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 2017 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_START(op__OpenPrintFile, smb_request_t *, sr); /* arg.open */ 82 83 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 84 } 85 86 void 87 smb_post_open_print_file(smb_request_t *sr) 88 { 89 DTRACE_SMB_DONE(op__OpenPrintFile, smb_request_t *, sr); 90 } 91 92 /* 93 * Creates a new spool file which will be later copied and 94 * deleted by cupsd. After the file is created, information 95 * related to the file will be placed in a spooldoc list 96 * to be later used by cupsd 97 * 98 * Return values 99 * rc 0 SDRC_SUCCESS 100 * rc non-zero SDRC_ERROR 101 */ 102 103 smb_sdrc_t 104 smb_com_open_print_file(smb_request_t *sr) 105 { 106 int rc; 107 smb_kspooldoc_t *sp; 108 smb_kshare_t *si; 109 struct open_param *op = &sr->arg.open; 110 111 if (sr->sr_server->sv_cfg.skc_print_enable == 0 || 112 !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 si = smb_kshare_lookup(sr->sr_server, SMB_SHARE_PRINT); 125 if (si == 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(sr->tid_tree, sp)) 138 kmem_free(sp, sizeof (smb_kspooldoc_t)); 139 smb_kshare_release(sr->sr_server, 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_START(op__ClosePrintFile, 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_DONE(op__ClosePrintFile, 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 /* 187 * If sv_cfg.skc_print_enable somehow went false while 188 * we have a print FID open, close the FID. In this 189 * situation, smb_spool_add_fid() will do nothing. 190 */ 191 if (!STYPE_ISPRN(sr->tid_tree->t_res_type)) { 192 smbsr_error(sr, NT_STATUS_BAD_DEVICE_TYPE, 193 ERRDOS, ERROR_BAD_DEV_TYPE); 194 cmn_err(CE_WARN, "smb_com_close_print_file: SDRC_ERROR"); 195 return (SDRC_ERROR); 196 } 197 rc = smb_com_close(sr); 198 199 smb_spool_add_fid(sr->sr_server, sr->smb_fid); 200 201 return (rc); 202 } 203 204 /* 205 * Get a list of print queue entries on the server. Support for 206 * this request is optional (not required for Windows clients). 207 */ 208 smb_sdrc_t 209 smb_pre_get_print_queue(smb_request_t *sr) 210 { 211 DTRACE_SMB_START(op__GetPrintQueue, smb_request_t *, sr); 212 return (SDRC_SUCCESS); 213 } 214 215 void 216 smb_post_get_print_queue(smb_request_t *sr) 217 { 218 DTRACE_SMB_DONE(op__GetPrintQueue, smb_request_t *, sr); 219 } 220 221 smb_sdrc_t 222 smb_com_get_print_queue(smb_request_t *sr) 223 { 224 unsigned short max_count, start_ix; 225 226 if (smbsr_decode_vwv(sr, "ww", &max_count, &start_ix) != 0) 227 return (SDRC_ERROR); 228 229 if (smbsr_encode_result(sr, 2, 3, "bwwwbw", 2, 0, 0, 3, 1, 0)) 230 return (SDRC_ERROR); 231 232 return (SDRC_SUCCESS); 233 } 234 235 /* 236 * Write (append) data to a print spool file. The fid must refer to 237 * a print spool file. 238 * 239 * The first SetupLength bytes (see SMB_COM_OPEN_PRINT_FILE) in the 240 * print spool file contain printer setup data. 241 * 242 * Servers that negotiate LANMAN1.0 or later also support the use of 243 * normal write requests with print spool files. 244 */ 245 smb_sdrc_t 246 smb_pre_write_print_file(smb_request_t *sr) 247 { 248 smb_rw_param_t *param; 249 int rc; 250 251 param = kmem_zalloc(sizeof (smb_rw_param_t), KM_SLEEP); 252 sr->arg.rw = param; 253 param->rw_magic = SMB_RW_MAGIC; 254 255 rc = smbsr_decode_vwv(sr, "w", &sr->smb_fid); 256 257 DTRACE_SMB_START(op__WritePrintFile, smb_request_t *, sr); 258 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 259 } 260 261 void 262 smb_post_write_print_file(smb_request_t *sr) 263 { 264 DTRACE_SMB_DONE(op__WritePrintFile, smb_request_t *, sr); 265 266 kmem_free(sr->arg.rw, sizeof (smb_rw_param_t)); 267 } 268 269 smb_sdrc_t 270 smb_com_write_print_file(smb_request_t *sr) 271 { 272 smb_rw_param_t *param = sr->arg.rw; 273 smb_node_t *node; 274 smb_attr_t attr; 275 int rc; 276 277 if (sr->sr_server->sv_cfg.skc_print_enable == 0 || 278 !STYPE_ISPRN(sr->tid_tree->t_res_type)) { 279 smbsr_error(sr, NT_STATUS_BAD_DEVICE_TYPE, 280 ERRDOS, ERROR_BAD_DEV_TYPE); 281 return (SDRC_ERROR); 282 } 283 284 smbsr_lookup_file(sr); 285 if (sr->fid_ofile == NULL) { 286 smbsr_error(sr, NT_STATUS_INVALID_HANDLE, ERRDOS, ERRbadfid); 287 return (SDRC_ERROR); 288 } 289 290 node = sr->fid_ofile->f_node; 291 sr->user_cr = smb_ofile_getcred(sr->fid_ofile); 292 293 bzero(&attr, sizeof (attr)); 294 attr.sa_mask = SMB_AT_SIZE; 295 rc = smb_node_getattr(sr, node, sr->user_cr, sr->fid_ofile, &attr); 296 if (rc != 0) { 297 smbsr_error(sr, NT_STATUS_INTERNAL_ERROR, 298 ERRDOS, ERROR_INTERNAL_ERROR); 299 return (SDRC_ERROR); 300 } 301 302 if ((smbsr_decode_data(sr, "D", ¶m->rw_vdb)) != 0) { 303 smbsr_error(sr, NT_STATUS_INVALID_PARAMETER, 304 ERRDOS, ERROR_INVALID_PARAMETER); 305 return (SDRC_ERROR); 306 } 307 308 param->rw_count = param->rw_vdb.vdb_len; 309 param->rw_offset = attr.sa_vattr.va_size; 310 param->rw_vdb.vdb_uio.uio_loffset = (offset_t)param->rw_offset; 311 312 if ((rc = smb_common_write(sr, param)) != 0) { 313 if (sr->smb_error.status != NT_STATUS_FILE_LOCK_CONFLICT) 314 smbsr_errno(sr, rc); 315 return (SDRC_ERROR); 316 } 317 318 rc = smbsr_encode_empty_result(sr); 319 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 320 } 321