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 = NULL;
  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     if(ctx->safeopt & INTERFACE_USES_SECURITY_MANAGER) {
  80         secmgr = get_sec_mgr(ctx);
  81         if(!secmgr)
  82             return NULL;
  83
  84         policy = 0;
  85         hres = IInternetHostSecurityManager_ProcessUrlAction(secmgr, URLACTION_ACTIVEX_RUN,
  86                 (BYTE*)&policy, sizeof(policy), (BYTE*)&guid, sizeof(GUID), 0, 0);
  87         if(FAILED(hres) || policy != URLPOLICY_ALLOW)
  88             return NULL;
  89     }
  90
  91     hres = CoGetClassObject(&guid, CLSCTX_INPROC_SERVER|CLSCTX_LOCAL_SERVER, NULL, &IID_IClassFactory, (void**)&cf);
  92     if(FAILED(hres))
  93         return NULL;
  94
  95     hres = IClassFactory_QueryInterface(cf, &IID_IClassFactoryEx, (void**)&cfex);
  96     if(SUCCEEDED(hres)) {
  97         FIXME("Use IClassFactoryEx\n");
  98         IClassFactoryEx_Release(cfex);
  99     }
 100
 101     hres = IClassFactory_CreateInstance(cf, NULL, &IID_IUnknown, (void**)&obj);
 102     if(FAILED(hres))
 103         return NULL;
 104
 105     if(secmgr) {
 106         cs.clsid = guid;
 107         cs.pUnk = obj;
 108         cs.dwFlags = 0;
 109         hres = IInternetHostSecurityManager_QueryCustomPolicy(secmgr, &GUID_CUSTOM_CONFIRMOBJECTSAFETY,
 110                 &bpolicy, &policy_size, (BYTE*)&cs, sizeof(cs), 0);
 111         if(SUCCEEDED(hres)) {
 112             policy = policy_size >= sizeof(DWORD) ? *(DWORD*)bpolicy : URLPOLICY_DISALLOW;
 113             CoTaskMemFree(bpolicy);
 114         }
 115
 116         if(FAILED(hres) || policy != URLPOLICY_ALLOW) {
 117             IUnknown_Release(obj);
 118             return NULL;
 119         }
 120     }
 121
 122     hres = IUnknown_QueryInterface(obj, &IID_IObjectWithSite, (void**)&obj_site);
 123     if(SUCCEEDED(hres)) {
 124         IUnknown *ax_site;
 125
 126         ax_site = create_ax_site(ctx);
 127         if(ax_site) {
 128             hres = IObjectWithSite_SetSite(obj_site, ax_site);
 129             IUnknown_Release(ax_site);
 130         }
 131         IObjectWithSite_Release(obj_site);
 132         if(!ax_site || FAILED(hres)) {
 133             IObjectWithSite_Release(obj_site);
 134             IUnknown_Release(obj);
 135             return NULL;
 136         }
 137     }
 138
 139     return obj;
 140 }
 141
 142 static HRESULT ActiveXObject_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
 143         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 144 {
 145     IDispatch *disp;
 146     IUnknown *obj;
 147     BSTR progid;
 148     HRESULT hres;
 149
 150     TRACE("\n");
 151
 152     if(flags != DISPATCH_CONSTRUCT) {
 153         FIXME("unsupported flags %x\n", flags);
 154         return E_NOTIMPL;
 155     }
 156
 157     if(ctx->safeopt != (INTERFACESAFE_FOR_UNTRUSTED_DATA|INTERFACE_USES_DISPEX|INTERFACE_USES_SECURITY_MANAGER)
 158         && ctx->safeopt != INTERFACE_USES_DISPEX) {
 159         FIXME("Unsupported safeopt %x\n", ctx->safeopt);
 160         return E_NOTIMPL;
 161     }
 162
 163     if(arg_cnt(dp) != 1) {
 164         FIXME("unsupported arg_cnt %d\n", arg_cnt(dp));
 165         return E_NOTIMPL;
 166     }
 167
 168     hres = to_string(ctx, get_arg(dp,0), ei, &progid);
 169     if(FAILED(hres))
 170         return hres;
 171
 172     obj = create_activex_object(ctx, progid);
 173     SysFreeString(progid);
 174     if(!obj)
 175         return throw_generic_error(ctx, ei, JS_E_CANNOT_CREATE_OBJ, NULL);
 176
 177     hres = IUnknown_QueryInterface(obj, &IID_IDispatch, (void**)&disp);
 178     IUnknown_Release(obj);
 179     if(FAILED(hres)) {
 180         FIXME("Object does not support IDispatch\n");
 181         return E_NOTIMPL;
 182     }
 183
 184     V_VT(retv) = VT_DISPATCH;
 185     V_DISPATCH(retv) = disp;
 186     return S_OK;
 187 }
 188
 189 HRESULT create_activex_constr(script_ctx_t *ctx, jsdisp_t **ret)
 190 {
 191     jsdisp_t *prototype;
 192     HRESULT hres;
 193
 194     static const WCHAR ActiveXObjectW[] = {'A','c','t','i','v','e','X','O','b','j','e','c','t',0};
 195
 196     hres = create_object(ctx, NULL, &prototype);
 197     if(FAILED(hres))
 198         return hres;
 199
 200     hres = create_builtin_function(ctx, ActiveXObject_value, ActiveXObjectW, NULL,
 201             PROPF_CONSTR|1, prototype, ret);
 202
 203     jsdisp_release(prototype);
 204     return hres;
 205 }