From: Wayne Davison <wayne@opencoder.net>
Date: Wed, 10 Aug 2022 00:51:00 +0000 (-0700)
Subject: Fix handling of a character class with an escaped closing bracket.
X-Git-Tag: v3.2.5~8
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4c0a4067df2516ce50e12a7d3ae572275fa9fc0b;p=thirdparty%2Frsync.git

Fix handling of a character class with an escaped closing bracket.
---

diff --git a/exclude.c b/exclude.c
index ea1aa495..e5774420 100644
--- a/exclude.c
+++ b/exclude.c
@@ -424,9 +424,10 @@ void add_implied_include(const char *arg, int skip_daemon_module)
 		for (cp = arg; *cp; ) {
 			switch (*cp) {
 			  case '\\':
-				if (cp[1] == ']')
-					cp++; /* A \] in a filter might cause a problem w/o wildcards. */
-				else if (!strchr("*[?", cp[1])) {
+				if (cp[1] == ']') {
+					if (!saw_wild)
+						cp++; /* A \] in a non-wild filter causes a problem, so drop the \ . */
+				} else if (!strchr("*[?", cp[1])) {
 					backslash_cnt++;
 					if (saw_wild)
 						*p++ = '\\';