base/applications/rapps/installed.cpp

   1 /*
   2  * PROJECT:     ReactOS Applications Manager
   3  * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
   4  * FILE:        base/applications/rapps/installed.cpp
   5  * PURPOSE:     Functions for working with installed applications
   6  * COPYRIGHT:   Copyright 2009 Dmitry Chapyshev         (dmitry@reactos.org)
   7  *              Copyright 2017 Alexander Shaposhnikov   (sanchaez@reactos.org)
   8  */
   9 #include "rapps.h"
  10
  11 #include "installed.h"
  12
  13 #include "gui.h"
  14 #include "misc.h"
  15
  16 BOOL INSTALLED_INFO::GetApplicationString(LPCWSTR lpKeyName, ATL::CStringW& String)
  17 {
  18     BOOL result = ::GetApplicationString(hSubKey, lpKeyName, String.GetBuffer(MAX_PATH));
  19     String.ReleaseBuffer();
  20     return result;
  21 }
  22
  23 BOOL GetApplicationString(HKEY hKey, LPCWSTR lpKeyName, LPWSTR szString)
  24 {
  25     DWORD dwSize = MAX_PATH * sizeof(WCHAR);
  26
  27     if (RegQueryValueExW(hKey,
  28                          lpKeyName,
  29                          NULL,
  30                          NULL,
  31                          (LPBYTE) szString,
  32                          &dwSize) == ERROR_SUCCESS)
  33     {
  34         return TRUE;
  35     }
  36
  37     StringCchCopyW(szString, MAX_PATH, L"---");
  38     return FALSE;
  39 }
  40
  41 BOOL UninstallApplication(INT Index, BOOL bModify)
  42 {
  43     LPCWSTR szModify = L"ModifyPath";
  44     LPCWSTR szUninstall = L"UninstallString";
  45     WCHAR szPath[MAX_PATH];
  46     WCHAR szAppName[MAX_STR_LEN];
  47     DWORD dwType, dwSize;
  48     INT ItemIndex;
  49     LVITEMW Item;
  50     HKEY hKey;
  51     PINSTALLED_INFO ItemInfo;
  52
  53     if (!IsInstalledEnum(SelectedEnumType))
  54         return FALSE;
  55
  56     if (Index == -1)
  57     {
  58         ItemIndex = (INT) SendMessageW(hListView, LVM_GETNEXTITEM, -1, LVNI_FOCUSED);
  59         if (ItemIndex == -1)
  60             return FALSE;
  61     }
  62     else
  63     {
  64         ItemIndex = Index;
  65     }
  66
  67     ListView_GetItemText(hListView, ItemIndex, 0, szAppName, _countof(szAppName));
  68     WriteLogMessage(EVENTLOG_SUCCESS, MSG_SUCCESS_REMOVE, szAppName);
  69
  70     ZeroMemory(&Item, sizeof(Item));
  71
  72     Item.mask = LVIF_PARAM;
  73     Item.iItem = ItemIndex;
  74     if (!ListView_GetItem(hListView, &Item))
  75         return FALSE;
  76
  77     ItemInfo = (PINSTALLED_INFO) Item.lParam;
  78     hKey = ItemInfo->hSubKey;
  79
  80     dwType = REG_SZ;
  81     dwSize = MAX_PATH * sizeof(WCHAR);
  82     if (RegQueryValueExW(hKey,
  83                          bModify ? szModify : szUninstall,
  84                          NULL,
  85                          &dwType,
  86                          (LPBYTE) szPath,
  87                          &dwSize) != ERROR_SUCCESS)
  88     {
  89         return FALSE;
  90     }
  91
  92     return StartProcess(szPath, TRUE);
  93 }
  94
  95 VOID RemoveAppFromRegistry(INT Index)
  96 {
  97     PINSTALLED_INFO Info;
  98     WCHAR szFullName[MAX_PATH] = L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\";
  99     ATL::CStringW szMsgText, szMsgTitle;
 100     INT ItemIndex = SendMessageW(hListView, LVM_GETNEXTITEM, -1, LVNI_FOCUSED);
 101
 102     if (!IsInstalledEnum(SelectedEnumType))
 103         return;
 104
 105     Info = (PINSTALLED_INFO) ListViewGetlParam(Index);
 106     if (!Info || !Info->hSubKey || (ItemIndex == -1)) return;
 107
 108     if (!szMsgText.LoadStringW(IDS_APP_REG_REMOVE) ||
 109         !szMsgTitle.LoadStringW(IDS_INFORMATION))
 110         return;
 111
 112     if (MessageBoxW(hMainWnd, szMsgText, szMsgTitle, MB_YESNO | MB_ICONQUESTION) == IDYES)
 113     {
 114         ATL::CStringW::CopyChars(szFullName,
 115                                  MAX_PATH,
 116                                  Info->szKeyName.GetString(),
 117                                  MAX_PATH - wcslen(szFullName));
 118
 119         if (RegDeleteKeyW(Info->hRootKey, szFullName) == ERROR_SUCCESS)
 120         {
 121             ListView_DeleteItem(hListView, ItemIndex);
 122             return;
 123         }
 124
 125         if (!szMsgText.LoadStringW(IDS_UNABLE_TO_REMOVE))
 126             return;
 127
 128         MessageBoxW(hMainWnd, szMsgText.GetString(), NULL, MB_OK | MB_ICONERROR);
 129     }
 130 }
 131
 132 BOOL EnumInstalledApplications(INT EnumType, BOOL IsUserKey, APPENUMPROC lpEnumProc, PVOID param)
 133 {
 134     DWORD dwSize = MAX_PATH, dwType, dwValue;
 135     BOOL bIsSystemComponent, bIsUpdate;
 136     ATL::CStringW szParentKeyName;
 137     ATL::CStringW szDisplayName;
 138     INSTALLED_INFO Info;
 139     HKEY hKey;
 140     LONG ItemIndex = 0;
 141
 142     Info.hRootKey = IsUserKey ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE;
 143
 144     if (RegOpenKeyW(Info.hRootKey,
 145                     L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall",
 146                     &hKey) != ERROR_SUCCESS)
 147     {
 148         return FALSE;
 149     }
 150
 151     while (RegEnumKeyExW(hKey, ItemIndex, Info.szKeyName.GetBuffer(MAX_PATH), &dwSize, NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
 152     {
 153         Info.szKeyName.ReleaseBuffer();
 154         if (RegOpenKeyW(hKey, Info.szKeyName.GetString(), &Info.hSubKey) == ERROR_SUCCESS)
 155         {
 156             dwType = REG_DWORD;
 157             dwSize = sizeof(DWORD);
 158
 159             if (RegQueryValueExW(Info.hSubKey,
 160                                  L"SystemComponent",
 161                                  NULL,
 162                                  &dwType,
 163                                  (LPBYTE) &dwValue,
 164                                  &dwSize) == ERROR_SUCCESS)
 165             {
 166                 bIsSystemComponent = (dwValue == 0x1);
 167             }
 168             else
 169             {
 170                 bIsSystemComponent = FALSE;
 171             }
 172
 173             dwType = REG_SZ;
 174             dwSize = MAX_PATH * sizeof(WCHAR);
 175             bIsUpdate = (RegQueryValueExW(Info.hSubKey,
 176                                           L"ParentKeyName",
 177                                           NULL,
 178                                           &dwType,
 179                                           (LPBYTE) szParentKeyName.GetBuffer(MAX_PATH),
 180                                           &dwSize) == ERROR_SUCCESS);
 181             szParentKeyName.ReleaseBuffer();
 182
 183             dwType = REG_SZ;
 184             dwSize = MAX_PATH * sizeof(WCHAR);
 185             if (RegQueryValueExW(Info.hSubKey,
 186                                  L"DisplayName",
 187                                  NULL,
 188                                  &dwType,
 189                                  (LPBYTE) szDisplayName.GetBuffer(MAX_PATH),
 190                                  &dwSize) == ERROR_SUCCESS)
 191             {
 192                 szDisplayName.ReleaseBuffer();
 193                 if (EnumType < ENUM_ALL_INSTALLED || EnumType > ENUM_UPDATES)
 194                     EnumType = ENUM_ALL_INSTALLED;
 195
 196                 if (!bIsSystemComponent)
 197                 {
 198                     if ((EnumType == ENUM_ALL_INSTALLED) || /* All components */
 199                         ((EnumType == ENUM_INSTALLED_APPLICATIONS) && (!bIsUpdate)) || /* Applications only */
 200                         ((EnumType == ENUM_UPDATES) && (bIsUpdate))) /* Updates only */
 201                     {
 202                         if (!lpEnumProc(ItemIndex, szDisplayName, &Info, param))
 203                             break;
 204                     }
 205                     else
 206                     {
 207                         RegCloseKey(Info.hSubKey);
 208                     }
 209                 }
 210                 else
 211                 {
 212                     RegCloseKey(Info.hSubKey);
 213                 }
 214             }
 215             else
 216             {
 217                 szDisplayName.ReleaseBuffer();
 218                 RegCloseKey(Info.hSubKey);
 219             }
 220         }
 221
 222         dwSize = MAX_PATH;
 223         ItemIndex++;
 224     }
 225
 226     Info.szKeyName.ReleaseBuffer();
 227     RegCloseKey(hKey);
 228
 229     return TRUE;
 230 }