From: Stefan Metzmacher <metze@samba.org>
Date: Tue, 8 Jan 2019 15:11:15 +0000 (+0100)
Subject: s4:libcli/smb2: calculate the correct credit charge in smb2_getinfo_send()
X-Git-Tag: tdb-1.4.1~594
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c88c2bf3b54a0faf8a77daf9b8827c101db9be95;p=thirdparty%2Fsamba.git

s4:libcli/smb2: calculate the correct credit charge in smb2_getinfo_send()

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13863

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
---

diff --git a/source4/libcli/smb2/getinfo.c b/source4/libcli/smb2/getinfo.c
index 591309c62f7..7a8fd44a855 100644
--- a/source4/libcli/smb2/getinfo.c
+++ b/source4/libcli/smb2/getinfo.c
@@ -32,6 +32,7 @@ struct smb2_request *smb2_getinfo_send(struct smb2_tree *tree, struct smb2_getin
 {
 	struct smb2_request *req;
 	NTSTATUS status;
+	size_t max_payload;
 
 	req = smb2_request_init_tree(tree, SMB2_OP_GETINFO, 0x28, true, 
 				     io->in.input_buffer.length);
@@ -63,6 +64,9 @@ struct smb2_request *smb2_getinfo_send(struct smb2_tree *tree, struct smb2_getin
 	}
 	SSVAL(req->out.body, 0x0C, io->in.reserved);
 
+	max_payload = MAX(io->in.output_buffer_length, io->in.input_buffer.length);
+	req->credit_charge = (MAX(max_payload, 1) - 1)/ 65536 + 1;
+
 	smb2_transport_send(req);
 
 	return req;