projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| d9a64523 A |
1 | #include <darwintest.h> |
| 2 | ||
| 3 | #include <fcntl.h> | |
| 4 | #include <stdlib.h> | |
| 5 | #include <unistd.h> | |
| 6 | #include <sys/types.h> | |
| 7 | #include <sys/sysctl.h> | |
| 8 | #include <sys/disk.h> | |
| 9 | #include <sys/ioctl.h> | |
| 10 | #include <sys/mount.h> | |
| 11 | ||
| 12 | #if !TARGET_OS_EMBEDDED | |
| 13 | #include <sys/csr.h> | |
| 14 | #endif | |
| 15 | ||
| 16 | T_GLOBAL_META (T_META_NAMESPACE("xnu.quicktest"), T_META_CHECK_LEAKS(false)); | |
| 17 | ||
| 18 | ||
| 19 | /* ************************************************************************************************************** | |
| 20 | * Test ioctl system calls. | |
| 21 | * ************************************************************************************************************** | |
| 22 | */ | |
| 23 | T_DECL(ioctl, "Sanity check of ioctl by exercising DKIOCGETBLOCKCOUNT and DKIOCGETBLOCKSIZE", | |
| 24 | T_META_ASROOT(true)) | |
| 25 | { | |
| 26 | int my_err; | |
| 27 | int my_fd = -1; | |
| 28 | struct statfs * my_infop; | |
| 29 | char * my_ptr; | |
| 30 | int my_blksize; | |
| 31 | long long my_block_count; | |
| 32 | char my_name[ MAXPATHLEN ]; | |
| 33 | ||
| 34 | #if !TARGET_OS_EMBEDDED | |
| 35 | /* | |
| 36 | * this test won't be able to open the root disk device unless CSR is | |
| 37 | * disabled or in AppleInternal mode | |
| 38 | */ | |
| 39 | if (csr_check( CSR_ALLOW_UNRESTRICTED_FS ) && | |
| 40 | csr_check( CSR_ALLOW_APPLE_INTERNAL ) ) { | |
| 41 | T_SKIP("System Integrity Protection is enabled"); | |
| 42 | } | |
| 43 | #endif | |
| 44 | ||
| 45 | T_SETUPBEGIN; | |
| 46 | ||
| 47 | T_WITH_ERRNO; | |
| 48 | T_ASSERT_GT(getmntinfo( &my_infop, MNT_NOWAIT ), 0, "getmntinfo"); | |
| 49 | ||
| 50 | /* make this a raw device */ | |
| 51 | strlcpy( &my_name[0], &my_infop->f_mntfromname[0], sizeof(my_name) ); | |
| 52 | if ( (my_ptr = strrchr( &my_name[0], '/' )) != 0 ) { | |
| 53 | if ( my_ptr[1] != 'r' ) { | |
| 54 | my_ptr[ strlen( my_ptr ) ] = 0x00; | |
| 55 | memmove( &my_ptr[2], &my_ptr[1], (strlen( &my_ptr[1] ) + 1) ); | |
| 56 | my_ptr[1] = 'r'; | |
| 57 | } | |
| 58 | } | |
| 59 | ||
| 60 | T_ASSERT_POSIX_SUCCESS(my_fd = open( &my_name[0], O_RDONLY ), "open"); | |
| 61 | ||
| 62 | T_SETUPEND; | |
| 63 | ||
| 64 | /* obtain the size of the media (in blocks) */ | |
| 65 | T_EXPECT_POSIX_SUCCESS(my_err = ioctl( my_fd, DKIOCGETBLOCKCOUNT, &my_block_count ), | |
| 66 | "ioctl DKIOCGETBLOCKCOUNT"); | |
| 67 | ||
| 68 | /* obtain the block size of the media */ | |
| 69 | T_EXPECT_POSIX_SUCCESS(my_err = ioctl( my_fd, DKIOCGETBLOCKSIZE, &my_blksize ), | |
| 70 | "ioctl DKIOCGETBLOCKSIZE"); | |
| 71 | ||
| 72 | T_LOG( "my_block_count %qd my_blksize %d \n", my_block_count, my_blksize ); | |
| 73 | ||
| 74 | if (my_err != -1) { | |
| 75 | /* make sure the returned data looks somewhat valid */ | |
| 76 | T_EXPECT_GE(my_blksize, 0, NULL); | |
| 77 | T_EXPECT_LE(my_blksize, 1024 * 1000, NULL); | |
| 78 | } | |
| 79 | ||
| 80 | close( my_fd ); | |
| 81 | } |