[2/9] msi: Handle descriptors without component in MsiProvideQualifiedComponentEx.

Hans Leidekker hans at codeweavers.com
Fri Nov 4 07:28:04 CDT 2016


Signed-off-by: Hans Leidekker <hans at codeweavers.com>
---
 dlls/msi/msi.c       |  79 +++++++++++++++++++++--------
 dlls/msi/tests/msi.c | 141 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 198 insertions(+), 22 deletions(-)

diff --git a/dlls/msi/msi.c b/dlls/msi/msi.c
index e812ebb..2fe1538 100644
--- a/dlls/msi/msi.c
+++ b/dlls/msi/msi.c
@@ -3363,6 +3363,26 @@ INSTALLSTATE WINAPI MsiUseFeatureA( LPCSTR szProduct, LPCSTR szFeature )
     return MsiUseFeatureExA(szProduct, szFeature, 0, 0);
 }
 
+WCHAR *reg_get_multisz( HKEY hkey, const WCHAR *name )
+{
+    WCHAR *ret;
+    DWORD len, type;
+    if (RegQueryValueExW( hkey, name, NULL, &type, NULL, &len ) || type != REG_MULTI_SZ) return NULL;
+    if ((ret = msi_alloc( len ))) RegQueryValueExW( hkey, name, NULL, NULL, (BYTE *)ret, &len );
+    return ret;
+}
+
+WCHAR *reg_get_sz( HKEY hkey, const WCHAR *name )
+{
+    WCHAR *ret;
+    DWORD len, type;
+    if (RegQueryValueExW( hkey, name, NULL, &type, NULL, &len ) || type != REG_SZ) return NULL;
+    if ((ret = msi_alloc( len ))) RegQueryValueExW( hkey, name, NULL, NULL, (BYTE *)ret, &len );
+    return ret;
+}
+
+#define BASE85_SIZE 20
+
 /***********************************************************************
  * MSI_ProvideQualifiedComponentEx [internal]
  */
@@ -3371,39 +3391,54 @@ static UINT MSI_ProvideQualifiedComponentEx(LPCWSTR szComponent,
                 DWORD Unused1, DWORD Unused2, awstring *lpPathBuf,
                 LPDWORD pcchPathBuf)
 {
-    WCHAR product[MAX_FEATURE_CHARS+1], component[MAX_FEATURE_CHARS+1],
-          feature[MAX_FEATURE_CHARS+1];
-    LPWSTR info;
+    WCHAR product[MAX_FEATURE_CHARS+1], comp[MAX_FEATURE_CHARS+1], feature[MAX_FEATURE_CHARS+1];
+    WCHAR *desc;
     HKEY hkey;
-    DWORD sz;
-    UINT rc;
+    DWORD size;
+    UINT ret;
     INSTALLSTATE state;
 
-    rc = MSIREG_OpenUserComponentsKey(szComponent, &hkey, FALSE);
-    if (rc != ERROR_SUCCESS)
-        return ERROR_INDEX_ABSENT;
+    if (MSIREG_OpenUserComponentsKey( szComponent, &hkey, FALSE )) return ERROR_UNKNOWN_COMPONENT;
 
-    info = msi_reg_get_val_str( hkey, szQualifier );
+    desc = reg_get_multisz( hkey, szQualifier );
     RegCloseKey(hkey);
+    if (!desc) return ERROR_INDEX_ABSENT;
 
-    if (!info)
-        return ERROR_INDEX_ABSENT;
-
-    MsiDecomposeDescriptorW(info, product, feature, component, &sz);
+    /* FIXME: handle multiple descriptors */
+    ret = MsiDecomposeDescriptorW( desc, product, feature, comp, &size );
+    msi_free( desc );
+    if (ret != ERROR_SUCCESS) return ret;
 
-    if (!szProduct)
-        state = MSI_GetComponentPath(product, component, lpPathBuf, pcchPathBuf);
-    else
-        state = MSI_GetComponentPath(szProduct, component, lpPathBuf, pcchPathBuf);
+    if (!szProduct) szProduct = product;
+    if (!comp[0])
+    {
+        MSIINSTALLCONTEXT ctx;
+        WCHAR *components;
+        GUID guid;
 
-    msi_free( info );
+        /* use the first component of the feature if the descriptor component is empty */
+        if ((ret = msi_locate_product( szProduct, &ctx ))) return ret;
+        if ((ret = MSIREG_OpenUserDataFeaturesKey( szProduct, NULL, ctx, &hkey, FALSE )))
+        {
+            return ERROR_FILE_NOT_FOUND;
+        }
+        components = reg_get_sz( hkey, feature );
+        RegCloseKey( hkey );
+        if (!components) return ERROR_FILE_NOT_FOUND;
 
-    if (state == INSTALLSTATE_MOREDATA)
-        return ERROR_MORE_DATA;
+        if (strlenW( components ) < BASE85_SIZE || !decode_base85_guid( components, &guid ))
+        {
+            msi_free( components );
+            return ERROR_FILE_NOT_FOUND;
+        }
+        msi_free( components );
+        StringFromGUID2( &guid, comp, sizeof(comp)/sizeof(comp[0]) );
+    }
 
-    if (state != INSTALLSTATE_LOCAL)
-        return ERROR_FILE_NOT_FOUND;
+    state = MSI_GetComponentPath( szProduct, comp, lpPathBuf, pcchPathBuf );
 
+    if (state == INSTALLSTATE_MOREDATA) return ERROR_MORE_DATA;
+    if (state != INSTALLSTATE_LOCAL) return ERROR_FILE_NOT_FOUND;
     return ERROR_SUCCESS;
 }
 
diff --git a/dlls/msi/tests/msi.c b/dlls/msi/tests/msi.c
index 49d8f28..02298df 100644
--- a/dlls/msi/tests/msi.c
+++ b/dlls/msi/tests/msi.c
@@ -3523,6 +3523,146 @@ static void test_MsiProvideComponent(void)
     DeleteFileA(msifile);
 }
 
+static void test_MsiProvideQualifiedComponentEx(void)
+{
+    UINT r;
+    INSTALLSTATE state;
+    char comp[39], comp_squashed[33], comp2[39], comp2_base85[21], comp2_squashed[33];
+    char prod[39], prod_base85[21], prod_squashed[33];
+    char desc[MAX_PATH], buf[MAX_PATH], keypath[MAX_PATH], path[MAX_PATH];
+    DWORD len = sizeof(buf);
+    REGSAM access = KEY_ALL_ACCESS;
+    HKEY hkey, hkey2, hkey3, hkey4, hkey5;
+    LONG res;
+
+    if (is_process_limited())
+    {
+        skip( "process is limited\n" );
+        return;
+    }
+
+    create_test_guid( comp, comp_squashed );
+    compose_base85_guid( comp2, comp2_base85, comp2_squashed );
+    compose_base85_guid( prod, prod_base85, prod_squashed );
+
+    r = MsiProvideQualifiedComponentExA( comp, "qualifier", INSTALLMODE_EXISTING, prod, 0, 0, buf, &len );
+    ok( r == ERROR_UNKNOWN_COMPONENT, "got %u\n", r );
+
+    lstrcpyA( keypath, "Software\\Classes\\Installer\\Components\\" );
+    lstrcatA( keypath, comp_squashed );
+
+    if (is_wow64) access |= KEY_WOW64_64KEY;
+    res = RegCreateKeyExA( HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, &hkey, NULL );
+    ok( res == ERROR_SUCCESS, "got %d\n", res );
+
+    lstrcpyA( desc, prod_base85 );
+    memcpy( desc + lstrlenA(desc), "feature<\0", sizeof("feature<\0") );
+    res = RegSetValueExA( hkey, "qualifier", 0, REG_MULTI_SZ, (const BYTE *)desc,
+                          lstrlenA(prod_base85) + sizeof("feature<\0") );
+    ok( res == ERROR_SUCCESS, "got %d\n", res );
+
+    r = MsiProvideQualifiedComponentExA( comp, "qualifier", INSTALLMODE_EXISTING, prod, 0, 0, buf, &len );
+    ok( r == ERROR_UNKNOWN_PRODUCT, "got %u\n", r );
+
+    r = MsiProvideQualifiedComponentExA( comp, "qualifier", INSTALLMODE_EXISTING, NULL, 0, 0, buf, &len );
+    ok( r == ERROR_UNKNOWN_PRODUCT, "got %u\n", r );
+
+    state = MsiQueryProductStateA( prod );
+    ok( state == INSTALLSTATE_UNKNOWN, "got %d\n", state );
+
+    lstrcpyA( keypath, "Software\\Classes\\Installer\\Products\\" );
+    lstrcatA( keypath, prod_squashed );
+
+    res = RegCreateKeyExA( HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, &hkey2, NULL );
+    ok( res == ERROR_SUCCESS, "got %d\n", res );
+
+    state = MsiQueryProductStateA( prod );
+    ok( state == INSTALLSTATE_ADVERTISED, "got %d\n", state );
+
+    r = MsiProvideQualifiedComponentExA( comp, "qualifier", INSTALLMODE_EXISTING, prod, 0, 0, buf, &len );
+    todo_wine ok( r == ERROR_UNKNOWN_FEATURE, "got %u\n", r );
+
+    lstrcpyA( keypath, "Software\\Classes\\Installer\\Features\\" );
+    lstrcatA( keypath, prod_squashed );
+
+    res = RegCreateKeyExA( HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, &hkey3, NULL );
+    ok( res == ERROR_SUCCESS, "got %d\n", res );
+
+    state = MsiQueryFeatureStateA( prod, "feature" );
+    ok( state == INSTALLSTATE_UNKNOWN, "got %d\n", state );
+
+    res = RegSetValueExA( hkey3, "feature", 0, REG_SZ, (const BYTE *)"", 1 );
+    ok( res == ERROR_SUCCESS, "got %d\n", res );
+
+    state = MsiQueryFeatureStateA( prod, "feature" );
+    ok( state == INSTALLSTATE_ADVERTISED, "got %d\n", state );
+
+    r = MsiProvideQualifiedComponentExA( comp, "qualifier", INSTALLMODE_EXISTING, prod, 0, 0, buf, &len );
+    ok( r == ERROR_FILE_NOT_FOUND, "got %u\n", r );
+
+    len = sizeof(buf);
+    r = MsiProvideQualifiedComponentExA( comp, "qualifier", INSTALLMODE_EXISTING, NULL, 0, 0, buf, &len );
+    ok( r == ERROR_FILE_NOT_FOUND, "got %u\n", r );
+
+    lstrcpyA( keypath, "Software\\Microsoft\\Windows\\CurrentVersion\\Installer\\UserData\\S-1-5-18\\Products\\" );
+    lstrcatA( keypath, prod_squashed );
+    lstrcatA( keypath, "\\Features" );
+
+    res = RegCreateKeyExA( HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, &hkey4, NULL );
+    ok( res == ERROR_SUCCESS, "got %d\n", res );
+
+    res = RegSetValueExA( hkey4, "feature", 0, REG_SZ, (const BYTE *)comp2_base85, sizeof(comp2_base85) );
+    ok( res == ERROR_SUCCESS, "got %d\n", res );
+
+    state = MsiQueryFeatureStateA( prod, "feature" );
+    ok( state == INSTALLSTATE_ADVERTISED, "got %d\n", state );
+
+    lstrcpyA( keypath, "Software\\Microsoft\\Windows\\CurrentVersion\\Installer\\UserData\\S-1-5-18\\Components\\" );
+    lstrcatA( keypath, comp2_squashed );
+
+    res = RegCreateKeyExA( HKEY_LOCAL_MACHINE, keypath, 0, NULL, 0, access, NULL, &hkey5, NULL );
+    ok( res == ERROR_SUCCESS, "got %d\n", res );
+
+    res = RegSetValueExA( hkey5, prod_squashed, 0, REG_SZ, (const BYTE *)"c:\\nosuchfile", sizeof("c:\\nosuchfile") );
+    ok( res == ERROR_SUCCESS, "got %d\n", res );
+
+    state = MsiQueryFeatureStateA( prod, "feature" );
+    ok( state == INSTALLSTATE_LOCAL, "got %d\n", state );
+
+    r = MsiProvideQualifiedComponentExA( comp, "qualifier", INSTALLMODE_EXISTING, prod, 0, 0, buf, &len );
+    ok( r == ERROR_FILE_NOT_FOUND, "got %u\n", r );
+
+    GetCurrentDirectoryA( MAX_PATH, path );
+    lstrcatA( path, "\\msitest" );
+    CreateDirectoryA( path, NULL );
+    lstrcatA( path, "\\test.txt" );
+    create_file( path, "test", 100 );
+
+    res = RegSetValueExA( hkey5, prod_squashed, 0, REG_SZ, (const BYTE *)path, lstrlenA(path) + 1 );
+    ok( res == ERROR_SUCCESS, "got %d\n", res );
+
+    buf[0] = 0;
+    len = sizeof(buf);
+    r = MsiProvideQualifiedComponentExA( comp, "qualifier", INSTALLMODE_EXISTING, prod, 0, 0, buf, &len );
+    ok( r == ERROR_SUCCESS, "got %u\n", r );
+    ok( len == lstrlenA(path), "got %u\n", len );
+    ok( !lstrcmpA( path, buf ), "got '%s'\n", buf );
+
+    DeleteFileA( "msitest\\text.txt" );
+    RemoveDirectoryA( "msitest" );
+
+    delete_key( hkey5, "", access & KEY_WOW64_64KEY );
+    RegCloseKey( hkey5 );
+    delete_key( hkey4, "", access & KEY_WOW64_64KEY );
+    RegCloseKey( hkey4 );
+    delete_key( hkey3, "", access & KEY_WOW64_64KEY );
+    RegCloseKey( hkey3 );
+    delete_key( hkey2, "", access & KEY_WOW64_64KEY );
+    RegCloseKey( hkey2 );
+    delete_key( hkey, "", access & KEY_WOW64_64KEY );
+    RegCloseKey( hkey );
+}
+
 static void test_MsiGetProductCode(void)
 {
     HKEY compkey, prodkey;
@@ -14447,6 +14587,7 @@ START_TEST(msi)
     if (pMsiGetComponentPathExA)
         test_concurrentinstall();
     test_command_line_parsing();
+    test_MsiProvideQualifiedComponentEx();
 
     SetCurrentDirectoryA(prev_path);
 }
-- 
2.1.4




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