*
*/
/*
- Copyright (C) 2003-2005 Kern Sibbald
+ Bacula® - The Network Backup Solution
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- version 2 as amended with additional clauses defined in the
- file LICENSE in the main source directory.
+ Copyright (C) 2003-2006 Free Software Foundation Europe e.V.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- the file LICENSE for additional details.
+ The main author of Bacula is Kern Sibbald, with contributions from
+ many others, a complete list can be found in the file AUTHORS.
+ This program is Free Software; you can redistribute it and/or
+ modify it under the terms of version two of the GNU General Public
+ License as published by the Free Software Foundation plus additions
+ that are listed in the file LICENSE.
- */
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA.
+
+ Bacula® is a registered trademark of John Walker.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
#include "bacula.h"
#include "find.h"
bool processWin32BackupAPIBlock (BFILE *bfd, void *pBuffer, ssize_t dwSize)
-{
+{
/* pByte contains the buffer
dwSize the len to be processed. function assumes to be
called in successive incremental order over the complete
*/
int32_t dwSizeHeader = 20;
- do {
- if (pContext->liNextHeader >= dwSize) {
+ do {
+ if (pContext->liNextHeader >= dwSize) {
dwDataLen = dwSize-dwDataOffset;
bContinue = false; /* 1 iteration is enough */
- }
- else {
+ } else {
dwDataLen = pContext->liNextHeader-dwDataOffset;
bContinue = true; /* multiple iterations may be necessary */
}
/* copy block of real DATA */
if (pContext->bIsInData) {
if (bwrite(bfd, ((char *)pBuffer)+dwDataOffset, dwDataLen) != (ssize_t)dwDataLen)
- return false;
+ return false;
}
if (pContext->liNextHeader < dwSize) {/* is a header in this block ? */
int32_t dwOffsetTarget;
int32_t dwOffsetSource;
-
+
if (pContext->liNextHeader < 0) {
/* start of header was before this block, so we
* continue with the part in the current block
*/
- dwOffsetTarget = -pContext->liNextHeader;
- dwOffsetSource = 0;
+ dwOffsetTarget = -pContext->liNextHeader;
+ dwOffsetSource = 0;
} else {
/* start of header is inside of this block */
dwOffsetTarget = 0;
- dwOffsetSource = pContext->liNextHeader;
+ dwOffsetSource = pContext->liNextHeader;
}
int32_t dwHeaderPartLen = dwSizeHeader-dwOffsetTarget;
bool bHeaderIsComplete;
- if (dwHeaderPartLen <= dwSize-dwOffsetSource)
+ if (dwHeaderPartLen <= dwSize-dwOffsetSource) {
/* header (or rest of header) is completely available
in current block
*/
bHeaderIsComplete = true;
- else {
+ } else {
/* header will continue in next block */
bHeaderIsComplete = false;
dwHeaderPartLen = dwSize-dwOffsetSource;
int32_t dwNameSize;
int32_LE2BE (&dwNameSize, pContext->header_stream.dwStreamNameSize);
dwDataOffset = dwNameSize+pContext->liNextHeader+dwSizeHeader;
-
+
/* convert stream size (64 bit little endian) to machine type */
int64_LE2BE (&(pContext->liNextHeader), pContext->header_stream.Size);
pContext->liNextHeader += dwDataOffset;
pContext->bIsInData = pContext->header_stream.dwStreamId == WIN32_BACKUP_DATA;
if (dwDataOffset == dwSize)
- bContinue = false;
- }
- else {
+ bContinue = false;
+ } else {
/* stop and continue with next block */
bContinue = false;
pContext->bIsInData = false;
}
- }
- } while (bContinue);
+ }
+ } while (bContinue);
/* set "NextHeader" relative to the beginning of the next block */
pContext->liNextHeader-= dwSize;
* ===============================================================
*/
-#if defined(HAVE_CYGWIN) || defined(HAVE_WIN32)
+#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));
}
-
/*
* Return true if we support the stream
* false if we do not support the stream
if (!(p_CreateFileA || p_CreateFileW))
return 0;
- if (p_CreateFileW && p_MultiByteToWideChar)
- UTF8_2_wchar(&win32_fname_wchar, win32_fname);
+ 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) {
dwflags = 0;
}
- // unicode or ansii 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 */
- }
-
+ // unicode or ansii 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;
dwflags = 0;
}
- // unicode or ansii 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 */
+ // unicode or ansii 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;
}
// unicode or ansii 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 */
- }
+ 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;
}
return bfd->mode != BF_CLOSED;
}
-off_t blseek(BFILE *bfd, off_t offset, int whence)
+boffset_t blseek(BFILE *bfd, boffset_t offset, int whence)
{
- /* ****FIXME**** this must be implemented if we want to read Win32 Archives */
- return -1;
+ 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 */
}
/* Normal file open */
- bfd->fid = open(fname, flags, mode);
+ Dmsg1(400, "open file %s\n", fname);
+ /* We use fnctl to set O_NOATIME if requested to avoid open error */
+ bfd->fid = open(fname, flags & ~O_NOATIME, mode);
+ /* Set O_NOATIME if possible */
+ if (bfd->fid != -1 && flags & O_NOATIME) {
+ int oldflags = fcntl(bfd->fid, F_GETFL, 0);
+ if (oldflags == -1) {
+ bfd->berrno = errno;
+ close(bfd->fid);
+ bfd->fid = -1;
+ } else {
+ int ret = fcntl(bfd->fid, F_SETFL, oldflags | O_NOATIME);
+ /* EPERM means setting O_NOATIME was not allowed */
+ if (ret == -1 && errno != EPERM) {
+ bfd->berrno = errno;
+ close(bfd->fid);
+ bfd->fid = -1;
+ }
+ }
+ }
bfd->berrno = errno;
Dmsg1(400, "Open file %d\n", bfd->fid);
errno = bfd->berrno;
return bfd->fid >= 0;
}
-off_t blseek(BFILE *bfd, off_t offset, int whence)
+boffset_t blseek(BFILE *bfd, boffset_t offset, int whence)
{
- off_t pos;
- pos = lseek(bfd->fid, offset, whence);
+ boffset_t pos;
+ pos = (boffset_t)lseek(bfd->fid, (off_t)offset, whence);
bfd->berrno = errno;
return pos;
}
projects / bacula / bacula / blobdiff