Echoserver Refresh

1. Add the code from wolfsshd that initially sets up the terminal
   settings to the echoserver.
2. Add the WOLFSSH_TERM flag to the build of the echoserver.

Author: ejohnstown

examples/echoserver/echoserver.c

@@ -864,6 +864,25 @@ static int ssh_worker(thread_ctx_t* threadCtx)
         ChildRunning = 1;
 #endif
 
+#if defined(WOLFSSH_TERM) && defined(WOLFSSH_SHELL)
+    /* set initial size of terminal based on saved size */
+#if defined(HAVE_SYS_IOCTL_H)
+    wolfSSH_DoModes(ssh->modes, ssh->modesSz, childFd);
+    {
+        struct winsize s = {0};
+
+        s.ws_col = ssh->widthChar;
+        s.ws_row = ssh->heightRows;
+        s.ws_xpixel = ssh->widthPixels;
+        s.ws_ypixel = ssh->heightPixels;
+
+        ioctl(childFd, TIOCSWINSZ, &s);
+    }
+#endif /* HAVE_SYS_IOCTL_H */
+
+        wolfSSH_SetTerminalResizeCtx(ssh, (void*)&childFd);
+#endif /* WOLFSSH_TERM && WOLFSSH_SHELL */
+
         while (ChildRunning) {
             fd_set readFds;
             WS_SOCKET_T maxFd;

examples/echoserver/include.am

@@ -7,5 +7,5 @@ examples_echoserver_echoserver_SOURCES      = examples/echoserver/echoserver.c \
                                               examples/echoserver/echoserver.h
 examples_echoserver_echoserver_LDADD        = src/libwolfssh.la
 examples_echoserver_echoserver_DEPENDENCIES = src/libwolfssh.la
-examples_echoserver_echoserver_CFLAGS       = $(AM_CFLAGS)
+examples_echoserver_echoserver_CFLAGS       = $(AM_CFLAGS) ${AM_CPPFLAGS}
 endif

tests/include.am

@@ -18,6 +18,9 @@ endif
 if BUILD_SFTP
 tests_unit_test_CPPFLAGS     += -DWOLFSSH_SFTP
 endif
+if BUILD_TERM
+tests_unit_test_CPPFLAGS     += -DWOLFSSH_TERM
+endif
 if BUILD_SHELL
 tests_unit_test_CPPFLAGS     += -DWOLFSSH_SHELL
 endif
@@ -45,6 +48,9 @@ endif
 if BUILD_SFTP
 tests_api_test_CPPFLAGS     += -DWOLFSSH_SFTP
 endif
+if BUILD_TERM
+tests_api_test_CPPFLAGS     += -DWOLFSSH_TERM
+endif
 if BUILD_SHELL
 tests_api_test_CPPFLAGS     += -DWOLFSSH_SHELL
 endif
@@ -77,6 +83,9 @@ endif
 if BUILD_SFTP
 tests_testsuite_test_CPPFLAGS     += -DWOLFSSH_SFTP
 endif
+if BUILD_TERM
+tests_testsuite_test_CPPFLAGS     += -DWOLFSSH_TERM
+endif
 if BUILD_SHELL
 tests_testsuite_test_CPPFLAGS     += -DWOLFSSH_SHELL
 endif