audit(4): add tests for utimes(2) and friends, mprotect, and undelete
Includes utimes(2), futimes(2), lutimes(2), futimesat(2), mprotect(2), and undelete(2). undelete, for now, is tested only in failure mode. Submitted by: aniketp MFC after: 2 weeks Sponsored by: Google, Inc. (GSoC 2018) Differential Revision: https://reviews.freebsd.org/D15893
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asomers
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@ -28,10 +28,13 @@
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#include <sys/types.h>
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#include <sys/extattr.h>
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#include <sys/file.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <atf-c.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <unistd.h>
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#include "utils.h"
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@ -689,6 +692,257 @@ ATF_TC_CLEANUP(lchflags_failure, tc)
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}
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ATF_TC_WITH_CLEANUP(utimes_success);
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ATF_TC_HEAD(utimes_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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"utimes(2) call");
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}
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ATF_TC_BODY(utimes_success, tc)
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{
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/* File needs to exist to call utimes(2) */
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ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE_EQ(0, utimes(path, NULL));
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check_audit(fds, successreg, pipefd);
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close(filedesc);
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}
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ATF_TC_CLEANUP(utimes_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(utimes_failure);
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ATF_TC_HEAD(utimes_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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"utimes(2) call");
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}
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ATF_TC_BODY(utimes_failure, tc)
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{
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: file does not exist */
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ATF_REQUIRE_EQ(-1, utimes(errpath, NULL));
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check_audit(fds, failurereg, pipefd);
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}
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ATF_TC_CLEANUP(utimes_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(futimes_success);
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ATF_TC_HEAD(futimes_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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"futimes(2) call");
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}
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ATF_TC_BODY(futimes_success, tc)
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{
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pid = getpid();
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snprintf(extregex, sizeof(extregex), "futimes.*%d.*ret.*success", pid);
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/* File needs to exist to call futimes(2) */
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ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE_EQ(0, futimes(filedesc, NULL));
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check_audit(fds, extregex, pipefd);
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close(filedesc);
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}
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ATF_TC_CLEANUP(futimes_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(futimes_failure);
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ATF_TC_HEAD(futimes_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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"futimes(2) call");
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}
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ATF_TC_BODY(futimes_failure, tc)
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{
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const char *regex = "futimes.*return,failure : Bad file descriptor";
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: Invalid file descriptor */
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ATF_REQUIRE_EQ(-1, futimes(-1, NULL));
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check_audit(fds, regex, pipefd);
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}
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ATF_TC_CLEANUP(futimes_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(lutimes_success);
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ATF_TC_HEAD(lutimes_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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"lutimes(2) call");
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}
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ATF_TC_BODY(lutimes_success, tc)
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{
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/* Symbolic link needs to exist to call lutimes(2) */
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ATF_REQUIRE_EQ(0, symlink("symlink", path));
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE_EQ(0, lutimes(path, NULL));
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check_audit(fds, successreg, pipefd);
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}
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ATF_TC_CLEANUP(lutimes_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(lutimes_failure);
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ATF_TC_HEAD(lutimes_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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"lutimes(2) call");
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}
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ATF_TC_BODY(lutimes_failure, tc)
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{
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: symbolic link does not exist */
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ATF_REQUIRE_EQ(-1, lutimes(errpath, NULL));
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check_audit(fds, failurereg, pipefd);
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}
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ATF_TC_CLEANUP(lutimes_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(futimesat_success);
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ATF_TC_HEAD(futimesat_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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"futimesat(2) call");
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}
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ATF_TC_BODY(futimesat_success, tc)
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{
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/* File needs to exist to call futimesat(2) */
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ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE_EQ(0, futimesat(AT_FDCWD, path, NULL));
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check_audit(fds, successreg, pipefd);
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close(filedesc);
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}
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ATF_TC_CLEANUP(futimesat_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(futimesat_failure);
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ATF_TC_HEAD(futimesat_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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"futimesat(2) call");
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}
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ATF_TC_BODY(futimesat_failure, tc)
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{
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: file does not exist */
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ATF_REQUIRE_EQ(-1, futimesat(AT_FDCWD, errpath, NULL));
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check_audit(fds, failurereg, pipefd);
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}
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ATF_TC_CLEANUP(futimesat_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(mprotect_success);
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ATF_TC_HEAD(mprotect_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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"mprotect(2) call");
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}
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ATF_TC_BODY(mprotect_success, tc)
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{
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pid = getpid();
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snprintf(extregex, sizeof(extregex), "mprotect.*%d.*ret.*success", pid);
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE_EQ(0, mprotect(NULL, 0, PROT_NONE));
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(mprotect_success, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(mprotect_failure);
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ATF_TC_HEAD(mprotect_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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"mprotect(2) call");
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}
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ATF_TC_BODY(mprotect_failure, tc)
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{
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const char *regex = "mprotect.*return,failure : Invalid argument";
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FILE *pipefd = setup(fds, auclass);
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ATF_REQUIRE_EQ(-1, mprotect((void *)SIZE_MAX, -1, PROT_NONE));
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check_audit(fds, regex, pipefd);
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}
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ATF_TC_CLEANUP(mprotect_failure, tc)
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{
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cleanup();
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}
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/*
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* undelete(2) only works on whiteout files in union file system. Hence, no
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* test case for successful invocation.
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*/
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ATF_TC_WITH_CLEANUP(undelete_failure);
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ATF_TC_HEAD(undelete_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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"undelete(2) call");
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}
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ATF_TC_BODY(undelete_failure, tc)
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{
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pid = getpid();
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snprintf(extregex, sizeof(extregex), "undelete.*%d.*ret.*failure", pid);
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FILE *pipefd = setup(fds, auclass);
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/* Failure reason: File does not exist */
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ATF_REQUIRE_EQ(-1, undelete(errpath));
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check_audit(fds, extregex, pipefd);
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}
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ATF_TC_CLEANUP(undelete_failure, tc)
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{
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cleanup();
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}
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ATF_TC_WITH_CLEANUP(extattr_set_file_success);
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ATF_TC_HEAD(extattr_set_file_success, tc)
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{
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@ -1050,6 +1304,19 @@ ATF_TP_ADD_TCS(tp)
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ATF_TP_ADD_TC(tp, lchflags_success);
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ATF_TP_ADD_TC(tp, lchflags_failure);
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ATF_TP_ADD_TC(tp, utimes_success);
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ATF_TP_ADD_TC(tp, utimes_failure);
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ATF_TP_ADD_TC(tp, futimes_success);
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ATF_TP_ADD_TC(tp, futimes_failure);
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ATF_TP_ADD_TC(tp, lutimes_success);
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ATF_TP_ADD_TC(tp, lutimes_failure);
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ATF_TP_ADD_TC(tp, futimesat_success);
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ATF_TP_ADD_TC(tp, futimesat_failure);
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ATF_TP_ADD_TC(tp, mprotect_success);
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ATF_TP_ADD_TC(tp, mprotect_failure);
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ATF_TP_ADD_TC(tp, undelete_failure);
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ATF_TP_ADD_TC(tp, extattr_set_file_success);
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ATF_TP_ADD_TC(tp, extattr_set_file_failure);
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ATF_TP_ADD_TC(tp, extattr_set_fd_success);
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