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Return UNSUPPORTED_CFW in CheckVersion

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This commit is contained in:
Maschell
2022-08-27 12:59:57 +02:00
parent 2ac50e4392
commit f0df840999
2 changed files with 23 additions and 7 deletions
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22
source/utils.cpp
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@@ -43,6 +43,8 @@ const char *Mocha_GetStatusStr(MochaUtilsStatus status) {
return "MOCHA_RESULT_UNSUPPORTED_API_VERSION";
case MOCHA_RESULT_UNSUPPORTED_COMMAND:
return "MOCHA_RESULT_UNSUPPORTED_COMMAND";
case MOCHA_RESULT_UNSUPPORTED_CFW:
return "MOCHA_RESULT_UNSUPPORTED_CFW";
case MOCHA_RESULT_LIB_UNINITIALIZED:
return "MOCHA_RESULT_LIB_UNINITIALIZED";
case MOCHA_RESULT_UNKNOWN_ERROR:
@@ -101,11 +103,23 @@ MochaUtilsStatus Mocha_CheckAPIVersion(uint32_t *version) {
ALIGN_0x40 uint32_t io_buffer[0x40 / 4];
io_buffer[0] = IPC_CUSTOM_GET_MOCHA_API_VERSION;
if (IOS_Ioctl(mcpFd, 100, io_buffer, 4, io_buffer, 8) == IOS_ERROR_OK && io_buffer[0] == 0xCAFEBABE) {
*version = io_buffer[1];
res = MOCHA_RESULT_SUCCESS;
if (IOS_Ioctl(mcpFd, 100, io_buffer, 4, io_buffer, 8) == IOS_ERROR_OK) {
// IOCTL_100 hook is available
if (io_buffer[0] == 0xCAFEBABE) {
// Updated MochaPayload returns magic word
*version = io_buffer[1];
res = MOCHA_RESULT_SUCCESS;
} else if (io_buffer[0] == 1) {
// Old MochaPayload returns success, but zero as magic word
res = MOCHA_RESULT_UNSUPPORTED_API_VERSION;
} else {
// No known implementations are known to trigger this
res = MOCHA_RESULT_UNSUPPORTED_CFW;
}
} else {
res = MOCHA_RESULT_UNSUPPORTED_API_VERSION;
// If IOCTL_100 hook is not available the call returns -1
// This is the case with old Mocha CFW or no CFW at all
res = MOCHA_RESULT_UNSUPPORTED_CFW;
}
IOS_Close(mcpFd);