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auth/spnego: set state_position = SPNEGO_DONE in gensec_spnego_update_cleanup()

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Every fatal error should mark the spnego_state to reject any further update()
calls.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This commit is contained in:
Stefan Metzmacher 2017-06-14 08:43:13 +02:00 committed by Andreas Schneider
parent edd8dabd9c
commit a5fc7914b5
1 changed files with 22 additions and 4 deletions
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26
auth/gensec/spnego.c
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@ -1391,6 +1391,27 @@ struct gensec_spnego_update_state {
DATA_BLOB out;
};
static void gensec_spnego_update_cleanup(struct tevent_req *req,
enum tevent_req_state req_state)
{
struct gensec_spnego_update_state *state =
tevent_req_data(req,
struct gensec_spnego_update_state);
switch (req_state) {
case TEVENT_REQ_USER_ERROR:
case TEVENT_REQ_TIMED_OUT:
case TEVENT_REQ_NO_MEMORY:
/*
* A fatal error, further updates are not allowed.
*/
state->spnego->state_position = SPNEGO_DONE;
break;
default:
break;
}
}
static struct tevent_req *gensec_spnego_update_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct gensec_security *gensec_security,
@ -1410,6 +1431,7 @@ static struct tevent_req *gensec_spnego_update_send(TALLOC_CTX *mem_ctx,
}
state->gensec = gensec_security;
state->spnego = spnego_state;
tevent_req_set_cleanup_fn(req, gensec_spnego_update_cleanup);
if (spnego_state->out_frag.length > 0) {
if (in.length > 0) {
@ -1459,10 +1481,6 @@ static struct tevent_req *gensec_spnego_update_send(TALLOC_CTX *mem_ctx,
}
if (!NT_STATUS_IS_OK(status) &&
!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
/*
* A fatal error, further updates are not allowed.
*/
spnego_state->state_position = SPNEGO_DONE;
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}