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 http://www.opensolaris.org/os/licensing. 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 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright 2017 Nexenta Systems, Inc. All rights reserved. 24 */ 25 26 #include <sys/synch.h> 27 #include <smbsrv/smb_kproto.h> 28 #include <smbsrv/smb_fsops.h> 29 #include <sys/nbmlock.h> 30 31 /* 32 * NT_RENAME InformationLevels: 33 * 34 * SMB_NT_RENAME_MOVE_CLUSTER_INFO Server returns invalid parameter. 35 * SMB_NT_RENAME_SET_LINK_INFO Create a hard link to a file. 36 * SMB_NT_RENAME_RENAME_FILE In-place rename of a file. 37 * SMB_NT_RENAME_MOVE_FILE Move (rename) a file. 38 */ 39 #define SMB_NT_RENAME_MOVE_CLUSTER_INFO 0x0102 40 #define SMB_NT_RENAME_SET_LINK_INFO 0x0103 41 #define SMB_NT_RENAME_RENAME_FILE 0x0104 42 #define SMB_NT_RENAME_MOVE_FILE 0x0105 43 44 /* 45 * smb_com_rename 46 * 47 * Rename a file. Files OldFileName must exist and NewFileName must not. 48 * Both pathnames must be relative to the Tid specified in the request. 49 * Open files may be renamed. 50 * 51 * Multiple files may be renamed in response to a single request as Rename 52 * File supports wildcards in the file name (last component of the path). 53 * NOTE: we don't support rename with wildcards. 54 * 55 * SearchAttributes indicates the attributes that the target file(s) must 56 * have. If SearchAttributes is zero then only normal files are renamed. 57 * If the system file or hidden attributes are specified then the rename 58 * is inclusive - both the specified type(s) of files and normal files are 59 * renamed. 60 */ 61 smb_sdrc_t 62 smb_pre_rename(smb_request_t *sr) 63 { 64 smb_fqi_t *src_fqi = &sr->arg.dirop.fqi; 65 smb_fqi_t *dst_fqi = &sr->arg.dirop.dst_fqi; 66 int rc; 67 68 if ((rc = smbsr_decode_vwv(sr, "w", &src_fqi->fq_sattr)) == 0) { 69 rc = smbsr_decode_data(sr, "%SS", sr, &src_fqi->fq_path.pn_path, 70 &dst_fqi->fq_path.pn_path); 71 72 dst_fqi->fq_sattr = 0; 73 } 74 75 DTRACE_SMB_START(op__Rename, smb_request_t *, sr); /* arg.dirop */ 76 77 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 78 } 79 80 void 81 smb_post_rename(smb_request_t *sr) 82 { 83 DTRACE_SMB_DONE(op__Rename, smb_request_t *, sr); 84 } 85 86 smb_sdrc_t 87 smb_com_rename(smb_request_t *sr) 88 { 89 smb_fqi_t *src_fqi = &sr->arg.dirop.fqi; 90 smb_fqi_t *dst_fqi = &sr->arg.dirop.dst_fqi; 91 smb_pathname_t *src_pn = &src_fqi->fq_path; 92 smb_pathname_t *dst_pn = &dst_fqi->fq_path; 93 uint32_t status; 94 95 if (!STYPE_ISDSK(sr->tid_tree->t_res_type)) { 96 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 97 ERRDOS, ERROR_ACCESS_DENIED); 98 return (SDRC_ERROR); 99 } 100 101 smb_pathname_init(sr, src_pn, src_pn->pn_path); 102 smb_pathname_init(sr, dst_pn, dst_pn->pn_path); 103 if (!smb_pathname_validate(sr, src_pn) || 104 !smb_pathname_validate(sr, dst_pn)) { 105 return (SDRC_ERROR); 106 } 107 108 status = smb_common_rename(sr, src_fqi, dst_fqi); 109 if (status != 0) { 110 smbsr_error(sr, status, 0, 0); 111 return (SDRC_ERROR); 112 } 113 114 (void) smbsr_encode_empty_result(sr); 115 return (SDRC_SUCCESS); 116 } 117 118 /* 119 * smb_com_nt_rename 120 * 121 * Rename a file. Files OldFileName must exist and NewFileName must not. 122 * Both pathnames must be relative to the Tid specified in the request. 123 * Open files may be renamed. 124 * 125 * SearchAttributes indicates the attributes that the target file(s) must 126 * have. If SearchAttributes is zero then only normal files are renamed. 127 * If the system file or hidden attributes are specified then the rename 128 * is inclusive - both the specified type(s) of files and normal files are 129 * renamed. 130 */ 131 smb_sdrc_t 132 smb_pre_nt_rename(smb_request_t *sr) 133 { 134 smb_fqi_t *src_fqi = &sr->arg.dirop.fqi; 135 smb_fqi_t *dst_fqi = &sr->arg.dirop.dst_fqi; 136 uint32_t clusters; 137 int rc; 138 139 rc = smbsr_decode_vwv(sr, "wwl", &src_fqi->fq_sattr, 140 &sr->arg.dirop.info_level, &clusters); 141 if (rc == 0) { 142 rc = smbsr_decode_data(sr, "%SS", sr, 143 &src_fqi->fq_path.pn_path, &dst_fqi->fq_path.pn_path); 144 145 dst_fqi->fq_sattr = 0; 146 } 147 148 DTRACE_SMB_START(op__NtRename, smb_request_t *, sr); /* arg.dirop */ 149 150 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 151 } 152 153 void 154 smb_post_nt_rename(smb_request_t *sr) 155 { 156 DTRACE_SMB_DONE(op__NtRename, smb_request_t *, sr); 157 } 158 159 smb_sdrc_t 160 smb_com_nt_rename(smb_request_t *sr) 161 { 162 smb_fqi_t *src_fqi = &sr->arg.dirop.fqi; 163 smb_fqi_t *dst_fqi = &sr->arg.dirop.dst_fqi; 164 smb_pathname_t *src_pn = &src_fqi->fq_path; 165 smb_pathname_t *dst_pn = &dst_fqi->fq_path; 166 uint32_t status; 167 168 if (!STYPE_ISDSK(sr->tid_tree->t_res_type)) { 169 smbsr_error(sr, NT_STATUS_ACCESS_DENIED, 170 ERRDOS, ERROR_ACCESS_DENIED); 171 return (SDRC_ERROR); 172 } 173 174 smb_pathname_init(sr, src_pn, src_pn->pn_path); 175 smb_pathname_init(sr, dst_pn, dst_pn->pn_path); 176 if (!smb_pathname_validate(sr, src_pn) || 177 !smb_pathname_validate(sr, dst_pn)) { 178 return (SDRC_ERROR); 179 } 180 181 if (smb_contains_wildcards(src_pn->pn_path)) { 182 smbsr_error(sr, NT_STATUS_OBJECT_PATH_SYNTAX_BAD, 183 ERRDOS, ERROR_BAD_PATHNAME); 184 return (SDRC_ERROR); 185 } 186 187 switch (sr->arg.dirop.info_level) { 188 case SMB_NT_RENAME_SET_LINK_INFO: 189 status = smb_make_link(sr, src_fqi, dst_fqi); 190 break; 191 case SMB_NT_RENAME_RENAME_FILE: 192 case SMB_NT_RENAME_MOVE_FILE: 193 status = smb_common_rename(sr, src_fqi, dst_fqi); 194 break; 195 case SMB_NT_RENAME_MOVE_CLUSTER_INFO: 196 status = NT_STATUS_INVALID_PARAMETER; 197 break; 198 default: 199 status = NT_STATUS_ACCESS_DENIED; 200 break; 201 } 202 203 if (status != 0) { 204 smbsr_error(sr, status, 0, 0); 205 return (SDRC_ERROR); 206 } 207 208 (void) smbsr_encode_empty_result(sr); 209 return (SDRC_SUCCESS); 210 } 211 212 /* 213 * smb_nt_transact_rename 214 * 215 * Windows servers return SUCCESS without renaming file. 216 * The only check required is to check that the handle (fid) is valid. 217 */ 218 smb_sdrc_t 219 smb_nt_transact_rename(smb_request_t *sr, smb_xa_t *xa) 220 { 221 if (smb_mbc_decodef(&xa->req_param_mb, "w", &sr->smb_fid) != 0) 222 return (SDRC_ERROR); 223 224 smbsr_lookup_file(sr); 225 if (sr->fid_ofile == NULL) { 226 smbsr_error(sr, NT_STATUS_INVALID_HANDLE, ERRDOS, ERRbadfid); 227 return (SDRC_ERROR); 228 } 229 smbsr_release_file(sr); 230 231 return (SDRC_SUCCESS); 232 } 233