static int parse_odf(const u8 * buf, size_t buflen, struct sc_pkcs15_card *card)
{
const u8 *p = buf;
size_t left = buflen;
int r, i, type;
sc_path_t path;
struct sc_asn1_entry asn1_obj_or_path[] = {
{ "path", SC_ASN1_PATH, SC_ASN1_CONS | SC_ASN1_SEQUENCE, 0, &path, NULL },
{ NULL, 0, 0, 0, NULL, NULL }
};
struct sc_asn1_entry asn1_odf[10];
sc_copy_asn1_entry(c_asn1_odf, asn1_odf);
for (i = 0; asn1_odf[i].name != NULL; i++)
sc_format_asn1_entry(asn1_odf + i, asn1_obj_or_path, NULL, 0);
while (left > 0) {
r = sc_asn1_decode_choice(card->card->ctx, asn1_odf, p, left, &p, &left);
if (r == SC_ERROR_ASN1_END_OF_CONTENTS)
break;
if (r < 0)
return r;
type = r;
r = sc_pkcs15_make_absolute_path(&card->file_app->path, &path);
if (r < 0)
return r;
r = sc_pkcs15_add_df(card, odf_indexes[type], &path, NULL);
if (r)
return r;
}
return 0;
}
static sc_pkcs15_df_t * sc_pkcs15emu_get_df(sc_pkcs15_card_t *p15card,
unsigned int type)
{
sc_pkcs15_df_t *df;
sc_file_t *file;
int created = 0;
while (1) {
for (df = p15card->df_list; df; df = df->next) {
if (df->type == type) {
if (created)
df->enumerated = 1;
return df;
}
}
assert(created == 0);
file = sc_file_new();
if (!file)
return NULL;
sc_format_path("11001101", &file->path);
sc_pkcs15_add_df(p15card, type, &file->path);
sc_file_free(file);
created++;
}
}
static int
sc_oberthur_parse_privateinfo (struct sc_pkcs15_card *p15card,
unsigned char *buff, size_t len, int postpone_allowed)
{
struct sc_context *ctx = p15card->card->ctx;
size_t ii;
int rv;
int no_more_private_keys = 0, no_more_private_data = 0;
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
for (ii=0; ii<len; ii+=5) {
unsigned int file_id, size;
if(*(buff+ii) != 0xFF)
continue;
file_id = 0x100 * *(buff+ii + 1) + *(buff+ii + 2);
size = 0x100 * *(buff+ii + 3) + *(buff+ii + 4);
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "add private object (file-id:%04X, size:%X)", file_id, size);
switch (*(buff+ii + 1)) {
case BASE_ID_PRV_RSA :
if (no_more_private_keys)
break;
rv = sc_pkcs15emu_oberthur_add_prvkey(p15card, file_id, size);
if (rv == SC_ERROR_SECURITY_STATUS_NOT_SATISFIED && postpone_allowed) {
struct sc_path path;
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "postpone adding of the private keys");
sc_format_path("5011A5A5", &path);
rv = sc_pkcs15_add_df(p15card, SC_PKCS15_PRKDF, &path);
SC_TEST_RET(ctx, SC_LOG_DEBUG_NORMAL, rv, "Add PrkDF error");
no_more_private_keys = 1;
}
SC_TEST_RET(ctx, SC_LOG_DEBUG_NORMAL, rv, "Cannot parse private key info");
break;
case BASE_ID_PRV_DES :
break;
case BASE_ID_PRV_DATA :
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "*(buff+ii + 1):%X", *(buff+ii + 1));
if (no_more_private_data)
break;
rv = sc_pkcs15emu_oberthur_add_data(p15card, file_id, size, 1);
if (rv == SC_ERROR_SECURITY_STATUS_NOT_SATISFIED && postpone_allowed) {
struct sc_path path;
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "postpone adding of the private data");
sc_format_path("5011A6A6", &path);
rv = sc_pkcs15_add_df(p15card, SC_PKCS15_DODF, &path);
SC_TEST_RET(ctx, SC_LOG_DEBUG_NORMAL, rv, "Add DODF error");
no_more_private_data = 1;
}
SC_TEST_RET(ctx, SC_LOG_DEBUG_NORMAL, rv, "Cannot parse private data info");
break;
default:
SC_TEST_RET(ctx, SC_LOG_DEBUG_NORMAL, SC_ERROR_UNKNOWN_DATA_RECEIVED, "Private object parse error");
}
}
SC_FUNC_RETURN(ctx, SC_LOG_DEBUG_NORMAL, SC_SUCCESS);
}