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reactos/dll/win32/shell32/shlexec.cpp
Katayama Hirofumi MZ d32858413d
[SHELL32] Command 'start C:' should open 'C:\' (#2642) 
Based on JIRA user amaneureka's idea.
In SHELL_execute function, add a backslash for Drive "C:", "D:" or "E:" etc.
CORE-16384
2020-04-25 11:01:20 +09:00

2566 lines
83 KiB
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/*
* Shell Library Functions
*
* Copyright 1998 Marcus Meissner
* Copyright 2002 Eric Pouech
* Copyright 2018-2019 Katayama Hirofumi MZ
*
* 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 "precomp.h"
#include <undocshell.h>
WINE_DEFAULT_DEBUG_CHANNEL(exec);
static const WCHAR wszOpen[] = L"open";
static const WCHAR wszExe[] = L".exe";
static const WCHAR wszCom[] = L".com";
#define SEE_MASK_CLASSALL (SEE_MASK_CLASSNAME | SEE_MASK_CLASSKEY)
typedef UINT_PTR (*SHELL_ExecuteW32)(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
const SHELLEXECUTEINFOW *sei, LPSHELLEXECUTEINFOW sei_out);
static void ParseNoTildeEffect(PWSTR &res, LPCWSTR &args, DWORD &len, DWORD &used, int argNum)
{
bool firstCharQuote = false;
bool quotes_opened = false;
bool backslash_encountered = false;
for (int curArg = 0; curArg <= argNum && *args; ++curArg)
{
firstCharQuote = false;
if (*args == '"')
{
quotes_opened = true;
firstCharQuote = true;
args++;
}
while(*args)
{
if (*args == '\\')
{
// if we found a backslash then flip the variable
backslash_encountered = !backslash_encountered;
}
else if (*args == '"')
{
if (quotes_opened)
{
if (*(args + 1) != '"')
{
quotes_opened = false;
args++;
break;
}
else
{
args++;
}
}
else
{
quotes_opened = true;
}
backslash_encountered = false;
}
else
{
backslash_encountered = false;
if (*args == ' ' && !firstCharQuote)
break;
}
if (curArg == argNum)
{
used++;
if (used < len)
*res++ = *args;
}
args++;
}
while(*args == ' ')
++args;
}
}
static void ParseTildeEffect(PWSTR &res, LPCWSTR &args, DWORD &len, DWORD &used, int argNum)
{
bool quotes_opened = false;
bool backslash_encountered = false;
for (int curArg = 0; curArg <= argNum && *args; ++curArg)
{
while(*args)
{
if (*args == '\\')
{
// if we found a backslash then flip the variable
backslash_encountered = !backslash_encountered;
}
else if (*args == '"')
{
if (quotes_opened)
{
if (*(args + 1) != '"')
{
quotes_opened = false;
}
else
{
args++;
}
}
else
{
quotes_opened = true;
}
backslash_encountered = false;
}
else
{
backslash_encountered = false;
if (*args == ' ' && !quotes_opened && curArg != argNum)
break;
}
if (curArg == argNum)
{
used++;
if (used < len)
*res++ = *args;
}
args++;
}
}
}
/***********************************************************************
* SHELL_ArgifyW [Internal]
*
* this function is supposed to expand the escape sequences found in the registry
* some diving reported that the following were used:
* + %1, %2... seem to report to parameter of index N in ShellExecute pmts
* %1 file
* %2 printer
* %3 driver
* %4 port
* %I address of a global item ID (explorer switch /idlist)
* %L seems to be %1 as long filename followed by the 8+3 variation
* %S ???
* %W Working directory
* %V Use either %L or %W
* %* all following parameters (see batfile)
*
* The way we parse the command line arguments was determined through extensive
* testing and can be summed up by the following rules"
*
* - %2
* - if first letter is " break on first non literal " and include any white spaces
* - if first letter is NOT " break on first " or white space
* - if " is opened any pair of consecutive " results in ONE literal "
*
* - %~2
* - use rules from here http://www.autohotkey.net/~deleyd/parameters/parameters.htm
*/
static BOOL SHELL_ArgifyW(WCHAR* out, DWORD len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args, DWORD* out_len, const WCHAR* lpDir)
{
WCHAR xlpFile[1024];
BOOL done = FALSE;
BOOL found_p1 = FALSE;
PWSTR res = out;
PCWSTR cmd;
DWORD used = 0;
bool tildeEffect = false;
TRACE("Before parsing: %p, %d, %s, %s, %p, %p\n", out, len, debugstr_w(fmt),
debugstr_w(lpFile), pidl, args);
while (*fmt)
{
if (*fmt == '%')
{
switch (*++fmt)
{
case '\0':
case '%':
{
used++;
if (used < len)
*res++ = '%';
};
break;
case '*':
{
if (args)
{
if (*fmt == '*')
{
used++;
while(*args)
{
used++;
if (used < len)
*res++ = *args++;
else
args++;
}
used++;
break;
}
}
};
break;
case '~':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
//case '0':
{
if (*fmt == '~')
{
fmt++;
tildeEffect = true;
}
if (args)
{
if (tildeEffect)
{
ParseTildeEffect(res, args, len, used, *fmt - '2');
tildeEffect = false;
}
else
{
ParseNoTildeEffect(res, args, len, used, *fmt - '2');
}
}
};
break;
case '1':
if (!done || (*fmt == '1'))
{
/*FIXME Is the call to SearchPathW() really needed? We already have separated out the parameter string in args. */
if (SearchPathW(lpDir, lpFile, wszExe, sizeof(xlpFile) / sizeof(WCHAR), xlpFile, NULL))
cmd = xlpFile;
else
cmd = lpFile;
used += wcslen(cmd);
if (used < len)
{
wcscpy(res, cmd);
res += wcslen(cmd);
}
}
found_p1 = TRUE;
break;
/*
* IE uses this a lot for activating things such as windows media
* player. This is not verified to be fully correct but it appears
* to work just fine.
*/
case 'l':
case 'L':
if (lpFile)
{
used += wcslen(lpFile);
if (used < len)
{
wcscpy(res, lpFile);
res += wcslen(lpFile);
}
}
found_p1 = TRUE;
break;
case 'w':
case 'W':
if (lpDir)
{
used += wcslen(lpDir);
if (used < len)
{
wcscpy(res, lpDir);
res += wcslen(lpDir);
}
}
break;
case 'v':
case 'V':
if (lpFile)
{
used += wcslen(lpFile);
if (used < len)
{
wcscpy(res, lpFile);
res += wcslen(lpFile);
}
found_p1 = TRUE;
}
else if (lpDir)
{
used += wcslen(lpDir);
if (used < len)
{
wcscpy(res, lpDir);
res += wcslen(lpDir);
}
}
break;
case 'i':
case 'I':
if (pidl)
{
DWORD chars = 0;
/* %p should not exceed 8, maybe 16 when looking forward to 64bit.
* allowing a buffer of 100 should more than exceed all needs */
WCHAR buf[100];
LPVOID pv;
HGLOBAL hmem = SHAllocShared(pidl, ILGetSize(pidl), 0);
pv = SHLockShared(hmem, 0);
chars = swprintf(buf, L":%p", pv);
if (chars >= sizeof(buf) / sizeof(WCHAR))
ERR("pidl format buffer too small!\n");
used += chars;
if (used < len)
{
wcscpy(res, buf);
res += chars;
}
SHUnlockShared(pv);
}
found_p1 = TRUE;
break;
default:
/*
* Check if this is an env-variable here...
*/
/* Make sure that we have at least one more %.*/
if (strchrW(fmt, '%'))
{
WCHAR tmpBuffer[1024];
PWSTR tmpB = tmpBuffer;
WCHAR tmpEnvBuff[MAX_PATH];
DWORD envRet;
while (*fmt != '%')
*tmpB++ = *fmt++;
*tmpB++ = 0;
TRACE("Checking %s to be an env-var\n", debugstr_w(tmpBuffer));
envRet = GetEnvironmentVariableW(tmpBuffer, tmpEnvBuff, MAX_PATH);
if (envRet == 0 || envRet > MAX_PATH)
{
used += wcslen(tmpBuffer);
if (used < len)
{
wcscpy( res, tmpBuffer );
res += wcslen(tmpBuffer);
}
}
else
{
used += wcslen(tmpEnvBuff);
if (used < len)
{
wcscpy( res, tmpEnvBuff );
res += wcslen(tmpEnvBuff);
}
}
}
done = TRUE;
break;
}
/* Don't skip past terminator (catch a single '%' at the end) */
if (*fmt != '\0')
{
fmt++;
}
}
else
{
used ++;
if (used < len)
*res++ = *fmt++;
else
fmt++;
}
}
used++;
if (res - out < static_cast<int>(len))
*res = '\0';
else
out[len-1] = '\0';
TRACE("used %i of %i space\n", used, len);
if (out_len)
*out_len = used;
TRACE("After parsing: %p, %d, %s, %s, %p, %p\n", out, len, debugstr_w(fmt),
debugstr_w(lpFile), pidl, args);
return found_p1;
}
static HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
{
STRRET strret;
CComPtr<IShellFolder> desktop;
HRESULT hr = SHGetDesktopFolder(&desktop);
if (SUCCEEDED(hr))
{
hr = desktop->GetDisplayNameOf(pidl, SHGDN_FORPARSING, &strret);
if (SUCCEEDED(hr))
StrRetToStrNW(pszPath, uOutSize, &strret, pidl);
}
return hr;
}
/*************************************************************************
* SHELL_ExecuteW [Internal]
*
*/
static UINT_PTR SHELL_ExecuteW(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
const SHELLEXECUTEINFOW *psei, LPSHELLEXECUTEINFOW psei_out)
{
STARTUPINFOW startup;
PROCESS_INFORMATION info;
UINT_PTR retval = SE_ERR_NOASSOC;
UINT gcdret = 0;
WCHAR curdir[MAX_PATH];
DWORD dwCreationFlags;
const WCHAR *lpDirectory = NULL;
TRACE("Execute %s from directory %s\n", debugstr_w(lpCmd), debugstr_w(psei->lpDirectory));
/* make sure we don't fail the CreateProcess if the calling app passes in
* a bad working directory */
if (psei->lpDirectory && psei->lpDirectory[0])
{
DWORD attr = GetFileAttributesW(psei->lpDirectory);
if (attr != INVALID_FILE_ATTRIBUTES && attr & FILE_ATTRIBUTE_DIRECTORY)
lpDirectory = psei->lpDirectory;
}
/* ShellExecute specifies the command from psei->lpDirectory
* if present. Not from the current dir as CreateProcess does */
if (lpDirectory)
if ((gcdret = GetCurrentDirectoryW( MAX_PATH, curdir)))
if (!SetCurrentDirectoryW( lpDirectory))
ERR("cannot set directory %s\n", debugstr_w(lpDirectory));
ZeroMemory(&startup, sizeof(STARTUPINFOW));
startup.cb = sizeof(STARTUPINFOW);
startup.dwFlags = STARTF_USESHOWWINDOW;
startup.wShowWindow = psei->nShow;
dwCreationFlags = CREATE_UNICODE_ENVIRONMENT;
if (!(psei->fMask & SEE_MASK_NO_CONSOLE))
dwCreationFlags |= CREATE_NEW_CONSOLE;
startup.lpTitle = (LPWSTR)(psei->fMask & (SEE_MASK_HASLINKNAME | SEE_MASK_HASTITLE) ? psei->lpClass : NULL);
if (psei->fMask & SEE_MASK_HASLINKNAME)
startup.dwFlags |= STARTF_TITLEISLINKNAME;
if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, dwCreationFlags, env,
lpDirectory, &startup, &info))
{
/* Give 30 seconds to the app to come up, if desired. Probably only needed
when starting app immediately before making a DDE connection. */
if (shWait)
if (WaitForInputIdle(info.hProcess, 30000) == WAIT_FAILED)
WARN("WaitForInputIdle failed: Error %d\n", GetLastError() );
retval = 33;
if (psei->fMask & SEE_MASK_NOCLOSEPROCESS)
psei_out->hProcess = info.hProcess;
else
CloseHandle( info.hProcess );
CloseHandle( info.hThread );
}
else if ((retval = GetLastError()) >= 32)
{
WARN("CreateProcess returned error %ld\n", retval);
retval = ERROR_BAD_FORMAT;
}
TRACE("returning %lu\n", retval);
psei_out->hInstApp = (HINSTANCE)retval;
if (gcdret)
if (!SetCurrentDirectoryW(curdir))
ERR("cannot return to directory %s\n", debugstr_w(curdir));
return retval;
}
/***********************************************************************
* SHELL_BuildEnvW [Internal]
*
* Build the environment for the new process, adding the specified
* path to the PATH variable. Returned pointer must be freed by caller.
*/
static LPWSTR SHELL_BuildEnvW( const WCHAR *path )
{
static const WCHAR wPath[] = L"PATH=";
WCHAR *strings, *new_env;
WCHAR *p, *p2;
int total = wcslen(path) + 1;
BOOL got_path = FALSE;
if (!(strings = GetEnvironmentStringsW())) return NULL;
p = strings;
while (*p)
{
int len = wcslen(p) + 1;
if (!_wcsnicmp( p, wPath, 5 )) got_path = TRUE;
total += len;
p += len;
}
if (!got_path) total += 5; /* we need to create PATH */
total++; /* terminating null */
if (!(new_env = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, total * sizeof(WCHAR))))
{
FreeEnvironmentStringsW(strings);
return NULL;
}
p = strings;
p2 = new_env;
while (*p)
{
int len = wcslen(p) + 1;
memcpy(p2, p, len * sizeof(WCHAR));
if (!_wcsnicmp( p, wPath, 5 ))
{
p2[len - 1] = ';';
wcscpy( p2 + len, path );
p2 += wcslen(path) + 1;
}
p += len;
p2 += len;
}
if (!got_path)
{
wcscpy(p2, wPath);
wcscat(p2, path);
p2 += wcslen(p2) + 1;
}
*p2 = 0;
FreeEnvironmentStringsW(strings);
return new_env;
}
/***********************************************************************
* SHELL_TryAppPathW [Internal]
*
* Helper function for SHELL_FindExecutable
* @param lpResult - pointer to a buffer of size MAX_PATH
* On entry: szName is a filename (probably without path separators).
* On exit: if szName found in "App Path", place full path in lpResult, and return true
*/
static BOOL SHELL_TryAppPathW( LPCWSTR szName, LPWSTR lpResult, WCHAR **env)
{
HKEY hkApp = 0;
WCHAR buffer[1024];
LONG len;
LONG res;
BOOL found = FALSE;
if (env) *env = NULL;
wcscpy(buffer, L"Software\\Microsoft\\Windows\\CurrentVersion\\App Paths\\");
wcscat(buffer, szName);
res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
if (res)
{
// Add ".exe" extension, if extension does not exists
if (PathAddExtensionW(buffer, wszExe))
{
res = RegOpenKeyExW(HKEY_LOCAL_MACHINE, buffer, 0, KEY_READ, &hkApp);
}
if (res) goto end;
}
len = MAX_PATH * sizeof(WCHAR);
res = RegQueryValueW(hkApp, NULL, lpResult, &len);
if (res) goto end;
found = TRUE;
if (env)
{
DWORD count = sizeof(buffer);
if (!RegQueryValueExW(hkApp, L"Path", NULL, NULL, (LPBYTE)buffer, &count) && buffer[0])
*env = SHELL_BuildEnvW(buffer);
}
end:
if (hkApp) RegCloseKey(hkApp);
return found;
}
/*************************************************************************
* SHELL_FindExecutableByVerb [Internal]
*
* called from SHELL_FindExecutable or SHELL_execute_class
* in/out:
* classname a buffer, big enough, to get the key name to do actually the
* command "WordPad.Document.1\\shell\\open\\command"
* passed as "WordPad.Document.1"
* in:
* lpVerb the operation on it (open)
* commandlen the size of command buffer (in bytes)
* out:
* command a buffer, to store the command to do the
* operation on the file
* key a buffer, big enough, to get the key name to do actually the
* command "WordPad.Document.1\\shell\\open\\command"
* Can be NULL
*/
static UINT SHELL_FindExecutableByVerb(LPCWSTR lpVerb, LPWSTR key, LPWSTR classname, LPWSTR command, LONG commandlen)
{
static const WCHAR wCommand[] = L"\\command";
HKEY hkeyClass;
WCHAR verb[MAX_PATH];
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, classname, 0, 0x02000000, &hkeyClass))
return SE_ERR_NOASSOC;
if (!HCR_GetDefaultVerbW(hkeyClass, lpVerb, verb, sizeof(verb) / sizeof(verb[0])))
return SE_ERR_NOASSOC;
RegCloseKey(hkeyClass);
/* Looking for ...buffer\shell\<verb>\command */
wcscat(classname, L"\\shell\\");
wcscat(classname, verb);
wcscat(classname, wCommand);
if (RegQueryValueW(HKEY_CLASSES_ROOT, classname, command,
&commandlen) == ERROR_SUCCESS)
{
commandlen /= sizeof(WCHAR);
if (key) wcscpy(key, classname);
#if 0
LPWSTR tmp;
WCHAR param[256];
LONG paramlen = sizeof(param);
static const WCHAR wSpace[] = {' ', 0};
/* FIXME: it seems all Windows version don't behave the same here.
* the doc states that this ddeexec information can be found after
* the exec names.
* on Win98, it doesn't appear, but I think it does on Win2k
*/
/* Get the parameters needed by the application
from the associated ddeexec key */
tmp = strstrW(classname, wCommand);
tmp[0] = '\0';
wcscat(classname, wDdeexec);
if (RegQueryValueW(HKEY_CLASSES_ROOT, classname, param,
&paramlen) == ERROR_SUCCESS)
{
paramlen /= sizeof(WCHAR);
wcscat(command, wSpace);
wcscat(command, param);
commandlen += paramlen;
}
#endif
command[commandlen] = '\0';
return 33; /* FIXME see SHELL_FindExecutable() */
}
return SE_ERR_NOASSOC;
}
/*************************************************************************
* SHELL_FindExecutable [Internal]
*
* Utility for code sharing between FindExecutable and ShellExecute
* in:
* lpFile the name of a file
* lpVerb the operation on it (open)
* out:
* lpResult a buffer, big enough :-(, to store the command to do the
* operation on the file
* key a buffer, big enough, to get the key name to do actually the
* command (it'll be used afterwards for more information
* on the operation)
*/
static UINT SHELL_FindExecutable(LPCWSTR lpPath, LPCWSTR lpFile, LPCWSTR lpVerb,
LPWSTR lpResult, DWORD resultLen, LPWSTR key, WCHAR **env, LPITEMIDLIST pidl, LPCWSTR args)
{
WCHAR *extension = NULL; /* pointer to file extension */
WCHAR classname[256]; /* registry name for this file type */
LONG classnamelen = sizeof(classname); /* length of above */
WCHAR command[1024]; /* command from registry */
WCHAR wBuffer[256]; /* Used to GetProfileString */
UINT retval = SE_ERR_NOASSOC;
WCHAR *tok; /* token pointer */
WCHAR xlpFile[256]; /* result of SearchPath */
DWORD attribs; /* file attributes */
TRACE("%s\n", debugstr_w(lpFile));
if (!lpResult)
return ERROR_INVALID_PARAMETER;
xlpFile[0] = '\0';
lpResult[0] = '\0'; /* Start off with an empty return string */
if (key) *key = '\0';
/* trap NULL parameters on entry */
if (!lpFile)
{
WARN("(lpFile=%s,lpResult=%s): NULL parameter\n",
debugstr_w(lpFile), debugstr_w(lpResult));
return ERROR_FILE_NOT_FOUND; /* File not found. Close enough, I guess. */
}
if (SHELL_TryAppPathW( lpFile, lpResult, env ))
{
TRACE("found %s via App Paths\n", debugstr_w(lpResult));
return 33;
}
if (SearchPathW(lpPath, lpFile, wszExe, sizeof(xlpFile) / sizeof(WCHAR), xlpFile, NULL))
{
TRACE("SearchPathW returned non-zero\n");
lpFile = xlpFile;
/* The file was found in the application-supplied default directory (or the system search path) */
}
else if (lpPath && SearchPathW(NULL, lpFile, wszExe, sizeof(xlpFile)/sizeof(WCHAR), xlpFile, NULL))
{
TRACE("SearchPathW returned non-zero\n");
lpFile = xlpFile;
/* The file was found in one of the directories in the system-wide search path */
}
attribs = GetFileAttributesW(lpFile);
if (attribs != INVALID_FILE_ATTRIBUTES && (attribs & FILE_ATTRIBUTE_DIRECTORY))
{
wcscpy(classname, L"Folder");
}
else
{
/* Did we get something? Anything? */
if (xlpFile[0] == 0)
{
TRACE("Returning SE_ERR_FNF\n");
return SE_ERR_FNF;
}
/* First thing we need is the file's extension */
extension = wcsrchr(xlpFile, '.'); /* Assume last "." is the one; */
/* File->Run in progman uses */
/* .\FILE.EXE :( */
TRACE("xlpFile=%s,extension=%s\n", debugstr_w(xlpFile), debugstr_w(extension));
if (extension == NULL || extension[1] == 0)
{
WARN("Returning SE_ERR_NOASSOC\n");
return SE_ERR_NOASSOC;
}
/* Three places to check: */
/* 1. win.ini, [windows], programs (NB no leading '.') */
/* 2. Registry, HKEY_CLASS_ROOT\<classname>\shell\open\command */
/* 3. win.ini, [extensions], extension (NB no leading '.' */
/* All I know of the order is that registry is checked before */
/* extensions; however, it'd make sense to check the programs */
/* section first, so that's what happens here. */
/* See if it's a program - if GetProfileString fails, we skip this
* section. Actually, if GetProfileString fails, we've probably
* got a lot more to worry about than running a program... */
if (GetProfileStringW(L"windows", L"programs", L"exe pif bat cmd com", wBuffer, sizeof(wBuffer) / sizeof(WCHAR)) > 0)
{
CharLowerW(wBuffer);
tok = wBuffer;
while (*tok)
{
WCHAR *p = tok;
while (*p && *p != ' ' && *p != '\t') p++;
if (*p)
{
*p++ = 0;
while (*p == ' ' || *p == '\t') p++;
}
if (wcsicmp(tok, &extension[1]) == 0) /* have to skip the leading "." */
{
wcscpy(lpResult, xlpFile);
/* Need to perhaps check that the file has a path
* attached */
TRACE("found %s\n", debugstr_w(lpResult));
return 33;
/* Greater than 32 to indicate success */
}
tok = p;
}
}
/* Check registry */
if (RegQueryValueW(HKEY_CLASSES_ROOT, extension, classname,
&classnamelen) == ERROR_SUCCESS)
{
classnamelen /= sizeof(WCHAR);
if (classnamelen == sizeof(classname) / sizeof(WCHAR))
classnamelen--;
classname[classnamelen] = '\0';
TRACE("File type: %s\n", debugstr_w(classname));
}
else
{
*classname = '\0';
}
}
if (*classname)
{
/* pass the verb string to SHELL_FindExecutableByVerb() */
retval = SHELL_FindExecutableByVerb(lpVerb, key, classname, command, sizeof(command));
if (retval > 32)
{
DWORD finishedLen;
SHELL_ArgifyW(lpResult, resultLen, command, xlpFile, pidl, args, &finishedLen, lpPath);
if (finishedLen > resultLen)
ERR("Argify buffer not large enough.. truncated\n");
/* Remove double quotation marks and command line arguments */
if (*lpResult == '"')
{
WCHAR *p = lpResult;
while (*(p + 1) != '"')
{
*p = *(p + 1);
p++;
}
*p = '\0';
}
else
{
/* Truncate on first space */
WCHAR *p = lpResult;
while (*p != ' ' && *p != '\0')
p++;
*p = '\0';
}
}
}
else /* Check win.ini */
{
/* Toss the leading dot */
extension++;
if (GetProfileStringW(L"extensions", extension, L"", command, sizeof(command) / sizeof(WCHAR)) > 0)
{
if (wcslen(command) != 0)
{
wcscpy(lpResult, command);
tok = wcschr(lpResult, '^'); /* should be ^.extension? */
if (tok != NULL)
{
tok[0] = '\0';
wcscat(lpResult, xlpFile); /* what if no dir in xlpFile? */
tok = wcschr(command, '^'); /* see above */
if ((tok != NULL) && (wcslen(tok) > 5))
{
wcscat(lpResult, &tok[5]);
}
}
retval = 33; /* FIXME - see above */
}
}
}
TRACE("returning %s\n", debugstr_w(lpResult));
return retval;
}
/******************************************************************
* dde_cb
*
* callback for the DDE connection. not really useful
*/
static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
HSZ hsz1, HSZ hsz2, HDDEDATA hData,
ULONG_PTR dwData1, ULONG_PTR dwData2)
{
TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08lx, %08lx\n",
uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
return NULL;
}
/******************************************************************
* dde_connect
*
* ShellExecute helper. Used to do an operation with a DDE connection
*
* Handles both the direct connection (try #1), and if it fails,
* launching an application and trying (#2) to connect to it
*
*/
static unsigned dde_connect(const WCHAR* key, const WCHAR* start, WCHAR* ddeexec,
const WCHAR* lpFile, WCHAR *env,
LPCWSTR szCommandline, LPITEMIDLIST pidl, SHELL_ExecuteW32 execfunc,
const SHELLEXECUTEINFOW *psei, LPSHELLEXECUTEINFOW psei_out)
{
WCHAR regkey[256];
WCHAR * endkey = regkey + wcslen(key);
WCHAR app[256], topic[256], ifexec[256], static_res[256];
WCHAR * dynamic_res=NULL;
WCHAR * res;
LONG applen, topiclen, ifexeclen;
WCHAR * exec;
DWORD ddeInst = 0;
DWORD tid;
DWORD resultLen, endkeyLen;
HSZ hszApp, hszTopic;
HCONV hConv;
HDDEDATA hDdeData;
unsigned ret = SE_ERR_NOASSOC;
BOOL unicode = !(GetVersion() & 0x80000000);
if (strlenW(key) + 1 > sizeof(regkey) / sizeof(regkey[0]))
{
FIXME("input parameter %s larger than buffer\n", debugstr_w(key));
return 2;
}
wcscpy(regkey, key);
static const WCHAR wApplication[] = L"\\application";
endkeyLen = sizeof(regkey) / sizeof(regkey[0]) - (endkey - regkey);
if (strlenW(wApplication) + 1 > endkeyLen)
{
FIXME("endkey %s overruns buffer\n", debugstr_w(wApplication));
return 2;
}
wcscpy(endkey, wApplication);
applen = sizeof(app);
if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, app, &applen) != ERROR_SUCCESS)
{
WCHAR command[1024], fullpath[MAX_PATH];
static const WCHAR wSo[] = L".so";
DWORD sizeSo = sizeof(wSo) / sizeof(WCHAR);
LPWSTR ptr = NULL;
DWORD ret = 0;
/* Get application command from start string and find filename of application */
if (*start == '"')
{
if (strlenW(start + 1) + 1 > sizeof(command) / sizeof(command[0]))
{
FIXME("size of input parameter %s larger than buffer\n",
debugstr_w(start + 1));
return 2;
}
wcscpy(command, start + 1);
if ((ptr = wcschr(command, '"')))
* ptr = 0;
ret = SearchPathW(NULL, command, wszExe, sizeof(fullpath) / sizeof(WCHAR), fullpath, &ptr);
}
else
{
LPCWSTR p;
LPWSTR space;
for (p = start; (space = const_cast<LPWSTR>(strchrW(p, ' '))); p = space + 1)
{
int idx = space - start;
memcpy(command, start, idx * sizeof(WCHAR));
command[idx] = '\0';
if ((ret = SearchPathW(NULL, command, wszExe, sizeof(fullpath) / sizeof(WCHAR), fullpath, &ptr)))
break;
}
if (!ret)
ret = SearchPathW(NULL, start, wszExe, sizeof(fullpath) / sizeof(WCHAR), fullpath, &ptr);
}
if (!ret)
{
ERR("Unable to find application path for command %s\n", debugstr_w(start));
return ERROR_ACCESS_DENIED;
}
if (strlenW(ptr) + 1 > sizeof(app) / sizeof(app[0]))
{
FIXME("size of found path %s larger than buffer\n", debugstr_w(ptr));
return 2;
}
wcscpy(app, ptr);
/* Remove extensions (including .so) */
ptr = app + wcslen(app) - (sizeSo - 1);
if (wcslen(app) >= sizeSo &&
!wcscmp(ptr, wSo))
*ptr = 0;
ptr = const_cast<LPWSTR>(strrchrW(app, '.'));
assert(ptr);
*ptr = 0;
}
static const WCHAR wTopic[] = L"\\topic";
if (strlenW(wTopic) + 1 > endkeyLen)
{
FIXME("endkey %s overruns buffer\n", debugstr_w(wTopic));
return 2;
}
wcscpy(endkey, wTopic);
topiclen = sizeof(topic);
if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, topic, &topiclen) != ERROR_SUCCESS)
{
wcscpy(topic, L"System");
}
if (unicode)
{
if (DdeInitializeW(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
return 2;
}
else
{
if (DdeInitializeA(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
return 2;
}
hszApp = DdeCreateStringHandleW(ddeInst, app, CP_WINUNICODE);
hszTopic = DdeCreateStringHandleW(ddeInst, topic, CP_WINUNICODE);
hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
exec = ddeexec;
if (!hConv)
{
TRACE("Launching %s\n", debugstr_w(start));
ret = execfunc(start, env, TRUE, psei, psei_out);
if (ret <= 32)
{
TRACE("Couldn't launch\n");
goto error;
}
/* if ddeexec is NULL, then we just need to exit here */
if (ddeexec == NULL)
{
TRACE("Exiting because ddeexec is NULL. ret=42.\n");
/* See https://docs.microsoft.com/en-us/windows/win32/api/shellapi/nf-shellapi-shellexecutew */
/* for reason why we use 42 here and also "Shell32_apitest ShellExecuteW" regression test */
return 42;
}
/* if ddeexec is 'empty string', then we just need to exit here */
if (wcscmp(ddeexec, L"") == 0)
{
TRACE("Exiting because ddeexec is 'empty string'. ret=42.\n");
/* See https://docs.microsoft.com/en-us/windows/win32/api/shellapi/nf-shellapi-shellexecutew */
/* for reason why we use 42 here and also "Shell32_apitest ShellExecuteW" regression test */
return 42;
}
hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
if (!hConv)
{
TRACE("Couldn't connect. ret=%d\n", ret);
DdeUninitialize(ddeInst);
SetLastError(ERROR_DDE_FAIL);
return 30; /* whatever */
}
static const WCHAR wIfexec[] = L"\\ifexec";
if (strlenW(wIfexec) + 1 > endkeyLen)
{
FIXME("endkey %s overruns buffer\n", debugstr_w(wIfexec));
return 2;
}
strcpyW(endkey, wIfexec);
ifexeclen = sizeof(ifexec);
if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, ifexec, &ifexeclen) == ERROR_SUCCESS)
{
exec = ifexec;
}
}
SHELL_ArgifyW(static_res, sizeof(static_res)/sizeof(WCHAR), exec, lpFile, pidl, szCommandline, &resultLen, NULL);
if (resultLen > sizeof(static_res)/sizeof(WCHAR))
{
res = dynamic_res = static_cast<WCHAR *>(HeapAlloc(GetProcessHeap(), 0, resultLen * sizeof(WCHAR)));
SHELL_ArgifyW(dynamic_res, resultLen, exec, lpFile, pidl, szCommandline, NULL, NULL);
}
else
res = static_res;
TRACE("%s %s => %s\n", debugstr_w(exec), debugstr_w(lpFile), debugstr_w(res));
/* It's documented in the KB 330337 that IE has a bug and returns
* error DMLERR_NOTPROCESSED on XTYP_EXECUTE request.
*/
if (unicode)
hDdeData = DdeClientTransaction((LPBYTE)res, (strlenW(res) + 1) * sizeof(WCHAR), hConv, 0L, 0, XTYP_EXECUTE, 30000, &tid);
else
{
DWORD lenA = WideCharToMultiByte(CP_ACP, 0, res, -1, NULL, 0, NULL, NULL);
char *resA = (LPSTR)HeapAlloc(GetProcessHeap(), 0, lenA);
WideCharToMultiByte(CP_ACP, 0, res, -1, resA, lenA, NULL, NULL);
hDdeData = DdeClientTransaction( (LPBYTE)resA, lenA, hConv, 0L, 0,
XTYP_EXECUTE, 10000, &tid );
HeapFree(GetProcessHeap(), 0, resA);
}
if (hDdeData)
DdeFreeDataHandle(hDdeData);
else
WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
ret = 33;
HeapFree(GetProcessHeap(), 0, dynamic_res);
DdeDisconnect(hConv);
error:
DdeUninitialize(ddeInst);
return ret;
}
/*************************************************************************
* execute_from_key [Internal]
*/
static UINT_PTR execute_from_key(LPCWSTR key, LPCWSTR lpFile, WCHAR *env,
LPCWSTR szCommandline, LPCWSTR executable_name,
SHELL_ExecuteW32 execfunc,
LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
{
WCHAR cmd[256], param[1024], ddeexec[256];
DWORD cmdlen = sizeof(cmd), ddeexeclen = sizeof(ddeexec);
UINT_PTR retval = SE_ERR_NOASSOC;
DWORD resultLen;
LPWSTR tmp;
TRACE("%s %s %s %s %s\n", debugstr_w(key), debugstr_w(lpFile), debugstr_w(env),
debugstr_w(szCommandline), debugstr_w(executable_name));
cmd[0] = '\0';
param[0] = '\0';
/* Get the application from the registry */
if (RegQueryValueW(HKEY_CLASSES_ROOT, key, cmd, (LONG *)&cmdlen) == ERROR_SUCCESS)
{
TRACE("got cmd: %s\n", debugstr_w(cmd));
/* Is there a replace() function anywhere? */
cmdlen /= sizeof(WCHAR);
if (cmdlen >= sizeof(cmd) / sizeof(WCHAR))
cmdlen = sizeof(cmd) / sizeof(WCHAR) - 1;
cmd[cmdlen] = '\0';
SHELL_ArgifyW(param, sizeof(param) / sizeof(WCHAR), cmd, lpFile, (LPITEMIDLIST)psei->lpIDList, szCommandline, &resultLen,
(psei->lpDirectory && *psei->lpDirectory) ? psei->lpDirectory : NULL);
if (resultLen > sizeof(param) / sizeof(WCHAR))
ERR("Argify buffer not large enough, truncating\n");
}
/* Get the parameters needed by the application
from the associated ddeexec key */
tmp = const_cast<LPWSTR>(strstrW(key, L"command"));
assert(tmp);
wcscpy(tmp, L"ddeexec");
if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ddeexec, (LONG *)&ddeexeclen) == ERROR_SUCCESS)
{
TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(ddeexec));
if (!param[0]) strcpyW(param, executable_name);
retval = dde_connect(key, param, ddeexec, lpFile, env, szCommandline, (LPITEMIDLIST)psei->lpIDList, execfunc, psei, psei_out);
}
else if (param[0])
{
TRACE("executing: %s\n", debugstr_w(param));
retval = execfunc(param, env, FALSE, psei, psei_out);
}
else
WARN("Nothing appropriate found for %s\n", debugstr_w(key));
return retval;
}
/*************************************************************************
* FindExecutableA [SHELL32.@]
*/
HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
{
HINSTANCE retval;
WCHAR *wFile = NULL, *wDirectory = NULL;
WCHAR wResult[MAX_PATH];
if (lpFile) __SHCloneStrAtoW(&wFile, lpFile);
if (lpDirectory) __SHCloneStrAtoW(&wDirectory, lpDirectory);
retval = FindExecutableW(wFile, wDirectory, wResult);
WideCharToMultiByte(CP_ACP, 0, wResult, -1, lpResult, MAX_PATH, NULL, NULL);
SHFree(wFile);
SHFree(wDirectory);
TRACE("returning %s\n", lpResult);
return retval;
}
/*************************************************************************
* FindExecutableW [SHELL32.@]
*
* This function returns the executable associated with the specified file
* for the default verb.
*
* PARAMS
* lpFile [I] The file to find the association for. This must refer to
* an existing file otherwise FindExecutable fails and returns
* SE_ERR_FNF.
* lpResult [O] Points to a buffer into which the executable path is
* copied. This parameter must not be NULL otherwise
* FindExecutable() segfaults. The buffer must be of size at
* least MAX_PATH characters.
*
* RETURNS
* A value greater than 32 on success, less than or equal to 32 otherwise.
* See the SE_ERR_* constants.
*
* NOTES
* On Windows XP and 2003, FindExecutable() seems to first convert the
* filename into 8.3 format, thus taking into account only the first three
* characters of the extension, and expects to find an association for those.
* However other Windows versions behave sanely.
*/
HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
{
UINT_PTR retval = SE_ERR_NOASSOC;
WCHAR old_dir[1024];
WCHAR res[MAX_PATH];
TRACE("File %s, Dir %s\n", debugstr_w(lpFile), debugstr_w(lpDirectory));
lpResult[0] = '\0'; /* Start off with an empty return string */
if (lpFile == NULL)
return (HINSTANCE)SE_ERR_FNF;
if (lpDirectory)
{
GetCurrentDirectoryW(sizeof(old_dir) / sizeof(WCHAR), old_dir);
SetCurrentDirectoryW(lpDirectory);
}
retval = SHELL_FindExecutable(lpDirectory, lpFile, wszOpen, res, MAX_PATH, NULL, NULL, NULL, NULL);
if (retval > 32)
strcpyW(lpResult, res);
TRACE("returning %s\n", debugstr_w(lpResult));
if (lpDirectory)
SetCurrentDirectoryW(old_dir);
return (HINSTANCE)retval;
}
/* FIXME: is this already implemented somewhere else? */
static HKEY ShellExecute_GetClassKey(const SHELLEXECUTEINFOW *sei)
{
LPCWSTR ext = NULL, lpClass = NULL;
LPWSTR cls = NULL;
DWORD type = 0, sz = 0;
HKEY hkey = 0;
LONG r;
if (sei->fMask & SEE_MASK_CLASSALL)
return sei->hkeyClass;
if (sei->fMask & SEE_MASK_CLASSNAME)
lpClass = sei->lpClass;
else
{
ext = PathFindExtensionW(sei->lpFile);
TRACE("ext = %s\n", debugstr_w(ext));
if (!ext)
return hkey;
r = RegOpenKeyW(HKEY_CLASSES_ROOT, ext, &hkey);
if (r != ERROR_SUCCESS)
return hkey;
r = RegQueryValueExW(hkey, NULL, 0, &type, NULL, &sz);
if (r == ERROR_SUCCESS && type == REG_SZ)
{
sz += sizeof (WCHAR);
cls = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, sz);
cls[0] = 0;
RegQueryValueExW(hkey, NULL, 0, &type, (LPBYTE) cls, &sz);
}
RegCloseKey( hkey );
lpClass = cls;
}
TRACE("class = %s\n", debugstr_w(lpClass));
hkey = 0;
if (lpClass)
RegOpenKeyW( HKEY_CLASSES_ROOT, lpClass, &hkey);
HeapFree(GetProcessHeap(), 0, cls);
return hkey;
}
static IDataObject *shellex_get_dataobj( LPSHELLEXECUTEINFOW sei )
{
LPCITEMIDLIST pidllast = NULL;
CComPtr<IDataObject> dataobj;
CComPtr<IShellFolder> shf;
LPITEMIDLIST pidl = NULL;
HRESULT r;
if (sei->fMask & SEE_MASK_CLASSALL)
pidl = (LPITEMIDLIST)sei->lpIDList;
else
{
WCHAR fullpath[MAX_PATH];
BOOL ret;
fullpath[0] = 0;
ret = GetFullPathNameW(sei->lpFile, MAX_PATH, fullpath, NULL);
if (!ret)
goto end;
pidl = ILCreateFromPathW(fullpath);
}
r = SHBindToParent(pidl, IID_PPV_ARG(IShellFolder, &shf), &pidllast);
if (FAILED(r))
goto end;
shf->GetUIObjectOf(NULL, 1, &pidllast, IID_NULL_PPV_ARG(IDataObject, &dataobj));
end:
if (pidl != sei->lpIDList)
ILFree(pidl);
return dataobj.Detach();
}
static HRESULT shellex_run_context_menu_default(IShellExtInit *obj,
LPSHELLEXECUTEINFOW sei)
{
CComPtr<IContextMenu> cm = NULL;
CMINVOKECOMMANDINFOEX ici;
MENUITEMINFOW info;
WCHAR string[0x80];
INT i, n, def = -1;
HMENU hmenu = 0;
HRESULT r;
TRACE("%p %p\n", obj, sei);
r = obj->QueryInterface(IID_PPV_ARG(IContextMenu, &cm));
if (FAILED(r))
return r;
hmenu = CreateMenu();
if (!hmenu)
goto end;
/* the number of the last menu added is returned in r */
r = cm->QueryContextMenu(hmenu, 0, 0x20, 0x7fff, CMF_DEFAULTONLY);
if (FAILED(r))
goto end;
n = GetMenuItemCount(hmenu);
for (i = 0; i < n; i++)
{
memset(&info, 0, sizeof(info));
info.cbSize = sizeof info;
info.fMask = MIIM_FTYPE | MIIM_STRING | MIIM_STATE | MIIM_DATA | MIIM_ID;
info.dwTypeData = string;
info.cch = sizeof string;
string[0] = 0;
GetMenuItemInfoW(hmenu, i, TRUE, &info);
TRACE("menu %d %s %08x %08lx %08x %08x\n", i, debugstr_w(string),
info.fState, info.dwItemData, info.fType, info.wID);
if ((!sei->lpVerb && (info.fState & MFS_DEFAULT)) ||
(sei->lpVerb && !lstrcmpiW(sei->lpVerb, string)))
{
def = i;
break;
}
}
r = E_FAIL;
if (def == -1)
goto end;
memset(&ici, 0, sizeof ici);
ici.cbSize = sizeof ici;
ici.fMask = CMIC_MASK_UNICODE | (sei->fMask & (SEE_MASK_NO_CONSOLE | SEE_MASK_NOASYNC | SEE_MASK_ASYNCOK | SEE_MASK_FLAG_NO_UI));
ici.nShow = sei->nShow;
ici.lpVerb = MAKEINTRESOURCEA(def);
ici.hwnd = sei->hwnd;
ici.lpParametersW = sei->lpParameters;
r = cm->InvokeCommand((LPCMINVOKECOMMANDINFO)&ici);
TRACE("invoke command returned %08x\n", r);
end:
if (hmenu)
DestroyMenu( hmenu );
return r;
}
static HRESULT shellex_load_object_and_run(HKEY hkey, LPCGUID guid, LPSHELLEXECUTEINFOW sei)
{
// Can not use CComPtr here because of CoUninitialize at the end, before the destructors would run.
IDataObject *dataobj = NULL;
IObjectWithSite *ows = NULL;
IShellExtInit *obj = NULL;
HRESULT r;
TRACE("%p %s %p\n", hkey, debugstr_guid(guid), sei);
r = CoInitialize(NULL);
if (FAILED(r))
goto end;
r = CoCreateInstance(*guid, NULL, CLSCTX_INPROC_SERVER,
IID_PPV_ARG(IShellExtInit, &obj));
if (FAILED(r))
{
ERR("failed %08x\n", r);
goto end;
}
dataobj = shellex_get_dataobj(sei);
if (!dataobj)
{
ERR("failed to get data object\n");
r = E_FAIL;
goto end;
}
r = obj->Initialize(NULL, dataobj, hkey);
if (FAILED(r))
goto end;
r = obj->QueryInterface(IID_PPV_ARG(IObjectWithSite, &ows));
if (FAILED(r))
goto end;
ows->SetSite(NULL);
r = shellex_run_context_menu_default(obj, sei);
end:
if (ows)
ows->Release();
if (dataobj)
dataobj->Release();
if (obj)
obj->Release();
CoUninitialize();
return r;
}
/*************************************************************************
* ShellExecute_FromContextMenu [Internal]
*/
static LONG ShellExecute_FromContextMenu( LPSHELLEXECUTEINFOW sei )
{
HKEY hkey, hkeycm = 0;
WCHAR szguid[39];
HRESULT hr;
GUID guid;
DWORD i;
LONG r;
TRACE("%s\n", debugstr_w(sei->lpFile));
hkey = ShellExecute_GetClassKey(sei);
if (!hkey)
return ERROR_FUNCTION_FAILED;
r = RegOpenKeyW(hkey, L"shellex\\ContextMenuHandlers", &hkeycm);
if (r == ERROR_SUCCESS)
{
i = 0;
while (1)
{
r = RegEnumKeyW(hkeycm, i++, szguid, sizeof(szguid) / sizeof(szguid[0]));
if (r != ERROR_SUCCESS)
break;
hr = CLSIDFromString(szguid, &guid);
if (SUCCEEDED(hr))
{
/* stop at the first one that succeeds in running */
hr = shellex_load_object_and_run(hkey, &guid, sei);
if (SUCCEEDED(hr))
break;
}
}
RegCloseKey(hkeycm);
}
if (hkey != sei->hkeyClass)
RegCloseKey(hkey);
return r;
}
static UINT_PTR SHELL_quote_and_execute(LPCWSTR wcmd, LPCWSTR wszParameters, LPCWSTR lpstrProtocol, LPCWSTR wszApplicationName, LPWSTR env, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc);
static UINT_PTR SHELL_execute_class(LPCWSTR wszApplicationName, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc)
{
WCHAR execCmd[1024], classname[1024];
/* launch a document by fileclass like 'WordPad.Document.1' */
/* the Commandline contains 'c:\Path\wordpad.exe "%1"' */
/* FIXME: wcmd should not be of a fixed size. Fixed to 1024, MAX_PATH is way too short! */
ULONG cmask = (psei->fMask & SEE_MASK_CLASSALL);
DWORD resultLen;
BOOL done;
UINT_PTR rslt;
/* FIXME: remove following block when SHELL_quote_and_execute supports hkeyClass parameter */
if (cmask != SEE_MASK_CLASSNAME)
{
WCHAR wcmd[1024];
HCR_GetExecuteCommandW((cmask == SEE_MASK_CLASSKEY) ? psei->hkeyClass : NULL,
(cmask == SEE_MASK_CLASSNAME) ? psei->lpClass : NULL,
psei->lpVerb,
execCmd, sizeof(execCmd));
/* FIXME: get the extension of lpFile, check if it fits to the lpClass */
TRACE("SEE_MASK_CLASSNAME->%s, doc->%s\n", debugstr_w(execCmd), debugstr_w(wszApplicationName));
wcmd[0] = '\0';
done = SHELL_ArgifyW(wcmd, sizeof(wcmd) / sizeof(WCHAR), execCmd, wszApplicationName, (LPITEMIDLIST)psei->lpIDList, NULL, &resultLen,
(psei->lpDirectory && *psei->lpDirectory) ? psei->lpDirectory : NULL);
if (!done && wszApplicationName[0])
{
strcatW(wcmd, L" ");
if (*wszApplicationName != '"')
{
strcatW(wcmd, L"\"");
strcatW(wcmd, wszApplicationName);
strcatW(wcmd, L"\"");
}
else
strcatW(wcmd, wszApplicationName);
}
if (resultLen > sizeof(wcmd) / sizeof(WCHAR))
ERR("Argify buffer not large enough... truncating\n");
return execfunc(wcmd, NULL, FALSE, psei, psei_out);
}
strcpyW(classname, psei->lpClass);
rslt = SHELL_FindExecutableByVerb(psei->lpVerb, NULL, classname, execCmd, sizeof(execCmd));
TRACE("SHELL_FindExecutableByVerb returned %u (%s, %s)\n", (unsigned int)rslt, debugstr_w(classname), debugstr_w(execCmd));
if (33 > rslt)
return rslt;
rslt = SHELL_quote_and_execute( execCmd, L"", classname,
wszApplicationName, NULL, psei,
psei_out, execfunc );
return rslt;
}
static BOOL SHELL_translate_idlist(LPSHELLEXECUTEINFOW sei, LPWSTR wszParameters, DWORD parametersLen, LPWSTR wszApplicationName, DWORD dwApplicationNameLen)
{
static const WCHAR wExplorer[] = L"explorer.exe";
WCHAR buffer[MAX_PATH];
BOOL appKnownSingular = FALSE;
/* last chance to translate IDList: now also allow CLSID paths */
if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW((LPCITEMIDLIST)sei->lpIDList, buffer, sizeof(buffer)/sizeof(WCHAR)))) {
if (buffer[0] == ':' && buffer[1] == ':') {
/* open shell folder for the specified class GUID */
if (strlenW(buffer) + 1 > parametersLen)
ERR("parameters len exceeds buffer size (%i > %i), truncating\n",
lstrlenW(buffer) + 1, parametersLen);
lstrcpynW(wszParameters, buffer, parametersLen);
if (strlenW(wExplorer) > dwApplicationNameLen)
ERR("application len exceeds buffer size (%i > %i), truncating\n",
lstrlenW(wExplorer) + 1, dwApplicationNameLen);
lstrcpynW(wszApplicationName, wExplorer, dwApplicationNameLen);
appKnownSingular = TRUE;
sei->fMask &= ~SEE_MASK_INVOKEIDLIST;
} else {
WCHAR target[MAX_PATH];
DWORD attribs;
DWORD resultLen;
/* Check if we're executing a directory and if so use the
handler for the Folder class */
strcpyW(target, buffer);
attribs = GetFileAttributesW(buffer);
if (attribs != INVALID_FILE_ATTRIBUTES &&
(attribs & FILE_ATTRIBUTE_DIRECTORY) &&
HCR_GetExecuteCommandW(0, L"Folder",
sei->lpVerb,
buffer, sizeof(buffer))) {
SHELL_ArgifyW(wszApplicationName, dwApplicationNameLen,
buffer, target, (LPITEMIDLIST)sei->lpIDList, NULL, &resultLen,
(sei->lpDirectory && *sei->lpDirectory) ? sei->lpDirectory : NULL);
if (resultLen > dwApplicationNameLen)
ERR("Argify buffer not large enough... truncating\n");
appKnownSingular = FALSE;
}
sei->fMask &= ~SEE_MASK_INVOKEIDLIST;
}
}
return appKnownSingular;
}
static UINT_PTR SHELL_quote_and_execute(LPCWSTR wcmd, LPCWSTR wszParameters, LPCWSTR wszKeyname, LPCWSTR wszApplicationName, LPWSTR env, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc)
{
UINT_PTR retval;
DWORD len;
WCHAR *wszQuotedCmd;
/* Length of quotes plus length of command plus NULL terminator */
len = 2 + lstrlenW(wcmd) + 1;
if (wszParameters[0])
{
/* Length of space plus length of parameters */
len += 1 + lstrlenW(wszParameters);
}
wszQuotedCmd = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
/* Must quote to handle case where cmd contains spaces,
* else security hole if malicious user creates executable file "C:\\Program"
*/
strcpyW(wszQuotedCmd, L"\"");
strcatW(wszQuotedCmd, wcmd);
strcatW(wszQuotedCmd, L"\"");
if (wszParameters[0])
{
strcatW(wszQuotedCmd, L" ");
strcatW(wszQuotedCmd, wszParameters);
}
TRACE("%s/%s => %s/%s\n", debugstr_w(wszApplicationName), debugstr_w(psei->lpVerb), debugstr_w(wszQuotedCmd), debugstr_w(wszKeyname));
if (*wszKeyname)
retval = execute_from_key(wszKeyname, wszApplicationName, env, psei->lpParameters, wcmd, execfunc, psei, psei_out);
else
retval = execfunc(wszQuotedCmd, env, FALSE, psei, psei_out);
HeapFree(GetProcessHeap(), 0, wszQuotedCmd);
return retval;
}
static UINT_PTR SHELL_execute_url(LPCWSTR lpFile, LPCWSTR wcmd, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc)
{
static const WCHAR wShell[] = L"\\shell\\";
static const WCHAR wCommand[] = L"\\command";
UINT_PTR retval;
WCHAR *lpstrProtocol;
LPCWSTR lpstrRes;
INT iSize;
DWORD len;
lpstrRes = strchrW(lpFile, ':');
if (lpstrRes)
iSize = lpstrRes - lpFile;
else
iSize = strlenW(lpFile);
TRACE("Got URL: %s\n", debugstr_w(lpFile));
/* Looking for ...<protocol>\shell\<lpVerb>\command */
len = iSize + lstrlenW(wShell) + lstrlenW(wCommand) + 1;
if (psei->lpVerb && *psei->lpVerb)
len += lstrlenW(psei->lpVerb);
else
len += lstrlenW(wszOpen);
lpstrProtocol = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
memcpy(lpstrProtocol, lpFile, iSize * sizeof(WCHAR));
lpstrProtocol[iSize] = '\0';
strcatW(lpstrProtocol, wShell);
strcatW(lpstrProtocol, psei->lpVerb && *psei->lpVerb ? psei->lpVerb : wszOpen);
strcatW(lpstrProtocol, wCommand);
retval = execute_from_key(lpstrProtocol, lpFile, NULL, psei->lpParameters,
wcmd, execfunc, psei, psei_out);
HeapFree(GetProcessHeap(), 0, lpstrProtocol);
return retval;
}
static void do_error_dialog(UINT_PTR retval, HWND hwnd, WCHAR* filename)
{
WCHAR msg[2048];
DWORD_PTR msgArguments[3] = { (DWORD_PTR)filename, 0, 0 };
DWORD error_code;
error_code = GetLastError();
if (retval == SE_ERR_NOASSOC)
LoadStringW(shell32_hInstance, IDS_SHLEXEC_NOASSOC, msg, sizeof(msg) / sizeof(WCHAR));
else
FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ARGUMENT_ARRAY,
NULL,
error_code,
LANG_USER_DEFAULT,
msg,
sizeof(msg) / sizeof(WCHAR),
(va_list*)msgArguments);
MessageBoxW(hwnd, msg, NULL, MB_ICONERROR);
}
static WCHAR *expand_environment( const WCHAR *str )
{
WCHAR *buf;
DWORD len;
len = ExpandEnvironmentStringsW(str, NULL, 0);
if (!len) return NULL;
buf = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!buf) return NULL;
len = ExpandEnvironmentStringsW(str, buf, len);
if (!len)
{
HeapFree(GetProcessHeap(), 0, buf);
return NULL;
}
return buf;
}
/*************************************************************************
* SHELL_execute [Internal]
*/
static BOOL SHELL_execute(LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfunc)
{
static const DWORD unsupportedFlags =
SEE_MASK_INVOKEIDLIST | SEE_MASK_ICON | SEE_MASK_HOTKEY |
SEE_MASK_CONNECTNETDRV | SEE_MASK_FLAG_DDEWAIT |
SEE_MASK_UNICODE | SEE_MASK_ASYNCOK | SEE_MASK_HMONITOR;
WCHAR parametersBuffer[1024], dirBuffer[MAX_PATH], wcmdBuffer[1024];
WCHAR *wszApplicationName, *wszParameters, *wszDir, *wcmd;
DWORD dwApplicationNameLen = MAX_PATH + 2;
DWORD parametersLen = sizeof(parametersBuffer) / sizeof(WCHAR);
DWORD dirLen = sizeof(dirBuffer) / sizeof(WCHAR);
DWORD wcmdLen = sizeof(wcmdBuffer) / sizeof(WCHAR);
DWORD len;
SHELLEXECUTEINFOW sei_tmp; /* modifiable copy of SHELLEXECUTEINFO struct */
WCHAR wfileName[MAX_PATH];
WCHAR *env;
WCHAR wszKeyname[256];
LPCWSTR lpFile;
UINT_PTR retval = SE_ERR_NOASSOC;
BOOL appKnownSingular = FALSE;
/* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
sei_tmp = *sei;
TRACE("mask=0x%08x hwnd=%p verb=%s file=%s parm=%s dir=%s show=0x%08x class=%s\n",
sei_tmp.fMask, sei_tmp.hwnd, debugstr_w(sei_tmp.lpVerb),
debugstr_w(sei_tmp.lpFile), debugstr_w(sei_tmp.lpParameters),
debugstr_w(sei_tmp.lpDirectory), sei_tmp.nShow,
((sei_tmp.fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME) ?
debugstr_w(sei_tmp.lpClass) : "not used");
sei->hProcess = NULL;
/* make copies of all path/command strings */
if (!sei_tmp.lpFile)
{
wszApplicationName = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen * sizeof(WCHAR));
*wszApplicationName = '\0';
}
else if (*sei_tmp.lpFile == '\"' && sei_tmp.lpFile[(len = strlenW(sei_tmp.lpFile))-1] == '\"')
{
if(len-1 >= dwApplicationNameLen)
dwApplicationNameLen = len;
wszApplicationName = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen * sizeof(WCHAR));
memcpy(wszApplicationName, sei_tmp.lpFile + 1, len * sizeof(WCHAR));
if(len > 2)
wszApplicationName[len-2] = '\0';
appKnownSingular = TRUE;
TRACE("wszApplicationName=%s\n", debugstr_w(wszApplicationName));
}
else
{
DWORD l = strlenW(sei_tmp.lpFile) + 1;
if(l > dwApplicationNameLen) dwApplicationNameLen = l + 1;
wszApplicationName = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, dwApplicationNameLen * sizeof(WCHAR));
memcpy(wszApplicationName, sei_tmp.lpFile, l * sizeof(WCHAR));
if (wszApplicationName[2] == 0 && wszApplicationName[1] == L':' &&
((L'A' <= wszApplicationName[0] && wszApplicationName[0] <= L'Z') ||
(L'a' <= wszApplicationName[0] && wszApplicationName[0] <= L'z')))
{
// 'C:' --> 'C:\'
PathAddBackslashW(wszApplicationName);
}
}
wszParameters = parametersBuffer;
if (sei_tmp.lpParameters)
{
len = lstrlenW(sei_tmp.lpParameters) + 1;
if (len > parametersLen)
{
wszParameters = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
parametersLen = len;
}
strcpyW(wszParameters, sei_tmp.lpParameters);
}
else
*wszParameters = L'\0';
wszDir = dirBuffer;
if (sei_tmp.lpDirectory)
{
len = lstrlenW(sei_tmp.lpDirectory) + 1;
if (len > dirLen)
{
wszDir = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
dirLen = len;
}
strcpyW(wszDir, sei_tmp.lpDirectory);
}
else
*wszDir = L'\0';
/* adjust string pointers to point to the new buffers */
sei_tmp.lpFile = wszApplicationName;
sei_tmp.lpParameters = wszParameters;
sei_tmp.lpDirectory = wszDir;
if (sei_tmp.fMask & unsupportedFlags)
{
// SEE_MASK_IDLIST is not in unsupportedFlags, but the check above passes because SEE_MASK_INVOKEIDLIST is in it
if ((sei_tmp.fMask & unsupportedFlags) != SEE_MASK_IDLIST)
{
FIXME("flags ignored: 0x%08x\n", sei_tmp.fMask & unsupportedFlags);
}
}
/* process the IDList */
if (sei_tmp.fMask & SEE_MASK_IDLIST)
{
CComPtr<IShellExecuteHookW> pSEH;
HRESULT hr = SHBindToParent((LPCITEMIDLIST)sei_tmp.lpIDList, IID_PPV_ARG(IShellExecuteHookW, &pSEH), NULL);
if (SUCCEEDED(hr))
{
hr = pSEH->Execute(&sei_tmp);
if (hr == S_OK)
{
HeapFree(GetProcessHeap(), 0, wszApplicationName);
if (wszParameters != parametersBuffer)
HeapFree(GetProcessHeap(), 0, wszParameters);
if (wszDir != dirBuffer)
HeapFree(GetProcessHeap(), 0, wszDir);
return TRUE;
}
}
SHGetPathFromIDListW((LPCITEMIDLIST)sei_tmp.lpIDList, wszApplicationName);
appKnownSingular = TRUE;
TRACE("-- idlist=%p (%s)\n", sei_tmp.lpIDList, debugstr_w(wszApplicationName));
}
if (sei_tmp.fMask & SEE_MASK_DOENVSUBST)
{
WCHAR *tmp;
tmp = expand_environment(sei_tmp.lpFile);
if (!tmp)
{
return FALSE;
}
HeapFree(GetProcessHeap(), 0, wszApplicationName);
sei_tmp.lpFile = wszApplicationName = tmp;
tmp = expand_environment(sei_tmp.lpDirectory);
if (!tmp)
{
return FALSE;
}
if (wszDir != dirBuffer) HeapFree(GetProcessHeap(), 0, wszDir);
sei_tmp.lpDirectory = wszDir = tmp;
}
if (ERROR_SUCCESS == ShellExecute_FromContextMenu(&sei_tmp))
{
sei->hInstApp = (HINSTANCE) 33;
HeapFree(GetProcessHeap(), 0, wszApplicationName);
if (wszParameters != parametersBuffer)
HeapFree(GetProcessHeap(), 0, wszParameters);
if (wszDir != dirBuffer)
HeapFree(GetProcessHeap(), 0, wszDir);
return TRUE;
}
if (sei_tmp.fMask & SEE_MASK_CLASSALL)
{
retval = SHELL_execute_class(wszApplicationName, &sei_tmp, sei, execfunc);
if (retval <= 32 && !(sei_tmp.fMask & SEE_MASK_FLAG_NO_UI))
{
OPENASINFO Info;
//FIXME
// need full path
Info.pcszFile = wszApplicationName;
Info.pcszClass = NULL;
Info.oaifInFlags = OAIF_ALLOW_REGISTRATION | OAIF_EXEC;
//if (SHOpenWithDialog(sei_tmp.hwnd, &Info) != S_OK)
DBG_UNREFERENCED_LOCAL_VARIABLE(Info);
do_error_dialog(retval, sei_tmp.hwnd, wszApplicationName);
}
HeapFree(GetProcessHeap(), 0, wszApplicationName);
if (wszParameters != parametersBuffer)
HeapFree(GetProcessHeap(), 0, wszParameters);
if (wszDir != dirBuffer)
HeapFree(GetProcessHeap(), 0, wszDir);
return retval > 32;
}
/* Has the IDList not yet been translated? */
if (sei_tmp.fMask & SEE_MASK_IDLIST)
{
appKnownSingular = SHELL_translate_idlist( &sei_tmp, wszParameters,
parametersLen,
wszApplicationName,
dwApplicationNameLen );
}
/* convert file URLs */
if (UrlIsFileUrlW(sei_tmp.lpFile))
{
LPWSTR buf;
DWORD size;
size = MAX_PATH;
buf = static_cast<LPWSTR>(HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR)));
if (!buf || FAILED(PathCreateFromUrlW(sei_tmp.lpFile, buf, &size, 0)))
{
HeapFree(GetProcessHeap(), 0, buf);
return SE_ERR_OOM;
}
HeapFree(GetProcessHeap(), 0, wszApplicationName);
wszApplicationName = buf;
sei_tmp.lpFile = wszApplicationName;
}
else /* or expand environment strings (not both!) */
{
len = ExpandEnvironmentStringsW(sei_tmp.lpFile, NULL, 0);
if (len > 0)
{
LPWSTR buf;
buf = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
ExpandEnvironmentStringsW(sei_tmp.lpFile, buf, len + 1);
HeapFree(GetProcessHeap(), 0, wszApplicationName);
wszApplicationName = buf;
/* appKnownSingular unmodified */
sei_tmp.lpFile = wszApplicationName;
}
}
if (*sei_tmp.lpDirectory)
{
len = ExpandEnvironmentStringsW(sei_tmp.lpDirectory, NULL, 0);
if (len > 0)
{
LPWSTR buf;
len++;
buf = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buf, len);
if (wszDir != dirBuffer)
HeapFree(GetProcessHeap(), 0, wszDir);
wszDir = buf;
sei_tmp.lpDirectory = wszDir;
}
}
/* Else, try to execute the filename */
TRACE("execute: %s,%s,%s\n", debugstr_w(wszApplicationName), debugstr_w(wszParameters), debugstr_w(wszDir));
/* separate out command line arguments from executable file name */
if (!*sei_tmp.lpParameters && !appKnownSingular)
{
/* If the executable path is quoted, handle the rest of the command line as parameters. */
if (sei_tmp.lpFile[0] == L'"')
{
LPWSTR src = wszApplicationName/*sei_tmp.lpFile*/ + 1;
LPWSTR dst = wfileName;
LPWSTR end;
/* copy the unquoted executable path to 'wfileName' */
while(*src && *src != L'"')
*dst++ = *src++;
*dst = L'\0';
if (*src == L'"')
{
end = ++src;
while(isspaceW(*src))
++src;
}
else
end = src;
/* copy the parameter string to 'wszParameters' */
strcpyW(wszParameters, src);
/* terminate previous command string after the quote character */
*end = L'\0';
lpFile = wfileName;
}
else
{
lpFile = sei_tmp.lpFile;
}
}
else
lpFile = sei_tmp.lpFile;
wcmd = wcmdBuffer;
len = lstrlenW(wszApplicationName) + 3;
if (sei_tmp.lpParameters[0])
len += 1 + lstrlenW(wszParameters);
if (len > wcmdLen)
{
wcmd = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
wcmdLen = len;
}
swprintf(wcmd, L"\"%s\"", wszApplicationName);
if (sei_tmp.lpParameters[0])
{
strcatW(wcmd, L" ");
strcatW(wcmd, wszParameters);
}
retval = execfunc(wcmd, NULL, FALSE, &sei_tmp, sei);
if (retval > 32)
{
HeapFree(GetProcessHeap(), 0, wszApplicationName);
if (wszParameters != parametersBuffer)
HeapFree(GetProcessHeap(), 0, wszParameters);
if (wszDir != dirBuffer)
HeapFree(GetProcessHeap(), 0, wszDir);
if (wcmd != wcmdBuffer)
HeapFree(GetProcessHeap(), 0, wcmd);
return TRUE;
}
/* Else, try to find the executable */
wcmd[0] = L'\0';
retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, wcmdLen, wszKeyname, &env, (LPITEMIDLIST)sei_tmp.lpIDList, sei_tmp.lpParameters);
if (retval > 32) /* Found */
{
retval = SHELL_quote_and_execute(wcmd, wszParameters, wszKeyname,
wszApplicationName, env, &sei_tmp,
sei, execfunc);
HeapFree(GetProcessHeap(), 0, env);
}
else if (PathIsDirectoryW(lpFile))
{
WCHAR wExec[MAX_PATH];
WCHAR * lpQuotedFile = (LPWSTR)HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR) * (strlenW(lpFile) + 3));
if (lpQuotedFile)
{
retval = SHELL_FindExecutable(sei_tmp.lpDirectory, L"explorer",
wszOpen, wExec, MAX_PATH,
NULL, &env, NULL, NULL);
if (retval > 32)
{
swprintf(lpQuotedFile, L"\"%s\"", lpFile);
retval = SHELL_quote_and_execute(wExec, lpQuotedFile,
wszKeyname,
wszApplicationName, env,
&sei_tmp, sei, execfunc);
HeapFree(GetProcessHeap(), 0, env);
}
HeapFree(GetProcessHeap(), 0, lpQuotedFile);
}
else
retval = 0; /* Out of memory */
}
else if (PathIsURLW(lpFile)) /* File not found, check for URL */
{
retval = SHELL_execute_url(lpFile, wcmd, &sei_tmp, sei, execfunc );
}
/* Check if file specified is in the form www.??????.*** */
else if (!strncmpiW(lpFile, L"www", 3))
{
/* if so, prefix lpFile with http:// and call ShellExecute */
WCHAR lpstrTmpFile[256];
strcpyW(lpstrTmpFile, L"http://");
strcatW(lpstrTmpFile, lpFile);
retval = (UINT_PTR)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
}
TRACE("retval %lu\n", retval);
if (retval <= 32 && !(sei_tmp.fMask & SEE_MASK_FLAG_NO_UI))
{
OPENASINFO Info;
//FIXME
// need full path
Info.pcszFile = wszApplicationName;
Info.pcszClass = NULL;
Info.oaifInFlags = OAIF_ALLOW_REGISTRATION | OAIF_EXEC;
//if (SHOpenWithDialog(sei_tmp.hwnd, &Info) != S_OK)
DBG_UNREFERENCED_LOCAL_VARIABLE(Info);
do_error_dialog(retval, sei_tmp.hwnd, wszApplicationName);
}
HeapFree(GetProcessHeap(), 0, wszApplicationName);
if (wszParameters != parametersBuffer)
HeapFree(GetProcessHeap(), 0, wszParameters);
if (wszDir != dirBuffer)
HeapFree(GetProcessHeap(), 0, wszDir);
if (wcmd != wcmdBuffer)
HeapFree(GetProcessHeap(), 0, wcmd);
sei->hInstApp = (HINSTANCE)(retval > 32 ? 33 : retval);
return retval > 32;
}
/*************************************************************************
* ShellExecuteA [SHELL32.290]
*/
HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpVerb, LPCSTR lpFile,
LPCSTR lpParameters, LPCSTR lpDirectory, INT iShowCmd)
{
SHELLEXECUTEINFOA sei;
TRACE("%p,%s,%s,%s,%s,%d\n",
hWnd, debugstr_a(lpVerb), debugstr_a(lpFile),
debugstr_a(lpParameters), debugstr_a(lpDirectory), iShowCmd);
sei.cbSize = sizeof(sei);
sei.fMask = SEE_MASK_FLAG_NO_UI;
sei.hwnd = hWnd;
sei.lpVerb = lpVerb;
sei.lpFile = lpFile;
sei.lpParameters = lpParameters;
sei.lpDirectory = lpDirectory;
sei.nShow = iShowCmd;
sei.lpIDList = 0;
sei.lpClass = 0;
sei.hkeyClass = 0;
sei.dwHotKey = 0;
sei.hProcess = 0;
ShellExecuteExA(&sei);
return sei.hInstApp;
}
/*************************************************************************
* ShellExecuteExA [SHELL32.292]
*
*/
BOOL
WINAPI
DECLSPEC_HOTPATCH
ShellExecuteExA(LPSHELLEXECUTEINFOA sei)
{
SHELLEXECUTEINFOW seiW;
BOOL ret;
WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL, *wClass = NULL;
TRACE("%p\n", sei);
memcpy(&seiW, sei, sizeof(SHELLEXECUTEINFOW));
if (sei->lpVerb)
seiW.lpVerb = __SHCloneStrAtoW(&wVerb, sei->lpVerb);
if (sei->lpFile)
seiW.lpFile = __SHCloneStrAtoW(&wFile, sei->lpFile);
if (sei->lpParameters)
seiW.lpParameters = __SHCloneStrAtoW(&wParameters, sei->lpParameters);
if (sei->lpDirectory)
seiW.lpDirectory = __SHCloneStrAtoW(&wDirectory, sei->lpDirectory);
if ((sei->fMask & SEE_MASK_CLASSALL) == SEE_MASK_CLASSNAME && sei->lpClass)
seiW.lpClass = __SHCloneStrAtoW(&wClass, sei->lpClass);
else
seiW.lpClass = NULL;
ret = SHELL_execute(&seiW, SHELL_ExecuteW);
sei->hInstApp = seiW.hInstApp;
if (sei->fMask & SEE_MASK_NOCLOSEPROCESS)
sei->hProcess = seiW.hProcess;
SHFree(wVerb);
SHFree(wFile);
SHFree(wParameters);
SHFree(wDirectory);
SHFree(wClass);
return ret;
}
/*************************************************************************
* ShellExecuteExW [SHELL32.293]
*
*/
BOOL
WINAPI
DECLSPEC_HOTPATCH
ShellExecuteExW(LPSHELLEXECUTEINFOW sei)
{
return SHELL_execute(sei, SHELL_ExecuteW);
}
/*************************************************************************
* ShellExecuteW [SHELL32.294]
* from shellapi.h
* WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpVerb,
* LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
*/
HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpVerb, LPCWSTR lpFile,
LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
{
SHELLEXECUTEINFOW sei;
TRACE("\n");
sei.cbSize = sizeof(sei);
sei.fMask = SEE_MASK_FLAG_NO_UI;
sei.hwnd = hwnd;
sei.lpVerb = lpVerb;
sei.lpFile = lpFile;
sei.lpParameters = lpParameters;
sei.lpDirectory = lpDirectory;
sei.nShow = nShowCmd;
sei.lpIDList = 0;
sei.lpClass = 0;
sei.hkeyClass = 0;
sei.dwHotKey = 0;
sei.hProcess = 0;
SHELL_execute(&sei, SHELL_ExecuteW);
return sei.hInstApp;
}
/*************************************************************************
* WOWShellExecute [SHELL32.@]
*
* FIXME: the callback function most likely doesn't work the same way on Windows.
*/
EXTERN_C HINSTANCE WINAPI WOWShellExecute(HWND hWnd, LPCSTR lpVerb, LPCSTR lpFile,
LPCSTR lpParameters, LPCSTR lpDirectory, INT iShowCmd, void *callback)
{
SHELLEXECUTEINFOW seiW;
WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL;
HANDLE hProcess = 0;
seiW.lpVerb = lpVerb ? __SHCloneStrAtoW(&wVerb, lpVerb) : NULL;
seiW.lpFile = lpFile ? __SHCloneStrAtoW(&wFile, lpFile) : NULL;
seiW.lpParameters = lpParameters ? __SHCloneStrAtoW(&wParameters, lpParameters) : NULL;
seiW.lpDirectory = lpDirectory ? __SHCloneStrAtoW(&wDirectory, lpDirectory) : NULL;
seiW.cbSize = sizeof(seiW);
seiW.fMask = 0;
seiW.hwnd = hWnd;
seiW.nShow = iShowCmd;
seiW.lpIDList = 0;
seiW.lpClass = 0;
seiW.hkeyClass = 0;
seiW.dwHotKey = 0;
seiW.hProcess = hProcess;
SHELL_execute(&seiW, (SHELL_ExecuteW32)callback);
SHFree(wVerb);
SHFree(wFile);
SHFree(wParameters);
SHFree(wDirectory);
return seiW.hInstApp;
}
/*************************************************************************
* OpenAs_RunDLLW [SHELL32.@]
*/
EXTERN_C void WINAPI
OpenAs_RunDLLW(HWND hwnd, HINSTANCE hinst, LPCWSTR cmdline, int cmdshow)
{
OPENASINFO info;
TRACE("%p, %p, %s, %d\n", hwnd, hinst, debugstr_w(cmdline), cmdshow);
ZeroMemory(&info, sizeof(info));
info.pcszFile = cmdline;
info.pcszClass = NULL;
info.oaifInFlags = OAIF_ALLOW_REGISTRATION | OAIF_REGISTER_EXT | OAIF_EXEC;
SHOpenWithDialog(hwnd, &info);
}
/*************************************************************************
* OpenAs_RunDLLA [SHELL32.@]
*/
EXTERN_C void WINAPI
OpenAs_RunDLLA(HWND hwnd, HINSTANCE hinst, LPCSTR cmdline, int cmdshow)
{
LPWSTR pszCmdLineW = NULL;
TRACE("%p, %p, %s, %d\n", hwnd, hinst, debugstr_a(cmdline), cmdshow);
if (cmdline)
__SHCloneStrAtoW(&pszCmdLineW, cmdline);
OpenAs_RunDLLW(hwnd, hinst, pszCmdLineW, cmdshow);
SHFree(pszCmdLineW);
}
/*************************************************************************/
static LPCWSTR
SplitParams(LPCWSTR psz, LPWSTR pszArg0, size_t cchArg0)
{
LPCWSTR pch;
size_t ich = 0;
if (*psz == L'"')
{
// 1st argument is quoted. the string in quotes is quoted 1st argument.
// [pch] --> [pszArg0+ich]
for (pch = psz + 1; *pch && ich + 1 < cchArg0; ++ich, ++pch)
{
if (*pch == L'"' && pch[1] == L'"')
{
// doubled double quotations found!
pszArg0[ich] = L'"';
}
else if (*pch == L'"')
{
// single double quotation found!
++pch;
break;
}
else
{
// otherwise
pszArg0[ich] = *pch;
}
}
}
else
{
// 1st argument is unquoted. non-space sequence is 1st argument.
// [pch] --> [pszArg0+ich]
for (pch = psz; *pch && !iswspace(*pch) && ich + 1 < cchArg0; ++ich, ++pch)
{
pszArg0[ich] = *pch;
}
}
pszArg0[ich] = 0;
// skip space
while (iswspace(*pch))
++pch;
return pch;
}
HRESULT WINAPI ShellExecCmdLine(
HWND hwnd,
LPCWSTR pwszCommand,
LPCWSTR pwszStartDir,
int nShow,
LPVOID pUnused,
DWORD dwSeclFlags)
{
SHELLEXECUTEINFOW info;
DWORD dwSize, dwError, dwType, dwFlags = SEE_MASK_DOENVSUBST | SEE_MASK_NOASYNC;
LPCWSTR pszVerb = NULL;
WCHAR szFile[MAX_PATH], szFile2[MAX_PATH];
HRESULT hr;
LPCWSTR pchParams;
LPWSTR lpCommand = NULL;
if (pwszCommand == NULL)
RaiseException(EXCEPTION_ACCESS_VIOLATION, EXCEPTION_NONCONTINUABLE,
1, (ULONG_PTR*)pwszCommand);
__SHCloneStrW(&lpCommand, pwszCommand);
StrTrimW(lpCommand, L" \t");
if (dwSeclFlags & SECL_NO_UI)
dwFlags |= SEE_MASK_FLAG_NO_UI;
if (dwSeclFlags & SECL_LOG_USAGE)
dwFlags |= SEE_MASK_FLAG_LOG_USAGE;
if (dwSeclFlags & SECL_USE_IDLIST)
dwFlags |= SEE_MASK_INVOKEIDLIST;
if (dwSeclFlags & SECL_RUNAS)
{
dwSize = 0;
hr = AssocQueryStringW(0, ASSOCSTR_COMMAND, lpCommand, L"RunAs", NULL, &dwSize);
if (SUCCEEDED(hr) && dwSize != 0)
{
pszVerb = L"runas";
}
}
if (PathIsURLW(lpCommand) || UrlIsW(lpCommand, URLIS_APPLIABLE))
{
StringCchCopyW(szFile, _countof(szFile), lpCommand);
pchParams = NULL;
}
else
{
pchParams = SplitParams(lpCommand, szFile, _countof(szFile));
if (szFile[0] != UNICODE_NULL && szFile[1] == L':' &&
szFile[2] == UNICODE_NULL)
{
PathAddBackslashW(szFile);
}
WCHAR szCurDir[MAX_PATH];
GetCurrentDirectoryW(_countof(szCurDir), szCurDir);
if (pwszStartDir)
{
SetCurrentDirectoryW(pwszStartDir);
}
if (PathIsRelativeW(szFile) &&
GetFullPathNameW(szFile, _countof(szFile2), szFile2, NULL) &&
PathFileExistsW(szFile2))
{
StringCchCopyW(szFile, _countof(szFile), szFile2);
}
else if (SearchPathW(NULL, szFile, NULL, _countof(szFile2), szFile2, NULL) ||
SearchPathW(NULL, szFile, wszExe, _countof(szFile2), szFile2, NULL) ||
SearchPathW(NULL, szFile, wszCom, _countof(szFile2), szFile2, NULL) ||
SearchPathW(pwszStartDir, szFile, NULL, _countof(szFile2), szFile2, NULL) ||
SearchPathW(pwszStartDir, szFile, wszExe, _countof(szFile2), szFile2, NULL) ||
SearchPathW(pwszStartDir, szFile, wszCom, _countof(szFile2), szFile2, NULL))
{
StringCchCopyW(szFile, _countof(szFile), szFile2);
}
else if (SearchPathW(NULL, lpCommand, NULL, _countof(szFile2), szFile2, NULL) ||
SearchPathW(NULL, lpCommand, wszExe, _countof(szFile2), szFile2, NULL) ||
SearchPathW(NULL, lpCommand, wszCom, _countof(szFile2), szFile2, NULL) ||
SearchPathW(pwszStartDir, lpCommand, NULL, _countof(szFile2), szFile2, NULL) ||
SearchPathW(pwszStartDir, lpCommand, wszExe, _countof(szFile2), szFile2, NULL) ||
SearchPathW(pwszStartDir, lpCommand, wszCom, _countof(szFile2), szFile2, NULL))
{
StringCchCopyW(szFile, _countof(szFile), szFile2);
pchParams = NULL;
}
if (pwszStartDir)
{
SetCurrentDirectoryW(szCurDir);
}
if (!(dwSeclFlags & SECL_ALLOW_NONEXE))
{
if (!GetBinaryTypeW(szFile, &dwType))
{
SHFree(lpCommand);
if (!(dwSeclFlags & SECL_NO_UI))
{
WCHAR szText[128 + MAX_PATH], szFormat[128];
LoadStringW(shell32_hInstance, IDS_FILE_NOT_FOUND, szFormat, _countof(szFormat));
StringCchPrintfW(szText, _countof(szText), szFormat, szFile);
MessageBoxW(hwnd, szText, NULL, MB_ICONERROR);
}
return CO_E_APPNOTFOUND;
}
}
else
{
if (GetFileAttributesW(szFile) == INVALID_FILE_ATTRIBUTES)
{
SHFree(lpCommand);
if (!(dwSeclFlags & SECL_NO_UI))
{
WCHAR szText[128 + MAX_PATH], szFormat[128];
LoadStringW(shell32_hInstance, IDS_FILE_NOT_FOUND, szFormat, _countof(szFormat));
StringCchPrintfW(szText, _countof(szText), szFormat, szFile);
MessageBoxW(hwnd, szText, NULL, MB_ICONERROR);
}
return HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
}
}
}
ZeroMemory(&info, sizeof(info));
info.cbSize = sizeof(info);
info.fMask = dwFlags;
info.hwnd = hwnd;
info.lpVerb = pszVerb;
info.lpFile = szFile;
info.lpParameters = (pchParams && *pchParams) ? pchParams : NULL;
info.lpDirectory = pwszStartDir;
info.nShow = nShow;
if (ShellExecuteExW(&info))
{
if (info.lpIDList)
CoTaskMemFree(info.lpIDList);
SHFree(lpCommand);
return S_OK;
}
dwError = GetLastError();
SHFree(lpCommand);
return HRESULT_FROM_WIN32(dwError);
}
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