ref: 99c3c5e98a375c00478311c4d986ed2471d5d949
parent: ac0af36f65201eaf5145101100ea6baeb3609f77
author: Timothy B. Terriberry <tterribe@xiph.org>
date: Mon Nov 12 11:33:52 EST 2012
Some minor comment updates. Be more specific about which RFC we're quoting in the SSL hostname verification.
--- a/src/http.c
+++ b/src/http.c
@@ -1443,7 +1443,7 @@
if(pattern_prefix_len>=pattern_label_len){
/*"The client SHOULD NOT attempt to match a presented identifier in which
the wildcard character comprises a label other than the left-most label
- (e.g., do not match bar.*.example.net)."*/
+ (e.g., do not match bar.*.example.net)." [RFC 6125 Section 6.4.3]*/
if(pattern_prefix_len<pattern_len)return 0;
/*If the pattern does not contain a wildcard in the first element, do an
exact match.
@@ -1454,7 +1454,7 @@
}
/*"However, the client SHOULD NOT attempt to match a presented identifier
where the wildcard character is embedded within an A-label or U-label of
- an internationalized domain name.*/
+ an internationalized domain name." [RFC 6125 Section 6.4.3]*/
if(op_strncasecmp(pattern,"xn--",4)==0)return 0;
host_label_len=strcspn(_host,".");
/*Make sure the host has at least two dots, to prevent the wildcard match
@@ -1468,7 +1468,8 @@
/*"If the wildcard character is the only character of the left-most label in
the presented identifier, the client SHOULD NOT compare against anything
but the left-most label of the reference identifier (e.g., *.example.com
- would match foo.example.com but not bar.foo.example.com)."
+ would match foo.example.com but not bar.foo.example.com)." [RFC 6125
+ Section 6.4.3]
This is really confusingly worded, as we check this by actually comparing
the rest of the pattern for an exact match.
We also use the fact that the wildcard must match at least one character,
@@ -1480,7 +1481,7 @@
character is not the only character of the label (e.g., baz*.example.net
and *baz.example.net and b*z.example.net would be taken to match
baz1.example.net and foobaz.example.net and buzz.example.net,
- respectively)."*/
+ respectively)." [RFC 6125 Section 6.4.3]*/
pattern_suffix_len=pattern_len-pattern_prefix_len-1;
host_suffix_len=_host_len-host_label_len
+pattern_label_len-pattern_prefix_len-1;