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 2011 Nexenta Systems, Inc. All rights reserved. 24 */ 25 26 /* 27 * SMB print interface. 28 */ 29 30 #include <smbsrv/smb_kproto.h> 31 #include <sys/unistd.h> 32 #include <sys/stat.h> 33 #include <sys/types.h> 34 #include <sys/fcntl.h> 35 #include <smbsrv/smb_share.h> 36 37 /* 38 * Starts the creation of a new printer file, which will be deleted 39 * automatically once it has been closed and printed. 40 * 41 * SetupLength is the number of bytes in the first part of the resulting 42 * print spool file which contains printer-specific control strings. 43 * 44 * Mode can have the following values: 45 * 0 Text mode. The server may optionally 46 * expand tabs to a series of spaces. 47 * 1 Graphics mode. No conversion of data 48 * should be done by the server. 49 * 50 * IdentifierString can be used by the server to provide some sort of 51 * per-client identifying component to the print file. 52 * 53 * When the file is closed, it will be sent to the spooler and printed. 54 */ 55 smb_sdrc_t 56 smb_pre_open_print_file(smb_request_t *sr) 57 { 58 struct open_param *op = &sr->arg.open; 59 char *path; 60 char *identifier; 61 uint32_t new_id; 62 uint16_t setup; 63 uint16_t mode; 64 int rc; 65 static uint32_t tmp_id = 10000; 66 67 bzero(op, sizeof (sr->arg.open)); 68 rc = smbsr_decode_vwv(sr, "ww", &setup, &mode); 69 if (rc == 0) 70 rc = smbsr_decode_data(sr, "%S", sr, &identifier); 71 72 if (rc == 0) { 73 path = smb_srm_zalloc(sr, MAXPATHLEN); 74 op->fqi.fq_path.pn_path = path; 75 new_id = atomic_inc_32_nv(&tmp_id); 76 (void) snprintf(path, MAXPATHLEN, "%s%05u", identifier, new_id); 77 } 78 79 op->create_disposition = FILE_OVERWRITE_IF; 80 op->create_options = FILE_NON_DIRECTORY_FILE; 81 DTRACE_SMB_2(op__OpenPrintFile__start, smb_request_t *, sr, 82 struct open_param *, op); 83 84 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 85 } 86 87 void 88 smb_post_open_print_file(smb_request_t *sr) 89 { 90 DTRACE_SMB_1(op__OpenPrintFile__done, smb_request_t *, sr); 91 } 92 93 /* 94 * Creates a new spool file which will be later copied and 95 * deleted by cupsd. After the file is created, information 96 * related to the file will be placed in a spooldoc list 97 * to be later used by cupsd 98 * 99 * Return values 100 * rc 0 SDRC_SUCCESS 101 * rc non-zero SDRC_ERROR 102 */ 103 104 smb_sdrc_t 105 smb_com_open_print_file(smb_request_t *sr) 106 { 107 int rc; 108 smb_kspooldoc_t *sp; 109 smb_kshare_t *si; 110 struct open_param *op = &sr->arg.open; 111 112 if (!STYPE_ISPRN(sr->tid_tree->t_res_type)) { 113 cmn_err(CE_WARN, "smb_com_open_print_file: bad device"); 114 smbsr_error(sr, NT_STATUS_BAD_DEVICE_TYPE, 115 ERRDOS, ERROR_BAD_DEV_TYPE); 116 return (SDRC_ERROR); 117 } 118 if ((rc = smb_common_create(sr)) != NT_STATUS_SUCCESS) { 119 cmn_err(CE_WARN, "smb_com_open_print_file: error rc=%d", rc); 120 return (SDRC_ERROR); 121 } 122 if ((rc = smbsr_encode_result(sr, 1, 0, 123 "bww", 1, sr->smb_fid, 0)) == 0) { 124 if ((si = smb_kshare_lookup(SMB_SHARE_PRINT)) == NULL) { 125 cmn_err(CE_NOTE, "smb_com_open_print_file: SDRC_ERROR"); 126 return (SDRC_ERROR); 127 } 128 sp = kmem_zalloc(sizeof (smb_kspooldoc_t), KM_SLEEP); 129 (void) snprintf(sp->sd_path, MAXPATHLEN, "%s/%s", si->shr_path, 130 op->fqi.fq_path.pn_path); 131 /* sp->sd_spool_num set by smb_spool_add_doc() */ 132 sp->sd_ipaddr = sr->session->ipaddr; 133 (void) strlcpy(sp->sd_username, sr->uid_user->u_name, 134 MAXNAMELEN); 135 sp->sd_fid = sr->smb_fid; 136 if (smb_spool_add_doc(sp)) 137 kmem_free(sp, sizeof (smb_kspooldoc_t)); 138 smb_kshare_release(si); 139 } 140 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 141 } 142 143 /* 144 * Close the specified file handle and queue the file for printing. 145 * The fid refers to a file previously created as a print spool file. 146 * On successful completion of this request, the file is queued for 147 * printing by the server. 148 * 149 * Servers that negotiate LANMAN1.0 or later allow all the the fid 150 * to be closed and printed via any close request. 151 */ 152 smb_sdrc_t 153 smb_pre_close_print_file(smb_request_t *sr) 154 { 155 int rc; 156 157 rc = smbsr_decode_vwv(sr, "w", &sr->smb_fid); 158 159 DTRACE_SMB_1(op__ClosePrintFile__start, smb_request_t *, sr); 160 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 161 } 162 163 void 164 smb_post_close_print_file(smb_request_t *sr) 165 { 166 DTRACE_SMB_1(op__ClosePrintFile__done, smb_request_t *, sr); 167 } 168 169 /* 170 * 171 * Adds the print file fid to a list to be used as a search 172 * key in the spooldoc list. It then wakes up the smbd 173 * spool monitor thread to copy the spool file. 174 * 175 * Return values 176 * rc - 0 success 177 * 178 */ 179 180 smb_sdrc_t 181 smb_com_close_print_file(smb_request_t *sr) 182 { 183 smb_sdrc_t rc; 184 185 if (!STYPE_ISPRN(sr->tid_tree->t_res_type)) { 186 smbsr_error(sr, NT_STATUS_BAD_DEVICE_TYPE, 187 ERRDOS, ERROR_BAD_DEV_TYPE); 188 cmn_err(CE_WARN, "smb_com_close_print_file: SDRC_ERROR"); 189 return (SDRC_ERROR); 190 } 191 rc = smb_com_close(sr); 192 193 (void) smb_spool_add_fid(sr->smb_fid); 194 cv_broadcast(&sr->sr_server->sp_info.sp_cv); 195 196 return (rc); 197 } 198 199 /* 200 * Get a list of print queue entries on the server. Support for 201 * this request is optional (not required for Windows clients). 202 */ 203 smb_sdrc_t 204 smb_pre_get_print_queue(smb_request_t *sr) 205 { 206 DTRACE_SMB_1(op__GetPrintQueue__start, smb_request_t *, sr); 207 return (SDRC_SUCCESS); 208 } 209 210 void 211 smb_post_get_print_queue(smb_request_t *sr) 212 { 213 DTRACE_SMB_1(op__GetPrintQueue__done, smb_request_t *, sr); 214 } 215 216 smb_sdrc_t 217 smb_com_get_print_queue(smb_request_t *sr) 218 { 219 unsigned short max_count, start_ix; 220 221 if (smbsr_decode_vwv(sr, "ww", &max_count, &start_ix) != 0) 222 return (SDRC_ERROR); 223 224 if (smbsr_encode_result(sr, 2, 3, "bwwwbw", 2, 0, 0, 3, 1, 0)) 225 return (SDRC_ERROR); 226 227 return (SDRC_SUCCESS); 228 } 229 230 /* 231 * Write (append) data to a print spool file. The fid must refer to 232 * a print spool file. 233 * 234 * The first SetupLength bytes (see SMB_COM_OPEN_PRINT_FILE) in the 235 * print spool file contain printer setup data. 236 * 237 * Servers that negotiate LANMAN1.0 or later also support the use of 238 * normal write requests with print spool files. 239 */ 240 smb_sdrc_t 241 smb_pre_write_print_file(smb_request_t *sr) 242 { 243 smb_rw_param_t *param; 244 int rc; 245 246 param = kmem_zalloc(sizeof (smb_rw_param_t), KM_SLEEP); 247 sr->arg.rw = param; 248 param->rw_magic = SMB_RW_MAGIC; 249 250 rc = smbsr_decode_vwv(sr, "w", &sr->smb_fid); 251 252 DTRACE_SMB_1(op__WritePrintFile__start, smb_request_t *, sr); 253 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 254 } 255 256 void 257 smb_post_write_print_file(smb_request_t *sr) 258 { 259 DTRACE_SMB_1(op__WritePrintFile__done, smb_request_t *, sr); 260 261 kmem_free(sr->arg.rw, sizeof (smb_rw_param_t)); 262 } 263 264 smb_sdrc_t 265 smb_com_write_print_file(smb_request_t *sr) 266 { 267 smb_rw_param_t *param = sr->arg.rw; 268 smb_node_t *node; 269 smb_attr_t attr; 270 int rc; 271 272 if (!STYPE_ISPRN(sr->tid_tree->t_res_type)) { 273 smbsr_error(sr, NT_STATUS_BAD_DEVICE_TYPE, 274 ERRDOS, ERROR_BAD_DEV_TYPE); 275 return (SDRC_ERROR); 276 } 277 278 smbsr_lookup_file(sr); 279 if (sr->fid_ofile == NULL) { 280 smbsr_error(sr, NT_STATUS_INVALID_HANDLE, ERRDOS, ERRbadfid); 281 return (SDRC_ERROR); 282 } 283 284 node = sr->fid_ofile->f_node; 285 sr->user_cr = smb_ofile_getcred(sr->fid_ofile); 286 287 if (smb_node_getattr(sr, node, &attr) != 0) { 288 smbsr_error(sr, NT_STATUS_INTERNAL_ERROR, 289 ERRDOS, ERROR_INTERNAL_ERROR); 290 return (SDRC_ERROR); 291 } 292 293 if ((smbsr_decode_data(sr, "D", ¶m->rw_vdb)) != 0) { 294 smbsr_error(sr, NT_STATUS_INVALID_PARAMETER, 295 ERRDOS, ERROR_INVALID_PARAMETER); 296 return (SDRC_ERROR); 297 } 298 299 param->rw_count = param->rw_vdb.vdb_len; 300 param->rw_offset = attr.sa_vattr.va_size; 301 param->rw_vdb.vdb_uio.uio_loffset = (offset_t)param->rw_offset; 302 303 if ((rc = smb_common_write(sr, param)) != 0) { 304 if (sr->smb_error.status != NT_STATUS_FILE_LOCK_CONFLICT) 305 smbsr_errno(sr, rc); 306 return (SDRC_ERROR); 307 } 308 309 rc = smbsr_encode_empty_result(sr); 310 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 311 } 312