iodine/tests/user.c

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/*
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* Copyright (c) 2006-2014 Erik Ekman <yarrick@kryo.se>,
* 2006-2009 Bjorn Andersson <flex@kryo.se>
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*
* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <check.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <sys/socket.h>
#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "common.h"
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#include "encoding.h"
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#include "user.h"
#include "test.h"
START_TEST(test_init_users)
{
in_addr_t ip;
char givenip[16];
int i;
int count;
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ip = inet_addr("127.0.0.1");
count = init_users(ip, 27);
for (i = 0; i < count; i++) {
ck_assert(users[i].id == i);
ck_assert(users[i].q.id == 0);
ck_assert(users[i].inpacket.len == 0);
ck_assert(users[i].outpacket.len == 0);
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snprintf(givenip, sizeof(givenip), "127.0.0.%d", i + 2);
ck_assert(users[i].tun_ip == inet_addr(givenip));
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}
}
END_TEST
START_TEST(test_find_user_by_ip)
{
in_addr_t ip;
unsigned int testip;
ip = inet_addr("127.0.0.1");
init_users(ip, 27);
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users[0].conn = CONN_DNS_NULL;
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testip = (unsigned int) inet_addr("10.0.0.1");
ck_assert(find_user_by_ip(testip) == -1);
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testip = (unsigned int) inet_addr("127.0.0.2");
ck_assert(find_user_by_ip(testip) == -1);
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users[0].active = 1;
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testip = (unsigned int) inet_addr("127.0.0.2");
ck_assert(find_user_by_ip(testip) == -1);
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users[0].last_pkt = time(NULL);
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testip = (unsigned int) inet_addr("127.0.0.2");
ck_assert(find_user_by_ip(testip) == -1);
users[0].authenticated = 1;
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testip = (unsigned int) inet_addr("127.0.0.2");
ck_assert(find_user_by_ip(testip) == 0);
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}
END_TEST
START_TEST(test_all_users_waiting_to_send)
{
in_addr_t ip;
ip = inet_addr("127.0.0.1");
init_users(ip, 27);
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ck_assert(all_users_waiting_to_send() == 1);
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users[0].conn = CONN_DNS_NULL;
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users[0].active = 1;
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ck_assert(all_users_waiting_to_send() == 1);
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users[0].last_pkt = time(NULL);
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users[0].outpacket.len = 0;
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ck_assert(all_users_waiting_to_send() == 0);
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#ifdef OUTPACKETQ_LEN
users[0].outpacketq_filled = 1;
#else
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users[0].outpacket.len = 44;
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#endif
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ck_assert(all_users_waiting_to_send() == 1);
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}
END_TEST
START_TEST(test_find_available_user)
{
in_addr_t ip;
int i;
ip = inet_addr("127.0.0.1");
init_users(ip, 27);
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for (i = 0; i < USERS; i++) {
users[i].authenticated = 1;
users[i].authenticated_raw = 1;
ck_assert(find_available_user() == i);
ck_assert(users[i].authenticated == 0);
ck_assert(users[i].authenticated_raw == 0);
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}
for (i = 0; i < USERS; i++) {
ck_assert(find_available_user() == -1);
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}
users[3].active = 0;
ck_assert(find_available_user() == 3);
ck_assert(find_available_user() == -1);
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users[3].last_pkt = 55;
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ck_assert(find_available_user() == 3);
ck_assert(find_available_user() == -1);
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}
END_TEST
START_TEST(test_find_available_user_small_net)
{
in_addr_t ip;
int i;
ip = inet_addr("127.0.0.1");
init_users(ip, 29); /* this should result in 5 enabled users */
for (i = 0; i < 5; i++) {
ck_assert(find_available_user() == i);
}
for (i = 0; i < USERS; i++) {
ck_assert(find_available_user() == -1);
}
users[3].active = 0;
ck_assert(find_available_user() == 3);
ck_assert(find_available_user() == -1);
users[3].last_pkt = 55;
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ck_assert(find_available_user() == 3);
ck_assert(find_available_user() == -1);
}
END_TEST
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TCase *
test_user_create_tests(void)
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{
TCase *tc;
tc = tcase_create("User");
tcase_add_test(tc, test_init_users);
tcase_add_test(tc, test_find_user_by_ip);
tcase_add_test(tc, test_all_users_waiting_to_send);
tcase_add_test(tc, test_find_available_user);
tcase_add_test(tc, test_find_available_user_small_net);
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return tc;
}