-/*
- * Bacula low level File I/O routines. This routine simulates
- * open(), read(), write(), and close(), but using native routines.
- * I.e. on Windows, we use Windows APIs.
- *
- * Kern Sibbald, April MMIII
- *
- * Version $Id$
- *
- */
/*
Bacula® - The Network Backup Solution
- Copyright (C) 2003-2007 Free Software Foundation Europe e.V.
+ Copyright (C) 2003-2010 Free Software Foundation Europe e.V.
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
+ modify it under the terms of version three of the GNU Affero General Public
License as published by the Free Software Foundation and included
in the file LICENSE.
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
+ You should have received a copy of the GNU Affero 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.
+ Bacula® is a registered trademark of Kern Sibbald.
The licensor of Bacula is the Free Software Foundation Europe
(FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
Switzerland, email:ftf@fsfeurope.org.
*/
+/*
+ * Bacula low level File I/O routines. This routine simulates
+ * open(), read(), write(), and close(), but using native routines.
+ * I.e. on Windows, we use Windows APIs.
+ *
+ * Kern Sibbald, April MMIII
+ *
+ */
#include "bacula.h"
#include "find.h"
-bool (*python_set_prog)(JCR *jcr, const char *prog) = NULL;
-int (*python_open)(BFILE *bfd, const char *fname, int flags, mode_t mode) = NULL;
-int (*python_close)(BFILE *bfd) = NULL;
-ssize_t (*python_read)(BFILE *bfd, void *buf, size_t count) = NULL;
-ssize_t (*python_write)(BFILE *bfd, void *buf, size_t count) = NULL;
+const int dbglvl = 200;
+
+int (*plugin_bopen)(BFILE *bfd, const char *fname, int flags, mode_t mode) = NULL;
+int (*plugin_bclose)(BFILE *bfd) = NULL;
+ssize_t (*plugin_bread)(BFILE *bfd, void *buf, size_t count) = NULL;
+ssize_t (*plugin_bwrite)(BFILE *bfd, void *buf, size_t count) = NULL;
+boffset_t (*plugin_blseek)(BFILE *bfd, boffset_t offset, int whence) = NULL;
+
#ifdef HAVE_DARWIN_OS
#include <sys/paths.h>
#define fdatasync(fd)
#endif
+#ifdef HAVE_WIN32
+void pause_msg(const char *file, const char *func, int line, const char *msg)
+{
+ char buf[1000];
+ if (msg) {
+ bsnprintf(buf, sizeof(buf), "%s:%s:%d %s", file, func, line, msg);
+ } else {
+ bsnprintf(buf, sizeof(buf), "%s:%s:%d", file, func, line);
+ }
+ MessageBox(NULL, buf, "Pause", MB_OK);
+}
+#endif
/* ===============================================================
*
return _("MacOS Fork data");
case STREAM_HFSPLUS_ATTRIBUTES:
return _("HFS+ attribs");
- case STREAM_UNIX_ATTRIBUTES_ACCESS_ACL:
+ case STREAM_UNIX_ACCESS_ACL:
return _("Standard Unix ACL attribs");
- case STREAM_UNIX_ATTRIBUTES_DEFAULT_ACL:
+ case STREAM_UNIX_DEFAULT_ACL:
return _("Default Unix ACL attribs");
case STREAM_SHA256_DIGEST:
return _("SHA256 digest");
return _("Encrypted Win32 GZIP data");
case STREAM_ENCRYPTED_MACOS_FORK_DATA:
return _("Encrypted MacOS fork data");
+ case STREAM_ACL_AIX_TEXT:
+ return _("AIX Specific ACL attribs");
+ case STREAM_ACL_DARWIN_ACCESS_ACL:
+ return _("Darwin Specific ACL attribs");
+ case STREAM_ACL_FREEBSD_DEFAULT_ACL:
+ return _("FreeBSD Specific Default ACL attribs");
+ case STREAM_ACL_FREEBSD_ACCESS_ACL:
+ return _("FreeBSD Specific Access ACL attribs");
+ case STREAM_ACL_HPUX_ACL_ENTRY:
+ return _("HPUX Specific ACL attribs");
+ case STREAM_ACL_IRIX_DEFAULT_ACL:
+ return _("Irix Specific Default ACL attribs");
+ case STREAM_ACL_IRIX_ACCESS_ACL:
+ return _("Irix Specific Access ACL attribs");
+ case STREAM_ACL_LINUX_DEFAULT_ACL:
+ return _("Linux Specific Default ACL attribs");
+ case STREAM_ACL_LINUX_ACCESS_ACL:
+ return _("Linux Specific Access ACL attribs");
+ case STREAM_ACL_TRU64_DEFAULT_ACL:
+ return _("OSF1 Specific Default ACL attribs");
+ case STREAM_ACL_TRU64_ACCESS_ACL:
+ return _("OSF1 Specific Access ACL attribs");
+ case STREAM_ACL_SOLARIS_ACLENT:
+ return _("Solaris Specific ACL attribs");
+ case STREAM_ACL_SOLARIS_ACE:
+ return _("Solaris Specific ACL attribs");
+ case STREAM_ACL_AFS_TEXT:
+ return _("AFS Specific ACL attribs");
+ case STREAM_ACL_AIX_AIXC:
+ return _("AIX Specific ACL attribs");
+ case STREAM_ACL_AIX_NFS4:
+ return _("AIX Specific ACL attribs");
+ case STREAM_XATTR_AIX:
+ return _("AIX Specific Extended attribs");
+ case STREAM_XATTR_OPENBSD:
+ return _("OpenBSD Specific Extended attribs");
+ case STREAM_XATTR_SOLARIS_SYS:
+ return _("Solaris Specific Extensible attribs or System Extended attribs");
+ case STREAM_XATTR_SOLARIS:
+ return _("Solaris Specific Extended attribs");
+ case STREAM_XATTR_DARWIN:
+ return _("Darwin Specific Extended attribs");
+ case STREAM_XATTR_FREEBSD:
+ return _("FreeBSD Specific Extended attribs");
+ case STREAM_XATTR_LINUX:
+ return _("Linux Specific Extended attribs");
+ case STREAM_XATTR_NETBSD:
+ return _("NetBSD Specific Extended attribs");
default:
sprintf(buf, "%d", stream);
return (const char *)buf;
}
}
-
+/**
+ * Convert a 64 bit little endian to a big endian
+ */
void int64_LE2BE(int64_t* pBE, const int64_t v)
{
/* convert little endian to big endian */
if (htonl(1) != 1L) { /* no work if on little endian machine */
- memcpy(pBE, &v, sizeof(int64_t));
+ memcpy(pBE, &v, sizeof(int64_t));
} else {
- int i;
- uint8_t rv[sizeof(int64_t)];
- uint8_t *pv = (uint8_t *) &v;
-
- for (i = 0; i < 8; i++) {
- rv[i] = pv[7 - i];
- }
- memcpy(pBE, &rv, sizeof(int64_t));
+ int i;
+ uint8_t rv[sizeof(int64_t)];
+ uint8_t *pv = (uint8_t *) &v;
+
+ for (i = 0; i < 8; i++) {
+ rv[i] = pv[7 - i];
+ }
+ memcpy(pBE, &rv, sizeof(int64_t));
}
}
-
+/**
+ * Convert a 32 bit little endian to a big endian
+ */
void int32_LE2BE(int32_t* pBE, const int32_t v)
{
/* convert little endian to big endian */
if (htonl(1) != 1L) { /* no work if on little endian machine */
- memcpy(pBE, &v, sizeof(int32_t));
+ memcpy(pBE, &v, sizeof(int32_t));
} else {
- int i;
- uint8_t rv[sizeof(int32_t)];
- uint8_t *pv = (uint8_t *) &v;
-
- for (i = 0; i < 4; i++) {
- rv[i] = pv[3 - i];
- }
- memcpy(pBE, &rv, sizeof(int32_t));
+ int i;
+ uint8_t rv[sizeof(int32_t)];
+ uint8_t *pv = (uint8_t *) &v;
+
+ for (i = 0; i < 4; i++) {
+ rv[i] = pv[3 - i];
+ }
+ memcpy(pBE, &rv, sizeof(int32_t));
}
}
+/**
+ * Read a BackupRead block and pull out the file data
+ */
bool processWin32BackupAPIBlock (BFILE *bfd, void *pBuffer, ssize_t dwSize)
{
/* pByte contains the buffer
bfd->fid = -1;
bfd->mode = BF_CLOSED;
bfd->use_backup_api = have_win32_api();
+ bfd->cmd_plugin = false;
}
/*
return true;
}
-bool set_prog(BFILE *bfd, char *prog, JCR *jcr)
+bool set_cmd_plugin(BFILE *bfd, JCR *jcr)
{
- bfd->prog = prog;
+ bfd->cmd_plugin = true;
bfd->jcr = jcr;
- return false;
+ return true;
}
/*
unix_name_to_win32(&win32_fname, (char *)fname);
- if (!(p_CreateFileA || p_CreateFileW))
+ if (bfd->cmd_plugin && plugin_bopen) {
+ int rtnstat;
+ Dmsg1(50, "call plugin_bopen fname=%s\n", fname);
+ rtnstat = plugin_bopen(bfd, fname, flags, mode);
+ Dmsg1(50, "return from plugin_bopen status=%d\n", rtnstat);
+ if (rtnstat >= 0) {
+ if (flags & O_CREAT || flags & O_WRONLY) { /* Open existing for write */
+ Dmsg1(50, "plugin_open for write OK file=%s.\n", fname);
+ bfd->mode = BF_WRITE;
+ } else {
+ Dmsg1(50, "plugin_open for read OK file=%s.\n", fname);
+ bfd->mode = BF_READ;
+ }
+ } else {
+ bfd->mode = BF_CLOSED;
+ Dmsg1(000, "==== plugin_bopen returned bad status=%d\n", rtnstat);
+ }
+ free_pool_memory(win32_fname_wchar);
+ free_pool_memory(win32_fname);
+ return bfd->mode == BF_CLOSED ? -1 : 1;
+ }
+ Dmsg0(50, "=== NO plugin\n");
+
+ if (!(p_CreateFileA || p_CreateFileW)) {
+ Dmsg0(50, "No CreateFileA and no CreateFileW!!!!!\n");
return 0;
+ }
- if (p_CreateFileW && p_MultiByteToWideChar)
+ 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 ascii open for create write
if (p_CreateFileW && p_MultiByteToWideChar) {
+ // unicode open for create write
+ Dmsg1(100, "Create CreateFileW=%s\n", win32_fname);
bfd->fh = p_CreateFileW((LPCWSTR)win32_fname_wchar,
dwaccess, /* Requested access */
0, /* Shared mode */
dwflags, /* Flags and attributes */
NULL); /* TemplateFile */
} else {
+ // ascii open
+ Dmsg1(100, "Create CreateFileA=%s\n", win32_fname);
bfd->fh = p_CreateFileA(win32_fname,
dwaccess, /* Requested access */
0, /* Shared mode */
} 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;
+ dwflags = FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT;
} else {
dwaccess = GENERIC_WRITE;
dwflags = 0;
}
- // unicode or ascii open for open existing write
if (p_CreateFileW && p_MultiByteToWideChar) {
+ // unicode open for open existing write
+ Dmsg1(100, "Write only CreateFileW=%s\n", win32_fname);
bfd->fh = p_CreateFileW((LPCWSTR)win32_fname_wchar,
dwaccess, /* Requested access */
0, /* Shared mode */
dwflags, /* Flags and attributes */
NULL); /* TemplateFile */
} else {
+ // ascii open
+ Dmsg1(100, "Write only CreateFileA=%s\n", win32_fname);
bfd->fh = p_CreateFileA(win32_fname,
dwaccess, /* Requested access */
0, /* Shared mode */
} else { /* Read */
if (bfd->use_backup_api) {
dwaccess = GENERIC_READ|READ_CONTROL|ACCESS_SYSTEM_SECURITY;
- dwflags = FILE_FLAG_BACKUP_SEMANTICS;
+ dwflags = FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_SEQUENTIAL_SCAN |
+ FILE_FLAG_OPEN_REPARSE_POINT;
dwshare = FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE;
} else {
dwaccess = GENERIC_READ;
dwshare = FILE_SHARE_READ|FILE_SHARE_WRITE;
}
- // unicode or ascii open for open existing read
if (p_CreateFileW && p_MultiByteToWideChar) {
+ // unicode open for open existing read
+ Dmsg1(100, "Read CreateFileW=%s\n", win32_fname);
bfd->fh = p_CreateFileW((LPCWSTR)win32_fname_wchar,
dwaccess, /* Requested access */
dwshare, /* Share modes */
dwflags, /* Flags and attributes */
NULL); /* TemplateFile */
} else {
+ // ascii open
+ Dmsg1(100, "Read CreateFileA=%s\n", win32_fname);
bfd->fh = p_CreateFileA(win32_fname,
dwaccess, /* Requested access */
dwshare, /* Share modes */
{
int stat = 0;
- if (bfd->errmsg) {
- free_pool_memory(bfd->errmsg);
- bfd->errmsg = NULL;
- }
if (bfd->mode == BF_CLOSED) {
+ Dmsg0(50, "=== BFD already closed.\n");
return 0;
}
+
+ if (bfd->cmd_plugin && plugin_bclose) {
+ stat = plugin_bclose(bfd);
+ Dmsg0(50, "==== BFD closed!!!\n");
+ goto all_done;
+ }
+
+ /*
+ * We need to tell the API to release the buffer it
+ * allocated in lpContext. We do so by calling the
+ * API one more time, but with the Abort bit set.
+ */
if (bfd->use_backup_api && bfd->mode == BF_READ) {
BYTE buf[10];
- if (!bfd->lpContext && !p_BackupRead(bfd->fh,
+ if (bfd->lpContext && !p_BackupRead(bfd->fh,
buf, /* buffer */
(DWORD)0, /* bytes to read */
&bfd->rw_bytes, /* bytes read */
}
} else if (bfd->use_backup_api && bfd->mode == BF_WRITE) {
BYTE buf[10];
- if (!bfd->lpContext && !p_BackupWrite(bfd->fh,
+ if (bfd->lpContext && !p_BackupWrite(bfd->fh,
buf, /* buffer */
(DWORD)0, /* bytes to read */
&bfd->rw_bytes, /* bytes written */
stat = -1;
errno = b_errno_win32;
}
+
+all_done:
+ if (bfd->errmsg) {
+ free_pool_memory(bfd->errmsg);
+ bfd->errmsg = NULL;
+ }
bfd->mode = BF_CLOSED;
bfd->lpContext = NULL;
+ bfd->cmd_plugin = false;
return stat;
}
{
bfd->rw_bytes = 0;
+ if (bfd->cmd_plugin && plugin_bread) {
+ return plugin_bread(bfd, buf, count);
+ }
+
if (bfd->use_backup_api) {
if (!p_BackupRead(bfd->fh,
(BYTE *)buf,
{
bfd->rw_bytes = 0;
+ if (bfd->cmd_plugin && plugin_bwrite) {
+ return plugin_bwrite(bfd, buf, count);
+ }
+
if (bfd->use_backup_api) {
if (!p_BackupWrite(bfd->fh,
(BYTE *)buf,
LONG offset_high = (LONG)(offset >> 32);
DWORD dwResult;
+ if (bfd->cmd_plugin && plugin_blseek) {
+ return plugin_blseek(bfd, offset, whence);
+ }
+
dwResult = SetFilePointer(bfd->fh, offset_low, &offset_high, whence);
if (dwResult == INVALID_SET_FILE_POINTER && GetLastError() != NO_ERROR) {
bool set_prog(BFILE *bfd, char *prog, JCR *jcr)
{
-#ifdef HAVE_PYTHON
- if (bfd->prog && strcmp(prog, bfd->prog) == 0) {
- return true; /* already setup */
- }
-
- if (python_set_prog(jcr, prog)) {
- Dmsg1(000, "Set prog=%s\n", prog);
- bfd->prog = prog;
- bfd->jcr = jcr;
- return true;
- }
-#endif
- Dmsg0(000, "No prog set\n");
- bfd->prog = NULL;
return false;
+}
+bool set_cmd_plugin(BFILE *bfd, JCR *jcr)
+{
+ bfd->cmd_plugin = true;
+ bfd->jcr = jcr;
+ return true;
}
/*
int bopen(BFILE *bfd, const char *fname, int flags, mode_t mode)
{
- /* Open reader/writer program */
- if (bfd->prog) {
- Dmsg1(000, "Open file %d\n", bfd->fid);
- return python_open(bfd, fname, flags, mode);
+ if (bfd->cmd_plugin && plugin_bopen) {
+ Dmsg1(50, "call plugin_bopen fname=%s\n", fname);
+ bfd->fid = plugin_bopen(bfd, fname, flags, mode);
+ Dmsg1(50, "Plugin bopen stat=%d\n", bfd->fid);
+ return bfd->fid;
}
/* Normal file open */
- Dmsg1(400, "open file %s\n", fname);
+ Dmsg1(dbglvl, "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);
free_pool_memory(rsrc_fname);
return bfd->fid;
}
+#else
+int bopen_rsrc(BFILE *bfd, const char *fname, int flags, mode_t mode)
+{
+ return -1;
+}
#endif
Dmsg1(400, "Close file %d\n", bfd->fid);
- /* Close reader/writer program */
- if (bfd->prog) {
- return python_close(bfd);
+ if (bfd->cmd_plugin && plugin_bclose) {
+ stat = plugin_bclose(bfd);
+ bfd->fid = -1;
+ bfd->cmd_plugin = false;
}
if (bfd->fid == -1) {
stat = close(bfd->fid);
bfd->berrno = errno;
bfd->fid = -1;
+ bfd->cmd_plugin = false;
return stat;
}
{
ssize_t stat;
- if (bfd->prog) {
- return python_read(bfd, buf, count);
+ if (bfd->cmd_plugin && plugin_bread) {
+ return plugin_bread(bfd, buf, count);
}
+
stat = read(bfd->fid, buf, count);
bfd->berrno = errno;
return stat;
{
ssize_t stat;
- if (bfd->prog) {
- return python_write(bfd, buf, count);
+ if (bfd->cmd_plugin && plugin_bwrite) {
+ return plugin_bwrite(bfd, buf, count);
}
stat = write(bfd->fid, buf, count);
bfd->berrno = errno;
boffset_t blseek(BFILE *bfd, boffset_t offset, int whence)
{
- boffset_t pos;
- pos = (boffset_t)lseek(bfd->fid, (off_t)offset, whence);
- bfd->berrno = errno;
- return pos;
+ boffset_t pos;
+
+ if (bfd->cmd_plugin && plugin_bwrite) {
+ return plugin_blseek(bfd, offset, whence);
+ }
+ pos = (boffset_t)lseek(bfd->fid, offset, whence);
+ bfd->berrno = errno;
+ return pos;
}
#endif
projects / bacula / bacula / blobdiff