svn commit: r336875 - head/tests/sys/audit

Alan Somers asomers at FreeBSD.org
Sun Jul 29 20:34:45 UTC 2018


Author: asomers
Date: Sun Jul 29 20:34:44 2018
New Revision: 336875
URL: https://svnweb.freebsd.org/changeset/base/336875

Log:
  audit(4): add tests for sysctl(3) and sysarch(2)
  
  Submitted by:	aniketp
  MFC after:	2 weeks
  Sponsored by:	Google, Inc. (GSoC 2018)
  Differential Revision:	https://reviews.freebsd.org/D16116

Added:
  head/tests/sys/audit/miscellaneous.c   (contents, props changed)
Modified:
  head/tests/sys/audit/Makefile

Modified: head/tests/sys/audit/Makefile
==============================================================================
--- head/tests/sys/audit/Makefile	Sun Jul 29 19:20:13 2018	(r336874)
+++ head/tests/sys/audit/Makefile	Sun Jul 29 20:34:44 2018	(r336875)
@@ -15,6 +15,7 @@ ATF_TESTS_C+=	network
 ATF_TESTS_C+=	inter-process
 ATF_TESTS_C+=	administrative
 ATF_TESTS_C+=	process-control
+ATF_TESTS_C+=	miscellaneous
 
 SRCS.file-attribute-access+=	file-attribute-access.c
 SRCS.file-attribute-access+=	utils.c
@@ -42,6 +43,8 @@ SRCS.administrative+=		administrative.c
 SRCS.administrative+=		utils.c
 SRCS.process-control+=		process-control.c
 SRCS.process-control+=		utils.c
+SRCS.miscellaneous+=		miscellaneous.c
+SRCS.miscellaneous+=		utils.c
 
 TEST_METADATA+= timeout="30"
 TEST_METADATA+= required_user="root"

Added: head/tests/sys/audit/miscellaneous.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/tests/sys/audit/miscellaneous.c	Sun Jul 29 20:34:44 2018	(r336875)
@@ -0,0 +1,232 @@
+/*-
+ * Copyright (c) 2018 Aniket Pandey
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/types.h>
+#include <sys/sysctl.h>
+
+#include <bsm/audit.h>
+#include <machine/sysarch.h>
+
+#include <atf-c.h>
+#include <unistd.h>
+
+#include "utils.h"
+
+static pid_t pid;
+static char miscreg[80];
+static struct pollfd fds[1];
+static const char *auclass = "ot";
+
+
+/*
+ * Success case of audit(2) is skipped for now as the behaviour is quite
+ * undeterministic. It will be added when the intermittency is resolved.
+ */
+
+
+ATF_TC_WITH_CLEANUP(audit_failure);
+ATF_TC_HEAD(audit_failure, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
+					"audit(2) call");
+}
+
+ATF_TC_BODY(audit_failure, tc)
+{
+	pid = getpid();
+	snprintf(miscreg, sizeof(miscreg), "audit.*%d.*return,failure", pid);
+
+	FILE *pipefd = setup(fds, auclass);
+	/* Failure reason: Invalid argument */
+	ATF_REQUIRE_EQ(-1, audit(NULL, -1));
+	check_audit(fds, miscreg, pipefd);
+}
+
+ATF_TC_CLEANUP(audit_failure, tc)
+{
+	cleanup();
+}
+
+
+ATF_TC_WITH_CLEANUP(sysarch_success);
+ATF_TC_HEAD(sysarch_success, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
+					"sysarch(2) call");
+}
+
+ATF_TC_BODY(sysarch_success, tc)
+{
+	pid = getpid();
+	snprintf(miscreg, sizeof(miscreg), "sysarch.*%d.*return,success", pid);
+
+	/* Set sysnum to the syscall corresponding to the system architecture */
+#if defined(I386_GET_IOPERM)		/* i386 */
+	struct i386_ioperm_args i3sysarg;
+	bzero(&i3sysarg, sizeof(i3sysarg));
+
+#elif defined(AMD64_GET_FSBASE)		/* amd64 */
+	register_t amd64arg;
+
+#elif defined(MIPS_GET_TLS)		/* MIPS */
+	char *mipsarg;
+
+#elif defined(ARM_SYNC_ICACHE)		/* ARM */
+	struct arm_sync_icache_args armsysarg;
+	bzero(&armsysarg, sizeof(armsysarg));
+
+#elif defined(SPARC_UTRAP_INSTALL)	/* Sparc64 */
+	struct sparc_utrap_args handler = {
+		.type		= UT_DIVISION_BY_ZERO,
+		/* We don't want to change the previous handlers */
+		.new_precise	= (void *)UTH_NOCHANGE,
+		.new_deferred	= (void *)UTH_NOCHANGE,
+		.old_precise	= NULL,
+		.old_deferred	= NULL
+	};
+
+	struct sparc_utrap_install_args sparc64arg = {
+		.num 		= ST_DIVISION_BY_ZERO,
+		.handlers	= &handler
+	};
+#else
+	/* For PowerPC, ARM64, RISCV archs, sysarch(2) is not supported */
+	atf_tc_skip("sysarch(2) is not supported for the system architecture");
+#endif
+
+	FILE *pipefd = setup(fds, auclass);
+#if defined(I386_GET_IOPERM)
+	ATF_REQUIRE_EQ(0, sysarch(I386_GET_IOPERM, &i3sysarg));
+#elif defined(AMD64_GET_FSBASE)
+	ATF_REQUIRE_EQ(0, sysarch(AMD64_GET_FSBASE, &amd64arg));
+#elif defined(MIPS_GET_TLS)
+	ATF_REQUIRE_EQ(0, sysarch(MIPS_GET_TLS, &mipsarg));
+#elif defined(ARM_SYNC_ICACHE)
+	ATF_REQUIRE_EQ(0, sysarch(ARM_SYNC_ICACHE, &armsysarg));
+#elif defined(SPARC_UTRAP_INSTALL)
+	ATF_REQUIRE_EQ(0, sysarch(SPARC_UTRAP_INSTALL, &sparc64arg));
+#endif
+	check_audit(fds, miscreg, pipefd);
+}
+
+ATF_TC_CLEANUP(sysarch_success, tc)
+{
+	cleanup();
+}
+
+
+ATF_TC_WITH_CLEANUP(sysarch_failure);
+ATF_TC_HEAD(sysarch_failure, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
+				       "sysarch(2) call for any architecture");
+}
+
+ATF_TC_BODY(sysarch_failure, tc)
+{
+	pid = getpid();
+	snprintf(miscreg, sizeof(miscreg), "sysarch.*%d.*return,failure", pid);
+
+	FILE *pipefd = setup(fds, auclass);
+	/* Failure reason: Invalid argument and Bad address */
+	ATF_REQUIRE_EQ(-1, sysarch(-1, NULL));
+	check_audit(fds, miscreg, pipefd);
+}
+
+ATF_TC_CLEANUP(sysarch_failure, tc)
+{
+	cleanup();
+}
+
+
+ATF_TC_WITH_CLEANUP(sysctl_success);
+ATF_TC_HEAD(sysctl_success, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
+					"sysctl(3) call");
+}
+
+ATF_TC_BODY(sysctl_success, tc)
+{
+	int mib[2], maxproc;
+	size_t proclen;
+
+	/* Set mib to retrieve the maximum number of allowed processes */
+	mib[0] = CTL_KERN;
+	mib[1] = KERN_MAXPROC;
+	proclen = sizeof(maxproc);
+
+	pid = getpid();
+	snprintf(miscreg, sizeof(miscreg), "sysctl.*%d.*return,success", pid);
+
+	FILE *pipefd = setup(fds, auclass);
+	ATF_REQUIRE_EQ(0, sysctl(mib, 2, &maxproc, &proclen, NULL, 0));
+	check_audit(fds, miscreg, pipefd);
+}
+
+ATF_TC_CLEANUP(sysctl_success, tc)
+{
+	cleanup();
+}
+
+
+ATF_TC_WITH_CLEANUP(sysctl_failure);
+ATF_TC_HEAD(sysctl_failure, tc)
+{
+	atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
+					"sysctl(3) call");
+}
+
+ATF_TC_BODY(sysctl_failure, tc)
+{
+	pid = getpid();
+	snprintf(miscreg, sizeof(miscreg), "sysctl.*%d.*return,failure", pid);
+
+	FILE *pipefd = setup(fds, auclass);
+	/* Failure reason: Invalid arguments */
+	ATF_REQUIRE_EQ(-1, sysctl(NULL, 0, NULL, NULL, NULL, 0));
+	check_audit(fds, miscreg, pipefd);
+}
+
+ATF_TC_CLEANUP(sysctl_failure, tc)
+{
+	cleanup();
+}
+
+
+ATF_TP_ADD_TCS(tp)
+{
+	ATF_TP_ADD_TC(tp, audit_failure);
+
+	ATF_TP_ADD_TC(tp, sysarch_success);
+	ATF_TP_ADD_TC(tp, sysarch_failure);
+
+	ATF_TP_ADD_TC(tp, sysctl_success);
+	ATF_TP_ADD_TC(tp, sysctl_failure);
+
+	return (atf_no_error());
+}


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