1153838Sdfr/*- 2153838Sdfr * Copyright (c) 2005 Doug Rabson 3153838Sdfr * All rights reserved. 4153838Sdfr * 5153838Sdfr * Redistribution and use in source and binary forms, with or without 6153838Sdfr * modification, are permitted provided that the following conditions 7153838Sdfr * are met: 8153838Sdfr * 1. Redistributions of source code must retain the above copyright 9153838Sdfr * notice, this list of conditions and the following disclaimer. 10153838Sdfr * 2. Redistributions in binary form must reproduce the above copyright 11153838Sdfr * notice, this list of conditions and the following disclaimer in the 12153838Sdfr * documentation and/or other materials provided with the distribution. 13153838Sdfr * 14153838Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15153838Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16153838Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17153838Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18153838Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19153838Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20153838Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21153838Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22153838Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23153838Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24153838Sdfr * SUCH DAMAGE. 25153838Sdfr * 26153838Sdfr * $FreeBSD$ 27153838Sdfr */ 28153838Sdfr 29153838Sdfr#include <gssapi/gssapi.h> 30153838Sdfr#include <stdlib.h> 31153838Sdfr#include <errno.h> 32153838Sdfr 33153838Sdfr#include "mech_switch.h" 34153838Sdfr#include "context.h" 35153838Sdfr 36153838SdfrOM_uint32 37153838Sdfrgss_import_sec_context(OM_uint32 *minor_status, 38153838Sdfr const gss_buffer_t interprocess_token, 39153838Sdfr gss_ctx_id_t *context_handle) 40153838Sdfr{ 41153838Sdfr OM_uint32 major_status; 42153838Sdfr struct _gss_mech_switch *m; 43153838Sdfr struct _gss_context *ctx; 44153838Sdfr gss_OID_desc mech_oid; 45153838Sdfr gss_buffer_desc buf; 46153838Sdfr unsigned char *p; 47153838Sdfr size_t len; 48153838Sdfr 49153838Sdfr *minor_status = 0; 50178828Sdfr *context_handle = GSS_C_NO_CONTEXT; 51153838Sdfr 52153838Sdfr /* 53153838Sdfr * We added an oid to the front of the token in 54153838Sdfr * gss_export_sec_context. 55153838Sdfr */ 56153838Sdfr p = interprocess_token->value; 57153838Sdfr len = interprocess_token->length; 58153838Sdfr if (len < 2) 59153838Sdfr return (GSS_S_DEFECTIVE_TOKEN); 60153838Sdfr mech_oid.length = (p[0] << 8) | p[1]; 61153838Sdfr if (len < mech_oid.length + 2) 62153838Sdfr return (GSS_S_DEFECTIVE_TOKEN); 63153838Sdfr mech_oid.elements = p + 2; 64153838Sdfr buf.length = len - 2 - mech_oid.length; 65153838Sdfr buf.value = p + 2 + mech_oid.length; 66153838Sdfr 67153838Sdfr m = _gss_find_mech_switch(&mech_oid); 68153838Sdfr if (!m) 69153838Sdfr return (GSS_S_DEFECTIVE_TOKEN); 70153838Sdfr 71153838Sdfr ctx = malloc(sizeof(struct _gss_context)); 72153838Sdfr if (!ctx) { 73153838Sdfr *minor_status = ENOMEM; 74153838Sdfr return (GSS_S_FAILURE); 75153838Sdfr } 76153838Sdfr ctx->gc_mech = m; 77153838Sdfr major_status = m->gm_import_sec_context(minor_status, 78153838Sdfr &buf, &ctx->gc_ctx); 79153838Sdfr if (major_status != GSS_S_COMPLETE) { 80178828Sdfr _gss_mg_error(m, major_status, *minor_status); 81153838Sdfr free(ctx); 82153838Sdfr } else { 83153838Sdfr *context_handle = (gss_ctx_id_t) ctx; 84153838Sdfr } 85153838Sdfr 86153838Sdfr return (major_status); 87153838Sdfr} 88