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/*
* Wine wrapper: takes care of internal details for linking.
*
* Copyright 2000 Francois Gouget
* Copyright 2002 Dimitrie O. Paun
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <errno.h>
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifndef WINEDLLS
#define WINEDLLS "/usr/local/lib/wine"
#endif
static const char *app_loader_script =
"#!/bin/sh\n"
"\n"
"appname=\"%s\"\n"
"# determine the application directory\n"
"appdir=''\n"
"case \"$0\" in\n"
" */*)\n"
" # $0 contains a path, use it\n"
" appdir=`dirname \"$0\"`\n"
" ;;\n"
" *)\n"
" # no directory in $0, search in PATH\n"
" saved_ifs=$IFS\n"
" IFS=:\n"
" for d in $PATH\n"
" do\n"
" IFS=$saved_ifs\n"
" if [ -x \"$d/$appname\" ]; then appdir=\"$d\"; break; fi\n"
" done\n"
" ;;\n"
"esac\n"
"\n"
"while true; do\n"
" case \"$1\" in\n"
" --debugmsg)\n"
" debugmsg=\"$1 $2\"\n"
" shift; shift;\n"
" ;;\n"
" --dll)\n"
" dll=\"$1 $2\"\n"
" shift; shift;\n"
" ;;\n"
" *)\n"
" break\n"
" ;;\n"
" esac\n"
"done\n"
"\n"
"# figure out the full app path\n"
"if [ -n \"$appdir\" ]; then\n"
" apppath=\"$appdir/$appname.exe.so\"\n"
"else\n"
" apppath=\"$appname.exe.so\"\n"
"fi\n"
"\n"
"# determine the WINELOADER\n"
"if [ ! -x \"$WINELOADER\" ]; then WINELOADER=\"wine\"; fi\n"
"\n"
"# and try to start the app\n"
"exec \"$WINELOADER\" $debugmsg $dll -- \"$apppath\" \"$@\"\n"
;
static const char *app_gui_spec =
"@ stdcall WinMain(ptr long ptr long) WinMain\n"
;
static const char *app_cui_spec =
"@ stdcall main(long ptr ptr) main\n"
;
static const char *wrapper_code =
"/*\n"
" * Copyright 2000 Francois Gouget <fgouget@codeweavers.com> for CodeWeavers\n"
" * Copyright 2002 Dimitrie O. Paun <dpaun@rogers.com>\n"
" */\n"
"\n"
"#include <dlfcn.h>\n"
"#include <windows.h>\n"
"\n"
"\n"
"/*\n"
" * Describe the wrapped application\n"
" */\n"
"\n"
"/* The app name */\n"
"#define APPNAME \"%s\"\n"
"/**\n"
" * This is either 0 for a console based application or\n"
" * 1 for a regular windows application.\n"
" */\n"
"#define GUIEXE %d\n"
"\n"
"/**\n"
" * This is the name of the library containing the application,\n"
" * e.g. 'hello.dll' if the application is called 'hello.exe'.\n"
" */\n"
"static char* appName = APPNAME \".dll\";\n"
"\n"
"/**\n"
" * This is the name of the application's Windows module. If left NULL\n"
" * then appName is used.\n"
" */\n"
"static char* appModule = NULL;\n"
"\n"
"/**\n"
" * This is the application's entry point. This is usually 'WinMain' for a\n"
" * gui app and 'main' for a console application.\n"
" */\n"
"#if GUIEXE\n"
"static char* appInit = \"WinMain\";\n"
"#else\n"
"static char* appInit = \"main\";\n"
"#endif\n"
"\n"
"/**\n"
" * This is either non-NULL for MFC-based applications and is the name of the\n"
" * MFC's module. This is the module in which we will take the 'WinMain'\n"
" * function.\n"
" */\n"
"static char* mfcModule = NULL;\n"
"\n"
"\n"
"void error(const char *format, ...)\n"
"{\n"
" va_list ap;\n"
" char msg[4096];\n"
"\n"
" va_start(ap, format);\n"
" vsnprintf(msg, sizeof(msg), format, ap);\n"
" MessageBox(NULL, msg, \"Error\", MB_OK);\n"
" va_end(ap);\n"
" exit(1);\n"
"}\n"
"\n"
"\n"
"#if GUIEXE\n"
"typedef int WINAPI (*WinMainFunc)(HINSTANCE hInstance, HINSTANCE hPrevInstance,\n"
" PSTR szCmdLine, int iCmdShow);\n"
"#else\n"
"typedef int WINAPI (*MainFunc)(int argc, char** argv, char** envp);\n"
"#endif\n"
"\n"
"#if GUIEXE\n"
"int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,\n"
" PSTR szCmdLine, int iCmdShow)\n"
"#else\n"
"int WINAPI main(int argc, char** argv, char** envp)\n"
"#endif\n"
"{\n"
" void* appLibrary;\n"
" HINSTANCE hApp = 0, hMFC = 0, hMain = 0;\n"
" void* appMain;\n"
" char* libName;\n"
" int retcode;\n"
"\n"
" /* Load the application's library */\n"
" libName=(char*)malloc(2+strlen(appName)+3+1);\n"
" /* FIXME: we should get the wrapper's path and use that as the base for\n"
" * the library\n"
" */\n"
" sprintf(libName,\"./%%s.so\",appName);\n"
" appLibrary=dlopen(libName,RTLD_NOW);\n"
" if (appLibrary==NULL) {\n"
" sprintf(libName,\"%%s.so\",appName);\n"
" appLibrary=dlopen(libName,RTLD_NOW);\n"
" }\n"
" if (!appLibrary) error(\"Could not load the %%s library: %%s\", libName, dlerror());\n"
"\n"
" /* Then if this application is MFC based, load the MFC module */\n"
" /* FIXME: I'm not sure this is really necessary */\n"
" if (mfcModule) {\n"
" hMFC = LoadLibrary(mfcModule);\n"
" if (!hMFC) error(\"Could not load the MFC module %%s (%%d)\", mfcModule, GetLastError());\n"
" /* MFC is a special case: the WinMain is in the MFC library,\n"
" * instead of the application's library.\n"
" */\n"
" hMain = hMFC;\n"
" }\n"
"\n"
" /* Load the application's module */\n"
" if (!appModule) appModule = appName;\n"
" hApp = LoadLibrary(appModule);\n"
" if (!hApp) error(\"Could not load the application's module %%s (%%d)\", appModule, GetLastError());\n"
" if (!hMain) hMain = hApp;\n"
"\n"
" /* Get the address of the application's entry point */\n"
" appMain = GetProcAddress(hMain, appInit);\n"
" if (!appMain) error(\"Could not get the address of %%s (%%d)\", appInit, GetLastError());\n"
"\n"
" /* And finally invoke the application's entry point */\n"
"#if GUIEXE\n"
" retcode = (*((WinMainFunc)appMain))(hApp, hPrevInstance, szCmdLine, iCmdShow);\n"
"#else\n"
" retcode = (*((MainFunc)appMain))(argc, argv, envp);\n"
"#endif\n"
"\n"
" /* Cleanup and done */\n"
" FreeLibrary(hApp);\n"
" FreeLibrary(hMFC);\n"
" dlclose(appLibrary);\n"
" free(libName);\n"
"\n"
" return retcode;\n"
"}\n"
;
static char *output_name;
static char **arh_files, **dll_files, **lib_files, **lib_paths, **obj_files;
static int nb_arh_files, nb_dll_files, nb_lib_files, nb_lib_paths, nb_obj_files;
static int verbose = 0;
static int keep_generated = 0;
void error(const char *s, ...)
{
va_list ap;
va_start(ap, s);
fprintf(stderr, "Error: ");
vfprintf(stderr, s, ap);
fprintf(stderr, "\n");
va_end(ap);
exit(2);
}
char *strmake(const char *fmt, ...)
{
int n, size = 100;
char *p;
va_list ap;
if ((p = malloc (size)) == NULL)
error("Can not malloc %d bytes.", size);
while (1)
{
va_start(ap, fmt);
n = vsnprintf (p, size, fmt, ap);
va_end(ap);
if (n > -1 && n < size) return p;
size *= 2;
if ((p = realloc (p, size)) == NULL)
error("Can not realloc %d bytes.", size);
}
}
void rm_temp_file(const char *file)
{
if (!keep_generated) unlink(file);
}
void create_file(const char *name, const char *fmt, ...)
{
va_list ap;
FILE *file;
if (verbose) printf("Creating file %s\n", name);
va_start(ap, fmt);
if ( !(file = fopen(name, "w")) )
error ("Can not create %s.", name);
vfprintf(file, fmt, ap);
va_end(ap);
fclose(file);
}
void spawn(char *const argv[])
{
int pid, status, wret, i;
if (verbose)
{
for(i = 0; argv[i]; i++) printf("%s ", argv[i]);
printf("\n");
}
if ((pid = fork()) == 0) execvp(argv[0], argv);
else if (pid > 0)
{
while (pid != (wret = waitpid(pid, &status, 0)))
if (wret == -1 && errno != EINTR) break;
if (pid == wret && WIFEXITED(status) && WEXITSTATUS(status) == 0) return;
error("%s failed.", argv[0]);
}
perror("Error:");
exit(3);
}
int is_resource(const char* file)
{
/* see tools/winebuild/res32.c: check_header for details */
static const char res_sig[] = { 0,0,0,0, 32,0,0,0, 0xff,0xff, 0,0, 0xff,0xff, 0,0, 0,0,0,0, 0,0, 0,0, 0,0,0,0, 0,0,0,0 };
char buf[sizeof(res_sig)];
FILE *fin;
if (!(fin = fopen(file, "r"))) error("Can not open %s", file);
if (fread(buf, sizeof(buf), 1, fin) != 1) error("Truncated file %s", file);
fclose(fin);
return !memcmp(buf, res_sig, sizeof(buf));
}
/* open the file for a given name, in a specified path, with the given extension */
static char *try_path( const char *path, const char *name, const char *ext )
{
char *fullname;
int fd;
fullname = strmake("%s/lib%s.%s", path, name, ext);
if (verbose > 1) fprintf(stderr, "Try %s...", fullname);
/* check if the file exists */
if ((fd = open( fullname, O_RDONLY )) != -1)
{
close( fd );
if (verbose > 1) fprintf(stderr, "FOUND!\n");
return fullname;
}
free( fullname );
if (verbose > 1) fprintf(stderr, "\n");
return NULL;
}
/* open the .def library for a given dll in a specified path */
static char *try_dll_path( const char *path, const char *name )
{
return try_path(path, name, "def");
}
/* open the .a library for a given lib in a specified path */
static char *try_lib_path( const char *path, const char *name )
{
return try_path(path, name, "a");
}
/* open the .def library for a given dll */
static char *open_dll(const char *name)
{
char *fullname;
int i;
for (i = 0; i < nb_lib_paths; i++)
{
if ((fullname = try_dll_path( lib_paths[i], name ))) return fullname;
}
return try_dll_path( ".", name );
}
/* find a static library */
static char *find_lib(const char *name)
{
static const char* std_paths[] = { ".", "/usr/lib", "/usr/local/lib" };
char *fullname;
int i;
for (i = 0; i < nb_lib_paths; i++)
{
if ((fullname = try_lib_path( lib_paths[i], name ))) return fullname;
}
for (i = 0; i < sizeof(std_paths)/sizeof(std_paths[0]); i++)
{
if ((fullname = try_lib_path( std_paths[i], name ))) return fullname;
}
return 0;
}
void add_lib_path(const char* path)
{
lib_paths = realloc( lib_paths, (nb_lib_paths+1) * sizeof(*lib_paths) );
lib_paths[nb_lib_paths++] = strdup(path);
dll_files = realloc( dll_files, (nb_dll_files+1) * sizeof(*dll_files) );
dll_files[nb_dll_files++] = strmake("-L%s", path);
lib_files = realloc( lib_files, (nb_lib_files+1) * sizeof(*lib_files) );
lib_files[nb_lib_files++] = strmake("-L%s", path);
}
void add_lib_file(const char* library)
{
char *lib;
if (open_dll(library))
{
dll_files = realloc( dll_files, (nb_dll_files+1) * sizeof(*dll_files) );
dll_files[nb_dll_files++] = strmake("-l%s", library);
}
else if ((lib = find_lib(library)))
{
arh_files = realloc( arh_files, (nb_arh_files+1) * sizeof(*arh_files) );
arh_files[nb_arh_files++] = lib;
}
else
{
lib_files = realloc( lib_files, (nb_lib_files+1) * sizeof(*lib_files) );
lib_files[nb_lib_files++] = strmake("-l%s", library);
}
}
int main(int argc, char **argv)
{
char *library = 0, *path = 0;
int i, j, len, cpp = 0, no_opt = 0, gui_mode = 0, create_wrapper = -1;
char *base_name, *base_file, *app_temp_name, *wrp_temp_name;
char *spec_name, *spec_c_name, *spec_o_name;
char *wspec_name, *wspec_c_name, *wspec_o_name;
char *wrap_c_name, *wrap_o_name;
char **spec_args, **comp_args, **link_args;
char **wwrap_args, **wspec_args, **wcomp_args, **wlink_args;
/* include the standard DLL path first */
add_lib_path(WINEDLLS);
for (i = 1; i < argc; i++)
{
if (!no_opt && argv[i][0] == '-')
{
switch (argv[i][1])
{
case 'k':
keep_generated = 1;
break;
case 'o':
if (argv[i][2]) output_name = strdup(argv[i]+ 2);
else if (i + 1 < argc) output_name = strdup(argv[++i]);
else error("The -o switch takes an argument.");
break;
case 'L':
if (argv[i][2]) path = argv[i] + 2;
else if (i + 1 < argc) path = argv[++i];
else error("The -L switch takes an argument\n.");
add_lib_path(path);
break;
case 'l':
if (argv[i][2]) library = argv[i] + 2;
else if (i + 1 < argc) library = argv[++i];
else error("The -l switch takes an argument\n.");
add_lib_file(library);
break;
case 'm':
if (strcmp("-mgui", argv[i]) == 0) gui_mode = 1;
else error("Unknown option %s\n", argv[i]);
break;
case 'v': /* verbose */
if (argv[i][2] == 0) verbose++;
break;
case 'V':
printf("winewrap v0.40\n");
exit(0);
break;
case 'C':
cpp = 1;
break;
case 'w':
create_wrapper = 1;
break;
case 'W':
create_wrapper = 0;
break;
case '-':
if (argv[i][2]) error("No long option supported.");
no_opt = 1;
break;
default:
error("Unknown option -%c", argv[i][1]);
}
continue;
}
/* it's a filename, add it to its list */
obj_files = realloc( obj_files, (nb_obj_files+1) * sizeof(*obj_files) );
obj_files[nb_obj_files++] = strdup(argv[i]);
}
/* create wrapper only in C++ by default */
if (create_wrapper == -1) create_wrapper = cpp;
/* link in by default the big three */
if (gui_mode) add_lib_file("gdi32");
add_lib_file("user32");
add_lib_file("kernel32");
app_temp_name = tempnam(0, "wapp");
wrp_temp_name = tempnam(0, "wwrp");
/* get base filename by removing the .exe extension, if present */
base_file = strdup(output_name);
len = strlen(base_file);
if (len > 4 && strcmp(base_file + len - 4, ".exe") == 0)
base_file[len - 4 ] = 0; /* remove the .exe extension */
/* we need to get rid of the directory part to get the base name */
if ( (base_name = strrchr(base_file, '/')) ) base_name++;
else base_name = base_file;
spec_name = strmake("%s.spec", app_temp_name);
spec_c_name = strmake("%s.c", spec_name);
spec_o_name = strmake("%s.o", spec_name);
wspec_name = strmake("%s.spec", wrp_temp_name);
wspec_c_name = strmake("%s.c", wspec_name);
wspec_o_name = strmake("%s.o", wspec_name);
wrap_c_name = strmake("%s.c", wrp_temp_name);
wrap_o_name = strmake("%s.o", wrp_temp_name);
/* build winebuild's argument list */
spec_args = malloc( (nb_arh_files + nb_dll_files + nb_obj_files + 20) * sizeof (char *) );
j = 0;
spec_args[j++] = BINDIR "/winebuild";
spec_args[j++] = "-o";
spec_args[j++] = spec_c_name;
if (create_wrapper)
{
spec_args[j++] = "-F";
spec_args[j++] = strmake("%s.dll", base_name);
spec_args[j++] = "--spec";
spec_args[j++] = spec_name;
}
else
{
spec_args[j++] = "--exe";
spec_args[j++] = strmake("%s.exe", base_name);
spec_args[j++] = gui_mode ? "-mgui" : "-mcui";
}
for (i = 0; i < nb_dll_files; i++)
spec_args[j++] = dll_files[i];
for (i = 0; i < nb_obj_files; i++)
spec_args[j++] = obj_files[i];
for (i = 0; i < nb_arh_files; i++)
spec_args[j++] = arh_files[i];
spec_args[j] = 0;
/* build gcc's argument list */
comp_args = malloc ( 20 * sizeof (char *) );
j = 0;
comp_args[j++] = "gcc";
comp_args[j++] = "-fPIC";
comp_args[j++] = "-o";
comp_args[j++] = spec_o_name;
comp_args[j++] = "-c";
comp_args[j++] = spec_c_name;
comp_args[j] = 0;
/* build ld's argument list */
link_args = malloc( (nb_arh_files + nb_obj_files + nb_lib_files + 20) * sizeof (char *) );
j = 0;
link_args[j++] = cpp ? "g++" : "gcc";
link_args[j++] = "-shared";
link_args[j++] = "-Wl,-Bsymbolic,-z,defs";
link_args[j++] = "-lwine";
link_args[j++] = "-lm";
for (i = 0; i < nb_lib_files; i++)
link_args[j++] = lib_files[i];
link_args[j++] = "-o";
link_args[j++] = strmake("%s.%s.so", base_file, create_wrapper ? "dll" : "exe");
link_args[j++] = spec_o_name;
for (i = 0; i < nb_obj_files; i++)
if (!is_resource(obj_files[i])) link_args[j++] = obj_files[i];
for (i = 0; i < nb_arh_files; i++)
link_args[j++] = arh_files[i];
link_args[j] = 0;
/* build wrapper compile argument list */
wwrap_args = malloc ( 20 * sizeof (char *) );
j = 0;
wwrap_args[j++] = "gcc";
wwrap_args[j++] = "-fPIC";
wwrap_args[j++] = "-I" INCLUDEDIR "/windows";
wwrap_args[j++] = "-o";
wwrap_args[j++] = wrap_o_name;
wwrap_args[j++] = "-c";
wwrap_args[j++] = wrap_c_name;
wwrap_args[j] = 0;
/* build wrapper winebuild's argument list */
wspec_args = malloc( (nb_dll_files + 20) * sizeof (char *) );
j = 0;
wspec_args[j++] = BINDIR "/winebuild";
wspec_args[j++] = "-o";
wspec_args[j++] = wspec_c_name;
wspec_args[j++] = "--exe";
wspec_args[j++] = strmake("%s.exe", base_name);
wspec_args[j++] = gui_mode ? "-mgui" : "-mcui";
wspec_args[j++] = wrap_o_name;
for (i = 0; i < nb_dll_files; i++)
wspec_args[j++] = dll_files[i];
wspec_args[j] = 0;
/* build wrapper gcc's argument list */
wcomp_args = malloc ( 20 * sizeof (char *) );
j = 0;
wcomp_args[j++] = "gcc";
wcomp_args[j++] = "-fPIC";
wcomp_args[j++] = "-o";
wcomp_args[j++] = wspec_o_name;
wcomp_args[j++] = "-c";
wcomp_args[j++] = wspec_c_name;
wcomp_args[j] = 0;
/* build wrapper ld's argument list */
wlink_args = malloc( 20 * sizeof (char *) );
j = 0;
wlink_args[j++] = cpp ? "g++" : "gcc";
wlink_args[j++] = "-shared";
wlink_args[j++] = "-Wl,-Bsymbolic,-z,defs";
wlink_args[j++] = "-lwine";
wlink_args[j++] = "-ldl";
wlink_args[j++] = "-o";
wlink_args[j++] = strmake("%s.exe.so", base_file);
wlink_args[j++] = wspec_o_name;
wlink_args[j++] = wrap_o_name;
wlink_args[j] = 0;
/* run winebuild to get the .spec.c file */
if (create_wrapper)
{
create_file(spec_name, gui_mode ? app_gui_spec : app_cui_spec);
spawn(spec_args);
rm_temp_file(spec_name);
spawn(comp_args);
rm_temp_file(spec_c_name);
spawn(link_args);
rm_temp_file(spec_o_name);
create_file(wrap_c_name, wrapper_code, base_name, gui_mode);
spawn(wwrap_args);
rm_temp_file(wrap_c_name);
spawn(wspec_args);
spawn(wcomp_args);
rm_temp_file(wspec_c_name);
spawn(wlink_args);
rm_temp_file(wspec_o_name);
rm_temp_file(wrap_o_name);
}
else
{
spawn(spec_args);
spawn(comp_args);
rm_temp_file(spec_c_name);
spawn(link_args);
rm_temp_file(spec_o_name);
}
/* create the loader script */
create_file(base_file, app_loader_script, base_name);
chmod(base_file, S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
return 0;
}
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