idlebiff
patch d280db07c18bbe0bee399bd33a23c813c6215823
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Dec 4 23:41:31 CET 2018
* Add support for SNI
patch a960193b96b178a92741ceb58850f17b29629c95
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Dec 4 21:12:31 CET 2018
* Simplify parser of configuration file
patch 3994fdd764ce973cd13650e4fd820083d9e8b2b5
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Dec 4 20:53:19 CET 2018
* Add title to password dialog
patch e8534a5cb083b3d82aff297783e2c5d2d683c8d3
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Mon Sep 17 16:50:09 CEST 2018
* Reset client keepalive when server keepalive (untagged "OK still here" like response) is detected
patch 0b7e378659f9aec5eff13490775050929649bda2
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Sat Sep 8 21:34:57 CEST 2018
* Set icon to hourglass when the connection is lost and reconnecting
patch 459541a83671f7510008f6add9eed8e5502ea6d3
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Thu Sep 6 01:00:58 CEST 2018
* Move reset idle to exit_idle
patch bd7e29cb071eb7be716e9bb785540882402845f3
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Wed Sep 5 19:21:16 CEST 2018
* Set icon to hourglass when checking mail (searching) and waiting for logout
patch 54015fb789a93e0b2f72a72ded21190f68fc4f59
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Sep 4 21:38:00 CEST 2018
* Replace question mark icon with hourglass
patch 0e5aa389db90fbbc6e6b9515acd3aa92c94731a7
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Sep 4 19:32:19 CEST 2018
* Move non-logout code to cleanup function
patch 3eb89bff44a913b4c504d590cf62cd9c47dd3936
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Sep 4 19:17:08 CEST 2018
* For logout, exit from idle mode only when it is
patch 7eb7e2ff46a284866aa04fa8679ec731279c63c7
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Sun Sep 2 21:20:08 CEST 2018
* Implement correctly LOGOUT command according to RFC 3501, add logout_timeout config option
patch dc30edb7135409c41683a29f0a23684e7805693c
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Sun Sep 2 19:44:50 CEST 2018
* Use defaulted argument in imap_command_tagged function, ifempty function not necessary
patch 1fa87126792bb5a286620f7604fe9c0affd81637
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Fri Aug 31 22:07:57 CEST 2018
* Simplify ifempty function
patch c10ef6fde35c32a02b4d6ceb7731589dd6e207a0
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Fri Aug 31 21:32:14 CEST 2018
* Simplify interface for imap_command_tagged function
patch 564fe5aa95af90b3fb9e3d522c114fecd249b914
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Fri Aug 31 00:48:30 CEST 2018
* Set some defaults for missing config options
patch 6cb864e02d9646202d1c02fce406e57ba2059f46
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Thu Aug 30 00:52:43 CEST 2018
* Add imap_trace option to show IMAP protocol dialog
patch 55c1cbaf4c675e24f783478cf8aaa869449f3c17
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Fri Aug 24 22:40:19 CEST 2018
* Add error wrapper, later can be a window dialog or something
patch c074e25fdf925ae76c798e8303f50d1509e2ac79
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Thu Sep 7 00:08:44 CEST 2017
* Simplify or, and procs
patch d6716f5f719e0e6b712139717e6df63ca44fd4db
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Sep 5 22:19:09 CEST 2017
* Fix style to avoid double substitution
patch dd4031d5b1d6adb28dec8dd4ebef7e6da146ce12
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Thu Aug 17 02:18:12 CEST 2017
* Add tag to LOGIN command in debug omiting the credentials (commented)
patch 16034f2b6f19369d43dc6b1c91c184734f75185a
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Wed Jan 11 01:00:25 CET 2017
* Change expressions from infix to prefix notation
patch 2b11c67e9dd039c4f3bce6bf120363cfc66bd5d4
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Jan 3 20:44:31 CET 2017
* Improve capabilities parsing, remove initial noop by default
patch c70c6d824c3dc25edbb1417483f26cbb303dbc80
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Jan 3 19:53:17 CET 2017
* Improve parsing in IDLE mode
patch 6c43ff2e14364f2547e281a6e97b9ddbe1645f81
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Dec 13 23:21:49 CET 2016
* Simplify regular expressions
patch 61926820804dbe5661d868d10142ef8ce839735b
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Dec 13 22:03:31 CET 2016
* Fix end-of-line character handling
patch 3d92c90730176e9d354ceba7423397306f7196f3
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Mon Nov 28 00:54:07 CET 2016
* Correct tls_validate_cert config option (was forced to 1 even when set to 0)
patch abecc24572d6c212ae41f2d9617b225433422c4c
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Nov 22 23:55:46 CET 2016
* Remove unused variable
patch 6dd64c777afb2deec0c3dcfacbba3552e409ead6
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue Nov 22 23:26:40 CET 2016
* Handle multiline SEARCH responses (according to http://imapwiki.org/ClientImplementation/Search)
patch 287378ffe6ada32c8197ae2c266578bf469f554e
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Wed Nov 16 23:03:15 CET 2016
* Wait for response of SEARCH (get the number of messages) before sending the IDLE command
patch 83b5d85caf2a4557ec715816e73d43b4a9b8ac06
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Wed Nov 16 21:33:45 CET 2016
* Add config option "criteria" for IMAP SEARCH criteria (UNSEEN by default)
patch 5511dcb92b2c3f22d8aaf1cdcb93de720aa6eee1
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Sat Nov 12 19:01:49 CET 2016
* Remove unnecessary braces
patch ea4b60e19dd0d98535541f44247b8821d9c16d06
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Fri Sep 9 21:09:18 CEST 2016
* Add output for debugging (commented)
patch ebc8d6d2521391e4354381e0396671bb7d41852d
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Fri Sep 9 12:51:40 CEST 2016
* Improve/fix reconnection functionality
patch aa141d8d814fb6fda062d68c9250359ca41438ec
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Wed Jun 8 15:35:03 CEST 2016
* Fix style and operators of some expressions
patch 734e04efcdbee633dd1621cd32d7327e62819e6c
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Wed Jun 8 11:34:39 CEST 2016
* Strip unused braces and lines
patch 7cf737ec305ade9759d13a9fa2f5ef70b6158c45
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Wed Jun 8 00:14:13 CEST 2016
* Add an option (tls_ca_subject) to check the subject of the root certificate, to avoid attacks with leaf certificates generated by compromissed or malicious certificate authorities, this is a key pinning mechanism
patch 80544e6a2108d1f5387f5fd676b89c934181460d
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Wed Jun 8 00:00:48 CEST 2016
* Improve parser of configuration file
patch 7338b38e3656d3cfd65724e679fefc686d08e9b2
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Sun Jun 5 23:26:38 CEST 2016
* Fix options passed to tls (were not having effect)
patch b0cebeb0d05720d8b145fc479b09238a463a26cf
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Sat Jun 4 17:05:02 CEST 2016
* Improve capabilities parse routine
patch c673de820d8f38ff45a5ee81cdd1a48c1ae5a229
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Wed Jun 1 01:36:58 CEST 2016
* Fix regular expressions for capabilities
patch e5c973637923fda8b5c042f0135d08965c6ac2de
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Tue May 31 17:06:39 CEST 2016
* Support extension to SEARCH (RFC-4731) when available (via ESEARCH capability) to make UNSEEN queries more efficient
patch ff24551724e04c3827a8d24ee5495dd643bc65ee
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Mon May 30 20:53:02 CEST 2016
* Use SEARCH command instead of STATUS for UNSEEN query as it's more efficient and correct according to RFC-3501
patch f60229b708e75d0875fccec0e71aa2867c3872c7
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Sun May 29 11:22:47 CEST 2016
* Extract unseen parse code to a new function
patch bc029232d2b2f3bd50e9f633610be6dbddee31a7
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Sun May 29 02:25:34 CEST 2016
* Add home directory to config path
patch b9e1a59375fcf26841ae8132aa84471114dcd7c9
Author: Enrique D. Bosch <presidev@AT@gmail.com>
Date: Sun May 29 02:23:48 CEST 2016
* Initial record
diff -rN -u old-idlebiff/idlebiff new-idlebiff/idlebiff
--- old-idlebiff/idlebiff 1970-01-01 01:00:00.000000000 +0100
+++ new-idlebiff/idlebiff 2024-06-02 08:40:06.625290098 +0200
@@ -0,0 +1,685 @@
+#!/usr/bin/tclsh
+
+# idlebiff: check for new mail in an IMAP account using IDLE extension
+# the notifications arrives as soon as there is new mail
+# Copyright (C) 2016 Enrique D. Bosch 'presi'
+
+# idlebiff is based on the ideas of xbiff and imapbiff but the code is
+# entirely rewritten
+
+# This program 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.
+#
+# This program 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 program. If not, see <http://www.gnu.org/licenses/>.
+
+package require Tk
+package require crc32
+package require tkpng
+package require png
+package require tooltip
+
+namespace path ::tcl::mathop
+proc or args { foreach x $args { if { $x } { return 1 } }; return 0 }
+proc and args { foreach x $args { if { $x } continue { return 0 } }; return 1 }
+
+proc setappend { var args } { upvar 1 $var v; set v [ join $args {} ] }
+
+proc check_conf_and_set_default { opt default } \
+{
+ variable ::shared::conf
+
+ if {![ info exists conf($opt) ]} { set conf($opt) $default }
+}
+
+namespace eval static \
+{
+ variable ntag 1
+ variable ccsp 0
+ variable pmsgs 0
+ variable search_resp 0
+ array set ccsu {}
+}
+
+namespace eval shared \
+{
+ variable idle 0
+ array set cap \
+ {
+ logindisabled 0
+ logindisabled_chk 0
+ chk 0
+ idle 0
+ esearch 0
+ }
+ variable search
+ variable rexp_chk
+ variable rexpsearch
+ variable sock
+ variable conf
+ array set conf {}
+ variable tevent
+ array set tevent {}
+ variable teidi 0
+ variable teidf 0
+ variable ka 0
+ variable img_up
+ variable img_down
+ variable img_chk
+ variable new_messages 0
+ variable tag
+}
+
+proc define_pixmaps {} \
+{
+ variable ::shared::img_up
+ variable ::shared::img_down
+ variable ::shared::img_chk
+ variable ::shared::conf
+
+ set img_up [ image create photo -format png -file $conf(png_up) ]
+ set img_down [ image create photo -format png -file $conf(png_down) ]
+ set img_chk [ image create photo -format png -file $conf(png_chk) ]
+}
+
+proc icon {} \
+{
+ variable ::shared::img_up
+ variable ::shared::img_down
+ variable ::shared::img_chk
+ variable ::shared::conf
+
+ set pnginfo [ ::png::imageInfo $conf(png_up) ]
+ set png_up_w [ dict get $pnginfo width ]
+ set png_up_h [ dict get $pnginfo height ]
+
+ set pnginfo [ ::png::imageInfo $conf(png_down) ]
+ set png_down_w [ dict get $pnginfo width ]
+ set png_down_h [ dict get $pnginfo height ]
+
+ set pnginfo [ ::png::imageInfo $conf(png_chk) ]
+ set png_chk_w [ dict get $pnginfo width ]
+ set png_chk_h [ dict get $pnginfo height ]
+
+ set size_not_same [ or [ != $png_up_w $png_down_w ] [ != $png_down_w $png_chk_w ] [ != $png_up_h $png_down_h ] [ != $png_down_h $png_chk_h ] ]
+ if { $size_not_same } { emit_error size }
+
+ wm title . idlebiff
+ wm iconname . idlebiff
+ append geom [ + $png_up_w 10 ] x [ + $png_up_h 10 ]
+ if {[ and $conf(pos_x) $conf(pos_y) ]} { append geom + $conf(pos_x) + $conf(pos_y) }
+ wm geometry . $geom
+ wm resizable . 0 0
+ wm overrideredirect . $conf(nodecor)
+
+ frame .frame
+ pack .frame -expand 1 -fill both
+ canvas .frame.canvas -width $png_up_w -height $png_up_h -bd 10 -relief sunken
+ pack .frame.canvas -expand 1 -fill both
+
+ define_pixmaps
+
+ button .frame.canvas.button -image $img_chk -cursor left_ptr
+ .frame.canvas create window 0 0 -window .frame.canvas.button -anchor nw
+ pack .frame.canvas.button -expand 1 -fill both
+
+ bind .frame.canvas.button <Button-1> force_down
+ bind .frame.canvas.button <Button-2> { cleanup $con }
+ bind .frame.canvas.button <Button-3> { idle_cycle $con 1 }
+}
+
+proc get_password bad \
+{
+ variable ::shared::conf
+ upvar #0 pass pass
+
+ if { $bad } { set textbad "WRONG PASSWORD\n" } \
+ else { set textbad {} }
+ if { !$conf(tls) } { set nv "\nWARNING: INSECURE CONNECTION" }
+
+ toplevel .tl
+ wm title .tl {idlebiff: password}
+ message .tl.msg -bg black -fg yellow -width 400 -justify center \
+ -text "${textbad}Enter password for\n$conf(user) at $conf(host)"
+ pack .tl.msg -side top -fill both
+ entry .tl.entry -relief sunken -bg grey -fg black -width 30 -show *
+ pack .tl.entry -side top
+ button .tl.bok -text OK -padx 20 -command { set pass [ .tl.entry get ]; destroy .tl }
+ pack .tl.bok -side right
+ bind .tl.entry <Return> { .tl.bok invoke }
+ button .tl.bc -text Cancel -command { cleanup $con } -padx 20
+ pack .tl.bc -side left
+ focus .tl.entry
+ vwait pass
+ set p $pass
+ unset pass
+ return $p
+}
+
+proc update_img img \
+{
+ variable ::shared::conf
+ variable ::shared::new_messages
+
+ .frame.canvas.button configure -image $img
+ if { $conf(tip) } { tooltip::tooltip .frame.canvas $new_messages }
+}
+
+proc read_conf {} \
+{
+ upvar #0 argv arg argc argn
+ variable ::shared::conf
+
+ if {[ == $argn 1 ]} { set config $arg } else { set config "$::env(HOME)/.idlebiffrc" }
+ set cf [ open $config ]
+ while {[ >= [ gets $cf lin ] 0 ]} \
+ {
+ if {[ == [ string index [ string trim $lin ] 0 ] # ]} continue
+ set lconf [ split $lin = ]
+ set val [ join [ lassign $lconf key ] = ]
+ set conf([ string trim $key]) [ string trim $val ]
+ }
+}
+
+proc set_params {} \
+{
+ variable ::shared::rexp_chk
+
+ check_conf_and_set_default criteria UNSEEN
+ check_conf_and_set_default nodecor 1
+ check_conf_and_set_default tip 0
+ check_conf_and_set_default tls 0
+ check_conf_and_set_default tls_validate_cert 1
+ check_conf_and_set_default initial_noop 0
+ check_conf_and_set_default imap_trace 0
+ set rexp_chk {(?: |\[)capability }
+}
+
+proc set_search_params {} \
+{
+ variable ::shared::cap
+ variable ::shared::search
+ variable ::shared::rexpsearch
+ variable ::shared::conf
+
+ if { $cap(esearch) } \
+ {
+ set search "SEARCH RETURN (COUNT) $conf(criteria)"
+ set rexpsearch {^\* esearch \(tag [^)]*\) count (.*)$}
+ } \
+ else \
+ {
+ set search "SEARCH $conf(criteria)"
+ set rexpsearch {^\* search((?: .*|$))}
+ }
+}
+
+proc emit_error args { error $args }
+
+proc set_timeout {} \
+{
+ variable ::shared::conf
+ variable ::shared::tevent
+ variable ::shared::teidf
+
+ set tevent($teidf) [ after ${conf(timeout)}000 \
+ {
+ update_img $::shared::img_chk
+ cancel_timeout
+ close $con
+ init
+ } \
+ ]
+ incr teidf
+}
+
+proc cancel_timeout {} \
+{
+ variable ::shared::tevent
+ variable ::shared::teidi
+
+ if {[ info exists tevent($teidi) ]} \
+ {
+ after cancel $tevent($teidi)
+ unset tevent($teidi)
+ incr teidi
+ }
+}
+
+proc exec_terse { com args } \
+{
+ if {[ catch { set res [ eval "$com [ join $args]" ] } ]} \
+ {
+ set terse [ split $::errorInfo "\n" ]
+ puts [ join [ lrange $terse 0 0 ] ]
+ exit 1
+ }
+ return $res
+}
+
+proc recon con \
+{
+ variable ::shared::ka
+ variable ::shared::idle
+ variable ::shared::img_chk
+
+ after cancel $ka
+ update_img $img_chk
+ set idle 0
+ catch { close $con }
+ after 3000 init
+}
+
+proc imap_command { con com } \
+{
+ variable ::shared::conf
+
+ if { $conf(imap_trace) } \
+ { if {[ regexp {.*LOGIN.*} $com ]} { puts "C: [string range $com 0 10]" } else { puts "C: $com" } }
+
+ set r [ catch { puts $con $com } ]
+ if {[ eq $com LOGOUT ]} return
+ if { $r } \
+ {
+ recon $con
+ return
+ }
+ set_timeout
+}
+
+proc imap_command_tagged { con com { prefix A } } \
+{
+ variable ::static::ntag
+ variable ::shared::tag
+
+ if {[ == $ntag 10000 ]} { set ntag 1 }
+ setappend tag $prefix [ format %04d $ntag ]
+ append tcom $tag { } $com
+ imap_command $con $tcom
+ incr ntag
+}
+
+proc ok_tagged { linea { tag {A\d+} } } \
+{
+ append rexp {^} $tag { ok.*$}
+ return [ regexp -lineanchor -nocase $rexp $linea ]
+}
+
+proc ok_untagged linea \
+{
+ return [ regexp -lineanchor -nocase {^\* ok.*$} $linea ]
+}
+
+proc no_tagged linea \
+{
+ return [ regexp -lineanchor -nocase {^A\d+ no.*$} $linea ]
+}
+
+proc login { con retr } \
+{
+ variable ::shared::conf
+ variable ::shared::cap
+
+ if { $cap(logindisabled) } { emit_error logindisabled }
+
+ if { $retr } { unset conf(pass) }
+ if { ![ info exists conf(pass) ] } { set conf(pass) [ get_password $retr ] }
+
+ imap_command_tagged $con "LOGIN $conf(user) $conf(pass)"
+}
+
+proc logout con \
+{
+ variable ::shared::conf
+
+ fileevent $con readable { parse_logout $con }
+ after ${conf(timeout_logout)}000 \
+ {
+ close $con
+ exit 0
+ }
+ imap_command_tagged $con LOGOUT
+}
+
+proc cleanup con \
+{
+ variable ::shared::ka
+ variable ::shared::img_chk
+ variable ::shared::idle
+
+ update_img $img_chk
+ after cancel $ka
+ if { $idle } { exit_idle $con }
+ logout $con
+}
+
+proc force_down {} \
+{
+ variable ::shared::img_down
+
+ update_img $img_down
+}
+
+proc enter_idle con \
+{
+ imap_command_tagged $con IDLE
+}
+
+proc exit_idle con \
+{
+ variable ::shared::idle
+
+ set idle 0
+ imap_command $con DONE
+}
+
+proc enter_mailbox con \
+{
+ variable ::shared::conf
+
+ imap_command_tagged $con "EXAMINE $conf(mailbox)"
+}
+
+proc exit_mailbox con \
+{
+ imap_command_tagged $con CLOSE
+}
+
+proc do_search con \
+{
+ variable ::shared::search
+ variable ::shared::img_chk
+
+ update_img $img_chk
+ imap_command_tagged $con $search
+}
+
+proc check_cap { linea args } \
+{
+ variable ::shared::cap
+ variable ::shared::rexp_chk
+
+ if {[ regexp -nocase -lineanchor $rexp_chk $linea ]} \
+ {
+ if {[ eq $args logindisabled ]} { set cap(logindisabled_chk) 1 } \
+ else { set cap(chk) 1 }
+ foreach capname $args \
+ {
+ if { !$cap($capname) } \
+ {
+ set rexp_cap " ${capname}(?: |]|$)"
+ set cap($capname) [ regexp -nocase -lineanchor $rexp_cap $linea ]
+ }
+ }
+ }
+}
+
+proc idle_cycle { con check } \
+{
+ variable ::shared::conf
+ variable ::shared::ka
+
+ after cancel $ka
+ exit_idle $con
+ if { $check } { do_search $con } \
+ else { enter_idle $con }
+ set ka [ after ${conf(keepalive)}000 { idle_cycle $con 0 } ]
+}
+
+proc init_idle con \
+{
+ variable ::shared::conf
+ variable ::shared::ka
+ variable ::shared::cap
+
+ if { !$cap(idle) } { emit_error noidle }
+ fileevent $con readable { parse_idle_check $con }
+ enter_mailbox $con
+ set_search_params
+ do_search $con
+ set ka [ after ${conf(keepalive)}000 { idle_cycle $con 0 } ]
+}
+
+proc parse_greeting con \
+{
+ variable ::shared::cap
+
+ set linea [ read_line $con ]
+ check_cap $linea logindisabled
+ if {[ ok_untagged $linea ]} \
+ {
+ if { $cap(logindisabled_chk) } \
+ {
+ fileevent $con readable { parse_login $con }
+ login $con 0
+ } \
+ else \
+ {
+ fileevent $con readable { parse_logindisabled $con }
+ imap_command_tagged $con CAPABILITY
+ }
+ }
+}
+
+proc parse_logindisabled con \
+{
+ variable ::shared::cap
+
+ set linea [ read_line $con ]
+ check_cap $linea logindisabled
+ if {[ ok_tagged $linea ]} \
+ {
+ if { $cap(logindisabled_chk) } \
+ {
+ fileevent $con readable { parse_login $con }
+ login $con 0
+ }
+ }
+}
+
+proc parse_login con \
+{
+ variable ::shared::cap
+
+ set linea [ read_line $con ]
+ check_cap $linea idle esearch
+ if {[ ok_tagged $linea ]} \
+ {
+ if { $cap(chk) } { init_idle $con } \
+ else \
+ {
+ fileevent $con readable { parse_cap $con }
+ imap_command_tagged $con CAPABILITY
+ }
+ } \
+ elseif {[ no_tagged $linea ]} { login $con 1 }
+}
+
+proc parse_cap con \
+{
+ set linea [ read_line $con ]
+ check_cap $linea idle esearch
+ if {[ ok_tagged $linea ]} { init_idle $con }
+}
+
+proc parse_idle_check con \
+{
+ variable ::shared::idle
+ variable ::shared::ka
+ variable ::shared::conf
+
+ if {[ catch { set linea [ read_line $con ] } ]} return
+ set prim [ string range $linea 0 0 ]
+ if {[ eq $prim + ]} { set idle 1 } \
+ elseif { $idle } \
+ {
+ if {[ eq $prim * ]} \
+ {
+ if {[ ok_untagged $linea ]} \
+ {
+ after cancel $ka
+ set ka [ after ${conf(keepalive)}000 { idle_cycle $con 0 } ]
+ } \
+ else { idle_cycle $con 1 } \
+ } \
+ } \
+ else { parse_search $con $linea }
+}
+
+proc parse_search { con linea } \
+{
+ variable ::shared::conf
+ variable ::shared::img_up
+ variable ::shared::img_down
+ variable ::shared::new_messages
+ variable ::shared::cap
+ variable ::shared::rexpsearch
+ variable ::static::pmsgs
+ variable ::static::search_resp
+
+ if {[ regexp -lineanchor -nocase $rexpsearch $linea -> res ]} \
+ {
+ if { $cap(esearch) } { set pmsgs $res } else { incr pmsgs [ llength $res ] }
+ set search_resp 1
+ }
+ if {[ and $search_resp [ ok_tagged $linea ] ]} \
+ {
+ enter_idle $con
+ set new_messages $pmsgs
+ set pmsgs 0
+ set search_resp 0
+ if {[ > $new_messages 0 ]} \
+ { set current $img_up } \
+ else { set current $img_down }
+ update_img $current
+ }
+ if {[ no_tagged $linea ]} { emit_error search }
+}
+
+proc parse_logout con \
+{
+ variable ::shared::conf
+ variable ::shared::tag
+
+ if {[ catch { gets $con linea } ]} return
+ if { $conf(imap_trace) } { puts "S: $linea" }
+ if {[ ok_tagged $linea $tag ]} \
+ {
+ close $con
+ exit 0
+ }
+}
+
+proc read_line con \
+{
+ variable ::shared::conf
+
+ cancel_timeout
+ if {[ catch { set r [ gets $con line ] } ]} \
+ {
+ recon $con
+ return -code error
+ }
+ if {[ regexp -lineanchor -nocase {^\* bye(?: .*|$)} $line ]} \
+ {
+ recon $con
+ return -code error
+ }
+ if {[ and [ < $r 1 ] [ eof $con ] ]} \
+ {
+ recon $con
+ return -code error
+ } \
+ else \
+ {
+ if { $conf(imap_trace) } { puts "S: $line" }
+
+ return $line
+ }
+}
+
+proc parse_cert_subject sub \
+{
+ set cst [ split [ string map { , = / = } $sub ] = ]
+ foreach v $cst { lappend cstp [ string trim $v ] }
+ return $cstp
+}
+
+proc tls_cb { type channel depth cert status error } \
+{
+ variable ::shared::conf
+ variable ::static::ccsu
+ variable ::static::ccsp
+
+ array set ca $cert
+ if {[ info exists conf(tls_ca_subject) ]} \
+ {
+ if {[ and [ ne $conf(tls_ca_subject) {} ] [ eq $type verify ] [ eq $ca(subject) $ca(issuer) ] ]} \
+ {
+ array set csu [ parse_cert_subject $ca(subject) ]
+ if { !$ccsp } \
+ {
+ array set ccsu [ parse_cert_subject $conf(tls_ca_subject) ]
+ set ccsp 1
+ }
+ foreach i [ array names ccsu ] \
+ {
+ if { ![ info exists csu($i) ] } { emit_error cert }
+ if {[ ne $csu($i) $ccsu($i) ]} { emit_error cert }
+ }
+ }
+ }
+}
+
+proc init_tls {} \
+{
+ variable ::shared::conf
+ variable ::shared::sock
+
+ if { $conf(tls) } \
+ {
+ set tlsv [ package require tls ]
+ if {[ >= $tlsv 1.6.4 ]} { set tls1x {-tls1.1 1 -tls1.2 1} } \
+ else { set tls1x {} }
+ if {[ info exists conf(sni) ]} { set sni "-servername $conf(sni)" } \
+ else { set sni {} }
+ set sock "::tls::socket -ssl2 0 -ssl3 0 -tls1 1 $tls1x \
+ -cafile \"$conf(tls_ca_file)\" \
+ -cadir \"$conf(tls_ca_dir)\" \
+ -certfile \"$conf(tls_client_cert)\" \
+ -keyfile \"$conf(tls_client_key)\" \
+ -request \"$conf(tls_validate_cert)\" \
+ -require \"$conf(tls_validate_cert)\" \
+ -cipher \"$conf(tls_ciphers)\" \
+ $sni \
+ -command tls_cb"
+ } \
+ else { set sock socket }
+}
+
+proc init {} \
+{
+ upvar #0 con con
+ variable ::shared::conf
+ variable ::shared::sock
+
+ set con [ exec_terse $sock -async $conf(host) $conf(port) ]
+ fconfigure $con -blocking 0 -buffering line -translation {crlf crlf}
+ fileevent $con readable { parse_greeting $con }
+ if { $conf(initial_noop) } { imap_command_tagged $con NOOP N }
+}
+
+read_conf
+set_params
+icon
+init_tls
+init
+
+vwait forever