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Added tests for tor_addr_is_null/valid()

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Added tests for tor_addr_is_valid(),
and added tests for tor_addr_is_null(),
which is not modfied.
Ticket 33679
This commit is contained in:
MrSquanchee 2020-03-20 23:57:40 +05:30
parent 065ccda4f6
commit cbd3f88831
No known key found for this signature in database
GPG Key ID: FA046C6C87DEEF8E
3 changed files with 144 additions and 1 deletions
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4
changes/ticket33679 Normal file
View File

@ -0,0 +1,4 @@
o Minor features (IPv6 Support, address.c):
- Adds IPv6 support to tor_addr_is_valid(). Adds tests for the
above changes and tor_addr_is_null(). Closes ticket 33679.
Patch by MrSquanchee.

7
src/lib/net/address.c
View File

@ -817,7 +817,8 @@ tor_addr_is_loopback(const tor_addr_t *addr)
/* Is addr valid?
* Checks that addr is non-NULL and not tor_addr_is_null().
* If for_listening is true, IPv4 addr 0.0.0.0 is allowed.
* If for_listening is true, addr is allowed in either case if
* addr is 0.0.0.0 (for IPv4) or :: (for IPv6).
* It means "bind to all addresses on the local machine". */
int
tor_addr_is_valid(const tor_addr_t *addr, int for_listening)
@ -833,6 +834,10 @@ tor_addr_is_valid(const tor_addr_t *addr, int for_listening)
return 1;
}
if (for_listening && addr->family == AF_INET6) {
return 1;
}
/* Otherwise, the address is valid if it's not tor_addr_is_null() */
return !tor_addr_is_null(addr);
}

134
src/test/test_addr.c
View File

@ -1671,6 +1671,138 @@ test_addr_octal(void *arg)
;
}
#define get_ipv4(test_addr, str, iprv) STMT_BEGIN \
test_addr = tor_malloc(sizeof(tor_addr_t)); \
test_addr->family = AF_INET; \
iprv = tor_inet_aton(str, &test_addr->addr.in_addr); \
tor_assert(iprv); \
STMT_END;
#define get_ipv6(test_addr, str, iprv) STMT_BEGIN \
test_addr = tor_malloc(sizeof(tor_addr_t)); \
test_addr->family = AF_INET6; \
iprv = tor_inet_pton(AF_INET6, str, &test_addr->addr.in6_addr); \
tor_assert(iprv); \
STMT_END;
#define get_af_unix(test_addr) STMT_BEGIN \
test_addr = tor_malloc_zero(sizeof(tor_addr_t)); \
test_addr->family = AF_UNIX; \
STMT_END;
#define get_af_unspec(test_addr) STMT_BEGIN \
test_addr = tor_malloc_zero(sizeof(tor_addr_t)); \
test_addr->family = AF_UNSPEC; \
STMT_END;
#define TEST_ADDR_VALIDITY(a, lis, rv) STMT_BEGIN \
tor_assert(a); \
tt_int_op(tor_addr_is_valid(a, lis), OP_EQ, rv); \
STMT_END;
/* Here we can change the addresses we are testing for. */
#define IP4_TEST_ADDR "123.98.45.1"
#define IP6_TEST_ADDR "2001:0DB8:AC10:FE01::"
static void
test_addr_is_valid(void *arg)
{
(void)arg;
tor_addr_t *test_addr;
int iprv;
/* Tests for IPv4 addresses. */
/* Test for null IPv4 address. */
get_ipv4(test_addr, "0.0.0.0", iprv);
TEST_ADDR_VALIDITY(test_addr, 0, 0);
TEST_ADDR_VALIDITY(test_addr, 1, 1);
tor_free(test_addr);
/* Test for non-null IPv4 address. */
get_ipv4(test_addr, IP4_TEST_ADDR, iprv);
TEST_ADDR_VALIDITY(test_addr, 0, 1);
TEST_ADDR_VALIDITY(test_addr, 1, 1);
tor_free(test_addr);
/* Tests for IPv6 addresses. */
/* Test for null IPv6 address. */
get_ipv6(test_addr, "::", iprv);
TEST_ADDR_VALIDITY(test_addr, 0, 0);
TEST_ADDR_VALIDITY(test_addr, 1, 1);
tor_free(test_addr);
/* Test for non-null IPv6 address. */
get_ipv6(test_addr, IP6_TEST_ADDR, iprv);
TEST_ADDR_VALIDITY(test_addr, 0, 1);
TEST_ADDR_VALIDITY(test_addr, 1, 1);
tor_free(test_addr);
/* Test for address of type AF_UNIX. */
get_af_unix(test_addr);
TEST_ADDR_VALIDITY(test_addr, 0, 0);
TEST_ADDR_VALIDITY(test_addr, 1, 0);
tor_free(test_addr);
/* Test for address of type AF_UNSPEC. */
get_af_unspec(test_addr);
TEST_ADDR_VALIDITY(test_addr, 0, 0);
TEST_ADDR_VALIDITY(test_addr, 1, 0);
tor_free(test_addr);
done:
;
}
#define TEST_ADDR_IS_NULL(a, rv) STMT_BEGIN \
tor_assert(a); \
tt_int_op(tor_addr_is_null(a), OP_EQ, rv); \
STMT_END;
static void
test_addr_is_null(void *arg)
{
(void)arg;
tor_addr_t *test_addr;
int iprv;
/* Test for null IPv4. */
get_ipv4(test_addr, "0.0.0.0", iprv);
TEST_ADDR_IS_NULL(test_addr, 1);
tor_free(test_addr);
/* Test for non-null IPv4. */
get_ipv4(test_addr, IP4_TEST_ADDR, iprv);
TEST_ADDR_IS_NULL(test_addr, 0);
tor_free(test_addr);
/* Test for null IPv6. */
get_ipv6(test_addr, "::", iprv);
TEST_ADDR_IS_NULL(test_addr, 1);
tor_free(test_addr);
/* Test for non-null IPv6. */
get_ipv6(test_addr, IP6_TEST_ADDR, iprv);
TEST_ADDR_IS_NULL(test_addr, 0);
tor_free(test_addr);
/* Test for address family AF_UNIX. */
get_af_unix(test_addr);
TEST_ADDR_IS_NULL(test_addr, 1);
tor_free(test_addr);
/* Test for address family AF_UNSPEC. */
get_af_unspec(test_addr);
TEST_ADDR_IS_NULL(test_addr, 1);
tor_free(test_addr);
done:
;
}
#ifndef COCCI
#define ADDR_LEGACY(name) \
{ #name, test_addr_ ## name , 0, NULL, NULL }
@ -1690,5 +1822,7 @@ struct testcase_t addr_tests[] = {
{ "make_null", test_addr_make_null, 0, NULL, NULL },
{ "rfc6598", test_addr_rfc6598, 0, NULL, NULL },
{ "octal", test_addr_octal, 0, NULL, NULL },
{ "address_validity", test_addr_is_valid, 0, NULL, NULL },
{ "address_is_null", test_addr_is_null, 0, NULL, NULL },
END_OF_TESTCASES
};