Sweden-Number/dlls/shell32/shlexec.c

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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
#include <assert.h>
#include "windef.h"
#include "winerror.h"
#include "winreg.h"
#include "shellapi.h"
#include "shlobj.h"
#include "shlwapi.h"
#include "ddeml.h"
#include "wine/winbase16.h"
#include "shell32_main.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(exec);
/* 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
+ + %* seem to report to all parameter (or all remaining, ie after removing
* the already used %1 %2...)
* + %L seems to be %1 as long filename followed by the 8+3 variation
* + %l unknown
* + %S unknown
* + %I unknown
*/
static void argify(char* res, int len, const char* fmt, const char* lpFile)
{
char xlpFile[1024];
while (*fmt)
{
if (*fmt == '%')
{
switch (*++fmt)
{
case '\0':
case '%':
*res++ = '%';
break;
case '1':
if (SearchPathA(NULL, lpFile, ".exe", sizeof(xlpFile), xlpFile, NULL))
{
strcpy(res, xlpFile);
res += strlen(xlpFile);
}
else
{
strcpy(res, lpFile);
res += strlen(lpFile);
}
break;
default: FIXME("Unknown escape sequence %%%c\n", *fmt);
}
fmt++;
}
else
*res++ = *fmt++;
}
*res = '\0';
}
/*************************************************************************
* SHELL_FindExecutable [Internal]
*
* Utility for code sharing between FindExecutable and ShellExecute
* in:
* lpFile the name of a file
* lpOperation 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 HINSTANCE SHELL_FindExecutable(LPCSTR lpFile, LPCSTR lpOperation,
LPSTR lpResult, LPSTR key)
{
char *extension = NULL; /* pointer to file extension */
char tmpext[5]; /* local copy to mung as we please */
char filetype[256]; /* registry name for this filetype */
LONG filetypelen = 256; /* length of above */
char command[256]; /* command from registry */
LONG commandlen = 256; /* This is the most DOS can handle :) */
char buffer[256]; /* Used to GetProfileString */
HINSTANCE retval = 31; /* default - 'No association was found' */
char *tok; /* token pointer */
int i; /* random counter */
char xlpFile[256] = ""; /* result of SearchPath */
TRACE("%s\n", (lpFile != NULL) ? lpFile : "-");
lpResult[0] = '\0'; /* Start off with an empty return string */
/* trap NULL parameters on entry */
if ((lpFile == NULL) || (lpResult == NULL) || (lpOperation == NULL))
{
WARN("(lpFile=%s,lpResult=%s,lpOperation=%s): NULL parameter\n",
lpFile, lpOperation, lpResult);
return 2; /* File not found. Close enough, I guess. */
}
if (SearchPathA(NULL, lpFile, ".exe", sizeof(xlpFile), xlpFile, NULL))
{
TRACE("SearchPathA returned non-zero\n");
lpFile = xlpFile;
}
/* First thing we need is the file's extension */
extension = strrchr(xlpFile, '.'); /* Assume last "." is the one; */
/* File->Run in progman uses */
/* .\FILE.EXE :( */
TRACE("xlpFile=%s,extension=%s\n", xlpFile, extension);
if ((extension == NULL) || (extension == &xlpFile[strlen(xlpFile)]))
{
WARN("Returning 31 - No association\n");
return 31; /* no association */
}
/* Make local copy & lowercase it for reg & 'programs=' lookup */
lstrcpynA(tmpext, extension, 5);
CharLowerA(tmpext);
TRACE("%s file\n", tmpext);
/* Three places to check: */
/* 1. win.ini, [windows], programs (NB no leading '.') */
/* 2. Registry, HKEY_CLASS_ROOT\<filetype>\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. */
if (key) *key = '\0';
/* 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 (GetProfileStringA("windows", "programs", "exe pif bat com",
buffer, sizeof(buffer)) > 0)
{
for (i = 0;i<strlen(buffer); i++) buffer[i] = tolower(buffer[i]);
tok = strtok(buffer, " \t"); /* ? */
while (tok!= NULL)
{
if (strcmp(tok, &tmpext[1]) == 0) /* have to skip the leading "." */
{
strcpy(lpResult, xlpFile);
/* Need to perhaps check that the file has a path
* attached */
TRACE("found %s\n", lpResult);
return 33;
/* Greater than 32 to indicate success FIXME According to the
* docs, I should be returning a handle for the
* executable. Does this mean I'm supposed to open the
* executable file or something? More RTFM, I guess... */
}
tok = strtok(NULL, " \t");
}
}
/* Check registry */
if (RegQueryValueA(HKEY_CLASSES_ROOT, tmpext, filetype,
&filetypelen) == ERROR_SUCCESS)
{
filetype[filetypelen] = '\0';
TRACE("File type: %s\n", filetype);
/* Looking for ...buffer\shell\lpOperation\command */
strcat(filetype, "\\shell\\");
strcat(filetype, lpOperation);
strcat(filetype, "\\command");
if (RegQueryValueA(HKEY_CLASSES_ROOT, filetype, command,
&commandlen) == ERROR_SUCCESS)
{
if (key) strcpy(key, filetype);
#if 0
LPSTR tmp;
char param[256];
LONG paramlen = 256;
/* 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 = strstr(filetype, "command");
tmp[0] = '\0';
strcat(filetype, "ddeexec");
if (RegQueryValueA(HKEY_CLASSES_ROOT, filetype, param, &paramlen) == ERROR_SUCCESS)
{
strcat(command, " ");
strcat(command, param);
commandlen += paramlen;
}
#endif
command[commandlen] = '\0';
argify(lpResult, sizeof(lpResult), command, xlpFile);
retval = 33; /* FIXME see above */
}
}
else /* Check win.ini */
{
/* Toss the leading dot */
extension++;
if (GetProfileStringA("extensions", extension, "", command,
sizeof(command)) > 0)
{
if (strlen(command) != 0)
{
strcpy(lpResult, command);
tok = strstr(lpResult, "^"); /* should be ^.extension? */
if (tok != NULL)
{
tok[0] = '\0';
strcat(lpResult, xlpFile); /* what if no dir in xlpFile? */
tok = strstr(command, "^"); /* see above */
if ((tok != NULL) && (strlen(tok)>5))
{
strcat(lpResult, &tok[5]);
}
}
retval = 33; /* FIXME - see above */
}
}
}
TRACE("returning %s\n", lpResult);
return retval;
}
/******************************************************************
* dde_cb
*
* callback for the DDE connection. not really usefull
*/
static HDDEDATA CALLBACK dde_cb(UINT uType, UINT uFmt, HCONV hConv,
HSZ hsz1, HSZ hsz2,
HDDEDATA hData, DWORD dwData1, DWORD dwData2)
{
return (HDDEDATA)0;
}
/******************************************************************
* 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(char* key, char* start, char* ddeexec,
const char* lpFile,
int iCmdShow, BOOL is32)
{
char* endkey = key + strlen(key);
char app[256], topic[256], ifexec[256], res[256];
LONG applen, topiclen, ifexeclen;
char* exec;
DWORD ddeInst = 0;
DWORD tid;
HSZ hszApp, hszTopic;
HCONV hConv;
unsigned ret = 31;
strcpy(endkey, "\\application");
applen = sizeof(app);
if (RegQueryValueA(HKEY_CLASSES_ROOT, key, app, &applen) != ERROR_SUCCESS)
{
FIXME("default app name NIY %s\n", key);
return 2;
}
strcpy(endkey, "\\topic");
topiclen = sizeof(topic);
if (RegQueryValueA(HKEY_CLASSES_ROOT, key, topic, &topiclen) != ERROR_SUCCESS)
{
strcpy(topic, "System");
}
if (DdeInitializeA(&ddeInst, dde_cb, APPCMD_CLIENTONLY, 0L) != DMLERR_NO_ERROR)
{
return 2;
}
hszApp = DdeCreateStringHandleA(ddeInst, app, CP_WINANSI);
hszTopic = DdeCreateStringHandleA(ddeInst, topic, CP_WINANSI);
hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
exec = ddeexec;
if (!hConv)
{
TRACE("Launching '%s'\n", start);
ret = (is32) ? WinExec(start, iCmdShow) : WinExec16(start, iCmdShow);
if (ret < 32)
{
TRACE("Couldn't launch\n");
goto error;
}
hConv = DdeConnect(ddeInst, hszApp, hszTopic, NULL);
if (!hConv)
{
ret = 30; /* whatever */
goto error;
}
strcpy(endkey, "\\ifexec");
ifexeclen = sizeof(ifexec);
if (RegQueryValueA(HKEY_CLASSES_ROOT, key, ifexec, &ifexeclen) == ERROR_SUCCESS)
{
exec = ifexec;
}
}
argify(res, sizeof(res), exec, lpFile);
TRACE("%s %s => %s\n", exec, lpFile, res);
ret = (DdeClientTransaction(res, strlen(res) + 1, hConv, 0L, 0,
XTYP_EXECUTE, 10000, &tid) != DMLERR_NO_ERROR) ? 31 : 32;
DdeDisconnect(hConv);
error:
DdeUninitialize(ddeInst);
return ret;
}
static HINSTANCE execute_from_key(LPSTR key, LPCSTR lpFile, INT iShowCmd, BOOL is32)
{
char cmd[1024] = "";
LONG cmdlen = sizeof(cmd);
HINSTANCE retval = 31;
/* Get the application for the registry */
if (RegQueryValueA(HKEY_CLASSES_ROOT, key, cmd, &cmdlen) == ERROR_SUCCESS)
{
LPSTR tmp;
char param[256] = "";
LONG paramlen = 256;
/* Get the parameters needed by the application
from the associated ddeexec key */
tmp = strstr(key, "command");
assert(tmp);
strcpy(tmp, "ddeexec");
if (RegQueryValueA(HKEY_CLASSES_ROOT, key, param, &paramlen) == ERROR_SUCCESS)
{
TRACE("Got ddeexec %s => %s\n", key, param);
retval = dde_connect(key, cmd, param, lpFile, iShowCmd, is32);
}
else
{
/* Is there a replace() function anywhere? */
cmd[cmdlen] = '\0';
argify(param, sizeof(param), cmd, lpFile);
retval = (is32) ? WinExec(param, iShowCmd) : WinExec16(param, iShowCmd);
}
}
else TRACE("ooch\n");
return retval;
}
static HINSTANCE SHELL_Execute(HWND hWnd, LPCSTR lpOperation, LPCSTR lpFile,
LPCSTR lpParameters, LPCSTR lpDirectory,
INT iShowCmd, BOOL is32)
{
HINSTANCE retval = 31;
char old_dir[1024];
char cmd[1024];
TRACE("(%04x,'%s','%s','%s','%s',%x)\n",
hWnd, lpOperation ? lpOperation:"<null>", lpFile ? lpFile:"<null>",
lpParameters ? lpParameters : "<null>",
lpDirectory ? lpDirectory : "<null>", iShowCmd);
if (lpFile == NULL) return 0; /* should not happen */
if (lpOperation == NULL) /* default is open */
lpOperation = "open";
if (lpDirectory)
{
GetCurrentDirectoryA(sizeof(old_dir), old_dir);
SetCurrentDirectoryA(lpDirectory);
}
/* First try to execute lpFile with lpParameters directly */
strcpy(cmd, lpFile);
if (lpParameters)
{
strcat(cmd, " ");
strcat(cmd, lpParameters);
}
retval = (is32) ? WinExec(cmd, iShowCmd) : WinExec16(cmd, iShowCmd);
/* Unable to execute lpFile directly
Check if we can match an application to lpFile */
if (retval < 32)
{
char lpstrProtocol[256];
cmd[0] = '\0';
retval = SHELL_FindExecutable(lpFile, lpOperation, cmd, lpstrProtocol);
if (retval > 32) /* Found */
{
TRACE("%s/%s => %s/%s\n", lpFile, lpOperation, cmd, lpstrProtocol);
if (*lpstrProtocol)
retval = execute_from_key(lpstrProtocol, lpFile, iShowCmd, is32);
else
retval = (is32) ? WinExec(cmd, iShowCmd) : WinExec16(cmd, iShowCmd);
}
else if (PathIsURLA((LPSTR)lpFile)) /* File not found, check for URL */
{
LPSTR lpstrRes;
INT iSize;
lpstrRes = strchr(lpFile, ':');
iSize = lpstrRes - lpFile;
TRACE("Got URL: %s\n", lpFile);
/* Looking for ...protocol\shell\lpOperation\command */
strncpy(lpstrProtocol, lpFile, iSize);
lpstrProtocol[iSize] = '\0';
strcat(lpstrProtocol, "\\shell\\");
strcat(lpstrProtocol, lpOperation);
strcat(lpstrProtocol, "\\command");
/* Remove File Protocol from lpFile */
/* In the case file://path/file */
if (!strncasecmp(lpFile, "file", iSize))
{
lpFile += iSize;
while (*lpFile == ':') lpFile++;
}
retval = execute_from_key(lpstrProtocol, lpFile, iShowCmd, is32);
}
/* Check if file specified is in the form www.??????.*** */
else if (!strncasecmp(lpFile, "www", 3))
{
/* if so, append lpFile http:// and call ShellExecute */
char lpstrTmpFile[256] = "http://" ;
strcat(lpstrTmpFile, lpFile);
retval = ShellExecuteA(hWnd, lpOperation, lpstrTmpFile, NULL, NULL, 0);
}
}
if (lpDirectory)
SetCurrentDirectoryA(old_dir);
return retval;
}
/*************************************************************************
* FindExecutableA [SHELL32.@]
*/
HINSTANCE WINAPI FindExecutableA(LPCSTR lpFile, LPCSTR lpDirectory, LPSTR lpResult)
{
HINSTANCE retval = 31; /* default - 'No association was found' */
char old_dir[1024];
TRACE("File %s, Dir %s\n",
(lpFile != NULL ? lpFile : "-"), (lpDirectory != NULL ? lpDirectory : "-"));
lpResult[0] = '\0'; /* Start off with an empty return string */
/* trap NULL parameters on entry */
if ((lpFile == NULL) || (lpResult == NULL))
{
/* FIXME - should throw a warning, perhaps! */
return 2; /* File not found. Close enough, I guess. */
}
if (lpDirectory)
{
GetCurrentDirectoryA(sizeof(old_dir), old_dir);
SetCurrentDirectoryA(lpDirectory);
}
retval = SHELL_FindExecutable(lpFile, "open", lpResult, NULL);
TRACE("returning %s\n", lpResult);
if (lpDirectory)
SetCurrentDirectoryA(old_dir);
return retval;
}
/*************************************************************************
* FindExecutableW [SHELL32.@]
*/
HINSTANCE WINAPI FindExecutableW(LPCWSTR lpFile, LPCWSTR lpDirectory, LPWSTR lpResult)
{
FIXME("(%p,%p,%p): stub\n", lpFile, lpDirectory, lpResult);
return 31; /* default - 'No association was found' */
}
/*************************************************************************
* ShellExecute [SHELL.20]
*/
HINSTANCE16 WINAPI ShellExecute16( HWND16 hWnd, LPCSTR lpOperation,
LPCSTR lpFile, LPCSTR lpParameters,
LPCSTR lpDirectory, INT16 iShowCmd )
{
return (HINSTANCE16)SHELL_Execute(hWnd, lpOperation, lpFile,
lpParameters, lpDirectory, iShowCmd, FALSE );
}
/*************************************************************************
* ShellExecuteA [SHELL32.290]
*/
HINSTANCE WINAPI ShellExecuteA(HWND hWnd, LPCSTR lpOperation,LPCSTR lpFile,
LPCSTR lpParameters,LPCSTR lpDirectory, INT iShowCmd)
{
TRACE("\n");
return SHELL_Execute( hWnd, lpOperation, lpFile, lpParameters,
lpDirectory, iShowCmd, TRUE );
}
/*************************************************************************
* ShellExecuteW [SHELL32.294]
* from shellapi.h
* WINSHELLAPI HINSTANCE APIENTRY ShellExecuteW(HWND hwnd, LPCWSTR lpOperation,
* LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd);
*/
HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpOperation, LPCWSTR lpFile,
LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
{
FIXME(": stub\n");
return 0;
}