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authorMichael I. Bushnell <mib@gnu.org>1995-12-19 18:01:25 +0000
committerMichael I. Bushnell <mib@gnu.org>1995-12-19 18:01:25 +0000
commitcab5319311493a17c4af5d4d491198a28b671ce7 (patch)
treee85cb65906e46819ca1c09a9a704ee7ac5344731
parente023ded3a58c64cd85d2c5050f6bfb059a894ae9 (diff)
Initial revision
-rw-r--r--libnetfs/io-reauthenticate.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/libnetfs/io-reauthenticate.c b/libnetfs/io-reauthenticate.c
new file mode 100644
index 00000000..d49209ab
--- /dev/null
+++ b/libnetfs/io-reauthenticate.c
@@ -0,0 +1,75 @@
+/*
+ Copyright (C) 1995 Free Software Foundation, Inc.
+ Written by Michael I. Bushnell, p/BSG.
+
+ 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
+
+#include "netfs.h"
+#include "io_S.h"
+
+error_t
+netfs_S_io_reauthenticate (struct protid *user, mach_port_t rend_port)
+{
+ struct protid *newpi;
+ uid_t gubuf[20], ggbuf[20], aubuf[20], agbuf[20];
+ uid_t *gen_uids, *gin_gids, *aux_uids, *aux_gids;
+ u_int genuidlen, gengidlen, auxuidlen, auxgidlen;
+ error_t err;
+
+ if (!user)
+ return EOPNOTSUPP;
+
+ genuidlen = gengidlen = auxuidlen = auxgidlen = 20;
+ gen_uids = gubuf;
+ gen_gids = ggbuf;
+ aux_uids = aubuf;
+ aux_gids = agbuf;
+
+ mutex_lock (&user->po->np->lock);
+ newpi = netfs_make_protid (user->po, 0);
+ err = auth_server_authenticate (netfs_auth_server_port,
+ ports_get_right (user),
+ MACH_MSG_TYPE_MAKE_SEND,
+ rend_port,
+ MACH_MSG_TYPE_MOVE_SEND,
+ ports_get_right (newpi),
+ MACH_MSG_TYPE_MAKE_SEND,
+ &gen_uids, &genuidlen,
+ &aux_uids, &auxuidlen,
+ &gen_gids, &gengidlen,
+ &aux_uids, &auxuidlen);
+ assert_perror (err);
+
+ newpi->credential = netfs_make_credential (gen_uids, genuidlen,
+ gen_gids, gengidlen);
+ mutex_unlock (&user->po->np->lock);
+ ports_port_deref (newpi);
+
+ if (gen_uids != gubuf)
+ vm_deallocate (mach_task_self (), (vm_address_t) gen_uids,
+ genuidlen * sizeof (uid_t));
+ if (aux_uids != aubuf)
+ vm_deallocate (mach_task_self (), (vm_address_t) aux_uids,
+ auxuidlen * sizeof (uid_t));
+ if (gen_gids != ggbuf)
+ vm_deallocate (mach_task_self (), (vm_address_t) gen_gids,
+ gengidlen * sizeof (uid_t));
+ if (aux_gids != aubuf)
+ vm_deallocate (mach_task_self (), (vm_address_t) aux_gids,
+ auxgidlen * sizeof (uid_t));
+ return 0;
+}