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Merge remote-tracking branch 'dgoulet/ticket33235_045_01'

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This commit is contained in:
Nick Mathewson 2020-07-01 16:27:12 -04:00
commit 538b25241e
2 changed files with 629 additions and 5 deletions
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12
src/app/config/resolve_addr.c
View File

@ -193,6 +193,10 @@ get_address_from_config(const or_options_t *options, int warn_severity,
explicit_ip = true;
num_valid_addr++;
continue;
} else if (af != -1) {
/* Parsable address but just not the one from the family we want. Skip
* it so we don't attempt a resolve. */
continue;
}
/* Not an IP address. Considering this value a hostname and attempting to
@ -208,7 +212,7 @@ get_address_from_config(const or_options_t *options, int warn_severity,
/* Hostname that can't be resolved, this is a fatal error. */
log_fn(warn_severity, LD_CONFIG,
"Could not resolve local Address '%s'. Failing.", cfg->value);
return FN_RET_BAIL;
continue;
}
}
@ -216,8 +220,10 @@ get_address_from_config(const or_options_t *options, int warn_severity,
log_fn(warn_severity, LD_CONFIG,
"No Address option found for family %s in configuration.",
fmt_af_family(family));
/* No Address statement for family, inform caller to try next method. */
return FN_RET_NEXT;
/* No Address statement for family but one exists since Address is not
* NULL thus we have to stop now and not attempt to send back a guessed
* address. */
return FN_RET_BAIL;
}
if (num_valid_addr >= MAX_CONFIG_ADDRESS) {

622
src/test/test_config.c
View File

@ -1004,7 +1004,13 @@ tor_addr_lookup_01010101(const char *name, uint16_t family, tor_addr_t *addr)
if (name && addr) {
tor_addr_from_ipv4h(addr, 0x01010101);
}
} else if (family == AF_INET6) {
if (name && addr) {
int ret = tor_addr_parse(addr, "0101::0101");
tt_int_op(ret, OP_EQ, AF_INET6);
}
}
done:
return 0;
}
@ -1024,7 +1030,13 @@ tor_addr_lookup_localhost(const char *name, uint16_t family, tor_addr_t *addr)
if (name && addr) {
tor_addr_from_ipv4h(addr, 0x7f000001);
}
} else if (family == AF_INET6) {
if (name && addr) {
int ret = tor_addr_parse(addr, "::1");
tt_int_op(ret, OP_EQ, AF_INET6);
}
}
done:
return 0;
}
@ -1046,6 +1058,46 @@ tor_addr_lookup_failure(const char *name, uint16_t family, tor_addr_t *addr)
return -1;
}
/** Mock function for tor_addr_lookup().
*
* Depending on the given hostname and family, resolve either to IPv4 or IPv6.
*
* If the requested hostname family is not the same as the family provided, an
* error is returned.
*
* Possible hostnames:
* - www.torproject.org.v4 for IPv4 -> 1.1.1.1
* - www.torproject.org.v6 for IPv6 -> [0101::0101]
*/
static int
tor_addr_lookup_mixed(const char *name, uint16_t family, tor_addr_t *addr)
{
tt_assert(addr);
tt_assert(name);
if (!strcmp(name, "www.torproject.org.v4")) {
if (family == AF_INET) {
tor_addr_from_ipv4h(addr, 0x01010101);
return 0;
}
/* Resolving AF_INET but the asked family is different. Failure. */
return -1;
}
if (!strcmp(name, "www.torproject.org.v6")) {
if (family == AF_INET6) {
int ret = tor_addr_parse(addr, "0101::0101");
tt_int_op(ret, OP_EQ, AF_INET6);
return 0;
}
/* Resolving AF_INET6 but the asked family is not. Failure. */
return -1;
}
done:
return 0;
}
static int n_gethostname_replacement = 0;
/** This mock function is meant to replace tor_gethostname(). It
@ -1119,7 +1171,13 @@ get_interface_address6_08080808(int severity, sa_family_t family,
if (addr) {
tor_addr_from_ipv4h(addr, 0x08080808);
}
} else if (family == AF_INET6) {
if (addr) {
int ret = tor_addr_parse(addr, "0808::0808");
tt_int_op(ret, OP_EQ, AF_INET6);
}
}
done:
return 0;
}
@ -1169,8 +1227,566 @@ get_interface_address6_failure(int severity, sa_family_t family,
return -1;
}
/** Helper macro: to validate the returned value from find_my_address() so we
* don't copy those all the time. */
#undef VALIDATE_FOUND_ADDRESS
#define VALIDATE_FOUND_ADDRESS(ret, method, hostname) \
do { \
tt_int_op(retval, OP_EQ, ret); \
if (method == NULL) tt_assert(!method_used); \
else tt_str_op(method_used, OP_EQ, method); \
if (hostname == NULL) tt_assert(!hostname_out); \
else tt_str_op(hostname_out, OP_EQ, hostname); \
if (ret == true) { \
tt_assert(tor_addr_eq(&resolved_addr, &test_addr)); \
} \
} while (0)
/** Helper macro: Cleanup the address and variables used after a
* find_my_address() call. */
#undef CLEANUP_FOUND_ADDRESS
#define CLEANUP_FOUND_ADDRESS \
do { \
config_free_lines(options->Address); \
tor_free(options->DirAuthorities); \
tor_free(hostname_out); \
tor_addr_make_unspec(&resolved_addr); \
tor_addr_make_unspec(&test_addr); \
} while (0)
/** Test both IPv4 and IPv6 coexisting together in the configuration. */
static void
test_config_find_my_address(void *arg)
test_config_find_my_address_mixed(void *arg)
{
or_options_t *options;
tor_addr_t resolved_addr, test_addr;
const char *method_used;
char *hostname_out = NULL;
bool retval;
(void)arg;
options = options_new();
options_init(options);
/*
* CASE 1: Only IPv6 address. Accepted.
*/
config_line_append(&options->Address, "Address",
"2a01:4f8:fff0:4f:266:37ff:fe2c:5d19");
tor_addr_parse(&test_addr, "2a01:4f8:fff0:4f:266:37ff:fe2c:5d19");
/* IPv4 address not guessed since one Address statement exists. */
retval = find_my_address(options, AF_INET, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
VALIDATE_FOUND_ADDRESS(false, NULL, NULL);
/* IPv6 address should be found and considered configured. */
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
VALIDATE_FOUND_ADDRESS(true, "CONFIGURED", NULL);
CLEANUP_FOUND_ADDRESS;
/*
* Case 2: IPv4 _and_ IPv6 given. Accepted.
*/
config_line_append(&options->Address, "Address",
"2a01:4f8:fff0:4f:266:37ff:fe2c:5d19");
config_line_append(&options->Address, "Address", "1.1.1.1");
tor_addr_parse(&test_addr, "1.1.1.1");
/* IPv4 address should be found and considered configured. */
retval = find_my_address(options, AF_INET, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
VALIDATE_FOUND_ADDRESS(true, "CONFIGURED", NULL);
/* IPv6 address should be found and considered configured. */
tor_addr_parse(&test_addr, "2a01:4f8:fff0:4f:266:37ff:fe2c:5d19");
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
VALIDATE_FOUND_ADDRESS(true, "CONFIGURED", NULL);
CLEANUP_FOUND_ADDRESS;
/*
* Case 3: Two hostnames, IPv4 and IPv6.
*/
config_line_append(&options->Address, "Address", "www.torproject.org.v4");
config_line_append(&options->Address, "Address", "www.torproject.org.v6");
/* Looks at specific hostname to learn which address family to use. */
MOCK(tor_addr_lookup, tor_addr_lookup_mixed);
/* IPv4 address should be found and considered resolved. */
tor_addr_parse(&test_addr, "1.1.1.1");
retval = find_my_address(options, AF_INET, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
VALIDATE_FOUND_ADDRESS(true, "RESOLVED", "www.torproject.org.v4");
/* IPv6 address should be found and considered resolved. */
tor_addr_parse(&test_addr, "0101::0101");
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
VALIDATE_FOUND_ADDRESS(true, "RESOLVED", "www.torproject.org.v6");
CLEANUP_FOUND_ADDRESS;
UNMOCK(tor_addr_lookup);
/*
* Case 4: IPv4 address and a hostname resolving to IPV6.
*/
config_line_append(&options->Address, "Address", "1.1.1.1");
config_line_append(&options->Address, "Address", "www.torproject.org.v6");
/* Looks at specific hostname to learn which address family to use. */
MOCK(tor_addr_lookup, tor_addr_lookup_mixed);
/* IPv4 address should be found and configured. */
tor_addr_parse(&test_addr, "1.1.1.1");
retval = find_my_address(options, AF_INET, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
VALIDATE_FOUND_ADDRESS(true, "CONFIGURED", NULL);
/* IPv6 address should be found and considered resolved. */
tor_addr_parse(&test_addr, "0101::0101");
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
VALIDATE_FOUND_ADDRESS(true, "RESOLVED", "www.torproject.org.v6");
CLEANUP_FOUND_ADDRESS;
UNMOCK(tor_addr_lookup);
/*
* Case 5: Hostname resolving to IPv4 and an IPv6 address.
*/
config_line_append(&options->Address, "Address", "0101::0101");
config_line_append(&options->Address, "Address", "www.torproject.org.v4");
/* Looks at specific hostname to learn which address family to use. */
MOCK(tor_addr_lookup, tor_addr_lookup_mixed);
/* IPv4 address should be found and resolved. */
tor_addr_parse(&test_addr, "1.1.1.1");
retval = find_my_address(options, AF_INET, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
VALIDATE_FOUND_ADDRESS(true, "RESOLVED", "www.torproject.org.v4");
/* IPv6 address should be found and considered resolved. */
tor_addr_parse(&test_addr, "0101::0101");
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
VALIDATE_FOUND_ADDRESS(true, "CONFIGURED", NULL);
CLEANUP_FOUND_ADDRESS;
UNMOCK(tor_addr_lookup);
done:
config_free_lines(options->Address);
or_options_free(options);
tor_free(hostname_out);
UNMOCK(tor_addr_lookup);
}
static void
test_config_find_my_address_v6(void *arg)
{
or_options_t *options;
tor_addr_t resolved_addr, test_addr;
const char *method_used;
char *hostname_out = NULL;
bool retval;
int prev_n_hostname_01010101;
int prev_n_hostname_localhost;
int prev_n_hostname_failure;
int prev_n_gethostname_replacement;
int prev_n_gethostname_failure;
int prev_n_gethostname_localhost;
int prev_n_get_interface_address6;
int prev_n_get_interface_address6_failure;
(void)arg;
options = options_new();
options_init(options);
/*
* CASE 1:
* If options->Address is a valid IPv6 address string, we want
* the corresponding address to be parsed and returned.
*/
config_line_append(&options->Address, "Address",
"2a01:4f8:fff0:4f:266:37ff:fe2c:5d19");
tor_addr_parse(&test_addr, "2a01:4f8:fff0:4f:266:37ff:fe2c:5d19");
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
tt_want(retval == true);
tt_want_str_op(method_used, OP_EQ, "CONFIGURED");
tt_want(hostname_out == NULL);
tt_assert(tor_addr_eq(&resolved_addr, &test_addr));
config_free_lines(options->Address);
/*
* CASE 2:
* If options->Address is a valid DNS address, we want find_my_address()
* function to ask tor_addr_lookup() for help with resolving it
* and return the address that was resolved (in host order).
*/
MOCK(tor_addr_lookup, tor_addr_lookup_01010101);
config_line_append(&options->Address, "Address", "www.torproject.org");
tor_addr_parse(&test_addr, "0101::0101");
prev_n_hostname_01010101 = n_hostname_01010101;
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
tt_want(retval == true);
tt_want(n_hostname_01010101 == prev_n_hostname_01010101 + 1);
tt_want_str_op(method_used, OP_EQ, "RESOLVED");
tt_want_str_op(hostname_out, OP_EQ, "www.torproject.org");
tt_assert(tor_addr_eq(&resolved_addr, &test_addr));
UNMOCK(tor_addr_lookup);
config_free_lines(options->Address);
tor_free(hostname_out);
/*
* CASE 3:
* Given that options->Address is NULL, we want find_my_address()
* to try and use tor_gethostname() to get hostname AND use
* tor_addr_lookup() to get IP address.
*/
tor_addr_make_unspec(&resolved_addr);
options->Address = NULL;
tor_addr_parse(&test_addr, "0101::0101");
MOCK(tor_gethostname, tor_gethostname_replacement);
MOCK(tor_addr_lookup, tor_addr_lookup_01010101);
prev_n_gethostname_replacement = n_gethostname_replacement;
prev_n_hostname_01010101 = n_hostname_01010101;
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
tt_want(retval == true);
tt_want(n_gethostname_replacement == prev_n_gethostname_replacement + 1);
tt_want(n_hostname_01010101 == prev_n_hostname_01010101 + 1);
tt_want_str_op(method_used, OP_EQ, "GETHOSTNAME");
tt_want_str_op(hostname_out, OP_EQ, "onionrouter!");
tt_assert(tor_addr_eq(&resolved_addr, &test_addr));
UNMOCK(tor_gethostname);
UNMOCK(tor_addr_lookup);
tor_free(hostname_out);
/*
* CASE 4:
* Given that options->Address is a local host address, we want
* find_my_address() function to fail.
*/
tor_addr_make_unspec(&resolved_addr);
config_line_append(&options->Address, "Address", "::1");
tor_addr_parse(&test_addr, "::1");
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
tt_want(tor_addr_is_null(&resolved_addr) == 1);
tt_want(retval == false);
config_free_lines(options->Address);
tor_free(hostname_out);
/*
* CASE 5:
* We want find_my_address() to fail if DNS address in options->Address
* cannot be resolved.
*/
MOCK(tor_addr_lookup, tor_addr_lookup_failure);
prev_n_hostname_failure = n_hostname_failure;
config_line_append(&options->Address, "Address", "www.tor-project.org");
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
tt_want(n_hostname_failure == prev_n_hostname_failure + 1);
tt_want(tor_addr_is_null(&resolved_addr) == 1);
tt_want(retval == false);
UNMOCK(tor_addr_lookup);
config_free_lines(options->Address);
options->Address = NULL;
tor_free(hostname_out);
/*
* CASE 6:
* If options->Address is NULL AND gettting local hostname fails, we want
* find_my_address() to fail as well.
*/
MOCK(tor_gethostname,tor_gethostname_failure);
prev_n_gethostname_failure = n_gethostname_failure;
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
tt_want(n_gethostname_failure == prev_n_gethostname_failure + 1);
tt_want(tor_addr_is_null(&resolved_addr) == 1);
tt_want(retval == false);
UNMOCK(tor_gethostname);
tor_free(hostname_out);
/*
* CASE 7:
* We want find_my_address() to try and get network interface address via
* get_interface_address() if hostname returned by tor_gethostname() cannot
* be resolved into IP address.
*/
MOCK(tor_gethostname, tor_gethostname_replacement);
MOCK(tor_addr_lookup, tor_addr_lookup_failure);
MOCK(get_interface_address6, get_interface_address6_08080808);
tor_addr_parse(&test_addr, "0808::0808");
prev_n_gethostname_replacement = n_gethostname_replacement;
prev_n_get_interface_address6 = n_get_interface_address6;
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
tt_want(retval == true);
tt_want_int_op(n_gethostname_replacement, OP_EQ,
prev_n_gethostname_replacement + 1);
tt_want_int_op(n_get_interface_address6, OP_EQ,
prev_n_get_interface_address6 + 1);
tt_want_str_op(method_used, OP_EQ, "INTERFACE");
tt_want(hostname_out == NULL);
tt_assert(tor_addr_eq(&resolved_addr, &test_addr));
UNMOCK(get_interface_address);
tor_free(hostname_out);
/*
* CASE 8:
* Suppose options->Address is NULL AND hostname returned by
* tor_gethostname() is unresolvable. We want find_my_address to fail if
* get_interface_address() fails.
*/
MOCK(get_interface_address6, get_interface_address6_failure);
prev_n_get_interface_address6_failure = n_get_interface_address6_failure;
prev_n_gethostname_replacement = n_gethostname_replacement;
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
tt_want(n_get_interface_address6_failure ==
prev_n_get_interface_address6_failure + 1);
tt_want(n_gethostname_replacement ==
prev_n_gethostname_replacement + 1);
tt_want(retval == false);
UNMOCK(get_interface_address);
tor_free(hostname_out);
/*
* CASE 9:
* Given that options->Address is NULL AND tor_addr_lookup()
* fails AND hostname returned by gethostname() resolves
* to local IP address, we want find_my_address() function to
* call get_interface_address6(.,AF_INET6,.) and return IP address
* the latter function has found.
*/
MOCK(tor_addr_lookup, tor_addr_lookup_failure);
MOCK(tor_gethostname, tor_gethostname_replacement);
MOCK(get_interface_address6, get_interface_address6_08080808);
tor_addr_parse(&test_addr, "0808::0808");
prev_n_gethostname_replacement = n_gethostname_replacement;
prev_n_hostname_failure = n_hostname_failure;
prev_n_get_interface_address6 = n_get_interface_address6;
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
tt_want(last_address6_family == AF_INET6);
tt_want(n_get_interface_address6 == prev_n_get_interface_address6 + 1);
tt_want(n_hostname_failure == prev_n_hostname_failure + 1);
tt_want(n_gethostname_replacement == prev_n_gethostname_replacement + 1);
tt_want(retval == true);
tt_want_str_op(method_used, OP_EQ, "INTERFACE");
tt_assert(tor_addr_eq(&resolved_addr, &test_addr));
UNMOCK(tor_addr_lookup);
UNMOCK(tor_gethostname);
UNMOCK(get_interface_address6);
tor_free(hostname_out);
/*
* CASE 10: We want find_my_address() to fail if all of the following
* are true:
* 1. options->Address is not NULL
* 2. ... but it cannot be converted to struct in_addr by
* tor_inet_aton()
* 3. ... and tor_addr_lookup() fails to resolve the
* options->Address
*/
MOCK(tor_addr_lookup, tor_addr_lookup_failure);
prev_n_hostname_failure = n_hostname_failure;
config_line_append(&options->Address, "Address", "some_hostname");
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
tt_want(n_hostname_failure == prev_n_hostname_failure + 1);
tt_want(retval == false);
UNMOCK(tor_gethostname);
UNMOCK(tor_addr_lookup);
tor_free(hostname_out);
/*
* CASE 11:
* Suppose the following sequence of events:
* 1. options->Address is NULL
* 2. tor_gethostname() succeeds to get hostname of machine Tor
* if running on.
* 3. Hostname from previous step cannot be converted to
* address by using tor_inet_aton() function.
* 4. However, tor_addr_lookup() succeeds in resolving the
* hostname from step 2.
* 5. Unfortunately, tor_addr_is_internal() deems this address
* to be internal.
* 6. get_interface_address6(.,AF_INET,.) returns non-internal
* IPv4
*
* We want resolve_my_addr() to succeed with method "INTERFACE"
* and address from step 6.
*/
config_free_lines(options->Address);
options->Address = NULL;
tor_addr_parse(&test_addr, "0808::0808");
MOCK(tor_gethostname, tor_gethostname_replacement);
MOCK(tor_addr_lookup, tor_addr_lookup_localhost);
MOCK(get_interface_address6, get_interface_address6_08080808);
prev_n_gethostname_replacement = n_gethostname_replacement;
prev_n_hostname_localhost = n_hostname_localhost;
prev_n_get_interface_address6 = n_get_interface_address6;
retval = find_my_address(options, AF_INET6, LOG_NOTICE, &resolved_addr,
&method_used, &hostname_out);
tt_want(n_gethostname_replacement == prev_n_gethostname_replacement + 1);
tt_want(n_hostname_localhost == prev_n_hostname_localhost + 1);
tt_want(n_get_interface_address6 == prev_n_get_interface_address6 + 1);
tt_str_op(method_used, OP_EQ, "INTERFACE");
tt_ptr_op(hostname_out, OP_EQ, NULL);
tt_want(retval == true);
tt_assert(tor_addr_eq(&resolved_addr, &test_addr));
/*
* CASE 11b:
* 1-5 as above.
* 6. get_interface_address6() fails.
*
* In this subcase, we want find_my_address() to fail.
*/
UNMOCK(get_interface_address6);
MOCK(get_interface_address6, get_interface_address6_failure);
prev_n_gethostname_replacement = n_gethostname_replacement;
prev_n_hostname_localhost = n_hostname_localhost;
prev_n_get_interface_address6_failure = n_get_interface_address6_failure;
retval = find_my_address(options, AF_INET6, LOG_DEBUG, &resolved_addr,
&method_used, &hostname_out);
tt_want(n_gethostname_replacement == prev_n_gethostname_replacement + 1);
tt_want(n_hostname_localhost == prev_n_hostname_localhost + 1);
tt_want(n_get_interface_address6_failure ==
prev_n_get_interface_address6_failure + 1);
tt_want(retval == false);
UNMOCK(tor_gethostname);
UNMOCK(tor_addr_lookup);
UNMOCK(get_interface_address6);
/* CASE 12:
* Suppose the following happens:
* 1. options->Address is NULL AND options->DirAuthorities is non-NULL
* 2. tor_gethostname() succeeds in getting hostname of a machine ...
* 3. ... which is successfully parsed by tor_inet_aton() ...
* 4. into IPv4 address that tor_addr_is_inernal() considers to be
* internal.
*
* In this case, we want find_my_address() to fail.
*/
tor_free(options->Address);
options->Address = NULL;
options->DirAuthorities = tor_malloc_zero(sizeof(config_line_t));
MOCK(tor_gethostname,tor_gethostname_localhost);
prev_n_gethostname_localhost = n_gethostname_localhost;
retval = find_my_address(options, AF_INET6, LOG_DEBUG, &resolved_addr,
&method_used, &hostname_out);
tt_want(n_gethostname_localhost == prev_n_gethostname_localhost + 1);
tt_want(retval == false);
UNMOCK(tor_gethostname);
done:
config_free_lines(options->Address);
tor_free(options->DirAuthorities);
or_options_free(options);
tor_free(hostname_out);
UNMOCK(tor_gethostname);
UNMOCK(tor_addr_lookup);
UNMOCK(get_interface_address);
UNMOCK(get_interface_address6);
UNMOCK(tor_gethostname);
}
static void
test_config_find_my_address_v4(void *arg)
{
or_options_t *options;
tor_addr_t resolved_addr, test_addr;
@ -6245,7 +6861,9 @@ struct testcase_t config_tests[] = {
CONFIG_TEST(adding_dir_servers, TT_FORK),
CONFIG_TEST(default_dir_servers, TT_FORK),
CONFIG_TEST(default_fallback_dirs, 0),
CONFIG_TEST(find_my_address, TT_FORK),
CONFIG_TEST(find_my_address_v4, TT_FORK),
CONFIG_TEST(find_my_address_v6, TT_FORK),
CONFIG_TEST(find_my_address_mixed, TT_FORK),
CONFIG_TEST(addressmap, 0),
CONFIG_TEST(parse_bridge_line, 0),
CONFIG_TEST(parse_transport_options_line, 0),