dlls/mshtml/secmgr.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
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23
  24 #define COBJMACROS
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "ole2.h"
  30 #include "objsafe.h"
  31 #include "activscp.h"
  32
  33 #include "wine/debug.h"
  34
  35 #include "mshtml_private.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  38
  39 static const WCHAR about_blankW[] = {'a','b','o','u','t',':','b','l','a','n','k',0};
  40
  41 /* Defined as extern in urlmon.idl, but not exported by uuid.lib */
  42 const GUID GUID_CUSTOM_CONFIRMOBJECTSAFETY =
  43     {0x10200490,0xfa38,0x11d0,{0xac,0x0e,0x00,0xa0,0xc9,0xf,0xff,0xc0}};
  44
  45 static inline HTMLDocumentNode *impl_from_IInternetHostSecurityManager(IInternetHostSecurityManager *iface)
  46 {
  47     return CONTAINING_RECORD(iface, HTMLDocumentNode, IInternetHostSecurityManager_iface);
  48 }
  49
  50 static HRESULT WINAPI InternetHostSecurityManager_QueryInterface(IInternetHostSecurityManager *iface, REFIID riid, void **ppv)
  51 {
  52     HTMLDocumentNode *This = impl_from_IInternetHostSecurityManager(iface);
  53     return IHTMLDOMNode_QueryInterface(&This->node.IHTMLDOMNode_iface, riid, ppv);
  54 }
  55
  56 static ULONG WINAPI InternetHostSecurityManager_AddRef(IInternetHostSecurityManager *iface)
  57 {
  58     HTMLDocumentNode *This = impl_from_IInternetHostSecurityManager(iface);
  59     return IHTMLDOMNode_AddRef(&This->node.IHTMLDOMNode_iface);
  60 }
  61
  62 static ULONG WINAPI InternetHostSecurityManager_Release(IInternetHostSecurityManager *iface)
  63 {
  64     HTMLDocumentNode *This = impl_from_IInternetHostSecurityManager(iface);
  65     return IHTMLDOMNode_Release(&This->node.IHTMLDOMNode_iface);
  66 }
  67
  68 static HRESULT WINAPI InternetHostSecurityManager_GetSecurityId(IInternetHostSecurityManager *iface,  BYTE *pbSecurityId,
  69         DWORD *pcbSecurityId, DWORD_PTR dwReserved)
  70 {
  71     HTMLDocumentNode *This = impl_from_IInternetHostSecurityManager(iface);
  72     FIXME("(%p)->(%p %p %lx)\n", This, pbSecurityId, pcbSecurityId, dwReserved);
  73     return E_NOTIMPL;
  74 }
  75
  76 static HRESULT WINAPI InternetHostSecurityManager_ProcessUrlAction(IInternetHostSecurityManager *iface, DWORD dwAction,
  77         BYTE *pPolicy, DWORD cbPolicy, BYTE *pContext, DWORD cbContext, DWORD dwFlags, DWORD dwReserved)
  78 {
  79     HTMLDocumentNode *This = impl_from_IInternetHostSecurityManager(iface);
  80     const WCHAR *url;
  81
  82     TRACE("(%p)->(%d %p %d %p %d %x %x)\n", This, dwAction, pPolicy, cbPolicy, pContext, cbContext, dwFlags, dwReserved);
  83
  84     url = This->basedoc.window->url ? This->basedoc.window->url : about_blankW;
  85
  86     return IInternetSecurityManager_ProcessUrlAction(This->basedoc.window->secmgr, url, dwAction, pPolicy, cbPolicy,
  87             pContext, cbContext, dwFlags, dwReserved);
  88 }
  89
  90 static HRESULT confirm_safety_load(HTMLDocumentNode *This, struct CONFIRMSAFETY *cs, DWORD *ret)
  91 {
  92     IObjectSafety *obj_safety;
  93     HRESULT hres;
  94
  95     hres = IUnknown_QueryInterface(cs->pUnk, &IID_IObjectSafety, (void**)&obj_safety);
  96     if(SUCCEEDED(hres)) {
  97         hres = IObjectSafety_SetInterfaceSafetyOptions(obj_safety, &IID_IDispatch,
  98                 INTERFACESAFE_FOR_UNTRUSTED_DATA, INTERFACESAFE_FOR_UNTRUSTED_DATA);
  99         IObjectSafety_Release(obj_safety);
 100         *ret = SUCCEEDED(hres) ? URLPOLICY_ALLOW : URLPOLICY_DISALLOW;
 101     }else {
 102         CATID init_catid = CATID_SafeForInitializing;
 103
 104         hres = ICatInformation_IsClassOfCategories(This->catmgr, &cs->clsid, 1, &init_catid, 0, NULL);
 105         if(FAILED(hres))
 106             return hres;
 107
 108         *ret = hres == S_OK ? URLPOLICY_ALLOW : URLPOLICY_DISALLOW;
 109     }
 110
 111     return S_OK;
 112 }
 113
 114 static HRESULT confirm_safety(HTMLDocumentNode *This, const WCHAR *url, struct CONFIRMSAFETY *cs, DWORD *ret)
 115 {
 116     DWORD policy, enabled_opts, supported_opts;
 117     IObjectSafety *obj_safety;
 118     HRESULT hres;
 119
 120     TRACE("%s %p %s\n", debugstr_w(url), cs->pUnk, debugstr_guid(&cs->clsid));
 121
 122     /* FIXME: Check URLACTION_ACTIVEX_OVERRIDE_SCRIPT_SAFETY */
 123
 124     hres = IInternetSecurityManager_ProcessUrlAction(This->basedoc.window->secmgr, url, URLACTION_SCRIPT_SAFE_ACTIVEX,
 125             (BYTE*)&policy, sizeof(policy), NULL, 0, 0, 0);
 126     if(FAILED(hres) || policy != URLPOLICY_ALLOW) {
 127         *ret = URLPOLICY_DISALLOW;
 128         return S_OK;
 129     }
 130
 131     hres = IUnknown_QueryInterface(cs->pUnk, &IID_IObjectSafety, (void**)&obj_safety);
 132     if(SUCCEEDED(hres)) {
 133         hres = IObjectSafety_GetInterfaceSafetyOptions(obj_safety, &IID_IDispatchEx, &supported_opts, &enabled_opts);
 134         if(FAILED(hres))
 135             supported_opts = 0;
 136
 137         enabled_opts = INTERFACESAFE_FOR_UNTRUSTED_CALLER;
 138         if(supported_opts & INTERFACE_USES_SECURITY_MANAGER)
 139             enabled_opts |= INTERFACE_USES_SECURITY_MANAGER;
 140
 141         hres = IObjectSafety_SetInterfaceSafetyOptions(obj_safety, &IID_IDispatchEx, enabled_opts, enabled_opts);
 142         if(FAILED(hres)) {
 143             enabled_opts &= ~INTERFACE_USES_SECURITY_MANAGER;
 144             hres = IObjectSafety_SetInterfaceSafetyOptions(obj_safety, &IID_IDispatch, enabled_opts, enabled_opts);
 145         }
 146         IObjectSafety_Release(obj_safety);
 147
 148         if(FAILED(hres)) {
 149             *ret = URLPOLICY_DISALLOW;
 150             return S_OK;
 151         }
 152     }else {
 153         CATID scripting_catid = CATID_SafeForScripting;
 154
 155         if(!This->catmgr) {
 156             hres = CoCreateInstance(&CLSID_StdComponentCategoriesMgr, NULL, CLSCTX_INPROC_SERVER,
 157                     &IID_ICatInformation, (void**)&This->catmgr);
 158             if(FAILED(hres))
 159                 return hres;
 160         }
 161
 162         hres = ICatInformation_IsClassOfCategories(This->catmgr, &cs->clsid, 1, &scripting_catid, 0, NULL);
 163         if(FAILED(hres))
 164             return hres;
 165
 166         if(hres != S_OK) {
 167             *ret = URLPOLICY_DISALLOW;
 168             return S_OK;
 169         }
 170     }
 171
 172     if(cs->dwFlags & CONFIRMSAFETYACTION_LOADOBJECT)
 173         return confirm_safety_load(This, cs, ret);
 174
 175     *ret = URLPOLICY_ALLOW;
 176     return S_OK;
 177 }
 178
 179 static HRESULT WINAPI InternetHostSecurityManager_QueryCustomPolicy(IInternetHostSecurityManager *iface, REFGUID guidKey,
 180         BYTE **ppPolicy, DWORD *pcbPolicy, BYTE *pContext, DWORD cbContext, DWORD dwReserved)
 181 {
 182     HTMLDocumentNode *This = impl_from_IInternetHostSecurityManager(iface);
 183     const WCHAR *url;
 184     HRESULT hres;
 185
 186     TRACE("(%p)->(%s %p %p %p %d %x)\n", This, debugstr_guid(guidKey), ppPolicy, pcbPolicy, pContext, cbContext, dwReserved);
 187
 188     url = This->basedoc.window->url ? This->basedoc.window->url : about_blankW;
 189
 190     hres = IInternetSecurityManager_QueryCustomPolicy(This->basedoc.window->secmgr, url, guidKey, ppPolicy, pcbPolicy,
 191             pContext, cbContext, dwReserved);
 192     if(hres != HRESULT_FROM_WIN32(ERROR_NOT_FOUND))
 193         return hres;
 194
 195     if(IsEqualGUID(&GUID_CUSTOM_CONFIRMOBJECTSAFETY, guidKey)) {
 196         IActiveScript *active_script;
 197         struct CONFIRMSAFETY *cs;
 198         DWORD policy;
 199
 200         if(cbContext != sizeof(struct CONFIRMSAFETY)) {
 201             FIXME("wrong context size\n");
 202             return E_FAIL;
 203         }
 204
 205         cs = (struct CONFIRMSAFETY*)pContext;
 206         TRACE("cs = {%s %p %x}\n", debugstr_guid(&cs->clsid), cs->pUnk, cs->dwFlags);
 207
 208         hres = IUnknown_QueryInterface(cs->pUnk, &IID_IActiveScript, (void**)&active_script);
 209         if(SUCCEEDED(hres)) {
 210             FIXME("Got IAciveScript iface\n");
 211             IActiveScript_Release(active_script);
 212             return E_FAIL;
 213         }
 214
 215         hres = confirm_safety(This, url, cs, &policy);
 216         if(FAILED(hres))
 217             return hres;
 218
 219         *ppPolicy = CoTaskMemAlloc(sizeof(policy));
 220         if(!*ppPolicy)
 221             return E_OUTOFMEMORY;
 222
 223         *(DWORD*)*ppPolicy = policy;
 224         *pcbPolicy = sizeof(policy);
 225         TRACE("policy %x\n", policy);
 226         return S_OK;
 227     }
 228
 229     FIXME("Unknown guidKey %s\n", debugstr_guid(guidKey));
 230     return hres;
 231 }
 232
 233 static const IInternetHostSecurityManagerVtbl InternetHostSecurityManagerVtbl = {
 234     InternetHostSecurityManager_QueryInterface,
 235     InternetHostSecurityManager_AddRef,
 236     InternetHostSecurityManager_Release,
 237     InternetHostSecurityManager_GetSecurityId,
 238     InternetHostSecurityManager_ProcessUrlAction,
 239     InternetHostSecurityManager_QueryCustomPolicy
 240 };
 241
 242 void HTMLDocumentNode_SecMgr_Init(HTMLDocumentNode *This)
 243 {
 244     This->IInternetHostSecurityManager_iface.lpVtbl = &InternetHostSecurityManagerVtbl;
 245 }