1 /* $NetBSD: quota_schema.c,v 1.7 2012/02/01 05:46:46 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 1.7 2012/02/01 05:46:46 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_OLDFILES: 56 return __quota_oldfiles_getimplname(qh); 57 58 case QUOTA_MODE_KERNEL: 59 return __quota_kernel_getimplname(qh); 60 61 default: 62 break; 63 } 64 errno = EINVAL; 65 return NULL; 66 } 67 68 unsigned 69 quota_getrestrictions(struct quotahandle *qh) 70 { 71 switch (qh->qh_mode) { 72 case QUOTA_MODE_NFS: 73 /* XXX this should maybe report the rquotad protocol version */ 74 return QUOTA_RESTRICT_32BIT | QUOTA_RESTRICT_READONLY; 75 76 case QUOTA_MODE_OLDFILES: 77 return QUOTA_RESTRICT_NEEDSQUOTACHECK | 78 QUOTA_RESTRICT_UNIFORMGRACE | 79 QUOTA_RESTRICT_32BIT; 80 81 case QUOTA_MODE_KERNEL: 82 return __quota_kernel_getrestrictions(qh); 83 84 default: 85 break; 86 } 87 errno = EINVAL; 88 return 0; 89 } 90 91 int 92 quota_getnumidtypes(struct quotahandle *qh) 93 { 94 switch (qh->qh_mode) { 95 case QUOTA_MODE_NFS: 96 /* XXX for old rquotad versions this should be 1... */ 97 return 2; 98 99 case QUOTA_MODE_KERNEL: 100 return __quota_kernel_getnumidtypes(qh); 101 102 case QUOTA_MODE_OLDFILES: 103 default: 104 break; 105 } 106 return 2; 107 } 108 109 const char * 110 quota_idtype_getname(struct quotahandle *qh, int idtype) 111 { 112 switch (qh->qh_mode) { 113 case QUOTA_MODE_KERNEL: 114 return __quota_kernel_idtype_getname(qh, idtype); 115 116 case QUOTA_MODE_NFS: 117 case QUOTA_MODE_OLDFILES: 118 break; 119 } 120 121 switch (idtype) { 122 case QUOTA_IDTYPE_USER: 123 return "user"; 124 125 case QUOTA_IDTYPE_GROUP: 126 return "group"; 127 128 default: 129 break; 130 } 131 errno = EINVAL; 132 return "???"; 133 } 134 135 int 136 quota_getnumobjtypes(struct quotahandle *qh) 137 { 138 switch (qh->qh_mode) { 139 case QUOTA_MODE_KERNEL: 140 return __quota_kernel_getnumobjtypes(qh); 141 142 case QUOTA_MODE_NFS: 143 case QUOTA_MODE_OLDFILES: 144 default: 145 break; 146 } 147 return 2; 148 } 149 150 const char * 151 quota_objtype_getname(struct quotahandle *qh, int objtype) 152 { 153 switch (qh->qh_mode) { 154 case QUOTA_MODE_KERNEL: 155 return __quota_kernel_objtype_getname(qh, objtype); 156 case QUOTA_MODE_NFS: 157 case QUOTA_MODE_OLDFILES: 158 default: 159 break; 160 } 161 162 switch (objtype) { 163 case QUOTA_OBJTYPE_BLOCKS: 164 return "block"; 165 case QUOTA_OBJTYPE_FILES: 166 return "file"; 167 default: 168 break; 169 } 170 errno = EINVAL; 171 return "???"; /* ? */ 172 } 173 174 int 175 quota_objtype_isbytes(struct quotahandle *qh, int objtype) 176 { 177 switch (qh->qh_mode) { 178 case QUOTA_MODE_KERNEL: 179 return __quota_kernel_objtype_isbytes(qh, objtype); 180 case QUOTA_MODE_NFS: 181 case QUOTA_MODE_OLDFILES: 182 default: 183 break; 184 } 185 186 switch (objtype) { 187 case QUOTA_OBJTYPE_BLOCKS: 188 return 1; 189 case QUOTA_OBJTYPE_FILES: 190 return 0; 191 default: 192 break; 193 } 194 errno = EINVAL; 195 return 0; /* ? */ 196 } 197