/*
- Bacula® - The Network Backup Solution
-
- Copyright (C) 2000-2009 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.
+ Bacula(R) - The Network Backup Solution
+
+ Copyright (C) 2000-2018 Kern Sibbald
+
+ The original author of Bacula is Kern Sibbald, with contributions
+ from many others, a complete list can be found in the file AUTHORS.
+
+ You may use this file and others of this release according to the
+ license defined in the LICENSE file, which includes the Affero General
+ Public License, v3.0 ("AGPLv3") and some additional permissions and
+ terms pursuant to its AGPLv3 Section 7.
+
+ This notice must be preserved when any source code is
+ conveyed and/or propagated.
+
+ Bacula(R) is a registered trademark of Kern Sibbald.
*/
/*
Thanks to the TAR programmers.
- Version $Id$
-
*/
#include "bacula.h"
dev_t dev; /* device */
ino_t ino; /* inode with device is unique */
uint32_t FileIndex; /* Bacula FileIndex of this file */
+ int32_t digest_stream; /* Digest type if needed */
+ uint32_t digest_len; /* Digest len if needed */
+ char *digest; /* Checksum of the file if needed */
char name[1]; /* The name */
};
/*
* Create a new directory Find File packet, but copy
* some of the essential info from the current packet.
- * However, be careful to zero out the rest of the
+ * However, be careful to zero out the rest of the
* packet.
*/
static FF_PKT *new_dir_ff_pkt(FF_PKT *ff_pkt)
dir_ff_pkt->fname = bstrdup(ff_pkt->fname);
dir_ff_pkt->link = bstrdup(ff_pkt->link);
dir_ff_pkt->sys_fname = get_pool_memory(PM_FNAME);
+
+ if (ff_pkt->strip_snap_path) {
+ dir_ff_pkt->fname_save = get_pool_memory(PM_FNAME);
+ dir_ff_pkt->link_save = get_pool_memory(PM_FNAME);
+ pm_strcpy(dir_ff_pkt->fname_save, ff_pkt->fname_save);
+ pm_strcpy(dir_ff_pkt->link_save, ff_pkt->link_save);
+
+ } else {
+ dir_ff_pkt->fname_save = NULL;
+ dir_ff_pkt->link_save = NULL;
+ }
+
dir_ff_pkt->included_files_list = NULL;
dir_ff_pkt->excluded_files_list = NULL;
dir_ff_pkt->excluded_paths_list = NULL;
dir_ff_pkt->linkhash = NULL;
- dir_ff_pkt->fname_save = NULL;
- dir_ff_pkt->link_save = NULL;
+ dir_ff_pkt->ignoredir_fname = NULL;
return dir_ff_pkt;
}
if (ff->fstypes.size()) {
accept = false;
- if (!fstype(ff->fname, fs, sizeof(fs))) {
+ if (!fstype(ff, fs, sizeof(fs))) {
Dmsg1(50, "Cannot determine file system type for \"%s\"\n", ff->fname);
} else {
for (i = 0; i < ff->fstypes.size(); ++i) {
if (lstat(ff_pkt->fname, &statp) != 0) {
berrno be;
- Jmsg(jcr, M_WARNING, 0,
+ Jmsg(jcr, M_WARNING, 0,
_("Cannot stat file %s: ERR=%s\n"),ff_pkt->fname,be.bstrerror());
return true;
}
if (statp.st_mtime != ff_pkt->statp.st_mtime) {
- /* TODO: add time of changes */
Jmsg(jcr, M_ERROR, 0, _("%s mtime changed during backup.\n"), ff_pkt->fname);
+ Dmsg3(50, "%s mtime (%lld) changed during backup (%lld).\n", ff_pkt->fname,
+ (int64_t)ff_pkt->statp.st_mtime, (int64_t)statp.st_mtime);
return true;
}
if (statp.st_ctime != ff_pkt->statp.st_ctime) {
- /* TODO: add time of changes */
Jmsg(jcr, M_ERROR, 0, _("%s ctime changed during backup.\n"), ff_pkt->fname);
- return true;
- }
-
- if (statp.st_size != ff_pkt->statp.st_size) {
- /* TODO: add size change */
- Jmsg(jcr, M_ERROR, 0, _("%s size changed during backup.\n"),ff_pkt->fname);
+ Dmsg3(50, "%s ctime (%lld) changed during backup (%lld).\n", ff_pkt->fname,
+ (int64_t)ff_pkt->statp.st_ctime, (int64_t)statp.st_ctime);
return true;
}
- if ((statp.st_blksize != ff_pkt->statp.st_blksize) ||
- (statp.st_blocks != ff_pkt->statp.st_blocks)) {
- /* TODO: add size change */
- Jmsg(jcr, M_ERROR, 0, _("%s size changed during backup.\n"),ff_pkt->fname);
+ if ((int64_t)statp.st_size != (int64_t)ff_pkt->statp.st_size) {
+ Jmsg(jcr, M_ERROR, 0, _("%s size of %lld changed during backup to %lld.n"),ff_pkt->fname,
+ (int64_t)ff_pkt->statp.st_size, (int64_t)statp.st_size);
+ Dmsg3(50, "%s size (%lld) changed during backup (%lld).\n", ff_pkt->fname,
+ (int64_t)ff_pkt->statp.st_size, (int64_t)statp.st_size);
return true;
}
* For incremental/diffential or accurate backups, we
* determine if the current file has changed.
*/
-static bool check_changes(JCR *jcr, FF_PKT *ff_pkt)
+bool check_changes(JCR *jcr, FF_PKT *ff_pkt)
{
- /* in special mode (like accurate backup), the programmer can
+ /* in special mode (like accurate backup), the programmer can
* choose his comparison function.
*/
if (ff_pkt->check_fct) {
if (ff_pkt->incremental &&
(ff_pkt->statp.st_mtime < ff_pkt->save_time &&
((ff_pkt->flags & FO_MTIMEONLY) ||
- ff_pkt->statp.st_ctime < ff_pkt->save_time)))
+ ff_pkt->statp.st_ctime < ff_pkt->save_time)))
{
return false;
- }
+ }
return true;
}
+static bool have_ignoredir(FF_PKT *ff_pkt)
+{
+ struct stat sb;
+ char *ignoredir;
+
+ /* Ensure that pointers are defined */
+ if (!ff_pkt->fileset || !ff_pkt->fileset->incexe) {
+ return false;
+ }
+ ignoredir = ff_pkt->fileset->incexe->ignoredir;
+
+ if (ignoredir) {
+ if (!ff_pkt->ignoredir_fname) {
+ ff_pkt->ignoredir_fname = get_pool_memory(PM_FNAME);
+ }
+ Mmsg(ff_pkt->ignoredir_fname, "%s/%s", ff_pkt->fname, ignoredir);
+ if (stat(ff_pkt->ignoredir_fname, &sb) == 0) {
+ Dmsg2(100, "Directory '%s' ignored (found %s)\n",
+ ff_pkt->fname, ignoredir);
+ return true; /* Just ignore this directory */
+ }
+ }
+ return false;
+}
+
+/*
+ * When the current file is a hardlink, the backup code can compute
+ * the checksum and store it into the link_t structure.
+ */
+void
+ff_pkt_set_link_digest(FF_PKT *ff_pkt,
+ int32_t digest_stream, const char *digest, uint32_t len)
+{
+ if (ff_pkt->linked && !ff_pkt->linked->digest) { /* is a hardlink */
+ ff_pkt->linked->digest = (char *) bmalloc(len);
+ memcpy(ff_pkt->linked->digest, digest, len);
+ ff_pkt->linked->digest_len = len;
+ ff_pkt->linked->digest_stream = digest_stream;
+ }
+}
+
/*
* Find a single file.
* handle_file is the callback for handling the file.
* descending into a directory.
*/
int
-find_one_file(JCR *jcr, FF_PKT *ff_pkt,
+find_one_file(JCR *jcr, FF_PKT *ff_pkt,
int handle_file(JCR *jcr, FF_PKT *ff, bool top_level),
char *fname, dev_t parent_device, bool top_level)
{
char fs[100];
- if (!fstype(ff_pkt->fname, fs, sizeof(fs))) {
+ if (!fstype(ff_pkt, fs, sizeof(fs))) {
bstrncpy(fs, "unknown", sizeof(fs));
}
* since our last "save_time", presumably the last Full save
* or Incremental.
*/
- if ( !S_ISDIR(ff_pkt->statp.st_mode)
- && !check_changes(jcr, ff_pkt))
+ if ( !S_ISDIR(ff_pkt->statp.st_mode)
+ && !check_changes(jcr, ff_pkt))
{
Dmsg1(500, "Non-directory incremental: %s\n", ff_pkt->fname);
ff_pkt->type = FT_NOCHG;
ff_pkt->ff_errno = errno;
return handle_file(jcr, ff_pkt, top_level);
}
+ return -1; /* ignore */
}
#endif
ff_pkt->type = FT_LNKSAVED; /* Handle link, file already saved */
ff_pkt->LinkFI = lp->FileIndex;
ff_pkt->linked = 0;
+ ff_pkt->digest = lp->digest;
+ ff_pkt->digest_stream = lp->digest_stream;
+ ff_pkt->digest_len = lp->digest_len;
rtn_stat = handle_file(jcr, ff_pkt, top_level);
- Dmsg3(400, "FT_LNKSAVED FI=%d LinkFI=%d file=%s\n",
+ Dmsg3(400, "FT_LNKSAVED FI=%d LinkFI=%d file=%s\n",
ff_pkt->FileIndex, lp->FileIndex, lp->name);
return rtn_stat;
}
/* File not previously dumped. Chain it into our list. */
len = strlen(fname) + 1;
lp = (struct f_link *)bmalloc(sizeof(struct f_link) + len);
+ lp->digest = NULL; /* set later */
+ lp->digest_stream = 0; /* set later */
+ lp->digest_len = 0; /* set later */
lp->ino = ff_pkt->statp.st_ino;
lp->dev = ff_pkt->statp.st_dev;
lp->FileIndex = 0; /* set later */
if (ff_pkt->linked) {
ff_pkt->linked->FileIndex = ff_pkt->FileIndex;
}
- Dmsg3(400, "FT_REG FI=%d linked=%d file=%s\n", ff_pkt->FileIndex,
+ Dmsg3(400, "FT_REG FI=%d linked=%d file=%s\n", ff_pkt->FileIndex,
ff_pkt->linked ? 1 : 0, fname);
if (ff_pkt->flags & FO_KEEPATIME) {
utime(fname, &restore_times);
- }
+ }
return rtn_stat;
bool recurse = true;
bool volhas_attrlist = ff_pkt->volhas_attrlist; /* Remember this if we recurse */
- /*
- * If we are using Win32 (non-portable) backup API, don't check
- * access as everything is more complicated, and
- * in principle, we should be able to access everything.
- */
- if (!have_win32_api() || (ff_pkt->flags & FO_PORTABLE)) {
- if (access(fname, R_OK) == -1 && geteuid() != 0) {
- /* Could not access() directory */
- ff_pkt->type = FT_NOACCESS;
- ff_pkt->ff_errno = errno;
- rtn_stat = handle_file(jcr, ff_pkt, top_level);
- if (ff_pkt->linked) {
- ff_pkt->linked->FileIndex = ff_pkt->FileIndex;
- }
- return rtn_stat;
- }
- }
-
/*
* Ignore this directory and everything below if the file .nobackup
* (or what is defined for IgnoreDir in this fileset) exists
*/
- if (ff_pkt->ignoredir != NULL) {
- struct stat sb;
- char fname[MAXPATHLEN];
-
- if (strlen(ff_pkt->fname) + strlen("/") +
- strlen(ff_pkt->ignoredir) + 1 > MAXPATHLEN)
- return 1; /* Is this wisdom? */
-
- strcpy(fname, ff_pkt->fname);
- strcat(fname, "/");
- strcat(fname, ff_pkt->ignoredir);
- if (stat(fname, &sb) == 0) {
- Dmsg2(100, "Directory '%s' ignored (found %s)\n",
- ff_pkt->fname, ff_pkt->ignoredir);
- return 1; /* Just ignore this directory */
- }
+ if (have_ignoredir(ff_pkt)) {
+ return 1; /* Just ignore this directory */
}
/* Build a canonical directory name with a trailing slash in link var */
}
/*
* We have set st_rdev to 1 if it is a reparse point, otherwise 0,
- * if st_rdev is 2, it is a mount point
+ * if st_rdev is 2, it is a mount point
*/
#if defined(HAVE_WIN32)
+ /*
+ * A reparse point (WIN32_REPARSE_POINT)
+ * is something special like one of the following:
+ * IO_REPARSE_TAG_DFS 0x8000000A
+ * IO_REPARSE_TAG_DFSR 0x80000012
+ * IO_REPARSE_TAG_HSM 0xC0000004
+ * IO_REPARSE_TAG_HSM2 0x80000006
+ * IO_REPARSE_TAG_SIS 0x80000007
+ * IO_REPARSE_TAG_SYMLINK 0xA000000C
+ *
+ * A junction point is a:
+ * IO_REPARSE_TAG_MOUNT_POINT 0xA0000003
+ * which can be either a link to a Volume (WIN32_MOUNT_POINT)
+ * or a link to a directory (WIN32_JUNCTION_POINT)
+ *
+ * Ignore WIN32_REPARSE_POINT and WIN32_JUNCTION_POINT
+ */
if (ff_pkt->statp.st_rdev == WIN32_REPARSE_POINT) {
ff_pkt->type = FT_REPARSE;
+ } else if (ff_pkt->statp.st_rdev == WIN32_JUNCTION_POINT) {
+ ff_pkt->type = FT_JUNCTION;
}
-#endif
+#endif
/*
* Note, we return the directory to the calling program (handle_file)
* when we first see the directory (FT_DIRBEGIN.
* in the directory is seen (i.e. the FT_DIREND).
*/
rtn_stat = handle_file(jcr, ff_pkt, top_level);
- if (rtn_stat < 1 || ff_pkt->type == FT_REPARSE) { /* ignore or error status */
+ if (rtn_stat < 1 || ff_pkt->type == FT_REPARSE ||
+ ff_pkt->type == FT_JUNCTION) { /* ignore or error status */
free(link);
return rtn_stat;
}
int count = 0;
int i;
-
+
if (ff->linkhash == NULL) return 0;
for (i =0 ; i < LINK_HASHTABLE_SIZE; i ++) {
/* Free up list of hard linked files */
- lp = ff->linkhash[i];
- while (lp) {
- lc = lp;
- lp = lp->next;
- if (lc) {
- free(lc);
- count++;
+ lp = ff->linkhash[i];
+ while (lp) {
+ lc = lp;
+ lp = lp->next;
+ if (lc) {
+ if (lc->digest) {
+ free(lc->digest);
+ }
+ free(lc);
+ count++;
+ }
}
- }
- ff->linkhash[i] = NULL;
+ ff->linkhash[i] = NULL;
}
free(ff->linkhash);
ff->linkhash = NULL;
projects / bacula / bacula / blobdiff