diff options
| -rw-r--r-- | libdiskfs/trans-callback.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/libdiskfs/trans-callback.c b/libdiskfs/trans-callback.c new file mode 100644 index 00000000..d5c4d0d6 --- /dev/null +++ b/libdiskfs/trans-callback.c @@ -0,0 +1,54 @@ +/* + Copyright (C) 1995 Free Software Foundation, Inc. + Written by Michael I. Bushnell. + + This file is part of the GNU Hurd. + + The GNU Hurd 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. + + The GNU Hurd 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" + +/* Callback function needed for calls to fshelp_fetch_root. See + <hurd/fshelp.h> for the interface description. */ +static error_t +_diskfs_translator_callback_fn (void *cookie1, void *cookie2, + mach_port_t *underlying, + uid_t *uid, gid_t *id, char **argz, + int *argz_len, mach_port_t dotdot) +{ + struct node *np = cookie1; + mach_port_t *dotdot = cookie2; + + if (!np->istranslated) + return ENOENT; + + *uid = np->dn_stat.st_owner; + *gid = np->dn_stat.st_group; + + *underlying = (ports_get_right + (diskfs_make_protid + (diskfs_make_peropen (np, + (O_READ|O_EXEC| + | (diskfs_readonly ? O_WRITE : 0)), + *dotdot), + uid, 1, gid, 1))); + mach_port_insert_right (mach_task_mself (), *underlying, *underlying, + MACH_MSG_TYPE_MAKE_SEND); + + return diskfs_get_translator (np, argz, (u_int *) argz_len); +} + + + |