/*
* Copyright (c) 2021 Apple 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 <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <darwintest.h>
T_DECL(so_linger_negative, "SO_LINGER negative")
{
int s = -1;
T_ASSERT_POSIX_SUCCESS(s = socket(AF_LOCAL, SOCK_DGRAM, 0), "socket(AF_LOCAL, SOCK_DGRAM)");
struct linger set_l = {};
set_l.l_onoff = 1;
set_l.l_linger = -1;
T_LOG("l_linger %d", set_l.l_linger);
T_ASSERT_POSIX_SUCCESS(setsockopt(s, SOL_SOCKET, SO_LINGER,
&set_l, sizeof(struct linger)),
"setsockopt SO_LINGER");
struct linger get_l = {};
socklen_t len = sizeof(struct linger);
T_ASSERT_POSIX_SUCCESS(getsockopt(s, SOL_SOCKET, SO_LINGER,
&get_l, &len),
"getsockopt SO_LINGER");
T_EXPECT_EQ(set_l.l_linger, get_l.l_linger,
"SO_LINGER negative l_linger %d == %d", set_l.l_linger, get_l.l_linger);
}
T_DECL(so_linger_overflow, "SO_LINGER overflow")
{
int s = -1;
T_ASSERT_POSIX_SUCCESS(s = socket(AF_LOCAL, SOCK_DGRAM, 0), "socket(AF_LOCAL, SOCK_DGRAM)");
struct linger set_l = {};
set_l.l_onoff = 1;
set_l.l_linger = SHRT_MAX + 1;
T_LOG("l_linger %d", set_l.l_linger);
T_ASSERT_POSIX_SUCCESS(setsockopt(s, SOL_SOCKET, SO_LINGER,
&set_l, sizeof(struct linger)),
"setsockopt SO_LINGER");
struct linger get_l = {};
socklen_t len = sizeof(struct linger);
T_ASSERT_POSIX_SUCCESS(getsockopt(s, SOL_SOCKET, SO_LINGER,
&get_l, &len),
"getsockopt SO_LINGER");
/*
* Test passes based on the knowledge that l_linger is stored
* as a short signed integer
*/
T_EXPECT_EQ((short)set_l.l_linger, (short)get_l.l_linger,
"SO_LINGER overflow l_linger (short) %d == (short) %d",
set_l.l_linger, get_l.l_linger);
}
T_DECL(so_linger_500, "SO_LINGER 500")
{
int s = -1;
T_ASSERT_POSIX_SUCCESS(s = socket(AF_LOCAL, SOCK_DGRAM, 0), "socket(AF_LOCAL, SOCK_DGRAM)");
struct clockinfo clkinfo;
size_t oldlen = sizeof(struct clockinfo);
T_ASSERT_POSIX_SUCCESS(sysctlbyname("kern.clockrate", &clkinfo, &oldlen, NULL, 0),
"sysctlbyname(kern.clockrate)");
struct linger set_l = {};
set_l.l_onoff = 1;
set_l.l_linger = 500;
T_ASSERT_POSIX_SUCCESS(setsockopt(s, SOL_SOCKET, SO_LINGER,
&set_l, sizeof(struct linger)),
"setsockopt SO_LINGER");
struct linger get_l = {};
socklen_t len = sizeof(struct linger);
T_ASSERT_POSIX_SUCCESS(getsockopt(s, SOL_SOCKET, SO_LINGER,
&get_l, &len),
"getsockopt SO_LINGER");
T_EXPECT_EQ(set_l.l_linger, get_l.l_linger,
"SO_LINGER 500 l_linger %d == %d", set_l.l_linger, get_l.l_linger);
}
T_DECL(so_linger_sec_negative, "SO_LINGER_SEC negative")
{
int s = -1;
T_ASSERT_POSIX_SUCCESS(s = socket(AF_LOCAL, SOCK_DGRAM, 0), "socket(AF_LOCAL, SOCK_DGRAM)");
struct clockinfo clkinfo;
size_t oldlen = sizeof(struct clockinfo);
T_ASSERT_POSIX_SUCCESS(sysctlbyname("kern.clockrate", &clkinfo, &oldlen, NULL, 0),
"sysctlbyname(kern.clockrate)");
struct linger set_l = {};
set_l.l_onoff = 1;
set_l.l_linger = -1;
T_LOG("l_linger %d * clkinfo.hz %d = %d", set_l.l_linger, clkinfo.hz, (set_l.l_linger * clkinfo.hz));
T_ASSERT_POSIX_SUCCESS(setsockopt(s, SOL_SOCKET, SO_LINGER_SEC,
&set_l, sizeof(struct linger)),
"setsockopt SO_LINGER_SEC");
struct linger get_l = {};
socklen_t len = sizeof(struct linger);
T_ASSERT_POSIX_SUCCESS(getsockopt(s, SOL_SOCKET, SO_LINGER_SEC,
&get_l, &len),
"getsockopt SO_LINGER_SEC");
T_EXPECT_EQ(set_l.l_linger, get_l.l_linger,
"SO_LINGER_SEC negative l_linger %d == %d", set_l.l_linger, get_l.l_linger);
}
T_DECL(so_linger_sec_5_seconds, "SO_LINGER_SEC 5 seconds")
{
int s = -1;
T_ASSERT_POSIX_SUCCESS(s = socket(AF_LOCAL, SOCK_DGRAM, 0), "socket(AF_LOCAL, SOCK_DGRAM)");
struct clockinfo clkinfo;
size_t oldlen = sizeof(struct clockinfo);
T_ASSERT_POSIX_SUCCESS(sysctlbyname("kern.clockrate", &clkinfo, &oldlen, NULL, 0),
"sysctlbyname(kern.clockrate)");
struct linger set_l = {};
set_l.l_onoff = 1;
set_l.l_linger = 5;
T_LOG("l_linger %d * clkinfo.hz %d = %d", set_l.l_linger, clkinfo.hz, (set_l.l_linger * clkinfo.hz));
T_ASSERT_POSIX_SUCCESS(setsockopt(s, SOL_SOCKET, SO_LINGER_SEC,
&set_l, sizeof(struct linger)),
"setsockopt SO_LINGER_SEC");
struct linger get_l = {};
socklen_t len = sizeof(struct linger);
T_ASSERT_POSIX_SUCCESS(getsockopt(s, SOL_SOCKET, SO_LINGER_SEC,
&get_l, &len),
"getsockopt SO_LINGER_SEC");
T_EXPECT_EQ(set_l.l_linger, get_l.l_linger,
"SO_LINGER_SEC 5 seconds l_linger %d == %d", set_l.l_linger, get_l.l_linger);
}