mirror of
https://github.com/hax4dazy/TinWoo.git
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141 lines
4.0 KiB
C
141 lines
4.0 KiB
C
/*
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* usbhsfs_utils.c
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*
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* Copyright (c) 2020-2023, DarkMatterCore <pabloacurielz@gmail.com>.
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*
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* This file is part of libusbhsfs (https://github.com/DarkMatterCore/libusbhsfs).
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*/
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#include "usbhsfs_utils.h"
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/* Global variables. */
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static u32 g_atmosphereVersion = 0;
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static Mutex g_atmosphereVersionMutex = 0;
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/* Atmosphère-related constants. */
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static const u32 g_smAtmosphereHasService = 65100;
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static const SplConfigItem SplConfigItem_ExosphereApiVersion = (SplConfigItem)65000;
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static const u32 g_atmosphereTipcVersion = MAKEHOSVERSION(0, 19, 0);
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/* Function prototypes. */
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static bool usbHsFsUtilsCheckRunningServiceByName(const char *name);
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static Result usbHsFsUtilsAtmosphereHasService(bool *out, SmServiceName name);
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static Result usbHsFsUtilsGetExosphereApiVersion(u32 *out);
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void usbHsFsUtilsTrimString(char *str)
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{
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size_t strsize = 0;
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char *start = NULL, *end = NULL;
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if (!str || !(strsize = strlen(str))) return;
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start = str;
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end = (start + strsize);
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while(--end >= start)
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{
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if (!isspace((unsigned char)*end)) break;
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}
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*(++end) = '\0';
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while(isspace((unsigned char)*start)) start++;
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if (start != str) memmove(str, start, end - start + 1);
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}
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bool usbHsFsUtilsIsFspUsbRunning(void)
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{
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return usbHsFsUtilsCheckRunningServiceByName("fsp-usb");
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}
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bool usbHsFsUtilsSXOSCustomFirmwareCheck(void)
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{
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return (usbHsFsUtilsCheckRunningServiceByName("tx") && !usbHsFsUtilsCheckRunningServiceByName("rnx"));
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}
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static bool usbHsFsUtilsCheckRunningServiceByName(const char *name)
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{
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if (!name || !*name)
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{
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USBHSFS_LOG_MSG("Invalid parameters!");
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return false;
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}
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bool ret = false;
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SCOPED_LOCK(&g_atmosphereVersionMutex)
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{
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Result rc = usbHsFsUtilsAtmosphereHasService(&ret, smEncodeName(name));
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if (R_FAILED(rc)) USBHSFS_LOG_MSG("usbHsFsUtilsAtmosphereHasService failed for \"%s\"! (0x%08X).", name, rc);
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}
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return ret;
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}
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/* SM API extension available in Atmosphère and Atmosphère-based CFWs. */
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static Result usbHsFsUtilsAtmosphereHasService(bool *out, SmServiceName name)
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{
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if (!out || !name.name[0]) return MAKERESULT(Module_Libnx, LibnxError_BadInput);
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u8 tmp = 0;
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Result rc = 0;
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/* Get Exosphère API version. */
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if (!g_atmosphereVersion)
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{
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rc = usbHsFsUtilsGetExosphereApiVersion(&g_atmosphereVersion);
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if (R_FAILED(rc)) USBHSFS_LOG_MSG("usbHsFsUtilsGetExosphereApiVersion failed! (0x%08X).", rc);
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}
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/* Check if service is running. */
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/* Dispatch IPC request using CMIF or TIPC serialization depending on our current environment. */
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if (hosversionAtLeast(12, 0, 0) || g_atmosphereVersion >= g_atmosphereTipcVersion)
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{
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rc = tipcDispatchInOut(smGetServiceSessionTipc(), g_smAtmosphereHasService, name, tmp);
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} else {
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rc = serviceDispatchInOut(smGetServiceSession(), g_smAtmosphereHasService, name, tmp);
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}
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if (R_SUCCEEDED(rc)) *out = (tmp != 0);
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return rc;
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}
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/* SMC config item available in Atmosphère and Atmosphère-based CFWs. */
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static Result usbHsFsUtilsGetExosphereApiVersion(u32 *out)
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{
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if (!out) return MAKERESULT(Module_Libnx, LibnxError_BadInput);
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Result rc = 0;
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u64 cfg = 0;
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u32 version = 0;
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/* Initialize spl service. */
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rc = splInitialize();
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if (R_FAILED(rc))
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{
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USBHSFS_LOG_MSG("splInitialize failed! (0x%08X).", rc);
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return rc;
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}
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/* Get Exosphère API version config item. */
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rc = splGetConfig(SplConfigItem_ExosphereApiVersion, &cfg);
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/* Close spl service. */
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splExit();
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if (R_SUCCEEDED(rc))
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{
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*out = version = (u32)((cfg >> 40) & 0xFFFFFF);
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USBHSFS_LOG_MSG("Exosphère API version: %u.%u.%u.", HOSVER_MAJOR(version), HOSVER_MINOR(version), HOSVER_MICRO(version));
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} else {
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USBHSFS_LOG_MSG("splGetConfig failed! (0x%08X).", rc);
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}
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return rc;
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}
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