0000: 2f 2a 0a 20 2a 20 50 72 6f 76 69 64 65 73 20 43 /*. * Provides C
0010: 75 73 74 6f 6d 20 42 49 4f 20 6c 61 79 65 72 20 ustom BIO layer
0020: 74 6f 20 69 6e 74 65 72 66 61 63 65 20 4f 70 65 to interface Ope
0030: 6e 53 53 4c 20 77 69 74 68 20 54 43 4c 2e 20 54 nSSL with TCL. T
0040: 68 65 73 65 20 66 75 6e 63 74 69 6f 6e 73 0a 20 hese functions.
0050: 2a 20 64 69 72 65 63 74 6c 79 20 69 6e 74 65 72 * directly inter
0060: 66 61 63 65 20 62 65 74 77 65 65 6e 20 74 68 65 face between the
0070: 20 54 43 4c 20 49 4f 20 63 68 61 6e 6e 65 6c 20 TCL IO channel
0080: 61 6e 64 20 42 49 4f 20 62 75 66 66 65 72 73 2e and BIO buffers.
0090: 0a 20 2a 0a 20 2a 20 43 6f 70 79 72 69 67 68 74 . *. * Copyright
00a0: 20 28 43 29 20 31 39 39 37 2d 32 30 30 30 20 4d (C) 1997-2000 M
00b0: 61 74 74 20 4e 65 77 6d 61 6e 20 3c 6d 61 74 74 att Newman <matt
00c0: 40 6e 6f 76 61 64 69 67 6d 2e 63 6f 6d 3e 0a 20 @novadigm.com>.
00d0: 2a 20 43 6f 70 79 72 69 67 68 74 20 28 43 29 20 * Copyright (C)
00e0: 32 30 32 34 20 42 72 69 61 6e 20 4f 27 48 61 67 2024 Brian O'Hag
00f0: 61 6e 0a 20 2a 0a 20 2a 2f 0a 0a 2f 2a 0a 09 09 an. *. */../*...
0100: 74 6c 73 42 49 4f 2e 63 09 09 09 09 74 6c 73 49 tlsBIO.c....tlsI
0110: 4f 2e 63 0a 20 20 2b 2d 2d 2d 2d 2d 2d 2b 20 20 O.c. +------+
0120: 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
0130: 20 20 20 20 20 20 20 2b 2d 2d 2d 2d 2d 2b 20 20 +-----+
0140: 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
0150: 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
0160: 20 20 20 2b 2d 2d 2d 2d 2d 2d 2b 0a 20 20 7c 20 +------+. |
0170: 20 20 20 20 20 7c 54 63 6c 5f 57 72 69 74 65 52 |Tcl_WriteR
0180: 61 77 20 3c 2d 2d 20 42 69 6f 57 72 69 74 65 7c aw <-- BioWrite|
0190: 20 53 53 4c 20 7c 42 49 4f 5f 77 72 69 74 65 20 SSL |BIO_write
01a0: 3c 2d 2d 20 54 6c 73 4f 75 74 70 75 74 50 72 6f <-- TlsOutputPro
01b0: 63 20 3c 2d 2d 20 57 72 69 74 65 7c 20 20 20 20 c <-- Write|
01c0: 20 20 7c 0a 20 20 7c 73 6f 63 6b 65 74 7c 20 20 |. |socket|
01d0: 20 20 20 20 3c 65 6e 63 72 79 70 74 65 64 3e 20 <encrypted>
01e0: 20 20 20 20 20 20 20 7c 20 42 49 4f 20 7c 20 20 | BIO |
01f0: 20 20 20 20 20 20 20 20 20 20 3c 75 6e 65 6e 63 <unenc
0200: 72 79 70 74 65 64 3e 20 20 20 20 20 20 20 20 20 rypted>
0210: 20 20 20 7c 20 41 70 70 20 20 7c 0a 20 20 7c 20 | App |. |
0220: 20 20 20 20 20 7c 54 63 6c 5f 52 65 61 64 52 61 |Tcl_ReadRa
0230: 77 20 20 2d 2d 3e 20 20 42 69 6f 52 65 61 64 7c w --> BioRead|
0240: 20 20 20 20 20 7c 42 49 4f 5f 52 65 61 64 20 20 |BIO_Read
0250: 2d 2d 3e 20 54 6c 73 49 6e 70 75 74 50 72 6f 63 --> TlsInputProc
0260: 20 20 2d 2d 3e 20 20 52 65 61 64 7c 20 20 20 20 --> Read|
0270: 20 20 7c 0a 20 20 2b 2d 2d 2d 2d 2d 2d 2b 20 20 |. +------+
0280: 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
0290: 20 20 20 20 20 20 20 2b 2d 2d 2d 2d 2d 2b 20 20 +-----+
02a0: 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
02b0: 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20
02c0: 20 20 20 2b 2d 2d 2d 2d 2d 2d 2b 0a 2a 2f 0a 0a +------+.*/..
02d0: 23 69 6e 63 6c 75 64 65 20 22 74 6c 73 49 6e 74 #include "tlsInt
02e0: 2e 68 22 0a 23 69 6e 63 6c 75 64 65 20 3c 6f 70 .h".#include <op
02f0: 65 6e 73 73 6c 2f 62 69 6f 2e 68 3e 0a 0a 2f 2a enssl/bio.h>../*
0300: 20 44 65 66 69 6e 65 20 42 49 4f 20 6d 65 74 68 Define BIO meth
0310: 6f 64 73 20 73 74 72 75 63 74 75 72 65 20 2a 2f ods structure */
0320: 0a 73 74 61 74 69 63 20 42 49 4f 5f 4d 45 54 48 .static BIO_METH
0330: 4f 44 20 2a 42 69 6f 4d 65 74 68 6f 64 73 20 3d OD *BioMethods =
0340: 20 4e 55 4c 4c 3b 0a 0a 0a 0a 2f 2a 0a 20 2a 2d NULL;..../*. *-
0350: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0360: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0370: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0380: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0390: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 0a 20 2a 0a ------------. *.
03a0: 20 2a 20 42 49 4f 53 68 6f 75 6c 64 52 65 74 72 * BIOShouldRetr
03b0: 79 20 2d 2d 0a 20 2a 0a 20 2a 09 44 65 74 65 72 y --. *. *.Deter
03c0: 6d 69 6e 65 20 69 66 20 73 68 6f 75 6c 64 20 72 mine if should r
03d0: 65 74 72 79 20 6f 70 65 72 61 74 69 6f 6e 20 62 etry operation b
03e0: 61 73 65 64 20 6f 6e 20 65 72 72 6f 72 20 63 6f ased on error co
03f0: 64 65 2e 20 53 61 6d 65 0a 20 2a 09 63 6f 6e 64 de. Same. *.cond
0400: 69 74 69 6f 6e 73 20 61 73 20 42 49 4f 5f 73 6f itions as BIO_so
0410: 63 6b 5f 73 68 6f 75 6c 64 5f 72 65 74 72 79 20 ck_should_retry
0420: 66 75 6e 63 74 69 6f 6e 2e 0a 20 2a 0a 20 2a 20 function.. *. *
0430: 52 65 73 75 6c 74 73 3a 0a 20 2a 09 31 20 3d 20 Results:. *.1 =
0440: 72 65 74 72 79 2c 20 30 20 3d 20 6e 6f 20 72 65 retry, 0 = no re
0450: 74 72 79 0a 20 2a 0a 20 2a 20 53 69 64 65 20 65 try. *. * Side e
0460: 66 66 65 63 74 73 3a 0a 20 2a 09 4e 6f 6e 65 0a ffects:. *.None.
0470: 20 2a 0a 20 2a 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d *. *-----------
0480: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0490: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
04a0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
04b0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
04c0: 2d 2d 0a 20 2a 2f 0a 0a 73 74 61 74 69 63 20 69 --. */..static i
04d0: 6e 74 20 42 49 4f 53 68 6f 75 6c 64 52 65 74 72 nt BIOShouldRetr
04e0: 79 28 69 6e 74 20 63 6f 64 65 29 20 7b 0a 20 20 y(int code) {.
04f0: 20 20 69 6e 74 20 72 65 73 20 3d 20 30 3b 0a 20 int res = 0;.
0500: 20 20 20 64 70 72 69 6e 74 66 28 22 42 49 4f 53 dprintf("BIOS
0510: 68 6f 75 6c 64 52 65 74 72 79 20 25 64 3d 25 73 houldRetry %d=%s
0520: 22 2c 20 63 6f 64 65 2c 20 54 63 6c 5f 45 72 72 ", code, Tcl_Err
0530: 6e 6f 4d 73 67 28 63 6f 64 65 29 29 3b 0a 0a 20 noMsg(code));..
0540: 20 20 20 69 66 20 28 63 6f 64 65 20 3d 3d 20 45 if (code == E
0550: 41 47 41 49 4e 20 7c 7c 20 63 6f 64 65 20 3d 3d AGAIN || code ==
0560: 20 45 57 4f 55 4c 44 42 4c 4f 43 4b 20 7c 7c 20 EWOULDBLOCK ||
0570: 63 6f 64 65 20 3d 3d 20 45 4e 4f 54 43 4f 4e 4e code == ENOTCONN
0580: 20 7c 7c 20 63 6f 64 65 20 3d 3d 20 45 50 52 4f || code == EPRO
0590: 54 4f 20 7c 7c 0a 23 69 66 64 65 66 20 5f 57 49 TO ||.#ifdef _WI
05a0: 4e 33 32 0a 09 63 6f 64 65 20 3d 3d 20 57 53 41 N32..code == WSA
05b0: 45 57 4f 55 4c 44 42 4c 4f 43 4b 20 7c 7c 0a 23 EWOULDBLOCK ||.#
05c0: 65 6e 64 69 66 0a 09 63 6f 64 65 20 3d 3d 20 45 endif..code == E
05d0: 49 4e 54 52 20 7c 7c 20 63 6f 64 65 20 3d 3d 20 INTR || code ==
05e0: 45 49 4e 50 52 4f 47 52 45 53 53 20 7c 7c 20 63 EINPROGRESS || c
05f0: 6f 64 65 20 3d 3d 20 45 41 4c 52 45 41 44 59 29 ode == EALREADY)
0600: 20 7b 0a 09 72 65 73 20 3d 20 31 3b 0a 20 20 20 {..res = 1;.
0610: 20 7d 0a 0a 20 20 20 20 64 70 72 69 6e 74 66 28 }.. dprintf(
0620: 22 42 49 4f 53 68 6f 75 6c 64 52 65 74 72 79 20 "BIOShouldRetry
0630: 25 64 3d 25 73 2c 20 72 65 73 3d 25 64 22 2c 20 %d=%s, res=%d",
0640: 63 6f 64 65 2c 20 54 63 6c 5f 45 72 72 6e 6f 4d code, Tcl_ErrnoM
0650: 73 67 28 63 6f 64 65 29 2c 20 72 65 73 29 3b 0a sg(code), res);.
0660: 0a 20 20 20 20 72 65 74 75 72 6e 20 72 65 73 3b . return res;
0670: 0a 7d 0a 0a 2f 2a 0a 20 2a 2d 2d 2d 2d 2d 2d 2d .}../*. *-------
0680: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0690: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
06a0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
06b0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
06c0: 2d 2d 2d 2d 2d 2d 0a 20 2a 0a 20 2a 20 42 69 6f ------. *. * Bio
06d0: 57 72 69 74 65 20 2d 2d 0a 20 2a 0a 20 2a 09 54 Write --. *. *.T
06e0: 68 69 73 20 66 75 6e 63 74 69 6f 6e 20 69 73 20 his function is
06f0: 75 73 65 64 20 74 6f 20 72 65 61 64 20 65 6e 63 used to read enc
0700: 72 79 70 74 65 64 20 64 61 74 61 20 66 72 6f 6d rypted data from
0710: 20 74 68 65 20 42 49 4f 20 61 6e 64 20 77 72 69 the BIO and wri
0720: 74 65 20 69 74 0a 20 2a 09 69 6e 74 6f 20 74 68 te it. *.into th
0730: 65 20 73 6f 63 6b 65 74 2e 20 54 68 69 73 20 66 e socket. This f
0740: 75 6e 63 74 69 6f 6e 20 77 69 6c 6c 20 62 65 20 unction will be
0750: 63 61 6c 6c 65 64 20 69 6e 20 72 65 73 70 6f 6e called in respon
0760: 73 65 20 74 6f 20 74 68 65 0a 20 2a 09 61 70 70 se to the. *.app
0770: 6c 69 63 61 74 69 6f 6e 20 63 61 6c 6c 69 6e 67 lication calling
0780: 20 74 68 65 20 42 49 4f 5f 77 72 69 74 65 5f 65 the BIO_write_e
0790: 78 28 29 20 6f 72 20 42 49 4f 5f 77 72 69 74 65 x() or BIO_write
07a0: 28 29 20 66 75 6e 63 74 69 6f 6e 73 2e 0a 20 2a () functions.. *
07b0: 0a 20 2a 20 52 65 73 75 6c 74 73 3a 0a 20 2a 09 . * Results:. *.
07c0: 52 65 74 75 72 6e 73 20 74 68 65 20 6e 75 6d 62 Returns the numb
07d0: 65 72 20 6f 66 20 62 79 74 65 73 20 77 72 69 74 er of bytes writ
07e0: 74 65 6e 20 74 6f 20 63 68 61 6e 6e 65 6c 2c 20 ten to channel,
07f0: 30 20 66 6f 72 20 45 4f 46 2c 20 6f 72 20 2d 31 0 for EOF, or -1
0800: 20 66 6f 72 0a 20 2a 09 65 72 72 6f 72 2e 0a 20 for. *.error..
0810: 2a 0a 20 2a 20 53 69 64 65 20 65 66 66 65 63 74 *. * Side effect
0820: 73 3a 0a 20 2a 09 57 72 69 74 65 73 20 42 49 4f s:. *.Writes BIO
0830: 20 64 61 74 61 20 74 6f 20 63 68 61 6e 6e 65 6c data to channel
0840: 2e 0a 20 2a 0a 20 2a 2d 2d 2d 2d 2d 2d 2d 2d 2d .. *. *---------
0850: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0860: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0870: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0880: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0890: 2d 2d 2d 2d 0a 20 2a 2f 0a 0a 73 74 61 74 69 63 ----. */..static
08a0: 20 69 6e 74 20 42 69 6f 57 72 69 74 65 28 42 49 int BioWrite(BI
08b0: 4f 20 2a 62 69 6f 2c 20 63 6f 6e 73 74 20 63 68 O *bio, const ch
08c0: 61 72 20 2a 62 75 66 2c 20 69 6e 74 20 62 75 66 ar *buf, int buf
08d0: 4c 65 6e 29 20 7b 0a 20 20 20 20 54 63 6c 5f 53 Len) {. Tcl_S
08e0: 69 7a 65 20 72 65 74 3b 0a 20 20 20 20 69 6e 74 ize ret;. int
08f0: 20 69 73 5f 65 6f 66 2c 20 74 63 6c 45 72 72 6e is_eof, tclErrn
0900: 6f 3b 0a 20 20 20 20 53 74 61 74 65 20 2a 73 74 o;. State *st
0910: 61 74 65 50 74 72 20 3d 20 28 53 74 61 74 65 20 atePtr = (State
0920: 2a 29 20 42 49 4f 5f 67 65 74 5f 64 61 74 61 28 *) BIO_get_data(
0930: 62 69 6f 29 3b 0a 20 20 20 20 54 63 6c 5f 43 68 bio);. Tcl_Ch
0940: 61 6e 6e 65 6c 20 63 68 61 6e 20 3d 20 54 6c 73 annel chan = Tls
0950: 5f 47 65 74 50 61 72 65 6e 74 28 73 74 61 74 65 _GetParent(state
0960: 50 74 72 2c 20 30 29 3b 0a 0a 20 20 20 20 64 70 Ptr, 0);.. dp
0970: 72 69 6e 74 66 28 22 5b 63 68 61 6e 3d 25 70 5d rintf("[chan=%p]
0980: 20 42 69 6f 57 72 69 74 65 28 62 69 6f 3d 25 70 BioWrite(bio=%p
0990: 2c 20 62 75 66 3d 25 70 2c 20 6c 65 6e 3d 25 64 , buf=%p, len=%d
09a0: 29 22 2c 20 28 76 6f 69 64 20 2a 29 63 68 61 6e )", (void *)chan
09b0: 2c 20 28 76 6f 69 64 20 2a 29 20 62 69 6f 2c 20 , (void *) bio,
09c0: 62 75 66 2c 20 62 75 66 4c 65 6e 29 3b 0a 0a 20 buf, bufLen);..
09d0: 20 20 20 42 49 4f 5f 63 6c 65 61 72 5f 72 65 74 BIO_clear_ret
09e0: 72 79 5f 66 6c 61 67 73 28 62 69 6f 29 3b 0a 20 ry_flags(bio);.
09f0: 20 20 20 54 63 6c 5f 53 65 74 45 72 72 6e 6f 28 Tcl_SetErrno(
0a00: 30 29 3b 0a 0a 20 20 20 20 2f 2a 20 57 72 69 74 0);.. /* Writ
0a10: 65 20 64 61 74 61 20 74 6f 20 75 6e 64 65 72 6c e data to underl
0a20: 79 69 6e 67 20 63 68 61 6e 6e 65 6c 20 2a 2f 0a ying channel */.
0a30: 20 20 20 20 72 65 74 20 3d 20 54 63 6c 5f 57 72 ret = Tcl_Wr
0a40: 69 74 65 52 61 77 28 63 68 61 6e 2c 20 62 75 66 iteRaw(chan, buf
0a50: 2c 20 28 54 63 6c 5f 53 69 7a 65 29 20 62 75 66 , (Tcl_Size) buf
0a60: 4c 65 6e 29 3b 0a 20 20 20 20 69 73 5f 65 6f 66 Len);. is_eof
0a70: 20 3d 20 54 63 6c 5f 45 6f 66 28 63 68 61 6e 29 = Tcl_Eof(chan)
0a80: 3b 0a 20 20 20 20 74 63 6c 45 72 72 6e 6f 20 3d ;. tclErrno =
0a90: 20 54 63 6c 5f 47 65 74 45 72 72 6e 6f 28 29 3b Tcl_GetErrno();
0aa0: 0a 0a 20 20 20 20 64 70 72 69 6e 74 66 28 22 5b .. dprintf("[
0ab0: 63 68 61 6e 3d 25 70 5d 20 42 69 6f 57 72 69 74 chan=%p] BioWrit
0ac0: 65 28 25 64 29 20 2d 3e 20 25 22 20 54 43 4c 5f e(%d) -> %" TCL_
0ad0: 53 49 5a 45 5f 4d 4f 44 49 46 49 45 52 20 22 64 SIZE_MODIFIER "d
0ae0: 20 5b 74 63 6c 45 6f 66 3d 25 64 3b 20 74 63 6c [tclEof=%d; tcl
0af0: 45 72 72 6e 6f 3d 25 64 3a 20 25 73 5d 22 2c 0a Errno=%d: %s]",.
0b00: 09 28 76 6f 69 64 20 2a 29 20 63 68 61 6e 2c 20 .(void *) chan,
0b10: 62 75 66 4c 65 6e 2c 20 72 65 74 2c 20 69 73 5f bufLen, ret, is_
0b20: 65 6f 66 2c 20 74 63 6c 45 72 72 6e 6f 2c 20 54 eof, tclErrno, T
0b30: 63 6c 5f 45 72 72 6e 6f 4d 73 67 28 74 63 6c 45 cl_ErrnoMsg(tclE
0b40: 72 72 6e 6f 29 29 3b 0a 0a 20 20 20 20 69 66 20 rrno));.. if
0b50: 28 72 65 74 20 3e 20 30 29 20 7b 0a 09 64 70 72 (ret > 0) {..dpr
0b60: 69 6e 74 66 28 22 53 75 63 63 65 73 73 66 75 6c intf("Successful
0b70: 6c 79 20 77 72 6f 74 65 20 25 22 20 54 43 4c 5f ly wrote %" TCL_
0b80: 53 49 5a 45 5f 4d 4f 44 49 46 49 45 52 20 22 64 SIZE_MODIFIER "d
0b90: 20 62 79 74 65 73 20 6f 66 20 64 61 74 61 22 2c bytes of data",
0ba0: 20 72 65 74 29 3b 0a 0a 20 20 20 20 7d 20 65 6c ret);.. } el
0bb0: 73 65 20 69 66 20 28 72 65 74 20 3d 3d 20 30 29 se if (ret == 0)
0bc0: 20 7b 0a 09 69 66 20 28 69 73 5f 65 6f 66 29 20 {..if (is_eof)
0bd0: 7b 0a 09 20 20 20 20 64 70 72 69 6e 74 66 28 22 {.. dprintf("
0be0: 47 6f 74 20 45 4f 46 20 77 68 69 6c 65 20 77 72 Got EOF while wr
0bf0: 69 74 69 6e 67 2c 20 72 65 74 75 72 6e 69 6e 67 iting, returning
0c00: 20 61 20 43 6f 6e 6e 65 63 74 69 6f 6e 20 52 65 a Connection Re
0c10: 73 65 74 20 65 72 72 6f 72 20 77 68 69 63 68 20 set error which
0c20: 6d 61 70 73 20 74 6f 20 53 6f 66 74 20 45 4f 46 maps to Soft EOF
0c30: 22 29 3b 0a 09 20 20 20 20 54 63 6c 5f 53 65 74 ");.. Tcl_Set
0c40: 45 72 72 6e 6f 28 45 43 4f 4e 4e 52 45 53 45 54 Errno(ECONNRESET
0c50: 29 3b 0a 09 20 20 20 20 42 49 4f 5f 73 65 74 5f );.. BIO_set_
0c60: 66 6c 61 67 73 28 62 69 6f 2c 20 42 49 4f 5f 46 flags(bio, BIO_F
0c70: 4c 41 47 53 5f 49 4e 5f 45 4f 46 29 3b 0a 0a 09 LAGS_IN_EOF);...
0c80: 7d 20 65 6c 73 65 20 7b 0a 09 20 20 20 20 64 70 } else {.. dp
0c90: 72 69 6e 74 66 28 22 47 6f 74 20 30 20 66 72 6f rintf("Got 0 fro
0ca0: 6d 20 54 63 6c 5f 57 72 69 74 65 52 61 77 2c 20 m Tcl_WriteRaw,
0cb0: 61 6e 64 20 45 4f 46 20 69 73 20 6e 6f 74 20 73 and EOF is not s
0cc0: 65 74 3b 20 72 65 74 20 3d 20 30 22 29 3b 0a 09 et; ret = 0");..
0cd0: 20 20 20 20 42 49 4f 5f 73 65 74 5f 72 65 74 72 BIO_set_retr
0ce0: 79 5f 77 72 69 74 65 28 62 69 6f 29 3b 0a 0a 09 y_write(bio);...
0cf0: 20 20 20 20 64 70 72 69 6e 74 66 28 22 53 65 74 dprintf("Set
0d00: 74 69 6e 67 20 72 65 74 72 79 20 72 65 61 64 20 ting retry read
0d10: 66 6c 61 67 22 29 3b 0a 09 20 20 20 20 42 49 4f flag");.. BIO
0d20: 5f 73 65 74 5f 72 65 74 72 79 5f 72 65 61 64 28 _set_retry_read(
0d30: 62 69 6f 29 3b 0a 09 7d 0a 0a 20 20 20 20 7d 20 bio);..}.. }
0d40: 65 6c 73 65 20 7b 0a 09 64 70 72 69 6e 74 66 28 else {..dprintf(
0d50: 22 57 65 20 67 6f 74 20 73 6f 6d 65 20 6b 69 6e "We got some kin
0d60: 64 20 6f 66 20 49 2f 4f 20 65 72 72 6f 72 22 29 d of I/O error")
0d70: 3b 0a 0a 09 69 66 20 28 42 49 4f 53 68 6f 75 6c ;...if (BIOShoul
0d80: 64 52 65 74 72 79 28 74 63 6c 45 72 72 6e 6f 29 dRetry(tclErrno)
0d90: 29 20 7b 0a 09 20 20 20 20 64 70 72 69 6e 74 66 ) {.. dprintf
0da0: 28 22 54 72 79 20 61 67 61 69 6e 20 66 6f 72 3a ("Try again for:
0db0: 20 25 69 3d 25 73 22 2c 20 74 63 6c 45 72 72 6e %i=%s", tclErrn
0dc0: 6f 2c 20 54 63 6c 5f 45 72 72 6e 6f 4d 73 67 28 o, Tcl_ErrnoMsg(
0dd0: 74 63 6c 45 72 72 6e 6f 29 29 3b 0a 09 20 20 20 tclErrno));..
0de0: 20 42 49 4f 5f 73 65 74 5f 72 65 74 72 79 5f 77 BIO_set_retry_w
0df0: 72 69 74 65 28 62 69 6f 29 3b 0a 0a 09 7d 20 65 rite(bio);...} e
0e00: 6c 73 65 20 7b 0a 09 20 20 20 20 64 70 72 69 6e lse {.. dprin
0e10: 74 66 28 22 55 6e 65 78 70 65 63 74 65 64 20 65 tf("Unexpected e
0e20: 72 72 6f 72 3a 20 25 69 3d 25 73 22 2c 20 74 63 rror: %i=%s", tc
0e30: 6c 45 72 72 6e 6f 2c 20 54 63 6c 5f 45 72 72 6e lErrno, Tcl_Errn
0e40: 6f 4d 73 67 28 74 63 6c 45 72 72 6e 6f 29 29 3b oMsg(tclErrno));
0e50: 0a 09 7d 0a 20 20 20 20 7d 0a 0a 20 20 20 20 64 ..}. }.. d
0e60: 70 72 69 6e 74 66 28 22 42 69 6f 57 72 69 74 65 printf("BioWrite
0e70: 20 72 65 74 75 72 6e 69 6e 67 20 25 22 20 54 43 returning %" TC
0e80: 4c 5f 53 49 5a 45 5f 4d 4f 44 49 46 49 45 52 20 L_SIZE_MODIFIER
0e90: 22 64 22 2c 20 72 65 74 29 3b 0a 20 20 20 20 72 "d", ret);. r
0ea0: 65 74 75 72 6e 20 28 69 6e 74 29 20 72 65 74 3b eturn (int) ret;
0eb0: 0a 7d 0a 0a 2f 2a 0a 20 2a 2d 2d 2d 2d 2d 2d 2d .}../*. *-------
0ec0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0ed0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0ee0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0ef0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
0f00: 2d 2d 2d 2d 2d 2d 0a 20 2a 0a 20 2a 20 42 69 6f ------. *. * Bio
0f10: 52 65 61 64 20 2d 2d 0a 20 2a 0a 20 2a 09 54 68 Read --. *. *.Th
0f20: 69 73 20 66 75 6e 63 74 69 6f 6e 20 69 73 20 75 is function is u
0f30: 73 65 64 20 74 6f 20 72 65 61 64 20 65 6e 63 72 sed to read encr
0f40: 79 70 74 65 64 20 64 61 74 61 20 66 72 6f 6d 20 ypted data from
0f50: 74 68 65 20 73 6f 63 6b 65 74 20 61 6e 64 0a 20 the socket and.
0f60: 2a 09 77 72 69 74 65 20 69 74 20 69 6e 74 6f 20 *.write it into
0f70: 74 68 65 20 42 49 4f 2e 20 54 68 69 73 20 66 75 the BIO. This fu
0f80: 6e 63 74 69 6f 6e 20 77 69 6c 6c 20 62 65 20 63 nction will be c
0f90: 61 6c 6c 65 64 20 69 6e 20 72 65 73 70 6f 6e 73 alled in respons
0fa0: 65 20 74 6f 20 74 68 65 0a 20 2a 09 61 70 70 6c e to the. *.appl
0fb0: 69 63 61 74 69 6f 6e 20 63 61 6c 6c 69 6e 67 20 ication calling
0fc0: 74 68 65 20 42 49 4f 5f 72 65 61 64 5f 65 78 28 the BIO_read_ex(
0fd0: 29 20 6f 72 20 42 49 4f 5f 72 65 61 64 28 29 20 ) or BIO_read()
0fe0: 66 75 6e 63 74 69 6f 6e 73 2e 0a 20 2a 0a 20 2a functions.. *. *
0ff0: 20 52 65 73 75 6c 74 73 3a 0a 20 2a 09 52 65 74 Results:. *.Ret
1000: 75 72 6e 73 20 74 68 65 20 6e 75 6d 62 65 72 20 urns the number
1010: 6f 66 20 62 79 74 65 73 20 72 65 61 64 20 66 72 of bytes read fr
1020: 6f 6d 20 63 68 61 6e 6e 65 6c 2c 20 30 20 66 6f om channel, 0 fo
1030: 72 20 45 4f 46 2c 20 6f 72 20 2d 31 20 66 6f 72 r EOF, or -1 for
1040: 0a 20 2a 09 65 72 72 6f 72 2e 0a 20 2a 0a 20 2a . *.error.. *. *
1050: 20 53 69 64 65 20 65 66 66 65 63 74 73 3a 0a 20 Side effects:.
1060: 2a 09 52 65 61 64 73 20 63 68 61 6e 6e 65 6c 20 *.Reads channel
1070: 64 61 74 61 20 69 6e 74 6f 20 42 49 4f 2e 0a 20 data into BIO..
1080: 2a 0a 20 2a 20 44 61 74 61 20 69 73 20 72 65 63 *. * Data is rec
1090: 65 69 76 65 64 20 69 6e 20 77 68 6f 6c 65 20 62 eived in whole b
10a0: 6c 6f 63 6b 73 20 6b 6e 6f 77 6e 20 61 73 20 72 locks known as r
10b0: 65 63 6f 72 64 73 20 66 72 6f 6d 20 74 68 65 20 ecords from the
10c0: 70 65 65 72 2e 20 41 20 77 68 6f 6c 65 0a 20 2a peer. A whole. *
10d0: 20 72 65 63 6f 72 64 20 69 73 20 70 72 6f 63 65 record is proce
10e0: 73 73 65 64 20 28 65 2e 67 2e 20 64 65 63 72 79 ssed (e.g. decry
10f0: 70 74 65 64 29 20 69 6e 20 6f 6e 65 20 67 6f 20 pted) in one go
1100: 61 6e 64 20 69 73 20 62 75 66 66 65 72 65 64 20 and is buffered
1110: 62 79 20 4f 70 65 6e 53 53 4c 0a 20 2a 20 75 6e by OpenSSL. * un
1120: 74 69 6c 20 69 74 20 69 73 20 72 65 61 64 20 62 til it is read b
1130: 79 20 74 68 65 20 61 70 70 6c 69 63 61 74 69 6f y the applicatio
1140: 6e 20 76 69 61 20 61 20 63 61 6c 6c 20 74 6f 20 n via a call to
1150: 53 53 4c 5f 72 65 61 64 2e 20 53 53 4c 5f 70 65 SSL_read. SSL_pe
1160: 6e 64 69 6e 67 28 29 0a 20 2a 20 72 65 74 75 72 nding(). * retur
1170: 6e 73 20 74 68 65 20 6e 75 6d 62 65 72 20 6f 66 ns the number of
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1190: 65 20 62 65 65 6e 20 70 72 6f 63 65 73 73 65 64 e been processed
11a0: 2c 20 62 75 66 66 65 72 65 64 2c 20 61 6e 64 20 , buffered, and
11b0: 61 72 65 0a 20 2a 20 61 76 61 69 6c 61 62 6c 65 are. * available
11c0: 20 69 6e 73 69 64 65 20 73 73 6c 20 66 6f 72 20 inside ssl for
11d0: 69 6d 6d 65 64 69 61 74 65 20 72 65 61 64 2e 20 immediate read.
11e0: 53 53 4c 5f 68 61 73 5f 70 65 6e 64 69 6e 67 28 SSL_has_pending(
11f0: 29 20 72 65 74 75 72 6e 73 20 31 20 69 66 0a 20 ) returns 1 if.
1200: 2a 20 64 61 74 61 20 69 73 20 62 75 66 66 65 72 * data is buffer
1210: 65 64 20 28 77 68 65 74 68 65 72 20 70 72 6f 63 ed (whether proc
1220: 65 73 73 65 64 20 6f 72 20 75 6e 70 72 6f 63 65 essed or unproce
1230: 73 73 65 64 29 20 61 6e 64 20 30 20 6f 74 68 65 ssed) and 0 othe
1240: 72 77 69 73 65 2e 0a 20 2a 0a 20 2a 2d 2d 2d 2d rwise.. *. *----
1250: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1260: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1270: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1280: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1290: 2d 2d 2d 2d 2d 2d 2d 2d 2d 0a 20 2a 2f 0a 0a 73 ---------. */..s
12a0: 74 61 74 69 63 20 69 6e 74 20 42 69 6f 52 65 61 tatic int BioRea
12b0: 64 28 42 49 4f 20 2a 62 69 6f 2c 20 63 68 61 72 d(BIO *bio, char
12c0: 20 2a 62 75 66 2c 20 69 6e 74 20 62 75 66 4c 65 *buf, int bufLe
12d0: 6e 29 20 7b 0a 20 20 20 20 54 63 6c 5f 53 69 7a n) {. Tcl_Siz
12e0: 65 20 72 65 74 20 3d 20 30 3b 0a 20 20 20 20 69 e ret = 0;. i
12f0: 6e 74 20 69 73 5f 65 6f 66 2c 20 74 63 6c 45 72 nt is_eof, tclEr
1300: 72 6e 6f 2c 20 69 73 5f 62 6c 6f 63 6b 65 64 3b rno, is_blocked;
1310: 0a 20 20 20 20 53 74 61 74 65 20 2a 73 74 61 74 . State *stat
1320: 65 50 74 72 20 3d 20 28 53 74 61 74 65 20 2a 29 ePtr = (State *)
1330: 20 42 49 4f 5f 67 65 74 5f 64 61 74 61 28 62 69 BIO_get_data(bi
1340: 6f 29 3b 0a 20 20 20 20 54 63 6c 5f 43 68 61 6e o);. Tcl_Chan
1350: 6e 65 6c 20 63 68 61 6e 20 3d 20 54 6c 73 5f 47 nel chan = Tls_G
1360: 65 74 50 61 72 65 6e 74 28 73 74 61 74 65 50 74 etParent(statePt
1370: 72 2c 20 30 29 3b 0a 0a 20 20 20 20 64 70 72 69 r, 0);.. dpri
1380: 6e 74 66 28 22 5b 63 68 61 6e 3d 25 70 5d 20 42 ntf("[chan=%p] B
1390: 69 6f 52 65 61 64 28 62 69 6f 3d 25 70 2c 20 62 ioRead(bio=%p, b
13a0: 75 66 3d 25 70 2c 20 6c 65 6e 3d 25 64 29 22 2c uf=%p, len=%d)",
13b0: 20 28 76 6f 69 64 20 2a 29 20 63 68 61 6e 2c 20 (void *) chan,
13c0: 28 76 6f 69 64 20 2a 29 20 62 69 6f 2c 20 62 75 (void *) bio, bu
13d0: 66 2c 20 62 75 66 4c 65 6e 29 3b 0a 0a 20 20 20 f, bufLen);..
13e0: 20 69 66 20 28 62 75 66 20 3d 3d 20 4e 55 4c 4c if (buf == NULL
13f0: 20 7c 7c 20 62 75 66 4c 65 6e 20 3c 3d 20 30 29 || bufLen <= 0)
1400: 20 7b 0a 09 72 65 74 75 72 6e 20 30 3b 0a 20 20 {..return 0;.
1410: 20 20 7d 0a 0a 20 20 20 20 42 49 4f 5f 63 6c 65 }.. BIO_cle
1420: 61 72 5f 72 65 74 72 79 5f 66 6c 61 67 73 28 62 ar_retry_flags(b
1430: 69 6f 29 3b 0a 20 20 20 20 54 63 6c 5f 53 65 74 io);. Tcl_Set
1440: 45 72 72 6e 6f 28 30 29 3b 0a 0a 20 20 20 20 2f Errno(0);.. /
1450: 2a 20 52 65 61 64 20 64 61 74 61 20 66 72 6f 6d * Read data from
1460: 20 75 6e 64 65 72 6c 79 69 6e 67 20 63 68 61 6e underlying chan
1470: 6e 65 6c 20 2a 2f 0a 20 20 20 20 72 65 74 20 3d nel */. ret =
1480: 20 54 63 6c 5f 52 65 61 64 52 61 77 28 63 68 61 Tcl_ReadRaw(cha
1490: 6e 2c 20 62 75 66 2c 20 28 54 63 6c 5f 53 69 7a n, buf, (Tcl_Siz
14a0: 65 29 20 62 75 66 4c 65 6e 29 3b 0a 0a 20 20 20 e) bufLen);..
14b0: 20 69 73 5f 65 6f 66 20 3d 20 54 63 6c 5f 45 6f is_eof = Tcl_Eo
14c0: 66 28 63 68 61 6e 29 3b 0a 20 20 20 20 74 63 6c f(chan);. tcl
14d0: 45 72 72 6e 6f 20 3d 20 54 63 6c 5f 47 65 74 45 Errno = Tcl_GetE
14e0: 72 72 6e 6f 28 29 3b 0a 20 20 20 20 69 73 5f 62 rrno();. is_b
14f0: 6c 6f 63 6b 65 64 20 3d 20 54 63 6c 5f 49 6e 70 locked = Tcl_Inp
1500: 75 74 42 6c 6f 63 6b 65 64 28 63 68 61 6e 29 3b utBlocked(chan);
1510: 0a 0a 20 20 20 20 64 70 72 69 6e 74 66 28 22 5b .. dprintf("[
1520: 63 68 61 6e 3d 25 70 5d 20 42 69 6f 52 65 61 64 chan=%p] BioRead
1530: 28 25 64 29 20 2d 3e 20 25 22 20 54 43 4c 5f 53 (%d) -> %" TCL_S
1540: 49 5a 45 5f 4d 4f 44 49 46 49 45 52 20 22 64 20 IZE_MODIFIER "d
1550: 5b 74 63 6c 45 6f 66 3d 25 64 3b 20 62 6c 6f 63 [tclEof=%d; bloc
1560: 6b 65 64 3d 25 64 3b 20 74 63 6c 45 72 72 6e 6f ked=%d; tclErrno
1570: 3d 25 64 3a 20 25 73 5d 22 2c 0a 09 28 76 6f 69 =%d: %s]",..(voi
1580: 64 20 2a 29 20 63 68 61 6e 2c 20 62 75 66 4c 65 d *) chan, bufLe
1590: 6e 2c 20 72 65 74 2c 20 69 73 5f 65 6f 66 2c 20 n, ret, is_eof,
15a0: 69 73 5f 62 6c 6f 63 6b 65 64 2c 20 74 63 6c 45 is_blocked, tclE
15b0: 72 72 6e 6f 2c 20 54 63 6c 5f 45 72 72 6e 6f 4d rrno, Tcl_ErrnoM
15c0: 73 67 28 74 63 6c 45 72 72 6e 6f 29 29 3b 0a 0a sg(tclErrno));..
15d0: 20 20 20 20 69 66 20 28 72 65 74 20 3e 20 30 29 if (ret > 0)
15e0: 20 7b 0a 09 64 70 72 69 6e 74 66 28 22 53 75 63 {..dprintf("Suc
15f0: 63 65 73 73 66 75 6c 6c 79 20 72 65 61 64 20 25 cessfully read %
1600: 22 20 54 43 4c 5f 53 49 5a 45 5f 4d 4f 44 49 46 " TCL_SIZE_MODIF
1610: 49 45 52 20 22 64 20 62 79 74 65 73 20 6f 66 20 IER "d bytes of
1620: 64 61 74 61 22 2c 20 72 65 74 29 3b 0a 0a 20 20 data", ret);..
1630: 20 20 7d 20 65 6c 73 65 20 69 66 20 28 72 65 74 } else if (ret
1640: 20 3d 3d 20 30 29 20 7b 0a 09 69 66 20 28 69 73 == 0) {..if (is
1650: 5f 65 6f 66 29 20 7b 0a 09 20 20 20 20 64 70 72 _eof) {.. dpr
1660: 69 6e 74 66 28 22 47 6f 74 20 45 4f 46 20 77 68 intf("Got EOF wh
1670: 69 6c 65 20 72 65 61 64 69 6e 67 2c 20 72 65 74 ile reading, ret
1680: 75 72 6e 69 6e 67 20 61 20 43 6f 6e 6e 65 63 74 urning a Connect
1690: 69 6f 6e 20 52 65 73 65 74 20 65 72 72 6f 72 20 ion Reset error
16a0: 77 68 69 63 68 20 6d 61 70 73 20 74 6f 20 53 6f which maps to So
16b0: 66 74 20 45 4f 46 22 29 3b 0a 09 20 20 20 20 54 ft EOF");.. T
16c0: 63 6c 5f 53 65 74 45 72 72 6e 6f 28 45 43 4f 4e cl_SetErrno(ECON
16d0: 4e 52 45 53 45 54 29 3b 0a 09 20 20 20 20 42 49 NRESET);.. BI
16e0: 4f 5f 73 65 74 5f 66 6c 61 67 73 28 62 69 6f 2c O_set_flags(bio,
16f0: 20 42 49 4f 5f 46 4c 41 47 53 5f 49 4e 5f 45 4f BIO_FLAGS_IN_EO
1700: 46 29 3b 0a 0a 09 7d 20 65 6c 73 65 20 69 66 20 F);...} else if
1710: 28 69 73 5f 62 6c 6f 63 6b 65 64 29 20 7b 0a 09 (is_blocked) {..
1720: 20 20 20 20 64 70 72 69 6e 74 66 28 22 47 6f 74 dprintf("Got
1730: 20 69 6e 70 75 74 20 62 6c 6f 63 6b 65 64 20 66 input blocked f
1740: 72 6f 6d 20 54 63 6c 5f 52 65 61 64 52 61 77 2e rom Tcl_ReadRaw.
1750: 20 53 65 74 74 69 6e 67 20 72 65 74 72 79 20 72 Setting retry r
1760: 65 61 64 20 66 6c 61 67 22 29 3b 0a 09 20 20 20 ead flag");..
1770: 20 42 49 4f 5f 73 65 74 5f 72 65 74 72 79 5f 72 BIO_set_retry_r
1780: 65 61 64 28 62 69 6f 29 3b 0a 09 7d 0a 0a 20 20 ead(bio);..}..
1790: 20 20 7d 20 65 6c 73 65 20 7b 0a 09 64 70 72 69 } else {..dpri
17a0: 6e 74 66 28 22 57 65 20 67 6f 74 20 73 6f 6d 65 ntf("We got some
17b0: 20 6b 69 6e 64 20 6f 66 20 49 2f 4f 20 65 72 72 kind of I/O err
17c0: 6f 72 22 29 3b 0a 0a 09 69 66 20 28 42 49 4f 53 or");...if (BIOS
17d0: 68 6f 75 6c 64 52 65 74 72 79 28 74 63 6c 45 72 houldRetry(tclEr
17e0: 72 6e 6f 29 29 20 7b 0a 09 20 20 20 20 64 70 72 rno)) {.. dpr
17f0: 69 6e 74 66 28 22 54 72 79 20 61 67 61 69 6e 20 intf("Try again
1800: 66 6f 72 3a 20 25 69 3d 25 73 22 2c 20 74 63 6c for: %i=%s", tcl
1810: 45 72 72 6e 6f 2c 20 54 63 6c 5f 45 72 72 6e 6f Errno, Tcl_Errno
1820: 4d 73 67 28 74 63 6c 45 72 72 6e 6f 29 29 3b 0a Msg(tclErrno));.
1830: 09 20 20 20 20 42 49 4f 5f 73 65 74 5f 72 65 74 . BIO_set_ret
1840: 72 79 5f 72 65 61 64 28 62 69 6f 29 3b 0a 0a 09 ry_read(bio);...
1850: 7d 20 65 6c 73 65 20 7b 0a 09 20 20 20 20 64 70 } else {.. dp
1860: 72 69 6e 74 66 28 22 55 6e 65 78 70 65 63 74 65 rintf("Unexpecte
1870: 64 20 65 72 72 6f 72 3a 20 25 69 3d 25 73 22 2c d error: %i=%s",
1880: 20 74 63 6c 45 72 72 6e 6f 2c 20 54 63 6c 5f 45 tclErrno, Tcl_E
1890: 72 72 6e 6f 4d 73 67 28 74 63 6c 45 72 72 6e 6f rrnoMsg(tclErrno
18a0: 29 29 3b 0a 09 7d 0a 20 20 20 20 7d 0a 0a 20 20 ));..}. }..
18b0: 20 20 64 70 72 69 6e 74 66 28 22 42 69 6f 52 65 dprintf("BioRe
18c0: 61 64 20 72 65 74 75 72 6e 69 6e 67 20 25 22 20 ad returning %"
18d0: 54 43 4c 5f 53 49 5a 45 5f 4d 4f 44 49 46 49 45 TCL_SIZE_MODIFIE
18e0: 52 20 22 64 22 2c 20 72 65 74 29 3b 0a 20 20 20 R "d", ret);.
18f0: 20 72 65 74 75 72 6e 20 28 69 6e 74 29 20 72 65 return (int) re
1900: 74 3b 0a 7d 0a 0a 2f 2a 0a 20 2a 2d 2d 2d 2d 2d t;.}../*. *-----
1910: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1920: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1930: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1940: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1950: 2d 2d 2d 2d 2d 2d 2d 2d 0a 20 2a 0a 20 2a 20 42 --------. *. * B
1960: 69 6f 50 75 74 73 20 2d 2d 0a 20 2a 0a 20 2a 09 ioPuts --. *. *.
1970: 54 68 69 73 20 66 75 6e 63 74 69 6f 6e 20 69 73 This function is
1980: 20 75 73 65 64 20 74 6f 20 72 65 61 64 20 61 20 used to read a
1990: 4e 55 4c 4c 20 74 65 72 6d 69 6e 61 74 65 64 20 NULL terminated
19a0: 73 74 72 69 6e 67 20 66 72 6f 6d 20 74 68 65 20 string from the
19b0: 42 49 4f 20 61 6e 64 0a 20 2a 09 77 72 69 74 65 BIO and. *.write
19c0: 20 69 74 20 74 6f 20 74 68 65 20 63 68 61 6e 6e it to the chann
19d0: 65 6c 2e 20 54 68 69 73 20 66 75 6e 63 74 69 6f el. This functio
19e0: 6e 20 77 69 6c 6c 20 62 65 20 63 61 6c 6c 65 64 n will be called
19f0: 20 69 6e 20 72 65 73 70 6f 6e 73 65 20 74 6f 0a in response to.
1a00: 20 2a 09 74 68 65 20 61 70 70 6c 69 63 61 74 69 *.the applicati
1a10: 6f 6e 20 63 61 6c 6c 69 6e 67 20 74 68 65 20 42 on calling the B
1a20: 49 4f 5f 70 75 74 73 28 29 20 66 75 6e 63 74 69 IO_puts() functi
1a30: 6f 6e 2e 0a 20 2a 0a 20 2a 20 52 65 73 75 6c 74 on.. *. * Result
1a40: 73 3a 0a 20 2a 09 52 65 74 75 72 6e 73 20 74 68 s:. *.Returns th
1a50: 65 20 6e 75 6d 62 65 72 20 6f 66 20 62 79 74 65 e number of byte
1a60: 73 20 77 72 69 74 74 65 6e 20 74 6f 20 63 68 61 s written to cha
1a70: 6e 6e 65 6c 20 6f 72 20 30 20 66 6f 72 20 65 72 nnel or 0 for er
1a80: 72 6f 72 2e 0a 20 2a 0a 20 2a 20 53 69 64 65 20 ror.. *. * Side
1a90: 65 66 66 65 63 74 73 3a 0a 20 2a 09 57 72 69 74 effects:. *.Writ
1aa0: 65 73 20 64 61 74 61 20 74 6f 20 63 68 61 6e 6e es data to chann
1ab0: 65 6c 2e 0a 20 2a 0a 20 2a 2d 2d 2d 2d 2d 2d 2d el.. *. *-------
1ac0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1ad0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1ae0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1af0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1b00: 2d 2d 2d 2d 2d 2d 0a 20 2a 2f 0a 0a 73 74 61 74 ------. */..stat
1b10: 69 63 20 69 6e 74 20 42 69 6f 50 75 74 73 28 42 ic int BioPuts(B
1b20: 49 4f 20 2a 62 69 6f 2c 20 63 6f 6e 73 74 20 63 IO *bio, const c
1b30: 68 61 72 20 2a 73 74 72 29 20 7b 0a 20 20 20 20 har *str) {.
1b40: 64 70 72 69 6e 74 66 28 22 42 69 6f 50 75 74 73 dprintf("BioPuts
1b50: 28 25 70 29 20 5c 22 25 73 5c 22 22 2c 20 62 69 (%p) \"%s\"", bi
1b60: 6f 2c 20 73 74 72 29 3b 0a 0a 20 20 20 20 72 65 o, str);.. re
1b70: 74 75 72 6e 20 42 69 6f 57 72 69 74 65 28 62 69 turn BioWrite(bi
1b80: 6f 2c 20 73 74 72 2c 20 28 69 6e 74 29 20 73 74 o, str, (int) st
1b90: 72 6c 65 6e 28 73 74 72 29 29 3b 0a 7d 0a 0a 2f rlen(str));.}../
1ba0: 2a 0a 20 2a 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d *. *------------
1bb0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1bc0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1bd0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1be0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1bf0: 2d 0a 20 2a 0a 20 2a 20 42 69 6f 43 74 72 6c 20 -. *. * BioCtrl
1c00: 2d 2d 0a 20 2a 0a 20 2a 09 54 68 69 73 20 66 75 --. *. *.This fu
1c10: 6e 63 74 69 6f 6e 20 69 73 20 75 73 65 64 20 74 nction is used t
1c20: 6f 20 70 72 6f 63 65 73 73 20 63 6f 6e 74 72 6f o process contro
1c30: 6c 20 6d 65 73 73 61 67 65 73 20 69 6e 20 74 68 l messages in th
1c40: 65 20 42 49 4f 2e 20 54 68 69 73 0a 20 2a 09 66 e BIO. This. *.f
1c50: 75 6e 63 74 69 6f 6e 20 77 69 6c 6c 20 62 65 20 unction will be
1c60: 63 61 6c 6c 65 64 20 69 6e 20 72 65 73 70 6f 6e called in respon
1c70: 73 65 20 74 6f 20 74 68 65 20 61 70 70 6c 69 63 se to the applic
1c80: 61 74 69 6f 6e 20 63 61 6c 6c 69 6e 67 20 74 68 ation calling th
1c90: 65 0a 20 2a 09 42 49 4f 5f 63 74 72 6c 28 29 20 e. *.BIO_ctrl()
1ca0: 66 75 6e 63 74 69 6f 6e 2e 0a 20 2a 0a 20 2a 20 function.. *. *
1cb0: 52 65 73 75 6c 74 73 3a 0a 20 2a 09 46 75 6e 63 Results:. *.Func
1cc0: 74 69 6f 6e 20 64 65 70 65 6e 64 65 6e 74 0a 20 tion dependent.
1cd0: 2a 0a 20 2a 20 53 69 64 65 20 65 66 66 65 63 74 *. * Side effect
1ce0: 73 3a 0a 20 2a 09 46 75 6e 63 74 69 6f 6e 20 64 s:. *.Function d
1cf0: 65 70 65 6e 64 65 6e 74 0a 20 2a 0a 20 2a 2d 2d ependent. *. *--
1d00: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1d10: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1d20: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1d30: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
1d40: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 0a 20 2a 2f 0a -----------. */.
1d50: 0a 73 74 61 74 69 63 20 6c 6f 6e 67 20 42 69 6f .static long Bio
1d60: 43 74 72 6c 28 42 49 4f 20 2a 62 69 6f 2c 20 69 Ctrl(BIO *bio, i
1d70: 6e 74 20 63 6d 64 2c 20 6c 6f 6e 67 20 6e 75 6d nt cmd, long num
1d80: 2c 20 76 6f 69 64 20 2a 70 74 72 29 20 7b 0a 20 , void *ptr) {.
1d90: 20 20 20 6c 6f 6e 67 20 72 65 74 20 3d 20 31 3b long ret = 1;
1da0: 0a 20 20 20 20 53 74 61 74 65 20 2a 73 74 61 74 . State *stat
1db0: 65 50 74 72 20 3d 20 28 53 74 61 74 65 20 2a 29 ePtr = (State *)
1dc0: 20 42 49 4f 5f 67 65 74 5f 64 61 74 61 28 62 69 BIO_get_data(bi
1dd0: 6f 29 3b 0a 20 20 20 20 54 63 6c 5f 43 68 61 6e o);. Tcl_Chan
1de0: 6e 65 6c 20 63 68 61 6e 20 3d 20 54 6c 73 5f 47 nel chan = Tls_G
1df0: 65 74 50 61 72 65 6e 74 28 73 74 61 74 65 50 74 etParent(statePt
1e00: 72 2c 20 30 29 3b 0a 0a 20 20 20 20 64 70 72 69 r, 0);.. dpri
1e10: 6e 74 66 28 22 42 69 6f 43 74 72 6c 28 25 70 2c ntf("BioCtrl(%p,
1e20: 20 30 78 25 78 2c 20 30 78 25 6c 78 2c 20 25 70 0x%x, 0x%lx, %p
1e30: 29 22 2c 20 28 76 6f 69 64 20 2a 29 20 62 69 6f )", (void *) bio
1e40: 2c 20 63 6d 64 2c 20 6e 75 6d 2c 20 70 74 72 29 , cmd, num, ptr)
1e50: 3b 0a 0a 20 20 20 20 73 77 69 74 63 68 20 28 63 ;.. switch (c
1e60: 6d 64 29 20 7b 0a 09 63 61 73 65 20 42 49 4f 5f md) {..case BIO_
1e70: 43 54 52 4c 5f 52 45 53 45 54 3a 0a 09 09 2f 2a CTRL_RESET:.../*
1e80: 20 6f 70 74 20 2d 20 52 65 73 65 74 73 20 42 49 opt - Resets BI
1e90: 4f 20 74 6f 20 69 6e 69 74 69 61 6c 20 73 74 61 O to initial sta
1ea0: 74 65 2e 20 49 6d 70 6c 65 6d 65 6e 74 73 20 42 te. Implements B
1eb0: 49 4f 5f 72 65 73 65 74 2e 20 2a 2f 0a 09 09 64 IO_reset. */...d
1ec0: 70 72 69 6e 74 66 28 22 47 6f 74 20 42 49 4f 5f printf("Got BIO_
1ed0: 43 54 52 4c 5f 52 45 53 45 54 22 29 3b 0a 09 09 CTRL_RESET");...
1ee0: 2f 2a 20 52 65 74 75 72 6e 20 31 20 66 6f 72 20 /* Return 1 for
1ef0: 73 75 63 63 65 73 73 20 28 30 20 66 6f 72 20 66 success (0 for f
1f00: 69 6c 65 20 42 49 4f 73 29 20 61 6e 64 20 2d 31 ile BIOs) and -1
1f10: 20 66 6f 72 20 66 61 69 6c 75 72 65 20 2a 2f 0a for failure */.
1f20: 09 09 72 65 74 20 3d 20 30 3b 0a 09 09 62 72 65 ..ret = 0;...bre
1f30: 61 6b 3b 0a 09 63 61 73 65 20 42 49 4f 5f 43 54 ak;..case BIO_CT
1f40: 52 4c 5f 45 4f 46 3a 0a 09 09 2f 2a 20 6f 70 74 RL_EOF:.../* opt
1f50: 20 2d 20 52 65 74 75 72 6e 73 20 77 68 65 74 68 - Returns wheth
1f60: 65 72 20 45 4f 46 20 68 61 73 20 62 65 65 6e 20 er EOF has been
1f70: 72 65 61 63 68 65 64 2e 20 49 6d 70 6c 65 6d 65 reached. Impleme
1f80: 6e 74 73 20 42 49 4f 5f 65 6f 66 2e 20 2a 2f 0a nts BIO_eof. */.
1f90: 09 09 64 70 72 69 6e 74 66 28 22 47 6f 74 20 42 ..dprintf("Got B
1fa0: 49 4f 5f 43 54 52 4c 5f 45 4f 46 22 29 3b 0a 09 IO_CTRL_EOF");..
1fb0: 09 2f 2a 20 52 65 74 75 72 6e 73 20 31 20 69 66 ./* Returns 1 if
1fc0: 20 45 4f 46 20 68 61 73 20 62 65 65 6e 20 72 65 EOF has been re
1fd0: 61 63 68 65 64 2c 20 30 20 69 66 20 6e 6f 74 2c ached, 0 if not,
1fe0: 20 6f 72 20 3c 30 20 66 6f 72 20 66 61 69 6c 75 or <0 for failu
1ff0: 72 65 20 2a 2f 0a 09 09 72 65 74 20 3d 20 28 28 re */...ret = ((
2000: 63 68 61 6e 29 20 3f 20 28 54 63 6c 5f 45 6f 66 chan) ? (Tcl_Eof
2010: 28 63 68 61 6e 29 20 7c 7c 20 42 49 4f 5f 74 65 (chan) || BIO_te
2020: 73 74 5f 66 6c 61 67 73 28 62 69 6f 2c 20 42 49 st_flags(bio, BI
2030: 4f 5f 46 4c 41 47 53 5f 49 4e 5f 45 4f 46 29 29 O_FLAGS_IN_EOF))
2040: 20 3a 20 31 29 3b 0a 09 09 62 72 65 61 6b 3b 0a : 1);...break;.
2050: 09 63 61 73 65 20 42 49 4f 5f 43 54 52 4c 5f 49 .case BIO_CTRL_I
2060: 4e 46 4f 3a 0a 09 09 2f 2a 20 6f 70 74 20 2d 20 NFO:.../* opt -
2070: 65 78 74 72 61 20 69 6e 66 6f 20 6f 6e 20 42 49 extra info on BI
2080: 4f 2e 20 49 6d 70 6c 65 6d 65 6e 74 73 20 42 49 O. Implements BI
2090: 4f 5f 67 65 74 5f 6d 65 6d 5f 64 61 74 61 20 2a O_get_mem_data *
20a0: 2f 0a 09 09 64 70 72 69 6e 74 66 28 22 47 6f 74 /...dprintf("Got
20b0: 20 42 49 4f 5f 43 54 52 4c 5f 49 4e 46 4f 22 29 BIO_CTRL_INFO")
20c0: 3b 0a 09 09 72 65 74 20 3d 20 30 3b 0a 09 09 62 ;...ret = 0;...b
20d0: 72 65 61 6b 3b 0a 09 63 61 73 65 20 42 49 4f 5f reak;..case BIO_
20e0: 43 54 52 4c 5f 53 45 54 3a 0a 09 09 2f 2a 20 6d CTRL_SET:.../* m
20f0: 61 6e 20 2d 20 73 65 74 20 74 68 65 20 27 49 4f an - set the 'IO
2100: 27 20 70 61 72 61 6d 65 74 65 72 20 2a 2f 0a 09 ' parameter */..
2110: 09 64 70 72 69 6e 74 66 28 22 47 6f 74 20 42 49 .dprintf("Got BI
2120: 4f 5f 43 54 52 4c 5f 53 45 54 22 29 3b 0a 09 09 O_CTRL_SET");...
2130: 72 65 74 20 3d 20 30 3b 0a 09 09 62 72 65 61 6b ret = 0;...break
2140: 3b 0a 09 63 61 73 65 20 42 49 4f 5f 43 54 52 4c ;..case BIO_CTRL
2150: 5f 47 45 54 3a 0a 09 09 2f 2a 20 6d 61 6e 20 2d _GET:.../* man -
2160: 20 67 65 74 20 74 68 65 20 27 49 4f 27 20 70 61 get the 'IO' pa
2170: 72 61 6d 65 74 65 72 20 2a 2f 0a 09 09 64 70 72 rameter */...dpr
2180: 69 6e 74 66 28 22 47 6f 74 20 42 49 4f 5f 43 54 intf("Got BIO_CT
2190: 52 4c 5f 47 45 54 20 22 29 3b 0a 09 09 72 65 74 RL_GET ");...ret
21a0: 20 3d 20 30 3b 0a 09 09 62 72 65 61 6b 3b 0a 09 = 0;...break;..
21b0: 63 61 73 65 20 42 49 4f 5f 43 54 52 4c 5f 50 55 case BIO_CTRL_PU
21c0: 53 48 3a 0a 09 09 2f 2a 20 6f 70 74 20 2d 20 69 SH:.../* opt - i
21d0: 6e 74 65 72 6e 61 6c 2c 20 75 73 65 64 20 74 6f nternal, used to
21e0: 20 73 69 67 6e 69 66 79 20 63 68 61 6e 67 65 2e signify change.
21f0: 20 49 6d 70 6c 65 6d 65 6e 74 73 20 42 49 4f 5f Implements BIO_
2200: 70 75 73 68 20 2a 2f 0a 09 09 64 70 72 69 6e 74 push */...dprint
2210: 66 28 22 47 6f 74 20 42 49 4f 5f 43 54 52 4c 5f f("Got BIO_CTRL_
2220: 50 55 53 48 22 29 3b 0a 09 09 72 65 74 20 3d 20 PUSH");...ret =
2230: 30 3b 0a 09 09 62 72 65 61 6b 3b 0a 09 63 61 73 0;...break;..cas
2240: 65 20 42 49 4f 5f 43 54 52 4c 5f 50 4f 50 3a 0a e BIO_CTRL_POP:.
2250: 09 09 2f 2a 20 6f 70 74 20 2d 20 69 6e 74 65 72 ../* opt - inter
2260: 6e 61 6c 2c 20 75 73 65 64 20 74 6f 20 73 69 67 nal, used to sig
2270: 6e 69 66 79 20 63 68 61 6e 67 65 2e 20 49 6d 70 nify change. Imp
2280: 6c 65 6d 65 6e 74 73 20 42 49 4f 5f 70 6f 70 20 lements BIO_pop
2290: 2a 2f 0a 09 09 64 70 72 69 6e 74 66 28 22 47 6f */...dprintf("Go
22a0: 74 20 42 49 4f 5f 43 54 52 4c 5f 50 4f 50 22 29 t BIO_CTRL_POP")
22b0: 3b 0a 09 09 72 65 74 20 3d 20 30 3b 0a 09 09 62 ;...ret = 0;...b
22c0: 72 65 61 6b 3b 0a 09 63 61 73 65 20 42 49 4f 5f reak;..case BIO_
22d0: 43 54 52 4c 5f 47 45 54 5f 43 4c 4f 53 45 3a 0a CTRL_GET_CLOSE:.
22e0: 09 09 2f 2a 20 6d 61 6e 20 2d 20 47 65 74 20 74 ../* man - Get t
22f0: 68 65 20 63 6c 6f 73 65 20 6f 6e 20 42 49 4f 5f he close on BIO_
2300: 66 72 65 65 28 29 20 66 6c 61 67 20 73 65 74 20 free() flag set
2310: 62 79 20 42 49 4f 5f 43 54 52 4c 5f 53 45 54 5f by BIO_CTRL_SET_
2320: 43 4c 4f 53 45 2e 20 49 6d 70 6c 65 6d 65 6e 74 CLOSE. Implement
2330: 73 20 42 49 4f 5f 67 65 74 5f 63 6c 6f 73 65 20 s BIO_get_close
2340: 2a 2f 0a 09 09 64 70 72 69 6e 74 66 28 22 47 6f */...dprintf("Go
2350: 74 20 42 49 4f 5f 43 54 52 4c 5f 43 4c 4f 53 45 t BIO_CTRL_CLOSE
2360: 22 29 3b 0a 09 09 2f 2a 20 52 65 74 75 72 6e 73 ");.../* Returns
2370: 20 42 49 4f 5f 43 4c 4f 53 45 2c 20 42 49 4f 5f BIO_CLOSE, BIO_
2380: 4e 4f 43 4c 4f 53 45 2c 20 6f 72 20 3c 30 20 66 NOCLOSE, or <0 f
2390: 6f 72 20 66 61 69 6c 75 72 65 20 2a 2f 0a 09 09 or failure */...
23a0: 72 65 74 20 3d 20 42 49 4f 5f 67 65 74 5f 73 68 ret = BIO_get_sh
23b0: 75 74 64 6f 77 6e 28 62 69 6f 29 3b 0a 09 09 62 utdown(bio);...b
23c0: 72 65 61 6b 3b 0a 09 63 61 73 65 20 42 49 4f 5f reak;..case BIO_
23d0: 43 54 52 4c 5f 53 45 54 5f 43 4c 4f 53 45 3a 0a CTRL_SET_CLOSE:.
23e0: 09 09 2f 2a 20 6d 61 6e 20 2d 20 53 65 74 20 74 ../* man - Set t
23f0: 68 65 20 63 6c 6f 73 65 20 6f 6e 20 42 49 4f 5f he close on BIO_
2400: 66 72 65 65 28 29 20 66 6c 61 67 2e 20 49 6d 70 free() flag. Imp
2410: 6c 65 6d 65 6e 74 73 20 42 49 4f 5f 73 65 74 5f lements BIO_set_
2420: 63 6c 6f 73 65 20 2a 2f 0a 09 09 64 70 72 69 6e close */...dprin
2430: 74 66 28 22 47 6f 74 20 42 49 4f 5f 53 45 54 5f tf("Got BIO_SET_
2440: 43 4c 4f 53 45 22 29 3b 0a 09 09 42 49 4f 5f 73 CLOSE");...BIO_s
2450: 65 74 5f 73 68 75 74 64 6f 77 6e 28 62 69 6f 2c et_shutdown(bio,
2460: 20 6e 75 6d 29 3b 0a 09 09 2f 2a 20 52 65 74 75 num);.../* Retu
2470: 72 6e 73 20 31 20 6f 6e 20 73 75 63 63 65 73 73 rns 1 on success
2480: 20 6f 72 20 3c 3d 30 20 66 6f 72 20 66 61 69 6c or <=0 for fail
2490: 75 72 65 20 2a 2f 0a 09 09 72 65 74 20 3d 20 31 ure */...ret = 1
24a0: 3b 0a 09 09 62 72 65 61 6b 3b 0a 09 63 61 73 65 ;...break;..case
24b0: 20 42 49 4f 5f 43 54 52 4c 5f 50 45 4e 44 49 4e BIO_CTRL_PENDIN
24c0: 47 3a 0a 09 09 2f 2a 20 6f 70 74 20 2d 20 52 65 G:.../* opt - Re
24d0: 74 75 72 6e 20 6e 75 6d 62 65 72 20 6f 66 20 62 turn number of b
24e0: 79 74 65 73 20 69 6e 20 42 49 4f 20 77 61 69 74 ytes in BIO wait
24f0: 69 6e 67 20 74 6f 20 62 65 20 72 65 61 64 2e 20 ing to be read.
2500: 49 6d 70 6c 65 6d 65 6e 74 73 20 42 49 4f 5f 70 Implements BIO_p
2510: 65 6e 64 69 6e 67 2e 20 2a 2f 0a 09 09 64 70 72 ending. */...dpr
2520: 69 6e 74 66 28 22 47 6f 74 20 42 49 4f 5f 43 54 intf("Got BIO_CT
2530: 52 4c 5f 50 45 4e 44 49 4e 47 22 29 3b 0a 09 09 RL_PENDING");...
2540: 2f 2a 20 52 65 74 75 72 6e 20 74 68 65 20 61 6d /* Return the am
2550: 6f 75 6e 74 20 6f 66 20 70 65 6e 64 69 6e 67 20 ount of pending
2560: 64 61 74 61 20 6f 72 20 30 20 66 6f 72 20 65 72 data or 0 for er
2570: 72 6f 72 20 2a 2f 0a 09 09 72 65 74 20 3d 20 28 ror */...ret = (
2580: 28 63 68 61 6e 29 20 3f 20 54 63 6c 5f 49 6e 70 (chan) ? Tcl_Inp
2590: 75 74 42 75 66 66 65 72 65 64 28 63 68 61 6e 29 utBuffered(chan)
25a0: 20 3a 20 30 29 3b 0a 09 09 62 72 65 61 6b 3b 0a : 0);...break;.
25b0: 09 63 61 73 65 20 42 49 4f 5f 43 54 52 4c 5f 46 .case BIO_CTRL_F
25c0: 4c 55 53 48 3a 0a 09 09 2f 2a 20 6f 70 74 20 2d LUSH:.../* opt -
25d0: 20 46 6c 75 73 68 20 61 6e 79 20 62 75 66 66 65 Flush any buffe
25e0: 72 65 64 20 6f 75 74 70 75 74 2e 20 49 6d 70 6c red output. Impl
25f0: 65 6d 65 6e 74 73 20 42 49 4f 5f 66 6c 75 73 68 ements BIO_flush
2600: 2e 20 2a 2f 0a 09 09 64 70 72 69 6e 74 66 28 22 . */...dprintf("
2610: 47 6f 74 20 42 49 4f 5f 43 54 52 4c 5f 46 4c 55 Got BIO_CTRL_FLU
2620: 53 48 22 29 3b 0a 09 09 2f 2a 20 55 73 65 20 54 SH");.../* Use T
2630: 63 6c 5f 57 72 69 74 65 52 61 77 20 69 6e 73 74 cl_WriteRaw inst
2640: 65 61 64 20 6f 66 20 54 63 6c 5f 46 6c 75 73 68 ead of Tcl_Flush
2650: 20 74 6f 20 6f 70 65 72 61 74 65 20 6f 6e 20 72 to operate on r
2660: 69 67 68 74 20 63 68 61 6e 20 69 6e 20 73 74 61 ight chan in sta
2670: 63 6b 20 2a 2f 0a 09 09 2f 2a 20 52 65 74 75 72 ck */.../* Retur
2680: 6e 73 20 31 20 66 6f 72 20 73 75 63 63 65 73 73 ns 1 for success
2690: 2c 20 3c 3d 30 20 66 6f 72 20 65 72 72 6f 72 2f , <=0 for error/
26a0: 72 65 74 72 79 2e 20 2a 2f 0a 09 09 72 65 74 20 retry. */...ret
26b0: 3d 20 28 28 63 68 61 6e 29 20 26 26 20 28 54 63 = ((chan) && (Tc
26c0: 6c 5f 57 72 69 74 65 52 61 77 28 63 68 61 6e 2c l_WriteRaw(chan,
26d0: 20 22 22 2c 20 30 29 20 3e 3d 20 30 29 20 3f 20 "", 0) >= 0) ?
26e0: 31 20 3a 20 2d 31 29 3b 0a 09 09 2f 2a 72 65 74 1 : -1);.../*ret
26f0: 20 3d 20 42 69 6f 57 72 69 74 65 28 62 69 6f 2c = BioWrite(bio,
2700: 20 4e 55 4c 4c 2c 20 30 29 3b 2a 2f 0a 09 09 62 NULL, 0);*/...b
2710: 72 65 61 6b 3b 0a 09 63 61 73 65 20 42 49 4f 5f reak;..case BIO_
2720: 43 54 52 4c 5f 44 55 50 3a 0a 09 09 2f 2a 20 6d CTRL_DUP:.../* m
2730: 61 6e 20 2d 20 65 78 74 72 61 20 73 74 75 66 66 an - extra stuff
2740: 20 66 6f 72 20 27 64 75 70 65 64 27 20 42 49 4f for 'duped' BIO
2750: 2e 20 49 6d 70 6c 65 6d 65 6e 74 73 20 42 49 4f . Implements BIO
2760: 5f 64 75 70 5f 73 74 61 74 65 20 2a 2f 0a 09 09 _dup_state */...
2770: 64 70 72 69 6e 74 66 28 22 47 6f 74 20 42 49 4f dprintf("Got BIO
2780: 5f 43 54 52 4c 5f 44 55 50 22 29 3b 0a 09 09 72 _CTRL_DUP");...r
2790: 65 74 20 3d 20 31 3b 0a 09 09 62 72 65 61 6b 3b et = 1;...break;
27a0: 0a 09 63 61 73 65 20 42 49 4f 5f 43 54 52 4c 5f ..case BIO_CTRL_
27b0: 57 50 45 4e 44 49 4e 47 3a 0a 09 09 2f 2a 20 6f WPENDING:.../* o
27c0: 70 74 20 2d 20 52 65 74 75 72 6e 20 6e 75 6d 62 pt - Return numb
27d0: 65 72 20 6f 66 20 62 79 74 65 73 20 69 6e 20 42 er of bytes in B
27e0: 49 4f 20 73 74 69 6c 6c 20 74 6f 20 62 65 20 77 IO still to be w
27f0: 72 69 74 74 65 6e 2e 20 49 6d 70 6c 65 6d 65 6e ritten. Implemen
2800: 74 73 20 42 49 4f 5f 77 70 65 6e 64 69 6e 67 2e ts BIO_wpending.
2810: 20 2a 2f 0a 09 09 64 70 72 69 6e 74 66 28 22 47 */...dprintf("G
2820: 6f 74 20 42 49 4f 5f 43 54 52 4c 5f 57 50 45 4e ot BIO_CTRL_WPEN
2830: 44 49 4e 47 22 29 3b 0a 09 09 2f 2a 20 52 65 74 DING");.../* Ret
2840: 75 72 6e 20 74 68 65 20 61 6d 6f 75 6e 74 20 6f urn the amount o
2850: 66 20 70 65 6e 64 69 6e 67 20 64 61 74 61 20 6f f pending data o
2860: 72 20 30 20 66 6f 72 20 65 72 72 6f 72 20 2a 2f r 0 for error */
2870: 0a 09 09 72 65 74 20 3d 20 28 28 63 68 61 6e 29 ...ret = ((chan)
2880: 20 3f 20 54 63 6c 5f 4f 75 74 70 75 74 42 75 66 ? Tcl_OutputBuf
2890: 66 65 72 65 64 28 63 68 61 6e 29 20 3a 20 30 29 fered(chan) : 0)
28a0: 3b 0a 09 09 62 72 65 61 6b 3b 0a 09 63 61 73 65 ;...break;..case
28b0: 20 42 49 4f 5f 43 54 52 4c 5f 53 45 54 5f 43 41 BIO_CTRL_SET_CA
28c0: 4c 4c 42 41 43 4b 3a 0a 09 09 2f 2a 20 6f 70 74 LLBACK:.../* opt
28d0: 20 2d 20 53 65 74 73 20 61 6e 20 69 6e 66 6f 72 - Sets an infor
28e0: 6d 61 74 69 6f 6e 61 6c 20 63 61 6c 6c 62 61 63 mational callbac
28f0: 6b 2e 20 49 6d 70 6c 65 6d 65 6e 74 73 20 42 49 k. Implements BI
2900: 4f 5f 73 65 74 5f 69 6e 66 6f 5f 63 61 6c 6c 62 O_set_info_callb
2910: 61 63 6b 20 2a 2f 0a 09 09 72 65 74 20 3d 20 30 ack */...ret = 0
2920: 3b 0a 09 09 62 72 65 61 6b 3b 0a 09 63 61 73 65 ;...break;..case
2930: 20 42 49 4f 5f 43 54 52 4c 5f 47 45 54 5f 43 41 BIO_CTRL_GET_CA
2940: 4c 4c 42 41 43 4b 3a 0a 09 09 2f 2a 20 6f 70 74 LLBACK:.../* opt
2950: 20 2d 20 47 65 74 20 61 6e 64 20 72 65 74 75 72 - Get and retur
2960: 6e 20 74 68 65 20 69 6e 66 6f 20 63 61 6c 6c 62 n the info callb
2970: 61 63 6b 2e 20 49 6d 70 6c 65 6d 65 6e 74 73 20 ack. Implements
2980: 42 49 4f 5f 67 65 74 5f 69 6e 66 6f 5f 63 61 6c BIO_get_info_cal
2990: 6c 62 61 63 6b 20 2a 2f 0a 09 09 72 65 74 20 3d lback */...ret =
29a0: 20 30 3b 0a 09 09 62 72 65 61 6b 3b 0a 0a 09 63 0;...break;...c
29b0: 61 73 65 20 42 49 4f 5f 43 5f 46 49 4c 45 5f 53 ase BIO_C_FILE_S
29c0: 45 45 4b 3a 0a 09 09 2f 2a 20 4e 6f 74 20 75 73 EEK:.../* Not us
29d0: 65 64 20 66 6f 72 20 73 6f 63 6b 65 74 73 2e 20 ed for sockets.
29e0: 54 63 6c 5f 53 65 65 6b 20 6f 6e 6c 79 20 77 6f Tcl_Seek only wo
29f0: 72 6b 73 20 6f 6e 20 74 6f 70 20 63 68 61 6e 2e rks on top chan.
2a00: 20 49 6d 70 6c 65 6d 65 6e 74 73 20 42 49 4f 5f Implements BIO_
2a10: 73 65 65 6b 28 29 20 2a 2f 0a 09 09 64 70 72 69 seek() */...dpri
2a20: 6e 74 66 28 22 47 6f 74 20 42 49 4f 5f 43 5f 46 ntf("Got BIO_C_F
2a30: 49 4c 45 5f 53 45 45 4b 22 29 3b 0a 09 09 72 65 ILE_SEEK");...re
2a40: 74 20 3d 20 30 3b 20 2f 2a 20 52 65 74 75 72 6e t = 0; /* Return
2a50: 20 30 20 73 75 63 63 65 73 73 20 61 6e 64 20 2d 0 success and -
2a60: 31 20 66 6f 72 20 66 61 69 6c 75 72 65 20 2a 2f 1 for failure */
2a70: 0a 09 09 62 72 65 61 6b 3b 0a 09 63 61 73 65 20 ...break;..case
2a80: 42 49 4f 5f 43 5f 46 49 4c 45 5f 54 45 4c 4c 3a BIO_C_FILE_TELL:
2a90: 0a 09 09 2f 2a 20 4e 6f 74 20 75 73 65 64 20 66 .../* Not used f
2aa0: 6f 72 20 73 6f 63 6b 65 74 73 2e 20 54 63 6c 5f or sockets. Tcl_
2ab0: 54 65 6c 6c 20 6f 6e 6c 79 20 77 6f 72 6b 73 20 Tell only works
2ac0: 6f 6e 20 74 6f 70 20 63 68 61 6e 2e 20 49 6d 70 on top chan. Imp
2ad0: 6c 65 6d 65 6e 74 73 20 42 49 4f 5f 74 65 6c 6c lements BIO_tell
2ae0: 28 29 20 2a 2f 0a 09 09 64 70 72 69 6e 74 66 28 () */...dprintf(
2af0: 22 47 6f 74 20 42 49 4f 5f 43 5f 46 49 4c 45 5f "Got BIO_C_FILE_
2b00: 54 45 4c 4c 22 29 3b 0a 09 09 72 65 74 20 3d 20 TELL");...ret =
2b10: 30 3b 20 2f 2a 20 52 65 74 75 72 6e 20 30 20 73 0; /* Return 0 s
2b20: 75 63 63 65 73 73 20 61 6e 64 20 2d 31 20 66 6f uccess and -1 fo
2b30: 72 20 66 61 69 6c 75 72 65 20 2a 2f 0a 09 09 62 r failure */...b
2b40: 72 65 61 6b 3b 0a 09 63 61 73 65 20 42 49 4f 5f reak;..case BIO_
2b50: 43 5f 53 45 54 5f 46 44 3a 0a 09 09 2f 2a 20 49 C_SET_FD:.../* I
2b60: 6d 70 6c 65 6d 65 6e 74 73 20 42 49 4f 5f 73 65 mplements BIO_se
2b70: 74 5f 66 64 20 2a 2f 0a 09 09 64 70 72 69 6e 74 t_fd */...dprint
2b80: 66 28 22 55 6e 73 75 70 70 6f 72 74 65 64 20 63 f("Unsupported c
2b90: 61 6c 6c 3a 20 42 49 4f 5f 43 5f 53 45 54 5f 46 all: BIO_C_SET_F
2ba0: 44 22 29 3b 0a 09 09 72 65 74 20 3d 20 2d 31 3b D");...ret = -1;
2bb0: 0a 09 09 62 72 65 61 6b 3b 0a 09 63 61 73 65 20 ...break;..case
2bc0: 42 49 4f 5f 43 5f 47 45 54 5f 46 44 3a 0a 09 09 BIO_C_GET_FD:...
2bd0: 2f 2a 20 49 6d 70 6c 65 6d 65 6e 74 73 20 42 49 /* Implements BI
2be0: 4f 5f 67 65 74 5f 66 64 28 29 20 2a 2f 0a 09 09 O_get_fd() */...
2bf0: 64 70 72 69 6e 74 66 28 22 55 6e 73 75 70 70 6f dprintf("Unsuppo
2c00: 72 74 65 64 20 63 61 6c 6c 3a 20 42 49 4f 5f 43 rted call: BIO_C
2c10: 5f 47 45 54 5f 46 44 22 29 3b 0a 09 09 72 65 74 _GET_FD");...ret
2c20: 20 3d 20 2d 31 3b 0a 09 09 62 72 65 61 6b 3b 0a = -1;...break;.
2c30: 0a 23 69 66 20 4f 50 45 4e 53 53 4c 5f 56 45 52 .#if OPENSSL_VER
2c40: 53 49 4f 4e 5f 4e 55 4d 42 45 52 20 3e 3d 20 30 SION_NUMBER >= 0
2c50: 78 33 30 30 30 30 30 30 30 4c 20 26 26 20 64 65 x30000000L && de
2c60: 66 69 6e 65 64 28 42 49 4f 5f 43 54 52 4c 5f 47 fined(BIO_CTRL_G
2c70: 45 54 5f 4b 54 4c 53 5f 53 45 4e 44 29 0a 09 63 ET_KTLS_SEND)..c
2c80: 61 73 65 20 42 49 4f 5f 43 54 52 4c 5f 47 45 54 ase BIO_CTRL_GET
2c90: 5f 4b 54 4c 53 5f 53 45 4e 44 3a 0a 09 09 2f 2a _KTLS_SEND:.../*
2ca0: 20 49 6d 70 6c 65 6d 65 6e 74 73 20 42 49 4f 5f Implements BIO_
2cb0: 67 65 74 5f 6b 74 6c 73 5f 73 65 6e 64 20 2a 2f get_ktls_send */
2cc0: 0a 09 09 64 70 72 69 6e 74 66 28 22 47 6f 74 20 ...dprintf("Got
2cd0: 42 49 4f 5f 43 54 52 4c 5f 47 45 54 5f 4b 54 4c BIO_CTRL_GET_KTL
2ce0: 53 5f 53 45 4e 44 22 29 3b 0a 09 09 2f 2a 20 52 S_SEND");.../* R
2cf0: 65 74 75 72 6e 73 20 31 20 69 66 20 74 68 65 20 eturns 1 if the
2d00: 42 49 4f 20 69 73 20 75 73 69 6e 67 20 74 68 65 BIO is using the
2d10: 20 4b 65 72 6e 65 6c 20 54 4c 53 20 64 61 74 61 Kernel TLS data
2d20: 2d 70 61 74 68 20 66 6f 72 20 73 65 6e 64 69 6e -path for sendin
2d30: 67 2c 20 30 20 69 66 20 6e 6f 74 20 2a 2f 0a 09 g, 0 if not */..
2d40: 09 72 65 74 20 3d 20 30 3b 0a 09 09 62 72 65 61 .ret = 0;...brea
2d50: 6b 3b 0a 23 65 6e 64 69 66 0a 23 69 66 20 4f 50 k;.#endif.#if OP
2d60: 45 4e 53 53 4c 5f 56 45 52 53 49 4f 4e 5f 4e 55 ENSSL_VERSION_NU
2d70: 4d 42 45 52 20 3e 3d 20 30 78 33 30 30 30 30 30 MBER >= 0x300000
2d80: 30 30 4c 20 26 26 20 64 65 66 69 6e 65 64 28 42 00L && defined(B
2d90: 49 4f 5f 43 54 52 4c 5f 47 45 54 5f 4b 54 4c 53 IO_CTRL_GET_KTLS
2da0: 5f 52 45 43 56 29 0a 09 63 61 73 65 20 42 49 4f _RECV)..case BIO
2db0: 5f 43 54 52 4c 5f 47 45 54 5f 4b 54 4c 53 5f 52 _CTRL_GET_KTLS_R
2dc0: 45 43 56 3a 0a 09 09 2f 2a 20 49 6d 70 6c 65 6d ECV:.../* Implem
2dd0: 65 6e 74 73 20 42 49 4f 5f 67 65 74 5f 6b 74 6c ents BIO_get_ktl
2de0: 73 5f 72 65 63 76 20 2a 2f 0a 09 09 64 70 72 69 s_recv */...dpri
2df0: 6e 74 66 28 22 47 6f 74 20 42 49 4f 5f 43 54 52 ntf("Got BIO_CTR
2e00: 4c 5f 47 45 54 5f 4b 54 4c 53 5f 52 45 43 56 22 L_GET_KTLS_RECV"
2e10: 29 3b 0a 09 09 2f 2a 20 52 65 74 75 72 6e 73 20 );.../* Returns
2e20: 31 20 69 66 20 74 68 65 20 42 49 4f 20 69 73 20 1 if the BIO is
2e30: 75 73 69 6e 67 20 74 68 65 20 4b 65 72 6e 65 6c using the Kernel
2e40: 20 54 4c 53 20 64 61 74 61 2d 70 61 74 68 20 66 TLS data-path f
2e50: 6f 72 20 72 65 63 65 69 76 69 6e 67 2c 20 30 20 or receiving, 0
2e60: 69 66 20 6e 6f 74 20 2a 2f 0a 09 09 72 65 74 20 if not */...ret
2e70: 3d 20 30 3b 0a 09 09 62 72 65 61 6b 3b 0a 23 65 = 0;...break;.#e
2e80: 6e 64 69 66 0a 09 64 65 66 61 75 6c 74 3a 0a 09 ndif..default:..
2e90: 09 64 70 72 69 6e 74 66 28 22 47 6f 74 20 75 6e .dprintf("Got un
2ea0: 6b 6e 6f 77 6e 20 63 6f 6e 74 72 6f 6c 20 63 6f known control co
2eb0: 6d 6d 61 6e 64 20 28 25 69 29 22 2c 20 63 6d 64 mmand (%i)", cmd
2ec0: 29 3b 0a 09 09 72 65 74 20 3d 20 30 3b 0a 09 09 );...ret = 0;...
2ed0: 62 72 65 61 6b 3b 0a 20 20 20 20 7d 0a 20 20 20 break;. }.
2ee0: 20 64 70 72 69 6e 74 66 28 22 42 69 6f 43 74 72 dprintf("BioCtr
2ef0: 6c 20 72 65 74 75 72 6e 20 76 61 6c 75 65 20 25 l return value %
2f00: 6c 69 22 2c 20 72 65 74 29 3b 0a 20 20 20 20 72 li", ret);. r
2f10: 65 74 75 72 6e 20 72 65 74 3b 0a 7d 0a 0a 2f 2a eturn ret;.}../*
2f20: 0a 20 2a 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d . *-------------
2f30: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
2f40: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
2f50: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
2f60: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
2f70: 0a 20 2a 0a 20 2a 20 42 69 6f 4e 65 77 20 2d 2d . *. * BioNew --
2f80: 0a 20 2a 0a 20 2a 09 54 68 69 73 20 66 75 6e 63 . *. *.This func
2f90: 74 69 6f 6e 20 69 73 20 75 73 65 64 20 74 6f 20 tion is used to
2fa0: 63 72 65 61 74 65 20 61 20 6e 65 77 20 69 6e 73 create a new ins
2fb0: 74 61 6e 63 65 20 6f 66 20 74 68 65 20 42 49 4f tance of the BIO
2fc0: 2e 20 54 68 69 73 0a 20 2a 09 66 75 6e 63 74 69 . This. *.functi
2fd0: 6f 6e 20 77 69 6c 6c 20 62 65 20 63 61 6c 6c 65 on will be calle
2fe0: 64 20 69 6e 20 72 65 73 70 6f 6e 73 65 20 74 6f d in response to
2ff0: 20 74 68 65 20 61 70 70 6c 69 63 61 74 69 6f 6e the application
3000: 20 63 61 6c 6c 69 6e 67 20 74 68 65 0a 20 2a 09 calling the. *.
3010: 42 49 4f 5f 6e 65 77 28 29 20 66 75 6e 63 74 69 BIO_new() functi
3020: 6f 6e 2e 0a 20 2a 0a 20 2a 20 52 65 73 75 6c 74 on.. *. * Result
3030: 73 3a 0a 20 2a 09 52 65 74 75 72 6e 73 20 62 6f s:. *.Returns bo
3040: 6f 6c 65 61 6e 20 73 75 63 63 65 73 73 20 72 65 olean success re
3050: 73 75 6c 74 20 28 31 3d 73 75 63 63 65 73 73 2c sult (1=success,
3060: 20 30 3d 66 61 69 6c 75 72 65 29 0a 20 2a 0a 20 0=failure). *.
3070: 2a 20 53 69 64 65 20 65 66 66 65 63 74 73 3a 0a * Side effects:.
3080: 20 2a 09 49 6e 69 74 69 61 6c 69 7a 65 73 20 42 *.Initializes B
3090: 49 4f 20 73 74 72 75 63 74 75 72 65 2e 0a 20 2a IO structure.. *
30a0: 0a 20 2a 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d . *-------------
30b0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
30c0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
30d0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
30e0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
30f0: 0a 20 2a 2f 0a 0a 73 74 61 74 69 63 20 69 6e 74 . */..static int
3100: 20 42 69 6f 4e 65 77 28 42 49 4f 20 2a 62 69 6f BioNew(BIO *bio
3110: 29 20 7b 0a 20 20 20 20 64 70 72 69 6e 74 66 28 ) {. dprintf(
3120: 22 42 69 6f 4e 65 77 28 25 70 29 20 63 61 6c 6c "BioNew(%p) call
3130: 65 64 22 2c 20 62 69 6f 29 3b 0a 0a 20 20 20 20 ed", bio);..
3140: 69 66 20 28 62 69 6f 20 3d 3d 20 4e 55 4c 4c 29 if (bio == NULL)
3150: 20 7b 0a 09 72 65 74 75 72 6e 20 30 3b 0a 20 20 {..return 0;.
3160: 20 20 7d 0a 0a 20 20 20 20 42 49 4f 5f 73 65 74 }.. BIO_set
3170: 5f 64 61 74 61 28 62 69 6f 2c 20 4e 55 4c 4c 29 _data(bio, NULL)
3180: 3b 0a 20 20 20 20 42 49 4f 5f 73 65 74 5f 69 6e ;. BIO_set_in
3190: 69 74 28 62 69 6f 2c 20 30 29 3b 0a 20 20 20 20 it(bio, 0);.
31a0: 42 49 4f 5f 63 6c 65 61 72 5f 66 6c 61 67 73 28 BIO_clear_flags(
31b0: 62 69 6f 2c 20 2d 31 29 3b 0a 20 20 20 20 72 65 bio, -1);. re
31c0: 74 75 72 6e 20 31 3b 0a 7d 0a 0a 2f 2a 0a 20 2a turn 1;.}../*. *
31d0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
31e0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
31f0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3200: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3210: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 0a 20 2a -------------. *
3220: 0a 20 2a 20 42 69 6f 46 72 65 65 20 2d 2d 0a 20 . * BioFree --.
3230: 2a 0a 20 2a 09 54 68 69 73 20 66 75 6e 63 74 69 *. *.This functi
3240: 6f 6e 20 69 73 20 75 73 65 64 20 74 6f 20 64 65 on is used to de
3250: 73 74 72 6f 79 20 61 6e 20 69 6e 73 74 61 6e 63 stroy an instanc
3260: 65 20 6f 66 20 61 20 42 49 4f 2e 20 54 68 69 73 e of a BIO. This
3270: 20 66 75 6e 63 74 69 6f 6e 0a 20 2a 09 77 69 6c function. *.wil
3280: 6c 20 62 65 20 63 61 6c 6c 65 64 20 69 6e 20 72 l be called in r
3290: 65 73 70 6f 6e 73 65 20 74 6f 20 74 68 65 20 61 esponse to the a
32a0: 70 70 6c 69 63 61 74 69 6f 6e 20 63 61 6c 6c 69 pplication calli
32b0: 6e 67 20 74 68 65 20 42 49 4f 5f 66 72 65 65 28 ng the BIO_free(
32c0: 29 0a 20 2a 09 66 75 6e 63 74 69 6f 6e 2e 0a 20 ). *.function..
32d0: 2a 0a 20 2a 20 52 65 73 75 6c 74 73 3a 0a 20 2a *. * Results:. *
32e0: 09 52 65 74 75 72 6e 73 20 62 6f 6f 6c 65 61 6e .Returns boolean
32f0: 20 73 75 63 63 65 73 73 20 72 65 73 75 6c 74 0a success result.
3300: 20 2a 0a 20 2a 20 53 69 64 65 20 65 66 66 65 63 *. * Side effec
3310: 74 73 3a 0a 20 2a 09 49 6e 69 74 69 61 6c 69 7a ts:. *.Initializ
3320: 65 73 20 42 49 4f 20 73 74 72 75 63 74 75 72 65 es BIO structure
3330: 2e 0a 20 2a 0a 20 2a 2d 2d 2d 2d 2d 2d 2d 2d 2d .. *. *---------
3340: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3350: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3360: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3370: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3380: 2d 2d 2d 2d 0a 20 2a 2f 0a 0a 73 74 61 74 69 63 ----. */..static
3390: 20 69 6e 74 20 42 69 6f 46 72 65 65 28 42 49 4f int BioFree(BIO
33a0: 20 2a 62 69 6f 29 20 7b 0a 20 20 20 20 64 70 72 *bio) {. dpr
33b0: 69 6e 74 66 28 22 42 69 6f 46 72 65 65 28 25 70 intf("BioFree(%p
33c0: 29 20 63 61 6c 6c 65 64 22 2c 20 62 69 6f 29 3b ) called", bio);
33d0: 0a 0a 20 20 20 20 69 66 20 28 62 69 6f 20 3d 3d .. if (bio ==
33e0: 20 4e 55 4c 4c 29 20 7b 0a 09 72 65 74 75 72 6e NULL) {..return
33f0: 20 30 3b 0a 20 20 20 20 7d 0a 0a 20 20 20 20 2f 0;. }.. /
3400: 2a 20 43 6c 65 61 72 20 66 6c 61 67 73 20 69 66 * Clear flags if
3410: 20 73 65 74 20 74 6f 20 42 49 4f 5f 43 4c 4f 53 set to BIO_CLOS
3420: 45 20 28 63 6c 6f 73 65 20 49 2f 4f 20 73 74 72 E (close I/O str
3430: 65 61 6d 20 77 68 65 6e 20 74 68 65 20 42 49 4f eam when the BIO
3440: 20 69 73 20 66 72 65 65 64 29 20 2a 2f 0a 20 20 is freed) */.
3450: 20 20 69 66 20 28 42 49 4f 5f 67 65 74 5f 73 68 if (BIO_get_sh
3460: 75 74 64 6f 77 6e 28 62 69 6f 29 29 20 7b 0a 09 utdown(bio)) {..
3470: 42 49 4f 5f 73 65 74 5f 64 61 74 61 28 62 69 6f BIO_set_data(bio
3480: 2c 20 4e 55 4c 4c 29 3b 0a 09 42 49 4f 5f 73 65 , NULL);..BIO_se
3490: 74 5f 69 6e 69 74 28 62 69 6f 2c 20 30 29 3b 0a t_init(bio, 0);.
34a0: 09 42 49 4f 5f 63 6c 65 61 72 5f 66 6c 61 67 73 .BIO_clear_flags
34b0: 28 62 69 6f 2c 20 2d 31 29 3b 0a 20 20 20 20 7d (bio, -1);. }
34c0: 0a 20 20 20 20 72 65 74 75 72 6e 20 31 3b 0a 7d . return 1;.}
34d0: 0a 0a 2f 2a 0a 20 2a 2d 2d 2d 2d 2d 2d 2d 2d 2d ../*. *---------
34e0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
34f0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3500: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3510: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3520: 2d 2d 2d 2d 0a 20 2a 0a 20 2a 20 42 49 4f 5f 6e ----. *. * BIO_n
3530: 65 77 5f 74 63 6c 20 2d 2d 0a 20 2a 0a 20 2a 09 ew_tcl --. *. *.
3540: 54 68 69 73 20 66 75 6e 63 74 69 6f 6e 20 69 73 This function is
3550: 20 75 73 65 64 20 74 6f 20 69 6e 69 74 69 61 6c used to initial
3560: 69 7a 65 20 74 68 65 20 42 49 4f 20 6d 65 74 68 ize the BIO meth
3570: 6f 64 20 68 61 6e 64 6c 65 72 73 2e 0a 20 2a 0a od handlers.. *.
3580: 20 2a 20 52 65 73 75 6c 74 73 3a 0a 20 2a 09 52 * Results:. *.R
3590: 65 74 75 72 6e 73 20 70 6f 69 6e 74 65 72 20 74 eturns pointer t
35a0: 6f 20 42 49 4f 20 6f 72 20 4e 55 4c 4c 20 66 6f o BIO or NULL fo
35b0: 72 20 66 61 69 6c 75 72 65 0a 20 2a 0a 20 2a 20 r failure. *. *
35c0: 53 69 64 65 20 65 66 66 65 63 74 73 3a 0a 20 2a Side effects:. *
35d0: 09 49 6e 69 74 69 61 6c 69 7a 65 73 20 42 49 4f .Initializes BIO
35e0: 20 4d 65 74 68 6f 64 73 2e 0a 20 2a 0a 20 2a 2d Methods.. *. *-
35f0: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3600: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3610: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3620: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
3630: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 0a 20 2a 2f ------------. */
3640: 0a 0a 42 49 4f 20 2a 42 49 4f 5f 6e 65 77 5f 74 ..BIO *BIO_new_t
3650: 63 6c 28 53 74 61 74 65 20 2a 73 74 61 74 65 50 cl(State *stateP
3660: 74 72 2c 20 69 6e 74 20 66 6c 61 67 73 29 20 7b tr, int flags) {
3670: 0a 20 20 20 20 42 49 4f 20 2a 62 69 6f 3b 0a 23 . BIO *bio;.#
3680: 69 66 64 65 66 20 54 43 4c 54 4c 53 5f 53 53 4c ifdef TCLTLS_SSL
3690: 5f 55 53 45 5f 46 41 53 54 50 41 54 48 0a 20 20 _USE_FASTPATH.
36a0: 20 20 54 63 6c 5f 43 68 61 6e 6e 65 6c 20 70 61 Tcl_Channel pa
36b0: 72 65 6e 74 43 68 61 6e 6e 65 6c 3b 0a 20 20 20 rentChannel;.
36c0: 20 63 6f 6e 73 74 20 54 63 6c 5f 43 68 61 6e 6e const Tcl_Chann
36d0: 65 6c 54 79 70 65 20 2a 70 61 72 65 6e 74 43 68 elType *parentCh
36e0: 61 6e 6e 65 6c 54 79 70 65 3b 0a 0a 20 20 20 20 annelType;..
36f0: 69 6e 74 20 70 61 72 65 6e 74 43 68 61 6e 6e 65 int parentChanne
3700: 6c 46 64 49 6e 2c 20 70 61 72 65 6e 74 43 68 61 lFdIn, parentCha
3710: 6e 6e 65 6c 46 64 4f 75 74 2c 20 70 61 72 65 6e nnelFdOut, paren
3720: 74 43 68 61 6e 6e 65 6c 46 64 3b 0a 20 20 20 20 tChannelFd;.
3730: 69 6e 74 20 76 61 6c 69 64 50 61 72 65 6e 74 43 int validParentC
3740: 68 61 6e 6e 65 6c 46 64 3b 0a 23 65 6e 64 69 66 hannelFd;.#endif
3750: 0a 0a 20 20 20 20 64 70 72 69 6e 74 66 28 22 42 .. dprintf("B
3760: 49 4f 5f 6e 65 77 5f 74 63 6c 28 29 20 63 61 6c IO_new_tcl() cal
3770: 6c 65 64 22 29 3b 0a 0a 20 20 20 20 2f 2a 20 43 led");.. /* C
3780: 72 65 61 74 65 20 63 75 73 74 6f 6d 20 42 49 4f reate custom BIO
3790: 20 6d 65 74 68 6f 64 20 2a 2f 0a 20 20 20 20 69 method */. i
37a0: 66 20 28 42 69 6f 4d 65 74 68 6f 64 73 20 3d 3d f (BioMethods ==
37b0: 20 4e 55 4c 4c 29 20 7b 0a 09 2f 2a 20 42 49 4f NULL) {../* BIO
37c0: 5f 54 59 50 45 5f 42 49 4f 20 3d 20 28 31 39 7c _TYPE_BIO = (19|
37d0: 42 49 4f 5f 54 59 50 45 5f 53 4f 55 52 43 45 5f BIO_TYPE_SOURCE_
37e0: 53 49 4e 4b 29 20 2d 2d 20 68 61 6c 66 20 61 20 SINK) -- half a
37f0: 42 49 4f 20 70 61 69 72 20 2a 2f 0a 09 2f 2a 20 BIO pair */../*
3800: 42 49 4f 5f 54 59 50 45 5f 43 4f 4e 4e 45 43 54 BIO_TYPE_CONNECT
3810: 20 3d 20 28 31 32 7c 42 49 4f 5f 54 59 50 45 5f = (12|BIO_TYPE_
3820: 53 4f 55 52 43 45 5f 53 49 4e 4b 7c 42 49 4f 5f SOURCE_SINK|BIO_
3830: 54 59 50 45 5f 44 45 53 43 52 49 50 54 4f 52 29 TYPE_DESCRIPTOR)
3840: 20 2a 2f 0a 09 2f 2a 20 42 49 4f 5f 54 59 50 45 */../* BIO_TYPE
3850: 5f 41 43 43 45 50 54 20 20 3d 20 28 31 33 7c 42 _ACCEPT = (13|B
3860: 49 4f 5f 54 59 50 45 5f 53 4f 55 52 43 45 5f 53 IO_TYPE_SOURCE_S
3870: 49 4e 4b 7c 42 49 4f 5f 54 59 50 45 5f 44 45 53 INK|BIO_TYPE_DES
3880: 43 52 49 50 54 4f 52 29 20 2a 2f 0a 09 42 69 6f CRIPTOR) */..Bio
3890: 4d 65 74 68 6f 64 73 20 3d 20 42 49 4f 5f 6d 65 Methods = BIO_me
38a0: 74 68 5f 6e 65 77 28 42 49 4f 5f 54 59 50 45 5f th_new(BIO_TYPE_
38b0: 42 49 4f 2c 20 22 74 63 6c 22 29 3b 0a 09 69 66 BIO, "tcl");..if
38c0: 20 28 42 69 6f 4d 65 74 68 6f 64 73 20 3d 3d 20 (BioMethods ==
38d0: 4e 55 4c 4c 29 20 7b 0a 09 20 20 20 20 64 70 72 NULL) {.. dpr
38e0: 69 6e 74 66 28 22 4d 65 6d 6f 72 79 20 61 6c 6c intf("Memory all
38f0: 6f 63 61 74 69 6f 6e 20 65 72 72 6f 72 22 29 3b ocation error");
3900: 0a 0a 09 20 20 20 20 72 65 74 75 72 6e 20 4e 55 ... return NU
3910: 4c 4c 3b 0a 09 7d 0a 09 2f 2a 20 4e 6f 74 20 75 LL;..}../* Not u
3920: 73 65 64 20 42 49 4f 5f 6d 65 74 68 5f 73 65 74 sed BIO_meth_set
3930: 5f 77 72 69 74 65 5f 65 78 20 2a 2f 0a 09 42 49 _write_ex */..BI
3940: 4f 5f 6d 65 74 68 5f 73 65 74 5f 77 72 69 74 65 O_meth_set_write
3950: 28 42 69 6f 4d 65 74 68 6f 64 73 2c 20 42 69 6f (BioMethods, Bio
3960: 57 72 69 74 65 29 3b 0a 09 2f 2a 20 4e 6f 74 20 Write);../* Not
3970: 75 73 65 64 20 42 49 4f 5f 6d 65 74 68 5f 73 65 used BIO_meth_se
3980: 74 5f 72 65 61 64 5f 65 78 20 2a 2f 0a 09 42 49 t_read_ex */..BI
3990: 4f 5f 6d 65 74 68 5f 73 65 74 5f 72 65 61 64 28 O_meth_set_read(
39a0: 42 69 6f 4d 65 74 68 6f 64 73 2c 20 42 69 6f 52 BioMethods, BioR
39b0: 65 61 64 29 3b 0a 09 42 49 4f 5f 6d 65 74 68 5f ead);..BIO_meth_
39c0: 73 65 74 5f 70 75 74 73 28 42 69 6f 4d 65 74 68 set_puts(BioMeth
39d0: 6f 64 73 2c 20 42 69 6f 50 75 74 73 29 3b 0a 09 ods, BioPuts);..
39e0: 42 49 4f 5f 6d 65 74 68 5f 73 65 74 5f 63 74 72 BIO_meth_set_ctr
39f0: 6c 28 42 69 6f 4d 65 74 68 6f 64 73 2c 20 42 69 l(BioMethods, Bi
3a00: 6f 43 74 72 6c 29 3b 0a 09 42 49 4f 5f 6d 65 74 oCtrl);..BIO_met
3a10: 68 5f 73 65 74 5f 63 72 65 61 74 65 28 42 69 6f h_set_create(Bio
3a20: 4d 65 74 68 6f 64 73 2c 20 42 69 6f 4e 65 77 29 Methods, BioNew)
3a30: 3b 0a 09 42 49 4f 5f 6d 65 74 68 5f 73 65 74 5f ;..BIO_meth_set_
3a40: 64 65 73 74 72 6f 79 28 42 69 6f 4d 65 74 68 6f destroy(BioMetho
3a50: 64 73 2c 20 42 69 6f 46 72 65 65 29 3b 0a 20 20 ds, BioFree);.
3a60: 20 20 7d 0a 0a 20 20 20 20 69 66 20 28 73 74 61 }.. if (sta
3a70: 74 65 50 74 72 20 3d 3d 20 4e 55 4c 4c 29 20 7b tePtr == NULL) {
3a80: 0a 09 64 70 72 69 6e 74 66 28 22 41 73 6b 65 64 ..dprintf("Asked
3a90: 20 74 6f 20 73 65 74 75 70 20 61 20 4e 55 4c 4c to setup a NULL
3aa0: 20 73 74 61 74 65 2c 20 6a 75 73 74 20 63 72 65 state, just cre
3ab0: 61 74 69 6e 67 20 74 68 65 20 69 6e 69 74 69 61 ating the initia
3ac0: 6c 20 63 6f 6e 66 69 67 75 72 61 74 69 6f 6e 22 l configuration"
3ad0: 29 3b 0a 0a 09 72 65 74 75 72 6e 20 4e 55 4c 4c );...return NULL
3ae0: 3b 0a 20 20 20 20 7d 0a 0a 23 69 66 64 65 66 20 ;. }..#ifdef
3af0: 54 43 4c 54 4c 53 5f 53 53 4c 5f 55 53 45 5f 46 TCLTLS_SSL_USE_F
3b00: 41 53 54 50 41 54 48 0a 20 20 20 20 2f 2a 0a 20 ASTPATH. /*.
3b10: 20 20 20 20 2a 20 49 66 20 74 68 65 20 63 68 61 * If the cha
3b20: 6e 6e 65 6c 20 63 61 6e 20 62 65 20 6d 61 70 70 nnel can be mapp
3b30: 65 64 20 62 61 63 6b 20 74 6f 20 61 20 66 69 6c ed back to a fil
3b40: 65 20 64 65 73 63 72 69 70 74 6f 72 2c 20 6a 75 e descriptor, ju
3b50: 73 74 20 75 73 65 20 74 68 65 20 66 69 6c 65 20 st use the file
3b60: 64 65 73 63 72 69 70 74 6f 72 0a 20 20 20 20 20 descriptor.
3b70: 2a 20 77 69 74 68 20 74 68 65 20 53 53 4c 20 6c * with the SSL l
3b80: 69 62 72 61 72 79 20 73 69 6e 63 65 20 69 74 20 ibrary since it
3b90: 77 69 6c 6c 20 6c 69 6b 65 6c 79 20 62 65 20 6f will likely be o
3ba0: 70 74 69 6d 69 7a 65 64 20 66 6f 72 20 74 68 69 ptimized for thi
3bb0: 73 2e 0a 20 20 20 20 20 2a 2f 0a 20 20 20 20 70 s.. */. p
3bc0: 61 72 65 6e 74 43 68 61 6e 6e 65 6c 20 3d 20 54 arentChannel = T
3bd0: 6c 73 5f 47 65 74 50 61 72 65 6e 74 28 73 74 61 ls_GetParent(sta
3be0: 74 65 50 74 72 2c 20 30 29 3b 0a 20 20 20 20 70 tePtr, 0);. p
3bf0: 61 72 65 6e 74 43 68 61 6e 6e 65 6c 54 79 70 65 arentChannelType
3c00: 20 3d 20 54 63 6c 5f 47 65 74 43 68 61 6e 6e 65 = Tcl_GetChanne
3c10: 6c 54 79 70 65 28 70 61 72 65 6e 74 43 68 61 6e lType(parentChan
3c20: 6e 65 6c 29 3b 0a 0a 20 20 20 20 76 61 6c 69 64 nel);.. valid
3c30: 50 61 72 65 6e 74 43 68 61 6e 6e 65 6c 46 64 20 ParentChannelFd
3c40: 3d 20 30 3b 0a 20 20 20 20 69 66 20 28 73 74 72 = 0;. if (str
3c50: 63 6d 70 28 70 61 72 65 6e 74 43 68 61 6e 6e 65 cmp(parentChanne
3c60: 6c 54 79 70 65 2d 3e 74 79 70 65 4e 61 6d 65 2c lType->typeName,
3c70: 20 22 74 63 70 22 29 20 3d 3d 20 30 29 20 7b 0a "tcp") == 0) {.
3c80: 09 76 6f 69 64 20 2a 70 61 72 65 6e 74 43 68 61 .void *parentCha
3c90: 6e 6e 65 6c 46 64 49 6e 5f 70 2c 20 2a 70 61 72 nnelFdIn_p, *par
3ca0: 65 6e 74 43 68 61 6e 6e 65 6c 46 64 4f 75 74 5f entChannelFdOut_
3cb0: 70 3b 0a 09 69 6e 74 20 74 63 6c 47 65 74 43 68 p;..int tclGetCh
3cc0: 61 6e 6e 65 6c 48 61 6e 64 6c 65 52 65 74 3b 0a annelHandleRet;.
3cd0: 0a 09 74 63 6c 47 65 74 43 68 61 6e 6e 65 6c 48 ..tclGetChannelH
3ce0: 61 6e 64 6c 65 52 65 74 20 3d 20 54 63 6c 5f 47 andleRet = Tcl_G
3cf0: 65 74 43 68 61 6e 6e 65 6c 48 61 6e 64 6c 65 28 etChannelHandle(
3d00: 70 61 72 65 6e 74 43 68 61 6e 6e 65 6c 2c 20 54 parentChannel, T
3d10: 43 4c 5f 52 45 41 44 41 42 4c 45 2c 20 26 70 61 CL_READABLE, &pa
3d20: 72 65 6e 74 43 68 61 6e 6e 65 6c 46 64 49 6e 5f rentChannelFdIn_
3d30: 70 29 3b 0a 09 69 66 20 28 74 63 6c 47 65 74 43 p);..if (tclGetC
3d40: 68 61 6e 6e 65 6c 48 61 6e 64 6c 65 52 65 74 20 hannelHandleRet
3d50: 3d 3d 20 54 43 4c 5f 4f 4b 29 20 7b 0a 09 20 20 == TCL_OK) {..
3d60: 20 20 74 63 6c 47 65 74 43 68 61 6e 6e 65 6c 48 tclGetChannelH
3d70: 61 6e 64 6c 65 52 65 74 20 3d 20 54 63 6c 5f 47 andleRet = Tcl_G
3d80: 65 74 43 68 61 6e 6e 65 6c 48 61 6e 64 6c 65 28 etChannelHandle(
3d90: 70 61 72 65 6e 74 43 68 61 6e 6e 65 6c 2c 20 54 parentChannel, T
3da0: 43 4c 5f 57 52 49 54 41 42 4c 45 2c 20 26 70 61 CL_WRITABLE, &pa
3db0: 72 65 6e 74 43 68 61 6e 6e 65 6c 46 64 4f 75 74 rentChannelFdOut
3dc0: 5f 70 29 3b 0a 09 20 20 20 20 69 66 20 28 74 63 _p);.. if (tc
3dd0: 6c 47 65 74 43 68 61 6e 6e 65 6c 48 61 6e 64 6c lGetChannelHandl
3de0: 65 52 65 74 20 3d 3d 20 54 43 4c 5f 4f 4b 29 20 eRet == TCL_OK)
3df0: 7b 0a 09 09 70 61 72 65 6e 74 43 68 61 6e 6e 65 {...parentChanne
3e00: 6c 46 64 49 6e 20 3d 20 50 54 52 32 49 4e 54 28 lFdIn = PTR2INT(
3e10: 70 61 72 65 6e 74 43 68 61 6e 6e 65 6c 46 64 49 parentChannelFdI
3e20: 6e 5f 70 29 3b 0a 09 09 70 61 72 65 6e 74 43 68 n_p);...parentCh
3e30: 61 6e 6e 65 6c 46 64 4f 75 74 20 3d 20 50 54 52 annelFdOut = PTR
3e40: 32 49 4e 54 28 70 61 72 65 6e 74 43 68 61 6e 6e 2INT(parentChann
3e50: 65 6c 46 64 4f 75 74 5f 70 29 3b 0a 09 09 69 66 elFdOut_p);...if
3e60: 20 28 70 61 72 65 6e 74 43 68 61 6e 6e 65 6c 46 (parentChannelF
3e70: 64 49 6e 20 3d 3d 20 70 61 72 65 6e 74 43 68 61 dIn == parentCha
3e80: 6e 6e 65 6c 46 64 4f 75 74 29 20 7b 0a 09 09 20 nnelFdOut) {...
3e90: 20 20 20 70 61 72 65 6e 74 43 68 61 6e 6e 65 6c parentChannel
3ea0: 46 64 20 3d 20 70 61 72 65 6e 74 43 68 61 6e 6e Fd = parentChann
3eb0: 65 6c 46 64 49 6e 3b 0a 09 09 20 20 20 20 76 61 elFdIn;... va
3ec0: 6c 69 64 50 61 72 65 6e 74 43 68 61 6e 6e 65 6c lidParentChannel
3ed0: 46 64 20 3d 20 31 3b 0a 09 09 7d 0a 09 20 20 20 Fd = 1;...}..
3ee0: 20 7d 0a 09 7d 0a 20 20 20 20 7d 0a 0a 20 20 20 }..}. }..
3ef0: 20 69 66 20 28 76 61 6c 69 64 50 61 72 65 6e 74 if (validParent
3f00: 43 68 61 6e 6e 65 6c 46 64 29 20 7b 0a 09 64 70 ChannelFd) {..dp
3f10: 72 69 6e 74 66 28 22 57 65 20 66 6f 75 6e 64 20 rintf("We found
3f20: 61 20 73 68 6f 72 74 63 75 74 2c 20 74 68 69 73 a shortcut, this
3f30: 20 63 68 61 6e 6e 65 6c 20 69 73 20 62 61 63 6b channel is back
3f40: 65 64 20 62 79 20 61 20 73 6f 63 6b 65 74 3a 20 ed by a socket:
3f50: 25 69 22 2c 20 70 61 72 65 6e 74 43 68 61 6e 6e %i", parentChann
3f60: 65 6c 46 64 49 6e 29 3b 0a 09 62 69 6f 20 3d 20 elFdIn);..bio =
3f70: 42 49 4f 5f 6e 65 77 5f 73 6f 63 6b 65 74 28 70 BIO_new_socket(p
3f80: 61 72 65 6e 74 43 68 61 6e 6e 65 6c 46 64 2c 20 arentChannelFd,
3f90: 66 6c 61 67 73 29 3b 0a 09 73 74 61 74 65 50 74 flags);..statePt
3fa0: 72 2d 3e 66 6c 61 67 73 20 7c 3d 20 54 4c 53 5f r->flags |= TLS_
3fb0: 54 43 4c 5f 46 41 53 54 50 41 54 48 3b 0a 09 42 TCL_FASTPATH;..B
3fc0: 49 4f 5f 73 65 74 5f 64 61 74 61 28 62 69 6f 2c IO_set_data(bio,
3fd0: 20 73 74 61 74 65 50 74 72 29 3b 0a 09 42 49 4f statePtr);..BIO
3fe0: 5f 73 65 74 5f 73 68 75 74 64 6f 77 6e 28 62 69 _set_shutdown(bi
3ff0: 6f 2c 20 66 6c 61 67 73 29 3b 0a 09 42 49 4f 5f o, flags);..BIO_
4000: 73 65 74 5f 69 6e 69 74 28 62 69 6f 2c 20 31 29 set_init(bio, 1)
4010: 3b 0a 09 72 65 74 75 72 6e 20 62 69 6f 3b 0a 20 ;..return bio;.
4020: 20 20 20 7d 0a 23 65 6e 64 69 66 0a 0a 20 20 20 }.#endif..
4030: 20 64 70 72 69 6e 74 66 28 22 46 61 6c 6c 69 6e dprintf("Fallin
4040: 67 20 62 61 63 6b 20 74 6f 20 54 63 6c 20 49 2f g back to Tcl I/
4050: 4f 20 66 6f 72 20 74 68 69 73 20 63 68 61 6e 6e O for this chann
4060: 65 6c 22 29 3b 0a 0a 20 20 20 20 62 69 6f 20 3d el");.. bio =
4070: 20 42 49 4f 5f 6e 65 77 28 42 69 6f 4d 65 74 68 BIO_new(BioMeth
4080: 6f 64 73 29 3b 0a 20 20 20 20 42 49 4f 5f 73 65 ods);. BIO_se
4090: 74 5f 64 61 74 61 28 62 69 6f 2c 20 73 74 61 74 t_data(bio, stat
40a0: 65 50 74 72 29 3b 0a 20 20 20 20 42 49 4f 5f 73 ePtr);. BIO_s
40b0: 65 74 5f 73 68 75 74 64 6f 77 6e 28 62 69 6f 2c et_shutdown(bio,
40c0: 20 66 6c 61 67 73 29 3b 0a 20 20 20 20 42 49 4f flags);. BIO
40d0: 5f 73 65 74 5f 69 6e 69 74 28 62 69 6f 2c 20 31 _set_init(bio, 1
40e0: 29 3b 20 2f 2a 20 45 6e 61 62 6c 65 20 72 65 61 ); /* Enable rea
40f0: 64 20 26 20 77 72 69 74 65 20 2a 2f 0a 20 20 20 d & write */.
4100: 20 72 65 74 75 72 6e 20 62 69 6f 3b 0a 7d 0a 0a return bio;.}..
4110: 2f 2a 0a 20 2a 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d /*. *-----------
4120: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
4130: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
4140: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
4150: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
4160: 2d 2d 0a 20 2a 0a 20 2a 20 42 49 4f 5f 63 6c 65 --. *. * BIO_cle
4170: 61 6e 75 70 20 2d 2d 0a 20 2a 0a 20 2a 09 54 68 anup --. *. *.Th
4180: 69 73 20 66 75 6e 63 74 69 6f 6e 20 69 73 20 75 is function is u
4190: 73 65 64 20 74 6f 20 64 65 73 74 72 6f 79 20 61 sed to destroy a
41a0: 20 42 49 4f 5f 4d 45 54 48 4f 44 20 73 74 72 75 BIO_METHOD stru
41b0: 63 74 75 72 65 20 61 6e 64 20 66 72 65 65 20 75 cture and free u
41c0: 70 20 61 6e 79 0a 20 2a 09 6d 65 6d 6f 72 79 20 p any. *.memory
41d0: 61 73 73 6f 63 69 61 74 65 64 20 77 69 74 68 20 associated with
41e0: 69 74 2e 0a 20 2a 0a 20 2a 20 52 65 73 75 6c 74 it.. *. * Result
41f0: 73 3a 0a 20 2a 09 53 74 61 6e 64 61 72 64 20 54 s:. *.Standard T
4200: 43 4c 20 72 65 73 75 6c 74 0a 20 2a 0a 20 2a 20 CL result. *. *
4210: 53 69 64 65 20 65 66 66 65 63 74 73 3a 0a 20 2a Side effects:. *
4220: 09 44 65 73 74 72 6f 79 73 20 42 49 4f 20 4d 65 .Destroys BIO Me
4230: 74 68 6f 64 73 2e 0a 20 2a 0a 20 2a 2d 2d 2d 2d thods.. *. *----
4240: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
4250: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
4260: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
4270: 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d 2d ----------------
4280: 2d 2d 2d 2d 2d 2d 2d 2d 2d 0a 20 2a 2f 0a 0a 69 ---------. */..i
4290: 6e 74 20 42 49 4f 5f 63 6c 65 61 6e 75 70 20 28 nt BIO_cleanup (
42a0: 29 20 7b 0a 20 20 20 20 64 70 72 69 6e 74 66 28 ) {. dprintf(
42b0: 22 42 49 4f 5f 63 6c 65 61 6e 75 70 28 29 20 63 "BIO_cleanup() c
42c0: 61 6c 6c 65 64 22 29 3b 0a 0a 20 20 20 20 69 66 alled");.. if
42d0: 20 28 42 69 6f 4d 65 74 68 6f 64 73 20 21 3d 20 (BioMethods !=
42e0: 4e 55 4c 4c 29 20 7b 0a 09 42 49 4f 5f 6d 65 74 NULL) {..BIO_met
42f0: 68 5f 66 72 65 65 28 42 69 6f 4d 65 74 68 6f 64 h_free(BioMethod
4300: 73 29 3b 0a 09 42 69 6f 4d 65 74 68 6f 64 73 20 s);..BioMethods
4310: 3d 20 4e 55 4c 4c 3b 0a 20 20 20 20 7d 0a 20 20 = NULL;. }.
4320: 20 20 72 65 74 75 72 6e 20 54 43 4c 5f 4f 4b 3b return TCL_OK;
4330: 0a 7d 0a .}.