proxy: fix hostname resolution and IDN conversion

Properly resolve, convert and log the proxy host names.
Support the "--connect-to" feature for SOCKS proxies and for passive FTP
data transfers.

Follow-up to cb4e2be

Reported-by: Jay Satiro
Fixes https://github.com/curl/curl/issues/1248

1 files changed, 80 insertions, 0 deletions

diff --git a/tests/data/test2055 b/tests/data/test2055
new file mode 100755
index 000000000..cca44942f
--- /dev/null
+++ b/tests/data/test2055
@@ -0,0 +1,80 @@
+<testcase>
+<info>
+<keywords>
+HTTP
+HTTP GET
+HTTP CONNECT
+HTTP proxy
+proxytunnel
+CURLOPT_CONNECT_TO
+SOCKS5
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+<connect>
+HTTP/1.1 200 Connection established
+
+</connect>
+
+<data>
+HTTP/1.1 200 OK
+Date: Thu, 09 Nov 2010 14:49:00 GMT
+Content-Length: 3
+Content-Type: text/plain
+
+OK
+</data>
+
+<datacheck>
+HTTP/1.1 200 Connection established
+
+HTTP/1.1 200 OK
+Date: Thu, 09 Nov 2010 14:49:00 GMT
+Content-Length: 3
+Content-Type: text/plain
+
+OK
+</datacheck>
+</reply>
+
+#
+# Client-side
+<client>
+<server>
+http
+http-proxy
+socks5
+</server>
+ <name>
+Connect to specific host via SOCKS proxy and HTTP proxy (switch to tunnel mode automatically)
+ </name>
+
+ <command>
+http://www.example.com.2055/2055 --connect-to ::connect.example.com.2055:%HTTPPORT -x %HOSTIP:%PROXYPORT --preproxy socks5://%HOSTIP:%SOCKSPORT
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<strip>
+^User-Agent:.*
+</strip>
+<proxy>
+CONNECT connect.example.com.2055:%HTTPPORT HTTP/1.1

+Host: connect.example.com.2055:%HTTPPORT

+Proxy-Connection: Keep-Alive

+

+</proxy>
+<protocol>
+GET /2055 HTTP/1.1

+Host: www.example.com.2055

+Accept: */*

+

+</protocol>
+
+</verify>
+</testcase>