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 (sr->sr_server->sv_cfg.skc_print_enable == 0 || 113 !STYPE_ISPRN(sr->tid_tree->t_res_type)) { 114 cmn_err(CE_WARN, "smb_com_open_print_file: bad device"); 115 smbsr_error(sr, NT_STATUS_BAD_DEVICE_TYPE, 116 ERRDOS, ERROR_BAD_DEV_TYPE); 117 return (SDRC_ERROR); 118 } 119 if ((rc = smb_common_create(sr)) != NT_STATUS_SUCCESS) { 120 cmn_err(CE_WARN, "smb_com_open_print_file: error rc=%d", rc); 121 return (SDRC_ERROR); 122 } 123 if ((rc = smbsr_encode_result(sr, 1, 0, 124 "bww", 1, sr->smb_fid, 0)) == 0) { 125 if ((si = smb_kshare_lookup(SMB_SHARE_PRINT)) == NULL) { 126 cmn_err(CE_NOTE, "smb_com_open_print_file: SDRC_ERROR"); 127 return (SDRC_ERROR); 128 } 129 sp = kmem_zalloc(sizeof (smb_kspooldoc_t), KM_SLEEP); 130 (void) snprintf(sp->sd_path, MAXPATHLEN, "%s/%s", si->shr_path, 131 op->fqi.fq_path.pn_path); 132 /* sp->sd_spool_num set by smb_spool_add_doc() */ 133 sp->sd_ipaddr = sr->session->ipaddr; 134 (void) strlcpy(sp->sd_username, sr->uid_user->u_name, 135 MAXNAMELEN); 136 sp->sd_fid = sr->smb_fid; 137 if (smb_spool_add_doc(sp)) 138 kmem_free(sp, sizeof (smb_kspooldoc_t)); 139 smb_kshare_release(si); 140 } 141 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 142 } 143 144 /* 145 * Close the specified file handle and queue the file for printing. 146 * The fid refers to a file previously created as a print spool file. 147 * On successful completion of this request, the file is queued for 148 * printing by the server. 149 * 150 * Servers that negotiate LANMAN1.0 or later allow all the the fid 151 * to be closed and printed via any close request. 152 */ 153 smb_sdrc_t 154 smb_pre_close_print_file(smb_request_t *sr) 155 { 156 int rc; 157 158 rc = smbsr_decode_vwv(sr, "w", &sr->smb_fid); 159 160 DTRACE_SMB_1(op__ClosePrintFile__start, smb_request_t *, sr); 161 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 162 } 163 164 void 165 smb_post_close_print_file(smb_request_t *sr) 166 { 167 DTRACE_SMB_1(op__ClosePrintFile__done, smb_request_t *, sr); 168 } 169 170 /* 171 * 172 * Adds the print file fid to a list to be used as a search 173 * key in the spooldoc list. It then wakes up the smbd 174 * spool monitor thread to copy the spool file. 175 * 176 * Return values 177 * rc - 0 success 178 * 179 */ 180 181 smb_sdrc_t 182 smb_com_close_print_file(smb_request_t *sr) 183 { 184 smb_sdrc_t rc; 185 186 if (sr->sr_server->sv_cfg.skc_print_enable == 0 || 187 !STYPE_ISPRN(sr->tid_tree->t_res_type)) { 188 smbsr_error(sr, NT_STATUS_BAD_DEVICE_TYPE, 189 ERRDOS, ERROR_BAD_DEV_TYPE); 190 cmn_err(CE_WARN, "smb_com_close_print_file: SDRC_ERROR"); 191 return (SDRC_ERROR); 192 } 193 rc = smb_com_close(sr); 194 195 (void) smb_spool_add_fid(sr->smb_fid); 196 cv_broadcast(&sr->sr_server->sp_info.sp_cv); 197 198 return (rc); 199 } 200 201 /* 202 * Get a list of print queue entries on the server. Support for 203 * this request is optional (not required for Windows clients). 204 */ 205 smb_sdrc_t 206 smb_pre_get_print_queue(smb_request_t *sr) 207 { 208 DTRACE_SMB_1(op__GetPrintQueue__start, smb_request_t *, sr); 209 return (SDRC_SUCCESS); 210 } 211 212 void 213 smb_post_get_print_queue(smb_request_t *sr) 214 { 215 DTRACE_SMB_1(op__GetPrintQueue__done, smb_request_t *, sr); 216 } 217 218 smb_sdrc_t 219 smb_com_get_print_queue(smb_request_t *sr) 220 { 221 unsigned short max_count, start_ix; 222 223 if (smbsr_decode_vwv(sr, "ww", &max_count, &start_ix) != 0) 224 return (SDRC_ERROR); 225 226 if (smbsr_encode_result(sr, 2, 3, "bwwwbw", 2, 0, 0, 3, 1, 0)) 227 return (SDRC_ERROR); 228 229 return (SDRC_SUCCESS); 230 } 231 232 /* 233 * Write (append) data to a print spool file. The fid must refer to 234 * a print spool file. 235 * 236 * The first SetupLength bytes (see SMB_COM_OPEN_PRINT_FILE) in the 237 * print spool file contain printer setup data. 238 * 239 * Servers that negotiate LANMAN1.0 or later also support the use of 240 * normal write requests with print spool files. 241 */ 242 smb_sdrc_t 243 smb_pre_write_print_file(smb_request_t *sr) 244 { 245 smb_rw_param_t *param; 246 int rc; 247 248 param = kmem_zalloc(sizeof (smb_rw_param_t), KM_SLEEP); 249 sr->arg.rw = param; 250 param->rw_magic = SMB_RW_MAGIC; 251 252 rc = smbsr_decode_vwv(sr, "w", &sr->smb_fid); 253 254 DTRACE_SMB_1(op__WritePrintFile__start, smb_request_t *, sr); 255 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 256 } 257 258 void 259 smb_post_write_print_file(smb_request_t *sr) 260 { 261 DTRACE_SMB_1(op__WritePrintFile__done, smb_request_t *, sr); 262 263 kmem_free(sr->arg.rw, sizeof (smb_rw_param_t)); 264 } 265 266 smb_sdrc_t 267 smb_com_write_print_file(smb_request_t *sr) 268 { 269 smb_rw_param_t *param = sr->arg.rw; 270 smb_node_t *node; 271 smb_attr_t attr; 272 int rc; 273 274 if (sr->sr_server->sv_cfg.skc_print_enable == 0 || 275 !STYPE_ISPRN(sr->tid_tree->t_res_type)) { 276 smbsr_error(sr, NT_STATUS_BAD_DEVICE_TYPE, 277 ERRDOS, ERROR_BAD_DEV_TYPE); 278 return (SDRC_ERROR); 279 } 280 281 smbsr_lookup_file(sr); 282 if (sr->fid_ofile == NULL) { 283 smbsr_error(sr, NT_STATUS_INVALID_HANDLE, ERRDOS, ERRbadfid); 284 return (SDRC_ERROR); 285 } 286 287 node = sr->fid_ofile->f_node; 288 sr->user_cr = smb_ofile_getcred(sr->fid_ofile); 289 290 if (smb_node_getattr(sr, node, &attr) != 0) { 291 smbsr_error(sr, NT_STATUS_INTERNAL_ERROR, 292 ERRDOS, ERROR_INTERNAL_ERROR); 293 return (SDRC_ERROR); 294 } 295 296 if ((smbsr_decode_data(sr, "D", ¶m->rw_vdb)) != 0) { 297 smbsr_error(sr, NT_STATUS_INVALID_PARAMETER, 298 ERRDOS, ERROR_INVALID_PARAMETER); 299 return (SDRC_ERROR); 300 } 301 302 param->rw_count = param->rw_vdb.vdb_len; 303 param->rw_offset = attr.sa_vattr.va_size; 304 param->rw_vdb.vdb_uio.uio_loffset = (offset_t)param->rw_offset; 305 306 if ((rc = smb_common_write(sr, param)) != 0) { 307 if (sr->smb_error.status != NT_STATUS_FILE_LOCK_CONFLICT) 308 smbsr_errno(sr, rc); 309 return (SDRC_ERROR); 310 } 311 312 rc = smbsr_encode_empty_result(sr); 313 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 314 } 315