X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/b2e6caa01edf3a85f6fb1c1a3f02870ae5a4a8e6..0f78b81511be65d8fe21af1e6ac674f9e80ac29d:/backup.c

diff --git a/backup.c b/backup.c
index 84715db8..b8223583 100644
--- a/backup.c
+++ b/backup.c
@@ -1,27 +1,27 @@
 /*
-   Copyright (C) Andrew Tridgell 1999
-
-   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.
-
-   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., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/* backup handling code */
+ * Backup handling code.
+ *
+ * Copyright (C) 1999 Andrew Tridgell
+ * Copyright (C) 2003, 2004, 2005, 2006 Wayne Davison
+ *
+ * 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.
+ *
+ * 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
+ */
 
 #include "rsync.h"
 
 extern int verbose;
-extern int backup_suffix_len;
 extern int backup_dir_len;
 extern unsigned int backup_dir_remainder;
 extern char backup_dir_buf[MAXPATHLEN];
@@ -30,9 +30,8 @@ extern char *backup_dir;
 
 extern int am_root;
 extern int preserve_devices;
+extern int preserve_specials;
 extern int preserve_links;
-extern int preserve_hard_links;
-extern int orig_umask;
 extern int safe_symlinks;
 
 /* make a complete pathname for backup file */
@@ -65,8 +64,7 @@ static int make_simple_backup(char *fname)
 		if (do_rename(fname, fnamebak) == 0) {
 			if (verbose > 1) {
 				rprintf(FINFO, "backed up %s to %s\n",
-					safe_fname(fname),
-					safe_fname(fnamebak));
+					fname, fnamebak);
 			}
 			break;
 		}
@@ -81,7 +79,7 @@ static int make_simple_backup(char *fname)
 			continue;
 
 		rsyserr(FERROR, rename_errno, "rename %s to backup %s",
-			safe_fname(fname), safe_fname(fnamebak));
+			fname, fnamebak);
 		errno = rename_errno;
 		return 0;
 	}
@@ -112,7 +110,7 @@ static int make_bak_dir(char *fullpath)
 		}
 		if (*p == '/') {
 			*p = '\0';
-			if (do_mkdir(fullpath, 0777 & ~orig_umask) == 0)
+			if (mkdir_defmode(fullpath) == 0)
 				break;
 			if (errno != ENOENT) {
 				rsyserr(FERROR, errno,
@@ -141,7 +139,7 @@ static int make_bak_dir(char *fullpath)
 		p += strlen(p);
 		if (p == end)
 			break;
-		if (do_mkdir(fullpath, 0777 & ~orig_umask) < 0) {
+		if (mkdir_defmode(fullpath) < 0) {
 			rsyserr(FERROR, errno, "make_bak_dir mkdir %s failed",
 				full_fname(fullpath));
 			goto failure;
@@ -160,8 +158,9 @@ static int make_bak_dir(char *fullpath)
 /* robustly move a file, creating new directory structures if necessary */
 static int robust_move(char *src, char *dst)
 {
-	if (robust_rename(src, dst, 0755) < 0 && (errno != ENOENT
-	    || make_bak_dir(dst) < 0 || robust_rename(src, dst, 0755) < 0))
+	if (robust_rename(src, dst, NULL, 0755) < 0
+	 && (errno != ENOENT || make_bak_dir(dst) < 0
+	  || robust_rename(src, dst, NULL, 0755) < 0))
 		return -1;
 	return 0;
 }
@@ -181,14 +180,15 @@ static int keep_backup(char *fname)
 	if (do_lstat(fname, &st) < 0)
 		return 1;
 
-	if (!(file = make_file(fname, NULL, NO_FILTERS)))
+	if (!(file = make_file(fname, NULL, NULL, 0, NO_FILTERS)))
 		return 1; /* the file could have disappeared */
 
 	if (!(buf = get_backup_name(fname)))
 		return 0;
 
 	/* Check to see if this is a device file, or link */
-	if (IS_DEVICE(file->mode) && am_root && preserve_devices) {
+	if ((am_root && preserve_devices && IS_DEVICE(file->mode))
+	 || (preserve_specials && IS_SPECIAL(file->mode))) {
 		do_unlink(buf);
 		if (do_mknod(buf, file->mode, file->u.rdev) < 0
 		    && (errno != ENOENT || make_bak_dir(buf) < 0
@@ -197,7 +197,7 @@ static int keep_backup(char *fname)
 				full_fname(buf));
 		} else if (verbose > 2) {
 			rprintf(FINFO, "make_backup: DEVICE %s successful.\n",
-				safe_fname(fname));
+				fname);
 		}
 		kept = 1;
 		do_unlink(fname);
@@ -235,7 +235,7 @@ static int keep_backup(char *fname)
 			     || do_symlink(file->u.link, buf) < 0)) {
 				rsyserr(FERROR, errno, "link %s -> \"%s\"",
 					full_fname(buf),
-					safe_fname(file->u.link));
+					file->u.link);
 			}
 			do_unlink(fname);
 			kept = 1;
@@ -245,7 +245,7 @@ static int keep_backup(char *fname)
 
 	if (!kept && !S_ISREG(file->mode)) {
 		rprintf(FINFO, "make_bak: skipping non-regular file %s\n",
-			safe_fname(fname));
+			fname);
 		return 1;
 	}
 
@@ -253,19 +253,19 @@ static int keep_backup(char *fname)
 	if (!kept) {
 		if (robust_move(fname, buf) != 0) {
 			rsyserr(FERROR, errno, "keep_backup failed: %s -> \"%s\"",
-				full_fname(fname), safe_fname(buf));
+				full_fname(fname), buf);
 		} else if (st.st_nlink > 1) {
 			/* If someone has hard-linked the file into the backup
 			 * dir, rename() might return success but do nothing! */
 			robust_unlink(fname); /* Just in case... */
 		}
 	}
-	set_perms(buf, file, NULL, 0);
+	set_file_attrs(buf, file, NULL, 0);
 	free(file);
 
 	if (verbose > 1) {
 		rprintf(FINFO, "backed up %s to %s\n",
-			safe_fname(fname), safe_fname(buf));
+			fname, buf);
 	}
 	return 1;
 }