Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Written by David MacKenzie <djm@gnu.ai.mit.edu> and Jim Meyering. */
-
-/*
+/*
* Modified by Kern Sibbald for use in Bacula, December 2000
*
* Version $Id$
*/
+/*
+ Bacula® - The Network Backup Solution
+
+ Copyright (C) 2000-2006 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 John Walker.
+ The licensor of Bacula is the Free Software Foundation Europe
+ (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
+ Switzerland, email:ftf@fsfeurope.org.
+*/
+
#include "bacula.h"
#include "jcr.h"
int _fail = restore_cwd(cwd, NULL, NULL);
free_cwd(cwd);
if (_fail) {
- return 1;
+ return 1;
}
}
return 0;
/* Attempt to create directory DIR (aka DIRPATH) with the specified MODE.
If CREATED_DIR_P is non-NULL, set *CREATED_DIR_P to non-zero if this
- function creates DIR and to zero otherwise. Give a diagnostic and
+ function creates DIR and to zero otherwise. Give a diagnostic and
return non-zero if DIR cannot be created or cannot be determined to
exist already. Use DIRPATH in any diagnostic, not DIR.
Note that if DIR already exists, this function will return zero
struct stat stats;
/* The mkdir and stat calls below may appear to be reversed.
- They are not. It is important to call mkdir first and then to
- call stat (to distinguish the three cases) only if mkdir fails.
+ They are not. It is important to call mkdir first and then to
+ call stat (to distinguish the three cases) only if mkdir fails.
The alternative to this approach is to `stat' each directory,
then to call mkdir if it doesn't exist. But if some other process
- were to create the directory between the stat & mkdir, the mkdir
- would fail with EEXIST. */
+ were to create the directory between the stat & mkdir, the mkdir
+ would fail with EEXIST. */
if (stat(dir, &stats)) {
- Jmsg(jcr, M_ERROR, 0, _("Cannot create directory %s: ERR=%s\n"),
- dirpath, strerror(save_errno));
- fail = 1;
+ berrno be;
+ be.set_errno(save_errno);
+ Jmsg(jcr, M_ERROR, 0, _("Cannot create directory %s: ERR=%s\n"),
+ dirpath, be.bstrerror());
+ fail = 1;
} else if (!S_ISDIR(stats.st_mode)) {
Jmsg(jcr, M_ERROR, 0, _("%s exists but is not a directory\n"), quote(dirpath));
- fail = 1;
+ fail = 1;
} else {
- /* DIR (aka DIRPATH) already exists and is a directory. */
+ /* DIR (aka DIRPATH) already exists and is a directory. */
}
}
}
/* return non-zero if path is absolute or zero if relative. */
-
int
isAbsolute(const char *path)
{
-#if defined(HAVE_CYGWIN) || defined(WIN32)
- return path[1] == ':' || *path == '/' || *path == '\\'; /* drivespec:/blah is absolute */
+#if defined(HAVE_WIN32)
+ return path[1] == ':' || IsPathSeparator(*path); /* drivespec:/blah is absolute */
#else
- return *path == '/';
-#endif
+ return IsPathSeparator(*path);
+#endif
}
-
+
/* Ensure that the directory ARGPATH exists.
Remove any trailing slashes from ARGPATH before calling this function.
Create any leading directories that don't already exist, with
permissions PARENT_MODE.
-
+
If the last element of ARGPATH does not exist, create it as
a new directory with permissions MODE.
int
make_path(
- JCR *jcr,
- const char *argpath,
- int mode,
- int parent_mode,
- uid_t owner,
- gid_t group,
- int preserve_existing,
- char *verbose_fmt_string)
+ JCR *jcr,
+ const char *argpath,
+ int mode,
+ int parent_mode,
+ uid_t owner,
+ gid_t group,
+ int preserve_existing,
+ char *verbose_fmt_string)
{
struct stat stats;
int retval = 0;
if (stat(argpath, &stats)) {
char *slash;
- int tmp_mode; /* Initial perms for leading dirs. */
- int re_protect; /* Should leading dirs be unwritable? */
+ int tmp_mode; /* Initial perms for leading dirs. */
+ int re_protect; /* Should leading dirs be unwritable? */
struct ptr_list {
- char *dirname_end;
- struct ptr_list *next;
+ char *dirname_end;
+ struct ptr_list *next;
};
struct ptr_list *p, *leading_dirs = NULL;
struct saved_cwd cwd;
strip_trailing_slashes(dirpath);
/* If leading directories shouldn't be writable or executable,
- or should have set[ug]id or sticky bits set and we are setting
- their owners, we need to fix their permissions after making them. */
+ or should have set[ug]id or sticky bits set and we are setting
+ their owners, we need to fix their permissions after making them. */
if (((parent_mode & WX_USR) != WX_USR)
- || ((owner != (uid_t)-1 || group != (gid_t)-1)
- && (parent_mode & (S_ISUID | S_ISGID | S_ISVTX)) != 0)) {
- tmp_mode = S_IRWXU;
- re_protect = 1;
+ || ((owner != (uid_t)-1 || group != (gid_t)-1)
+ && (parent_mode & (S_ISUID | S_ISGID | S_ISVTX)) != 0)) {
+ tmp_mode = S_IRWXU;
+ re_protect = 1;
} else {
- tmp_mode = parent_mode;
- re_protect = 0;
+ tmp_mode = parent_mode;
+ re_protect = 0;
}
-#if defined(HAVE_CYGWIN)
- /* Because of silly Win32 security, we allow everything */
- tmp_mode = S_IRWXUGO;
- re_protect = 0;
-#endif
+#if defined(HAVE_WIN32)
+ /* chdir can fail if permissions are sufficiently restricted since I don't think
+ backup/restore security rights affect ChangeWorkingDirectory */
+ cwd.do_chdir = 0;
+
+ /* Validate drive letter */
+ if (dirpath[1] == ':') {
+ char drive[4] = "X:\\";
+ drive[0] = dirpath[0];
+
+ UINT drive_type = GetDriveType(drive);
+
+ if (drive_type == DRIVE_UNKNOWN || drive_type == DRIVE_NO_ROOT_DIR) {
+ Jmsg(jcr, M_ERROR, 0, _("%c: is not a valid drive\n"), dirpath[0]);
+ return 1;
+ }
+
+ if (dirpath[2] == '\0') {
+ return 0;
+ }
+
+ slash = &dirpath[3];
+ } else {
+ slash = dirpath;
+ }
+#else
/* If we can record the current working directory, we may be able
- to do the chdir optimization. */
+ to do the chdir optimization. */
cwd.do_chdir = !save_cwd(&cwd);
+ slash = dirpath;
+#endif
+
/* If we've saved the cwd and DIRPATH is an absolute pathname,
we must chdir to `/' in order to enable the chdir optimization.
So if chdir ("/") fails, turn off the optimization. */
if (cwd.do_chdir && isAbsolute(dirpath) && (chdir("/") < 0)) {
- cwd.do_chdir = 0;
+ cwd.do_chdir = 0;
}
- slash = dirpath;
-
/* Skip over leading slashes. */
- while (*slash == '/')
- slash++;
-
- while (1) {
- int newly_created_dir;
- int fail;
+ while (IsPathSeparator(*slash))
+ slash++;
- /* slash points to the leftmost unprocessed component of dirpath. */
- basename_dir = slash;
+ for ( ; ; ) {
+ int newly_created_dir;
+ int fail;
- slash = strchr (slash, '/');
- if (slash == NULL) {
- break;
- }
+ /* slash points to the leftmost unprocessed component of dirpath. */
+ basename_dir = slash;
+ slash = first_path_separator(slash);
+ if (slash == NULL) {
+ break;
+ }
/* If we're *not* doing chdir before each mkdir, then we have to refer
- to the target using the full (multi-component) directory name. */
- if (!cwd.do_chdir) {
- basename_dir = dirpath;
- }
+ to the target using the full (multi-component) directory name. */
+ if (!cwd.do_chdir) {
+ basename_dir = dirpath;
+ }
*slash = '\0';
- fail = make_dir(jcr, basename_dir, dirpath, tmp_mode, &newly_created_dir);
- if (fail) {
- umask(oldmask);
- cleanup(&cwd);
- return 1;
- }
-
- if (newly_created_dir) {
+ fail = make_dir(jcr, basename_dir, dirpath, tmp_mode, &newly_created_dir);
+ if (fail) {
+ umask(oldmask);
+ cleanup(&cwd);
+ return 1;
+ }
+
+ if (newly_created_dir) {
Dmsg0(300, "newly_created_dir\n");
- if ((owner != (uid_t)-1 || group != (gid_t)-1)
- && chown(basename_dir, owner, group)
+ if ((owner != (uid_t)-1 || group != (gid_t)-1)
+ && chown(basename_dir, owner, group)
#if defined(AFS) && defined (EPERM)
- && errno != EPERM
+ && errno != EPERM
#endif
- ) {
- /* Note, if we are restoring as NON-root, this may not be fatal */
+ ) {
+ /* Note, if we are restoring as NON-root, this may not be fatal */
+ berrno be;
Jmsg(jcr, M_ERROR, 0, _("Cannot change owner and/or group of %s: ERR=%s\n"),
- quote(dirpath), strerror(errno));
- }
+ quote(dirpath), be.bstrerror());
+ }
Dmsg0(300, "Chown done.\n");
- if (re_protect) {
- struct ptr_list *pnew = (struct ptr_list *)
- alloca(sizeof (struct ptr_list));
- pnew->dirname_end = slash;
- pnew->next = leading_dirs;
- leading_dirs = pnew;
+ if (re_protect) {
+ struct ptr_list *pnew = (struct ptr_list *)
+ alloca(sizeof (struct ptr_list));
+ pnew->dirname_end = slash;
+ pnew->next = leading_dirs;
+ leading_dirs = pnew;
Dmsg0(300, "re_protect\n");
- }
- }
-
- /* If we were able to save the initial working directory,
- then we can use chdir to change into each directory before
- creating an entry in that directory. This avoids making
- stat and mkdir process O(n^2) file name components. */
- if (cwd.do_chdir && chdir(basename_dir) < 0) {
+ }
+ }
+
+ /* If we were able to save the initial working directory,
+ then we can use chdir to change into each directory before
+ creating an entry in that directory. This avoids making
+ stat and mkdir process O(n^2) file name components. */
+ if (cwd.do_chdir && chdir(basename_dir) < 0) {
+ berrno be;
Jmsg(jcr, M_ERROR, 0, _("Cannot chdir to directory, %s: ERR=%s\n"),
- quote(dirpath), strerror(errno));
- umask(oldmask);
- cleanup(&cwd);
- return 1;
- }
+ quote(dirpath), be.bstrerror());
+ umask(oldmask);
+ cleanup(&cwd);
+ return 1;
+ }
*slash++ = '/';
/* Avoid unnecessary calls to `stat' when given
- pathnames containing multiple adjacent slashes. */
- while (*slash == '/')
- slash++;
+ pathnames containing multiple adjacent slashes. */
+ while (IsPathSeparator(*slash))
+ slash++;
} /* end while (1) */
if (!cwd.do_chdir) {
- basename_dir = dirpath;
+ basename_dir = dirpath;
}
/* We're done making leading directories.
- Create the final component of the path. */
+ Create the final component of the path. */
Dmsg1(300, "Create final component. mode=%o\n", mode);
if (make_dir(jcr, basename_dir, dirpath, mode, NULL)) {
- umask(oldmask);
- cleanup(&cwd);
- return 1;
+ umask(oldmask);
+ cleanup(&cwd);
+ return 1;
}
/* Done creating directories. Restore original umask. */
umask(oldmask);
if (owner != (uid_t)-1 || group != (gid_t)-1) {
- if (chown(basename_dir, owner, group)
+ if (chown(basename_dir, owner, group)
#ifdef AFS
- && errno != EPERM
+ && errno != EPERM
#endif
- )
- {
+ )
+ {
+ berrno be;
Jmsg(jcr, M_WARNING, 0, _("Cannot change owner and/or group of %s: ERR=%s\n"),
- quote(dirpath), strerror(errno));
- }
+ quote(dirpath), be.bstrerror());
+ }
}
/* The above chown may have turned off some permission bits in MODE.
- Another reason we may have to use chmod here is that mkdir(2) is
- required to honor only the file permission bits. In particular,
+ Another reason we may have to use chmod here is that mkdir(2) is
+ required to honor only the file permission bits. In particular,
it need not honor the `special' bits, so if MODE includes any
- special bits, set them here. */
+ special bits, set them here. */
if (mode & ~S_IRWXUGO) {
Dmsg1(300, "Final chmod mode=%o\n", mode);
}
if ((mode & ~S_IRWXUGO) && chmod(basename_dir, mode)) {
- Jmsg(jcr, M_WARNING, 0, _("Cannot change permissions of %s: ERR=%s\n"),
- quote(dirpath), strerror(errno));
+ berrno be;
+ Jmsg(jcr, M_WARNING, 0, _("Cannot change permissions of %s: ERR=%s\n"),
+ quote(dirpath), be.bstrerror());
}
if (cleanup(&cwd)) {
- return 1;
+ return 1;
}
/* If the mode for leading directories didn't include owner "wx"
- privileges, we have to reset their protections to the correct
- value. */
+ privileges, we have to reset their protections to the correct
+ value. */
for (p = leading_dirs; p != NULL; p = p->next) {
*(p->dirname_end) = '\0';
Dmsg2(300, "Reset parent mode=%o dir=%s\n", parent_mode, dirpath);
- if (chmod(dirpath, parent_mode)) {
+ if (chmod(dirpath, parent_mode)) {
+ berrno be;
Jmsg(jcr, M_WARNING, 0, _("Cannot change permissions of %s: ERR=%s\n"),
- quote(dirpath), strerror(errno));
- }
+ quote(dirpath), be.bstrerror());
+ }
}
} else {
/* We get here if the entire path already exists. */
if (!S_ISDIR(stats.st_mode)) {
Jmsg(jcr, M_ERROR, 0, _("%s exists but is not a directory\n"), quote(dirpath));
- return 1;
+ return 1;
}
if (!preserve_existing) {
Dmsg0(300, "Do not preserve existing.\n");
- /* chown must precede chmod because on some systems,
- chown clears the set[ug]id bits for non-superusers,
- resulting in incorrect permissions.
- On System V, users can give away files with chown and then not
+ /* chown must precede chmod because on some systems,
+ chown clears the set[ug]id bits for non-superusers,
+ resulting in incorrect permissions.
+ On System V, users can give away files with chown and then not
be able to chmod them. So don't give files away. */
- if ((owner != (uid_t)-1 || group != (gid_t)-1)
- && chown(dirpath, owner, group)
+ if ((owner != (uid_t)-1 || group != (gid_t)-1)
+ && chown(dirpath, owner, group)
#ifdef AFS
- && errno != EPERM
+ && errno != EPERM
#endif
- ) {
+ ) {
+ berrno be;
Jmsg(jcr, M_WARNING, 0, _("Cannot change owner and/or group of %s: ERR=%s\n"),
- quote(dirpath), strerror(errno));
- }
- if (chmod(dirpath, mode)) {
+ quote(dirpath), be.bstrerror());
+ }
+ if (chmod(dirpath, mode)) {
+ berrno be;
Jmsg(jcr, M_WARNING, 0, _("Cannot change permissions of %s: ERR=%s\n"),
- quote(dirpath), strerror(errno));
- }
+ quote(dirpath), be.bstrerror());
+ }
Dmsg2(300, "pathexists chmod mode=%o dir=%s\n", mode, dirpath);
}
}
projects / bacula / bacula / blobdiff