1 files changed, 126 insertions, 0 deletions
diff --git a/demos/ssl/serv.cpp b/demos/ssl/serv.cpp
new file mode 100644
index 0000000000..8681f2f22b
--- /dev/null
+++ b/demos/ssl/serv.cpp
@@ -0,0 +1,126 @@
+/* serv.cpp  -  Minimal ssleay server for Unix
+   30.9.1996, Sampo Kellomaki <sampo@iki.fi> */
+
+#include <stdio.h>
+#include <memory.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+#include "rsa.h"       /* SSLeay stuff */
+#include "crypto.h"
+#include "x509.h"
+#include "pem.h"
+#include "ssl.h"
+#include "err.h"
+
+#define HOME "/usr/users/sampo/sibs/tim/"
+#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) { perror(s); exit(1); }
+#define CHK_SSL(err) if ((err)==-1) { ERR_print_errors_fp(stderr); exit(2); }
+
+void main ()
+{
+  int err;
+  int listen_sd;
+  int sd;
+  struct sockaddr_in sa_serv;
+  struct sockaddr_in sa_cli;
+  int client_len;
+  SSL_CTX* ctx;
+  SSL*     ssl;
+  X509*    client_cert;
+  char*    str;
+  char     buf [4096];
+
+  /* SSL preliminaries. We keep the certificate and key with the context. */
+
+  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);
+  
+  /* ----------------------------------------------- */
+  /* Prepare TCP socket for receiving connections */
+
+  listen_sd = socket (AF_INET, SOCK_STREAM, 0);   CHK_ERR(listen_sd, "socket");
+  
+  memset (&sa_serv, '\0', sizeof(sa_serv));
+  sa_serv.sin_family      = AF_INET;
+  sa_serv.sin_addr.s_addr = INADDR_ANY;
+  sa_serv.sin_port        = htons (1111);          /* Server Port number */
+  
+  err = bind(listen_sd, (struct sockaddr*) &sa_serv,
+	     sizeof (sa_serv));                   CHK_ERR(err, "bind");
+	     
+  /* Receive a TCP connection. */
+	     
+  err = listen (listen_sd, 5);                    CHK_ERR(err, "listen");
+  
+  client_len = sizeof(sa_cli);
+  sd = accept (listen_sd, (struct sockaddr*) &sa_cli, &client_len);
+  CHK_ERR(sd, "accept");
+  close (listen_sd);
+
+  printf ("Connection from %lx, port %x\n",
+	  sa_cli.sin_addr.s_addr, sa_cli.sin_port);
+  
+  /* ----------------------------------------------- */
+  /* TCP connection is ready. Do server side SSL. */
+
+  ssl = SSL_new (ctx);                           CHK_NULL(ssl);
+  SSL_set_fd (ssl, sd);
+  err = SSL_accept (ssl);                        CHK_SSL(err);
+  
+  /* Get the cipher - opt */
+  
+  printf ("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) {
+    printf ("Client certificate:\n");
+    
+    str = X509_NAME_oneline (X509_get_subject_name (client_cert));
+    CHK_NULL(str);
+    printf ("\t subject: %s\n", str);
+    Free (str);
+    
+    str = X509_NAME_oneline (X509_get_issuer_name  (client_cert));
+    CHK_NULL(str);
+    printf ("\t issuer: %s\n", str);
+    Free (str);
+    
+    /* We could do all sorts of certificate verification stuff here before
+       deallocating the certificate. */
+    
+    X509_free (client_cert);
+  } else
+    printf ("Client does 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';
+  printf ("Got %d chars:'%s'\n", err, buf);
+  
+  err = SSL_write (ssl, "I hear you.", strlen("I hear you."));  CHK_SSL(err);
+
+  /* Clean up. */
+
+  close (sd);
+  SSL_free (ssl);
+  SSL_CTX_free (ctx);
+}
+/* EOF - serv.cpp */