source/lib/sysquotas_xfs.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    System QUOTA function wrappers for XFS
   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 3 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, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20
  21 #include "includes.h"
  22
  23 #undef DBGC_CLASS
  24 #define DBGC_CLASS DBGC_QUOTA
  25
  26 #ifndef HAVE_SYS_QUOTAS
  27 #ifdef HAVE_XFS_QUOTAS
  28 #undef HAVE_XFS_QUOTAS
  29 #endif
  30 #endif
  31
  32 #ifdef HAVE_XFS_QUOTAS
  33
  34 #ifdef HAVE_LINUX_XFS_QUOTAS
  35 #include "samba_linux_quota.h"
  36 #ifdef HAVE_LINUX_DQBLK_XFS_H
  37 #include <linux/dqblk_xfs.h>
  38 #endif
  39 #define HAVE_GROUP_QUOTA
  40 #else /* IRIX */
  41 #include <sys/quota.h>
  42 #endif
  43
  44 /* on IRIX */
  45 #ifndef Q_XQUOTAON
  46 #define Q_XQUOTAON Q_QUOTAON
  47 #endif /* Q_XQUOTAON */
  48 #ifndef Q_XQUOTAOFF
  49 #define Q_XQUOTAOFF Q_QUOTAOFF
  50 #endif /* Q_XQUOTAOFF */
  51 #ifndef Q_XGETQSTAT
  52 #define Q_XGETQSTAT Q_GETQSTAT
  53 #endif /* Q_XGETQSTAT */
  54
  55 /* currently doesn't support Group and Project quotas on IRIX
  56  */
  57
  58 #ifndef QCMD
  59 #define QCMD(x,y) x
  60 #endif
  61
  62 /*
  63  * IRIX has BBSIZE in <sys/param.h>
  64  */
  65 #ifndef BBSHIFT
  66 #define BBSHIFT         9
  67 #endif /* BBSHIFT */
  68 #ifndef BBSIZE
  69 #define BBSIZE          (1<<BBSHIFT)
  70 #endif /* BBSIZE */
  71
  72 /****************************************************************************
  73  Abstract out the XFS Quota Manager quota get call.
  74 ****************************************************************************/
  75 int sys_get_xfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
  76 {
  77         int ret = -1;
  78         uint32 qflags = 0;
  79         SMB_BIG_UINT bsize = (SMB_BIG_UINT)BBSIZE;
  80         struct fs_disk_quota D;
  81         struct fs_quota_stat F;
  82         ZERO_STRUCT(D);
  83         ZERO_STRUCT(F);
  84
  85         if (!bdev||!dp)
  86                 smb_panic("sys_get_xfs_quota: called with NULL pointer");
  87
  88         ZERO_STRUCT(*dp);
  89         dp->qtype = qtype;
  90
  91         switch (qtype) {
  92                 case SMB_USER_QUOTA_TYPE:
  93                         DEBUG(10,("sys_get_xfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
  94                                 path, bdev, (unsigned)id.uid));
  95
  96                         if ((ret=quotactl(QCMD(Q_XGETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D)))
  97                                 return ret;
  98                         break;
  99 #ifdef HAVE_GROUP_QUOTA
 100                 case SMB_GROUP_QUOTA_TYPE:
 101                         DEBUG(10,("sys_get_xfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 102                                 path, bdev, (unsigned)id.gid));
 103
 104                         if ((ret=quotactl(QCMD(Q_XGETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D)))
 105                                 return ret;
 106                         break;
 107 #endif /* HAVE_GROUP_QUOTA */
 108                 case SMB_USER_FS_QUOTA_TYPE:
 109                         DEBUG(10,("sys_get_xfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 110                                 path, bdev, (unsigned)id.uid));
 111
 112                         quotactl(QCMD(Q_XGETQSTAT,USRQUOTA), bdev, -1, (caddr_t)&F);
 113
 114                         if (F.qs_flags & XFS_QUOTA_UDQ_ENFD) {
 115                                 qflags |= QUOTAS_DENY_DISK;
 116                         }
 117                         else if (F.qs_flags & XFS_QUOTA_UDQ_ACCT) {
 118                                 qflags |= QUOTAS_ENABLED;
 119                         }
 120
 121                         ret = 0;
 122
 123                         break;
 124 #ifdef HAVE_GROUP_QUOTA
 125                 case SMB_GROUP_FS_QUOTA_TYPE:
 126                         DEBUG(10,("sys_get_xfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 127                                 path, bdev, (unsigned)id.gid));
 128
 129                         quotactl(QCMD(Q_XGETQSTAT,GRPQUOTA), bdev, -1, (caddr_t)&F);
 130
 131                         if (F.qs_flags & XFS_QUOTA_GDQ_ENFD) {
 132                                 qflags |= QUOTAS_DENY_DISK;
 133                         }
 134                         else if (F.qs_flags & XFS_QUOTA_GDQ_ACCT) {
 135                                 qflags |= QUOTAS_ENABLED;
 136                         }
 137
 138                         ret = 0;
 139
 140                         break;
 141 #endif /* HAVE_GROUP_QUOTA */
 142                 default:
 143                         errno = ENOSYS;
 144                         return -1;
 145         }
 146
 147         dp->bsize = bsize;
 148         dp->softlimit = (SMB_BIG_UINT)D.d_blk_softlimit;
 149         dp->hardlimit = (SMB_BIG_UINT)D.d_blk_hardlimit;
 150         dp->ihardlimit = (SMB_BIG_UINT)D.d_ino_hardlimit;
 151         dp->isoftlimit = (SMB_BIG_UINT)D.d_ino_softlimit;
 152         dp->curinodes = (SMB_BIG_UINT)D.d_icount;
 153         dp->curblocks = (SMB_BIG_UINT)D.d_bcount;
 154         dp->qflags = qflags;
 155
 156         return ret;
 157 }
 158
 159 /****************************************************************************
 160  Abstract out the XFS Quota Manager quota set call.
 161 ****************************************************************************/
 162 int sys_set_xfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 163 {
 164         int ret = -1;
 165         uint32 qflags = 0;
 166         SMB_BIG_UINT bsize = (SMB_BIG_UINT)BBSIZE;
 167         struct fs_disk_quota D;
 168         struct fs_quota_stat F;
 169         int q_on = 0;
 170         int q_off = 0;
 171         ZERO_STRUCT(D);
 172         ZERO_STRUCT(F);
 173
 174         if (!bdev||!dp)
 175                 smb_panic("sys_set_xfs_quota: called with NULL pointer");
 176
 177         if (bsize == dp->bsize) {
 178                 D.d_blk_softlimit = dp->softlimit;
 179                 D.d_blk_hardlimit = dp->hardlimit;
 180                 D.d_ino_hardlimit = dp->ihardlimit;
 181                 D.d_ino_softlimit = dp->isoftlimit;
 182         } else {
 183                 D.d_blk_softlimit = (dp->softlimit*dp->bsize)/bsize;
 184                 D.d_blk_hardlimit = (dp->hardlimit*dp->bsize)/bsize;
 185                 D.d_ino_hardlimit = (dp->ihardlimit*dp->bsize)/bsize;
 186                 D.d_ino_softlimit = (dp->isoftlimit*dp->bsize)/bsize;
 187         }
 188
 189         qflags = dp->qflags;
 190
 191         switch (qtype) {
 192                 case SMB_USER_QUOTA_TYPE:
 193                         DEBUG(10,("sys_set_xfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
 194                                 path, bdev, (unsigned)id.uid));
 195
 196                         D.d_fieldmask |= FS_DQ_LIMIT_MASK;
 197                         ret = quotactl(QCMD(Q_XSETQLIM,USRQUOTA), bdev, id.uid, (caddr_t)&D);
 198                         break;
 199 #ifdef HAVE_GROUP_QUOTA
 200                 case SMB_GROUP_QUOTA_TYPE:
 201                         DEBUG(10,("sys_set_xfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 202                                 path, bdev, (unsigned)id.gid));
 203
 204                         D.d_fieldmask |= FS_DQ_LIMIT_MASK;
 205                         ret = quotactl(QCMD(Q_XSETQLIM,GRPQUOTA), bdev, id.gid, (caddr_t)&D);
 206                         break;
 207 #endif /* HAVE_GROUP_QUOTA */
 208                 case SMB_USER_FS_QUOTA_TYPE:
 209                         DEBUG(10,("sys_set_xfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 210                                 path, bdev, (unsigned)id.uid));
 211
 212                         quotactl(QCMD(Q_XGETQSTAT,USRQUOTA), bdev, -1, (caddr_t)&F);
 213
 214                         if (qflags & QUOTAS_DENY_DISK) {
 215                                 if (!(F.qs_flags & XFS_QUOTA_UDQ_ENFD))
 216                                         q_on |= XFS_QUOTA_UDQ_ENFD;
 217                                 if (!(F.qs_flags & XFS_QUOTA_UDQ_ACCT))
 218                                         q_on |= XFS_QUOTA_UDQ_ACCT;
 219
 220                                 if (q_on != 0) {
 221                                         ret = quotactl(QCMD(Q_XQUOTAON,USRQUOTA),bdev, -1, (caddr_t)&q_on);
 222                                 } else {
 223                                         ret = 0;
 224                                 }
 225
 226                         } else if (qflags & QUOTAS_ENABLED) {
 227                                 if (F.qs_flags & XFS_QUOTA_UDQ_ENFD)
 228                                         q_off |= XFS_QUOTA_UDQ_ENFD;
 229
 230                                 if (q_off != 0) {
 231                                         ret = quotactl(QCMD(Q_XQUOTAOFF,USRQUOTA),bdev, -1, (caddr_t)&q_off);
 232                                 } else {
 233                                         ret = 0;
 234                                 }
 235
 236                                 if (!(F.qs_flags & XFS_QUOTA_UDQ_ACCT))
 237                                         q_on |= XFS_QUOTA_UDQ_ACCT;
 238
 239                                 if (q_on != 0) {
 240                                         ret = quotactl(QCMD(Q_XQUOTAON,USRQUOTA),bdev, -1, (caddr_t)&q_on);
 241                                 } else {
 242                                         ret = 0;
 243                                 }
 244                         } else {
 245 #if 0
 246                         /* Switch on XFS_QUOTA_UDQ_ACCT didn't work!
 247                          * only swittching off XFS_QUOTA_UDQ_ACCT work
 248                          */
 249                                 if (F.qs_flags & XFS_QUOTA_UDQ_ENFD)
 250                                         q_off |= XFS_QUOTA_UDQ_ENFD;
 251                                 if (F.qs_flags & XFS_QUOTA_UDQ_ACCT)
 252                                         q_off |= XFS_QUOTA_UDQ_ACCT;
 253
 254                                 if (q_off !=0) {
 255                                         ret = quotactl(QCMD(Q_XQUOTAOFF,USRQUOTA),bdev, -1, (caddr_t)&q_off);
 256                                 } else {
 257                                         ret = 0;
 258                                 }
 259 #else
 260                                 ret = -1;
 261 #endif
 262                         }
 263
 264                         break;
 265 #ifdef HAVE_GROUP_QUOTA
 266                 case SMB_GROUP_FS_QUOTA_TYPE:
 267                         DEBUG(10,("sys_set_xfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 268                                 path, bdev, (unsigned)id.gid));
 269
 270                         quotactl(QCMD(Q_XGETQSTAT,GRPQUOTA), bdev, -1, (caddr_t)&F);
 271
 272                         if (qflags & QUOTAS_DENY_DISK) {
 273                                 if (!(F.qs_flags & XFS_QUOTA_GDQ_ENFD))
 274                                         q_on |= XFS_QUOTA_GDQ_ENFD;
 275                                 if (!(F.qs_flags & XFS_QUOTA_GDQ_ACCT))
 276                                         q_on |= XFS_QUOTA_GDQ_ACCT;
 277
 278                                 if (q_on != 0) {
 279                                         ret = quotactl(QCMD(Q_XQUOTAON,GRPQUOTA),bdev, -1, (caddr_t)&q_on);
 280                                 } else {
 281                                         ret = 0;
 282                                 }
 283
 284                         } else if (qflags & QUOTAS_ENABLED) {
 285                                 if (F.qs_flags & XFS_QUOTA_GDQ_ENFD)
 286                                         q_off |= XFS_QUOTA_GDQ_ENFD;
 287
 288                                 if (q_off != 0) {
 289                                         ret = quotactl(QCMD(Q_XQUOTAOFF,GRPQUOTA),bdev, -1, (caddr_t)&q_off);
 290                                 } else {
 291                                         ret = 0;
 292                                 }
 293
 294                                 if (!(F.qs_flags & XFS_QUOTA_GDQ_ACCT))
 295                                         q_on |= XFS_QUOTA_GDQ_ACCT;
 296
 297                                 if (q_on != 0) {
 298                                         ret = quotactl(QCMD(Q_XQUOTAON,GRPQUOTA),bdev, -1, (caddr_t)&q_on);
 299                                 } else {
 300                                         ret = 0;
 301                                 }
 302                         } else {
 303 #if 0
 304                         /* Switch on XFS_QUOTA_UDQ_ACCT didn't work!
 305                          * only swittching off XFS_QUOTA_UDQ_ACCT work
 306                          */
 307                                 if (F.qs_flags & XFS_QUOTA_GDQ_ENFD)
 308                                         q_off |= XFS_QUOTA_GDQ_ENFD;
 309                                 if (F.qs_flags & XFS_QUOTA_GDQ_ACCT)
 310                                         q_off |= XFS_QUOTA_GDQ_ACCT;
 311
 312                                 if (q_off !=0) {
 313                                         ret = quotactl(QCMD(Q_XQUOTAOFF,GRPQUOTA),bdev, -1, (caddr_t)&q_off);
 314                                 } else {
 315                                         ret = 0;
 316                                 }
 317 #else
 318                                 ret = -1;
 319 #endif
 320                         }
 321
 322                         break;
 323 #endif /* HAVE_GROUP_QUOTA */
 324                 default:
 325                         errno = ENOSYS;
 326                         return -1;
 327         }
 328
 329         return ret;
 330 }
 331
 332 #else /* HAVE_XFS_QUOTAS */
 333  void dummy_sysquotas_xfs(void);
 334
 335  void dummy_sysquotas_xfs(void){}
 336 #endif /* HAVE_XFS_QUOTAS */