0362439563
with #861 internal.h, includes sc-ossl-compat.h which requires openssl header files. the tests/Makefile.am did not include the openssl CFLAGS.
208 lines
5.5 KiB
C
208 lines
5.5 KiB
C
/*
|
|
* aux-data.c: Auxiliary data help functions
|
|
*
|
|
* Copyright (C) 2016 Viktor Tarasov <viktor.tarasov@gmail.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#if HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <assert.h>
|
|
#include <string.h>
|
|
|
|
#include "internal.h"
|
|
#include "common/compat_strlcat.h"
|
|
|
|
#include <libopensc/errors.h>
|
|
#include <libopensc/types.h>
|
|
#include <libopensc/log.h>
|
|
#include <libopensc/aux-data.h>
|
|
|
|
|
|
int
|
|
sc_aux_data_allocate(struct sc_context *ctx, struct sc_auxiliary_data **dst, struct sc_auxiliary_data *src)
|
|
{
|
|
int rv = SC_ERROR_INTERNAL;
|
|
|
|
LOG_FUNC_CALLED(ctx);
|
|
|
|
if (!dst)
|
|
LOG_TEST_RET(ctx, SC_ERROR_INVALID_ARGUMENTS, "Cannot allocate auxiliary data");
|
|
|
|
if (*dst == NULL) {
|
|
*dst = calloc(1, sizeof(struct sc_auxiliary_data));
|
|
if (*dst == NULL)
|
|
LOG_TEST_RET(ctx, SC_ERROR_OUT_OF_MEMORY, "Cannot allocate aux. data");
|
|
}
|
|
|
|
if ((src == NULL) || (src->type == SC_AUX_DATA_TYPE_NO_DATA))
|
|
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
|
|
|
|
switch(src->type) {
|
|
case SC_AUX_DATA_TYPE_MD_CMAP_RECORD:
|
|
**dst = *src;
|
|
rv = SC_SUCCESS;
|
|
break;
|
|
default:
|
|
sc_log(ctx, "Invalid aux-data type %X", src->type);
|
|
LOG_TEST_RET(ctx, SC_ERROR_INVALID_ARGUMENTS, "Unknown aux-data type");
|
|
}
|
|
|
|
LOG_FUNC_RETURN(ctx, rv);
|
|
}
|
|
|
|
|
|
int
|
|
sc_aux_data_set_md_guid(struct sc_context *ctx, struct sc_auxiliary_data *aux_data, char *guid)
|
|
{
|
|
struct sc_md_cmap_record *rec;
|
|
int rv = SC_ERROR_INTERNAL;
|
|
|
|
LOG_FUNC_CALLED(ctx);
|
|
if (!aux_data || !guid || strlen(guid) > SC_MD_MAX_CONTAINER_NAME_LEN)
|
|
LOG_TEST_RET(ctx, SC_ERROR_INVALID_ARGUMENTS, "Cannot set guid for MD container");
|
|
|
|
switch(aux_data->type) {
|
|
case SC_AUX_DATA_TYPE_NO_DATA:
|
|
memset(aux_data, 0, sizeof(*aux_data));
|
|
aux_data->type = SC_AUX_DATA_TYPE_MD_CMAP_RECORD;
|
|
/* fallthrough */
|
|
case SC_AUX_DATA_TYPE_MD_CMAP_RECORD:
|
|
rec = &aux_data->data.cmap_record;
|
|
memcpy(rec->guid, guid, strlen(guid));
|
|
rec->guid_len = strlen(guid);
|
|
sc_log(ctx, "set MD container GUID '%s'", aux_data->data.cmap_record.guid);
|
|
rv = SC_SUCCESS;
|
|
break;
|
|
default:
|
|
sc_log(ctx, "Invalid aux-data type %X", aux_data->type);
|
|
LOG_TEST_RET(ctx, SC_ERROR_INVALID_ARGUMENTS, "Unknown aux-data type");
|
|
}
|
|
|
|
LOG_FUNC_RETURN(ctx, rv);
|
|
return rv;
|
|
}
|
|
|
|
|
|
int
|
|
sc_aux_data_set_md_flags(struct sc_context *ctx, struct sc_auxiliary_data *aux_data, unsigned char flags)
|
|
{
|
|
int rv = SC_ERROR_INTERNAL;
|
|
|
|
LOG_FUNC_CALLED(ctx);
|
|
if (!aux_data)
|
|
LOG_TEST_RET(ctx, SC_ERROR_INVALID_ARGUMENTS, "Cannot set flags of MD container");
|
|
|
|
switch(aux_data->type) {
|
|
case SC_AUX_DATA_TYPE_NO_DATA:
|
|
memset(aux_data, 0, sizeof(*aux_data));
|
|
aux_data->type = SC_AUX_DATA_TYPE_MD_CMAP_RECORD;
|
|
/* fallthrough */
|
|
case SC_AUX_DATA_TYPE_MD_CMAP_RECORD:
|
|
aux_data->data.cmap_record.flags = flags;
|
|
sc_log(ctx, "set MD container flags '0x%X'", flags);
|
|
rv = SC_SUCCESS;
|
|
break;
|
|
default:
|
|
sc_log(ctx, "Invalid aux-data type %X", aux_data->type);
|
|
LOG_TEST_RET(ctx, SC_ERROR_INVALID_ARGUMENTS, "Unknown aux-data type");
|
|
}
|
|
|
|
LOG_FUNC_RETURN(ctx, rv);
|
|
}
|
|
|
|
|
|
int
|
|
sc_aux_data_get_md_guid(struct sc_context *ctx, struct sc_auxiliary_data *aux_data,
|
|
unsigned flags, unsigned char *out, size_t *out_size)
|
|
{
|
|
struct sc_md_cmap_record *cmap_record = NULL;
|
|
char guid[SC_MD_MAX_CONTAINER_NAME_LEN + 3];
|
|
|
|
LOG_FUNC_CALLED(ctx);
|
|
if(!aux_data || !out || !out_size)
|
|
LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_ARGUMENTS);
|
|
|
|
if (aux_data->type != SC_AUX_DATA_TYPE_MD_CMAP_RECORD)
|
|
LOG_FUNC_RETURN(ctx, SC_ERROR_NOT_SUPPORTED);
|
|
|
|
cmap_record = &aux_data->data.cmap_record;
|
|
|
|
/* Ignore silently request of '{}' frame is output buffer is too small */
|
|
if (!flags && *out_size < strlen((char *)cmap_record->guid) + 2)
|
|
flags = 1;
|
|
|
|
*guid = '\0';
|
|
if (!flags)
|
|
strcpy(guid, "{");
|
|
strlcat(guid, (char *)cmap_record->guid, sizeof(guid)-1);
|
|
if (!flags)
|
|
strlcat(guid, "}", sizeof(guid));
|
|
|
|
if (*out_size < strlen(guid)) {
|
|
sc_log(ctx, "aux-data: buffer too small: out_size:%i < guid-length:%i", *out_size, strlen(guid));
|
|
LOG_FUNC_RETURN(ctx, SC_ERROR_BUFFER_TOO_SMALL);
|
|
}
|
|
|
|
memset(out, 0, *out_size);
|
|
memcpy(out, guid, strlen(guid));
|
|
*out_size = strlen(guid);
|
|
|
|
sc_log(ctx, "aux-data: returns guid '%s'", (char *)out);
|
|
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
|
|
}
|
|
|
|
|
|
int
|
|
sc_aux_data_get_md_flags(struct sc_context *ctx, struct sc_auxiliary_data *aux_data,
|
|
unsigned char *flags)
|
|
{
|
|
LOG_FUNC_CALLED(ctx);
|
|
if(!aux_data || !flags)
|
|
LOG_FUNC_RETURN(ctx, SC_ERROR_INVALID_ARGUMENTS);
|
|
|
|
if (aux_data->type != SC_AUX_DATA_TYPE_MD_CMAP_RECORD)
|
|
LOG_FUNC_RETURN(ctx, SC_ERROR_NOT_SUPPORTED);
|
|
|
|
*flags = aux_data->data.cmap_record.flags;
|
|
|
|
sc_log(ctx, "aux-data: returns flags '0x%X'", *flags);
|
|
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
|
|
}
|
|
|
|
|
|
void
|
|
sc_aux_data_free(struct sc_auxiliary_data **data)
|
|
{
|
|
if (data == NULL || *data == NULL)
|
|
return;
|
|
|
|
switch((*data)->type) {
|
|
case SC_AUX_DATA_TYPE_MD_CMAP_RECORD:
|
|
free(*data);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
*data = NULL;
|
|
}
|
|
|