8ec6562b6d
readlink and readlinkat are the only syscalls in this class. open and openat are as well, but they'll be handled in a different file. Also, tidy up the copyright headers of recently added files in this area. Submitted by: aniketp MFC after: 2 weeks Sponsored by: Google, Inc. (GSoC 2018) Differential Revision: https://reviews.freebsd.org/D15636
137 lines
3.7 KiB
C
137 lines
3.7 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 char buff[1024];
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static const char *path = "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(readlink_success);
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ATF_TC_HEAD(readlink_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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"readlink(2) call");
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}
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ATF_TC_BODY(readlink_success, tc)
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{
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memset(buff, 0, sizeof(buff));
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ATF_REQUIRE_EQ(0, symlink("symlink", path));
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FILE *pipefd = setup(fds, "fr");
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ATF_REQUIRE(readlink(path, buff, sizeof(buff)-1) != -1);
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check_audit(fds, successreg, pipefd);
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}
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ATF_TC_CLEANUP(readlink_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(readlink_failure);
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ATF_TC_HEAD(readlink_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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"readlink(2) call");
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}
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ATF_TC_BODY(readlink_failure, tc)
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{
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memset(buff, 0, sizeof(buff));
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FILE *pipefd = setup(fds, "fr");
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/* Failure reason: symbolic link does not exist */
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ATF_REQUIRE_EQ(-1, readlink(path, buff, sizeof(buff)-1));
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check_audit(fds, failurereg, pipefd);
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}
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ATF_TC_CLEANUP(readlink_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(readlinkat_success);
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ATF_TC_HEAD(readlinkat_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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"readlinkat(2) call");
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}
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ATF_TC_BODY(readlinkat_success, tc)
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{
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memset(buff, 0, sizeof(buff));
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ATF_REQUIRE_EQ(0, symlink("symlink", path));
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FILE *pipefd = setup(fds, "fr");
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ATF_REQUIRE(readlinkat(AT_FDCWD, path, buff, sizeof(buff)-1) != -1);
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check_audit(fds, successreg, pipefd);
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}
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ATF_TC_CLEANUP(readlinkat_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(readlinkat_failure);
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ATF_TC_HEAD(readlinkat_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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"readlinkat(2) call");
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}
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ATF_TC_BODY(readlinkat_failure, tc)
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{
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memset(buff, 0, sizeof(buff));
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FILE *pipefd = setup(fds, "fr");
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/* Failure reason: symbolic link does not exist */
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ATF_REQUIRE_EQ(-1, readlinkat(AT_FDCWD, path, buff, sizeof(buff)-1));
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check_audit(fds, failurereg, pipefd);
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}
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ATF_TC_CLEANUP(readlinkat_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, readlink_success);
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ATF_TP_ADD_TC(tp, readlink_failure);
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ATF_TP_ADD_TC(tp, readlinkat_success);
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ATF_TP_ADD_TC(tp, readlinkat_failure);
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return (atf_no_error());
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}
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