-/*
+/*
* 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 "gpfs_gpl.h"
+#include <fcntl.h>
+#include <gpfs_fcntl.h>
+#include "libcli/security/security.h"
#include "vfs_gpfs.h"
-static void *libgpfs_handle = NULL;
-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_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 *bufferP);
+static int (*gpfs_fcntl_fn)(gpfs_file_t fileDesc, void *fcntlArgP);
+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);
+}
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;
- }
-
if ((fsp == NULL) || (fsp->fh == NULL) || (fsp->fh->fd < 0)) {
/* No real file, don't disturb */
return True;
DEBUG(10, ("am=%x, allow=%d, sa=%x, deny=%d\n",
access_mask, allow, share_access, deny));
- result = gpfs_set_share_fn(fsp->fh->fd, allow, deny);
+ result = gpfswrap_set_share(fsp->fh->fd, allow, deny);
if (result != 0) {
if (errno == ENOSYS) {
- DEBUG(5, ("VFS module vfs_gpfs loaded, but no gpfs "
- "support has been compiled into Samba. Allowing access\n"));
+ DEBUG(5, ("VFS module vfs_gpfs loaded, but gpfs "
+ "set_share function support not available. "
+ "Allowing access\n"));
return True;
} else {
DEBUG(10, ("gpfs_set_share failed: %s\n",
{
int gpfs_type = GPFS_LEASE_NONE;
- if (!gpfs_leases) {
- return True;
- }
-
- if (gpfs_set_lease_fn == NULL) {
- errno = EINVAL;
- return -1;
- }
-
if (leasetype == F_RDLCK) {
gpfs_type = GPFS_LEASE_READ;
}
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
each time we try this with the wrong capabilities set
*/
linux_set_lease_capability();
- return gpfs_set_lease_fn(fd, gpfs_type);
+ return gpfswrap_set_lease(fd, gpfs_type);
}
-int smbd_gpfs_getacl(char *pathname, int flags, void *acl)
+int get_gpfs_quota(const char *pathname, int type, int id,
+ struct gpfs_quotaInfo *qi)
{
- if (gpfs_getacl_fn == NULL) {
+ int ret;
+
+ if (!gpfs_quotactl_fn) {
errno = ENOSYS;
return -1;
}
- return gpfs_getacl_fn(pathname, flags, acl);
-}
+ ZERO_STRUCTP(qi);
+ ret = gpfs_quotactl_fn(discard_const_p(char, pathname),
+ GPFS_QCMD(Q_GETQUOTA, type), id, qi);
-int smbd_gpfs_putacl(char *pathname, int flags, void *acl)
-{
- if (gpfs_putacl_fn == NULL) {
- errno = ENOSYS;
- return -1;
+ 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;
}
- return gpfs_putacl_fn(pathname, flags, acl);
+ 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;
}
-void init_gpfs(void)
+int get_gpfs_fset_id(const char *pathname, int *fset_id)
{
- if (libgpfs_handle != NULL) {
- return;
- }
+ int err, fd, errno_fcntl;
- libgpfs_handle = sys_dlopen("libgpfs_gpl.so", RTLD_LAZY);
+ struct {
+ gpfsFcntlHeader_t hdr;
+ gpfsGetFilesetName_t fsn;
+ } arg;
- if (libgpfs_handle == NULL) {
- DEBUG(10, ("sys_dlopen for libgpfs_gpl failed: %s\n",
- strerror(errno)));
- return;
+ if (!gpfs_fcntl_fn || !gpfs_getfilesetid_fn) {
+ errno = ENOSYS;
+ return -1;
}
- DEBUG(10, ("libgpfs_gpl.so loaded\n"));
-
- gpfs_set_share_fn = sys_dlsym(libgpfs_handle, "gpfs_set_share");
- if (gpfs_set_share_fn == NULL) {
- DEBUG(3, ("libgpfs_gpl.so does not contain the symbol "
- "'gpfs_set_share'\n"));
- goto failed;
+ 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) {
+ DEBUG(1, ("Could not open %s: %s\n",
+ pathname, strerror(errno)));
+ return fd;
}
- gpfs_set_lease_fn = sys_dlsym(libgpfs_handle, "gpfs_set_lease");
- if (gpfs_set_lease_fn == NULL) {
- DEBUG(3, ("libgpfs_gpl.so does not contain the symbol "
- "'gpfs_set_lease'\n"));
- sys_dlclose(libgpfs_handle);
-
- goto failed;
- }
+ err = gpfs_fcntl_fn(fd, &arg);
+ errno_fcntl = errno;
+ close(fd);
- gpfs_getacl_fn = sys_dlsym(libgpfs_handle, "gpfs_getacl");
- if (gpfs_getacl_fn == NULL) {
- DEBUG(3, ("libgpfs_gpl.so does not contain the symbol "
- "'gpfs_getacl'\n"));
- goto failed;
+ if (err) {
+ errno = errno_fcntl;
+ DEBUG(1, ("GPFS_FCNTL_GET_FILESETNAME for %s failed: %s\n",
+ pathname, strerror(errno)));
+ return err;
}
- gpfs_putacl_fn = sys_dlsym(libgpfs_handle, "gpfs_putacl");
- if (gpfs_putacl_fn == NULL) {
- DEBUG(3, ("libgpfs_gpl.so does not contain the symbol "
- "'gpfs_putacl'\n"));
- goto failed;
+ err = gpfs_getfilesetid_fn(discard_const_p(char, pathname),
+ arg.fsn.buffer, fset_id);
+ if (err) {
+ DEBUG(1, ("gpfs_getfilesetid for %s failed: %s\n",
+ pathname, strerror(errno)));
}
-
- gpfs_share_modes = lp_parm_bool(-1, "gpfs", "sharemodes", True);
- gpfs_leases = lp_parm_bool(-1, "gpfs", "leases", True);
-
- return;
-
-failed:
- sys_dlclose(libgpfs_handle);
- /* leave libgpfs_handle != NULL around, no point
- in trying twice */
- gpfs_set_share_fn = NULL;
- gpfs_set_lease_fn = NULL;
- gpfs_getacl_fn = NULL;
- gpfs_putacl_fn = NULL;
+ return err;
}
-#else
-
-int set_gpfs_lease(int snum, int leasetype)
+void smbd_gpfs_lib_init()
{
- 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;
+ 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"));
+ }
}
-bool set_gpfs_sharemode(files_struct *fsp, uint32 access_mask,
- uint32 share_access)
+static void timespec_to_gpfs_time(struct timespec ts, gpfs_timestruc_t *gt,
+ int idx, int *flags)
{
- DEBUG(0, ("VFS module - smbgpfs.so loaded, without gpfs support compiled\n"));
- /* Don't disturb but complain */
- return True;
+ if (!null_timespec(ts)) {
+ *flags |= 1 << idx;
+ gt[idx].tv_sec = ts.tv_sec;
+ gt[idx].tv_nsec = ts.tv_nsec;
+ DEBUG(10, ("Setting GPFS time %d, flags 0x%x\n", idx, *flags));
+ }
}
-int smbd_gpfs_getacl(char *pathname, int flags, void *acl)
+int smbd_gpfs_set_times_path(char *path, struct smb_file_time *ft)
{
- errno = ENOSYS;
- return -1;
-}
+ gpfs_timestruc_t gpfs_times[4];
+ int flags = 0;
+ int rc;
-int smbd_gpfs_putacl(char *pathname, int flags, void *acl)
-{
- errno = ENOSYS;
- return -1;
-}
+ if (!gpfs_set_times_path_fn) {
+ errno = ENOSYS;
+ return -1;
+ }
-void init_gpfs(void)
-{
- return;
-}
+ ZERO_ARRAY(gpfs_times);
+ timespec_to_gpfs_time(ft->atime, gpfs_times, 0, &flags);
+ timespec_to_gpfs_time(ft->mtime, gpfs_times, 1, &flags);
+ /* No good mapping from LastChangeTime to ctime, not storing */
+ timespec_to_gpfs_time(ft->create_time, gpfs_times, 3, &flags);
+
+ if (!flags) {
+ DEBUG(10, ("nothing to do, return to avoid EINVAL\n"));
+ return 0;
+ }
-#endif /* HAVE_GPFS */
+ rc = gpfs_set_times_path_fn(path, flags, gpfs_times);
+
+ if (rc != 0) {
+ DEBUG(1,("gpfs_set_times() returned with error %s\n",
+ strerror(errno)));
+ }
+
+ return rc;
+}
git.samba.org / samba.git / blobdiff