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|
/*
Unix SMB/CIFS implementation.
System QUOTA function wrappers for QUOTACTL_4A
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
#ifndef HAVE_SYS_QUOTAS
#ifdef HAVE_QUOTACTL_4A
#undef HAVE_QUOTACTL_4A
#endif
#endif
#ifdef HAVE_QUOTACTL_4A
/* long quotactl(int cmd, char *special, qid_t id, caddr_t addr) */
/* this is used by: HPUX,IRIX */
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_ASM_TYPES_H
#include <asm/types.h>
#endif
#ifdef HAVE_SYS_QUOTA_H
#include <sys/quota.h>
#endif
#ifndef Q_SETQLIM
#define Q_SETQLIM Q_SETQUOTA
#endif
#ifndef QCMD
#define QCMD(x,y) x
#endif
#ifndef QCMD
#define QCMD(x,y) x
#endif
#ifdef GRPQUOTA
#define HAVE_GROUP_QUOTA
#endif
#ifndef QUOTABLOCK_SIZE
#define QUOTABLOCK_SIZE DEV_BSIZE
#endif
#ifdef HAVE_DQB_FSOFTLIMIT
#define dqb_isoftlimit dqb_fsoftlimit
#define dqb_ihardlimit dqb_fhardlimit
#define dqb_curinodes dqb_curfiles
#endif
#ifdef INITQFNAMES
#define USERQUOTAFILE_EXTENSION ".user"
#else
#define USERQUOTAFILE_EXTENSION ""
#endif
#if !defined(QUOTAFILENAME) && defined(QFILENAME)
#define QUOTAFILENAME QFILENAME
#endif
/****************************************************************************
Abstract out the quotactl_4A get calls.
****************************************************************************/
int sys_get_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
{
int ret = -1;
uint32 qflags = 0;
struct dqblk D;
uint64_t bsize = (uint64_t)QUOTABLOCK_SIZE;
ZERO_STRUCT(D);
ZERO_STRUCT(*dp);
dp->qtype = qtype;
switch (qtype) {
case SMB_USER_QUOTA_TYPE:
DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
path, bdev, (unsigned)id.uid));
if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D))&&errno != EDQUOT) {
return ret;
}
if ((D.dqb_curblocks==0)&&
(D.dqb_bsoftlimit==0)&&
(D.dqb_bhardlimit==0)) {
/* the upper layer functions don't want empty quota records...*/
return -1;
}
break;
#ifdef HAVE_GROUP_QUOTA
case SMB_GROUP_QUOTA_TYPE:
DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
path, bdev, (unsigned)id.gid));
if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D))&&errno != EDQUOT) {
return ret;
}
if ((D.dqb_curblocks==0)&&
(D.dqb_bsoftlimit==0)&&
(D.dqb_bhardlimit==0)) {
/* the upper layer functions don't want empty quota records...*/
return -1;
}
break;
#endif /* HAVE_GROUP_QUOTA */
case SMB_USER_FS_QUOTA_TYPE:
id.uid = getuid();
DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
path, (caddr_t)bdev, (unsigned)id.uid));
if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D))==0) {
qflags |= QUOTAS_DENY_DISK;
}
ret = 0;
break;
#ifdef HAVE_GROUP_QUOTA
case SMB_GROUP_FS_QUOTA_TYPE:
id.gid = getgid();
DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
path, bdev, (unsigned)id.gid));
if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D))==0) {
qflags |= QUOTAS_DENY_DISK;
}
ret = 0;
break;
#endif /* HAVE_GROUP_QUOTA */
default:
errno = ENOSYS;
return -1;
}
dp->bsize = bsize;
dp->softlimit = (uint64_t)D.dqb_bsoftlimit;
dp->hardlimit = (uint64_t)D.dqb_bhardlimit;
dp->ihardlimit = (uint64_t)D.dqb_ihardlimit;
dp->isoftlimit = (uint64_t)D.dqb_isoftlimit;
dp->curinodes = (uint64_t)D.dqb_curinodes;
dp->curblocks = (uint64_t)D.dqb_curblocks;
dp->qflags = qflags;
return ret;
}
/****************************************************************************
Abstract out the quotactl_4A set calls.
****************************************************************************/
int sys_set_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
{
int ret = -1;
uint32 qflags = 0;
uint32 oldqflags = 0;
struct dqblk D;
uint64_t bsize = (uint64_t)QUOTABLOCK_SIZE;
ZERO_STRUCT(D);
if (bsize == dp->bsize) {
D.dqb_bsoftlimit = dp->softlimit;
D.dqb_bhardlimit = dp->hardlimit;
D.dqb_ihardlimit = dp->ihardlimit;
D.dqb_isoftlimit = dp->isoftlimit;
} else {
D.dqb_bsoftlimit = (dp->softlimit*dp->bsize)/bsize;
D.dqb_bhardlimit = (dp->hardlimit*dp->bsize)/bsize;
D.dqb_ihardlimit = (dp->ihardlimit*dp->bsize)/bsize;
D.dqb_isoftlimit = (dp->isoftlimit*dp->bsize)/bsize;
}
qflags = dp->qflags;
switch (qtype) {
case SMB_USER_QUOTA_TYPE:
DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
path, bdev, (unsigned)id.uid));
ret = quotactl(QCMD(Q_SETQLIM,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D);
break;
#ifdef HAVE_GROUP_QUOTA
case SMB_GROUP_QUOTA_TYPE:
DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
path, bdev, (unsigned)id.gid));
ret = quotactl(QCMD(Q_SETQLIM,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D);
break;
#endif /* HAVE_GROUP_QUOTA */
case SMB_USER_FS_QUOTA_TYPE:
/* this stuff didn't work as it should:
* switching on/off quota via quotactl()
* didn't work!
* So we just return 0
* --metze
*
* On HPUX we didn't have the mount path,
* we need to fix sys_path_to_bdev()
*
*/
id.uid = getuid();
DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
path, bdev, (unsigned)id.uid));
#if 0
ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D);
if ((qflags"AS_DENY_DISK)||(qflags"AS_ENABLED)) {
if (ret == 0) {
char *quota_file = NULL;
asprintf("a_file,"/%s/%s%s",path, QUOTAFILENAME,USERQUOTAFILE_EXTENSION);
if (quota_file == NULL) {
DEBUG(0,("asprintf() failed!\n"));
errno = ENOMEM;
return -1;
}
ret = quotactl(QCMD(Q_QUOTAON,USRQUOTA), (caddr_t)bdev, -1,(void *)quota_file);
} else {
ret = 0;
}
} else {
if (ret != 0) {
/* turn off */
ret = quotactl(QCMD(Q_QUOTAOFF,USRQUOTA), (caddr_t)bdev, -1, (void *)0);
} else {
ret = 0;
}
}
DEBUG(0,("sys_set_vfs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n",
ret,errno,strerror(errno),id.uid,bdev));
#else
if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D))==0) {
oldqflags |= QUOTAS_DENY_DISK;
}
if (oldqflags == qflags) {
ret = 0;
} else {
ret = -1;
}
#endif
break;
#ifdef HAVE_GROUP_QUOTA
case SMB_GROUP_FS_QUOTA_TYPE:
/* this stuff didn't work as it should:
* switching on/off quota via quotactl()
* didn't work!
* So we just return 0
* --metze
*
* On HPUX we didn't have the mount path,
* we need to fix sys_path_to_bdev()
*
*/
id.gid = getgid();
DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
path, bdev, (unsigned)id.gid));
#if 0
ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id, (void *)&D);
if ((qflags"AS_DENY_DISK)||(qflags"AS_ENABLED)) {
if (ret == 0) {
char *quota_file = NULL;
asprintf("a_file,"/%s/%s%s",path, QUOTAFILENAME,GROUPQUOTAFILE_EXTENSION);
if (quota_file == NULL) {
DEBUG(0,("asprintf() failed!\n"));
errno = ENOMEM;
return -1;
}
ret = quotactl(QCMD(Q_QUOTAON,GRPQUOTA), (caddr_t)bdev, -1,(void *)quota_file);
} else {
ret = 0;
}
} else {
if (ret != 0) {
/* turn off */
ret = quotactl(QCMD(Q_QUOTAOFF,GRPQUOTA), (caddr_t)bdev, -1, (void *)0);
} else {
ret = 0;
}
}
DEBUG(0,("sys_set_vfs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n",
ret,errno,strerror(errno),id.gid,bdev));
#else
if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D))==0) {
oldqflags |= QUOTAS_DENY_DISK;
}
if (oldqflags == qflags) {
ret = 0;
} else {
ret = -1;
}
#endif
break;
#endif /* HAVE_GROUP_QUOTA */
default:
errno = ENOSYS;
return -1;
}
return ret;
}
#else /* HAVE_QUOTACTL_4A */
void dummy_sysquotas_4A(void);
void dummy_sysquotas_4A(void){}
#endif /* HAVE_QUOTACTL_4A */
|
