|
1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
|
2 // All rights reserved. |
|
3 // This component and the accompanying materials are made available |
|
4 // under the terms of "Eclipse Public License v1.0" |
|
5 // which accompanies this distribution, and is available |
|
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
7 // |
|
8 // Initial Contributors: |
|
9 // Nokia Corporation - initial contribution. |
|
10 // |
|
11 // Contributors: |
|
12 // |
|
13 // Description: |
|
14 // |
|
15 |
|
16 #include <f32file.h> |
|
17 #include <ssm/ssmutility.h> |
|
18 #include <ssm/ssmsuscli.h> |
|
19 #include "suspluginloader.h" |
|
20 #include "suspluginframe.h" |
|
21 #include "ssmdebug.h" |
|
22 #include "suspanic.h" |
|
23 |
|
24 _LIT(KRomDriveLetter, "Z:"); |
|
25 |
|
26 /** |
|
27 Loads the specified DLL into an RLibrary. DLL is typechecked and optionally its uid3 can be verified. |
|
28 If the RLibrariy::iHandle was opened pushed onto and left on the CleanupStack. |
|
29 */ |
|
30 void SusPluginLoader::LoadDllFileLC(RLibrary& aLibrary, const TSsmSupInfo& aSupInfo) |
|
31 { |
|
32 //Enforce that plugins can only be loaded from ROM |
|
33 TBuf<KMaxFileName + 2> filename = aSupInfo.FileName(); //KMaxFileName + KRomDriveLetter().Length() |
|
34 if( filename.Left(2).CompareF(KRomDriveLetter) ) |
|
35 { |
|
36 filename.Insert(0, KRomDriveLetter); |
|
37 } |
|
38 |
|
39 const TUid expectedUid3 = aSupInfo.Identity(); |
|
40 DoLoadDllFileLC(aLibrary, filename, expectedUid3); |
|
41 } |
|
42 |
|
43 /** |
|
44 */ |
|
45 CSusPluginFrame* SusPluginLoader::CreatePluginLC(RLibrary& aLibrary, TInt aNewLOrdinal) |
|
46 { |
|
47 |
|
48 CSusPluginFrame* plugin = SusPluginLoader::DoCreatePluginL(aLibrary, aNewLOrdinal); |
|
49 CleanupStack::PushL(plugin); |
|
50 #ifdef _DEBUG |
|
51 TFileName name = aLibrary.FileName(); |
|
52 #endif |
|
53 DEBUGPRINT2(_L("Utility Plugin [%S] loaded."), &name); |
|
54 |
|
55 plugin->InitializeL(); |
|
56 DEBUGPRINT2(_L("Utility Plugin [%S] initialized."), &name); |
|
57 |
|
58 plugin->StartL(); |
|
59 DEBUGPRINT2(_L("Utility Plugin [%S] started."), &name); |
|
60 |
|
61 return plugin; |
|
62 } |
|
63 |
|
64 /** |
|
65 Load the DLL file from the file system. |
|
66 @leave KErrNotSupported If UID2 of the DLL is not KSsmUtilityPluginDllTypeUid |
|
67 @leave KErrNotFound If the requested policy DLL file is missing. |
|
68 @leave KErrBadName If @c aSupInfo contains an Identity different from UID3 of the DLL. |
|
69 @leave KErrCorrupt Or any other system wide error code that the fileserver can rise. |
|
70 */ |
|
71 void SusPluginLoader::DoLoadDllFileLC(RLibrary& aLibrary, const TDesC& aFileName, TUid aExpectedUid3) |
|
72 { |
|
73 const TInt fileErr = aLibrary.Load(aFileName); |
|
74 CleanupClosePushL(aLibrary); |
|
75 |
|
76 //Leave if we couldn't open aLibrary |
|
77 if (fileErr != KErrNone) |
|
78 { |
|
79 DEBUGPRINT3(_L("Failed to load utility plugin DLL named %S, file error: %d"), &aFileName, fileErr); |
|
80 User::Leave(fileErr); |
|
81 } |
|
82 |
|
83 //Check that the DLL is the SUP type |
|
84 if (aLibrary.Type()[1] != KSsmUtilityPluginDllTypeUid) |
|
85 { |
|
86 DEBUGPRINT4(_L("Wrong type (uid2) in the utility plugin DLL %S. Expected %x found %x"), |
|
87 &aFileName, KSsmUtilityPluginDllTypeUid, aLibrary.Type()[1]);; |
|
88 User::Leave(KErrNotSupported); |
|
89 } |
|
90 |
|
91 //If we were given a identity, check that the loaded file conforms |
|
92 if ( (aExpectedUid3 != KNullUid) && (aExpectedUid3 != aLibrary.Type()[2]) ) |
|
93 { |
|
94 DEBUGPRINT4(_L("Wrong identity (uid3) in the utility plugin DLL %S. Expected %x found %x"), |
|
95 &aFileName, aExpectedUid3, aLibrary.Type()[2]); |
|
96 User::Leave(KErrBadName); |
|
97 } |
|
98 } //lint !e1746 suppress parameter 'aExpectedUid3' could be made const reference |
|
99 |
|
100 /** |
|
101 */ |
|
102 CSusPluginFrame* SusPluginLoader::DoCreatePluginL(const RLibrary& aLibrary, TInt aNewLOrdinal) |
|
103 { |
|
104 __ASSERT_DEBUG(KNullHandle != aLibrary.Handle(), User::Panic(KPanicSsmSus, EPluginLoaderError1)); |
|
105 |
|
106 CSusPluginFrame* frame = NULL; |
|
107 TRAPD(err, frame = CSusPluginFrame::NewL(aLibrary.Lookup(aNewLOrdinal), aNewLOrdinal)); |
|
108 #ifdef _DEBUG |
|
109 if(KErrNone != err) |
|
110 { |
|
111 TFileName name = aLibrary.FileName(); |
|
112 DEBUGPRINT4(_L("Specified ordinal function (%d) in DLL %S didn't create a new instance, err=%d."), aNewLOrdinal, &name, err); |
|
113 } |
|
114 #endif |
|
115 SSMLOGLEAVEIFERROR(err); |
|
116 return frame; |
|
117 } |
|
118 |