From: Christopher Faulet <cfaulet@haproxy.com>
Date: Fri, 11 Dec 2020 08:30:45 +0000 (+0100)
Subject: BUG/MINOR: tools: Reject size format not starting by a digit
X-Git-Tag: v2.4-dev3~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=82635a0fc1d8196e5b199e2948d2bea4b1217ace;p=thirdparty%2Fhaproxy.git

BUG/MINOR: tools: Reject size format not starting by a digit

parse_size_err() function is now more strict on the size format. The first
character must be a digit. Otherwise an error is returned. Thus "size k" is
now rejected.

This patch must be backported to all stable versions.
---

diff --git a/src/tools.c b/src/tools.c
index 590a101e89..27e603a418 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -2304,6 +2304,9 @@ const char *parse_time_err(const char *text, unsigned *ret, unsigned unit_flags)
 const char *parse_size_err(const char *text, unsigned *ret) {
 	unsigned value = 0;
 
+	if (!isdigit((unsigned char)*text))
+		return text;
+
 	while (1) {
 		unsigned int j;