Dmitry V. Levin
de484eced5
In many places where kernel expects a NUL-terminated string of length up to a known fixed limit, e.g. when a NUL-terminated string is a fixed-size field of a structure, strace does not print the last byte assuming it is NUL, which is not always the case. Change output format for such strings to distinguish NUL-terminated strings from non-NUL-terminated ones: append ellipsis to the output when the string is not NUL-terminated. * defs.h (print_quoted_cstring): New prototype. * util.c (print_quoted_cstring): New function. (printpathn): Use it instead of print_quoted_string with QUOTE_0_TERMINATED argument. * print_fields.h (PRINT_FIELD_CSTRING): Likewise. * btrfs.c (btrfs_ioctl): Likewise. * dirent.c (SYS_FUNC(getdents)): Likewise. * dirent64.c (SYS_FUNC(getdents64)): Likewise. * print_ifindex.c (print_ifindex): Likewise. * sysmips.c (SYS_FUNC(sysmips)): Likewise. * ubi.c (ubi_ioctl): Likewise. * tests/tests.h (print_quoted_cstring): New prototype. * tests/print_quoted_string.c (print_quoted_cstring): New function. * tests/ioctl_block.c (main): Update expected output. * tests/ioctl_dm.c (main): Likewise. * tests/ioctl_loop.c (print_loop_info, print_loop_info64): Likewise. * tests/netlink_crypto.c (test_crypto_msg_newalg): Likewise.
207 lines
6.3 KiB
C
207 lines
6.3 KiB
C
/*
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* This file is part of ioctl_block strace test.
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*
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2016-2017 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <errno.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <linux/fs.h>
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#include <linux/blkpg.h>
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#ifdef HAVE_STRUCT_BLK_USER_TRACE_SETUP
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# include <linux/blktrace_api.h>
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#endif
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#include "xlat.h"
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static const unsigned int magic = 0xdeadbeef;
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static const unsigned long lmagic = (unsigned long) 0xdeadbeefbadc0dedULL;
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static struct xlat block_argless[] = {
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XLAT(BLKRRPART),
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XLAT(BLKFLSBUF),
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#ifdef BLKTRACESTART
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XLAT(BLKTRACESTART),
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#endif
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#ifdef BLKTRACESTOP
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XLAT(BLKTRACESTOP),
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#endif
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#ifdef BLKTRACETEARDOWN
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XLAT(BLKTRACETEARDOWN),
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#endif
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};
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#define TEST_NULL_ARG(cmd) \
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do { \
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ioctl(-1, cmd, 0); \
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printf("ioctl(-1, %s, NULL) = -1 EBADF (%m)\n", #cmd); \
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} while (0)
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int
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main(void)
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{
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TEST_NULL_ARG(BLKBSZGET);
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TEST_NULL_ARG(BLKBSZSET);
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TEST_NULL_ARG(BLKFRAGET);
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TEST_NULL_ARG(BLKGETSIZE);
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TEST_NULL_ARG(BLKGETSIZE64);
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TEST_NULL_ARG(BLKPG);
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TEST_NULL_ARG(BLKRAGET);
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TEST_NULL_ARG(BLKROGET);
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TEST_NULL_ARG(BLKROSET);
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TEST_NULL_ARG(BLKSECTGET);
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TEST_NULL_ARG(BLKSECTGET);
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TEST_NULL_ARG(BLKSSZGET);
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#ifdef BLKALIGNOFF
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TEST_NULL_ARG(BLKALIGNOFF);
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#endif
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#ifdef BLKDISCARD
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TEST_NULL_ARG(BLKDISCARD);
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#endif
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#ifdef BLKDISCARDZEROES
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TEST_NULL_ARG(BLKDISCARDZEROES);
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#endif
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#ifdef BLKIOMIN
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TEST_NULL_ARG(BLKIOMIN);
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#endif
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#ifdef BLKIOOPT
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TEST_NULL_ARG(BLKIOOPT);
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#endif
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#ifdef BLKPBSZGET
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TEST_NULL_ARG(BLKPBSZGET);
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#endif
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#ifdef BLKROTATIONAL
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TEST_NULL_ARG(BLKROTATIONAL);
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#endif
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#ifdef BLKSECDISCARD
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TEST_NULL_ARG(BLKSECDISCARD);
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#endif
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#ifdef BLKZEROOUT
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TEST_NULL_ARG(BLKZEROOUT);
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#endif
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#if defined BLKTRACESETUP && defined HAVE_STRUCT_BLK_USER_TRACE_SETUP
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TEST_NULL_ARG(BLKTRACESETUP);
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#endif
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ioctl(-1, BLKRASET, lmagic);
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printf("ioctl(-1, BLKRASET, %lu) = -1 EBADF (%m)\n", lmagic);
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ioctl(-1, BLKFRASET, lmagic);
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printf("ioctl(-1, BLKFRASET, %lu) = -1 EBADF (%m)\n", lmagic);
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TAIL_ALLOC_OBJECT_CONST_PTR(int, val_int);
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*val_int = magic;
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ioctl(-1, BLKROSET, val_int);
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printf("ioctl(-1, BLKROSET, [%d]) = -1 EBADF (%m)\n", *val_int);
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ioctl(-1, BLKBSZSET, val_int);
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printf("ioctl(-1, BLKBSZSET, [%d]) = -1 EBADF (%m)\n", *val_int);
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uint64_t *pair_int64 = tail_alloc(sizeof(*pair_int64) * 2);
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pair_int64[0] = 0xdeadbeefbadc0dedULL;
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pair_int64[1] = 0xfacefeedcafef00dULL;
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#ifdef BLKDISCARD
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ioctl(-1, BLKDISCARD, pair_int64);
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printf("ioctl(-1, BLKDISCARD, [%" PRIu64 ", %" PRIu64 "])"
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" = -1 EBADF (%m)\n", pair_int64[0], pair_int64[1]);
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#endif
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#ifdef BLKSECDISCARD
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ioctl(-1, BLKSECDISCARD, pair_int64);
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printf("ioctl(-1, BLKSECDISCARD, [%" PRIu64 ", %" PRIu64 "])"
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" = -1 EBADF (%m)\n", pair_int64[0], pair_int64[1]);
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#endif
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#ifdef BLKZEROOUT
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ioctl(-1, BLKZEROOUT, pair_int64);
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printf("ioctl(-1, BLKZEROOUT, [%" PRIu64 ", %" PRIu64 "])"
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" = -1 EBADF (%m)\n", pair_int64[0], pair_int64[1]);
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#endif
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TAIL_ALLOC_OBJECT_CONST_PTR(struct blkpg_ioctl_arg, blkpg);
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blkpg->op = 3;
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blkpg->flags = 0xdeadbeef;
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blkpg->datalen = 0xbadc0ded;
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blkpg->data = (void *) (unsigned long) 0xcafef00dfffffeedULL;
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ioctl(-1, BLKPG, blkpg);
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printf("ioctl(-1, BLKPG, {op=%s, flags=%d, datalen=%d"
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", data=%#lx}) = -1 EBADF (%m)\n",
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"BLKPG_RESIZE_PARTITION", blkpg->flags, blkpg->datalen,
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(unsigned long) blkpg->data);
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TAIL_ALLOC_OBJECT_CONST_PTR(struct blkpg_partition, bp);
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bp->start = 0xfac1fed2dad3bef4ULL;
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bp->length = 0xfac5fed6dad7bef8ULL;
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bp->pno = magic;
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memset(bp->devname, 'A', sizeof(bp->devname));
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memset(bp->volname, 'B', sizeof(bp->volname));
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blkpg->op = 1;
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blkpg->data = bp;
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ioctl(-1, BLKPG, blkpg);
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printf("ioctl(-1, BLKPG, {op=%s, flags=%d, datalen=%d"
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", data={start=%lld, length=%lld, pno=%d"
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", devname=\"%.*s\"..., volname=\"%.*s\"...}})"
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" = -1 EBADF (%m)\n",
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"BLKPG_ADD_PARTITION",
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blkpg->flags, blkpg->datalen,
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bp->start, bp->length, bp->pno,
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(int) sizeof(bp->devname) - 1, bp->devname,
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(int) sizeof(bp->volname) - 1, bp->volname);
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#if defined BLKTRACESETUP && defined HAVE_STRUCT_BLK_USER_TRACE_SETUP
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TAIL_ALLOC_OBJECT_CONST_PTR(struct blk_user_trace_setup, buts);
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fill_memory(buts, sizeof(*buts));
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ioctl(-1, BLKTRACESETUP, buts);
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printf("ioctl(-1, BLKTRACESETUP, {act_mask=%hu, buf_size=%u, buf_nr=%u"
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", start_lba=%" PRI__u64 ", end_lba=%" PRI__u64 ", pid=%u})"
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" = -1 EBADF (%m)\n",
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buts->act_mask, buts->buf_size, buts->buf_nr,
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buts->start_lba, buts->end_lba, buts->pid);
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#endif
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(block_argless); ++i) {
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ioctl(-1, (unsigned long) block_argless[i].val, lmagic);
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printf("ioctl(-1, %s) = -1 EBADF (%m)\n", block_argless[i].str);
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}
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ioctl(-1, _IOC(_IOC_READ, 0x12, 0xfe, 0xff), lmagic);
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printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
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"_IOC(_IOC_READ, 0x12, 0xfe, 0xff)", lmagic);
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puts("+++ exited with 0 +++");
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return 0;
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}
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