1584 lines
31 KiB
C
1584 lines
31 KiB
C
/*
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Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* High level api to nfs filesystems
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#ifdef AROS
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#include "aros_compat.h"
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#endif
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#ifdef WIN32
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#include "win32_compat.h"
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#else
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#include <strings.h>
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#include <netdb.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#endif /*WIN32*/
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#ifdef ANDROID
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#define statvfs statfs
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#endif
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#ifdef HAVE_SYS_VFS_H
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#include <sys/vfs.h>
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#endif
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#ifdef HAVE_SYS_STATVFS_H
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#include <sys/statvfs.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#ifdef HAVE_POLL_H
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#include <poll.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#ifdef HAVE_SYS_SOCKIO_H
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#include <sys/sockio.h>
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#endif
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#include "libnfs-zdr.h"
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#include "libnfs.h"
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#include "libnfs-raw.h"
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#include "libnfs-raw-mount.h"
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#include "libnfs-raw-nfs.h"
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#include "libnfs-private.h"
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struct sync_cb_data {
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int is_finished;
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int status;
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uint64_t offset;
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void *return_data;
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int return_int;
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};
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static void wait_for_reply(struct rpc_context *rpc, struct sync_cb_data *cb_data)
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{
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struct pollfd pfd;
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assert(rpc->magic == RPC_CONTEXT_MAGIC);
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while (!cb_data->is_finished) {
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pfd.fd = rpc_get_fd(rpc);
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pfd.events = rpc_which_events(rpc);
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if (poll(&pfd, 1, -1) < 0) {
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rpc_set_error(rpc, "Poll failed");
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cb_data->status = -EIO;
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break;
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}
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if (rpc_service(rpc, pfd.revents) < 0) {
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rpc_set_error(rpc, "rpc_service failed");
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cb_data->status = -EIO;
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break;
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}
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if (rpc_get_fd(rpc) == -1) {
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rpc_set_error(rpc, "Socket closed\n");
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break;
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}
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}
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}
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static void wait_for_nfs_reply(struct nfs_context *nfs, struct sync_cb_data *cb_data)
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{
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struct pollfd pfd;
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while (!cb_data->is_finished) {
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pfd.fd = nfs_get_fd(nfs);
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pfd.events = nfs_which_events(nfs);
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if (poll(&pfd, 1, -1) < 0) {
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nfs_set_error(nfs, "Poll failed");
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cb_data->status = -EIO;
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break;
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}
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if (nfs_service(nfs, pfd.revents) < 0) {
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nfs_set_error(nfs, "nfs_service failed");
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cb_data->status = -EIO;
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break;
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}
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}
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}
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/*
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* connect to the server and mount the export
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*/
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static void mount_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
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{
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struct sync_cb_data *cb_data = private_data;
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cb_data->is_finished = 1;
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cb_data->status = status;
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if (status < 0) {
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nfs_set_error(nfs, "mount/mnt call failed with \"%s\"", (char *)data);
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return;
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}
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}
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int nfs_mount(struct nfs_context *nfs, const char *server, const char *export)
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{
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struct sync_cb_data cb_data;
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struct rpc_context *rpc = nfs_get_rpc_context(nfs);
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assert(rpc->magic == RPC_CONTEXT_MAGIC);
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cb_data.is_finished = 0;
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if (nfs_mount_async(nfs, server, export, mount_cb, &cb_data) != 0) {
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nfs_set_error(nfs, "nfs_mount_async failed");
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return -1;
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}
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wait_for_nfs_reply(nfs, &cb_data);
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/* Dont want any more callbacks even if the socket is closed */
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rpc->connect_cb = NULL;
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return cb_data.status;
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}
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/*
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* stat()
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*/
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static void stat_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
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{
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struct sync_cb_data *cb_data = private_data;
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cb_data->is_finished = 1;
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cb_data->status = status;
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if (status < 0) {
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nfs_set_error(nfs, "stat call failed with \"%s\"", (char *)data);
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return;
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}
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memcpy(cb_data->return_data, data, sizeof(struct stat));
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}
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int nfs_stat(struct nfs_context *nfs, const char *path, struct stat *st)
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{
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struct sync_cb_data cb_data;
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cb_data.is_finished = 0;
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cb_data.return_data = st;
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if (nfs_stat_async(nfs, path, stat_cb, &cb_data) != 0) {
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nfs_set_error(nfs, "nfs_stat_async failed");
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return -1;
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}
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wait_for_nfs_reply(nfs, &cb_data);
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return cb_data.status;
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}
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/*
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* open()
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*/
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static void open_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
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{
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struct sync_cb_data *cb_data = private_data;
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struct nfsfh *fh, **nfsfh;
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cb_data->is_finished = 1;
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cb_data->status = status;
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if (status < 0) {
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nfs_set_error(nfs, "open call failed with \"%s\"", (char *)data);
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return;
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}
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fh = data;
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nfsfh = cb_data->return_data;
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*nfsfh = fh;
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}
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int nfs_open(struct nfs_context *nfs, const char *path, int mode, struct nfsfh **nfsfh)
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{
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struct sync_cb_data cb_data;
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cb_data.is_finished = 0;
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cb_data.return_data = nfsfh;
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if (nfs_open_async(nfs, path, mode, open_cb, &cb_data) != 0) {
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nfs_set_error(nfs, "nfs_open_async failed");
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return -1;
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}
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wait_for_nfs_reply(nfs, &cb_data);
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return cb_data.status;
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}
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/*
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* pread()
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*/
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static void pread_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
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{
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struct sync_cb_data *cb_data = private_data;
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char *buffer;
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cb_data->is_finished = 1;
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cb_data->status = status;
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if (status < 0) {
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nfs_set_error(nfs, "pread call failed with \"%s\"", (char *)data);
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return;
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}
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buffer = cb_data->return_data;
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memcpy(buffer, (char *)data, status);
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}
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int nfs_pread(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, char *buffer)
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{
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struct sync_cb_data cb_data;
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cb_data.is_finished = 0;
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cb_data.return_data = buffer;
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if (nfs_pread_async(nfs, nfsfh, offset, count, pread_cb, &cb_data) != 0) {
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nfs_set_error(nfs, "nfs_pread_async failed");
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return -1;
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}
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wait_for_nfs_reply(nfs, &cb_data);
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return cb_data.status;
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}
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/*
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* read()
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*/
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int nfs_read(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buffer)
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{
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return nfs_pread(nfs, nfsfh, nfs_get_current_offset(nfsfh), count, buffer);
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}
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/*
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* close()
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*/
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static void close_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
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{
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struct sync_cb_data *cb_data = private_data;
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cb_data->is_finished = 1;
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cb_data->status = status;
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if (status < 0) {
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nfs_set_error(nfs, "close call failed with \"%s\"", (char *)data);
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return;
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}
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}
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int nfs_close(struct nfs_context *nfs, struct nfsfh *nfsfh)
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{
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struct sync_cb_data cb_data;
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cb_data.is_finished = 0;
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if (nfs_close_async(nfs, nfsfh, close_cb, &cb_data) != 0) {
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nfs_set_error(nfs, "nfs_close_async failed");
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return -1;
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}
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wait_for_nfs_reply(nfs, &cb_data);
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return cb_data.status;
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}
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/*
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* fstat()
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*/
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int nfs_fstat(struct nfs_context *nfs, struct nfsfh *nfsfh, struct stat *st)
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{
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struct sync_cb_data cb_data;
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cb_data.is_finished = 0;
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cb_data.return_data = st;
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if (nfs_fstat_async(nfs, nfsfh, stat_cb, &cb_data) != 0) {
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nfs_set_error(nfs, "nfs_fstat_async failed");
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return -1;
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}
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wait_for_nfs_reply(nfs, &cb_data);
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return cb_data.status;
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}
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/*
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* pwrite()
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*/
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static void pwrite_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
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{
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struct sync_cb_data *cb_data = private_data;
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cb_data->is_finished = 1;
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cb_data->status = status;
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if (status < 0) {
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nfs_set_error(nfs, "pwrite call failed with \"%s\"", (char *)data);
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return;
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}
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}
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int nfs_pwrite(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, uint64_t count, char *buf)
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{
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struct sync_cb_data cb_data;
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cb_data.is_finished = 0;
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if (nfs_pwrite_async(nfs, nfsfh, offset, count, buf, pwrite_cb, &cb_data) != 0) {
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nfs_set_error(nfs, "nfs_pwrite_async failed");
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return -1;
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}
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wait_for_nfs_reply(nfs, &cb_data);
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return cb_data.status;
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}
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/*
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* write()
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*/
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int nfs_write(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count, char *buf)
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{
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return nfs_pwrite(nfs, nfsfh, nfs_get_current_offset(nfsfh), count, buf);
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}
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/*
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* fsync()
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*/
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static void fsync_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
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{
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struct sync_cb_data *cb_data = private_data;
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cb_data->is_finished = 1;
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cb_data->status = status;
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if (status < 0) {
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nfs_set_error(nfs, "fsync call failed with \"%s\"", (char *)data);
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return;
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}
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}
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int nfs_fsync(struct nfs_context *nfs, struct nfsfh *nfsfh)
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{
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struct sync_cb_data cb_data;
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cb_data.is_finished = 0;
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if (nfs_fsync_async(nfs, nfsfh, fsync_cb, &cb_data) != 0) {
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nfs_set_error(nfs, "nfs_fsync_async failed");
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return -1;
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}
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wait_for_nfs_reply(nfs, &cb_data);
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return cb_data.status;
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}
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/*
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* ftruncate()
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*/
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static void ftruncate_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
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{
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struct sync_cb_data *cb_data = private_data;
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cb_data->is_finished = 1;
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cb_data->status = status;
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if (status < 0) {
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nfs_set_error(nfs, "ftruncate call failed with \"%s\"", (char *)data);
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return;
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}
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}
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int nfs_ftruncate(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length)
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{
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struct sync_cb_data cb_data;
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cb_data.is_finished = 0;
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if (nfs_ftruncate_async(nfs, nfsfh, length, ftruncate_cb, &cb_data) != 0) {
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nfs_set_error(nfs, "nfs_ftruncate_async failed");
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return -1;
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}
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wait_for_nfs_reply(nfs, &cb_data);
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return cb_data.status;
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}
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/*
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* truncate()
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*/
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static void truncate_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
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{
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struct sync_cb_data *cb_data = private_data;
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cb_data->is_finished = 1;
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cb_data->status = status;
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if (status < 0) {
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nfs_set_error(nfs, "truncate call failed with \"%s\"", (char *)data);
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return;
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}
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}
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int nfs_truncate(struct nfs_context *nfs, const char *path, uint64_t length)
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{
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struct sync_cb_data cb_data;
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cb_data.is_finished = 0;
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if (nfs_truncate_async(nfs, path, length, truncate_cb, &cb_data) != 0) {
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nfs_set_error(nfs, "nfs_ftruncate_async failed");
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return -1;
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}
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wait_for_nfs_reply(nfs, &cb_data);
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return cb_data.status;
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}
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/*
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* mkdir()
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*/
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static void mkdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
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{
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struct sync_cb_data *cb_data = private_data;
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cb_data->is_finished = 1;
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cb_data->status = status;
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if (status < 0) {
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nfs_set_error(nfs, "mkdir call failed with \"%s\"", (char *)data);
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return;
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}
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}
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int nfs_mkdir(struct nfs_context *nfs, const char *path)
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{
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struct sync_cb_data cb_data;
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cb_data.is_finished = 0;
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if (nfs_mkdir_async(nfs, path, mkdir_cb, &cb_data) != 0) {
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nfs_set_error(nfs, "nfs_mkdir_async failed");
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return -1;
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}
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wait_for_nfs_reply(nfs, &cb_data);
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return cb_data.status;
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}
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/*
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* rmdir()
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*/
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static void rmdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
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{
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struct sync_cb_data *cb_data = private_data;
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cb_data->is_finished = 1;
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cb_data->status = status;
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if (status < 0) {
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nfs_set_error(nfs, "rmdir call failed with \"%s\"", (char *)data);
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return;
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}
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}
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int nfs_rmdir(struct nfs_context *nfs, const char *path)
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{
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struct sync_cb_data cb_data;
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cb_data.is_finished = 0;
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if (nfs_rmdir_async(nfs, path, rmdir_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_rmdir_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* creat()
|
|
*/
|
|
static void creat_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
struct nfsfh *fh, **nfsfh;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "creat call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
|
|
fh = data;
|
|
nfsfh = cb_data->return_data;
|
|
*nfsfh = fh;
|
|
}
|
|
|
|
int nfs_creat(struct nfs_context *nfs, const char *path, int mode, struct nfsfh **nfsfh)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
cb_data.return_data = nfsfh;
|
|
|
|
if (nfs_creat_async(nfs, path, mode, creat_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_creat_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
/*
|
|
* mknod()
|
|
*/
|
|
static void mknod_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "mknod call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int nfs_mknod(struct nfs_context *nfs, const char *path, int mode, int dev)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
|
|
if (nfs_mknod_async(nfs, path, mode, dev, mknod_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_creat_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
/*
|
|
* unlink()
|
|
*/
|
|
static void unlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "unlink call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int nfs_unlink(struct nfs_context *nfs, const char *path)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
|
|
if (nfs_unlink_async(nfs, path, unlink_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_unlink_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* opendir()
|
|
*/
|
|
static void opendir_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
struct nfsdir *dir, **nfsdir;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "opendir call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
|
|
dir = data;
|
|
nfsdir = cb_data->return_data;
|
|
*nfsdir = dir;
|
|
}
|
|
|
|
int nfs_opendir(struct nfs_context *nfs, const char *path, struct nfsdir **nfsdir)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
cb_data.return_data = nfsdir;
|
|
|
|
if (nfs_opendir_async(nfs, path, opendir_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_opendir_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
/*
|
|
* lseek()
|
|
*/
|
|
static void lseek_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "lseek call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
|
|
if (cb_data->return_data != NULL) {
|
|
memcpy(cb_data->return_data, data, sizeof(uint64_t));
|
|
}
|
|
}
|
|
|
|
int nfs_lseek(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset, int whence, uint64_t *current_offset)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
cb_data.return_data = current_offset;
|
|
|
|
if (nfs_lseek_async(nfs, nfsfh, offset, whence, lseek_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_lseek_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* statvfs()
|
|
*/
|
|
static void statvfs_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "statvfs call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
|
|
memcpy(cb_data->return_data, data, sizeof(struct statvfs));
|
|
}
|
|
|
|
int nfs_statvfs(struct nfs_context *nfs, const char *path, struct statvfs *svfs)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
cb_data.return_data = svfs;
|
|
|
|
if (nfs_statvfs_async(nfs, path, statvfs_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_statvfs_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
* readlink()
|
|
*/
|
|
static void readlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "readlink call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
|
|
if (strlen(data) > (size_t)cb_data->return_int) {
|
|
nfs_set_error(nfs, "Too small buffer for readlink");
|
|
cb_data->status = -ENAMETOOLONG;
|
|
return;
|
|
}
|
|
|
|
memcpy(cb_data->return_data, data, strlen(data)+1);
|
|
}
|
|
|
|
int nfs_readlink(struct nfs_context *nfs, const char *path, char *buf, int bufsize)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
cb_data.return_data = buf;
|
|
cb_data.return_int = bufsize;
|
|
|
|
if (nfs_readlink_async(nfs, path, readlink_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_readlink_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* chmod()
|
|
*/
|
|
static void chmod_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "chmod call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int nfs_chmod(struct nfs_context *nfs, const char *path, int mode)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
|
|
if (nfs_chmod_async(nfs, path, mode, chmod_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_chmod_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
* fchmod()
|
|
*/
|
|
static void fchmod_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "fchmod call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int nfs_fchmod(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
|
|
if (nfs_fchmod_async(nfs, nfsfh, mode, fchmod_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_fchmod_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
* chown()
|
|
*/
|
|
static void chown_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "chown call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int nfs_chown(struct nfs_context *nfs, const char *path, int uid, int gid)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
|
|
if (nfs_chown_async(nfs, path, uid, gid, chown_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_chown_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
/*
|
|
* fchown()
|
|
*/
|
|
static void fchown_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "fchown call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int nfs_fchown(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
|
|
if (nfs_fchown_async(nfs, nfsfh, uid, gid, fchown_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_fchown_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* utimes()
|
|
*/
|
|
static void utimes_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "utimes call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int nfs_utimes(struct nfs_context *nfs, const char *path, struct timeval *times)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
|
|
if (nfs_utimes_async(nfs, path, times, utimes_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_utimes_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* utime()
|
|
*/
|
|
static void utime_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "utime call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int nfs_utime(struct nfs_context *nfs, const char *path, struct utimbuf *times)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
|
|
if (nfs_utime_async(nfs, path, times, utime_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_utimes_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
* access()
|
|
*/
|
|
static void access_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "access call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int nfs_access(struct nfs_context *nfs, const char *path, int mode)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
|
|
if (nfs_access_async(nfs, path, mode, access_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_access_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* symlink()
|
|
*/
|
|
static void symlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "symlink call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int nfs_symlink(struct nfs_context *nfs, const char *oldpath, const char *newpath)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
|
|
if (nfs_symlink_async(nfs, oldpath, newpath, symlink_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_symlink_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* rename()
|
|
*/
|
|
static void rename_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "rename call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int nfs_rename(struct nfs_context *nfs, const char *oldpath, const char *newpath)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
|
|
if (nfs_rename_async(nfs, oldpath, newpath, rename_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_rename_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* link()
|
|
*/
|
|
static void link_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
|
|
if (status < 0) {
|
|
nfs_set_error(nfs, "link call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
int nfs_link(struct nfs_context *nfs, const char *oldpath, const char *newpath)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
|
|
cb_data.is_finished = 0;
|
|
|
|
if (nfs_link_async(nfs, oldpath, newpath, link_cb, &cb_data) != 0) {
|
|
nfs_set_error(nfs, "nfs_link_async failed");
|
|
return -1;
|
|
}
|
|
|
|
wait_for_nfs_reply(nfs, &cb_data);
|
|
|
|
return cb_data.status;
|
|
}
|
|
|
|
void mount_getexports_cb(struct rpc_context *mount_context, int status, void *data, void *private_data)
|
|
{
|
|
struct sync_cb_data *cb_data = private_data;
|
|
exports export;
|
|
|
|
assert(mount_context->magic == RPC_CONTEXT_MAGIC);
|
|
|
|
cb_data->is_finished = 1;
|
|
cb_data->status = status;
|
|
cb_data->return_data = NULL;
|
|
|
|
if (status != 0) {
|
|
rpc_set_error(mount_context, "mount/export call failed with \"%s\"", (char *)data);
|
|
return;
|
|
}
|
|
|
|
export = *(exports *)data;
|
|
while (export != NULL) {
|
|
exports new_export;
|
|
|
|
new_export = malloc(sizeof(*new_export));
|
|
memset(new_export, 0, sizeof(*new_export));
|
|
new_export->ex_dir = strdup(export->ex_dir);
|
|
new_export->ex_next = cb_data->return_data;
|
|
|
|
cb_data->return_data = new_export;
|
|
|
|
export = export->ex_next;
|
|
}
|
|
}
|
|
|
|
struct exportnode *mount_getexports(const char *server)
|
|
{
|
|
struct sync_cb_data cb_data;
|
|
struct rpc_context *rpc;
|
|
|
|
|
|
cb_data.is_finished = 0;
|
|
cb_data.return_data = NULL;
|
|
|
|
rpc = rpc_init_context();
|
|
if (mount_getexports_async(rpc, server, mount_getexports_cb, &cb_data) != 0) {
|
|
rpc_destroy_context(rpc);
|
|
return NULL;
|
|
}
|
|
|
|
wait_for_reply(rpc, &cb_data);
|
|
rpc_destroy_context(rpc);
|
|
|
|
return cb_data.return_data;
|
|
}
|
|
|
|
void mount_free_export_list(struct exportnode *exports)
|
|
{
|
|
struct exportnode *tmp;
|
|
|
|
while ((tmp = exports)) {
|
|
exports = exports->ex_next;
|
|
free(tmp->ex_dir);
|
|
free(tmp);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void free_nfs_srvr_list(struct nfs_server_list *srv)
|
|
{
|
|
while (srv != NULL) {
|
|
struct nfs_server_list *next = srv->next;
|
|
|
|
free(srv->addr);
|
|
free(srv);
|
|
srv = next;
|
|
}
|
|
}
|
|
|
|
struct nfs_list_data {
|
|
int status;
|
|
struct nfs_server_list *srvrs;
|
|
};
|
|
|
|
void callit_cb(struct rpc_context *rpc, int status, void *data _U_, void *private_data)
|
|
{
|
|
struct nfs_list_data *srv_data = private_data;
|
|
struct sockaddr *sin;
|
|
char hostdd[16];
|
|
struct nfs_server_list *srvr;
|
|
|
|
assert(rpc->magic == RPC_CONTEXT_MAGIC);
|
|
|
|
if (status == RPC_STATUS_CANCEL) {
|
|
return;
|
|
}
|
|
if (status != 0) {
|
|
srv_data->status = -1;
|
|
return;
|
|
}
|
|
|
|
sin = rpc_get_recv_sockaddr(rpc);
|
|
if (sin == NULL) {
|
|
rpc_set_error(rpc, "failed to get sockaddr in CALLIT callback");
|
|
srv_data->status = -1;
|
|
return;
|
|
}
|
|
|
|
if (getnameinfo(sin, sizeof(struct sockaddr_in), &hostdd[0], sizeof(hostdd), NULL, 0, NI_NUMERICHOST) < 0) {
|
|
rpc_set_error(rpc, "getnameinfo failed in CALLIT callback");
|
|
srv_data->status = -1;
|
|
return;
|
|
}
|
|
|
|
/* check for dupes */
|
|
for (srvr = srv_data->srvrs; srvr; srvr = srvr->next) {
|
|
if (!strcmp(hostdd, srvr->addr)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
srvr = malloc(sizeof(struct nfs_server_list));
|
|
if (srvr == NULL) {
|
|
rpc_set_error(rpc, "Malloc failed when allocating server structure");
|
|
srv_data->status = -1;
|
|
return;
|
|
}
|
|
|
|
srvr->addr = strdup(hostdd);
|
|
if (srvr->addr == NULL) {
|
|
rpc_set_error(rpc, "Strdup failed when allocating server structure");
|
|
free(srvr);
|
|
srv_data->status = -1;
|
|
return;
|
|
}
|
|
|
|
srvr->next = srv_data->srvrs;
|
|
srv_data->srvrs = srvr;
|
|
}
|
|
|
|
#ifdef WIN32
|
|
|
|
static int send_nfsd_probes(struct rpc_context *rpc, INTERFACE_INFO *InterfaceList, int numIfs, struct nfs_list_data *data)
|
|
{
|
|
int i=0;
|
|
|
|
assert(rpc->magic == RPC_CONTEXT_MAGIC);
|
|
|
|
for(i = 0; i < numIfs; i++)
|
|
{
|
|
SOCKADDR *pAddress;
|
|
char bcdd[16];
|
|
unsigned long nFlags = 0;
|
|
|
|
pAddress = (SOCKADDR *) & (InterfaceList[i].iiBroadcastAddress);
|
|
|
|
if(pAddress->sa_family != AF_INET)
|
|
continue;
|
|
|
|
nFlags = InterfaceList[i].iiFlags;
|
|
|
|
if (!(nFlags & IFF_UP))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (nFlags & IFF_LOOPBACK)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (!(nFlags & IFF_BROADCAST))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (getnameinfo(pAddress, sizeof(struct sockaddr_in), &bcdd[0], sizeof(bcdd), NULL, 0, NI_NUMERICHOST) < 0)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (rpc_set_udp_destination(rpc, bcdd, 111, 1) < 0)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
if (rpc_pmap_callit_async(rpc, MOUNT_PROGRAM, 2, 0, NULL, 0, callit_cb, data) < 0)
|
|
{
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
struct nfs_server_list *nfs_find_local_servers(void)
|
|
{
|
|
struct rpc_context *rpc;
|
|
struct nfs_list_data data = {0, NULL};
|
|
struct timeval tv_start, tv_current;
|
|
int loop;
|
|
struct pollfd pfd;
|
|
INTERFACE_INFO InterfaceList[20];
|
|
unsigned long nBytesReturned;
|
|
int nNumInterfaces = 0;
|
|
|
|
rpc = rpc_init_udp_context();
|
|
if (rpc == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
if (rpc_bind_udp(rpc, "0.0.0.0", 0) < 0)
|
|
{
|
|
rpc_destroy_context(rpc);
|
|
return NULL;
|
|
}
|
|
|
|
if (WSAIoctl(rpc_get_fd(rpc), SIO_GET_INTERFACE_LIST, 0, 0, &InterfaceList, sizeof(InterfaceList), &nBytesReturned, 0, 0) == SOCKET_ERROR)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
nNumInterfaces = nBytesReturned / sizeof(INTERFACE_INFO);
|
|
|
|
for (loop=0; loop<3; loop++)
|
|
{
|
|
if (send_nfsd_probes(rpc, InterfaceList, nNumInterfaces, &data) != 0)
|
|
{
|
|
rpc_destroy_context(rpc);
|
|
return NULL;
|
|
}
|
|
|
|
win32_gettimeofday(&tv_start, NULL);
|
|
for(;;)
|
|
{
|
|
int mpt;
|
|
|
|
pfd.fd = rpc_get_fd(rpc);
|
|
pfd.events = rpc_which_events(rpc);
|
|
|
|
win32_gettimeofday(&tv_current, NULL);
|
|
mpt = 1000
|
|
- (tv_current.tv_sec *1000 + tv_current.tv_usec / 1000)
|
|
+ (tv_start.tv_sec *1000 + tv_start.tv_usec / 1000);
|
|
|
|
if (poll(&pfd, 1, mpt) < 0)
|
|
{
|
|
free_nfs_srvr_list(data.srvrs);
|
|
rpc_destroy_context(rpc);
|
|
return NULL;
|
|
}
|
|
if (pfd.revents == 0)
|
|
{
|
|
break;
|
|
}
|
|
|
|
if (rpc_service(rpc, pfd.revents) < 0)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
rpc_destroy_context(rpc);
|
|
|
|
if (data.status != 0)
|
|
{
|
|
free_nfs_srvr_list(data.srvrs);
|
|
return NULL;
|
|
}
|
|
return data.srvrs;
|
|
}
|
|
#else
|
|
|
|
static int send_nfsd_probes(struct rpc_context *rpc, struct ifconf *ifc, struct nfs_list_data *data)
|
|
{
|
|
char *ptr;
|
|
|
|
assert(rpc->magic == RPC_CONTEXT_MAGIC);
|
|
|
|
for (ptr =(char *)(ifc->ifc_buf); ptr < (char *)(ifc->ifc_buf) + ifc->ifc_len; ) {
|
|
struct ifreq *ifr;
|
|
char bcdd[16];
|
|
|
|
ifr = (struct ifreq *)ptr;
|
|
#ifdef HAVE_SOCKADDR_LEN
|
|
if (ifr->ifr_addr.sa_len > sizeof(struct sockaddr)) {
|
|
ptr += sizeof(ifr->ifr_name) + ifr->ifr_addr.sa_len;
|
|
} else {
|
|
ptr += sizeof(ifr->ifr_name) + sizeof(struct sockaddr);
|
|
}
|
|
#else
|
|
ptr += sizeof(struct ifreq);
|
|
#endif
|
|
|
|
if (ifr->ifr_addr.sa_family != AF_INET) {
|
|
continue;
|
|
}
|
|
if (ioctl(rpc_get_fd(rpc), SIOCGIFFLAGS, ifr) < 0) {
|
|
return -1;
|
|
}
|
|
if (!(ifr->ifr_flags & IFF_UP)) {
|
|
continue;
|
|
}
|
|
if (ifr->ifr_flags & IFF_LOOPBACK) {
|
|
continue;
|
|
}
|
|
if (!(ifr->ifr_flags & IFF_BROADCAST)) {
|
|
continue;
|
|
}
|
|
if (ioctl(rpc_get_fd(rpc), SIOCGIFBRDADDR, ifr) < 0) {
|
|
continue;
|
|
}
|
|
if (getnameinfo(&ifr->ifr_broadaddr, sizeof(struct sockaddr_in), &bcdd[0], sizeof(bcdd), NULL, 0, NI_NUMERICHOST) < 0) {
|
|
continue;
|
|
}
|
|
if (rpc_set_udp_destination(rpc, bcdd, 111, 1) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
if (rpc_pmap_callit_async(rpc, MOUNT_PROGRAM, 2, 0, NULL, 0, callit_cb, data) < 0) {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct nfs_server_list *nfs_find_local_servers(void)
|
|
{
|
|
struct rpc_context *rpc;
|
|
struct nfs_list_data data = {0, NULL};
|
|
struct timeval tv_start, tv_current;
|
|
struct ifconf ifc;
|
|
int size, loop;
|
|
struct pollfd pfd;
|
|
|
|
rpc = rpc_init_udp_context();
|
|
if (rpc == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
if (rpc_bind_udp(rpc, "0.0.0.0", 0) < 0) {
|
|
rpc_destroy_context(rpc);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/* get list of all interfaces */
|
|
size = sizeof(struct ifreq);
|
|
ifc.ifc_buf = NULL;
|
|
ifc.ifc_len = size;
|
|
|
|
while(ifc.ifc_len > (size - sizeof(struct ifreq))) {
|
|
size *= 2;
|
|
|
|
free(ifc.ifc_buf);
|
|
ifc.ifc_len = size;
|
|
ifc.ifc_buf = malloc(size);
|
|
memset(ifc.ifc_buf, 0, size);
|
|
if (ioctl(rpc_get_fd(rpc), SIOCGIFCONF, (caddr_t)&ifc) < 0) {
|
|
rpc_destroy_context(rpc);
|
|
free(ifc.ifc_buf);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
for (loop=0; loop<3; loop++) {
|
|
if (send_nfsd_probes(rpc, &ifc, &data) != 0) {
|
|
rpc_destroy_context(rpc);
|
|
free(ifc.ifc_buf);
|
|
return NULL;
|
|
}
|
|
|
|
gettimeofday(&tv_start, NULL);
|
|
for(;;) {
|
|
int mpt;
|
|
|
|
pfd.fd = rpc_get_fd(rpc);
|
|
pfd.events = rpc_which_events(rpc);
|
|
|
|
gettimeofday(&tv_current, NULL);
|
|
mpt = 1000
|
|
- (tv_current.tv_sec *1000 + tv_current.tv_usec / 1000)
|
|
+ (tv_start.tv_sec *1000 + tv_start.tv_usec / 1000);
|
|
|
|
if (poll(&pfd, 1, mpt) < 0) {
|
|
free_nfs_srvr_list(data.srvrs);
|
|
rpc_destroy_context(rpc);
|
|
return NULL;
|
|
}
|
|
if (pfd.revents == 0) {
|
|
break;
|
|
}
|
|
|
|
if (rpc_service(rpc, pfd.revents) < 0) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
free(ifc.ifc_buf);
|
|
rpc_destroy_context(rpc);
|
|
|
|
if (data.status != 0) {
|
|
free_nfs_srvr_list(data.srvrs);
|
|
return NULL;
|
|
}
|
|
return data.srvrs;
|
|
}
|
|
#endif//WIN32
|