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-rw-r--r--source3/lib/sysquotas_4A.c318
1 files changed, 318 insertions, 0 deletions
diff --git a/source3/lib/sysquotas_4A.c b/source3/lib/sysquotas_4A.c
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+++ b/source3/lib/sysquotas_4A.c
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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 2 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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+
+#include "includes.h"
+
+#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;
+ SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
+
+ ZERO_STRUCT(D);
+ ZERO_STRUCT(*dp);
+ dp->qtype = qtype;
+
+ switch (qtype) {
+ case SMB_USER_QUOTA_TYPE:
+ if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), 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:
+ if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), 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();
+
+ if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), 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();
+
+ if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), 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 = (SMB_BIG_UINT)D.dqb_bsoftlimit;
+ dp->hardlimit = (SMB_BIG_UINT)D.dqb_bhardlimit;
+ dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
+ dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
+ dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
+ dp->curblocks = (SMB_BIG_UINT)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;
+ SMB_BIG_UINT bsize = (SMB_BIG_UINT)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:
+ ret = quotactl(QCMD(Q_SETQLIM,USRQUOTA), bdev, id.uid, (void *)&D);
+ break;
+#ifdef HAVE_GROUP_QUOTA
+ case SMB_GROUP_QUOTA_TYPE:
+ ret = quotactl(QCMD(Q_SETQLIM,GRPQUOTA), 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()
+ *
+ */
+#if 0
+ id.uid = getuid();
+
+ ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), bdev, id.uid, (void *)&D);
+
+ if ((qflags&QUOTAS_DENY_DISK)||(qflags&QUOTAS_ENABLED)) {
+ if (ret == 0) {
+ char *quota_file = NULL;
+
+ asprintf(&quota_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), bdev, -1,(void *)quota_file);
+ } else {
+ ret = 0;
+ }
+ } else {
+ if (ret != 0) {
+ /* turn off */
+ ret = quotactl(QCMD(Q_QUOTAOFF,USRQUOTA), bdev, -1, (void *)0);
+ } else {
+ ret = 0;
+ }
+ }
+
+ DEBUG(0,("vfs_fs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n",
+ ret,errno,strerror(errno),id.uid,bdev));
+#else
+ id.uid = getuid();
+
+ if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), 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()
+ *
+ */
+#if 0
+ id.gid = getgid();
+
+ ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id, (void *)&D);
+
+ if ((qflags&QUOTAS_DENY_DISK)||(qflags&QUOTAS_ENABLED)) {
+ if (ret == 0) {
+ char *quota_file = NULL;
+
+ asprintf(&quota_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), bdev, -1,(void *)quota_file);
+ } else {
+ ret = 0;
+ }
+ } else {
+ if (ret != 0) {
+ /* turn off */
+ ret = quotactl(QCMD(Q_QUOTAOFF,GRPQUOTA), bdev, -1, (void *)0);
+ } else {
+ ret = 0;
+ }
+ }
+
+ DEBUG(0,("vfs_fs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n",
+ ret,errno,strerror(errno),id.gid,bdev));
+#else
+ id.gid = getgid();
+
+ if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), 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){}
+#endif /* HAVE_QUOTACTL_4A */
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