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365 lines
11 KiB
365 lines
11 KiB
/*
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* Check decoding of quotactl xfs subcommands.
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*
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* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2016-2018 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 <asm/unistd.h>
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#if defined(__NR_quotactl) && \
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(defined(HAVE_LINUX_QUOTA_H) || defined(HAVE_SYS_QUOTA_H)) && \
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defined(HAVE_LINUX_DQBLK_XFS_H)
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# include <stdio.h>
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# include <string.h>
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# include <unistd.h>
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# include <linux/dqblk_xfs.h>
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# include "quotactl.h"
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# ifndef Q_GETNEXTQUOTA
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# define Q_XGETNEXTQUOTA XQM_CMD(0x9)
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# endif /* !Q_GETNEXTQUOTA */
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# ifndef Q_XGETQSTATV
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# define Q_XGETQSTATV XQM_CMD(8)
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# define FS_QSTATV_VERSION1 1
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struct fs_qfilestatv {
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uint64_t qfs_ino; /* inode number */
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uint64_t qfs_nblks; /* number of BBs 512-byte-blks */
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uint32_t qfs_nextents; /* number of extents */
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uint32_t qfs_pad; /* pad for 8-byte alignment */
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};
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struct fs_quota_statv {
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int8_t qs_version; /* version for future changes */
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uint8_t qs_pad1; /* pad for 16bit alignment */
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uint16_t qs_flags; /* XFS_QUOTA_.* flags */
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uint32_t qs_incoredqs; /* number of dquots incore */
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struct fs_qfilestatv qs_uquota; /* user quota information */
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struct fs_qfilestatv qs_gquota; /* group quota information */
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struct fs_qfilestatv qs_pquota; /* project quota information */
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int32_t qs_btimelimit; /* limit for blks timer */
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int32_t qs_itimelimit; /* limit for inodes timer */
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int32_t qs_rtbtimelimit; /* limit for rt blks timer */
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uint16_t qs_bwarnlimit; /* limit for num warnings */
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uint16_t qs_iwarnlimit; /* limit for num warnings */
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uint64_t qs_pad2[8]; /* for future proofing */
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};
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# endif /* !Q_XGETQSTATV */
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# include "xlat.h"
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# include "xlat/xfs_dqblk_flags.h"
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# if VERBOSE
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# include "xlat/xfs_quota_flags.h"
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# endif
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void
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print_xdisk_quota(int rc, void *ptr, void *arg)
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{
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struct fs_disk_quota *dq = ptr;
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long out_arg = (long) arg;
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if (((rc < 0) && out_arg) || (out_arg > 1)) {
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printf("%p", dq);
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return;
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}
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PRINT_FIELD_D("{", *dq, d_version);
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printf(", d_flags=");
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printflags(xfs_dqblk_flags, (uint8_t) dq->d_flags, "XFS_???_QUOTA");
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PRINT_FIELD_X(", ", *dq, d_fieldmask);
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PRINT_FIELD_U(", ", *dq, d_id);
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PRINT_FIELD_U(", ", *dq, d_blk_hardlimit);
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PRINT_FIELD_U(", ", *dq, d_blk_softlimit);
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PRINT_FIELD_U(", ", *dq, d_ino_hardlimit);
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PRINT_FIELD_U(", ", *dq, d_ino_softlimit);
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PRINT_FIELD_U(", ", *dq, d_bcount);
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PRINT_FIELD_U(", ", *dq, d_icount);
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# if VERBOSE
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PRINT_FIELD_D(", ", *dq, d_itimer);
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PRINT_FIELD_D(", ", *dq, d_btimer);
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PRINT_FIELD_U(", ", *dq, d_iwarns);
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PRINT_FIELD_U(", ", *dq, d_bwarns);
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PRINT_FIELD_U(", ", *dq, d_rtb_hardlimit);
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PRINT_FIELD_U(", ", *dq, d_rtb_softlimit);
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PRINT_FIELD_U(", ", *dq, d_rtbcount);
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PRINT_FIELD_D(", ", *dq, d_rtbtimer);
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PRINT_FIELD_U(", ", *dq, d_rtbwarns);
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# else
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printf(", ...");
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# endif /* !VERBOSE */
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printf("}");
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}
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void
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print_xquota_stat(int rc, void *ptr, void *arg)
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{
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struct fs_quota_stat *qs = ptr;
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long out_arg = (long) arg;
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if (((rc < 0) && out_arg) || (out_arg > 1)) {
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printf("%p", qs);
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return;
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}
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PRINT_FIELD_D("{", *qs, qs_version);
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# if VERBOSE
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printf(", qs_flags=");
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printflags(xfs_quota_flags, qs->qs_flags, "XFS_QUOTA_???");
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PRINT_FIELD_U(", qs_uquota={", qs->qs_uquota, qfs_ino);
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PRINT_FIELD_U(", ", qs->qs_uquota, qfs_nblks);
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PRINT_FIELD_U(", ", qs->qs_uquota, qfs_nextents);
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PRINT_FIELD_U("}, qs_gquota={", qs->qs_gquota, qfs_ino);
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PRINT_FIELD_U(", ", qs->qs_gquota, qfs_nblks);
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PRINT_FIELD_U(", ", qs->qs_gquota, qfs_nextents);
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PRINT_FIELD_U("}, ", *qs, qs_incoredqs);
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PRINT_FIELD_D(", ", *qs, qs_btimelimit);
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PRINT_FIELD_D(", ", *qs, qs_itimelimit);
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PRINT_FIELD_D(", ", *qs, qs_rtbtimelimit);
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PRINT_FIELD_U(", ", *qs, qs_bwarnlimit);
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PRINT_FIELD_U(", ", *qs, qs_iwarnlimit);
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# else
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printf(", ...");
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# endif /* !VERBOSE */
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printf("}");
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}
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void
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print_xquota_statv(int rc, void *ptr, void *arg)
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{
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struct fs_quota_statv *qs = ptr;
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long out_arg = (long) arg;
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if (((rc < 0) && out_arg) || (out_arg > 1)) {
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printf("%p", qs);
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return;
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}
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PRINT_FIELD_D("{", *qs, qs_version);
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# if VERBOSE
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printf(", qs_flags=");
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printflags(xfs_quota_flags, qs->qs_flags, "XFS_QUOTA_???");
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PRINT_FIELD_U(", ", *qs, qs_incoredqs);
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PRINT_FIELD_U(", qs_uquota={", qs->qs_uquota, qfs_ino);
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PRINT_FIELD_U(", ", qs->qs_uquota, qfs_nblks);
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PRINT_FIELD_U(", ", qs->qs_uquota, qfs_nextents);
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PRINT_FIELD_U("}, qs_gquota={", qs->qs_gquota, qfs_ino);
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PRINT_FIELD_U(", ", qs->qs_gquota, qfs_nblks);
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PRINT_FIELD_U(", ", qs->qs_gquota, qfs_nextents);
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PRINT_FIELD_U("}, qs_pquota={", qs->qs_pquota, qfs_ino);
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PRINT_FIELD_U(", ", qs->qs_pquota, qfs_nblks);
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PRINT_FIELD_U(", ", qs->qs_pquota, qfs_nextents);
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PRINT_FIELD_D("}, ", *qs, qs_btimelimit);
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PRINT_FIELD_D(", ", *qs, qs_itimelimit);
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PRINT_FIELD_D(", ", *qs, qs_rtbtimelimit);
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PRINT_FIELD_U(", ", *qs, qs_bwarnlimit);
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PRINT_FIELD_U(", ", *qs, qs_iwarnlimit);
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# else
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printf(", ...");
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# endif /* !VERBOSE */
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printf("}");
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}
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int
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main(void)
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{
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char *bogus_special = (char *) tail_alloc(1) + 1;
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void *bogus_addr = (char *) tail_alloc(1) + 1;
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char bogus_special_str[sizeof(void *) * 2 + sizeof("0x")];
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char bogus_addr_str[sizeof(void *) * 2 + sizeof("0x")];
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char unterminated_str[sizeof(void *) * 2 + sizeof("0x")];
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static char invalid_cmd_str[1024];
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TAIL_ALLOC_OBJECT_CONST_PTR(struct fs_disk_quota, xdq);
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TAIL_ALLOC_OBJECT_CONST_PTR(struct fs_quota_stat, xqstat);
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TAIL_ALLOC_OBJECT_CONST_PTR(struct fs_quota_statv, xqstatv);
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TAIL_ALLOC_OBJECT_CONST_PTR(uint32_t, flags);
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char *unterminated = tail_memdup(unterminated_data,
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sizeof(unterminated_data));
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snprintf(bogus_special_str, sizeof(bogus_special_str), "%p",
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bogus_special);
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snprintf(bogus_addr_str, sizeof(bogus_addr_str), "%p",
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bogus_addr);
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snprintf(unterminated_str, sizeof(unterminated_str), "%p",
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unterminated);
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/* Q_XQUOTAON */
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*flags = 0xdeadbeef;
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check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
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ARG_STR(QCMD(Q_XQUOTAON, USRQUOTA)),
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ARG_STR("/dev/bogus/"), flags,
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"[XFS_QUOTA_UDQ_ACCT|XFS_QUOTA_UDQ_ENFD"
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"|XFS_QUOTA_GDQ_ACCT|XFS_QUOTA_GDQ_ENFD"
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"|XFS_QUOTA_PDQ_ENFD|0xdeadbec0]");
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snprintf(invalid_cmd_str, sizeof(invalid_cmd_str),
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"QCMD(Q_XQUOTAON, %#x /* ???QUOTA */)",
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QCMD_TYPE(QCMD(Q_XQUOTAON, 0xfacefeed)));
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check_quota(CQF_ID_SKIP,
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QCMD(Q_XQUOTAON, 0xfacefeed), invalid_cmd_str,
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bogus_dev, bogus_dev_str, bogus_addr);
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/* Q_XQUOTAOFF */
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check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
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ARG_STR(QCMD(Q_XQUOTAOFF, USRQUOTA)),
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bogus_special, bogus_special_str,
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bogus_addr, bogus_addr_str);
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check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
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ARG_STR(QCMD(Q_XQUOTAOFF, GRPQUOTA)),
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ARG_STR("/dev/bogus/"),
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ARG_STR(NULL));
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check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
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QCMD(Q_XQUOTAOFF, 3),
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"QCMD(Q_XQUOTAOFF, 0x3 /* ???QUOTA */)",
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ARG_STR("/dev/bogus/"), flags,
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"[XFS_QUOTA_UDQ_ACCT|XFS_QUOTA_UDQ_ENFD"
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"|XFS_QUOTA_GDQ_ACCT|XFS_QUOTA_GDQ_ENFD"
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"|XFS_QUOTA_PDQ_ENFD|0xdeadbec0]");
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/* Q_XGETQUOTA */
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/* Trying our best to get successful result */
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check_quota(CQF_ADDR_CB, ARG_STR(QCMD(Q_XGETQUOTA, USRQUOTA)),
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ARG_STR("/dev/sda1"), getuid(), xdq, print_xdisk_quota,
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(intptr_t) 1);
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check_quota(CQF_ADDR_CB, ARG_STR(QCMD(Q_XGETQUOTA, GRPQUOTA)),
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ARG_STR(NULL), -1, xdq, print_xdisk_quota, (intptr_t) 1);
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/* Q_XGETNEXTQUOTA */
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check_quota(CQF_ADDR_CB, ARG_STR(QCMD(Q_XGETNEXTQUOTA, USRQUOTA)),
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ARG_STR("/dev/sda1"), 0, xdq, print_xdisk_quota,
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(intptr_t) 1);
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/* Q_XSETQLIM */
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check_quota(CQF_NONE, ARG_STR(QCMD(Q_XSETQLIM, PRJQUOTA)),
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bogus_special, bogus_special_str, 0, bogus_addr);
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fill_memory_ex(xdq, sizeof(*xdq), 0x8e, 0x80);
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check_quota(CQF_ADDR_CB, ARG_STR(QCMD(Q_XSETQLIM, PRJQUOTA)),
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bogus_dev, bogus_dev_str, 3141592653U,
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xdq, print_xdisk_quota, (intptr_t) 0);
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/* Q_XGETQSTAT */
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check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
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ARG_STR(QCMD(Q_XGETQSTAT, USRQUOTA)),
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ARG_STR("/dev/sda1"), xqstat, print_xquota_stat, (intptr_t) 1);
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check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
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ARG_STR(QCMD(Q_XGETQSTAT, USRQUOTA)),
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ARG_STR("NULL"), xqstat, print_xquota_stat, (intptr_t) 1);
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check_quota(CQF_ID_SKIP,
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ARG_STR(QCMD(Q_XGETQSTAT, PRJQUOTA)),
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unterminated, unterminated_str,
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xqstat + 1);
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/* Q_XGETQSTATV */
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check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
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ARG_STR(QCMD(Q_XGETQSTATV, USRQUOTA)),
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ARG_STR("/dev/sda1"), xqstatv, print_xquota_statv, (intptr_t) 1);
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check_quota(CQF_ID_SKIP | CQF_ADDR_CB,
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ARG_STR(QCMD(Q_XGETQSTATV, GRPQUOTA)),
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ARG_STR(NULL), xqstatv, print_xquota_statv, (intptr_t) 1);
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check_quota(CQF_ID_SKIP,
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ARG_STR(QCMD(Q_XGETQSTATV, PRJQUOTA)),
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unterminated, unterminated_str,
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xqstatv + 1);
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/* Q_XQUOTARM */
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check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
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ARG_STR(QCMD(Q_XQUOTARM, PRJQUOTA)),
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bogus_special, bogus_special_str, ARG_STR(NULL));
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check_quota(CQF_ID_SKIP,
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ARG_STR(QCMD(Q_XQUOTARM, USRQUOTA)),
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unterminated, unterminated_str, flags + 1);
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*flags = 0xdeadbeef;
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check_quota(CQF_ID_SKIP | CQF_ADDR_STR,
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ARG_STR(QCMD(Q_XQUOTARM, GRPQUOTA)),
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ARG_STR(NULL), flags,
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"[XFS_USER_QUOTA|XFS_PROJ_QUOTA"
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"|XFS_GROUP_QUOTA|0xdeadbee8]");
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/* Q_XQUOTASYNC */
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check_quota(CQF_ID_SKIP | CQF_ADDR_SKIP,
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ARG_STR(QCMD(Q_XQUOTASYNC, USRQUOTA)),
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bogus_special, bogus_special_str);
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check_quota(CQF_ID_SKIP | CQF_ADDR_SKIP,
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QCMD(Q_XQUOTASYNC, 0xfff),
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"QCMD(Q_XQUOTASYNC, 0xff /* ???QUOTA */)",
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ARG_STR(NULL));
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_quotactl && "
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"(HAVE_LINUX_QUOTA_H || HAVE_SYS_QUOTA_H) && "
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"HAVE_LINUX_DQBLK_XFS_H");
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#endif
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