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wine/dlls/shlwapi/url.c
Piotr Caban 5024a05780 shlwapi: Improved UrlCombineW implementation.
2010-11-08 13:30:23 +01:00

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/*
* Url functions
*
* Copyright 2000 Huw D M Davies for CodeWeavers.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winerror.h"
#include "wine/unicode.h"
#include "wininet.h"
#include "winreg.h"
#include "winternl.h"
#define NO_SHLWAPI_STREAM
#include "shlwapi.h"
#include "intshcut.h"
#include "wine/debug.h"
HMODULE WINAPI MLLoadLibraryW(LPCWSTR,HMODULE,DWORD);
BOOL WINAPI MLFreeLibrary(HMODULE);
HRESULT WINAPI MLBuildResURLW(LPCWSTR,HMODULE,DWORD,LPCWSTR,LPWSTR,DWORD);
WINE_DEFAULT_DEBUG_CHANNEL(shell);
/* The following schemes were identified in the native version of
* SHLWAPI.DLL version 5.50
*/
static const struct {
URL_SCHEME scheme_number;
WCHAR scheme_name[12];
} shlwapi_schemes[] = {
{URL_SCHEME_FTP, {'f','t','p',0}},
{URL_SCHEME_HTTP, {'h','t','t','p',0}},
{URL_SCHEME_GOPHER, {'g','o','p','h','e','r',0}},
{URL_SCHEME_MAILTO, {'m','a','i','l','t','o',0}},
{URL_SCHEME_NEWS, {'n','e','w','s',0}},
{URL_SCHEME_NNTP, {'n','n','t','p',0}},
{URL_SCHEME_TELNET, {'t','e','l','n','e','t',0}},
{URL_SCHEME_WAIS, {'w','a','i','s',0}},
{URL_SCHEME_FILE, {'f','i','l','e',0}},
{URL_SCHEME_MK, {'m','k',0}},
{URL_SCHEME_HTTPS, {'h','t','t','p','s',0}},
{URL_SCHEME_SHELL, {'s','h','e','l','l',0}},
{URL_SCHEME_SNEWS, {'s','n','e','w','s',0}},
{URL_SCHEME_LOCAL, {'l','o','c','a','l',0}},
{URL_SCHEME_JAVASCRIPT, {'j','a','v','a','s','c','r','i','p','t',0}},
{URL_SCHEME_VBSCRIPT, {'v','b','s','c','r','i','p','t',0}},
{URL_SCHEME_ABOUT, {'a','b','o','u','t',0}},
{URL_SCHEME_RES, {'r','e','s',0}},
};
typedef struct {
LPCWSTR pScheme; /* [out] start of scheme */
DWORD szScheme; /* [out] size of scheme (until colon) */
LPCWSTR pUserName; /* [out] start of Username */
DWORD szUserName; /* [out] size of Username (until ":" or "@") */
LPCWSTR pPassword; /* [out] start of Password */
DWORD szPassword; /* [out] size of Password (until "@") */
LPCWSTR pHostName; /* [out] start of Hostname */
DWORD szHostName; /* [out] size of Hostname (until ":" or "/") */
LPCWSTR pPort; /* [out] start of Port */
DWORD szPort; /* [out] size of Port (until "/" or eos) */
LPCWSTR pQuery; /* [out] start of Query */
DWORD szQuery; /* [out] size of Query (until eos) */
} WINE_PARSE_URL;
typedef enum {
SCHEME,
HOST,
PORT,
USERPASS,
} WINE_URL_SCAN_TYPE;
static const CHAR hexDigits[] = "0123456789ABCDEF";
static const WCHAR fileW[] = {'f','i','l','e','\0'};
static const unsigned char HashDataLookup[256] = {
0x01, 0x0E, 0x6E, 0x19, 0x61, 0xAE, 0x84, 0x77, 0x8A, 0xAA, 0x7D, 0x76, 0x1B,
0xE9, 0x8C, 0x33, 0x57, 0xC5, 0xB1, 0x6B, 0xEA, 0xA9, 0x38, 0x44, 0x1E, 0x07,
0xAD, 0x49, 0xBC, 0x28, 0x24, 0x41, 0x31, 0xD5, 0x68, 0xBE, 0x39, 0xD3, 0x94,
0xDF, 0x30, 0x73, 0x0F, 0x02, 0x43, 0xBA, 0xD2, 0x1C, 0x0C, 0xB5, 0x67, 0x46,
0x16, 0x3A, 0x4B, 0x4E, 0xB7, 0xA7, 0xEE, 0x9D, 0x7C, 0x93, 0xAC, 0x90, 0xB0,
0xA1, 0x8D, 0x56, 0x3C, 0x42, 0x80, 0x53, 0x9C, 0xF1, 0x4F, 0x2E, 0xA8, 0xC6,
0x29, 0xFE, 0xB2, 0x55, 0xFD, 0xED, 0xFA, 0x9A, 0x85, 0x58, 0x23, 0xCE, 0x5F,
0x74, 0xFC, 0xC0, 0x36, 0xDD, 0x66, 0xDA, 0xFF, 0xF0, 0x52, 0x6A, 0x9E, 0xC9,
0x3D, 0x03, 0x59, 0x09, 0x2A, 0x9B, 0x9F, 0x5D, 0xA6, 0x50, 0x32, 0x22, 0xAF,
0xC3, 0x64, 0x63, 0x1A, 0x96, 0x10, 0x91, 0x04, 0x21, 0x08, 0xBD, 0x79, 0x40,
0x4D, 0x48, 0xD0, 0xF5, 0x82, 0x7A, 0x8F, 0x37, 0x69, 0x86, 0x1D, 0xA4, 0xB9,
0xC2, 0xC1, 0xEF, 0x65, 0xF2, 0x05, 0xAB, 0x7E, 0x0B, 0x4A, 0x3B, 0x89, 0xE4,
0x6C, 0xBF, 0xE8, 0x8B, 0x06, 0x18, 0x51, 0x14, 0x7F, 0x11, 0x5B, 0x5C, 0xFB,
0x97, 0xE1, 0xCF, 0x15, 0x62, 0x71, 0x70, 0x54, 0xE2, 0x12, 0xD6, 0xC7, 0xBB,
0x0D, 0x20, 0x5E, 0xDC, 0xE0, 0xD4, 0xF7, 0xCC, 0xC4, 0x2B, 0xF9, 0xEC, 0x2D,
0xF4, 0x6F, 0xB6, 0x99, 0x88, 0x81, 0x5A, 0xD9, 0xCA, 0x13, 0xA5, 0xE7, 0x47,
0xE6, 0x8E, 0x60, 0xE3, 0x3E, 0xB3, 0xF6, 0x72, 0xA2, 0x35, 0xA0, 0xD7, 0xCD,
0xB4, 0x2F, 0x6D, 0x2C, 0x26, 0x1F, 0x95, 0x87, 0x00, 0xD8, 0x34, 0x3F, 0x17,
0x25, 0x45, 0x27, 0x75, 0x92, 0xB8, 0xA3, 0xC8, 0xDE, 0xEB, 0xF8, 0xF3, 0xDB,
0x0A, 0x98, 0x83, 0x7B, 0xE5, 0xCB, 0x4C, 0x78, 0xD1 };
static DWORD get_scheme_code(LPCWSTR scheme, DWORD scheme_len)
{
unsigned int i;
for(i=0; i < sizeof(shlwapi_schemes)/sizeof(shlwapi_schemes[0]); i++) {
if(scheme_len == strlenW(shlwapi_schemes[i].scheme_name)
&& !memcmp(scheme, shlwapi_schemes[i].scheme_name, scheme_len*sizeof(WCHAR)))
return shlwapi_schemes[i].scheme_number;
}
return URL_SCHEME_UNKNOWN;
}
/*************************************************************************
* @ [SHLWAPI.1]
*
* Parse a Url into its constituent parts.
*
* PARAMS
* x [I] Url to parse
* y [O] Undocumented structure holding the parsed information
*
* RETURNS
* Success: S_OK. y contains the parsed Url details.
* Failure: An HRESULT error code.
*/
HRESULT WINAPI ParseURLA(LPCSTR x, PARSEDURLA *y)
{
WCHAR scheme[INTERNET_MAX_SCHEME_LENGTH];
const char *ptr = x;
int len;
TRACE("%s %p\n", debugstr_a(x), y);
if(y->cbSize != sizeof(*y))
return E_INVALIDARG;
while(*ptr && (isalnum(*ptr) || *ptr == '-'))
ptr++;
if (*ptr != ':' || ptr <= x+1) {
y->pszProtocol = NULL;
return URL_E_INVALID_SYNTAX;
}
y->pszProtocol = x;
y->cchProtocol = ptr-x;
y->pszSuffix = ptr+1;
y->cchSuffix = strlen(y->pszSuffix);
len = MultiByteToWideChar(CP_ACP, 0, x, ptr-x,
scheme, sizeof(scheme)/sizeof(WCHAR));
y->nScheme = get_scheme_code(scheme, len);
return S_OK;
}
/*************************************************************************
* @ [SHLWAPI.2]
*
* Unicode version of ParseURLA.
*/
HRESULT WINAPI ParseURLW(LPCWSTR x, PARSEDURLW *y)
{
const WCHAR *ptr = x;
TRACE("%s %p\n", debugstr_w(x), y);
if(y->cbSize != sizeof(*y))
return E_INVALIDARG;
while(*ptr && (isalnumW(*ptr) || *ptr == '-'))
ptr++;
if (*ptr != ':' || ptr <= x+1) {
y->pszProtocol = NULL;
return URL_E_INVALID_SYNTAX;
}
y->pszProtocol = x;
y->cchProtocol = ptr-x;
y->pszSuffix = ptr+1;
y->cchSuffix = strlenW(y->pszSuffix);
y->nScheme = get_scheme_code(x, ptr-x);
return S_OK;
}
/*************************************************************************
* UrlCanonicalizeA [SHLWAPI.@]
*
* Canonicalize a Url.
*
* PARAMS
* pszUrl [I] Url to cCanonicalize
* pszCanonicalized [O] Destination for converted Url.
* pcchCanonicalized [I/O] Length of pszUrl, destination for length of pszCanonicalized
* dwFlags [I] Flags controlling the conversion.
*
* RETURNS
* Success: S_OK. The pszCanonicalized contains the converted Url.
* Failure: E_POINTER, if *pcchCanonicalized is too small.
*
* MSDN incorrectly describes the flags for this function. They should be:
*| URL_DONT_ESCAPE_EXTRA_INFO 0x02000000
*| URL_ESCAPE_SPACES_ONLY 0x04000000
*| URL_ESCAPE_PERCENT 0x00001000
*| URL_ESCAPE_UNSAFE 0x10000000
*| URL_UNESCAPE 0x10000000
*| URL_DONT_SIMPLIFY 0x08000000
*| URL_ESCAPE_SEGMENT_ONLY 0x00002000
*/
HRESULT WINAPI UrlCanonicalizeA(LPCSTR pszUrl, LPSTR pszCanonicalized,
LPDWORD pcchCanonicalized, DWORD dwFlags)
{
LPWSTR url, canonical;
HRESULT ret;
DWORD len;
TRACE("(%s, %p, %p, 0x%08x) *pcchCanonicalized: %d\n", debugstr_a(pszUrl), pszCanonicalized,
pcchCanonicalized, dwFlags, pcchCanonicalized ? *pcchCanonicalized : -1);
if(!pszUrl || !pszCanonicalized || !pcchCanonicalized || !*pcchCanonicalized)
return E_INVALIDARG;
len = strlen(pszUrl)+1;
url = HeapAlloc(GetProcessHeap(), 0, len*sizeof(WCHAR));
canonical = HeapAlloc(GetProcessHeap(), 0, *pcchCanonicalized*sizeof(WCHAR));
if(!url || !canonical) {
HeapFree(GetProcessHeap(), 0, url);
HeapFree(GetProcessHeap(), 0, canonical);
return E_OUTOFMEMORY;
}
MultiByteToWideChar(0, 0, pszUrl, -1, url, len);
ret = UrlCanonicalizeW(url, canonical, pcchCanonicalized, dwFlags);
if(ret == S_OK)
WideCharToMultiByte(0, 0, canonical, -1, pszCanonicalized,
*pcchCanonicalized+1, 0, 0);
HeapFree(GetProcessHeap(), 0, canonical);
return ret;
}
/*************************************************************************
* UrlCanonicalizeW [SHLWAPI.@]
*
* See UrlCanonicalizeA.
*/
HRESULT WINAPI UrlCanonicalizeW(LPCWSTR pszUrl, LPWSTR pszCanonicalized,
LPDWORD pcchCanonicalized, DWORD dwFlags)
{
HRESULT hr = S_OK;
DWORD EscapeFlags;
LPCWSTR wk1, root;
LPWSTR lpszUrlCpy, url, wk2, mp, mp2;
INT state;
DWORD nByteLen, nLen, nWkLen;
BOOL is_file_url;
WCHAR slash = '\0';
static const WCHAR wszFile[] = {'f','i','l','e',':'};
static const WCHAR wszRes[] = {'r','e','s',':'};
static const WCHAR wszHttp[] = {'h','t','t','p',':'};
static const WCHAR wszLocalhost[] = {'l','o','c','a','l','h','o','s','t'};
static const WCHAR wszFilePrefix[] = {'f','i','l','e',':','/','/','/'};
TRACE("(%s, %p, %p, 0x%08x) *pcchCanonicalized: %d\n", debugstr_w(pszUrl), pszCanonicalized,
pcchCanonicalized, dwFlags, pcchCanonicalized ? *pcchCanonicalized : -1);
if(!pszUrl || !pszCanonicalized || !pcchCanonicalized || !*pcchCanonicalized)
return E_INVALIDARG;
if(!*pszUrl) {
*pszCanonicalized = 0;
return S_OK;
}
/* Remove '\t' characters from URL */
nByteLen = (strlenW(pszUrl) + 1) * sizeof(WCHAR); /* length in bytes */
url = HeapAlloc(GetProcessHeap(), 0, nByteLen);
if(!url)
return E_OUTOFMEMORY;
wk1 = pszUrl;
wk2 = url;
do {
while(*wk1 == '\t')
wk1++;
*wk2++ = *wk1;
} while(*wk1++);
/* Allocate memory for simplified URL (before escaping) */
nByteLen = (wk2-url)*sizeof(WCHAR);
lpszUrlCpy = HeapAlloc(GetProcessHeap(), 0,
nByteLen+sizeof(wszFilePrefix)+sizeof(WCHAR));
if(!lpszUrlCpy) {
HeapFree(GetProcessHeap(), 0, url);
return E_OUTOFMEMORY;
}
is_file_url = !strncmpW(wszFile, url, sizeof(wszFile)/sizeof(WCHAR));
if ((nByteLen >= sizeof(wszHttp) &&
!memcmp(wszHttp, url, sizeof(wszHttp))) || is_file_url)
slash = '/';
if((dwFlags & (URL_FILE_USE_PATHURL | URL_WININET_COMPATIBILITY)) && is_file_url)
slash = '\\';
if(nByteLen >= sizeof(wszRes) && !memcmp(wszRes, url, sizeof(wszRes))) {
dwFlags &= ~URL_FILE_USE_PATHURL;
slash = '\0';
}
/*
* state =
* 0 initial 1,3
* 1 have 2[+] alnum 2,3
* 2 have scheme (found :) 4,6,3
* 3 failed (no location)
* 4 have // 5,3
* 5 have 1[+] alnum 6,3
* 6 have location (found /) save root location
*/
wk1 = url;
wk2 = lpszUrlCpy;
state = 0;
if(url[1] == ':') { /* Assume path */
memcpy(wk2, wszFilePrefix, sizeof(wszFilePrefix));
wk2 += sizeof(wszFilePrefix)/sizeof(WCHAR);
if (dwFlags & (URL_FILE_USE_PATHURL | URL_WININET_COMPATIBILITY))
{
slash = '\\';
--wk2;
}
else
dwFlags |= URL_ESCAPE_UNSAFE;
state = 5;
is_file_url = TRUE;
}
while (*wk1) {
switch (state) {
case 0:
if (!isalnumW(*wk1)) {state = 3; break;}
*wk2++ = *wk1++;
if (!isalnumW(*wk1)) {state = 3; break;}
*wk2++ = *wk1++;
state = 1;
break;
case 1:
*wk2++ = *wk1;
if (*wk1++ == ':') state = 2;
break;
case 2:
*wk2++ = *wk1++;
if (*wk1 != '/') {state = 6; break;}
*wk2++ = *wk1++;
if((dwFlags & URL_FILE_USE_PATHURL) && nByteLen >= sizeof(wszLocalhost)
&& is_file_url
&& !memcmp(wszLocalhost, wk1, sizeof(wszLocalhost))){
wk1 += sizeof(wszLocalhost)/sizeof(WCHAR);
while(*wk1 == '\\' && (dwFlags & URL_FILE_USE_PATHURL))
wk1++;
}
if(*wk1 == '/' && (dwFlags & URL_FILE_USE_PATHURL)){
wk1++;
}else if(is_file_url){
const WCHAR *body = wk1;
while(*body == '/')
++body;
if(isalnumW(*body) && *(body+1) == ':'){
if(!(dwFlags & (URL_WININET_COMPATIBILITY | URL_FILE_USE_PATHURL))){
if(slash)
*wk2++ = slash;
else
*wk2++ = '/';
}
}else{
if(dwFlags & URL_WININET_COMPATIBILITY){
if(*wk1 == '/' && *(wk1+1) != '/'){
*wk2++ = '\\';
}else{
*wk2++ = '\\';
*wk2++ = '\\';
}
}else{
if(*wk1 == '/' && *(wk1+1) != '/'){
if(slash)
*wk2++ = slash;
else
*wk2++ = '/';
}
}
}
wk1 = body;
}
state = 4;
break;
case 3:
nWkLen = strlenW(wk1);
memcpy(wk2, wk1, (nWkLen + 1) * sizeof(WCHAR));
mp = wk2;
wk1 += nWkLen;
wk2 += nWkLen;
if(slash) {
while(mp < wk2) {
if(*mp == '/' || *mp == '\\')
*mp = slash;
mp++;
}
}
break;
case 4:
if (!isalnumW(*wk1) && (*wk1 != '-') && (*wk1 != '.') && (*wk1 != ':'))
{state = 3; break;}
while(isalnumW(*wk1) || (*wk1 == '-') || (*wk1 == '.') || (*wk1 == ':'))
*wk2++ = *wk1++;
state = 5;
if (!*wk1) {
if(slash)
*wk2++ = slash;
else
*wk2++ = '/';
}
break;
case 5:
if (*wk1 != '/' && *wk1 != '\\') {state = 3; break;}
while(*wk1 == '/' || *wk1 == '\\') {
if(slash)
*wk2++ = slash;
else
*wk2++ = *wk1;
wk1++;
}
state = 6;
break;
case 6:
if(dwFlags & URL_DONT_SIMPLIFY) {
state = 3;
break;
}
/* Now at root location, cannot back up any more. */
/* "root" will point at the '/' */
root = wk2-1;
while (*wk1) {
mp = strchrW(wk1, '/');
mp2 = strchrW(wk1, '\\');
if(mp2 && (!mp || mp2 < mp))
mp = mp2;
if (!mp) {
nWkLen = strlenW(wk1);
memcpy(wk2, wk1, (nWkLen + 1) * sizeof(WCHAR));
wk1 += nWkLen;
wk2 += nWkLen;
continue;
}
nLen = mp - wk1;
if(nLen) {
memcpy(wk2, wk1, nLen * sizeof(WCHAR));
wk2 += nLen;
wk1 += nLen;
}
if(slash)
*wk2++ = slash;
else
*wk2++ = *wk1;
wk1++;
while (*wk1 == '.') {
TRACE("found '/.'\n");
if (wk1[1] == '/' || wk1[1] == '\\') {
/* case of /./ -> skip the ./ */
wk1 += 2;
}
else if (wk1[1] == '.' && (wk1[2] == '/'
|| wk1[2] == '\\' || wk1[2] == '?'
|| wk1[2] == '#' || !wk1[2])) {
/* case /../ -> need to backup wk2 */
TRACE("found '/../'\n");
*(wk2-1) = '\0'; /* set end of string */
mp = strrchrW(root, '/');
mp2 = strrchrW(root, '\\');
if(mp2 && (!mp || mp2 < mp))
mp = mp2;
if (mp && (mp >= root)) {
/* found valid backup point */
wk2 = mp + 1;
if(wk1[2] != '/' && wk1[2] != '\\')
wk1 += 2;
else
wk1 += 3;
}
else {
/* did not find point, restore '/' */
*(wk2-1) = slash;
break;
}
}
else
break;
}
}
*wk2 = '\0';
break;
default:
FIXME("how did we get here - state=%d\n", state);
HeapFree(GetProcessHeap(), 0, lpszUrlCpy);
HeapFree(GetProcessHeap(), 0, url);
return E_INVALIDARG;
}
*wk2 = '\0';
TRACE("Simplified, orig <%s>, simple <%s>\n",
debugstr_w(pszUrl), debugstr_w(lpszUrlCpy));
}
nLen = lstrlenW(lpszUrlCpy);
while ((nLen > 0) && ((lpszUrlCpy[nLen-1] <= ' ')))
lpszUrlCpy[--nLen]=0;
if((dwFlags & URL_UNESCAPE) ||
((dwFlags & URL_FILE_USE_PATHURL) && nByteLen >= sizeof(wszFile)
&& !memcmp(wszFile, url, sizeof(wszFile))))
UrlUnescapeW(lpszUrlCpy, NULL, &nLen, URL_UNESCAPE_INPLACE);
if((EscapeFlags = dwFlags & (URL_ESCAPE_UNSAFE |
URL_ESCAPE_SPACES_ONLY |
URL_ESCAPE_PERCENT |
URL_DONT_ESCAPE_EXTRA_INFO |
URL_ESCAPE_SEGMENT_ONLY ))) {
EscapeFlags &= ~URL_ESCAPE_UNSAFE;
hr = UrlEscapeW(lpszUrlCpy, pszCanonicalized, pcchCanonicalized,
EscapeFlags);
} else { /* No escaping needed, just copy the string */
nLen = lstrlenW(lpszUrlCpy);
if(nLen < *pcchCanonicalized)
memcpy(pszCanonicalized, lpszUrlCpy, (nLen + 1)*sizeof(WCHAR));
else {
hr = E_POINTER;
nLen++;
}
*pcchCanonicalized = nLen;
}
HeapFree(GetProcessHeap(), 0, lpszUrlCpy);
HeapFree(GetProcessHeap(), 0, url);
if (hr == S_OK)
TRACE("result %s\n", debugstr_w(pszCanonicalized));
return hr;
}
/*************************************************************************
* UrlCombineA [SHLWAPI.@]
*
* Combine two Urls.
*
* PARAMS
* pszBase [I] Base Url
* pszRelative [I] Url to combine with pszBase
* pszCombined [O] Destination for combined Url
* pcchCombined [O] Destination for length of pszCombined
* dwFlags [I] URL_ flags from "shlwapi.h"
*
* RETURNS
* Success: S_OK. pszCombined contains the combined Url, pcchCombined
* contains its length.
* Failure: An HRESULT error code indicating the error.
*/
HRESULT WINAPI UrlCombineA(LPCSTR pszBase, LPCSTR pszRelative,
LPSTR pszCombined, LPDWORD pcchCombined,
DWORD dwFlags)
{
LPWSTR base, relative, combined;
DWORD ret, len, len2;
TRACE("(base %s, Relative %s, Combine size %d, flags %08x) using W version\n",
debugstr_a(pszBase),debugstr_a(pszRelative),
pcchCombined?*pcchCombined:0,dwFlags);
if(!pszBase || !pszRelative || !pcchCombined)
return E_INVALIDARG;
base = HeapAlloc(GetProcessHeap(), 0,
(3*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR));
relative = base + INTERNET_MAX_URL_LENGTH;
combined = relative + INTERNET_MAX_URL_LENGTH;
MultiByteToWideChar(0, 0, pszBase, -1, base, INTERNET_MAX_URL_LENGTH);
MultiByteToWideChar(0, 0, pszRelative, -1, relative, INTERNET_MAX_URL_LENGTH);
len = *pcchCombined;
ret = UrlCombineW(base, relative, pszCombined?combined:NULL, &len, dwFlags);
if (ret != S_OK) {
*pcchCombined = len;
HeapFree(GetProcessHeap(), 0, base);
return ret;
}
len2 = WideCharToMultiByte(0, 0, combined, len, 0, 0, 0, 0);
if (len2 > *pcchCombined) {
*pcchCombined = len2;
HeapFree(GetProcessHeap(), 0, base);
return E_POINTER;
}
WideCharToMultiByte(0, 0, combined, len+1, pszCombined, (*pcchCombined)+1,
0, 0);
*pcchCombined = len2;
HeapFree(GetProcessHeap(), 0, base);
return S_OK;
}
/*************************************************************************
* UrlCombineW [SHLWAPI.@]
*
* See UrlCombineA.
*/
HRESULT WINAPI UrlCombineW(LPCWSTR pszBase, LPCWSTR pszRelative,
LPWSTR pszCombined, LPDWORD pcchCombined,
DWORD dwFlags)
{
PARSEDURLW base, relative;
DWORD myflags, sizeloc = 0;
DWORD len, res1, res2, process_case = 0;
LPWSTR work, preliminary, mbase, mrelative;
static const WCHAR myfilestr[] = {'f','i','l','e',':','/','/','/','\0'};
HRESULT ret;
TRACE("(base %s, Relative %s, Combine size %d, flags %08x)\n",
debugstr_w(pszBase),debugstr_w(pszRelative),
pcchCombined?*pcchCombined:0,dwFlags);
if(!pszBase || !pszRelative || !pcchCombined)
return E_INVALIDARG;
base.cbSize = sizeof(base);
relative.cbSize = sizeof(relative);
/* Get space for duplicates of the input and the output */
preliminary = HeapAlloc(GetProcessHeap(), 0, (3*INTERNET_MAX_URL_LENGTH) *
sizeof(WCHAR));
mbase = preliminary + INTERNET_MAX_URL_LENGTH;
mrelative = mbase + INTERNET_MAX_URL_LENGTH;
*preliminary = '\0';
/* Canonicalize the base input prior to looking for the scheme */
myflags = dwFlags & (URL_DONT_SIMPLIFY | URL_UNESCAPE);
len = INTERNET_MAX_URL_LENGTH;
ret = UrlCanonicalizeW(pszBase, mbase, &len, myflags);
/* Canonicalize the relative input prior to looking for the scheme */
len = INTERNET_MAX_URL_LENGTH;
ret = UrlCanonicalizeW(pszRelative, mrelative, &len, myflags);
/* See if the base has a scheme */
res1 = ParseURLW(mbase, &base);
if (res1) {
/* if pszBase has no scheme, then return pszRelative */
TRACE("no scheme detected in Base\n");
process_case = 1;
}
else do {
BOOL manual_search = FALSE;
/* mk is a special case */
if(base.nScheme == URL_SCHEME_MK) {
static const WCHAR wsz[] = {':',':',0};
WCHAR *ptr = strstrW(base.pszSuffix, wsz);
if(ptr) {
int delta;
ptr += 2;
delta = ptr-base.pszSuffix;
base.cchProtocol += delta;
base.pszSuffix += delta;
base.cchSuffix -= delta;
}
}else {
/* get size of location field (if it exists) */
work = (LPWSTR)base.pszSuffix;
sizeloc = 0;
if (*work++ == '/') {
if (*work++ == '/') {
/* At this point have start of location and
* it ends at next '/' or end of string.
*/
while(*work && (*work != '/')) work++;
sizeloc = (DWORD)(work - base.pszSuffix);
}
}
}
/* If there is a '#' and the characters immediately preceding it are
* ".htm[l]", then begin looking for the last leaf starting from
* the '#'. Otherwise the '#' is not meaningful and just start
* looking from the end. */
if ((work = strchrW(base.pszSuffix + sizeloc, '#'))) {
const WCHAR htmlW[] = {'.','h','t','m','l',0};
const int len_htmlW = 5;
const WCHAR htmW[] = {'.','h','t','m',0};
const int len_htmW = 4;
if (base.nScheme == URL_SCHEME_HTTP || base.nScheme == URL_SCHEME_HTTPS)
manual_search = TRUE;
else if (work - base.pszSuffix > len_htmW * sizeof(WCHAR)) {
work -= len_htmW;
if (strncmpiW(work, htmW, len_htmW) == 0)
manual_search = TRUE;
work += len_htmW;
}
if (!manual_search &&
work - base.pszSuffix > len_htmlW * sizeof(WCHAR)) {
work -= len_htmlW;
if (strncmpiW(work, htmlW, len_htmlW) == 0)
manual_search = TRUE;
work += len_htmlW;
}
}
if (manual_search) {
/* search backwards starting from the current position */
while (*work != '/' && work > base.pszSuffix + sizeloc)
--work;
base.cchSuffix = work - base.pszSuffix + 1;
}else {
/* search backwards starting from the end of the string */
work = strrchrW((base.pszSuffix+sizeloc), '/');
if (work) {
len = (DWORD)(work - base.pszSuffix + 1);
base.cchSuffix = len;
}else
base.cchSuffix = sizeloc;
}
/*
* At this point:
* .pszSuffix points to location (starting with '//')
* .cchSuffix length of location (above) and rest less the last
* leaf (if any)
* sizeloc length of location (above) up to but not including
* the last '/'
*/
res2 = ParseURLW(mrelative, &relative);
if (res2) {
/* no scheme in pszRelative */
TRACE("no scheme detected in Relative\n");
relative.pszSuffix = mrelative; /* case 3,4,5 depends on this */
relative.cchSuffix = strlenW(mrelative);
if (*pszRelative == ':') {
/* case that is either left alone or uses pszBase */
if (dwFlags & URL_PLUGGABLE_PROTOCOL) {
process_case = 5;
break;
}
process_case = 1;
break;
}
if (isalnum(*mrelative) && (*(mrelative + 1) == ':')) {
/* case that becomes "file:///" */
strcpyW(preliminary, myfilestr);
process_case = 1;
break;
}
if ((*mrelative == '/') && (*(mrelative+1) == '/')) {
/* pszRelative has location and rest */
process_case = 3;
break;
}
if (*mrelative == '/') {
/* case where pszRelative is root to location */
process_case = 4;
break;
}
if (*mrelative == '#') {
if(!(work = strchrW(base.pszSuffix+base.cchSuffix, '#')))
work = (LPWSTR)base.pszSuffix + strlenW(base.pszSuffix);
memcpy(preliminary, base.pszProtocol, (work-base.pszProtocol)*sizeof(WCHAR));
preliminary[work-base.pszProtocol] = '\0';
process_case = 1;
break;
}
process_case = (*base.pszSuffix == '/' || base.nScheme == URL_SCHEME_MK) ? 5 : 3;
break;
}
/* handle cases where pszRelative has scheme */
if ((base.cchProtocol == relative.cchProtocol) &&
(strncmpW(base.pszProtocol, relative.pszProtocol, base.cchProtocol) == 0)) {
/* since the schemes are the same */
if ((*relative.pszSuffix == '/') && (*(relative.pszSuffix+1) == '/')) {
/* case where pszRelative replaces location and following */
process_case = 3;
break;
}
if (*relative.pszSuffix == '/') {
/* case where pszRelative is root to location */
process_case = 4;
break;
}
/* replace either just location if base's location starts with a
* slash or otherwise everything */
process_case = (*base.pszSuffix == '/') ? 5 : 1;
break;
}
if ((*relative.pszSuffix == '/') && (*(relative.pszSuffix+1) == '/')) {
/* case where pszRelative replaces scheme, location,
* and following and handles PLUGGABLE
*/
process_case = 2;
break;
}
process_case = 1;
break;
} while(FALSE); /* a little trick to allow easy exit from nested if's */
ret = S_OK;
switch (process_case) {
case 1: /*
* Return pszRelative appended to what ever is in pszCombined,
* (which may the string "file:///"
*/
strcatW(preliminary, mrelative);
break;
case 2: /* case where pszRelative replaces scheme, and location */
strcpyW(preliminary, mrelative);
break;
case 3: /*
* Return the pszBase scheme with pszRelative. Basically
* keeps the scheme and replaces the domain and following.
*/
memcpy(preliminary, base.pszProtocol, (base.cchProtocol + 1)*sizeof(WCHAR));
work = preliminary + base.cchProtocol + 1;
strcpyW(work, relative.pszSuffix);
break;
case 4: /*
* Return the pszBase scheme and location but everything
* after the location is pszRelative. (Replace document
* from root on.)
*/
memcpy(preliminary, base.pszProtocol, (base.cchProtocol+1+sizeloc)*sizeof(WCHAR));
work = preliminary + base.cchProtocol + 1 + sizeloc;
if (dwFlags & URL_PLUGGABLE_PROTOCOL)
*(work++) = '/';
strcpyW(work, relative.pszSuffix);
break;
case 5: /*
* Return the pszBase without its document (if any) and
* append pszRelative after its scheme.
*/
memcpy(preliminary, base.pszProtocol,
(base.cchProtocol+1+base.cchSuffix)*sizeof(WCHAR));
work = preliminary + base.cchProtocol+1+base.cchSuffix - 1;
if (*work++ != '/')
*(work++) = '/';
strcpyW(work, relative.pszSuffix);
break;
default:
FIXME("How did we get here????? process_case=%d\n", process_case);
ret = E_INVALIDARG;
}
if (ret == S_OK) {
/* Reuse mrelative as temp storage as its already allocated and not needed anymore */
if(*pcchCombined == 0)
*pcchCombined = 1;
ret = UrlCanonicalizeW(preliminary, mrelative, pcchCombined, (dwFlags & ~URL_FILE_USE_PATHURL));
if(SUCCEEDED(ret) && pszCombined) {
lstrcpyW(pszCombined, mrelative);
}
TRACE("return-%d len=%d, %s\n",
process_case, *pcchCombined, debugstr_w(pszCombined));
}
HeapFree(GetProcessHeap(), 0, preliminary);
return ret;
}
/*************************************************************************
* UrlEscapeA [SHLWAPI.@]
*/
HRESULT WINAPI UrlEscapeA(
LPCSTR pszUrl,
LPSTR pszEscaped,
LPDWORD pcchEscaped,
DWORD dwFlags)
{
WCHAR bufW[INTERNET_MAX_URL_LENGTH];
WCHAR *escapedW = bufW;
UNICODE_STRING urlW;
HRESULT ret;
DWORD lenW = sizeof(bufW)/sizeof(WCHAR), lenA;
if (!pszEscaped || !pcchEscaped || !*pcchEscaped)
return E_INVALIDARG;
if(!RtlCreateUnicodeStringFromAsciiz(&urlW, pszUrl))
return E_INVALIDARG;
if((ret = UrlEscapeW(urlW.Buffer, escapedW, &lenW, dwFlags)) == E_POINTER) {
escapedW = HeapAlloc(GetProcessHeap(), 0, lenW * sizeof(WCHAR));
ret = UrlEscapeW(urlW.Buffer, escapedW, &lenW, dwFlags);
}
if(ret == S_OK) {
RtlUnicodeToMultiByteSize(&lenA, escapedW, lenW * sizeof(WCHAR));
if(*pcchEscaped > lenA) {
RtlUnicodeToMultiByteN(pszEscaped, *pcchEscaped - 1, &lenA, escapedW, lenW * sizeof(WCHAR));
pszEscaped[lenA] = 0;
*pcchEscaped = lenA;
} else {
*pcchEscaped = lenA + 1;
ret = E_POINTER;
}
}
if(escapedW != bufW) HeapFree(GetProcessHeap(), 0, escapedW);
RtlFreeUnicodeString(&urlW);
return ret;
}
#define WINE_URL_BASH_AS_SLASH 0x01
#define WINE_URL_COLLAPSE_SLASHES 0x02
#define WINE_URL_ESCAPE_SLASH 0x04
#define WINE_URL_ESCAPE_HASH 0x08
#define WINE_URL_ESCAPE_QUESTION 0x10
#define WINE_URL_STOP_ON_HASH 0x20
#define WINE_URL_STOP_ON_QUESTION 0x40
static inline BOOL URL_NeedEscapeW(WCHAR ch, DWORD dwFlags, DWORD int_flags)
{
if (isalnumW(ch))
return FALSE;
if(dwFlags & URL_ESCAPE_SPACES_ONLY) {
if(ch == ' ')
return TRUE;
else
return FALSE;
}
if ((dwFlags & URL_ESCAPE_PERCENT) && (ch == '%'))
return TRUE;
if (ch <= 31 || ch >= 127)
return TRUE;
else {
switch (ch) {
case ' ':
case '<':
case '>':
case '\"':
case '{':
case '}':
case '|':
case '\\':
case '^':
case ']':
case '[':
case '`':
case '&':
return TRUE;
case '/':
if (int_flags & WINE_URL_ESCAPE_SLASH) return TRUE;
return FALSE;
case '?':
if (int_flags & WINE_URL_ESCAPE_QUESTION) return TRUE;
return FALSE;
case '#':
if (int_flags & WINE_URL_ESCAPE_HASH) return TRUE;
return FALSE;
default:
return FALSE;
}
}
}
/*************************************************************************
* UrlEscapeW [SHLWAPI.@]
*
* Converts unsafe characters in a Url into escape sequences.
*
* PARAMS
* pszUrl [I] Url to modify
* pszEscaped [O] Destination for modified Url
* pcchEscaped [I/O] Length of pszUrl, destination for length of pszEscaped
* dwFlags [I] URL_ flags from "shlwapi.h"
*
* RETURNS
* Success: S_OK. pszEscaped contains the escaped Url, pcchEscaped
* contains its length.
* Failure: E_POINTER, if pszEscaped is not large enough. In this case
* pcchEscaped is set to the required length.
*
* Converts unsafe characters into their escape sequences.
*
* NOTES
* - By default this function stops converting at the first '?' or
* '#' character.
* - If dwFlags contains URL_ESCAPE_SPACES_ONLY then only spaces are
* converted, but the conversion continues past a '?' or '#'.
* - Note that this function did not work well (or at all) in shlwapi version 4.
*
* BUGS
* Only the following flags are implemented:
*| URL_ESCAPE_SPACES_ONLY
*| URL_DONT_ESCAPE_EXTRA_INFO
*| URL_ESCAPE_SEGMENT_ONLY
*| URL_ESCAPE_PERCENT
*/
HRESULT WINAPI UrlEscapeW(
LPCWSTR pszUrl,
LPWSTR pszEscaped,
LPDWORD pcchEscaped,
DWORD dwFlags)
{
LPCWSTR src;
DWORD needed = 0, ret;
BOOL stop_escaping = FALSE;
WCHAR next[5], *dst = pszEscaped;
INT len;
PARSEDURLW parsed_url;
DWORD int_flags;
DWORD slashes = 0;
static const WCHAR localhost[] = {'l','o','c','a','l','h','o','s','t',0};
TRACE("(%p(%s) %p %p 0x%08x)\n", pszUrl, debugstr_w(pszUrl),
pszEscaped, pcchEscaped, dwFlags);
if(!pszUrl || !pcchEscaped)
return E_INVALIDARG;
if(dwFlags & ~(URL_ESCAPE_SPACES_ONLY |
URL_ESCAPE_SEGMENT_ONLY |
URL_DONT_ESCAPE_EXTRA_INFO |
URL_ESCAPE_PERCENT))
FIXME("Unimplemented flags: %08x\n", dwFlags);
if(pszUrl == pszEscaped) {
dst = HeapAlloc(GetProcessHeap(), 0, *pcchEscaped*sizeof(WCHAR));
if(!dst)
return E_OUTOFMEMORY;
}
/* fix up flags */
if (dwFlags & URL_ESCAPE_SPACES_ONLY)
/* if SPACES_ONLY specified, reset the other controls */
dwFlags &= ~(URL_DONT_ESCAPE_EXTRA_INFO |
URL_ESCAPE_PERCENT |
URL_ESCAPE_SEGMENT_ONLY);
else
/* if SPACES_ONLY *not* specified the assume DONT_ESCAPE_EXTRA_INFO */
dwFlags |= URL_DONT_ESCAPE_EXTRA_INFO;
int_flags = 0;
if(dwFlags & URL_ESCAPE_SEGMENT_ONLY) {
int_flags = WINE_URL_ESCAPE_QUESTION | WINE_URL_ESCAPE_HASH | WINE_URL_ESCAPE_SLASH;
} else {
parsed_url.cbSize = sizeof(parsed_url);
if(ParseURLW(pszUrl, &parsed_url) != S_OK)
parsed_url.nScheme = URL_SCHEME_INVALID;
TRACE("scheme = %d (%s)\n", parsed_url.nScheme, debugstr_wn(parsed_url.pszProtocol, parsed_url.cchProtocol));
if(dwFlags & URL_DONT_ESCAPE_EXTRA_INFO)
int_flags = WINE_URL_STOP_ON_HASH | WINE_URL_STOP_ON_QUESTION;
switch(parsed_url.nScheme) {
case URL_SCHEME_FILE:
int_flags |= WINE_URL_BASH_AS_SLASH | WINE_URL_COLLAPSE_SLASHES | WINE_URL_ESCAPE_HASH;
int_flags &= ~WINE_URL_STOP_ON_HASH;
break;
case URL_SCHEME_HTTP:
case URL_SCHEME_HTTPS:
int_flags |= WINE_URL_BASH_AS_SLASH;
if(parsed_url.pszSuffix[0] != '/' && parsed_url.pszSuffix[0] != '\\')
int_flags |= WINE_URL_ESCAPE_SLASH;
break;
case URL_SCHEME_MAILTO:
int_flags |= WINE_URL_ESCAPE_SLASH | WINE_URL_ESCAPE_QUESTION | WINE_URL_ESCAPE_HASH;
int_flags &= ~(WINE_URL_STOP_ON_QUESTION | WINE_URL_STOP_ON_HASH);
break;
case URL_SCHEME_INVALID:
break;
case URL_SCHEME_FTP:
default:
if(parsed_url.pszSuffix[0] != '/')
int_flags |= WINE_URL_ESCAPE_SLASH;
break;
}
}
for(src = pszUrl; *src; ) {
WCHAR cur = *src;
len = 0;
if((int_flags & WINE_URL_COLLAPSE_SLASHES) && src == pszUrl + parsed_url.cchProtocol + 1) {
int localhost_len = sizeof(localhost)/sizeof(WCHAR) - 1;
while(cur == '/' || cur == '\\') {
slashes++;
cur = *++src;
}
if(slashes == 2 && !strncmpiW(src, localhost, localhost_len)) { /* file://localhost/ -> file:/// */
if(*(src + localhost_len) == '/' || *(src + localhost_len) == '\\')
src += localhost_len + 1;
slashes = 3;
}
switch(slashes) {
case 1:
case 3:
next[0] = next[1] = next[2] = '/';
len = 3;
break;
case 0:
len = 0;
break;
default:
next[0] = next[1] = '/';
len = 2;
break;
}
}
if(len == 0) {
if(cur == '#' && (int_flags & WINE_URL_STOP_ON_HASH))
stop_escaping = TRUE;
if(cur == '?' && (int_flags & WINE_URL_STOP_ON_QUESTION))
stop_escaping = TRUE;
if(cur == '\\' && (int_flags & WINE_URL_BASH_AS_SLASH) && !stop_escaping) cur = '/';
if(URL_NeedEscapeW(cur, dwFlags, int_flags) && stop_escaping == FALSE) {
next[0] = '%';
next[1] = hexDigits[(cur >> 4) & 0xf];
next[2] = hexDigits[cur & 0xf];
len = 3;
} else {
next[0] = cur;
len = 1;
}
src++;
}
if(needed + len <= *pcchEscaped) {
memcpy(dst, next, len*sizeof(WCHAR));
dst += len;
}
needed += len;
}
if(needed < *pcchEscaped) {
*dst = '\0';
if(pszUrl == pszEscaped)
memcpy(pszEscaped, dst-needed, (needed+1)*sizeof(WCHAR));
ret = S_OK;
} else {
needed++; /* add one for the '\0' */
ret = E_POINTER;
}
*pcchEscaped = needed;
if(pszUrl == pszEscaped)
HeapFree(GetProcessHeap(), 0, dst);
return ret;
}
/*************************************************************************
* UrlUnescapeA [SHLWAPI.@]
*
* Converts Url escape sequences back to ordinary characters.
*
* PARAMS
* pszUrl [I/O] Url to convert
* pszUnescaped [O] Destination for converted Url
* pcchUnescaped [I/O] Size of output string
* dwFlags [I] URL_ESCAPE_ Flags from "shlwapi.h"
*
* RETURNS
* Success: S_OK. The converted value is in pszUnescaped, or in pszUrl if
* dwFlags includes URL_ESCAPE_INPLACE.
* Failure: E_POINTER if the converted Url is bigger than pcchUnescaped. In
* this case pcchUnescaped is set to the size required.
* NOTES
* If dwFlags includes URL_DONT_ESCAPE_EXTRA_INFO, the conversion stops at
* the first occurrence of either a '?' or '#' character.
*/
HRESULT WINAPI UrlUnescapeA(
LPSTR pszUrl,
LPSTR pszUnescaped,
LPDWORD pcchUnescaped,
DWORD dwFlags)
{
char *dst, next;
LPCSTR src;
HRESULT ret;
DWORD needed;
BOOL stop_unescaping = FALSE;
TRACE("(%s, %p, %p, 0x%08x)\n", debugstr_a(pszUrl), pszUnescaped,
pcchUnescaped, dwFlags);
if (!pszUrl) return E_INVALIDARG;
if(dwFlags & URL_UNESCAPE_INPLACE)
dst = pszUrl;
else
{
if (!pszUnescaped || !pcchUnescaped) return E_INVALIDARG;
dst = pszUnescaped;
}
for(src = pszUrl, needed = 0; *src; src++, needed++) {
if(dwFlags & URL_DONT_UNESCAPE_EXTRA_INFO &&
(*src == '#' || *src == '?')) {
stop_unescaping = TRUE;
next = *src;
} else if(*src == '%' && isxdigit(*(src + 1)) && isxdigit(*(src + 2))
&& stop_unescaping == FALSE) {
INT ih;
char buf[3];
memcpy(buf, src + 1, 2);
buf[2] = '\0';
ih = strtol(buf, NULL, 16);
next = (CHAR) ih;
src += 2; /* Advance to end of escape */
} else
next = *src;
if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped)
*dst++ = next;
}
if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped) {
*dst = '\0';
ret = S_OK;
} else {
needed++; /* add one for the '\0' */
ret = E_POINTER;
}
if(!(dwFlags & URL_UNESCAPE_INPLACE))
*pcchUnescaped = needed;
if (ret == S_OK) {
TRACE("result %s\n", (dwFlags & URL_UNESCAPE_INPLACE) ?
debugstr_a(pszUrl) : debugstr_a(pszUnescaped));
}
return ret;
}
/*************************************************************************
* UrlUnescapeW [SHLWAPI.@]
*
* See UrlUnescapeA.
*/
HRESULT WINAPI UrlUnescapeW(
LPWSTR pszUrl,
LPWSTR pszUnescaped,
LPDWORD pcchUnescaped,
DWORD dwFlags)
{
WCHAR *dst, next;
LPCWSTR src;
HRESULT ret;
DWORD needed;
BOOL stop_unescaping = FALSE;
TRACE("(%s, %p, %p, 0x%08x)\n", debugstr_w(pszUrl), pszUnescaped,
pcchUnescaped, dwFlags);
if(!pszUrl) return E_INVALIDARG;
if(dwFlags & URL_UNESCAPE_INPLACE)
dst = pszUrl;
else
{
if (!pszUnescaped || !pcchUnescaped) return E_INVALIDARG;
dst = pszUnescaped;
}
for(src = pszUrl, needed = 0; *src; src++, needed++) {
if(dwFlags & URL_DONT_UNESCAPE_EXTRA_INFO &&
(*src == '#' || *src == '?')) {
stop_unescaping = TRUE;
next = *src;
} else if(*src == '%' && isxdigitW(*(src + 1)) && isxdigitW(*(src + 2))
&& stop_unescaping == FALSE) {
INT ih;
WCHAR buf[5] = {'0','x',0};
memcpy(buf + 2, src + 1, 2*sizeof(WCHAR));
buf[4] = 0;
StrToIntExW(buf, STIF_SUPPORT_HEX, &ih);
next = (WCHAR) ih;
src += 2; /* Advance to end of escape */
} else
next = *src;
if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped)
*dst++ = next;
}
if(dwFlags & URL_UNESCAPE_INPLACE || needed < *pcchUnescaped) {
*dst = '\0';
ret = S_OK;
} else {
needed++; /* add one for the '\0' */
ret = E_POINTER;
}
if(!(dwFlags & URL_UNESCAPE_INPLACE))
*pcchUnescaped = needed;
if (ret == S_OK) {
TRACE("result %s\n", (dwFlags & URL_UNESCAPE_INPLACE) ?
debugstr_w(pszUrl) : debugstr_w(pszUnescaped));
}
return ret;
}
/*************************************************************************
* UrlGetLocationA [SHLWAPI.@]
*
* Get the location from a Url.
*
* PARAMS
* pszUrl [I] Url to get the location from
*
* RETURNS
* A pointer to the start of the location in pszUrl, or NULL if there is
* no location.
*
* NOTES
* - MSDN erroneously states that "The location is the segment of the Url
* starting with a '?' or '#' character". Neither V4 nor V5 of shlwapi.dll
* stop at '?' and always return a NULL in this case.
* - MSDN also erroneously states that "If a file URL has a query string,
* the returned string is the query string". In all tested cases, if the
* Url starts with "fi" then a NULL is returned. V5 gives the following results:
*| Result Url
*| ------ ---
*| NULL file://aa/b/cd#hohoh
*| #hohoh http://aa/b/cd#hohoh
*| NULL fi://aa/b/cd#hohoh
*| #hohoh ff://aa/b/cd#hohoh
*/
LPCSTR WINAPI UrlGetLocationA(
LPCSTR pszUrl)
{
PARSEDURLA base;
DWORD res1;
base.cbSize = sizeof(base);
res1 = ParseURLA(pszUrl, &base);
if (res1) return NULL; /* invalid scheme */
/* if scheme is file: then never return pointer */
if (strncmp(base.pszProtocol, "file", min(4,base.cchProtocol)) == 0) return NULL;
/* Look for '#' and return its addr */
return strchr(base.pszSuffix, '#');
}
/*************************************************************************
* UrlGetLocationW [SHLWAPI.@]
*
* See UrlGetLocationA.
*/
LPCWSTR WINAPI UrlGetLocationW(
LPCWSTR pszUrl)
{
PARSEDURLW base;
DWORD res1;
base.cbSize = sizeof(base);
res1 = ParseURLW(pszUrl, &base);
if (res1) return NULL; /* invalid scheme */
/* if scheme is file: then never return pointer */
if (strncmpW(base.pszProtocol, fileW, min(4,base.cchProtocol)) == 0) return NULL;
/* Look for '#' and return its addr */
return strchrW(base.pszSuffix, '#');
}
/*************************************************************************
* UrlCompareA [SHLWAPI.@]
*
* Compare two Urls.
*
* PARAMS
* pszUrl1 [I] First Url to compare
* pszUrl2 [I] Url to compare to pszUrl1
* fIgnoreSlash [I] TRUE = compare only up to a final slash
*
* RETURNS
* less than zero, zero, or greater than zero indicating pszUrl2 is greater
* than, equal to, or less than pszUrl1 respectively.
*/
INT WINAPI UrlCompareA(
LPCSTR pszUrl1,
LPCSTR pszUrl2,
BOOL fIgnoreSlash)
{
INT ret, len, len1, len2;
if (!fIgnoreSlash)
return strcmp(pszUrl1, pszUrl2);
len1 = strlen(pszUrl1);
if (pszUrl1[len1-1] == '/') len1--;
len2 = strlen(pszUrl2);
if (pszUrl2[len2-1] == '/') len2--;
if (len1 == len2)
return strncmp(pszUrl1, pszUrl2, len1);
len = min(len1, len2);
ret = strncmp(pszUrl1, pszUrl2, len);
if (ret) return ret;
if (len1 > len2) return 1;
return -1;
}
/*************************************************************************
* UrlCompareW [SHLWAPI.@]
*
* See UrlCompareA.
*/
INT WINAPI UrlCompareW(
LPCWSTR pszUrl1,
LPCWSTR pszUrl2,
BOOL fIgnoreSlash)
{
INT ret;
size_t len, len1, len2;
if (!fIgnoreSlash)
return strcmpW(pszUrl1, pszUrl2);
len1 = strlenW(pszUrl1);
if (pszUrl1[len1-1] == '/') len1--;
len2 = strlenW(pszUrl2);
if (pszUrl2[len2-1] == '/') len2--;
if (len1 == len2)
return strncmpW(pszUrl1, pszUrl2, len1);
len = min(len1, len2);
ret = strncmpW(pszUrl1, pszUrl2, len);
if (ret) return ret;
if (len1 > len2) return 1;
return -1;
}
/*************************************************************************
* HashData [SHLWAPI.@]
*
* Hash an input block into a variable sized digest.
*
* PARAMS
* lpSrc [I] Input block
* nSrcLen [I] Length of lpSrc
* lpDest [I] Output for hash digest
* nDestLen [I] Length of lpDest
*
* RETURNS
* Success: TRUE. lpDest is filled with the computed hash value.
* Failure: FALSE, if any argument is invalid.
*/
HRESULT WINAPI HashData(const unsigned char *lpSrc, DWORD nSrcLen,
unsigned char *lpDest, DWORD nDestLen)
{
INT srcCount = nSrcLen - 1, destCount = nDestLen - 1;
if (!lpSrc || !lpDest)
return E_INVALIDARG;
while (destCount >= 0)
{
lpDest[destCount] = (destCount & 0xff);
destCount--;
}
while (srcCount >= 0)
{
destCount = nDestLen - 1;
while (destCount >= 0)
{
lpDest[destCount] = HashDataLookup[lpSrc[srcCount] ^ lpDest[destCount]];
destCount--;
}
srcCount--;
}
return S_OK;
}
/*************************************************************************
* UrlHashA [SHLWAPI.@]
*
* Produce a Hash from a Url.
*
* PARAMS
* pszUrl [I] Url to hash
* lpDest [O] Destinationh for hash
* nDestLen [I] Length of lpDest
*
* RETURNS
* Success: S_OK. lpDest is filled with the computed hash value.
* Failure: E_INVALIDARG, if any argument is invalid.
*/
HRESULT WINAPI UrlHashA(LPCSTR pszUrl, unsigned char *lpDest, DWORD nDestLen)
{
if (IsBadStringPtrA(pszUrl, -1) || IsBadWritePtr(lpDest, nDestLen))
return E_INVALIDARG;
HashData((const BYTE*)pszUrl, (int)strlen(pszUrl), lpDest, nDestLen);
return S_OK;
}
/*************************************************************************
* UrlHashW [SHLWAPI.@]
*
* See UrlHashA.
*/
HRESULT WINAPI UrlHashW(LPCWSTR pszUrl, unsigned char *lpDest, DWORD nDestLen)
{
char szUrl[MAX_PATH];
TRACE("(%s,%p,%d)\n",debugstr_w(pszUrl), lpDest, nDestLen);
if (IsBadStringPtrW(pszUrl, -1) || IsBadWritePtr(lpDest, nDestLen))
return E_INVALIDARG;
/* Win32 hashes the data as an ASCII string, presumably so that both A+W
* return the same digests for the same URL.
*/
WideCharToMultiByte(0, 0, pszUrl, -1, szUrl, MAX_PATH, 0, 0);
HashData((const BYTE*)szUrl, (int)strlen(szUrl), lpDest, nDestLen);
return S_OK;
}
/*************************************************************************
* UrlApplySchemeA [SHLWAPI.@]
*
* Apply a scheme to a Url.
*
* PARAMS
* pszIn [I] Url to apply scheme to
* pszOut [O] Destination for modified Url
* pcchOut [I/O] Length of pszOut/destination for length of pszOut
* dwFlags [I] URL_ flags from "shlwapi.h"
*
* RETURNS
* Success: S_OK: pszOut contains the modified Url, pcchOut contains its length.
* Failure: An HRESULT error code describing the error.
*/
HRESULT WINAPI UrlApplySchemeA(LPCSTR pszIn, LPSTR pszOut, LPDWORD pcchOut, DWORD dwFlags)
{
LPWSTR in, out;
HRESULT ret;
DWORD len;
TRACE("(%s, %p, %p:out size %d, 0x%08x)\n", debugstr_a(pszIn),
pszOut, pcchOut, pcchOut ? *pcchOut : 0, dwFlags);
if (!pszIn || !pszOut || !pcchOut) return E_INVALIDARG;
in = HeapAlloc(GetProcessHeap(), 0,
(2*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR));
out = in + INTERNET_MAX_URL_LENGTH;
MultiByteToWideChar(CP_ACP, 0, pszIn, -1, in, INTERNET_MAX_URL_LENGTH);
len = INTERNET_MAX_URL_LENGTH;
ret = UrlApplySchemeW(in, out, &len, dwFlags);
if (ret != S_OK) {
HeapFree(GetProcessHeap(), 0, in);
return ret;
}
len = WideCharToMultiByte(CP_ACP, 0, out, -1, NULL, 0, NULL, NULL);
if (len > *pcchOut) {
ret = E_POINTER;
goto cleanup;
}
WideCharToMultiByte(CP_ACP, 0, out, -1, pszOut, *pcchOut, NULL, NULL);
len--;
cleanup:
*pcchOut = len;
HeapFree(GetProcessHeap(), 0, in);
return ret;
}
static HRESULT URL_GuessScheme(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut)
{
HKEY newkey;
BOOL j;
INT index;
DWORD value_len, data_len, dwType, i;
WCHAR reg_path[MAX_PATH];
WCHAR value[MAX_PATH], data[MAX_PATH];
WCHAR Wxx, Wyy;
MultiByteToWideChar(0, 0,
"Software\\Microsoft\\Windows\\CurrentVersion\\URL\\Prefixes",
-1, reg_path, MAX_PATH);
RegOpenKeyExW(HKEY_LOCAL_MACHINE, reg_path, 0, 1, &newkey);
index = 0;
while(value_len = data_len = MAX_PATH,
RegEnumValueW(newkey, index, value, &value_len,
0, &dwType, (LPVOID)data, &data_len) == 0) {
TRACE("guess %d %s is %s\n",
index, debugstr_w(value), debugstr_w(data));
j = FALSE;
for(i=0; i<value_len; i++) {
Wxx = pszIn[i];
Wyy = value[i];
/* remember that TRUE is not-equal */
j = ChrCmpIW(Wxx, Wyy);
if (j) break;
}
if ((i == value_len) && !j) {
if (strlenW(data) + strlenW(pszIn) + 1 > *pcchOut) {
*pcchOut = strlenW(data) + strlenW(pszIn) + 1;
RegCloseKey(newkey);
return E_POINTER;
}
strcpyW(pszOut, data);
strcatW(pszOut, pszIn);
*pcchOut = strlenW(pszOut);
TRACE("matched and set to %s\n", debugstr_w(pszOut));
RegCloseKey(newkey);
return S_OK;
}
index++;
}
RegCloseKey(newkey);
return E_FAIL;
}
static HRESULT URL_ApplyDefault(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut)
{
HKEY newkey;
DWORD data_len, dwType;
WCHAR data[MAX_PATH];
static const WCHAR prefix_keyW[] =
{'S','o','f','t','w','a','r','e',
'\\','M','i','c','r','o','s','o','f','t',
'\\','W','i','n','d','o','w','s',
'\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n',
'\\','U','R','L',
'\\','D','e','f','a','u','l','t','P','r','e','f','i','x',0};
/* get and prepend default */
RegOpenKeyExW(HKEY_LOCAL_MACHINE, prefix_keyW, 0, 1, &newkey);
data_len = sizeof(data);
RegQueryValueExW(newkey, NULL, 0, &dwType, (LPBYTE)data, &data_len);
RegCloseKey(newkey);
if (strlenW(data) + strlenW(pszIn) + 1 > *pcchOut) {
*pcchOut = strlenW(data) + strlenW(pszIn) + 1;
return E_POINTER;
}
strcpyW(pszOut, data);
strcatW(pszOut, pszIn);
*pcchOut = strlenW(pszOut);
TRACE("used default %s\n", debugstr_w(pszOut));
return S_OK;
}
/*************************************************************************
* UrlApplySchemeW [SHLWAPI.@]
*
* See UrlApplySchemeA.
*/
HRESULT WINAPI UrlApplySchemeW(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut, DWORD dwFlags)
{
PARSEDURLW in_scheme;
DWORD res1;
HRESULT ret;
TRACE("(%s, %p, %p:out size %d, 0x%08x)\n", debugstr_w(pszIn),
pszOut, pcchOut, pcchOut ? *pcchOut : 0, dwFlags);
if (!pszIn || !pszOut || !pcchOut) return E_INVALIDARG;
if (dwFlags & URL_APPLY_GUESSFILE) {
FIXME("(%s %p %p(%d) 0x%08x): stub URL_APPLY_GUESSFILE not implemented\n",
debugstr_w(pszIn), pszOut, pcchOut, *pcchOut, dwFlags);
strcpyW(pszOut, pszIn);
*pcchOut = strlenW(pszOut);
return S_FALSE;
}
in_scheme.cbSize = sizeof(in_scheme);
/* See if the base has a scheme */
res1 = ParseURLW(pszIn, &in_scheme);
if (res1) {
/* no scheme in input, need to see if we need to guess */
if (dwFlags & URL_APPLY_GUESSSCHEME) {
if ((ret = URL_GuessScheme(pszIn, pszOut, pcchOut)) != E_FAIL)
return ret;
}
}
else {
/* we have a scheme, see if valid (known scheme) */
if (in_scheme.nScheme) {
/* have valid scheme, so just copy and exit */
if (strlenW(pszIn) + 1 > *pcchOut) {
*pcchOut = strlenW(pszIn) + 1;
return E_POINTER;
}
strcpyW(pszOut, pszIn);
*pcchOut = strlenW(pszOut);
TRACE("valid scheme, returning copy\n");
return S_OK;
}
}
/* If we are here, then either invalid scheme,
* or no scheme and can't/failed guess.
*/
if ( ( ((res1 == 0) && (dwFlags & URL_APPLY_FORCEAPPLY)) ||
((res1 != 0)) ) &&
(dwFlags & URL_APPLY_DEFAULT)) {
/* find and apply default scheme */
return URL_ApplyDefault(pszIn, pszOut, pcchOut);
}
return S_FALSE;
}
/*************************************************************************
* UrlIsA [SHLWAPI.@]
*
* Determine if a Url is of a certain class.
*
* PARAMS
* pszUrl [I] Url to check
* Urlis [I] URLIS_ constant from "shlwapi.h"
*
* RETURNS
* TRUE if pszUrl belongs to the class type in Urlis.
* FALSE Otherwise.
*/
BOOL WINAPI UrlIsA(LPCSTR pszUrl, URLIS Urlis)
{
PARSEDURLA base;
DWORD res1;
LPCSTR last;
TRACE("(%s %d)\n", debugstr_a(pszUrl), Urlis);
if(!pszUrl)
return FALSE;
switch (Urlis) {
case URLIS_OPAQUE:
base.cbSize = sizeof(base);
res1 = ParseURLA(pszUrl, &base);
if (res1) return FALSE; /* invalid scheme */
switch (base.nScheme)
{
case URL_SCHEME_MAILTO:
case URL_SCHEME_SHELL:
case URL_SCHEME_JAVASCRIPT:
case URL_SCHEME_VBSCRIPT:
case URL_SCHEME_ABOUT:
return TRUE;
}
return FALSE;
case URLIS_FILEURL:
return !StrCmpNA("file:", pszUrl, 5);
case URLIS_DIRECTORY:
last = pszUrl + strlen(pszUrl) - 1;
return (last >= pszUrl && (*last == '/' || *last == '\\' ));
case URLIS_URL:
return PathIsURLA(pszUrl);
case URLIS_NOHISTORY:
case URLIS_APPLIABLE:
case URLIS_HASQUERY:
default:
FIXME("(%s %d): stub\n", debugstr_a(pszUrl), Urlis);
}
return FALSE;
}
/*************************************************************************
* UrlIsW [SHLWAPI.@]
*
* See UrlIsA.
*/
BOOL WINAPI UrlIsW(LPCWSTR pszUrl, URLIS Urlis)
{
static const WCHAR stemp[] = { 'f','i','l','e',':',0 };
PARSEDURLW base;
DWORD res1;
LPCWSTR last;
TRACE("(%s %d)\n", debugstr_w(pszUrl), Urlis);
if(!pszUrl)
return FALSE;
switch (Urlis) {
case URLIS_OPAQUE:
base.cbSize = sizeof(base);
res1 = ParseURLW(pszUrl, &base);
if (res1) return FALSE; /* invalid scheme */
switch (base.nScheme)
{
case URL_SCHEME_MAILTO:
case URL_SCHEME_SHELL:
case URL_SCHEME_JAVASCRIPT:
case URL_SCHEME_VBSCRIPT:
case URL_SCHEME_ABOUT:
return TRUE;
}
return FALSE;
case URLIS_FILEURL:
return !strncmpW(stemp, pszUrl, 5);
case URLIS_DIRECTORY:
last = pszUrl + strlenW(pszUrl) - 1;
return (last >= pszUrl && (*last == '/' || *last == '\\'));
case URLIS_URL:
return PathIsURLW(pszUrl);
case URLIS_NOHISTORY:
case URLIS_APPLIABLE:
case URLIS_HASQUERY:
default:
FIXME("(%s %d): stub\n", debugstr_w(pszUrl), Urlis);
}
return FALSE;
}
/*************************************************************************
* UrlIsNoHistoryA [SHLWAPI.@]
*
* Determine if a Url should not be stored in the users history list.
*
* PARAMS
* pszUrl [I] Url to check
*
* RETURNS
* TRUE, if pszUrl should be excluded from the history list,
* FALSE otherwise.
*/
BOOL WINAPI UrlIsNoHistoryA(LPCSTR pszUrl)
{
return UrlIsA(pszUrl, URLIS_NOHISTORY);
}
/*************************************************************************
* UrlIsNoHistoryW [SHLWAPI.@]
*
* See UrlIsNoHistoryA.
*/
BOOL WINAPI UrlIsNoHistoryW(LPCWSTR pszUrl)
{
return UrlIsW(pszUrl, URLIS_NOHISTORY);
}
/*************************************************************************
* UrlIsOpaqueA [SHLWAPI.@]
*
* Determine if a Url is opaque.
*
* PARAMS
* pszUrl [I] Url to check
*
* RETURNS
* TRUE if pszUrl is opaque,
* FALSE Otherwise.
*
* NOTES
* An opaque Url is one that does not start with "<protocol>://".
*/
BOOL WINAPI UrlIsOpaqueA(LPCSTR pszUrl)
{
return UrlIsA(pszUrl, URLIS_OPAQUE);
}
/*************************************************************************
* UrlIsOpaqueW [SHLWAPI.@]
*
* See UrlIsOpaqueA.
*/
BOOL WINAPI UrlIsOpaqueW(LPCWSTR pszUrl)
{
return UrlIsW(pszUrl, URLIS_OPAQUE);
}
/*************************************************************************
* Scans for characters of type "type" and when not matching found,
* returns pointer to it and length in size.
*
* Characters tested based on RFC 1738
*/
static LPCWSTR URL_ScanID(LPCWSTR start, LPDWORD size, WINE_URL_SCAN_TYPE type)
{
static DWORD alwayszero = 0;
BOOL cont = TRUE;
*size = 0;
switch(type){
case SCHEME:
while (cont) {
if ( (islowerW(*start) && isalphaW(*start)) ||
isdigitW(*start) ||
(*start == '+') ||
(*start == '-') ||
(*start == '.')) {
start++;
(*size)++;
}
else
cont = FALSE;
}
if(*start != ':')
*size = 0;
break;
case USERPASS:
while (cont) {
if ( isalphaW(*start) ||
isdigitW(*start) ||
/* user/password only characters */
(*start == ';') ||
(*start == '?') ||
(*start == '&') ||
(*start == '=') ||
/* *extra* characters */
(*start == '!') ||
(*start == '*') ||
(*start == '\'') ||
(*start == '(') ||
(*start == ')') ||
(*start == ',') ||
/* *safe* characters */
(*start == '$') ||
(*start == '_') ||
(*start == '+') ||
(*start == '-') ||
(*start == '.') ||
(*start == ' ')) {
start++;
(*size)++;
} else if (*start == '%') {
if (isxdigitW(*(start+1)) &&
isxdigitW(*(start+2))) {
start += 3;
*size += 3;
} else
cont = FALSE;
} else
cont = FALSE;
}
break;
case PORT:
while (cont) {
if (isdigitW(*start)) {
start++;
(*size)++;
}
else
cont = FALSE;
}
break;
case HOST:
while (cont) {
if (isalnumW(*start) ||
(*start == '-') ||
(*start == '.') ||
(*start == ' ') ) {
start++;
(*size)++;
}
else
cont = FALSE;
}
break;
default:
FIXME("unknown type %d\n", type);
return (LPWSTR)&alwayszero;
}
/* TRACE("scanned %d characters next char %p<%c>\n",
*size, start, *start); */
return start;
}
/*************************************************************************
* Attempt to parse URL into pieces.
*/
static LONG URL_ParseUrl(LPCWSTR pszUrl, WINE_PARSE_URL *pl)
{
LPCWSTR work;
memset(pl, 0, sizeof(WINE_PARSE_URL));
pl->pScheme = pszUrl;
work = URL_ScanID(pl->pScheme, &pl->szScheme, SCHEME);
if (!*work || (*work != ':')) goto ErrorExit;
work++;
if ((*work != '/') || (*(work+1) != '/')) goto SuccessExit;
pl->pUserName = work + 2;
work = URL_ScanID(pl->pUserName, &pl->szUserName, USERPASS);
if (*work == ':' ) {
/* parse password */
work++;
pl->pPassword = work;
work = URL_ScanID(pl->pPassword, &pl->szPassword, USERPASS);
if (*work != '@') {
/* what we just parsed must be the hostname and port
* so reset pointers and clear then let it parse */
pl->szUserName = pl->szPassword = 0;
work = pl->pUserName - 1;
pl->pUserName = pl->pPassword = 0;
}
} else if (*work == '@') {
/* no password */
pl->szPassword = 0;
pl->pPassword = 0;
} else if (!*work || (*work == '/') || (*work == '.')) {
/* what was parsed was hostname, so reset pointers and let it parse */
pl->szUserName = pl->szPassword = 0;
work = pl->pUserName - 1;
pl->pUserName = pl->pPassword = 0;
} else goto ErrorExit;
/* now start parsing hostname or hostnumber */
work++;
pl->pHostName = work;
work = URL_ScanID(pl->pHostName, &pl->szHostName, HOST);
if (*work == ':') {
/* parse port */
work++;
pl->pPort = work;
work = URL_ScanID(pl->pPort, &pl->szPort, PORT);
}
if (*work == '/') {
/* see if query string */
pl->pQuery = strchrW(work, '?');
if (pl->pQuery) pl->szQuery = strlenW(pl->pQuery);
}
SuccessExit:
TRACE("parse successful: scheme=%p(%d), user=%p(%d), pass=%p(%d), host=%p(%d), port=%p(%d), query=%p(%d)\n",
pl->pScheme, pl->szScheme,
pl->pUserName, pl->szUserName,
pl->pPassword, pl->szPassword,
pl->pHostName, pl->szHostName,
pl->pPort, pl->szPort,
pl->pQuery, pl->szQuery);
return S_OK;
ErrorExit:
FIXME("failed to parse %s\n", debugstr_w(pszUrl));
return E_INVALIDARG;
}
/*************************************************************************
* UrlGetPartA [SHLWAPI.@]
*
* Retrieve part of a Url.
*
* PARAMS
* pszIn [I] Url to parse
* pszOut [O] Destination for part of pszIn requested
* pcchOut [I] Size of pszOut
* [O] length of pszOut string EXCLUDING '\0' if S_OK, otherwise
* needed size of pszOut INCLUDING '\0'.
* dwPart [I] URL_PART_ enum from "shlwapi.h"
* dwFlags [I] URL_ flags from "shlwapi.h"
*
* RETURNS
* Success: S_OK. pszOut contains the part requested, pcchOut contains its length.
* Failure: An HRESULT error code describing the error.
*/
HRESULT WINAPI UrlGetPartA(LPCSTR pszIn, LPSTR pszOut, LPDWORD pcchOut,
DWORD dwPart, DWORD dwFlags)
{
LPWSTR in, out;
DWORD ret, len, len2;
if(!pszIn || !pszOut || !pcchOut || *pcchOut <= 0)
return E_INVALIDARG;
in = HeapAlloc(GetProcessHeap(), 0,
(2*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR));
out = in + INTERNET_MAX_URL_LENGTH;
MultiByteToWideChar(0, 0, pszIn, -1, in, INTERNET_MAX_URL_LENGTH);
len = INTERNET_MAX_URL_LENGTH;
ret = UrlGetPartW(in, out, &len, dwPart, dwFlags);
if (FAILED(ret)) {
HeapFree(GetProcessHeap(), 0, in);
return ret;
}
len2 = WideCharToMultiByte(0, 0, out, len, 0, 0, 0, 0);
if (len2 > *pcchOut) {
*pcchOut = len2+1;
HeapFree(GetProcessHeap(), 0, in);
return E_POINTER;
}
len2 = WideCharToMultiByte(0, 0, out, len+1, pszOut, *pcchOut, 0, 0);
*pcchOut = len2-1;
HeapFree(GetProcessHeap(), 0, in);
return ret;
}
/*************************************************************************
* UrlGetPartW [SHLWAPI.@]
*
* See UrlGetPartA.
*/
HRESULT WINAPI UrlGetPartW(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut,
DWORD dwPart, DWORD dwFlags)
{
WINE_PARSE_URL pl;
HRESULT ret;
DWORD scheme, size, schsize;
LPCWSTR addr, schaddr;
TRACE("(%s %p %p(%d) %08x %08x)\n",
debugstr_w(pszIn), pszOut, pcchOut, *pcchOut, dwPart, dwFlags);
if(!pszIn || !pszOut || !pcchOut || *pcchOut <= 0)
return E_INVALIDARG;
*pszOut = '\0';
addr = strchrW(pszIn, ':');
if(!addr)
scheme = URL_SCHEME_UNKNOWN;
else
scheme = get_scheme_code(pszIn, addr-pszIn);
ret = URL_ParseUrl(pszIn, &pl);
switch (dwPart) {
case URL_PART_SCHEME:
if (!pl.szScheme) {
*pcchOut = 0;
return S_FALSE;
}
addr = pl.pScheme;
size = pl.szScheme;
break;
case URL_PART_HOSTNAME:
switch(scheme) {
case URL_SCHEME_FTP:
case URL_SCHEME_HTTP:
case URL_SCHEME_GOPHER:
case URL_SCHEME_TELNET:
case URL_SCHEME_FILE:
case URL_SCHEME_HTTPS:
break;
default:
*pcchOut = 0;
return E_FAIL;
}
if(scheme==URL_SCHEME_FILE && (!pl.szHostName ||
(pl.szHostName==1 && *(pl.pHostName+1)==':'))) {
*pcchOut = 0;
return S_FALSE;
}
if (!pl.szHostName) {
*pcchOut = 0;
return S_FALSE;
}
addr = pl.pHostName;
size = pl.szHostName;
break;
case URL_PART_USERNAME:
if (!pl.szUserName) {
*pcchOut = 0;
return S_FALSE;
}
addr = pl.pUserName;
size = pl.szUserName;
break;
case URL_PART_PASSWORD:
if (!pl.szPassword) {
*pcchOut = 0;
return S_FALSE;
}
addr = pl.pPassword;
size = pl.szPassword;
break;
case URL_PART_PORT:
if (!pl.szPort) {
*pcchOut = 0;
return S_FALSE;
}
addr = pl.pPort;
size = pl.szPort;
break;
case URL_PART_QUERY:
if (!pl.szQuery) {
*pcchOut = 0;
return S_FALSE;
}
addr = pl.pQuery;
size = pl.szQuery;
break;
default:
*pcchOut = 0;
return E_INVALIDARG;
}
if (dwFlags == URL_PARTFLAG_KEEPSCHEME) {
if(!pl.pScheme || !pl.szScheme) {
*pcchOut = 0;
return E_FAIL;
}
schaddr = pl.pScheme;
schsize = pl.szScheme;
if (*pcchOut < schsize + size + 2) {
*pcchOut = schsize + size + 2;
return E_POINTER;
}
memcpy(pszOut, schaddr, schsize*sizeof(WCHAR));
pszOut[schsize] = ':';
memcpy(pszOut+schsize+1, addr, size*sizeof(WCHAR));
pszOut[schsize+1+size] = 0;
*pcchOut = schsize + 1 + size;
}
else {
if (*pcchOut < size + 1) {*pcchOut = size+1; return E_POINTER;}
memcpy(pszOut, addr, size*sizeof(WCHAR));
pszOut[size] = 0;
*pcchOut = size;
}
TRACE("len=%d %s\n", *pcchOut, debugstr_w(pszOut));
return ret;
}
/*************************************************************************
* PathIsURLA [SHLWAPI.@]
*
* Check if the given path is a Url.
*
* PARAMS
* lpszPath [I] Path to check.
*
* RETURNS
* TRUE if lpszPath is a Url.
* FALSE if lpszPath is NULL or not a Url.
*/
BOOL WINAPI PathIsURLA(LPCSTR lpstrPath)
{
PARSEDURLA base;
HRESULT hres;
TRACE("%s\n", debugstr_a(lpstrPath));
if (!lpstrPath || !*lpstrPath) return FALSE;
/* get protocol */
base.cbSize = sizeof(base);
hres = ParseURLA(lpstrPath, &base);
return hres == S_OK && (base.nScheme != URL_SCHEME_INVALID);
}
/*************************************************************************
* PathIsURLW [SHLWAPI.@]
*
* See PathIsURLA.
*/
BOOL WINAPI PathIsURLW(LPCWSTR lpstrPath)
{
PARSEDURLW base;
HRESULT hres;
TRACE("%s\n", debugstr_w(lpstrPath));
if (!lpstrPath || !*lpstrPath) return FALSE;
/* get protocol */
base.cbSize = sizeof(base);
hres = ParseURLW(lpstrPath, &base);
return hres == S_OK && (base.nScheme != URL_SCHEME_INVALID);
}
/*************************************************************************
* UrlCreateFromPathA [SHLWAPI.@]
*
* See UrlCreateFromPathW
*/
HRESULT WINAPI UrlCreateFromPathA(LPCSTR pszPath, LPSTR pszUrl, LPDWORD pcchUrl, DWORD dwReserved)
{
WCHAR bufW[INTERNET_MAX_URL_LENGTH];
WCHAR *urlW = bufW;
UNICODE_STRING pathW;
HRESULT ret;
DWORD lenW = sizeof(bufW)/sizeof(WCHAR), lenA;
if(!RtlCreateUnicodeStringFromAsciiz(&pathW, pszPath))
return E_INVALIDARG;
if((ret = UrlCreateFromPathW(pathW.Buffer, urlW, &lenW, dwReserved)) == E_POINTER) {
urlW = HeapAlloc(GetProcessHeap(), 0, lenW * sizeof(WCHAR));
ret = UrlCreateFromPathW(pathW.Buffer, urlW, &lenW, dwReserved);
}
if(ret == S_OK || ret == S_FALSE) {
RtlUnicodeToMultiByteSize(&lenA, urlW, lenW * sizeof(WCHAR));
if(*pcchUrl > lenA) {
RtlUnicodeToMultiByteN(pszUrl, *pcchUrl - 1, &lenA, urlW, lenW * sizeof(WCHAR));
pszUrl[lenA] = 0;
*pcchUrl = lenA;
} else {
*pcchUrl = lenA + 1;
ret = E_POINTER;
}
}
if(urlW != bufW) HeapFree(GetProcessHeap(), 0, urlW);
RtlFreeUnicodeString(&pathW);
return ret;
}
/*************************************************************************
* UrlCreateFromPathW [SHLWAPI.@]
*
* Create a Url from a file path.
*
* PARAMS
* pszPath [I] Path to convert
* pszUrl [O] Destination for the converted Url
* pcchUrl [I/O] Length of pszUrl
* dwReserved [I] Reserved, must be 0
*
* RETURNS
* Success: S_OK pszUrl contains the converted path, S_FALSE if the path is already a Url
* Failure: An HRESULT error code.
*/
HRESULT WINAPI UrlCreateFromPathW(LPCWSTR pszPath, LPWSTR pszUrl, LPDWORD pcchUrl, DWORD dwReserved)
{
DWORD needed;
HRESULT ret;
WCHAR *pszNewUrl;
WCHAR file_colonW[] = {'f','i','l','e',':',0};
WCHAR three_slashesW[] = {'/','/','/',0};
PARSEDURLW parsed_url;
TRACE("(%s, %p, %p, 0x%08x)\n", debugstr_w(pszPath), pszUrl, pcchUrl, dwReserved);
/* Validate arguments */
if (dwReserved != 0)
return E_INVALIDARG;
if (!pszUrl || !pcchUrl)
return E_INVALIDARG;
parsed_url.cbSize = sizeof(parsed_url);
if(ParseURLW(pszPath, &parsed_url) == S_OK) {
if(parsed_url.nScheme != URL_SCHEME_INVALID && parsed_url.cchProtocol > 1) {
needed = strlenW(pszPath);
if (needed >= *pcchUrl) {
*pcchUrl = needed + 1;
return E_POINTER;
} else {
*pcchUrl = needed;
strcpyW(pszUrl, pszPath);
return S_FALSE;
}
}
}
pszNewUrl = HeapAlloc(GetProcessHeap(), 0, (strlenW(pszPath) + 9) * sizeof(WCHAR)); /* "file:///" + pszPath_len + 1 */
strcpyW(pszNewUrl, file_colonW);
if(isalphaW(pszPath[0]) && pszPath[1] == ':')
strcatW(pszNewUrl, three_slashesW);
strcatW(pszNewUrl, pszPath);
ret = UrlEscapeW(pszNewUrl, pszUrl, pcchUrl, URL_ESCAPE_PERCENT);
HeapFree(GetProcessHeap(), 0, pszNewUrl);
return ret;
}
/*************************************************************************
* SHAutoComplete [SHLWAPI.@]
*
* Enable auto-completion for an edit control.
*
* PARAMS
* hwndEdit [I] Handle of control to enable auto-completion for
* dwFlags [I] SHACF_ flags from "shlwapi.h"
*
* RETURNS
* Success: S_OK. Auto-completion is enabled for the control.
* Failure: An HRESULT error code indicating the error.
*/
HRESULT WINAPI SHAutoComplete(HWND hwndEdit, DWORD dwFlags)
{
FIXME("stub\n");
return S_FALSE;
}
/*************************************************************************
* MLBuildResURLA [SHLWAPI.405]
*
* Create a Url pointing to a resource in a module.
*
* PARAMS
* lpszLibName [I] Name of the module containing the resource
* hMod [I] Callers module handle
* dwFlags [I] Undocumented flags for loading the module
* lpszRes [I] Resource name
* lpszDest [O] Destination for resulting Url
* dwDestLen [I] Length of lpszDest
*
* RETURNS
* Success: S_OK. lpszDest contains the resource Url.
* Failure: E_INVALIDARG, if any argument is invalid, or
* E_FAIL if dwDestLen is too small.
*/
HRESULT WINAPI MLBuildResURLA(LPCSTR lpszLibName, HMODULE hMod, DWORD dwFlags,
LPCSTR lpszRes, LPSTR lpszDest, DWORD dwDestLen)
{
WCHAR szLibName[MAX_PATH], szRes[MAX_PATH], szDest[MAX_PATH];
HRESULT hRet;
if (lpszLibName)
MultiByteToWideChar(CP_ACP, 0, lpszLibName, -1, szLibName, sizeof(szLibName)/sizeof(WCHAR));
if (lpszRes)
MultiByteToWideChar(CP_ACP, 0, lpszRes, -1, szRes, sizeof(szRes)/sizeof(WCHAR));
if (dwDestLen > sizeof(szLibName)/sizeof(WCHAR))
dwDestLen = sizeof(szLibName)/sizeof(WCHAR);
hRet = MLBuildResURLW(lpszLibName ? szLibName : NULL, hMod, dwFlags,
lpszRes ? szRes : NULL, lpszDest ? szDest : NULL, dwDestLen);
if (SUCCEEDED(hRet) && lpszDest)
WideCharToMultiByte(CP_ACP, 0, szDest, -1, lpszDest, dwDestLen, 0, 0);
return hRet;
}
/*************************************************************************
* MLBuildResURLA [SHLWAPI.406]
*
* See MLBuildResURLA.
*/
HRESULT WINAPI MLBuildResURLW(LPCWSTR lpszLibName, HMODULE hMod, DWORD dwFlags,
LPCWSTR lpszRes, LPWSTR lpszDest, DWORD dwDestLen)
{
static const WCHAR szRes[] = { 'r','e','s',':','/','/','\0' };
#define szResLen ((sizeof(szRes) - sizeof(WCHAR))/sizeof(WCHAR))
HRESULT hRet = E_FAIL;
TRACE("(%s,%p,0x%08x,%s,%p,%d)\n", debugstr_w(lpszLibName), hMod, dwFlags,
debugstr_w(lpszRes), lpszDest, dwDestLen);
if (!lpszLibName || !hMod || hMod == INVALID_HANDLE_VALUE || !lpszRes ||
!lpszDest || (dwFlags && dwFlags != 2))
return E_INVALIDARG;
if (dwDestLen >= szResLen + 1)
{
dwDestLen -= (szResLen + 1);
memcpy(lpszDest, szRes, sizeof(szRes));
hMod = MLLoadLibraryW(lpszLibName, hMod, dwFlags);
if (hMod)
{
WCHAR szBuff[MAX_PATH];
DWORD len;
len = GetModuleFileNameW(hMod, szBuff, sizeof(szBuff)/sizeof(WCHAR));
if (len && len < sizeof(szBuff)/sizeof(WCHAR))
{
DWORD dwPathLen = strlenW(szBuff) + 1;
if (dwDestLen >= dwPathLen)
{
DWORD dwResLen;
dwDestLen -= dwPathLen;
memcpy(lpszDest + szResLen, szBuff, dwPathLen * sizeof(WCHAR));
dwResLen = strlenW(lpszRes) + 1;
if (dwDestLen >= dwResLen + 1)
{
lpszDest[szResLen + dwPathLen-1] = '/';
memcpy(lpszDest + szResLen + dwPathLen, lpszRes, dwResLen * sizeof(WCHAR));
hRet = S_OK;
}
}
}
MLFreeLibrary(hMod);
}
}
return hRet;
}
/***********************************************************************
* UrlFixupW [SHLWAPI.462]
*
* Checks the scheme part of a URL and attempts to correct misspellings.
*
* PARAMS
* lpszUrl [I] Pointer to the URL to be corrected
* lpszTranslatedUrl [O] Pointer to a buffer to store corrected URL
* dwMaxChars [I] Maximum size of corrected URL
*
* RETURNS
* success: S_OK if URL corrected or already correct
* failure: S_FALSE if unable to correct / COM error code if other error
*
*/
HRESULT WINAPI UrlFixupW(LPCWSTR url, LPWSTR translatedUrl, DWORD maxChars)
{
DWORD srcLen;
FIXME("(%s,%p,%d) STUB\n", debugstr_w(url), translatedUrl, maxChars);
if (!url)
return E_FAIL;
srcLen = lstrlenW(url) + 1;
/* For now just copy the URL directly */
lstrcpynW(translatedUrl, url, (maxChars < srcLen) ? maxChars : srcLen);
return S_OK;
}
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