-
Notifications
You must be signed in to change notification settings - Fork 5
/
nxnode
executable file
·1487 lines (1378 loc) · 51.5 KB
/
nxnode
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/bin/bash
# Free implementation of nxserver components
# Copyright (c) 2004 by Fabian Franz.
# (c) 2008-23 by Dmitry Borisov <[email protected]>
# License: GNU GPL, version 2
shopt -s extglob
SHARED_CONFS="/usr/share/freenx-server"
. $SHARED_CONFS/nxfuncs
[ "$1" = "--admin" ] && { # simple wrapper to start nxserver in admin mode
if stringinstring " nxadmin " " $(groups) "; then
/usr/bin/sudo -p "" /bin/bash -c '/usr/bin/nxserver --admin' 2>&1
exit $?
else
echo "NX> 2004 admin mode start failed"
exit 1
fi
}
#
# -----------------------------------------------------------------------------
# Various helper functions
# -----------------------------------------------------------------------------
#
nxlog() {
[ "$NX_LOG_LEVEL" != "0" ] || return
echo "$(date "+%T.%3N"): ${@/password=+([^&])&/password=*&}" >> "$nxuser_logfile"
}
cp_conv() {
# arg: <string>
# Used config vars: $COMMAND_ICONV $WIN_CP_CONVERT_CHAIN
# successively convert string charset
#local lp="$FUNCNAME ($$/$BASHPID):"; #debug
#nxlog "$lp starting with args \"$@\"" #debug
local res=${1//+/ } cp_pair cp_from cp_to;
[ -n "$COMMAND_ICONV" ] || { echo "$res"; return 1; }
for cp_pair in $WIN_CP_CONVERT_CHAIN ; do
cp_from=$(cutfn "$cp_pair" 0 '>'); [ -n "$cp_from" ] || cp_from="latin1"
cp_to=$(cutfn "$cp_pair" 1 '>'); [ -n "$cp_to" ] || cp_to="UTF-8"
res=$(echo "$res" | $COMMAND_ICONV -f $cp_from -t $cp_to)
#nxlog "$lp converting $cp_from > $cp_to == \"$res\"" #debug
done
#nxlog "$lp return res='$res'" #debug
echo "$res"
}
# =================== sqlite3 stuff =====================
declare -g sqcols_usess="session_id, status, display, type, client,\
agent_pid, cookie, tail_pid, userip, acc_ip, mmport, cupsport, smbport"
declare -g sqcols_usvcs="svc, type, status, port, share, username, pass,\
data, comp, addr"
#svc: internal service name
#type: smb-share | smb-prn | ipp-prn | media-pa | ...
#status: starting|on|stopping|off
#port: tunneled/remote port
#share: incomming share name
#data: options depended of service type eg mount dir...
#comp: remote computer name
#addr: ip address is 127.0.0.1 typically, another if remote connection used
init_usessions_db() {
local usess_cols="session_id TEXT PRIMARY KEY, status TEXT, display TEXT,\
type TEXT, client TEXT, agent_pid INT, cookie TEXT, tail_pid INT,\
userip TEXT, acc_ip TEXT, mmport INT, cupsport INT, smbport INT"
local svcs_cols="svc TEXT PRIMARY KEY, type TEXT, status TEXT, port INT,\
share TEXT, comp TEXT, addr TEXT, username TEXT, pass TEXT, data TEXT"
local qstr="CREATE TABLE IF NOT EXISTS usessions.usess($usess_cols);"
qstr+="CREATE TABLE IF NOT EXISTS usessions.usvcs($svcs_cols);"
q_dbe "$qstr"
}
# ------------------ user session (usess) control --------
usess_add() { q_row_ins "usess" "$1" "$2"; }
#usess_add() args: <col1,col2...> <val1&val2...>
usess_set() { q_rows_upd "usess" "session_id='$1'" "$2" "$3"; }
#usess_set() args: <session_id> <col1,col2...> <val1&val2...>
usess_get() { q_vals_str_get "usess" "session_id='$1'" "$2" "$3"; }
#usess_get() args: <session_id> <col1,col2...> [values_delim='&']
usess_close() {
#args: <session_id> <status>
if [ "$SESSION_LOG_CLEAN" = "1" ]; then
q_dbe "DELETE FROM usess WHERE session_id='$1';"
else
q_rows_upd "usess" "session_id='$1'" "status" "$2"
fi
}
# -------------- user services (uservices) control --------
#usvcs_add() args: <col1,col2...> <val1&val2...>
usvcs_add() { q_row_ins "usvcs" "$1" "$2"; }
#usvcs_set() args: <service> <col1,col2...> <val1&val2...>
usvcs_set() { q_rows_upd "usvcs" "svc='$1'" "$2" "$3"; }
#usvcs_get() args: <service> <col1,col2...> [values_delim='&']
usvcs_get() { q_vals_str_get "usvcs" "svc='$1'" "$2" "$3"; }
#
# -----------------------------------------------------------------------------
# Node functions module
# -----------------------------------------------------------------------------
#
sess_lport_name() {
#arg: <svc_type>
case $1 in
smb-share|smb-prn) echo "smbport";;
ipp-prn) echo "cupsport";;
media-pa) echo "mmport";;
esac
}
norm_dir() {
#args: <share_dir> [parent_dir]
# exclude potential parts to exec and set dir path from given parent_dir
local r=${1//\`/}; r=${r//\$[(\{]*[)\}]/$2}; r=${r/\.\.\//$2\/};
r=${r/\.\//$2\/}; r=${r/\~\//$2\/}
[[ "${r:0:1}" =~ [[:alnum:]] ]] && r="$2/$r"
echo "$r"
}
uservice_mounted() {
#args: <type> <service/sharename/mountpoint> [port]
local rc=0 txt="" pattern port=""
local patt_addr="127.0.0.1"; [ -n "$4" ] && patt_addr=$4
case $1 in
smb-share)
# output of mount cmd not contains mount.cifs port option value
# because we need to port arg ($3)
txt=$(env LC_ALL=C $COMMAND_MOUNT_LIST 2>/dev/null)
if stringinstring "//" "$2"; then pattern="($2)"
elif ! stringinstring "/" "$2"; then pattern="//$patt_addr/($2)"
else pattern="($2)"
fi
[ -n "$(rematchfn "$pattern" "$txt")" ] || return 1
if [ -n "$3" ]; then
port_is_listening $3 || rc=1
fi
;;
smb-prn|ipp-prn)
txt=$(env LC_ALL=C $COMMAND_LPSTAT -v 2>/dev/null)
pattern=".*$2.*//$patt_addr:("
[ -n "$3" ] && pattern+="$3)" || pattern+="$num_pattern)"
port=$(rematchfn "$pattern" "$txt"); rc=$?
[ -n "$port" ] || return $rc
port_is_listening "$port" || rc=1
;;
media-pa)
case $2 in
pa) # tunneled pa
#$COMMAND_PA --check || return 1
txt=$(env LC_ALL=C $COMMAND_PACTL list short 2>/dev/null)
pattern="server=$patt_addr:("
[ -n "$3" ] && pattern+="$3)" || pattern+="[0-9]+)"
port=$(rematchfn "$pattern" "$txt"); rc=$?
#nxlog "$1 port=$port" #debug
[ -n "$port" ] || return $rc
port_is_listening "$port" || rc=1
;;
esac
;;
esac
return $rc
}
uservice_configure() {
#args:
# smb-share <svc> <port> <username> <password> <dir> <computername>
# *-prn <svc> <port> <username> <password> <opts> <computername> <share>
# opts="model=;public=;defaultprinter="
# media-pa <svc> <port> <""> <""> <opts>
local lp="$FUNCNAME ($$/$BASHPID):";
local cmdstr optstr comp rc=0 txt errstr uri
case $1 in
smb-share)
# create/check mountpoint
mkdir -p "$6" &>/dev/null
[ -d "$6" ] || { nxlog "$lp unable to create dir='$6'"; return 1; }
local egroup=$(id -gn "$USER") tmpopts=${SMB_MOUNT_OPTIONS//,/&}
local dir_mode=$(getparam "$tmpopts" dir_mode)
dir_mode=${dir_mode:(-3)}; [ -n "$dir_mode" ] || dir_mode="700"
[ "$(stat -c %a "$6")" != "$dir_mode" ] && chown "0$dir_mode" "$6" &>/dev/null
# mount options string
optstr="uid=$USER,gid=$egroup,ip=127.0.0.1,port=$3,username=$4"
[ -n "$5" ] && optstr+=",password=$5"
[ -n "$SMB_MOUNT_OPTIONS" ] && optstr+=",$SMB_MOUNT_OPTIONS"
cmdstr="$COMMAND_SUDO $COMMAND_SMBMOUNT $2 $6 -o $optstr"
echo "$cmdstr"
;;
smb-prn|ipp-prn)
local model=$(getparam "$6" "model" "" ';')
[ "$model" = "NULL" ] && model=""
local ppdn=${2#$USER}; ppdn=${ppdn:1}; ppdn=${ppdn%#[0-9]*}
local ppdfn="$NX_PPD_DIR/$ppdn.ppd"
[ -r "$ppdfn" ] || { # ppd is not found, search for driver in CUPS
txt=$($COMMAND_LPINFO -m 2>/dev/null)
local str drv=""
[ -n "$model" ] && {
while read str; do
[[ "$str" =~ "$model" ]] && { drv="${str%% *}"; break; }
done <<< "$txt"
}
[ -n "$drv" ] || {
while read str; do
[[ "$str" =~ "$ppdn" ]] && { drv="${str%% *}"; break; }
done <<< "$txt"
}
[ -n "$drv" ] || {
nxlog "$lp '$svc'; CUPS driver for service is not found";
return 1; }
$COMMAND_PPDCAT cat "$drv" > "$ppdfn" || {
nxlog "$lp Can't save $ppdfn"; return 1; }
}
[ "${1:0:3}" = "smb" ] && \
uri="nxsmb://$4:[email protected]:$3/cifs/$8" || \
uri="ipp://$4:[email protected]:$3/printers/$8"
cmdstr="$COMMAND_SUDO $COMMAND_LPADMIN -p $svc -P $ppdfn -v $uri -E"
echo "$cmdstr"
;;
media-pa)
case $2 in
pa) # tunneled pa
local uri="127.0.0.1:$3"
# get sink and source from remote pa
local rmods=$(env LC_ALL=C $COMMAND_PACTL -s $uri list short 2>/dev/null)
[ -n "$rmods" ] || {
nxlog "$lp '$svc'; can't get module list from remote PA ($uri)";
return 1; }
local rsink=$(rematchfn "(ts_receiver)" "$rmods") #"
local rsource=$(rematchfn "(ts_sender.monitor)" "$rmods") #"
[ -n "$rsink" -a -n "$rsource" ] || {
local rinfo=$(env LC_ALL=C $COMMAND_PACTL -s $uri info 2>/dev/null)
[ -n "$rsink" ] || \
rsink=$(rematchfn "Default Sink:[[:blank:]]+(.+)" "$rinfo") #"
[ -n "$rsource" ] || \
rsource=$(rematchfn "Default Source:[[:blank:]]+(.+)" "$rinfo") #"
}
echo "$rsink $rsource"
;;
esac
;;
esac
return $rc
}
uservice_mount() {
#args:
# smb-share <svc> <port> <username> <password> <dir> <computername>
# *-prn <svc> <port> <username> <password> <opts> <computername> <share>
# media-pa <svc> <port> "" "" <mode> <computername>
local lp="$FUNCNAME ($$/$BASHPID):" rc=0 cmdstr errstr
local i ok="" step=0.25 timeo=28 #7sec
for (( i=0; i<=timeo; i++ )); do
port_is_listening $3 && { ok="1"; break; }
sleep $step"s"
done
[ -n "$ok" ] || \
{ nxlog "$lp '$svc'; port $3 is not listen after $((timeo/4))s";
return 1; }
cmdstr=$(uservice_configure "$1" "$2" "$3" "$4" "$5" "$6" "$7" "$8") || return 1
case $1 in
smb-share)
#nxlog "$lp share cmdstr='$cmdstr'" #debug
errstr=$($cmdstr 2>&1) || \
{ nxlog "$lp $2 ($3) share mount failed: $errstr"
rmdir "$6" &>/dev/null; return 1; }
nxlog "$lp $2 ($3) share mounted"
;;
smb-prn|ipp-prn)
#nxlog "$lp add printer cmdstr='$cmdstr'" #debug
errstr=$($cmdstr 2>&1) || \
{ nxlog "$lp $2 ($3) printer installing failed: $errstr"; return 1; }
# post-configure
local public=$(getparam "$6" "public" "" ';')
[ "$public" != "1" ] && {
errstr=$($COMMAND_SUDO $COMMAND_LPADMIN -p $svc -u allow:$USER,guest,root 2>&1) || \
{ nxlog "$lp $2 ($3) printer set permission failed: $errstr"; }
}
local defp=$(getparam "$6" "defaultprinter" "" ';')
[ "$defp" = "1" ] && {
errstr=$($COMMAND_SUDO $COMMAND_LPADMIN -d $svc 2>&1) || \
{ nxlog "$lp $2 ($3) printer set to default failed: $errstr"; }
}
nxlog "$lp $2 ($3) printer installed"
;;
media-pa)
if ! $COMMAND_PA --check &>/dev/null; then
$COMMAND_PA --start --exit-idle-time=-1 &>/dev/null || {
#--log-target=file:$nx_dir/pa-$3.log --log-level=4 || { #debug
nxlog "$lp '$svc' can't start local pulseaudio server";
return 1; }
# automatic null-sink will be disabled
# unload unnecessary local modules here too
local rmmods="module-always-sink module-rescue-streams module-systemd-login \
module-device-restore module-stream-restore module-card-restore \
module-default-device-restore module-switch-on-port-available \
module-udev-detect module-suspend-on-idle module-console-kit"
local txt=$($COMMAND_PACTL list short 2>/dev/null)
local midpat="([0-9]+)[[:blank:]]+" mid rmod
for rmod in $rmmods; do
mid=$(rematchfn "$midpat$rmod" "$txt") && {
$COMMAND_PACTL unload-module $mid &>/dev/null
#nxlog "$lp ! $mid" #debug
}
done
else nxlog "$lp '$svc' local pulseaudio server already started" #debug
fi
case $2 in
pa) # tunneled pa
local rsink=$(cutfn "$cmdstr" 0) rsource=$(cutfn "$cmdstr" 1)
local mname="module-tunnel-sink" opts="server=127.0.0.1:$3" oo args ok2=""
oo=$(cutfn "$6" 1 '-'); [ -n "$oo" ] && opts+=" rate=$oo"
oo=$(cutfn "$6" 2 '-'); [ -n "$oo" ] && opts+=" channels=$oo"
[ "$oo" = "1" ] && opts+=" channel_map=mono"
if [ "$rsink" != "(null)" ]; then
args="sink_name=tcl_out sink=$rsink $opts"
errstr=$($COMMAND_PACTL load-module $mname $args 2>&1)
[ $? -eq 0 ] && ok="tcl_out" || \
nxlog "$FUNCNAME ($$): $2 ($3) can't load $mname $args; '$errstr'"
[ -n "$ok" ] && $COMMAND_PACTL set-default-sink "tcl_out" &>/dev/null
else nxlog "$lp $2 ($3) can't load $name with rsink=$rsink"
fi
mname="module-tunnel-source"
if [ "$rsource" != "(null)" ]; then
args="source_name=tcl_in source=$rsource $opts"
errstr=$($COMMAND_PACTL load-module $mname $args 2>&1)
[ $? -eq 0 ] && ok2="tcl_in" || \
nxlog "$FUNCNAME ($$): $2 ($3) can't load $mname $args; '$errstr'"
[ -n "$ok2" ] && $COMMAND_PACTL set-default-source "tcl_in" &>/dev/null
else nxlog "$lp $2 ($3) can't load $name with rsource=$rsource"
fi
if [ -n "$ok" -o -n "$ok2" ]; then
nxlog "$lp $2 ($3) tunnel modules loaded: $ok $ok2"
else rc=1
fi
;;
esac
;;
esac
return $rc
}
uservice_umount() {
#args: <type> <svc/mountpoint> [data] [port]
local lp="$FUNCNAME ($$/$BASHPID):" errstr=""
local i ok="" step="0.5" ct=4
case $1 in
smb-share)
local mdir=$3 res ffl=""
if stringinstring "//" "$2"; then res="$2" # svc
elif ! stringinstring "/" "$2"; then res="//127.0.0.1/$2" # sharename
else mdir="$2" res="$2" # dir
fi
#[ -z "$mdir" ] && { # get mount dir directly
# local txt=$(LC_ALL=C mount 2>/dev/null)
# pattern="$res""[[:blank:]]+on[[:blank:]]+([^[:blank:]]+)"
# mdir=$(remathfn "$pattern" "$txt")
# nxlog "$lp share $res: given empty mount dir, loaded mdir='$mdir' "
#}
for (( i=1; i<=ct; i++ )); do
(( i>=ct/2 )) && ffl="-f"
errstr+=$($COMMAND_SUDO $COMMAND_SMBUMOUNT $ffl "$res" 2>&1) && \
{ ok="1"; break; }
sleep $step"s"
done
[ -n "$ok" ] || \
{ nxlog "$lp $res share umount failed: $errstr"; return 1; }
[ -n "$mdir" ] && [ -d "$mdir" ] && rmdir "$mdir" &>/dev/null
nxlog "$lp $res share umounted"
;;
smb-prn|ipp-prn)
for (( i=1; i<=ct; i++ )); do
errstr+=$($COMMAND_SUDO $COMMAND_LPADMIN -x "$2" 2>&1) && \
{ ok="1"; break; }
sleep $step"s"
done
[ -n "$ok" ] || \
{ nxlog "$lp $2 printer deleting failed: $errstr"; return 1; }
nxlog "$lp $2 printer deleted"
;;
media-pa)
case $2 in
pa) # tunneled pa
local midpat="([0-9]+)[[:blank:]]+module-" uri="127.0.0.1"
[ -n "$4" ] && uri+=":$4"
txt=$(env LC_ALL=C $COMMAND_PACTL list short 2>/dev/null)
[ -n "$txt" ] || {
nxlog "$lp '$svc'; local PA already stopped"; return 0; }
local mid es mids=$(rematchfn "$midpat.+server=$uri" "$txt" all);
#nxlog "$lp '$2'; rmids: "$mids; #debug
for mid in $mids; do
es=$($COMMAND_PACTL unload-module $mid 2>&1)
[ $? -ne 0 ] && errstr+="\n$es"
done
[ -n "$errstr" ] && {
nxlog "$lp '$2'; unload some local PA modules failed: $errstr";
}
nxlog "$lp $2 remote tunnel disconnected"
#nxlog "$lp $2 remote tunnel: $($COMMAND_PACTL list short 2>/dev/null)" #debug
;;
esac
[ -n "$3" ] && {
$COMMAND_PA --kill || {
nxlog "$lp '$2'; unable to kill local PA"; return 0; }
}
;;
esac
return 0
}
uservice_start() {
#args:
# <svc> [port] [type] [sharename] [username] [password] [data] [comp]
# [addr=127.0.0.1]
# if type is empty try to operate params from usess db
# if port not empty try to start on him
# Used config vars: COMMAND_HIDE COMMAND_UNHIDE
local lp="$FUNCNAME ($$/$BASHPID):" errstr="" qs svcport
local st startfl="" checkfl="" updvars="" updvals="" hpass
local svc="$1" port="$2" type="$3" share="$4"
local username="$5" pass="$6" data="$7" comp="$8"
local addr="$9"; [ -z "$addr" ] && addr="127.0.0.1";
[ "$type" = "smb-share" -a -n "$data" ] && data=$(norm_dir "$data" $HOME)
local i ok="" step="0.25" timeo="28" #4sec
[ -n "$type" -a -z "$port" ] && {
# starting no restarting - we wait for session listening port just in case
local lport_name=$(sess_lport_name $type)
local wstr="session_id='$session_id' AND $lport_name>0"
for (( i=0; i<=timeo; i++ )); do
port=$(q_vals_str_get "usess" "$wstr" "$lport_name") && break
sleep $step"s"
done
[ -n "$port" ] || {
nxlog "$lp $svc session $lport_name no declared after $((timeo/4)) s";
return 1; }
}
# waiting for suitable service status: on/off/""
ok="" step="0.25" timeo="28" #7sec
for (( i=0; i<=timeo; i++ )); do
st=$(usvcs_get $svc "status") || { ok="1"; break; }
stringinstring "$st" "starting|stopping" || { ok="1"; break; }
sleep $step"s"
done
[ -n "$ok" ] || {
nxlog "$lp service $svc ($port) still set in \"$st\" state after $((timeo/4)) s";
# FIXME!
[ "$st" = "stopping" ] || return 1;
nxlog "$lp service $svc ($port) set state 'off' ultimately";
usvcs_set $svc "status" "off"; st="off"
}
[ -z "$type" -a -z "$st" ] && {
nxlog "$lp '$svc': params for service are not found in usess db";
return 1; }
[ -z "$type" ] && { #load params from usess db
qs="$(usvcs_get $svc "type,port,share,username,pass,data,comp,addr")" || {
nxlog "$lp '$svc': can't get service params from usess db"; return 1; }
type=$(cutfn "$qs" 0 '&');
[ -z "$port" ] && port=$(cutfn "$qs" 1 '&');
share=$(cutfn "$qs" 2 '&'); username=$(cutfn "$qs" 3 '&');
pass=$(cutfn "$qs" 4 '&'); pass=$(echo "$pass" | $COMMAND_UNHIDE);
data=$(cutfn "$qs" 5 '&'); comp=$(cutfn "$qs" 6 '&');
addr=$(cutfn "$qs" 7 '&');
#nxlog "$lp service $svc ($st) load qs='$qs'" #debug
}
if [ "$st" = "on" ]; then
if uservice_mounted $type $svc; then
nxlog "$lp service $svc is allready mounted, skipping"; return 0
else
nxlog "$lp $svc service status is \"$st\", but it's not mounted. Try to start again";
startfl=1; [ -n "$type" ] && checkfl=1;
st="starting"; usvcs_set $svc "status" $st
fi
else
if uservice_mounted $type $svc; then
usvcs_set $svc "status" "stopping"
nxlog "$lp $svc service status is \"$st\", but it's mounted. Try to stop";
uservice_umount $type $svc $data || { return 1; }
fi
if [ "$st" = "off" ]; then
startfl=1; [ -n "$type" ] && checkfl=1;
st="starting"; usvcs_set $svc "status" $st
else # svc is not found in usess table
hpass=$(echo $pass | $COMMAND_HIDE)
usvcs_add "svc,type,status,port,share,comp,addr,username,pass,data" \
"$svc&$type&starting&$port&$share&$comp&$addr&$username&$hpass&$data"
startfl=1;
fi
fi
[ -n "$startfl" ] && {
[ -n "$checkfl" ] && {
local s_share s_username s_pass s_data s_comp s_addr
qs="$(usvcs_get $svc "share,username,pass,data,comp,addr")" || {
nxlog "$lp can't get service $svc params from usess _db"; return 1; }
s_share=$(cutfn "$qs" 0 '&'); s_username=$(cutfn "$qs" 1 '&');
s_pass=$(cutfn "$qs" 2 '&'); s_pass=$(echo $s_pass | $COMMAND_UNHIDE);
s_data=$(cutfn "$qs" 3 '&'); s_comp=$(cutfn "$qs" 4 '&');
s_addr=$(cutfn "$qs" 5 '&');
[ "$share" != "$s_share" ] && {
nxlog "$lp $svc share strings are different '$s_share' > '$share'"
updvars+=",share"; updvals+="&$share"; }
[ "$username" != "$s_username" ] && {
nxlog "$lp $svc username strings are different '$s_username' > '$username'"
updvars+=",username"; updvals+="&$username"; }
[ "$pass" != "$s_pass" ] && {
nxlog "$lp $svc password strings are different"
hpass=$(echo $pass | $COMMAND_HIDE)
updvars+=",pass"; updvals+="&$hpass"; }
[ "$data" != "$s_data" ] && {
nxlog "$lp $svc share strings are different '$s_data' > '$data'"
updvars+=",data"; updvals+="&$data"; }
[ "$comp" != "$s_comp" ] && {
nxlog "$lp $svc comp strings are different '$s_comp' > '$comp'"
updvars+=",comp"; updvals+="&$comp"; }
[ "$addr" != "$s_addr" ] && {
nxlog "$lp $svc addr strings are different '$s_addr' > '$addr'"
updvars+=",addr"; updvals+="&$addr"; }
}
#nxlog "$lp _$st _$type _$svc _$port _$username _$pass _$data _$comp" _$share" #debug
if uservice_mount $type $svc $port "$(echo -e "${username//\%/\\x}")" \
"$pass" "$data" "$(echo -e "${comp//\%/\\x}")" "$share";
then
usvcs_set $svc "status,port""$updvars" "on&"$port$updvals
return 0
else usvcs_set $svc "status,port" "off&0"
fi
}
return 1
}
uservice_stop() {
#arg: svc [type] [norestart]
# Used gvars: session_id
local lp="$FUNCNAME ($$/$BASHPID):"
local i ok="" st type=$2 lport_name lport="" data="" hardstop=$3
# waiting for suitable service status: on
local step=0.25 timeo=28 #7sec
for (( i=0; i<=timeo; i++ )); do
st=$(usvcs_get $svc "status")
[ "$st" = "on" ] && { ok="1"; break; }
sleep $step"s"
done
[ -n "$ok" ] || {
nxlog "$lp service $svc still set in \"$st\" state after $((timeo/4))s waitng";
return 1; }
[ -z "$type" ] && type=$(usvcs_get $svc "type")
usvcs_set $svc "status" "stopping"
[ -n "$hardstop" ] || { # get suitable session first
lport_name=$(sess_lport_name $type)
local wstr="status='Running' AND session_id!='$session_id' AND $lport_name>0"
#nxlog "$lp $svc wstr='$wstr'" #debug
lport=$(q_vals_str_get "usess" "$wstr" "$lport_name") || {
hardstop=1
nxlog "$lp '$svc': other suitable listening port is not found" #; wstr='$wstr'" #debug
}
}
[ -n "$hardstop" ] && { # if unable to restart we must known data
data=$(usvcs_get $svc "data"); }
#nxlog "$lp '$svc': hs=$hardstop; data=$data" #debug
uservice_umount $type $svc "$data" "$port" || return 1
[ -n "$hardstop" ] && {
if [ "$SESSION_LOG_CLEAN" = "1" ]; then
q_dbe "DELETE FROM usvcs WHERE svc='$1';"
else usvcs_set $1 "status,port" "off&0"
fi
return 0;
}
usvcs_set $svc "status,port" "off&0"
uservice_start $svc $lport #|| return 1
return 0
}
node_stop_services() {
# Used gvars: session_id
#local lp="$FUNCNAME ($$/$BASHPID):"
local lports=",$(usess_get $session_id "smbport,cupsport,mmport" ',')"
lports=${lports//,0/}; lports=${lports:1}
[ -n "$lports" ] || return # no services in session
local svc svcs
svcs=$(q_vals_strs_get "usvcs" "status='on' AND port IN ($lports)" "svc") #"
#nxlog "$lp lports=($lports) services list to stop: '$svcs'"; #debug
for svc in $svcs; do uservice_stop $svc; done
}
node_terminate_session() {
#args: <session_id> [status]
# Used gvars: nx_dir
# Used config vars: COMMAND_XAUTH, SESSION_LOG_CLEAN SERVER_NAME
local lp="$FUNCNAME ($$/$BASHPID):";
#nxlog "$lp Start terminating session_id='$1' with status '$2'" #debug
local qs=$(usess_get "$1" "display,agent_pid,tail_pid,status")
[ -z "$qs" ] && {
nxlog "$lp session_id='$1' not found in usess db. Bye."; return;
}
local status=$(cutfn "$qs" 3 '&')
stringinstring "$status" "Terminating|Finished|Failed" && {
nxlog "$lp Session status is already '$status'. Bye."; return;
}
local display=$(cutfn "$qs" 0 '&'); local sess_id="$SERVER_NAME-$display-$1"
[ -d "$nx_dir/C-$sess_id" ] || {
nxlog "$lp Session dir '$nx_dir/C-$sess_id' not found. Bye."; return;
}
usess_set "$1" "status" "Terminating"
local agent_pid=$(cutfn "$qs" 1 '&') tail_pid=$(cutfn "$qs" 2 '&')
local t_status="$2"; [ -z "$2" ] && t_status="Finished"
node_stop_services
kill -0 $agent_pid 2>/dev/null && {
#nxlog "$lp start killing of nxagent ($agent_pid)" #debug
kill $agent_pid 2>/dev/null
wait $agent_pid 2>/dev/null
kill -0 $agent_pid 2>/dev/null ||
nxlog "$lp nxagent ($agent_pid) is dead now"
}
((tail_pid>0)) && kill -0 $tail_pid 2>/dev/null && { # Kill tail process
#nxlog "$lp kill tail process ($tail_pid)" #debug
kill $tail_pid 2>/dev/null
wait $tail_pid 2>/dev/null
kill -0 $tail_pid 2>/dev/null || {
nxlog "$lp tail ($tail_pid) is dead now"; tail_pid="0"
usess_set "$session_id" "tail_pid" "0"
}
}
#nxlog "$lp Remove session information" #debug
rm -f /tmp/.X$display-lock; rm -f /tmp/.X11-unix/X$display
# Remove magic cookie information
$COMMAND_XAUTH remove "localhost:$display" >/dev/null 2>&1
$COMMAND_XAUTH remove ":$display" >/dev/null 2>&1
if [ "$SESSION_LOG_CLEAN" = "1" ]; then
#nxlog "$lp Clean session information." #debug
rm -rf "$nx_dir/C-$sess_id/"
rm -f "$nx_dir/nxnode-$1.log"
rm -f "$nx_dir/nxnode.log"
elif [ "$2" = "Failed" ]; then mv "$nx_dir/C-$sess_id/" "$nx_dir/F-C-$sess_id"
else mv "$nx_dir/C-$sess_id/" "$nx_dir/T-C-$sess_id"
fi
usess_close "$1" "$t_status"
#nxlog "$lp end" #debug
}
node_fail_restore_session() {
#arg: <session_id>
#local lp="$FUNCNAME ($$/$BASHPID):"; nxlog "$lp starting" #debug
echo "NX> 1004 Error: Could not resume session. nxagent process could not be found."
node_terminate_session "$1" "Failed"
#nxlog "$lp end. Next is 'exit 1'" #debug
exit_proc 1
}
node_suspend_session() {
#arg: <session_id>
local lp="$FUNCNAME ($$/$BASHPID):";
#nxlog "$lp starting" #debug
local agent_pid=$(usess_get "$1" "agent_pid")
nxlog "$lp Killing (HUP) agent_pid ($agent_pid)..."
kill -0 $agent_pid 2>/dev/null || {
nxlog "$lp nxagent is already dead. end (1)"; return 1;
}
kill -HUP $agent_pid 2>/dev/null && {
nxlog "$lp end (HUP)"; return 0;
}
return 1
}
node_find_application() {
#args: <type>
# Used config vars: $COMMAND_START_KDE, $COMMAND_START_GNOME,
# $COMMAND_START_CDE, $COMMAND_XTERM, $USER_X_STARTUP_SCRIPT,$DEFAULT_X_SESSION
local lp="$FUNCNAME ($$/$BASHPID):";
#nxlog "$lp starting with args \"$@\"" #debug
local node_startx=""
case $1 in
shadow|windows|vnc) return
;;
unix-kde) node_startx=$COMMAND_START_KDE
;;
unix-gnome) node_startx=$COMMAND_START_GNOME
;;
unix-cde) node_startx=$COMMAND_START_CDE
;;
windows-helper)
node_startx="$COMMAND_RDESKTOP /v:$agent_server /u:$agent_user"
[ -n "$agent_domain" ] && node_startx+=" /d:$agent_domain"
node_startx+=" /t:NX-$session-RDP-$agent_server@$agent_user"
node_startx+=" /p:$agent_password /size:$geometry $EXTRA_OPTIONS_RDP"
;;
vnc-helper)
if [ ! -x "$COMMAND_VNCVIEWER" ]; then
echo "$COMMAND_XMSG 'vncviwer not found'"
else
mkdir -p "$NXSESSION_DIRECTORY/scripts/"
echo "$agent_password" | \
$COMMAND_VNCPASSWD $NXSESSION_DIRECTORY/scripts/.passwd doit
node_startx="$COMMAND_VNCVIEWER -passwd \
$NXSESSION_DIRECTORY/scripts/.passwd $EXTRA_OPTIONS_RFB $agent_server"
fi
;;
unix-application)
[ "$application" = "xterm" ] && application=$COMMAND_XTERM
node_startx=$application
;;
unix-console) node_startx=$COMMAND_XTERM
;;
unix-default|*)
if [ -x "$HOME/$USER_X_STARTUP_SCRIPT" ]; then
node_startx="$HOME/$USER_X_STARTUP_SCRIPT"
elif [ -x "$DEFAULT_X_SESSION" ]; then
node_startx="$DEFAULT_X_SESSION"
else node_startx=$COMMAND_XTERM
fi
;;
esac
# dimbor: another personalyzed way to ACLS control and replace X-application
[ -n "$NX_ACL_DIR" ] || { echo "$node_startx"; return; }
local ucond=$(groups); ucond="'#$USER','*${ucond// /\',\'\*}','@all'"
local mode=".mode csv settings\n.separator '&'\n"
local qstr="SELECT key,value,val_depend FROM settings WHERE user IN ($ucond) \
AND key NOT IN ('@shadow@') ORDER BY user ASC, val_check ASC;"
#nxlog "$lp qstr='$qstr'" #debug
local ts=$(qa_dbe "$mode" "$qstr")
#nxlog "$lp ts='$ts'" #debug
local l tpl inv pm l2="" app_match="" app_rep="$COMMAND_XMSG '$NX_ACL_WARN'"
while read l; do
tpl="${l%%&*}"; tpl="$(sq2s "$tpl")"
inv=0; [ "${tpl:0:1}" = "!" ] && { tpl="${tpl:1}"; inv=1; }
pm=0; [[ "$node_startx" =~ $tpl ]] && pm=1
#nxlog "$lp $node_startx -> \"$l\" -> $tpl $inv $pm" #debug
((inv+pm==1)) && { l2=$l; app_match=1; break; }
done <<< "$ts"
if [ -n "$app_match" ]; then
tpl=$(cutfn "$l2" 1 '&'); tpl=$(sq2s "$tpl")
[ -n "$tpl" ] && { # process list checking
app_match=""
inv=0; [ "${tpl:0:1}" = "!" ] && { tpl="${tpl:1}"; inv=1; }
local psall=""; [ "${tpl:0:2}" = "@@" ] && { tpl="${tpl:2}"; psall=1; }
local psl;
if [ -n "$psall" ]; then psl="$(ps ax -o cmd=)"
else psl="$(ps -o cmd= -U $USER)"
fi
pm=0; rematchfn "($tpl)" "$psl" &>/dev/null && pm=1
((inv+pm==1)) && app_match=1
#nxlog "$lp $l - $tpl $inv $pm" #debug
}
local msg=$(cutfn "$l2" 2 '&'); msg=$(sq2s "$msg")
[ -n "$msg" ] && { # exe/msg checking
# need absolute path here?
[ -x "${msg%% *}" ] && app_rep="$msg" || app_rep="$COMMAND_XMSG '$msg'"
}
fi
if [ -n "$app_match" ]; then
echo "$node_startx";
else
nxlog "$lp App '$node_startx' replaced to '$app_rep'"
echo "$app_rep"
fi
}
node_start_applications() {
# Used glob vars: $type, $application, $sess_id, $mediahelper,
# $virtualdesktop, $rootless, $display
# Used config vars: <several>
local lp="$FUNCNAME ($$/$BASHPID):";
#nxlog "$lp starting" #debug
local app node_app napp;
local slave_apps psess sess_ps sapp;
local node_app_pid node_wm_pid;
local ok step timeo
local q=0 i s l
# Prepare application startup
export DISPLAY=:$display
#nxlog "$lp display='$display', waiting for it's ready" #debug
ok="" step="0.01" timeo=$((AGENT_STARTUP_TIMEOUT*100))
for (( i=0; i<=timeo; i++ )); do
[ -f /tmp/.X$display-lock ] && { ok="1"; break; }
sleep $step"s"
done
[ -n "$ok" ] || {
nxlog "$lp /tmp/.X$display-lock not found after $AGENT_STARTUP_TIMEOUT s";
return 1; }
#numlockx
if [ "$NUMLOCK_METHOD" != "system" ]; then
#nxlog "$lp Run \"$NUMLOCKX $NUMLOCKX_STATUS\"" #debug
"$NUMLOCKX" "$NUMLOCKX_STATUS"
fi
# Which application do we start?
app=$(node_find_application "$type")
# For rdesktop/VNC, there is no application to start
[ -n "$app" ] || return
if [ "$ENABLE_SAMBA_PRELOAD" = "1" ]; then
NXSAMBA_PORT=$(usess_get "$session_id" "smbport")
((NXSAMBA_PORT>0)) && {
export NXSAMBA_PORT
#nxlog "$lp Preload SAMBA using nxredir. NXSAMBA_PORT is '$NXSAMBA_PORT'" #debug
node_app="$PATH_BIN/nxredir $node_app"
echo "Info: NXNODE - Using nxredir wrapper script to forward \
SMB ports 139 and 445 to port $NXSAMBA_PORT." >> "$NXSESSION_DIRECTORY/session"
}
fi
#nxlog "$lp app is $app" #debug
# do fake eval for params
q=0; l=$app; node_app=()
while [ -n "$l" ]; do
s=${l%%[\'\"]*}; l=${l#*[\'\"]}
[ "$s" = "$l" ] && l=""
[ -n "$s" ] || continue
((q==0)) && { node_app+=($s); q=1; } || { node_app+=("$s"); q=0; }
done
#nxlog "$lp ${#node_app[@]}" #debug
#for ((i=0; i<${#node_app[@]}; i++)); do nxlog "$lp ${node_app[$i]}"; done #debug
[ "$cups" = "1" -o "$samba" = "1" ] && {
#nxlog "$lp export CUPS_SERVER=$CUPS_DEFAULT_SOCK" #debug
export CUPS_SERVER=$CUPS_DEFAULT_SOCK
}
# Use Xsession to execute the Desktop session
case $type in
unix-gnome)
export STARTUP="${node_app[@]}"
[ "$BOOTSTRAP_X_SESSION" = "1" ] && node_app=($COMMAND_GDM_X_SESSION)
;;
unix-kde|unix-cde)
export STARTUP="${node_app[@]}"
[ "$BOOTSTRAP_X_SESSION" = "1" ] && node_app=($DEFAULT_X_SESSION)
;;
esac
[ $ENABLE_ROOTLESS_TERMINATE_SESSION = "1" -a "$rootless" = "1" ] && {
psess=$($COMMAND_PS -wo sess= -p $$)
napp=${node_app[0]}; napp=${napp##*/}
slave_apps=$(rematchfn "$napp:(.+)" "${APP_WAIT_MAP//;/$'\n'}") #"
#nxlog "$lp slave(s) will be waiting too. Initial apps: '$slave_apps'" #debug
}
# Do we need to PRELOAD any libraries?
[ "$virtualdesktop" = "0" -a "$rootless" != "1" ] && export LD_PRELOAD="$APPLICATION_LIBRARY_PRELOAD:$LD_PRELOAD"
# close input and output file descriptors
exec 0<&-; exec 1>&-; exec 2>&-
# Should we start a window manager?
if [ "$virtualdesktop" = "1" -a "$type" = "unix-application" -a \
-x "$DEFAULT_X_WM" ]; then
#nxlog "$lp start a window manager - \"DISPLAY=:$display $DEFAULT_X_WM\"" #debug
DISPLAY=:$display $DEFAULT_X_WM >>"$NXSESSION_DIRECTORY/session" 2>&1 &
node_wm_pid=$!
#nxlog "$lp node_wm_pid='$node_wm_pid'" #debug
fi
# Startup the application
#nxlog "$lp Starting node_app with /etc/nxserver/Xsession" #debug
DISPLAY=:$display /etc/nxserver/Xsession "${node_app[@]}" >> \
"$NXSESSION_DIRECTORY/session" 2>&1 &
node_app_pid=$!
nxlog "$lp Start '${node_app[@]}'. Waiting for node_app_pid='$node_app_pid'"
wait $node_app_pid
nxlog "$lp node_app_pid finished"
# Kill or wait for the started window manager
[ -n "$node_wm_pid" ] && {
nxlog "$lp node_wm_pid is not empty"
# kill the WM after application is finished?
[ "$KILL_DEFAULT_X_WM" = "1" ] && { nxlog "$lp killing $node_wm_pid"
kill $node_wm_pid 2>/dev/null; }
# or just wait until it finishes?
[ "$KILL_DEFAULT_X_WM" = "1" ] || { nxlog "$lp wait for $node_wm_pid is dead"
wait $node_wm_pid; }
}
sleep "$NODE_APP_WAIT_TIMEOUT"s
[ $ENABLE_ROOTLESS_TERMINATE_SESSION = "1" -a "$rootless" = "1" ] && {
if [ -n "$slave_apps" ] ; then
nxlog "$lp slave(s) will be waiting too. Initial: '$slave_apps'"
sapp=$napp
while [ -n "$sapp" ]; do
sess_ps=$($COMMAND_PS -wo user=,cmd= -s $psess); sapp=""
#nxlog "$lp '$sess_ps'" #debug
while read l; do
[ "$(cutfn "$l" 0)" = "$USER" ] || continue
s=$(cutfn "$l" 1); s=${s##*/}
stringinstring "$s," "$slave_apps," && {
sapp=$s;
#nxlog "$lp >> $sapp '$l'" #debug
break;
}
done <<< "$sess_ps"
sleep "$NODE_APP_WAIT_TIMEOUT"s
done
nxlog "$lp Session app(s) are finished"
fi
node_terminate_session "$session_id"
}
# Do not terminate agent in case of rootless agent mode.
# The agent times out after a while by itself anyway.
if [ "$virtualdesktop" = "1" -o "$rootless" != "1" ] ; then
#nxlog "$lp Call node_terminate_session for non-rootless or virtualdesktop session type" #debug
node_terminate_session "$session_id"
fi
#nxlog "$lp end" #debug
}
node_agent_persistent_session() {
# Is the user allowed to run a persistent session?
local username IFS="," p="-nopersistent"
[ "$ENABLE_PERSISTENT_SESSION" = "all" ] && p="-persistent" || {
for username in $ENABLE_PERSISTENT_SESSION; do
[ "${username:0:1}" != "@" ] && [ "$USER" = "$username" ] && \
p="-persistent" && break;
[ "${username:0:1}" = "@" ] && \
[ -z $(groups "$USER" | egrep "^${username:1}:") ] && \
p="-persistent" && break;
done
}
for username in $DISABLE_PERSISTENT_SESSION; do
[ "${username:0:1}" != "@" ] && [ "$USER" = "$username" ] && \
p="-nopersistent" && break;
[ "${username:0:1}" = "@" ] && \
[ -z $(groups "$USER" | egrep "^${username:1}:") ] && \
p="-nopersistent" && break;
done
echo "$p"
}
node_start_agent() {
# Ok, now we do some wicked fd magic.
# first part: nxagent's fd #2 -> fd #3
# second part: fd #1 -> #4; fd #3 -> #1; tee | node_start_monitor
# third part: fd #4 -> #1
# => all output of nxagent goes to tee | node_start_monitor, while
# leaving all other output flow through like normally.
# preparations
local lp="$FUNCNAME ($$/$BASHPID):";
local k g b r fp vncfullscreen u p d agent_port viewonly
local agent_exit_status node_failed
#nxlog "$lp starting" #debug
exec 3>&2; exec 4>&1;
{
{
export DISPLAY="nx/nx,options=$NXSESSION_DIRECTORY/options:$display"
export XAUTHORITY="$NXSESSION_DIRECTORY/authority"
export HOME
export NX_CLIENT="$PATH_BIN/nxdialog"
# Setup optional parameters for nxagent
# keyboard
k=""
# backwards compatibility
[ -n "$keyboard" ] && k="-keyboard $keyboard"
[ -n "$kbtype" ] && k="-kbtype $kbtype"
# backingstore
b=""
if [ -n "$backingstore" ]; then
[ "$backingstore" != 1 ] && b="-bs $backingstore"
[ "$backingstore" = 1 ] && b="+bs"
fi
# geometry
g=""
[ -n "$geometry" ] && g="-geometry $geometry"
# type of session
r="-D"; [ "$rootless" = "1" ] && r="-R"
# Setup fullscreen parameters
[ "$geometry" = "fullscreen" ] && \
[ "$type" = "vnc-helper" -o "$type" = "windows-helper" ] && \
g="-geometry $(rematchfn '^([[:digit:]]+x[[:digit:]]+)' $screeninfo)"
if [ "$r" = "-R" -a "$rootless" != "1" ]; then
#nxlog "$lp Start nxproxy for single application session mode" #debug