diff options
Diffstat (limited to 'libtrivfs/io-reauthenticate.c')
| -rw-r--r-- | libtrivfs/io-reauthenticate.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/libtrivfs/io-reauthenticate.c b/libtrivfs/io-reauthenticate.c index 82ab77bc..e0388c01 100644 --- a/libtrivfs/io-reauthenticate.c +++ b/libtrivfs/io-reauthenticate.c @@ -31,6 +31,7 @@ trivfs_S_io_reauthenticate (struct protid *cred, u_int genuidlen, gengidlen, auxuidlen, auxgidlen; uid_t *gubuf, *ggbuf, *aubuf, *agbuf; error_t err; + int i; if (cred == 0) return EOPNOTSUPP; @@ -39,8 +40,7 @@ trivfs_S_io_reauthenticate (struct protid *cred, gubuf = gen_uids; ggbuf = gen_gids; aubuf = aux_uids; agbuf = aux_gids; - mutex_lock (&cred->po->np->lock); - newcred = diskfs_start_protid (cred->po); + newcred = ports_allocate_port (sizeof (struct protid), PT_PROTID); err = auth_server_authenticate (diskfs_auth_server_port, ports_get_right (cred), MACH_MSG_TYPE_MAKE_SEND, @@ -53,7 +53,14 @@ trivfs_S_io_reauthenticate (struct protid *cred, &aux_gids, &auxgidlen); assert (!err); /* XXX */ - diskfs_finish_protid (newcred, gen_uids, genuidlen, gen_gids, gengidlen); + newcred->isroot = 0; + for (i = 0; i < genuidlen; i++) + if (gen_uids[i] == 0) + newcred->isroot = 1; + err = io_restrict_auth (trivfs_underlying_node, &newcred->realnode, + gen_uids, genuidlen, gen_gids, gengidlen); + if (err) + newcred->realnode = MACH_PORT_NULL; if (gubuf != gen_uids) vm_deallocate (mach_task_self (), (u_int) gen_uids, @@ -69,3 +76,4 @@ trivfs_S_io_reauthenticate (struct protid *cred, auxgidlen * sizeof (uid_t)); return 0; +} |