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/*
* Copyright (C) 2018-2025 Red Hat, Inc. All rights reserved.
*
* Author: Fabio M. Di Nitto <fabbione@kronosnet.org>
*
* This software licensed under GPL-2.0+
*/
#include "config.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <stdint.h>
#include <limits.h>
#include <sys/socket.h>
#ifdef KNET_SOLARIS
#include <sys/ethernet.h>
#else
#include <net/ethernet.h>
#endif
#ifdef KNET_LINUX
#include <linux/if_tun.h>
#include <netinet/ether.h>
#endif
#ifdef KNET_BSD
#include <net/if_dl.h>
#endif
#include "test-common.h"
char testipv4_1[IPBUFSIZE];
char testipv4_2[IPBUFSIZE];
char testipv6_1[IPBUFSIZE];
char testipv6_2[IPBUFSIZE];
static int test(void)
{
char device_name[2*IFNAMSIZ];
size_t size = IFNAMSIZ;
nozzle_t nozzle;
memset(device_name, 0, sizeof(device_name));
/*
* this test is duplicated from api_nozzle_open.c
*/
printf("Testing random nozzle interface:\n");
if (test_iface(device_name, size, NULL) < 0) {
printf("Unable to create random interface\n");
return -1;
}
printf("Testing ERROR conditions\n");
printf("Testing nozzle_close with NULL nozzle\n");
if ((nozzle_close(NULL) >= 0) || (errno != EINVAL)) {
printf("Something is wrong in nozzle_close sanity checks\n");
return -1;
}
printf("Testing nozzle_close with random bytes nozzle pointer\n");
nozzle = (nozzle_t)0x1;
if ((nozzle_close(nozzle) >= 0) || (errno != EINVAL)) {
printf("Something is wrong in nozzle_close sanity checks\n");
return -1;
}
return 0;
}
/*
* requires running the test suite with valgrind
*/
static int check_nozzle_close_leak(void)
{
char device_name[IFNAMSIZ];
size_t size = IFNAMSIZ;
int err=0;
nozzle_t nozzle;
printf("Testing close leak (needs valgrind)\n");
memset(device_name, 0, size);
nozzle = nozzle_open(device_name, size, NULL);
if (!nozzle) {
printf("Unable to init %s\n", device_name);
return -1;
}
printf("Adding ip: %s/24\n", testipv4_1);
err = nozzle_add_ip(nozzle, testipv4_1, "24");
if (err < 0) {
printf("Unable to assign IP address\n");
err=-1;
goto out_clean;
}
printf("Adding ip: %s/24\n", testipv4_2);
err = nozzle_add_ip(nozzle, testipv4_2, "24");
if (err < 0) {
printf("Unable to assign IP address\n");
err=-1;
goto out_clean;
}
out_clean:
nozzle_close(nozzle);
return err;
}
int main(void)
{
need_root();
need_tun();
make_local_ips(testipv4_1, testipv4_2, testipv6_1, testipv6_2);
if (test() < 0)
return FAIL;
if (check_nozzle_close_leak() < 0)
return FAIL;
return 0;
}
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