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-rw-r--r--source4/libcli/raw/rawreadwrite.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/source4/libcli/raw/rawreadwrite.c b/source4/libcli/raw/rawreadwrite.c
index 7a47ce66f4..e7a3209d07 100644
--- a/source4/libcli/raw/rawreadwrite.c
+++ b/source4/libcli/raw/rawreadwrite.c
@@ -161,6 +161,20 @@ NTSTATUS smb_raw_read_recv(struct smbcli_request *req, union smb_read *parms)
parms->readx.out.remaining = SVAL(req->in.vwv, VWV(2));
parms->readx.out.compaction_mode = SVAL(req->in.vwv, VWV(3));
parms->readx.out.nread = SVAL(req->in.vwv, VWV(5));
+
+ /* handle oversize replies for non-chained readx replies with
+ CAP_LARGE_READX. The snia spec has must to answer for. */
+ if ((req->tree->session->transport->negotiate.capabilities & CAP_LARGE_READX)
+ && CVAL(req->in.vwv, VWV(0)) == SMB_CHAIN_NONE &&
+ req->in.size >= 0x10000) {
+ parms->readx.out.nread += (SVAL(req->in.vwv, VWV(7)) << 16);
+ if (req->in.hdr + SVAL(req->in.vwv, VWV(6)) +
+ parms->readx.out.nread <=
+ req->in.buffer + req->in.size) {
+ req->in.data_size += (SVAL(req->in.vwv, VWV(7)) << 16);
+ }
+ }
+
if (parms->readx.out.nread > MAX(parms->readx.in.mincnt, parms->readx.in.maxcnt) ||
!smbcli_raw_pull_data(req, req->in.hdr + SVAL(req->in.vwv, VWV(6)),
parms->readx.out.nread,