/* * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "wine/port.h" #include #include #include #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 "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 */ typedef struct { URL_SCHEME scheme_number; LPCSTR scheme_name; } SHL_2_inet_scheme; static const SHL_2_inet_scheme shlwapi_schemes[] = { {URL_SCHEME_FTP, "ftp"}, {URL_SCHEME_HTTP, "http"}, {URL_SCHEME_GOPHER, "gopher"}, {URL_SCHEME_MAILTO, "mailto"}, {URL_SCHEME_NEWS, "news"}, {URL_SCHEME_NNTP, "nntp"}, {URL_SCHEME_TELNET, "telnet"}, {URL_SCHEME_WAIS, "wais"}, {URL_SCHEME_FILE, "file"}, {URL_SCHEME_MK, "mk"}, {URL_SCHEME_HTTPS, "https"}, {URL_SCHEME_SHELL, "shell"}, {URL_SCHEME_SNEWS, "snews"}, {URL_SCHEME_LOCAL, "local"}, {URL_SCHEME_JAVASCRIPT, "javascript"}, {URL_SCHEME_VBSCRIPT, "vbscript"}, {URL_SCHEME_ABOUT, "about"}, {URL_SCHEME_RES, "res"}, {0, 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 BOOL URL_JustLocation(LPCWSTR str) { while(*str && (*str == L'/')) str++; if (*str) { while (*str && ((*str == L'-') || (*str == L'.') || isalnumW(*str))) str++; if (*str == L'/') return FALSE; } return TRUE; } /************************************************************************* * @ [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) { DWORD cnt; const SHL_2_inet_scheme *inet_pro; y->nScheme = URL_SCHEME_INVALID; if (y->cbSize != sizeof(*y)) return E_INVALIDARG; /* FIXME: leading white space generates error of 0x80041001 which * is undefined */ if (*x <= ' ') return 0x80041001; cnt = 0; y->cchProtocol = 0; y->pszProtocol = x; while (*x) { if (*x == ':') { y->cchProtocol = cnt; cnt = -1; y->pszSuffix = x+1; break; } x++; cnt++; } /* check for no scheme in string start */ /* (apparently schemes *must* be larger than a single character) */ if ((*x == '\0') || (y->cchProtocol <= 1)) { y->pszProtocol = NULL; return 0x80041001; } /* found scheme, set length of remainder */ y->cchSuffix = lstrlenA(y->pszSuffix); /* see if known scheme and return indicator number */ y->nScheme = URL_SCHEME_UNKNOWN; inet_pro = shlwapi_schemes; while (inet_pro->scheme_name) { if (!strncasecmp(inet_pro->scheme_name, y->pszProtocol, min(y->cchProtocol, lstrlenA(inet_pro->scheme_name)))) { y->nScheme = inet_pro->scheme_number; break; } inet_pro++; } return S_OK; } /************************************************************************* * @ [SHLWAPI.2] * * Unicode version of ParseURLA. */ HRESULT WINAPI ParseURLW(LPCWSTR x, PARSEDURLW *y) { DWORD cnt; const SHL_2_inet_scheme *inet_pro; LPSTR cmpstr; INT len; y->nScheme = URL_SCHEME_INVALID; if (y->cbSize != sizeof(*y)) return E_INVALIDARG; /* FIXME: leading white space generates error of 0x80041001 which * is undefined */ if (*x <= L' ') return 0x80041001; cnt = 0; y->cchProtocol = 0; y->pszProtocol = x; while (*x) { if (*x == L':') { y->cchProtocol = cnt; cnt = -1; y->pszSuffix = x+1; break; } x++; cnt++; } /* check for no scheme in string start */ /* (apparently schemes *must* be larger than a single character) */ if ((*x == L'\0') || (y->cchProtocol <= 1)) { y->pszProtocol = NULL; return 0x80041001; } /* found scheme, set length of remainder */ y->cchSuffix = lstrlenW(y->pszSuffix); /* see if known scheme and return indicator number */ len = WideCharToMultiByte(0, 0, y->pszProtocol, y->cchProtocol, 0, 0, 0, 0); cmpstr = (LPSTR)HeapAlloc(GetProcessHeap(), 0, len); WideCharToMultiByte(0, 0, y->pszProtocol, y->cchProtocol, cmpstr, len, 0, 0); y->nScheme = URL_SCHEME_UNKNOWN; inet_pro = shlwapi_schemes; while (inet_pro->scheme_name) { if (!strncasecmp(inet_pro->scheme_name, cmpstr, min(len, lstrlenA(inet_pro->scheme_name)))) { y->nScheme = inet_pro->scheme_number; break; } inet_pro++; } HeapFree(GetProcessHeap(), 0, cmpstr); 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 base, canonical; DWORD ret, len, len2; TRACE("(%s %p %p 0x%08lx) using W version\n", debugstr_a(pszUrl), pszCanonicalized, pcchCanonicalized, dwFlags); if(!pszUrl || !pszCanonicalized || !pcchCanonicalized) return E_INVALIDARG; base = HeapAlloc(GetProcessHeap(), 0, (2*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR)); canonical = base + INTERNET_MAX_URL_LENGTH; MultiByteToWideChar(0, 0, pszUrl, -1, base, INTERNET_MAX_URL_LENGTH); len = INTERNET_MAX_URL_LENGTH; ret = UrlCanonicalizeW(base, canonical, &len, dwFlags); if (ret != S_OK) { HeapFree(GetProcessHeap(), 0, base); return ret; } len2 = WideCharToMultiByte(0, 0, canonical, len, 0, 0, 0, 0); if (len2 > *pcchCanonicalized) { *pcchCanonicalized = len; HeapFree(GetProcessHeap(), 0, base); return E_POINTER; } WideCharToMultiByte(0, 0, canonical, len+1, pszCanonicalized, *pcchCanonicalized, 0, 0); *pcchCanonicalized = len2; HeapFree(GetProcessHeap(), 0, base); return S_OK; } /************************************************************************* * UrlCanonicalizeW [SHLWAPI.@] * * See UrlCanonicalizeA. */ HRESULT WINAPI UrlCanonicalizeW(LPCWSTR pszUrl, LPWSTR pszCanonicalized, LPDWORD pcchCanonicalized, DWORD dwFlags) { HRESULT hr = S_OK; DWORD EscapeFlags; LPWSTR lpszUrlCpy, wk1, wk2, mp, root; INT nByteLen, state; DWORD nLen; TRACE("(%s %p %p 0x%08lx)\n", debugstr_w(pszUrl), pszCanonicalized, pcchCanonicalized, dwFlags); if(!pszUrl || !pszCanonicalized || !pcchCanonicalized) return E_INVALIDARG; nByteLen = (lstrlenW(pszUrl) + 1) * sizeof(WCHAR); /* length in bytes */ lpszUrlCpy = HeapAlloc(GetProcessHeap(), 0, nByteLen); if (dwFlags & URL_DONT_SIMPLIFY) memcpy(lpszUrlCpy, pszUrl, nByteLen); else { /* * 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 = (LPWSTR)pszUrl; wk2 = lpszUrlCpy; state = 0; 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++ == L':') state = 2; break; case 2: if (*wk1 != L'/') {state = 3; break;} *wk2++ = *wk1++; if (*wk1 != L'/') {state = 6; break;} *wk2++ = *wk1++; state = 4; break; case 3: strcpyW(wk2, wk1); wk1 += strlenW(wk1); wk2 += strlenW(wk2); break; case 4: if (!isalnumW(*wk1) && (*wk1 != L'-') && (*wk1 != L'.')) {state = 3; break;} while(isalnumW(*wk1) || (*wk1 == L'-') || (*wk1 == L'.')) *wk2++ = *wk1++; state = 5; break; case 5: if (*wk1 != L'/') {state = 3; break;} *wk2++ = *wk1++; state = 6; break; case 6: /* Now at root location, cannot back up any more. */ /* "root" will point at the '/' */ root = wk2-1; while (*wk1) { TRACE("wk1=%c\n", (CHAR)*wk1); mp = strchrW(wk1, L'/'); if (!mp) { strcpyW(wk2, wk1); wk1 += strlenW(wk1); wk2 += strlenW(wk2); continue; } nLen = mp - wk1 + 1; strncpyW(wk2, wk1, nLen); wk2 += nLen; wk1 += nLen; if (*wk1 == L'.') { TRACE("found '/.'\n"); if (*(wk1+1) == L'/') { /* case of /./ -> skip the ./ */ wk1 += 2; } else if (*(wk1+1) == L'.') { /* found /.. look for next / */ TRACE("found '/..'\n"); if (*(wk1+2) == L'/' || *(wk1+2) == L'?' || *(wk1+2) == L'#' || *(wk1+2) == 0) { /* case /../ -> need to backup wk2 */ TRACE("found '/../'\n"); *(wk2-1) = L'\0'; /* set end of string */ mp = strrchrW(root, L'/'); if (mp && (mp >= root)) { /* found valid backup point */ wk2 = mp + 1; if(*(wk1+2) != L'/') wk1 += 2; else wk1 += 3; } else { /* did not find point, restore '/' */ *(wk2-1) = L'/'; } } } } } *wk2 = L'\0'; break; default: FIXME("how did we get here - state=%d\n", state); HeapFree(GetProcessHeap(), 0, lpszUrlCpy); return E_INVALIDARG; } } *wk2 = L'\0'; TRACE("Simplified, orig <%s>, simple <%s>\n", debugstr_w(pszUrl), debugstr_w(lpszUrlCpy)); } nLen = lstrlenW(lpszUrlCpy); while ((nLen > 0) && ((lpszUrlCpy[nLen-1] == '\r')||(lpszUrlCpy[nLen-1] == '\n'))) lpszUrlCpy[--nLen]=0; if(dwFlags & URL_UNESCAPE) UrlUnescapeW(lpszUrlCpy, NULL, NULL, 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); 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 %ld, flags %08lx) using W version\n", debugstr_a(pszBase),debugstr_a(pszRelative), pcchCombined?*pcchCombined:0,dwFlags); if(!pszBase || !pszRelative || !pcchCombined) return E_INVALIDARG; base = (LPWSTR) 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'}; static const WCHAR single_slash[] = {'/','\0'}; HRESULT ret; TRACE("(base %s, Relative %s, Combine size %ld, flags %08lx)\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 = L'\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 { /* get size of location field (if it exists) */ work = (LPWSTR)base.pszSuffix; sizeloc = 0; if (*work++ == L'/') { if (*work++ == L'/') { /* At this point have start of location and * it ends at next '/' or end of string. */ while(*work && (*work != L'/')) work++; sizeloc = (DWORD)(work - base.pszSuffix); } } /* Change .sizep2 to not have the last leaf in it, * Note: we need to start after the location (if it exists) */ work = strrchrW((base.pszSuffix+sizeloc), L'/'); if (work) { len = (DWORD)(work - base.pszSuffix + 1); base.cchSuffix = len; } /* * 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 == L':') { /* 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) == L':')) { /* case that becomes "file:///" */ strcpyW(preliminary, myfilestr); process_case = 1; break; } if ((*mrelative == L'/') && (*(mrelative+1) == L'/')) { /* pszRelative has location and rest */ process_case = 3; break; } if (*mrelative == L'/') { /* case where pszRelative is root to location */ process_case = 4; break; } process_case = (*base.pszSuffix == L'/') ? 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 == L'/') && (*(relative.pszSuffix+1) == L'/')) { /* case where pszRelative replaces location and following */ process_case = 3; break; } if (*relative.pszSuffix == L'/') { /* case where pszRelative is root to location */ process_case = 4; break; } /* case where scheme is followed by document path */ process_case = 5; break; } if ((*relative.pszSuffix == L'/') && (*(relative.pszSuffix+1) == L'/')) { /* case where pszRelative replaces scheme, location, * and following and handles PLUGGABLE */ process_case = 2; break; } process_case = 1; break; } while(FALSE); /* a litte 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: /* * Same as case 1, but if URL_PLUGGABLE_PROTOCOL was specified * and pszRelative starts with "//", then append a "/" */ strcpyW(preliminary, mrelative); if (!(dwFlags & URL_PLUGGABLE_PROTOCOL) && URL_JustLocation(relative.pszSuffix)) strcatW(preliminary, single_slash); break; case 3: /* * Return the pszBase scheme with pszRelative. Basically * keeps the scheme and replaces the domain and following. */ strncpyW(preliminary, base.pszProtocol, base.cchProtocol + 1); work = preliminary + base.cchProtocol + 1; strcpyW(work, relative.pszSuffix); if (!(dwFlags & URL_PLUGGABLE_PROTOCOL) && URL_JustLocation(relative.pszSuffix)) strcatW(work, single_slash); break; case 4: /* * Return the pszBase scheme and location but everything * after the location is pszRelative. (Replace document * from root on.) */ strncpyW(preliminary, base.pszProtocol, base.cchProtocol+1+sizeloc); work = preliminary + base.cchProtocol + 1 + sizeloc; if (dwFlags & URL_PLUGGABLE_PROTOCOL) *(work++) = L'/'; strcpyW(work, relative.pszSuffix); break; case 5: /* * Return the pszBase without its document (if any) and * append pszRelative after its scheme. */ strncpyW(preliminary, base.pszProtocol, base.cchProtocol+1+base.cchSuffix); work = preliminary + base.cchProtocol+1+base.cchSuffix - 1; if (*work++ != L'/') *(work++) = L'/'; strcpyW(work, relative.pszSuffix); break; default: FIXME("How did we get here????? process_case=%ld\n", process_case); ret = E_INVALIDARG; } if (ret == S_OK) { /* Reuse mrelative as temp storage as its already allocated and not needed anymore */ ret = UrlCanonicalizeW(preliminary, mrelative, pcchCombined, dwFlags); if(SUCCEEDED(ret) && pszCombined) { lstrcpyW(pszCombined, mrelative); } TRACE("return-%ld len=%ld, %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(!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("(%s %p %p 0x%08lx)\n", debugstr_w(pszUrl), pszEscaped, pcchEscaped, dwFlags); if(!pszUrl || !pszEscaped || !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: %08lx\n", dwFlags); /* 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] = L'%'; 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'; ret = S_OK; } else { needed++; /* add one for the '\0' */ ret = E_POINTER; } *pcchEscaped = needed; 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%08lx)\n", debugstr_a(pszUrl), pszUnescaped, pcchUnescaped, dwFlags); if(!pszUrl || !pszUnescaped || !pcchUnescaped) return E_INVALIDARG; if(dwFlags & URL_UNESCAPE_INPLACE) dst = pszUrl; else 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%08lx)\n", debugstr_w(pszUrl), pszUnescaped, pcchUnescaped, dwFlags); if(!pszUrl || !pszUnescaped || !pcchUnescaped) return E_INVALIDARG; if(dwFlags & URL_UNESCAPE_INPLACE) dst = pszUrl; else dst = pszUnescaped; for(src = pszUrl, needed = 0; *src; src++, needed++) { if(dwFlags & URL_DONT_UNESCAPE_EXTRA_INFO && (*src == L'#' || *src == L'?')) { stop_unescaping = TRUE; next = *src; } else if(*src == L'%' && 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 = L'\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, L'#'); } /************************************************************************* * 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 (IsBadReadPtr(lpSrc, nSrcLen) || IsBadWritePtr(lpDest, nDestLen)) 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,%ld)\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; DWORD ret, len, len2; TRACE("(in %s, out size %ld, flags %08lx) using W version\n", debugstr_a(pszIn), *pcchOut, dwFlags); 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 = UrlApplySchemeW(in, out, &len, dwFlags); if ((ret != S_OK) && (ret != S_FALSE)) { HeapFree(GetProcessHeap(), 0, in); return ret; } len2 = WideCharToMultiByte(0, 0, out, len+1, 0, 0, 0, 0); if (len2 > *pcchOut) { *pcchOut = len2; HeapFree(GetProcessHeap(), 0, in); return E_POINTER; } WideCharToMultiByte(0, 0, out, len+1, pszOut, *pcchOut, 0, 0); *pcchOut = len2; 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 *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 -1; } static HRESULT URL_ApplyDefault(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut) { HKEY newkey; DWORD data_len, dwType; WCHAR reg_path[MAX_PATH]; WCHAR value[MAX_PATH], data[MAX_PATH]; /* get and prepend default */ MultiByteToWideChar(0, 0, "Software\\Microsoft\\Windows\\CurrentVersion\\URL\\DefaultPrefix", -1, reg_path, MAX_PATH); RegOpenKeyExW(HKEY_LOCAL_MACHINE, reg_path, 0, 1, &newkey); data_len = MAX_PATH; value[0] = L'@'; value[1] = L'\0'; RegQueryValueExW(newkey, value, 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("(in %s, out size %ld, flags %08lx)\n", debugstr_w(pszIn), *pcchOut, dwFlags); if (dwFlags & URL_APPLY_GUESSFILE) { FIXME("(%s %p %p(%ld) 0x%08lx): 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)) != -1) 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, returing 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); } /* just copy and give proper return code */ if (strlenW(pszIn) + 1 > *pcchOut) { *pcchOut = strlenW(pszIn) + 1; return E_POINTER; } strcpyW(pszOut, pszIn); *pcchOut = strlenW(pszOut); TRACE("returning copy, left alone\n"); 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; switch (Urlis) { case URLIS_OPAQUE: base.cbSize = sizeof(base); res1 = ParseURLA(pszUrl, &base); if (res1) return FALSE; /* invalid scheme */ if ((*base.pszSuffix == '/') && (*(base.pszSuffix+1) == '/')) /* has scheme followed by 2 '/' */ return FALSE; return TRUE; case URLIS_FILEURL: return !StrCmpNA("file://", pszUrl, 7); case URLIS_DIRECTORY: last = pszUrl + strlen(pszUrl) - 1; return (last >= pszUrl && (*last == '/' || *last == '\\' )); case URLIS_URL: 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; switch (Urlis) { case URLIS_OPAQUE: base.cbSize = sizeof(base); res1 = ParseURLW(pszUrl, &base); if (res1) return FALSE; /* invalid scheme */ if ((*base.pszSuffix == '/') && (*(base.pszSuffix+1) == '/')) /* has scheme followed by 2 '/' */ return FALSE; return TRUE; case URLIS_FILEURL: return !strncmpW(stemp, pszUrl, 7); case URLIS_DIRECTORY: last = pszUrl + strlenW(pszUrl) - 1; return (last >= pszUrl && (*last == '/' || *last == '\\')); case URLIS_URL: 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 "://". */ 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 == L'+') || (*start == L'-') || (*start == L'.')) { start++; (*size)++; } else cont = FALSE; } break; case USERPASS: while (cont) { if ( isalphaW(*start) || isdigitW(*start) || /* user/password only characters */ (*start == L';') || (*start == L'?') || (*start == L'&') || (*start == L'=') || /* *extra* characters */ (*start == L'!') || (*start == L'*') || (*start == L'\'') || (*start == L'(') || (*start == L')') || (*start == L',') || /* *safe* characters */ (*start == L'$') || (*start == L'_') || (*start == L'+') || (*start == L'-') || (*start == L'.')) { start++; (*size)++; } else if (*start == L'%') { 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 == L'-') || (*start == L'.') ) { start++; (*size)++; } else cont = FALSE; } break; default: FIXME("unknown type %d\n", type); return (LPWSTR)&alwayszero; } /* TRACE("scanned %ld 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 != L':')) goto ErrorExit; work++; if ((*work != L'/') || (*(work+1) != L'/')) goto ErrorExit; pl->pUserName = work + 2; work = URL_ScanID(pl->pUserName, &pl->szUserName, USERPASS); if (*work == L':' ) { /* parse password */ work++; pl->pPassword = work; work = URL_ScanID(pl->pPassword, &pl->szPassword, USERPASS); if (*work != L'@') { /* 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 == L'@') { /* no password */ pl->szPassword = 0; pl->pPassword = 0; } else if (!*work || (*work == L'/') || (*work == L'.')) { /* 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 == L':') { /* parse port */ work++; pl->pPort = work; work = URL_ScanID(pl->pPort, &pl->szPort, PORT); } if (*work == L'/') { /* see if query string */ pl->pQuery = strchrW(work, L'?'); if (pl->pQuery) pl->szQuery = strlenW(pl->pQuery); } TRACE("parse successful: scheme=%p(%ld), user=%p(%ld), pass=%p(%ld), host=%p(%ld), port=%p(%ld), query=%p(%ld)\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/O] Length of pszOut/destination for length of pszOut * 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; 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 (ret != S_OK) { HeapFree(GetProcessHeap(), 0, in); return ret; } len2 = WideCharToMultiByte(0, 0, out, len, 0, 0, 0, 0); if (len2 > *pcchOut) { *pcchOut = len2; HeapFree(GetProcessHeap(), 0, in); return E_POINTER; } WideCharToMultiByte(0, 0, out, len+1, pszOut, *pcchOut, 0, 0); *pcchOut = len2; HeapFree(GetProcessHeap(), 0, in); return S_OK; } /************************************************************************* * UrlGetPartW [SHLWAPI.@] * * See UrlGetPartA. */ HRESULT WINAPI UrlGetPartW(LPCWSTR pszIn, LPWSTR pszOut, LPDWORD pcchOut, DWORD dwPart, DWORD dwFlags) { WINE_PARSE_URL pl; HRESULT ret; DWORD size, schsize; LPCWSTR addr, schaddr; LPWSTR work; TRACE("(%s %p %p(%ld) %08lx %08lx)\n", debugstr_w(pszIn), pszOut, pcchOut, *pcchOut, dwPart, dwFlags); ret = URL_ParseUrl(pszIn, &pl); if (!ret) { schaddr = pl.pScheme; schsize = pl.szScheme; switch (dwPart) { case URL_PART_SCHEME: if (!pl.szScheme) return E_INVALIDARG; addr = pl.pScheme; size = pl.szScheme; break; case URL_PART_HOSTNAME: if (!pl.szHostName) return E_INVALIDARG; addr = pl.pHostName; size = pl.szHostName; break; case URL_PART_USERNAME: if (!pl.szUserName) return E_INVALIDARG; addr = pl.pUserName; size = pl.szUserName; break; case URL_PART_PASSWORD: if (!pl.szPassword) return E_INVALIDARG; addr = pl.pPassword; size = pl.szPassword; break; case URL_PART_PORT: if (!pl.szPort) return E_INVALIDARG; addr = pl.pPort; size = pl.szPort; break; case URL_PART_QUERY: if (!pl.szQuery) return E_INVALIDARG; addr = pl.pQuery; size = pl.szQuery; break; default: return E_INVALIDARG; } if (dwFlags == URL_PARTFLAG_KEEPSCHEME) { if (*pcchOut < size + schsize + 2) { *pcchOut = size + schsize + 2; return E_POINTER; } strncpyW(pszOut, schaddr, schsize); work = pszOut + schsize; *work = L':'; strncpyW(work+1, addr, size); *pcchOut = size + schsize + 1; work += (size + 1); *work = L'\0'; } else { if (*pcchOut < size + 1) {*pcchOut = size+1; return E_POINTER;} strncpyW(pszOut, addr, size); *pcchOut = size; work = pszOut + size; *work = L'\0'; } TRACE("len=%ld %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; DWORD res1; if (!lpstrPath || !*lpstrPath) return FALSE; /* get protocol */ base.cbSize = sizeof(base); res1 = ParseURLA(lpstrPath, &base); return (base.nScheme != URL_SCHEME_INVALID); } /************************************************************************* * PathIsURLW [SHLWAPI.@] * * See PathIsURLA. */ BOOL WINAPI PathIsURLW(LPCWSTR lpstrPath) { PARSEDURLW base; DWORD res1; if (!lpstrPath || !*lpstrPath) return FALSE; /* get protocol */ base.cbSize = sizeof(base); res1 = ParseURLW(lpstrPath, &base); return (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%08lx)\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("SHAutoComplete 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 constains 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%08lx,%s,%p,%ld)\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 + dwResLen] = '/'; memcpy(lpszDest + szResLen + dwPathLen, lpszRes, dwResLen * sizeof(WCHAR)); hRet = S_OK; } } } MLFreeLibrary(hMod); } } return hRet; }