1 files changed, 87 insertions, 0 deletions
diff --git a/svr-service.c b/svr-service.c
new file mode 100644
index 0000000..2c78e7d
--- /dev/null
+++ b/svr-service.c
@@ -0,0 +1,87 @@
+/*
+ * Dropbear - a SSH2 server
+ * 
+ * Copyright (c) 2002,2003 Matt Johnston
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE. */
+
+#include "includes.h"
+#include "dbutil.h"
+#include "service.h"
+#include "session.h"
+#include "packet.h"
+#include "ssh.h"
+#include "auth.h"
+
+static void send_msg_service_accept(unsigned char *name, int len);
+
+/* processes a SSH_MSG_SERVICE_REQUEST, returning 0 if finished,
+ * 1 if not */
+void recv_msg_service_request() {
+
+	unsigned char * name;
+	unsigned int len;
+
+	TRACE(("enter recv_msg_service_request"))
+
+	name = buf_getstring(ses.payload, &len);
+
+	/* ssh-userauth */
+	if (len == SSH_SERVICE_USERAUTH_LEN && 
+			strncmp(SSH_SERVICE_USERAUTH, name, len) == 0) {
+
+		send_msg_service_accept(name, len);
+		m_free(name);
+		TRACE(("leave recv_msg_service_request: done ssh-userauth"))
+		return;
+	}
+
+	/* ssh-connection */
+	if (len == SSH_SERVICE_CONNECTION_LEN &&
+			(strncmp(SSH_SERVICE_CONNECTION, name, len) == 0)) {
+		if (ses.authstate.authdone != 1) {
+			dropbear_exit("request for connection before auth");
+		}
+
+		send_msg_service_accept(name, len);
+		m_free(name);
+		TRACE(("leave recv_msg_service_request: done ssh-connection"))
+		return;
+	}
+
+	m_free(name);
+	/* TODO this should be a MSG_DISCONNECT */
+	dropbear_exit("unrecognised SSH_MSG_SERVICE_REQUEST");
+
+
+}
+
+static void send_msg_service_accept(unsigned char *name, int len) {
+
+	TRACE(("accepting service %s", name))
+
+	CHECKCLEARTOWRITE();
+
+	buf_putbyte(ses.writepayload, SSH_MSG_SERVICE_ACCEPT);
+	buf_putstring(ses.writepayload, name, len);
+
+	encrypt_packet();
+
+}