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msxml3: Support setting unlimited nesting depth for a reader.
[wine/multimedia.git] / dlls / shlwapi / url.c
blob0c685294292e301a4d3f951c1139226d15bf5b72
1 /*
2 * Url functions
3 *
4 * Copyright 2000 Huw D M Davies for CodeWeavers.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23 #include <stdarg.h>
24 #include <string.h>
25 #include <stdlib.h>
26 #include "windef.h"
27 #include "winbase.h"
28 #include "winnls.h"
29 #include "winerror.h"
30 #include "wine/unicode.h"
31 #include "wininet.h"
32 #include "winreg.h"
33 #include "winternl.h"
34 #define NO_SHLWAPI_STREAM
35 #include "shlwapi.h"
36 #include "intshcut.h"
37 #include "wine/debug.h"
38
39 HMODULE WINAPI MLLoadLibraryW(LPCWSTR,HMODULE,DWORD);
40 BOOL WINAPI MLFreeLibrary(HMODULE);
41 HRESULT WINAPI MLBuildResURLW(LPCWSTR,HMODULE,DWORD,LPCWSTR,LPWSTR,DWORD);
42
43 WINE_DEFAULT_DEBUG_CHANNEL(shell);
44
45 static inline WCHAR *heap_strdupAtoW(const char *str)
46 {
47 LPWSTR ret = NULL;
48
49 if(str) {
50 DWORD len;
51
52 len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
53 ret = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
54 MultiByteToWideChar(CP_ACP, 0, str, -1, ret, len);
55 }
56
57 return ret;
58 }
59
60 /* The following schemes were identified in the native version of
61 * SHLWAPI.DLL version 5.50
62 */
63 static const struct {
64 URL_SCHEME scheme_number;
65 WCHAR scheme_name[12];
66 } shlwapi_schemes[] = {
67 {URL_SCHEME_FTP, {'f','t','p',0}},
68 {URL_SCHEME_HTTP, {'h','t','t','p',0}},
69 {URL_SCHEME_GOPHER, {'g','o','p','h','e','r',0}},
70 {URL_SCHEME_MAILTO, {'m','a','i','l','t','o',0}},
71 {URL_SCHEME_NEWS, {'n','e','w','s',0}},
72 {URL_SCHEME_NNTP, {'n','n','t','p',0}},
73 {URL_SCHEME_TELNET, {'t','e','l','n','e','t',0}},
74 {URL_SCHEME_WAIS, {'w','a','i','s',0}},
75 {URL_SCHEME_FILE, {'f','i','l','e',0}},
76 {URL_SCHEME_MK, {'m','k',0}},
77 {URL_SCHEME_HTTPS, {'h','t','t','p','s',0}},
78 {URL_SCHEME_SHELL, {'s','h','e','l','l',0}},
79 {URL_SCHEME_SNEWS, {'s','n','e','w','s',0}},
80 {URL_SCHEME_LOCAL, {'l','o','c','a','l',0}},
81 {URL_SCHEME_JAVASCRIPT, {'j','a','v','a','s','c','r','i','p','t',0}},
82 {URL_SCHEME_VBSCRIPT, {'v','b','s','c','r','i','p','t',0}},
83 {URL_SCHEME_ABOUT, {'a','b','o','u','t',0}},
84 {URL_SCHEME_RES, {'r','e','s',0}},
85 };
86
87 typedef struct {
88 LPCWSTR pScheme; /* [out] start of scheme */
89 DWORD szScheme; /* [out] size of scheme (until colon) */
90 LPCWSTR pUserName; /* [out] start of Username */
91 DWORD szUserName; /* [out] size of Username (until ":" or "@") */
92 LPCWSTR pPassword; /* [out] start of Password */
93 DWORD szPassword; /* [out] size of Password (until "@") */
94 LPCWSTR pHostName; /* [out] start of Hostname */
95 DWORD szHostName; /* [out] size of Hostname (until ":" or "/") */
96 LPCWSTR pPort; /* [out] start of Port */
97 DWORD szPort; /* [out] size of Port (until "/" or eos) */
98 LPCWSTR pQuery; /* [out] start of Query */
99 DWORD szQuery; /* [out] size of Query (until eos) */
100 } WINE_PARSE_URL;
101
102 typedef enum {
103 SCHEME,
104 HOST,
105 PORT,
106 USERPASS,
107 } WINE_URL_SCAN_TYPE;
108
109 static const CHAR hexDigits[] = "0123456789ABCDEF";
110
111 static const WCHAR fileW[] = {'f','i','l','e','\0'};
112
113 static const unsigned char HashDataLookup[256] = {
114 0x01, 0x0E, 0x6E, 0x19, 0x61, 0xAE, 0x84, 0x77, 0x8A, 0xAA, 0x7D, 0x76, 0x1B,
115 0xE9, 0x8C, 0x33, 0x57, 0xC5, 0xB1, 0x6B, 0xEA, 0xA9, 0x38, 0x44, 0x1E, 0x07,
116 0xAD, 0x49, 0xBC, 0x28, 0x24, 0x41, 0x31, 0xD5, 0x68, 0xBE, 0x39, 0xD3, 0x94,
117 0xDF, 0x30, 0x73, 0x0F, 0x02, 0x43, 0xBA, 0xD2, 0x1C, 0x0C, 0xB5, 0x67, 0x46,
118 0x16, 0x3A, 0x4B, 0x4E, 0xB7, 0xA7, 0xEE, 0x9D, 0x7C, 0x93, 0xAC, 0x90, 0xB0,
119 0xA1, 0x8D, 0x56, 0x3C, 0x42, 0x80, 0x53, 0x9C, 0xF1, 0x4F, 0x2E, 0xA8, 0xC6,
120 0x29, 0xFE, 0xB2, 0x55, 0xFD, 0xED, 0xFA, 0x9A, 0x85, 0x58, 0x23, 0xCE, 0x5F,
121 0x74, 0xFC, 0xC0, 0x36, 0xDD, 0x66, 0xDA, 0xFF, 0xF0, 0x52, 0x6A, 0x9E, 0xC9,
122 0x3D, 0x03, 0x59, 0x09, 0x2A, 0x9B, 0x9F, 0x5D, 0xA6, 0x50, 0x32, 0x22, 0xAF,
123 0xC3, 0x64, 0x63, 0x1A, 0x96, 0x10, 0x91, 0x04, 0x21, 0x08, 0xBD, 0x79, 0x40,
124 0x4D, 0x48, 0xD0, 0xF5, 0x82, 0x7A, 0x8F, 0x37, 0x69, 0x86, 0x1D, 0xA4, 0xB9,
125 0xC2, 0xC1, 0xEF, 0x65, 0xF2, 0x05, 0xAB, 0x7E, 0x0B, 0x4A, 0x3B, 0x89, 0xE4,
126 0x6C, 0xBF, 0xE8, 0x8B, 0x06, 0x18, 0x51, 0x14, 0x7F, 0x11, 0x5B, 0x5C, 0xFB,
127 0x97, 0xE1, 0xCF, 0x15, 0x62, 0x71, 0x70, 0x54, 0xE2, 0x12, 0xD6, 0xC7, 0xBB,
128 0x0D, 0x20, 0x5E, 0xDC, 0xE0, 0xD4, 0xF7, 0xCC, 0xC4, 0x2B, 0xF9, 0xEC, 0x2D,
129 0xF4, 0x6F, 0xB6, 0x99, 0x88, 0x81, 0x5A, 0xD9, 0xCA, 0x13, 0xA5, 0xE7, 0x47,
130 0xE6, 0x8E, 0x60, 0xE3, 0x3E, 0xB3, 0xF6, 0x72, 0xA2, 0x35, 0xA0, 0xD7, 0xCD,
131 0xB4, 0x2F, 0x6D, 0x2C, 0x26, 0x1F, 0x95, 0x87, 0x00, 0xD8, 0x34, 0x3F, 0x17,
132 0x25, 0x45, 0x27, 0x75, 0x92, 0xB8, 0xA3, 0xC8, 0xDE, 0xEB, 0xF8, 0xF3, 0xDB,
133 0x0A, 0x98, 0x83, 0x7B, 0xE5, 0xCB, 0x4C, 0x78, 0xD1 };
134
135 static DWORD get_scheme_code(LPCWSTR scheme, DWORD scheme_len)
136 {
137 unsigned int i;
138
139 for(i=0; i < sizeof(shlwapi_schemes)/sizeof(shlwapi_schemes[0]); i++) {
140 if(scheme_len == strlenW(shlwapi_schemes[i].scheme_name)
141 && !memcmp(scheme, shlwapi_schemes[i].scheme_name, scheme_len*sizeof(WCHAR)))
142 return shlwapi_schemes[i].scheme_number;
143 }
144
145 return URL_SCHEME_UNKNOWN;
146 }
147
148 /*************************************************************************
149 * @ [SHLWAPI.1]
150 *
151 * Parse a Url into its constituent parts.
152 *
153 * PARAMS
154 * x [I] Url to parse
155 * y [O] Undocumented structure holding the parsed information
156 *
157 * RETURNS
158 * Success: S_OK. y contains the parsed Url details.
159 * Failure: An HRESULT error code.
160 */
161 HRESULT WINAPI ParseURLA(LPCSTR x, PARSEDURLA *y)
162 {
163 WCHAR scheme[INTERNET_MAX_SCHEME_LENGTH];
164 const char *ptr = x;
165 int len;
166
167 TRACE("%s %p\n", debugstr_a(x), y);
168
169 if(y->cbSize != sizeof(*y))
170 return E_INVALIDARG;
171
172 while(*ptr && (isalnum(*ptr) || *ptr == '-'))
173 ptr++;
174
175 if (*ptr != ':' || ptr <= x+1) {
176 y->pszProtocol = NULL;
177 return URL_E_INVALID_SYNTAX;
178 }
179
180 y->pszProtocol = x;
181 y->cchProtocol = ptr-x;
182 y->pszSuffix = ptr+1;
183 y->cchSuffix = strlen(y->pszSuffix);
184
185 len = MultiByteToWideChar(CP_ACP, 0, x, ptr-x,
186 scheme, sizeof(scheme)/sizeof(WCHAR));
187 y->nScheme = get_scheme_code(scheme, len);
188
189 return S_OK;
190 }
191
192 /*************************************************************************
193 * @ [SHLWAPI.2]
194 *
195 * Unicode version of ParseURLA.
196 */
197 HRESULT WINAPI ParseURLW(LPCWSTR x, PARSEDURLW *y)
198 {
199 const WCHAR *ptr = x;
200
201 TRACE("%s %p\n", debugstr_w(x), y);
202
203 if(y->cbSize != sizeof(*y))
204 return E_INVALIDARG;
205
206 while(*ptr && (isalnumW(*ptr) || *ptr == '-'))
207 ptr++;
208
209 if (*ptr != ':' || ptr <= x+1) {
210 y->pszProtocol = NULL;
211 return URL_E_INVALID_SYNTAX;
212 }
213
214 y->pszProtocol = x;
215 y->cchProtocol = ptr-x;
216 y->pszSuffix = ptr+1;
217 y->cchSuffix = strlenW(y->pszSuffix);
218 y->nScheme = get_scheme_code(x, ptr-x);
219
220 return S_OK;
221 }
222
223 /*************************************************************************
224 * UrlCanonicalizeA [SHLWAPI.@]
225 *
226 * Canonicalize a Url.
227 *
228 * PARAMS
229 * pszUrl [I] Url to cCanonicalize
230 * pszCanonicalized [O] Destination for converted Url.
231 * pcchCanonicalized [I/O] Length of pszUrl, destination for length of pszCanonicalized
232 * dwFlags [I] Flags controlling the conversion.
233 *
234 * RETURNS
235 * Success: S_OK. The pszCanonicalized contains the converted Url.
236 * Failure: E_POINTER, if *pcchCanonicalized is too small.
237 *
238 * MSDN incorrectly describes the flags for this function. They should be:
239 *| URL_DONT_ESCAPE_EXTRA_INFO 0x02000000
240 *| URL_ESCAPE_SPACES_ONLY 0x04000000
241 *| URL_ESCAPE_PERCENT 0x00001000
242 *| URL_ESCAPE_UNSAFE 0x10000000
243 *| URL_UNESCAPE 0x10000000
244 *| URL_DONT_SIMPLIFY 0x08000000
245 *| URL_ESCAPE_SEGMENT_ONLY 0x00002000
246 */
247 HRESULT WINAPI UrlCanonicalizeA(LPCSTR pszUrl, LPSTR pszCanonicalized,
248 LPDWORD pcchCanonicalized, DWORD dwFlags)
249 {
250 LPWSTR url, canonical;
251 HRESULT ret;
252
253 TRACE("(%s, %p, %p, 0x%08x) *pcchCanonicalized: %d\n", debugstr_a(pszUrl), pszCanonicalized,
254 pcchCanonicalized, dwFlags, pcchCanonicalized ? *pcchCanonicalized : -1);
255
256 if(!pszUrl || !pszCanonicalized || !pcchCanonicalized || !*pcchCanonicalized)
257 return E_INVALIDARG;
258
259 url = heap_strdupAtoW(pszUrl);
260 canonical = HeapAlloc(GetProcessHeap(), 0, *pcchCanonicalized*sizeof(WCHAR));
261 if(!url || !canonical) {
262 HeapFree(GetProcessHeap(), 0, url);
263 HeapFree(GetProcessHeap(), 0, canonical);
264 return E_OUTOFMEMORY;
265 }
266
267 ret = UrlCanonicalizeW(url, canonical, pcchCanonicalized, dwFlags);
268 if(ret == S_OK)
269 WideCharToMultiByte(0, 0, canonical, -1, pszCanonicalized,
270 *pcchCanonicalized+1, 0, 0);
271
272 HeapFree(GetProcessHeap(), 0, url);
273 HeapFree(GetProcessHeap(), 0, canonical);
274 return ret;
275 }
276
277 /*************************************************************************
278 * UrlCanonicalizeW [SHLWAPI.@]
279 *
280 * See UrlCanonicalizeA.
281 */
282 HRESULT WINAPI UrlCanonicalizeW(LPCWSTR pszUrl, LPWSTR pszCanonicalized,
283 LPDWORD pcchCanonicalized, DWORD dwFlags)
284 {
285 HRESULT hr = S_OK;
286 DWORD EscapeFlags;
287 LPCWSTR wk1, root;
288 LPWSTR lpszUrlCpy, url, wk2, mp, mp2;
289 INT state;
290 DWORD nByteLen, nLen, nWkLen;
291 BOOL is_file_url;
292 WCHAR slash = '\0';
293
294 static const WCHAR wszFile[] = {'f','i','l','e',':'};
295 static const WCHAR wszRes[] = {'r','e','s',':'};
296 static const WCHAR wszHttp[] = {'h','t','t','p',':'};
297 static const WCHAR wszLocalhost[] = {'l','o','c','a','l','h','o','s','t'};
298 static const WCHAR wszFilePrefix[] = {'f','i','l','e',':','/','/','/'};
299
300 TRACE("(%s, %p, %p, 0x%08x) *pcchCanonicalized: %d\n", debugstr_w(pszUrl), pszCanonicalized,
301 pcchCanonicalized, dwFlags, pcchCanonicalized ? *pcchCanonicalized : -1);
302
303 if(!pszUrl || !pszCanonicalized || !pcchCanonicalized || !*pcchCanonicalized)
304 return E_INVALIDARG;
305
306 if(!*pszUrl) {
307 *pszCanonicalized = 0;
308 return S_OK;
309 }
310
311 /* Remove '\t' characters from URL */
312 nByteLen = (strlenW(pszUrl) + 1) * sizeof(WCHAR); /* length in bytes */
313 url = HeapAlloc(GetProcessHeap(), 0, nByteLen);
314 if(!url)
315 return E_OUTOFMEMORY;
316
317 wk1 = pszUrl;
318 wk2 = url;
319 do {
320 while(*wk1 == '\t')
321 wk1++;
322 *wk2++ = *wk1;
323 } while(*wk1++);
324
325 /* Allocate memory for simplified URL (before escaping) */
326 nByteLen = (wk2-url)*sizeof(WCHAR);
327 lpszUrlCpy = HeapAlloc(GetProcessHeap(), 0,
328 nByteLen+sizeof(wszFilePrefix)+sizeof(WCHAR));
329 if(!lpszUrlCpy) {
330 HeapFree(GetProcessHeap(), 0, url);
331 return E_OUTOFMEMORY;
332 }
333
334 is_file_url = !strncmpW(wszFile, url, sizeof(wszFile)/sizeof(WCHAR));
335
336 if ((nByteLen >= sizeof(wszHttp) &&
337 !memcmp(wszHttp, url, sizeof(wszHttp))) || is_file_url)
338 slash = '/';
339
340 if((dwFlags & (URL_FILE_USE_PATHURL | URL_WININET_COMPATIBILITY)) && is_file_url)
341 slash = '\\';
342
343 if(nByteLen >= sizeof(wszRes) && !memcmp(wszRes, url, sizeof(wszRes))) {
344 dwFlags &= ~URL_FILE_USE_PATHURL;
345 slash = '\0';
346 }
347
348 /*
349 * state =
350 * 0 initial 1,3
351 * 1 have 2[+] alnum 2,3
352 * 2 have scheme (found :) 4,6,3
353 * 3 failed (no location)
354 * 4 have // 5,3
355 * 5 have 1[+] alnum 6,3
356 * 6 have location (found /) save root location
357 */
358
359 wk1 = url;
360 wk2 = lpszUrlCpy;
361 state = 0;
362
363 if(url[1] == ':') { /* Assume path */
364 memcpy(wk2, wszFilePrefix, sizeof(wszFilePrefix));
365 wk2 += sizeof(wszFilePrefix)/sizeof(WCHAR);
366 if (dwFlags & (URL_FILE_USE_PATHURL | URL_WININET_COMPATIBILITY))
367 {
368 slash = '\\';
369 --wk2;
370 }
371 else
372 dwFlags |= URL_ESCAPE_UNSAFE;
373 state = 5;
374 is_file_url = TRUE;
375 }
376
377 while (*wk1) {
378 switch (state) {
379 case 0:
380 if (!isalnumW(*wk1)) {state = 3; break;}
381 *wk2++ = *wk1++;
382 if (!isalnumW(*wk1)) {state = 3; break;}
383 *wk2++ = *wk1++;
384 state = 1;
385 break;
386 case 1:
387 *wk2++ = *wk1;
388 if (*wk1++ == ':') state = 2;
389 break;
390 case 2:
391 *wk2++ = *wk1++;
392 if (*wk1 != '/') {state = 6; break;}
393 *wk2++ = *wk1++;
394 if((dwFlags & URL_FILE_USE_PATHURL) && nByteLen >= sizeof(wszLocalhost)
395 && is_file_url
396 && !memcmp(wszLocalhost, wk1, sizeof(wszLocalhost))){
397 wk1 += sizeof(wszLocalhost)/sizeof(WCHAR);
398 while(*wk1 == '\\' && (dwFlags & URL_FILE_USE_PATHURL))
399 wk1++;
400 }
401
402 if(*wk1 == '/' && (dwFlags & URL_FILE_USE_PATHURL)){
403 wk1++;
404 }else if(is_file_url){
405 const WCHAR *body = wk1;
406
407 while(*body == '/')
408 ++body;
409
410 if(isalnumW(*body) && *(body+1) == ':'){
411 if(!(dwFlags & (URL_WININET_COMPATIBILITY | URL_FILE_USE_PATHURL))){
412 if(slash)
413 *wk2++ = slash;
414 else
415 *wk2++ = '/';
416 }
417 }else{
418 if(dwFlags & URL_WININET_COMPATIBILITY){
419 if(*wk1 == '/' && *(wk1+1) != '/'){
420 *wk2++ = '\\';
421 }else{
422 *wk2++ = '\\';
423 *wk2++ = '\\';
424 }
425 }else{
426 if(*wk1 == '/' && *(wk1+1) != '/'){
427 if(slash)
428 *wk2++ = slash;
429 else
430 *wk2++ = '/';
431 }
432 }
433 }
434 wk1 = body;
435 }
436 state = 4;
437 break;
438 case 3:
439 nWkLen = strlenW(wk1);
440 memcpy(wk2, wk1, (nWkLen + 1) * sizeof(WCHAR));
441 mp = wk2;
442 wk1 += nWkLen;
443 wk2 += nWkLen;
444
445 if(slash) {
446 while(mp < wk2) {
447 if(*mp == '/' || *mp == '\\')
448 *mp = slash;
449 mp++;
450 }
451 }
452 break;
453 case 4:
454 if (!isalnumW(*wk1) && (*wk1 != '-') && (*wk1 != '.') && (*wk1 != ':'))
455 {state = 3; break;}
456 while(isalnumW(*wk1) || (*wk1 == '-') || (*wk1 == '.') || (*wk1 == ':'))
457 *wk2++ = *wk1++;
458 state = 5;
459 if (!*wk1) {
460 if(slash)
461 *wk2++ = slash;
462 else
463 *wk2++ = '/';
464 }
465 break;
466 case 5:
467 if (*wk1 != '/' && *wk1 != '\\') {state = 3; break;}
468 while(*wk1 == '/' || *wk1 == '\\') {
469 if(slash)
470 *wk2++ = slash;
471 else
472 *wk2++ = *wk1;
473 wk1++;
474 }
475 state = 6;
476 break;
477 case 6:
478 if(dwFlags & URL_DONT_SIMPLIFY) {
479 state = 3;
480 break;
481 }
482
483 /* Now at root location, cannot back up any more. */
484 /* "root" will point at the '/' */
485
486 root = wk2-1;
487 while (*wk1) {
488 mp = strchrW(wk1, '/');
489 mp2 = strchrW(wk1, '\\');
490 if(mp2 && (!mp || mp2 < mp))
491 mp = mp2;
492 if (!mp) {
493 nWkLen = strlenW(wk1);
494 memcpy(wk2, wk1, (nWkLen + 1) * sizeof(WCHAR));
495 wk1 += nWkLen;
496 wk2 += nWkLen;
497 continue;
498 }
499 nLen = mp - wk1;
500 if(nLen) {
501 memcpy(wk2, wk1, nLen * sizeof(WCHAR));
502 wk2 += nLen;
503 wk1 += nLen;
504 }
505 if(slash)
506 *wk2++ = slash;
507 else
508 *wk2++ = *wk1;
509 wk1++;
510
511 while (*wk1 == '.') {
512 TRACE("found '/.'\n");
513 if (wk1[1] == '/' || wk1[1] == '\\') {
514 /* case of /./ -> skip the ./ */
515 wk1 += 2;
516 }
517 else if (wk1[1] == '.' && (wk1[2] == '/'
518 || wk1[2] == '\\' || wk1[2] == '?'
519 || wk1[2] == '#' || !wk1[2])) {
520 /* case /../ -> need to backup wk2 */
521 TRACE("found '/../'\n");
522 *(wk2-1) = '\0'; /* set end of string */
523 mp = strrchrW(root, '/');
524 mp2 = strrchrW(root, '\\');
525 if(mp2 && (!mp || mp2 < mp))
526 mp = mp2;
527 if (mp && (mp >= root)) {
528 /* found valid backup point */
529 wk2 = mp + 1;
530 if(wk1[2] != '/' && wk1[2] != '\\')
531 wk1 += 2;
532 else
533 wk1 += 3;
534 }
535 else {
536 /* did not find point, restore '/' */
537 *(wk2-1) = slash;
538 break;
539 }
540 }
541 else
542 break;
543 }
544 }
545 *wk2 = '\0';
546 break;
547 default:
548 FIXME("how did we get here - state=%d\n", state);
549 HeapFree(GetProcessHeap(), 0, lpszUrlCpy);
550 HeapFree(GetProcessHeap(), 0, url);
551 return E_INVALIDARG;
552 }
553 *wk2 = '\0';
554 TRACE("Simplified, orig <%s>, simple <%s>\n",
555 debugstr_w(pszUrl), debugstr_w(lpszUrlCpy));
556 }
557 nLen = lstrlenW(lpszUrlCpy);
558 while ((nLen > 0) && ((lpszUrlCpy[nLen-1] <= ' ')))
559 lpszUrlCpy[--nLen]=0;
560
561 if((dwFlags & URL_UNESCAPE) ||
562 ((dwFlags & URL_FILE_USE_PATHURL) && nByteLen >= sizeof(wszFile)
563 && !memcmp(wszFile, url, sizeof(wszFile))))
564 UrlUnescapeW(lpszUrlCpy, NULL, &nLen, URL_UNESCAPE_INPLACE);
565
566 if((EscapeFlags = dwFlags & (URL_ESCAPE_UNSAFE |
567 URL_ESCAPE_SPACES_ONLY |
568 URL_ESCAPE_PERCENT |
569 URL_DONT_ESCAPE_EXTRA_INFO |
570 URL_ESCAPE_SEGMENT_ONLY ))) {
571 EscapeFlags &= ~URL_ESCAPE_UNSAFE;
572 hr = UrlEscapeW(lpszUrlCpy, pszCanonicalized, pcchCanonicalized,
573 EscapeFlags);
574 } else { /* No escaping needed, just copy the string */
575 nLen = lstrlenW(lpszUrlCpy);
576 if(nLen < *pcchCanonicalized)
577 memcpy(pszCanonicalized, lpszUrlCpy, (nLen + 1)*sizeof(WCHAR));
578 else {
579 hr = E_POINTER;
580 nLen++;
581 }
582 *pcchCanonicalized = nLen;
583 }
584
585 HeapFree(GetProcessHeap(), 0, lpszUrlCpy);
586 HeapFree(GetProcessHeap(), 0, url);
587
588 if (hr == S_OK)
589 TRACE("result %s\n", debugstr_w(pszCanonicalized));
590
591 return hr;
592 }
593
594 /*************************************************************************
595 * UrlCombineA [SHLWAPI.@]
596 *
597 * Combine two Urls.
598 *
599 * PARAMS
600 * pszBase [I] Base Url
601 * pszRelative [I] Url to combine with pszBase
602 * pszCombined [O] Destination for combined Url
603 * pcchCombined [O] Destination for length of pszCombined
604 * dwFlags [I] URL_ flags from "shlwapi.h"
605 *
606 * RETURNS
607 * Success: S_OK. pszCombined contains the combined Url, pcchCombined
608 * contains its length.
609 * Failure: An HRESULT error code indicating the error.
610 */
611 HRESULT WINAPI UrlCombineA(LPCSTR pszBase, LPCSTR pszRelative,
612 LPSTR pszCombined, LPDWORD pcchCombined,
613 DWORD dwFlags)
614 {
615 LPWSTR base, relative, combined;
616 DWORD ret, len, len2;
617
618 TRACE("(base %s, Relative %s, Combine size %d, flags %08x) using W version\n",
619 debugstr_a(pszBase),debugstr_a(pszRelative),
620 pcchCombined?*pcchCombined:0,dwFlags);
621
622 if(!pszBase || !pszRelative || !pcchCombined)
623 return E_INVALIDARG;
624
625 base = HeapAlloc(GetProcessHeap(), 0,
626 (3*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR));
627 relative = base + INTERNET_MAX_URL_LENGTH;
628 combined = relative + INTERNET_MAX_URL_LENGTH;
629
630 MultiByteToWideChar(0, 0, pszBase, -1, base, INTERNET_MAX_URL_LENGTH);
631 MultiByteToWideChar(0, 0, pszRelative, -1, relative, INTERNET_MAX_URL_LENGTH);
632 len = *pcchCombined;
633
634 ret = UrlCombineW(base, relative, pszCombined?combined:NULL, &len, dwFlags);
635 if (ret != S_OK) {
636 *pcchCombined = len;
637 HeapFree(GetProcessHeap(), 0, base);
638 return ret;
639 }
640
641 len2 = WideCharToMultiByte(0, 0, combined, len, 0, 0, 0, 0);
642 if (len2 > *pcchCombined) {
643 *pcchCombined = len2;
644 HeapFree(GetProcessHeap(), 0, base);
645 return E_POINTER;
646 }
647 WideCharToMultiByte(0, 0, combined, len+1, pszCombined, (*pcchCombined)+1,
648 0, 0);
649 *pcchCombined = len2;
650 HeapFree(GetProcessHeap(), 0, base);
651 return S_OK;
652 }
653
654 /*************************************************************************
655 * UrlCombineW [SHLWAPI.@]
656 *
657 * See UrlCombineA.
658 */
659 HRESULT WINAPI UrlCombineW(LPCWSTR pszBase, LPCWSTR pszRelative,
660 LPWSTR pszCombined, LPDWORD pcchCombined,
661 DWORD dwFlags)
662 {
663 PARSEDURLW base, relative;
664 DWORD myflags, sizeloc = 0;
665 DWORD len, res1, res2, process_case = 0;
666 LPWSTR work, preliminary, mbase, mrelative;
667 static const WCHAR myfilestr[] = {'f','i','l','e',':','/','/','/','\0'};
668 HRESULT ret;
669
670 TRACE("(base %s, Relative %s, Combine size %d, flags %08x)\n",
671 debugstr_w(pszBase),debugstr_w(pszRelative),
672 pcchCombined?*pcchCombined:0,dwFlags);
673
674 if(!pszBase || !pszRelative || !pcchCombined)
675 return E_INVALIDARG;
676
677 base.cbSize = sizeof(base);
678 relative.cbSize = sizeof(relative);
679
680 /* Get space for duplicates of the input and the output */
681 preliminary = HeapAlloc(GetProcessHeap(), 0, (3*INTERNET_MAX_URL_LENGTH) *
682 sizeof(WCHAR));
683 mbase = preliminary + INTERNET_MAX_URL_LENGTH;
684 mrelative = mbase + INTERNET_MAX_URL_LENGTH;
685 *preliminary = '\0';
686
687 /* Canonicalize the base input prior to looking for the scheme */
688 myflags = dwFlags & (URL_DONT_SIMPLIFY | URL_UNESCAPE);
689 len = INTERNET_MAX_URL_LENGTH;
690 ret = UrlCanonicalizeW(pszBase, mbase, &len, myflags);
691
692 /* Canonicalize the relative input prior to looking for the scheme */
693 len = INTERNET_MAX_URL_LENGTH;
694 ret = UrlCanonicalizeW(pszRelative, mrelative, &len, myflags);
695
696 /* See if the base has a scheme */
697 res1 = ParseURLW(mbase, &base);
698 if (res1) {
699 /* if pszBase has no scheme, then return pszRelative */
700 TRACE("no scheme detected in Base\n");
701 process_case = 1;
702 }
703 else do {
704 BOOL manual_search = FALSE;
705
706 /* mk is a special case */
707 if(base.nScheme == URL_SCHEME_MK) {
708 static const WCHAR wsz[] = {':',':',0};
709
710 WCHAR *ptr = strstrW(base.pszSuffix, wsz);
711 if(ptr) {
712 int delta;
713
714 ptr += 2;
715 delta = ptr-base.pszSuffix;
716 base.cchProtocol += delta;
717 base.pszSuffix += delta;
718 base.cchSuffix -= delta;
719 }
720 }else {
721 /* get size of location field (if it exists) */
722 work = (LPWSTR)base.pszSuffix;
723 sizeloc = 0;
724 if (*work++ == '/') {
725 if (*work++ == '/') {
726 /* At this point have start of location and
727 * it ends at next '/' or end of string.
728 */
729 while(*work && (*work != '/')) work++;
730 sizeloc = (DWORD)(work - base.pszSuffix);
731 }
732 }
733 }
734
735 /* If there is a '#' and the characters immediately preceding it are
736 * ".htm[l]", then begin looking for the last leaf starting from
737 * the '#'. Otherwise the '#' is not meaningful and just start
738 * looking from the end. */
739 if ((work = strchrW(base.pszSuffix + sizeloc, '#'))) {
740 const WCHAR htmlW[] = {'.','h','t','m','l',0};
741 const int len_htmlW = 5;
742 const WCHAR htmW[] = {'.','h','t','m',0};
743 const int len_htmW = 4;
744
745 if (base.nScheme == URL_SCHEME_HTTP || base.nScheme == URL_SCHEME_HTTPS)
746 manual_search = TRUE;
747 else if (work - base.pszSuffix > len_htmW * sizeof(WCHAR)) {
748 work -= len_htmW;
749 if (strncmpiW(work, htmW, len_htmW) == 0)
750 manual_search = TRUE;
751 work += len_htmW;
752 }
753
754 if (!manual_search &&
755 work - base.pszSuffix > len_htmlW * sizeof(WCHAR)) {
756 work -= len_htmlW;
757 if (strncmpiW(work, htmlW, len_htmlW) == 0)
758 manual_search = TRUE;
759 work += len_htmlW;
760 }
761 }
762
763 if (manual_search) {
764 /* search backwards starting from the current position */
765 while (*work != '/' && work > base.pszSuffix + sizeloc)
766 --work;
767 base.cchSuffix = work - base.pszSuffix + 1;
768 }else {
769 /* search backwards starting from the end of the string */
770 work = strrchrW((base.pszSuffix+sizeloc), '/');
771 if (work) {
772 len = (DWORD)(work - base.pszSuffix + 1);
773 base.cchSuffix = len;
774 }else
775 base.cchSuffix = sizeloc;
776 }
777
778 /*
779 * At this point:
780 * .pszSuffix points to location (starting with '//')
781 * .cchSuffix length of location (above) and rest less the last
782 * leaf (if any)
783 * sizeloc length of location (above) up to but not including
784 * the last '/'
785 */
786
787 res2 = ParseURLW(mrelative, &relative);
788 if (res2) {
789 /* no scheme in pszRelative */
790 TRACE("no scheme detected in Relative\n");
791 relative.pszSuffix = mrelative; /* case 3,4,5 depends on this */
792 relative.cchSuffix = strlenW(mrelative);
793 if (*pszRelative == ':') {
794 /* case that is either left alone or uses pszBase */
795 if (dwFlags & URL_PLUGGABLE_PROTOCOL) {
796 process_case = 5;
797 break;
798 }
799 process_case = 1;
800 break;
801 }
802 if (isalnum(*mrelative) && (*(mrelative + 1) == ':')) {
803 /* case that becomes "file:///" */
804 strcpyW(preliminary, myfilestr);
805 process_case = 1;
806 break;
807 }
808 if ((*mrelative == '/') && (*(mrelative+1) == '/')) {
809 /* pszRelative has location and rest */
810 process_case = 3;
811 break;
812 }
813 if (*mrelative == '/') {
814 /* case where pszRelative is root to location */
815 process_case = 4;
816 break;
817 }
818 if (*mrelative == '#') {
819 if(!(work = strchrW(base.pszSuffix+base.cchSuffix, '#')))
820 work = (LPWSTR)base.pszSuffix + strlenW(base.pszSuffix);
821
822 memcpy(preliminary, base.pszProtocol, (work-base.pszProtocol)*sizeof(WCHAR));
823 preliminary[work-base.pszProtocol] = '\0';
824 process_case = 1;
825 break;
826 }
827 process_case = (*base.pszSuffix == '/' || base.nScheme == URL_SCHEME_MK) ? 5 : 3;
828 break;
829 }
830
831 /* handle cases where pszRelative has scheme */
832 if ((base.cchProtocol == relative.cchProtocol) &&
833 (strncmpW(base.pszProtocol, relative.pszProtocol, base.cchProtocol) == 0)) {
834
835 /* since the schemes are the same */
836 if ((*relative.pszSuffix == '/') && (*(relative.pszSuffix+1) == '/')) {
837 /* case where pszRelative replaces location and following */
838 process_case = 3;
839 break;
840 }
841 if (*relative.pszSuffix == '/') {
842 /* case where pszRelative is root to location */
843 process_case = 4;
844 break;
845 }
846 /* replace either just location if base's location starts with a
847 * slash or otherwise everything */
848 process_case = (*base.pszSuffix == '/') ? 5 : 1;
849 break;
850 }
851 if ((*relative.pszSuffix == '/') && (*(relative.pszSuffix+1) == '/')) {
852 /* case where pszRelative replaces scheme, location,
853 * and following and handles PLUGGABLE
854 */
855 process_case = 2;
856 break;
857 }
858 process_case = 1;
859 break;
860 } while(FALSE); /* a little trick to allow easy exit from nested if's */
861
862 ret = S_OK;
863 switch (process_case) {
864
865 case 1: /*
866 * Return pszRelative appended to what ever is in pszCombined,
867 * (which may the string "file:///"
868 */
869 strcatW(preliminary, mrelative);
870 break;
871
872 case 2: /* case where pszRelative replaces scheme, and location */
873 strcpyW(preliminary, mrelative);
874 break;
875
876 case 3: /*
877 * Return the pszBase scheme with pszRelative. Basically
878 * keeps the scheme and replaces the domain and following.
879 */
880 memcpy(preliminary, base.pszProtocol, (base.cchProtocol + 1)*sizeof(WCHAR));
881 work = preliminary + base.cchProtocol + 1;
882 strcpyW(work, relative.pszSuffix);
883 break;
884
885 case 4: /*
886 * Return the pszBase scheme and location but everything
887 * after the location is pszRelative. (Replace document
888 * from root on.)
889 */
890 memcpy(preliminary, base.pszProtocol, (base.cchProtocol+1+sizeloc)*sizeof(WCHAR));
891 work = preliminary + base.cchProtocol + 1 + sizeloc;
892 if (dwFlags & URL_PLUGGABLE_PROTOCOL)
893 *(work++) = '/';
894 strcpyW(work, relative.pszSuffix);
895 break;
896
897 case 5: /*
898 * Return the pszBase without its document (if any) and
899 * append pszRelative after its scheme.
900 */
901 memcpy(preliminary, base.pszProtocol,
902 (base.cchProtocol+1+base.cchSuffix)*sizeof(WCHAR));
903 work = preliminary + base.cchProtocol+1+base.cchSuffix - 1;
904 if (*work++ != '/')
905 *(work++) = '/';
906 strcpyW(work, relative.pszSuffix);
907 break;
908
909 default:
910 FIXME("How did we get here????? process_case=%d\n", process_case);
911 ret = E_INVALIDARG;
912 }
913
914 if (ret == S_OK) {
915 /* Reuse mrelative as temp storage as its already allocated and not needed anymore */
916 if(*pcchCombined == 0)
917 *pcchCombined = 1;
918 ret = UrlCanonicalizeW(preliminary, mrelative, pcchCombined, (dwFlags & ~URL_FILE_USE_PATHURL));
919 if(SUCCEEDED(ret) && pszCombined) {
920 lstrcpyW(pszCombined, mrelative);
921 }
922 TRACE("return-%d len=%d, %s\n",
923 process_case, *pcchCombined, debugstr_w(pszCombined));
924 }
925 HeapFree(GetProcessHeap(), 0, preliminary);
926 return ret;
927 }
928
929 /*************************************************************************
930 * UrlEscapeA [SHLWAPI.@]
931 */
932
933 HRESULT WINAPI UrlEscapeA(
934 LPCSTR pszUrl,
935 LPSTR pszEscaped,
936 LPDWORD pcchEscaped,
937 DWORD dwFlags)
938 {
939 WCHAR bufW[INTERNET_MAX_URL_LENGTH];
940 WCHAR *escapedW = bufW;
941 UNICODE_STRING urlW;
942 HRESULT ret;
943 DWORD lenW = sizeof(bufW)/sizeof(WCHAR), lenA;
944
945 if (!pszEscaped || !pcchEscaped || !*pcchEscaped)
946 return E_INVALIDARG;
947
948 if(!RtlCreateUnicodeStringFromAsciiz(&urlW, pszUrl))
949 return E_INVALIDARG;
950 if((ret = UrlEscapeW(urlW.Buffer, escapedW, &lenW, dwFlags)) == E_POINTER) {
951 escapedW = HeapAlloc(GetProcessHeap(), 0, lenW * sizeof(WCHAR));
952 ret = UrlEscapeW(urlW.Buffer, escapedW, &lenW, dwFlags);
953 }
954 if(ret == S_OK) {
955 RtlUnicodeToMultiByteSize(&lenA, escapedW, lenW * sizeof(WCHAR));
956 if(*pcchEscaped > lenA) {
957 RtlUnicodeToMultiByteN(pszEscaped, *pcchEscaped - 1, &lenA, escapedW, lenW * sizeof(WCHAR));
958 pszEscaped[lenA] = 0;
959 *pcchEscaped = lenA;
960 } else {
961 *pcchEscaped = lenA + 1;
962 ret = E_POINTER;
963 }
964 }
965 if(escapedW != bufW) HeapFree(GetProcessHeap(), 0, escapedW);
966 RtlFreeUnicodeString(&urlW);
967 return ret;
968 }
969
970 #define WINE_URL_BASH_AS_SLASH 0x01
971 #define WINE_URL_COLLAPSE_SLASHES 0x02
972 #define WINE_URL_ESCAPE_SLASH 0x04
973 #define WINE_URL_ESCAPE_HASH 0x08
974 #define WINE_URL_ESCAPE_QUESTION 0x10
975 #define WINE_URL_STOP_ON_HASH 0x20
976 #define WINE_URL_STOP_ON_QUESTION 0x40
977
978 static inline BOOL URL_NeedEscapeW(WCHAR ch, DWORD dwFlags, DWORD int_flags)
979 {
980
981 if (isalnumW(ch))
982 return FALSE;
983
984 if(dwFlags & URL_ESCAPE_SPACES_ONLY) {
985 if(ch == ' ')
986 return TRUE;
987 else
988 return FALSE;
989 }
990
991 if ((dwFlags & URL_ESCAPE_PERCENT) && (ch == '%'))
992 return TRUE;
993
994 if (ch <= 31 || ch >= 127)
995 return TRUE;
996
997 else {
998 switch (ch) {
999 case ' ':
1000 case '<':
1001 case '>':
1002 case '\"':
1003 case '{':
1004 case '}':
1005 case '|':
1006 case '\\':
1007 case '^':
1008 case ']':
1009 case '[':
1010 case '`':
1011 case '&':
1012 return TRUE;
1013
1014 case '/':
1015 if (int_flags & WINE_URL_ESCAPE_SLASH) return TRUE;
1016 return FALSE;
1017
1018 case '?':
1019 if (int_flags & WINE_URL_ESCAPE_QUESTION) return TRUE;
1020 return FALSE;
1021
1022 case '#':
1023 if (int_flags & WINE_URL_ESCAPE_HASH) return TRUE;
1024 return FALSE;
1025
1026 default:
1027 return FALSE;
1028 }
1029 }
1030 }
1031
1032
1033 /*************************************************************************
1034 * UrlEscapeW [SHLWAPI.@]
1035 *
1036 * Converts unsafe characters in a Url into escape sequences.
1037 *
1038 * PARAMS
1039 * pszUrl [I] Url to modify
1040 * pszEscaped [O] Destination for modified Url
1041 * pcchEscaped [I/O] Length of pszUrl, destination for length of pszEscaped
1042 * dwFlags [I] URL_ flags from "shlwapi.h"
1043 *
1044 * RETURNS
1045 * Success: S_OK. pszEscaped contains the escaped Url, pcchEscaped
1046 * contains its length.
1047 * Failure: E_POINTER, if pszEscaped is not large enough. In this case
1048 * pcchEscaped is set to the required length.
1049 *
1050 * Converts unsafe characters into their escape sequences.
1051 *
1052 * NOTES
1053 * - By default this function stops converting at the first '?' or
1054 * '#' character.
1055 * - If dwFlags contains URL_ESCAPE_SPACES_ONLY then only spaces are
1056 * converted, but the conversion continues past a '?' or '#'.
1057 * - Note that this function did not work well (or at all) in shlwapi version 4.
1058 *
1059 * BUGS
1060 * Only the following flags are implemented:
1061 *| URL_ESCAPE_SPACES_ONLY
1062 *| URL_DONT_ESCAPE_EXTRA_INFO
1063 *| URL_ESCAPE_SEGMENT_ONLY
1064 *| URL_ESCAPE_PERCENT
1065 */
1066 HRESULT WINAPI UrlEscapeW(
1067 LPCWSTR pszUrl,
1068 LPWSTR pszEscaped,
1069 LPDWORD pcchEscaped,
1070 DWORD dwFlags)
1071 {
1072 LPCWSTR src;
1073 DWORD needed = 0, ret;
1074 BOOL stop_escaping = FALSE;
1075 WCHAR next[5], *dst = pszEscaped, *dst_ptr = NULL;
1076 INT len;
1077 PARSEDURLW parsed_url;
1078 DWORD int_flags;
1079 DWORD slashes = 0;
1080 static const WCHAR localhost[] = {'l','o','c','a','l','h','o','s','t',0};
1081
1082 TRACE("(%p(%s) %p %p 0x%08x)\n", pszUrl, debugstr_w(pszUrl),
1083 pszEscaped, pcchEscaped, dwFlags);
1084
1085 if(!pszUrl || !pcchEscaped)
1086 return E_INVALIDARG;
1087
1088 if(dwFlags & ~(URL_ESCAPE_SPACES_ONLY |
1089 URL_ESCAPE_SEGMENT_ONLY |
1090 URL_DONT_ESCAPE_EXTRA_INFO |
1091 URL_ESCAPE_PERCENT))
1092 FIXME("Unimplemented flags: %08x\n", dwFlags);
1093
1094 if(pszUrl == pszEscaped) {
1095 dst_ptr = dst = HeapAlloc(GetProcessHeap(), 0, *pcchEscaped*sizeof(WCHAR));
1096 if(!dst)
1097 return E_OUTOFMEMORY;
1098 }
1099
1100 /* fix up flags */
1101 if (dwFlags & URL_ESCAPE_SPACES_ONLY)
1102 /* if SPACES_ONLY specified, reset the other controls */
1103 dwFlags &= ~(URL_DONT_ESCAPE_EXTRA_INFO |
1104 URL_ESCAPE_PERCENT |
1105 URL_ESCAPE_SEGMENT_ONLY);
1106
1107 else
1108 /* if SPACES_ONLY *not* specified the assume DONT_ESCAPE_EXTRA_INFO */
1109 dwFlags |= URL_DONT_ESCAPE_EXTRA_INFO;
1110
1111
1112 int_flags = 0;
1113 if(dwFlags & URL_ESCAPE_SEGMENT_ONLY) {
1114 int_flags = WINE_URL_ESCAPE_QUESTION | WINE_URL_ESCAPE_HASH | WINE_URL_ESCAPE_SLASH;
1115 } else {
1116 parsed_url.cbSize = sizeof(parsed_url);
1117 if(ParseURLW(pszUrl, &parsed_url) != S_OK)
1118 parsed_url.nScheme = URL_SCHEME_INVALID;
1119
1120 TRACE("scheme = %d (%s)\n", parsed_url.nScheme, debugstr_wn(parsed_url.pszProtocol, parsed_url.cchProtocol));
1121
1122 if(dwFlags & URL_DONT_ESCAPE_EXTRA_INFO)
1123 int_flags = WINE_URL_STOP_ON_HASH | WINE_URL_STOP_ON_QUESTION;
1124
1125 switch(parsed_url.nScheme) {
1126 case URL_SCHEME_FILE:
1127 int_flags |= WINE_URL_BASH_AS_SLASH | WINE_URL_COLLAPSE_SLASHES | WINE_URL_ESCAPE_HASH;
1128 int_flags &= ~WINE_URL_STOP_ON_HASH;
1129 break;
1130
1131 case URL_SCHEME_HTTP:
1132 case URL_SCHEME_HTTPS:
1133 int_flags |= WINE_URL_BASH_AS_SLASH;
1134 if(parsed_url.pszSuffix[0] != '/' && parsed_url.pszSuffix[0] != '\\')
1135 int_flags |= WINE_URL_ESCAPE_SLASH;
1136 break;
1137
1138 case URL_SCHEME_MAILTO:
1139 int_flags |= WINE_URL_ESCAPE_SLASH | WINE_URL_ESCAPE_QUESTION | WINE_URL_ESCAPE_HASH;
1140 int_flags &= ~(WINE_URL_STOP_ON_QUESTION | WINE_URL_STOP_ON_HASH);
1141 break;
1142
1143 case URL_SCHEME_INVALID:
1144 break;
1145
1146 case URL_SCHEME_FTP:
1147 default:
1148 if(parsed_url.pszSuffix[0] != '/')
1149 int_flags |= WINE_URL_ESCAPE_SLASH;
1150 break;
1151 }
1152 }
1153
1154 for(src = pszUrl; *src; ) {
1155 WCHAR cur = *src;
1156 len = 0;
1157
1158 if((int_flags & WINE_URL_COLLAPSE_SLASHES) && src == pszUrl + parsed_url.cchProtocol + 1) {
1159 int localhost_len = sizeof(localhost)/sizeof(WCHAR) - 1;
1160 while(cur == '/' || cur == '\\') {
1161 slashes++;
1162 cur = *++src;
1163 }
1164 if(slashes == 2 && !strncmpiW(src, localhost, localhost_len)) { /* file://localhost/ -> file:/// */
1165 if(*(src + localhost_len) == '/' || *(src + localhost_len) == '\\')
1166 src += localhost_len + 1;
1167 slashes = 3;
1168 }
1169
1170 switch(slashes) {
1171 case 1:
1172 case 3:
1173 next[0] = next[1] = next[2] = '/';
1174 len = 3;
1175 break;
1176 case 0:
1177 len = 0;
1178 break;
1179 default:
1180 next[0] = next[1] = '/';
1181 len = 2;
1182 break;
1183 }
1184 }
1185 if(len == 0) {
1186
1187 if(cur == '#' && (int_flags & WINE_URL_STOP_ON_HASH))
1188 stop_escaping = TRUE;
1189
1190 if(cur == '?' && (int_flags & WINE_URL_STOP_ON_QUESTION))
1191 stop_escaping = TRUE;
1192
1193 if(cur == '\\' && (int_flags & WINE_URL_BASH_AS_SLASH) && !stop_escaping) cur = '/';
1194
1195 if(URL_NeedEscapeW(cur, dwFlags, int_flags) && stop_escaping == FALSE) {
1196 next[0] = '%';
1197 next[1] = hexDigits[(cur >> 4) & 0xf];
1198 next[2] = hexDigits[cur & 0xf];
1199 len = 3;
1200 } else {
1201 next[0] = cur;
1202 len = 1;
1203 }
1204 src++;
1205 }
1206
1207 if(needed + len <= *pcchEscaped) {
1208 memcpy(dst, next, len*sizeof(WCHAR));
1209 dst += len;
1210 }
1211 needed += len;
1212 }
1213
1214 if(needed < *pcchEscaped) {
1215 *dst = '\0';
1216 if(pszUrl == pszEscaped)
1217 memcpy(pszEscaped, dst-needed, (needed+1)*sizeof(WCHAR));
1218
1219 ret = S_OK;
1220 } else {
1221 needed++; /* add one for the '\0' */
1222 ret = E_POINTER;
1223 }
1224 *pcchEscaped = needed;
1225
1226 if(pszUrl == pszEscaped)
1227 HeapFree(GetProcessHeap(), 0, dst_ptr);
1228 return ret;
1229 }
1230
1231
1232 /*************************************************************************
1233 * UrlUnescapeA [SHLWAPI.@]
1234 *
1235 * Converts Url escape sequences back to ordinary characters.
1236 *
1237 * PARAMS
1238 * pszUrl [I/O] Url to convert
1239 * pszUnescaped [O] Destination for converted Url
1240 * pcchUnescaped [I/O] Size of output string
1241 * dwFlags [I] URL_ESCAPE_ Flags from "shlwapi.h"
1242 *
1243 * RETURNS
1244 * Success: S_OK. The converted value is in pszUnescaped, or in pszUrl if
1245 * dwFlags includes URL_ESCAPE_INPLACE.
1246 * Failure: E_POINTER if the converted Url is bigger than pcchUnescaped. In
1247 * this case pcchUnescaped is set to the size required.
1248 * NOTES
1249 * If dwFlags includes URL_DONT_ESCAPE_EXTRA_INFO, the conversion stops at
1250 * the first occurrence of either a '?' or '#' character.
1251 */
1252 HRESULT WINAPI UrlUnescapeA(
1253 LPSTR pszUrl,
1254 LPSTR pszUnescaped,
1255 LPDWORD pcchUnescaped,
1256 DWORD dwFlags)
1257 {
1258 char *dst, next;
1259 LPCSTR src;
1260 HRESULT ret;
1261 DWORD needed;
1262 BOOL stop_unescaping = FALSE;
1263
1264 TRACE("(%s, %p, %p, 0x%08x)\n", debugstr_a(pszUrl), pszUnescaped,
1265 pcchUnescaped, dwFlags);
1266
1267 if (!pszUrl) return E_INVALIDARG;
1268
1269 if(dwFlags & URL_UNESCAPE_INPLACE)
1270 dst = pszUrl;
1271 else
1272 {
1273 if (!pszUnescaped || !pcchUnescaped) return E_INVALIDARG;
1274 dst = pszUnescaped;
1275 }
1276
1277 for(src = pszUrl, needed = 0; *src; src++, needed++) {
1278 if(dwFlags & URL_DONT_UNESCAPE_EXTRA_INFO &&
1279 (*src == '#' || *src == '?')) {
1280 stop_unescaping = TRUE;
1281 next = *src;
1282 } else if(*src == '%' && isxdigit(*(src + 1)) && isxdigit(*(src + 2))
1283 && stop_unescaping == FALSE) {
1284 INT ih;
1285 char buf[3];
1286 memcpy(buf, src + 1, 2);
1287 buf[2] = '\0';
1288 ih = strtol(buf, NULL, 16);
1289 next = (CHAR) ih;
1290 src += 2; /* Advance to end of escape */
1291 } else
1292 next = *src;
1293
1294 if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped)
1295 *dst++ = next;
1296 }
1297
1298 if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped) {
1299 *dst = '\0';
1300 ret = S_OK;
1301 } else {
1302 needed++; /* add one for the '\0' */
1303 ret = E_POINTER;
1304 }
1305 if(!(dwFlags & URL_UNESCAPE_INPLACE))
1306 *pcchUnescaped = needed;
1307
1308 if (ret == S_OK) {
1309 TRACE("result %s\n", (dwFlags & URL_UNESCAPE_INPLACE) ?
1310 debugstr_a(pszUrl) : debugstr_a(pszUnescaped));
1311 }
1312
1313 return ret;
1314 }
1315
1316 /*************************************************************************
1317 * UrlUnescapeW [SHLWAPI.@]
1318 *
1319 * See UrlUnescapeA.
1320 */
1321 HRESULT WINAPI UrlUnescapeW(
1322 LPWSTR pszUrl,
1323 LPWSTR pszUnescaped,
1324 LPDWORD pcchUnescaped,
1325 DWORD dwFlags)
1326 {
1327 WCHAR *dst, next;
1328 LPCWSTR src;
1329 HRESULT ret;
1330 DWORD needed;
1331 BOOL stop_unescaping = FALSE;
1332
1333 TRACE("(%s, %p, %p, 0x%08x)\n", debugstr_w(pszUrl), pszUnescaped,
1334 pcchUnescaped, dwFlags);
1335
1336 if(!pszUrl) return E_INVALIDARG;
1337
1338 if(dwFlags & URL_UNESCAPE_INPLACE)
1339 dst = pszUrl;
1340 else
1341 {
1342 if (!pszUnescaped || !pcchUnescaped) return E_INVALIDARG;
1343 dst = pszUnescaped;
1344 }
1345
1346 for(src = pszUrl, needed = 0; *src; src++, needed++) {
1347 if(dwFlags & URL_DONT_UNESCAPE_EXTRA_INFO &&
1348 (*src == '#' || *src == '?')) {
1349 stop_unescaping = TRUE;
1350 next = *src;
1351 } else if(*src == '%' && isxdigitW(*(src + 1)) && isxdigitW(*(src + 2))
1352 && stop_unescaping == FALSE) {
1353 INT ih;
1354 WCHAR buf[5] = {'0','x',0};
1355 memcpy(buf + 2, src + 1, 2*sizeof(WCHAR));
1356 buf[4] = 0;
1357 StrToIntExW(buf, STIF_SUPPORT_HEX, &ih);
1358 next = (WCHAR) ih;
1359 src += 2; /* Advance to end of escape */
1360 } else
1361 next = *src;
1362
1363 if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped)
1364 *dst++ = next;
1365 }
1366
1367 if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped) {
1368 *dst = '\0';
1369 ret = S_OK;
1370 } else {
1371 needed++; /* add one for the '\0' */
1372 ret = E_POINTER;
1373 }
1374 if(!(dwFlags & URL_UNESCAPE_INPLACE))
1375 *pcchUnescaped = needed;
1376
1377 if (ret == S_OK) {
1378 TRACE("result %s\n", (dwFlags & URL_UNESCAPE_INPLACE) ?
1379 debugstr_w(pszUrl) : debugstr_w(pszUnescaped));
1380 }
1381
1382 return ret;
1383 }
1384
1385 /*************************************************************************
1386 * UrlGetLocationA [SHLWAPI.@]
1387 *
1388 * Get the location from a Url.
1389 *
1390 * PARAMS
1391 * pszUrl [I] Url to get the location from
1392 *
1393 * RETURNS
1394 * A pointer to the start of the location in pszUrl, or NULL if there is
1395 * no location.
1396 *
1397 * NOTES
1398 * - MSDN erroneously states that "The location is the segment of the Url
1399 * starting with a '?' or '#' character". Neither V4 nor V5 of shlwapi.dll
1400 * stop at '?' and always return a NULL in this case.
1401 * - MSDN also erroneously states that "If a file URL has a query string,
1402 * the returned string is the query string". In all tested cases, if the
1403 * Url starts with "fi" then a NULL is returned. V5 gives the following results:
1404 *| Result Url
1405 *| ------ ---
1406 *| NULL file://aa/b/cd#hohoh
1407 *| #hohoh http://aa/b/cd#hohoh
1408 *| NULL fi://aa/b/cd#hohoh
1409 *| #hohoh ff://aa/b/cd#hohoh
1410 */
1411 LPCSTR WINAPI UrlGetLocationA(
1412 LPCSTR pszUrl)
1413 {
1414 PARSEDURLA base;
1415 DWORD res1;
1416
1417 base.cbSize = sizeof(base);
1418 res1 = ParseURLA(pszUrl, &base);
1419 if (res1) return NULL; /* invalid scheme */
1420
1421 /* if scheme is file: then never return pointer */
1422 if (strncmp(base.pszProtocol, "file", min(4,base.cchProtocol)) == 0) return NULL;
1423
1424 /* Look for '#' and return its addr */
1425 return strchr(base.pszSuffix, '#');
1426 }
1427
1428 /*************************************************************************
1429 * UrlGetLocationW [SHLWAPI.@]
1430 *
1431 * See UrlGetLocationA.
1432 */
1433 LPCWSTR WINAPI UrlGetLocationW(
1434 LPCWSTR pszUrl)
1435 {
1436 PARSEDURLW base;
1437 DWORD res1;
1438
1439 base.cbSize = sizeof(base);
1440 res1 = ParseURLW(pszUrl, &base);
1441 if (res1) return NULL; /* invalid scheme */
1442
1443 /* if scheme is file: then never return pointer */
1444 if (strncmpW(base.pszProtocol, fileW, min(4,base.cchProtocol)) == 0) return NULL;
1445
1446 /* Look for '#' and return its addr */
1447 return strchrW(base.pszSuffix, '#');
1448 }
1449
1450 /*************************************************************************
1451 * UrlCompareA [SHLWAPI.@]
1452 *
1453 * Compare two Urls.
1454 *
1455 * PARAMS
1456 * pszUrl1 [I] First Url to compare
1457 * pszUrl2 [I] Url to compare to pszUrl1
1458 * fIgnoreSlash [I] TRUE = compare only up to a final slash
1459 *
1460 * RETURNS
1461 * less than zero, zero, or greater than zero indicating pszUrl2 is greater
1462 * than, equal to, or less than pszUrl1 respectively.
1463 */
1464 INT WINAPI UrlCompareA(
1465 LPCSTR pszUrl1,
1466 LPCSTR pszUrl2,
1467 BOOL fIgnoreSlash)
1468 {
1469 INT ret, len, len1, len2;
1470
1471 if (!fIgnoreSlash)
1472 return strcmp(pszUrl1, pszUrl2);
1473 len1 = strlen(pszUrl1);
1474 if (pszUrl1[len1-1] == '/') len1--;
1475 len2 = strlen(pszUrl2);
1476 if (pszUrl2[len2-1] == '/') len2--;
1477 if (len1 == len2)
1478 return strncmp(pszUrl1, pszUrl2, len1);
1479 len = min(len1, len2);
1480 ret = strncmp(pszUrl1, pszUrl2, len);
1481 if (ret) return ret;
1482 if (len1 > len2) return 1;
1483 return -1;
1484 }
1485
1486 /*************************************************************************
1487 * UrlCompareW [SHLWAPI.@]
1488 *
1489 * See UrlCompareA.
1490 */
1491 INT WINAPI UrlCompareW(
1492 LPCWSTR pszUrl1,
1493 LPCWSTR pszUrl2,
1494 BOOL fIgnoreSlash)
1495 {
1496 INT ret;
1497 size_t len, len1, len2;
1498
1499 if (!fIgnoreSlash)
1500 return strcmpW(pszUrl1, pszUrl2);
1501 len1 = strlenW(pszUrl1);
1502 if (pszUrl1[len1-1] == '/') len1--;
1503 len2 = strlenW(pszUrl2);
1504 if (pszUrl2[len2-1] == '/') len2--;
1505 if (len1 == len2)
1506 return strncmpW(pszUrl1, pszUrl2, len1);
1507 len = min(len1, len2);
1508 ret = strncmpW(pszUrl1, pszUrl2, len);
1509 if (ret) return ret;
1510 if (len1 > len2) return 1;
1511 return -1;
1512 }
1513
1514 /*************************************************************************
1515 * HashData [SHLWAPI.@]
1516 *
1517 * Hash an input block into a variable sized digest.
1518 *
1519 * PARAMS
1520 * lpSrc [I] Input block
1521 * nSrcLen [I] Length of lpSrc
1522 * lpDest [I] Output for hash digest
1523 * nDestLen [I] Length of lpDest
1524 *
1525 * RETURNS
1526 * Success: TRUE. lpDest is filled with the computed hash value.
1527 * Failure: FALSE, if any argument is invalid.
1528 */
1529 HRESULT WINAPI HashData(const unsigned char *lpSrc, DWORD nSrcLen,
1530 unsigned char *lpDest, DWORD nDestLen)
1531 {
1532 INT srcCount = nSrcLen - 1, destCount = nDestLen - 1;
1533
1534 if (!lpSrc || !lpDest)
1535 return E_INVALIDARG;
1536
1537 while (destCount >= 0)
1538 {
1539 lpDest[destCount] = (destCount & 0xff);
1540 destCount--;
1541 }
1542
1543 while (srcCount >= 0)
1544 {
1545 destCount = nDestLen - 1;
1546 while (destCount >= 0)
1547 {
1548 lpDest[destCount] = HashDataLookup[lpSrc[srcCount] ^ lpDest[destCount]];
1549 destCount--;
1550 }
1551 srcCount--;
1552 }
1553 return S_OK;
1554 }
1555
1556 /*************************************************************************
1557 * UrlHashA [SHLWAPI.@]
1558 *
1559 * Produce a Hash from a Url.
1560 *
1561 * PARAMS
1562 * pszUrl [I] Url to hash
1563 * lpDest [O] Destinationh for hash
1564 * nDestLen [I] Length of lpDest
1565 *
1566 * RETURNS
1567 * Success: S_OK. lpDest is filled with the computed hash value.
1568 * Failure: E_INVALIDARG, if any argument is invalid.
1569 */
1570 HRESULT WINAPI UrlHashA(LPCSTR pszUrl, unsigned char *lpDest, DWORD nDestLen)
1571 {
1572 if (IsBadStringPtrA(pszUrl, -1) || IsBadWritePtr(lpDest, nDestLen))
1573 return E_INVALIDARG;
1574
1575 HashData((const BYTE*)pszUrl, (int)strlen(pszUrl), lpDest, nDestLen);
1576 return S_OK;
1577 }
1578
1579 /*************************************************************************
1580 * UrlHashW [SHLWAPI.@]
1581 *
1582 * See UrlHashA.
1583 */
1584 HRESULT WINAPI UrlHashW(LPCWSTR pszUrl, unsigned char *lpDest, DWORD nDestLen)
1585 {
1586 char szUrl[MAX_PATH];
1587
1588 TRACE("(%s,%p,%d)\n",debugstr_w(pszUrl), lpDest, nDestLen);
1589
1590 if (IsBadStringPtrW(pszUrl, -1) || IsBadWritePtr(lpDest, nDestLen))
1591 return E_INVALIDARG;
1592
1593 /* Win32 hashes the data as an ASCII string, presumably so that both A+W
1594 * return the same digests for the same URL.
1595 */
1596 WideCharToMultiByte(0, 0, pszUrl, -1, szUrl, MAX_PATH, 0, 0);
1597 HashData((const BYTE*)szUrl, (int)strlen(szUrl), lpDest, nDestLen);
1598 return S_OK;
1599 }
1600
1601 /*************************************************************************
1602 * UrlApplySchemeA [SHLWAPI.@]
1603 *
1604 * Apply a scheme to a Url.
1605 *
1606 * PARAMS
1607 * pszIn [I] Url to apply scheme to
1608 * pszOut [O] Destination for modified Url
1609 * pcchOut [I/O] Length of pszOut/destination for length of pszOut
1610 * dwFlags [I] URL_ flags from "shlwapi.h"
1611 *
1612 * RETURNS
1613 * Success: S_OK: pszOut contains the modified Url, pcchOut contains its length.
1614 * Failure: An HRESULT error code describing the error.
1615 */
1616 HRESULT WINAPI UrlApplySchemeA(LPCSTR pszIn, LPSTR pszOut, LPDWORD pcchOut, DWORD dwFlags)
1617 {
1618 LPWSTR in, out;
1619 HRESULT ret;
1620 DWORD len;
1621
1622 TRACE("(%s, %p, %p:out size %d, 0x%08x)\n", debugstr_a(pszIn),
1623 pszOut, pcchOut, pcchOut ? *pcchOut : 0, dwFlags);
1624
1625 if (!pszIn || !pszOut || !pcchOut) return E_INVALIDARG;
1626
1627 in = HeapAlloc(GetProcessHeap(), 0,
1628 (2*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR));
1629 out = in + INTERNET_MAX_URL_LENGTH;
1630
1631 MultiByteToWideChar(CP_ACP, 0, pszIn, -1, in, INTERNET_MAX_URL_LENGTH);
1632 len = INTERNET_MAX_URL_LENGTH;
1633
1634 ret = UrlApplySchemeW(in, out, &len, dwFlags);
1635 if (ret != S_OK) {
1636 HeapFree(GetProcessHeap(), 0, in);
1637 return ret;
1638 }
1639
1640 len = WideCharToMultiByte(CP_ACP, 0, out, -1, NULL, 0, NULL, NULL);
1641 if (len > *pcchOut) {
1642 ret = E_POINTER;
1643 goto cleanup;
1644 }
1645
1646 WideCharToMultiByte(CP_ACP, 0, out, -1, pszOut, *pcchOut, NULL, NULL);
1647 len--;
1648
1649 cleanup:
1650 *pcchOut = len;
1651 HeapFree(GetProcessHeap(), 0, in);
1652 return ret;
1653 }
1654
1655 static HRESULT URL_GuessScheme(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut)
1656 {
1657 HKEY newkey;
1658 BOOL j;
1659 INT index;
1660 DWORD value_len, data_len, dwType, i;
1661 WCHAR reg_path[MAX_PATH];
1662 WCHAR value[MAX_PATH], data[MAX_PATH];
1663 WCHAR Wxx, Wyy;
1664
1665 MultiByteToWideChar(0, 0,
1666 "Software\\Microsoft\\Windows\\CurrentVersion\\URL\\Prefixes",
1667 -1, reg_path, MAX_PATH);
1668 RegOpenKeyExW(HKEY_LOCAL_MACHINE, reg_path, 0, 1, &newkey);
1669 index = 0;
1670 while(value_len = data_len = MAX_PATH,
1671 RegEnumValueW(newkey, index, value, &value_len,
1672 0, &dwType, (LPVOID)data, &data_len) == 0) {
1673 TRACE("guess %d %s is %s\n",
1674 index, debugstr_w(value), debugstr_w(data));
1675
1676 j = FALSE;
1677 for(i=0; i<value_len; i++) {
1678 Wxx = pszIn[i];
1679 Wyy = value[i];
1680 /* remember that TRUE is not-equal */
1681 j = ChrCmpIW(Wxx, Wyy);
1682 if (j) break;
1683 }
1684 if ((i == value_len) && !j) {
1685 if (strlenW(data) + strlenW(pszIn) + 1 > *pcchOut) {
1686 *pcchOut = strlenW(data) + strlenW(pszIn) + 1;
1687 RegCloseKey(newkey);
1688 return E_POINTER;
1689 }
1690 strcpyW(pszOut, data);
1691 strcatW(pszOut, pszIn);
1692 *pcchOut = strlenW(pszOut);
1693 TRACE("matched and set to %s\n", debugstr_w(pszOut));
1694 RegCloseKey(newkey);
1695 return S_OK;
1696 }
1697 index++;
1698 }
1699 RegCloseKey(newkey);
1700 return E_FAIL;
1701 }
1702
1703 static HRESULT URL_CreateFromPath(LPCWSTR pszPath, LPWSTR pszUrl, LPDWORD pcchUrl)
1704 {
1705 DWORD needed;
1706 HRESULT ret = S_OK;
1707 WCHAR *pszNewUrl;
1708 WCHAR file_colonW[] = {'f','i','l','e',':',0};
1709 WCHAR three_slashesW[] = {'/','/','/',0};
1710 PARSEDURLW parsed_url;
1711
1712 parsed_url.cbSize = sizeof(parsed_url);
1713 if(ParseURLW(pszPath, &parsed_url) == S_OK) {
1714 if(parsed_url.nScheme != URL_SCHEME_INVALID && parsed_url.cchProtocol > 1) {
1715 needed = strlenW(pszPath);
1716 if (needed >= *pcchUrl) {
1717 *pcchUrl = needed + 1;
1718 return E_POINTER;
1719 } else {
1720 *pcchUrl = needed;
1721 return S_FALSE;
1722 }
1723 }
1724 }
1725
1726 pszNewUrl = HeapAlloc(GetProcessHeap(), 0, (strlenW(pszPath) + 9) * sizeof(WCHAR)); /* "file:///" + pszPath_len + 1 */
1727 strcpyW(pszNewUrl, file_colonW);
1728 if(isalphaW(pszPath[0]) && pszPath[1] == ':')
1729 strcatW(pszNewUrl, three_slashesW);
1730 strcatW(pszNewUrl, pszPath);
1731 ret = UrlEscapeW(pszNewUrl, pszUrl, pcchUrl, URL_ESCAPE_PERCENT);
1732 HeapFree(GetProcessHeap(), 0, pszNewUrl);
1733 return ret;
1734 }
1735
1736 static HRESULT URL_ApplyDefault(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut)
1737 {
1738 HKEY newkey;
1739 DWORD data_len, dwType;
1740 WCHAR data[MAX_PATH];
1741
1742 static const WCHAR prefix_keyW[] =
1743 {'S','o','f','t','w','a','r','e',
1744 '\\','M','i','c','r','o','s','o','f','t',
1745 '\\','W','i','n','d','o','w','s',
1746 '\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
1747 '\\','U','R','L',
1748 '\\','D','e','f','a','u','l','t','P','r','e','f','i','x',0};
1749
1750 /* get and prepend default */
1751 RegOpenKeyExW(HKEY_LOCAL_MACHINE, prefix_keyW, 0, 1, &newkey);
1752 data_len = sizeof(data);
1753 RegQueryValueExW(newkey, NULL, 0, &dwType, (LPBYTE)data, &data_len);
1754 RegCloseKey(newkey);
1755 if (strlenW(data) + strlenW(pszIn) + 1 > *pcchOut) {
1756 *pcchOut = strlenW(data) + strlenW(pszIn) + 1;
1757 return E_POINTER;
1758 }
1759 strcpyW(pszOut, data);
1760 strcatW(pszOut, pszIn);
1761 *pcchOut = strlenW(pszOut);
1762 TRACE("used default %s\n", debugstr_w(pszOut));
1763 return S_OK;
1764 }
1765
1766 /*************************************************************************
1767 * UrlApplySchemeW [SHLWAPI.@]
1768 *
1769 * See UrlApplySchemeA.
1770 */
1771 HRESULT WINAPI UrlApplySchemeW(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut, DWORD dwFlags)
1772 {
1773 PARSEDURLW in_scheme;
1774 DWORD res1;
1775 HRESULT ret;
1776
1777 TRACE("(%s, %p, %p:out size %d, 0x%08x)\n", debugstr_w(pszIn),
1778 pszOut, pcchOut, pcchOut ? *pcchOut : 0, dwFlags);
1779
1780 if (!pszIn || !pszOut || !pcchOut) return E_INVALIDARG;
1781
1782 if (dwFlags & URL_APPLY_GUESSFILE) {
1783 if (*pcchOut > 1 && ':' == pszIn[1]) {
1784 res1 = *pcchOut;
1785 ret = URL_CreateFromPath(pszIn, pszOut, &res1);
1786 if (ret == S_OK || ret == E_POINTER){
1787 *pcchOut = res1;
1788 return ret;
1789 }
1790 else if (ret == S_FALSE)
1791 {
1792 return ret;
1793 }
1794 }
1795 }
1796
1797 in_scheme.cbSize = sizeof(in_scheme);
1798 /* See if the base has a scheme */
1799 res1 = ParseURLW(pszIn, &in_scheme);
1800 if (res1) {
1801 /* no scheme in input, need to see if we need to guess */
1802 if (dwFlags & URL_APPLY_GUESSSCHEME) {
1803 if ((ret = URL_GuessScheme(pszIn, pszOut, pcchOut)) != E_FAIL)
1804 return ret;
1805 }
1806 }
1807
1808 /* If we are here, then either invalid scheme,
1809 * or no scheme and can't/failed guess.
1810 */
1811 if ( ( ((res1 == 0) && (dwFlags & URL_APPLY_FORCEAPPLY)) ||
1812 ((res1 != 0)) ) &&
1813 (dwFlags & URL_APPLY_DEFAULT)) {
1814 /* find and apply default scheme */
1815 return URL_ApplyDefault(pszIn, pszOut, pcchOut);
1816 }
1817
1818 return S_FALSE;
1819 }
1820
1821 /*************************************************************************
1822 * UrlIsA [SHLWAPI.@]
1823 *
1824 * Determine if a Url is of a certain class.
1825 *
1826 * PARAMS
1827 * pszUrl [I] Url to check
1828 * Urlis [I] URLIS_ constant from "shlwapi.h"
1829 *
1830 * RETURNS
1831 * TRUE if pszUrl belongs to the class type in Urlis.
1832 * FALSE Otherwise.
1833 */
1834 BOOL WINAPI UrlIsA(LPCSTR pszUrl, URLIS Urlis)
1835 {
1836 PARSEDURLA base;
1837 DWORD res1;
1838 LPCSTR last;
1839
1840 TRACE("(%s %d)\n", debugstr_a(pszUrl), Urlis);
1841
1842 if(!pszUrl)
1843 return FALSE;
1844
1845 switch (Urlis) {
1846
1847 case URLIS_OPAQUE:
1848 base.cbSize = sizeof(base);
1849 res1 = ParseURLA(pszUrl, &base);
1850 if (res1) return FALSE; /* invalid scheme */
1851 switch (base.nScheme)
1852 {
1853 case URL_SCHEME_MAILTO:
1854 case URL_SCHEME_SHELL:
1855 case URL_SCHEME_JAVASCRIPT:
1856 case URL_SCHEME_VBSCRIPT:
1857 case URL_SCHEME_ABOUT:
1858 return TRUE;
1859 }
1860 return FALSE;
1861
1862 case URLIS_FILEURL:
1863 return !StrCmpNA("file:", pszUrl, 5);
1864
1865 case URLIS_DIRECTORY:
1866 last = pszUrl + strlen(pszUrl) - 1;
1867 return (last >= pszUrl && (*last == '/' || *last == '\\' ));
1868
1869 case URLIS_URL:
1870 return PathIsURLA(pszUrl);
1871
1872 case URLIS_NOHISTORY:
1873 case URLIS_APPLIABLE:
1874 case URLIS_HASQUERY:
1875 default:
1876 FIXME("(%s %d): stub\n", debugstr_a(pszUrl), Urlis);
1877 }
1878 return FALSE;
1879 }
1880
1881 /*************************************************************************
1882 * UrlIsW [SHLWAPI.@]
1883 *
1884 * See UrlIsA.
1885 */
1886 BOOL WINAPI UrlIsW(LPCWSTR pszUrl, URLIS Urlis)
1887 {
1888 static const WCHAR stemp[] = { 'f','i','l','e',':',0 };
1889 PARSEDURLW base;
1890 DWORD res1;
1891 LPCWSTR last;
1892
1893 TRACE("(%s %d)\n", debugstr_w(pszUrl), Urlis);
1894
1895 if(!pszUrl)
1896 return FALSE;
1897
1898 switch (Urlis) {
1899
1900 case URLIS_OPAQUE:
1901 base.cbSize = sizeof(base);
1902 res1 = ParseURLW(pszUrl, &base);
1903 if (res1) return FALSE; /* invalid scheme */
1904 switch (base.nScheme)
1905 {
1906 case URL_SCHEME_MAILTO:
1907 case URL_SCHEME_SHELL:
1908 case URL_SCHEME_JAVASCRIPT:
1909 case URL_SCHEME_VBSCRIPT:
1910 case URL_SCHEME_ABOUT:
1911 return TRUE;
1912 }
1913 return FALSE;
1914
1915 case URLIS_FILEURL:
1916 return !strncmpW(stemp, pszUrl, 5);
1917
1918 case URLIS_DIRECTORY:
1919 last = pszUrl + strlenW(pszUrl) - 1;
1920 return (last >= pszUrl && (*last == '/' || *last == '\\'));
1921
1922 case URLIS_URL:
1923 return PathIsURLW(pszUrl);
1924
1925 case URLIS_NOHISTORY:
1926 case URLIS_APPLIABLE:
1927 case URLIS_HASQUERY:
1928 default:
1929 FIXME("(%s %d): stub\n", debugstr_w(pszUrl), Urlis);
1930 }
1931 return FALSE;
1932 }
1933
1934 /*************************************************************************
1935 * UrlIsNoHistoryA [SHLWAPI.@]
1936 *
1937 * Determine if a Url should not be stored in the users history list.
1938 *
1939 * PARAMS
1940 * pszUrl [I] Url to check
1941 *
1942 * RETURNS
1943 * TRUE, if pszUrl should be excluded from the history list,
1944 * FALSE otherwise.
1945 */
1946 BOOL WINAPI UrlIsNoHistoryA(LPCSTR pszUrl)
1947 {
1948 return UrlIsA(pszUrl, URLIS_NOHISTORY);
1949 }
1950
1951 /*************************************************************************
1952 * UrlIsNoHistoryW [SHLWAPI.@]
1953 *
1954 * See UrlIsNoHistoryA.
1955 */
1956 BOOL WINAPI UrlIsNoHistoryW(LPCWSTR pszUrl)
1957 {
1958 return UrlIsW(pszUrl, URLIS_NOHISTORY);
1959 }
1960
1961 /*************************************************************************
1962 * UrlIsOpaqueA [SHLWAPI.@]
1963 *
1964 * Determine if a Url is opaque.
1965 *
1966 * PARAMS
1967 * pszUrl [I] Url to check
1968 *
1969 * RETURNS
1970 * TRUE if pszUrl is opaque,
1971 * FALSE Otherwise.
1972 *
1973 * NOTES
1974 * An opaque Url is one that does not start with "<protocol>://".
1975 */
1976 BOOL WINAPI UrlIsOpaqueA(LPCSTR pszUrl)
1977 {
1978 return UrlIsA(pszUrl, URLIS_OPAQUE);
1979 }
1980
1981 /*************************************************************************
1982 * UrlIsOpaqueW [SHLWAPI.@]
1983 *
1984 * See UrlIsOpaqueA.
1985 */
1986 BOOL WINAPI UrlIsOpaqueW(LPCWSTR pszUrl)
1987 {
1988 return UrlIsW(pszUrl, URLIS_OPAQUE);
1989 }
1990
1991 /*************************************************************************
1992 * Scans for characters of type "type" and when not matching found,
1993 * returns pointer to it and length in size.
1994 *
1995 * Characters tested based on RFC 1738
1996 */
1997 static LPCWSTR URL_ScanID(LPCWSTR start, LPDWORD size, WINE_URL_SCAN_TYPE type)
1998 {
1999 static DWORD alwayszero = 0;
2000 BOOL cont = TRUE;
2001
2002 *size = 0;
2003
2004 switch(type){
2005
2006 case SCHEME:
2007 while (cont) {
2008 if ( (islowerW(*start) && isalphaW(*start)) ||
2009 isdigitW(*start) ||
2010 (*start == '+') ||
2011 (*start == '-') ||
2012 (*start == '.')) {
2013 start++;
2014 (*size)++;
2015 }
2016 else
2017 cont = FALSE;
2018 }
2019
2020 if(*start != ':')
2021 *size = 0;
2022
2023 break;
2024
2025 case USERPASS:
2026 while (cont) {
2027 if ( isalphaW(*start) ||
2028 isdigitW(*start) ||
2029 /* user/password only characters */
2030 (*start == ';') ||
2031 (*start == '?') ||
2032 (*start == '&') ||
2033 (*start == '=') ||
2034 /* *extra* characters */
2035 (*start == '!') ||
2036 (*start == '*') ||
2037 (*start == '\'') ||
2038 (*start == '(') ||
2039 (*start == ')') ||
2040 (*start == ',') ||
2041 /* *safe* characters */
2042 (*start == '$') ||
2043 (*start == '_') ||
2044 (*start == '+') ||
2045 (*start == '-') ||
2046 (*start == '.') ||
2047 (*start == ' ')) {
2048 start++;
2049 (*size)++;
2050 } else if (*start == '%') {
2051 if (isxdigitW(*(start+1)) &&
2052 isxdigitW(*(start+2))) {
2053 start += 3;
2054 *size += 3;
2055 } else
2056 cont = FALSE;
2057 } else
2058 cont = FALSE;
2059 }
2060 break;
2061
2062 case PORT:
2063 while (cont) {
2064 if (isdigitW(*start)) {
2065 start++;
2066 (*size)++;
2067 }
2068 else
2069 cont = FALSE;
2070 }
2071 break;
2072
2073 case HOST:
2074 while (cont) {
2075 if (isalnumW(*start) ||
2076 (*start == '-') ||
2077 (*start == '.') ||
2078 (*start == ' ') ||
2079 (*start == '*') ) {
2080 start++;
2081 (*size)++;
2082 }
2083 else
2084 cont = FALSE;
2085 }
2086 break;
2087 default:
2088 FIXME("unknown type %d\n", type);
2089 return (LPWSTR)&alwayszero;
2090 }
2091 /* TRACE("scanned %d characters next char %p<%c>\n",
2092 *size, start, *start); */
2093 return start;
2094 }
2095
2096 /*************************************************************************
2097 * Attempt to parse URL into pieces.
2098 */
2099 static LONG URL_ParseUrl(LPCWSTR pszUrl, WINE_PARSE_URL *pl)
2100 {
2101 LPCWSTR work;
2102
2103 memset(pl, 0, sizeof(WINE_PARSE_URL));
2104 pl->pScheme = pszUrl;
2105 work = URL_ScanID(pl->pScheme, &pl->szScheme, SCHEME);
2106 if (!*work || (*work != ':')) goto ErrorExit;
2107 work++;
2108 if ((*work != '/') || (*(work+1) != '/')) goto SuccessExit;
2109 pl->pUserName = work + 2;
2110 work = URL_ScanID(pl->pUserName, &pl->szUserName, USERPASS);
2111 if (*work == ':' ) {
2112 /* parse password */
2113 work++;
2114 pl->pPassword = work;
2115 work = URL_ScanID(pl->pPassword, &pl->szPassword, USERPASS);
2116 if (*work != '@') {
2117 /* what we just parsed must be the hostname and port
2118 * so reset pointers and clear then let it parse */
2119 pl->szUserName = pl->szPassword = 0;
2120 work = pl->pUserName - 1;
2121 pl->pUserName = pl->pPassword = 0;
2122 }
2123 } else if (*work == '@') {
2124 /* no password */
2125 pl->szPassword = 0;
2126 pl->pPassword = 0;
2127 } else if (!*work || (*work == '/') || (*work == '.')) {
2128 /* what was parsed was hostname, so reset pointers and let it parse */
2129 pl->szUserName = pl->szPassword = 0;
2130 work = pl->pUserName - 1;
2131 pl->pUserName = pl->pPassword = 0;
2132 } else goto ErrorExit;
2133
2134 /* now start parsing hostname or hostnumber */
2135 work++;
2136 pl->pHostName = work;
2137 work = URL_ScanID(pl->pHostName, &pl->szHostName, HOST);
2138 if (*work == ':') {
2139 /* parse port */
2140 work++;
2141 pl->pPort = work;
2142 work = URL_ScanID(pl->pPort, &pl->szPort, PORT);
2143 }
2144 if (*work == '/') {
2145 /* see if query string */
2146 pl->pQuery = strchrW(work, '?');
2147 if (pl->pQuery) pl->szQuery = strlenW(pl->pQuery);
2148 }
2149 SuccessExit:
2150 TRACE("parse successful: scheme=%p(%d), user=%p(%d), pass=%p(%d), host=%p(%d), port=%p(%d), query=%p(%d)\n",
2151 pl->pScheme, pl->szScheme,
2152 pl->pUserName, pl->szUserName,
2153 pl->pPassword, pl->szPassword,
2154 pl->pHostName, pl->szHostName,
2155 pl->pPort, pl->szPort,
2156 pl->pQuery, pl->szQuery);
2157 return S_OK;
2158 ErrorExit:
2159 FIXME("failed to parse %s\n", debugstr_w(pszUrl));
2160 return E_INVALIDARG;
2161 }
2162
2163 /*************************************************************************
2164 * UrlGetPartA [SHLWAPI.@]
2165 *
2166 * Retrieve part of a Url.
2167 *
2168 * PARAMS
2169 * pszIn [I] Url to parse
2170 * pszOut [O] Destination for part of pszIn requested
2171 * pcchOut [I] Size of pszOut
2172 * [O] length of pszOut string EXCLUDING '\0' if S_OK, otherwise
2173 * needed size of pszOut INCLUDING '\0'.
2174 * dwPart [I] URL_PART_ enum from "shlwapi.h"
2175 * dwFlags [I] URL_ flags from "shlwapi.h"
2176 *
2177 * RETURNS
2178 * Success: S_OK. pszOut contains the part requested, pcchOut contains its length.
2179 * Failure: An HRESULT error code describing the error.
2180 */
2181 HRESULT WINAPI UrlGetPartA(LPCSTR pszIn, LPSTR pszOut, LPDWORD pcchOut,
2182 DWORD dwPart, DWORD dwFlags)
2183 {
2184 LPWSTR in, out;
2185 DWORD ret, len, len2;
2186
2187 if(!pszIn || !pszOut || !pcchOut || *pcchOut <= 0)
2188 return E_INVALIDARG;
2189
2190 in = HeapAlloc(GetProcessHeap(), 0,
2191 (2*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR));
2192 out = in + INTERNET_MAX_URL_LENGTH;
2193
2194 MultiByteToWideChar(0, 0, pszIn, -1, in, INTERNET_MAX_URL_LENGTH);
2195
2196 len = INTERNET_MAX_URL_LENGTH;
2197 ret = UrlGetPartW(in, out, &len, dwPart, dwFlags);
2198
2199 if (FAILED(ret)) {
2200 HeapFree(GetProcessHeap(), 0, in);
2201 return ret;
2202 }
2203
2204 len2 = WideCharToMultiByte(0, 0, out, len, 0, 0, 0, 0);
2205 if (len2 > *pcchOut) {
2206 *pcchOut = len2+1;
2207 HeapFree(GetProcessHeap(), 0, in);
2208 return E_POINTER;
2209 }
2210 len2 = WideCharToMultiByte(0, 0, out, len+1, pszOut, *pcchOut, 0, 0);
2211 *pcchOut = len2-1;
2212 HeapFree(GetProcessHeap(), 0, in);
2213 return ret;
2214 }
2215
2216 /*************************************************************************
2217 * UrlGetPartW [SHLWAPI.@]
2218 *
2219 * See UrlGetPartA.
2220 */
2221 HRESULT WINAPI UrlGetPartW(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut,
2222 DWORD dwPart, DWORD dwFlags)
2223 {
2224 WINE_PARSE_URL pl;
2225 HRESULT ret;
2226 DWORD scheme, size, schsize;
2227 LPCWSTR addr, schaddr;
2228
2229 TRACE("(%s %p %p(%d) %08x %08x)\n",
2230 debugstr_w(pszIn), pszOut, pcchOut, *pcchOut, dwPart, dwFlags);
2231
2232 if(!pszIn || !pszOut || !pcchOut || *pcchOut <= 0)
2233 return E_INVALIDARG;
2234
2235 *pszOut = '\0';
2236
2237 addr = strchrW(pszIn, ':');
2238 if(!addr)
2239 scheme = URL_SCHEME_UNKNOWN;
2240 else
2241 scheme = get_scheme_code(pszIn, addr-pszIn);
2242
2243 ret = URL_ParseUrl(pszIn, &pl);
2244
2245 switch (dwPart) {
2246 case URL_PART_SCHEME:
2247 if (!pl.szScheme) {
2248 *pcchOut = 0;
2249 return S_FALSE;
2250 }
2251 addr = pl.pScheme;
2252 size = pl.szScheme;
2253 break;
2254
2255 case URL_PART_HOSTNAME:
2256 switch(scheme) {
2257 case URL_SCHEME_FTP:
2258 case URL_SCHEME_HTTP:
2259 case URL_SCHEME_GOPHER:
2260 case URL_SCHEME_TELNET:
2261 case URL_SCHEME_FILE:
2262 case URL_SCHEME_HTTPS:
2263 break;
2264 default:
2265 *pcchOut = 0;
2266 return E_FAIL;
2267 }
2268
2269 if(scheme==URL_SCHEME_FILE && (!pl.szHostName ||
2270 (pl.szHostName==1 && *(pl.pHostName+1)==':'))) {
2271 *pcchOut = 0;
2272 return S_FALSE;
2273 }
2274
2275 if (!pl.szHostName) {
2276 *pcchOut = 0;
2277 return S_FALSE;
2278 }
2279 addr = pl.pHostName;
2280 size = pl.szHostName;
2281 break;
2282
2283 case URL_PART_USERNAME:
2284 if (!pl.szUserName) {
2285 *pcchOut = 0;
2286 return S_FALSE;
2287 }
2288 addr = pl.pUserName;
2289 size = pl.szUserName;
2290 break;
2291
2292 case URL_PART_PASSWORD:
2293 if (!pl.szPassword) {
2294 *pcchOut = 0;
2295 return S_FALSE;
2296 }
2297 addr = pl.pPassword;
2298 size = pl.szPassword;
2299 break;
2300
2301 case URL_PART_PORT:
2302 if (!pl.szPort) {
2303 *pcchOut = 0;
2304 return S_FALSE;
2305 }
2306 addr = pl.pPort;
2307 size = pl.szPort;
2308 break;
2309
2310 case URL_PART_QUERY:
2311 if (!pl.szQuery) {
2312 *pcchOut = 0;
2313 return S_FALSE;
2314 }
2315 addr = pl.pQuery;
2316 size = pl.szQuery;
2317 break;
2318
2319 default:
2320 *pcchOut = 0;
2321 return E_INVALIDARG;
2322 }
2323
2324 if (dwFlags == URL_PARTFLAG_KEEPSCHEME) {
2325 if(!pl.pScheme || !pl.szScheme) {
2326 *pcchOut = 0;
2327 return E_FAIL;
2328 }
2329 schaddr = pl.pScheme;
2330 schsize = pl.szScheme;
2331 if (*pcchOut < schsize + size + 2) {
2332 *pcchOut = schsize + size + 2;
2333 return E_POINTER;
2334 }
2335 memcpy(pszOut, schaddr, schsize*sizeof(WCHAR));
2336 pszOut[schsize] = ':';
2337 memcpy(pszOut+schsize+1, addr, size*sizeof(WCHAR));
2338 pszOut[schsize+1+size] = 0;
2339 *pcchOut = schsize + 1 + size;
2340 }
2341 else {
2342 if (*pcchOut < size + 1) {*pcchOut = size+1; return E_POINTER;}
2343 memcpy(pszOut, addr, size*sizeof(WCHAR));
2344 pszOut[size] = 0;
2345 *pcchOut = size;
2346 }
2347 TRACE("len=%d %s\n", *pcchOut, debugstr_w(pszOut));
2348
2349 return ret;
2350 }
2351
2352 /*************************************************************************
2353 * PathIsURLA [SHLWAPI.@]
2354 *
2355 * Check if the given path is a Url.
2356 *
2357 * PARAMS
2358 * lpszPath [I] Path to check.
2359 *
2360 * RETURNS
2361 * TRUE if lpszPath is a Url.
2362 * FALSE if lpszPath is NULL or not a Url.
2363 */
2364 BOOL WINAPI PathIsURLA(LPCSTR lpstrPath)
2365 {
2366 PARSEDURLA base;
2367 HRESULT hres;
2368
2369 TRACE("%s\n", debugstr_a(lpstrPath));
2370
2371 if (!lpstrPath || !*lpstrPath) return FALSE;
2372
2373 /* get protocol */
2374 base.cbSize = sizeof(base);
2375 hres = ParseURLA(lpstrPath, &base);
2376 return hres == S_OK && (base.nScheme != URL_SCHEME_INVALID);
2377 }
2378
2379 /*************************************************************************
2380 * PathIsURLW [SHLWAPI.@]
2381 *
2382 * See PathIsURLA.
2383 */
2384 BOOL WINAPI PathIsURLW(LPCWSTR lpstrPath)
2385 {
2386 PARSEDURLW base;
2387 HRESULT hres;
2388
2389 TRACE("%s\n", debugstr_w(lpstrPath));
2390
2391 if (!lpstrPath || !*lpstrPath) return FALSE;
2392
2393 /* get protocol */
2394 base.cbSize = sizeof(base);
2395 hres = ParseURLW(lpstrPath, &base);
2396 return hres == S_OK && (base.nScheme != URL_SCHEME_INVALID);
2397 }
2398
2399 /*************************************************************************
2400 * UrlCreateFromPathA [SHLWAPI.@]
2401 *
2402 * See UrlCreateFromPathW
2403 */
2404 HRESULT WINAPI UrlCreateFromPathA(LPCSTR pszPath, LPSTR pszUrl, LPDWORD pcchUrl, DWORD dwReserved)
2405 {
2406 WCHAR bufW[INTERNET_MAX_URL_LENGTH];
2407 WCHAR *urlW = bufW;
2408 UNICODE_STRING pathW;
2409 HRESULT ret;
2410 DWORD lenW = sizeof(bufW)/sizeof(WCHAR), lenA;
2411
2412 if(!RtlCreateUnicodeStringFromAsciiz(&pathW, pszPath))
2413 return E_INVALIDARG;
2414 if((ret = UrlCreateFromPathW(pathW.Buffer, urlW, &lenW, dwReserved)) == E_POINTER) {
2415 urlW = HeapAlloc(GetProcessHeap(), 0, lenW * sizeof(WCHAR));
2416 ret = UrlCreateFromPathW(pathW.Buffer, urlW, &lenW, dwReserved);
2417 }
2418 if(ret == S_OK || ret == S_FALSE) {
2419 RtlUnicodeToMultiByteSize(&lenA, urlW, lenW * sizeof(WCHAR));
2420 if(*pcchUrl > lenA) {
2421 RtlUnicodeToMultiByteN(pszUrl, *pcchUrl - 1, &lenA, urlW, lenW * sizeof(WCHAR));
2422 pszUrl[lenA] = 0;
2423 *pcchUrl = lenA;
2424 } else {
2425 *pcchUrl = lenA + 1;
2426 ret = E_POINTER;
2427 }
2428 }
2429 if(urlW != bufW) HeapFree(GetProcessHeap(), 0, urlW);
2430 RtlFreeUnicodeString(&pathW);
2431 return ret;
2432 }
2433
2434 /*************************************************************************
2435 * UrlCreateFromPathW [SHLWAPI.@]
2436 *
2437 * Create a Url from a file path.
2438 *
2439 * PARAMS
2440 * pszPath [I] Path to convert
2441 * pszUrl [O] Destination for the converted Url
2442 * pcchUrl [I/O] Length of pszUrl
2443 * dwReserved [I] Reserved, must be 0
2444 *
2445 * RETURNS
2446 * Success: S_OK pszUrl contains the converted path, S_FALSE if the path is already a Url
2447 * Failure: An HRESULT error code.
2448 */
2449 HRESULT WINAPI UrlCreateFromPathW(LPCWSTR pszPath, LPWSTR pszUrl, LPDWORD pcchUrl, DWORD dwReserved)
2450 {
2451 HRESULT ret;
2452
2453 TRACE("(%s, %p, %p, 0x%08x)\n", debugstr_w(pszPath), pszUrl, pcchUrl, dwReserved);
2454
2455 /* Validate arguments */
2456 if (dwReserved != 0)
2457 return E_INVALIDARG;
2458 if (!pszUrl || !pcchUrl)
2459 return E_INVALIDARG;
2460
2461 ret = URL_CreateFromPath(pszPath, pszUrl, pcchUrl);
2462
2463 if (S_FALSE == ret)
2464 strcpyW(pszUrl, pszPath);
2465
2466 return ret;
2467 }
2468
2469 /*************************************************************************
2470 * SHAutoComplete [SHLWAPI.@]
2471 *
2472 * Enable auto-completion for an edit control.
2473 *
2474 * PARAMS
2475 * hwndEdit [I] Handle of control to enable auto-completion for
2476 * dwFlags [I] SHACF_ flags from "shlwapi.h"
2477 *
2478 * RETURNS
2479 * Success: S_OK. Auto-completion is enabled for the control.
2480 * Failure: An HRESULT error code indicating the error.
2481 */
2482 HRESULT WINAPI SHAutoComplete(HWND hwndEdit, DWORD dwFlags)
2483 {
2484 FIXME("stub\n");
2485 return S_FALSE;
2486 }
2487
2488 /*************************************************************************
2489 * MLBuildResURLA [SHLWAPI.405]
2490 *
2491 * Create a Url pointing to a resource in a module.
2492 *
2493 * PARAMS
2494 * lpszLibName [I] Name of the module containing the resource
2495 * hMod [I] Callers module handle
2496 * dwFlags [I] Undocumented flags for loading the module
2497 * lpszRes [I] Resource name
2498 * lpszDest [O] Destination for resulting Url
2499 * dwDestLen [I] Length of lpszDest
2500 *
2501 * RETURNS
2502 * Success: S_OK. lpszDest contains the resource Url.
2503 * Failure: E_INVALIDARG, if any argument is invalid, or
2504 * E_FAIL if dwDestLen is too small.
2505 */
2506 HRESULT WINAPI MLBuildResURLA(LPCSTR lpszLibName, HMODULE hMod, DWORD dwFlags,
2507 LPCSTR lpszRes, LPSTR lpszDest, DWORD dwDestLen)
2508 {
2509 WCHAR szLibName[MAX_PATH], szRes[MAX_PATH], szDest[MAX_PATH];
2510 HRESULT hRet;
2511
2512 if (lpszLibName)
2513 MultiByteToWideChar(CP_ACP, 0, lpszLibName, -1, szLibName, sizeof(szLibName)/sizeof(WCHAR));
2514
2515 if (lpszRes)
2516 MultiByteToWideChar(CP_ACP, 0, lpszRes, -1, szRes, sizeof(szRes)/sizeof(WCHAR));
2517
2518 if (dwDestLen > sizeof(szLibName)/sizeof(WCHAR))
2519 dwDestLen = sizeof(szLibName)/sizeof(WCHAR);
2520
2521 hRet = MLBuildResURLW(lpszLibName ? szLibName : NULL, hMod, dwFlags,
2522 lpszRes ? szRes : NULL, lpszDest ? szDest : NULL, dwDestLen);
2523 if (SUCCEEDED(hRet) && lpszDest)
2524 WideCharToMultiByte(CP_ACP, 0, szDest, -1, lpszDest, dwDestLen, 0, 0);
2525
2526 return hRet;
2527 }
2528
2529 /*************************************************************************
2530 * MLBuildResURLA [SHLWAPI.406]
2531 *
2532 * See MLBuildResURLA.
2533 */
2534 HRESULT WINAPI MLBuildResURLW(LPCWSTR lpszLibName, HMODULE hMod, DWORD dwFlags,
2535 LPCWSTR lpszRes, LPWSTR lpszDest, DWORD dwDestLen)
2536 {
2537 static const WCHAR szRes[] = { 'r','e','s',':','/','/','\0' };
2538 #define szResLen ((sizeof(szRes) - sizeof(WCHAR))/sizeof(WCHAR))
2539 HRESULT hRet = E_FAIL;
2540
2541 TRACE("(%s,%p,0x%08x,%s,%p,%d)\n", debugstr_w(lpszLibName), hMod, dwFlags,
2542 debugstr_w(lpszRes), lpszDest, dwDestLen);
2543
2544 if (!lpszLibName || !hMod || hMod == INVALID_HANDLE_VALUE || !lpszRes ||
2545 !lpszDest || (dwFlags && dwFlags != 2))
2546 return E_INVALIDARG;
2547
2548 if (dwDestLen >= szResLen + 1)
2549 {
2550 dwDestLen -= (szResLen + 1);
2551 memcpy(lpszDest, szRes, sizeof(szRes));
2552
2553 hMod = MLLoadLibraryW(lpszLibName, hMod, dwFlags);
2554
2555 if (hMod)
2556 {
2557 WCHAR szBuff[MAX_PATH];
2558 DWORD len;
2559
2560 len = GetModuleFileNameW(hMod, szBuff, sizeof(szBuff)/sizeof(WCHAR));
2561 if (len && len < sizeof(szBuff)/sizeof(WCHAR))
2562 {
2563 DWORD dwPathLen = strlenW(szBuff) + 1;
2564
2565 if (dwDestLen >= dwPathLen)
2566 {
2567 DWORD dwResLen;
2568
2569 dwDestLen -= dwPathLen;
2570 memcpy(lpszDest + szResLen, szBuff, dwPathLen * sizeof(WCHAR));
2571
2572 dwResLen = strlenW(lpszRes) + 1;
2573 if (dwDestLen >= dwResLen + 1)
2574 {
2575 lpszDest[szResLen + dwPathLen-1] = '/';
2576 memcpy(lpszDest + szResLen + dwPathLen, lpszRes, dwResLen * sizeof(WCHAR));
2577 hRet = S_OK;
2578 }
2579 }
2580 }
2581 MLFreeLibrary(hMod);
2582 }
2583 }
2584 return hRet;
2585 }
2586
2587 /***********************************************************************
2588 * UrlFixupW [SHLWAPI.462]
2589 *
2590 * Checks the scheme part of a URL and attempts to correct misspellings.
2591 *
2592 * PARAMS
2593 * lpszUrl [I] Pointer to the URL to be corrected
2594 * lpszTranslatedUrl [O] Pointer to a buffer to store corrected URL
2595 * dwMaxChars [I] Maximum size of corrected URL
2596 *
2597 * RETURNS
2598 * success: S_OK if URL corrected or already correct
2599 * failure: S_FALSE if unable to correct / COM error code if other error
2600 *
2601 */
2602 HRESULT WINAPI UrlFixupW(LPCWSTR url, LPWSTR translatedUrl, DWORD maxChars)
2603 {
2604 DWORD srcLen;
2605
2606 FIXME("(%s,%p,%d) STUB\n", debugstr_w(url), translatedUrl, maxChars);
2607
2608 if (!url)
2609 return E_FAIL;
2610
2611 srcLen = lstrlenW(url) + 1;
2612
2613 /* For now just copy the URL directly */
2614 lstrcpynW(translatedUrl, url, (maxChars < srcLen) ? maxChars : srcLen);
2615
2616 return S_OK;
2617 }
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