diff options
Diffstat (limited to 'fs/nfsd/nfs2acl.c')
| -rw-r--r-- | fs/nfsd/nfs2acl.c | 72 |
1 files changed, 40 insertions, 32 deletions
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c index 95d76dc6c5da..11c1fba29312 100644 --- a/fs/nfsd/nfs2acl.c +++ b/fs/nfsd/nfs2acl.c @@ -30,8 +30,9 @@ 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)); @@ -41,6 +42,8 @@ static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp, 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; @@ -50,21 +53,13 @@ static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp, 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; @@ -72,17 +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; } @@ -103,31 +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, NFSD_MAY_SATTR); + if (nfserr) + goto out; - 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) ); - } - if (!nfserr) { - nfserr = fh_getattr(fh, &resp->stat); + 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; } /* |