3 Unix SMB/Netbios implementation.
6 Copyright (C) Andrew Tridgell 1992-1997
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 * This is one of the most system dependent parts of Samba, and its
26 * done a litle differently. Each system has its own way of doing
32 extern int DEBUGLEVEL
;
36 #include <sys/types.h>
37 #include <asm/types.h>
38 #include <sys/quota.h>
41 #include <linux/unistd.h>
43 _syscall4(int, quotactl
, int, cmd
, const char *, special
, int, id
, caddr_t
, addr
);
45 /****************************************************************************
46 try to get the disk space from disk quotas (LINUX version)
47 ****************************************************************************/
49 BOOL
disk_quotas(char *path
, int *bsize
, int *dfree
, int *dsize
)
60 /* find the block device file */
62 if ( stat(path
, &S
) == -1 ) {
68 fp
= setmntent(MOUNTED
,"r");
71 while ((mnt
= getmntent(fp
))) {
72 if ( stat(mnt
->mnt_dir
,&S
) == -1 )
74 if (S
.st_dev
== devno
) {
87 r
=quotactl(QCMD(Q_GETQUOTA
,USRQUOTA
), mnt
->mnt_fsname
, euser_id
, (caddr_t
)&D
);
90 /* Use softlimit to determine disk space, except when it has been exceeded */
97 *dsize
=D
.dqb_curblocks
;
102 /* Use softlimit to determine disk space, except when it has been exceeded */
104 (D
.dqb_bsoftlimit
&& D
.dqb_curblocks
>=D
.dqb_bsoftlimit
) ||
105 (D
.dqb_bhardlimit
&& D
.dqb_curblocks
>=D
.dqb_bhardlimit
) ||
106 (D
.dqb_isoftlimit
&& D
.dqb_curinodes
>=D
.dqb_isoftlimit
) ||
107 (D
.dqb_ihardlimit
&& D
.dqb_curinodes
>=D
.dqb_ihardlimit
)
111 *dsize
= D
.dqb_curblocks
;
113 else if (D
.dqb_bsoftlimit
==0 && D
.dqb_bhardlimit
==0)
118 *dfree
= D
.dqb_bsoftlimit
- D
.dqb_curblocks
;
119 *dsize
= D
.dqb_bsoftlimit
;
126 #include <sys/quota.h>
129 /****************************************************************************
130 try to get the disk space from disk quotas (CRAY VERSION)
131 ****************************************************************************/
132 BOOL
disk_quotas(char *path
, int *bsize
, int *dfree
, int *dsize
)
138 static dev_t devno_cached
= 0 ;
139 static char name
[MNTMAXSTR
] ;
140 struct q_request request
;
141 struct qf_header header
;
142 static int quota_default
= 0 ;
145 if ( stat(path
,&sbuf
) == -1 )
148 devno
= sbuf
.st_dev
;
150 if ( devno
!= devno_cached
) {
152 devno_cached
= devno
;
154 if ((fd
= setmntent(KMTAB
)) == NULL
)
159 while ((mnt
= getmntent(fd
)) != NULL
) {
161 if ( stat(mnt
->mnt_dir
,&sbuf
) == -1 )
164 if (sbuf
.st_dev
== devno
) {
173 strcpy(name
,mnt
->mnt_dir
) ;
180 request
.qf_magic
= QF_MAGIC
;
181 request
.qf_entry
.id
= geteuid() ;
183 if (quotactl(name
, Q_GETQUOTA
, &request
) == -1)
186 if ( ! request
.user
)
189 if ( request
.qf_entry
.user_q
.f_quota
== QFV_DEFAULT
) {
191 if ( ! quota_default
) {
193 if ( quotactl(name
, Q_GETHEADER
, &header
) == -1 )
196 quota_default
= header
.user_h
.def_fq
;
199 *dfree
= quota_default
;
201 }else if ( request
.qf_entry
.user_q
.f_quota
== QFV_PREVENT
) {
207 *dfree
= request
.qf_entry
.user_q
.f_quota
;
211 *dsize
= request
.qf_entry
.user_q
.f_use
;
219 *bsize
= 4096 ; /* Cray blocksize */
226 #elif defined(SUNOS5) || defined(SUNOS4)
230 #include <sys/fs/ufs_quota.h>
231 #include <sys/mnttab.h>
232 #else /* defined(SUNOS4) */
233 #include <ufs/quota.h>
237 /****************************************************************************
238 try to get the disk space from disk quotas (solaris 2 version)
239 ****************************************************************************/
240 /* Quota code by Peter Urbanec (amiga@cse.unsw.edu.au) */
241 BOOL
disk_quotas(char *path
, int *bsize
, int *dfree
, int *dsize
)
243 uid_t user_id
, euser_id
;
247 struct quotctl command
;
250 static char name
[MNT_LINE_MAX
] ;
253 static char name
[MNTMAXSTR
] ;
258 static dev_t devno_cached
= 0 ;
261 if ( stat(path
,&sbuf
) == -1 )
264 devno
= sbuf
.st_dev
;
265 DEBUG(5,("disk_quotas: looking for path \"%s\" devno=%o\n", path
,devno
));
266 if ( devno
!= devno_cached
) {
267 devno_cached
= devno
;
269 if ((fd
= fopen(MNTTAB
, "r")) == NULL
)
273 while (getmntent(fd
, &mnt
) == 0) {
274 if ( stat(mnt
.mnt_mountp
,&sbuf
) == -1 )
276 DEBUG(5,("disk_quotas: testing \"%s\" devno=%o\n",
277 mnt
.mnt_mountp
,sbuf
.st_dev
));
278 if (sbuf
.st_dev
== devno
) {
284 strcpy(name
,mnt
.mnt_mountp
) ;
285 strcat(name
,"/quotas") ;
288 if ((fd
= setmntent(MOUNTED
, "r")) == NULL
)
292 while ((mnt
= getmntent(fd
)) != NULL
) {
293 if ( stat(mnt
->mnt_dir
,&sbuf
) == -1 )
295 DEBUG(5,("disk_quotas: testing \"%s\" devno=%o\n",
296 mnt
->mnt_dir
,sbuf
.st_dev
));
297 if (sbuf
.st_dev
== devno
) {
303 strcpy(name
,mnt
->mnt_fsname
) ;
311 euser_id
= geteuid();
314 setuid(0); /* Solaris seems to want to give info only to super-user */
318 DEBUG(5,("disk_quotas: looking for quotas file \"%s\"\n", name
));
319 if((file
=open(name
, O_RDONLY
))<0) {
320 setuid(user_id
); /* Restore the original UID status */
324 command
.op
= Q_GETQUOTA
;
325 command
.uid
= euser_id
;
326 command
.addr
= (caddr_t
) &D
;
327 ret
= ioctl(file
, Q_QUOTACTL
, &command
);
330 DEBUG(5,("disk_quotas: trying quotactl on device \"%s\"\n", name
));
331 ret
= quotactl(Q_GETQUOTA
, name
, euser_id
, &D
);
334 setuid(user_id
); /* Restore the original uid status. */
338 DEBUG(2,("disk_quotas ioctl (Solaris) failed\n"));
343 /* Use softlimit to determine disk space. A user exceeding the quota is told
344 * that there's no space left. Writes might actually work for a bit if the
345 * hardlimit is set higher than softlimit. Effectively the disk becomes
346 * made of rubber latex and begins to expand to accommodate the user :-)
349 if (D
.dqb_bsoftlimit
==0)
352 *dfree
= D
.dqb_bsoftlimit
- D
.dqb_curblocks
;
353 *dsize
= D
.dqb_bsoftlimit
;
357 *dsize
= D
.dqb_curblocks
;
360 DEBUG(5,("disk_quotas for path \"%s\" returning bsize %d, dfree %d, dsize %d\n",
361 path
,*bsize
,*dfree
,*dsize
));
368 #include <ufs/quota.h>
370 /****************************************************************************
371 try to get the disk space from disk quotas - OFS1 version
372 ****************************************************************************/
373 BOOL
disk_quotas(char *path
, int *bsize
, int *dfree
, int *dsize
)
375 uid_t user_id
, euser_id
;
380 euser_id
= geteuid();
383 setreuid(euser_id
, -1);
384 r
= quotactl(path
,QCMD(Q_GETQUOTA
, USRQUOTA
),euser_id
,(char *) &D
);
388 if (setreuid(user_id
, -1) == -1)
389 DEBUG(5,("Unable to reset uid to %d\n", user_id
));
395 if (save_errno
== EDQUOT
) // disk quota exceeded
398 *dsize
= D
.dqb_curblocks
;
405 /* Use softlimit to determine disk space, except when it has been exceeded */
407 if (D
.dqb_bsoftlimit
==0)
410 if ((D
.dqb_curblocks
>D
.dqb_bsoftlimit
)) {
412 *dsize
= D
.dqb_curblocks
;
414 *dfree
= D
.dqb_bsoftlimit
- D
.dqb_curblocks
;
415 *dsize
= D
.dqb_bsoftlimit
;
421 /****************************************************************************
422 try to get the disk space from disk quotas (IRIX 6.2 version)
423 ****************************************************************************/
425 #include <sys/quota.h>
428 BOOL
disk_quotas(char *path
, int *bsize
, int *dfree
, int *dsize
)
433 struct fs_disk_quota F
;
440 /* find the block device file */
442 if ( stat(path
, &S
) == -1 ) {
448 fp
= setmntent(MOUNTED
,"r");
451 while ((mnt
= getmntent(fp
))) {
452 if ( stat(mnt
->mnt_dir
,&S
) == -1 )
454 if (S
.st_dev
== devno
) {
468 /* Use softlimit to determine disk space, except when it has been exceeded */
472 if ( 0 == strcmp ( mnt
->mnt_type
, "efs" ))
474 r
=quotactl (Q_GETQUOTA
, mnt
->mnt_fsname
, euser_id
, (caddr_t
) &D
);
479 /* Use softlimit to determine disk space, except when it has been exceeded */
481 (D
.dqb_bsoftlimit
&& D
.dqb_curblocks
>=D
.dqb_bsoftlimit
) ||
482 (D
.dqb_bhardlimit
&& D
.dqb_curblocks
>=D
.dqb_bhardlimit
) ||
483 (D
.dqb_fsoftlimit
&& D
.dqb_curfiles
>=D
.dqb_fsoftlimit
) ||
484 (D
.dqb_fhardlimit
&& D
.dqb_curfiles
>=D
.dqb_fhardlimit
)
488 *dsize
= D
.dqb_curblocks
;
490 else if (D
.dqb_bsoftlimit
==0 && D
.dqb_bhardlimit
==0)
496 *dfree
= D
.dqb_bsoftlimit
- D
.dqb_curblocks
;
497 *dsize
= D
.dqb_bsoftlimit
;
501 else if ( 0 == strcmp ( mnt
->mnt_type
, "xfs" ))
503 r
=quotactl (Q_XGETQUOTA
, mnt
->mnt_fsname
, euser_id
, (caddr_t
) &F
);
508 /* Use softlimit to determine disk space, except when it has been exceeded */
510 (F
.d_blk_softlimit
&& F
.d_bcount
>=F
.d_blk_softlimit
) ||
511 (F
.d_blk_hardlimit
&& F
.d_bcount
>=F
.d_blk_hardlimit
) ||
512 (F
.d_ino_softlimit
&& F
.d_icount
>=F
.d_ino_softlimit
) ||
513 (F
.d_ino_hardlimit
&& F
.d_icount
>=F
.d_ino_hardlimit
)
517 * Fixme!: these are __uint64_t, this may truncate values
520 *dsize
= (int) F
.d_bcount
;
522 else if (F
.d_blk_softlimit
==0 && F
.d_blk_hardlimit
==0)
528 *dfree
= (int)(F
.d_blk_softlimit
- F
.d_bcount
);
529 *dsize
= (int)F
.d_blk_softlimit
;
543 #include <ufs/ufs/quota.h>
544 #include <machine/param.h>
546 /* AIX quota patch from Ole Holm Nielsen <ohnielse@fysik.dtu.dk> */
547 #include <jfs/quota.h>
548 /* AIX 4.X: Rename members of the dqblk structure (ohnielse@fysik.dtu.dk) */
549 #define dqb_curfiles dqb_curinodes
550 #define dqb_fhardlimit dqb_ihardlimit
551 #define dqb_fsoftlimit dqb_isoftlimit
552 #else /* !__FreeBSD__ && !AIX */
553 #include <sys/quota.h>
557 /****************************************************************************
558 try to get the disk space from disk quotas - default version
559 ****************************************************************************/
560 BOOL
disk_quotas(char *path
, int *bsize
, int *dfree
, int *dsize
)
565 #if !defined(__FreeBSD__) && !defined(AIX)
568 /* find the block device file */
569 if ((stat(path
, &S
)<0) ||
570 (devnm(S_IFBLK
, S
.st_dev
, dev_disk
, 256, 0)<0)) return (False
);
573 euser_id
= geteuid();
579 /* for HPUX, real uid must be same as euid to execute quotactl for euid */
581 setresuid(euser_id
,-1,-1);
582 r
=quotactl(Q_GETQUOTA
, dev_disk
, euser_id
, &D
);
583 if (setresuid(user_id
,-1,-1))
584 DEBUG(5,("Unable to reset uid to %d\n", user_id
));
586 #else /* USE_SETRES */
587 #if defined(__FreeBSD__)
589 /* FreeBSD patches from Marty Moll <martym@arbor.edu> */
593 /* Need to be root to get quotas in FreeBSD */
598 r
= quotactl(path
,QCMD(Q_GETQUOTA
,USRQUOTA
),euser_id
,(char *) &D
);
600 /* As FreeBSD has group quotas, if getting the user
601 quota fails, try getting the group instead. */
603 r
= quotactl(path
,QCMD(Q_GETQUOTA
,GRPQUOTA
),egrp_id
,(char *) &D
);
608 /* AIX has both USER and GROUP quotas:
609 Get the USER quota (ohnielse@fysik.dtu.dk) */
610 r
= quotactl(path
,QCMD(Q_GETQUOTA
,USRQUOTA
),euser_id
,(char *) &D
);
611 #else /* !__FreeBSD__ && !AIX */
612 r
=quotactl(Q_GETQUOTA
, dev_disk
, euser_id
, &D
);
613 #endif /* !__FreeBSD__ && !AIX */
614 #endif /* USE_SETRES */
616 /* Use softlimit to determine disk space, except when it has been exceeded */
617 #if defined(__FreeBSD__)
619 #else /* !__FreeBSD__ */
621 #endif /*!__FreeBSD__ */
628 *dsize
=D
.dqb_curblocks
;
633 if (D
.dqb_bsoftlimit
==0)
635 /* Use softlimit to determine disk space, except when it has been exceeded */
636 if ((D
.dqb_curblocks
>D
.dqb_bsoftlimit
)
637 #if !defined(__FreeBSD__)
638 ||((D
.dqb_curfiles
>D
.dqb_fsoftlimit
) && (D
.dqb_fsoftlimit
!= 0))
642 *dsize
= D
.dqb_curblocks
;
645 *dfree
= D
.dqb_bsoftlimit
- D
.dqb_curblocks
;
646 *dsize
= D
.dqb_bsoftlimit
;
654 /* this keeps fussy compilers happy */
655 void quotas_dummy(void) {}