1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or https://opensource.org/licenses/CDDL-1.0. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2011 Gunnar Beutner 25 * Copyright (c) 2018, 2022 by Delphix. All rights reserved. 26 */ 27 28 #include <stdio.h> 29 #include <stdlib.h> 30 #include <stddef.h> 31 #include <string.h> 32 #include <errno.h> 33 #include <libintl.h> 34 #include <sys/file.h> 35 #include <sys/types.h> 36 #include <sys/stat.h> 37 #include <unistd.h> 38 #include <libzfs.h> 39 #include <libshare.h> 40 #include "libshare_impl.h" 41 42 #define init_share(zfsname, path, shareopts) \ 43 { \ 44 .sa_zfsname = zfsname, \ 45 .sa_mountpoint = path, \ 46 .sa_shareopts = shareopts, \ 47 } 48 49 #define VALIDATE_PROTOCOL(proto, ...) \ 50 if ((proto) < 0 || (proto) >= SA_PROTOCOL_COUNT) \ 51 return __VA_ARGS__ 52 53 const char *const sa_protocol_names[SA_PROTOCOL_COUNT] = { 54 [SA_PROTOCOL_NFS] = "nfs", 55 [SA_PROTOCOL_SMB] = "smb", 56 }; 57 58 static const sa_fstype_t *fstypes[SA_PROTOCOL_COUNT] = 59 {&libshare_nfs_type, &libshare_smb_type}; 60 61 int 62 sa_enable_share(const char *zfsname, const char *mountpoint, 63 const char *shareopts, enum sa_protocol protocol) 64 { 65 VALIDATE_PROTOCOL(protocol, SA_INVALID_PROTOCOL); 66 67 const struct sa_share_impl args = 68 init_share(zfsname, mountpoint, shareopts); 69 return (fstypes[protocol]->enable_share(&args)); 70 } 71 72 int 73 sa_disable_share(const char *mountpoint, enum sa_protocol protocol) 74 { 75 VALIDATE_PROTOCOL(protocol, SA_INVALID_PROTOCOL); 76 77 const struct sa_share_impl args = init_share(NULL, mountpoint, NULL); 78 return (fstypes[protocol]->disable_share(&args)); 79 } 80 81 boolean_t 82 sa_is_shared(const char *mountpoint, enum sa_protocol protocol) 83 { 84 VALIDATE_PROTOCOL(protocol, B_FALSE); 85 86 const struct sa_share_impl args = init_share(NULL, mountpoint, NULL); 87 return (fstypes[protocol]->is_shared(&args)); 88 } 89 90 void 91 sa_commit_shares(enum sa_protocol protocol) 92 { 93 /* CSTYLED */ 94 VALIDATE_PROTOCOL(protocol, ); 95 96 fstypes[protocol]->commit_shares(); 97 } 98 99 void 100 sa_truncate_shares(enum sa_protocol protocol) 101 { 102 /* CSTYLED */ 103 VALIDATE_PROTOCOL(protocol, ); 104 105 if (fstypes[protocol]->truncate_shares != NULL) 106 fstypes[protocol]->truncate_shares(); 107 } 108 109 int 110 sa_validate_shareopts(const char *options, enum sa_protocol protocol) 111 { 112 VALIDATE_PROTOCOL(protocol, SA_INVALID_PROTOCOL); 113 114 return (fstypes[protocol]->validate_shareopts(options)); 115 } 116 117 /* 118 * sa_errorstr(err) 119 * 120 * convert an error value to an error string 121 */ 122 const char * 123 sa_errorstr(int err) 124 { 125 static char errstr[32]; 126 127 switch (err) { 128 case SA_OK: 129 return (dgettext(TEXT_DOMAIN, "ok")); 130 case SA_NO_SUCH_PATH: 131 return (dgettext(TEXT_DOMAIN, "path doesn't exist")); 132 case SA_NO_MEMORY: 133 return (dgettext(TEXT_DOMAIN, "no memory")); 134 case SA_DUPLICATE_NAME: 135 return (dgettext(TEXT_DOMAIN, "name in use")); 136 case SA_BAD_PATH: 137 return (dgettext(TEXT_DOMAIN, "bad path")); 138 case SA_NO_SUCH_GROUP: 139 return (dgettext(TEXT_DOMAIN, "no such group")); 140 case SA_CONFIG_ERR: 141 return (dgettext(TEXT_DOMAIN, "configuration error")); 142 case SA_SYSTEM_ERR: 143 return (dgettext(TEXT_DOMAIN, "system error")); 144 case SA_SYNTAX_ERR: 145 return (dgettext(TEXT_DOMAIN, "syntax error")); 146 case SA_NO_PERMISSION: 147 return (dgettext(TEXT_DOMAIN, "no permission")); 148 case SA_BUSY: 149 return (dgettext(TEXT_DOMAIN, "busy")); 150 case SA_NO_SUCH_PROP: 151 return (dgettext(TEXT_DOMAIN, "no such property")); 152 case SA_INVALID_NAME: 153 return (dgettext(TEXT_DOMAIN, "invalid name")); 154 case SA_INVALID_PROTOCOL: 155 return (dgettext(TEXT_DOMAIN, "invalid protocol")); 156 case SA_NOT_ALLOWED: 157 return (dgettext(TEXT_DOMAIN, "operation not allowed")); 158 case SA_BAD_VALUE: 159 return (dgettext(TEXT_DOMAIN, "bad property value")); 160 case SA_INVALID_SECURITY: 161 return (dgettext(TEXT_DOMAIN, "invalid security type")); 162 case SA_NO_SUCH_SECURITY: 163 return (dgettext(TEXT_DOMAIN, "security type not found")); 164 case SA_VALUE_CONFLICT: 165 return (dgettext(TEXT_DOMAIN, "property value conflict")); 166 case SA_NOT_IMPLEMENTED: 167 return (dgettext(TEXT_DOMAIN, "not implemented")); 168 case SA_INVALID_PATH: 169 return (dgettext(TEXT_DOMAIN, "invalid path")); 170 case SA_NOT_SUPPORTED: 171 return (dgettext(TEXT_DOMAIN, "operation not supported")); 172 case SA_PROP_SHARE_ONLY: 173 return (dgettext(TEXT_DOMAIN, "property not valid for group")); 174 case SA_NOT_SHARED: 175 return (dgettext(TEXT_DOMAIN, "not shared")); 176 case SA_NO_SUCH_RESOURCE: 177 return (dgettext(TEXT_DOMAIN, "no such resource")); 178 case SA_RESOURCE_REQUIRED: 179 return (dgettext(TEXT_DOMAIN, "resource name required")); 180 case SA_MULTIPLE_ERROR: 181 return (dgettext(TEXT_DOMAIN, 182 "errors from multiple protocols")); 183 case SA_PATH_IS_SUBDIR: 184 return (dgettext(TEXT_DOMAIN, "path is a subpath of share")); 185 case SA_PATH_IS_PARENTDIR: 186 return (dgettext(TEXT_DOMAIN, "path is parent of a share")); 187 case SA_NO_SECTION: 188 return (dgettext(TEXT_DOMAIN, "protocol requires a section")); 189 case SA_NO_PROPERTIES: 190 return (dgettext(TEXT_DOMAIN, "properties not found")); 191 case SA_NO_SUCH_SECTION: 192 return (dgettext(TEXT_DOMAIN, "section not found")); 193 case SA_PASSWORD_ENC: 194 return (dgettext(TEXT_DOMAIN, "passwords must be encrypted")); 195 case SA_SHARE_EXISTS: 196 return (dgettext(TEXT_DOMAIN, 197 "path or file is already shared")); 198 default: 199 (void) snprintf(errstr, sizeof (errstr), 200 dgettext(TEXT_DOMAIN, "unknown %d"), err); 201 return (errstr); 202 } 203 } 204