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 "%Z%%M% %I% %E% SMI" 27 28 #include <smbsrv/smb_incl.h> 29 30 #define SMB_CREATE_NAMEBUF_SZ 16 31 32 static uint32_t smb_common_create(struct smb_request *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_com_create(struct smb_request *sr) 41 { 42 struct open_param *op = &sr->arg.open; 43 44 bzero(op, sizeof (sr->arg.open)); 45 46 if (smbsr_decode_vwv(sr, "wl", &op->dattr, &op->utime.tv_sec) != 0) 47 return (SDRC_ERROR_REPLY); 48 49 if (smbsr_decode_data(sr, "%S", sr, &op->fqi.path) != 0) 50 return (SDRC_ERROR_REPLY); 51 52 op->create_disposition = FILE_OVERWRITE_IF; 53 54 if (smb_common_create(sr) != NT_STATUS_SUCCESS) 55 return (SDRC_ERROR_REPLY); 56 57 if (smbsr_encode_result(sr, 1, 0, "bww", 1, sr->smb_fid, 0)) 58 return (SDRC_ERROR_REPLY); 59 60 return (SDRC_NORMAL_REPLY); 61 } 62 63 /* 64 * Create a new file and return a fid. The file is specified using 65 * a fully qualified name relative to the tree. 66 */ 67 smb_sdrc_t 68 smb_com_create_new(struct smb_request *sr) 69 { 70 struct open_param *op = &sr->arg.open; 71 72 bzero(op, sizeof (sr->arg.open)); 73 74 if (smbsr_decode_vwv(sr, "wl", &op->dattr, &op->utime.tv_sec) != 0) 75 return (SDRC_ERROR_REPLY); 76 77 if (smbsr_decode_data(sr, "%S", sr, &op->fqi.path) != 0) 78 return (SDRC_ERROR_REPLY); 79 80 op->create_disposition = FILE_CREATE; 81 82 if (smb_common_create(sr) != NT_STATUS_SUCCESS) 83 return (SDRC_ERROR_REPLY); 84 85 if (smbsr_encode_result(sr, 1, 0, "bww", 1, sr->smb_fid, 0)) 86 return (SDRC_ERROR_REPLY); 87 88 return (SDRC_NORMAL_REPLY); 89 } 90 91 92 /* 93 * Create a unique file in the specified directory relative to the 94 * current tree. No attributes are specified. 95 */ 96 smb_sdrc_t 97 smb_com_create_temporary(struct smb_request *sr) 98 { 99 static uint16_t tmp_id = 10000; 100 struct open_param *op = &sr->arg.open; 101 char name[SMB_CREATE_NAMEBUF_SZ]; 102 char *buf; 103 uint16_t reserved; 104 uint16_t bcc; 105 106 bzero(op, sizeof (sr->arg.open)); 107 108 if (smbsr_decode_vwv(sr, "wl", &reserved, &op->utime.tv_sec) != 0) 109 return (SDRC_ERROR_REPLY); 110 111 if (smbsr_decode_data(sr, "%S", sr, &op->fqi.path) != 0) 112 return (SDRC_ERROR_REPLY); 113 114 ++tmp_id; 115 bcc = 1; /* null terminator */ 116 bcc += snprintf(name, SMB_CREATE_NAMEBUF_SZ, "tt%05d.tmp", tmp_id); 117 118 buf = smbsr_malloc(&sr->request_storage, MAXPATHLEN); 119 (void) snprintf(buf, MAXPATHLEN, "%s\\%s", op->fqi.path, name); 120 op->fqi.path = buf; 121 op->create_disposition = FILE_CREATE; 122 123 if (smb_common_create(sr) != NT_STATUS_SUCCESS) 124 return (SDRC_ERROR_REPLY); 125 126 if (smbsr_encode_result(sr, 1, 0, "bwwbs", 1, sr->smb_fid, bcc, 4, 127 name)) 128 return (SDRC_ERROR_REPLY); 129 130 return (SDRC_NORMAL_REPLY); 131 } 132 133 /* 134 * Common create file function. The file is opened in compatibility 135 * mode with read/write access. 136 */ 137 uint32_t 138 smb_common_create(struct smb_request *sr) 139 { 140 struct open_param *op = &sr->arg.open; 141 uint32_t status; 142 143 op->utime.tv_sec = smb_local_time_to_gmt(op->utime.tv_sec); 144 op->utime.tv_nsec = 0; 145 op->omode = SMB_DA_ACCESS_READ_WRITE | SMB_DA_SHARE_COMPATIBILITY; 146 op->desired_access = smb_omode_to_amask(op->omode); 147 op->share_access = smb_denymode_to_sharemode(op->omode, op->fqi.path); 148 149 if ((op->desired_access == ((uint32_t)SMB_INVALID_AMASK)) || 150 (op->share_access == ((uint32_t)SMB_INVALID_SHAREMODE))) { 151 smbsr_error(sr, NT_STATUS_INVALID_PARAMETER, 152 ERRDOS, ERROR_INVALID_PARAMETER); 153 return (NT_STATUS_INVALID_PARAMETER); 154 } 155 156 op->dsize = 0; 157 158 if (sr->smb_flg & SMB_FLAGS_OPLOCK) { 159 if (sr->smb_flg & SMB_FLAGS_OPLOCK_NOTIFY_ANY) { 160 op->my_flags = MYF_BATCH_OPLOCK; 161 } else { 162 op->my_flags = MYF_EXCLUSIVE_OPLOCK; 163 } 164 } 165 166 status = smb_common_open(sr); 167 168 if (MYF_OPLOCK_TYPE(op->my_flags) == MYF_OPLOCK_NONE) { 169 sr->smb_flg &= 170 ~(SMB_FLAGS_OPLOCK | SMB_FLAGS_OPLOCK_NOTIFY_ANY); 171 } 172 173 return (status); 174 } 175