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/*
* Credential Management APIs
*
* Copyright 2007 Robert Shearman for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "wincred.h"
#include "winternl.h"
#include "crypt.h"
#include "wine/unicode.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(cred);
/* the size of the ARC4 key used to encrypt the password data */
#define KEY_SIZE 8
static const WCHAR wszCredentialManagerKey[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e','\\',
'C','r','e','d','e','n','t','i','a','l',' ','M','a','n','a','g','e','r',0};
static const WCHAR wszEncryptionKeyValue[] = {'E','n','c','r','y','p','t','i','o','n','K','e','y',0};
static const WCHAR wszFlagsValue[] = {'F','l','a','g','s',0};
static const WCHAR wszTypeValue[] = {'T','y','p','e',0};
static const WCHAR wszTargetNameValue[] = {'T','a','r','g','e','t','N','a','m','e',0};
static const WCHAR wszCommentValue[] = {'C','o','m','m','e','n','t',0};
static const WCHAR wszLastWrittenValue[] = {'L','a','s','t','W','r','i','t','t','e','n',0};
static const WCHAR wszPersistValue[] = {'P','e','r','s','i','s','t',0};
static const WCHAR wszTargetAliasValue[] = {'T','a','r','g','e','t','A','l','i','a','s',0};
static const WCHAR wszUserNameValue[] = {'U','s','e','r','N','a','m','e',0};
static const WCHAR wszPasswordValue[] = {'P','a','s','s','w','o','r','d',0};
static DWORD read_credential_blob(HKEY hkey, const BYTE key_data[KEY_SIZE],
LPBYTE credential_blob,
DWORD *credential_blob_size)
{
DWORD ret;
DWORD type;
*credential_blob_size = 0;
ret = RegQueryValueExW(hkey, wszPasswordValue, 0, &type, NULL, credential_blob_size);
if (ret != ERROR_SUCCESS)
return ret;
else if (type != REG_BINARY)
return ERROR_REGISTRY_CORRUPT;
if (credential_blob)
{
struct ustring data;
struct ustring key;
ret = RegQueryValueExW(hkey, wszPasswordValue, 0, &type, (LPVOID)credential_blob,
credential_blob_size);
if (ret != ERROR_SUCCESS)
return ret;
else if (type != REG_BINARY)
return ERROR_REGISTRY_CORRUPT;
key.Length = key.MaximumLength = sizeof(key_data);
key.Buffer = (unsigned char *)key_data;
data.Length = data.MaximumLength = *credential_blob_size;
data.Buffer = credential_blob;
SystemFunction032(&data, &key);
}
return ERROR_SUCCESS;
}
static DWORD read_credential(HKEY hkey, PCREDENTIALW credential,
const BYTE key_data[KEY_SIZE], char *buffer, DWORD *len)
{
DWORD type;
DWORD ret;
DWORD count;
ret = RegQueryValueExW(hkey, NULL, 0, &type, NULL, &count);
if (ret != ERROR_SUCCESS)
return ret;
else if (type != REG_SZ)
return ERROR_REGISTRY_CORRUPT;
*len += count;
if (credential)
{
credential->TargetName = (LPWSTR)buffer;
ret = RegQueryValueExW(hkey, NULL, 0, &type, (LPVOID)credential->TargetName,
&count);
if (ret != ERROR_SUCCESS || type != REG_SZ) return ret;
buffer += count;
}
ret = RegQueryValueExW(hkey, wszCommentValue, 0, &type, NULL, &count);
if (ret != ERROR_FILE_NOT_FOUND && ret != ERROR_SUCCESS)
return ret;
else if (type != REG_SZ)
return ERROR_REGISTRY_CORRUPT;
*len += count;
if (credential)
{
credential->Comment = (LPWSTR)buffer;
ret = RegQueryValueExW(hkey, wszCommentValue, 0, &type, (LPVOID)credential->Comment,
&count);
if (ret == ERROR_FILE_NOT_FOUND)
credential->Comment = NULL;
else if (ret != ERROR_SUCCESS)
return ret;
else if (type != REG_SZ)
return ERROR_REGISTRY_CORRUPT;
else
buffer += count;
}
ret = RegQueryValueExW(hkey, wszTargetAliasValue, 0, &type, NULL, &count);
if (ret != ERROR_FILE_NOT_FOUND && ret != ERROR_SUCCESS)
return ret;
else if (type != REG_SZ)
return ERROR_REGISTRY_CORRUPT;
*len += count;
if (credential)
{
credential->TargetAlias = (LPWSTR)buffer;
ret = RegQueryValueExW(hkey, wszTargetAliasValue, 0, &type, (LPVOID)credential->TargetAlias,
&count);
if (ret == ERROR_FILE_NOT_FOUND)
credential->TargetAlias = NULL;
else if (ret != ERROR_SUCCESS)
return ret;
else if (type != REG_SZ)
return ERROR_REGISTRY_CORRUPT;
else
buffer += count;
}
ret = RegQueryValueExW(hkey, wszUserNameValue, 0, &type, NULL, &count);
if (ret != ERROR_FILE_NOT_FOUND && ret != ERROR_SUCCESS)
return ret;
else if (type != REG_SZ)
return ERROR_REGISTRY_CORRUPT;
*len += count;
if (credential)
{
credential->UserName = (LPWSTR)buffer;
ret = RegQueryValueExW(hkey, wszUserNameValue, 0, &type, (LPVOID)credential->UserName,
&count);
if (ret == ERROR_FILE_NOT_FOUND)
{
credential->UserName = NULL;
ret = ERROR_SUCCESS;
}
else if (ret != ERROR_SUCCESS)
return ret;
else if (type != REG_SZ)
return ERROR_REGISTRY_CORRUPT;
else
buffer += count;
}
ret = read_credential_blob(hkey, key_data, NULL, &count);
if (ret != ERROR_FILE_NOT_FOUND && ret != ERROR_SUCCESS)
return ret;
*len += count;
if (credential)
{
credential->CredentialBlob = (LPBYTE)buffer;
ret = read_credential_blob(hkey, key_data, credential->CredentialBlob, &count);
if (ret == ERROR_FILE_NOT_FOUND)
{
credential->CredentialBlob = NULL;
ret = ERROR_SUCCESS;
}
else if (ret != ERROR_SUCCESS)
return ret;
credential->CredentialBlobSize = count;
buffer += count;
}
/* FIXME: Attributes */
if (credential)
{
credential->AttributeCount = 0;
credential->Attributes = NULL;
}
if (!credential) return ERROR_SUCCESS;
count = sizeof(credential->Flags);
ret = RegQueryValueExW(hkey, wszFlagsValue, NULL, &type, (LPVOID)&credential->Flags,
&count);
if (ret != ERROR_SUCCESS)
return ret;
else if (type != REG_DWORD)
return ERROR_REGISTRY_CORRUPT;
count = sizeof(credential->Type);
ret = RegQueryValueExW(hkey, wszTypeValue, NULL, &type, (LPVOID)&credential->Type,
&count);
if (ret != ERROR_SUCCESS)
return ret;
else if (type != REG_DWORD)
return ERROR_REGISTRY_CORRUPT;
count = sizeof(credential->LastWritten);
ret = RegQueryValueExW(hkey, wszLastWrittenValue, NULL, &type, (LPVOID)&credential->LastWritten,
&count);
if (ret != ERROR_SUCCESS)
return ret;
else if (type != REG_BINARY)
return ERROR_REGISTRY_CORRUPT;
count = sizeof(credential->Persist);
ret = RegQueryValueExW(hkey, wszPersistValue, NULL, &type, (LPVOID)&credential->Persist,
&count);
if (ret == ERROR_SUCCESS && type != REG_DWORD)
return ERROR_REGISTRY_CORRUPT;
return ret;
}
static DWORD write_credential_blob(HKEY hkey, LPCWSTR target_name, DWORD type,
const BYTE key_data[KEY_SIZE],
const BYTE *credential_blob, DWORD credential_blob_size)
{
LPBYTE encrypted_credential_blob;
struct ustring data;
struct ustring key;
DWORD ret;
key.Length = key.MaximumLength = sizeof(key_data);
key.Buffer = (unsigned char *)key_data;
encrypted_credential_blob = HeapAlloc(GetProcessHeap(), 0, credential_blob_size);
if (!encrypted_credential_blob) return ERROR_OUTOFMEMORY;
memcpy(encrypted_credential_blob, credential_blob, credential_blob_size);
data.Length = data.MaximumLength = credential_blob_size;
data.Buffer = encrypted_credential_blob;
SystemFunction032(&data, &key);
ret = RegSetValueExW(hkey, wszPasswordValue, 0, REG_BINARY, (LPVOID)encrypted_credential_blob, credential_blob_size);
HeapFree(GetProcessHeap(), 0, encrypted_credential_blob);
return ret;
}
static DWORD write_credential(HKEY hkey, const CREDENTIALW *credential,
const BYTE key_data[KEY_SIZE], BOOL preserve_blob)
{
DWORD ret;
FILETIME LastWritten;
GetSystemTimeAsFileTime(&LastWritten);
ret = RegSetValueExW(hkey, wszFlagsValue, 0, REG_DWORD, (LPVOID)&credential->Flags,
sizeof(credential->Flags));
if (ret != ERROR_SUCCESS) return ret;
ret = RegSetValueExW(hkey, wszTypeValue, 0, REG_DWORD, (LPVOID)&credential->Type,
sizeof(credential->Type));
if (ret != ERROR_SUCCESS) return ret;
ret = RegSetValueExW(hkey, NULL, 0, REG_SZ, (LPVOID)credential->TargetName,
sizeof(WCHAR)*(strlenW(credential->TargetName)+1));
if (ret != ERROR_SUCCESS) return ret;
if (credential->Comment)
{
ret = RegSetValueExW(hkey, wszCommentValue, 0, REG_SZ, (LPVOID)credential->Comment,
sizeof(WCHAR)*(strlenW(credential->Comment)+1));
if (ret != ERROR_SUCCESS) return ret;
}
ret = RegSetValueExW(hkey, wszLastWrittenValue, 0, REG_BINARY, (LPVOID)&LastWritten,
sizeof(LastWritten));
if (ret != ERROR_SUCCESS) return ret;
ret = RegSetValueExW(hkey, wszPersistValue, 0, REG_DWORD, (LPVOID)&credential->Persist,
sizeof(credential->Persist));
if (ret != ERROR_SUCCESS) return ret;
/* FIXME: Attributes */
if (credential->TargetAlias)
{
ret = RegSetValueExW(hkey, wszTargetAliasValue, 0, REG_SZ, (LPVOID)credential->TargetAlias,
sizeof(WCHAR)*(strlenW(credential->TargetAlias)+1));
if (ret != ERROR_SUCCESS) return ret;
}
if (credential->UserName)
{
ret = RegSetValueExW(hkey, wszUserNameValue, 0, REG_SZ, (LPVOID)credential->UserName,
sizeof(WCHAR)*(strlenW(credential->UserName)+1));
if (ret != ERROR_SUCCESS) return ret;
}
if (!preserve_blob)
{
ret = write_credential_blob(hkey, credential->TargetName, credential->Type,
key_data, credential->CredentialBlob,
credential->CredentialBlobSize);
}
return ret;
}
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);
}
static DWORD get_cred_mgr_encryption_key(HKEY hkeyMgr, BYTE key_data[KEY_SIZE])
{
static const BYTE my_key_data[KEY_SIZE] = { 0 };
DWORD type;
DWORD count;
FILETIME ft;
ULONG seed;
ULONG value;
DWORD ret;
memcpy(key_data, my_key_data, KEY_SIZE);
count = KEY_SIZE;
ret = RegQueryValueExW(hkeyMgr, wszEncryptionKeyValue, NULL, &type, (LPVOID)key_data,
&count);
if (ret == ERROR_SUCCESS)
{
if (type != REG_BINARY)
return ERROR_REGISTRY_CORRUPT;
else
return ERROR_SUCCESS;
}
if (ret != ERROR_FILE_NOT_FOUND)
return ret;
GetSystemTimeAsFileTime(&ft);
seed = ft.dwLowDateTime;
value = RtlUniform(&seed);
*(DWORD *)key_data = value;
seed = ft.dwHighDateTime;
value = RtlUniform(&seed);
*(DWORD *)(key_data + 4) = value;
return RegSetValueExW(hkeyMgr, wszEncryptionKeyValue, 0, REG_BINARY,
(LPVOID)key_data, KEY_SIZE);
}
static LPWSTR get_key_name_for_target(LPCWSTR target_name, DWORD type)
{
static const WCHAR wszGenericPrefix[] = {'G','e','n','e','r','i','c',':',' ',0};
static const WCHAR wszDomPasswdPrefix[] = {'D','o','m','P','a','s','s','w','d',':',' ',0};
INT len;
LPCWSTR prefix = NULL;
LPWSTR key_name, p;
len = strlenW(target_name);
if (type == CRED_TYPE_GENERIC)
{
prefix = wszGenericPrefix;
len += sizeof(wszGenericPrefix)/sizeof(wszGenericPrefix[0]);
}
else
{
prefix = wszDomPasswdPrefix;
len += sizeof(wszDomPasswdPrefix)/sizeof(wszDomPasswdPrefix[0]);
}
key_name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!key_name) return NULL;
strcpyW(key_name, prefix);
strcatW(key_name, target_name);
for (p = key_name; *p; p++)
if (*p == '\\') *p = '_';
return key_name;
}
static void convert_PCREDENTIALW_to_PCREDENTIALA(const CREDENTIALW *CredentialW, PCREDENTIALA CredentialA, DWORD *len)
{
char *buffer = (char *)CredentialA + sizeof(CREDENTIALA);
INT string_len;
*len += sizeof(CREDENTIALA);
if (!CredentialA)
{
if (CredentialW->TargetName) *len += WideCharToMultiByte(CP_ACP, 0, CredentialW->TargetName, -1, NULL, 0, NULL, NULL);
if (CredentialW->Comment) *len += WideCharToMultiByte(CP_ACP, 0, CredentialW->Comment, -1, NULL, 0, NULL, NULL);
*len += CredentialW->CredentialBlobSize;
if (CredentialW->TargetAlias) *len += WideCharToMultiByte(CP_ACP, 0, CredentialW->TargetAlias, -1, NULL, 0, NULL, NULL);
if (CredentialW->UserName) *len += WideCharToMultiByte(CP_ACP, 0, CredentialW->UserName, -1, NULL, 0, NULL, NULL);
return;
}
CredentialA->Flags = CredentialW->Flags;
CredentialA->Type = CredentialW->Type;
if (CredentialW->TargetName)
{
CredentialA->TargetName = (LPSTR)buffer;
string_len = WideCharToMultiByte(CP_ACP, 0, CredentialW->TargetName, -1, CredentialA->TargetName, -1, NULL, NULL);
buffer += string_len;
*len += string_len;
}
else
CredentialA->TargetName = NULL;
if (CredentialW->Comment)
{
CredentialA->Comment = (LPSTR)buffer;
string_len = WideCharToMultiByte(CP_ACP, 0, CredentialW->Comment, -1, CredentialA->Comment, -1, NULL, NULL);
buffer += string_len;
*len += string_len;
}
else
CredentialA->Comment = NULL;
CredentialA->LastWritten = CredentialW->LastWritten;
CredentialA->CredentialBlobSize = CredentialW->CredentialBlobSize;
if (CredentialW->CredentialBlobSize)
{
CredentialA->CredentialBlob =(LPBYTE)buffer;
memcpy(CredentialA->CredentialBlob, CredentialW->CredentialBlob,
CredentialW->CredentialBlobSize);
buffer += CredentialW->CredentialBlobSize;
*len += CredentialW->CredentialBlobSize;
}
else
CredentialA->CredentialBlob = NULL;
CredentialA->Persist = CredentialW->Persist;
CredentialA->AttributeCount = 0;
CredentialA->Attributes = NULL; /* FIXME */
if (CredentialW->TargetAlias)
{
CredentialA->TargetAlias = (LPSTR)buffer;
string_len = WideCharToMultiByte(CP_ACP, 0, CredentialW->TargetAlias, -1, CredentialA->TargetAlias, -1, NULL, NULL);
buffer += string_len;
*len += string_len;
}
else
CredentialA->TargetAlias = NULL;
if (CredentialW->UserName)
{
CredentialA->UserName = (LPSTR)buffer;
string_len = WideCharToMultiByte(CP_ACP, 0, CredentialW->UserName, -1, CredentialA->UserName, -1, NULL, NULL);
buffer += string_len;
*len += string_len;
}
else
CredentialA->UserName = NULL;
}
static void convert_PCREDENTIALA_to_PCREDENTIALW(const CREDENTIALA *CredentialA, PCREDENTIALW CredentialW, DWORD *len)
{
char *buffer = (char *)CredentialW + sizeof(CREDENTIALW);
INT string_len;
*len += sizeof(CREDENTIALW);
if (!CredentialW)
{
if (CredentialA->TargetName) *len += sizeof(WCHAR) * MultiByteToWideChar(CP_ACP, 0, CredentialA->TargetName, -1, NULL, 0);
if (CredentialA->Comment) *len += sizeof(WCHAR) * MultiByteToWideChar(CP_ACP, 0, CredentialA->Comment, -1, NULL, 0);
*len += CredentialA->CredentialBlobSize;
if (CredentialA->TargetAlias) *len += sizeof(WCHAR) * MultiByteToWideChar(CP_ACP, 0, CredentialA->TargetAlias, -1, NULL, 0);
if (CredentialA->UserName) *len += sizeof(WCHAR) * MultiByteToWideChar(CP_ACP, 0, CredentialA->UserName, -1, NULL, 0);
return;
}
CredentialW->Flags = CredentialA->Flags;
CredentialW->Type = CredentialA->Type;
if (CredentialA->TargetName)
{
CredentialW->TargetName = (LPWSTR)buffer;
string_len = MultiByteToWideChar(CP_ACP, 0, CredentialA->TargetName, -1, CredentialW->TargetName, -1);
buffer += sizeof(WCHAR) * string_len;
*len += sizeof(WCHAR) * string_len;
}
else
CredentialW->TargetName = NULL;
if (CredentialA->Comment)
{
CredentialW->Comment = (LPWSTR)buffer;
string_len = MultiByteToWideChar(CP_ACP, 0, CredentialA->Comment, -1, CredentialW->Comment, -1);
buffer += sizeof(WCHAR) * string_len;
*len += sizeof(WCHAR) * string_len;
}
else
CredentialW->Comment = NULL;
CredentialW->LastWritten = CredentialA->LastWritten;
CredentialW->CredentialBlobSize = CredentialA->CredentialBlobSize;
if (CredentialA->CredentialBlobSize)
{
CredentialW->CredentialBlob =(LPBYTE)buffer;
memcpy(CredentialW->CredentialBlob, CredentialA->CredentialBlob,
CredentialA->CredentialBlobSize);
buffer += CredentialA->CredentialBlobSize;
*len += CredentialA->CredentialBlobSize;
}
else
CredentialW->CredentialBlob = NULL;
CredentialW->Persist = CredentialA->Persist;
CredentialW->AttributeCount = 0;
CredentialW->Attributes = NULL; /* FIXME */
if (CredentialA->TargetAlias)
{
CredentialW->TargetAlias = (LPWSTR)buffer;
string_len = MultiByteToWideChar(CP_ACP, 0, CredentialA->TargetAlias, -1, CredentialW->TargetAlias, -1);
buffer += sizeof(WCHAR) * string_len;
*len += sizeof(WCHAR) * string_len;
}
else
CredentialW->TargetAlias = NULL;
if (CredentialA->UserName)
{
CredentialW->UserName = (LPWSTR)buffer;
string_len = MultiByteToWideChar(CP_ACP, 0, CredentialA->UserName, -1, CredentialW->UserName, -1);
buffer += sizeof(WCHAR) * string_len;
*len += sizeof(WCHAR) * string_len;
}
else
CredentialW->UserName = NULL;
}
/******************************************************************************
* CredDeleteA [ADVAPI32.@]
*/
BOOL WINAPI CredDeleteA(LPCSTR TargetName, DWORD Type, DWORD Flags)
{
LPWSTR TargetNameW;
DWORD len;
BOOL ret;
TRACE("(%s, %d, 0x%x)\n", debugstr_a(TargetName), Type, Flags);
if (!TargetName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
len = MultiByteToWideChar(CP_ACP, 0, TargetName, -1, NULL, 0);
TargetNameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!TargetNameW)
{
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
MultiByteToWideChar(CP_ACP, 0, TargetName, -1, TargetNameW, len);
ret = CredDeleteW(TargetNameW, Type, Flags);
HeapFree(GetProcessHeap(), 0, TargetNameW);
return ret;
}
/******************************************************************************
* CredDeleteW [ADVAPI32.@]
*/
BOOL WINAPI CredDeleteW(LPCWSTR TargetName, DWORD Type, DWORD Flags)
{
HKEY hkeyMgr;
DWORD ret;
LPWSTR key_name;
TRACE("(%s, %d, 0x%x)\n", debugstr_w(TargetName), Type, Flags);
if (!TargetName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (Type != CRED_TYPE_GENERIC && Type != CRED_TYPE_DOMAIN_PASSWORD)
{
FIXME("unhandled type %d\n", Type);
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (Flags)
{
FIXME("unhandled flags 0x%x\n", Flags);
SetLastError(ERROR_INVALID_FLAGS);
return FALSE;
}
ret = open_cred_mgr_key(&hkeyMgr, TRUE);
if (ret != ERROR_SUCCESS)
{
WARN("couldn't open/create manager key, error %d\n", ret);
SetLastError(ERROR_NO_SUCH_LOGON_SESSION);
return FALSE;
}
key_name = get_key_name_for_target(TargetName, Type);
ret = RegDeleteKeyW(hkeyMgr, key_name);
HeapFree(GetProcessHeap(), 0, key_name);
RegCloseKey(hkeyMgr);
if (ret != ERROR_SUCCESS)
{
SetLastError(ERROR_NOT_FOUND);
return FALSE;
}
return TRUE;
}
/******************************************************************************
* CredEnumerateA [ADVAPI32.@]
*/
BOOL WINAPI CredEnumerateA(LPCSTR Filter, DWORD Flags, DWORD *Count,
PCREDENTIALA **Credentials)
{
LPWSTR FilterW;
PCREDENTIALW *CredentialsW;
DWORD i;
DWORD len;
char *buffer;
TRACE("(%s, 0x%x, %p, %p)\n", debugstr_a(Filter), Flags, Count, Credentials);
if (Filter)
{
len = MultiByteToWideChar(CP_ACP, 0, Filter, -1, NULL, 0);
FilterW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!FilterW)
{
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
MultiByteToWideChar(CP_ACP, 0, Filter, -1, FilterW, len);
}
else
FilterW = NULL;
if (!CredEnumerateW(FilterW, Flags, Count, &CredentialsW))
{
HeapFree(GetProcessHeap(), 0, FilterW);
return FALSE;
}
HeapFree(GetProcessHeap(), 0, FilterW);
len = *Count * sizeof(PCREDENTIALA);
for (i = 0; i < *Count; i++)
convert_PCREDENTIALW_to_PCREDENTIALA(CredentialsW[i], NULL, &len);
*Credentials = HeapAlloc(GetProcessHeap(), 0, len);
if (!*Credentials)
{
CredFree(CredentialsW);
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
buffer = (char *)&(*Credentials)[*Count];
for (i = 0; i < *Count; i++)
{
len = 0;
(*Credentials)[i] = (PCREDENTIALA)buffer;
convert_PCREDENTIALW_to_PCREDENTIALA(CredentialsW[i], (*Credentials)[i], &len);
buffer += len;
}
CredFree(CredentialsW);
return TRUE;
}
static BOOL credential_matches_filter(HKEY hkeyCred, LPCWSTR filter)
{
LPWSTR target_name;
DWORD ret;
DWORD type;
DWORD count;
LPCWSTR p;
if (!filter) return TRUE;
ret = RegQueryValueExW(hkeyCred, NULL, 0, &type, NULL, &count);
if (ret != ERROR_SUCCESS)
return FALSE;
else if (type != REG_SZ)
return FALSE;
target_name = HeapAlloc(GetProcessHeap(), 0, count);
if (!target_name)
return FALSE;
ret = RegQueryValueExW(hkeyCred, NULL, 0, &type, (LPVOID)target_name, &count);
if (ret != ERROR_SUCCESS || type != REG_SZ)
{
HeapFree(GetProcessHeap(), 0, target_name);
return FALSE;
}
TRACE("comparing filter %s to target name %s\n", debugstr_w(filter),
debugstr_w(target_name));
p = strchrW(filter, '*');
ret = CompareStringW(GetThreadLocale(), 0, filter,
(p && !p[1] ? p - filter : -1), target_name,
(p && !p[1] ? p - filter : -1)) == CSTR_EQUAL;
HeapFree(GetProcessHeap(), 0, target_name);
return ret;
}
/******************************************************************************
* CredEnumerateW [ADVAPI32.@]
*/
BOOL WINAPI CredEnumerateW(LPCWSTR Filter, DWORD Flags, DWORD *Count,
PCREDENTIALW **Credentials)
{
HKEY hkeyMgr;
HKEY hkeyCred;
DWORD ret;
LPWSTR target_name;
DWORD target_name_len;
DWORD len;
char *buffer;
DWORD i;
BYTE key_data[KEY_SIZE];
TRACE("(%s, 0x%x, %p, %p)\n", debugstr_w(Filter), Flags, Count, Credentials);
if (Flags)
{
SetLastError(ERROR_INVALID_FLAGS);
return FALSE;
}
ret = open_cred_mgr_key(&hkeyMgr, FALSE);
if (ret != ERROR_SUCCESS)
{
WARN("couldn't open/create manager key, error %d\n", ret);
SetLastError(ERROR_NO_SUCH_LOGON_SESSION);
return FALSE;
}
ret = get_cred_mgr_encryption_key(hkeyMgr, key_data);
if (ret != ERROR_SUCCESS)
{
RegCloseKey(hkeyMgr);
SetLastError(ret);
return FALSE;
}
ret = RegQueryInfoKeyW(hkeyMgr, NULL, NULL, NULL, NULL, &target_name_len, NULL, NULL, NULL, NULL, NULL, NULL);
if (ret != ERROR_SUCCESS)
{
RegCloseKey(hkeyMgr);
SetLastError(ret);
return FALSE;
}
target_name = HeapAlloc(GetProcessHeap(), 0, (target_name_len+1)*sizeof(WCHAR));
if (!target_name)
{
RegCloseKey(hkeyMgr);
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
*Count = 0;
len = 0;
for (i = 0;; i++)
{
ret = RegEnumKeyW(hkeyMgr, i, target_name, target_name_len+1);
if (ret == ERROR_NO_MORE_ITEMS)
{
ret = ERROR_SUCCESS;
break;
}
else if (ret != ERROR_SUCCESS)
{
ret = ERROR_SUCCESS;
continue;
}
ret = RegOpenKeyExW(hkeyMgr, target_name, 0, KEY_QUERY_VALUE, &hkeyCred);
if (ret != ERROR_SUCCESS)
{
ret = ERROR_SUCCESS;
continue;
}
if (!credential_matches_filter(hkeyCred, Filter))
{
RegCloseKey(hkeyCred);
continue;
}
len += sizeof(CREDENTIALW);
ret = read_credential(hkeyCred, NULL, key_data, NULL, &len);
RegCloseKey(hkeyCred);
if (ret != ERROR_SUCCESS) break;
(*Count)++;
}
if (ret == ERROR_SUCCESS && *Count == 0)
ret = ERROR_NOT_FOUND;
if (ret != ERROR_SUCCESS)
{
HeapFree(GetProcessHeap(), 0, target_name);
RegCloseKey(hkeyMgr);
SetLastError(ret);
return FALSE;
}
len += *Count + sizeof(PCREDENTIALW);
if (ret == ERROR_SUCCESS)
{
buffer = HeapAlloc(GetProcessHeap(), 0, len);
*Credentials = (PCREDENTIALW *)buffer;
if (buffer)
{
buffer += *Count * sizeof(PCREDENTIALW);
*Count = 0;
for (i = 0;; i++)
{
ret = RegEnumKeyW(hkeyMgr, i, target_name, target_name_len+1);
if (ret == ERROR_NO_MORE_ITEMS)
{
ret = ERROR_SUCCESS;
break;
}
else if (ret != ERROR_SUCCESS)
{
ret = ERROR_SUCCESS;
continue;
}
TRACE("target_name = %s\n", debugstr_w(target_name));
ret = RegOpenKeyExW(hkeyMgr, target_name, 0, KEY_QUERY_VALUE, &hkeyCred);
if (ret != ERROR_SUCCESS)
{
ret = ERROR_SUCCESS;
continue;
}
if (!credential_matches_filter(hkeyCred, Filter))
{
RegCloseKey(hkeyCred);
continue;
}
len = sizeof(CREDENTIALW);
(*Credentials)[*Count] = (PCREDENTIALW)buffer;
ret = read_credential(hkeyCred, (*Credentials)[*Count],
key_data,
buffer + sizeof(CREDENTIALW), &len);
RegCloseKey(hkeyCred);
if (ret != ERROR_SUCCESS) break;
buffer += len;
(*Count)++;
}
}
else
ret = ERROR_OUTOFMEMORY;
}
HeapFree(GetProcessHeap(), 0, target_name);
RegCloseKey(hkeyMgr);
if (ret != ERROR_SUCCESS)
{
SetLastError(ret);
return FALSE;
}
return TRUE;
}
/******************************************************************************
* CredFree [ADVAPI32.@]
*/
VOID WINAPI CredFree(PVOID Buffer)
{
HeapFree(GetProcessHeap(), 0, Buffer);
}
/******************************************************************************
* CredReadA [ADVAPI32.@]
*/
BOOL WINAPI CredReadA(LPCSTR TargetName, DWORD Type, DWORD Flags, PCREDENTIALA *Credential)
{
LPWSTR TargetNameW;
PCREDENTIALW CredentialW;
DWORD len;
TRACE("(%s, %d, 0x%x, %p)\n", debugstr_a(TargetName), Type, Flags, Credential);
if (!TargetName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
len = MultiByteToWideChar(CP_ACP, 0, TargetName, -1, NULL, 0);
TargetNameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!TargetNameW)
{
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
MultiByteToWideChar(CP_ACP, 0, TargetName, -1, TargetNameW, len);
if (!CredReadW(TargetNameW, Type, Flags, &CredentialW))
{
HeapFree(GetProcessHeap(), 0, TargetNameW);
return FALSE;
}
HeapFree(GetProcessHeap(), 0, TargetNameW);
len = 0;
convert_PCREDENTIALW_to_PCREDENTIALA(CredentialW, NULL, &len);
*Credential = HeapAlloc(GetProcessHeap(), 0, len);
if (!*Credential)
{
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
len = 0;
convert_PCREDENTIALW_to_PCREDENTIALA(CredentialW, *Credential, &len);
CredFree(CredentialW);
return TRUE;
}
/******************************************************************************
* CredReadW [ADVAPI32.@]
*/
BOOL WINAPI CredReadW(LPCWSTR TargetName, DWORD Type, DWORD Flags, PCREDENTIALW *Credential)
{
HKEY hkeyMgr;
HKEY hkeyCred;
DWORD ret;
LPWSTR key_name;
DWORD len;
BYTE key_data[KEY_SIZE];
TRACE("(%s, %d, 0x%x, %p)\n", debugstr_w(TargetName), Type, Flags, Credential);
if (!TargetName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (Type != CRED_TYPE_GENERIC && Type != CRED_TYPE_DOMAIN_PASSWORD)
{
FIXME("unhandled type %d\n", Type);
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (Flags)
{
FIXME("unhandled flags 0x%x\n", Flags);
SetLastError(ERROR_INVALID_FLAGS);
return FALSE;
}
ret = open_cred_mgr_key(&hkeyMgr, FALSE);
if (ret != ERROR_SUCCESS)
{
WARN("couldn't open/create manager key, error %d\n", ret);
SetLastError(ERROR_NO_SUCH_LOGON_SESSION);
return FALSE;
}
ret = get_cred_mgr_encryption_key(hkeyMgr, key_data);
if (ret != ERROR_SUCCESS)
{
RegCloseKey(hkeyMgr);
SetLastError(ret);
return FALSE;
}
key_name = get_key_name_for_target(TargetName, Type);
ret = RegOpenKeyExW(hkeyMgr, key_name, 0, KEY_QUERY_VALUE, &hkeyCred);
HeapFree(GetProcessHeap(), 0, key_name);
if (ret != ERROR_SUCCESS)
{
TRACE("credentials for target name %s not found\n", debugstr_w(TargetName));
SetLastError(ERROR_NOT_FOUND);
return FALSE;
}
len = sizeof(**Credential);
ret = read_credential(hkeyCred, NULL, key_data, NULL, &len);
if (ret == ERROR_SUCCESS)
{
*Credential = HeapAlloc(GetProcessHeap(), 0, len);
if (*Credential)
{
len = sizeof(**Credential);
ret = read_credential(hkeyCred, *Credential, key_data,
(char *)(*Credential + 1), &len);
}
else
ret = ERROR_OUTOFMEMORY;
}
RegCloseKey(hkeyCred);
RegCloseKey(hkeyMgr);
if (ret != ERROR_SUCCESS)
{
SetLastError(ret);
return FALSE;
}
return TRUE;
}
/******************************************************************************
* CredWriteA [ADVAPI32.@]
*/
BOOL WINAPI CredWriteA(PCREDENTIALA Credential, DWORD Flags)
{
BOOL ret;
DWORD len;
PCREDENTIALW CredentialW;
TRACE("(%p, 0x%x)\n", Credential, Flags);
if (!Credential || !Credential->TargetName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
len = 0;
convert_PCREDENTIALA_to_PCREDENTIALW(Credential, NULL, &len);
CredentialW = HeapAlloc(GetProcessHeap(), 0, len);
if (!CredentialW)
{
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
len = 0;
convert_PCREDENTIALA_to_PCREDENTIALW(Credential, CredentialW, &len);
ret = CredWriteW(CredentialW, Flags);
HeapFree(GetProcessHeap(), 0, CredentialW);
return ret;
}
/******************************************************************************
* CredWriteW [ADVAPI32.@]
*/
BOOL WINAPI CredWriteW(PCREDENTIALW Credential, DWORD Flags)
{
HKEY hkeyMgr;
HKEY hkeyCred;
DWORD ret;
LPWSTR key_name;
BYTE key_data[KEY_SIZE];
TRACE("(%p, 0x%x)\n", Credential, Flags);
if (!Credential || !Credential->TargetName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (Flags & ~CRED_PRESERVE_CREDENTIAL_BLOB)
{
FIXME("unhandled flags 0x%x\n", Flags);
SetLastError(ERROR_INVALID_FLAGS);
return FALSE;
}
if (Credential->Type != CRED_TYPE_GENERIC && Credential->Type != CRED_TYPE_DOMAIN_PASSWORD)
{
FIXME("unhandled type %d\n", Credential->Type);
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
TRACE("Credential->TargetName = %s\n", debugstr_w(Credential->TargetName));
TRACE("Credential->UserName = %s\n", debugstr_w(Credential->UserName));
if (Credential->Type == CRED_TYPE_DOMAIN_PASSWORD)
{
if (!Credential->UserName ||
(!strchrW(Credential->UserName, '\\') && !strchrW(Credential->UserName, '@')))
{
ERR("bad username %s\n", debugstr_w(Credential->UserName));
SetLastError(ERROR_BAD_USERNAME);
return FALSE;
}
}
ret = open_cred_mgr_key(&hkeyMgr, FALSE);
if (ret != ERROR_SUCCESS)
{
WARN("couldn't open/create manager key, error %d\n", ret);
SetLastError(ERROR_NO_SUCH_LOGON_SESSION);
return FALSE;
}
ret = get_cred_mgr_encryption_key(hkeyMgr, key_data);
if (ret != ERROR_SUCCESS)
{
RegCloseKey(hkeyMgr);
SetLastError(ret);
return FALSE;
}
key_name = get_key_name_for_target(Credential->TargetName, Credential->Type);
ret = RegCreateKeyExW(hkeyMgr, key_name, 0, NULL, REG_OPTION_VOLATILE,
KEY_READ|KEY_WRITE, NULL, &hkeyCred, NULL);
HeapFree(GetProcessHeap(), 0, key_name);
if (ret != ERROR_SUCCESS)
{
TRACE("credentials for target name %s not found\n",
debugstr_w(Credential->TargetName));
SetLastError(ERROR_NOT_FOUND);
return FALSE;
}
ret = write_credential(hkeyCred, Credential, key_data,
Flags & CRED_PRESERVE_CREDENTIAL_BLOB);
RegCloseKey(hkeyCred);
RegCloseKey(hkeyMgr);
if (ret != ERROR_SUCCESS)
{
SetLastError(ret);
return FALSE;
}
return TRUE;
}
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