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
  20 #include "jscript.h"
  21 #include "objsafe.h"
  22 #include "mshtmhst.h"
  23
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
  27
  28 /* Defined as extern in urlmon.idl, but not exported by uuid.lib */
  29 const GUID GUID_CUSTOM_CONFIRMOBJECTSAFETY =
  30     {0x10200490,0xfa38,0x11d0,{0xac,0x0e,0x00,0xa0,0xc9,0xf,0xff,0xc0}};
  31
  32 static IInternetHostSecurityManager *get_sec_mgr(script_ctx_t *ctx)
  33 {
  34     IInternetHostSecurityManager *secmgr;
  35     IServiceProvider *sp;
  36     HRESULT hres;
  37
  38     if(!ctx->site)
  39         return NULL;
  40
  41     if(ctx->secmgr)
  42         return ctx->secmgr;
  43
  44     hres = IActiveScriptSite_QueryInterface(ctx->site, &IID_IServiceProvider, (void**)&sp);
  45     if(FAILED(hres))
  46         return NULL;
  47
  48     hres = IServiceProvider_QueryService(sp, &SID_SInternetHostSecurityManager, &IID_IInternetHostSecurityManager,
  49             (void**)&secmgr);
  50     IServiceProvider_Release(sp);
  51     if(FAILED(hres))
  52         return NULL;
  53
  54     return ctx->secmgr = secmgr;
  55 }
  56
  57 static IUnknown *create_activex_object(script_ctx_t *ctx, const WCHAR *progid)
  58 {
  59     IInternetHostSecurityManager *secmgr = NULL;
  60     IObjectWithSite *obj_site;
  61     struct CONFIRMSAFETY cs;
  62     IClassFactoryEx *cfex;
  63     IClassFactory *cf;
  64     DWORD policy_size;
  65     BYTE *bpolicy;
  66     IUnknown *obj;
  67     DWORD policy;
  68     GUID guid;
  69     HRESULT hres;
  70
  71     TRACE("%s\n", debugstr_w(progid));
  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             IUnknown_Release(obj);
 134             return NULL;
 135         }
 136     }
 137
 138     return obj;
 139 }
 140
 141 static HRESULT ActiveXObject_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
 142         jsval_t *r)
 143 {
 144     jsstr_t * progid_str;
 145     const WCHAR *progid;
 146     IDispatch *disp;
 147     IUnknown *obj;
 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(argc != 1) {
 164         FIXME("unsupported argc %d\n", argc);
 165         return E_NOTIMPL;
 166     }
 167
 168     hres = to_flat_string(ctx, argv[0], &progid_str, &progid);
 169     if(FAILED(hres))
 170         return hres;
 171
 172     obj = create_activex_object(ctx, progid);
 173     jsstr_release(progid_str);
 174     if(!obj)
 175         return JS_E_CANNOT_CREATE_OBJ;
 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     *r = jsval_disp(disp);
 185     return S_OK;
 186 }
 187
 188 HRESULT create_activex_constr(script_ctx_t *ctx, jsdisp_t **ret)
 189 {
 190     jsdisp_t *prototype;
 191     HRESULT hres;
 192
 193     hres = create_object(ctx, NULL, &prototype);
 194     if(FAILED(hres))
 195         return hres;
 196
 197     hres = create_builtin_function(ctx, ActiveXObject_value, L"ActiveXObject", NULL,
 198             PROPF_CONSTR|1, prototype, ret);
 199
 200     jsdisp_release(prototype);
 201     return hres;
 202 }