[net-next-2.6.git] / fs / nfsd / nfs2acl.c

/*
 * linux/fs/nfsd/nfs2acl.c
 *
 * Process version 2 NFSACL requests.
 *
 * Copyright (C) 2002-2003 Andreas Gruenbacher <agruen@suse.de>
 */

#include "nfsd.h"
/* FIXME: nfsacl.h is a broken header */
#include <linux/nfsacl.h>
#include "cache.h"
#include "xdr3.h"
#include "vfs.h"

#define NFSDDBG_FACILITY		NFSDDBG_PROC
#define RETURN_STATUS(st)	{ resp->status = (st); return (st); }

/*
 * NULL call.
 */
static __be32
nfsacld_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
{
	return nfs_ok;
}

/*
 * Get the Access and/or Default ACL of a file.
 */
static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp,
		struct nfsd3_getaclargs *argp, struct nfsd3_getaclres *resp)
{
	svc_fh *fh;
	struct posix_acl *acl;
	__be32 nfserr = 0;

	dprintk("nfsd: GETACL(2acl)   %s\n", SVCFH_fmt(&argp->fh));

	fh = fh_copy(&resp->fh, &argp->fh);
	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
	if (nfserr)
		RETURN_STATUS(nfserr);

	if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
		RETURN_STATUS(nfserr_inval);
	resp->mask = argp->mask;

	if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
		acl = nfsd_get_posix_acl(fh, ACL_TYPE_ACCESS);
		if (IS_ERR(acl)) {
			int err = PTR_ERR(acl);

			if (err == -ENODATA || err == -EOPNOTSUPP)
				acl = NULL;
			else {
				nfserr = nfserrno(err);
				goto fail;
			}
		}
		if (acl == NULL) {
			/* Solaris returns the inode's minimum ACL. */

			struct inode *inode = fh->fh_dentry->d_inode;
			acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
		}
		resp->acl_access = acl;
	}
	if (resp->mask & (NFS_DFACL|NFS_DFACLCNT)) {
		/* Check how Solaris handles requests for the Default ACL
		   of a non-directory! */

		acl = nfsd_get_posix_acl(fh, ACL_TYPE_DEFAULT);
		if (IS_ERR(acl)) {
			int err = PTR_ERR(acl);

			if (err == -ENODATA || err == -EOPNOTSUPP)
				acl = NULL;
			else {
				nfserr = nfserrno(err);
				goto fail;
			}
		}
		resp->acl_default = acl;
	}

	/* resp->acl_{access,default} are released in nfssvc_release_getacl. */
	RETURN_STATUS(0);

fail:
	posix_acl_release(resp->acl_access);
	posix_acl_release(resp->acl_default);
	RETURN_STATUS(nfserr);
}

/*
 * Set the Access and/or Default ACL of a file.
 */
static __be32 nfsacld_proc_setacl(struct svc_rqst * rqstp,
		struct nfsd3_setaclargs *argp,
		struct nfsd_attrstat *resp)
{
	svc_fh *fh;
	__be32 nfserr = 0;

	dprintk("nfsd: SETACL(2acl)   %s\n", SVCFH_fmt(&argp->fh));

	fh = fh_copy(&resp->fh, &argp->fh);
	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);

	if (!nfserr) {
		nfserr = nfserrno( nfsd_set_posix_acl(
			fh, ACL_TYPE_ACCESS, argp->acl_access) );
	}
	if (!nfserr) {
		nfserr = nfserrno( nfsd_set_posix_acl(
			fh, ACL_TYPE_DEFAULT, argp->acl_default) );
	}

	/* argp->acl_{access,default} may have been allocated in
	   nfssvc_decode_setaclargs. */
	posix_acl_release(argp->acl_access);
	posix_acl_release(argp->acl_default);
	return nfserr;
}

/*
 * Check file attributes
 */
static __be32 nfsacld_proc_getattr(struct svc_rqst * rqstp,
		struct nfsd_fhandle *argp, struct nfsd_attrstat *resp)
{
	dprintk("nfsd: GETATTR  %s\n", SVCFH_fmt(&argp->fh));

	fh_copy(&resp->fh, &argp->fh);
	return fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
}

/*
 * Check file access
 */
static __be32 nfsacld_proc_access(struct svc_rqst *rqstp, struct nfsd3_accessargs *argp,
		struct nfsd3_accessres *resp)
{
	__be32 nfserr;

	dprintk("nfsd: ACCESS(2acl)   %s 0x%x\n",
			SVCFH_fmt(&argp->fh),
			argp->access);

	fh_copy(&resp->fh, &argp->fh);
	resp->access = argp->access;
	nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
	return nfserr;
}

/*
 * XDR decode functions
 */
static int nfsaclsvc_decode_getaclargs(struct svc_rqst *rqstp, __be32 *p,
		struct nfsd3_getaclargs *argp)
{
	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
		return 0;
	argp->mask = ntohl(*p); p++;

	return xdr_argsize_check(rqstp, p);
}


static int nfsaclsvc_decode_setaclargs(struct svc_rqst *rqstp, __be32 *p,
		struct nfsd3_setaclargs *argp)
{
	struct kvec *head = rqstp->rq_arg.head;
	unsigned int base;
	int n;

	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
		return 0;
	argp->mask = ntohl(*p++);
	if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT) ||
	    !xdr_argsize_check(rqstp, p))
		return 0;

	base = (char *)p - (char *)head->iov_base;
	n = nfsacl_decode(&rqstp->rq_arg, base, NULL,
			  (argp->mask & NFS_ACL) ?
			  &argp->acl_access : NULL);
	if (n > 0)
		n = nfsacl_decode(&rqstp->rq_arg, base + n, NULL,
				  (argp->mask & NFS_DFACL) ?
				  &argp->acl_default : NULL);
	return (n > 0);
}

static int nfsaclsvc_decode_fhandleargs(struct svc_rqst *rqstp, __be32 *p,
		struct nfsd_fhandle *argp)
{
	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
		return 0;
	return xdr_argsize_check(rqstp, p);
}

static int nfsaclsvc_decode_accessargs(struct svc_rqst *rqstp, __be32 *p,
		struct nfsd3_accessargs *argp)
{
	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
		return 0;
	argp->access = ntohl(*p++);

	return xdr_argsize_check(rqstp, p);
}

/*
 * XDR encode functions
 */

/*
 * There must be an encoding function for void results so svc_process
 * will work properly.
 */
int
nfsaclsvc_encode_voidres(struct svc_rqst *rqstp, __be32 *p, void *dummy)
{
	return xdr_ressize_check(rqstp, p);
}

/* GETACL */
static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
		struct nfsd3_getaclres *resp)
{
	struct dentry *dentry = resp->fh.fh_dentry;
	struct inode *inode;
	struct kvec *head = rqstp->rq_res.head;
	unsigned int base;
	int n;
	int w;

	/*
	 * Since this is version 2, the check for nfserr in
	 * nfsd_dispatch actually ensures the following cannot happen.
	 * However, it seems fragile to depend on that.
	 */
	if (dentry == NULL || dentry->d_inode == NULL)
		return 0;
	inode = dentry->d_inode;

	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
	*p++ = htonl(resp->mask);
	if (!xdr_ressize_check(rqstp, p))
		return 0;
	base = (char *)p - (char *)head->iov_base;

	rqstp->rq_res.page_len = w = nfsacl_size(
		(resp->mask & NFS_ACL)   ? resp->acl_access  : NULL,
		(resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
	while (w > 0) {
		if (!rqstp->rq_respages[rqstp->rq_resused++])
			return 0;
		w -= PAGE_SIZE;
	}

	n = nfsacl_encode(&rqstp->rq_res, base, inode,
			  resp->acl_access,
			  resp->mask & NFS_ACL, 0);
	if (n > 0)
		n = nfsacl_encode(&rqstp->rq_res, base + n, inode,
				  resp->acl_default,
				  resp->mask & NFS_DFACL,
				  NFS_ACL_DEFAULT);
	if (n <= 0)
		return 0;
	return 1;
}

static int nfsaclsvc_encode_attrstatres(struct svc_rqst *rqstp, __be32 *p,
		struct nfsd_attrstat *resp)
{
	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
	return xdr_ressize_check(rqstp, p);
}

/* ACCESS */
static int nfsaclsvc_encode_accessres(struct svc_rqst *rqstp, __be32 *p,
		struct nfsd3_accessres *resp)
{
	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
	*p++ = htonl(resp->access);
	return xdr_ressize_check(rqstp, p);
}

/*
 * XDR release functions
 */
static int nfsaclsvc_release_getacl(struct svc_rqst *rqstp, __be32 *p,
		struct nfsd3_getaclres *resp)
{
	fh_put(&resp->fh);
	posix_acl_release(resp->acl_access);
	posix_acl_release(resp->acl_default);
	return 1;
}

static int nfsaclsvc_release_attrstat(struct svc_rqst *rqstp, __be32 *p,
		struct nfsd_attrstat *resp)
{
	fh_put(&resp->fh);
	return 1;
}

static int nfsaclsvc_release_access(struct svc_rqst *rqstp, __be32 *p,
               struct nfsd3_accessres *resp)
{
       fh_put(&resp->fh);
       return 1;
}

#define nfsaclsvc_decode_voidargs	NULL
#define nfsaclsvc_release_void		NULL
#define nfsd3_fhandleargs	nfsd_fhandle
#define nfsd3_attrstatres	nfsd_attrstat
#define nfsd3_voidres		nfsd3_voidargs
struct nfsd3_voidargs { int dummy; };

#define PROC(name, argt, rest, relt, cache, respsize)	\
 { (svc_procfunc) nfsacld_proc_##name,		\
   (kxdrproc_t) nfsaclsvc_decode_##argt##args,	\
   (kxdrproc_t) nfsaclsvc_encode_##rest##res,	\
   (kxdrproc_t) nfsaclsvc_release_##relt,		\
   sizeof(struct nfsd3_##argt##args),		\
   sizeof(struct nfsd3_##rest##res),		\
   0,						\
   cache,					\
   respsize,					\
 }

#define ST 1		/* status*/
#define AT 21		/* attributes */
#define pAT (1+AT)	/* post attributes - conditional */
#define ACL (1+NFS_ACL_MAX_ENTRIES*3)  /* Access Control List */

static struct svc_procedure		nfsd_acl_procedures2[] = {
  PROC(null,	void,		void,		void,	  RC_NOCACHE, ST),
  PROC(getacl,	getacl,		getacl,		getacl,	  RC_NOCACHE, ST+1+2*(1+ACL)),
  PROC(setacl,	setacl,		attrstat,	attrstat, RC_NOCACHE, ST+AT),
  PROC(getattr, fhandle,	attrstat,	attrstat, RC_NOCACHE, ST+AT),
  PROC(access,	access,		access,		access,   RC_NOCACHE, ST+AT+1),
};

struct svc_version	nfsd_acl_version2 = {
		.vs_vers	= 2,
		.vs_nproc	= 5,
		.vs_proc	= nfsd_acl_procedures2,
		.vs_dispatch	= nfsd_dispatch,
		.vs_xdrsize	= NFS3_SVC_XDRSIZE,
		.vs_hidden	= 0,
};
Commit	Line	Data
a257cdd0	1	/*
f30c2269	2	* linux/fs/nfsd/nfs2acl.c
a257cdd0 AG	3	*
	4	* Process version 2 NFSACL requests.
	5	*
	6	* Copyright (C) 2002-2003 Andreas Gruenbacher <agruen@suse.de>
	7	*/
	8
9a74af21 BH	9	#include "nfsd.h"
9a74af21 BH	10	/* FIXME: nfsacl.h is a broken header */
a257cdd0	11	#include <linux/nfsacl.h>
9a74af21 BH	12	#include "cache.h"
9a74af21 BH	13	#include "xdr3.h"
0a3adade	14	#include "vfs.h"
a257cdd0 AG	15
	16	#define NFSDDBG_FACILITY NFSDDBG_PROC
	17	#define RETURN_STATUS(st) { resp->status = (st); return (st); }
	18
	19	/*
	20	* NULL call.
	21	*/
7111c66e	22	static __be32
a257cdd0 AG	23	nfsacld_proc_null(struct svc_rqst rqstp, void argp, void *resp)
	24	{
	25	return nfs_ok;
	26	}
	27
	28	/*
	29	* Get the Access and/or Default ACL of a file.
	30	*/
7111c66e	31	static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp,
a257cdd0 AG	32	struct nfsd3_getaclargs argp, struct nfsd3_getaclres resp)
	33	{
	34	svc_fh *fh;
	35	struct posix_acl *acl;
c4d987ba	36	__be32 nfserr = 0;
a257cdd0 AG	37
	38	dprintk("nfsd: GETACL(2acl) %s\n", SVCFH_fmt(&argp->fh));
	39
	40	fh = fh_copy(&resp->fh, &argp->fh);
8837abca MS	41	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
8837abca MS	42	if (nfserr)
ac8587dc	43	RETURN_STATUS(nfserr);
a257cdd0 AG	44
	45	if (argp->mask & ~(NFS_ACL\|NFS_ACLCNT\|NFS_DFACL\|NFS_DFACLCNT))
	46	RETURN_STATUS(nfserr_inval);
	47	resp->mask = argp->mask;
	48
	49	if (resp->mask & (NFS_ACL\|NFS_ACLCNT)) {
	50	acl = nfsd_get_posix_acl(fh, ACL_TYPE_ACCESS);
	51	if (IS_ERR(acl)) {
	52	int err = PTR_ERR(acl);
	53
	54	if (err == -ENODATA \|\| err == -EOPNOTSUPP)
	55	acl = NULL;
	56	else {
	57	nfserr = nfserrno(err);
	58	goto fail;
	59	}
	60	}
	61	if (acl == NULL) {
	62	/* Solaris returns the inode's minimum ACL. */
	63
	64	struct inode *inode = fh->fh_dentry->d_inode;
	65	acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
	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
	73	acl = nfsd_get_posix_acl(fh, ACL_TYPE_DEFAULT);
	74	if (IS_ERR(acl)) {
	75	int err = PTR_ERR(acl);
	76
	77	if (err == -ENODATA \|\| err == -EOPNOTSUPP)
	78	acl = NULL;
	79	else {
	80	nfserr = nfserrno(err);
	81	goto fail;
	82	}
	83	}
	84	resp->acl_default = acl;
	85	}
	86
	87	/* resp->acl_{access,default} are released in nfssvc_release_getacl. */
	88	RETURN_STATUS(0);
	89
	90	fail:
	91	posix_acl_release(resp->acl_access);
	92	posix_acl_release(resp->acl_default);
	93	RETURN_STATUS(nfserr);
	94	}
	95
	96	/*
	97	* Set the Access and/or Default ACL of a file.
	98	*/
7111c66e	99	static __be32 nfsacld_proc_setacl(struct svc_rqst * rqstp,
a257cdd0 AG	100	struct nfsd3_setaclargs *argp,
	101	struct nfsd_attrstat *resp)
	102	{
	103	svc_fh *fh;
c4d987ba	104	__be32 nfserr = 0;
a257cdd0 AG	105
	106	dprintk("nfsd: SETACL(2acl) %s\n", SVCFH_fmt(&argp->fh));
	107
	108	fh = fh_copy(&resp->fh, &argp->fh);
8837abca	109	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
a257cdd0 AG	110
	111	if (!nfserr) {
	112	nfserr = nfserrno( nfsd_set_posix_acl(
	113	fh, ACL_TYPE_ACCESS, argp->acl_access) );
	114	}
	115	if (!nfserr) {
	116	nfserr = nfserrno( nfsd_set_posix_acl(
	117	fh, ACL_TYPE_DEFAULT, argp->acl_default) );
	118	}
	119
	120	/* argp->acl_{access,default} may have been allocated in
	121	nfssvc_decode_setaclargs. */
	122	posix_acl_release(argp->acl_access);
	123	posix_acl_release(argp->acl_default);
	124	return nfserr;
	125	}
	126
	127	/*
	128	* Check file attributes
	129	*/
7111c66e	130	static __be32 nfsacld_proc_getattr(struct svc_rqst * rqstp,
a257cdd0 AG	131	struct nfsd_fhandle argp, struct nfsd_attrstat resp)
	132	{
	133	dprintk("nfsd: GETATTR %s\n", SVCFH_fmt(&argp->fh));
	134
	135	fh_copy(&resp->fh, &argp->fh);
8837abca	136	return fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
a257cdd0 AG	137	}
	138
	139	/*
	140	* Check file access
	141	*/
7111c66e	142	static __be32 nfsacld_proc_access(struct svc_rqst rqstp, struct nfsd3_accessargs argp,
a257cdd0 AG	143	struct nfsd3_accessres *resp)
a257cdd0 AG	144	{
c4d987ba	145	__be32 nfserr;
a257cdd0 AG	146
	147	dprintk("nfsd: ACCESS(2acl) %s 0x%x\n",
	148	SVCFH_fmt(&argp->fh),
	149	argp->access);
	150
	151	fh_copy(&resp->fh, &argp->fh);
	152	resp->access = argp->access;
	153	nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
	154	return nfserr;
	155	}
	156
	157	/*
	158	* XDR decode functions
	159	*/
131a21c2	160	static int nfsaclsvc_decode_getaclargs(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	161	struct nfsd3_getaclargs *argp)
	162	{
	163	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
	164	return 0;
	165	argp->mask = ntohl(*p); p++;
	166
	167	return xdr_argsize_check(rqstp, p);
	168	}
	169
	170
131a21c2	171	static int nfsaclsvc_decode_setaclargs(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	172	struct nfsd3_setaclargs *argp)
	173	{
	174	struct kvec *head = rqstp->rq_arg.head;
	175	unsigned int base;
	176	int n;
	177
	178	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
	179	return 0;
	180	argp->mask = ntohl(*p++);
	181	if (argp->mask & ~(NFS_ACL\|NFS_ACLCNT\|NFS_DFACL\|NFS_DFACLCNT) \|\|
	182	!xdr_argsize_check(rqstp, p))
	183	return 0;
	184
	185	base = (char )p - (char )head->iov_base;
	186	n = nfsacl_decode(&rqstp->rq_arg, base, NULL,
	187	(argp->mask & NFS_ACL) ?
	188	&argp->acl_access : NULL);
	189	if (n > 0)
	190	n = nfsacl_decode(&rqstp->rq_arg, base + n, NULL,
	191	(argp->mask & NFS_DFACL) ?
	192	&argp->acl_default : NULL);
	193	return (n > 0);
	194	}
	195
131a21c2	196	static int nfsaclsvc_decode_fhandleargs(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	197	struct nfsd_fhandle *argp)
	198	{
	199	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
	200	return 0;
	201	return xdr_argsize_check(rqstp, p);
	202	}
	203
131a21c2	204	static int nfsaclsvc_decode_accessargs(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	205	struct nfsd3_accessargs *argp)
	206	{
	207	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
	208	return 0;
	209	argp->access = ntohl(*p++);
	210
	211	return xdr_argsize_check(rqstp, p);
	212	}
	213
	214	/*
	215	* XDR encode functions
	216	*/
	217
1b7e0403 PS	218	/*
	219	* There must be an encoding function for void results so svc_process
	220	* will work properly.
	221	*/
	222	int
	223	nfsaclsvc_encode_voidres(struct svc_rqst rqstp, __be32 p, void *dummy)
	224	{
	225	return xdr_ressize_check(rqstp, p);
	226	}
	227
a257cdd0	228	/* GETACL */
131a21c2	229	static int nfsaclsvc_encode_getaclres(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	230	struct nfsd3_getaclres *resp)
	231	{
	232	struct dentry *dentry = resp->fh.fh_dentry;
aefa89d1	233	struct inode *inode;
a257cdd0 AG	234	struct kvec *head = rqstp->rq_res.head;
	235	unsigned int base;
	236	int n;
cb65a5ba	237	int w;
a257cdd0	238
aefa89d1 P	239	/*
	240	* Since this is version 2, the check for nfserr in
	241	* nfsd_dispatch actually ensures the following cannot happen.
	242	* However, it seems fragile to depend on that.
	243	*/
a257cdd0 AG	244	if (dentry == NULL \|\| dentry->d_inode == NULL)
	245	return 0;
	246	inode = dentry->d_inode;
	247
	248	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
	249	*p++ = htonl(resp->mask);
	250	if (!xdr_ressize_check(rqstp, p))
	251	return 0;
	252	base = (char )p - (char )head->iov_base;
	253
cb65a5ba JJ	254	rqstp->rq_res.page_len = w = nfsacl_size(
	255	(resp->mask & NFS_ACL) ? resp->acl_access : NULL,
	256	(resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
a257cdd0	257	while (w > 0) {
44524359	258	if (!rqstp->rq_respages[rqstp->rq_resused++])
a257cdd0 AG	259	return 0;
	260	w -= PAGE_SIZE;
	261	}
	262
	263	n = nfsacl_encode(&rqstp->rq_res, base, inode,
	264	resp->acl_access,
	265	resp->mask & NFS_ACL, 0);
	266	if (n > 0)
	267	n = nfsacl_encode(&rqstp->rq_res, base + n, inode,
	268	resp->acl_default,
	269	resp->mask & NFS_DFACL,
	270	NFS_ACL_DEFAULT);
	271	if (n <= 0)
	272	return 0;
	273	return 1;
	274	}
	275
131a21c2	276	static int nfsaclsvc_encode_attrstatres(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	277	struct nfsd_attrstat *resp)
	278	{
	279	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
	280	return xdr_ressize_check(rqstp, p);
	281	}
	282
	283	/* ACCESS */
131a21c2	284	static int nfsaclsvc_encode_accessres(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	285	struct nfsd3_accessres *resp)
	286	{
	287	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
	288	*p++ = htonl(resp->access);
	289	return xdr_ressize_check(rqstp, p);
	290	}
	291
	292	/*
	293	* XDR release functions
	294	*/
131a21c2	295	static int nfsaclsvc_release_getacl(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	296	struct nfsd3_getaclres *resp)
	297	{
	298	fh_put(&resp->fh);
	299	posix_acl_release(resp->acl_access);
	300	posix_acl_release(resp->acl_default);
	301	return 1;
	302	}
	303
c9ce2283 GB	304	static int nfsaclsvc_release_attrstat(struct svc_rqst rqstp, __be32 p,
c9ce2283 GB	305	struct nfsd_attrstat *resp)
a257cdd0 AG	306	{
	307	fh_put(&resp->fh);
	308	return 1;
	309	}
	310
c9ce2283 GB	311	static int nfsaclsvc_release_access(struct svc_rqst rqstp, __be32 p,
	312	struct nfsd3_accessres *resp)
	313	{
	314	fh_put(&resp->fh);
	315	return 1;
	316	}
	317
a257cdd0	318	#define nfsaclsvc_decode_voidargs NULL
a257cdd0 AG	319	#define nfsaclsvc_release_void NULL
	320	#define nfsd3_fhandleargs nfsd_fhandle
	321	#define nfsd3_attrstatres nfsd_attrstat
	322	#define nfsd3_voidres nfsd3_voidargs
	323	struct nfsd3_voidargs { int dummy; };
	324
	325	#define PROC(name, argt, rest, relt, cache, respsize) \
	326	{ (svc_procfunc) nfsacld_proc_##name, \
	327	(kxdrproc_t) nfsaclsvc_decode_##argt##args, \
	328	(kxdrproc_t) nfsaclsvc_encode_##rest##res, \
	329	(kxdrproc_t) nfsaclsvc_release_##relt, \
	330	sizeof(struct nfsd3_##argt##args), \
	331	sizeof(struct nfsd3_##rest##res), \
	332	0, \
	333	cache, \
	334	respsize, \
	335	}
	336
	337	#define ST 1 /* status*/
	338	#define AT 21 /* attributes */
	339	#define pAT (1+AT) /* post attributes - conditional */
	340	#define ACL (1+NFS_ACL_MAX_ENTRIES3) / Access Control List */
	341
	342	static struct svc_procedure nfsd_acl_procedures2[] = {
	343	PROC(null, void, void, void, RC_NOCACHE, ST),
	344	PROC(getacl, getacl, getacl, getacl, RC_NOCACHE, ST+1+2*(1+ACL)),
c9ce2283 GB	345	PROC(setacl, setacl, attrstat, attrstat, RC_NOCACHE, ST+AT),
	346	PROC(getattr, fhandle, attrstat, attrstat, RC_NOCACHE, ST+AT),
	347	PROC(access, access, access, access, RC_NOCACHE, ST+AT+1),
a257cdd0 AG	348	};
	349
	350	struct svc_version nfsd_acl_version2 = {
	351	.vs_vers = 2,
	352	.vs_nproc = 5,
	353	.vs_proc = nfsd_acl_procedures2,
	354	.vs_dispatch = nfsd_dispatch,
	355	.vs_xdrsize = NFS3_SVC_XDRSIZE,
1b7e0403	356	.vs_hidden = 0,
a257cdd0	357	};