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wine/dlls/shell32/shlexec.c
Jiajin Cui eee640c938 shell32: Make sure wcmd has enough space to hold the string. 
If the length of wszApplicationName exceeds 1024, it will cause an error
when writing to the subsequent stack space after exceeding the wcmd space,
Wcmd needs to be modified to dynamic allocation.

Signed-off-by: Jiajin Cui <cuijiajin@uniontech.com>
2023-07-04 20:58:22 +02:00

2093 lines
66 KiB
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/*
* Shell Library Functions
*
* Copyright 1998 Marcus Meissner
* Copyright 2002 Eric Pouech
*
* 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 <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <ctype.h>
#include <assert.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winreg.h"
#include "winuser.h"
#include "shlwapi.h"
#include "ddeml.h"
#include "shell32_main.h"
#include "pidl.h"
#include "shresdef.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(exec);
#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 inline BOOL isSpace(WCHAR c)
{
return c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' || c == '\v';
}
/***********************************************************************
* 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 ???
* %* all following parameters (see batfile)
*
*/
static BOOL SHELL_ArgifyW(WCHAR* out, int len, const WCHAR* fmt, const WCHAR* lpFile, LPITEMIDLIST pidl, LPCWSTR args, DWORD* out_len)
{
WCHAR xlpFile[1024];
BOOL done = FALSE;
BOOL found_p1 = FALSE;
PWSTR res = out;
PCWSTR cmd;
DWORD used = 0;
TRACE("%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 '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case '0':
case '*':
if (args)
{
if (*fmt == '*')
{
used++;
while(*args)
{
used++;
if (used < len)
*res++ = *args++;
else
args++;
}
used++;
}
else
{
while(*args && !isSpace(*args))
{
used++;
if (used < len)
*res++ = *args++;
else
args++;
}
while(isSpace(*args))
++args;
}
break;
}
/* else fall through */
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(NULL, lpFile, L".exe", ARRAY_SIZE(xlpFile), xlpFile, NULL))
cmd = xlpFile;
else
cmd = lpFile;
used += lstrlenW(cmd);
if (used < len)
{
lstrcpyW(res, cmd);
res += lstrlenW(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 += lstrlenW(lpFile);
if (used < len)
{
lstrcpyW(res, lpFile);
res += lstrlenW(lpFile);
}
}
found_p1 = TRUE;
break;
case 'i':
case 'I':
if (pidl) {
INT 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, ARRAY_SIZE(buf), L":%p", pv);
if (chars >= ARRAY_SIZE(buf))
ERR("pidl format buffer too small!\n");
used += chars;
if (used < len)
{
lstrcpyW(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 (wcschr(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 += lstrlenW(tmpBuffer);
if (used < len)
{
lstrcpyW( res, tmpBuffer );
res += lstrlenW(tmpBuffer);
}
}
else
{
used += lstrlenW(tmpEnvBuff);
if (used < len)
{
lstrcpyW( res, tmpEnvBuff );
res += lstrlenW(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 < len)
*res = '\0';
else
out[len-1] = '\0';
TRACE("used %li of %i space\n",used,len);
if (out_len)
*out_len = used;
return found_p1;
}
static HRESULT SHELL_GetPathFromIDListForExecuteW(LPCITEMIDLIST pidl, LPWSTR pszPath, UINT uOutSize)
{
STRRET strret;
IShellFolder* desktop;
HRESULT hr = SHGetDesktopFolder(&desktop);
if (SUCCEEDED(hr)) {
hr = IShellFolder_GetDisplayNameOf(desktop, pidl, SHGDN_FORPARSING, &strret);
if (SUCCEEDED(hr))
StrRetToStrNW(pszPath, uOutSize, &strret, pidl);
IShellFolder_Release(desktop);
}
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;
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])
{
/* ShellExecute specifies the command from psei->lpDirectory
* if present. Not from the current dir as CreateProcess does */
if( ( gcdret = GetCurrentDirectoryW( MAX_PATH, curdir )))
if( !SetCurrentDirectoryW( psei->lpDirectory ))
ERR("cannot set directory %s\n", debugstr_w(psei->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;
if (CreateProcessW(NULL, (LPWSTR)lpCmd, NULL, NULL, FALSE, dwCreationFlags, env,
NULL, &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 %ld\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)
{
TRACE("CreateProcess returned error %Id\n", retval);
retval = ERROR_BAD_FORMAT;
}
TRACE("returning %Iu\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 void *SHELL_BuildEnvW( const WCHAR *path )
{
WCHAR *strings, *new_env;
WCHAR *p, *p2;
int total = lstrlenW(path) + 1;
BOOL got_path = FALSE;
if (!(strings = GetEnvironmentStringsW())) return NULL;
p = strings;
while (*p)
{
int len = lstrlenW(p) + 1;
if (!wcsnicmp( p, L"PATH=", 5 )) got_path = TRUE;
total += len;
p += len;
}
if (!got_path) total += 5; /* we need to create PATH */
total++; /* terminating null */
if (!(new_env = heap_alloc( total * sizeof(WCHAR) )))
{
FreeEnvironmentStringsW( strings );
return NULL;
}
p = strings;
p2 = new_env;
while (*p)
{
int len = lstrlenW(p) + 1;
memcpy( p2, p, len * sizeof(WCHAR) );
if (!wcsnicmp( p, L"PATH=", 5 ))
{
p2[len - 1] = ';';
lstrcpyW( p2 + len, path );
p2 += lstrlenW(path) + 1;
}
p += len;
p2 += len;
}
if (!got_path)
{
lstrcpyW( p2, L"PATH=" );
lstrcatW( p2, path );
p2 += lstrlenW(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;
lstrcpyW(buffer, L"Software\\Microsoft\\Windows\\CurrentVersion\\App Paths\\");
lstrcatW(buffer, szName);
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)
{
HKEY hkeyClass;
WCHAR verb[MAX_PATH];
if (*classname == '.')
{
/* Extension, default key value holds class name. Extension may also have
* empty class name and shell\verb\command subkey. */
WCHAR class[MAX_PATH];
LONG len;
len = sizeof(class);
if (!RegQueryValueW(HKEY_CLASSES_ROOT, classname, class, &len) && *class)
wcscpy(classname, class);
}
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, classname, 0, 0x02000000, &hkeyClass))
return SE_ERR_NOASSOC;
if (!HCR_GetDefaultVerbW(hkeyClass, lpVerb, verb, ARRAY_SIZE(verb)))
return SE_ERR_NOASSOC;
RegCloseKey(hkeyClass);
/* Looking for ...buffer\shell\<verb>\command */
lstrcatW(classname, L"\\shell\\");
lstrcatW(classname, verb);
lstrcatW(classname, L"\\command");
if (RegQueryValueW(HKEY_CLASSES_ROOT, classname, command,
&commandlen) == ERROR_SUCCESS)
{
commandlen /= sizeof(WCHAR);
if (key) lstrcpyW(key, classname);
#if 0
LPWSTR tmp;
WCHAR param[256];
LONG paramlen = sizeof(param);
/* 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 = wcsstr(classname, L"\\command");
tmp[0] = '\0';
lstrcatW(classname, wDdeexec);
if (RegQueryValueW(HKEY_CLASSES_ROOT, classname, param,
&paramlen) == ERROR_SUCCESS)
{
paramlen /= sizeof(WCHAR);
lstrcatW(command, L" ");
lstrcatW(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, int 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, L".exe", ARRAY_SIZE(xlpFile), 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, L".exe", ARRAY_SIZE(xlpFile), 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))
{
lstrcpyW(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, ARRAY_SIZE(wBuffer)) > 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 "." */
{
lstrcpyW(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 == ARRAY_SIZE(classname))
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);
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, ARRAY_SIZE(command)) > 0)
{
if (*command)
{
lstrcpyW(lpResult, command);
tok = wcschr(lpResult, '^'); /* should be ^.extension? */
if (tok != NULL)
{
tok[0] = '\0';
lstrcatW(lpResult, xlpFile); /* what if no dir in xlpFile? */
tok = wcschr(command, '^'); /* see above */
if ((tok != NULL) && (lstrlenW(tok)>5))
{
lstrcatW(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, %08Ix, %08Ix\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 + lstrlenW(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 (lstrlenW(key) + 1 > ARRAY_SIZE(regkey))
{
FIXME("input parameter %s larger than buffer\n", debugstr_w(key));
return 2;
}
lstrcpyW(regkey, key);
endkeyLen = ARRAY_SIZE(regkey) - (endkey - regkey);
if (lstrlenW(L"\\application") + 1 > endkeyLen)
{
FIXME("endkey overruns buffer\n");
return 2;
}
lstrcpyW(endkey, L"\\application");
applen = sizeof(app);
if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, app, &applen) != ERROR_SUCCESS)
{
WCHAR command[1024], fullpath[MAX_PATH];
LPWSTR ptr = NULL;
DWORD ret = 0;
/* Get application command from start string and find filename of application */
if (*start == '"')
{
if (lstrlenW(start + 1) + 1 > ARRAY_SIZE(command))
{
FIXME("size of input parameter %s larger than buffer\n",
debugstr_w(start + 1));
return 2;
}
lstrcpyW(command, start+1);
if ((ptr = wcschr(command, '"')))
*ptr = 0;
ret = SearchPathW(NULL, command, L".exe", ARRAY_SIZE(fullpath), fullpath, &ptr);
}
else
{
LPCWSTR p;
LPWSTR space;
for (p=start; (space=wcschr(p, ' ')); p=space+1)
{
int idx = space-start;
memcpy(command, start, idx*sizeof(WCHAR));
command[idx] = '\0';
if ((ret = SearchPathW(NULL, command, L".exe", ARRAY_SIZE(fullpath), fullpath, &ptr)))
break;
}
if (!ret)
ret = SearchPathW(NULL, start, L".exe", ARRAY_SIZE(fullpath), fullpath, &ptr);
}
if (!ret)
{
ERR("Unable to find application path for command %s\n", debugstr_w(start));
return ERROR_ACCESS_DENIED;
}
if (lstrlenW(ptr) + 1 > ARRAY_SIZE(app))
{
FIXME("size of found path %s larger than buffer\n", debugstr_w(ptr));
return 2;
}
lstrcpyW(app, ptr);
/* Remove extensions (including .so) */
ptr = app + lstrlenW(app) - 3;
if (ptr > app && !wcscmp(ptr, L".so"))
*ptr = 0;
ptr = wcsrchr(app, '.');
assert(ptr);
*ptr = 0;
}
if (lstrlenW(L"\\topic") + 1 > endkeyLen)
{
FIXME("endkey overruns buffer\n");
return 2;
}
lstrcpyW(endkey, L"\\topic");
topiclen = sizeof(topic);
if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, topic, &topiclen) != ERROR_SUCCESS)
lstrcpyW(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;
}
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 */
}
if (lstrlenW(L"\\ifexec") + 1 > endkeyLen)
{
FIXME("endkey overruns buffer\n");
return 2;
}
lstrcpyW(endkey, L"\\ifexec");
ifexeclen = sizeof(ifexec);
if (RegQueryValueW(HKEY_CLASSES_ROOT, regkey, ifexec, &ifexeclen) == ERROR_SUCCESS)
{
exec = ifexec;
}
}
SHELL_ArgifyW(static_res, ARRAY_SIZE(static_res), exec, lpFile, pidl, szCommandline, &resultLen);
if (resultLen > ARRAY_SIZE(static_res))
{
res = dynamic_res = heap_alloc(resultLen * sizeof(WCHAR));
SHELL_ArgifyW(dynamic_res, resultLen, exec, lpFile, pidl, szCommandline, 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, (lstrlenW(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 = heap_alloc(lenA);
WideCharToMultiByte(CP_ACP, 0, res, -1, resA, lenA, NULL, NULL);
hDdeData = DdeClientTransaction( (LPBYTE)resA, lenA, hConv, 0L, 0,
XTYP_EXECUTE, 10000, &tid );
heap_free(resA);
}
if (hDdeData)
DdeFreeDataHandle(hDdeData);
else
WARN("DdeClientTransaction failed with error %04x\n", DdeGetLastError(ddeInst));
ret = 33;
heap_free(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];
LONG 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, &cmdlen) == ERROR_SUCCESS)
{
TRACE("got cmd: %s\n", debugstr_w(cmd));
/* Is there a replace() function anywhere? */
cmdlen /= sizeof(WCHAR);
if (cmdlen >= ARRAY_SIZE(cmd))
cmdlen = ARRAY_SIZE(cmd) - 1;
cmd[cmdlen] = '\0';
SHELL_ArgifyW(param, ARRAY_SIZE(param), cmd, lpFile, psei->lpIDList, szCommandline, &resultLen);
if (resultLen > ARRAY_SIZE(param))
ERR("Argify buffer not large enough, truncating\n");
}
/* Get the parameters needed by the application
from the associated ddeexec key */
tmp = wcsstr(key, L"command");
assert(tmp);
lstrcpyW(tmp, L"ddeexec");
if (RegQueryValueW(HKEY_CLASSES_ROOT, key, ddeexec, &ddeexeclen) == ERROR_SUCCESS)
{
TRACE("Got ddeexec %s => %s\n", debugstr_w(key), debugstr_w(ddeexec));
if (!param[0]) lstrcpyW(param, executable_name);
retval = dde_connect(key, param, ddeexec, lpFile, env, szCommandline, 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(ARRAY_SIZE(old_dir), old_dir);
SetCurrentDirectoryW(lpDirectory);
}
retval = SHELL_FindExecutable(lpDirectory, lpFile, L"open", res, MAX_PATH, NULL, NULL, NULL, NULL);
if (retval > 32)
lstrcpyW(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 = heap_alloc( 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 );
heap_free( cls );
return hkey;
}
static HRESULT shellex_get_dataobj( LPSHELLEXECUTEINFOW sei, IDataObject **dataobj )
{
LPCITEMIDLIST pidllast = NULL;
IShellFolder *shf = NULL;
LPITEMIDLIST pidl = NULL;
HRESULT r = SE_ERR_DLLNOTFOUND;
if (sei->fMask & SEE_MASK_CLASSALL)
pidl = 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_IShellFolder, (LPVOID*)&shf, &pidllast );
if ( FAILED( r ) )
goto end;
r = IShellFolder_GetUIObjectOf( shf, NULL, 1, &pidllast,
&IID_IDataObject, NULL, (void**)dataobj );
end:
if ( pidl != sei->lpIDList )
ILFree( pidl );
if ( shf )
IShellFolder_Release( shf );
return r;
}
static HRESULT shellex_run_context_menu_default( IShellExtInit *obj,
LPSHELLEXECUTEINFOW sei )
{
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 = IShellExtInit_QueryInterface( obj, &IID_IContextMenu, (LPVOID*) &cm );
if ( FAILED( r ) )
return r;
hmenu = CreateMenu();
if ( !hmenu )
goto end;
/* the number of the last menu added is returned in r */
r = IContextMenu_QueryContextMenu( cm, 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 = ARRAY_SIZE(string);
string[0] = 0;
GetMenuItemInfoW( hmenu, i, TRUE, &info );
TRACE("menu %d %s %08x %08Ix %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 = IContextMenu_InvokeCommand( cm, (LPCMINVOKECOMMANDINFO) &ici );
TRACE("invoke command returned %08lx\n", r );
end:
if ( hmenu )
DestroyMenu( hmenu );
if ( cm )
IContextMenu_Release( cm );
return r;
}
static HRESULT shellex_load_object_and_run( HKEY hkey, LPCGUID guid, LPSHELLEXECUTEINFOW sei )
{
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_IShellExtInit, (LPVOID*)&obj );
if ( FAILED( r ) )
{
ERR("failed %08lx\n", r );
goto end;
}
r = shellex_get_dataobj( sei, &dataobj );
if ( FAILED( r ) )
{
ERR("failed to get data object\n");
goto end;
}
r = IShellExtInit_Initialize( obj, NULL, dataobj, hkey );
if ( FAILED( r ) )
goto end;
r = IShellExtInit_QueryInterface( obj, &IID_IObjectWithSite, (LPVOID*) &ows );
if ( FAILED( r ) )
goto end;
IObjectWithSite_SetSite( ows, NULL );
r = shellex_run_context_menu_default( obj, sei );
end:
if ( ows )
IObjectWithSite_Release( ows );
if ( dataobj )
IDataObject_Release( dataobj );
if ( obj )
IShellExtInit_Release( obj );
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, ARRAY_SIZE(szguid));
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, ARRAY_SIZE(wcmd), execCmd, wszApplicationName, psei->lpIDList, NULL, &resultLen);
if (!done && wszApplicationName[0])
{
lstrcatW(wcmd, L" ");
if (*wszApplicationName != '"')
{
lstrcatW(wcmd, L"\"");
lstrcatW(wcmd, wszApplicationName);
lstrcatW(wcmd, L"\"");
}
else
lstrcatW(wcmd, wszApplicationName);
}
if (resultLen > ARRAY_SIZE(wcmd))
ERR("Argify buffer not large enough... truncating\n");
return execfunc(wcmd, NULL, FALSE, psei, psei_out);
}
lstrcpyW(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 void SHELL_translate_idlist( LPSHELLEXECUTEINFOW sei, LPWSTR wszParameters, DWORD parametersLen, LPWSTR wszApplicationName, DWORD dwApplicationNameLen )
{
WCHAR buffer[MAX_PATH];
/* last chance to translate IDList: now also allow CLSID paths */
if (SUCCEEDED(SHELL_GetPathFromIDListForExecuteW(sei->lpIDList, buffer, ARRAY_SIZE(buffer)))) {
if (buffer[0]==':' && buffer[1]==':') {
/* open shell folder for the specified class GUID */
if (lstrlenW(buffer) + 1 > parametersLen)
ERR("parameters len exceeds buffer size (%i > %li), truncating\n",
lstrlenW(buffer) + 1, parametersLen);
lstrcpynW(wszParameters, buffer, parametersLen);
if (lstrlenW(L"explorer.exe") > dwApplicationNameLen)
ERR("application len exceeds buffer size (%li), truncating\n",
dwApplicationNameLen);
lstrcpynW(wszApplicationName, L"explorer.exe", dwApplicationNameLen);
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 */
lstrcpyW(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, sei->lpIDList, NULL, &resultLen);
if (resultLen > dwApplicationNameLen)
ERR("Argify buffer not large enough... truncating\n");
}
sei->fMask &= ~SEE_MASK_INVOKEIDLIST;
}
}
}
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 = heap_alloc(len * sizeof(WCHAR));
/* Must quote to handle case where cmd contains spaces,
* else security hole if malicious user creates executable file "C:\\Program"
*/
lstrcpyW(wszQuotedCmd, L"\"");
lstrcatW(wszQuotedCmd, wcmd);
lstrcatW(wszQuotedCmd, L"\"");
if (wszParameters[0]) {
lstrcatW(wszQuotedCmd, L" ");
lstrcatW(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);
heap_free(wszQuotedCmd);
return retval;
}
static UINT_PTR SHELL_execute_url( LPCWSTR lpFile, LPCWSTR wcmd, LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out, SHELL_ExecuteW32 execfunc )
{
UINT_PTR retval;
WCHAR *lpstrProtocol;
LPCWSTR lpstrRes;
INT iSize;
DWORD len;
lpstrRes = wcschr(lpFile, ':');
if (lpstrRes)
iSize = lpstrRes - lpFile;
else
iSize = lstrlenW(lpFile);
TRACE("Got URL: %s\n", debugstr_w(lpFile));
/* Looking for ...<protocol>\shell\<lpVerb>\command */
len = iSize + lstrlenW(L"\\shell\\") + lstrlenW(L"\\command") + 1;
if (psei->lpVerb && *psei->lpVerb)
len += lstrlenW(psei->lpVerb);
else
len += lstrlenW(L"open");
lpstrProtocol = heap_alloc(len * sizeof(WCHAR));
memcpy(lpstrProtocol, lpFile, iSize*sizeof(WCHAR));
lpstrProtocol[iSize] = '\0';
lstrcatW(lpstrProtocol, L"\\shell\\");
lstrcatW(lpstrProtocol, psei->lpVerb && *psei->lpVerb ? psei->lpVerb: L"open");
lstrcatW(lpstrProtocol, L"\\command");
retval = execute_from_key(lpstrProtocol, lpFile, NULL, psei->lpParameters,
wcmd, execfunc, psei, psei_out);
heap_free(lpstrProtocol);
return retval;
}
static void do_error_dialog( UINT_PTR retval, HWND hwnd )
{
WCHAR msg[2048];
int error_code=GetLastError();
if (retval == SE_ERR_NOASSOC)
LoadStringW(shell32_hInstance, IDS_SHLEXEC_NOASSOC, msg, ARRAY_SIZE(msg));
else
FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM, NULL, error_code, 0, msg, ARRAY_SIZE(msg), NULL);
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 = heap_alloc(len * sizeof(WCHAR));
if (!buf) return NULL;
len = ExpandEnvironmentStringsW(str, buf, len);
if (!len)
{
heap_free(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 = NULL;
DWORD dwApplicationNameLen = MAX_PATH+2;
DWORD parametersLen = ARRAY_SIZE(parametersBuffer);
DWORD wcmdLen = ARRAY_SIZE(wcmdBuffer);
DWORD len;
SHELLEXECUTEINFOW sei_tmp; /* modifiable copy of SHELLEXECUTEINFO struct */
WCHAR *env;
WCHAR wszKeyname[256];
LPCWSTR lpFile;
UINT_PTR retval = SE_ERR_NOASSOC;
/* make a local copy of the LPSHELLEXECUTEINFO structure and work with this from now on */
sei_tmp = *sei;
TRACE("mask=0x%08lx 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 = heap_alloc(dwApplicationNameLen*sizeof(WCHAR));
*wszApplicationName = '\0';
}
else if (*sei_tmp.lpFile == '\"' && sei_tmp.lpFile[(len = lstrlenW(sei_tmp.lpFile))-1] == '\"')
{
if(len-1 >= dwApplicationNameLen) dwApplicationNameLen = len;
wszApplicationName = heap_alloc(dwApplicationNameLen*sizeof(WCHAR));
memcpy(wszApplicationName, sei_tmp.lpFile+1, len*sizeof(WCHAR));
if(len > 2)
wszApplicationName[len-2] = '\0';
TRACE("wszApplicationName=%s\n",debugstr_w(wszApplicationName));
} else {
DWORD l = lstrlenW(sei_tmp.lpFile)+1;
if(l > dwApplicationNameLen) dwApplicationNameLen = l+1;
wszApplicationName = heap_alloc(dwApplicationNameLen*sizeof(WCHAR));
memcpy(wszApplicationName, sei_tmp.lpFile, l*sizeof(WCHAR));
}
wszParameters = parametersBuffer;
if (sei_tmp.lpParameters)
{
len = lstrlenW(sei_tmp.lpParameters) + 1;
if (len > parametersLen)
{
wszParameters = heap_alloc(len * sizeof(WCHAR));
parametersLen = len;
}
lstrcpyW(wszParameters, sei_tmp.lpParameters);
}
else
*wszParameters = '\0';
wszDir = dirBuffer;
if (sei_tmp.lpDirectory)
{
len = lstrlenW(sei_tmp.lpDirectory) + 1;
if (len > ARRAY_SIZE(dirBuffer))
wszDir = heap_alloc(len * sizeof(WCHAR));
lstrcpyW(wszDir, sei_tmp.lpDirectory);
}
else
*wszDir = '\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)
{
FIXME("flags ignored: 0x%08lx\n", sei_tmp.fMask & unsupportedFlags);
}
/* process the IDList */
if (sei_tmp.fMask & SEE_MASK_IDLIST)
{
IShellExecuteHookW* pSEH;
HRESULT hr = SHBindToParent(sei_tmp.lpIDList, &IID_IShellExecuteHookW, (LPVOID*)&pSEH, NULL);
if (SUCCEEDED(hr))
{
hr = IShellExecuteHookW_Execute(pSEH, &sei_tmp);
IShellExecuteHookW_Release(pSEH);
if (hr == S_OK) {
heap_free(wszApplicationName);
if (wszParameters != parametersBuffer)
heap_free(wszParameters);
if (wszDir != dirBuffer)
heap_free(wszDir);
return TRUE;
}
}
SHGetPathFromIDListW(sei_tmp.lpIDList, wszApplicationName);
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)
{
retval = SE_ERR_OOM;
goto end;
}
heap_free(wszApplicationName);
sei_tmp.lpFile = wszApplicationName = tmp;
tmp = expand_environment(sei_tmp.lpDirectory);
if (!tmp)
{
retval = SE_ERR_OOM;
goto end;
}
if (wszDir != dirBuffer)
heap_free(wszDir);
sei_tmp.lpDirectory = wszDir = tmp;
}
if ( ERROR_SUCCESS == ShellExecute_FromContextMenu( &sei_tmp ) )
{
sei->hInstApp = (HINSTANCE) 33;
heap_free(wszApplicationName);
if (wszParameters != parametersBuffer)
heap_free(wszParameters);
if (wszDir != dirBuffer)
heap_free(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))
do_error_dialog(retval, sei_tmp.hwnd);
heap_free(wszApplicationName);
if (wszParameters != parametersBuffer)
heap_free(wszParameters);
if (wszDir != dirBuffer)
heap_free(wszDir);
return retval > 32;
}
/* Has the IDList not yet been translated? */
if (sei_tmp.fMask & SEE_MASK_IDLIST)
{
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 = heap_alloc(size * sizeof(WCHAR));
if (!buf || FAILED(PathCreateFromUrlW(sei_tmp.lpFile, buf, &size, 0))) {
heap_free(buf);
retval = SE_ERR_OOM;
goto end;
}
heap_free(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 = heap_alloc((len + 1) * sizeof(WCHAR));
ExpandEnvironmentStringsW(sei_tmp.lpFile, buf, len + 1);
heap_free(wszApplicationName);
wszApplicationName = buf;
sei_tmp.lpFile = wszApplicationName;
}
}
if (*sei_tmp.lpDirectory)
{
len = ExpandEnvironmentStringsW(sei_tmp.lpDirectory, NULL, 0);
if (len > 0)
{
LPWSTR buf;
len++;
buf = heap_alloc(len * sizeof(WCHAR));
ExpandEnvironmentStringsW(sei_tmp.lpDirectory, buf, len);
if (wszDir != dirBuffer)
heap_free(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));
lpFile = sei_tmp.lpFile;
wcmd = wcmdBuffer;
len = lstrlenW(wszApplicationName) + 3;
if (sei_tmp.lpParameters[0])
len += 1 + lstrlenW(wszParameters);
if (len > wcmdLen)
{
wcmd = heap_alloc(len * sizeof(WCHAR));
wcmdLen = len;
}
lstrcpyW(wcmd, wszApplicationName);
if (sei_tmp.lpDirectory)
{
LPCWSTR searchPath[] = {
sei_tmp.lpDirectory,
NULL
};
PathFindOnPathW(wcmd, searchPath);
}
retval = SHELL_quote_and_execute( wcmd, wszParameters, L"",
wszApplicationName, NULL, &sei_tmp,
sei, execfunc );
if (retval > 32) {
heap_free(wszApplicationName);
if (wszParameters != parametersBuffer)
heap_free(wszParameters);
if (wszDir != dirBuffer)
heap_free(wszDir);
if (wcmd != wcmdBuffer)
heap_free(wcmd);
return TRUE;
}
/* Else, try to find the executable */
wcmd[0] = '\0';
retval = SHELL_FindExecutable(sei_tmp.lpDirectory, lpFile, sei_tmp.lpVerb, wcmd, wcmdLen, wszKeyname, &env, sei_tmp.lpIDList, sei_tmp.lpParameters);
if (retval > 32) /* Found */
{
retval = SHELL_quote_and_execute( wcmd, wszParameters, wszKeyname,
wszApplicationName, env, &sei_tmp,
sei, execfunc );
heap_free( env );
}
else if (PathIsDirectoryW(lpFile))
{
WCHAR wExec[MAX_PATH];
WCHAR * lpQuotedFile = heap_alloc( sizeof(WCHAR) * (lstrlenW(lpFile) + 3) );
if (lpQuotedFile)
{
retval = SHELL_FindExecutable( sei_tmp.lpDirectory, L"explorer",
L"open", wExec, MAX_PATH,
NULL, &env, NULL, NULL );
if (retval > 32)
{
lstrcpyW(lpQuotedFile, L"\"");
lstrcatW(lpQuotedFile, lpFile);
lstrcatW(lpQuotedFile, L"\"");
retval = SHELL_quote_and_execute( wExec, lpQuotedFile,
wszKeyname,
wszApplicationName, env,
&sei_tmp, sei, execfunc );
heap_free( env );
}
heap_free( 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 (!wcsnicmp(lpFile, L"www", 3))
{
/* if so, prefix lpFile with http:// and call ShellExecute */
WCHAR lpstrTmpFile[256];
lstrcpyW(lpstrTmpFile, L"http://");
lstrcatW(lpstrTmpFile, lpFile);
retval = (UINT_PTR)ShellExecuteW(sei_tmp.hwnd, sei_tmp.lpVerb, lpstrTmpFile, NULL, NULL, 0);
}
end:
TRACE("retval %Iu\n", retval);
heap_free(wszApplicationName);
if (wszParameters != parametersBuffer)
heap_free(wszParameters);
if (wszDir != dirBuffer)
heap_free(wszDir);
if (wcmd != wcmdBuffer)
heap_free(wcmd);
sei->hInstApp = (HINSTANCE)(retval > 32 ? 33 : retval);
if (retval <= 32 && !(sei_tmp.fMask & SEE_MASK_FLAG_NO_UI))
do_error_dialog(retval, sei_tmp.hwnd);
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.
*/
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, callback );
SHFree(wVerb);
SHFree(wFile);
SHFree(wParameters);
SHFree(wDirectory);
return seiW.hInstApp;
}
/*************************************************************************
* ShellExec_RunDLLW [SHELL32.@]
*/
void WINAPI ShellExec_RunDLLW(HWND hwnd, HINSTANCE instance, WCHAR *cmdline, int cmdshow)
{
BOOL in_single_quotes = FALSE, in_double_quotes = FALSE;
WCHAR *args;
TRACE("%p, %p, %s, %d\n", hwnd, instance, debugstr_w(cmdline), cmdshow);
/* Replace the first whitespace character in the command line string with a
null terminator to separate the program name from the program arguments */
for (args = cmdline; *args; args++)
{
switch (*args)
{
case '\\':
args++; /* skip the next character */
break;
case '\'':
if (!in_double_quotes)
in_single_quotes = !in_single_quotes;
break;
case '"':
if (!in_single_quotes)
in_double_quotes = !in_double_quotes;
break;
case ' ':
case '\t':
if (!in_single_quotes && !in_double_quotes)
{
*args = 0;
args++;
goto execute;
}
}
}
execute:
ShellExecuteW(hwnd, NULL, cmdline, args, NULL, cmdshow);
}
/*************************************************************************
* ShellExec_RunDLLA [SHELL32.@]
*/
void WINAPI ShellExec_RunDLLA(HWND hwnd, HINSTANCE instance, CHAR *cmdline, int cmdshow)
{
WCHAR *cmdlineW;
ShellExec_RunDLLW(hwnd, instance, __SHCloneStrAtoW(&cmdlineW, cmdline), cmdshow);
SHFree(cmdlineW);
}
/*************************************************************************
* OpenAs_RunDLLA [SHELL32.@]
*/
void WINAPI OpenAs_RunDLLA(HWND hwnd, HINSTANCE hinst, LPCSTR cmdline, int cmdshow)
{
FIXME("%p, %p, %s, %d\n", hwnd, hinst, debugstr_a(cmdline), cmdshow);
}
/*************************************************************************
* OpenAs_RunDLLW [SHELL32.@]
*/
void WINAPI OpenAs_RunDLLW(HWND hwnd, HINSTANCE hinst, LPCWSTR cmdline, int cmdshow)
{
FIXME("%p, %p, %s, %d\n", hwnd, hinst, debugstr_w(cmdline), cmdshow);
}
/*************************************************************************
* RegenerateUserEnvironment [SHELL32.@]
*/
BOOL WINAPI RegenerateUserEnvironment(WCHAR *wunknown, BOOL bunknown)
{
FIXME("stub: %p, %d\n", wunknown, bunknown);
return FALSE;
}
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