| /* |
| * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl> |
| * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl> |
| * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com> |
| * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl> |
| * Copyright (c) 2005-2016 Dmitry V. Levin <ldv@altlinux.org> |
| * 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 "defs.h" |
| |
| #define SUBCMDMASK 0x00ff |
| #define SUBCMDSHIFT 8 |
| #define QCMD_CMD(cmd) ((uint32_t)(cmd) >> SUBCMDSHIFT) |
| #define QCMD_TYPE(cmd) ((uint32_t)(cmd) & SUBCMDMASK) |
| |
| #define OLD_CMD(cmd) ((uint32_t)(cmd) << SUBCMDSHIFT) |
| #define NEW_CMD(cmd) ((uint32_t)(cmd) | 0x800000) |
| #define XQM_CMD(cmd) ((uint32_t)(cmd) | ('X' << SUBCMDSHIFT)) |
| |
| #include "xlat/quotacmds.h" |
| #include "xlat/quotatypes.h" |
| #include "xlat/quota_formats.h" |
| #include "xlat/xfs_quota_flags.h" |
| #include "xlat/xfs_dqblk_flags.h" |
| #include "xlat/if_dqblk_valid.h" |
| #include "xlat/if_dqinfo_flags.h" |
| #include "xlat/if_dqinfo_valid.h" |
| |
| struct if_dqblk |
| { |
| uint64_t dqb_bhardlimit; |
| uint64_t dqb_bsoftlimit; |
| uint64_t dqb_curspace; |
| uint64_t dqb_ihardlimit; |
| uint64_t dqb_isoftlimit; |
| uint64_t dqb_curinodes; |
| uint64_t dqb_btime; |
| uint64_t dqb_itime; |
| uint32_t dqb_valid; |
| }; |
| |
| struct if_nextdqblk { |
| uint64_t dqb_bhardlimit; |
| uint64_t dqb_bsoftlimit; |
| uint64_t dqb_curspace; |
| uint64_t dqb_ihardlimit; |
| uint64_t dqb_isoftlimit; |
| uint64_t dqb_curinodes; |
| uint64_t dqb_btime; |
| uint64_t dqb_itime; |
| uint32_t dqb_valid; |
| uint32_t dqb_id; |
| }; |
| |
| struct v1_dqblk |
| { |
| uint32_t dqb_bhardlimit; /* absolute limit on disk blks alloc */ |
| uint32_t dqb_bsoftlimit; /* preferred limit on disk blks */ |
| uint32_t dqb_curblocks; /* current block count */ |
| uint32_t dqb_ihardlimit; /* maximum # allocated inodes */ |
| uint32_t dqb_isoftlimit; /* preferred inode limit */ |
| uint32_t dqb_curinodes; /* current # allocated inodes */ |
| time_t dqb_btime; /* time limit for excessive disk use */ |
| time_t dqb_itime; /* time limit for excessive files */ |
| }; |
| |
| struct v2_dqblk |
| { |
| unsigned int dqb_ihardlimit; |
| unsigned int dqb_isoftlimit; |
| unsigned int dqb_curinodes; |
| unsigned int dqb_bhardlimit; |
| unsigned int dqb_bsoftlimit; |
| uint64_t dqb_curspace; |
| time_t dqb_btime; |
| time_t dqb_itime; |
| }; |
| |
| struct xfs_dqblk |
| { |
| int8_t d_version; /* version of this structure */ |
| int8_t d_flags; /* XFS_{USER,PROJ,GROUP}_QUOTA */ |
| uint16_t d_fieldmask; /* field specifier */ |
| uint32_t d_id; /* user, project, or group ID */ |
| uint64_t d_blk_hardlimit; /* absolute limit on disk blks */ |
| uint64_t d_blk_softlimit; /* preferred limit on disk blks */ |
| uint64_t d_ino_hardlimit; /* maximum # allocated inodes */ |
| uint64_t d_ino_softlimit; /* preferred inode limit */ |
| uint64_t d_bcount; /* # disk blocks owned by the user */ |
| uint64_t d_icount; /* # inodes owned by the user */ |
| int32_t d_itimer; /* zero if within inode limits */ |
| int32_t d_btimer; /* similar to above; for disk blocks */ |
| uint16_t d_iwarns; /* # warnings issued wrt num inodes */ |
| uint16_t d_bwarns; /* # warnings issued wrt disk blocks */ |
| int32_t d_padding2; /* padding2 - for future use */ |
| uint64_t d_rtb_hardlimit; /* absolute limit on realtime blks */ |
| uint64_t d_rtb_softlimit; /* preferred limit on RT disk blks */ |
| uint64_t d_rtbcount; /* # realtime blocks owned */ |
| int32_t d_rtbtimer; /* similar to above; for RT disk blks */ |
| uint16_t d_rtbwarns; /* # warnings issued wrt RT disk blks */ |
| int16_t d_padding3; /* padding3 - for future use */ |
| char d_padding4[8]; /* yet more padding */ |
| }; |
| |
| struct if_dqinfo |
| { |
| uint64_t dqi_bgrace; |
| uint64_t dqi_igrace; |
| uint32_t dqi_flags; |
| uint32_t dqi_valid; |
| }; |
| |
| struct v2_dqinfo |
| { |
| unsigned int dqi_bgrace; |
| unsigned int dqi_igrace; |
| unsigned int dqi_flags; |
| unsigned int dqi_blocks; |
| unsigned int dqi_free_blk; |
| unsigned int dqi_free_entry; |
| }; |
| |
| struct v1_dqstats |
| { |
| uint32_t lookups; |
| uint32_t drops; |
| uint32_t reads; |
| uint32_t writes; |
| uint32_t cache_hits; |
| uint32_t allocated_dquots; |
| uint32_t free_dquots; |
| uint32_t syncs; |
| }; |
| |
| struct v2_dqstats |
| { |
| uint32_t lookups; |
| uint32_t drops; |
| uint32_t reads; |
| uint32_t writes; |
| uint32_t cache_hits; |
| uint32_t allocated_dquots; |
| uint32_t free_dquots; |
| uint32_t syncs; |
| uint32_t version; |
| }; |
| |
| typedef struct fs_qfilestat |
| { |
| uint64_t qfs_ino; /* inode number */ |
| uint64_t qfs_nblks; /* number of BBs 512-byte-blks */ |
| uint32_t qfs_nextents; /* number of extents */ |
| } fs_qfilestat_t; |
| |
| struct xfs_dqstats |
| { |
| int8_t qs_version; /* version number for future changes */ |
| uint16_t qs_flags; /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */ |
| int8_t qs_pad; /* unused */ |
| fs_qfilestat_t qs_uquota; /* user quota storage information */ |
| fs_qfilestat_t qs_gquota; /* group quota storage information */ |
| uint32_t qs_incoredqs; /* number of dquots incore */ |
| int32_t qs_btimelimit; /* limit for blks timer */ |
| int32_t qs_itimelimit; /* limit for inodes timer */ |
| int32_t qs_rtbtimelimit; /* limit for rt blks timer */ |
| uint16_t qs_bwarnlimit; /* limit for num warnings */ |
| uint16_t qs_iwarnlimit; /* limit for num warnings */ |
| }; |
| |
| struct fs_qfilestatv { |
| uint64_t qfs_ino, qfs_nblks; |
| uint32_t qfs_nextents, qfs_pad; |
| }; |
| |
| struct fs_quota_statv { |
| int8_t qs_version; |
| uint8_t qs_pad1; |
| uint16_t qs_flags; |
| uint32_t qs_incoredqs; |
| struct fs_qfilestatv qs_uquota; |
| struct fs_qfilestatv qs_gquota; |
| struct fs_qfilestatv qs_pquota; |
| int32_t qs_btimelimit; |
| int32_t qs_itimelimit; |
| int32_t qs_rtbtimelimit; |
| uint16_t qs_bwarnlimit; |
| uint16_t qs_iwarnlimit; |
| uint64_t qs_pad2[8]; |
| }; |
| |
| static int |
| decode_cmd_data(struct tcb *tcp, uint32_t cmd, unsigned long data) |
| { |
| switch (cmd) { |
| case Q_GETQUOTA: |
| if (entering(tcp)) |
| return 0; |
| case Q_SETQUOTA: |
| { |
| struct if_dqblk dq; |
| |
| if (umove_or_printaddr(tcp, data, &dq)) |
| break; |
| tprintf("{bhardlimit=%" PRIu64 ", ", dq.dqb_bhardlimit); |
| tprintf("bsoftlimit=%" PRIu64 ", ", dq.dqb_bsoftlimit); |
| tprintf("curspace=%" PRIu64 ", ", dq.dqb_curspace); |
| tprintf("ihardlimit=%" PRIu64 ", ", dq.dqb_ihardlimit); |
| tprintf("isoftlimit=%" PRIu64 ", ", dq.dqb_isoftlimit); |
| tprintf("curinodes=%" PRIu64 ", ", dq.dqb_curinodes); |
| if (!abbrev(tcp)) { |
| tprintf("btime=%" PRIu64 ", ", dq.dqb_btime); |
| tprintf("itime=%" PRIu64 ", ", dq.dqb_itime); |
| tprints("valid="); |
| printflags(if_dqblk_valid, |
| dq.dqb_valid, "QIF_???"); |
| tprints("}"); |
| } else |
| tprints("...}"); |
| break; |
| } |
| case Q_GETNEXTQUOTA: |
| { |
| struct if_nextdqblk dq; |
| |
| if (entering(tcp)) |
| return 0; |
| if (umove_or_printaddr(tcp, data, &dq)) |
| break; |
| tprintf("{bhardlimit=%" PRIu64 ", ", dq.dqb_bhardlimit); |
| tprintf("bsoftlimit=%" PRIu64 ", ", dq.dqb_bsoftlimit); |
| tprintf("curspace=%" PRIu64 ", ", dq.dqb_curspace); |
| tprintf("ihardlimit=%" PRIu64 ", ", dq.dqb_ihardlimit); |
| tprintf("isoftlimit=%" PRIu64 ", ", dq.dqb_isoftlimit); |
| tprintf("curinodes=%" PRIu64 ", ", dq.dqb_curinodes); |
| if (!abbrev(tcp)) { |
| tprintf("btime=%" PRIu64 ", ", dq.dqb_btime); |
| tprintf("itime=%" PRIu64 ", ", dq.dqb_itime); |
| tprints("valid="); |
| printflags(if_dqblk_valid, |
| dq.dqb_valid, "QIF_???"); |
| tprintf(", id=%u}", dq.dqb_id); |
| } else |
| tprintf("id=%u, ...}", dq.dqb_id); |
| break; |
| } |
| case Q_V1_GETQUOTA: |
| if (entering(tcp)) |
| return 0; |
| case Q_V1_SETQUOTA: |
| { |
| struct v1_dqblk dq; |
| |
| if (umove_or_printaddr(tcp, data, &dq)) |
| break; |
| tprintf("{bhardlimit=%u, ", dq.dqb_bhardlimit); |
| tprintf("bsoftlimit=%u, ", dq.dqb_bsoftlimit); |
| tprintf("curblocks=%u, ", dq.dqb_curblocks); |
| tprintf("ihardlimit=%u, ", dq.dqb_ihardlimit); |
| tprintf("isoftlimit=%u, ", dq.dqb_isoftlimit); |
| tprintf("curinodes=%u, ", dq.dqb_curinodes); |
| tprintf("btime=%lu, ", (long) dq.dqb_btime); |
| tprintf("itime=%lu}", (long) dq.dqb_itime); |
| break; |
| } |
| case Q_V2_GETQUOTA: |
| if (entering(tcp)) |
| return 0; |
| case Q_V2_SETQUOTA: |
| { |
| struct v2_dqblk dq; |
| |
| if (umove_or_printaddr(tcp, data, &dq)) |
| break; |
| tprintf("{ihardlimit=%u, ", dq.dqb_ihardlimit); |
| tprintf("isoftlimit=%u, ", dq.dqb_isoftlimit); |
| tprintf("curinodes=%u, ", dq.dqb_curinodes); |
| tprintf("bhardlimit=%u, ", dq.dqb_bhardlimit); |
| tprintf("bsoftlimit=%u, ", dq.dqb_bsoftlimit); |
| tprintf("curspace=%" PRIu64 ", ", dq.dqb_curspace); |
| tprintf("btime=%lu, ", (long) dq.dqb_btime); |
| tprintf("itime=%lu}", (long) dq.dqb_itime); |
| break; |
| } |
| case Q_XGETQUOTA: |
| case Q_XGETNEXTQUOTA: |
| if (entering(tcp)) |
| return 0; |
| case Q_XSETQLIM: |
| { |
| struct xfs_dqblk dq; |
| |
| if (umove_or_printaddr(tcp, data, &dq)) |
| break; |
| tprintf("{version=%d, ", dq.d_version); |
| tprints("flags="); |
| printflags(xfs_dqblk_flags, |
| dq.d_flags, "XFS_???_QUOTA"); |
| tprintf(", fieldmask=%#x, ", dq.d_fieldmask); |
| tprintf("id=%u, ", dq.d_id); |
| tprintf("blk_hardlimit=%" PRIu64 ", ", dq.d_blk_hardlimit); |
| tprintf("blk_softlimit=%" PRIu64 ", ", dq.d_blk_softlimit); |
| tprintf("ino_hardlimit=%" PRIu64 ", ", dq.d_ino_hardlimit); |
| tprintf("ino_softlimit=%" PRIu64 ", ", dq.d_ino_softlimit); |
| tprintf("bcount=%" PRIu64 ", ", dq.d_bcount); |
| tprintf("icount=%" PRIu64 ", ", dq.d_icount); |
| if (!abbrev(tcp)) { |
| tprintf("itimer=%d, ", dq.d_itimer); |
| tprintf("btimer=%d, ", dq.d_btimer); |
| tprintf("iwarns=%u, ", dq.d_iwarns); |
| tprintf("bwarns=%u, ", dq.d_bwarns); |
| tprintf("rtbcount=%" PRIu64 ", ", dq.d_rtbcount); |
| tprintf("rtbtimer=%d, ", dq.d_rtbtimer); |
| tprintf("rtbwarns=%u}", dq.d_rtbwarns); |
| } else |
| tprints("...}"); |
| break; |
| } |
| case Q_GETFMT: |
| { |
| uint32_t fmt; |
| |
| if (entering(tcp)) |
| return 0; |
| if (umove_or_printaddr(tcp, data, &fmt)) |
| break; |
| tprints("["); |
| printxval(quota_formats, fmt, "QFMT_VFS_???"); |
| tprints("]"); |
| break; |
| } |
| case Q_GETINFO: |
| if (entering(tcp)) |
| return 0; |
| case Q_SETINFO: |
| { |
| struct if_dqinfo dq; |
| |
| if (umove_or_printaddr(tcp, data, &dq)) |
| break; |
| tprintf("{bgrace=%" PRIu64 ", ", dq.dqi_bgrace); |
| tprintf("igrace=%" PRIu64 ", ", dq.dqi_igrace); |
| tprints("flags="); |
| printflags(if_dqinfo_flags, dq.dqi_flags, "DQF_???"); |
| tprints(", valid="); |
| printflags(if_dqinfo_valid, dq.dqi_valid, "IIF_???"); |
| tprints("}"); |
| break; |
| } |
| case Q_V2_GETINFO: |
| if (entering(tcp)) |
| return 0; |
| case Q_V2_SETINFO: |
| { |
| struct v2_dqinfo dq; |
| |
| if (umove_or_printaddr(tcp, data, &dq)) |
| break; |
| tprintf("{bgrace=%u, ", dq.dqi_bgrace); |
| tprintf("igrace=%u, ", dq.dqi_igrace); |
| tprints("flags="); |
| printflags(if_dqinfo_flags, dq.dqi_flags, "DQF_???"); |
| tprintf(", blocks=%u, ", dq.dqi_blocks); |
| tprintf("free_blk=%u, ", dq.dqi_free_blk); |
| tprintf("free_entry=%u}", dq.dqi_free_entry); |
| break; |
| } |
| case Q_V1_GETSTATS: |
| { |
| struct v1_dqstats dq; |
| |
| if (entering(tcp)) |
| return 0; |
| if (umove_or_printaddr(tcp, data, &dq)) |
| break; |
| tprintf("{lookups=%u, ", dq.lookups); |
| tprintf("drops=%u, ", dq.drops); |
| tprintf("reads=%u, ", dq.reads); |
| tprintf("writes=%u, ", dq.writes); |
| tprintf("cache_hits=%u, ", dq.cache_hits); |
| tprintf("allocated_dquots=%u, ", dq.allocated_dquots); |
| tprintf("free_dquots=%u, ", dq.free_dquots); |
| tprintf("syncs=%u}", dq.syncs); |
| break; |
| } |
| case Q_V2_GETSTATS: |
| { |
| struct v2_dqstats dq; |
| |
| if (entering(tcp)) |
| return 0; |
| if (umove_or_printaddr(tcp, data, &dq)) |
| break; |
| tprintf("{lookups=%u, ", dq.lookups); |
| tprintf("drops=%u, ", dq.drops); |
| tprintf("reads=%u, ", dq.reads); |
| tprintf("writes=%u, ", dq.writes); |
| tprintf("cache_hits=%u, ", dq.cache_hits); |
| tprintf("allocated_dquots=%u, ", dq.allocated_dquots); |
| tprintf("free_dquots=%u, ", dq.free_dquots); |
| tprintf("syncs=%u, ", dq.syncs); |
| tprintf("version=%u}", dq.version); |
| break; |
| } |
| case Q_XGETQSTAT: |
| { |
| struct xfs_dqstats dq; |
| |
| if (entering(tcp)) |
| return 0; |
| if (umove_or_printaddr(tcp, data, &dq)) |
| break; |
| tprintf("{version=%d, ", dq.qs_version); |
| if (abbrev(tcp)) { |
| tprints("...}"); |
| break; |
| } |
| tprints("flags="); |
| printflags(xfs_quota_flags, |
| dq.qs_flags, "XFS_QUOTA_???"); |
| tprintf(", incoredqs=%u, ", dq.qs_incoredqs); |
| tprintf("u_ino=%" PRIu64 ", ", dq.qs_uquota.qfs_ino); |
| tprintf("u_nblks=%" PRIu64 ", ", dq.qs_uquota.qfs_nblks); |
| tprintf("u_nextents=%u, ", dq.qs_uquota.qfs_nextents); |
| tprintf("g_ino=%" PRIu64 ", ", dq.qs_gquota.qfs_ino); |
| tprintf("g_nblks=%" PRIu64 ", ", dq.qs_gquota.qfs_nblks); |
| tprintf("g_nextents=%u, ", dq.qs_gquota.qfs_nextents); |
| tprintf("btimelimit=%d, ", dq.qs_btimelimit); |
| tprintf("itimelimit=%d, ", dq.qs_itimelimit); |
| tprintf("rtbtimelimit=%d, ", dq.qs_rtbtimelimit); |
| tprintf("bwarnlimit=%u, ", dq.qs_bwarnlimit); |
| tprintf("iwarnlimit=%u}", dq.qs_iwarnlimit); |
| break; |
| } |
| case Q_XGETQSTATV: |
| { |
| struct fs_quota_statv dq; |
| |
| if (entering(tcp)) |
| return 0; |
| if (umove_or_printaddr(tcp, data, &dq)) |
| break; |
| tprintf("{version=%d, ", dq.qs_version); |
| if (abbrev(tcp)) { |
| tprints("...}"); |
| break; |
| } |
| tprints("flags="); |
| printflags(xfs_quota_flags, |
| dq.qs_flags, "XFS_QUOTA_???"); |
| tprintf(", incoredqs=%u, ", dq.qs_incoredqs); |
| tprintf("u_ino=%" PRIu64 ", ", dq.qs_uquota.qfs_ino); |
| tprintf("u_nblks=%" PRIu64 ", ", dq.qs_uquota.qfs_nblks); |
| tprintf("u_nextents=%u, ", dq.qs_uquota.qfs_nextents); |
| tprintf("g_ino=%" PRIu64 ", ", dq.qs_gquota.qfs_ino); |
| tprintf("g_nblks=%" PRIu64 ", ", dq.qs_gquota.qfs_nblks); |
| tprintf("g_nextents=%u, ", dq.qs_gquota.qfs_nextents); |
| tprintf("p_ino=%" PRIu64 ", ", dq.qs_pquota.qfs_ino); |
| tprintf("p_nblks=%" PRIu64 ", ", dq.qs_pquota.qfs_nblks); |
| tprintf("p_nextents=%u, ", dq.qs_pquota.qfs_nextents); |
| tprintf("btimelimit=%d, ", dq.qs_btimelimit); |
| tprintf("itimelimit=%d, ", dq.qs_itimelimit); |
| tprintf("rtbtimelimit=%d, ", dq.qs_rtbtimelimit); |
| tprintf("bwarnlimit=%u, ", dq.qs_bwarnlimit); |
| tprintf("iwarnlimit=%u}", dq.qs_iwarnlimit); |
| break; |
| } |
| case Q_XQUOTAON: |
| case Q_XQUOTAOFF: |
| { |
| uint32_t flag; |
| |
| if (umove_or_printaddr(tcp, data, &flag)) |
| break; |
| tprints("["); |
| printflags(xfs_quota_flags, flag, "XFS_QUOTA_???"); |
| tprints("]"); |
| break; |
| } |
| default: |
| printaddr(data); |
| break; |
| } |
| return RVAL_DECODED; |
| } |
| |
| SYS_FUNC(quotactl) |
| { |
| /* |
| * The Linux kernel only looks at the low 32 bits of command and id |
| * arguments, but on some 64-bit architectures (s390x) this word |
| * will have been sign-extended when we see it. The high 1 bits |
| * don't mean anything, so don't confuse the output with them. |
| */ |
| uint32_t qcmd = tcp->u_arg[0]; |
| uint32_t cmd = QCMD_CMD(qcmd); |
| uint32_t type = QCMD_TYPE(qcmd); |
| uint32_t id = tcp->u_arg[2]; |
| |
| if (entering(tcp)) { |
| printxval(quotacmds, cmd, "Q_???"); |
| tprints("|"); |
| printxval(quotatypes, type, "???QUOTA"); |
| tprints(", "); |
| printpath(tcp, tcp->u_arg[1]); |
| tprints(", "); |
| switch (cmd) { |
| case Q_QUOTAON: |
| case Q_V1_QUOTAON: |
| printxval(quota_formats, id, "QFMT_VFS_???"); |
| tprints(", "); |
| printpath(tcp, tcp->u_arg[3]); |
| return RVAL_DECODED; |
| } |
| tprintf("%u, ", id); |
| } |
| return decode_cmd_data(tcp, cmd, tcp->u_arg[3]); |
| } |