1*43a90889SApple OSS Distributions #include <darwintest.h>
2*43a90889SApple OSS Distributions #include <darwintest_utils.h>
3*43a90889SApple OSS Distributions #include <stdlib.h>
4*43a90889SApple OSS Distributions #include <sys/stat.h>
5*43a90889SApple OSS Distributions #include <sys/syslimits.h>
6*43a90889SApple OSS Distributions #include <sys/time.h>
7*43a90889SApple OSS Distributions #include <time.h>
8*43a90889SApple OSS Distributions #include <unistd.h>
9*43a90889SApple OSS Distributions
10*43a90889SApple OSS Distributions T_GLOBAL_META(T_META_CHECK_LEAKS(false));
11*43a90889SApple OSS Distributions
12*43a90889SApple OSS Distributions T_DECL(settimeofday, "check setting and getting time of day",
13*43a90889SApple OSS Distributions T_META_ASROOT(true), T_META_TAG_VM_PREFERRED)
14*43a90889SApple OSS Distributions {
15*43a90889SApple OSS Distributions struct timeval origtime = {};
16*43a90889SApple OSS Distributions struct timezone origtz = {};
17*43a90889SApple OSS Distributions int ret = gettimeofday(&origtime, &origtz);
18*43a90889SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "get current time with gettimeofday(2)");
19*43a90889SApple OSS Distributions
20*43a90889SApple OSS Distributions #if TARGET_OS_BRIDGE
21*43a90889SApple OSS Distributions /*
22*43a90889SApple OSS Distributions * bridgeOS is not allowed to set the time -- only the macOS side can.
23*43a90889SApple OSS Distributions */
24*43a90889SApple OSS Distributions T_SKIP("bridgeOS is not allowed to call settimeofday(2)");
25*43a90889SApple OSS Distributions #endif /* TARGET_OS_BRIDGE */
26*43a90889SApple OSS Distributions
27*43a90889SApple OSS Distributions struct timeval newtime = {};
28*43a90889SApple OSS Distributions newtime = origtime;
29*43a90889SApple OSS Distributions newtime.tv_sec -= 60;
30*43a90889SApple OSS Distributions ret = settimeofday(&newtime, NULL);
31*43a90889SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret,
32*43a90889SApple OSS Distributions "set time back 60 seconds with settimeofday(2)");
33*43a90889SApple OSS Distributions
34*43a90889SApple OSS Distributions ret = gettimeofday(&newtime, NULL);
35*43a90889SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "get new time with gettimeofday(2)");
36*43a90889SApple OSS Distributions
37*43a90889SApple OSS Distributions T_ASSERT_GT(origtime.tv_sec, newtime.tv_sec,
38*43a90889SApple OSS Distributions "new time should be before original time");
39*43a90889SApple OSS Distributions
40*43a90889SApple OSS Distributions newtime = origtime;
41*43a90889SApple OSS Distributions newtime.tv_sec += 1;
42*43a90889SApple OSS Distributions ret = settimeofday(&newtime, NULL);
43*43a90889SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret,
44*43a90889SApple OSS Distributions "set time close to original value with gettimeofday(2)");
45*43a90889SApple OSS Distributions }
46*43a90889SApple OSS Distributions
47*43a90889SApple OSS Distributions static char tmppath[PATH_MAX] = "";
48*43a90889SApple OSS Distributions
49*43a90889SApple OSS Distributions static void
cleanup_tmpfile(void)50*43a90889SApple OSS Distributions cleanup_tmpfile(void)
51*43a90889SApple OSS Distributions {
52*43a90889SApple OSS Distributions if (tmppath[0] != '\0') {
53*43a90889SApple OSS Distributions unlink(tmppath);
54*43a90889SApple OSS Distributions }
55*43a90889SApple OSS Distributions }
56*43a90889SApple OSS Distributions
57*43a90889SApple OSS Distributions static int
create_tmpfile(void)58*43a90889SApple OSS Distributions create_tmpfile(void)
59*43a90889SApple OSS Distributions {
60*43a90889SApple OSS Distributions const char *tmpdir = dt_tmpdir();
61*43a90889SApple OSS Distributions strlcat(tmppath, tmpdir ? tmpdir : "/tmp", sizeof(tmppath));
62*43a90889SApple OSS Distributions strlcat(tmppath, "/xnu.futimes.XXXXX", sizeof(tmppath));
63*43a90889SApple OSS Distributions T_LOG("creating temporary file at %s", tmppath);
64*43a90889SApple OSS Distributions int fd = mkstemp(tmppath);
65*43a90889SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(fd, "create temporary file");
66*43a90889SApple OSS Distributions T_ATEND(cleanup_tmpfile);
67*43a90889SApple OSS Distributions return fd;
68*43a90889SApple OSS Distributions }
69*43a90889SApple OSS Distributions
70*43a90889SApple OSS Distributions T_DECL(futimes, "check that futimes updates file times",
71*43a90889SApple OSS Distributions T_META_RUN_CONCURRENTLY(true), T_META_TAG_VM_PREFERRED)
72*43a90889SApple OSS Distributions {
73*43a90889SApple OSS Distributions int tmpfd = create_tmpfile();
74*43a90889SApple OSS Distributions
75*43a90889SApple OSS Distributions struct stat stbuf = {};
76*43a90889SApple OSS Distributions int ret = fstat(tmpfd, &stbuf);
77*43a90889SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "get file metadata with fstat(2)");
78*43a90889SApple OSS Distributions struct timeval amtimes[2] = {};
79*43a90889SApple OSS Distributions TIMESPEC_TO_TIMEVAL(&amtimes[0], &stbuf.st_atimespec);
80*43a90889SApple OSS Distributions TIMESPEC_TO_TIMEVAL(&amtimes[1], &stbuf.st_mtimespec);
81*43a90889SApple OSS Distributions
82*43a90889SApple OSS Distributions amtimes[0].tv_sec -= 120;
83*43a90889SApple OSS Distributions amtimes[1].tv_sec -= 120;
84*43a90889SApple OSS Distributions
85*43a90889SApple OSS Distributions ret = futimes(tmpfd, amtimes);
86*43a90889SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "update file times with utimes(2)");
87*43a90889SApple OSS Distributions
88*43a90889SApple OSS Distributions ret = fstat(tmpfd, &stbuf);
89*43a90889SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "get file metadata after update with fstat(2)");
90*43a90889SApple OSS Distributions struct timeval newamtimes[2] = {};
91*43a90889SApple OSS Distributions TIMESPEC_TO_TIMEVAL(&newamtimes[0], &stbuf.st_atimespec);
92*43a90889SApple OSS Distributions TIMESPEC_TO_TIMEVAL(&newamtimes[1], &stbuf.st_mtimespec);
93*43a90889SApple OSS Distributions
94*43a90889SApple OSS Distributions /*
95*43a90889SApple OSS Distributions * Reading the metadata shouldn't count as an access.
96*43a90889SApple OSS Distributions */
97*43a90889SApple OSS Distributions T_ASSERT_EQ(amtimes[0].tv_sec, newamtimes[0].tv_sec,
98*43a90889SApple OSS Distributions "access time matches what was set");
99*43a90889SApple OSS Distributions T_ASSERT_EQ(amtimes[1].tv_sec, newamtimes[1].tv_sec,
100*43a90889SApple OSS Distributions "modification time matches what was set");
101*43a90889SApple OSS Distributions }
102