source/lib/sysquotas.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    System QUOTA function wrappers
   4    Copyright (C) Stefan (metze) Metzmacher      2003
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21
  22 #ifndef AUTOCONF_TEST
  23
  24 #include "includes.h"
  25
  26 #ifdef HAVE_SYS_QUOTAS
  27
  28 #if defined(HAVE_QUOTACTL_4A)
  29 /* long quotactl(int cmd, char *special, qid_t id, caddr_t addr) */
  30 /* this is used by: linux,HPUX,IRIX */
  31
  32 /****************************************************************************
  33  Abstract out the old and new Linux quota get calls.
  34 ****************************************************************************/
  35 static int sys_get_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
  36 {
  37         int ret = -1;
  38         uint32 qflags = 0;
  39         struct SYS_DQBLK D;
  40         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
  41
  42         if (!path||!bdev||!dp)
  43                 smb_panic("sys_get_vfs_quota: called with NULL pointer");
  44
  45         ZERO_STRUCT(D);
  46         ZERO_STRUCT(*dp);
  47         dp->qtype = qtype;
  48
  49         switch (qtype) {
  50                 case SMB_USER_QUOTA_TYPE:
  51                         /* we use id.uid == 0 for default quotas */
  52                         if (id.uid == 0) {
  53                                 ret = 0;
  54                                 break;
  55                         }
  56
  57                         if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (CADDR_T)&D))) {
  58                                 return ret;
  59                         }
  60
  61                         if ((D.dqb_curblocks==0)&&
  62                                 (D.dqb_bsoftlimit==0)&&
  63                                 (D.dqb_bhardlimit==0)) {
  64                                 /* the upper layer functions don't want empty quota records...*/
  65                                 return -1;
  66                         }
  67
  68                         break;
  69 #ifdef HAVE_GROUP_QUOTA
  70                 case SMB_GROUP_QUOTA_TYPE:
  71                         if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id.gid, (CADDR_T)&D))) {
  72                                 return ret;
  73                         }
  74
  75                         if ((D.dqb_curblocks==0)&&
  76                                 (D.dqb_bsoftlimit==0)&&
  77                                 (D.dqb_bhardlimit==0)) {
  78                                 /* the upper layer functions don't want empty quota records...*/
  79                                 return -1;
  80                         }
  81
  82                         break;
  83 #endif /* HAVE_GROUP_QUOTA */
  84                 case SMB_USER_FS_QUOTA_TYPE:
  85                         id.uid = getuid();
  86
  87                         if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (CADDR_T)&D))==0) {
  88                                 qflags |= QUOTAS_DENY_DISK;
  89                         }
  90
  91                         /* get the default quotas stored in the root's (uid =0) record */
  92                         if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, 0, (CADDR_T)&D))) {
  93                                 return ret;
  94                         }
  95
  96                         ret = 0;
  97                         break;
  98                 default:
  99                         errno = ENOSYS;
 100                         return -1;
 101         }
 102
 103         dp->bsize = bsize;
 104         dp->softlimit = (SMB_BIG_UINT)D.dqb_bsoftlimit;
 105         dp->hardlimit = (SMB_BIG_UINT)D.dqb_bhardlimit;
 106         dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
 107         dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
 108         dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
 109         dp->curblocks = (SMB_BIG_UINT)D.dqb_curblocks;
 110
 111
 112         dp->qflags = qflags;
 113
 114         return ret;
 115 }
 116
 117 /****************************************************************************
 118  Abstract out the old and new Linux quota set calls.
 119 ****************************************************************************/
 120
 121 static int sys_set_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 122 {
 123         int ret = -1;
 124         uint32 qflags = 0;
 125         struct SYS_DQBLK D;
 126         SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
 127
 128         if (!path||!bdev||!dp)
 129                 smb_panic("sys_set_vfs_quota: called with NULL pointer");
 130
 131         ZERO_STRUCT(D);
 132
 133         if (bsize == dp->bsize) {
 134                 D.dqb_bsoftlimit = dp->softlimit;
 135                 D.dqb_bhardlimit = dp->hardlimit;
 136                 D.dqb_ihardlimit = dp->ihardlimit;
 137                 D.dqb_isoftlimit = dp->isoftlimit;
 138         } else {
 139                 D.dqb_bsoftlimit = (dp->softlimit*dp->bsize)/bsize;
 140                 D.dqb_bhardlimit = (dp->hardlimit*dp->bsize)/bsize;
 141                 D.dqb_ihardlimit = (dp->ihardlimit*dp->bsize)/bsize;
 142                 D.dqb_isoftlimit = (dp->isoftlimit*dp->bsize)/bsize;
 143         }
 144
 145         qflags = dp->qflags;
 146
 147         switch (qtype) {
 148                 case SMB_USER_QUOTA_TYPE:
 149                         /* we use id.uid == 0 for default quotas */
 150                         if (id.uid>0) {
 151                                 ret = quotactl(QCMD(Q_SETQLIM,USRQUOTA), bdev, id.uid, (CADDR_T)&D);
 152                         }
 153                         break;
 154 #ifdef HAVE_GROUP_QUOTA
 155                 case SMB_GROUP_QUOTA_TYPE:
 156                         ret = quotactl(QCMD(Q_SETQLIM,GRPQUOTA), bdev, id.gid, (CADDR_T)&D);
 157                         break;
 158 #endif /* HAVE_GROUP_QUOTA */
 159                 case SMB_USER_FS_QUOTA_TYPE:
 160                         /* this stuff didn't work as it should:
 161                          * switching on/off quota via quotactl()
 162                          * didn't work!
 163                          * So we only set the default limits
 164                          * --metze
 165                          *
 166                          * On HPUX we didn't have the mount path,
 167                          * we need to fix sys_path_to_bdev()
 168                          *
 169                          */
 170 #if 0
 171                         uid = getuid();
 172
 173                         ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, uid, (CADDR_T)&D);
 174
 175                         if ((qflags&QUOTAS_DENY_DISK)||(qflags&QUOTAS_ENABLED)) {
 176                                 if (ret == 0) {
 177                                         char *quota_file = NULL;
 178
 179                                         asprintf(&quota_file,"/%s/%s%s",path, QUOTAFILENAME,USERQUOTAFILE_EXTENSION);
 180                                         if (quota_file == NULL) {
 181                                                 DEBUG(0,("asprintf() failed!\n"));
 182                                                 errno = ENOMEM;
 183                                                 return -1;
 184                                         }
 185
 186                                         ret = quotactl(QCMD(Q_QUOTAON,USRQUOTA), bdev, -1,(CADDR_T)quota_file);
 187                                 } else {
 188                                         ret = 0;
 189                                 }
 190                         } else {
 191                                 if (ret != 0) {
 192                                         /* turn off */
 193                                         ret = quotactl(QCMD(Q_QUOTAOFF,USRQUOTA), bdev, -1, (CADDR_T)0);
 194                                 } else {
 195                                         ret = 0;
 196                                 }
 197                         }
 198
 199                         DEBUG(0,("vfs_fs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n",
 200                                 ret,errno,strerror(errno),uid,bdev));
 201 #endif
 202
 203                         /* we use uid == 0 for default quotas */
 204                         ret = quotactl(QCMD(Q_SETQLIM,USRQUOTA), bdev, 0, (CADDR_T)&D);
 205
 206                         break;
 207
 208                 default:
 209                         errno = ENOSYS;
 210                         return -1;
 211         }
 212
 213         return ret;
 214 }
 215
 216 /*#endif HAVE_QUOTACTL_4A */
 217 #elif defined(HAVE_QUOTACTL_4B)
 218
 219 #error HAVE_QUOTACTL_4B not implemeted
 220
 221 /*#endif HAVE_QUOTACTL_4B */
 222 #elif defined(HAVE_QUOTACTL_3)
 223
 224 #error HAVE_QUOTACTL_3 not implemented
 225
 226 /* #endif  HAVE_QUOTACTL_3 */
 227 #else /* NO_QUOTACTL_USED */
 228
 229 static int sys_get_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 230 {
 231         int ret = -1;
 232
 233         if (!path||!bdev||!dp)
 234                 smb_panic("sys_get_vfs_quota: called with NULL pointer");
 235
 236         errno = ENOSYS;
 237
 238         return ret;
 239 }
 240
 241 static int sys_set_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 242 {
 243         int ret = -1;
 244
 245         if (!path||!bdev||!dp)
 246                 smb_panic("sys_set_vfs_quota: called with NULL pointer");
 247
 248         errno = ENOSYS;
 249
 250         return ret;
 251 }
 252
 253 #endif /* NO_QUOTACTL_USED */
 254
 255 #ifdef HAVE_MNTENT
 256 static int sys_path_to_bdev(const char *path, char **mntpath, char **bdev, char **fs)
 257 {
 258         int ret = -1;
 259         SMB_STRUCT_STAT S;
 260         FILE *fp;
 261         struct mntent *mnt;
 262         SMB_DEV_T devno;
 263
 264         /* find the block device file */
 265
 266         if (!path||!mntpath||!bdev||!fs)
 267                 smb_panic("sys_path_to_bdev: called with NULL pointer");
 268
 269         (*mntpath) = NULL;
 270         (*bdev) = NULL;
 271         (*fs) = NULL;
 272
 273         if ( sys_stat(path, &S) == -1 )
 274                 return (-1);
 275
 276         devno = S.st_dev ;
 277
 278         fp = setmntent(MOUNTED,"r");
 279
 280         while ((mnt = getmntent(fp))) {
 281                 if ( sys_stat(mnt->mnt_dir,&S) == -1 )
 282                         continue ;
 283
 284                 if (S.st_dev == devno) {
 285                         (*mntpath) = strdup(mnt->mnt_dir);
 286                         (*bdev) = strdup(mnt->mnt_fsname);
 287                         (*fs)   = strdup(mnt->mnt_type);
 288                         if ((*mntpath)&&(*bdev)&&(*fs)) {
 289                                 ret = 0;
 290                         } else {
 291                                 SAFE_FREE(*mntpath);
 292                                 SAFE_FREE(*bdev);
 293                                 SAFE_FREE(*fs);
 294                                 ret = -1;
 295                         }
 296
 297                         break;
 298                 }
 299         }
 300
 301         endmntent(fp) ;
 302
 303         return ret;
 304 }
 305 /* #endif HAVE_MNTENT */
 306 #elif defined(HAVE_DEVNM)
 307
 308 /* we have this on HPUX, ... */
 309 static int sys_path_to_bdev(const char *path, char **mntpath, char **bdev, char **fs)
 310 {
 311         int ret = -1;
 312         char dev_disk[256];
 313         SMB_STRUCT_STAT S;
 314
 315         if (!path||!mntpath||!bdev||!fs)
 316                 smb_panic("sys_path_to_bdev: called with NULL pointer");
 317
 318         (*mntpath) = NULL;
 319         (*bdev) = NULL;
 320         (*fs) = NULL;
 321
 322         /* find the block device file */
 323
 324         if ((ret=sys_stat(path, &S))!=0) {
 325                 return ret;
 326         }
 327
 328         if ((ret=devnm(S_IFBLK, S.st_dev, dev_disk, 256, 1))!=0) {
 329                 return ret;
 330         }
 331
 332         /* we should get the mntpath right...
 333          * but I don't know how
 334          * --metze
 335          */
 336         (*mntpath) = strdup(path);
 337         (*bdev) = strdup(dev_disk);
 338         if ((*mntpath)&&(*bdev)) {
 339                 ret = 0;
 340         } else {
 341                 SAFE_FREE(*mntpath);
 342                 SAFE_FREE(*bdev);
 343                 ret = -1;
 344         }
 345
 346
 347         return ret;
 348 }
 349
 350 /* #endif HAVE_DEVNM */
 351 #else
 352 /* we should fake this up...*/
 353 static int sys_path_to_bdev(const char *path, char **mntpath, char **bdev, char **fs)
 354 {
 355         int ret = -1;
 356
 357         if (!path||!mntpath||!bdev||!fs)
 358                 smb_panic("sys_path_to_bdev: called with NULL pointer");
 359
 360         (*mntpath) = NULL;
 361         (*bdev) = NULL;
 362         (*fs) = NULL;
 363
 364         (*mntpath) = strdup(path);
 365         if (*mntpath) {
 366                 ret = 0;
 367         } else {
 368                 SAFE_FREE(*mntpath);
 369                 ret = -1;
 370         }
 371
 372         return ret;
 373 }
 374 #endif
 375
 376
 377 /*********************************************************
 378  if we have XFS QUOTAS we should use them
 379  *********************************************************/
 380 #ifdef HAVE_XFS_QUOTA
 381 /****************************************************************************
 382  Abstract out the XFS Quota Manager quota get call.
 383 ****************************************************************************/
 384 static int sys_get_xfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 385 {
 386         int ret;
 387         uint32 qflags = 0;
 388         SMB_BIG_UINT bsize = (SMB_BIG_UINT)BBSIZE;
 389         struct fs_disk_quota D;
 390         struct fs_quota_stat F;
 391         ZERO_STRUCT(D);
 392         ZERO_STRUCT(F);
 393
 394         if (!bdev||!dp)
 395                 smb_panic("sys_get_xfs_quota: called with NULL pointer");
 396
 397         ZERO_STRUCT(*dp);
 398         dp->qtype = qtype;
 399
 400         switch (qtype) {
 401                 case SMB_USER_QUOTA_TYPE:
 402                         /* we use id.uid == 0 for default quotas */
 403                         if (id.uid == 0) {
 404                                 ret = 0;
 405                                 break;
 406                         }
 407                         if ((ret=quotactl(QCMD(Q_XGETQUOTA,USRQUOTA), bdev, id.uid, (CADDR_T)&D)))
 408                                 return ret;
 409                         break;
 410 #ifdef HAVE_GROUP_QUOTA
 411                 case SMB_GROUP_QUOTA_TYPE:
 412                         if ((ret=quotactl(QCMD(Q_XGETQUOTA,GRPQUOTA), bdev, id.gid, (CADDR_T)&D)))
 413                                 return ret;
 414                         break;
 415 #endif /* HAVE_GROUP_QUOTA */
 416                 case SMB_USER_FS_QUOTA_TYPE:
 417                         /* TODO: get quota status from quotactl() ... */
 418                         if ((ret = quotactl(QCMD(Q_XGETQSTAT,USRQUOTA), bdev, -1, (CADDR_T)&F)))
 419                                 return ret;
 420
 421                         if (F.qs_flags & XFS_QUOTA_UDQ_ENFD) {
 422                                 qflags |= QUOTAS_DENY_DISK;
 423                         }
 424                         else if (F.qs_flags & XFS_QUOTA_UDQ_ACCT) {
 425                                 qflags |= QUOTAS_ENABLED;
 426                         }
 427
 428                         /* we use uid == 0 for default quotas */
 429                         if ((ret=quotactl(QCMD(Q_XGETQUOTA,USRQUOTA), bdev, 0, (CADDR_T)&D)))
 430                                 return ret;
 431
 432                         break;
 433                 default:
 434                         errno = ENOSYS;
 435                         return -1;
 436         }
 437
 438         dp->bsize = bsize;
 439         dp->softlimit = (SMB_BIG_UINT)D.d_blk_softlimit;
 440         dp->hardlimit = (SMB_BIG_UINT)D.d_blk_hardlimit;
 441         dp->ihardlimit = (SMB_BIG_UINT)D.d_ino_hardlimit;
 442         dp->isoftlimit = (SMB_BIG_UINT)D.d_ino_softlimit;
 443         dp->curinodes = (SMB_BIG_UINT)D.d_icount;
 444         dp->curblocks = (SMB_BIG_UINT)D.d_bcount;
 445         dp->qflags = qflags;
 446
 447         return ret;
 448 }
 449
 450 /****************************************************************************
 451  Abstract out the XFS Quota Manager quota set call.
 452 ****************************************************************************/
 453 static int sys_set_xfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 454 {
 455         int ret = -1;
 456         uint32 qflags = 0;
 457         SMB_BIG_UINT bsize = (SMB_BIG_UINT)BBSIZE;
 458         struct fs_disk_quota D;
 459         struct fs_quota_stat F;
 460         int q_on = 0;
 461         int q_off = 0;
 462         ZERO_STRUCT(D);
 463         ZERO_STRUCT(F);
 464
 465         if (!bdev||!dp)
 466                 smb_panic("sys_set_xfs_quota: called with NULL pointer");
 467
 468         if (bsize == dp->bsize) {
 469                 D.d_blk_softlimit = dp->softlimit;
 470                 D.d_blk_hardlimit = dp->hardlimit;
 471                 D.d_ino_hardlimit = dp->ihardlimit;
 472                 D.d_ino_softlimit = dp->isoftlimit;
 473         } else {
 474                 D.d_blk_softlimit = (dp->softlimit*dp->bsize)/bsize;
 475                 D.d_blk_hardlimit = (dp->hardlimit*dp->bsize)/bsize;
 476                 D.d_ino_hardlimit = (dp->ihardlimit*dp->bsize)/bsize;
 477                 D.d_ino_softlimit = (dp->isoftlimit*dp->bsize)/bsize;
 478         }
 479
 480         qflags = dp->qflags;
 481
 482         switch (qtype) {
 483                 case SMB_USER_QUOTA_TYPE:
 484                         /* we use uid == 0 for default quotas */
 485                         if (id.uid>0) {
 486                                 D.d_fieldmask |= FS_DQ_LIMIT_MASK;
 487                                 ret = quotactl(QCMD(Q_XSETQLIM,USRQUOTA), bdev, id.uid, (CADDR_T)&D);
 488                         }
 489                         break;
 490 #ifdef HAVE_GROUP_QUOTA
 491                 case SMB_GROUP_QUOTA_TYPE:
 492                         D.d_fieldmask |= FS_DQ_LIMIT_MASK;
 493                         ret = quotactl(QCMD(Q_XSETQLIM,GRPQUOTA), bdev, id.gid, (CADDR_T)&D);
 494                         break;
 495 #endif /* HAVE_GROUP_QUOTA */
 496                 case SMB_USER_FS_QUOTA_TYPE:
 497                         /* TODO */
 498                         quotactl(QCMD(Q_XGETQSTAT,USRQUOTA), bdev, -1, (CADDR_T)&F);
 499
 500                         if (qflags & QUOTAS_DENY_DISK) {
 501                                 if (!(F.qs_flags & XFS_QUOTA_UDQ_ENFD))
 502                                         q_on |= XFS_QUOTA_UDQ_ENFD;
 503                                 if (!(F.qs_flags & XFS_QUOTA_UDQ_ACCT))
 504                                         q_on |= XFS_QUOTA_UDQ_ACCT;
 505
 506                                 if (q_on != 0) {
 507                                         ret = quotactl(QCMD(Q_XQUOTAON,USRQUOTA),bdev, -1, (CADDR_T)&q_on);
 508                                 }
 509
 510                         } else if (qflags & QUOTAS_ENABLED) {
 511                                 if (F.qs_flags & XFS_QUOTA_UDQ_ENFD)
 512                                         q_off |= XFS_QUOTA_UDQ_ENFD;
 513
 514                                 if (q_off != 0) {
 515                                         ret = quotactl(QCMD(Q_XQUOTAOFF,USRQUOTA),bdev, -1, (CADDR_T)&q_off);
 516                                 }
 517
 518                                 if (!(F.qs_flags & XFS_QUOTA_UDQ_ACCT))
 519                                         q_on |= XFS_QUOTA_UDQ_ACCT;
 520
 521                                 if (q_on != 0) {
 522                                         ret = quotactl(QCMD(Q_XQUOTAON,USRQUOTA),bdev, -1, (CADDR_T)&q_on);
 523                                 }
 524                         } else {
 525 #if 0
 526                         /* Switch on XFS_QUOTA_UDQ_ACCT didn't work!
 527                          * only swittching off XFS_QUOTA_UDQ_ACCT work
 528                          */
 529                                 if (F.qs_flags & XFS_QUOTA_UDQ_ENFD)
 530                                         q_off |= XFS_QUOTA_UDQ_ENFD;
 531                                 if (F.qs_flags & XFS_QUOTA_UDQ_ACCT)
 532                                         q_off |= XFS_QUOTA_UDQ_ACCT;
 533
 534                                 if (q_off !=0) {
 535                                         ret = quotactl(QCMD(Q_XQUOTAOFF,USRQUOTA),bdev, -1, (CADDR_T)&q_off);
 536                                 }
 537 #endif
 538                         }
 539
 540                         /* we use uid == 0 for default quotas */
 541                         D.d_fieldmask |= FS_DQ_LIMIT_MASK;
 542                         ret = quotactl(QCMD(Q_XSETQLIM,USRQUOTA), bdev, 0, (CADDR_T)&D);
 543                         break;
 544                 default:
 545                         errno = ENOSYS;
 546                         return -1;
 547         }
 548
 549         return ret;
 550 }
 551 #endif /* HAVE_XFS_QUOTA */
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567 /*********************************************************************
 568  Now the list of all filesystem specific quota systems we have found
 569 **********************************************************************/
 570 static struct {
 571         const char *name;
 572         int (*get_quota)(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp);
 573         int (*set_quota)(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp);
 574 } sys_quota_backends[] = {
 575 #ifdef HAVE_XFS_QUOTA
 576         {"xfs", sys_get_xfs_quota,      sys_set_xfs_quota},
 577 #endif /* HAVE_XFS_QUOTA */
 578         {NULL,  NULL,                   NULL}
 579 };
 580
 581 static int command_get_quota(const char *path, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 582 {
 583         const char *get_quota_command;
 584
 585         get_quota_command = lp_get_quota_command();
 586         if (get_quota_command && *get_quota_command) {
 587                 const char *p;
 588                 char *p2;
 589                 char **lines;
 590                 pstring syscmd;
 591                 int _id = -1;
 592
 593                 switch(qtype) {
 594                         case SMB_USER_QUOTA_TYPE:
 595                         case SMB_USER_FS_QUOTA_TYPE:
 596                                 _id = id.uid;
 597                                 break;
 598                         case SMB_GROUP_QUOTA_TYPE:
 599                         case SMB_GROUP_FS_QUOTA_TYPE:
 600                                 _id = id.gid;
 601                                 break;
 602                         default:
 603                                 DEBUG(0,("invalid quota type.\n"));
 604                                 return -1;
 605                 }
 606
 607                 slprintf(syscmd, sizeof(syscmd)-1,
 608                         "%s \"%s\" %d %d",
 609                         get_quota_command, path, qtype, _id);
 610
 611                 DEBUG (3, ("get_quota: Running command %s\n", syscmd));
 612
 613                 lines = file_lines_pload(syscmd, NULL);
 614                 if (lines) {
 615                         char *line = lines[0];
 616
 617                         DEBUG (3, ("Read output from get_quota, \"r%s\"\n", line));
 618
 619                         /* we need to deal with long long unsigned here, if supported */
 620
 621                         dp->qflags = (enum SMB_QUOTA_TYPE)strtoul(line, &p2, 10);
 622                         p = p2;
 623                         while (p && *p && isspace(*p))
 624                                 p++;
 625                         if (p && *p)
 626                                 dp->curblocks = STR_TO_SMB_BIG_UINT(p, &p);
 627                         else
 628                                 goto invalid_param;
 629                         while (p && *p && isspace(*p))
 630                                 p++;
 631                         if (p && *p)
 632                                 dp->softlimit = STR_TO_SMB_BIG_UINT(p, &p);
 633                         else
 634                                 goto invalid_param;
 635                         while (p && *p && isspace(*p))
 636                                 p++;
 637                         if (p && *p)
 638                                 dp->hardlimit = STR_TO_SMB_BIG_UINT(p, &p);
 639                         else
 640                                 goto invalid_param;
 641                         while (p && *p && isspace(*p))
 642                                 p++;
 643                         if (p && *p)
 644                                 dp->curinodes = STR_TO_SMB_BIG_UINT(p, &p);
 645                         else
 646                                 goto invalid_param;
 647                         while (p && *p && isspace(*p))
 648                                 p++;
 649                         if (p && *p)
 650                                 dp->isoftlimit = STR_TO_SMB_BIG_UINT(p, &p);
 651                         else
 652                                 goto invalid_param;
 653                         while (p && *p && isspace(*p))
 654                                 p++;
 655                         if (p && *p)
 656                                 dp->ihardlimit = STR_TO_SMB_BIG_UINT(p, &p);
 657                         else
 658                                 goto invalid_param;
 659                         while (p && *p && isspace(*p))
 660                                 p++;
 661                         if (p && *p)
 662                                 dp->bsize = STR_TO_SMB_BIG_UINT(p, NULL);
 663                         else
 664                                 dp->bsize = 1024;
 665                         file_lines_free(lines);
 666                         DEBUG (3, ("Parsed output of get_quota, ...\n"));
 667
 668 #ifdef LARGE_SMB_OFF_T
 669                         DEBUGADD (5,(
 670                                 "qflags:%u curblocks:%llu softlimit:%llu hardlimit:%llu\n"
 671                                 "curinodes:%llu isoftlimit:%llu ihardlimit:%llu bsize:%llu\n",
 672                                 dp->qflags,(long long unsigned)dp->curblocks,
 673                                 (long long unsigned)dp->softlimit,(long long unsigned)dp->hardlimit,
 674                                 (long long unsigned)dp->curinodes,
 675                                 (long long unsigned)dp->isoftlimit,(long long unsigned)dp->ihardlimit,
 676                                 (long long unsigned)dp->bsize));
 677 #else /* LARGE_SMB_OFF_T */
 678                         DEBUGADD (5,(
 679                                 "qflags:%u curblocks:%lu softlimit:%lu hardlimit:%lu\n"
 680                                 "curinodes:%lu isoftlimit:%lu ihardlimit:%lu bsize:%lu\n",
 681                                 dp->qflags,(long unsigned)dp->curblocks,
 682                                 (long unsigned)dp->softlimit,(long unsigned)dp->hardlimit,
 683                                 (long unsigned)dp->curinodes,
 684                                 (long unsigned)dp->isoftlimit,(long unsigned)dp->ihardlimit,
 685                                 (long unsigned)dp->bsize));
 686 #endif /* LARGE_SMB_OFF_T */
 687                         return 0;
 688                 }
 689
 690                 DEBUG (0, ("get_quota_command failed!\n"));
 691                 return -1;
 692         }
 693
 694         errno = ENOSYS;
 695         return -1;
 696
 697 invalid_param:
 698         DEBUG(0,("The output of get_quota_command is invalid!\n"));
 699         return -1;
 700 }
 701
 702 static int command_set_quota(const char *path, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 703 {
 704         const char *set_quota_command;
 705
 706         set_quota_command = lp_set_quota_command();
 707         if (set_quota_command && *set_quota_command) {
 708                 char **lines;
 709                 pstring syscmd;
 710                 int _id = -1;
 711
 712                 switch(qtype) {
 713                         case SMB_USER_QUOTA_TYPE:
 714                         case SMB_USER_FS_QUOTA_TYPE:
 715                                 _id = id.uid;
 716                                 break;
 717                         case SMB_GROUP_QUOTA_TYPE:
 718                         case SMB_GROUP_FS_QUOTA_TYPE:
 719                                 _id = id.gid;
 720                                 break;
 721                         default:
 722                                 return -1;
 723                 }
 724
 725 #ifdef LARGE_SMB_OFF_T
 726                 slprintf(syscmd, sizeof(syscmd)-1,
 727                         "%s \"%s\" %d %d "
 728                         "%u %llu %llu "
 729                         "%llu %llu %llu ",
 730                         set_quota_command, path, qtype, _id, dp->qflags,
 731                         (long long unsigned)dp->softlimit,(long long unsigned)dp->hardlimit,
 732                         (long long unsigned)dp->isoftlimit,(long long unsigned)dp->ihardlimit,
 733                         (long long unsigned)dp->bsize);
 734 #else /* LARGE_SMB_OFF_T */
 735                 slprintf(syscmd, sizeof(syscmd)-1,
 736                         "%s \"%s\" %d %d "
 737                         "%u %lu %lu "
 738                         "%lu %lu %lu ",
 739                         set_quota_command, path, qtype, _id, dp->qflags,
 740                         (long unsigned)dp->softlimit,(long unsigned)dp->hardlimit,
 741                         (long unsigned)dp->isoftlimit,(long unsigned)dp->ihardlimit,
 742                         (long unsigned)dp->bsize);
 743 #endif /* LARGE_SMB_OFF_T */
 744
 745
 746
 747                 DEBUG (3, ("get_quota: Running command %s\n", syscmd));
 748
 749                 lines = file_lines_pload(syscmd, NULL);
 750                 if (lines) {
 751                         char *line = lines[0];
 752
 753                         DEBUG (3, ("Read output from set_quota, \"%s\"\n", line));
 754
 755                         file_lines_free(lines);
 756
 757                         return 0;
 758                 }
 759                 DEBUG (0, ("set_quota_command failed!\n"));
 760                 return -1;
 761         }
 762
 763         errno = ENOSYS;
 764         return -1;
 765 }
 766
 767 int sys_get_quota(const char *path, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 768 {
 769         int ret = -1;
 770         int i;
 771         BOOL ready = False;
 772         char *mntpath = NULL;
 773         char *bdev = NULL;
 774         char *fs = NULL;
 775
 776         if (!path||!dp)
 777                 smb_panic("sys_get_quota: called with NULL pointer");
 778
 779         if (command_get_quota(path, qtype, id, dp)==0) {
 780                 return 0;
 781         } else if (errno != ENOSYS) {
 782                 return -1;
 783         }
 784
 785         if ((ret=sys_path_to_bdev(path,&mntpath,&bdev,&fs))!=0) {
 786                 return ret;
 787         }
 788
 789         for (i=0;(fs && sys_quota_backends[i].name && sys_quota_backends[i].get_quota);i++) {
 790                 if (strcmp(fs,sys_quota_backends[i].name)==0) {
 791                         ret = sys_quota_backends[i].get_quota(mntpath, bdev, qtype, id, dp);
 792                         ready = True;
 793                         break;
 794                 }
 795         }
 796
 797         if (!ready) {
 798                 /* use the default vfs quota functions */
 799                 ret = sys_get_vfs_quota(mntpath, bdev, qtype, id, dp);
 800         }
 801
 802         SAFE_FREE(mntpath);
 803         SAFE_FREE(bdev);
 804         SAFE_FREE(fs);
 805
 806         if ((ret!=0)&& (errno == EDQUOT)) {
 807                 return 0;
 808         }
 809
 810         return ret;
 811 }
 812
 813 int sys_set_quota(const char *path, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 814 {
 815         int ret = -1;
 816         int i;
 817         BOOL ready = False;
 818         char *mntpath = NULL;
 819         char *bdev = NULL;
 820         char *fs = NULL;
 821
 822         /* find the block device file */
 823
 824         if (!path||!dp)
 825                 smb_panic("get_smb_quota: called with NULL pointer");
 826
 827         if (command_set_quota(path, qtype, id, dp)==0) {
 828                 return 0;
 829         } else if (errno != ENOSYS) {
 830                 return -1;
 831         }
 832
 833         if ((ret=sys_path_to_bdev(path,&mntpath,&bdev,&fs))!=0) {
 834                 return ret;
 835         }
 836
 837         for (i=0;(fs && sys_quota_backends[i].name && sys_quota_backends[i].set_quota);i++) {
 838                 if (strcmp(fs,sys_quota_backends[i].name)==0) {
 839                         ret = sys_quota_backends[i].set_quota(mntpath, bdev, qtype, id, dp);
 840                         ready = True;
 841                         break;
 842                 }
 843         }
 844
 845         if (!ready) {
 846                 /* use the default vfs quota functions */
 847                 ret=sys_set_vfs_quota(mntpath, bdev, qtype, id, dp);
 848         }
 849
 850         SAFE_FREE(mntpath);
 851         SAFE_FREE(bdev);
 852         SAFE_FREE(fs);
 853
 854         if ((ret!=0)&& (errno == EDQUOT)) {
 855                 return 0;
 856         }
 857
 858         return ret;
 859 }
 860
 861 #else /* HAVE_SYS_QUOTAS */
 862  void dummy_sysquotas_c(void)
 863 {
 864         return;
 865 }
 866 #endif /* HAVE_SYS_QUOTAS */
 867
 868 #else /* ! AUTOCONF_TEST */
 869 /* this is the autoconf driver to test witch quota system we should use */
 870
 871 #if defined(HAVE_QUOTACTL_4A)
 872 /* long quotactl(int cmd, char *special, qid_t id, caddr_t addr) */
 873
 874 #ifdef HAVE_SYS_TYPES_H
 875 #include <sys/types.h>
 876 #endif
 877
 878 #ifdef HAVE_ASM_TYPES_H
 879 #include <asm/types.h>
 880 #endif
 881
 882 #if defined(HAVE_LINUX_QUOTA_H)
 883 # include <linux/quota.h>
 884 # if defined(HAVE_STRUCT_IF_DQBLK)
 885 #  define SYS_DQBLK if_dqblk
 886 # elif defined(HAVE_STRUCT_MEM_DQBLK)
 887 #  define SYS_DQBLK mem_dqblk
 888 # endif
 889 #elif defined(HAVE_SYS_QUOTA_H)
 890 # include <sys/quota.h>
 891 #endif
 892
 893 #ifndef SYS_DQBLK
 894 #define SYS_DQBLK dqblk
 895 #endif
 896
 897  int autoconf_quota(void)
 898 {
 899         int ret = -1;
 900         struct SYS_DQBLK D;
 901
 902         ret = quotactl(Q_GETQUOTA,"/dev/hda1",0,(void *)&D);
 903
 904         return ret;
 905 }
 906
 907 #elif defined(HAVE_QUOTACTL_4B)
 908 /* int quotactl(const char *path, int cmd, int id, char *addr); */
 909
 910 #ifdef HAVE_SYS_QUOTA_H
 911 #include <sys/quota.h>
 912 #else /* *BSD */
 913 #include <sys/types.h>
 914 #include <ufs/ufs/quota.h>
 915 #include <machine/param.h>
 916 #endif
 917
 918  int autoconf_quota(void)
 919 {
 920         int ret = -1;
 921         struct dqblk D;
 922
 923         ret = quotactl("/",Q_GETQUOTA,0,(char *) &D);
 924
 925         return ret;
 926 }
 927
 928 #elif defined(HAVE_QUOTACTL_3)
 929 /* int quotactl (char *spec, int request, char *arg); */
 930
 931 #ifdef HAVE_SYS_TYPES_H
 932 #include <sys/types.h>
 933 #endif
 934 #ifdef HAVE_SYS_QUOTA_H
 935 #include <sys/quota.h>
 936 #endif
 937
 938  int autoconf_quota(void)
 939 {
 940         int ret = -1;
 941         struct q_request request;
 942
 943         ret = quotactl("/", Q_GETQUOTA, &request);
 944
 945         return ret;
 946 }
 947
 948 #elif defined(HAVE_QUOTACTL_2)
 949
 950 #error HAVE_QUOTACTL_2 not implemented
 951
 952 #else
 953
 954 #error Unknow QUOTACTL prototype
 955
 956 #endif
 957
 958  int main(void)
 959 {
 960         autoconf_quota();
 961         return 0;
 962 }
 963 #endif /* AUTOCONF_TEST */