Mercurial > illumos > illumos-gate
annotate usr/src/uts/common/fs/nfs/nfs_server.c @ 8695:115e6d42744b
6773181 panic due to assertion failure from ibmf_saa_impl_hca_detach()
6800017 HCA DR requires RCM script for SDP
6773886 Panic in ibnex_name_child() function
6784821 typo from 'cfgadm configure'
6763923 Calling 'cfgadm -yx update_pkey_tbls' with a invalid ap_id doesn't return error
6751194 rpcib: unable to unconfigure InfiniBand HCA cards
6794326 ibcm:ibcm_hca_detach fails due to transient connections
6794307 ibnex_ioc_list not protected properly
6778827 rpcib: Panic due to invalid mutex reference
| author | Rajkumar Sivaprakasam <Rajkumar.Sivaprakasam@Sun.COM> |
|---|---|
| date | Thu, 05 Feb 2009 10:03:55 -0800 |
| parents | 62c9dba0f531 |
| children | 6f02df7ca581 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * CDDL HEADER START | |
| 3 * | |
| 4 * The contents of this file are subject to the terms of the | |
|
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5 * Common Development and Distribution License (the "License"). |
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6 * You may not use this file except in compliance with the License. |
| 0 | 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 /* | |
|
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22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. |
| 0 | 23 * Use is subject to license terms. |
| 24 */ | |
| 25 | |
| 26 /* | |
| 27 * Copyright (c) 1983,1984,1985,1986,1987,1988,1989 AT&T. | |
| 28 * All rights reserved. | |
| 29 * Use is subject to license terms. | |
| 30 */ | |
| 31 | |
| 32 #include <sys/param.h> | |
| 33 #include <sys/types.h> | |
| 34 #include <sys/systm.h> | |
| 35 #include <sys/cred.h> | |
| 36 #include <sys/proc.h> | |
| 37 #include <sys/user.h> | |
| 38 #include <sys/buf.h> | |
| 39 #include <sys/vfs.h> | |
| 40 #include <sys/vnode.h> | |
| 41 #include <sys/pathname.h> | |
| 42 #include <sys/uio.h> | |
| 43 #include <sys/file.h> | |
| 44 #include <sys/stat.h> | |
| 45 #include <sys/errno.h> | |
| 46 #include <sys/socket.h> | |
| 47 #include <sys/sysmacros.h> | |
| 48 #include <sys/siginfo.h> | |
| 49 #include <sys/tiuser.h> | |
| 50 #include <sys/statvfs.h> | |
| 51 #include <sys/stream.h> | |
| 52 #include <sys/strsubr.h> | |
| 53 #include <sys/stropts.h> | |
| 54 #include <sys/timod.h> | |
| 55 #include <sys/t_kuser.h> | |
| 56 #include <sys/kmem.h> | |
| 57 #include <sys/kstat.h> | |
| 58 #include <sys/dirent.h> | |
| 59 #include <sys/cmn_err.h> | |
| 60 #include <sys/debug.h> | |
| 61 #include <sys/unistd.h> | |
| 62 #include <sys/vtrace.h> | |
| 63 #include <sys/mode.h> | |
| 64 #include <sys/acl.h> | |
| 65 #include <sys/sdt.h> | |
| 66 | |
| 67 #include <rpc/types.h> | |
| 68 #include <rpc/auth.h> | |
| 69 #include <rpc/auth_unix.h> | |
| 70 #include <rpc/auth_des.h> | |
| 71 #include <rpc/svc.h> | |
| 72 #include <rpc/xdr.h> | |
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73 #include <rpc/rpc_rdma.h> |
| 0 | 74 |
| 75 #include <nfs/nfs.h> | |
| 76 #include <nfs/export.h> | |
| 77 #include <nfs/nfssys.h> | |
| 78 #include <nfs/nfs_clnt.h> | |
| 79 #include <nfs/nfs_acl.h> | |
| 80 #include <nfs/nfs_log.h> | |
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81 #include <nfs/nfs_cmd.h> |
| 0 | 82 #include <nfs/lm.h> |
| 74 | 83 #include <nfs/nfs_dispatch.h> |
| 84 #include <nfs/nfs4_drc.h> | |
| 0 | 85 |
| 86 #include <sys/modctl.h> | |
| 87 #include <sys/cladm.h> | |
| 88 #include <sys/clconf.h> | |
| 89 | |
| 90 #define MAXHOST 32 | |
| 91 const char *kinet_ntop6(uchar_t *, char *, size_t); | |
| 92 | |
| 93 /* | |
| 94 * Module linkage information. | |
| 95 */ | |
| 96 | |
| 97 static struct modlmisc modlmisc = { | |
| 98 &mod_miscops, "NFS server module" | |
| 99 }; | |
| 100 | |
| 101 static struct modlinkage modlinkage = { | |
| 102 MODREV_1, (void *)&modlmisc, NULL | |
| 103 }; | |
| 104 | |
| 105 char _depends_on[] = "misc/klmmod"; | |
| 106 | |
| 107 int | |
| 108 _init(void) | |
| 109 { | |
| 110 int status; | |
| 111 | |
| 112 if ((status = nfs_srvinit()) != 0) { | |
| 113 cmn_err(CE_WARN, "_init: nfs_srvinit failed"); | |
| 114 return (status); | |
| 115 } | |
| 116 | |
| 117 status = mod_install((struct modlinkage *)&modlinkage); | |
| 118 if (status != 0) { | |
| 119 /* | |
| 120 * Could not load module, cleanup previous | |
| 121 * initialization work. | |
| 122 */ | |
| 123 nfs_srvfini(); | |
| 124 } | |
| 125 | |
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126 /* |
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127 * Initialise some placeholders for nfssys() calls. These have |
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128 * to be declared by the nfs module, since that handles nfssys() |
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129 * calls - also used by NFS clients - but are provided by this |
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130 * nfssrv module. These also then serve as confirmation to the |
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131 * relevant code in nfs that nfssrv has been loaded, as they're |
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132 * initially NULL. |
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133 */ |
| 0 | 134 nfs_srv_quiesce_func = nfs_srv_quiesce_all; |
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135 nfs_srv_dss_func = rfs4_dss_setpaths; |
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136 |
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137 /* setup DSS paths here; must be done before initial server startup */ |
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138 rfs4_dss_paths = rfs4_dss_oldpaths = NULL; |
| 0 | 139 |
| 140 return (status); | |
| 141 } | |
| 142 | |
| 143 int | |
| 144 _fini() | |
| 145 { | |
| 146 return (EBUSY); | |
| 147 } | |
| 148 | |
| 149 int | |
| 150 _info(struct modinfo *modinfop) | |
| 151 { | |
| 152 return (mod_info(&modlinkage, modinfop)); | |
| 153 } | |
| 154 | |
| 155 /* | |
| 156 * PUBLICFH_CHECK() checks if the dispatch routine supports | |
| 157 * RPC_PUBLICFH_OK, if the filesystem is exported public, and if the | |
| 158 * incoming request is using the public filehandle. The check duplicates | |
| 159 * the exportmatch() call done in checkexport(), and we should consider | |
| 160 * modifying those routines to avoid the duplication. For now, we optimize | |
| 161 * by calling exportmatch() only after checking that the dispatch routine | |
| 162 * supports RPC_PUBLICFH_OK, and if the filesystem is explicitly exported | |
| 163 * public (i.e., not the placeholder). | |
| 164 */ | |
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165 #define PUBLICFH_CHECK(disp, exi, fsid, xfid) \ |
| 0 | 166 ((disp->dis_flags & RPC_PUBLICFH_OK) && \ |
| 167 ((exi->exi_export.ex_flags & EX_PUBLIC) || \ | |
| 168 (exi == exi_public && exportmatch(exi_root, \ | |
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169 fsid, xfid)))) |
| 0 | 170 |
| 171 static void nfs_srv_shutdown_all(int); | |
| 172 static void rfs4_server_start(int); | |
| 173 static void nullfree(void); | |
| 174 static void rfs_dispatch(struct svc_req *, SVCXPRT *); | |
| 175 static void acl_dispatch(struct svc_req *, SVCXPRT *); | |
| 176 static void common_dispatch(struct svc_req *, SVCXPRT *, | |
| 177 rpcvers_t, rpcvers_t, char *, | |
| 178 struct rpc_disptable *); | |
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179 static void hanfsv4_failover(void); |
| 0 | 180 static int checkauth(struct exportinfo *, struct svc_req *, cred_t *, int, |
| 181 bool_t); | |
| 182 static char *client_name(struct svc_req *req); | |
| 183 static char *client_addr(struct svc_req *req, char *buf); | |
| 184 extern int sec_svc_getcred(struct svc_req *, cred_t *cr, char **, int *); | |
| 185 extern bool_t sec_svc_inrootlist(int, caddr_t, int, caddr_t *); | |
| 186 | |
| 187 #define NFSLOG_COPY_NETBUF(exi, xprt, nb) { \ | |
| 188 (nb)->maxlen = (xprt)->xp_rtaddr.maxlen; \ | |
| 189 (nb)->len = (xprt)->xp_rtaddr.len; \ | |
| 190 (nb)->buf = kmem_alloc((nb)->len, KM_SLEEP); \ | |
| 191 bcopy((xprt)->xp_rtaddr.buf, (nb)->buf, (nb)->len); \ | |
| 192 } | |
| 193 | |
| 194 /* | |
| 195 * Public Filehandle common nfs routines | |
| 196 */ | |
| 197 static int MCLpath(char **); | |
| 198 static void URLparse(char *); | |
| 199 | |
| 200 /* | |
| 201 * NFS callout table. | |
| 202 * This table is used by svc_getreq() to dispatch a request with | |
| 203 * a given prog/vers pair to an appropriate service provider | |
| 204 * dispatch routine. | |
| 205 * | |
| 206 * NOTE: ordering is relied upon below when resetting the version min/max | |
| 207 * for NFS_PROGRAM. Careful, if this is ever changed. | |
| 208 */ | |
| 209 static SVC_CALLOUT __nfs_sc_clts[] = { | |
| 210 { NFS_PROGRAM, NFS_VERSMIN, NFS_VERSMAX, rfs_dispatch }, | |
| 211 { NFS_ACL_PROGRAM, NFS_ACL_VERSMIN, NFS_ACL_VERSMAX, acl_dispatch } | |
| 212 }; | |
| 213 | |
| 214 static SVC_CALLOUT_TABLE nfs_sct_clts = { | |
| 215 sizeof (__nfs_sc_clts) / sizeof (__nfs_sc_clts[0]), FALSE, | |
| 216 __nfs_sc_clts | |
| 217 }; | |
| 218 | |
| 219 static SVC_CALLOUT __nfs_sc_cots[] = { | |
| 220 { NFS_PROGRAM, NFS_VERSMIN, NFS_VERSMAX, rfs_dispatch }, | |
| 221 { NFS_ACL_PROGRAM, NFS_ACL_VERSMIN, NFS_ACL_VERSMAX, acl_dispatch } | |
| 222 }; | |
| 223 | |
| 224 static SVC_CALLOUT_TABLE nfs_sct_cots = { | |
| 225 sizeof (__nfs_sc_cots) / sizeof (__nfs_sc_cots[0]), FALSE, __nfs_sc_cots | |
| 226 }; | |
| 227 | |
| 228 static SVC_CALLOUT __nfs_sc_rdma[] = { | |
| 229 { NFS_PROGRAM, NFS_VERSMIN, NFS_VERSMAX, rfs_dispatch }, | |
| 230 { NFS_ACL_PROGRAM, NFS_ACL_VERSMIN, NFS_ACL_VERSMAX, acl_dispatch } | |
| 231 }; | |
| 232 | |
| 233 static SVC_CALLOUT_TABLE nfs_sct_rdma = { | |
| 234 sizeof (__nfs_sc_rdma) / sizeof (__nfs_sc_rdma[0]), FALSE, __nfs_sc_rdma | |
| 235 }; | |
| 236 rpcvers_t nfs_versmin = NFS_VERSMIN_DEFAULT; | |
| 237 rpcvers_t nfs_versmax = NFS_VERSMAX_DEFAULT; | |
| 238 | |
| 239 /* | |
| 240 * Used to track the state of the server so that initialization | |
| 241 * can be done properly. | |
| 242 */ | |
| 243 typedef enum { | |
| 244 NFS_SERVER_STOPPED, /* server state destroyed */ | |
| 245 NFS_SERVER_STOPPING, /* server state being destroyed */ | |
| 246 NFS_SERVER_RUNNING, | |
| 247 NFS_SERVER_QUIESCED, /* server state preserved */ | |
| 248 NFS_SERVER_OFFLINE /* server pool offline */ | |
| 249 } nfs_server_running_t; | |
| 250 | |
| 251 static nfs_server_running_t nfs_server_upordown; | |
| 252 static kmutex_t nfs_server_upordown_lock; | |
| 253 static kcondvar_t nfs_server_upordown_cv; | |
| 254 | |
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255 /* |
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256 * DSS: distributed stable storage |
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257 * lists of all DSS paths: current, and before last warmstart |
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258 */ |
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259 nvlist_t *rfs4_dss_paths, *rfs4_dss_oldpaths; |
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260 |
| 74 | 261 int rfs4_dispatch(struct rpcdisp *, struct svc_req *, SVCXPRT *, char *); |
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262 bool_t rfs4_minorvers_mismatch(struct svc_req *, SVCXPRT *, void *); |
| 74 | 263 |
| 0 | 264 /* |
| 265 * RDMA wait variables. | |
| 266 */ | |
| 267 static kcondvar_t rdma_wait_cv; | |
| 268 static kmutex_t rdma_wait_mutex; | |
| 269 | |
| 270 /* | |
| 271 * Will be called at the point the server pool is being unregistered | |
| 272 * from the pool list. From that point onwards, the pool is waiting | |
| 273 * to be drained and as such the server state is stale and pertains | |
| 274 * to the old instantiation of the NFS server pool. | |
| 275 */ | |
| 276 void | |
| 277 nfs_srv_offline(void) | |
| 278 { | |
| 279 mutex_enter(&nfs_server_upordown_lock); | |
| 280 if (nfs_server_upordown == NFS_SERVER_RUNNING) { | |
| 281 nfs_server_upordown = NFS_SERVER_OFFLINE; | |
| 282 } | |
| 283 mutex_exit(&nfs_server_upordown_lock); | |
| 284 } | |
| 285 | |
| 286 /* | |
| 287 * Will be called at the point the server pool is being destroyed so | |
| 288 * all transports have been closed and no service threads are in | |
| 289 * existence. | |
| 290 * | |
| 291 * If we quiesce the server, we're shutting it down without destroying the | |
| 292 * server state. This allows it to warm start subsequently. | |
| 293 */ | |
| 294 void | |
| 295 nfs_srv_stop_all(void) | |
| 296 { | |
| 297 int quiesce = 0; | |
| 298 nfs_srv_shutdown_all(quiesce); | |
| 299 } | |
| 300 | |
| 301 /* | |
| 302 * This alternative shutdown routine can be requested via nfssys() | |
| 303 */ | |
| 304 void | |
| 305 nfs_srv_quiesce_all(void) | |
| 306 { | |
| 307 int quiesce = 1; | |
| 308 nfs_srv_shutdown_all(quiesce); | |
| 309 } | |
| 310 | |
| 311 static void | |
| 312 nfs_srv_shutdown_all(int quiesce) { | |
| 313 mutex_enter(&nfs_server_upordown_lock); | |
| 314 if (quiesce) { | |
| 315 if (nfs_server_upordown == NFS_SERVER_RUNNING || | |
| 316 nfs_server_upordown == NFS_SERVER_OFFLINE) { | |
| 317 nfs_server_upordown = NFS_SERVER_QUIESCED; | |
| 318 cv_signal(&nfs_server_upordown_cv); | |
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319 |
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320 /* reset DSS state, for subsequent warm restart */ |
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321 rfs4_dss_numnewpaths = 0; |
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322 rfs4_dss_newpaths = NULL; |
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323 |
| 0 | 324 cmn_err(CE_NOTE, "nfs_server: server is now quiesced; " |
| 325 "NFSv4 state has been preserved"); | |
| 326 } | |
| 327 } else { | |
| 328 if (nfs_server_upordown == NFS_SERVER_OFFLINE) { | |
| 329 nfs_server_upordown = NFS_SERVER_STOPPING; | |
| 330 mutex_exit(&nfs_server_upordown_lock); | |
| 331 rfs4_state_fini(); | |
| 74 | 332 rfs4_fini_drc(nfs4_drc); |
| 0 | 333 mutex_enter(&nfs_server_upordown_lock); |
| 334 nfs_server_upordown = NFS_SERVER_STOPPED; | |
| 335 cv_signal(&nfs_server_upordown_cv); | |
| 336 } | |
| 337 } | |
| 338 mutex_exit(&nfs_server_upordown_lock); | |
| 339 } | |
| 340 | |
| 341 static int | |
| 342 nfs_srv_set_sc_versions(struct file *fp, SVC_CALLOUT_TABLE **sctpp, | |
| 343 rpcvers_t versmin, rpcvers_t versmax) | |
| 344 { | |
| 345 struct strioctl strioc; | |
| 346 struct T_info_ack tinfo; | |
| 347 int error, retval; | |
| 348 | |
| 349 /* | |
| 350 * Find out what type of transport this is. | |
| 351 */ | |
| 352 strioc.ic_cmd = TI_GETINFO; | |
| 353 strioc.ic_timout = -1; | |
| 354 strioc.ic_len = sizeof (tinfo); | |
| 355 strioc.ic_dp = (char *)&tinfo; | |
| 356 tinfo.PRIM_type = T_INFO_REQ; | |
| 357 | |
| 358 error = strioctl(fp->f_vnode, I_STR, (intptr_t)&strioc, 0, K_TO_K, | |
| 359 CRED(), &retval); | |
| 360 if (error || retval) | |
| 361 return (error); | |
| 362 | |
| 363 /* | |
| 364 * Based on our query of the transport type... | |
| 365 * | |
| 366 * Reset the min/max versions based on the caller's request | |
| 367 * NOTE: This assumes that NFS_PROGRAM is first in the array!! | |
| 368 * And the second entry is the NFS_ACL_PROGRAM. | |
| 369 */ | |
| 370 switch (tinfo.SERV_type) { | |
| 371 case T_CLTS: | |
| 372 if (versmax == NFS_V4) | |
| 373 return (EINVAL); | |
| 374 __nfs_sc_clts[0].sc_versmin = versmin; | |
| 375 __nfs_sc_clts[0].sc_versmax = versmax; | |
| 376 __nfs_sc_clts[1].sc_versmin = versmin; | |
| 377 __nfs_sc_clts[1].sc_versmax = versmax; | |
| 378 *sctpp = &nfs_sct_clts; | |
| 379 break; | |
| 380 case T_COTS: | |
| 381 case T_COTS_ORD: | |
| 382 __nfs_sc_cots[0].sc_versmin = versmin; | |
| 383 __nfs_sc_cots[0].sc_versmax = versmax; | |
| 384 /* For the NFS_ACL program, check the max version */ | |
| 385 if (versmax > NFS_ACL_VERSMAX) | |
| 386 versmax = NFS_ACL_VERSMAX; | |
| 387 __nfs_sc_cots[1].sc_versmin = versmin; | |
| 388 __nfs_sc_cots[1].sc_versmax = versmax; | |
| 389 *sctpp = &nfs_sct_cots; | |
| 390 break; | |
| 391 default: | |
| 392 error = EINVAL; | |
| 393 } | |
| 394 | |
| 395 return (error); | |
| 396 } | |
| 397 | |
| 398 /* | |
| 399 * NFS Server system call. | |
| 400 * Does all of the work of running a NFS server. | |
| 401 * uap->fd is the fd of an open transport provider | |
| 402 */ | |
| 403 int | |
| 404 nfs_svc(struct nfs_svc_args *arg, model_t model) | |
| 405 { | |
| 406 file_t *fp; | |
| 407 SVCMASTERXPRT *xprt; | |
| 408 int error; | |
| 409 int readsize; | |
| 410 char buf[KNC_STRSIZE]; | |
| 411 size_t len; | |
| 412 STRUCT_HANDLE(nfs_svc_args, uap); | |
| 413 struct netbuf addrmask; | |
| 414 SVC_CALLOUT_TABLE *sctp = NULL; | |
| 415 | |
| 416 #ifdef lint | |
| 417 model = model; /* STRUCT macros don't always refer to it */ | |
| 418 #endif | |
| 419 | |
| 420 STRUCT_SET_HANDLE(uap, model, arg); | |
| 421 | |
| 422 /* Check privileges in nfssys() */ | |
| 423 | |
| 424 if ((fp = getf(STRUCT_FGET(uap, fd))) == NULL) | |
| 425 return (EBADF); | |
| 426 | |
| 427 /* | |
| 428 * Set read buffer size to rsize | |
| 429 * and add room for RPC headers. | |
| 430 */ | |
| 431 readsize = nfs3tsize() + (RPC_MAXDATASIZE - NFS_MAXDATA); | |
| 432 if (readsize < RPC_MAXDATASIZE) | |
| 433 readsize = RPC_MAXDATASIZE; | |
| 434 | |
| 435 error = copyinstr((const char *)STRUCT_FGETP(uap, netid), buf, | |
| 436 KNC_STRSIZE, &len); | |
| 437 if (error) { | |
| 438 releasef(STRUCT_FGET(uap, fd)); | |
| 439 return (error); | |
| 440 } | |
| 441 | |
| 442 addrmask.len = STRUCT_FGET(uap, addrmask.len); | |
| 443 addrmask.maxlen = STRUCT_FGET(uap, addrmask.maxlen); | |
| 444 addrmask.buf = kmem_alloc(addrmask.maxlen, KM_SLEEP); | |
| 445 error = copyin(STRUCT_FGETP(uap, addrmask.buf), addrmask.buf, | |
| 446 addrmask.len); | |
| 447 if (error) { | |
| 448 releasef(STRUCT_FGET(uap, fd)); | |
| 449 kmem_free(addrmask.buf, addrmask.maxlen); | |
| 450 return (error); | |
| 451 } | |
| 452 | |
| 453 nfs_versmin = STRUCT_FGET(uap, versmin); | |
| 454 nfs_versmax = STRUCT_FGET(uap, versmax); | |
| 455 | |
| 456 /* Double check the vers min/max ranges */ | |
| 457 if ((nfs_versmin > nfs_versmax) || | |
|
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458 (nfs_versmin < NFS_VERSMIN) || |
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459 (nfs_versmax > NFS_VERSMAX)) { |
| 0 | 460 nfs_versmin = NFS_VERSMIN_DEFAULT; |
| 461 nfs_versmax = NFS_VERSMAX_DEFAULT; | |
| 462 } | |
| 463 | |
| 464 if (error = | |
| 465 nfs_srv_set_sc_versions(fp, &sctp, nfs_versmin, nfs_versmax)) { | |
| 466 releasef(STRUCT_FGET(uap, fd)); | |
| 467 kmem_free(addrmask.buf, addrmask.maxlen); | |
| 468 return (error); | |
| 469 } | |
| 470 | |
| 471 /* Initialize nfsv4 server */ | |
| 472 if (nfs_versmax == (rpcvers_t)NFS_V4) | |
| 473 rfs4_server_start(STRUCT_FGET(uap, delegation)); | |
| 474 | |
| 475 /* Create a transport handle. */ | |
| 476 error = svc_tli_kcreate(fp, readsize, buf, &addrmask, &xprt, | |
|
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477 sctp, NULL, NFS_SVCPOOL_ID, TRUE); |
| 0 | 478 |
| 479 if (error) | |
| 480 kmem_free(addrmask.buf, addrmask.maxlen); | |
| 481 | |
| 482 releasef(STRUCT_FGET(uap, fd)); | |
| 483 | |
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484 /* HA-NFSv4: save the cluster nodeid */ |
| 0 | 485 if (cluster_bootflags & CLUSTER_BOOTED) |
| 486 lm_global_nlmid = clconf_get_nodeid(); | |
| 487 | |
| 488 return (error); | |
| 489 } | |
| 490 | |
| 491 static void | |
| 492 rfs4_server_start(int nfs4_srv_delegation) | |
| 493 { | |
| 494 /* | |
| 495 * Determine if the server has previously been "started" and | |
| 496 * if not, do the per instance initialization | |
| 497 */ | |
| 498 mutex_enter(&nfs_server_upordown_lock); | |
| 499 | |
| 500 if (nfs_server_upordown != NFS_SERVER_RUNNING) { | |
| 501 /* Do we need to stop and wait on the previous server? */ | |
| 502 while (nfs_server_upordown == NFS_SERVER_STOPPING || | |
|
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503 nfs_server_upordown == NFS_SERVER_OFFLINE) |
| 0 | 504 cv_wait(&nfs_server_upordown_cv, |
| 505 &nfs_server_upordown_lock); | |
| 506 | |
| 507 if (nfs_server_upordown != NFS_SERVER_RUNNING) { | |
| 508 (void) svc_pool_control(NFS_SVCPOOL_ID, | |
| 509 SVCPSET_UNREGISTER_PROC, (void *)&nfs_srv_offline); | |
| 510 (void) svc_pool_control(NFS_SVCPOOL_ID, | |
| 511 SVCPSET_SHUTDOWN_PROC, (void *)&nfs_srv_stop_all); | |
| 512 | |
| 513 /* is this an nfsd warm start? */ | |
| 514 if (nfs_server_upordown == NFS_SERVER_QUIESCED) { | |
| 515 cmn_err(CE_NOTE, "nfs_server: " | |
| 516 "server was previously quiesced; " | |
| 517 "existing NFSv4 state will be re-used"); | |
| 518 | |
| 519 /* | |
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520 * HA-NFSv4: this is also the signal |
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521 * that a Resource Group failover has |
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522 * occurred. |
| 0 | 523 */ |
| 2390 | 524 if (cluster_bootflags & CLUSTER_BOOTED) |
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525 hanfsv4_failover(); |
| 0 | 526 } else { |
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527 /* cold start */ |
| 0 | 528 rfs4_state_init(); |
| 74 | 529 nfs4_drc = rfs4_init_drc(nfs4_drc_max, |
|
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530 nfs4_drc_hash); |
| 0 | 531 } |
| 532 | |
| 533 /* | |
| 534 * Check to see if delegation is to be | |
| 535 * enabled at the server | |
| 536 */ | |
| 537 if (nfs4_srv_delegation != FALSE) | |
| 538 rfs4_set_deleg_policy(SRV_NORMAL_DELEGATE); | |
| 539 | |
| 540 nfs_server_upordown = NFS_SERVER_RUNNING; | |
| 541 } | |
| 542 cv_signal(&nfs_server_upordown_cv); | |
| 543 } | |
| 544 mutex_exit(&nfs_server_upordown_lock); | |
| 545 } | |
| 546 | |
| 547 /* | |
| 548 * If RDMA device available, | |
| 549 * start RDMA listener. | |
| 550 */ | |
| 551 int | |
| 552 rdma_start(struct rdma_svc_args *rsa) | |
| 553 { | |
| 554 int error; | |
| 555 rdma_xprt_group_t started_rdma_xprts; | |
|
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556 rdma_stat stat; |
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557 int svc_state = 0; |
| 0 | 558 |
| 559 /* Double check the vers min/max ranges */ | |
| 560 if ((rsa->nfs_versmin > rsa->nfs_versmax) || | |
|
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561 (rsa->nfs_versmin < NFS_VERSMIN) || |
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562 (rsa->nfs_versmax > NFS_VERSMAX)) { |
| 0 | 563 rsa->nfs_versmin = NFS_VERSMIN_DEFAULT; |
| 564 rsa->nfs_versmax = NFS_VERSMAX_DEFAULT; | |
| 565 } | |
| 566 nfs_versmin = rsa->nfs_versmin; | |
| 567 nfs_versmax = rsa->nfs_versmax; | |
| 568 | |
| 569 /* Set the versions in the callout table */ | |
| 570 __nfs_sc_rdma[0].sc_versmin = rsa->nfs_versmin; | |
| 571 __nfs_sc_rdma[0].sc_versmax = rsa->nfs_versmax; | |
| 572 /* For the NFS_ACL program, check the max version */ | |
| 573 __nfs_sc_rdma[1].sc_versmin = rsa->nfs_versmin; | |
| 574 if (rsa->nfs_versmax > NFS_ACL_VERSMAX) | |
| 575 __nfs_sc_rdma[1].sc_versmax = NFS_ACL_VERSMAX; | |
| 576 else | |
| 577 __nfs_sc_rdma[1].sc_versmax = rsa->nfs_versmax; | |
| 578 | |
| 579 /* Initialize nfsv4 server */ | |
| 580 if (rsa->nfs_versmax == (rpcvers_t)NFS_V4) | |
| 581 rfs4_server_start(rsa->delegation); | |
| 582 | |
| 583 started_rdma_xprts.rtg_count = 0; | |
| 584 started_rdma_xprts.rtg_listhead = NULL; | |
| 585 started_rdma_xprts.rtg_poolid = rsa->poolid; | |
|
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586 |
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587 restart: |
| 0 | 588 error = svc_rdma_kcreate(rsa->netid, &nfs_sct_rdma, rsa->poolid, |
| 589 &started_rdma_xprts); | |
| 590 | |
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591 svc_state = !error; |
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592 |
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593 while (!error) { |
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594 |
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595 /* |
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596 * wait till either interrupted by a signal on |
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597 * nfs service stop/restart or signalled by a |
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598 * rdma plugin attach/detatch. |
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599 */ |
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600 |
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601 stat = rdma_kwait(); |
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602 |
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603 /* |
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604 * stop services if running -- either on a HCA detach event |
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605 * or if the nfs service is stopped/restarted. |
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606 */ |
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607 |
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608 if ((stat == RDMA_HCA_DETACH || stat == RDMA_INTR) && |
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609 svc_state) { |
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610 rdma_stop(&started_rdma_xprts); |
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611 svc_state = 0; |
| 0 | 612 } |
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613 |
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614 /* |
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615 * nfs service stop/restart, break out of the |
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616 * wait loop and return; |
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617 */ |
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618 if (stat == RDMA_INTR) |
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619 return (0); |
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620 |
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621 /* |
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622 * restart stopped services on a HCA attach event |
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623 * (if not already running) |
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624 */ |
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625 |
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626 if ((stat == RDMA_HCA_ATTACH) && (svc_state == 0)) |
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627 goto restart; |
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628 |
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629 /* |
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|
630 * loop until a nfs service stop/restart |
|
115e6d42744b
6773181 panic due to assertion failure from ibmf_saa_impl_hca_detach()
Rajkumar Sivaprakasam <Rajkumar.Sivaprakasam@Sun.COM>
parents:
8395
diff
changeset
|
631 */ |
| 0 | 632 } |
| 633 | |
| 634 return (error); | |
| 635 } | |
| 636 | |
| 637 /* ARGSUSED */ | |
| 74 | 638 void |
| 0 | 639 rpc_null(caddr_t *argp, caddr_t *resp) |
| 640 { | |
| 641 } | |
| 642 | |
| 643 /* ARGSUSED */ | |
| 5982 | 644 void |
| 645 rpc_null_v3(caddr_t *argp, caddr_t *resp, struct exportinfo *exi, | |
| 646 struct svc_req *req, cred_t *cr) | |
| 647 { | |
| 648 DTRACE_NFSV3_3(op__null__start, struct svc_req *, req, | |
| 649 cred_t *, cr, vnode_t *, NULL); | |
| 650 DTRACE_NFSV3_3(op__null__done, struct svc_req *, req, | |
| 651 cred_t *, cr, vnode_t *, NULL); | |
| 652 } | |
| 653 | |
| 654 /* ARGSUSED */ | |
| 0 | 655 static void |
| 656 rfs_error(caddr_t *argp, caddr_t *resp) | |
| 657 { | |
| 658 /* return (EOPNOTSUPP); */ | |
| 659 } | |
| 660 | |
| 661 static void | |
| 662 nullfree(void) | |
| 663 { | |
| 664 } | |
| 665 | |
| 666 static char *rfscallnames_v2[] = { | |
| 667 "RFS2_NULL", | |
| 668 "RFS2_GETATTR", | |
| 669 "RFS2_SETATTR", | |
| 670 "RFS2_ROOT", | |
| 671 "RFS2_LOOKUP", | |
| 672 "RFS2_READLINK", | |
| 673 "RFS2_READ", | |
| 674 "RFS2_WRITECACHE", | |
| 675 "RFS2_WRITE", | |
| 676 "RFS2_CREATE", | |
| 677 "RFS2_REMOVE", | |
| 678 "RFS2_RENAME", | |
| 679 "RFS2_LINK", | |
| 680 "RFS2_SYMLINK", | |
| 681 "RFS2_MKDIR", | |
| 682 "RFS2_RMDIR", | |
| 683 "RFS2_READDIR", | |
| 684 "RFS2_STATFS" | |
| 685 }; | |
| 686 | |
| 687 static struct rpcdisp rfsdisptab_v2[] = { | |
| 688 /* | |
| 689 * NFS VERSION 2 | |
| 690 */ | |
| 691 | |
| 692 /* RFS_NULL = 0 */ | |
| 693 {rpc_null, | |
| 694 xdr_void, NULL_xdrproc_t, 0, | |
| 695 xdr_void, NULL_xdrproc_t, 0, | |
| 696 nullfree, RPC_IDEMPOTENT, | |
| 74 | 697 0}, |
| 0 | 698 |
| 699 /* RFS_GETATTR = 1 */ | |
| 700 {rfs_getattr, | |
| 701 xdr_fhandle, xdr_fastfhandle, sizeof (fhandle_t), | |
| 702 xdr_attrstat, xdr_fastattrstat, sizeof (struct nfsattrstat), | |
| 703 nullfree, RPC_IDEMPOTENT|RPC_ALLOWANON|RPC_MAPRESP, | |
| 74 | 704 rfs_getattr_getfh}, |
| 0 | 705 |
| 706 /* RFS_SETATTR = 2 */ | |
| 707 {rfs_setattr, | |
| 708 xdr_saargs, NULL_xdrproc_t, sizeof (struct nfssaargs), | |
| 709 xdr_attrstat, xdr_fastattrstat, sizeof (struct nfsattrstat), | |
| 710 nullfree, RPC_MAPRESP, | |
| 74 | 711 rfs_setattr_getfh}, |
| 0 | 712 |
| 713 /* RFS_ROOT = 3 *** NO LONGER SUPPORTED *** */ | |
| 714 {rfs_error, | |
| 715 xdr_void, NULL_xdrproc_t, 0, | |
| 716 xdr_void, NULL_xdrproc_t, 0, | |
| 717 nullfree, RPC_IDEMPOTENT, | |
| 74 | 718 0}, |
| 0 | 719 |
| 720 /* RFS_LOOKUP = 4 */ | |
| 721 {rfs_lookup, | |
| 722 xdr_diropargs, NULL_xdrproc_t, sizeof (struct nfsdiropargs), | |
| 723 xdr_diropres, xdr_fastdiropres, sizeof (struct nfsdiropres), | |
| 724 nullfree, RPC_IDEMPOTENT|RPC_MAPRESP|RPC_PUBLICFH_OK, | |
| 74 | 725 rfs_lookup_getfh}, |
| 0 | 726 |
| 727 /* RFS_READLINK = 5 */ | |
| 728 {rfs_readlink, | |
| 729 xdr_fhandle, xdr_fastfhandle, sizeof (fhandle_t), | |
| 730 xdr_rdlnres, NULL_xdrproc_t, sizeof (struct nfsrdlnres), | |
| 731 rfs_rlfree, RPC_IDEMPOTENT, | |
| 74 | 732 rfs_readlink_getfh}, |
| 0 | 733 |
| 734 /* RFS_READ = 6 */ | |
| 735 {rfs_read, | |
| 736 xdr_readargs, NULL_xdrproc_t, sizeof (struct nfsreadargs), | |
| 737 xdr_rdresult, NULL_xdrproc_t, sizeof (struct nfsrdresult), | |
| 738 rfs_rdfree, RPC_IDEMPOTENT, | |
| 74 | 739 rfs_read_getfh}, |
| 0 | 740 |
| 741 /* RFS_WRITECACHE = 7 *** NO LONGER SUPPORTED *** */ | |
| 742 {rfs_error, | |
| 743 xdr_void, NULL_xdrproc_t, 0, | |
| 744 xdr_void, NULL_xdrproc_t, 0, | |
| 745 nullfree, RPC_IDEMPOTENT, | |
| 74 | 746 0}, |
| 0 | 747 |
| 748 /* RFS_WRITE = 8 */ | |
| 749 {rfs_write, | |
| 750 xdr_writeargs, NULL_xdrproc_t, sizeof (struct nfswriteargs), | |
| 751 xdr_attrstat, xdr_fastattrstat, sizeof (struct nfsattrstat), | |
| 752 nullfree, RPC_MAPRESP, | |
| 74 | 753 rfs_write_getfh}, |
| 0 | 754 |
| 755 /* RFS_CREATE = 9 */ | |
| 756 {rfs_create, | |
| 757 xdr_creatargs, NULL_xdrproc_t, sizeof (struct nfscreatargs), | |
| 758 xdr_diropres, xdr_fastdiropres, sizeof (struct nfsdiropres), | |
| 759 nullfree, RPC_MAPRESP, | |
| 74 | 760 rfs_create_getfh}, |
| 0 | 761 |
| 762 /* RFS_REMOVE = 10 */ | |
| 763 {rfs_remove, | |
| 764 xdr_diropargs, NULL_xdrproc_t, sizeof (struct nfsdiropargs), | |
| 765 #ifdef _LITTLE_ENDIAN | |
| 766 xdr_enum, xdr_fastenum, sizeof (enum nfsstat), | |
| 767 #else | |
| 768 xdr_enum, NULL_xdrproc_t, sizeof (enum nfsstat), | |
| 769 #endif | |
| 770 nullfree, RPC_MAPRESP, | |
| 74 | 771 rfs_remove_getfh}, |
| 0 | 772 |
| 773 /* RFS_RENAME = 11 */ | |
| 774 {rfs_rename, | |
| 775 xdr_rnmargs, NULL_xdrproc_t, sizeof (struct nfsrnmargs), | |
| 776 #ifdef _LITTLE_ENDIAN | |
| 777 xdr_enum, xdr_fastenum, sizeof (enum nfsstat), | |
| 778 #else | |
| 779 xdr_enum, NULL_xdrproc_t, sizeof (enum nfsstat), | |
| 780 #endif | |
| 781 nullfree, RPC_MAPRESP, | |
| 74 | 782 rfs_rename_getfh}, |
| 0 | 783 |
| 784 /* RFS_LINK = 12 */ | |
| 785 {rfs_link, | |
| 786 xdr_linkargs, NULL_xdrproc_t, sizeof (struct nfslinkargs), | |
| 787 #ifdef _LITTLE_ENDIAN | |
| 788 xdr_enum, xdr_fastenum, sizeof (enum nfsstat), | |
| 789 #else | |
| 790 xdr_enum, NULL_xdrproc_t, sizeof (enum nfsstat), | |
| 791 #endif | |
| 792 nullfree, RPC_MAPRESP, | |
| 74 | 793 rfs_link_getfh}, |
| 0 | 794 |
| 795 /* RFS_SYMLINK = 13 */ | |
| 796 {rfs_symlink, | |
| 797 xdr_slargs, NULL_xdrproc_t, sizeof (struct nfsslargs), | |
| 798 #ifdef _LITTLE_ENDIAN | |
| 799 xdr_enum, xdr_fastenum, sizeof (enum nfsstat), | |
| 800 #else | |
| 801 xdr_enum, NULL_xdrproc_t, sizeof (enum nfsstat), | |
| 802 #endif | |
| 803 nullfree, RPC_MAPRESP, | |
| 74 | 804 rfs_symlink_getfh}, |
| 0 | 805 |
| 806 /* RFS_MKDIR = 14 */ | |
| 807 {rfs_mkdir, | |
| 808 xdr_creatargs, NULL_xdrproc_t, sizeof (struct nfscreatargs), | |
| 809 xdr_diropres, xdr_fastdiropres, sizeof (struct nfsdiropres), | |
| 810 nullfree, RPC_MAPRESP, | |
| 74 | 811 rfs_mkdir_getfh}, |
| 0 | 812 |
| 813 /* RFS_RMDIR = 15 */ | |
| 814 {rfs_rmdir, | |
| 815 xdr_diropargs, NULL_xdrproc_t, sizeof (struct nfsdiropargs), | |
| 816 #ifdef _LITTLE_ENDIAN | |
| 817 xdr_enum, xdr_fastenum, sizeof (enum nfsstat), | |
| 818 #else | |
| 819 xdr_enum, NULL_xdrproc_t, sizeof (enum nfsstat), | |
| 820 #endif | |
| 821 nullfree, RPC_MAPRESP, | |
| 74 | 822 rfs_rmdir_getfh}, |
| 0 | 823 |
| 824 /* RFS_READDIR = 16 */ | |
| 825 {rfs_readdir, | |
| 826 xdr_rddirargs, NULL_xdrproc_t, sizeof (struct nfsrddirargs), | |
| 827 xdr_putrddirres, NULL_xdrproc_t, sizeof (struct nfsrddirres), | |
| 828 rfs_rddirfree, RPC_IDEMPOTENT, | |
| 74 | 829 rfs_readdir_getfh}, |
| 0 | 830 |
| 831 /* RFS_STATFS = 17 */ | |
| 832 {rfs_statfs, | |
| 833 xdr_fhandle, xdr_fastfhandle, sizeof (fhandle_t), | |
| 834 xdr_statfs, xdr_faststatfs, sizeof (struct nfsstatfs), | |
| 835 nullfree, RPC_IDEMPOTENT|RPC_ALLOWANON|RPC_MAPRESP, | |
| 74 | 836 rfs_statfs_getfh}, |
| 0 | 837 }; |
| 838 | |
| 839 static char *rfscallnames_v3[] = { | |
| 840 "RFS3_NULL", | |
| 841 "RFS3_GETATTR", | |
| 842 "RFS3_SETATTR", | |
| 843 "RFS3_LOOKUP", | |
| 844 "RFS3_ACCESS", | |
| 845 "RFS3_READLINK", | |
| 846 "RFS3_READ", | |
| 847 "RFS3_WRITE", | |
| 848 "RFS3_CREATE", | |
| 849 "RFS3_MKDIR", | |
| 850 "RFS3_SYMLINK", | |
| 851 "RFS3_MKNOD", | |
| 852 "RFS3_REMOVE", | |
| 853 "RFS3_RMDIR", | |
| 854 "RFS3_RENAME", | |
| 855 "RFS3_LINK", | |
| 856 "RFS3_READDIR", | |
| 857 "RFS3_READDIRPLUS", | |
| 858 "RFS3_FSSTAT", | |
| 859 "RFS3_FSINFO", | |
| 860 "RFS3_PATHCONF", | |
| 861 "RFS3_COMMIT" | |
| 862 }; | |
| 863 | |
| 864 static struct rpcdisp rfsdisptab_v3[] = { | |
| 865 /* | |
| 866 * NFS VERSION 3 | |
| 867 */ | |
| 868 | |
| 869 /* RFS_NULL = 0 */ | |
| 5982 | 870 {rpc_null_v3, |
| 0 | 871 xdr_void, NULL_xdrproc_t, 0, |
| 872 xdr_void, NULL_xdrproc_t, 0, | |
| 873 nullfree, RPC_IDEMPOTENT, | |
| 74 | 874 0}, |
| 0 | 875 |
| 876 /* RFS3_GETATTR = 1 */ | |
| 877 {rfs3_getattr, | |
|
1610
3436e82414c8
6344186 NFSv3 needs to support .zfs (like NFSv4 already does)
thurlow
parents:
1232
diff
changeset
|
878 xdr_nfs_fh3_server, NULL_xdrproc_t, sizeof (GETATTR3args), |
| 0 | 879 xdr_GETATTR3res, NULL_xdrproc_t, sizeof (GETATTR3res), |
| 880 nullfree, (RPC_IDEMPOTENT | RPC_ALLOWANON), | |
| 74 | 881 rfs3_getattr_getfh}, |
| 0 | 882 |
| 883 /* RFS3_SETATTR = 2 */ | |
| 884 {rfs3_setattr, | |
| 885 xdr_SETATTR3args, NULL_xdrproc_t, sizeof (SETATTR3args), | |
| 886 xdr_SETATTR3res, NULL_xdrproc_t, sizeof (SETATTR3res), | |
| 887 nullfree, 0, | |
| 74 | 888 rfs3_setattr_getfh}, |
| 0 | 889 |
| 890 /* RFS3_LOOKUP = 3 */ | |
| 891 {rfs3_lookup, | |
| 892 xdr_diropargs3, NULL_xdrproc_t, sizeof (LOOKUP3args), | |
| 893 xdr_LOOKUP3res, NULL_xdrproc_t, sizeof (LOOKUP3res), | |
| 894 nullfree, (RPC_IDEMPOTENT | RPC_PUBLICFH_OK), | |
| 74 | 895 rfs3_lookup_getfh}, |
| 0 | 896 |
| 897 /* RFS3_ACCESS = 4 */ | |
| 898 {rfs3_access, | |
| 899 xdr_ACCESS3args, NULL_xdrproc_t, sizeof (ACCESS3args), | |
| 900 xdr_ACCESS3res, NULL_xdrproc_t, sizeof (ACCESS3res), | |
| 901 nullfree, RPC_IDEMPOTENT, | |
| 74 | 902 rfs3_access_getfh}, |
| 0 | 903 |
| 904 /* RFS3_READLINK = 5 */ | |
| 905 {rfs3_readlink, | |
|
1610
3436e82414c8
6344186 NFSv3 needs to support .zfs (like NFSv4 already does)
thurlow
parents:
1232
diff
changeset
|
906 xdr_nfs_fh3_server, NULL_xdrproc_t, sizeof (READLINK3args), |
| 0 | 907 xdr_READLINK3res, NULL_xdrproc_t, sizeof (READLINK3res), |
| 908 rfs3_readlink_free, RPC_IDEMPOTENT, | |
| 74 | 909 rfs3_readlink_getfh}, |
| 0 | 910 |
| 911 /* RFS3_READ = 6 */ | |
| 912 {rfs3_read, | |
| 913 xdr_READ3args, NULL_xdrproc_t, sizeof (READ3args), | |
| 914 xdr_READ3res, NULL_xdrproc_t, sizeof (READ3res), | |
| 915 rfs3_read_free, RPC_IDEMPOTENT, | |
| 74 | 916 rfs3_read_getfh}, |
| 0 | 917 |
| 918 /* RFS3_WRITE = 7 */ | |
| 919 {rfs3_write, | |
| 920 xdr_WRITE3args, NULL_xdrproc_t, sizeof (WRITE3args), | |
| 921 xdr_WRITE3res, NULL_xdrproc_t, sizeof (WRITE3res), | |
| 922 nullfree, 0, | |
| 74 | 923 rfs3_write_getfh}, |
| 0 | 924 |
| 925 /* RFS3_CREATE = 8 */ | |
| 926 {rfs3_create, | |
| 927 xdr_CREATE3args, NULL_xdrproc_t, sizeof (CREATE3args), | |
| 928 xdr_CREATE3res, NULL_xdrproc_t, sizeof (CREATE3res), | |
| 929 nullfree, 0, | |
| 74 | 930 rfs3_create_getfh}, |
| 0 | 931 |
| 932 /* RFS3_MKDIR = 9 */ | |
| 933 {rfs3_mkdir, | |
| 934 xdr_MKDIR3args, NULL_xdrproc_t, sizeof (MKDIR3args), | |
| 935 xdr_MKDIR3res, NULL_xdrproc_t, sizeof (MKDIR3res), | |
| 936 nullfree, 0, | |
| 74 | 937 rfs3_mkdir_getfh}, |
| 0 | 938 |
| 939 /* RFS3_SYMLINK = 10 */ | |
| 940 {rfs3_symlink, | |
| 941 xdr_SYMLINK3args, NULL_xdrproc_t, sizeof (SYMLINK3args), | |
| 942 xdr_SYMLINK3res, NULL_xdrproc_t, sizeof (SYMLINK3res), | |
| 943 nullfree, 0, | |
| 74 | 944 rfs3_symlink_getfh}, |
| 0 | 945 |
| 946 /* RFS3_MKNOD = 11 */ | |
| 947 {rfs3_mknod, | |
| 948 xdr_MKNOD3args, NULL_xdrproc_t, sizeof (MKNOD3args), | |
| 949 xdr_MKNOD3res, NULL_xdrproc_t, sizeof (MKNOD3res), | |
| 950 nullfree, 0, | |
| 74 | 951 rfs3_mknod_getfh}, |
| 0 | 952 |
| 953 /* RFS3_REMOVE = 12 */ | |
| 954 {rfs3_remove, | |
| 955 xdr_diropargs3, NULL_xdrproc_t, sizeof (REMOVE3args), | |
| 956 xdr_REMOVE3res, NULL_xdrproc_t, sizeof (REMOVE3res), | |
| 957 nullfree, 0, | |
| 74 | 958 rfs3_remove_getfh}, |
| 0 | 959 |
| 960 /* RFS3_RMDIR = 13 */ | |
| 961 {rfs3_rmdir, | |
| 962 xdr_diropargs3, NULL_xdrproc_t, sizeof (RMDIR3args), | |
| 963 xdr_RMDIR3res, NULL_xdrproc_t, sizeof (RMDIR3res), | |
| 964 nullfree, 0, | |
| 74 | 965 rfs3_rmdir_getfh}, |
| 0 | 966 |
| 967 /* RFS3_RENAME = 14 */ | |
| 968 {rfs3_rename, | |
| 969 xdr_RENAME3args, NULL_xdrproc_t, sizeof (RENAME3args), | |
| 970 xdr_RENAME3res, NULL_xdrproc_t, sizeof (RENAME3res), | |
| 971 nullfree, 0, | |
| 74 | 972 rfs3_rename_getfh}, |
| 0 | 973 |
| 974 /* RFS3_LINK = 15 */ | |
| 975 {rfs3_link, | |
| 976 xdr_LINK3args, NULL_xdrproc_t, sizeof (LINK3args), | |
| 977 xdr_LINK3res, NULL_xdrproc_t, sizeof (LINK3res), | |
| 978 nullfree, 0, | |
| 74 | 979 rfs3_link_getfh}, |
| 0 | 980 |
| 981 /* RFS3_READDIR = 16 */ | |
| 982 {rfs3_readdir, | |
| 983 xdr_READDIR3args, NULL_xdrproc_t, sizeof (READDIR3args), | |
| 984 xdr_READDIR3res, NULL_xdrproc_t, sizeof (READDIR3res), | |
| 985 rfs3_readdir_free, RPC_IDEMPOTENT, | |
| 74 | 986 rfs3_readdir_getfh}, |
| 0 | 987 |
| 988 /* RFS3_READDIRPLUS = 17 */ | |
| 989 {rfs3_readdirplus, | |
| 990 xdr_READDIRPLUS3args, NULL_xdrproc_t, sizeof (READDIRPLUS3args), | |
| 991 xdr_READDIRPLUS3res, NULL_xdrproc_t, sizeof (READDIRPLUS3res), | |
| 992 rfs3_readdirplus_free, RPC_AVOIDWORK, | |
| 74 | 993 rfs3_readdirplus_getfh}, |
| 0 | 994 |
| 995 /* RFS3_FSSTAT = 18 */ | |
| 996 {rfs3_fsstat, | |
|
1610
3436e82414c8
6344186 NFSv3 needs to support .zfs (like NFSv4 already does)
thurlow
parents:
1232
diff
changeset
|
997 xdr_nfs_fh3_server, NULL_xdrproc_t, sizeof (FSSTAT3args), |
| 0 | 998 xdr_FSSTAT3res, NULL_xdrproc_t, sizeof (FSSTAT3res), |
| 999 nullfree, RPC_IDEMPOTENT, | |
| 74 | 1000 rfs3_fsstat_getfh}, |
| 0 | 1001 |
| 1002 /* RFS3_FSINFO = 19 */ | |
| 1003 {rfs3_fsinfo, | |
|
1610
3436e82414c8
6344186 NFSv3 needs to support .zfs (like NFSv4 already does)
thurlow
parents:
1232
diff
changeset
|
1004 xdr_nfs_fh3_server, NULL_xdrproc_t, sizeof (FSINFO3args), |
| 0 | 1005 xdr_FSINFO3res, NULL_xdrproc_t, sizeof (FSINFO3res), |
| 1006 nullfree, RPC_IDEMPOTENT|RPC_ALLOWANON, | |
| 74 | 1007 rfs3_fsinfo_getfh}, |
| 0 | 1008 |
| 1009 /* RFS3_PATHCONF = 20 */ | |
| 1010 {rfs3_pathconf, | |
|
1610
3436e82414c8
6344186 NFSv3 needs to support .zfs (like NFSv4 already does)
thurlow
parents:
1232
diff
changeset
|
1011 xdr_nfs_fh3_server, NULL_xdrproc_t, sizeof (PATHCONF3args), |
| 0 | 1012 xdr_PATHCONF3res, NULL_xdrproc_t, sizeof (PATHCONF3res), |
| 1013 nullfree, RPC_IDEMPOTENT, | |
| 74 | 1014 rfs3_pathconf_getfh}, |
| 0 | 1015 |
| 1016 /* RFS3_COMMIT = 21 */ | |
| 1017 {rfs3_commit, | |
| 1018 xdr_COMMIT3args, NULL_xdrproc_t, sizeof (COMMIT3args), | |
| 1019 xdr_COMMIT3res, NULL_xdrproc_t, sizeof (COMMIT3res), | |
| 1020 nullfree, RPC_IDEMPOTENT, | |
| 74 | 1021 rfs3_commit_getfh}, |
| 0 | 1022 }; |
| 1023 | |
| 1024 static char *rfscallnames_v4[] = { | |
| 1025 "RFS4_NULL", | |
| 1026 "RFS4_COMPOUND", | |
| 1027 "RFS4_NULL", | |
| 1028 "RFS4_NULL", | |
| 1029 "RFS4_NULL", | |
| 1030 "RFS4_NULL", | |
| 1031 "RFS4_NULL", | |
| 1032 "RFS4_NULL", | |
| 1033 "RFS4_CREATE" | |
| 1034 }; | |
| 1035 | |
| 1036 static struct rpcdisp rfsdisptab_v4[] = { | |
| 1037 /* | |
| 1038 * NFS VERSION 4 | |
| 1039 */ | |
| 1040 | |
| 1041 /* RFS_NULL = 0 */ | |
| 1042 {rpc_null, | |
| 1043 xdr_void, NULL_xdrproc_t, 0, | |
| 1044 xdr_void, NULL_xdrproc_t, 0, | |
| 74 | 1045 nullfree, RPC_IDEMPOTENT, 0}, |
| 0 | 1046 |
| 1047 /* RFS4_compound = 1 */ | |
| 1048 {rfs4_compound, | |
| 806 | 1049 xdr_COMPOUND4args_srv, NULL_xdrproc_t, sizeof (COMPOUND4args), |
| 1050 xdr_COMPOUND4res_srv, NULL_xdrproc_t, sizeof (COMPOUND4res), | |
| 74 | 1051 rfs4_compound_free, 0, 0}, |
| 0 | 1052 }; |
| 1053 | |
| 1054 union rfs_args { | |
| 1055 /* | |
| 1056 * NFS VERSION 2 | |
| 1057 */ | |
| 1058 | |
| 1059 /* RFS_NULL = 0 */ | |
| 1060 | |
| 1061 /* RFS_GETATTR = 1 */ | |
| 1062 fhandle_t nfs2_getattr_args; | |
| 1063 | |
| 1064 /* RFS_SETATTR = 2 */ | |
| 1065 struct nfssaargs nfs2_setattr_args; | |
| 1066 | |
| 1067 /* RFS_ROOT = 3 *** NO LONGER SUPPORTED *** */ | |
| 1068 | |
| 1069 /* RFS_LOOKUP = 4 */ | |
| 1070 struct nfsdiropargs nfs2_lookup_args; | |
| 1071 | |
| 1072 /* RFS_READLINK = 5 */ | |
| 1073 fhandle_t nfs2_readlink_args; | |
| 1074 | |
| 1075 /* RFS_READ = 6 */ | |
| 1076 struct nfsreadargs nfs2_read_args; | |
| 1077 | |
| 1078 /* RFS_WRITECACHE = 7 *** NO LONGER SUPPORTED *** */ | |
| 1079 | |
| 1080 /* RFS_WRITE = 8 */ | |
| 1081 struct nfswriteargs nfs2_write_args; | |
| 1082 | |
| 1083 /* RFS_CREATE = 9 */ | |
| 1084 struct nfscreatargs nfs2_create_args; | |
| 1085 | |
| 1086 /* RFS_REMOVE = 10 */ | |
| 1087 struct nfsdiropargs nfs2_remove_args; | |
| 1088 | |
| 1089 /* RFS_RENAME = 11 */ | |
| 1090 struct nfsrnmargs nfs2_rename_args; | |
| 1091 | |
| 1092 /* RFS_LINK = 12 */ | |
| 1093 struct nfslinkargs nfs2_link_args; | |
| 1094 | |
| 1095 /* RFS_SYMLINK = 13 */ | |
| 1096 struct nfsslargs nfs2_symlink_args; | |
| 1097 | |
| 1098 /* RFS_MKDIR = 14 */ | |
| 1099 struct nfscreatargs nfs2_mkdir_args; | |
| 1100 | |
| 1101 /* RFS_RMDIR = 15 */ | |
| 1102 struct nfsdiropargs nfs2_rmdir_args; | |
| 1103 | |
| 1104 /* RFS_READDIR = 16 */ | |
| 1105 struct nfsrddirargs nfs2_readdir_args; | |
| 1106 | |
| 1107 /* RFS_STATFS = 17 */ | |
| 1108 fhandle_t nfs2_statfs_args; | |
| 1109 | |
| 1110 /* | |
| 1111 * NFS VERSION 3 | |
| 1112 */ | |
| 1113 | |
| 1114 /* RFS_NULL = 0 */ | |
| 1115 | |
| 1116 /* RFS3_GETATTR = 1 */ | |
| 1117 GETATTR3args nfs3_getattr_args; | |
| 1118 | |
| 1119 /* RFS3_SETATTR = 2 */ | |
| 1120 SETATTR3args nfs3_setattr_args; | |
| 1121 | |
| 1122 /* RFS3_LOOKUP = 3 */ | |
| 1123 LOOKUP3args nfs3_lookup_args; | |
| 1124 | |
| 1125 /* RFS3_ACCESS = 4 */ | |
| 1126 ACCESS3args nfs3_access_args; | |
| 1127 | |
| 1128 /* RFS3_READLINK = 5 */ | |
| 1129 READLINK3args nfs3_readlink_args; | |
| 1130 | |
| 1131 /* RFS3_READ = 6 */ | |
| 1132 READ3args nfs3_read_args; | |
| 1133 | |
| 1134 /* RFS3_WRITE = 7 */ | |
| 1135 WRITE3args nfs3_write_args; | |
| 1136 | |
| 1137 /* RFS3_CREATE = 8 */ | |
| 1138 CREATE3args nfs3_create_args; | |
| 1139 | |
| 1140 /* RFS3_MKDIR = 9 */ | |
| 1141 MKDIR3args nfs3_mkdir_args; | |
| 1142 | |
| 1143 /* RFS3_SYMLINK = 10 */ | |
| 1144 SYMLINK3args nfs3_symlink_args; | |
| 1145 | |
| 1146 /* RFS3_MKNOD = 11 */ | |
| 1147 MKNOD3args nfs3_mknod_args; | |
| 1148 | |
| 1149 /* RFS3_REMOVE = 12 */ | |
| 1150 REMOVE3args nfs3_remove_args; | |
| 1151 | |
| 1152 /* RFS3_RMDIR = 13 */ | |
| 1153 RMDIR3args nfs3_rmdir_args; | |
| 1154 | |
| 1155 /* RFS3_RENAME = 14 */ | |
| 1156 RENAME3args nfs3_rename_args; | |
| 1157 | |
| 1158 /* RFS3_LINK = 15 */ | |
| 1159 LINK3args nfs3_link_args; | |
| 1160 | |
| 1161 /* RFS3_READDIR = 16 */ | |
| 1162 READDIR3args nfs3_readdir_args; | |
| 1163 | |
| 1164 /* RFS3_READDIRPLUS = 17 */ | |
| 1165 READDIRPLUS3args nfs3_readdirplus_args; | |
| 1166 | |
| 1167 /* RFS3_FSSTAT = 18 */ | |
| 1168 FSSTAT3args nfs3_fsstat_args; | |
| 1169 | |
| 1170 /* RFS3_FSINFO = 19 */ | |
| 1171 FSINFO3args nfs3_fsinfo_args; | |
| 1172 | |
| 1173 /* RFS3_PATHCONF = 20 */ | |
| 1174 PATHCONF3args nfs3_pathconf_args; | |
| 1175 | |
| 1176 /* RFS3_COMMIT = 21 */ | |
| 1177 COMMIT3args nfs3_commit_args; | |
| 1178 | |
| 1179 /* | |
| 1180 * NFS VERSION 4 | |
| 1181 */ | |
| 1182 | |
| 1183 /* RFS_NULL = 0 */ | |
| 1184 | |
| 1185 /* COMPUND = 1 */ | |
| 1186 COMPOUND4args nfs4_compound_args; | |
| 1187 }; | |
| 1188 | |
| 1189 union rfs_res { | |
| 1190 /* | |
| 1191 * NFS VERSION 2 | |
| 1192 */ | |
| 1193 | |
| 1194 /* RFS_NULL = 0 */ | |
| 1195 | |
| 1196 /* RFS_GETATTR = 1 */ | |
| 1197 struct nfsattrstat nfs2_getattr_res; | |
| 1198 | |
| 1199 /* RFS_SETATTR = 2 */ | |
| 1200 struct nfsattrstat nfs2_setattr_res; | |
| 1201 | |
| 1202 /* RFS_ROOT = 3 *** NO LONGER SUPPORTED *** */ | |
| 1203 | |
| 1204 /* RFS_LOOKUP = 4 */ | |
| 1205 struct nfsdiropres nfs2_lookup_res; | |
| 1206 | |
| 1207 /* RFS_READLINK = 5 */ | |
| 1208 struct nfsrdlnres nfs2_readlink_res; | |
| 1209 | |
| 1210 /* RFS_READ = 6 */ | |
| 1211 struct nfsrdresult nfs2_read_res; | |
| 1212 | |
| 1213 /* RFS_WRITECACHE = 7 *** NO LONGER SUPPORTED *** */ | |
| 1214 | |
| 1215 /* RFS_WRITE = 8 */ | |
| 1216 struct nfsattrstat nfs2_write_res; | |
| 1217 | |
| 1218 /* RFS_CREATE = 9 */ | |
| 1219 struct nfsdiropres nfs2_create_res; | |
| 1220 | |
| 1221 /* RFS_REMOVE = 10 */ | |
| 1222 enum nfsstat nfs2_remove_res; | |
| 1223 | |
| 1224 /* RFS_RENAME = 11 */ | |
| 1225 enum nfsstat nfs2_rename_res; | |
| 1226 | |
| 1227 /* RFS_LINK = 12 */ | |
| 1228 enum nfsstat nfs2_link_res; | |
| 1229 | |
| 1230 /* RFS_SYMLINK = 13 */ | |
| 1231 enum nfsstat nfs2_symlink_res; | |
| 1232 | |
| 1233 /* RFS_MKDIR = 14 */ | |
| 1234 struct nfsdiropres nfs2_mkdir_res; | |
| 1235 | |
| 1236 /* RFS_RMDIR = 15 */ | |
| 1237 enum nfsstat nfs2_rmdir_res; | |
| 1238 | |
| 1239 /* RFS_READDIR = 16 */ | |
| 1240 struct nfsrddirres nfs2_readdir_res; | |
| 1241 | |
| 1242 /* RFS_STATFS = 17 */ | |
| 1243 struct nfsstatfs nfs2_statfs_res; | |
| 1244 | |
| 1245 /* | |
| 1246 * NFS VERSION 3 | |
| 1247 */ | |
| 1248 | |
| 1249 /* RFS_NULL = 0 */ | |
| 1250 | |
| 1251 /* RFS3_GETATTR = 1 */ | |
| 1252 GETATTR3res nfs3_getattr_res; | |
| 1253 | |
| 1254 /* RFS3_SETATTR = 2 */ | |
| 1255 SETATTR3res nfs3_setattr_res; | |
| 1256 | |
| 1257 /* RFS3_LOOKUP = 3 */ | |
| 1258 LOOKUP3res nfs3_lookup_res; | |
| 1259 | |
| 1260 /* RFS3_ACCESS = 4 */ | |
| 1261 ACCESS3res nfs3_access_res; | |
| 1262 | |
| 1263 /* RFS3_READLINK = 5 */ | |
| 1264 READLINK3res nfs3_readlink_res; | |
| 1265 | |
| 1266 /* RFS3_READ = 6 */ | |
| 1267 READ3res nfs3_read_res; | |
| 1268 | |
| 1269 /* RFS3_WRITE = 7 */ | |
| 1270 WRITE3res nfs3_write_res; | |
| 1271 | |
| 1272 /* RFS3_CREATE = 8 */ | |
| 1273 CREATE3res nfs3_create_res; | |
| 1274 | |
| 1275 /* RFS3_MKDIR = 9 */ | |
| 1276 MKDIR3res nfs3_mkdir_res; | |
| 1277 | |
| 1278 /* RFS3_SYMLINK = 10 */ | |
| 1279 SYMLINK3res nfs3_symlink_res; | |
| 1280 | |
| 1281 /* RFS3_MKNOD = 11 */ | |
| 1282 MKNOD3res nfs3_mknod_res; | |
| 1283 | |
| 1284 /* RFS3_REMOVE = 12 */ | |
| 1285 REMOVE3res nfs3_remove_res; | |
| 1286 | |
| 1287 /* RFS3_RMDIR = 13 */ | |
| 1288 RMDIR3res nfs3_rmdir_res; | |
| 1289 | |
| 1290 /* RFS3_RENAME = 14 */ | |
| 1291 RENAME3res nfs3_rename_res; | |
| 1292 | |
| 1293 /* RFS3_LINK = 15 */ | |
| 1294 LINK3res nfs3_link_res; | |
| 1295 | |
| 1296 /* RFS3_READDIR = 16 */ | |
| 1297 READDIR3res nfs3_readdir_res; | |
| 1298 | |
| 1299 /* RFS3_READDIRPLUS = 17 */ | |
| 1300 READDIRPLUS3res nfs3_readdirplus_res; | |
| 1301 | |
| 1302 /* RFS3_FSSTAT = 18 */ | |
| 1303 FSSTAT3res nfs3_fsstat_res; | |
| 1304 | |
| 1305 /* RFS3_FSINFO = 19 */ | |
| 1306 FSINFO3res nfs3_fsinfo_res; | |
| 1307 | |
| 1308 /* RFS3_PATHCONF = 20 */ | |
| 1309 PATHCONF3res nfs3_pathconf_res; | |
| 1310 | |
| 1311 /* RFS3_COMMIT = 21 */ | |
| 1312 COMMIT3res nfs3_commit_res; | |
| 1313 | |
| 1314 /* | |
| 1315 * NFS VERSION 4 | |
| 1316 */ | |
| 1317 | |
| 1318 /* RFS_NULL = 0 */ | |
| 1319 | |
| 1320 /* RFS4_COMPOUND = 1 */ | |
| 1321 COMPOUND4res nfs4_compound_res; | |
| 1322 | |
| 1323 }; | |
| 1324 | |
| 1325 static struct rpc_disptable rfs_disptable[] = { | |
| 1326 {sizeof (rfsdisptab_v2) / sizeof (rfsdisptab_v2[0]), | |
| 1327 rfscallnames_v2, | |
| 1328 &rfsproccnt_v2_ptr, rfsdisptab_v2}, | |
| 1329 {sizeof (rfsdisptab_v3) / sizeof (rfsdisptab_v3[0]), | |
| 1330 rfscallnames_v3, | |
| 1331 &rfsproccnt_v3_ptr, rfsdisptab_v3}, | |
| 1332 {sizeof (rfsdisptab_v4) / sizeof (rfsdisptab_v4[0]), | |
| 1333 rfscallnames_v4, | |
| 1334 &rfsproccnt_v4_ptr, rfsdisptab_v4}, | |
| 1335 }; | |
| 1336 | |
| 1337 /* | |
| 1338 * If nfs_portmon is set, then clients are required to use privileged | |
| 1339 * ports (ports < IPPORT_RESERVED) in order to get NFS services. | |
| 1340 * | |
| 1341 * N.B.: this attempt to carry forward the already ill-conceived notion | |
| 1342 * of privileged ports for TCP/UDP is really quite ineffectual. Not only | |
| 1343 * is it transport-dependent, it's laughably easy to spoof. If you're | |
| 1344 * really interested in security, you must start with secure RPC instead. | |
| 1345 */ | |
| 1346 static int nfs_portmon = 0; | |
| 1347 | |
| 1348 #ifdef DEBUG | |
| 1349 static int cred_hits = 0; | |
| 1350 static int cred_misses = 0; | |
| 1351 #endif | |
| 1352 | |
| 1353 | |
| 1354 #ifdef DEBUG | |
| 1355 /* | |
| 1356 * Debug code to allow disabling of rfs_dispatch() use of | |
| 1357 * fastxdrargs() and fastxdrres() calls for testing purposes. | |
| 1358 */ | |
| 1359 static int rfs_no_fast_xdrargs = 0; | |
| 1360 static int rfs_no_fast_xdrres = 0; | |
| 1361 #endif | |
| 1362 | |
| 1363 union acl_args { | |
| 1364 /* | |
| 1365 * ACL VERSION 2 | |
| 1366 */ | |
| 1367 | |
| 1368 /* ACL2_NULL = 0 */ | |
| 1369 | |
| 1370 /* ACL2_GETACL = 1 */ | |
| 1371 GETACL2args acl2_getacl_args; | |
| 1372 | |
| 1373 /* ACL2_SETACL = 2 */ | |
| 1374 SETACL2args acl2_setacl_args; | |
| 1375 | |
| 1376 /* ACL2_GETATTR = 3 */ | |
| 1377 GETATTR2args acl2_getattr_args; | |
| 1378 | |
| 1379 /* ACL2_ACCESS = 4 */ | |
| 1380 ACCESS2args acl2_access_args; | |
| 1381 | |
| 1382 /* ACL2_GETXATTRDIR = 5 */ | |
| 1383 GETXATTRDIR2args acl2_getxattrdir_args; | |
| 1384 | |
| 1385 /* | |
| 1386 * ACL VERSION 3 | |
| 1387 */ | |
| 1388 | |
| 1389 /* ACL3_NULL = 0 */ | |
| 1390 | |
| 1391 /* ACL3_GETACL = 1 */ | |
| 1392 GETACL3args acl3_getacl_args; | |
| 1393 | |
| 1394 /* ACL3_SETACL = 2 */ | |
| 1395 SETACL3args acl3_setacl; | |
| 1396 | |
| 1397 /* ACL3_GETXATTRDIR = 3 */ | |
| 1398 GETXATTRDIR3args acl3_getxattrdir_args; | |
| 1399 | |
| 1400 }; | |
| 1401 | |
| 1402 union acl_res { | |
| 1403 /* | |
| 1404 * ACL VERSION 2 | |
| 1405 */ | |
| 1406 | |
| 1407 /* ACL2_NULL = 0 */ | |
| 1408 | |
| 1409 /* ACL2_GETACL = 1 */ | |
| 1410 GETACL2res acl2_getacl_res; | |
| 1411 | |
| 1412 /* ACL2_SETACL = 2 */ | |
| 1413 SETACL2res acl2_setacl_res; | |
| 1414 | |
| 1415 /* ACL2_GETATTR = 3 */ | |
| 1416 GETATTR2res acl2_getattr_res; | |
| 1417 | |
| 1418 /* ACL2_ACCESS = 4 */ | |
| 1419 ACCESS2res acl2_access_res; | |
| 1420 | |
| 1421 /* ACL2_GETXATTRDIR = 5 */ | |
| 1422 GETXATTRDIR2args acl2_getxattrdir_res; | |
| 1423 | |
| 1424 /* | |
| 1425 * ACL VERSION 3 | |
| 1426 */ | |
| 1427 | |
| 1428 /* ACL3_NULL = 0 */ | |
| 1429 | |
| 1430 /* ACL3_GETACL = 1 */ | |
| 1431 GETACL3res acl3_getacl_res; | |
| 1432 | |
| 1433 /* ACL3_SETACL = 2 */ | |
| 1434 SETACL3res acl3_setacl_res; | |
| 1435 | |
| 1436 /* ACL3_GETXATTRDIR = 3 */ | |
| 1437 GETXATTRDIR3res acl3_getxattrdir_res; | |
| 1438 | |
| 1439 }; | |
| 1440 | |
| 1441 static bool_t | |
| 1442 auth_tooweak(struct svc_req *req, char *res) | |
| 1443 { | |
| 1444 | |
| 1445 if (req->rq_vers == NFS_VERSION && req->rq_proc == RFS_LOOKUP) { | |
| 1446 struct nfsdiropres *dr = (struct nfsdiropres *)res; | |
| 1447 if (dr->dr_status == WNFSERR_CLNT_FLAVOR) | |
| 1448 return (TRUE); | |
| 1449 } else if (req->rq_vers == NFS_V3 && req->rq_proc == NFSPROC3_LOOKUP) { | |
| 1450 LOOKUP3res *resp = (LOOKUP3res *)res; | |
| 1451 if (resp->status == WNFSERR_CLNT_FLAVOR) | |
| 1452 return (TRUE); | |
| 1453 } | |
| 1454 return (FALSE); | |
| 1455 } | |
| 1456 | |
| 74 | 1457 |
| 0 | 1458 static void |
| 1459 common_dispatch(struct svc_req *req, SVCXPRT *xprt, rpcvers_t min_vers, | |
| 1460 rpcvers_t max_vers, char *pgmname, | |
| 1461 struct rpc_disptable *disptable) | |
| 1462 { | |
| 1463 int which; | |
| 1464 rpcvers_t vers; | |
| 1465 char *args; | |
| 1466 union { | |
| 1467 union rfs_args ra; | |
| 1468 union acl_args aa; | |
| 1469 } args_buf; | |
| 1470 char *res; | |
| 1471 union { | |
| 1472 union rfs_res rr; | |
| 1473 union acl_res ar; | |
| 1474 } res_buf; | |
| 1475 struct rpcdisp *disp = NULL; | |
| 1476 int dis_flags = 0; | |
| 1477 cred_t *cr; | |
| 1478 int error = 0; | |
| 1479 int anon_ok; | |
| 1480 struct exportinfo *exi = NULL; | |
| 1481 unsigned int nfslog_rec_id; | |
| 1482 int dupstat; | |
| 1483 struct dupreq *dr; | |
| 1484 int authres; | |
| 1485 bool_t publicfh_ok = FALSE; | |
| 1486 enum_t auth_flavor; | |
| 1487 bool_t dupcached = FALSE; | |
| 1488 struct netbuf nb; | |
| 1489 bool_t logging_enabled = FALSE; | |
| 1490 struct exportinfo *nfslog_exi = NULL; | |
| 1232 | 1491 char **procnames; |
| 1492 char cbuf[INET6_ADDRSTRLEN]; /* to hold both IPv4 and IPv6 addr */ | |
| 0 | 1493 |
| 1494 vers = req->rq_vers; | |
| 1495 | |
| 1496 if (vers < min_vers || vers > max_vers) { | |
| 1497 svcerr_progvers(req->rq_xprt, min_vers, max_vers); | |
| 1498 error++; | |
| 1499 cmn_err(CE_NOTE, "%s: bad version number %u", pgmname, vers); | |
| 1500 goto done; | |
| 1501 } | |
| 1502 vers -= min_vers; | |
| 1503 | |
| 1504 which = req->rq_proc; | |
| 1505 if (which < 0 || which >= disptable[(int)vers].dis_nprocs) { | |
| 1506 svcerr_noproc(req->rq_xprt); | |
| 1507 error++; | |
| 1508 goto done; | |
| 1509 } | |
| 1510 | |
| 1511 (*(disptable[(int)vers].dis_proccntp))[which].value.ui64++; | |
| 1512 | |
| 1513 disp = &disptable[(int)vers].dis_table[which]; | |
| 1232 | 1514 procnames = disptable[(int)vers].dis_procnames; |
| 0 | 1515 |
| 1516 auth_flavor = req->rq_cred.oa_flavor; | |
| 1232 | 1517 |
| 0 | 1518 /* |
| 1519 * Deserialize into the args struct. | |
| 1520 */ | |
| 1521 args = (char *)&args_buf; | |
| 74 | 1522 |
| 0 | 1523 #ifdef DEBUG |
| 1524 if (rfs_no_fast_xdrargs || (auth_flavor == RPCSEC_GSS) || | |
| 1525 disp->dis_fastxdrargs == NULL_xdrproc_t || | |
|
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1526 !SVC_GETARGS(xprt, disp->dis_fastxdrargs, (char *)&args)) |
| 0 | 1527 #else |
| 1528 if ((auth_flavor == RPCSEC_GSS) || | |
| 1529 disp->dis_fastxdrargs == NULL_xdrproc_t || | |
|
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1530 !SVC_GETARGS(xprt, disp->dis_fastxdrargs, (char *)&args)) |
| 0 | 1531 #endif |
|
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1532 { |
| 0 | 1533 bzero(args, disp->dis_argsz); |
| 1534 if (!SVC_GETARGS(xprt, disp->dis_xdrargs, args)) { | |
|
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1535 error++; |
|
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1536 /* |
|
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1537 * Check if we are outside our capabilities. |
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1538 */ |
|
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1539 if (rfs4_minorvers_mismatch(req, xprt, (void *)args)) |
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1540 goto done; |
|
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1541 |
| 0 | 1542 svcerr_decode(xprt); |
| 1232 | 1543 cmn_err(CE_NOTE, |
| 1544 "Failed to decode arguments for %s version %u " | |
| 1545 "procedure %s client %s%s", | |
| 1546 pgmname, vers + min_vers, procnames[which], | |
| 1547 client_name(req), client_addr(req, cbuf)); | |
| 0 | 1548 goto done; |
| 1549 } | |
| 1550 } | |
| 1551 | |
| 1552 /* | |
| 74 | 1553 * If Version 4 use that specific dispatch function. |
| 0 | 1554 */ |
| 74 | 1555 if (req->rq_vers == 4) { |
| 1556 error += rfs4_dispatch(disp, req, xprt, args); | |
| 1557 goto done; | |
| 1558 } | |
| 1559 | |
| 1560 dis_flags = disp->dis_flags; | |
| 0 | 1561 |
| 1562 /* | |
| 1563 * Find export information and check authentication, | |
| 1564 * setting the credential if everything is ok. | |
| 1565 */ | |
| 1566 if (disp->dis_getfh != NULL) { | |
|
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1567 void *fh; |
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1568 fsid_t *fsid; |
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1569 fid_t *fid, *xfid; |
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1570 fhandle_t *fh2; |
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1571 nfs_fh3 *fh3; |
| 0 | 1572 |
| 1573 fh = (*disp->dis_getfh)(args); | |
|
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1574 switch (req->rq_vers) { |
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1575 case NFS_VERSION: |
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1576 fh2 = (fhandle_t *)fh; |
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1577 fsid = &fh2->fh_fsid; |
|
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1578 fid = (fid_t *)&fh2->fh_len; |
|
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1579 xfid = (fid_t *)&fh2->fh_xlen; |
|
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1580 break; |
|
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1581 case NFS_V3: |
|
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1582 fh3 = (nfs_fh3 *)fh; |
|
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1583 fsid = &fh3->fh3_fsid; |
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1584 fid = FH3TOFIDP(fh3); |
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1585 xfid = FH3TOXFIDP(fh3); |
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1586 break; |
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1587 } |
| 0 | 1588 |
| 1589 /* | |
| 1590 * Fix for bug 1038302 - corbin | |
| 1591 * There is a problem here if anonymous access is | |
| 1592 * disallowed. If the current request is part of the | |
| 1593 * client's mount process for the requested filesystem, | |
| 1594 * then it will carry root (uid 0) credentials on it, and | |
| 1595 * will be denied by checkauth if that client does not | |
| 1596 * have explicit root=0 permission. This will cause the | |
| 1597 * client's mount operation to fail. As a work-around, | |
| 1598 * we check here to see if the request is a getattr or | |
| 1599 * statfs operation on the exported vnode itself, and | |
| 1600 * pass a flag to checkauth with the result of this test. | |
| 1601 * | |
| 1602 * The filehandle refers to the mountpoint itself if | |
| 1603 * the fh_data and fh_xdata portions of the filehandle | |
| 1604 * are equal. | |
| 1605 * | |
| 1606 * Added anon_ok argument to checkauth(). | |
| 1607 */ | |
| 1608 | |
|
1610
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1609 if ((dis_flags & RPC_ALLOWANON) && EQFID(fid, xfid)) |
| 0 | 1610 anon_ok = 1; |
| 1611 else | |
| 1612 anon_ok = 0; | |
| 1613 | |
| 1614 cr = xprt->xp_cred; | |
| 1615 ASSERT(cr != NULL); | |
| 1616 #ifdef DEBUG | |
| 1617 if (crgetref(cr) != 1) { | |
| 1618 crfree(cr); | |
| 1619 cr = crget(); | |
| 1620 xprt->xp_cred = cr; | |
| 1621 cred_misses++; | |
| 1622 } else | |
| 1623 cred_hits++; | |
| 1624 #else | |
| 1625 if (crgetref(cr) != 1) { | |
| 1626 crfree(cr); | |
| 1627 cr = crget(); | |
| 1628 xprt->xp_cred = cr; | |
| 1629 } | |
| 1630 #endif | |
| 1631 | |
|
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1632 exi = checkexport(fsid, xfid); |
| 74 | 1633 |
| 0 | 1634 if (exi != NULL) { |
|
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1635 publicfh_ok = PUBLICFH_CHECK(disp, exi, fsid, xfid); |
| 0 | 1636 |
| 1637 /* | |
| 1638 * Don't allow non-V4 clients access | |
| 1639 * to pseudo exports | |
| 1640 */ | |
| 1641 if (PSEUDO(exi)) { | |
| 1642 svcerr_weakauth(xprt); | |
| 1643 error++; | |
| 1644 goto done; | |
| 1645 } | |
| 1646 | |
| 1647 authres = checkauth(exi, req, cr, anon_ok, publicfh_ok); | |
| 1648 /* | |
| 1649 * authres > 0: authentication OK - proceed | |
| 1650 * authres == 0: authentication weak - return error | |
| 1651 * authres < 0: authentication timeout - drop | |
| 1652 */ | |
| 1653 if (authres <= 0) { | |
| 1654 if (authres == 0) { | |
| 1655 svcerr_weakauth(xprt); | |
| 1656 error++; | |
| 1657 } | |
| 1658 goto done; | |
| 1659 } | |
|
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1660 |
|
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1661 /* check to see if we might need charmap */ |
|
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1662 if (exi->exi_export.ex_flags & EX_CHARMAP) { |
|
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1663 struct sockaddr *ca; |
|
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1664 ca = (struct sockaddr *) |
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1665 svc_getrpccaller(req->rq_xprt)->buf; |
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1666 (void) nfscmd_charmap(exi, ca); |
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1667 } |
| 0 | 1668 } |
| 1669 } else | |
| 1670 cr = NULL; | |
| 1671 | |
| 1672 if ((dis_flags & RPC_MAPRESP) && (auth_flavor != RPCSEC_GSS)) { | |
| 1673 res = (char *)SVC_GETRES(xprt, disp->dis_ressz); | |
| 1674 if (res == NULL) | |
| 1675 res = (char *)&res_buf; | |
| 1676 } else | |
| 1677 res = (char *)&res_buf; | |
| 1678 | |
| 1679 if (!(dis_flags & RPC_IDEMPOTENT)) { | |
| 1680 dupstat = SVC_DUP_EXT(xprt, req, res, disp->dis_ressz, &dr, | |
|
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1681 &dupcached); |
| 0 | 1682 |
| 1683 switch (dupstat) { | |
| 1684 case DUP_ERROR: | |
| 1685 svcerr_systemerr(xprt); | |
| 1686 error++; | |
| 1687 goto done; | |
| 1688 /* NOTREACHED */ | |
| 1689 case DUP_INPROGRESS: | |
| 1690 if (res != (char *)&res_buf) | |
| 1691 SVC_FREERES(xprt); | |
| 1692 error++; | |
| 1693 goto done; | |
| 1694 /* NOTREACHED */ | |
| 1695 case DUP_NEW: | |
| 1696 case DUP_DROP: | |
| 1697 curthread->t_flag |= T_DONTPEND; | |
| 74 | 1698 |
| 0 | 1699 (*disp->dis_proc)(args, res, exi, req, cr); |
| 74 | 1700 |
| 0 | 1701 curthread->t_flag &= ~T_DONTPEND; |
| 1702 if (curthread->t_flag & T_WOULDBLOCK) { | |
| 1703 curthread->t_flag &= ~T_WOULDBLOCK; | |
| 1704 SVC_DUPDONE_EXT(xprt, dr, res, NULL, | |
|
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1705 disp->dis_ressz, DUP_DROP); |
| 0 | 1706 if (res != (char *)&res_buf) |
| 1707 SVC_FREERES(xprt); | |
| 1708 error++; | |
| 1709 goto done; | |
| 1710 } | |
| 1711 if (dis_flags & RPC_AVOIDWORK) { | |
| 1712 SVC_DUPDONE_EXT(xprt, dr, res, NULL, | |
|
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1713 disp->dis_ressz, DUP_DROP); |
| 0 | 1714 } else { |
| 1715 SVC_DUPDONE_EXT(xprt, dr, res, | |
|
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1716 disp->dis_resfree == nullfree ? NULL : |
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1717 disp->dis_resfree, |
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1718 disp->dis_ressz, DUP_DONE); |
| 0 | 1719 dupcached = TRUE; |
| 1720 } | |
| 1721 break; | |
| 1722 case DUP_DONE: | |
| 1723 break; | |
| 1724 } | |
| 1725 | |
| 1726 } else { | |
| 1727 curthread->t_flag |= T_DONTPEND; | |
| 74 | 1728 |
| 0 | 1729 (*disp->dis_proc)(args, res, exi, req, cr); |
| 74 | 1730 |
| 0 | 1731 curthread->t_flag &= ~T_DONTPEND; |
| 1732 if (curthread->t_flag & T_WOULDBLOCK) { | |
| 1733 curthread->t_flag &= ~T_WOULDBLOCK; | |
| 1734 if (res != (char *)&res_buf) | |
| 1735 SVC_FREERES(xprt); | |
| 1736 error++; | |
| 1737 goto done; | |
| 1738 } | |
| 1739 } | |
| 1740 | |
| 1741 if (auth_tooweak(req, res)) { | |
| 1742 svcerr_weakauth(xprt); | |
| 1743 error++; | |
| 1744 goto done; | |
| 1745 } | |
| 1746 | |
| 1747 /* | |
| 1748 * Check to see if logging has been enabled on the server. | |
| 1749 * If so, then obtain the export info struct to be used for | |
| 1750 * the later writing of the log record. This is done for | |
| 1751 * the case that a lookup is done across a non-logged public | |
| 1752 * file system. | |
| 1753 */ | |
| 1754 if (nfslog_buffer_list != NULL) { | |
| 1755 nfslog_exi = nfslog_get_exi(exi, req, res, &nfslog_rec_id); | |
| 1756 /* | |
| 1757 * Is logging enabled? | |
| 1758 */ | |
| 1759 logging_enabled = (nfslog_exi != NULL); | |
| 1760 | |
| 1761 /* | |
| 1762 * Copy the netbuf for logging purposes, before it is | |
| 1763 * freed by svc_sendreply(). | |
| 1764 */ | |
| 1765 if (logging_enabled) { | |
| 1766 NFSLOG_COPY_NETBUF(nfslog_exi, xprt, &nb); | |
| 1767 /* | |
| 1768 * If RPC_MAPRESP flag set (i.e. in V2 ops) the | |
| 1769 * res gets copied directly into the mbuf and | |
| 1770 * may be freed soon after the sendreply. So we | |
| 1771 * must copy it here to a safe place... | |
| 1772 */ | |
| 1773 if (res != (char *)&res_buf) { | |
| 1774 bcopy(res, (char *)&res_buf, disp->dis_ressz); | |
| 1775 } | |
| 1776 } | |
| 1777 } | |
| 1778 | |
| 1779 /* | |
| 1780 * Serialize and send results struct | |
| 1781 */ | |
| 1782 #ifdef DEBUG | |
|
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1783 if (rfs_no_fast_xdrres == 0 && res != (char *)&res_buf) |
| 0 | 1784 #else |
|
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1785 if (res != (char *)&res_buf) |
| 0 | 1786 #endif |
|
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1787 { |
| 0 | 1788 if (!svc_sendreply(xprt, disp->dis_fastxdrres, res)) { |
| 1789 cmn_err(CE_NOTE, "%s: bad sendreply", pgmname); | |
| 1790 error++; | |
| 1791 } | |
| 1792 } else { | |
| 1793 if (!svc_sendreply(xprt, disp->dis_xdrres, res)) { | |
| 1794 cmn_err(CE_NOTE, "%s: bad sendreply", pgmname); | |
| 1795 error++; | |
| 1796 } | |
| 1797 } | |
| 1798 | |
| 1799 /* | |
| 1800 * Log if needed | |
| 1801 */ | |
| 1802 if (logging_enabled) { | |
| 1803 nfslog_write_record(nfslog_exi, req, args, (char *)&res_buf, | |
|
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1804 cr, &nb, nfslog_rec_id, NFSLOG_ONE_BUFFER); |
| 0 | 1805 exi_rele(nfslog_exi); |
| 1806 kmem_free((&nb)->buf, (&nb)->len); | |
| 1807 } | |
| 1808 | |
| 1809 /* | |
| 1810 * Free results struct. With the addition of NFS V4 we can | |
| 1811 * have non-idempotent procedures with functions. | |
| 1812 */ | |
| 1813 if (disp->dis_resfree != nullfree && dupcached == FALSE) { | |
| 1814 (*disp->dis_resfree)(res); | |
| 1815 } | |
| 1816 | |
| 1817 done: | |
| 1818 /* | |
| 1819 * Free arguments struct | |
| 1820 */ | |
| 1821 if (disp) { | |
| 1822 if (!SVC_FREEARGS(xprt, disp->dis_xdrargs, args)) { | |
| 1823 cmn_err(CE_NOTE, "%s: bad freeargs", pgmname); | |
| 1824 error++; | |
| 1825 } | |
| 1826 } else { | |
| 1827 if (!SVC_FREEARGS(xprt, (xdrproc_t)0, (caddr_t)0)) { | |
| 1828 cmn_err(CE_NOTE, "%s: bad freeargs", pgmname); | |
| 1829 error++; | |
| 1830 } | |
| 1831 } | |
| 1832 | |
| 1833 if (exi != NULL) | |
| 1834 exi_rele(exi); | |
| 1835 | |
| 1836 global_svstat_ptr[req->rq_vers][NFS_BADCALLS].value.ui64 += error; | |
| 1837 | |
| 1838 global_svstat_ptr[req->rq_vers][NFS_CALLS].value.ui64++; | |
| 1839 } | |
| 1840 | |
| 1841 static void | |
| 1842 rfs_dispatch(struct svc_req *req, SVCXPRT *xprt) | |
| 1843 { | |
| 1844 common_dispatch(req, xprt, NFS_VERSMIN, NFS_VERSMAX, | |
|
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1845 "NFS", rfs_disptable); |
| 0 | 1846 } |
| 1847 | |
| 1848 static char *aclcallnames_v2[] = { | |
| 1849 "ACL2_NULL", | |
| 1850 "ACL2_GETACL", | |
| 1851 "ACL2_SETACL", | |
| 1852 "ACL2_GETATTR", | |
| 1853 "ACL2_ACCESS", | |
| 1854 "ACL2_GETXATTRDIR" | |
| 1855 }; | |
| 1856 | |
| 1857 static struct rpcdisp acldisptab_v2[] = { | |
| 1858 /* | |
| 1859 * ACL VERSION 2 | |
| 1860 */ | |
| 1861 | |
| 1862 /* ACL2_NULL = 0 */ | |
| 1863 {rpc_null, | |
| 1864 xdr_void, NULL_xdrproc_t, 0, | |
| 1865 xdr_void, NULL_xdrproc_t, 0, | |
| 1866 nullfree, RPC_IDEMPOTENT, | |
| 1867 0}, | |
| 1868 | |
| 1869 /* ACL2_GETACL = 1 */ | |
| 1870 {acl2_getacl, | |
| 1871 xdr_GETACL2args, xdr_fastGETACL2args, sizeof (GETACL2args), | |
| 1872 xdr_GETACL2res, NULL_xdrproc_t, sizeof (GETACL2res), | |
| 1873 acl2_getacl_free, RPC_IDEMPOTENT, | |
| 1874 acl2_getacl_getfh}, | |
| 1875 | |
| 1876 /* ACL2_SETACL = 2 */ | |
| 1877 {acl2_setacl, | |
| 1878 xdr_SETACL2args, NULL_xdrproc_t, sizeof (SETACL2args), | |
| 1879 #ifdef _LITTLE_ENDIAN | |
| 1880 xdr_SETACL2res, xdr_fastSETACL2res, sizeof (SETACL2res), | |
| 1881 #else | |
| 1882 xdr_SETACL2res, NULL_xdrproc_t, sizeof (SETACL2res), | |
| 1883 #endif | |
| 1884 nullfree, RPC_MAPRESP, | |
| 1885 acl2_setacl_getfh}, | |
| 1886 | |
| 1887 /* ACL2_GETATTR = 3 */ | |
| 1888 {acl2_getattr, | |
| 1889 xdr_GETATTR2args, xdr_fastGETATTR2args, sizeof (GETATTR2args), | |
| 1890 #ifdef _LITTLE_ENDIAN | |
| 1891 xdr_GETATTR2res, xdr_fastGETATTR2res, sizeof (GETATTR2res), | |
| 1892 #else | |
| 1893 xdr_GETATTR2res, NULL_xdrproc_t, sizeof (GETATTR2res), | |
| 1894 #endif | |
| 1895 nullfree, RPC_IDEMPOTENT|RPC_ALLOWANON|RPC_MAPRESP, | |
| 1896 acl2_getattr_getfh}, | |
| 1897 | |
| 1898 /* ACL2_ACCESS = 4 */ | |
| 1899 {acl2_access, | |
| 1900 xdr_ACCESS2args, xdr_fastACCESS2args, sizeof (ACCESS2args), | |
| 1901 #ifdef _LITTLE_ENDIAN | |
| 1902 xdr_ACCESS2res, xdr_fastACCESS2res, sizeof (ACCESS2res), | |
| 1903 #else | |
| 1904 xdr_ACCESS2res, NULL_xdrproc_t, sizeof (ACCESS2res), | |
| 1905 #endif | |
| 1906 nullfree, RPC_IDEMPOTENT|RPC_MAPRESP, | |
| 1907 acl2_access_getfh}, | |
| 1908 | |
| 1909 /* ACL2_GETXATTRDIR = 5 */ | |
| 1910 {acl2_getxattrdir, | |
| 1911 xdr_GETXATTRDIR2args, NULL_xdrproc_t, sizeof (GETXATTRDIR2args), | |
| 1912 xdr_GETXATTRDIR2res, NULL_xdrproc_t, sizeof (GETXATTRDIR2res), | |
| 1913 nullfree, RPC_IDEMPOTENT, | |
| 1914 acl2_getxattrdir_getfh}, | |
| 1915 }; | |
| 1916 | |
| 1917 static char *aclcallnames_v3[] = { | |
| 1918 "ACL3_NULL", | |
| 1919 "ACL3_GETACL", | |
| 1920 "ACL3_SETACL", | |
| 1921 "ACL3_GETXATTRDIR" | |
| 1922 }; | |
| 1923 | |
| 1924 static struct rpcdisp acldisptab_v3[] = { | |
| 1925 /* | |
| 1926 * ACL VERSION 3 | |
| 1927 */ | |
| 1928 | |
| 1929 /* ACL3_NULL = 0 */ | |
| 1930 {rpc_null, | |
| 1931 xdr_void, NULL_xdrproc_t, 0, | |
| 1932 xdr_void, NULL_xdrproc_t, 0, | |
| 1933 nullfree, RPC_IDEMPOTENT, | |
| 1934 0}, | |
| 1935 | |
| 1936 /* ACL3_GETACL = 1 */ | |
| 1937 {acl3_getacl, | |
| 1938 xdr_GETACL3args, NULL_xdrproc_t, sizeof (GETACL3args), | |
| 1939 xdr_GETACL3res, NULL_xdrproc_t, sizeof (GETACL3res), | |
| 1940 acl3_getacl_free, RPC_IDEMPOTENT, | |
| 1941 acl3_getacl_getfh}, | |
| 1942 | |
| 1943 /* ACL3_SETACL = 2 */ | |
| 1944 {acl3_setacl, | |
| 1945 xdr_SETACL3args, NULL_xdrproc_t, sizeof (SETACL3args), | |
| 1946 xdr_SETACL3res, NULL_xdrproc_t, sizeof (SETACL3res), | |
| 1947 nullfree, 0, | |
| 1948 acl3_setacl_getfh}, | |
| 1949 | |
| 1950 /* ACL3_GETXATTRDIR = 3 */ | |
| 1951 {acl3_getxattrdir, | |
| 1952 xdr_GETXATTRDIR3args, NULL_xdrproc_t, sizeof (GETXATTRDIR3args), | |
| 1953 xdr_GETXATTRDIR3res, NULL_xdrproc_t, sizeof (GETXATTRDIR3res), | |
| 1954 nullfree, RPC_IDEMPOTENT, | |
| 1955 acl3_getxattrdir_getfh}, | |
| 1956 }; | |
| 1957 | |
| 1958 static struct rpc_disptable acl_disptable[] = { | |
| 1959 {sizeof (acldisptab_v2) / sizeof (acldisptab_v2[0]), | |
| 1960 aclcallnames_v2, | |
| 1961 &aclproccnt_v2_ptr, acldisptab_v2}, | |
| 1962 {sizeof (acldisptab_v3) / sizeof (acldisptab_v3[0]), | |
| 1963 aclcallnames_v3, | |
| 1964 &aclproccnt_v3_ptr, acldisptab_v3}, | |
| 1965 }; | |
| 1966 | |
| 1967 static void | |
| 1968 acl_dispatch(struct svc_req *req, SVCXPRT *xprt) | |
| 1969 { | |
| 1970 common_dispatch(req, xprt, NFS_ACL_VERSMIN, NFS_ACL_VERSMAX, | |
|
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1971 "ACL", acl_disptable); |
| 0 | 1972 } |
| 1973 | |
| 1974 int | |
| 1975 checkwin(int flavor, int window, struct svc_req *req) | |
| 1976 { | |
| 1977 struct authdes_cred *adc; | |
| 1978 | |
| 1979 switch (flavor) { | |
| 1980 case AUTH_DES: | |
| 1981 adc = (struct authdes_cred *)req->rq_clntcred; | |
| 1982 if (adc->adc_fullname.window > window) | |
| 1983 return (0); | |
| 1984 break; | |
| 1985 | |
| 1986 default: | |
| 1987 break; | |
| 1988 } | |
| 1989 return (1); | |
| 1990 } | |
| 1991 | |
| 1992 | |
| 1993 /* | |
| 1994 * checkauth() will check the access permission against the export | |
| 1995 * information. Then map root uid/gid to appropriate uid/gid. | |
| 1996 * | |
| 1997 * This routine is used by NFS V3 and V2 code. | |
| 1998 */ | |
| 1999 static int | |
| 2000 checkauth(struct exportinfo *exi, struct svc_req *req, cred_t *cr, int anon_ok, | |
| 2001 bool_t publicfh_ok) | |
| 2002 { | |
| 2003 int i, nfsflavor, rpcflavor, stat, access; | |
| 2004 struct secinfo *secp; | |
| 2005 caddr_t principal; | |
| 2006 char buf[INET6_ADDRSTRLEN]; /* to hold both IPv4 and IPv6 addr */ | |
| 2007 int anon_res = 0; | |
| 2008 | |
| 2009 /* | |
| 2010 * Check for privileged port number | |
| 2011 * N.B.: this assumes that we know the format of a netbuf. | |
| 2012 */ | |
| 2013 if (nfs_portmon) { | |
| 2014 struct sockaddr *ca; | |
| 2015 ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; | |
| 2016 | |
| 2017 if (ca == NULL) | |
| 2018 return (0); | |
| 2019 | |
| 2020 if ((ca->sa_family == AF_INET && | |
| 2021 ntohs(((struct sockaddr_in *)ca)->sin_port) >= | |
| 2022 IPPORT_RESERVED) || | |
| 2023 (ca->sa_family == AF_INET6 && | |
| 2024 ntohs(((struct sockaddr_in6 *)ca)->sin6_port) >= | |
| 2025 IPPORT_RESERVED)) { | |
| 2026 cmn_err(CE_NOTE, | |
| 2027 "nfs_server: client %s%ssent NFS request from " | |
| 2028 "unprivileged port", | |
| 2029 client_name(req), client_addr(req, buf)); | |
| 2030 return (0); | |
| 2031 } | |
| 2032 } | |
| 2033 | |
| 2034 /* | |
| 2035 * return 1 on success or 0 on failure | |
| 2036 */ | |
| 2037 stat = sec_svc_getcred(req, cr, &principal, &nfsflavor); | |
| 2038 | |
| 2039 /* | |
| 2040 * A failed AUTH_UNIX svc_get_cred() implies we couldn't set | |
| 2041 * the credentials; below we map that to anonymous. | |
| 2042 */ | |
| 2043 if (!stat && nfsflavor != AUTH_UNIX) { | |
| 2044 cmn_err(CE_NOTE, | |
| 2045 "nfs_server: couldn't get unix cred for %s", | |
| 2046 client_name(req)); | |
| 2047 return (0); | |
| 2048 } | |
| 2049 | |
| 2050 /* | |
| 2051 * Short circuit checkauth() on operations that support the | |
| 2052 * public filehandle, and if the request for that operation | |
| 2053 * is using the public filehandle. Note that we must call | |
| 2054 * sec_svc_getcred() first so that xp_cookie is set to the | |
| 2055 * right value. Normally xp_cookie is just the RPC flavor | |
| 2056 * of the the request, but in the case of RPCSEC_GSS it | |
| 2057 * could be a pseudo flavor. | |
| 2058 */ | |
| 2059 if (publicfh_ok) | |
| 2060 return (1); | |
| 2061 | |
| 2062 rpcflavor = req->rq_cred.oa_flavor; | |
| 2063 /* | |
| 2064 * Check if the auth flavor is valid for this export | |
| 2065 */ | |
| 2066 access = nfsauth_access(exi, req); | |
| 2067 if (access & NFSAUTH_DROP) | |
| 2068 return (-1); /* drop the request */ | |
| 2069 | |
| 2070 if (access & NFSAUTH_DENIED) { | |
| 2071 /* | |
| 2072 * If anon_ok == 1 and we got NFSAUTH_DENIED, it was | |
| 2073 * probably due to the flavor not matching during the | |
| 2074 * the mount attempt. So map the flavor to AUTH_NONE | |
| 2075 * so that the credentials get mapped to the anonymous | |
| 2076 * user. | |
| 2077 */ | |
| 2078 if (anon_ok == 1) | |
| 2079 rpcflavor = AUTH_NONE; | |
| 2080 else | |
| 2081 return (0); /* deny access */ | |
| 2082 | |
| 2083 } else if (access & NFSAUTH_MAPNONE) { | |
| 2084 /* | |
| 2085 * Access was granted even though the flavor mismatched | |
| 2086 * because AUTH_NONE was one of the exported flavors. | |
| 2087 */ | |
| 2088 rpcflavor = AUTH_NONE; | |
| 2089 | |
| 2090 } else if (access & NFSAUTH_WRONGSEC) { | |
| 2091 /* | |
|
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2092 * NFSAUTH_WRONGSEC is used for NFSv4. If we get here, |
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2093 * it means a client ignored the list of allowed flavors |
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2094 * returned via the MOUNT protocol. So we just disallow it! |
| 0 | 2095 */ |
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2096 return (0); |
| 0 | 2097 } |
| 2098 | |
| 2099 switch (rpcflavor) { | |
| 2100 case AUTH_NONE: | |
| 2101 anon_res = crsetugid(cr, exi->exi_export.ex_anon, | |
|
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2102 exi->exi_export.ex_anon); |
| 0 | 2103 (void) crsetgroups(cr, 0, NULL); |
| 2104 break; | |
| 2105 | |
| 2106 case AUTH_UNIX: | |
| 2107 if (!stat || crgetuid(cr) == 0 && !(access & NFSAUTH_ROOT)) { | |
| 2108 anon_res = crsetugid(cr, exi->exi_export.ex_anon, | |
|
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2109 exi->exi_export.ex_anon); |
| 0 | 2110 (void) crsetgroups(cr, 0, NULL); |
|
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2111 } else if (!stat || crgetuid(cr) == 0 && |
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2112 access & NFSAUTH_ROOT) { |
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2113 /* |
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2114 * It is root, so apply rootid to get real UID |
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2115 * Find the secinfo structure. We should be able |
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2116 * to find it by the time we reach here. |
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2117 * nfsauth_access() has done the checking. |
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2118 */ |
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2119 secp = NULL; |
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2120 for (i = 0; i < exi->exi_export.ex_seccnt; i++) { |
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2121 struct secinfo *sptr; |
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2122 sptr = &exi->exi_export.ex_secinfo[i]; |
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2123 if (sptr->s_secinfo.sc_nfsnum == nfsflavor) { |
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2124 secp = sptr; |
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2125 break; |
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2126 } |
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2127 } |
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2128 if (secp != NULL) { |
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2129 (void) crsetugid(cr, secp->s_rootid, |
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2130 secp->s_rootid); |
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2131 (void) crsetgroups(cr, 0, NULL); |
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2132 } |
| 0 | 2133 } |
| 2134 break; | |
| 2135 | |
| 2136 case AUTH_DES: | |
| 2137 case RPCSEC_GSS: | |
| 2138 /* | |
| 2139 * Find the secinfo structure. We should be able | |
| 2140 * to find it by the time we reach here. | |
| 2141 * nfsauth_access() has done the checking. | |
| 2142 */ | |
| 2143 secp = NULL; | |
| 2144 for (i = 0; i < exi->exi_export.ex_seccnt; i++) { | |
| 2145 if (exi->exi_export.ex_secinfo[i].s_secinfo.sc_nfsnum == | |
| 2146 nfsflavor) { | |
| 2147 secp = &exi->exi_export.ex_secinfo[i]; | |
| 2148 break; | |
| 2149 } | |
| 2150 } | |
| 2151 | |
| 2152 if (!secp) { | |
| 2153 cmn_err(CE_NOTE, "nfs_server: client %s%shad " | |
| 2154 "no secinfo data for flavor %d", | |
| 2155 client_name(req), client_addr(req, buf), | |
| 2156 nfsflavor); | |
| 2157 return (0); | |
| 2158 } | |
| 2159 | |
| 2160 if (!checkwin(rpcflavor, secp->s_window, req)) { | |
| 2161 cmn_err(CE_NOTE, | |
| 2162 "nfs_server: client %s%sused invalid " | |
| 2163 "auth window value", | |
| 2164 client_name(req), client_addr(req, buf)); | |
| 2165 return (0); | |
| 2166 } | |
| 2167 | |
| 2168 /* | |
| 2169 * Map root principals listed in the share's root= list to root, | |
| 2170 * and map any others principals that were mapped to root by RPC | |
| 2171 * to anon. | |
| 2172 */ | |
| 2173 if (principal && sec_svc_inrootlist(rpcflavor, principal, | |
|
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2174 secp->s_rootcnt, secp->s_rootnames)) { |
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2175 if (crgetuid(cr) == 0 && secp->s_rootid == 0) |
| 0 | 2176 return (1); |
| 2177 | |
|
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2178 |
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2179 (void) crsetugid(cr, secp->s_rootid, secp->s_rootid); |
| 0 | 2180 |
| 2181 /* | |
| 2182 * NOTE: If and when kernel-land privilege tracing is | |
| 2183 * added this may have to be replaced with code that | |
| 2184 * retrieves root's supplementary groups (e.g., using | |
| 2185 * kgss_get_group_info(). In the meantime principals | |
| 2186 * mapped to uid 0 get all privileges, so setting cr's | |
| 2187 * supplementary groups for them does nothing. | |
| 2188 */ | |
| 2189 (void) crsetgroups(cr, 0, NULL); | |
| 2190 | |
| 2191 return (1); | |
| 2192 } | |
| 2193 | |
| 2194 /* | |
| 2195 * Not a root princ, or not in root list, map UID 0/nobody to | |
| 2196 * the anon ID for the share. (RPC sets cr's UIDs and GIDs to | |
| 2197 * UID_NOBODY and GID_NOBODY, respectively.) | |
| 2198 */ | |
| 2199 if (crgetuid(cr) != 0 && | |
| 2200 (crgetuid(cr) != UID_NOBODY || crgetgid(cr) != GID_NOBODY)) | |
| 2201 return (1); | |
| 2202 | |
| 2203 anon_res = crsetugid(cr, exi->exi_export.ex_anon, | |
|
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2204 exi->exi_export.ex_anon); |
| 0 | 2205 (void) crsetgroups(cr, 0, NULL); |
| 2206 break; | |
| 2207 default: | |
| 2208 return (0); | |
| 2209 } /* switch on rpcflavor */ | |
| 2210 | |
| 2211 /* | |
| 2212 * Even if anon access is disallowed via ex_anon == -1, we allow | |
| 2213 * this access if anon_ok is set. So set creds to the default | |
| 2214 * "nobody" id. | |
| 2215 */ | |
| 2216 if (anon_res != 0) { | |
| 2217 if (anon_ok == 0) { | |
| 2218 cmn_err(CE_NOTE, | |
| 2219 "nfs_server: client %s%ssent wrong " | |
| 2220 "authentication for %s", | |
| 2221 client_name(req), client_addr(req, buf), | |
| 2222 exi->exi_export.ex_path ? | |
| 2223 exi->exi_export.ex_path : "?"); | |
| 2224 return (0); | |
| 2225 } | |
| 2226 | |
| 2227 if (crsetugid(cr, UID_NOBODY, GID_NOBODY) != 0) | |
| 2228 return (0); | |
| 2229 } | |
| 2230 | |
| 2231 return (1); | |
| 2232 } | |
| 2233 | |
| 2234 /* | |
| 2235 * returns 0 on failure, -1 on a drop, -2 on wrong security flavor, | |
| 2236 * and 1 on success | |
| 2237 */ | |
| 2238 int | |
| 2239 checkauth4(struct compound_state *cs, struct svc_req *req) | |
| 2240 { | |
| 2241 int i, rpcflavor, access; | |
| 2242 struct secinfo *secp; | |
| 2243 char buf[MAXHOST + 1]; | |
| 2244 int anon_res = 0, nfsflavor; | |
| 2245 struct exportinfo *exi; | |
| 2246 cred_t *cr; | |
| 2247 caddr_t principal; | |
| 2248 | |
| 2249 exi = cs->exi; | |
| 2250 cr = cs->cr; | |
| 2251 principal = cs->principal; | |
| 2252 nfsflavor = cs->nfsflavor; | |
| 2253 | |
| 2254 ASSERT(cr != NULL); | |
| 2255 | |
| 2256 rpcflavor = req->rq_cred.oa_flavor; | |
| 2257 cs->access &= ~CS_ACCESS_LIMITED; | |
| 2258 | |
| 2259 /* | |
| 2260 * Check the access right per auth flavor on the vnode of | |
| 2261 * this export for the given request. | |
| 2262 */ | |
| 2263 access = nfsauth4_access(cs->exi, cs->vp, req); | |
| 2264 | |
| 2265 if (access & NFSAUTH_WRONGSEC) | |
| 2266 return (-2); /* no access for this security flavor */ | |
| 2267 | |
| 2268 if (access & NFSAUTH_DROP) | |
| 2269 return (-1); /* drop the request */ | |
| 2270 | |
| 2271 if (access & NFSAUTH_DENIED) { | |
| 2272 | |
| 2273 if (exi->exi_export.ex_seccnt > 0) | |
| 2274 return (0); /* deny access */ | |
| 2275 | |
| 2276 } else if (access & NFSAUTH_LIMITED) { | |
| 2277 | |
| 2278 cs->access |= CS_ACCESS_LIMITED; | |
| 2279 | |
| 2280 } else if (access & NFSAUTH_MAPNONE) { | |
| 2281 /* | |
| 2282 * Access was granted even though the flavor mismatched | |
| 2283 * because AUTH_NONE was one of the exported flavors. | |
| 2284 */ | |
| 2285 rpcflavor = AUTH_NONE; | |
| 2286 } | |
| 2287 | |
| 2288 /* | |
| 2289 * XXX probably need to redo some of it for nfsv4? | |
| 2290 * return 1 on success or 0 on failure | |
| 2291 */ | |
| 2292 | |
| 2293 switch (rpcflavor) { | |
| 2294 case AUTH_NONE: | |
| 2295 anon_res = crsetugid(cr, exi->exi_export.ex_anon, | |
|
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2296 exi->exi_export.ex_anon); |
| 0 | 2297 (void) crsetgroups(cr, 0, NULL); |
| 2298 break; | |
| 2299 | |
| 2300 case AUTH_UNIX: | |
| 2301 if (crgetuid(cr) == 0 && !(access & NFSAUTH_ROOT)) { | |
| 2302 anon_res = crsetugid(cr, exi->exi_export.ex_anon, | |
|
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2303 exi->exi_export.ex_anon); |
| 0 | 2304 (void) crsetgroups(cr, 0, NULL); |
|
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2305 } else if (crgetuid(cr) == 0 && access & NFSAUTH_ROOT) { |
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2306 /* |
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2307 * It is root, so apply rootid to get real UID |
|
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2308 * Find the secinfo structure. We should be able |
|
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2309 * to find it by the time we reach here. |
|
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2310 * nfsauth_access() has done the checking. |
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2311 */ |
|
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2312 secp = NULL; |
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2313 for (i = 0; i < exi->exi_export.ex_seccnt; i++) { |
|
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2314 struct secinfo *sptr; |
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2315 sptr = &exi->exi_export.ex_secinfo[i]; |
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2316 if (sptr->s_secinfo.sc_nfsnum == nfsflavor) { |
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2317 secp = &exi->exi_export.ex_secinfo[i]; |
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2318 break; |
|
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2319 } |
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2320 } |
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2321 if (secp != NULL) { |
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2322 (void) crsetugid(cr, secp->s_rootid, |
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2323 secp->s_rootid); |
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2324 (void) crsetgroups(cr, 0, NULL); |
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2325 } |
| 0 | 2326 } |
| 2327 break; | |
| 2328 | |
| 2329 default: | |
| 2330 /* | |
| 2331 * Find the secinfo structure. We should be able | |
| 2332 * to find it by the time we reach here. | |
| 2333 * nfsauth_access() has done the checking. | |
| 2334 */ | |
| 2335 secp = NULL; | |
| 2336 for (i = 0; i < exi->exi_export.ex_seccnt; i++) { | |
| 2337 if (exi->exi_export.ex_secinfo[i].s_secinfo.sc_nfsnum == | |
| 2338 nfsflavor) { | |
| 2339 secp = &exi->exi_export.ex_secinfo[i]; | |
| 2340 break; | |
| 2341 } | |
| 2342 } | |
| 2343 | |
| 2344 if (!secp) { | |
| 2345 cmn_err(CE_NOTE, "nfs_server: client %s%shad " | |
| 2346 "no secinfo data for flavor %d", | |
| 2347 client_name(req), client_addr(req, buf), | |
| 2348 nfsflavor); | |
| 2349 return (0); | |
| 2350 } | |
| 2351 | |
| 2352 if (!checkwin(rpcflavor, secp->s_window, req)) { | |
| 2353 cmn_err(CE_NOTE, | |
| 2354 "nfs_server: client %s%sused invalid " | |
| 2355 "auth window value", | |
| 2356 client_name(req), client_addr(req, buf)); | |
| 2357 return (0); | |
| 2358 } | |
| 2359 | |
| 2360 /* | |
| 2361 * Map root principals listed in the share's root= list to root, | |
| 2362 * and map any others principals that were mapped to root by RPC | |
|
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2363 * to anon. If not going to anon, set to rootid (root_mapping). |
| 0 | 2364 */ |
| 2365 if (principal && sec_svc_inrootlist(rpcflavor, principal, | |
|
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2366 secp->s_rootcnt, secp->s_rootnames)) { |
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2367 if (crgetuid(cr) == 0 && secp->s_rootid == 0) |
| 0 | 2368 return (1); |
| 2369 | |
|
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2370 (void) crsetugid(cr, secp->s_rootid, secp->s_rootid); |
| 0 | 2371 |
| 2372 /* | |
| 2373 * NOTE: If and when kernel-land privilege tracing is | |
| 2374 * added this may have to be replaced with code that | |
| 2375 * retrieves root's supplementary groups (e.g., using | |
| 2376 * kgss_get_group_info(). In the meantime principals | |
| 2377 * mapped to uid 0 get all privileges, so setting cr's | |
| 2378 * supplementary groups for them does nothing. | |
| 2379 */ | |
| 2380 (void) crsetgroups(cr, 0, NULL); | |
| 2381 | |
| 2382 return (1); | |
| 2383 } | |
| 2384 | |
| 2385 /* | |
| 2386 * Not a root princ, or not in root list, map UID 0/nobody to | |
| 2387 * the anon ID for the share. (RPC sets cr's UIDs and GIDs to | |
| 2388 * UID_NOBODY and GID_NOBODY, respectively.) | |
| 2389 */ | |
| 2390 if (crgetuid(cr) != 0 && | |
| 2391 (crgetuid(cr) != UID_NOBODY || crgetgid(cr) != GID_NOBODY)) | |
| 2392 return (1); | |
| 2393 | |
| 2394 anon_res = crsetugid(cr, exi->exi_export.ex_anon, | |
|
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2395 exi->exi_export.ex_anon); |
| 0 | 2396 (void) crsetgroups(cr, 0, NULL); |
| 2397 break; | |
| 2398 } /* switch on rpcflavor */ | |
| 2399 | |
| 2400 /* | |
| 2401 * Even if anon access is disallowed via ex_anon == -1, we allow | |
| 2402 * this access if anon_ok is set. So set creds to the default | |
| 2403 * "nobody" id. | |
| 2404 */ | |
| 2405 | |
| 2406 if (anon_res != 0) { | |
| 2407 cmn_err(CE_NOTE, | |
|
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2408 "nfs_server: client %s%ssent wrong " |
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2409 "authentication for %s", |
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2410 client_name(req), client_addr(req, buf), |
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2411 exi->exi_export.ex_path ? |
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2412 exi->exi_export.ex_path : "?"); |
| 0 | 2413 return (0); |
| 2414 } | |
| 2415 | |
| 2416 return (1); | |
| 2417 } | |
| 2418 | |
| 2419 | |
| 2420 static char * | |
| 2421 client_name(struct svc_req *req) | |
| 2422 { | |
| 2423 char *hostname = NULL; | |
| 2424 | |
| 2425 /* | |
| 2426 * If it's a Unix cred then use the | |
| 2427 * hostname from the credential. | |
| 2428 */ | |
| 2429 if (req->rq_cred.oa_flavor == AUTH_UNIX) { | |
| 2430 hostname = ((struct authunix_parms *) | |
| 2431 req->rq_clntcred)->aup_machname; | |
| 2432 } | |
| 2433 if (hostname == NULL) | |
| 2434 hostname = ""; | |
| 2435 | |
| 2436 return (hostname); | |
| 2437 } | |
| 2438 | |
| 2439 static char * | |
| 2440 client_addr(struct svc_req *req, char *buf) | |
| 2441 { | |
| 2442 struct sockaddr *ca; | |
| 2443 uchar_t *b; | |
| 2444 char *frontspace = ""; | |
| 2445 | |
| 2446 /* | |
| 2447 * We assume we are called in tandem with client_name and the | |
| 2448 * format string looks like "...client %s%sblah blah..." | |
| 2449 * | |
| 2450 * If it's a Unix cred then client_name returned | |
| 2451 * a host name, so we need insert a space between host name | |
| 2452 * and IP address. | |
| 2453 */ | |
| 2454 if (req->rq_cred.oa_flavor == AUTH_UNIX) | |
| 2455 frontspace = " "; | |
| 2456 | |
| 2457 /* | |
| 2458 * Convert the caller's IP address to a dotted string | |
| 2459 */ | |
| 2460 ca = (struct sockaddr *)svc_getrpccaller(req->rq_xprt)->buf; | |
| 2461 | |
| 2462 if (ca->sa_family == AF_INET) { | |
|
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2463 b = (uchar_t *)&((struct sockaddr_in *)ca)->sin_addr; |
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2464 (void) sprintf(buf, "%s(%d.%d.%d.%d) ", frontspace, |
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2465 b[0] & 0xFF, b[1] & 0xFF, b[2] & 0xFF, b[3] & 0xFF); |
| 0 | 2466 } else if (ca->sa_family == AF_INET6) { |
| 2467 struct sockaddr_in6 *sin6; | |
| 2468 sin6 = (struct sockaddr_in6 *)ca; | |
| 2469 (void) kinet_ntop6((uchar_t *)&sin6->sin6_addr, | |
|
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|
2470 buf, INET6_ADDRSTRLEN); |
| 0 | 2471 |
| 2472 } else { | |
| 2473 | |
| 2474 /* | |
| 2475 * No IP address to print. If there was a host name | |
| 2476 * printed, then we print a space. | |
| 2477 */ | |
| 2478 (void) sprintf(buf, frontspace); | |
| 2479 } | |
| 2480 | |
| 2481 return (buf); | |
| 2482 } | |
| 2483 | |
| 2484 /* | |
| 2485 * NFS Server initialization routine. This routine should only be called | |
| 2486 * once. It performs the following tasks: | |
| 2487 * - Call sub-initialization routines (localize access to variables) | |
| 2488 * - Initialize all locks | |
| 2489 * - initialize the version 3 write verifier | |
| 2490 */ | |
| 2491 int | |
| 2492 nfs_srvinit(void) | |
| 2493 { | |
| 2494 int error; | |
| 2495 | |
| 2496 error = nfs_exportinit(); | |
| 2497 if (error != 0) | |
| 2498 return (error); | |
| 2499 error = rfs4_srvrinit(); | |
| 2500 if (error != 0) { | |
| 2501 nfs_exportfini(); | |
| 2502 return (error); | |
| 2503 } | |
| 2504 rfs_srvrinit(); | |
| 2505 rfs3_srvrinit(); | |
| 2506 nfsauth_init(); | |
| 2507 | |
| 2508 /* Init the stuff to control start/stop */ | |
| 2509 nfs_server_upordown = NFS_SERVER_STOPPED; | |
| 2510 mutex_init(&nfs_server_upordown_lock, NULL, MUTEX_DEFAULT, NULL); | |
| 2511 cv_init(&nfs_server_upordown_cv, NULL, CV_DEFAULT, NULL); | |
| 2512 mutex_init(&rdma_wait_mutex, NULL, MUTEX_DEFAULT, NULL); | |
| 2513 cv_init(&rdma_wait_cv, NULL, CV_DEFAULT, NULL); | |
| 2514 | |
| 2515 return (0); | |
| 2516 } | |
| 2517 | |
| 2518 /* | |
| 2519 * NFS Server finalization routine. This routine is called to cleanup the | |
| 2520 * initialization work previously performed if the NFS server module could | |
| 2521 * not be loaded correctly. | |
| 2522 */ | |
| 2523 void | |
| 2524 nfs_srvfini(void) | |
| 2525 { | |
| 2526 nfsauth_fini(); | |
| 2527 rfs3_srvrfini(); | |
| 2528 rfs_srvrfini(); | |
| 2529 nfs_exportfini(); | |
| 2530 | |
| 2531 mutex_destroy(&nfs_server_upordown_lock); | |
| 2532 cv_destroy(&nfs_server_upordown_cv); | |
| 2533 mutex_destroy(&rdma_wait_mutex); | |
| 2534 cv_destroy(&rdma_wait_cv); | |
| 2535 } | |
| 2536 | |
| 2537 /* | |
| 2538 * Set up an iovec array of up to cnt pointers. | |
| 2539 */ | |
| 2540 | |
| 2541 void | |
| 2542 mblk_to_iov(mblk_t *m, int cnt, struct iovec *iovp) | |
| 2543 { | |
| 2544 while (m != NULL && cnt-- > 0) { | |
| 2545 iovp->iov_base = (caddr_t)m->b_rptr; | |
| 2546 iovp->iov_len = (m->b_wptr - m->b_rptr); | |
| 2547 iovp++; | |
| 2548 m = m->b_cont; | |
| 2549 } | |
| 2550 } | |
| 2551 | |
| 2552 /* | |
| 2553 * Common code between NFS Version 2 and NFS Version 3 for the public | |
| 2554 * filehandle multicomponent lookups. | |
| 2555 */ | |
| 2556 | |
| 2557 /* | |
| 2558 * Public filehandle evaluation of a multi-component lookup, following | |
| 2559 * symbolic links, if necessary. This may result in a vnode in another | |
| 2560 * filesystem, which is OK as long as the other filesystem is exported. | |
| 2561 * | |
| 2562 * Note that the exi will be set either to NULL or a new reference to the | |
| 2563 * exportinfo struct that corresponds to the vnode of the multi-component path. | |
| 2564 * It is the callers responsibility to release this reference. | |
| 2565 */ | |
| 2566 int | |
| 2567 rfs_publicfh_mclookup(char *p, vnode_t *dvp, cred_t *cr, vnode_t **vpp, | |
| 2568 struct exportinfo **exi, struct sec_ol *sec) | |
| 2569 { | |
| 2570 int pathflag; | |
| 2571 vnode_t *mc_dvp = NULL; | |
| 2572 vnode_t *realvp; | |
| 2573 int error; | |
| 2574 | |
| 2575 *exi = NULL; | |
| 2576 | |
| 2577 /* | |
| 2578 * check if the given path is a url or native path. Since p is | |
| 2579 * modified by MCLpath(), it may be empty after returning from | |
| 2580 * there, and should be checked. | |
| 2581 */ | |
| 2582 if ((pathflag = MCLpath(&p)) == -1) | |
| 2583 return (EIO); | |
| 2584 | |
| 2585 /* | |
| 2586 * If pathflag is SECURITY_QUERY, turn the SEC_QUERY bit | |
| 2587 * on in sec->sec_flags. This bit will later serve as an | |
| 2588 * indication in makefh_ol() or makefh3_ol() to overload the | |
| 2589 * filehandle to contain the sec modes used by the server for | |
| 2590 * the path. | |
| 2591 */ | |
| 2592 if (pathflag == SECURITY_QUERY) { | |
| 2593 if ((sec->sec_index = (uint_t)(*p)) > 0) { | |
| 2594 sec->sec_flags |= SEC_QUERY; | |
| 2595 p++; | |
| 2596 if ((pathflag = MCLpath(&p)) == -1) | |
| 2597 return (EIO); | |
| 2598 } else { | |
| 2599 cmn_err(CE_NOTE, | |
| 2600 "nfs_server: invalid security index %d, " | |
| 2601 "violating WebNFS SNEGO protocol.", sec->sec_index); | |
| 2602 return (EIO); | |
| 2603 } | |
| 2604 } | |
| 2605 | |
| 2606 if (p[0] == '\0') { | |
| 2607 error = ENOENT; | |
| 2608 goto publicfh_done; | |
| 2609 } | |
| 2610 | |
| 2611 error = rfs_pathname(p, &mc_dvp, vpp, dvp, cr, pathflag); | |
| 2612 | |
| 2613 /* | |
| 2614 * If name resolves to "/" we get EINVAL since we asked for | |
| 2615 * the vnode of the directory that the file is in. Try again | |
| 2616 * with NULL directory vnode. | |
| 2617 */ | |
| 2618 if (error == EINVAL) { | |
| 2619 error = rfs_pathname(p, NULL, vpp, dvp, cr, pathflag); | |
| 2620 if (!error) { | |
| 2621 ASSERT(*vpp != NULL); | |
| 2622 if ((*vpp)->v_type == VDIR) { | |
| 2623 VN_HOLD(*vpp); | |
| 2624 mc_dvp = *vpp; | |
| 2625 } else { | |
| 2626 /* | |
| 2627 * This should not happen, the filesystem is | |
| 2628 * in an inconsistent state. Fail the lookup | |
| 2629 * at this point. | |
| 2630 */ | |
| 2631 VN_RELE(*vpp); | |
| 2632 error = EINVAL; | |
| 2633 } | |
| 2634 } | |
| 2635 } | |
| 2636 | |
| 2637 if (error) | |
| 2638 goto publicfh_done; | |
| 2639 | |
| 2640 if (*vpp == NULL) { | |
| 2641 error = ENOENT; | |
| 2642 goto publicfh_done; | |
| 2643 } | |
| 2644 | |
| 2645 ASSERT(mc_dvp != NULL); | |
| 2646 ASSERT(*vpp != NULL); | |
| 2647 | |
| 2648 if ((*vpp)->v_type == VDIR) { | |
| 2649 do { | |
| 2650 /* | |
| 2651 * *vpp may be an AutoFS node, so we perform | |
| 2652 * a VOP_ACCESS() to trigger the mount of the intended | |
| 2653 * filesystem, so we can perform the lookup in the | |
| 2654 * intended filesystem. | |
| 2655 */ | |
| 5331 | 2656 (void) VOP_ACCESS(*vpp, 0, 0, cr, NULL); |
| 0 | 2657 |
| 2658 /* | |
| 2659 * If vnode is covered, get the | |
| 2660 * the topmost vnode. | |
| 2661 */ | |
| 2662 if (vn_mountedvfs(*vpp) != NULL) { | |
| 2663 error = traverse(vpp); | |
| 2664 if (error) { | |
| 2665 VN_RELE(*vpp); | |
| 2666 goto publicfh_done; | |
| 2667 } | |
| 2668 } | |
| 2669 | |
| 5331 | 2670 if (VOP_REALVP(*vpp, &realvp, NULL) == 0 && |
| 2671 realvp != *vpp) { | |
| 0 | 2672 /* |
| 2673 * If realvp is different from *vpp | |
| 2674 * then release our reference on *vpp, so that | |
| 2675 * the export access check be performed on the | |
| 2676 * real filesystem instead. | |
| 2677 */ | |
| 2678 VN_HOLD(realvp); | |
| 2679 VN_RELE(*vpp); | |
| 2680 *vpp = realvp; | |
|
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diff
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|
2681 } else { |
|
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5982
diff
changeset
|
2682 break; |
|
4b5e3051f38b
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natalie li - Sun Microsystems - Irvine United States <Natalie.Li@Sun.COM>
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5982
diff
changeset
|
2683 } |
| 0 | 2684 /* LINTED */ |
| 2685 } while (TRUE); | |
| 2686 | |
| 2687 /* | |
| 2688 * Let nfs_vptexi() figure what the real parent is. | |
| 2689 */ | |
| 2690 VN_RELE(mc_dvp); | |
| 2691 mc_dvp = NULL; | |
| 2692 | |
| 2693 } else { | |
| 2694 /* | |
| 2695 * If vnode is covered, get the | |
| 2696 * the topmost vnode. | |
| 2697 */ | |
| 2698 if (vn_mountedvfs(mc_dvp) != NULL) { | |
| 2699 error = traverse(&mc_dvp); | |
| 2700 if (error) { | |
|
7961
4b5e3051f38b
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diff
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|
2701 VN_RELE(*vpp); |
|
4b5e3051f38b
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natalie li - Sun Microsystems - Irvine United States <Natalie.Li@Sun.COM>
parents:
5982
diff
changeset
|
2702 goto publicfh_done; |
| 0 | 2703 } |
| 2704 } | |
| 2705 | |
| 5331 | 2706 if (VOP_REALVP(mc_dvp, &realvp, NULL) == 0 && |
| 2707 realvp != mc_dvp) { | |
| 0 | 2708 /* |
| 2709 * *vpp is a file, obtain realvp of the parent | |
| 2710 * directory vnode. | |
| 2711 */ | |
| 2712 VN_HOLD(realvp); | |
| 2713 VN_RELE(mc_dvp); | |
| 2714 mc_dvp = realvp; | |
| 2715 } | |
| 2716 } | |
| 2717 | |
| 2718 /* | |
| 2719 * The pathname may take us from the public filesystem to another. | |
| 2720 * If that's the case then just set the exportinfo to the new export | |
| 2721 * and build filehandle for it. Thanks to per-access checking there's | |
| 2722 * no security issues with doing this. If the client is not allowed | |
| 2723 * access to this new export then it will get an access error when it | |
| 2724 * tries to use the filehandle | |
| 2725 */ | |
| 2726 if (error = nfs_check_vpexi(mc_dvp, *vpp, kcred, exi)) { | |
| 2727 VN_RELE(*vpp); | |
| 2728 goto publicfh_done; | |
| 2729 } | |
| 2730 | |
| 2731 /* | |
| 2732 * Not allowed access to pseudo exports. | |
| 2733 */ | |
| 2734 if (PSEUDO(*exi)) { | |
| 2735 error = ENOENT; | |
| 2736 VN_RELE(*vpp); | |
| 2737 goto publicfh_done; | |
| 2738 } | |
| 2739 | |
| 2740 /* | |
| 2741 * Do a lookup for the index file. We know the index option doesn't | |
| 2742 * allow paths through handling in the share command, so mc_dvp will | |
| 2743 * be the parent for the index file vnode, if its present. Use | |
| 2744 * temporary pointers to preserve and reuse the vnode pointers of the | |
| 2745 * original directory in case there's no index file. Note that the | |
| 2746 * index file is a native path, and should not be interpreted by | |
| 2747 * the URL parser in rfs_pathname() | |
| 2748 */ | |
| 2749 if (((*exi)->exi_export.ex_flags & EX_INDEX) && | |
| 2750 ((*vpp)->v_type == VDIR) && (pathflag == URLPATH)) { | |
| 2751 vnode_t *tvp, *tmc_dvp; /* temporary vnode pointers */ | |
| 2752 | |
| 2753 tmc_dvp = mc_dvp; | |
| 2754 mc_dvp = tvp = *vpp; | |
| 2755 | |
| 2756 error = rfs_pathname((*exi)->exi_export.ex_index, NULL, vpp, | |
| 2757 mc_dvp, cr, NATIVEPATH); | |
| 2758 | |
| 2759 if (error == ENOENT) { | |
| 2760 *vpp = tvp; | |
| 2761 mc_dvp = tmc_dvp; | |
| 2762 error = 0; | |
| 2763 } else { /* ok or error other than ENOENT */ | |
| 2764 if (tmc_dvp) | |
| 2765 VN_RELE(tmc_dvp); | |
| 2766 if (error) | |
| 2767 goto publicfh_done; | |
| 2768 | |
| 2769 /* | |
| 2770 * Found a valid vp for index "filename". Sanity check | |
| 2771 * for odd case where a directory is provided as index | |
| 2772 * option argument and leads us to another filesystem | |
| 2773 */ | |
| 2774 | |
| 2775 /* Release the reference on the old exi value */ | |
| 2776 ASSERT(*exi != NULL); | |
| 2777 exi_rele(*exi); | |
| 2778 | |
| 2779 if (error = nfs_check_vpexi(mc_dvp, *vpp, kcred, exi)) { | |
| 2780 VN_RELE(*vpp); | |
| 2781 goto publicfh_done; | |
| 2782 } | |
| 2783 } | |
| 2784 } | |
| 2785 | |
| 2786 publicfh_done: | |
| 2787 if (mc_dvp) | |
| 2788 VN_RELE(mc_dvp); | |
| 2789 | |
| 2790 return (error); | |
| 2791 } | |
| 2792 | |
| 2793 /* | |
| 2794 * Evaluate a multi-component path | |
| 2795 */ | |
| 2796 int | |
| 2797 rfs_pathname( | |
| 2798 char *path, /* pathname to evaluate */ | |
| 2799 vnode_t **dirvpp, /* ret for ptr to parent dir vnode */ | |
| 2800 vnode_t **compvpp, /* ret for ptr to component vnode */ | |
| 2801 vnode_t *startdvp, /* starting vnode */ | |
| 2802 cred_t *cr, /* user's credential */ | |
| 2803 int pathflag) /* flag to identify path, e.g. URL */ | |
| 2804 { | |
| 2805 char namebuf[TYPICALMAXPATHLEN]; | |
| 2806 struct pathname pn; | |
| 2807 int error; | |
| 2808 | |
| 2809 /* | |
| 2810 * If pathname starts with '/', then set startdvp to root. | |
| 2811 */ | |
| 2812 if (*path == '/') { | |
| 2813 while (*path == '/') | |
| 2814 path++; | |
| 2815 | |
| 2816 startdvp = rootdir; | |
| 2817 } | |
| 2818 | |
| 2819 error = pn_get_buf(path, UIO_SYSSPACE, &pn, namebuf, sizeof (namebuf)); | |
| 2820 if (error == 0) { | |
| 2821 /* | |
| 2822 * Call the URL parser for URL paths to modify the original | |
| 2823 * string to handle any '%' encoded characters that exist. | |
| 2824 * Done here to avoid an extra bcopy in the lookup. | |
| 2825 * We need to be careful about pathlen's. We know that | |
| 2826 * rfs_pathname() is called with a non-empty path. However, | |
| 2827 * it could be emptied due to the path simply being all /'s, | |
| 2828 * which is valid to proceed with the lookup, or due to the | |
| 2829 * URL parser finding an encoded null character at the | |
| 2830 * beginning of path which should not proceed with the lookup. | |
| 2831 */ | |
| 2832 if (pn.pn_pathlen != 0 && pathflag == URLPATH) { | |
| 2833 URLparse(pn.pn_path); | |
| 2834 if ((pn.pn_pathlen = strlen(pn.pn_path)) == 0) | |
| 2835 return (ENOENT); | |
| 2836 } | |
| 2837 VN_HOLD(startdvp); | |
| 2838 error = lookuppnvp(&pn, NULL, NO_FOLLOW, dirvpp, compvpp, | |
| 2839 rootdir, startdvp, cr); | |
| 2840 } | |
| 2841 if (error == ENAMETOOLONG) { | |
| 2842 /* | |
| 2843 * This thread used a pathname > TYPICALMAXPATHLEN bytes long. | |
| 2844 */ | |
| 2845 if (error = pn_get(path, UIO_SYSSPACE, &pn)) | |
| 2846 return (error); | |
| 2847 if (pn.pn_pathlen != 0 && pathflag == URLPATH) { | |
| 2848 URLparse(pn.pn_path); | |
| 2849 if ((pn.pn_pathlen = strlen(pn.pn_path)) == 0) { | |
| 2850 pn_free(&pn); | |
| 2851 return (ENOENT); | |
| 2852 } | |
| 2853 } | |
| 2854 VN_HOLD(startdvp); | |
| 2855 error = lookuppnvp(&pn, NULL, NO_FOLLOW, dirvpp, compvpp, | |
| 2856 rootdir, startdvp, cr); | |
| 2857 pn_free(&pn); | |
| 2858 } | |
| 2859 | |
| 2860 return (error); | |
| 2861 } | |
| 2862 | |
| 2863 /* | |
| 2864 * Adapt the multicomponent lookup path depending on the pathtype | |
| 2865 */ | |
| 2866 static int | |
| 2867 MCLpath(char **path) | |
| 2868 { | |
| 2869 unsigned char c = (unsigned char)**path; | |
| 2870 | |
| 2871 /* | |
| 2872 * If the MCL path is between 0x20 and 0x7E (graphic printable | |
| 2873 * character of the US-ASCII coded character set), its a URL path, | |
| 2874 * per RFC 1738. | |
| 2875 */ | |
| 2876 if (c >= 0x20 && c <= 0x7E) | |
| 2877 return (URLPATH); | |
| 2878 | |
| 2879 /* | |
| 2880 * If the first octet of the MCL path is not an ASCII character | |
| 2881 * then it must be interpreted as a tag value that describes the | |
| 2882 * format of the remaining octets of the MCL path. | |
| 2883 * | |
| 2884 * If the first octet of the MCL path is 0x81 it is a query | |
| 2885 * for the security info. | |
| 2886 */ | |
| 2887 switch (c) { | |
| 2888 case 0x80: /* native path, i.e. MCL via mount protocol */ | |
| 2889 (*path)++; | |
| 2890 return (NATIVEPATH); | |
| 2891 case 0x81: /* security query */ | |
| 2892 (*path)++; | |
| 2893 return (SECURITY_QUERY); | |
| 2894 default: | |
| 2895 return (-1); | |
| 2896 } | |
| 2897 } | |
| 2898 | |
| 2899 #define fromhex(c) ((c >= '0' && c <= '9') ? (c - '0') : \ | |
| 2900 ((c >= 'A' && c <= 'F') ? (c - 'A' + 10) :\ | |
| 2901 ((c >= 'a' && c <= 'f') ? (c - 'a' + 10) : 0))) | |
| 2902 | |
| 2903 /* | |
| 5331 | 2904 * The implementation of URLparse guarantees that the final string will |
| 0 | 2905 * fit in the original one. Replaces '%' occurrences followed by 2 characters |
| 2906 * with its corresponding hexadecimal character. | |
| 2907 */ | |
| 2908 static void | |
| 2909 URLparse(char *str) | |
| 2910 { | |
| 2911 char *p, *q; | |
| 2912 | |
| 2913 p = q = str; | |
| 2914 while (*p) { | |
| 2915 *q = *p; | |
| 2916 if (*p++ == '%') { | |
| 2917 if (*p) { | |
| 2918 *q = fromhex(*p) * 16; | |
| 2919 p++; | |
| 2920 if (*p) { | |
| 2921 *q += fromhex(*p); | |
| 2922 p++; | |
| 2923 } | |
| 2924 } | |
| 2925 } | |
| 2926 q++; | |
| 2927 } | |
| 2928 *q = '\0'; | |
| 2929 } | |
| 2930 | |
| 2931 | |
| 2932 /* | |
| 2933 * Get the export information for the lookup vnode, and verify its | |
| 2934 * useable. | |
| 2935 */ | |
| 2936 int | |
| 2937 nfs_check_vpexi(vnode_t *mc_dvp, vnode_t *vp, cred_t *cr, | |
| 2938 struct exportinfo **exi) | |
| 2939 { | |
| 2940 int walk; | |
| 2941 int error = 0; | |
| 2942 | |
| 2943 *exi = nfs_vptoexi(mc_dvp, vp, cr, &walk, NULL, FALSE); | |
| 2944 if (*exi == NULL) | |
| 2945 error = EACCES; | |
| 2946 else { | |
| 2947 /* | |
| 2948 * If nosub is set for this export then | |
| 2949 * a lookup relative to the public fh | |
| 2950 * must not terminate below the | |
| 2951 * exported directory. | |
| 2952 */ | |
| 2953 if ((*exi)->exi_export.ex_flags & EX_NOSUB && walk > 0) | |
| 2954 error = EACCES; | |
| 2955 } | |
| 2956 | |
| 2957 return (error); | |
| 2958 } | |
|
2035
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|
2959 |
|
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PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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|
2960 /* |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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|
2961 * Do the main work of handling HA-NFSv4 Resource Group failover on |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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|
2962 * Sun Cluster. |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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|
2963 * We need to detect whether any RG admin paths have been added or removed, |
|
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PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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|
2964 * and adjust resources accordingly. |
|
a29bc457bcb9
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|
2965 * Currently we're using a very inefficient algorithm, ~ 2 * O(n**2). In |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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|
2966 * order to scale, the list and array of paths need to be held in more |
|
a29bc457bcb9
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|
2967 * suitable data structures. |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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|
2968 */ |
|
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PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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|
2969 static void |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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|
2970 hanfsv4_failover(void) |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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|
2971 { |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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|
2972 int i, start_grace, numadded_paths = 0; |
|
a29bc457bcb9
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|
2973 char **added_paths = NULL; |
|
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|
2974 rfs4_dss_path_t *dss_path; |
|
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|
2975 |
|
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|
2976 /* |
| 2390 | 2977 * Note: currently, rfs4_dss_pathlist cannot be NULL, since |
| 2978 * it will always include an entry for NFS4_DSS_VAR_DIR. If we | |
| 2979 * make the latter dynamically specified too, the following will | |
| 2980 * need to be adjusted. | |
| 2981 */ | |
| 2982 | |
| 2983 /* | |
|
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2984 * First, look for removed paths: RGs that have been failed-over |
|
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|
2985 * away from this node. |
|
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2986 * Walk the "currently-serving" rfs4_dss_pathlist and, for each |
|
a29bc457bcb9
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|
2987 * path, check if it is on the "passed-in" rfs4_dss_newpaths array |
|
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|
2988 * from nfsd. If not, that RG path has been removed. |
|
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|
2989 * |
|
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|
2990 * Note that nfsd has sorted rfs4_dss_newpaths for us, and removed |
|
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|
2991 * any duplicates. |
|
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|
2992 */ |
|
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|
2993 dss_path = rfs4_dss_pathlist; |
|
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|
2994 do { |
|
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|
2995 int found = 0; |
|
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|
2996 char *path = dss_path->path; |
|
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|
2997 |
|
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|
2998 /* used only for non-HA so may not be removed */ |
|
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2999 if (strcmp(path, NFS4_DSS_VAR_DIR) == 0) { |
|
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|
3000 dss_path = dss_path->next; |
|
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|
3001 continue; |
|
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|
3002 } |
|
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|
3003 |
|
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|
3004 for (i = 0; i < rfs4_dss_numnewpaths; i++) { |
|
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|
3005 int cmpret; |
|
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|
3006 char *newpath = rfs4_dss_newpaths[i]; |
|
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|
3007 |
|
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|
3008 /* |
|
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|
3009 * Since nfsd has sorted rfs4_dss_newpaths for us, |
| 2390 | 3010 * once the return from strcmp is negative we know |
|
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|
3011 * we've passed the point where "path" should be, |
|
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|
3012 * and can stop searching: "path" has been removed. |
|
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|
3013 */ |
| 2390 | 3014 cmpret = strcmp(path, newpath); |
|
2035
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|
3015 if (cmpret < 0) |
|
a29bc457bcb9
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diff
changeset
|
3016 break; |
|
a29bc457bcb9
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diff
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|
3017 if (cmpret == 0) { |
|
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|
3018 found = 1; |
|
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|
3019 break; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3020 } |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3021 } |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3022 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3023 if (found == 0) { |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3024 unsigned index = dss_path->index; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3025 rfs4_servinst_t *sip = dss_path->sip; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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changeset
|
3026 rfs4_dss_path_t *path_next = dss_path->next; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3027 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3028 /* |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3029 * This path has been removed. |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3030 * We must clear out the servinst reference to |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3031 * it, since it's now owned by another |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3032 * node: we should not attempt to touch it. |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3033 */ |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3034 ASSERT(dss_path == sip->dss_paths[index]); |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3035 sip->dss_paths[index] = NULL; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3036 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3037 /* remove from "currently-serving" list, and destroy */ |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3038 remque(dss_path); |
| 2390 | 3039 /* allow for NUL */ |
| 3040 kmem_free(dss_path->path, strlen(dss_path->path) + 1); | |
|
2035
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3041 kmem_free(dss_path, sizeof (rfs4_dss_path_t)); |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3042 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3043 dss_path = path_next; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3044 } else { |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3045 /* path was found; not removed */ |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3046 dss_path = dss_path->next; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3047 } |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3048 } while (dss_path != rfs4_dss_pathlist); |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3049 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3050 /* |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3051 * Now, look for added paths: RGs that have been failed-over |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3052 * to this node. |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3053 * Walk the "passed-in" rfs4_dss_newpaths array from nfsd and, |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3054 * for each path, check if it is on the "currently-serving" |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3055 * rfs4_dss_pathlist. If not, that RG path has been added. |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3056 * |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3057 * Note: we don't do duplicate detection here; nfsd does that for us. |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3058 * |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3059 * Note: numadded_paths <= rfs4_dss_numnewpaths, which gives us |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
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|
3060 * an upper bound for the size needed for added_paths[numadded_paths]. |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3061 */ |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3062 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3063 /* probably more space than we need, but guaranteed to be enough */ |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
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diff
changeset
|
3064 if (rfs4_dss_numnewpaths > 0) { |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
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|
3065 size_t sz = rfs4_dss_numnewpaths * sizeof (char *); |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
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diff
changeset
|
3066 added_paths = kmem_zalloc(sz, KM_SLEEP); |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3067 } |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3068 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3069 /* walk the "passed-in" rfs4_dss_newpaths array from nfsd */ |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
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diff
changeset
|
3070 for (i = 0; i < rfs4_dss_numnewpaths; i++) { |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
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diff
changeset
|
3071 int found = 0; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
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|
3072 char *newpath = rfs4_dss_newpaths[i]; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3073 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
1610
diff
changeset
|
3074 dss_path = rfs4_dss_pathlist; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3075 do { |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3076 char *path = dss_path->path; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3077 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3078 /* used only for non-HA */ |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3079 if (strcmp(path, NFS4_DSS_VAR_DIR) == 0) { |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
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diff
changeset
|
3080 dss_path = dss_path->next; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3081 continue; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3082 } |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3083 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
1610
diff
changeset
|
3084 if (strncmp(path, newpath, strlen(path)) == 0) { |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
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diff
changeset
|
3085 found = 1; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3086 break; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3087 } |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3088 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
1610
diff
changeset
|
3089 dss_path = dss_path->next; |
|
a29bc457bcb9
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diff
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|
3090 } while (dss_path != rfs4_dss_pathlist); |
|
a29bc457bcb9
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calum
parents:
1610
diff
changeset
|
3091 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
1610
diff
changeset
|
3092 if (found == 0) { |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
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diff
changeset
|
3093 added_paths[numadded_paths] = newpath; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
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diff
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|
3094 numadded_paths++; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3095 } |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3096 } |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3097 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3098 /* did we find any added paths? */ |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
1610
diff
changeset
|
3099 if (numadded_paths > 0) { |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
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diff
changeset
|
3100 /* create a new server instance, and start its grace period */ |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
1610
diff
changeset
|
3101 start_grace = 1; |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3102 rfs4_servinst_create(start_grace, numadded_paths, added_paths); |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3103 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3104 /* read in the stable storage state from these paths */ |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
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diff
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|
3105 rfs4_dss_readstate(numadded_paths, added_paths); |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3106 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3107 /* |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3108 * Multiple failovers during a grace period will cause |
|
a29bc457bcb9
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parents:
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diff
changeset
|
3109 * clients of the same resource group to be partitioned |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
1610
diff
changeset
|
3110 * into different server instances, with different |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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diff
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|
3111 * grace periods. Since clients of the same resource |
|
a29bc457bcb9
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diff
changeset
|
3112 * group must be subject to the same grace period, |
|
a29bc457bcb9
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parents:
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diff
changeset
|
3113 * we need to reset all currently active grace periods. |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3114 */ |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
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diff
changeset
|
3115 rfs4_grace_reset_all(); |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3116 } |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3117 |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
calum
parents:
1610
diff
changeset
|
3118 if (rfs4_dss_numnewpaths > 0) |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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parents:
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diff
changeset
|
3119 kmem_free(added_paths, rfs4_dss_numnewpaths * sizeof (char *)); |
|
a29bc457bcb9
PSARC/2006/313 NFSv4: nfsd "-s" distributed stable storage
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diff
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|
3120 } |