dll/win32/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 #define HOSTSECMGR_THIS(iface) DEFINE_THIS(HTMLDocumentNode, IInternetHostSecurityManager, iface)
  46
  47 static HRESULT WINAPI InternetHostSecurityManager_QueryInterface(IInternetHostSecurityManager *iface, REFIID riid, void **ppv)
  48 {
  49     HTMLDocumentNode *This = HOSTSECMGR_THIS(iface);
  50     return IHTMLDOMNode_QueryInterface(HTMLDOMNODE(&This->node), riid, ppv);
  51 }
  52
  53 static ULONG WINAPI InternetHostSecurityManager_AddRef(IInternetHostSecurityManager *iface)
  54 {
  55     HTMLDocumentNode *This = HOSTSECMGR_THIS(iface);
  56     return IHTMLDOMNode_AddRef(HTMLDOMNODE(&This->node));
  57 }
  58
  59 static ULONG WINAPI InternetHostSecurityManager_Release(IInternetHostSecurityManager *iface)
  60 {
  61     HTMLDocumentNode *This = HOSTSECMGR_THIS(iface);
  62     return IHTMLDOMNode_Release(HTMLDOMNODE(&This->node));
  63 }
  64
  65 static HRESULT WINAPI InternetHostSecurityManager_GetSecurityId(IInternetHostSecurityManager *iface,  BYTE *pbSecurityId,
  66         DWORD *pcbSecurityId, DWORD_PTR dwReserved)
  67 {
  68     HTMLDocumentNode *This = HOSTSECMGR_THIS(iface);
  69     FIXME("(%p)->(%p %p %lx)\n", This, pbSecurityId, pcbSecurityId, dwReserved);
  70     return E_NOTIMPL;
  71 }
  72
  73 static HRESULT WINAPI InternetHostSecurityManager_ProcessUrlAction(IInternetHostSecurityManager *iface, DWORD dwAction,
  74         BYTE *pPolicy, DWORD cbPolicy, BYTE *pContext, DWORD cbContext, DWORD dwFlags, DWORD dwReserved)
  75 {
  76     HTMLDocumentNode *This = HOSTSECMGR_THIS(iface);
  77     const WCHAR *url;
  78
  79     TRACE("(%p)->(%d %p %d %p %d %x %x)\n", This, dwAction, pPolicy, cbPolicy, pContext, cbContext, dwFlags, dwReserved);
  80
  81     url = This->basedoc.window->url ? This->basedoc.window->url : about_blankW;
  82
  83     return IInternetSecurityManager_ProcessUrlAction(This->secmgr, url, dwAction, pPolicy, cbPolicy,
  84             pContext, cbContext, dwFlags, dwReserved);
  85 }
  86
  87 static HRESULT confirm_safety(HTMLDocumentNode *This, const WCHAR *url, struct CONFIRMSAFETY *cs, DWORD *ret)
  88 {
  89     DWORD policy, enabled_opts, supported_opts;
  90     IObjectSafety *obj_safety;
  91     HRESULT hres;
  92
  93     /* FIXME: Check URLACTION_ACTIVEX_OVERRIDE_SCRIPT_SAFETY */
  94
  95     hres = IInternetSecurityManager_ProcessUrlAction(This->secmgr, url, URLACTION_SCRIPT_SAFE_ACTIVEX,
  96             (BYTE*)&policy, sizeof(policy), NULL, 0, 0, 0);
  97     if(FAILED(hres) || policy != URLPOLICY_ALLOW) {
  98         *ret = URLPOLICY_DISALLOW;
  99         return S_OK;
 100     }
 101
 102     hres = IUnknown_QueryInterface(cs->pUnk, &IID_IObjectSafety, (void**)&obj_safety);
 103     if(FAILED(hres)) {
 104         CATID scripting_catid = CATID_SafeForScripting;
 105
 106         if(!This->catmgr) {
 107             hres = CoCreateInstance(&CLSID_StdComponentCategoriesMgr, NULL, CLSCTX_INPROC_SERVER,
 108                     &IID_ICatInformation, (void**)&This->catmgr);
 109             if(FAILED(hres))
 110                 return hres;
 111         }
 112
 113         hres = ICatInformation_IsClassOfCategories(This->catmgr, &cs->clsid, 1, &scripting_catid, 0, NULL);
 114         if(FAILED(hres))
 115             return hres;
 116
 117         *ret = hres == S_OK ? URLPOLICY_ALLOW : URLPOLICY_DISALLOW;
 118         return S_OK;
 119     }
 120
 121     hres = IObjectSafety_GetInterfaceSafetyOptions(obj_safety, &IID_IDispatchEx, &supported_opts, &enabled_opts);
 122     if(SUCCEEDED(hres)) {
 123         enabled_opts = INTERFACESAFE_FOR_UNTRUSTED_CALLER;
 124         if(supported_opts & INTERFACE_USES_SECURITY_MANAGER)
 125             enabled_opts |= INTERFACE_USES_SECURITY_MANAGER;
 126         hres = IObjectSafety_SetInterfaceSafetyOptions(obj_safety, &IID_IDispatchEx, enabled_opts, enabled_opts);
 127     }
 128     IObjectSafety_Release(obj_safety);
 129
 130     *ret = SUCCEEDED(hres) ? URLPOLICY_ALLOW : URLPOLICY_DISALLOW;
 131     return S_OK;
 132 }
 133
 134 static HRESULT WINAPI InternetHostSecurityManager_QueryCustomPolicy(IInternetHostSecurityManager *iface, REFGUID guidKey,
 135         BYTE **ppPolicy, DWORD *pcbPolicy, BYTE *pContext, DWORD cbContext, DWORD dwReserved)
 136 {
 137     HTMLDocumentNode *This = HOSTSECMGR_THIS(iface);
 138     const WCHAR *url;
 139     HRESULT hres;
 140
 141     TRACE("(%p)->(%s %p %p %p %d %x)\n", This, debugstr_guid(guidKey), ppPolicy, pcbPolicy, pContext, cbContext, dwReserved);
 142
 143     url = This->basedoc.window->url ? This->basedoc.window->url : about_blankW;
 144
 145     hres = IInternetSecurityManager_QueryCustomPolicy(This->secmgr, url, guidKey, ppPolicy, pcbPolicy,
 146             pContext, cbContext, dwReserved);
 147     if(hres != HRESULT_FROM_WIN32(ERROR_NOT_FOUND))
 148         return hres;
 149
 150     if(IsEqualGUID(&GUID_CUSTOM_CONFIRMOBJECTSAFETY, guidKey)) {
 151         IActiveScript *active_script;
 152         struct CONFIRMSAFETY *cs;
 153         DWORD policy;
 154
 155         if(cbContext != sizeof(struct CONFIRMSAFETY)) {
 156             FIXME("wrong context size\n");
 157             return E_FAIL;
 158         }
 159
 160         cs = (struct CONFIRMSAFETY*)pContext;
 161         hres = IUnknown_QueryInterface(cs->pUnk, &IID_IActiveScript, (void**)&active_script);
 162         if(SUCCEEDED(hres)) {
 163             FIXME("Got IAciveScript iface\n");
 164             IActiveScript_Release(active_script);
 165             return E_FAIL;
 166         }
 167
 168         hres = confirm_safety(This, url, cs, &policy);
 169         if(FAILED(hres))
 170             return hres;
 171
 172         *ppPolicy = CoTaskMemAlloc(sizeof(policy));
 173         if(!*ppPolicy)
 174             return E_OUTOFMEMORY;
 175
 176         *(DWORD*)*ppPolicy = policy;
 177         *pcbPolicy = sizeof(policy);
 178         return S_OK;
 179     }
 180
 181     FIXME("Unknown guidKey %s\n", debugstr_guid(guidKey));
 182     return hres;
 183 }
 184
 185 #undef HOSTSECMGR_THIS
 186
 187 static const IInternetHostSecurityManagerVtbl InternetHostSecurityManagerVtbl = {
 188     InternetHostSecurityManager_QueryInterface,
 189     InternetHostSecurityManager_AddRef,
 190     InternetHostSecurityManager_Release,
 191     InternetHostSecurityManager_GetSecurityId,
 192     InternetHostSecurityManager_ProcessUrlAction,
 193     InternetHostSecurityManager_QueryCustomPolicy
 194 };
 195
 196 void HTMLDocumentNode_SecMgr_Init(HTMLDocumentNode *This)
 197 {
 198     This->lpIInternetHostSecurityManagerVtbl = &InternetHostSecurityManagerVtbl;
 199 }