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quota_schema.c revision 1.4 
      1 /*	$NetBSD: quota_schema.c,v 1.4 2012/01/25 17:43:37 dholland Exp $	*/
      2 /*-
      3  * Copyright (c) 2011 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by David A. Holland.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include <sys/cdefs.h>
     32 __RCSID("$NetBSD: quota_schema.c,v 1.4 2012/01/25 17:43:37 dholland Exp $");
     33 
     34 #include <sys/types.h>
     35 #include <sys/statvfs.h>
     36 #include <stdlib.h>
     37 #include <string.h>
     38 #include <errno.h>
     39 
     40 #include <quota.h>
     41 #include "quotapvt.h"
     42 
     43 /*
     44  * Functions for getting information about idtypes and such.
     45  */
     46 
     47 const char *
     48 quota_getimplname(struct quotahandle *qh)
     49 {
     50 	switch (qh->qh_mode) {
     51 	    case QUOTA_MODE_NFS:
     52 		/* XXX this should maybe report the rquotad protocol version */
     53 		return "nfs via rquotad";
     54 
     55 	    case QUOTA_MODE_PROPLIB:
     56 		return __quota_proplib_getimplname(qh);
     57 
     58 	    case QUOTA_MODE_OLDFILES:
     59 		return __quota_proplib_getimplname(qh);
     60 
     61 	    default:
     62 		break;
     63 	}
     64 	errno = EINVAL;
     65 	return NULL;
     66 }
     67 
     68 /* ARGSUSED */
     69 unsigned
     70 quota_getnumidtypes(struct quotahandle *qh)
     71 {
     72 	switch (qh->qh_mode) {
     73 	    case QUOTA_MODE_NFS:
     74 		/* XXX for old rquotad versions this should be 1... */
     75 		return 2;
     76 
     77 	    case QUOTA_MODE_PROPLIB:
     78 		return __quota_proplib_getnumidtypes();
     79 
     80 	    case QUOTA_MODE_OLDFILES:
     81 	    default:
     82 		break;
     83 	}
     84 	return 2;
     85 }
     86 
     87 /* ARGSUSED */
     88 const char *
     89 quota_idtype_getname(struct quotahandle *qh, int idtype)
     90 {
     91 	switch (qh->qh_mode) {
     92 	    case QUOTA_MODE_PROPLIB:
     93 		return __quota_proplib_idtype_getname(idtype);
     94 
     95 	    case QUOTA_MODE_NFS:
     96 	    case QUOTA_MODE_OLDFILES:
     97 		break;
     98 	}
     99 
    100 	switch (idtype) {
    101 	    case QUOTA_IDTYPE_USER:
    102 		return "user";
    103 
    104 	    case QUOTA_IDTYPE_GROUP:
    105 		return "group";
    106 
    107 	    default:
    108 		break;
    109 	}
    110 	errno = EINVAL;
    111 	return "???";
    112 }
    113 
    114 /* ARGSUSED */
    115 unsigned
    116 quota_getnumobjtypes(struct quotahandle *qh)
    117 {
    118 	switch (qh->qh_mode) {
    119 	    case QUOTA_MODE_PROPLIB:
    120 		return __quota_proplib_getnumobjtypes();
    121 
    122 	    case QUOTA_MODE_NFS:
    123 	    case QUOTA_MODE_OLDFILES:
    124 	    default:
    125 		break;
    126 	}
    127 	return 2;
    128 }
    129 
    130 /* ARGSUSED */
    131 const char *
    132 quota_objtype_getname(struct quotahandle *qh, int objtype)
    133 {
    134 	switch (qh->qh_mode) {
    135 	    case QUOTA_MODE_PROPLIB:
    136 		return __quota_proplib_objtype_getname(objtype);
    137 	    case QUOTA_MODE_NFS:
    138 	    case QUOTA_MODE_OLDFILES:
    139 	    default:
    140 		break;
    141 	}
    142 
    143 	switch (objtype) {
    144 	    case QUOTA_OBJTYPE_BLOCKS:
    145 		return "block";
    146 	    case QUOTA_OBJTYPE_FILES:
    147 		return "file";
    148 	    default:
    149 		break;
    150 	}
    151 	errno = EINVAL;
    152 	return "???"; /* ? */
    153 }
    154 
    155 /* ARGSUSED */
    156 int
    157 quota_objtype_isbytes(struct quotahandle *qh, int objtype)
    158 {
    159 	switch (qh->qh_mode) {
    160 	    case QUOTA_MODE_PROPLIB:
    161 		return __quota_proplib_objtype_isbytes(objtype);
    162 	    case QUOTA_MODE_NFS:
    163 	    case QUOTA_MODE_OLDFILES:
    164 	    default:
    165 		break;
    166 	}
    167 
    168 	switch (objtype) {
    169 	    case QUOTA_OBJTYPE_BLOCKS:
    170 		return 1;
    171 	    case QUOTA_OBJTYPE_FILES:
    172 		return 0;
    173 	    default:
    174 		break;
    175 	}
    176 	errno = EINVAL;
    177 	return 0; /* ? */
    178 }
    179