/* * 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, 2006 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) ((u_int32_t)(cmd) >> SUBCMDSHIFT) #define QCMD_TYPE(cmd) ((u_int32_t)(cmd) & SUBCMDMASK) #define OLD_CMD(cmd) ((u_int32_t)(cmd) << 8) #define NEW_CMD(cmd) ((u_int32_t)(cmd) | 0x800000) #define XQM_CMD(cmd) ((u_int32_t)(cmd) | ('X'<<8)) #define Q_V1_QUOTAON OLD_CMD(0x1) #define Q_V1_QUOTAOFF OLD_CMD(0x2) #define Q_V1_GETQUOTA OLD_CMD(0x3) #define Q_V1_SETQUOTA OLD_CMD(0x4) #define Q_V1_SETUSE OLD_CMD(0x5) #define Q_V1_SYNC OLD_CMD(0x6) #define Q_SETQLIM OLD_CMD(0x7) #define Q_V1_GETSTATS OLD_CMD(0x8) #define Q_V1_RSQUASH OLD_CMD(0x10) #define Q_V2_GETQUOTA OLD_CMD(0xD) #define Q_V2_SETQUOTA OLD_CMD(0xE) #define Q_V2_SETUSE OLD_CMD(0xF) #define Q_V2_GETINFO OLD_CMD(0x9) #define Q_V2_SETINFO OLD_CMD(0xA) #define Q_V2_SETGRACE OLD_CMD(0xB) #define Q_V2_SETFLAGS OLD_CMD(0xC) #define Q_V2_GETSTATS OLD_CMD(0x11) #define Q_SYNC NEW_CMD(0x1) #define Q_QUOTAON NEW_CMD(0x2) #define Q_QUOTAOFF NEW_CMD(0x3) #define Q_GETFMT NEW_CMD(0x4) #define Q_GETINFO NEW_CMD(0x5) #define Q_SETINFO NEW_CMD(0x6) #define Q_GETQUOTA NEW_CMD(0x7) #define Q_SETQUOTA NEW_CMD(0x8) #define Q_XQUOTAON XQM_CMD(0x1) #define Q_XQUOTAOFF XQM_CMD(0x2) #define Q_XGETQUOTA XQM_CMD(0x3) #define Q_XSETQLIM XQM_CMD(0x4) #define Q_XGETQSTAT XQM_CMD(0x5) #define Q_XQUOTARM XQM_CMD(0x6) #define Q_XQUOTASYNC XQM_CMD(0x7) #include "xlat/quotacmds.h" #define USRQUOTA 0 #define GRPQUOTA 1 #include "xlat/quotatypes.h" /* Quota format identifiers */ #define QFMT_VFS_OLD 1 #define QFMT_VFS_V0 2 #include "xlat/quota_formats.h" #define XFS_QUOTA_UDQ_ACCT (1<<0) /* user quota accounting */ #define XFS_QUOTA_UDQ_ENFD (1<<1) /* user quota limits enforcement */ #define XFS_QUOTA_GDQ_ACCT (1<<2) /* group quota accounting */ #define XFS_QUOTA_GDQ_ENFD (1<<3) /* group quota limits enforcement */ #define XFS_USER_QUOTA (1<<0) /* user quota type */ #define XFS_PROJ_QUOTA (1<<1) /* (IRIX) project quota type */ #define XFS_GROUP_QUOTA (1<<2) /* group quota type */ #include "xlat/xfs_quota_flags.h" #include "xlat/xfs_dqblk_flags.h" /* * Following flags are used to specify which fields are valid */ #define QIF_BLIMITS 1 #define QIF_SPACE 2 #define QIF_ILIMITS 4 #define QIF_INODES 8 #define QIF_BTIME 16 #define QIF_ITIME 32 #include "xlat/if_dqblk_valid.h" struct if_dqblk { u_int64_t dqb_bhardlimit; u_int64_t dqb_bsoftlimit; u_int64_t dqb_curspace; u_int64_t dqb_ihardlimit; u_int64_t dqb_isoftlimit; u_int64_t dqb_curinodes; u_int64_t dqb_btime; u_int64_t dqb_itime; u_int32_t dqb_valid; }; struct v1_dqblk { u_int32_t dqb_bhardlimit; /* absolute limit on disk blks alloc */ u_int32_t dqb_bsoftlimit; /* preferred limit on disk blks */ u_int32_t dqb_curblocks; /* current block count */ u_int32_t dqb_ihardlimit; /* maximum # allocated inodes */ u_int32_t dqb_isoftlimit; /* preferred inode limit */ u_int32_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; u_int64_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 */ u_int16_t d_fieldmask; /* field specifier */ u_int32_t d_id; /* user, project, or group ID */ u_int64_t d_blk_hardlimit; /* absolute limit on disk blks */ u_int64_t d_blk_softlimit; /* preferred limit on disk blks */ u_int64_t d_ino_hardlimit; /* maximum # allocated inodes */ u_int64_t d_ino_softlimit; /* preferred inode limit */ u_int64_t d_bcount; /* # disk blocks owned by the user */ u_int64_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 */ u_int16_t d_iwarns; /* # warnings issued wrt num inodes */ u_int16_t d_bwarns; /* # warnings issued wrt disk blocks */ int32_t d_padding2; /* padding2 - for future use */ u_int64_t d_rtb_hardlimit; /* absolute limit on realtime blks */ u_int64_t d_rtb_softlimit; /* preferred limit on RT disk blks */ u_int64_t d_rtbcount; /* # realtime blocks owned */ int32_t d_rtbtimer; /* similar to above; for RT disk blks */ u_int16_t d_rtbwarns; /* # warnings issued wrt RT disk blks */ int16_t d_padding3; /* padding3 - for future use */ char d_padding4[8]; /* yet more padding */ }; /* * Following flags are used to specify which fields are valid */ #define IIF_BGRACE 1 #define IIF_IGRACE 2 #define IIF_FLAGS 4 #include "xlat/if_dqinfo_valid.h" struct if_dqinfo { u_int64_t dqi_bgrace; u_int64_t dqi_igrace; u_int32_t dqi_flags; u_int32_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 { u_int32_t lookups; u_int32_t drops; u_int32_t reads; u_int32_t writes; u_int32_t cache_hits; u_int32_t allocated_dquots; u_int32_t free_dquots; u_int32_t syncs; }; struct v2_dqstats { u_int32_t lookups; u_int32_t drops; u_int32_t reads; u_int32_t writes; u_int32_t cache_hits; u_int32_t allocated_dquots; u_int32_t free_dquots; u_int32_t syncs; u_int32_t version; }; typedef struct fs_qfilestat { u_int64_t qfs_ino; /* inode number */ u_int64_t qfs_nblks; /* number of BBs 512-byte-blks */ u_int32_t qfs_nextents; /* number of extents */ } fs_qfilestat_t; struct xfs_dqstats { int8_t qs_version; /* version number for future changes */ u_int16_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 */ u_int32_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 */ u_int16_t qs_bwarnlimit; /* limit for num warnings */ u_int16_t qs_iwarnlimit; /* limit for num warnings */ }; static void decode_cmd_data(struct tcb *tcp, u_int32_t cmd, unsigned long data) { switch (cmd) { case Q_GETQUOTA: case Q_SETQUOTA: { struct if_dqblk dq; if (cmd == Q_GETQUOTA && syserror(tcp)) { tprintf("%#lx", data); break; } if (umove(tcp, data, &dq) < 0) { tprintf("{???} %#lx", data); 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_V1_GETQUOTA: case Q_V1_SETQUOTA: { struct v1_dqblk dq; if (cmd == Q_V1_GETQUOTA && syserror(tcp)) { tprintf("%#lx", data); break; } if (umove(tcp, data, &dq) < 0) { tprintf("{???} %#lx", data); 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: case Q_V2_SETQUOTA: { struct v2_dqblk dq; if (cmd == Q_V2_GETQUOTA && syserror(tcp)) { tprintf("%#lx", data); break; } if (umove(tcp, data, &dq) < 0) { tprintf("{???} %#lx", data); 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_XSETQLIM: { struct xfs_dqblk dq; if (cmd == Q_XGETQUOTA && syserror(tcp)) { tprintf("%#lx", data); break; } if (umove(tcp, data, &dq) < 0) { tprintf("{???} %#lx", data); 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: { u_int32_t fmt; if (syserror(tcp)) { tprintf("%#lx", data); break; } if (umove(tcp, data, &fmt) < 0) { tprintf("{???} %#lx", data); break; } tprints("{"); printxval(quota_formats, fmt, "QFMT_VFS_???"); tprints("}"); break; } case Q_GETINFO: case Q_SETINFO: { struct if_dqinfo dq; if (cmd == Q_GETINFO && syserror(tcp)) { tprintf("%#lx", data); break; } if (umove(tcp, data, &dq) < 0) { tprintf("{???} %#lx", data); break; } tprintf("{bgrace=%" PRIu64 ", ", dq.dqi_bgrace); tprintf("igrace=%" PRIu64 ", ", dq.dqi_igrace); tprintf("flags=%#x, ", dq.dqi_flags); tprints("valid="); printflags(if_dqinfo_valid, dq.dqi_valid, "IIF_???"); tprints("}"); break; } case Q_V2_GETINFO: case Q_V2_SETINFO: { struct v2_dqinfo dq; if (cmd == Q_V2_GETINFO && syserror(tcp)) { tprintf("%#lx", data); break; } if (umove(tcp, data, &dq) < 0) { tprintf("{???} %#lx", data); break; } tprintf("{bgrace=%u, ", dq.dqi_bgrace); tprintf("igrace=%u, ", dq.dqi_igrace); tprintf("flags=%#x, ", dq.dqi_flags); 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 (syserror(tcp)) { tprintf("%#lx", data); break; } if (umove(tcp, data, &dq) < 0) { tprintf("{???} %#lx", data); 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 (syserror(tcp)) { tprintf("%#lx", data); break; } if (umove(tcp, data, &dq) < 0) { tprintf("{???} %#lx", data); 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 (syserror(tcp)) { tprintf("%#lx", data); break; } if (umove(tcp, data, &dq) < 0) { tprintf("{???} %#lx", data); 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_XQUOTAON: { u_int32_t flag; if (umove(tcp, data, &flag) < 0) { tprintf("{???} %#lx", data); break; } tprints("{"); printflags(xfs_quota_flags, flag, "XFS_QUOTA_???"); tprints("}"); break; } default: tprintf("%#lx", data); break; } } 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. */ u_int32_t qcmd = tcp->u_arg[0]; u_int32_t cmd = QCMD_CMD(qcmd); u_int32_t type = QCMD_TYPE(qcmd); u_int32_t id = tcp->u_arg[2]; if (!verbose(tcp)) return printargs(tcp); if (entering(tcp)) { printxval(quotacmds, cmd, "Q_???"); tprints("|"); printxval(quotatypes, type, "???QUOTA"); tprints(", "); printpath(tcp, tcp->u_arg[1]); tprints(", "); switch (cmd) { case Q_V1_QUOTAON: case Q_QUOTAON: printxval(quota_formats, id, "QFMT_VFS_???"); break; case Q_V1_GETQUOTA: case Q_V2_GETQUOTA: case Q_GETQUOTA: case Q_V1_SETQUOTA: case Q_V2_SETQUOTA: case Q_V1_SETUSE: case Q_V2_SETUSE: case Q_SETQLIM: case Q_SETQUOTA: case Q_XGETQUOTA: case Q_XSETQLIM: tprintf("%u", id); break; default: tprintf("%#lx", tcp->u_arg[2]); break; } tprints(", "); } else { if (!tcp->u_arg[3]) tprints("NULL"); else decode_cmd_data(tcp, cmd, tcp->u_arg[3]); } return 0; }