diff options
Diffstat (limited to 'usr/src/lib/libgss/g_exp_sec_context.c')
| -rw-r--r-- | usr/src/lib/libgss/g_exp_sec_context.c | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/usr/src/lib/libgss/g_exp_sec_context.c b/usr/src/lib/libgss/g_exp_sec_context.c new file mode 100644 index 0000000000..954ac9dec1 --- /dev/null +++ b/usr/src/lib/libgss/g_exp_sec_context.c @@ -0,0 +1,113 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2004 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +/* + * glue routine for gss_export_sec_context + */ + +#include <mechglueP.h> +#include <stdio.h> +#include <errno.h> +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif +#include <string.h> + +OM_uint32 +gss_export_sec_context(minor_status, + context_handle, + interprocess_token) + +OM_uint32 *minor_status; +gss_ctx_id_t *context_handle; +gss_buffer_t interprocess_token; + +{ + OM_uint32 status; + OM_uint32 length; + gss_union_ctx_id_t ctx; + gss_mechanism mech; + gss_buffer_desc token; + char *buf; + + if (minor_status == NULL) + return (GSS_S_CALL_INACCESSIBLE_WRITE); + *minor_status = 0; + + if (context_handle == NULL || *context_handle == GSS_C_NO_CONTEXT) + return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT); + + if (interprocess_token == NULL) + return (GSS_S_CALL_INACCESSIBLE_READ); + + /* + * select the approprate underlying mechanism routine and + * call it. + */ + + ctx = (gss_union_ctx_id_t)*context_handle; + mech = __gss_get_mechanism(ctx->mech_type); + if (!mech) + return (GSS_S_BAD_MECH); + if (!mech->gss_export_sec_context) + return (GSS_S_UNAVAILABLE); + + status = mech->gss_export_sec_context(mech->context, minor_status, + &ctx->internal_ctx_id, &token); + if (status != GSS_S_COMPLETE) + return (status); + + length = token.length + 4 + ctx->mech_type->length; + interprocess_token->length = length; + interprocess_token->value = malloc(length); + if (interprocess_token->value == 0) { + (void) gss_release_buffer(minor_status, &token); + return (GSS_S_FAILURE); + } + buf = interprocess_token->value; + length = ctx->mech_type->length; + buf[3] = (unsigned char) (length & 0xFF); + length >>= 8; + buf[2] = (unsigned char) (length & 0xFF); + length >>= 8; + buf[1] = (unsigned char) (length & 0xFF); + length >>= 8; + buf[0] = (unsigned char) (length & 0xFF); + (void) memcpy(buf+4, ctx->mech_type->elements, + (size_t)ctx->mech_type->length); + (void) memcpy(buf+4+ctx->mech_type->length, token.value, token.length); + + (void) gss_release_buffer(minor_status, &token); + + free(ctx->mech_type->elements); + free(ctx->mech_type); + free(ctx); + *context_handle = 0; + + return (GSS_S_COMPLETE); +} |