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nozzle_test.c
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nozzle_test.c
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/*
* Copyright (C) 2010-2017 Red Hat, Inc. All rights reserved.
*
* Author: Fabio M. Di Nitto <fabbione@kronosnet.org>
*
* This software licensed under GPL-2.0+, LGPL-2.0+
*/
#include "config.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <errno.h>
#include <ifaddrs.h>
#include <stdint.h>
#include <limits.h>
#ifdef KNET_LINUX
#include <linux/if_tun.h>
#include <netinet/ether.h>
#endif
#ifdef KNET_BSD
#include <net/if_dl.h>
#endif
#include "libnozzle.h"
#include "internals.h"
char testipv4_1[1024];
char testipv4_2[1024];
char testipv6_1[1024];
char testipv6_2[1024];
/*
* use this one to randomize knet interface name
* for named creation test
*/
uint8_t randombyte = 0;
static int is_if_in_system(char *name)
{
struct ifaddrs *ifap = NULL;
struct ifaddrs *ifa;
int found = 0;
if (getifaddrs(&ifap) < 0) {
printf("Unable to get interface list.\n");
return -1;
}
ifa = ifap;
while (ifa) {
if (!strncmp(name, ifa->ifa_name, IFNAMSIZ)) {
found = 1;
break;
}
ifa=ifa->ifa_next;
}
freeifaddrs(ifap);
return found;
}
static int test_iface(char *name, size_t size, const char *updownpath)
{
nozzle_t nozzle;
nozzle=nozzle_open(name, size, updownpath);
if (!nozzle) {
printf("Unable to open knet.\n");
return -1;
}
printf("Created interface: %s\n", name);
if (is_if_in_system(name) > 0) {
printf("Found interface %s on the system\n", name);
} else {
printf("Unable to find interface %s on the system\n", name);
}
if (!nozzle_get_handle_by_name(name)) {
printf("Unable to find interface %s in nozzle db\n", name);
} else {
printf("Found interface %s in nozzle db\n", name);
}
nozzle_close(nozzle);
if (is_if_in_system(name) == 0)
printf("Successfully removed interface %s from the system\n", name);
return 0;
}
static int check_nozzle_open_close(void)
{
char device_name[2*IFNAMSIZ];
char fakepath[PATH_MAX];
size_t size = IFNAMSIZ;
memset(device_name, 0, sizeof(device_name));
printf("Creating random nozzle interface:\n");
if (test_iface(device_name, size, NULL) < 0) {
printf("Unable to create random interface\n");
return -1;
}
#ifdef KNET_LINUX
printf("Creating kronostest%u nozzle interface:\n", randombyte);
snprintf(device_name, IFNAMSIZ, "kronostest%u", randombyte);
if (test_iface(device_name, size, NULL) < 0) {
printf("Unable to create kronostest%u interface\n", randombyte);
return -1;
}
#endif
#ifdef KNET_BSD
printf("Creating tap%u nozzle interface:\n", randombyte);
snprintf(device_name, IFNAMSIZ, "tap%u", randombyte);
if (test_iface(device_name, size, NULL) < 0) {
printf("Unable to create tap%u interface\n", randombyte);
return -1;
}
printf("Creating kronostest%u nozzle interface:\n", randombyte);
snprintf(device_name, IFNAMSIZ, "kronostest%u", randombyte);
if (test_iface(device_name, size, NULL) == 0) {
printf("BSD should not accept kronostest%u interface\n", randombyte);
return -1;
}
#endif
printf("Testing ERROR conditions\n");
printf("Testing dev == NULL\n");
errno=0;
if ((test_iface(NULL, size, NULL) >= 0) || (errno != EINVAL)) {
printf("Something is wrong in nozzle_open sanity checks\n");
return -1;
}
printf("Testing size < IFNAMSIZ\n");
errno=0;
if ((test_iface(device_name, 1, NULL) >= 0) || (errno != EINVAL)) {
printf("Something is wrong in nozzle_open sanity checks\n");
return -1;
}
printf("Testing device_name size > IFNAMSIZ\n");
errno=0;
strcpy(device_name, "abcdefghilmnopqrstuvwz");
if ((test_iface(device_name, IFNAMSIZ, NULL) >= 0) || (errno != E2BIG)) {
printf("Something is wrong in nozzle_open sanity checks\n");
return -1;
}
printf("Testing updown path != abs\n");
errno=0;
memset(device_name, 0, IFNAMSIZ);
if ((test_iface(device_name, IFNAMSIZ, "foo") >= 0) || (errno != EINVAL)) {
printf("Something is wrong in nozzle_open sanity checks\n");
return -1;
}
memset(fakepath, 0, PATH_MAX);
memset(fakepath, '/', PATH_MAX - 2);
printf("Testing updown path > PATH_MAX\n");
errno=0;
memset(device_name, 0, IFNAMSIZ);
if ((test_iface(device_name, IFNAMSIZ, fakepath) >= 0) || (errno != E2BIG)) {
printf("Something is wrong in nozzle_open sanity checks\n");
return -1;
}
return 0;
}
static int check_knet_multi_eth(void)
{
char device_name1[IFNAMSIZ];
char device_name2[IFNAMSIZ];
size_t size = IFNAMSIZ;
int err=0;
nozzle_t nozzle1 = NULL;
nozzle_t nozzle2 = NULL;
printf("Testing multiple knet interface instances\n");
memset(device_name1, 0, size);
memset(device_name2, 0, size);
nozzle1 = nozzle_open(device_name1, size, NULL);
if (!nozzle1) {
printf("Unable to init %s\n", device_name1);
err = -1;
goto out_clean;
}
if (is_if_in_system(device_name1) > 0) {
printf("Found interface %s on the system\n", device_name1);
} else {
printf("Unable to find interface %s on the system\n", device_name1);
}
nozzle2 = nozzle_open(device_name2, size, NULL);
if (!nozzle2) {
printf("Unable to init %s\n", device_name2);
err = -1;
goto out_clean;
}
if (is_if_in_system(device_name2) > 0) {
printf("Found interface %s on the system\n", device_name2);
} else {
printf("Unable to find interface %s on the system\n", device_name2);
}
if (nozzle1) {
nozzle_close(nozzle1);
}
if (nozzle2) {
nozzle_close(nozzle2);
}
printf("Testing error conditions\n");
printf("Open same device twice\n");
memset(device_name1, 0, size);
nozzle1 = nozzle_open(device_name1, size, NULL);
if (!nozzle1) {
printf("Unable to init %s\n", device_name1);
err = -1;
goto out_clean;
}
if (is_if_in_system(device_name1) > 0) {
printf("Found interface %s on the system\n", device_name1);
} else {
printf("Unable to find interface %s on the system\n", device_name1);
}
nozzle2 = nozzle_open(device_name1, size, NULL);
if (nozzle2) {
printf("We were able to init 2 interfaces with the same name!\n");
err = -1;
goto out_clean;
}
out_clean:
if (nozzle1) {
nozzle_close(nozzle1);
}
if (nozzle2) {
nozzle_close(nozzle2);
}
return err;
}
static int check_knet_mtu(void)
{
char device_name[IFNAMSIZ];
size_t size = IFNAMSIZ;
int err=0;
nozzle_t nozzle;
char *error_string = NULL;
int current_mtu = 0;
int expected_mtu = 1500;
printf("Testing get/set MTU\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("Comparing default MTU\n");
current_mtu = nozzle_get_mtu(nozzle);
if (current_mtu < 0) {
printf("Unable to get MTU\n");
err = -1;
goto out_clean;
}
if (current_mtu != expected_mtu) {
printf("current mtu [%d] does not match expected default [%d]\n", current_mtu, expected_mtu);
err = -1;
goto out_clean;
}
printf("Setting MTU to 9000\n");
expected_mtu = 9000;
if (nozzle_set_mtu(nozzle, expected_mtu, &error_string) < 0) {
printf("Unable to set MTU to %d\n", expected_mtu);
if (error_string) {
printf("error: %s\n", error_string);
free(error_string);
}
err = -1;
goto out_clean;
}
current_mtu = nozzle_get_mtu(nozzle);
if (current_mtu < 0) {
printf("Unable to get MTU\n");
err = -1;
goto out_clean;
}
if (current_mtu != expected_mtu) {
printf("current mtu [%d] does not match expected value [%d]\n", current_mtu, expected_mtu);
err = -1;
goto out_clean;
}
printf("Testing ERROR conditions\n");
printf("Passing empty struct to get_mtu\n");
if (nozzle_get_mtu(NULL) > 0) {
printf("Something is wrong in nozzle_get_mtu sanity checks\n");
err = -1;
goto out_clean;
}
printf("Passing empty struct to set_mtu\n");
if (nozzle_set_mtu(NULL, 1500, &error_string) == 0) {
printf("Something is wrong in nozzle_set_mtu sanity checks\n");
if (error_string) {
printf("error: %s\n", error_string);
free(error_string);
}
err = -1;
goto out_clean;
}
out_clean:
if (nozzle) {
nozzle_close(nozzle);
}
return err;
}
static int check_knet_mtu_ipv6(void)
{
char device_name[IFNAMSIZ];
size_t size = IFNAMSIZ;
char verifycmd[1024];
int err=0;
nozzle_t nozzle;
char *error_string = NULL;
printf("Testing get/set MTU with IPv6 address\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/64\n", testipv6_1);
err = nozzle_add_ip(nozzle, testipv6_1, "64", &error_string);
if (error_string) {
printf("add ipv6 output: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (err) {
printf("Unable to assign IP address\n");
err=-1;
sleep(30);
goto out_clean;
}
memset(verifycmd, 0, sizeof(verifycmd));
snprintf(verifycmd, sizeof(verifycmd)-1,
#ifdef KNET_LINUX
"ip addr show dev %s | grep -q %s/64", nozzle->name, testipv6_1);
#endif
#ifdef KNET_BSD
"ifconfig %s | grep -q %s", nozzle->name, testipv6_1);
#endif
err = execute_bin_sh_command(verifycmd, &error_string);
if (error_string) {
printf("Error string: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (err) {
printf("Unable to verify IP address\n");
err=-1;
goto out_clean;
}
printf("Setting MTU to 1200\n");
if (nozzle_set_mtu(nozzle, 1200, &error_string) < 0) {
printf("Unable to set MTU to 1200\n");
if (error_string) {
printf("error: %s\n", error_string);
free(error_string);
}
err = -1;
goto out_clean;
}
err = execute_bin_sh_command(verifycmd, &error_string);
if (error_string) {
printf("Error string: %s\n", error_string);
free(error_string);
error_string = NULL;
}
#ifdef KNET_LINUX
if (!err) {
#endif
#ifdef KNET_BSD
if (err) {
#endif
printf("Unable to verify IP address\n");
err=-1;
goto out_clean;
}
printf("Adding ip: %s/64\n", testipv6_2);
err = nozzle_add_ip(nozzle, testipv6_2, "64", &error_string);
if (error_string) {
printf("add ipv6 output: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (err < 0) {
printf("Unable to assign IP address\n");
err=-1;
goto out_clean;
}
memset(verifycmd, 0, sizeof(verifycmd));
snprintf(verifycmd, sizeof(verifycmd)-1,
#ifdef KNET_LINUX
"ip addr show dev %s | grep -q %s/64", nozzle->name, testipv6_2);
#endif
#ifdef KNET_BSD
"ifconfig %s | grep -q %s", nozzle->name, testipv6_2);
#endif
err = execute_bin_sh_command(verifycmd, &error_string);
if (error_string) {
printf("Error string: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (!err) {
printf("Unable to verify IP address\n");
err=-1;
goto out_clean;
}
printf("Restoring MTU to default\n");
if (nozzle_reset_mtu(nozzle, &error_string) < 0) {
printf("Unable to reset mtu\n");
if (error_string) {
printf("error: %s\n", error_string);
free(error_string);
}
err = -1;
goto out_clean;
}
memset(verifycmd, 0, sizeof(verifycmd));
snprintf(verifycmd, sizeof(verifycmd)-1,
#ifdef KNET_LINUX
"ip addr show dev %s | grep -q %s/64", nozzle->name, testipv6_1);
#endif
#ifdef KNET_BSD
"ifconfig %s | grep -q %s", nozzle->name, testipv6_1);
#endif
err = execute_bin_sh_command(verifycmd, &error_string);
if (error_string) {
printf("Error string: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (err) {
printf("Unable to verify IP address\n");
err=-1;
goto out_clean;
}
memset(verifycmd, 0, sizeof(verifycmd));
snprintf(verifycmd, sizeof(verifycmd)-1,
#ifdef KNET_LINUX
"ip addr show dev %s | grep -q %s/64", nozzle->name, testipv6_2);
#endif
#ifdef KNET_BSD
"ifconfig %s | grep -q %s", nozzle->name, testipv6_2);
#endif
err = execute_bin_sh_command(verifycmd, &error_string);
if (error_string) {
printf("Error string: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (err) {
printf("Unable to verify IP address\n");
err=-1;
goto out_clean;
}
out_clean:
if (nozzle) {
nozzle_close(nozzle);
}
return err;
}
static int check_knet_mac(void)
{
char device_name[IFNAMSIZ];
size_t size = IFNAMSIZ;
int err=0;
nozzle_t nozzle;
char *current_mac = NULL, *temp_mac = NULL, *err_mac = NULL;
struct ether_addr *cur_mac, *tmp_mac;
printf("Testing get/set MAC\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("Get current MAC\n");
if (nozzle_get_mac(nozzle, ¤t_mac) < 0) {
printf("Unable to get current MAC address.\n");
err = -1;
goto out_clean;
}
printf("Current MAC: %s\n", current_mac);
printf("Setting MAC: 00:01:01:01:01:01\n");
if (nozzle_set_mac(nozzle, "00:01:01:01:01:01") < 0) {
printf("Unable to set current MAC address.\n");
err = -1;
goto out_clean;
}
if (nozzle_get_mac(nozzle, &temp_mac) < 0) {
printf("Unable to get current MAC address.\n");
err = -1;
goto out_clean;
}
printf("Current MAC: %s\n", temp_mac);
cur_mac = ether_aton(current_mac);
tmp_mac = ether_aton(temp_mac);
printf("Comparing MAC addresses\n");
if (memcmp(cur_mac, tmp_mac, sizeof(struct ether_addr))) {
printf("Mac addresses are not the same?!\n");
err = -1;
sleep(20);
goto out_clean;
}
printf("Testing ERROR conditions\n");
printf("Pass NULL to get_mac (pass1)\n");
errno = 0;
if ((nozzle_get_mac(NULL, &err_mac) >= 0) || (errno != EINVAL)) {
printf("Something is wrong in nozzle_get_mac sanity checks\n");
err = -1;
goto out_clean;
}
printf("Pass NULL to get_mac (pass2)\n");
errno = 0;
if ((nozzle_get_mac(nozzle, NULL) >= 0) || (errno != EINVAL)) {
printf("Something is wrong in nozzle_get_mac sanity checks\n");
err = -1;
goto out_clean;
}
printf("Pass NULL to set_mac (pass1)\n");
errno = 0;
if ((nozzle_set_mac(nozzle, NULL) >= 0) || (errno != EINVAL)) {
printf("Something is wrong in nozzle_set_mac sanity checks\n");
err = -1;
goto out_clean;
}
printf("Pass NULL to set_mac (pass2)\n");
errno = 0;
if ((nozzle_set_mac(NULL, err_mac) >= 0) || (errno != EINVAL)) {
printf("Something is wrong in nozzle_set_mac sanity checks\n");
err = -1;
goto out_clean;
}
out_clean:
if (err_mac) {
printf("Something managed to set err_mac!\n");
err = -1;
free(err_mac);
}
if (current_mac)
free(current_mac);
if (temp_mac)
free(temp_mac);
if (nozzle) {
nozzle_close(nozzle);
}
return err;
}
static int check_nozzle_execute_bin_sh_command(void)
{
int err = 0;
char command[4096];
char *error_string = NULL;
memset(command, 0, sizeof(command));
printf("Testing execute_bin_sh_command\n");
printf("command true\n");
err = execute_bin_sh_command("true", &error_string);
if (error_string) {
printf("Error string: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (err) {
printf("Unable to execute true ?!?!\n");
goto out_clean;
}
printf("Testing ERROR conditions\n");
printf("command false\n");
err = execute_bin_sh_command("false", &error_string);
if (error_string) {
printf("Error string: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (!err) {
printf("Can we really execute false successfully?!?!\n");
err = -1;
goto out_clean;
}
printf("command that outputs to stdout (enforcing redirect)\n");
err = execute_bin_sh_command("grep -h 2>&1", &error_string);
if (error_string) {
printf("Error string: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (!err) {
printf("Can we really execute grep -h successfully?!?\n");
err = -1;
goto out_clean;
}
printf("command that outputs to stderr\n");
err = execute_bin_sh_command("grep -h", &error_string);
if (error_string) {
printf("Error string: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (!err) {
printf("Can we really execute grep -h successfully?!?\n");
err = -1;
goto out_clean;
}
printf("empty command\n");
err = execute_bin_sh_command(NULL, &error_string);
if (error_string) {
printf("Error string: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (!err) {
printf("Can we really execute (nil) successfully?!?!\n");
err = -1;
goto out_clean;
}
printf("empty error\n");
err = execute_bin_sh_command("true", NULL);
if (!err) {
printf("Check EINVAL filter for no error_string!\n");
err = -1;
goto out_clean;
}
err = 0;
out_clean:
return err;
}
static int check_knet_up_down(void)
{
char verifycmd[1024];
char device_name[IFNAMSIZ];
size_t size = IFNAMSIZ;
int err=0;
nozzle_t nozzle;
char *error_string = NULL;
printf("Testing interface up/down\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("Put the interface up\n");
err = nozzle_set_up(nozzle);
if (err < 0) {
printf("Unable to set interface up\n");
err = -1;
goto out_clean;
}
memset(verifycmd, 0, sizeof(verifycmd));
snprintf(verifycmd, sizeof(verifycmd)-1,
#ifdef KNET_LINUX
"ip addr show dev %s | grep -q UP", nozzle->name);
#endif
#ifdef KNET_BSD
"ifconfig %s | grep -q UP", nozzle->name);
#endif
err = execute_bin_sh_command(verifycmd, &error_string);
if (error_string) {
printf("Error string: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (err < 0) {
printf("Unable to verify inteface UP\n");
err = -1;
goto out_clean;
}
printf("Put the interface down\n");
err = nozzle_set_down(nozzle);
if (err < 0) {
printf("Unable to put the interface down\n");
err = -1;
goto out_clean;
}
memset(verifycmd, 0, sizeof(verifycmd));
snprintf(verifycmd, sizeof(verifycmd)-1,
#ifdef KNET_LINUX
"ip addr show dev %s | grep -q UP", nozzle->name);
#endif
#ifdef KNET_BSD
"ifconfig %s | grep -q UP", nozzle->name);
#endif
err = execute_bin_sh_command(verifycmd, &error_string);
if (error_string) {
printf("Error string: %s\n", error_string);
free(error_string);
error_string = NULL;
}
if (!err) {
printf("Unable to verify inteface DOWN\n");
err = -1;
goto out_clean;
}
nozzle_close(nozzle);
printf("Testing interface pre-up/up/down/post-down (exec errors)\n");
memset(device_name, 0, size);
nozzle = nozzle_open(device_name, size, ABSBUILDDIR "/nozzle_updown_bad");
if (!nozzle) {
printf("Unable to init %s\n", device_name);
return -1;
}
printf("Put the interface up\n");
err = nozzle_run_updown(nozzle, NOZZLE_PREUP, &error_string);
if (err) {
printf("nozzle_run_updown NOZZLE_PREUP error: %s\n", strerror(errno));
}
if (error_string) {
printf("preup output: %s\n", error_string);
free(error_string);
error_string = NULL;
}
err = nozzle_set_up(nozzle);
if (err < 0) {
printf("Unable to put the interface up\n");
err = -1;
goto out_clean;
}
err = nozzle_run_updown(nozzle, NOZZLE_UP, &error_string);
if (err) {
printf("nozzle_run_updown NOZZLE_UP error: %s\n", strerror(errno));
}
if (error_string) {
printf("up output: %s\n", error_string);
free(error_string);
error_string = NULL;
}
printf("Put the interface down\n");
err = nozzle_run_updown(nozzle, NOZZLE_DOWN, &error_string);
if (err) {
printf("nozzle_run_updown NOZZLE_DOWN error: %s\n", strerror(errno));
}
if (error_string) {
printf("down output: %s\n", error_string);
free(error_string);
error_string = NULL;
}
err = nozzle_set_down(nozzle);
if (err < 0) {
printf("Unable to put the interface down\n");
err = -1;
goto out_clean;
}
err = nozzle_run_updown(nozzle, NOZZLE_POSTDOWN, &error_string);
if (err) {
printf("nozzle_run_updown NOZZLE_POSTDOWN error: %s\n", strerror(errno));
}
if (error_string) {
printf("postdown output: %s\n", error_string);
free(error_string);
error_string = NULL;
}
nozzle_close(nozzle);
printf("Testing interface pre-up/up/down/post-down\n");
memset(device_name, 0, size);
nozzle = nozzle_open(device_name, size, ABSBUILDDIR "/nozzle_updown_good");
if (!nozzle) {
printf("Unable to init %s\n", device_name);
return -1;
}
printf("Put the interface up\n");
err = nozzle_run_updown(nozzle, NOZZLE_PREUP, &error_string);
if (err) {
printf("nozzle_run_updown NOZZLE_PREUP error: %s\n", strerror(errno));
}
if (error_string) {
printf("preup output: %s\n", error_string);
free(error_string);
error_string = NULL;
}
err = nozzle_set_up(nozzle);
if (err < 0) {
printf("Unable to put the interface up\n");
err = -1;
goto out_clean;
}
err = nozzle_run_updown(nozzle, NOZZLE_UP, &error_string);
if (err) {
printf("nozzle_run_updown NOZZLE_UP error: %s\n", strerror(errno));
}
if (error_string) {
printf("up output: %s\n", error_string);
free(error_string);
error_string = NULL;
}
printf("Put the interface down\n");
err = nozzle_run_updown(nozzle, NOZZLE_DOWN, &error_string);
if (err) {
printf("nozzle_run_updown NOZZLE_DOWN error: %s\n", strerror(errno));
}
if (error_string) {
printf("down output: %s\n", error_string);
free(error_string);
error_string = NULL;
}
err = nozzle_set_down(nozzle);
if (err < 0) {
printf("Unable to put the interface down\n");
err = -1;
goto out_clean;
}
err = nozzle_run_updown(nozzle, NOZZLE_POSTDOWN, &error_string);
if (err) {
printf("nozzle_run_updown NOZZLE_POSTDOWN error: %s\n", strerror(errno));
}
if (error_string) {
printf("postdown output: %s\n", error_string);
free(error_string);
error_string = NULL;
}
nozzle_close(nozzle);
printf("Test ERROR conditions\n");
printf("Pass NULL to nozzle set_up\n");
err = 0;
errno = 0;
if ((nozzle_set_up(NULL) >= 0) || (errno != EINVAL)) {
printf("Something is wrong in nozzle_set_up sanity checks\n");
err = -1;
goto out_clean;
}
printf("Pass NULL to nozzle set_down\n");
errno = 0;
if ((nozzle_set_down(NULL) >= 0) || (errno != EINVAL)) {
printf("Something is wrong in nozzle_set_down sanity checks\n");
err = -1;
goto out_clean;
}
out_clean:
nozzle_close(nozzle);
return err;
}
static int check_knet_close_leak(void)
{
char device_name[IFNAMSIZ];
size_t size = IFNAMSIZ;
int err=0;
nozzle_t nozzle;
char *error_string = NULL;
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", &error_string);
if (error_string) {
printf("add ip output: %s\n", error_string);
free(error_string);
error_string = NULL;
}
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", &error_string);
if (error_string) {