gss_get_mic.c

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    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_get_mic(OM_uint32 *minor_status,
   46     const gss_ctx_id_t ctx,
   47     gss_qop_t qop_req,
   48     const gss_buffer_t message_buffer,
   49     gss_buffer_t message_token)
   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         maj_stat = KGSS_GET_MIC(ctx, minor_status, qop_req, m, &mic);
   65 
   66         m_freem(m);
   67         if (maj_stat == GSS_S_COMPLETE) {
   68                 message_token->length = m_length(mic, NULL);
   69                 message_token->value = malloc(message_token->length,
   70                     M_GSSAPI, M_WAITOK);
   71                 m_copydata(mic, 0, message_token->length,
   72                     message_token->value);
   73                 m_freem(mic);
   74         }
   75 
   76         return (maj_stat);
   77 }
   78 
   79 OM_uint32
   80 gss_get_mic_mbuf(OM_uint32 *minor_status, const gss_ctx_id_t ctx,
   81     gss_qop_t qop_req, struct mbuf *m, struct mbuf **micp)
   82 {
   83 
   84         if (!ctx) {
   85                 *minor_status = 0;
   86                 return (GSS_S_NO_CONTEXT);
   87         }
   88 
   89         return (KGSS_GET_MIC(ctx, minor_status, qop_req, m, micp));
   90 }
   91

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FreeBSD/Linux Kernel Cross Reference sys/kgssapi/gss_get_mic.c

FreeBSD/Linux Kernel Cross Reference
sys/kgssapi/gss_get_mic.c