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