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-rw-r--r--libdiskfs/trans-callback.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/libdiskfs/trans-callback.c b/libdiskfs/trans-callback.c
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--- /dev/null
+++ b/libdiskfs/trans-callback.c
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+/*
+ 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);
+}
+
+
+