From: Stephan Bosch <stephan.bosch@open-xchange.com>
Date: Fri, 11 Sep 2020 22:15:35 +0000 (+0200)
Subject: lib-smtp: smtp-command-parser - Fix parameter parsing not to fail on particular unico... 
X-Git-Tag: 2.3.13~162
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=77903cf3a39ef6155bd84d0f1693307aa814cffc;p=thirdparty%2Fdovecot%2Fcore.git

lib-smtp: smtp-command-parser - Fix parameter parsing not to fail on particular unicode code points.

Unicode code points were sometimes erroneously checked as ASCII characters.
---

diff --git a/src/lib-smtp/smtp-command-parser.c b/src/lib-smtp/smtp-command-parser.c
index f60461e8d1..0583f2a378 100644
--- a/src/lib-smtp/smtp-command-parser.c
+++ b/src/lib-smtp/smtp-command-parser.c
@@ -191,8 +191,7 @@ static int smtp_command_parse_parameters(struct smtp_command_parser *parser)
 				"Invalid UTF-8 character in command parameters");
 			return -1;
 		}
-		if ((parser->auth_response || (ch & 0x80) == 0x00) &&
-		    !smtp_char_is_textstr((unsigned char)ch))
+		if (nch == 1 && !smtp_char_is_textstr((unsigned char)ch))
 			break;
 		p += nch;
 	}