X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/7820fa949fbfdb61f5987acfd191538c74d46255..ee8a733d6fed612ffb8cdafbbcc9b7db016b1a3d:/compat.c

diff --git a/compat.c b/compat.c
index 3750ff97..95dd3074 100644
--- a/compat.c
+++ b/compat.c
@@ -48,25 +48,21 @@ extern int preserve_acls;
 extern int preserve_xattrs;
 extern int need_messages_from_generator;
 extern int delete_mode, delete_before, delete_during, delete_after;
-extern int delete_excluded;
-extern int make_backups;
 extern char *shell_cmd; /* contains VER.SUB string if client is a pre-release */
-extern char *backup_dir, *backup_suffix;
 extern char *partial_dir;
 extern char *dest_option;
 extern char *files_from;
 extern char *filesfrom_host;
 extern struct filter_list_struct filter_list;
+extern int need_unsorted_flist;
 #ifdef ICONV_OPTION
-extern char *iconv_opt;
 extern iconv_t ic_send, ic_recv;
 #endif
 
 /* These index values are for the file-list's extra-attribute array. */
-int uid_ndx, gid_ndx, acls_ndx, xattrs_ndx;
-#ifdef ICONV_OPTION
-int ic_ndx;
+int uid_ndx, gid_ndx, acls_ndx, xattrs_ndx, unsort_ndx;
 
+#ifdef ICONV_OPTION
 int filesfrom_convert = 0;
 #endif
 
@@ -105,10 +101,23 @@ static void check_sub_protocol(void)
 		protocol_version--;
 }
 
+void set_allow_inc_recurse(void)
+{
+	if (!recurse || use_qsort)
+		allow_inc_recurse = 0;
+	else if (!am_sender
+	 && (delete_before || delete_after
+	  || delay_updates || prune_empty_dirs))
+		allow_inc_recurse = 0;
+	else if (am_server && !local_server
+	 && (!shell_cmd || strchr(shell_cmd, 'i') == NULL))
+		allow_inc_recurse = 0;
+}
+
 void setup_protocol(int f_out,int f_in)
 {
 	if (am_sender)
-		file_extra_cnt += PTR_EXTRA_LEN;
+		file_extra_cnt += PTR_EXTRA_CNT;
 	else
 		file_extra_cnt++;
 	if (preserve_uid)
@@ -120,6 +129,9 @@ void setup_protocol(int f_out,int f_in)
 	if (preserve_xattrs)
 		xattrs_ndx = ++file_extra_cnt;
 
+	if (am_server)
+		set_allow_inc_recurse();
+
 	if (remote_protocol == 0) {
 		if (am_server && !local_server)
 			check_sub_protocol();
@@ -219,17 +231,23 @@ void setup_protocol(int f_out,int f_in)
 			exit_cleanup(RERR_PROTOCOL);
 		}
 	} else if (protocol_version >= 30) {
-		if (recurse && allow_inc_recurse
-		 && !delete_before && !delete_after && !delay_updates
-		 && !use_qsort && !prune_empty_dirs)
-			inc_recurse = 1;
+		if (am_server) {
+			inc_recurse = allow_inc_recurse;
+			write_byte(f_out, inc_recurse);
+		} else
+			inc_recurse = read_byte(f_in);
+		if (inc_recurse && !allow_inc_recurse) {
+			/* This should only be able to happen in a batch. */
+			fprintf(stderr,
+			    "Incompatible options specified for inc-recursive %s.\n",
+			    read_batch ? "batch file" : "connection");
+			exit_cleanup(RERR_SYNTAX);
+		}
 		need_messages_from_generator = 1;
 	}
 
-#ifdef ICONV_OPTION
-	if (iconv_opt && (!am_sender || inc_recurse))
-		ic_ndx = ++file_extra_cnt;
-#endif
+	if (need_unsorted_flist && (!am_sender || inc_recurse))
+		unsort_ndx = ++file_extra_cnt;
 
 	if (partial_dir && *partial_dir != '/' && (!am_server || local_server)) {
 		int flags = MATCHFLG_NO_PREFIXES | MATCHFLG_DIRECTORY;