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 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "@(#)smb_create.c 1.7 08/08/08 SMI" 27 28 #include <smbsrv/smb_incl.h> 29 30 #define SMB_CREATE_NAMEBUF_SZ 16 31 32 static uint32_t smb_common_create(smb_request_t *sr); 33 34 /* 35 * Create a new file, or truncate an existing file to zero length, 36 * open the file and return a fid. The file is specified using a 37 * fully qualified name relative to the tree. 38 */ 39 smb_sdrc_t 40 smb_pre_create(smb_request_t *sr) 41 { 42 struct open_param *op = &sr->arg.open; 43 int rc; 44 45 bzero(op, sizeof (sr->arg.open)); 46 47 rc = smbsr_decode_vwv(sr, "wl", &op->dattr, &op->crtime.tv_sec); 48 if (rc == 0) 49 rc = smbsr_decode_data(sr, "%S", sr, &op->fqi.path); 50 51 op->create_disposition = FILE_OVERWRITE_IF; 52 53 DTRACE_SMB_2(op__Create__start, smb_request_t *, sr, 54 struct open_param *, op); 55 56 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 57 } 58 59 void 60 smb_post_create(smb_request_t *sr) 61 { 62 DTRACE_SMB_1(op__Create__done, smb_request_t *, sr); 63 } 64 65 smb_sdrc_t 66 smb_com_create(smb_request_t *sr) 67 { 68 if (smb_common_create(sr) != NT_STATUS_SUCCESS) 69 return (SDRC_ERROR); 70 71 if (smbsr_encode_result(sr, 1, 0, "bww", 1, sr->smb_fid, 0)) 72 return (SDRC_ERROR); 73 74 return (SDRC_SUCCESS); 75 } 76 77 /* 78 * Create a new file and return a fid. The file is specified using 79 * a fully qualified name relative to the tree. 80 */ 81 smb_sdrc_t 82 smb_pre_create_new(smb_request_t *sr) 83 { 84 struct open_param *op = &sr->arg.open; 85 int rc; 86 87 bzero(op, sizeof (sr->arg.open)); 88 89 rc = smbsr_decode_vwv(sr, "wl", &op->dattr, &op->crtime.tv_sec); 90 if (rc == 0) 91 rc = smbsr_decode_data(sr, "%S", sr, &op->fqi.path); 92 93 op->create_disposition = FILE_CREATE; 94 95 DTRACE_SMB_2(op__CreateNew__start, smb_request_t *, sr, 96 struct open_param *, op); 97 98 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 99 } 100 101 void 102 smb_post_create_new(smb_request_t *sr) 103 { 104 DTRACE_SMB_1(op__CreateNew__done, smb_request_t *, sr); 105 } 106 107 smb_sdrc_t 108 smb_com_create_new(smb_request_t *sr) 109 { 110 if (smb_common_create(sr) != NT_STATUS_SUCCESS) 111 return (SDRC_ERROR); 112 113 if (smbsr_encode_result(sr, 1, 0, "bww", 1, sr->smb_fid, 0)) 114 return (SDRC_ERROR); 115 116 return (SDRC_SUCCESS); 117 } 118 119 /* 120 * Create a unique file in the specified directory relative to the 121 * current tree. No attributes are specified. 122 */ 123 smb_sdrc_t 124 smb_pre_create_temporary(smb_request_t *sr) 125 { 126 struct open_param *op = &sr->arg.open; 127 uint16_t reserved; 128 int rc; 129 130 bzero(op, sizeof (sr->arg.open)); 131 132 rc = smbsr_decode_vwv(sr, "wl", &reserved, &op->crtime.tv_sec); 133 if (rc == 0) 134 rc = smbsr_decode_data(sr, "%S", sr, &op->fqi.path); 135 136 op->create_disposition = FILE_CREATE; 137 138 DTRACE_SMB_2(op__CreateTemporary__start, smb_request_t *, sr, 139 struct open_param *, op); 140 141 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 142 } 143 144 void 145 smb_post_create_temporary(smb_request_t *sr) 146 { 147 DTRACE_SMB_1(op__CreateTemporary__done, smb_request_t *, sr); 148 } 149 150 smb_sdrc_t 151 smb_com_create_temporary(smb_request_t *sr) 152 { 153 static uint16_t tmp_id = 10000; 154 struct open_param *op = &sr->arg.open; 155 char name[SMB_CREATE_NAMEBUF_SZ]; 156 char *buf; 157 uint16_t bcc; 158 159 ++tmp_id; 160 bcc = 1; /* null terminator */ 161 bcc += snprintf(name, SMB_CREATE_NAMEBUF_SZ, "tt%05d.tmp", tmp_id); 162 163 buf = smbsr_malloc(&sr->request_storage, MAXPATHLEN); 164 (void) snprintf(buf, MAXPATHLEN, "%s\\%s", op->fqi.path, name); 165 op->fqi.path = buf; 166 167 if (smb_common_create(sr) != NT_STATUS_SUCCESS) 168 return (SDRC_ERROR); 169 170 if (smbsr_encode_result(sr, 1, VAR_BCC, "bww%S", 1, sr->smb_fid, 171 VAR_BCC, sr, name)) 172 return (SDRC_ERROR); 173 174 return (SDRC_SUCCESS); 175 } 176 177 /* 178 * Common create file function. The file is opened in compatibility 179 * mode with read/write access. 180 */ 181 uint32_t 182 smb_common_create(smb_request_t *sr) 183 { 184 struct open_param *op = &sr->arg.open; 185 uint32_t status; 186 187 if ((op->crtime.tv_sec != 0) && (op->crtime.tv_sec != UINT_MAX)) 188 op->crtime.tv_sec = smb_local2gmt(sr, op->crtime.tv_sec); 189 op->crtime.tv_nsec = 0; 190 op->omode = SMB_DA_ACCESS_READ_WRITE | SMB_DA_SHARE_COMPATIBILITY; 191 op->desired_access = smb_omode_to_amask(op->omode); 192 op->share_access = smb_denymode_to_sharemode(op->omode, op->fqi.path); 193 194 if ((op->desired_access == ((uint32_t)SMB_INVALID_AMASK)) || 195 (op->share_access == ((uint32_t)SMB_INVALID_SHAREMODE))) { 196 smbsr_error(sr, NT_STATUS_INVALID_PARAMETER, 197 ERRDOS, ERROR_INVALID_PARAMETER); 198 return (NT_STATUS_INVALID_PARAMETER); 199 } 200 201 op->dsize = 0; 202 203 if (sr->smb_flg & SMB_FLAGS_OPLOCK) { 204 if (sr->smb_flg & SMB_FLAGS_OPLOCK_NOTIFY_ANY) { 205 op->my_flags = MYF_BATCH_OPLOCK; 206 } else { 207 op->my_flags = MYF_EXCLUSIVE_OPLOCK; 208 } 209 } 210 211 status = smb_common_open(sr); 212 213 if (MYF_OPLOCK_TYPE(op->my_flags) == MYF_OPLOCK_NONE) { 214 sr->smb_flg &= 215 ~(SMB_FLAGS_OPLOCK | SMB_FLAGS_OPLOCK_NOTIFY_ANY); 216 } 217 218 return (status); 219 } 220