LCOV - code coverage report
Current view: top level - source3/lib - sysquotas_4A.c (source / functions) Hit Total Coverage
Test: coverage report for abartlet/fix-coverage dd10fb34 Lines: 0 1 0.0 %
Date: 2021-09-23 10:06:22 Functions: 0 1 0.0 %

          Line data    Source code
       1             : /* 
       2             :    Unix SMB/CIFS implementation.
       3             :    System QUOTA function wrappers for QUOTACTL_4A
       4             :    Copyright (C) Stefan (metze) Metzmacher      2003
       5             :    
       6             :    This program is free software; you can redistribute it and/or modify
       7             :    it under the terms of the GNU General Public License as published by
       8             :    the Free Software Foundation; either version 3 of the License, or
       9             :    (at your option) any later version.
      10             :    
      11             :    This program is distributed in the hope that it will be useful,
      12             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14             :    GNU General Public License for more details.
      15             :    
      16             :    You should have received a copy of the GNU General Public License
      17             :    along with this program.  If not, see <http://www.gnu.org/licenses/>.
      18             : */
      19             : 
      20             : 
      21             : #include "includes.h"
      22             : 
      23             : #undef DBGC_CLASS
      24             : #define DBGC_CLASS DBGC_QUOTA
      25             : 
      26             : #ifndef HAVE_SYS_QUOTAS
      27             : #ifdef HAVE_QUOTACTL_4A
      28             : #undef HAVE_QUOTACTL_4A
      29             : #endif
      30             : #endif
      31             : 
      32             : #ifdef HAVE_QUOTACTL_4A
      33             : /* long quotactl(int cmd, char *special, qid_t id, caddr_t addr) */
      34             : /* this is used by: HPUX,IRIX */
      35             : 
      36             : #ifdef HAVE_SYS_TYPES_H
      37             : #include <sys/types.h>
      38             : #endif
      39             : 
      40             : #ifdef HAVE_ASM_TYPES_H
      41             : #include <asm/types.h>
      42             : #endif
      43             : 
      44             : #ifdef HAVE_SYS_QUOTA_H
      45             : #include <sys/quota.h>
      46             : #endif
      47             : 
      48             : #ifndef Q_SETQLIM
      49             : #define Q_SETQLIM Q_SETQUOTA
      50             : #endif
      51             : 
      52             : #ifndef QCMD
      53             : #define QCMD(x,y) x
      54             : #endif
      55             : 
      56             : #ifndef QCMD
      57             : #define QCMD(x,y) x
      58             : #endif
      59             : 
      60             : #ifdef GRPQUOTA
      61             : #define HAVE_GROUP_QUOTA
      62             : #endif
      63             : 
      64             : #ifndef QUOTABLOCK_SIZE
      65             : #define QUOTABLOCK_SIZE DEV_BSIZE
      66             : #endif
      67             : 
      68             : #ifdef HAVE_DQB_FSOFTLIMIT
      69             : #define dqb_isoftlimit  dqb_fsoftlimit
      70             : #define dqb_ihardlimit  dqb_fhardlimit
      71             : #define dqb_curinodes   dqb_curfiles
      72             : #endif
      73             : 
      74             : #ifdef INITQFNAMES
      75             : #define USERQUOTAFILE_EXTENSION ".user"
      76             : #else
      77             : #define USERQUOTAFILE_EXTENSION ""
      78             : #endif
      79             : 
      80             : #if !defined(QUOTAFILENAME) && defined(QFILENAME)
      81             : #define QUOTAFILENAME QFILENAME
      82             : #endif
      83             : 
      84             : /****************************************************************************
      85             :  Abstract out the quotactl_4A get calls.
      86             : ****************************************************************************/
      87             : int sys_get_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
      88             : {
      89             :         int ret = -1;
      90             :         uint32_t qflags = 0;
      91             :         struct dqblk D;
      92             :         uint64_t bsize = (uint64_t)QUOTABLOCK_SIZE;
      93             : 
      94             :         ZERO_STRUCT(D);
      95             :         ZERO_STRUCT(*dp);
      96             :         dp->qtype = qtype;
      97             : 
      98             :         switch (qtype) {
      99             :                 case SMB_USER_QUOTA_TYPE:
     100             :                         DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
     101             :                                 path, bdev, (unsigned)id.uid));
     102             : 
     103             :                         if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D))&&errno != EDQUOT) {
     104             :                                 return ret;
     105             :                         }
     106             : 
     107             :                         ret = 0;
     108             :                         break;
     109             : #ifdef HAVE_GROUP_QUOTA
     110             :                 case SMB_GROUP_QUOTA_TYPE:
     111             :                         DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
     112             :                                 path, bdev, (unsigned)id.gid));
     113             : 
     114             :                         if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D))&&errno != EDQUOT) {
     115             :                                 return ret;
     116             :                         }
     117             : 
     118             :                         ret = 0;
     119             :                         break;
     120             : #endif /* HAVE_GROUP_QUOTA */
     121             :                 case SMB_USER_FS_QUOTA_TYPE:
     122             :                         id.uid = getuid();
     123             : 
     124             :                         DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
     125             :                                 path, (caddr_t)bdev, (unsigned)id.uid));
     126             : 
     127             :                         if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D))==0) {
     128             :                                 qflags |= QUOTAS_DENY_DISK;
     129             :                         }
     130             : 
     131             :                         ret = 0;
     132             :                         break;
     133             : #ifdef HAVE_GROUP_QUOTA
     134             :                 case SMB_GROUP_FS_QUOTA_TYPE:
     135             :                         id.gid = getgid();
     136             : 
     137             :                         DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
     138             :                                 path, bdev, (unsigned)id.gid));
     139             : 
     140             :                         if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D))==0) {
     141             :                                 qflags |= QUOTAS_DENY_DISK;
     142             :                         }
     143             : 
     144             :                         ret = 0;
     145             :                         break;
     146             : #endif /* HAVE_GROUP_QUOTA */
     147             :                 default:
     148             :                         errno = ENOSYS;
     149             :                         return -1;
     150             :         }
     151             : 
     152             :         dp->bsize = bsize;
     153             :         dp->softlimit = (uint64_t)D.dqb_bsoftlimit;
     154             :         dp->hardlimit = (uint64_t)D.dqb_bhardlimit;
     155             :         dp->ihardlimit = (uint64_t)D.dqb_ihardlimit;
     156             :         dp->isoftlimit = (uint64_t)D.dqb_isoftlimit;
     157             :         dp->curinodes = (uint64_t)D.dqb_curinodes;
     158             :         dp->curblocks = (uint64_t)D.dqb_curblocks;
     159             : 
     160             : 
     161             :         dp->qflags = qflags;
     162             : 
     163             :         return ret;
     164             : }
     165             : 
     166             : /****************************************************************************
     167             :  Abstract out the quotactl_4A set calls.
     168             : ****************************************************************************/
     169             : int sys_set_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
     170             : {
     171             :         int ret = -1;
     172             :         uint32_t qflags = 0;
     173             :         uint32_t oldqflags = 0;
     174             :         struct dqblk D;
     175             :         uint64_t bsize = (uint64_t)QUOTABLOCK_SIZE;
     176             : 
     177             :         ZERO_STRUCT(D);
     178             : 
     179             :         if (bsize == dp->bsize) {
     180             :                 D.dqb_bsoftlimit = dp->softlimit;
     181             :                 D.dqb_bhardlimit = dp->hardlimit;
     182             :                 D.dqb_ihardlimit = dp->ihardlimit;
     183             :                 D.dqb_isoftlimit = dp->isoftlimit;
     184             :         } else {
     185             :                 D.dqb_bsoftlimit = (dp->softlimit*dp->bsize)/bsize;
     186             :                 D.dqb_bhardlimit = (dp->hardlimit*dp->bsize)/bsize;
     187             :                 D.dqb_ihardlimit = (dp->ihardlimit*dp->bsize)/bsize;
     188             :                 D.dqb_isoftlimit = (dp->isoftlimit*dp->bsize)/bsize;
     189             :         }
     190             : 
     191             :         qflags = dp->qflags;
     192             : 
     193             :         switch (qtype) {
     194             :                 case SMB_USER_QUOTA_TYPE:
     195             :                         DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
     196             :                                 path, bdev, (unsigned)id.uid));
     197             : 
     198             :                         ret = quotactl(QCMD(Q_SETQLIM,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D);
     199             :                         break;
     200             : #ifdef HAVE_GROUP_QUOTA
     201             :                 case SMB_GROUP_QUOTA_TYPE:
     202             :                         DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
     203             :                                 path, bdev, (unsigned)id.gid));
     204             : 
     205             :                         ret = quotactl(QCMD(Q_SETQLIM,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D);
     206             :                         break;
     207             : #endif /* HAVE_GROUP_QUOTA */
     208             :                 case SMB_USER_FS_QUOTA_TYPE:
     209             :                         /* this stuff didn't work as it should:
     210             :                          * switching on/off quota via quotactl()
     211             :                          * didn't work!
     212             :                          * So we just return 0
     213             :                          * --metze
     214             :                          * 
     215             :                          * On HPUX we didn't have the mount path,
     216             :                          * we need to fix sys_path_to_bdev()
     217             :                          *
     218             :                          */
     219             :                         id.uid = getuid();
     220             :                         DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
     221             :                                 path, bdev, (unsigned)id.uid));
     222             : 
     223             : #if 0
     224             :                         ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D);
     225             : 
     226             :                         if ((qflags&QUOTAS_DENY_DISK)||(qflags&QUOTAS_ENABLED)) {
     227             :                                 if (ret == 0) {
     228             :                                         char *quota_file = NULL;
     229             :                                         
     230             :                                         asprintf(&quota_file,"/%s/%s%s",path, QUOTAFILENAME,USERQUOTAFILE_EXTENSION);
     231             :                                         if (quota_file == NULL) {
     232             :                                                 DEBUG(0,("asprintf() failed!\n"));
     233             :                                                 errno = ENOMEM;
     234             :                                                 return -1;
     235             :                                         }
     236             :                                         
     237             :                                         ret = quotactl(QCMD(Q_QUOTAON,USRQUOTA), (caddr_t)bdev, -1,(void *)quota_file);
     238             :                                 } else {
     239             :                                         ret = 0;        
     240             :                                 }
     241             :                         } else {
     242             :                                 if (ret != 0) {
     243             :                                         /* turn off */
     244             :                                         ret = quotactl(QCMD(Q_QUOTAOFF,USRQUOTA), (caddr_t)bdev, -1, (void *)0);        
     245             :                                 } else {
     246             :                                         ret = 0;
     247             :                                 }               
     248             :                         }
     249             : 
     250             :                         DEBUG(0,("sys_set_vfs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n",
     251             :                                 ret,errno,strerror(errno),id.uid,bdev));
     252             : #else
     253             :                         if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D))==0) {
     254             :                                 oldqflags |= QUOTAS_DENY_DISK;
     255             :                         }
     256             : 
     257             :                         if (oldqflags == qflags) {
     258             :                                 ret = 0;
     259             :                         } else {
     260             :                                 ret = -1;
     261             :                         }
     262             : #endif
     263             :                         break;
     264             : #ifdef HAVE_GROUP_QUOTA
     265             :                 case SMB_GROUP_FS_QUOTA_TYPE:
     266             :                         /* this stuff didn't work as it should:
     267             :                          * switching on/off quota via quotactl()
     268             :                          * didn't work!
     269             :                          * So we just return 0
     270             :                          * --metze
     271             :                          * 
     272             :                          * On HPUX we didn't have the mount path,
     273             :                          * we need to fix sys_path_to_bdev()
     274             :                          *
     275             :                          */
     276             :                         id.gid = getgid();
     277             :                         DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
     278             :                                 path, bdev, (unsigned)id.gid));
     279             : 
     280             : #if 0
     281             :                         ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id, (void *)&D);
     282             : 
     283             :                         if ((qflags&QUOTAS_DENY_DISK)||(qflags&QUOTAS_ENABLED)) {
     284             :                                 if (ret == 0) {
     285             :                                         char *quota_file = NULL;
     286             :                                         
     287             :                                         asprintf(&quota_file,"/%s/%s%s",path, QUOTAFILENAME,GROUPQUOTAFILE_EXTENSION);
     288             :                                         if (quota_file == NULL) {
     289             :                                                 DEBUG(0,("asprintf() failed!\n"));
     290             :                                                 errno = ENOMEM;
     291             :                                                 return -1;
     292             :                                         }
     293             :                                         
     294             :                                         ret = quotactl(QCMD(Q_QUOTAON,GRPQUOTA), (caddr_t)bdev, -1,(void *)quota_file);
     295             :                                 } else {
     296             :                                         ret = 0;        
     297             :                                 }
     298             :                         } else {
     299             :                                 if (ret != 0) {
     300             :                                         /* turn off */
     301             :                                         ret = quotactl(QCMD(Q_QUOTAOFF,GRPQUOTA), (caddr_t)bdev, -1, (void *)0);        
     302             :                                 } else {
     303             :                                         ret = 0;
     304             :                                 }               
     305             :                         }
     306             : 
     307             :                         DEBUG(0,("sys_set_vfs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n",
     308             :                                 ret,errno,strerror(errno),id.gid,bdev));
     309             : #else
     310             :                         if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D))==0) {
     311             :                                 oldqflags |= QUOTAS_DENY_DISK;
     312             :                         }
     313             : 
     314             :                         if (oldqflags == qflags) {
     315             :                                 ret = 0;
     316             :                         } else {
     317             :                                 ret = -1;
     318             :                         }
     319             : #endif
     320             :                         break;
     321             : #endif /* HAVE_GROUP_QUOTA */
     322             :                 default:
     323             :                         errno = ENOSYS;
     324             :                         return -1;
     325             :         }
     326             : 
     327             :         return ret;
     328             : }
     329             : 
     330             : #else /* HAVE_QUOTACTL_4A */
     331             :  void dummy_sysquotas_4A(void);
     332             : 
     333           0 :  void dummy_sysquotas_4A(void){}
     334             : #endif /* HAVE_QUOTACTL_4A */

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