winedbg: Don't dereference possibly NULL thread pointer.
[wine/zf.git] / dlls / msi / upgrade.c
blob18649fced3d1acad1bbde06d33dd4e0a849548ea
1 /*
2 * Implementation of the Microsoft Installer (msi.dll)
4 * Copyright 2005 Aric Stewart for CodeWeavers
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 * Actions focused on in this module
24 * FindRelatedProducts
25 * MigrateFeatureStates (TODO)
26 * RemoveExistingProducts (TODO)
29 #include <stdarg.h>
31 #include "windef.h"
32 #include "winbase.h"
33 #include "winerror.h"
34 #include "winreg.h"
35 #include "wine/debug.h"
36 #include "msidefs.h"
37 #include "msipriv.h"
38 #include "winuser.h"
40 WINE_DEFAULT_DEBUG_CHANNEL(msi);
42 static BOOL check_language(DWORD lang1, LPCWSTR lang2, DWORD attributes)
44 DWORD langdword;
46 if (!lang2 || lang2[0]==0)
47 return TRUE;
49 langdword = wcstol(lang2, NULL, 10);
51 if (attributes & msidbUpgradeAttributesLanguagesExclusive)
52 return (lang1 != langdword);
53 else
54 return (lang1 == langdword);
57 static BOOL find_product( const WCHAR *list, const WCHAR *product )
59 const WCHAR *p = list, *q;
61 if (!list) return FALSE;
62 for (;;)
64 while (*p && *p != '{') p++;
65 if (*p != '{') return FALSE;
66 q = p;
67 while (*q && *q != '}') q++;
68 if (*q != '}') return FALSE;
69 q++;
70 if (q - p < lstrlenW( product )) return FALSE;
71 if (!memcmp( p, product, (q - p) * sizeof(WCHAR) )) return TRUE;
72 p = q + 1;
73 while (*p && *p != ';') p++;
74 if (*p != ';') break;
77 return FALSE;
80 static void append_productcode( MSIPACKAGE *package, const WCHAR *action_prop, const WCHAR *product )
82 WCHAR *prop, *newprop;
83 DWORD len = 0;
84 UINT r;
86 prop = msi_dup_property( package->db, action_prop );
87 if (find_product( prop, product ))
89 TRACE( "related product property %s already contains %s\n", debugstr_w(action_prop), debugstr_w(product) );
90 msi_free( prop );
91 return;
94 if (prop) len += lstrlenW( prop );
95 len += lstrlenW( product ) + 2;
96 if (!(newprop = msi_alloc( len * sizeof(WCHAR) ))) return;
97 if (prop)
99 lstrcpyW( newprop, prop );
100 lstrcatW( newprop, L";" );
102 else newprop[0] = 0;
103 lstrcatW( newprop, product );
105 r = msi_set_property( package->db, action_prop, newprop, -1 );
106 if (r == ERROR_SUCCESS && !wcscmp( action_prop, L"SourceDir" ))
107 msi_reset_source_folders( package );
109 TRACE( "related product property %s now %s\n", debugstr_w(action_prop), debugstr_w(newprop) );
111 msi_free( prop );
112 msi_free( newprop );
115 static UINT ITERATE_FindRelatedProducts(MSIRECORD *rec, LPVOID param)
117 MSIPACKAGE *package = param;
118 WCHAR product[SQUASHED_GUID_SIZE];
119 DWORD index = 0, attributes = 0, sz = ARRAY_SIZE(product);
120 LPCWSTR upgrade_code;
121 HKEY hkey = 0;
122 UINT rc = ERROR_SUCCESS;
123 MSIRECORD *uirow;
125 upgrade_code = MSI_RecordGetString(rec,1);
127 rc = MSIREG_OpenUpgradeCodesKey(upgrade_code, &hkey, FALSE);
128 if (rc != ERROR_SUCCESS)
129 return ERROR_SUCCESS;
131 uirow = MSI_CreateRecord(1);
132 attributes = MSI_RecordGetInteger(rec,5);
134 while (rc == ERROR_SUCCESS)
136 rc = RegEnumValueW(hkey, index, product, &sz, NULL, NULL, NULL, NULL);
137 if (rc == ERROR_SUCCESS)
139 WCHAR productid[GUID_SIZE];
140 LPCWSTR ver, language, action_property;
141 DWORD check = 0, comp_ver, sz = 0x100;
142 HKEY hukey;
143 INT r;
145 TRACE("Looking at index %u product %s\n", index, debugstr_w(product));
147 unsquash_guid(product, productid);
148 if (MSIREG_OpenProductKey(productid, NULL, MSIINSTALLCONTEXT_USERMANAGED, &hukey, FALSE) &&
149 MSIREG_OpenProductKey(productid, NULL, MSIINSTALLCONTEXT_USERUNMANAGED, &hukey, FALSE) &&
150 MSIREG_OpenProductKey(productid, NULL, MSIINSTALLCONTEXT_MACHINE, &hukey, FALSE))
152 TRACE("product key not found\n");
153 rc = ERROR_SUCCESS;
154 index ++;
155 continue;
158 sz = sizeof(DWORD);
159 RegQueryValueExW(hukey, INSTALLPROPERTY_VERSIONW, NULL, NULL, (LPBYTE)&check, &sz);
161 /* check version minimum */
162 ver = MSI_RecordGetString(rec,2);
163 if (ver)
165 comp_ver = msi_version_str_to_dword(ver);
166 r = check - comp_ver;
167 if (r < 0 || (r == 0 && !(attributes & msidbUpgradeAttributesVersionMinInclusive)))
169 TRACE("version below minimum\n");
170 RegCloseKey(hukey);
171 index ++;
172 continue;
176 /* check version maximum */
177 ver = MSI_RecordGetString(rec,3);
178 if (ver)
180 comp_ver = msi_version_str_to_dword(ver);
181 r = check - comp_ver;
182 if (r > 0 || (r == 0 && !(attributes & msidbUpgradeAttributesVersionMaxInclusive)))
184 RegCloseKey(hukey);
185 index ++;
186 continue;
188 TRACE("version above maximum\n");
191 /* check language */
192 sz = sizeof(DWORD);
193 RegQueryValueExW(hukey, INSTALLPROPERTY_LANGUAGEW, NULL, NULL, (LPBYTE)&check, &sz);
194 RegCloseKey(hukey);
195 language = MSI_RecordGetString(rec,4);
196 if (!check_language(check, language, attributes))
198 index ++;
199 TRACE("language doesn't match\n");
200 continue;
202 TRACE("found related product\n");
204 action_property = MSI_RecordGetString(rec, 7);
205 append_productcode(package, action_property, productid);
206 MSI_RecordSetStringW(uirow, 1, productid);
207 MSI_ProcessMessage(package, INSTALLMESSAGE_ACTIONDATA, uirow);
209 index ++;
211 RegCloseKey(hkey);
212 msiobj_release( &uirow->hdr);
214 return ERROR_SUCCESS;
217 UINT ACTION_FindRelatedProducts(MSIPACKAGE *package)
219 MSIQUERY *view;
220 UINT rc;
222 if (msi_get_property_int(package->db, L"Installed", 0))
224 TRACE("Skipping FindRelatedProducts action: product already installed\n");
225 return ERROR_SUCCESS;
227 if (msi_action_is_unique(package, L"FindRelatedProducts"))
229 TRACE("Skipping FindRelatedProducts action: already done in UI sequence\n");
230 return ERROR_SUCCESS;
232 else
233 msi_register_unique_action(package, L"FindRelatedProducts");
235 rc = MSI_DatabaseOpenViewW(package->db, L"SELECT * FROM `Upgrade`", &view);
236 if (rc != ERROR_SUCCESS)
237 return ERROR_SUCCESS;
239 rc = MSI_IterateRecords(view, NULL, ITERATE_FindRelatedProducts, package);
240 msiobj_release(&view->hdr);
241 return rc;