1/* $NetBSD: connect.c,v 1.2 2017/01/28 21:31:44 christos Exp $ */ 2 3/* 4 * Copyright (c) 1997-2005 Kungliga Tekniska H��gskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Portions Copyright (c) 2009 Apple Inc. All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * 3. Neither the name of the Institute nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 38#include "kcm_locl.h" 39 40void 41kcm_service(void *ctx, const heim_idata *req, 42 const heim_icred cred, 43 heim_ipc_complete complete, 44 heim_sipc_call cctx) 45{ 46 kcm_client peercred; 47 krb5_error_code ret; 48 krb5_data request, rep; 49 unsigned char *buf; 50 size_t len; 51 52 krb5_data_zero(&rep); 53 54 peercred.uid = heim_ipc_cred_get_uid(cred); 55 peercred.gid = heim_ipc_cred_get_gid(cred); 56 peercred.pid = heim_ipc_cred_get_pid(cred); 57 peercred.session = heim_ipc_cred_get_session(cred); 58 59 if (req->length < 4) { 60 kcm_log(1, "malformed request from process %d (too short)", 61 peercred.pid); 62 (*complete)(cctx, EINVAL, NULL); 63 return; 64 } 65 66 buf = req->data; 67 len = req->length; 68 69 if (buf[0] != KCM_PROTOCOL_VERSION_MAJOR || 70 buf[1] != KCM_PROTOCOL_VERSION_MINOR) { 71 kcm_log(1, "incorrect protocol version %d.%d from process %d", 72 buf[0], buf[1], peercred.pid); 73 (*complete)(cctx, EINVAL, NULL); 74 return; 75 } 76 77 request.data = buf + 2; 78 request.length = len - 2; 79 80 /* buf is now pointing at opcode */ 81 82 ret = kcm_dispatch(kcm_context, &peercred, &request, &rep); 83 84 (*complete)(cctx, ret, &rep); 85 krb5_data_free(&rep); 86} 87