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authorVolker Lendecke <vlendec@samba.org>2007-08-04 20:28:46 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 12:29:18 -0500
commitbf160bb6211fa1ca68c17f54290ce4cbb5dbb263 (patch)
treed1ce088015d237b3dfc2673da6c9fb69f8e8267e /source3
parentc847b2afe7f4c979499c20869563439e25f0cb7e (diff)
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r24224: Check wct in reply_trans
(This used to be commit fc8759e63ccec7f1cfb9f1d0ecd0f19a496e4153)
Diffstat (limited to 'source3')
-rw-r--r--source3/smbd/ipc.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/source3/smbd/ipc.c b/source3/smbd/ipc.c
index 769147926f..2e6b03fb94 100644
--- a/source3/smbd/ipc.c
+++ b/source3/smbd/ipc.c
@@ -502,15 +502,25 @@ int reply_trans(connection_struct *conn,
int bufsize)
{
int outsize = 0;
- unsigned int dsoff = SVAL(inbuf, smb_dsoff);
- unsigned int dscnt = SVAL(inbuf, smb_dscnt);
- unsigned int psoff = SVAL(inbuf, smb_psoff);
- unsigned int pscnt = SVAL(inbuf, smb_pscnt);
+ unsigned int dsoff;
+ unsigned int dscnt;
+ unsigned int psoff;
+ unsigned int pscnt;
struct trans_state *state;
NTSTATUS result;
START_PROFILE(SMBtrans);
+ if (SVAL(inbuf, smb_wct) < 10) {
+ END_PROFILE(SMBtrans);
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
+
+ dsoff = SVAL(inbuf, smb_dsoff);
+ dscnt = SVAL(inbuf, smb_dscnt);
+ psoff = SVAL(inbuf, smb_psoff);
+ pscnt = SVAL(inbuf, smb_pscnt);
+
result = allow_new_trans(conn->pending_trans, SVAL(inbuf, smb_mid));
if (!NT_STATUS_IS_OK(result)) {
DEBUG(2, ("Got invalid trans request: %s\n",
@@ -681,6 +691,11 @@ int reply_transs(connection_struct *conn, char *inbuf,char *outbuf,
show_msg(inbuf);
+ if (SVAL(inbuf, smb_wct) < 10) {
+ END_PROFILE(SMBtranss);
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
+
for (state = conn->pending_trans; state != NULL;
state = state->next) {
if (state->mid == SVAL(inbuf,smb_mid)) {