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/*
* Unix SMB/CIFS implementation.
* Wrapper for GPFS library
* Copyright (C) Volker Lendecke 2005
* Copyright (C) Christof Schmitt 2015
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "replace.h"
#include "gpfswrap.h"
static int (*gpfs_set_share_fn)(int fd, unsigned int allow, unsigned int deny);
static int (*gpfs_set_lease_fn)(int fd, unsigned int type);
static int (*gpfs_getacl_fn)(char *pathname, int flags, void *acl);
static int (*gpfs_putacl_fn)(char *pathname, int flags, void *acl);
static int (*gpfs_get_realfilename_path_fn)(char *pathname, char *filenamep,
int *len);
static int (*gpfs_set_winattrs_path_fn)(char *pathname, int flags,
struct gpfs_winattr *attrs);
static int (*gpfs_get_winattrs_path_fn)(char *pathname,
struct gpfs_winattr *attrs);
static int (*gpfs_get_winattrs_fn)(int fd, struct gpfs_winattr *attrs);
static int (*gpfs_prealloc_fn)(int fd, gpfs_off64_t start, gpfs_off64_t bytes);
static int (*gpfs_ftruncate_fn)(int fd, gpfs_off64_t length);
static int (*gpfs_lib_init_fn)(int flags);
static int (*gpfs_set_times_path_fn)(char *pathname, int flags,
gpfs_timestruc_t times[4]);
static int (*gpfs_quotactl_fn)(char *pathname, int cmd, int id, void *bufp);
static int (*gpfs_fcntl_fn)(int fd, void *argp);
static int (*gpfs_getfilesetid_fn)(char *pathname, char *name, int *idp);
int gpfswrap_init(void)
{
static void *l;
if (l != NULL) {
return 0;
}
l = dlopen("libgpfs.so", RTLD_LAZY);
if (l == NULL) {
return -1;
}
gpfs_set_share_fn = dlsym(l, "gpfs_set_share");
gpfs_set_lease_fn = dlsym(l, "gpfs_set_lease");
gpfs_getacl_fn = dlsym(l, "gpfs_getacl");
gpfs_putacl_fn = dlsym(l, "gpfs_putacl");
gpfs_get_realfilename_path_fn = dlsym(l, "gpfs_get_realfilename_path");
gpfs_set_winattrs_path_fn = dlsym(l, "gpfs_set_winattrs_path");
gpfs_get_winattrs_path_fn = dlsym(l, "gpfs_get_winattrs_path");
gpfs_get_winattrs_fn = dlsym(l, "gpfs_get_winattrs");
gpfs_prealloc_fn = dlsym(l, "gpfs_prealloc");
gpfs_ftruncate_fn = dlsym(l, "gpfs_ftruncate");
gpfs_lib_init_fn = dlsym(l, "gpfs_lib_init");
gpfs_set_times_path_fn = dlsym(l, "gpfs_set_times_path");
gpfs_quotactl_fn = dlsym(l, "gpfs_quotactl");
gpfs_fcntl_fn = dlsym(l, "gpfs_fcntl");
gpfs_getfilesetid_fn = dlsym(l, "gpfs_getfilesetid");
return 0;
}
int gpfswrap_set_share(int fd, unsigned int allow, unsigned int deny)
{
if (gpfs_set_share_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_set_share_fn(fd, allow, deny);
}
int gpfswrap_set_lease(int fd, unsigned int type)
{
if (gpfs_set_lease_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_set_lease_fn(fd, type);
}
int gpfswrap_getacl(char *pathname, int flags, void *acl)
{
if (gpfs_getacl_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_getacl_fn(pathname, flags, acl);
}
int gpfswrap_putacl(char *pathname, int flags, void *acl)
{
if (gpfs_putacl_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_putacl_fn(pathname, flags, acl);
}
int gpfswrap_get_realfilename_path(char *pathname, char *filenamep, int *len)
{
if (gpfs_get_realfilename_path_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_get_realfilename_path_fn(pathname, filenamep, len);
}
int gpfswrap_set_winattrs_path(char *pathname, int flags,
struct gpfs_winattr *attrs)
{
if (gpfs_set_winattrs_path_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_set_winattrs_path_fn(pathname, flags, attrs);
}
int gpfswrap_get_winattrs_path(char *pathname, struct gpfs_winattr *attrs)
{
if (gpfs_get_winattrs_path_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_get_winattrs_path_fn(pathname, attrs);
}
int gpfswrap_get_winattrs(int fd, struct gpfs_winattr *attrs)
{
if (gpfs_get_winattrs_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_get_winattrs_fn(fd, attrs);
}
int gpfswrap_prealloc(int fd, gpfs_off64_t start, gpfs_off64_t bytes)
{
if (gpfs_prealloc_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_prealloc_fn(fd, start, bytes);
}
int gpfswrap_ftruncate(int fd, gpfs_off64_t length)
{
if (gpfs_ftruncate_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_ftruncate_fn(fd, length);
}
int gpfswrap_lib_init(int flags)
{
if (gpfs_lib_init_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_lib_init_fn(flags);
}
int gpfswrap_set_times_path(char *pathname, int flags,
gpfs_timestruc_t times[4])
{
if (gpfs_set_times_path_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_set_times_path_fn(pathname, flags, times);
}
int gpfswrap_quotactl(char *pathname, int cmd, int id, void *bufp)
{
if (gpfs_quotactl_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_quotactl_fn(pathname, cmd, id, bufp);
}
int gpfswrap_fcntl(int fd, void *argp)
{
if (gpfs_fcntl_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_fcntl_fn(fd, argp);
}
int gpfswrap_getfilesetid(char *pathname, char *name, int *idp)
{
if (gpfs_getfilesetid_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_getfilesetid_fn(pathname, name, idp);
}
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