squid 3.5.27: Patch for SA 2018:1

http://www.squid-cache.org/Versions/v3/3.5/changesets/

Signed-off-by: Matthias Fischer <matthias.fischer@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

src/patches/squid/SQUID-2018_1.patch

@@ -0,0 +1,28 @@
+commit eb2db98a676321b814fc4a51c4fb7928a8bb45d9 (refs/remotes/origin/v3.5)
+Author: Amos Jeffries <yadij@users.noreply.github.com>
+Date:   2018-01-19 13:54:14 +1300
+
+    ESI: make sure endofName never exceeds tagEnd (#130)
+
+diff --git a/src/esi/CustomParser.cc b/src/esi/CustomParser.cc
+index d86d2d3..db634d9 100644
+--- a/src/esi/CustomParser.cc
++++ b/src/esi/CustomParser.cc
+@@ -121,7 +121,7 @@ ESICustomParser::parse(char const *dataToParse, size_t const lengthOfData, bool
+ 
+             char * endofName = strpbrk(const_cast<char *>(tag), w_space);
+ 
+-            if (endofName > tagEnd)
++            if (!endofName || endofName > tagEnd)
+                 endofName = const_cast<char *>(tagEnd);
+ 
+             *endofName = '\0';
+@@ -214,7 +214,7 @@ ESICustomParser::parse(char const *dataToParse, size_t const lengthOfData, bool
+ 
+             char * endofName = strpbrk(const_cast<char *>(tag), w_space);
+ 
+-            if (endofName > tagEnd)
++            if (!endofName || endofName > tagEnd)
+                 endofName = const_cast<char *>(tagEnd);
+ 
+             *endofName = '\0';