/[rdesktop]/sourceforge.net/trunk/rdesktop/channels.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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Diff of /sourceforge.net/trunk/rdesktop/channels.c

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revision 432 by matthewc, Tue Jul 1 09:31:25 2003 UTC revision 438 by jsorg71, Fri Aug 1 17:01:58 2003 UTC
# Line 27  Line 27 
27  #define CHANNEL_FLAG_LAST               0x02  #define CHANNEL_FLAG_LAST               0x02
28  #define CHANNEL_FLAG_SHOW_PROTOCOL      0x10  #define CHANNEL_FLAG_SHOW_PROTOCOL      0x10
29    
30  extern BOOL use_rdp5;  extern BOOL g_use_rdp5;
31  extern BOOL encryption;  extern BOOL g_encryption;
32    
33  VCHANNEL g_channels[MAX_CHANNELS];  VCHANNEL g_channels[MAX_CHANNELS];
34  unsigned int g_num_channels;  unsigned int g_num_channels;
35    
36  /* FIXME: We should use the information in TAG_SRV_CHANNELS to map RDP5  /* FIXME: We should use the information in TAG_SRV_CHANNELS to map RDP5
37     channels to MCS channels.     channels to MCS channels.
38    
39     The format of TAG_SRV_CHANNELS seems to be     The format of TAG_SRV_CHANNELS seems to be
40    
# Line 48  channel_register(char *name, uint32 flag Line 48  channel_register(char *name, uint32 flag
48  {  {
49          VCHANNEL *channel;          VCHANNEL *channel;
50    
51          if (!use_rdp5)          if (!g_use_rdp5)
52                  return NULL;                  return NULL;
53    
54          if (g_num_channels >= MAX_CHANNELS)          if (g_num_channels >= MAX_CHANNELS)
# Line 67  channel_register(char *name, uint32 flag Line 67  channel_register(char *name, uint32 flag
67  }  }
68    
69  STREAM  STREAM
70  channel_init(VCHANNEL *channel, uint32 length)  channel_init(VCHANNEL * channel, uint32 length)
71  {  {
72          STREAM s;          STREAM s;
73    
74          s = sec_init(encryption ? SEC_ENCRYPT : 0, length + 8);          s = sec_init(g_encryption ? SEC_ENCRYPT : 0, length + 8);
75          s_push_layer(s, channel_hdr, 8);          s_push_layer(s, channel_hdr, 8);
76          return s;          return s;
77  }  }
78    
79  void  void
80  channel_send(STREAM s, VCHANNEL *channel)  channel_send(STREAM s, VCHANNEL * channel)
81  {  {
82          uint32 length, flags;          uint32 length, flags;
83          uint32 thislength, remaining;          uint32 thislength, remaining;
# Line 89  channel_send(STREAM s, VCHANNEL *channel Line 89  channel_send(STREAM s, VCHANNEL *channel
89    
90          thislength = MIN(length, CHANNEL_CHUNK_LENGTH);          thislength = MIN(length, CHANNEL_CHUNK_LENGTH);
91          remaining = length - thislength;          remaining = length - thislength;
92          flags = (remaining == 0) ? CHANNEL_FLAG_FIRST|CHANNEL_FLAG_LAST : CHANNEL_FLAG_FIRST;          flags = (remaining == 0) ? CHANNEL_FLAG_FIRST | CHANNEL_FLAG_LAST : CHANNEL_FLAG_FIRST;
93          if (channel->flags & CHANNEL_OPTION_SHOW_PROTOCOL)          if (channel->flags & CHANNEL_OPTION_SHOW_PROTOCOL)
94                  flags |= CHANNEL_FLAG_SHOW_PROTOCOL;                  flags |= CHANNEL_FLAG_SHOW_PROTOCOL;
95    
96          out_uint32_le(s, length);          out_uint32_le(s, length);
97          out_uint32_le(s, flags);          out_uint32_le(s, flags);
98          data = s->end = s->p + thislength;          data = s->end = s->p + thislength;
99          sec_send_to_channel(s, encryption ? SEC_ENCRYPT : 0, channel->mcs_id);          sec_send_to_channel(s, g_encryption ? SEC_ENCRYPT : 0, channel->mcs_id);
100    
101          /* subsequent segments copied (otherwise would have to generate headers backwards) */          /* subsequent segments copied (otherwise would have to generate headers backwards) */
102          while (remaining > 0)          while (remaining > 0)
# Line 105  channel_send(STREAM s, VCHANNEL *channel Line 105  channel_send(STREAM s, VCHANNEL *channel
105                  remaining -= thislength;                  remaining -= thislength;
106                  flags = (remaining == 0) ? CHANNEL_FLAG_LAST : 0;                  flags = (remaining == 0) ? CHANNEL_FLAG_LAST : 0;
107    
108                  s = sec_init(encryption ? SEC_ENCRYPT : 0, thislength + 8);                  s = sec_init(g_encryption ? SEC_ENCRYPT : 0, thislength + 8);
109                  out_uint32_le(s, length);                  out_uint32_le(s, length);
110                  out_uint32_le(s, flags);                  out_uint32_le(s, flags);
111                  out_uint8p(s, data, thislength);                  out_uint8p(s, data, thislength);
112                  s_mark_end(s);                  s_mark_end(s);
113                  sec_send_to_channel(s, encryption ? SEC_ENCRYPT : 0, channel->mcs_id);                  sec_send_to_channel(s, g_encryption ? SEC_ENCRYPT : 0, channel->mcs_id);
114    
115                  data += thislength;                  data += thislength;
116          }          }
# Line 168  channel_process(STREAM s, uint16 mcs_cha Line 168  channel_process(STREAM s, uint16 mcs_cha
168                  }                  }
169          }          }
170  }  }
   
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