-
Notifications
You must be signed in to change notification settings - Fork 0
/
ecuDCE.c
1172 lines (1042 loc) · 27.3 KB
/
ecuDCE.c
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
/* #define USE_S7 */
/*+-------------------------------------------------------------------------
ecuDCE.c - ECU DCE dialing and management
Defined functions:
DCE_autoanswer()
DCE_dial()
DCE_get_result(msec_to_wait)
DCE_get_sreg_value(regnum)
DCE_hangup()
DCE_modem_init()
DCE_now_on_hook()
DCE_read_modem_init()
DCE_redial(arg, argc)
DCE_report_iv_set(varnum)
DCE_send_cmd(cmd)
DCE_set_sreg(regnum, value)
check_queued_sigint()
is_extant_dialproc(device)
process_modem_init(str)
show_modem_init_error(erc, iesd)
Lothar Hirschbiegel <emory!tmcsys.uucp!lothar> added the ability to
specify a modem acknowledgement string other than "OK".
Example use:
#+-----------------------------------------------------------------
# tty1a.mi - Microcom QX/V.32c
#------------------------------------------------------------------
init_default:sceon
dial_default:dp
ok_string:!
connect_string:CONNECT
--------------------------------------------------------------------------*/
/*+:EDITS:*/
/*:04-26-2000-11:15-wht@bob-RELEASE 4.42 */
/*:02-09-1997-20:13-wht@yuriatin-add dialer procedures */
/*:01-24-1997-02:37-wht@yuriatin-SOURCE RELEASE 4.00 */
/*:09-11-1996-19:[email protected] telnet,curses,structural overhaul */
/*:08-20-1996-12:39-wht@kepler-locale/ctype fixes from [email protected] */
/*:08-11-1996-02:10-wht@kepler-rename ecu_log_event to logevent */
/*:08-10-1996-13:52-wht@kepler-Ltelnet hangup no longer kills ecu */
/*:07-31-1996-17:[email protected] dialer fixes */
/*:12-06-1995-13:30-wht@n4hgf-termecu w/errno -1 consideration */
/*:11-23-1995-11:20-wht@kepler-source control 3.37 for tsx-11 */
/*:11-20-1995-12:15-wht@n4hgf-"Type INT to abort" only if tty char special */
/*:11-14-1995-10:[email protected] control point: SOCKETS */
/*:11-03-1995-16:53-wht@wwtp1-use CFG_TelnetOption */
/*:05-11-1995-15:55-wht@n4hgf-ck_sigint fools optimizing compilers */
/*:01-12-1995-15:19-wht@n4hgf-apply Andrew Chernov 8-bit clean+FreeBSD patch */
/*:05-04-1994-04:38-wht@n4hgf-ECU release 3.30 */
/*:02-11-1994-16:03-wht@n4hgf-add connect string */
/*:01-04-1994-05:45-wht@n4hgf-add CFG_DialTimeout */
/*:04-06-1993-11:51-wht@n4hgf-need to kill rcvr to use built-in dialer */
/*:09-10-1992-13:58-wht@n4hgf-ECU release 3.20 */
/*:09-05-1992-14:17-wht@n4hgf-was starting rcvr process too early on connect */
/*:08-22-1992-15:38-wht@n4hgf-ECU release 3.20 BETA */
/*:04-19-1992-03:[email protected] has ESIX SVR4 */
/*:02-16-1992-01:41-wht@n4hgf-turn off xterm_title */
/*:02-04-1992-04:49-wht@n4hgf-fix bug in kill_rcvr_process logic */
/*:01-17-1992-15:[email protected] open to public */
/*:11-07-1991-16:54-tmcsys!lothar-alternate OK string for built-in dialer */
/*:08-28-1991-14:07-wht@n4hgf2-SVR4 cleanup by aega84!lh */
/*:07-25-1991-12:55-wht@n4hgf-ECU release 3.10 */
/*:07-17-1991-07:04-wht@n4hgf-avoid SCO UNIX nap bug */
/*:06-29-1991-15:42-wht@n4hgf-if WHT and xterm, play with title bar */
/*:06-16-1991-23:24-wht@n4hgf-ensure hangup since proc could fail connected */
/*:06-07-1991-04:09-wht@n4hgf-remove unnecessary naps after kill_rcvr_process */
/*:05-20-1991-00:56-wht@n4hgf-fix/upgrade auto fkey load */
/*:01-09-1991-22:31-wht@n4hgf-ISC port */
/*:01-09-1991-21:23-wht@n4hgf-fix statement not reached */
/*:09-19-1990-19:36-wht@n4hgf-logevent now gets pid for log from caller */
/*:08-14-1990-20:[email protected] old edit history */
#include "ecu.h"
#include "ecukey.h"
#include "esd.h"
#include "var.h"
#include "ecupde.h"
#include "ecuerror.h"
#include "relop.h"
char *elapsed_time_text();
void DCE_hangup();
extern UINT32 colors_current;
extern char kbdintr;
int mi_line;
char mi_name[64];
char last_dial_result[64];
#define MI_MAX_LEN 65
char Lmodem_init[MI_MAX_LEN] = ""; /* modem init string w/o trailing CR */
char Lmodem_dial[MI_MAX_LEN] = ""; /* modem dialing prefix */
char Lmodem_autoans[MI_MAX_LEN] = ""; /* modem autoanswer */
char Lmodem_okstring[MI_MAX_LEN] = ""; /* modem ok_answer */
char Lmodem_connstring[MI_MAX_LEN] = ""; /* modem ok_answer */
char *interrupted_string = "!Interrupted";
UINT ttygetc();
/*+-------------------------------------------------------------------------
check_queued_sigint()
--------------------------------------------------------------------------*/
int
check_queued_sigint()
{
while (ttyrdchk())
{
if (ttygetc(1) == (uchar) kbdintr)
{
sigint = 1;
return (1);
}
}
return (0);
} /* end of check_queued_sigint */
/*+-------------------------------------------------------------------------
show_modem_init_error(erc,iesd)
--------------------------------------------------------------------------*/
void
show_modem_init_error(erc, iesd)
int erc;
ESD *iesd;
{
int itmp;
pputs(mi_name);
pprintf(" line %d: ", mi_line);
proc_error(erc);
pputs(iesd->pb);
pputc(NL);
itmp = iesd->old_index;
while (itmp--)
pputc(' ');
pputs("^\n\n");
} /* end of show_modem_init_error */
/*+-----------------------------------------------------------------------
process_modem_init(str)
sample /usr/lib/ecu/tty??.mi lines:
init_9600:ATS11=47X4S0=0S7=30\Q0\X0\N0
init_>2400:ATS11=47X4S0=0S7=30\Q0\X0\N0
init_<=2400:ATS11=47X4S0=0S7=30\Q1\X1\N3
ATDT
return 0 if entire list read, else 1 if error (error msg in errmsg)
------------------------------------------------------------------------*/
void
process_modem_init(str)
char *str;
{
#define MI_INIT 1
#define MI_DIAL 2
#define MI_AUTOANS 3
#define MI_OKSTRING 4
#define MI_CONNSTR 5
int erc;
ESD sesd;
char typestr[32];
int relop;
int truth = 0;
int type;
long test_baud;
sesd.pb = str;
sesd.cb = strlen(str);
sesd.maxcb = strlen(str);
sesd.index = 0;
sesd.old_index = 0;
if (get_alpha_zstr(&sesd, typestr, sizeof(typestr)))
{
erc = eSyntaxError;
goto SHOW_ERROR;
}
if (ulindex(typestr, "init_") == 0)
type = MI_INIT;
else if (ulindex(typestr, "dial_") == 0)
type = MI_DIAL;
/* DGY 07/25/96 allow "connect_string_" to be conditioned by baud */
else if (ulindex(typestr, "connect_string_") == 0)
type = MI_CONNSTR;
else if (!strcmpi(typestr, "autoanswer"))
type = MI_AUTOANS;
else if (!strcmpi(typestr, "ok_string"))
type = MI_OKSTRING;
else
{
erc = eSyntaxError;
goto SHOW_ERROR;
}
/* test for default ... if none, check bit rate */
if ((type == MI_AUTOANS) || (type == MI_OKSTRING))
truth = 1;
else if (ulindex(typestr, "_default") > 0)
{
truth = !(((type == MI_INIT) && Lmodem_init[0]) ||
((type == MI_CONNSTR) && Lmodem_connstring[0]) ||
((type == MI_DIAL) && Lmodem_dial[0]));
}
else
{
/* get optional operator */
if (get_relop(&sesd, &relop))
relop = OP_EQ;
if (erc = gint_constant(&sesd, &test_baud))
goto SHOW_ERROR;
truth = test_truth_int((long)shm->Lbitrate, relop, test_baud);
}
/* if no match, skip this one */
if (!truth)
return;
/* skip over colon */
if (erc = skip_colon(&sesd))
goto SHOW_ERROR;
/* make sure init connect or dial string not empty or too long */
if ((erc = skip_cmd_break(&sesd)) &&
!((type == MI_AUTOANS) || (type == MI_OKSTRING)))
goto SHOW_ERROR;
if ((sesd.cb - sesd.index) > (MI_MAX_LEN - 1))
{
erc = eBufferTooSmall;
goto SHOW_ERROR;
}
erc = eDuplicateMatch; /* in case of show error in switch */
switch (type)
{
case MI_INIT:
if (Lmodem_init[0])
goto SHOW_ERROR;
strcpy(Lmodem_init, sesd.pb + sesd.index);
break;
case MI_DIAL:
if (Lmodem_dial[0])
goto SHOW_ERROR;
strcpy(Lmodem_dial, sesd.pb + sesd.index);
break;
case MI_AUTOANS:
if (Lmodem_autoans[0])
goto SHOW_ERROR;
if (!sesd.cb)
strcpy(Lmodem_autoans, "!null!");
else
strcpy(Lmodem_autoans, sesd.pb + sesd.index);
break;
case MI_OKSTRING:
if (Lmodem_okstring[0])
goto SHOW_ERROR;
strcpy(Lmodem_okstring, sesd.pb + sesd.index);
break;
case MI_CONNSTR:
if (Lmodem_connstring[0])
goto SHOW_ERROR;
strcpy(Lmodem_connstring, sesd.pb + sesd.index);
break;
}
return; /* <<<<====== done */
SHOW_ERROR:
show_modem_init_error(erc, &sesd);
} /* end of process_modem_init */
/*+-----------------------------------------------------------------------
DCE_read_modem_init()
0123456789
/dev/ttyxx
------------------------------------------------------------------------*/
void
DCE_read_modem_init()
{
char *cp;
FILE *fp_modem;
char *skip_ld_break();
char buffer[128];
/* zap init information */
Lmodem_init[0] = 0;
Lmodem_dial[0] = 0;
/* build filename */
sprintf(mi_name, "%s/%s.mi", CFG_EcuLibDir, shm->Lline + 5);
/* read modem initialization */
if (!(fp_modem = fopen(mi_name, "r")))
pperror(mi_name);
else
{
mi_line = 0;
while ((!Lmodem_init[0] || !Lmodem_dial[0] || !Lmodem_okstring[0] ||
!Lmodem_connstring[0]) &&
fgets(buffer, sizeof(buffer), fp_modem))
{
mi_line++;
buffer[strlen(buffer) - 1] = 0;
cp = skip_ld_break(buffer);
/* skip comments and null lines */
if (!strlen(cp) || (*cp == '#'))
continue;
process_modem_init(cp);
}
fclose(fp_modem);
}
/* default */
if (!Lmodem_init[0])
{
strcpy(Lmodem_init, "ATE1Q0V1");
pputs("modem init string not found (using default '");
pputs(Lmodem_init);
pputs("')\n");
}
if (!Lmodem_dial[0])
{
strcpy(Lmodem_dial, "ATDT");
pputs("modem dial string not found (using default '");
pputs(Lmodem_dial);
pputs("')\n");
}
if (!Lmodem_autoans[0])
strcpy(Lmodem_autoans, "ATQ1S0=1");
if (!Lmodem_okstring[0])
strcpy(Lmodem_okstring, "OK");
if (!Lmodem_connstring[0])
strcpy(Lmodem_connstring, "CONNECT");
if (!strcmp(Lmodem_autoans, "!null!"))
Lmodem_autoans[0] = 0;
if (proc_trace > 1)
{
pprintf("init: '%s'\n", Lmodem_init);
pprintf("dial: '%s'\n", Lmodem_dial);
pprintf("autoanswer: '%s'\n", Lmodem_autoans);
pprintf("ok str: '%s'\n", Lmodem_okstring);
pprintf("conn str: '%s'\n", Lmodem_connstring);
}
} /* end of DCE_read_modem_init */
/*+-------------------------------------------------------------------------
DCE_get_result(msec_to_wait)
return pointer to static buf containing result code
--------------------------------------------------------------------------*/
char *
DCE_get_result(msec_to_wait)
long msec_to_wait;
{
static char s32[32];
LRWT lr;
if (ck_sigint())
return ("!Interrupted");
s32[0] = 0;
lr.to1 = msec_to_wait;
lr.to2 = 200L;
lr.raw_flag = 0x80; /* allow interrupts */
lr.buffer = s32;
lr.bufsize = sizeof(s32);
lr.delim = (char *)0;
lr.echo_flag = 0;
lgets_timeout(&lr);
if (ck_sigint())
return ("!Interrupted");
return (lr.buffer);
} /* end of DCE_get_result */
/*+-------------------------------------------------------------------------
DCE_modem_init()
--------------------------------------------------------------------------*/
DCE_modem_init()
{
int itmp;
int retries = 0;
char *cmd;
char *cp;
int old_ttymode = get_ttymode();
if (shm->Lmodem_already_init)
return (0);
DCE_read_modem_init();
ttymode(2);
lputs_paced(0, "\b\b\b\b\b\b\b\b\b");
(void)Nap(200L);
lflush(0);
while (!shm->Lmodem_already_init)
{
INIT_LOOP:
if (retries > 3)
goto ERROR_RETURN;
if (ck_sigint())
goto ERROR_RETURN;
if (retries)
{
lflash_dtr();
lputs_paced(0, "AT\r");
(void)Nap(200L);
lputs_paced(0, "ATQ0V1E1\r");
(void)Nap(200L);
}
lflush(0);
cmd = Lmodem_init;
itmp = 0;
#ifdef NEUROTIC
while (*cmd)
{
lputc_paced(0, *cmd++);
if (++itmp < 2)
(void)Nap(40L);
if ((itmp = lgetc_timeout(500L)) < 0)
{
if (ck_sigint())
goto ERROR_RETURN;
retries++;
goto INIT_LOOP;
}
pputc(itmp);
}
#else
lputs(cmd);
pputs(cmd);
#endif
pputc(NL);
lputc_paced(0, CRET);
itmp = 0;
while (itmp != CRET)
{
if ((itmp = lgetc_timeout(500L)) < 0)
{
if (ck_sigint())
goto ERROR_RETURN;
pputs("missed expected carriage return\n");
if (itmp < 0)
pprintf("got nothing\n");
else
pprintf("got: %x\n", itmp);
retries++;
goto INIT_LOOP;
}
}
if (strcmp(cp = DCE_get_result(1200L), Lmodem_okstring))
{
if (!strcmp(cp, interrupted_string))
{
sigint = 1;
goto ERROR_RETURN;
}
pprintf("unexpected result: '%s'\n", cp);
retries++;
continue;
}
shm->Lmodem_already_init = 1;
}
ttymode(old_ttymode);
return (0);
ERROR_RETURN:
ttymode(old_ttymode);
return (-1);
} /* end of DCE_modem_init */
/*+-------------------------------------------------------------------------
DCE_send_cmd(cmd)
--------------------------------------------------------------------------*/
int
DCE_send_cmd(cmd)
char *cmd;
{
int itmp;
DCE_modem_init();
(void)Nap(600L);
lflush(0);
#ifdef NEUROTIC
while (*cmd)
{
lputc_paced(20, *cmd++);
if (++char_count < 2)
(void)Nap(40L);
if ((itmp = lgetc_timeout(500L)) < 0)
return (-1);
pputc(itmp);
}
#else
lputs(cmd);
pputs(cmd);
#endif
pputc(NL);
lputc_paced(20, CRET);
itmp = 0;
if (ck_sigint() || check_queued_sigint())
return (-1);
while (itmp != CRET)
{
if ((itmp = lgetc_timeout(1000L)) < 0)
{
pputs("missed expected carriage return\n");
return (-1);
}
if (ck_sigint() || check_queued_sigint())
return (-1);
}
return (0);
} /* end of DCE_send_cmd */
/*+-------------------------------------------------------------------------
DCE_report_iv_set(varnum)
--------------------------------------------------------------------------*/
void
DCE_report_iv_set(varnum)
int varnum;
{
if (proc_trace)
pprintf("Dialer set $i%02d = %ld\n", varnum, iv[varnum]);
} /* end of DCE_report_iv_set */
/*+-------------------------------------------------------------------------
is_extant_dialproc(device) - find dialer procedure for device
--------------------------------------------------------------------------*/
char *
is_extant_dialproc(device)
char *device;
{
char *devbase = base_name(device);
char dpnm[ECU_MAXPN];
strcpy(dpnm, "dialproc/");
strcat(dpnm, devbase);
return ((find_procedure(dpnm)) ? dpnm : 0);
} /* end of is_extant_dialproc */
/*+-----------------------------------------------------------------------
DCE_dial() - dial a remote or connect
All shm->L... variables have been set up and are used to
drive the dialing sequence
returns 0 on success (CONNECT),
eConnectFailed if failure
eCONINT on interrupt
sets #I0 to 0==connect,
1==failed to connect,
2==interrupted
3==modem error
sets #S0 to modem result code or uucp status code string
This function has become quite NASTY and needs rewriting!
------------------------------------------------------------------------*/
int
DCE_dial()
{
char s128[128];
char *_proc_args[10];
int itmp;
int erc = -1; /* assume error unless chg'd */
int s7;
char *result = "";
int restart_rcvr = need_rcvr_restart();
UINT32 colors_at_entry = colors_current;
char s64[64];
FILE *fp;
char *cp;
char credit_file[128];
extern int tty_not_char_special;
kill_rcvr_process(SIGUSR1);
lclear_xmtr_xoff();
if (shm->Ldescr[0])
{
setcolor(colors_success);
timeofday_text(1, s64);
pprintf("%s %s\n",
(shm->Ltelno[0]) ? "Dialing" : "Connecting to", shm->Ldescr);
pprintf("on %s at %u baud (%s)\n", shm->Lline, shm->Lbitrate, s64);
}
if (shm->Liofd > 0)
DCE_hangup();
last_dial_result[0] = 0;
setcolor(colors_alert);
if (!shm->Ltelno[0]) /* if no phone number, direct connect */
{
sprintf(s64, "CONNECT %u", shm->Lbitrate);
result = s64;
iv[0] = 0;
erc = 0;
shm->Lconnected = 1;
Ldial_debug_level = 0;
goto CONNECTED;
}
else
{
char *dialproc = is_extant_dialproc(shm->Lline);
/*
* if there is a dialer procedure, invoke it else call the
* traditional dialer
*/
if (!dialproc)
{
itmp = hdb_dial(&result);
lreset_ksr(); /* dialer may have changed termio */
}
else
{
char dialproc_buf[ECU_MAXPN];
/*
* copy static result
*/
strcpy(dialproc_buf,dialproc);
/*
* call procedure
*/
pprintf("Using dialer procedure %s\n",
find_procedure(dialproc_buf));
_proc_args[0] = dialproc_buf;
_proc_args[1] = shm->Ltelno;
if (do_proc(2, _proc_args)) /* if procedure executes well */
{
erc = eConnectFailed;
goto START_RCVR_PROCESS;
}
/*
* dialproc responsible for plugging $i0 and $s0
*/
itmp = iv[0]; /* dial result code 0-n returned in $i0 */
result = sv[0]->pb;
}
/*
* check status of dialing operation
*/
switch (itmp)
{
case 0: /* success */
goto CONNECTED;
case 1: /* failure -- iv[0] set by hdb_dial */
DCE_report_iv_set(0);
erc = eConnectFailed;
goto START_RCVR_PROCESS;
case 2: /* interrupted -- iv[0] set by hdb_dial */
erc = eCONINT;
DCE_report_iv_set(0);
goto START_RCVR_PROCESS;
case 3: /* modem error */
DCE_report_iv_set(0);
setcolor(colors_error);
pprintf("%s\n", result);
goto CANNOT_TALK_TO_MODEM;
case 4: /* try built-in dialer */
break;
default:
DCE_report_iv_set(0);
setcolor(colors_error);
pprintf("Undefined dialer result %d\n", itmp);
erc = eConnectFailed;
goto START_RCVR_PROCESS;
}
/*
* brain-damaged "built-in dialer"
*/
pputs("\nTrying ecu dialer\n");
kill_rcvr_process(SIGUSR1);
DCE_modem_init();
#if defined(USE_S7)
if ((s7 = DCE_get_sreg_value(7)) < 0)
s7 = CFG_DialTimeout;
#else
s7 = CFG_DialTimeout;
#endif
/*
* build dial command
*/
strcpy(s128, Lmodem_dial);
strcat(s128, shm->Ltelno);
/*
* if trailing '$', read and append ~/.ecu/.credit
*/
if (*(cp = s128 + strlen(s128) - 1) == '$')
{
*cp = 0;
get_home_dir(credit_file);
strcat(credit_file, "/.ecu/.credit");
if (fp = fopen(credit_file, "r"))
{
fgets(cp, 30, fp);
fclose(fp);
}
if (!fp || !(*cp))
{
result = "!CREDIT CARD ERROR";
goto CONNECT_FAILED;
}
if (*(cp + strlen(cp) - 1) == 0x0A)
*(cp + strlen(cp) - 1) = 0; /* kill NL */
}
if (ck_sigint() || check_queued_sigint())
goto SEND_CMD_ERROR;
if (DCE_send_cmd(s128))
goto SEND_CMD_ERROR;
/*
* some modems (ahem, the Hayes 2400) do not accurately honor S7
* so our timer is twice sreg 7
*/
if (!tty_not_char_special)
{
pprintf("Type %s to abort ... ", (kbdintr == DEL) ? "DEL" :
graphic_char_text(kbdintr, 0));
}
setcolor(colors_normal);
lflush(0);
strcpy(s64, DCE_get_result(s7 * 2 * 1000L));
result = s64;
if (ck_sigint() || !strcmp(result, interrupted_string))
{
setcolor(colors_error);
pprintf("%s\n", result);
sigint = 0;
lputc(0); /* send char in case DTR ignored */
lflash_dtr(); /* force on hook */
(void)DCE_get_result(2000L); /* wait for any result code */
erc = eCONINT;
iv[0] = 2;
DCE_report_iv_set(0);
goto START_RCVR_PROCESS;
}
if (!strncmp(result, Lmodem_connstring, strlen(Lmodem_connstring)))
{
if (strlen(result) > 7)
{
UINT speed = atoi(result + strlen(Lmodem_connstring));
if (speed && (shm->Lbitrate != speed))
{
setcolor(colors_alert);
pprintf("%s (warning: unexpected rate)\n", result);
}
}
CONNECTED:
#if defined(WHT2) && defined(XTERM_FRIEND)
/*
* if xterm, put connection in title bar but this really
* should be done in _connect.ep
*/
sprintf(s128, "connected to %s", shm->Llogical);
xterm_title(s128, 1);
#endif
setcolor(colors_success);
pprintf("%s\n", result);
sprintf(s128, "CONNECT %s (%s) %u baud",
shm->Llogical, shm->Ltelno, shm->Lbitrate);
strcpy(shm->Lrname, shm->Llogical);
logevent(getpid(), s128);
if (isalpha(shm->Llogical[0]))
{
if (!keyset_read(shm->Llogical))
pprintf("[autoloaded fkeys for %s]\n", shm->Llogical);
}
shm->rcvd_chars_this_connect = 0;
shm->xmit_chars_this_connect = 0;
shm->Loff_hook_time = time((long *)0);
iv[0] = 0;
DCE_report_iv_set(0);
erc = 0;
shm->Lconnected = 1;
lCLOCAL(!shm->Ldcdwatch); /* set CLOCAL per DCD watcher */
goto START_RCVR_PROCESS;
}
CONNECT_FAILED:
setcolor(colors_error);
pprintf("%s\n", result);
iv[0] = 1;
DCE_report_iv_set(0);
erc = eConnectFailed;
goto START_RCVR_PROCESS;
}
SEND_CMD_ERROR:
if (ck_sigint())
{
sigint = 0;
result = interrupted_string;
iv[0] = 2;
DCE_report_iv_set(0);
erc = eCONINT;
}
else
{
CANNOT_TALK_TO_MODEM:
setcolor(colors_error);
pprintf("Cannot talk to modem\n");
result = "!Modem Error";
iv[0] = 3;
DCE_report_iv_set(0);
erc = eConnectFailed;
}
START_RCVR_PROCESS:
setcolor(colors_at_entry);
strcpy(sv[0]->pb, result);
sv[0]->cb = strlen(result);
strcpy(last_dial_result, result);
/*
* do the _connect.ep or _connfail.ep execution
*/
if (!iv[0])
{
if (find_procedure("_connect"))
{
int erc2;
_proc_args[0] = "_connect"; /* _connect.ep */
_proc_args[1] = result; /* "CONNECT XXXX" */
if (erc2 = do_proc(2, _proc_args))
{
DCE_hangup();
if (erc2 < 256)
{
sprintf(s64, "!CONNECT PROCEDURE RETURNED %d", erc2);
result = s64;
}
else
result = "!CONNECT PROCEDURE ABNORMAL TERMINATION";
strcpy(sv[0]->pb, result);
sv[0]->cb = strlen(result);
setcolor(colors_error);
pprintf("%s\n", result);
iv[0] = 1;
DCE_report_iv_set(0);
erc = eConnectFailed;
}
}
}
else if (find_procedure("_connfail"))
{
_proc_args[0] = "_connfail"; /* _connfail.ep */
_proc_args[1] = shm->Llogical;
_proc_args[2] = result;
(void)do_proc(3, _proc_args);
}
rcvr_conditional_restart(restart_rcvr, 1);
return (erc);
} /* end of DCE_dial */
/*+-------------------------------------------------------------------------
DCE_redial(arg,argc)
--------------------------------------------------------------------------*/
DCE_redial(arg, argc)
char **arg;
int argc;
{
int erc = 0;
int delay = 60;
int retries = 10;
long nap_msec;
char ans;
if (shm->Ltelno[0] == 0)
{
pprintf(" no previous number\n");
return (-1);
}
if ((argc > 1) && ((retries = atoi(arg[1])) == 0))
{
pprintf(" invalid retry count\n");
return (-1);
}
if ((argc > 2) && ((delay = atoi(arg[2])) == 0))
{
pprintf(" invalid delay\n");
return (-1);
}
if (delay < 0) /* try to be nice to telcos */
delay = 0; /* (they are our friends :-) */
pprintf(" for %d retries, pause between: %d secs\n",
retries, delay);
kill_rcvr_process(SIGUSR1); /* kill rcvr process */
DCE_hangup();
while (retries--)
{
if (!isdigit((uchar) shm->Llogical[0]) &&
find_procedure(shm->Llogical))
{
char *_proc_args[2];
UINT32 colors_at_entry = colors_current;
_proc_args[0] = shm->Llogical;
_proc_args[1] = "!REDIAL;";
sigint = 0;
ttymode(2);
erc = do_proc(2, _proc_args);
proc_file_reset();
ttymode(1);
setcolor(colors_notify);
ff(se, "[procedure finished]");
setcolor(colors_at_entry);
ff(se, "\r\n");
if (!erc)
{
start_rcvr_process(0);
return (0);
}
lflash_dtr();
sigint = 0;
}
else if (!(erc = DCE_dial()))
{
start_rcvr_process(1);
return (0);
}
if (ck_sigint() || !strcmp(last_dial_result, interrupted_string))
goto ABORT_CYCLE;
if ((retries == 0) || (erc >= e_FATAL))
break;
pprintf("%d %s left ... ",
retries, (retries == 1) ? "retry" : "retries");
nap_msec = delay * 1000L;
ff(se, "waiting %d seconds ... 'c' to cycle, %s to abort\r\n",
delay, (kbdintr == DEL) ? "DEL" : graphic_char_text(kbdintr, 0));
while (nap_msec > 0)
{
nap_msec -= Nap(100L);
while (ttyrdchk())
{
ans = to_lower(ttygetc(1));
if (ans == 'c')
goto CONTINUE_CYCLE;
else if (ans == (char)kbdintr)
goto ABORT_CYCLE;
else
ring_bell();
}
if (ck_sigint())
goto ABORT_CYCLE;
}
CONTINUE_CYCLE:
DCE_hangup();
}
ERROR_RETURN:
DCE_hangup();