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-rw-r--r--demos/bio/saccept.c107
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);
+ }
+