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libnfs/lib/libnfs-sync.c

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/* -*- mode:c; tab-width:8; c-basic-offset:8; indent-tabs-mode:nil; -*- */
/*
Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
This program 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 program 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 program; if not, see <http://www.gnu.org/licenses/>.
*/
/*
* High level api to nfs filesystems
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef AROS
#include "aros_compat.h"
#endif
#ifdef PS2_EE
#include "ps2_compat.h"
#endif
#ifdef PS3_PPU
#include "ps3_compat.h"
#endif
#ifdef WIN32
#include <win32/win32_compat.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NET_IF_H
#include <net/if.h>
#endif
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif
#ifdef HAVE_SYS_STATVFS_H
#include <sys/statvfs.h>
#endif
#if defined(__ANDROID__) && !defined(HAVE_SYS_STATVFS_H)
#define statvfs statfs
#endif
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_POLL_H
#include <poll.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#ifdef HAVE_SYS_SOCKIO_H
#include <sys/sockio.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include "libnfs-zdr.h"
#include "libnfs.h"
#include "libnfs-raw.h"
#include "libnfs-raw-mount.h"
#include "libnfs-raw-nfs.h"
#include "libnfs-raw-nfs4.h"
#include "libnfs-private.h"
struct sync_cb_data {
int is_finished;
int status;
uint64_t offset;
void *return_data;
int return_int;
const char *call;
#ifdef HAVE_MULTITHREADING
int has_sem;
libnfs_sem_t wait_sem;
#endif /* HAVE_MULTITHREADING */
};
static inline int
nfs_init_cb_data(struct nfs_context **nfs, struct sync_cb_data *cb_data)
{
cb_data->is_finished = 0;
#ifdef HAVE_MULTITHREADING
if (nfs && (*nfs)->nfsi->multithreading_enabled && (*nfs)->master_ctx == NULL) {
struct nfs_thread_context *ntc;
for(ntc = (*nfs)->nfsi->thread_ctx; ntc; ntc = ntc->next) {
if (nfs_mt_get_tid() == ntc->tid) {
break;
}
}
if (ntc) {
*nfs = &ntc->nfs;
} else {
ntc = calloc(1, sizeof(struct nfs_thread_context));
if (ntc == NULL) {
return -1;
}
nfs_mt_mutex_lock(&(*nfs)->rpc->rpc_mutex);
ntc->next = (*nfs)->nfsi->thread_ctx;
ntc->tid = nfs_mt_get_tid();
(*nfs)->nfsi->thread_ctx = ntc;
nfs_mt_mutex_unlock(&(*nfs)->rpc->rpc_mutex);
memcpy(&ntc->nfs, *nfs, sizeof(struct nfs_context));
ntc->nfs.error_string = NULL;
ntc->nfs.master_ctx = *nfs;
*nfs = &ntc->nfs;
}
}
/*
* Create a semaphore and initialize it to zero. So that we
* can wait for it and immetiately block until the service thread
* has received the reply.
*/
if (nfs_mt_sem_init(&cb_data->wait_sem, 0)) {
if (nfs && *nfs) {
nfs_set_error(*nfs, "Failed to initialize semaphore");
}
return -1;
}
cb_data->has_sem = 1;
#endif /* HAVE_MULTITHREADING */
return 0;
}
static inline void
nfs_destroy_cb_sem(struct sync_cb_data *cb_data)
{
#ifdef HAVE_MULTITHREADING
if (cb_data->has_sem) {
nfs_mt_sem_destroy(&cb_data->wait_sem);
}
cb_data->has_sem = 0;
#endif
}
static inline void
cb_data_is_finished(struct sync_cb_data *cb_data, int status)
{
cb_data->is_finished = 1;
cb_data->status = status;
#ifdef HAVE_MULTITHREADING
if (cb_data->has_sem) {
nfs_mt_sem_post(&cb_data->wait_sem);
}
#endif
}
static void
wait_for_reply(struct rpc_context *rpc, struct sync_cb_data *cb_data)
{
struct pollfd pfd;
int revents;
int ret;
uint64_t timeout;
assert(rpc->magic == RPC_CONTEXT_MAGIC);
if (rpc->timeout > 0) {
timeout = rpc_current_time() + rpc->timeout;
#ifndef HAVE_CLOCK_GETTIME
/* If we do not have GETTIME we fallback to time() which
* has 1s granularity for its timestamps.
* We thus need to bump the timeout by 1000ms
* so that we break if timeout is within 1.0 - 2.0 seconds.
* Otherwise setting a 1s timeout would trigger within
* 0.001 - 1.0s.
*/
timeout += 1000;
#endif
}
else {
timeout = 0;
}
while (!cb_data->is_finished) {
pfd.fd = rpc_get_fd(rpc);
pfd.events = rpc_which_events(rpc);
pfd.revents = 0;
ret = poll(&pfd, 1, 100);
if (ret < 0) {
rpc_set_error(rpc, "Poll failed");
revents = -1;
} else {
revents = pfd.revents;
}
if (rpc_service(rpc, revents) < 0) {
if (revents != -1)
rpc_set_error(rpc, "rpc_service failed");
cb_data->status = -EIO;
break;
}
if (rpc_get_fd(rpc) == -1) {
rpc_set_error(rpc, "Socket closed");
break;
}
if (timeout > 0 && rpc_current_time() > timeout) {
rpc_set_error(rpc, "Timeout reached");
break;
}
}
}
static void
wait_for_nfs_reply(struct nfs_context *nfs, struct sync_cb_data *cb_data)
{
struct pollfd pfd;
int revents;
int ret;
#ifdef HAVE_MULTITHREADING
if(nfs->nfsi->multithreading_enabled) {
nfs_mt_sem_wait(&cb_data->wait_sem);
return;
}
#endif
while (!cb_data->is_finished) {
pfd.fd = nfs_get_fd(nfs);
pfd.events = nfs_which_events(nfs);
pfd.revents = 0;
ret = poll(&pfd, 1, 100);
if (ret < 0) {
nfs_set_error(nfs, "Poll failed");
revents = -1;
} else {
revents = pfd.revents;
}
if (nfs_service(nfs, revents) < 0) {
if (revents != -1)
nfs_set_error(nfs, "nfs_service failed");
cb_data->status = -EIO;
break;
}
}
}
/*
* connect to the server and mount the export
*/
static void
mount_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "%s: %s",
__FUNCTION__, nfs_get_error(nfs));
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_mount(struct nfs_context *nfs, const char *server, const char *export)
{
struct sync_cb_data cb_data;
struct rpc_context *rpc = nfs_get_rpc_context(nfs);
assert(rpc->magic == RPC_CONTEXT_MAGIC);
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_mount_async(nfs, server, export, mount_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_mount_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
/* Dont want any more callbacks even if the socket is closed */
rpc->connect_cb = NULL;
/* Ensure that no RPCs are pending. In error case (e.g. timeout in
* wait_for_nfs_reply()) we can disconnect; in success case all RPCs
* are completed by definition.
*/
if (cb_data.status) {
rpc_disconnect(rpc, "failed mount");
}
return cb_data.status;
}
/*
* unregister the mount
*/
static void
umount_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "%s: %s",
__FUNCTION__, nfs_get_error(nfs));
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_umount(struct nfs_context *nfs)
{
struct sync_cb_data cb_data;
struct rpc_context *rpc = nfs_get_rpc_context(nfs);
assert(rpc->magic == RPC_CONTEXT_MAGIC);
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_umount_async(nfs, umount_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_umount_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
/* Dont want any more callbacks even if the socket is closed */
rpc->connect_cb = NULL;
/* Ensure that no RPCs are pending. In error case (e.g. timeout in
* wait_for_nfs_reply()) we can disconnect; in success case all RPCs
* are completed by definition.
*/
if (cb_data.status) {
rpc_disconnect(rpc, "failed mount");
}
return cb_data.status;
}
/*
* stat()
*/
static void
stat_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "stat call failed with \"%s\"",
(char *)data);
goto finished;
}
#ifdef WIN32
memcpy(cb_data->return_data, data, sizeof(struct __stat64));
#else
memcpy(cb_data->return_data, data, sizeof(struct stat));
#endif
finished:
cb_data_is_finished(cb_data, status);
}
int
#ifdef WIN32
nfs_stat(struct nfs_context *nfs, const char *path, struct __stat64 *st)
#else
nfs_stat(struct nfs_context *nfs, const char *path, struct stat *st)
#endif
{
struct sync_cb_data cb_data;
cb_data.return_data = st;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_stat_async(nfs, path, stat_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_stat_async failed");
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
static void
stat64_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "stat call failed with \"%s\"",
(char *)data);
goto finished;
}
memcpy(cb_data->return_data, data, sizeof(struct nfs_stat_64));
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_stat64(struct nfs_context *nfs, const char *path, struct nfs_stat_64 *st)
{
struct sync_cb_data cb_data;
cb_data.return_data = st;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_stat64_async(nfs, path, stat64_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_stat64_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
int
nfs_lstat64(struct nfs_context *nfs, const char *path, struct nfs_stat_64 *st)
{
struct sync_cb_data cb_data;
cb_data.return_data = st;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_lstat64_async(nfs, path, stat64_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_lstat64_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* open()
*/
static void
open_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
struct nfsfh *fh, **nfsfh;
if (status < 0) {
nfs_set_error(nfs, "open call failed with \"%s\"",
(char *)data);
goto finished;
}
fh = data;
nfsfh = cb_data->return_data;
*nfsfh = fh;
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_open(struct nfs_context *nfs, const char *path, int flags,
struct nfsfh **nfsfh)
{
struct sync_cb_data cb_data;
cb_data.return_data = nfsfh;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_open_async(nfs, path, flags, open_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_open_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
int
nfs_open2(struct nfs_context *nfs, const char *path, int flags,
int mode, struct nfsfh **nfsfh)
{
struct sync_cb_data cb_data;
cb_data.return_data = nfsfh;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_open2_async(nfs, path, flags, mode, open_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_open2_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* chdir()
*/
static void
chdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "chdir call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_chdir(struct nfs_context *nfs, const char *path)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_chdir_async(nfs, path, chdir_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_chdir_async failed with %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* pread()
*/
static void
pread_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
char *buffer;
if (status < 0) {
nfs_set_error(nfs, "%s call failed with \"%s\"", cb_data->call,
(char *)data);
goto finished;
}
buffer = cb_data->return_data;
memcpy(buffer, (char *)data, status);
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_pread(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset,
uint64_t count, void *buffer)
{
struct sync_cb_data cb_data;
cb_data.return_data = buffer;
cb_data.call = "pread";
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_pread_async(nfs, nfsfh, offset, count, pread_cb,
&cb_data) != 0) {
nfs_set_error(nfs, "nfs_pread_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* read()
*/
int
nfs_read(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count,
void *buffer)
{
struct sync_cb_data cb_data;
cb_data.return_data = buffer;
cb_data.call = "read";
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_read_async(nfs, nfsfh, count, pread_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_read_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* close()
*/
static void
close_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "close call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_close(struct nfs_context *nfs, struct nfsfh *nfsfh)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_close_async(nfs, nfsfh, close_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_close_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* fstat()
*/
int
#ifdef WIN32
nfs_fstat(struct nfs_context *nfs, struct nfsfh *nfsfh, struct __stat64 *st)
#else
nfs_fstat(struct nfs_context *nfs, struct nfsfh *nfsfh, struct stat *st)
#endif
{
struct sync_cb_data cb_data;
cb_data.return_data = st;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_fstat_async(nfs, nfsfh, stat_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_fstat_async failed");
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* fstat64()
*/
int
nfs_fstat64(struct nfs_context *nfs, struct nfsfh *nfsfh,
struct nfs_stat_64 *st)
{
struct sync_cb_data cb_data;
cb_data.return_data = st;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_fstat64_async(nfs, nfsfh, stat64_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_fstat64_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* pwrite()
*/
static void
pwrite_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "%s call failed with \"%s\"",
cb_data->call, (char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_pwrite(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t offset,
uint64_t count, const void *buf)
{
struct sync_cb_data cb_data;
cb_data.call = "pwrite";
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_pwrite_async(nfs, nfsfh, offset, count, buf, pwrite_cb,
&cb_data) != 0) {
nfs_set_error(nfs, "nfs_pwrite_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* write()
*/
int
nfs_write(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t count,
const void *buf)
{
struct sync_cb_data cb_data;
cb_data.call = "write";
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_write_async(nfs, nfsfh, count, buf, pwrite_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_write_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* fsync()
*/
static void
fsync_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "fsync call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_fsync(struct nfs_context *nfs, struct nfsfh *nfsfh)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_fsync_async(nfs, nfsfh, fsync_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_fsync_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* ftruncate()
*/
static void
ftruncate_cb(int status, struct nfs_context *nfs, void *data,
void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "ftruncate call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_ftruncate(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_ftruncate_async(nfs, nfsfh, length, ftruncate_cb,
&cb_data) != 0) {
nfs_set_error(nfs, "nfs_ftruncate_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* truncate()
*/
static void
truncate_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "truncate call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int nfs_truncate(struct nfs_context *nfs, const char *path, uint64_t length)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_truncate_async(nfs, path, length, truncate_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_ftruncate_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* mkdir()
*/
static void
mkdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "mkdir call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_mkdir(struct nfs_context *nfs, const char *path)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_mkdir_async(nfs, path, mkdir_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_mkdir_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
int
nfs_mkdir2(struct nfs_context *nfs, const char *path, int mode)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_mkdir2_async(nfs, path, mode, mkdir_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_mkdir2_async failed");
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* rmdir()
*/
static void
rmdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "rmdir call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int nfs_rmdir(struct nfs_context *nfs, const char *path)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_rmdir_async(nfs, path, rmdir_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_rmdir_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "creat call failed with \"%s\"",
(char *)data);
goto finished;
}
fh = data;
nfsfh = cb_data->return_data;
*nfsfh = fh;
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_create(struct nfs_context *nfs, const char *path, int flags, int mode,
struct nfsfh **nfsfh)
{
struct sync_cb_data cb_data;
cb_data.return_data = nfsfh;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_create_async(nfs, path, flags, mode, creat_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_create_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
int
nfs_creat(struct nfs_context *nfs, const char *path, int mode,
struct nfsfh **nfsfh)
{
return nfs_create(nfs, path, 0, mode, nfsfh);
}
/*
* mknod()
*/
static void
mknod_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "mknod call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_mknod(struct nfs_context *nfs, const char *path, int mode, int dev)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_mknod_async(nfs, path, mode, dev, mknod_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_creat_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "unlink call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_unlink(struct nfs_context *nfs, const char *path)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_unlink_async(nfs, path, unlink_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_unlink_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "opendir call failed with \"%s\"",
(char *)data);
goto finished;
}
dir = data;
nfsdir = cb_data->return_data;
*nfsdir = dir;
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_opendir(struct nfs_context *nfs, const char *path, struct nfsdir **nfsdir)
{
struct sync_cb_data cb_data;
cb_data.return_data = nfsdir;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_opendir_async(nfs, path, opendir_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_opendir_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "lseek call failed with \"%s\"",
nfs_get_error(nfs));
goto finished;
}
if (cb_data->return_data != NULL) {
memcpy(cb_data->return_data, data, sizeof(uint64_t));
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_lseek(struct nfs_context *nfs, struct nfsfh *nfsfh, int64_t offset, int whence, uint64_t *current_offset)
{
struct sync_cb_data cb_data;
cb_data.return_data = current_offset;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_lseek_async(nfs, nfsfh, offset, whence, lseek_cb,
&cb_data) != 0) {
nfs_set_error(nfs, "nfs_lseek_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* lockf()
*/
static void
lockf_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "lockf call failed with \"%s\"",
nfs_get_error(nfs));
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_lockf(struct nfs_context *nfs, struct nfsfh *nfsfh,
enum nfs4_lock_op cmd, uint64_t count)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_lockf_async(nfs, nfsfh, cmd, count,
lockf_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_lockf_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* fcntl()
*/
static void
fcntl_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "fcntl call failed with \"%s\"",
nfs_get_error(nfs));
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_fcntl(struct nfs_context *nfs, struct nfsfh *nfsfh,
enum nfs4_fcntl_op cmd, void *arg)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_fcntl_async(nfs, nfsfh, cmd, arg,
fcntl_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_fcntl_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "statvfs call failed with \"%s\"",
(char *)data);
goto finished;
}
memcpy(cb_data->return_data, data, sizeof(struct statvfs));
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_statvfs(struct nfs_context *nfs, const char *path, struct statvfs *svfs)
{
struct sync_cb_data cb_data;
cb_data.return_data = svfs;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_statvfs_async(nfs, path, statvfs_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_statvfs_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* statvfs64()
*/
static void
statvfs64_cb(int status, struct nfs_context *nfs, void *data,
void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "statvfs64 call failed with \"%s\"",
(char *)data);
goto finished;
}
memcpy(cb_data->return_data, data, sizeof(struct nfs_statvfs_64));
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_statvfs64(struct nfs_context *nfs, const char *path,
struct nfs_statvfs_64 *svfs)
{
struct sync_cb_data cb_data;
cb_data.return_data = svfs;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_statvfs64_async(nfs, path, statvfs64_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_statvfs64_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "readlink call failed with \"%s\"",
(char *)data);
goto finished;
}
if (strlen(data) > (size_t)cb_data->return_int) {
nfs_set_error(nfs, "Too small buffer for readlink");
cb_data->status = -ENAMETOOLONG;
goto finished;
}
memcpy(cb_data->return_data, data, strlen(data)+1);
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_readlink(struct nfs_context *nfs, const char *path, char *buf, int bufsize)
{
struct sync_cb_data cb_data;
cb_data.return_data = buf;
cb_data.return_int = bufsize;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_readlink_async(nfs, path, readlink_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_readlink_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
static void
readlink2_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
char **bufptr;
char *buf;
if (status < 0) {
nfs_set_error(nfs, "readlink call failed with \"%s\"",
(char *)data);
goto finished;
}
buf = strdup(data);
if (buf == NULL) {
cb_data->status = errno ? -errno : -ENOMEM;
goto finished;
}
bufptr = cb_data->return_data;
if (bufptr)
*bufptr = buf;
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_readlink2(struct nfs_context *nfs, const char *path, char **bufptr)
{
struct sync_cb_data cb_data;
*bufptr = NULL;
cb_data.return_data = bufptr;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_readlink_async(nfs, path, readlink2_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_readlink_async failed");
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "chmod call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_chmod(struct nfs_context *nfs, const char *path, int mode)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_chmod_async(nfs, path, mode, chmod_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_chmod_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
int
nfs_lchmod(struct nfs_context *nfs, const char *path, int mode)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_lchmod_async(nfs, path, mode, chmod_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_lchmod_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "fchmod call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_fchmod(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_fchmod_async(nfs, nfsfh, mode, fchmod_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_fchmod_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "chown call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_chown(struct nfs_context *nfs, const char *path, int uid, int gid)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_chown_async(nfs, path, uid, gid, chown_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_chown_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* lchown()
*/
int
nfs_lchown(struct nfs_context *nfs, const char *path, int uid, int gid)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_lchown_async(nfs, path, uid, gid, chown_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_lchown_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "fchown call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_fchown(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_fchown_async(nfs, nfsfh, uid, gid, fchown_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_fchown_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "utimes call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_utimes(struct nfs_context *nfs, const char *path, struct timeval *times)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_utimes_async(nfs, path, times, utimes_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_utimes_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
int
nfs_lutimes(struct nfs_context *nfs, const char *path, struct timeval *times)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_lutimes_async(nfs, path, times, utimes_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_lutimes_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "utime call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_utime(struct nfs_context *nfs, const char *path, struct utimbuf *times)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_utime_async(nfs, path, times, utime_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_utimes_async failed");
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "access call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_access(struct nfs_context *nfs, const char *path, int mode)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_access_async(nfs, path, mode, access_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_access_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* access2()
*/
static void
access2_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
if (status < 0) {
nfs_set_error(nfs, "access2 call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_access2(struct nfs_context *nfs, const char *path)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_access2_async(nfs, path, access2_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_access2_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "symlink call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_symlink(struct nfs_context *nfs, const char *target, const char *linkname)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_symlink_async(nfs, target, linkname, symlink_cb,
&cb_data) != 0) {
nfs_set_error(nfs, "nfs_symlink_async failed: %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "rename call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_rename(struct nfs_context *nfs, const char *oldpath, const char *newpath)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_rename_async(nfs, oldpath, newpath, rename_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_rename_async failed: %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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;
if (status < 0) {
nfs_set_error(nfs, "link call failed with \"%s\"",
(char *)data);
goto finished;
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs_link(struct nfs_context *nfs, const char *oldpath, const char *newpath)
{
struct sync_cb_data cb_data;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs_link_async(nfs, oldpath, newpath, link_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_link_async failed: %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* nfs3_getacl()
*/
void nfs3_acl_free(fattr3_acl *nfs3acl)
{
if (nfs3acl == NULL) {
return;
}
if (nfs3acl->ace) {
free(nfs3acl->ace);
}
if (nfs3acl->default_ace) {
free(nfs3acl->default_ace);
}
}
static void
nfs3_getacl_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
fattr3_acl *src = data;
fattr3_acl *dst = cb_data->return_data;
if (status < 0) {
nfs_set_error(nfs, "getacl call failed with \"%s\"",
(char *)data);
goto finished;
}
memcpy(dst, src, sizeof(fattr3_acl));
src->ace = NULL; /* steal the pointer to ACEs */
src->default_ace = NULL; /* steal the pointer to Default ACEs */
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs3_getacl(struct nfs_context *nfs, struct nfsfh *nfsfh,
fattr3_acl *acl)
{
struct sync_cb_data cb_data;
cb_data.return_data = acl;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs3_getacl_async(nfs, nfsfh, nfs3_getacl_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_getacl_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&cb_data);
return cb_data.status;
}
/*
* nfs4_getacl()
*/
void nfs4_acl_free(fattr4_acl *acl)
{
int i;
for (i = 0; i < acl->fattr4_acl_len; i++) {
free(acl->fattr4_acl_val[i].who.utf8string_val);
}
free(acl->fattr4_acl_val);
}
static void
nfs4_getacl_cb(int status, struct nfs_context *nfs, void *data, void *private_data)
{
struct sync_cb_data *cb_data = private_data;
fattr4_acl *src = data;
fattr4_acl *dst = cb_data->return_data;
int i;
if (status < 0) {
nfs_set_error(nfs, "getacl call failed with \"%s\"",
(char *)data);
goto finished;
}
dst->fattr4_acl_len = src->fattr4_acl_len;
dst->fattr4_acl_val = calloc(dst->fattr4_acl_len, sizeof(nfsace4));
if (dst->fattr4_acl_val == NULL) {
cb_data->status = -ENOMEM;
nfs_set_error(nfs, "Failed to allocate fattr4_acl_val");
goto finished;
}
for (i = 0; i < dst->fattr4_acl_len; i++) {
dst->fattr4_acl_val[i].type = src->fattr4_acl_val[i].type;
dst->fattr4_acl_val[i].flag = src->fattr4_acl_val[i].flag;
dst->fattr4_acl_val[i].access_mask = src->fattr4_acl_val[i].access_mask;
dst->fattr4_acl_val[i].who.utf8string_len = src->fattr4_acl_val[i].who.utf8string_len;
dst->fattr4_acl_val[i].who.utf8string_val = calloc(dst->fattr4_acl_val[i].who.utf8string_len + 1, 1);
if (dst->fattr4_acl_val[i].who.utf8string_val == NULL) {
cb_data->status = -ENOMEM;
nfs4_acl_free(dst);
nfs_set_error(nfs, "Failed to allocate acl name");
goto finished;
}
memcpy(dst->fattr4_acl_val[i].who.utf8string_val,
src->fattr4_acl_val[i].who.utf8string_val,
dst->fattr4_acl_val[i].who.utf8string_len);
}
finished:
cb_data_is_finished(cb_data, status);
}
int
nfs4_getacl(struct nfs_context *nfs, struct nfsfh *nfsfh,
fattr4_acl *acl)
{
struct sync_cb_data cb_data;
cb_data.return_data = acl;
if (nfs_init_cb_data(&nfs, &cb_data)) {
return -1;
}
if (nfs4_getacl_async(nfs, nfsfh, nfs4_getacl_cb, &cb_data) != 0) {
nfs_set_error(nfs, "nfs_getacl_async failed. %s",
nfs_get_error(nfs));
nfs_destroy_cb_sem(&cb_data);
return -1;
}
wait_for_nfs_reply(nfs, &cb_data);
nfs_destroy_cb_sem(&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->return_data = NULL;
if (status != 0) {
rpc_set_error(mount_context, "mount/export call failed with "
"\"%s\"", (char *)data);
goto finished;
}
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;
}
finished:
cb_data_is_finished(cb_data, status);
}
struct exportnode *
mount_getexports_timeout(const char *server, int timeout)
{
struct sync_cb_data cb_data;
struct rpc_context *rpc;
cb_data.return_data = NULL;
if (nfs_init_cb_data(NULL, &cb_data)) {
return NULL;
}
rpc = rpc_init_context();
rpc_set_timeout(rpc, timeout);
if (mount_getexports_async(rpc, server, mount_getexports_cb,
&cb_data) != 0) {
rpc_destroy_context(rpc);
nfs_destroy_cb_sem(&cb_data);
return NULL;
}
wait_for_reply(rpc, &cb_data);
nfs_destroy_cb_sem(&cb_data);
rpc_destroy_context(rpc);
return cb_data.return_data;
}
struct exportnode *
mount_getexports(const char *server)
{
return mount_getexports_timeout(server, -1);
}
void
mount_free_export_list(struct exportnode *exp)
{
struct exportnode *tmp;
while ((tmp = exp)) {
exp = exp->ex_next;
free(tmp->ex_dir);
free(tmp);
}
}
#if !defined(NO_SRV_AUTOSCAN)
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_pmap2_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];
memcpy(&ifr, ptr, sizeof(struct ifreq));
#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;
}
#ifndef PS3_PPU
if (ioctl(rpc_get_fd(rpc), SIOCGIFFLAGS, &ifr) < 0) {
return -1;
}
#endif
if (!(ifr.ifr_flags & IFF_UP)) {
continue;
}
if (ifr.ifr_flags & IFF_LOOPBACK) {
continue;
}
if (!(ifr.ifr_flags & IFF_BROADCAST)) {
continue;
}
#ifndef PS3_PPU
if (ioctl(rpc_get_fd(rpc), SIOCGIFBRDADDR, &ifr) < 0) {
continue;
}
#endif
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_pmap2_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);
#ifndef PS3_PPU
if (ioctl(rpc_get_fd(rpc), SIOCGIFCONF, (caddr_t)&ifc) < 0) {
rpc_destroy_context(rpc);
free(ifc.ifc_buf);
return NULL;
}
#endif
}
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 */
#endif /* !defined(NO_SRV_AUTOSCAN) */
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