/*- * Copyright (c) 2005 Doug Rabson * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: src/lib/libgssapi/gss_import_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ */ #include "mech_locl.h" GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL gss_import_sec_context(OM_uint32 *minor_status, const gss_buffer_t interprocess_token, gss_ctx_id_t *context_handle) { OM_uint32 major_status; gssapi_mech_interface m; struct _gss_context *ctx; gss_OID_desc mech_oid; gss_buffer_desc buf; unsigned char *p; size_t len; *minor_status = 0; *context_handle = GSS_C_NO_CONTEXT; /* * We added an oid to the front of the token in * gss_export_sec_context. */ p = interprocess_token->value; len = interprocess_token->length; if (len < 2) return (GSS_S_DEFECTIVE_TOKEN); mech_oid.length = (p[0] << 8) | p[1]; if (len < mech_oid.length + 2) return (GSS_S_DEFECTIVE_TOKEN); mech_oid.elements = p + 2; buf.length = len - 2 - mech_oid.length; buf.value = p + 2 + mech_oid.length; m = __gss_get_mechanism(&mech_oid); if (!m) return (GSS_S_DEFECTIVE_TOKEN); ctx = malloc(sizeof(struct _gss_context)); if (!ctx) { *minor_status = ENOMEM; return (GSS_S_FAILURE); } memset(ctx, 0, sizeof(struct _gss_context)); ctx->gc_mech = m; major_status = m->gm_import_sec_context(minor_status, &buf, &ctx->gc_ctx); if (major_status != GSS_S_COMPLETE) { _gss_mg_error(m, *minor_status); free(ctx); } else { *context_handle = (gss_ctx_id_t) ctx; } return (major_status); }