diff options
Diffstat (limited to 'source4/heimdal/lib/gssapi/mech/gss_import_sec_context.c')
| -rw-r--r-- | source4/heimdal/lib/gssapi/mech/gss_import_sec_context.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/source4/heimdal/lib/gssapi/mech/gss_import_sec_context.c b/source4/heimdal/lib/gssapi/mech/gss_import_sec_context.c new file mode 100644 index 0000000000..01ca9f10df --- /dev/null +++ b/source4/heimdal/lib/gssapi/mech/gss_import_sec_context.c @@ -0,0 +1,83 @@ +/*- + * 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" +RCSID("$Id$"); + +OM_uint32 GSSAPI_LIB_FUNCTION +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); + } + 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, major_status, *minor_status); + free(ctx); + } else { + *context_handle = (gss_ctx_id_t) ctx; + } + + return (major_status); +} |