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 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <smbsrv/smb_kproto.h> 27 28 #define SMB_CREATE_NAMEBUF_SZ 16 29 30 /* 31 * Create a new file, or truncate an existing file to zero length, 32 * open the file and return a fid. The file is specified using a 33 * fully qualified name relative to the tree. 34 */ 35 smb_sdrc_t 36 smb_pre_create(smb_request_t *sr) 37 { 38 struct open_param *op = &sr->arg.open; 39 int rc; 40 41 bzero(op, sizeof (sr->arg.open)); 42 43 rc = smbsr_decode_vwv(sr, "wl", &op->dattr, &op->mtime.tv_sec); 44 if (rc == 0) 45 rc = smbsr_decode_data(sr, "%S", sr, &op->fqi.fq_path.pn_path); 46 47 op->create_disposition = FILE_OVERWRITE_IF; 48 op->create_options = FILE_NON_DIRECTORY_FILE; 49 50 DTRACE_SMB_2(op__Create__start, smb_request_t *, sr, 51 struct open_param *, op); 52 53 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 54 } 55 56 void 57 smb_post_create(smb_request_t *sr) 58 { 59 DTRACE_SMB_1(op__Create__done, smb_request_t *, sr); 60 } 61 62 smb_sdrc_t 63 smb_com_create(smb_request_t *sr) 64 { 65 if (smb_common_create(sr) != NT_STATUS_SUCCESS) 66 return (SDRC_ERROR); 67 68 if (smbsr_encode_result(sr, 1, 0, "bww", 1, sr->smb_fid, 0)) 69 return (SDRC_ERROR); 70 71 return (SDRC_SUCCESS); 72 } 73 74 /* 75 * Create a new file and return a fid. The file is specified using 76 * a fully qualified name relative to the tree. 77 */ 78 smb_sdrc_t 79 smb_pre_create_new(smb_request_t *sr) 80 { 81 struct open_param *op = &sr->arg.open; 82 int rc; 83 84 bzero(op, sizeof (sr->arg.open)); 85 86 rc = smbsr_decode_vwv(sr, "wl", &op->dattr, &op->mtime.tv_sec); 87 if (rc == 0) 88 rc = smbsr_decode_data(sr, "%S", sr, &op->fqi.fq_path.pn_path); 89 90 op->create_disposition = FILE_CREATE; 91 92 DTRACE_SMB_2(op__CreateNew__start, smb_request_t *, sr, 93 struct open_param *, op); 94 95 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 96 } 97 98 void 99 smb_post_create_new(smb_request_t *sr) 100 { 101 DTRACE_SMB_1(op__CreateNew__done, smb_request_t *, sr); 102 } 103 104 smb_sdrc_t 105 smb_com_create_new(smb_request_t *sr) 106 { 107 if (smb_common_create(sr) != NT_STATUS_SUCCESS) 108 return (SDRC_ERROR); 109 110 if (smbsr_encode_result(sr, 1, 0, "bww", 1, sr->smb_fid, 0)) 111 return (SDRC_ERROR); 112 113 return (SDRC_SUCCESS); 114 } 115 116 /* 117 * Create a unique file in the specified directory relative to the 118 * current tree. No attributes are specified. 119 */ 120 smb_sdrc_t 121 smb_pre_create_temporary(smb_request_t *sr) 122 { 123 struct open_param *op = &sr->arg.open; 124 uint16_t reserved; 125 int rc; 126 127 bzero(op, sizeof (sr->arg.open)); 128 129 rc = smbsr_decode_vwv(sr, "wl", &reserved, &op->mtime.tv_sec); 130 if (rc == 0) 131 rc = smbsr_decode_data(sr, "%S", sr, &op->fqi.fq_path.pn_path); 132 133 op->create_disposition = FILE_CREATE; 134 135 DTRACE_SMB_2(op__CreateTemporary__start, smb_request_t *, sr, 136 struct open_param *, op); 137 138 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 139 } 140 141 void 142 smb_post_create_temporary(smb_request_t *sr) 143 { 144 DTRACE_SMB_1(op__CreateTemporary__done, smb_request_t *, sr); 145 } 146 147 smb_sdrc_t 148 smb_com_create_temporary(smb_request_t *sr) 149 { 150 static uint16_t tmp_id = 10000; 151 struct open_param *op = &sr->arg.open; 152 char name[SMB_CREATE_NAMEBUF_SZ]; 153 char *buf; 154 uint16_t bcc; 155 156 ++tmp_id; 157 bcc = 1; /* null terminator */ 158 bcc += snprintf(name, SMB_CREATE_NAMEBUF_SZ, "tt%05d.tmp", tmp_id); 159 160 buf = smb_srm_zalloc(sr, MAXPATHLEN); 161 (void) snprintf(buf, MAXPATHLEN, "%s\\%s", 162 op->fqi.fq_path.pn_path, name); 163 op->fqi.fq_path.pn_path = buf; 164 165 if (smb_common_create(sr) != NT_STATUS_SUCCESS) 166 return (SDRC_ERROR); 167 168 if (smbsr_encode_result(sr, 1, VAR_BCC, "bww%S", 1, sr->smb_fid, 169 VAR_BCC, sr, name)) 170 return (SDRC_ERROR); 171 172 return (SDRC_SUCCESS); 173 } 174 175 /* 176 * Common create file function. The file is opened in compatibility 177 * mode with read/write access. 178 */ 179 uint32_t 180 smb_common_create(smb_request_t *sr) 181 { 182 struct open_param *op = &sr->arg.open; 183 uint32_t status; 184 185 if ((op->mtime.tv_sec != 0) && (op->mtime.tv_sec != UINT_MAX)) 186 op->mtime.tv_sec = smb_time_local_to_gmt(sr, op->mtime.tv_sec); 187 op->mtime.tv_nsec = 0; 188 op->dsize = 0; 189 op->omode = SMB_DA_ACCESS_READ_WRITE | SMB_DA_SHARE_COMPATIBILITY; 190 op->desired_access = smb_omode_to_amask(op->omode); 191 op->share_access = smb_denymode_to_sharemode(op->omode, 192 op->fqi.fq_path.pn_path); 193 194 if (sr->smb_flg & SMB_FLAGS_OPLOCK) { 195 if (sr->smb_flg & SMB_FLAGS_OPLOCK_NOTIFY_ANY) 196 op->op_oplock_level = SMB_OPLOCK_BATCH; 197 else 198 op->op_oplock_level = SMB_OPLOCK_EXCLUSIVE; 199 } else { 200 op->op_oplock_level = SMB_OPLOCK_NONE; 201 } 202 203 status = smb_common_open(sr); 204 205 if (op->op_oplock_level == SMB_OPLOCK_NONE) { 206 sr->smb_flg &= 207 ~(SMB_FLAGS_OPLOCK | SMB_FLAGS_OPLOCK_NOTIFY_ANY); 208 } 209 210 return (status); 211 } 212