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s4:librpc/rpc: use tevent_req_defer_callback() in dcerpc_alter_context_*

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metze
This commit is contained in:
Stefan Metzmacher 2012-03-13 15:41:16 +01:00
parent 6d631e52cf
commit cd1d5a29d4
1 changed files with 29 additions and 0 deletions
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29
source4/librpc/rpc/dcerpc.c
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@ -1940,6 +1940,7 @@ uint32_t dcerpc_auth_level(struct dcecli_connection *c)
}
struct dcerpc_alter_context_state {
struct tevent_context *ev;
struct dcerpc_pipe *p;
};
@ -1967,6 +1968,7 @@ struct tevent_req *dcerpc_alter_context_send(TALLOC_CTX *mem_ctx,
return NULL;
}
state->ev = ev;
state->p = p;
p->syntax = *syntax;
@ -2045,10 +2047,25 @@ static void dcerpc_alter_context_fail_handler(struct rpc_request *subreq)
struct tevent_req *req =
talloc_get_type_abort(subreq->async.private_data,
struct tevent_req);
struct dcerpc_alter_context_state *state =
tevent_req_data(req,
struct dcerpc_alter_context_state);
NTSTATUS status = subreq->status;
TALLOC_FREE(subreq);
/*
* We trigger the callback in the next event run
* because the code in this file might trigger
* multiple request callbacks from within a single
* while loop.
*
* In order to avoid segfaults from within
* dcerpc_connection_dead() we call
* tevent_req_defer_callback().
*/
tevent_req_defer_callback(req, state->ev);
tevent_req_nterror(req, status);
}
@ -2072,6 +2089,18 @@ static void dcerpc_alter_context_recv_handler(struct rpc_request *subreq,
talloc_steal(state, raw_packet->data);
TALLOC_FREE(subreq);
/*
* We trigger the callback in the next event run
* because the code in this file might trigger
* multiple request callbacks from within a single
* while loop.
*
* In order to avoid segfaults from within
* dcerpc_connection_dead() we call
* tevent_req_defer_callback().
*/
tevent_req_defer_callback(req, state->ev);
if (pkt->ptype == DCERPC_PKT_ALTER_RESP &&
pkt->u.alter_resp.num_results == 1 &&
pkt->u.alter_resp.ctx_list[0].result != 0) {