tests/cases/test-transcode.m

   1 //
   2 //  test-transcode.m
   3 //  hfs
   4 //
   5 //  Created by Chris Suter on 8/21/15.
   6 //
   7 //
   8
   9 #import <TargetConditionals.h>
  10
  11 #if (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
  12
  13 #import <fcntl.h>
  14 #import <MobileKeyBag/MobileKeyBag.h>
  15 #import <Foundation/Foundation.h>
  16 #import <sys/param.h>
  17 #import <sys/mount.h>
  18
  19 #import "hfs-tests.h"
  20 #import "test-utils.h"
  21
  22 TEST(transcode)
  23
  24 #define TEST_FILE "/tmp/transcode-test.file"
  25
  26 int run_transcode(__unused test_ctx_t *ctx)
  27 {
  28         // The root file system needs to be HFS
  29         struct statfs sfs;
  30
  31         assert(statfs("/tmp", &sfs) == 0);
  32         if (strcmp(sfs.f_fstypename, "hfs")) {
  33                 printf("transcode needs hfs as root file system.\n");
  34                 return 0;
  35         }
  36
  37         MKBKeyBagHandleRef handle;
  38         CFDataRef data;
  39
  40         assert_no_err(MKBKeyBagCreateOTABackup(NULL, &handle));
  41         assert_no_err(MKBKeyBagCopyData(handle, &data));
  42         assert_no_err(MKBKeyBagRegisterOTABackup(data, NULL));
  43
  44         unlink(TEST_FILE);
  45         int fd = open_dprotected_np(TEST_FILE, O_RDWR | O_CREAT,
  46                                                                 1, 0, 0666);
  47
  48         assert_with_errno(fd >= 0);
  49
  50         char *key = malloc(1024);
  51         int res = fcntl(fd, F_TRANSCODEKEY, key);
  52
  53         assert_with_errno(res != -1);
  54
  55         // Keys should be at least 16 bytes
  56         assert(res >= 16);
  57
  58         assert_no_err(unlink(TEST_FILE));
  59
  60         assert_no_err(MKBKeyBagRegisterOTABackup(NULL, NULL));
  61         assert_no_err(MKBKeyBagRelease(handle));
  62
  63         close(fd);
  64         free(key);
  65
  66         return 0;
  67 }
  68
  69 #endif