From: Willem Toorop <willem@nlnetlabs.nl>
Date: Mon, 29 Mar 2021 10:25:59 +0000 (+0200)
Subject: Fix ipv6hint=FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:255.255.255.255
X-Git-Tag: 1.8.0-rc.1~29
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c6dcbbb803709e433da27a880f443533937312bb;p=thirdparty%2Fldns.git

Fix ipv6hint=FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:255.255.255.255
---

diff --git a/str2host.c b/str2host.c
index 77089b04..ad6bd000 100644
--- a/str2host.c
+++ b/str2host.c
@@ -2135,11 +2135,11 @@ parse_svcparam_ipv6hint(const char **s, uint8_t **dp, uint8_t *eod)
 		char        ipv6_str[INET6_ADDRSTRLEN];
 		size_t      len;
 
-		while (isxdigit(**s) || **s == ':')
+		while (isxdigit(**s) || **s == ':' || **s == '.')
 			*s += 1;
 		
 		len = *s - ipv6_start;
-		if (len == 0 || len > 39)
+		if (len == 0 || len > INET6_ADDRSTRLEN)
 			return LDNS_STATUS_SYNTAX_SVCPARAM_VALUE_ERR;
 
 		if (*dp + 16 > eod)