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--- xnu/xnu-12377.121.6/tests/tcp_cache_test.c
+++ /dev/null
@@ -1,194 +0,0 @@
-/*
- * Copyright (c) 2025 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-
-#include <darwintest.h>
-#include <sys/sysctl.h>
-#include <netinet/tcp_cache.h>
-#include <arpa/inet.h>
-#include <stdlib.h>
-
-T_DECL(tcp_cache_list_sysctl, "Test retrieving TCP cache list via sysctl")
-{
- size_t size = 0;
- int ret;
-
- // First call to get the required buffer size
- ret = sysctlbyname("net.inet.tcp.cache_list", NULL, &size, NULL, 0);
- if (ret == -1) {
- T_SKIP("sysctlbyname(\"net.inet.tcp.cache_list\") error: %d", errno);
- }
-
- T_LOG("TCP cache list size: %zu bytes", size);
-
- if (size == 0) {
- T_PASS("No TCP cache entries found");
- }
-
- // Allocate buffer and retrieve the data
- void *buffer = malloc(size);
- T_QUIET; T_ASSERT_NOTNULL(buffer, "malloc buffer");
-
- ret = sysctlbyname("net.inet.tcp.cache_list", buffer, &size, NULL, 0);
- T_ASSERT_POSIX_SUCCESS(ret, "sysctlbyname to get data");
-
- // Calculate number of entries
- size_t num_entries = size / sizeof(struct tcp_cache_data);
- T_LOG("Found %zu TCP cache entries", num_entries);
-
- struct tcp_cache_data *entries = (struct tcp_cache_data *)buffer;
-
- // Log all fields of each entry
- for (size_t i = 0; i < num_entries; i++) {
- struct tcp_cache_data *entry = &entries[i];
-
- T_LOG("Entry %zu:", i);
- T_LOG(" tc_last_access: %u", entry->tc_last_access);
- T_LOG(" tc_key.tck_family: %d", entry->tc_key.tck_family);
-
- // Log source key info
- T_LOG(" tc_key.tck_src.thk_family: %d", entry->tc_key.tck_src.thk_family);
- if (entry->tc_key.tck_src.thk_family == AF_INET) {
- T_LOG(" tc_key.tck_src IP: %s", inet_ntoa(entry->tc_key.tck_src.thk_ip.addr));
- } else if (entry->tc_key.tck_src.thk_family == AF_INET6) {
- char addr_str[INET6_ADDRSTRLEN];
- inet_ntop(AF_INET6, &entry->tc_key.tck_src.thk_ip.addr6, addr_str, sizeof(addr_str));
- T_LOG(" tc_key.tck_src IPv6: %s", addr_str);
- }
-
- // Log destination address
- if (entry->tc_key.tck_family == AF_INET) {
- T_LOG(" tc_key.tck_dst IP: %s", inet_ntoa(entry->tc_key.tck_dst.addr));
- } else if (entry->tc_key.tck_family == AF_INET6) {
- char addr_str[INET6_ADDRSTRLEN];
- inet_ntop(AF_INET6, &entry->tc_key.tck_dst.addr6, addr_str, sizeof(addr_str));
- T_LOG(" tc_key.tck_dst IPv6: %s", addr_str);
- }
-
- // Log TFO cookie info
- T_LOG(" tc_tfo_cookie_len: %u", entry->tc_tfo_cookie_len);
- if (entry->tc_tfo_cookie_len > 0) {
- char cookie_hex[TFO_COOKIE_LEN_MAX * 2 + 1] = {0};
- for (int j = 0; j < entry->tc_tfo_cookie_len && j < TFO_COOKIE_LEN_MAX; j++) {
- snprintf(cookie_hex + j * 2, 3, "%02x", entry->tc_tfo_cookie[j]);
- }
- T_LOG(" tc_tfo_cookie: %s", cookie_hex);
- }
-
- // Log MPTCP info
- T_LOG(" tc_mptcp_version_confirmed: %u", entry->tc_mptcp_version_confirmed);
- T_LOG(" tc_mptcp_version: %u", entry->tc_mptcp_version);
- T_LOG(" tc_mptcp_next_version_try: %u", entry->tc_mptcp_next_version_try);
- T_LOG(""); // Empty line between entries
- }
-
- free(buffer);
-
- T_PASS("%s", __func__);
-}
-
-T_DECL(tcp_heuristics_list_sysctl, "Test retrieving TCP heuristics list via sysctl")
-{
- size_t size = 0;
- int ret;
-
- // First call to get the required buffer size
- ret = sysctlbyname("net.inet.tcp.heuristics_list", NULL, &size, NULL, 0);
- if (ret == -1) {
- T_SKIP("sysctlbyname(\"net.inet.tcp.cache_list\") error: %d", errno);
- }
-
- T_LOG("TCP heuristics list size: %zu bytes", size);
-
- if (size == 0) {
- T_PASS("No TCP heuristics entries found");
- }
-
- // Allocate buffer and retrieve the data
- void *buffer = malloc(size);
- T_QUIET; T_ASSERT_NOTNULL(buffer, "malloc buffer");
-
- ret = sysctlbyname("net.inet.tcp.heuristics_list", buffer, &size, NULL, 0);
- T_ASSERT_POSIX_SUCCESS(ret, "sysctlbyname to get data");
-
- // Calculate number of entries
- size_t num_entries = size / sizeof(struct tcp_heuristics_data);
- T_LOG("Found %zu TCP heuristics entries", num_entries);
-
- struct tcp_heuristics_data *entries = (struct tcp_heuristics_data *)buffer;
-
- // Log all fields of each entry
- for (size_t i = 0; i < num_entries; i++) {
- struct tcp_heuristics_data *entry = &entries[i];
-
- T_LOG("Heuristics Entry %zu:", i);
- T_LOG(" th_last_access: %u", entry->th_last_access);
- T_LOG(" th_key.thk_family: %d", entry->th_key.thk_family);
-
- // Log source key info
- if (entry->th_key.thk_family == AF_INET) {
- T_LOG(" th_key.thk_ip IP: %s", inet_ntoa(entry->th_key.thk_ip.addr));
- } else if (entry->th_key.thk_family == AF_INET6) {
- char addr_str[INET6_ADDRSTRLEN];
- inet_ntop(AF_INET6, &entry->th_key.thk_ip.addr6, addr_str, sizeof(addr_str));
- T_LOG(" th_key.thk_ip IPv6: %s", addr_str);
- }
-
- // Log TFO heuristics
- T_LOG(" th_tfo_data_loss: %u", entry->th_tfo_data_loss);
- T_LOG(" th_tfo_req_loss: %u", entry->th_tfo_req_loss);
- T_LOG(" th_tfo_data_rst: %u", entry->th_tfo_data_rst);
-
-
- T_LOG(" th_tfo_req_rst: %u", entry->th_tfo_req_rst);
-
- // Log MPTCP heuristics
- T_LOG(" th_mptcp_loss: %u", entry->th_mptcp_loss);
- T_LOG(" th_mptcp_success: %u", entry->th_mptcp_success);
-
- // Log ECN heuristics
- T_LOG(" th_ecn_droprst: %u", entry->th_ecn_droprst);
- T_LOG(" th_ecn_synrst: %u", entry->th_ecn_synrst);
-
- // Log timing information
- T_LOG(" th_tfo_enabled_time: %u", entry->th_tfo_enabled_time);
- T_LOG(" th_tfo_backoff_until: %u", entry->th_tfo_backoff_until);
- T_LOG(" th_tfo_backoff: %u", entry->th_tfo_backoff);
- T_LOG(" th_mptcp_backoff: %u", entry->th_mptcp_backoff);
- T_LOG(" th_ecn_backoff: %u", entry->th_ecn_backoff);
-
- // Log flags
- T_LOG(" th_tfo_in_backoff: %u", entry->th_tfo_in_backoff);
- T_LOG(" th_mptcp_in_backoff: %u", entry->th_mptcp_in_backoff);
- T_LOG(" th_mptcp_heuristic_disabled: %u", entry->th_mptcp_heuristic_disabled);
- T_LOG(""); // Empty line between entries
- }
-
- free(buffer);
-
- T_PASS("%s", __func__);
-}