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Diffstat (limited to 'fs/nfsd/nfs2acl.c')
-rw-r--r--fs/nfsd/nfs2acl.c137
1 files changed, 85 insertions, 52 deletions
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c
index 1c3b7654e96..12b023a7ab7 100644
--- a/fs/nfsd/nfs2acl.c
+++ b/fs/nfsd/nfs2acl.c
@@ -1,19 +1,16 @@
/*
- * linux/fs/nfsd/nfs2acl.c
- *
* Process version 2 NFSACL requests.
*
* Copyright (C) 2002-2003 Andreas Gruenbacher <agruen@suse.de>
*/
-#include <linux/sunrpc/svc.h>
-#include <linux/nfs.h>
-#include <linux/nfsd/nfsd.h>
-#include <linux/nfsd/cache.h>
-#include <linux/nfsd/xdr.h>
-#include <linux/nfsd/xdr3.h>
-#include <linux/posix_acl.h>
+#include "nfsd.h"
+/* FIXME: nfsacl.h is a broken header */
#include <linux/nfsacl.h>
+#include <linux/gfp.h>
+#include "cache.h"
+#include "xdr3.h"
+#include "vfs.h"
#define NFSDDBG_FACILITY NFSDDBG_PROC
#define RETURN_STATUS(st) { resp->status = (st); return (st); }
@@ -33,36 +30,36 @@ nfsacld_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp,
struct nfsd3_getaclargs *argp, struct nfsd3_getaclres *resp)
{
- svc_fh *fh;
struct posix_acl *acl;
+ struct inode *inode;
+ svc_fh *fh;
__be32 nfserr = 0;
dprintk("nfsd: GETACL(2acl) %s\n", SVCFH_fmt(&argp->fh));
fh = fh_copy(&resp->fh, &argp->fh);
- if ((nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP)))
+ nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
+ if (nfserr)
RETURN_STATUS(nfserr);
+ inode = fh->fh_dentry->d_inode;
+
if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT))
RETURN_STATUS(nfserr_inval);
resp->mask = argp->mask;
+ nfserr = fh_getattr(fh, &resp->stat);
+ if (nfserr)
+ goto fail;
+
if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
- acl = nfsd_get_posix_acl(fh, ACL_TYPE_ACCESS);
+ acl = get_acl(inode, 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;
- }
+ nfserr = nfserrno(PTR_ERR(acl));
+ 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;
@@ -70,17 +67,10 @@ static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp,
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);
+ acl = get_acl(inode, 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;
- }
+ nfserr = nfserrno(PTR_ERR(acl));
+ goto fail;
}
resp->acl_default = acl;
}
@@ -101,28 +91,51 @@ static __be32 nfsacld_proc_setacl(struct svc_rqst * rqstp,
struct nfsd3_setaclargs *argp,
struct nfsd_attrstat *resp)
{
+ struct inode *inode;
svc_fh *fh;
__be32 nfserr = 0;
+ int error;
dprintk("nfsd: SETACL(2acl) %s\n", SVCFH_fmt(&argp->fh));
fh = fh_copy(&resp->fh, &argp->fh);
- nfserr = fh_verify(rqstp, &resp->fh, 0, 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) );
+ nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
+ if (nfserr)
+ goto out;
+
+ inode = fh->fh_dentry->d_inode;
+ if (!IS_POSIXACL(inode) || !inode->i_op->set_acl) {
+ error = -EOPNOTSUPP;
+ goto out_errno;
}
+ error = fh_want_write(fh);
+ if (error)
+ goto out_errno;
+
+ error = inode->i_op->set_acl(inode, argp->acl_access, ACL_TYPE_ACCESS);
+ if (error)
+ goto out_drop_write;
+ error = inode->i_op->set_acl(inode, argp->acl_default,
+ ACL_TYPE_DEFAULT);
+ if (error)
+ goto out_drop_write;
+
+ fh_drop_write(fh);
+
+ nfserr = fh_getattr(fh, &resp->stat);
+
+out:
/* 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;
+out_drop_write:
+ fh_drop_write(fh);
+out_errno:
+ nfserr = nfserrno(error);
+ goto out;
}
/*
@@ -131,10 +144,15 @@ static __be32 nfsacld_proc_setacl(struct svc_rqst * rqstp,
static __be32 nfsacld_proc_getattr(struct svc_rqst * rqstp,
struct nfsd_fhandle *argp, struct nfsd_attrstat *resp)
{
+ __be32 nfserr;
dprintk("nfsd: GETATTR %s\n", SVCFH_fmt(&argp->fh));
fh_copy(&resp->fh, &argp->fh);
- return fh_verify(rqstp, &resp->fh, 0, MAY_NOP);
+ nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
+ if (nfserr)
+ return nfserr;
+ nfserr = fh_getattr(&resp->fh, &resp->stat);
+ return nfserr;
}
/*
@@ -152,6 +170,9 @@ static __be32 nfsacld_proc_access(struct svc_rqst *rqstp, struct nfsd3_accessarg
fh_copy(&resp->fh, &argp->fh);
resp->access = argp->access;
nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
+ if (nfserr)
+ return nfserr;
+ nfserr = fh_getattr(&resp->fh, &resp->stat);
return nfserr;
}
@@ -161,7 +182,8 @@ static __be32 nfsacld_proc_access(struct svc_rqst *rqstp, struct nfsd3_accessarg
static int nfsaclsvc_decode_getaclargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd3_getaclargs *argp)
{
- if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
+ p = nfs2svc_decode_fh(p, &argp->fh);
+ if (!p)
return 0;
argp->mask = ntohl(*p); p++;
@@ -176,7 +198,8 @@ static int nfsaclsvc_decode_setaclargs(struct svc_rqst *rqstp, __be32 *p,
unsigned int base;
int n;
- if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
+ p = nfs2svc_decode_fh(p, &argp->fh);
+ if (!p)
return 0;
argp->mask = ntohl(*p++);
if (argp->mask & ~(NFS_ACL|NFS_ACLCNT|NFS_DFACL|NFS_DFACLCNT) ||
@@ -197,7 +220,8 @@ static int nfsaclsvc_decode_setaclargs(struct svc_rqst *rqstp, __be32 *p,
static int nfsaclsvc_decode_fhandleargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_fhandle *argp)
{
- if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
+ p = nfs2svc_decode_fh(p, &argp->fh);
+ if (!p)
return 0;
return xdr_argsize_check(rqstp, p);
}
@@ -205,7 +229,8 @@ static int nfsaclsvc_decode_fhandleargs(struct svc_rqst *rqstp, __be32 *p,
static int nfsaclsvc_decode_accessargs(struct svc_rqst *rqstp, __be32 *p,
struct nfsd3_accessargs *argp)
{
- if (!(p = nfs2svc_decode_fh(p, &argp->fh)))
+ p = nfs2svc_decode_fh(p, &argp->fh);
+ if (!p)
return 0;
argp->access = ntohl(*p++);
@@ -216,6 +241,15 @@ static int nfsaclsvc_decode_accessargs(struct svc_rqst *rqstp, __be32 *p,
* XDR encode functions
*/
+/*
+ * There must be an encoding function for void results so svc_process
+ * will work properly.
+ */
+static 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)
@@ -236,7 +270,7 @@ static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
return 0;
inode = dentry->d_inode;
- p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
+ p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
*p++ = htonl(resp->mask);
if (!xdr_ressize_check(rqstp, p))
return 0;
@@ -246,7 +280,7 @@ static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
(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++])
+ if (!*(rqstp->rq_next_page++))
return 0;
w -= PAGE_SIZE;
}
@@ -267,7 +301,7 @@ static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
static int nfsaclsvc_encode_attrstatres(struct svc_rqst *rqstp, __be32 *p,
struct nfsd_attrstat *resp)
{
- p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
+ p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
return xdr_ressize_check(rqstp, p);
}
@@ -275,7 +309,7 @@ static int nfsaclsvc_encode_attrstatres(struct svc_rqst *rqstp, __be32 *p,
static int nfsaclsvc_encode_accessres(struct svc_rqst *rqstp, __be32 *p,
struct nfsd3_accessres *resp)
{
- p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
+ p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
*p++ = htonl(resp->access);
return xdr_ressize_check(rqstp, p);
}
@@ -307,7 +341,6 @@ static int nfsaclsvc_release_access(struct svc_rqst *rqstp, __be32 *p,
}
#define nfsaclsvc_decode_voidargs NULL
-#define nfsaclsvc_encode_voidres NULL
#define nfsaclsvc_release_void NULL
#define nfsd3_fhandleargs nfsd_fhandle
#define nfsd3_attrstatres nfsd_attrstat
@@ -345,5 +378,5 @@ struct svc_version nfsd_acl_version2 = {
.vs_proc = nfsd_acl_procedures2,
.vs_dispatch = nfsd_dispatch,
.vs_xdrsize = NFS3_SVC_XDRSIZE,
- .vs_hidden = 1,
+ .vs_hidden = 0,
};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 02:02:49 +0000