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v3.5.6
  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	svc_fh *fh;
 34	struct posix_acl *acl;
 35	__be32 nfserr = 0;
 36
 37	dprintk("nfsd: GETACL(2acl)   %s\n", SVCFH_fmt(&argp->fh));
 38
 39	fh = fh_copy(&resp->fh, &argp->fh);
 40	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
 41	if (nfserr)
 42		RETURN_STATUS(nfserr);
 43
 44	if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
 45		RETURN_STATUS(nfserr_inval);
 46	resp->mask = argp->mask;
 47
 48	if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
 49		acl = nfsd_get_posix_acl(fh, ACL_TYPE_ACCESS);
 50		if (IS_ERR(acl)) {
 51			int err = PTR_ERR(acl);
 52
 53			if (err == -ENODATA || err == -EOPNOTSUPP)
 54				acl = NULL;
 55			else {
 56				nfserr = nfserrno(err);
 57				goto fail;
 58			}
 59		}
 60		if (acl == NULL) {
 61			/* Solaris returns the inode's minimum ACL. */
 62
 63			struct inode *inode = fh->fh_dentry->d_inode;
 64			acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
 65		}
 66		resp->acl_access = acl;
 67	}
 68	if (resp->mask & (NFS_DFACL|NFS_DFACLCNT)) {
 69		/* Check how Solaris handles requests for the Default ACL
 70		   of a non-directory! */
 71
 72		acl = nfsd_get_posix_acl(fh, ACL_TYPE_DEFAULT);
 73		if (IS_ERR(acl)) {
 74			int err = PTR_ERR(acl);
 75
 76			if (err == -ENODATA || err == -EOPNOTSUPP)
 77				acl = NULL;
 78			else {
 79				nfserr = nfserrno(err);
 80				goto fail;
 81			}
 82		}
 83		resp->acl_default = acl;
 84	}
 85
 86	/* resp->acl_{access,default} are released in nfssvc_release_getacl. */
 87	RETURN_STATUS(0);
 88
 89fail:
 90	posix_acl_release(resp->acl_access);
 91	posix_acl_release(resp->acl_default);
 92	RETURN_STATUS(nfserr);
 93}
 94
 95/*
 96 * Set the Access and/or Default ACL of a file.
 97 */
 98static __be32 nfsacld_proc_setacl(struct svc_rqst * rqstp,
 99		struct nfsd3_setaclargs *argp,
100		struct nfsd_attrstat *resp)
101{
102	svc_fh *fh;
103	__be32 nfserr = 0;
104
105	dprintk("nfsd: SETACL(2acl)   %s\n", SVCFH_fmt(&argp->fh));
106
107	fh = fh_copy(&resp->fh, &argp->fh);
108	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
109
110	if (!nfserr) {
111		nfserr = nfserrno( nfsd_set_posix_acl(
112			fh, ACL_TYPE_ACCESS, argp->acl_access) );
113	}
114	if (!nfserr) {
115		nfserr = nfserrno( nfsd_set_posix_acl(
116			fh, ACL_TYPE_DEFAULT, argp->acl_default) );
117	}
118
119	/* argp->acl_{access,default} may have been allocated in
120	   nfssvc_decode_setaclargs. */
121	posix_acl_release(argp->acl_access);
122	posix_acl_release(argp->acl_default);
123	return nfserr;
124}
125
126/*
127 * Check file attributes
128 */
129static __be32 nfsacld_proc_getattr(struct svc_rqst * rqstp,
130		struct nfsd_fhandle *argp, struct nfsd_attrstat *resp)
131{
132	dprintk("nfsd: GETATTR  %s\n", SVCFH_fmt(&argp->fh));
133
134	fh_copy(&resp->fh, &argp->fh);
135	return fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
136}
137
138/*
139 * Check file access
140 */
141static __be32 nfsacld_proc_access(struct svc_rqst *rqstp, struct nfsd3_accessargs *argp,
142		struct nfsd3_accessres *resp)
143{
144	__be32 nfserr;
145
146	dprintk("nfsd: ACCESS(2acl)   %s 0x%x\n",
147			SVCFH_fmt(&argp->fh),
148			argp->access);
149
150	fh_copy(&resp->fh, &argp->fh);
151	resp->access = argp->access;
152	nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
153	return nfserr;
154}
155
156/*
157 * XDR decode functions
158 */
159static int nfsaclsvc_decode_getaclargs(struct svc_rqst *rqstp, __be32 *p,
160		struct nfsd3_getaclargs *argp)
161{
162	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
163		return 0;
164	argp->mask = ntohl(*p); p++;
165
166	return xdr_argsize_check(rqstp, p);
167}
168
169
170static int nfsaclsvc_decode_setaclargs(struct svc_rqst *rqstp, __be32 *p,
171		struct nfsd3_setaclargs *argp)
172{
173	struct kvec *head = rqstp->rq_arg.head;
174	unsigned int base;
175	int n;
176
177	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
178		return 0;
179	argp->mask = ntohl(*p++);
180	if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT) ||
181	    !xdr_argsize_check(rqstp, p))
182		return 0;
183
184	base = (char *)p - (char *)head->iov_base;
185	n = nfsacl_decode(&rqstp->rq_arg, base, NULL,
186			  (argp->mask & NFS_ACL) ?
187			  &argp->acl_access : NULL);
188	if (n > 0)
189		n = nfsacl_decode(&rqstp->rq_arg, base + n, NULL,
190				  (argp->mask & NFS_DFACL) ?
191				  &argp->acl_default : NULL);
192	return (n > 0);
193}
194
195static int nfsaclsvc_decode_fhandleargs(struct svc_rqst *rqstp, __be32 *p,
196		struct nfsd_fhandle *argp)
197{
198	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
199		return 0;
200	return xdr_argsize_check(rqstp, p);
201}
202
203static int nfsaclsvc_decode_accessargs(struct svc_rqst *rqstp, __be32 *p,
204		struct nfsd3_accessargs *argp)
205{
206	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
207		return 0;
208	argp->access = ntohl(*p++);
209
210	return xdr_argsize_check(rqstp, p);
211}
212
213/*
214 * XDR encode functions
215 */
216
217/*
218 * There must be an encoding function for void results so svc_process
219 * will work properly.
220 */
221int
222nfsaclsvc_encode_voidres(struct svc_rqst *rqstp, __be32 *p, void *dummy)
223{
224	return xdr_ressize_check(rqstp, p);
225}
226
227/* GETACL */
228static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
229		struct nfsd3_getaclres *resp)
230{
231	struct dentry *dentry = resp->fh.fh_dentry;
232	struct inode *inode;
233	struct kvec *head = rqstp->rq_res.head;
234	unsigned int base;
235	int n;
236	int w;
237
238	/*
239	 * Since this is version 2, the check for nfserr in
240	 * nfsd_dispatch actually ensures the following cannot happen.
241	 * However, it seems fragile to depend on that.
242	 */
243	if (dentry == NULL || dentry->d_inode == NULL)
244		return 0;
245	inode = dentry->d_inode;
246
247	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
248	*p++ = htonl(resp->mask);
249	if (!xdr_ressize_check(rqstp, p))
250		return 0;
251	base = (char *)p - (char *)head->iov_base;
252
253	rqstp->rq_res.page_len = w = nfsacl_size(
254		(resp->mask & NFS_ACL)   ? resp->acl_access  : NULL,
255		(resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
256	while (w > 0) {
257		if (!rqstp->rq_respages[rqstp->rq_resused++])
258			return 0;
259		w -= PAGE_SIZE;
260	}
261
262	n = nfsacl_encode(&rqstp->rq_res, base, inode,
263			  resp->acl_access,
264			  resp->mask & NFS_ACL, 0);
265	if (n > 0)
266		n = nfsacl_encode(&rqstp->rq_res, base + n, inode,
267				  resp->acl_default,
268				  resp->mask & NFS_DFACL,
269				  NFS_ACL_DEFAULT);
270	if (n <= 0)
271		return 0;
272	return 1;
273}
274
275static int nfsaclsvc_encode_attrstatres(struct svc_rqst *rqstp, __be32 *p,
276		struct nfsd_attrstat *resp)
277{
278	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
279	return xdr_ressize_check(rqstp, p);
280}
281
282/* ACCESS */
283static int nfsaclsvc_encode_accessres(struct svc_rqst *rqstp, __be32 *p,
284		struct nfsd3_accessres *resp)
285{
286	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
287	*p++ = htonl(resp->access);
288	return xdr_ressize_check(rqstp, p);
289}
290
291/*
292 * XDR release functions
293 */
294static int nfsaclsvc_release_getacl(struct svc_rqst *rqstp, __be32 *p,
295		struct nfsd3_getaclres *resp)
296{
297	fh_put(&resp->fh);
298	posix_acl_release(resp->acl_access);
299	posix_acl_release(resp->acl_default);
300	return 1;
301}
302
303static int nfsaclsvc_release_attrstat(struct svc_rqst *rqstp, __be32 *p,
304		struct nfsd_attrstat *resp)
305{
306	fh_put(&resp->fh);
307	return 1;
308}
309
310static int nfsaclsvc_release_access(struct svc_rqst *rqstp, __be32 *p,
311               struct nfsd3_accessres *resp)
312{
313       fh_put(&resp->fh);
314       return 1;
315}
316
317#define nfsaclsvc_decode_voidargs	NULL
318#define nfsaclsvc_release_void		NULL
319#define nfsd3_fhandleargs	nfsd_fhandle
320#define nfsd3_attrstatres	nfsd_attrstat
321#define nfsd3_voidres		nfsd3_voidargs
322struct nfsd3_voidargs { int dummy; };
323
324#define PROC(name, argt, rest, relt, cache, respsize)	\
325 { (svc_procfunc) nfsacld_proc_##name,		\
326   (kxdrproc_t) nfsaclsvc_decode_##argt##args,	\
327   (kxdrproc_t) nfsaclsvc_encode_##rest##res,	\
328   (kxdrproc_t) nfsaclsvc_release_##relt,		\
329   sizeof(struct nfsd3_##argt##args),		\
330   sizeof(struct nfsd3_##rest##res),		\
331   0,						\
332   cache,					\
333   respsize,					\
334 }
335
336#define ST 1		/* status*/
337#define AT 21		/* attributes */
338#define pAT (1+AT)	/* post attributes - conditional */
339#define ACL (1+NFS_ACL_MAX_ENTRIES*3)  /* Access Control List */
340
341static struct svc_procedure		nfsd_acl_procedures2[] = {
342  PROC(null,	void,		void,		void,	  RC_NOCACHE, ST),
343  PROC(getacl,	getacl,		getacl,		getacl,	  RC_NOCACHE, ST+1+2*(1+ACL)),
344  PROC(setacl,	setacl,		attrstat,	attrstat, RC_NOCACHE, ST+AT),
345  PROC(getattr, fhandle,	attrstat,	attrstat, RC_NOCACHE, ST+AT),
346  PROC(access,	access,		access,		access,   RC_NOCACHE, ST+AT+1),
347};
348
349struct svc_version	nfsd_acl_version2 = {
350		.vs_vers	= 2,
351		.vs_nproc	= 5,
352		.vs_proc	= nfsd_acl_procedures2,
353		.vs_dispatch	= nfsd_dispatch,
354		.vs_xdrsize	= NFS3_SVC_XDRSIZE,
355		.vs_hidden	= 0,
356};
v3.1
  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	svc_fh *fh;
 34	struct posix_acl *acl;
 35	__be32 nfserr = 0;
 36
 37	dprintk("nfsd: GETACL(2acl)   %s\n", SVCFH_fmt(&argp->fh));
 38
 39	fh = fh_copy(&resp->fh, &argp->fh);
 40	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
 41	if (nfserr)
 42		RETURN_STATUS(nfserr);
 43
 44	if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
 45		RETURN_STATUS(nfserr_inval);
 46	resp->mask = argp->mask;
 47
 48	if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
 49		acl = nfsd_get_posix_acl(fh, ACL_TYPE_ACCESS);
 50		if (IS_ERR(acl)) {
 51			int err = PTR_ERR(acl);
 52
 53			if (err == -ENODATA || err == -EOPNOTSUPP)
 54				acl = NULL;
 55			else {
 56				nfserr = nfserrno(err);
 57				goto fail;
 58			}
 59		}
 60		if (acl == NULL) {
 61			/* Solaris returns the inode's minimum ACL. */
 62
 63			struct inode *inode = fh->fh_dentry->d_inode;
 64			acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
 65		}
 66		resp->acl_access = acl;
 67	}
 68	if (resp->mask & (NFS_DFACL|NFS_DFACLCNT)) {
 69		/* Check how Solaris handles requests for the Default ACL
 70		   of a non-directory! */
 71
 72		acl = nfsd_get_posix_acl(fh, ACL_TYPE_DEFAULT);
 73		if (IS_ERR(acl)) {
 74			int err = PTR_ERR(acl);
 75
 76			if (err == -ENODATA || err == -EOPNOTSUPP)
 77				acl = NULL;
 78			else {
 79				nfserr = nfserrno(err);
 80				goto fail;
 81			}
 82		}
 83		resp->acl_default = acl;
 84	}
 85
 86	/* resp->acl_{access,default} are released in nfssvc_release_getacl. */
 87	RETURN_STATUS(0);
 88
 89fail:
 90	posix_acl_release(resp->acl_access);
 91	posix_acl_release(resp->acl_default);
 92	RETURN_STATUS(nfserr);
 93}
 94
 95/*
 96 * Set the Access and/or Default ACL of a file.
 97 */
 98static __be32 nfsacld_proc_setacl(struct svc_rqst * rqstp,
 99		struct nfsd3_setaclargs *argp,
100		struct nfsd_attrstat *resp)
101{
102	svc_fh *fh;
103	__be32 nfserr = 0;
104
105	dprintk("nfsd: SETACL(2acl)   %s\n", SVCFH_fmt(&argp->fh));
106
107	fh = fh_copy(&resp->fh, &argp->fh);
108	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
109
110	if (!nfserr) {
111		nfserr = nfserrno( nfsd_set_posix_acl(
112			fh, ACL_TYPE_ACCESS, argp->acl_access) );
113	}
114	if (!nfserr) {
115		nfserr = nfserrno( nfsd_set_posix_acl(
116			fh, ACL_TYPE_DEFAULT, argp->acl_default) );
117	}
118
119	/* argp->acl_{access,default} may have been allocated in
120	   nfssvc_decode_setaclargs. */
121	posix_acl_release(argp->acl_access);
122	posix_acl_release(argp->acl_default);
123	return nfserr;
124}
125
126/*
127 * Check file attributes
128 */
129static __be32 nfsacld_proc_getattr(struct svc_rqst * rqstp,
130		struct nfsd_fhandle *argp, struct nfsd_attrstat *resp)
131{
132	dprintk("nfsd: GETATTR  %s\n", SVCFH_fmt(&argp->fh));
133
134	fh_copy(&resp->fh, &argp->fh);
135	return fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
136}
137
138/*
139 * Check file access
140 */
141static __be32 nfsacld_proc_access(struct svc_rqst *rqstp, struct nfsd3_accessargs *argp,
142		struct nfsd3_accessres *resp)
143{
144	__be32 nfserr;
145
146	dprintk("nfsd: ACCESS(2acl)   %s 0x%x\n",
147			SVCFH_fmt(&argp->fh),
148			argp->access);
149
150	fh_copy(&resp->fh, &argp->fh);
151	resp->access = argp->access;
152	nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
153	return nfserr;
154}
155
156/*
157 * XDR decode functions
158 */
159static int nfsaclsvc_decode_getaclargs(struct svc_rqst *rqstp, __be32 *p,
160		struct nfsd3_getaclargs *argp)
161{
162	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
163		return 0;
164	argp->mask = ntohl(*p); p++;
165
166	return xdr_argsize_check(rqstp, p);
167}
168
169
170static int nfsaclsvc_decode_setaclargs(struct svc_rqst *rqstp, __be32 *p,
171		struct nfsd3_setaclargs *argp)
172{
173	struct kvec *head = rqstp->rq_arg.head;
174	unsigned int base;
175	int n;
176
177	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
178		return 0;
179	argp->mask = ntohl(*p++);
180	if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT) ||
181	    !xdr_argsize_check(rqstp, p))
182		return 0;
183
184	base = (char *)p - (char *)head->iov_base;
185	n = nfsacl_decode(&rqstp->rq_arg, base, NULL,
186			  (argp->mask & NFS_ACL) ?
187			  &argp->acl_access : NULL);
188	if (n > 0)
189		n = nfsacl_decode(&rqstp->rq_arg, base + n, NULL,
190				  (argp->mask & NFS_DFACL) ?
191				  &argp->acl_default : NULL);
192	return (n > 0);
193}
194
195static int nfsaclsvc_decode_fhandleargs(struct svc_rqst *rqstp, __be32 *p,
196		struct nfsd_fhandle *argp)
197{
198	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
199		return 0;
200	return xdr_argsize_check(rqstp, p);
201}
202
203static int nfsaclsvc_decode_accessargs(struct svc_rqst *rqstp, __be32 *p,
204		struct nfsd3_accessargs *argp)
205{
206	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
207		return 0;
208	argp->access = ntohl(*p++);
209
210	return xdr_argsize_check(rqstp, p);
211}
212
213/*
214 * XDR encode functions
215 */
216
217/*
218 * There must be an encoding function for void results so svc_process
219 * will work properly.
220 */
221int
222nfsaclsvc_encode_voidres(struct svc_rqst *rqstp, __be32 *p, void *dummy)
223{
224	return xdr_ressize_check(rqstp, p);
225}
226
227/* GETACL */
228static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
229		struct nfsd3_getaclres *resp)
230{
231	struct dentry *dentry = resp->fh.fh_dentry;
232	struct inode *inode;
233	struct kvec *head = rqstp->rq_res.head;
234	unsigned int base;
235	int n;
236	int w;
237
238	/*
239	 * Since this is version 2, the check for nfserr in
240	 * nfsd_dispatch actually ensures the following cannot happen.
241	 * However, it seems fragile to depend on that.
242	 */
243	if (dentry == NULL || dentry->d_inode == NULL)
244		return 0;
245	inode = dentry->d_inode;
246
247	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
248	*p++ = htonl(resp->mask);
249	if (!xdr_ressize_check(rqstp, p))
250		return 0;
251	base = (char *)p - (char *)head->iov_base;
252
253	rqstp->rq_res.page_len = w = nfsacl_size(
254		(resp->mask & NFS_ACL)   ? resp->acl_access  : NULL,
255		(resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
256	while (w > 0) {
257		if (!rqstp->rq_respages[rqstp->rq_resused++])
258			return 0;
259		w -= PAGE_SIZE;
260	}
261
262	n = nfsacl_encode(&rqstp->rq_res, base, inode,
263			  resp->acl_access,
264			  resp->mask & NFS_ACL, 0);
265	if (n > 0)
266		n = nfsacl_encode(&rqstp->rq_res, base + n, inode,
267				  resp->acl_default,
268				  resp->mask & NFS_DFACL,
269				  NFS_ACL_DEFAULT);
270	if (n <= 0)
271		return 0;
272	return 1;
273}
274
275static int nfsaclsvc_encode_attrstatres(struct svc_rqst *rqstp, __be32 *p,
276		struct nfsd_attrstat *resp)
277{
278	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
279	return xdr_ressize_check(rqstp, p);
280}
281
282/* ACCESS */
283static int nfsaclsvc_encode_accessres(struct svc_rqst *rqstp, __be32 *p,
284		struct nfsd3_accessres *resp)
285{
286	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
287	*p++ = htonl(resp->access);
288	return xdr_ressize_check(rqstp, p);
289}
290
291/*
292 * XDR release functions
293 */
294static int nfsaclsvc_release_getacl(struct svc_rqst *rqstp, __be32 *p,
295		struct nfsd3_getaclres *resp)
296{
297	fh_put(&resp->fh);
298	posix_acl_release(resp->acl_access);
299	posix_acl_release(resp->acl_default);
300	return 1;
301}
302
303static int nfsaclsvc_release_attrstat(struct svc_rqst *rqstp, __be32 *p,
304		struct nfsd_attrstat *resp)
305{
306	fh_put(&resp->fh);
307	return 1;
308}
309
310static int nfsaclsvc_release_access(struct svc_rqst *rqstp, __be32 *p,
311               struct nfsd3_accessres *resp)
312{
313       fh_put(&resp->fh);
314       return 1;
315}
316
317#define nfsaclsvc_decode_voidargs	NULL
318#define nfsaclsvc_release_void		NULL
319#define nfsd3_fhandleargs	nfsd_fhandle
320#define nfsd3_attrstatres	nfsd_attrstat
321#define nfsd3_voidres		nfsd3_voidargs
322struct nfsd3_voidargs { int dummy; };
323
324#define PROC(name, argt, rest, relt, cache, respsize)	\
325 { (svc_procfunc) nfsacld_proc_##name,		\
326   (kxdrproc_t) nfsaclsvc_decode_##argt##args,	\
327   (kxdrproc_t) nfsaclsvc_encode_##rest##res,	\
328   (kxdrproc_t) nfsaclsvc_release_##relt,		\
329   sizeof(struct nfsd3_##argt##args),		\
330   sizeof(struct nfsd3_##rest##res),		\
331   0,						\
332   cache,					\
333   respsize,					\
334 }
335
336#define ST 1		/* status*/
337#define AT 21		/* attributes */
338#define pAT (1+AT)	/* post attributes - conditional */
339#define ACL (1+NFS_ACL_MAX_ENTRIES*3)  /* Access Control List */
340
341static struct svc_procedure		nfsd_acl_procedures2[] = {
342  PROC(null,	void,		void,		void,	  RC_NOCACHE, ST),
343  PROC(getacl,	getacl,		getacl,		getacl,	  RC_NOCACHE, ST+1+2*(1+ACL)),
344  PROC(setacl,	setacl,		attrstat,	attrstat, RC_NOCACHE, ST+AT),
345  PROC(getattr, fhandle,	attrstat,	attrstat, RC_NOCACHE, ST+AT),
346  PROC(access,	access,		access,		access,   RC_NOCACHE, ST+AT+1),
347};
348
349struct svc_version	nfsd_acl_version2 = {
350		.vs_vers	= 2,
351		.vs_nproc	= 5,
352		.vs_proc	= nfsd_acl_procedures2,
353		.vs_dispatch	= nfsd_dispatch,
354		.vs_xdrsize	= NFS3_SVC_XDRSIZE,
355		.vs_hidden	= 0,
356};