/*
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2002-2010 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 three of the GNU Affero 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 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 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
* other non-Unix systems, or Unix systems with ACLs, ...
*
* Kern Sibbald, October MMII
*
- * Version $Id$
- *
- */
-/*
- Copyright (C) 2000-2005 Kern Sibbald
-
- 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.
-
- 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.
-
*/
#include "bacula.h"
#include "find.h"
-#if defined(HAVE_CYGWIN) || defined(HAVE_WIN32)
-
-#include "../lib/winapi.h"
+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);
+void win_error(JCR *jcr, const 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
/* */
/*=============================================================*/
-/*
+/**
* Return the data stream that will be used
*/
int select_data_stream(FF_PKT *ff_pkt)
{
int stream;
- /*
+ /* This is a plugin special restore object */
+ if (ff_pkt->type == FT_RESTORE_FIRST) {
+ ff_pkt->flags = 0;
+ return STREAM_FILE_DATA;
+ }
+
+ /**
* Fix all incompatible options
*/
-
- /* No sparse option for encrypted data */
+ /** No sparse option for encrypted data */
if (ff_pkt->flags & FO_ENCRYPT) {
ff_pkt->flags &= ~FO_SPARSE;
}
- /* Note, no sparse option for win32_data */
+ /** Note, no sparse option for win32_data */
if (!is_portable_backup(&ff_pkt->bfd)) {
stream = STREAM_WIN32_DATA;
ff_pkt->flags &= ~FO_SPARSE;
stream = STREAM_FILE_DATA;
}
- /* Encryption is only supported for 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 */
+ /** 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
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. */
+ /**
+ * 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;
}
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);
+ ASSERT(!(ff_pkt->flags & FO_ENCRYPT));
return STREAM_NONE;
}
}
}
-/*
+/**
* Encode a stat structure into a base64 character string
* All systems must create such a structure.
* In addition, we tack on the LinkFI, which is non-zero in
* 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.
*/
*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
#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)
#endif
#endif
-/* Decode a stat packet from base64 characters */
+
+/** Decode a stat packet from base64 characters */
int decode_stat(char *buf, struct stat *statp, int32_t *LinkFI)
{
char *p = buf;
return (int)val;
}
-/* Decode a LinkFI field of encoded stat packet */
+/** Decode a LinkFI field of encoded stat packet */
int32_t decode_LinkFI(char *buf, struct stat *statp)
{
char *p = buf;
return 0;
}
-/*
+/**
* Set file modes, permissions and times
*
* fname is the original filename
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)) {
}
- /*
+ /**
* If Windows stuff failed, e.g. attempt to restore Unix file
* to Windows, simply fall through and we will do it the
* universal way.
char ec1[50], ec2[50];
fsize = blseek(ofd, 0, SEEK_END);
bclose(ofd); /* first close file */
- if (fsize > 0 && fsize != (off_t)attr->statp.st_size) {
+ 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));
}
}
+ /**
+ * 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.
*/
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) {
+ /** Change owner of link, not of real file */
+ 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());
+ attr->ofname, be.bstrerror());
ok = false;
}
} else {
- if (chown(attr->ofname, attr->statp.st_uid, attr->statp.st_gid) < 0) {
+ 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());
+ attr->ofname, be.bstrerror());
ok = false;
}
- if (chmod(attr->ofname, attr->statp.st_mode) < 0) {
+ 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());
+ attr->ofname, be.bstrerror());
ok = false;
}
- /*
+ /**
* Reset file times.
*/
- if (utime(attr->ofname, &ut) < 0) {
+ 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());
+ attr->ofname, be.bstrerror());
ok = false;
}
#ifdef HAVE_CHFLAGS
- /*
+ /**
* FreeBSD user flags
*
* Note, this should really be done before the utime() above,
* but if the immutable bit is set, it will make the utimes()
* fail.
*/
- if (chflags(attr->ofname, attr->statp.st_flags) < 0) {
+ 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());
+ attr->ofname, be.bstrerror());
ok = false;
}
#endif
}
+
+bail_out:
pm_strcpy(attr->ofname, "*none*");
umask(old_mask);
return ok;
/* */
/*=============================================================*/
-#if !defined(HAVE_CYGWIN) && !defined(HAVE_WIN32)
+#if !defined(HAVE_WIN32)
-/*
+/**
* It is possible to piggyback additional data e.g. ACLs on
* the encode_stat() data by returning the extended attributes
* here. They must be "self-contained" (i.e. you keep track
int encode_attribsEx(JCR *jcr, char *attribsEx, FF_PKT *ff_pkt)
{
#ifdef HAVE_DARWIN_OS
- /*
+ /**
* We save the Mac resource fork length so that on a
* 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);
/* */
/*=============================================================*/
-#if defined(HAVE_CYGWIN) || defined(HAVE_WIN32)
+#if defined(HAVE_WIN32)
int encode_attribsEx(JCR *jcr, char *attribsEx, FF_PKT *ff_pkt)
{
attribsEx[0] = 0; /* no extended attributes */
+ if (jcr->cmd_plugin || ff_pkt->type == FT_DELETED) {
+ return STREAM_UNIX_ATTRIBUTES;
+ }
+
unix_name_to_win32(&ff_pkt->sys_fname, ff_pkt->fname);
- // try unicode version
+ /** try unicode version */
if (p_GetFileAttributesExW) {
- POOLMEM* pwszBuf = get_pool_memory (PM_FNAME);
+ 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);
+ BOOL b=p_GetFileAttributesExW((LPCWSTR)pwszBuf, GetFileExInfoStandard,
+ (LPVOID)&atts);
free_pool_memory(pwszBuf);
if (!b) {
return STREAM_UNIX_ATTRIBUTES_EX;
}
-/* Define attributes that are legal to set with SetFileAttributes() */
+/** Define attributes that are legal to set with SetFileAttributes() */
#define SET_ATTRS ( \
FILE_ATTRIBUTE_ARCHIVE| \
FILE_ATTRIBUTE_HIDDEN| \
FILE_ATTRIBUTE_TEMPORARY)
-/*
+/**
* Set Extended File Attributes for Win32
*
* fname is the original filename
ULARGE_INTEGER li;
POOLMEM *win32_ofile;
- // if we have neither ansi nor wchar version, we leave
- if (!(p_SetFileAttributesW || p_SetFileAttributesA))
+ /** if we have neither Win ansi nor wchar API, get out */
+ if (!(p_SetFileAttributesW || p_SetFileAttributesA)) {
return false;
+ }
if (!p || !*p) { /* we should have attributes */
Dmsg2(100, "Attributes missing. of=%s ofd=%d\n", attr->ofname, ofd->fid);
p += from_base64(&val, p);
plug(atts.nFileSizeLow, val);
- /* Convert to Windows path format */
+ /** Convert to Windows path format */
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 */
+ /** 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);
}
Dmsg1(100, "SetFileAtts %s\n", attr->ofname);
- if (!(atts.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
- {
+ if (!(atts.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
if (p_SetFileAttributesW) {
- POOLMEM* pwszBuf = get_pool_memory (PM_FNAME);
+ 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);
return true;
}
-void win_error(JCR *jcr, char *prefix, POOLMEM *win32_ofile)
+void win_error(JCR *jcr, const char *prefix, POOLMEM *win32_ofile)
{
DWORD lerror = GetLastError();
LPTSTR msg;
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);
}
-void win_error(JCR *jcr, char *prefix, DWORD lerror)
+void win_error(JCR *jcr, const char *prefix, DWORD lerror)
{
LPTSTR msg;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|
}
LocalFree(msg);
}
-
-
-/* Conversion of a Unix filename to a Win32 filename */
-extern void conv_unix_to_win32_path(const char *path, char *win32_path, DWORD dwSize);
-void unix_name_to_win32(POOLMEM **win32_name, char *name)
-{
- /* One extra byte should suffice, but we double it */
- /* add MAX_PATH bytes for VSS shadow copy name */
- DWORD dwSize = 2*strlen(name)+MAX_PATH;
- *win32_name = check_pool_memory_size(*win32_name, dwSize);
- conv_unix_to_win32_path(name, *win32_name, dwSize);
-}
-
-#endif /* HAVE_CYGWIN */
+#endif /* HAVE_WIN32 */
projects / bacula / bacula / blobdiff