diff options
| -rw-r--r-- | libtrivfs/io-duplicate.c | 35 | ||||
| -rw-r--r-- | libtrivfs/io-restrict-auth.c | 48 |
2 files changed, 83 insertions, 0 deletions
diff --git a/libtrivfs/io-duplicate.c b/libtrivfs/io-duplicate.c new file mode 100644 index 00000000..f49bb0d7 --- /dev/null +++ b/libtrivfs/io-duplicate.c @@ -0,0 +1,35 @@ +/* + Copyright (C) 1993, 1994 Free Software Foundation + +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 the GNU Hurd; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Written by Michael I. Bushnell. */ + +#include "priv.h" + +error_t +trivfs_S_io_duplicate (struct protid *cred, + mach_port_t *newport, + mach_msg_type_name_t newporttype) +{ + struct protid *newcred; + + if (!cred) + return EOPNOTSUPP; + + newcred = ports_allocate_port (sizeof (struct protid), PT_PROTID); + diff --git a/libtrivfs/io-restrict-auth.c b/libtrivfs/io-restrict-auth.c new file mode 100644 index 00000000..7aa9dd55 --- /dev/null +++ b/libtrivfs/io-restrict-auth.c @@ -0,0 +1,48 @@ +/* + Copyright (C) 1993, 1994 Free Software Foundation + +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 the GNU Hurd; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Written by Michael I. Bushnell. */ + +#include "priv.h" + +error_t +trivfs_S_io_restrict_auth (struct protid *cred, + mach_port_t *newport, + mach_msg_type_name_t *newporttype, + uid_t *uids, u_int nuids, + uid_t *gids, u_int ngids) +{ + struct protid *newcred; + + if (!cred) + return EOPNOTSUPP; + + newcred = ports_allocate_port (sizeof (struct protid), PT_PROTID); + spin_lock (&trivfs_refcnt_lock); + newcred->po = cred->po; + newcred->po->refcnt++; + spin_unlock (&trivfs_refcnt_lock); + + io_restrict_auth (cred->realnode, &newcred->realnode, + uids, nuids, gids, ngids); + + *newport = ports_get_right (newcred); + *newporttype = MACH_MSG_TYPE_MAKE_SEND; + return 0; +} |