audit(4): Add a few tests for network-related syscalls
Add tests for socket(2), socketpair(2), and setsockopt(2) Submitted by: aniketp MFC after: 2 weeks Sponsored by: Google, Inc. (GSoC 2018) Differential Revision: https://reviews.freebsd.org/D15803
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=335215
@ -10,6 +10,7 @@ ATF_TESTS_C+= file-close
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ATF_TESTS_C+= file-write
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ATF_TESTS_C+= file-read
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ATF_TESTS_C+= open
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ATF_TESTS_C+= network
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SRCS.file-attribute-access+= file-attribute-access.c
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SRCS.file-attribute-access+= utils.c
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@ -27,6 +28,8 @@ SRCS.file-read+= file-read.c
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SRCS.file-read+= utils.c
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SRCS.open+= open.c
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SRCS.open+= utils.c
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SRCS.network+= network.c
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SRCS.network+= utils.c
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TEST_METADATA+= timeout="30"
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TEST_METADATA+= required_user="root"
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214
tests/sys/audit/network.c
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214
tests/sys/audit/network.c
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@ -0,0 +1,214 @@
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/*-
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* Copyright (c) 2018 Aniket Pandey
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <atf-c.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include "utils.h"
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static int sockfd;
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static struct pollfd fds[1];
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static char extregex[80];
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static const char *auclass = "nt";
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static const char *failregex = "return,failure : Address family "
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"not supported by protocol family";
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/*
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* Variadic function to close socket descriptors
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*/
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static void
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close_sockets(int count, ...)
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{
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int sockd;
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va_list socklist;
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va_start(socklist, count);
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for (sockd = 0; sockd < count; sockd++) {
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close(va_arg(socklist, int));
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}
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va_end(socklist);
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}
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ATF_TC_WITH_CLEANUP(socket_success);
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ATF_TC_HEAD(socket_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"socket(2) call");
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}
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ATF_TC_BODY(socket_success, tc)
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{
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
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/* Check the presence of sockfd in audit record */
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snprintf(extregex, sizeof(extregex), "socket.*ret.*success,%d", sockfd);
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check_audit(fds, extregex, pipefd);
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close(sockfd);
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}
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ATF_TC_CLEANUP(socket_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(socket_failure);
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ATF_TC_HEAD(socket_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"socket(2) call");
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}
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ATF_TC_BODY(socket_failure, tc)
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{
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snprintf(extregex, sizeof(extregex), "socket.*%s", failregex);
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: Unsupported value of 'domain' argument: 0 */
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ATF_REQUIRE_EQ(-1, socket(0, SOCK_STREAM, 0));
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(socket_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(socketpair_success);
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ATF_TC_HEAD(socketpair_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"socketpair(2) call");
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}
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ATF_TC_BODY(socketpair_success, tc)
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{
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int sv[2];
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE_EQ(0, socketpair(PF_UNIX, SOCK_STREAM, 0, sv));
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/* Check for 0x0 (argument 3: default protocol) in the audit record */
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snprintf(extregex, sizeof(extregex), "socketpair.*0x0.*return,success");
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check_audit(fds, extregex, pipefd);
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close_sockets(2, sv[0], sv[1]);
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}
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ATF_TC_CLEANUP(socketpair_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(socketpair_failure);
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ATF_TC_HEAD(socketpair_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"socketpair(2) call");
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}
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ATF_TC_BODY(socketpair_failure, tc)
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{
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snprintf(extregex, sizeof(extregex), "socketpair.*%s", failregex);
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: Unsupported value of 'domain' argument: 0 */
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ATF_REQUIRE_EQ(-1, socketpair(0, SOCK_STREAM, 0, NULL));
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(socketpair_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(setsockopt_success);
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ATF_TC_HEAD(setsockopt_success, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
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"setsockopt(2) call");
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}
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ATF_TC_BODY(setsockopt_success, tc)
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{
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int tr = 1;
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ATF_REQUIRE((sockfd = socket(PF_UNIX, SOCK_STREAM, 0)) != -1);
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/* Check the presence of sockfd in audit record */
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snprintf(extregex, sizeof(extregex),
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"setsockopt.*0x%x.*return,success", sockfd);
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE_EQ(0, setsockopt(sockfd, SOL_SOCKET,
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SO_REUSEADDR, &tr, sizeof(int)));
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check_audit(fds, extregex, pipefd);
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close(sockfd);
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}
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ATF_TC_CLEANUP(setsockopt_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(setsockopt_failure);
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ATF_TC_HEAD(setsockopt_failure, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
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"setsockopt(2) call");
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}
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ATF_TC_BODY(setsockopt_failure, tc)
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{
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int tr = 1;
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const char *regex = "setsockopt.*fail.*Socket operation on non-socket";
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: No socket descriptor with the value of 0 exists */
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ATF_REQUIRE_EQ(-1, setsockopt(0, SOL_SOCKET,
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SO_REUSEADDR, &tr, sizeof(int)));
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check_audit(fds, regex, pipefd);
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}
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ATF_TC_CLEANUP(setsockopt_failure, tc)
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{
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cleanup();
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, socket_success);
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ATF_TP_ADD_TC(tp, socket_failure);
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ATF_TP_ADD_TC(tp, socketpair_success);
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ATF_TP_ADD_TC(tp, socketpair_failure);
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ATF_TP_ADD_TC(tp, setsockopt_success);
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ATF_TP_ADD_TC(tp, setsockopt_failure);
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return (atf_no_error());
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}
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