1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* Copyright (c) 2019-2020, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file fakecircs.c
* \brief Fake circuits API for unit test.
**/
#define CIRCUITBUILD_PRIVATE
#define CIRCUITLIST_PRIVATE
#define CRYPT_PATH_PRIVATE
#include "core/or/or.h"
#include "core/crypto/relay_crypto.h"
#include "core/or/channel.h"
#include "core/or/circuitbuild.h"
#include "core/or/circuitlist.h"
#include "core/or/circuitpadding.h"
#include "core/or/crypt_path.h"
#include "core/or/relay.h"
#include "core/or/relay_crypto_st.h"
#include "test/fakecircs.h"
/** Return newly allocated OR circuit using the given nchan and pchan. It must
* be freed with the free_fake_orcirc(). */
or_circuit_t *
new_fake_orcirc(channel_t *nchan, channel_t *pchan)
{
or_circuit_t *orcirc = NULL;
circuit_t *circ = NULL;
crypt_path_t tmp_cpath;
char whatevs_key[CPATH_KEY_MATERIAL_LEN];
orcirc = tor_malloc_zero(sizeof(*orcirc));
circ = &(orcirc->base_);
circ->magic = OR_CIRCUIT_MAGIC;
circuit_set_n_circid_chan(circ, get_unique_circ_id_by_chan(nchan), nchan);
cell_queue_init(&(circ->n_chan_cells));
circ->n_hop = NULL;
circ->streams_blocked_on_n_chan = 0;
circ->streams_blocked_on_p_chan = 0;
circ->n_delete_pending = 0;
circ->p_delete_pending = 0;
circ->received_destroy = 0;
circ->state = CIRCUIT_STATE_OPEN;
circ->purpose = CIRCUIT_PURPOSE_OR;
circ->package_window = CIRCWINDOW_START_MAX;
circ->deliver_window = CIRCWINDOW_START_MAX;
circ->n_chan_create_cell = NULL;
circuit_set_p_circid_chan(orcirc, get_unique_circ_id_by_chan(pchan), pchan);
cell_queue_init(&(orcirc->p_chan_cells));
memset(&tmp_cpath, 0, sizeof(tmp_cpath));
if (cpath_init_circuit_crypto(&tmp_cpath, whatevs_key,
sizeof(whatevs_key), 0, 0)<0) {
log_warn(LD_BUG,"Circuit initialization failed");
return NULL;
}
orcirc->crypto = tmp_cpath.pvt_crypto;
return orcirc;
}
/** Free fake OR circuit which MUST be created by new_fake_orcirc(). */
void
free_fake_orcirc(or_circuit_t *orcirc)
{
if (!orcirc) {
return;
}
circuit_t *circ = TO_CIRCUIT(orcirc);
relay_crypto_clear(&orcirc->crypto);
circpad_circuit_free_all_machineinfos(circ);
if (orcirc->p_chan && orcirc->p_chan->cmux) {
circuitmux_detach_circuit(orcirc->p_chan->cmux, circ);
}
if (circ->n_chan && circ->n_chan->cmux) {
circuitmux_detach_circuit(circ->n_chan->cmux, circ);
}
tor_free_(circ);
}
|
