mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 15:16:34 +00:00
304 lines
9 KiB
C++
304 lines
9 KiB
C++
/*
|
|
* Copyright (c) 2018-2019 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <mutex>
|
|
#include <algorithm>
|
|
#include <map>
|
|
#include <string>
|
|
#include <utility>
|
|
#include <switch.h>
|
|
#include <strings.h>
|
|
#include <ctype.h>
|
|
|
|
#include "setsys_settings_items.hpp"
|
|
#include "../utils.hpp"
|
|
#include "../ini.h"
|
|
|
|
struct SettingsItemValue {
|
|
size_t size;
|
|
u8 *data;
|
|
};
|
|
|
|
std::map<std::string, SettingsItemValue> g_settings_items;
|
|
|
|
static bool g_threw_fatal = false;
|
|
static HosThread g_fatal_thread;
|
|
|
|
static void FatalThreadFunc(void *arg) {
|
|
svcSleepThread(5000000000ULL);
|
|
fatalSimple(static_cast<Result>(reinterpret_cast<uintptr_t>(arg)));
|
|
}
|
|
|
|
static bool IsCorrectFormat(const char *str, size_t len) {
|
|
if (len > 0 && str[len - 1] == '.') {
|
|
return false;
|
|
}
|
|
|
|
for (size_t i = 0; i < len; i++) {
|
|
const char c = *(str++);
|
|
|
|
if ('a' <= c && c <= 'z') {
|
|
continue;
|
|
}
|
|
|
|
if ('0' <= c && c <= '9') {
|
|
continue;
|
|
}
|
|
|
|
if (c == '-' || c == '.' || c == '_') {
|
|
continue;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
Result SettingsItemManager::ValidateName(const char *name, size_t max_size) {
|
|
if (name == nullptr) {
|
|
return ResultSettingsItemNameNull;
|
|
}
|
|
|
|
const size_t name_len = strnlen(name, std::min(max_size, MaxNameLength + 1));
|
|
if (name_len == 0) {
|
|
return ResultSettingsItemNameEmpty;
|
|
} else if (name_len > MaxNameLength) {
|
|
return ResultSettingsItemNameTooLong;
|
|
}
|
|
|
|
if (!IsCorrectFormat(name, name_len)) {
|
|
return ResultSettingsItemNameInvalidFormat;
|
|
}
|
|
|
|
return ResultSuccess;
|
|
}
|
|
|
|
Result SettingsItemManager::ValidateName(const char *name) {
|
|
return ValidateName(name, MaxNameLength + 1);
|
|
}
|
|
|
|
Result SettingsItemManager::ValidateKey(const char *key, size_t max_size) {
|
|
if (key == nullptr) {
|
|
return ResultSettingsItemKeyNull;
|
|
}
|
|
|
|
const size_t key_len = strnlen(key, std::min(max_size, MaxKeyLength + 1));
|
|
if (key_len == 0) {
|
|
return ResultSettingsItemKeyEmpty;
|
|
} else if (key_len > MaxKeyLength) {
|
|
return ResultSettingsItemKeyTooLong;
|
|
}
|
|
|
|
if (!IsCorrectFormat(key, key_len)) {
|
|
return ResultSettingsItemKeyInvalidFormat;
|
|
}
|
|
|
|
return ResultSuccess;
|
|
}
|
|
|
|
Result SettingsItemManager::ValidateKey(const char *key) {
|
|
return ValidateKey(key, MaxKeyLength + 1);
|
|
}
|
|
|
|
static bool IsHexadecimal(const char *str) {
|
|
while (*str) {
|
|
if (isxdigit((unsigned char)*str)) {
|
|
str++;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static char hextoi(char c) {
|
|
if ('a' <= c && c <= 'f') return c - 'a' + 0xA;
|
|
if ('A' <= c && c <= 'F') return c - 'A' + 0xA;
|
|
if ('0' <= c && c <= '9') return c - '0';
|
|
return 0;
|
|
}
|
|
|
|
static Result ParseValue(const char *name, const char *key, const char *val_tup) {
|
|
const char *delimiter = strchr(val_tup, '!');
|
|
const char *value_str = delimiter + 1;
|
|
const char *type = val_tup;
|
|
|
|
if (delimiter == NULL) {
|
|
return ResultSettingsItemValueInvalidFormat;
|
|
}
|
|
|
|
while (isspace((unsigned char)*type) && type != delimiter) {
|
|
type++;
|
|
}
|
|
|
|
size_t type_len = delimiter - type;
|
|
size_t value_len = strlen(value_str);
|
|
if (delimiter == NULL || value_len == 0 || type_len == 0) {
|
|
return ResultSettingsItemValueInvalidFormat;
|
|
}
|
|
|
|
std::string kv = std::string(name).append("!").append(key);
|
|
SettingsItemValue value;
|
|
|
|
if (strncasecmp(type, "str", type_len) == 0 || strncasecmp(type, "string", type_len) == 0) {
|
|
/* String */
|
|
value.size = value_len + 1;
|
|
value.data = reinterpret_cast<u8 *>(strdup(value_str));
|
|
if (value.data == nullptr) {
|
|
return ResultSettingsItemValueAllocationFailed;
|
|
}
|
|
} else if (strncasecmp(type, "hex", type_len) == 0 || strncasecmp(type, "bytes", type_len) == 0) {
|
|
/* hex */
|
|
if (value_len % 2 || !IsHexadecimal(value_str)) {
|
|
return ResultSettingsItemValueInvalidFormat;
|
|
}
|
|
value.size = value_len / 2;
|
|
u8 *data = reinterpret_cast<u8 *>(malloc(value.size));
|
|
if (data == nullptr) {
|
|
return ResultSettingsItemValueAllocationFailed;
|
|
}
|
|
|
|
memset(data, 0, value.size);
|
|
for (size_t i = 0; i < value_len; i++) {
|
|
data[i >> 1] |= hextoi(value_str[i]) << (4 * (i & 1));
|
|
}
|
|
|
|
value.data = data;
|
|
} else if (strncasecmp(type, "u8", type_len) == 0) {
|
|
/* u8 */
|
|
value.size = sizeof(u8);
|
|
u8 *data = reinterpret_cast<u8 *>(malloc(value.size));
|
|
if (data == nullptr) {
|
|
return ResultSettingsItemValueAllocationFailed;
|
|
}
|
|
*data = (u8)(strtoul(value_str, nullptr, 0));
|
|
value.data = reinterpret_cast<u8 *>(data);
|
|
} else if (strncasecmp(type, "u16", type_len) == 0) {
|
|
/* u16 */
|
|
value.size = sizeof(u16);
|
|
u16 *data = reinterpret_cast<u16 *>(malloc(value.size));
|
|
if (data == nullptr) {
|
|
return ResultSettingsItemValueAllocationFailed;
|
|
}
|
|
*data = (u16)(strtoul(value_str, nullptr, 0));
|
|
value.data = reinterpret_cast<u8 *>(data);
|
|
} else if (strncasecmp(type, "u32", type_len) == 0) {
|
|
/* u32 */
|
|
value.size = sizeof(u32);
|
|
u32 *data = reinterpret_cast<u32 *>(malloc(value.size));
|
|
if (data == nullptr) {
|
|
return ResultSettingsItemValueAllocationFailed;
|
|
}
|
|
*data = (u32)(strtoul(value_str, nullptr, 0));
|
|
value.data = reinterpret_cast<u8 *>(data);
|
|
} else if (strncasecmp(type, "u64", type_len) == 0) {
|
|
/* u64 */
|
|
value.size = sizeof(u64);
|
|
u64 *data = reinterpret_cast<u64 *>(malloc(value.size));
|
|
if (data == nullptr) {
|
|
return ResultSettingsItemValueAllocationFailed;
|
|
}
|
|
*data = (u64)(strtoul(value_str, nullptr, 0));
|
|
value.data = reinterpret_cast<u8 *>(data);
|
|
} else {
|
|
return ResultSettingsItemValueInvalidFormat;
|
|
}
|
|
|
|
g_settings_items[kv] = value;
|
|
return ResultSuccess;
|
|
}
|
|
|
|
static Result ParseSettingsItemValue(const char *name, const char *key, const char *value) {
|
|
/* Validate name and key, then parse value. */
|
|
R_TRY(SettingsItemManager::ValidateName(name));
|
|
R_TRY(SettingsItemManager::ValidateKey(name));
|
|
R_TRY(ParseValue(name, key, value));
|
|
return ResultSuccess;
|
|
}
|
|
|
|
static int SettingsItemIniHandler(void *user, const char *name, const char *key, const char *value) {
|
|
Result *user_res = reinterpret_cast<Result *>(user);
|
|
|
|
/* Stop parsing after we fail to parse a value. */
|
|
if (R_FAILED(*user_res)) {
|
|
return 0;
|
|
}
|
|
|
|
*user_res = ParseSettingsItemValue(name, key, value);
|
|
return R_SUCCEEDED(*user_res) ? 1 : 0;
|
|
}
|
|
|
|
static Result LoadConfigurationImpl() {
|
|
/* Open file. */
|
|
FsFile config_file;
|
|
R_TRY(Utils::OpenSdFile("/atmosphere/system_settings.ini", FS_OPEN_READ, &config_file));
|
|
ON_SCOPE_EXIT {
|
|
fsFileClose(&config_file);
|
|
};
|
|
|
|
/* Allocate buffer. */
|
|
std::string config_buf(0xFFFF, '\0');
|
|
|
|
/* Read from file. */
|
|
size_t actual_size;
|
|
R_TRY(fsFileRead(&config_file, 0, config_buf.data(), config_buf.size(), FS_READOPTION_NONE, &actual_size));
|
|
|
|
/* Parse. */
|
|
Result parse_res = ResultSuccess;
|
|
ini_parse_string(config_buf.c_str(), SettingsItemIniHandler, &parse_res);
|
|
return parse_res;
|
|
}
|
|
|
|
void SettingsItemManager::LoadConfiguration() {
|
|
const Result load_res = LoadConfigurationImpl();
|
|
if (R_FAILED(load_res) && !g_threw_fatal) {
|
|
/* Report error if we encountered one. */
|
|
g_threw_fatal = true;
|
|
g_fatal_thread.Initialize(&FatalThreadFunc, reinterpret_cast<void *>(load_res), 0x1000, 49);
|
|
g_fatal_thread.Start();
|
|
}
|
|
}
|
|
|
|
Result SettingsItemManager::GetValueSize(const char *name, const char *key, u64 *out_size) {
|
|
const std::string kv = std::string(name).append("!").append(key);
|
|
|
|
auto it = g_settings_items.find(kv);
|
|
if (it == g_settings_items.end()) {
|
|
return ResultSettingsItemNotFound;
|
|
}
|
|
|
|
*out_size = it->second.size;
|
|
return ResultSuccess;
|
|
}
|
|
|
|
Result SettingsItemManager::GetValue(const char *name, const char *key, void *out, size_t max_size, u64 *out_size) {
|
|
const std::string kv = std::string(name).append("!").append(key);
|
|
|
|
auto it = g_settings_items.find(kv);
|
|
if (it == g_settings_items.end()) {
|
|
return ResultSettingsItemNotFound;
|
|
}
|
|
|
|
size_t copy_size = it->second.size;
|
|
if (max_size < copy_size) {
|
|
copy_size = max_size;
|
|
}
|
|
*out_size = copy_size;
|
|
|
|
memcpy(out, it->second.data, copy_size);
|
|
return ResultSuccess;
|
|
}
|