diff options
Diffstat (limited to 'libdiskfs')
| -rw-r--r-- | libdiskfs/file-inv-trans.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/libdiskfs/file-inv-trans.c b/libdiskfs/file-inv-trans.c deleted file mode 100644 index d3014164..00000000 --- a/libdiskfs/file-inv-trans.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - Copyright (C) 1994, 1995, 1996 Free Software Foundation - - 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, 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 "priv.h" -#include "fs_S.h" -#include <fcntl.h> - -/* Implement fs.defs:file_invoke_translator as described in <hurd/fs.defs>. */ -kern_return_t -diskfs_S_file_invoke_translator (struct protid *cred __attribute__ ((unused)), - int flags __attribute__ ((unused)), - retry_type *retry __attribute__ ((unused)), - char *retry_name __attribute__ ((unused)), - mach_port_t *retrypt __attribute__ ((unused)), - mach_msg_type_name_t *retrypttype - __attribute__ ((unused))) -{ -#if 0 - /* XXX */ - static mach_port_t _diskfs_dotdot_file = MACH_PORT_NULL; - error_t error = 0; - mode_t type; - struct node *np; - struct protid *newpi; - - /* This code is very similar (but subtly different) from - dir-pathtrans.c and fsys-getroot.c. A way should be found to - combine them. */ - - if (!cred) - return EOPNOTSUPP; - - flags &= O_HURD; - - np = cred->po->np; - - mutex_lock (&np->lock); - - type = np->dn_stat.st_mode & S_IFMT; - - repeat_transcheck: - /* Ignore O_NOTRANS in the following check */ - if ((np->dn_stat.st_mode & S_IPTRANS) - || np->translator.control != MACH_PORT_NULL) - { - mach_port_t control = np->translator.control; - - if (control == MACH_PORT_NULL) - { - /* This use of _diskfs_dotdot_file is completely and utterly - bogus. XXX */ - if (error = diskfs_start_translator (np, _diskfs_dotdot_file)) - { - mutex_unlock (&np->lock); - return error; - } - control = np->translator.control; - } - - mach_port_mod_refs (mach_task_self (), control, MACH_PORT_RIGHT_SEND, 1); - mutex_unlock (&np->lock); - error = fsys_getroot (control, - cred->user->uids->ids, cred->user->uids->num, - cred->user->gids->ids, cred->user->gids->num, - flags, retry, retry_name, retrypt); - if (error == MACH_SEND_INVALID_DEST) - { - mutex_lock (&np->lock); - if (np->translator.control == control) - fshelp_translator_drop (&np->translator); - mach_port_deallocate (mach_task_self (), control); - error = 0; - goto repeat_transcheck; - } - - if (!error && *retrypt != MACH_PORT_NULL) - *retrypttype = MACH_MSG_TYPE_MOVE_SEND; - else - *retrypttype = MACH_MSG_TYPE_COPY_SEND; - - return error; - } - - /* Ignore O_NOTRANS here. */ - if (type == S_IFLNK && !(flags & O_NOLINK)) - { - /* Handle symlink interpretation */ - char pathbuf[np->dn_stat.st_size + 1]; - int amt; - - if (diskfs_read_symlink_hook) - error = (*diskfs_read_symlink_hook) (np, pathbuf); - if (!diskfs_read_symlink_hook || error == EINVAL) - error = diskfs_node_rdwr (np, pathbuf, 0, np->dn_stat.st_size, 0, - 0, &amt); - pathbuf[amt] = '\0'; - - mutex_unlock (&np->lock); - if (error) - return error; - - if (pathbuf[0] == '/') - { - *retry = FS_RETRY_MAGICAL; - *retrypt = MACH_PORT_NULL; - *retrypttype = MACH_MSG_TYPE_COPY_SEND; - strcpy (retry_name, pathbuf); - return 0; - } - else - { - *retry = FS_RETRY_REAUTH; - *retrypt = _diskfs_dotdot_file; - *retrypttype = MACH_MSG_TYPE_COPY_SEND; - strcpy (retry_name, pathbuf); - return 0; - } - } - - if ((type == S_IFSOCK || type == S_IFBLK - || type == S_IFCHR || type == S_IFIFO) - && (flags & (O_READ|O_WRITE|O_EXEC))) - error = EOPNOTSUPP; - - - flags &= ~OPENONLY_STATE_MODES; - - error = diskfs_create_protid (diskfs_make_peropen (np, flags, - _diskfs_dotdot_file), - cred->user, &newpi); - if (! error) - { - *retry = FS_RETRY_NONE; - retry_name[0] = '\0'; - *retrypt = ports_get_right (newpi); - *retrypttype = MACH_MSG_TYPE_MAKE_SEND; - ports_port_deref (newpi); - } - - mutex_unlock (&np->lock); - - return error; -#else - return EOPNOTSUPP; -#endif -} |