From f5aeb6ff9b04432a84b5c79f5baac26be1f3f4e9 Mon Sep 17 00:00:00 2001
From: Wayne Davison <wayned@samba.org>
Date: Sat, 22 Mar 2008 12:34:03 -0700
Subject: [PATCH] Added XFLG_DIR2WILD3 flag that the daemon uses to transform
 any config-file dir/ exclude rule into a dir/*** rule.

---
 clientserver.c | 10 +++++-----
 exclude.c      | 19 +++++++++++++++++--
 rsync.h        |  5 +++--
 3 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/clientserver.c b/clientserver.c
index 93c90c6b..39a8cedf 100644
--- a/clientserver.c
+++ b/clientserver.c
@@ -533,24 +533,24 @@ static int rsync_module(int f_in, int f_out, int i, char *addr, char *host)
 
 	p = lp_filter(i);
 	parse_rule(&daemon_filter_list, p, MATCHFLG_WORD_SPLIT,
-		   XFLG_ABS_IF_SLASH);
+		   XFLG_ABS_IF_SLASH | XFLG_DIR2WILD3);
 
 	p = lp_include_from(i);
 	parse_filter_file(&daemon_filter_list, p, MATCHFLG_INCLUDE,
-	    XFLG_ABS_IF_SLASH | XFLG_OLD_PREFIXES | XFLG_FATAL_ERRORS);
+	    XFLG_ABS_IF_SLASH | XFLG_DIR2WILD3 | XFLG_OLD_PREFIXES | XFLG_FATAL_ERRORS);
 
 	p = lp_include(i);
 	parse_rule(&daemon_filter_list, p,
 		   MATCHFLG_INCLUDE | MATCHFLG_WORD_SPLIT,
-		   XFLG_ABS_IF_SLASH | XFLG_OLD_PREFIXES);
+		   XFLG_ABS_IF_SLASH | XFLG_DIR2WILD3 | XFLG_OLD_PREFIXES);
 
 	p = lp_exclude_from(i);
 	parse_filter_file(&daemon_filter_list, p, 0,
-	    XFLG_ABS_IF_SLASH | XFLG_OLD_PREFIXES | XFLG_FATAL_ERRORS);
+	    XFLG_ABS_IF_SLASH | XFLG_DIR2WILD3 | XFLG_OLD_PREFIXES | XFLG_FATAL_ERRORS);
 
 	p = lp_exclude(i);
 	parse_rule(&daemon_filter_list, p, MATCHFLG_WORD_SPLIT,
-		   XFLG_ABS_IF_SLASH | XFLG_OLD_PREFIXES);
+		   XFLG_ABS_IF_SLASH | XFLG_DIR2WILD3 | XFLG_OLD_PREFIXES);
 
 	log_init(1);
 
diff --git a/exclude.c b/exclude.c
index 4c7a8474..1ba55443 100644
--- a/exclude.c
+++ b/exclude.c
@@ -52,6 +52,8 @@ struct filter_list_struct daemon_filter_list = { 0, 0, " [daemon]" };
 #define MODIFIERS_INCL_EXCL "/!Crsp"
 #define MODIFIERS_HIDE_PROTECT "/!p"
 
+#define SLASH_WILD3_SUFFIX "/***"
+
 /* The dirbuf is set by push_local_filters() to the current subdirectory
  * relative to curr_dir that is being processed.  The path always has a
  * trailing slash appended, and the variable dirbuf_len contains the length
@@ -119,7 +121,7 @@ static void add_rule(struct filter_list_struct *listp, const char *pat,
 {
 	struct filter_struct *ret;
 	const char *cp;
-	unsigned int pre_len, slash_cnt = 0;
+	unsigned int pre_len, suf_len, slash_cnt = 0;
 
 	if (verbose > 2) {
 		rprintf(FINFO, "[%s] add_rule(%s%.*s%s)%s\n",
@@ -166,7 +168,15 @@ static void add_rule(struct filter_list_struct *listp, const char *pat,
 	} else
 		pre_len = 0;
 
-	if (!(ret->pattern = new_array(char, pre_len + pat_len + 1)))
+	/* The daemon wants dir-exclude rules to get an appended "/" + "***". */
+	if (xflags & XFLG_DIR2WILD3
+	 && BITS_SETnUNSET(mflags, MATCHFLG_DIRECTORY, MATCHFLG_INCLUDE)) {
+		mflags &= ~MATCHFLG_DIRECTORY;
+		suf_len = sizeof SLASH_WILD3_SUFFIX - 1;
+	} else
+		suf_len = 0;
+
+	if (!(ret->pattern = new_array(char, pre_len + pat_len + suf_len + 1)))
 		out_of_memory("add_rule");
 	if (pre_len) {
 		memcpy(ret->pattern, dirbuf + module_dirlen, pre_len);
@@ -177,6 +187,11 @@ static void add_rule(struct filter_list_struct *listp, const char *pat,
 	}
 	strlcpy(ret->pattern + pre_len, pat, pat_len + 1);
 	pat_len += pre_len;
+	if (suf_len) {
+		memcpy(ret->pattern + pat_len, SLASH_WILD3_SUFFIX, suf_len+1);
+		pat_len += suf_len;
+		slash_cnt++;
+	}
 
 	if (strpbrk(ret->pattern, "*[?")) {
 		mflags |= MATCHFLG_WILD;
diff --git a/rsync.h b/rsync.h
index 6be36d33..aca08177 100644
--- a/rsync.h
+++ b/rsync.h
@@ -145,8 +145,9 @@
 
 #define XFLG_FATAL_ERRORS	(1<<0)
 #define XFLG_OLD_PREFIXES	(1<<1)
-#define XFLG_ANCHORED2ABS	(1<<2)
-#define XFLG_ABS_IF_SLASH	(1<<3)
+#define XFLG_ANCHORED2ABS	(1<<2) /* leading slash indicates absolute */
+#define XFLG_ABS_IF_SLASH	(1<<3) /* leading or interior slash is absolute */
+#define XFLG_DIR2WILD3		(1<<4) /* dir/ match gets trailing *** added */
 
 #define ATTRS_REPORT		(1<<0)
 #define ATTRS_SKIP_MTIME	(1<<1)
-- 
2.34.1