︙ | | |
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
-
+
-
-
+
|
fi
return 1
}
gen_dh_params_fallback() {
cat << \_EOF_
DH *get_dh2048()
DH *get_dh2048(void) {
{
static unsigned char dh2048_p[]={
static unsigned char dhp_2048[] = {
0xC1,0x51,0x58,0x69,0xFB,0xE8,0x6C,0x47,0x2B,0x86,0x61,0x4F,
0x20,0x2E,0xD3,0xFC,0x19,0xEE,0xB8,0xF3,0x35,0x7D,0xBA,0x86,
0x2A,0xC3,0xC8,0x6E,0xF4,0x99,0x75,0x65,0xD3,0x7A,0x9E,0xDF,
0xD4,0x1F,0x88,0xE3,0x17,0xFC,0xA1,0xED,0xA2,0xB6,0x77,0x84,
0xAA,0x08,0xF2,0x97,0x59,0x7A,0xA0,0x03,0x0D,0x3E,0x7E,0x6D,
0x65,0x6A,0xA4,0xEA,0x54,0xA9,0x52,0x5F,0x63,0xB4,0xBC,0x98,
0x4E,0xF6,0xE1,0xA4,0xEE,0x16,0x0A,0xB0,0x01,0xBD,0x9F,0xA1,
|
︙ | | |
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
|
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
|
-
+
+
-
+
+
-
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
|
0x60,0x9C,0x5F,0xA3,0x5D,0x34,0x14,0x7E,0x63,0x54,0xE4,0x7E,
0x09,0x8F,0xBB,0x8E,0xA0,0xD0,0x96,0xAC,0x30,0x20,0x39,0x3B,
0x8C,0x92,0x65,0x37,0x0A,0x8F,0xEC,0x72,0x8B,0x61,0x7D,0x62,
0x24,0x54,0xE9,0x1D,0x01,0x68,0x89,0xC4,0x7B,0x3C,0x48,0x62,
0x9B,0x83,0x11,0x3A,0x0B,0x0D,0xEF,0x5A,0xE4,0x7A,0xA0,0x69,
0xF4,0x54,0xB5,0x5B,
};
static unsigned char dh2048_g[]={
static unsigned char dhg_2048[] = {
0x02,
};
DH *dh;
DH *dh = DH_new();;
BIGNUM *dhp_bn, *dhg_bn;
if ((dh=DH_new()) == NULL) return(NULL);
dh->p=BN_bin2bn(dh2048_p,sizeof(dh2048_p),NULL);
dh->g=BN_bin2bn(dh2048_g,sizeof(dh2048_g),NULL);
if ((dh->p == NULL) || (dh->g == NULL))
{ DH_free(dh); return(NULL); }
if (dh == NULL) {
return NULL;
}
dhp_bn = BN_bin2bn(dhp_2048, sizeof (dhp_2048), NULL);
dhg_bn = BN_bin2bn(dhg_2048, sizeof (dhg_2048), NULL);
#ifdef TCLTLS_OPENSSL_PRE_1_1_API
dh->p = dhp_bn;
dh->g = dhg_bn;
if (dhp_bn == NULL || dhg_bn == NULL) {
#else
if (dhp_bn == NULL || dhg_bn == NULL || !DH_set0_pqg(dh, dhp_bn, NULL, dhg_bn)) {
#endif
DH_free(dh);
BN_free(dhp_bn);
BN_free(dhg_bn);
return(NULL);
}
return(dh);
}
_EOF_
}
# Enable support for giving the same DH params each time
if [ "$1" = 'fallback' ]; then
gen_dh_params_fallback && exit 0
exit 1
fi
echo "*****************************"
echo "** Generating DH Primes. **"
echo "** This will take a while. **"
echo "*****************************"
gen_dh_params_openssl && exit 0
gen_dh_params_remote && exit 0
gen_dh_params_fallback && exit 0
exit 1
|
︙ | | |
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
-
+
|
set doTestsWithRemoteServer 0
} else {
set remoteServerIP 127.0.0.1
set remoteFile [file join [pwd] remote.tcl]
if {[catch {set remoteProcChan \
[open "|[list $::tcltest::tcltest $remoteFile \
-serverIsSilent -port $remoteServerPort \
-address $remoteServerIP]" w+]} msg] == 0} {
-address $remoteServerIP] 2> /dev/null" w+]} msg] == 0} {
after 1000
if {[catch {set commandSocket [tls::socket -cafile $caCert \
-certfile $clientCert -keyfile $clientKey \
$remoteServerIP $remoteServerPort]} msg] == 0} {
fconfigure $commandSocket -translation crlf -buffering line
} else {
set noRemoteTestReason $msg
|
︙ | | |
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
|
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
|
-
+
|
puts ready
vwait x
after cancel $timer
close $f
puts $x
}
close $f
set f [open "|[list $::tcltest::tcltest script]" r]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r]
gets $f x
if {[catch {tls::socket -certfile $clientCert -cafile $caCert \
-keyfile $clientKey 127.0.0.1 8828} msg]} {
set x $msg
} else {
lappend x [gets $f]
close $msg
|
︙ | | |
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
|
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
|
-
+
|
}
puts ready
vwait x
after cancel $timer
close $f
}
close $f
set f [open "|[list $::tcltest::tcltest script]" r]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r]
gets $f x
global port
if {[catch {tls::socket -myport $port \
-certfile $clientCert -cafile $caCert \
-keyfile $clientKey 127.0.0.1 8829} sock]} {
set x $sock
catch {close [tls::socket 127.0.0.1 8829]}
|
︙ | | |
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
|
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
|
-
+
|
}
puts ready
vwait x
after cancel $timer
close $f
}
close $f
set f [open "|[list $::tcltest::tcltest script]" r]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r]
gets $f x
if {[catch {tls::socket -myaddr 127.0.0.1 \
-certfile $clientCert -cafile $caCert \
-keyfile $clientKey 127.0.0.1 8830} sock]} {
set x $sock
} else {
puts $sock hello
|
︙ | | |
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
|
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
|
-
+
|
}
puts ready
vwait x
after cancel $timer
close $f
}
close $f
set f [open "|[list $::tcltest::tcltest script]" r]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r]
gets $f x
if {[catch {tls::socket -certfile $clientCert -cafile $caCert \
-keyfile $clientKey [info hostname] 8831} sock]} {
set x $sock
} else {
puts $sock hello
flush $sock
|
︙ | | |
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
|
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
|
-
+
|
}
puts ready
vwait x
after cancel $timer
close $f
}
close $f
set f [open "|[list $::tcltest::tcltest script]" r]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r]
gets $f x
if {[catch {tls::socket -certfile $clientCert -cafile $caCert \
-keyfile $clientKey 127.0.0.1 8832} sock]} {
set x $sock
} else {
puts $sock hello
flush $sock
|
︙ | | |
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
|
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
|
-
+
|
puts ready
vwait x
after cancel $timer
close $f
puts done
}
close $f
set f [open "|[list $::tcltest::tcltest script]" r]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r]
gets $f
set s [tls::socket -certfile $clientCert -cafile $caCert \
-keyfile $clientKey 127.0.0.1 8834]
fconfigure $s -buffering line -translation lf
puts $s "hello abcdefghijklmnop"
after 1000
set x [gets $s]
|
︙ | | |
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
|
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
|
-
+
|
set timer [after 20000 "set x done"]
vwait x
after cancel $timer
close $f
puts "done $i"
}
close $f
set f [open "|[list $::tcltest::tcltest script]" r]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r]
gets $f
set s [tls::socket -certfile $clientCert -cafile $caCert \
-keyfile $clientKey 127.0.0.1 8835]
fconfigure $s -buffering line
catch {
for {set x 0} {$x < 50} {incr x} {
puts $s "hello abcdefghijklmnop"
|
︙ | | |
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
|
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
|
-
+
|
puts ready
vwait x
after cancel $timer
close $f
puts $x
}
close $f
set f [open "|[list $::tcltest::tcltest script]" r]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r]
gets $f x
if {[catch {tls::socket 127.0.0.1 8828} msg]} {
set x $msg
} else {
lappend x [gets $f]
close $msg
}
|
︙ | | |
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
|
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
|
-
+
|
puts $f "set f \[tls::socket -server accept -certfile $serverCert -cafile $caCert -keyfile $serverKey 8828 \]"
puts $f {
puts ready
gets stdin
close $f
}
close $f
set f [open "|[list $::tcltest::tcltest script]" r+]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r+]
gets $f
set x [list [catch {tls::socket \
-certfile $clientCert -cafile $caCert -keyfile $clientKey \
-server accept 8828} msg] \
$msg]
puts $f bye
close $f
|
︙ | | |
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
|
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
|
-
+
-
+
-
+
-
+
|
after cancel $t2
vwait x
after cancel $t3
close $s
puts $x
}
close $f
set f [open "|[list $::tcltest::tcltest script]" r+]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r+]
set x [gets $f]
set s1 [tls::socket \
-certfile $clientCert -cafile $caCert -keyfile $clientKey \
127.0.0.1 8828]
fconfigure $s1 -buffering line
set s2 [tls::socket \
-certfile $clientCert -cafile $caCert -keyfile $clientKey \
127.0.0.1 8828]
fconfigure $s2 -buffering line
set s3 [tls::socket \
-certfile $clientCert -cafile $caCert -keyfile $clientKey \
127.0.0.1 8828]
fconfigure $s3 -buffering line
for {set i 0} {$i < 100} {incr i} {
puts $s1 hello,s1
puts $s1 hello,tlsIO-3.2,s1
gets $s1
puts $s2 hello,s2
puts $s2 hello,tlsIO-3.2,s2
gets $s2
puts $s3 hello,s3
puts $s3 hello,tlsIO-3.2,s3
gets $s3
}
close $s1
close $s2
close $s3
lappend x [gets $f]
close $f
|
︙ | | |
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
|
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
|
-
+
-
+
-
+
|
gets $s
}
close $s
puts bye
gets stdin
}
close $f
set p1 [open "|[list $::tcltest::tcltest script]" r+]
set p1 [open "|[list $::tcltest::tcltest script] 2> /dev/null" r+]
fconfigure $p1 -buffering line
set p2 [open "|[list $::tcltest::tcltest script]" r+]
set p2 [open "|[list $::tcltest::tcltest script] 2> /dev/null" r+]
fconfigure $p2 -buffering line
set p3 [open "|[list $::tcltest::tcltest script]" r+]
set p3 [open "|[list $::tcltest::tcltest script] 2> /dev/null" r+]
fconfigure $p3 -buffering line
proc accept {s a p} {
fconfigure $s -buffering line
fileevent $s readable [list echo $s]
}
proc echo {s} {
global x
|
︙ | | |
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
|
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
|
-
+
|
puts $f [list set auto_path $auto_path]
puts $f {
package require tls
gets stdin
}
puts $f [list tls::socket -cafile $caCert 127.0.0.1 8848]
close $f
set f [open "|[list $::tcltest::tcltest script]" r+]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r+]
proc bgerror args {
global x
set x $args
}
proc accept {s a p} {expr 10 / 0}
set s [tls::socket -server accept \
-certfile $serverCert -cafile $caCert -keyfile $serverKey 8848]
|
︙ | | |
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
|
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
|
-
+
|
}
puts ready
set timer [after 10000 "set x timed_out"]
vwait x
after cancel $timer
}
close $f
set f [open "|[list $::tcltest::tcltest script]" r]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r]
gets $f
set s [tls::socket \
-certfile $clientCert -cafile $caCert -keyfile $clientKey \
127.0.0.1 8820]
set p [fconfigure $s -peername]
close $s
close $f
|
︙ | | |
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
|
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
|
-
+
|
}
puts ready
set timer [after 10000 "set x timed_out"]
vwait x
after cancel $timer
}
close $f
set f [open "|[list $::tcltest::tcltest script]" r]
set f [open "|[list $::tcltest::tcltest script] 2> /dev/null" r]
gets $f
set s [tls::socket \
-certfile $clientCert -cafile $caCert -keyfile $clientKey \
127.0.0.1 8821]
set p [fconfigure $s -sockname]
close $s
close $f
|
︙ | | |
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
|
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
|
-
+
-
+
-
+
|
$remoteServerIP 8836]
fconfigure $s2 -buffering line
set s3 [tls::socket \
-certfile $clientCert -cafile $caCert -keyfile $clientKey \
$remoteServerIP 8836]
fconfigure $s3 -buffering line
for {set i 0} {$i < 100} {incr i} {
puts $s1 hello,s1
puts $s1 hello,tlsIO-11.7,s1
gets $s1
puts $s2 hello,s2
puts $s2 hello,tlsIO-11.7,s2
gets $s2
puts $s3 hello,s3
puts $s3 hello,tlsIO-11.7,s3
gets $s3
}
close $s1
close $s2
close $s3
sendCommand {close $socket10_9_test_server}
set i
|
︙ | | |
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
|
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
|
-
+
-
+
-
+
-
+
+
+
+
+
+
|
set ::done HAND
catch {tls::handshake $sock} msg
set ::done $msg
}
# NOTE: when doing an in-process client/server test, both sides need
# to be non-blocking for the TLS handshake
# Server - Only accept TLS 1 or higher
# Server - Only accept TLS 1.2
set s [tls::socket \
-certfile $serverCert -cafile $caCert -keyfile $serverKey \
-request 0 -require 0 -ssl2 0 -ssl3 0 -tls1 1 -tls1.1 1 -tls1.2 1 \
-request 0 -require 0 -ssl2 0 -ssl3 0 -tls1 0 -tls1.1 0 -tls1.2 1 \
-server Accept 8831]
# Client - Only propose SSL3
# Client - Only propose TLS1.0
set c [tls::socket -async \
-cafile $caCert \
-request 0 -require 0 -ssl2 0 -ssl3 1 -tls1 0 -tls1.1 0 -tls1.2 0 \
-request 0 -require 0 -ssl2 0 -ssl3 0 -tls1 1 -tls1.1 0 -tls1.2 0 \
[info hostname] 8831]
fconfigure $c -blocking 0
puts $c a ; flush $c
after 5000 [list set ::done timeout]
vwait ::done
switch -exact -- $::done {
"handshake failed: wrong ssl version" {
set ::done "handshake failed: wrong version number"
}
}
set ::done
} {handshake failed: wrong version number}
# cleanup
if {[string match sock* $commandSocket] == 1} {
puts $commandSocket exit
flush $commandSocket
}
catch {close $commandSocket}
catch {close $remoteProcChan}
::tcltest::cleanupTests
flush stdout
return
|
︙ | | |
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
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-
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-
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|
*/
#define F2N( key, dsp) \
(((key) == NULL) ? (char *) NULL : \
Tcl_TranslateFileName(interp, (key), (dsp)))
#define REASON() ERR_reason_error_string(ERR_get_error())
static void InfoCallback _ANSI_ARGS_ ((CONST SSL *ssl, int where, int ret));
static void InfoCallback(CONST SSL *ssl, int where, int ret);
static int CiphersObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int CiphersObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int HandshakeObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int HandshakeObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int ImportObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int ImportObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int StatusObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int StatusObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int VersionObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int VersionObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int MiscObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int MiscObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static int UnimportObjCmd _ANSI_ARGS_ ((ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static int UnimportObjCmd(ClientData clientData,
Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
static SSL_CTX *CTX_Init _ANSI_ARGS_((State *statePtr, int proto, char *key,
static SSL_CTX *CTX_Init(State *statePtr, int proto, char *key,
char *cert, char *CAdir, char *CAfile, char *ciphers,
char *DHparams));
char *DHparams);
static int TlsLibInit _ANSI_ARGS_ ((void)) ;
static int TlsLibInit(int uninitialize);
#define TLS_PROTO_SSL2 0x01
#define TLS_PROTO_SSL3 0x02
#define TLS_PROTO_TLS1 0x04
#define TLS_PROTO_TLS1_1 0x08
#define TLS_PROTO_TLS1_2 0x10
#define ENABLED(flag, mask) (((flag) & (mask)) == (mask))
/*
* Static data structures
*/
#ifndef OPENSSL_NO_DH
#include "dh_params.h"
#endif
/*
* Defined in Tls_Init to determine what kind of channels we are using
* (old-style 8.2.0-8.3.1 or new-style 8.3.2+).
*/
int channelTypeVersion = TLS_CHANNEL_VERSION_2;
/*
* We lose the tcl password callback when we use the RSA BSAFE SSL-C 1.1.2
* libraries instead of the current OpenSSL libraries.
*/
#ifdef BSAFE
#define PRE_OPENSSL_0_9_4 1
|
︙ | | |
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|
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+
|
#include <openssl/crypto.h>
/*
* Threaded operation requires locking callbacks
* Based from /crypto/cryptlib.c of OpenSSL and NSOpenSSL.
*/
static Tcl_Mutex locks[CRYPTO_NUM_LOCKS];
static Tcl_Mutex *locks = NULL;
static int locksCount = 0;
static Tcl_Mutex init_mx;
static void CryptoThreadLockCallback (int mode, int n, const char *file, int line);
static unsigned long CryptoThreadIdCallback (void);
static void
CryptoThreadLockCallback(int mode, int n, const char *file, int line)
{
void CryptoThreadLockCallback(int mode, int n, const char *file, int line) {
if (mode & CRYPTO_LOCK) {
/* This debugging is turned off by default -- it's too noisy. */
/* dprintf("Called to lock (n=%i of %i)", n, locksCount); */
Tcl_MutexLock(&locks[n]);
} else {
/* dprintf("Called to unlock (n=%i of %i)", n, locksCount); */
Tcl_MutexUnlock(&locks[n]);
}
}
dprintf("Returning");
return;
file = file;
line = line;
}
static unsigned long
CryptoThreadIdCallback(void)
{
return (unsigned long) Tcl_GetCurrentThread();
unsigned long CryptoThreadIdCallback(void) {
unsigned long ret;
dprintf("Called");
ret = (unsigned long) Tcl_GetCurrentThread();
dprintf("Returning %lu", ret);
return(ret);
}
#endif /* OPENSSL_THREADS */
#endif /* TCL_THREADS */
/*
*-------------------------------------------------------------------
|
︙ | | |
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|
+
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|
*/
static void
InfoCallback(CONST SSL *ssl, int where, int ret)
{
State *statePtr = (State*)SSL_get_app_data((SSL *)ssl);
Tcl_Obj *cmdPtr;
char *major; char *minor;
dprintf("Called");
if (statePtr->callback == (Tcl_Obj*)NULL)
return;
cmdPtr = Tcl_DuplicateObj(statePtr->callback);
#if 0
|
︙ | | |
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|
-
+
|
*/
static int
VerifyCallback(int ok, X509_STORE_CTX *ctx)
{
Tcl_Obj *cmdPtr, *result;
char *errStr, *string;
int length;
SSL *ssl = (SSL*)X509_STORE_CTX_get_app_data(ctx);
SSL *ssl = (SSL*)X509_STORE_CTX_get_ex_data(ctx, SSL_get_ex_data_X509_STORE_CTX_idx());
X509 *cert = X509_STORE_CTX_get_current_cert(ctx);
State *statePtr = (State*)SSL_get_app_data(ssl);
int depth = X509_STORE_CTX_get_error_depth(ctx);
int err = X509_STORE_CTX_get_error(ctx);
dprintf("Verify: %d", ok);
|
︙ | | |
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|
+
+
|
*-------------------------------------------------------------------
*/
void
Tls_Error(State *statePtr, char *msg)
{
Tcl_Obj *cmdPtr;
dprintf("Called");
if (msg && *msg) {
Tcl_SetErrorCode(statePtr->interp, "SSL", msg, (char *)NULL);
} else {
msg = Tcl_GetStringFromObj(Tcl_GetObjResult(statePtr->interp), NULL);
}
statePtr->err = msg;
|
︙ | | |
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|
+
+
+
+
+
|
* No way to handle user-data therefore no way without a global
* variable to access the Tcl interpreter.
*/
static int
PasswordCallback(char *buf, int size, int verify)
{
return -1;
buf = buf;
size = size;
verify = verify;
}
#else
static int
PasswordCallback(char *buf, int size, int verify, void *udata)
{
State *statePtr = (State *) udata;
Tcl_Interp *interp = statePtr->interp;
Tcl_Obj *cmdPtr;
int result;
dprintf("Called");
if (statePtr->password == NULL) {
if (Tcl_EvalEx(interp, "tls::password", -1, TCL_EVAL_GLOBAL)
== TCL_OK) {
char *ret = (char *) Tcl_GetStringResult(interp);
strncpy(buf, ret, (size_t) size);
return (int)strlen(ret);
|
︙ | | |
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|
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|
+
|
if (result == TCL_OK) {
char *ret = (char *) Tcl_GetStringResult(interp);
strncpy(buf, ret, (size_t) size);
return (int)strlen(ret);
} else {
return -1;
}
verify = verify;
}
#endif
/*
*-------------------------------------------------------------------
*
* CiphersObjCmd -- list available ciphers
|
︙ | | |
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|
+
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|
};
Tcl_Obj *objPtr;
SSL_CTX *ctx = NULL;
SSL *ssl = NULL;
STACK_OF(SSL_CIPHER) *sk;
char *cp, buf[BUFSIZ];
int index, verbose = 0;
dprintf("Called");
if (objc < 2 || objc > 3) {
Tcl_WrongNumArgs(interp, 1, objv, "protocol ?verbose?");
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj( interp, objv[1], protocols, "protocol", 0,
&index) != TCL_OK) {
|
︙ | | |
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|
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|
+
|
}
}
SSL_free(ssl);
SSL_CTX_free(ctx);
Tcl_SetObjResult( interp, objPtr);
return TCL_OK;
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* HandshakeObjCmd --
*
|
︙ | | |
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|
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696
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698
|
+
+
-
+
-
+
+
+
+
-
-
+
+
+
|
int objc;
Tcl_Obj *CONST objv[];
{
Tcl_Channel chan; /* The channel to set a mode on. */
State *statePtr; /* client state for ssl socket */
int ret = 1;
dprintf("Called");
if (objc != 2) {
Tcl_WrongNumArgs(interp, 1, objv, "channel");
return TCL_ERROR;
}
chan = Tcl_GetChannel(interp, Tcl_GetStringFromObj(objv[1], NULL), NULL);
if (chan == (Tcl_Channel) NULL) {
return TCL_ERROR;
}
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
/*
* Make sure to operate on the topmost channel
*/
chan = Tcl_GetTopChannel(chan);
}
if (Tcl_GetChannelType(chan) != Tls_ChannelType()) {
Tcl_AppendResult(interp, "bad channel \"", Tcl_GetChannelName(chan),
"\": not a TLS channel", NULL);
return TCL_ERROR;
}
statePtr = (State *)Tcl_GetChannelInstanceData(chan);
if (!SSL_is_init_finished(statePtr->ssl)) {
int err = 0;
dprintf("Calling Tls_WaitForConnect");
ret = Tls_WaitForConnect(statePtr, &err);
dprintf("Tls_WaitForConnect returned: %i", ret);
if ((statePtr->flags & TLS_TCL_ASYNC) && err == EAGAIN) {
dprintf("Async set and err = EAGAIN");
ret = 0;
}
if (ret < 0) {
CONST char *errStr = statePtr->err;
Tcl_ResetResult(interp);
Tcl_SetErrno(err);
if (!errStr || *errStr == 0) {
errStr = Tcl_PosixError(interp);
}
Tcl_AppendResult(interp, "handshake failed: ", errStr,
(char *) NULL);
Tcl_AppendResult(interp, "handshake failed: ", errStr, (char *) NULL);
dprintf("Returning TCL_ERROR with handshake failed: %s", errStr);
return TCL_ERROR;
}
}
Tcl_SetObjResult(interp, Tcl_NewIntObj(ret));
return TCL_OK;
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* ImportObjCmd --
*
|
︙ | | |
733
734
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736
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|
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769
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777
778
779
780
781
782
783
784
785
786
787
|
+
+
-
+
-
|
int tls1_2 = 0;
#else
int tls1_2 = 1;
#endif
int proto = 0;
int verify = 0, require = 0, request = 1;
dprintf("Called");
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "channel ?options?");
return TCL_ERROR;
}
chan = Tcl_GetChannel(interp, Tcl_GetStringFromObj(objv[1], NULL), NULL);
if (chan == (Tcl_Channel) NULL) {
return TCL_ERROR;
}
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
/*
* Make sure to operate on the topmost channel
*/
chan = Tcl_GetTopChannel(chan);
}
for (idx = 2; idx < objc; idx++) {
char *opt = Tcl_GetStringFromObj(objv[idx], NULL);
if (opt[0] != '-')
break;
|
︙ | | |
834
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|
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864
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866
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868
869
870
871
872
873
874
875
876
877
878
|
-
+
-
|
int mode;
/* Get the "model" context */
chan = Tcl_GetChannel(interp, model, &mode);
if (chan == (Tcl_Channel) NULL) {
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
/*
* Make sure to operate on the topmost channel
*/
chan = Tcl_GetTopChannel(chan);
}
if (Tcl_GetChannelType(chan) != Tls_ChannelType()) {
Tcl_AppendResult(interp, "bad channel \"",
Tcl_GetChannelName(chan), "\": not a TLS channel", NULL);
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
ctx = ((State *)Tcl_GetChannelInstanceData(chan))->ctx;
|
︙ | | |
864
865
866
867
868
869
870
871
872
873
874
875
876
877
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879
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|
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
|
-
-
+
-
-
+
-
-
+
-
-
-
+
-
-
-
|
/*
* We need to make sure that the channel works in binary (for the
* encryption not to get goofed up).
* We only want to adjust the buffering in pre-v2 channels, where
* each channel in the stack maintained its own buffers.
*/
Tcl_SetChannelOption(interp, chan, "-translation", "binary");
if (channelTypeVersion == TLS_CHANNEL_VERSION_1) {
Tcl_SetChannelOption(interp, chan, "-buffering", "none");
Tcl_SetChannelOption(interp, chan, "-blocking", "true");
}
dprintf("Consuming Tcl channel %s", Tcl_GetChannelName(chan));
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
statePtr->self = Tcl_StackChannel(interp, Tls_ChannelType(),
statePtr->self = Tcl_StackChannel(interp, Tls_ChannelType(), (ClientData) statePtr, (TCL_READABLE | TCL_WRITABLE), chan);
(ClientData) statePtr, (TCL_READABLE | TCL_WRITABLE), chan);
} else {
statePtr->self = chan;
dprintf("Created channel named %s", Tcl_GetChannelName(statePtr->self));
Tcl_StackChannel(interp, Tls_ChannelType(),
(ClientData) statePtr, (TCL_READABLE | TCL_WRITABLE), chan);
}
if (statePtr->self == (Tcl_Channel) NULL) {
/*
* No use of Tcl_EventuallyFree because no possible Tcl_Preserve.
*/
Tls_Free((char *) statePtr);
return TCL_ERROR;
}
|
︙ | | |
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
|
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
|
-
+
+
+
|
SSL_set_app_data(statePtr->ssl, (VOID *)statePtr); /* point back to us */
SSL_set_verify(statePtr->ssl, verify, VerifyCallback);
SSL_CTX_set_info_callback(statePtr->ctx, InfoCallback);
/* Create Tcl_Channel BIO Handler */
statePtr->p_bio = BIO_new_tcl(statePtr, BIO_CLOSE);
statePtr->p_bio = BIO_new_tcl(statePtr, BIO_NOCLOSE);
statePtr->bio = BIO_new(BIO_f_ssl());
if (server) {
statePtr->flags |= TLS_TCL_SERVER;
SSL_set_accept_state(statePtr->ssl);
} else {
SSL_set_connect_state(statePtr->ssl);
}
SSL_set_bio(statePtr->ssl, statePtr->p_bio, statePtr->p_bio);
BIO_set_ssl(statePtr->bio, statePtr->ssl, BIO_NOCLOSE);
/*
* End of SSL Init
*/
dprintf("Returning %s", Tcl_GetChannelName(statePtr->self));
Tcl_SetResult(interp, (char *) Tcl_GetChannelName(statePtr->self),
TCL_VOLATILE);
return TCL_OK;
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* UnimportObjCmd --
*
|
︙ | | |
964
965
966
967
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969
970
971
972
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974
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992
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1001
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|
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1012
1013
1014
1015
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1017
1018
1019
1020
1021
1022
1023
1024
1025
|
+
+
-
-
+
|
ClientData clientData; /* Not used. */
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
Tcl_Channel chan; /* The channel to set a mode on. */
dprintf("Called");
if (objc != 2) {
Tcl_WrongNumArgs(interp, 1, objv, "channel");
return TCL_ERROR;
}
chan = Tcl_GetChannel(interp, Tcl_GetString(objv[1]), NULL);
if (chan == (Tcl_Channel) NULL) {
return TCL_ERROR;
}
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
/*
* Make sure to operate on the topmost channel
*/
chan = Tcl_GetTopChannel(chan);
}
if (Tcl_GetChannelType(chan) != Tls_ChannelType()) {
Tcl_AppendResult(interp, "bad channel \"", Tcl_GetChannelName(chan),
"\": not a TLS channel", NULL);
return TCL_ERROR;
}
if (Tcl_UnstackChannel(interp, chan) == TCL_ERROR) {
return TCL_ERROR;
}
return TCL_OK;
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* CTX_Init -- construct a SSL_CTX instance
*
|
︙ | | |
1025
1026
1027
1028
1029
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1031
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1050
1051
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1053
1054
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1056
1057
1058
1059
1060
|
+
+
|
{
Tcl_Interp *interp = statePtr->interp;
SSL_CTX *ctx = NULL;
Tcl_DString ds;
Tcl_DString ds1;
int off = 0;
const SSL_METHOD *method;
dprintf("Called");
if (!proto) {
Tcl_AppendResult(interp, "no valid protocol selected", NULL);
return (SSL_CTX *)0;
}
/* create SSL context */
|
︙ | | |
1275
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|
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|
+
+
-
-
|
State *statePtr;
X509 *peer;
Tcl_Obj *objPtr;
Tcl_Channel chan;
char *channelName, *ciphers;
int mode;
dprintf("Called");
switch (objc) {
case 2:
channelName = Tcl_GetStringFromObj(objv[1], NULL);
break;
case 3:
if (!strcmp (Tcl_GetString (objv[1]), "-local")) {
channelName = Tcl_GetStringFromObj(objv[2], NULL);
break;
}
/* else fall... */
default:
Tcl_WrongNumArgs(interp, 1, objv, "?-local? channel");
return TCL_ERROR;
}
chan = Tcl_GetChannel(interp, channelName, &mode);
if (chan == (Tcl_Channel) NULL) {
return TCL_ERROR;
}
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
/*
* Make sure to operate on the topmost channel
*/
chan = Tcl_GetTopChannel(chan);
}
if (Tcl_GetChannelType(chan) != Tls_ChannelType()) {
Tcl_AppendResult(interp, "bad channel \"", Tcl_GetChannelName(chan),
"\": not a TLS channel", NULL);
return TCL_ERROR;
}
statePtr = (State *) Tcl_GetChannelInstanceData(chan);
if (objc == 2) {
|
︙ | | |
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1368
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|
+
|
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewStringObj("cipher", -1));
Tcl_ListObjAppendElement(interp, objPtr,
Tcl_NewStringObj(SSL_get_cipher(statePtr->ssl), -1));
}
Tcl_SetObjResult( interp, objPtr);
return TCL_OK;
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* VersionObjCmd -- return version string from OpenSSL.
*
|
︙ | | |
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|
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|
VersionObjCmd(clientData, interp, objc, objv)
ClientData clientData; /* Not used. */
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
Tcl_Obj *objPtr;
dprintf("Called");
objPtr = Tcl_NewStringObj(OPENSSL_VERSION_TEXT, -1);
Tcl_SetObjResult(interp, objPtr);
return TCL_OK;
clientData = clientData;
objc = objc;
objv = objv;
}
/*
*-------------------------------------------------------------------
*
* MiscObjCmd -- misc commands
*
|
︙ | | |
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|
+
+
|
Tcl_Interp *interp;
int objc;
Tcl_Obj *CONST objv[];
{
static CONST84 char *commands [] = { "req", NULL };
enum command { C_REQ, C_DUMMY };
int cmd;
dprintf("Called");
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "subcommand ?args?");
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, objv[1], commands,
"command", 0,&cmd) != TCL_OK) {
|
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|
+
|
}
}
break;
default:
break;
}
return TCL_OK;
clientData = clientData;
}
/*
*-------------------------------------------------------------------
*
* Tls_Free --
*
|
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+
+
|
*
*-------------------------------------------------------------------
*/
void
Tls_Free( char *blockPtr )
{
State *statePtr = (State *)blockPtr;
dprintf("Called");
Tls_Clean(statePtr);
ckfree(blockPtr);
}
/*
*-------------------------------------------------------------------
|
︙ | | |
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|
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-
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+
+
-
|
* none
*
* Side effects:
* Frees all the state
*
*-------------------------------------------------------------------
*/
void
Tls_Clean(State *statePtr)
{
void Tls_Clean(State *statePtr) {
dprintf("Called");
/*
* we're assuming here that we're single-threaded
*/
if (statePtr->timer != (Tcl_TimerToken) NULL) {
Tcl_DeleteTimerHandler(statePtr->timer);
statePtr->timer = NULL;
}
if (statePtr->bio) {
/* This will call SSL_shutdown. Bug 1414045 */
|
︙ | | |
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|
+
+
-
-
+
-
-
+
-
+
-
-
-
-
+
-
+
-
+
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+
-
+
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+
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-
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-
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+
-
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+
|
Tcl_DecrRefCount(statePtr->callback);
statePtr->callback = NULL;
}
if (statePtr->password) {
Tcl_DecrRefCount(statePtr->password);
statePtr->password = NULL;
}
dprintf("Returning");
}
/*
*-------------------------------------------------------------------
*
* Tls_Init --
*
* This is a package initialization procedure, which is called
* by Tcl when this package is to be added to an interpreter.
*
* Results: Ssl configured and loaded
*
* Side effects:
* create the ssl command, initialise ssl context
*
*-------------------------------------------------------------------
*/
int
Tls_Init(Tcl_Interp *interp) /* Interpreter in which the package is
int Tls_Init(Tcl_Interp *interp) {
* to be made available. */
{
const char tlsTclInitScript[] = {
#include "tls.tcl.h"
, 0x00
};
int major, minor, patchlevel, release;
dprintf("Called");
/*
* The original 8.2.0 stacked channel implementation (and the patch
* that preceded it) had problems with scalability and robustness.
* These were address in 8.3.2 / 8.4a2, so we now require that as a
* minimum for TLS 1.4+. We only support 8.2+ now (8.3.2+ preferred).
* We only support Tcl 8.4 or newer
*/
if (
#ifdef USE_TCL_STUBS
Tcl_InitStubs(interp, "8.2", 0)
Tcl_InitStubs(interp, "8.4", 0)
#else
Tcl_PkgRequire(interp, "Tcl", "8.2", 0)
Tcl_PkgRequire(interp, "Tcl", "8.4", 0)
#endif
== NULL) {
return TCL_ERROR;
}
/*
* Get the version so we can runtime switch on available functionality.
* TLS should really only be used in 8.3.2+, but the other works for
* some limited functionality, so an attempt at support is made.
*/
Tcl_GetVersion(&major, &minor, &patchlevel, &release);
if ((major > 8) || ((major == 8) && ((minor > 3) || ((minor == 3) &&
(release == TCL_FINAL_RELEASE) && (patchlevel >= 2))))) {
/* 8.3.2+ */
channelTypeVersion = TLS_CHANNEL_VERSION_2;
} else {
/* 8.2.0 - 8.3.1 */
channelTypeVersion = TLS_CHANNEL_VERSION_1;
}
if (TlsLibInit() != TCL_OK) {
if (TlsLibInit(0) != TCL_OK) {
Tcl_AppendResult(interp, "could not initialize SSL library", NULL);
return TCL_ERROR;
}
Tcl_CreateObjCommand(interp, "tls::ciphers", CiphersObjCmd,
Tcl_CreateObjCommand(interp, "tls::ciphers", CiphersObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::handshake", HandshakeObjCmd,
Tcl_CreateObjCommand(interp, "tls::handshake", HandshakeObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::import", ImportObjCmd,
Tcl_CreateObjCommand(interp, "tls::import", ImportObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::unimport", UnimportObjCmd,
Tcl_CreateObjCommand(interp, "tls::unimport", UnimportObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::status", StatusObjCmd,
Tcl_CreateObjCommand(interp, "tls::status", StatusObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::version", VersionObjCmd,
Tcl_CreateObjCommand(interp, "tls::version", VersionObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
Tcl_CreateObjCommand(interp, "tls::misc", MiscObjCmd,
Tcl_CreateObjCommand(interp, "tls::misc", MiscObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
if (interp) {
Tcl_Eval(interp, tlsTclInitScript);
}
return Tcl_PkgProvide(interp, "tls", PACKAGE_VERSION);
return(Tcl_PkgProvide(interp, "tls", PACKAGE_VERSION));
}
/*
*------------------------------------------------------*
*
* Tls_SafeInit --
*
|
︙ | | |
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
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1791
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1796
1797
1798
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1800
1801
1802
1803
1804
1805
1806
1807
1808
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1810
|
1715
1716
1717
1718
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1720
1721
1722
1723
1724
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1727
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1821
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1823
1824
1825
1826
1827
1828
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1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
|
-
-
+
-
-
+
+
-
-
+
+
+
+
+
-
-
-
-
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
-
+
+
+
+
+
+
+
-
-
+
+
-
-
-
+
-
-
-
-
-
-
+
-
-
-
-
-
-
-
+
+
+
+
+
+
+
+
+
-
+
+
+
-
+
|
*
* Result:
* A standard Tcl error code.
*
*------------------------------------------------------*
*/
int
Tls_SafeInit (Tcl_Interp* interp)
int Tls_SafeInit(Tcl_Interp *interp) {
{
return Tls_Init (interp);
dprintf("Called");
return(Tls_Init(interp));
}
/*
*------------------------------------------------------*
*
* TlsLibInit --
*
* ------------------------------------------------*
* Initializes SSL library once per application
* ------------------------------------------------*
*
* Side effects:
* initilizes SSL library
*
* Result:
* none
*
*------------------------------------------------------*
*/
static int TlsLibInit (void) {
static int TlsLibInit(int uninitialize) {
static int initialized = 0;
int status = TCL_OK;
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
size_t num_locks;
#endif
int i;
char rnd_seed[16] = "GrzSlplKqUdnnzP!"; /* 16 bytes */
int status=TCL_OK;
if (uninitialize) {
if (!initialized) {
dprintf("Asked to uninitialize, but we are not initialized");
return(TCL_OK);
}
dprintf("Asked to uninitialize");
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
Tcl_MutexLock(&init_mx);
CRYPTO_set_locking_callback(NULL);
CRYPTO_set_id_callback(NULL);
if (locks) {
free(locks);
locks = NULL;
locksCount = 0;
}
#endif
initialized = 0;
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
Tcl_MutexUnlock(&init_mx);
#endif
return(TCL_OK);
}
if (initialized) {
dprintf("Called, but using cached value");
return status;
return(status);
}
dprintf("Called");
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
Tcl_MutexLock(&init_mx);
#endif
initialized = 1;
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
size_t num_locks;
num_locks = CRYPTO_num_locks();
locksCount = num_locks;
Tcl_MutexLock(&init_mx);
#endif
locks = malloc(sizeof(*locks) * num_locks);
if (CRYPTO_set_mem_functions((void *(*)(size_t))Tcl_Alloc,
(void *(*)(void *, size_t))Tcl_Realloc,
(void(*)(void *))Tcl_Free) == 0) {
/* Not using Tcl's mem functions ... not critical */
}
memset(locks, 0, sizeof(*locks) * num_locks);
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
/* should we consider allocating mutexes? */
num_locks = CRYPTO_num_locks();
if (num_locks > CRYPTO_NUM_LOCKS) {
status=TCL_ERROR;
goto done;
}
CRYPTO_set_locking_callback(CryptoThreadLockCallback);
CRYPTO_set_id_callback(CryptoThreadIdCallback);
#endif
if (SSL_library_init() != 1) {
status=TCL_ERROR;
goto done;
}
SSL_load_error_strings();
ERR_load_crypto_strings();
BIO_new_tcl(NULL, 0);
#if 0
/*
* XXX:TODO: Remove this code and replace it with a check
* for enough entropy and do not try to create our own
* terrible entropy
*/
/*
* Seed the random number generator in the SSL library,
* using the do/while construct because of the bug note in the
* OpenSSL FAQ at http://www.openssl.org/support/faq.html#USER1
*
* The crux of the problem is that Solaris 7 does not have a
* /dev/random or /dev/urandom device so it cannot gather enough
* entropy from the RAND_seed() when TLS initializes and refuses
* to go further. Earlier versions of OpenSSL carried on regardless.
*/
srand((unsigned int) time((time_t *) NULL));
do {
for (i = 0; i < 16; i++) {
rnd_seed[i] = 1 + (char) (255.0 * rand()/(RAND_MAX+1.0));
}
RAND_seed(rnd_seed, sizeof(rnd_seed));
} while (RAND_status() != 1);
done:
#endif
done:
#if defined(OPENSSL_THREADS) && defined(TCL_THREADS)
Tcl_MutexUnlock(&init_mx);
#endif
return status;
return(status);
}
|
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/*
* Copyright (C) 1997-2000 Matt Newman <[email protected]>
*
* Provides BIO layer to interface openssl to Tcl.
*/
#include "tlsInt.h"
#ifdef TCLTLS_OPENSSL_PRE_1_1_API
#define BIO_get_data(bio) ((bio)->ptr)
#define BIO_get_init(bio) ((bio)->init)
#define BIO_get_shutdown(bio) ((bio)->shutdown)
#define BIO_set_data(bio, val) (bio)->ptr = (val)
#define BIO_set_init(bio, val) (bio)->init = (val)
#define BIO_set_shutdown(bio, val) (bio)->shutdown = (val)
/* XXX: This assumes the variable being assigned to is BioMethods */
#define BIO_meth_new(type_, name_) (BIO_METHOD *)Tcl_Alloc(sizeof(BIO_METHOD)); \
memset(BioMethods, 0, sizeof(BIO_METHOD)); \
BioMethods->type = type_; \
BioMethods->name = name_;
#define BIO_meth_set_write(bio, val) (bio)->bwrite = val;
#define BIO_meth_set_read(bio, val) (bio)->bread = val;
#define BIO_meth_set_puts(bio, val) (bio)->bputs = val;
#define BIO_meth_set_ctrl(bio, val) (bio)->ctrl = val;
#define BIO_meth_set_create(bio, val) (bio)->create = val;
#define BIO_meth_set_destroy(bio, val) (bio)->destroy = val;
#endif
/*
* Forward declarations
*/
static int BioWrite _ANSI_ARGS_ ((BIO *h, CONST char *buf, int num));
static int BioRead _ANSI_ARGS_ ((BIO *h, char *buf, int num));
static int BioPuts _ANSI_ARGS_ ((BIO *h, CONST char *str));
static long BioCtrl _ANSI_ARGS_ ((BIO *h, int cmd, long arg1, void *ptr));
static int BioNew _ANSI_ARGS_ ((BIO *h));
static int BioFree _ANSI_ARGS_ ((BIO *h));
BIO *BIO_new_tcl(State *statePtr, int flags) {
BIO *
BIO_new_tcl(statePtr, flags)
State *statePtr;
int flags;
{
BIO *bio;
static BIO_METHOD BioMethods = {
.type = BIO_TYPE_TCL,
BIO *bio;
static BIO_METHOD *BioMethods = NULL;
#ifdef TCLTLS_SSL_USE_FASTPATH
Tcl_Channel parentChannel;
const Tcl_ChannelType *parentChannelType;
void *parentChannelFdIn_p, *parentChannelFdOut_p;
int parentChannelFdIn, parentChannelFdOut, parentChannelFd;
int validParentChannelFd;
int tclGetChannelHandleRet;
#endif
dprintf("BIO_new_tcl() called");
if (BioMethods == NULL) {
BioMethods = BIO_meth_new(BIO_TYPE_TCL, "tcl");
.name = "tcl",
.bwrite = BioWrite,
.bread = BioRead,
.bputs = BioPuts,
.ctrl = BioCtrl,
.create = BioNew,
.destroy = BioFree,
BIO_meth_set_write(BioMethods, BioWrite);
BIO_meth_set_read(BioMethods, BioRead);
BIO_meth_set_puts(BioMethods, BioPuts);
BIO_meth_set_ctrl(BioMethods, BioCtrl);
BIO_meth_set_create(BioMethods, BioNew);
BIO_meth_set_destroy(BioMethods, BioFree);
};
bio = BIO_new(&BioMethods);
bio->ptr = (char*)statePtr;
bio->init = 1;
bio->shutdown = flags;
return bio;
}
if (statePtr == NULL) {
dprintf("Asked to setup a NULL state, just creating the initial configuration");
return(NULL);
}
#ifdef TCLTLS_SSL_USE_FASTPATH
/*
* If the channel can be mapped back to a file descriptor, just use the file descriptor
* with the SSL library since it will likely be optimized for this.
*/
parentChannel = Tls_GetParent(statePtr, 0);
parentChannelType = Tcl_GetChannelType(parentChannel);
validParentChannelFd = 0;
if (strcmp(parentChannelType->typeName, "tcp") == 0) {
tclGetChannelHandleRet = Tcl_GetChannelHandle(parentChannel, TCL_READABLE, (ClientData) &parentChannelFdIn_p);
if (tclGetChannelHandleRet == TCL_OK) {
tclGetChannelHandleRet = Tcl_GetChannelHandle(parentChannel, TCL_WRITABLE, (ClientData) &parentChannelFdOut_p);
if (tclGetChannelHandleRet == TCL_OK) {
parentChannelFdIn = PTR2INT(parentChannelFdIn_p);
parentChannelFdOut = PTR2INT(parentChannelFdOut_p);
if (parentChannelFdIn == parentChannelFdOut) {
parentChannelFd = parentChannelFdIn;
validParentChannelFd = 1;
}
}
}
}
if (validParentChannelFd) {
dprintf("We found a shortcut, this channel is backed by a socket: %i", parentChannelFdIn);
bio = BIO_new_socket(parentChannelFd, flags);
statePtr->flags |= TLS_TCL_FASTPATH;
return(bio);
}
dprintf("Falling back to Tcl I/O for this channel");
#endif
static int
BioWrite (bio, buf, bufLen)
BIO *bio;
CONST char *buf;
bio = BIO_new(BioMethods);
BIO_set_data(bio, statePtr);
BIO_set_shutdown(bio, flags);
BIO_set_init(bio, 1);
int bufLen;
{
Tcl_Channel chan = Tls_GetParent((State*)(bio->ptr));
return(bio);
}
static int BioWrite(BIO *bio, CONST char *buf, int bufLen) {
Tcl_Channel chan;
int ret;
int tclEofChan, tclErrno;
chan = Tls_GetParent((State *) BIO_get_data(bio), 0);
dprintf("BioWrite(%p, <buf>, %d) [%p]",
(void *) bio, bufLen, (void *) chan);
dprintf("[chan=%p] BioWrite(%p, <buf>, %d)", (void *)chan, (void *) bio, bufLen);
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
ret = Tcl_WriteRaw(chan, buf, bufLen);
} else {
ret = Tcl_Write(chan, buf, bufLen);
}
tclEofChan = Tcl_Eof(chan);
tclErrno = Tcl_GetErrno();
dprintf("[%p] BioWrite(%d) -> %d [%d.%d]",
(void *) chan, bufLen, ret, Tcl_Eof(chan), Tcl_GetErrno());
dprintf("[chan=%p] BioWrite(%d) -> %d [tclEof=%d; tclErrno=%d]", (void *) chan, bufLen, ret, tclEofChan, Tcl_GetErrno());
BIO_clear_flags(bio, BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY);
if (tclEofChan && ret <= 0) {
dprintf("Got %i from Tcl_WriteRaw, and EOF is set; ret = -1", ret);
Tcl_SetErrno(ECONNRESET);
ret = -1;
if (ret == 0) {
if (!Tcl_Eof(chan)) {
BIO_set_retry_write(bio);
} else if (ret == 0) {
dprintf("Got 0 from Tcl_WriteRaw, and EOF is not set; ret = 0");
dprintf("Setting retry read flag");
BIO_set_retry_read(bio);
} else if (ret < 0) {
dprintf("We got some kind of I/O error");
if (tclErrno == EAGAIN) {
dprintf("It's EAGAIN");
ret = 0;
} else {
dprintf("It's an unepxected error: %s/%i", Tcl_ErrnoMsg(tclErrno), tclErrno);
Tcl_SetErrno(ECONNRESET);
ret = -1;
}
} else {
dprintf("Successfully wrote some data");
}
if (ret != -1) {
if (BIO_should_read(bio)) {
dprintf("Setting should retry read flag");
BIO_set_retry_read(bio);
}
}
return ret;
return(ret);
}
static int
static int BioRead(BIO *bio, char *buf, int bufLen) {
BioRead (bio, buf, bufLen)
BIO *bio;
char *buf;
int bufLen;
{
Tcl_Channel chan = Tls_GetParent((State*)bio->ptr);
Tcl_Channel chan;
int ret = 0;
int tclEofChan;
int tclEofChan, tclErrno;
chan = Tls_GetParent((State *) BIO_get_data(bio), 0);
dprintf("BioRead(%p, <buf>, %d) [%p]", (void *) bio, bufLen, (void *) chan);
dprintf("[chan=%p] BioRead(%p, <buf>, %d)", (void *) chan, (void *) bio, bufLen);
if (buf == NULL) return 0;
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
if (buf == NULL) {
return 0;
}
ret = Tcl_ReadRaw(chan, buf, bufLen);
} else {
ret = Tcl_Read(chan, buf, bufLen);
}
tclEofChan = Tcl_Eof(chan);
tclErrno = Tcl_GetErrno();
dprintf("[%p] BioRead(%d) -> %d [tclEof=%d; tclErrno=%d]",
dprintf("[chan=%p] BioRead(%d) -> %d [tclEof=%d; tclErrno=%d]", (void *) chan, bufLen, ret, tclEofChan, tclErrno);
(void *) chan, bufLen, ret, tclEofChan, Tcl_GetErrno());
BIO_clear_flags(bio, BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY);
if (tclEofChan && ret <= 0) {
dprintf("Got %i from Tcl_Read or Tcl_ReadRaw, and EOF is set; ret = -1", ret);
Tcl_SetErrno(ECONNRESET);
ret = -1;
if (ret == 0) {
} else if (ret == 0) {
if (!tclEofChan) {
dprintf("Got 0 from Tcl_Read or Tcl_ReadRaw, and EOF is not set -- ret == -1 now");
dprintf("Got 0 from Tcl_Read or Tcl_ReadRaw, and EOF is not set; ret = 0");
dprintf("Setting retry read flag");
BIO_set_retry_read(bio);
} else if (ret < 0) {
dprintf("We got some kind of I/O error");
if (tclErrno == EAGAIN) {
dprintf("It's EAGAIN");
ret = -1;
ret = 0;
} else {
dprintf("Got 0 from Tcl_Read or Tcl_ReadRaw, and EOF is set");
dprintf("It's an unepxected error: %s/%i", Tcl_ErrnoMsg(tclErrno), tclErrno);
Tcl_SetErrno(ECONNRESET);
ret = -1;
}
} else {
dprintf("Got non-zero from Tcl_Read or Tcl_ReadRaw == ret == %i", ret);
dprintf("Successfully read some data");
}
if (ret != -1) {
if (BIO_should_write(bio)) {
dprintf("Setting should retry write flag");
BIO_set_retry_write(bio);
}
}
dprintf("BioRead(%p, <buf>, %d) [%p] returning %i", (void *) bio, bufLen, (void *) chan, ret);
return ret;
return(ret);
}
static int
BioPuts (bio, str)
static int BioPuts(BIO *bio, CONST char *str) {
dprintf("BioPuts(%p, <string:%p>) called", bio, str);
BIO *bio;
CONST char *str;
{
return BioWrite(bio, str, (int) strlen(str));
}
static long
static long BioCtrl(BIO *bio, int cmd, long num, void *ptr) {
BioCtrl (bio, cmd, num, ptr)
BIO *bio;
int cmd;
long num;
Tcl_Channel chan;
long ret = 1;
void *ptr;
{
Tcl_Channel chan = Tls_GetParent((State*)bio->ptr);
chan = Tls_GetParent((State *) BIO_get_data(bio), 0);
long ret = 1;
int *ip;
dprintf("BioCtrl(%p, 0x%x, 0x%x, %p)",
dprintf("BioCtrl(%p, 0x%x, 0x%x, %p)", (void *) bio, (unsigned int) cmd, (unsigned int) num, (void *) ptr);
(void *) bio, (unsigned int) cmd, (unsigned int) num,
(void *) ptr);
switch (cmd) {
case BIO_CTRL_RESET:
dprintf("Got BIO_CTRL_RESET");
num = 0;
case BIO_C_FILE_SEEK:
dprintf("Got BIO_C_FILE_SEEK");
case BIO_C_FILE_TELL:
dprintf("Got BIO_C_FILE_TELL");
ret = 0;
break;
case BIO_CTRL_INFO:
dprintf("Got BIO_CTRL_INFO");
ret = 1;
break;
case BIO_C_SET_FD:
BioFree(bio);
dprintf("Unsupported call: BIO_C_SET_FD");
/* Sets State* */
bio->ptr = *((char **)ptr);
bio->shutdown = (int)num;
bio->init = 1;
ret = -1;
break;
case BIO_C_GET_FD:
if (bio->init) {
ip = (int *)ptr;
dprintf("Unsupported call: BIO_C_GET_FD");
if (ip != NULL) {
*ip = bio->num;
}
ret = bio->num;
} else {
ret = -1;
}
break;
case BIO_CTRL_GET_CLOSE:
dprintf("Got BIO_CTRL_CLOSE");
ret = bio->shutdown;
ret = BIO_get_shutdown(bio);
break;
case BIO_CTRL_SET_CLOSE:
dprintf("Got BIO_SET_CLOSE");
bio->shutdown = (int)num;
BIO_set_shutdown(bio, num);
break;
case BIO_CTRL_EOF:
dprintf("BIO_CTRL_EOF");
dprintf("Got BIO_CTRL_EOF");
ret = Tcl_Eof(chan);
break;
case BIO_CTRL_PENDING:
dprintf("Got BIO_CTRL_PENDING");
ret = (Tcl_InputBuffered(chan) ? 1 : 0);
ret = ((chan) ? 1 : 0);
dprintf("BIO_CTRL_PENDING(%d)", (int) ret);
break;
case BIO_CTRL_WPENDING:
dprintf("Got BIO_CTRL_WPENDING");
ret = 0;
break;
case BIO_CTRL_DUP:
dprintf("Got BIO_CTRL_DUP");
break;
case BIO_CTRL_FLUSH:
dprintf("BIO_CTRL_FLUSH");
dprintf("Got BIO_CTRL_FLUSH");
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
ret = ((Tcl_WriteRaw(chan, "", 0) >= 0) ? 1 : -1);
} else {
dprintf("BIO_CTRL_FLUSH returning value %li", ret);
ret = ((Tcl_Flush(chan) == TCL_OK) ? 1 : -1);
}
break;
default:
dprintf("Got unknown control command (%i)", cmd);
ret = 0;
ret = -2;
break;
}
return(ret);
}
static int
BioNew (bio)
static int BioNew(BIO *bio) {
dprintf("BioNew(%p) called", bio);
BIO *bio;
{
bio->init = 0;
BIO_set_init(bio, 0);
bio->num = 0;
bio->ptr = NULL;
bio->flags = 0;
BIO_set_data(bio, NULL);
BIO_clear_flags(bio, -1);
return 1;
return(1);
}
static int
static int BioFree(BIO *bio) {
BioFree (bio)
BIO *bio;
{
if (bio == NULL) {
return 0;
return(0);
}
dprintf("BioFree(%p) called", bio);
if (bio->shutdown) {
if (bio->init) {
if (BIO_get_shutdown(bio)) {
if (BIO_get_init(bio)) {
/*shutdown(bio->num, 2) */
/*closesocket(bio->num) */
}
bio->init = 0;
bio->flags = 0;
bio->num = 0;
BIO_set_init(bio, 0);
BIO_clear_flags(bio, -1);
}
return 1;
return(1);
}
|
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*/
#include "tlsInt.h"
/*
* Forward declarations
*/
static int TlsBlockModeProc _ANSI_ARGS_((ClientData instanceData,
static int TlsBlockModeProc _ANSI_ARGS_((ClientData instanceData, int mode));
int mode));
static int TlsCloseProc _ANSI_ARGS_ ((ClientData instanceData,
Tcl_Interp *interp));
static int TlsInputProc _ANSI_ARGS_((ClientData instanceData,
char *buf, int bufSize, int *errorCodePtr));
static int TlsCloseProc _ANSI_ARGS_((ClientData instanceData, Tcl_Interp *interp));
static int TlsInputProc _ANSI_ARGS_((ClientData instanceData, char *buf, int bufSize, int *errorCodePtr));
static int TlsOutputProc _ANSI_ARGS_((ClientData instanceData,
CONST char *buf, int toWrite, int *errorCodePtr));
static int TlsOutputProc _ANSI_ARGS_((ClientData instanceData, CONST char *buf, int toWrite, int *errorCodePtr));
static int TlsGetOptionProc _ANSI_ARGS_ ((ClientData instanceData,
Tcl_Interp *interp, CONST84 char *optionName,
static int TlsGetOptionProc _ANSI_ARGS_((ClientData instanceData, Tcl_Interp *interp, CONST84 char *optionName, Tcl_DString *dsPtr));
Tcl_DString *dsPtr));
static void TlsWatchProc _ANSI_ARGS_((ClientData instanceData, int mask));
static int TlsGetHandleProc _ANSI_ARGS_ ((ClientData instanceData,
int direction, ClientData *handlePtr));
static int TlsNotifyProc _ANSI_ARGS_ ((ClientData instanceData,
int mask));
static void TlsChannelHandler _ANSI_ARGS_ ((ClientData clientData,
int mask));
static int TlsGetHandleProc _ANSI_ARGS_((ClientData instanceData, int direction, ClientData *handlePtr));
static int TlsNotifyProc _ANSI_ARGS_((ClientData instanceData, int mask));
#if 0
static void TlsChannelHandler _ANSI_ARGS_((ClientData clientData, int mask));
#endif
static void TlsChannelHandlerTimer _ANSI_ARGS_ ((ClientData clientData));
/*
* This structure describes the channel type structure for TCP socket
* TLS Channel Type
* based IO. These are what the structures should look like, but we
* have to build them up at runtime to be correct depending on whether
* we are loaded into an 8.2.0-8.3.1 or 8.3.2+ Tcl interpreter.
*/
#ifdef TLS_STATIC_STRUCTURES_NOT_USED
static Tcl_ChannelType tlsChannelType2 = {
"tls", /* Type name. */
TCL_CHANNEL_VERSION_2, /* A v2 channel (8.3.2+) */
TlsCloseProc, /* Close proc. */
TlsInputProc, /* Input proc. */
TlsOutputProc, /* Output proc. */
NULL, /* Seek proc. */
NULL, /* Set option proc. */
TlsGetOptionProc, /* Get option proc. */
TlsWatchProc, /* Initialize notifier. */
TlsGetHandleProc, /* Get file handle out of channel. */
NULL, /* Close2Proc. */
TlsBlockModeProc, /* Set blocking/nonblocking mode.*/
NULL, /* FlushProc. */
TlsNotifyProc, /* handlerProc. */
};
static Tcl_ChannelType tlsChannelType1 = {
"tls", /* Type name. */
TlsBlockModeProc, /* Set blocking/nonblocking mode.*/
TlsCloseProc, /* Close proc. */
TlsInputProc, /* Input proc. */
TlsOutputProc, /* Output proc. */
NULL, /* Seek proc. */
NULL, /* Set option proc. */
TlsGetOptionProc, /* Get option proc. */
TlsWatchProc, /* Initialize notifier. */
TlsGetHandleProc, /* Get file handle out of channel. */
};
#else
static Tcl_ChannelType *tlsChannelType = NULL;
#endif
/*
*-------------------------------------------------------------------
*
* Tls_ChannelType --
*
* Return the correct TLS channel driver info
*
* Results:
* The correct channel driver for the current version of Tcl.
*
* Side effects:
* None.
*
*-------------------------------------------------------------------
*/
Tcl_ChannelType *Tls_ChannelType()
{
Tcl_ChannelType *Tls_ChannelType(void) {
unsigned int size;
/*
* Initialize the channel type if necessary
*/
if (tlsChannelType == NULL) {
/*
* Allocation of a new channeltype structure is not easy, because of
* the various verson of the core and subsequent changes to the
* structure. The main challenge is to allocate enough memory for
* odern versions even if this extyension is compiled against one
* modern versions even if this extsension is compiled against one
* of the older variant!
*
* (1) Versions before stubs (8.0.x) are simple, because they are
* supported only if the extension is compiled against exactly
* that version of the core.
*
* (2) With stubs we just determine the difference between the older
* and modern variant and overallocate accordingly if compiled
* against an older variant.
*/
unsigned int size = sizeof(Tcl_ChannelType); /* Base size */
size = sizeof(Tcl_ChannelType); /* Base size */
/*
* Size of a procedure pointer. We assume that all procedure
* pointers are of the same size, regardless of exact type
* (arguments and return values).
*
* 8.2. First version containing close2proc. Baseline.
* 8.3.2 Three additional vectors. Moved blockMode, new flush- and
* handlerProc's.
*
* => Compilation against earlier version has to overallocate three
* procedure pointers.
*/
#ifdef EMULATE_CHANNEL_VERSION_2
size += 3 * procPtrSize;
#endif
tlsChannelType = (Tcl_ChannelType *) ckalloc(size);
memset((VOID *) tlsChannelType, 0, size);
/*
* Common elements of the structure (no changes in location or name)
* close2Proc, seekProc, setOptionProc stay NULL.
*/
tlsChannelType->typeName = "tls";
tlsChannelType->closeProc = TlsCloseProc;
tlsChannelType->inputProc = TlsInputProc;
tlsChannelType->outputProc = TlsOutputProc;
tlsChannelType->getOptionProc = TlsGetOptionProc;
tlsChannelType->watchProc = TlsWatchProc;
tlsChannelType->getHandleProc = TlsGetHandleProc;
/*
* blockModeProc is a twister. We have to make some runtime-choices,
* depending on the version we compiled against.
*/
#ifdef EMULATE_CHANNEL_VERSION_2
/*
* We are compiling against an 8.3.1- core. We have to create some
* definitions for the new elements as the compiler does not know them
* by name.
*/
if (channelTypeVersion == TLS_CHANNEL_VERSION_1) {
/*
* The 'version' element of 8.3.2 is in the the place of the
* blockModeProc. For 8.2.0-8.3.1 we have to set our blockModeProc
* into this place.
*/
tlsChannelType->blockModeProc = TlsBlockModeProc;
} else /* channelTypeVersion == TLS_CHANNEL_VERSION_2 */ {
/*
* For the 8.3.2 core we present ourselves as a version 2
* driver. This means a special value in version (ex
* blockModeProc), blockModeProc in a different place and of
* course usage of the handlerProc. The last two have to
* referenced with pointer magic because they aren't defined
* otherwise.
*/
tlsChannelType->blockModeProc =
(Tcl_DriverBlockModeProc*) TLS_CHANNEL_VERSION_2;
(*((Tcl_DriverBlockModeProc**)(&(tlsChannelType->close2Proc)+1)))
= TlsBlockModeProc;
(*((TlsDriverHandlerProc**)(&(tlsChannelType->close2Proc)+3)))
= TlsNotifyProc;
}
#else
/*
* Compiled against 8.3.2+. Direct access to all elements possible. Use
* channelTypeVersion information to select the values to use.
*/
if (channelTypeVersion == TLS_CHANNEL_VERSION_1) {
/*
* The 'version' element of 8.3.2 is in the the place of the
* blockModeProc. For the original patch in 8.1.x and the firstly
* included (8.2) we have to set our blockModeProc into this
* place.
*/
tlsChannelType->version = (Tcl_ChannelTypeVersion)TlsBlockModeProc;
} else /* channelTypeVersion == TLS_CHANNEL_VERSION_2 */ {
/*
* For the 8.3.2 core we present ourselves as a version 2
* driver. This means a special value in version (ex
* blockModeProc), blockModeProc in a different place and of
* course usage of the handlerProc.
*/
tlsChannelType->version = TCL_CHANNEL_VERSION_2;
tlsChannelType->blockModeProc = TlsBlockModeProc;
tlsChannelType->handlerProc = TlsNotifyProc;
}
#endif
}
return tlsChannelType;
return(tlsChannelType);
}
/*
*-------------------------------------------------------------------
*
* TlsBlockModeProc --
*
* This procedure is invoked by the generic IO level
* to set blocking and nonblocking modes
* Results:
* 0 if successful, errno when failed.
*
* Side effects:
* Sets the device into blocking or nonblocking mode.
*
*-------------------------------------------------------------------
*/
static int
TlsBlockModeProc(ClientData instanceData, /* Socket state. */
static int TlsBlockModeProc(ClientData instanceData, int mode) {
int mode) /* The mode to set. Can be one of
* TCL_MODE_BLOCKING or
* TCL_MODE_NONBLOCKING. */
{
State *statePtr = (State *) instanceData;
if (mode == TCL_MODE_NONBLOCKING) {
statePtr->flags |= TLS_TCL_ASYNC;
} else {
statePtr->flags &= ~(TLS_TCL_ASYNC);
}
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
return 0;
return(0);
} else {
return Tcl_SetChannelOption(statePtr->interp, Tls_GetParent(statePtr),
"-blocking", (mode == TCL_MODE_NONBLOCKING) ? "0" : "1");
}
}
/*
*-------------------------------------------------------------------
*
* TlsCloseProc --
*
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* 0 if successful, the value of Tcl_GetErrno() if failed.
*
* Side effects:
* Closes the socket of the channel.
*
*-------------------------------------------------------------------
*/
static int
TlsCloseProc(ClientData instanceData, /* The socket to close. */
static int TlsCloseProc(ClientData instanceData, Tcl_Interp *interp) {
Tcl_Interp *interp) /* For error reporting - unused. */
{
State *statePtr = (State *) instanceData;
dprintf("TlsCloseProc(%p)", (void *) statePtr);
if (channelTypeVersion == TLS_CHANNEL_VERSION_1) {
Tls_Clean(statePtr);
/*
* Remove event handler to underlying channel, this could
* be because we are closing for real, or being "unstacked".
*/
Tcl_EventuallyFree((ClientData)statePtr, Tls_Free);
Tcl_DeleteChannelHandler(Tls_GetParent(statePtr),
TlsChannelHandler, (ClientData) statePtr);
}
dprintf("Returning TCL_OK");
return(TCL_OK);
/* Interp is unused. */
Tls_Clean(statePtr);
interp = interp;
Tcl_EventuallyFree((ClientData)statePtr, Tls_Free);
return TCL_OK;
}
/*
*-------------------------------------------------------------------
*
* TlsInputProc --
*
|
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*
* Side effects:
* Reads input from the input device of the channel.
*
*-------------------------------------------------------------------
*/
static int
TlsInputProc(ClientData instanceData, /* Socket state. */
static int TlsInputProc(ClientData instanceData, char *buf, int bufSize, int *errorCodePtr) {
char *buf, /* Where to store data read. */
int bufSize, /* How much space is available
* in the buffer? */
int *errorCodePtr) /* Where to store error code. */
{
State *statePtr = (State *) instanceData;
int bytesRead; /* How many bytes were read? */
int bytesRead;
int tlsConnect;
int err;
*errorCodePtr = 0;
dprintf("BIO_read(%d)", bufSize);
if (statePtr->flags & TLS_TCL_CALLBACK) {
/* don't process any bytes while verify callback is running */
dprintf("Callback is running, reading 0 bytes");
return(0);
bytesRead = 0;
goto input;
}
if (!SSL_is_init_finished(statePtr->ssl)) {
bytesRead = Tls_WaitForConnect(statePtr, errorCodePtr);
if (bytesRead <= 0) {
dprintf("Calling Tls_WaitForConnect");
tlsConnect = Tls_WaitForConnect(statePtr, errorCodePtr);
if (tlsConnect < 0) {
dprintf("Got an error (bytesRead = %i)", bytesRead);
if (*errorCodePtr == ECONNRESET) {
dprintf("Got connection reset");
/* Soft EOF */
*errorCodePtr = 0;
bytesRead = 0;
}
goto input;
}
return(0);
}
if (statePtr->flags & TLS_TCL_INIT) {
statePtr->flags &= ~(TLS_TCL_INIT);
}
/*
* We need to clear the SSL error stack now because we sometimes reach
* this function with leftover errors in the stack. If BIO_read
* returns -1 and intends EAGAIN, there is a leftover error, it will be
* misconstrued as an error, not EAGAIN.
*
* Alternatively, we may want to handle the <0 return codes from
* BIO_read specially (as advised in the RSA docs). TLS's lower level BIO
* functions play with the retry flags though, and this seems to work
* correctly. Similar fix in TlsOutputProc. - hobbs
*/
ERR_clear_error();
bytesRead = BIO_read(statePtr->bio, buf, bufSize);
dprintf("BIO_read -> %d", bytesRead);
if (bytesRead < 0) {
int err = SSL_get_error(statePtr->ssl, bytesRead);
err = SSL_get_error(statePtr->ssl, bytesRead);
if (err == SSL_ERROR_SSL) {
Tls_Error(statePtr, SSL_ERROR(statePtr->ssl, bytesRead));
*errorCodePtr = ECONNABORTED;
} else if (BIO_should_retry(statePtr->bio)) {
dprintf("RE! ");
if (BIO_should_retry(statePtr->bio)) {
dprintf("I/O failed, will retry based on EAGAIN");
*errorCodePtr = EAGAIN;
}
} else {
*errorCodePtr = Tcl_GetErrno();
if (*errorCodePtr == ECONNRESET) {
switch (err) {
case SSL_ERROR_NONE:
dprintBuffer(buf, bytesRead);
break;
case SSL_ERROR_SSL:
Tls_Error(statePtr, TCLTLS_SSL_ERROR(statePtr->ssl, bytesRead));
*errorCodePtr = ECONNABORTED;
break;
case SSL_ERROR_SYSCALL:
dprintf("I/O error reading, treating it as EOF");
/* Soft EOF */
*errorCodePtr = 0;
bytesRead = 0;
break;
}
}
}
input:
dprintf("Input(%d) -> %d [%d]", bufSize, bytesRead, *errorCodePtr);
return bytesRead;
return(bytesRead);
}
/*
*-------------------------------------------------------------------
*
* TlsOutputProc --
*
* This procedure is invoked by the generic IO level
* to write output to a SSL socket based channel.
*
* Results:
* The number of bytes written is returned. An output argument is
* set to a POSIX error code if an error occurred, or zero.
*
* Side effects:
* Writes output on the output device of the channel.
*
*-------------------------------------------------------------------
*/
static int
TlsOutputProc(ClientData instanceData, /* Socket state. */
static int TlsOutputProc(ClientData instanceData, CONST char *buf, int toWrite, int *errorCodePtr) {
CONST char *buf, /* The data buffer. */
int toWrite, /* How many bytes to write? */
int *errorCodePtr) /* Where to store error code. */
{
State *statePtr = (State *) instanceData;
int written, err;
*errorCodePtr = 0;
dprintf("BIO_write(%p, %d)", (void *) statePtr, toWrite);
dprintBuffer(buf, toWrite);
if (statePtr->flags & TLS_TCL_CALLBACK) {
/* don't process any bytes while verify callback is running */
dprintf("Don't process output while callbacks are running")
written = -1;
*errorCodePtr = EAGAIN;
goto output;
return(-1);
}
if (!SSL_is_init_finished(statePtr->ssl)) {
dprintf("Calling Tls_WaitForConnect");
written = Tls_WaitForConnect(statePtr, errorCodePtr);
if (written <= 0) {
if (written < 0) {
dprintf("Tls_WaitForConnect returned %i (err = %i)", written, *errorCodePtr);
goto output;
return(-1);
}
}
if (statePtr->flags & TLS_TCL_INIT) {
statePtr->flags &= ~(TLS_TCL_INIT);
}
if (toWrite == 0) {
dprintf("zero-write");
BIO_flush(statePtr->bio);
err = BIO_flush(statePtr->bio);
if (err <= 0) {
dprintf("Flushing failed");
*errorCodePtr = EIO;
written = 0;
return(-1);
}
goto output;
} else {
written = 0;
*errorCodePtr = 0;
return(0);
}
/*
* We need to clear the SSL error stack now because we sometimes reach
* this function with leftover errors in the stack. If BIO_write
* returns -1 and intends EAGAIN, there is a leftover error, it will be
* misconstrued as an error, not EAGAIN.
*
* Alternatively, we may want to handle the <0 return codes from
* BIO_write specially (as advised in the RSA docs). TLS's lower level
* BIO functions play with the retry flags though, and this seems to
* work correctly. Similar fix in TlsInputProc. - hobbs
*/
ERR_clear_error();
written = BIO_write(statePtr->bio, buf, toWrite);
dprintf("BIO_write(%p, %d) -> [%d]",
dprintf("BIO_write(%p, %d) -> [%d]", (void *) statePtr, toWrite, written);
(void *) statePtr, toWrite, written);
}
if (written <= 0) {
switch ((err = SSL_get_error(statePtr->ssl, written))) {
err = SSL_get_error(statePtr->ssl, written);
switch (err) {
case SSL_ERROR_NONE:
if (written < 0) {
written = 0;
}
break;
case SSL_ERROR_WANT_WRITE:
dprintf(" write W BLOCK");
break;
case SSL_ERROR_WANT_READ:
dprintf(" write R BLOCK");
break;
case SSL_ERROR_WANT_X509_LOOKUP:
dprintf(" write X BLOCK");
break;
case SSL_ERROR_ZERO_RETURN:
dprintf(" closed");
written = 0;
break;
case SSL_ERROR_SYSCALL:
*errorCodePtr = Tcl_GetErrno();
dprintf(" [%d] syscall errr: %d",
dprintf(" [%d] syscall errr: %d", written, *errorCodePtr);
written, *errorCodePtr);
written = -1;
break;
case SSL_ERROR_SSL:
Tls_Error(statePtr, SSL_ERROR(statePtr->ssl, written));
Tls_Error(statePtr, TCLTLS_SSL_ERROR(statePtr->ssl, written));
*errorCodePtr = ECONNABORTED;
written = -1;
break;
default:
dprintf(" unknown err: %d", err);
break;
}
}
output:
dprintf("Output(%d) -> %d", toWrite, written);
return written;
return(written);
}
/*
*-------------------------------------------------------------------
*
* TlsGetOptionProc --
*
|
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|
* NULL to get all options and
* their values. */
Tcl_DString *dsPtr) /* Where to store the computed value
* initialized by caller. */
{
State *statePtr = (State *) instanceData;
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
Tcl_Channel downChan = Tls_GetParent(statePtr);
Tcl_Channel downChan = Tls_GetParent(statePtr, TLS_TCL_FASTPATH);
Tcl_DriverGetOptionProc *getOptionProc;
getOptionProc = Tcl_ChannelGetOptionProc(Tcl_GetChannelType(downChan));
if (getOptionProc != NULL) {
return (*getOptionProc)(Tcl_GetChannelInstanceData(downChan),
return (*getOptionProc)(Tcl_GetChannelInstanceData(downChan), interp, optionName, dsPtr);
interp, optionName, dsPtr);
} else if (optionName == (char*) NULL) {
/*
* Request is query for all options, this is ok.
*/
return TCL_OK;
}
/*
* Request for a specific option has to fail, we don't have any.
*/
return TCL_ERROR;
} else {
#if 0
size_t len = 0;
if (optionName != (char *) NULL) {
len = strlen(optionName);
}
if ((len == 0) || ((len > 1) && (optionName[1] == 'c') &&
(strncmp(optionName, "-cipher", len) == 0))) {
if (len == 0) {
Tcl_DStringAppendElement(dsPtr, "-cipher");
}
Tcl_DStringAppendElement(dsPtr, SSL_get_cipher(statePtr->ssl));
if (len) {
return TCL_OK;
}
}
#endif
return TCL_OK;
}
}
/*
*-------------------------------------------------------------------
*
* TlsWatchProc --
*
|
︙ | | |
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static void
TlsWatchProc(ClientData instanceData, /* The socket state. */
int mask) /* Events of interest; an OR-ed
* combination of TCL_READABLE,
* TCL_WRITABLE and TCL_EXCEPTION. */
{
Tcl_Channel downChan;
State *statePtr = (State *) instanceData;
dprintf("TlsWatchProc(0x%x)", mask);
/* Pretend to be dead as long as the verify callback is running.
* Otherwise that callback could be invoked recursively. */
if (statePtr->flags & TLS_TCL_CALLBACK) { return; }
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
Tcl_Channel downChan;
if (statePtr->flags & TLS_TCL_CALLBACK) {
dprintf("Callback is on-going, doing nothing");
return;
}
dprintFlags(statePtr);
downChan = Tls_GetParent(statePtr, TLS_TCL_FASTPATH);
if (statePtr->flags & TLS_TCL_HANDSHAKE_FAILED) {
dprintf("Asked to watch a socket with a failed handshake -- nothing can happen here");
dprintf("Unregistering interest in the lower channel");
(Tcl_GetChannelType(downChan))->watchProc(Tcl_GetChannelInstanceData(downChan), 0);
statePtr->watchMask = 0;
return;
}
statePtr->watchMask = mask;
/* No channel handlers any more. We will be notified automatically
* about events on the channel below via a call to our
* 'TransformNotifyProc'. But we have to pass the interest down now.
* We are allowed to add additional 'interest' to the mask if we want
* to. But this transformation has no such interest. It just passes
* the request down, unchanged.
*/
downChan = Tls_GetParent(statePtr);
dprintf("Registering our interest in the lower channel (chan=%p)", (void *) downChan);
(Tcl_GetChannelType(downChan))
->watchProc(Tcl_GetChannelInstanceData(downChan), mask);
/*
* Management of the internal timer.
*/
if (statePtr->timer != (Tcl_TimerToken) NULL) {
dprintf("A timer was found, deleting it");
Tcl_DeleteTimerHandler(statePtr->timer);
statePtr->timer = (Tcl_TimerToken) NULL;
}
if ((mask & TCL_READABLE) && Tcl_InputBuffered(statePtr->self) > 0) {
/*
* There is interest in readable events and we actually have
* data waiting, so generate a timer to flush that.
*/
dprintf("Creating a new timer since data appears to be waiting");
statePtr->timer = Tcl_CreateTimerHandler(TLS_TCL_DELAY,
TlsChannelHandlerTimer, (ClientData) statePtr);
}
} else {
if (mask == statePtr->watchMask)
return;
if (statePtr->watchMask) {
/*
* Remove event handler to underlying channel, this could
* be because we are closing for real, or being "unstacked".
*/
Tcl_DeleteChannelHandler(Tls_GetParent(statePtr),
TlsChannelHandler, (ClientData) statePtr);
}
statePtr->watchMask = mask;
if (statePtr->watchMask) {
/*
* Setup active monitor for events on underlying Channel.
*/
Tcl_CreateChannelHandler(Tls_GetParent(statePtr),
statePtr->watchMask, TlsChannelHandler,
(ClientData) statePtr);
}
}
}
/*
*-------------------------------------------------------------------
*
* TlsGetHandleProc --
*
* Called from Tcl_GetChannelFile to retrieve o/s file handler
* from the SSL socket based channel.
*
* Results:
* The appropriate Tcl_File or NULL if not present.
*
* Side effects:
* None.
*
*-------------------------------------------------------------------
*/
static int
TlsGetHandleProc(ClientData instanceData, /* The socket state. */
static int TlsGetHandleProc(ClientData instanceData, int direction, ClientData *handlePtr) {
int direction, /* Which Tcl_File to retrieve? */
ClientData *handlePtr) /* Where to store the handle. */
{
State *statePtr = (State *) instanceData;
return Tcl_GetChannelHandle(Tls_GetParent(statePtr), direction, handlePtr);
return(Tcl_GetChannelHandle(Tls_GetParent(statePtr, TLS_TCL_FASTPATH), direction, handlePtr));
}
/*
*-------------------------------------------------------------------
*
* TlsNotifyProc --
*
* Handler called by Tcl to inform us of activity
* on the underlying channel.
*
* Results:
* None.
*
* Side effects:
* May process the incoming event by itself.
*
*-------------------------------------------------------------------
*/
static int
static int TlsNotifyProc(ClientData instanceData, int mask) {
TlsNotifyProc(instanceData, mask)
ClientData instanceData; /* The state of the notified transformation */
int mask; /* The mask of occuring events */
{
State *statePtr = (State *) instanceData;
int errorCode;
/*
* An event occured in the underlying channel. This
* transformation doesn't process such events thus returns the
* incoming mask unchanged.
*/
if (statePtr->timer != (Tcl_TimerToken) NULL) {
/*
* Delete an existing timer. It was not fired, yet we are
* here, so the channel below generated such an event and we
* don't have to. The renewal of the interest after the
* execution of channel handlers will eventually cause us to
* recreate the timer (in WatchProc).
*/
Tcl_DeleteTimerHandler(statePtr->timer);
statePtr->timer = (Tcl_TimerToken) NULL;
}
if (statePtr->flags & TLS_TCL_CALLBACK) {
dprintf("Returning 0 due to callback");
return 0;
}
dprintf("Calling Tls_WaitForConnect");
errorCode = 0;
if (Tls_WaitForConnect(statePtr, &errorCode) < 0) {
if (errorCode == EAGAIN) {
dprintf("Async flag could be set (didn't check) and errorCode == EAGAIN: Returning 0");
return 0;
}
if (statePtr->flags & TLS_TCL_INIT
&& !SSL_is_init_finished(statePtr->ssl)) {
int errorCode = 0;
if (Tls_WaitForConnect(statePtr, &errorCode) <= 0 && errorCode == EAGAIN) {
dprintf("Tls_WaitForConnect returned an error");
dprintf("Async flag could be set (didn't check) and errorCode == EAGAIN");
return 0;
}
}
dprintf("Returning %i", mask);
return mask;
return(mask);
}
#if 0
/*
*------------------------------------------------------*
*
* TlsChannelHandler --
*
* ------------------------------------------------*
* Handler called by Tcl as a result of
|
︙ | | |
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* Data is waiting, flush it out in short time
*/
statePtr->timer = Tcl_CreateTimerHandler(TLS_TCL_DELAY,
TlsChannelHandlerTimer, (ClientData) statePtr);
}
Tcl_Release( (ClientData)statePtr);
}
#endif
/*
*------------------------------------------------------*
*
* TlsChannelHandlerTimer --
*
* ------------------------------------------------*
* Called by the notifier (-> timer) to flush out
* information waiting in channel buffers.
* ------------------------------------------------*
*
* Sideeffects:
* As of 'TlsChannelHandler'.
*
* Result:
* None.
*
*------------------------------------------------------*
*/
static void
TlsChannelHandlerTimer (clientData)
static void TlsChannelHandlerTimer(ClientData clientData) {
ClientData clientData; /* Transformation to query */
{
State *statePtr = (State *) clientData;
int mask = 0;
dprintf("Called");
statePtr->timer = (Tcl_TimerToken) NULL;
if (BIO_wpending(statePtr->bio)) {
dprintf("[chan=%p] BIO writable", statePtr->self);
mask |= TCL_WRITABLE;
}
if (BIO_pending(statePtr->bio)) {
dprintf("[chan=%p] BIO readable", statePtr->self);
mask |= TCL_READABLE;
}
dprintf("Notifying ourselves");
Tcl_NotifyChannel(statePtr->self, mask);
dprintf("Returning");
return;
}
/*
*------------------------------------------------------*
*
* Tls_WaitForConnect --
*
* Sideeffects:
* Issues SSL_accept or SSL_connect
*
* Result:
* None.
*
*------------------------------------------------------*
*/
int Tls_WaitForConnect(State *statePtr, int *errorCodePtr) {
unsigned long backingError;
int
Tls_WaitForConnect( statePtr, errorCodePtr)
State *statePtr;
int *errorCodePtr; /* Where to store error code. */
{
int err;
int err, rc;
int bioShouldRetry;
dprintf("WaitForConnect(%p)", (void *) statePtr);
dprintFlags(statePtr);
if (!(statePtr->flags & TLS_TCL_INIT)) {
dprintf("Tls_WaitForConnect called on already initialized channel -- returning with immediate success");
*errorCodePtr = 0;
return(0);
}
dprintf("WaitForConnect(%p)", (void *) statePtr);
if (statePtr->flags & TLS_TCL_HANDSHAKE_FAILED) {
/*
* We choose ECONNRESET over ECONNABORTED here because some server
* side code, on the wiki for example, sets up a read handler that
* does a read and if eof closes the channel. There is no catch/try
* around the reads so exceptions will result in potentially many
* dangling channels hanging around that should have been closed.
* (Backgroun: ECONNABORTED maps to a Tcl exception and
* ECONNRESET maps to graceful EOF).
*/
*errorCodePtr = ECONNRESET;
return -1;
return(-1);
}
for (;;) {
/* Not initialized yet! */
if (statePtr->flags & TLS_TCL_SERVER) {
dprintf("Calling SSL_accept()");
err = SSL_accept(statePtr->ssl);
} else {
dprintf("Calling SSL_connect()");
err = SSL_connect(statePtr->ssl);
}
/*SSL_write(statePtr->ssl, (char*)&err, 0); HACK!!! */
if (err > 0) {
dprintf("That seems to have gone okay");
BIO_flush(statePtr->bio);
} else {
int rc = SSL_get_error(statePtr->ssl, err);
err = BIO_flush(statePtr->bio);
if (err <= 0) {
dprintf("Flushing the lower layers failed, this will probably terminate this session");
}
}
rc = SSL_get_error(statePtr->ssl, err);
dprintf("Got error: %i (rc = %i)", err, rc);
bioShouldRetry = 0;
if (err <= 0) {
if (rc == SSL_ERROR_WANT_CONNECT || rc == SSL_ERROR_WANT_ACCEPT || rc == SSL_ERROR_WANT_READ || rc == SSL_ERROR_WANT_WRITE) {
bioShouldRetry = 1;
} else if (BIO_should_retry(statePtr->bio)) {
bioShouldRetry = 1;
if (rc == SSL_ERROR_SSL) {
Tls_Error(statePtr,
} else if (rc == SSL_ERROR_SYSCALL && Tcl_GetErrno() == EAGAIN) {
bioShouldRetry = 1;
}
} else {
(char *)ERR_reason_error_string(ERR_get_error()));
statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
*errorCodePtr = ECONNABORTED;
return -1;
} else if (BIO_should_retry(statePtr->bio)) {
if (!SSL_is_init_finished(statePtr->ssl)) {
bioShouldRetry = 1;
}
}
if (bioShouldRetry) {
dprintf("The I/O did not complete -- but we should try it again");
if (statePtr->flags & TLS_TCL_ASYNC) {
dprintf("E! ");
dprintf("Returning EAGAIN so that it can be retried later");
*errorCodePtr = EAGAIN;
return -1;
return(-1);
} else {
dprintf("Doing so now");
continue;
}
}
} else if (err == 0) {
if (SSL_in_init(statePtr->ssl)) {
dprintf("SSL_in_init() is true");
dprintf("We have either completely established the session or completely failed it -- there is no more need to ever retry it though");
break;
}
*errorCodePtr = EINVAL;
switch (rc) {
case SSL_ERROR_NONE:
/* The connection is up, we are done here */
dprintf("The connection is up");
break;
case SSL_ERROR_ZERO_RETURN:
dprintf("SSL_ERROR_ZERO_RETURN: Connect returned an invalid value...")
return(-1);
case SSL_ERROR_SYSCALL:
backingError = ERR_get_error();
dprintf("I/O error occured");
if (backingError == 0 && err == 0) {
dprintf("EOF reached")
}
if (Tcl_Eof(statePtr->self)) {
dprintf("Error = 0 and EOF is set");
statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
if (rc != SSL_ERROR_SYSCALL) {
dprintf("Error from some reason other than our BIO, returning 0");
return 0;
}
}
dprintf("CR! ");
*errorCodePtr = ECONNRESET;
return -1;
return(-1);
}
if (statePtr->flags & TLS_TCL_SERVER) {
err = SSL_get_verify_result(statePtr->ssl);
case SSL_ERROR_SSL:
if (err != X509_V_OK) {
Tls_Error(statePtr,
dprintf("Got permanent fatal SSL error, aborting immediately");
Tls_Error(statePtr, (char *)ERR_reason_error_string(ERR_get_error()));
(char *)X509_verify_cert_error_string(err));
statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
*errorCodePtr = ECONNABORTED;
return -1;
return(-1);
}
}
case SSL_ERROR_WANT_CONNECT:
case SSL_ERROR_WANT_ACCEPT:
case SSL_ERROR_WANT_X509_LOOKUP:
default:
dprintf("We got a confusing reply: %i", rc);
*errorCodePtr = Tcl_GetErrno();
dprintf("ERR(%d, %d) ", rc, *errorCodePtr);
return -1;
return(-1);
}
dprintf("R0! ");
return 1;
}
}
#if 0
if (statePtr->flags & TLS_TCL_SERVER) {
dprintf("This is an TLS server, checking the certificate for the peer");
err = SSL_get_verify_result(statePtr->ssl);
Tcl_Channel
Tls_GetParent( statePtr )
State *statePtr;
{
if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
return Tcl_GetStackedChannel(statePtr->self);
} else {
if (err != X509_V_OK) {
dprintf("Invalid certificate, returning in failure");
Tls_Error(statePtr, (char *)X509_verify_cert_error_string(err));
statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
*errorCodePtr = ECONNABORTED;
return(-1);
}
}
#endif
/* The reason for the existence of this procedure is
* the fact that stacking a transform over another
* transform will leave our internal pointer unchanged,
* and thus pointing to the new transform, and not the
* Channel structure containing the saved state of this
* transform. This is the price to pay for leaving
* Tcl_Channel references intact. The only other solution
* is an extension of Tcl_ChannelType with another driver
* procedure to notify a Channel about the (un)stacking.
*
* It walks the chain of Channel structures until it
* finds the one pointing having 'ctrl' as instanceData
* and then returns the superceding channel to that. (AK)
*/
dprintf("Removing the \"TLS_TCL_INIT\" flag since we have completed the handshake");
Tcl_Channel self = statePtr->self;
statePtr->flags &= ~TLS_TCL_INIT;
Tcl_Channel next;
while ((ClientData) statePtr != Tcl_GetChannelInstanceData (self)) {
next = Tcl_GetStackedChannel (self);
if (next == (Tcl_Channel) NULL) {
/* 09/24/1999 Unstacking bug,
dprintf("Returning in success");
* found by Matt Newman <[email protected]>.
*
*errorCodePtr = 0;
* We were unable to find the channel structure for this
* transformation in the chain of stacked channel. This
* means that we are currently in the process of unstacking
* it *and* there were some bytes waiting which are now
* flushed. In this situation the pointer to the channel
* itself already refers to the parent channel we have to
* write the bytes into, so we return that.
*/
return statePtr->self;
return(0);
}
self = next;
}
Tcl_Channel Tls_GetParent(State *statePtr, int maskFlags) {
dprintf("Requested to get parent of channel %p", statePtr->self);
if ((statePtr->flags & ~maskFlags) & TLS_TCL_FASTPATH) {
dprintf("Asked to get the parent channel while we are using FastPath -- returning NULL");
return(NULL);
}
return Tcl_GetStackedChannel (self);
}
return(Tcl_GetStackedChannel(statePtr->self));
}
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