* 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#ifdef HAVE_GPFS
#include "gpfs_gpl.h"
+#include "vfs_gpfs.h"
-static void *libgpfs_handle = NULL;
-static BOOL gpfs_share_modes;
+static bool gpfs_share_modes;
+static bool gpfs_leases;
+static bool gpfs_getrealfilename;
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);
-BOOL set_gpfs_sharemode(files_struct *fsp, uint32 access_mask,
+bool set_gpfs_sharemode(files_struct *fsp, uint32 access_mask,
uint32 share_access)
{
unsigned int allow = GPFS_SHARE_NONE;
{
int gpfs_type = GPFS_LEASE_NONE;
- if (!gpfs_share_modes) {
+ if (!gpfs_leases) {
return True;
}
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 gpfs_putacl_fn(pathname, flags, acl);
}
-void init_gpfs(void)
+int smbd_gpfs_get_realfilename_path(char *pathname, char *filenamep,
+ int *buflen)
{
- if (libgpfs_handle != NULL) {
- return;
+ if ((!gpfs_getrealfilename)
+ || (gpfs_get_realfilename_path_fn == NULL)) {
+ errno = ENOSYS;
+ return -1;
}
- libgpfs_handle = sys_dlopen("libgpfs_gpl.so", RTLD_LAZY);
+ return gpfs_get_realfilename_path_fn(pathname, filenamep, buflen);
+}
- if (libgpfs_handle == NULL) {
- DEBUG(10, ("sys_dlopen for libgpfs_gpl failed: %s\n",
- strerror(errno)));
- return;
- }
+static bool init_gpfs_function_lib(void *plibhandle_pointer,
+ const char *libname,
+ void *pfn_pointer, const char *fn_name)
+{
+ bool did_open_here = false;
+ void **libhandle_pointer = (void **)plibhandle_pointer;
+ void **fn_pointer = (void **)pfn_pointer;
- DEBUG(10, ("libgpfs_gpl.so loaded\n"));
+ DEBUG(10, ("trying to load name %s from %s\n",
+ fn_name, libname));
- 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;
+ if (*libhandle_pointer == NULL) {
+ *libhandle_pointer = dlopen(libname, RTLD_LAZY);
+ did_open_here = true;
}
-
- 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;
+ if (*libhandle_pointer == NULL) {
+ DEBUG(10, ("Could not open lib %s\n", libname));
+ return false;
}
- 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;
+ *fn_pointer = dlsym(*libhandle_pointer, fn_name);
+ if (*fn_pointer == NULL) {
+ DEBUG(10, ("Did not find symbol %s in lib %s\n",
+ fn_name, libname));
+ if (did_open_here) {
+ dlclose(*libhandle_pointer);
+ *libhandle_pointer = NULL;
+ }
+ return false;
}
- 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;
- }
+ return true;
+}
+
+static bool init_gpfs_function(void *fn_pointer, const char *fn_name)
+{
+ static void *libgpfs_handle = NULL;
+ static void *libgpfs_gpl_handle = NULL;
- if (lp_parm_bool(-1, "gpfs", "sharemodes", True)) {
- gpfs_share_modes = True;
- } else {
- gpfs_share_modes = False;
+ if (init_gpfs_function_lib(&libgpfs_handle, "libgpfs.so",
+ fn_pointer, fn_name)) {
+ return true;
}
+ if (init_gpfs_function_lib(&libgpfs_gpl_handle, "libgpfs_gpl.so",
+ fn_pointer, fn_name)) {
+ return true;
+ }
+ return false;
+}
- return;
+void init_gpfs(void)
+{
+ init_gpfs_function(&gpfs_set_share_fn, "gpfs_set_share");
+ 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");
+ init_gpfs_function(&gpfs_get_realfilename_path_fn,
+ "gpfs_get_realfilename_path");
+
+ gpfs_share_modes = lp_parm_bool(-1, "gpfs", "sharemodes", True);
+ gpfs_leases = lp_parm_bool(-1, "gpfs", "leases", True);
+ gpfs_getrealfilename = lp_parm_bool(-1, "gpfs", "getrealfilename",
+ True);
-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;
}
#else
return -1;
}
-BOOL set_gpfs_sharemode(files_struct *fsp, uint32 access_mask,
+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"));
return -1;
}
+int smbd_gpfs_get_realfilename_path(char *pathname, char *fileamep,
+ int *buflen)
+{
+ errno = ENOSYS;
+ return -1;
+}
+
void init_gpfs(void)
{
return;
git.samba.org / ira / wip.git / blobdiff