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audit(4): add tests for statfs(2), fstatfs(2), and getfsstat(2)

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Submitted by:	aniketp
MFC after:	2 weeks
Sponsored by:	Google, Inc (GSoC 2018)
Differential Revision:	https://reviews.freebsd.org/D15750
This commit is contained in:
Alan Somers 2018-06-14 02:30:43 +00:00
parent f7224b709f
commit ae19b2ef9b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=335105
1 changed files with 152 additions and 0 deletions
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152
tests/sys/audit/file-attribute-access.c
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@ -25,6 +25,9 @@
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/syscall.h>
@ -36,9 +39,11 @@
static struct pollfd fds[1];
static mode_t mode = 0777;
static pid_t pid;
static int filedesc;
static char extregex[80];
static struct stat statbuff;
static struct statfs statfsbuff;
static const char *auclass = "fa";
static const char *path = "fileforaudit";
static const char *errpath = "dirdoesnotexist/fileforaudit";
@ -226,6 +231,145 @@ ATF_TC_CLEANUP(fstatat_failure, tc)
}
ATF_TC_WITH_CLEANUP(statfs_success);
ATF_TC_HEAD(statfs_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"statfs(2) call");
}
ATF_TC_BODY(statfs_success, tc)
{
/* File needs to exist to call statfs(2) */
ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE_EQ(0, statfs(path, &statfsbuff));
check_audit(fds, successreg, pipefd);
close(filedesc);
}
ATF_TC_CLEANUP(statfs_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(statfs_failure);
ATF_TC_HEAD(statfs_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"statfs(2) call");
}
ATF_TC_BODY(statfs_failure, tc)
{
FILE *pipefd = setup(fds, auclass);
/* Failure reason: file does not exist */
ATF_REQUIRE_EQ(-1, statfs(errpath, &statfsbuff));
check_audit(fds, failurereg, pipefd);
}
ATF_TC_CLEANUP(statfs_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(fstatfs_success);
ATF_TC_HEAD(fstatfs_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"fstatfs(2) call");
}
ATF_TC_BODY(fstatfs_success, tc)
{
/* File needs to exist to call fstat(2) */
ATF_REQUIRE((filedesc = open(path, O_CREAT | O_RDWR, mode)) != -1);
/* Call stat(2) to store the Inode number of 'path' */
ATF_REQUIRE_EQ(0, stat(path, &statbuff));
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE_EQ(0, fstatfs(filedesc, &statfsbuff));
snprintf(extregex, sizeof(extregex), "fstatfs.*%jd.*return,success",
(intmax_t)statbuff.st_ino);
check_audit(fds, extregex, pipefd);
close(filedesc);
}
ATF_TC_CLEANUP(fstatfs_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(fstatfs_failure);
ATF_TC_HEAD(fstatfs_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"fstatfs(2) call");
}
ATF_TC_BODY(fstatfs_failure, tc)
{
FILE *pipefd = setup(fds, auclass);
const char *regex = "fstatfs.*return,failure : Bad file descriptor";
/* Failure reason: bad file descriptor */
ATF_REQUIRE_EQ(-1, fstatfs(-1, &statfsbuff));
check_audit(fds, regex, pipefd);
}
ATF_TC_CLEANUP(fstatfs_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(getfsstat_success);
ATF_TC_HEAD(getfsstat_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"getfsstat(2) call");
}
ATF_TC_BODY(getfsstat_success, tc)
{
pid = getpid();
snprintf(extregex, sizeof(extregex), "getfsstat.*%d.*success", pid);
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE(getfsstat(NULL, 0, MNT_NOWAIT) != -1);
check_audit(fds, extregex, pipefd);
}
ATF_TC_CLEANUP(getfsstat_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(getfsstat_failure);
ATF_TC_HEAD(getfsstat_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"getfsstat(2) call");
}
ATF_TC_BODY(getfsstat_failure, tc)
{
const char *regex = "getfsstat.*return,failure : Invalid argument";
FILE *pipefd = setup(fds, auclass);
/* Failure reason: Invalid value for mode */
ATF_REQUIRE_EQ(-1, getfsstat(NULL, 0, -1));
check_audit(fds, regex, pipefd);
}
ATF_TC_CLEANUP(getfsstat_failure, tc)
{
cleanup();
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, stat_success);
@ -237,5 +381,13 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, fstatat_success);
ATF_TP_ADD_TC(tp, fstatat_failure);
ATF_TP_ADD_TC(tp, statfs_success);
ATF_TP_ADD_TC(tp, statfs_failure);
ATF_TP_ADD_TC(tp, fstatfs_success);
ATF_TP_ADD_TC(tp, fstatfs_failure);
ATF_TP_ADD_TC(tp, getfsstat_success);
ATF_TP_ADD_TC(tp, getfsstat_failure);
return (atf_no_error());
}