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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_fgetacl_fn)(int fd, int flags, void *acl);
static int (*gpfs_putacl_fn)(const char *pathname, int flags, void *acl);
static int (*gpfs_get_realfilename_path_fn)(const char *pathname,
char *filenamep,
int *len);
static int (*gpfs_register_cifs_export_fn)(void);
static int (*gpfs_set_winattrs_path_fn)(const char *pathname,
int flags,
struct gpfs_winattr *attrs);
static int (*gpfs_set_winattrs_fn)(int fd, int flags,
struct gpfs_winattr *attrs);
static int (*gpfs_get_winattrs_fn)(int fd, struct gpfs_winattr *attrs);
static int (*gpfs_ftruncate_fn)(int fd, gpfs_off64_t length);
static int (*gpfs_lib_init_fn)(int flags);
static int (*gpfs_set_times_fn)(int fd, int flags, gpfs_timestruc_t times[4]);
static int (*gpfs_set_times_path_fn)(char *path,
int flags,
gpfs_timestruc_t times[4]);
static int (*gpfs_quotactl_fn)(const char *pathname,
int cmd,
int id,
void *bufp);
static int (*gpfs_init_trace_fn)(void);
static int (*gpfs_query_trace_fn)(void);
static void (*gpfs_add_trace_fn)(int level, const char *msg);
static void (*gpfs_fini_trace_fn)(void);
static int (*gpfs_fstat_x_fn)(int fd, unsigned int *litemask,
struct gpfs_iattr64 *iattr, size_t len);
static int (*gpfs_stat_x_fn)(const char *pathname, unsigned int *litemask,
struct gpfs_iattr64 *iattr, size_t len);
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_fgetacl_fn = dlsym(l, "gpfs_getacl_fd");
gpfs_putacl_fn = dlsym(l, "gpfs_putacl");
gpfs_get_realfilename_path_fn = dlsym(l, "gpfs_get_realfilename_path");
gpfs_register_cifs_export_fn = dlsym(l, "gpfs_register_cifs_export");
gpfs_set_winattrs_path_fn = dlsym(l, "gpfs_set_winattrs_path");
gpfs_set_winattrs_fn = dlsym(l, "gpfs_set_winattrs");
gpfs_get_winattrs_fn = dlsym(l, "gpfs_get_winattrs");
gpfs_ftruncate_fn = dlsym(l, "gpfs_ftruncate");
gpfs_lib_init_fn = dlsym(l, "gpfs_lib_init");
gpfs_set_times_fn = dlsym(l, "gpfs_set_times");
gpfs_set_times_path_fn = dlsym(l, "gpfs_set_times_path");
gpfs_quotactl_fn = dlsym(l, "gpfs_quotactl");
gpfs_init_trace_fn = dlsym(l, "gpfs_init_trace");
gpfs_query_trace_fn = dlsym(l, "gpfs_query_trace");
gpfs_add_trace_fn = dlsym(l, "gpfs_add_trace");
gpfs_fini_trace_fn = dlsym(l, "gpfs_fini_trace");
gpfs_fstat_x_fn = dlsym(l, "gpfs_fstat_x");
gpfs_stat_x_fn = dlsym(l, "gpfs_stat_x");
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_fgetacl(int fd, int flags, void *acl)
{
if (gpfs_fgetacl_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_fgetacl_fn(fd, flags, acl);
}
int gpfswrap_putacl(const 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(const 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_register_cifs_export(void)
{
if (gpfs_register_cifs_export_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_register_cifs_export_fn();
}
int gpfswrap_set_winattrs_path(const 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_set_winattrs(int fd, int flags, struct gpfs_winattr *attrs)
{
if (gpfs_set_winattrs_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_set_winattrs_fn(fd, flags, 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_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(int fd, int flags, gpfs_timestruc_t times[4])
{
if (gpfs_set_times_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_set_times_fn(fd, flags, times);
}
int gpfswrap_set_times_path(char *path, int flags, gpfs_timestruc_t times[4])
{
if (gpfs_set_times_path_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_set_times_path_fn(path, flags, times);
}
int gpfswrap_quotactl(const 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_init_trace(void)
{
if (gpfs_init_trace_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_init_trace_fn();
}
int gpfswrap_query_trace(void)
{
if (gpfs_query_trace_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_query_trace_fn();
}
void gpfswrap_add_trace(int level, const char *msg)
{
if (gpfs_add_trace_fn == NULL) {
return;
}
gpfs_add_trace_fn(level, msg);
}
void gpfswrap_fini_trace(void)
{
if (gpfs_fini_trace_fn == NULL) {
return;
}
gpfs_fini_trace_fn();
}
int gpfswrap_fstat_x(int fd, unsigned int *litemask,
struct gpfs_iattr64 *iattr, size_t len)
{
if (gpfs_fstat_x_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_fstat_x_fn(fd, litemask, iattr, len);
}
int gpfswrap_stat_x(const char *pathname, unsigned int *litemask,
struct gpfs_iattr64 *iattr, size_t len)
{
if (gpfs_stat_x_fn == NULL) {
errno = ENOSYS;
return -1;
}
return gpfs_stat_x_fn(pathname, litemask, iattr, len);
}
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