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;;; erc-scenarios-sasl.el --- SASL tests for ERC -*- lexical-binding: t -*-
;; Copyright (C) 2022-2025 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/>.
;;; Code:
(require 'ert-x)
(eval-and-compile
(let ((load-path (cons (ert-resource-directory) load-path)))
(require 'erc-scenarios-common)))
(require 'erc-sasl)
(ert-deftest erc-scenarios-sasl--plain ()
:tags '(:expensive-test)
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "sasl")
(erc-server-flood-penalty 0.1)
(dumb-server (erc-d-run "localhost" t 'plain))
(port (process-contact dumb-server :service))
(erc-modules (cons 'sasl erc-modules))
(erc-sasl-password "password123")
(expect (erc-d-t-make-expecter)))
(ert-info ("Connect")
(with-current-buffer (erc :server "127.0.0.1"
:port port
:nick "tester"
:user "tester"
:full-name "tester")
(should (string= (buffer-name) (format "127.0.0.1:%d" port)))))
(ert-info ("Notices received")
(with-current-buffer (erc-d-t-wait-for 10 (get-buffer "ExampleOrg"))
(funcall expect 10 "This server is in debug mode")
;; Regression "\0\0\0\0 ..." caused by (fillarray passphrase 0)
(should (string= erc-sasl-password "password123"))))))
;; The user's unreasonably long password is apportioned into chunks on
;; the way out the door.
(ert-deftest erc-scenarios-sasl--plain-overlong-split ()
:tags '(:expensive-test)
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "sasl")
(erc-server-flood-penalty 0.1)
(dumb-server (erc-d-run "localhost" t 'plain-overlong-split))
(port (process-contact dumb-server :service))
(erc-modules (cons 'sasl erc-modules))
(erc-sasl-password
(concat
"Est ut beatae omnis ipsam. "
"Quis fugiat deleniti totam qui. "
"Ipsum quam a dolorum tempora velit laborum odit. "
"Et saepe voluptate sed cumque vel. "
"Voluptas sint ab pariatur libero veritatis corrupti. "
"Vero iure omnis ullam. "
"Vero beatae dolores facere fugiat ipsam. "
"Ea est pariatur minima nobis sunt aut ut. "
"Dolores ut laudantium maiores temporibus voluptates. "
"Reiciendis impedit omnis et unde delectus quas ab. "
"Quae eligendi necessitatibus doloribus "
"molestias tempora magnam assumenda."))
(expect (erc-d-t-make-expecter)))
(ert-info ("Connect")
(with-current-buffer (erc :server "127.0.0.1"
:port port
:nick "emersion"
:user "emersion"
:full-name "emersion")
(funcall expect 10 "This server is in debug mode")
(erc-cmd-QUIT "")))))
(ert-deftest erc-scenarios-sasl--plain-overlong-aligned ()
:tags '(:expensive-test)
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "sasl")
(erc-server-flood-penalty 0.1)
(dumb-server (erc-d-run "localhost" t 'plain-overlong-aligned))
(port (process-contact dumb-server :service))
(erc-modules (cons 'sasl erc-modules))
(erc-sasl-password
(concat
"Est ut beatae omnis ipsam. "
"Quis fugiat deleniti totam qui. "
"Ipsum quam a dolorum tempora velit laborum odit. "
"Et saepe voluptate sed cumque vel. "
"Voluptas sint ab pariatur libero veritatis corrupti. "
"Vero iure omnis ullam. Vero beatae dolores facere fugiat ipsam. "
"Ea est pariatur minima nobis"))
(expect (erc-d-t-make-expecter)))
(ert-info ("Connect")
(with-current-buffer (erc :server "127.0.0.1"
:port port
:nick "emersion"
:user "emersion"
:full-name "emersion")
(funcall expect 10 "This server is in debug mode")
(erc-cmd-QUIT "")))))
(ert-deftest erc-scenarios-sasl--external ()
:tags '(:expensive-test)
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "sasl")
(erc-server-flood-penalty 0.1)
(dumb-server (erc-d-run "localhost" t 'external))
(port (process-contact dumb-server :service))
(erc-modules (cons 'sasl erc-modules))
(erc-sasl-mechanism 'external)
(expect (erc-d-t-make-expecter)))
(ert-info ("Connect")
(with-current-buffer (erc :server "127.0.0.1"
:port port
:nick "tester"
:user "tester"
:full-name "tester")
(should (string= (buffer-name) (format "127.0.0.1:%d" port)))))
(ert-info ("Notices received")
(with-current-buffer (erc-d-t-wait-for 10 (get-buffer "ExampleOrg"))
(funcall expect 10 "Authentication successful")
(funcall expect 10 "This server is in debug mode")))))
(ert-deftest erc-scenarios-sasl--plain-fail ()
:tags '(:expensive-test)
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "sasl")
(erc-server-flood-penalty 0.1)
(dumb-server (erc-d-run "localhost" t 'plain-failed))
(port (process-contact dumb-server :service))
(erc-modules (cons 'sasl erc-modules))
(erc-sasl-password "wrong")
(erc-sasl-mechanism 'plain)
(erc--warnings-buffer-name "*ERC test warnings*")
(warnings-buffer (get-buffer-create erc--warnings-buffer-name))
(inhibit-message noninteractive)
(expect (erc-d-t-make-expecter)))
(with-current-buffer (erc :server "127.0.0.1"
:port port
:nick "tester"
:user "tester"
:full-name "tester")
(funcall expect 10 "Opening connection")
(funcall expect 20 "SASL authentication failed")
(funcall expect 20 "Connection failed!")
(should-not (erc-server-process-alive)))
(with-current-buffer warnings-buffer
(funcall expect 10 "please review SASL settings")))
(when noninteractive
(should-not (get-buffer "*ERC test warnings*"))))
(defun erc-scenarios--common--sasl (mech)
(erc-scenarios-common-with-cleanup
((erc-scenarios-common-dialog "sasl")
(erc-server-flood-penalty 0.1)
(dumb-server (erc-d-run "localhost" t mech))
(port (process-contact dumb-server :service))
(erc-modules (cons 'sasl erc-modules))
(erc-sasl-user :nick)
(erc-sasl-mechanism mech)
(mock-rvs (list "c5RqLCZy0L4fGkKAZ0hujFBs" ""))
(sasl-unique-id-function (lambda () (pop mock-rvs)))
(expect (erc-d-t-make-expecter)))
(ert-info ("Connect")
(with-current-buffer (erc :server "127.0.0.1"
:port port
:nick "jilles"
:password "sesame"
:full-name "jilles")
(should (string= (buffer-name) (format "127.0.0.1:%d" port)))))
(ert-info ("Notices received")
(with-current-buffer (erc-d-t-wait-for 10 (get-buffer "jaguar"))
(funcall expect 10 "Found your hostname")
(funcall expect 20 "marked as being away")))))
(ert-deftest erc-scenarios-sasl--scram-sha-1 ()
:tags '(:expensive-test)
(let ((erc-sasl-authzid "jilles"))
(erc-scenarios--common--sasl 'scram-sha-1)))
(ert-deftest erc-scenarios-sasl--scram-sha-256 ()
:tags '(:expensive-test)
(unless (featurep 'sasl-scram-sha256)
(ert-skip "Emacs lacks sasl-scram-sha256"))
(erc-scenarios--common--sasl 'scram-sha-256))
;;; erc-scenarios-sasl.el ends here
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