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libxrdp: work on RDP negotiation part

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speidy 2013-09-25 18:07:20 +03:00
parent 9bf2d0dc60
commit 24e4b8c937
1 changed files with 17 additions and 8 deletions
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25
libxrdp/xrdp_iso.c
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@ -59,30 +59,39 @@ xrdp_iso_recv_rdpnegreq(struct xrdp_iso *self, struct stream *s, int *requestedP
*requestedProtocol = 0;
DEBUG((" in xrdp_iso_recv_rdpnegreq"));
in_uint8(s, type);
if (type != RDP_NEG_REQ)
{
DEBUG((" xrdp_iso_recv_rdpnegreq: type: %x",type));
return 1;
}
in_uint8(s, flags);
if (type != 0x0)
if (flags != 0x0)
{
DEBUG((" xrdp_iso_recv_rdpnegreq: flags: %x",flags));
return 1;
}
in_uint16_be(s, len);
if (len != 0x8) // fixed length
in_uint16_le(s, len);
if (len != 8) // fixed length
{
DEBUG((" xrdp_iso_recv_rdpnegreq: length: %x",len));
return 1;
}
in_uint32_be(s, *requestedProtocol);
if (requestedProtocol != PROTOCOL_RDP || PROTOCOL_SSL || PROTOCOL_HYBRID || PROTOCOL_HYBRID_EX)
{
return 1;
}
in_uint32_le(s, *requestedProtocol);
//TODO: think of protocol verification logic
// if (requestedProtocol != PROTOCOL_RDP || PROTOCOL_SSL || PROTOCOL_HYBRID || PROTOCOL_HYBRID_EX)
// {
// DEBUG((" xrdp_iso_recv_rdpnegreq: wrong requestedProtocol: %x",requestedProtocol));
// return 1;
// }
DEBUG((" out xrdp_iso_recv_rdpnegreq"));
return 0;
}
/*****************************************************************************/