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gp_rpc_get_mic.c
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gp_rpc_get_mic.c
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/* Copyright (C) 2011,2012 the GSS-PROXY contributors, see COPYING for license */
#include "gp_rpc_process.h"
#include <gssapi/gssapi.h>
int gp_get_mic(struct gp_call_ctx *gpcall UNUSED,
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;
GPRPCDEBUG(gssx_arg_get_mic, gma);
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(ret_maj, ret_min,
GSS_C_NO_OID, &gmr->status);
GPRPCDEBUG(gssx_res_get_mic, gmr);
gss_release_buffer(&ret_min, &message_token);
return ret;
}