317 lines
9.8 KiB
C
317 lines
9.8 KiB
C
/*
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* config.c
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*
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* Copyright (c) 2020-2024, DarkMatterCore <pabloacurielz@gmail.com>.
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*
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* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
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*
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* nxdumptool is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* nxdumptool is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "nxdt_utils.h"
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#include "config.h"
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#include "title.h"
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#define CONFIG_VALIDATE_FIELD(type, name, ...) \
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if (!strcmp(key, #name)) { \
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if (name##_found || !jsonValidate##type(val, ##__VA_ARGS__)) goto end; \
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name##_found = true; \
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continue; \
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}
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#define CONFIG_VALIDATE_OBJECT(type, name) \
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if (!strcmp(key, #name)) { \
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if (name##_found || !configValidateJson##type##Object(val)) goto end; \
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name##_found = true; \
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continue; \
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}
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#define CONFIG_GETTER(functype, vartype, ...) \
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vartype configGet##functype(const char *path) { \
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vartype ret = (vartype)0; \
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SCOPED_LOCK(&g_configMutex) { \
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if (!g_configInterfaceInit) break; \
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ret = jsonGet##functype(g_configJson, path); \
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} \
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return ret; \
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}
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#define CONFIG_SETTER(functype, vartype, ...) \
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void configSet##functype(const char *path, vartype value) { \
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SCOPED_LOCK(&g_configMutex) { \
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if (!g_configInterfaceInit) break; \
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if (jsonSet##functype(g_configJson, path, value)) configWriteConfigJson(); \
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} \
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}
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/* Global variables. */
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static Mutex g_configMutex = 0;
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static bool g_configInterfaceInit = false;
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static char g_configJsonPath[FS_MAX_PATH] = {0};
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static struct json_object *g_configJson = NULL;
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/* Function prototypes. */
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static bool configParseConfigJson(void);
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static bool configResetConfigJson(void);
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static void configWriteConfigJson(void);
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static void configFreeConfigJson(void);
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static bool configValidateJsonRootObject(const struct json_object *obj);
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static bool configValidateJsonGameCardObject(const struct json_object *obj);
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static bool configValidateJsonNspObject(const struct json_object *obj);
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static bool configValidateJsonTicketObject(const struct json_object *obj);
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static bool configValidateJsonNcaFsObject(const struct json_object *obj);
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bool configInitialize(void)
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{
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bool ret = false;
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SCOPED_LOCK(&g_configMutex)
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{
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ret = g_configInterfaceInit;
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if (ret) break;
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/* Parse JSON config. */
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if (!configParseConfigJson())
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{
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LOG_MSG_ERROR("Failed to parse JSON configuration!");
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break;
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}
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/* Update flags. */
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ret = g_configInterfaceInit = true;
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}
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return ret;
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}
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void configExit(void)
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{
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SCOPED_LOCK(&g_configMutex)
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{
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/* Free JSON object. */
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/* We don't need to write it back to the SD card - setter functions do that on their own. */
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configFreeConfigJson();
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/* Update flag. */
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g_configInterfaceInit = false;
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}
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}
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void configResetSettings(void)
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{
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configResetConfigJson();
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}
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CONFIG_GETTER(Boolean, bool);
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CONFIG_SETTER(Boolean, bool);
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CONFIG_GETTER(Integer, int);
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CONFIG_SETTER(Integer, int);
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static bool configParseConfigJson(void)
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{
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bool use_default_config = true, use_root = true, ret = false;
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const char *launch_path = utilsGetLaunchPath();
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char *ptr1 = NULL, *ptr2 = NULL;
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/* Generate config JSON path. */
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if (launch_path)
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{
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ptr1 = strchr(launch_path, '/');
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ptr2 = strrchr(launch_path, '/');
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if (ptr1 && ptr2 && ptr1 != ptr2)
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{
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/* Use config JSON from the current working directory. */
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snprintf(g_configJsonPath, sizeof(g_configJsonPath), "%.*s" CONFIG_FILE_NAME, (int)((ptr2 - launch_path) + 1), launch_path);
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use_root = false;
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}
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}
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/* Use config JSON from the SD card root directory. */
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if (use_root) sprintf(g_configJsonPath, DEVOPTAB_SDMC_DEVICE "/" CONFIG_FILE_NAME);
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/* Read config JSON. */
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g_configJson = json_object_from_file(g_configJsonPath);
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if (g_configJson)
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{
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/* Validate configuration. */
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ret = configValidateJsonRootObject(g_configJson);
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use_default_config = !ret;
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} else {
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jsonLogLastError();
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}
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/* Try to load the default settings. */
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if (use_default_config) ret = configResetConfigJson();
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if (!ret) LOG_MSG_ERROR("Failed to parse both current and default JSON configuration files!");
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return ret;
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}
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static bool configResetConfigJson(void)
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{
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bool ret = false;
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LOG_MSG_INFO("Loading default configuration.");
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/* Free config JSON. */
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configFreeConfigJson();
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/* Read default config JSON. */
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g_configJson = json_object_from_file(DEFAULT_CONFIG_PATH);
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if (g_configJson)
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{
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configWriteConfigJson();
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ret = true;
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} else {
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jsonLogLastError();
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}
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return ret;
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}
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static void configWriteConfigJson(void)
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{
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if (!g_configJson) return;
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if (json_object_to_file_ext(g_configJsonPath, g_configJson, JSON_C_TO_STRING_SPACED | JSON_C_TO_STRING_PRETTY) != 0) jsonLogLastError();
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}
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static void configFreeConfigJson(void)
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{
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if (!g_configJson) return;
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json_object_put(g_configJson);
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g_configJson = NULL;
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}
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static bool configValidateJsonRootObject(const struct json_object *obj)
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{
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bool ret = false, overclock_found = false, naming_convention_found = false, output_storage_found = false, gamecard_found = false;
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bool nsp_found = false, ticket_found = false, nca_fs_found = false;
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if (!jsonValidateObject(obj)) goto end;
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json_object_object_foreach(obj, key, val)
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{
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CONFIG_VALIDATE_FIELD(Boolean, overclock);
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CONFIG_VALIDATE_FIELD(Integer, naming_convention, TitleNamingConvention_Full, TitleNamingConvention_Count - 1);
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CONFIG_VALIDATE_FIELD(Integer, output_storage, ConfigOutputStorage_SdCard, ConfigOutputStorage_Count - 1);
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CONFIG_VALIDATE_OBJECT(GameCard, gamecard);
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CONFIG_VALIDATE_OBJECT(Nsp, nsp);
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CONFIG_VALIDATE_OBJECT(Ticket, ticket);
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CONFIG_VALIDATE_OBJECT(NcaFs, nca_fs);
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goto end;
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}
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ret = (overclock_found && naming_convention_found && output_storage_found && gamecard_found && nsp_found && ticket_found && nca_fs_found);
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end:
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return ret;
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}
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static bool configValidateJsonGameCardObject(const struct json_object *obj)
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{
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bool ret = false, prepend_key_area_found = false, keep_certificate_found = false, trim_dump_found = false, calculate_checksum_found = false;
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bool checksum_lookup_method_found = false, write_raw_hfs_partition_found = false;
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if (!jsonValidateObject(obj)) goto end;
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json_object_object_foreach(obj, key, val)
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{
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CONFIG_VALIDATE_FIELD(Boolean, prepend_key_area);
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CONFIG_VALIDATE_FIELD(Boolean, keep_certificate);
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CONFIG_VALIDATE_FIELD(Boolean, trim_dump);
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CONFIG_VALIDATE_FIELD(Boolean, calculate_checksum);
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CONFIG_VALIDATE_FIELD(Integer, checksum_lookup_method, ConfigChecksumLookupMethod_None, ConfigChecksumLookupMethod_Count - 1);
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CONFIG_VALIDATE_FIELD(Boolean, write_raw_hfs_partition);
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goto end;
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}
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ret = (prepend_key_area_found && keep_certificate_found && trim_dump_found && calculate_checksum_found && checksum_lookup_method_found && write_raw_hfs_partition_found);
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end:
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return ret;
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}
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static bool configValidateJsonNspObject(const struct json_object *obj)
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{
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bool ret = false, set_download_distribution_found = false, remove_console_data_found = false, remove_titlekey_crypto_found = false;
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bool disable_linked_account_requirement_found = false, enable_screenshots_found = false, enable_video_capture_found = false, disable_hdcp_found = false;
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bool generate_authoringtool_data_found = false, lookup_checksum_found = false;
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if (!jsonValidateObject(obj)) goto end;
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json_object_object_foreach(obj, key, val)
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{
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CONFIG_VALIDATE_FIELD(Boolean, set_download_distribution);
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CONFIG_VALIDATE_FIELD(Boolean, remove_console_data);
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CONFIG_VALIDATE_FIELD(Boolean, remove_titlekey_crypto);
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CONFIG_VALIDATE_FIELD(Boolean, disable_linked_account_requirement);
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CONFIG_VALIDATE_FIELD(Boolean, enable_screenshots);
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CONFIG_VALIDATE_FIELD(Boolean, enable_video_capture);
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CONFIG_VALIDATE_FIELD(Boolean, disable_hdcp);
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CONFIG_VALIDATE_FIELD(Boolean, lookup_checksum);
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CONFIG_VALIDATE_FIELD(Boolean, generate_authoringtool_data);
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goto end;
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}
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ret = (set_download_distribution_found && remove_console_data_found && remove_titlekey_crypto_found && disable_linked_account_requirement_found && \
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enable_screenshots_found && enable_video_capture_found && disable_hdcp_found && generate_authoringtool_data_found && lookup_checksum_found);
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end:
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return ret;
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}
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static bool configValidateJsonTicketObject(const struct json_object *obj)
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{
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bool ret = false, remove_console_data_found = false;
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if (!jsonValidateObject(obj)) goto end;
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json_object_object_foreach(obj, key, val)
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{
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CONFIG_VALIDATE_FIELD(Boolean, remove_console_data);
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goto end;
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}
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ret = remove_console_data_found;
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end:
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return ret;
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}
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static bool configValidateJsonNcaFsObject(const struct json_object *obj)
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{
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bool ret = false, write_raw_section_found = false, use_layeredfs_dir_found = false;
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if (!jsonValidateObject(obj)) goto end;
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json_object_object_foreach(obj, key, val)
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{
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CONFIG_VALIDATE_FIELD(Boolean, write_raw_section);
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CONFIG_VALIDATE_FIELD(Boolean, use_layeredfs_dir);
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goto end;
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}
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ret = (write_raw_section_found && use_layeredfs_dir_found);
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end:
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return ret;
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}
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