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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 = fh->fh_dentry->d_inode;
46
47 if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
48 RETURN_STATUS(nfserr_inval);
49 resp->mask = argp->mask;
50
51 nfserr = fh_getattr(fh, &resp->stat);
52 if (nfserr)
53 goto fail;
54
55 if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
56 acl = get_acl(inode, ACL_TYPE_ACCESS);
57 if (IS_ERR(acl)) {
58 nfserr = nfserrno(PTR_ERR(acl));
59 goto fail;
60 }
61 if (acl == NULL) {
62 /* Solaris returns the inode's minimum ACL. */
63 acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
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 = fh->fh_dentry->d_inode;
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 if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
186 return 0;
187 argp->mask = ntohl(*p); p++;
188
189 return xdr_argsize_check(rqstp, p);
190}
191
192
193static int nfsaclsvc_decode_setaclargs(struct svc_rqst *rqstp, __be32 *p,
194 struct nfsd3_setaclargs *argp)
195{
196 struct kvec *head = rqstp->rq_arg.head;
197 unsigned int base;
198 int n;
199
200 if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
201 return 0;
202 argp->mask = ntohl(*p++);
203 if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT) ||
204 !xdr_argsize_check(rqstp, p))
205 return 0;
206
207 base = (char *)p - (char *)head->iov_base;
208 n = nfsacl_decode(&rqstp->rq_arg, base, NULL,
209 (argp->mask & NFS_ACL) ?
210 &argp->acl_access : NULL);
211 if (n > 0)
212 n = nfsacl_decode(&rqstp->rq_arg, base + n, NULL,
213 (argp->mask & NFS_DFACL) ?
214 &argp->acl_default : NULL);
215 return (n > 0);
216}
217
218static int nfsaclsvc_decode_fhandleargs(struct svc_rqst *rqstp, __be32 *p,
219 struct nfsd_fhandle *argp)
220{
221 if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
222 return 0;
223 return xdr_argsize_check(rqstp, p);
224}
225
226static int nfsaclsvc_decode_accessargs(struct svc_rqst *rqstp, __be32 *p,
227 struct nfsd3_accessargs *argp)
228{
229 if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
230 return 0;
231 argp->access = ntohl(*p++);
232
233 return xdr_argsize_check(rqstp, p);
234}
235
236/*
237 * XDR encode functions
238 */
239
240/*
241 * There must be an encoding function for void results so svc_process
242 * will work properly.
243 */
244static int nfsaclsvc_encode_voidres(struct svc_rqst *rqstp, __be32 *p, void *dummy)
245{
246 return xdr_ressize_check(rqstp, p);
247}
248
249/* GETACL */
250static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
251 struct nfsd3_getaclres *resp)
252{
253 struct dentry *dentry = resp->fh.fh_dentry;
254 struct inode *inode;
255 struct kvec *head = rqstp->rq_res.head;
256 unsigned int base;
257 int n;
258 int w;
259
260 /*
261 * Since this is version 2, the check for nfserr in
262 * nfsd_dispatch actually ensures the following cannot happen.
263 * However, it seems fragile to depend on that.
264 */
265 if (dentry == NULL || dentry->d_inode == NULL)
266 return 0;
267 inode = dentry->d_inode;
268
269 p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
270 *p++ = htonl(resp->mask);
271 if (!xdr_ressize_check(rqstp, p))
272 return 0;
273 base = (char *)p - (char *)head->iov_base;
274
275 rqstp->rq_res.page_len = w = nfsacl_size(
276 (resp->mask & NFS_ACL) ? resp->acl_access : NULL,
277 (resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
278 while (w > 0) {
279 if (!*(rqstp->rq_next_page++))
280 return 0;
281 w -= PAGE_SIZE;
282 }
283
284 n = nfsacl_encode(&rqstp->rq_res, base, inode,
285 resp->acl_access,
286 resp->mask & NFS_ACL, 0);
287 if (n > 0)
288 n = nfsacl_encode(&rqstp->rq_res, base + n, inode,
289 resp->acl_default,
290 resp->mask & NFS_DFACL,
291 NFS_ACL_DEFAULT);
292 if (n <= 0)
293 return 0;
294 return 1;
295}
296
297static int nfsaclsvc_encode_attrstatres(struct svc_rqst *rqstp, __be32 *p,
298 struct nfsd_attrstat *resp)
299{
300 p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
301 return xdr_ressize_check(rqstp, p);
302}
303
304/* ACCESS */
305static int nfsaclsvc_encode_accessres(struct svc_rqst *rqstp, __be32 *p,
306 struct nfsd3_accessres *resp)
307{
308 p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
309 *p++ = htonl(resp->access);
310 return xdr_ressize_check(rqstp, p);
311}
312
313/*
314 * XDR release functions
315 */
316static int nfsaclsvc_release_getacl(struct svc_rqst *rqstp, __be32 *p,
317 struct nfsd3_getaclres *resp)
318{
319 fh_put(&resp->fh);
320 posix_acl_release(resp->acl_access);
321 posix_acl_release(resp->acl_default);
322 return 1;
323}
324
325static int nfsaclsvc_release_attrstat(struct svc_rqst *rqstp, __be32 *p,
326 struct nfsd_attrstat *resp)
327{
328 fh_put(&resp->fh);
329 return 1;
330}
331
332static int nfsaclsvc_release_access(struct svc_rqst *rqstp, __be32 *p,
333 struct nfsd3_accessres *resp)
334{
335 fh_put(&resp->fh);
336 return 1;
337}
338
339#define nfsaclsvc_decode_voidargs NULL
340#define nfsaclsvc_release_void NULL
341#define nfsd3_fhandleargs nfsd_fhandle
342#define nfsd3_attrstatres nfsd_attrstat
343#define nfsd3_voidres nfsd3_voidargs
344struct nfsd3_voidargs { int dummy; };
345
346#define PROC(name, argt, rest, relt, cache, respsize) \
347 { (svc_procfunc) nfsacld_proc_##name, \
348 (kxdrproc_t) nfsaclsvc_decode_##argt##args, \
349 (kxdrproc_t) nfsaclsvc_encode_##rest##res, \
350 (kxdrproc_t) nfsaclsvc_release_##relt, \
351 sizeof(struct nfsd3_##argt##args), \
352 sizeof(struct nfsd3_##rest##res), \
353 0, \
354 cache, \
355 respsize, \
356 }
357
358#define ST 1 /* status*/
359#define AT 21 /* attributes */
360#define pAT (1+AT) /* post attributes - conditional */
361#define ACL (1+NFS_ACL_MAX_ENTRIES*3) /* Access Control List */
362
363static struct svc_procedure nfsd_acl_procedures2[] = {
364 PROC(null, void, void, void, RC_NOCACHE, ST),
365 PROC(getacl, getacl, getacl, getacl, RC_NOCACHE, ST+1+2*(1+ACL)),
366 PROC(setacl, setacl, attrstat, attrstat, RC_NOCACHE, ST+AT),
367 PROC(getattr, fhandle, attrstat, attrstat, RC_NOCACHE, ST+AT),
368 PROC(access, access, access, access, RC_NOCACHE, ST+AT+1),
369};
370
371struct svc_version nfsd_acl_version2 = {
372 .vs_vers = 2,
373 .vs_nproc = 5,
374 .vs_proc = nfsd_acl_procedures2,
375 .vs_dispatch = nfsd_dispatch,
376 .vs_xdrsize = NFS3_SVC_XDRSIZE,
377 .vs_hidden = 0,
378};
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};