mirror of
https://github.com/samba-team/samba.git
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2050b9a5af
Jeremy.
(This used to be commit 52eafc131e
)
309 lines
7.6 KiB
C
309 lines
7.6 KiB
C
/*
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Unix SMB/CIFS implementation.
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System QUOTA function wrappers for LINUX
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Copyright (C) Stefan (metze) Metzmacher 2003
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#ifdef HAVE_QUOTACTL_4A
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/* long quotactl(int cmd, char *special, qid_t id, caddr_t addr) */
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/* this is used by: HPUX,IRIX */
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_ASM_TYPES_H
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#include <asm/types.h>
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#endif
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#ifdef HAVE_SYS_QUOTA_H
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#include <sys/quota.h>
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#endif
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#ifndef Q_SETQLIM
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#define Q_SETQLIM Q_SETQUOTA
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#endif
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#ifdef GRPQUOTA
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#define HAVE_GROUP_QUOTA
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#endif
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#ifndef QUOTABLOCK_SIZE
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#define QUOTABLOCK_SIZE DEV_BSIZE
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#endif
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#ifdef HAVE_DQB_FSOFTLIMIT
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#define dqb_isoftlimit dqb_fsoftlimit
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#define dqb_ihardlimit dqb_fhardlimit
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#define dqb_curinodes dqb_curfiles
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#endif
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#ifdef INITQFNAMES
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#define USERQUOTAFILE_EXTENSION ".user"
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#else
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#define USERQUOTAFILE_EXTENSION ""
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#endif
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#if !defined(QUOTAFILENAME) && defined(QFILENAME)
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#define QUOTAFILENAME QFILENAME
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#endif
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/****************************************************************************
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Abstract out the quotactl_4A get calls.
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****************************************************************************/
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int sys_get_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
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{
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int ret = -1;
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uint32 qflags = 0;
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struct dqblk D;
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SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
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ZERO_STRUCT(D);
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ZERO_STRUCT(*dp);
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dp->qtype = qtype;
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switch (qtype) {
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case SMB_USER_QUOTA_TYPE:
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if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (void *)&D))&&errno != EDQUOT) {
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return ret;
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}
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if ((D.dqb_curblocks==0)&&
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(D.dqb_bsoftlimit==0)&&
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(D.dqb_bhardlimit==0)) {
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/* the upper layer functions don't want empty quota records...*/
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return -1;
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}
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break;
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#ifdef HAVE_GROUP_QUOTA
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case SMB_GROUP_QUOTA_TYPE:
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if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id.gid, (void *)&D))&&errno != EDQUOT) {
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return ret;
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}
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if ((D.dqb_curblocks==0)&&
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(D.dqb_bsoftlimit==0)&&
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(D.dqb_bhardlimit==0)) {
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/* the upper layer functions don't want empty quota records...*/
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return -1;
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}
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break;
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#endif /* HAVE_GROUP_QUOTA */
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case SMB_USER_FS_QUOTA_TYPE:
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id.uid = getuid();
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if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (void *)&D))==0) {
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qflags |= QUOTAS_DENY_DISK;
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}
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ret = 0;
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break;
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#ifdef HAVE_GROUP_QUOTA
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case SMB_GROUP_FS_QUOTA_TYPE:
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id.gid = getgid();
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if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id.gid, (void *)&D))==0) {
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qflags |= QUOTAS_DENY_DISK;
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}
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ret = 0;
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break;
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#endif /* HAVE_GROUP_QUOTA */
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default:
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errno = ENOSYS;
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return -1;
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}
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dp->bsize = bsize;
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dp->softlimit = (SMB_BIG_UINT)D.dqb_bsoftlimit;
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dp->hardlimit = (SMB_BIG_UINT)D.dqb_bhardlimit;
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dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
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dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
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dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
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dp->curblocks = (SMB_BIG_UINT)D.dqb_curblocks;
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dp->qflags = qflags;
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return ret;
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}
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/****************************************************************************
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Abstract out the quotactl_4A set calls.
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****************************************************************************/
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int sys_set_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
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{
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int ret = -1;
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uint32 qflags = 0;
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uint32 oldqflags = 0;
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struct dqblk D;
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SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
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ZERO_STRUCT(D);
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if (bsize == dp->bsize) {
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D.dqb_bsoftlimit = dp->softlimit;
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D.dqb_bhardlimit = dp->hardlimit;
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D.dqb_ihardlimit = dp->ihardlimit;
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D.dqb_isoftlimit = dp->isoftlimit;
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} else {
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D.dqb_bsoftlimit = (dp->softlimit*dp->bsize)/bsize;
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D.dqb_bhardlimit = (dp->hardlimit*dp->bsize)/bsize;
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D.dqb_ihardlimit = (dp->ihardlimit*dp->bsize)/bsize;
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D.dqb_isoftlimit = (dp->isoftlimit*dp->bsize)/bsize;
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}
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qflags = dp->qflags;
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switch (qtype) {
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case SMB_USER_QUOTA_TYPE:
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ret = quotactl(QCMD(Q_SETQLIM,USRQUOTA), bdev, id.uid, (void *)&D);
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break;
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#ifdef HAVE_GROUP_QUOTA
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case SMB_GROUP_QUOTA_TYPE:
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ret = quotactl(QCMD(Q_SETQLIM,GRPQUOTA), bdev, id.gid, (void *)&D);
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break;
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#endif /* HAVE_GROUP_QUOTA */
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case SMB_USER_FS_QUOTA_TYPE:
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/* this stuff didn't work as it should:
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* switching on/off quota via quotactl()
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* didn't work!
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* So we just return 0
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* --metze
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*
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* On HPUX we didn't have the mount path,
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* we need to fix sys_path_to_bdev()
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*
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*/
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#if 0
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id.uid = getuid();
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ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (void *)&D);
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if ((qflags"AS_DENY_DISK)||(qflags"AS_ENABLED)) {
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if (ret == 0) {
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char *quota_file = NULL;
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asprintf("a_file,"/%s/%s%s",path, QUOTAFILENAME,USERQUOTAFILE_EXTENSION);
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if (quota_file == NULL) {
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DEBUG(0,("asprintf() failed!\n"));
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errno = ENOMEM;
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return -1;
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}
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ret = quotactl(QCMD(Q_QUOTAON,USRQUOTA), bdev, -1,(void *)quota_file);
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} else {
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ret = 0;
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}
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} else {
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if (ret != 0) {
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/* turn off */
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ret = quotactl(QCMD(Q_QUOTAOFF,USRQUOTA), bdev, -1, (void *)0);
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} else {
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ret = 0;
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}
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}
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DEBUG(0,("vfs_fs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n",
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ret,errno,strerror(errno),id.uid,bdev));
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#else
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id.uid = getuid();
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if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (void *)&D))==0) {
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oldqflags |= QUOTAS_DENY_DISK;
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}
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if (oldqflags == qflags) {
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ret = 0;
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} else {
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ret = -1;
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}
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#endif
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break;
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#ifdef HAVE_GROUP_QUOTA
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case SMB_GROUP_FS_QUOTA_TYPE:
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/* this stuff didn't work as it should:
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* switching on/off quota via quotactl()
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* didn't work!
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* So we just return 0
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* --metze
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*
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* On HPUX we didn't have the mount path,
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* we need to fix sys_path_to_bdev()
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*
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*/
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#if 0
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id.gid = getgid();
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ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id, (void *)&D);
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if ((qflags"AS_DENY_DISK)||(qflags"AS_ENABLED)) {
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if (ret == 0) {
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char *quota_file = NULL;
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asprintf("a_file,"/%s/%s%s",path, QUOTAFILENAME,GROUPQUOTAFILE_EXTENSION);
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if (quota_file == NULL) {
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DEBUG(0,("asprintf() failed!\n"));
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errno = ENOMEM;
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return -1;
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}
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ret = quotactl(QCMD(Q_QUOTAON,GRPQUOTA), bdev, -1,(void *)quota_file);
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} else {
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ret = 0;
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}
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} else {
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if (ret != 0) {
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/* turn off */
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ret = quotactl(QCMD(Q_QUOTAOFF,GRPQUOTA), bdev, -1, (void *)0);
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} else {
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ret = 0;
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}
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}
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DEBUG(0,("vfs_fs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n",
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ret,errno,strerror(errno),id.gid,bdev));
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#else
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id.gid = getgid();
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if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id.gid, (void *)&D))==0) {
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oldqflags |= QUOTAS_DENY_DISK;
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}
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if (oldqflags == qflags) {
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ret = 0;
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} else {
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ret = -1;
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}
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#endif
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break;
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#endif /* HAVE_GROUP_QUOTA */
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default:
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errno = ENOSYS;
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return -1;
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}
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return ret;
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}
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#endif /* HAVE_QUOTACTL_4A */
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