X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/d39d60a129b82d0a2c99104538b2421de07dd67c..4e9c7fae8f6feb2fecaea811b318cf416d23dd9a:/flist.c

diff --git a/flist.c b/flist.c
index 2fdff344..d7a70a61 100644
--- a/flist.c
+++ b/flist.c
@@ -51,6 +51,7 @@ extern int preserve_links;
 extern int preserve_hard_links;
 extern int preserve_devices;
 extern int preserve_specials;
+extern int missing_args;
 extern int uid_ndx;
 extern int gid_ndx;
 extern int eol_nulls;
@@ -431,7 +432,7 @@ static void send_file_entry(int f, const char *fname, struct file_struct *file,
 			stats.num_symlinks++;
 		else if (IS_DEVICE(file->mode))
 			stats.num_devices++;
-		else
+		else if (IS_SPECIAL(file->mode))
 			stats.num_specials++;
 		xflags = 0;
 	}
@@ -793,7 +794,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
 	if (!(xflags & XMIT_SAME_MODE))
 		mode = from_wire_mode(read_int(f));
 
-	if (chmod_modes && !S_ISLNK(mode))
+	if (chmod_modes && !S_ISLNK(mode) && mode)
 		mode = tweak_mode(mode, chmod_modes);
 
 	if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
@@ -1124,8 +1125,10 @@ struct file_struct *make_file(const char *fname, struct file_list *flist,
 	if (sanitize_paths)
 		sanitize_path(thisname, thisname, "", 0, SP_DEFAULT);
 
-	if (stp && S_ISDIR(stp->st_mode)) {
-		st = *stp; /* Needed for "symlink/." with --relative. */
+	if (stp && (S_ISDIR(stp->st_mode) || stp->st_mode == 0)) {
+		/* This is needed to handle a "symlink/." with a --relative
+		 * dir, or a request to delete a specific file. */
+		st = *stp;
 		*linkname = '\0'; /* make IBM code checker happy */
 	} else if (readlink_stat(thisname, &st, linkname) != 0) {
 		int save_errno = errno;
@@ -1166,6 +1169,11 @@ struct file_struct *make_file(const char *fname, struct file_list *flist,
 				full_fname(thisname));
 		}
 		return NULL;
+	} else if (st.st_mode == 0) {
+		io_error |= IOERR_GENERAL;
+		rprintf(FINFO, "skipping file with bogus (zero) st_mode: %s\n",
+			full_fname(thisname));
+		return NULL;
 	}
 
 	if (filter_level == NO_FILTERS)
@@ -1364,7 +1372,7 @@ static struct file_struct *send_file_name(int f, struct file_list *flist,
 	if (!file)
 		return NULL;
 
-	if (chmod_modes && !S_ISLNK(file->mode))
+	if (chmod_modes && !S_ISLNK(file->mode) && file->mode)
 		file->mode = tweak_mode(file->mode, chmod_modes);
 
 	if (f >= 0) {
@@ -2169,14 +2177,26 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 		if (link_stat(fbuf, &st, copy_dirlinks || name_type != NORMAL_NAME) != 0
 		 || (name_type != DOTDIR_NAME && is_daemon_excluded(fbuf, S_ISDIR(st.st_mode)))
 		 || (relative_paths && path_is_daemon_excluded(fbuf, 1))) {
-			io_error |= IOERR_GENERAL;
-			rsyserr(FERROR_XFER, errno, "link_stat %s failed",
-				full_fname(fbuf));
-			continue;
+			if (errno != ENOENT || missing_args == 0) {
+				/* This is a transfer error, but inhibit deletion
+				 * only if we might be omitting an existing file. */
+				if (errno != ENOENT)
+					io_error |= IOERR_GENERAL;
+				rsyserr(FERROR_XFER, errno, "link_stat %s failed",
+					full_fname(fbuf));
+				continue;
+			} else if (missing_args == 1) {
+				/* Just ignore the arg. */
+				continue;
+			} else /* (missing_args == 2) */ {
+				/* Send the arg as a "missing" entry with
+				 * mode 0, which tells the generator to delete it. */
+				memset(&st, 0, sizeof st);
+			}
 		}
 
 		/* A dot-dir should not be excluded! */
-		if (name_type != DOTDIR_NAME
+		if (name_type != DOTDIR_NAME && st.st_mode != 0
 		 && is_excluded(fbuf, S_ISDIR(st.st_mode) != 0, ALL_FILTERS))
 			continue;
 
@@ -2310,7 +2330,8 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 			 * file-list to check if this is a 1-file xfer. */
 			send_extra_file_list(f, 1);
 		}
-	}
+	} else
+		flist_eof = 1;
 
 	return flist;
 }
@@ -2436,8 +2457,10 @@ struct file_list *recv_file_list(int f)
 
 	if (inc_recurse)
 		flist_done_allocating(flist);
-	else if (f >= 0)
+	else if (f >= 0) {
 		recv_id_list(f, flist);
+		flist_eof = 1;
+	}
 
 	flist_sort_and_clean(flist, relative_paths);
 
@@ -3083,7 +3106,7 @@ struct file_list *get_dirlist(char *dirname, int dlen, int ignore_filter_rules)
 
 	recurse = 0;
 	xfer_dirs = 1;
-	send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen, 0);
+	send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen, FLAG_CONTENT_DIR);
 	xfer_dirs = save_xfer_dirs;
 	recurse = save_recurse;
 	if (INFO_GTE(PROGRESS, 1))