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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 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};
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#define RETURN_STATUS(st) { resp->status = (st); return (st); }
18
19/*
20 * NULL call.
21 */
22static __be32
23nfsacld_proc_null(struct svc_rqst *rqstp)
24{
25 return nfs_ok;
26}
27
28/*
29 * Get the Access and/or Default ACL of a file.
30 */
31static __be32 nfsacld_proc_getacl(struct svc_rqst *rqstp)
32{
33 struct nfsd3_getaclargs *argp = rqstp->rq_argp;
34 struct nfsd3_getaclres *resp = rqstp->rq_resp;
35 struct posix_acl *acl;
36 struct inode *inode;
37 svc_fh *fh;
38 __be32 nfserr = 0;
39
40 dprintk("nfsd: GETACL(2acl) %s\n", SVCFH_fmt(&argp->fh));
41
42 fh = fh_copy(&resp->fh, &argp->fh);
43 nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
44 if (nfserr)
45 RETURN_STATUS(nfserr);
46
47 inode = d_inode(fh->fh_dentry);
48
49 if (argp->mask & ~NFS_ACL_MASK)
50 RETURN_STATUS(nfserr_inval);
51 resp->mask = argp->mask;
52
53 nfserr = fh_getattr(fh, &resp->stat);
54 if (nfserr)
55 RETURN_STATUS(nfserr);
56
57 if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
58 acl = get_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 nfserr = 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_acl(inode, ACL_TYPE_DEFAULT);
73 if (IS_ERR(acl)) {
74 nfserr = 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. */
81 RETURN_STATUS(0);
82
83fail:
84 posix_acl_release(resp->acl_access);
85 posix_acl_release(resp->acl_default);
86 RETURN_STATUS(nfserr);
87}
88
89/*
90 * Set the Access and/or Default ACL of a file.
91 */
92static __be32 nfsacld_proc_setacl(struct svc_rqst *rqstp)
93{
94 struct nfsd3_setaclargs *argp = rqstp->rq_argp;
95 struct nfsd_attrstat *resp = rqstp->rq_resp;
96 struct inode *inode;
97 svc_fh *fh;
98 __be32 nfserr = 0;
99 int error;
100
101 dprintk("nfsd: SETACL(2acl) %s\n", SVCFH_fmt(&argp->fh));
102
103 fh = fh_copy(&resp->fh, &argp->fh);
104 nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
105 if (nfserr)
106 goto out;
107
108 inode = d_inode(fh->fh_dentry);
109
110 error = fh_want_write(fh);
111 if (error)
112 goto out_errno;
113
114 fh_lock(fh);
115
116 error = set_posix_acl(inode, ACL_TYPE_ACCESS, argp->acl_access);
117 if (error)
118 goto out_drop_lock;
119 error = set_posix_acl(inode, ACL_TYPE_DEFAULT, argp->acl_default);
120 if (error)
121 goto out_drop_lock;
122
123 fh_unlock(fh);
124
125 fh_drop_write(fh);
126
127 nfserr = fh_getattr(fh, &resp->stat);
128
129out:
130 /* argp->acl_{access,default} may have been allocated in
131 nfssvc_decode_setaclargs. */
132 posix_acl_release(argp->acl_access);
133 posix_acl_release(argp->acl_default);
134 return nfserr;
135out_drop_lock:
136 fh_unlock(fh);
137 fh_drop_write(fh);
138out_errno:
139 nfserr = nfserrno(error);
140 goto out;
141}
142
143/*
144 * Check file attributes
145 */
146static __be32 nfsacld_proc_getattr(struct svc_rqst *rqstp)
147{
148 struct nfsd_fhandle *argp = rqstp->rq_argp;
149 struct nfsd_attrstat *resp = rqstp->rq_resp;
150 __be32 nfserr;
151 dprintk("nfsd: GETATTR %s\n", SVCFH_fmt(&argp->fh));
152
153 fh_copy(&resp->fh, &argp->fh);
154 nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
155 if (nfserr)
156 return nfserr;
157 nfserr = fh_getattr(&resp->fh, &resp->stat);
158 return nfserr;
159}
160
161/*
162 * Check file access
163 */
164static __be32 nfsacld_proc_access(struct svc_rqst *rqstp)
165{
166 struct nfsd3_accessargs *argp = rqstp->rq_argp;
167 struct nfsd3_accessres *resp = rqstp->rq_resp;
168 __be32 nfserr;
169
170 dprintk("nfsd: ACCESS(2acl) %s 0x%x\n",
171 SVCFH_fmt(&argp->fh),
172 argp->access);
173
174 fh_copy(&resp->fh, &argp->fh);
175 resp->access = argp->access;
176 nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
177 if (nfserr)
178 return nfserr;
179 nfserr = fh_getattr(&resp->fh, &resp->stat);
180 return nfserr;
181}
182
183/*
184 * XDR decode functions
185 */
186static int nfsaclsvc_decode_getaclargs(struct svc_rqst *rqstp, __be32 *p)
187{
188 struct nfsd3_getaclargs *argp = rqstp->rq_argp;
189
190 p = nfs2svc_decode_fh(p, &argp->fh);
191 if (!p)
192 return 0;
193 argp->mask = ntohl(*p); p++;
194
195 return xdr_argsize_check(rqstp, p);
196}
197
198
199static int nfsaclsvc_decode_setaclargs(struct svc_rqst *rqstp, __be32 *p)
200{
201 struct nfsd3_setaclargs *argp = rqstp->rq_argp;
202 struct kvec *head = rqstp->rq_arg.head;
203 unsigned int base;
204 int n;
205
206 p = nfs2svc_decode_fh(p, &argp->fh);
207 if (!p)
208 return 0;
209 argp->mask = ntohl(*p++);
210 if (argp->mask & ~NFS_ACL_MASK ||
211 !xdr_argsize_check(rqstp, p))
212 return 0;
213
214 base = (char *)p - (char *)head->iov_base;
215 n = nfsacl_decode(&rqstp->rq_arg, base, NULL,
216 (argp->mask & NFS_ACL) ?
217 &argp->acl_access : NULL);
218 if (n > 0)
219 n = nfsacl_decode(&rqstp->rq_arg, base + n, NULL,
220 (argp->mask & NFS_DFACL) ?
221 &argp->acl_default : NULL);
222 return (n > 0);
223}
224
225static int nfsaclsvc_decode_fhandleargs(struct svc_rqst *rqstp, __be32 *p)
226{
227 struct nfsd_fhandle *argp = rqstp->rq_argp;
228
229 p = nfs2svc_decode_fh(p, &argp->fh);
230 if (!p)
231 return 0;
232 return xdr_argsize_check(rqstp, p);
233}
234
235static int nfsaclsvc_decode_accessargs(struct svc_rqst *rqstp, __be32 *p)
236{
237 struct nfsd3_accessargs *argp = rqstp->rq_argp;
238
239 p = nfs2svc_decode_fh(p, &argp->fh);
240 if (!p)
241 return 0;
242 argp->access = ntohl(*p++);
243
244 return xdr_argsize_check(rqstp, p);
245}
246
247/*
248 * XDR encode functions
249 */
250
251/*
252 * There must be an encoding function for void results so svc_process
253 * will work properly.
254 */
255static int nfsaclsvc_encode_voidres(struct svc_rqst *rqstp, __be32 *p)
256{
257 return xdr_ressize_check(rqstp, p);
258}
259
260/* GETACL */
261static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p)
262{
263 struct nfsd3_getaclres *resp = rqstp->rq_resp;
264 struct dentry *dentry = resp->fh.fh_dentry;
265 struct inode *inode;
266 struct kvec *head = rqstp->rq_res.head;
267 unsigned int base;
268 int n;
269 int w;
270
271 /*
272 * Since this is version 2, the check for nfserr in
273 * nfsd_dispatch actually ensures the following cannot happen.
274 * However, it seems fragile to depend on that.
275 */
276 if (dentry == NULL || d_really_is_negative(dentry))
277 return 0;
278 inode = d_inode(dentry);
279
280 p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
281 *p++ = htonl(resp->mask);
282 if (!xdr_ressize_check(rqstp, p))
283 return 0;
284 base = (char *)p - (char *)head->iov_base;
285
286 rqstp->rq_res.page_len = w = nfsacl_size(
287 (resp->mask & NFS_ACL) ? resp->acl_access : NULL,
288 (resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
289 while (w > 0) {
290 if (!*(rqstp->rq_next_page++))
291 return 0;
292 w -= PAGE_SIZE;
293 }
294
295 n = nfsacl_encode(&rqstp->rq_res, base, inode,
296 resp->acl_access,
297 resp->mask & NFS_ACL, 0);
298 if (n > 0)
299 n = nfsacl_encode(&rqstp->rq_res, base + n, inode,
300 resp->acl_default,
301 resp->mask & NFS_DFACL,
302 NFS_ACL_DEFAULT);
303 return (n > 0);
304}
305
306static int nfsaclsvc_encode_attrstatres(struct svc_rqst *rqstp, __be32 *p)
307{
308 struct nfsd_attrstat *resp = rqstp->rq_resp;
309
310 p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
311 return xdr_ressize_check(rqstp, p);
312}
313
314/* ACCESS */
315static int nfsaclsvc_encode_accessres(struct svc_rqst *rqstp, __be32 *p)
316{
317 struct nfsd3_accessres *resp = rqstp->rq_resp;
318
319 p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
320 *p++ = htonl(resp->access);
321 return xdr_ressize_check(rqstp, p);
322}
323
324/*
325 * XDR release functions
326 */
327static void nfsaclsvc_release_getacl(struct svc_rqst *rqstp)
328{
329 struct nfsd3_getaclres *resp = rqstp->rq_resp;
330
331 fh_put(&resp->fh);
332 posix_acl_release(resp->acl_access);
333 posix_acl_release(resp->acl_default);
334}
335
336static void nfsaclsvc_release_attrstat(struct svc_rqst *rqstp)
337{
338 struct nfsd_attrstat *resp = rqstp->rq_resp;
339
340 fh_put(&resp->fh);
341}
342
343static void nfsaclsvc_release_access(struct svc_rqst *rqstp)
344{
345 struct nfsd3_accessres *resp = rqstp->rq_resp;
346
347 fh_put(&resp->fh);
348}
349
350#define nfsaclsvc_decode_voidargs NULL
351#define nfsaclsvc_release_void NULL
352#define nfsd3_fhandleargs nfsd_fhandle
353#define nfsd3_attrstatres nfsd_attrstat
354#define nfsd3_voidres nfsd3_voidargs
355struct nfsd3_voidargs { int dummy; };
356
357#define PROC(name, argt, rest, relt, cache, respsize) \
358{ \
359 .pc_func = nfsacld_proc_##name, \
360 .pc_decode = nfsaclsvc_decode_##argt##args, \
361 .pc_encode = nfsaclsvc_encode_##rest##res, \
362 .pc_release = nfsaclsvc_release_##relt, \
363 .pc_argsize = sizeof(struct nfsd3_##argt##args), \
364 .pc_ressize = sizeof(struct nfsd3_##rest##res), \
365 .pc_cachetype = cache, \
366 .pc_xdrressize = respsize, \
367}
368
369#define ST 1 /* status*/
370#define AT 21 /* attributes */
371#define pAT (1+AT) /* post attributes - conditional */
372#define ACL (1+NFS_ACL_MAX_ENTRIES*3) /* Access Control List */
373
374static const struct svc_procedure nfsd_acl_procedures2[] = {
375 PROC(null, void, void, void, RC_NOCACHE, ST),
376 PROC(getacl, getacl, getacl, getacl, RC_NOCACHE, ST+1+2*(1+ACL)),
377 PROC(setacl, setacl, attrstat, attrstat, RC_NOCACHE, ST+AT),
378 PROC(getattr, fhandle, attrstat, attrstat, RC_NOCACHE, ST+AT),
379 PROC(access, access, access, access, RC_NOCACHE, ST+AT+1),
380};
381
382static unsigned int nfsd_acl_count2[ARRAY_SIZE(nfsd_acl_procedures2)];
383const struct svc_version nfsd_acl_version2 = {
384 .vs_vers = 2,
385 .vs_nproc = 5,
386 .vs_proc = nfsd_acl_procedures2,
387 .vs_count = nfsd_acl_count2,
388 .vs_dispatch = nfsd_dispatch,
389 .vs_xdrsize = NFS3_SVC_XDRSIZE,
390};