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child-create: Trigger NARROW_RESPONDER_POST hook before installing SAs

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This makes sure we use the same set of traffic selectors when installing
the SAs and installing the policies.
This commit is contained in:
Tobias Brunner 2017-03-01 12:34:22 +01:00
parent 4cc77142e0
commit b00bcb9add
1 changed files with 21 additions and 25 deletions
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46
src/libcharon/sa/ikev2/tasks/child_create.c
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2008-2016 Tobias Brunner
* Copyright (C) 2008-2017 Tobias Brunner
* Copyright (C) 2005-2008 Martin Willi
* Copyright (C) 2005 Jan Hutter
* HSR Hochschule fuer Technik Rapperswil
@ -630,6 +630,23 @@ static status_t select_and_install(private_child_create_t *this,
default:
break;
}
/* use a copy of the traffic selectors, as the POST hook should not
* change payloads */
my_ts = this->tsr->clone_offset(this->tsr,
offsetof(traffic_selector_t, clone));
other_ts = this->tsi->clone_offset(this->tsi,
offsetof(traffic_selector_t, clone));
charon->bus->narrow(charon->bus, this->child_sa,
NARROW_RESPONDER_POST, my_ts, other_ts);
if (my_ts->get_count(my_ts) == 0 || other_ts->get_count(other_ts) == 0)
{
my_ts->destroy_offset(my_ts,
offsetof(traffic_selector_t, destroy));
other_ts->destroy_offset(other_ts,
offsetof(traffic_selector_t, destroy));
return NOT_FOUND;
}
}
this->child_sa->set_state(this->child_sa, CHILD_INSTALLING);
@ -679,31 +696,10 @@ static status_t select_and_install(private_child_create_t *this,
}
else
{
if (this->initiator)
status = this->child_sa->add_policies(this->child_sa, my_ts, other_ts);
if (!this->initiator)
{
status = this->child_sa->add_policies(this->child_sa,
my_ts, other_ts);
}
else
{
/* use a copy of the traffic selectors, as the POST hook should not
* change payloads */
my_ts = this->tsr->clone_offset(this->tsr,
offsetof(traffic_selector_t, clone));
other_ts = this->tsi->clone_offset(this->tsi,
offsetof(traffic_selector_t, clone));
charon->bus->narrow(charon->bus, this->child_sa,
NARROW_RESPONDER_POST, my_ts, other_ts);
if (my_ts->get_count(my_ts) == 0 ||
other_ts->get_count(other_ts) == 0)
{
status = FAILED;
}
else
{
status = this->child_sa->add_policies(this->child_sa,
my_ts, other_ts);
}
my_ts->destroy_offset(my_ts,
offsetof(traffic_selector_t, destroy));
other_ts->destroy_offset(other_ts,