Beispiel #1
0
OM_uint32
gss_export_name(OM_uint32 *minor_status, gss_name_t input_name,
    gss_buffer_t exported_name)
{
	struct export_name_res res;
	struct export_name_args args;
	enum clnt_stat stat;
	CLIENT *cl;

	*minor_status = 0;
	cl = kgss_gssd_client();
	if (cl == NULL)
		return (GSS_S_FAILURE);

	args.input_name = input_name->handle;

	bzero(&res, sizeof(res));
	stat = gssd_export_name_1(&args, &res, cl);
	CLNT_RELEASE(cl);
	if (stat != RPC_SUCCESS) {
		*minor_status = stat;
		return (GSS_S_FAILURE);
	}

	if (res.major_status != GSS_S_COMPLETE) {
		*minor_status = res.minor_status;
		return (res.major_status);
	}

	kgss_copy_buffer(&res.exported_name, exported_name);
	xdr_free((xdrproc_t) xdr_export_name_res, &res);

	return (GSS_S_COMPLETE);
}
OM_uint32
gss_delete_sec_context(OM_uint32 *minor_status, gss_ctx_id_t *context_handle,
	gss_buffer_t output_token)
{
	struct delete_sec_context_res res;
	struct delete_sec_context_args args;
	enum clnt_stat stat;
	gss_ctx_id_t ctx;
	CLIENT *cl;

	*minor_status = 0;

	if (!kgss_gssd_handle)
		return (GSS_S_FAILURE);

	if (*context_handle) {
		ctx = *context_handle;

		/*
		 * If we are past the context establishment phase, let
		 * the in-kernel code do the delete, otherwise
		 * userland needs to deal with it.
		 */
		if (ctx->handle) {
			args.ctx = ctx->handle;
			cl = kgss_gssd_client();
			if (cl == NULL)
				return (GSS_S_FAILURE);
	
			bzero(&res, sizeof(res));
			stat = gssd_delete_sec_context_1(&args, &res, cl);
			CLNT_RELEASE(cl);
			if (stat != RPC_SUCCESS) {
				*minor_status = stat;
				return (GSS_S_FAILURE);
			}

			if (output_token)
				kgss_copy_buffer(&res.output_token,
				    output_token);
			xdr_free((xdrproc_t) xdr_delete_sec_context_res, &res);

			kgss_delete_context(ctx, NULL);
		} else {
			kgss_delete_context(ctx, output_token);
		}
		*context_handle = NULL;
	} else {
		if (output_token) {
			output_token->length = 0;
			output_token->value = NULL;
		}
	}

	return (GSS_S_COMPLETE);
}
Beispiel #3
0
OM_uint32
gss_display_status(OM_uint32 *minor_status,
    OM_uint32 status_value,
    int status_type,
    const gss_OID mech_type,
    OM_uint32 *message_context,
    gss_buffer_t status_string)            /* status_string */
{
	struct display_status_res res;
	struct display_status_args args;
	enum clnt_stat stat;
	CLIENT *cl;

	*minor_status = 0;
	cl = kgss_gssd_client();
	if (cl == NULL)
		return (GSS_S_FAILURE);

	args.status_value = status_value;
	args.status_type = status_type;
	args.mech_type = mech_type;
	args.message_context = *message_context;
	
	bzero(&res, sizeof(res));
	stat = gssd_display_status_1(&args, &res, cl);
	CLNT_RELEASE(cl);
	if (stat != RPC_SUCCESS) {
		*minor_status = stat;
		return (GSS_S_FAILURE);
	}

	if (res.major_status != GSS_S_COMPLETE) {
		*minor_status = res.minor_status;
		return (res.major_status);
	}

	*message_context = res.message_context;
	kgss_copy_buffer(&res.status_string, status_string);
	xdr_free((xdrproc_t) xdr_display_status_res, &res);

	return (GSS_S_COMPLETE);
}
OM_uint32
gss_init_sec_context(OM_uint32 * minor_status,
    const gss_cred_id_t initiator_cred_handle,
    gss_ctx_id_t * context_handle,
    const gss_name_t target_name,
    const gss_OID input_mech_type,
    OM_uint32 req_flags,
    OM_uint32 time_req,
    const gss_channel_bindings_t input_chan_bindings,
    const gss_buffer_t input_token,
    gss_OID * actual_mech_type,
    gss_buffer_t output_token,
    OM_uint32 * ret_flags,
    OM_uint32 * time_rec)
{
	struct init_sec_context_res res;
	struct init_sec_context_args args;
	enum clnt_stat stat;
	gss_ctx_id_t ctx = *context_handle;

	*minor_status = 0;

	if (!kgss_gssd_handle)
		return (GSS_S_FAILURE);

	args.uid = curthread->td_ucred->cr_uid;
	if  (initiator_cred_handle)
		args.cred = initiator_cred_handle->handle;
	else
		args.cred = 0;
	if (ctx)
		args.ctx = ctx->handle;
	else
		args.ctx = 0;
	args.name = target_name->handle;
	args.mech_type = input_mech_type;
	args.req_flags = req_flags;
	args.time_req = time_req;
	args.input_chan_bindings = input_chan_bindings;
	if (input_token)
		args.input_token = *input_token;
	else {
		args.input_token.length = 0;
		args.input_token.value = NULL;
	}

	bzero(&res, sizeof(res));
	stat = gssd_init_sec_context_1(&args, &res, kgss_gssd_handle);
	if (stat != RPC_SUCCESS) {
		*minor_status = stat;
		return (GSS_S_FAILURE);
	}

	if (res.major_status != GSS_S_COMPLETE
	    && res.major_status != GSS_S_CONTINUE_NEEDED) {
		*minor_status = res.minor_status;
		xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
		return (res.major_status);
	}

	*minor_status = res.minor_status;

	if (!ctx) {
		ctx = kgss_create_context(res.actual_mech_type);
		if (!ctx) {
			xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
			*minor_status = 0;
			return (GSS_S_BAD_MECH);
		}
	}
	*context_handle = ctx;
	ctx->handle = res.ctx;
	if (actual_mech_type)
		*actual_mech_type = KGSS_MECH_TYPE(ctx);
	kgss_copy_buffer(&res.output_token, output_token);
	if (ret_flags)
		*ret_flags = res.ret_flags;
	if (time_rec)
		*time_rec = res.time_rec;

	xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);

	/*
	 * If the context establishment is complete, export it from
	 * userland and hand the result (which includes key material
	 * etc.) to the kernel implementation.
	 */
	if (res.major_status == GSS_S_COMPLETE)
		res.major_status = kgss_transfer_context(ctx);

	return (res.major_status);
}
OM_uint32 gss_accept_sec_context(OM_uint32 *minor_status,
    gss_ctx_id_t *context_handle,
    const gss_cred_id_t acceptor_cred_handle,
    const gss_buffer_t input_token,
    const gss_channel_bindings_t input_chan_bindings,
    gss_name_t *src_name,
    gss_OID *mech_type,
    gss_buffer_t output_token,
    OM_uint32 *ret_flags,
    OM_uint32 *time_rec,
    gss_cred_id_t *delegated_cred_handle)
{
	struct accept_sec_context_res res;
	struct accept_sec_context_args args;
	enum clnt_stat stat;
	gss_ctx_id_t ctx = *context_handle;
	gss_name_t name;
	gss_cred_id_t cred;

	if (!kgss_gssd_handle)
		return (GSS_S_FAILURE);

	if (ctx)
		args.ctx = ctx->handle;
	else
		args.ctx = 0;
	if (acceptor_cred_handle)
		args.cred = acceptor_cred_handle->handle;
	else
		args.cred = 0;
	args.input_token = *input_token;
	args.input_chan_bindings = input_chan_bindings;

	bzero(&res, sizeof(res));
	stat = gssd_accept_sec_context_1(&args, &res, kgss_gssd_handle);
	if (stat != RPC_SUCCESS) {
		*minor_status = stat;
		return (GSS_S_FAILURE);
	}

	if (res.major_status != GSS_S_COMPLETE
	    && res.major_status != GSS_S_CONTINUE_NEEDED) {
		*minor_status = res.minor_status;
		xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
		return (res.major_status);
	}

	*minor_status = res.minor_status;

	if (!ctx) {
		ctx = kgss_create_context(res.mech_type);
		if (!ctx) {
			xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
			*minor_status = 0;
			return (GSS_S_BAD_MECH);
		}
	}
	*context_handle = ctx;

	ctx->handle = res.ctx;
	name = malloc(sizeof(struct _gss_name_t), M_GSSAPI, M_WAITOK);
	name->handle = res.src_name;
	if (src_name) {
		*src_name = name;
	} else {
		OM_uint32 junk;
		gss_release_name(&junk, &name);
	}
	if (mech_type)
		*mech_type = KGSS_MECH_TYPE(ctx);
	kgss_copy_buffer(&res.output_token, output_token);
	if (ret_flags)
		*ret_flags = res.ret_flags;
	if (time_rec)
		*time_rec = res.time_rec;
	cred = malloc(sizeof(struct _gss_cred_id_t), M_GSSAPI, M_WAITOK);
	cred->handle = res.delegated_cred_handle;
	if (delegated_cred_handle) {
		*delegated_cred_handle = cred;
	} else {
		OM_uint32 junk;
		gss_release_cred(&junk, &cred);
	}

	xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);

	/*
	 * If the context establishment is complete, export it from
	 * userland and hand the result (which includes key material
	 * etc.) to the kernel implementation.
	 */
	if (res.major_status == GSS_S_COMPLETE)
		res.major_status = kgss_transfer_context(ctx);

	return (res.major_status);
}