Hi,
Could anybody review the patch please, I wish this contribution will end
up eventually in Stump. As a sort of encouragement I have more ideas and
patches to go soon. I did my best for you to spend as minimal time as
it's needed on reviewing it.
TIA
Wojciech
Wojciech Meyer <wojciech.me...@googlemail.com> writes:
> Ping ;)
>
> Wojciech Meyer <wojciech.me...@googlemail.com> writes:
>
>> Hi Guys,
>>
>> Since I've been using pwsafe quite often, and I've never felt
>> comfortable with using available gui interfaces, Emacs mode has never
>> worked for me, and more importantly now there is a way of handling
>> passwords in StumpWM, I've been yield to temptation to write an
>> interface for StumpWM to handle basic pwsafe work-flow - selecting
>> account and getting password and the user name.
>>
>> Please accept this small contribution to Stump and I hope you will
>> enjoy!
>>
>> Cheers;
>>
>> Wojciech
>>
>>
>> From c9e6224e16b9d3f4a6494b44acf7c53b336493b9 Mon Sep 17 00:00:00 2001
>> From: Wojciech Meyer <wojciech.me...@gmail.com>
>> Date: Fri, 24 Jun 2011 01:16:32 +0100
>> Subject: [PATCH] Initial interface to pwsafe password keyring. Two new
>> commands: `pwsafe-menu', `pwsafe-entry'.
>>
>>
>> Signed-off-by: Wojciech Meyer <wojciech.me...@gmail.com>
>> ---
>> contrib/pwsafe.lisp | 161
>> +++++++++++++++++++++++++++++++++++++++++++++++++++
>> 1 files changed, 161 insertions(+), 0 deletions(-)
>> create mode 100644 contrib/pwsafe.lisp
>>
>> diff --git a/contrib/pwsafe.lisp b/contrib/pwsafe.lisp
>> new file mode 100644
>> index 0000000..3ae9451
>> --- /dev/null
>> +++ b/contrib/pwsafe.lisp
>> @@ -0,0 +1,161 @@
>> +;;; Interface to pwsafe keyring
>> +;;;
>> +;;; Copyright 2011 Wojciech Meyer
>> +;;;
>> +;;; Maintainer: Wojciech Meyer
>> +;;;
>> +;;; This module 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 2, or (at your option)
>> +;;; any later version.
>> +;;;
>> +;;; This module 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 this software; see the file COPYING. If not, write to
>> +;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
>> +;;; Boston, MA 02111-1307 USA
>> +;;;
>> +
>> +;;; USAGE:
>> +;;;
>> +;;; Put:
>> +;;;
>> +;;; (load-module "pwsafe")
>> +;;;
>> +;;; ...into your ~/.stumpwmrc
>> +;;;
>> +
>> +;;; BUGS:
>> +;;;
>> +;;; Not very safe since the master password is not only stored in memory
>> +;;; but also echoed through unix pipe.
>> +;;; You've been warned.
>> +;;; If anybody knows how to improve it just mail me or send a patch.
>> +
>> +;;; CODE:
>> +
>> +
>> +(defpackage :stumpwm.contrib.pwsafe
>> + (:use :common-lisp :stumpwm))
>> +
>> +(in-package :stumpwm.contrib.pwsafe)
>> +
>> +
>> +(defstruct pwsafe-entry
>> + "Our structure holding entry data. Master password stored for each
>> +entry therefore VERY UNSAFE."
>> + password
>> + name
>> + user-name)
>> +
>> +(defun lines-from-string (string)
>> + "Boiler plate for splitting STRING buffer to lines. Rewritten
>> +thousands of times already"
>> + (loop for i = 0 then (1+ j)
>> + as j = (position #\Newline string :start i)
>> + collect (subseq string i j)
>> + while j))
>> +
>> +(defun pair-split (entry separator)
>> + "Split two ENTRY sections separated by SEPARATOR into pair"
>> + (let ((lst (cl-ppcre:split separator entry)))
>> + (cons (remove #\Newline (car lst)) (remove #\Newline (cadr lst)))))
>> +
>> +(defun command-options (options &optional argument)
>> + "Create command OPTIONS with optional ARGUMENTS. BUGS: Need to
>> +insert space after each switch, should interleave space."
>> + (format nil "~a ~a"
>> + (if (listp options)
>> + (apply #'concat options) options)
>> + (or argument "") t))
>> +
>> +(defun pwsafe-command (password options &optional argument)
>> + "Execute pwsafe command using master PASSWORD with OPTIONS and
>> +additional ARGUMENT. Not safe."
>> + (format nil "echo \"~a\" | pwsafe ~a" password (command-options options
>> argument)))
>> +
>> +(defun with-xsel (command &optional options)
>> + "Pipe COMMAND with OPTIONS to xsel."
>> + (format nil "~a | xsel ~a" command (or options "")))
>> +
>> +(defun pwsafe-entry-from-line (password line)
>> + "Create entry from LINE and master PASSWORD. Not safe."
>> + (let* ((line (or (cdr (pair-split line "Enter passphrase for.*:")) line))
>> + (pair (pair-split line " - ")))
>> + (make-pwsafe-entry :password password
>> + :name (car pair)
>> + :user-name (cdr pair))))
>> +
>> +(defun run-pwsafe-command (password options &optional argument)
>> + (let ((output (run-shell-command (pwsafe-command password options
>> argument) t)))
>> + (when (cl-ppcre::scan "Passphrase is incorrect" output)
>> + (throw 'error "Passphrase is incorrect"))
>> + output))
>> +
>> +(defun pwsafe-entries (password)
>> + "Get all the entries using master PASSWORD and spawning pwsafe
>> +command"
>> + (let ((output (run-pwsafe-command password '("-l"))))
>> + (mapcar
>> + (lambda (line) (pwsafe-entry-from-line password line))
>> + (lines-from-string output))))
>> +
>> +(defun assoc-entries (entries)
>> + "Create assoc from ENTRIES keyed by the name"
>> + (mapcar (lambda (entry) (cons (pwsafe-entry-name entry) entry)) entries))
>> +
>> +(defun pwsafe-password-to-clipboard (entry)
>> + "Main function that will perform side action on ENTRY with all the
>> +associated side effects like priting message and putting password into
>> +xclipboard"
>> + (let* ((pwsafe-entry (pwsafe-entry-name entry))
>> + (output
>> + (run-pwsafe-command (pwsafe-entry-password entry)
>> + ;; FIXME: dirty hack, attempted to be nice
>> + ;; and keep the options in list, however
>> + ;; `pwsafe-command' is not interleaving
>> + ;; them with space
>> + '("-q " "-p " "--echo " "-E ") pwsafe-entry))
>> + ;; FIXME: this one is a bit buggy, it should be really not
>> + ;; calling pair-split it might not work in all cases
>> + (entry-password (cdr (pair-split output "passphrase for.*: "))))
>> + (set-x-selection entry-password)
>> + (run-shell-command (with-xsel (format nil "echo \"~a\"" entry-password)
>> "-ib") t)
>> + (message
>> + (format nil "Username: ~a (password copied to clipboard)"
>> + (pwsafe-entry-user-name entry)))))
>> +
>> +(defcommand pwsafe-menu (password) ((:password "Pwsafe password: "))
>> + "Prompt for PASSWORD. Show menu with pwsafe database entries. Let
>> +the user choose entry, put password to clipboard and notify user about
>> +associated username"
>> + (let* ((entries (pwsafe-entries password))
>> + (entry (select-from-menu (current-screen)
>> + (assoc-entries entries))))
>> + (unless entry
>> + (throw 'error :abort))
>> + (pwsafe-password-to-clipboard (cdr entry))))
>> +
>> +(define-stumpwm-type :pwsafe-entry (input prompt)
>> + "This is our type for prompting entry, and performing completion."
>> + (or (argument-pop input)
>> + (let ((password (read-one-line (current-screen) "Pwsafe password: "
>> :password t)))
>> + (when password
>> + (let* ((entries (pwsafe-entries password))
>> + (entries-assoc (assoc-entries entries))
>> + (entry-name (completing-read (current-screen)
>> + prompt
>> + entries-assoc)))
>> + (cdr (assoc entry-name entries-assoc :test #'equal)))))))
>> +
>> +
>> +(defcommand pwsafe-entry (entry) ((:pwsafe-entry "Pwsafe entry: "))
>> + "Prompt for ENTRY with completion, put password in clipboard and
>> +notify user about associated username"
>> + (unless entry
>> + (throw 'error :abort))
>> + (pwsafe-password-to-clipboard entry))
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