/*
+ * $Id: quota.c,v 1.23 2003-12-15 04:49:56 srittau Exp $
+ *
* 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 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
+
+/* STDC check */
+#if STDC_HEADERS
+#include <string.h>
+#else /* STDC_HEADERS */
+#ifndef HAVE_STRCHR
+#define strchr index
+#define strrchr index
+#endif /* HAVE_STRCHR */
+char *strchr (), *strrchr ();
+#ifndef HAVE_MEMCPY
+#define memcpy(d,s,n) bcopy ((s), (d), (n))
+#define memmove(d,s,n) bcopy ((s), (d), (n))
+#endif /* ! HAVE_MEMCPY */
+#endif /* STDC_HEADERS */
+
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/param.h>
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#ifdef HAVE_FCNTL_H
#include <fcntl.h>
-#include <syslog.h>
+#endif /* HAVE_FCNTL_H */
+#include <atalk/logger.h>
#include <atalk/afp.h>
#include "unix.h"
#ifndef NO_QUOTA_SUPPORT
-#ifdef NEED_QUOTACTL_WRAPPER
-int quotactl(int cmd, const char *special, int id, caddr_t addr)
-{
- return syscall(__NR_quotactl, cmd, special, id, addr);
-}
-#endif
-#if defined(USE_MNTTAB_H) || defined(__svr4__)
+#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;
+char *file;
+int *nfs;
{
struct stat sb;
FILE *mtab;
static struct mnttab mnt;
if ( stat( file, &sb ) < 0 ) {
- return( NULL );
+ 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;
+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;
+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 );
}
static char *
special( file, nfs )
- char *file;
- int *nfs;
+char *file;
+int *nfs;
{
struct stat sb;
FILE *mtab;
struct mntent *mnt;
if ( stat( file, &sb ) < 0 ) {
- return( NULL );
+ 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) {
+ 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 );
+ }
}
endmntent( mtab );
static int getfsquota(vol, uid, dq)
- struct vol *vol;
- const int uid;
- struct dqblk *dq;
+struct vol *vol;
+const int uid;
+struct dqblk *dq;
{
#ifdef __svr4__
struct quotctl qc;
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. */
+ * to one group. */
struct dqblk dqg;
memset(&dqg, 0, sizeof(dqg));
+#endif /* TRU64 */
#ifdef BSD4_4
- if ( quotactl( vol->v_gvs, QCMD(Q_GETQUOTA,USRQUOTA),
- uid, (char *)dq ) != 0 ) {
- return( AFPERR_PARAM );
+ if ( seteuid( getuid() ) == 0 ) {
+ if ( quotactl( vol->v_path, QCMD(Q_GETQUOTA,USRQUOTA),
+ uid, (char *)dq ) != 0 ) {
+ /* try group quotas */
+ if (ngroups >= 1) {
+ if ( quotactl(vol->v_path, QCMD(Q_GETQUOTA, GRPQUOTA),
+ groups[0], (char *) &dqg) != 0 ) {
+ seteuid( uid );
+ return( AFPERR_PARAM );
+ }
+ }
+ }
+ seteuid( uid );
+ }
+
+#elif defined(TRU64)
+ if ( seteuid( getuid() ) == 0 ) {
+ if ( quotactl( vol->v_path, QCMD(Q_GETQUOTA, USRQUOTA),
+ uid, (char *)dq ) != 0 ) {
+ seteuid( uid );
+ return ( AFPERR_PARAM );
+ }
+ seteuid( uid );
}
- 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 );
+ (caddr_t) dq ) != 0 ) {
+ return( AFPERR_PARAM );
}
- if (ngroups == 1)
- quotactl(QCMD(Q_GETQUOTA, GRPQUOTA), vol->v_gvs,
- groups[0], (char *) &dqg);
+ if (ngroups >= 1)
+ quotactl(QCMD(Q_GETQUOTA, GRPQUOTA), vol->v_gvs,
+ groups[0], (char *) &dqg);
#endif /* BSD4_4 */
+#ifndef TRU64
/* set stuff up for group quotas if necessary */
/* max(user blocks, group blocks) */
if (dqg.dqb_curblocks && (dq->dqb_curblocks < 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;
+ (dq->dqb_bhardlimit > dqg.dqb_bhardlimit)))
+ dq->dqb_bhardlimit = dqg.dqb_bhardlimit;
/* ditto */
if (dqg.dqb_bsoftlimit && (!dq->dqb_bsoftlimit ||
- (dq->dqb_bsoftlimit > dqg.dqb_bsoftlimit)))
- dq->dqb_bsoftlimit = dqg.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;
+ (dq->dqb_btimelimit > dqg.dqb_btimelimit)))
+ dq->dqb_btimelimit = dqg.dqb_btimelimit;
+
+#endif /* TRU64 */
#endif /* ultrix */
#endif /* __svr4__ */
static int getquota( vol, dq, bsize)
- struct vol *vol;
- struct dqblk *dq;
- const u_int32_t bsize;
+struct vol *vol;
+struct dqblk *dq;
+const u_int32_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 (( 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 );
+ }
+ }
- 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 );
-
- } 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(vol, uuid, dq);
+
+#else /* TRU64 */
+ return vol->v_nfs ? getnfsquota(vol, uuid, bsize, dq) :
+ getfsquota(vol, uuid, dq);
+#endif /* TRU64 */
}
static int overquota( dqblk )
- struct dqblk *dqblk;
+struct dqblk *dqblk;
{
struct timeval tv;
if ( dqblk->dqb_curblocks < dqblk->dqb_bsoftlimit ) {
- return( 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 );
+ 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))
#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;
+const struct vol *vol;
+VolSpace *bfree, *btotal;
+const u_int32_t bsize;
{
struct dqblk dqblk;
if (getquota( vol, &dqblk, bsize) != 0 ) {
- return( AFPERR_PARAM );
+ 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);
+ *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 );
+ if ( tobytes( dqblk.dqb_curblocks, bsize ) > tobytes( dqblk.dqb_bhardlimit, bsize ) ) {
+ *btotal = tobytes( dqblk.dqb_curblocks, bsize );
+ *bfree = 0;
+ }
+ else {
+ *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 );
+ *btotal = tobytes( dqblk.dqb_bsoftlimit, bsize );
+ *bfree = tobytes( dqblk.dqb_bsoftlimit, bsize ) -
+ tobytes( dqblk.dqb_curblocks, bsize );
}
return( AFP_OK );
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