-/*
+/*
* Unix SMB/CIFS implementation.
* Provide a connection to GPFS specific features
* Copyright (C) Volker Lendecke 2005
* 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 "includes.h"
+#include "system/filesys.h"
+#include "smbd/smbd.h"
-#ifdef HAVE_GPFS
-
+#include <fcntl.h>
+#include "libcli/security/security.h"
+#include "gpfs_fcntl.h"
#include "gpfs_gpl.h"
#include "vfs_gpfs.h"
-static bool gpfs_share_modes;
-static bool gpfs_leases;
-
static int (*gpfs_set_share_fn)(int fd, unsigned int allow, unsigned int deny);
static int (*gpfs_set_lease_fn)(int fd, unsigned int leaseType);
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 *buflen);
+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 startOffset, gpfs_off64_t bytesToPrealloc);
+static int (*gpfs_ftruncate_fn)(int fd, gpfs_off64_t length);
+static int (*gpfs_lib_init_fn)(int flags);
+static int (*gpfs_quotactl_fn)(char *pathname, int cmd, int id, void *bufferP);
+static int (*gpfs_fcntl_fn)(gpfs_file_t fileDesc, void *fcntlArgP);
+static int (*gpfs_getfilesetid_fn)(char *pathname, char *name, int *idP);
bool set_gpfs_sharemode(files_struct *fsp, uint32 access_mask,
uint32 share_access)
unsigned int deny = GPFS_DENY_NONE;
int result;
- if (!gpfs_share_modes) {
- return True;
- }
-
if (gpfs_set_share_fn == NULL) {
return False;
}
{
int gpfs_type = GPFS_LEASE_NONE;
- if (!gpfs_leases) {
- return True;
- }
-
if (gpfs_set_lease_fn == NULL) {
errno = EINVAL;
return -1;
if (leasetype == F_WRLCK) {
gpfs_type = GPFS_LEASE_WRITE;
}
-
+
/* we unconditionally set CAP_LEASE, rather than looking for
-1/EACCES as there is a bug in some versions of
libgpfs_gpl.so which results in a leaked fd on /dev/ss0
return gpfs_putacl_fn(pathname, flags, acl);
}
+int smbd_gpfs_ftruncate(int fd, gpfs_off64_t length)
+{
+ if (gpfs_ftruncate_fn == NULL) {
+ errno = ENOSYS;
+ return -1;
+ }
+
+ return gpfs_ftruncate_fn(fd, length);
+}
+
+int smbd_gpfs_get_realfilename_path(char *pathname, char *filenamep,
+ int *buflen)
+{
+ if (gpfs_get_realfilename_path_fn == NULL) {
+ errno = ENOSYS;
+ return -1;
+ }
+
+ return gpfs_get_realfilename_path_fn(pathname, filenamep, buflen);
+}
+
+int get_gpfs_winattrs(char *pathname,struct gpfs_winattr *attrs)
+{
+
+ if (gpfs_get_winattrs_path_fn == NULL) {
+ errno = ENOSYS;
+ return -1;
+ }
+ DEBUG(10, ("gpfs_get_winattrs_path:open call %s\n",pathname));
+ return gpfs_get_winattrs_path_fn(pathname, attrs);
+}
+
+int smbd_fget_gpfs_winattrs(int fd, struct gpfs_winattr *attrs)
+{
+
+ if (gpfs_get_winattrs_fn == NULL) {
+ errno = ENOSYS;
+ return -1;
+ }
+ DEBUG(10, ("gpfs_get_winattrs_path:open call %d\n", fd));
+ return gpfs_get_winattrs_fn(fd, attrs);
+}
+
+int smbd_gpfs_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 set_gpfs_winattrs(char *pathname,int flags,struct gpfs_winattr *attrs)
+{
+ if (gpfs_set_winattrs_path_fn == NULL) {
+ errno = ENOSYS;
+ return -1;
+ }
+
+ DEBUG(10, ("gpfs_set_winattrs_path:open call %s\n",pathname));
+ return gpfs_set_winattrs_path_fn(pathname,flags, attrs);
+}
+
+int get_gpfs_quota(const char *pathname, int type, int id,
+ struct gpfs_quotaInfo *qi)
+{
+ int ret;
+
+ if (!gpfs_quotactl_fn) {
+ errno = ENOSYS;
+ return -1;
+ }
+
+ ZERO_STRUCTP(qi);
+ ret = gpfs_quotactl_fn(discard_const_p(char, pathname),
+ GPFS_QCMD(Q_GETQUOTA, type), id, qi);
+
+ if (ret) {
+ if (errno == GPFS_E_NO_QUOTA_INST) {
+ DEBUG(10, ("Quotas disabled on GPFS filesystem.\n"));
+ } else {
+ DEBUG(0, ("Get quota failed, type %d, id, %d, "
+ "errno %d.\n", type, id, errno));
+ }
+
+ return ret;
+ }
+
+ DEBUG(10, ("quota type %d, id %d, blk u:%lld h:%lld s:%lld gt:%u\n",
+ type, id, qi->blockUsage, qi->blockHardLimit,
+ qi->blockSoftLimit, qi->blockGraceTime));
+
+ return ret;
+}
+
+int get_gpfs_fset_id(const char *pathname, int *fset_id)
+{
+ int err, fd, errno_fcntl;
+
+ struct {
+ gpfsFcntlHeader_t hdr;
+ gpfsGetFilesetName_t fsn;
+ } arg;
+
+ if (!gpfs_fcntl_fn || !gpfs_getfilesetid_fn) {
+ errno = ENOSYS;
+ return -1;
+ }
+
+ arg.hdr.totalLength = sizeof(arg);
+ arg.hdr.fcntlVersion = GPFS_FCNTL_CURRENT_VERSION;
+ arg.hdr.fcntlReserved = 0;
+ arg.fsn.structLen = sizeof(arg.fsn);
+ arg.fsn.structType = GPFS_FCNTL_GET_FILESETNAME;
+
+ fd = open(pathname, O_RDONLY);
+ if (fd == -1)
+ return fd;
+
+ err = gpfs_fcntl_fn(fd, &arg);
+ errno_fcntl = errno;
+ close(fd);
+
+ if (err) {
+ errno = errno_fcntl;
+ return err;
+ }
+
+ return gpfs_getfilesetid_fn(discard_const_p(char, pathname),
+ arg.fsn.buffer, fset_id);
+}
+
+void smbd_gpfs_lib_init()
+{
+ if (gpfs_lib_init_fn) {
+ int rc = gpfs_lib_init_fn(0);
+ DEBUG(10, ("gpfs_lib_init() finished with rc %d "
+ "and errno %d\n", rc, errno));
+ } else {
+ DEBUG(10, ("libgpfs lacks gpfs_lib_init\n"));
+ }
+}
+
static bool init_gpfs_function_lib(void *plibhandle_pointer,
const char *libname,
void *pfn_pointer, const char *fn_name)
void **libhandle_pointer = (void **)plibhandle_pointer;
void **fn_pointer = (void **)pfn_pointer;
+ DEBUG(10, ("trying to load name %s from %s\n",
+ fn_name, libname));
+
if (*libhandle_pointer == NULL) {
*libhandle_pointer = dlopen(libname, RTLD_LAZY);
did_open_here = true;
init_gpfs_function(&gpfs_set_lease_fn, "gpfs_set_lease");
init_gpfs_function(&gpfs_getacl_fn, "gpfs_getacl");
init_gpfs_function(&gpfs_putacl_fn, "gpfs_putacl");
-
- gpfs_share_modes = lp_parm_bool(-1, "gpfs", "sharemodes", True);
- gpfs_leases = lp_parm_bool(-1, "gpfs", "leases", True);
+ init_gpfs_function(&gpfs_get_realfilename_path_fn,
+ "gpfs_get_realfilename_path");
+ init_gpfs_function(&gpfs_get_winattrs_path_fn,"gpfs_get_winattrs_path");
+ init_gpfs_function(&gpfs_set_winattrs_path_fn,"gpfs_set_winattrs_path");
+ init_gpfs_function(&gpfs_get_winattrs_fn,"gpfs_get_winattrs");
+ init_gpfs_function(&gpfs_prealloc_fn, "gpfs_prealloc");
+ init_gpfs_function(&gpfs_ftruncate_fn, "gpfs_ftruncate");
+ init_gpfs_function(&gpfs_lib_init_fn,"gpfs_lib_init");
+ init_gpfs_function(&gpfs_quotactl_fn, "gpfs_quotactl");
+ init_gpfs_function(&gpfs_fcntl_fn, "gpfs_fcntl");
+ init_gpfs_function(&gpfs_getfilesetid_fn, "gpfs_getfilesetid");
return;
}
-
-#else
-
-int set_gpfs_lease(int snum, int leasetype)
-{
- DEBUG(0, ("'VFS module smbgpfs loaded, without gpfs support compiled\n"));
-
- /* We need to indicate that no GPFS is around by returning ENOSYS, so
- * that the normal linux kernel oplock code is called. */
- errno = ENOSYS;
- return -1;
-}
-
-bool set_gpfs_sharemode(files_struct *fsp, uint32 access_mask,
- uint32 share_access)
-{
- DEBUG(0, ("VFS module - smbgpfs.so loaded, without gpfs support compiled\n"));
- /* Don't disturb but complain */
- return True;
-}
-
-int smbd_gpfs_getacl(char *pathname, int flags, void *acl)
-{
- errno = ENOSYS;
- return -1;
-}
-
-int smbd_gpfs_putacl(char *pathname, int flags, void *acl)
-{
- errno = ENOSYS;
- return -1;
-}
-
-void init_gpfs(void)
-{
- return;
-}
-
-#endif /* HAVE_GPFS */
git.samba.org / kai / samba.git / blobdiff