1 /*- 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Rick Macklem at The University of Guelph. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its 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 REGENTS 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 REGENTS 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 */ 33 34 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 /* 38 * Functions that need to be different for different versions of BSD 39 * kernel should be kept here, along with any global storage specific 40 * to this BSD variant. 41 */ 42 #include <fs/nfs/nfsport.h> 43 #include <sys/sysctl.h> 44 #include <vm/vm.h> 45 #include <vm/vm_object.h> 46 #include <vm/vm_page.h> 47 #include <vm/vm_param.h> 48 #include <vm/vm_map.h> 49 #include <vm/vm_kern.h> 50 #include <vm/vm_extern.h> 51 #include <vm/uma.h> 52 53 extern int nfscl_ticks; 54 extern int nfsrv_nfsuserd; 55 extern struct nfssockreq nfsrv_nfsuserdsock; 56 extern void (*nfsd_call_recall)(struct vnode *, int, struct ucred *, 57 struct thread *); 58 extern int nfsrv_useacl; 59 struct mount nfsv4root_mnt; 60 int newnfs_numnfsd = 0; 61 struct nfsstats newnfsstats; 62 int nfs_numnfscbd = 0; 63 char nfsv4_callbackaddr[INET6_ADDRSTRLEN]; 64 struct callout newnfsd_callout; 65 void (*nfsd_call_servertimer)(void) = NULL; 66 void (*ncl_call_invalcaches)(struct vnode *) = NULL; 67 68 static int nfs_realign_test; 69 static int nfs_realign_count; 70 71 SYSCTL_NODE(_vfs, OID_AUTO, nfs, CTLFLAG_RW, 0, "New NFS filesystem"); 72 SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_test, CTLFLAG_RW, &nfs_realign_test, 73 0, "Number of realign tests done"); 74 SYSCTL_INT(_vfs_nfs, OID_AUTO, realign_count, CTLFLAG_RW, &nfs_realign_count, 75 0, "Number of mbuf realignments done"); 76 SYSCTL_STRING(_vfs_nfs, OID_AUTO, callback_addr, CTLFLAG_RW, 77 nfsv4_callbackaddr, sizeof(nfsv4_callbackaddr), 78 "NFSv4 callback addr for server to use"); 79 80 /* 81 * Defines for malloc 82 * (Here for FreeBSD, since they allocate storage.) 83 */ 84 MALLOC_DEFINE(M_NEWNFSRVCACHE, "NFSD srvcache", "NFSD Server Request Cache"); 85 MALLOC_DEFINE(M_NEWNFSDCLIENT, "NFSD V4client", "NFSD V4 Client Id"); 86 MALLOC_DEFINE(M_NEWNFSDSTATE, "NFSD V4state", 87 "NFSD V4 State (Openowner, Open, Lockowner, Delegation"); 88 MALLOC_DEFINE(M_NEWNFSDLOCK, "NFSD V4lock", "NFSD V4 byte range lock"); 89 MALLOC_DEFINE(M_NEWNFSDLOCKFILE, "NFSD lckfile", "NFSD Open/Lock file"); 90 MALLOC_DEFINE(M_NEWNFSSTRING, "NFSD string", "NFSD V4 long string"); 91 MALLOC_DEFINE(M_NEWNFSUSERGROUP, "NFSD usrgroup", "NFSD V4 User/group map"); 92 MALLOC_DEFINE(M_NEWNFSDREQ, "NFS req", "NFS request header"); 93 MALLOC_DEFINE(M_NEWNFSFH, "NFS fh", "NFS file handle"); 94 MALLOC_DEFINE(M_NEWNFSCLOWNER, "NFSCL owner", "NFSCL Open Owner"); 95 MALLOC_DEFINE(M_NEWNFSCLOPEN, "NFSCL open", "NFSCL Open"); 96 MALLOC_DEFINE(M_NEWNFSCLDELEG, "NFSCL deleg", "NFSCL Delegation"); 97 MALLOC_DEFINE(M_NEWNFSCLCLIENT, "NFSCL client", "NFSCL Client"); 98 MALLOC_DEFINE(M_NEWNFSCLLOCKOWNER, "NFSCL lckown", "NFSCL Lock Owner"); 99 MALLOC_DEFINE(M_NEWNFSCLLOCK, "NFSCL lck", "NFSCL Lock"); 100 MALLOC_DEFINE(M_NEWNFSV4NODE, "NEWNFSnode", "New nfs vnode"); 101 MALLOC_DEFINE(M_NEWNFSDIRECTIO, "NEWdirectio", "New nfs Direct IO buffer"); 102 MALLOC_DEFINE(M_NEWNFSDIROFF, "NFSCL diroffdiroff", 103 "New NFS directory offset data"); 104 MALLOC_DEFINE(M_NEWNFSDROLLBACK, "NFSD rollback", 105 "New NFS local lock rollback"); 106 107 /* 108 * Definition of mutex locks. 109 * newnfsd_mtx is used in nfsrvd_nfsd() to protect the nfs socket list 110 * and assorted other nfsd structures. 111 */ 112 struct mtx newnfsd_mtx; 113 struct mtx nfs_sockl_mutex; 114 struct mtx nfs_state_mutex; 115 struct mtx nfs_nameid_mutex; 116 struct mtx nfs_req_mutex; 117 struct mtx nfs_slock_mutex; 118 119 /* local functions */ 120 static int nfssvc_call(struct thread *, struct nfssvc_args *, struct ucred *); 121 122 #ifdef __NO_STRICT_ALIGNMENT 123 /* 124 * These architectures don't need re-alignment, so just return. 125 */ 126 void 127 newnfs_realign(struct mbuf **pm) 128 { 129 130 return; 131 } 132 #else /* !__NO_STRICT_ALIGNMENT */ 133 /* 134 * newnfs_realign: 135 * 136 * Check for badly aligned mbuf data and realign by copying the unaligned 137 * portion of the data into a new mbuf chain and freeing the portions 138 * of the old chain that were replaced. 139 * 140 * We cannot simply realign the data within the existing mbuf chain 141 * because the underlying buffers may contain other rpc commands and 142 * we cannot afford to overwrite them. 143 * 144 * We would prefer to avoid this situation entirely. The situation does 145 * not occur with NFS/UDP and is supposed to only occassionally occur 146 * with TCP. Use vfs.nfs.realign_count and realign_test to check this. 147 * 148 */ 149 void 150 newnfs_realign(struct mbuf **pm) 151 { 152 struct mbuf *m, *n; 153 int off, space; 154 155 ++nfs_realign_test; 156 while ((m = *pm) != NULL) { 157 if ((m->m_len & 0x3) || (mtod(m, intptr_t) & 0x3)) { 158 /* 159 * NB: we can't depend on m_pkthdr.len to help us 160 * decide what to do here. May not be worth doing 161 * the m_length calculation as m_copyback will 162 * expand the mbuf chain below as needed. 163 */ 164 space = m_length(m, NULL); 165 if (space >= MINCLSIZE) { 166 /* NB: m_copyback handles space > MCLBYTES */ 167 n = m_getcl(M_WAITOK, MT_DATA, 0); 168 } else 169 n = m_get(M_WAITOK, MT_DATA); 170 if (n == NULL) 171 return; 172 /* 173 * Align the remainder of the mbuf chain. 174 */ 175 n->m_len = 0; 176 off = 0; 177 while (m != NULL) { 178 m_copyback(n, off, m->m_len, mtod(m, caddr_t)); 179 off += m->m_len; 180 m = m->m_next; 181 } 182 m_freem(*pm); 183 *pm = n; 184 ++nfs_realign_count; 185 break; 186 } 187 pm = &m->m_next; 188 } 189 } 190 #endif /* __NO_STRICT_ALIGNMENT */ 191 192 #ifdef notdef 193 static void 194 nfsrv_object_create(struct vnode *vp, struct thread *td) 195 { 196 197 if (vp == NULL || vp->v_type != VREG) 198 return; 199 (void) vfs_object_create(vp, td, td->td_ucred); 200 } 201 #endif 202 203 /* 204 * Look up a file name. Basically just initialize stuff and call namei(). 205 */ 206 int 207 nfsrv_lookupfilename(struct nameidata *ndp, char *fname, NFSPROC_T *p) 208 { 209 int error; 210 211 NDINIT(ndp, LOOKUP, FOLLOW | LOCKLEAF | MPSAFE, UIO_USERSPACE, fname, 212 p); 213 error = namei(ndp); 214 if (!error) { 215 NDFREE(ndp, NDF_ONLY_PNBUF); 216 } 217 return (error); 218 } 219 220 /* 221 * Copy NFS uid, gids to the cred structure. 222 */ 223 void 224 newnfs_copycred(struct nfscred *nfscr, struct ucred *cr) 225 { 226 227 KASSERT(nfscr->nfsc_ngroups >= 0, 228 ("newnfs_copycred: negative nfsc_ngroups")); 229 cr->cr_uid = nfscr->nfsc_uid; 230 crsetgroups(cr, nfscr->nfsc_ngroups, nfscr->nfsc_groups); 231 } 232 233 /* 234 * Map args from nfsmsleep() to msleep(). 235 */ 236 int 237 nfsmsleep(void *chan, void *mutex, int prio, const char *wmesg, 238 struct timespec *ts) 239 { 240 u_int64_t nsecval; 241 int error, timeo; 242 243 if (ts) { 244 timeo = hz * ts->tv_sec; 245 nsecval = (u_int64_t)ts->tv_nsec; 246 nsecval = ((nsecval * ((u_int64_t)hz)) + 500000000) / 247 1000000000; 248 timeo += (int)nsecval; 249 } else { 250 timeo = 0; 251 } 252 error = msleep(chan, (struct mtx *)mutex, prio, wmesg, timeo); 253 return (error); 254 } 255 256 /* 257 * Get the file system info for the server. For now, just assume FFS. 258 */ 259 void 260 nfsvno_getfs(struct nfsfsinfo *sip, int isdgram) 261 { 262 int pref; 263 264 /* 265 * XXX 266 * There should be file system VFS OP(s) to get this information. 267 * For now, assume ufs. 268 */ 269 if (isdgram) 270 pref = NFS_MAXDGRAMDATA; 271 else 272 pref = NFS_MAXDATA; 273 sip->fs_rtmax = NFS_MAXDATA; 274 sip->fs_rtpref = pref; 275 sip->fs_rtmult = NFS_FABLKSIZE; 276 sip->fs_wtmax = NFS_MAXDATA; 277 sip->fs_wtpref = pref; 278 sip->fs_wtmult = NFS_FABLKSIZE; 279 sip->fs_dtpref = pref; 280 sip->fs_maxfilesize = 0xffffffffffffffffull; 281 sip->fs_timedelta.tv_sec = 0; 282 sip->fs_timedelta.tv_nsec = 1; 283 sip->fs_properties = (NFSV3FSINFO_LINK | 284 NFSV3FSINFO_SYMLINK | NFSV3FSINFO_HOMOGENEOUS | 285 NFSV3FSINFO_CANSETTIME); 286 } 287 288 /* 289 * Do the pathconf vnode op. 290 */ 291 int 292 nfsvno_pathconf(struct vnode *vp, int flag, register_t *retf, 293 struct ucred *cred, struct thread *p) 294 { 295 int error; 296 297 error = VOP_PATHCONF(vp, flag, retf); 298 if (error == EOPNOTSUPP || error == EINVAL) { 299 /* 300 * Some file systems return EINVAL for name arguments not 301 * supported and some return EOPNOTSUPP for this case. 302 * So the NFSv3 Pathconf RPC doesn't fail for these cases, 303 * just fake them. 304 */ 305 switch (flag) { 306 case _PC_LINK_MAX: 307 *retf = LINK_MAX; 308 break; 309 case _PC_NAME_MAX: 310 *retf = NAME_MAX; 311 break; 312 case _PC_CHOWN_RESTRICTED: 313 *retf = 1; 314 break; 315 case _PC_NO_TRUNC: 316 *retf = 1; 317 break; 318 default: 319 /* 320 * Only happens if a _PC_xxx is added to the server, 321 * but this isn't updated. 322 */ 323 *retf = 0; 324 printf("nfsrvd pathconf flag=%d not supp\n", flag); 325 }; 326 error = 0; 327 } 328 NFSEXITCODE(error); 329 return (error); 330 } 331 332 /* Fake nfsrv_atroot. Just return 0 */ 333 int 334 nfsrv_atroot(struct vnode *vp, long *retp) 335 { 336 337 return (0); 338 } 339 340 /* 341 * Set the credentials to refer to root. 342 * If only the various BSDen could agree on whether cr_gid is a separate 343 * field or cr_groups[0]... 344 */ 345 void 346 newnfs_setroot(struct ucred *cred) 347 { 348 349 cred->cr_uid = 0; 350 cred->cr_groups[0] = 0; 351 cred->cr_ngroups = 1; 352 } 353 354 /* 355 * Get the client credential. Used for Renew and recovery. 356 */ 357 struct ucred * 358 newnfs_getcred(void) 359 { 360 struct ucred *cred; 361 struct thread *td = curthread; 362 363 cred = crdup(td->td_ucred); 364 newnfs_setroot(cred); 365 return (cred); 366 } 367 368 /* 369 * Nfs timer routine 370 * Call the nfsd's timer function once/sec. 371 */ 372 void 373 newnfs_timer(void *arg) 374 { 375 static time_t lasttime = 0; 376 /* 377 * Call the server timer, if set up. 378 * The argument indicates if it is the next second and therefore 379 * leases should be checked. 380 */ 381 if (lasttime != NFSD_MONOSEC) { 382 lasttime = NFSD_MONOSEC; 383 if (nfsd_call_servertimer != NULL) 384 (*nfsd_call_servertimer)(); 385 } 386 callout_reset(&newnfsd_callout, nfscl_ticks, newnfs_timer, NULL); 387 } 388 389 390 /* 391 * Sleep for a short period of time unless errval == NFSERR_GRACE, where 392 * the sleep should be for 5 seconds. 393 * Since lbolt doesn't exist in FreeBSD-CURRENT, just use a timeout on 394 * an event that never gets a wakeup. Only return EINTR or 0. 395 */ 396 int 397 nfs_catnap(int prio, int errval, const char *wmesg) 398 { 399 static int non_event; 400 int ret; 401 402 if (errval == NFSERR_GRACE) 403 ret = tsleep(&non_event, prio, wmesg, 5 * hz); 404 else 405 ret = tsleep(&non_event, prio, wmesg, 1); 406 if (ret != EINTR) 407 ret = 0; 408 return (ret); 409 } 410 411 /* 412 * Get referral. For now, just fail. 413 */ 414 struct nfsreferral * 415 nfsv4root_getreferral(struct vnode *vp, struct vnode *dvp, u_int32_t fileno) 416 { 417 418 return (NULL); 419 } 420 421 static int 422 nfssvc_nfscommon(struct thread *td, struct nfssvc_args *uap) 423 { 424 int error; 425 426 error = nfssvc_call(td, uap, td->td_ucred); 427 NFSEXITCODE(error); 428 return (error); 429 } 430 431 static int 432 nfssvc_call(struct thread *p, struct nfssvc_args *uap, struct ucred *cred) 433 { 434 int error = EINVAL; 435 struct nfsd_idargs nid; 436 437 if (uap->flag & NFSSVC_IDNAME) { 438 error = copyin(uap->argp, (caddr_t)&nid, sizeof (nid)); 439 if (error) 440 goto out; 441 error = nfssvc_idname(&nid); 442 goto out; 443 } else if (uap->flag & NFSSVC_GETSTATS) { 444 error = copyout(&newnfsstats, 445 CAST_USER_ADDR_T(uap->argp), sizeof (newnfsstats)); 446 if (error == 0) { 447 if ((uap->flag & NFSSVC_ZEROCLTSTATS) != 0) { 448 newnfsstats.attrcache_hits = 0; 449 newnfsstats.attrcache_misses = 0; 450 newnfsstats.lookupcache_hits = 0; 451 newnfsstats.lookupcache_misses = 0; 452 newnfsstats.direofcache_hits = 0; 453 newnfsstats.direofcache_misses = 0; 454 newnfsstats.accesscache_hits = 0; 455 newnfsstats.accesscache_misses = 0; 456 newnfsstats.biocache_reads = 0; 457 newnfsstats.read_bios = 0; 458 newnfsstats.read_physios = 0; 459 newnfsstats.biocache_writes = 0; 460 newnfsstats.write_bios = 0; 461 newnfsstats.write_physios = 0; 462 newnfsstats.biocache_readlinks = 0; 463 newnfsstats.readlink_bios = 0; 464 newnfsstats.biocache_readdirs = 0; 465 newnfsstats.readdir_bios = 0; 466 newnfsstats.rpcretries = 0; 467 newnfsstats.rpcrequests = 0; 468 newnfsstats.rpctimeouts = 0; 469 newnfsstats.rpcunexpected = 0; 470 newnfsstats.rpcinvalid = 0; 471 bzero(newnfsstats.rpccnt, 472 sizeof(newnfsstats.rpccnt)); 473 } 474 if ((uap->flag & NFSSVC_ZEROSRVSTATS) != 0) { 475 newnfsstats.srvrpc_errs = 0; 476 newnfsstats.srv_errs = 0; 477 newnfsstats.srvcache_inproghits = 0; 478 newnfsstats.srvcache_idemdonehits = 0; 479 newnfsstats.srvcache_nonidemdonehits = 0; 480 newnfsstats.srvcache_misses = 0; 481 newnfsstats.srvcache_tcppeak = 0; 482 newnfsstats.srvclients = 0; 483 newnfsstats.srvopenowners = 0; 484 newnfsstats.srvopens = 0; 485 newnfsstats.srvlockowners = 0; 486 newnfsstats.srvlocks = 0; 487 newnfsstats.srvdelegates = 0; 488 newnfsstats.clopenowners = 0; 489 newnfsstats.clopens = 0; 490 newnfsstats.cllockowners = 0; 491 newnfsstats.cllocks = 0; 492 newnfsstats.cldelegates = 0; 493 newnfsstats.cllocalopenowners = 0; 494 newnfsstats.cllocalopens = 0; 495 newnfsstats.cllocallockowners = 0; 496 newnfsstats.cllocallocks = 0; 497 bzero(newnfsstats.srvrpccnt, 498 sizeof(newnfsstats.srvrpccnt)); 499 bzero(newnfsstats.cbrpccnt, 500 sizeof(newnfsstats.cbrpccnt)); 501 } 502 } 503 goto out; 504 } else if (uap->flag & NFSSVC_NFSUSERDPORT) { 505 u_short sockport; 506 507 error = copyin(uap->argp, (caddr_t)&sockport, 508 sizeof (u_short)); 509 if (!error) 510 error = nfsrv_nfsuserdport(sockport, p); 511 } else if (uap->flag & NFSSVC_NFSUSERDDELPORT) { 512 nfsrv_nfsuserddelport(); 513 error = 0; 514 } 515 516 out: 517 NFSEXITCODE(error); 518 return (error); 519 } 520 521 /* 522 * called by all three modevent routines, so that it gets things 523 * initialized soon enough. 524 */ 525 void 526 newnfs_portinit(void) 527 { 528 static int inited = 0; 529 530 if (inited) 531 return; 532 inited = 1; 533 /* Initialize SMP locks used by both client and server. */ 534 mtx_init(&newnfsd_mtx, "newnfsd_mtx", NULL, MTX_DEF); 535 mtx_init(&nfs_state_mutex, "nfs_state_mutex", NULL, MTX_DEF); 536 } 537 538 /* 539 * Determine if the file system supports NFSv4 ACLs. 540 * Return 1 if it does, 0 otherwise. 541 */ 542 int 543 nfs_supportsnfsv4acls(struct vnode *vp) 544 { 545 int error; 546 register_t retval; 547 548 ASSERT_VOP_LOCKED(vp, "nfs supports nfsv4acls"); 549 550 if (nfsrv_useacl == 0) 551 return (0); 552 error = VOP_PATHCONF(vp, _PC_ACL_NFS4, &retval); 553 if (error == 0 && retval != 0) 554 return (1); 555 return (0); 556 } 557 558 extern int (*nfsd_call_nfscommon)(struct thread *, struct nfssvc_args *); 559 560 /* 561 * Called once to initialize data structures... 562 */ 563 static int 564 nfscommon_modevent(module_t mod, int type, void *data) 565 { 566 int error = 0; 567 static int loaded = 0; 568 569 switch (type) { 570 case MOD_LOAD: 571 if (loaded) 572 goto out; 573 newnfs_portinit(); 574 mtx_init(&nfs_nameid_mutex, "nfs_nameid_mutex", NULL, MTX_DEF); 575 mtx_init(&nfs_sockl_mutex, "nfs_sockl_mutex", NULL, MTX_DEF); 576 mtx_init(&nfs_slock_mutex, "nfs_slock_mutex", NULL, MTX_DEF); 577 mtx_init(&nfs_req_mutex, "nfs_req_mutex", NULL, MTX_DEF); 578 mtx_init(&nfsrv_nfsuserdsock.nr_mtx, "nfsuserd", NULL, 579 MTX_DEF); 580 callout_init(&newnfsd_callout, CALLOUT_MPSAFE); 581 newnfs_init(); 582 nfsd_call_nfscommon = nfssvc_nfscommon; 583 loaded = 1; 584 break; 585 586 case MOD_UNLOAD: 587 if (newnfs_numnfsd != 0 || nfsrv_nfsuserd != 0 || 588 nfs_numnfscbd != 0) { 589 error = EBUSY; 590 break; 591 } 592 593 nfsd_call_nfscommon = NULL; 594 callout_drain(&newnfsd_callout); 595 /* and get rid of the mutexes */ 596 mtx_destroy(&nfs_nameid_mutex); 597 mtx_destroy(&newnfsd_mtx); 598 mtx_destroy(&nfs_state_mutex); 599 mtx_destroy(&nfs_sockl_mutex); 600 mtx_destroy(&nfs_slock_mutex); 601 mtx_destroy(&nfs_req_mutex); 602 mtx_destroy(&nfsrv_nfsuserdsock.nr_mtx); 603 loaded = 0; 604 break; 605 default: 606 error = EOPNOTSUPP; 607 break; 608 } 609 610 out: 611 NFSEXITCODE(error); 612 return error; 613 } 614 static moduledata_t nfscommon_mod = { 615 "nfscommon", 616 nfscommon_modevent, 617 NULL, 618 }; 619 DECLARE_MODULE(nfscommon, nfscommon_mod, SI_SUB_VFS, SI_ORDER_ANY); 620 621 /* So that loader and kldload(2) can find us, wherever we are.. */ 622 MODULE_VERSION(nfscommon, 1); 623 MODULE_DEPEND(nfscommon, nfssvc, 1, 1, 1); 624 MODULE_DEPEND(nfscommon, krpc, 1, 1, 1); 625 626