If I remember right, there was a bug in the parameters that has been
fixed since.
Lets try the cvs version or I have a tar ball here
http://server1.xrdp.org/xrdp/xrdp-cvs-03-17-2010.tar.gz
Thanks
Jay
> I found a problem that caused the pointer sent to memcpy to be
> unaddressable only on 64bit big endian systems. This function has some
> arguments backwards and this results in casiting a pointer to an int and
> then back to a char* later giving an invalid address in the
> "lib_mod_event" callback. I've corrected the arguments to the function,
> and the call to the callback.
> This function is static and therefore has no declaration in a header,
> which may be why it evaded detection.
>
> I think this change belongs in the products source but I'm not a CVS
> committer so its up to someone greater than me...
> Please send me some feedback about this.
> Wendell Nichols
>
> Before my change:
> static int APP_CC
> xrdp_wm_process_channel_data(struct xrdp_wm* self, int channel_id,
> char* data, int data_len)
> {
> if (self->mm->mod != 0)
> {
> if (self->mm->mod->mod_event != 0)
> {
> self->mm->mod->mod_event(self->mm->mod, 0x5555, channel_id,
> (long)data,
> data_len, 0);
> }
> }
> return 0;
> }
>
>
> After my change:
> /******************************************************************************/
> static int APP_CC
> xrdp_wm_process_channel_data(struct xrdp_wm* self, int channel_id,
> int data_len, char*data)
>
> {
> if (self->mm->mod != 0)
> {
> if (self->mm->mod->mod_event != 0)
> {
> self->mm->mod->mod_event(self->mm->mod, 0x5555, channel_id,
> (long)data_len,
> data, 0);
> }
> }
> return 0;
> }
>
>
>
>
>
>
>
>
>
>
> I found a "fix" for this but I cannot explain why it is working as it is:
>
>
>
>
>
>
>
>
>
>
> In vnc.c the function
>
> int DEFAULT_CC
> lib_mod_event(struct vnc* v, int msg, long param1, long param2,
> long param3, long param4)
> {
>
> gets called with different arguments on my x86 linux box vs my zLinux
> os390 box:
> on zlinux the size is in param3 and data is in param4. On x86 its the
> other way around. I swapped the way the parms were used on zlinux to
> mkake it work and it does work but I don't see why there is a
> difference. I'll have to get both systems breakstopped and th
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