static int sc_pkcs15_bind_internal(sc_pkcs15_card_t *p15card)
{
unsigned char *buf = NULL;
int err, ok = 0;
size_t len;
sc_path_t tmppath;
sc_card_t *card = p15card->card;
sc_context_t *ctx = card->ctx;
sc_pkcs15_tokeninfo_t tokeninfo;
if (ctx->debug > 4)
sc_debug(ctx, "trying normal pkcs15 processing\n");
/* Enumerate apps now */
if (card->app_count < 0) {
err = sc_enum_apps(card);
if (err < 0 && err != SC_ERROR_FILE_NOT_FOUND) {
sc_error(ctx, "unable to enumerate apps: %s\n", sc_strerror(err));
goto end;
}
}
p15card->file_app = sc_file_new();
if (p15card->file_app == NULL) {
err = SC_ERROR_OUT_OF_MEMORY;
goto end;
}
sc_format_path("3F005015", &p15card->file_app->path);
if (card->app_count > 0) {
const sc_app_info_t *info;
info = sc_find_pkcs15_app(card);
if (info != NULL) {
if (info->path.len)
p15card->file_app->path = info->path;
if (info->ddo != NULL)
parse_ddo(p15card, info->ddo, info->ddo_len);
}
}
/* Check if pkcs15 directory exists */
sc_ctx_suppress_errors_on(card->ctx);
err = sc_select_file(card, &p15card->file_app->path, NULL);
#if 1
/* If the above test failed on cards without EF(DIR),
* try to continue read ODF from 3F005031. -aet
*/
if ((err == SC_ERROR_FILE_NOT_FOUND) &&
(card->app_count < 1)) {
sc_format_path("3F00", &p15card->file_app->path);
err = SC_NO_ERROR;
}
#endif
sc_ctx_suppress_errors_off(card->ctx);
if (err < 0)
goto end;
if (p15card->file_odf == NULL) {
/* check if an ODF is present; suppress errors as we
* don't know yet whether we have a pkcs15 card */
tmppath = p15card->file_app->path;
sc_append_path_id(&tmppath, (const u8 *) "\x50\x31", 2);
sc_ctx_suppress_errors_on(card->ctx);
err = sc_select_file(card, &tmppath, &p15card->file_odf);
sc_ctx_suppress_errors_off(card->ctx);
} else {
tmppath = p15card->file_odf->path;
sc_file_free(p15card->file_odf);
p15card->file_odf = NULL;
err = sc_select_file(card, &tmppath, &p15card->file_odf);
}
if (err != SC_SUCCESS) {
char pbuf[SC_MAX_PATH_STRING_SIZE];
int r = sc_path_print(pbuf, sizeof(pbuf), &tmppath);
if (r != SC_SUCCESS)
pbuf[0] = '\0';
sc_debug(ctx, "EF(ODF) not found in '%s'\n", pbuf);
goto end;
}
if ((len = p15card->file_odf->size) == 0) {
sc_error(card->ctx, "EF(ODF) is empty\n");
goto end;
}
buf = malloc(len);
if(buf == NULL)
return SC_ERROR_OUT_OF_MEMORY;
err = sc_read_binary(card, 0, buf, len, 0);
if (err < 0)
goto end;
if (err < 2) {
err = SC_ERROR_PKCS15_APP_NOT_FOUND;
goto end;
}
len = err;
if (parse_odf(buf, len, p15card)) {
err = SC_ERROR_PKCS15_APP_NOT_FOUND;
sc_error(card->ctx, "Unable to parse ODF\n");
goto end;
}
free(buf);
buf = NULL;
if (card->ctx->debug) {
sc_pkcs15_df_t *df;
sc_debug(card->ctx, "The following DFs were found:\n");
for (df = p15card->df_list; df; df = df->next) {
char pbuf[SC_MAX_PATH_STRING_SIZE];
int r = sc_path_print(pbuf, sizeof(pbuf), &df->path);
if (r != SC_SUCCESS)
pbuf[0] = '\0';
sc_debug(card->ctx,
" DF type %u, path %s, index %u, count %d\n",
df->type, pbuf, df->path.index, df->path.count);
}
}
if (p15card->file_tokeninfo == NULL) {
tmppath = p15card->file_app->path;
sc_append_path_id(&tmppath, (const u8 *) "\x50\x32", 2);
} else {
tmppath = p15card->file_tokeninfo->path;
sc_file_free(p15card->file_tokeninfo);
p15card->file_tokeninfo = NULL;
}
err = sc_select_file(card, &tmppath, &p15card->file_tokeninfo);
if (err)
goto end;
if ((len = p15card->file_tokeninfo->size) == 0) {
sc_error(card->ctx, "EF(TokenInfo) is empty\n");
goto end;
}
buf = malloc(len);
if(buf == NULL)
return SC_ERROR_OUT_OF_MEMORY;
err = sc_read_binary(card, 0, buf, len, 0);
if (err < 0)
goto end;
if (err <= 2) {
err = SC_ERROR_PKCS15_APP_NOT_FOUND;
goto end;
}
memset(&tokeninfo, 0, sizeof(tokeninfo));
err = sc_pkcs15_parse_tokeninfo(ctx, &tokeninfo, buf, (size_t)err);
if (err != SC_SUCCESS)
goto end;
p15card->version = tokeninfo.version;
p15card->label = tokeninfo.label;
p15card->serial_number = tokeninfo.serial_number;
p15card->manufacturer_id = tokeninfo.manufacturer_id;
p15card->last_update = tokeninfo.last_update;
p15card->flags = tokeninfo.flags;
p15card->preferred_language = tokeninfo.preferred_language;
p15card->seInfo = tokeninfo.seInfo;
p15card->num_seInfo = tokeninfo.num_seInfo;
/* for cardos cards initialized by Siemens: sign with decrypt */
if (strcmp(p15card->card->driver->short_name,"cardos") == 0
&& ( strcmp(p15card->manufacturer_id,"Siemens AG (C)") == 0
|| strcmp(p15card->manufacturer_id,"Prime") == 0 ))
p15card->flags |= SC_PKCS15_CARD_FLAG_SIGN_WITH_DECRYPT;
ok = 1;
end:
if(buf != NULL)
free(buf);
if (!ok) {
sc_pkcs15_card_clear(p15card);
return err;
}
return SC_SUCCESS;
}
static int parse_emu_block(sc_pkcs15_card_t *p15card, scconf_block *conf)
{
sc_card_t *card = p15card->card;
sc_context_t *ctx = card->ctx;
sc_pkcs15emu_opt_t opts;
void *handle = NULL;
int (*init_func)(sc_pkcs15_card_t *);
int (*init_func_ex)(sc_pkcs15_card_t *, sc_pkcs15emu_opt_t *);
int r, force = 0;
const char *driver, *module_name;
driver = conf->name->data;
init_func = NULL;
init_func_ex = NULL;
memset(&opts, 0, sizeof(opts));
opts.blk = conf;
if (force != 0)
opts.flags = SC_PKCS15EMU_FLAGS_NO_CHECK;
module_name = scconf_get_str(conf, "module", builtin_name);
if (!strcmp(module_name, "builtin")) {
int i;
/* This function is built into libopensc itself.
* Look it up in the table of emulators */
module_name = driver;
for (i = 0; builtin_emulators[i].name; i++) {
if (!strcmp(builtin_emulators[i].name, module_name)) {
init_func_ex = builtin_emulators[i].handler;
break;
}
}
} else {
const char *(*get_version)(void);
const char *name = NULL;
void *address;
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "Loading %s\n", module_name);
/* try to open dynamic library */
handle = sc_dlopen(module_name);
if (!handle) {
sc_debug(ctx, SC_LOG_DEBUG_NORMAL, "unable to open dynamic library '%s': %s\n",
module_name, sc_dlerror());
return SC_ERROR_INTERNAL;
}
/* try to get version of the driver/api */
get_version = (const char *(*)(void)) sc_dlsym(handle, "sc_driver_version");
if (!get_version || strcmp(get_version(), "0.9.3") < 0) {
/* no sc_driver_version function => assume old style
* init function (note: this should later give an error
*/
/* get the init function name */
name = scconf_get_str(conf, "function", func_name);
address = sc_dlsym(handle, name);
if (address)
init_func = (int (*)(sc_pkcs15_card_t *)) address;
} else {
name = scconf_get_str(conf, "function", exfunc_name);
address = sc_dlsym(handle, name);
if (address)
init_func_ex = (int (*)(sc_pkcs15_card_t *, sc_pkcs15emu_opt_t *)) address;
}
}
/* try to initialize the pkcs15 structures */
if (init_func_ex)
r = init_func_ex(p15card, &opts);
else if (init_func)
r = init_func(p15card);
else
r = SC_ERROR_WRONG_CARD;
if (r >= 0) {
sc_debug(card->ctx, SC_LOG_DEBUG_NORMAL, "%s succeeded, card bound\n",
module_name);
p15card->dll_handle = handle;
} else {
sc_debug(card->ctx, SC_LOG_DEBUG_NORMAL, "%s failed: %s\n",
module_name, sc_strerror(r));
/* clear pkcs15 card */
sc_pkcs15_card_clear(p15card);
if (handle)
sc_dlclose(handle);
}
return r;
}
