/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ Unix SMB/CIFS implementation.
support for quotas
Copyright (C) Andrew Tridgell 1992-1998
#include "includes.h"
-extern int DEBUGLEVEL;
-
#if defined(VXFS_QUOTA)
/*
#include <sys/types.h>
#include <asm/types.h>
-#include <sys/quota.h>
+
+/*
+ * This shouldn't be neccessary - it should be /usr/include/sys/quota.h
+ * Unfortunately, RH7.1 ships with a different quota system using struct mem_dqblk
+ * rather than the struct dqblk defined in /usr/include/sys/quota.h.
+ * This means we must include linux/quota.h to have a hope of working on
+ * RH7.1 systems. And it also means this breaks if the kernel is upgraded
+ * to a Linus 2.4.x (where x > the minor number shipped with RH7.1) until
+ * Linus synchronises with the AC patches. Sometimes I *hate* Linux :-). JRA.
+ */
+
+#include <linux/quota.h>
+#ifdef HAVE_LINUX_XQM_H
+#include <linux/xqm.h>
+#endif
#include <mntent.h>
#include <linux/unistd.h>
-_syscall4(int, quotactl, int, cmd, const char *, special, int, id, caddr_t, addr);
+
+#define LINUX_QUOTAS_2
+
+typedef struct _LINUX_SMB_DISK_QUOTA {
+ SMB_BIG_UINT bsize;
+ SMB_BIG_UINT hardlimit; /* In bsize units. */
+ SMB_BIG_UINT softlimit; /* In bsize units. */
+ SMB_BIG_UINT curblocks; /* In bsize units. */
+ SMB_BIG_UINT ihardlimit; /* inode hard limit. */
+ SMB_BIG_UINT isoftlimit; /* inode soft limit. */
+ SMB_BIG_UINT curinodes; /* Current used inodes. */
+} LINUX_SMB_DISK_QUOTA;
+
+/****************************************************************************
+ Abstract out the XFS Quota Manager quota get call.
+****************************************************************************/
+
+static int get_smb_linux_xfs_quota(char *path, uid_t euser_id, LINUX_SMB_DISK_QUOTA *dp)
+{
+ int ret = -1;
+#ifdef HAVE_LINUX_XQM_H
+ struct fs_disk_quota D;
+ ZERO_STRUCT(D);
+
+ if ((ret = quotactl(QCMD(Q_XGETQUOTA,USRQUOTA), path, euser_id, (caddr_t)&D)))
+ return ret;
+
+ dp->bsize = (SMB_BIG_UINT)512;
+ dp->softlimit = (SMB_BIG_UINT)D.d_blk_softlimit;
+ dp->hardlimit = (SMB_BIG_UINT)D.d_blk_hardlimit;
+ dp->ihardlimit = (SMB_BIG_UINT)D.d_ino_hardlimit;
+ dp->isoftlimit = (SMB_BIG_UINT)D.d_ino_softlimit;
+ dp->curinodes = (SMB_BIG_UINT)D.d_icount;
+ dp->curblocks = (SMB_BIG_UINT)D.d_bcount;
+#endif
+ return ret;
+}
+
+/****************************************************************************
+ Abstract out the old and new Linux quota get calls.
+****************************************************************************/
+
+static int get_smb_linux_vfs_quota(char *path, uid_t euser_id, LINUX_SMB_DISK_QUOTA *dp)
+{
+ int ret;
+#ifdef LINUX_QUOTAS_1
+ struct dqblk D;
+ ZERO_STRUCT(D);
+ dp->bsize = (SMB_BIG_UINT)1024;
+#else /* LINUX_QUOTAS_2 */
+ struct mem_dqblk D;
+ ZERO_STRUCT(D);
+#ifndef QUOTABLOCK_SIZE
+#define QUOTABLOCK_SIZE 1024
+#endif
+ dp->bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
+#endif
+
+ if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), path, euser_id, (caddr_t)&D)))
+ return -1;
+
+ 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;
+
+#ifdef LINUX_QUOTAS_1
+ dp->curblocks = (SMB_BIG_UINT)D.dqb_curblocks;
+#else /* LINUX_QUOTAS_2 */
+ dp->curblocks = ((SMB_BIG_UINT)D.dqb_curspace)/ dp->bsize;
+#endif
+
+ return 0;
+}
/****************************************************************************
try to get the disk space from disk quotas (LINUX version)
****************************************************************************/
-BOOL disk_quotas(char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
+BOOL disk_quotas(const char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
{
- int r;
- struct dqblk D;
- SMB_STRUCT_STAT S;
- FILE *fp;
- struct mntent *mnt;
- SMB_DEV_T devno;
- int found;
- uid_t euser_id;
+ int r;
+ SMB_STRUCT_STAT S;
+ FILE *fp;
+ LINUX_SMB_DISK_QUOTA D;
+ struct mntent *mnt;
+ SMB_DEV_T devno;
+ int found;
+ uid_t euser_id;
- euser_id = geteuid();
+ euser_id = geteuid();
- /* find the block device file */
+ /* find the block device file */
- if ( sys_stat(path, &S) == -1 ) {
- return(False) ;
- }
+ if ( sys_stat(path, &S) == -1 )
+ return(False) ;
- devno = S.st_dev ;
+ devno = S.st_dev ;
- fp = setmntent(MOUNTED,"r");
- found = False ;
+ fp = setmntent(MOUNTED,"r");
+ found = False ;
- while ((mnt = getmntent(fp))) {
- if ( sys_stat(mnt->mnt_dir,&S) == -1 )
- continue ;
- if (S.st_dev == devno) {
- found = True ;
- break ;
- }
- }
- endmntent(fp) ;
+ while ((mnt = getmntent(fp))) {
+ if ( sys_stat(mnt->mnt_dir,&S) == -1 )
+ continue ;
+
+ if (S.st_dev == devno) {
+ found = True ;
+ break;
+ }
+ }
+
+ endmntent(fp) ;
- if (!found) {
- return(False);
- }
+ if (!found)
+ return(False);
- save_re_uid();
- set_effective_uid(0);
- r=quotactl(QCMD(Q_GETQUOTA,USRQUOTA), mnt->mnt_fsname, euser_id, (caddr_t)&D);
- restore_re_uid();
+ save_re_uid();
+ set_effective_uid(0);
+ if (strcmp(mnt->mnt_type, "xfs") == 0)
+ r=get_smb_linux_xfs_quota(mnt->mnt_fsname, euser_id, &D);
+ else
+ r=get_smb_linux_vfs_quota(mnt->mnt_fsname, euser_id, &D);
+ restore_re_uid();
- /* Use softlimit to determine disk space, except when it has been exceeded */
- *bsize = 1024;
- if (r)
- {
- if (errno == EDQUOT)
- {
- *dfree =0;
- *dsize =D.dqb_curblocks;
- return (True);
- }
- else return(False);
- }
- /* Use softlimit to determine disk space, except when it has been exceeded */
- if (
- (D.dqb_bsoftlimit && D.dqb_curblocks>=D.dqb_bsoftlimit) ||
- (D.dqb_bhardlimit && D.dqb_curblocks>=D.dqb_bhardlimit) ||
- (D.dqb_isoftlimit && D.dqb_curinodes>=D.dqb_isoftlimit) ||
- (D.dqb_ihardlimit && D.dqb_curinodes>=D.dqb_ihardlimit)
- )
- {
- *dfree = 0;
- *dsize = D.dqb_curblocks;
- }
- else if (D.dqb_bsoftlimit==0 && D.dqb_bhardlimit==0)
- {
- return(False);
- }
- else {
- if (D.dqb_bsoftlimit == 0)
- D.dqb_bsoftlimit = D.dqb_bhardlimit;
- *dfree = D.dqb_bsoftlimit - D.dqb_curblocks;
- *dsize = D.dqb_bsoftlimit;
- }
- return (True);
+ /* Use softlimit to determine disk space, except when it has been exceeded */
+ *bsize = D.bsize;
+ if (r == -1) {
+ if (errno == EDQUOT) {
+ *dfree =0;
+ *dsize =D.curblocks;
+ return (True);
+ } else {
+ return(False);
+ }
+ }
+
+ /* Use softlimit to determine disk space, except when it has been exceeded */
+ if (
+ (D.softlimit && D.curblocks >= D.softlimit) ||
+ (D.hardlimit && D.curblocks >= D.hardlimit) ||
+ (D.isoftlimit && D.curinodes >= D.isoftlimit) ||
+ (D.ihardlimit && D.curinodes>=D.ihardlimit)
+ ) {
+ *dfree = 0;
+ *dsize = D.curblocks;
+ } else if (D.softlimit==0 && D.hardlimit==0) {
+ return(False);
+ } else {
+ if (D.softlimit == 0)
+ D.softlimit = D.hardlimit;
+ *dfree = D.softlimit - D.curblocks;
+ *dsize = D.softlimit;
+ }
+
+ return (True);
}
#elif defined(CRAY)
try to get the disk space from disk quotas (CRAY VERSION)
****************************************************************************/
-BOOL disk_quotas(char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
+BOOL disk_quotas(const char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
{
struct mntent *mnt;
FILE *fd;
DEBUG(5,("nfs_quotas: For path \"%s\" returning bsize %.0f, dfree %.0f, dsize %.0f\n",args.gqa_pathp,(double)*bsize,(double)*dfree,(double)*dsize));
- safe_free(cutstr);
+ SAFE_FREE(cutstr);
DEBUG(10,("nfs_quotas: End of nfs_quotas\n" ));
return ret;
}
Quota code by Peter Urbanec (amiga@cse.unsw.edu.au).
****************************************************************************/
-BOOL disk_quotas(char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
+BOOL disk_quotas(const char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
{
uid_t euser_id;
int ret;
try to get the disk space from disk quotas - OSF1 version
****************************************************************************/
-BOOL disk_quotas(char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
+BOOL disk_quotas(const char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
{
int r, save_errno;
struct dqblk D;
#include <sys/quota.h>
#include <mntent.h>
-BOOL disk_quotas(char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
+BOOL disk_quotas(const char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
{
uid_t euser_id;
int r;
try to get the disk space from disk quotas - default version
****************************************************************************/
-BOOL disk_quotas(char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
+BOOL disk_quotas(const char *path, SMB_BIG_UINT *bsize, SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
{
int r;
struct dqblk D;
git.samba.org / samba.git / blobdiff