1 files changed, 107 insertions, 0 deletions
diff --git a/demos/bio/saccept.c b/demos/bio/saccept.c
new file mode 100644
index 0000000000..81bf353750
--- /dev/null
+++ b/demos/bio/saccept.c
@@ -0,0 +1,107 @@
+/* NOCW */
+/* demos/bio/saccept.c */
+
+/* A minimal program to server an SSL connection.
+ * It uses blocking.
+ * saccept host:port
+ * host is the interface IP to use.  If any interface, use *:port
+ * The default it *:4433
+ *
+ * cc -I../../include saccept.c -L../.. -lssl -lcrypto
+ */
+
+#include <stdio.h>
+#include <signal.h>
+#include "err.h"
+#include "ssl.h"
+
+#define CERT_FILE	"server.pem"
+
+BIO *in=NULL;
+
+void close_up()
+	{
+	if (in != NULL)
+		BIO_free(in);
+	}
+
+int main(argc,argv)
+int argc;
+char *argv[];
+	{
+	char *port=NULL;
+	BIO *ssl_bio,*tmp;
+	SSL_CTX *ctx;
+	SSL *ssl;
+	char buf[512];
+	int ret=1,i;
+
+        if (argc <= 1)
+		port="*:4433";
+	else
+		port=argv[1];
+
+	signal(SIGINT,close_up);
+
+	SSL_load_error_strings();
+
+	/* Add ciphers and message digests */
+	SSLeay_add_ssl_algorithms();
+
+	ctx=SSL_CTX_new(SSLv23_server_method());
+	if (!SSL_CTX_use_certificate_file(ctx,CERT_FILE,SSL_FILETYPE_PEM))
+		goto err;
+	if (!SSL_CTX_use_PrivateKey_file(ctx,CERT_FILE,SSL_FILETYPE_PEM))
+		goto err;
+	if (!SSL_CTX_check_private_key(ctx))
+		goto err;
+
+	/* Setup server side SSL bio */
+	ssl=SSL_new(ctx);
+	ssl_bio=BIO_new_ssl(ctx,0);
+
+	if ((in=BIO_new_accept(port)) == NULL) goto err;
+
+	/* This means that when a new connection is acceptede on 'in',
+	 * The ssl_bio will be 'dupilcated' and have the new socket
+	 * BIO push into it.  Basically it means the SSL BIO will be
+	 * automatically setup */
+	BIO_set_accept_bios(in,ssl_bio);
+
+again:
+	/* The first call will setup the accept socket, and the second
+	 * will get a socket.  In this loop, the first actuall accept
+	 * will occur in the BIO_read() function. */
+
+	if (BIO_do_accept(in) <= 0) goto err;
+
+	for (;;)
+		{
+		i=BIO_read(in,buf,512);
+		if (i == 0)
+			{
+			/* If we have finished, remove the underlying
+			 * BIO stack so the next time we call any function
+			 * for this BIO, it will attempt to do an
+			 * accept */
+			printf("Done\n");
+			tmp=BIO_pop(in);
+			BIO_free_all(tmp);
+			goto again;
+			}
+		if (i < 0) goto err;
+		fwrite(buf,1,i,stdout);
+		fflush(stdout);
+		}
+
+	ret=0;
+err:
+	if (ret)
+		{
+		ERR_print_errors_fp(stderr);
+		}
+	if (in != NULL) BIO_free(in);
+	exit(ret);
+	return(!ret);
+	}
+