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440 lines
12 KiB
440 lines
12 KiB
/*
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* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
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* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
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* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
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* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
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* Copyright (c) 2005-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2006-2018 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 "defs.h"
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#include "print_fields.h"
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#include "xfs_quota_stat.h"
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#define SUBCMDMASK 0x00ff
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#define SUBCMDSHIFT 8
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#define QCMD_CMD(cmd) ((uint32_t)(cmd) >> SUBCMDSHIFT)
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#define QCMD_TYPE(cmd) ((uint32_t)(cmd) & SUBCMDMASK)
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#define OLD_CMD(cmd) ((uint32_t)(cmd) << SUBCMDSHIFT)
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#define NEW_CMD(cmd) ((uint32_t)(cmd) | 0x800000)
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#define XQM_CMD(cmd) ((uint32_t)(cmd) | ('X' << SUBCMDSHIFT))
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#include "xlat/quotacmds.h"
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#include "xlat/quotatypes.h"
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#include "xlat/quota_formats.h"
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#include "xlat/xfs_quota_flags.h"
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#include "xlat/xfs_dqblk_flags.h"
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#include "xlat/if_dqblk_valid.h"
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#include "xlat/if_dqinfo_flags.h"
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#include "xlat/if_dqinfo_valid.h"
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/*
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* We add attribute packed due to the fact that the structure is 8-byte aligned
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* on 64-bit systems and therefore has additional 4 bytes of padding, which
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* leads to problems when it is used on 32-bit tracee which does not have such
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* padding.
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*/
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struct if_dqblk {
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uint64_t dqb_bhardlimit;
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uint64_t dqb_bsoftlimit;
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uint64_t dqb_curspace;
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uint64_t dqb_ihardlimit;
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uint64_t dqb_isoftlimit;
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uint64_t dqb_curinodes;
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uint64_t dqb_btime;
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uint64_t dqb_itime;
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uint32_t dqb_valid;
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} ATTRIBUTE_PACKED;
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struct if_nextdqblk {
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uint64_t dqb_bhardlimit;
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uint64_t dqb_bsoftlimit;
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uint64_t dqb_curspace;
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uint64_t dqb_ihardlimit;
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uint64_t dqb_isoftlimit;
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uint64_t dqb_curinodes;
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uint64_t dqb_btime;
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uint64_t dqb_itime;
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uint32_t dqb_valid;
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uint32_t dqb_id;
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};
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struct xfs_dqblk {
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int8_t d_version; /* version of this structure */
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uint8_t d_flags; /* XFS_{USER,PROJ,GROUP}_QUOTA */
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uint16_t d_fieldmask; /* field specifier */
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uint32_t d_id; /* user, project, or group ID */
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uint64_t d_blk_hardlimit; /* absolute limit on disk blks */
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uint64_t d_blk_softlimit; /* preferred limit on disk blks */
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uint64_t d_ino_hardlimit; /* maximum # allocated inodes */
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uint64_t d_ino_softlimit; /* preferred inode limit */
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uint64_t d_bcount; /* # disk blocks owned by the user */
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uint64_t d_icount; /* # inodes owned by the user */
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int32_t d_itimer; /* zero if within inode limits */
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int32_t d_btimer; /* similar to above; for disk blocks */
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uint16_t d_iwarns; /* # warnings issued wrt num inodes */
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uint16_t d_bwarns; /* # warnings issued wrt disk blocks */
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int32_t d_padding2; /* padding2 - for future use */
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uint64_t d_rtb_hardlimit; /* absolute limit on realtime blks */
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uint64_t d_rtb_softlimit; /* preferred limit on RT disk blks */
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uint64_t d_rtbcount; /* # realtime blocks owned */
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int32_t d_rtbtimer; /* similar to above; for RT disk blks */
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uint16_t d_rtbwarns; /* # warnings issued wrt RT disk blks */
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int16_t d_padding3; /* padding3 - for future use */
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char d_padding4[8]; /* yet more padding */
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};
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struct if_dqinfo {
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uint64_t dqi_bgrace;
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uint64_t dqi_igrace;
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uint32_t dqi_flags;
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uint32_t dqi_valid;
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};
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struct fs_qfilestatv {
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uint64_t qfs_ino, qfs_nblks;
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uint32_t qfs_nextents, qfs_pad;
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};
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struct fs_quota_statv {
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int8_t qs_version;
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uint8_t qs_pad1;
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uint16_t qs_flags;
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uint32_t qs_incoredqs;
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struct fs_qfilestatv qs_uquota;
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struct fs_qfilestatv qs_gquota;
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struct fs_qfilestatv qs_pquota;
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int32_t qs_btimelimit;
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int32_t qs_itimelimit;
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int32_t qs_rtbtimelimit;
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uint16_t qs_bwarnlimit;
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uint16_t qs_iwarnlimit;
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uint64_t qs_pad2[8];
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};
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static int
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decode_cmd_data(struct tcb *tcp, uint32_t id, uint32_t cmd, kernel_ulong_t data)
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{
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switch (cmd) {
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case Q_QUOTAOFF:
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case Q_SYNC:
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case Q_XQUOTASYNC:
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break;
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case Q_QUOTAON:
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tprints(", ");
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printxval(quota_formats, id, "QFMT_VFS_???");
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tprints(", ");
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printpath(tcp, data);
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break;
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case Q_GETQUOTA:
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if (entering(tcp)) {
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printuid(", ", id);
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tprints(", ");
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return 0;
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}
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ATTRIBUTE_FALLTHROUGH;
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case Q_SETQUOTA:
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{
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struct if_dqblk dq;
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if (entering(tcp)) {
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printuid(", ", id);
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tprints(", ");
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}
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if (umove_or_printaddr(tcp, data, &dq))
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break;
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PRINT_FIELD_U("{", dq, dqb_bhardlimit);
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PRINT_FIELD_U(", ", dq, dqb_bsoftlimit);
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PRINT_FIELD_U(", ", dq, dqb_curspace);
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PRINT_FIELD_U(", ", dq, dqb_ihardlimit);
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PRINT_FIELD_U(", ", dq, dqb_isoftlimit);
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PRINT_FIELD_U(", ", dq, dqb_curinodes);
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if (!abbrev(tcp)) {
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PRINT_FIELD_U(", ", dq, dqb_btime);
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PRINT_FIELD_U(", ", dq, dqb_itime);
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PRINT_FIELD_FLAGS(", ", dq, dqb_valid,
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if_dqblk_valid, "QIF_???");
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} else {
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tprints(", ...");
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}
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tprints("}");
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break;
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}
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case Q_GETNEXTQUOTA:
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{
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struct if_nextdqblk dq;
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if (entering(tcp)) {
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printuid(", ", id);
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tprints(", ");
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return 0;
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}
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if (umove_or_printaddr(tcp, data, &dq))
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break;
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PRINT_FIELD_U("{", dq, dqb_bhardlimit);
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PRINT_FIELD_U(", ", dq, dqb_bsoftlimit);
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PRINT_FIELD_U(", ", dq, dqb_curspace);
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PRINT_FIELD_U(", ", dq, dqb_ihardlimit);
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PRINT_FIELD_U(", ", dq, dqb_isoftlimit);
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PRINT_FIELD_U(", ", dq, dqb_curinodes);
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if (!abbrev(tcp)) {
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PRINT_FIELD_U(", ", dq, dqb_btime);
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PRINT_FIELD_U(", ", dq, dqb_itime);
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PRINT_FIELD_FLAGS(", ", dq, dqb_valid,
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if_dqblk_valid, "QIF_???");
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PRINT_FIELD_U(", ", dq, dqb_id);
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} else {
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PRINT_FIELD_U(", ", dq, dqb_id);
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tprints(", ...");
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}
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tprints("}");
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break;
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}
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case Q_XGETQUOTA:
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case Q_XGETNEXTQUOTA:
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if (entering(tcp)) {
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printuid(", ", id);
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tprints(", ");
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return 0;
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}
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ATTRIBUTE_FALLTHROUGH;
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case Q_XSETQLIM:
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{
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struct xfs_dqblk dq;
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if (entering(tcp)) {
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printuid(", ", id);
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tprints(", ");
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}
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if (umove_or_printaddr(tcp, data, &dq))
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break;
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PRINT_FIELD_D("{", dq, d_version);
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PRINT_FIELD_FLAGS(", ", dq, d_flags,
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xfs_dqblk_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 (!abbrev(tcp)) {
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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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tprints(", ...");
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}
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tprints("}");
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break;
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}
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case Q_GETFMT:
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{
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uint32_t fmt;
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if (entering(tcp)) {
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tprints(", ");
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return 0;
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}
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if (umove_or_printaddr(tcp, data, &fmt))
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break;
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tprints("[");
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printxval(quota_formats, fmt, "QFMT_VFS_???");
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tprints("]");
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break;
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}
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case Q_GETINFO:
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if (entering(tcp)) {
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tprints(", ");
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return 0;
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}
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ATTRIBUTE_FALLTHROUGH;
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case Q_SETINFO:
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{
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struct if_dqinfo dq;
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if (entering(tcp))
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tprints(", ");
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if (umove_or_printaddr(tcp, data, &dq))
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break;
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PRINT_FIELD_U("{", dq, dqi_bgrace);
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PRINT_FIELD_U(", ", dq, dqi_igrace);
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PRINT_FIELD_FLAGS(", ", dq, dqi_flags, if_dqinfo_flags, "DQF_???");
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PRINT_FIELD_FLAGS(", ", dq, dqi_valid, if_dqinfo_valid, "IIF_???");
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tprints("}");
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break;
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}
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case Q_XGETQSTAT:
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{
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struct xfs_dqstats dq;
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if (entering(tcp)) {
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tprints(", ");
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return 0;
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}
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if (fetch_struct_quotastat(tcp, data, &dq)) {
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PRINT_FIELD_D("{", dq, qs_version);
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if (!abbrev(tcp)) {
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PRINT_FIELD_FLAGS(", ", dq, qs_flags,
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xfs_quota_flags, "XFS_QUOTA_???");
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PRINT_FIELD_U(", qs_uquota={", dq.qs_uquota, qfs_ino);
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PRINT_FIELD_U(", ", dq.qs_uquota, qfs_nblks);
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PRINT_FIELD_U(", ", dq.qs_uquota, qfs_nextents);
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PRINT_FIELD_U("}, qs_gquota={", dq.qs_gquota, qfs_ino);
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PRINT_FIELD_U(", ", dq.qs_gquota, qfs_nblks);
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PRINT_FIELD_U(", ", dq.qs_gquota, qfs_nextents);
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PRINT_FIELD_U("}, ", dq, qs_incoredqs);
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PRINT_FIELD_D(", ", dq, qs_btimelimit);
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PRINT_FIELD_D(", ", dq, qs_itimelimit);
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PRINT_FIELD_D(", ", dq, qs_rtbtimelimit);
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PRINT_FIELD_U(", ", dq, qs_bwarnlimit);
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PRINT_FIELD_U(", ", dq, qs_iwarnlimit);
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} else {
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tprints(", ...");
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}
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tprints("}");
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}
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break;
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}
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case Q_XGETQSTATV:
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{
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struct fs_quota_statv dq;
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if (entering(tcp)) {
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tprints(", ");
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return 0;
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}
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if (umove_or_printaddr(tcp, data, &dq))
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break;
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PRINT_FIELD_D("{", dq, qs_version);
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if (!abbrev(tcp)) {
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PRINT_FIELD_FLAGS(", ", dq, qs_flags,
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xfs_quota_flags, "XFS_QUOTA_???");
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PRINT_FIELD_U(", ", dq, qs_incoredqs);
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PRINT_FIELD_U(", qs_uquota={", dq.qs_uquota, qfs_ino);
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PRINT_FIELD_U(", ", dq.qs_uquota, qfs_nblks);
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PRINT_FIELD_U(", ", dq.qs_uquota, qfs_nextents);
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PRINT_FIELD_U("}, qs_gquota={", dq.qs_gquota, qfs_ino);
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PRINT_FIELD_U(", ", dq.qs_gquota, qfs_nblks);
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PRINT_FIELD_U(", ", dq.qs_gquota, qfs_nextents);
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PRINT_FIELD_U("}, qs_pquota={", dq.qs_pquota, qfs_ino);
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PRINT_FIELD_U(", ", dq.qs_pquota, qfs_nblks);
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PRINT_FIELD_U(", ", dq.qs_pquota, qfs_nextents);
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PRINT_FIELD_D("}, ", dq, qs_btimelimit);
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PRINT_FIELD_D(", ", dq, qs_itimelimit);
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PRINT_FIELD_D(", ", dq, qs_rtbtimelimit);
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PRINT_FIELD_U(", ", dq, qs_bwarnlimit);
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PRINT_FIELD_U(", ", dq, qs_iwarnlimit);
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} else {
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tprints(", ...");
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}
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tprints("}");
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break;
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}
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case Q_XQUOTAON:
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case Q_XQUOTAOFF:
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{
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uint32_t flag;
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tprints(", ");
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if (umove_or_printaddr(tcp, data, &flag))
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break;
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tprints("[");
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printflags(xfs_quota_flags, flag, "XFS_QUOTA_???");
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tprints("]");
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break;
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}
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case Q_XQUOTARM:
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{
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uint32_t flag;
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tprints(", ");
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if (umove_or_printaddr(tcp, data, &flag))
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break;
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tprints("[");
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printflags(xfs_dqblk_flags, flag, "XFS_???_QUOTA");
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tprints("]");
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break;
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}
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default:
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printuid(", ", id);
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tprints(", ");
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printaddr(data);
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break;
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}
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return RVAL_DECODED;
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}
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SYS_FUNC(quotactl)
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{
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/*
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* The Linux kernel only looks at the low 32 bits of command and id
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* arguments, but on some 64-bit architectures (s390x) this word
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* will have been sign-extended when we see it. The high 1 bits
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* don't mean anything, so don't confuse the output with them.
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*/
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uint32_t qcmd = tcp->u_arg[0];
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uint32_t cmd = QCMD_CMD(qcmd);
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uint32_t type = QCMD_TYPE(qcmd);
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uint32_t id = tcp->u_arg[2];
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if (entering(tcp)) {
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tprints("QCMD(");
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printxval(quotacmds, cmd, "Q_???");
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tprints(", ");
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printxval(quotatypes, type, "???QUOTA");
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tprints("), ");
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printpath(tcp, tcp->u_arg[1]);
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}
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return decode_cmd_data(tcp, id, cmd, tcp->u_arg[3]);
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}
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