[core] add '~' to safe characters in ENCODING_REL_URI/ENCODING_REL_URI_PART encoding

From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@3051 152afb58-edef-0310-8abb-c4023f1b3aa9

NEWS

@@ -14,6 +14,7 @@ NEWS
   * [mod_secdownload] use a hopefully constant time comparison to check hash (fixes #2679)
   * [config] check config option scope; warn if server option is given in conditional
   * [core] revert increase of temp file size back to 1MB, provide a configure option "server.upload-temp-file-size" instead (fixes #2680)
+  * [core] add '~' to safe characters in ENCODING_REL_URI/ENCODING_REL_URI_PART encoding
 
 - 1.4.37 - 2015-08-30
   * [mod_proxy] remove debug log line from error log (fixes #2659)

src/buffer.c

@@ -503,7 +503,7 @@ void buffer_copy_string_hex(buffer *b, const char *in, size_t in_len) {
 	li_tohex(b->ptr, in, in_len);
 }
 
-/* everything except: ! ( ) * - . 0-9 A-Z _ a-z */
+/* everything except: ! ( ) * - . 0-9 A-Z _ a-z ~ */
 static const char encoded_chars_rel_uri_part[] = {
 	/*
 	0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F
@@ -515,7 +515,7 @@ static const char encoded_chars_rel_uri_part[] = {
 	1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  /*  40 -  4F @ */
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0,  /*  50 -  5F [ \ ] ^ */
 	1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  /*  60 -  6F ` */
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,  /*  70 -  7F { | } ~ DEL */
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1,  /*  70 -  7F { | } ~ DEL */
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  /*  80 -  8F */
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  /*  90 -  9F */
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  /*  A0 -  AF */
@@ -526,7 +526,7 @@ static const char encoded_chars_rel_uri_part[] = {
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  /*  F0 -  FF */
 };
 
-/* everything except: ! ( ) * - . / 0-9 A-Z _ a-z */
+/* everything except: ! ( ) * - . / 0-9 A-Z _ a-z ~ */
 static const char encoded_chars_rel_uri[] = {
 	/*
 	0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F
@@ -538,7 +538,7 @@ static const char encoded_chars_rel_uri[] = {
 	1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  /*  40 -  4F @ */
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0,  /*  50 -  5F [ \ ] ^ */
 	1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,  /*  60 -  6F ` */
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,  /*  70 -  7F { | } ~ DEL */
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1,  /*  70 -  7F { | } ~ DEL */
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  /*  80 -  8F */
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  /*  90 -  9F */
 	1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,  /*  A0 -  AF */