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glibc/resolv/tst-inet_pton.c

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/* Test inet_pton functions.
Copyright (C) 2017-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <arpa/inet.h>
#include <resolv/resolv-internal.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <support/check.h>
#include <support/next_to_fault.h>
#include <support/xunistd.h>
#include <unistd.h>
struct test_case
{
/* The input data. */
const char *input;
/* True if AF_INET parses successfully. */
bool ipv4_ok;
/* True if AF_INET6 parses successfully. */
bool ipv6_ok;
/* Expected result for AF_INET. */
unsigned char ipv4_expected[4];
/* Expected result for AF_INET6. */
unsigned char ipv6_expected[16];
};
static void
check_result (const char *what, const struct test_case *t, int family,
void *result_buffer, int inet_ret)
{
TEST_VERIFY_EXIT (inet_ret >= -1);
TEST_VERIFY_EXIT (inet_ret <= 1);
int ok;
const unsigned char *expected;
size_t result_size;
switch (family)
{
case AF_INET:
ok = t->ipv4_ok;
expected = t->ipv4_expected;
result_size = 4;
break;
case AF_INET6:
ok = t->ipv6_ok;
expected = t->ipv6_expected;
result_size = 16;
break;
default:
FAIL_EXIT1 ("invalid address family %d", family);
}
if (inet_ret != ok)
{
support_record_failure ();
printf ("error: %s return value mismatch for [[%s]], family %d\n"
" expected: %d\n"
" actual: %d\n",
what, t->input, family, ok, inet_ret);
return;
}
if (memcmp (result_buffer, expected, result_size) != 0)
{
support_record_failure ();
printf ("error: %s result mismatch for [[%s]], family %d\n",
what, t->input, family);
}
}
static void
run_one_test (const struct test_case *t)
{
size_t test_len = strlen (t->input);
struct support_next_to_fault ntf_out4 = support_next_to_fault_allocate (4);
struct support_next_to_fault ntf_out6 = support_next_to_fault_allocate (16);
/* inet_pton requires NUL termination. */
{
struct support_next_to_fault ntf_in
= support_next_to_fault_allocate (test_len + 1);
memcpy (ntf_in.buffer, t->input, test_len + 1);
memset (ntf_out4.buffer, 0, 4);
check_result ("inet_pton", t, AF_INET, ntf_out4.buffer,
inet_pton (AF_INET, ntf_in.buffer, ntf_out4.buffer));
memset (ntf_out6.buffer, 0, 16);
check_result ("inet_pton", t, AF_INET6, ntf_out6.buffer,
inet_pton (AF_INET6, ntf_in.buffer, ntf_out6.buffer));
support_next_to_fault_free (&ntf_in);
}
/* __inet_pton_length does not require NUL termination. */
{
struct support_next_to_fault ntf_in
= support_next_to_fault_allocate (test_len);
memcpy (ntf_in.buffer, t->input, test_len);
memset (ntf_out4.buffer, 0, 4);
check_result ("__inet_pton_length", t, AF_INET, ntf_out4.buffer,
__inet_pton_length (AF_INET, ntf_in.buffer, ntf_in.length,
ntf_out4.buffer));
memset (ntf_out6.buffer, 0, 16);
check_result ("__inet_pton_length", t, AF_INET6, ntf_out6.buffer,
__inet_pton_length (AF_INET6, ntf_in.buffer, ntf_in.length,
ntf_out6.buffer));
support_next_to_fault_free (&ntf_in);
}
support_next_to_fault_free (&ntf_out4);
support_next_to_fault_free (&ntf_out6);
}
/* The test cases were manually crafted and the set enhanced with
American Fuzzy Lop. */
const struct test_case test_cases[] =
{
{.input = ".:", },
{.input = "0.0.0.0",
.ipv4_ok = true,
.ipv4_expected = {0, 0, 0, 0},
},
{.input = "0.:", },
{.input = "00", },
{.input = "0000000", },
{.input = "00000000000000000", },
{.input = "092.", },
{.input = "10.0.301.2", },
{.input = "127.0.0.1",
.ipv4_ok = true,
.ipv4_expected = {127, 0, 0, 1},
},
{.input = "19..", },
{.input = "192.0.2.-1", },
{.input = "192.0.2.01", },
{.input = "192.0.2.1.", },
{.input = "192.0.2.1192.", },
{.input = "192.0.2.192.\377..", },
{.input = "192.0.2.256", },
{.input = "192.0.2.27",
.ipv4_ok = true,
.ipv4_expected = {192, 0, 2, 27},
},
{.input = "192.0.201.", },
{.input = "192.0.261.", },
{.input = "192.0.2\256", },
{.input = "192.0.\262.", },
{.input = "192.062.", },
{.input = "192.092.\256", },
{.input = "192.0\2562.", },
{.input = "192.192.0.2661\031", },
{.input = "192.192.00n2.1.", },
{.input = "192.192.2.190.", },
{.input = "192.255.255.2555", },
{.input = "192.92.219\023.", },
{.input = "192.\260.2.", },
{.input = "1:1::1:1",
.ipv6_ok = true,
.ipv6_expected = {
0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1
},
},
{.input = "2", },
{.input = "2.", },
{.input = "2001:db8:00001::f", },
{.input = "2001:db8:10000::f", },
{.input = "2001:db8:1234:5678:abcd:ef01:2345:67",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x12, 0x34, 0x56, 0x78,
0xab, 0xcd, 0xef, 0x1, 0x23, 0x45, 0x0, 0x67
},
},
{.input = "2001:db8:1234:5678:abcd:ef01:2345:6789:1", },
{.input = "2001:db8:1234:5678:abcd:ef01:2345::6789", },
{.input = "2001:db8::0",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0
},
},
{.input = "2001:db8::00",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0
},
},
{.input = "2001:db8::1",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1
},
},
{.input = "2001:db8::10",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10
},
},
{.input = "2001:db8::19",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x19
},
},
{.input = "2001:db8::1::\012", },
{.input = "2001:db8::1::2\012", },
{.input = "2001:db8::2",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2
},
},
{.input = "2001:db8::3",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3
},
},
{.input = "2001:db8::4",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4
},
},
{.input = "2001:db8::5",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5
},
},
{.input = "2001:db8::6",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6
},
},
{.input = "2001:db8::7",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7
},
},
{.input = "2001:db8::8",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8
},
},
{.input = "2001:db8::9",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9
},
},
{.input = "2001:db8::A",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa
},
},
{.input = "2001:db8::B",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb
},
},
{.input = "2001:db8::C",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc
},
},
{.input = "2001:db8::D",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd
},
},
{.input = "2001:db8::E",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe
},
},
{.input = "2001:db8::F",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf
},
},
{.input = "2001:db8::a",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa
},
},
{.input = "2001:db8::b",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb
},
},
{.input = "2001:db8::c",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc
},
},
{.input = "2001:db8::d",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd
},
},
{.input = "2001:db8::e",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe
},
},
{.input = "2001:db8::f",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf
},
},
{.input = "2001:db8::ff",
.ipv6_ok = true,
.ipv6_expected = {
0x20, 0x1, 0xd, 0xb8, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff
},
},
{.input = "2001:db8::ffff:2\012", },
{.input = "22", },
{.input = "2222@", },
{.input = "255.255.255.255",
.ipv4_ok = true,
.ipv4_expected = {255, 255, 255, 255},
},
{.input = "255.255.255.255\001", },
{.input = "255.255.255.25555", },
{.input = "2:", },
{.input = "2:a:8:EEEE::EEEE:F:EEE8:EEEE\034*:", },
{.input = "2:ff:1:1:7:ff:1:1:7.", },
{.input = "2f:0000000000000000000000000000000000000000000000000000000000"
"0000000000000000000000000000000000000000000000000000000000000000000000"
"0G01",
},
{.input = "429495", },
{.input = "5::5::", },
{.input = "6.6.", },
{.input = "992.", },
{.input = "::",
.ipv6_ok = true,
.ipv6_expected = {
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0
},
},
{.input = "::00001", },
{.input = "::1",
.ipv6_ok = true,
.ipv6_expected = {
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1
},
},
{.input = "::10000", },
{.input = "::1:1",
.ipv6_ok = true,
.ipv6_expected = {
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1
},
},
{.input = "::ff:1:1:7.0.0.1",
.ipv6_ok = true,
.ipv6_expected = {
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff,
0x0, 0x1, 0x0, 0x1, 0x7, 0x0, 0x0, 0x1
},
},
{.input = "::ff:1:1:7:ff:1:1:7.", },
{.input = "::ff:1:1:7ff:1:8:7.0.0.1", },
{.input = "::ff:1:1:7ff:1:8f:1:1:71", },
{.input = "::ffff:02fff:127.0.S1", },
{.input = "::ffff:127.0.0.1",
.ipv6_ok = true,
.ipv6_expected = {
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0xff, 0xff, 0x7f, 0x0, 0x0, 0x1
},
},
{.input = "::ffff:1:7.0.0.1",
.ipv6_ok = true,
.ipv6_expected = {
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0xff, 0xff, 0x0, 0x1, 0x7, 0x0, 0x0, 0x1
},
},
{.input = ":\272", },
{.input = "A:f:ff:1:1:D:ff:1:1::7.", },
{.input = "AAAAA.", },
{.input = "D:::", },
{.input = "DF8F", },
{.input = "F::",
.ipv6_ok = true,
.ipv6_expected = {
0x0, 0xf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0
},
},
{.input = "F:A:8:EEEE:8:EEEE\034*:", },
{.input = "F:a:8:EEEE:8:EEEE\034*:", },
{.input = "F:ff:100:7ff:1:8:7.0.10.1",
.ipv6_ok = true,
.ipv6_expected = {
0x0, 0xf, 0x0, 0xff, 0x1, 0x0, 0x7, 0xff,
0x0, 0x1, 0x0, 0x8, 0x7, 0x0, 0xa, 0x1
},
},
{.input = "d92.", },
{.input = "ff:00000000000000000000000000000000000000000000000000000000000"
"00000000000000000000000000000000000000000000000000000000000000000001",
},
{.input = "fff2:2::ff2:2:f7",
.ipv6_ok = true,
.ipv6_expected = {
0xff, 0xf2, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0xf, 0xf2, 0x0, 0x2, 0x0, 0xf7
},
},
{.input = "ffff:ff:ff:fff:ff:ff:ff:", },
{.input = "\272:", },
{NULL}
};
static int
do_test (void)
{
for (size_t i = 0; test_cases[i].input != NULL; ++i)
run_one_test (test_cases + i);
return 0;
}
#include <support/test-driver.c>
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