1 /* 2 * Copyright (c) 2000, Boris Popov 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Boris Popov. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id: file.c,v 1.4 2004/12/13 00:25:21 lindak Exp $ 33 */ 34 35 /* 36 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 37 * Use is subject to license terms. 38 */ 39 40 #include <sys/param.h> 41 #include <sys/ioctl.h> 42 #include <sys/time.h> 43 #include <sys/mount.h> 44 #include <fcntl.h> 45 #include <ctype.h> 46 #include <errno.h> 47 #include <stdio.h> 48 #include <string.h> 49 #include <strings.h> 50 #include <stdlib.h> 51 #include <pwd.h> 52 #include <grp.h> 53 #include <unistd.h> 54 #include <libintl.h> 55 56 #include <sys/types.h> 57 #include <sys/file.h> 58 59 #include <netsmb/smb.h> 60 #include <netsmb/smb_lib.h> 61 62 #include "private.h" 63 64 int 65 smb_fh_close(struct smb_ctx *ctx, int fh) 66 { 67 struct smb_rq *rqp; 68 struct mbdata *mbp; 69 int error; 70 71 error = smb_rq_init(ctx, SMB_COM_CLOSE, &rqp); 72 if (error != 0) 73 return (error); 74 mbp = smb_rq_getrequest(rqp); 75 smb_rq_wstart(rqp); 76 mb_put_uint16le(mbp, (uint16_t)fh); 77 mb_put_uint32le(mbp, 0); /* time stamp */ 78 smb_rq_wend(rqp); 79 mb_put_uint16le(mbp, 0); /* byte count */ 80 81 error = smb_rq_simple(rqp); 82 smb_rq_done(rqp); 83 84 return (error); 85 } 86 87 int 88 smb_fh_ntcreate( 89 struct smb_ctx *ctx, char *path, 90 int flags, int req_acc, int efattr, 91 int share_acc, int open_disp, 92 int create_opts, int impersonation, 93 int *fhp, uint32_t *action_taken) 94 { 95 struct smb_rq *rqp; 96 struct mbdata *mbp; 97 char *pathsizep; 98 int pathstart, pathsize; 99 int error, flags2, uc; 100 uint16_t fh; 101 uint8_t wc; 102 103 flags2 = smb_ctx_flags2(ctx); 104 if (flags2 == -1) 105 return (EIO); 106 uc = flags2 & SMB_FLAGS2_UNICODE; 107 108 error = smb_rq_init(ctx, SMB_COM_NT_CREATE_ANDX, &rqp); 109 if (error != 0) 110 return (error); 111 112 mbp = smb_rq_getrequest(rqp); 113 smb_rq_wstart(rqp); 114 mb_put_uint16le(mbp, 0xff); /* secondary command */ 115 mb_put_uint16le(mbp, 0); /* offset to next command (none) */ 116 mb_put_uint8(mbp, 0); /* MBZ (pad?) */ 117 mb_fit(mbp, 2, &pathsizep); /* path size - fill in below */ 118 mb_put_uint32le(mbp, flags); /* create flags (oplock) */ 119 mb_put_uint32le(mbp, 0); /* FID - basis for path if not root */ 120 mb_put_uint32le(mbp, req_acc); 121 mb_put_uint64le(mbp, 0); /* initial alloc. size */ 122 mb_put_uint32le(mbp, efattr); /* ext. file attributes */ 123 mb_put_uint32le(mbp, share_acc); /* share access mode */ 124 mb_put_uint32le(mbp, open_disp); /* open disposition */ 125 mb_put_uint32le(mbp, create_opts); /* create_options */ 126 mb_put_uint32le(mbp, impersonation); 127 mb_put_uint8(mbp, 0); /* security flags (?) */ 128 smb_rq_wend(rqp); 129 smb_rq_bstart(rqp); 130 if (uc) { 131 /* 132 * We're about to put a unicode string. We know 133 * we're misaligned at this point, and need to 134 * save the mb_count at the start of the string, 135 * not at the alignment padding placed before it. 136 * So add the algnment padding by hand here. 137 */ 138 mb_put_uint8(mbp, 0); 139 } 140 pathstart = mbp->mb_count; 141 mb_put_dstring(mbp, path, uc); 142 smb_rq_bend(rqp); 143 144 /* Now go back and fill in pathsizep */ 145 pathsize = mbp->mb_count - pathstart; 146 pathsizep[0] = pathsize & 0xFF; 147 pathsizep[1] = (pathsize >> 8); 148 149 error = smb_rq_simple(rqp); 150 if (error) 151 goto out; 152 153 mbp = smb_rq_getreply(rqp); 154 /* 155 * spec says 26 for word count, but 34 words are defined 156 * and observed from win2000 157 */ 158 error = mb_get_uint8(mbp, &wc); 159 if (error || wc < 26) { 160 smb_error(dgettext(TEXT_DOMAIN, 161 "%s: open failed, bad word count"), 0, path); 162 error = EBADRPC; 163 goto out; 164 } 165 mb_get_uint8(mbp, NULL); /* secondary cmd */ 166 mb_get_uint8(mbp, NULL); /* mbz */ 167 mb_get_uint16le(mbp, NULL); /* andxoffset */ 168 mb_get_uint8(mbp, NULL); /* oplock lvl granted */ 169 mb_get_uint16le(mbp, &fh); /* FID */ 170 mb_get_uint32le(mbp, action_taken); 171 #if 0 /* skip decoding the rest */ 172 mb_get_uint64le(mbp, NULL); /* creation time */ 173 mb_get_uint64le(mbp, NULL); /* access time */ 174 mb_get_uint64le(mbp, NULL); /* write time */ 175 mb_get_uint64le(mbp, NULL); /* change time */ 176 mb_get_uint32le(mbp, NULL); /* attributes */ 177 mb_get_uint64le(mbp, NULL); /* allocation size */ 178 mb_get_uint64le(mbp, NULL); /* EOF */ 179 mb_get_uint16le(mbp, NULL); /* file type */ 180 mb_get_uint16le(mbp, NULL); /* device state */ 181 mb_get_uint8(mbp, NULL); /* directory (boolean) */ 182 #endif 183 184 /* success! */ 185 *fhp = fh; 186 error = 0; 187 188 out: 189 smb_rq_done(rqp); 190 191 return (error); 192 } 193 194 /* 195 * Conveinence wrapper for smb_fh_ntcreate 196 * Converts Unix-style open call to NTCreate. 197 */ 198 int 199 smb_fh_open(struct smb_ctx *ctx, const char *path, int oflag, int *fhp) 200 { 201 int error, mode, open_disp, req_acc, share_acc; 202 char *p, *ntpath = NULL; 203 204 /* 205 * Map O_RDONLY, O_WRONLY, O_RDWR 206 * to FREAD, FWRITE 207 */ 208 mode = (oflag & 3) + 1; 209 210 /* 211 * Compute requested access, share access. 212 */ 213 req_acc = ( 214 STD_RIGHT_READ_CONTROL_ACCESS | 215 STD_RIGHT_SYNCHRONIZE_ACCESS); 216 share_acc = NTCREATEX_SHARE_ACCESS_NONE; 217 if (mode & FREAD) { 218 req_acc |= ( 219 SA_RIGHT_FILE_READ_DATA | 220 SA_RIGHT_FILE_READ_EA | 221 SA_RIGHT_FILE_READ_ATTRIBUTES); 222 share_acc |= NTCREATEX_SHARE_ACCESS_READ; 223 } 224 if (mode & FWRITE) { 225 req_acc |= ( 226 SA_RIGHT_FILE_WRITE_DATA | 227 SA_RIGHT_FILE_APPEND_DATA | 228 SA_RIGHT_FILE_WRITE_EA | 229 SA_RIGHT_FILE_WRITE_ATTRIBUTES); 230 share_acc |= NTCREATEX_SHARE_ACCESS_WRITE; 231 } 232 233 /* 234 * Compute open disposition 235 */ 236 if (oflag & FCREAT) { 237 /* Creat if necessary. */ 238 if (oflag & FEXCL) { 239 /* exclusive */ 240 open_disp = NTCREATEX_DISP_CREATE; 241 } else if (oflag & FTRUNC) 242 open_disp = NTCREATEX_DISP_OVERWRITE_IF; 243 else 244 open_disp = NTCREATEX_DISP_OPEN_IF; 245 } else { 246 /* Not creating. */ 247 if (oflag & FTRUNC) 248 open_disp = NTCREATEX_DISP_OVERWRITE; 249 else 250 open_disp = NTCREATEX_DISP_OPEN; 251 } 252 253 /* 254 * Convert Unix path to NT (backslashes) 255 */ 256 ntpath = strdup(path); 257 if (ntpath == NULL) 258 return (ENOMEM); 259 for (p = ntpath; *p; p++) 260 if (*p == '/') 261 *p = '\\'; 262 263 error = smb_fh_ntcreate(ctx, ntpath, 0, /* flags */ 264 req_acc, SMB_EFA_NORMAL, share_acc, open_disp, 265 NTCREATEX_OPTIONS_NON_DIRECTORY_FILE, 266 NTCREATEX_IMPERSONATION_IMPERSONATION, 267 fhp, NULL); 268 free(ntpath); 269 270 return (error); 271 } 272 273 int 274 smb_fh_read(struct smb_ctx *ctx, int fh, off_t offset, size_t count, 275 char *dst) 276 { 277 struct smbioc_rw rwrq; 278 279 bzero(&rwrq, sizeof (rwrq)); 280 rwrq.ioc_fh = fh; 281 rwrq.ioc_base = dst; 282 rwrq.ioc_cnt = count; 283 rwrq.ioc_offset = offset; 284 if (ioctl(ctx->ct_dev_fd, SMBIOC_READ, &rwrq) == -1) { 285 return (-1); 286 } 287 return (rwrq.ioc_cnt); 288 } 289 290 int 291 smb_fh_write(struct smb_ctx *ctx, int fh, off_t offset, size_t count, 292 const char *src) 293 { 294 struct smbioc_rw rwrq; 295 296 bzero(&rwrq, sizeof (rwrq)); 297 rwrq.ioc_fh = fh; 298 rwrq.ioc_base = (char *)src; 299 rwrq.ioc_cnt = count; 300 rwrq.ioc_offset = offset; 301 if (ioctl(ctx->ct_dev_fd, SMBIOC_WRITE, &rwrq) == -1) { 302 return (-1); 303 } 304 return (rwrq.ioc_cnt); 305 } 306 307 /* 308 * Do a TRANSACT_NAMED_PIPE, which is basically just a 309 * pipe write and pipe read, all in one round trip. 310 * 311 * tdlen, tdata describe the data to send. 312 * rdlen, rdata on input describe the receive buffer, 313 * and on output *rdlen is the received length. 314 */ 315 int 316 smb_fh_xactnp(struct smb_ctx *ctx, int fh, 317 int tdlen, const char *tdata, /* transmit */ 318 int *rdlen, char *rdata, /* receive */ 319 int *more) 320 { 321 int err, rparamcnt; 322 uint16_t setup[2]; 323 324 setup[0] = TRANS_TRANSACT_NAMED_PIPE; 325 setup[1] = fh; 326 rparamcnt = 0; 327 328 err = smb_t2_request(ctx, 2, setup, "\\PIPE\\", 329 0, NULL, /* TX paramcnt, params */ 330 tdlen, (void *)tdata, 331 &rparamcnt, NULL, /* no RX params */ 332 rdlen, rdata, more); 333 334 if (err) 335 *rdlen = 0; 336 337 return (err); 338 } 339