From 5ac03256db0fe4ca7e3ad1117d096c3a76368b76 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Fri, 9 Jan 2015 09:46:07 +0100
Subject: backported CyaSSL/OpenSSL support for internal webserver instead of
 MatrixSSL

---
 .../router/cyassl/examples/echoclient/echoclient.c | 149 +++++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 release/src/router/cyassl/examples/echoclient/echoclient.c

(limited to 'release/src/router/cyassl/examples/echoclient/echoclient.c')

diff --git a/release/src/router/cyassl/examples/echoclient/echoclient.c b/release/src/router/cyassl/examples/echoclient/echoclient.c
new file mode 100644
index 00000000..66bd9fd4
--- /dev/null
+++ b/release/src/router/cyassl/examples/echoclient/echoclient.c
@@ -0,0 +1,149 @@
+/* echoclient.c  */
+
+#include "ssl.h"
+#include "cyassl_test.h"
+
+
+void echoclient_test(void* args)
+{
+    SOCKET_T sockfd = 0;
+
+    FILE* fin  = stdin;
+    FILE* fout = stdout;
+
+    int inCreated  = 0;
+    int outCreated = 0;
+
+    char send[1024];
+    char reply[1024];
+
+    SSL_METHOD* method = 0;
+    SSL_CTX*    ctx    = 0;
+    SSL*        ssl    = 0;
+
+    int sendSz;
+    int argc    = 0;
+    char** argv = 0;
+
+    ((func_args*)args)->return_code = -1; /* error state */
+    argc = ((func_args*)args)->argc;
+    argv = ((func_args*)args)->argv;
+
+    if (argc >= 2) {
+        fin  = fopen(argv[1], "r"); 
+        inCreated = 1;
+    }
+    if (argc >= 3) {
+        fout = fopen(argv[2], "w");
+        outCreated = 1;
+    }
+
+    if (!fin)  err_sys("can't open input file");
+    if (!fout) err_sys("can't open output file");
+
+    tcp_connect(&sockfd, yasslIP, yasslPort);
+
+#if defined(CYASSL_DTLS)
+    method  = DTLSv1_client_method();
+#elif  !defined(NO_TLS)
+    method = TLSv1_client_method();
+#else
+    method = SSLv3_client_method();
+#endif
+    ctx    = SSL_CTX_new(method);
+
+#ifndef NO_FILESYSTEM
+    if (SSL_CTX_load_verify_locations(ctx, caCert, 0) != SSL_SUCCESS)
+        err_sys("can't load ca file");
+    #ifdef HAVE_ECC
+        if (SSL_CTX_load_verify_locations(ctx, eccCert, 0) != SSL_SUCCESS)
+            err_sys("can't load ca file");
+    #endif
+#else
+    load_buffer(ctx, caCert, CYASSL_CA);
+#endif
+
+#ifdef OPENSSL_EXTRA
+    SSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
+#endif
+    ssl = SSL_new(ctx);
+
+    SSL_set_fd(ssl, sockfd);
+#if defined(USE_WINDOWS_API) && defined(CYASSL_DTLS) && defined(NO_MAIN_DRIVER)
+    /* let echoserver bind first, TODO: add Windows signal like pthreads does */
+    Sleep(100);
+#endif
+    if (SSL_connect(ssl) != SSL_SUCCESS) err_sys("SSL_connect failed");
+
+    while (fgets(send, sizeof(send), fin)) {
+
+        sendSz = (int)strlen(send) + 1;
+
+        if (SSL_write(ssl, send, sendSz) != sendSz)
+            err_sys("SSL_write failed");
+
+        if (strncmp(send, "quit", 4) == 0) {
+            fputs("sending server shutdown command: quit!\n", fout);
+            break;
+        }
+
+        if (strncmp(send, "break", 4) == 0) {
+            fputs("sending server session close: break!\n", fout);
+            break;
+        }
+
+        while (sendSz) {
+            int got;
+            if ( (got = SSL_read(ssl, reply, sizeof(reply))) > 0) {
+                fputs(reply, fout);
+                sendSz -= got;
+            }
+            else
+                break;
+        }
+    }
+
+#ifdef CYASSL_DTLS
+    strncpy(send, "break", 6);
+    sendSz = (int)strlen(send);
+    /* try to tell server done */
+    SSL_write(ssl, send, sendSz);
+#else
+    SSL_shutdown(ssl);
+#endif
+
+    SSL_free(ssl);
+    SSL_CTX_free(ctx);
+
+    fflush(fout);
+    if (inCreated)  fclose(fin);
+    if (outCreated) fclose(fout);
+
+    CloseSocket(sockfd);
+    ((func_args*)args)->return_code = 0; 
+}
+
+
+/* so overall tests can pull in test function */
+#ifndef NO_MAIN_DRIVER
+
+    int main(int argc, char** argv)
+    {
+        func_args args;
+
+        StartTCP();
+
+        args.argc = argc;
+        args.argv = argv;
+
+        InitCyaSSL();
+        echoclient_test(&args);
+        FreeCyaSSL();
+
+        return args.return_code;
+    }
+
+#endif /* NO_MAIN_DRIVER */
+
+
+
-- 
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