+++ /dev/null
-/* NFSv4.1 client for Windows
- * Copyright © 2012 The Regents of the University of Michigan
- *
- * Olga Kornievskaia <aglo@umich.edu>
- * Casey Bodley <cbodley@umich.edu>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or (at
- * your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but
- * without any warranty; without even the implied warranty of merchantability
- * or fitness for a particular purpose. See the GNU Lesser General Public
- * License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this library; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- */
-
-#include <windows.h>
-#include <strsafe.h>
-#include <stdio.h>
-
-#include "daemon_debug.h"
-#include "nfs41_ops.h"
-#include "upcall.h"
-#include "util.h"
-
-
-/* NFS41_MOUNT */
-static int parse_mount(unsigned char *buffer, uint32_t length, nfs41_upcall *upcall)
-{
- int status;
- mount_upcall_args *args = &upcall->args.mount;
-
- status = get_name(&buffer, &length, &args->hostname);
- if(status) goto out;
- status = get_name(&buffer, &length, &args->path);
- if(status) goto out;
- status = safe_read(&buffer, &length, &args->sec_flavor, sizeof(DWORD));
- if (status) goto out;
- status = safe_read(&buffer, &length, &args->rsize, sizeof(DWORD));
- if (status) goto out;
- status = safe_read(&buffer, &length, &args->wsize, sizeof(DWORD));
- if (status) goto out;
-
- dprintf(1, "parsing NFS14_MOUNT: srv_name=%s root=%s sec_flavor=%s "
- "rsize=%d wsize=%d\n", args->hostname, args->path,
- secflavorop2name(args->sec_flavor), args->rsize, args->wsize);
-out:
- return status;
-}
-
-static int handle_mount(nfs41_upcall *upcall)
-{
- int status;
- mount_upcall_args *args = &upcall->args.mount;
- nfs41_abs_path path;
- multi_addr4 addrs;
- nfs41_root *root;
- nfs41_client *client;
- nfs41_path_fh file;
-
- // resolve hostname,port
- status = nfs41_server_resolve(args->hostname, 2049, &addrs);
- if (status) {
- eprintf("nfs41_server_resolve() failed with %d\n", status);
- goto out;
- }
-
- if (upcall->root_ref != INVALID_HANDLE_VALUE) {
- /* use an existing root from a previous mount, but don't take an
- * extra reference; we'll only get one UNMOUNT upcall for each root */
- root = upcall->root_ref;
- } else {
- // create root
- status = nfs41_root_create(args->hostname, args->sec_flavor,
- args->wsize + WRITE_OVERHEAD, args->rsize + READ_OVERHEAD, &root);
- if (status) {
- eprintf("nfs41_root_create() failed %d\n", status);
- goto out;
- }
- root->uid = upcall->uid;
- root->gid = upcall->gid;
- }
-
- // find or create the client/session
- status = nfs41_root_mount_addrs(root, &addrs, 0, 0, &client);
- if (status) {
- eprintf("nfs41_root_mount_addrs() failed with %d\n", status);
- goto out_err;
- }
-
- // make a copy of the path for nfs41_lookup()
- InitializeSRWLock(&path.lock);
- if (FAILED(StringCchCopyA(path.path, NFS41_MAX_PATH_LEN, args->path))) {
- status = ERROR_FILENAME_EXCED_RANGE;
- goto out_err;
- }
- path.len = (unsigned short)strlen(path.path);
-
- // look up the mount path, and fail if it doesn't exist
- status = nfs41_lookup(root, client->session,
- &path, NULL, &file, NULL, NULL);
- if (status) {
- eprintf("nfs41_lookup('%s') failed with %d\n", path.path, status);
- status = ERROR_BAD_NETPATH;
- goto out_err;
- }
-
- nfs41_superblock_fs_attributes(file.fh.superblock, &args->FsAttrs);
-
- if (upcall->root_ref == INVALID_HANDLE_VALUE)
- nfs41_root_ref(root);
- upcall->root_ref = root;
- args->lease_time = client->session->lease_time;
-out:
- return status;
-
-out_err:
- if (upcall->root_ref == INVALID_HANDLE_VALUE)
- nfs41_root_deref(root);
- goto out;
-}
-
-static int marshall_mount(unsigned char *buffer, uint32_t *length, nfs41_upcall *upcall)
-{
- mount_upcall_args *args = &upcall->args.mount;
- int status;
- dprintf(2, "NFS41_MOUNT: writing pointer to nfs41_root %p, version %d, "
- "lease_time %d\n", upcall->root_ref, NFS41D_VERSION, args->lease_time);
- status = safe_write(&buffer, length, &upcall->root_ref, sizeof(HANDLE));
- if (status) goto out;
- status = safe_write(&buffer, length, &NFS41D_VERSION, sizeof(DWORD));
- if (status) goto out;
- status = safe_write(&buffer, length, &args->lease_time, sizeof(DWORD));
- if (status) goto out;
- status = safe_write(&buffer, length, &args->FsAttrs, sizeof(args->FsAttrs));
-out:
- return status;
-}
-
-static void cancel_mount(IN nfs41_upcall *upcall)
-{
- if (upcall->root_ref != INVALID_HANDLE_VALUE)
- nfs41_root_deref(upcall->root_ref);
-}
-
-const nfs41_upcall_op nfs41_op_mount = {
- parse_mount,
- handle_mount,
- marshall_mount,
- cancel_mount
-};
-
-
-/* NFS41_UNMOUNT */
-static int parse_unmount(unsigned char *buffer, uint32_t length, nfs41_upcall *upcall)
-{
- dprintf(1, "parsing NFS41_UNMOUNT: root=%p\n", upcall->root_ref);
- return ERROR_SUCCESS;
-}
-
-static int handle_unmount(nfs41_upcall *upcall)
-{
- /* release the original reference from nfs41_root_create() */
- nfs41_root_deref(upcall->root_ref);
- return ERROR_SUCCESS;
-}
-
-const nfs41_upcall_op nfs41_op_unmount = {
- parse_unmount,
- handle_unmount
-};
projects / reactos.git / blobdiff