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/*
* Copyright (C) 1997-2000 Matt Newman <matt@novadigm.com>
*
* Provides BIO layer to interface openssl to Tcl.
*/
#include "tlsInt.h"
static int BioWrite(BIO *bio, const char *buf, int bufLen) {
Tcl_Channel chan;
Tcl_Size ret;
int ret;
int tclEofChan, tclErrno;
chan = Tls_GetParent((State *) BIO_get_data(bio), 0);
dprintf("[chan=%p] BioWrite(%p, <buf>, %d)", (void *)chan, (void *) bio, bufLen);
ret = Tcl_WriteRaw(chan, buf, (Tcl_Size) bufLen);
ret = (int) Tcl_WriteRaw(chan, buf, bufLen);
tclEofChan = Tcl_Eof(chan);
tclErrno = Tcl_GetErrno();
dprintf("[chan=%p] BioWrite(%d) -> %" TCL_SIZE_MODIFIER "d [tclEof=%d; tclErrno=%d]",
(void *) chan, bufLen, ret, tclEofChan, Tcl_GetErrno());
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if (ret != -1 || (ret == -1 && tclErrno == EAGAIN)) {
if (BIO_should_read(bio)) {
dprintf("Setting should retry read flag");
BIO_set_retry_read(bio);
}
}
return((int) ret);
return(ret);
}
static int BioRead(BIO *bio, char *buf, int bufLen) {
Tcl_Channel chan;
Tcl_Size ret = 0;
int tclEofChan, tclErrno;
chan = Tls_GetParent((State *) BIO_get_data(bio), 0);
dprintf("[chan=%p] BioRead(%p, <buf>, %d)", (void *) chan, (void *) bio, bufLen);
if (buf == NULL) {
return 0;
}
ret = Tcl_ReadRaw(chan, buf, (Tcl_Size) bufLen);
ret = Tcl_ReadRaw(chan, buf, bufLen);
tclEofChan = Tcl_Eof(chan);
tclErrno = Tcl_GetErrno();
dprintf("[chan=%p] BioRead(%d) -> %" TCL_SIZE_MODIFIER "d [tclEof=%d; tclErrno=%d]",
(void *) chan, bufLen, ret, tclEofChan, tclErrno);
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if (BIO_should_write(bio)) {
dprintf("Setting should retry write flag");
BIO_set_retry_write(bio);
}
}
dprintf("BioRead(%p, <buf>, %d) [%p] returning %" TCL_SIZE_MODIFIER "d", (void *) bio,
dprintf("BioRead(%p, <buf>, %d) [%p] returning %i", (void *) bio, bufLen, (void *) chan, ret);
bufLen, (void *) chan, ret);
return((int) ret);
return(ret);
}
static int BioPuts(BIO *bio, const char *str) {
dprintf("BioPuts(%p, <string:%p>) called", bio, str);
return BioWrite(bio, str, (int) strlen(str));
}
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