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commit da9d1a5298d34f36accfac0af3640d11e4f70543
Author: Ulrich Sibiller <ul...@gmx.de>
Date: Sat Oct 6 20:59:25 2018 +0200
nxagent: Fix an excessive request size limitation that broke big-requests.
Fixes ArcticaProject/nx-libs#301, #631
Backport from xorg-xserver:
commit ca82d4bddf235c9b68d51d68636bab40eafb9889
Author: Eric Anholt <e...@anholt.net>
Date: Fri Aug 31 13:00:23 2007 -0700
Bug #7186: Fix an excessive request size limitation that broke
big-requests.
MAXBUFSIZE appears to be a leftover of some previous time. Instead,
just
use maxBigRequestSize when bigreqs are available (limiting buffers to
~16MB).
When bigreqs are not available, needed won't be larger than the maximum
size of a non-bigreqs request (256kB).
---
nx-X11/programs/Xserver/os/io.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/nx-X11/programs/Xserver/os/io.c b/nx-X11/programs/Xserver/os/io.c
index 6eeee34..ad1fdcd 100644
--- a/nx-X11/programs/Xserver/os/io.c
+++ b/nx-X11/programs/Xserver/os/io.c
@@ -301,7 +301,8 @@ ReadRequestFromClient(ClientPtr client)
*/
oci->lenLastReq = 0;
- if (needed > MAXBUFSIZE)
+#ifdef BIGREQS
+ if (needed > maxBigRequestSize << 2)
{
/* request is too big for us to handle */
/*
@@ -312,6 +313,7 @@ ReadRequestFromClient(ClientPtr client)
oci->lenLastReq = gotnow;
return needed;
}
+#endif
if ((gotnow == 0) ||
((oci->bufptr - oci->buffer + needed) > oci->size))
{
--
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