annotate cli-service.c @ 279:1f5ec029dfe8

merge of 4c883eb469d2d251ee8abddbc11ae4005db6da17 and bed6155e95a293c9fce7e889d283b5958f3035dc
author Matt Johnston <matt@ucc.asn.au>
date Wed, 08 Mar 2006 12:53:11 +0000
parents 0cfba3034be5
children 454a34b2dfd1
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1 /*
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2 * Dropbear SSH
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3 *
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4 * Copyright (c) 2002,2003 Matt Johnston
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5 * Copyright (c) 2004 by Mihnea Stoenescu
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6 * All rights reserved.
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7 *
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8 * Permission is hereby granted, free of charge, to any person obtaining a copy
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9 * of this software and associated documentation files (the "Software"), to deal
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10 * in the Software without restriction, including without limitation the rights
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11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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12 * copies of the Software, and to permit persons to whom the Software is
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13 * furnished to do so, subject to the following conditions:
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14 *
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15 * The above copyright notice and this permission notice shall be included in
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16 * all copies or substantial portions of the Software.
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17 *
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18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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21 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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24 * SOFTWARE. */
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25
33
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26 #include "includes.h"
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27 #include "service.h"
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28 #include "dbutil.h"
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29 #include "packet.h"
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30 #include "buffer.h"
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31 #include "session.h"
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32 #include "ssh.h"
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33
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34 void send_msg_service_request(char* servicename) {
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35
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36 TRACE(("enter send_msg_service_request: servicename='%s'", servicename))
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37
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38 CHECKCLEARTOWRITE();
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39
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40 buf_putbyte(ses.writepayload, SSH_MSG_SERVICE_REQUEST);
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41 buf_putstring(ses.writepayload, servicename, strlen(servicename));
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42
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43 encrypt_packet();
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44 TRACE(("leave send_msg_service_request"))
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45 }
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46
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47 /* This just sets up the state variables right for the main client session loop
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48 * to deal with */
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49 void recv_msg_service_accept() {
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50
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51 unsigned char* servicename;
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52 unsigned int len;
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53
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54 TRACE(("enter recv_msg_service_accept"))
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55
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56 servicename = buf_getstring(ses.payload, &len);
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57
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58 /* ssh-userauth */
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59 if (cli_ses.state == SERVICE_AUTH_REQ_SENT
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60 && len == SSH_SERVICE_USERAUTH_LEN
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61 && strncmp(SSH_SERVICE_USERAUTH, servicename, len) == 0) {
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62
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63 cli_ses.state = SERVICE_AUTH_ACCEPT_RCVD;
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64 m_free(servicename);
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65 TRACE(("leave recv_msg_service_accept: done ssh-userauth"))
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66 return;
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67 }
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68
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69 /* ssh-connection */
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70 if (cli_ses.state == SERVICE_CONN_REQ_SENT
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71 && len == SSH_SERVICE_CONNECTION_LEN
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72 && strncmp(SSH_SERVICE_CONNECTION, servicename, len) == 0) {
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74 if (ses.authstate.authdone != 1) {
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75 dropbear_exit("request for connection before auth");
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76 }
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77
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78 cli_ses.state = SERVICE_CONN_ACCEPT_RCVD;
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79 m_free(servicename);
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80 TRACE(("leave recv_msg_service_accept: done ssh-connection"))
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81 return;
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82 }
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83
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84 dropbear_exit("unrecognised service accept");
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85 /* m_free(servicename); not reached */
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86
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87 }