From a2595d668f2f095c56cbc55aee9f0bbea8efb2f9 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 22 Apr 2015 17:43:02 +0100
Subject: Parse ipv6 URL's.

---
 src/libserver/url.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'src/libserver/url.c')

diff --git a/src/libserver/url.c b/src/libserver/url.c
index cfe925ea3..43ef9f9b1 100644
--- a/src/libserver/url.c
+++ b/src/libserver/url.c
@@ -557,6 +557,7 @@ rspamd_web_parse (struct http_parser_url *u, const gchar *str, gsize len,
 		parse_password_start,
 		parse_password,
 		parse_domain,
+		parse_ipv6,
 		parse_port_password,
 		parse_port,
 		parse_suffix_slash,
@@ -610,6 +611,36 @@ rspamd_web_parse (struct http_parser_url *u, const gchar *str, gsize len,
 			c = p;
 			st = parse_domain;
 			slash = p;
+
+			if (*p == '[') {
+				st = parse_ipv6;
+				p ++;
+				c = p;
+			}
+			break;
+		case parse_ipv6:
+			if (t == ']') {
+				if (p - c == 0) {
+					goto out;
+				}
+				SET_U (u, UF_HOST);
+				p ++;
+
+				if (*p == ':') {
+					st = parse_port;
+					c = p + 1;
+				}
+				else if (*p == '/') {
+					st = parse_path;
+					c = p + 1;
+				}
+				else if (p != last) {
+					goto out;
+				}
+			}
+			else {
+				p ++;
+			}
 			break;
 		case parse_user:
 			if (t == ':') {
@@ -861,6 +892,15 @@ set:
 		}
 		ret = 0;
 		break;
+	case parse_ipv6:
+		if (t != ']') {
+			ret = 1;
+		}
+		else {
+			/* e.g. http://[::] */
+			ret = 0;
+		}
+		break;
 	default:
 		/* Error state */
 		ret = 1;
-- 
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