diff options
Diffstat (limited to 'source3/smbd/gpfs.c')
| -rw-r--r-- | source3/smbd/gpfs.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/source3/smbd/gpfs.c b/source3/smbd/gpfs.c deleted file mode 100644 index 4a8b9eea6c..0000000000 --- a/source3/smbd/gpfs.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * Unix SMB/CIFS implementation. - * Provide a connection to GPFS specific features - * Copyright (C) Volker Lendecke 2005 - * - * 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 2 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, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include "includes.h" - -#ifdef HAVE_GPFS_SET_SHARE - -#include "gpfs.h" - -static void *libgpfs_handle = NULL; - -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); - -BOOL set_gpfs_sharemode(files_struct *fsp, uint32 access_mask, - uint32 share_access) -{ - unsigned int allow = GPFS_SHARE_NONE; - unsigned int deny = GPFS_DENY_NONE; - int result; - - 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; - } - - allow |= (access_mask & (FILE_WRITE_DATA|FILE_APPEND_DATA| - DELETE_ACCESS)) ? GPFS_SHARE_WRITE : 0; - allow |= (access_mask & (FILE_READ_DATA|FILE_EXECUTE)) ? - GPFS_SHARE_READ : 0; - deny |= (share_access & (FILE_SHARE_WRITE|FILE_SHARE_DELETE)) ? - 0 : GPFS_DENY_WRITE; - deny |= (share_access & (FILE_SHARE_READ)) ? - 0 : GPFS_DENY_READ; - - 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); - if (result != 0) { - if (errno == ENOSYS) { - DEBUG(5, ("'gpfs share = yes' set, but no gpfs " - "available. Allowing access\n")); - return True; - } else { - DEBUG(10, ("gpfs_set_share failed: %s\n", - strerror(errno))); - } - } - - return (result == 0); -} - -int set_gpfs_lease(int fd, int leasetype) -{ - int gpfs_type = GPFS_LEASE_NONE; - - 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; - } - return gpfs_set_lease_fn(fd, gpfs_type); -} - -void init_gpfs(void) -{ - if (libgpfs_handle != NULL) { - return; - } - - libgpfs_handle = sys_dlopen("libgpfs.so", RTLD_LAZY); - - if (libgpfs_handle == NULL) { - DEBUG(10, ("sys_dlopen for libgpfs.so failed: %s\n", - strerror(errno))); - return; - } - - DEBUG(10, ("libgpfs.so loaded\n")); - - gpfs_set_share_fn = sys_dlsym(libgpfs_handle, "gpfs_set_share"); - if (gpfs_set_share_fn == NULL) { - DEBUG(3, ("libgpfs.so does not contain the symbol " - "'gpfs_set_share'\n")); - sys_dlclose(libgpfs_handle); - - /* leave libgpfs_handle != NULL around, no point - in trying twice */ - gpfs_set_lease_fn = NULL; - return; - } - - gpfs_set_lease_fn = sys_dlsym(libgpfs_handle, "gpfs_set_lease"); - if (gpfs_set_lease_fn == NULL) { - DEBUG(3, ("libgpfs.so does not contain the symbol " - "'gpfs_set_lease'\n")); - sys_dlclose(libgpfs_handle); - - /* leave libgpfs_handle != NULL around, no point - in trying twice */ - gpfs_set_share_fn = NULL; - return; - } -} - -#else - -int set_gpfs_lease(int snum, int leasetype) -{ - DEBUG(0, ("'gpfs share = yes' set 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, ("'gpfs share = yes' set without gpfs support compiled\n")); - /* Don't disturb but complain */ - return True; -} - -void init_gpfs(void) -{ - return; -} - -#endif |