diff options
Diffstat (limited to 'source4/heimdal/lib/gssapi/mech/gss_export_sec_context.c')
| -rw-r--r-- | source4/heimdal/lib/gssapi/mech/gss_export_sec_context.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/source4/heimdal/lib/gssapi/mech/gss_export_sec_context.c b/source4/heimdal/lib/gssapi/mech/gss_export_sec_context.c new file mode 100644 index 0000000000..f3a6dc4fb5 --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_export_sec_context.c @@ -0,0 +1,78 @@ +/*- + * 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_export_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $ + */ + +#include "mech_locl.h" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +gss_export_sec_context(OM_uint32 *minor_status, + gss_ctx_id_t *context_handle, + gss_buffer_t interprocess_token) +{ + OM_uint32 major_status; + struct _gss_context *ctx = (struct _gss_context *) *context_handle; + gssapi_mech_interface m = ctx->gc_mech; + gss_buffer_desc buf; + + _mg_buffer_zero(interprocess_token); + + major_status = m->gm_export_sec_context(minor_status, + &ctx->gc_ctx, &buf); + + if (major_status == GSS_S_COMPLETE) { + unsigned char *p; + + free(ctx); + *context_handle = GSS_C_NO_CONTEXT; + interprocess_token->length = buf.length + + 2 + m->gm_mech_oid.length; + interprocess_token->value = malloc(interprocess_token->length); + if (!interprocess_token->value) { + /* + * We are in trouble here - the context is + * already gone. This is allowed as long as we + * set the caller's context_handle to + * GSS_C_NO_CONTEXT, which we did above. + * Return GSS_S_FAILURE. + */ + _mg_buffer_zero(interprocess_token); + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + p = interprocess_token->value; + p[0] = m->gm_mech_oid.length >> 8; + p[1] = m->gm_mech_oid.length; + memcpy(p + 2, m->gm_mech_oid.elements, m->gm_mech_oid.length); + memcpy(p + 2 + m->gm_mech_oid.length, buf.value, buf.length); + gss_release_buffer(minor_status, &buf); + } else { + _gss_mg_error(m, major_status, *minor_status); + } + + return (major_status); +} |