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91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/* Copyright (c) 2019-2020, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file fakecircs.c
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* \brief Fake circuits API for unit test.
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**/
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#define CIRCUITBUILD_PRIVATE
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#define CIRCUITLIST_PRIVATE
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#define CRYPT_PATH_PRIVATE
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#include "core/or/or.h"
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#include "core/crypto/relay_crypto.h"
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#include "core/or/channel.h"
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#include "core/or/circuitbuild.h"
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#include "core/or/circuitlist.h"
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#include "core/or/circuitpadding.h"
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#include "core/or/crypt_path.h"
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#include "core/or/relay.h"
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#include "core/or/relay_crypto_st.h"
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#include "test/fakecircs.h"
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/** Return newly allocated OR circuit using the given nchan and pchan. It must
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* be freed with the free_fake_orcirc(). */
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or_circuit_t *
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new_fake_orcirc(channel_t *nchan, channel_t *pchan)
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{
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or_circuit_t *orcirc = NULL;
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circuit_t *circ = NULL;
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crypt_path_t tmp_cpath;
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char whatevs_key[CPATH_KEY_MATERIAL_LEN];
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orcirc = tor_malloc_zero(sizeof(*orcirc));
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circ = &(orcirc->base_);
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circ->magic = OR_CIRCUIT_MAGIC;
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circuit_set_n_circid_chan(circ, get_unique_circ_id_by_chan(nchan), nchan);
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cell_queue_init(&(circ->n_chan_cells));
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circ->n_hop = NULL;
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circ->streams_blocked_on_n_chan = 0;
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circ->streams_blocked_on_p_chan = 0;
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circ->n_delete_pending = 0;
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circ->p_delete_pending = 0;
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circ->received_destroy = 0;
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circ->state = CIRCUIT_STATE_OPEN;
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circ->purpose = CIRCUIT_PURPOSE_OR;
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circ->package_window = CIRCWINDOW_START_MAX;
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circ->deliver_window = CIRCWINDOW_START_MAX;
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circ->n_chan_create_cell = NULL;
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circuit_set_p_circid_chan(orcirc, get_unique_circ_id_by_chan(pchan), pchan);
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cell_queue_init(&(orcirc->p_chan_cells));
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memset(&tmp_cpath, 0, sizeof(tmp_cpath));
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if (cpath_init_circuit_crypto(&tmp_cpath, whatevs_key,
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sizeof(whatevs_key), 0, 0)<0) {
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log_warn(LD_BUG,"Circuit initialization failed");
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return NULL;
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}
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orcirc->crypto = tmp_cpath.pvt_crypto;
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return orcirc;
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}
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/** Free fake OR circuit which MUST be created by new_fake_orcirc(). */
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void
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free_fake_orcirc(or_circuit_t *orcirc)
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{
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if (!orcirc) {
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return;
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}
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circuit_t *circ = TO_CIRCUIT(orcirc);
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relay_crypto_clear(&orcirc->crypto);
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circpad_circuit_free_all_machineinfos(circ);
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if (orcirc->p_chan && orcirc->p_chan->cmux) {
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circuitmux_detach_circuit(orcirc->p_chan->cmux, circ);
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}
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if (circ->n_chan && circ->n_chan->cmux) {
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circuitmux_detach_circuit(circ->n_chan->cmux, circ);
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}
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tor_free_(circ);
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}
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