bird/lib/ip_test.c

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C
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/*
* BIRD Library -- IP address functions Tests
*
* (c) 2015 CZ.NIC z.s.p.o.
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include "test/birdtest.h"
#include "lib/ip.h"
#define IP4_MAX_LEN 16
static int
test_ip4_pton(void *out_, const void *in_, const void *expected_out_)
{
ip_addr *out = out_;
const char *in = in_;
const ip_addr *expected_out = expected_out_;
ip4_addr ip4;
if (expected_out)
{
bt_assert(ip4_pton(in, &ip4));
*out = ipa_from_ip4(ip4);
return ipa_equal(*out, *expected_out);
}
else
return !ip4_pton(in, &ip4);
}
static int
test_ip6_pton(void *out_, const void *in_, const void *expected_out_)
{
ip_addr *out = out_;
const char *in = in_;
const ip_addr *expected_out = expected_out_;
if (expected_out)
{
bt_assert(ip6_pton(in, out));
return ipa_equal(*out, *expected_out);
}
else
return !ip6_pton(in, out);
}
static int
t_ip4_pton(void)
{
struct bt_pair test_vectors[] = {
{
.in = "192.168.1.128",
.out = & ipa_build4(192, 168, 1, 128),
},
{
.in = "255.255.255.255",
.out = & ipa_build4(255, 255, 255, 255),
},
{
.in = "0.0.0.0",
.out = & ipa_build4(0, 0, 0, 0),
},
};
return bt_assert_batch(test_vectors, test_ip4_pton, bt_fmt_str, bt_fmt_ipa);
}
static int
t_ip6_pton(void)
{
struct bt_pair test_vectors[] = {
{
.in = "2001:0db8:0000:0000:0000:0000:1428:57ab",
.out = & ipa_build6(0x20010DB8, 0x00000000, 0x00000000, 0x142857AB),
},
{
.in = "2001:0db8:0000:0000:0000::1428:57ab",
.out = & ipa_build6(0x20010DB8, 0x00000000, 0x00000000, 0x142857AB),
},
{
.in = "2001:0db8::1428:57ab",
.out = & ipa_build6(0x20010DB8, 0x00000000, 0x00000000, 0x142857AB),
},
{
.in = "2001:db8::1428:57ab",
.out = & ipa_build6(0x20010DB8, 0x00000000, 0x00000000, 0x142857AB),
},
{
.in = "::1",
.out = & ipa_build6(0x00000000, 0x00000000, 0x00000000, 0x00000001),
},
{
.in = "::",
.out = & ipa_build6(0x00000000, 0x00000000, 0x00000000, 0x00000000),
},
{
.in = "2605:2700:0:3::4713:93e3",
.out = & ipa_build6(0x26052700, 0x00000003, 0x00000000, 0x471393E3),
},
{
.in = "2605:2700:0:3:4713:93e3",
.out = NULL,
},
{
.in = "2",
.out = NULL,
},
};
return bt_assert_batch(test_vectors, test_ip6_pton, bt_fmt_str, bt_fmt_ipa);
}
static int
test_ipa_ntop(void *out_, const void *in_, const void *expected_out_)
{
char *out = out_;
const ip_addr *in = in_;
const char *expected_out = expected_out_;
if (ipa_is_ip4(*in))
ip4_ntop(ipa_to_ip4(*in), out);
else
ip6_ntop(ipa_to_ip6(*in), out);
int result = strncmp(out, expected_out, ipa_is_ip4(*in) ? IP4_MAX_TEXT_LENGTH : IP6_MAX_TEXT_LENGTH) == 0;
return result;
}
static int
t_ip4_ntop(void)
{
struct bt_pair test_vectors[] = {
{
.in = & ipa_build4(192, 168, 1, 128),
.out = "192.168.1.128",
},
{
.in = & ipa_build4(255, 255, 255, 255),
.out = "255.255.255.255",
},
{
.in = & ipa_build4(0, 0, 0, 1),
.out = "0.0.0.1",
},
};
return bt_assert_batch(test_vectors, test_ipa_ntop, bt_fmt_ipa, bt_fmt_str);
}
static int
t_ip6_ntop(void)
{
struct bt_pair test_vectors[] = {
{
.in = & ipa_build6(0x20010DB8, 0x00000000, 0x00000000, 0x142857AB),
.out = "2001:db8::1428:57ab",
},
{
.in = & ipa_build6(0x26052700, 0x00000003, 0x00000000, 0x471393E3),
.out = "2605:2700:0:3::4713:93e3",
},
};
return bt_assert_batch(test_vectors, test_ipa_ntop, bt_fmt_ipa, bt_fmt_str);
}
static int
t_ip4_prefix_equal(void)
{
bt_assert( ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x1234ffff), 16));
bt_assert(!ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x1234ffff), 17));
bt_assert( ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x12345000), 21));
bt_assert(!ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x12345000), 22));
bt_assert( ip4_prefix_equal(ip4_from_u32(0x00000000), ip4_from_u32(0xffffffff), 0));
bt_assert( ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x12345678), 0));
bt_assert( ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x12345678), 32));
bt_assert(!ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x12345679), 32));
bt_assert(!ip4_prefix_equal(ip4_from_u32(0x12345678), ip4_from_u32(0x92345678), 32));
return 1;
}
static int
t_ip6_prefix_equal(void)
{
bt_assert( ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
ip6_build(0x20010db8, 0x1234ffff, 0xfefefefe, 0xdcdcdcdc),
48));
bt_assert(!ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
ip6_build(0x20010db8, 0x1234ffff, 0xfefefefe, 0xdcdcdcdc),
49));
bt_assert(!ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
ip6_build(0x20020db8, 0x12345678, 0xfefefefe, 0xdcdcdcdc),
48));
bt_assert( ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
ip6_build(0x20010db8, 0x12345678, 0xfefefefe, 0xdcdcdcdc),
64));
bt_assert(!ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
ip6_build(0x20010db8, 0x1234567e, 0xfefefefe, 0xdcdcdcdc),
64));
bt_assert( ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20002020),
ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
106));
bt_assert(!ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20002020),
ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
107));
bt_assert( ip6_prefix_equal(ip6_build(0xfeef0db8, 0x87654321, 0x10101010, 0x20202020),
ip6_build(0x20010db8, 0x12345678, 0xfefefefe, 0xdcdcdcdc),
0));
bt_assert( ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
128));
bt_assert(!ip6_prefix_equal(ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202020),
ip6_build(0x20010db8, 0x12345678, 0x10101010, 0x20202021),
128));
return 1;
}
int
main(int argc, char *argv[])
{
bt_init(argc, argv);
bt_test_suite(t_ip4_pton, "Converting IPv4 string to ip4_addr struct");
bt_test_suite(t_ip6_pton, "Converting IPv6 string to ip6_addr struct");
bt_test_suite(t_ip4_ntop, "Converting ip4_addr struct to IPv4 string");
bt_test_suite(t_ip6_ntop, "Converting ip6_addr struct to IPv6 string");
bt_test_suite(t_ip4_prefix_equal, "Testing ip4_prefix_equal()");
bt_test_suite(t_ip6_prefix_equal, "Testing ip6_prefix_equal()");
return bt_exit_value();
}