void SigHandler (int sig)
{
int ThreadGroupId;
switch (sig)
{
case SIGTERM:
// tell the NLM its exiting, and save the console threadid, recovering the main threadid
NlmExiting = TRUE;
ThreadGroupId = SetThreadGroupID (MainThreadGroupId);
// if the NLM is waiting on the user, stuff an enter keypress into the keyboard buffer
if (AwaitingInput)
ungetch (KEY_ENTER);
// allow the NLM to finish cleanly
while (ThreadCount != 0)
ThreadSwitchWithDelay ();
// restore the console threadid
SetThreadGroupID (ThreadGroupId);
break;
}
return;
}
/* the FAQ indicates we need to provide at least 20 bytes (160 bits) of seed
*/
int RAND_poll(void)
{
unsigned long l;
unsigned long tsc;
int i;
/* There are several options to gather miscellaneous data
* but for now we will loop checking the time stamp counter (rdtsc) and
* the SuperHighResolutionTimer. Each iteration will collect 8 bytes
* of data but it is treated as only 1 byte of entropy. The call to
* ThreadSwitchWithDelay() will introduce additional variability into
* the data returned by rdtsc.
*
* Applications can agument the seed material by adding additional
* stuff with RAND_add() and should probably do so.
*/
l = GetProcessSwitchCount();
RAND_add(&l,sizeof(l),1);
/* need to cast the void* to unsigned long here */
l = (unsigned long)RunningProcess;
RAND_add(&l,sizeof(l),1);
for( i=2; i<ENTROPY_NEEDED; i++)
{
#ifdef __MWERKS__
asm
{
rdtsc
mov tsc, eax
}
#else
asm volatile("rdtsc":"=A" (tsc));
#endif
RAND_add(&tsc, sizeof(tsc), 1);
l = GetSuperHighResolutionTimer();
RAND_add(&l, sizeof(l), 0);
# if defined(NETWARE_LIBC)
NXThreadYield();
# else /* NETWARE_CLIB */
ThreadSwitchWithDelay();
# endif
}
return 1;
}
void do_threads(SSL_CTX *s_ctx, SSL_CTX *c_ctx)
{
SSL_CTX *ssl_ctx[2];
int i;
ssl_ctx[0] = s_ctx;
ssl_ctx[1] = c_ctx;
for (i = 0; i < thread_number; i++) {
BeginThread((void (*)(void *))ndoit, NULL, THREAD_STACK_SIZE,
(void *)ssl_ctx);
ThreadSwitchWithDelay();
}
printf("reaping\n");
/* loop until all threads have signaled the semaphore */
for (i = 0; i < thread_number; i++) {
MPKSemaphoreWait(ThreadSem);
}
printf("netware threads done (%d,%d)\n",
s_ctx->references, c_ctx->references);
}
void NLM_SignalHandler(int sig)
#pragma on(unreferenced);
{
int handlerThreadGroupID;
switch(sig)
{
case SIGTERM:
NLM_exiting = TRUE;
handlerThreadGroupID = GetThreadGroupID();
SetThreadGroupID(NLM_mainThreadGroupID);
/* NLM SDK functions may be called here */
while (NLM_threadCnt != 0)
ThreadSwitchWithDelay();
SetThreadGroupID(handlerThreadGroupID);
break;
case SIGINT:
signal(SIGINT, NLM_SignalHandler);
break;
}
return;
}
int doit(char *ctx[4])
{
SSL_CTX *s_ctx, *c_ctx;
static char cbuf[200], sbuf[200];
SSL *c_ssl = NULL;
SSL *s_ssl = NULL;
BIO *c_to_s = NULL;
BIO *s_to_c = NULL;
BIO *c_bio = NULL;
BIO *s_bio = NULL;
int c_r, c_w, s_r, s_w;
int c_want, s_want;
int i;
int done = 0;
int c_write, s_write;
int do_server = 0, do_client = 0;
s_ctx = (SSL_CTX *)ctx[0];
c_ctx = (SSL_CTX *)ctx[1];
if (ctx[2] != NULL)
s_ssl = (SSL *)ctx[2];
else
s_ssl = SSL_new(s_ctx);
if (ctx[3] != NULL)
c_ssl = (SSL *)ctx[3];
else
c_ssl = SSL_new(c_ctx);
if ((s_ssl == NULL) || (c_ssl == NULL))
goto err;
c_to_s = BIO_new(BIO_s_mem());
s_to_c = BIO_new(BIO_s_mem());
if ((s_to_c == NULL) || (c_to_s == NULL))
goto err;
c_bio = BIO_new(BIO_f_ssl());
s_bio = BIO_new(BIO_f_ssl());
if ((c_bio == NULL) || (s_bio == NULL))
goto err;
SSL_set_connect_state(c_ssl);
SSL_set_bio(c_ssl, s_to_c, c_to_s);
BIO_set_ssl(c_bio, c_ssl, (ctx[2] == NULL) ? BIO_CLOSE : BIO_NOCLOSE);
SSL_set_accept_state(s_ssl);
SSL_set_bio(s_ssl, c_to_s, s_to_c);
BIO_set_ssl(s_bio, s_ssl, (ctx[3] == NULL) ? BIO_CLOSE : BIO_NOCLOSE);
c_r = 0;
s_r = 1;
c_w = 1;
s_w = 0;
c_want = W_WRITE;
s_want = 0;
c_write = 1, s_write = 0;
/* We can always do writes */
for (;;) {
do_server = 0;
do_client = 0;
i = (int)BIO_pending(s_bio);
if ((i && s_r) || s_w)
do_server = 1;
i = (int)BIO_pending(c_bio);
if ((i && c_r) || c_w)
do_client = 1;
if (do_server && verbose) {
if (SSL_in_init(s_ssl))
printf("server waiting in SSL_accept - %s\n",
SSL_state_string_long(s_ssl));
else if (s_write)
printf("server:SSL_write()\n");
else
printf("server:SSL_read()\n");
}
if (do_client && verbose) {
if (SSL_in_init(c_ssl))
printf("client waiting in SSL_connect - %s\n",
SSL_state_string_long(c_ssl));
else if (c_write)
printf("client:SSL_write()\n");
else
printf("client:SSL_read()\n");
}
if (!do_client && !do_server) {
fprintf(stdout, "ERROR IN STARTUP\n");
break;
}
if (do_client && !(done & C_DONE)) {
if (c_write) {
i = BIO_write(c_bio, "hello from client\n", 18);
if (i < 0) {
c_r = 0;
c_w = 0;
if (BIO_should_retry(c_bio)) {
if (BIO_should_read(c_bio))
c_r = 1;
if (BIO_should_write(c_bio))
c_w = 1;
} else {
fprintf(stderr, "ERROR in CLIENT\n");
ERR_print_errors_fp(stderr);
return (1);
}
} else if (i == 0) {
fprintf(stderr, "SSL CLIENT STARTUP FAILED\n");
return (1);
} else {
/* ok */
c_write = 0;
}
} else {
i = BIO_read(c_bio, cbuf, 100);
if (i < 0) {
c_r = 0;
c_w = 0;
if (BIO_should_retry(c_bio)) {
if (BIO_should_read(c_bio))
c_r = 1;
if (BIO_should_write(c_bio))
c_w = 1;
} else {
fprintf(stderr, "ERROR in CLIENT\n");
ERR_print_errors_fp(stderr);
return (1);
}
} else if (i == 0) {
fprintf(stderr, "SSL CLIENT STARTUP FAILED\n");
return (1);
} else {
done |= C_DONE;
#ifdef undef
fprintf(stdout, "CLIENT:from server:");
fwrite(cbuf, 1, i, stdout);
fflush(stdout);
#endif
}
}
}
if (do_server && !(done & S_DONE)) {
if (!s_write) {
i = BIO_read(s_bio, sbuf, 100);
if (i < 0) {
s_r = 0;
s_w = 0;
if (BIO_should_retry(s_bio)) {
if (BIO_should_read(s_bio))
s_r = 1;
if (BIO_should_write(s_bio))
s_w = 1;
} else {
fprintf(stderr, "ERROR in SERVER\n");
ERR_print_errors_fp(stderr);
return (1);
}
} else if (i == 0) {
fprintf(stderr, "SSL SERVER STARTUP FAILED\n");
return (1);
} else {
s_write = 1;
s_w = 1;
#ifdef undef
fprintf(stdout, "SERVER:from client:");
fwrite(sbuf, 1, i, stdout);
fflush(stdout);
#endif
}
} else {
i = BIO_write(s_bio, "hello from server\n", 18);
if (i < 0) {
s_r = 0;
s_w = 0;
if (BIO_should_retry(s_bio)) {
if (BIO_should_read(s_bio))
s_r = 1;
if (BIO_should_write(s_bio))
s_w = 1;
} else {
fprintf(stderr, "ERROR in SERVER\n");
ERR_print_errors_fp(stderr);
return (1);
}
} else if (i == 0) {
fprintf(stderr, "SSL SERVER STARTUP FAILED\n");
return (1);
} else {
s_write = 0;
s_r = 1;
done |= S_DONE;
}
}
}
if ((done & S_DONE) && (done & C_DONE))
break;
#if defined(OPENSSL_SYS_NETWARE)
ThreadSwitchWithDelay();
#endif
}
SSL_set_shutdown(c_ssl, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
SSL_set_shutdown(s_ssl, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#ifdef undef
fprintf(stdout, "DONE\n");
#endif
err:
/*
* We have to set the BIO's to NULL otherwise they will be free()ed
* twice. Once when th s_ssl is SSL_free()ed and again when c_ssl is
* SSL_free()ed. This is a hack required because s_ssl and c_ssl are
* sharing the same BIO structure and SSL_set_bio() and SSL_free()
* automatically BIO_free non NULL entries. You should not normally do
* this or be required to do this
*/
if (s_ssl != NULL) {
s_ssl->rbio = NULL;
s_ssl->wbio = NULL;
}
if (c_ssl != NULL) {
c_ssl->rbio = NULL;
c_ssl->wbio = NULL;
}
/* The SSL's are optionally freed in the following calls */
if (c_to_s != NULL)
BIO_free(c_to_s);
if (s_to_c != NULL)
BIO_free(s_to_c);
if (c_bio != NULL)
BIO_free(c_bio);
if (s_bio != NULL)
BIO_free(s_bio);
return (0);
}
