/*
* This file is part of ioctl_loop strace test.
*
* Copyright (c) 2016 JingPiao Chen <chenjingpiao@gmail.com>
* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <inttypes.h>
#include <sys/ioctl.h>
#include <sys/sysmacros.h>
#include <linux/ioctl.h>
#include <linux/loop.h>
#include "xlat/loop_cmds.h"
#ifndef ABBREV
# define ABBREV 0
#endif
static void
print_loop_info(struct loop_info * const info, bool print_encrypt,
const char *encrypt_type, const char *encrypt_key,
const char *flags)
{
#if ABBREV
printf("%p", info);
#else
printf("{lo_number=%d", info->lo_number);
# if VERBOSE
printf(", lo_device=makedev(%u, %u), lo_inode=%lu, "
"lo_rdevice=makedev(%u, %u)",
major(info->lo_device), minor(info->lo_device),
info->lo_inode,
major(info->lo_rdevice), minor(info->lo_rdevice));
# endif /* VERBOSE */
printf(", lo_offset=%#x", info->lo_offset);
if (VERBOSE || print_encrypt) {
printf(", lo_encrypt_type=");
if (encrypt_type)
printf("%s", encrypt_type);
else
printf("%#x /* LO_CRYPT_??? */", info->lo_encrypt_type);
printf(", lo_encrypt_key_size=%" PRIu32,
(uint32_t) info->lo_encrypt_key_size);
}
printf(", lo_flags=");
if (flags)
printf("%s", flags);
else
printf("%#x /* LO_FLAGS_??? */", info->lo_flags);
printf(", lo_name=\"%.*s\"",
(int) sizeof(info->lo_name) - 1, info->lo_name);
if (VERBOSE || print_encrypt)
printf(", lo_encrypt_key=\"%.*s\"",
encrypt_key ? (int) strlen(encrypt_key) :
(int) sizeof(info->lo_encrypt_key),
encrypt_key ? encrypt_key :
(char *) info->lo_encrypt_key);
# if VERBOSE
printf(", lo_init=[%#lx, %#lx]"
", reserved=[%#hhx, %#hhx, %#hhx, %#hhx]}",
info->lo_init[0], info->lo_init[1],
info->reserved[0], info->reserved[1],
info->reserved[2], info->reserved[3]);
# else /* !VERBOSE */
printf(", ...}");
# endif /* VERBOSE */
#endif /* !ABBREV */
}
static void
print_loop_info64(struct loop_info64 * const info64, bool print_encrypt,
const char *encrypt_type, const char *encrypt_key,
const char *flags)
{
#if ABBREV
printf("%p", info64);
#else
# if VERBOSE
printf("{lo_device=makedev(%u, %u), lo_inode=%" PRIu64
", lo_rdevice=makedev(%u, %u), lo_offset=%#" PRIx64
", lo_sizelimit=%" PRIu64 ", lo_number=%" PRIu32,
major(info64->lo_device), minor(info64->lo_device),
(uint64_t) info64->lo_inode,
major(info64->lo_rdevice), minor(info64->lo_rdevice),
(uint64_t) info64->lo_offset,
(uint64_t) info64->lo_sizelimit,
(uint32_t) info64->lo_number);
# else /* !VERBOSE */
printf("{lo_offset=%#" PRIx64 ", lo_number=%" PRIu32,
(uint64_t) info64->lo_offset,
(uint32_t) info64->lo_number);
# endif /* VERBOSE */
if (VERBOSE || print_encrypt) {
printf(", lo_encrypt_type=");
if (encrypt_type)
printf("%s", encrypt_type);
else
printf("%#x /* LO_CRYPT_??? */",
info64->lo_encrypt_type);
printf(", lo_encrypt_key_size=%" PRIu32,
info64->lo_encrypt_key_size);
}
printf(", lo_flags=");
if (flags)
printf("%s", flags);
else
printf("%#x /* LO_FLAGS_??? */", info64->lo_flags);
printf(", lo_file_name=\"%.*s\"",
(int) sizeof(info64->lo_file_name) - 1, info64->lo_file_name);
if (VERBOSE || print_encrypt)
printf(", lo_crypt_name=\"%.*s\", lo_encrypt_key=\"%.*s\"",
(int) sizeof(info64->lo_crypt_name) - 1,
info64->lo_crypt_name,
encrypt_key ? (int) strlen(encrypt_key) :
(int) sizeof(info64->lo_encrypt_key),
encrypt_key ? encrypt_key :
(char *) info64->lo_encrypt_key);
# if VERBOSE
printf(", lo_init=[%#" PRIx64 ", %#" PRIx64 "]}",
(uint64_t) info64->lo_init[0],
(uint64_t) info64->lo_init[1]);
# else /* !VERBOSE */
printf(", ...}");
# endif /* VERBOSE */
#endif /* !ABBREV */
}
int
main(void)
{
static const kernel_ulong_t unknown_loop_cmd =
(kernel_ulong_t) 0xbadc0dedfeed4cedULL;
static const kernel_ulong_t magic =
(kernel_ulong_t) 0xdeadbeefbadc0dedULL;
static const kernel_ulong_t kernel_mask =
((kernel_ulong_t) -1) - ((unsigned long) -1L);
struct loop_info * const info = tail_alloc(sizeof(*info));
struct loop_info64 * const info64 = tail_alloc(sizeof(*info64));
/* Unknown loop commands */
ioctl(-1, unknown_loop_cmd, magic);
printf("ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE%s, 0x4c, %#x, %#x), "
"%#lx) = -1 EBADF (%m)\n",
_IOC_DIR((unsigned int) unknown_loop_cmd) & _IOC_NONE ?
"|_IOC_NONE" : "",
_IOC_NR((unsigned int) unknown_loop_cmd),
_IOC_SIZE((unsigned int) unknown_loop_cmd),
(unsigned long) magic);
ioctl(-1, LOOP_SET_DIRECT_IO + 1, magic);
printf("ioctl(-1, _IOC(0, 0x4c, %#x, %#x), %#lx) = "
"-1 EBADF (%m)\n",
_IOC_NR(LOOP_SET_DIRECT_IO + 1),
_IOC_SIZE(LOOP_SET_DIRECT_IO + 1),
(unsigned long) magic);
ioctl(-1, LOOP_CTL_GET_FREE + 1, magic);
printf("ioctl(-1, _IOC(0, 0x4c, %#x, %#x), %#lx) = "
"-1 EBADF (%m)\n",
_IOC_NR(LOOP_CTL_GET_FREE + 1),
_IOC_SIZE(LOOP_CTL_GET_FREE + 1),
(unsigned long) magic);
/* LOOP_SET_FD */
ioctl(-1, LOOP_SET_FD, magic);
printf("ioctl(-1, LOOP_SET_FD, %d) = -1 EBADF (%m)\n",
(unsigned int) magic);
/* LOOP_CLR_FD */
ioctl(-1, LOOP_CLR_FD);
printf("ioctl(-1, LOOP_CLR_FD) = -1 EBADF (%m)\n");
/* LOOP_SET_STATUS */
ioctl(-1, LOOP_SET_STATUS, NULL);
printf("ioctl(-1, LOOP_SET_STATUS, NULL) = -1 EBADF (%m)\n");
fill_memory(info, sizeof(*info));
info->lo_flags = 0xdeface00;
info->lo_name[0] = '\0';
info->lo_encrypt_key[0] = '\0';
info->lo_encrypt_key_size = 1;
printf("ioctl(-1, LOOP_SET_STATUS, ");
print_loop_info(info, true, NULL, "\\0", NULL);
ioctl(-1, LOOP_SET_STATUS, info);
printf(") = -1 EBADF (%m)\n");
fill_memory(info, sizeof(*info));
info->lo_encrypt_type = LO_CRYPT_NONE;
info->lo_flags = LO_FLAGS_READ_ONLY;
memset(info->lo_name, 'A', sizeof(info->lo_name));
memset(info->lo_encrypt_key, 'B', sizeof(info->lo_encrypt_key));
ioctl(-1, LOOP_SET_STATUS, (void *) info + ALIGNOF(info));
printf("ioctl(-1, LOOP_SET_STATUS, %p) = -1 EBADF (%m)\n",
(void *) info + ALIGNOF(info));
printf("ioctl(-1, LOOP_SET_STATUS, ");
print_loop_info(info, false, "LO_CRYPT_NONE", NULL,
"LO_FLAGS_READ_ONLY");
ioctl(-1, LOOP_SET_STATUS, info);
printf(") = -1 EBADF (%m)\n");
/* LOOP_GET_STATUS */
ioctl(-1, LOOP_GET_STATUS, NULL);
printf("ioctl(-1, LOOP_GET_STATUS, NULL) = -1 EBADF (%m)\n");
ioctl(-1, LOOP_GET_STATUS, (unsigned long) info | kernel_mask);
printf("ioctl(-1, LOOP_GET_STATUS, %p) = -1 EBADF (%m)\n", info);
/* LOOP_SET_STATUS64 */
ioctl(-1, LOOP_SET_STATUS64, NULL);
printf("ioctl(-1, LOOP_SET_STATUS64, NULL) = -1 EBADF (%m)\n");
fill_memory(info64, sizeof(*info64));
info64->lo_flags = 0xdec0de00;
info64->lo_file_name[0] = '\0';
info64->lo_crypt_name[0] = '\0';
info64->lo_encrypt_key[0] = '\0';
info64->lo_encrypt_key_size = 1;
printf("ioctl(-1, LOOP_SET_STATUS64, ");
print_loop_info64(info64, true, NULL, "\\0", NULL);
ioctl(-1, LOOP_SET_STATUS64, info64);
printf(") = -1 EBADF (%m)\n");
fill_memory(info64, sizeof(*info64));
info64->lo_flags = LO_FLAGS_READ_ONLY;
info64->lo_encrypt_type = LO_CRYPT_NONE;
memset(info64->lo_file_name, 'C', sizeof(info64->lo_file_name));
memset(info64->lo_crypt_name, 'D', sizeof(info64->lo_crypt_name));
memset(info64->lo_encrypt_key, 'E', sizeof(info64->lo_encrypt_key));
ioctl(-1, LOOP_SET_STATUS64, (void *) info64 + ALIGNOF(info64));
printf("ioctl(-1, LOOP_SET_STATUS64, %p) = -1 EBADF (%m)\n",
(void *) info64 + ALIGNOF(info64));
printf("ioctl(-1, LOOP_SET_STATUS64, ");
print_loop_info64(info64, false, "LO_CRYPT_NONE", NULL,
"LO_FLAGS_READ_ONLY");
ioctl(-1, LOOP_SET_STATUS64, info64);
printf(") = -1 EBADF (%m)\n");
/* LOOP_GET_STATUS64 */
ioctl(-1, LOOP_GET_STATUS64, NULL);
printf("ioctl(-1, LOOP_GET_STATUS64, NULL) = -1 EBADF (%m)\n");
ioctl(-1, LOOP_GET_STATUS64, (unsigned long) info64 | kernel_mask);
printf("ioctl(-1, LOOP_GET_STATUS64, %p) = -1 EBADF (%m)\n", info64);
/* LOOP_CHANGE_FD */
ioctl(-1, LOOP_CHANGE_FD, magic);
printf("ioctl(-1, LOOP_CHANGE_FD, %d) = -1 EBADF (%m)\n",
(unsigned int) magic);
/* LOOP_SET_CAPACITY */
ioctl(-1, LOOP_SET_CAPACITY);
printf("ioctl(-1, LOOP_SET_CAPACITY) = -1 EBADF (%m)\n");
/* LOOP_SET_DIRECT_IO */
ioctl(-1, LOOP_SET_DIRECT_IO, magic);
printf("ioctl(-1, LOOP_SET_DIRECT_IO, %lu) = -1 EBADF (%m)\n",
(unsigned long) magic);
/* LOOP_CTL_ADD */
ioctl(-1, LOOP_CTL_ADD, magic);
printf("ioctl(-1, LOOP_CTL_ADD, %d) = -1 EBADF (%m)\n",
(unsigned int) magic);
/* LOOP_CTL_REMOVE */
ioctl(-1, LOOP_CTL_REMOVE, magic);
printf("ioctl(-1, LOOP_CTL_REMOVE, %d) = -1 EBADF (%m)\n",
(unsigned int) magic);
/* LOOP_CTL_GET_FREE */
ioctl(-1, LOOP_CTL_GET_FREE);
printf("ioctl(-1, LOOP_CTL_GET_FREE) = -1 EBADF (%m)\n");
puts("+++ exited with 0 +++");
return 0;
}