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authorMatt Johnston <matt@ucc.asn.au>2007-01-11 04:29:08 +0000
committerMatt Johnston <matt@ucc.asn.au>2007-01-11 04:29:08 +0000
commit943636c3e13f50bc0e29c5f69974541a296a3be2 (patch)
tree02a55d7bff75c51e641a556ad331460a1d1270b6 /svr-service.c
parent0a60ef26bd13e6007c4fdd0f09b5a8d4785113c0 (diff)
parent9d5ed350a749368c84254c11e7616ce3c891193a (diff)
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head c1db4398d56c56c6d06ae1e20c1e0d04dbb598ed)
to branch 'au.asn.ucc.matt.dropbear' (head d26d5eb2837f46b56a33fb0e7573aa0201abd4d5) --HG-- extra : convert_revision : 7a0ae6de81402591a789486070007238169fafca
Diffstat (limited to 'svr-service.c')
-rw-r--r--svr-service.c87
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();
+
+}