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/* Copyright (C) 2011,2012 the GSS-PROXY contributors, see COPYING for license */
#include "gssapi_gpm.h"
#include "src/gp_conv.h"
OM_uint32 gpm_wrap_size_limit(OM_uint32 *minor_status,
gssx_ctx *context_handle,
int conf_req,
gss_qop_t qop_req,
OM_uint32 size_req,
OM_uint32 *max_size)
{
union gp_rpc_arg uarg;
union gp_rpc_res ures;
gssx_arg_wrap_size_limit *arg = &uarg.wrap_size_limit;
gssx_res_wrap_size_limit *res = &ures.wrap_size_limit;
uint32_t ret_min = 0;
uint32_t ret_maj = 0;
int ret = 0;
memset(&uarg, 0, sizeof(union gp_rpc_arg));
memset(&ures, 0, sizeof(union gp_rpc_res));
if (!context_handle) {
return GSS_S_CALL_INACCESSIBLE_READ;
}
/* format request */
arg->context_handle = *context_handle;
arg->conf_req = conf_req;
arg->qop_state = qop_req;
arg->req_output_size = size_req;
/* execute proxy request */
ret = gpm_make_call(GSSX_WRAP_SIZE_LIMIT, &uarg, &ures);
if (ret) {
ret_maj = GSS_S_FAILURE;
ret_min = ret;
goto done;
}
/* format reply */
if (res->status.major_status) {
gpm_save_status(&res->status);
ret_min = res->status.minor_status;
ret_maj = res->status.major_status;
goto done;
}
if (max_size) {
*max_size = res->max_input_size;
}
done:
/* prevent the context handle from being destroyed in gpm_free_xdrs */
memset(&arg->context_handle, 0, sizeof(gssx_ctx));
gpm_free_xdrs(GSSX_WRAP_SIZE_LIMIT, &uarg, &ures);
*minor_status = ret_min;
return ret_maj;
}
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