^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Process version 3 NFSACL requests.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2002-2003 Andreas Gruenbacher <agruen@suse.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include "nfsd.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) /* FIXME: nfsacl.h is a broken header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/nfsacl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/gfp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "cache.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "xdr3.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "vfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * NULL call.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static __be32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) nfsd3_proc_null(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * Get the Access and/or Default ACL of a file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static __be32 nfsd3_proc_getacl(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct nfsd3_getaclargs *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct nfsd3_getaclres *resp = rqstp->rq_resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct posix_acl *acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) svc_fh *fh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) fh = fh_copy(&resp->fh, &argp->fh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) if (resp->status != nfs_ok)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) inode = d_inode(fh->fh_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) if (argp->mask & ~NFS_ACL_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) resp->status = nfserr_inval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) resp->mask = argp->mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) acl = get_acl(inode, ACL_TYPE_ACCESS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) if (acl == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) /* Solaris returns the inode's minimum ACL. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) if (IS_ERR(acl)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) resp->status = nfserrno(PTR_ERR(acl));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) resp->acl_access = acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) if (resp->mask & (NFS_DFACL|NFS_DFACLCNT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) /* Check how Solaris handles requests for the Default ACL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) of a non-directory! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) acl = get_acl(inode, ACL_TYPE_DEFAULT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) if (IS_ERR(acl)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) resp->status = nfserrno(PTR_ERR(acl));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) resp->acl_default = acl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) /* resp->acl_{access,default} are released in nfs3svc_release_getacl. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) posix_acl_release(resp->acl_access);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) posix_acl_release(resp->acl_default);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) * Set the Access and/or Default ACL of a file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) static __be32 nfsd3_proc_setacl(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct nfsd3_setaclargs *argp = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct nfsd3_attrstat *resp = rqstp->rq_resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct inode *inode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) svc_fh *fh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) int error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) fh = fh_copy(&resp->fh, &argp->fh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) resp->status = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_SATTR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) if (resp->status != nfs_ok)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) inode = d_inode(fh->fh_dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) error = fh_want_write(fh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) goto out_errno;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) fh_lock(fh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) error = set_posix_acl(inode, ACL_TYPE_ACCESS, argp->acl_access);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) goto out_drop_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) error = set_posix_acl(inode, ACL_TYPE_DEFAULT, argp->acl_default);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) out_drop_lock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) fh_unlock(fh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) fh_drop_write(fh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) out_errno:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) resp->status = nfserrno(error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) /* argp->acl_{access,default} may have been allocated in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) nfs3svc_decode_setaclargs. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) posix_acl_release(argp->acl_access);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) posix_acl_release(argp->acl_default);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) return rpc_success;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) * XDR decode functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static int nfs3svc_decode_getaclargs(struct svc_rqst *rqstp, __be32 *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) struct nfsd3_getaclargs *args = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) p = nfs3svc_decode_fh(p, &args->fh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) if (!p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) args->mask = ntohl(*p); p++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) return xdr_argsize_check(rqstp, p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static int nfs3svc_decode_setaclargs(struct svc_rqst *rqstp, __be32 *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) struct nfsd3_setaclargs *args = rqstp->rq_argp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) struct kvec *head = rqstp->rq_arg.head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) unsigned int base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) int n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) p = nfs3svc_decode_fh(p, &args->fh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) if (!p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) args->mask = ntohl(*p++);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) if (args->mask & ~NFS_ACL_MASK ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) !xdr_argsize_check(rqstp, p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) base = (char *)p - (char *)head->iov_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) n = nfsacl_decode(&rqstp->rq_arg, base, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) (args->mask & NFS_ACL) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) &args->acl_access : NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) if (n > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) n = nfsacl_decode(&rqstp->rq_arg, base + n, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) (args->mask & NFS_DFACL) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) &args->acl_default : NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) return (n > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) * XDR encode functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) /* GETACL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static int nfs3svc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct nfsd3_getaclres *resp = rqstp->rq_resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) struct dentry *dentry = resp->fh.fh_dentry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) *p++ = resp->status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) p = nfs3svc_encode_post_op_attr(rqstp, p, &resp->fh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) if (resp->status == 0 && dentry && d_really_is_positive(dentry)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) struct inode *inode = d_inode(dentry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) struct kvec *head = rqstp->rq_res.head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) unsigned int base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) int n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) int w;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) *p++ = htonl(resp->mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) if (!xdr_ressize_check(rqstp, p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) base = (char *)p - (char *)head->iov_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) rqstp->rq_res.page_len = w = nfsacl_size(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) (resp->mask & NFS_ACL) ? resp->acl_access : NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) (resp->mask & NFS_DFACL) ? resp->acl_default : NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) while (w > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (!*(rqstp->rq_next_page++))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) w -= PAGE_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) n = nfsacl_encode(&rqstp->rq_res, base, inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) resp->acl_access,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) resp->mask & NFS_ACL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) if (n > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) n = nfsacl_encode(&rqstp->rq_res, base + n, inode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) resp->acl_default,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) resp->mask & NFS_DFACL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) NFS_ACL_DEFAULT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if (n <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (!xdr_ressize_check(rqstp, p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) /* SETACL */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) static int nfs3svc_encode_setaclres(struct svc_rqst *rqstp, __be32 *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) struct nfsd3_attrstat *resp = rqstp->rq_resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) *p++ = resp->status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) p = nfs3svc_encode_post_op_attr(rqstp, p, &resp->fh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) return xdr_ressize_check(rqstp, p);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) * XDR release functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) static void nfs3svc_release_getacl(struct svc_rqst *rqstp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) struct nfsd3_getaclres *resp = rqstp->rq_resp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) fh_put(&resp->fh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) posix_acl_release(resp->acl_access);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) posix_acl_release(resp->acl_default);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) struct nfsd3_voidargs { int dummy; };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) #define ST 1 /* status*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) #define AT 21 /* attributes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) #define pAT (1+AT) /* post attributes - conditional */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) #define ACL (1+NFS_ACL_MAX_ENTRIES*3) /* Access Control List */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) static const struct svc_procedure nfsd_acl_procedures3[3] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) [ACLPROC3_NULL] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) .pc_func = nfsd3_proc_null,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) .pc_decode = nfs3svc_decode_voidarg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) .pc_encode = nfs3svc_encode_voidres,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) .pc_argsize = sizeof(struct nfsd3_voidargs),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) .pc_ressize = sizeof(struct nfsd3_voidargs),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) .pc_cachetype = RC_NOCACHE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) .pc_xdrressize = ST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) [ACLPROC3_GETACL] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) .pc_func = nfsd3_proc_getacl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) .pc_decode = nfs3svc_decode_getaclargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) .pc_encode = nfs3svc_encode_getaclres,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) .pc_release = nfs3svc_release_getacl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) .pc_argsize = sizeof(struct nfsd3_getaclargs),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) .pc_ressize = sizeof(struct nfsd3_getaclres),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) .pc_cachetype = RC_NOCACHE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) .pc_xdrressize = ST+1+2*(1+ACL),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) [ACLPROC3_SETACL] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) .pc_func = nfsd3_proc_setacl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) .pc_decode = nfs3svc_decode_setaclargs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) .pc_encode = nfs3svc_encode_setaclres,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) .pc_release = nfs3svc_release_fhandle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) .pc_argsize = sizeof(struct nfsd3_setaclargs),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) .pc_ressize = sizeof(struct nfsd3_attrstat),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) .pc_cachetype = RC_NOCACHE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) .pc_xdrressize = ST+pAT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) static unsigned int nfsd_acl_count3[ARRAY_SIZE(nfsd_acl_procedures3)];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) const struct svc_version nfsd_acl_version3 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) .vs_vers = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) .vs_nproc = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) .vs_proc = nfsd_acl_procedures3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) .vs_count = nfsd_acl_count3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) .vs_dispatch = nfsd_dispatch,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) .vs_xdrsize = NFS3_SVC_XDRSIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286)