-/* ===============================================================
- *
- * W I N D O W S
- *
- * ===============================================================
- */
-
-#if defined(HAVE_WIN32)
-
-void unix_name_to_win32(POOLMEM **win32_name, char *name);
-extern "C" HANDLE get_osfhandle(int fd);
-
-
-void binit(BFILE *bfd)
-{
- memset(bfd, 0, sizeof(BFILE));
- bfd->fid = -1;
- bfd->mode = BF_CLOSED;
- bfd->use_backup_api = have_win32_api();
-}
-
-/*
- * Enables using the Backup API (win32_data).
- * Returns 1 if function worked
- * Returns 0 if failed (i.e. do not have Backup API on this machine)
- */
-bool set_win32_backup(BFILE *bfd)
-{
- /* We enable if possible here */
- bfd->use_backup_api = have_win32_api();
- return bfd->use_backup_api;
-}
-
-
-bool set_portable_backup(BFILE *bfd)
-{
- bfd->use_backup_api = false;
- return true;
-}
-
-bool set_prog(BFILE *bfd, char *prog, JCR *jcr)
-{
- bfd->prog = prog;
- bfd->jcr = jcr;
- return false;
-}
-
-/*
- * Return 1 if we are NOT using Win32 BackupWrite()
- * return 0 if are
- */
-bool is_portable_backup(BFILE *bfd)
-{
- return !bfd->use_backup_api;
-}
-
-bool have_win32_api()
-{
- return p_BackupRead && p_BackupWrite;
-}
-
-
-/*
- * Return true if we support the stream
- * false if we do not support the stream
- *
- * This code is running under Win32, so we
- * do not need #ifdef on MACOS ...
- */
-bool is_restore_stream_supported(int stream)
-{
- switch (stream) {
-
-/* Streams known not to be supported */
-#ifndef HAVE_LIBZ
- case STREAM_GZIP_DATA:
- case STREAM_SPARSE_GZIP_DATA:
- case STREAM_WIN32_GZIP_DATA:
-#endif
- case STREAM_MACOS_FORK_DATA:
- case STREAM_HFSPLUS_ATTRIBUTES:
- case STREAM_ENCRYPTED_MACOS_FORK_DATA:
- return false;
-
- /* Known streams */
-#ifdef HAVE_LIBZ
- case STREAM_GZIP_DATA:
- case STREAM_SPARSE_GZIP_DATA:
- case STREAM_WIN32_GZIP_DATA:
-#endif
- case STREAM_WIN32_DATA:
- case STREAM_UNIX_ATTRIBUTES:
- case STREAM_FILE_DATA:
- case STREAM_MD5_DIGEST:
- case STREAM_UNIX_ATTRIBUTES_EX:
- case STREAM_SPARSE_DATA:
- case STREAM_PROGRAM_NAMES:
- case STREAM_PROGRAM_DATA:
- case STREAM_SHA1_DIGEST:
-#ifdef HAVE_SHA2
- case STREAM_SHA256_DIGEST:
- case STREAM_SHA512_DIGEST:
-#endif
-#ifdef HAVE_CRYPTO
- case STREAM_SIGNED_DIGEST:
- case STREAM_ENCRYPTED_FILE_DATA:
- case STREAM_ENCRYPTED_FILE_GZIP_DATA:
- case STREAM_ENCRYPTED_WIN32_DATA:
- case STREAM_ENCRYPTED_WIN32_GZIP_DATA:
-#endif
- case 0: /* compatibility with old tapes */
- return true;
- }
- return false;
-}
-
-HANDLE bget_handle(BFILE *bfd)
-{
- return bfd->fh;
-}
-
-int bopen(BFILE *bfd, const char *fname, int flags, mode_t mode)
-{
- POOLMEM *win32_fname;
- POOLMEM *win32_fname_wchar;
-
- DWORD dwaccess, dwflags, dwshare;
-
- /* Convert to Windows path format */
- win32_fname = get_pool_memory(PM_FNAME);
- win32_fname_wchar = get_pool_memory(PM_FNAME);
-
- unix_name_to_win32(&win32_fname, (char *)fname);
-
- if (!(p_CreateFileA || p_CreateFileW))
- return 0;
-
- if (p_CreateFileW && p_MultiByteToWideChar)
- make_win32_path_UTF8_2_wchar(&win32_fname_wchar, fname);
-
- if (flags & O_CREAT) { /* Create */
- if (bfd->use_backup_api) {
- dwaccess = GENERIC_WRITE|FILE_ALL_ACCESS|WRITE_OWNER|WRITE_DAC|ACCESS_SYSTEM_SECURITY;
- dwflags = FILE_FLAG_BACKUP_SEMANTICS;
- } else {
- dwaccess = GENERIC_WRITE;
- dwflags = 0;
- }
-
- // unicode or ascii open for create write
- if (p_CreateFileW && p_MultiByteToWideChar) {
- bfd->fh = p_CreateFileW((LPCWSTR)win32_fname_wchar,
- dwaccess, /* Requested access */
- 0, /* Shared mode */
- NULL, /* SecurityAttributes */
- CREATE_ALWAYS, /* CreationDisposition */
- dwflags, /* Flags and attributes */
- NULL); /* TemplateFile */
- } else {
- bfd->fh = p_CreateFileA(win32_fname,
- dwaccess, /* Requested access */
- 0, /* Shared mode */
- NULL, /* SecurityAttributes */
- CREATE_ALWAYS, /* CreationDisposition */
- dwflags, /* Flags and attributes */
- NULL); /* TemplateFile */
- }
-
- bfd->mode = BF_WRITE;
-
- } else if (flags & O_WRONLY) { /* Open existing for write */
- if (bfd->use_backup_api) {
- dwaccess = GENERIC_WRITE|WRITE_OWNER|WRITE_DAC;
- dwflags = FILE_FLAG_BACKUP_SEMANTICS;
- } else {
- dwaccess = GENERIC_WRITE;
- dwflags = 0;
- }
-
- // unicode or ascii open for open existing write
- if (p_CreateFileW && p_MultiByteToWideChar) {
- bfd->fh = p_CreateFileW((LPCWSTR)win32_fname_wchar,
- dwaccess, /* Requested access */
- 0, /* Shared mode */
- NULL, /* SecurityAttributes */
- OPEN_EXISTING, /* CreationDisposition */
- dwflags, /* Flags and attributes */
- NULL); /* TemplateFile */
- } else {
- bfd->fh = p_CreateFileA(win32_fname,
- dwaccess, /* Requested access */
- 0, /* Shared mode */
- NULL, /* SecurityAttributes */
- OPEN_EXISTING, /* CreationDisposition */
- dwflags, /* Flags and attributes */
- NULL); /* TemplateFile */
-
- }
-
- bfd->mode = BF_WRITE;
-
- } else { /* Read */
- if (bfd->use_backup_api) {
- dwaccess = GENERIC_READ|READ_CONTROL|ACCESS_SYSTEM_SECURITY;
- dwflags = FILE_FLAG_BACKUP_SEMANTICS;
- dwshare = FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE;
- } else {
- dwaccess = GENERIC_READ;
- dwflags = 0;
- dwshare = FILE_SHARE_READ|FILE_SHARE_WRITE;
- }
-
- // unicode or ascii open for open existing read
- if (p_CreateFileW && p_MultiByteToWideChar) {
- bfd->fh = p_CreateFileW((LPCWSTR)win32_fname_wchar,
- dwaccess, /* Requested access */
- dwshare, /* Share modes */
- NULL, /* SecurityAttributes */
- OPEN_EXISTING, /* CreationDisposition */
- dwflags, /* Flags and attributes */
- NULL); /* TemplateFile */
- } else {
- bfd->fh = p_CreateFileA(win32_fname,
- dwaccess, /* Requested access */
- dwshare, /* Share modes */
- NULL, /* SecurityAttributes */
- OPEN_EXISTING, /* CreationDisposition */
- dwflags, /* Flags and attributes */
- NULL); /* TemplateFile */
- }
-
- bfd->mode = BF_READ;
- }
-
- if (bfd->fh == INVALID_HANDLE_VALUE) {
- bfd->lerror = GetLastError();
- bfd->berrno = b_errno_win32;
- errno = b_errno_win32;
- bfd->mode = BF_CLOSED;
- }
- bfd->errmsg = NULL;
- bfd->lpContext = NULL;
- bfd->win32DecompContext.bIsInData = false;
- bfd->win32DecompContext.liNextHeader = 0;
- free_pool_memory(win32_fname_wchar);
- free_pool_memory(win32_fname);
- return bfd->mode == BF_CLOSED ? -1 : 1;
-}
-
-/*
- * Returns 0 on success
- * -1 on error
- */
-int bclose(BFILE *bfd)
-{
- int stat = 0;
-
- if (bfd->errmsg) {
- free_pool_memory(bfd->errmsg);
- bfd->errmsg = NULL;
- }
- if (bfd->mode == BF_CLOSED) {
- return 0;
- }
- if (bfd->use_backup_api && bfd->mode == BF_READ) {
- BYTE buf[10];
- if (!bfd->lpContext && !p_BackupRead(bfd->fh,
- buf, /* buffer */
- (DWORD)0, /* bytes to read */
- &bfd->rw_bytes, /* bytes read */
- 1, /* Abort */
- 1, /* ProcessSecurity */
- &bfd->lpContext)) { /* Read context */
- errno = b_errno_win32;
- stat = -1;
- }
- } else if (bfd->use_backup_api && bfd->mode == BF_WRITE) {
- BYTE buf[10];
- if (!bfd->lpContext && !p_BackupWrite(bfd->fh,
- buf, /* buffer */
- (DWORD)0, /* bytes to read */
- &bfd->rw_bytes, /* bytes written */
- 1, /* Abort */
- 1, /* ProcessSecurity */
- &bfd->lpContext)) { /* Write context */
- errno = b_errno_win32;
- stat = -1;
- }
- }
- if (!CloseHandle(bfd->fh)) {
- stat = -1;
- errno = b_errno_win32;
- }
- bfd->mode = BF_CLOSED;
- bfd->lpContext = NULL;
- return stat;
-}
-
-/* Returns: bytes read on success
- * 0 on EOF
- * -1 on error
- */
-ssize_t bread(BFILE *bfd, void *buf, size_t count)
-{
- bfd->rw_bytes = 0;
-
- if (bfd->use_backup_api) {
- if (!p_BackupRead(bfd->fh,
- (BYTE *)buf,
- count,
- &bfd->rw_bytes,
- 0, /* no Abort */
- 1, /* Process Security */
- &bfd->lpContext)) { /* Context */
- bfd->lerror = GetLastError();
- bfd->berrno = b_errno_win32;
- errno = b_errno_win32;
- return -1;
- }
- } else {
- if (!ReadFile(bfd->fh,
- buf,
- count,
- &bfd->rw_bytes,
- NULL)) {
- bfd->lerror = GetLastError();
- bfd->berrno = b_errno_win32;
- errno = b_errno_win32;
- return -1;
- }
- }
-
- return (ssize_t)bfd->rw_bytes;
-}
-
-ssize_t bwrite(BFILE *bfd, void *buf, size_t count)
-{
- bfd->rw_bytes = 0;
-
- if (bfd->use_backup_api) {
- if (!p_BackupWrite(bfd->fh,
- (BYTE *)buf,
- count,
- &bfd->rw_bytes,
- 0, /* No abort */
- 1, /* Process Security */
- &bfd->lpContext)) { /* Context */
- bfd->lerror = GetLastError();
- bfd->berrno = b_errno_win32;
- errno = b_errno_win32;
- return -1;
- }
- } else {
- if (!WriteFile(bfd->fh,
- buf,
- count,
- &bfd->rw_bytes,
- NULL)) {
- bfd->lerror = GetLastError();
- bfd->berrno = b_errno_win32;
- errno = b_errno_win32;
- return -1;
- }
- }
- return (ssize_t)bfd->rw_bytes;
-}
-
-bool is_bopen(BFILE *bfd)
-{
- return bfd->mode != BF_CLOSED;
-}
-
-boffset_t blseek(BFILE *bfd, boffset_t offset, int whence)
-{
- LONG offset_low = (LONG)offset;
- LONG offset_high = (LONG)(offset >> 32);
- DWORD dwResult;
-
- dwResult = SetFilePointer(bfd->fh, offset_low, &offset_high, whence);
-
- if (dwResult == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) {
- return (boffset_t)-1;
- }
-
- return ((boffset_t)offset_high << 32) | dwResult;
-}
-
-#else /* Unix systems */