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Diffstat (limited to 'openssl/demos/ssl/inetdsrv.cpp')
-rw-r--r--openssl/demos/ssl/inetdsrv.cpp98
1 files changed, 98 insertions, 0 deletions
diff --git a/openssl/demos/ssl/inetdsrv.cpp b/openssl/demos/ssl/inetdsrv.cpp
new file mode 100644
index 000000000..efd70d277
--- /dev/null
+++ b/openssl/demos/ssl/inetdsrv.cpp
@@ -0,0 +1,98 @@
+/* inetdserv.cpp - Minimal ssleay server for Unix inetd.conf
+ * 30.9.1996, Sampo Kellomaki <sampo@iki.fi>
+ * From /etc/inetd.conf:
+ * 1111 stream tcp nowait sampo /usr/users/sampo/demo/inetdserv inetdserv
+ */
+
+#include <stdio.h>
+#include <errno.h>
+
+#include "rsa.h" /* SSLeay stuff */
+#include <openssl/crypto.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+
+#define HOME "/usr/users/sampo/demo/"
+#define CERTF HOME "plain-cert.pem"
+#define KEYF HOME "plain-key.pem"
+
+#define CHK_NULL(x) if ((x)==NULL) exit (1)
+#define CHK_ERR(err,s) if ((err)==-1) \
+ { fprintf(log, "%s %d\n", (s), errno); exit(1); }
+#define CHK_SSL(err) if ((err)==-1) { ERR_print_errors_fp(log); exit(2); }
+
+void main ()
+{
+ int err;
+ SSL_CTX* ctx;
+ SSL* ssl;
+ X509* client_cert;
+ char* str;
+ char buf [4096];
+ FILE* log;
+
+ log = fopen ("/dev/console", "a"); CHK_NULL(log);
+ fprintf (log, "inetdserv %ld\n", (long)getpid());
+
+ SSL_load_error_strings();
+ ctx = SSL_CTX_new (); CHK_NULL(ctx);
+
+ err = SSL_CTX_use_RSAPrivateKey_file (ctx, KEYF, SSL_FILETYPE_PEM);
+ CHK_SSL (err);
+
+ err = SSL_CTX_use_certificate_file (ctx, CERTF, SSL_FILETYPE_PEM);
+ CHK_SSL (err);
+
+ /* inetd has already opened the TCP connection, so we can get right
+ down to business. */
+
+ ssl = SSL_new (ctx); CHK_NULL(ssl);
+ SSL_set_fd (ssl, fileno(stdin));
+ err = SSL_accept (ssl); CHK_SSL(err);
+
+ /* Get the cipher - opt */
+
+ fprintf (log, "SSL connection using %s\n", SSL_get_cipher (ssl));
+
+ /* Get client's certificate (note: beware of dynamic allocation) - opt */
+
+ client_cert = SSL_get_peer_certificate (ssl);
+ if (client_cert != NULL) {
+ fprintf (log, "Client certificate:\n");
+
+ str = X509_NAME_oneline (X509_get_subject_name (client_cert));
+ CHK_NULL(str);
+ fprintf (log, "\t subject: %s\n", str);
+ OPENSSL_free (str);
+
+ str = X509_NAME_oneline (X509_get_issuer_name (client_cert));
+ CHK_NULL(str);
+ fprintf (log, "\t issuer: %s\n", str);
+ OPENSSL_free (str);
+
+ /* We could do all sorts of certificate verification stuff here before
+ deallocating the certificate. */
+
+ X509_free (client_cert);
+ } else
+ fprintf (log, "Client doe not have certificate.\n");
+
+ /* ------------------------------------------------- */
+ /* DATA EXCHANGE: Receive message and send reply */
+
+ err = SSL_read (ssl, buf, sizeof(buf) - 1); CHK_SSL(err);
+ buf[err] = '\0';
+ fprintf (log, "Got %d chars:'%s'\n", err, buf);
+
+ err = SSL_write (ssl, "Loud and clear.", strlen("Loud and clear."));
+ CHK_SSL(err);
+
+ /* Clean up. */
+
+ fclose (log);
+ SSL_free (ssl);
+ SSL_CTX_free (ctx);
+}
+/* EOF - inetdserv.cpp */