1226031Sstas/*- 2226031Sstas * Copyright (c) 2005 Doug Rabson 3226031Sstas * All rights reserved. 4226031Sstas * 5226031Sstas * Redistribution and use in source and binary forms, with or without 6226031Sstas * modification, are permitted provided that the following conditions 7226031Sstas * are met: 8226031Sstas * 1. Redistributions of source code must retain the above copyright 9226031Sstas * notice, this list of conditions and the following disclaimer. 10226031Sstas * 2. Redistributions in binary form must reproduce the above copyright 11226031Sstas * notice, this list of conditions and the following disclaimer in the 12226031Sstas * documentation and/or other materials provided with the distribution. 13226031Sstas * 14226031Sstas * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15226031Sstas * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16226031Sstas * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17226031Sstas * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18226031Sstas * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19226031Sstas * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20226031Sstas * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21226031Sstas * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22226031Sstas * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23226031Sstas * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24226031Sstas * SUCH DAMAGE. 25226031Sstas * 26226031Sstas * $FreeBSD: src/lib/libgssapi/gss_export_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ 27226031Sstas */ 28226031Sstas 29226031Sstas#include "mech_locl.h" 30226031Sstas 31226031SstasGSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL 32226031Sstasgss_export_sec_context(OM_uint32 *minor_status, 33226031Sstas gss_ctx_id_t *context_handle, 34226031Sstas gss_buffer_t interprocess_token) 35226031Sstas{ 36226031Sstas OM_uint32 major_status; 37226031Sstas struct _gss_context *ctx = (struct _gss_context *) *context_handle; 38226031Sstas gssapi_mech_interface m = ctx->gc_mech; 39226031Sstas gss_buffer_desc buf; 40226031Sstas 41226031Sstas _mg_buffer_zero(interprocess_token); 42226031Sstas 43226031Sstas major_status = m->gm_export_sec_context(minor_status, 44226031Sstas &ctx->gc_ctx, &buf); 45226031Sstas 46226031Sstas if (major_status == GSS_S_COMPLETE) { 47226031Sstas unsigned char *p; 48226031Sstas 49226031Sstas free(ctx); 50226031Sstas *context_handle = GSS_C_NO_CONTEXT; 51226031Sstas interprocess_token->length = buf.length 52226031Sstas + 2 + m->gm_mech_oid.length; 53226031Sstas interprocess_token->value = malloc(interprocess_token->length); 54226031Sstas if (!interprocess_token->value) { 55226031Sstas /* 56226031Sstas * We are in trouble here - the context is 57226031Sstas * already gone. This is allowed as long as we 58226031Sstas * set the caller's context_handle to 59226031Sstas * GSS_C_NO_CONTEXT, which we did above. 60226031Sstas * Return GSS_S_FAILURE. 61226031Sstas */ 62226031Sstas _mg_buffer_zero(interprocess_token); 63226031Sstas *minor_status = ENOMEM; 64226031Sstas return (GSS_S_FAILURE); 65226031Sstas } 66226031Sstas p = interprocess_token->value; 67226031Sstas p[0] = m->gm_mech_oid.length >> 8; 68226031Sstas p[1] = m->gm_mech_oid.length; 69226031Sstas memcpy(p + 2, m->gm_mech_oid.elements, m->gm_mech_oid.length); 70226031Sstas memcpy(p + 2 + m->gm_mech_oid.length, buf.value, buf.length); 71226031Sstas gss_release_buffer(minor_status, &buf); 72226031Sstas } else { 73226031Sstas _gss_mg_error(m, major_status, *minor_status); 74226031Sstas } 75226031Sstas 76226031Sstas return (major_status); 77226031Sstas} 78