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/*
* Copyright (C) 2016-2025 Red Hat, Inc. All rights reserved.
*
* Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
*
* This software licensed under GPL-2.0+
*/
#include "config.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <inttypes.h>
#include "libknet.h"
#include "compress.h"
#include "internals.h"
#include "netutils.h"
#include "test-common.h"
static int private_data;
static void sock_notify(void *pvt_data,
int datafd,
int8_t channel,
uint8_t tx_rx,
int error,
int errorno)
{
return;
}
static void test(const char *model)
{
knet_handle_t knet_h1, knet_h[2];
int logfds[2];
int datafd = 0;
int8_t channel = 0;
struct knet_handle_stats stats;
char send_buff[KNET_MAX_PACKET_SIZE];
char recv_buff[KNET_MAX_PACKET_SIZE];
ssize_t send_len = 0;
int recv_len = 0;
int savederrno;
int res;
struct sockaddr_storage lo;
struct knet_handle_crypto_cfg knet_handle_crypto_cfg;
memset(send_buff, 0, sizeof(send_buff));
setup_logpipes(logfds);
knet_h1 = knet_handle_start(logfds, KNET_LOG_DEBUG, knet_h);
flush_logs(logfds[0], stdout);
printf("Test knet_send with %s and valid data\n", model);
memset(&knet_handle_crypto_cfg, 0, sizeof(struct knet_handle_crypto_cfg));
strncpy(knet_handle_crypto_cfg.crypto_model, model, sizeof(knet_handle_crypto_cfg.crypto_model) - 1);
strncpy(knet_handle_crypto_cfg.crypto_cipher_type, "aes128", sizeof(knet_handle_crypto_cfg.crypto_cipher_type) - 1);
strncpy(knet_handle_crypto_cfg.crypto_hash_type, "sha256", sizeof(knet_handle_crypto_cfg.crypto_hash_type) - 1);
knet_handle_crypto_cfg.private_key_len = 2000;
FAIL_ON_ERR(knet_handle_crypto(knet_h1, &knet_handle_crypto_cfg))
FAIL_ON_ERR(knet_handle_enable_sock_notify(knet_h1, &private_data, sock_notify));
datafd = 0;
channel = -1;
FAIL_ON_ERR(knet_handle_add_datafd(knet_h1, &datafd, &channel));
FAIL_ON_ERR(knet_host_add(knet_h1, 1));
FAIL_ON_ERR(_knet_link_set_config(knet_h1, 1, 0, KNET_TRANSPORT_UDP, 0, AF_INET, 0, &lo));
FAIL_ON_ERR(knet_link_set_enable(knet_h1, 1, 0, 1));
FAIL_ON_ERR(knet_handle_setfwd(knet_h1, 1));
FAIL_ON_ERR(wait_for_host(knet_h1, 1, 10, logfds[0], stdout));
send_len = knet_send(knet_h1, send_buff, KNET_MAX_PACKET_SIZE, channel);
if (send_len <= 0) {
printf("knet_send failed: %s\n", strerror(errno));
CLEAN_EXIT(FAIL);
}
if (send_len != sizeof(send_buff)) {
printf("knet_send sent only %zd bytes: %s\n", send_len, strerror(errno));
CLEAN_EXIT(FAIL);
}
FAIL_ON_ERR(knet_handle_setfwd(knet_h1, 0));
FAIL_ON_ERR(wait_for_packet(knet_h1, 10, datafd, logfds[0], stdout));
recv_len = knet_recv(knet_h1, recv_buff, KNET_MAX_PACKET_SIZE, channel);
savederrno = errno;
if (recv_len != send_len) {
printf("knet_recv received only %d bytes: %s (errno: %d)\n", recv_len, strerror(errno), errno);
if ((is_helgrind()) && (recv_len == -1) && (savederrno == EAGAIN)) {
printf("helgrind exception. this is normal due to possible timeouts\n");
CLEAN_EXIT(PASS);
}
CLEAN_EXIT(FAIL);
}
if (memcmp(recv_buff, send_buff, KNET_MAX_PACKET_SIZE)) {
printf("recv and send buffers are different!\n");
CLEAN_EXIT(FAIL);
}
/* A sanity check on the stats */
if (knet_handle_get_stats(knet_h1, &stats, sizeof(stats)) < 0) {
printf("knet_handle_get_stats failed: %s\n", strerror(errno));
CLEAN_EXIT(FAIL);
}
if (stats.tx_crypt_packets >= 1 ||
stats.rx_crypt_packets < 1) {
printf("stats look wrong: tx_packets: %" PRIu64 ", rx_packets: %" PRIu64 "\n",
stats.tx_crypt_packets,
stats.rx_crypt_packets);
}
CLEAN_EXIT(CONTINUE);
}
int main(int argc, char *argv[])
{
struct knet_crypto_info crypto_list[16];
size_t crypto_list_entries;
size_t i;
#ifdef KNET_BSD
if (is_memcheck() || is_helgrind()) {
printf("valgrind-freebsd cannot run this test properly. Skipping\n");
return SKIP;
}
#endif
memset(crypto_list, 0, sizeof(crypto_list));
if (knet_get_crypto_list(crypto_list, &crypto_list_entries) < 0) {
printf("knet_get_crypto_list failed: %s\n", strerror(errno));
return FAIL;
}
if (crypto_list_entries == 0) {
printf("no crypto modules detected. Skipping\n");
return SKIP;
}
for (i=0; i < crypto_list_entries; i++) {
test(crypto_list[i].name);
}
return PASS;
}
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