example set key algos

examples/client/client.c

@@ -117,6 +117,8 @@ static void ShowUsage(void)
     printf(" -A <filename> filename for DER CA certificate to verify host\n");
     printf(" -X            Ignore IP checks on peer vs peer certificate\n");
 #endif
+    printf(" -E            List all possible algos\n");
+    printf(" -k            set the list of key algos to use\n");
 }
 
 
@@ -624,7 +626,9 @@ THREAD_RETURN WOLFSSH_THREAD client_test(void* args)
     const char* password = NULL;
     const char* cmd      = NULL;
     const char* privKeyName = NULL;
+    const char* keyList = NULL;
     byte imExit = 0;
+    byte listAlgos = 0;
     byte nonBlock = 0;
     byte keepOpen = 0;
 #ifdef USE_WINDOWS_API
@@ -641,7 +645,7 @@ THREAD_RETURN WOLFSSH_THREAD client_test(void* args)
 
     (void)keepOpen;
 
-    while ((ch = mygetopt(argc, argv, "?ac:h:i:j:p:tu:xzNP:RJ:A:Xe")) != -1) {
+    while ((ch = mygetopt(argc, argv, "?ac:h:i:j:p:tu:xzNP:RJ:A:XeEk:")) != -1) {
         switch (ch) {
             case 'h':
                 host = myoptarg;
@@ -701,6 +705,10 @@ THREAD_RETURN WOLFSSH_THREAD client_test(void* args)
             #endif
         #endif
 
+            case 'E':
+                listAlgos = 1;
+                break;
+
             case 'x':
                 /* exit after successful connection without read/write */
                 imExit = 1;
@@ -710,6 +718,10 @@ THREAD_RETURN WOLFSSH_THREAD client_test(void* args)
                 nonBlock = 1;
                 break;
 
+            case 'k':
+                keyList = myoptarg;
+                break;
+
         #if !defined(SINGLE_THREADED) && !defined(WOLFSSL_NUCLEUS)
             case 'c':
                 cmd = myoptarg;
@@ -779,6 +791,12 @@ THREAD_RETURN WOLFSSH_THREAD client_test(void* args)
     if (ctx == NULL)
         err_sys("Couldn't create wolfSSH client context.");
 
+    if (keyList) {
+        if (wolfSSH_CTX_SetAlgoListKey(ctx, NULL) != WS_SUCCESS) {
+            err_sys("Error setting key list.\n");
+        }
+    }
+
     if (((func_args*)args)->user_auth == NULL)
         wolfSSH_SetUserAuth(ctx, ClientUserAuth);
     else
@@ -825,6 +843,54 @@ THREAD_RETURN WOLFSSH_THREAD client_test(void* args)
     if (ret != WS_SUCCESS)
         err_sys("Couldn't set the username.");
 
+    if (listAlgos) {
+        word32 idx = 0;
+        const char* current = NULL;
+
+        printf("KEX:\n");
+        do {
+            current = wolfSSH_QueryKex(&idx);
+            if (current) {
+                printf("\t%d: %s\n", idx, current);
+            }
+        } while (current != NULL);
+        printf("Set KEX: %s\n\n", wolfSSH_GetAlgoListKex(ssh));
+
+        idx = 0;
+        printf("Key:\n");
+        do {
+            current = wolfSSH_QueryKey(&idx);
+            if (current) {
+                printf("\t%d: %s\n", idx, current);
+            }
+        } while (current != NULL);
+        printf("Set Key: %s\n\n", wolfSSH_GetAlgoListKey(ssh));
+
+        idx = 0;
+        printf("Cipher:\n");
+        do {
+            current = wolfSSH_QueryCipher(&idx);
+            if (current) {
+                printf("\t%d: %s\n", idx, current);
+            }
+        } while (current != NULL);
+        printf("Set Cipher: %s\n\n", wolfSSH_GetAlgoListCipher(ssh));
+
+        idx = 0;
+        printf("Mac:\n");
+        do {
+            current = wolfSSH_QueryMac(&idx);
+            if (current) {
+                printf("\t%d: %s\n", idx, current);
+            }
+        } while (current != NULL);
+        printf("Set Mac: %s\n", wolfSSH_GetAlgoListMac(ssh));
+
+        wolfSSH_free(ssh);
+        wolfSSH_CTX_free(ctx);
+        return 0;
+    }
+
     build_addr(&clientAddr, host, port);
     tcp_socket(&sockFd);
     ret = connect(sockFd, (const struct sockaddr *)&clientAddr, clientAddrSz);

examples/echoserver/echoserver.c

@@ -2156,6 +2156,7 @@ static void ShowUsage(void)
 #ifdef WOLFSSH_CERTS
     printf(" -a <file>     load in a root CA certificate file\n");
 #endif
+    printf(" -k            set the list of key algos to use\n");
 }
 
 
@@ -2194,6 +2195,7 @@ THREAD_RETURN WOLFSSH_THREAD echoserver_test(void* args)
     WS_SOCKET_T listenFd = WOLFSSH_SOCKET_INVALID;
     word32 defaultHighwater = EXAMPLE_HIGHWATER_MARK;
     word32 threadCount = 0;
+    const char* keyList = NULL;
     int multipleConnections = 1;
     int userEcc = 0;
     int peerEcc = 0;
@@ -2215,7 +2217,7 @@ THREAD_RETURN WOLFSSH_THREAD echoserver_test(void* args)
     serverArgs->return_code = EXIT_SUCCESS;
 
     if (argc > 0) {
-        const char* optlist = "?1a:d:efEp:R:Ni:j:I:J:K:P:";
+        const char* optlist = "?1a:d:efEp:R:Ni:j:I:J:K:P:k:";
         myoptind = 0;
         while ((ch = mygetopt(argc, argv, optlist)) != -1) {
             switch (ch) {
@@ -2237,6 +2239,10 @@ THREAD_RETURN WOLFSSH_THREAD echoserver_test(void* args)
                     userEcc = 1;
                     break;
 
+                case 'k' :
+                    keyList = myoptarg;
+                    break;
+
                 case 'E':
                     peerEcc = 1;
                     break;
@@ -2332,6 +2338,12 @@ THREAD_RETURN WOLFSSH_THREAD echoserver_test(void* args)
         ES_ERROR("Couldn't allocate SSH CTX data.\n");
     }
 
+    if (keyList) {
+        if (wolfSSH_CTX_SetAlgoListKey(ctx, keyList) != WS_SUCCESS) {
+            ES_ERROR("Error setting key list.\n");
+        }
+    }
+
     WMEMSET(&pwMapList, 0, sizeof(pwMapList));
     if (serverArgs->user_auth == NULL)
         wolfSSH_SetUserAuth(ctx, wsUserAuth);