26f5ecb775
truncate and ftruncate are the only syscalls in this class, apart from certain variations of open and openat, which will be handled in a different file. Submitted by: aniketp MFC after: 2 weeks Sponsored by: Google, Inc. (GSoC 2018) Differential Revision: https://reviews.freebsd.org/D15640
140 lines
3.8 KiB
C
140 lines
3.8 KiB
C
/*-
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* Copyright 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 <atf-c.h>
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#include <fcntl.h>
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#include "utils.h"
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static struct pollfd fds[1];
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static mode_t mode = 0777;
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static off_t offlen = 0;
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static const char *path = "fileforaudit";
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static const char *errpath = "dirdoesnotexist/fileforaudit";
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static const char *successreg = "fileforaudit.*return,success";
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static const char *failurereg = "fileforaudit.*return,failure";
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ATF_TC_WITH_CLEANUP(truncate_success);
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ATF_TC_HEAD(truncate_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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"truncate(2) call");
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}
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ATF_TC_BODY(truncate_success, tc)
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{
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/* File needs to exist to call truncate(2) */
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ATF_REQUIRE(open(path, O_CREAT, mode) != -1);
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FILE *pipefd = setup(fds, "fw");
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ATF_REQUIRE_EQ(0, truncate(path, offlen));
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check_audit(fds, successreg, pipefd);
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}
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ATF_TC_CLEANUP(truncate_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(truncate_failure);
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ATF_TC_HEAD(truncate_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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"truncate(2) call");
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}
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ATF_TC_BODY(truncate_failure, tc)
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{
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FILE *pipefd = setup(fds, "fw");
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/* Failure reason: file does not exist */
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ATF_REQUIRE_EQ(-1, truncate(errpath, offlen));
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check_audit(fds, failurereg, pipefd);
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}
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ATF_TC_CLEANUP(truncate_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(ftruncate_success);
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ATF_TC_HEAD(ftruncate_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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"ftruncate(2) call");
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}
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ATF_TC_BODY(ftruncate_success, tc)
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{
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int filedesc;
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const char *regex = "ftruncate.*return,success";
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/* Valid file descriptor needs to exist to call ftruncate(2) */
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ATF_REQUIRE((filedesc = open(path, O_CREAT | O_RDWR)) != -1);
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FILE *pipefd = setup(fds, "fw");
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ATF_REQUIRE_EQ(0, ftruncate(filedesc, offlen));
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check_audit(fds, regex, pipefd);
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}
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ATF_TC_CLEANUP(ftruncate_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(ftruncate_failure);
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ATF_TC_HEAD(ftruncate_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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"ftruncate(2) call");
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}
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ATF_TC_BODY(ftruncate_failure, tc)
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{
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const char *regex = "ftruncate.*return,failure";
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FILE *pipefd = setup(fds, "fw");
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/* Failure reason: bad file descriptor */
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ATF_REQUIRE_EQ(-1, ftruncate(-1, offlen));
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check_audit(fds, regex, pipefd);
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}
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ATF_TC_CLEANUP(ftruncate_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, truncate_success);
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ATF_TP_ADD_TC(tp, truncate_failure);
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ATF_TP_ADD_TC(tp, ftruncate_success);
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ATF_TP_ADD_TC(tp, ftruncate_failure);
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return (atf_no_error());
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}
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