/* #pragma ident "@(#)g_seal.c 1.19 98/04/21 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_wrap_iov
*/
#include "mglueP.h"
static OM_uint32
val_wrap_iov_args(
OM_uint32 *minor_status,
gss_ctx_id_t context_handle,
int conf_req_flag,
gss_qop_t qop_req,
int *conf_state,
gss_iov_buffer_desc *iov,
int iov_count)
{
/* Initialize outputs. */
if (minor_status != NULL)
*minor_status = 0;
/* Validate arguments. */
if (minor_status == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
if (context_handle == GSS_C_NO_CONTEXT)
return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
if (iov == GSS_C_NO_IOV_BUFFER)
return (GSS_S_CALL_INACCESSIBLE_READ);
return (GSS_S_COMPLETE);
}
OM_uint32 KRB5_CALLCONV
gss_wrap_iov (minor_status,
context_handle,
conf_req_flag,
qop_req,
conf_state,
iov,
iov_count)
OM_uint32 * minor_status;
gss_ctx_id_t context_handle;
int conf_req_flag;
gss_qop_t qop_req;
int * conf_state;
gss_iov_buffer_desc * iov;
int iov_count;
{
/* EXPORT DELETE START */
OM_uint32 status;
gss_union_ctx_id_t ctx;
gss_mechanism mech;
status = val_wrap_iov_args(minor_status, context_handle,
conf_req_flag, qop_req,
conf_state, iov, iov_count);
if (status != GSS_S_COMPLETE)
return (status);
/*
* select the approprate underlying mechanism routine and
* call it.
*/
ctx = (gss_union_ctx_id_t) context_handle;
if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT)
return (GSS_S_NO_CONTEXT);
mech = gssint_get_mechanism (ctx->mech_type);
if (mech) {
if (mech->gss_wrap_iov) {
status = mech->gss_wrap_iov(
minor_status,
ctx->internal_ctx_id,
conf_req_flag,
qop_req,
conf_state,
iov,
iov_count);
if (status != GSS_S_COMPLETE)
map_error(minor_status, mech);
} else
status = GSS_S_UNAVAILABLE;
return(status);
}
/* EXPORT DELETE END */
return (GSS_S_BAD_MECH);
}
OM_uint32 KRB5_CALLCONV
gss_wrap_iov_length (minor_status,
context_handle,
conf_req_flag,
qop_req,
conf_state,
iov,
iov_count)
OM_uint32 * minor_status;
gss_ctx_id_t context_handle;
int conf_req_flag;
gss_qop_t qop_req;
int * conf_state;
gss_iov_buffer_desc * iov;
int iov_count;
{
/* EXPORT DELETE START */
OM_uint32 status;
gss_union_ctx_id_t ctx;
gss_mechanism mech;
status = val_wrap_iov_args(minor_status, context_handle,
conf_req_flag, qop_req,
conf_state, iov, iov_count);
if (status != GSS_S_COMPLETE)
return (status);
/*
* select the approprate underlying mechanism routine and
* call it.
*/
ctx = (gss_union_ctx_id_t) context_handle;
if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT)
return (GSS_S_NO_CONTEXT);
mech = gssint_get_mechanism (ctx->mech_type);
if (mech) {
if (mech->gss_wrap_iov_length) {
status = mech->gss_wrap_iov_length(
minor_status,
ctx->internal_ctx_id,
conf_req_flag,
qop_req,
conf_state,
iov,
iov_count);
if (status != GSS_S_COMPLETE)
map_error(minor_status, mech);
} else
status = GSS_S_UNAVAILABLE;
return(status);
}
/* EXPORT DELETE END */
return (GSS_S_BAD_MECH);
}
OM_uint32 KRB5_CALLCONV
gss_get_mic_iov(OM_uint32 *minor_status, gss_ctx_id_t context_handle,
gss_qop_t qop_req, gss_iov_buffer_desc *iov, int iov_count)
{
OM_uint32 status;
gss_union_ctx_id_t ctx;
gss_mechanism mech;
status = val_wrap_iov_args(minor_status, context_handle, 0, qop_req, NULL,
iov, iov_count);
if (status != GSS_S_COMPLETE)
return status;
/* Select the approprate underlying mechanism routine and call it. */
ctx = (gss_union_ctx_id_t)context_handle;
if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT)
return GSS_S_NO_CONTEXT;
mech = gssint_get_mechanism(ctx->mech_type);
if (mech == NULL)
return GSS_S_BAD_MECH;
if (mech->gss_get_mic_iov == NULL)
return GSS_S_UNAVAILABLE;
status = mech->gss_get_mic_iov(minor_status, ctx->internal_ctx_id, qop_req,
iov, iov_count);
if (status != GSS_S_COMPLETE)
map_error(minor_status, mech);
return status;
}
OM_uint32 KRB5_CALLCONV
gss_get_mic_iov_length(OM_uint32 *minor_status, gss_ctx_id_t context_handle,
gss_qop_t qop_req, gss_iov_buffer_desc *iov,
int iov_count)
{
OM_uint32 status;
gss_union_ctx_id_t ctx;
gss_mechanism mech;
status = val_wrap_iov_args(minor_status, context_handle, 0, qop_req, NULL,
iov, iov_count);
if (status != GSS_S_COMPLETE)
return status;
/* Select the approprate underlying mechanism routine and call it. */
ctx = (gss_union_ctx_id_t)context_handle;
if (ctx->internal_ctx_id == GSS_C_NO_CONTEXT)
return GSS_S_NO_CONTEXT;
mech = gssint_get_mechanism(ctx->mech_type);
if (mech == NULL)
return GSS_S_BAD_MECH;
if (mech->gss_get_mic_iov_length == NULL)
return GSS_S_UNAVAILABLE;
status = mech->gss_get_mic_iov_length(minor_status, ctx->internal_ctx_id,
qop_req, iov, iov_count);
if (status != GSS_S_COMPLETE)
map_error(minor_status, mech);
return status;
}
OM_uint32 KRB5_CALLCONV
gss_release_iov_buffer (minor_status,
iov,
iov_count)
OM_uint32 * minor_status;
gss_iov_buffer_desc * iov;
int iov_count;
{
OM_uint32 status = GSS_S_COMPLETE;
int i;
if (minor_status)
*minor_status = 0;
if (iov == GSS_C_NO_IOV_BUFFER)
return GSS_S_COMPLETE;
for (i = 0; i < iov_count; i++) {
if (iov[i].type & GSS_IOV_BUFFER_FLAG_ALLOCATED) {
status = gss_release_buffer(minor_status, &iov[i].buffer);
if (status != GSS_S_COMPLETE)
break;
iov[i].type &= ~(GSS_IOV_BUFFER_FLAG_ALLOCATED);
}
}
return status;
}