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#include "config.h"
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <unistd.h>
#include <pwd.h>
#include <grp.h>
#ifdef HAVE_SYS_SYSCALL_H
#include <sys/syscall.h>
#endif
#ifdef HAVE_SYSCALL_H
#include <syscall.h>
#endif
#define ZERO_STRUCT(x) memset((char *)&(x), 0, sizeof(x))
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
static void test_uwrap_seteuid(void **state)
{
int rc;
uid_t u;
(void) state; /* unused */
rc = seteuid(-1);
assert_int_equal(rc, -1);
rc = seteuid(0);
assert_int_equal(rc, 0);
u = geteuid();
#ifdef SYS_geteuid /* not available on Solaris */
assert_int_equal(u, syscall(SYS_geteuid));
#endif
rc = setuid(42);
assert_int_equal(rc, 0);
u = getuid();
assert_int_equal(u, 42);
}
#ifdef HAVE_SETREUID
static void test_uwrap_setreuid(void **state)
{
int rc;
uid_t u;
(void) state; /* unused */
rc = setreuid(1, 2);
assert_int_equal(rc, 0);
u = getuid();
assert_int_equal(u, 1);
u = geteuid();
assert_int_equal(u, 2);
}
#endif
#ifdef HAVE_SETRESUID
static void test_uwrap_setresuid(void **state)
{
int rc;
uid_t u;
(void) state; /* unused */
rc = setresuid(1, 2, -1);
assert_int_equal(rc, 0);
u = getuid();
assert_int_equal(u, 1);
u = geteuid();
assert_int_equal(u, 2);
}
#endif
static void test_uwrap_setuid(void **state)
{
int rc;
uid_t u;
(void) state; /* unused */
rc = setuid(-1);
assert_int_equal(rc, -1);
rc = setuid(42);
assert_int_equal(rc, 0);
u = getuid();
assert_int_equal(u, 42);
}
static void test_uwrap_setegid(void **state)
{
int rc;
uid_t u;
(void) state; /* unused */
rc = setegid(0);
assert_int_equal(rc, 0);
u = getegid();
#ifdef SYS_getegid /* Not available on Solaris */
assert_int_equal(u, syscall(SYS_getegid));
#endif
rc = setegid(42);
assert_int_equal(rc, 0);
u = getegid();
assert_int_equal(u, 42);
}
#ifdef HAVE_SETREGID
static void test_uwrap_setregid(void **state)
{
int rc;
uid_t u;
(void) state; /* unused */
rc = setregid(1, 2);
assert_int_equal(rc, 0);
u = getgid();
assert_int_equal(u, 1);
u = getegid();
assert_int_equal(u, 2);
}
#endif
#ifdef HAVE_SETRESGID
static void test_uwrap_setresgid(void **state)
{
int rc;
uid_t u;
(void) state; /* unused */
rc = setresgid(1, 2, -1);
assert_int_equal(rc, 0);
u = getgid();
assert_int_equal(u, 1);
u = getegid();
assert_int_equal(u, 2);
}
#endif
static void test_uwrap_setgid(void **state)
{
int rc;
gid_t u;
(void) state; /* unused */
rc = setgid(-1);
assert_int_equal(rc, -1);
rc = setgid(42);
assert_int_equal(rc, 0);
u = getgid();
assert_int_equal(u, 42);
}
static void test_uwrap_syscall(void **state)
{
long int rc;
struct timeval tv1, tv2;
struct timezone tz1, tz2;
(void) state; /* unused */
rc = syscall(SYS_getpid);
assert_int_equal(rc, getpid());
ZERO_STRUCT(tv1);
ZERO_STRUCT(tv2);
ZERO_STRUCT(tz1);
ZERO_STRUCT(tz2);
rc = gettimeofday(&tv1, &tz1);
assert_int_equal(rc, 0);
rc = syscall(SYS_gettimeofday, &tv2, &tz2);
assert_int_equal(rc, 0);
assert_int_equal(tv1.tv_sec, tv2.tv_sec);
assert_int_equal(tz2.tz_dsttime, tz2.tz_dsttime);
assert_int_equal(tz2.tz_minuteswest, tz2.tz_minuteswest);
}
static void test_uwrap_syscall_setreuid(void **state)
{
long int rc;
uid_t u;
(void) state; /* unused */
rc = syscall(SYS_setreuid, -1, 0);
assert_int_equal(rc, 0);
u = geteuid();
#ifdef SYS_geteuid /* not available on Solaris */
assert_int_equal(u, syscall(SYS_geteuid));
#endif
rc = syscall(SYS_setreuid, -1, 42);
assert_int_equal(rc, 0);
u = geteuid();
assert_int_equal(u, 42);
}
static void test_uwrap_syscall_setregid(void **state)
{
long int rc;
gid_t g;
(void) state; /* unused */
rc = syscall(SYS_setregid, -1, 0);
assert_int_equal(rc, 0);
g = getegid();
#ifdef SYS_getegid /* Not available on Solaris */
assert_int_equal(g, syscall(SYS_getegid));
#endif
rc = syscall(SYS_setregid, -1, 42);
assert_int_equal(rc, 0);
g = getegid();
assert_int_equal(g, 42);
}
static void test_uwrap_getgroups(void **state)
{
gid_t rlist[16] = {0};
int rc;
(void) state; /* unused */
rc = getgroups(ARRAY_SIZE(rlist), rlist);
assert_int_equal(rc, 1);
assert_int_equal(rlist[0], getegid());
}
static void test_uwrap_setgroups(void **state)
{
gid_t glist[] = { 100, 200, 300, 400, 500 };
gid_t rlist[16];
int rc;
(void) state; /* unused */
rc = setgroups(ARRAY_SIZE(glist), glist);
assert_int_equal(rc, 0);
rc = getgroups(ARRAY_SIZE(rlist), rlist);
assert_int_equal(rc, 5);
assert_memory_equal(glist, rlist, sizeof(glist));
/* Drop all supplementary groups. This is often done by daemons */
memset(rlist, 0, sizeof(rlist));
rc = setgroups(0, NULL);
assert_int_equal(rc, 0);
rc = getgroups(ARRAY_SIZE(rlist), rlist);
assert_int_equal(rc, 0);
assert_int_equal(rlist[0], 0);
}
#if defined(SYS_setgroups) || defined(SYS_setroups32)
static void test_uwrap_syscall_setgroups(void **state)
{
gid_t glist[] = { 100, 200, 300, 400, 500 };
gid_t rlist[16];
int rc = -1;
(void) state; /* unused */
#ifdef SYS_setgroups
rc = syscall(SYS_setgroups, ARRAY_SIZE(glist), glist);
#elif SYS_setgroups32
rc = syscall(SYS_setgroups32, ARRAY_SIZE(glist), glist);
#endif
assert_int_equal(rc, 0);
rc = getgroups(ARRAY_SIZE(rlist), rlist);
assert_int_equal(rc, 5);
assert_memory_equal(glist, rlist, sizeof(glist));
/* Drop all supplementary groups. This is often done by daemons */
memset(rlist, 0, sizeof(rlist));
#ifdef SYS_setgroups
rc = syscall(SYS_setgroups, 0, NULL);
#elif SYS_setgroups32
rc = syscall(SYS_setgroups32, 0, NULL);
#endif
assert_int_equal(rc, 0);
rc = getgroups(ARRAY_SIZE(rlist), rlist);
assert_int_equal(rc, 0);
assert_int_equal(rlist[0], 0);
}
#endif
int main(void) {
int rc;
const UnitTest tests[] = {
unit_test(test_uwrap_syscall),
unit_test(test_uwrap_getgroups),
unit_test(test_uwrap_seteuid),
#ifdef HAVE_SETREUID
unit_test(test_uwrap_setreuid),
#endif
#ifdef HAVE_SETRESUID
unit_test(test_uwrap_setresuid),
#endif
unit_test(test_uwrap_setuid),
unit_test(test_uwrap_setegid),
#ifdef HAVE_SETREGID
unit_test(test_uwrap_setregid),
#endif
#ifdef HAVE_SETRESGID
unit_test(test_uwrap_setresgid),
#endif
unit_test(test_uwrap_setgid),
unit_test(test_uwrap_syscall_setreuid),
unit_test(test_uwrap_syscall_setregid),
unit_test(test_uwrap_setgroups),
#if defined(SYS_setgroups) || defined(SYS_setroups32)
unit_test(test_uwrap_syscall_setgroups),
#endif
};
rc = run_tests(tests);
return rc;
}
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