/[rdesktop]/jpeg/rdesktop/trunk/iso.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 733 by jsorg71, Mon Jul 5 19:09:07 2004 UTC revision 1434 by matthewc, Thu Feb 14 11:45:13 2008 UTC
# Line 1  Line 1 
1  /* -*- c-basic-offset: 8 -*-  /* -*- c-basic-offset: 8 -*-
2     rdesktop: A Remote Desktop Protocol client.     rdesktop: A Remote Desktop Protocol client.
3     Protocol services - ISO layer     Protocol services - ISO layer
4     Copyright (C) Matthew Chapman 1999-2002     Copyright (C) Matthew Chapman 1999-2007
5      
6     This program is free software; you can redistribute it and/or modify     This program is free software; you can redistribute it and/or modify
7     it under the terms of the GNU General Public License as published by     it under the terms of the GNU General Public License as published by
8     the Free Software Foundation; either version 2 of the License, or     the Free Software Foundation; either version 2 of the License, or
9     (at your option) any later version.     (at your option) any later version.
10      
11     This program is distributed in the hope that it will be useful,     This program is distributed in the hope that it will be useful,
12     but WITHOUT ANY WARRANTY; without even the implied warranty of     but WITHOUT ANY WARRANTY; without even the implied warranty of
13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14     GNU General Public License for more details.     GNU General Public License for more details.
15      
16     You should have received a copy of the GNU General Public License     You should have received a copy of the GNU General Public License
17     along with this program; if not, write to the Free Software     along with this program; if not, write to the Free Software
18     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
# Line 98  iso_recv_msg(uint8 * code, uint8 * rdpve Line 98  iso_recv_msg(uint8 * code, uint8 * rdpve
98                          next_be(s, length);                          next_be(s, length);
99                  }                  }
100          }          }
101            if (length < 4)
102            {
103                    error("Bad packet header\n");
104                    return NULL;
105            }
106          s = tcp_recv(s, length - 4);          s = tcp_recv(s, length - 4);
107          if (s == NULL)          if (s == NULL)
108                  return NULL;                  return NULL;
# Line 168  iso_recv(uint8 * rdpver) Line 173  iso_recv(uint8 * rdpver)
173  }  }
174    
175  /* Establish a connection up to the ISO layer */  /* Establish a connection up to the ISO layer */
176  BOOL  RD_BOOL
177  iso_connect(char *server, char *username)  iso_connect(char *server, char *username)
178  {  {
179          uint8 code = 0;          uint8 code = 0;
# Line 191  iso_connect(char *server, char *username Line 196  iso_connect(char *server, char *username
196          return True;          return True;
197  }  }
198    
199    /* Establish a reconnection up to the ISO layer */
200    RD_BOOL
201    iso_reconnect(char *server)
202    {
203            uint8 code = 0;
204    
205            if (!tcp_connect(server))
206                    return False;
207    
208            iso_send_msg(ISO_PDU_CR);
209    
210            if (iso_recv_msg(&code, NULL) == NULL)
211                    return False;
212    
213            if (code != ISO_PDU_CC)
214            {
215                    error("expected CC, got 0x%x\n", code);
216                    tcp_disconnect();
217                    return False;
218            }
219    
220            return True;
221    }
222    
223  /* Disconnect from the ISO layer */  /* Disconnect from the ISO layer */
224  void  void
225  iso_disconnect(void)  iso_disconnect(void)
# Line 198  iso_disconnect(void) Line 227  iso_disconnect(void)
227          iso_send_msg(ISO_PDU_DR);          iso_send_msg(ISO_PDU_DR);
228          tcp_disconnect();          tcp_disconnect();
229  }  }
230    
231    /* reset the state to support reconnecting */
232    void
233    iso_reset_state(void)
234    {
235            tcp_reset_state();
236    }
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