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85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/*-
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* Copyright (c) 2005 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <gssapi/gssapi.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "mech_switch.h"
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#include "context.h"
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#include "utils.h"
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OM_uint32
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gss_export_sec_context(OM_uint32 *minor_status,
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gss_ctx_id_t *context_handle,
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gss_buffer_t interprocess_token)
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{
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OM_uint32 major_status;
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struct _gss_context *ctx = (struct _gss_context *) *context_handle;
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struct _gss_mech_switch *m = ctx->gc_mech;
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gss_buffer_desc buf;
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_gss_buffer_zero(interprocess_token);
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major_status = m->gm_export_sec_context(minor_status,
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&ctx->gc_ctx, &buf);
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if (major_status == GSS_S_COMPLETE) {
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unsigned char *p;
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free(ctx);
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*context_handle = GSS_C_NO_CONTEXT;
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interprocess_token->length = buf.length
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+ 2 + m->gm_mech_oid.length;
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interprocess_token->value = malloc(interprocess_token->length);
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if (!interprocess_token->value) {
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/*
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* We are in trouble here - the context is
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* already gone. This is allowed as long as we
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* set the caller's context_handle to
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* GSS_C_NO_CONTEXT, which we did above.
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* Return GSS_S_FAILURE.
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*/
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_gss_buffer_zero(interprocess_token);
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*minor_status = ENOMEM;
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return (GSS_S_FAILURE);
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}
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p = interprocess_token->value;
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p[0] = m->gm_mech_oid.length >> 8;
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p[1] = m->gm_mech_oid.length;
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memcpy(p + 2, m->gm_mech_oid.elements, m->gm_mech_oid.length);
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memcpy(p + 2 + m->gm_mech_oid.length, buf.value, buf.length);
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gss_release_buffer(minor_status, &buf);
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} else {
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_gss_mg_error(m, major_status, *minor_status);
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}
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return (major_status);
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}
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