Asp.net Win 7请求类型为';System.Security.Permissions.SecurityPermission失败
我有一个dll,可以从asp.net编写的intranet web应用程序访问本地计算机上的扫描仪。使用caspol在本地计算机上授予dll完全信任。在Win XP上一切都很好,但在Win 7上没有 代码是:Asp.net Win 7请求类型为';System.Security.Permissions.SecurityPermission失败,asp.net,security,windows-7,permission-denied,Asp.net,Security,Windows 7,Permission Denied,我有一个dll,可以从asp.net编写的intranet web应用程序访问本地计算机上的扫描仪。使用caspol在本地计算机上授予dll完全信任。在Win XP上一切都很好,但在Win 7上没有 代码是: PermissionSet ps = new PermissionSet(PermissionState.Unrestricted); ps.AddPermission(new SecurityPermission(SecurityPermissio
PermissionSet ps = new PermissionSet(PermissionState.Unrestricted);
ps.AddPermission(new SecurityPermission(SecurityPermissionFlag.AllFlags));
ps.Assert();
wiaDevMgr = new DeviceManager();
foreach (DeviceInfo di in wiaDevMgr.DeviceInfos) {
对DeviceInfo的请求引发以下错误:
Exception: Acquire from WIA failed Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.
我已使用caspol检查了实际权限-相关区域的条目为:
1.2. Zone - Intranet: FullTrust
1.2.1. All code: Same site Web
1.2.2. All code: Same directory FileIO - 'Read, PathDiscovery'
1.2.3. Url - http://srvr/tpc/pictureConverter.dll: FullTrust
1.2.4. Url - http://srvr/tpc/printUniformities.dll: FullTrust
1.2.5. Url - http://srvr/tpc/WiaOneScan.dll: FullTrust
1.2.6. Url - http://srvr/tpc/DocPrint.dll: FullTrust
1.2.7. Url - http://srvr/tpc/FileAdmin.dll: FullTrust
1.2.8. Url - http://srvr/tpc/Interop.ImageMagickObject.dll: FullTrust
1.2.9. Url - http://srvr/tpc/Interop.WIALib.dll: FullTrust
其中,相关dll为WiaOneScan.dll
谢谢你的建议。终于解决了。使用PermCalc.exe获取dll所需权限的列表 PermissionSet ps = new PermissionSet(PermissionState.Unrestricted); ReflectionPermission rp = new ReflectionPermission(PermissionState.Unrestricted); rp.Flags = ReflectionPermissionFlag.AllFlags; ps.AddPermission(rp); SecurityPermission sp = new SecurityPermission(PermissionState.Unrestricted); sp.Flags = SecurityPermissionFlag.AllFlags; ps.AddPermission(sp); KeyContainerPermission kc = new KeyContainerPermission(KeyContainerPermissionFlags.AllFlags); ps.AddPermission(kc); ps.Assert(); PermissionSet ps=新的PermissionSet(PermissionState.Unrestricted); ReflectionPermission rp=新的ReflectionPermission(PermissionState.Unrestricted); rp.Flags=ReflectionPermissionFlag.AllFlags; ps.AddPermission(rp); SecurityPermission sp=新的SecurityPermission(PermissionState.Unrestricted); sp.Flags=SecurityPermissionFlag.AllFlags; ps.AddPermission(sp); KeyContainerPermission kc=新的KeyContainerPermission(KeyContainerPermissionFlags.AllFlags); ps.AddPermission(kc); ps.Assert();