summaryrefslogtreecommitdiff
path: root/source3/smbd/smb2_tcon.c
diff options
context:
space:
mode:
authorJeremy Allison <jra@samba.org>2010-04-07 10:32:01 -0700
committerJeremy Allison <jra@samba.org>2010-04-07 10:32:01 -0700
commit556b42a351e3584550f79d1c7ad83b44f3a5562b (patch)
treeaf6506859e20b9136b95f9d3ec4e8f13b6f8dd05 /source3/smbd/smb2_tcon.c
parent146c1618e44591a11afade87f67797e6f80fa813 (diff)
downloadsamba-556b42a351e3584550f79d1c7ad83b44f3a5562b.tar.gz
samba-556b42a351e3584550f79d1c7ad83b44f3a5562b.tar.bz2
samba-556b42a351e3584550f79d1c7ad83b44f3a5562b.zip
On compound requests, MS-SMB2 says clients MAY use 0xFFFFFFFF for compound tid and 0xFFFFFFFFFFFFFFFF for compound sessionid values. Cope with this.
Jeremy.
Diffstat (limited to 'source3/smbd/smb2_tcon.c')
-rw-r--r--source3/smbd/smb2_tcon.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/source3/smbd/smb2_tcon.c b/source3/smbd/smb2_tcon.c
index bd33007c18..3eb9da29a0 100644
--- a/source3/smbd/smb2_tcon.c
+++ b/source3/smbd/smb2_tcon.c
@@ -220,15 +220,27 @@ static NTSTATUS smbd_smb2_tree_connect(struct smbd_smb2_request *req,
NTSTATUS smbd_smb2_request_check_tcon(struct smbd_smb2_request *req)
{
const uint8_t *inhdr;
+ const uint8_t *outhdr;
int i = req->current_idx;
uint32_t in_tid;
void *p;
struct smbd_smb2_tcon *tcon;
+ bool chained_fixup = false;
inhdr = (const uint8_t *)req->in.vector[i+0].iov_base;
in_tid = IVAL(inhdr, SMB2_HDR_TID);
+ if (i > 2 && in_tid == (0xFFFFFFFF)) {
+ /*
+ * Chained request - fill in tid from
+ * the previous request out.vector[].iov_base.
+ */
+ outhdr = (const uint8_t *)req->out.vector[i-3].iov_base;
+ in_tid = IVAL(outhdr, SMB2_HDR_TID);
+ chained_fixup = true;
+ }
+
/* lookup an existing session */
p = idr_find(req->session->tcons.idtree, in_tid);
if (p == NULL) {
@@ -246,6 +258,13 @@ NTSTATUS smbd_smb2_request_check_tcon(struct smbd_smb2_request *req)
}
req->tcon = tcon;
+
+ if (chained_fixup) {
+ /* Fix up our own outhdr. */
+ outhdr = (const uint8_t *)req->out.vector[i].iov_base;
+ SIVAL(outhdr, SMB2_HDR_TID, in_tid);
+ }
+
return NT_STATUS_OK;
}