mirror of
https://github.com/DarkMatterCore/nxdumptool.git
synced 2024-09-20 05:53:25 +01:00
3afe5caa7a
Other changes: * title: rename TitleFileNameConvention -> TitleNamingConvention. * utils: display Lockpick_RCM's GitHub repository URL if keysLoadKeyset() fails.
375 lines
12 KiB
C
375 lines
12 KiB
C
/*
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* config.c
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*
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* Copyright (c) 2020-2021, 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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#include <json-c/json.h>
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#define JSON_VALIDATE_FIELD(type, name, ...) \
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if (!strcmp(key, #name)) { \
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if (name##_found || !configValidateJson##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 JSON_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 JSON_GETTER(functype, vartype, jsontype, ...) \
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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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struct json_object *obj = configGetJsonObjectByPath(g_configJson, path); \
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if (!obj || !configValidateJson##functype(obj, ##__VA_ARGS__)) break; \
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ret = (vartype)json_object_get_##jsontype(obj); \
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} \
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return ret; \
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}
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#define JSON_SETTER(functype, vartype, jsontype, ...) \
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void configSet##functype(const char *path, vartype value) { \
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SCOPED_LOCK(&g_configMutex) { \
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struct json_object *obj = configGetJsonObjectByPath(g_configJson, path); \
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if (!obj || !configValidateJson##functype(obj, ##__VA_ARGS__)) break; \
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if (json_object_set_##jsontype(obj, value)) { \
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configWriteConfigJson(); \
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} else { \
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LOG_MSG("Failed to update \"%s\"!", path); \
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} \
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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 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 void configWriteConfigJson(void);
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static void configFreeConfigJson(void);
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static struct json_object *configGetJsonObjectByPath(const struct json_object *obj, const char *path);
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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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NX_INLINE bool configValidateJsonBoolean(const struct json_object *obj);
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NX_INLINE bool configValidateJsonInteger(const struct json_object *obj, int lower_boundary, int upper_boundary);
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NX_INLINE bool configValidateJsonObject(const struct json_object *obj);
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static void configLogJsonError(void);
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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("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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JSON_GETTER(Boolean, bool, boolean);
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JSON_SETTER(Boolean, bool, boolean);
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JSON_GETTER(Integer, int, int, INT32_MIN, INT32_MAX);
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JSON_SETTER(Integer, int, int, INT32_MIN, INT32_MAX);
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static bool configParseConfigJson(void)
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{
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bool use_default_config = true, ret = false;
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/* Read config JSON. */
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g_configJson = json_object_from_file(CONFIG_PATH);
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if (!g_configJson)
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{
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configLogJsonError();
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goto end;
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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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end:
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if (use_default_config)
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{
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LOG_MSG("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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configLogJsonError();
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}
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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(CONFIG_PATH, g_configJson, JSON_C_TO_STRING_SPACED | JSON_C_TO_STRING_PRETTY) != 0) configLogJsonError();
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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 struct json_object *configGetJsonObjectByPath(const struct json_object *obj, const char *path)
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{
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const struct json_object *parent_obj = obj;
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struct json_object *child_obj = NULL;
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char *path_dup = NULL, *pch = NULL, *state = NULL;
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if (!configValidateJsonObject(obj) || !path || !*path)
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{
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LOG_MSG("Invalid parameters!");
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return NULL;
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}
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/* Duplicate path to avoid problems with strtok_r(). */
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if (!(path_dup = strdup(path)))
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{
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LOG_MSG("Unable to duplicate input path! (\"%s\").", path);
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return NULL;
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}
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pch = strtok_r(path_dup, "/", &state);
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if (!pch)
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{
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LOG_MSG("Failed to tokenize input path! (\"%s\").", path);
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goto end;
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}
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while(pch)
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{
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if (!json_object_object_get_ex(parent_obj, pch, &child_obj))
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{
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LOG_MSG("Failed to retrieve JSON object by key for \"%s\"! (\"%s\").", pch, path);
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break;
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}
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pch = strtok_r(NULL, "/", &state);
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if (pch)
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{
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parent_obj = child_obj;
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child_obj = NULL;
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}
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}
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end:
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if (path_dup) free(path_dup);
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return child_obj;
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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, dump_destination_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 (!configValidateJsonObject(obj)) goto end;
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json_object_object_foreach(obj, key, val)
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{
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JSON_VALIDATE_FIELD(Boolean, overclock);
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JSON_VALIDATE_FIELD(Integer, naming_convention, TitleNamingConvention_Full, TitleNamingConvention_IdAndVersionOnly);
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JSON_VALIDATE_FIELD(Integer, dump_destination, ConfigDumpDestination_SdCard, ConfigDumpDestination_UsbHost);
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JSON_VALIDATE_OBJECT(GameCard, gamecard);
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JSON_VALIDATE_OBJECT(Nsp, nsp);
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JSON_VALIDATE_OBJECT(Ticket, ticket);
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JSON_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 && dump_destination_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, append_key_area_found = false, keep_certificate_found = false, trim_dump_found = false, calculate_checksum_found = false, checksum_lookup_method_found = false;
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if (!configValidateJsonObject(obj)) goto end;
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json_object_object_foreach(obj, key, val)
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{
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JSON_VALIDATE_FIELD(Boolean, append_key_area);
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JSON_VALIDATE_FIELD(Boolean, keep_certificate);
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JSON_VALIDATE_FIELD(Boolean, trim_dump);
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JSON_VALIDATE_FIELD(Boolean, calculate_checksum);
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JSON_VALIDATE_FIELD(Integer, checksum_lookup_method, ConfigChecksumLookupMethod_None, ConfigChecksumLookupMethod_NoIntro);
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goto end;
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}
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ret = (append_key_area_found && keep_certificate_found && trim_dump_found && calculate_checksum_found && checksum_lookup_method_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, replace_acid_key_sig_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, lookup_checksum_found = false;
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if (!configValidateJsonObject(obj)) goto end;
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json_object_object_foreach(obj, key, val)
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{
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JSON_VALIDATE_FIELD(Boolean, set_download_distribution);
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JSON_VALIDATE_FIELD(Boolean, remove_console_data);
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JSON_VALIDATE_FIELD(Boolean, remove_titlekey_crypto);
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JSON_VALIDATE_FIELD(Boolean, replace_acid_key_sig);
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JSON_VALIDATE_FIELD(Boolean, disable_linked_account_requirement);
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JSON_VALIDATE_FIELD(Boolean, enable_screenshots);
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JSON_VALIDATE_FIELD(Boolean, enable_video_capture);
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JSON_VALIDATE_FIELD(Boolean, disable_hdcp);
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JSON_VALIDATE_FIELD(Boolean, lookup_checksum);
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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 && replace_acid_key_sig_found && disable_linked_account_requirement_found && \
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enable_screenshots_found && enable_video_capture_found && disable_hdcp_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 (!configValidateJsonObject(obj)) goto end;
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json_object_object_foreach(obj, key, val)
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{
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JSON_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, use_layeredfs_dir_found = false;
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if (!configValidateJsonObject(obj)) goto end;
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json_object_object_foreach(obj, key, val)
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{
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JSON_VALIDATE_FIELD(Boolean, use_layeredfs_dir);
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goto end;
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}
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ret = use_layeredfs_dir_found;
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end:
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return ret;
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}
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NX_INLINE bool configValidateJsonBoolean(const struct json_object *obj)
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{
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return (obj != NULL && json_object_is_type(obj, json_type_boolean));
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}
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NX_INLINE bool configValidateJsonInteger(const struct json_object *obj, int lower_boundary, int upper_boundary)
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{
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if (!obj || !json_object_is_type(obj, json_type_int) || lower_boundary > upper_boundary) return false;
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int val = json_object_get_int(obj);
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return (val >= lower_boundary && val <= upper_boundary);
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}
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NX_INLINE bool configValidateJsonObject(const struct json_object *obj)
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{
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return (obj != NULL && json_object_is_type(obj, json_type_object) && json_object_object_length(obj) > 0);
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}
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static void configLogJsonError(void)
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{
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size_t str_len = 0;
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char *str = (char*)json_util_get_last_err(); /* Drop the const. */
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if (!str || !(str_len = strlen(str))) return;
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/* Remove line breaks. */
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if (str[str_len - 1] == '\n') str[--str_len] = '\0';
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if (str[str_len - 1] == '\r') str[--str_len] = '\0';
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/* Log error message. */
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LOG_MSG("%s", str);
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}
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