+++ /dev/null
-/* #ident "@(#)gss_init_sec_context.c 1.20 95/08/07 SMI" */
-
-/*
- * Copyright 1996 by Sun Microsystems, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software
- * and its documentation for any purpose is hereby granted without fee,
- * provided that the above copyright notice appears in all copies and
- * that both that copyright notice and this permission notice appear in
- * supporting documentation, and that the name of Sun Microsystems not be used
- * in advertising or publicity pertaining to distribution of the software
- * without specific, written prior permission. Sun Microsystems makes no
- * representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- *
- * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
- * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
- * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-/*
- * glue routine for gss_init_sec_context
- */
-
-#include "mglueP.h"
-#include <stdio.h>
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#include <string.h>
-
-#define g_OID_equal(o1,o2) \
- (((o1)->length == (o2)->length) && \
- (memcmp((o1)->elements,(o2)->elements,(int) (o1)->length) == 0))
-
-OM_uint32 KRB5_CALLCONV
-gss_init_sec_context (minor_status,
- claimant_cred_handle,
- context_handle,
- target_name,
- req_mech_type,
- req_flags,
- time_req,
- input_chan_bindings,
- input_token,
- actual_mech_type,
- output_token,
- ret_flags,
- time_rec)
-
-OM_uint32 * minor_status;
-gss_cred_id_t claimant_cred_handle;
-gss_ctx_id_t * context_handle;
-gss_name_t target_name;
-gss_OID req_mech_type;
-OM_uint32 req_flags;
-OM_uint32 time_req;
-gss_channel_bindings_t input_chan_bindings;
-gss_buffer_t input_token;
-gss_OID * actual_mech_type;
-gss_buffer_t output_token;
-OM_uint32 * ret_flags;
-OM_uint32 * time_rec;
-
-{
- OM_uint32 status, temp_status, temp_minor_status;
- gss_union_name_t union_name;
- gss_union_cred_t union_cred;
- gss_name_t internal_name;
- gss_union_ctx_id_t union_ctx_id;
- gss_OID mech_type = (gss_OID) req_mech_type;
- gss_mechanism mech;
- gss_cred_id_t input_cred_handle;
-
- gss_initialize();
-
- if (context_handle == NULL)
- return GSS_S_NO_CONTEXT;
-
- union_name = (gss_union_name_t) target_name;
-
- /*
- * If mech_type is NULL, and the target_name is
- * mechanism-specific, then set it to the mech_type of
- * target_name.
- */
- if ((mech_type == GSS_C_NULL_OID) && union_name->mech_type)
- mech_type = union_name->mech_type;
-
- /*
- * obtain the gss mechanism information for the requested
- * mechanism. If mech_type is NULL, set it to the resultant
- * mechanism
- */
- mech = __gss_get_mechanism (mech_type);
- if (mech == NULL)
- return (GSS_S_BAD_MECH);
-
- if (mech_type == GSS_C_NULL_OID)
- mech_type = &mech->mech_type;
-
- /*
- * If target_name is mechanism_specific, then it must match the
- * mech_type that we're about to use. Otherwise, do an import on
- * the external_name form of the target name.
- */
- if (union_name->mech_type) {
- if (!g_OID_equal(union_name->mech_type, mech_type))
- return (GSS_S_BAD_MECH);
- internal_name = union_name->mech_name;
- } else {
- if ((temp_status = __gss_import_internal_name(minor_status, mech_type,
- union_name,
- &internal_name)))
- return (GSS_S_BAD_NAME);
- }
-
- /*
- * if context_handle is GSS_C_NO_CONTEXT, allocate a union context
- * descriptor to hold the mech type information as well as the
- * underlying mechanism context handle. Otherwise, cast the
- * value of *context_handle to the union context variable.
- */
-
- if(*context_handle == GSS_C_NO_CONTEXT) {
- union_ctx_id = (gss_union_ctx_id_t)
- malloc(sizeof(gss_union_ctx_id_desc));
-
- union_ctx_id->mech_type = (gss_OID)
- malloc(sizeof(gss_OID_desc));
-
- /* copy in the mech type information */
-
- union_ctx_id->mech_type->elements = (void *)
- malloc(mech_type->length);
-
- union_ctx_id->mech_type->length = mech_type->length;
- memcpy(union_ctx_id->mech_type->elements, mech_type->elements,
- mech_type->length);
-
- /* copy the supplied context handle */
-
- union_ctx_id->internal_ctx_id = *context_handle;
- } else
- union_ctx_id = *context_handle;
-
- /*
- * get the appropriate cred handle from the union cred struct.
- * defaults to GSS_C_NO_CREDENTIAL if there is no cred, which will
- * use the default credential.
- */
- union_cred = (gss_union_cred_t) claimant_cred_handle;
- input_cred_handle = __gss_get_mechanism_cred(union_cred, mech_type);
-
- /*
- * now call the approprate underlying mechanism routine
- */
-
- if (mech->gss_init_sec_context) {
- status = mech->gss_init_sec_context(
-#ifdef USE_MECH_CONTEXT
- mech->context,
-#endif
- minor_status,
- input_cred_handle,
- &union_ctx_id->internal_ctx_id,
- internal_name,
- mech_type,
- req_flags,
- time_req,
- input_chan_bindings,
- input_token,
- actual_mech_type,
- output_token,
- ret_flags,
- time_rec);
-
- if (*context_handle == GSS_C_NO_CONTEXT)
- *context_handle = (gss_ctx_id_t) union_ctx_id;
-
- } else
- status = GSS_S_BAD_BINDINGS;
-
- if (!union_name->mech_type) {
- (void) __gss_release_internal_name(&temp_minor_status,
- mech_type, &internal_name);
- }
-
- return(status);
-}
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