X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/eb9b2e53c8d966f356454f1ba70ea5901674fedf..0f7e31f7d71e55e5d3bc809e58dbc045a72c4baf:/flist.c

diff --git a/flist.c b/flist.c
index 2ded8e6e..f06a6fff 100644
--- a/flist.c
+++ b/flist.c
@@ -35,7 +35,6 @@ extern int am_root;
 extern int am_server;
 extern int am_daemon;
 extern int am_sender;
-extern int delete_during;
 extern int always_checksum;
 extern int module_id;
 extern int ignore_errors;
@@ -81,7 +80,6 @@ static struct file_list *received_flist;
 static dev_t filesystem_dev; /* used to implement -x */
 static int deletion_count = 0; /* used to implement --max-delete */
 
-static int flist_find(struct file_list *flist, struct file_struct *f);
 static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
 static void output_flist(struct file_list *flist, const char *whose_list);
 
@@ -153,14 +151,14 @@ static void list_file_entry(struct file_struct *f)
 		rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
 			perms,
 			(double)f->length, timestring(f->modtime),
-			f_name(f), f->u.link);
+			safe_fname(f_name(f)), safe_fname(f->u.link));
 	} else
 #endif
 	{
 		rprintf(FINFO, "%s %11.0f %s %s\n",
 			perms,
 			(double)f->length, timestring(f->modtime),
-			f_name(f));
+			safe_fname(f_name(f)));
 	}
 }
 
@@ -194,7 +192,7 @@ static int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf)
 		if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) {
 			if (verbose > 1) {
 				rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n",
-					path, linkbuf);
+					safe_fname(path), safe_fname(linkbuf));
 			}
 			return do_stat(path, buffer);
 		}
@@ -554,7 +552,7 @@ static void receive_file_entry(struct file_list *flist, int ndx,
 	if (l2 >= MAXPATHLEN - l1) {
 		rprintf(FERROR,
 			"overflow: flags=0x%x l1=%d l2=%d lastname=%s\n",
-			flags, l1, l2, lastname);
+			flags, l1, l2, safe_fname(lastname));
 		overflow("receive_file_entry");
 	}
 
@@ -772,7 +770,8 @@ struct file_struct *make_file(char *fname, struct file_list *flist,
 
 	if (strlcpy(thisname, fname, sizeof thisname)
 	    >= sizeof thisname - flist_dir_len) {
-		rprintf(FINFO, "skipping overly long name: %s\n", fname);
+		rprintf(FINFO, "skipping overly long name: %s\n",
+			safe_fname(fname));
 		return NULL;
 	}
 	clean_fname(thisname, 0);
@@ -817,7 +816,7 @@ struct file_struct *make_file(char *fname, struct file_list *flist,
 		goto skip_filters;
 
 	if (S_ISDIR(st.st_mode) && !xfer_dirs) {
-		rprintf(FINFO, "skipping directory %s\n", thisname);
+		rprintf(FINFO, "skipping directory %s\n", safe_fname(thisname));
 		return NULL;
 	}
 
@@ -843,7 +842,7 @@ skip_filters:
 
 	if (verbose > 2) {
 		rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
-			who_am_i(), thisname, filter_level);
+			who_am_i(), safe_fname(thisname), filter_level);
 	}
 
 	if ((basename = strrchr(thisname, '/')) != NULL) {
@@ -1050,7 +1049,7 @@ static void send_directory(int f, struct file_list *flist,
 	if (errno) {
 		io_error |= IOERR_GENERAL;
 		*p = '\0';
-		rsyserr(FERROR, errno, "readdir(%s)", fbuf);
+		rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf));
 	}
 
 	closedir(d);
@@ -1139,7 +1138,8 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 		}
 
 		if (S_ISDIR(st.st_mode) && !xfer_dirs) {
-			rprintf(FINFO, "skipping directory %s\n", fname);
+			rprintf(FINFO, "skipping directory %s\n",
+				safe_fname(fname));
 			continue;
 		}
 
@@ -1318,7 +1318,7 @@ struct file_list *recv_file_list(int f)
 
 		if (verbose > 2) {
 			rprintf(FINFO, "recv_file_name(%s)\n",
-				f_name(flist->files[i]));
+				safe_fname(f_name(flist->files[i])));
 		}
 	}
 	receive_file_entry(NULL, 0, 0, 0); /* Signal that we're done. */
@@ -1372,7 +1372,7 @@ static int file_compare(struct file_struct **file1, struct file_struct **file2)
 }
 
 
-static int flist_find(struct file_list *flist, struct file_struct *f)
+int flist_find(struct file_list *flist, struct file_struct *f)
 {
 	int low = flist->low, high = flist->high;
 	int ret, mid, mid_up;
@@ -1474,7 +1474,7 @@ static void clean_flist(struct file_list *flist, int strip_root, int no_dups)
 			if (verbose > 1 && !am_server) {
 				rprintf(FINFO,
 					"removing duplicate name %s from file list %d\n",
-					f_name(flist->files[i]), i);
+					safe_fname(f_name(flist->files[i])), i);
 			}
 			/* Make sure that if we unduplicate '.', that we don't
 			 * lose track of a user-specified top directory. */
@@ -1527,7 +1527,7 @@ static void output_flist(struct file_list *flist, const char *whose_list)
 			sprintf(depthbuf, "%d", file->dir.depth);
 		rprintf(FINFO, "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n",
 			whose_list, i, am_sender ? NS(file->dir.root) : depthbuf,
-			file->dirname ? file->dirname : "",
+			file->dirname ? safe_fname(file->dirname) : "",
 			file->dirname ? "/" : "", NS(file->basename),
 			S_ISDIR(file->mode) ? "/" : "", (int)file->mode,
 			(double)file->length, uidbuf, gidbuf, file->flags);
@@ -1535,12 +1535,19 @@ static void output_flist(struct file_list *flist, const char *whose_list)
 }
 
 
-enum fnc_state { fnc_DIR, fnc_SLASH, fnc_BASE };
+enum fnc_state { fnc_DIR, fnc_SLASH, fnc_BASE, fnc_TRAILING };
 
-/* Compare the names of two file_struct entities, just like strcmp()
- * would do if it were operating on the joined strings.  We assume
- * that there are no 0-length strings.
- */
+/* Compare the names of two file_struct entities, similar to how strcmp()
+ * would do if it were operating on the joined strings.  The only difference
+ * is that, beginning with protocol_version 29, a directory name will always
+ * sort immediately prior to its contents (previously "foo." would sort in
+ * between directory "foo" and "foo/bar").  We do this by assuming that a dir
+ * has a trailing slash for comparison purposes, but only if we aren't about
+ * to match a file of the same name (because we need all identically named
+ * items to match each other).  The dirname component can be an empty string,
+ * but the basename component cannot (and never is in the current codebase).
+ * The basename component may be NULL, in which case it is sorted to the end
+ * of the list (as a removed item). */
 int f_name_cmp(struct file_struct *f1, struct file_struct *f2)
 {
 	int dif;
@@ -1590,6 +1597,11 @@ int f_name_cmp(struct file_struct *f1, struct file_struct *f2)
 				c1 = (uchar*)f1->basename;
 				break;
 			case fnc_BASE:
+				state1 = fnc_TRAILING;
+				if (protocol_version >= 29 && S_ISDIR(f1->mode))
+					c1 = (uchar*)"/";
+				break;
+			case fnc_TRAILING:
 				break;
 			}
 		}
@@ -1604,8 +1616,13 @@ int f_name_cmp(struct file_struct *f1, struct file_struct *f2)
 				c2 = (uchar*)f2->basename;
 				break;
 			case fnc_BASE:
-				if (!*c1)
+				if (state1 == fnc_TRAILING)
 					return 0;
+				state2 = fnc_TRAILING;
+				if (protocol_version >= 29 && S_ISDIR(f2->mode))
+					c2 = (uchar*)"/";
+				break;
+			case fnc_TRAILING:
 				break;
 			}
 		}
@@ -1736,8 +1753,7 @@ void delete_missing(struct file_list *full_list, struct file_list *dir_list,
 			continue;
 		mode = dir_list->files[i]->mode;
 		if ((j = flist_find(full_list, dir_list->files[i])) < 0
-		    || (delete_during && S_ISDIR(mode)
-		     && !S_ISDIR(full_list->files[j]->mode))) {
+		    || (S_ISDIR(mode) && !S_ISDIR(full_list->files[j]->mode))) {
 			char *f = f_name(dir_list->files[i]);
 			if (make_backups && (backup_dir || !is_backup_file(f))
 			  && !S_ISDIR(mode)) {