+/*
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2002-2009 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
+ License as published by the Free Software Foundation and included
+ 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 Kern Sibbald.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
/*
* Encode and decode standard Unix attributes and
* Extended attributes for Win32 and
* Version $Id$
*
*/
-/*
- Copyright (C) 2002-2004 Kern Sibbald and John Walker
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
-
- 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., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
-
- */
#include "bacula.h"
#include "find.h"
-#if defined(HAVE_CYGWIN) || defined(HAVE_WIN32)
+static uid_t my_uid = 1;
+static gid_t my_gid = 1;
+static bool uid_set = false;
+
+#if defined(HAVE_WIN32)
/* Forward referenced subroutines */
static bool set_win32_attributes(JCR *jcr, ATTR *attr, BFILE *ofd);
void unix_name_to_win32(POOLMEM **win32_name, char *name);
void win_error(JCR *jcr, char *prefix, POOLMEM *ofile);
HANDLE bget_handle(BFILE *bfd);
-#endif
+#endif /* HAVE_WIN32 */
/* For old systems that don't have lchown() use chown() */
#ifndef HAVE_LCHOWN
#endif
/*=============================================================*/
-/* */
-/* *** A l l S y s t e m s *** */
-/* */
+/* */
+/* *** A l l S y s t e m s *** */
+/* */
/*=============================================================*/
/*
{
int stream;
+ /*
+ * Fix all incompatible options
+ */
+
+ /* No sparse option for encrypted data */
+ if (ff_pkt->flags & FO_ENCRYPT) {
+ ff_pkt->flags &= ~FO_SPARSE;
+ }
+
/* Note, no sparse option for win32_data */
if (!is_portable_backup(&ff_pkt->bfd)) {
stream = STREAM_WIN32_DATA;
} else {
stream = STREAM_FILE_DATA;
}
+
+ /* Encryption is only supported for file data */
+ if (stream != STREAM_FILE_DATA && stream != STREAM_WIN32_DATA &&
+ stream != STREAM_MACOS_FORK_DATA) {
+ ff_pkt->flags &= ~FO_ENCRYPT;
+ }
+
+ /* Compression is not supported for Mac fork data */
+ if (stream == STREAM_MACOS_FORK_DATA) {
+ ff_pkt->flags &= ~FO_GZIP;
+ }
+
+ /*
+ * Handle compression and encryption options
+ */
#ifdef HAVE_LIBZ
if (ff_pkt->flags & FO_GZIP) {
- if (stream == STREAM_WIN32_DATA) {
- stream = STREAM_WIN32_GZIP_DATA;
- } else if (stream == STREAM_FILE_DATA) {
- stream = STREAM_GZIP_DATA;
- } else {
- stream = STREAM_SPARSE_GZIP_DATA;
+ switch (stream) {
+ case STREAM_WIN32_DATA:
+ stream = STREAM_WIN32_GZIP_DATA;
+ break;
+ case STREAM_SPARSE_DATA:
+ stream = STREAM_SPARSE_GZIP_DATA;
+ break;
+ case STREAM_FILE_DATA:
+ stream = STREAM_GZIP_DATA;
+ break;
+ default:
+ /* All stream types that do not support gzip should clear out
+ * FO_GZIP above, and this code block should be unreachable. */
+ ASSERT(!(ff_pkt->flags & FO_GZIP));
+ return STREAM_NONE;
}
}
#endif
+#ifdef HAVE_CRYPTO
+ if (ff_pkt->flags & FO_ENCRYPT) {
+ switch (stream) {
+ case STREAM_WIN32_DATA:
+ stream = STREAM_ENCRYPTED_WIN32_DATA;
+ break;
+ case STREAM_WIN32_GZIP_DATA:
+ stream = STREAM_ENCRYPTED_WIN32_GZIP_DATA;
+ break;
+ case STREAM_FILE_DATA:
+ stream = STREAM_ENCRYPTED_FILE_DATA;
+ break;
+ case STREAM_GZIP_DATA:
+ stream = STREAM_ENCRYPTED_FILE_GZIP_DATA;
+ break;
+ default:
+ /* All stream types that do not support encryption should clear out
+ * FO_ENCRYPT above, and this code block should be unreachable. */
+ ASSERT(!(ff_pkt->flags & FO_ENCRYPT));
+ return STREAM_NONE;
+ }
+ }
+#endif
+
return stream;
}
* them in the encode_attribsEx() subroutine, but this is
* not recommended.
*/
-void encode_stat(char *buf, FF_PKT *ff_pkt, int data_stream)
+void encode_stat(char *buf, struct stat *statp, int32_t LinkFI, int data_stream)
{
char *p = buf;
- struct stat *statp = &ff_pkt->statp;
+
/*
* Encode a stat packet. I should have done this more intelligently
- * with a length so that it could be easily expanded.
+ * with a length so that it could be easily expanded.
*/
p += to_base64((int64_t)statp->st_dev, p);
*p++ = ' '; /* separate fields with a space */
*p++ = ' ';
p += to_base64((int64_t)statp->st_ctime, p);
*p++ = ' ';
- p += to_base64((int64_t)ff_pkt->LinkFI, p);
+ p += to_base64((int64_t)LinkFI, p);
*p++ = ' ';
#ifdef HAVE_CHFLAGS
/* Do casting according to unknown type to keep compiler happy */
-#if !HAVE_GCC & HAVE_SUN_OS
-#define plug(st, val) st = val /* brain damaged compiler */
+#ifdef HAVE_TYPEOF
+ #define plug(st, val) st = (typeof st)val
#else
-template <class T> void plug(T &st, uint64_t val)
- { st = static_cast<T>(val); }
+ #if !HAVE_GCC & HAVE_SUN_OS
+ /* Sun compiler does not handle templates correctly */
+ #define plug(st, val) st = val
+ #elif __sgi
+ #define plug(st, val) st = val
+ #else
+ /* Use templates to do the casting */
+ template <class T> void plug(T &st, uint64_t val)
+ { st = static_cast<T>(val); }
+ #endif
#endif
char *p = buf;
int64_t val;
- skip_nonspaces(&p); /* st_dev */
- p++; /* skip space */
- skip_nonspaces(&p); /* st_ino */
+ skip_nonspaces(&p); /* st_dev */
+ p++; /* skip space */
+ skip_nonspaces(&p); /* st_ino */
p++;
p += from_base64(&val, p);
- plug(statp->st_mode, val); /* st_mode */
+ plug(statp->st_mode, val); /* st_mode */
p++;
- skip_nonspaces(&p); /* st_nlink */
+ skip_nonspaces(&p); /* st_nlink */
p++;
- skip_nonspaces(&p); /* st_uid */
+ skip_nonspaces(&p); /* st_uid */
p++;
- skip_nonspaces(&p); /* st_gid */
+ skip_nonspaces(&p); /* st_gid */
p++;
- skip_nonspaces(&p); /* st_rdev */
+ skip_nonspaces(&p); /* st_rdev */
p++;
- skip_nonspaces(&p); /* st_size */
+ skip_nonspaces(&p); /* st_size */
p++;
- skip_nonspaces(&p); /* st_blksize */
+ skip_nonspaces(&p); /* st_blksize */
p++;
- skip_nonspaces(&p); /* st_blocks */
+ skip_nonspaces(&p); /* st_blocks */
p++;
- skip_nonspaces(&p); /* st_atime */
+ skip_nonspaces(&p); /* st_atime */
p++;
- skip_nonspaces(&p); /* st_mtime */
+ skip_nonspaces(&p); /* st_mtime */
p++;
- skip_nonspaces(&p); /* st_ctime */
+ skip_nonspaces(&p); /* st_ctime */
/* Optional FileIndex of hard linked file data */
if (*p == ' ' || (*p != 0 && *(p+1) == ' ')) {
* ofile is the output filename (may be in a different directory)
*
* Returns: true on success
- * false on failure
+ * false on failure
*/
bool set_attributes(JCR *jcr, ATTR *attr, BFILE *ofd)
{
struct utimbuf ut;
mode_t old_mask;
bool ok = true;
- off_t fsize;
+ boffset_t fsize;
+
+ if (uid_set) {
+ my_uid = getuid();
+ my_gid = getgid();
+ uid_set = true;
+ }
-#if defined(HAVE_CYGWIN) || defined(HAVE_WIN32)
+#if defined(HAVE_WIN32)
if (attr->stream == STREAM_UNIX_ATTRIBUTES_EX &&
set_win32_attributes(jcr, attr, ofd)) {
if (is_bopen(ofd)) {
- bclose(ofd);
+ bclose(ofd);
}
pm_strcpy(attr->ofname, "*none*");
return true;
if (attr->data_stream == STREAM_WIN32_DATA ||
attr->data_stream == STREAM_WIN32_GZIP_DATA) {
if (is_bopen(ofd)) {
- bclose(ofd);
+ bclose(ofd);
}
pm_strcpy(attr->ofname, "*none*");
return true;
old_mask = umask(0);
if (is_bopen(ofd)) {
char ec1[50], ec2[50];
- fsize = blseek(ofd, 0, SEEK_CUR);
- bclose(ofd); /* first close file */
- if (fsize > 0 && fsize != attr->statp.st_size) {
+ fsize = blseek(ofd, 0, SEEK_END);
+ bclose(ofd); /* first close file */
+ if (attr->type == FT_REG && fsize > 0 && attr->statp.st_size > 0 &&
+ fsize != (boffset_t)attr->statp.st_size) {
Jmsg3(jcr, M_ERROR, 0, _("File size of restored file %s not correct. Original %s, restored %s.\n"),
- attr->ofname, edit_uint64(attr->statp.st_size, ec1),
- edit_uint64(fsize, ec2));
+ attr->ofname, edit_uint64(attr->statp.st_size, ec1),
+ edit_uint64(fsize, ec2));
}
}
+ /*
+ * We do not restore sockets, so skip trying to restore their
+ * attributes.
+ */
+ if (attr->type == FT_SPEC && S_ISSOCK(attr->statp.st_mode)) {
+ goto bail_out;
+ }
+
ut.actime = attr->statp.st_atime;
ut.modtime = attr->statp.st_mtime;
/* ***FIXME**** optimize -- don't do if already correct */
/*
* For link, change owner of link using lchown, but don't
- * try to do a chmod as that will update the file behind it.
+ * try to do a chmod as that will update the file behind it.
*/
if (attr->type == FT_LNK) {
/* Change owner of link, not of real file */
- if (lchown(attr->ofname, attr->statp.st_uid, attr->statp.st_gid) < 0) {
- berrno be;
+ if (lchown(attr->ofname, attr->statp.st_uid, attr->statp.st_gid) < 0 && my_uid == 0) {
+ berrno be;
Jmsg2(jcr, M_ERROR, 0, _("Unable to set file owner %s: ERR=%s\n"),
- attr->ofname, be.strerror());
- ok = false;
+ attr->ofname, be.bstrerror());
+ ok = false;
}
} else {
- if (chown(attr->ofname, attr->statp.st_uid, attr->statp.st_gid) < 0) {
- berrno be;
+ if (chown(attr->ofname, attr->statp.st_uid, attr->statp.st_gid) < 0 && my_uid == 0) {
+ berrno be;
Jmsg2(jcr, M_ERROR, 0, _("Unable to set file owner %s: ERR=%s\n"),
- attr->ofname, be.strerror());
- ok = false;
+ attr->ofname, be.bstrerror());
+ ok = false;
}
- if (chmod(attr->ofname, attr->statp.st_mode) < 0) {
- berrno be;
+ if (chmod(attr->ofname, attr->statp.st_mode) < 0 && my_uid == 0) {
+ berrno be;
Jmsg2(jcr, M_ERROR, 0, _("Unable to set file modes %s: ERR=%s\n"),
- attr->ofname, be.strerror());
- ok = false;
+ attr->ofname, be.bstrerror());
+ ok = false;
}
/*
* Reset file times.
*/
- if (utime(attr->ofname, &ut) < 0) {
- berrno be;
+ if (utime(attr->ofname, &ut) < 0 && my_uid == 0) {
+ berrno be;
Jmsg2(jcr, M_ERROR, 0, _("Unable to set file times %s: ERR=%s\n"),
- attr->ofname, be.strerror());
- ok = false;
+ attr->ofname, be.bstrerror());
+ ok = false;
}
#ifdef HAVE_CHFLAGS
/*
* but if the immutable bit is set, it will make the utimes()
* fail.
*/
- if (chflags(attr->ofname, attr->statp.st_flags) < 0) {
- berrno be;
+ if (chflags(attr->ofname, attr->statp.st_flags) < 0 && my_uid == 0) {
+ berrno be;
Jmsg2(jcr, M_ERROR, 0, _("Unable to set file flags %s: ERR=%s\n"),
- attr->ofname, be.strerror());
- ok = false;
+ attr->ofname, be.bstrerror());
+ ok = false;
}
#endif
}
+
+bail_out:
pm_strcpy(attr->ofname, "*none*");
umask(old_mask);
return ok;
/*=============================================================*/
-/* */
-/* * * * U n i x * * * * */
-/* */
+/* */
+/* * * * U n i x * * * * */
+/* */
/*=============================================================*/
-#if !defined(HAVE_CYGWIN) && !defined(HAVE_WIN32)
+#if !defined(HAVE_WIN32)
/*
* It is possible to piggyback additional data e.g. ACLs on
* here. They must be "self-contained" (i.e. you keep track
* of your own length), and they must be in ASCII string
* format. Using this feature is not recommended.
- * The code below shows how to return nothing. See the Win32
+ * The code below shows how to return nothing. See the Win32
* code below for returning something in the attributes.
*/
int encode_attribsEx(JCR *jcr, char *attribsEx, FF_PKT *ff_pkt)
* restore, we can be sure we put back the whole resource.
*/
char *p;
+
+ *attribsEx = 0; /* no extended attributes (yet) */
+ if (jcr->cmd_plugin || ff_pkt->type == FT_DELETED) {
+ return STREAM_UNIX_ATTRIBUTES;
+ }
p = attribsEx;
if (ff_pkt->flags & FO_HFSPLUS) {
p += to_base64((uint64_t)(ff_pkt->hfsinfo.rsrclength), p);
}
*p = 0;
#else
- *attribsEx = 0; /* no extended attributes */
+ *attribsEx = 0; /* no extended attributes */
#endif
return STREAM_UNIX_ATTRIBUTES;
}
/*=============================================================*/
-/* */
-/* * * * W i n 3 2 * * * * */
-/* */
+/* */
+/* * * * W i n 3 2 * * * * */
+/* */
/*=============================================================*/
-#if defined(HAVE_CYGWIN) || defined(HAVE_WIN32)
+#if defined(HAVE_WIN32)
int encode_attribsEx(JCR *jcr, char *attribsEx, FF_PKT *ff_pkt)
{
WIN32_FILE_ATTRIBUTE_DATA atts;
ULARGE_INTEGER li;
- attribsEx[0] = 0; /* no extended attributes */
+ attribsEx[0] = 0; /* no extended attributes */
- if (!p_GetFileAttributesEx) {
+ if (jcr->cmd_plugin || ff_pkt->type == FT_DELETED) {
return STREAM_UNIX_ATTRIBUTES;
}
unix_name_to_win32(&ff_pkt->sys_fname, ff_pkt->fname);
- if (!p_GetFileAttributesEx(ff_pkt->sys_fname, GetFileExInfoStandard,
- (LPVOID)&atts)) {
- win_error(jcr, "GetFileAttributesEx:", ff_pkt->sys_fname);
- return STREAM_UNIX_ATTRIBUTES;
+
+ // try unicode version
+ if (p_GetFileAttributesExW) {
+ POOLMEM* pwszBuf = get_pool_memory(PM_FNAME);
+ make_win32_path_UTF8_2_wchar(&pwszBuf, ff_pkt->fname);
+
+ BOOL b=p_GetFileAttributesExW((LPCWSTR)pwszBuf, GetFileExInfoStandard,
+ (LPVOID)&atts);
+ free_pool_memory(pwszBuf);
+
+ if (!b) {
+ win_error(jcr, "GetFileAttributesExW:", ff_pkt->sys_fname);
+ return STREAM_UNIX_ATTRIBUTES;
+ }
+ }
+ else {
+ if (!p_GetFileAttributesExA)
+ return STREAM_UNIX_ATTRIBUTES;
+
+ if (!p_GetFileAttributesExA(ff_pkt->sys_fname, GetFileExInfoStandard,
+ (LPVOID)&atts)) {
+ win_error(jcr, "GetFileAttributesExA:", ff_pkt->sys_fname);
+ return STREAM_UNIX_ATTRIBUTES;
+ }
}
p += to_base64((uint64_t)atts.dwFileAttributes, p);
FILE_ATTRIBUTE_OFFLINE| \
FILE_ATTRIBUTE_READONLY| \
FILE_ATTRIBUTE_SYSTEM| \
- FILE_ATTRIBUTE_TEMPORARY)
+ FILE_ATTRIBUTE_TEMPORARY)
/*
* ofile is the output filename (may be in a different directory)
*
* Returns: true on success
- * false on failure
+ * false on failure
*/
static bool set_win32_attributes(JCR *jcr, ATTR *attr, BFILE *ofd)
{
ULARGE_INTEGER li;
POOLMEM *win32_ofile;
- if (!p_GetFileAttributesEx) {
+ // if we have neither ansi nor wchar version, we leave
+ if (!(p_SetFileAttributesW || p_SetFileAttributesA)) {
return false;
}
- if (!p || !*p) { /* we should have attributes */
+ if (!p || !*p) { /* we should have attributes */
Dmsg2(100, "Attributes missing. of=%s ofd=%d\n", attr->ofname, ofd->fid);
if (is_bopen(ofd)) {
- bclose(ofd);
+ bclose(ofd);
}
return false;
} else {
p += from_base64(&val, p);
plug(atts.dwFileAttributes, val);
- p++; /* skip space */
+ p++; /* skip space */
p += from_base64(&val, p);
li.QuadPart = val;
atts.ftCreationTime.dwLowDateTime = li.LowPart;
atts.ftCreationTime.dwHighDateTime = li.HighPart;
- p++; /* skip space */
+ p++; /* skip space */
p += from_base64(&val, p);
li.QuadPart = val;
atts.ftLastAccessTime.dwLowDateTime = li.LowPart;
atts.ftLastAccessTime.dwHighDateTime = li.HighPart;
- p++; /* skip space */
+ p++; /* skip space */
p += from_base64(&val, p);
li.QuadPart = val;
atts.ftLastWriteTime.dwLowDateTime = li.LowPart;
win32_ofile = get_pool_memory(PM_FNAME);
unix_name_to_win32(&win32_ofile, attr->ofname);
-
-
/* At this point, we have reconstructed the WIN32_FILE_ATTRIBUTE_DATA pkt */
if (!is_bopen(ofd)) {
Dmsg1(100, "File not open: %s\n", attr->ofname);
- bopen(ofd, attr->ofname, O_WRONLY|O_BINARY, 0); /* attempt to open the file */
+ bopen(ofd, attr->ofname, O_WRONLY|O_BINARY, 0); /* attempt to open the file */
}
if (is_bopen(ofd)) {
Dmsg1(100, "SetFileTime %s\n", attr->ofname);
if (!SetFileTime(bget_handle(ofd),
- &atts.ftCreationTime,
- &atts.ftLastAccessTime,
- &atts.ftLastWriteTime)) {
+ &atts.ftCreationTime,
+ &atts.ftLastAccessTime,
+ &atts.ftLastWriteTime)) {
win_error(jcr, "SetFileTime:", win32_ofile);
}
bclose(ofd);
Dmsg1(100, "SetFileAtts %s\n", attr->ofname);
if (!(atts.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
- if (!SetFileAttributes(win32_ofile, atts.dwFileAttributes & SET_ATTRS)) {
- win_error(jcr, "SetFileAttributes:", win32_ofile);
+ if (p_SetFileAttributesW) {
+ POOLMEM* pwszBuf = get_pool_memory(PM_FNAME);
+ make_win32_path_UTF8_2_wchar(&pwszBuf, attr->ofname);
+
+ BOOL b=p_SetFileAttributesW((LPCWSTR)pwszBuf, atts.dwFileAttributes & SET_ATTRS);
+ free_pool_memory(pwszBuf);
+
+ if (!b)
+ win_error(jcr, "SetFileAttributesW:", win32_ofile);
+ }
+ else {
+ if (!p_SetFileAttributesA(win32_ofile, atts.dwFileAttributes & SET_ATTRS)) {
+ win_error(jcr, "SetFileAttributesA:", win32_ofile);
+ }
}
}
free_pool_memory(win32_ofile);
DWORD lerror = GetLastError();
LPTSTR msg;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|
- FORMAT_MESSAGE_FROM_SYSTEM,
- NULL,
- lerror,
- 0,
- (LPTSTR)&msg,
- 0,
- NULL);
+ FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL,
+ lerror,
+ 0,
+ (LPTSTR)&msg,
+ 0,
+ NULL);
Dmsg3(100, "Error in %s on file %s: ERR=%s\n", prefix, win32_ofile, msg);
strip_trailing_junk(msg);
- Jmsg(jcr, M_ERROR, 0, _("Error in %s file %s: ERR=%s\n"), prefix, win32_ofile, msg);
+ Jmsg3(jcr, M_ERROR, 0, _("Error in %s file %s: ERR=%s\n"), prefix, win32_ofile, msg);
LocalFree(msg);
}
{
LPTSTR msg;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|
- FORMAT_MESSAGE_FROM_SYSTEM,
- NULL,
- lerror,
- 0,
- (LPTSTR)&msg,
- 0,
- NULL);
+ FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL,
+ lerror,
+ 0,
+ (LPTSTR)&msg,
+ 0,
+ NULL);
strip_trailing_junk(msg);
if (jcr) {
Jmsg2(jcr, M_ERROR, 0, _("Error in %s: ERR=%s\n"), prefix, msg);
}
LocalFree(msg);
}
-
-
-/* Cygwin API definition */
-extern "C" void cygwin_conv_to_win32_path(const char *path, char *win32_path);
-
-void unix_name_to_win32(POOLMEM **win32_name, char *name)
-{
- /* One extra byte should suffice, but we double it */
- *win32_name = check_pool_memory_size(*win32_name, 2*strlen(name)+1);
- cygwin_conv_to_win32_path(name, *win32_name);
-}
-
-#endif /* HAVE_CYGWIN */
+#endif /* HAVE_WIN32 */