-/*
- Copyright (C) 2000-2003 Kern Sibbald and John Walker
+/*
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2000-2009 Free Software Foundation Europe e.V.
- 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.
+ 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
+ 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.
- This file is based on GNU TAR source code. Except for a few key
- ideas and some key snippets of code, it has been rewritten for Bacula.
+ 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.
+*/
+/*
+
+ 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
- Many thanks to the TAR programmers.
+ Thanks to the TAR programmers.
+
+ Version $Id$
*/
#include "bacula.h"
#include "find.h"
-/*#include "system.h" */
-
-
-extern size_t name_max; /* filename max length */
-extern size_t path_max; /* path name max length */
-
-#ifndef HAVE_READDIR_R
-int readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result);
+#ifdef HAVE_DARWIN_OS
+#include <sys/param.h>
+#include <sys/mount.h>
+#include <sys/attr.h>
#endif
+extern int32_t name_max; /* filename max length */
+extern int32_t path_max; /* path name max length */
/*
- * Structure for keeping track of hard linked files
+ * Structure for keeping track of hard linked files, we
+ * keep an entry for each hardlinked file that we save,
+ * which is the first one found. For all the other files that
+ * are linked to this one, we save only the directory
+ * entry so we can link it.
*/
struct f_link {
struct f_link *next;
- dev_t dev;
- ino_t ino;
- short linkcount;
- char name[1];
+ dev_t dev; /* device */
+ ino_t ino; /* inode with device is unique */
+ uint32_t FileIndex; /* Bacula FileIndex of this file */
+ 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)
-#if HAVE_UTIME_H
-# include <utime.h>
-#else
-struct utimbuf
- {
- long actime;
- long modtime;
- };
+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);
+}
+
+/*
+ * Check to see if we allow the file system type of a file or directory.
+ * If we do not have a list of file system types, we accept anything.
+ */
+static int accept_fstype(FF_PKT *ff, void *dummy) {
+ int i;
+ char fs[1000];
+ bool accept = true;
+
+ if (ff->fstypes.size()) {
+ accept = false;
+ if (!fstype(ff->fname, 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 (strcmp(fs, (char *)ff->fstypes.get(i)) == 0) {
+ Dmsg2(100, "Accepting fstype %s for \"%s\"\n", fs, ff->fname);
+ accept = true;
+ break;
+ }
+ Dmsg3(200, "fstype %s for \"%s\" does not match %s\n", fs,
+ ff->fname, ff->fstypes.get(i));
+ }
+ }
+ }
+ 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...
+ * Also, the man pages talk about things as if they were implemented.
+ *
+ * On Mac OS X, this succesfully differentiates between HFS+ and UFS
+ * volumes, which makes me trust it is OK for others, too.
+ */
+static bool volume_has_attrlist(const char *fname)
+{
+#ifdef HAVE_DARWIN_OS
+ struct statfs st;
+ struct volinfo_struct {
+ unsigned long length; /* Mandatory field */
+ vol_capabilities_attr_t info; /* Volume capabilities */
+ } vol;
+ struct attrlist attrList;
+
+ memset(&attrList, 0, sizeof(attrList));
+ attrList.bitmapcount = ATTR_BIT_MAP_COUNT;
+ attrList.volattr = ATTR_VOL_INFO | ATTR_VOL_CAPABILITIES;
+ if (statfs(fname, &st) == 0) {
+ /* We need to check on the mount point */
+ if (getattrlist(st.f_mntonname, &attrList, &vol, sizeof(vol), FSOPT_NOFOLLOW) == 0
+ && (vol.info.capabilities[VOL_CAPABILITIES_INTERFACES] & VOL_CAP_INT_ATTRLIST)
+ && (vol.info.valid[VOL_CAPABILITIES_INTERFACES] & VOL_CAP_INT_ATTRLIST)) {
+ return true;
+ }
+ }
+#endif
+ return false;
+}
+
+/*
+ * check for BSD nodump flag
+ */
+static bool no_dump(JCR *jcr, FF_PKT *ff_pkt)
+{
+#if defined(HAVE_CHFLAGS) && defined(UF_NODUMP)
+ if ( (ff_pkt->flags & FO_HONOR_NODUMP) &&
+ (ff_pkt->statp.st_flags & UF_NODUMP) ) {
+ Jmsg(jcr, M_INFO, 1, _(" NODUMP flag set - will not process %s\n"),
+ ff_pkt->fname);
+ return true; /* do not backup this file */
+ }
#endif
+ return false; /* do backup */
+}
+/* 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.
+ * For incremental/diffential or accurate backups, we
+ * determine if the current file has changed.
+ */
+static bool check_changes(JCR *jcr, FF_PKT *ff_pkt)
+{
+ /* in special mode (like accurate backup), the programmer can
+ * choose his comparison function.
+ */
+ if (ff_pkt->check_fct) {
+ return ff_pkt->check_fct(jcr, ff_pkt);
+ }
+
+ /* For normal backups (incr/diff), we use this default
+ * behaviour
+ */
+ 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)))
+ {
+ return false;
+ }
+
+ return true;
+}
+
+static bool have_ignoredir(FF_PKT *ff_pkt)
+{
+ struct stat sb;
+ char tmp_name[MAXPATHLEN];
+ 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 (strlen(ff_pkt->fname) + strlen(ignoredir) + 2 > MAXPATHLEN) {
+ return false;
+ }
+
+ strcpy(tmp_name, ff_pkt->fname);
+ strcat(tmp_name, "/");
+ strcat(tmp_name, ignoredir);
+ if (stat(tmp_name, &sb) == 0) {
+ Dmsg2(100, "Directory '%s' ignored (found %s)\n",
+ ff_pkt->fname, ignoredir);
+ return true; /* Just ignore this directory */
+ }
+ }
+ return false;
+}
+
+/*
+ * Find a single file.
* handle_file is the callback for handling the file.
* p is the filename
- * parent_device is the device we are currently on
- * top_level is 1 when not recursing or 0 when
- * decending into a directory.
+ * parent_device is the device we are currently on
+ * top_level is 1 when not recursing or 0 when
+ * descending into a directory.
*/
int
-find_one_file(FF_PKT *ff_pkt, int handle_file(FF_PKT *ff, void *hpkt), void *pkt,
- char *fname, dev_t parent_device, int top_level)
+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)
{
struct utimbuf restore_times;
int rtn_stat;
+ int len;
ff_pkt->fname = ff_pkt->link = fname;
- if (ff_pkt->compute_MD5) {
- ff_pkt->flags |= FO_MD5;
- }
- if (ff_pkt->GZIP_compression) {
- ff_pkt->flags |= FO_GZIP;
- }
if (lstat(fname, &ff_pkt->statp) != 0) {
/* Cannot stat file */
ff_pkt->type = FT_NOSTAT;
ff_pkt->ff_errno = errno;
- return handle_file(ff_pkt, pkt);
+ return handle_file(jcr, ff_pkt, top_level);
}
- Dmsg1(60, "File ----: %s\n", fname);
-#ifdef DEBUG
- if (S_ISLNK(ff_pkt->statp.st_mode))
- Dmsg1(60, "Link-------------: %s \n", fname);
-#endif
+ Dmsg1(300, "File ----: %s\n", fname);
/* Save current times of this directory in case we need to
* reset them because the user doesn't want them changed.
restore_times.actime = ff_pkt->statp.st_atime;
restore_times.modtime = ff_pkt->statp.st_mtime;
+ /*
+ * We check for allowed fstypes and drivetypes at top_level and fstype change (below).
+ */
+ if (top_level) {
+ if (!accept_fstype(ff_pkt, NULL)) {
+ ff_pkt->type = FT_INVALIDFS;
+ if (ff_pkt->flags & FO_KEEPATIME) {
+ utime(fname, &restore_times);
+ }
+
+ 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);
+ }
+
+ /*
+ * Ignore this entry if no_dump() returns true
+ */
+ if (no_dump(jcr, ff_pkt)) {
+ Dmsg1(100, "'%s' ignored (NODUMP flag set)\n",
+ ff_pkt->fname);
+ return 1;
+ }
+
+ /*
* If this is an Incremental backup, see if file was modified
* since our last "save_time", presumably the last Full save
* or Incremental.
*/
- if (ff_pkt->incremental && !S_ISDIR(ff_pkt->statp.st_mode)) {
- Dmsg1(100, "Non-directory incremental: %s\n", ff_pkt->fname);
- /* Not a directory */
- if (ff_pkt->statp.st_mtime < ff_pkt->save_time
- && (ff_pkt->mtime_only ||
- ff_pkt->statp.st_ctime < ff_pkt->save_time)) {
- /* Incremental option, file not changed */
- ff_pkt->type = FT_NOCHG;
- Dmsg1(100, "File not changed: %s\n", ff_pkt->fname);
- Dmsg4(200, "save_time=%d mtime=%d mtime_only=%d st_ctime=%d\n",
- ff_pkt->save_time, ff_pkt->statp.st_mtime,
- ff_pkt->mtime_only, ff_pkt->statp.st_ctime);
- return handle_file(ff_pkt, 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;
+ return handle_file(jcr, ff_pkt, top_level);
}
-#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);
+#ifdef HAVE_DARWIN_OS
+ if (ff_pkt->flags & FO_HFSPLUS && ff_pkt->volhas_attrlist
+ && S_ISREG(ff_pkt->statp.st_mode)) {
+ /* TODO: initialise attrList once elsewhere? */
+ struct attrlist attrList;
+ memset(&attrList, 0, sizeof(attrList));
+ attrList.bitmapcount = ATTR_BIT_MAP_COUNT;
+ attrList.commonattr = ATTR_CMN_FNDRINFO;
+ attrList.fileattr = ATTR_FILE_RSRCLENGTH;
+ if (getattrlist(fname, &attrList, &ff_pkt->hfsinfo,
+ sizeof(ff_pkt->hfsinfo), FSOPT_NOFOLLOW) != 0) {
+ ff_pkt->type = FT_NOSTAT;
+ ff_pkt->ff_errno = errno;
+ return handle_file(jcr, ff_pkt, top_level);
+ }
}
#endif
- /*
+ ff_pkt->LinkFI = 0;
+ /*
* Handle hard linked files
*
* Maintain a list of hard linked files already backed up. This
- * allows us to ensure that the data of each file gets backed
+ * allows us to ensure that the data of each file gets backed
* up only once.
*/
- if (ff_pkt->statp.st_nlink > 1
+ if (!(ff_pkt->flags & FO_NO_HARDLINK)
+ && ff_pkt->statp.st_nlink > 1
&& (S_ISREG(ff_pkt->statp.st_mode)
- || S_ISCHR(ff_pkt->statp.st_mode)
- || S_ISBLK(ff_pkt->statp.st_mode)
- || S_ISFIFO(ff_pkt->statp.st_mode)
- || S_ISSOCK(ff_pkt->statp.st_mode))) {
+ || S_ISCHR(ff_pkt->statp.st_mode)
+ || S_ISBLK(ff_pkt->statp.st_mode)
+ || S_ISFIFO(ff_pkt->statp.st_mode)
+ || S_ISSOCK(ff_pkt->statp.st_mode))) {
struct f_link *lp;
-
- /* Search link list of hard linked files */
- for (lp = ff_pkt->linklist; lp; lp = lp->next)
- if (lp->ino == ff_pkt->statp.st_ino && lp->dev == ff_pkt->statp.st_dev) {
- ff_pkt->link = lp->name;
- ff_pkt->type = FT_LNKSAVED; /* Handle link, file already saved */
- return handle_file(ff_pkt, pkt);
- }
-
- /* File not previously dumped. Chain it into our list. */
- lp = (struct f_link *)bmalloc(sizeof (struct f_link) + strlen(fname));
- lp->ino = ff_pkt->statp.st_ino;
- lp->dev = ff_pkt->statp.st_dev;
- strcpy (lp->name, fname);
- lp->next = ff_pkt->linklist;
- ff_pkt->linklist = 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->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) {
+ Dmsg2(400, "== Name identical skip FI=%d file=%s\n", lp->FileIndex, fname);
+ return 1; /* ignore */
+ }
+ ff_pkt->link = lp->name;
+ ff_pkt->type = FT_LNKSAVED; /* Handle link, file already saved */
+ ff_pkt->LinkFI = lp->FileIndex;
+ ff_pkt->linked = 0;
+ rtn_stat = handle_file(jcr, ff_pkt, top_level);
+ 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->ino = ff_pkt->statp.st_ino;
+ lp->dev = ff_pkt->statp.st_dev;
+ lp->FileIndex = 0; /* set later */
+ bstrncpy(lp->name, fname, len);
+ lp->next = ff_pkt->linkhash[linkhash];
+ ff_pkt->linkhash[linkhash] = lp;
+ ff_pkt->linked = lp; /* mark saved link */
+ Dmsg2(400, "added to hash FI=%d file=%s\n", ff_pkt->FileIndex, lp->name);
+ } 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;
+ sizeleft = ff_pkt->statp.st_size;
- /* Don't bother opening empty, world readable files. Also do not open
- files when archive is meant for /dev/null. */
- if (ff_pkt->null_output_device || (sizeleft == 0
- && MODE_RALL == (MODE_RALL & ff_pkt->statp.st_mode))) {
- ff_pkt->type = FT_REGE;
- } else {
- ff_pkt->type = FT_REG;
- }
- return handle_file(ff_pkt, pkt);
-
- } else if (S_ISLNK(ff_pkt->statp.st_mode)) {
- int size;
- char *buffer = (char *)alloca(PATH_MAX + 1);
-
- size = readlink(fname, buffer, PATH_MAX + 1);
- if (size < 0) {
- /* Could not follow link */
- ff_pkt->type = FT_NOFOLLOW;
- ff_pkt->ff_errno = errno;
- return handle_file(ff_pkt, pkt);
- }
- buffer[size] = 0;
- ff_pkt->link = buffer;
- ff_pkt->type = FT_LNK; /* got a real link */
- return handle_file(ff_pkt, pkt);
+ /* Don't bother opening empty, world readable files. Also do not open
+ files when archive is meant for /dev/null. */
+ if (ff_pkt->null_output_device || (sizeleft == 0
+ && MODE_RALL == (MODE_RALL & ff_pkt->statp.st_mode))) {
+ ff_pkt->type = FT_REGE;
+ } else {
+ ff_pkt->type = FT_REG;
+ }
+ rtn_stat = handle_file(jcr, ff_pkt, top_level);
+ 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,
+ ff_pkt->linked ? 1 : 0, fname);
+ if (ff_pkt->flags & FO_KEEPATIME) {
+ utime(fname, &restore_times);
+ }
+ return rtn_stat;
+
+
+ } else if (S_ISLNK(ff_pkt->statp.st_mode)) { /* soft link */
+ int size;
+ char *buffer = (char *)alloca(path_max + name_max + 102);
+
+ size = readlink(fname, buffer, path_max + name_max + 101);
+ if (size < 0) {
+ /* Could not follow link */
+ ff_pkt->type = FT_NOFOLLOW;
+ 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;
+ }
+ buffer[size] = 0;
+ ff_pkt->link = buffer; /* point to link */
+ ff_pkt->type = FT_LNK; /* got a real link */
+ rtn_stat = handle_file(jcr, ff_pkt, top_level);
+ if (ff_pkt->linked) {
+ ff_pkt->linked->FileIndex = ff_pkt->FileIndex;
+ }
+ return rtn_stat;
} else if (S_ISDIR(ff_pkt->statp.st_mode)) {
- DIR *directory;
- struct dirent *entry, *result;
- char *namebuf;
- size_t namebuf_len;
- size_t len;
- int status;
- dev_t our_device = ff_pkt->statp.st_dev;
-
- if (access(fname, R_OK) == -1 && geteuid() != 0) {
- /* Could not access() directory */
- ff_pkt->type = FT_NOACCESS;
- ff_pkt->ff_errno = errno;
- return handle_file(ff_pkt, pkt);
- }
+ DIR *directory;
+ struct dirent *entry, *result;
+ char *link;
+ int link_len;
+ int len;
+ int status;
+ dev_t our_device = ff_pkt->statp.st_dev;
+ bool recurse = true;
+ bool volhas_attrlist = ff_pkt->volhas_attrlist; /* Remember this if we recurse */
+
+ /*
+ * Ignore this directory and everything below if the file .nobackup
+ * (or what is defined for IgnoreDir in this fileset) exists
+ */
+ if (have_ignoredir(ff_pkt)) {
+ return 1; /* Just ignore this directory */
+ }
- /* Build a canonical directory name with a trailing slash. */
- len = strlen(fname);
- namebuf_len = len + DEFAULT_NAMEBUF_LEN;
- namebuf = (char *)bmalloc(namebuf_len + 2);
- bstrncpy(namebuf, fname, namebuf_len);
- while (len >= 1 && namebuf[len - 1] == '/')
- len--;
- namebuf[len++] = '/';
- namebuf[len] = '\0';
-
- ff_pkt->link = namebuf;
- if (ff_pkt->incremental &&
- (ff_pkt->statp.st_mtime < ff_pkt->save_time &&
- 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_DIR;
- }
- handle_file(ff_pkt, pkt); /* handle directory entry */
-
- ff_pkt->link = ff_pkt->fname; /* reset "link" */
-
- /*
- * Do not decend into subdirectories (recurse) if the
- * user has turned it off for this directory.
- */
- if (ff_pkt->no_recursion) {
- free(namebuf);
- /* No recursion into this directory */
- ff_pkt->type = FT_NORECURSE;
- return handle_file(ff_pkt, pkt);
- }
+ /* Build a canonical directory name with a trailing slash in link var */
+ len = strlen(fname);
+ link_len = len + 200;
+ link = (char *)bmalloc(link_len + 2);
+ bstrncpy(link, fname, link_len);
+ /* Strip all trailing slashes */
+ while (len >= 1 && IsPathSeparator(link[len - 1]))
+ len--;
+ link[len++] = '/'; /* add back one */
+ link[len] = 0;
+
+ ff_pkt->link = link;
+ if (!check_changes(jcr, ff_pkt)) {
+ /* Incremental/Full+Base 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 st_rdev is 2, it is a mount point
+ */
+#if defined(HAVE_WIN32)
+ if (ff_pkt->statp.st_rdev == WIN32_REPARSE_POINT) {
+ ff_pkt->type = FT_REPARSE;
+ }
+#endif
+ /*
+ * Note, we return the directory to the calling program (handle_file)
+ * when we first see the directory (FT_DIRBEGIN.
+ * This allows the program to apply matches and make a
+ * choice whether or not to accept it. If it is accepted, we
+ * do not immediately save it, but do so only after everything
+ * 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 */
+ free(link);
+ return rtn_stat;
+ }
+ /* Done with DIRBEGIN, next call will be DIREND */
+ if (ff_pkt->type == FT_DIRBEGIN) {
+ ff_pkt->type = FT_DIREND;
+ }
- /*
- * See if we are crossing file systems, and
- * avoid doing so if the user only wants to dump one file system.
- */
- if (ff_pkt->one_file_system && !top_level
- && parent_device != ff_pkt->statp.st_dev) {
- free(namebuf);
- ff_pkt->type = FT_NOFSCHG;
- return handle_file(ff_pkt, pkt);
- }
+ /*
+ * Create a temporary ff packet for this directory
+ * entry, and defer handling the directory until
+ * we have recursed into it. This saves the
+ * directory after all files have been processed, and
+ * during the restore, the directory permissions will
+ * 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 = new_dir_ff_pkt(ff_pkt);
+
+ /*
+ * Do not descend into subdirectories (recurse) if the
+ * user has turned it off for this directory.
+ *
+ * If we are crossing file systems, we are either not allowed
+ * to cross, or we may be restricted by a list of permitted
+ * file systems.
+ */
+ bool is_win32_mount_point = false;
+#if defined(HAVE_WIN32)
+ is_win32_mount_point = ff_pkt->statp.st_rdev == WIN32_MOUNT_POINT;
+#endif
+ if (!top_level && ff_pkt->flags & FO_NO_RECURSION) {
+ ff_pkt->type = FT_NORECURSE;
+ recurse = false;
+ } else if (!top_level && (parent_device != ff_pkt->statp.st_dev ||
+ is_win32_mount_point)) {
+ if(!(ff_pkt->flags & FO_MULTIFS)) {
+ ff_pkt->type = FT_NOFSCHG;
+ recurse = false;
+ } else if (!accept_fstype(ff_pkt, NULL)) {
+ ff_pkt->type = FT_INVALIDFS;
+ recurse = false;
+ } else {
+ ff_pkt->volhas_attrlist = volume_has_attrlist(fname);
+ }
+ }
+ /* If not recursing, just backup dir and return */
+ if (!recurse) {
+ rtn_stat = handle_file(jcr, ff_pkt, top_level);
+ if (ff_pkt->linked) {
+ ff_pkt->linked->FileIndex = ff_pkt->FileIndex;
+ }
+ free(link);
+ free_dir_ff_pkt(dir_ff_pkt);
+ ff_pkt->link = ff_pkt->fname; /* reset "link" */
+ if (ff_pkt->flags & FO_KEEPATIME) {
+ utime(fname, &restore_times);
+ }
+ return rtn_stat;
+ }
- /*
- * Now process the files in this directory.
- */
- errno = 0;
- if ((directory = opendir(fname)) == NULL) {
- free(namebuf);
- ff_pkt->type = FT_NOOPEN;
- ff_pkt->ff_errno = errno;
- return handle_file(ff_pkt, pkt);
- }
+ ff_pkt->link = ff_pkt->fname; /* reset "link" */
+
+ /*
+ * Descend into or "recurse" into the directory to read
+ * all the files in it.
+ */
+ errno = 0;
+ if ((directory = opendir(fname)) == NULL) {
+ ff_pkt->type = FT_NOOPEN;
+ 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;
+ }
+ free(link);
+ free_dir_ff_pkt(dir_ff_pkt);
+ return rtn_stat;
+ }
- /*
- * This would possibly run faster if we chdir to the directory
- * before traversing it.
- */
- rtn_stat = 1;
- entry = (struct dirent *)malloc(sizeof(struct dirent) + name_max + 10);
- for ( ;; ) {
- char *p;
-
- status = readdir_r(directory, entry, &result);
- Dmsg3(200, "readdir stat=%d result=%x name=%s\n", status, result,
- entry->d_name);
- if (status != 0 || result == NULL) {
- break;
- }
- p = entry->d_name;
- /* Skip `.', `..', and excluded file names. */
- if (p[0] == '\0' || (p[0] == '.' && (p[1] == '\0' ||
- (p[1] == '.' && p[2] == '\0')))) {
- continue;
- }
-
- if ((int)NAMELEN(entry) + len >= namebuf_len) {
- namebuf_len = len + NAMELEN(entry);
- namebuf = (char *)brealloc(namebuf, namebuf_len + 2);
- }
- strcpy(namebuf + len, entry->d_name);
- if (!file_is_excluded(ff_pkt, namebuf)) {
- rtn_stat = find_one_file(ff_pkt, handle_file, pkt, namebuf, our_device, 0);
- }
- }
- closedir(directory);
- free(namebuf);
- free(entry);
- if (ff_pkt->atime_preserve) {
- utime(fname, &restore_times);
- }
- return rtn_stat;
+ /*
+ * Process all files in this directory entry (recursing).
+ * This would possibly run faster if we chdir to the directory
+ * before traversing it.
+ */
+ rtn_stat = 1;
+ entry = (struct dirent *)malloc(sizeof(struct dirent) + name_max + 100);
+ for ( ; !job_canceled(jcr); ) {
+ char *p, *q;
+ int i;
+
+ status = readdir_r(directory, entry, &result);
+ if (status != 0 || result == NULL) {
+// Dmsg2(99, "readdir returned stat=%d result=0x%x\n",
+// status, (long)result);
+ break;
+ }
+ ASSERT(name_max+1 > (int)sizeof(struct dirent) + (int)NAMELEN(entry));
+ p = entry->d_name;
+ /* Skip `.', `..', and excluded file names. */
+ if (p[0] == '\0' || (p[0] == '.' && (p[1] == '\0' ||
+ (p[1] == '.' && p[2] == '\0')))) {
+ continue;
+ }
+
+ if ((int)NAMELEN(entry) + len >= link_len) {
+ link_len = len + NAMELEN(entry) + 1;
+ link = (char *)brealloc(link, link_len + 1);
+ }
+ q = link + len;
+ for (i=0; i < (int)NAMELEN(entry); i++) {
+ *q++ = *p++;
+ }
+ *q = 0;
+ if (!file_is_excluded(ff_pkt, link)) {
+ rtn_stat = find_one_file(jcr, ff_pkt, handle_file, link, our_device, false);
+ if (ff_pkt->linked) {
+ ff_pkt->linked->FileIndex = ff_pkt->FileIndex;
+ }
+ }
+ }
+ closedir(directory);
+ free(link);
+ free(entry);
+
+ /*
+ * Now that we have recursed through all the files in the
+ * directory, we "save" the directory so that after all
+ * the files are restored, this entry will serve to reset
+ * the directory modes and dates. Temp directory values
+ * were used without this record.
+ */
+ handle_file(jcr, dir_ff_pkt, top_level); /* handle directory entry */
+ if (ff_pkt->linked) {
+ ff_pkt->linked->FileIndex = dir_ff_pkt->FileIndex;
+ }
+ free_dir_ff_pkt(dir_ff_pkt);
+
+ if (ff_pkt->flags & FO_KEEPATIME) {
+ utime(fname, &restore_times);
+ }
+ ff_pkt->volhas_attrlist = volhas_attrlist; /* Restore value in case it changed. */
+ return rtn_stat;
} /* end check for directory */
/*
* a block device, we do a raw backup of it or if it is
* a fifo, we simply read it.
*/
- if (top_level && S_ISBLK(ff_pkt->statp.st_mode) {
- ff_pkt->type = FT_RAW; /* raw partition */
- } else if (top_level && S_ISFIFO(ff_pkt->statp.st_mode) {
+#ifdef HAVE_FREEBSD_OS
+ /*
+ * On FreeBSD, all block devices are character devices, so
+ * to be able to read a raw disk, we need the check for
+ * a character device.
+ * crw-r----- 1 root operator - 116, 0x00040002 Jun 9 19:32 /dev/ad0s3
+ * crw-r----- 1 root operator - 116, 0x00040002 Jun 9 19:32 /dev/rad0s3
+ */
+ if (top_level && (S_ISBLK(ff_pkt->statp.st_mode) || S_ISCHR(ff_pkt->statp.st_mode))) {
+#else
+ if (top_level && S_ISBLK(ff_pkt->statp.st_mode)) {
+#endif
+ ff_pkt->type = FT_RAW; /* raw partition */
+ } else if (top_level && S_ISFIFO(ff_pkt->statp.st_mode) &&
+ ff_pkt->flags & FO_READFIFO) {
ff_pkt->type = FT_FIFO;
} else {
/* The only remaining types are special (character, ...) files */
ff_pkt->type = FT_SPEC;
}
- return handle_file(ff_pkt, pkt);
+ rtn_stat = handle_file(jcr, ff_pkt, top_level);
+ if (ff_pkt->linked) {
+ ff_pkt->linked->FileIndex = ff_pkt->FileIndex;
+ }
+ return rtn_stat;
}
-void term_find_one(FF_PKT *ff)
+int term_find_one(FF_PKT *ff)
{
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) {
- free(lc);
+ free(lc);
+ count++;
}
}
- return;
+ ff->linkhash[i] = NULL;
+ }
+ free(ff->linkhash);
+ ff->linkhash = NULL;
+ return count;
}
projects / bacula / bacula / blobdiff