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smbd: Invalidate the session correctly.

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When a session is invalidated then we must also ensure it isn't used in
any pending requests being processed.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This commit is contained in:
Jeremy Allison 2013-09-23 14:10:27 -07:00 committed by Andreas Schneider
parent 8a50509021
commit d4a5c832f1
1 changed files with 23 additions and 0 deletions
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23
source3/smbd/smb2_sesssetup.c
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@ -457,6 +457,8 @@ static int pp_self_ref_destructor(struct smbd_smb2_session_setup_state **pp_stat
static int smbd_smb2_session_setup_state_destructor(struct smbd_smb2_session_setup_state *state)
{
struct smbd_smb2_request *preq;
/*
* If state->session is not NULL,
* we move the session from the session table to the request on failure
@ -471,6 +473,27 @@ static int smbd_smb2_session_setup_state_destructor(struct smbd_smb2_session_set
state->session->status = NT_STATUS_USER_SESSION_DELETED;
state->smb2req->session = talloc_move(state->smb2req, &state->session);
/*
* We've made this session owned by the current request.
* Ensure that any outstanding requests don't also refer
* to it.
*/
for (preq = state->smb2req->sconn->smb2.requests; preq != NULL; preq = preq->next) {
if (preq == state->smb2req) {
continue;
}
if (preq->session == state->smb2req->session) {
preq->session = NULL;
/*
* If we no longer have a session we can't
* sign or encrypt replies.
*/
preq->do_signing = false;
preq->do_encryption = false;
}
}
return 0;
}