/*
- Copyright (C) 2000-2005 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 as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
+ Copyright (C) 2000-2007 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
+ 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., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
+ 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.
+*/
+/*
- This file is based on GNU TAR source code. Except for a few key
- ideas, it has been rewritten for Bacula.
+ This file was derived from GNU TAR source code. Except for a few key
+ ideas, it has been entirely rewritten for Bacula.
Kern Sibbald, MM
char name[1]; /* The name */
};
+typedef struct f_link link_t;
+#define LINK_HASHTABLE_BITS 16
+#define LINK_HASHTABLE_SIZE (1<<LINK_HASHTABLE_BITS)
+#define LINK_HASHTABLE_MASK (LINK_HASHTABLE_SIZE-1)
+
+static inline int LINKHASH(const struct stat &info)
+{
+ int hash = info.st_dev;
+ unsigned long long i = info.st_ino;
+ hash ^= i;
+ i >>= 16;
+ hash ^= i;
+ i >>= 16;
+ hash ^= i;
+ i >>= 16;
+ hash ^= i;
+ return hash & LINK_HASHTABLE_MASK;
+}
+
+/*
+ * 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
+ * packet.
+ */
+static FF_PKT *new_dir_ff_pkt(FF_PKT *ff_pkt)
+{
+ FF_PKT *dir_ff_pkt = (FF_PKT *)bmalloc(sizeof(FF_PKT));
+ memcpy(dir_ff_pkt, ff_pkt, sizeof(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);
+ 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;
+ return dir_ff_pkt;
+}
+
+/*
+ * Free the temp directory ff_pkt
+ */
static void free_dir_ff_pkt(FF_PKT *dir_ff_pkt)
{
free(dir_ff_pkt->fname);
free(dir_ff_pkt->link);
free_pool_memory(dir_ff_pkt->sys_fname);
+ if (dir_ff_pkt->fname_save) {
+ free_pool_memory(dir_ff_pkt->fname_save);
+ }
+ if (dir_ff_pkt->link_save) {
+ free_pool_memory(dir_ff_pkt->link_save);
+ }
free(dir_ff_pkt);
}
return accept;
}
+/*
+ * Check to see if we allow the drive type of a file or directory.
+ * If we do not have a list of drive types, we accept anything.
+ */
+static int accept_drivetype(FF_PKT *ff, void *dummy) {
+ int i;
+ char dt[100];
+ bool accept = true;
+
+ if (ff->drivetypes.size()) {
+ accept = false;
+ if (!drivetype(ff->fname, dt, sizeof(dt))) {
+ Dmsg1(50, "Cannot determine drive type for \"%s\"\n", ff->fname);
+ } else {
+ for (i = 0; i < ff->drivetypes.size(); ++i) {
+ if (strcmp(dt, (char *)ff->drivetypes.get(i)) == 0) {
+ Dmsg2(100, "Accepting drive type %s for \"%s\"\n", dt, ff->fname);
+ accept = true;
+ break;
+ }
+ Dmsg3(200, "drive type %s for \"%s\" does not match %s\n", dt,
+ ff->fname, ff->drivetypes.get(i));
+ }
+ }
+ }
+ return accept;
+}
+
/*
* This function determines whether we can use getattrlist()
* It's odd, but we have to use the function to determine that...
return false;
}
+/* check if a file have changed during backup and display an error */
+bool has_file_changed(JCR *jcr, FF_PKT *ff_pkt)
+{
+ struct stat statp;
+ Dmsg1(500, "has_file_changed fname=%s\n",ff_pkt->fname);
+
+ if (ff_pkt->type != FT_REG) { /* not a regular file */
+ return false;
+ }
+
+ if (lstat(ff_pkt->fname, &statp) != 0) {
+ berrno be;
+ 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);
+ 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);
+ 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);
+ return true;
+ }
+
+ return false;
+}
+
/*
* Find a single file.
* handle_file is the callback for handling the file.
restore_times.modtime = ff_pkt->statp.st_mtime;
/*
- * We check for allowed fstypes at top_level and fstype change (below).
+ * We check for allowed fstypes and drivetypes at top_level and fstype change (below).
*/
if (top_level) {
if (!accept_fstype(ff_pkt, NULL)) {
if (ff_pkt->flags & FO_KEEPATIME) {
utime(fname, &restore_times);
}
- Jmsg1(jcr, M_ERROR, 0, _("Top level directory \"%s\" has an unlisted fstype\n"), fname);
+
+ char fs[100];
+
+ if (!fstype(ff_pkt->fname, fs, sizeof(fs))) {
+ bstrncpy(fs, "unknown", sizeof(fs));
+ }
+
+ Jmsg(jcr, M_INFO, 0, _("Top level directory \"%s\" has unlisted fstype \"%s\"\n"), fname, fs);
+ return 1; /* Just ignore this error - or the whole backup is cancelled */
+ }
+ if (!accept_drivetype(ff_pkt, NULL)) {
+ ff_pkt->type = FT_INVALIDDT;
+ if (ff_pkt->flags & FO_KEEPATIME) {
+ utime(fname, &restore_times);
+ }
+
+ char dt[100];
+
+ if (!drivetype(ff_pkt->fname, dt, sizeof(dt))) {
+ bstrncpy(dt, "unknown", sizeof(dt));
+ }
+
+ Jmsg(jcr, M_INFO, 0, _("Top level directory \"%s\" has an unlisted drive type \"%s\"\n"), fname, dt);
return 1; /* Just ignore this error - or the whole backup is cancelled */
}
ff_pkt->volhas_attrlist = volume_has_attrlist(fname);
}
#endif
-/* ***FIXME*** implement this */
-#if xxxxxxx
- /* See if we are trying to dump the archive. */
- if (ar_dev && ff_pkt->statp.st_dev == ar_dev && ff_pkt->statp.st_ino == ar_ino) {
- ff_pkt->type = FT_ISARCH;
- return handle_file(ff_pkt, pkt, top_level);
- }
-#endif
ff_pkt->LinkFI = 0;
/*
* Handle hard linked files
|| S_ISSOCK(ff_pkt->statp.st_mode))) {
struct f_link *lp;
+ if (ff_pkt->linkhash == NULL) {
+ ff_pkt->linkhash = (link_t **)bmalloc(LINK_HASHTABLE_SIZE * sizeof(link_t *));
+ memset(ff_pkt->linkhash, 0, LINK_HASHTABLE_SIZE * sizeof(link_t *));
+ }
+ const int linkhash = LINKHASH(ff_pkt->statp);
/* Search link list of hard linked files */
- for (lp = ff_pkt->linklist; lp; lp = lp->next)
+ for (lp = ff_pkt->linkhash[linkhash]; lp; lp = lp->next)
if (lp->ino == (ino_t)ff_pkt->statp.st_ino &&
lp->dev == (dev_t)ff_pkt->statp.st_dev) {
/* If we have already backed up the hard linked file don't do it again */
if (strcmp(lp->name, fname) == 0) {
- Jmsg1(jcr, M_WARNING, 0, _("Attempt to backup hard linked file %s twice ignored.\n"),
- fname);
return 1; /* ignore */
}
ff_pkt->link = lp->name;
lp->ino = ff_pkt->statp.st_ino;
lp->dev = ff_pkt->statp.st_dev;
bstrncpy(lp->name, fname, len);
- lp->next = ff_pkt->linklist;
- ff_pkt->linklist = lp;
+ lp->next = ff_pkt->linkhash[linkhash];
+ ff_pkt->linkhash[linkhash] = lp;
ff_pkt->linked = lp; /* mark saved link */
} else {
ff_pkt->linked = NULL;
/* This is not a link to a previously dumped file, so dump it. */
if (S_ISREG(ff_pkt->statp.st_mode)) {
- off_t sizeleft;
+ boffset_t sizeleft;
sizeleft = ff_pkt->statp.st_size;
if (ff_pkt->linked) {
ff_pkt->linked->FileIndex = ff_pkt->FileIndex;
}
+ if (ff_pkt->flags & FO_KEEPATIME) {
+ utime(fname, &restore_times);
+ }
return rtn_stat;
link = (char *)bmalloc(link_len + 2);
bstrncpy(link, fname, link_len);
/* Strip all trailing slashes */
- while (len >= 1 && link[len - 1] == '/')
+ while (len >= 1 && IsPathSeparator(link[len - 1]))
len--;
link[len++] = '/'; /* add back one */
link[len] = 0;
ff_pkt->link = link;
if (ff_pkt->incremental &&
(ff_pkt->statp.st_mtime < ff_pkt->save_time &&
- ff_pkt->statp.st_ctime < ff_pkt->save_time)) {
+ ((ff_pkt->flags & FO_MTIMEONLY) ||
+ ff_pkt->statp.st_ctime < ff_pkt->save_time))) {
/* Incremental option, directory entry not changed */
ff_pkt->type = FT_DIRNOCHG;
} else {
ff_pkt->type = FT_DIRBEGIN;
}
+ /* We have set st_rdev to 1 if it is a reparse point, otherwise 0 */
+ if (have_win32_api() && ff_pkt->statp.st_rdev) {
+ ff_pkt->type = FT_REPARSE;
+ }
/*
* 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(ff_pkt, pkt, top_level);
- if (rtn_stat < 1) { /* ignore or error status */
+ if (rtn_stat < 1 || ff_pkt->type == FT_REPARSE) { /* ignore or error status */
free(link);
return rtn_stat;
}
* be reset after all the files have been restored.
*/
Dmsg1(300, "Create temp ff packet for dir: %s\n", ff_pkt->fname);
- FF_PKT *dir_ff_pkt = (FF_PKT *)bmalloc(sizeof(FF_PKT));
- memcpy(dir_ff_pkt, ff_pkt, sizeof(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);
- dir_ff_pkt->included_files_list = NULL;
- dir_ff_pkt->excluded_files_list = NULL;
- dir_ff_pkt->excluded_paths_list = NULL;
- dir_ff_pkt->linklist = NULL;
+ FF_PKT *dir_ff_pkt = new_dir_ff_pkt(ff_pkt);
/*
* Do not descend into subdirectories (recurse) if the
{
struct f_link *lp, *lc;
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 */
- for (lp = ff->linklist; lp;) {
+ lp = ff->linkhash[i];
+ while (lp) {
lc = lp;
lp = lp->next;
if (lc) {
count++;
}
}
- ff->linklist = NULL;
+ ff->linkhash[i] = NULL;
+ }
+ free(ff->linkhash);
+ ff->linkhash = NULL;
return count;
}
projects / bacula / bacula / blobdiff