Sweden-Number/programs/winebrowser/main.c

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/*
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* winebrowser - winelib app to launch native OS browser or mail client.
*
* Copyright (C) 2004 Chris Morgan
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* Copyright (C) 2005 Hans Leidekker
*
* 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
*
* NOTES:
* Winebrowser is a winelib application that will start the appropriate
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* native browser or mail client for a wine installation that lacks a
* windows browser/mail client. For example, you will be able to open
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* URLs via native mozilla if no browser has yet been installed in wine.
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*
* The application to launch is chosen from a default set or, if set,
* taken from a registry key.
*
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* The argument may be a regular Windows file name, a file URL, an
* URL or a mailto URL. In the first three cases the argument
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* will be fed to a web browser. In the last case the argument is fed
* to a mail client. A mailto URL is composed as follows:
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*
* mailto:[E-MAIL]?subject=[TOPIC]&cc=[E-MAIL]&bcc=[E-MAIL]&body=[TEXT]
*/
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#define WIN32_LEAN_AND_MEAN
#define COBJMACROS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
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#include <ntstatus.h>
#define WIN32_NO_STATUS
#include <windows.h>
#include <winternl.h>
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#include <shlwapi.h>
#include <shellapi.h>
#include <urlmon.h>
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#include <ddeml.h>
#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(winebrowser);
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static char *strdup_unixcp( const WCHAR *str )
{
char *ret;
int len = WideCharToMultiByte( CP_UNIXCP, 0, str, -1, NULL, 0, NULL, NULL );
if ((ret = malloc( len )))
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WideCharToMultiByte( CP_UNIXCP, 0, str, -1, ret, len, NULL, NULL );
return ret;
}
/* try to launch a unix app from a comma separated string of app names */
static int launch_app( const WCHAR *candidates, const WCHAR *argv1 )
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{
char *cmdline;
int i, count;
char **argv_new;
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if (!(cmdline = strdup_unixcp( argv1 ))) return 1;
while (*candidates)
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{
WCHAR **args = CommandLineToArgvW( candidates, &count );
if (!(argv_new = malloc( (count + 2) * sizeof(*argv_new) ))) break;
for (i = 0; i < count; i++) argv_new[i] = strdup_unixcp( args[i] );
argv_new[count] = cmdline;
argv_new[count + 1] = NULL;
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TRACE( "Trying" );
for (i = 0; i <= count; i++) TRACE( " %s", wine_dbgstr_a( argv_new[i] ));
TRACE( "\n" );
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if (!__wine_unix_spawnvp( argv_new, FALSE )) ExitProcess(0);
for (i = 0; i < count; i++) free( argv_new[i] );
free( argv_new );
candidates += lstrlenW( candidates ) + 1; /* grab the next app */
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}
WINE_ERR( "could not find a suitable app to open %s\n", debugstr_w( argv1 ));
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free( cmdline );
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return 1;
}
static LSTATUS get_commands( HKEY key, const WCHAR *value, WCHAR *buffer, DWORD size )
{
DWORD type;
LSTATUS res;
size -= sizeof(WCHAR);
if (!(res = RegQueryValueExW( key, value, 0, &type, (LPBYTE)buffer, &size )) && (type == REG_SZ))
{
/* convert to REG_MULTI_SZ type */
WCHAR *p = buffer;
p[lstrlenW(p) + 1] = 0;
while ((p = wcschr( p, ',' ))) *p++ = 0;
}
return res;
}
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static int open_http_url( const WCHAR *url )
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{
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static const WCHAR defaultbrowsers[] =
L"xdg-open\0"
"/usr/bin/open\0"
"firefox\0"
"konqueror\0"
"mozilla\0"
"opera\0"
"dillo\0";
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WCHAR browsers[256];
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HKEY key;
LONG r;
/* @@ Wine registry key: HKCU\Software\Wine\WineBrowser */
if (!(r = RegOpenKeyW( HKEY_CURRENT_USER, L"Software\\Wine\\WineBrowser", &key )))
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{
r = get_commands( key, L"Browsers", browsers, sizeof(browsers) );
RegCloseKey( key );
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}
if (r != ERROR_SUCCESS)
memcpy( browsers, defaultbrowsers, sizeof(defaultbrowsers) );
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return launch_app( browsers, url );
}
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static int open_mailto_url( const WCHAR *url )
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{
static const WCHAR defaultmailers[] =
L"/usr/bin/open\0"
"xdg-email\0"
"mozilla-thunderbird\0"
"thunderbird\0"
"evolution\0";
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WCHAR mailers[256];
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HKEY key;
LONG r;
/* @@ Wine registry key: HKCU\Software\Wine\WineBrowser */
if (!(r = RegOpenKeyW( HKEY_CURRENT_USER, L"Software\\Wine\\WineBrowser", &key )))
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{
r = get_commands( key, L"Mailers", mailers, sizeof(mailers) );
RegCloseKey( key );
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}
if (r != ERROR_SUCCESS)
memcpy( mailers, defaultmailers, sizeof(defaultmailers) );
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return launch_app( mailers, url );
}
static int open_invalid_url( const WCHAR *url )
{
WCHAR *url_prefixed;
int ret;
url_prefixed = malloc( (ARRAY_SIZE(L"http://") + lstrlenW( url )) * sizeof(WCHAR) );
if (!url_prefixed)
{
WINE_ERR("Out of memory\n");
return 1;
}
lstrcpyW( url_prefixed, L"http://" );
lstrcatW( url_prefixed, url );
ret = open_http_url( url_prefixed );
free( url_prefixed );
return ret;
}
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/*****************************************************************************
* DDE helper functions.
*/
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static WCHAR *ddeString = NULL;
static HSZ hszTopic = 0, hszReturn = 0;
static DWORD ddeInst = 0;
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/* Dde callback, save the execute or request string for processing */
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static HDDEDATA CALLBACK ddeCb(UINT uType, UINT uFmt, HCONV hConv,
HSZ hsz1, HSZ hsz2, HDDEDATA hData,
ULONG_PTR dwData1, ULONG_PTR dwData2)
{
DWORD size = 0, ret = 0;
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WINE_TRACE("dde_cb: %04x, %04x, %p, %p, %p, %p, %08Ix, %08Ix\n",
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uType, uFmt, hConv, hsz1, hsz2, hData, dwData1, dwData2);
switch (uType)
{
case XTYP_CONNECT:
if (!DdeCmpStringHandles(hsz1, hszTopic))
return (HDDEDATA)TRUE;
return (HDDEDATA)FALSE;
case XTYP_EXECUTE:
if (!(size = DdeGetData(hData, NULL, 0, 0)))
WINE_ERR("DdeGetData returned zero size of execute string\n");
else if (!(ddeString = malloc(size)))
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WINE_ERR("Out of memory\n");
else if (DdeGetData(hData, (LPBYTE)ddeString, size, 0) != size)
WINE_WARN("DdeGetData did not return %ld bytes\n", size);
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DdeFreeDataHandle(hData);
return (HDDEDATA)DDE_FACK;
case XTYP_REQUEST:
ret = -3; /* error */
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if (!(size = DdeQueryStringW(ddeInst, hsz2, NULL, 0, CP_WINUNICODE)))
WINE_ERR("DdeQueryString returned zero size of request string\n");
else if (!(ddeString = malloc( (size + 1) * sizeof(WCHAR))))
WINE_ERR("Out of memory\n");
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else if (DdeQueryStringW(ddeInst, hsz2, ddeString, size + 1, CP_WINUNICODE) != size)
WINE_WARN("DdeQueryString did not return %ld characters\n", size);
else
ret = -2; /* acknowledgment */
return DdeCreateDataHandle(ddeInst, (LPBYTE)&ret, sizeof(ret), 0,
hszReturn, CF_TEXT, 0);
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default:
return NULL;
}
}
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static WCHAR *get_url_from_dde(void)
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{
HSZ hszApplication = 0;
UINT_PTR timer = 0;
int rc;
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WCHAR *ret = NULL;
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rc = DdeInitializeW(&ddeInst, ddeCb, CBF_SKIP_ALLNOTIFICATIONS | CBF_FAIL_ADVISES | CBF_FAIL_POKES, 0);
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if (rc != DMLERR_NO_ERROR)
{
WINE_ERR("Unable to initialize DDE, DdeInitialize returned %d\n", rc);
goto done;
}
hszApplication = DdeCreateStringHandleW(ddeInst, L"IExplore", CP_WINUNICODE);
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if (!hszApplication)
{
WINE_ERR("Unable to initialize DDE, DdeCreateStringHandle failed\n");
goto done;
}
hszTopic = DdeCreateStringHandleW(ddeInst, L"WWW_OpenURL", CP_WINUNICODE);
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if (!hszTopic)
{
WINE_ERR("Unable to initialize DDE, DdeCreateStringHandle failed\n");
goto done;
}
hszReturn = DdeCreateStringHandleW(ddeInst, L"Return", CP_WINUNICODE);
if (!hszReturn)
{
WINE_ERR("Unable to initialize DDE, DdeCreateStringHandle failed\n");
goto done;
}
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if (!DdeNameService(ddeInst, hszApplication, 0, DNS_REGISTER))
{
WINE_ERR("Unable to initialize DDE, DdeNameService failed\n");
goto done;
}
timer = SetTimer(NULL, 0, 5000, NULL);
if (!timer)
{
WINE_ERR("SetTimer failed to create timer\n");
goto done;
}
while (!ddeString)
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{
MSG msg;
if (!GetMessageW(&msg, NULL, 0, 0)) break;
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if (msg.message == WM_TIMER) break;
DispatchMessageW(&msg);
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}
if (ddeString)
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{
if (*ddeString == '"')
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{
WCHAR *endquote = wcschr(ddeString + 1, '"');
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if (!endquote)
{
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WINE_ERR("Unable to retrieve URL from string %s\n", wine_dbgstr_w(ddeString));
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goto done;
}
*endquote = 0;
ret = ddeString+1;
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}
else
ret = ddeString;
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}
done:
if (timer) KillTimer(NULL, timer);
if (ddeInst)
{
if (hszTopic && hszApplication) DdeNameService(ddeInst, hszApplication, 0, DNS_UNREGISTER);
if (hszReturn) DdeFreeStringHandle(ddeInst, hszReturn);
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if (hszTopic) DdeFreeStringHandle(ddeInst, hszTopic);
if (hszApplication) DdeFreeStringHandle(ddeInst, hszApplication);
DdeUninitialize(ddeInst);
}
return ret;
}
static WCHAR *encode_unix_path(const char *src)
{
WCHAR *dst, *tmp_dst;
static const char safe_chars[] = "/-_.~@&=+$,:";
static const char hex_digits[] = "0123456789ABCDEF";
dst = malloc( sizeof(L"file://") + 3 * strlen(src) * sizeof(WCHAR) );
lstrcpyW(dst, L"file://");
tmp_dst = dst + lstrlenW(dst);
while (*src != 0)
{
if ((*src >= 'a' && *src <= 'z') ||
(*src >= 'A' && *src <= 'Z') ||
(*src >= '0' && *src <= '9') ||
strchr(safe_chars, *src))
{
*tmp_dst++ = *src;
}
else
{
*tmp_dst++ = '%';
*tmp_dst++ = hex_digits[*(unsigned char*)src / 16];
*tmp_dst++ = hex_digits[*src & 0xf];
}
src++;
}
*tmp_dst = 0;
return dst;
}
static WCHAR *convert_file_uri(IUri *uri)
{
UNICODE_STRING nt_name;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
ULONG size = 256;
char *buffer;
WCHAR *new_path = NULL;
BSTR filename;
HRESULT hres;
hres = IUri_GetPath(uri, &filename);
if(FAILED(hres))
return NULL;
WINE_TRACE("Windows path: %s\n", wine_dbgstr_w(filename));
if (!RtlDosPathNameToNtPathName_U( filename, &nt_name, NULL, NULL )) return NULL;
InitializeObjectAttributes( &attr, &nt_name, 0, 0, NULL );
for (;;)
{
if (!(buffer = malloc( size )))
{
RtlFreeUnicodeString( &nt_name );
return NULL;
}
status = wine_nt_to_unix_file_name( &attr, buffer, &size, FILE_OPEN );
if (status != STATUS_BUFFER_TOO_SMALL) break;
free( buffer );
}
if (!status) new_path = encode_unix_path( buffer );
SysFreeString(filename);
free( buffer );
WINE_TRACE("New path: %s\n", wine_dbgstr_w(new_path));
return new_path;
}
/*****************************************************************************
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* Main entry point. This is a console application so we have a wmain() not a
* winmain().
*/
int wmain(int argc, WCHAR *argv[])
{
WCHAR *url = argv[1];
BSTR display_uri = NULL;
DWORD scheme;
IUri *uri;
HRESULT hres;
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/* DDE used only if -nohome is specified; avoids delay in printing usage info
* when no parameters are passed */
if (url && !wcsicmp( url, L"-nohome" ))
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url = argc > 2 ? argv[2] : get_url_from_dde();
if (!url) {
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WINE_ERR( "Usage: winebrowser URL\n" );
return -1;
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}
hres = CreateUri(url, Uri_CREATE_ALLOW_IMPLICIT_FILE_SCHEME|Uri_CREATE_FILE_USE_DOS_PATH, 0, &uri);
if(FAILED(hres)) {
WINE_ERR("Failed to parse URL %s, treating as HTTP\n", wine_dbgstr_w(url));
return open_invalid_url(url);
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}
free(ddeString);
IUri_GetScheme(uri, &scheme);
if(scheme == URL_SCHEME_FILE) {
display_uri = convert_file_uri(uri);
if(!display_uri) {
WINE_ERR("Failed to convert file URL to unix path\n");
}
}
if (!display_uri)
hres = IUri_GetDisplayUri(uri, &display_uri);
IUri_Release(uri);
if(FAILED(hres))
return -1;
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WINE_TRACE("opening %s\n", wine_dbgstr_w(display_uri));
if(scheme == URL_SCHEME_MAILTO)
return open_mailto_url(display_uri);
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else
/* let the browser decide how to handle the given url */
return open_http_url(display_uri);
}