Improved detection of AdoptOpenJDK and Liberica OpenJDK installations.

This commit is contained in:
LoRd_MuldeR 2020-10-02 19:02:11 +02:00
parent 1606859dff
commit fed4bb7ff7

View File

@ -509,17 +509,50 @@ static DWORD get_registry_view(const BOOL view_64bit)
#endif
}
static BOOL reg_key_exists(const HKEY root_key, const wchar_t *const path, const BOOL view_64bit)
{
HKEY key = NULL;
if (RegOpenKeyEx(root_key, path, 0U, KEY_QUERY_VALUE | get_registry_view(view_64bit), &key) == ERROR_SUCCESS)
{
RegCloseKey(key);
return TRUE;
}
return FALSE;
}
static DWORD reg_read_dword(const HKEY root_key, const wchar_t *const path, const wchar_t *const name, const BOOL view_64bit, const DWORD error_value)
{
HKEY key = NULL;
if (RegOpenKeyEx(root_key, path, 0U, KEY_QUERY_VALUE | get_registry_view(view_64bit), &key) != ERROR_SUCCESS)
{
return FALSE;
}
DWORD value = 0U, type = 0U, size = sizeof(DWORD);
LSTATUS status = RegQueryValueExW(key, name, NULL, &type, (LPBYTE)&value, &size);
if ((status != ERROR_SUCCESS) || (size != sizeof(DWORD)) || ((type != REG_DWORD) && (type != REG_DWORD_BIG_ENDIAN)))
{
RegCloseKey(key);
return error_value;
}
RegCloseKey(key);
return value;
}
static wchar_t *reg_read_string(const HKEY root_key, const wchar_t *const path, const wchar_t *const name, const BOOL view_64bit)
{
HKEY key = NULL;
if(RegOpenKeyEx(root_key, path, 0U, KEY_QUERY_VALUE | get_registry_view(view_64bit), &key) != ERROR_SUCCESS)
if (RegOpenKeyEx(root_key, path, 0U, KEY_QUERY_VALUE | get_registry_view(view_64bit), &key) != ERROR_SUCCESS)
{
return FALSE;
}
DWORD buffer_len = MAX_PATH;
BYTE *buffer = (BYTE*) malloc(sizeof(wchar_t) * buffer_len);
if(!buffer)
if (!buffer)
{
RegCloseKey(key);
return NULL;
@ -564,18 +597,6 @@ static wchar_t *reg_read_string(const HKEY root_key, const wchar_t *const path,
return (wchar_t*) buffer;
}
static DWORD reg_read_string_uint32(const HKEY root_key, const wchar_t *const path, const wchar_t *const name, const BOOL view_64bit)
{
DWORD value = 0;
const wchar_t *const string = reg_read_string(root_key, path, name, view_64bit);
if(NOT_EMPTY(string))
{
value = wcstoul(string, NULL, 10);
}
free((void*)string);
return value;
}
static BOOL reg_enum_subkeys(const HKEY root_key, const wchar_t *const path, const BOOL view_64bit, const reg_enum_callback_t callback, const ULONG_PTR user_data)
{
HKEY key = NULL;
@ -810,52 +831,52 @@ static ULONGLONG parse_java_version(const wchar_t *const version_str)
static DWORD detect_java_runtime_verify(const wchar_t **const executable_path_out, const HKEY root_key, const wchar_t *const full_reg_path, const BOOL reg_view_64bit)
{
static const wchar_t *const REL_PATHS[] =
{
L"%s\\jre\\bin\\javaw.exe", L"%s\\bin\\javaw.exe", NULL
};
static const wchar_t *const JAVA_REG_NAMES[] = { L"JavaHome", L"Path", L"InstallationPath", NULL };
static const wchar_t *const JAVA_EXE_PATHS[] = { L"%s\\jre\\bin\\javaw.exe", L"%s\\bin\\javaw.exe", NULL };
*executable_path_out = NULL;
DWORD result = 0U;
wchar_t *const java_home_path = reg_read_string(root_key, full_reg_path, L"JavaHome", reg_view_64bit);
trim_trailing_separator(wcstrim(java_home_path));
if (NOT_EMPTY(java_home_path))
for (size_t i = 0U; JAVA_REG_NAMES[i] && (!result); ++i)
{
for (size_t i = 0U; REL_PATHS[i]; ++i)
wchar_t *const java_home_path = reg_read_string(root_key, full_reg_path, JAVA_REG_NAMES[i], reg_view_64bit);
if(java_home_path)
{
const wchar_t *const javaw_executable_path = aswprintf(REL_PATHS[i], java_home_path);
if (javaw_executable_path)
trim_trailing_separator(wcstrim(java_home_path));
if (NOT_EMPTY(java_home_path))
{
const wchar_t *const absolute_executable_path = get_absolute_path(javaw_executable_path);
if (absolute_executable_path)
for (size_t j = 0U; JAVA_EXE_PATHS[j] && (!result); ++j)
{
const DWORD bitness = file_is_executable(absolute_executable_path);
if (bitness > 0U)
const wchar_t *const javaw_executable_path = aswprintf(JAVA_EXE_PATHS[j], java_home_path);
if (javaw_executable_path)
{
*executable_path_out = absolute_executable_path;
result = bitness;
}
else
{
free((void*)absolute_executable_path);
const wchar_t *const absolute_executable_path = get_absolute_path(javaw_executable_path);
if (absolute_executable_path)
{
const DWORD bitness = file_is_executable(absolute_executable_path);
if (bitness > 0U)
{
MessageBoxW(NULL, full_reg_path, L"Accepted!", MB_SYSTEMMODAL);
*executable_path_out = absolute_executable_path;
result = bitness;
}
else
{
free((void*)absolute_executable_path);
}
}
free((void*)javaw_executable_path);
}
}
free((void*)javaw_executable_path);
}
if(result > 0U)
{
break; /*found executable*/
}
free(java_home_path);
}
}
free(java_home_path);
return result;
}
static BOOL detect_java_runtime_callback(const wchar_t *const key_name, const ULONG_PTR user_data)
static BOOL detect_java_runtime_scan_javasoft(const wchar_t *const key_name, const ULONG_PTR user_data)
{
java_home_t *const context_ptr = (java_home_t*) user_data;
ULONGLONG version = parse_java_version(key_name);
@ -887,28 +908,116 @@ static BOOL detect_java_runtime_callback(const wchar_t *const key_name, const UL
return TRUE;
}
static BOOL detect_java_runtime_scan_adoptjdk(const wchar_t *const key_name, const ULONG_PTR user_data)
{
static const wchar_t *const JVM_NATURE[] = { L"hotspot", L"openj9", NULL };
java_home_t *const context_ptr = (java_home_t*) user_data;
ULONGLONG version = parse_java_version(key_name);
if ((version >= context_ptr->required.ver_min) && (version < context_ptr->required.ver_max) && (version > context_ptr->result.version))
{
for (size_t i = 0; JVM_NATURE[i]; ++i)
{
const wchar_t *const full_reg_path = aswprintf(L"%s\\%s\\%s\\MSI", context_ptr->registry.base_path, key_name, JVM_NATURE[i]);
if (full_reg_path)
{
if (reg_key_exists(context_ptr->registry.root_key, full_reg_path, context_ptr->registry.view_64bit))
{
const wchar_t *java_runtime_path;
const DWORD bitness = detect_java_runtime_verify(&java_runtime_path, context_ptr->registry.root_key, full_reg_path, context_ptr->registry.view_64bit);
if (bitness > 0U)
{
if (((context_ptr->required.bitness == 0U) || (bitness == context_ptr->required.bitness)) && (bitness >= context_ptr->result.bitness))
{
context_ptr->result.bitness = bitness;
context_ptr->result.version = version;
SET_STRING(context_ptr->result.runtime_path, java_runtime_path);
}
else
{
free((void*)java_runtime_path);
}
}
}
free((void*)full_reg_path);
}
}
}
return TRUE;
}
static BOOL detect_java_runtime_scan_liberica(const wchar_t *const key_name, const ULONG_PTR user_data)
{
java_home_t *const context_ptr = (java_home_t*) user_data;
const wchar_t *const full_reg_path = aswprintf(L"%s\\%s", context_ptr->registry.base_path, key_name);
if (full_reg_path)
{
const DWORD value_major = reg_read_dword(context_ptr->registry.root_key, full_reg_path, L"MajorVersion", context_ptr->registry.view_64bit, 0U);
const DWORD value_minor = reg_read_dword(context_ptr->registry.root_key, full_reg_path, L"MinorVersion", context_ptr->registry.view_64bit, 0U);
const DWORD value_build = reg_read_dword(context_ptr->registry.root_key, full_reg_path, L"BuildNumber", context_ptr->registry.view_64bit, 0U);
const ULONGLONG version = (((ULONGLONG)(value_major & 0xFFFF)) << 48) | (((ULONGLONG)(value_major & 0xFFFF)) << 16) | ((ULONGLONG)(value_build & 0xFFFF));
if ((version >= context_ptr->required.ver_min) && (version < context_ptr->required.ver_max) && (version > context_ptr->result.version))
{
const wchar_t *java_runtime_path;
const DWORD bitness = detect_java_runtime_verify(&java_runtime_path, context_ptr->registry.root_key, full_reg_path, context_ptr->registry.view_64bit);
if (bitness > 0U)
{
if (((context_ptr->required.bitness == 0U) || (bitness == context_ptr->required.bitness)) && (bitness >= context_ptr->result.bitness))
{
context_ptr->result.bitness = bitness;
context_ptr->result.version = version;
SET_STRING(context_ptr->result.runtime_path, java_runtime_path);
}
else
{
free((void*)java_runtime_path);
}
}
}
free((void*)full_reg_path);
}
return TRUE;
}
static const wchar_t *detect_java_runtime_loop(const BOOL reg_view_64bit, const DWORD required_bitness, const ULONGLONG required_ver_min, const ULONGLONG required_ver_max)
{
static const wchar_t *const REG_KEY_PATHS[] =
typedef struct { INT32 mode; const wchar_t *path; } reg_key_t;
static const reg_key_t REG_KEYS[] =
{
L"SOFTWARE\\JavaSoft\\Java Runtime Environment", L"SOFTWARE\\JavaSoft\\JRE",
L"SOFTWARE\\JavaSoft\\Java Development Kit", L"SOFTWARE\\JavaSoft\\JDK",
NULL /*EOL*/
{ 1, L"SOFTWARE\\JavaSoft\\Java Runtime Environment" }, { 1, L"SOFTWARE\\JavaSoft\\JRE" }, { 2, L"SOFTWARE\\AdoptOpenJDK\\JRE" },
{ 1, L"SOFTWARE\\JavaSoft\\Java Development Kit" }, { 1, L"SOFTWARE\\JavaSoft\\JDK" }, { 2, L"SOFTWARE\\AdoptOpenJDK\\JDK" },
{ 3, L"SOFTWARE\\BellSoft\\Liberica"},
{ 0, NULL }
};
const wchar_t *runtime_path = NULL;
DWORD bitness = 0U;
ULONGLONG version = 0U;
for (size_t i = 0; REG_KEY_PATHS[i]; ++i)
for (size_t i = 0; REG_KEYS[i].mode && REG_KEYS[i].path; ++i)
{
java_home_t search_state =
{
{ required_bitness, required_ver_min, required_ver_max },
{ HKEY_LOCAL_MACHINE, REG_KEY_PATHS[i], reg_view_64bit },
{ HKEY_LOCAL_MACHINE, REG_KEYS[i].path, reg_view_64bit },
{ bitness, version, NULL }
};
reg_enum_subkeys(HKEY_LOCAL_MACHINE, REG_KEY_PATHS[i], reg_view_64bit, detect_java_runtime_callback, (ULONG_PTR)&search_state);
switch(REG_KEYS->mode)
{
case 1:
reg_enum_subkeys(HKEY_LOCAL_MACHINE, REG_KEYS[i].path, reg_view_64bit, detect_java_runtime_scan_javasoft, (ULONG_PTR)&search_state);
break;
case 2:
reg_enum_subkeys(HKEY_LOCAL_MACHINE, REG_KEYS[i].path, reg_view_64bit, detect_java_runtime_scan_adoptjdk, (ULONG_PTR)&search_state);
break;
case 3:
reg_enum_subkeys(HKEY_LOCAL_MACHINE, REG_KEYS[i].path, reg_view_64bit, detect_java_runtime_scan_liberica, (ULONG_PTR)&search_state);
break;
}
if(search_state.result.runtime_path)
{
bitness = search_state.result.bitness;
@ -1216,7 +1325,6 @@ static void show_jre_download_notice(const HINSTANCE hinstance, const HWND hwnd,
if (result == IDOK)
{
ShellExecuteW(hwnd, NULL, jre_download_ptr, NULL, NULL, SW_SHOW);
show_message(hwnd, MB_ICONWARNING | MB_OKCANCEL | MB_TOPMOST, title, L"When installing OpenJDK on your machine, please be sure to enable \x201cJavaSoft (Oracle) registry keys\x201d, otherwise we will not be able to find your Java Runtime Environment !!!");
}
}
free(version_str);