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iwd/unit/test-util.c
2024-11-20 11:39:12 -06:00

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/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2014-2019 Intel Corporation. All rights reserved.
*
* This 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.
*
* This 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <ell/ell.h>
#include "src/defs.h"
#include "src/util.h"
struct ssid_test_data {
size_t len;
uint8_t ssid[SSID_MAX_SIZE];
const char *string;
bool result;
};
const struct ssid_test_data ssid_samples[] = {
{ 0, { }, "", true },
{ 1, { }, "", true },
{ 32, { }, "", true },
{ 33, { }, "", true },
{ 33, { 'a', 'b', 'c', }, "", true },
{ 42, { }, "", true },
{ 3, { 'f', 'o', 'o', }, "foo", true },
{ 3, { }, "", true },
{ 3, { 'f', 'o', 'o', }, "bar", false },
{ 3, { 'f', 'o', 'o', 0xff, }, "foo", true },
{ 5, { 'f', 'o', 'o', 'b', 'a', 'r' }, "fooba", true },
{ 5, { 'f', 'o', 'o', 'b', 'a', 'r' }, "foobar", false },
{ 5, { 'f', 'o', 'o', 'b', 'a', 'r' }, "oobar", false },
{ 4, { 'x', 'y', 'z', 0xff }, "xyz<EFBFBD>", true },
{ 6, { 'x', 'y', 'z', 0xff, '1', '2' }, "xyz<EFBFBD>12", true },
{ 7, { 0xf0, 0xf3, '3', '4', '5', '6', '7', }, "<EFBFBD><EFBFBD>34567", true },
{ 6, { 0xc3, 0x96, '3', '4', '5', '6' }, "Ö3456", true },
{ 6, { '1', 0xc3, 0x96, '4', '5', '6' }, "1Ö456", true },
{ 6, { '1', '2', '3', '4', 0xc3, 0x96 }, "1234Ö", true },
};
static void ssid_to_utf8(const void *data)
{
const struct ssid_test_data *ssid = data;
int i = 0, samples = L_ARRAY_SIZE(ssid_samples);
while (i < samples) {
const char *result = util_ssid_to_utf8(ssid[i].len,
ssid[i].ssid);
assert(!memcmp(ssid[i].string, result,
strlen(ssid[i].string)) == ssid[i].result);
i++;
}
}
static const char ms_id[] = "domain\\user";
static const char id[] = "user@domain";
static const char no_separator[] = "username";
static void get_domain_test(const void *data)
{
const char *test;
test = util_get_domain(ms_id);
assert(strcmp(test, "domain") == 0);
test = util_get_domain(id);
assert(strcmp(test, "domain") == 0);
test = util_get_domain(no_separator);
assert(strcmp(test, "username") == 0);
}
static void get_username_test(const void *data)
{
const char *test;
test = util_get_username(ms_id);
assert(strcmp(test, "user") == 0);
test = util_get_username(id);
assert(strcmp(test, "user") == 0);
test = util_get_username(no_separator);
assert(strcmp(test, "username") == 0);
}
static void ip_prefix_test(const void *data)
{
unsigned int i;
char *invalid[] = {
"192.168.0.0", /* Not prefix notation */
"192.168./22", /* Incomplete notation */
"192.168.0.1/255", /* Too long prefix */
"192.168.0.1/0", /* Too short prefix */
"192.168.0.1/16", /* Invalid prefix */
"192.168.1.2.3/24", /* IP too long */
"192.168.111.222.333.444/20", /* IP way too long */
};
struct {
char *ip_prefix;
uint8_t prefix;
char *start;
char *end;
char *mask;
} valid[] = {
{"192.168.80.0/22", 22, "192.168.80.1",
"192.168.83.254", "255.255.252.0"},
{"192.168.128.0/20", 20, "192.168.128.1",
"192.168.143.254", "255.255.240.0"},
{"192.168.0.0/25", 25, "192.168.0.1",
"192.168.0.126", "255.255.255.128"},
{"192.168.0.0/29", 29, "192.168.0.1",
"192.168.0.6", "255.255.255.248"},
{"192.168.0.128/25", 25, "192.168.0.129",
"192.168.0.254", "255.255.255.128"},
/* Valid notation which is maximum length */
{"192.168.111.108/30", 30, "192.168.111.109",
"192.168.111.110", "255.255.255.252"},
};
for (i = 0; i < L_ARRAY_SIZE(invalid); i++)
assert(!util_ip_prefix_tohl(invalid[i], NULL, NULL,
NULL, NULL));
for (i = 0; i < L_ARRAY_SIZE(valid); i++) {
uint8_t prefix;
uint32_t start;
uint32_t end;
uint32_t mask;
struct in_addr ia;
char ip[INET_ADDRSTRLEN];
assert(util_ip_prefix_tohl(valid[i].ip_prefix,
&prefix, &start, &end, &mask));
assert(valid[i].prefix == prefix);
ia.s_addr = htonl(start);
assert(inet_ntop(AF_INET, &ia, ip, INET_ADDRSTRLEN));
assert(strcmp(ip, valid[i].start) == 0);
ia.s_addr = htonl(end);
assert(inet_ntop(AF_INET, &ia, ip, INET_ADDRSTRLEN));
assert(strcmp(ip, valid[i].end) == 0);
ia.s_addr = htonl(mask);
assert(inet_ntop(AF_INET, &ia, ip, INET_ADDRSTRLEN));
assert(strcmp(ip, valid[i].mask) == 0);
}
}
struct linear_map_case {
double value;
double a_start;
double a_end;
double b_start;
double b_end;
double expected;
bool fails : 1;
};
struct linear_map_case cases[] = {
/* Value out of range */
{
.value = 100,
.a_start = 1,
.a_end = 3,
.b_start = 10,
.b_end = 12,
.fails = true,
},
/* Ascending start range */
{
.value = 1,
.a_start = 0,
.a_end = 2,
.b_start = 10,
.b_end = 12,
.expected = 11,
},
/* Descending start range */
{
.value = 1,
.a_start = 2,
.a_end = 0,
.b_start = 10,
.b_end = 12,
.expected = 11,
},
/* Negatives */
{
.value = -1,
.a_start = -2,
.a_end = 0,
.b_start = 0,
.b_end = 2,
.expected = 1,
},
};
static void test_linear_map(const void *data)
{
double mapped;
unsigned int i;
for (i = 0; i < L_ARRAY_SIZE(cases); i++) {
struct linear_map_case *c = &cases[i];
bool ret = util_linear_map(c->value, c->a_start, c->a_end,
c->b_start, c->b_end, &mapped);
if (c->fails) {
assert(ret == false);
continue;
}
assert(ret);
assert(mapped == c->expected);
}
}
int main(int argc, char *argv[])
{
l_test_init(&argc, &argv);
l_test_add("/util/ssid_to_utf8/", ssid_to_utf8, ssid_samples);
l_test_add("/util/get_domain/", get_domain_test, NULL);
l_test_add("/util/get_username/", get_username_test, NULL);
l_test_add("/util/ip_prefix/", ip_prefix_test, NULL);
l_test_add("/util/test_linear_map", test_linear_map, NULL);
return l_test_run();
}