1 /*
2 * Uninstaller
3 *
4 * Copyright 2000 Andreas Mohr
5 * Copyright 2004 Hannu Valtonen
6 * Copyright 2005 Jonathan Ernst
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 *
22 */
23
24 #include <stdio.h>
25 #include <string.h>
26 #include <windows.h>
27 #include <shlwapi.h>
28 #include "resource.h"
29 #include "regstr.h"
30 #include "wine/debug.h"
31
32 WINE_DEFAULT_DEBUG_CHANNEL(uninstaller);
33
34 extern void WINAPI Control_RunDLL(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow);
35
36 typedef struct {
37 HKEY root;
38 WCHAR *key;
39 WCHAR *descr;
40 WCHAR *command;
41 int active;
42 } uninst_entry;
43 static uninst_entry *entries = NULL;
44 static unsigned int numentries = 0;
45 static int list_need_update = 1;
46 static int oldsel = -1;
47 static WCHAR *sFilter;
48
49 static int FetchUninstallInformation(void);
50 static void UninstallProgram(void);
51 static int cmp_by_name(const void *a, const void *b);
52
53 static const WCHAR BackSlashW[] = { '\\', 0 };
54 static const WCHAR DisplayNameW[] = {'D','i','s','p','l','a','y','N','a','m','e',0};
55 static const WCHAR PathUninstallW[] = {
56 'S','o','f','t','w','a','r','e','\\',
57 'M','i','c','r','o','s','o','f','t','\\',
58 'W','i','n','d','o','w','s','\\',
59 'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
60 'U','n','i','n','s','t','a','l','l',0 };
61 static const WCHAR UninstallCommandlineW[] = {'U','n','i','n','s','t','a','l','l','S','t','r','i','n','g',0};
62
63
64 /**
65 * Used to output program list when used with --list
66 */
67 static void ListUninstallPrograms(void)
68 {
69 unsigned int i;
70 int lenDescr, lenKey;
71 char *descr;
72 char *key;
73
74 FetchUninstallInformation();
75
76 for (i=0; i < numentries; i++)
77 {
78 lenDescr = WideCharToMultiByte(CP_UNIXCP, 0, entries[i].descr, -1, NULL, 0, NULL, NULL);
79 lenKey = WideCharToMultiByte(CP_UNIXCP, 0, entries[i].key, -1, NULL, 0, NULL, NULL);
80 descr = HeapAlloc(GetProcessHeap(), 0, lenDescr);
81 key = HeapAlloc(GetProcessHeap(), 0, lenKey);
82 WideCharToMultiByte(CP_UNIXCP, 0, entries[i].descr, -1, descr, lenDescr, NULL, NULL);
83 WideCharToMultiByte(CP_UNIXCP, 0, entries[i].key, -1, key, lenKey, NULL, NULL);
84 printf("%s|||%s\n", key, descr);
85 HeapFree(GetProcessHeap(), 0, descr);
86 HeapFree(GetProcessHeap(), 0, key);
87 }
88 }
89
90
91 static void RemoveSpecificProgram(WCHAR *nameW)
92 {
93 unsigned int i;
94 int lenName;
95 char *name;
96
97 FetchUninstallInformation();
98
99 for (i=0; i < numentries; i++)
100 {
101 if (CompareStringW(GetThreadLocale(), NORM_IGNORECASE, entries[i].key, -1, nameW, -1) == CSTR_EQUAL)
102 {
103 entries[i].active++;
104 break;
105 }
106 }
107
108 if (i < numentries)
109 UninstallProgram();
110 else
111 {
112 lenName = WideCharToMultiByte(CP_UNIXCP, 0, nameW, -1, NULL, 0, NULL, NULL);
113 name = HeapAlloc(GetProcessHeap(), 0, lenName);
114 WideCharToMultiByte(CP_UNIXCP, 0, nameW, -1, name, lenName, NULL, NULL);
115 fprintf(stderr, "Error: could not match application [%s]\n", name);
116 HeapFree(GetProcessHeap(), 0, name);
117 }
118 }
119
120
121 int wmain(int argc, WCHAR *argv[])
122 {
123 LPCWSTR token = NULL;
124 static const WCHAR listW[] = { '-','-','l','i','s','t',0 };
125 static const WCHAR removeW[] = { '-','-','r','e','m','o','v','e',0 };
126 int i = 1;
127
128 while( i<argc )
129 {
130 token = argv[i++];
131
132 /* Handle requests just to list the applications */
133 if( !lstrcmpW( token, listW ) )
134 {
135 ListUninstallPrograms();
136 return 0;
137 }
138 else if( !lstrcmpW( token, removeW ) )
139 {
140 if( i >= argc )
141 {
142 WINE_ERR( "The remove option requires a parameter.\n");
143 return 1;
144 }
145
146 RemoveSpecificProgram( argv[i++] );
147 return 0;
148 }
149 else
150 {
151 WINE_ERR( "unknown option %s\n",wine_dbgstr_w(token));
152 return 1;
153 }
154 }
155
156 /* Start the GUI control panel */
157 Control_RunDLL(GetDesktopWindow(), 0, "appwiz.cpl", SW_SHOW);
158 return 1;
159 }
160
161
162 /**
163 * Used to sort entries by name.
164 */
165 static int cmp_by_name(const void *a, const void *b)
166 {
167 return lstrcmpiW(((const uninst_entry *)a)->descr, ((const uninst_entry *)b)->descr);
168 }
169
170
171 /**
172 * Fetch information from the uninstall key.
173 */
174 static int FetchFromRootKey(HKEY root)
175 {
176 HKEY hkeyUninst, hkeyApp;
177 int i;
178 DWORD sizeOfSubKeyName, displen, uninstlen;
179 WCHAR subKeyName[256];
180 WCHAR key_app[1024];
181 WCHAR *p;
182
183 if (RegOpenKeyExW(root, PathUninstallW, 0, KEY_READ, &hkeyUninst) != ERROR_SUCCESS)
184 return 0;
185
186 lstrcpyW(key_app, PathUninstallW);
187 lstrcatW(key_app, BackSlashW);
188 p = key_app+lstrlenW(PathUninstallW)+1;
189
190 sizeOfSubKeyName = 255;
191 for (i=0; RegEnumKeyExW( hkeyUninst, i, subKeyName, &sizeOfSubKeyName, NULL, NULL, NULL, NULL ) != ERROR_NO_MORE_ITEMS; ++i)
192 {
193 lstrcpyW(p, subKeyName);
194 RegOpenKeyExW(root, key_app, 0, KEY_READ, &hkeyApp);
195 if ((RegQueryValueExW(hkeyApp, DisplayNameW, 0, 0, NULL, &displen) == ERROR_SUCCESS)
196 && (RegQueryValueExW(hkeyApp, UninstallCommandlineW, 0, 0, NULL, &uninstlen) == ERROR_SUCCESS))
197 {
198 numentries++;
199 entries = HeapReAlloc(GetProcessHeap(), 0, entries, numentries*sizeof(uninst_entry));
200 entries[numentries-1].root = root;
201 entries[numentries-1].key = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(subKeyName)+1)*sizeof(WCHAR));
202 lstrcpyW(entries[numentries-1].key, subKeyName);
203 entries[numentries-1].descr = HeapAlloc(GetProcessHeap(), 0, displen);
204 RegQueryValueExW(hkeyApp, DisplayNameW, 0, 0, (LPBYTE)entries[numentries-1].descr, &displen);
205 entries[numentries-1].command = HeapAlloc(GetProcessHeap(), 0, uninstlen);
206 entries[numentries-1].active = 0;
207 RegQueryValueExW(hkeyApp, UninstallCommandlineW, 0, 0, (LPBYTE)entries[numentries-1].command, &uninstlen);
208 WINE_TRACE("allocated entry #%d: %s (%s), %s\n",
209 numentries, wine_dbgstr_w(entries[numentries-1].key), wine_dbgstr_w(entries[numentries-1].descr), wine_dbgstr_w(entries[numentries-1].command));
210 if(sFilter != NULL && StrStrIW(entries[numentries-1].descr,sFilter)==NULL)
211 numentries--;
212 }
213 RegCloseKey(hkeyApp);
214 sizeOfSubKeyName = 255;
215 }
216 RegCloseKey(hkeyUninst);
217 return 1;
218
219 }
220
221 static int FetchUninstallInformation(void)
222 {
223 int rc;
224
225 numentries = 0;
226 oldsel = -1;
227 if (!entries)
228 entries = HeapAlloc(GetProcessHeap(), 0, sizeof(uninst_entry));
229
230 rc = FetchFromRootKey(HKEY_LOCAL_MACHINE);
231 rc |= FetchFromRootKey(HKEY_CURRENT_USER);
232
233 qsort(entries, numentries, sizeof(uninst_entry), cmp_by_name);
234 return rc;
235 }
236
237 static void UninstallProgram(void)
238 {
239 unsigned int i;
240 WCHAR errormsg[1024];
241 BOOL res;
242 STARTUPINFOW si;
243 PROCESS_INFORMATION info;
244 DWORD exit_code;
245 HKEY hkey;
246 for (i=0; i < numentries; i++)
247 {
248 if (!(entries[i].active)) /* don't uninstall this one */
249 continue;
250 WINE_TRACE("uninstalling %s\n", wine_dbgstr_w(entries[i].descr));
251 memset(&si, 0, sizeof(STARTUPINFOW));
252 si.cb = sizeof(STARTUPINFOW);
253 si.wShowWindow = SW_NORMAL;
254 res = CreateProcessW(NULL, entries[i].command, NULL, NULL, FALSE, 0, NULL, NULL, &si, &info);
255 if (res)
256 { /* wait for the process to exit */
257 WaitForSingleObject(info.hProcess, INFINITE);
258 res = GetExitCodeProcess(info.hProcess, &exit_code);
259 WINE_TRACE("%d: %08x\n", res, exit_code);
260 }
261 else
262 {
263 WCHAR sAppName[MAX_STRING_LEN];
264 WCHAR sUninstallFailed[MAX_STRING_LEN];
265 HINSTANCE hInst = GetModuleHandleW(0);
266
267 LoadStringW(hInst, IDS_APPNAME, sAppName, sizeof(sAppName)/sizeof(WCHAR));
268 LoadStringW(hInst, IDS_UNINSTALLFAILED, sUninstallFailed, sizeof(sUninstallFailed)/sizeof(WCHAR));
269 wsprintfW(errormsg, sUninstallFailed, entries[i].command);
270 if(MessageBoxW(0, errormsg, sAppName, MB_YESNO | MB_ICONQUESTION)==IDYES)
271 {
272 /* delete the application's uninstall entry */
273 RegOpenKeyExW(entries[i].root, PathUninstallW, 0, KEY_READ, &hkey);
274 RegDeleteKeyW(hkey, entries[i].key);
275 RegCloseKey(hkey);
276 }
277 }
278 }
279 WINE_TRACE("finished uninstall phase.\n");
280 list_need_update = 1;
281 }
282
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