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#ifndef ECONNRESET
#define ECONNRESET 131 /* Connection reset by peer */
#endif
#ifdef TCLEXT_TCLTLS_DEBUG
#include <ctype.h>
#define dprintf(...) { \
char dprintfBuffer[8192], *dprintfBuffer_p; \
dprintfBuffer_p = &dprintfBuffer[0]; \
dprintfBuffer_p += sprintf(dprintfBuffer_p, "%s:%i:%s():", __FILE__, __LINE__, __func__); \
dprintfBuffer_p += sprintf(dprintfBuffer_p, __VA_ARGS__); \
fprintf(stderr, "%s\n", dprintfBuffer); \
}
int dprintBufferIdx; \
unsigned char dprintBufferChar; \
fprintf(stderr, "%s:%i:%s():%s[%llu]={", __FILE__, __LINE__, __func__, #bufferName, (unsigned long long) bufferLength); \
for (dprintBufferIdx = 0; dprintBufferIdx < bufferLength; dprintBufferIdx++) { \
dprintBufferChar = bufferName[dprintBufferIdx]; \
if (isalpha(dprintBufferChar) || isdigit(dprintBufferChar)) { \
fprintf(stderr, "'%c' ", dprintBufferChar); \
} else { \
fprintf(stderr, "%02x ", (unsigned int) dprintBufferChar); \
}; \
}; \
fprintf(stderr, "}\n"); \
}
char dprintfBuffer[8192], *dprintfBuffer_p; \
dprintfBuffer_p = &dprintfBuffer[0]; \
dprintfBuffer_p += sprintf(dprintfBuffer_p, "%s:%i:%s():%s->flags=0", __FILE__, __LINE__, __func__, #statePtr); \
if (((statePtr)->flags & TLS_TCL_ASYNC) == TLS_TCL_ASYNC) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_ASYNC"); }; \
if (((statePtr)->flags & TLS_TCL_SERVER) == TLS_TCL_SERVER) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_SERVER"); }; \
if (((statePtr)->flags & TLS_TCL_INIT) == TLS_TCL_INIT) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_INIT"); }; \
if (((statePtr)->flags & TLS_TCL_DEBUG) == TLS_TCL_DEBUG) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_DEBUG"); }; \
if (((statePtr)->flags & TLS_TCL_CALLBACK) == TLS_TCL_CALLBACK) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_CALLBACK"); }; \
if (((statePtr)->flags & TLS_TCL_HANDSHAKE_FAILED) == TLS_TCL_HANDSHAKE_FAILED) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_HANDSHAKE_FAILED"); }; \
if (((statePtr)->flags & TLS_TCL_FASTPATH) == TLS_TCL_FASTPATH) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_FASTPATH"); }; \
fprintf(stderr, "%s\n", dprintfBuffer); \
}
#define TLS_TCL_ASYNC (1<<0) /* non-blocking mode */
#define TLS_TCL_SERVER (1<<1) /* Server-Side */
#define TLS_TCL_INIT (1<<2) /* Initializing connection */
#define TLS_TCL_DEBUG (1<<3) /* Show debug tracing */
#define TLS_TCL_CALLBACK (1<<4) /* In a callback, prevent update
* looping problem. [Bug 1652380] */
#define TLS_TCL_HANDSHAKE_FAILED (1<<5) /* Set on handshake failures and once
* set, all further I/O will result
* in ECONNABORTED errors. */
#define TLS_TCL_FASTPATH (1<<6) /* The parent channel is being used directly by the SSL library */
#define TLS_TCL_DELAY (5)
/*
* This structure describes the per-instance state
* of an ssl channel.
*
* The SSL processing context is maintained here, in the ClientData
*/
typedef struct State {
Tcl_Channel self; /* this socket channel */
Tcl_TimerToken timer;
int flags; /* see State.flags above */
int watchMask; /* current WatchProc mask */
int mode; /* current mode of parent channel */
Tcl_Interp *interp; /* interpreter in which this resides */
Tcl_Obj *callback; /* script called for tracing, verifying and errors */
Tcl_Obj *password; /* script called for certificate password */
int vflags; /* verify flags */
SSL *ssl; /* Struct for SSL processing */
SSL_CTX *ctx; /* SSL Context */
BIO *bio; /* Struct for SSL processing */
BIO *p_bio; /* Parent BIO (that is layered on Tcl_Channel) */
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#ifndef ECONNRESET
#define ECONNRESET 131 /* Connection reset by peer */
#endif
#ifdef TCLEXT_TCLTLS_DEBUG
#include <ctype.h>
#define dprintf(...) { \
char dprintfBuffer[8192], *dprintfBuffer_p; \
dprintfBuffer_p = &dprintfBuffer[0]; \
dprintfBuffer_p += sprintf(dprintfBuffer_p, "%s:%i:%s():", __FILE__, __LINE__, __func__); \
dprintfBuffer_p += sprintf(dprintfBuffer_p, __VA_ARGS__); \
fprintf(stderr, "%s\n", dprintfBuffer); \
}
#define dprintBuffer(bufferName, bufferLength) { \
int dprintBufferIdx; \
unsigned char dprintBufferChar; \
fprintf(stderr, "%s:%i:%s():%s[%llu]={", __FILE__, __LINE__, __func__, #bufferName, (unsigned long long) bufferLength); \
for (dprintBufferIdx = 0; dprintBufferIdx < bufferLength; dprintBufferIdx++) { \
dprintBufferChar = bufferName[dprintBufferIdx]; \
if (isalpha(dprintBufferChar) || isdigit(dprintBufferChar)) { \
fprintf(stderr, "'%c' ", dprintBufferChar); \
} else { \
fprintf(stderr, "%02x ", (unsigned int) dprintBufferChar); \
}; \
}; \
fprintf(stderr, "}\n"); \
}
#define dprintFlags(statePtr) { \
char dprintfBuffer[8192], *dprintfBuffer_p; \
dprintfBuffer_p = &dprintfBuffer[0]; \
dprintfBuffer_p += sprintf(dprintfBuffer_p, "%s:%i:%s():%s->flags=0", __FILE__, __LINE__, __func__, #statePtr); \
if (((statePtr)->flags & TLS_TCL_ASYNC) == TLS_TCL_ASYNC) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_ASYNC"); }; \
if (((statePtr)->flags & TLS_TCL_SERVER) == TLS_TCL_SERVER) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_SERVER"); }; \
if (((statePtr)->flags & TLS_TCL_INIT) == TLS_TCL_INIT) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_INIT"); }; \
if (((statePtr)->flags & TLS_TCL_DEBUG) == TLS_TCL_DEBUG) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_DEBUG"); }; \
if (((statePtr)->flags & TLS_TCL_CALLBACK) == TLS_TCL_CALLBACK) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_CALLBACK"); }; \
if (((statePtr)->flags & TLS_TCL_HANDSHAKE_FAILED) == TLS_TCL_HANDSHAKE_FAILED) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_HANDSHAKE_FAILED"); }; \
if (((statePtr)->flags & TLS_TCL_FASTPATH) == TLS_TCL_FASTPATH) { dprintfBuffer_p += sprintf(dprintfBuffer_p, "|TLS_TCL_FASTPATH"); }; \
fprintf(stderr, "%s\n", dprintfBuffer); \
}
#else
#define dprintf(...) if (0) { fprintf(stderr, __VA_ARGS__); }
#define dprintBuffer(bufferName, bufferLength) /**/
#define dprintFlags(statePtr) /**/
#endif
#define TCLTLS_SSL_ERROR(ssl,err) ((char*)ERR_reason_error_string((unsigned long)SSL_get_error((ssl),(err))))
/*
* OpenSSL BIO Routines
*/
#define BIO_TYPE_TCL (19|0x0400)
/*
* Defines for State.flags
*/
#define TLS_TCL_ASYNC (1<<0) /* non-blocking mode */
#define TLS_TCL_SERVER (1<<1) /* Server-Side */
#define TLS_TCL_INIT (1<<2) /* Initializing connection */
#define TLS_TCL_DEBUG (1<<3) /* Show debug tracing */
#define TLS_TCL_CALLBACK (1<<4) /* In a callback, prevent update
* looping problem. [Bug 1652380] */
#define TLS_TCL_HANDSHAKE_FAILED (1<<5) /* Set on handshake failures and once set, all
* further I/O will result in ECONNABORTED errors. */
#define TLS_TCL_FASTPATH (1<<6) /* The parent channel is being used directly by the SSL library */
#define TLS_TCL_DELAY (5)
/*
* This structure describes the per-instance state of an SSL channel.
*
* The SSL processing context is maintained here, in the ClientData
*/
typedef struct State {
Tcl_Channel self; /* this socket channel */
Tcl_TimerToken timer;
int flags; /* see State.flags above */
int watchMask; /* current WatchProc mask */
int mode; /* current mode of parent channel */
Tcl_Interp *interp; /* interpreter in which this resides */
Tcl_Obj *callback; /* script called for tracing, verifying and errors */
Tcl_Obj *password; /* script called for certificate password */
int vflags; /* verify flags */
SSL *ssl; /* Struct for SSL processing */
SSL_CTX *ctx; /* SSL Context */
BIO *bio; /* Struct for SSL processing */
BIO *p_bio; /* Parent BIO (that is layered on Tcl_Channel) */
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