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     IUnknown              IUnknown_inner;
  40     IInternetProtocol     IInternetProtocol_iface;
  41     IInternetProtocolInfo IInternetProtocolInfo_iface;
  42
  43     LONG ref;
  44     IUnknown *outer;
  45
  46     ULONG offset;
  47     struct chmFile *chm_file;
  48     struct chmUnitInfo chm_object;
  49 } ITSProtocol;
  50
  51 static inline ITSProtocol *impl_from_IUnknown(IUnknown *iface)
  52 {
  53     return CONTAINING_RECORD(iface, ITSProtocol, IUnknown_inner);
  54 }
  55
  56 static inline ITSProtocol *impl_from_IInternetProtocol(IInternetProtocol *iface)
  57 {
  58     return CONTAINING_RECORD(iface, ITSProtocol, IInternetProtocol_iface);
  59 }
  60
  61 static inline ITSProtocol *impl_from_IInternetProtocolInfo(IInternetProtocolInfo *iface)
  62 {
  63     return CONTAINING_RECORD(iface, ITSProtocol, IInternetProtocolInfo_iface);
  64 }
  65
  66 static void release_chm(ITSProtocol *This)
  67 {
  68     if(This->chm_file) {
  69         chm_close(This->chm_file);
  70         This->chm_file = NULL;
  71     }
  72     This->offset = 0;
  73 }
  74
  75 static HRESULT WINAPI ITSProtocol_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
  76 {
  77     ITSProtocol *This = impl_from_IUnknown(iface);
  78
  79     if(IsEqualGUID(&IID_IUnknown, riid)) {
  80         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
  81         *ppv = &This->IUnknown_inner;
  82     }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) {
  83         TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv);
  84         *ppv = &This->IInternetProtocol_iface;
  85     }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) {
  86         TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv);
  87         *ppv = &This->IInternetProtocol_iface;
  88     }else if(IsEqualGUID(&IID_IInternetProtocolInfo, riid)) {
  89         TRACE("(%p)->(IID_IInternetProtocolInfo %p)\n", This, ppv);
  90         *ppv = &This->IInternetProtocolInfo_iface;
  91     }else {
  92         *ppv = NULL;
  93         WARN("not supported interface %s\n", debugstr_guid(riid));
  94         return E_NOINTERFACE;
  95     }
  96
  97     IUnknown_AddRef((IUnknown*)*ppv);
  98     return S_OK;
  99 }
 100
 101 static ULONG WINAPI ITSProtocol_AddRef(IUnknown *iface)
 102 {
 103     ITSProtocol *This = impl_from_IUnknown(iface);
 104     LONG ref = InterlockedIncrement(&This->ref);
 105     TRACE("(%p) ref=%d\n", This, ref);
 106     return ref;
 107 }
 108
 109 static ULONG WINAPI ITSProtocol_Release(IUnknown *iface)
 110 {
 111     ITSProtocol *This = impl_from_IUnknown(iface);
 112     LONG ref = InterlockedDecrement(&This->ref);
 113
 114     TRACE("(%p) ref=%d\n", This, ref);
 115
 116     if(!ref) {
 117         release_chm(This);
 118         HeapFree(GetProcessHeap(), 0, This);
 119
 120         ITSS_UnlockModule();
 121     }
 122
 123     return ref;
 124 }
 125
 126 static const IUnknownVtbl ITSProtocolUnkVtbl = {
 127     ITSProtocol_QueryInterface,
 128     ITSProtocol_AddRef,
 129     ITSProtocol_Release
 130 };
 131
 132 static HRESULT WINAPI ITSInternetProtocol_QueryInterface(IInternetProtocol *iface, REFIID riid, void **ppv)
 133 {
 134     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 135     return IUnknown_QueryInterface(This->outer, riid, ppv);
 136 }
 137
 138 static ULONG WINAPI ITSInternetProtocol_AddRef(IInternetProtocol *iface)
 139 {
 140     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 141     return IUnknown_AddRef(This->outer);
 142 }
 143
 144 static ULONG WINAPI ITSInternetProtocol_Release(IInternetProtocol *iface)
 145 {
 146     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 147     return IUnknown_Release(This->outer);
 148 }
 149
 150 static LPCWSTR skip_schema(LPCWSTR url)
 151 {
 152     static const WCHAR its_schema[] = {'i','t','s',':'};
 153     static const WCHAR msits_schema[] = {'m','s','-','i','t','s',':'};
 154     static const WCHAR mk_schema[] = {'m','k',':','@','M','S','I','T','S','t','o','r','e',':'};
 155
 156     if(!strncmpiW(its_schema, url, ARRAY_SIZE(its_schema)))
 157         return url + ARRAY_SIZE(its_schema);
 158     if(!strncmpiW(msits_schema, url, ARRAY_SIZE(msits_schema)))
 159         return url + ARRAY_SIZE(msits_schema);
 160     if(!strncmpiW(mk_schema, url, ARRAY_SIZE(mk_schema)))
 161         return url + ARRAY_SIZE(mk_schema);
 162
 163     return NULL;
 164 }
 165
 166 /* Adopted from urlmon */
 167 static void remove_dot_segments(WCHAR *path) {
 168     const WCHAR *in = path;
 169     WCHAR *out = path;
 170
 171     while(1) {
 172         /* Move the first path segment in the input buffer to the end of
 173          * the output buffer, and any subsequent characters up to, including
 174          * the next "/" character (if any) or the end of the input buffer.
 175          */
 176         while(*in != '/') {
 177             if(!(*out++ = *in++))
 178                 return;
 179         }
 180
 181         *out++ = *in++;
 182
 183         while(*in) {
 184             if(*in != '.')
 185                 break;
 186
 187             /* Handle ending "/." */
 188             if(!in[1]) {
 189                 ++in;
 190                 break;
 191             }
 192
 193             /* Handle "/./" */
 194             if(in[1] == '/') {
 195                 in += 2;
 196                 continue;
 197             }
 198
 199             /* If we don't have "/../" or ending "/.." */
 200             if(in[1] != '.' || (in[2] && in[2] != '/'))
 201                 break;
 202
 203             in += *in ? 3 : 2;
 204
 205             /* Find the slash preceding out pointer and move out pointer to it */
 206             if(out > path+1 && *--out == '/')
 207                 --out;
 208             while(out > path && *(--out) != '/');
 209             if(*out == '/')
 210                 ++out;
 211         }
 212     }
 213 }
 214
 215 static HRESULT report_result(IInternetProtocolSink *sink, HRESULT hres)
 216 {
 217     IInternetProtocolSink_ReportResult(sink, hres, 0, NULL);
 218     return hres;
 219 }
 220
 221 static HRESULT WINAPI ITSProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl,
 222         IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo,
 223         DWORD grfPI, HANDLE_PTR dwReserved)
 224 {
 225     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 226     BINDINFO bindinfo;
 227     DWORD bindf = 0, len;
 228     LPWSTR file_name, mime, object_name, p;
 229     LPCWSTR ptr;
 230     struct chmFile *chm_file;
 231     struct chmUnitInfo chm_object;
 232     int res;
 233     HRESULT hres;
 234
 235     static const WCHAR separator[] = {':',':',0};
 236
 237     TRACE("(%p)->(%s %p %p %08x %lx)\n", This, debugstr_w(szUrl), pOIProtSink,
 238             pOIBindInfo, grfPI, dwReserved);
 239
 240     ptr = skip_schema(szUrl);
 241     if(!ptr)
 242         return INET_E_USE_DEFAULT_PROTOCOLHANDLER;
 243
 244     memset(&bindinfo, 0, sizeof(bindinfo));
 245     bindinfo.cbSize = sizeof(BINDINFO);
 246     hres = IInternetBindInfo_GetBindInfo(pOIBindInfo, &bindf, &bindinfo);
 247     if(FAILED(hres)) {
 248         WARN("GetBindInfo failed: %08x\n", hres);
 249         return hres;
 250     }
 251
 252     ReleaseBindInfo(&bindinfo);
 253
 254     len = strlenW(ptr)+3;
 255     file_name = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
 256     memcpy(file_name, ptr, len*sizeof(WCHAR));
 257     hres = UrlUnescapeW(file_name, NULL, &len, URL_UNESCAPE_INPLACE);
 258     if(FAILED(hres)) {
 259         WARN("UrlUnescape failed: %08x\n", hres);
 260         HeapFree(GetProcessHeap(), 0, file_name);
 261         return hres;
 262     }
 263
 264     p = strstrW(file_name, separator);
 265     if(!p) {
 266         WARN("invalid url\n");
 267         HeapFree(GetProcessHeap(), 0, file_name);
 268         return report_result(pOIProtSink, STG_E_FILENOTFOUND);
 269     }
 270
 271     *p = 0;
 272     chm_file = chm_openW(file_name);
 273     if(!chm_file) {
 274         WARN("Could not open chm file\n");
 275         HeapFree(GetProcessHeap(), 0, file_name);
 276         return report_result(pOIProtSink, STG_E_FILENOTFOUND);
 277     }
 278
 279     object_name = p+2;
 280     len = strlenW(object_name);
 281
 282     if(*object_name != '/' && *object_name != '\\') {
 283         memmove(object_name+1, object_name, (len+1)*sizeof(WCHAR));
 284         *object_name = '/';
 285         len++;
 286     }
 287
 288     if(object_name[len-1] == '/')
 289         object_name[--len] = 0;
 290
 291     for(p=object_name; *p; p++) {
 292         if(*p == '\\')
 293             *p = '/';
 294     }
 295
 296     remove_dot_segments(object_name);
 297
 298     TRACE("Resolving %s\n", debugstr_w(object_name));
 299
 300     memset(&chm_object, 0, sizeof(chm_object));
 301     res = chm_resolve_object(chm_file, object_name, &chm_object);
 302     if(res != CHM_RESOLVE_SUCCESS) {
 303         WARN("Could not resolve chm object\n");
 304         HeapFree(GetProcessHeap(), 0, file_name);
 305         chm_close(chm_file);
 306         return report_result(pOIProtSink, STG_E_FILENOTFOUND);
 307     }
 308
 309     IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_SENDINGREQUEST,
 310                                          strrchrW(object_name, '/')+1);
 311
 312     /* FIXME: Native doesn't use FindMimeFromData */
 313     hres = FindMimeFromData(NULL, object_name, NULL, 0, NULL, 0, &mime, 0);
 314     HeapFree(GetProcessHeap(), 0, file_name);
 315     if(SUCCEEDED(hres)) {
 316         IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_MIMETYPEAVAILABLE, mime);
 317         CoTaskMemFree(mime);
 318     }
 319
 320     release_chm(This); /* Native leaks handle here */
 321     This->chm_file = chm_file;
 322     This->chm_object = chm_object;
 323
 324     hres = IInternetProtocolSink_ReportData(pOIProtSink,
 325             BSCF_FIRSTDATANOTIFICATION|BSCF_DATAFULLYAVAILABLE,
 326             chm_object.length, chm_object.length);
 327     if(FAILED(hres)) {
 328         WARN("ReportData failed: %08x\n", hres);
 329         release_chm(This);
 330         return report_result(pOIProtSink, hres);
 331     }
 332
 333     hres = IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_BEGINDOWNLOADDATA, NULL);
 334
 335     return report_result(pOIProtSink, hres);
 336 }
 337
 338 static HRESULT WINAPI ITSProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData)
 339 {
 340     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 341     FIXME("(%p)->(%p)\n", This, pProtocolData);
 342     return E_NOTIMPL;
 343 }
 344
 345 static HRESULT WINAPI ITSProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason,
 346         DWORD dwOptions)
 347 {
 348     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 349     FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions);
 350     return E_NOTIMPL;
 351 }
 352
 353 static HRESULT WINAPI ITSProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions)
 354 {
 355     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 356
 357     TRACE("(%p)->(%08x)\n", This, dwOptions);
 358
 359     return S_OK;
 360 }
 361
 362 static HRESULT WINAPI ITSProtocol_Suspend(IInternetProtocol *iface)
 363 {
 364     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 365     FIXME("(%p)\n", This);
 366     return E_NOTIMPL;
 367 }
 368
 369 static HRESULT WINAPI ITSProtocol_Resume(IInternetProtocol *iface)
 370 {
 371     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 372     FIXME("(%p)\n", This);
 373     return E_NOTIMPL;
 374 }
 375
 376 static HRESULT WINAPI ITSProtocol_Read(IInternetProtocol *iface, void *pv,
 377         ULONG cb, ULONG *pcbRead)
 378 {
 379     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 380
 381     TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead);
 382
 383     if(!This->chm_file)
 384         return INET_E_DATA_NOT_AVAILABLE;
 385
 386     *pcbRead = chm_retrieve_object(This->chm_file, &This->chm_object, pv, This->offset, cb);
 387     This->offset += *pcbRead;
 388
 389     return *pcbRead ? S_OK : S_FALSE;
 390 }
 391
 392 static HRESULT WINAPI ITSProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove,
 393         DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
 394 {
 395     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 396     FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition);
 397     return E_NOTIMPL;
 398 }
 399
 400 static HRESULT WINAPI ITSProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions)
 401 {
 402     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 403
 404     TRACE("(%p)->(%08x)\n", This, dwOptions);
 405
 406     return S_OK;
 407 }
 408
 409 static HRESULT WINAPI ITSProtocol_UnlockRequest(IInternetProtocol *iface)
 410 {
 411     ITSProtocol *This = impl_from_IInternetProtocol(iface);
 412
 413     TRACE("(%p)\n", This);
 414
 415     return S_OK;
 416 }
 417
 418 static const IInternetProtocolVtbl ITSProtocolVtbl = {
 419     ITSInternetProtocol_QueryInterface,
 420     ITSInternetProtocol_AddRef,
 421     ITSInternetProtocol_Release,
 422     ITSProtocol_Start,
 423     ITSProtocol_Continue,
 424     ITSProtocol_Abort,
 425     ITSProtocol_Terminate,
 426     ITSProtocol_Suspend,
 427     ITSProtocol_Resume,
 428     ITSProtocol_Read,
 429     ITSProtocol_Seek,
 430     ITSProtocol_LockRequest,
 431     ITSProtocol_UnlockRequest
 432 };
 433
 434 static HRESULT WINAPI ITSProtocolInfo_QueryInterface(IInternetProtocolInfo *iface,
 435                                               REFIID riid, void **ppv)
 436 {
 437     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 438     return IInternetProtocol_QueryInterface(&This->IInternetProtocol_iface, riid, ppv);
 439 }
 440
 441 static ULONG WINAPI ITSProtocolInfo_AddRef(IInternetProtocolInfo *iface)
 442 {
 443     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 444     return IInternetProtocol_AddRef(&This->IInternetProtocol_iface);
 445 }
 446
 447 static ULONG WINAPI ITSProtocolInfo_Release(IInternetProtocolInfo *iface)
 448 {
 449     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 450     return IInternetProtocol_Release(&This->IInternetProtocol_iface);
 451 }
 452
 453 static HRESULT WINAPI ITSProtocolInfo_ParseUrl(IInternetProtocolInfo *iface, LPCWSTR pwzUrl,
 454         PARSEACTION ParseAction, DWORD dwParseFlags, LPWSTR pwzResult, DWORD cchResult,
 455         DWORD *pcchResult, DWORD dwReserved)
 456 {
 457     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 458
 459     TRACE("(%p)->(%s %x %08x %p %d %p %d)\n", This, debugstr_w(pwzUrl), ParseAction,
 460           dwParseFlags, pwzResult, cchResult, pcchResult, dwReserved);
 461
 462     switch(ParseAction) {
 463     case PARSE_CANONICALIZE:
 464         FIXME("PARSE_CANONICALIZE\n");
 465         return E_NOTIMPL;
 466     case PARSE_SECURITY_URL:
 467         FIXME("PARSE_SECURITY_URL\n");
 468         return E_NOTIMPL;
 469     default:
 470         return INET_E_DEFAULT_ACTION;
 471     }
 472
 473     return S_OK;
 474 }
 475
 476 static HRESULT WINAPI ITSProtocolInfo_CombineUrl(IInternetProtocolInfo *iface,
 477         LPCWSTR pwzBaseUrl, LPCWSTR pwzRelativeUrl, DWORD dwCombineFlags, LPWSTR pwzResult,
 478         DWORD cchResult, DWORD* pcchResult, DWORD dwReserved)
 479 {
 480     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 481     LPCWSTR base_end, ptr;
 482     DWORD rel_len;
 483
 484     static const WCHAR separator[] = {':',':',0};
 485
 486     TRACE("(%p)->(%s %s %08x %p %d %p %d)\n", This, debugstr_w(pwzBaseUrl),
 487             debugstr_w(pwzRelativeUrl), dwCombineFlags, pwzResult, cchResult,
 488             pcchResult, dwReserved);
 489
 490     base_end = strstrW(pwzBaseUrl, separator);
 491     if(!base_end)
 492         return 0x80041001;
 493     base_end += 2;
 494
 495     if(!skip_schema(pwzBaseUrl))
 496         return INET_E_USE_DEFAULT_PROTOCOLHANDLER;
 497
 498     if(strchrW(pwzRelativeUrl, ':'))
 499         return STG_E_INVALIDNAME;
 500
 501     if(pwzRelativeUrl[0] == '#') {
 502         base_end += strlenW(base_end);
 503     }else if(pwzRelativeUrl[0] != '/') {
 504         ptr = strrchrW(base_end, '/');
 505         if(ptr)
 506             base_end = ptr+1;
 507         else
 508             base_end += strlenW(base_end);
 509     }
 510
 511     rel_len = strlenW(pwzRelativeUrl)+1;
 512
 513     *pcchResult = rel_len + (base_end-pwzBaseUrl);
 514
 515     if(*pcchResult > cchResult)
 516         return E_OUTOFMEMORY;
 517
 518     memcpy(pwzResult, pwzBaseUrl, (base_end-pwzBaseUrl)*sizeof(WCHAR));
 519     strcpyW(pwzResult + (base_end-pwzBaseUrl), pwzRelativeUrl);
 520
 521     return S_OK;
 522 }
 523
 524 static HRESULT WINAPI ITSProtocolInfo_CompareUrl(IInternetProtocolInfo *iface, LPCWSTR pwzUrl1,
 525         LPCWSTR pwzUrl2, DWORD dwCompareFlags)
 526 {
 527     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 528     FIXME("%p)->(%s %s %08x)\n", This, debugstr_w(pwzUrl1), debugstr_w(pwzUrl2), dwCompareFlags);
 529     return E_NOTIMPL;
 530 }
 531
 532 static HRESULT WINAPI ITSProtocolInfo_QueryInfo(IInternetProtocolInfo *iface, LPCWSTR pwzUrl,
 533         QUERYOPTION QueryOption, DWORD dwQueryFlags, LPVOID pBuffer, DWORD cbBuffer, DWORD* pcbBuf,
 534         DWORD dwReserved)
 535 {
 536     ITSProtocol *This = impl_from_IInternetProtocolInfo(iface);
 537     FIXME("(%p)->(%s %08x %08x %p %d %p %d)\n", This, debugstr_w(pwzUrl), QueryOption,
 538           dwQueryFlags, pBuffer, cbBuffer, pcbBuf, dwReserved);
 539     return E_NOTIMPL;
 540 }
 541
 542 static const IInternetProtocolInfoVtbl ITSProtocolInfoVtbl = {
 543     ITSProtocolInfo_QueryInterface,
 544     ITSProtocolInfo_AddRef,
 545     ITSProtocolInfo_Release,
 546     ITSProtocolInfo_ParseUrl,
 547     ITSProtocolInfo_CombineUrl,
 548     ITSProtocolInfo_CompareUrl,
 549     ITSProtocolInfo_QueryInfo
 550 };
 551
 552 HRESULT ITSProtocol_create(IUnknown *outer, void **ppv)
 553 {
 554     ITSProtocol *ret;
 555
 556     TRACE("(%p %p)\n", outer, ppv);
 557
 558     ITSS_LockModule();
 559
 560     ret = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ITSProtocol));
 561     if(!ret)
 562         return E_OUTOFMEMORY;
 563
 564     ret->IUnknown_inner.lpVtbl = &ITSProtocolUnkVtbl;
 565     ret->IInternetProtocol_iface.lpVtbl = &ITSProtocolVtbl;
 566     ret->IInternetProtocolInfo_iface.lpVtbl = &ITSProtocolInfoVtbl;
 567     ret->ref = 1;
 568     ret->outer = outer ? outer : &ret->IUnknown_inner;
 569
 570     *ppv = &ret->IUnknown_inner;
 571     return S_OK;
 572 }