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tor/src/test/test_socks.c

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/* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2013, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#include "or.h"
#include "buffers.h"
#include "config.h"
#include "test.h"
typedef struct socks_test_data_t {
socks_request_t *req;
buf_t *buf;
} socks_test_data_t;
static void *
socks_test_setup(const struct testcase_t *testcase)
{
socks_test_data_t *data = tor_malloc(sizeof(socks_test_data_t));
(void)testcase;
data->buf = buf_new_with_capacity(256);
data->req = socks_request_new();
config_register_addressmaps(get_options());
return data;
}
static int
socks_test_cleanup(const struct testcase_t *testcase, void *ptr)
{
socks_test_data_t *data = ptr;
(void)testcase;
buf_free(data->buf);
socks_request_free(data->req);
tor_free(data);
return 1;
}
const struct testcase_setup_t socks_setup = {
socks_test_setup, socks_test_cleanup
};
#define SOCKS_TEST_INIT() \
socks_test_data_t *testdata = ptr; \
buf_t *buf = testdata->buf; \
socks_request_t *socks = testdata->req;
#define ADD_DATA(buf, s) \
write_to_buf(s, sizeof(s)-1, buf)
static void
socks_request_clear(socks_request_t *socks)
{
tor_free(socks->username);
tor_free(socks->password);
memset(socks, 0, sizeof(socks_request_t));
}
/** Perform unsupported SOCKS 4 commands */
static void
test_socks_4_unsupported_commands(void *ptr)
{
SOCKS_TEST_INIT();
/* SOCKS 4 Send BIND [02] to IP address 2.2.2.2:4369 */
ADD_DATA(buf, "\x04\x02\x11\x11\x02\x02\x02\x02\x00");
test_assert(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks) == -1);
test_eq(4, socks->socks_version);
test_eq(0, socks->replylen); /* XXX: shouldn't tor reply? */
done:
;
}
/** Perform supported SOCKS 4 commands */
static void
test_socks_4_supported_commands(void *ptr)
{
SOCKS_TEST_INIT();
test_eq(0, buf_datalen(buf));
/* SOCKS 4 Send CONNECT [01] to IP address 2.2.2.2:4370 */
ADD_DATA(buf, "\x04\x01\x11\x12\x02\x02\x02\x03\x00");
test_assert(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks) == 1);
test_eq(4, socks->socks_version);
test_eq(0, socks->replylen); /* XXX: shouldn't tor reply? */
test_eq(SOCKS_COMMAND_CONNECT, socks->command);
test_streq("2.2.2.3", socks->address);
test_eq(4370, socks->port);
test_assert(socks->got_auth == 0);
test_assert(! socks->username);
test_eq(0, buf_datalen(buf));
socks_request_clear(socks);
/* SOCKS 4 Send CONNECT [01] to IP address 2.2.2.2:4369 with userid*/
ADD_DATA(buf, "\x04\x01\x11\x12\x02\x02\x02\x04me\x00");
test_assert(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks) == 1);
test_eq(4, socks->socks_version);
test_eq(0, socks->replylen); /* XXX: shouldn't tor reply? */
test_eq(SOCKS_COMMAND_CONNECT, socks->command);
test_streq("2.2.2.4", socks->address);
test_eq(4370, socks->port);
test_assert(socks->got_auth == 1);
test_assert(socks->username);
test_eq(2, socks->usernamelen);
test_memeq("me", socks->username, 2);
test_eq(0, buf_datalen(buf));
socks_request_clear(socks);
/* SOCKS 4a Send RESOLVE [F0] request for torproject.org */
ADD_DATA(buf, "\x04\xF0\x01\x01\x00\x00\x00\x02me\x00torproject.org\x00");
test_assert(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks) == 1);
test_eq(4, socks->socks_version);
test_eq(0, socks->replylen); /* XXX: shouldn't tor reply? */
test_streq("torproject.org", socks->address);
test_eq(0, buf_datalen(buf));
done:
;
}
/** Perform unsupported SOCKS 5 commands */
static void
test_socks_5_unsupported_commands(void *ptr)
{
SOCKS_TEST_INIT();
/* SOCKS 5 Send unsupported BIND [02] command */
ADD_DATA(buf, "\x05\x02\x00\x01");
test_eq(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks), 0);
test_eq(0, buf_datalen(buf));
test_eq(5, socks->socks_version);
test_eq(2, socks->replylen);
test_eq(5, socks->reply[0]);
test_eq(0, socks->reply[1]);
ADD_DATA(buf, "\x05\x02\x00\x01\x02\x02\x02\x01\x01\x01");
test_eq(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks), -1);
/* XXX: shouldn't tor reply 'command not supported' [07]? */
buf_clear(buf);
socks_request_clear(socks);
/* SOCKS 5 Send unsupported UDP_ASSOCIATE [03] command */
ADD_DATA(buf, "\x05\x03\x00\x01\x02");
test_eq(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks), 0);
test_eq(5, socks->socks_version);
test_eq(2, socks->replylen);
test_eq(5, socks->reply[0]);
test_eq(2, socks->reply[1]);
ADD_DATA(buf, "\x05\x03\x00\x01\x02\x02\x02\x01\x01\x01");
test_eq(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks), -1);
/* XXX: shouldn't tor reply 'command not supported' [07]? */
done:
;
}
/** Perform supported SOCKS 5 commands */
static void
test_socks_5_supported_commands(void *ptr)
{
SOCKS_TEST_INIT();
/* SOCKS 5 Send CONNECT [01] to IP address 2.2.2.2:4369 */
ADD_DATA(buf, "\x05\x01\x00");
test_eq(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks), 0);
test_eq(5, socks->socks_version);
test_eq(2, socks->replylen);
test_eq(5, socks->reply[0]);
test_eq(0, socks->reply[1]);
ADD_DATA(buf, "\x05\x01\x00\x01\x02\x02\x02\x02\x11\x11");
test_eq(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks), 1);
test_streq("2.2.2.2", socks->address);
test_eq(4369, socks->port);
test_eq(0, buf_datalen(buf));
socks_request_clear(socks);
/* SOCKS 5 Send CONNECT [01] to FQDN torproject.org:4369 */
ADD_DATA(buf, "\x05\x01\x00");
ADD_DATA(buf, "\x05\x01\x00\x03\x0Etorproject.org\x11\x11");
test_eq(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks), 1);
test_eq(5, socks->socks_version);
test_eq(2, socks->replylen);
test_eq(5, socks->reply[0]);
test_eq(0, socks->reply[1]);
test_streq("torproject.org", socks->address);
test_eq(4369, socks->port);
test_eq(0, buf_datalen(buf));
socks_request_clear(socks);
/* SOCKS 5 Send RESOLVE [F0] request for torproject.org:4369 */
ADD_DATA(buf, "\x05\x01\x00");
ADD_DATA(buf, "\x05\xF0\x00\x03\x0Etorproject.org\x01\x02");
test_assert(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks) == 1);
test_eq(5, socks->socks_version);
test_eq(2, socks->replylen);
test_eq(5, socks->reply[0]);
test_eq(0, socks->reply[1]);
test_streq("torproject.org", socks->address);
test_eq(0, buf_datalen(buf));
socks_request_clear(socks);
/* SOCKS 5 Send RESOLVE_PTR [F1] for IP address 2.2.2.5 */
ADD_DATA(buf, "\x05\x01\x00");
ADD_DATA(buf, "\x05\xF1\x00\x01\x02\x02\x02\x05\x01\x03");
test_assert(fetch_from_buf_socks(buf, socks, get_options()->TestSocks,
get_options()->SafeSocks) == 1);
test_eq(5, socks->socks_version);
test_eq(2, socks->replylen);
test_eq(5, socks->reply[0]);
test_eq(0, socks->reply[1]);
test_streq("2.2.2.5", socks->address);
test_eq(0, buf_datalen(buf));
done:
;
}
/** Perform SOCKS 5 authentication */
static void
test_socks_5_no_authenticate(void *ptr)
{
SOCKS_TEST_INIT();
/*SOCKS 5 No Authentication */
ADD_DATA(buf,"\x05\x01\x00");
test_assert(!fetch_from_buf_socks(buf, socks,
get_options()->TestSocks,
get_options()->SafeSocks));
test_eq(2, socks->replylen);
test_eq(5, socks->reply[0]);
test_eq(SOCKS_NO_AUTH, socks->reply[1]);
test_eq(0, buf_datalen(buf));
/*SOCKS 5 Send username/password anyway - pretend to be broken */
ADD_DATA(buf,"\x01\x02\x01\x01\x02\x01\x01");
test_assert(!fetch_from_buf_socks(buf, socks,
get_options()->TestSocks,
get_options()->SafeSocks));
test_eq(5, socks->socks_version);
test_eq(2, socks->replylen);
test_eq(1, socks->reply[0]);
test_eq(0, socks->reply[1]);
test_eq(2, socks->usernamelen);
test_eq(2, socks->passwordlen);
test_memeq("\x01\x01", socks->username, 2);
test_memeq("\x01\x01", socks->password, 2);
done:
;
}
/** Perform SOCKS 5 authentication */
static void
test_socks_5_authenticate(void *ptr)
{
SOCKS_TEST_INIT();
/* SOCKS 5 Negotiate username/password authentication */
ADD_DATA(buf, "\x05\x01\x02");
test_assert(!fetch_from_buf_socks(buf, socks,
get_options()->TestSocks,
get_options()->SafeSocks));
test_eq(2, socks->replylen);
test_eq(5, socks->reply[0]);
test_eq(SOCKS_USER_PASS, socks->reply[1]);
test_eq(5, socks->socks_version);
test_eq(0, buf_datalen(buf));
/* SOCKS 5 Send username/password */
ADD_DATA(buf, "\x01\x02me\x08mypasswd");
test_assert(!fetch_from_buf_socks(buf, socks,
get_options()->TestSocks,
get_options()->SafeSocks));
test_eq(5, socks->socks_version);
test_eq(2, socks->replylen);
test_eq(1, socks->reply[0]);
test_eq(0, socks->reply[1]);
test_eq(2, socks->usernamelen);
test_eq(8, socks->passwordlen);
test_memeq("me", socks->username, 2);
test_memeq("mypasswd", socks->password, 8);
done:
;
}
/** Perform SOCKS 5 authentication and send data all in one go */
static void
test_socks_5_authenticate_with_data(void *ptr)
{
SOCKS_TEST_INIT();
/* SOCKS 5 Negotiate username/password authentication */
ADD_DATA(buf, "\x05\x01\x02");
test_assert(!fetch_from_buf_socks(buf, socks,
get_options()->TestSocks,
get_options()->SafeSocks));
test_eq(2, socks->replylen);
test_eq(5, socks->reply[0]);
test_eq(SOCKS_USER_PASS, socks->reply[1]);
test_eq(5, socks->socks_version);
test_eq(0, buf_datalen(buf));
/* SOCKS 5 Send username/password */
/* SOCKS 5 Send CONNECT [01] to IP address 2.2.2.2:4369 */
ADD_DATA(buf, "\x01\x02me\x03you\x05\x01\x00\x01\x02\x02\x02\x02\x11\x11");
test_assert(fetch_from_buf_socks(buf, socks,
get_options()->TestSocks,
get_options()->SafeSocks) == 1);
test_eq(5, socks->socks_version);
test_eq(2, socks->replylen);
test_eq(1, socks->reply[0]);
test_eq(0, socks->reply[1]);
test_streq("2.2.2.2", socks->address);
test_eq(4369, socks->port);
test_eq(2, socks->usernamelen);
test_eq(3, socks->passwordlen);
test_memeq("me", socks->username, 2);
test_memeq("you", socks->password, 3);
done:
;
}
/** Perform SOCKS 5 authentication before method negotiated */
static void
test_socks_5_auth_before_negotiation(void *ptr)
{
SOCKS_TEST_INIT();
/* SOCKS 5 Send username/password */
ADD_DATA(buf, "\x01\x02me\x02me");
test_assert(fetch_from_buf_socks(buf, socks,
get_options()->TestSocks,
get_options()->SafeSocks) == -1);
test_eq(0, socks->socks_version);
test_eq(0, socks->replylen);
test_eq(0, socks->reply[0]);
test_eq(0, socks->reply[1]);
done:
;
}
#define SOCKSENT(name) \
{ #name, test_socks_##name, TT_FORK, &socks_setup, NULL }
struct testcase_t socks_tests[] = {
SOCKSENT(4_unsupported_commands),
SOCKSENT(4_supported_commands),
SOCKSENT(5_unsupported_commands),
SOCKSENT(5_supported_commands),
SOCKSENT(5_no_authenticate),
SOCKSENT(5_auth_before_negotiation),
SOCKSENT(5_authenticate),
SOCKSENT(5_authenticate_with_data),
END_OF_TESTCASES
};
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