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mdbx-windows: fix mdbx_RegGetValue() for Windows 2000/XP.

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Change-Id: I436a254300fcba8dbf75ea7568c2bf0c963fe060
This commit is contained in:
Leonid Yuriev
2020-10-08 00:45:31 +03:00
parent e8fecd1eec
commit 9b64b95bbc
4 changed files with 42 additions and 22 deletions
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53
src/osal.c
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@@ -1916,22 +1916,33 @@ static uint64_t windows_bootime(void) {
return 0;
}
static LSTATUS mdbx_RegGetValue(HKEY hkey, LPCSTR lpSubKey, LPCSTR lpValue,
DWORD dwFlags, LPDWORD pdwType, PVOID pvData,
LPDWORD pcbData) {
LSTATUS rc =
RegGetValueA(hkey, lpSubKey, lpValue, dwFlags, pdwType, pvData, pcbData);
static LSTATUS mdbx_RegGetValue(HKEY hKey, LPCSTR lpSubKey, LPCSTR lpValue,
PVOID pvData, LPDWORD pcbData) {
LSTATUS rc;
if (!mdbx_RegGetValueA) {
/* an old Windows 2000/XP */
HKEY hSubKey;
rc = RegOpenKeyA(hKey, lpSubKey, &hSubKey);
if (rc == ERROR_SUCCESS) {
rc = RegQueryValueExA(hSubKey, lpValue, NULL, NULL, pvData, pcbData);
RegCloseKey(hSubKey);
}
return rc;
}
rc = mdbx_RegGetValueA(hKey, lpSubKey, lpValue, RRF_RT_ANY, NULL, pvData,
pcbData);
if (rc != ERROR_FILE_NOT_FOUND)
return rc;
rc = RegGetValueA(hkey, lpSubKey, lpValue,
dwFlags | 0x00010000 /* RRF_SUBKEY_WOW6464KEY */, pdwType,
pvData, pcbData);
rc = mdbx_RegGetValueA(hKey, lpSubKey, lpValue,
RRF_RT_ANY | 0x00010000 /* RRF_SUBKEY_WOW6464KEY */,
NULL, pvData, pcbData);
if (rc != ERROR_FILE_NOT_FOUND)
return rc;
return RegGetValueA(hkey, lpSubKey, lpValue,
dwFlags | 0x00020000 /* RRF_SUBKEY_WOW6432KEY */, pdwType,
pvData, pcbData);
return mdbx_RegGetValueA(hKey, lpSubKey, lpValue,
RRF_RT_ANY | 0x00020000 /* RRF_SUBKEY_WOW6432KEY */,
NULL, pvData, pcbData);
}
#endif
@@ -2049,7 +2060,7 @@ __cold MDBX_INTERNAL_FUNC bin128_t mdbx_osal_bootid(void) {
DWORD len = sizeof(buf);
/* Windows is madness and must die */
if (mdbx_RegGetValue(HKEY_LOCAL_MACHINE, HKLM_MicrosoftCryptography,
"MachineGuid", RRF_RT_ANY, NULL, &buf.MachineGuid,
"MachineGuid", &buf.MachineGuid,
&len) == ERROR_SUCCESS &&
len > 42 && len < sizeof(buf))
got_machineid = bootid_parse_uuid(&bin, &buf.MachineGuid, len);
@@ -2067,24 +2078,24 @@ __cold MDBX_INTERNAL_FUNC bin128_t mdbx_osal_bootid(void) {
len = sizeof(buf);
if (mdbx_RegGetValue(HKEY_LOCAL_MACHINE, HKLM_WindowsNT,
"DigitalProductId", RRF_RT_ANY, NULL,
&buf.DigitalProductId, &len) == ERROR_SUCCESS &&
"DigitalProductId", &buf.DigitalProductId,
&len) == ERROR_SUCCESS &&
len > 42 && len < sizeof(buf)) {
bootid_collect(&bin, &buf.DigitalProductId, len);
got_machineid = true;
}
len = sizeof(buf);
if (mdbx_RegGetValue(HKEY_LOCAL_MACHINE, HKLM_WindowsNT_DPK,
"DigitalProductId", RRF_RT_ANY, NULL,
&buf.DigitalProductId, &len) == ERROR_SUCCESS &&
"DigitalProductId", &buf.DigitalProductId,
&len) == ERROR_SUCCESS &&
len > 42 && len < sizeof(buf)) {
bootid_collect(&bin, &buf.DigitalProductId, len);
got_machineid = true;
}
len = sizeof(buf);
if (mdbx_RegGetValue(HKEY_LOCAL_MACHINE, HKLM_WindowsNT_DPK2,
"DigitalProductId", RRF_RT_ANY, NULL,
&buf.DigitalProductId, &len) == ERROR_SUCCESS &&
"DigitalProductId", &buf.DigitalProductId,
&len) == ERROR_SUCCESS &&
len > 42 && len < sizeof(buf)) {
bootid_collect(&bin, &buf.DigitalProductId, len);
got_machineid = true;
@@ -2096,8 +2107,7 @@ __cold MDBX_INTERNAL_FUNC bin128_t mdbx_osal_bootid(void) {
"Management\\PrefetchParameters";
len = sizeof(buf);
if (mdbx_RegGetValue(HKEY_LOCAL_MACHINE, HKLM_PrefetcherParams, "BootId",
RRF_RT_DWORD, NULL, &buf.BootId,
&len) == ERROR_SUCCESS &&
&buf.BootId, &len) == ERROR_SUCCESS &&
len > 1 && len < sizeof(buf)) {
bootid_collect(&bin, &buf.BootId, len);
got_bootseq = true;
@@ -2105,8 +2115,7 @@ __cold MDBX_INTERNAL_FUNC bin128_t mdbx_osal_bootid(void) {
len = sizeof(buf);
if (mdbx_RegGetValue(HKEY_LOCAL_MACHINE, HKLM_PrefetcherParams, "BaseTime",
RRF_RT_DWORD, NULL, &buf.BaseTime,
&len) == ERROR_SUCCESS &&
&buf.BaseTime, &len) == ERROR_SUCCESS &&
len >= sizeof(buf.BaseTime) && buf.BaseTime) {
bootid_collect(&bin, &buf.BaseTime, len);
got_boottime = true;