dlls/itss/protocol.c

   1 /*
   2  * Copyright 2006-2007 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 <stdarg.h>
  20
  21 #define COBJMACROS
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "winreg.h"
  27 #include "ole2.h"
  28 #include "urlmon.h"
  29 #include "shlwapi.h"
  30 #include "itsstor.h"
  31 #include "chm_lib.h"
  32
  33 #include "wine/debug.h"
  34 #include "wine/unicode.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(itss);
  37
  38 typedef struct {
  39     IInternetProtocol     IInternetProtocol_iface;
  40     IInternetProtocolInfo IInternetProtocolInfo_iface;
  41
  42     LONG ref;
  43
  44     ULONG offset;
  45     struct chmFile *chm_file;
  46     struct chmUnitInfo chm_object;
  47 } ITSProtocol;
  48
  49 static inline ITSProtocol *impl_from_IInternetProtocol(IInternetProtocol *iface)
  50 {
  51     return CONTAINING_RECORD(iface, ITSProtocol, IInternetProtocol_iface);
  52 }
  53
  54 static inline ITSProtocol *impl_from_IInternetProtocolInfo(IInternetProtocolInfo *iface)
  55 {
  56     return CONTAINING_RECORD(iface, ITSProtocol, IInternetProtocolInfo_iface);
  57 }
  58
  59 static void release_chm(ITSProtocol *This)
  60 {
  61     if(This->chm_file) {
  62         chm_close(This->chm_file);
  63         This->chm_file = NULL;
  64     }
  65     This->offset = 0;
  66 }
  67
  68 static HRESULT WINAPI ITSProtocol_QueryInterface(IInternetProtocol *iface, REFIID riid, void **ppv)
  69 {
  70     ITSProtocol *This = impl_from_IInternetProtocol(iface);
  71
  72     *ppv = NULL;
  73     if(IsEqualGUID(&IID_IUnknown, riid)) {
  74         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
  75         *ppv = &This->IInternetProtocol_iface;
  76     }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
  77         TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
  78         *ppv = &This->IInternetProtocol_iface;
  79     }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
  80         TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
  81         *ppv = &This->IInternetProtocol_iface;
  82     }else if(IsEqualGUID(&IID_IInternetProtocolInfo, riid)) {
  83         TRACE("(%p)->(IID_IInternetProtocolInfo %p)\n", This, ppv);
  84         *ppv = &This->IInternetProtocolInfo_iface;
  85     }
  86
  87     if(*ppv) {
  88         IInternetProtocol_AddRef(iface);
  89         return S_OK;
  90     }
  91
  92     WARN("not supported interface %s\n", debugstr_guid(riid));
  93     return E_NOINTERFACE;
  94 }
  95
  96 static ULONG WINAPI ITSProtocol_AddRef(IInternetProtocol *iface)
  97 {
  98     ITSProtocol *This = impl_from_IInternetProtocol(iface);
  99     LONG ref = InterlockedIncrement(&This->ref);
 100     TRACE("(%p) ref=%d\n", This, ref);
 101     return ref;
 102 }
 103
 104 static ULONG WINAPI ITSProtocol_Release(IInternetProtocol *iface)
 105 {
 106     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 107     LONG ref = InterlockedDecrement(&This->ref);
 108
 109     TRACE("(%p) ref=%d\n", This, ref);
 110
 111     if(!ref) {
 112         release_chm(This);
 113         HeapFree(GetProcessHeap(), 0, This);
 114
 115         ITSS_UnlockModule();
 116     }
 117
 118     return ref;
 119 }
 120
 121 static LPCWSTR skip_schema(LPCWSTR url)
 122 {
 123     static const WCHAR its_schema[] = {'i','t','s',':'};
 124     static const WCHAR msits_schema[] = {'m','s','-','i','t','s',':'};
 125     static const WCHAR mk_schema[] = {'m','k',':','@','M','S','I','T','S','t','o','r','e',':'};
 126
 127     if(!strncmpiW(its_schema, url, sizeof(its_schema)/sizeof(WCHAR)))
 128         return url+sizeof(its_schema)/sizeof(WCHAR);
 129     if(!strncmpiW(msits_schema, url, sizeof(msits_schema)/sizeof(WCHAR)))
 130         return url+sizeof(msits_schema)/sizeof(WCHAR);
 131     if(!strncmpiW(mk_schema, url, sizeof(mk_schema)/sizeof(WCHAR)))
 132         return url+sizeof(mk_schema)/sizeof(WCHAR);
 133
 134     return NULL;
 135 }
 136
 137 /* Adopted from urlmon */
 138 static void remove_dot_segments(WCHAR *path) {
 139     const WCHAR *in = path;
 140     WCHAR *out = path;
 141
 142     while(1) {
 143         /* Move the first path segment in the input buffer to the end of
 144          * the output buffer, and any subsequent characters up to, including
 145          * the next "/" character (if any) or the end of the input buffer.
 146          */
 147         while(*in != '/') {
 148             if(!(*out++ = *in++))
 149                 return;
 150         }
 151
 152         *out++ = *in++;
 153
 154         while(*in) {
 155             if(*in != '.')
 156                 break;
 157
 158             /* Handle ending "/." */
 159             if(!in[1]) {
 160                 ++in;
 161                 break;
 162             }
 163
 164             /* Handle "/./" */
 165             if(in[1] == '/') {
 166                 in += 2;
 167                 continue;
 168             }
 169
 170             /* If we don't have "/../" or ending "/.." */
 171             if(in[1] != '.' || (in[2] && in[2] != '/'))
 172                 break;
 173
 174             in += *in ? 3 : 2;
 175
 176             /* Find the slash preceding out pointer and move out pointer to it */
 177             if(out > path+1 && *--out == '/')
 178                 --out;
 179             while(out > path && *(--out) != '/');
 180             if(*out == '/')
 181                 ++out;
 182         }
 183     }
 184 }
 185
 186 static HRESULT report_result(IInternetProtocolSink *sink, HRESULT hres)
 187 {
 188     IInternetProtocolSink_ReportResult(sink, hres, 0, NULL);
 189     return hres;
 190 }
 191
 192 static HRESULT WINAPI ITSProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
 193         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
 194         DWORD grfPI, HANDLE_PTR dwReserved)
 195 {
 196     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 197     BINDINFO bindinfo;
 198     DWORD bindf = 0, len;
 199     LPWSTR file_name, mime, object_name, p;
 200     LPCWSTR ptr;
 201     struct chmFile *chm_file;
 202     struct chmUnitInfo chm_object;
 203     int res;
 204     HRESULT hres;
 205
 206     static const WCHAR separator[] = {':',':',0};
 207
 208     TRACE("(%p)->(%s %p %p %08x %lx)\n", This, debugstr_w(szUrl), pOIProtSink,
 209             pOIBindInfo, grfPI, dwReserved);
 210
 211     ptr = skip_schema(szUrl);
 212     if(!ptr)
 213         return INET_E_USE_DEFAULT_PROTOCOLHANDLER;
 214
 215     memset(&bindinfo, 0, sizeof(bindinfo));
 216     bindinfo.cbSize = sizeof(BINDINFO);
 217     hres = IInternetBindInfo_GetBindInfo(pOIBindInfo, &bindf, &bindinfo);
 218     if(FAILED(hres)) {
 219         WARN("GetBindInfo failed: %08x\n", hres);
 220         return hres;
 221     }
 222
 223     ReleaseBindInfo(&bindinfo);
 224
 225     len = strlenW(ptr)+3;
 226     file_name = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 227     memcpy(file_name, ptr, len*sizeof(WCHAR));
 228     hres = UrlUnescapeW(file_name, NULL, &len, URL_UNESCAPE_INPLACE);
 229     if(FAILED(hres)) {
 230         WARN("UrlUnescape failed: %08x\n", hres);
 231         HeapFree(GetProcessHeap(), 0, file_name);
 232         return hres;
 233     }
 234
 235     p = strstrW(file_name, separator);
 236     if(!p) {
 237         WARN("invalid url\n");
 238         HeapFree(GetProcessHeap(), 0, file_name);
 239         return report_result(pOIProtSink, STG_E_FILENOTFOUND);
 240     }
 241
 242     *p = 0;
 243     chm_file = chm_openW(file_name);
 244     if(!chm_file) {
 245         WARN("Could not open chm file\n");
 246         HeapFree(GetProcessHeap(), 0, file_name);
 247         return report_result(pOIProtSink, STG_E_FILENOTFOUND);
 248     }
 249
 250     object_name = p+2;
 251     len = strlenW(object_name);
 252
 253     if(*object_name != '/' && *object_name != '\\') {
 254         memmove(object_name+1, object_name, (len+1)*sizeof(WCHAR));
 255         *object_name = '/';
 256         len++;
 257     }
 258
 259     if(object_name[len-1] == '/')
 260         object_name[--len] = 0;
 261
 262     for(p=object_name; *p; p++) {
 263         if(*p == '\\')
 264             *p = '/';
 265     }
 266
 267     remove_dot_segments(object_name);
 268
 269     TRACE("Resolving %s\n", debugstr_w(object_name));
 270
 271     memset(&chm_object, 0, sizeof(chm_object));
 272     res = chm_resolve_object(chm_file, object_name, &chm_object);
 273     if(res != CHM_RESOLVE_SUCCESS) {
 274         WARN("Could not resolve chm object\n");
 275         HeapFree(GetProcessHeap(), 0, file_name);
 276         chm_close(chm_file);
 277         return report_result(pOIProtSink, STG_E_FILENOTFOUND);
 278     }
 279
 280     IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_SENDINGREQUEST,
 281                                          strrchrW(object_name, '/')+1);
 282
 283     /* FIXME: Native doesn't use FindMimeFromData */
 284     hres = FindMimeFromData(NULL, object_name, NULL, 0, NULL, 0, &mime, 0);
 285     HeapFree(GetProcessHeap(), 0, file_name);
 286     if(SUCCEEDED(hres)) {
 287         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_MIMETYPEAVAILABLE, mime);
 288         CoTaskMemFree(mime);
 289     }
 290
 291     release_chm(This); /* Native leaks handle here */
 292     This->chm_file = chm_file;
 293     This->chm_object = chm_object;
 294
 295     hres = IInternetProtocolSink_ReportData(pOIProtSink,
 296             BSCF_FIRSTDATANOTIFICATION|BSCF_DATAFULLYAVAILABLE,
 297             chm_object.length, chm_object.length);
 298     if(FAILED(hres)) {
 299         WARN("ReportData failed: %08x\n", hres);
 300         release_chm(This);
 301         return report_result(pOIProtSink, hres);
 302     }
 303
 304     hres = IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_BEGINDOWNLOADDATA, NULL);
 305
 306     return report_result(pOIProtSink, hres);
 307 }
 308
 309 static HRESULT WINAPI ITSProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 310 {
 311     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 312     FIXME("(%p)->(%p)\n", This, pProtocolData);
 313     return E_NOTIMPL;
 314 }
 315
 316 static HRESULT WINAPI ITSProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
 317         DWORD dwOptions)
 318 {
 319     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 320     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 321     return E_NOTIMPL;
 322 }
 323
 324 static HRESULT WINAPI ITSProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 325 {
 326     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 327
 328     TRACE("(%p)->(%08x)\n", This, dwOptions);
 329
 330     return S_OK;
 331 }
 332
 333 static HRESULT WINAPI ITSProtocol_Suspend(IInternetProtocol *iface)
 334 {
 335     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 336     FIXME("(%p)\n", This);
 337     return E_NOTIMPL;
 338 }
 339
 340 static HRESULT WINAPI ITSProtocol_Resume(IInternetProtocol *iface)
 341 {
 342     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 343     FIXME("(%p)\n", This);
 344     return E_NOTIMPL;
 345 }
 346
 347 static HRESULT WINAPI ITSProtocol_Read(IInternetProtocol *iface, void *pv,
 348         ULONG cb, ULONG *pcbRead)
 349 {
 350     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 351
 352     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 353
 354     if(!This->chm_file)
 355         return INET_E_DATA_NOT_AVAILABLE;
 356
 357     *pcbRead = chm_retrieve_object(This->chm_file, &This->chm_object, pv, This->offset, cb);
 358     This->offset += *pcbRead;
 359
 360     return *pcbRead ? S_OK : S_FALSE;
 361 }
 362
 363 static HRESULT WINAPI ITSProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
 364         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 365 {
 366     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 367     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 368     return E_NOTIMPL;
 369 }
 370
 371 static HRESULT WINAPI ITSProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
 372 {
 373     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 374
 375     TRACE("(%p)->(%08x)\n", This, dwOptions);
 376
 377     return S_OK;
 378 }
 379
 380 static HRESULT WINAPI ITSProtocol_UnlockRequest(IInternetProtocol *iface)
 381 {
 382     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 383
 384     TRACE("(%p)\n", This);
 385
 386     return S_OK;
 387 }
 388
 389 static const IInternetProtocolVtbl ITSProtocolVtbl = {
 390     ITSProtocol_QueryInterface,
 391     ITSProtocol_AddRef,
 392     ITSProtocol_Release,
 393     ITSProtocol_Start,
 394     ITSProtocol_Continue,
 395     ITSProtocol_Abort,
 396     ITSProtocol_Terminate,
 397     ITSProtocol_Suspend,
 398     ITSProtocol_Resume,
 399     ITSProtocol_Read,
 400     ITSProtocol_Seek,
 401     ITSProtocol_LockRequest,
 402     ITSProtocol_UnlockRequest
 403 };
 404
 405 static HRESULT WINAPI ITSProtocolInfo_QueryInterface(IInternetProtocolInfo *iface,
 406                                               REFIID riid, void **ppv)
 407 {
 408     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 409     return IInternetProtocol_QueryInterface(&This->IInternetProtocol_iface, riid, ppv);
 410 }
 411
 412 static ULONG WINAPI ITSProtocolInfo_AddRef(IInternetProtocolInfo *iface)
 413 {
 414     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 415     return IInternetProtocol_AddRef(&This->IInternetProtocol_iface);
 416 }
 417
 418 static ULONG WINAPI ITSProtocolInfo_Release(IInternetProtocolInfo *iface)
 419 {
 420     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 421     return IInternetProtocol_Release(&This->IInternetProtocol_iface);
 422 }
 423
 424 static HRESULT WINAPI ITSProtocolInfo_ParseUrl(IInternetProtocolInfo *iface, LPCWSTR pwzUrl,
 425         PARSEACTION ParseAction, DWORD dwParseFlags, LPWSTR pwzResult, DWORD cchResult,
 426         DWORD *pcchResult, DWORD dwReserved)
 427 {
 428     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 429
 430     TRACE("(%p)->(%s %x %08x %p %d %p %d)\n", This, debugstr_w(pwzUrl), ParseAction,
 431           dwParseFlags, pwzResult, cchResult, pcchResult, dwReserved);
 432
 433     switch(ParseAction) {
 434     case PARSE_CANONICALIZE:
 435         FIXME("PARSE_CANONICALIZE\n");
 436         return E_NOTIMPL;
 437     case PARSE_SECURITY_URL:
 438         FIXME("PARSE_SECURITY_URL\n");
 439         return E_NOTIMPL;
 440     default:
 441         return INET_E_DEFAULT_ACTION;
 442     }
 443
 444     return S_OK;
 445 }
 446
 447 static HRESULT WINAPI ITSProtocolInfo_CombineUrl(IInternetProtocolInfo *iface,
 448         LPCWSTR pwzBaseUrl, LPCWSTR pwzRelativeUrl, DWORD dwCombineFlags, LPWSTR pwzResult,
 449         DWORD cchResult, DWORD* pcchResult, DWORD dwReserved)
 450 {
 451     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 452     LPCWSTR base_end, ptr;
 453     DWORD rel_len;
 454
 455     static const WCHAR separator[] = {':',':',0};
 456
 457     TRACE("(%p)->(%s %s %08x %p %d %p %d)\n", This, debugstr_w(pwzBaseUrl),
 458             debugstr_w(pwzRelativeUrl), dwCombineFlags, pwzResult, cchResult,
 459             pcchResult, dwReserved);
 460
 461     base_end = strstrW(pwzBaseUrl, separator);
 462     if(!base_end)
 463         return 0x80041001;
 464     base_end += 2;
 465
 466     if(!skip_schema(pwzBaseUrl))
 467         return INET_E_USE_DEFAULT_PROTOCOLHANDLER;
 468
 469     if(strchrW(pwzRelativeUrl, ':'))
 470         return STG_E_INVALIDNAME;
 471
 472     if(pwzRelativeUrl[0] == '#') {
 473         base_end += strlenW(base_end);
 474     }else if(pwzRelativeUrl[0] != '/') {
 475         ptr = strrchrW(base_end, '/');
 476         if(ptr)
 477             base_end = ptr+1;
 478         else
 479             base_end += strlenW(base_end);
 480     }
 481
 482     rel_len = strlenW(pwzRelativeUrl)+1;
 483
 484     *pcchResult = rel_len + (base_end-pwzBaseUrl);
 485
 486     if(*pcchResult > cchResult)
 487         return E_OUTOFMEMORY;
 488
 489     memcpy(pwzResult, pwzBaseUrl, (base_end-pwzBaseUrl)*sizeof(WCHAR));
 490     strcpyW(pwzResult + (base_end-pwzBaseUrl), pwzRelativeUrl);
 491
 492     return S_OK;
 493 }
 494
 495 static HRESULT WINAPI ITSProtocolInfo_CompareUrl(IInternetProtocolInfo *iface, LPCWSTR pwzUrl1,
 496         LPCWSTR pwzUrl2, DWORD dwCompareFlags)
 497 {
 498     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 499     FIXME("%p)->(%s %s %08x)\n", This, debugstr_w(pwzUrl1), debugstr_w(pwzUrl2), dwCompareFlags);
 500     return E_NOTIMPL;
 501 }
 502
 503 static HRESULT WINAPI ITSProtocolInfo_QueryInfo(IInternetProtocolInfo *iface, LPCWSTR pwzUrl,
 504         QUERYOPTION QueryOption, DWORD dwQueryFlags, LPVOID pBuffer, DWORD cbBuffer, DWORD* pcbBuf,
 505         DWORD dwReserved)
 506 {
 507     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 508     FIXME("(%p)->(%s %08x %08x %p %d %p %d)\n", This, debugstr_w(pwzUrl), QueryOption,
 509           dwQueryFlags, pBuffer, cbBuffer, pcbBuf, dwReserved);
 510     return E_NOTIMPL;
 511 }
 512
 513 static const IInternetProtocolInfoVtbl ITSProtocolInfoVtbl = {
 514     ITSProtocolInfo_QueryInterface,
 515     ITSProtocolInfo_AddRef,
 516     ITSProtocolInfo_Release,
 517     ITSProtocolInfo_ParseUrl,
 518     ITSProtocolInfo_CombineUrl,
 519     ITSProtocolInfo_CompareUrl,
 520     ITSProtocolInfo_QueryInfo
 521 };
 522
 523 HRESULT ITSProtocol_create(IUnknown *pUnkOuter, LPVOID *ppobj)
 524 {
 525     ITSProtocol *ret;
 526
 527     TRACE("(%p %p)\n", pUnkOuter, ppobj);
 528
 529     ITSS_LockModule();
 530
 531     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ITSProtocol));
 532
 533     ret->IInternetProtocol_iface.lpVtbl = &ITSProtocolVtbl;
 534     ret->IInternetProtocolInfo_iface.lpVtbl = &ITSProtocolInfoVtbl;
 535     ret->ref = 1;
 536
 537     *ppobj = &ret->IInternetProtocol_iface;
 538
 539     return S_OK;
 540 }