/* Process a Licensing packet */
void
licence_process(rdpLicence * licence, STREAM s)
{
uint8 tag;
uint16 wMsgSize;
uint8* license_start = s->p;
/* Licensing Preamble */
in_uint8(s, tag); /* bMsgType */
in_uint8s(s, 1); /* Ignoring bVersion */
in_uint16_le(s, wMsgSize);
/* Now pointing at LicensingMessage */
switch (tag)
{
case LICENSE_REQUEST:
DEBUG("LICENSE_REQUEST\n");
licence_process_request(licence, s);
ASSERT(s->p == license_start + wMsgSize);
break;
case LICENSE_PLATFORM_CHALLENGE:
DEBUG("LICENCE PLATFORM_CHALLENGE\n");
licence_process_platform_challenge(licence, s);
break;
case NEW_LICENSE:
DEBUG("NEW_LICENSE\n");
licence_process_new_license(licence, s);
break;
case UPGRADE_LICENSE:
DEBUG("UPGRADE_LICENSE\n");
break;
case LICENCE_ERROR_ALERT:
DEBUG("LICENCE ERROR_ALERT - assuming it is a license grant\n");
{
uint32 dwErrorCode, dwStateTransition;
uint32 wBlobType, wBlobLen;
in_uint32_le(s, dwErrorCode);
in_uint32_le(s, dwStateTransition);
DEBUG("dwErrorCode %x dwStateTransition %x\n", dwErrorCode, dwStateTransition);
in_uint16_le(s, wBlobType);
in_uint16_le(s, wBlobLen);
DEBUG("bbErrorInfo: wBlobType %x wBlobLen %x\n", wBlobType, wBlobLen);
/* hexdump(s->p, wBlobLen); */
}
licence->licence_issued = True; /* TODO ... */
break;
default:
ui_unimpl(licence->sec->rdp->inst, "Unknown licence tag 0x%x\n", tag);
}
s->p = license_start + wMsgSize; /* FIXME: Shouldn't be necessary if parsed properly */
ASSERT(s->p <= s->end);
}
void
rdp5_process(rdpRdp * rdp, STREAM s)
{
uint16 length, count, x, y;
uint8 type, ctype;
uint8 *next;
uint32 roff, rlen;
struct stream *ns = &(rdp->mppc_dict.ns);
struct stream *ts;
ui_begin_update(rdp->inst);
while (s->p < s->end)
{
in_uint8(s, type);
if (type & RDP5_COMPRESSED)
{
in_uint8(s, ctype);
in_uint16_le(s, length);
type ^= RDP5_COMPRESSED;
}
else
{
ctype = 0;
in_uint16_le(s, length);
}
rdp->next_packet = next = s->p + length;
if (ctype & RDP_MPPC_COMPRESSED)
{
if (mppc_expand(rdp, s->p, length, ctype, &roff, &rlen) == -1)
ui_error(rdp->inst, "error while decompressing packet\n");
/* allocate memory and copy the uncompressed data into the temporary stream */
ns->data = (uint8 *) xrealloc(ns->data, rlen);
memcpy((ns->data), (unsigned char *) (rdp->mppc_dict.hist + roff), rlen);
ns->size = rlen;
ns->end = ns->data + ns->size;
ns->p = ns->data;
ns->rdp_hdr = ns->p;
ts = ns;
}
else
ts = s;
switch (type)
{
case 0: /* update orders */
in_uint16_le(ts, count);
process_orders(rdp->orders, ts, count);
break;
case 1: /* update bitmap */
in_uint8s(ts, 2); /* part length */
process_bitmap_updates(rdp, ts);
break;
case 2: /* update palette */
in_uint8s(ts, 2); /* uint16 = 2 */
process_palette(rdp, ts);
break;
case 3: /* update synchronize */
break;
case 5: /* null pointer */
ui_set_null_cursor(rdp->inst);
break;
case 6: /* default pointer */
break;
case 8: /* pointer position */
in_uint16_le(ts, x);
in_uint16_le(ts, y);
ui_move_pointer(rdp->inst, x, y);
break;
case 9: /* color pointer */
process_color_pointer_pdu(rdp, ts);
break;
case 10: /* cached pointer */
process_cached_pointer_pdu(rdp, ts);
break;
case 11:
process_new_pointer_pdu(rdp, ts);
break;
default:
ui_unimpl(rdp->inst, "RDP5 opcode %d\n", type);
}
s->p = next;
}
ui_end_update(rdp->inst);
}
