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/*
Unix SMB/CIFS implementation.
System QUOTA function wrappers for XFS
Copyright (C) Stefan (metze) Metzmacher 2003
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_QUOTA
#if defined(HAVE_SYS_QUOTAS) && defined(HAVE_XFS_QUOTAS)
#ifdef HAVE_SYS_QUOTA_H
#include <sys/quota.h>
#endif
/* this one should actually come from glibc: */
/* #include "samba_linux_quota.h" */
#ifdef HAVE_XFS_XQM_H
#include <xfs/xqm.h>
#endif
#define HAVE_GROUP_QUOTA
/* on IRIX */
#ifndef Q_XQUOTAON
#define Q_XQUOTAON Q_QUOTAON
#endif /* Q_XQUOTAON */
#ifndef Q_XQUOTAOFF
#define Q_XQUOTAOFF Q_QUOTAOFF
#endif /* Q_XQUOTAOFF */
#ifndef Q_XGETQSTAT
#define Q_XGETQSTAT Q_GETQSTAT
#endif /* Q_XGETQSTAT */
/* currently doesn't support Group and Project quotas on IRIX
*/
#ifndef QCMD
#define QCMD(x,y) x
#endif
/*
* IRIX has BBSIZE in <sys/param.h>
*/
#ifndef BBSHIFT
#define BBSHIFT 9
#endif /* BBSHIFT */
#ifndef BBSIZE
#define BBSIZE (1<<BBSHIFT)
#endif /* BBSIZE */
/****************************************************************************
Abstract out the XFS Quota Manager quota get call.
****************************************************************************/
int sys_get_xfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
{
int ret = -1;
uint32_t qflags = 0;
uint64_t bsize = (uint64_t)BBSIZE;
struct fs_disk_quota D;
struct fs_quota_stat F;
ZERO_STRUCT(D);
ZERO_STRUCT(F);
if (!bdev||!dp)
smb_panic("sys_get_xfs_quota: called with NULL pointer");
ZERO_STRUCT(*dp);
dp->qtype = qtype;
switch (qtype) {
case SMB_USER_QUOTA_TYPE:
DEBUG(10,("sys_get_xfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
path, bdev, (unsigned)id.uid));
ret=quotactl(QCMD(Q_XGETQUOTA,USRQUOTA), bdev, id.uid, (caddr_t)&D);
/* XFS fails with ENOENT if the user has no
* quota. Our protocol in that case is to
* succeed and return 0 as quota.
*/
if (ret != 0 && errno != ENOENT) {
return ret;
}
ret = 0;
break;
#ifdef HAVE_GROUP_QUOTA
case SMB_GROUP_QUOTA_TYPE:
DEBUG(10,("sys_get_xfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
path, bdev, (unsigned)id.gid));
ret=quotactl(QCMD(Q_XGETQUOTA,GRPQUOTA), bdev, id.gid, (caddr_t)&D);
/* XFS fails with ENOENT if the user has no
* quota. Our protocol in that case is to
* succeed and return 0 as quota.
*/
if (ret != 0 && errno != ENOENT) {
return ret;
}
break;
#endif /* HAVE_GROUP_QUOTA */
case SMB_USER_FS_QUOTA_TYPE:
DEBUG(10,("sys_get_xfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
path, bdev, (unsigned)id.uid));
quotactl(QCMD(Q_XGETQSTAT,USRQUOTA), bdev, -1, (caddr_t)&F);
if (F.qs_flags & XFS_QUOTA_UDQ_ENFD) {
qflags |= QUOTAS_DENY_DISK;
}
else if (F.qs_flags & XFS_QUOTA_UDQ_ACCT) {
qflags |= QUOTAS_ENABLED;
}
ret = 0;
break;
#ifdef HAVE_GROUP_QUOTA
case SMB_GROUP_FS_QUOTA_TYPE:
DEBUG(10,("sys_get_xfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
path, bdev, (unsigned)id.gid));
quotactl(QCMD(Q_XGETQSTAT,GRPQUOTA), bdev, -1, (caddr_t)&F);
if (F.qs_flags & XFS_QUOTA_GDQ_ENFD) {
qflags |= QUOTAS_DENY_DISK;
}
else if (F.qs_flags & XFS_QUOTA_GDQ_ACCT) {
qflags |= QUOTAS_ENABLED;
}
ret = 0;
break;
#endif /* HAVE_GROUP_QUOTA */
default:
errno = ENOSYS;
return -1;
}
dp->bsize = bsize;
dp->softlimit = (uint64_t)D.d_blk_softlimit;
dp->hardlimit = (uint64_t)D.d_blk_hardlimit;
dp->ihardlimit = (uint64_t)D.d_ino_hardlimit;
dp->isoftlimit = (uint64_t)D.d_ino_softlimit;
dp->curinodes = (uint64_t)D.d_icount;
dp->curblocks = (uint64_t)D.d_bcount;
dp->qflags = qflags;
return ret;
}
/****************************************************************************
Abstract out the XFS Quota Manager quota set call.
****************************************************************************/
int sys_set_xfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
{
int ret = -1;
uint32_t qflags = 0;
uint64_t bsize = (uint64_t)BBSIZE;
struct fs_disk_quota D;
struct fs_quota_stat F;
int q_on = 0;
int q_off = 0;
ZERO_STRUCT(D);
ZERO_STRUCT(F);
if (!bdev||!dp)
smb_panic("sys_set_xfs_quota: called with NULL pointer");
if (bsize == dp->bsize) {
D.d_blk_softlimit = dp->softlimit;
D.d_blk_hardlimit = dp->hardlimit;
} else {
D.d_blk_softlimit = (dp->softlimit*dp->bsize)/bsize;
D.d_blk_hardlimit = (dp->hardlimit*dp->bsize)/bsize;
}
D.d_ino_hardlimit = dp->ihardlimit;
D.d_ino_softlimit = dp->isoftlimit;
qflags = dp->qflags;
switch (qtype) {
case SMB_USER_QUOTA_TYPE:
DEBUG(10,("sys_set_xfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
path, bdev, (unsigned)id.uid));
D.d_fieldmask |= FS_DQ_LIMIT_MASK;
ret = quotactl(QCMD(Q_XSETQLIM,USRQUOTA), bdev, id.uid, (caddr_t)&D);
break;
#ifdef HAVE_GROUP_QUOTA
case SMB_GROUP_QUOTA_TYPE:
DEBUG(10,("sys_set_xfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
path, bdev, (unsigned)id.gid));
D.d_fieldmask |= FS_DQ_LIMIT_MASK;
ret = quotactl(QCMD(Q_XSETQLIM,GRPQUOTA), bdev, id.gid, (caddr_t)&D);
break;
#endif /* HAVE_GROUP_QUOTA */
case SMB_USER_FS_QUOTA_TYPE:
DEBUG(10,("sys_set_xfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
path, bdev, (unsigned)id.uid));
quotactl(QCMD(Q_XGETQSTAT,USRQUOTA), bdev, -1, (caddr_t)&F);
if (qflags & QUOTAS_DENY_DISK) {
if (!(F.qs_flags & XFS_QUOTA_UDQ_ENFD))
q_on |= XFS_QUOTA_UDQ_ENFD;
if (!(F.qs_flags & XFS_QUOTA_UDQ_ACCT))
q_on |= XFS_QUOTA_UDQ_ACCT;
if (q_on != 0) {
ret = quotactl(QCMD(Q_XQUOTAON,USRQUOTA),bdev, -1, (caddr_t)&q_on);
} else {
ret = 0;
}
} else if (qflags & QUOTAS_ENABLED) {
if (F.qs_flags & XFS_QUOTA_UDQ_ENFD)
q_off |= XFS_QUOTA_UDQ_ENFD;
if (q_off != 0) {
ret = quotactl(QCMD(Q_XQUOTAOFF,USRQUOTA),bdev, -1, (caddr_t)&q_off);
} else {
ret = 0;
}
if (!(F.qs_flags & XFS_QUOTA_UDQ_ACCT))
q_on |= XFS_QUOTA_UDQ_ACCT;
if (q_on != 0) {
ret = quotactl(QCMD(Q_XQUOTAON,USRQUOTA),bdev, -1, (caddr_t)&q_on);
} else {
ret = 0;
}
} else {
#if 0
/* Switch on XFS_QUOTA_UDQ_ACCT didn't work!
* only swittching off XFS_QUOTA_UDQ_ACCT work
*/
if (F.qs_flags & XFS_QUOTA_UDQ_ENFD)
q_off |= XFS_QUOTA_UDQ_ENFD;
if (F.qs_flags & XFS_QUOTA_UDQ_ACCT)
q_off |= XFS_QUOTA_UDQ_ACCT;
if (q_off !=0) {
ret = quotactl(QCMD(Q_XQUOTAOFF,USRQUOTA),bdev, -1, (caddr_t)&q_off);
} else {
ret = 0;
}
#else
ret = -1;
#endif
}
break;
#ifdef HAVE_GROUP_QUOTA
case SMB_GROUP_FS_QUOTA_TYPE:
DEBUG(10,("sys_set_xfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
path, bdev, (unsigned)id.gid));
quotactl(QCMD(Q_XGETQSTAT,GRPQUOTA), bdev, -1, (caddr_t)&F);
if (qflags & QUOTAS_DENY_DISK) {
if (!(F.qs_flags & XFS_QUOTA_GDQ_ENFD))
q_on |= XFS_QUOTA_GDQ_ENFD;
if (!(F.qs_flags & XFS_QUOTA_GDQ_ACCT))
q_on |= XFS_QUOTA_GDQ_ACCT;
if (q_on != 0) {
ret = quotactl(QCMD(Q_XQUOTAON,GRPQUOTA),bdev, -1, (caddr_t)&q_on);
} else {
ret = 0;
}
} else if (qflags & QUOTAS_ENABLED) {
if (F.qs_flags & XFS_QUOTA_GDQ_ENFD)
q_off |= XFS_QUOTA_GDQ_ENFD;
if (q_off != 0) {
ret = quotactl(QCMD(Q_XQUOTAOFF,GRPQUOTA),bdev, -1, (caddr_t)&q_off);
} else {
ret = 0;
}
if (!(F.qs_flags & XFS_QUOTA_GDQ_ACCT))
q_on |= XFS_QUOTA_GDQ_ACCT;
if (q_on != 0) {
ret = quotactl(QCMD(Q_XQUOTAON,GRPQUOTA),bdev, -1, (caddr_t)&q_on);
} else {
ret = 0;
}
} else {
#if 0
/* Switch on XFS_QUOTA_UDQ_ACCT didn't work!
* only swittching off XFS_QUOTA_UDQ_ACCT work
*/
if (F.qs_flags & XFS_QUOTA_GDQ_ENFD)
q_off |= XFS_QUOTA_GDQ_ENFD;
if (F.qs_flags & XFS_QUOTA_GDQ_ACCT)
q_off |= XFS_QUOTA_GDQ_ACCT;
if (q_off !=0) {
ret = quotactl(QCMD(Q_XQUOTAOFF,GRPQUOTA),bdev, -1, (caddr_t)&q_off);
} else {
ret = 0;
}
#else
ret = -1;
#endif
}
break;
#endif /* HAVE_GROUP_QUOTA */
default:
errno = ENOSYS;
return -1;
}
return ret;
}
#else /* HAVE_XFS_QUOTAS */
void dummy_sysquotas_xfs(void);
void dummy_sysquotas_xfs(void){}
#endif /* HAVE_XFS_QUOTAS */
|
