[linux-2.6-block.git] / 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	/*
a257cdd0 AG	2	* Process version 2 NFSACL requests.
	3	*
	4	* Copyright (C) 2002-2003 Andreas Gruenbacher <agruen@suse.de>
	5	*/
	6
9a74af21 BH	7	#include "nfsd.h"
9a74af21 BH	8	/* FIXME: nfsacl.h is a broken header */
a257cdd0	9	#include <linux/nfsacl.h>
9a74af21 BH	10	#include "cache.h"
9a74af21 BH	11	#include "xdr3.h"
0a3adade	12	#include "vfs.h"
a257cdd0 AG	13
	14	#define NFSDDBG_FACILITY NFSDDBG_PROC
	15	#define RETURN_STATUS(st) { resp->status = (st); return (st); }
	16
	17	/*
	18	* NULL call.
	19	*/
7111c66e	20	static __be32
a257cdd0 AG	21	nfsacld_proc_null(struct svc_rqst rqstp, void argp, void *resp)
	22	{
	23	return nfs_ok;
	24	}
	25
	26	/*
	27	* Get the Access and/or Default ACL of a file.
	28	*/
7111c66e	29	static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp,
a257cdd0 AG	30	struct nfsd3_getaclargs argp, struct nfsd3_getaclres resp)
	31	{
	32	svc_fh *fh;
	33	struct posix_acl *acl;
c4d987ba	34	__be32 nfserr = 0;
a257cdd0 AG	35
	36	dprintk("nfsd: GETACL(2acl) %s\n", SVCFH_fmt(&argp->fh));
	37
	38	fh = fh_copy(&resp->fh, &argp->fh);
8837abca MS	39	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
8837abca MS	40	if (nfserr)
ac8587dc	41	RETURN_STATUS(nfserr);
a257cdd0 AG	42
	43	if (argp->mask & ~(NFS_ACL\|NFS_ACLCNT\|NFS_DFACL\|NFS_DFACLCNT))
	44	RETURN_STATUS(nfserr_inval);
	45	resp->mask = argp->mask;
	46
	47	if (resp->mask & (NFS_ACL\|NFS_ACLCNT)) {
	48	acl = nfsd_get_posix_acl(fh, ACL_TYPE_ACCESS);
	49	if (IS_ERR(acl)) {
	50	int err = PTR_ERR(acl);
	51
	52	if (err == -ENODATA \|\| err == -EOPNOTSUPP)
	53	acl = NULL;
	54	else {
	55	nfserr = nfserrno(err);
	56	goto fail;
	57	}
	58	}
	59	if (acl == NULL) {
	60	/* Solaris returns the inode's minimum ACL. */
	61
	62	struct inode *inode = fh->fh_dentry->d_inode;
	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
	71	acl = nfsd_get_posix_acl(fh, ACL_TYPE_DEFAULT);
	72	if (IS_ERR(acl)) {
	73	int err = PTR_ERR(acl);
	74
	75	if (err == -ENODATA \|\| err == -EOPNOTSUPP)
	76	acl = NULL;
	77	else {
	78	nfserr = nfserrno(err);
	79	goto fail;
	80	}
	81	}
	82	resp->acl_default = acl;
	83	}
	84
	85	/* resp->acl_{access,default} are released in nfssvc_release_getacl. */
	86	RETURN_STATUS(0);
	87
	88	fail:
	89	posix_acl_release(resp->acl_access);
	90	posix_acl_release(resp->acl_default);
	91	RETURN_STATUS(nfserr);
	92	}
	93
	94	/*
	95	* Set the Access and/or Default ACL of a file.
	96	*/
7111c66e	97	static __be32 nfsacld_proc_setacl(struct svc_rqst * rqstp,
a257cdd0 AG	98	struct nfsd3_setaclargs *argp,
	99	struct nfsd_attrstat *resp)
	100	{
	101	svc_fh *fh;
c4d987ba	102	__be32 nfserr = 0;
a257cdd0 AG	103
	104	dprintk("nfsd: SETACL(2acl) %s\n", SVCFH_fmt(&argp->fh));
	105
	106	fh = fh_copy(&resp->fh, &argp->fh);
8837abca	107	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
a257cdd0 AG	108
	109	if (!nfserr) {
	110	nfserr = nfserrno( nfsd_set_posix_acl(
	111	fh, ACL_TYPE_ACCESS, argp->acl_access) );
	112	}
	113	if (!nfserr) {
	114	nfserr = nfserrno( nfsd_set_posix_acl(
	115	fh, ACL_TYPE_DEFAULT, argp->acl_default) );
	116	}
	117
	118	/* argp->acl_{access,default} may have been allocated in
	119	nfssvc_decode_setaclargs. */
	120	posix_acl_release(argp->acl_access);
	121	posix_acl_release(argp->acl_default);
	122	return nfserr;
	123	}
	124
	125	/*
	126	* Check file attributes
	127	*/
7111c66e	128	static __be32 nfsacld_proc_getattr(struct svc_rqst * rqstp,
a257cdd0 AG	129	struct nfsd_fhandle argp, struct nfsd_attrstat resp)
	130	{
	131	dprintk("nfsd: GETATTR %s\n", SVCFH_fmt(&argp->fh));
	132
	133	fh_copy(&resp->fh, &argp->fh);
8837abca	134	return fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
a257cdd0 AG	135	}
	136
	137	/*
	138	* Check file access
	139	*/
7111c66e	140	static __be32 nfsacld_proc_access(struct svc_rqst rqstp, struct nfsd3_accessargs argp,
a257cdd0 AG	141	struct nfsd3_accessres *resp)
a257cdd0 AG	142	{
c4d987ba	143	__be32 nfserr;
a257cdd0 AG	144
	145	dprintk("nfsd: ACCESS(2acl) %s 0x%x\n",
	146	SVCFH_fmt(&argp->fh),
	147	argp->access);
	148
	149	fh_copy(&resp->fh, &argp->fh);
	150	resp->access = argp->access;
	151	nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
	152	return nfserr;
	153	}
	154
	155	/*
	156	* XDR decode functions
	157	*/
131a21c2	158	static int nfsaclsvc_decode_getaclargs(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	159	struct nfsd3_getaclargs *argp)
	160	{
	161	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
	162	return 0;
	163	argp->mask = ntohl(*p); p++;
	164
	165	return xdr_argsize_check(rqstp, p);
	166	}
	167
	168
131a21c2	169	static int nfsaclsvc_decode_setaclargs(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	170	struct nfsd3_setaclargs *argp)
	171	{
	172	struct kvec *head = rqstp->rq_arg.head;
	173	unsigned int base;
	174	int n;
	175
	176	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
	177	return 0;
	178	argp->mask = ntohl(*p++);
	179	if (argp->mask & ~(NFS_ACL\|NFS_ACLCNT\|NFS_DFACL\|NFS_DFACLCNT) \|\|
	180	!xdr_argsize_check(rqstp, p))
	181	return 0;
	182
	183	base = (char )p - (char )head->iov_base;
	184	n = nfsacl_decode(&rqstp->rq_arg, base, NULL,
	185	(argp->mask & NFS_ACL) ?
	186	&argp->acl_access : NULL);
	187	if (n > 0)
	188	n = nfsacl_decode(&rqstp->rq_arg, base + n, NULL,
	189	(argp->mask & NFS_DFACL) ?
	190	&argp->acl_default : NULL);
	191	return (n > 0);
	192	}
	193
131a21c2	194	static int nfsaclsvc_decode_fhandleargs(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	195	struct nfsd_fhandle *argp)
	196	{
	197	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
	198	return 0;
	199	return xdr_argsize_check(rqstp, p);
	200	}
	201
131a21c2	202	static int nfsaclsvc_decode_accessargs(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	203	struct nfsd3_accessargs *argp)
	204	{
	205	if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
	206	return 0;
	207	argp->access = ntohl(*p++);
	208
	209	return xdr_argsize_check(rqstp, p);
	210	}
	211
	212	/*
	213	* XDR encode functions
	214	*/
	215
1b7e0403 PS	216	/*
	217	* There must be an encoding function for void results so svc_process
	218	* will work properly.
	219	*/
	220	int
	221	nfsaclsvc_encode_voidres(struct svc_rqst rqstp, __be32 p, void *dummy)
	222	{
	223	return xdr_ressize_check(rqstp, p);
	224	}
	225
a257cdd0	226	/* GETACL */
131a21c2	227	static int nfsaclsvc_encode_getaclres(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	228	struct nfsd3_getaclres *resp)
	229	{
	230	struct dentry *dentry = resp->fh.fh_dentry;
aefa89d1	231	struct inode *inode;
a257cdd0 AG	232	struct kvec *head = rqstp->rq_res.head;
	233	unsigned int base;
	234	int n;
cb65a5ba	235	int w;
a257cdd0	236
aefa89d1 P	237	/*
	238	* Since this is version 2, the check for nfserr in
	239	* nfsd_dispatch actually ensures the following cannot happen.
	240	* However, it seems fragile to depend on that.
	241	*/
a257cdd0 AG	242	if (dentry == NULL \|\| dentry->d_inode == NULL)
	243	return 0;
	244	inode = dentry->d_inode;
	245
	246	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
	247	*p++ = htonl(resp->mask);
	248	if (!xdr_ressize_check(rqstp, p))
	249	return 0;
	250	base = (char )p - (char )head->iov_base;
	251
cb65a5ba JJ	252	rqstp->rq_res.page_len = w = nfsacl_size(
	253	(resp->mask & NFS_ACL) ? resp->acl_access : NULL,
	254	(resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
a257cdd0	255	while (w > 0) {
44524359	256	if (!rqstp->rq_respages[rqstp->rq_resused++])
a257cdd0 AG	257	return 0;
	258	w -= PAGE_SIZE;
	259	}
	260
	261	n = nfsacl_encode(&rqstp->rq_res, base, inode,
	262	resp->acl_access,
	263	resp->mask & NFS_ACL, 0);
	264	if (n > 0)
	265	n = nfsacl_encode(&rqstp->rq_res, base + n, inode,
	266	resp->acl_default,
	267	resp->mask & NFS_DFACL,
	268	NFS_ACL_DEFAULT);
	269	if (n <= 0)
	270	return 0;
	271	return 1;
	272	}
	273
131a21c2	274	static int nfsaclsvc_encode_attrstatres(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	275	struct nfsd_attrstat *resp)
	276	{
	277	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
	278	return xdr_ressize_check(rqstp, p);
	279	}
	280
	281	/* ACCESS */
131a21c2	282	static int nfsaclsvc_encode_accessres(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	283	struct nfsd3_accessres *resp)
	284	{
	285	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
	286	*p++ = htonl(resp->access);
	287	return xdr_ressize_check(rqstp, p);
	288	}
	289
	290	/*
	291	* XDR release functions
	292	*/
131a21c2	293	static int nfsaclsvc_release_getacl(struct svc_rqst rqstp, __be32 p,
a257cdd0 AG	294	struct nfsd3_getaclres *resp)
	295	{
	296	fh_put(&resp->fh);
	297	posix_acl_release(resp->acl_access);
	298	posix_acl_release(resp->acl_default);
	299	return 1;
	300	}
	301
c9ce2283 GB	302	static int nfsaclsvc_release_attrstat(struct svc_rqst rqstp, __be32 p,
c9ce2283 GB	303	struct nfsd_attrstat *resp)
a257cdd0 AG	304	{
	305	fh_put(&resp->fh);
	306	return 1;
	307	}
	308
c9ce2283 GB	309	static int nfsaclsvc_release_access(struct svc_rqst rqstp, __be32 p,
	310	struct nfsd3_accessres *resp)
	311	{
	312	fh_put(&resp->fh);
	313	return 1;
	314	}
	315
a257cdd0	316	#define nfsaclsvc_decode_voidargs NULL
a257cdd0 AG	317	#define nfsaclsvc_release_void NULL
	318	#define nfsd3_fhandleargs nfsd_fhandle
	319	#define nfsd3_attrstatres nfsd_attrstat
	320	#define nfsd3_voidres nfsd3_voidargs
	321	struct nfsd3_voidargs { int dummy; };
	322
	323	#define PROC(name, argt, rest, relt, cache, respsize) \
	324	{ (svc_procfunc) nfsacld_proc_##name, \
	325	(kxdrproc_t) nfsaclsvc_decode_##argt##args, \
	326	(kxdrproc_t) nfsaclsvc_encode_##rest##res, \
	327	(kxdrproc_t) nfsaclsvc_release_##relt, \
	328	sizeof(struct nfsd3_##argt##args), \
	329	sizeof(struct nfsd3_##rest##res), \
	330	0, \
	331	cache, \
	332	respsize, \
	333	}
	334
	335	#define ST 1 /* status*/
	336	#define AT 21 /* attributes */
	337	#define pAT (1+AT) /* post attributes - conditional */
	338	#define ACL (1+NFS_ACL_MAX_ENTRIES3) / Access Control List */
	339
	340	static struct svc_procedure nfsd_acl_procedures2[] = {
	341	PROC(null, void, void, void, RC_NOCACHE, ST),
	342	PROC(getacl, getacl, getacl, getacl, RC_NOCACHE, ST+1+2*(1+ACL)),
c9ce2283 GB	343	PROC(setacl, setacl, attrstat, attrstat, RC_NOCACHE, ST+AT),
	344	PROC(getattr, fhandle, attrstat, attrstat, RC_NOCACHE, ST+AT),
	345	PROC(access, access, access, access, RC_NOCACHE, ST+AT+1),
a257cdd0 AG	346	};
	347
	348	struct svc_version nfsd_acl_version2 = {
	349	.vs_vers = 2,
	350	.vs_nproc = 5,
	351	.vs_proc = nfsd_acl_procedures2,
	352	.vs_dispatch = nfsd_dispatch,
	353	.vs_xdrsize = NFS3_SVC_XDRSIZE,
1b7e0403	354	.vs_hidden = 0,
a257cdd0	355	};