dlls/jscript/activex.c

   1 /*
   2  * Copyright 2009 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20 #include "wine/port.h"
  21
  22 #include "jscript.h"
  23 #include "objsafe.h"
  24 #include "mshtmhst.h"
  25
  26 #include "wine/debug.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
  29
  30 /* Defined as extern in urlmon.idl, but not exported by uuid.lib */
  31 const GUID GUID_CUSTOM_CONFIRMOBJECTSAFETY =
  32     {0x10200490,0xfa38,0x11d0,{0xac,0x0e,0x00,0xa0,0xc9,0xf,0xff,0xc0}};
  33
  34 static IInternetHostSecurityManager *get_sec_mgr(script_ctx_t *ctx)
  35 {
  36     IInternetHostSecurityManager *secmgr;
  37     IServiceProvider *sp;
  38     HRESULT hres;
  39
  40     if(!ctx->site)
  41         return NULL;
  42
  43     if(ctx->secmgr)
  44         return ctx->secmgr;
  45
  46     hres = IActiveScriptSite_QueryInterface(ctx->site, &IID_IServiceProvider, (void**)&sp);
  47     if(FAILED(hres))
  48         return NULL;
  49
  50     hres = IServiceProvider_QueryService(sp, &SID_SInternetHostSecurityManager, &IID_IInternetHostSecurityManager,
  51             (void**)&secmgr);
  52     IServiceProvider_Release(sp);
  53     if(FAILED(hres))
  54         return NULL;
  55
  56     return ctx->secmgr = secmgr;
  57 }
  58
  59 static IUnknown *create_activex_object(script_ctx_t *ctx, const WCHAR *progid)
  60 {
  61     IInternetHostSecurityManager *secmgr;
  62     IObjectWithSite *obj_site;
  63     struct CONFIRMSAFETY cs;
  64     IClassFactoryEx *cfex;
  65     IClassFactory *cf;
  66     DWORD policy_size;
  67     BYTE *bpolicy;
  68     IUnknown *obj;
  69     DWORD policy;
  70     GUID guid;
  71     HRESULT hres;
  72
  73     hres = CLSIDFromProgID(progid, &guid);
  74     if(FAILED(hres))
  75         return NULL;
  76
  77     TRACE("GUID %s\n", debugstr_guid(&guid));
  78
  79     secmgr = get_sec_mgr(ctx);
  80     if(!secmgr)
  81         return NULL;
  82
  83     policy = 0;
  84     hres = IInternetHostSecurityManager_ProcessUrlAction(secmgr, URLACTION_ACTIVEX_RUN, (BYTE*)&policy, sizeof(policy),
  85             (BYTE*)&guid, sizeof(GUID), 0, 0);
  86     if(FAILED(hres) || policy != URLPOLICY_ALLOW)
  87         return NULL;
  88
  89     hres = CoGetClassObject(&guid, CLSCTX_INPROC_SERVER|CLSCTX_INPROC_HANDLER, NULL, &IID_IClassFactory, (void**)&cf);
  90     if(FAILED(hres))
  91         return NULL;
  92
  93     hres = IClassFactory_QueryInterface(cf, &IID_IClassFactoryEx, (void**)&cfex);
  94     if(SUCCEEDED(hres)) {
  95         FIXME("Use IClassFactoryEx\n");
  96         IClassFactoryEx_Release(cfex);
  97     }
  98
  99     hres = IClassFactory_CreateInstance(cf, NULL, &IID_IUnknown, (void**)&obj);
 100     if(FAILED(hres))
 101         return NULL;
 102
 103     cs.clsid = guid;
 104     cs.pUnk = obj;
 105     cs.dwFlags = 0;
 106     hres = IInternetHostSecurityManager_QueryCustomPolicy(secmgr, &GUID_CUSTOM_CONFIRMOBJECTSAFETY, &bpolicy, &policy_size,
 107             (BYTE*)&cs, sizeof(cs), 0);
 108     if(SUCCEEDED(hres)) {
 109         policy = policy_size >= sizeof(DWORD) ? *(DWORD*)bpolicy : URLPOLICY_DISALLOW;
 110         CoTaskMemFree(bpolicy);
 111     }
 112
 113     if(FAILED(hres) || policy != URLPOLICY_ALLOW) {
 114         IUnknown_Release(obj);
 115         return NULL;
 116     }
 117
 118     hres = IUnknown_QueryInterface(obj, &IID_IObjectWithSite, (void**)&obj_site);
 119     if(SUCCEEDED(hres)) {
 120         FIXME("Set object site\n");
 121         IObjectWithSite_Release(obj_site);
 122     }
 123
 124     return obj;
 125 }
 126
 127 static HRESULT ActiveXObject_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
 128         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 129 {
 130     IDispatch *disp;
 131     IUnknown *obj;
 132     BSTR progid;
 133     HRESULT hres;
 134
 135     TRACE("\n");
 136
 137     if(flags != DISPATCH_CONSTRUCT) {
 138         FIXME("unsupported flags %x\n", flags);
 139         return E_NOTIMPL;
 140     }
 141
 142     if(ctx->safeopt != (INTERFACESAFE_FOR_UNTRUSTED_DATA|INTERFACE_USES_DISPEX|INTERFACE_USES_SECURITY_MANAGER)) {
 143         FIXME("Unsupported safeopt %x\n", ctx->safeopt);
 144         return E_NOTIMPL;
 145     }
 146
 147     if(arg_cnt(dp) != 1) {
 148         FIXME("unsuported arg_cnt %d\n", arg_cnt(dp));
 149         return E_NOTIMPL;
 150     }
 151
 152     hres = to_string(ctx, get_arg(dp,0), ei, &progid);
 153     if(FAILED(hres))
 154         return hres;
 155
 156     obj = create_activex_object(ctx, progid);
 157     SysFreeString(progid);
 158     if(!obj)
 159         return throw_generic_error(ctx, ei, IDS_CREATE_OBJ_ERROR, NULL);
 160
 161     hres = IUnknown_QueryInterface(obj, &IID_IDispatch, (void**)&disp);
 162     IUnknown_Release(obj);
 163     if(FAILED(hres)) {
 164         FIXME("Object does not support IDispatch\n");
 165         return E_NOTIMPL;
 166     }
 167
 168     V_VT(retv) = VT_DISPATCH;
 169     V_DISPATCH(retv) = disp;
 170     return S_OK;
 171 }
 172
 173 HRESULT create_activex_constr(script_ctx_t *ctx, DispatchEx **ret)
 174 {
 175     DispatchEx *prototype;
 176     HRESULT hres;
 177
 178     static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
 179
 180     hres = create_object(ctx, NULL, &prototype);
 181     if(FAILED(hres))
 182         return hres;
 183
 184     hres = create_builtin_function(ctx, ActiveXObject_value, ActiveXObjectW, NULL, PROPF_CONSTR, prototype, ret);
 185
 186     jsdisp_release(prototype);
 187     return hres;
 188 }