/*
+ *
* Copyright (c) 1990,1993 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
+#endif /* HAVE_CONFIG_H */
+#ifndef NO_QUOTA_SUPPORT
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <string.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/param.h>
#include <unistd.h>
#include <fcntl.h>
-#include <syslog.h>
+#include <atalk/logger.h>
#include <atalk/afp.h>
+#include <atalk/compat.h>
+#include <atalk/unix.h>
+#include <atalk/util.h>
#include "auth.h"
#include "volume.h"
#include "unix.h"
-#ifndef NO_QUOTA_SUPPORT
+#ifdef HAVE_LIBQUOTA
+#include <quota/quota.h>
+
+static int
+getfreespace(const AFPObj *obj, struct vol *vol, VolSpace *bfree, VolSpace *btotal,
+ uid_t uid, const char *classq)
+{
+ int retq;
+ struct ufs_quota_entry ufsq[QUOTA_NLIMITS];
+ time_t now;
+
+ if (time(&now) == -1) {
+ LOG(log_info, logtype_afpd, "time(): %s",
+ strerror(errno));
+ return -1;
+ }
+
+ become_root();
+
+ if ((retq = getfsquota(obj, vol, ufsq, uid, classq)) < 0) {
+ LOG(log_info, logtype_afpd, "getfsquota(%s, %s): %s",
+ vol->v_path, classq, strerror(errno));
+ }
+
+ unbecome_root();
+
+ if (retq < 1)
+ return retq;
+
+ switch(QL_STATUS(quota_check_limit(ufsq[QUOTA_LIMIT_BLOCK].ufsqe_cur, 1,
+ ufsq[QUOTA_LIMIT_BLOCK].ufsqe_softlimit,
+ ufsq[QUOTA_LIMIT_BLOCK].ufsqe_hardlimit,
+ ufsq[QUOTA_LIMIT_BLOCK].ufsqe_time, now))) {
+ case QL_S_DENY_HARD:
+ case QL_S_DENY_GRACE:
+ *bfree = 0;
+ *btotal = dbtob(ufsq[QUOTA_LIMIT_BLOCK].ufsqe_cur);
+ break;
+ default:
+ *bfree = dbtob(ufsq[QUOTA_LIMIT_BLOCK].ufsqe_hardlimit -
+ ufsq[QUOTA_LIMIT_BLOCK].ufsqe_cur);
+ *btotal = dbtob(ufsq[QUOTA_LIMIT_BLOCK].ufsqe_hardlimit);
+ break;
+ }
+ return 1;
+}
+
+int uquota_getvolspace(const AFPObj *obj, struct vol *vol, VolSpace *bfree, VolSpace *btotal, const u_int32_t bsize)
+{
+ int uretq, gretq;
+ VolSpace ubfree, ubtotal;
+ VolSpace gbfree, gbtotal;
+
+ uretq = getfreespace(obj, vol, &ubfree, &ubtotal,
+ uuid, QUOTADICT_CLASS_USER);
+ LOG(log_info, logtype_afpd, "getfsquota(%s): %d %d",
+ vol->v_path, (int)ubfree, (int)ubtotal);
+ if (obj->ngroups >= 1) {
+ gretq = getfreespace(vol, &ubfree, &ubtotal,
+ obj->groups[0], QUOTADICT_CLASS_GROUP);
+ } else
+ gretq = -1;
+ if (uretq < 1 && gretq < 1) { /* no quota for this fs */
+ return AFPERR_PARAM;
+ }
+ if (uretq < 1) {
+ /* use group quotas */
+ *bfree = gbfree;
+ *btotal = gbtotal;
+ } else if (gretq < 1) {
+ /* use user quotas */
+ *bfree = ubfree;
+ *btotal = ubtotal;
+ } else {
+ /* return smallest remaining space of user and group */
+ if (ubfree < gbfree) {
+ *bfree = ubfree;
+ *btotal = ubtotal;
+ } else {
+ *bfree = gbfree;
+ *btotal = gbtotal;
+ }
+ }
+ return AFP_OK;
+
+}
+
+#else /* HAVE_LIBQUOTA */
+
+/*
+#define DEBUG_QUOTA 0
+*/
+
+#define WANT_USER_QUOTA 0
+#define WANT_GROUP_QUOTA 1
+
#ifdef NEED_QUOTACTL_WRAPPER
int quotactl(int cmd, const char *special, int id, caddr_t addr)
{
- return syscall(__NR_quotactl, cmd, special, id, addr);
+ return syscall(__NR_quotactl, cmd, special, id, addr);
}
+#endif /* NEED_QUOTACTL_WRAPPER */
+
+static int overquota( struct dqblk *);
+
+#ifdef linux
+
+#ifdef HAVE_LINUX_XQM_H
+#include <linux/xqm.h>
+#else
+#ifdef HAVE_XFS_XQM_H
+#include <xfs/xqm.h>
+#define HAVE_LINUX_XQM_H
+#else
+#ifdef HAVE_LINUX_DQBLK_XFS_H
+#include <linux/dqblk_xfs.h>
+#define HAVE_LINUX_XQM_H
+#endif /* HAVE_LINUX_DQBLK_XFS_H */
+#endif /* HAVE_XFS_XQM_H */
+#endif /* HAVE_LINUX_XQM_H */
+
+#include <linux/unistd.h>
+
+static int is_xfs = 0;
+
+static int get_linux_xfs_quota(int, char*, uid_t, struct dqblk *);
+static int get_linux_fs_quota(int, char*, uid_t, struct dqblk *);
+
+/* format supported by current kernel */
+static int kernel_iface = IFACE_UNSET;
+
+/*
+** Check kernel quota version
+** Taken from quota-tools 3.08 by Jan Kara <jack@suse.cz>
+*/
+static void linuxquota_get_api( void )
+{
+#ifndef LINUX_API_VERSION
+ struct stat st;
+
+ if (stat("/proc/sys/fs/quota", &st) == 0) {
+ kernel_iface = IFACE_GENERIC;
+ }
+ else {
+ struct dqstats_v2 v2_stats;
+ struct sigaction sig;
+ struct sigaction oldsig;
+
+ /* This signal handling is needed because old kernels send us SIGSEGV as they try to resolve the device */
+ sig.sa_handler = SIG_IGN;
+ sig.sa_sigaction = NULL;
+ sig.sa_flags = 0;
+ sigemptyset(&sig.sa_mask);
+ if (sigaction(SIGSEGV, &sig, &oldsig) < 0) {
+ LOG( log_error, logtype_afpd, "cannot set SEGV signal handler: %s", strerror(errno));
+ goto failure;
+ }
+ if (quotactl(QCMD(Q_V2_GETSTATS, 0), NULL, 0, (void *)&v2_stats) >= 0) {
+ kernel_iface = IFACE_VFSV0;
+ }
+ else if (errno != ENOSYS && errno != ENOTSUP) {
+ /* RedHat 7.1 (2.4.2-2) newquota check
+ * Q_V2_GETSTATS in it's old place, Q_GETQUOTA in the new place
+ * (they haven't moved Q_GETSTATS to its new value) */
+ int err_stat = 0;
+ int err_quota = 0;
+ char tmp[1024]; /* Just temporary buffer */
+
+ if (quotactl(QCMD(Q_V1_GETSTATS, 0), NULL, 0, tmp))
+ err_stat = errno;
+ if (quotactl(QCMD(Q_V1_GETQUOTA, 0), "/dev/null", 0, tmp))
+ err_quota = errno;
+
+ /* On a RedHat 2.4.2-2 we expect 0, EINVAL
+ * On a 2.4.x we expect 0, ENOENT
+ * On a 2.4.x-ac we wont get here */
+ if (err_stat == 0 && err_quota == EINVAL) {
+ kernel_iface = IFACE_VFSV0;
+ }
+ else {
+ kernel_iface = IFACE_VFSOLD;
+ }
+ }
+ else {
+ /* This branch is *not* in quota-tools 3.08
+ ** but without it quota version is not correctly
+ ** identified for the original SuSE 8.0 kernel */
+ unsigned int vers_no;
+ FILE * qf;
+
+ if ((qf = fopen("/proc/fs/quota", "r"))) {
+ if (fscanf(qf, "Version %u", &vers_no) == 1) {
+ if ( (vers_no == (6*10000 + 5*100 + 0)) ||
+ (vers_no == (6*10000 + 5*100 + 1)) ) {
+ kernel_iface = IFACE_VFSV0;
+ }
+ }
+ fclose(qf);
+ }
+ }
+ if (sigaction(SIGSEGV, &oldsig, NULL) < 0) {
+ LOG(log_error, logtype_afpd, "cannot reset signal handler: %s", strerror(errno));
+ goto failure;
+ }
+ }
+
+failure:
+ if (kernel_iface == IFACE_UNSET)
+ kernel_iface = IFACE_VFSOLD;
+
+#else /* defined LINUX_API_VERSION */
+ kernel_iface = LINUX_API_VERSION;
#endif
+}
+
+/****************************************************************************/
+
+static int get_linux_quota(int what, char *path, uid_t euser_id, struct dqblk *dp)
+{
+ int r; /* result */
+
+ if ( is_xfs )
+ r=get_linux_xfs_quota(what, path, euser_id, dp);
+ else
+ r=get_linux_fs_quota(what, path, euser_id, dp);
+
+ return r;
+}
+/****************************************************************************
+ Abstract out the XFS Quota Manager quota get call.
+****************************************************************************/
-#if defined(USE_MNTTAB_H) || defined(__svr4__)
+static int get_linux_xfs_quota(int what, char *path, uid_t euser_id, struct dqblk *dqb)
+{
+ int ret = -1;
+#ifdef HAVE_LINUX_XQM_H
+ struct fs_disk_quota D;
+
+ memset (&D, 0, sizeof(D));
+
+ if ((ret = quotactl(QCMD(Q_XGETQUOTA,(what ? GRPQUOTA : USRQUOTA)), path, euser_id, (caddr_t)&D)))
+ return ret;
+
+ dqb->bsize = (uint64_t)512;
+ dqb->dqb_bsoftlimit = (uint64_t)D.d_blk_softlimit;
+ dqb->dqb_bhardlimit = (uint64_t)D.d_blk_hardlimit;
+ dqb->dqb_ihardlimit = (uint64_t)D.d_ino_hardlimit;
+ dqb->dqb_isoftlimit = (uint64_t)D.d_ino_softlimit;
+ dqb->dqb_curinodes = (uint64_t)D.d_icount;
+ dqb->dqb_curblocks = (uint64_t)D.d_bcount;
+#endif
+ return ret;
+}
+
+/*
+** Wrapper for the quotactl(GETQUOTA) call.
+** For API v2 the results are copied back into a v1 structure.
+** Taken from quota-1.4.8 perl module
+*/
+static int get_linux_fs_quota(int what, char *path, uid_t euser_id, struct dqblk *dqb)
+{
+ int ret;
+
+ if (kernel_iface == IFACE_UNSET)
+ linuxquota_get_api();
+
+ if (kernel_iface == IFACE_GENERIC)
+ {
+ struct dqblk_v3 dqb3;
+
+ ret = quotactl(QCMD(Q_V3_GETQUOTA, (what ? GRPQUOTA : USRQUOTA)), path, euser_id, (caddr_t) &dqb3);
+ if (ret == 0)
+ {
+ dqb->dqb_bhardlimit = dqb3.dqb_bhardlimit;
+ dqb->dqb_bsoftlimit = dqb3.dqb_bsoftlimit;
+ dqb->dqb_curblocks = dqb3.dqb_curspace / DEV_QBSIZE;
+ dqb->dqb_ihardlimit = dqb3.dqb_ihardlimit;
+ dqb->dqb_isoftlimit = dqb3.dqb_isoftlimit;
+ dqb->dqb_curinodes = dqb3.dqb_curinodes;
+ dqb->dqb_btime = dqb3.dqb_btime;
+ dqb->dqb_itime = dqb3.dqb_itime;
+ dqb->bsize = DEV_QBSIZE;
+ }
+ }
+ else if (kernel_iface == IFACE_VFSV0)
+ {
+ struct dqblk_v2 dqb2;
+
+ ret = quotactl(QCMD(Q_V2_GETQUOTA, (what ? GRPQUOTA : USRQUOTA)), path, euser_id, (caddr_t) &dqb2);
+ if (ret == 0)
+ {
+ dqb->dqb_bhardlimit = dqb2.dqb_bhardlimit;
+ dqb->dqb_bsoftlimit = dqb2.dqb_bsoftlimit;
+ dqb->dqb_curblocks = dqb2.dqb_curspace / DEV_QBSIZE;
+ dqb->dqb_ihardlimit = dqb2.dqb_ihardlimit;
+ dqb->dqb_isoftlimit = dqb2.dqb_isoftlimit;
+ dqb->dqb_curinodes = dqb2.dqb_curinodes;
+ dqb->dqb_btime = dqb2.dqb_btime;
+ dqb->dqb_itime = dqb2.dqb_itime;
+ dqb->bsize = DEV_QBSIZE;
+ }
+ }
+ else /* if (kernel_iface == IFACE_VFSOLD) */
+ {
+ struct dqblk_v1 dqb1;
+
+ ret = quotactl(QCMD(Q_V1_GETQUOTA, (what ? GRPQUOTA : USRQUOTA)), path, euser_id, (caddr_t) &dqb1);
+ if (ret == 0)
+ {
+ dqb->dqb_bhardlimit = dqb1.dqb_bhardlimit;
+ dqb->dqb_bsoftlimit = dqb1.dqb_bsoftlimit;
+ dqb->dqb_curblocks = dqb1.dqb_curblocks;
+ dqb->dqb_ihardlimit = dqb1.dqb_ihardlimit;
+ dqb->dqb_isoftlimit = dqb1.dqb_isoftlimit;
+ dqb->dqb_curinodes = dqb1.dqb_curinodes;
+ dqb->dqb_btime = dqb1.dqb_btime;
+ dqb->dqb_itime = dqb1.dqb_itime;
+ dqb->bsize = DEV_QBSIZE;
+ }
+ }
+ return ret;
+}
+
+#endif /* linux */
+
+#if defined(HAVE_SYS_MNTTAB_H) || defined(__svr4__)
/*
* Return the mount point associated with the filesystem
* on which "file" resides. Returns NULL on failure.
*/
static char *
-mountp( file, nfs)
- char *file;
- int *nfs;
+mountp( char *file, int *nfs)
{
struct stat sb;
FILE *mtab;
dev_t devno;
static struct mnttab mnt;
- if ( stat( file, &sb ) < 0 ) {
- return( NULL );
+ if (stat(file, &sb) < 0) {
+ return( NULL );
}
devno = sb.st_dev;
if (( mtab = fopen( "/etc/mnttab", "r" )) == NULL ) {
- return( NULL );
+ return( NULL );
}
while ( getmntent( mtab, &mnt ) == 0 ) {
- /* local fs */
- if ( (stat( mnt.mnt_special, &sb ) == 0) && (devno == sb.st_rdev)) {
- fclose( mtab );
- return mnt.mnt_mountp;
- }
-
- /* check for nfs. we probably should use
- * strcmp(mnt.mnt_fstype, MNTTYPE_NFS), but that's not as fast. */
- if ((stat(mnt.mnt_mountp, &sb) == 0) && (devno == sb.st_dev) &&
- strchr(mnt.mnt_special, ':')) {
- *nfs = 1;
- fclose( mtab );
- return mnt.mnt_special;
- }
+ /* local fs */
+ if ( (stat( mnt.mnt_special, &sb ) == 0) && (devno == sb.st_rdev)) {
+ fclose( mtab );
+ return mnt.mnt_mountp;
+ }
+
+ /* check for nfs. we probably should use
+ * strcmp(mnt.mnt_fstype, MNTTYPE_NFS), but that's not as fast. */
+ if ((stat(mnt.mnt_mountp, &sb) == 0) && (devno == sb.st_dev) &&
+ strchr(mnt.mnt_special, ':')) {
+ *nfs = 1;
+ fclose( mtab );
+ return mnt.mnt_special;
+ }
}
fclose( mtab );
#else /* __svr4__ */
#ifdef ultrix
/*
- * Return the block-special device name associated with the filesystem
- * on which "file" resides. Returns NULL on failure.
- */
+* Return the block-special device name associated with the filesystem
+* on which "file" resides. Returns NULL on failure.
+*/
static char *
-special( file, nfs )
- char *file;
- int *nfs;
+special( char *file, int *nfs)
{
static struct fs_data fsd;
if ( getmnt(0, &fsd, 0, STAT_ONE, file ) < 0 ) {
- syslog(LOG_INFO, "special: getmnt %s: %m", file );
- return( NULL );
+ LOG(log_info, logtype_afpd, "special: getmnt %s: %s", file, strerror(errno) );
+ return( NULL );
}
/* XXX: does this really detect an nfs mounted fs? */
if (strchr(fsd.fd_req.devname, ':'))
- *nfs = 1;
+ *nfs = 1;
return( fsd.fd_req.devname );
}
#else /* ultrix */
-#if defined(USE_MOUNT_H) || defined(BSD4_4) || defined(_IBMR2)
+#if (defined(HAVE_SYS_MOUNT_H) && !defined(__linux__)) || defined(BSD4_4) || defined(_IBMR2)
static char *
-special( file, nfs )
- char *file;
- int *nfs;
+special(char *file, int *nfs)
{
static struct statfs sfs;
if ( statfs( file, &sfs ) < 0 ) {
- return( NULL );
+ return( NULL );
}
+#ifdef TRU64
+ /* Digital UNIX: The struct sfs contains a field sfs.f_type,
+ * the MOUNT_* constants are defined in <sys/mount.h> */
+ if ((sfs.f_type == MOUNT_NFS)||(sfs.f_type == MOUNT_NFS3))
+#else /* TRU64 */
/* XXX: make sure this really detects an nfs mounted fs */
if (strchr(sfs.f_mntfromname, ':'))
- *nfs = 1;
+#endif /* TRU64 */
+ *nfs = 1;
return( sfs.f_mntfromname );
}
#else /* BSD4_4 */
static char *
-special( file, nfs )
- char *file;
- int *nfs;
+special(char *file, int *nfs)
{
struct stat sb;
FILE *mtab;
dev_t devno;
struct mntent *mnt;
+ int found=0;
- if ( stat( file, &sb ) < 0 ) {
- return( NULL );
+ if (stat(file, &sb) < 0 ) {
+ return( NULL );
}
devno = sb.st_dev;
if (( mtab = setmntent( "/etc/mtab", "r" )) == NULL ) {
- return( NULL );
+ return( NULL );
}
while (( mnt = getmntent( mtab )) != NULL ) {
- /* check for local fs */
- if ( (stat( mnt->mnt_fsname, &sb ) == 0) && devno == sb.st_rdev) {
- endmntent( mtab );
- return( mnt->mnt_fsname );
- }
-
- /* check for an nfs mount entry. the alternative is to use
- * strcmp(mnt->mnt_type, MNTTYPE_NFS) instead of the strchr. */
- if ((stat(mnt->mnt_dir, &sb) == 0) && (devno == sb.st_dev) &&
- strchr(mnt->mnt_fsname, ':')) {
- *nfs = 1;
- endmntent( mtab );
- return( mnt->mnt_fsname );
- }
+ /* check for local fs */
+ if ( (stat( mnt->mnt_fsname, &sb ) == 0) && devno == sb.st_rdev) {
+ found = 1;
+ break;
+ }
+
+ /* check for an nfs mount entry. the alternative is to use
+ * strcmp(mnt->mnt_type, MNTTYPE_NFS) instead of the strchr. */
+ if ((stat(mnt->mnt_dir, &sb) == 0) && (devno == sb.st_dev) &&
+ strchr(mnt->mnt_fsname, ':')) {
+ *nfs = 1;
+ found = 1;
+ break;
+ }
}
endmntent( mtab );
- return( NULL );
+
+ if (!found)
+ return (NULL);
+#ifdef linux
+ if (strcmp(mnt->mnt_type, "xfs") == 0)
+ is_xfs = 1;
+#endif
+
+ return( mnt->mnt_fsname );
}
#endif /* BSD4_4 */
#endif /* __svr4__ */
-static int getfsquota(vol, uid, dq)
- struct vol *vol;
- const int uid;
- struct dqblk *dq;
+static int getfsquota(const AFPObj *obj, struct vol *vol, const int uid, struct dqblk *dq)
+
{
+ struct dqblk dqg;
+
#ifdef __svr4__
- struct quotctl qc;
+ struct quotctl qc;
+#endif
+ memset(dq, 0, sizeof(struct dqblk));
+ memset(&dqg, 0, sizeof(dqg));
+
+#ifdef __svr4__
qc.op = Q_GETQUOTA;
qc.uid = uid;
qc.addr = (caddr_t)dq;
if ( ioctl( vol->v_qfd, Q_QUOTACTL, &qc ) < 0 ) {
- return( AFPERR_PARAM );
+ return( AFPERR_PARAM );
}
#else /* __svr4__ */
#ifdef ultrix
if ( quota( Q_GETDLIM, uid, vol->v_gvs, dq ) != 0 ) {
- return( AFPERR_PARAM );
+ return( AFPERR_PARAM );
}
-#else ultrix
+#else /* ultrix */
#ifndef USRQUOTA
#define USRQUOTA 0
#define QCMD(a,b) (a)
#endif
+#ifndef TRU64
/* for group quotas. we only use these if the user belongs
- * to one group. */
- struct dqblk dqg;
-
- memset(&dqg, 0, sizeof(dqg));
+ * to one group. */
+#endif /* TRU64 */
#ifdef BSD4_4
- if ( quotactl( vol->v_gvs, QCMD(Q_GETQUOTA,USRQUOTA),
- uid, (char *)dq ) != 0 ) {
- return( AFPERR_PARAM );
+ become_root();
+ if ( quotactl( vol->v_path, QCMD(Q_GETQUOTA,USRQUOTA),
+ uid, (char *)dq ) != 0 ) {
+ /* try group quotas */
+ if (obj->ngroups >= 1) {
+ if ( quotactl(vol->v_path, QCMD(Q_GETQUOTA, GRPQUOTA),
+ obj->groups[0], (char *) &dqg) != 0 ) {
+ unbecome_root();
+ return( AFPERR_PARAM );
+ }
+ }
+ }
+ unbecome_root();
}
- if (ngroups == 1)
- quotactl(vol->v_gvs, QCMD(Q_GETQUOTA, GRPQUOTA),
- groups[0], (char *) &dqg);
-
#else /* BSD4_4 */
- if ( quotactl(QCMD(Q_GETQUOTA, USRQUOTA), vol->v_gvs, uid,
- (caddr_t) dq ) != 0 ) {
- return( AFPERR_PARAM );
+ if (get_linux_quota (WANT_USER_QUOTA, vol->v_gvs, uid, dq) !=0) {
+#ifdef DEBUG_QUOTA
+ LOG(log_debug, logtype_afpd, "user quota did not work!" );
+#endif /* DEBUG_QUOTA */
}
- if (ngroups == 1)
- quotactl(QCMD(Q_GETQUOTA, GRPQUOTA), vol->v_gvs,
- groups[0], (char *) &dqg);
-#endif /* BSD4_4 */
-
- /* set stuff up for group quotas if necessary */
+ if (get_linux_quota(WANT_GROUP_QUOTA, vol->v_gvs, getegid(), &dqg) != 0) {
+#ifdef DEBUG_QUOTA
+ LOG(log_debug, logtype_afpd, "group quota did not work!" );
+#endif /* DEBUG_QUOTA */
- /* max(user blocks, group blocks) */
- if (dqg.dqb_curblocks && (dq->dqb_curblocks < dqg.dqb_curblocks))
- dq->dqb_curblocks = dqg.dqb_curblocks;
-
- /* min(user limit, group limit) */
- if (dqg.dqb_bhardlimit && (!dq->dqb_bhardlimit ||
- (dq->dqb_bhardlimit > dqg.dqb_bhardlimit)))
- dq->dqb_bhardlimit = dqg.dqb_bhardlimit;
+ return AFP_OK; /* no need to check user vs group quota */
+ }
+#endif /* BSD4_4 */
- /* ditto */
- if (dqg.dqb_bsoftlimit && (!dq->dqb_bsoftlimit ||
- (dq->dqb_bsoftlimit > dqg.dqb_bsoftlimit)))
- dq->dqb_bsoftlimit = dqg.dqb_bsoftlimit;
- /* ditto */
- if (dqg.dqb_btimelimit && (!dq->dqb_btimelimit ||
- (dq->dqb_btimelimit > dqg.dqb_btimelimit)))
- dq->dqb_btimelimit = dqg.dqb_btimelimit;
+#ifndef TRU64
+ /* return either the group quota entry or user quota entry,
+ whichever has the least amount of space remaining
+ */
+
+ /* if user space remaining > group space remaining */
+ if(
+ /* if overquota, free space is 0 otherwise hard-current */
+ ( overquota( dq ) ? 0 : ( dq->dqb_bhardlimit ? dq->dqb_bhardlimit -
+ dq->dqb_curblocks : ~((uint64_t) 0) ) )
+
+ >
+
+ ( overquota( &dqg ) ? 0 : ( dqg.dqb_bhardlimit ? dqg.dqb_bhardlimit -
+ dqg.dqb_curblocks : ~((uint64_t) 0) ) )
+
+ ) /* if */
+ {
+ /* use group quota limits rather than user limits */
+ dq->dqb_bhardlimit = dqg.dqb_bhardlimit;
+ dq->dqb_bsoftlimit = dqg.dqb_bsoftlimit;
+ dq->dqb_curblocks = dqg.dqb_curblocks;
+ dq->dqb_ihardlimit = dqg.dqb_ihardlimit;
+ dq->dqb_isoftlimit = dqg.dqb_isoftlimit;
+ dq->dqb_curinodes = dqg.dqb_curinodes;
+ dq->dqb_btime = dqg.dqb_btime;
+ dq->dqb_itime = dqg.dqb_itime;
+ dq->bsize = dqg.bsize;
+ } /* if */
+
+#endif /* TRU64 */
#endif /* ultrix */
#endif /* __svr4__ */
}
-static int getquota( vol, dq, bsize)
- struct vol *vol;
- struct dqblk *dq;
- const u_int32_t bsize;
+static int getquota(const AFPObj *obj, struct vol *vol, struct dqblk *dq, const uint32_t bsize)
{
char *p;
char buf[ MAXPATHLEN + 1];
if ( vol->v_qfd == -1 && vol->v_gvs == NULL) {
- if (( p = mountp( vol->v_path, &vol->v_nfs)) == NULL ) {
- syslog( LOG_INFO, "getquota: mountp %s fails", vol->v_path );
- return( AFPERR_PARAM );
- }
-
- if (vol->v_nfs) {
- if (( vol->v_gvs = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
- syslog( LOG_ERR, "getquota: malloc: %m" );
- return AFPERR_MISC;
- }
- strcpy( vol->v_gvs, p );
+ if (( p = mountp( vol->v_path, &vol->v_nfs)) == NULL ) {
+ LOG(log_info, logtype_afpd, "getquota: mountp %s fails", vol->v_path );
+ return( AFPERR_PARAM );
+ }
+
+ if (vol->v_nfs) {
+ if (( vol->v_gvs = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
+ LOG(log_error, logtype_afpd, "getquota: malloc: %s", strerror(errno) );
+ return AFPERR_MISC;
+ }
+ strcpy( vol->v_gvs, p );
+
+ } else {
+ sprintf( buf, "%s/quotas", p );
+ if (( vol->v_qfd = open( buf, O_RDONLY, 0 )) < 0 ) {
+ LOG(log_info, logtype_afpd, "open %s: %s", buf, strerror(errno) );
+ return( AFPERR_PARAM );
+ }
+ }
- } else {
- sprintf( buf, "%s/quotas", p );
- if (( vol->v_qfd = open( buf, O_RDONLY, 0 )) < 0 ) {
- syslog( LOG_INFO, "open %s: %m", buf );
- return( AFPERR_PARAM );
- }
- }
-
}
#else
if ( vol->v_gvs == NULL ) {
- if (( p = special( vol->v_path, &vol->v_nfs )) == NULL ) {
- syslog( LOG_INFO, "getquota: special %s fails", vol->v_path );
- return( AFPERR_PARAM );
- }
-
- if (( vol->v_gvs = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
- syslog( LOG_ERR, "getquota: malloc: %m" );
- return AFPERR_MISC;
- }
- strcpy( vol->v_gvs, p );
+ if (( p = special( vol->v_path, &vol->v_nfs )) == NULL ) {
+ LOG(log_info, logtype_afpd, "getquota: special %s fails", vol->v_path );
+ return( AFPERR_PARAM );
+ }
+
+ if (( vol->v_gvs = (char *)malloc( strlen( p ) + 1 )) == NULL ) {
+ LOG(log_error, logtype_afpd, "getquota: malloc: %s", strerror(errno) );
+ return AFPERR_MISC;
+ }
+ strcpy( vol->v_gvs, p );
}
#endif
- return vol->v_nfs ? getnfsquota(vol, uuid, bsize, dq) :
- getfsquota(vol, uuid, dq);
+#ifdef TRU64
+ /* Digital UNIX: Two forms of specifying an NFS filesystem are possible,
+ either 'hostname:path' or 'path@hostname' (Ultrix heritage) */
+ if (vol->v_nfs) {
+ char *hostpath;
+ char pathstring[MNAMELEN];
+ /* MNAMELEN ist defined in <sys/mount.h> */
+ int result;
+
+ if ((hostpath = strchr(vol->v_gvs,'@')) != NULL ) {
+ /* convert 'path@hostname' to 'hostname:path',
+ * call getnfsquota(),
+ * convert 'hostname:path' back to 'path@hostname' */
+ *hostpath = '\0';
+ sprintf(pathstring,"%s:%s",hostpath+1,vol->v_gvs);
+ strcpy(vol->v_gvs,pathstring);
+
+ result = getnfsquota(vol, uuid, bsize, dq);
+
+ hostpath = strchr(vol->v_gvs,':');
+ *hostpath = '\0';
+ sprintf(pathstring,"%s@%s",hostpath+1,vol->v_gvs);
+ strcpy(vol->v_gvs,pathstring);
+
+ return result;
+ }
+ else
+ /* vol->v_gvs is of the form 'hostname:path' */
+ return getnfsquota(vol, uuid, bsize, dq);
+ } else
+ /* local filesystem */
+ return getfsquota(obj, vol, obj->uid, dq);
+
+#else /* TRU64 */
+ return vol->v_nfs ? getnfsquota(vol, obj->uid, bsize, dq) :
+ getfsquota(obj, vol, obj->uid, dq);
+#endif /* TRU64 */
}
-static int overquota( dqblk )
- struct dqblk *dqblk;
+static int overquota( struct dqblk *dqblk)
{
struct timeval tv;
- if ( dqblk->dqb_curblocks < dqblk->dqb_bsoftlimit ) {
- return( 0 );
+ if ( dqblk->dqb_curblocks > dqblk->dqb_bhardlimit &&
+ dqblk->dqb_bhardlimit != 0 ) {
+ return( 1 );
+ }
+
+ if ( dqblk->dqb_curblocks < dqblk->dqb_bsoftlimit ||
+ dqblk->dqb_bsoftlimit == 0 ) {
+ return( 0 );
}
#ifdef ultrix
if ( dqblk->dqb_bwarn ) {
- return( 0 );
+ return( 0 );
}
#else /* ultrix */
- if ( gettimeofday( &tv, 0 ) < 0 ) {
- syslog( LOG_ERR, "overquota: gettimeofday: %m" );
- return( AFPERR_PARAM );
+ if ( gettimeofday( &tv, NULL ) < 0 ) {
+ LOG(log_error, logtype_afpd, "overquota: gettimeofday: %s", strerror(errno) );
+ return( AFPERR_PARAM );
}
- if ( !dqblk->dqb_btimelimit || dqblk->dqb_btimelimit > tv.tv_sec ) {
- return( 0 );
+ if ( dqblk->dqb_btimelimit && dqblk->dqb_btimelimit > tv.tv_sec ) {
+ return( 0 );
}
#endif /* ultrix */
return( 1 );
}
+/*
+ * This next bit is basically for linux -- everything is fine
+ * if you use 1k blocks... but if you try (for example) to mount
+ * a volume via nfs from a netapp (which might use 4k blocks) everything
+ * gets reported improperly. I have no idea about dbtob on other
+ * platforms.
+ */
+
+#ifdef HAVE_BROKEN_DBTOB
+#undef dbtob
+#define dbtob(a, b) ((VolSpace)((VolSpace)(a) * (VolSpace)(b)))
+#define HAVE_2ARG_DBTOB
+#endif
#ifndef dbtob
#define dbtob(a) ((a) << 10)
#endif
-/* i do the cast to VolSpace here to make sure that 64-bit shifts
+/* i do the cast to VolSpace here to make sure that 64-bit shifts
work */
#ifdef HAVE_2ARG_DBTOB
#define tobytes(a, b) dbtob((VolSpace) (a), (VolSpace) (b))
#else
#define tobytes(a, b) dbtob((VolSpace) (a))
#endif
-int uquota_getvolspace( vol, bfree, btotal, bsize)
- const struct vol *vol;
- VolSpace *bfree, *btotal;
- const u_int32_t bsize;
+
+int uquota_getvolspace(const AFPObj *obj, struct vol *vol, VolSpace *bfree, VolSpace *btotal, const uint32_t bsize)
{
- struct dqblk dqblk;
+ uint64_t this_bsize;
+ struct dqblk dqblk;
- if (getquota( vol, &dqblk, bsize) != 0 ) {
- return( AFPERR_PARAM );
- }
+ this_bsize = bsize;
+
+ if (getquota(obj, vol, &dqblk, bsize) != 0 ) {
+ return( AFPERR_PARAM );
+ }
- /* no limit set for this user. it might be set in the future. */
- if (dqblk.dqb_bsoftlimit == 0 && dqblk.dqb_bhardlimit == 0) {
- *btotal = *bfree = ~((VolSpace) 0);
- } else if ( overquota( &dqblk )) {
- *btotal = tobytes( dqblk.dqb_bhardlimit, bsize );
- *bfree = tobytes( dqblk.dqb_bhardlimit, bsize ) -
- tobytes( dqblk.dqb_curblocks, bsize );
- } else {
- *btotal = tobytes( dqblk.dqb_bsoftlimit, bsize );
- *bfree = tobytes( dqblk.dqb_bsoftlimit, bsize ) -
- tobytes( dqblk.dqb_curblocks, bsize );
- }
+#ifdef linux
+ this_bsize = dqblk.bsize;
+#endif
+
+#ifdef DEBUG_QUOTA
+ LOG(log_debug, logtype_afpd, "after calling getquota in uquota_getvolspace!" );
+ LOG(log_debug, logtype_afpd, "dqb_ihardlimit: %u", dqblk.dqb_ihardlimit );
+ LOG(log_debug, logtype_afpd, "dqb_isoftlimit: %u", dqblk.dqb_isoftlimit );
+ LOG(log_debug, logtype_afpd, "dqb_curinodes : %u", dqblk.dqb_curinodes );
+ LOG(log_debug, logtype_afpd, "dqb_bhardlimit: %u", dqblk.dqb_bhardlimit );
+ LOG(log_debug, logtype_afpd, "dqb_bsoftlimit: %u", dqblk.dqb_bsoftlimit );
+ LOG(log_debug, logtype_afpd, "dqb_curblocks : %u", dqblk.dqb_curblocks );
+ LOG(log_debug, logtype_afpd, "dqb_btime : %u", dqblk.dqb_btime );
+ LOG(log_debug, logtype_afpd, "dqb_itime : %u", dqblk.dqb_itime );
+ LOG(log_debug, logtype_afpd, "bsize/this_bsize : %u/%u", bsize, this_bsize );
+ LOG(log_debug, logtype_afpd, "dqblk.dqb_bhardlimit size: %u", tobytes( dqblk.dqb_bhardlimit, this_bsize ));
+ LOG(log_debug, logtype_afpd, "dqblk.dqb_bsoftlimit size: %u", tobytes( dqblk.dqb_bsoftlimit, this_bsize ));
+ LOG(log_debug, logtype_afpd, "dqblk.dqb_curblocks size: %u", tobytes( dqblk.dqb_curblocks, this_bsize ));
+#endif /* DEBUG_QUOTA */
+
+ /* no limit set for this user. it might be set in the future. */
+ if (dqblk.dqb_bsoftlimit == 0 && dqblk.dqb_bhardlimit == 0) {
+ *btotal = *bfree = ~((VolSpace) 0);
+ } else if ( overquota( &dqblk )) {
+ if ( tobytes( dqblk.dqb_curblocks, this_bsize ) > tobytes( dqblk.dqb_bsoftlimit, this_bsize ) ) {
+ *btotal = tobytes( dqblk.dqb_curblocks, this_bsize );
+ *bfree = 0;
+ }
+ else {
+ *btotal = tobytes( dqblk.dqb_bsoftlimit, this_bsize );
+ *bfree = tobytes( dqblk.dqb_bsoftlimit, this_bsize ) -
+ tobytes( dqblk.dqb_curblocks, this_bsize );
+ }
+ } else {
+ *btotal = tobytes( dqblk.dqb_bhardlimit, this_bsize );
+ *bfree = tobytes( dqblk.dqb_bhardlimit, this_bsize ) -
+ tobytes( dqblk.dqb_curblocks, this_bsize );
+ }
+
+#ifdef DEBUG_QUOTA
+ LOG(log_debug, logtype_afpd, "bfree : %u", *bfree );
+ LOG(log_debug, logtype_afpd, "btotal : %u", *btotal );
+ LOG(log_debug, logtype_afpd, "bfree : %uKB", *bfree/1024 );
+ LOG(log_debug, logtype_afpd, "btotal : %uKB", *btotal/1024 );
+#endif
- return( AFP_OK );
+ return( AFP_OK );
}
+#endif /* HAVE_LIBQUOTA */
#endif
projects / netatalk.git / blobdiff