tests/settimeofday_29193041.c

   1 #include <stdio.h>
   2 #include <errno.h>
   3 #include <string.h>
   4 #include <unistd.h>
   5 #include <mach/clock_types.h>
   6 #include <sys/mman.h>
   7 #include <sys/timex.h>
   8 #include <spawn.h>
   9 #include <darwintest.h>
  10 #include <darwintest_utils.h>
  11
  12 /*
  13  * This test expects the entitlement or root privileges for a process to
  14  * set the time using settimeofday syscall.
  15  */
  16
  17 #define DAY 86400 //1 day in sec
  18
  19 T_DECL(settime_32089962_not_entitled_root,
  20     "Verify that root privileges can allow to change the time",
  21     T_META_ASROOT(true), T_META_CHECK_LEAKS(false))
  22 {
  23         struct timeval settimeofdaytime;
  24         struct timeval adj_time;
  25         struct timex ntptime;
  26
  27         /* test settimeofday */
  28         T_QUIET; T_ASSERT_POSIX_ZERO(gettimeofday(&settimeofdaytime, NULL), NULL);
  29         T_ASSERT_POSIX_ZERO(settimeofday(&settimeofdaytime, NULL), NULL);
  30
  31         /* test adjtime */
  32         adj_time.tv_sec = 1;
  33         adj_time.tv_usec = 0;
  34         T_ASSERT_POSIX_ZERO(adjtime(&adj_time, NULL), NULL);
  35
  36         /* test ntp_adjtime */
  37         memset(&ntptime, 0, sizeof(ntptime));
  38         ntptime.modes |= MOD_STATUS;
  39         ntptime.status = TIME_OK;
  40
  41         T_ASSERT_EQ(ntp_adjtime(&ntptime), TIME_OK, NULL);
  42 }
  43
  44 T_DECL(settime_32089962_not_entitled_not_root,
  45     "Verify that the \"com.apple.settime\" entitlement can allow to change the time",
  46     T_META_ASROOT(false), T_META_CHECK_LEAKS(false))
  47 {
  48         struct timeval settimeofdaytime;
  49         struct timeval adj_time;
  50         struct timex ntptime;
  51         int res;
  52
  53         if (geteuid() == 0) {
  54                 T_SKIP("settimeofday_29193041 test requires no root privileges to run.");
  55         }
  56
  57         T_QUIET; T_ASSERT_POSIX_ZERO(gettimeofday(&settimeofdaytime, NULL), NULL);
  58
  59         /* test settimeofday */
  60 #if (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
  61         T_ASSERT_POSIX_ZERO(settimeofday(&settimeofdaytime, NULL), NULL);
  62 #else
  63         res = settimeofday(&settimeofdaytime, NULL);
  64         T_ASSERT_EQ(res, -1, NULL);
  65 #endif
  66
  67         /* test adjtime */
  68         adj_time.tv_sec = 1;
  69         adj_time.tv_usec = 0;
  70         res = adjtime(&adj_time, NULL);
  71         T_ASSERT_EQ(res, -1, NULL);
  72
  73         /* test ntp_adjtime */
  74         memset(&ntptime, 0, sizeof(ntptime));
  75         ntptime.modes |= MOD_STATUS;
  76         ntptime.status = TIME_OK;
  77         res = ntp_adjtime(&ntptime);
  78         T_ASSERT_EQ(res, -1, NULL);
  79 }
  80
  81 T_DECL(settimeofday_29193041_not_entitled_root,
  82     "Verify that root privileges can allow to change the time",
  83     T_META_ASROOT(true), T_META_CHECK_LEAKS(false))
  84 {
  85         struct timeval time;
  86         long new_time;
  87
  88         T_QUIET; T_ASSERT_POSIX_ZERO(gettimeofday(&time, NULL), NULL);
  89
  90         /* increment the time of one day */
  91         new_time = time.tv_sec + DAY;
  92
  93         time.tv_sec = new_time;
  94         time.tv_usec = 0;
  95
  96         T_ASSERT_POSIX_ZERO(settimeofday(&time, NULL), NULL);
  97
  98         T_QUIET; T_ASSERT_POSIX_ZERO(gettimeofday(&time, NULL), NULL);
  99
 100         /* expext to be past new_time */
 101         T_EXPECT_GE_LONG(time.tv_sec, new_time, "Time changed with root and without entitlement");
 102
 103         time.tv_sec -= DAY;
 104         T_QUIET; T_ASSERT_POSIX_ZERO(settimeofday(&time, NULL), NULL);
 105 }
 106
 107 T_DECL(settimeofday_29193041_not_entitled_not_root,
 108     "Verify that the \"com.apple.settime\" entitlement can allow to change the time",
 109     T_META_ASROOT(false), T_META_CHECK_LEAKS(false))
 110 {
 111         struct timeval time;
 112         long new_time;
 113
 114         if (geteuid() == 0) {
 115                 T_SKIP("settimeofday_29193041 test requires no root privileges to run.");
 116         }
 117
 118         T_QUIET; T_ASSERT_POSIX_ZERO(gettimeofday(&time, NULL), NULL);
 119
 120         /* increment the time of one day */
 121         new_time = time.tv_sec + DAY;
 122
 123         time.tv_sec = new_time;
 124         time.tv_usec = 0;
 125
 126 #if (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
 127         T_ASSERT_POSIX_ZERO(settimeofday(&time, NULL), NULL);
 128 #else
 129         int res = settimeofday(&time, NULL);
 130         T_ASSERT_EQ(res, -1, NULL);
 131 #endif
 132
 133         T_QUIET; T_ASSERT_POSIX_ZERO(gettimeofday(&time, NULL), NULL);
 134
 135 #if (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
 136         /* expext to be past new_time */
 137         T_EXPECT_GE_LONG(time.tv_sec, new_time, "Time successfully changed without root and without entitlement");
 138         time.tv_sec -= DAY;
 139         T_QUIET; T_ASSERT_POSIX_ZERO(settimeofday(&time, NULL), NULL);
 140 #else
 141         T_EXPECT_LT_LONG(time.tv_sec, new_time, "Not permitted to change time without root and without entitlement");
 142 #endif
 143 }