cast return and add test case

Author: JacobBarthelmeh

apps/wolfsshd/test/run_all_sshd_tests.sh

@@ -60,6 +60,7 @@ run_test() {
 run_test "sshd_exec_test.sh"
 run_test "sshd_term_size_test.sh"
 run_test "sshd_large_sftp_test.sh"
+run_test "sshd_bad_sftp_test.sh"
 
 #Github actions needs resolved for these test cases
 #run_test "error_return.sh"

apps/wolfsshd/test/sshd_bad_sftp_test.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+
+# sshd local test
+
+PWD=`pwd`
+cd ../../..
+
+TEST_SFTP_CLIENT="./examples/sftpclient/wolfsftp"
+USER=`whoami`
+PRIVATE_KEY="./keys/hansel-key-ecc.der"
+PUBLIC_KEY="./keys/hansel-key-ecc.pub"
+
+if [ -z "$1" ] || [ -z "$2" ]; then
+    echo "expecting host and port as arguments"
+    echo "./sshd_exec_test.sh 127.0.0.1 22222"
+    exit 1
+fi
+
+mkdir test-$$
+mkdir test-$$/subfolder
+
+echo "$TEST_SFTP_CLIENT -u $USER -i $PRIVATE_KEY -j $PUBLIC_KEY -g -l configure -r `pwd`/test-$$/subfolder/ -h \"$1\" -p \"$2\""
+"$TEST_SFTP_CLIENT -u $USER -i $PRIVATE_KEY -j $PUBLIC_KEY -g -l configure -r `pwd`/test-$$/subfolder/ -h $1 -p $2"
+
+RESULT=$?
+if [ "$RESULT" = "0" ]; then
+    echo "Expecting to fail transfer to folder"
+    exit 1
+fi
+rm -rf test-$$
+
+cd $PWD
+exit 0
+

src/wolfsftp.c

@@ -1695,7 +1695,7 @@ static int GetAndCleanPath(const char* defaultPath,
     if (ret == 0 && WOLFSSH_SFTP_IS_DELIM(data[sz-1])) {
         int strSz;
 
-        strSz = WSTRLEN(s);
+        strSz = (int)WSTRLEN(s);
         if (strSz + 1 >= WOLFSSH_MAX_FILENAME) {
             ret = WS_BUFFER_E;
         }