Mercurial > dropbear
view cli-service.c @ 116:2010f4119c1a
Check for non-matching algos properly
author | Matt Johnston <matt@ucc.asn.au> |
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date | Thu, 02 Sep 2004 15:24:17 +0000 |
parents | e3adf4cf5465 |
children | 0cfba3034be5 |
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/* * Dropbear SSH * * Copyright (c) 2002,2003 Matt Johnston * Copyright (c) 2004 by Mihnea Stoenescu * 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 "service.h" #include "dbutil.h" #include "packet.h" #include "buffer.h" #include "session.h" #include "ssh.h" void send_msg_service_request(char* servicename) { TRACE(("enter send_msg_service_request: servicename='%s'", servicename)); CHECKCLEARTOWRITE(); buf_putbyte(ses.writepayload, SSH_MSG_SERVICE_REQUEST); buf_putstring(ses.writepayload, servicename, strlen(servicename)); encrypt_packet(); TRACE(("leave send_msg_service_request")); } /* This just sets up the state variables right for the main client session loop * to deal with */ void recv_msg_service_accept() { unsigned char* servicename; unsigned int len; TRACE(("enter recv_msg_service_accept")); servicename = buf_getstring(ses.payload, &len); /* ssh-userauth */ if (cli_ses.state == SERVICE_AUTH_REQ_SENT && len == SSH_SERVICE_USERAUTH_LEN && strncmp(SSH_SERVICE_USERAUTH, servicename, len) == 0) { cli_ses.state = SERVICE_AUTH_ACCEPT_RCVD; m_free(servicename); TRACE(("leave recv_msg_service_accept: done ssh-userauth")); return; } /* ssh-connection */ if (cli_ses.state == SERVICE_CONN_REQ_SENT && len == SSH_SERVICE_CONNECTION_LEN && strncmp(SSH_SERVICE_CONNECTION, servicename, len) == 0) { if (ses.authstate.authdone != 1) { dropbear_exit("request for connection before auth"); } cli_ses.state = SERVICE_CONN_ACCEPT_RCVD; m_free(servicename); TRACE(("leave recv_msg_service_accept: done ssh-connection")); return; } dropbear_exit("unrecognised service accept"); /* m_free(servicename); not reached */ }