIN32__
+ win32_acquire_restore_privileges();
#endif
if (image == WIMLIB_ALL_IMAGES) {
extract_flags |= WIMLIB_EXTRACT_FLAG_MULTI_IMAGE;
ret = extract_single_image(w, image, target, extract_flags,
progress_func);
}
-#if defined(__CYGWIN__) || defined(__WIN32__)
- win32_release_privilege(SE_RESTORE_NAME);
- win32_release_privilege(SE_SECURITY_NAME);
- win32_release_privilege(SE_TAKE_OWNERSHIP_NAME);
+#ifdef __WIN32__
+ win32_release_restore_privileges();
#endif
if (extract_flags & (WIMLIB_EXTRACT_FLAG_SYMLINK |
git://wimlib.net / wimlib / blobdiff