From 7883cd5af38a824e41b42c94890ea94bf4356fd3 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 20 Jan 2012 23:32:43 +0100
Subject: [PATCH] URL parse: user name with ipv6 numerical address

Using a URL with embedded user name and password didn't work if the host
was given as a numerical IPv6 string, like ftp://user:password@[::1]/

Reported by: Brandon Wang
Bug: http://curl.haxx.se/mail/archive-2012-01/0047.html
---
 lib/url.c | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/lib/url.c b/lib/url.c
index fd46a7e03..466748bfc 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -137,7 +137,9 @@ static long ConnectionKillOne(struct SessionHandle *data);
 static void conn_free(struct connectdata *conn);
 static void signalPipeClose(struct curl_llist *pipeline, bool pipe_broke);
 static CURLcode do_init(struct connectdata *conn);
-
+static CURLcode parse_url_userpass(struct SessionHandle *data,
+                                   struct connectdata *conn,
+                                   char *user, char *passwd);
 /*
  * Protocol table.
  */
@@ -3666,7 +3668,9 @@ static CURLcode findprotocol(struct SessionHandle *data,
  */
 static CURLcode parseurlandfillconn(struct SessionHandle *data,
                                     struct connectdata *conn,
-                                    bool *prot_missing)
+                                    bool *prot_missing,
+                                    char *user,
+                                    char *passwd)
 {
   char *at;
   char *fragment;
@@ -3675,6 +3679,7 @@ static CURLcode parseurlandfillconn(struct SessionHandle *data,
   int rc;
   char protobuf[16];
   const char *protop;
+  CURLcode result;
 
   *prot_missing = FALSE;
 
@@ -3841,6 +3846,14 @@ static CURLcode parseurlandfillconn(struct SessionHandle *data,
     path[0] = '/';
   }
 
+  /*************************************************************
+   * Parse a user name and password in the URL and strip it out
+   * of the host name
+   *************************************************************/
+  result = parse_url_userpass(data, conn, user, passwd);
+  if(result != CURLE_OK)
+    return result;
+
   if(conn->host.name[0] == '[') {
     /* This looks like an IPv6 address literal.  See if there is an address
        scope.  */
@@ -4783,7 +4796,7 @@ static CURLcode create_conn(struct SessionHandle *data,
   conn->host.name = conn->host.rawalloc;
   conn->host.name[0] = 0;
 
-  result = parseurlandfillconn(data, conn, &prot_missing);
+  result = parseurlandfillconn(data, conn, &prot_missing, user, passwd);
   if(result != CURLE_OK)
     return result;
 
@@ -4812,15 +4825,6 @@ static CURLcode create_conn(struct SessionHandle *data,
     data->change.url_alloc = TRUE; /* free this later */
   }
 
-  /*************************************************************
-   * Parse a user name and password in the URL and strip it out
-   * of the host name
-   *************************************************************/
-  result = parse_url_userpass(data, conn, user, passwd);
-  if(result != CURLE_OK)
-    return result;
-
-
   /*************************************************************
    * If the protocol can't handle url query strings, then cut
    * of the unhandable part