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winhttp: Reimplement WinHttpCrackUrl.
This commit is contained in:
Hans Leidekker
Alexandre Julliard
parent
5ce2dfcabb
commit
2c850276a0
@ -4,7 +4,7 @@ SRCDIR = @srcdir@
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VPATH = @srcdir@
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MODULE = winhttp.dll
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IMPORTLIB = winhttp
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IMPORTS = wininet kernel32
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IMPORTS = shlwapi kernel32
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DELAYIMPORTS = crypt32
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C_SRCS = \
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@ -23,55 +23,166 @@
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#include "windef.h"
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#include "winbase.h"
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#include "winreg.h"
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#include "winhttp.h"
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#include "shlwapi.h"
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#include "winhttp_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(winhttp);
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#define SCHEME_HTTP 3
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#define SCHEME_HTTPS 4
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static const WCHAR scheme_http[] = {'h','t','t','p',0};
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static const WCHAR scheme_https[] = {'h','t','t','p','s',0};
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BOOL WINAPI InternetCrackUrlW( LPCWSTR, DWORD, DWORD, LPURL_COMPONENTSW );
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static BOOL set_component( WCHAR **str, DWORD *str_len, WCHAR *value, DWORD len )
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{
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if (!*str)
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{
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*str = value;
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*str_len = len;
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}
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else
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{
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if (len > (*str_len) - 1)
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{
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*str_len = len + 1;
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set_last_error( ERROR_INSUFFICIENT_BUFFER );
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return FALSE;
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}
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memcpy( *str, value, len * sizeof(WCHAR) );
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(*str)[len] = 0;
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*str_len = len;
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}
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return TRUE;
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}
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static BOOL decode_url( LPCWSTR url, LPWSTR buffer, LPDWORD buflen )
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{
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HRESULT hr = UrlCanonicalizeW( url, buffer, buflen, URL_WININET_COMPATIBILITY | URL_UNESCAPE );
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if (hr == E_POINTER) set_last_error( ERROR_INSUFFICIENT_BUFFER );
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if (hr == E_INVALIDARG) set_last_error( ERROR_INVALID_PARAMETER );
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return (SUCCEEDED(hr)) ? TRUE : FALSE;
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}
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/***********************************************************************
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* WinHttpCrackUrl (winhttp.@)
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*/
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BOOL WINAPI WinHttpCrackUrl( LPCWSTR url, DWORD len, DWORD flags, LPURL_COMPONENTSW components )
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BOOL WINAPI WinHttpCrackUrl( LPCWSTR url, DWORD len, DWORD flags, LPURL_COMPONENTSW uc )
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{
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BOOL ret;
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INT upLen;
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INT exLen;
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BOOL ret = FALSE;
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WCHAR *p, *q, *r;
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WCHAR *url_decoded = NULL;
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TRACE("%s, %d, %x, %p\n", debugstr_w(url), len, flags, components);
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upLen = components->dwUrlPathLength;
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exLen = components->dwExtraInfoLength;
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TRACE("%s, %d, %x, %p\n", debugstr_w(url), len, flags, uc);
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if ((ret = InternetCrackUrlW( url, len, flags, components )))
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if (flags & ICU_ESCAPE) FIXME("flag ICU_ESCAPE not supported\n");
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if (!url || !url[0] || !uc || uc->dwStructSize != sizeof(URL_COMPONENTS))
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{
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/* fix up an incompatibility between wininet and winhttp */
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if (components->nScheme == SCHEME_HTTP) components->nScheme = INTERNET_SCHEME_HTTP;
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else if (components->nScheme == SCHEME_HTTPS) components->nScheme = INTERNET_SCHEME_HTTPS;
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else
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set_last_error( ERROR_INVALID_PARAMETER );
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return FALSE;
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}
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if (!len) len = strlenW( url );
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if (flags & ICU_DECODE)
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{
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WCHAR *url_tmp;
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DWORD url_len = len + 1;
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if (!uc->lpszScheme || !uc->lpszUserName || !uc->lpszPassword ||
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!uc->lpszHostName || !uc->lpszUrlPath || !uc-> lpszExtraInfo)
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{
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set_last_error( ERROR_WINHTTP_UNRECOGNIZED_SCHEME );
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set_last_error( ERROR_INVALID_PARAMETER );
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return FALSE;
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}
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if (!len)
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len = lstrlenW(url);
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/* WinHttpCrackUrl actually returns pointers to the end of the string for components,
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other than UserName and Password, that are missing */
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if (upLen && components->lpszUrlPath == NULL)
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components->lpszUrlPath = (LPWSTR)&url[len];
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if (exLen && components->lpszExtraInfo == NULL)
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components->lpszExtraInfo = (LPWSTR)&url[len];
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if (!(url_tmp = HeapAlloc( GetProcessHeap(), 0, url_len * sizeof(WCHAR) )))
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{
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set_last_error( ERROR_OUTOFMEMORY );
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return FALSE;
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}
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memcpy( url_tmp, url, len * sizeof(WCHAR) );
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url_tmp[len] = 0;
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if (!(url_decoded = HeapAlloc( GetProcessHeap(), 0, url_len * sizeof(WCHAR) )))
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{
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HeapFree( GetProcessHeap(), 0, url_tmp );
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set_last_error( ERROR_OUTOFMEMORY );
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return FALSE;
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}
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if (decode_url( url_tmp, url_decoded, &url_len ))
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{
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len = url_len;
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url = url_decoded;
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}
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HeapFree( GetProcessHeap(), 0, url_tmp );
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}
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if (!(p = strchrW( url, ':' ))) return FALSE;
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if (p - url == 4 && !strncmpiW( url, scheme_http, 4 )) uc->nScheme = INTERNET_SCHEME_HTTP;
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else if (p - url == 5 && !strncmpiW( url, scheme_https, 5 )) uc->nScheme = INTERNET_SCHEME_HTTPS;
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else goto exit;
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if (!(set_component( &uc->lpszScheme, &uc->dwSchemeLength, (WCHAR *)url, p - url ))) goto exit;
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p++; /* skip ':' */
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if (!p[0] || p[0] != '/' || p[1] != '/') goto exit;
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p += 2;
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if (!p[0]) goto exit;
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if ((q = memchrW( p, '@', len - (p - url) )))
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{
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if ((r = memchrW( p, ':', q - p )))
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{
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if (!(set_component( &uc->lpszUserName, &uc->dwUserNameLength, p, r - p ))) goto exit;
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r++;
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if (!(set_component( &uc->lpszPassword, &uc->dwPasswordLength, r, q - r ))) goto exit;
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}
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else
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{
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if (!(set_component( &uc->lpszUserName, &uc->dwUserNameLength, p, q - p ))) goto exit;
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if (!(set_component( &uc->lpszPassword, &uc->dwPasswordLength, NULL, 0 ))) goto exit;
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}
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p = q + 1;
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}
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else
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{
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if (!(set_component( &uc->lpszUserName, &uc->dwUserNameLength, NULL, 0 ))) goto exit;
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if (!(set_component( &uc->lpszPassword, &uc->dwPasswordLength, NULL, 0 ))) goto exit;
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}
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if ((q = memchrW( p, '/', len - (p - url) )))
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{
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if (!(set_component( &uc->lpszHostName, &uc->dwHostNameLength, p, q - p ))) goto exit;
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if ((r = memchrW( q, '?', len - (q - url) )))
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{
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if (!(set_component( &uc->lpszUrlPath, &uc->dwUrlPathLength, q, r - q ))) goto exit;
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if (!(set_component( &uc->lpszExtraInfo, &uc->dwExtraInfoLength, r, len - (r - url) ))) goto exit;
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}
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else
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{
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if (!(set_component( &uc->lpszUrlPath, &uc->dwUrlPathLength, q, len - (q - url) ))) goto exit;
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if (!(set_component( &uc->lpszExtraInfo, &uc->dwExtraInfoLength, (WCHAR *)url + len, 0 ))) goto exit;
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}
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}
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else
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{
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if (!(set_component( &uc->lpszHostName, &uc->dwHostNameLength, p, len - (p - url) ))) goto exit;
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if (!(set_component( &uc->lpszUrlPath, &uc->dwUrlPathLength, (WCHAR *)url + len, 0 ))) goto exit;
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if (!(set_component( &uc->lpszExtraInfo, &uc->dwExtraInfoLength, (WCHAR *)url + len, 0 ))) goto exit;
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}
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ret = TRUE;
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TRACE("scheme(%s) host(%s) path(%s) extra(%s)\n",
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debugstr_wn( uc->lpszScheme, uc->dwSchemeLength ),
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debugstr_wn( uc->lpszHostName, uc->dwHostNameLength ),
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debugstr_wn( uc->lpszUrlPath, uc->dwUrlPathLength ),
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debugstr_wn( uc->lpszExtraInfo, uc->dwExtraInfoLength ));
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exit:
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HeapFree( GetProcessHeap(), 0, url_decoded );
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return ret;
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}
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static const WCHAR scheme_http[] = {'h','t','t','p',0};
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static const WCHAR scheme_https[] = {'h','t','t','p','s',0};
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static INTERNET_SCHEME get_scheme( const WCHAR *scheme, DWORD len )
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{
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if (!strncmpW( scheme, scheme_http, len )) return INTERNET_SCHEME_HTTP;
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