X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/8e41b68e8f975c02a5d9281be780ba5d1a385107..ee8a733d6fed612ffb8cdafbbcc9b7db016b1a3d:/compat.c

diff --git a/compat.c b/compat.c
index c90e2f71..95dd3074 100644
--- a/compat.c
+++ b/compat.c
@@ -33,31 +33,38 @@ extern int inplace;
 extern int recurse;
 extern int use_qsort;
 extern int allow_inc_recurse;
+extern int append_mode;
 extern int fuzzy_basis;
 extern int read_batch;
-extern int max_delete;
 extern int delay_updates;
 extern int checksum_seed;
 extern int basis_dir_cnt;
 extern int prune_empty_dirs;
 extern int protocol_version;
+extern int protect_args;
 extern int preserve_uid;
 extern int preserve_gid;
 extern int preserve_acls;
 extern int preserve_xattrs;
-extern int preserve_hard_links;
 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 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;
+int uid_ndx, gid_ndx, acls_ndx, xattrs_ndx, unsort_ndx;
+
+#ifdef ICONV_OPTION
+int filesfrom_convert = 0;
+#endif
 
 /* The server makes sure that if either side only supports a pre-release
  * version of a protocol, that both sides must speak a compatible version
@@ -66,13 +73,19 @@ static void check_sub_protocol(void)
 {
 	char *dot;
 	int their_protocol, their_sub;
+#if SUBPROTOCOL_VERSION != 0
 	int our_sub = protocol_version < PROTOCOL_VERSION ? 0 : SUBPROTOCOL_VERSION;
+#else
+	int our_sub = 0;
+#endif
 
 	if (!shell_cmd || !(dot = strchr(shell_cmd, '.'))
 	 || !(their_protocol = atoi(shell_cmd))
 	 || !(their_sub = atoi(dot+1))) {
+#if SUBPROTOCOL_VERSION != 0
 		if (our_sub)
 			protocol_version--;
+#endif
 		return;
 	}
 
@@ -83,15 +96,28 @@ static void check_sub_protocol(void)
 	}
 
 	if (their_protocol > protocol_version)
-		their_sub = 0; /* 0 == final version */
+		their_sub = 0; /* 0 == final version of older protocol */
 	if (their_sub != our_sub)
 		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)
@@ -103,6 +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();
@@ -144,13 +173,8 @@ void setup_protocol(int f_out,int f_in)
 	}
 
 	if (protocol_version < 30) {
-		if (max_delete == 0 && am_sender) {
-			rprintf(FERROR,
-			    "--max-delete=0 requires protocol 30 or higher"
-			    " (negotiated %d).\n",
-			    protocol_version);
-			exit_cleanup(RERR_PROTOCOL);
-		}
+		if (append_mode == 1)
+			append_mode = 2;
 		if (preserve_acls && !local_server) {
 			rprintf(FERROR,
 			    "--acls requires protocol 30 or higher"
@@ -207,13 +231,24 @@ void setup_protocol(int f_out,int f_in)
 			exit_cleanup(RERR_PROTOCOL);
 		}
 	} else if (protocol_version >= 30) {
-		if (recurse && allow_inc_recurse && !preserve_hard_links
-		 && !delete_before && !delete_after && !delay_updates
-		 && !prune_empty_dirs && !use_qsort)
-			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;
 	}
 
+	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;
 		if (!am_sender || protocol_version >= 30)
@@ -221,6 +256,16 @@ void setup_protocol(int f_out,int f_in)
 		parse_rule(&filter_list, partial_dir, flags, 0);
 	}
 
+
+#ifdef ICONV_OPTION
+	if (protect_args && files_from) {
+		if (am_sender)
+			filesfrom_convert = filesfrom_host && ic_send != (iconv_t)-1;
+		else
+			filesfrom_convert = !filesfrom_host && ic_recv != (iconv_t)-1;
+	}
+#endif
+
 	if (am_server) {
 		if (!checksum_seed)
 			checksum_seed = time(NULL);