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 */