Initial import
[samba] / source / lib / sysquotas_4A.c
diff --git a/source/lib/sysquotas_4A.c b/source/lib/sysquotas_4A.c
new file mode 100644 (file)
index 0000000..99b1a13
--- /dev/null
@@ -0,0 +1,347 @@
+/* 
+   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"
+
+#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;
+       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:
+                       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 = (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:
+                       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&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), (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&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), (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 */