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advapi32: Use the open_for_write parameter to open_cred_mgr_key and fix get_cred_mgr_encryption_key to not need KEY_WRITE access to the key passed in.

This commit is contained in:
Rob Shearman 2007-11-28 05:47:57 +00:00 committed by Alexandre Julliard
parent 749a7adaf4
commit c251100685
1 changed files with 14 additions and 3 deletions
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17
dlls/advapi32/cred.c
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@ -624,7 +624,7 @@ static DWORD open_cred_mgr_key(HKEY *hkey, BOOL open_for_write)
{
return RegCreateKeyExW(HKEY_CURRENT_USER, wszCredentialManagerKey, 0,
NULL, REG_OPTION_NON_VOLATILE,
KEY_READ | KEY_WRITE, NULL, hkey, NULL);
KEY_READ | (open_for_write ? KEY_WRITE : 0), NULL, hkey, NULL);
}
static DWORD get_cred_mgr_encryption_key(HKEY hkeyMgr, BYTE key_data[KEY_SIZE])
@ -660,8 +660,19 @@ static DWORD get_cred_mgr_encryption_key(HKEY hkeyMgr, BYTE key_data[KEY_SIZE])
value = RtlUniform(&seed);
*(DWORD *)(key_data + 4) = value;
return RegSetValueExW(hkeyMgr, wszEncryptionKeyValue, 0, REG_BINARY,
(LPVOID)key_data, KEY_SIZE);
ret = RegSetValueExW(hkeyMgr, wszEncryptionKeyValue, 0, REG_BINARY,
(LPVOID)key_data, KEY_SIZE);
if (ret == ERROR_ACCESS_DENIED)
{
ret = open_cred_mgr_key(&hkeyMgr, TRUE);
if (ret == ERROR_SUCCESS)
{
ret = RegSetValueExW(hkeyMgr, wszEncryptionKeyValue, 0, REG_BINARY,
(LPVOID)key_data, KEY_SIZE);
RegCloseKey(hkeyMgr);
}
}
return ret;
}
static LPWSTR get_key_name_for_target(LPCWSTR target_name, DWORD type)