1 /* 2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk (at) cs.few.eur.nl> 3 * Copyright (c) 1993 Branko Lankester <branko (at) hacktic.nl> 4 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs (at) world.std.com> 5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert (at) cistron.nl> 6 * Copyright (c) 2005-2016 Dmitry V. Levin <ldv (at) altlinux.org> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include "defs.h" 33 #include "print_fields.h" 34 35 #define SUBCMDMASK 0x00ff 36 #define SUBCMDSHIFT 8 37 #define QCMD_CMD(cmd) ((uint32_t)(cmd) >> SUBCMDSHIFT) 38 #define QCMD_TYPE(cmd) ((uint32_t)(cmd) & SUBCMDMASK) 39 40 #define OLD_CMD(cmd) ((uint32_t)(cmd) << SUBCMDSHIFT) 41 #define NEW_CMD(cmd) ((uint32_t)(cmd) | 0x800000) 42 #define XQM_CMD(cmd) ((uint32_t)(cmd) | ('X' << SUBCMDSHIFT)) 43 44 #include "xlat/quotacmds.h" 45 #include "xlat/quotatypes.h" 46 #include "xlat/quota_formats.h" 47 #include "xlat/xfs_quota_flags.h" 48 #include "xlat/xfs_dqblk_flags.h" 49 #include "xlat/if_dqblk_valid.h" 50 #include "xlat/if_dqinfo_flags.h" 51 #include "xlat/if_dqinfo_valid.h" 52 53 /* 54 * We add attribute packed due to the fact that the structure is 8-byte aligned 55 * on 64-bit systems and therefore has additional 4 bytes of padding, which 56 * leads to problems when it is used on 32-bit tracee which does not have such 57 * padding. 58 */ 59 struct if_dqblk { 60 uint64_t dqb_bhardlimit; 61 uint64_t dqb_bsoftlimit; 62 uint64_t dqb_curspace; 63 uint64_t dqb_ihardlimit; 64 uint64_t dqb_isoftlimit; 65 uint64_t dqb_curinodes; 66 uint64_t dqb_btime; 67 uint64_t dqb_itime; 68 uint32_t dqb_valid; 69 } ATTRIBUTE_PACKED; 70 71 struct if_nextdqblk { 72 uint64_t dqb_bhardlimit; 73 uint64_t dqb_bsoftlimit; 74 uint64_t dqb_curspace; 75 uint64_t dqb_ihardlimit; 76 uint64_t dqb_isoftlimit; 77 uint64_t dqb_curinodes; 78 uint64_t dqb_btime; 79 uint64_t dqb_itime; 80 uint32_t dqb_valid; 81 uint32_t dqb_id; 82 }; 83 84 struct xfs_dqblk { 85 int8_t d_version; /* version of this structure */ 86 uint8_t d_flags; /* XFS_{USER,PROJ,GROUP}_QUOTA */ 87 uint16_t d_fieldmask; /* field specifier */ 88 uint32_t d_id; /* user, project, or group ID */ 89 uint64_t d_blk_hardlimit; /* absolute limit on disk blks */ 90 uint64_t d_blk_softlimit; /* preferred limit on disk blks */ 91 uint64_t d_ino_hardlimit; /* maximum # allocated inodes */ 92 uint64_t d_ino_softlimit; /* preferred inode limit */ 93 uint64_t d_bcount; /* # disk blocks owned by the user */ 94 uint64_t d_icount; /* # inodes owned by the user */ 95 int32_t d_itimer; /* zero if within inode limits */ 96 int32_t d_btimer; /* similar to above; for disk blocks */ 97 uint16_t d_iwarns; /* # warnings issued wrt num inodes */ 98 uint16_t d_bwarns; /* # warnings issued wrt disk blocks */ 99 int32_t d_padding2; /* padding2 - for future use */ 100 uint64_t d_rtb_hardlimit; /* absolute limit on realtime blks */ 101 uint64_t d_rtb_softlimit; /* preferred limit on RT disk blks */ 102 uint64_t d_rtbcount; /* # realtime blocks owned */ 103 int32_t d_rtbtimer; /* similar to above; for RT disk blks */ 104 uint16_t d_rtbwarns; /* # warnings issued wrt RT disk blks */ 105 int16_t d_padding3; /* padding3 - for future use */ 106 char d_padding4[8]; /* yet more padding */ 107 }; 108 109 struct if_dqinfo { 110 uint64_t dqi_bgrace; 111 uint64_t dqi_igrace; 112 uint32_t dqi_flags; 113 uint32_t dqi_valid; 114 }; 115 116 typedef struct fs_qfilestat { 117 uint64_t qfs_ino; /* inode number */ 118 uint64_t qfs_nblks; /* number of BBs 512-byte-blks */ 119 uint32_t qfs_nextents; /* number of extents */ 120 } fs_qfilestat_t; 121 122 struct xfs_dqstats { 123 int8_t qs_version; /* version number for future changes */ 124 uint16_t qs_flags; /* XFS_QUOTA_{U,P,G}DQ_{ACCT,ENFD} */ 125 int8_t qs_pad; /* unused */ 126 fs_qfilestat_t qs_uquota; /* user quota storage information */ 127 fs_qfilestat_t qs_gquota; /* group quota storage information */ 128 uint32_t qs_incoredqs; /* number of dquots incore */ 129 int32_t qs_btimelimit; /* limit for blks timer */ 130 int32_t qs_itimelimit; /* limit for inodes timer */ 131 int32_t qs_rtbtimelimit; /* limit for rt blks timer */ 132 uint16_t qs_bwarnlimit; /* limit for num warnings */ 133 uint16_t qs_iwarnlimit; /* limit for num warnings */ 134 }; 135 136 struct fs_qfilestatv { 137 uint64_t qfs_ino, qfs_nblks; 138 uint32_t qfs_nextents, qfs_pad; 139 }; 140 141 struct fs_quota_statv { 142 int8_t qs_version; 143 uint8_t qs_pad1; 144 uint16_t qs_flags; 145 uint32_t qs_incoredqs; 146 struct fs_qfilestatv qs_uquota; 147 struct fs_qfilestatv qs_gquota; 148 struct fs_qfilestatv qs_pquota; 149 int32_t qs_btimelimit; 150 int32_t qs_itimelimit; 151 int32_t qs_rtbtimelimit; 152 uint16_t qs_bwarnlimit; 153 uint16_t qs_iwarnlimit; 154 uint64_t qs_pad2[8]; 155 }; 156 157 static int 158 decode_cmd_data(struct tcb *tcp, uint32_t id, uint32_t cmd, kernel_ulong_t data) 159 { 160 switch (cmd) { 161 case Q_QUOTAOFF: 162 case Q_SYNC: 163 case Q_XQUOTASYNC: 164 break; 165 case Q_QUOTAON: 166 tprints(", "); 167 printxval(quota_formats, id, "QFMT_VFS_???"); 168 tprints(", "); 169 printpath(tcp, data); 170 break; 171 case Q_GETQUOTA: 172 if (entering(tcp)) { 173 printuid(", ", id); 174 tprints(", "); 175 176 return 0; 177 } 178 179 /* Fall-through */ 180 case Q_SETQUOTA: 181 { 182 struct if_dqblk dq; 183 184 if (entering(tcp)) { 185 printuid(", ", id); 186 tprints(", "); 187 } 188 189 if (umove_or_printaddr(tcp, data, &dq)) 190 break; 191 PRINT_FIELD_U("{", dq, dqb_bhardlimit); 192 PRINT_FIELD_U(", ", dq, dqb_bsoftlimit); 193 PRINT_FIELD_U(", ", dq, dqb_curspace); 194 PRINT_FIELD_U(", ", dq, dqb_ihardlimit); 195 PRINT_FIELD_U(", ", dq, dqb_isoftlimit); 196 PRINT_FIELD_U(", ", dq, dqb_curinodes); 197 if (!abbrev(tcp)) { 198 PRINT_FIELD_U(", ", dq, dqb_btime); 199 PRINT_FIELD_U(", ", dq, dqb_itime); 200 PRINT_FIELD_FLAGS(", ", dq, dqb_valid, 201 if_dqblk_valid, "QIF_???"); 202 } else { 203 tprints(", ..."); 204 } 205 tprints("}"); 206 break; 207 } 208 case Q_GETNEXTQUOTA: 209 { 210 struct if_nextdqblk dq; 211 212 if (entering(tcp)) { 213 printuid(", ", id); 214 tprints(", "); 215 216 return 0; 217 } 218 219 if (umove_or_printaddr(tcp, data, &dq)) 220 break; 221 PRINT_FIELD_U("{", dq, dqb_bhardlimit); 222 PRINT_FIELD_U(", ", dq, dqb_bsoftlimit); 223 PRINT_FIELD_U(", ", dq, dqb_curspace); 224 PRINT_FIELD_U(", ", dq, dqb_ihardlimit); 225 PRINT_FIELD_U(", ", dq, dqb_isoftlimit); 226 PRINT_FIELD_U(", ", dq, dqb_curinodes); 227 if (!abbrev(tcp)) { 228 PRINT_FIELD_U(", ", dq, dqb_btime); 229 PRINT_FIELD_U(", ", dq, dqb_itime); 230 PRINT_FIELD_FLAGS(", ", dq, dqb_valid, 231 if_dqblk_valid, "QIF_???"); 232 PRINT_FIELD_U(", ", dq, dqb_id); 233 } else { 234 PRINT_FIELD_U(", ", dq, dqb_id); 235 tprints(", ..."); 236 } 237 tprints("}"); 238 break; 239 } 240 case Q_XGETQUOTA: 241 case Q_XGETNEXTQUOTA: 242 if (entering(tcp)) { 243 printuid(", ", id); 244 tprints(", "); 245 246 return 0; 247 } 248 249 /* Fall-through */ 250 case Q_XSETQLIM: 251 { 252 struct xfs_dqblk dq; 253 254 if (entering(tcp)) { 255 printuid(", ", id); 256 tprints(", "); 257 } 258 259 if (umove_or_printaddr(tcp, data, &dq)) 260 break; 261 PRINT_FIELD_D("{", dq, d_version); 262 PRINT_FIELD_FLAGS(", ", dq, d_flags, 263 xfs_dqblk_flags, "XFS_???_QUOTA"); 264 PRINT_FIELD_X(", ", dq, d_fieldmask); 265 PRINT_FIELD_U(", ", dq, d_id); 266 PRINT_FIELD_U(", ", dq, d_blk_hardlimit); 267 PRINT_FIELD_U(", ", dq, d_blk_softlimit); 268 PRINT_FIELD_U(", ", dq, d_ino_hardlimit); 269 PRINT_FIELD_U(", ", dq, d_ino_softlimit); 270 PRINT_FIELD_U(", ", dq, d_bcount); 271 PRINT_FIELD_U(", ", dq, d_icount); 272 if (!abbrev(tcp)) { 273 PRINT_FIELD_D(", ", dq, d_itimer); 274 PRINT_FIELD_D(", ", dq, d_btimer); 275 PRINT_FIELD_U(", ", dq, d_iwarns); 276 PRINT_FIELD_U(", ", dq, d_bwarns); 277 PRINT_FIELD_U(", ", dq, d_rtb_hardlimit); 278 PRINT_FIELD_U(", ", dq, d_rtb_softlimit); 279 PRINT_FIELD_U(", ", dq, d_rtbcount); 280 PRINT_FIELD_D(", ", dq, d_rtbtimer); 281 PRINT_FIELD_U(", ", dq, d_rtbwarns); 282 } else { 283 tprints(", ..."); 284 } 285 tprints("}"); 286 break; 287 } 288 case Q_GETFMT: 289 { 290 uint32_t fmt; 291 292 if (entering(tcp)) { 293 tprints(", "); 294 295 return 0; 296 } 297 298 if (umove_or_printaddr(tcp, data, &fmt)) 299 break; 300 tprints("["); 301 printxval(quota_formats, fmt, "QFMT_VFS_???"); 302 tprints("]"); 303 break; 304 } 305 case Q_GETINFO: 306 if (entering(tcp)) { 307 tprints(", "); 308 309 return 0; 310 } 311 312 /* Fall-through */ 313 case Q_SETINFO: 314 { 315 struct if_dqinfo dq; 316 317 if (entering(tcp)) 318 tprints(", "); 319 320 if (umove_or_printaddr(tcp, data, &dq)) 321 break; 322 PRINT_FIELD_U("{", dq, dqi_bgrace); 323 PRINT_FIELD_U(", ", dq, dqi_igrace); 324 PRINT_FIELD_FLAGS(", ", dq, dqi_flags, if_dqinfo_flags, "DQF_???"); 325 PRINT_FIELD_FLAGS(", ", dq, dqi_valid, if_dqinfo_valid, "IIF_???"); 326 tprints("}"); 327 break; 328 } 329 case Q_XGETQSTAT: 330 { 331 struct xfs_dqstats dq; 332 333 if (entering(tcp)) { 334 tprints(", "); 335 336 return 0; 337 } 338 339 if (umove_or_printaddr(tcp, data, &dq)) 340 break; 341 PRINT_FIELD_D("{", dq, qs_version); 342 if (!abbrev(tcp)) { 343 PRINT_FIELD_FLAGS(", ", dq, qs_flags, 344 xfs_quota_flags, "XFS_QUOTA_???"); 345 PRINT_FIELD_U(", ", dq, qs_incoredqs); 346 PRINT_FIELD_U(", qs_uquota={", dq.qs_uquota, qfs_ino); 347 PRINT_FIELD_U(", ", dq.qs_uquota, qfs_nblks); 348 PRINT_FIELD_U(", ", dq.qs_uquota, qfs_nextents); 349 PRINT_FIELD_U("}, qs_gquota={", dq.qs_gquota, qfs_ino); 350 PRINT_FIELD_U(", ", dq.qs_gquota, qfs_nblks); 351 PRINT_FIELD_U(", ", dq.qs_gquota, qfs_nextents); 352 PRINT_FIELD_D("}, ", dq, qs_btimelimit); 353 PRINT_FIELD_D(", ", dq, qs_itimelimit); 354 PRINT_FIELD_D(", ", dq, qs_rtbtimelimit); 355 PRINT_FIELD_U(", ", dq, qs_bwarnlimit); 356 PRINT_FIELD_U(", ", dq, qs_iwarnlimit); 357 } else { 358 tprints(", ..."); 359 } 360 tprints("}"); 361 break; 362 } 363 case Q_XGETQSTATV: 364 { 365 struct fs_quota_statv dq; 366 367 if (entering(tcp)) { 368 tprints(", "); 369 370 return 0; 371 } 372 373 if (umove_or_printaddr(tcp, data, &dq)) 374 break; 375 PRINT_FIELD_D("{", dq, qs_version); 376 if (!abbrev(tcp)) { 377 PRINT_FIELD_FLAGS(", ", dq, qs_flags, 378 xfs_quota_flags, "XFS_QUOTA_???"); 379 PRINT_FIELD_U(", ", dq, qs_incoredqs); 380 PRINT_FIELD_U(", qs_uquota={", dq.qs_uquota, qfs_ino); 381 PRINT_FIELD_U(", ", dq.qs_uquota, qfs_nblks); 382 PRINT_FIELD_U(", ", dq.qs_uquota, qfs_nextents); 383 PRINT_FIELD_U("}, qs_gquota={", dq.qs_gquota, qfs_ino); 384 PRINT_FIELD_U(", ", dq.qs_gquota, qfs_nblks); 385 PRINT_FIELD_U(", ", dq.qs_gquota, qfs_nextents); 386 PRINT_FIELD_U("}, qs_pquota={", dq.qs_pquota, qfs_ino); 387 PRINT_FIELD_U(", ", dq.qs_pquota, qfs_nblks); 388 PRINT_FIELD_U(", ", dq.qs_pquota, qfs_nextents); 389 PRINT_FIELD_D("}, ", dq, qs_btimelimit); 390 PRINT_FIELD_D(", ", dq, qs_itimelimit); 391 PRINT_FIELD_D(", ", dq, qs_rtbtimelimit); 392 PRINT_FIELD_U(", ", dq, qs_bwarnlimit); 393 PRINT_FIELD_U(", ", dq, qs_iwarnlimit); 394 } else { 395 tprints(", ..."); 396 } 397 tprints("}"); 398 break; 399 } 400 case Q_XQUOTAON: 401 case Q_XQUOTAOFF: 402 { 403 uint32_t flag; 404 405 tprints(", "); 406 407 if (umove_or_printaddr(tcp, data, &flag)) 408 break; 409 tprints("["); 410 printflags(xfs_quota_flags, flag, "XFS_QUOTA_???"); 411 tprints("]"); 412 break; 413 } 414 case Q_XQUOTARM: 415 { 416 uint32_t flag; 417 418 tprints(", "); 419 420 if (umove_or_printaddr(tcp, data, &flag)) 421 break; 422 tprints("["); 423 printflags(xfs_dqblk_flags, flag, "XFS_???_QUOTA"); 424 tprints("]"); 425 break; 426 } 427 default: 428 printuid(", ", id); 429 tprints(", "); 430 printaddr(data); 431 break; 432 } 433 return RVAL_DECODED; 434 } 435 436 SYS_FUNC(quotactl) 437 { 438 /* 439 * The Linux kernel only looks at the low 32 bits of command and id 440 * arguments, but on some 64-bit architectures (s390x) this word 441 * will have been sign-extended when we see it. The high 1 bits 442 * don't mean anything, so don't confuse the output with them. 443 */ 444 uint32_t qcmd = tcp->u_arg[0]; 445 uint32_t cmd = QCMD_CMD(qcmd); 446 uint32_t type = QCMD_TYPE(qcmd); 447 uint32_t id = tcp->u_arg[2]; 448 449 if (entering(tcp)) { 450 tprints("QCMD("); 451 printxval(quotacmds, cmd, "Q_???"); 452 tprints(", "); 453 printxval(quotatypes, type, "???QUOTA"); 454 tprints("), "); 455 printpath(tcp, tcp->u_arg[1]); 456 } 457 return decode_cmd_data(tcp, id, cmd, tcp->u_arg[3]); 458 } 459
