1*1b191cb5SApple OSS Distributions #include <darwintest.h>
2*1b191cb5SApple OSS Distributions #include <darwintest_utils.h>
3*1b191cb5SApple OSS Distributions #include <stdlib.h>
4*1b191cb5SApple OSS Distributions #include <sys/stat.h>
5*1b191cb5SApple OSS Distributions #include <sys/syslimits.h>
6*1b191cb5SApple OSS Distributions #include <sys/time.h>
7*1b191cb5SApple OSS Distributions #include <time.h>
8*1b191cb5SApple OSS Distributions #include <unistd.h>
9*1b191cb5SApple OSS Distributions
10*1b191cb5SApple OSS Distributions T_GLOBAL_META(T_META_CHECK_LEAKS(false));
11*1b191cb5SApple OSS Distributions
12*1b191cb5SApple OSS Distributions T_DECL(settimeofday, "check setting and getting time of day",
13*1b191cb5SApple OSS Distributions T_META_ASROOT(true))
14*1b191cb5SApple OSS Distributions {
15*1b191cb5SApple OSS Distributions struct timeval origtime = {};
16*1b191cb5SApple OSS Distributions struct timezone origtz = {};
17*1b191cb5SApple OSS Distributions int ret = gettimeofday(&origtime, &origtz);
18*1b191cb5SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "get current time with gettimeofday(2)");
19*1b191cb5SApple OSS Distributions
20*1b191cb5SApple OSS Distributions #if TARGET_OS_BRIDGE
21*1b191cb5SApple OSS Distributions /*
22*1b191cb5SApple OSS Distributions * bridgeOS is not allowed to set the time -- only the macOS side can.
23*1b191cb5SApple OSS Distributions */
24*1b191cb5SApple OSS Distributions T_SKIP("bridgeOS is not allowed to call settimeofday(2)");
25*1b191cb5SApple OSS Distributions #endif /* TARGET_OS_BRIDGE */
26*1b191cb5SApple OSS Distributions
27*1b191cb5SApple OSS Distributions struct timeval newtime = {};
28*1b191cb5SApple OSS Distributions newtime = origtime;
29*1b191cb5SApple OSS Distributions newtime.tv_sec -= 60;
30*1b191cb5SApple OSS Distributions ret = settimeofday(&newtime, NULL);
31*1b191cb5SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret,
32*1b191cb5SApple OSS Distributions "set time back 60 seconds with settimeofday(2)");
33*1b191cb5SApple OSS Distributions
34*1b191cb5SApple OSS Distributions ret = gettimeofday(&newtime, NULL);
35*1b191cb5SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "get new time with gettimeofday(2)");
36*1b191cb5SApple OSS Distributions
37*1b191cb5SApple OSS Distributions T_ASSERT_GT(origtime.tv_sec, newtime.tv_sec,
38*1b191cb5SApple OSS Distributions "new time should be before original time");
39*1b191cb5SApple OSS Distributions
40*1b191cb5SApple OSS Distributions newtime = origtime;
41*1b191cb5SApple OSS Distributions newtime.tv_sec += 1;
42*1b191cb5SApple OSS Distributions ret = settimeofday(&newtime, NULL);
43*1b191cb5SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret,
44*1b191cb5SApple OSS Distributions "set time close to original value with gettimeofday(2)");
45*1b191cb5SApple OSS Distributions }
46*1b191cb5SApple OSS Distributions
47*1b191cb5SApple OSS Distributions static char tmppath[PATH_MAX] = "";
48*1b191cb5SApple OSS Distributions
49*1b191cb5SApple OSS Distributions static void
cleanup_tmpfile(void)50*1b191cb5SApple OSS Distributions cleanup_tmpfile(void)
51*1b191cb5SApple OSS Distributions {
52*1b191cb5SApple OSS Distributions if (tmppath[0] != '\0') {
53*1b191cb5SApple OSS Distributions unlink(tmppath);
54*1b191cb5SApple OSS Distributions }
55*1b191cb5SApple OSS Distributions }
56*1b191cb5SApple OSS Distributions
57*1b191cb5SApple OSS Distributions static int
create_tmpfile(void)58*1b191cb5SApple OSS Distributions create_tmpfile(void)
59*1b191cb5SApple OSS Distributions {
60*1b191cb5SApple OSS Distributions const char *tmpdir = dt_tmpdir();
61*1b191cb5SApple OSS Distributions strlcat(tmppath, tmpdir ? tmpdir : "/tmp", sizeof(tmppath));
62*1b191cb5SApple OSS Distributions strlcat(tmppath, "/xnu.futimes.XXXXX", sizeof(tmppath));
63*1b191cb5SApple OSS Distributions T_LOG("creating temporary file at %s", tmppath);
64*1b191cb5SApple OSS Distributions int fd = mkstemp(tmppath);
65*1b191cb5SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(fd, "create temporary file");
66*1b191cb5SApple OSS Distributions T_ATEND(cleanup_tmpfile);
67*1b191cb5SApple OSS Distributions return fd;
68*1b191cb5SApple OSS Distributions }
69*1b191cb5SApple OSS Distributions
70*1b191cb5SApple OSS Distributions T_DECL(futimes, "check that futimes updates file times",
71*1b191cb5SApple OSS Distributions T_META_RUN_CONCURRENTLY(true))
72*1b191cb5SApple OSS Distributions {
73*1b191cb5SApple OSS Distributions int tmpfd = create_tmpfile();
74*1b191cb5SApple OSS Distributions
75*1b191cb5SApple OSS Distributions struct stat stbuf = {};
76*1b191cb5SApple OSS Distributions int ret = fstat(tmpfd, &stbuf);
77*1b191cb5SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "get file metadata with fstat(2)");
78*1b191cb5SApple OSS Distributions struct timeval amtimes[2] = {};
79*1b191cb5SApple OSS Distributions TIMESPEC_TO_TIMEVAL(&amtimes[0], &stbuf.st_atimespec);
80*1b191cb5SApple OSS Distributions TIMESPEC_TO_TIMEVAL(&amtimes[1], &stbuf.st_mtimespec);
81*1b191cb5SApple OSS Distributions
82*1b191cb5SApple OSS Distributions amtimes[0].tv_sec -= 120;
83*1b191cb5SApple OSS Distributions amtimes[1].tv_sec -= 120;
84*1b191cb5SApple OSS Distributions
85*1b191cb5SApple OSS Distributions ret = futimes(tmpfd, amtimes);
86*1b191cb5SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "update file times with utimes(2)");
87*1b191cb5SApple OSS Distributions
88*1b191cb5SApple OSS Distributions ret = fstat(tmpfd, &stbuf);
89*1b191cb5SApple OSS Distributions T_ASSERT_POSIX_SUCCESS(ret, "get file metadata after update with fstat(2)");
90*1b191cb5SApple OSS Distributions struct timeval newamtimes[2] = {};
91*1b191cb5SApple OSS Distributions TIMESPEC_TO_TIMEVAL(&newamtimes[0], &stbuf.st_atimespec);
92*1b191cb5SApple OSS Distributions TIMESPEC_TO_TIMEVAL(&newamtimes[1], &stbuf.st_mtimespec);
93*1b191cb5SApple OSS Distributions
94*1b191cb5SApple OSS Distributions /*
95*1b191cb5SApple OSS Distributions * Reading the metadata shouldn't count as an access.
96*1b191cb5SApple OSS Distributions */
97*1b191cb5SApple OSS Distributions T_ASSERT_EQ(amtimes[0].tv_sec, newamtimes[0].tv_sec,
98*1b191cb5SApple OSS Distributions "access time matches what was set");
99*1b191cb5SApple OSS Distributions T_ASSERT_EQ(amtimes[1].tv_sec, newamtimes[1].tv_sec,
100*1b191cb5SApple OSS Distributions "modification time matches what was set");
101*1b191cb5SApple OSS Distributions }
102