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 #if CONFIG_EMBEDDED
  13 #include <sys/types.h>
  14 #include <pwd.h>
  15 #include <uuid/uuid.h>
  16 #endif
  17
  18 /*
  19  * This test expects the entitlement or root privileges for a process to
  20  * set the time using settimeofday syscall.
  21  */
  22
  23 #define DAY 86400 //1 day in sec
  24
  25 T_DECL(settime_32089962_not_entitled_root,
  26         "Verify that root privileges can allow to change the time",
  27         T_META_ASROOT(true), T_META_CHECK_LEAKS(false))
  28 {
  29         struct timeval settimeofdaytime;
  30         struct timeval adj_time;
  31         struct timex ntptime;
  32
  33         if (geteuid() != 0){
  34                 T_SKIP("settimeofday_root_29193041 test requires root privileges to run.");
  35         }
  36
  37         /* test settimeofday */
  38         T_QUIET; T_ASSERT_POSIX_ZERO(gettimeofday(&settimeofdaytime, NULL), NULL);
  39         T_ASSERT_POSIX_ZERO(settimeofday(&settimeofdaytime, NULL), NULL);
  40
  41         /* test adjtime */
  42         adj_time.tv_sec = 1;
  43         adj_time.tv_usec = 0;
  44         T_ASSERT_POSIX_ZERO(adjtime(&adj_time, NULL),NULL);
  45
  46         /* test ntp_adjtime */
  47         memset(&ntptime, 0, sizeof(ntptime));
  48         ntptime.modes |= MOD_STATUS;
  49         ntptime.status = TIME_OK;
  50
  51         T_ASSERT_EQ(ntp_adjtime(&ntptime), TIME_OK, NULL);
  52 }
  53
  54 T_DECL(settime_32089962_not_entitled_not_root,
  55         "Verify that the \"com.apple.settime\" entitlement can allow to change the time",
  56         T_META_ASROOT(false), T_META_CHECK_LEAKS(false))
  57 {
  58         struct timeval settimeofdaytime;
  59         struct timeval adj_time;
  60         struct timex ntptime;
  61         int res;
  62
  63         if (geteuid() == 0){
  64                 T_SKIP("settimeofday_29193041 test requires no root privileges to run.");
  65         }
  66
  67         T_QUIET; T_ASSERT_POSIX_ZERO(gettimeofday(&settimeofdaytime, NULL), NULL);
  68
  69         /* test settimeofday */
  70 #if TARGET_OS_EMBEDDED
  71         T_ASSERT_POSIX_ZERO(settimeofday(&settimeofdaytime, NULL), NULL);
  72 #else
  73         res = settimeofday(&settimeofdaytime, NULL);
  74         T_ASSERT_EQ(res, -1, NULL);
  75 #endif
  76
  77         /* test adjtime */
  78         adj_time.tv_sec = 1;
  79         adj_time.tv_usec = 0;
  80         res = adjtime(&adj_time, NULL);
  81         T_ASSERT_EQ(res, -1, NULL);
  82
  83         /* test ntp_adjtime */
  84         memset(&ntptime, 0, sizeof(ntptime));
  85         ntptime.modes |= MOD_STATUS;
  86         ntptime.status = TIME_OK;
  87         res = ntp_adjtime(&ntptime);
  88         T_ASSERT_EQ(res, -1, NULL);
  89 }
  90
  91 T_DECL(settimeofday_29193041_not_entitled_root,
  92         "Verify that root privileges can allow to change the time",
  93         T_META_ASROOT(true), T_META_CHECK_LEAKS(false))
  94 {
  95         struct timeval time;
  96         long new_time;
  97
  98         if (geteuid() != 0){
  99                 T_SKIP("settimeofday_root_29193041 test requires root privileges to run.");
 100         }
 101
 102         T_QUIET; T_ASSERT_POSIX_ZERO(gettimeofday(&time, NULL), NULL);
 103
 104         /* increment the time of one day */
 105         new_time = time.tv_sec + DAY;
 106
 107         time.tv_sec = new_time;
 108         time.tv_usec = 0;
 109
 110         T_ASSERT_POSIX_ZERO(settimeofday(&time, NULL), NULL);
 111
 112         T_QUIET; T_ASSERT_POSIX_ZERO(gettimeofday(&time, NULL), NULL);
 113
 114         /* expext to be past new_time */
 115         T_EXPECT_GE_LONG(time.tv_sec, new_time, "Time changed with root and without entitlement");
 116
 117         time.tv_sec -= DAY;
 118         T_QUIET;T_ASSERT_POSIX_ZERO(settimeofday(&time, NULL), NULL);
 119 }
 120
 121 T_DECL(settimeofday_29193041_not_entitled_not_root,
 122         "Verify that the \"com.apple.settime\" entitlement can allow to change the time",
 123         T_META_ASROOT(false), T_META_CHECK_LEAKS(false))
 124 {
 125         struct timeval time;
 126         long new_time;
 127
 128         if (geteuid() == 0){
 129                 T_SKIP("settimeofday_29193041 test requires no root privileges to run.");
 130         }
 131
 132         T_QUIET; T_ASSERT_POSIX_ZERO(gettimeofday(&time, NULL), NULL);
 133
 134         /* increment the time of one day */
 135         new_time = time.tv_sec + DAY;
 136
 137         time.tv_sec = new_time;
 138         time.tv_usec = 0;
 139
 140 #if TARGET_OS_EMBEDDED
 141         T_ASSERT_POSIX_ZERO(settimeofday(&time, NULL), NULL);
 142 #else
 143         int res = settimeofday(&time, NULL);
 144         T_ASSERT_EQ(res, -1, NULL);
 145 #endif
 146
 147         T_QUIET; T_ASSERT_POSIX_ZERO(gettimeofday(&time, NULL), NULL);
 148
 149 #if TARGET_OS_EMBEDDED
 150         /* expext to be past new_time */
 151         T_EXPECT_GE_LONG(time.tv_sec, new_time, "Time successfully changed without root and without entitlement");
 152         time.tv_sec -= DAY;
 153         T_QUIET; T_ASSERT_POSIX_ZERO(settimeofday(&time, NULL), NULL);
 154 #else
 155         T_EXPECT_LT_LONG(time.tv_sec, new_time, "Not permitted to change time without root and without entitlement");
 156 #endif
 157
 158 }