release/src/router/samba3/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 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 #include "includes.h"
  23
  24 #undef DBGC_CLASS
  25 #define DBGC_CLASS DBGC_QUOTA
  26
  27 #ifndef HAVE_SYS_QUOTAS
  28 #ifdef HAVE_XFS_QUOTAS
  29 #undef HAVE_XFS_QUOTAS
  30 #endif
  31 #endif
  32
  33 #ifdef HAVE_XFS_QUOTAS
  34
  35 #ifdef HAVE_LINUX_XFS_QUOTAS
  36 #include "samba_linux_quota.h"
  37 #include "samba_xfs_quota.h"
  38 #define HAVE_GROUP_QUOTA
  39 #else /* IRIX */
  40 #include <sys/quota.h>
  41 #endif
  42
  43 /* on IRIX */
  44 #ifndef Q_XQUOTAON
  45 #define Q_XQUOTAON Q_QUOTAON
  46 #endif /* Q_XQUOTAON */
  47 #ifndef Q_XQUOTAOFF
  48 #define Q_XQUOTAOFF Q_QUOTAOFF
  49 #endif /* Q_XQUOTAOFF */
  50 #ifndef Q_XGETQSTAT
  51 #define Q_XGETQSTAT Q_GETQSTAT
  52 #endif /* Q_XGETQSTAT */
  53
  54 /* currently doesn't support Group and Project quotas on IRIX
  55  */
  56
  57 #ifndef QCMD
  58 #define QCMD(x,y) x
  59 #endif
  60
  61 /*
  62  * IRIX has BBSIZE in <sys/param.h>
  63  */
  64 #ifndef BBSHIFT
  65 #define BBSHIFT         9
  66 #endif /* BBSHIFT */
  67 #ifndef BBSIZE
  68 #define BBSIZE          (1<<BBSHIFT)
  69 #endif /* BBSIZE */
  70
  71 /****************************************************************************
  72  Abstract out the XFS Quota Manager quota get call.
  73 ****************************************************************************/
  74 int sys_get_xfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
  75 {
  76         int ret = -1;
  77         uint32 qflags = 0;
  78         SMB_BIG_UINT bsize = (SMB_BIG_UINT)BBSIZE;
  79         struct fs_disk_quota D;
  80         struct fs_quota_stat F;
  81         ZERO_STRUCT(D);
  82         ZERO_STRUCT(F);
  83
  84         if (!bdev||!dp)
  85                 smb_panic("sys_get_xfs_quota: called with NULL pointer");
  86
  87         ZERO_STRUCT(*dp);
  88         dp->qtype = qtype;
  89
  90         switch (qtype) {
  91                 case SMB_USER_QUOTA_TYPE:
  92                         DEBUG(10,("sys_get_xfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
  93                                 path, bdev, (unsigned)id.uid));
  94
  95                         if ((ret=quotactl(QCMD(Q_XGETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D)))
  96                                 return ret;
  97                         break;
  98 #ifdef HAVE_GROUP_QUOTA
  99                 case SMB_GROUP_QUOTA_TYPE:
 100                         DEBUG(10,("sys_get_xfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 101                                 path, bdev, (unsigned)id.gid));
 102
 103                         if ((ret=quotactl(QCMD(Q_XGETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D)))
 104                                 return ret;
 105                         break;
 106 #endif /* HAVE_GROUP_QUOTA */
 107                 case SMB_USER_FS_QUOTA_TYPE:
 108                         DEBUG(10,("sys_get_xfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 109                                 path, bdev, (unsigned)id.uid));
 110
 111                         quotactl(QCMD(Q_XGETQSTAT,USRQUOTA), bdev, -1, (caddr_t)&F);
 112
 113                         if (F.qs_flags & XFS_QUOTA_UDQ_ENFD) {
 114                                 qflags |= QUOTAS_DENY_DISK;
 115                         }
 116                         else if (F.qs_flags & XFS_QUOTA_UDQ_ACCT) {
 117                                 qflags |= QUOTAS_ENABLED;
 118                         }
 119
 120                         ret = 0;
 121
 122                         break;
 123 #ifdef HAVE_GROUP_QUOTA
 124                 case SMB_GROUP_FS_QUOTA_TYPE:
 125                         DEBUG(10,("sys_get_xfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 126                                 path, bdev, (unsigned)id.gid));
 127
 128                         quotactl(QCMD(Q_XGETQSTAT,GRPQUOTA), bdev, -1, (caddr_t)&F);
 129
 130                         if (F.qs_flags & XFS_QUOTA_GDQ_ENFD) {
 131                                 qflags |= QUOTAS_DENY_DISK;
 132                         }
 133                         else if (F.qs_flags & XFS_QUOTA_GDQ_ACCT) {
 134                                 qflags |= QUOTAS_ENABLED;
 135                         }
 136
 137                         ret = 0;
 138
 139                         break;
 140 #endif /* HAVE_GROUP_QUOTA */
 141                 default:
 142                         errno = ENOSYS;
 143                         return -1;
 144         }
 145
 146         dp->bsize = bsize;
 147         dp->softlimit = (SMB_BIG_UINT)D.d_blk_softlimit;
 148         dp->hardlimit = (SMB_BIG_UINT)D.d_blk_hardlimit;
 149         dp->ihardlimit = (SMB_BIG_UINT)D.d_ino_hardlimit;
 150         dp->isoftlimit = (SMB_BIG_UINT)D.d_ino_softlimit;
 151         dp->curinodes = (SMB_BIG_UINT)D.d_icount;
 152         dp->curblocks = (SMB_BIG_UINT)D.d_bcount;
 153         dp->qflags = qflags;
 154
 155         return ret;
 156 }
 157
 158 /****************************************************************************
 159  Abstract out the XFS Quota Manager quota set call.
 160 ****************************************************************************/
 161 int sys_set_xfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
 162 {
 163         int ret = -1;
 164         uint32 qflags = 0;
 165         SMB_BIG_UINT bsize = (SMB_BIG_UINT)BBSIZE;
 166         struct fs_disk_quota D;
 167         struct fs_quota_stat F;
 168         int q_on = 0;
 169         int q_off = 0;
 170         ZERO_STRUCT(D);
 171         ZERO_STRUCT(F);
 172
 173         if (!bdev||!dp)
 174                 smb_panic("sys_set_xfs_quota: called with NULL pointer");
 175
 176         if (bsize == dp->bsize) {
 177                 D.d_blk_softlimit = dp->softlimit;
 178                 D.d_blk_hardlimit = dp->hardlimit;
 179                 D.d_ino_hardlimit = dp->ihardlimit;
 180                 D.d_ino_softlimit = dp->isoftlimit;
 181         } else {
 182                 D.d_blk_softlimit = (dp->softlimit*dp->bsize)/bsize;
 183                 D.d_blk_hardlimit = (dp->hardlimit*dp->bsize)/bsize;
 184                 D.d_ino_hardlimit = (dp->ihardlimit*dp->bsize)/bsize;
 185                 D.d_ino_softlimit = (dp->isoftlimit*dp->bsize)/bsize;
 186         }
 187
 188         qflags = dp->qflags;
 189
 190         switch (qtype) {
 191                 case SMB_USER_QUOTA_TYPE:
 192                         DEBUG(10,("sys_set_xfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
 193                                 path, bdev, (unsigned)id.uid));
 194
 195                         D.d_fieldmask |= FS_DQ_LIMIT_MASK;
 196                         ret = quotactl(QCMD(Q_XSETQLIM,USRQUOTA), bdev, id.uid, (caddr_t)&D);
 197                         break;
 198 #ifdef HAVE_GROUP_QUOTA
 199                 case SMB_GROUP_QUOTA_TYPE:
 200                         DEBUG(10,("sys_set_xfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
 201                                 path, bdev, (unsigned)id.gid));
 202
 203                         D.d_fieldmask |= FS_DQ_LIMIT_MASK;
 204                         ret = quotactl(QCMD(Q_XSETQLIM,GRPQUOTA), bdev, id.gid, (caddr_t)&D);
 205                         break;
 206 #endif /* HAVE_GROUP_QUOTA */
 207                 case SMB_USER_FS_QUOTA_TYPE:
 208                         DEBUG(10,("sys_set_xfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
 209                                 path, bdev, (unsigned)id.uid));
 210
 211                         quotactl(QCMD(Q_XGETQSTAT,USRQUOTA), bdev, -1, (caddr_t)&F);
 212
 213                         if (qflags & QUOTAS_DENY_DISK) {
 214                                 if (!(F.qs_flags & XFS_QUOTA_UDQ_ENFD))
 215                                         q_on |= XFS_QUOTA_UDQ_ENFD;
 216                                 if (!(F.qs_flags & XFS_QUOTA_UDQ_ACCT))
 217                                         q_on |= XFS_QUOTA_UDQ_ACCT;
 218
 219                                 if (q_on != 0) {
 220                                         ret = quotactl(QCMD(Q_XQUOTAON,USRQUOTA),bdev, -1, (caddr_t)&q_on);
 221                                 } else {
 222                                         ret = 0;
 223                                 }
 224
 225                         } else if (qflags & QUOTAS_ENABLED) {
 226                                 if (F.qs_flags & XFS_QUOTA_UDQ_ENFD)
 227                                         q_off |= XFS_QUOTA_UDQ_ENFD;
 228
 229                                 if (q_off != 0) {
 230                                         ret = quotactl(QCMD(Q_XQUOTAOFF,USRQUOTA),bdev, -1, (caddr_t)&q_off);
 231                                 } else {
 232                                         ret = 0;
 233                                 }
 234
 235                                 if (!(F.qs_flags & XFS_QUOTA_UDQ_ACCT))
 236                                         q_on |= XFS_QUOTA_UDQ_ACCT;
 237
 238                                 if (q_on != 0) {
 239                                         ret = quotactl(QCMD(Q_XQUOTAON,USRQUOTA),bdev, -1, (caddr_t)&q_on);
 240                                 } else {
 241                                         ret = 0;
 242                                 }
 243                         } else {
 244 #if 0
 245                         /* Switch on XFS_QUOTA_UDQ_ACCT didn't work!
 246                          * only swittching off XFS_QUOTA_UDQ_ACCT work
 247                          */
 248                                 if (F.qs_flags & XFS_QUOTA_UDQ_ENFD)
 249                                         q_off |= XFS_QUOTA_UDQ_ENFD;
 250                                 if (F.qs_flags & XFS_QUOTA_UDQ_ACCT)
 251                                         q_off |= XFS_QUOTA_UDQ_ACCT;
 252
 253                                 if (q_off !=0) {
 254                                         ret = quotactl(QCMD(Q_XQUOTAOFF,USRQUOTA),bdev, -1, (caddr_t)&q_off);
 255                                 } else {
 256                                         ret = 0;
 257                                 }
 258 #else
 259                                 ret = -1;
 260 #endif
 261                         }
 262
 263                         break;
 264 #ifdef HAVE_GROUP_QUOTA
 265                 case SMB_GROUP_FS_QUOTA_TYPE:
 266                         DEBUG(10,("sys_set_xfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
 267                                 path, bdev, (unsigned)id.gid));
 268
 269                         quotactl(QCMD(Q_XGETQSTAT,GRPQUOTA), bdev, -1, (caddr_t)&F);
 270
 271                         if (qflags & QUOTAS_DENY_DISK) {
 272                                 if (!(F.qs_flags & XFS_QUOTA_GDQ_ENFD))
 273                                         q_on |= XFS_QUOTA_GDQ_ENFD;
 274                                 if (!(F.qs_flags & XFS_QUOTA_GDQ_ACCT))
 275                                         q_on |= XFS_QUOTA_GDQ_ACCT;
 276
 277                                 if (q_on != 0) {
 278                                         ret = quotactl(QCMD(Q_XQUOTAON,GRPQUOTA),bdev, -1, (caddr_t)&q_on);
 279                                 } else {
 280                                         ret = 0;
 281                                 }
 282
 283                         } else if (qflags & QUOTAS_ENABLED) {
 284                                 if (F.qs_flags & XFS_QUOTA_GDQ_ENFD)
 285                                         q_off |= XFS_QUOTA_GDQ_ENFD;
 286
 287                                 if (q_off != 0) {
 288                                         ret = quotactl(QCMD(Q_XQUOTAOFF,GRPQUOTA),bdev, -1, (caddr_t)&q_off);
 289                                 } else {
 290                                         ret = 0;
 291                                 }
 292
 293                                 if (!(F.qs_flags & XFS_QUOTA_GDQ_ACCT))
 294                                         q_on |= XFS_QUOTA_GDQ_ACCT;
 295
 296                                 if (q_on != 0) {
 297                                         ret = quotactl(QCMD(Q_XQUOTAON,GRPQUOTA),bdev, -1, (caddr_t)&q_on);
 298                                 } else {
 299                                         ret = 0;
 300                                 }
 301                         } else {
 302 #if 0
 303                         /* Switch on XFS_QUOTA_UDQ_ACCT didn't work!
 304                          * only swittching off XFS_QUOTA_UDQ_ACCT work
 305                          */
 306                                 if (F.qs_flags & XFS_QUOTA_GDQ_ENFD)
 307                                         q_off |= XFS_QUOTA_GDQ_ENFD;
 308                                 if (F.qs_flags & XFS_QUOTA_GDQ_ACCT)
 309                                         q_off |= XFS_QUOTA_GDQ_ACCT;
 310
 311                                 if (q_off !=0) {
 312                                         ret = quotactl(QCMD(Q_XQUOTAOFF,GRPQUOTA),bdev, -1, (caddr_t)&q_off);
 313                                 } else {
 314                                         ret = 0;
 315                                 }
 316 #else
 317                                 ret = -1;
 318 #endif
 319                         }
 320
 321                         break;
 322 #endif /* HAVE_GROUP_QUOTA */
 323                 default:
 324                         errno = ENOSYS;
 325                         return -1;
 326         }
 327
 328         return ret;
 329 }
 330
 331 #else /* HAVE_XFS_QUOTAS */
 332  void dummy_sysquotas_xfs(void);
 333
 334  void dummy_sysquotas_xfs(void){}
 335 #endif /* HAVE_XFS_QUOTAS */