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/*
GSS-PROXY
Copyright (C) 2011 Red Hat, Inc.
Copyright (C) 2011 Simo Sorce <simo.sorce@redhat.com>
Copyright (C) 2012 Guenther Deschner <guenther.deschner@redhat.com>
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include "gp_rpc_process.h"
#include <gssapi/gssapi.h>
int gp_get_mic(struct gp_call_ctx *gpcall,
union gp_rpc_arg *arg,
union gp_rpc_res *res)
{
gss_buffer_desc message_buffer = GSS_C_EMPTY_BUFFER;
gss_buffer_desc message_token = GSS_C_EMPTY_BUFFER;
gss_ctx_id_t context_handle = GSS_C_NO_CONTEXT;
struct gssx_arg_get_mic *gma;
struct gssx_res_get_mic *gmr;
uint32_t ret_maj;
uint32_t ret_min;
int ret;
int exp_ctx_type;
gma = &arg->get_mic;
gmr = &res->get_mic;
exp_ctx_type = gp_get_exported_context_type(&gma->call_ctx);
if (exp_ctx_type == -1) {
ret_maj = GSS_S_FAILURE;
ret_min = EINVAL;
goto done;
}
ret_maj = gp_import_gssx_to_ctx_id(&ret_min, 0,
&gma->context_handle,
&context_handle);
if (ret_maj) {
goto done;
}
gp_conv_gssx_to_buffer(&gma->message_buffer, &message_buffer);
ret_maj = gss_get_mic(&ret_min, context_handle,
gma->qop_req, &message_buffer, &message_token);
if (ret_maj) {
goto done;
}
gmr->context_handle = calloc(1, sizeof(gssx_ctx));
if (!gmr->context_handle) {
ret_maj = GSS_S_FAILURE;
ret_min = ENOMEM;
goto done;
}
ret_maj = gp_export_ctx_id_to_gssx(&ret_min, exp_ctx_type, GSS_C_NO_OID,
&context_handle,
gmr->context_handle);
if (ret_maj) {
goto done;
}
gmr->qop_state = calloc(1, sizeof(gssx_qop));
if (!gmr->qop_state) {
ret_maj = GSS_S_FAILURE;
ret_min = ENOMEM;
goto done;
}
/* what is the point of returning an input parameter ? - gd */
*gmr->qop_state = gma->qop_req;
ret = gp_conv_buffer_to_gssx(&message_token, &gmr->token_buffer);
if (ret) {
ret_maj = GSS_S_FAILURE;
ret_min = ret;
goto done;
}
ret_maj = GSS_S_COMPLETE;
ret_min = 0;
done:
ret = gp_conv_status_to_gssx(&gma->call_ctx, ret_maj, ret_min,
GSS_C_NO_OID, &gmr->status);
gss_release_buffer(&ret_min, &message_token);
return ret;
}
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