/*
- * Copyright (c) 2000-2014 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2020 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
* FreeBSD-Id: nfs_serv.c,v 1.52 1997/10/28 15:59:05 bde Exp $
*/
+#include <nfs/nfs_conf.h>
+#if CONFIG_NFS_SERVER
+
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <libkern/OSAtomic.h>
#include <sys/fsevents.h>
#include <kern/thread_call.h>
+#include <sys/time.h>
#include <sys/vm.h>
#include <sys/vmparam.h>
+#include <sys/fcntl.h>
+
#include <netinet/in.h>
#include <nfs/nfsproto.h>
#include <nfs/nfsrvcache.h>
#include <nfs/nfs_gss.h>
-#if NFSSERVER
+#if CONFIG_MACF
+#include <security/mac.h>
+#include <security/mac_framework.h>
+#endif
/*
* NFS server globals
int nfsd_thread_count = 0;
int nfsd_thread_max = 0;
-lck_grp_t *nfsd_lck_grp;
-lck_mtx_t *nfsd_mutex;
+static LCK_GRP_DECLARE(nfsd_lck_grp, "nfsd");
+LCK_MTX_DECLARE(nfsd_mutex, &nfsd_lck_grp);
struct nfsd_head nfsd_head, nfsd_queue;
-lck_grp_t *nfsrv_slp_rwlock_group;
-lck_grp_t *nfsrv_slp_mutex_group;
+LCK_GRP_DECLARE(nfsrv_slp_rwlock_group, "nfsrv-slp-rwlock");
+LCK_GRP_DECLARE(nfsrv_slp_mutex_group, "nfsrv-slp-mutex");
struct nfsrv_sockhead nfsrv_socklist, nfsrv_sockwg,
- nfsrv_sockwait, nfsrv_sockwork;
+ nfsrv_sockwait, nfsrv_sockwork;
struct nfsrv_sock *nfsrv_udpsock = NULL;
struct nfsrv_sock *nfsrv_udp6sock = NULL;
struct nfsrv_export_hashhead *nfsrv_export_hashtbl = NULL;
int nfsrv_export_hash_size = NFSRVEXPHASHSZ;
u_long nfsrv_export_hash;
-lck_grp_t *nfsrv_export_rwlock_group;
-lck_rw_t nfsrv_export_rwlock;
+static LCK_GRP_DECLARE(nfsrv_export_rwlock_group, "nfsrv-export-rwlock");
+LCK_RW_DECLARE(nfsrv_export_rwlock, &nfsrv_export_rwlock_group);
#if CONFIG_FSE
/* NFS server file modification event generator */
struct nfsrv_fmod_hashhead *nfsrv_fmod_hashtbl;
u_long nfsrv_fmod_hash;
-lck_grp_t *nfsrv_fmod_grp;
-lck_mtx_t *nfsrv_fmod_mutex;
+static LCK_GRP_DECLARE(nfsrv_fmod_grp, "nfsrv_fmod");
+LCK_MTX_DECLARE(nfsrv_fmod_mutex, &nfsrv_fmod_grp);
static int nfsrv_fmod_timer_on = 0;
int nfsrv_fsevents_enabled = 1;
#endif
/* NFS server timers */
#if CONFIG_FSE
-thread_call_t nfsrv_fmod_timer_call;
+thread_call_t nfsrv_fmod_timer_call;
#endif
-thread_call_t nfsrv_idlesock_timer_call;
-thread_call_t nfsrv_wg_timer_call;
+thread_call_t nfsrv_idlesock_timer_call;
+thread_call_t nfsrv_wg_timer_call;
int nfsrv_wg_timer_on;
/* globals for the active user list */
uint32_t nfsrv_user_stat_node_count = 0;
uint32_t nfsrv_user_stat_max_idle_sec = NFSRV_USER_STAT_DEF_IDLE_SEC;
uint32_t nfsrv_user_stat_max_nodes = NFSRV_USER_STAT_DEF_MAX_NODES;
-lck_grp_t *nfsrv_active_user_mutex_group;
+LCK_GRP_DECLARE(nfsrv_active_user_mutex_group, "nfs-active-user-mutex");
int nfsrv_wg_delay = NFSRV_WGATHERDELAY * 1000;
int nfsrv_wg_delay_v3 = 0;
int nfsrv_async = 0;
-int nfsrv_authorize(vnode_t,vnode_t,kauth_action_t,vfs_context_t,struct nfs_export_options*,int);
+int nfsrv_authorize(vnode_t, vnode_t, kauth_action_t, vfs_context_t, struct nfs_export_options*, int);
int nfsrv_wg_coalesce(struct nfsrv_descript *, struct nfsrv_descript *);
void nfsrv_modified(vnode_t, vfs_context_t);
* Initialize the data structures for the server.
*/
-#define NFSRV_NOT_INITIALIZED 0
-#define NFSRV_INITIALIZING 1
-#define NFSRV_INITIALIZED 2
+#define NFSRV_NOT_INITIALIZED 0
+#define NFSRV_INITIALIZING 1
+#define NFSRV_INITIALIZED 2
static volatile UInt32 nfsrv_initted = NFSRV_NOT_INITIALIZED;
int
nfsrv_is_initialized(void)
{
- return (nfsrv_initted == NFSRV_INITIALIZED);
+ return nfsrv_initted == NFSRV_INITIALIZED;
}
void
/* make sure we init only once */
if (!OSCompareAndSwap(NFSRV_NOT_INITIALIZED, NFSRV_INITIALIZING, &nfsrv_initted)) {
/* wait until initialization is complete */
- while (!nfsrv_is_initialized())
+ while (!nfsrv_is_initialized()) {
IOSleep(500);
+ }
return;
}
- if (sizeof (struct nfsrv_sock) > NFS_SVCALLOC)
- printf("struct nfsrv_sock bloated (> %dbytes)\n",NFS_SVCALLOC);
-
- /* init nfsd mutex */
- nfsd_lck_grp = lck_grp_alloc_init("nfsd", LCK_GRP_ATTR_NULL);
- nfsd_mutex = lck_mtx_alloc_init(nfsd_lck_grp, LCK_ATTR_NULL);
-
- /* init slp rwlock */
- nfsrv_slp_rwlock_group = lck_grp_alloc_init("nfsrv-slp-rwlock", LCK_GRP_ATTR_NULL);
- nfsrv_slp_mutex_group = lck_grp_alloc_init("nfsrv-slp-mutex", LCK_GRP_ATTR_NULL);
+ if (sizeof(struct nfsrv_sock) > NFS_SVCALLOC) {
+ printf("struct nfsrv_sock bloated (> %dbytes)\n", NFS_SVCALLOC);
+ }
/* init export data structures */
LIST_INIT(&nfsrv_exports);
- nfsrv_export_rwlock_group = lck_grp_alloc_init("nfsrv-export-rwlock", LCK_GRP_ATTR_NULL);
- lck_rw_init(&nfsrv_export_rwlock, nfsrv_export_rwlock_group, LCK_ATTR_NULL);
-
- /* init active user list mutex structures */
- nfsrv_active_user_mutex_group = lck_grp_alloc_init("nfs-active-user-mutex", LCK_GRP_ATTR_NULL);
-
- /* init nfs server request cache mutex */
- nfsrv_reqcache_lck_grp = lck_grp_alloc_init("nfsrv_reqcache", LCK_GRP_ATTR_NULL);
- nfsrv_reqcache_mutex = lck_mtx_alloc_init(nfsrv_reqcache_lck_grp, LCK_ATTR_NULL);
#if CONFIG_FSE
/* init NFS server file modified event generation */
nfsrv_fmod_hashtbl = hashinit(NFSRVFMODHASHSZ, M_TEMP, &nfsrv_fmod_hash);
- nfsrv_fmod_grp = lck_grp_alloc_init("nfsrv_fmod", LCK_GRP_ATTR_NULL);
- nfsrv_fmod_mutex = lck_mtx_alloc_init(nfsrv_fmod_grp, LCK_ATTR_NULL);
#endif
/* initialize NFS server timer callouts */
/* Setup the up-call handling */
nfsrv_uc_init();
-
+
/* initialization complete */
nfsrv_initted = NFSRV_INITIALIZED;
}
*/
if (nfsmode & NFS_ACCESS_READ) {
testaction = vnode_isdir(vp) ? KAUTH_VNODE_LIST_DIRECTORY : KAUTH_VNODE_READ_DATA;
- if (nfsrv_authorize(vp, NULL, testaction, ctx, nxo, 0))
+ if (nfsrv_authorize(vp, NULL, testaction, ctx, nxo, 0)) {
nfsmode &= ~NFS_ACCESS_READ;
+ }
}
if ((nfsmode & NFS_ACCESS_LOOKUP) &&
(!vnode_isdir(vp) ||
- nfsrv_authorize(vp, NULL, KAUTH_VNODE_SEARCH, ctx, nxo, 0)))
+ nfsrv_authorize(vp, NULL, KAUTH_VNODE_SEARCH, ctx, nxo, 0))) {
nfsmode &= ~NFS_ACCESS_LOOKUP;
+ }
if (nfsmode & NFS_ACCESS_MODIFY) {
if (vnode_isdir(vp)) {
testaction =
testaction =
KAUTH_VNODE_WRITE_DATA;
}
- if (nfsrv_authorize(vp, NULL, testaction, ctx, nxo, 0))
+ if (nfsrv_authorize(vp, NULL, testaction, ctx, nxo, 0)) {
nfsmode &= ~NFS_ACCESS_MODIFY;
+ }
}
if (nfsmode & NFS_ACCESS_EXTEND) {
if (vnode_isdir(vp)) {
KAUTH_VNODE_WRITE_DATA |
KAUTH_VNODE_APPEND_DATA;
}
- if (nfsrv_authorize(vp, NULL, testaction, ctx, nxo, 0))
+ if (nfsrv_authorize(vp, NULL, testaction, ctx, nxo, 0)) {
nfsmode &= ~NFS_ACCESS_EXTEND;
+ }
}
/*
if ((nfsmode & NFS_ACCESS_EXECUTE) &&
(vnode_isdir(vp) ||
- nfsrv_authorize(vp, NULL, KAUTH_VNODE_EXECUTE, ctx, nxo, 0)))
+ nfsrv_authorize(vp, NULL, KAUTH_VNODE_EXECUTE, ctx, nxo, 0))) {
nfsmode &= ~NFS_ACCESS_EXECUTE;
+ }
/* get postop attributes */
nfsm_srv_vattr_init(&vattr, NFS_VER3);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &vattr);
- if (!nd->nd_repstat)
+ if (!nd->nd_repstat) {
nfsm_chain_add_32(error, &nmrep, nfsmode);
+ }
nfsmout:
nfsm_chain_build_done(error, &nmrep);
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
error = nfsrv_credcheck(nd, ctx, nx, nxo);
nfsmerr_if(error);
+#if CONFIG_MACF
+ if (mac_vnode_check_open(ctx, vp, FREAD)) {
+ error = ESTALE;
+ }
+ nfsmerr_if(error);
+#endif
+
nfsm_srv_vattr_init(&vattr, nd->nd_vers);
error = vnode_getattr(vp, &vattr, ctx);
+
+#if CONFIG_MACF
+ /* XXXab: Comment in the VFS code makes it sound like
+ * some arguments can be filtered out, but not
+ * what it actually means. Hopefully not like
+ * they gonna set mtime to 0 or something. For
+ * now trust there are no shenanigans here.
+ */
+ error = mac_vnode_check_getattr(ctx, NOCRED, vp, &vattr);
+ nfsmerr_if(error);
+#endif
+
vnode_put(vp);
vp = NULL;
error = nfsm_chain_add_fattr(nd, &nmrep, &vattr);
nfsmout:
nfsm_chain_build_done(error, &nmrep);
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
struct nfs_export_options *nxo;
int error, preattrerr, postattrerr, gcheck;
struct nfs_filehandle nfh;
- struct timespec guard = { 0, 0 };
+ struct timespec guard = { .tv_sec = 0, .tv_nsec = 0 };
kauth_action_t action;
uid_t saved_uid;
error = nfsm_chain_get_sattr(nd, nmreq, vap);
if (nd->nd_vers == NFS_VER3) {
nfsm_chain_get_32(error, nmreq, gcheck);
- if (gcheck)
+ if (gcheck) {
nfsm_chain_get_time(error, nmreq, nd->nd_vers, guard.tv_sec, guard.tv_nsec);
+ }
}
nfsmerr_if(error);
nfsm_srv_pre_vattr_init(&preattr);
error = preattrerr = vnode_getattr(vp, &preattr, ctx);
if (!error && gcheck && VATTR_IS_SUPPORTED(&preattr, va_change_time) &&
- (preattr.va_change_time.tv_sec != guard.tv_sec ||
- preattr.va_change_time.tv_nsec != guard.tv_nsec))
+ (preattr.va_change_time.tv_sec != guard.tv_sec ||
+ preattr.va_change_time.tv_nsec != guard.tv_nsec)) {
error = NFSERR_NOT_SYNC;
- if (!preattrerr && !VATTR_ALL_SUPPORTED(&preattr))
+ }
+ if (!preattrerr && !VATTR_ALL_SUPPORTED(&preattr)) {
preattrerr = ENOENT;
+ }
nfsmerr_if(error);
}
if ((vap->va_uid == saved_uid) && (kauth_cred_getuid(nd->nd_cr) != saved_uid)) {
int ismember;
VATTR_SET(vap, va_uid, kauth_cred_getuid(nd->nd_cr));
- if (kauth_cred_ismember_gid(nd->nd_cr, vap->va_gid, &ismember) || !ismember)
+ if (kauth_cred_ismember_gid(nd->nd_cr, vap->va_gid, &ismember) || !ismember) {
VATTR_SET(vap, va_gid, kauth_cred_getgid(nd->nd_cr));
+ }
}
/* Authorize the attribute changes. */
error = vnode_authattr(vp, vap, &action, ctx);
- if (!error)
+ if (!error) {
error = nfsrv_authorize(vp, NULL, action, ctx, nxo, 0);
+ }
+
+#if CONFIG_MACF
+ if (!error && mac_vnode_check_open(ctx, vp, FREAD | FWRITE)) {
+ error = ESTALE;
+ }
+ if (!error) {
+ /* chown case */
+ if (VATTR_IS_ACTIVE(vap, va_uid) || VATTR_IS_ACTIVE(vap, va_gid)) {
+ error = mac_vnode_check_setowner(ctx, vp,
+ VATTR_IS_ACTIVE(vap, va_uid) ? vap->va_uid : -1,
+ VATTR_IS_ACTIVE(vap, va_gid) ? vap->va_gid : -1);
+ }
+ /* chmod case */
+ if (!error && VATTR_IS_ACTIVE(vap, va_mode)) {
+ error = mac_vnode_check_setmode(ctx, vp, (mode_t)vap->va_mode);
+ }
+ /* truncate case */
+ if (!error && VATTR_IS_ACTIVE(vap, va_data_size)) {
+ /* NOTE: File has not been open for NFS case, so NOCRED for filecred */
+ error = mac_vnode_check_truncate(ctx, NOCRED, vp);
+ }
+ /* set utimes case */
+ if (!error && (VATTR_IS_ACTIVE(vap, va_access_time) || VATTR_IS_ACTIVE(vap, va_modify_time))) {
+ struct timespec current_time;
+ nanotime(¤t_time);
+
+ error = mac_vnode_check_setutimes(ctx, vp,
+ VATTR_IS_ACTIVE(vap, va_access_time) ? vap->va_access_time : current_time,
+ VATTR_IS_ACTIVE(vap, va_modify_time) ? vap->va_modify_time : current_time);
+ }
+ }
+#endif
/* set the new attributes */
- if (!error)
+ if (!error) {
error = vnode_setattr(vp, vap, ctx);
+ }
if (!error || (nd->nd_vers == NFS_VER3)) {
nfsm_srv_vattr_init(&postattr, nd->nd_vers);
postattrerr = vnode_getattr(vp, &postattr, ctx);
- if (!error)
+ if (!error) {
error = postattrerr;
+ }
}
nfsmerr:
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
/* assemble reply */
nd->nd_repstat = error;
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
nfsm_chain_add_wcc_data(error, nd, &nmrep,
- preattrerr, &preattr, postattrerr, &postattr);
- else
+ preattrerr, &preattr, postattrerr, &postattr);
+ } else {
error = nfsm_chain_add_fattr(nd, &nmrep, &postattr);
+ }
nfsmout:
nfsm_chain_build_done(error, &nmrep);
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
/* update active user stats */
nfsrv_update_user_stat(nx, nd, saved_uid, 1, 0, 0);
}
+ if (!error && mac_vnode_check_open(ctx, ni.ni_vp, FREAD)) {
+ error = EACCES;
+ if (dirp) {
+ vnode_put(dirp);
+ dirp = NULL;
+ }
+
+ if (ni.ni_vp) {
+ vnode_put(ni.ni_vp);
+ ni.ni_vp = NULL;
+ }
+ }
}
if (dirp) {
/* assemble reply */
nd->nd_repstat = error;
error = nfsrv_rephead(nd, slp, &nmrep, NFSX_SRVFH(nd->nd_vers, &nfh) +
- NFSX_POSTOPORFATTR(nd->nd_vers) + NFSX_POSTOPATTR(nd->nd_vers));
+ NFSX_POSTOPORFATTR(nd->nd_vers) + NFSX_POSTOPATTR(nd->nd_vers));
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
if (nd->nd_repstat) {
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
nfsm_chain_add_postop_attr(error, nd, &nmrep, dirattrerr, &dirattr);
+ }
goto nfsmout;
}
nfsm_chain_add_fh(error, &nmrep, nd->nd_vers, nfh.nfh_fhp, nfh.nfh_len);
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
struct nfsm_chain *nmreq, nmrep;
mbuf_t mpath, mp;
uio_t auio = NULL;
- char uio_buf[ UIO_SIZEOF(4) ];
+ char uio_buf[UIO_SIZEOF(4)];
char *uio_bufp = &uio_buf[0];
int uio_buflen = UIO_SIZEOF(4);
if (mpcnt > 4) {
uio_buflen = UIO_SIZEOF(mpcnt);
MALLOC(uio_bufp, char*, uio_buflen, M_TEMP, M_WAITOK);
- if (!uio_bufp)
+ if (!uio_bufp) {
error = ENOMEM;
+ }
nfsmerr_if(error);
}
auio = uio_createwithbuffer(mpcnt, 0, UIO_SYSSPACE, UIO_READ, uio_bufp, uio_buflen);
- if (!auio)
+ if (!auio) {
error = ENOMEM;
+ }
nfsmerr_if(error);
- for (mp = mpath; mp; mp = mbuf_next(mp))
+ for (mp = mpath; mp; mp = mbuf_next(mp)) {
uio_addiov(auio, CAST_USER_ADDR_T((caddr_t)mbuf_data(mp)), mbuf_len(mp));
+ }
error = nfsrv_fhtovp(&nfh, nd, &vp, &nx, &nxo);
nfsmerr_if(error);
nfsmerr_if(error);
if (vnode_vtype(vp) != VLNK) {
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
error = EINVAL;
- else
+ } else {
error = ENXIO;
+ }
}
- if (!error)
+ if (!error) {
error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_READ_DATA, ctx, nxo, 0);
- if (!error)
+ }
+#if CONFIG_MACF
+ if (mac_vnode_check_open(ctx, vp, FREAD)) {
+ error = ESTALE;
+ }
+ nfsmerr_if(error);
+ if (!error) {
+ error = mac_vnode_check_readlink(ctx, vp);
+ }
+#endif
+ if (!error) {
error = VNOP_READLINK(vp, auio, ctx);
+ }
if (vp) {
if (nd->nd_vers == NFS_VER3) {
nfsm_srv_vattr_init(&vattr, NFS_VER3);
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &vattr);
+ }
if (error || nd->nd_repstat) {
nfsm_chain_build_done(error, &nmrep);
goto nfsmout;
if (auio && (uio_resid(auio) > 0)) {
len -= uio_resid(auio);
tlen = nfsm_rndup(len);
- nfsm_adj(mpath, NFS_MAXPATHLEN-tlen, tlen-len);
+ nfsm_adj(mpath, NFS_MAXPATHLEN - tlen, tlen - len);
}
nfsm_chain_add_32(error, &nmrep, len);
nfsm_chain_build_done(error, &nmrep);
nfsmout_if(error);
error = mbuf_setnext(nmrep.nmc_mcur, mpath);
- if (!error)
+ if (!error) {
mpath = NULL;
+ }
nfsmout:
- if (vp)
+ if (vp) {
vnode_put(vp);
- if (mpath)
+ }
+ if (mpath) {
mbuf_freem(mpath);
- if (uio_bufp != &uio_buf[0])
+ }
+ if (uio_bufp != &uio_buf[0]) {
FREE(uio_bufp, M_TEMP);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
mbuf_t *mrepp)
{
int error, attrerr, mreadcnt;
- uint32_t reqlen, maxlen, count, len, tlen, left;
+ uint32_t reqlen, maxlen, count, len, tlen;
mbuf_t mread, m;
vnode_t vp;
struct nfs_filehandle nfh;
- struct nfs_export *nx;
+ struct nfs_export *nx = NULL;
struct nfs_export_options *nxo;
uio_t auio = NULL;
char *uio_bufp = NULL;
struct vnode_attr vattr, *vap = &vattr;
off_t off;
uid_t saved_uid;
- char uio_buf[ UIO_SIZEOF(0) ];
+ char uio_buf[UIO_SIZEOF(0)];
struct nfsm_chain *nmreq, nmrep;
error = 0;
nfsm_chain_get_fh_ptr(error, nmreq, nd->nd_vers, nfh.nfh_fhp, nfh.nfh_len);
nfsmerr_if(error);
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
nfsm_chain_get_64(error, nmreq, off);
- else
+ } else {
nfsm_chain_get_32(error, nmreq, off);
+ }
nfsm_chain_get_32(error, nmreq, reqlen);
maxlen = NFSRV_NDMAXDATA(nd);
- if (reqlen > maxlen)
+ if (reqlen > maxlen) {
reqlen = maxlen;
+ }
nfsmerr_if(error);
error = nfsrv_fhtovp(&nfh, nd, &vp, &nx, &nxo);
nfsmerr_if(error);
nfsmerr_if(error);
if (vnode_vtype(vp) != VREG) {
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
error = EINVAL;
- else
+ } else {
error = (vnode_vtype(vp) == VDIR) ? EISDIR : EACCES;
+ }
}
if (!error) {
- if ((error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_READ_DATA, ctx, nxo, 1)))
- error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_EXECUTE, ctx, nxo, 1);
+ if ((error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_READ_DATA, ctx, nxo, 1))) {
+ error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_EXECUTE, ctx, nxo, 1);
+ }
}
+#if CONFIG_MACF
+ if (!error) {
+ error = mac_vnode_check_open(ctx, vp, FREAD);
+ if (error) {
+ error = EACCES;
+ } else {
+ /* XXXab: Do we need to do this?! */
+ error = mac_vnode_check_read(ctx, vfs_context_ucred(ctx), vp);
+ if (error) {
+ error = EACCES;
+ }
+ /* mac_vnode_check_exec() can't be done here. */
+ }
+ }
+ nfsmerr_if(error);
+#endif
nfsm_srv_vattr_init(vap, nd->nd_vers);
attrerr = vnode_getattr(vp, vap, ctx);
- if (!error)
+ if (!error) {
error = attrerr;
+ }
nfsmerr_if(error);
- if ((u_quad_t)off >= vap->va_data_size)
+ if ((u_quad_t)off >= vap->va_data_size) {
count = 0;
- else if (((u_quad_t)off + reqlen) > vap->va_data_size)
- count = nfsm_rndup(vap->va_data_size - off);
- else
+ } else if (((u_quad_t)off + reqlen) > vap->va_data_size) {
+ count = (int)nfsm_rndup(vap->va_data_size - off);
+ } else {
count = reqlen;
+ }
- len = left = count;
+ len = count;
if (count > 0) {
/* get mbuf list to hold read data */
error = nfsm_mbuf_get_list(count, &mread, &mreadcnt);
nfsmerr_if(error);
MALLOC(uio_bufp, char *, UIO_SIZEOF(mreadcnt), M_TEMP, M_WAITOK);
- if (uio_bufp)
+ if (uio_bufp) {
auio = uio_createwithbuffer(mreadcnt, off, UIO_SYSSPACE,
- UIO_READ, uio_bufp, UIO_SIZEOF(mreadcnt));
+ UIO_READ, uio_bufp, UIO_SIZEOF(mreadcnt));
+ }
if (!uio_bufp || !auio) {
error = ENOMEM;
goto errorexit;
}
- for (m = mread; m; m = mbuf_next(m))
+ for (m = mread; m; m = mbuf_next(m)) {
uio_addiov(auio, CAST_USER_ADDR_T((caddr_t)mbuf_data(m)), mbuf_len(m));
+ }
error = VNOP_READ(vp, auio, IO_NODELOCKED, ctx);
} else {
auio = uio_createwithbuffer(0, 0, UIO_SYSSPACE, UIO_READ, &uio_buf[0], sizeof(uio_buf));
if (!error || (nd->nd_vers == NFS_VER3)) {
nfsm_srv_vattr_init(vap, nd->nd_vers);
attrerr = vnode_getattr(vp, vap, ctx);
- if (!error && (nd->nd_vers == NFS_VER2))
+ if (!error && (nd->nd_vers == NFS_VER2)) {
error = attrerr; /* NFSv2 must have attributes to return */
+ }
}
nfsmerr_if(error);
/* trim off any data not actually read */
len -= uio_resid(auio);
tlen = nfsm_rndup(len);
- if (count != tlen || tlen != len)
+ if (count != tlen || tlen != len) {
nfsm_adj(mread, count - tlen, tlen - len);
+ }
nfsmerr:
/* assemble reply */
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, vap);
+ }
if (error || nd->nd_repstat) {
nfsm_chain_build_done(error, &nmrep);
goto nfsmout;
nfsm_chain_build_done(error, &nmrep);
nfsmout_if(error);
error = mbuf_setnext(nmrep.nmc_mcur, mread);
- if (!error)
+ if (!error) {
mread = NULL;
+ }
/* update export stats */
NFSStatAdd64(&nx->nx_stats.bytes_read, len);
/* update active user stats */
nfsrv_update_user_stat(nx, nd, saved_uid, 1, len, 0);
nfsmout:
- if (vp)
+ if (vp) {
vnode_put(vp);
- if (mread)
+ }
+ if (mread) {
mbuf_freem(mread);
- if (uio_bufp != NULL)
+ }
+ if (uio_bufp != NULL) {
FREE(uio_bufp, M_TEMP);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
#if CONFIG_FSE
* "content modified" fsevent only if there are no writes to
* a vnode for nfsrv_fmod_pendtime milliseconds.
*/
-int nfsrv_fmod_pending; /* count of vnodes being written to */
-int nfsrv_fmod_pendtime = 1000; /* msec to wait */
-int nfsrv_fmod_min_interval = 100; /* msec min interval between callbacks */
+int nfsrv_fmod_pending; /* count of vnodes being written to */
+int nfsrv_fmod_pendtime = 1000; /* msec to wait */
+int nfsrv_fmod_min_interval = 100; /* msec min interval between callbacks */
/*
* This function is called via the kernel's callout
struct nfsrv_fmod_hashhead *headp, firehead;
struct nfsrv_fmod *fp, *nfp, *pfp;
uint64_t timenow, next_deadline;
- int interval = 0, i, fmod_fire;
+ time_t interval = 0;
+ int i, fmod_fire;
LIST_INIT(&firehead);
- lck_mtx_lock(nfsrv_fmod_mutex);
+ lck_mtx_lock(&nfsrv_fmod_mutex);
again:
clock_get_uptime(&timenow);
clock_interval_to_deadline(nfsrv_fmod_pendtime, 1000 * 1000,
- &next_deadline);
+ &next_deadline);
/*
* Scan all the hash chains
*/
headp = &nfsrv_fmod_hashtbl[i];
LIST_FOREACH(fp, headp, fm_link) {
- if (timenow >= fp->fm_deadline)
+ if (timenow >= fp->fm_deadline) {
break;
- if (fp->fm_deadline < next_deadline)
+ }
+ if (fp->fm_deadline < next_deadline) {
next_deadline = fp->fm_deadline;
+ }
}
/*
nfp = LIST_NEXT(fp, fm_link);
LIST_REMOVE(fp, fm_link);
fmod_fire++;
- if (pfp)
+ if (pfp) {
LIST_INSERT_AFTER(pfp, fp, fm_link);
- else
+ } else {
LIST_INSERT_HEAD(&firehead, fp, fm_link);
+ }
pfp = fp;
fp = nfp;
}
}
if (fmod_fire) {
- lck_mtx_unlock(nfsrv_fmod_mutex);
+ lck_mtx_unlock(&nfsrv_fmod_mutex);
/*
* Fire off the content modified fsevent for each
* entry and free it.
if (nfsrv_fsevents_enabled) {
fp->fm_context.vc_thread = current_thread();
add_fsevent(FSE_CONTENT_MODIFIED, &fp->fm_context,
- FSE_ARG_VNODE, fp->fm_vp,
- FSE_ARG_DONE);
+ FSE_ARG_VNODE, fp->fm_vp,
+ FSE_ARG_DONE);
}
vnode_put(fp->fm_vp);
kauth_cred_unref(&fp->fm_context.vc_ucred);
LIST_REMOVE(fp, fm_link);
FREE(fp, M_TEMP);
}
- lck_mtx_lock(nfsrv_fmod_mutex);
+ lck_mtx_lock(&nfsrv_fmod_mutex);
nfsrv_fmod_pending -= fmod_fire;
goto again;
}
* entry is ready to send its fsevent.
*/
if (nfsrv_fmod_pending > 0) {
- interval = (next_deadline - timenow) / (1000 * 1000);
- if (interval < nfsrv_fmod_min_interval)
+ interval = ((time_t)(next_deadline - timenow)) / (1000 * 1000);
+ if (interval < nfsrv_fmod_min_interval) {
interval = nfsrv_fmod_min_interval;
+ }
}
nfsrv_fmod_timer_on = interval > 0;
- if (nfsrv_fmod_timer_on)
+ if (nfsrv_fmod_timer_on) {
nfs_interval_timer_start(nfsrv_fmod_timer_call, interval);
+ }
- lck_mtx_unlock(nfsrv_fmod_mutex);
+ lck_mtx_unlock(&nfsrv_fmod_mutex);
}
/*
struct nfsrv_fmod *fp;
struct nfsrv_fmod_hashhead *head;
- lck_mtx_lock(nfsrv_fmod_mutex);
+ lck_mtx_lock(&nfsrv_fmod_mutex);
/*
* Compute the time in the future when the
LIST_REMOVE(fp, fm_link);
LIST_INSERT_HEAD(head, fp, fm_link);
}
- lck_mtx_unlock(nfsrv_fmod_mutex);
+ lck_mtx_unlock(&nfsrv_fmod_mutex);
return;
}
}
* Allocate a new file mod entry and add it
* on the front of the hash chain.
*/
- if (vnode_get(vp) != 0)
+ if (vnode_get(vp) != 0) {
goto done;
+ }
MALLOC(fp, struct nfsrv_fmod *, sizeof(*fp), M_TEMP, M_WAITOK);
if (fp == NULL) {
vnode_put(vp);
if (!nfsrv_fmod_timer_on) {
nfsrv_fmod_timer_on = 1;
nfs_interval_timer_start(nfsrv_fmod_timer_call,
- nfsrv_fmod_pendtime);
+ nfsrv_fmod_pendtime);
}
done:
- lck_mtx_unlock(nfsrv_fmod_mutex);
+ lck_mtx_unlock(&nfsrv_fmod_mutex);
return;
}
#endif /* CONFIG_FSE */
mbuf_t m;
vnode_t vp;
struct nfs_filehandle nfh;
- struct nfs_export *nx;
+ struct nfs_export *nx = NULL;
struct nfs_export_options *nxo;
uio_t auio = NULL;
char *uio_bufp = NULL;
if (nd->nd_nmreq.nmc_mhead == NULL) {
*mrepp = NULL;
- return (0);
+ return 0;
}
error = 0;
nfsm_chain_adv(error, nmreq, NFSX_UNSIGNED);
nfsm_chain_get_32(error, nmreq, off);
nfsm_chain_adv(error, nmreq, NFSX_UNSIGNED);
- if (nfsrv_async)
- stable = NFS_WRITE_UNSTABLE;
+ if (nfsrv_async) {
+ stable = NFS_WRITE_UNSTABLE;
+ }
}
nfsm_chain_get_32(error, nmreq, len);
nfsmerr_if(error);
preattrerr = vnode_getattr(vp, &preattr, ctx);
}
if (vnode_vtype(vp) != VREG) {
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
error = EINVAL;
- else
+ } else {
error = (vnode_vtype(vp) == VDIR) ? EISDIR : EACCES;
+ }
}
- if (!error)
+ if (!error) {
error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_WRITE_DATA, ctx, nxo, 1);
+ }
nfsmerr_if(error);
+#if CONFIG_MACF
+ if (!error) {
+ error = mac_vnode_check_open(ctx, vp, FWRITE);
+ if (error) {
+ error = EACCES;
+ } else {
+ /* XXXab: Do we need to do this?! */
+ error = mac_vnode_check_write(ctx, vfs_context_ucred(ctx), vp);
+ if (error) {
+ error = EACCES;
+ }
+ }
+ }
+ nfsmerr_if(error);
+#endif
+
if (len > 0) {
- for (mcount=0, m=nmreq->nmc_mcur; m; m = mbuf_next(m))
- if (mbuf_len(m) > 0)
+ for (mcount = 0, m = nmreq->nmc_mcur; m; m = mbuf_next(m)) {
+ if (mbuf_len(m) > 0) {
mcount++;
+ }
+ }
MALLOC(uio_bufp, char *, UIO_SIZEOF(mcount), M_TEMP, M_WAITOK);
- if (uio_bufp)
+ if (uio_bufp) {
auio = uio_createwithbuffer(mcount, off, UIO_SYSSPACE, UIO_WRITE, uio_bufp, UIO_SIZEOF(mcount));
- if (!uio_bufp || !auio)
+ }
+ if (!uio_bufp || !auio) {
error = ENOMEM;
+ }
nfsmerr_if(error);
- for (m = nmreq->nmc_mcur; m; m = mbuf_next(m))
- if ((mlen = mbuf_len(m)) > 0)
+ for (m = nmreq->nmc_mcur; m; m = mbuf_next(m)) {
+ if ((mlen = (int)mbuf_len(m)) > 0) {
uio_addiov(auio, CAST_USER_ADDR_T((caddr_t)mbuf_data(m)), mlen);
+ }
+ }
/*
* XXX The IO_METASYNC flag indicates that all metadata (and not just
* enough to ensure data integrity) mus be written to stable storage
* synchronously. (IO_METASYNC is not yet implemented in 4.4BSD-Lite.)
*/
- if (stable == NFS_WRITE_UNSTABLE)
+ if (stable == NFS_WRITE_UNSTABLE) {
ioflags = IO_NODELOCKED;
- else if (stable == NFS_WRITE_DATASYNC)
+ } else if (stable == NFS_WRITE_DATASYNC) {
ioflags = (IO_SYNC | IO_NODELOCKED);
- else
+ } else {
ioflags = (IO_METASYNC | IO_SYNC | IO_NODELOCKED);
+ }
error = VNOP_WRITE(vp, auio, ioflags, ctx);
OSAddAtomic64(1, &nfsstats.srvvop_writes);
nfsrv_update_user_stat(nx, nd, saved_uid, 1, 0, len);
#if CONFIG_FSE
- if (nfsrv_fsevents_enabled && !error && need_fsevent(FSE_CONTENT_MODIFIED, vp))
+ if (nfsrv_fsevents_enabled && !error && need_fsevent(FSE_CONTENT_MODIFIED, vp)) {
nfsrv_modified(vp, ctx);
+ }
#endif
}
nfsm_srv_vattr_init(&postattr, nd->nd_vers);
postattrerr = vnode_getattr(vp, &postattr, ctx);
- if (!error && (nd->nd_vers == NFS_VER2))
+ if (!error && (nd->nd_vers == NFS_VER2)) {
error = postattrerr; /* NFSv2 must have attributes to return */
+ }
vnode_put(vp);
vp = NULL;
/* assemble reply */
nd->nd_repstat = error;
error = nfsrv_rephead(nd, slp, &nmrep, NFSX_PREOPATTR(nd->nd_vers) +
- NFSX_POSTOPORFATTR(nd->nd_vers) + 2 * NFSX_UNSIGNED +
- NFSX_WRITEVERF(nd->nd_vers));
+ NFSX_POSTOPORFATTR(nd->nd_vers) + 2 * NFSX_UNSIGNED +
+ NFSX_WRITEVERF(nd->nd_vers));
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
if (nd->nd_vers == NFS_VER3) {
nfsm_chain_add_wcc_data(error, nd, &nmrep,
- preattrerr, &preattr, postattrerr, &postattr);
+ preattrerr, &preattr, postattrerr, &postattr);
nfsmout_if(error || nd->nd_repstat);
nfsm_chain_add_32(error, &nmrep, retlen);
/* If nfsrv_async is set, then pretend the write was FILESYNC. */
- if ((stable == NFS_WRITE_UNSTABLE) && !nfsrv_async)
+ if ((stable == NFS_WRITE_UNSTABLE) && !nfsrv_async) {
nfsm_chain_add_32(error, &nmrep, stable);
- else
+ } else {
nfsm_chain_add_32(error, &nmrep, NFS_WRITE_FILESYNC);
+ }
/* write verifier */
nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_sec);
nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_usec);
}
nfsmout:
nfsm_chain_build_done(error, &nmrep);
- if (vp)
+ if (vp) {
vnode_put(vp);
- if (uio_bufp != NULL)
+ }
+ if (uio_bufp != NULL) {
FREE(uio_bufp, M_TEMP);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
* Jan. 1994.
*/
-#define NWDELAYHASH(sock, f) \
+#define NWDELAYHASH(sock, f) \
(&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ])
/* These macros compare nfsrv_descript structures. */
#define NFSW_CONTIG(o, n) \
- (((o)->nd_eoff >= (n)->nd_off) && nfsrv_fhmatch(&(o)->nd_fh, &(n)->nd_fh))
+ (((o)->nd_eoff >= (n)->nd_off) && nfsrv_fhmatch(&(o)->nd_fh, &(n)->nd_fh))
/*
* XXX The following is an incorrect comparison; it fails to take into account
* XXX scoping of MAC labels, but we currently lack KPI for credential
*/
#define NFSW_SAMECRED(o, n) \
(!bcmp((caddr_t)(o)->nd_cr, (caddr_t)(n)->nd_cr, \
- sizeof (struct ucred)))
+ sizeof (struct ucred)))
int
nfsrv_writegather(
struct nfsrv_wg_delayhash *wpp;
uid_t saved_uid;
struct vnode_attr preattr, postattr;
- int error, mlen, i, ioflags, tlen;
+ int error, mlen, i, ioflags;
+ size_t tlen;
int preattrerr, postattrerr;
vnode_t vp;
mbuf_t m;
uio_t auio = NULL;
char *uio_bufp = NULL;
- u_quad_t cur_usec;
+ time_t cur_usec;
struct timeval now;
struct nfsm_chain *nmreq, nmrep;
*mrepp = NULL;
if (*ndp) {
- nd = *ndp;
- *ndp = NULL;
- nmreq = &nd->nd_nmreq;
- LIST_INIT(&nd->nd_coalesce);
- nd->nd_mrep = NULL;
- nd->nd_stable = NFS_WRITE_FILESYNC;
- microuptime(&now);
- cur_usec = (u_quad_t)now.tv_sec * 1000000 + (u_quad_t)now.tv_usec;
- nd->nd_time = cur_usec +
- ((nd->nd_vers == NFS_VER3) ? nfsrv_wg_delay_v3 : nfsrv_wg_delay);
-
- /* Now, get the write header... */
- nfsm_chain_get_fh_ptr(error, nmreq, nd->nd_vers, nd->nd_fh.nfh_fhp, nd->nd_fh.nfh_len);
- /* XXX shouldn't we be checking for invalid FHs before doing any more work? */
- nfsmerr_if(error);
- if (nd->nd_vers == NFS_VER3) {
- nfsm_chain_get_64(error, nmreq, nd->nd_off);
- nfsm_chain_adv(error, nmreq, NFSX_UNSIGNED);
- nfsm_chain_get_32(error, nmreq, nd->nd_stable);
- } else {
- nfsm_chain_adv(error, nmreq, NFSX_UNSIGNED);
- nfsm_chain_get_32(error, nmreq, nd->nd_off);
- nfsm_chain_adv(error, nmreq, NFSX_UNSIGNED);
- if (nfsrv_async)
- nd->nd_stable = NFS_WRITE_UNSTABLE;
- }
- nfsm_chain_get_32(error, nmreq, nd->nd_len);
- nfsmerr_if(error);
- nd->nd_eoff = nd->nd_off + nd->nd_len;
-
- if (nd->nd_len > 0) {
- error = nfsm_chain_trim_data(nmreq, nd->nd_len, &mlen);
- nfsmerr_if(error);
- } else {
- mlen = 0;
- }
+ nd = *ndp;
+ *ndp = NULL;
+ nmreq = &nd->nd_nmreq;
+ LIST_INIT(&nd->nd_coalesce);
+ nd->nd_mrep = NULL;
+ nd->nd_stable = NFS_WRITE_FILESYNC;
+ microuptime(&now);
+ cur_usec = now.tv_sec * 1000000 + now.tv_usec;
+ nd->nd_time = cur_usec +
+ ((nd->nd_vers == NFS_VER3) ? nfsrv_wg_delay_v3 : nfsrv_wg_delay);
+
+ /* Now, get the write header... */
+ nfsm_chain_get_fh_ptr(error, nmreq, nd->nd_vers, nd->nd_fh.nfh_fhp, nd->nd_fh.nfh_len);
+ /* XXX shouldn't we be checking for invalid FHs before doing any more work? */
+ nfsmerr_if(error);
+ if (nd->nd_vers == NFS_VER3) {
+ nfsm_chain_get_64(error, nmreq, nd->nd_off);
+ nfsm_chain_adv(error, nmreq, NFSX_UNSIGNED);
+ nfsm_chain_get_32(error, nmreq, nd->nd_stable);
+ } else {
+ nfsm_chain_adv(error, nmreq, NFSX_UNSIGNED);
+ nfsm_chain_get_32(error, nmreq, nd->nd_off);
+ nfsm_chain_adv(error, nmreq, NFSX_UNSIGNED);
+ if (nfsrv_async) {
+ nd->nd_stable = NFS_WRITE_UNSTABLE;
+ }
+ }
+ nfsm_chain_get_32(error, nmreq, nd->nd_len);
+ nfsmerr_if(error);
+ nd->nd_eoff = nd->nd_off + nd->nd_len;
- if ((nd->nd_len > NFSRV_MAXDATA) || (nd->nd_len < 0) || (mlen < nd->nd_len)) {
- error = EIO;
+ if (nd->nd_len > 0) {
+ error = nfsm_chain_trim_data(nmreq, nd->nd_len, &mlen);
+ nfsmerr_if(error);
+ } else {
+ mlen = 0;
+ }
+
+ if ((nd->nd_len > NFSRV_MAXDATA) || (nd->nd_len < 0) || (mlen < nd->nd_len)) {
+ error = EIO;
nfsmerr:
- nd->nd_repstat = error;
- error = nfsrv_rephead(nd, slp, &nmrep, NFSX_WCCDATA(nd->nd_vers));
- if (!error) {
- nd->nd_mrep = nmrep.nmc_mhead;
- if (nd->nd_vers == NFS_VER3)
- nfsm_chain_add_wcc_data(error, nd, &nmrep,
- preattrerr, &preattr, postattrerr, &postattr);
+ nd->nd_repstat = error;
+ error = nfsrv_rephead(nd, slp, &nmrep, NFSX_WCCDATA(nd->nd_vers));
+ if (!error) {
+ nd->nd_mrep = nmrep.nmc_mhead;
+ if (nd->nd_vers == NFS_VER3) {
+ nfsm_chain_add_wcc_data(error, nd, &nmrep,
+ preattrerr, &preattr, postattrerr, &postattr);
+ }
+ }
+ nfsm_chain_build_done(error, &nmrep);
+ nd->nd_time = 1;
}
- nfsm_chain_build_done(error, &nmrep);
- nd->nd_time = 1;
- }
-
- /*
- * Add this entry to the hash and time queues.
- */
- lck_mtx_lock(&slp->ns_wgmutex);
- owp = NULL;
- wp = slp->ns_tq.lh_first;
- while (wp && wp->nd_time < nd->nd_time) {
- owp = wp;
- wp = wp->nd_tq.le_next;
- }
- if (owp) {
- LIST_INSERT_AFTER(owp, nd, nd_tq);
- } else {
- LIST_INSERT_HEAD(&slp->ns_tq, nd, nd_tq);
- }
- if (!error) {
- wpp = NWDELAYHASH(slp, nd->nd_fh.nfh_fid);
+
+ /*
+ * Add this entry to the hash and time queues.
+ */
+ lck_mtx_lock(&slp->ns_wgmutex);
owp = NULL;
- wp = wpp->lh_first;
- while (wp && !nfsrv_fhmatch(&nd->nd_fh, &wp->nd_fh)) {
- owp = wp;
- wp = wp->nd_hash.le_next;
- }
- while (wp && (wp->nd_off < nd->nd_off) &&
- nfsrv_fhmatch(&nd->nd_fh, &wp->nd_fh)) {
- owp = wp;
- wp = wp->nd_hash.le_next;
+ wp = slp->ns_tq.lh_first;
+ while (wp && wp->nd_time < nd->nd_time) {
+ owp = wp;
+ wp = wp->nd_tq.le_next;
}
if (owp) {
- LIST_INSERT_AFTER(owp, nd, nd_hash);
- /*
- * Search the hash list for overlapping entries and
- * coalesce.
- */
- for(; nd && NFSW_CONTIG(owp, nd); nd = wp) {
- wp = nd->nd_hash.le_next;
- if (NFSW_SAMECRED(owp, nd))
- nfsrv_wg_coalesce(owp, nd);
- }
+ LIST_INSERT_AFTER(owp, nd, nd_tq);
} else {
- LIST_INSERT_HEAD(wpp, nd, nd_hash);
+ LIST_INSERT_HEAD(&slp->ns_tq, nd, nd_tq);
+ }
+ if (!error) {
+ wpp = NWDELAYHASH(slp, nd->nd_fh.nfh_fid);
+ owp = NULL;
+ wp = wpp->lh_first;
+ while (wp && !nfsrv_fhmatch(&nd->nd_fh, &wp->nd_fh)) {
+ owp = wp;
+ wp = wp->nd_hash.le_next;
+ }
+ while (wp && (wp->nd_off < nd->nd_off) &&
+ nfsrv_fhmatch(&nd->nd_fh, &wp->nd_fh)) {
+ owp = wp;
+ wp = wp->nd_hash.le_next;
+ }
+ if (owp) {
+ LIST_INSERT_AFTER(owp, nd, nd_hash);
+ /*
+ * Search the hash list for overlapping entries and
+ * coalesce.
+ */
+ for (; nd && NFSW_CONTIG(owp, nd); nd = wp) {
+ wp = nd->nd_hash.le_next;
+ if (NFSW_SAMECRED(owp, nd)) {
+ nfsrv_wg_coalesce(owp, nd);
+ }
+ }
+ } else {
+ LIST_INSERT_HEAD(wpp, nd, nd_hash);
+ }
}
- }
} else {
- lck_mtx_lock(&slp->ns_wgmutex);
+ lck_mtx_lock(&slp->ns_wgmutex);
}
/*
*/
loop1:
microuptime(&now);
- cur_usec = (u_quad_t)now.tv_sec * 1000000 + (u_quad_t)now.tv_usec;
+ cur_usec = now.tv_sec * 1000000 + now.tv_usec;
for (nd = slp->ns_tq.lh_first; nd; nd = owp) {
owp = nd->nd_tq.le_next;
- if (nd->nd_time > cur_usec)
- break;
- if (nd->nd_mrep)
- continue;
+ if (nd->nd_time > cur_usec) {
+ break;
+ }
+ if (nd->nd_mrep) {
+ continue;
+ }
LIST_REMOVE(nd, nd_tq);
LIST_REMOVE(nd, nd_hash);
nmreq = &nd->nd_nmreq;
preattrerr = postattrerr = ENOENT;
- /* save the incoming uid before mapping, */
+ /* save the incoming uid before mapping, */
/* for updating active user stats later */
saved_uid = kauth_cred_getuid(nd->nd_cr);
error = nfsrv_fhtovp(&nd->nd_fh, nd, &vp, &nx, &nxo);
if (!error) {
- /* update per-export stats */
- NFSStatAdd64(&nx->nx_stats.ops, 1);
+ /* update per-export stats */
+ NFSStatAdd64(&nx->nx_stats.ops, 1);
- error = nfsrv_credcheck(nd, ctx, nx, nxo);
- if (error)
- vnode_put(vp);
+ error = nfsrv_credcheck(nd, ctx, nx, nxo);
+ if (error) {
+ vnode_put(vp);
+ }
}
if (!error) {
- if (nd->nd_vers == NFS_VER3) {
- nfsm_srv_pre_vattr_init(&preattr);
- preattrerr = vnode_getattr(vp, &preattr, ctx);
- }
- if (vnode_vtype(vp) != VREG) {
- if (nd->nd_vers == NFS_VER3)
- error = EINVAL;
- else
- error = (vnode_vtype(vp) == VDIR) ? EISDIR : EACCES;
- }
- } else
- vp = NULL;
- if (!error)
- error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_WRITE_DATA, ctx, nxo, 1);
-
- if (nd->nd_stable == NFS_WRITE_UNSTABLE)
- ioflags = IO_NODELOCKED;
- else if (nd->nd_stable == NFS_WRITE_DATASYNC)
- ioflags = (IO_SYNC | IO_NODELOCKED);
- else
- ioflags = (IO_METASYNC | IO_SYNC | IO_NODELOCKED);
+ if (nd->nd_vers == NFS_VER3) {
+ nfsm_srv_pre_vattr_init(&preattr);
+ preattrerr = vnode_getattr(vp, &preattr, ctx);
+ }
+ if (vnode_vtype(vp) != VREG) {
+ if (nd->nd_vers == NFS_VER3) {
+ error = EINVAL;
+ } else {
+ error = (vnode_vtype(vp) == VDIR) ? EISDIR : EACCES;
+ }
+ }
+ } else {
+ vp = NULL;
+ }
+ if (!error) {
+ error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_WRITE_DATA, ctx, nxo, 1);
+ }
+
+ if (nd->nd_stable == NFS_WRITE_UNSTABLE) {
+ ioflags = IO_NODELOCKED;
+ } else if (nd->nd_stable == NFS_WRITE_DATASYNC) {
+ ioflags = (IO_SYNC | IO_NODELOCKED);
+ } else {
+ ioflags = (IO_METASYNC | IO_SYNC | IO_NODELOCKED);
+ }
if (!error && ((nd->nd_eoff - nd->nd_off) > 0)) {
- for (i=0, m=nmreq->nmc_mhead; m; m = mbuf_next(m))
- if (mbuf_len(m) > 0)
- i++;
-
- MALLOC(uio_bufp, char *, UIO_SIZEOF(i), M_TEMP, M_WAITOK);
- if (uio_bufp)
- auio = uio_createwithbuffer(i, nd->nd_off, UIO_SYSSPACE,
- UIO_WRITE, uio_bufp, UIO_SIZEOF(i));
- if (!uio_bufp || !auio)
- error = ENOMEM;
- if (!error) {
- for (m = nmreq->nmc_mhead; m; m = mbuf_next(m))
- if ((tlen = mbuf_len(m)) > 0)
- uio_addiov(auio, CAST_USER_ADDR_T((caddr_t)mbuf_data(m)), tlen);
- error = VNOP_WRITE(vp, auio, ioflags, ctx);
- OSAddAtomic64(1, &nfsstats.srvvop_writes);
+ for (i = 0, m = nmreq->nmc_mhead; m; m = mbuf_next(m)) {
+ if (mbuf_len(m) > 0) {
+ i++;
+ }
+ }
- /* update export stats */
- NFSStatAdd64(&nx->nx_stats.bytes_written, nd->nd_len);
- /* update active user stats */
- nfsrv_update_user_stat(nx, nd, saved_uid, 1, 0, nd->nd_len);
+ MALLOC(uio_bufp, char *, UIO_SIZEOF(i), M_TEMP, M_WAITOK);
+ if (uio_bufp) {
+ auio = uio_createwithbuffer(i, nd->nd_off, UIO_SYSSPACE,
+ UIO_WRITE, uio_bufp, UIO_SIZEOF(i));
+ }
+ if (!uio_bufp || !auio) {
+ error = ENOMEM;
+ }
+ if (!error) {
+ for (m = nmreq->nmc_mhead; m; m = mbuf_next(m)) {
+ if ((tlen = mbuf_len(m)) > 0) {
+ uio_addiov(auio, CAST_USER_ADDR_T((caddr_t)mbuf_data(m)), tlen);
+ }
+ }
+ error = VNOP_WRITE(vp, auio, ioflags, ctx);
+ OSAddAtomic64(1, &nfsstats.srvvop_writes);
+
+ /* update export stats */
+ NFSStatAdd64(&nx->nx_stats.bytes_written, nd->nd_len);
+ /* update active user stats */
+ nfsrv_update_user_stat(nx, nd, saved_uid, 1, 0, nd->nd_len);
#if CONFIG_FSE
- if (nfsrv_fsevents_enabled && !error && need_fsevent(FSE_CONTENT_MODIFIED, vp))
- nfsrv_modified(vp, ctx);
+ if (nfsrv_fsevents_enabled && !error && need_fsevent(FSE_CONTENT_MODIFIED, vp)) {
+ nfsrv_modified(vp, ctx);
+ }
#endif
- }
- if (uio_bufp) {
- FREE(uio_bufp, M_TEMP);
- uio_bufp = NULL;
- }
+ }
+ if (uio_bufp) {
+ FREE(uio_bufp, M_TEMP);
+ uio_bufp = NULL;
+ }
}
if (vp) {
- nfsm_srv_vattr_init(&postattr, nd->nd_vers);
- postattrerr = vnode_getattr(vp, &postattr, ctx);
- vnode_put(vp);
+ nfsm_srv_vattr_init(&postattr, nd->nd_vers);
+ postattrerr = vnode_getattr(vp, &postattr, ctx);
+ vnode_put(vp);
}
/*
*/
swp = nd;
do {
- if (error) {
- nd->nd_repstat = error;
- error = nfsrv_rephead(nd, slp, &nmrep, NFSX_WCCDATA(nd->nd_vers));
- if (!error && (nd->nd_vers == NFS_VER3)) {
- nfsm_chain_add_wcc_data(error, nd, &nmrep,
- preattrerr, &preattr, postattrerr, &postattr);
+ if (error) {
+ nd->nd_repstat = error;
+ error = nfsrv_rephead(nd, slp, &nmrep, NFSX_WCCDATA(nd->nd_vers));
+ if (!error && (nd->nd_vers == NFS_VER3)) {
+ nfsm_chain_add_wcc_data(error, nd, &nmrep,
+ preattrerr, &preattr, postattrerr, &postattr);
+ }
+ } else {
+ nd->nd_repstat = error;
+ error = nfsrv_rephead(nd, slp, &nmrep, NFSX_PREOPATTR(nd->nd_vers) +
+ NFSX_POSTOPORFATTR(nd->nd_vers) + 2 * NFSX_UNSIGNED +
+ NFSX_WRITEVERF(nd->nd_vers));
+ if (!error && (nd->nd_vers == NFS_VER3)) {
+ nfsm_chain_add_wcc_data(error, nd, &nmrep,
+ preattrerr, &preattr, postattrerr, &postattr);
+ nfsm_chain_add_32(error, &nmrep, nd->nd_len);
+ nfsm_chain_add_32(error, &nmrep, nd->nd_stable);
+ /* write verifier */
+ nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_sec);
+ nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_usec);
+ } else if (!error) {
+ error = nfsm_chain_add_fattr(nd, &nmrep, &postattr);
+ }
}
- } else {
- nd->nd_repstat = error;
- error = nfsrv_rephead(nd, slp, &nmrep, NFSX_PREOPATTR(nd->nd_vers) +
- NFSX_POSTOPORFATTR(nd->nd_vers) + 2 * NFSX_UNSIGNED +
- NFSX_WRITEVERF(nd->nd_vers));
- if (!error && (nd->nd_vers == NFS_VER3)) {
- nfsm_chain_add_wcc_data(error, nd, &nmrep,
- preattrerr, &preattr, postattrerr, &postattr);
- nfsm_chain_add_32(error, &nmrep, nd->nd_len);
- nfsm_chain_add_32(error, &nmrep, nd->nd_stable);
- /* write verifier */
- nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_sec);
- nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_usec);
- } else if (!error) {
- error = nfsm_chain_add_fattr(nd, &nmrep, &postattr);
+ nfsm_chain_build_done(error, &nmrep);
+ nfsmerr_if(error);
+ nd->nd_mrep = nmrep.nmc_mhead;
+
+ /*
+ * Done. Put it at the head of the timer queue so that
+ * the final phase can return the reply.
+ */
+ if (nd != swp) {
+ nd->nd_time = 1;
+ LIST_INSERT_HEAD(&slp->ns_tq, nd, nd_tq);
+ }
+ nd = swp->nd_coalesce.lh_first;
+ if (nd) {
+ LIST_REMOVE(nd, nd_tq);
}
- }
- nfsm_chain_build_done(error, &nmrep);
- nfsmerr_if(error);
- nd->nd_mrep = nmrep.nmc_mhead;
-
- /*
- * Done. Put it at the head of the timer queue so that
- * the final phase can return the reply.
- */
- if (nd != swp) {
- nd->nd_time = 1;
- LIST_INSERT_HEAD(&slp->ns_tq, nd, nd_tq);
- }
- nd = swp->nd_coalesce.lh_first;
- if (nd) {
- LIST_REMOVE(nd, nd_tq);
- }
} while (nd);
swp->nd_time = 1;
LIST_INSERT_HEAD(&slp->ns_tq, swp, nd_tq);
/*
* Search for a reply to return.
*/
- for (nd = slp->ns_tq.lh_first; nd; nd = nd->nd_tq.le_next)
+ for (nd = slp->ns_tq.lh_first; nd; nd = nd->nd_tq.le_next) {
if (nd->nd_mrep) {
- LIST_REMOVE(nd, nd_tq);
- *mrepp = nd->nd_mrep;
- *ndp = nd;
- break;
+ LIST_REMOVE(nd, nd_tq);
+ *mrepp = nd->nd_mrep;
+ *ndp = nd;
+ break;
}
+ }
slp->ns_wgtime = slp->ns_tq.lh_first ? slp->ns_tq.lh_first->nd_time : 0;
lck_mtx_unlock(&slp->ns_wgmutex);
*
* Add/Remove the socket in the nfsrv_sockwg queue as needed.
*/
- lck_mtx_lock(nfsd_mutex);
+ lck_mtx_lock(&nfsd_mutex);
if (slp->ns_wgtime) {
if (slp->ns_wgq.tqe_next == SLPNOLIST) {
TAILQ_INSERT_HEAD(&nfsrv_sockwg, slp, ns_wgq);
if (!nfsrv_wg_timer_on) {
nfsrv_wg_timer_on = 1;
nfs_interval_timer_start(nfsrv_wg_timer_call,
- NFSRV_WGATHERDELAY);
+ NFSRV_WGATHERDELAY);
}
} else if (slp->ns_wgq.tqe_next != SLPNOLIST) {
TAILQ_REMOVE(&nfsrv_sockwg, slp, ns_wgq);
slp->ns_wgq.tqe_next = SLPNOLIST;
}
- lck_mtx_unlock(nfsd_mutex);
+ lck_mtx_unlock(&nfsd_mutex);
- return (0);
+ return 0;
}
/*
int
nfsrv_wg_coalesce(struct nfsrv_descript *owp, struct nfsrv_descript *nd)
{
- int overlap, error;
+ int error;
+ off_t overlap;
mbuf_t mp, mpnext;
struct nfsrv_descript *p;
LIST_REMOVE(nd, nd_tq);
if (owp->nd_eoff < nd->nd_eoff) {
overlap = owp->nd_eoff - nd->nd_off;
- if (overlap < 0)
- return (EIO);
- if (overlap > 0)
- mbuf_adj(nd->nd_nmreq.nmc_mhead, overlap);
+ if (overlap < 0) {
+ return EIO;
+ }
+ if (overlap > 0) {
+ mbuf_adj(nd->nd_nmreq.nmc_mhead, (int)overlap);
+ }
mp = owp->nd_nmreq.nmc_mhead;
- while ((mpnext = mbuf_next(mp)))
+ while ((mpnext = mbuf_next(mp))) {
mp = mpnext;
+ }
error = mbuf_setnext(mp, nd->nd_nmreq.nmc_mhead);
- if (error)
- return (error);
+ if (error) {
+ return error;
+ }
owp->nd_eoff = nd->nd_eoff;
} else {
mbuf_freem(nd->nd_nmreq.nmc_mhead);
}
nd->nd_nmreq.nmc_mhead = NULL;
nd->nd_nmreq.nmc_mcur = NULL;
- if (nd->nd_stable == NFS_WRITE_FILESYNC)
+ if (nd->nd_stable == NFS_WRITE_FILESYNC) {
owp->nd_stable = NFS_WRITE_FILESYNC;
- else if ((nd->nd_stable == NFS_WRITE_DATASYNC) &&
- (owp->nd_stable == NFS_WRITE_UNSTABLE))
+ } else if ((nd->nd_stable == NFS_WRITE_DATASYNC) &&
+ (owp->nd_stable == NFS_WRITE_UNSTABLE)) {
owp->nd_stable = NFS_WRITE_DATASYNC;
+ }
LIST_INSERT_HEAD(&owp->nd_coalesce, nd, nd_tq);
/*
LIST_REMOVE(p, nd_tq);
LIST_INSERT_HEAD(&owp->nd_coalesce, p, nd_tq);
}
- return (0);
+ return 0;
}
/*
nfsrv_wg_timer(__unused void *param0, __unused void *param1)
{
struct timeval now;
- uint64_t cur_usec, next_usec;
- int interval;
+ time_t cur_usec, next_usec;
+ time_t interval;
struct nfsrv_sock *slp;
int writes_pending = 0;
microuptime(&now);
- cur_usec = (uint64_t)now.tv_sec * 1000000 + (uint64_t)now.tv_usec;
+ cur_usec = now.tv_sec * 1000000 + now.tv_usec;
next_usec = cur_usec + (NFSRV_WGATHERDELAY * 1000);
- lck_mtx_lock(nfsd_mutex);
+ lck_mtx_lock(&nfsd_mutex);
TAILQ_FOREACH(slp, &nfsrv_sockwg, ns_wgq) {
if (slp->ns_wgtime) {
writes_pending++;
nfsrv_wakenfsd(slp);
continue;
}
- if (slp->ns_wgtime < next_usec)
+ if (slp->ns_wgtime < next_usec) {
next_usec = slp->ns_wgtime;
+ }
}
}
if (writes_pending == 0) {
nfsrv_wg_timer_on = 0;
- lck_mtx_unlock(nfsd_mutex);
+ lck_mtx_unlock(&nfsd_mutex);
return;
}
- lck_mtx_unlock(nfsd_mutex);
+ lck_mtx_unlock(&nfsd_mutex);
/*
* Return the number of msec to wait again
*/
interval = (next_usec - cur_usec) / 1000;
- if (interval < 1)
+ if (interval < 1) {
interval = 1;
+ }
nfs_interval_timer_start(nfsrv_wg_timer_call, interval);
}
for (i = 1; i < num; i++) {
v = list[i];
/* find correct slot for value v, moving others up */
- for (j = i; --j >= 0 && v < list[j];)
+ for (j = i; --j >= 0 && v < list[j];) {
list[j + 1] = list[j];
+ }
list[j + 1] = v;
}
}
struct vnode_attr dpreattr, dpostattr, postattr;
struct vnode_attr va, *vap = &va;
struct nameidata ni;
- int error, rdev, dpreattrerr, dpostattrerr, postattrerr;
+ int error, dpreattrerr, dpostattrerr, postattrerr;
int how, exclusive_flag;
uint32_t len = 0, cnflags;
+ uint64_t rdev;
vnode_t vp, dvp, dirp;
struct nfs_filehandle nfh;
struct nfs_export *nx = NULL;
- struct nfs_export_options *nxo;
+ struct nfs_export_options *nxo = NULL;
u_quad_t tempsize;
u_char cverf[NFSX_V3CREATEVERF];
uid_t saved_uid;
ni.ni_op = OP_LINK;
#endif
ni.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF;
+ ni.ni_cnd.cn_ndp = ∋
+
error = nfsm_chain_get_path_namei(nmreq, len, &ni);
if (!error) {
error = nfsrv_namei(nd, ctx, &ni, &nfh, &dirp, &nx, &nxo);
error = EEXIST;
break;
}
+ OS_FALLTHROUGH;
case NFS_CREATE_UNCHECKED:
error = nfsm_chain_get_sattr(nd, nmreq, vap);
break;
case NFS_CREATE_EXCLUSIVE:
nfsm_chain_get_opaque(error, nmreq, NFSX_V3CREATEVERF, cverf);
exclusive_flag = 1;
- if (vp == NULL)
+ if (vp == NULL) {
VATTR_SET(vap, va_mode, 0);
+ }
break;
- };
+ }
+ ;
VATTR_SET(vap, va_type, VREG);
} else {
- enum vtype v_type;
+ enum vtype v_type;
error = nfsm_chain_get_sattr(nd, nmreq, vap);
nfsmerr_if(error);
v_type = vap->va_type;
- if (v_type == VNON)
+ if (v_type == VNON) {
v_type = VREG;
+ }
VATTR_SET(vap, va_type, v_type);
switch (v_type) {
break;
default:
break;
- };
+ }
+ ;
}
nfsmerr_if(error);
* should I set the mode too ??
*/
if (vp == NULL) {
- kauth_acl_t xacl = NULL;
+ kauth_acl_t xacl = NULL;
/* authorize before creating */
error = nfsrv_authorize(dvp, NULL, KAUTH_VNODE_ADD_FILE, ctx, nxo, 0);
0 /* !isdir */,
ctx);
- if (!error && xacl != NULL)
- VATTR_SET(vap, va_acl, xacl);
+ if (!error && xacl != NULL) {
+ VATTR_SET(vap, va_acl, xacl);
+ }
}
VATTR_CLEAR_ACTIVE(vap, va_data_size);
VATTR_CLEAR_ACTIVE(vap, va_access_time);
/*
- * Server policy is to alway use the mapped rpc credential for
+ * Server policy is to alway use the mapped rpc credential for
* file system object creation. This has the nice side effect of
* enforcing BSD creation semantics
*/
VATTR_CLEAR_ACTIVE(vap, va_gid);
/* validate new-file security information */
- if (!error)
+ if (!error) {
error = vnode_authattr_new(dvp, vap, 0, ctx);
+ }
- if (vap->va_type == VREG || vap->va_type == VSOCK) {
+ if (!error) {
+ error = vn_authorize_create(dvp, &ni.ni_cnd, vap, ctx, NULL);
+ if (error) {
+ error = EACCES;
+ }
+ }
- if (!error)
+ if (vap->va_type == VREG || vap->va_type == VSOCK) {
+ if (!error) {
error = VNOP_CREATE(dvp, &vp, &ni.ni_cnd, vap, ctx);
+ }
- if (!error && !VATTR_ALL_SUPPORTED(vap))
- /*
+ if (!error && !VATTR_ALL_SUPPORTED(vap)) {
+ /*
* If some of the requested attributes weren't handled by the VNOP,
* use our fallback code.
*/
error = vnode_setattr_fallback(vp, vap, ctx);
+ }
- if (xacl != NULL)
+ if (xacl != NULL) {
kauth_acl_free(xacl);
+ }
if (!error) {
if (exclusive_flag) {
exclusive_flag = 0;
VATTR_INIT(vap);
bcopy(cverf, (caddr_t)&vap->va_access_time,
- NFSX_V3CREATEVERF);
+ NFSX_V3CREATEVERF);
VATTR_SET_ACTIVE(vap, va_access_time);
// skip authorization, as this is an
// NFS internal implementation detail.
#if CONFIG_FSE
if (nfsrv_fsevents_enabled && need_fsevent(FSE_CREATE_FILE, vp)) {
- add_fsevent(FSE_CREATE_FILE, ctx,
- FSE_ARG_VNODE, vp,
- FSE_ARG_DONE);
+ add_fsevent(FSE_CREATE_FILE, ctx,
+ FSE_ARG_VNODE, vp,
+ FSE_ARG_DONE);
}
#endif
}
-
} else if (vap->va_type == VCHR || vap->va_type == VBLK ||
- vap->va_type == VFIFO) {
- if (vap->va_type == VCHR && rdev == (int)0xffffffff)
+ vap->va_type == VFIFO) {
+ if (vap->va_type == VCHR && rdev == 0xffffffff) {
VATTR_SET(vap, va_type, VFIFO);
+ }
if (vap->va_type != VFIFO) {
error = suser(nd->nd_cr, NULL);
nfsmerr_if(error);
error = VNOP_MKNOD(dvp, &vp, &ni.ni_cnd, vap, ctx);
- if (xacl != NULL)
+ if (xacl != NULL) {
kauth_acl_free(xacl);
+ }
nfsmerr_if(error);
ni.ni_cnd.cn_context = ctx;
ni.ni_startdir = dvp;
ni.ni_usedvp = dvp;
+ ni.ni_rootdir = rootvnode;
cnflags = ni.ni_cnd.cn_flags; /* store in case we have to restore */
while ((error = lookup(&ni)) == ERECYCLE) {
ni.ni_cnd.cn_flags = cnflags;
ni.ni_usedvp = ni.ni_dvp = ni.ni_startdir = dvp;
}
if (!error) {
- if (ni.ni_cnd.cn_flags & ISSYMLINK)
+ if (ni.ni_cnd.cn_flags & ISSYMLINK) {
error = EINVAL;
+ }
vp = ni.ni_vp;
}
nfsmerr_if(error);
vnode_put(dvp);
} else {
- /*
+ /*
* nameidone has to happen before we vnode_put(dvp)
* since it may need to release the fs_nodelock on the dvp
*/
- nameidone(&ni);
+ nameidone(&ni);
ni.ni_cnd.cn_nameiop = 0;
vnode_put(dvp);
+#if CONFIG_MACF
+ if (!error && VATTR_IS_ACTIVE(vap, va_data_size)) {
+ /* NOTE: File has not been open for NFS case, so NOCRED for filecred */
+ error = mac_vnode_check_truncate(ctx, NOCRED, vp);
+ if (error) {
+ error = EACCES;
+ }
+ }
+#endif
if (!error && VATTR_IS_ACTIVE(vap, va_data_size)) {
error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_WRITE_DATA,
ctx, nxo, 0);
if (!error) {
nfsm_srv_vattr_init(&postattr, nd->nd_vers);
postattrerr = vnode_getattr(vp, &postattr, ctx);
- if (nd->nd_vers == NFS_VER2)
+ if (nd->nd_vers == NFS_VER2) {
error = postattrerr;
+ }
}
}
- if (vp)
- vnode_put(vp);
+ if (vp) {
+ vnode_put(vp);
+ }
if (nd->nd_vers == NFS_VER3) {
if (exclusive_flag && !error &&
- bcmp(cverf, &postattr.va_access_time, NFSX_V3CREATEVERF))
+ bcmp(cverf, &postattr.va_access_time, NFSX_V3CREATEVERF)) {
error = EEXIST;
+ }
nfsm_srv_vattr_init(&dpostattr, NFS_VER3);
dpostattrerr = vnode_getattr(dirp, &dpostattr, ctx);
vnode_put(dirp);
/* assemble reply */
nd->nd_repstat = error;
error = nfsrv_rephead(nd, slp, &nmrep, NFSX_SRVFH(nd->nd_vers, &nfh) +
- NFSX_FATTR(nd->nd_vers) + NFSX_WCCDATA(nd->nd_vers));
+ NFSX_FATTR(nd->nd_vers) + NFSX_WCCDATA(nd->nd_vers));
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
nfsm_chain_add_postop_attr(error, nd, &nmrep, postattrerr, &postattr);
}
nfsm_chain_add_wcc_data(error, nd, &nmrep,
- dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
+ dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
} else {
nfsm_chain_add_fh(error, &nmrep, NFS_VER2, nfh.nfh_fhp, nfh.nfh_len);
- if (!error)
+ if (!error) {
error = nfsm_chain_add_fattr(nd, &nmrep, &postattr);
+ }
}
nfsmout:
nfsm_chain_build_done(error, &nmrep);
if (ni.ni_cnd.cn_nameiop) {
- /*
+ /*
* nameidone has to happen before we vnode_put(dvp)
* since it may need to release the fs_nodelock on the dvp
*/
nameidone(&ni);
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
vnode_put(dvp);
}
- if (dirp)
+ if (dirp) {
vnode_put(dirp);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
vnode_t vp, dvp, dirp;
struct nfs_filehandle nfh;
struct nfs_export *nx = NULL;
- struct nfs_export_options *nxo;
+ struct nfs_export_options *nxo = NULL;
uid_t saved_uid;
kauth_acl_t xacl = NULL;
struct nfsm_chain *nmreq, nmrep;
ni.ni_op = OP_LINK;
#endif
ni.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF;
+ ni.ni_cnd.cn_ndp = ∋
error = nfsm_chain_get_path_namei(nmreq, len, &ni);
if (!error) {
error = nfsrv_namei(nd, ctx, &ni, &nfh, &dirp, &nx, &nxo);
0 /* !isdir */,
ctx);
- if (!error && xacl != NULL)
- VATTR_SET(vap, va_acl, xacl);
+ if (!error && xacl != NULL) {
+ VATTR_SET(vap, va_acl, xacl);
+ }
}
VATTR_CLEAR_ACTIVE(vap, va_data_size);
VATTR_CLEAR_ACTIVE(vap, va_access_time);
/*
- * Server policy is to alway use the mapped rpc credential for
+ * Server policy is to alway use the mapped rpc credential for
* file system object creation. This has the nice side effect of
* enforcing BSD creation semantics
*/
VATTR_CLEAR_ACTIVE(vap, va_gid);
/* validate new-file security information */
- if (!error)
+ if (!error) {
error = vnode_authattr_new(dvp, vap, 0, ctx);
-
- if (error)
+ }
+ if (!error) {
+ error = vn_authorize_create(dvp, &ni.ni_cnd, vap, ctx, NULL);
+ if (error) {
+ error = EACCES;
+ }
+ }
+ if (error) {
goto out1;
+ }
if (vtyp == VSOCK) {
error = VNOP_CREATE(dvp, &vp, &ni.ni_cnd, vap, ctx);
- if (!error && !VATTR_ALL_SUPPORTED(vap))
- /*
+ if (!error && !VATTR_ALL_SUPPORTED(vap)) {
+ /*
* If some of the requested attributes weren't handled by the VNOP,
* use our fallback code.
*/
error = vnode_setattr_fallback(vp, vap, ctx);
+ }
} else {
- if (vtyp != VFIFO && (error = suser(nd->nd_cr, (u_short *)0)))
+ if (vtyp != VFIFO && (error = suser(nd->nd_cr, (u_short *)0))) {
goto out1;
- if ((error = VNOP_MKNOD(dvp, &vp, &ni.ni_cnd, vap, ctx)))
+ }
+ if ((error = VNOP_MKNOD(dvp, &vp, &ni.ni_cnd, vap, ctx))) {
goto out1;
+ }
if (vp) {
vnode_recycle(vp);
vnode_put(vp);
ni.ni_cnd.cn_context = vfs_context_current();
ni.ni_startdir = dvp;
ni.ni_usedvp = dvp;
+ ni.ni_rootdir = rootvnode;
cnflags = ni.ni_cnd.cn_flags; /* store in case we have to restore */
while ((error = lookup(&ni)) == ERECYCLE) {
ni.ni_cnd.cn_flags = cnflags;
ni.ni_usedvp = ni.ni_dvp = ni.ni_startdir = dvp;
}
if (!error) {
- vp = ni.ni_vp;
- if (ni.ni_cnd.cn_flags & ISSYMLINK)
- error = EINVAL;
+ vp = ni.ni_vp;
+ if (ni.ni_cnd.cn_flags & ISSYMLINK) {
+ error = EINVAL;
+ }
}
}
out1:
- if (xacl != NULL)
+ if (xacl != NULL) {
kauth_acl_free(xacl);
+ }
out:
/*
* nameidone has to happen before we vnode_put(dvp)
/* assemble reply */
nd->nd_repstat = error;
error = nfsrv_rephead(nd, slp, &nmrep, NFSX_SRVFH(NFS_VER3, &nfh) +
- NFSX_POSTOPATTR(NFS_VER3) + NFSX_WCCDATA(NFS_VER3));
+ NFSX_POSTOPATTR(NFS_VER3) + NFSX_WCCDATA(NFS_VER3));
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
nfsm_chain_add_postop_attr(error, nd, &nmrep, postattrerr, &postattr);
}
nfsm_chain_add_wcc_data(error, nd, &nmrep,
- dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
+ dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
nfsmout:
nfsm_chain_build_done(error, &nmrep);
if (ni.ni_cnd.cn_nameiop) {
- /*
+ /*
* nameidone has to happen before we vnode_put(dvp)
* since it may need to release the fs_nodelock on the dvp
*/
nameidone(&ni);
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
vnode_put(dvp);
}
- if (dvp)
+ if (dvp) {
vnode_put(dvp);
- if (vp)
+ }
+ if (vp) {
vnode_put(vp);
- if (dirp)
+ }
+ if (dirp) {
vnode_put(dirp);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
struct vnode_attr dpreattr, dpostattr;
struct nfs_filehandle nfh;
struct nfs_export *nx = NULL;
- struct nfs_export_options *nxo;
+ struct nfs_export_options *nxo = NULL;
struct nfsm_chain *nmreq, nmrep;
error = 0;
ni.ni_op = OP_UNLINK;
#endif
ni.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF;
+ ni.ni_cnd.cn_ndp = ∋
error = nfsm_chain_get_path_namei(nmreq, len, &ni);
if (!error) {
error = nfsrv_namei(nd, ctx, &ni, &nfh, &dirp, &nx, &nxo);
}
}
if (dirp) {
- if (nd->nd_vers == NFS_VER3) {
+ if (nd->nd_vers == NFS_VER3) {
nfsm_srv_pre_vattr_init(&dpreattr);
dpreattrerr = vnode_getattr(dirp, &dpreattr, ctx);
} else {
dvp = ni.ni_dvp;
vp = ni.ni_vp;
- if (vnode_vtype(vp) == VDIR)
- error = EPERM; /* POSIX */
- else if (vnode_isvroot(vp))
- /*
+ if (vnode_vtype(vp) == VDIR) {
+ error = EPERM; /* POSIX */
+ } else if (vnode_isvroot(vp)) {
+ /*
* The root of a mounted filesystem cannot be deleted.
*/
error = EBUSY;
- else
+ } else {
error = nfsrv_authorize(vp, dvp, KAUTH_VNODE_DELETE, ctx, nxo, 0);
+ }
+
+ if (!error) {
+ error = vn_authorize_unlink(dvp, vp, &ni.ni_cnd, ctx, NULL);
+ if (error) {
+ error = EACCES;
+ }
+ }
if (!error) {
#if CONFIG_FSE
char *path = NULL;
- int plen;
+ int plen = 0;
fse_info finfo;
-
+
if (nfsrv_fsevents_enabled && need_fsevent(FSE_DELETE, dvp)) {
plen = MAXPATHLEN;
if ((path = get_pathbuff()) && !vn_getpath(vp, path, &plen)) {
}
}
#endif
- error = VNOP_REMOVE(dvp, vp, &ni.ni_cnd, 0, ctx);
-
+ error = VNOP_REMOVE(dvp, vp, &ni.ni_cnd, 0, ctx);
+
#if CONFIG_FSE
if (path) {
- if (!error)
+ if (!error) {
add_fsevent(FSE_DELETE, ctx,
- FSE_ARG_STRING, plen, path,
- FSE_ARG_FINFO, &finfo,
- FSE_ARG_DONE);
- release_pathbuff(path);
+ FSE_ARG_STRING, plen, path,
+ FSE_ARG_FINFO, &finfo,
+ FSE_ARG_DONE);
+ }
+ release_pathbuff(path);
}
#endif
}
nameidone(&ni);
vnode_put(vp);
- vnode_put(dvp);
+ vnode_put(dvp);
}
nfsmerr:
if (dirp) {
nfsm_srv_vattr_init(&dpostattr, nd->nd_vers);
- dpostattrerr = vnode_getattr(dirp, &dpostattr, ctx);
+ dpostattrerr = vnode_getattr(dirp, &dpostattr, ctx);
vnode_put(dirp);
}
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
nfsm_chain_add_wcc_data(error, nd, &nmrep,
- dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
+ dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
+ }
nfsmout:
nfsm_chain_build_done(error, &nmrep);
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
struct nfsm_chain *nmreq, nmrep;
char *from_name, *to_name;
#if CONFIG_FSE
- int from_len=0, to_len=0;
+ int from_len = 0, to_len = 0;
fse_info from_finfo, to_finfo;
#endif
u_char didstats = 0;
frompath = NULL;
fromni.ni_cnd.cn_pnlen = MAXPATHLEN;
fromni.ni_cnd.cn_flags |= HASBUF;
+ fromni.ni_cnd.cn_ndp = &fromni;
error = nfsrv_namei(nd, ctx, &fromni, &fnfh, &fdirp, &fnx, &fnxo);
- if (error)
+ if (error) {
goto out;
+ }
fdvp = fromni.ni_dvp;
fvp = fromni.ni_vp;
topath = NULL;
toni.ni_cnd.cn_pnlen = MAXPATHLEN;
toni.ni_cnd.cn_flags |= HASBUF;
+ toni.ni_cnd.cn_ndp = &toni;
- if (fvtype == VDIR)
+ if (fvtype == VDIR) {
toni.ni_cnd.cn_flags |= WILLBEDIR;
+ }
tnx = NULL;
error = nfsrv_namei(nd, ctx, &toni, &tnfh, &tdirp, &tnx, &tnxo);
/*
* Translate error code for rename("dir1", "dir2/.").
*/
- if (error == EISDIR && fvtype == VDIR) {
- if (nd->nd_vers == NFS_VER3)
- error = EINVAL;
- else
- error = ENOTEMPTY;
+ if (error == EISDIR && fvtype == VDIR) {
+ if (nd->nd_vers == NFS_VER3) {
+ error = EINVAL;
+ } else {
+ error = ENOTEMPTY;
+ }
}
goto out;
}
tvtype = vnode_vtype(tvp);
if (fvtype == VDIR && tvtype != VDIR) {
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
error = EEXIST;
- else
+ } else {
error = EISDIR;
+ }
goto out;
} else if (fvtype != VDIR && tvtype == VDIR) {
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
error = EEXIST;
- else
+ } else {
error = ENOTDIR;
+ }
goto out;
}
if (tvtype == VDIR && vnode_mountedhere(tvp)) {
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
error = EXDEV;
- else
+ } else {
error = ENOTEMPTY;
+ }
goto out;
}
}
if (fvp == tdvp) {
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
error = EINVAL;
- else
+ } else {
error = ENOTEMPTY;
+ }
goto out;
}
error = 0;
if ((tvp != NULL) && vnode_isdir(tvp)) {
- if (tvp != fdvp)
+ if (tvp != fdvp) {
moving = 1;
+ }
} else if (tdvp != fdvp) {
moving = 1;
}
if (moving) {
/* moving out of fdvp, must have delete rights */
- if ((error = nfsrv_authorize(fvp, fdvp, KAUTH_VNODE_DELETE, ctx, fnxo, 0)) != 0)
+ if ((error = nfsrv_authorize(fvp, fdvp, KAUTH_VNODE_DELETE, ctx, fnxo, 0)) != 0) {
goto auth_exit;
+ }
/* moving into tdvp or tvp, must have rights to add */
if ((error = nfsrv_authorize(((tvp != NULL) && vnode_isdir(tvp)) ? tvp : tdvp,
- NULL,
- vnode_isdir(fvp) ? KAUTH_VNODE_ADD_SUBDIRECTORY : KAUTH_VNODE_ADD_FILE,
- ctx, tnxo, 0)) != 0)
+ NULL,
+ vnode_isdir(fvp) ? KAUTH_VNODE_ADD_SUBDIRECTORY : KAUTH_VNODE_ADD_FILE,
+ ctx, tnxo, 0)) != 0) {
goto auth_exit;
+ }
} else {
/* node staying in same directory, must be allowed to add new name */
if ((error = nfsrv_authorize(fdvp, NULL,
- vnode_isdir(fvp) ? KAUTH_VNODE_ADD_SUBDIRECTORY : KAUTH_VNODE_ADD_FILE,
- ctx, fnxo, 0)) != 0)
+ vnode_isdir(fvp) ? KAUTH_VNODE_ADD_SUBDIRECTORY : KAUTH_VNODE_ADD_FILE,
+ ctx, fnxo, 0)) != 0) {
goto auth_exit;
+ }
}
/* overwriting tvp */
if ((tvp != NULL) && !vnode_isdir(tvp) &&
- ((error = nfsrv_authorize(tvp, tdvp, KAUTH_VNODE_DELETE, ctx, tnxo, 0)) != 0))
+ ((error = nfsrv_authorize(tvp, tdvp, KAUTH_VNODE_DELETE, ctx, tnxo, 0)) != 0)) {
goto auth_exit;
+ }
+ if (!error &&
+ ((error = vn_authorize_rename(fdvp, fvp, &fromni.ni_cnd, tdvp, tvp, &toni.ni_cnd, ctx, NULL)) != 0)) {
+ if (error) {
+ error = EACCES;
+ }
+ goto auth_exit;
+ }
/* XXX more checks? */
auth_exit:
/* authorization denied */
- if (error != 0)
+ if (error != 0) {
goto out;
+ }
}
if ((vnode_mount(fvp) != vnode_mount(tdvp)) ||
(tvp && (vnode_mount(fvp) != vnode_mount(tvp)))) {
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
error = EXDEV;
- else
+ } else {
error = ENOTEMPTY;
+ }
goto out;
}
/*
* o tvp
*/
if (tdvp->v_parent == fvp) {
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
error = EXDEV;
- else
+ } else {
error = ENOTEMPTY;
+ }
goto out;
}
if (fvtype == VDIR && vnode_mountedhere(fvp)) {
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
error = EXDEV;
- else
+ } else {
error = ENOTEMPTY;
+ }
goto out;
}
/*
*/
if ((fvp == tvp) && (fdvp == tdvp)) {
if (fromni.ni_cnd.cn_namelen == toni.ni_cnd.cn_namelen &&
- !bcmp(fromni.ni_cnd.cn_nameptr, toni.ni_cnd.cn_nameptr,
- fromni.ni_cnd.cn_namelen)) {
+ !bcmp(fromni.ni_cnd.cn_nameptr, toni.ni_cnd.cn_nameptr,
+ fromni.ni_cnd.cn_namelen)) {
goto out;
}
}
if (holding_mntlock && vnode_mount(fvp) != locked_mp) {
- /*
+ /*
* we're holding a reference and lock
* on locked_mp, but it no longer matches
* what we want to do... so drop our hold
*/
mount_unlock_renames(locked_mp);
mount_drop(locked_mp, 0);
- holding_mntlock = 0;
+ holding_mntlock = 0;
}
if (tdvp != fdvp && fvtype == VDIR) {
- /*
+ /*
* serialize renames that re-shape
* the tree... if holding_mntlock is
* set, then we're ready to go...
* then finally start the lookup
* process over with the lock held
*/
- if (!holding_mntlock) {
- /*
+ if (!holding_mntlock) {
+ /*
* need to grab a reference on
* the mount point before we
* drop all the iocounts... once
mount_ref(locked_mp, 0);
/* make a copy of to path to pass to nfsrv_namei() again */
- MALLOC_ZONE(topath, caddr_t, MAXPATHLEN, M_NAMEI, M_WAITOK);
- if (topath)
- bcopy(toni.ni_cnd.cn_pnbuf, topath, tolen + 1);
+ topath = zalloc(ZV_NAMEI);
+ bcopy(toni.ni_cnd.cn_pnbuf, topath, tolen + 1);
/*
* nameidone has to happen before we vnode_put(tdvp)
*/
nameidone(&toni);
- if (tvp)
- vnode_put(tvp);
+ if (tvp) {
+ vnode_put(tvp);
+ }
vnode_put(tdvp);
/* make a copy of from path to pass to nfsrv_namei() again */
- MALLOC_ZONE(frompath, caddr_t, MAXPATHLEN, M_NAMEI, M_WAITOK);
- if (frompath)
- bcopy(fromni.ni_cnd.cn_pnbuf, frompath, fromlen + 1);
+ frompath = zalloc(ZV_NAMEI);
+ bcopy(fromni.ni_cnd.cn_pnbuf, frompath, fromlen + 1);
/*
* nameidone has to happen before we vnode_put(fdvp)
vnode_put(fdvp);
if (fdirp) {
- vnode_put(fdirp);
+ vnode_put(fdirp);
fdirp = NULL;
}
if (tdirp) {
- vnode_put(tdirp);
+ vnode_put(tdirp);
tdirp = NULL;
}
mount_lock_renames(locked_mp);
goto retry;
}
} else {
- /*
+ /*
* when we dropped the iocounts to take
* the lock, we allowed the identity of
* the various vnodes to change... if they did,
* so we're free to drop the lock at this point
* and continue on
*/
- if (holding_mntlock) {
+ if (holding_mntlock) {
mount_unlock_renames(locked_mp);
mount_drop(locked_mp, 0);
- holding_mntlock = 0;
+ holding_mntlock = 0;
}
}
#if CONFIG_FSE
if (nfsrv_fsevents_enabled && need_fsevent(FSE_RENAME, fvp)) {
int from_truncated = 0, to_truncated = 0;
-
- get_fse_info(fvp, &from_finfo, ctx);
- if (tvp)
- get_fse_info(tvp, &to_finfo, ctx);
- from_name = get_pathbuff();
+ get_fse_info(fvp, &from_finfo, ctx);
+ if (tvp) {
+ get_fse_info(tvp, &to_finfo, ctx);
+ }
+
+ from_name = get_pathbuff();
if (from_name) {
from_len = safe_getpath(fdvp, fromni.ni_cnd.cn_nameptr, from_name, MAXPATHLEN, &from_truncated);
}
-
+
to_name = from_name ? get_pathbuff() : NULL;
if (to_name) {
to_len = safe_getpath(tdvp, toni.ni_cnd.cn_nameptr, to_name, MAXPATHLEN, &to_truncated);
if (from_truncated || to_truncated) {
from_finfo.mode |= FSE_TRUNCATED_PATH;
}
-
} else {
- from_name = NULL;
- to_name = NULL;
+ from_name = NULL;
+ to_name = NULL;
}
#else /* CONFIG_FSE */
from_name = NULL;
#endif /* CONFIG_FSE */
error = VNOP_RENAME(fromni.ni_dvp, fromni.ni_vp, &fromni.ni_cnd,
- toni.ni_dvp, toni.ni_vp, &toni.ni_cnd, ctx);
+ toni.ni_dvp, toni.ni_vp, &toni.ni_cnd, ctx);
/*
- * fix up name & parent pointers. note that we first
+ * fix up name & parent pointers. note that we first
* check that fvp has the same name/parent pointers it
* had before the rename call... this is a 'weak' check
* at best...
if (oname == fvp->v_name && oparent == fvp->v_parent) {
int update_flags;
update_flags = VNODE_UPDATE_NAME;
- if (fdvp != tdvp)
+ if (fdvp != tdvp) {
update_flags |= VNODE_UPDATE_PARENT;
+ }
vnode_update_identity(fvp, tdvp, toni.ni_cnd.cn_nameptr,
- toni.ni_cnd.cn_namelen, toni.ni_cnd.cn_hash, update_flags);
+ toni.ni_cnd.cn_namelen, toni.ni_cnd.cn_hash, update_flags);
}
/*
*/
#if CONFIG_FSE
if (nfsrv_fsevents_enabled && !error && from_name && to_name) {
- if (tvp) {
- add_fsevent(FSE_RENAME, ctx,
- FSE_ARG_STRING, from_len, from_name,
- FSE_ARG_FINFO, &from_finfo,
- FSE_ARG_STRING, to_len, to_name,
- FSE_ARG_FINFO, &to_finfo,
- FSE_ARG_DONE);
+ if (tvp) {
+ add_fsevent(FSE_RENAME, ctx,
+ FSE_ARG_STRING, from_len, from_name,
+ FSE_ARG_FINFO, &from_finfo,
+ FSE_ARG_STRING, to_len, to_name,
+ FSE_ARG_FINFO, &to_finfo,
+ FSE_ARG_DONE);
} else {
- add_fsevent(FSE_RENAME, ctx,
- FSE_ARG_STRING, from_len, from_name,
- FSE_ARG_FINFO, &from_finfo,
- FSE_ARG_STRING, to_len, to_name,
- FSE_ARG_DONE);
+ add_fsevent(FSE_RENAME, ctx,
+ FSE_ARG_STRING, from_len, from_name,
+ FSE_ARG_FINFO, &from_finfo,
+ FSE_ARG_STRING, to_len, to_name,
+ FSE_ARG_DONE);
}
}
- if (from_name)
- release_pathbuff(from_name);
- if (to_name)
- release_pathbuff(to_name);
+ if (from_name) {
+ release_pathbuff(from_name);
+ }
+ if (to_name) {
+ release_pathbuff(to_name);
+ }
#endif /* CONFIG_FSE */
from_name = to_name = NULL;
-
+
out:
if (holding_mntlock) {
- mount_unlock_renames(locked_mp);
+ mount_unlock_renames(locked_mp);
mount_drop(locked_mp, 0);
holding_mntlock = 0;
}
if (tdvp) {
- /*
+ /*
* nameidone has to happen before we vnode_put(tdvp)
* since it may need to release the fs_nodelock on the tdvp
*/
nameidone(&toni);
- if (tvp)
- vnode_put(tvp);
- vnode_put(tdvp);
+ if (tvp) {
+ vnode_put(tvp);
+ }
+ vnode_put(tdvp);
tdvp = NULL;
}
*/
nameidone(&fromni);
- if (fvp)
- vnode_put(fvp);
- vnode_put(fdvp);
+ if (fvp) {
+ vnode_put(fvp);
+ }
+ vnode_put(fdvp);
fdvp = NULL;
}
nfsmout_on_status(nd, error);
if (nd->nd_vers == NFS_VER3) {
nfsm_chain_add_wcc_data(error, nd, &nmrep,
- fdpreattrerr, &fdpreattr, fdpostattrerr, &fdpostattr);
+ fdpreattrerr, &fdpreattr, fdpostattrerr, &fdpostattr);
nfsm_chain_add_wcc_data(error, nd, &nmrep,
- tdpreattrerr, &tdpreattr, tdpostattrerr, &tdpostattr);
+ tdpreattrerr, &tdpreattr, tdpostattrerr, &tdpostattr);
}
nfsmout:
nfsm_chain_build_done(error, &nmrep);
if (holding_mntlock) {
- mount_unlock_renames(locked_mp);
+ mount_unlock_renames(locked_mp);
mount_drop(locked_mp, 0);
}
if (tdvp) {
*/
nameidone(&toni);
- if (tvp)
- vnode_put(tvp);
- vnode_put(tdvp);
+ if (tvp) {
+ vnode_put(tvp);
+ }
+ vnode_put(tdvp);
}
if (fdvp) {
/*
*/
nameidone(&fromni);
- if (fvp)
- vnode_put(fvp);
- vnode_put(fdvp);
+ if (fvp) {
+ vnode_put(fvp);
+ }
+ vnode_put(fdvp);
}
- if (fdirp)
+ if (fdirp) {
vnode_put(fdirp);
- if (tdirp)
+ }
+ if (tdirp) {
vnode_put(tdirp);
- if (frompath)
- FREE_ZONE(frompath, MAXPATHLEN, M_NAMEI);
- if (topath)
- FREE_ZONE(topath, MAXPATHLEN, M_NAMEI);
- if (saved_cred)
+ }
+ if (frompath) {
+ NFS_ZFREE(ZV_NAMEI, frompath);
+ }
+ if (topath) {
+ NFS_ZFREE(ZV_NAMEI, topath);
+ }
+ if (saved_cred) {
kauth_cred_unref(&saved_cred);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
/* we're not allowed to link to directories... */
if (vnode_vtype(vp) == VDIR) {
- error = EPERM; /* POSIX */
+ error = EPERM; /* POSIX */
goto out;
}
/* ...or to anything that kauth doesn't want us to (eg. immutable items) */
- if ((error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_LINKTARGET, ctx, nxo, 0)) != 0)
+ if ((error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_LINKTARGET, ctx, nxo, 0)) != 0) {
goto out;
+ }
ni.ni_cnd.cn_nameiop = CREATE;
#if CONFIG_TRIGGERS
#endif
ni.ni_cnd.cn_flags = LOCKPARENT;
error = nfsm_chain_get_path_namei(nmreq, len, &ni);
- if (!error)
+ if (!error) {
error = nfsrv_namei(nd, ctx, &ni, &dnfh, &dirp, &nx, &nxo);
+ }
if (dirp) {
if (nd->nd_vers == NFS_VER3) {
nfsm_srv_pre_vattr_init(&dpreattr);
dirp = NULL;
}
}
- if (error)
+ if (error) {
goto out;
+ }
dvp = ni.ni_dvp;
xp = ni.ni_vp;
- if (xp != NULL)
+ if (xp != NULL) {
error = EEXIST;
- else if (vnode_mount(vp) != vnode_mount(dvp))
+ } else if (vnode_mount(vp) != vnode_mount(dvp)) {
error = EXDEV;
- else
+ } else {
error = nfsrv_authorize(dvp, NULL, KAUTH_VNODE_ADD_FILE, ctx, nxo, 0);
+ }
- if (!error)
+#if CONFIG_MACF
+ if (!error) {
+ error = mac_vnode_check_link(ctx, dvp, vp, &ni.ni_cnd);
+ if (error) {
+ error = EACCES;
+ }
+ }
+#endif
+ if (!error) {
error = VNOP_LINK(vp, dvp, &ni.ni_cnd, ctx);
+ }
#if CONFIG_FSE
if (nfsrv_fsevents_enabled && !error && need_fsevent(FSE_CREATE_FILE, dvp)) {
char *target_path = NULL;
- int plen, truncated=0;
+ int plen, truncated = 0;
fse_info finfo;
/* build the path to the new link file */
finfo.mode |= FSE_TRUNCATED_PATH;
}
add_fsevent(FSE_CREATE_FILE, ctx,
- FSE_ARG_STRING, plen, target_path,
- FSE_ARG_FINFO, &finfo,
- FSE_ARG_DONE);
+ FSE_ARG_STRING, plen, target_path,
+ FSE_ARG_FINFO, &finfo,
+ FSE_ARG_DONE);
}
release_pathbuff(target_path);
*/
nameidone(&ni);
- if (xp)
+ if (xp) {
vnode_put(xp);
+ }
vnode_put(dvp);
out:
if (nd->nd_vers == NFS_VER3) {
if (nd->nd_vers == NFS_VER3) {
nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
nfsm_chain_add_wcc_data(error, nd, &nmrep,
- dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
+ dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
}
nfsmout:
nfsm_chain_build_done(error, &nmrep);
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
vnode_t vp, dvp, dirp;
struct nfs_filehandle nfh;
struct nfs_export *nx = NULL;
- struct nfs_export_options *nxo;
+ struct nfs_export_options *nxo = NULL;
uio_t auio = NULL;
- char uio_buf[ UIO_SIZEOF(1) ];
+ char uio_buf[UIO_SIZEOF(1)];
struct nfsm_chain *nmreq, nmrep;
error = 0;
ni.ni_op = OP_LINK;
#endif
ni.ni_cnd.cn_flags = LOCKPARENT;
+ ni.ni_flag = 0;
+ ni.ni_cnd.cn_ndp = ∋
error = nfsm_chain_get_path_namei(nmreq, len, &ni);
if (!error) {
error = nfsrv_namei(nd, ctx, &ni, &nfh, &dirp, &nx, &nxo);
vp = ni.ni_vp;
VATTR_INIT(vap);
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
error = nfsm_chain_get_sattr(nd, nmreq, vap);
+ }
nfsm_chain_get_32(error, nmreq, linkdatalen);
if (!error && (((nd->nd_vers == NFS_VER2) && (linkdatalen > NFS_MAXPATHLEN)) ||
- ((nd->nd_vers == NFS_VER3) && (linkdatalen > MAXPATHLEN))))
+ ((nd->nd_vers == NFS_VER3) && (linkdatalen > MAXPATHLEN)))) {
error = NFSERR_NAMETOL;
+ }
nfsmerr_if(error);
MALLOC(linkdata, caddr_t, linkdatalen + 1, M_TEMP, M_WAITOK);
- if (linkdata)
+ if (linkdata) {
auio = uio_createwithbuffer(1, 0, UIO_SYSSPACE, UIO_READ,
- &uio_buf[0], sizeof(uio_buf));
+ &uio_buf[0], sizeof(uio_buf));
+ }
if (!linkdata || !auio) {
error = ENOMEM;
goto out;
}
uio_addiov(auio, CAST_USER_ADDR_T(linkdata), linkdatalen);
error = nfsm_chain_get_uio(nmreq, linkdatalen, auio);
- if (!error && (nd->nd_vers == NFS_VER2))
+ if (!error && (nd->nd_vers == NFS_VER2)) {
error = nfsm_chain_get_sattr(nd, nmreq, vap);
+ }
nfsmerr_if(error);
*(linkdata + linkdatalen) = '\0';
if (vp) {
VATTR_CLEAR_ACTIVE(vap, va_data_size);
VATTR_CLEAR_ACTIVE(vap, va_access_time);
/*
- * Server policy is to alway use the mapped rpc credential for
+ * Server policy is to alway use the mapped rpc credential for
* file system object creation. This has the nice side effect of
* enforcing BSD creation semantics
*/
error = nfsrv_authorize(dvp, NULL, KAUTH_VNODE_ADD_FILE, ctx, nxo, 0);
/* validate given attributes */
- if (!error)
+ if (!error) {
error = vnode_authattr_new(dvp, vap, 0, ctx);
+ }
+ if (!error) {
+ error = vn_authorize_create(dvp, &ni.ni_cnd, vap, ctx, NULL);
+ if (error) {
+ error = EACCES;
+ }
+ }
- if (!error)
+ if (!error) {
error = VNOP_SYMLINK(dvp, &vp, &ni.ni_cnd, vap, linkdata, ctx);
+ }
if (!error && (nd->nd_vers == NFS_VER3)) {
if (vp == NULL) {
ni.ni_cnd.cn_context = ctx;
ni.ni_startdir = dvp;
ni.ni_usedvp = dvp;
+ ni.ni_rootdir = rootvnode;
cnflags = ni.ni_cnd.cn_flags; /* store in case we have to restore */
while ((error = lookup(&ni)) == ERECYCLE) {
ni.ni_cnd.cn_flags = cnflags;
ni.ni_cnd.cn_nameptr = ni.ni_cnd.cn_pnbuf;
ni.ni_usedvp = ni.ni_dvp = ni.ni_startdir = dvp;
}
- if (!error)
- vp = ni.ni_vp;
+ if (!error) {
+ vp = ni.ni_vp;
+ }
}
if (!error) {
error = nfsrv_vptofh(nx, NFS_VER3, NULL, vp, ctx, &nfh);
#if CONFIG_FSE
if (nfsrv_fsevents_enabled && !error && vp) {
add_fsevent(FSE_CREATE_FILE, ctx,
- FSE_ARG_VNODE, vp,
- FSE_ARG_DONE);
+ FSE_ARG_VNODE, vp,
+ FSE_ARG_DONE);
}
#endif
out:
*/
nameidone(&ni);
ni.ni_cnd.cn_nameiop = 0;
- if (vp)
- vnode_put(vp);
+ if (vp) {
+ vnode_put(vp);
+ }
vnode_put(dvp);
out1:
if (linkdata) {
/* assemble reply */
nd->nd_repstat = error;
error = nfsrv_rephead(nd, slp, &nmrep, NFSX_SRVFH(nd->nd_vers, &nfh) +
- NFSX_POSTOPATTR(nd->nd_vers) + NFSX_WCCDATA(nd->nd_vers));
+ NFSX_POSTOPATTR(nd->nd_vers) + NFSX_WCCDATA(nd->nd_vers));
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
nfsm_chain_add_postop_attr(error, nd, &nmrep, postattrerr, &postattr);
}
nfsm_chain_add_wcc_data(error, nd, &nmrep,
- dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
+ dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
}
nfsmout:
nfsm_chain_build_done(error, &nmrep);
if (ni.ni_cnd.cn_nameiop) {
- /*
+ /*
* nameidone has to happen before we vnode_put(dvp)
* since it may need to release the fs_nodelock on the dvp
*/
nameidone(&ni);
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
vnode_put(dvp);
}
- if (dirp)
+ if (dirp) {
vnode_put(dirp);
- if (linkdata)
+ }
+ if (linkdata) {
FREE(linkdata, M_TEMP);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
* nfs mkdir service
*/
-
+
int
nfsrv_mkdir(
struct nfsrv_descript *nd,
vnode_t vp, dvp, dirp;
struct nfs_filehandle nfh;
struct nfs_export *nx = NULL;
- struct nfs_export_options *nxo;
+ struct nfs_export_options *nxo = NULL;
uid_t saved_uid;
kauth_acl_t xacl = NULL;
struct nfsm_chain *nmreq, nmrep;
#if CONFIG_TRIGGERS
ni.ni_op = OP_LINK;
#endif
- ni.ni_cnd.cn_flags = LOCKPARENT;
+ ni.ni_cnd.cn_flags = LOCKPARENT | WILLBEDIR;
+ ni.ni_cnd.cn_ndp = ∋
error = nfsm_chain_get_path_namei(nmreq, len, &ni);
if (!error) {
error = nfsrv_namei(nd, ctx, &ni, &nfh, &dirp, &nx, &nxo);
VATTR_SET(vap, va_type, VDIR);
if (vp != NULL) {
- /*
+ /*
* nameidone has to happen before we vnode_put(dvp)
* since it may need to release the fs_nodelock on the dvp
*/
- nameidone(&ni);
+ nameidone(&ni);
vnode_put(dvp);
vnode_put(vp);
error = EEXIST;
if (!error) {
error = kauth_acl_inherit(dvp,
NULL,
- &xacl, /* isdir */
+ &xacl, /* isdir */
1,
ctx);
-
- if (!error && xacl != NULL)
- VATTR_SET(vap, va_acl, xacl);
+
+ if (!error && xacl != NULL) {
+ VATTR_SET(vap, va_acl, xacl);
+ }
}
VATTR_CLEAR_ACTIVE(vap, va_data_size);
/*
* We don't support the S_ISGID bit for directories. Solaris and other
* SRV4 derived systems might set this to get BSD semantics, which we enforce
- * any ways.
+ * any ways.
*/
- if (VATTR_IS_ACTIVE(vap, va_mode))
+ if (VATTR_IS_ACTIVE(vap, va_mode)) {
vap->va_mode &= ~S_ISGID;
+ }
/*
- * Server policy is to alway use the mapped rpc credential for
+ * Server policy is to alway use the mapped rpc credential for
* file system object creation. This has the nice side effect of
* enforcing BSD creation semantics
*/
VATTR_CLEAR_ACTIVE(vap, va_gid);
/* validate new-file security information */
- if (!error)
+ if (!error) {
error = vnode_authattr_new(dvp, vap, 0, ctx);
+ }
/*
- * vnode_authattr_new can return errors other than EPERM, but that's not going to
+ * vnode_authattr_new can return errors other than EPERM, but that's not going to
* sit well with our clients so we map all errors to EPERM.
- */
- if (error)
+ */
+ if (error) {
error = EPERM;
+ }
+
+ if (!error) {
+ error = vn_authorize_mkdir(dvp, &ni.ni_cnd, vap, ctx, NULL);
+ if (error) {
+ error = EACCES;
+ }
+ }
- if (!error)
+ if (!error) {
error = VNOP_MKDIR(dvp, &vp, &ni.ni_cnd, vap, ctx);
+ }
#if CONFIG_FSE
- if (nfsrv_fsevents_enabled && !error)
+ if (nfsrv_fsevents_enabled && !error) {
add_fsevent(FSE_CREATE_DIR, ctx, FSE_ARG_VNODE, vp, FSE_ARG_DONE);
+ }
#endif
- if (!error && !VATTR_ALL_SUPPORTED(vap))
- /*
+ if (!error && !VATTR_ALL_SUPPORTED(vap)) {
+ /*
* If some of the requested attributes weren't handled by the VNOP,
* use our fallback code.
*/
error = vnode_setattr_fallback(vp, vap, ctx);
+ }
- if (xacl != NULL)
+ if (xacl != NULL) {
kauth_acl_free(xacl);
-
+ }
+
if (!error) {
error = nfsrv_vptofh(nx, nd->nd_vers, NULL, vp, ctx, &nfh);
if (!error) {
nfsm_srv_vattr_init(&postattr, nd->nd_vers);
postattrerr = vnode_getattr(vp, &postattr, ctx);
- if (nd->nd_vers == NFS_VER2)
+ if (nd->nd_vers == NFS_VER2) {
error = postattrerr;
+ }
}
vnode_put(vp);
vp = NULL;
/* assemble reply */
nd->nd_repstat = error;
error = nfsrv_rephead(nd, slp, &nmrep, NFSX_SRVFH(nd->nd_vers, &nfh) +
- NFSX_POSTOPATTR(nd->nd_vers) + NFSX_WCCDATA(nd->nd_vers));
+ NFSX_POSTOPATTR(nd->nd_vers) + NFSX_WCCDATA(nd->nd_vers));
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
nfsm_chain_add_postop_attr(error, nd, &nmrep, postattrerr, &postattr);
}
nfsm_chain_add_wcc_data(error, nd, &nmrep,
- dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
+ dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
} else {
nfsm_chain_add_fh(error, &nmrep, NFS_VER2, nfh.nfh_fhp, nfh.nfh_len);
- if (!error)
+ if (!error) {
error = nfsm_chain_add_fattr(nd, &nmrep, &postattr);
+ }
}
nfsmout:
nfsm_chain_build_done(error, &nmrep);
if (ni.ni_cnd.cn_nameiop) {
- /*
+ /*
* nameidone has to happen before we vnode_put(dvp)
* since it may need to release the fs_nodelock on the dvp
*/
nameidone(&ni);
vnode_put(dvp);
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
}
- if (dirp)
+ if (dirp) {
vnode_put(dirp);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
struct vnode_attr dpreattr, dpostattr;
struct nfs_filehandle nfh;
struct nfs_export *nx = NULL;
- struct nfs_export_options *nxo;
+ struct nfs_export_options *nxo = NULL;
struct nameidata ni;
struct nfsm_chain *nmreq, nmrep;
ni.ni_op = OP_UNLINK;
#endif
ni.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF;
+ ni.ni_cnd.cn_ndp = ∋
error = nfsm_chain_get_path_namei(nmreq, len, &ni);
if (!error) {
error = nfsrv_namei(nd, ctx, &ni, &nfh, &dirp, &nx, &nxo);
}
}
if (dirp) {
- if (nd->nd_vers == NFS_VER3) {
+ if (nd->nd_vers == NFS_VER3) {
nfsm_srv_pre_vattr_init(&dpreattr);
dpreattrerr = vnode_getattr(dirp, &dpreattr, ctx);
} else {
/*
* The root of a mounted filesystem cannot be deleted.
*/
- if (vnode_isvroot(vp))
+ if (vnode_isvroot(vp)) {
error = EBUSY;
- if (!error)
+ }
+ if (!error) {
error = nfsrv_authorize(vp, dvp, KAUTH_VNODE_DELETE, ctx, nxo, 0);
+ }
+ if (!error) {
+ error = vn_authorize_rmdir(dvp, vp, &ni.ni_cnd, ctx, NULL);
+ if (error) {
+ error = EACCES;
+ }
+ }
+
if (!error) {
#if CONFIG_FSE
char *path = NULL;
- int plen;
+ int plen = 0;
fse_info finfo;
-
+
if (nfsrv_fsevents_enabled && need_fsevent(FSE_DELETE, dvp)) {
plen = MAXPATHLEN;
- if ((path = get_pathbuff()) && !vn_getpath(vp, path, &plen)) {
+ if ((path = get_pathbuff()) && !vn_getpath(vp, path, &plen)) {
get_fse_info(vp, &finfo, ctx);
} else if (path) {
release_pathbuff(path);
#if CONFIG_FSE
if (path) {
- if (!error)
+ if (!error) {
add_fsevent(FSE_DELETE, ctx,
- FSE_ARG_STRING, plen, path,
- FSE_ARG_FINFO, &finfo,
- FSE_ARG_DONE);
- release_pathbuff(path);
+ FSE_ARG_STRING, plen, path,
+ FSE_ARG_FINFO, &finfo,
+ FSE_ARG_DONE);
+ }
+ release_pathbuff(path);
}
#endif /* CONFIG_FSE */
}
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
nfsm_chain_add_wcc_data(error, nd, &nmrep,
- dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
+ dpreattrerr, &dpreattr, dpostattrerr, &dpostattr);
+ }
nfsmout:
nfsm_chain_build_done(error, &nmrep);
- if (dirp)
+ if (dirp) {
vnode_put(dirp);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
struct nfs_export *nx;
struct nfs_export_options *nxo;
uio_t auio = NULL;
- char uio_buf[ UIO_SIZEOF(1) ];
+ char uio_buf[UIO_SIZEOF(1)];
int len, nlen, rem, xfer, error, attrerr;
int siz, count, fullsiz, eofflag, nentries;
- u_quad_t off, toff, verf;
+ u_quad_t off, toff, verf = 0;
int vnopflag;
struct nfsm_chain *nmreq, nmrep;
off = toff;
siz = ((count + DIRBLKSIZ - 1) & ~(DIRBLKSIZ - 1));
xfer = NFSRV_NDMAXDATA(nd);
- if (siz > xfer)
+ if (siz > xfer) {
siz = xfer;
+ }
fullsiz = siz;
error = nfsrv_fhtovp(&nfh, nd, &vp, &nx, &nxo);
error = nfsrv_credcheck(nd, ctx, nx, nxo);
nfsmerr_if(error);
- if (nxo->nxo_flags & NX_MANGLEDNAMES || nd->nd_vers == NFS_VER2)
+ if (nxo->nxo_flags & NX_MANGLEDNAMES || nd->nd_vers == NFS_VER2) {
vnopflag |= VNODE_READDIR_NAMEMAX;
+ }
- if ((nd->nd_vers == NFS_VER2) || (nxo->nxo_flags & NX_32BITCLIENTS))
+ if ((nd->nd_vers == NFS_VER2) || (nxo->nxo_flags & NX_32BITCLIENTS)) {
vnopflag |= VNODE_READDIR_SEEKOFF32;
+ }
if (nd->nd_vers == NFS_VER3) {
nfsm_srv_vattr_init(&attr, NFS_VER3);
error = attrerr = vnode_getattr(vp, &attr, ctx);
- if (!error && toff && verf && (verf != attr.va_filerev))
+ if (!error && toff && verf && (verf != attr.va_filerev)) {
error = NFSERR_BAD_COOKIE;
+ }
}
- if (!error)
+ if (!error) {
error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_LIST_DIRECTORY, ctx, nxo, 0);
+ }
+#if CONFIG_MACF
+ if (!error) {
+ if (!error && mac_vnode_check_open(ctx, vp, FREAD)) {
+ error = EACCES;
+ }
+
+ if (!error) {
+ error = mac_vnode_check_readdir(ctx, vp);
+ }
+ }
+#endif
nfsmerr_if(error);
MALLOC(rbuf, caddr_t, siz, M_TEMP, M_WAITOK);
- if (rbuf)
+ if (rbuf) {
auio = uio_createwithbuffer(1, 0, UIO_SYSSPACE, UIO_READ,
- &uio_buf[0], sizeof(uio_buf));
+ &uio_buf[0], sizeof(uio_buf));
+ }
if (!rbuf || !auio) {
error = ENOMEM;
goto nfsmerr;
/* assemble reply */
nd->nd_repstat = error;
error = nfsrv_rephead(nd, slp, &nmrep, NFSX_POSTOPATTR(nd->nd_vers) +
- NFSX_COOKIEVERF(nd->nd_vers) + 2 * NFSX_UNSIGNED);
+ NFSX_COOKIEVERF(nd->nd_vers) + 2 * NFSX_UNSIGNED);
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
nfsm_chain_add_32(error, &nmrep, FALSE);
nfsm_chain_add_32(error, &nmrep, TRUE);
nfsm_chain_build_done(error, &nmrep);
- return (error);
+ return error;
}
}
/* assemble reply */
nd->nd_repstat = error;
error = nfsrv_rephead(nd, slp, &nmrep, NFSX_POSTOPATTR(nd->nd_vers) +
- NFSX_COOKIEVERF(nd->nd_vers) + siz);
+ NFSX_COOKIEVERF(nd->nd_vers) + siz);
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
while ((cpos < cend) && (nentries > 0)) {
if (dp->d_fileno != 0) {
nlen = dp->d_namlen;
- if ((nd->nd_vers == NFS_VER2) && (nlen > NFS_MAXNAMLEN))
+ if ((nd->nd_vers == NFS_VER2) && (nlen > NFS_MAXNAMLEN)) {
nlen = NFS_MAXNAMLEN;
- rem = nfsm_rndup(nlen)-nlen;
+ }
+ rem = nfsm_rndup(nlen) - nlen;
len += (4 * NFSX_UNSIGNED + nlen + rem);
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
len += 2 * NFSX_UNSIGNED;
+ }
if (len > count) {
eofflag = 0;
break;
}
nfsm_chain_add_string(error, &nmrep, dp->d_name, nlen);
if (nd->nd_vers == NFS_VER3) {
- if (vnopflag & VNODE_READDIR_SEEKOFF32)
+ if (vnopflag & VNODE_READDIR_SEEKOFF32) {
dp->d_seekoff &= 0x00000000ffffffffULL;
+ }
nfsm_chain_add_64(error, &nmrep, dp->d_seekoff);
} else {
nfsm_chain_add_32(error, &nmrep, dp->d_seekoff);
FREE(rbuf, M_TEMP);
goto nfsmout;
nfsmerr:
- if (rbuf)
+ if (rbuf) {
FREE(rbuf, M_TEMP);
- if (vp)
+ }
+ if (vp) {
vnode_put(vp);
+ }
nd->nd_repstat = error;
error = nfsrv_rephead(nd, slp, &nmrep, NFSX_POSTOPATTR(nd->nd_vers));
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
+ }
nfsmout:
nfsm_chain_build_done(error, &nmrep);
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
int
struct nfs_export *nx;
struct nfs_export_options *nxo;
uio_t auio = NULL;
- char uio_buf[ UIO_SIZEOF(1) ];
+ char uio_buf[UIO_SIZEOF(1)];
struct vnode_attr attr, va, *vap = &va;
int len, nlen, rem, xfer, error, attrerr, gotfh, gotattr;
int siz, dircount, maxcount, fullsiz, eofflag, dirlen, nentries, isdotdot;
off = toff;
xfer = NFSRV_NDMAXDATA(nd);
dircount = ((dircount + DIRBLKSIZ - 1) & ~(DIRBLKSIZ - 1));
- if (dircount > xfer)
+ if (dircount > xfer) {
dircount = xfer;
+ }
fullsiz = siz = dircount;
maxcount = ((maxcount + DIRBLKSIZ - 1) & ~(DIRBLKSIZ - 1));
- if (maxcount > xfer)
+ if (maxcount > xfer) {
maxcount = xfer;
+ }
error = nfsrv_fhtovp(&dnfh, nd, &vp, &nx, &nxo);
nfsmerr_if(error);
error = nfsrv_credcheck(nd, ctx, nx, nxo);
nfsmerr_if(error);
- if (nxo->nxo_flags & NX_32BITCLIENTS)
+ if (nxo->nxo_flags & NX_32BITCLIENTS) {
vnopflag |= VNODE_READDIR_SEEKOFF32;
+ }
- if (nxo->nxo_flags & NX_MANGLEDNAMES)
+ if (nxo->nxo_flags & NX_MANGLEDNAMES) {
vnopflag |= VNODE_READDIR_NAMEMAX;
+ }
nfsm_srv_vattr_init(&attr, NFS_VER3);
error = attrerr = vnode_getattr(vp, &attr, ctx);
- if (!error && toff && verf && (verf != attr.va_filerev))
+ if (!error && toff && verf && (verf != attr.va_filerev)) {
error = NFSERR_BAD_COOKIE;
- if (!error)
+ }
+ if (!error) {
error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_LIST_DIRECTORY, ctx, nxo, 0);
+ }
+#if CONFIG_MACF
+ if (!error) {
+ if (!error && mac_vnode_check_open(ctx, vp, FREAD)) {
+ error = EACCES;
+ }
+
+ if (!error) {
+ error = mac_vnode_check_readdir(ctx, vp);
+ }
+ }
+#endif
nfsmerr_if(error);
MALLOC(rbuf, caddr_t, siz, M_TEMP, M_WAITOK);
- if (rbuf)
+ if (rbuf) {
auio = uio_createwithbuffer(1, 0, UIO_SYSSPACE, UIO_READ,
- &uio_buf[0], sizeof(uio_buf));
+ &uio_buf[0], sizeof(uio_buf));
+ }
if (!rbuf || !auio) {
error = ENOMEM;
goto nfsmerr;
/* assemble reply */
nd->nd_repstat = error;
error = nfsrv_rephead(nd, slp, &nmrep, NFSX_V3POSTOPATTR +
- NFSX_V3COOKIEVERF + 2 * NFSX_UNSIGNED);
+ NFSX_V3COOKIEVERF + 2 * NFSX_UNSIGNED);
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
nfsm_chain_add_32(error, &nmrep, FALSE);
nfsm_chain_add_32(error, &nmrep, TRUE);
nfsm_chain_build_done(error, &nmrep);
- return (error);
+ return error;
}
}
* supports VGET.
*/
if ((error = VFS_VGET(vnode_mount(vp), (ino64_t)dp->d_fileno, &nvp, ctx))) {
- if (error == ENOTSUP) /* let others get passed back */
+ if (error == ENOTSUP) { /* let others get passed back */
error = NFSERR_NOTSUPP;
+ }
goto nfsmerr;
}
vnode_put(nvp);
while ((cpos < cend) && (nentries > 0)) {
if (dp->d_fileno != 0) {
nlen = dp->d_namlen;
- rem = nfsm_rndup(nlen)-nlen;
+ rem = nfsm_rndup(nlen) - nlen;
gotfh = gotattr = 1;
/* Got to get the vnode for lookup per entry. */
gotfh = gotattr = 0;
} else {
isdotdot = ((dp->d_namlen == 2) &&
- (dp->d_name[0] == '.') && (dp->d_name[1] == '.'));
- if (nfsrv_vptofh(nx, 0, (isdotdot ? &dnfh : NULL), nvp, ctx, &nfh))
+ (dp->d_name[0] == '.') && (dp->d_name[1] == '.'));
+ if (nfsrv_vptofh(nx, 0, (isdotdot ? &dnfh : NULL), nvp, ctx, &nfh)) {
gotfh = 0;
+ }
nfsm_srv_vattr_init(vap, NFS_VER3);
- if (vnode_getattr(nvp, vap, ctx))
+ if (vnode_getattr(nvp, vap, ctx)) {
gotattr = 0;
+ }
vnode_put(nvp);
}
* XDR overheads.
*/
len += 8 * NFSX_UNSIGNED + nlen + rem;
- if (gotattr)
+ if (gotattr) {
len += NFSX_V3FATTR;
- if (gotfh)
+ }
+ if (gotfh) {
len += NFSX_UNSIGNED + nfsm_rndup(nfh.nfh_len);
+ }
dirlen += 6 * NFSX_UNSIGNED + nlen + rem;
if ((len > maxcount) || (dirlen > dircount)) {
eofflag = 0;
nfsm_chain_add_32(error, &nmrep, TRUE);
nfsm_chain_add_64(error, &nmrep, dp->d_fileno);
nfsm_chain_add_string(error, &nmrep, dp->d_name, nlen);
- if (vnopflag & VNODE_READDIR_SEEKOFF32)
+ if (vnopflag & VNODE_READDIR_SEEKOFF32) {
dp->d_seekoff &= 0x00000000ffffffffULL;
+ }
nfsm_chain_add_64(error, &nmrep, dp->d_seekoff);
nfsm_chain_add_postop_attr(error, nd, &nmrep, (gotattr ? 0 : ENOENT), vap);
- if (gotfh)
+ if (gotfh) {
nfsm_chain_add_postop_fh(error, &nmrep, nfh.nfh_fhp, nfh.nfh_len);
- else
+ } else {
nfsm_chain_add_32(error, &nmrep, FALSE);
+ }
nfsmerr_if(error);
}
cpos += dp->d_reclen;
FREE(rbuf, M_TEMP);
goto nfsmout;
nfsmerr:
- if (rbuf)
+ if (rbuf) {
FREE(rbuf, M_TEMP);
+ }
nd->nd_repstat = error;
error = nfsrv_rephead(nd, slp, &nmrep, NFSX_V3POSTOPATTR);
nfsmout_if(error);
nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
nfsmout:
nfsm_chain_build_done(error, &nmrep);
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
if (error) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
{
vnode_t vp;
struct nfs_filehandle nfh;
- struct nfs_export *nx;
+ struct nfs_export *nx = NULL;
struct nfs_export_options *nxo;
int error, preattrerr, postattrerr, count;
struct vnode_attr preattr, postattr;
postattrerr = vnode_getattr(vp, &postattr, ctx);
nfsmerr:
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
/* assemble reply */
nd->nd_repstat = error;
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
nfsm_chain_add_wcc_data(error, nd, &nmrep,
- preattrerr, &preattr, postattrerr, &postattr);
+ preattrerr, &preattr, postattrerr, &postattr);
if (!nd->nd_repstat) {
nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_sec);
nfsm_chain_add_32(error, &nmrep, nx->nx_exptime.tv_usec);
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
VFSATTR_INIT(&va);
VFSATTR_WANTED(&va, f_blocks);
+ VFSATTR_WANTED(&va, f_bfree);
VFSATTR_WANTED(&va, f_bavail);
VFSATTR_WANTED(&va, f_files);
VFSATTR_WANTED(&va, f_ffree);
}
nfsmerr:
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
/* assemble reply */
nd->nd_repstat = error;
nfsmout_if(error);
*mrepp = nmrep.nmc_mhead;
nfsmout_on_status(nd, error);
- if (nd->nd_vers == NFS_VER3)
+ if (nd->nd_vers == NFS_VER3) {
nfsm_chain_add_postop_attr(error, nd, &nmrep, attrerr, &attr);
+ }
nfsmout_if(nd->nd_repstat);
if (nd->nd_vers == NFS_VER3) {
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
attrerr = vnode_getattr(vp, &attr, ctx);
nfsmerr:
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
/* assemble reply */
nd->nd_repstat = error;
if (slp->ns_sotype == SOCK_DGRAM) {
maxsize = NFS_MAXDGRAMDATA;
prefsize = NFS_PREFDGRAMDATA;
- } else
- maxsize = prefsize = NFSRV_MAXDATA;
+ } else {
+ maxsize = prefsize = slp->ns_sobufsize ? slp->ns_sobufsize / 2 : NFSRV_MAXDATA;
+ }
nfsm_chain_add_32(error, &nmrep, maxsize);
nfsm_chain_add_32(error, &nmrep, prefsize);
nfsm_chain_add_32(error, &nmrep, 1);
/* XXX link/symlink support should be taken from volume capabilities */
nfsm_chain_add_32(error, &nmrep,
- NFSV3FSINFO_LINK | NFSV3FSINFO_SYMLINK |
- NFSV3FSINFO_HOMOGENEOUS | NFSV3FSINFO_CANSETTIME);
+ NFSV3FSINFO_LINK | NFSV3FSINFO_SYMLINK |
+ NFSV3FSINFO_HOMOGENEOUS | NFSV3FSINFO_CANSETTIME);
nfsmout:
nfsm_chain_build_done(error, &nmrep);
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
vfs_context_t ctx,
mbuf_t *mrepp)
{
- int error, attrerr, linkmax, namemax;
- int chownres, notrunc, case_sensitive, case_preserving;
+ int error, attrerr, linkmax = 0, namemax = 0;
+ int chownres = 0, notrunc = 0, case_sensitive = 0, case_preserving = 0;
vnode_t vp;
struct vnode_attr attr;
struct nfs_filehandle nfh;
nfsmerr_if(error);
error = VNOP_PATHCONF(vp, _PC_LINK_MAX, &linkmax, ctx);
- if (!error)
+ if (!error) {
error = VNOP_PATHCONF(vp, _PC_NAME_MAX, &namemax, ctx);
- if (!error)
+ }
+ if (!error) {
error = VNOP_PATHCONF(vp, _PC_CHOWN_RESTRICTED, &chownres, ctx);
- if (!error)
+ }
+ if (!error) {
error = VNOP_PATHCONF(vp, _PC_NO_TRUNC, ¬runc, ctx);
- if (!error)
+ }
+ if (!error) {
error = VNOP_PATHCONF(vp, _PC_CASE_SENSITIVE, &case_sensitive, ctx);
- if (!error)
+ }
+ if (!error) {
error = VNOP_PATHCONF(vp, _PC_CASE_PRESERVING, &case_preserving, ctx);
+ }
nfsm_srv_vattr_init(&attr, NFS_VER3);
attrerr = vnode_getattr(vp, &attr, ctx);
nfsmerr:
- if (vp)
+ if (vp) {
vnode_put(vp);
+ }
/* assemble reply */
nd->nd_repstat = error;
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
/*
* RPCSEC_GSS context setup ?
*/
- if (nd->nd_gss_context)
- return(nfs_gss_svc_ctx_init(nd, slp, mrepp));
+ if (nd->nd_gss_context) {
+ return nfs_gss_svc_ctx_init(nd, slp, mrepp);
+ }
nfsm_chain_null(&nmrep);
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
/*
nfsm_chain_null(&nmrep);
- if (nd->nd_repstat)
+ if (nd->nd_repstat) {
error = nd->nd_repstat;
- else
+ } else {
error = EPROCUNAVAIL;
+ }
/* assemble reply */
nd->nd_repstat = error;
nfsm_chain_cleanup(&nmrep);
*mrepp = NULL;
}
- return (error);
+ return error;
}
-int (*nfsrv_procs[NFS_NPROCS])(struct nfsrv_descript *nd,
- struct nfsrv_sock *slp,
- vfs_context_t ctx,
- mbuf_t *mrepp) = {
+const nfsrv_proc_t nfsrv_procs[NFS_NPROCS] = {
nfsrv_null,
nfsrv_getattr,
nfsrv_setattr,
* processes that chmod after opening a file don't break. I don't like
* this because it opens a security hole, but since the nfs server opens
* a security hole the size of a barn door anyhow, what the heck.
- *
+ *
* The exception to rule 2 is EPERM. If a file is IMMUTABLE, vnode_authorize()
* will return EPERM instead of EACCESS. EPERM is always an error.
*/
if (nxo->nxo_flags & NX_READONLY) {
switch (vnode_vtype(vp)) {
case VREG: case VDIR: case VLNK: case VCPLX:
- return (EROFS);
+ return EROFS;
default:
break;
}
VATTR_INIT(&vattr);
VATTR_WANTED(&vattr, va_uid);
if ((vnode_getattr(vp, &vattr, ctx) == 0) &&
- (kauth_cred_getuid(vfs_context_ucred(ctx)) == vattr.va_uid))
+ (kauth_cred_getuid(vfs_context_ucred(ctx)) == vattr.va_uid)) {
error = 0;
+ }
}
return error;
}
-#endif /* NFSSERVER */
-
+#endif /* CONFIG_NFS_SERVER */
projects / apple / xnu.git / blobdiff