1 #include <posix/stdlib.h> 2 3 #include "nfs_add_on.h" 4 #include <sys/socket.h> 5 6 #include "rpc.h" 7 #include "pmap.h" 8 #include "nfs.h" 9 #include "mount.h" 10 #include <errno.h> 11 #include <string.h> 12 #include <KernelExport.h> 13 #include <driver_settings.h> 14 #include <sys/stat.h> 15 #include <dirent.h> 16 #include <SupportDefs.h> 17 #include <ByteOrder.h> 18 #include <netinet/udp.h> 19 20 #ifndef UDP_SIZE_MAX 21 #define UDP_SIZE_MAX 65515 22 #endif 23 #define B_UDP_MAX_SIZE UDP_SIZE_MAX 24 25 static status_t fs_rmdir(fs_volume *_volume, fs_vnode *_dir, const char *name); 26 27 /* *** configuration *** */ 28 29 //#define NFS_FS_FLAGS B_FS_IS_SHARED 30 #define NFS_FS_FLAGS B_FS_IS_SHARED|B_FS_IS_PERSISTENT 31 32 /* port numbers: most NFS servers insist on the client port to be < 1024 (secure option) */ 33 /* ports to bind() to; we start at conf_high_port, then go down */ 34 static int16 conf_high_port = 1023; 35 static int16 conf_low_port = 900; 36 37 /* Allow open() to open directories too */ 38 static bool conf_allow_dir_open = true; 39 40 /* Do we list ".." in readdir(rootid) ? (the VFS corrects the dirents anyway) */ 41 /* this seems to be mandatory for Dano... BEntry::GetPath() needs that */ 42 static bool conf_ls_root_parent = true; 43 44 /* timeout when waiting for an answer to a call */ 45 static bigtime_t conf_call_timeout = 2000000; 46 47 /* number of retries when waiting for an anwser to a call */ 48 static unsigned long conf_call_tries = 3; 49 50 /* don't check who the answers come from for requests */ 51 bool conf_no_check_ip_xid = false; 52 53 static vint32 refcount = 0; /* we only want to read the config once ? */ 54 55 static status_t 56 read_config(void) 57 { 58 void *handle; 59 const char *str, *endptr; 60 61 handle = load_driver_settings("nfs"); 62 if (handle == NULL) 63 return ENOENT; 64 65 str = get_driver_parameter(handle, "high_port", NULL, NULL); 66 if (str) { 67 endptr = str + strlen(str); 68 conf_high_port = (int16)strtoul(str, (char **)&endptr, 10); 69 } 70 str = get_driver_parameter(handle, "low_port", NULL, NULL); 71 if (str) { 72 endptr = str + strlen(str); 73 conf_low_port = (int16)strtoul(str, (char **)&endptr, 10); 74 } 75 76 conf_allow_dir_open = get_driver_boolean_parameter(handle, "allow_dir_open", conf_allow_dir_open, true); 77 conf_ls_root_parent = get_driver_boolean_parameter(handle, "ls_root_parent", conf_ls_root_parent, true); 78 conf_no_check_ip_xid = get_driver_boolean_parameter(handle, "no_check_ip_xid", conf_no_check_ip_xid, true); 79 80 str = get_driver_parameter(handle, "call_timeout", NULL, NULL); 81 if (str) { 82 endptr = str + strlen(str); 83 conf_call_timeout = (bigtime_t)1000 * strtoul(str, (char **)&endptr, 10); 84 if (conf_call_timeout < 1000) 85 conf_call_timeout = 1000; 86 } 87 88 str = get_driver_parameter(handle, "call_tries", NULL, NULL); 89 if (str) { 90 endptr = str + strlen(str); 91 conf_call_tries = strtoul(str, (char **)&endptr, 10); 92 } 93 94 unload_driver_settings(handle); 95 return B_OK; 96 } 97 98 99 status_t 100 create_socket(fs_nspace *ns) 101 { 102 struct sockaddr_in addr; 103 uint16 port=conf_high_port; 104 105 ns->s=socket(AF_INET,SOCK_DGRAM,0); 106 107 if (ns->s<0) 108 return errno; 109 110 do 111 { 112 addr.sin_family=AF_INET; 113 addr.sin_addr.s_addr=htonl(INADDR_ANY); 114 //addr.sin_addr.s_addr=htonl(INADDR_LOOPBACK); 115 addr.sin_port=htons(port); 116 memset (addr.sin_zero,0,sizeof(addr.sin_zero)); 117 118 if (bind(ns->s,(const struct sockaddr *)&addr,sizeof(addr))<0) 119 { 120 if (errno!=EADDRINUSE) 121 { 122 int result=errno; 123 close(ns->s); 124 return result; 125 } 126 127 port--; 128 if (port==conf_low_port) 129 { 130 close(ns->s); 131 return B_ERROR; 132 } 133 } 134 else 135 break;//return B_OK; 136 } 137 while (true); 138 139 // doesn't seem to help with autoincrementing port on source address... 140 addr.sin_addr = ns->mountAddr.sin_addr; 141 addr.sin_port = htons(111); 142 //kconnect(ns->s,(const struct sockaddr *)&addr,sizeof(addr)); 143 144 return B_OK; 145 } 146 147 148 #if 0 149 static status_t 150 connect_socket(fs_nspace *ns) 151 { 152 uint16 port = conf_high_port; 153 154 struct sockaddr_in addr; 155 addr.sin_family = AF_INET; 156 addr.sin_addr.s_addr = htonl(INADDR_ANY); 157 //addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 158 addr.sin_port = htons(port); 159 memset(addr.sin_zero,0,sizeof(addr.sin_zero)); 160 161 if (kconnect(ns->s,(const struct sockaddr *)&ns->nfsAddr,sizeof(ns->nfsAddr))<0) 162 { 163 return -1; 164 } 165 return B_OK; 166 } 167 #endif 168 169 170 status_t 171 init_postoffice(fs_nspace *ns) 172 { 173 status_t result; 174 175 ns->tid=spawn_kernel_thread ((thread_func)postoffice_func,"NFSv2 Postoffice",B_NORMAL_PRIORITY,ns); 176 177 if (ns->tid<B_OK) 178 return ns->tid; 179 180 ns->quit=false; 181 182 result=resume_thread (ns->tid); 183 184 if (result<B_OK) 185 { 186 kill_thread (ns->tid); 187 188 return result; 189 } 190 191 return B_OK; 192 } 193 194 195 void 196 shutdown_postoffice(fs_nspace *ns) 197 { 198 status_t result; 199 200 ns->quit=true; 201 close(ns->s); 202 203 wait_for_thread (ns->tid,&result); 204 } 205 206 207 status_t 208 postoffice_func(fs_nspace *ns) 209 { 210 uint8 *buffer=(uint8 *)malloc(B_UDP_MAX_SIZE); 211 212 while (!ns->quit) 213 { 214 struct sockaddr_in from; 215 socklen_t fromLen=sizeof(from); 216 217 ssize_t bytes=recvfrom (ns->s,buffer,B_UDP_MAX_SIZE,0,(struct sockaddr *)&from,&fromLen); 218 219 if (bytes>=4) 220 { 221 struct PendingCall *call; 222 int32 xid=B_BENDIAN_TO_HOST_INT32(*((int32 *)buffer)); 223 224 call=RPCPendingCallsFindAndRemovePendingCall(&ns->pendingCalls,xid,&from); 225 226 if (call) 227 { 228 call->buffer=(uint8 *)malloc(bytes); 229 memcpy (call->buffer,buffer,bytes); 230 231 while (release_sem (call->sem)==B_INTERRUPTED); 232 } else { 233 dprintf("nfs: postoffice: can't find pending call to remove for xid %ld\n", xid); 234 } 235 } 236 } 237 238 free (buffer); 239 240 return B_OK; 241 } 242 243 244 uint8 * 245 send_rpc_call(fs_nspace *ns, const struct sockaddr_in *addr, int32 prog, 246 int32 vers, int32 proc, const struct XDROutPacket *packet) 247 { 248 int32 xid; 249 size_t authSize; 250 struct PendingCall *pending; 251 int32 retries=conf_call_tries; 252 status_t result; 253 struct PendingCall *call; 254 255 struct XDROutPacket rpc_call; 256 XDROutPacketInit (&rpc_call); 257 258 xid=atomic_add(&ns->xid,1); 259 #ifdef DEBUG_XID 260 //dbgprintxid(logfd1, xid); 261 #endif 262 263 XDROutPacketAddInt32(&rpc_call,xid); 264 XDROutPacketAddInt32(&rpc_call,RPC_CALL); 265 XDROutPacketAddInt32(&rpc_call,RPC_VERSION); 266 XDROutPacketAddInt32(&rpc_call,prog); 267 XDROutPacketAddInt32(&rpc_call,vers); 268 XDROutPacketAddInt32(&rpc_call,proc); 269 270 #if !defined(USE_SYSTEM_AUTHENTICATION) 271 XDROutPacketAddInt32(&rpc_call,RPC_AUTH_NONE); 272 XDROutPacketAddDynamic (&rpc_call,NULL,0); 273 #else 274 XDROutPacketAddInt32(&rpc_call,RPC_AUTH_SYS); 275 authSize=4+4+((strlen(ns->params.server)+3)&~3)+4+4+4; 276 XDROutPacketAddInt32(&rpc_call,authSize); 277 XDROutPacketAddInt32(&rpc_call,0); 278 XDROutPacketAddString(&rpc_call,ns->params.server); 279 XDROutPacketAddInt32(&rpc_call,ns->params.uid); 280 XDROutPacketAddInt32(&rpc_call,ns->params.gid); 281 XDROutPacketAddInt32(&rpc_call,0); 282 #endif 283 284 XDROutPacketAddInt32(&rpc_call,RPC_AUTH_NONE); 285 XDROutPacketAddDynamic (&rpc_call,NULL,0); 286 287 XDROutPacketAppend (&rpc_call,packet); 288 289 pending=RPCPendingCallsAddPendingCall(&ns->pendingCalls,xid,addr); 290 #ifdef DEBUG_XID 291 checksemstate(xid, pending->sem, 0); 292 #endif 293 294 do { 295 ssize_t bytes; 296 do { 297 bytes = sendto(ns->s,(const void *)XDROutPacketBuffer(&rpc_call), 298 XDROutPacketLength(&rpc_call), 0, 299 (const struct sockaddr *)addr, sizeof(*addr)); 300 } 301 while (bytes < 0 && errno == EINTR); 302 303 do { 304 result = acquire_sem_etc (pending->sem,1,B_TIMEOUT,(retries)?(conf_call_timeout):(2*conf_call_timeout)); 305 } 306 while (result == B_INTERRUPTED); 307 308 retries--; 309 } while (result == B_TIMED_OUT && retries >= 0); 310 311 if (result >= B_OK) { 312 uint8 *buffer = pending->buffer; 313 pending->buffer = NULL; 314 SemaphorePoolPut(&ns->pendingCalls.fPool, pending->sem); 315 316 PendingCallDestroy(pending); 317 free(pending); 318 319 XDROutPacketDestroy(&rpc_call); 320 return buffer; 321 } 322 323 // we timed out 324 325 call = RPCPendingCallsFindAndRemovePendingCall(&ns->pendingCalls, xid, addr); 326 327 dprintf("nfs: xid %ld timed out, removing from queue", xid); 328 329 #if 0 330 if (call==NULL) 331 { 332 #if 1 333 //XXX:mmu_man:??? 334 while (acquire_sem(pending->sem)==B_INTERRUPTED); 335 #else 336 status_t err; 337 /* NOTE(mmu_man): there can be a race condition here where the sem is returned 338 * to the pool without the correct value, compromising the next call using it. 339 * however it seems waiting forever can lead to lockups... 340 */ 341 while ((err = acquire_sem_etc(pending->sem,1,B_TIMEOUT,5000000))==B_INTERRUPTED); 342 dprintf("nfs: acquire(pending->sem) = 0x%08lx\n", err); 343 if (err == B_TIMED_OUT) 344 dprintf("nfs: timed out waiting on sem\n"); 345 #endif 346 } 347 #endif 348 349 free(pending->buffer); 350 351 /* mmu_man */ 352 if (call) /* if the call has been found and removed (atomic op), the sem hasn't been released */ 353 SemaphorePoolPut(&ns->pendingCalls.fPool, pending->sem); 354 else 355 delete_sem(pending->sem); /* else it's in an unknown state, forget it */ 356 357 PendingCallDestroy(pending); 358 free(pending); 359 360 XDROutPacketDestroy (&rpc_call); 361 return NULL; 362 } 363 364 365 bool 366 is_successful_reply(struct XDRInPacket *reply) 367 { 368 bool success = false; 369 370 int32 xid = XDRInPacketGetInt32(reply); 371 rpc_msg_type mtype=(rpc_msg_type)XDRInPacketGetInt32(reply); 372 rpc_reply_stat replyStat=(rpc_reply_stat)XDRInPacketGetInt32(reply); 373 (void)xid; 374 (void)mtype; 375 376 if (replyStat == RPC_MSG_DENIED) { 377 rpc_reject_stat rejectStat = (rpc_reject_stat)XDRInPacketGetInt32(reply); 378 379 if (rejectStat == RPC_RPC_MISMATCH) { 380 int32 low=XDRInPacketGetInt32(reply); 381 int32 high=XDRInPacketGetInt32(reply); 382 383 dprintf ("nfs: RPC_MISMATCH (%ld,%ld)", low, high); 384 } else { 385 rpc_auth_stat authStat = (rpc_auth_stat)XDRInPacketGetInt32(reply); 386 387 dprintf ("nfs: RPC_AUTH_ERROR (%d)", authStat); 388 } 389 } else { 390 rpc_auth_flavor flavor = (rpc_auth_flavor)XDRInPacketGetInt32(reply); 391 char body[400]; 392 size_t bodyLength = XDRInPacketGetDynamic(reply, body); 393 394 rpc_accept_stat acceptStat = (rpc_accept_stat)XDRInPacketGetInt32(reply); 395 (void)flavor; 396 (void)bodyLength; 397 398 if (acceptStat == RPC_PROG_MISMATCH) { 399 int32 low = XDRInPacketGetInt32(reply); 400 int32 high = XDRInPacketGetInt32(reply); 401 402 dprintf ("nfs: RPC_PROG_MISMATCH (%ld,%ld)", low, high); 403 } else if (acceptStat != RPC_SUCCESS) 404 dprintf ("nfs: Accepted but failed (%d)", acceptStat); 405 else 406 success = true; 407 } 408 409 return success; 410 } 411 412 413 status_t 414 get_remote_address(fs_nspace *ns, int32 prog, int32 vers, int32 prot, 415 struct sockaddr_in *addr) 416 { 417 struct XDROutPacket call; 418 uint8 *replyBuf; 419 420 XDROutPacketInit (&call); 421 422 addr->sin_port=htons(PMAP_PORT); 423 424 XDROutPacketAddInt32 (&call,prog); 425 XDROutPacketAddInt32 (&call,vers); 426 XDROutPacketAddInt32 (&call,prot); 427 XDROutPacketAddInt32 (&call,0); 428 429 replyBuf=send_rpc_call (ns,addr,PMAP_PROGRAM,PMAP_VERSION,PMAPPROC_GETPORT,&call); 430 431 if (replyBuf) 432 { 433 struct XDRInPacket reply; 434 XDRInPacketInit (&reply); 435 436 XDRInPacketSetTo (&reply,replyBuf,0); 437 438 if (is_successful_reply(&reply)) 439 { 440 addr->sin_port=htons(XDRInPacketGetInt32(&reply)); 441 memset (addr->sin_zero,0,sizeof(addr->sin_zero)); 442 443 XDRInPacketDestroy(&reply); 444 XDROutPacketDestroy (&call); 445 return B_OK; 446 } 447 448 XDRInPacketDestroy(&reply); 449 } 450 451 XDROutPacketDestroy (&call); 452 return EHOSTUNREACH; 453 } 454 455 status_t nfs_mount (fs_nspace *ns, const char *path, nfs_fhandle *fhandle) 456 { 457 struct XDROutPacket call; 458 struct XDRInPacket reply; 459 uint8 *replyBuf; 460 int32 fhstatus; 461 462 XDROutPacketInit (&call); 463 XDRInPacketInit (&reply); 464 465 XDROutPacketAddString (&call,path); 466 467 replyBuf=send_rpc_call (ns,&ns->mountAddr,MOUNT_PROGRAM,MOUNT_VERSION,MOUNTPROC_MNT,&call); 468 469 if (!replyBuf) 470 { 471 XDRInPacketDestroy (&reply); 472 XDROutPacketDestroy (&call); 473 return EHOSTUNREACH; 474 } 475 476 XDRInPacketSetTo (&reply,replyBuf,0); 477 478 if (!is_successful_reply(&reply)) 479 { 480 XDRInPacketDestroy (&reply); 481 XDROutPacketDestroy (&call); 482 return B_ERROR; 483 } 484 485 fhstatus=XDRInPacketGetInt32(&reply); 486 487 if (fhstatus!=0) 488 { 489 XDRInPacketDestroy (&reply); 490 XDROutPacketDestroy (&call); 491 return map_nfs_to_system_error(fhstatus); 492 } 493 494 XDRInPacketGetFixed (&reply,fhandle->opaque,NFS_FHSIZE); 495 496 XDRInPacketDestroy (&reply); 497 XDROutPacketDestroy (&call); 498 return B_OK; 499 } 500 501 status_t nfs_lookup (fs_nspace *ns, const nfs_fhandle *dir, const char *filename, nfs_fhandle *fhandle, 502 struct stat *st) 503 { 504 struct XDROutPacket call; 505 struct XDRInPacket reply; 506 int32 status; 507 uint8 *replyBuf; 508 509 XDROutPacketInit (&call); 510 XDRInPacketInit (&reply); 511 512 XDROutPacketAddFixed (&call,dir->opaque,NFS_FHSIZE); 513 XDROutPacketAddString (&call,filename); 514 515 replyBuf=send_rpc_call (ns,&ns->nfsAddr,NFS_PROGRAM,NFS_VERSION,NFSPROC_LOOKUP,&call); 516 517 if (!replyBuf) 518 { 519 XDRInPacketDestroy (&reply); 520 XDROutPacketDestroy (&call); 521 return EHOSTUNREACH; 522 } 523 524 XDRInPacketSetTo(&reply,replyBuf,0); 525 526 if (!is_successful_reply(&reply)) 527 { 528 XDRInPacketDestroy (&reply); 529 XDROutPacketDestroy (&call); 530 return B_ERROR; 531 } 532 533 status=XDRInPacketGetInt32(&reply); 534 535 if (status!=NFS_OK) 536 { 537 XDRInPacketDestroy (&reply); 538 XDROutPacketDestroy (&call); 539 return map_nfs_to_system_error(status); 540 } 541 542 XDRInPacketGetFixed (&reply,fhandle->opaque,NFS_FHSIZE); 543 544 if (st) 545 get_nfs_attr (&reply,st); 546 547 XDRInPacketDestroy (&reply); 548 XDROutPacketDestroy (&call); 549 return B_OK; 550 } 551 552 553 status_t 554 nfs_getattr(fs_nspace *ns, const nfs_fhandle *fhandle, struct stat *st) 555 { 556 struct XDROutPacket call; 557 struct XDRInPacket reply; 558 uint8 *replyBuf; 559 int32 status; 560 561 XDROutPacketInit(&call); 562 XDRInPacketInit(&reply); 563 564 XDROutPacketAddFixed(&call, fhandle->opaque, NFS_FHSIZE); 565 566 replyBuf = send_rpc_call(ns, &ns->nfsAddr, NFS_PROGRAM, NFS_VERSION, 567 NFSPROC_GETATTR, &call); 568 if (replyBuf == NULL) { 569 XDRInPacketDestroy(&reply); 570 XDROutPacketDestroy(&call); 571 return EHOSTUNREACH; 572 } 573 574 XDRInPacketSetTo(&reply, replyBuf, 0); 575 576 if (!is_successful_reply(&reply)) { 577 XDRInPacketDestroy(&reply); 578 XDROutPacketDestroy(&call); 579 return B_ERROR; 580 } 581 582 status = XDRInPacketGetInt32(&reply); 583 if (status != NFS_OK) { 584 XDRInPacketDestroy(&reply); 585 XDROutPacketDestroy(&call); 586 return map_nfs_to_system_error(status); 587 } 588 589 get_nfs_attr(&reply, st); 590 591 XDRInPacketDestroy(&reply); 592 XDROutPacketDestroy(&call); 593 return B_OK; 594 } 595 596 597 status_t 598 nfs_truncate_file(fs_nspace *ns, const nfs_fhandle *fhandle, struct stat *st) 599 { 600 struct XDROutPacket call; 601 struct XDRInPacket reply; 602 uint8 *replyBuf; 603 int32 status; 604 605 XDROutPacketInit(&call); 606 XDRInPacketInit(&reply); 607 608 XDROutPacketAddFixed(&call, fhandle->opaque, NFS_FHSIZE); 609 610 XDROutPacketAddInt32(&call, -1); 611 XDROutPacketAddInt32(&call, -1); 612 XDROutPacketAddInt32(&call, -1); 613 XDROutPacketAddInt32(&call, 0); 614 XDROutPacketAddInt32(&call, time(NULL)); 615 XDROutPacketAddInt32(&call, 0); 616 XDROutPacketAddInt32(&call, time(NULL)); 617 XDROutPacketAddInt32(&call, 0); 618 619 replyBuf = send_rpc_call(ns, &ns->nfsAddr, NFS_PROGRAM, NFS_VERSION, 620 NFSPROC_SETATTR, &call); 621 if (replyBuf == NULL) { 622 XDRInPacketDestroy(&reply); 623 XDROutPacketDestroy(&call); 624 return EHOSTUNREACH; 625 } 626 627 XDRInPacketSetTo(&reply, replyBuf, 0); 628 629 if (!is_successful_reply(&reply)) { 630 XDRInPacketDestroy(&reply); 631 XDROutPacketDestroy(&call); 632 return B_ERROR; 633 } 634 635 status = XDRInPacketGetInt32(&reply); 636 if (status != NFS_OK) { 637 XDRInPacketDestroy(&reply); 638 XDROutPacketDestroy(&call); 639 return map_nfs_to_system_error(status); 640 } 641 642 if (st) 643 get_nfs_attr(&reply,st); 644 645 XDRInPacketDestroy(&reply); 646 XDROutPacketDestroy(&call); 647 return B_OK; 648 } 649 650 651 void 652 get_nfs_attr(struct XDRInPacket *reply, struct stat *st) 653 { 654 nfs_ftype ftype=(nfs_ftype)XDRInPacketGetInt32(reply); 655 (void) ftype; 656 st->st_mode=XDRInPacketGetInt32(reply); 657 658 st->st_dev=0; // just to be sure 659 st->st_nlink=XDRInPacketGetInt32(reply); 660 st->st_uid=XDRInPacketGetInt32(reply); 661 st->st_gid=XDRInPacketGetInt32(reply); 662 st->st_size=XDRInPacketGetInt32(reply); 663 #if 0 664 XDRInPacketGetInt32(reply); // blksize 665 st->st_blksize=NFS_MAXDATA; 666 #else 667 st->st_blksize=XDRInPacketGetInt32(reply); 668 #endif 669 st->st_rdev=XDRInPacketGetInt32(reply); 670 XDRInPacketGetInt32(reply); // blocks 671 XDRInPacketGetInt32(reply); // fsid 672 st->st_ino=XDRInPacketGetInt32(reply); 673 st->st_atime=XDRInPacketGetInt32(reply); 674 XDRInPacketGetInt32(reply); // usecs 675 st->st_mtime=st->st_crtime=XDRInPacketGetInt32(reply); 676 XDRInPacketGetInt32(reply); // usecs 677 st->st_ctime=XDRInPacketGetInt32(reply); 678 XDRInPacketGetInt32(reply); // usecs 679 } 680 681 682 status_t 683 map_nfs_to_system_error(status_t nfsstatus) 684 { 685 switch (nfsstatus) { 686 case NFS_OK: 687 return B_OK; 688 689 case NFSERR_PERM: 690 return EPERM; 691 692 case NFSERR_NOENT: 693 return ENOENT; 694 695 case NFSERR_IO: 696 return EIO; 697 698 case NFSERR_NXIO: 699 return ENXIO; 700 701 case NFSERR_ACCES: 702 return EACCES; 703 704 case NFSERR_EXIST: 705 return EEXIST; 706 707 case NFSERR_NODEV: 708 return ENODEV; 709 710 case NFSERR_NOTDIR: 711 return ENOTDIR; 712 713 case NFSERR_ISDIR: 714 return EISDIR; 715 716 case NFSERR_FBIG: 717 return EFBIG; 718 719 case NFSERR_NOSPC: 720 return ENOSPC; 721 722 case NFSERR_ROFS: 723 return EROFS; 724 725 case NFSERR_NAMETOOLONG: 726 return ENAMETOOLONG; 727 728 case NFSERR_NOTEMPTY: 729 return ENOTEMPTY; 730 731 case NFSERR_STALE: 732 return C_ERROR_STALE; 733 734 default: 735 return B_ERROR; 736 } 737 } 738 739 740 nfs_fhandle 741 handle_from_vnid(fs_nspace *ns, ino_t vnid) 742 { 743 fs_node *current; 744 745 while (acquire_sem(ns->sem) == B_INTERRUPTED); 746 747 current = ns->first; 748 749 while (current != NULL && current->vnid != vnid) 750 current = current->next; 751 752 while (release_sem(ns->sem) == B_INTERRUPTED); 753 754 return current->fhandle; 755 } 756 757 758 void 759 insert_node(fs_nspace *ns, fs_node *node) 760 { 761 fs_node *current; 762 763 while (acquire_sem (ns->sem)==B_INTERRUPTED); 764 765 current=ns->first; 766 767 while ((current)&&(current->vnid!=node->vnid)) 768 current=current->next; 769 770 if (current) 771 { 772 free(node); 773 while (release_sem (ns->sem)==B_INTERRUPTED); 774 return; 775 } 776 777 node->next=ns->first; 778 ns->first=node; 779 780 while (release_sem (ns->sem)==B_INTERRUPTED); 781 } 782 783 784 void 785 remove_node(fs_nspace *ns, ino_t vnid) 786 { 787 fs_node *current; 788 fs_node *previous; 789 790 while(acquire_sem (ns->sem)==B_INTERRUPTED); 791 792 current=ns->first; 793 previous=NULL; 794 795 while (current != NULL && current->vnid != vnid) { 796 previous = current; 797 current = current->next; 798 } 799 800 if (current) { 801 if (previous) 802 previous->next=current->next; 803 else 804 ns->first=current->next; 805 806 free(current); 807 } 808 809 while (release_sem (ns->sem)==B_INTERRUPTED); 810 } 811 812 813 // #pragma mark - 814 815 816 static status_t 817 fs_read_vnode(fs_volume *_volume, ino_t vnid, fs_vnode *_node, int *_type, 818 uint32 *_flags, bool r) 819 820 { 821 fs_nspace *ns; 822 fs_node *current; 823 824 ns = _volume->private_volume; 825 826 if (!r) 827 { 828 while (acquire_sem (ns->sem)==B_INTERRUPTED); 829 } 830 831 current=ns->first; 832 833 while ((current)&&(current->vnid!=vnid)) 834 current=current->next; 835 836 if (!current) 837 return EINVAL; 838 839 current->vnid = vnid; 840 _node->private_node = current; 841 _node->ops = &sNFSVnodeOps; 842 *_type = 0; 843 *_flags = 0; 844 845 if (!r) 846 { 847 while (release_sem (ns->sem)==B_INTERRUPTED); 848 } 849 850 return B_OK; 851 } 852 853 854 static status_t 855 fs_release_vnode(fs_volume *_volume, fs_vnode *node, bool r) 856 { 857 (void) _volume; 858 (void) node; 859 (void) r; 860 return B_OK; 861 } 862 863 864 static status_t 865 fs_walk(fs_volume *_volume, fs_vnode *_base, const char *file, ino_t *vnid) 866 { 867 bool isLink; 868 fs_node *dummy; 869 status_t result; 870 fs_nspace *ns; 871 fs_node *base; 872 //dprintf("nfs: walk(%s)\n", file);//XXX:mmu_man:debug 873 874 ns = _volume->private_volume; 875 base = _base->private_node; 876 877 if (!strcmp(".",file)) 878 { 879 *vnid=base->vnid; 880 isLink=false; 881 } 882 else 883 { 884 fs_node *newNode=(fs_node *)malloc(sizeof(fs_node)); 885 struct stat st; 886 887 if ((result=nfs_lookup(ns,&base->fhandle,file,&newNode->fhandle,&st))<B_OK) 888 { 889 free(newNode); 890 return result; 891 } 892 893 newNode->vnid=st.st_ino; 894 *vnid=newNode->vnid; 895 896 insert_node (ns,newNode); 897 898 isLink=S_ISLNK(st.st_mode); 899 } 900 901 if ((result=get_vnode (_volume,*vnid,(void **)&dummy))<B_OK) 902 return result; 903 904 return B_OK; 905 } 906 907 908 static status_t 909 fs_opendir(fs_volume *_volume, fs_vnode *_node, void **_cookie) 910 { 911 fs_nspace *ns; 912 fs_node *node; 913 nfs_cookie **cookie; 914 915 struct stat st; 916 status_t result; 917 918 ns = _volume->private_volume; 919 node = _node->private_node; 920 cookie = (nfs_cookie **)_cookie; 921 922 if ((result=nfs_getattr(ns,&node->fhandle,&st))<B_OK) 923 return result; 924 925 if (!S_ISDIR(st.st_mode)) 926 return ENOTDIR; 927 928 *cookie=(nfs_cookie *)malloc(sizeof(nfs_cookie)); 929 memset ((*cookie)->opaque,0,NFS_COOKIESIZE); 930 931 return B_OK; 932 } 933 934 935 static status_t 936 fs_closedir(fs_volume *_volume, fs_vnode *_node, void *cookie) 937 { 938 (void) _volume; 939 (void) _node; 940 (void) cookie; 941 return B_OK; 942 } 943 944 945 static status_t 946 fs_rewinddir(fs_volume *_volume, fs_vnode *_node, void *_cookie) 947 { 948 nfs_cookie *cookie = (nfs_cookie *)_cookie; 949 (void) _volume; 950 (void) _node; 951 memset (cookie->opaque,0,NFS_COOKIESIZE); 952 953 return B_OK; 954 } 955 956 957 static status_t 958 fs_readdir(fs_volume *_volume, fs_vnode *_node, void *_cookie, 959 struct dirent *buf, size_t bufsize, uint32 *num) 960 { 961 nfs_cookie *cookie = (nfs_cookie *)_cookie; 962 int32 max=*num; 963 int32 eof; 964 965 fs_nspace *ns; 966 fs_node *node; 967 968 size_t count=min_c(6000,max*300); 969 970 *num=0; 971 972 ns = _volume->private_volume; 973 node = _node->private_node; 974 975 do 976 { 977 ino_t vnid; 978 char *filename; 979 uint8 *replyBuf; 980 struct XDROutPacket call; 981 struct XDRInPacket reply; 982 int32 status; 983 984 XDROutPacketInit (&call); 985 XDRInPacketInit (&reply); 986 987 XDROutPacketAddFixed (&call,node->fhandle.opaque,NFS_FHSIZE); 988 XDROutPacketAddFixed (&call,cookie->opaque,NFS_COOKIESIZE); 989 XDROutPacketAddInt32 (&call,count); 990 991 replyBuf=send_rpc_call (ns,&ns->nfsAddr,NFS_PROGRAM,NFS_VERSION,NFSPROC_READDIR,&call); 992 993 if (!replyBuf) 994 { 995 XDRInPacketDestroy (&reply); 996 XDROutPacketDestroy (&call); 997 return B_ERROR; 998 } 999 1000 XDRInPacketSetTo(&reply,replyBuf,0); 1001 1002 if (!is_successful_reply(&reply)) 1003 { 1004 XDRInPacketDestroy (&reply); 1005 XDROutPacketDestroy (&call); 1006 return B_ERROR; 1007 } 1008 1009 status=XDRInPacketGetInt32(&reply); 1010 1011 if (status!=NFS_OK) 1012 { 1013 XDRInPacketDestroy (&reply); 1014 XDROutPacketDestroy (&call); 1015 return map_nfs_to_system_error(status); 1016 } 1017 1018 while (XDRInPacketGetInt32(&reply)==1) 1019 { 1020 nfs_cookie newCookie; 1021 1022 vnid=XDRInPacketGetInt32(&reply); 1023 filename=XDRInPacketGetString(&reply); 1024 1025 XDRInPacketGetFixed(&reply,newCookie.opaque,NFS_COOKIESIZE); 1026 1027 //if (strcmp(".",filename)&&strcmp("..",filename)) 1028 //if ((ns->rootid != node->vnid) || (strcmp(".",filename)&&strcmp("..",filename))) 1029 if (conf_ls_root_parent || ((ns->rootid != node->vnid) || strcmp("..",filename))) 1030 { 1031 status_t result; 1032 struct stat st; 1033 1034 fs_node *newNode=(fs_node *)malloc(sizeof(fs_node)); 1035 newNode->vnid=vnid; 1036 1037 if ((result=nfs_lookup(ns,&node->fhandle,filename,&newNode->fhandle,&st))<B_OK) 1038 { 1039 free (filename); 1040 free(newNode); 1041 XDRInPacketDestroy (&reply); 1042 XDROutPacketDestroy (&call); 1043 return result; 1044 } 1045 1046 insert_node (ns,newNode); 1047 1048 if (bufsize<2*(sizeof(dev_t)+sizeof(ino_t))+sizeof(unsigned short)+strlen(filename)+1) 1049 { 1050 XDRInPacketDestroy (&reply); 1051 XDROutPacketDestroy (&call); 1052 return B_OK; 1053 } 1054 1055 buf->d_dev=ns->nsid; 1056 buf->d_pdev=ns->nsid; 1057 buf->d_ino=vnid; 1058 buf->d_pino=node->vnid; 1059 buf->d_reclen=2*(sizeof(dev_t)+sizeof(ino_t))+sizeof(unsigned short)+strlen(filename)+1; 1060 strcpy (buf->d_name,filename); 1061 // if ((ns->rootid == node->vnid))//XXX:mmu_man:test 1062 // dprintf("nfs: dirent %d {d:%ld pd:%ld i:%lld pi:%lld '%s'}\n", *num, buf->d_dev, buf->d_pdev, buf->d_ino, buf->d_pino, buf->d_name); 1063 1064 bufsize-=buf->d_reclen; 1065 buf=(struct dirent *)((char *)buf+buf->d_reclen); 1066 1067 memcpy (cookie->opaque,newCookie.opaque,NFS_COOKIESIZE); 1068 1069 (*num)++; 1070 } 1071 else { 1072 memcpy (cookie->opaque,newCookie.opaque,NFS_COOKIESIZE); 1073 } 1074 1075 free (filename); 1076 1077 if ((*num)==max) 1078 { 1079 XDRInPacketDestroy (&reply); 1080 XDROutPacketDestroy (&call); 1081 return B_OK; 1082 } 1083 } 1084 1085 eof=XDRInPacketGetInt32(&reply); 1086 1087 XDRInPacketDestroy (&reply); 1088 XDROutPacketDestroy (&call); 1089 } 1090 while (eof==0); 1091 1092 return B_OK; 1093 } 1094 1095 1096 static status_t 1097 fs_free_dircookie(fs_volume *_volume, fs_vnode *_node, void *cookie) 1098 { 1099 (void) _volume; 1100 (void) _node; 1101 free(cookie); 1102 return B_OK; 1103 } 1104 1105 1106 static status_t 1107 fs_rstat(fs_volume *_volume, fs_vnode *_node, struct stat *st) 1108 { 1109 fs_nspace *ns; 1110 fs_node *node; 1111 status_t result; 1112 1113 ns = _volume->private_volume; 1114 node = _node->private_node; 1115 1116 //dprintf("nfs: rstat()\n");//XXX:mmu_man:debug 1117 if ((result=nfs_getattr(ns,&node->fhandle,st))<B_OK) 1118 return result; 1119 1120 st->st_dev=ns->nsid; 1121 //st->st_nlink = 1; //XXX:mmu_man:test 1122 return B_OK; 1123 } 1124 1125 1126 void 1127 fs_nspaceInit(struct fs_nspace *nspace) 1128 { 1129 RPCPendingCallsInit (&nspace->pendingCalls); 1130 } 1131 1132 1133 void 1134 fs_nspaceDestroy(struct fs_nspace *nspace) 1135 { 1136 RPCPendingCallsDestroy (&nspace->pendingCalls); 1137 } 1138 1139 1140 static status_t 1141 parse_nfs_params(const char *str, struct mount_nfs_params *params) 1142 { 1143 const char *p, *e; 1144 long v; 1145 int i; 1146 // sprintf(buf, "nfs:%s:%s,uid=%u,gid=%u,hostname=%s", 1147 if (!str || !params) 1148 return EINVAL; 1149 if (strncmp(str, "nfs:", 4)) 1150 return EINVAL; 1151 dprintf("nfs:ip!\n"); 1152 p = str + 4; 1153 e = strchr(p, ':'); 1154 if (!e) 1155 return EINVAL; 1156 params->server = malloc(e - p + 1); 1157 params->server[e-p] = '\0'; 1158 strncpy(params->server, p, e - p); 1159 // hack 1160 params->serverIP = 0; 1161 v = strtol(p, (char **)&p, 10); 1162 dprintf("IP:%ld.", v); 1163 if (!p) 1164 return EINVAL; 1165 params->serverIP |= (v << 24); 1166 p++; 1167 v = strtol(p, (char **)&p, 10); 1168 dprintf("%ld.", v); 1169 if (!p) 1170 return EINVAL; 1171 params->serverIP |= (v << 16); 1172 p++; 1173 v = strtol(p, (char **)&p, 10); 1174 dprintf("%ld.", v); 1175 if (!p) 1176 return EINVAL; 1177 params->serverIP |= (v << 8); 1178 p++; 1179 v = strtol(p, (char **)&p, 10); 1180 dprintf("%ld\n", v); 1181 if (!p) 1182 return EINVAL; 1183 params->serverIP |= (v); 1184 if (*p++ != ':') 1185 return EINVAL; 1186 1187 e = strchr(p, ','); 1188 i = (e) ? (e - p) : (strlen(p)); 1189 1190 params->_export = malloc(i+1); 1191 params->_export[i] = '\0'; 1192 strncpy(params->_export, p, i); 1193 1194 p = strstr(str, "hostname="); 1195 if (!p) 1196 return EINVAL; 1197 dprintf("nfs:hn!\n"); 1198 p += 9; 1199 e = strchr(p, ','); 1200 i = (e) ? (e - p) : (strlen(p)); 1201 1202 params->hostname = malloc(i+1); 1203 params->hostname[i] = '\0'; 1204 strncpy(params->hostname, p, i); 1205 1206 p = strstr(str, "uid="); 1207 dprintf("nfs:uid!\n"); 1208 if (p) { 1209 p += 4; 1210 v = strtol(p, (char **)&p, 10); 1211 params->uid = v; 1212 } 1213 dprintf("nfs:gid!\n"); 1214 p = strstr(str, "gid="); 1215 if (p) { 1216 p += 4; 1217 v = strtol(p, (char **)&p, 10); 1218 params->gid = v; 1219 } 1220 dprintf("nfs: ip:%08x server:'%s' export:'%s' hostname:'%s' uid=%d gid=%d \n", 1221 params->serverIP, params->server, params->_export, 1222 params->hostname, params->uid, params->gid); 1223 return B_OK; 1224 } 1225 1226 1227 static status_t 1228 fs_mount(fs_volume *_vol, const char *devname, uint32 flags, const char *_parms, ino_t *vnid) 1229 { 1230 status_t result; 1231 fs_nspace *ns; 1232 fs_node *rootNode; 1233 struct stat st; 1234 1235 if (_parms == NULL) 1236 return EINVAL; 1237 1238 dprintf("nfs: mount(%ld, %s, %08lx)\n", _vol->id, devname, flags); 1239 dprintf("nfs: nfs_params: %s\n", _parms); 1240 1241 // HAIKU: this should go to std_ops 1242 if (!refcount) 1243 read_config(); 1244 1245 1246 result = ENOMEM; 1247 ns = (fs_nspace *)malloc(sizeof(fs_nspace)); 1248 if (!ns) 1249 goto err_nspace; 1250 fs_nspaceInit(ns); 1251 1252 ns->nsid = _vol->id; 1253 1254 ns->params.server = NULL; 1255 ns->params._export = NULL; 1256 ns->params.hostname = NULL; 1257 if ((result = parse_nfs_params(_parms, &ns->params)) < 0) 1258 goto err_params; 1259 ns->xid = 0; 1260 ns->mountAddr.sin_family = AF_INET; 1261 ns->mountAddr.sin_addr.s_addr = htonl(ns->params.serverIP); 1262 memset(ns->mountAddr.sin_zero, 0, sizeof(ns->mountAddr.sin_zero)); 1263 1264 if ((result = create_socket(ns)) < B_OK) 1265 { 1266 dprintf( "nfs: could not create socket (%d)\n", (int)result ); 1267 goto err_socket; 1268 } 1269 1270 if ((result = init_postoffice(ns)) < B_OK) 1271 { 1272 dprintf( "nfs: could not init_postoffice() (%d)\n", (int)result ); 1273 goto err_postoffice; 1274 } 1275 1276 if ((result = get_remote_address(ns, MOUNT_PROGRAM, MOUNT_VERSION, 1277 PMAP_IPPROTO_UDP, &ns->mountAddr)) < B_OK) 1278 { 1279 dprintf( "could not get_remote_address() (%d)\n", (int)result ); 1280 goto err_sem; 1281 } 1282 1283 memcpy(&ns->nfsAddr, &ns->mountAddr, sizeof(ns->mountAddr)); 1284 dprintf("nfs: mountd at %08x:%d\n", ns->mountAddr.sin_addr.s_addr, ntohs(ns->mountAddr.sin_port)); 1285 1286 if ((result = get_remote_address(ns, NFS_PROGRAM, NFS_VERSION, 1287 PMAP_IPPROTO_UDP, &ns->nfsAddr)) < B_OK) 1288 goto err_sem; 1289 dprintf("nfs: nfsd at %08x:%d\n", ns->nfsAddr.sin_addr.s_addr, ntohs(ns->nfsAddr.sin_port)); 1290 // result = connect_socket(ns); 1291 //dprintf("nfs: connect: %s\n", strerror(result)); 1292 1293 if ((result = create_sem(1, "nfs_sem")) < B_OK) 1294 goto err_sem; 1295 1296 ns->sem = result; 1297 1298 set_sem_owner(ns->sem, B_SYSTEM_TEAM); 1299 1300 result = ENOMEM; 1301 rootNode = (fs_node *)malloc(sizeof(fs_node)); 1302 if (!rootNode) 1303 goto err_rootvn; 1304 rootNode->next = NULL; 1305 1306 if ((result = nfs_mount(ns, ns->params._export, &rootNode->fhandle)) < B_OK) 1307 goto err_mount; 1308 1309 if ((result = nfs_getattr(ns, &rootNode->fhandle, &st)) < B_OK) 1310 goto err_publish; 1311 1312 ns->rootid = st.st_ino; 1313 rootNode->vnid = ns->rootid; 1314 1315 *vnid = ns->rootid; 1316 1317 _vol->private_volume = ns; 1318 _vol->ops = &sNFSVolumeOps; 1319 1320 // TODO: set right mode 1321 if ((result = publish_vnode(_vol, *vnid, rootNode, &sNFSVnodeOps, 1322 S_IFDIR, 0)) < B_OK) 1323 goto err_publish; 1324 1325 _vol->private_volume = ns; 1326 1327 ns->first=rootNode; 1328 1329 return B_OK; 1330 1331 err_publish: 1332 // XXX: unmount ?? 1333 err_mount: 1334 free(rootNode); 1335 err_rootvn: 1336 delete_sem (ns->sem); 1337 err_sem: 1338 shutdown_postoffice(ns); 1339 goto err_socket; 1340 err_postoffice: 1341 close(ns->s); 1342 err_socket: 1343 err_params: 1344 free (ns->params.hostname); 1345 free (ns->params._export); 1346 free (ns->params.server); 1347 1348 fs_nspaceDestroy (ns); 1349 free(ns); 1350 err_nspace: 1351 1352 if (result >= 0) { 1353 dprintf("nfs:bad error from mount!\n"); 1354 result = EINVAL; 1355 } 1356 dprintf("nfs: error in nfs_mount: %s\n", strerror(result)); 1357 return result; 1358 } 1359 1360 1361 static status_t 1362 fs_unmount(fs_volume *_volume) 1363 { 1364 fs_nspace *ns = (fs_nspace *)_volume->private_volume; 1365 free(ns->params.hostname); 1366 free(ns->params._export); 1367 free(ns->params.server); 1368 1369 while (ns->first) { 1370 fs_node *next = ns->first->next; 1371 free(ns->first); 1372 ns->first = next; 1373 } 1374 1375 // We need to put the reference to our root node ourselves 1376 put_vnode(_volume, ns->rootid); 1377 1378 delete_sem(ns->sem); 1379 shutdown_postoffice(ns); 1380 fs_nspaceDestroy(ns); 1381 free(ns); 1382 return B_OK; 1383 } 1384 1385 1386 static status_t 1387 fs_rfsstat(fs_volume *_volume, struct fs_info *info) 1388 { 1389 fs_nspace *ns; 1390 struct XDROutPacket call; 1391 struct XDRInPacket reply; 1392 nfs_fhandle rootHandle; 1393 uint8 *replyBuf; 1394 int32 status; 1395 1396 ns = (fs_nspace *)_volume->private_volume; 1397 1398 rootHandle = handle_from_vnid (ns,ns->rootid); 1399 //dprintf("nfs: rfsstat()\n");//XXX:mmu_man:debug 1400 1401 XDROutPacketInit(&call); 1402 XDRInPacketInit(&reply); 1403 1404 XDROutPacketAddFixed(&call, rootHandle.opaque, NFS_FHSIZE); 1405 1406 replyBuf = send_rpc_call(ns, &ns->nfsAddr, NFS_PROGRAM, NFS_VERSION, 1407 NFSPROC_STATFS, &call); 1408 if (replyBuf == NULL) { 1409 XDRInPacketDestroy(&reply); 1410 XDROutPacketDestroy(&call); 1411 return EHOSTUNREACH; 1412 } 1413 1414 XDRInPacketSetTo(&reply, replyBuf, 0); 1415 1416 if (!is_successful_reply(&reply)) { 1417 XDRInPacketDestroy(&reply); 1418 XDROutPacketDestroy(&call); 1419 return B_ERROR; 1420 } 1421 1422 status = XDRInPacketGetInt32(&reply); 1423 if (status != NFS_OK) { 1424 XDRInPacketDestroy(&reply); 1425 XDROutPacketDestroy(&call); 1426 //dprintf("nfs: rfsstat() error 0x%08lx\n", map_nfs_to_system_error(status)); 1427 return map_nfs_to_system_error(status); 1428 } 1429 1430 info->dev = ns->nsid; 1431 info->root = ns->rootid; 1432 info->flags = NFS_FS_FLAGS; 1433 1434 XDRInPacketGetInt32(&reply); // tsize 1435 1436 info->block_size = XDRInPacketGetInt32(&reply); 1437 info->io_size = 8192; 1438 info->total_blocks = XDRInPacketGetInt32(&reply); 1439 info->free_blocks = XDRInPacketGetInt32(&reply); 1440 info->total_nodes = 100; 1441 info->free_nodes = 100; 1442 strcpy(info->volume_name, "nfs://"); 1443 strcat(info->volume_name, ns->params.server); 1444 strcat(info->volume_name, ns->params._export); 1445 strcpy(info->fsh_name, "nfs"); 1446 1447 XDRInPacketDestroy(&reply); 1448 XDROutPacketDestroy(&call); 1449 return B_OK; 1450 } 1451 1452 1453 static status_t 1454 fs_open(fs_volume *_volume, fs_vnode *_node, int omode, void **_cookie) 1455 { 1456 fs_nspace *ns; 1457 fs_node *node; 1458 struct stat st; 1459 status_t result; 1460 fs_file_cookie **cookie; 1461 1462 ns = _volume->private_volume; 1463 node = _node->private_node; 1464 cookie = (fs_file_cookie **)_cookie; 1465 1466 if ((result=nfs_getattr(ns,&node->fhandle,&st))<B_OK) 1467 return result; 1468 1469 if (S_ISDIR(st.st_mode)) { 1470 /* permit opening of directories */ 1471 if (conf_allow_dir_open) { 1472 *cookie = NULL; 1473 return B_OK; 1474 } else 1475 return EISDIR; 1476 } 1477 1478 *cookie=(fs_file_cookie *)malloc(sizeof(fs_file_cookie)); 1479 (*cookie)->omode=omode; 1480 (*cookie)->original_size=st.st_size; 1481 (*cookie)->st=st; 1482 1483 return B_OK; 1484 } 1485 1486 1487 static status_t 1488 fs_close(fs_volume *_volume, fs_vnode *_node, void *cookie) 1489 { 1490 (void) _volume; 1491 (void) _node; 1492 (void) cookie; 1493 /* //XXX:mmu_man:why that ?? makes Tracker go nuts updating the stats 1494 if ((cookie->omode & O_RDWR)||(cookie->omode & O_WRONLY)) 1495 return my_notify_listener (B_STAT_CHANGED,ns->nsid,0,0,node->vnid,NULL); 1496 */ 1497 return B_OK; 1498 } 1499 1500 1501 static status_t 1502 fs_free_cookie(fs_volume *_volume, fs_vnode *_node, void *cookie) 1503 { 1504 (void) _volume; 1505 (void) _node; 1506 free(cookie); 1507 return B_OK; 1508 } 1509 1510 1511 static status_t 1512 fs_read(fs_volume *_volume, fs_vnode *_node, void *_cookie, off_t pos, 1513 void *buf, size_t *len) 1514 { 1515 fs_nspace *ns; 1516 fs_node *node; 1517 fs_file_cookie *cookie; 1518 size_t max = *len; 1519 *len = 0; 1520 1521 ns = _volume->private_volume; 1522 node = _node->private_node; 1523 cookie = (fs_file_cookie *)_cookie; 1524 1525 if (!cookie) 1526 return EISDIR; /* do not permit reading of directories */ 1527 1528 while ((*len) < max) { 1529 size_t count = min_c(NFS_MAXDATA, max-(*len)); 1530 struct XDROutPacket call; 1531 struct XDRInPacket reply; 1532 int32 status; 1533 uint8 *replyBuf; 1534 struct stat st; 1535 size_t readbytes; 1536 1537 XDROutPacketInit(&call); 1538 XDRInPacketInit(&reply); 1539 1540 XDROutPacketAddFixed(&call, &node->fhandle.opaque, NFS_FHSIZE); 1541 XDROutPacketAddInt32(&call, pos); 1542 XDROutPacketAddInt32(&call, count); 1543 XDROutPacketAddInt32(&call, 0); 1544 1545 replyBuf = send_rpc_call(ns, &ns->nfsAddr, NFS_PROGRAM, NFS_VERSION, 1546 NFSPROC_READ, &call); 1547 if (replyBuf == NULL) { 1548 XDRInPacketDestroy(&reply); 1549 XDROutPacketDestroy(&call); 1550 return B_ERROR; 1551 } 1552 1553 XDRInPacketSetTo(&reply, replyBuf, 0); 1554 1555 if (!is_successful_reply(&reply)) { 1556 XDRInPacketDestroy(&reply); 1557 XDROutPacketDestroy(&call); 1558 return B_ERROR; 1559 } 1560 1561 status = XDRInPacketGetInt32(&reply); 1562 if (status != NFS_OK) { 1563 XDRInPacketDestroy(&reply); 1564 XDROutPacketDestroy(&call); 1565 return map_nfs_to_system_error(status); 1566 } 1567 1568 get_nfs_attr(&reply, &st); 1569 cookie->st = st; 1570 1571 readbytes = XDRInPacketGetDynamic(&reply, buf); 1572 1573 buf = (char *)buf + readbytes; 1574 (*len) += readbytes; 1575 pos += readbytes; 1576 1577 XDRInPacketDestroy(&reply); 1578 XDROutPacketDestroy(&call); 1579 1580 if (pos >= st.st_size) 1581 break; 1582 } 1583 1584 return B_OK; 1585 } 1586 1587 1588 static status_t 1589 fs_write(fs_volume *_volume, fs_vnode *_node, void *_cookie, off_t pos, 1590 const void *buf, size_t *len) 1591 { 1592 fs_nspace *ns; 1593 fs_node *node; 1594 fs_file_cookie *cookie; 1595 size_t bytesWritten = 0; 1596 1597 ns = _volume->private_volume; 1598 node = _node->private_node; 1599 cookie = (fs_file_cookie *)_cookie; 1600 1601 if (!cookie) 1602 return EISDIR; /* do not permit reading of directories */ 1603 if (cookie->omode & O_APPEND) 1604 pos+=cookie->original_size; 1605 1606 while (bytesWritten < *len) { 1607 size_t count=min_c(NFS_MAXDATA,(*len)-bytesWritten); 1608 1609 struct XDROutPacket call; 1610 struct XDRInPacket reply; 1611 int32 status; 1612 uint8 *replyBuf; 1613 struct stat st; 1614 1615 XDROutPacketInit (&call); 1616 XDRInPacketInit (&reply); 1617 1618 XDROutPacketAddFixed (&call,&node->fhandle.opaque,NFS_FHSIZE); 1619 XDROutPacketAddInt32 (&call,0); 1620 XDROutPacketAddInt32 (&call,pos+bytesWritten); 1621 XDROutPacketAddInt32 (&call,0); 1622 XDROutPacketAddDynamic (&call,(const char *)buf+bytesWritten,count); 1623 1624 replyBuf=send_rpc_call (ns,&ns->nfsAddr,NFS_PROGRAM,NFS_VERSION,NFSPROC_WRITE,&call); 1625 1626 if (!replyBuf) 1627 { 1628 XDRInPacketDestroy (&reply); 1629 XDROutPacketDestroy (&call); 1630 return B_ERROR; 1631 } 1632 1633 XDRInPacketSetTo (&reply,replyBuf,0); 1634 1635 if (!is_successful_reply(&reply)) 1636 { 1637 XDRInPacketDestroy (&reply); 1638 XDROutPacketDestroy (&call); 1639 return B_ERROR; 1640 } 1641 1642 status=XDRInPacketGetInt32(&reply); 1643 1644 if (status!=NFS_OK) 1645 { 1646 XDRInPacketDestroy (&reply); 1647 XDROutPacketDestroy (&call); 1648 return map_nfs_to_system_error(status); 1649 } 1650 1651 get_nfs_attr (&reply,&st); 1652 1653 cookie->st=st; 1654 1655 bytesWritten+=count; 1656 1657 XDRInPacketDestroy (&reply); 1658 XDROutPacketDestroy (&call); 1659 } 1660 1661 return B_OK; 1662 } 1663 1664 static status_t 1665 fs_wstat(fs_volume *_volume, fs_vnode *_node, const struct stat *st, uint32 mask) 1666 { 1667 fs_nspace *ns; 1668 fs_node *node; 1669 struct XDROutPacket call; 1670 struct XDRInPacket reply; 1671 1672 uint8 *replyBuf; 1673 int32 status; 1674 1675 ns = _volume->private_volume; 1676 node = _node->private_node; 1677 1678 XDROutPacketInit (&call); 1679 XDRInPacketInit (&reply); 1680 1681 XDROutPacketAddFixed (&call,node->fhandle.opaque,NFS_FHSIZE); 1682 1683 XDROutPacketAddInt32 (&call,(mask & WSTAT_MODE) ? st->st_mode : -1); 1684 XDROutPacketAddInt32 (&call,(mask & WSTAT_UID) ? st->st_uid : -1); 1685 XDROutPacketAddInt32 (&call,(mask & WSTAT_GID) ? st->st_gid : -1); 1686 XDROutPacketAddInt32 (&call,(mask & WSTAT_SIZE) ? st->st_size : -1); 1687 XDROutPacketAddInt32 (&call,(mask & WSTAT_ATIME) ? st->st_atime : -1); 1688 XDROutPacketAddInt32 (&call,(mask & WSTAT_ATIME) ? 0 : -1); 1689 XDROutPacketAddInt32 (&call,(mask & WSTAT_MTIME) ? st->st_mtime : -1); 1690 XDROutPacketAddInt32 (&call,(mask & WSTAT_MTIME) ? 0 : -1); 1691 1692 replyBuf=send_rpc_call (ns,&ns->nfsAddr,NFS_PROGRAM,NFS_VERSION,NFSPROC_SETATTR,&call); 1693 1694 if (!replyBuf) 1695 { 1696 XDRInPacketDestroy (&reply); 1697 XDROutPacketDestroy (&call); 1698 return EHOSTUNREACH; 1699 } 1700 1701 XDRInPacketSetTo (&reply,replyBuf,0); 1702 1703 if (!is_successful_reply(&reply)) 1704 { 1705 XDRInPacketDestroy (&reply); 1706 XDROutPacketDestroy (&call); 1707 return B_ERROR; 1708 } 1709 1710 status=XDRInPacketGetInt32(&reply); 1711 1712 if (status!=NFS_OK) 1713 return map_nfs_to_system_error(status); 1714 1715 XDRInPacketDestroy (&reply); 1716 XDROutPacketDestroy (&call); 1717 1718 return notify_stat_changed (_volume->id, node->vnid, mask); 1719 } 1720 1721 static status_t 1722 fs_wfsstat(fs_volume *_volume, const struct fs_info *info, uint32 mask) 1723 { 1724 (void) _volume; 1725 (void) info; 1726 (void) mask; 1727 return B_OK; 1728 } 1729 1730 static status_t 1731 fs_create(fs_volume *_volume, fs_vnode *_dir, const char *name, int omode, int perms, void **_cookie, ino_t *vnid) 1732 { 1733 nfs_fhandle fhandle; 1734 struct stat st; 1735 fs_file_cookie **cookie; 1736 1737 fs_nspace *ns; 1738 fs_node *dir; 1739 1740 status_t result; 1741 1742 ns = _volume->private_volume; 1743 dir = _dir->private_node; 1744 cookie = (fs_file_cookie **)_cookie; 1745 1746 result=nfs_lookup(ns,&dir->fhandle,name,&fhandle,&st); 1747 1748 if (result==B_OK) 1749 { 1750 void *dummy; 1751 fs_node *newNode=(fs_node *)malloc(sizeof(fs_node)); 1752 newNode->fhandle=fhandle; 1753 newNode->vnid=st.st_ino; 1754 insert_node (ns,newNode); 1755 1756 *vnid=st.st_ino; 1757 1758 if ((result=get_vnode(_volume,*vnid,&dummy))<B_OK) 1759 return result; 1760 1761 if (S_ISDIR(st.st_mode)) 1762 return EISDIR; 1763 1764 if (omode & O_EXCL) 1765 return EEXIST; 1766 1767 if (omode & O_TRUNC) 1768 { 1769 if ((result=nfs_truncate_file(ns,&fhandle,NULL))<B_OK) 1770 return result; 1771 } 1772 1773 *cookie=(fs_file_cookie *)malloc(sizeof(fs_file_cookie)); 1774 (*cookie)->omode=omode; 1775 (*cookie)->original_size=st.st_size; 1776 (*cookie)->st=st; 1777 1778 return B_OK; 1779 } 1780 else if (result!=ENOENT) 1781 return result; 1782 else 1783 { 1784 struct XDROutPacket call; 1785 struct XDRInPacket reply; 1786 1787 uint8 *replyBuf; 1788 int32 status; 1789 1790 fs_node *newNode; 1791 1792 if (!(omode & O_CREAT)) 1793 return ENOENT; 1794 1795 XDROutPacketInit (&call); 1796 XDRInPacketInit (&reply); 1797 1798 XDROutPacketAddFixed (&call,dir->fhandle.opaque,NFS_FHSIZE); 1799 XDROutPacketAddString(&call,name); 1800 XDROutPacketAddInt32 (&call,perms|S_IFREG); 1801 XDROutPacketAddInt32 (&call,-1); 1802 XDROutPacketAddInt32 (&call,-1); 1803 XDROutPacketAddInt32 (&call,0); 1804 XDROutPacketAddInt32 (&call,time(NULL)); 1805 XDROutPacketAddInt32 (&call,0); 1806 XDROutPacketAddInt32 (&call,time(NULL)); 1807 XDROutPacketAddInt32 (&call,0); 1808 1809 replyBuf=send_rpc_call (ns,&ns->nfsAddr,NFS_PROGRAM,NFS_VERSION,NFSPROC_CREATE,&call); 1810 1811 if (!replyBuf) 1812 { 1813 XDRInPacketDestroy (&reply); 1814 XDROutPacketDestroy (&call); 1815 return B_ERROR; 1816 } 1817 1818 XDRInPacketSetTo (&reply,replyBuf,0); 1819 1820 if (!is_successful_reply(&reply)) 1821 { 1822 XDRInPacketDestroy (&reply); 1823 XDROutPacketDestroy (&call); 1824 return B_ERROR; 1825 } 1826 1827 status=XDRInPacketGetInt32(&reply); 1828 1829 if (status!=NFS_OK) 1830 { 1831 XDRInPacketDestroy (&reply); 1832 XDROutPacketDestroy (&call); 1833 return map_nfs_to_system_error(status); 1834 } 1835 1836 XDRInPacketGetFixed (&reply,fhandle.opaque,NFS_FHSIZE); 1837 1838 get_nfs_attr (&reply,&st); 1839 1840 newNode=(fs_node *)malloc(sizeof(fs_node)); 1841 newNode->fhandle=fhandle; 1842 newNode->vnid=st.st_ino; 1843 1844 insert_node (ns,newNode); 1845 1846 *vnid=st.st_ino; 1847 *cookie=(fs_file_cookie *)malloc(sizeof(fs_file_cookie)); 1848 (*cookie)->omode=omode; 1849 (*cookie)->original_size=st.st_size; 1850 (*cookie)->st=st; 1851 1852 result=new_vnode (_volume,*vnid,newNode,&sNFSVnodeOps); 1853 1854 if (result<B_OK) 1855 { 1856 XDRInPacketDestroy (&reply); 1857 XDROutPacketDestroy (&call); 1858 return result; 1859 } 1860 1861 XDRInPacketDestroy (&reply); 1862 XDROutPacketDestroy (&call); 1863 return notify_entry_created (_volume->id, dir->vnid, name, *vnid); 1864 } 1865 } 1866 1867 static status_t 1868 fs_unlink(fs_volume *_volume, fs_vnode *_dir, const char *name) 1869 { 1870 status_t result; 1871 fs_nspace *ns; 1872 fs_node *dir; 1873 fs_node *newNode; 1874 fs_node *dummy; 1875 1876 struct XDROutPacket call; 1877 struct XDRInPacket reply; 1878 1879 struct stat st; 1880 nfs_fhandle fhandle; 1881 uint8 *replyBuf; 1882 1883 int32 status; 1884 1885 ns = _volume->private_volume; 1886 dir = _dir->private_node; 1887 1888 XDROutPacketInit (&call); 1889 XDRInPacketInit (&reply); 1890 1891 if ((result=nfs_lookup(ns,&dir->fhandle,name,&fhandle,&st))<B_OK) 1892 { 1893 XDRInPacketDestroy (&reply); 1894 XDROutPacketDestroy (&call); 1895 return result; 1896 } 1897 1898 newNode=(fs_node *)malloc(sizeof(fs_node)); 1899 newNode->fhandle=fhandle; 1900 newNode->vnid=st.st_ino; 1901 1902 insert_node (ns,newNode); 1903 1904 if ((result=get_vnode(_volume,st.st_ino,(void **)&dummy))<B_OK) 1905 { 1906 XDRInPacketDestroy (&reply); 1907 XDROutPacketDestroy (&call); 1908 return result; 1909 } 1910 1911 if (!S_ISREG(st.st_mode)&&!S_ISLNK(st.st_mode)) 1912 { 1913 XDRInPacketDestroy (&reply); 1914 XDROutPacketDestroy (&call); 1915 return EISDIR; 1916 } 1917 1918 if ((result=remove_vnode(_volume,st.st_ino))<B_OK) 1919 { 1920 XDRInPacketDestroy (&reply); 1921 XDROutPacketDestroy (&call); 1922 return result; 1923 } 1924 1925 if ((result=put_vnode(_volume,st.st_ino))<B_OK) 1926 { 1927 XDRInPacketDestroy (&reply); 1928 XDROutPacketDestroy (&call); 1929 return result; 1930 } 1931 1932 XDROutPacketAddFixed (&call,dir->fhandle.opaque,NFS_FHSIZE); 1933 XDROutPacketAddString(&call,name); 1934 1935 replyBuf=send_rpc_call (ns,&ns->nfsAddr,NFS_PROGRAM,NFS_VERSION,NFSPROC_REMOVE,&call); 1936 1937 if (!replyBuf) 1938 { 1939 XDRInPacketDestroy (&reply); 1940 XDROutPacketDestroy (&call); 1941 return EHOSTUNREACH; 1942 } 1943 1944 XDRInPacketSetTo(&reply,replyBuf,0); 1945 1946 if (!is_successful_reply(&reply)) 1947 { 1948 XDRInPacketDestroy (&reply); 1949 XDROutPacketDestroy (&call); 1950 return B_ERROR; 1951 } 1952 1953 status=XDRInPacketGetInt32(&reply); 1954 1955 if (status!=NFS_OK) 1956 { 1957 XDRInPacketDestroy (&reply); 1958 XDROutPacketDestroy (&call); 1959 return map_nfs_to_system_error(status); 1960 } 1961 1962 XDRInPacketDestroy (&reply); 1963 XDROutPacketDestroy (&call); 1964 1965 return notify_entry_removed (_volume->id, dir->vnid, name, st.st_ino); 1966 } 1967 1968 static status_t 1969 fs_remove_vnode(fs_volume *_volume, fs_vnode *_node, bool r) 1970 { 1971 fs_nspace *ns = _volume->private_volume; 1972 fs_node *node = _node->private_node; 1973 1974 (void) r; 1975 1976 remove_node (ns,node->vnid); 1977 1978 return B_OK; 1979 } 1980 1981 static status_t 1982 fs_mkdir(fs_volume *_volume, fs_vnode *_dir, const char *name, int perms, ino_t *_newVnodeID) 1983 { 1984 fs_nspace *ns; 1985 fs_node *dir; 1986 1987 nfs_fhandle fhandle; 1988 struct stat st; 1989 fs_node *newNode; 1990 1991 status_t result; 1992 uint8 *replyBuf; 1993 int32 status; 1994 1995 struct XDROutPacket call; 1996 struct XDRInPacket reply; 1997 1998 ns = _volume->private_volume; 1999 dir = _dir->private_node; 2000 2001 XDROutPacketInit (&call); 2002 XDRInPacketInit (&reply); 2003 2004 result=nfs_lookup(ns,&dir->fhandle,name,&fhandle,&st); 2005 2006 if (result==B_OK) 2007 { 2008 //void *dummy; 2009 2010 XDRInPacketDestroy (&reply); 2011 XDROutPacketDestroy (&call); 2012 // XXX: either OK or not get_vnode !!! ?? 2013 //if ((result=get_vnode(_volume,st.st_ino,&dummy))<B_OK) 2014 // return result; 2015 return EEXIST; 2016 } 2017 else if (result!=ENOENT) 2018 { 2019 XDRInPacketDestroy (&reply); 2020 XDROutPacketDestroy (&call); 2021 return result; 2022 } 2023 2024 XDROutPacketAddFixed (&call,dir->fhandle.opaque,NFS_FHSIZE); 2025 XDROutPacketAddString(&call,name); 2026 XDROutPacketAddInt32 (&call,perms|S_IFDIR); 2027 XDROutPacketAddInt32 (&call,-1); 2028 XDROutPacketAddInt32 (&call,-1); 2029 XDROutPacketAddInt32 (&call,-1); 2030 XDROutPacketAddInt32 (&call,time(NULL)); 2031 XDROutPacketAddInt32 (&call,0); 2032 XDROutPacketAddInt32 (&call,time(NULL)); 2033 XDROutPacketAddInt32 (&call,0); 2034 2035 replyBuf=send_rpc_call (ns,&ns->nfsAddr,NFS_PROGRAM,NFS_VERSION,NFSPROC_MKDIR,&call); 2036 2037 if (!replyBuf) 2038 { 2039 XDRInPacketDestroy (&reply); 2040 XDROutPacketDestroy (&call); 2041 return B_ERROR; 2042 } 2043 2044 XDRInPacketSetTo (&reply,replyBuf,0); 2045 2046 if (!is_successful_reply(&reply)) 2047 { 2048 XDRInPacketDestroy (&reply); 2049 XDROutPacketDestroy (&call); 2050 return B_ERROR; 2051 } 2052 2053 status=XDRInPacketGetInt32(&reply); 2054 2055 if (status!=NFS_OK) 2056 { 2057 XDROutPacketDestroy (&call); 2058 return map_nfs_to_system_error(status); 2059 } 2060 2061 XDRInPacketGetFixed(&reply,fhandle.opaque,NFS_FHSIZE); 2062 2063 get_nfs_attr (&reply,&st); 2064 2065 newNode=(fs_node *)malloc(sizeof(fs_node)); 2066 newNode->fhandle=fhandle; 2067 newNode->vnid=st.st_ino; 2068 2069 *_newVnodeID = newNode->vnid; 2070 2071 insert_node (ns,newNode); 2072 2073 XDRInPacketDestroy (&reply); 2074 XDROutPacketDestroy (&call); 2075 2076 return notify_entry_created( _volume->id, dir->vnid, name, st.st_ino ); 2077 } 2078 2079 static status_t 2080 fs_rename(fs_volume *_volume, fs_vnode *_olddir, const char *oldname, 2081 fs_vnode *_newdir, const char *newname) 2082 { 2083 struct stat st; 2084 nfs_fhandle fhandle; 2085 status_t result; 2086 struct XDROutPacket call; 2087 struct XDRInPacket reply; 2088 int32 status; 2089 uint8 *replyBuf; 2090 fs_nspace *ns; 2091 fs_node *olddir; 2092 fs_node *newdir; 2093 2094 ns = _volume->private_volume; 2095 olddir = _olddir->private_node; 2096 newdir = _newdir->private_node; 2097 2098 XDROutPacketInit (&call); 2099 XDRInPacketInit (&reply); 2100 2101 if ((result=nfs_lookup(ns,&newdir->fhandle,newname,&fhandle,&st))==B_OK) 2102 { 2103 if (S_ISREG(st.st_mode)) 2104 result=fs_unlink (_volume,_newdir,newname); 2105 else 2106 result=fs_rmdir (_volume,_newdir,newname); 2107 2108 if (result<B_OK) 2109 { 2110 XDRInPacketDestroy (&reply); 2111 XDROutPacketDestroy (&call); 2112 return result; 2113 } 2114 } 2115 2116 if ((result=nfs_lookup(ns,&olddir->fhandle,oldname,&fhandle,&st))<B_OK) 2117 { 2118 XDRInPacketDestroy (&reply); 2119 XDROutPacketDestroy (&call); 2120 return result; 2121 } 2122 2123 XDROutPacketAddFixed (&call,olddir->fhandle.opaque,NFS_FHSIZE); 2124 XDROutPacketAddString(&call,oldname); 2125 XDROutPacketAddFixed (&call,newdir->fhandle.opaque,NFS_FHSIZE); 2126 XDROutPacketAddString(&call,newname); 2127 2128 replyBuf=send_rpc_call (ns,&ns->nfsAddr,NFS_PROGRAM,NFS_VERSION,NFSPROC_RENAME,&call); 2129 2130 if (!replyBuf) 2131 { 2132 XDRInPacketDestroy (&reply); 2133 XDROutPacketDestroy (&call); 2134 return EHOSTUNREACH; 2135 } 2136 2137 XDRInPacketSetTo (&reply,replyBuf,0); 2138 2139 if (!is_successful_reply(&reply)) 2140 { 2141 XDRInPacketDestroy (&reply); 2142 XDROutPacketDestroy (&call); 2143 return B_ERROR; 2144 } 2145 2146 status=XDRInPacketGetInt32(&reply); 2147 2148 if (status!=NFS_OK) 2149 { 2150 XDRInPacketDestroy (&reply); 2151 XDROutPacketDestroy (&call); 2152 return map_nfs_to_system_error(status); 2153 } 2154 2155 XDRInPacketDestroy (&reply); 2156 XDROutPacketDestroy (&call); 2157 2158 return notify_entry_moved (_volume->id, olddir->vnid, oldname, newdir->vnid, newname, st.st_ino); 2159 } 2160 2161 2162 static status_t 2163 fs_rmdir(fs_volume *_volume, fs_vnode *_dir, const char *name) 2164 { 2165 fs_nspace *ns; 2166 fs_node *dir; 2167 2168 status_t result; 2169 fs_node *newNode; 2170 fs_node *dummy; 2171 struct XDROutPacket call; 2172 struct XDRInPacket reply; 2173 int32 status; 2174 uint8 *replyBuf; 2175 2176 struct stat st; 2177 nfs_fhandle fhandle; 2178 2179 ns = _volume->private_volume; 2180 dir = _dir->private_node; 2181 2182 XDROutPacketInit(&call); 2183 XDRInPacketInit(&reply); 2184 2185 if ((result=nfs_lookup(ns,&dir->fhandle,name,&fhandle,&st))<B_OK) 2186 { 2187 XDRInPacketDestroy(&reply); 2188 XDROutPacketDestroy(&call); 2189 return result; 2190 } 2191 2192 newNode=(fs_node *)malloc(sizeof(fs_node)); 2193 newNode->fhandle=fhandle; 2194 newNode->vnid=st.st_ino; 2195 2196 insert_node (ns,newNode); 2197 2198 if ((result=get_vnode(_volume,st.st_ino,(void **)&dummy))<B_OK) 2199 { 2200 XDRInPacketDestroy(&reply); 2201 XDROutPacketDestroy(&call); 2202 return result; 2203 } 2204 2205 if (!S_ISDIR(st.st_mode)) 2206 { 2207 XDRInPacketDestroy(&reply); 2208 XDROutPacketDestroy(&call); 2209 return ENOTDIR; 2210 } 2211 2212 if ((result=remove_vnode(_volume,st.st_ino))<B_OK) 2213 { 2214 XDRInPacketDestroy(&reply); 2215 XDROutPacketDestroy(&call); 2216 return result; 2217 } 2218 2219 if ((result=put_vnode(_volume,st.st_ino))<B_OK) 2220 { 2221 XDRInPacketDestroy(&reply); 2222 XDROutPacketDestroy(&call); 2223 return result; 2224 } 2225 2226 XDROutPacketAddFixed (&call,dir->fhandle.opaque,NFS_FHSIZE); 2227 XDROutPacketAddString(&call,name); 2228 2229 replyBuf=send_rpc_call (ns,&ns->nfsAddr,NFS_PROGRAM,NFS_VERSION,NFSPROC_RMDIR,&call); 2230 2231 if (!replyBuf) 2232 { 2233 XDRInPacketDestroy(&reply); 2234 XDROutPacketDestroy(&call); 2235 return EHOSTUNREACH; 2236 } 2237 2238 XDRInPacketSetTo (&reply,replyBuf,0); 2239 2240 if (!is_successful_reply(&reply)) 2241 { 2242 XDRInPacketDestroy(&reply); 2243 XDROutPacketDestroy(&call); 2244 return B_ERROR; 2245 } 2246 2247 status=XDRInPacketGetInt32(&reply); 2248 2249 if (status!=NFS_OK) 2250 { 2251 XDRInPacketDestroy(&reply); 2252 XDROutPacketDestroy(&call); 2253 return map_nfs_to_system_error(status); 2254 } 2255 2256 XDRInPacketDestroy(&reply); 2257 XDROutPacketDestroy(&call); 2258 return notify_entry_removed (_volume->id, dir->vnid, name, st.st_ino); 2259 } 2260 2261 static status_t 2262 fs_readlink(fs_volume *_volume, fs_vnode *_node, char *buf, size_t *bufsize) 2263 { 2264 struct XDROutPacket call; 2265 uint8 *replyBuf; 2266 int32 status; 2267 size_t length; 2268 char data[NFS_MAXPATHLEN]; 2269 struct XDRInPacket reply; 2270 fs_nspace *ns; 2271 fs_node *node; 2272 2273 ns = _volume->private_volume; 2274 node = _node->private_node; 2275 2276 XDROutPacketInit (&call); 2277 XDRInPacketInit(&reply); 2278 2279 XDROutPacketAddFixed (&call,node->fhandle.opaque,NFS_FHSIZE); 2280 2281 replyBuf=send_rpc_call (ns,&ns->nfsAddr,NFS_PROGRAM,NFS_VERSION,NFSPROC_READLINK,&call); 2282 2283 if (!replyBuf) 2284 { 2285 XDRInPacketDestroy(&reply); 2286 XDROutPacketDestroy (&call); 2287 return EHOSTUNREACH; 2288 } 2289 2290 XDRInPacketSetTo (&reply,replyBuf,0); 2291 2292 if (!is_successful_reply(&reply)) 2293 { 2294 XDRInPacketDestroy(&reply); 2295 XDROutPacketDestroy (&call); 2296 return B_ERROR; 2297 } 2298 2299 status=XDRInPacketGetInt32(&reply); 2300 2301 if (status!=NFS_OK) 2302 { 2303 XDRInPacketDestroy(&reply); 2304 XDROutPacketDestroy (&call); 2305 return map_nfs_to_system_error(status); 2306 } 2307 2308 length=XDRInPacketGetDynamic(&reply,data); 2309 2310 length=min_c(length,*bufsize); 2311 memcpy (buf,data,length); 2312 *bufsize=length; 2313 2314 XDRInPacketDestroy(&reply); 2315 XDROutPacketDestroy (&call); 2316 return B_OK; 2317 } 2318 2319 static status_t 2320 fs_symlink(fs_volume *_volume, fs_vnode *_dir, const char *name, const char *path, int mode) 2321 { 2322 fs_nspace *ns; 2323 fs_node *dir; 2324 nfs_fhandle fhandle; 2325 struct stat st; 2326 struct XDROutPacket call; 2327 struct XDRInPacket reply; 2328 status_t result; 2329 uint8 *replyBuf; 2330 int32 status; 2331 fs_node *newNode; 2332 2333 ns = _volume->private_volume; 2334 dir = _dir->private_node; 2335 2336 XDROutPacketInit (&call); 2337 XDRInPacketInit (&reply); 2338 2339 result=nfs_lookup(ns,&dir->fhandle,name,&fhandle,&st); 2340 2341 if (result==B_OK) 2342 { 2343 void *dummy; 2344 if ((result=get_vnode(_volume,st.st_ino,&dummy))<B_OK) 2345 return result; 2346 2347 XDRInPacketDestroy (&reply); 2348 XDROutPacketDestroy (&call); 2349 return EEXIST; 2350 } 2351 else if (result!=ENOENT) 2352 { 2353 XDRInPacketDestroy (&reply); 2354 XDROutPacketDestroy (&call); 2355 return result; 2356 } 2357 2358 XDROutPacketAddFixed (&call,dir->fhandle.opaque,NFS_FHSIZE); 2359 XDROutPacketAddString(&call,name); 2360 XDROutPacketAddString(&call,path); 2361 XDROutPacketAddInt32 (&call,S_IFLNK); 2362 XDROutPacketAddInt32 (&call,-1); 2363 XDROutPacketAddInt32 (&call,-1); 2364 XDROutPacketAddInt32 (&call,-1); 2365 XDROutPacketAddInt32 (&call,time(NULL)); 2366 XDROutPacketAddInt32 (&call,0); 2367 XDROutPacketAddInt32 (&call,time(NULL)); 2368 XDROutPacketAddInt32 (&call,0); 2369 2370 replyBuf=send_rpc_call (ns,&ns->nfsAddr,NFS_PROGRAM,NFS_VERSION,NFSPROC_SYMLINK,&call); 2371 2372 if (!replyBuf) 2373 { 2374 XDRInPacketDestroy (&reply); 2375 XDROutPacketDestroy (&call); 2376 return B_ERROR; 2377 } 2378 2379 XDRInPacketSetTo (&reply,replyBuf,0); 2380 2381 if (!is_successful_reply(&reply)) 2382 { 2383 XDRInPacketDestroy (&reply); 2384 XDROutPacketDestroy (&call); 2385 return B_ERROR; 2386 } 2387 2388 status=XDRInPacketGetInt32(&reply); 2389 2390 /* if (status!=NFS_OK) 2391 return map_nfs_to_system_error(status); 2392 2393 ignore status here, weird thing, nfsservers that is 2394 */ 2395 2396 result=nfs_lookup(ns,&dir->fhandle,name,&fhandle,&st); 2397 2398 if (result<B_OK) 2399 { 2400 XDRInPacketDestroy (&reply); 2401 XDROutPacketDestroy (&call); 2402 return result; 2403 } 2404 2405 newNode=(fs_node *)malloc(sizeof(fs_node)); 2406 newNode->fhandle=fhandle; 2407 newNode->vnid=st.st_ino; 2408 2409 insert_node (ns,newNode); 2410 2411 result = notify_entry_created (_volume->id, dir->vnid, name, st.st_ino); 2412 2413 XDRInPacketDestroy (&reply); 2414 XDROutPacketDestroy (&call); 2415 return result; 2416 } 2417 2418 2419 static status_t 2420 fs_access(fs_volume *_volume, fs_vnode *node, int mode) 2421 { 2422 (void) _volume; 2423 (void) node; 2424 (void) mode; 2425 /* XXX */ 2426 return B_OK; 2427 } 2428 2429 2430 static status_t 2431 nfs_std_ops(int32 op, ...) 2432 { 2433 switch (op) { 2434 case B_MODULE_INIT: 2435 return B_OK; 2436 case B_MODULE_UNINIT: 2437 return B_OK; 2438 2439 default: 2440 return B_ERROR; 2441 } 2442 } 2443 2444 fs_volume_ops sNFSVolumeOps = { 2445 &fs_unmount, 2446 &fs_rfsstat, 2447 &fs_wfsstat, 2448 NULL, // no sync! 2449 &fs_read_vnode, 2450 2451 /* index directory & index operations */ 2452 NULL, // &fs_open_index_dir 2453 NULL, // &fs_close_index_dir 2454 NULL, // &fs_free_index_dir_cookie 2455 NULL, // &fs_read_index_dir 2456 NULL, // &fs_rewind_index_dir 2457 2458 NULL, // &fs_create_index 2459 NULL, // &fs_remove_index 2460 NULL, // &fs_stat_index 2461 2462 /* query operations */ 2463 NULL, // &fs_open_query, 2464 NULL, // &fs_close_query, 2465 NULL, // &fs_free_query_cookie, 2466 NULL, // &fs_read_query, 2467 NULL, // &fs_rewind_query, 2468 }; 2469 2470 fs_vnode_ops sNFSVnodeOps = { 2471 /* vnode operations */ 2472 &fs_walk, 2473 NULL, // fs_get_vnode_name 2474 &fs_release_vnode, 2475 &fs_remove_vnode, 2476 2477 /* VM file access */ 2478 NULL, // &fs_can_page 2479 NULL, // &fs_read_pages 2480 NULL, // &fs_write_pages 2481 2482 NULL, // &fs_get_file_map, 2483 2484 NULL, // &fs_ioctl 2485 NULL, // &fs_setflags, 2486 NULL, // &fs_select 2487 NULL, // &fs_deselect 2488 NULL, // &fs_fsync 2489 2490 &fs_readlink, 2491 &fs_symlink, 2492 2493 NULL, // &fs_link, 2494 &fs_unlink, 2495 &fs_rename, 2496 2497 &fs_access, 2498 &fs_rstat, 2499 &fs_wstat, 2500 2501 /* file operations */ 2502 &fs_create, 2503 &fs_open, 2504 &fs_close, 2505 &fs_free_cookie, 2506 &fs_read, 2507 &fs_write, 2508 2509 /* directory operations */ 2510 &fs_mkdir, 2511 &fs_rmdir, 2512 &fs_opendir, 2513 &fs_closedir, 2514 &fs_free_dircookie, 2515 &fs_readdir, 2516 &fs_rewinddir, 2517 2518 /* attribute directory operations */ 2519 NULL, // &fs_open_attrdir, 2520 NULL, // &fs_close_attrdir, 2521 NULL, // &fs_free_attrdircookie, 2522 NULL, // &fs_read_attrdir, 2523 NULL, // &fs_rewind_attrdir, 2524 2525 /* attribute operations */ 2526 NULL, // &fs_create_attr 2527 NULL, // &fs_open_attr_h, 2528 NULL, // &fs_close_attr_h, 2529 NULL, // &fs_free_attr_cookie_h, 2530 NULL, // &fs_read_attr_h, 2531 NULL, // &fs_write_attr_h, 2532 2533 NULL, // &fs_read_attr_stat_h, 2534 NULL, // &fs_write_attr_stat 2535 NULL, // &fs_rename_attr 2536 NULL, // &fs_remove_attr 2537 }; 2538 2539 file_system_module_info sNFSFileSystem = { 2540 { 2541 "file_systems/nfs" B_CURRENT_FS_API_VERSION, 2542 0, 2543 nfs_std_ops, 2544 }, 2545 "Network File System v2", 2546 0, // DDM flags 2547 2548 // scanning 2549 NULL, // fs_identify_partition, 2550 NULL, // fs_scan_partition, 2551 NULL, // fs_free_identify_partition_cookie, 2552 NULL, // free_partition_content_cookie() 2553 2554 &fs_mount, 2555 }; 2556 2557 module_info *modules[] = { 2558 (module_info *)&sNFSFileSystem, 2559 NULL, 2560 }; 2561 2562