1 #include <darwintest.h> 2 3 #include <errno.h> 4 #include <fcntl.h> 5 #include <signal.h> 6 #include <spawn.h> 7 #include <spawn_private.h> 8 #include <stdbool.h> 9 #include <stdint.h> 10 #include <stdio.h> 11 #include <stdlib.h> 12 #include <string.h> 13 #include <sys/spawn_internal.h> 14 #include <sys/sysctl.h> 15 #include <sys/syslimits.h> 16 #include <sysexits.h> 17 #include <unistd.h> 18 19 T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true)); 20 21 /* TEST_PATH needs to be something that exists, but is not the cwd */ 22 #define TEST_PATH "/System/Library/Caches" 23 24 T_DECL(posix_spawn_file_actions_addchdir_np, "Check posix_spawn_file_actions_addchdir_np", 25 T_META_ASROOT(true)) 26 { 27 posix_spawn_file_actions_t file_actions; 28 int ret; 29 30 ret = posix_spawn_file_actions_init(&file_actions); 31 T_QUIET; 32 T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_init"); 33 34 ret = posix_spawn_file_actions_addchdir_np(&file_actions, TEST_PATH); 35 T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_addchdir_np"); 36 37 char * const prog = "/bin/sh"; 38 char * const argv_child[] = { prog, 39 "-c", 40 "test $(pwd) = \"" TEST_PATH "\"", 41 NULL, }; 42 pid_t child_pid; 43 extern char **environ; 44 45 ret = posix_spawn(&child_pid, prog, &file_actions, NULL, argv_child, environ); 46 T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn"); 47 48 T_LOG("parent: spawned child with pid %d\n", child_pid); 49 50 ret = posix_spawn_file_actions_destroy(&file_actions); 51 T_QUIET; 52 T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_destroy"); 53 54 T_LOG("parent: waiting for child process\n"); 55 56 int status = 0; 57 int waitpid_result = waitpid(child_pid, &status, 0); 58 T_ASSERT_POSIX_SUCCESS(waitpid_result, "waitpid"); 59 T_ASSERT_EQ(waitpid_result, child_pid, "waitpid should return child we spawned"); 60 T_ASSERT_EQ(WIFEXITED(status), 1, "child should have exited normally"); 61 T_ASSERT_EQ(WEXITSTATUS(status), EX_OK, "child should have exited with success"); 62 } 63 64 T_DECL(posix_spawn_file_actions_addchdir_np_errors, "Check posix_spawn_file_actions_addchdir_np errors", 65 T_META_ASROOT(true)) 66 { 67 char longpath[PATH_MAX + 1]; 68 posix_spawn_file_actions_t file_actions; 69 int ret; 70 71 memset(longpath, 'a', PATH_MAX); 72 longpath[PATH_MAX] = '\0'; 73 74 ret = posix_spawn_file_actions_init(&file_actions); 75 T_QUIET; 76 T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_init"); 77 78 ret = posix_spawn_file_actions_addchdir_np(NULL, "/"); 79 T_ASSERT_EQ(ret, EINVAL, "NULL *file_actions returns EINVAL"); 80 81 ret = posix_spawn_file_actions_addchdir_np(&file_actions, longpath); 82 T_ASSERT_EQ(ret, ENAMETOOLONG, "Path longer than PATH_MAX returns ENAMETOOLONG"); 83 84 ret = posix_spawn_file_actions_destroy(&file_actions); 85 T_QUIET; 86 T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_destroy"); 87 } 88 89 T_DECL(posix_spawn_file_actions_addfchdir_np, "Check posix_spawn_file_actions_addfchdir_np", 90 T_META_ASROOT(true)) 91 { 92 posix_spawn_file_actions_t file_actions; 93 int ret; 94 int test_fd; 95 96 ret = posix_spawn_file_actions_init(&file_actions); 97 T_QUIET; 98 T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_init"); 99 100 test_fd = open(TEST_PATH, O_RDONLY | O_CLOEXEC); 101 T_ASSERT_POSIX_SUCCESS(test_fd, "open " TEST_PATH); 102 103 ret = posix_spawn_file_actions_addfchdir_np(&file_actions, test_fd); 104 T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_addfchdir_np"); 105 106 char * const prog = "/bin/sh"; 107 char * const argv_child[] = { prog, 108 "-c", 109 "test $(pwd) = \"" TEST_PATH "\"", 110 NULL, }; 111 pid_t child_pid; 112 extern char **environ; 113 114 ret = posix_spawn(&child_pid, prog, &file_actions, NULL, argv_child, environ); 115 T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn"); 116 117 T_LOG("parent: spawned child with pid %d\n", child_pid); 118 119 ret = posix_spawn_file_actions_destroy(&file_actions); 120 T_QUIET; 121 T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_destroy"); 122 123 T_LOG("parent: waiting for child process\n"); 124 125 int status = 0; 126 int waitpid_result = waitpid(child_pid, &status, 0); 127 T_ASSERT_POSIX_SUCCESS(waitpid_result, "waitpid"); 128 T_ASSERT_EQ(waitpid_result, child_pid, "waitpid should return child we spawned"); 129 T_ASSERT_EQ(WIFEXITED(status), 1, "child should have exited normally"); 130 T_ASSERT_EQ(WEXITSTATUS(status), EX_OK, "child should have exited with success"); 131 132 ret = close(test_fd); 133 T_QUIET; 134 T_ASSERT_POSIX_SUCCESS(ret, "close test fd"); 135 } 136 137 T_DECL(posix_spawn_file_actions_addfchdir_np_errors, "Check posix_spawn_file_actions_addfchdir_np errors", 138 T_META_ASROOT(true)) 139 { 140 posix_spawn_file_actions_t file_actions; 141 int ret; 142 143 ret = posix_spawn_file_actions_init(&file_actions); 144 T_QUIET; 145 T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_init"); 146 147 ret = posix_spawn_file_actions_addfchdir_np(NULL, 0); 148 T_ASSERT_EQ(ret, EINVAL, "NULL *file_actions returns EINVAL"); 149 150 ret = posix_spawn_file_actions_addfchdir_np(&file_actions, -1); 151 T_ASSERT_EQ(ret, EBADF, "-1 file descriptor returns EBADF"); 152 153 ret = posix_spawn_file_actions_destroy(&file_actions); 154 T_QUIET; 155 T_ASSERT_POSIX_SUCCESS(ret, "posix_spawn_file_actions_destroy"); 156 } 157