/*
- * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License"). You may not use this file except in compliance with the
+ * License. Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
*
- * 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
- * compliance with the License. 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
+ * This 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,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * 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.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
* 3 - build the rpc reply in an mbuf list
* nb:
* - do not mix the phases, since the nfsm_?? macros can return failures
- * on a bad rpc or similar and do not do any vrele() or vput()'s
+ * on a bad rpc or similar and do not do any vnode_rele()s or vnode_put()s
*
* - the nfsm_reply() macro generates an nfs rpc reply with the nfs
* error number iff error != 0 whereas
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
-#include <sys/namei.h>
+#include <sys/kauth.h>
#include <sys/unistd.h>
#include <sys/malloc.h>
#include <sys/vnode.h>
-#include <sys/mount.h>
+#include <sys/mount_internal.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
-#include <sys/mbuf.h>
+#include <sys/kpi_mbuf.h>
#include <sys/dirent.h>
#include <sys/stat.h>
#include <sys/kernel.h>
#include <sys/sysctl.h>
#include <sys/ubc.h>
+#include <sys/vnode_internal.h>
+#include <sys/uio_internal.h>
+#include <libkern/OSAtomic.h>
#include <sys/vm.h>
#include <sys/vmparam.h>
-#include <machine/spl.h>
#include <nfs/nfsproto.h>
#include <nfs/rpcv2.h>
#include <nfs/nfs.h>
#include <nfs/xdr_subs.h>
#include <nfs/nfsm_subs.h>
-#include <nfs/nqnfs.h>
nfstype nfsv3_type[9] = { NFNON, NFREG, NFDIR, NFBLK, NFCHR, NFLNK, NFSOCK,
NFFIFO, NFNON };
SYSCTL_INT(_vfs_nfs, OID_AUTO, async, CTLFLAG_RW, &nfs_async, 0, "");
#endif
-static int nfsrv_access __P((struct vnode *,int,struct ucred *,int,
- struct proc *, int));
-static void nfsrvw_coalesce __P((struct nfsrv_descript *,
- struct nfsrv_descript *));
+static int nfsrv_authorize(vnode_t,vnode_t,kauth_action_t,vfs_context_t,struct nfs_export_options*,int);
+static void nfsrvw_coalesce(struct nfsrv_descript *, struct nfsrv_descript *);
+
+#define THREAD_SAFE_FS(VP) \
+ ((VP)->v_mount ? (VP)->v_mount->mnt_vtable->vfc_threadsafe : 0)
/*
* nfs v3 access service
nfsrv3_access(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- struct vnode *vp;
- nfsfh_t nfh;
- fhandle_t *fhp;
- register u_long *tl;
- register long t1;
+ vnode_t vp;
+ struct nfs_filehandle nfh;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- int error = 0, rdonly, cache, getret;
+ int error = 0, getret;
char *cp2;
- struct mbuf *mb, *mreq, *mb2;
- struct vattr vattr, *vap = &vattr;
- u_long testmode, nfsmode;
- u_quad_t frev;
+ mbuf_t mb, mreq, mb2;
+ struct vnode_attr vattr, *vap = &vattr;
+ u_long nfsmode;
+ kauth_action_t testaction;
+ struct vfs_context context;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
-#ifndef nolint
- cache = 0;
-#endif
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
+ nfsm_srvmtofh(&nfh);
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED);
- if ((error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
+ if ((error = nfsrv_fhtovp(&nfh, nam, TRUE, &vp, &nx, &nxo))) {
nfsm_reply(NFSX_UNSIGNED);
- nfsm_srvpostop_attr(1, (struct vattr *)0);
+ nfsm_srvpostop_attr(1, NULL);
+ return (0);
+ }
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
+ nfsm_reply(NFSX_UNSIGNED);
+ nfsm_srvpostop_attr(1, NULL);
return (0);
}
nfsmode = fxdr_unsigned(u_long, *tl);
- if ((nfsmode & NFSV3ACCESS_READ) &&
- nfsrv_access(vp, VREAD, cred, rdonly, procp, 0))
- nfsmode &= ~NFSV3ACCESS_READ;
- if (vp->v_type == VDIR)
- testmode = (NFSV3ACCESS_MODIFY | NFSV3ACCESS_EXTEND |
- NFSV3ACCESS_DELETE);
- else
- testmode = (NFSV3ACCESS_MODIFY | NFSV3ACCESS_EXTEND);
- if ((nfsmode & testmode) &&
- nfsrv_access(vp, VWRITE, cred, rdonly, procp, 0))
- nfsmode &= ~testmode;
- if (vp->v_type == VDIR)
- testmode = NFSV3ACCESS_LOOKUP;
- else
- testmode = NFSV3ACCESS_EXECUTE;
- if ((nfsmode & testmode) &&
- nfsrv_access(vp, VEXEC, cred, rdonly, procp, 0))
- nfsmode &= ~testmode;
- getret = VOP_GETATTR(vp, vap, cred, procp);
- vput(vp);
+
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ /*
+ * Each NFS mode bit is tested separately.
+ *
+ * XXX this code is nominally correct, but returns a pessimistic
+ * rather than optimistic result. It will be necessary to add
+ * an NFS-specific interface to the vnode_authorize code to
+ * obtain good performance in the optimistic mode.
+ */
+ if (nfsmode & NFSV3ACCESS_READ) {
+ if (vnode_isdir(vp)) {
+ testaction =
+ KAUTH_VNODE_LIST_DIRECTORY |
+ KAUTH_VNODE_READ_EXTATTRIBUTES;
+ } else {
+ testaction =
+ KAUTH_VNODE_READ_DATA |
+ KAUTH_VNODE_READ_EXTATTRIBUTES;
+ }
+ if (nfsrv_authorize(vp, NULL, testaction, &context, nxo, 0))
+ nfsmode &= ~NFSV3ACCESS_READ;
+ }
+ if ((nfsmode & NFSV3ACCESS_LOOKUP) &&
+ (!vnode_isdir(vp) ||
+ nfsrv_authorize(vp, NULL, KAUTH_VNODE_SEARCH, &context, nxo, 0)))
+ nfsmode &= ~NFSV3ACCESS_LOOKUP;
+ if (nfsmode & NFSV3ACCESS_MODIFY) {
+ if (vnode_isdir(vp)) {
+ testaction =
+ KAUTH_VNODE_ADD_FILE |
+ KAUTH_VNODE_ADD_SUBDIRECTORY |
+ KAUTH_VNODE_DELETE_CHILD;
+ } else {
+ testaction =
+ KAUTH_VNODE_WRITE_DATA |
+ KAUTH_VNODE_WRITE_ATTRIBUTES |
+ KAUTH_VNODE_WRITE_EXTATTRIBUTES |
+ KAUTH_VNODE_WRITE_SECURITY;
+ }
+ if (nfsrv_authorize(vp, NULL, testaction, &context, nxo, 0))
+ nfsmode &= ~NFSV3ACCESS_MODIFY;
+ }
+ if (nfsmode & NFSV3ACCESS_EXTEND) {
+ if (vnode_isdir(vp)) {
+ testaction =
+ KAUTH_VNODE_ADD_FILE |
+ KAUTH_VNODE_ADD_SUBDIRECTORY;
+ } else {
+ testaction =
+ KAUTH_VNODE_WRITE_DATA |
+ KAUTH_VNODE_APPEND_DATA;
+ }
+ if (nfsrv_authorize(vp, NULL, testaction, &context, nxo, 0))
+ nfsmode &= ~NFSV3ACCESS_EXTEND;
+ }
+
+ /*
+ * Note concerning NFSV3ACCESS_DELETE:
+ * For hard links, the answer may be wrong if the vnode
+ * has multiple parents with different permissions.
+ * Also, some clients (e.g. MacOSX 10.3) may incorrectly
+ * interpret the missing/cleared DELETE bit.
+ * So we'll just leave the DELETE bit alone. At worst,
+ * we're telling the client it might be able to do
+ * something it really can't.
+ */
+
+ if ((nfsmode & NFSV3ACCESS_EXECUTE) &&
+ (vnode_isdir(vp) ||
+ nfsrv_authorize(vp, NULL, KAUTH_VNODE_EXECUTE, &context, nxo, 0)))
+ nfsmode &= ~NFSV3ACCESS_EXECUTE;
+
+ nfsm_srv_vattr_init(vap, 1);
+ getret = vnode_getattr(vp, vap, &context);
+ vnode_put(vp);
nfsm_reply(NFSX_POSTOPATTR(1) + NFSX_UNSIGNED);
nfsm_srvpostop_attr(getret, vap);
nfsm_build(tl, u_long *, NFSX_UNSIGNED);
*tl = txdr_unsigned(nfsmode);
- nfsm_srvdone;
+nfsmout:
+ return (error);
}
/*
nfsrv_getattr(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- register struct nfs_fattr *fp;
- struct vattr va;
- register struct vattr *vap = &va;
- struct vnode *vp;
- nfsfh_t nfh;
- fhandle_t *fhp;
- register u_long *tl;
- register long t1;
+ struct nfs_fattr *fp;
+ struct vnode_attr va;
+ struct vnode_attr *vap = &va;
+ vnode_t vp;
+ struct nfs_filehandle nfh;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- int error = 0, rdonly, cache;
+ int error = 0;
char *cp2;
- struct mbuf *mb, *mb2, *mreq;
- u_quad_t frev;
+ mbuf_t mb, mb2, mreq;
+ struct vfs_context context;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ int v3 = (nfsd->nd_flag & ND_NFSV3);
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
- if ((error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
+ nfsm_srvmtofh(&nfh);
+ if ((error = nfsrv_fhtovp(&nfh, nam, TRUE, &vp, &nx, &nxo))) {
+ nfsm_reply(0);
+ return (0);
+ }
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
nfsm_reply(0);
return (0);
}
- nqsrv_getl(vp, ND_READ);
- error = VOP_GETATTR(vp, vap, cred, procp);
- vput(vp);
- nfsm_reply(NFSX_FATTR(nfsd->nd_flag & ND_NFSV3));
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ nfsm_srv_vattr_init(vap, v3);
+ error = vnode_getattr(vp, vap, &context);
+ vnode_put(vp);
+ nfsm_reply(NFSX_FATTR(v3));
if (error)
return (0);
- nfsm_build(fp, struct nfs_fattr *, NFSX_FATTR(nfsd->nd_flag & ND_NFSV3));
+ nfsm_build(fp, struct nfs_fattr *, NFSX_FATTR(v3));
nfsm_srvfillattr(vap, fp);
- nfsm_srvdone;
+nfsmout:
+ return (error);
}
/*
nfsrv_setattr(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- struct vattr va, preat;
- register struct vattr *vap = &va;
- register struct nfsv2_sattr *sp;
- register struct nfs_fattr *fp;
- struct vnode *vp;
- nfsfh_t nfh;
- fhandle_t *fhp;
- register u_long *tl;
- register long t1;
+ struct vnode_attr preat;
+ struct vnode_attr postat;
+ struct vnode_attr va;
+ struct vnode_attr *vap = &va;
+ struct nfsv2_sattr *sp;
+ struct nfs_fattr *fp;
+ vnode_t vp;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- int error = 0, rdonly, cache, preat_ret = 1, postat_ret = 1;
+ int error = 0, preat_ret = 1, postat_ret = 1;
int v3 = (nfsd->nd_flag & ND_NFSV3), gcheck = 0;
char *cp2;
- struct mbuf *mb, *mb2, *mreq;
- u_quad_t frev;
+ mbuf_t mb, mb2, mreq;
struct timespec guard;
+ struct vfs_context context;
+ kauth_action_t action;
+ uid_t saved_uid;
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
- VATTR_NULL(vap);
+ nfsm_srvmtofh(&nfh);
+ VATTR_INIT(vap);
if (v3) {
nfsm_srvsattr(vap);
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED);
* --> check the low order 2 bytes for 0xffff
*/
if ((fxdr_unsigned(int, sp->sa_mode) & 0xffff) != 0xffff)
- vap->va_mode = nfstov_mode(sp->sa_mode);
+ VATTR_SET(vap, va_mode, nfstov_mode(sp->sa_mode));
if (sp->sa_uid != nfs_xdrneg1)
- vap->va_uid = fxdr_unsigned(uid_t, sp->sa_uid);
+ VATTR_SET(vap, va_uid, fxdr_unsigned(uid_t, sp->sa_uid));
if (sp->sa_gid != nfs_xdrneg1)
- vap->va_gid = fxdr_unsigned(gid_t, sp->sa_gid);
+ VATTR_SET(vap, va_gid, fxdr_unsigned(gid_t, sp->sa_gid));
if (sp->sa_size != nfs_xdrneg1)
- vap->va_size = fxdr_unsigned(u_quad_t, sp->sa_size);
+ VATTR_SET(vap, va_data_size, fxdr_unsigned(u_quad_t, sp->sa_size));
if (sp->sa_atime.nfsv2_sec != nfs_xdrneg1) {
-#ifdef notyet
- fxdr_nfsv2time(&sp->sa_atime, &vap->va_atime);
-#else
- vap->va_atime.tv_sec =
- fxdr_unsigned(long, sp->sa_atime.nfsv2_sec);
- vap->va_atime.tv_nsec = 0;
-#endif
+ fxdr_nfsv2time(&sp->sa_atime, &vap->va_access_time);
+ VATTR_SET_ACTIVE(vap, va_access_time);
+ }
+ if (sp->sa_mtime.nfsv2_sec != nfs_xdrneg1) {
+ fxdr_nfsv2time(&sp->sa_mtime, &vap->va_modify_time);
+ VATTR_SET_ACTIVE(vap, va_modify_time);
}
- if (sp->sa_mtime.nfsv2_sec != nfs_xdrneg1)
- fxdr_nfsv2time(&sp->sa_mtime, &vap->va_mtime);
-
}
+ /*
+ * Save the original credential UID in case they are
+ * mapped and we need to map the IDs in the attributes.
+ */
+ saved_uid = kauth_cred_getuid(nfsd->nd_cr);
+
/*
* Now that we have all the fields, lets do it.
*/
- if ((error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
+ if ((error = nfsrv_fhtovp(&nfh, nam, TRUE, &vp, &nx, &nxo))) {
+ nfsm_reply(2 * NFSX_UNSIGNED);
+ nfsm_srvwcc_data(preat_ret, &preat, postat_ret, &postat);
+ return (0);
+ }
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
nfsm_reply(2 * NFSX_UNSIGNED);
- nfsm_srvwcc_data(preat_ret, &preat, postat_ret, vap);
+ nfsm_srvwcc_data(preat_ret, &preat, postat_ret, &postat);
return (0);
}
- nqsrv_getl(vp, ND_WRITE);
+
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
if (v3) {
- error = preat_ret = VOP_GETATTR(vp, &preat, cred, procp);
- if (!error && gcheck &&
- (preat.va_ctime.tv_sec != guard.tv_sec ||
- preat.va_ctime.tv_nsec != guard.tv_nsec))
+ nfsm_srv_pre_vattr_init(&preat, v3);
+ error = preat_ret = vnode_getattr(vp, &preat, &context);
+ if (!error && gcheck && VATTR_IS_SUPPORTED(&preat, va_change_time) &&
+ (preat.va_change_time.tv_sec != guard.tv_sec ||
+ preat.va_change_time.tv_nsec != guard.tv_nsec))
error = NFSERR_NOT_SYNC;
+ if (!preat_ret && !VATTR_ALL_SUPPORTED(&preat))
+ preat_ret = 1;
if (error) {
- vput(vp);
+ vnode_put(vp);
nfsm_reply(NFSX_WCCDATA(v3));
- nfsm_srvwcc_data(preat_ret, &preat, postat_ret, vap);
+ nfsm_srvwcc_data(preat_ret, &preat, postat_ret, &postat);
return (0);
}
}
/*
- * If the size is being changed write acces is required, otherwise
- * just check for a read only file system.
+ * If the credentials were mapped, we should
+ * map the same values in the attributes.
*/
- if (vap->va_size == ((u_quad_t)((quad_t) -1))) {
- if (rdonly || (vp->v_mount->mnt_flag & MNT_RDONLY)) {
- error = EROFS;
- goto out;
- }
- } else {
- if (vp->v_type == VDIR) {
- error = EISDIR;
- goto out;
- } else if ((error = nfsrv_access(vp, VWRITE, cred, rdonly,
- procp, 0)))
- goto out;
+ if ((vap->va_uid == saved_uid) && (kauth_cred_getuid(nfsd->nd_cr) != saved_uid)) {
+ int ismember;
+ VATTR_SET(vap, va_uid, kauth_cred_getuid(nfsd->nd_cr));
+ if (kauth_cred_ismember_gid(nfsd->nd_cr, vap->va_gid, &ismember) || !ismember)
+ VATTR_SET(vap, va_gid, kauth_cred_getgid(nfsd->nd_cr));
}
- error = VOP_SETATTR(vp, vap, cred, procp);
- postat_ret = VOP_GETATTR(vp, vap, cred, procp);
+
+ /*
+ * Authorize the attribute changes.
+ */
+ if (((error = vnode_authattr(vp, vap, &action, &context))) ||
+ ((error = nfsrv_authorize(vp, NULL, action, &context, nxo, 0))))
+ goto out;
+ error = vnode_setattr(vp, vap, &context);
+
+ nfsm_srv_vattr_init(&postat, v3);
+ postat_ret = vnode_getattr(vp, &postat, &context);
if (!error)
error = postat_ret;
out:
- vput(vp);
+ vnode_put(vp);
nfsm_reply(NFSX_WCCORFATTR(v3));
if (v3) {
- nfsm_srvwcc_data(preat_ret, &preat, postat_ret, vap);
+ nfsm_srvwcc_data(preat_ret, &preat, postat_ret, &postat);
return (0);
} else {
nfsm_build(fp, struct nfs_fattr *, NFSX_V2FATTR);
- nfsm_srvfillattr(vap, fp);
+ nfsm_srvfillattr(&postat, fp);
}
- nfsm_srvdone;
+nfsmout:
+ return (error);
}
/*
nfsrv_lookup(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- register struct nfs_fattr *fp;
+ struct nfs_fattr *fp;
struct nameidata nd, *ndp = &nd;
-#ifdef notdef
+/* XXX Revisit when enabling WebNFS */
+#ifdef WEBNFS_ENABLED
struct nameidata ind;
#endif
- struct vnode *vp, *dirp;
- nfsfh_t nfh;
- fhandle_t *fhp;
- register caddr_t cp;
- register u_long *tl;
- register long t1;
+ vnode_t vp, dirp = NULL;
+ struct nfs_filehandle dnfh, nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ caddr_t cp;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- int error = 0, cache, len, dirattr_ret = 1;
+ int error = 0, len, dirattr_ret = 1, isdotdot;
int v3 = (nfsd->nd_flag & ND_NFSV3), pubflag;
char *cp2;
- struct mbuf *mb, *mb2, *mreq;
- struct vattr va, dirattr, *vap = &va;
- u_quad_t frev;
+ mbuf_t mb, mb2, mreq;
+ struct vnode_attr va, dirattr, *vap = &va;
+ struct vfs_context context;
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
- nfsm_srvnamesiz(len);
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
- pubflag = nfs_ispublicfh(fhp);
+ nfsm_srvmtofh(&dnfh);
+ nfsm_srvnamesiz(len, v3);
+
+ pubflag = nfs_ispublicfh(&dnfh);
- nd.ni_cnd.cn_cred = cred;
nd.ni_cnd.cn_nameiop = LOOKUP;
- nd.ni_cnd.cn_flags = LOCKLEAF | SAVESTART;
- error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos,
- &dirp, procp, (nfsd->nd_flag & ND_KERBAUTH), pubflag);
+ nd.ni_cnd.cn_flags = LOCKLEAF;
+ error = nfsm_path_mbuftond(&md, &dpos, v3, pubflag, &len, &nd);
+ isdotdot = ((len == 2) && (nd.ni_cnd.cn_pnbuf[0] == '.') && (nd.ni_cnd.cn_pnbuf[1] == '.'));
+ if (!error)
+ error = nfs_namei(nfsd, &context, &nd, &dnfh, nam, pubflag, &dirp, &nx, &nxo);
-/* XXX CSM 12/4/97 Revisit when enabling WebNFS */
-#ifdef notyet
+/* XXX Revisit when enabling WebNFS */
+#ifdef WEBNFS_ENABLED
if (!error && pubflag) {
- if (nd.ni_vp->v_type == VDIR && nfs_pub.np_index != NULL) {
+ if (vnode_vtype(nd.ni_vp) == VDIR && nfs_pub.np_index != NULL) {
/*
* Setup call to lookup() to see if we can find
* the index file. Arguably, this doesn't belong
* in a kernel.. Ugh.
*/
ind = nd;
- VOP_UNLOCK(nd.ni_vp, 0, procp);
ind.ni_pathlen = strlen(nfs_pub.np_index);
ind.ni_cnd.cn_nameptr = ind.ni_cnd.cn_pnbuf =
nfs_pub.np_index;
ind.ni_startdir = nd.ni_vp;
- VREF(ind.ni_startdir);
- error = lookup(&ind);
- if (!error) {
+ ind.ni_usedvp = nd.ni_vp;
+
+ if (!(error = lookup(&ind))) {
/*
* Found an index file. Get rid of
* the old references.
*/
if (dirp)
- vrele(dirp);
+ vnode_put(dirp);
dirp = nd.ni_vp;
- vrele(nd.ni_startdir);
+ vnode_put(nd.ni_startdir);
ndp = &ind;
} else
error = 0;
* filesystem.
*/
- if (!error && ndp->ni_vp->v_mount != nfs_pub.np_mount) {
- vput(nd.ni_vp);
+ if (!error && vnode_mount(ndp->ni_vp) != nfs_pub.np_mount) {
+ vnode_put(nd.ni_vp);
+ nameidone(&nd);
error = EPERM;
}
}
#endif
if (dirp) {
- if (v3)
- dirattr_ret = VOP_GETATTR(dirp, &dirattr, cred,
- procp);
- vrele(dirp);
+ if (v3) {
+ nfsm_srv_vattr_init(&dirattr, v3);
+ dirattr_ret = vnode_getattr(dirp, &dirattr, &context);
+ }
+ vnode_put(dirp);
}
if (error) {
nfsm_srvpostop_attr(dirattr_ret, &dirattr);
return (0);
}
+ nameidone(&nd);
- nqsrv_getl(ndp->ni_startdir, ND_READ);
- vrele(ndp->ni_startdir);
- FREE_ZONE(nd.ni_cnd.cn_pnbuf, nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
vp = ndp->ni_vp;
- bzero((caddr_t)fhp, sizeof(nfh));
- fhp->fh_fsid = vp->v_mount->mnt_stat.f_fsid;
- error = VFS_VPTOFH(vp, &fhp->fh_fid);
- if (!error)
- error = VOP_GETATTR(vp, vap, cred, procp);
- vput(vp);
- nfsm_reply(NFSX_SRVFH(v3) + NFSX_POSTOPORFATTR(v3) + NFSX_POSTOPATTR(v3));
+ error = nfsrv_vptofh(nx, !v3, (isdotdot ? &dnfh : NULL), vp, &context, &nfh);
+ if (!error) {
+ nfsm_srv_vattr_init(vap, v3);
+ error = vnode_getattr(vp, vap, &context);
+ }
+ vnode_put(vp);
+ nfsm_reply(NFSX_SRVFH(v3, &nfh) + NFSX_POSTOPORFATTR(v3) + NFSX_POSTOPATTR(v3));
if (error) {
nfsm_srvpostop_attr(dirattr_ret, &dirattr);
return (0);
}
- nfsm_srvfhtom(fhp, v3);
+ nfsm_srvfhtom(&nfh, v3);
if (v3) {
nfsm_srvpostop_attr(0, vap);
nfsm_srvpostop_attr(dirattr_ret, &dirattr);
nfsm_build(fp, struct nfs_fattr *, NFSX_V2FATTR);
nfsm_srvfillattr(vap, fp);
}
- nfsm_srvdone;
+nfsmout:
+ return (error);
}
/*
nfsrv_readlink(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- struct iovec iv[(NFS_MAXPATHLEN+MLEN-1)/MLEN];
- register struct iovec *ivp = iv;
- register struct mbuf *mp;
- register u_long *tl;
- register long t1;
+ mbuf_t mp;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- int error = 0, rdonly, cache, i, tlen, len, getret;
+ int error = 0, i, tlen, len, getret = 1;
int v3 = (nfsd->nd_flag & ND_NFSV3);
char *cp2;
- struct mbuf *mb, *mb2, *mp2, *mp3, *mreq;
- struct vnode *vp;
- struct vattr attr;
- nfsfh_t nfh;
- fhandle_t *fhp;
- struct uio io, *uiop = &io;
- u_quad_t frev;
+ mbuf_t mb, mb2, mp2, mp3, mreq;
+ vnode_t vp;
+ struct vnode_attr attr;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ uio_t uiop = NULL;
+ char uio_buf[ UIO_SIZEOF(4) ];
+ char *uio_bufp = &uio_buf[0];
+ int uio_buflen = UIO_SIZEOF(4);
+ int mblen;
+ struct vfs_context context;
-#ifndef nolint
- mp2 = mp3 = (struct mbuf *)0;
-#endif
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
+ nfsm_srvmtofh(&nfh);
len = 0;
i = 0;
+
+ mp2 = mp3 = NULL;
+ vp = NULL;
while (len < NFS_MAXPATHLEN) {
- MGET(mp, M_WAIT, MT_DATA);
- MCLGET(mp, M_WAIT);
- mp->m_len = NFSMSIZ(mp);
+ mp = NULL;
+ if ((error = mbuf_mclget(MBUF_WAITOK, MBUF_TYPE_DATA, &mp)))
+ goto out;
+ mblen = mbuf_maxlen(mp);
+ mbuf_setlen(mp, mblen);
if (len == 0)
mp3 = mp2 = mp;
else {
- mp2->m_next = mp;
+ if ((error = mbuf_setnext(mp2, mp))) {
+ mbuf_free(mp);
+ goto out;
+ }
mp2 = mp;
}
- if ((len+mp->m_len) > NFS_MAXPATHLEN) {
- mp->m_len = NFS_MAXPATHLEN-len;
+ if ((len + mblen) > NFS_MAXPATHLEN) {
+ mbuf_setlen(mp, NFS_MAXPATHLEN - len);
len = NFS_MAXPATHLEN;
} else
- len += mp->m_len;
- ivp->iov_base = mtod(mp, caddr_t);
- ivp->iov_len = mp->m_len;
- i++;
- ivp++;
- }
- uiop->uio_iov = iv;
- uiop->uio_iovcnt = i;
- uiop->uio_offset = 0;
- uiop->uio_resid = len;
- uiop->uio_rw = UIO_READ;
- uiop->uio_segflg = UIO_SYSSPACE;
- uiop->uio_procp = (struct proc *)0;
- if ((error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
- m_freem(mp3);
+ len += mblen;
+ i++;
+ }
+ if (i > 4) {
+ uio_buflen = UIO_SIZEOF(i);
+ MALLOC(uio_bufp, char*, uio_buflen, M_TEMP, M_WAITOK);
+ if (!uio_bufp) {
+ error = ENOMEM;
+ mbuf_freem(mp3);
+ nfsm_reply(2 * NFSX_UNSIGNED);
+ nfsm_srvpostop_attr(1, NULL);
+ return (0);
+ }
+ }
+ uiop = uio_createwithbuffer(i, 0, UIO_SYSSPACE, UIO_READ, uio_bufp, uio_buflen);
+ if (!uiop) {
+ error = ENOMEM;
+ mbuf_freem(mp3);
+ if (uio_bufp != &uio_buf[0]) {
+ FREE(uio_bufp, M_TEMP);
+ uio_bufp = &uio_buf[0];
+ }
+ nfsm_reply(2 * NFSX_UNSIGNED);
+ nfsm_srvpostop_attr(1, NULL);
+ return (0);
+ }
+ mp = mp3;
+ while (mp) {
+ uio_addiov(uiop, CAST_USER_ADDR_T((caddr_t)mbuf_data(mp)), mbuf_len(mp));
+ mp = mbuf_next(mp);
+ }
+
+ if ((error = nfsrv_fhtovp(&nfh, nam, TRUE, &vp, &nx, &nxo))) {
+ mbuf_freem(mp3);
+ if (uio_bufp != &uio_buf[0]) {
+ FREE(uio_bufp, M_TEMP);
+ uio_bufp = &uio_buf[0];
+ }
+ nfsm_reply(2 * NFSX_UNSIGNED);
+ nfsm_srvpostop_attr(1, NULL);
+ return (0);
+ }
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
+ mbuf_freem(mp3);
+ if (uio_bufp != &uio_buf[0]) {
+ FREE(uio_bufp, M_TEMP);
+ uio_bufp = &uio_buf[0];
+ }
nfsm_reply(2 * NFSX_UNSIGNED);
- nfsm_srvpostop_attr(1, (struct vattr *)0);
+ nfsm_srvpostop_attr(1, NULL);
return (0);
}
- if (vp->v_type != VLNK) {
+ if (vnode_vtype(vp) != VLNK) {
if (v3)
error = EINVAL;
else
error = ENXIO;
goto out;
}
- nqsrv_getl(vp, ND_READ);
- error = VOP_READLINK(vp, uiop, cred);
+
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ if ((error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_READ_DATA, &context, nxo, 0)))
+ goto out;
+ error = VNOP_READLINK(vp, uiop, &context);
out:
- getret = VOP_GETATTR(vp, &attr, cred, procp);
- vput(vp);
- if (error)
- m_freem(mp3);
+ if (vp) {
+ if (v3) {
+ nfsm_srv_vattr_init(&attr, v3);
+ getret = vnode_getattr(vp, &attr, &context);
+ }
+ vnode_put(vp);
+ }
+ if (error) {
+ mbuf_freem(mp3);
+ mp3 = NULL;
+ }
nfsm_reply(NFSX_POSTOPATTR(v3) + NFSX_UNSIGNED);
if (v3) {
nfsm_srvpostop_attr(getret, &attr);
- if (error)
+ if (error) {
+ if (uio_bufp != &uio_buf[0])
+ FREE(uio_bufp, M_TEMP);
return (0);
+ }
}
- if (uiop->uio_resid > 0) {
- len -= uiop->uio_resid;
- tlen = nfsm_rndup(len);
- nfsm_adj(mp3, NFS_MAXPATHLEN-tlen, tlen-len);
+ if (!error) {
+ if (uiop && (uio_resid(uiop) > 0)) {
+ // LP64todo - fix this
+ len -= uio_resid(uiop);
+ tlen = nfsm_rndup(len);
+ nfsm_adj(mp3, NFS_MAXPATHLEN-tlen, tlen-len);
+ }
+ nfsm_build(tl, u_long *, NFSX_UNSIGNED);
+ *tl = txdr_unsigned(len);
+ mbuf_setnext(mb, mp3);
}
- nfsm_build(tl, u_long *, NFSX_UNSIGNED);
- *tl = txdr_unsigned(len);
- mb->m_next = mp3;
- nfsm_srvdone;
+nfsmout:
+ if (uio_bufp != &uio_buf[0])
+ FREE(uio_bufp, M_TEMP);
+ return (error);
}
/*
nfsrv_read(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- register struct iovec *iv;
- struct iovec *iv2;
- register struct mbuf *m;
- register struct nfs_fattr *fp;
- register u_long *tl;
- register long t1;
- register int i;
+ mbuf_t m;
+ struct nfs_fattr *fp;
+ u_long *tl;
+ long t1;
+ int i;
caddr_t bpos;
- int error = 0, rdonly, cache, cnt, len, left, siz, tlen, getret;
+ int error = 0, count, len, left, siz, tlen, getret;
int v3 = (nfsd->nd_flag & ND_NFSV3), reqlen;
char *cp2;
- struct mbuf *mb, *mb2, *mreq;
- struct mbuf *m2;
- struct vnode *vp;
- nfsfh_t nfh;
- fhandle_t *fhp;
- struct uio io, *uiop = &io;
- struct vattr va, *vap = &va;
+ mbuf_t mb, mb2, mreq;
+ mbuf_t m2;
+ vnode_t vp;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ uio_t uiop = NULL;
+ char *uio_bufp = NULL;
+ struct vnode_attr va, *vap = &va;
off_t off;
- u_quad_t frev;
- int didhold = 0;
+ char uio_buf[ UIO_SIZEOF(0) ];
+ struct vfs_context context;
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
+ nfsm_srvmtofh(&nfh);
if (v3) {
nfsm_dissect(tl, u_long *, 2 * NFSX_UNSIGNED);
fxdr_hyper(tl, &off);
off = (off_t)fxdr_unsigned(u_long, *tl);
}
nfsm_srvstrsiz(reqlen, NFS_SRVMAXDATA(nfsd));
- if ((error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
+ if ((error = nfsrv_fhtovp(&nfh, nam, TRUE, &vp, &nx, &nxo))) {
+ nfsm_reply(2 * NFSX_UNSIGNED);
+ nfsm_srvpostop_attr(1, NULL);
+ return (0);
+ }
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
nfsm_reply(2 * NFSX_UNSIGNED);
- nfsm_srvpostop_attr(1, (struct vattr *)0);
+ nfsm_srvpostop_attr(1, NULL);
return (0);
}
- if (vp->v_type != VREG) {
+ if (vnode_vtype(vp) != VREG) {
if (v3)
error = EINVAL;
else
- error = (vp->v_type == VDIR) ? EISDIR : EACCES;
+ error = (vnode_vtype(vp) == VDIR) ? EISDIR : EACCES;
}
+
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
if (!error) {
- nqsrv_getl(vp, ND_READ);
- if ((error = nfsrv_access(vp, VREAD, cred, rdonly, procp, 1)))
- error = nfsrv_access(vp, VEXEC, cred, rdonly, procp, 1);
+ if ((error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_READ_DATA, &context, nxo, 1)))
+ error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_EXECUTE, &context, nxo, 1);
}
- getret = VOP_GETATTR(vp, vap, cred, procp);
+ nfsm_srv_vattr_init(vap, v3);
+ getret = vnode_getattr(vp, vap, &context);
if (!error)
error = getret;
if (error) {
- vput(vp);
+ vnode_put(vp);
nfsm_reply(NFSX_POSTOPATTR(v3));
nfsm_srvpostop_attr(getret, vap);
return (0);
}
- if (off >= vap->va_size)
- cnt = 0;
- else if ((off + reqlen) > vap->va_size)
- cnt = nfsm_rndup(vap->va_size - off);
+ 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
- cnt = reqlen;
- nfsm_reply(NFSX_POSTOPORFATTR(v3) + 3 * NFSX_UNSIGNED+nfsm_rndup(cnt));
+ count = reqlen;
+ nfsm_reply(NFSX_POSTOPORFATTR(v3) + 3 * NFSX_UNSIGNED+nfsm_rndup(count));
if (v3) {
nfsm_build(tl, u_long *, NFSX_V3FATTR + 4 * NFSX_UNSIGNED);
*tl++ = nfs_true;
fp = (struct nfs_fattr *)tl;
tl += (NFSX_V2FATTR / sizeof (u_long));
}
- len = left = cnt;
- if (cnt > 0) {
+ len = left = count;
+ if (count > 0) {
/*
* Generate the mbuf list with the uio_iov ref. to it.
*/
i = 0;
m = m2 = mb;
while (left > 0) {
- siz = min(M_TRAILINGSPACE(m), left);
+ siz = min(mbuf_trailingspace(m), left);
if (siz > 0) {
left -= siz;
i++;
}
if (left > 0) {
- MGET(m, M_WAIT, MT_DATA);
- MCLGET(m, M_WAIT);
- m->m_len = 0;
- m2->m_next = m;
+ m = NULL;
+ if ((error = mbuf_mclget(MBUF_WAITOK, MBUF_TYPE_DATA, &m)))
+ goto errorexit;
+ mbuf_setnext(m2, m);
m2 = m;
}
}
- MALLOC(iv, struct iovec *, i * sizeof (struct iovec),
- M_TEMP, M_WAITOK);
- uiop->uio_iov = iv2 = iv;
+ MALLOC(uio_bufp, char *, UIO_SIZEOF(i), M_TEMP, M_WAITOK);
+ if (!uio_bufp) {
+ error = ENOMEM;
+ goto errorexit;
+ }
+ uiop = uio_createwithbuffer(i, off, UIO_SYSSPACE, UIO_READ,
+ uio_bufp, UIO_SIZEOF(i));
+ if (!uiop) {
+ error = ENOMEM;
+ goto errorexit;
+ }
m = mb;
- left = cnt;
+ left = count;
i = 0;
while (left > 0) {
if (m == NULL)
panic("nfsrv_read iov");
- siz = min(M_TRAILINGSPACE(m), left);
+ siz = min(mbuf_trailingspace(m), left);
if (siz > 0) {
- iv->iov_base = mtod(m, caddr_t) + m->m_len;
- iv->iov_len = siz;
- m->m_len += siz;
+ tlen = mbuf_len(m);
+ uio_addiov(uiop, CAST_USER_ADDR_T((char *)mbuf_data(m) + tlen), siz);
+ mbuf_setlen(m, tlen + siz);
left -= siz;
- iv++;
i++;
}
- m = m->m_next;
- }
- uiop->uio_iovcnt = i;
- uiop->uio_offset = off;
- uiop->uio_resid = cnt;
- uiop->uio_rw = UIO_READ;
- uiop->uio_segflg = UIO_SYSSPACE;
- didhold = ubc_hold(vp);
- error = VOP_READ(vp, uiop, IO_NODELOCKED, cred);
- off = uiop->uio_offset;
- FREE((caddr_t)iv2, M_TEMP);
- /* Though our code replaces error with getret, the way I read
- * the v3 spec, it appears you should leave the error alone, but
- * still return vap and not assign error = getret. But leaving
- * that alone. m_freem(mreq) looks bogus. Taking it out. Should be
- * mrep or not there at all. Causes panic. ekn */
- if (error || (getret = VOP_GETATTR(vp, vap, cred, procp))) {
- VOP_UNLOCK(vp, 0, procp);
- if (didhold)
- ubc_rele(vp);
+ m = mbuf_next(m);
+ }
+ error = VNOP_READ(vp, uiop, IO_NODELOCKED, &context);
+ off = uio_offset(uiop);
+errorexit:
+ /*
+ * This may seem a little weird that we drop the whole
+ * successful read if we get an error on the getattr.
+ * The reason is because we've already set up the reply
+ * to have postop attrs and omitting these optional bits
+ * would require shifting all the data in the reply.
+ *
+ * It would be more correct if we would simply drop the
+ * postop attrs if the getattr fails. We might be able to
+ * do that easier if we allocated separate mbufs for the data.
+ */
+ nfsm_srv_vattr_init(vap, v3);
+ if (error || (getret = vnode_getattr(vp, vap, &context))) {
if (!error)
error = getret;
- /* m_freem(mreq);*/
- vrele(vp);
+ mbuf_freem(mreq);
+ vnode_put(vp);
nfsm_reply(NFSX_POSTOPATTR(v3));
nfsm_srvpostop_attr(getret, vap);
+ if (uio_bufp != NULL) {
+ FREE(uio_bufp, M_TEMP);
+ }
return (0);
}
- VOP_UNLOCK(vp, 0, procp);
- if (didhold)
- ubc_rele(vp);
- vrele(vp);
} else {
- uiop->uio_resid = 0;
- vput(vp);
+ uiop = uio_createwithbuffer(0, 0, UIO_SYSSPACE, UIO_READ, &uio_buf[0], sizeof(uio_buf));
+ if (!uiop) {
+ error = ENOMEM;
+ goto errorexit;
+ }
}
+ vnode_put(vp);
nfsm_srvfillattr(vap, fp);
- len -= uiop->uio_resid;
+ // LP64todo - fix this
+ len -= uio_resid(uiop);
tlen = nfsm_rndup(len);
- if (cnt != tlen || tlen != len)
- nfsm_adj(mb, cnt - tlen, tlen - len);
+ if (count != tlen || tlen != len)
+ nfsm_adj(mb, count - tlen, tlen - len);
if (v3) {
*tl++ = txdr_unsigned(len);
if (len < reqlen)
*tl++ = nfs_false;
}
*tl = txdr_unsigned(len);
- nfsm_srvdone;
+nfsmout:
+ if (uio_bufp != NULL) {
+ FREE(uio_bufp, M_TEMP);
+ }
+ return (error);
}
/*
nfsrv_write(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- register struct iovec *ivp;
- register int i, cnt;
- register struct mbuf *mp;
- register struct nfs_fattr *fp;
- struct iovec *iv;
- struct vattr va, forat;
- register struct vattr *vap = &va;
- register u_long *tl;
- register long t1;
- caddr_t bpos;
- int error = 0, rdonly, cache, len, forat_ret = 1;
- int ioflags, aftat_ret = 1, retlen, zeroing, adjust;
+ int i, count;
+ mbuf_t mp;
+ struct nfs_fattr *fp;
+ struct vnode_attr va, forat;
+ struct vnode_attr *vap = &va;
+ u_long *tl;
+ long t1;
+ caddr_t bpos, tpos;
+ int error = 0, len, forat_ret = 1;
+ int ioflags, aftat_ret = 1, retlen, zeroing, adjust, tlen;
int stable = NFSV3WRITE_FILESYNC;
int v3 = (nfsd->nd_flag & ND_NFSV3);
char *cp2;
- struct mbuf *mb, *mb2, *mreq;
- struct vnode *vp;
- nfsfh_t nfh;
- fhandle_t *fhp;
- struct uio io, *uiop = &io;
+ mbuf_t mb, mb2, mreq;
+ vnode_t vp;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ uio_t uiop;
off_t off;
- u_quad_t frev;
- int didhold = 0;
+ char *uio_bufp = NULL;
+ struct vfs_context context;
if (mrep == NULL) {
*mrq = NULL;
return (0);
}
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
+ nfsm_srvmtofh(&nfh);
if (v3) {
nfsm_dissect(tl, u_long *, 5 * NFSX_UNSIGNED);
fxdr_hyper(tl, &off);
stable = NFSV3WRITE_UNSTABLE;
}
retlen = len = fxdr_unsigned(long, *tl);
- cnt = i = 0;
+ count = i = 0;
/*
* For NFS Version 2, it is not obvious what a write of zero length
while (mp) {
if (mp == md) {
zeroing = 0;
- adjust = dpos - mtod(mp, caddr_t);
- mp->m_len -= adjust;
- if (mp->m_len > 0 && adjust > 0)
- NFSMADV(mp, adjust);
+ tpos = mbuf_data(mp);
+ tlen = mbuf_len(mp);
+ adjust = dpos - tpos;
+ tlen -= adjust;
+ mbuf_setlen(mp, tlen);
+ if (tlen > 0 && adjust > 0) {
+ tpos += adjust;
+ if ((error = mbuf_setdata(mp, tpos, tlen))) {
+ nfsm_reply(2 * NFSX_UNSIGNED);
+ nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap);
+ return (0);
+ }
+ }
}
if (zeroing)
- mp->m_len = 0;
- else if (mp->m_len > 0) {
- i += mp->m_len;
+ mbuf_setlen(mp, 0);
+ else if ((tlen = mbuf_len(mp)) > 0) {
+ i += tlen;
if (i > len) {
- mp->m_len -= (i - len);
+ mbuf_setlen(mp, tlen - (i - len));
zeroing = 1;
}
- if (mp->m_len > 0)
- cnt++;
+ if (mbuf_len(mp) > 0)
+ count++;
}
- mp = mp->m_next;
+ mp = mbuf_next(mp);
}
}
if (len > NFS_MAXDATA || len < 0 || i < len) {
nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap);
return (0);
}
- if ((error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
+ if ((error = nfsrv_fhtovp(&nfh, nam, TRUE, &vp, &nx, &nxo))) {
nfsm_reply(2 * NFSX_UNSIGNED);
nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap);
return (0);
}
- if (v3)
- forat_ret = VOP_GETATTR(vp, &forat, cred, procp);
- if (vp->v_type != VREG) {
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
+ nfsm_reply(2 * NFSX_UNSIGNED);
+ nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap);
+ return (0);
+ }
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ if (v3) {
+ nfsm_srv_pre_vattr_init(&forat, v3);
+ forat_ret = vnode_getattr(vp, &forat, &context);
+ }
+ if (vnode_vtype(vp) != VREG) {
if (v3)
error = EINVAL;
else
- error = (vp->v_type == VDIR) ? EISDIR : EACCES;
+ error = (vnode_vtype(vp) == VDIR) ? EISDIR : EACCES;
}
if (!error) {
- nqsrv_getl(vp, ND_WRITE);
- error = nfsrv_access(vp, VWRITE, cred, rdonly, procp, 1);
+ error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_WRITE_DATA, &context, nxo, 1);
}
if (error) {
- vput(vp);
+ vnode_put(vp);
nfsm_reply(NFSX_WCCDATA(v3));
nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap);
return (0);
}
if (len > 0) {
- MALLOC(ivp, struct iovec *, cnt * sizeof (struct iovec), M_TEMP,
- M_WAITOK);
- uiop->uio_iov = iv = ivp;
- uiop->uio_iovcnt = cnt;
+ MALLOC(uio_bufp, char *, UIO_SIZEOF(count), M_TEMP, M_WAITOK);
+ if (!uio_bufp) {
+ error = ENOMEM;
+ vnode_put(vp);
+ nfsm_reply(NFSX_WCCDATA(v3));
+ nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap);
+ return (0);
+ }
+ uiop = uio_createwithbuffer(count, off, UIO_SYSSPACE, UIO_WRITE, uio_bufp, UIO_SIZEOF(count));
+ if (!uiop) {
+ error = ENOMEM;
+ vnode_put(vp);
+ nfsm_reply(NFSX_WCCDATA(v3));
+ nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap);
+ if (uio_bufp != NULL) {
+ FREE(uio_bufp, M_TEMP);
+ }
+ return (0);
+ }
mp = mrep;
while (mp) {
- if (mp->m_len > 0) {
- ivp->iov_base = mtod(mp, caddr_t);
- ivp->iov_len = mp->m_len;
- ivp++;
- }
- mp = mp->m_next;
+ if ((tlen = mbuf_len(mp)) > 0)
+ uio_addiov(uiop, CAST_USER_ADDR_T((caddr_t)mbuf_data(mp)), tlen);
+ mp = mbuf_next(mp);
}
/*
ioflags = (IO_SYNC | IO_NODELOCKED);
else
ioflags = (IO_METASYNC | IO_SYNC | IO_NODELOCKED);
- uiop->uio_resid = len;
- uiop->uio_rw = UIO_WRITE;
- uiop->uio_segflg = UIO_SYSSPACE;
- uiop->uio_procp = (struct proc *)0;
- uiop->uio_offset = off;
- didhold = ubc_hold(vp);
- error = VOP_WRITE(vp, uiop, ioflags, cred);
- nfsstats.srvvop_writes++;
- FREE((caddr_t)iv, M_TEMP);
- }
- aftat_ret = VOP_GETATTR(vp, vap, cred, procp);
- VOP_UNLOCK(vp, 0, procp);
- if (didhold)
- ubc_rele(vp);
- vrele(vp);
+
+ error = VNOP_WRITE(vp, uiop, ioflags, &context);
+ OSAddAtomic(1, (SInt32*)(SInt32*)&nfsstats.srvvop_writes);
+ }
+ nfsm_srv_vattr_init(vap, v3);
+ aftat_ret = vnode_getattr(vp, vap, &context);
+ vnode_put(vp);
if (!error)
error = aftat_ret;
nfsm_reply(NFSX_PREOPATTR(v3) + NFSX_POSTOPORFATTR(v3) +
2 * NFSX_UNSIGNED + NFSX_WRITEVERF(v3));
if (v3) {
nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, vap);
- if (error)
+ if (error) {
+ if (uio_bufp != NULL) {
+ FREE(uio_bufp, M_TEMP);
+ }
return (0);
+ }
nfsm_build(tl, u_long *, 4 * NFSX_UNSIGNED);
*tl++ = txdr_unsigned(retlen);
/*
* but it may make the values more human readable,
* for debugging purposes.
*/
- *tl++ = txdr_unsigned(boottime.tv_sec);
- *tl = txdr_unsigned(boottime.tv_usec);
+ *tl++ = txdr_unsigned(boottime_sec());
+ *tl = txdr_unsigned(0);
} else {
nfsm_build(fp, struct nfs_fattr *, NFSX_V2FATTR);
nfsm_srvfillattr(vap, fp);
}
- nfsm_srvdone;
+nfsmout:
+ if (uio_bufp != NULL) {
+ FREE(uio_bufp, M_TEMP);
+ }
+ return (error);
}
/*
nfsrv_writegather(ndp, slp, procp, mrq)
struct nfsrv_descript **ndp;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- register struct iovec *ivp;
- register struct mbuf *mp;
- register struct nfsrv_descript *wp, *nfsd, *owp, *swp;
- register struct nfs_fattr *fp;
- register int i;
- struct iovec *iov;
+ mbuf_t mp;
+ struct nfsrv_descript *wp, *nfsd, *owp, *swp;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ struct nfs_fattr *fp;
+ int i;
struct nfsrvw_delayhash *wpp;
- struct ucred *cred;
- struct vattr va, forat;
- register u_long *tl;
- register long t1;
- caddr_t bpos, dpos;
- int error = 0, rdonly, cache, len, forat_ret = 1;
- int ioflags, aftat_ret = 1, s, adjust, v3, zeroing;
+ kauth_cred_t cred;
+ struct vnode_attr va, forat;
+ u_long *tl;
+ long t1;
+ caddr_t bpos, dpos, tpos;
+ int error = 0, len, forat_ret = 1;
+ int ioflags, aftat_ret = 1, adjust, v3, zeroing, tlen;
char *cp2;
- struct mbuf *mb, *mb2, *mreq, *mrep, *md;
- struct vnode *vp;
- struct uio io, *uiop = &io;
- u_quad_t frev, cur_usec;
- int didhold;
+ mbuf_t mb, mb2, mreq, mrep, md;
+ vnode_t vp;
+ uio_t uiop = NULL;
+ char *uio_bufp = NULL;
+ u_quad_t cur_usec;
struct timeval now;
+ struct vfs_context context;
+
+ context.vc_proc = procp;
#ifndef nolint
i = 0;
len = 0;
#endif
+
*mrq = NULL;
if (*ndp) {
nfsd = *ndp;
mrep = nfsd->nd_mrep;
md = nfsd->nd_md;
dpos = nfsd->nd_dpos;
- cred = &nfsd->nd_cr;
+ cred = nfsd->nd_cr;
+ context.vc_ucred = cred;
v3 = (nfsd->nd_flag & ND_NFSV3);
LIST_INIT(&nfsd->nd_coalesce);
nfsd->nd_mreq = NULL;
* Now, get the write header..
*/
nfsm_srvmtofh(&nfsd->nd_fh);
+ /* XXX shouldn't we be checking for invalid FHs before doing any more work? */
if (v3) {
nfsm_dissect(tl, u_long *, 5 * NFSX_UNSIGNED);
fxdr_hyper(tl, &nfsd->nd_off);
while (mp) {
if (mp == md) {
zeroing = 0;
- adjust = dpos - mtod(mp, caddr_t);
- mp->m_len -= adjust;
- if (mp->m_len > 0 && adjust > 0)
- NFSMADV(mp, adjust);
+ tpos = mbuf_data(mp);
+ tlen = mbuf_len(mp);
+ adjust = dpos - tpos;
+ tlen -= adjust;
+ mbuf_setlen(mp, tlen);
+ if (tlen > 0 && adjust > 0) {
+ tpos += adjust;
+ if ((error = mbuf_setdata(mp, tpos, tlen)))
+ goto nfsmout;
+ }
}
if (zeroing)
- mp->m_len = 0;
+ mbuf_setlen(mp, 0);
else {
- i += mp->m_len;
+ tlen = mbuf_len(mp);
+ i += tlen;
if (i > len) {
- mp->m_len -= (i - len);
+ mbuf_setlen(mp, tlen - (i - len));
zeroing = 1;
}
}
- mp = mp->m_next;
+ mp = mbuf_next(mp);
}
if (len > NFS_MAXDATA || len < 0 || i < len) {
nfsmout:
- m_freem(mrep);
+ mbuf_freem(mrep);
+ mrep = NULL;
error = EIO;
nfsm_writereply(2 * NFSX_UNSIGNED, v3);
if (v3)
nfsm_srvwcc_data(forat_ret, &forat, aftat_ret, &va);
nfsd->nd_mreq = mreq;
nfsd->nd_mrep = NULL;
- nfsd->nd_time = 0;
+ nfsd->nd_time = 1;
}
/*
* Add this entry to the hash and time queues.
*/
- s = splsoftclock();
+ lck_mtx_lock(&slp->ns_wgmutex);
owp = NULL;
wp = slp->ns_tq.lh_first;
while (wp && wp->nd_time < nfsd->nd_time) {
owp = wp;
wp = wp->nd_tq.le_next;
}
- NFS_DPF(WG, ("Q%03x", nfsd->nd_retxid & 0xfff));
if (owp) {
LIST_INSERT_AFTER(owp, nfsd, nd_tq);
} else {
LIST_INSERT_HEAD(&slp->ns_tq, nfsd, nd_tq);
}
if (nfsd->nd_mrep) {
- wpp = NWDELAYHASH(slp, nfsd->nd_fh.fh_fid.fid_data);
+ wpp = NWDELAYHASH(slp, nfsd->nd_fh.nfh_fid);
owp = NULL;
wp = wpp->lh_first;
- while (wp &&
- bcmp((caddr_t)&nfsd->nd_fh,(caddr_t)&wp->nd_fh,NFSX_V3FH)) {
+ while (wp && !nfsrv_fhmatch(&nfsd->nd_fh, &wp->nd_fh)) {
owp = wp;
wp = wp->nd_hash.le_next;
}
- while (wp && wp->nd_off < nfsd->nd_off &&
- !bcmp((caddr_t)&nfsd->nd_fh,(caddr_t)&wp->nd_fh,NFSX_V3FH)) {
+ while (wp && (wp->nd_off < nfsd->nd_off) &&
+ nfsrv_fhmatch(&nfsd->nd_fh, &wp->nd_fh)) {
owp = wp;
wp = wp->nd_hash.le_next;
}
LIST_INSERT_HEAD(wpp, nfsd, nd_hash);
}
}
- splx(s);
+ } else {
+ lck_mtx_lock(&slp->ns_wgmutex);
}
/*
- * Now, do VOP_WRITE()s for any one(s) that need to be done now
+ * Now, do VNOP_WRITE()s for any one(s) that need to be done now
* and generate the associated reply mbuf list(s).
*/
loop1:
microuptime(&now);
cur_usec = (u_quad_t)now.tv_sec * 1000000 + (u_quad_t)now.tv_usec;
- s = splsoftclock();
for (nfsd = slp->ns_tq.lh_first; nfsd; nfsd = owp) {
owp = nfsd->nd_tq.le_next;
if (nfsd->nd_time > cur_usec)
break;
if (nfsd->nd_mreq)
continue;
- NFS_DPF(WG, ("P%03x", nfsd->nd_retxid & 0xfff));
LIST_REMOVE(nfsd, nd_tq);
LIST_REMOVE(nfsd, nd_hash);
- splx(s);
mrep = nfsd->nd_mrep;
nfsd->nd_mrep = NULL;
- cred = &nfsd->nd_cr;
v3 = (nfsd->nd_flag & ND_NFSV3);
forat_ret = aftat_ret = 1;
- error = nfsrv_fhtovp(&nfsd->nd_fh, 1, &vp, cred, slp,
- nfsd->nd_nam, &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE);
+ error = nfsrv_fhtovp(&nfsd->nd_fh, nfsd->nd_nam, TRUE, &vp, &nx, &nxo);
+ if (!error) {
+ error = nfsrv_credcheck(nfsd, nx, nxo);
+ if (error)
+ vnode_put(vp);
+ }
+ cred = nfsd->nd_cr;
+ context.vc_ucred = cred;
if (!error) {
- if (v3)
- forat_ret = VOP_GETATTR(vp, &forat, cred, procp);
- if (vp->v_type != VREG) {
+ if (v3) {
+ nfsm_srv_pre_vattr_init(&forat, v3);
+ forat_ret = vnode_getattr(vp, &forat, &context);
+ }
+ if (vnode_vtype(vp) != VREG) {
if (v3)
error = EINVAL;
else
- error = (vp->v_type == VDIR) ? EISDIR : EACCES;
+ error = (vnode_vtype(vp) == VDIR) ? EISDIR : EACCES;
}
} else
vp = NULL;
if (!error) {
- nqsrv_getl(vp, ND_WRITE);
- error = nfsrv_access(vp, VWRITE, cred, rdonly, procp, 1);
+ error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_WRITE_DATA, &context, nxo, 1);
}
if (nfsd->nd_stable == NFSV3WRITE_UNSTABLE)
ioflags = (IO_SYNC | IO_NODELOCKED);
else
ioflags = (IO_METASYNC | IO_SYNC | IO_NODELOCKED);
- uiop->uio_rw = UIO_WRITE;
- uiop->uio_segflg = UIO_SYSSPACE;
- uiop->uio_procp = (struct proc *)0;
- uiop->uio_offset = nfsd->nd_off;
- uiop->uio_resid = nfsd->nd_eoff - nfsd->nd_off;
- didhold = 0;
- if (uiop->uio_resid > 0) {
+
+ if (!error && ((nfsd->nd_eoff - nfsd->nd_off) > 0)) {
mp = mrep;
i = 0;
while (mp) {
- if (mp->m_len > 0)
+ if (mbuf_len(mp) > 0)
i++;
- mp = mp->m_next;
+ mp = mbuf_next(mp);
}
- uiop->uio_iovcnt = i;
- MALLOC(iov, struct iovec *, i * sizeof (struct iovec),
- M_TEMP, M_WAITOK);
- uiop->uio_iov = ivp = iov;
- mp = mrep;
- while (mp) {
- if (mp->m_len > 0) {
- ivp->iov_base = mtod(mp, caddr_t);
- ivp->iov_len = mp->m_len;
- ivp++;
+
+ MALLOC(uio_bufp, char *, UIO_SIZEOF(i), M_TEMP, M_WAITOK);
+ if (uio_bufp)
+ uiop = uio_createwithbuffer(i, nfsd->nd_off, UIO_SYSSPACE,
+ UIO_WRITE, uio_bufp, UIO_SIZEOF(i));
+ if (!uio_bufp || !uiop)
+ error = ENOMEM;
+ if (!error) {
+ mp = mrep;
+ while (mp) {
+ if ((tlen = mbuf_len(mp)) > 0)
+ uio_addiov(uiop, CAST_USER_ADDR_T((caddr_t)mbuf_data(mp)), tlen);
+ mp = mbuf_next(mp);
}
- mp = mp->m_next;
+ error = VNOP_WRITE(vp, uiop, ioflags, &context);
+ OSAddAtomic(1, (SInt32*)&nfsstats.srvvop_writes);
}
- if (!error) {
- didhold = ubc_hold(vp);
- error = VOP_WRITE(vp, uiop, ioflags, cred);
- nfsstats.srvvop_writes++;
+ if (uio_bufp) {
+ FREE(uio_bufp, M_TEMP);
+ uio_bufp = NULL;
}
- FREE((caddr_t)iov, M_TEMP);
}
- m_freem(mrep);
+ mbuf_freem(mrep);
+ mrep = NULL;
if (vp) {
- aftat_ret = VOP_GETATTR(vp, &va, cred, procp);
- VOP_UNLOCK(vp, 0, procp);
- if (didhold)
- ubc_rele(vp);
- vrele(vp);
+ nfsm_srv_pre_vattr_init(&va, v3);
+ aftat_ret = vnode_getattr(vp, &va, &context);
+ vnode_put(vp);
}
/*
*/
swp = nfsd;
do {
- NFS_DPF(WG, ("R%03x", nfsd->nd_retxid & 0xfff));
if (error) {
nfsm_writereply(NFSX_WCCDATA(v3), v3);
if (v3) {
* but it may make the values more human readable,
* for debugging purposes.
*/
- *tl++ = txdr_unsigned(boottime.tv_sec);
- *tl = txdr_unsigned(boottime.tv_usec);
+ *tl++ = txdr_unsigned(boottime_sec());
+ *tl = txdr_unsigned(0);
} else {
nfsm_build(fp, struct nfs_fattr *, NFSX_V2FATTR);
nfsm_srvfillattr(&va, fp);
* Done. Put it at the head of the timer queue so that
* the final phase can return the reply.
*/
- s = splsoftclock();
if (nfsd != swp) {
- nfsd->nd_time = 0;
+ nfsd->nd_time = 1;
LIST_INSERT_HEAD(&slp->ns_tq, nfsd, nd_tq);
}
nfsd = swp->nd_coalesce.lh_first;
if (nfsd) {
LIST_REMOVE(nfsd, nd_tq);
}
- splx(s);
} while (nfsd);
- s = splsoftclock();
- swp->nd_time = 0;
+ swp->nd_time = 1;
LIST_INSERT_HEAD(&slp->ns_tq, swp, nd_tq);
- splx(s);
goto loop1;
}
- splx(s);
/*
* Search for a reply to return.
*/
- s = splsoftclock();
for (nfsd = slp->ns_tq.lh_first; nfsd; nfsd = nfsd->nd_tq.le_next)
if (nfsd->nd_mreq) {
- NFS_DPF(WG, ("X%03x", nfsd->nd_retxid & 0xfff));
LIST_REMOVE(nfsd, nd_tq);
*mrq = nfsd->nd_mreq;
*ndp = nfsd;
break;
}
- splx(s);
+ slp->ns_wgtime = slp->ns_tq.lh_first ? slp->ns_tq.lh_first->nd_time : 0;
+ lck_mtx_unlock(&slp->ns_wgmutex);
return (0);
}
* - merge nfsd->nd_mrep into owp->nd_mrep
* - update the nd_eoff and nd_stable for owp
* - put nfsd on owp's nd_coalesce list
- * NB: Must be called at splsoftclock().
*/
static void
-nfsrvw_coalesce(owp, nfsd)
- register struct nfsrv_descript *owp;
- register struct nfsrv_descript *nfsd;
+nfsrvw_coalesce(
+ struct nfsrv_descript *owp,
+ struct nfsrv_descript *nfsd)
{
- register int overlap;
- register struct mbuf *mp;
+ int overlap, error;
+ mbuf_t mp, mpnext;
struct nfsrv_descript *p;
- NFS_DPF(WG, ("C%03x-%03x",
- nfsd->nd_retxid & 0xfff, owp->nd_retxid & 0xfff));
LIST_REMOVE(nfsd, nd_hash);
LIST_REMOVE(nfsd, nd_tq);
if (owp->nd_eoff < nfsd->nd_eoff) {
if (overlap < 0)
panic("nfsrv_coalesce: bad off");
if (overlap > 0)
- m_adj(nfsd->nd_mrep, overlap);
+ mbuf_adj(nfsd->nd_mrep, overlap);
mp = owp->nd_mrep;
- while (mp->m_next)
- mp = mp->m_next;
- mp->m_next = nfsd->nd_mrep;
+ while ((mpnext = mbuf_next(mp)))
+ mp = mpnext;
+ error = mbuf_setnext(mp, nfsd->nd_mrep);
+ if (error)
+ panic("nfsrvw_coalesce: mbuf_setnext failed: %d", error);
owp->nd_eoff = nfsd->nd_eoff;
- } else
- m_freem(nfsd->nd_mrep);
+ } else {
+ mbuf_freem(nfsd->nd_mrep);
+ }
nfsd->nd_mrep = NULL;
if (nfsd->nd_stable == NFSV3WRITE_FILESYNC)
owp->nd_stable = NFSV3WRITE_FILESYNC;
* Sort the group list in increasing numerical order.
* (Insertion sort by Chris Torek, who was grossed out by the bubble sort
* that used to be here.)
+ *
+ * XXX ILLEGAL
*/
void
nfsrvw_sort(list, num)
- register gid_t *list;
- register int num;
+ gid_t *list;
+ int num;
{
- register int i, j;
+ int i, j;
gid_t v;
/* Insertion sort. */
/*
* copy credentials making sure that the result can be compared with bcmp().
+ *
+ * XXX ILLEGAL
*/
void
-nfsrv_setcred(incred, outcred)
- register struct ucred *incred, *outcred;
+nfsrv_setcred(kauth_cred_t incred, kauth_cred_t outcred)
{
- register int i;
+ int i;
- bzero((caddr_t)outcred, sizeof (struct ucred));
+ bzero((caddr_t)outcred, sizeof (*outcred));
outcred->cr_ref = 1;
- outcred->cr_uid = incred->cr_uid;
+ outcred->cr_uid = kauth_cred_getuid(incred);
outcred->cr_ngroups = incred->cr_ngroups;
for (i = 0; i < incred->cr_ngroups; i++)
outcred->cr_groups[i] = incred->cr_groups[i];
nfsrv_create(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- register struct nfs_fattr *fp;
- struct vattr va, dirfor, diraft;
- register struct vattr *vap = &va;
- register struct nfsv2_sattr *sp;
- register u_long *tl;
+ struct nfs_fattr *fp;
+ struct vnode_attr dirfor, diraft, postat;
+ struct vnode_attr va;
+ struct vnode_attr *vap = &va;
+ struct nfsv2_sattr *sp;
+ u_long *tl;
struct nameidata nd;
- register caddr_t cp;
- register long t1;
+ caddr_t cp;
+ long t1;
caddr_t bpos;
- int error = 0, rdev, cache, len, tsize, dirfor_ret = 1, diraft_ret = 1;
+ int error = 0, rdev, len, tsize, dirfor_ret = 1, diraft_ret = 1;
int v3 = (nfsd->nd_flag & ND_NFSV3), how, exclusive_flag = 0;
char *cp2;
- struct mbuf *mb, *mb2, *mreq;
- struct vnode *vp, *dirp = (struct vnode *)0;
- nfsfh_t nfh;
- fhandle_t *fhp;
- u_quad_t frev, tempsize;
+ mbuf_t mb, mb2, mreq;
+ vnode_t vp, dvp, dirp = NULL;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ u_quad_t tempsize;
u_char cverf[NFSX_V3CREATEVERF];
+ struct vfs_context context;
+ uid_t saved_uid;
+
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ /*
+ * Save the original credential UID in case they are
+ * mapped and we need to map the IDs in the attributes.
+ */
+ saved_uid = kauth_cred_getuid(nfsd->nd_cr);
#ifndef nolint
rdev = 0;
#endif
nd.ni_cnd.cn_nameiop = 0;
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
- nfsm_srvnamesiz(len);
- nd.ni_cnd.cn_cred = cred;
+ vp = dvp = NULL;
+ nfsm_srvmtofh(&nfh);
+ nfsm_srvnamesiz(len, v3);
+
nd.ni_cnd.cn_nameiop = CREATE;
- nd.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF | SAVESTART;
- error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos,
- &dirp, procp, (nfsd->nd_flag & ND_KERBAUTH), FALSE);
+ nd.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF;
+ error = nfsm_path_mbuftond(&md, &dpos, v3, FALSE, &len, &nd);
+ if (!error)
+ error = nfs_namei(nfsd, &context, &nd, &nfh, nam, FALSE, &dirp, &nx, &nxo);
if (dirp) {
- if (v3)
- dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred,
- procp);
- else {
- vrele(dirp);
- dirp = (struct vnode *)0;
+ if (v3) {
+ nfsm_srv_pre_vattr_init(&dirfor, v3);
+ dirfor_ret = vnode_getattr(dirp, &dirfor, &context);
+ } else {
+ vnode_put(dirp);
+ dirp = NULL;
}
}
if (error) {
+ nd.ni_cnd.cn_nameiop = 0;
nfsm_reply(NFSX_WCCDATA(v3));
nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
if (dirp)
- vrele(dirp);
+ vnode_put(dirp);
return (0);
}
- VATTR_NULL(vap);
+ dvp = nd.ni_dvp;
+ vp = nd.ni_vp;
+
+ VATTR_INIT(vap);
+
if (v3) {
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED);
how = fxdr_unsigned(int, *tl);
switch (how) {
case NFSV3CREATE_GUARDED:
- if (nd.ni_vp) {
+ if (vp) {
error = EEXIST;
break;
}
nfsm_dissect(cp, caddr_t, NFSX_V3CREATEVERF);
bcopy(cp, cverf, NFSX_V3CREATEVERF);
exclusive_flag = 1;
- if (nd.ni_vp == NULL)
- vap->va_mode = 0;
+ if (vp == NULL)
+ VATTR_SET(vap, va_mode, 0);
break;
};
- vap->va_type = VREG;
+ VATTR_SET(vap, va_type, VREG);
} else {
+ enum vtype v_type;
+
nfsm_dissect(sp, struct nfsv2_sattr *, NFSX_V2SATTR);
- vap->va_type = IFTOVT(fxdr_unsigned(u_long, sp->sa_mode));
- if (vap->va_type == VNON)
- vap->va_type = VREG;
- vap->va_mode = nfstov_mode(sp->sa_mode);
- switch (vap->va_type) {
+ v_type = IFTOVT(fxdr_unsigned(u_long, sp->sa_mode));
+ if (v_type == VNON)
+ v_type = VREG;
+ VATTR_SET(vap, va_type, v_type);
+ VATTR_SET(vap, va_mode, nfstov_mode(sp->sa_mode));
+
+ switch (v_type) {
case VREG:
tsize = fxdr_unsigned(long, sp->sa_size);
if (tsize != -1)
- vap->va_size = (u_quad_t)tsize;
+ VATTR_SET(vap, va_data_size, (u_quad_t)tsize);
break;
case VCHR:
case VBLK:
case VFIFO:
rdev = fxdr_unsigned(long, sp->sa_size);
break;
+ default:
+ break;
};
}
/*
- * Iff doesn't exist, create it
+ * If it doesn't exist, create it
* otherwise just truncate to 0 length
* should I set the mode too ??
*/
- if (nd.ni_vp == NULL) {
+ if (vp == NULL) {
+ kauth_acl_t xacl = NULL;
+
+ /*
+ * If the credentials were mapped, we should
+ * map the same values in the attributes.
+ */
+ if ((vap->va_uid == saved_uid) && (kauth_cred_getuid(nfsd->nd_cr) != saved_uid)) {
+ int ismember;
+ VATTR_SET(vap, va_uid, kauth_cred_getuid(nfsd->nd_cr));
+ if (kauth_cred_ismember_gid(nfsd->nd_cr, vap->va_gid, &ismember) || !ismember)
+ VATTR_SET(vap, va_gid, kauth_cred_getgid(nfsd->nd_cr));
+ }
+
+ /* authorize before creating */
+ error = nfsrv_authorize(dvp, NULL, KAUTH_VNODE_ADD_FILE, &context, nxo, 0);
+
+ /* construct ACL and handle inheritance */
+ if (!error) {
+ error = kauth_acl_inherit(dvp,
+ NULL,
+ &xacl,
+ 0 /* !isdir */,
+ &context);
+
+ if (!error && xacl != NULL)
+ VATTR_SET(vap, va_acl, xacl);
+ }
+ VATTR_CLEAR_ACTIVE(vap, va_data_size);
+ VATTR_CLEAR_ACTIVE(vap, va_access_time);
+
+ /* validate new-file security information */
+ if (!error) {
+ error = vnode_authattr_new(dvp, vap, 0, &context);
+ if (error && (VATTR_IS_ACTIVE(vap, va_uid) || VATTR_IS_ACTIVE(vap, va_gid))) {
+ /*
+ * Most NFS servers just ignore the UID/GID attributes, so we
+ * try ignoring them if that'll help the request succeed.
+ */
+ VATTR_CLEAR_ACTIVE(vap, va_uid);
+ VATTR_CLEAR_ACTIVE(vap, va_gid);
+ error = vnode_authattr_new(dvp, vap, 0, &context);
+ }
+ }
+
if (vap->va_type == VREG || vap->va_type == VSOCK) {
- vrele(nd.ni_startdir);
- nqsrv_getl(nd.ni_dvp, ND_WRITE);
- error = VOP_CREATE(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap);
+
+ if (!error)
+ error = VNOP_CREATE(dvp, &vp, &nd.ni_cnd, vap, &context);
+
+ 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, &context);
+
+ if (xacl != NULL)
+ kauth_acl_free(xacl);
+
if (!error) {
- nfsrv_object_create(nd.ni_vp);
- FREE_ZONE(nd.ni_cnd.cn_pnbuf,
- nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
if (exclusive_flag) {
exclusive_flag = 0;
- VATTR_NULL(vap);
- bcopy(cverf, (caddr_t)&vap->va_atime,
+ VATTR_INIT(vap);
+ bcopy(cverf, (caddr_t)&vap->va_access_time,
NFSX_V3CREATEVERF);
- error = VOP_SETATTR(nd.ni_vp, vap, cred,
- procp);
+ VATTR_SET_ACTIVE(vap, va_access_time);
+ // skip authorization, as this is an
+ // NFS internal implementation detail.
+ error = vnode_setattr(vp, vap, &context);
}
}
+
} else if (vap->va_type == VCHR || vap->va_type == VBLK ||
vap->va_type == VFIFO) {
- if (vap->va_type == VCHR && rdev == 0xffffffff)
- vap->va_type = VFIFO;
+ if (vap->va_type == VCHR && rdev == (int)0xffffffff)
+ VATTR_SET(vap, va_type, VFIFO);
if (vap->va_type != VFIFO &&
- (error = suser(cred, (u_short *)0))) {
- vrele(nd.ni_startdir);
- FREE_ZONE(nd.ni_cnd.cn_pnbuf,
- nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- vput(nd.ni_dvp);
+ (error = suser(nfsd->nd_cr, (u_short *)0))) {
nfsm_reply(0);
- return (error);
} else
- vap->va_rdev = (dev_t)rdev;
- nqsrv_getl(nd.ni_dvp, ND_WRITE);
- if ((error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap))) {
- vrele(nd.ni_startdir);
+ VATTR_SET(vap, va_rdev, (dev_t)rdev);
+
+ error = VNOP_MKNOD(dvp, &vp, &nd.ni_cnd, vap, &context);
+
+ if (xacl != NULL)
+ kauth_acl_free(xacl);
+
+ if (error) {
nfsm_reply(0);
}
+ if (vp) {
+ vnode_recycle(vp);
+ vnode_put(vp);
+ vp = NULL;
+ }
nd.ni_cnd.cn_nameiop = LOOKUP;
- nd.ni_cnd.cn_flags &= ~(LOCKPARENT | SAVESTART);
- nd.ni_cnd.cn_proc = procp;
- nd.ni_cnd.cn_cred = cred;
- if ((error = lookup(&nd))) {
- FREE_ZONE(nd.ni_cnd.cn_pnbuf,
- nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
- nfsm_reply(0);
+ nd.ni_cnd.cn_flags &= ~LOCKPARENT;
+ nd.ni_cnd.cn_context = &context;
+ nd.ni_startdir = dvp;
+ nd.ni_usedvp = dvp;
+ error = lookup(&nd);
+ if (!error) {
+ if (nd.ni_cnd.cn_flags & ISSYMLINK)
+ error = EINVAL;
}
- nfsrv_object_create(nd.ni_vp);
- FREE_ZONE(nd.ni_cnd.cn_pnbuf,
- nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
- if (nd.ni_cnd.cn_flags & ISSYMLINK) {
- vrele(nd.ni_dvp);
- vput(nd.ni_vp);
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- error = EINVAL;
+ if (error)
nfsm_reply(0);
- }
} else {
- vrele(nd.ni_startdir);
- FREE_ZONE(nd.ni_cnd.cn_pnbuf,
- nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- vput(nd.ni_dvp);
error = ENXIO;
}
- vp = nd.ni_vp;
+ /*
+ * nameidone has to happen before we vnode_put(dvp)
+ * since it may need to release the fs_nodelock on the dvp
+ */
+ nameidone(&nd);
+ nd.ni_cnd.cn_nameiop = 0;
+
+ vnode_put(dvp);
} else {
- vrele(nd.ni_startdir);
- FREE_ZONE(nd.ni_cnd.cn_pnbuf, nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
- vp = nd.ni_vp;
- if (nd.ni_dvp == vp)
- vrele(nd.ni_dvp);
- else
- vput(nd.ni_dvp);
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- if (vap->va_size != -1) {
- error = nfsrv_access(vp, VWRITE, cred,
- (nd.ni_cnd.cn_flags & RDONLY), procp, 0);
+ /*
+ * nameidone has to happen before we vnode_put(dvp)
+ * since it may need to release the fs_nodelock on the dvp
+ */
+ nameidone(&nd);
+ nd.ni_cnd.cn_nameiop = 0;
+
+ vnode_put(dvp);
+
+ if (!error && VATTR_IS_ACTIVE(vap, va_data_size)) {
+ error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_WRITE_DATA,
+ &context, nxo, 0);
if (!error) {
- nqsrv_getl(vp, ND_WRITE);
- tempsize = vap->va_size;
- VATTR_NULL(vap);
- vap->va_size = tempsize;
- error = VOP_SETATTR(vp, vap, cred,
- procp);
+ tempsize = vap->va_data_size;
+ VATTR_INIT(vap);
+ VATTR_SET(vap, va_data_size, tempsize);
+ error = vnode_setattr(vp, vap, &context);
}
- if (error)
- vput(vp);
- } else {
- if (error)
- vput(vp); /* make sure we catch the EEXIST for nfsv3 */
}
}
if (!error) {
- bzero((caddr_t)fhp, sizeof(nfh));
- fhp->fh_fsid = vp->v_mount->mnt_stat.f_fsid;
- error = VFS_VPTOFH(vp, &fhp->fh_fid);
- if (!error)
- error = VOP_GETATTR(vp, vap, cred, procp);
- vput(vp);
+ error = nfsrv_vptofh(nx, !v3, NULL, vp, &context, &nfh);
+ if (!error) {
+ nfsm_srv_vattr_init(&postat, v3);
+ error = vnode_getattr(vp, &postat, &context);
+ }
}
+ if (vp)
+ vnode_put(vp);
+
if (v3) {
if (exclusive_flag && !error &&
- bcmp(cverf, (caddr_t)&vap->va_atime, NFSX_V3CREATEVERF))
+ bcmp(cverf, (caddr_t)&postat.va_access_time, NFSX_V3CREATEVERF))
error = EEXIST;
- diraft_ret = VOP_GETATTR(dirp, &diraft, cred, procp);
- vrele(dirp);
+ nfsm_srv_vattr_init(&diraft, v3);
+ diraft_ret = vnode_getattr(dirp, &diraft, &context);
+ vnode_put(dirp);
+ dirp = NULL;
}
- nfsm_reply(NFSX_SRVFH(v3) + NFSX_FATTR(v3) + NFSX_WCCDATA(v3));
+ nfsm_reply(NFSX_SRVFH(v3, &nfh) + NFSX_FATTR(v3) + NFSX_WCCDATA(v3));
+
if (v3) {
if (!error) {
- nfsm_srvpostop_fh(fhp);
- nfsm_srvpostop_attr(0, vap);
+ nfsm_srvpostop_fh(&nfh);
+ nfsm_srvpostop_attr(0, &postat);
}
nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
} else {
- nfsm_srvfhtom(fhp, v3);
+ nfsm_srvfhtom(&nfh, v3);
nfsm_build(fp, struct nfs_fattr *, NFSX_V2FATTR);
- nfsm_srvfillattr(vap, fp);
+ nfsm_srvfillattr(&postat, fp);
}
return (0);
nfsmout:
- if (dirp)
- vrele(dirp);
if (nd.ni_cnd.cn_nameiop) {
- vrele(nd.ni_startdir);
- FREE_ZONE((caddr_t)nd.ni_cnd.cn_pnbuf,
- nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
- }
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- if (nd.ni_dvp == nd.ni_vp)
- vrele(nd.ni_dvp);
- else
- vput(nd.ni_dvp);
- if (nd.ni_vp)
- vput(nd.ni_vp);
+ /*
+ * nameidone has to happen before we vnode_put(dvp)
+ * since it may need to release the fs_nodelock on the dvp
+ */
+ nameidone(&nd);
+
+ if (vp)
+ vnode_put(vp);
+ vnode_put(dvp);
+ }
+ if (dirp)
+ vnode_put(dirp);
return (error);
}
nfsrv_mknod(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- struct vattr va, dirfor, diraft;
- register struct vattr *vap = &va;
- register u_long *tl;
+ struct vnode_attr dirfor, diraft, postat;
+ struct vnode_attr va;
+ struct vnode_attr *vap = &va;
+ u_long *tl;
struct nameidata nd;
- register long t1;
+ long t1;
caddr_t bpos;
- int error = 0, cache, len, dirfor_ret = 1, diraft_ret = 1;
+ int error = 0, len, dirfor_ret = 1, diraft_ret = 1;
u_long major, minor;
enum vtype vtyp;
char *cp2;
- struct mbuf *mb, *mb2, *mreq;
- struct vnode *vp, *dirp = (struct vnode *)0;
- nfsfh_t nfh;
- fhandle_t *fhp;
- u_quad_t frev;
+ mbuf_t mb, mb2, mreq;
+ vnode_t vp, dvp, dirp = NULL;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ struct vfs_context hacked_context; /* XXX should we have this? */
+ struct vfs_context context;
+ uid_t saved_uid;
+ kauth_acl_t xacl = NULL;
+
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+ hacked_context.vc_proc = procp;
+ hacked_context.vc_ucred = proc_ucred(procp);
+ /*
+ * Save the original credential UID in case they are
+ * mapped and we need to map the IDs in the attributes.
+ */
+ saved_uid = kauth_cred_getuid(nfsd->nd_cr);
+
+ vp = dvp = NULL;
nd.ni_cnd.cn_nameiop = 0;
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
- nfsm_srvnamesiz(len);
- nd.ni_cnd.cn_cred = cred;
+ nfsm_srvmtofh(&nfh);
+ nfsm_srvnamesiz(len, 1);
+
nd.ni_cnd.cn_nameiop = CREATE;
- nd.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF | SAVESTART;
- error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos,
- &dirp, procp, (nfsd->nd_flag & ND_KERBAUTH), FALSE);
- if (dirp)
- dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred, procp);
+ nd.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF;
+ error = nfsm_path_mbuftond(&md, &dpos, 1, FALSE, &len, &nd);
+ if (!error)
+ error = nfs_namei(nfsd, &context, &nd, &nfh, nam, FALSE, &dirp, &nx, &nxo);
+ if (dirp) {
+ nfsm_srv_pre_vattr_init(&dirfor, 1);
+ dirfor_ret = vnode_getattr(dirp, &dirfor, &context);
+ }
if (error) {
+ nd.ni_cnd.cn_nameiop = 0;
nfsm_reply(NFSX_WCCDATA(1));
nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
if (dirp)
- vrele(dirp);
+ vnode_put(dirp);
return (0);
}
+ dvp = nd.ni_dvp;
+ vp = nd.ni_vp;
+
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED);
vtyp = nfsv3tov_type(*tl);
if (vtyp != VCHR && vtyp != VBLK && vtyp != VSOCK && vtyp != VFIFO) {
- vrele(nd.ni_startdir);
- FREE_ZONE((caddr_t)nd.ni_cnd.cn_pnbuf,
- nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
error = NFSERR_BADTYPE;
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- vput(nd.ni_dvp);
goto out;
}
- VATTR_NULL(vap);
+ VATTR_INIT(vap);
nfsm_srvsattr(vap);
+
if (vtyp == VCHR || vtyp == VBLK) {
nfsm_dissect(tl, u_long *, 2 * NFSX_UNSIGNED);
major = fxdr_unsigned(u_long, *tl++);
minor = fxdr_unsigned(u_long, *tl);
- vap->va_rdev = makedev(major, minor);
+ VATTR_SET(vap, va_rdev, makedev(major, minor));
}
/*
- * Iff doesn't exist, create it.
+ * If it doesn't exist, create it.
*/
- if (nd.ni_vp) {
- vrele(nd.ni_startdir);
- FREE_ZONE((caddr_t)nd.ni_cnd.cn_pnbuf,
- nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
+ if (vp) {
error = EEXIST;
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- vput(nd.ni_dvp);
goto out;
}
- vap->va_type = vtyp;
+ VATTR_SET(vap, va_type, vtyp);
+
+ /*
+ * If the credentials were mapped, we should
+ * map the same values in the attributes.
+ */
+ if ((vap->va_uid == saved_uid) && (kauth_cred_getuid(nfsd->nd_cr) != saved_uid)) {
+ int ismember;
+ VATTR_SET(vap, va_uid, kauth_cred_getuid(nfsd->nd_cr));
+ if (kauth_cred_ismember_gid(nfsd->nd_cr, vap->va_gid, &ismember) || !ismember)
+ VATTR_SET(vap, va_gid, kauth_cred_getgid(nfsd->nd_cr));
+ }
+
+ /* authorize before creating */
+ error = nfsrv_authorize(dvp, NULL, KAUTH_VNODE_ADD_FILE, &context, nxo, 0);
+
+ /* construct ACL and handle inheritance */
+ if (!error) {
+ error = kauth_acl_inherit(dvp,
+ NULL,
+ &xacl,
+ 0 /* !isdir */,
+ &context);
+
+ if (!error && xacl != NULL)
+ VATTR_SET(vap, va_acl, xacl);
+ }
+ VATTR_CLEAR_ACTIVE(vap, va_data_size);
+ VATTR_CLEAR_ACTIVE(vap, va_access_time);
+
+ /* validate new-file security information */
+ if (!error) {
+ error = vnode_authattr_new(dvp, vap, 0, &context);
+ if (error && (VATTR_IS_ACTIVE(vap, va_uid) || VATTR_IS_ACTIVE(vap, va_gid))) {
+ /*
+ * Most NFS servers just ignore the UID/GID attributes, so we
+ * try ignoring them if that'll help the request succeed.
+ */
+ VATTR_CLEAR_ACTIVE(vap, va_uid);
+ VATTR_CLEAR_ACTIVE(vap, va_gid);
+ error = vnode_authattr_new(dvp, vap, 0, &context);
+ }
+ }
+
if (vtyp == VSOCK) {
- vrele(nd.ni_startdir);
- nqsrv_getl(nd.ni_dvp, ND_WRITE);
- error = VOP_CREATE(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap);
- if (!error)
- FREE_ZONE(nd.ni_cnd.cn_pnbuf,
- nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
+ error = VNOP_CREATE(dvp, &vp, &nd.ni_cnd, vap, &context);
+
+ 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, &context);
} else {
- if (vtyp != VFIFO && (error = suser(cred, (u_short *)0))) {
- vrele(nd.ni_startdir);
- FREE_ZONE((caddr_t)nd.ni_cnd.cn_pnbuf,
- nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- vput(nd.ni_dvp);
- goto out;
+ if (vtyp != VFIFO && (error = suser(nfsd->nd_cr, (u_short *)0))) {
+ goto out1;
}
- nqsrv_getl(nd.ni_dvp, ND_WRITE);
- if ((error = VOP_MKNOD(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap))) {
- vrele(nd.ni_startdir);
- goto out;
+ if ((error = VNOP_MKNOD(dvp, &vp, &nd.ni_cnd, vap, &context))) {
+ goto out1;
+ }
+ if (vp) {
+ vnode_recycle(vp);
+ vnode_put(vp);
+ vp = NULL;
}
nd.ni_cnd.cn_nameiop = LOOKUP;
- nd.ni_cnd.cn_flags &= ~(LOCKPARENT | SAVESTART);
- nd.ni_cnd.cn_proc = procp;
- nd.ni_cnd.cn_cred = procp->p_ucred;
+ nd.ni_cnd.cn_flags &= ~LOCKPARENT;
+ nd.ni_cnd.cn_context = &hacked_context;
+ nd.ni_startdir = dvp;
+ nd.ni_usedvp = dvp;
error = lookup(&nd);
- FREE_ZONE(nd.ni_cnd.cn_pnbuf, nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
- if (error)
- goto out;
- if (nd.ni_cnd.cn_flags & ISSYMLINK) {
- vrele(nd.ni_dvp);
- vput(nd.ni_vp);
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- error = EINVAL;
+ if (!error) {
+ vp = nd.ni_vp;
+ if (nd.ni_cnd.cn_flags & ISSYMLINK)
+ error = EINVAL;
}
}
+out1:
+ if (xacl != NULL)
+ kauth_acl_free(xacl);
out:
- vp = nd.ni_vp;
+ /*
+ * nameidone has to happen before we vnode_put(dvp)
+ * since it may need to release the fs_nodelock on the dvp
+ */
+ nameidone(&nd);
+ nd.ni_cnd.cn_nameiop = 0;
+
+ vnode_put(dvp);
+
if (!error) {
- bzero((caddr_t)fhp, sizeof(nfh));
- fhp->fh_fsid = vp->v_mount->mnt_stat.f_fsid;
- error = VFS_VPTOFH(vp, &fhp->fh_fid);
- if (!error)
- error = VOP_GETATTR(vp, vap, cred, procp);
- vput(vp);
+ error = nfsrv_vptofh(nx, 0, NULL, vp, &context, &nfh);
+ if (!error) {
+ nfsm_srv_vattr_init(&postat, 1);
+ error = vnode_getattr(vp, &postat, &context);
+ }
}
- diraft_ret = VOP_GETATTR(dirp, &diraft, cred, procp);
- vrele(dirp);
- nfsm_reply(NFSX_SRVFH(1) + NFSX_POSTOPATTR(1) + NFSX_WCCDATA(1));
+ if (vp)
+ vnode_put(vp);
+
+ nfsm_srv_vattr_init(&diraft, 1);
+ diraft_ret = vnode_getattr(dirp, &diraft, &context);
+ vnode_put(dirp);
+ dirp = NULL;
+
+ nfsm_reply(NFSX_SRVFH(1, &nfh) + NFSX_POSTOPATTR(1) + NFSX_WCCDATA(1));
if (!error) {
- nfsm_srvpostop_fh(fhp);
- nfsm_srvpostop_attr(0, vap);
+ nfsm_srvpostop_fh(&nfh);
+ nfsm_srvpostop_attr(0, &postat);
}
nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
return (0);
nfsmout:
- if (dirp)
- vrele(dirp);
if (nd.ni_cnd.cn_nameiop) {
- vrele(nd.ni_startdir);
- FREE_ZONE((caddr_t)nd.ni_cnd.cn_pnbuf,
- nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
- }
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- if (nd.ni_dvp == nd.ni_vp)
- vrele(nd.ni_dvp);
- else
- vput(nd.ni_dvp);
- if (nd.ni_vp)
- vput(nd.ni_vp);
+ /*
+ * nameidone has to happen before we vnode_put(dvp)
+ * since it may need to release the fs_nodelock on the dvp
+ */
+ nameidone(&nd);
+
+ if (vp)
+ vnode_put(vp);
+ vnode_put(dvp);
+ }
+ if (dirp)
+ vnode_put(dirp);
return (error);
}
nfsrv_remove(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
struct nameidata nd;
- register u_long *tl;
- register long t1;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- int error = 0, cache, len, dirfor_ret = 1, diraft_ret = 1;
+ int error = 0, len, dirfor_ret = 1, diraft_ret = 1;
int v3 = (nfsd->nd_flag & ND_NFSV3);
char *cp2;
- struct mbuf *mb, *mreq;
- struct vnode *vp, *dirp;
- struct vattr dirfor, diraft;
- nfsfh_t nfh;
- fhandle_t *fhp;
- u_quad_t frev;
+ mbuf_t mb, mreq;
+ vnode_t vp, dvp, dirp = NULL;
+ struct vnode_attr dirfor, diraft;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ struct vfs_context context;
+
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ dvp = vp = NULL;
+ nfsm_srvmtofh(&nfh);
+ nfsm_srvnamesiz(len, v3);
-#ifndef nolint
- vp = (struct vnode *)0;
-#endif
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
- nfsm_srvnamesiz(len);
- nd.ni_cnd.cn_cred = cred;
nd.ni_cnd.cn_nameiop = DELETE;
nd.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF;
- error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos,
- &dirp, procp, (nfsd->nd_flag & ND_KERBAUTH), FALSE);
+ error = nfsm_path_mbuftond(&md, &dpos, v3, FALSE, &len, &nd);
+ if (!error)
+ error = nfs_namei(nfsd, &context, &nd, &nfh, nam, FALSE, &dirp, &nx, &nxo);
if (dirp) {
- if (v3)
- dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred,
- procp);
- else
- vrele(dirp);
+ if (v3) {
+ nfsm_srv_pre_vattr_init(&dirfor, v3);
+ dirfor_ret = vnode_getattr(dirp, &dirfor, &context);
+ } else {
+ vnode_put(dirp);
+ dirp = NULL;
+ }
}
if (!error) {
+ dvp = nd.ni_dvp;
vp = nd.ni_vp;
- if (vp->v_type == VDIR) {
+
+ if (vnode_vtype(vp) == VDIR)
error = EPERM; /* POSIX */
- goto out;
- }
- /*
- * The root of a mounted filesystem cannot be deleted.
- */
- if (vp->v_flag & VROOT) {
+ else if (vnode_isvroot(vp))
+ /*
+ * The root of a mounted filesystem cannot be deleted.
+ */
error = EBUSY;
- goto out;
- }
-out:
- if (!error) {
- nqsrv_getl(nd.ni_dvp, ND_WRITE);
- nqsrv_getl(vp, ND_WRITE);
+ else
+ error = nfsrv_authorize(vp, dvp, KAUTH_VNODE_DELETE, &context, nxo, 0);
- error = VOP_REMOVE(nd.ni_dvp, nd.ni_vp, &nd.ni_cnd);
+ if (!error)
+ error = VNOP_REMOVE(dvp, vp, &nd.ni_cnd, 0, &context);
- } else {
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- if (nd.ni_dvp == vp)
- vrele(nd.ni_dvp);
- else
- vput(nd.ni_dvp);
- vput(vp);
- }
+ /*
+ * nameidone has to happen before we vnode_put(dvp)
+ * since it may need to release the fs_nodelock on the dvp
+ */
+ nameidone(&nd);
+
+ vnode_put(vp);
+ vnode_put(dvp);
}
- if (dirp && v3) {
- diraft_ret = VOP_GETATTR(dirp, &diraft, cred, procp);
- vrele(dirp);
+ if (dirp) {
+ nfsm_srv_vattr_init(&diraft, v3);
+ diraft_ret = vnode_getattr(dirp, &diraft, &context);
+ vnode_put(dirp);
}
nfsm_reply(NFSX_WCCDATA(v3));
if (v3) {
nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
return (0);
}
- nfsm_srvdone;
+nfsmout:
+ return (error);
}
/*
nfsrv_rename(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- register u_long *tl;
- register long t1;
+ kauth_cred_t saved_cred = NULL;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- int error = 0, cache, len, len2, fdirfor_ret = 1, fdiraft_ret = 1;
+ int error = 0, fromlen, tolen;
+ int fdirfor_ret = 1, fdiraft_ret = 1;
int tdirfor_ret = 1, tdiraft_ret = 1;
int v3 = (nfsd->nd_flag & ND_NFSV3);
- char *cp2;
- struct mbuf *mb, *mreq;
+ char *cp2, *frompath = NULL, *topath = NULL;
+ mbuf_t mb, mreq;
struct nameidata fromnd, tond;
- struct vnode *fvp, *tvp, *tdvp, *fdirp = (struct vnode *)0;
- struct vnode *tdirp = (struct vnode *)0;
- struct vattr fdirfor, fdiraft, tdirfor, tdiraft;
- nfsfh_t fnfh, tnfh;
- fhandle_t *ffhp, *tfhp;
- u_quad_t frev;
- uid_t saved_uid;
+ vnode_t fvp, tvp, tdvp, fdvp, fdirp = NULL;
+ vnode_t tdirp = NULL;
+ struct vnode_attr fdirfor, fdiraft, tdirfor, tdiraft;
+ struct nfs_filehandle fnfh, tnfh;
+ struct nfs_export *fnx, *tnx;
+ struct nfs_export_options *fnxo, *tnxo;
+ enum vtype fvtype, tvtype;
+ int holding_mntlock;
+ mount_t locked_mp;
+ struct vfs_context context;
+
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
#ifndef nolint
- fvp = (struct vnode *)0;
+ fvp = (vnode_t)0;
#endif
- ffhp = &fnfh.fh_generic;
- tfhp = &tnfh.fh_generic;
- fromnd.ni_cnd.cn_nameiop = 0;
- tond.ni_cnd.cn_nameiop = 0;
- nfsm_srvmtofh(ffhp);
- nfsm_srvnamesiz(len);
+
+ /*
+ * these need to be set before
+ * calling any nfsm_xxxx macros
+ * since they may take us out
+ * through the error path
+ */
+ holding_mntlock = 0;
+ fvp = tvp = NULL;
+ fdvp = tdvp = NULL;
+ locked_mp = NULL;
+
+ nfsm_srvmtofh(&fnfh);
+ nfsm_srvnamesiz(fromlen, v3);
+ error = nfsm_path_mbuftond(&md, &dpos, v3, FALSE, &fromlen, &fromnd);
+ if (error) {
+ nfsm_reply(0);
+ return (0);
+ }
+ frompath = fromnd.ni_cnd.cn_pnbuf;
+ nfsm_srvmtofh(&tnfh);
+ nfsm_strsiz(tolen, NFS_MAXNAMLEN, v3);
+ error = nfsm_path_mbuftond(&md, &dpos, v3, FALSE, &tolen, &tond);
+ if (error) {
+ nfsm_reply(0);
+ FREE_ZONE(frompath, MAXPATHLEN, M_NAMEI);
+ return (0);
+ }
+ topath = tond.ni_cnd.cn_pnbuf;
+
/*
* Remember our original uid so that we can reset cr_uid before
* the second nfs_namei() call, in case it is remapped.
*/
- saved_uid = cred->cr_uid;
- fromnd.ni_cnd.cn_cred = cred;
+ saved_cred = nfsd->nd_cr;
+ kauth_cred_ref(saved_cred);
+retry:
fromnd.ni_cnd.cn_nameiop = DELETE;
- fromnd.ni_cnd.cn_flags = WANTPARENT | SAVESTART;
- error = nfs_namei(&fromnd, ffhp, len, slp, nam, &md,
- &dpos, &fdirp, procp, (nfsd->nd_flag & ND_KERBAUTH), FALSE);
+ fromnd.ni_cnd.cn_flags = WANTPARENT;
+
+ fromnd.ni_cnd.cn_pnbuf = frompath;
+ frompath = NULL;
+ fromnd.ni_cnd.cn_pnlen = MAXPATHLEN;
+ fromnd.ni_cnd.cn_flags |= HASBUF;
+
+ error = nfs_namei(nfsd, &context, &fromnd, &fnfh, nam, FALSE, &fdirp, &fnx, &fnxo);
+ if (error)
+ goto out;
+ fdvp = fromnd.ni_dvp;
+ fvp = fromnd.ni_vp;
+
if (fdirp) {
- if (v3)
- fdirfor_ret = VOP_GETATTR(fdirp, &fdirfor, cred,
- procp);
- else {
- vrele(fdirp);
- fdirp = (struct vnode *)0;
+ if (v3) {
+ nfsm_srv_pre_vattr_init(&fdirfor, v3);
+ fdirfor_ret = vnode_getattr(fdirp, &fdirfor, &context);
+ } else {
+ vnode_put(fdirp);
+ fdirp = NULL;
}
}
- if (error) {
- nfsm_reply(2 * NFSX_WCCDATA(v3));
- nfsm_srvwcc_data(fdirfor_ret, &fdirfor, fdiraft_ret, &fdiraft);
- nfsm_srvwcc_data(tdirfor_ret, &tdirfor, tdiraft_ret, &tdiraft);
- if (fdirp)
- vrele(fdirp);
- return (0);
+ fvtype = vnode_vtype(fvp);
+
+ /* reset credential if it was remapped */
+ if (nfsd->nd_cr != saved_cred) {
+ kauth_cred_rele(nfsd->nd_cr);
+ nfsd->nd_cr = saved_cred;
+ kauth_cred_ref(nfsd->nd_cr);
}
- fvp = fromnd.ni_vp;
- nfsm_srvmtofh(tfhp);
- nfsm_strsiz(len2, NFS_MAXNAMLEN);
- cred->cr_uid = saved_uid;
- tond.ni_cnd.cn_cred = cred;
+
tond.ni_cnd.cn_nameiop = RENAME;
- tond.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF | NOCACHE | SAVESTART;
- error = nfs_namei(&tond, tfhp, len2, slp, nam, &md,
- &dpos, &tdirp, procp, (nfsd->nd_flag & ND_KERBAUTH), FALSE);
- if (tdirp) {
- if (v3)
- tdirfor_ret = VOP_GETATTR(tdirp, &tdirfor, cred,
- procp);
- else {
- vrele(tdirp);
- tdirp = (struct vnode *)0;
- }
- }
+ tond.ni_cnd.cn_flags = WANTPARENT;
+
+ tond.ni_cnd.cn_pnbuf = topath;
+ topath = NULL;
+ tond.ni_cnd.cn_pnlen = MAXPATHLEN;
+ tond.ni_cnd.cn_flags |= HASBUF;
+
+ if (fvtype == VDIR)
+ tond.ni_cnd.cn_flags |= WILLBEDIR;
+
+ error = nfs_namei(nfsd, &context, &tond, &tnfh, nam, FALSE, &tdirp, &tnx, &tnxo);
if (error) {
- VOP_ABORTOP(fromnd.ni_dvp, &fromnd.ni_cnd);
- vrele(fromnd.ni_dvp);
- vrele(fvp);
- goto out1;
+ /*
+ * Translate error code for rename("dir1", "dir2/.").
+ */
+ if (error == EISDIR && fvtype == VDIR) {
+ if (v3)
+ error = EINVAL;
+ else
+ error = ENOTEMPTY;
+ }
+ goto out;
}
tdvp = tond.ni_dvp;
- tvp = tond.ni_vp;
+ tvp = tond.ni_vp;
+
+ if (tdirp) {
+ if (v3) {
+ nfsm_srv_pre_vattr_init(&tdirfor, v3);
+ tdirfor_ret = vnode_getattr(tdirp, &tdirfor, &context);
+ } else {
+ vnode_put(tdirp);
+ tdirp = NULL;
+ }
+ }
+
if (tvp != NULL) {
- if (fvp->v_type == VDIR && tvp->v_type != VDIR) {
+ tvtype = vnode_vtype(tvp);
+
+ if (fvtype == VDIR && tvtype != VDIR) {
if (v3)
error = EEXIST;
else
error = EISDIR;
goto out;
- } else if (fvp->v_type != VDIR && tvp->v_type == VDIR) {
+ } else if (fvtype != VDIR && tvtype == VDIR) {
if (v3)
error = EEXIST;
else
error = ENOTDIR;
goto out;
}
- if (tvp->v_type == VDIR && tvp->v_mountedhere) {
+ if (tvtype == VDIR && vnode_mountedhere(tvp)) {
if (v3)
error = EXDEV;
else
goto out;
}
}
- if (fvp->v_type == VDIR && fvp->v_mountedhere) {
+ if (fvp == tdvp) {
+ if (v3)
+ error = EINVAL;
+ else
+ error = ENOTEMPTY;
+ goto out;
+ }
+
+ /*
+ * Authorization.
+ *
+ * If tvp is a directory and not the same as fdvp, or tdvp is not the same as fdvp,
+ * the node is moving between directories and we need rights to remove from the
+ * old and add to the new.
+ *
+ * If tvp already exists and is not a directory, we need to be allowed to delete it.
+ *
+ * Note that we do not inherit when renaming. XXX this needs to be revisited to
+ * implement the deferred-inherit bit.
+ */
+ {
+ int moving = 0;
+
+ error = 0;
+ if ((tvp != NULL) && vnode_isdir(tvp)) {
+ 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, &context, 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,
+ &context, 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,
+ &context, fnxo, 0)) != 0)
+ goto auth_exit;
+ }
+ /* overwriting tvp */
+ if ((tvp != NULL) && !vnode_isdir(tvp) &&
+ ((error = nfsrv_authorize(tvp, tdvp, KAUTH_VNODE_DELETE, &context, tnxo, 0)) != 0))
+ goto auth_exit;
+
+ /* XXX more checks? */
+
+auth_exit:
+ /* authorization denied */
+ if (error != 0)
+ goto out;
+ }
+
+ if ((vnode_mount(fvp) != vnode_mount(tdvp)) ||
+ (tvp && (vnode_mount(fvp) != vnode_mount(tvp)))) {
if (v3)
error = EXDEV;
else
error = ENOTEMPTY;
goto out;
}
- if (fvp->v_mount != tdvp->v_mount) {
+ /*
+ * The following edge case is caught here:
+ * (to cannot be a descendent of from)
+ *
+ * o fdvp
+ * /
+ * /
+ * o fvp
+ * \
+ * \
+ * o tdvp
+ * /
+ * /
+ * o tvp
+ */
+ if (tdvp->v_parent == fvp) {
if (v3)
error = EXDEV;
else
error = ENOTEMPTY;
goto out;
}
- if (fvp == tdvp)
+ if (fvtype == VDIR && vnode_mountedhere(fvp)) {
if (v3)
- error = EINVAL;
+ error = EXDEV;
else
error = ENOTEMPTY;
+ goto out;
+ }
/*
* If source is the same as the destination (that is the
- * same vnode) then there is nothing to do.
- * (fixed to have POSIX semantics - CSM 3/2/98)
+ * same vnode) then there is nothing to do...
+ * EXCEPT if the underlying file system supports case
+ * insensitivity and is case preserving. In this case
+ * the file system needs to handle the special case of
+ * getting the same vnode as target (fvp) and source (tvp).
+ *
+ * Only file systems that support pathconf selectors _PC_CASE_SENSITIVE
+ * and _PC_CASE_PRESERVING can have this exception, and they need to
+ * handle the special case of getting the same vnode as target and
+ * source. NOTE: Then the target is unlocked going into vnop_rename,
+ * so not to cause locking problems. There is a single reference on tvp.
+ *
+ * NOTE - that fvp == tvp also occurs if they are hard linked - NOTE
+ * that correct behaviour then is just to remove the source (link)
*/
- if (fvp == tvp)
- error = -1;
-out:
- if (!error) {
- nqsrv_getl(fromnd.ni_dvp, ND_WRITE);
- nqsrv_getl(tdvp, ND_WRITE);
- if (tvp)
- nqsrv_getl(tvp, ND_WRITE);
- error = VOP_RENAME(fromnd.ni_dvp, fromnd.ni_vp, &fromnd.ni_cnd,
- tond.ni_dvp, tond.ni_vp, &tond.ni_cnd);
+ if ((fvp == tvp) && (fdvp == tdvp)) {
+ if (fromnd.ni_cnd.cn_namelen == tond.ni_cnd.cn_namelen &&
+ !bcmp(fromnd.ni_cnd.cn_nameptr, tond.ni_cnd.cn_nameptr,
+ fromnd.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;
+ }
+ if (tdvp != fdvp && fvtype == VDIR) {
+ /*
+ * serialize renames that re-shape
+ * the tree... if holding_mntlock is
+ * set, then we're ready to go...
+ * otherwise we
+ * first need to drop the iocounts
+ * we picked up, second take the
+ * lock to serialize the access,
+ * then finally start the lookup
+ * process over with the lock held
+ */
+ if (!holding_mntlock) {
+ /*
+ * need to grab a reference on
+ * the mount point before we
+ * drop all the iocounts... once
+ * the iocounts are gone, the mount
+ * could follow
+ */
+ locked_mp = vnode_mount(fvp);
+ mount_ref(locked_mp, 0);
+
+ /* make a copy of to path to pass to nfs_namei() again */
+ MALLOC_ZONE(topath, caddr_t, MAXPATHLEN, M_NAMEI, M_WAITOK);
+ if (topath)
+ bcopy(tond.ni_cnd.cn_pnbuf, topath, tolen + 1);
+
+ /*
+ * nameidone has to happen before we vnode_put(tdvp)
+ * since it may need to release the fs_nodelock on the tdvp
+ */
+ nameidone(&tond);
+
+ if (tvp)
+ vnode_put(tvp);
+ vnode_put(tdvp);
+
+ /* make a copy of from path to pass to nfs_namei() again */
+ MALLOC_ZONE(frompath, caddr_t, MAXPATHLEN, M_NAMEI, M_WAITOK);
+ if (frompath)
+ bcopy(fromnd.ni_cnd.cn_pnbuf, frompath, fromlen + 1);
+
+ /*
+ * nameidone has to happen before we vnode_put(fdvp)
+ * since it may need to release the fs_nodelock on the fdvp
+ */
+ nameidone(&fromnd);
+
+ vnode_put(fvp);
+ vnode_put(fdvp);
+
+ if (fdirp) {
+ vnode_put(fdirp);
+ fdirp = NULL;
+ }
+ if (tdirp) {
+ vnode_put(tdirp);
+ tdirp = NULL;
+ }
+ mount_lock_renames(locked_mp);
+ holding_mntlock = 1;
+
+ fvp = tvp = NULL;
+ fdvp = tdvp = NULL;
+
+ fdirfor_ret = tdirfor_ret = 1;
+
+ if (!topath || !frompath) {
+ /* we couldn't allocate a path, so bail */
+ error = ENOMEM;
+ goto out;
+ }
+
+ goto retry;
+ }
} else {
- VOP_ABORTOP(tond.ni_dvp, &tond.ni_cnd);
- if (tdvp == tvp)
- vrele(tdvp);
- else
- vput(tdvp);
+ /*
+ * when we dropped the iocounts to take
+ * the lock, we allowed the identity of
+ * the various vnodes to change... if they did,
+ * we may no longer be dealing with a rename
+ * that reshapes the tree... once we're holding
+ * the iocounts, the vnodes can't change type
+ * so we're free to drop the lock at this point
+ * and continue on
+ */
+ if (holding_mntlock) {
+ mount_unlock_renames(locked_mp);
+ mount_drop(locked_mp, 0);
+ holding_mntlock = 0;
+ }
+ }
+
+ // save these off so we can later verify that fvp is the same
+ char *oname;
+ vnode_t oparent;
+ oname = fvp->v_name;
+ oparent = fvp->v_parent;
+
+ error = VNOP_RENAME(fromnd.ni_dvp, fromnd.ni_vp, &fromnd.ni_cnd,
+ tond.ni_dvp, tond.ni_vp, &tond.ni_cnd, &context);
+ /*
+ * 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)
+ update_flags |= VNODE_UPDATE_PARENT;
+ vnode_update_identity(fvp, tdvp, tond.ni_cnd.cn_nameptr, tond.ni_cnd.cn_namelen, tond.ni_cnd.cn_hash, update_flags);
+ }
+out:
+ if (holding_mntlock) {
+ 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(&tond);
if (tvp)
- vput(tvp);
- VOP_ABORTOP(fromnd.ni_dvp, &fromnd.ni_cnd);
- vrele(fromnd.ni_dvp);
- vrele(fvp);
- if (error == -1)
- error = 0;
+ vnode_put(tvp);
+ vnode_put(tdvp);
+
+ tdvp = NULL;
+ }
+ if (fdvp) {
+ /*
+ * nameidone has to happen before we vnode_put(fdvp)
+ * since it may need to release the fs_nodelock on the fdvp
+ */
+ nameidone(&fromnd);
+
+ if (fvp)
+ vnode_put(fvp);
+ vnode_put(fdvp);
+
+ fdvp = NULL;
}
- vrele(tond.ni_startdir);
- FREE_ZONE(tond.ni_cnd.cn_pnbuf, tond.ni_cnd.cn_pnlen, M_NAMEI);
- tond.ni_cnd.cn_flags &= ~HASBUF;
-out1:
if (fdirp) {
- fdiraft_ret = VOP_GETATTR(fdirp, &fdiraft, cred, procp);
- vrele(fdirp);
+ nfsm_srv_vattr_init(&fdiraft, v3);
+ fdiraft_ret = vnode_getattr(fdirp, &fdiraft, &context);
+ vnode_put(fdirp);
+ fdirp = NULL;
}
if (tdirp) {
- tdiraft_ret = VOP_GETATTR(tdirp, &tdiraft, cred, procp);
- vrele(tdirp);
+ nfsm_srv_vattr_init(&tdiraft, v3);
+ tdiraft_ret = vnode_getattr(tdirp, &tdiraft, &context);
+ vnode_put(tdirp);
+ tdirp = NULL;
}
- vrele(fromnd.ni_startdir);
- FREE_ZONE(fromnd.ni_cnd.cn_pnbuf, fromnd.ni_cnd.cn_pnlen, M_NAMEI);
- fromnd.ni_cnd.cn_flags &= ~HASBUF;
nfsm_reply(2 * NFSX_WCCDATA(v3));
if (v3) {
nfsm_srvwcc_data(fdirfor_ret, &fdirfor, fdiraft_ret, &fdiraft);
nfsm_srvwcc_data(tdirfor_ret, &tdirfor, tdiraft_ret, &tdiraft);
}
+ if (frompath)
+ FREE_ZONE(frompath, MAXPATHLEN, M_NAMEI);
+ if (topath)
+ FREE_ZONE(topath, MAXPATHLEN, M_NAMEI);
+ if (saved_cred)
+ kauth_cred_rele(saved_cred);
return (0);
nfsmout:
+ if (holding_mntlock) {
+ mount_unlock_renames(locked_mp);
+ mount_drop(locked_mp, 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(&tond);
+
+ if (tvp)
+ vnode_put(tvp);
+ vnode_put(tdvp);
+ }
+ if (fdvp) {
+ /*
+ * nameidone has to happen before we vnode_put(fdvp)
+ * since it may need to release the fs_nodelock on the fdvp
+ */
+ nameidone(&fromnd);
+
+ if (fvp)
+ vnode_put(fvp);
+ vnode_put(fdvp);
+ }
if (fdirp)
- vrele(fdirp);
+ vnode_put(fdirp);
if (tdirp)
- vrele(tdirp);
- if (tond.ni_cnd.cn_nameiop) {
- vrele(tond.ni_startdir);
- FREE_ZONE(tond.ni_cnd.cn_pnbuf, tond.ni_cnd.cn_pnlen, M_NAMEI);
- tond.ni_cnd.cn_flags &= ~HASBUF;
- }
- if (fromnd.ni_cnd.cn_nameiop) {
- vrele(fromnd.ni_startdir);
- FREE_ZONE(fromnd.ni_cnd.cn_pnbuf,
- fromnd.ni_cnd.cn_pnlen, M_NAMEI);
- fromnd.ni_cnd.cn_flags &= ~HASBUF;
- VOP_ABORTOP(fromnd.ni_dvp, &fromnd.ni_cnd);
- vrele(fromnd.ni_dvp);
- vrele(fvp);
- }
+ vnode_put(tdirp);
+ if (frompath)
+ FREE_ZONE(frompath, MAXPATHLEN, M_NAMEI);
+ if (topath)
+ FREE_ZONE(topath, MAXPATHLEN, M_NAMEI);
+ if (saved_cred)
+ kauth_cred_rele(saved_cred);
return (error);
}
nfsrv_link(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
struct nameidata nd;
- register u_long *tl;
- register long t1;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- int error = 0, rdonly, cache, len, dirfor_ret = 1, diraft_ret = 1;
+ int error = 0, len, dirfor_ret = 1, diraft_ret = 1;
int getret = 1, v3 = (nfsd->nd_flag & ND_NFSV3);
char *cp2;
- struct mbuf *mb, *mreq;
- struct vnode *vp, *xp, *dirp = (struct vnode *)0;
- struct vattr dirfor, diraft, at;
- nfsfh_t nfh, dnfh;
- fhandle_t *fhp, *dfhp;
- u_quad_t frev;
-
- fhp = &nfh.fh_generic;
- dfhp = &dnfh.fh_generic;
- nfsm_srvmtofh(fhp);
- nfsm_srvmtofh(dfhp);
- nfsm_srvnamesiz(len);
- if ((error = nfsrv_fhtovp(fhp, FALSE, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
+ mbuf_t mb, mreq;
+ vnode_t vp, xp, dvp, dirp = NULL;
+ struct vnode_attr dirfor, diraft, at;
+ struct nfs_filehandle nfh, dnfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ struct vfs_context context;
+
+ vp = xp = dvp = NULL;
+ nfsm_srvmtofh(&nfh);
+ nfsm_srvmtofh(&dnfh);
+ nfsm_srvnamesiz(len, v3);
+ if ((error = nfsrv_fhtovp(&nfh, nam, TRUE, &vp, &nx, &nxo))) {
+ nfsm_reply(NFSX_POSTOPATTR(v3) + NFSX_WCCDATA(v3));
+ nfsm_srvpostop_attr(getret, &at);
+ nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
+ return (0);
+ }
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
nfsm_reply(NFSX_POSTOPATTR(v3) + NFSX_WCCDATA(v3));
nfsm_srvpostop_attr(getret, &at);
nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
return (0);
}
- if (vp->v_type == VDIR) {
+
+ /* we're not allowed to link to directories... */
+ if (vnode_vtype(vp) == VDIR) {
error = EPERM; /* POSIX */
goto out1;
}
- nd.ni_cnd.cn_cred = cred;
+
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ /* ...or to anything that kauth doesn't want us to (eg. immutable items) */
+ if ((error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_LINKTARGET, &context, nxo, 0)) != 0)
+ goto out1;
+
nd.ni_cnd.cn_nameiop = CREATE;
nd.ni_cnd.cn_flags = LOCKPARENT;
- error = nfs_namei(&nd, dfhp, len, slp, nam, &md, &dpos,
- &dirp, procp, (nfsd->nd_flag & ND_KERBAUTH), FALSE);
+ error = nfsm_path_mbuftond(&md, &dpos, v3, FALSE, &len, &nd);
+ if (!error)
+ error = nfs_namei(nfsd, &context, &nd, &dnfh, nam, FALSE, &dirp, &nx, &nxo);
if (dirp) {
- if (v3)
- dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred,
- procp);
- else {
- vrele(dirp);
- dirp = (struct vnode *)0;
+ if (v3) {
+ nfsm_srv_pre_vattr_init(&dirfor, v3);
+ dirfor_ret = vnode_getattr(dirp, &dirfor, &context);
+ } else {
+ vnode_put(dirp);
+ dirp = NULL;
}
}
if (error)
goto out1;
+ dvp = nd.ni_dvp;
xp = nd.ni_vp;
- if (xp != NULL) {
+
+ if (xp != NULL)
error = EEXIST;
- goto out;
- }
- xp = nd.ni_dvp;
- if (vp->v_mount != xp->v_mount)
+ else if (vnode_mount(vp) != vnode_mount(dvp))
error = EXDEV;
-out:
- if (!error) {
- nqsrv_getl(vp, ND_WRITE);
- nqsrv_getl(xp, ND_WRITE);
- error = VOP_LINK(vp, nd.ni_dvp, &nd.ni_cnd);
- } else {
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- if (nd.ni_dvp == nd.ni_vp)
- vrele(nd.ni_dvp);
- else
- vput(nd.ni_dvp);
- if (nd.ni_vp)
- vrele(nd.ni_vp);
- }
+ else
+ error = nfsrv_authorize(dvp, NULL, KAUTH_VNODE_ADD_FILE, &context, nxo, 0);
+
+ if (!error)
+ error = VNOP_LINK(vp, dvp, &nd.ni_cnd, &context);
+
+ /*
+ * nameidone has to happen before we vnode_put(dvp)
+ * since it may need to release the fs_nodelock on the dvp
+ */
+ nameidone(&nd);
+
+ if (xp)
+ vnode_put(xp);
+ vnode_put(dvp);
out1:
- if (v3)
- getret = VOP_GETATTR(vp, &at, cred, procp);
+ if (v3) {
+ nfsm_srv_vattr_init(&at, v3);
+ getret = vnode_getattr(vp, &at, &context);
+ }
if (dirp) {
- diraft_ret = VOP_GETATTR(dirp, &diraft, cred, procp);
- vrele(dirp);
+ nfsm_srv_vattr_init(&diraft, v3);
+ diraft_ret = vnode_getattr(dirp, &diraft, &context);
+ vnode_put(dirp);
}
- vrele(vp);
+ vnode_put(vp);
+
nfsm_reply(NFSX_POSTOPATTR(v3) + NFSX_WCCDATA(v3));
if (v3) {
nfsm_srvpostop_attr(getret, &at);
nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
return (0);
}
- nfsm_srvdone;
+nfsmout:
+ return (error);
}
/*
nfsrv_symlink(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- struct vattr va, dirfor, diraft;
+ struct vnode_attr dirfor, diraft, postat;
struct nameidata nd;
- register struct vattr *vap = &va;
- register u_long *tl;
- register long t1;
+ struct vnode_attr va;
+ struct vnode_attr *vap = &va;
+ u_long *tl;
+ long t1;
struct nfsv2_sattr *sp;
- char *bpos, *pathcp = (char *)0, *cp2;
- struct uio io;
- struct iovec iv;
- int error = 0, cache, len, len2, dirfor_ret = 1, diraft_ret = 1;
+ char *bpos, *linkdata = NULL, *cp2;
+ int error = 0, len, linkdatalen;
+ int dirfor_ret = 1, diraft_ret = 1;
int v3 = (nfsd->nd_flag & ND_NFSV3);
- struct mbuf *mb, *mreq, *mb2;
- struct vnode *dirp = (struct vnode *)0;
- nfsfh_t nfh;
- fhandle_t *fhp;
- u_quad_t frev;
+ mbuf_t mb, mreq, mb2;
+ vnode_t vp, dvp, dirp = NULL;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ uio_t auio;
+ char uio_buf[ UIO_SIZEOF(1) ];
+ struct vfs_context context;
+ uid_t saved_uid;
+
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ /*
+ * Save the original credential UID in case they are
+ * mapped and we need to map the IDs in the attributes.
+ */
+ saved_uid = kauth_cred_getuid(nfsd->nd_cr);
nd.ni_cnd.cn_nameiop = 0;
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
- nfsm_srvnamesiz(len);
- nd.ni_cnd.cn_cred = cred;
+ vp = dvp = NULL;
+ nfsm_srvmtofh(&nfh);
+ nfsm_srvnamesiz(len, v3);
+
nd.ni_cnd.cn_nameiop = CREATE;
- nd.ni_cnd.cn_flags = LOCKPARENT | SAVESTART;
- error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos,
- &dirp, procp, (nfsd->nd_flag & ND_KERBAUTH), FALSE);
+ nd.ni_cnd.cn_flags = LOCKPARENT;
+ error = nfsm_path_mbuftond(&md, &dpos, v3, FALSE, &len, &nd);
+ if (!error)
+ error = nfs_namei(nfsd, &context, &nd, &nfh, nam, FALSE, &dirp, &nx, &nxo);
if (dirp) {
- if (v3)
- dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred,
- procp);
- else {
- vrele(dirp);
- dirp = (struct vnode *)0;
+ if (v3) {
+ nfsm_srv_pre_vattr_init(&dirfor, v3);
+ dirfor_ret = vnode_getattr(dirp, &dirfor, &context);
+ } else {
+ vnode_put(dirp);
+ dirp = NULL;
}
}
- if (error)
- goto out;
- VATTR_NULL(vap);
+ if (error) {
+ nd.ni_cnd.cn_nameiop = 0;
+ goto out1;
+ }
+ dvp = nd.ni_dvp;
+ vp = nd.ni_vp;
+
+ VATTR_INIT(vap);
if (v3)
nfsm_srvsattr(vap);
- nfsm_strsiz(len2, NFS_MAXPATHLEN);
- MALLOC(pathcp, caddr_t, len2 + 1, M_TEMP, M_WAITOK);
- iv.iov_base = pathcp;
- iv.iov_len = len2;
- io.uio_resid = len2;
- io.uio_offset = 0;
- io.uio_iov = &iv;
- io.uio_iovcnt = 1;
- io.uio_segflg = UIO_SYSSPACE;
- io.uio_rw = UIO_READ;
- io.uio_procp = (struct proc *)0;
- nfsm_mtouio(&io, len2);
+ nfsm_strsiz(linkdatalen, NFS_MAXPATHLEN, v3);
+ MALLOC(linkdata, caddr_t, linkdatalen + 1, M_TEMP, M_WAITOK);
+ if (!linkdata) {
+ nameidone(&nd);
+ nd.ni_cnd.cn_nameiop = 0;
+ vnode_put(nd.ni_dvp);
+ vnode_put(nd.ni_vp);
+ error = ENOMEM;
+ goto out;
+ }
+ auio = uio_createwithbuffer(1, 0, UIO_SYSSPACE, UIO_READ,
+ &uio_buf[0], sizeof(uio_buf));
+ if (!auio) {
+ nameidone(&nd);
+ nd.ni_cnd.cn_nameiop = 0;
+ vnode_put(nd.ni_dvp);
+ vnode_put(nd.ni_vp);
+ error = ENOMEM;
+ goto out;
+ }
+ uio_addiov(auio, CAST_USER_ADDR_T(linkdata), linkdatalen);
+ nfsm_mtouio(auio, linkdatalen);
if (!v3) {
nfsm_dissect(sp, struct nfsv2_sattr *, NFSX_V2SATTR);
- vap->va_mode = fxdr_unsigned(u_short, sp->sa_mode);
- }
- *(pathcp + len2) = '\0';
- if (nd.ni_vp) {
- vrele(nd.ni_startdir);
- FREE_ZONE(nd.ni_cnd.cn_pnbuf, nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- if (nd.ni_dvp == nd.ni_vp)
- vrele(nd.ni_dvp);
- else
- vput(nd.ni_dvp);
- vrele(nd.ni_vp);
+ VATTR_SET(vap, va_mode, fxdr_unsigned(u_short, sp->sa_mode));
+ }
+ *(linkdata + linkdatalen) = '\0';
+ if (vp) {
error = EEXIST;
goto out;
}
- nqsrv_getl(nd.ni_dvp, ND_WRITE);
- error = VOP_SYMLINK(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap, pathcp);
- if (error)
- vrele(nd.ni_startdir);
- else {
- if (v3) {
- nd.ni_cnd.cn_nameiop = LOOKUP;
- nd.ni_cnd.cn_flags &= ~(LOCKPARENT | SAVESTART | FOLLOW);
- nd.ni_cnd.cn_flags |= (NOFOLLOW | LOCKLEAF);
- nd.ni_cnd.cn_proc = procp;
- nd.ni_cnd.cn_cred = cred;
- error = lookup(&nd);
- if (!error) {
- bzero((caddr_t)fhp, sizeof(nfh));
- fhp->fh_fsid = nd.ni_vp->v_mount->mnt_stat.f_fsid;
- error = VFS_VPTOFH(nd.ni_vp, &fhp->fh_fid);
+
+ /*
+ * If the credentials were mapped, we should
+ * map the same values in the attributes.
+ */
+ if ((vap->va_uid == saved_uid) && (kauth_cred_getuid(nfsd->nd_cr) != saved_uid)) {
+ int ismember;
+ VATTR_SET(vap, va_uid, kauth_cred_getuid(nfsd->nd_cr));
+ if (kauth_cred_ismember_gid(nfsd->nd_cr, vap->va_gid, &ismember) || !ismember)
+ VATTR_SET(vap, va_gid, kauth_cred_getgid(nfsd->nd_cr));
+ }
+ VATTR_SET(vap, va_type, VLNK);
+ VATTR_CLEAR_ACTIVE(vap, va_data_size);
+ VATTR_CLEAR_ACTIVE(vap, va_access_time);
+
+ /* authorize before creating */
+ error = nfsrv_authorize(dvp, NULL, KAUTH_VNODE_ADD_FILE, &context, nxo, 0);
+
+ /* validate given attributes */
+ if (!error) {
+ error = vnode_authattr_new(dvp, vap, 0, &context);
+ if (error && (VATTR_IS_ACTIVE(vap, va_uid) || VATTR_IS_ACTIVE(vap, va_gid))) {
+ /*
+ * Most NFS servers just ignore the UID/GID attributes, so we
+ * try ignoring them if that'll help the request succeed.
+ */
+ VATTR_CLEAR_ACTIVE(vap, va_uid);
+ VATTR_CLEAR_ACTIVE(vap, va_gid);
+ error = vnode_authattr_new(dvp, vap, 0, &context);
+ }
+ }
+ if (!error)
+ error = VNOP_SYMLINK(dvp, &vp, &nd.ni_cnd, vap, linkdata, &context);
+
+ if (!error && v3) {
+ if (vp == NULL) {
+ nd.ni_cnd.cn_nameiop = LOOKUP;
+ nd.ni_cnd.cn_flags &= ~(LOCKPARENT | FOLLOW);
+ nd.ni_cnd.cn_flags |= (NOFOLLOW | LOCKLEAF);
+ nd.ni_cnd.cn_context = &context;
+ nd.ni_startdir = dvp;
+ nd.ni_usedvp = dvp;
+ error = lookup(&nd);
if (!error)
- error = VOP_GETATTR(nd.ni_vp, vap, cred,
- procp);
- vput(nd.ni_vp);
+ vp = nd.ni_vp;
+ }
+ if (!error) {
+ error = nfsrv_vptofh(nx, !v3, NULL, vp, &context, &nfh);
+ if (!error) {
+ nfsm_srv_vattr_init(&postat, v3);
+ error = vnode_getattr(vp, &postat, &context);
+ }
}
- } else
- vrele(nd.ni_startdir);
- FREE_ZONE(nd.ni_cnd.cn_pnbuf, nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
}
out:
- if (pathcp)
- FREE(pathcp, M_TEMP);
+ /*
+ * nameidone has to happen before we vnode_put(dvp)
+ * since it may need to release the fs_nodelock on the dvp
+ */
+ nameidone(&nd);
+ nd.ni_cnd.cn_nameiop = 0;
+
+ if (vp)
+ vnode_put(vp);
+ vnode_put(dvp);
+out1:
+ if (linkdata)
+ FREE(linkdata, M_TEMP);
if (dirp) {
- diraft_ret = VOP_GETATTR(dirp, &diraft, cred, procp);
- vrele(dirp);
+ nfsm_srv_vattr_init(&diraft, v3);
+ diraft_ret = vnode_getattr(dirp, &diraft, &context);
+ vnode_put(dirp);
}
- nfsm_reply(NFSX_SRVFH(v3) + NFSX_POSTOPATTR(v3) + NFSX_WCCDATA(v3));
+ nfsm_reply(NFSX_SRVFH(v3, &nfh) + NFSX_POSTOPATTR(v3) + NFSX_WCCDATA(v3));
if (v3) {
if (!error) {
- nfsm_srvpostop_fh(fhp);
- nfsm_srvpostop_attr(0, vap);
+ nfsm_srvpostop_fh(&nfh);
+ nfsm_srvpostop_attr(0, &postat);
}
nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
}
return (0);
nfsmout:
if (nd.ni_cnd.cn_nameiop) {
- vrele(nd.ni_startdir);
- FREE_ZONE(nd.ni_cnd.cn_pnbuf, nd.ni_cnd.cn_pnlen, M_NAMEI);
- nd.ni_cnd.cn_flags &= ~HASBUF;
+ /*
+ * nameidone has to happen before we vnode_put(dvp)
+ * since it may need to release the fs_nodelock on the dvp
+ */
+ nameidone(&nd);
+
+ if (vp)
+ vnode_put(vp);
+ vnode_put(dvp);
}
if (dirp)
- vrele(dirp);
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- if (nd.ni_dvp == nd.ni_vp)
- vrele(nd.ni_dvp);
- else
- vput(nd.ni_dvp);
- if (nd.ni_vp)
- vrele(nd.ni_vp);
- if (pathcp)
- FREE(pathcp, M_TEMP);
+ vnode_put(dirp);
+ if (linkdata)
+ FREE(linkdata, M_TEMP);
return (error);
}
nfsrv_mkdir(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- struct vattr va, dirfor, diraft;
- register struct vattr *vap = &va;
- register struct nfs_fattr *fp;
+ struct vnode_attr dirfor, diraft, postat;
+ struct vnode_attr va;
+ struct vnode_attr *vap = &va;
+ struct nfs_fattr *fp;
struct nameidata nd;
- register caddr_t cp;
- register u_long *tl;
- register long t1;
+ caddr_t cp;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- int error = 0, cache, len, dirfor_ret = 1, diraft_ret = 1;
+ int error = 0, len;
+ int dirfor_ret = 1, diraft_ret = 1;
int v3 = (nfsd->nd_flag & ND_NFSV3);
char *cp2;
- struct mbuf *mb, *mb2, *mreq;
- struct vnode *vp, *dirp = (struct vnode *)0;
- nfsfh_t nfh;
- fhandle_t *fhp;
- u_quad_t frev;
-
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
- nfsm_srvnamesiz(len);
- nd.ni_cnd.cn_cred = cred;
+ mbuf_t mb, mb2, mreq;
+ vnode_t vp, dvp, dirp = NULL;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ struct vfs_context context;
+ uid_t saved_uid;
+ kauth_acl_t xacl = NULL;
+
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ /*
+ * Save the original credential UID in case they are
+ * mapped and we need to map the IDs in the attributes.
+ */
+ saved_uid = kauth_cred_getuid(nfsd->nd_cr);
+
+ nd.ni_cnd.cn_nameiop = 0;
+ vp = dvp = NULL;
+ nfsm_srvmtofh(&nfh);
+ nfsm_srvnamesiz(len, v3);
+
nd.ni_cnd.cn_nameiop = CREATE;
nd.ni_cnd.cn_flags = LOCKPARENT;
- error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos,
- &dirp, procp, (nfsd->nd_flag & ND_KERBAUTH), FALSE);
+ error = nfsm_path_mbuftond(&md, &dpos, v3, FALSE, &len, &nd);
+ if (!error)
+ error = nfs_namei(nfsd, &context, &nd, &nfh, nam, FALSE, &dirp, &nx, &nxo);
if (dirp) {
- if (v3)
- dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred,
- procp);
- else {
- vrele(dirp);
- dirp = (struct vnode *)0;
+ if (v3) {
+ nfsm_srv_pre_vattr_init(&dirfor, v3);
+ dirfor_ret = vnode_getattr(dirp, &dirfor, &context);
+ } else {
+ vnode_put(dirp);
+ dirp = NULL;
}
}
if (error) {
+ nd.ni_cnd.cn_nameiop = 0;
nfsm_reply(NFSX_WCCDATA(v3));
nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
if (dirp)
- vrele(dirp);
+ vnode_put(dirp);
return (0);
}
- VATTR_NULL(vap);
+ dvp = nd.ni_dvp;
+ vp = nd.ni_vp;
+
+ VATTR_INIT(vap);
if (v3) {
nfsm_srvsattr(vap);
} else {
nfsm_dissect(tl, u_long *, NFSX_UNSIGNED);
- vap->va_mode = nfstov_mode(*tl++);
+ VATTR_SET(vap, va_mode, nfstov_mode(*tl++));
}
- vap->va_type = VDIR;
- vp = nd.ni_vp;
+ VATTR_SET(vap, va_type, VDIR);
+
if (vp != NULL) {
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- if (nd.ni_dvp == vp)
- vrele(nd.ni_dvp);
- else
- vput(nd.ni_dvp);
- vrele(vp);
+ /*
+ * nameidone has to happen before we vnode_put(dvp)
+ * since it may need to release the fs_nodelock on the dvp
+ */
+ nameidone(&nd);
+
+ vnode_put(dvp);
+ vnode_put(vp);
error = EEXIST;
goto out;
}
- nqsrv_getl(nd.ni_dvp, ND_WRITE);
- error = VOP_MKDIR(nd.ni_dvp, &nd.ni_vp, &nd.ni_cnd, vap);
+
+ /*
+ * If the credentials were mapped, we should
+ * map the same values in the attributes.
+ */
+ if ((vap->va_uid == saved_uid) && (kauth_cred_getuid(nfsd->nd_cr) != saved_uid)) {
+ int ismember;
+ VATTR_SET(vap, va_uid, kauth_cred_getuid(nfsd->nd_cr));
+ if (kauth_cred_ismember_gid(nfsd->nd_cr, vap->va_gid, &ismember) || !ismember)
+ VATTR_SET(vap, va_gid, kauth_cred_getgid(nfsd->nd_cr));
+ }
+
+ error = nfsrv_authorize(dvp, NULL, KAUTH_VNODE_ADD_SUBDIRECTORY, &context, nxo, 0);
+
+ /* construct ACL and handle inheritance */
if (!error) {
- vp = nd.ni_vp;
- bzero((caddr_t)fhp, sizeof(nfh));
- fhp->fh_fsid = vp->v_mount->mnt_stat.f_fsid;
- error = VFS_VPTOFH(vp, &fhp->fh_fid);
- if (!error)
- error = VOP_GETATTR(vp, vap, cred, procp);
- vput(vp);
+ error = kauth_acl_inherit(dvp,
+ NULL,
+ &xacl, /* isdir */
+ 1,
+ &context);
+
+ if (!error && xacl != NULL)
+ VATTR_SET(vap, va_acl, xacl);
+ }
+ VATTR_CLEAR_ACTIVE(vap, va_data_size);
+ VATTR_CLEAR_ACTIVE(vap, va_access_time);
+
+ /* validate new-file security information */
+ if (!error) {
+ error = vnode_authattr_new(dvp, vap, 0, &context);
+ if (error && (VATTR_IS_ACTIVE(vap, va_uid) || VATTR_IS_ACTIVE(vap, va_gid))) {
+ /*
+ * Most NFS servers just ignore the UID/GID attributes, so we
+ * try ignoring them if that'll help the request succeed.
+ */
+ VATTR_CLEAR_ACTIVE(vap, va_uid);
+ VATTR_CLEAR_ACTIVE(vap, va_gid);
+ error = vnode_authattr_new(dvp, vap, 0, &context);
+ }
+ }
+
+ if (!error)
+ error = VNOP_MKDIR(dvp, &vp, &nd.ni_cnd, vap, &context);
+
+ 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, &context);
+
+ if (xacl != NULL)
+ kauth_acl_free(xacl);
+
+ if (!error) {
+ error = nfsrv_vptofh(nx, !v3, NULL, vp, &context, &nfh);
+ if (!error) {
+ nfsm_srv_vattr_init(&postat, v3);
+ error = vnode_getattr(vp, &postat, &context);
+ }
+ vnode_put(vp);
+ vp = NULL;
}
+ /*
+ * nameidone has to happen before we vnode_put(dvp)
+ * since it may need to release the fs_nodelock on the dvp
+ */
+ nameidone(&nd);
+
+ vnode_put(dvp);
out:
+ nd.ni_cnd.cn_nameiop = 0;
+
if (dirp) {
- diraft_ret = VOP_GETATTR(dirp, &diraft, cred, procp);
- vrele(dirp);
+ nfsm_srv_vattr_init(&diraft, v3);
+ diraft_ret = vnode_getattr(dirp, &diraft, &context);
+ vnode_put(dirp);
}
- nfsm_reply(NFSX_SRVFH(v3) + NFSX_POSTOPATTR(v3) + NFSX_WCCDATA(v3));
+ nfsm_reply(NFSX_SRVFH(v3, &nfh) + NFSX_POSTOPATTR(v3) + NFSX_WCCDATA(v3));
if (v3) {
if (!error) {
- nfsm_srvpostop_fh(fhp);
- nfsm_srvpostop_attr(0, vap);
+ nfsm_srvpostop_fh(&nfh);
+ nfsm_srvpostop_attr(0, &postat);
}
nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
} else {
- nfsm_srvfhtom(fhp, v3);
+ nfsm_srvfhtom(&nfh, v3);
nfsm_build(fp, struct nfs_fattr *, NFSX_V2FATTR);
- nfsm_srvfillattr(vap, fp);
+ nfsm_srvfillattr(&postat, fp);
}
return (0);
nfsmout:
+ if (nd.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(&nd);
+ vnode_put(dvp);
+ if (vp)
+ vnode_put(vp);
+ }
if (dirp)
- vrele(dirp);
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- if (nd.ni_dvp == nd.ni_vp)
- vrele(nd.ni_dvp);
- else
- vput(nd.ni_dvp);
- if (nd.ni_vp)
- vrele(nd.ni_vp);
+ vnode_put(dirp);
return (error);
}
nfsrv_rmdir(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- register u_long *tl;
- register long t1;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- int error = 0, cache, len, dirfor_ret = 1, diraft_ret = 1;
+ int error = 0, len;
+ int dirfor_ret = 1, diraft_ret = 1;
int v3 = (nfsd->nd_flag & ND_NFSV3);
char *cp2;
- struct mbuf *mb, *mreq;
- struct vnode *vp, *dirp = (struct vnode *)0;
- struct vattr dirfor, diraft;
- nfsfh_t nfh;
- fhandle_t *fhp;
+ mbuf_t mb, mreq;
+ vnode_t vp, dvp, dirp = NULL;
+ struct vnode_attr dirfor, diraft;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
struct nameidata nd;
- u_quad_t frev;
+ struct vfs_context context;
+
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ vp = dvp = NULL;
+ nfsm_srvmtofh(&nfh);
+ nfsm_srvnamesiz(len, v3);
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
- nfsm_srvnamesiz(len);
- nd.ni_cnd.cn_cred = cred;
nd.ni_cnd.cn_nameiop = DELETE;
nd.ni_cnd.cn_flags = LOCKPARENT | LOCKLEAF;
- error = nfs_namei(&nd, fhp, len, slp, nam, &md, &dpos,
- &dirp, procp, (nfsd->nd_flag & ND_KERBAUTH), FALSE);
+ error = nfsm_path_mbuftond(&md, &dpos, v3, FALSE, &len, &nd);
+ if (!error)
+ error = nfs_namei(nfsd, &context, &nd, &nfh, nam, FALSE, &dirp, &nx, &nxo);
if (dirp) {
- if (v3)
- dirfor_ret = VOP_GETATTR(dirp, &dirfor, cred,
- procp);
- else {
- vrele(dirp);
- dirp = (struct vnode *)0;
+ if (v3) {
+ nfsm_srv_pre_vattr_init(&dirfor, v3);
+ dirfor_ret = vnode_getattr(dirp, &dirfor, &context);
+ } else {
+ vnode_put(dirp);
+ dirp = NULL;
}
}
if (error) {
nfsm_reply(NFSX_WCCDATA(v3));
nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
if (dirp)
- vrele(dirp);
+ vnode_put(dirp);
return (0);
}
+ dvp = nd.ni_dvp;
vp = nd.ni_vp;
- if (vp->v_type != VDIR) {
+
+ if (vnode_vtype(vp) != VDIR) {
error = ENOTDIR;
goto out;
}
/*
* No rmdir "." please.
*/
- if (nd.ni_dvp == vp) {
+ if (dvp == vp) {
error = EINVAL;
goto out;
}
/*
* The root of a mounted filesystem cannot be deleted.
*/
- if (vp->v_flag & VROOT)
+ if (vnode_isvroot(vp))
error = EBUSY;
+ if (!error)
+ error = nfsrv_authorize(vp, dvp, KAUTH_VNODE_DELETE, &context, nxo, 0);
+ if (!error)
+ error = VNOP_RMDIR(dvp, vp, &nd.ni_cnd, &context);
out:
- if (!error) {
- nqsrv_getl(nd.ni_dvp, ND_WRITE);
- nqsrv_getl(vp, ND_WRITE);
- error = VOP_RMDIR(nd.ni_dvp, nd.ni_vp, &nd.ni_cnd);
- } else {
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- if (nd.ni_dvp == nd.ni_vp)
- vrele(nd.ni_dvp);
- else
- vput(nd.ni_dvp);
- vput(vp);
- }
+ /*
+ * nameidone has to happen before we vnode_put(dvp)
+ * since it may need to release the fs_nodelock on the dvp
+ */
+ nameidone(&nd);
+
+ vnode_put(dvp);
+ vnode_put(vp);
+
if (dirp) {
- diraft_ret = VOP_GETATTR(dirp, &diraft, cred, procp);
- vrele(dirp);
+ nfsm_srv_vattr_init(&diraft, v3);
+ diraft_ret = vnode_getattr(dirp, &diraft, &context);
+ vnode_put(dirp);
}
nfsm_reply(NFSX_WCCDATA(v3));
if (v3) {
nfsm_srvwcc_data(dirfor_ret, &dirfor, diraft_ret, &diraft);
return (0);
}
- nfsm_srvdone;
+nfsmout:
+ return (error);
}
/*
* nfs readdir service
* - mallocs what it thinks is enough to read
* count rounded up to a multiple of NFS_DIRBLKSIZ <= NFS_MAXREADDIR
- * - calls VOP_READDIR()
+ * - calls VNOP_READDIR()
* - loops around building the reply
* if the output generated exceeds count break out of loop
* The nfsm_clget macro is used here so that the reply will be packed
* tightly in mbuf clusters.
- * - it only knows that it has encountered eof when the VOP_READDIR()
+ * - it only knows that it has encountered eof when the VNOP_READDIR()
* reads nothing
* - as such one readdir rpc will return eof false although you are there
* and then the next will return eof
* - it trims out records with d_fileno == 0
* this doesn't matter for Unix clients, but they might confuse clients
* for other os'.
- * NB: It is tempting to set eof to true if the VOP_READDIR() reads less
+ * NB: It is tempting to set eof to true if the VNOP_READDIR() reads less
* than requested, but this may not apply to all filesystems. For
* example, client NFS does not { although it is never remote mounted
* anyhow }
* the EOF flag. For readdirplus, the maxcount is the same, and the
* dircount includes all that except for the entry attributes and handles.
*/
-struct flrep {
- nfsuint64 fl_off;
- u_long fl_postopok;
- u_long fl_fattr[NFSX_V3FATTR / sizeof (u_long)];
- u_long fl_fhok;
- u_long fl_fhsize;
- u_long fl_nfh[NFSX_V3FH / sizeof (u_long)];
-};
int
nfsrv_readdir(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- register char *bp, *be;
- register struct mbuf *mp;
- register struct dirent *dp;
- register caddr_t cp;
- register u_long *tl;
- register long t1;
+ char *bp, *be;
+ mbuf_t mp;
+ struct direntry *dp;
+ caddr_t cp;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- struct mbuf *mb, *mb2, *mreq, *mp2;
+ mbuf_t mb, mb2, mreq, mp2;
char *cpos, *cend, *cp2, *rbuf;
- struct vnode *vp;
- struct vattr at;
- nfsfh_t nfh;
- fhandle_t *fhp;
- struct uio io;
- struct iovec iv;
+ vnode_t vp;
+ struct vnode_attr at;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ uio_t auio;
+ char uio_buf[ UIO_SIZEOF(1) ];
int len, nlen, rem, xfer, tsiz, i, error = 0, getret = 1;
- int siz, cnt, fullsiz, eofflag, rdonly, cache, ncookies = 0;
+ int siz, count, fullsiz, eofflag, nentries = 0;
int v3 = (nfsd->nd_flag & ND_NFSV3);
- u_quad_t frev, off, toff, verf;
- u_long *cookies = NULL, *cookiep;
+ u_quad_t off, toff, verf;
+ nfsuint64 tquad;
+ int vnopflag;
+ struct vfs_context context;
+
+ vnopflag = VNODE_READDIR_EXTENDED | VNODE_READDIR_REQSEEKOFF;
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
+ nfsm_srvmtofh(&nfh);
if (v3) {
nfsm_dissect(tl, u_long *, 5 * NFSX_UNSIGNED);
fxdr_hyper(tl, &toff);
toff = fxdr_unsigned(u_quad_t, *tl++);
}
off = toff;
- cnt = fxdr_unsigned(int, *tl);
- siz = ((cnt + DIRBLKSIZ - 1) & ~(DIRBLKSIZ - 1));
+ count = fxdr_unsigned(int, *tl);
+ siz = ((count + DIRBLKSIZ - 1) & ~(DIRBLKSIZ - 1));
xfer = NFS_SRVMAXDATA(nfsd);
if (siz > xfer)
siz = xfer;
fullsiz = siz;
- if ((error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
+ if ((error = nfsrv_fhtovp(&nfh, nam, TRUE, &vp, &nx, &nxo))) {
+ nfsm_reply(NFSX_UNSIGNED);
+ nfsm_srvpostop_attr(getret, &at);
+ return (0);
+ }
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
nfsm_reply(NFSX_UNSIGNED);
nfsm_srvpostop_attr(getret, &at);
return (0);
}
- nqsrv_getl(vp, ND_READ);
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+ if (!v3 || (nxo->nxo_flags & NX_32BITCLIENTS))
+ vnopflag |= VNODE_READDIR_SEEKOFF32;
if (v3) {
- error = getret = VOP_GETATTR(vp, &at, cred, procp);
+ nfsm_srv_vattr_init(&at, v3);
+ error = getret = vnode_getattr(vp, &at, &context);
if (!error && toff && verf && verf != at.va_filerev)
error = NFSERR_BAD_COOKIE;
}
if (!error)
- error = nfsrv_access(vp, VEXEC, cred, rdonly, procp, 0);
+ error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_LIST_DIRECTORY, &context, nxo, 0);
if (error) {
- vput(vp);
+ vnode_put(vp);
nfsm_reply(NFSX_POSTOPATTR(v3));
nfsm_srvpostop_attr(getret, &at);
return (0);
}
- VOP_UNLOCK(vp, 0, procp);
MALLOC(rbuf, caddr_t, siz, M_TEMP, M_WAITOK);
-again:
- iv.iov_base = rbuf;
- iv.iov_len = fullsiz;
- io.uio_iov = &iv;
- io.uio_iovcnt = 1;
- io.uio_offset = (off_t)off;
- io.uio_resid = fullsiz;
- io.uio_segflg = UIO_SYSSPACE;
- io.uio_rw = UIO_READ;
- io.uio_procp = (struct proc *)0;
- eofflag = 0;
-
- if (cookies) {
- _FREE((caddr_t)cookies, M_TEMP);
- cookies = NULL;
- }
- if (error = vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, procp)) {
- FREE((caddr_t)rbuf, M_TEMP);
+ if (!rbuf) {
+ error = ENOMEM;
+ vnode_put(vp);
nfsm_reply(NFSX_POSTOPATTR(v3));
nfsm_srvpostop_attr(getret, &at);
return (0);
}
- error = VOP_READDIR(vp, &io, cred, &eofflag, &ncookies, &cookies);
- off = (off_t)io.uio_offset;
- /*
- * We cannot set the error in the case where there are no cookies
- * and no error, only, as FreeBSD. In the scenario the client is
- * calling us back being told there were "more" entries on last readdir
- * return, and we have no more entries, our VOP_READDIR can give
- * cookies = NULL and no error. This is due to a zero size to MALLOC
- * returning NULL unlike FreeBSD which returns a pointer.
- * With FreeBSD it makes sense if the MALLOC failed and you get in that
- * bind. For us, we need something more. Thus, we should make sure we
- * had some cookies to return, but no pointer and no error for EPERM case.
- * Otherwise, go thru normal processing of sending back the eofflag. This check
- * is also legit on first call to the routine by client since . and ..
- * should be returned. Make same change to nfsrv_readdirplus.
- */
- if ((ncookies != 0) && !cookies && !error)
- error = NFSERR_PERM;
-
+ auio = uio_createwithbuffer(1, 0, UIO_SYSSPACE, UIO_READ,
+ &uio_buf[0], sizeof(uio_buf));
+ if (!auio) {
+ error = ENOMEM;
+ FREE(rbuf, M_TEMP);
+ vnode_put(vp);
+ nfsm_reply(NFSX_POSTOPATTR(v3));
+ nfsm_srvpostop_attr(getret, &at);
+ return (0);
+ }
+again:
+ uio_reset(auio, off, UIO_SYSSPACE, UIO_READ);
+ uio_addiov(auio, CAST_USER_ADDR_T(rbuf), fullsiz);
+
+ eofflag = 0;
+ error = VNOP_READDIR(vp, auio, vnopflag, &eofflag, &nentries, &context);
+ off = uio_offset(auio);
+
if (v3) {
- getret = VOP_GETATTR(vp, &at, cred, procp);
+ nfsm_srv_vattr_init(&at, v3);
+ getret = vnode_getattr(vp, &at, &context);
if (!error)
error = getret;
}
- VOP_UNLOCK(vp, 0, procp);
if (error) {
- vrele(vp);
- _FREE((caddr_t)rbuf, M_TEMP);
- if (cookies)
- _FREE((caddr_t)cookies, M_TEMP);
+ vnode_put(vp);
+ FREE(rbuf, M_TEMP);
nfsm_reply(NFSX_POSTOPATTR(v3));
nfsm_srvpostop_attr(getret, &at);
return (0);
}
- if (io.uio_resid) {
- siz -= io.uio_resid;
+ if (uio_resid(auio) != 0) {
+ // LP64todo - fix this
+ siz -= uio_resid(auio);
/*
* If nothing read, return eof
* rpc reply
*/
if (siz == 0) {
- vrele(vp);
+ vnode_put(vp);
nfsm_reply(NFSX_POSTOPATTR(v3) + NFSX_COOKIEVERF(v3) +
2 * NFSX_UNSIGNED);
if (v3) {
nfsm_build(tl, u_long *, 2 * NFSX_UNSIGNED);
*tl++ = nfs_false;
*tl = nfs_true;
- FREE((caddr_t)rbuf, M_TEMP);
- FREE((caddr_t)cookies, M_TEMP);
+ FREE(rbuf, M_TEMP);
return (0);
}
}
*/
cpos = rbuf;
cend = rbuf + siz;
- dp = (struct dirent *)cpos;
- cookiep = cookies;
-#ifdef __FreeBSD__
- /*
- * For some reason FreeBSD's ufs_readdir() chooses to back the
- * directory offset up to a block boundary, so it is necessary to
- * skip over the records that preceed the requested offset. This
- * requires the assumption that file offset cookies monotonically
- * increase.
- */
- while (cpos < cend && ncookies > 0 &&
- (dp->d_fileno == 0 || ((u_quad_t)(*cookiep)) <= toff)) {
-#else
- while (dp->d_fileno == 0 && cpos < cend && ncookies > 0) {
-#endif
+ dp = (struct direntry *)cpos;
+ while (dp->d_fileno == 0 && cpos < cend && nentries > 0) {
cpos += dp->d_reclen;
- dp = (struct dirent *)cpos;
- cookiep++;
- ncookies--;
+ dp = (struct direntry *)cpos;
+ nentries--;
}
- if (cpos >= cend || ncookies == 0) {
+ if (cpos >= cend || nentries == 0) {
toff = off;
siz = fullsiz;
goto again;
}
+ vnode_put(vp);
nfsm_reply(NFSX_POSTOPATTR(v3) + NFSX_COOKIEVERF(v3) + siz);
if (v3) {
len = NFSX_V3POSTOPATTR + NFSX_V3COOKIEVERF + 2 * NFSX_UNSIGNED;
len = 2 * NFSX_UNSIGNED;
mp = mp2 = mb;
bp = bpos;
- be = bp + M_TRAILINGSPACE(mp);
+ be = bp + mbuf_trailingspace(mp);
/* Loop through the records and build reply */
- while (cpos < cend && ncookies > 0) {
+ while (cpos < cend && nentries > 0) {
if (dp->d_fileno != 0) {
nlen = dp->d_namlen;
+ if (!v3 && (nlen > NFS_MAXNAMLEN))
+ nlen = NFS_MAXNAMLEN;
rem = nfsm_rndup(nlen)-nlen;
len += (4 * NFSX_UNSIGNED + nlen + rem);
if (v3)
len += 2 * NFSX_UNSIGNED;
- if (len > cnt) {
+ if (len > count) {
eofflag = 0;
break;
}
/*
* Build the directory record xdr from
- * the dirent entry.
+ * the direntry entry.
*/
nfsm_clget;
*tl = nfs_true;
bp += NFSX_UNSIGNED;
+ nfsm_clget;
if (v3) {
+ txdr_hyper(&dp->d_fileno, &tquad);
+ *tl = tquad.nfsuquad[0];
+ bp += NFSX_UNSIGNED;
nfsm_clget;
- *tl = 0;
+ *tl = tquad.nfsuquad[1];
+ bp += NFSX_UNSIGNED;
+ } else {
+ *tl = txdr_unsigned(dp->d_fileno);
bp += NFSX_UNSIGNED;
}
nfsm_clget;
- *tl = txdr_unsigned(dp->d_fileno);
- bp += NFSX_UNSIGNED;
- nfsm_clget;
*tl = txdr_unsigned(nlen);
bp += NFSX_UNSIGNED;
/* And null pad to a long boundary */
for (i = 0; i < rem; i++)
*bp++ = '\0';
- nfsm_clget;
- /* Finish off the record */
+ /* Finish off the record with the cookie */
+ nfsm_clget;
if (v3) {
- *tl = 0;
+ if (vnopflag & VNODE_READDIR_SEEKOFF32)
+ dp->d_seekoff &= 0x00000000ffffffffULL;
+ txdr_hyper(&dp->d_seekoff, &tquad);
+ *tl = tquad.nfsuquad[0];
bp += NFSX_UNSIGNED;
nfsm_clget;
+ *tl = tquad.nfsuquad[1];
+ bp += NFSX_UNSIGNED;
+ } else {
+ *tl = txdr_unsigned(dp->d_seekoff);
+ bp += NFSX_UNSIGNED;
}
- *tl = txdr_unsigned(*cookiep);
- bp += NFSX_UNSIGNED;
}
cpos += dp->d_reclen;
- dp = (struct dirent *)cpos;
- cookiep++;
- ncookies--;
+ dp = (struct direntry *)cpos;
+ nentries--;
}
- vrele(vp);
nfsm_clget;
*tl = nfs_false;
bp += NFSX_UNSIGNED;
bp += NFSX_UNSIGNED;
if (mp != mb) {
if (bp < be)
- mp->m_len = bp - mtod(mp, caddr_t);
+ mbuf_setlen(mp, bp - (char*)mbuf_data(mp));
} else
- mp->m_len += bp - bpos;
- FREE((caddr_t)rbuf, M_TEMP);
- FREE((caddr_t)cookies, M_TEMP);
- nfsm_srvdone;
+ mbuf_setlen(mp, mbuf_len(mp) + (bp - bpos));
+ FREE(rbuf, M_TEMP);
+nfsmout:
+ return (error);
}
+struct flrep {
+ nfsuint64 fl_off;
+ u_long fl_postopok;
+ u_long fl_fattr[NFSX_V3FATTR / sizeof (u_long)];
+ u_long fl_fhok;
+ u_long fl_fhsize;
+ u_long fl_nfh[NFSX_V3FHMAX / sizeof (u_long)];
+};
+
int
nfsrv_readdirplus(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- register char *bp, *be;
- register struct mbuf *mp;
- register struct dirent *dp;
- register caddr_t cp;
- register u_long *tl;
- register long t1;
+ char *bp, *be;
+ mbuf_t mp;
+ struct direntry *dp;
+ caddr_t cp;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- struct mbuf *mb, *mb2, *mreq, *mp2;
+ mbuf_t mb, mb2, mreq, mp2;
char *cpos, *cend, *cp2, *rbuf;
- struct vnode *vp, *nvp;
+ vnode_t vp, nvp;
struct flrep fl;
- nfsfh_t nfh;
- fhandle_t *fhp, *nfhp = (fhandle_t *)fl.fl_nfh;
- struct uio io;
- struct iovec iv;
- struct vattr va, at, *vap = &va;
+ struct nfs_filehandle dnfh, *nfhp = (struct nfs_filehandle *)&fl.fl_fhsize;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ uio_t auio;
+ char uio_buf[ UIO_SIZEOF(1) ];
+ struct vnode_attr va, at, *vap = &va;
struct nfs_fattr *fp;
int len, nlen, rem, xfer, tsiz, i, error = 0, getret = 1;
- int siz, cnt, fullsiz, eofflag, rdonly, cache, dirlen, ncookies = 0;
- u_quad_t frev, off, toff, verf;
- u_long *cookies = NULL, *cookiep;
- void *file;
+ int siz, count, fullsiz, eofflag, dirlen, nentries = 0, isdotdot;
+ u_quad_t off, toff, verf;
+ nfsuint64 tquad;
+ int vnopflag;
+ struct vfs_context context;
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
+ vnopflag = VNODE_READDIR_EXTENDED | VNODE_READDIR_REQSEEKOFF;
+ vp = NULL;
+ nfsm_srvmtofh(&dnfh);
nfsm_dissect(tl, u_long *, 6 * NFSX_UNSIGNED);
fxdr_hyper(tl, &toff);
tl += 2;
fxdr_hyper(tl, &verf);
tl += 2;
siz = fxdr_unsigned(int, *tl++);
- cnt = fxdr_unsigned(int, *tl);
+ count = fxdr_unsigned(int, *tl);
off = toff;
siz = ((siz + DIRBLKSIZ - 1) & ~(DIRBLKSIZ - 1));
xfer = NFS_SRVMAXDATA(nfsd);
if (siz > xfer)
siz = xfer;
fullsiz = siz;
- if ((error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
+ if ((error = nfsrv_fhtovp(&dnfh, nam, TRUE, &vp, &nx, &nxo))) {
+ nfsm_reply(NFSX_UNSIGNED);
+ nfsm_srvpostop_attr(getret, &at);
+ return (0);
+ }
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
nfsm_reply(NFSX_UNSIGNED);
nfsm_srvpostop_attr(getret, &at);
return (0);
}
- error = getret = VOP_GETATTR(vp, &at, cred, procp);
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+ if (nxo->nxo_flags & NX_32BITCLIENTS)
+ vnopflag |= VNODE_READDIR_SEEKOFF32;
+ nfsm_srv_vattr_init(&at, 1);
+ error = getret = vnode_getattr(vp, &at, &context);
if (!error && toff && verf && verf != at.va_filerev)
error = NFSERR_BAD_COOKIE;
- if (!error) {
- nqsrv_getl(vp, ND_READ);
- error = nfsrv_access(vp, VEXEC, cred, rdonly, procp, 0);
- }
+ if (!error)
+ error = nfsrv_authorize(vp, NULL, KAUTH_VNODE_LIST_DIRECTORY, &context, nxo, 0);
if (error) {
- vput(vp);
+ vnode_put(vp);
+ vp = NULL;
nfsm_reply(NFSX_V3POSTOPATTR);
nfsm_srvpostop_attr(getret, &at);
return (0);
}
- VOP_UNLOCK(vp, 0, procp);
MALLOC(rbuf, caddr_t, siz, M_TEMP, M_WAITOK);
+ if (!rbuf) {
+ error = ENOMEM;
+ vnode_put(vp);
+ vp = NULL;
+ nfsm_reply(NFSX_V3POSTOPATTR);
+ nfsm_srvpostop_attr(getret, &at);
+ return (0);
+ }
+ auio = uio_createwithbuffer(1, 0, UIO_SYSSPACE, UIO_READ,
+ &uio_buf[0], sizeof(uio_buf));
+ if (!auio) {
+ error = ENOMEM;
+ FREE(rbuf, M_TEMP);
+ vnode_put(vp);
+ vp = NULL;
+ nfsm_reply(NFSX_V3POSTOPATTR);
+ nfsm_srvpostop_attr(getret, &at);
+ return (0);
+ }
again:
- iv.iov_base = rbuf;
- iv.iov_len = fullsiz;
- io.uio_iov = &iv;
- io.uio_iovcnt = 1;
- io.uio_offset = (off_t)off;
- io.uio_resid = fullsiz;
- io.uio_segflg = UIO_SYSSPACE;
- io.uio_rw = UIO_READ;
- io.uio_procp = (struct proc *)0;
+ uio_reset(auio, off, UIO_SYSSPACE, UIO_READ);
+ uio_addiov(auio, CAST_USER_ADDR_T(rbuf), fullsiz);
eofflag = 0;
- if (cookies) {
- _FREE((caddr_t)cookies, M_TEMP);
- cookies = NULL;
- }
- if (error = vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, procp)) {
- FREE((caddr_t)rbuf, M_TEMP);
- nfsm_reply(NFSX_V3POSTOPATTR);
- nfsm_srvpostop_attr(getret, &at);
- return (0);
- }
- error = VOP_READDIR(vp, &io, cred, &eofflag, &ncookies, &cookies);
- off = (u_quad_t)io.uio_offset;
- getret = VOP_GETATTR(vp, &at, cred, procp);
- VOP_UNLOCK(vp, 0, procp);
- /*
- * See nfsrv_readdir comment above on this
- */
- if ((ncookies != 0) && !cookies && !error)
- error = NFSERR_PERM;
+ error = VNOP_READDIR(vp, auio, vnopflag, &eofflag, &nentries, &context);
+ off = uio_offset(auio);
+ nfsm_srv_vattr_init(&at, 1);
+ getret = vnode_getattr(vp, &at, &context);
if (!error)
error = getret;
if (error) {
- vrele(vp);
- if (cookies)
- _FREE((caddr_t)cookies, M_TEMP);
- _FREE((caddr_t)rbuf, M_TEMP);
+ vnode_put(vp);
+ vp = NULL;
+ FREE(rbuf, M_TEMP);
nfsm_reply(NFSX_V3POSTOPATTR);
nfsm_srvpostop_attr(getret, &at);
return (0);
}
- if (io.uio_resid) {
- siz -= io.uio_resid;
+ if (uio_resid(auio) != 0) {
+ // LP64todo - fix this
+ siz -= uio_resid(auio);
/*
* If nothing read, return eof
* rpc reply
*/
if (siz == 0) {
- vrele(vp);
+ vnode_put(vp);
+ vp = NULL;
nfsm_reply(NFSX_V3POSTOPATTR + NFSX_V3COOKIEVERF +
2 * NFSX_UNSIGNED);
nfsm_srvpostop_attr(getret, &at);
tl += 2;
*tl++ = nfs_false;
*tl = nfs_true;
- FREE((caddr_t)cookies, M_TEMP);
- FREE((caddr_t)rbuf, M_TEMP);
+ FREE(rbuf, M_TEMP);
return (0);
}
}
*/
cpos = rbuf;
cend = rbuf + siz;
- dp = (struct dirent *)cpos;
- cookiep = cookies;
-#ifdef __FreeBSD__
- /*
- * For some reason FreeBSD's ufs_readdir() chooses to back the
- * directory offset up to a block boundary, so it is necessary to
- * skip over the records that preceed the requested offset. This
- * requires the assumption that file offset cookies monotonically
- * increase.
- */
- while (cpos < cend && ncookies > 0 &&
- (dp->d_fileno == 0 || ((u_quad_t)(*cookiep)) <= toff)) {
-#else
- while (dp->d_fileno == 0 && cpos < cend && ncookies > 0) {
-#endif
+ dp = (struct direntry *)cpos;
+ while (dp->d_fileno == 0 && cpos < cend && nentries > 0) {
cpos += dp->d_reclen;
- dp = (struct dirent *)cpos;
- cookiep++;
- ncookies--;
+ dp = (struct direntry *)cpos;
+ nentries--;
}
- if (cpos >= cend || ncookies == 0) {
+ if (cpos >= cend || nentries == 0) {
toff = off;
siz = fullsiz;
goto again;
/*
* Probe one of the directory entries to see if the filesystem
- * supports VGET. See later comment for VFS_VGET changes.
+ * supports VGET.
*/
- if (vp->v_tag == VT_UFS)
- file = (void *) dp->d_fileno;
- else {
- file = &dp->d_fileno;
- }
-
- if (error = VFS_VGET(vp->v_mount, file, &nvp)) {
- if (error == EOPNOTSUPP) /* let others get passed back */
+ if ((error = VFS_VGET(vnode_mount(vp), (ino64_t)dp->d_fileno, &nvp, &context))) {
+ if (error == ENOTSUP) /* let others get passed back */
error = NFSERR_NOTSUPP;
- vrele(vp);
- _FREE((caddr_t)cookies, M_TEMP);
- _FREE((caddr_t)rbuf, M_TEMP);
+ vnode_put(vp);
+ vp = NULL;
+ FREE(rbuf, M_TEMP);
nfsm_reply(NFSX_V3POSTOPATTR);
nfsm_srvpostop_attr(getret, &at);
return (0);
}
- vput(nvp);
+ vnode_put(nvp);
dirlen = len = NFSX_V3POSTOPATTR + NFSX_V3COOKIEVERF + 2 * NFSX_UNSIGNED;
- nfsm_reply(cnt);
+ nfsm_reply(count);
nfsm_srvpostop_attr(getret, &at);
nfsm_build(tl, u_long *, 2 * NFSX_UNSIGNED);
txdr_hyper(&at.va_filerev, tl);
mp = mp2 = mb;
bp = bpos;
- be = bp + M_TRAILINGSPACE(mp);
+ be = bp + mbuf_trailingspace(mp);
/* Loop through the records and build reply */
- while (cpos < cend && ncookies > 0) {
+ while (cpos < cend && nentries > 0) {
if (dp->d_fileno != 0) {
nlen = dp->d_namlen;
rem = nfsm_rndup(nlen)-nlen;
/*
* Got to get the vnode for lookup per entry.
- * HFS+/volfs and others use address of file identifier to VGET
- * UFS, nullfs, umapfs use inode (u_int32_t)
- * until they are consistent, we must differentiate now.
- * UFS is the only one of the latter class that is exported.
- * Note this will be pulled out as we resolve the VGET issue
- * of which it should use u_in32_t or addresses.
*/
-
- if (vp->v_tag == VT_UFS)
- file = (void *) dp->d_fileno;
- else
- file = &dp->d_fileno;
-
- if (VFS_VGET(vp->v_mount, file, &nvp))
+ if (VFS_VGET(vnode_mount(vp), (ino64_t)dp->d_fileno, &nvp, &context))
goto invalid;
- bzero((caddr_t)nfhp, NFSX_V3FH);
- nfhp->fh_fsid =
- nvp->v_mount->mnt_stat.f_fsid;
- if (VFS_VPTOFH(nvp, &nfhp->fh_fid)) {
- vput(nvp);
+ isdotdot = ((dp->d_namlen == 2) &&
+ (dp->d_name[0] == '.') && (dp->d_name[1] == '.'));
+ if (nfsrv_vptofh(nx, 0, (isdotdot ? &dnfh : NULL), nvp, &context, nfhp)) {
+ // XXX file handle is optional, so we should be able to
+ // XXX return this entry without the file handle
+ vnode_put(nvp);
goto invalid;
}
- if (VOP_GETATTR(nvp, vap, cred, procp)) {
- vput(nvp);
+ nfsm_srv_vattr_init(vap, 1);
+ if (vnode_getattr(nvp, vap, &context)) {
+ // XXX attributes are optional, so we should be able to
+ // XXX return this entry without the attributes
+ vnode_put(nvp);
goto invalid;
}
- vput(nvp);
+ vnode_put(nvp);
/*
* If either the dircount or maxcount will be
* are calculated conservatively, including all
* XDR overheads.
*/
- len += (8 * NFSX_UNSIGNED + nlen + rem + NFSX_V3FH +
+ len += (8 * NFSX_UNSIGNED + nlen + rem + nfhp->nfh_len +
NFSX_V3POSTOPATTR);
dirlen += (6 * NFSX_UNSIGNED + nlen + rem);
- if (len > cnt || dirlen > fullsiz) {
+ if (len > count || dirlen > fullsiz) {
eofflag = 0;
break;
}
/*
* Build the directory record xdr from
- * the dirent entry.
+ * the direntry entry.
*/
fp = (struct nfs_fattr *)&fl.fl_fattr;
nfsm_srvfillattr(vap, fp);
- fl.fl_fhsize = txdr_unsigned(NFSX_V3FH);
+ fl.fl_fhsize = txdr_unsigned(nfhp->nfh_len);
fl.fl_fhok = nfs_true;
fl.fl_postopok = nfs_true;
- fl.fl_off.nfsuquad[0] = 0;
- fl.fl_off.nfsuquad[1] = txdr_unsigned(*cookiep);
+ if (vnopflag & VNODE_READDIR_SEEKOFF32)
+ dp->d_seekoff &= 0x00000000ffffffffULL;
+ txdr_hyper(&dp->d_seekoff, &fl.fl_off);
nfsm_clget;
*tl = nfs_true;
bp += NFSX_UNSIGNED;
+
nfsm_clget;
- *tl = 0;
+ txdr_hyper(&dp->d_fileno, &tquad);
+ *tl = tquad.nfsuquad[0];
bp += NFSX_UNSIGNED;
nfsm_clget;
- *tl = txdr_unsigned(dp->d_fileno);
+ *tl = tquad.nfsuquad[1];
bp += NFSX_UNSIGNED;
+
nfsm_clget;
*tl = txdr_unsigned(nlen);
bp += NFSX_UNSIGNED;
/*
* Now copy the flrep structure out.
*/
- xfer = sizeof (struct flrep);
+ xfer = sizeof(struct flrep) - sizeof(fl.fl_nfh) + fl.fl_fhsize;
cp = (caddr_t)&fl;
while (xfer > 0) {
nfsm_clget;
}
invalid:
cpos += dp->d_reclen;
- dp = (struct dirent *)cpos;
- cookiep++;
- ncookies--;
+ dp = (struct direntry *)cpos;
+ nentries--;
}
- vrele(vp);
+ vnode_put(vp);
+ vp = NULL;
nfsm_clget;
*tl = nfs_false;
bp += NFSX_UNSIGNED;
bp += NFSX_UNSIGNED;
if (mp != mb) {
if (bp < be)
- mp->m_len = bp - mtod(mp, caddr_t);
+ mbuf_setlen(mp, bp - (char*)mbuf_data(mp));
} else
- mp->m_len += bp - bpos;
- FREE((caddr_t)cookies, M_TEMP);
- FREE((caddr_t)rbuf, M_TEMP);
- nfsm_srvdone;
+ mbuf_setlen(mp, mbuf_len(mp) + (bp - bpos));
+ FREE(rbuf, M_TEMP);
+nfsmout:
+ if (vp)
+ vnode_put(vp);
+ return (error);
}
/*
nfsrv_commit(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- struct vattr bfor, aft;
- struct vnode *vp;
- nfsfh_t nfh;
- fhandle_t *fhp;
- register u_long *tl;
- register long t1;
+ struct vnode_attr bfor, aft;
+ vnode_t vp;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- int error = 0, rdonly, for_ret = 1, aft_ret = 1, cnt, cache;
+ int error = 0, for_ret = 1, aft_ret = 1, count;
char *cp2;
- struct mbuf *mb, *mb2, *mreq;
- u_quad_t frev, off;
- int didhold;
+ mbuf_t mb, mb2, mreq;
+ u_quad_t off;
+ struct vfs_context context;
-#ifndef nolint
- cache = 0;
-#endif
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
+ nfsm_srvmtofh(&nfh);
nfsm_dissect(tl, u_long *, 3 * NFSX_UNSIGNED);
/*
- * XXX At this time VOP_FSYNC() does not accept offset and byte
+ * XXX At this time VNOP_FSYNC() does not accept offset and byte
* count parameters, so these arguments are useless (someday maybe).
*/
fxdr_hyper(tl, &off);
tl += 2;
- cnt = fxdr_unsigned(int, *tl);
- if ((error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
+ count = fxdr_unsigned(int, *tl);
+ if ((error = nfsrv_fhtovp(&nfh, nam, TRUE, &vp, &nx, &nxo))) {
+ nfsm_reply(2 * NFSX_UNSIGNED);
+ nfsm_srvwcc_data(for_ret, &bfor, aft_ret, &aft);
+ return (0);
+ }
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
nfsm_reply(2 * NFSX_UNSIGNED);
nfsm_srvwcc_data(for_ret, &bfor, aft_ret, &aft);
return (0);
}
- for_ret = VOP_GETATTR(vp, &bfor, cred, procp);
- didhold = ubc_hold(vp);
- error = VOP_FSYNC(vp, cred, MNT_WAIT, procp);
- aft_ret = VOP_GETATTR(vp, &aft, cred, procp);
- VOP_UNLOCK(vp, 0, procp);
- if (didhold)
- ubc_rele(vp);
- vrele(vp);
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ nfsm_srv_pre_vattr_init(&bfor, 1);
+ for_ret = vnode_getattr(vp, &bfor, &context);
+ error = VNOP_FSYNC(vp, MNT_WAIT, &context);
+ nfsm_srv_vattr_init(&aft, 1);
+ aft_ret = vnode_getattr(vp, &aft, &context);
+ vnode_put(vp);
nfsm_reply(NFSX_V3WCCDATA + NFSX_V3WRITEVERF);
nfsm_srvwcc_data(for_ret, &bfor, aft_ret, &aft);
if (!error) {
nfsm_build(tl, u_long *, NFSX_V3WRITEVERF);
- *tl++ = txdr_unsigned(boottime.tv_sec);
- *tl = txdr_unsigned(boottime.tv_usec);
+ *tl++ = txdr_unsigned(boottime_sec());
+ *tl = txdr_unsigned(0);
} else
return (0);
- nfsm_srvdone;
+nfsmout:
+ return (error);
}
/*
nfsrv_statfs(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- register struct statfs *sf;
- register struct nfs_statfs *sfp;
- register u_long *tl;
- register long t1;
+ struct vfs_attr va;
+ struct nfs_statfs *sfp;
+ u_long *tl;
+ long t1;
caddr_t bpos;
- int error = 0, rdonly, cache, getret = 1;
+ int error = 0, getret = 1;
int v3 = (nfsd->nd_flag & ND_NFSV3);
char *cp2;
- struct mbuf *mb, *mb2, *mreq;
- struct vnode *vp;
- struct vattr at;
- nfsfh_t nfh;
- fhandle_t *fhp;
- struct statfs statfs;
- u_quad_t frev, tval;
+ mbuf_t mb, mb2, mreq;
+ vnode_t vp;
+ struct vnode_attr at;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ u_quad_t tval;
+ off_t blksize;
+ struct vfs_context context;
-#ifndef nolint
- cache = 0;
-#endif
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
- if ((error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
+ nfsm_srvmtofh(&nfh);
+ if ((error = nfsrv_fhtovp(&nfh, nam, TRUE, &vp, &nx, &nxo))) {
+ nfsm_reply(NFSX_UNSIGNED);
+ nfsm_srvpostop_attr(getret, &at);
+ return (0);
+ }
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
nfsm_reply(NFSX_UNSIGNED);
nfsm_srvpostop_attr(getret, &at);
return (0);
}
- sf = &statfs;
- error = VFS_STATFS(vp->v_mount, sf, procp);
- getret = VOP_GETATTR(vp, &at, cred, procp);
- vput(vp);
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ VFSATTR_INIT(&va);
+ VFSATTR_WANTED(&va, f_blocks);
+ VFSATTR_WANTED(&va, f_bavail);
+ VFSATTR_WANTED(&va, f_files);
+ VFSATTR_WANTED(&va, f_ffree);
+ error = vfs_getattr(vnode_mount(vp), &va, &context);
+ blksize = vnode_mount(vp)->mnt_vfsstat.f_bsize;
+ nfsm_srv_vattr_init(&at, v3);
+ getret = vnode_getattr(vp, &at, &context);
+ vnode_put(vp);
nfsm_reply(NFSX_POSTOPATTR(v3) + NFSX_STATFS(v3));
if (v3)
nfsm_srvpostop_attr(getret, &at);
return (0);
nfsm_build(sfp, struct nfs_statfs *, NFSX_STATFS(v3));
if (v3) {
- tval = (u_quad_t)sf->f_blocks;
- tval *= (u_quad_t)sf->f_bsize;
+ tval = (u_quad_t)(va.f_blocks * blksize);
txdr_hyper(&tval, &sfp->sf_tbytes);
- tval = (u_quad_t)sf->f_bfree;
- tval *= (u_quad_t)sf->f_bsize;
+ tval = (u_quad_t)(va.f_bfree * blksize);
txdr_hyper(&tval, &sfp->sf_fbytes);
- tval = (u_quad_t)sf->f_bavail;
- tval *= (u_quad_t)sf->f_bsize;
+ tval = (u_quad_t)(va.f_bavail * blksize);
txdr_hyper(&tval, &sfp->sf_abytes);
- sfp->sf_tfiles.nfsuquad[0] = 0;
- sfp->sf_tfiles.nfsuquad[1] = txdr_unsigned(sf->f_files);
- sfp->sf_ffiles.nfsuquad[0] = 0;
- sfp->sf_ffiles.nfsuquad[1] = txdr_unsigned(sf->f_ffree);
- sfp->sf_afiles.nfsuquad[0] = 0;
- sfp->sf_afiles.nfsuquad[1] = txdr_unsigned(sf->f_ffree);
+ txdr_hyper(&va.f_files, &sfp->sf_tfiles);
+ txdr_hyper(&va.f_ffree, &sfp->sf_ffiles);
+ txdr_hyper(&va.f_ffree, &sfp->sf_afiles);
sfp->sf_invarsec = 0;
} else {
sfp->sf_tsize = txdr_unsigned(NFS_V2MAXDATA);
- sfp->sf_bsize = txdr_unsigned(sf->f_bsize);
- sfp->sf_blocks = txdr_unsigned(sf->f_blocks);
- sfp->sf_bfree = txdr_unsigned(sf->f_bfree);
- sfp->sf_bavail = txdr_unsigned(sf->f_bavail);
+ sfp->sf_bsize = txdr_unsigned((unsigned)blksize);
+ sfp->sf_blocks = txdr_unsigned((unsigned)va.f_blocks);
+ sfp->sf_bfree = txdr_unsigned((unsigned)va.f_bfree);
+ sfp->sf_bavail = txdr_unsigned((unsigned)va.f_bavail);
}
- nfsm_srvdone;
+nfsmout:
+ return (error);
}
/*
nfsrv_fsinfo(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- register u_long *tl;
- register struct nfsv3_fsinfo *sip;
- register long t1;
+ u_long *tl;
+ struct nfsv3_fsinfo *sip;
+ long t1;
caddr_t bpos;
- int error = 0, rdonly, cache, getret = 1, pref, max;
+ int error = 0, getret = 1, prefsize, maxsize;
char *cp2;
- struct mbuf *mb, *mb2, *mreq;
- struct vnode *vp;
- struct vattr at;
- nfsfh_t nfh;
- fhandle_t *fhp;
- u_quad_t frev;
+ mbuf_t mb, mb2, mreq;
+ vnode_t vp;
+ struct vnode_attr at;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ struct vfs_context context;
-#ifndef nolint
- cache = 0;
-#endif
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
- if ((error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
+ nfsm_srvmtofh(&nfh);
+ if ((error = nfsrv_fhtovp(&nfh, nam, TRUE, &vp, &nx, &nxo))) {
+ nfsm_reply(NFSX_UNSIGNED);
+ nfsm_srvpostop_attr(getret, &at);
+ return (0);
+ }
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
nfsm_reply(NFSX_UNSIGNED);
nfsm_srvpostop_attr(getret, &at);
return (0);
}
- getret = VOP_GETATTR(vp, &at, cred, procp);
- vput(vp);
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ nfsm_srv_vattr_init(&at, 1);
+ getret = vnode_getattr(vp, &at, &context);
+ vnode_put(vp);
nfsm_reply(NFSX_V3POSTOPATTR + NFSX_V3FSINFO);
nfsm_srvpostop_attr(getret, &at);
nfsm_build(sip, struct nfsv3_fsinfo *, NFSX_V3FSINFO);
* There should be file system VFS OP(s) to get this information.
* For now, assume our usual NFS defaults.
*/
- if (slp->ns_so->so_type == SOCK_DGRAM)
- max = pref = NFS_MAXDGRAMDATA;
- else
- max = pref = NFS_MAXDATA;
- sip->fs_rtmax = txdr_unsigned(max);
- sip->fs_rtpref = txdr_unsigned(pref);
+ if (slp->ns_sotype == SOCK_DGRAM) {
+ maxsize = NFS_MAXDGRAMDATA;
+ prefsize = NFS_PREFDGRAMDATA;
+ } else
+ maxsize = prefsize = NFS_MAXDATA;
+ sip->fs_rtmax = txdr_unsigned(maxsize);
+ sip->fs_rtpref = txdr_unsigned(prefsize);
sip->fs_rtmult = txdr_unsigned(NFS_FABLKSIZE);
- sip->fs_wtmax = txdr_unsigned(max);
- sip->fs_wtpref = txdr_unsigned(pref);
+ sip->fs_wtmax = txdr_unsigned(maxsize);
+ sip->fs_wtpref = txdr_unsigned(prefsize);
sip->fs_wtmult = txdr_unsigned(NFS_FABLKSIZE);
- sip->fs_dtpref = txdr_unsigned(pref);
+ sip->fs_dtpref = txdr_unsigned(prefsize);
sip->fs_maxfilesize.nfsuquad[0] = 0xffffffff;
sip->fs_maxfilesize.nfsuquad[1] = 0xffffffff;
sip->fs_timedelta.nfsv3_sec = 0;
sip->fs_properties = txdr_unsigned(NFSV3FSINFO_LINK |
NFSV3FSINFO_SYMLINK | NFSV3FSINFO_HOMOGENEOUS |
NFSV3FSINFO_CANSETTIME);
- nfsm_srvdone;
+nfsmout:
+ return (error);
}
/*
nfsrv_pathconf(nfsd, slp, procp, mrq)
struct nfsrv_descript *nfsd;
struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+ proc_t procp;
+ mbuf_t *mrq;
{
- struct mbuf *mrep = nfsd->nd_mrep, *md = nfsd->nd_md;
- struct mbuf *nam = nfsd->nd_nam;
+ mbuf_t mrep = nfsd->nd_mrep, md = nfsd->nd_md;
+ mbuf_t nam = nfsd->nd_nam;
caddr_t dpos = nfsd->nd_dpos;
- struct ucred *cred = &nfsd->nd_cr;
- register u_long *tl;
- register struct nfsv3_pathconf *pc;
- register long t1;
+ u_long *tl;
+ struct nfsv3_pathconf *pc;
+ long t1;
caddr_t bpos;
- int error = 0, rdonly, cache, getret = 1, linkmax, namemax;
+ int error = 0, getret = 1, linkmax, namemax;
int chownres, notrunc, case_sensitive, case_preserving;
char *cp2;
- struct mbuf *mb, *mb2, *mreq;
- struct vnode *vp;
- struct vattr at;
- nfsfh_t nfh;
- fhandle_t *fhp;
- u_quad_t frev;
+ mbuf_t mb, mb2, mreq;
+ vnode_t vp;
+ struct vnode_attr at;
+ struct nfs_filehandle nfh;
+ struct nfs_export *nx;
+ struct nfs_export_options *nxo;
+ struct vfs_context context;
-#ifndef nolint
- cache = 0;
-#endif
- fhp = &nfh.fh_generic;
- nfsm_srvmtofh(fhp);
- if ((error = nfsrv_fhtovp(fhp, 1, &vp, cred, slp, nam,
- &rdonly, (nfsd->nd_flag & ND_KERBAUTH), TRUE))) {
+ nfsm_srvmtofh(&nfh);
+ if ((error = nfsrv_fhtovp(&nfh, nam, TRUE, &vp, &nx, &nxo))) {
+ nfsm_reply(NFSX_UNSIGNED);
+ nfsm_srvpostop_attr(getret, &at);
+ return (0);
+ }
+ if ((error = nfsrv_credcheck(nfsd, nx, nxo))) {
+ vnode_put(vp);
nfsm_reply(NFSX_UNSIGNED);
nfsm_srvpostop_attr(getret, &at);
return (0);
}
- error = VOP_PATHCONF(vp, _PC_LINK_MAX, &linkmax);
+ context.vc_proc = procp;
+ context.vc_ucred = nfsd->nd_cr;
+
+ error = VNOP_PATHCONF(vp, _PC_LINK_MAX, &linkmax, &context);
if (!error)
- error = VOP_PATHCONF(vp, _PC_NAME_MAX, &namemax);
+ error = VNOP_PATHCONF(vp, _PC_NAME_MAX, &namemax, &context);
if (!error)
- error = VOP_PATHCONF(vp, _PC_CHOWN_RESTRICTED, &chownres);
+ error = VNOP_PATHCONF(vp, _PC_CHOWN_RESTRICTED, &chownres, &context);
if (!error)
- error = VOP_PATHCONF(vp, _PC_NO_TRUNC, ¬runc);
+ error = VNOP_PATHCONF(vp, _PC_NO_TRUNC, ¬runc, &context);
if (!error)
- error = VOP_PATHCONF(vp, _PC_CASE_SENSITIVE, &case_sensitive);
+ error = VNOP_PATHCONF(vp, _PC_CASE_SENSITIVE, &case_sensitive, &context);
if (!error)
- error = VOP_PATHCONF(vp, _PC_CASE_PRESERVING, &case_preserving);
- getret = VOP_GETATTR(vp, &at, cred, procp);
- vput(vp);
+ error = VNOP_PATHCONF(vp, _PC_CASE_PRESERVING, &case_preserving, &context);
+ nfsm_srv_vattr_init(&at, 1);
+ getret = vnode_getattr(vp, &at, &context);
+ vnode_put(vp);
nfsm_reply(NFSX_V3POSTOPATTR + NFSX_V3PATHCONF);
nfsm_srvpostop_attr(getret, &at);
if (error)
pc->pc_caseinsensitive = txdr_unsigned(!case_sensitive);
pc->pc_casepreserving = txdr_unsigned(case_preserving);
- nfsm_srvdone;
+nfsmout:
+ return (error);
}
/*
*/
/* ARGSUSED */
int
-nfsrv_null(nfsd, slp, procp, mrq)
- struct nfsrv_descript *nfsd;
- struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+nfsrv_null(
+ struct nfsrv_descript *nfsd,
+ struct nfssvc_sock *slp,
+ __unused proc_t procp,
+ mbuf_t *mrq)
{
- struct mbuf *mrep = nfsd->nd_mrep;
+ mbuf_t mrep = nfsd->nd_mrep;
caddr_t bpos;
- int error = NFSERR_RETVOID, cache;
- struct mbuf *mb, *mreq;
- u_quad_t frev;
+ int error = NFSERR_RETVOID;
+ mbuf_t mb, mreq;
-#ifndef nolint
- cache = 0;
-#endif
nfsm_reply(0);
+nfsmout:
return (0);
}
*/
/* ARGSUSED */
int
-nfsrv_noop(nfsd, slp, procp, mrq)
- struct nfsrv_descript *nfsd;
- struct nfssvc_sock *slp;
- struct proc *procp;
- struct mbuf **mrq;
+nfsrv_noop(
+ struct nfsrv_descript *nfsd,
+ struct nfssvc_sock *slp,
+ __unused proc_t procp,
+ mbuf_t *mrq)
{
- struct mbuf *mrep = nfsd->nd_mrep;
+ mbuf_t mrep = nfsd->nd_mrep;
caddr_t bpos;
- int error, cache;
- struct mbuf *mb, *mreq;
- u_quad_t frev;
+ int error;
+ mbuf_t mb, mreq;
-#ifndef nolint
- cache = 0;
-#endif
if (nfsd->nd_repstat)
error = nfsd->nd_repstat;
else
error = EPROCUNAVAIL;
nfsm_reply(0);
+nfsmout:
return (0);
}
/*
* Perform access checking for vnodes obtained from file handles that would
* refer to files already opened by a Unix client. You cannot just use
- * vn_writechk() and VOP_ACCESS() for two reasons.
+ * vnode_authorize() for two reasons.
* 1 - You must check for exported rdonly as well as MNT_RDONLY for the write case
* 2 - The owner is to be given access irrespective of mode bits so that
* 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, VOP_ACCESS()
+ *
+ * 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.
*/
static int
-nfsrv_access(vp, flags, cred, rdonly, p, override)
- register struct vnode *vp;
- int flags;
- register struct ucred *cred;
- int rdonly;
- struct proc *p;
- int override;
+nfsrv_authorize(
+ vnode_t vp,
+ vnode_t dvp,
+ kauth_action_t action,
+ vfs_context_t context,
+ struct nfs_export_options *nxo,
+ int override)
{
- struct vattr vattr;
+ struct vnode_attr vattr;
int error;
- if (flags & VWRITE) {
- /* Just vn_writechk() changed to check rdonly */
+
+ if (action & KAUTH_VNODE_WRITE_RIGHTS) {
/*
- * Disallow write attempts on read-only file systems;
+ * Disallow write attempts on read-only exports;
* unless the file is a socket or a block or character
* device resident on the file system.
*/
- if (rdonly || (vp->v_mount->mnt_flag & MNT_RDONLY)) {
- switch (vp->v_type) {
+ if (nxo->nxo_flags & NX_READONLY) {
+ switch (vnode_vtype(vp)) {
case VREG: case VDIR: case VLNK: case VCPLX:
return (EROFS);
+ default:
+ break;
}
}
- /*
- * If there's shared text associated with
- * the inode, we can't allow writing.
- */
- if (vp->v_flag & VTEXT)
- return (ETXTBSY);
}
- if ((error = VOP_GETATTR(vp, &vattr, cred, p)))
- return (error);
- error = VOP_ACCESS(vp, flags, cred, p);
+ error = vnode_authorize(vp, dvp, action, context);
/*
* Allow certain operations for the owner (reads and writes
* on files that are already open). Picking up from FreeBSD.
*/
- if (override && error == EACCES && cred->cr_uid == vattr.va_uid)
- error = 0;
+ if (override && (error == EACCES)) {
+ VATTR_INIT(&vattr);
+ VATTR_WANTED(&vattr, va_uid);
+ if ((vnode_getattr(vp, &vattr, context) == 0) &&
+ (kauth_cred_getuid(vfs_context_ucred(context)) == vattr.va_uid))
+ error = 0;
+ }
return error;
}
#endif /* NFS_NOSERVER */
projects / apple / xnu.git / blobdiff