1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/ 5 * Authors: Doug Rabson <dfr@rabson.org> 6 * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <sys/param.h> 34 #include <sys/kernel.h> 35 #include <sys/kobj.h> 36 #include <sys/malloc.h> 37 #include <sys/mbuf.h> 38 39 #include <kgssapi/gssapi.h> 40 #include <kgssapi/gssapi_impl.h> 41 42 #include "kgss_if.h" 43 44 OM_uint32 45 gss_verify_mic(OM_uint32 *minor_status, 46 const gss_ctx_id_t ctx, 47 const gss_buffer_t message_buffer, 48 const gss_buffer_t token_buffer, 49 gss_qop_t *qop_state) 50 { 51 OM_uint32 maj_stat; 52 struct mbuf *m, *mic; 53 54 if (!ctx) { 55 *minor_status = 0; 56 return (GSS_S_NO_CONTEXT); 57 } 58 59 MGET(m, M_WAITOK, MT_DATA); 60 if (message_buffer->length > MLEN) 61 MCLGET(m, M_WAITOK); 62 m_append(m, message_buffer->length, message_buffer->value); 63 64 MGET(mic, M_WAITOK, MT_DATA); 65 if (token_buffer->length > MLEN) 66 MCLGET(mic, M_WAITOK); 67 m_append(mic, token_buffer->length, token_buffer->value); 68 69 maj_stat = KGSS_VERIFY_MIC(ctx, minor_status, m, mic, qop_state); 70 71 m_freem(m); 72 m_freem(mic); 73 74 return (maj_stat); 75 } 76 77 OM_uint32 78 gss_verify_mic_mbuf(OM_uint32 *minor_status, const gss_ctx_id_t ctx, 79 struct mbuf *m, struct mbuf *mic, gss_qop_t *qop_state) 80 { 81 82 if (!ctx) { 83 *minor_status = 0; 84 return (GSS_S_NO_CONTEXT); 85 } 86 87 return (KGSS_VERIFY_MIC(ctx, minor_status, m, mic, qop_state)); 88 } 89