| 1 | #include <darwintest.h> |
| 2 | #include <mach/host_priv.h> |
| 3 | #include <mach/mach.h> |
| 4 | #include <mach/mach_types.h> |
| 5 | #include <mach/processor_set.h> |
| 6 | #include <mach/task.h> |
| 7 | #include <sys/sysctl.h> |
| 8 | #include <unistd.h> |
| 9 | #include <mach-o/dyld.h> |
| 10 | #include <mach-o/dyld_images.h> |
| 11 | #include <sys/types.h> |
| 12 | #include <sys/wait.h> |
| 13 | #include <stdlib.h> |
| 14 | |
| 15 | T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); |
| 16 | |
| 17 | static void |
| 18 | do_child(int *pipefd) |
| 19 | { |
| 20 | int exit = 0; |
| 21 | |
| 22 | close(pipefd[1]); |
| 23 | read(pipefd[0], &exit, sizeof(int)); |
| 24 | T_QUIET; T_EXPECT_EQ_INT(exit, 1, "exit"); |
| 25 | close(pipefd[0]); |
| 26 | } |
| 27 | |
| 28 | T_DECL(task_info_28439149, "ensure that task_info has the correct permission", |
| 29 | T_META_CHECK_LEAKS(false), T_META_ASROOT(true)) |
| 30 | { |
| 31 | int pipefd[2]; |
| 32 | |
| 33 | T_QUIET; T_ASSERT_POSIX_SUCCESS(pipe(pipefd), "pipe"); |
| 34 | |
| 35 | int pid = fork(); |
| 36 | T_QUIET; T_ASSERT_POSIX_SUCCESS(pid, "fork"); |
| 37 | |
| 38 | if (pid == 0) { |
| 39 | do_child(pipefd); |
| 40 | return; |
| 41 | } |
| 42 | |
| 43 | close(pipefd[0]); |
| 44 | |
| 45 | int exit; |
| 46 | mach_msg_type_number_t count; |
| 47 | struct task_basic_info_64 ti; |
| 48 | task_dyld_info_data_t di; |
| 49 | |
| 50 | task_t self = mach_task_self(); |
| 51 | task_t other_name; |
| 52 | task_t other; |
| 53 | int ret; |
| 54 | |
| 55 | T_EXPECT_MACH_SUCCESS(task_for_pid(self, pid, &other), NULL); |
| 56 | T_EXPECT_MACH_SUCCESS(task_name_for_pid(self, pid, &other_name), NULL); |
| 57 | |
| 58 | count = TASK_BASIC_INFO_64_COUNT; |
| 59 | T_EXPECT_MACH_SUCCESS(task_info(self, TASK_BASIC_INFO_64, (task_info_t)&ti, |
| 60 | &count), "task_info(self, TASK_BASIC_INFO_64 ...)"); |
| 61 | count = TASK_BASIC_INFO_64_COUNT; |
| 62 | T_EXPECT_MACH_SUCCESS(task_info(other, TASK_BASIC_INFO_64, (task_info_t)&ti, |
| 63 | &count), "task_info(other_name, TASK_BASIC_INFO_64 ...)"); |
| 64 | count = TASK_BASIC_INFO_64_COUNT; |
| 65 | T_EXPECT_MACH_SUCCESS(task_info(other_name, TASK_BASIC_INFO_64, (task_info_t)&ti, |
| 66 | &count), "task_info(other_name, TASK_BASIC_INFO_64 ...)"); |
| 67 | |
| 68 | |
| 69 | count = TASK_DYLD_INFO_COUNT; |
| 70 | T_EXPECT_MACH_SUCCESS(task_info(self, TASK_DYLD_INFO, (task_info_t)&di, |
| 71 | &count), "task_info(self, TASK_DYLD_INFO ...)"); |
| 72 | count = TASK_DYLD_INFO_COUNT; |
| 73 | T_EXPECT_MACH_SUCCESS(task_info(other, TASK_DYLD_INFO, (task_info_t)&di, |
| 74 | &count), "task_info(other_name, TASK_DYLD_INFO ...)"); |
| 75 | count = TASK_DYLD_INFO_COUNT; |
| 76 | ret = task_info(other_name, TASK_DYLD_INFO, (task_info_t)&di, &count); |
| 77 | T_EXPECT_EQ_INT(ret, KERN_INVALID_ARGUMENT, "task info TASK_DYLD_INFO should fail with mach_port_name"); |
| 78 | |
| 79 | exit = 1; |
| 80 | write(pipefd[1], &exit, sizeof(int)); |
| 81 | close(pipefd[1]); |
| 82 | |
| 83 | wait(NULL); |
| 84 | } |