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)
61 /* find the block device file */
63 if ( stat(path, &S) == -1 ) {
69 fp = setmntent(MOUNTED,"r");
72 while ((mnt = getmntent(fp))) {
73 if ( stat(mnt->mnt_dir,&S) == -1 )
75 if (S.st_dev == devno) {
88 r=quotactl(QCMD(Q_GETQUOTA,USRQUOTA), mnt->mnt_fsname, euser_id, (caddr_t)&D);
91 /* Use softlimit to determine disk space, except when it has been exceeded */
98 *dsize =D.dqb_curblocks;
103 /* Use softlimit to determine disk space, except when it has been exceeded */
105 (D.dqb_bsoftlimit && D.dqb_curblocks>=D.dqb_bsoftlimit) ||
106 (D.dqb_bhardlimit && D.dqb_curblocks>=D.dqb_bhardlimit) ||
107 (D.dqb_isoftlimit && D.dqb_curinodes>=D.dqb_isoftlimit) ||
108 (D.dqb_ihardlimit && D.dqb_curinodes>=D.dqb_ihardlimit)
112 *dsize = D.dqb_curblocks;
114 else if (D.dqb_bsoftlimit==0 && D.dqb_bhardlimit==0)
119 *dfree = D.dqb_bsoftlimit - D.dqb_curblocks;
120 *dsize = D.dqb_bsoftlimit;
127 #include <sys/quota.h>
130 /****************************************************************************
131 try to get the disk space from disk quotas (CRAY VERSION)
132 ****************************************************************************/
133 BOOL disk_quotas(char *path, int *bsize, int *dfree, int *dsize)
139 static dev_t devno_cached = 0 ;
140 static char name[MNTMAXSTR] ;
141 struct q_request request ;
142 struct qf_header header ;
143 static int quota_default = 0 ;
146 if ( stat(path,&sbuf) == -1 )
149 devno = sbuf.st_dev ;
151 if ( devno != devno_cached ) {
153 devno_cached = devno ;
155 if ((fd = setmntent(KMTAB)) == NULL)
160 while ((mnt = getmntent(fd)) != NULL) {
162 if ( stat(mnt->mnt_dir,&sbuf) == -1 )
165 if (sbuf.st_dev == devno) {
174 strcpy(name,mnt->mnt_dir) ;
181 request.qf_magic = QF_MAGIC ;
182 request.qf_entry.id = geteuid() ;
184 if (quotactl(name, Q_GETQUOTA, &request) == -1)
187 if ( ! request.user )
190 if ( request.qf_entry.user_q.f_quota == QFV_DEFAULT ) {
192 if ( ! quota_default ) {
194 if ( quotactl(name, Q_GETHEADER, &header) == -1 )
197 quota_default = header.user_h.def_fq ;
200 *dfree = quota_default ;
202 }else if ( request.qf_entry.user_q.f_quota == QFV_PREVENT ) {
208 *dfree = request.qf_entry.user_q.f_quota ;
212 *dsize = request.qf_entry.user_q.f_use ;
220 *bsize = 4096 ; /* Cray blocksize */
227 #elif defined(SUNOS5) || defined(SUNOS4)
231 #include <sys/fs/ufs_quota.h>
232 #include <sys/mnttab.h>
233 #else /* defined(SUNOS4) */
234 #include <ufs/quota.h>
238 /****************************************************************************
239 try to get the disk space from disk quotas (solaris 2 version)
240 ****************************************************************************/
241 /* Quota code by Peter Urbanec (amiga@cse.unsw.edu.au) */
242 BOOL disk_quotas(char *path, int *bsize, int *dfree, int *dsize)
244 uid_t user_id, euser_id;
248 struct quotctl command;
251 static char name[MNT_LINE_MAX] ;
254 static char name[MNTMAXSTR] ;
259 static dev_t devno_cached = 0 ;
262 if ( stat(path,&sbuf) == -1 )
265 devno = sbuf.st_dev ;
266 DEBUG(5,("disk_quotas: looking for path \"%s\" devno=%o\n", path,devno));
267 if ( devno != devno_cached ) {
268 devno_cached = devno ;
270 if ((fd = fopen(MNTTAB, "r")) == NULL)
274 while (getmntent(fd, &mnt) == 0) {
275 if ( stat(mnt.mnt_mountp,&sbuf) == -1 )
277 DEBUG(5,("disk_quotas: testing \"%s\" devno=%o\n",
278 mnt.mnt_mountp,sbuf.st_dev));
279 if (sbuf.st_dev == devno) {
285 strcpy(name,mnt.mnt_mountp) ;
286 strcat(name,"/quotas") ;
289 if ((fd = setmntent(MOUNTED, "r")) == NULL)
293 while ((mnt = getmntent(fd)) != NULL) {
294 if ( stat(mnt->mnt_dir,&sbuf) == -1 )
296 DEBUG(5,("disk_quotas: testing \"%s\" devno=%o\n",
297 mnt->mnt_dir,sbuf.st_dev));
298 if (sbuf.st_dev == devno) {
304 strcpy(name,mnt->mnt_fsname) ;
312 euser_id = geteuid();
315 setuid(0); /* Solaris seems to want to give info only to super-user */
319 DEBUG(5,("disk_quotas: looking for quotas file \"%s\"\n", name));
320 if((file=open(name, O_RDONLY))<0) {
321 setuid(user_id); /* Restore the original UID status */
325 command.op = Q_GETQUOTA;
326 command.uid = euser_id;
327 command.addr = (caddr_t) &D;
328 ret = ioctl(file, Q_QUOTACTL, &command);
331 DEBUG(5,("disk_quotas: trying quotactl on device \"%s\"\n", name));
332 ret = quotactl(Q_GETQUOTA, name, euser_id, &D);
335 setuid(user_id); /* Restore the original UID status */
339 DEBUG(2,("disk_quotas ioctl (Solaris) failed\n"));
344 /* Use softlimit to determine disk space. A user exceeding the quota is told
345 * that there's no space left. Writes might actually work for a bit if the
346 * hardlimit is set higher than softlimit. Effectively the disk becomes
347 * made of rubber latex and begins to expand to accommodate the user :-)
350 if (D.dqb_bsoftlimit==0)
353 *dfree = D.dqb_bsoftlimit - D.dqb_curblocks;
354 *dsize = D.dqb_bsoftlimit;
358 *dsize = D.dqb_curblocks;
361 DEBUG(5,("disk_quotas for path \"%s\" returning bsize %d, dfree %d, dsize %d\n",
362 path,*bsize,*dfree,*dsize));
370 #include <ufs/ufs/quota.h>
372 #include <sys/quota.h>
376 /****************************************************************************
377 try to get the disk space from disk quotas - default version
378 ****************************************************************************/
379 BOOL disk_quotas(char *path, int *bsize, int *dfree, int *dsize)
381 uid_t user_id, euser_id;
387 /* find the block device file */
388 if ((stat(path, &S)<0) ||
389 (devnm(S_IFBLK, S.st_dev, dev_disk, 256, 0)<0)) return (False);
392 euser_id = geteuid();
395 /* for HPUX, real uid must be same as euid to execute quotactl for euid */
397 setresuid(euser_id,-1,-1);
398 r=quotactl(Q_GETQUOTA, dev_disk, euser_id, &D);
399 if (setresuid(user_id,-1,-1))
400 DEBUG(5,("Unable to reset uid to %d\n", user_id));
402 #if defined(__FreeBSD__)
403 r= quotactl(path,Q_GETQUOTA,euser_id,(char *) &D);
405 r=quotactl(Q_GETQUOTA, dev_disk, euser_id, &D);
409 /* Use softlimit to determine disk space, except when it has been exceeded */
416 *dsize =D.dqb_curblocks;
421 if (D.dqb_bsoftlimit==0)
423 /* Use softlimit to determine disk space, except when it has been exceeded */
424 if ((D.dqb_curblocks>D.dqb_bsoftlimit)
425 #if !defined(__FreeBSD__)
426 ||(D.dqb_curfiles>D.dqb_fsoftlimit)
430 *dsize = D.dqb_curblocks;
433 *dfree = D.dqb_bsoftlimit - D.dqb_curblocks;
434 *dsize = D.dqb_bsoftlimit;
442 /* this keeps fussy compilers happy */
443 void quotas_dummy(void) {}