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audit(4): add tests for extattr_set_file and friends

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Includes extattr_{set_file, _set_fd, _set_link, _delete_file, _delete_fd,
_delete_link}

Submitted by:	aniketp
MFC after:	2 weeks
Sponsored by:	Google, Inc. (GSoC 2018)
Differential Revision:	https://reviews.freebsd.org/D15867
This commit is contained in:
asomers 2018-06-18 15:07:10 +00:00
parent 3309c975db
commit 2ac4b4bc88
1 changed files with 346 additions and 1 deletions
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347
tests/sys/audit/file-attribute-modify.c
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@ -25,6 +25,8 @@
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/extattr.h>
#include <sys/file.h>
#include <sys/stat.h>
@ -37,11 +39,13 @@
static pid_t pid;
static uid_t uid = -1;
static gid_t gid = -1;
static int filedesc;
static int filedesc, retval;
static struct pollfd fds[1];
static mode_t mode = 0777;
static char extregex[80];
static const char *buff = "ezio";
static const char *auclass = "fm";
static const char *name = "authorname";
static const char *path = "fileforaudit";
static const char *errpath = "adirhasnoname/fileforaudit";
static const char *successreg = "fileforaudit.*return,success";
@ -685,6 +689,333 @@ ATF_TC_CLEANUP(lchflags_failure, tc)
}
ATF_TC_WITH_CLEANUP(extattr_set_file_success);
ATF_TC_HEAD(extattr_set_file_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"extattr_set_file(2) call");
}
ATF_TC_BODY(extattr_set_file_success, tc)
{
/* File needs to exist to call extattr_set_file(2) */
ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
/* Prepare the regex to be checked in the audit record */
snprintf(extregex, sizeof(extregex),
"extattr_set_file.*%s.*%s.*return,success", path, name);
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE_EQ(sizeof(buff), extattr_set_file(path,
EXTATTR_NAMESPACE_USER, name, buff, sizeof(buff)));
check_audit(fds, extregex, pipefd);
close(filedesc);
}
ATF_TC_CLEANUP(extattr_set_file_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(extattr_set_file_failure);
ATF_TC_HEAD(extattr_set_file_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"extattr_set_file(2) call");
}
ATF_TC_BODY(extattr_set_file_failure, tc)
{
/* Prepare the regex to be checked in the audit record */
snprintf(extregex, sizeof(extregex),
"extattr_set_file.*%s.*%s.*failure", path, name);
FILE *pipefd = setup(fds, auclass);
/* Failure reason: file does not exist */
ATF_REQUIRE_EQ(-1, extattr_set_file(path,
EXTATTR_NAMESPACE_USER, name, NULL, 0));
check_audit(fds, extregex, pipefd);
}
ATF_TC_CLEANUP(extattr_set_file_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(extattr_set_fd_success);
ATF_TC_HEAD(extattr_set_fd_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"extattr_set_fd(2) call");
}
ATF_TC_BODY(extattr_set_fd_success, tc)
{
/* File needs to exist to call extattr_set_fd(2) */
ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
/* Prepare the regex to be checked in the audit record */
snprintf(extregex, sizeof(extregex),
"extattr_set_fd.*%s.*return,success", name);
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE_EQ(sizeof(buff), extattr_set_fd(filedesc,
EXTATTR_NAMESPACE_USER, name, buff, sizeof(buff)));
check_audit(fds, extregex, pipefd);
close(filedesc);
}
ATF_TC_CLEANUP(extattr_set_fd_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(extattr_set_fd_failure);
ATF_TC_HEAD(extattr_set_fd_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"extattr_set_fd(2) call");
}
ATF_TC_BODY(extattr_set_fd_failure, tc)
{
/* Prepare the regex to be checked in the audit record */
snprintf(extregex, sizeof(extregex),
"extattr_set_fd.*%s.*return,failure : Bad file descriptor", name);
FILE *pipefd = setup(fds, auclass);
/* Failure reason: Invalid file descriptor */
ATF_REQUIRE_EQ(-1, extattr_set_fd(-1,
EXTATTR_NAMESPACE_USER, name, NULL, 0));
check_audit(fds, extregex, pipefd);
}
ATF_TC_CLEANUP(extattr_set_fd_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(extattr_set_link_success);
ATF_TC_HEAD(extattr_set_link_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"extattr_set_link(2) call");
}
ATF_TC_BODY(extattr_set_link_success, tc)
{
/* Symbolic link needs to exist to call extattr_set_link(2) */
ATF_REQUIRE_EQ(0, symlink("symlink", path));
/* Prepare the regex to be checked in the audit record */
snprintf(extregex, sizeof(extregex),
"extattr_set_link.*%s.*%s.*return,success", path, name);
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE_EQ(sizeof(buff), extattr_set_link(path,
EXTATTR_NAMESPACE_USER, name, buff, sizeof(buff)));
check_audit(fds, extregex, pipefd);
}
ATF_TC_CLEANUP(extattr_set_link_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(extattr_set_link_failure);
ATF_TC_HEAD(extattr_set_link_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"extattr_set_link(2) call");
}
ATF_TC_BODY(extattr_set_link_failure, tc)
{
/* Prepare the regex to be checked in the audit record */
snprintf(extregex, sizeof(extregex),
"extattr_set_link.*%s.*%s.*failure", path, name);
FILE *pipefd = setup(fds, auclass);
/* Failure reason: symbolic link does not exist */
ATF_REQUIRE_EQ(-1, extattr_set_link(path,
EXTATTR_NAMESPACE_USER, name, NULL, 0));
check_audit(fds, extregex, pipefd);
}
ATF_TC_CLEANUP(extattr_set_link_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(extattr_delete_file_success);
ATF_TC_HEAD(extattr_delete_file_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"extattr_delete_file(2) call");
}
ATF_TC_BODY(extattr_delete_file_success, tc)
{
/* File needs to exist to call extattr_delete_file(2) */
ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
ATF_REQUIRE_EQ(sizeof(buff), extattr_set_file(path,
EXTATTR_NAMESPACE_USER, name, buff, sizeof(buff)));
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE((retval = extattr_delete_file(path,
EXTATTR_NAMESPACE_USER, name)) != -1);
/* Prepare the regex to be checked in the audit record */
snprintf(extregex, sizeof(extregex),
"extattr_delete_file.*%s.*return,success,%d", path, retval);
check_audit(fds, extregex, pipefd);
close(filedesc);
}
ATF_TC_CLEANUP(extattr_delete_file_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(extattr_delete_file_failure);
ATF_TC_HEAD(extattr_delete_file_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"extattr_delete_file(2) call");
}
ATF_TC_BODY(extattr_delete_file_failure, tc)
{
/* Prepare the regex to be checked in the audit record */
snprintf(extregex, sizeof(extregex),
"extattr_delete_file.*%s.*return,failure", path);
FILE *pipefd = setup(fds, auclass);
/* Failure reason: file does not exist */
ATF_REQUIRE_EQ(-1, extattr_delete_file(path,
EXTATTR_NAMESPACE_USER, name));
check_audit(fds, extregex, pipefd);
}
ATF_TC_CLEANUP(extattr_delete_file_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(extattr_delete_fd_success);
ATF_TC_HEAD(extattr_delete_fd_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"extattr_delete_fd(2) call");
}
ATF_TC_BODY(extattr_delete_fd_success, tc)
{
/* File needs to exist to call extattr_delete_fd(2) */
ATF_REQUIRE((filedesc = open(path, O_CREAT, mode)) != -1);
ATF_REQUIRE_EQ(sizeof(buff), extattr_set_file(path,
EXTATTR_NAMESPACE_USER, name, buff, sizeof(buff)));
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE((retval = extattr_delete_fd(filedesc,
EXTATTR_NAMESPACE_USER, name)) != -1);
/* Prepare the regex to be checked in the audit record */
snprintf(extregex, sizeof(extregex),
"extattr_delete_fd.*return,success,%d", retval);
check_audit(fds, extregex, pipefd);
close(filedesc);
}
ATF_TC_CLEANUP(extattr_delete_fd_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(extattr_delete_fd_failure);
ATF_TC_HEAD(extattr_delete_fd_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"extattr_delete_fd(2) call");
}
ATF_TC_BODY(extattr_delete_fd_failure, tc)
{
/* Prepare the regex to be checked in the audit record */
snprintf(extregex, sizeof(extregex),
"extattr_delete_fd.*return,failure : Bad file descriptor");
FILE *pipefd = setup(fds, auclass);
/* Failure reason: Invalid file descriptor */
ATF_REQUIRE_EQ(-1, extattr_delete_fd(-1, EXTATTR_NAMESPACE_USER, name));
check_audit(fds, extregex, pipefd);
}
ATF_TC_CLEANUP(extattr_delete_fd_failure, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(extattr_delete_link_success);
ATF_TC_HEAD(extattr_delete_link_success, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of a successful "
"extattr_delete_link(2) call");
}
ATF_TC_BODY(extattr_delete_link_success, tc)
{
/* Symbolic link needs to exist to call extattr_delete_link(2) */
ATF_REQUIRE_EQ(0, symlink("symlink", path));
ATF_REQUIRE_EQ(sizeof(buff), extattr_set_link(path,
EXTATTR_NAMESPACE_USER, name, buff, sizeof(buff)));
FILE *pipefd = setup(fds, auclass);
ATF_REQUIRE((retval = extattr_delete_link(path,
EXTATTR_NAMESPACE_USER, name)) != -1);
/* Prepare the regex to be checked in the audit record */
snprintf(extregex, sizeof(extregex),
"extattr_delete_link.*%s.*return,success,%d", path, retval);
check_audit(fds, extregex, pipefd);
}
ATF_TC_CLEANUP(extattr_delete_link_success, tc)
{
cleanup();
}
ATF_TC_WITH_CLEANUP(extattr_delete_link_failure);
ATF_TC_HEAD(extattr_delete_link_failure, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests the audit of an unsuccessful "
"extattr_delete_link(2) call");
}
ATF_TC_BODY(extattr_delete_link_failure, tc)
{
/* Prepare the regex to be checked in the audit record */
snprintf(extregex, sizeof(extregex),
"extattr_delete_link.*%s.*failure", path);
FILE *pipefd = setup(fds, auclass);
/* Failure reason: symbolic link does not exist */
ATF_REQUIRE_EQ(-1, extattr_delete_link(path,
EXTATTR_NAMESPACE_USER, name));
check_audit(fds, extregex, pipefd);
}
ATF_TC_CLEANUP(extattr_delete_link_failure, tc)
{
cleanup();
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, flock_success);
@ -719,5 +1050,19 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, lchflags_success);
ATF_TP_ADD_TC(tp, lchflags_failure);
ATF_TP_ADD_TC(tp, extattr_set_file_success);
ATF_TP_ADD_TC(tp, extattr_set_file_failure);
ATF_TP_ADD_TC(tp, extattr_set_fd_success);
ATF_TP_ADD_TC(tp, extattr_set_fd_failure);
ATF_TP_ADD_TC(tp, extattr_set_link_success);
ATF_TP_ADD_TC(tp, extattr_set_link_failure);
ATF_TP_ADD_TC(tp, extattr_delete_file_success);
ATF_TP_ADD_TC(tp, extattr_delete_file_failure);
ATF_TP_ADD_TC(tp, extattr_delete_fd_success);
ATF_TP_ADD_TC(tp, extattr_delete_fd_failure);
ATF_TP_ADD_TC(tp, extattr_delete_link_success);
ATF_TP_ADD_TC(tp, extattr_delete_link_failure);
return (atf_no_error());
}