*
*/
/*
- Copyright (C) 2000-2003 Kern Sibbald and John Walker
+ 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 as
- published by the Free Software Foundation; either version 2 of
- the License, or (at your option) any later version.
+ 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 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.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ the file LICENSE for additional details.
*/
#endif
static int separate_path_and_file(JCR *jcr, char *fname, char *ofile);
-static int path_already_seen(char *path, int pnl);
+static int path_already_seen(JCR *jcr, char *path, int pnl);
/*
* Create the file, or the directory
*
- * fname is the original filename
+ * fname is the original filename
* ofile is the output filename (may be in a different directory)
*
- * Returns: CF_SKIP if file should be skipped
- * CF_ERROR on error
- * CF_EXTRACT file created and data to restore
- * CF_CREATED file created no data to restore
+ * Returns: CF_SKIP if file should be skipped
+ * CF_ERROR on error
+ * CF_EXTRACT file created and data to restore
+ * CF_CREATED file created no data to restore
*
* Note, we create the file here, except for special files,
- * we do not set the attributes because we want to first
+ * we do not set the attributes because we want to first
* write the file, then when the writing is done, set the
* attributes.
- * So, we return with the file descriptor open for normal
+ * So, we return with the file descriptor open for normal
* files.
*
*/
-int create_file(JCR *jcr, char *fname, char *ofile, char *lname,
- int type, int stream, struct stat *statp,
- char *attribsEx, BFILE *ofd, int replace)
+int create_file(JCR *jcr, ATTR *attr, BFILE *bfd, int replace)
{
int new_mode, parent_mode, mode;
uid_t uid;
gid_t gid;
int pnl;
+ bool exists = false;
+ struct stat mstatp;
+
+ if (is_win32_stream(attr->data_stream)) {
+ set_win32_backup(bfd);
+ } else {
+ set_portable_backup(bfd);
+ }
- binit(ofd);
- new_mode = statp->st_mode;
- Dmsg2(300, "newmode=%x file=%s\n", new_mode, ofile);
+ new_mode = attr->statp.st_mode;
+ Dmsg2(300, "newmode=%x file=%s\n", new_mode, attr->ofname);
parent_mode = S_IWUSR | S_IXUSR | new_mode;
- gid = statp->st_gid;
- uid = statp->st_uid;
+ gid = attr->statp.st_gid;
+ uid = attr->statp.st_uid;
Dmsg2(400, "Replace=%c %d\n", (char)replace, replace);
- /* If not always replacing, do a stat and decide */
- if (replace != REPLACE_ALWAYS) {
- struct stat mstatp;
- if (lstat(ofile, &mstatp) == 0) {
- switch (replace) {
- case REPLACE_IFNEWER:
- if (statp->st_mtime <= mstatp.st_mtime) {
- Jmsg(jcr, M_SKIPPED, 0, _("File skipped. Not newer: %s\n"), ofile);
- return CF_SKIP;
- }
- break;
- case REPLACE_IFOLDER:
- if (statp->st_mtime >= mstatp.st_mtime) {
- Jmsg(jcr, M_SKIPPED, 0, _("File skipped. Not older: %s\n"), ofile);
- return CF_SKIP;
- }
- break;
- case REPLACE_NEVER:
- Jmsg(jcr, M_SKIPPED, 0, _("File skipped. Already exists: %s\n"), ofile);
- return CF_SKIP;
- }
+ if (lstat(attr->ofname, &mstatp) == 0) {
+ exists = true;
+ switch (replace) {
+ case REPLACE_IFNEWER:
+ if (attr->statp.st_mtime <= mstatp.st_mtime) {
+ Jmsg(jcr, M_SKIPPED, 0, _("File skipped. Not newer: %s\n"), attr->ofname);
+ return CF_SKIP;
+ }
+ break;
+
+ case REPLACE_IFOLDER:
+ if (attr->statp.st_mtime >= mstatp.st_mtime) {
+ Jmsg(jcr, M_SKIPPED, 0, _("File skipped. Not older: %s\n"), attr->ofname);
+ return CF_SKIP;
+ }
+ break;
+
+ case REPLACE_NEVER:
+ Jmsg(jcr, M_SKIPPED, 0, _("File skipped. Already exists: %s\n"), attr->ofname);
+ return CF_SKIP;
+
+ case REPLACE_ALWAYS:
+ break;
}
}
- switch (type) {
- case FT_LNKSAVED: /* Hard linked, file already saved */
+ switch (attr->type) {
+ case FT_LNKSAVED: /* Hard linked, file already saved */
case FT_LNK:
case FT_RAW:
case FT_FIFO:
case FT_SPEC:
- case FT_REGE: /* empty file */
- case FT_REG: /* regular file */
+ case FT_REGE: /* empty file */
+ case FT_REG: /* regular file */
/*
+ * Note, we do not delete FT_RAW because these are device files
+ * or FIFOs that should already exist. If we blow it away,
+ * we may blow away a FIFO that is being used to read the
+ * restore data, or we may blow away a partition definition.
+ */
+ if (exists && attr->type != FT_RAW && attr->type != FT_FIFO) {
+ /* Get rid of old copy */
+ if (unlink(attr->ofname) == -1) {
+ berrno be;
+ Jmsg(jcr, M_ERROR, 0, _("File %s already exists and could not be replaced. ERR=%s.\n"),
+ attr->ofname, be.strerror());
+ /* Continue despite error */
+ }
+ }
+ /*
* Here we do some preliminary work for all the above
* types to create the path to the file if it does
* not already exist. Below, we will split to
* do the file type specific work
*/
- pnl = separate_path_and_file(jcr, fname, ofile);
+ pnl = separate_path_and_file(jcr, attr->fname, attr->ofname);
if (pnl < 0) {
- return CF_ERROR;
+ return CF_ERROR;
}
/*
* directory. Assume that the directory already exists.
*/
if (pnl > 0) {
- char savechr;
- savechr = ofile[pnl];
- ofile[pnl] = 0; /* terminate path */
+ char savechr;
+ savechr = attr->ofname[pnl];
+ attr->ofname[pnl] = 0; /* terminate path */
- if (!path_already_seen(ofile, pnl)) {
- Dmsg1(50, "Make path %s\n", ofile);
- /*
- * If we need to make the directory, ensure that it is with
- * execute bit set (i.e. parent_mode), and preserve what already
- * exists. Normally, this should do nothing.
- */
- if (make_path(jcr, ofile, parent_mode, parent_mode, uid, gid, 1, NULL) != 0) {
- Dmsg1(0, "Could not make path. %s\n", ofile);
- return CF_ERROR;
- }
- }
- ofile[pnl] = savechr; /* restore full name */
+ if (!path_already_seen(jcr, attr->ofname, pnl)) {
+ Dmsg1(100, "Make path %s\n", attr->ofname);
+ /*
+ * If we need to make the directory, ensure that it is with
+ * execute bit set (i.e. parent_mode), and preserve what already
+ * exists. Normally, this should do nothing.
+ */
+ if (make_path(jcr, attr->ofname, parent_mode, parent_mode, uid, gid, 1, NULL) != 0) {
+ Dmsg1(10, "Could not make path. %s\n", attr->ofname);
+ attr->ofname[pnl] = savechr; /* restore full name */
+ return CF_ERROR;
+ }
+ }
+ attr->ofname[pnl] = savechr; /* restore full name */
}
/* Now we do the specific work for each file type */
- switch(type) {
+ switch(attr->type) {
case FT_REGE:
case FT_REG:
- Dmsg1(100, "Create file %s\n", ofile);
- mode = O_WRONLY | O_CREAT | O_TRUNC | O_BINARY; /* O_NOFOLLOW; */
- if (IS_CTG(statp->st_mode)) {
- mode |= O_CTG; /* set contiguous bit if needed */
- }
- Dmsg1(50, "Create file: %s\n", ofile);
- if ((bopen(ofd, ofile, mode, S_IRUSR | S_IWUSR)) < 0) {
- Jmsg2(jcr, M_ERROR, 0, _("Could not create %s: ERR=%s\n"),
- ofile, berror(ofd));
- return CF_ERROR;
- }
- return CF_EXTRACT;
-
- case FT_RAW: /* Bacula raw device e.g. /dev/sda1 */
- case FT_FIFO: /* Bacula fifo to save data */
- case FT_SPEC:
- if (S_ISFIFO(statp->st_mode)) {
- Dmsg1(200, "Restore fifo: %s\n", ofile);
- if (mkfifo(ofile, statp->st_mode) != 0 && errno != EEXIST) {
- Jmsg2(jcr, M_ERROR, 0, _("Cannot make fifo %s: ERR=%s\n"),
- ofile, strerror(errno));
- return CF_ERROR;
- }
- } else {
- Dmsg1(200, "Restore node: %s\n", ofile);
- if (mknod(ofile, statp->st_mode, statp->st_rdev) != 0 && errno != EEXIST) {
- Jmsg2(jcr, M_ERROR, 0, _("Cannot make node %s: ERR=%s\n"),
- ofile, strerror(errno));
- return CF_ERROR;
- }
- }
- if (type == FT_RAW || type == FT_FIFO) {
- btimer_id tid;
- Dmsg1(200, "FT_RAW|FT_FIFO %s\n", ofile);
- mode = O_WRONLY | O_BINARY;
- /* Timeout open() in 60 seconds */
- if (type == FT_FIFO) {
- tid = start_thread_timer(pthread_self(), 60);
- } else {
- tid = NULL;
- }
- if ((bopen(ofd, ofile, mode, 0)) < 0) {
- Jmsg2(jcr, M_ERROR, 0, _("Could not open %s: ERR=%s\n"),
- ofile, berror(ofd));
- stop_thread_timer(tid);
- return CF_ERROR;
- }
- stop_thread_timer(tid);
- return CF_EXTRACT;
- }
- Dmsg1(200, "FT_SPEC %s\n", ofile);
- return CF_CREATED;
+ Dmsg1(100, "Create file %s\n", attr->ofname);
+ mode = O_WRONLY | O_CREAT | O_TRUNC | O_BINARY; /* O_NOFOLLOW; */
+ if (IS_CTG(attr->statp.st_mode)) {
+ mode |= O_CTG; /* set contiguous bit if needed */
+ }
+ Dmsg1(50, "Create file: %s\n", attr->ofname);
+ if (is_bopen(bfd)) {
+ Jmsg1(jcr, M_ERROR, 0, _("bpkt already open fid=%d\n"), bfd->fid);
+ bclose(bfd);
+ }
+ /*
+ * If the open fails, we attempt to cd into the directory
+ * and create the file with a relative path rather than
+ * the full absolute path. This is for Win32 where
+ * path names may be too long to create.
+ */
+ if ((bopen(bfd, attr->ofname, mode, S_IRUSR | S_IWUSR)) < 0) {
+ berrno be;
+ int stat;
+ Dmsg2(000, "bopen failed errno=%d: ERR=%s\n", bfd->berrno,
+ be.strerror(bfd->berrno));
+ if (strlen(attr->ofname) > 250) { /* Microsoft limitation */
+ char savechr;
+ char *p, *e;
+ struct saved_cwd cwd;
+ savechr = attr->ofname[pnl];
+ attr->ofname[pnl] = 0; /* terminate path */
+ Dmsg1(000, "Do chdir %s\n", attr->ofname);
+ if (save_cwd(&cwd) != 0) {
+ Jmsg0(jcr, M_ERROR, 0, _("Could not save_dirn"));
+ attr->ofname[pnl] = savechr;
+ return CF_ERROR;
+ }
+ p = attr->ofname;
+ while ((e = strchr(p, '/'))) {
+ *e = 0;
+ if (chdir(p) < 0) {
+ berrno be;
+ Jmsg2(jcr, M_ERROR, 0, _("Could not chdir to %s: ERR=%s\n"),
+ attr->ofname, be.strerror());
+ restore_cwd(&cwd, NULL, NULL);
+ free_cwd(&cwd);
+ attr->ofname[pnl] = savechr;
+ *e = '/';
+ return CF_ERROR;
+ }
+ *e = '/';
+ p = e + 1;
+ }
+ if (chdir(p) < 0) {
+ berrno be;
+ Jmsg2(jcr, M_ERROR, 0, _("Could not chdir to %s: ERR=%s\n"),
+ attr->ofname, be.strerror());
+ restore_cwd(&cwd, NULL, NULL);
+ free_cwd(&cwd);
+ attr->ofname[pnl] = savechr;
+ return CF_ERROR;
+ }
+ attr->ofname[pnl] = savechr;
+ Dmsg1(000, "Do open %s\n", &attr->ofname[pnl+1]);
+ if ((bopen(bfd, &attr->ofname[pnl+1], mode, S_IRUSR | S_IWUSR)) < 0) {
+ stat = CF_ERROR;
+ } else {
+ stat = CF_EXTRACT;
+ }
+ restore_cwd(&cwd, NULL, NULL);
+ free_cwd(&cwd);
+ if (stat == CF_EXTRACT) {
+ return CF_EXTRACT;
+ }
+ }
+ Jmsg2(jcr, M_ERROR, 0, _("Could not create %s: ERR=%s\n"),
+ attr->ofname, be.strerror(bfd->berrno));
+ return CF_ERROR;
+ }
+ return CF_EXTRACT;
+#ifndef HAVE_WIN32 // none of these exists on MS Windows
+ case FT_RAW: /* Bacula raw device e.g. /dev/sda1 */
+ case FT_FIFO: /* Bacula fifo to save data */
+ case FT_SPEC:
+ if (S_ISFIFO(attr->statp.st_mode)) {
+ Dmsg1(200, "Restore fifo: %s\n", attr->ofname);
+ if (mkfifo(attr->ofname, attr->statp.st_mode) != 0 && errno != EEXIST) {
+ berrno be;
+ Jmsg2(jcr, M_ERROR, 0, _("Cannot make fifo %s: ERR=%s\n"),
+ attr->ofname, be.strerror());
+ return CF_ERROR;
+ }
+ } else {
+ Dmsg1(200, "Restore node: %s\n", attr->ofname);
+ if (mknod(attr->ofname, attr->statp.st_mode, attr->statp.st_rdev) != 0 && errno != EEXIST) {
+ berrno be;
+ Jmsg2(jcr, M_ERROR, 0, _("Cannot make node %s: ERR=%s\n"),
+ attr->ofname, be.strerror());
+ return CF_ERROR;
+ }
+ }
+ if (attr->type == FT_RAW || attr->type == FT_FIFO) {
+ btimer_t *tid;
+ Dmsg1(200, "FT_RAW|FT_FIFO %s\n", attr->ofname);
+ mode = O_WRONLY | O_BINARY;
+ /* Timeout open() in 60 seconds */
+ if (attr->type == FT_FIFO) {
+ tid = start_thread_timer(pthread_self(), 60);
+ } else {
+ tid = NULL;
+ }
+ if (is_bopen(bfd)) {
+ Jmsg1(jcr, M_ERROR, 0, _("bpkt already open fid=%d\n"), bfd->fid);
+ }
+ if ((bopen(bfd, attr->ofname, mode, 0)) < 0) {
+ berrno be;
+ be.set_errno(bfd->berrno);
+ Jmsg2(jcr, M_ERROR, 0, _("Could not open %s: ERR=%s\n"),
+ attr->ofname, be.strerror());
+ stop_thread_timer(tid);
+ return CF_ERROR;
+ }
+ stop_thread_timer(tid);
+ return CF_EXTRACT;
+ }
+ Dmsg1(200, "FT_SPEC %s\n", attr->ofname);
+ return CF_CREATED;
case FT_LNK:
- Dmsg2(130, "FT_LNK should restore: %s -> %s\n", ofile, lname);
- if (symlink(lname, ofile) != 0 && errno != EEXIST) {
+ Dmsg2(130, "FT_LNK should restore: %s -> %s\n", attr->ofname, attr->olname);
+ if (symlink(attr->olname, attr->ofname) != 0 && errno != EEXIST) {
+ berrno be;
Jmsg3(jcr, M_ERROR, 0, _("Could not symlink %s -> %s: ERR=%s\n"),
- ofile, lname, strerror(errno));
- return CF_ERROR;
- }
- return CF_CREATED;
-
- case FT_LNKSAVED: /* Hard linked, file already saved */
- Dmsg2(130, "Hard link %s => %s\n", ofile, lname);
- if (link(lname, ofile) != 0) {
- Jmsg3(jcr, M_ERROR, 0, _("Could not hard link %s -> %s: ERR=%s\n"),
- ofile, lname, strerror(errno));
- return CF_ERROR;
- }
- return CF_CREATED;
+ attr->ofname, attr->olname, be.strerror());
+ return CF_ERROR;
+ }
+ return CF_CREATED;
+ case FT_LNKSAVED: /* Hard linked, file already saved */
+ Dmsg2(130, "Hard link %s => %s\n", attr->ofname, attr->olname);
+ if (link(attr->olname, attr->ofname) != 0) {
+ berrno be;
+ Jmsg3(jcr, M_ERROR, 0, _("Could not hard link %s -> %s: ERR=%s\n"),
+ attr->ofname, attr->olname, be.strerror());
+ return CF_ERROR;
+ }
+ return CF_CREATED;
+#endif
} /* End inner switch */
- case FT_DIR:
- Dmsg2(300, "Make dir mode=%o dir=%s\n", new_mode, ofile);
- if (make_path(jcr, ofile, new_mode, parent_mode, uid, gid, 0, NULL) != 0) {
- return CF_ERROR;
+ case FT_DIRBEGIN:
+ case FT_DIREND:
+ Dmsg2(200, "Make dir mode=%o dir=%s\n", new_mode, attr->ofname);
+ if (make_path(jcr, attr->ofname, new_mode, parent_mode, uid, gid, 0, NULL) != 0) {
+ return CF_ERROR;
}
/*
* If we are using the Win32 Backup API, we open the
* directory so that the security info will be read
* and saved.
*/
- if (is_win32_backup()) {
- if ((bopen(ofd, ofile, O_WRONLY|O_BINARY, 0)) < 0) {
- Jmsg2(jcr, M_ERROR, 0, _("Could not open %s: ERR=%s\n"),
- ofile, berror(ofd));
- return CF_ERROR;
- }
- return CF_EXTRACT;
+ if (!is_portable_backup(bfd)) {
+ if (is_bopen(bfd)) {
+ Jmsg1(jcr, M_ERROR, 0, _("bpkt already open fid=%d\n"), bfd->fid);
+ }
+ if ((bopen(bfd, attr->ofname, O_WRONLY|O_BINARY, 0)) < 0) {
+ berrno be;
+ be.set_errno(bfd->berrno);
+#ifdef HAVE_WIN32
+ /* Check for trying to create a drive, if so, skip */
+ if (attr->ofname[1] == ':' && attr->ofname[2] == '/' && attr->ofname[3] == 0) {
+ return CF_SKIP;
+ }
+#endif
+ Jmsg2(jcr, M_ERROR, 0, _("Could not open %s: ERR=%s\n"),
+ attr->ofname, be.strerror());
+ return CF_ERROR;
+ }
+ return CF_EXTRACT;
} else {
- return CF_CREATED;
+ return CF_CREATED;
}
/* The following should not occur */
case FT_NORECURSE:
case FT_NOFSCHG:
case FT_NOOPEN:
- Jmsg2(jcr, M_ERROR, 0, _("Original file %s not saved: type=%d\n"), fname, type);
+ Jmsg2(jcr, M_ERROR, 0, _("Original file %s not saved: type=%d\n"), attr->fname, attr->type);
+ break;
default:
- Jmsg2(jcr, M_ERROR, 0, _("Unknown file type %d; not restored: %s\n"), type, fname);
+ Jmsg2(jcr, M_ERROR, 0, _("Unknown file type %d; not restored: %s\n"), attr->type, attr->fname);
+ break;
}
return CF_ERROR;
}
/*
* Returns: > 0 index into path where last path char is.
- * 0 no path
- * -1 filename is zero length
- */
+ * 0 no path
+ * -1 filename is zero length
+ */
static int separate_path_and_file(JCR *jcr, char *fname, char *ofile)
{
- char *f, *p;
+ char *f, *p, *q;
int fnl, pnl;
/* Separate pathname and filename */
- for (p=f=ofile; *p; p++) {
+ for (q=p=f=ofile; *p; p++) {
if (*p == '/') {
- f = p; /* possible filename */
+ f = q; /* possible filename */
}
+#ifdef HAVE_WIN32
+ if (*p == '\\') { /* strip backslashes on Win32 */
+ continue;
+ }
+ *q++ = *p; /* copy data */
+#else
+ q++;
+#endif
}
+
if (*f == '/') {
f++;
}
+ *q = 0; /* terminate string */
- fnl = p - f;
+ fnl = q - f;
if (fnl == 0) {
/* The filename length must not be zero here because we
* are dealing with a file (i.e. FT_REGE or FT_REG).
Jmsg1(jcr, M_ERROR, 0, _("Zero length filename: %s\n"), fname);
return -1;
}
- pnl = f - ofile - 1;
+ pnl = f - ofile - 1;
return pnl;
}
-static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-
-/*
- * Primitive caching of path to prevent recreating a pathname
+/*
+ * Primitive caching of path to prevent recreating a pathname
* each time as long as we remain in the same directory.
*/
-static int path_already_seen(char *path, int pnl)
+static int path_already_seen(JCR *jcr, char *path, int pnl)
{
- static int cached_pnl = 0;
- static char cached_path[1000];
-
- P(mutex);
- if (cached_pnl == pnl && strcmp(path, cached_path) == 0) {
- V(mutex);
- return 1;
+ if (!jcr->cached_path) {
+ jcr->cached_path = get_pool_memory(PM_FNAME);
}
- if (pnl < (int)(sizeof(cached_path)-1)) {
- strcpy(cached_path, path);
- cached_pnl = pnl;
+ if (jcr->cached_pnl == pnl && strcmp(path, jcr->cached_path) == 0) {
+ return 1;
}
- V(mutex);
+ pm_strcpy(jcr->cached_path, path);
+ jcr->cached_pnl = pnl;
return 0;
}
projects / bacula / bacula / blobdiff