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| | ;;; socks-tests.el --- tests for SOCKS -*- coding: utf-8; lexical-binding: t; -*-
;; Copyright (C) 2021 Free Software Foundation, Inc.
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'socks)
(require 'url-http)
(defvar socks-tests-canned-server-port nil)
(defun socks-tests-canned-server-create (verbatim patterns)
"Create a fake SOCKS server and return the process.
`VERBATIM' and `PATTERNS' are dotted alists containing responses.
Requests are tried in order. On failure, an error is raised."
(let* ((buf (generate-new-buffer "*canned-socks-server*"))
(filt (lambda (proc line)
(let ((resp (or (assoc-default line verbatim
(lambda (k s) ; s is line
(string= (concat k) s)))
(assoc-default line patterns
(lambda (p s)
(string-match-p p s))))))
(unless resp
(error "Unknown request: %s" line))
(let ((print-escape-control-characters t))
(princ (format "<- %s\n" (prin1-to-string line)) buf)
(princ (format "-> %s\n" (prin1-to-string resp)) buf))
(process-send-string proc (concat resp)))))
(srv (make-network-process :server 1
:buffer buf
:filter filt
:name "server"
:family 'ipv4
:host 'local
:service socks-tests-canned-server-port)))
(set-process-query-on-exit-flag srv nil)
(princ (format "[%s] Listening on localhost:10080\n" srv) buf)
srv))
;; Add ([5 3 0 1 2] . [5 2]) to the `verbatim' list below to validate
;; against curl 7.71 with the following options:
;; $ curl --verbose -U foo:bar --proxy socks5h://127.0.0.1:10080 example.com
;;
;; If later implementing version 4a, try these:
;; [4 1 0 80 0 0 0 1 0 ?e ?x ?a ?m ?p ?l ?e ?. ?c ?o ?m 0] . [0 90 0 0 0 0 0 0]
;; $ curl --verbose --proxy socks4a://127.0.0.1:10080 example.com
(ert-deftest socks-tests-auth-filter-url-http ()
"Verify correct handling of SOCKS5 user/pass authentication."
(let* ((socks-server '("server" "127.0.0.1" 10080 5))
(socks-username "foo")
(socks-password "bar")
(url-gateway-method 'socks)
(url (url-generic-parse-url "http://example.com"))
(verbatim '(([5 2 0 2] . [5 2])
([1 3 ?f ?o ?o 3 ?b ?a ?r] . [1 0])
([5 1 0 3 11 ?e ?x ?a ?m ?p ?l ?e ?. ?c ?o ?m 0 80]
. [5 0 0 1 0 0 0 0 0 0])))
(patterns
`(("^GET /" . ,(concat "HTTP/1.1 200 OK\r\n"
"Content-Type: text/plain; charset=UTF-8\r\n"
"Content-Length: 13\r\n\r\n"
"Hello World!\n"))))
(socks-tests-canned-server-port 10080)
(server (socks-tests-canned-server-create verbatim patterns))
(tries 10)
;;
done
;;
(cb (lambda (&rest _r)
(goto-char (point-min))
(should (search-forward "Hello World" nil t))
(setq done t)))
(buf (url-http url cb '(nil))))
(ert-info ("Connect to HTTP endpoint over SOCKS5 with USER/PASS method")
(while (and (not done) (< 0 (cl-decf tries))) ; cl-lib via url-http
(sleep-for 0.1)))
(should done)
(delete-process server)
(kill-buffer (process-buffer server))
(kill-buffer buf)
(ignore url-gateway-method)))
;;; socks-tests.el ends here
|