/*
* Check decoding of DM_* commands of ioctl syscall.
*
* Copyright (c) 2016 Mikulas Patocka <mpatocka@redhat.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"
#ifdef HAVE_LINUX_DM_IOCTL_H
# include <errno.h>
# include <inttypes.h>
# include <stdbool.h>
# include <stdio.h>
# include <stddef.h>
# include <string.h>
# include <sys/ioctl.h>
# include <linux/ioctl.h>
# include <linux/dm-ioctl.h>
# ifndef VERBOSE
# define VERBOSE 0
# endif
# define STR32 "AbCdEfGhIjKlMnOpQrStUvWxYz012345"
# define ALIGNED_SIZE(s_, t_) \
(((s_) + (ALIGNOF(t_) - 1UL)) & ~(ALIGNOF(t_) - 1UL))
# define ALIGNED_OFFSET(t_, m_) \
ALIGNED_SIZE(offsetof(t_, m_), t_)
static const char str129[] = STR32 STR32 STR32 STR32 "6";
static const __u64 dts_sector_base = (__u64) 0xdeadca75facef157ULL;
static const __u64 dts_sector_step = (__u64) 0x100000001ULL;
static const __u64 dts_length_base = (__u64) 0xbadc0dedda7a1057ULL;
static const __u64 dts_length_step = (__u64) 0x700000007ULL;
static const __s32 dts_status_base = (__s32) 3141592653U;
static const __s32 dts_status_step = 0x1234;
static const size_t min_sizeof_dm_ioctl =
offsetof(struct dm_ioctl, data);
static struct s {
struct dm_ioctl ioc;
union {
struct {
struct dm_target_spec target_spec;
char target_params[256];
} ts;
struct {
struct dm_target_msg target_msg;
char target_string[256];
} tm;
char string[256];
} u;
} s;
struct dm_table_open_test {
struct dm_ioctl ioc;
struct dm_target_spec target0;
char param0[1];
struct dm_target_spec target1;
char param1[2];
struct dm_target_spec target2;
char param2[3];
struct dm_target_spec target3;
char param3[4];
struct dm_target_spec target4;
char param4[5];
struct dm_target_spec target5;
char param5[6];
struct dm_target_spec target6;
char param6[7];
struct dm_target_spec target7;
char param7[8];
struct dm_target_spec target8;
char param8[9];
struct dm_target_spec target9;
char param9[10];
};
struct dm_target_msg_test {
struct dm_ioctl ioc;
struct dm_target_msg msg;
};
struct args {
unsigned int arg;
const char *str;
bool has_params;
bool has_event_nr;
};
static void
init_s(struct dm_ioctl *s, size_t size, size_t offs)
{
memset(s, 0, size);
s->version[0] = DM_VERSION_MAJOR;
s->version[1] = 1;
s->version[2] = 2;
s->data_size = size;
s->data_start = offs;
s->dev = 0x1234;
strcpy(s->name, "nnn");
strcpy(s->uuid, "uuu");
}
static void
init_dm_target_spec(struct dm_target_spec *ptr, uint32_t id)
{
ptr->sector_start = dts_sector_base + dts_sector_step * id;
ptr->length = dts_length_base + dts_length_step * id;
ptr->status = dts_status_base + dts_status_step * id;
strncpy(ptr->target_type, str129 +
id % (sizeof(str129) - sizeof(ptr->target_type)),
id % (sizeof(ptr->target_type) + 1));
if (id % (sizeof(ptr->target_type) + 1) < sizeof(ptr->target_type))
ptr->target_type[id % (sizeof(ptr->target_type) + 1)] = '\0';
}
# if VERBOSE
static void
print_dm_target_spec(struct dm_target_spec *ptr, uint32_t id)
{
printf("{sector_start=%" PRI__u64 ", length=%" PRI__u64 ", "
"target_type=\"%.*s\", string=",
dts_sector_base + dts_sector_step * id,
dts_length_base + dts_length_step * id,
(int) (id % (sizeof(ptr->target_type) + 1)),
str129 + id % (sizeof(str129) - sizeof(ptr->target_type)));
}
# endif /* VERBOSE */
int
main(void)
{
static kernel_ulong_t dummy_dm_ioctl1 =
_IOC(_IOC_READ, DM_IOCTL, 0, 0x1fff);
static kernel_ulong_t dummy_dm_ioctl2 =
_IOC(_IOC_READ|_IOC_WRITE, DM_IOCTL, 0xed, 0);
static kernel_ulong_t dummy_dm_arg =
(kernel_ulong_t) 0xbadc0dedda7a1057ULL;
/* We can't check these properly for now */
static struct args dummy_check_cmds_nodev[] = {
{ ARG_STR(DM_REMOVE_ALL), false },
{ ARG_STR(DM_LIST_DEVICES), true },
{ ARG_STR(DM_LIST_VERSIONS), true },
};
static struct args dummy_check_cmds[] = {
{ ARG_STR(DM_DEV_CREATE), false },
{ ARG_STR(DM_DEV_REMOVE), false, true },
{ ARG_STR(DM_DEV_STATUS), false },
{ ARG_STR(DM_DEV_WAIT), true, true },
{ ARG_STR(DM_TABLE_CLEAR), false },
{ ARG_STR(DM_TABLE_DEPS), true },
{ ARG_STR(DM_TABLE_STATUS), true },
};
struct dm_ioctl *unaligned_dm_arg =
tail_alloc(offsetof(struct dm_ioctl, data));
struct dm_ioctl *dm_arg =
tail_alloc(ALIGNED_OFFSET(struct dm_ioctl, data));
struct dm_table_open_test *dm_arg_open1 =
tail_alloc(ALIGNED_OFFSET(struct dm_table_open_test, target1));
struct dm_table_open_test *dm_arg_open2 =
tail_alloc(ALIGNED_OFFSET(struct dm_table_open_test, param1));
struct dm_table_open_test *dm_arg_open3 =
tail_alloc(ALIGNED_OFFSET(struct dm_table_open_test, target9));
struct dm_target_msg_test *dm_arg_msg =
tail_alloc(sizeof(*dm_arg_msg));
long rc;
const char *errstr;
unsigned int i;
/* Incorrect operation */
ioctl(-1, _IOW(DM_IOCTL, 0xde, int), dm_arg);
printf("ioctl(-1, _IOC(_IOC_WRITE, %#x, 0xde, %#zx), %p) = "
"-1 EBADF (%m)\n",
DM_IOCTL, sizeof(int), dm_arg);
ioctl(-1, dummy_dm_ioctl1, 0);
printf("ioctl(-1, _IOC(_IOC_READ, %#x, 0, %#x), 0) = -1 EBADF (%m)\n",
DM_IOCTL, (unsigned int) _IOC_SIZE(dummy_dm_ioctl1));
ioctl(-1, dummy_dm_ioctl2, dummy_dm_arg);
printf("ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, %#x, %#x, 0), %#lx) = "
"-1 EBADF (%m)\n",
DM_IOCTL, (unsigned int) _IOC_NR(dummy_dm_ioctl2),
(unsigned long) dummy_dm_arg);
/* DM_VERSION */
/* Incorrect pointer */
ioctl(-1, DM_VERSION, dm_arg + 1);
printf("ioctl(-1, DM_VERSION, %p) = -1 EBADF (%m)\n", dm_arg + 1);
/* Incorrect data_size */
init_s(dm_arg, 0, 0);
ioctl(-1, DM_VERSION, &s);
printf("ioctl(-1, DM_VERSION, %p) = -1 EBADF (%m)\n", &s);
/* Incorrect version */
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
dm_arg->version[0] = 0xbadc0ded;
dm_arg->version[1] = 0xbadc0dee;
dm_arg->version[2] = 0xbadc0def;
ioctl(-1, DM_VERSION, dm_arg);
printf("ioctl(-1, DM_VERSION, {version=%u.%u.%u, "
"/* Unsupported device mapper ABI version */ ...}) = "
"-1 EBADF (%m)\n", 0xbadc0ded, 0xbadc0dee, 0xbadc0def);
/* Incorrect data_size */
init_s(dm_arg, 14, 64);
ioctl(-1, DM_VERSION, dm_arg);
printf("ioctl(-1, DM_VERSION, {version=4.1.2, data_size=14, "
"/* Incorrect data_size */ ...}) = -1 EBADF (%m)\n");
/* Unterminated name/uuid */
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
strncpy(dm_arg->name, str129, sizeof(dm_arg->name));
strncpy(dm_arg->uuid, str129, sizeof(dm_arg->uuid));
ioctl(-1, DM_VERSION, dm_arg);
printf("ioctl(-1, DM_VERSION, {version=4.1.2, data_size=%zu, "
"dev=makedev(18, 52), name=\"%.127s\", uuid=\"%.128s\", "
"flags=0}) = -1 EBADF (%m)\n",
min_sizeof_dm_ioctl, str129, str129);
/* Normal call */
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
ioctl(-1, DM_VERSION, dm_arg);
printf("ioctl(-1, DM_VERSION, "
"{version=4.1.2, data_size=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0}) = "
"-1 EBADF (%m)\n", min_sizeof_dm_ioctl);
/* Zero dev, name, uuid */
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
dm_arg->data_size = 0xfacefeed;
dm_arg->dev = 0;
dm_arg->name[0] = '\0';
dm_arg->uuid[0] = '\0';
ioctl(-1, DM_VERSION, dm_arg);
printf("ioctl(-1, DM_VERSION, "
"{version=4.1.2, data_size=%u, flags=0}) = "
"-1 EBADF (%m)\n", 0xfacefeed);
/* Flag */
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
dm_arg->flags = 0xffffffff;
ioctl(-1, DM_VERSION, dm_arg);
printf("ioctl(-1, DM_VERSION, "
"{version=4.1.2, data_size=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags="
"DM_READONLY_FLAG|DM_SUSPEND_FLAG|DM_EXISTS_FLAG|"
"DM_PERSISTENT_DEV_FLAG|DM_STATUS_TABLE_FLAG|"
"DM_ACTIVE_PRESENT_FLAG|DM_INACTIVE_PRESENT_FLAG|"
"DM_BUFFER_FULL_FLAG|DM_SKIP_BDGET_FLAG|DM_SKIP_LOCKFS_FLAG|"
"DM_NOFLUSH_FLAG|DM_QUERY_INACTIVE_TABLE_FLAG|"
"DM_UEVENT_GENERATED_FLAG|DM_UUID_FLAG|DM_SECURE_DATA_FLAG|"
"DM_DATA_OUT_FLAG|DM_DEFERRED_REMOVE|DM_INTERNAL_SUSPEND_FLAG|"
"0xfff80080}) = -1 EBADF (%m)\n",
min_sizeof_dm_ioctl);
/* Normal call */
init_s(&s.ioc, sizeof(s.ioc), 0);
ioctl(-1, DM_VERSION, &s);
printf("ioctl(-1, DM_VERSION, "
"{version=4.1.2, data_size=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0}) = "
"-1 EBADF (%m)\n", sizeof(s.ioc));
/* DM_REMOVE_ALL */
/* DM_LIST_DEVICES */
/* DM_LIST_VERSIONS */
for (i = 0; i < ARRAY_SIZE(dummy_check_cmds_nodev); i++) {
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
ioctl(-1, dummy_check_cmds_nodev[i].arg, dm_arg);
printf("ioctl(-1, %s, {version=4.1.2, data_size=%zu%s, "
"flags=0}) = -1 EBADF (%m)\n",
dummy_check_cmds_nodev[i].str,
min_sizeof_dm_ioctl,
dummy_check_cmds_nodev[i].has_params ?
", data_start=0" : "");
}
/* DM_DEV_CREATE */
/* DM_DEV_REMOVE */
/* DM_DEV_STATUS */
/* DM_DEV_WAIT */
/* DM_TABLE_CLEAR */
/* DM_TABLE_DEPS */
/* DM_TABLE_STATUS */
for (i = 0; i < ARRAY_SIZE(dummy_check_cmds); i++) {
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
ioctl(-1, dummy_check_cmds[i].arg, dm_arg);
printf("ioctl(-1, %s, {version=4.1.2, data_size=%zu%s, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\"%s, "
"flags=0}) = -1 EBADF (%m)\n",
dummy_check_cmds[i].str, min_sizeof_dm_ioctl,
dummy_check_cmds[i].has_params ? ", data_start=0" : "",
dummy_check_cmds[i].has_event_nr ? ", event_nr=0" : "");
}
/* DM_DEV_SUSPEND */
init_s(&s.ioc, sizeof(s.ioc), 0);
s.ioc.flags = DM_SUSPEND_FLAG;
s.ioc.event_nr = 0xbadc0ded;
ioctl(-1, DM_DEV_SUSPEND, &s);
printf("ioctl(-1, DM_DEV_SUSPEND, "
"{version=4.1.2, data_size=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
"flags=DM_SUSPEND_FLAG}) = -1 EBADF (%m)\n", sizeof(s.ioc));
init_s(&s.ioc, sizeof(s.ioc), 0);
s.ioc.event_nr = 0xbadc0ded;
ioctl(-1, DM_DEV_SUSPEND, &s);
printf("ioctl(-1, DM_DEV_SUSPEND, "
"{version=4.1.2, data_size=%zu, dev=makedev(18, 52), "
"name=\"nnn\", uuid=\"uuu\", event_nr=3134983661, "
"flags=0}) = -1 EBADF (%m)\n", sizeof(s.ioc));
/* DM_TABLE_LOAD */
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
s.ioc.target_count = 1;
s.u.ts.target_spec.sector_start = 0x10;
s.u.ts.target_spec.length = 0x20;
s.u.ts.target_spec.next =
sizeof(s.u.ts.target_spec) + sizeof(s.u.ts.target_params);
strcpy(s.u.ts.target_spec.target_type, "tgt");
strcpy(s.u.ts.target_params, "tparams");
ioctl(-1, DM_TABLE_LOAD, &s);
printf("ioctl(-1, DM_TABLE_LOAD, "
"{version=4.1.2, data_size=%u, data_start=%u, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
"target_count=1, flags=0, "
# if VERBOSE
"{sector_start=16, length=32, target_type=\"tgt\", "
"string=\"tparams\"}"
# else /* !VERBOSE */
"..."
# endif /* VERBOSE */
"}) = -1 EBADF (%m)\n", s.ioc.data_size, s.ioc.data_start);
/* No targets */
init_s(dm_arg, min_sizeof_dm_ioctl, min_sizeof_dm_ioctl);
dm_arg->data_size = sizeof(*dm_arg);
dm_arg->target_count = 0;
ioctl(-1, DM_TABLE_LOAD, dm_arg);
printf("ioctl(-1, DM_TABLE_LOAD, "
"{version=4.1.2, data_size=%zu, data_start=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
"target_count=0, flags=0}) = -1 EBADF (%m)\n",
sizeof(*dm_arg), min_sizeof_dm_ioctl);
/* Invalid data_start */
init_s(dm_arg, min_sizeof_dm_ioctl, 0xfffffff8);
dm_arg->data_size = sizeof(*dm_arg);
dm_arg->target_count = 1234;
ioctl(-1, DM_TABLE_LOAD, dm_arg);
printf("ioctl(-1, DM_TABLE_LOAD, "
"{version=4.1.2, data_size=%zu, data_start=%u, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
"target_count=1234, flags=0, "
# if VERBOSE
"/* misplaced struct dm_target_spec */ ..."
# else /* !VERBOSE */
"..."
# endif /* VERBOSE */
"}) = -1 EBADF (%m)\n", sizeof(*dm_arg), 0xfffffff8);
/* Inaccessible pointer */
init_s(&dm_arg_open1->ioc, offsetof(struct dm_table_open_test, target1),
offsetof(struct dm_table_open_test, target1));
dm_arg_open1->ioc.data_size = sizeof(*dm_arg_open1);
dm_arg_open1->ioc.target_count = 0xdeaddea1;
ioctl(-1, DM_TABLE_LOAD, dm_arg_open1);
printf("ioctl(-1, DM_TABLE_LOAD, "
"{version=4.1.2, data_size=%zu, data_start=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
"target_count=3735936673, flags=0, "
# if VERBOSE
"%p"
# else /* !VERBOSE */
"..."
# endif /* VERBOSE */
"}) = -1 EBADF (%m)\n", sizeof(*dm_arg_open1),
offsetof(struct dm_table_open_test, target1)
# if VERBOSE
, (char *) dm_arg_open1 +
offsetof(struct dm_table_open_test, target1)
# endif /* VERBOSE */
);
/* Inaccessible string */
init_s(&dm_arg_open2->ioc, offsetof(struct dm_table_open_test, param1),
offsetof(struct dm_table_open_test, target1));
dm_arg_open2->ioc.data_size = sizeof(*dm_arg_open2);
dm_arg_open2->ioc.target_count = 2;
init_dm_target_spec(&dm_arg_open2->target1, 7);
dm_arg_open2->target1.next =
offsetof(struct dm_table_open_test, target3) -
offsetof(struct dm_table_open_test, target1);
rc = ioctl(-1, DM_TABLE_LOAD, dm_arg_open2);
errstr = sprintrc(rc);
printf("ioctl(-1, DM_TABLE_LOAD, "
"{version=4.1.2, data_size=%zu, data_start=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
"target_count=2, flags=0, ",
sizeof(*dm_arg_open2),
offsetof(struct dm_table_open_test, target1));
# if VERBOSE
print_dm_target_spec(&dm_arg_open2->target1, 7);
printf("%p}, %p",
(char *) dm_arg_open2 +
offsetof(struct dm_table_open_test, param1),
(char *) dm_arg_open2 +
offsetof(struct dm_table_open_test, target3));
# else /* !VERBOSE */
printf("...");
# endif /* VERBOSE */
printf("}) = %s\n", errstr);
/* Incorrect next */
init_s(&dm_arg_open3->ioc, offsetof(struct dm_table_open_test, target5),
offsetof(struct dm_table_open_test, target0));
dm_arg_open3->ioc.target_count = 4;
init_dm_target_spec(&dm_arg_open3->target0, 9);
dm_arg_open3->target0.next =
offsetof(struct dm_table_open_test, target1) -
offsetof(struct dm_table_open_test, target0);
dm_arg_open3->param0[0] = '\0';
init_dm_target_spec(&dm_arg_open3->target1, 15);
dm_arg_open3->target1.next =
offsetof(struct dm_table_open_test, target3) -
offsetof(struct dm_table_open_test, target1);
dm_arg_open3->param1[0] = '\377';
dm_arg_open3->param1[1] = '\0';
init_dm_target_spec(&dm_arg_open3->target3, 42);
dm_arg_open3->target3.next = 0xdeadbeef;
dm_arg_open3->param3[0] = '\1';
dm_arg_open3->param3[1] = '\2';
dm_arg_open3->param3[2] = '\0';
rc = ioctl(-1, DM_TABLE_LOAD, dm_arg_open3);
errstr = sprintrc(rc);
printf("ioctl(-1, DM_TABLE_LOAD, "
"{version=4.1.2, data_size=%zu, data_start=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
"target_count=4, flags=0, ",
offsetof(struct dm_table_open_test, target5),
offsetof(struct dm_table_open_test, target0));
# if VERBOSE
print_dm_target_spec(&dm_arg_open3->target0, 9);
printf("\"\"}, ");
print_dm_target_spec(&dm_arg_open3->target1, 15);
printf("\"\\377\"}, ");
print_dm_target_spec(&dm_arg_open3->target1, 42);
printf("\"\\1\\2\"}, /* misplaced struct dm_target_spec */ ...");
# else /* !VERBOSE */
printf("...");
# endif /* VERBOSE */
printf("}) = %s\n", errstr);
#define FILL_DM_TARGET(id, id_next) \
do { \
init_dm_target_spec(&dm_arg_open3->target##id, id); \
dm_arg_open3->target##id.next = \
offsetof(struct dm_table_open_test, \
target##id_next) - \
offsetof(struct dm_table_open_test, \
target##id); \
strncpy(dm_arg_open3->param##id, str129 + id * 2, id); \
dm_arg_open3->param##id[id] = '\0'; \
} while (0)
#define PRINT_DM_TARGET(id) \
do { \
print_dm_target_spec(&dm_arg_open3->target##id, id); \
printf("\"%.*s\"}, ", id, str129 + id * 2); \
} while (0)
/* max_strlen limit */
init_s(&dm_arg_open3->ioc, offsetof(struct dm_table_open_test, target9),
offsetof(struct dm_table_open_test, target0));
dm_arg_open3->ioc.data_size = sizeof(*dm_arg_open3);
dm_arg_open3->ioc.target_count = 0xbadc0ded;
FILL_DM_TARGET(0, 1);
FILL_DM_TARGET(1, 2);
FILL_DM_TARGET(2, 3);
FILL_DM_TARGET(3, 4);
FILL_DM_TARGET(4, 5);
FILL_DM_TARGET(5, 6);
FILL_DM_TARGET(6, 7);
FILL_DM_TARGET(7, 8);
FILL_DM_TARGET(8, 9);
rc = ioctl(-1, DM_TABLE_LOAD, dm_arg_open3);
errstr = sprintrc(rc);
printf("ioctl(-1, DM_TABLE_LOAD, "
"{version=4.1.2, data_size=%zu, data_start=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
"target_count=3134983661, flags=0, ",
sizeof(*dm_arg_open3),
offsetof(struct dm_table_open_test, target0));
# if VERBOSE
PRINT_DM_TARGET(0);
PRINT_DM_TARGET(1);
PRINT_DM_TARGET(2);
PRINT_DM_TARGET(3);
PRINT_DM_TARGET(4);
PRINT_DM_TARGET(5);
PRINT_DM_TARGET(6);
PRINT_DM_TARGET(7);
PRINT_DM_TARGET(8);
# endif /* VERBOSE */
printf("...}) = %s\n", errstr);
/* DM_TARGET_MSG */
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
s.u.tm.target_msg.sector = 0x1234;
strcpy(s.u.string + offsetof(struct dm_target_msg, message),
"long target msg");
ioctl(-1, DM_TARGET_MSG, &s);
printf("ioctl(-1, DM_TARGET_MSG, "
"{version=4.1.2, data_size=%u, data_start=%u, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
# if VERBOSE
"{sector=4660, message=\"long targ\"...}"
# else /* !VERBOSE */
"..."
# endif /* VERBOSE */
"}) = -1 EBADF (%m)\n",
s.ioc.data_size, s.ioc.data_start);
/* Invalid data_start */
init_s(dm_arg, min_sizeof_dm_ioctl, min_sizeof_dm_ioctl);
dm_arg->data_size = sizeof(*dm_arg);
ioctl(-1, DM_TARGET_MSG, dm_arg);
printf("ioctl(-1, DM_TARGET_MSG, "
"{version=4.1.2, data_size=%zu, data_start=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
# if VERBOSE
"/* misplaced struct dm_target_msg */"
# else /* !VERBOSE */
"..."
# endif /* VERBOSE */
"}) = -1 EBADF (%m)\n",
sizeof(*dm_arg), min_sizeof_dm_ioctl);
/* Invalid data_start */
init_s(dm_arg, min_sizeof_dm_ioctl, 0xffffffff);
dm_arg->data_size = sizeof(*dm_arg);
ioctl(-1, DM_TARGET_MSG, dm_arg);
printf("ioctl(-1, DM_TARGET_MSG, "
"{version=4.1.2, data_size=%zu, data_start=%u, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
# if VERBOSE
"/* misplaced struct dm_target_msg */"
# else /* !VERBOSE */
"..."
# endif /* VERBOSE */
"}) = -1 EBADF (%m)\n",
sizeof(*dm_arg), 0xffffffff);
/* Inaccessible pointer */
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
dm_arg->data_size = sizeof(*dm_arg) + sizeof(struct dm_target_msg);
dm_arg->data_start = sizeof(*dm_arg);
ioctl(-1, DM_TARGET_MSG, dm_arg);
printf("ioctl(-1, DM_TARGET_MSG, "
"{version=4.1.2, data_size=%zu, data_start=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
# if VERBOSE
"%p"
# else /* !VERBOSE */
"..."
# endif /* VERBOSE */
"}) = -1 EBADF (%m)\n",
sizeof(*dm_arg) + sizeof(struct dm_target_msg),
sizeof(*dm_arg)
# if VERBOSE
, (char *) dm_arg + sizeof(*dm_arg)
# endif /* VERBOSE */
);
/* Inaccessible string */
init_s(&dm_arg_msg->ioc, sizeof(*dm_arg_msg),
offsetof(struct dm_target_msg_test, msg));
dm_arg_msg->ioc.data_size = sizeof(*dm_arg_msg) + 1;
dm_arg_msg->msg.sector = (__u64) 0xdeadbeeffacef157ULL;
rc = ioctl(-1, DM_TARGET_MSG, dm_arg_msg);
errstr = sprintrc(rc);
printf("ioctl(-1, DM_TARGET_MSG, "
"{version=4.1.2, data_size=%zu, data_start=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, ",
sizeof(*dm_arg_msg) + 1,
offsetof(struct dm_target_msg_test, msg));
# if VERBOSE
printf("{sector=%" PRI__u64 ", message=%p}",
(__u64) 0xdeadbeeffacef157ULL,
(char *) dm_arg_msg +
offsetof(struct dm_target_msg_test, msg.message));
# else /* !VERBOSE */
printf("...");
# endif /* VERBOSE */
printf("}) = %s\n", errstr);
/* Zero-sied string */
init_s(&dm_arg_msg->ioc, sizeof(*dm_arg_msg),
offsetof(struct dm_target_msg_test, msg));
dm_arg_msg->msg.sector = (__u64) 0xdeadbeeffacef157ULL;
rc = ioctl(-1, DM_TARGET_MSG, dm_arg_msg);
errstr = sprintrc(rc);
printf("ioctl(-1, DM_TARGET_MSG, "
"{version=4.1.2, data_size=%zu, data_start=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, ",
sizeof(*dm_arg_msg), offsetof(struct dm_target_msg_test, msg));
# if VERBOSE
printf("{sector=%" PRI__u64 ", message=\"\"}",
(__u64) 0xdeadbeeffacef157ULL);
# else /* !VERBOSE */
printf("...");
# endif /* VERBOSE */
printf("}) = %s\n", errstr);
/* DM_DEV_SET_GEOMETRY */
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
strcpy(s.u.string, "10 20 30 40");
ioctl(-1, DM_DEV_SET_GEOMETRY, &s);
printf("ioctl(-1, DM_DEV_SET_GEOMETRY, "
"{version=4.1.2, data_size=%u, data_start=%u, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
# if VERBOSE
"string=\"10 20 30 \"..."
# else /* !VERBOSE */
"..."
# endif /* VERBOSE */
"}) = -1 EBADF (%m)\n",
s.ioc.data_size, s.ioc.data_start);
/* DM_DEV_RENAME */
/* Inaccessible data */
init_s(dm_arg, min_sizeof_dm_ioctl, min_sizeof_dm_ioctl);
dm_arg->data_size = sizeof(*dm_arg);
memcpy(unaligned_dm_arg, dm_arg, offsetof(struct dm_ioctl, data));
ioctl(-1, DM_DEV_RENAME, unaligned_dm_arg);
printf("ioctl(-1, DM_DEV_RENAME, "
"{version=4.1.2, data_size=%zu, data_start=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
"flags=0, "
# if VERBOSE
"string=%p"
# else /* !VERBOSE */
"..."
# endif /* VERBOSE */
"}) = -1 EBADF (%m)\n",
sizeof(*unaligned_dm_arg), min_sizeof_dm_ioctl
# if VERBOSE
, (char *) unaligned_dm_arg + min_sizeof_dm_ioctl
# endif /* VERBOSE */
);
/* Incorrect data_start data */
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
s.ioc.data_start = 0xdeadbeef;
ioctl(-1, DM_DEV_RENAME, &s);
printf("ioctl(-1, DM_DEV_RENAME, "
"{version=4.1.2, data_size=%u, data_start=3735928559, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
"flags=0, "
# if VERBOSE
"/* misplaced string */"
# else /* !VERBOSE */
"..."
# endif /* VERBOSE */
"}) = -1 EBADF (%m)\n",
s.ioc.data_size);
/* Strange but still valid data_start */
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
/* Curiously, this is a valid structure */
s.ioc.data_start = offsetof(struct dm_ioctl, name) + 1;
ioctl(-1, DM_DEV_RENAME, &s);
printf("ioctl(-1, DM_DEV_RENAME, "
"{version=4.1.2, data_size=%u, data_start=%zu, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
"flags=0, "
# if VERBOSE
"string=\"nn\""
# else /* !VERBOSE */
"..."
# endif /* VERBOSE */
"}) = -1 EBADF (%m)\n",
s.ioc.data_size,
offsetof(struct dm_ioctl, name) + 1);
/* Correct data */
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
strcpy(s.u.string, "new long name");
ioctl(-1, DM_DEV_RENAME, &s);
printf("ioctl(-1, DM_DEV_RENAME, "
"{version=4.1.2, data_size=%u, data_start=%u, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
"flags=0, "
# if VERBOSE
"string=\"new long \"..."
# else /* !VERBOSE */
"..."
# endif /* VERBOSE */
"}) = -1 EBADF (%m)\n",
s.ioc.data_size, s.ioc.data_start);
/* DM_TABLE_LOAD */
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
s.ioc.target_count = -1U;
ioctl(-1, DM_TABLE_LOAD, &s);
printf("ioctl(-1, DM_TABLE_LOAD, "
"{version=4.1.2, data_size=%u, data_start=%u, "
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
"target_count=4294967295, flags=0, "
# if VERBOSE
"{sector_start=0, length=0, target_type=\"\", string=\"\"}, "
"/* misplaced struct dm_target_spec */ "
# endif /* VERBOSE */
"...}) = -1 EBADF (%m)\n",
s.ioc.data_size, s.ioc.data_start);
puts("+++ exited with 0 +++");
return 0;
}
#else /* !HAVE_LINUX_DM_IOCTL_H */
SKIP_MAIN_UNDEFINED("HAVE_LINUX_DM_IOCTL_H")
#endif /* HAVE_LINUX_DM_IOCTL_H */