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v4.6
 
  1/*
  2 * Process version 2 NFSACL requests.
  3 *
  4 * Copyright (C) 2002-2003 Andreas Gruenbacher <agruen@suse.de>
  5 */
  6
  7#include "nfsd.h"
  8/* FIXME: nfsacl.h is a broken header */
  9#include <linux/nfsacl.h>
 10#include <linux/gfp.h>
 11#include "cache.h"
 12#include "xdr3.h"
 13#include "vfs.h"
 14
 15#define NFSDDBG_FACILITY		NFSDDBG_PROC
 16#define RETURN_STATUS(st)	{ resp->status = (st); return (st); }
 17
 18/*
 19 * NULL call.
 20 */
 21static __be32
 22nfsacld_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
 23{
 24	return nfs_ok;
 25}
 26
 27/*
 28 * Get the Access and/or Default ACL of a file.
 29 */
 30static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp,
 31		struct nfsd3_getaclargs *argp, struct nfsd3_getaclres *resp)
 32{
 
 
 33	struct posix_acl *acl;
 34	struct inode *inode;
 35	svc_fh *fh;
 36	__be32 nfserr = 0;
 37
 38	dprintk("nfsd: GETACL(2acl)   %s\n", SVCFH_fmt(&argp->fh));
 39
 40	fh = fh_copy(&resp->fh, &argp->fh);
 41	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
 42	if (nfserr)
 43		RETURN_STATUS(nfserr);
 44
 45	inode = d_inode(fh->fh_dentry);
 46
 47	if (argp->mask & ~NFS_ACL_MASK)
 48		RETURN_STATUS(nfserr_inval);
 
 
 49	resp->mask = argp->mask;
 50
 51	nfserr = fh_getattr(fh, &resp->stat);
 52	if (nfserr)
 53		RETURN_STATUS(nfserr);
 54
 55	if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
 56		acl = get_acl(inode, ACL_TYPE_ACCESS);
 57		if (acl == NULL) {
 58			/* Solaris returns the inode's minimum ACL. */
 59			acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
 60		}
 61		if (IS_ERR(acl)) {
 62			nfserr = nfserrno(PTR_ERR(acl));
 63			goto fail;
 64		}
 65		resp->acl_access = acl;
 66	}
 67	if (resp->mask & (NFS_DFACL|NFS_DFACLCNT)) {
 68		/* Check how Solaris handles requests for the Default ACL
 69		   of a non-directory! */
 70		acl = get_acl(inode, ACL_TYPE_DEFAULT);
 71		if (IS_ERR(acl)) {
 72			nfserr = nfserrno(PTR_ERR(acl));
 73			goto fail;
 74		}
 75		resp->acl_default = acl;
 76	}
 77
 78	/* resp->acl_{access,default} are released in nfssvc_release_getacl. */
 79	RETURN_STATUS(0);
 
 80
 81fail:
 82	posix_acl_release(resp->acl_access);
 83	posix_acl_release(resp->acl_default);
 84	RETURN_STATUS(nfserr);
 
 
 85}
 86
 87/*
 88 * Set the Access and/or Default ACL of a file.
 89 */
 90static __be32 nfsacld_proc_setacl(struct svc_rqst * rqstp,
 91		struct nfsd3_setaclargs *argp,
 92		struct nfsd_attrstat *resp)
 93{
 
 
 94	struct inode *inode;
 95	svc_fh *fh;
 96	__be32 nfserr = 0;
 97	int error;
 98
 99	dprintk("nfsd: SETACL(2acl)   %s\n", SVCFH_fmt(&argp->fh));
100
101	fh = fh_copy(&resp->fh, &argp->fh);
102	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
103	if (nfserr)
104		goto out;
105
106	inode = d_inode(fh->fh_dentry);
107	if (!IS_POSIXACL(inode) || !inode->i_op->set_acl) {
108		error = -EOPNOTSUPP;
109		goto out_errno;
110	}
111
112	error = fh_want_write(fh);
113	if (error)
114		goto out_errno;
115
116	error = inode->i_op->set_acl(inode, argp->acl_access, ACL_TYPE_ACCESS);
 
 
 
117	if (error)
118		goto out_drop_write;
119	error = inode->i_op->set_acl(inode, argp->acl_default,
120				     ACL_TYPE_DEFAULT);
121	if (error)
122		goto out_drop_write;
 
 
123
124	fh_drop_write(fh);
125
126	nfserr = fh_getattr(fh, &resp->stat);
127
128out:
129	/* argp->acl_{access,default} may have been allocated in
130	   nfssvc_decode_setaclargs. */
131	posix_acl_release(argp->acl_access);
132	posix_acl_release(argp->acl_default);
133	return nfserr;
134out_drop_write:
 
 
135	fh_drop_write(fh);
136out_errno:
137	nfserr = nfserrno(error);
138	goto out;
139}
140
141/*
142 * Check file attributes
143 */
144static __be32 nfsacld_proc_getattr(struct svc_rqst * rqstp,
145		struct nfsd_fhandle *argp, struct nfsd_attrstat *resp)
146{
147	__be32 nfserr;
 
 
148	dprintk("nfsd: GETATTR  %s\n", SVCFH_fmt(&argp->fh));
149
150	fh_copy(&resp->fh, &argp->fh);
151	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
152	if (nfserr)
153		return nfserr;
154	nfserr = fh_getattr(&resp->fh, &resp->stat);
155	return nfserr;
 
156}
157
158/*
159 * Check file access
160 */
161static __be32 nfsacld_proc_access(struct svc_rqst *rqstp, struct nfsd3_accessargs *argp,
162		struct nfsd3_accessres *resp)
163{
164	__be32 nfserr;
 
165
166	dprintk("nfsd: ACCESS(2acl)   %s 0x%x\n",
167			SVCFH_fmt(&argp->fh),
168			argp->access);
169
170	fh_copy(&resp->fh, &argp->fh);
171	resp->access = argp->access;
172	nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
173	if (nfserr)
174		return nfserr;
175	nfserr = fh_getattr(&resp->fh, &resp->stat);
176	return nfserr;
 
177}
178
179/*
180 * XDR decode functions
181 */
182static int nfsaclsvc_decode_getaclargs(struct svc_rqst *rqstp, __be32 *p,
183		struct nfsd3_getaclargs *argp)
 
184{
185	p = nfs2svc_decode_fh(p, &argp->fh);
186	if (!p)
187		return 0;
188	argp->mask = ntohl(*p); p++;
189
190	return xdr_argsize_check(rqstp, p);
191}
 
 
192
 
 
193
194static int nfsaclsvc_decode_setaclargs(struct svc_rqst *rqstp, __be32 *p,
195		struct nfsd3_setaclargs *argp)
196{
197	struct kvec *head = rqstp->rq_arg.head;
198	unsigned int base;
199	int n;
200
201	p = nfs2svc_decode_fh(p, &argp->fh);
202	if (!p)
203		return 0;
204	argp->mask = ntohl(*p++);
205	if (argp->mask & ~NFS_ACL_MASK ||
206	    !xdr_argsize_check(rqstp, p))
207		return 0;
 
 
 
 
 
208
209	base = (char *)p - (char *)head->iov_base;
210	n = nfsacl_decode(&rqstp->rq_arg, base, NULL,
211			  (argp->mask & NFS_ACL) ?
212			  &argp->acl_access : NULL);
213	if (n > 0)
214		n = nfsacl_decode(&rqstp->rq_arg, base + n, NULL,
215				  (argp->mask & NFS_DFACL) ?
216				  &argp->acl_default : NULL);
217	return (n > 0);
218}
219
220static int nfsaclsvc_decode_fhandleargs(struct svc_rqst *rqstp, __be32 *p,
221		struct nfsd_fhandle *argp)
222{
223	p = nfs2svc_decode_fh(p, &argp->fh);
224	if (!p)
225		return 0;
226	return xdr_argsize_check(rqstp, p);
227}
228
229static int nfsaclsvc_decode_accessargs(struct svc_rqst *rqstp, __be32 *p,
230		struct nfsd3_accessargs *argp)
231{
232	p = nfs2svc_decode_fh(p, &argp->fh);
233	if (!p)
234		return 0;
235	argp->access = ntohl(*p++);
236
237	return xdr_argsize_check(rqstp, p);
238}
239
240/*
241 * XDR encode functions
242 */
243
244/*
245 * There must be an encoding function for void results so svc_process
246 * will work properly.
247 */
248static int nfsaclsvc_encode_voidres(struct svc_rqst *rqstp, __be32 *p, void *dummy)
249{
250	return xdr_ressize_check(rqstp, p);
251}
252
253/* GETACL */
254static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
255		struct nfsd3_getaclres *resp)
256{
 
257	struct dentry *dentry = resp->fh.fh_dentry;
258	struct inode *inode;
259	struct kvec *head = rqstp->rq_res.head;
260	unsigned int base;
261	int n;
262	int w;
263
264	/*
265	 * Since this is version 2, the check for nfserr in
266	 * nfsd_dispatch actually ensures the following cannot happen.
267	 * However, it seems fragile to depend on that.
268	 */
269	if (dentry == NULL || d_really_is_negative(dentry))
270		return 0;
271	inode = d_inode(dentry);
272
273	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
274	*p++ = htonl(resp->mask);
275	if (!xdr_ressize_check(rqstp, p))
276		return 0;
277	base = (char *)p - (char *)head->iov_base;
278
279	rqstp->rq_res.page_len = w = nfsacl_size(
280		(resp->mask & NFS_ACL)   ? resp->acl_access  : NULL,
281		(resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
282	while (w > 0) {
283		if (!*(rqstp->rq_next_page++))
284			return 0;
285		w -= PAGE_SIZE;
286	}
287
288	n = nfsacl_encode(&rqstp->rq_res, base, inode,
289			  resp->acl_access,
290			  resp->mask & NFS_ACL, 0);
291	if (n > 0)
292		n = nfsacl_encode(&rqstp->rq_res, base + n, inode,
293				  resp->acl_default,
294				  resp->mask & NFS_DFACL,
295				  NFS_ACL_DEFAULT);
296	return (n > 0);
297}
298
299static int nfsaclsvc_encode_attrstatres(struct svc_rqst *rqstp, __be32 *p,
300		struct nfsd_attrstat *resp)
301{
302	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
303	return xdr_ressize_check(rqstp, p);
304}
305
306/* ACCESS */
307static int nfsaclsvc_encode_accessres(struct svc_rqst *rqstp, __be32 *p,
308		struct nfsd3_accessres *resp)
309{
310	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
311	*p++ = htonl(resp->access);
312	return xdr_ressize_check(rqstp, p);
 
 
 
 
 
 
 
 
 
 
 
313}
314
315/*
316 * XDR release functions
317 */
318static int nfsaclsvc_release_getacl(struct svc_rqst *rqstp, __be32 *p,
319		struct nfsd3_getaclres *resp)
320{
 
 
321	fh_put(&resp->fh);
322	posix_acl_release(resp->acl_access);
323	posix_acl_release(resp->acl_default);
324	return 1;
325}
326
327static int nfsaclsvc_release_attrstat(struct svc_rqst *rqstp, __be32 *p,
328		struct nfsd_attrstat *resp)
329{
330	fh_put(&resp->fh);
331	return 1;
332}
333
334static int nfsaclsvc_release_access(struct svc_rqst *rqstp, __be32 *p,
335               struct nfsd3_accessres *resp)
336{
337       fh_put(&resp->fh);
338       return 1;
339}
340
341#define nfsaclsvc_decode_voidargs	NULL
342#define nfsaclsvc_release_void		NULL
343#define nfsd3_fhandleargs	nfsd_fhandle
344#define nfsd3_attrstatres	nfsd_attrstat
345#define nfsd3_voidres		nfsd3_voidargs
346struct nfsd3_voidargs { int dummy; };
347
348#define PROC(name, argt, rest, relt, cache, respsize)	\
349 { (svc_procfunc) nfsacld_proc_##name,		\
350   (kxdrproc_t) nfsaclsvc_decode_##argt##args,	\
351   (kxdrproc_t) nfsaclsvc_encode_##rest##res,	\
352   (kxdrproc_t) nfsaclsvc_release_##relt,		\
353   sizeof(struct nfsd3_##argt##args),		\
354   sizeof(struct nfsd3_##rest##res),		\
355   0,						\
356   cache,					\
357   respsize,					\
358 }
359
360#define ST 1		/* status*/
361#define AT 21		/* attributes */
362#define pAT (1+AT)	/* post attributes - conditional */
363#define ACL (1+NFS_ACL_MAX_ENTRIES*3)  /* Access Control List */
364
365static struct svc_procedure		nfsd_acl_procedures2[] = {
366  PROC(null,	void,		void,		void,	  RC_NOCACHE, ST),
367  PROC(getacl,	getacl,		getacl,		getacl,	  RC_NOCACHE, ST+1+2*(1+ACL)),
368  PROC(setacl,	setacl,		attrstat,	attrstat, RC_NOCACHE, ST+AT),
369  PROC(getattr, fhandle,	attrstat,	attrstat, RC_NOCACHE, ST+AT),
370  PROC(access,	access,		access,		access,   RC_NOCACHE, ST+AT+1),
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
371};
372
373struct svc_version	nfsd_acl_version2 = {
374		.vs_vers	= 2,
375		.vs_nproc	= 5,
376		.vs_proc	= nfsd_acl_procedures2,
377		.vs_dispatch	= nfsd_dispatch,
378		.vs_xdrsize	= NFS3_SVC_XDRSIZE,
379		.vs_hidden	= 0,
 
 
380};
v6.13.7
  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Process version 2 NFSACL requests.
  4 *
  5 * Copyright (C) 2002-2003 Andreas Gruenbacher <agruen@suse.de>
  6 */
  7
  8#include "nfsd.h"
  9/* FIXME: nfsacl.h is a broken header */
 10#include <linux/nfsacl.h>
 11#include <linux/gfp.h>
 12#include "cache.h"
 13#include "xdr3.h"
 14#include "vfs.h"
 15
 16#define NFSDDBG_FACILITY		NFSDDBG_PROC
 
 17
 18/*
 19 * NULL call.
 20 */
 21static __be32
 22nfsacld_proc_null(struct svc_rqst *rqstp)
 23{
 24	return rpc_success;
 25}
 26
 27/*
 28 * Get the Access and/or Default ACL of a file.
 29 */
 30static __be32 nfsacld_proc_getacl(struct svc_rqst *rqstp)
 
 31{
 32	struct nfsd3_getaclargs *argp = rqstp->rq_argp;
 33	struct nfsd3_getaclres *resp = rqstp->rq_resp;
 34	struct posix_acl *acl;
 35	struct inode *inode;
 36	svc_fh *fh;
 
 37
 38	dprintk("nfsd: GETACL(2acl)   %s\n", SVCFH_fmt(&argp->fh));
 39
 40	fh = fh_copy(&resp->fh, &argp->fh);
 41	resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
 42	if (resp->status != nfs_ok)
 43		goto out;
 44
 45	inode = d_inode(fh->fh_dentry);
 46
 47	if (argp->mask & ~NFS_ACL_MASK) {
 48		resp->status = nfserr_inval;
 49		goto out;
 50	}
 51	resp->mask = argp->mask;
 52
 53	resp->status = fh_getattr(fh, &resp->stat);
 54	if (resp->status != nfs_ok)
 55		goto out;
 56
 57	if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
 58		acl = get_inode_acl(inode, ACL_TYPE_ACCESS);
 59		if (acl == NULL) {
 60			/* Solaris returns the inode's minimum ACL. */
 61			acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
 62		}
 63		if (IS_ERR(acl)) {
 64			resp->status = nfserrno(PTR_ERR(acl));
 65			goto fail;
 66		}
 67		resp->acl_access = acl;
 68	}
 69	if (resp->mask & (NFS_DFACL|NFS_DFACLCNT)) {
 70		/* Check how Solaris handles requests for the Default ACL
 71		   of a non-directory! */
 72		acl = get_inode_acl(inode, ACL_TYPE_DEFAULT);
 73		if (IS_ERR(acl)) {
 74			resp->status = nfserrno(PTR_ERR(acl));
 75			goto fail;
 76		}
 77		resp->acl_default = acl;
 78	}
 79
 80	/* resp->acl_{access,default} are released in nfssvc_release_getacl. */
 81out:
 82	return rpc_success;
 83
 84fail:
 85	posix_acl_release(resp->acl_access);
 86	posix_acl_release(resp->acl_default);
 87	resp->acl_access = NULL;
 88	resp->acl_default = NULL;
 89	goto out;
 90}
 91
 92/*
 93 * Set the Access and/or Default ACL of a file.
 94 */
 95static __be32 nfsacld_proc_setacl(struct svc_rqst *rqstp)
 
 
 96{
 97	struct nfsd3_setaclargs *argp = rqstp->rq_argp;
 98	struct nfsd_attrstat *resp = rqstp->rq_resp;
 99	struct inode *inode;
100	svc_fh *fh;
 
101	int error;
102
103	dprintk("nfsd: SETACL(2acl)   %s\n", SVCFH_fmt(&argp->fh));
104
105	fh = fh_copy(&resp->fh, &argp->fh);
106	resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
107	if (resp->status != nfs_ok)
108		goto out;
109
110	inode = d_inode(fh->fh_dentry);
 
 
 
 
111
112	error = fh_want_write(fh);
113	if (error)
114		goto out_errno;
115
116	inode_lock(inode);
117
118	error = set_posix_acl(&nop_mnt_idmap, fh->fh_dentry, ACL_TYPE_ACCESS,
119			      argp->acl_access);
120	if (error)
121		goto out_drop_lock;
122	error = set_posix_acl(&nop_mnt_idmap, fh->fh_dentry, ACL_TYPE_DEFAULT,
123			      argp->acl_default);
124	if (error)
125		goto out_drop_lock;
126
127	inode_unlock(inode);
128
129	fh_drop_write(fh);
130
131	resp->status = fh_getattr(fh, &resp->stat);
132
133out:
134	/* argp->acl_{access,default} may have been allocated in
135	   nfssvc_decode_setaclargs. */
136	posix_acl_release(argp->acl_access);
137	posix_acl_release(argp->acl_default);
138	return rpc_success;
139
140out_drop_lock:
141	inode_unlock(inode);
142	fh_drop_write(fh);
143out_errno:
144	resp->status = nfserrno(error);
145	goto out;
146}
147
148/*
149 * Check file attributes
150 */
151static __be32 nfsacld_proc_getattr(struct svc_rqst *rqstp)
 
152{
153	struct nfsd_fhandle *argp = rqstp->rq_argp;
154	struct nfsd_attrstat *resp = rqstp->rq_resp;
155
156	dprintk("nfsd: GETATTR  %s\n", SVCFH_fmt(&argp->fh));
157
158	fh_copy(&resp->fh, &argp->fh);
159	resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
160	if (resp->status != nfs_ok)
161		goto out;
162	resp->status = fh_getattr(&resp->fh, &resp->stat);
163out:
164	return rpc_success;
165}
166
167/*
168 * Check file access
169 */
170static __be32 nfsacld_proc_access(struct svc_rqst *rqstp)
 
171{
172	struct nfsd3_accessargs *argp = rqstp->rq_argp;
173	struct nfsd3_accessres *resp = rqstp->rq_resp;
174
175	dprintk("nfsd: ACCESS(2acl)   %s 0x%x\n",
176			SVCFH_fmt(&argp->fh),
177			argp->access);
178
179	fh_copy(&resp->fh, &argp->fh);
180	resp->access = argp->access;
181	resp->status = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
182	if (resp->status != nfs_ok)
183		goto out;
184	resp->status = fh_getattr(&resp->fh, &resp->stat);
185out:
186	return rpc_success;
187}
188
189/*
190 * XDR decode functions
191 */
192
193static bool
194nfsaclsvc_decode_getaclargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
195{
196	struct nfsd3_getaclargs *argp = rqstp->rq_argp;
 
 
 
197
198	if (!svcxdr_decode_fhandle(xdr, &argp->fh))
199		return false;
200	if (xdr_stream_decode_u32(xdr, &argp->mask) < 0)
201		return false;
202
203	return true;
204}
205
206static bool
207nfsaclsvc_decode_setaclargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
208{
209	struct nfsd3_setaclargs *argp = rqstp->rq_argp;
 
 
210
211	if (!svcxdr_decode_fhandle(xdr, &argp->fh))
212		return false;
213	if (xdr_stream_decode_u32(xdr, &argp->mask) < 0)
214		return false;
215	if (argp->mask & ~NFS_ACL_MASK)
216		return false;
217	if (!nfs_stream_decode_acl(xdr, NULL, (argp->mask & NFS_ACL) ?
218				   &argp->acl_access : NULL))
219		return false;
220	if (!nfs_stream_decode_acl(xdr, NULL, (argp->mask & NFS_DFACL) ?
221				   &argp->acl_default : NULL))
222		return false;
223
224	return true;
 
 
 
 
 
 
 
 
225}
226
227static bool
228nfsaclsvc_decode_accessargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
229{
230	struct nfsd3_accessargs *args = rqstp->rq_argp;
 
 
 
 
231
232	if (!svcxdr_decode_fhandle(xdr, &args->fh))
233		return false;
234	if (xdr_stream_decode_u32(xdr, &args->access) < 0)
235		return false;
 
 
 
236
237	return true;
238}
239
240/*
241 * XDR encode functions
242 */
243
 
 
 
 
 
 
 
 
 
244/* GETACL */
245static bool
246nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, struct xdr_stream *xdr)
247{
248	struct nfsd3_getaclres *resp = rqstp->rq_resp;
249	struct dentry *dentry = resp->fh.fh_dentry;
250	struct inode *inode;
251
252	if (!svcxdr_encode_stat(xdr, resp->status))
253		return false;
254
 
 
 
 
 
 
255	if (dentry == NULL || d_really_is_negative(dentry))
256		return true;
257	inode = d_inode(dentry);
258
259	if (!svcxdr_encode_fattr(rqstp, xdr, &resp->fh, &resp->stat))
260		return false;
261	if (xdr_stream_encode_u32(xdr, resp->mask) < 0)
262		return false;
263
264	if (!nfs_stream_encode_acl(xdr, inode, resp->acl_access,
265				   resp->mask & NFS_ACL, 0))
266		return false;
267	if (!nfs_stream_encode_acl(xdr, inode, resp->acl_default,
268				   resp->mask & NFS_DFACL, NFS_ACL_DEFAULT))
269		return false;
 
 
 
270
271	return true;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
272}
273
274/* ACCESS */
275static bool
276nfsaclsvc_encode_accessres(struct svc_rqst *rqstp, struct xdr_stream *xdr)
277{
278	struct nfsd3_accessres *resp = rqstp->rq_resp;
279
280	if (!svcxdr_encode_stat(xdr, resp->status))
281		return false;
282	switch (resp->status) {
283	case nfs_ok:
284		if (!svcxdr_encode_fattr(rqstp, xdr, &resp->fh, &resp->stat))
285			return false;
286		if (xdr_stream_encode_u32(xdr, resp->access) < 0)
287			return false;
288		break;
289	}
290
291	return true;
292}
293
294/*
295 * XDR release functions
296 */
297static void nfsaclsvc_release_getacl(struct svc_rqst *rqstp)
 
298{
299	struct nfsd3_getaclres *resp = rqstp->rq_resp;
300
301	fh_put(&resp->fh);
302	posix_acl_release(resp->acl_access);
303	posix_acl_release(resp->acl_default);
 
304}
305
306static void nfsaclsvc_release_access(struct svc_rqst *rqstp)
 
307{
308	struct nfsd3_accessres *resp = rqstp->rq_resp;
 
 
309
310	fh_put(&resp->fh);
 
 
 
 
311}
312
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
313#define ST 1		/* status*/
314#define AT 21		/* attributes */
315#define pAT (1+AT)	/* post attributes - conditional */
316#define ACL (1+NFS_ACL_MAX_ENTRIES*3)  /* Access Control List */
317
318static const struct svc_procedure nfsd_acl_procedures2[5] = {
319	[ACLPROC2_NULL] = {
320		.pc_func = nfsacld_proc_null,
321		.pc_decode = nfssvc_decode_voidarg,
322		.pc_encode = nfssvc_encode_voidres,
323		.pc_argsize = sizeof(struct nfsd_voidargs),
324		.pc_argzero = sizeof(struct nfsd_voidargs),
325		.pc_ressize = sizeof(struct nfsd_voidres),
326		.pc_cachetype = RC_NOCACHE,
327		.pc_xdrressize = ST,
328		.pc_name = "NULL",
329	},
330	[ACLPROC2_GETACL] = {
331		.pc_func = nfsacld_proc_getacl,
332		.pc_decode = nfsaclsvc_decode_getaclargs,
333		.pc_encode = nfsaclsvc_encode_getaclres,
334		.pc_release = nfsaclsvc_release_getacl,
335		.pc_argsize = sizeof(struct nfsd3_getaclargs),
336		.pc_argzero = sizeof(struct nfsd3_getaclargs),
337		.pc_ressize = sizeof(struct nfsd3_getaclres),
338		.pc_cachetype = RC_NOCACHE,
339		.pc_xdrressize = ST+1+2*(1+ACL),
340		.pc_name = "GETACL",
341	},
342	[ACLPROC2_SETACL] = {
343		.pc_func = nfsacld_proc_setacl,
344		.pc_decode = nfsaclsvc_decode_setaclargs,
345		.pc_encode = nfssvc_encode_attrstatres,
346		.pc_release = nfssvc_release_attrstat,
347		.pc_argsize = sizeof(struct nfsd3_setaclargs),
348		.pc_argzero = sizeof(struct nfsd3_setaclargs),
349		.pc_ressize = sizeof(struct nfsd_attrstat),
350		.pc_cachetype = RC_NOCACHE,
351		.pc_xdrressize = ST+AT,
352		.pc_name = "SETACL",
353	},
354	[ACLPROC2_GETATTR] = {
355		.pc_func = nfsacld_proc_getattr,
356		.pc_decode = nfssvc_decode_fhandleargs,
357		.pc_encode = nfssvc_encode_attrstatres,
358		.pc_release = nfssvc_release_attrstat,
359		.pc_argsize = sizeof(struct nfsd_fhandle),
360		.pc_argzero = sizeof(struct nfsd_fhandle),
361		.pc_ressize = sizeof(struct nfsd_attrstat),
362		.pc_cachetype = RC_NOCACHE,
363		.pc_xdrressize = ST+AT,
364		.pc_name = "GETATTR",
365	},
366	[ACLPROC2_ACCESS] = {
367		.pc_func = nfsacld_proc_access,
368		.pc_decode = nfsaclsvc_decode_accessargs,
369		.pc_encode = nfsaclsvc_encode_accessres,
370		.pc_release = nfsaclsvc_release_access,
371		.pc_argsize = sizeof(struct nfsd3_accessargs),
372		.pc_argzero = sizeof(struct nfsd3_accessargs),
373		.pc_ressize = sizeof(struct nfsd3_accessres),
374		.pc_cachetype = RC_NOCACHE,
375		.pc_xdrressize = ST+AT+1,
376		.pc_name = "SETATTR",
377	},
378};
379
380static DEFINE_PER_CPU_ALIGNED(unsigned long,
381			      nfsd_acl_count2[ARRAY_SIZE(nfsd_acl_procedures2)]);
382const struct svc_version nfsd_acl_version2 = {
383	.vs_vers	= 2,
384	.vs_nproc	= ARRAY_SIZE(nfsd_acl_procedures2),
385	.vs_proc	= nfsd_acl_procedures2,
386	.vs_count	= nfsd_acl_count2,
387	.vs_dispatch	= nfsd_dispatch,
388	.vs_xdrsize	= NFS3_SVC_XDRSIZE,
389};