diff options
author | Matt Johnston <matt@ucc.asn.au> | 2007-01-11 04:29:08 +0000 |
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committer | Matt Johnston <matt@ucc.asn.au> | 2007-01-11 04:29:08 +0000 |
commit | 943636c3e13f50bc0e29c5f69974541a296a3be2 (patch) | |
tree | 02a55d7bff75c51e641a556ad331460a1d1270b6 /svr-service.c | |
parent | 0a60ef26bd13e6007c4fdd0f09b5a8d4785113c0 (diff) | |
parent | 9d5ed350a749368c84254c11e7616ce3c891193a (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.c | 87 |
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(); + +} |