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-rw-r--r--source4/smb_server/reply.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/source4/smb_server/reply.c b/source4/smb_server/reply.c
index eb75ab08c7..9c7d027f4a 100644
--- a/source4/smb_server/reply.c
+++ b/source4/smb_server/reply.c
@@ -892,8 +892,14 @@ void reply_read_and_X(struct smbsrv_request *req)
io->readx.in.offset = IVAL(req->in.vwv, VWV(3));
io->readx.in.maxcnt = SVAL(req->in.vwv, VWV(5));
io->readx.in.mincnt = SVAL(req->in.vwv, VWV(6));
- io->readx.in.maxcnt |= IVAL(req->in.vwv, VWV(7)) << 16;
io->readx.in.remaining = SVAL(req->in.vwv, VWV(9));
+
+ if (req->smb_conn->negotiate.client_caps & CAP_LARGE_READX) {
+ uint32_t high_part = IVAL(req->in.vwv, VWV(7));
+ if (high_part == 1) {
+ io->readx.in.maxcnt |= high_part << 16;
+ }
+ }
/* the 64 bit variant */
if (req->in.wct == 12) {