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audit(4): add tests for chown(2) and friends

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Includes chown, fchown, lchown, and fchownat

Submitted by:	aniketp
MFC after:	2 weeks
Sponsored by:	Google, Inc. (GSoC 2018)
Differential Revision:	https://reviews.freebsd.org/D15825
This commit is contained in:
Alan Somers 2018-06-16 15:38:59 +00:00
parent babaf5cb1c
commit 5c9a473888
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=335256
1 changed files with 190 additions and 0 deletions
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190
tests/sys/audit/file-attribute-modify.c
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@ -35,6 +35,8 @@
#include "utils.h"
static pid_t pid;
static uid_t uid = -1;
static gid_t gid = -1;
static int filedesc;
static struct pollfd fds[1];
static mode_t mode = 0777;
@ -369,6 +371,185 @@ ATF_TC_CLEANUP(fchmodat_failure, tc)
}
ATF_TC_WITH_CLEANUP(chown_success);
ATF_TC_HEAD(chown_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"chown(2) call");
}
ATF_TC_BODY(chown_success, tc)
{
/* File needs to exist to call chown(2) */
ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE_EQ(0, chown(path, uid, gid));
check_audit(fds, successreg, pipefd);
close(filedesc);
}
ATF_TC_CLEANUP(chown_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(chown_failure);
ATF_TC_HEAD(chown_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"chown(2) call");
}
ATF_TC_BODY(chown_failure, tc)
{
FILE *pipefd = setup(fds, auclass);
/* Failure reason: file does not exist */
ATF_REQUIRE_EQ(-1, chown(errpath, uid, gid));
check_audit(fds, failurereg, pipefd);
}
ATF_TC_CLEANUP(chown_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(fchown_success);
ATF_TC_HEAD(fchown_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"fchown(2) call");
}
ATF_TC_BODY(fchown_success, tc)
{
pid = getpid();
snprintf(extregex, sizeof(extregex), "fchown.*%d.*return,success", pid);
/* File needs to exist to call fchown(2) */
ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE_EQ(0, fchown(filedesc, uid, gid));
check_audit(fds, extregex, pipefd);
close(filedesc);
}
ATF_TC_CLEANUP(fchown_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(fchown_failure);
ATF_TC_HEAD(fchown_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"fchown(2) call");
}
ATF_TC_BODY(fchown_failure, tc)
{
const char *regex = "fchown.*return,failure : Bad file descriptor";
FILE *pipefd = setup(fds, auclass);
/* Failure reason: Invalid file descriptor */
ATF_REQUIRE_EQ(-1, fchown(-1, uid, gid));
check_audit(fds, regex, pipefd);
}
ATF_TC_CLEANUP(fchown_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(lchown_success);
ATF_TC_HEAD(lchown_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"lchown(2) call");
}
ATF_TC_BODY(lchown_success, tc)
{
/* Symbolic link needs to exist to call lchown(2) */
ATF_REQUIRE_EQ(0, symlink("symlink", path));
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE_EQ(0, lchown(path, uid, gid));
check_audit(fds, successreg, pipefd);
}
ATF_TC_CLEANUP(lchown_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(lchown_failure);
ATF_TC_HEAD(lchown_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"lchown(2) call");
}
ATF_TC_BODY(lchown_failure, tc)
{
FILE *pipefd = setup(fds, auclass);
/* Failure reason: Symbolic link does not exist */
ATF_REQUIRE_EQ(-1, lchown(errpath, uid, gid));
check_audit(fds, failurereg, pipefd);
}
ATF_TC_CLEANUP(lchown_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(fchownat_success);
ATF_TC_HEAD(fchownat_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"fchownat(2) call");
}
ATF_TC_BODY(fchownat_success, tc)
{
/* File needs to exist to call fchownat(2) */
ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE_EQ(0, fchownat(AT_FDCWD, path, uid, gid, 0));
check_audit(fds, successreg, pipefd);
close(filedesc);
}
ATF_TC_CLEANUP(fchownat_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(fchownat_failure);
ATF_TC_HEAD(fchownat_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"fchownat(2) call");
}
ATF_TC_BODY(fchownat_failure, tc)
{
FILE *pipefd = setup(fds, auclass);
/* Failure reason: file does not exist */
ATF_REQUIRE_EQ(-1, fchownat(AT_FDCWD, errpath, uid, gid, 0));
check_audit(fds, failurereg, pipefd);
}
ATF_TC_CLEANUP(fchownat_failure, tc)
{
cleanup();
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, flock_success);
@ -387,5 +568,14 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, fchmodat_success);
ATF_TP_ADD_TC(tp, fchmodat_failure);
ATF_TP_ADD_TC(tp, chown_success);
ATF_TP_ADD_TC(tp, chown_failure);
ATF_TP_ADD_TC(tp, fchown_success);
ATF_TP_ADD_TC(tp, fchown_failure);
ATF_TP_ADD_TC(tp, lchown_success);
ATF_TP_ADD_TC(tp, lchown_failure);
ATF_TP_ADD_TC(tp, fchownat_success);
ATF_TP_ADD_TC(tp, fchownat_failure);
return (atf_no_error());
}