source: trunk/src/peldr/pe.cpp@ 6185

Last change on this file since 6185 was 6185, checked in by sandervl, 24 years ago

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1/* $Id: pe.cpp,v 1.29 2001-07-06 13:47:40 sandervl Exp $ */
2
3/*
4 * PELDR main exe loader code
5 *
6 * Copyright 1998-2001 Sander van Leeuwen (sandervl@xs4all.nl)
7 *
8 * Command line options:
9 * /OPT:[x1=y,x2=z,..]
10 * x = CURDIR -> set current directory to y
11 * (not other options available at this time)
12 *
13 * Project Odin Software License can be found in LICENSE.TXT
14 *
15 */
16#define INCL_DOSFILEMGR /* File Manager values */
17#define INCL_DOSERRORS /* DOS Error values */
18#define INCL_DOSPROCESS /* DOS Process values */
19#define INCL_DOSMISC /* DOS Miscellanous values */
20#define INCL_DOSMODULEMGR
21#define INCL_DOSSESMGR
22#define INCL_WIN
23#include <os2.h>
24#include <bseord.h>
25#include <stdio.h>
26#include <string.h>
27#include <stdlib.h>
28#include <string.h>
29#include <assert.h>
30#include <win32type.h>
31#include <misc.h>
32#include <wprocess.h>
33#include <win\peexe.h>
34#include "pe.h"
35
36char INFO_BANNER[] = "Usage: PE winexe commandline";
37char szErrorTitle[] = "Odin";
38char szLoadErrorMsg[] = "Can't load executable";
39char szFileNotFound[] = "File not found.";
40char szFileErrorMsg[] = "File IO error";
41char szPEErrorMsg[] = "Not a valid win32 exe. (perhaps 16 bits windows)";
42char szCPUErrorMsg[] = "Executable doesn't run on x86 machines";
43char szExeErrorMsg[] = "File isn't an executable";
44char szInteralErrorMsg[]= "Internal Error";
45char szNoKernel32Msg[] = "Can't load/find kernel32.dll (rc=%d, module %s)";
46char szDosInfoBlocks[] = "DosInfoBlocks failed!";
47char szErrDosStartSession[] = "Failed to start win16 session (rc=%d)";
48
49char fullpath[CCHMAXPATH];
50
51typedef HAB (* APIENTRY WININITIALIZEPROC)(ULONG flOptions);
52typedef BOOL (* APIENTRY WINTERMINATEPROC)(HAB hab);
53typedef HMQ (* APIENTRY WINCREATEMSGQUEUEPROC) (HAB hab, LONG cmsg);
54typedef BOOL (* APIENTRY WINDESTROYMSGQUEUEPROC) (HMQ hmq);
55typedef ULONG (* APIENTRY WINMESSAGEBOXPROC) (HWND hwndParent,
56 HWND hwndOwner,
57 PCSZ pszText,
58 PCSZ pszCaption,
59 ULONG idWindow,
60 ULONG flStyle);
61typedef void (* KRNL32EXCEPTPROC) (void *exceptframe);
62
63WININITIALIZEPROC MyWinInitialize = 0;
64WINTERMINATEPROC MyWinTerminate = 0;
65WINCREATEMSGQUEUEPROC MyWinCreateMsgQueue = 0;
66WINDESTROYMSGQUEUEPROC MyWinDestroyMsgQueue = 0;
67WINMESSAGEBOXPROC MyWinMessageBox = 0;
68KRNL32EXCEPTPROC Krnl32SetExceptionHandler = 0;
69KRNL32EXCEPTPROC Krnl32UnsetExceptionHandler = 0;
70
71//should be the same as in ..\kernel32\winexepeldr.h
72typedef BOOL (* WIN32API WIN32CTOR)(char *, char *, char *, ULONG, BOOL, BOOL);
73
74WIN32CTOR CreateWin32Exe = 0;
75ULONG reservedMemory = 0;
76BOOL fConsoleApp = FALSE;
77
78BOOL AllocateExeMem(char *filename, BOOL *fNEExe);
79
80//******************************************************************************
81//******************************************************************************
82int main(int argc, char *argv[])
83{
84 HAB hab = 0; /* PM anchor block handle */
85 HMQ hmq = 0; /* Message queue handle */
86 char exeName[CCHMAXPATH];
87 char fullpath[CCHMAXPATH];
88 char errorMod[CCHMAXPATH];
89 char *pszErrorMsg = NULL;
90 APIRET rc;
91 HMODULE hmodPMWin = 0, hmodKernel32 = 0;
92 PTIB ptib;
93 PPIB ppib;
94 char *cmdline, *win32cmdline, *peoptions, *newcmdline;
95 BOOL fQuote = FALSE, fVioConsole, fIsNEExe;
96 int nrTries = 1;
97
98 if(argc >= 2) {
99 if(DosGetInfoBlocks(&ptib, &ppib) == 0) {
100tryagain:
101 cmdline = ppib->pib_pchcmd;
102 cmdline += strlen(cmdline)+1; //skip pe.exe
103 peoptions = strstr(cmdline, "/OPT:[");
104 if(peoptions) {
105 newcmdline = strchr(peoptions, ']');
106 if(newcmdline) {
107 cmdline = newcmdline+1;
108 }
109#ifdef DEBUG
110 else _interrupt(3); //should not happen!
111#endif
112 }
113 while(*cmdline == ' ') cmdline++; //skip leading space
114 if(*cmdline == '"') {
115 cmdline++;
116 fQuote = TRUE;
117 }
118 win32cmdline = cmdline;
119
120 strncpy(exeName, cmdline, sizeof(exeName)-1);
121 exeName[sizeof(exeName)-1] = 0;
122 char *p = exeName;
123 if(fQuote) {
124 while(*p != '"' && *p != 0) p++;
125 }
126 else {
127 for(int i=0;i<nrTries;i++) {
128 while(*p != ' ' && *p != 0) p++;
129 if(*p == 0) break;
130 if(i != nrTries-1) {
131 while(*p == ' ' && *p != 0) p++;
132 }
133 }
134 if(nrTries && *p == 0) {
135 pszErrorMsg = szFileNotFound;
136 goto failerror;
137 }
138 }
139 *p = 0;
140 strupr(exeName);
141 cmdline = strstr(exeName, ".EXE");
142 if(cmdline) {
143 cmdline[4] = 0;
144 win32cmdline += ((ULONG)cmdline - (ULONG)exeName) + 4;
145 }
146 else {
147 win32cmdline += strlen(exeName);
148 if(strstr(exeName, ".") == NULL) {
149 strcat(exeName, ".EXE");
150 }
151 }
152 if(fQuote) win32cmdline++;
153 while(*win32cmdline == ' ') win32cmdline++; //skip spaces
154
155 cmdline = exeName + strlen(exeName) - 1;
156 while(*cmdline == ' ') cmdline--;
157 cmdline[1] = 0;
158 if(DosQueryPathInfo(exeName, FIL_QUERYFULLNAME, (PVOID)fullpath, sizeof(fullpath)) == 0) {
159 strcpy(exeName, fullpath);
160 }
161 FILESTATUS3 fstat3;
162 if(DosQueryPathInfo(exeName, FIL_STANDARD, (PVOID)&fstat3, sizeof(fstat3)))
163 {
164 nrTries++;
165 if(*win32cmdline != NULL && !fQuote) {
166 goto tryagain;
167 }
168 }
169 }
170 else {//should never happen!
171 pszErrorMsg = szDosInfoBlocks;
172 goto failerror;
173 }
174 AllocateExeMem(exeName, &fIsNEExe);
175 if(fIsNEExe) {
176 STARTDATA sdata = {0};
177 ULONG idSession;
178 PID pid;
179
180 sdata.Length = sizeof(sdata);
181 sdata.PgmName = "w16odin.exe";
182 strcpy(fullpath, exeName);
183 strcat(fullpath, " ");
184 strcat(fullpath, win32cmdline);
185 sdata.PgmInputs = fullpath;
186 sdata.FgBg = SSF_FGBG_FORE;
187 sdata.SessionType = SSF_TYPE_WINDOWEDVDM;
188 rc = DosStartSession(&sdata, &idSession, &pid);
189 if(rc) {
190 sprintf(fullpath, szErrDosStartSession, rc);
191 pszErrorMsg = fullpath;
192 goto failerror;
193 }
194 return 0;
195 }
196 }
197
198#ifdef COMMAND_LINE_VERSION
199 if(DosGetInfoBlocks(&ptib, &ppib) == 0) {
200 //switch process type to PM so the command line app can create PM
201 //windows
202 ppib->pib_ultype = 3;
203 }
204#endif
205
206 rc = DosLoadModule(exeName, sizeof(exeName), "PMWIN.DLL", &hmodPMWin);
207 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32INITIALIZE, NULL, (PFN *)&MyWinInitialize);
208 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32TERMINATE, NULL, (PFN *)&MyWinTerminate);
209 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32CREATEMSGQUEUE, NULL, (PFN *)&MyWinCreateMsgQueue);
210 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32DESTROYMSGQUEUE, NULL, (PFN *)&MyWinDestroyMsgQueue);
211 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32MESSAGEBOX, NULL, (PFN *)&MyWinMessageBox);
212
213 if ((hab = MyWinInitialize(0)) == 0L) /* Initialize PM */
214 goto fail;
215
216 hmq = MyWinCreateMsgQueue(hab, 0);
217
218 if(argc < 2) {
219 MyWinMessageBox(HWND_DESKTOP, NULL, INFO_BANNER, szErrorTitle, 0, MB_OK | MB_ERROR | MB_MOVEABLE);
220 goto fail;
221 }
222
223 errorMod[0] = 0;
224 rc = DosLoadModule(errorMod, sizeof(errorMod), "KERNEL32.DLL", &hmodKernel32);
225 if(rc) {
226 sprintf(fullpath, szNoKernel32Msg, rc, errorMod);
227 MyWinMessageBox(HWND_DESKTOP, NULL, fullpath, szErrorTitle, 0, MB_OK | MB_ERROR | MB_MOVEABLE);
228 goto fail;
229 }
230 rc = DosQueryProcAddr(hmodKernel32, 0, "_CreateWin32PeLdrExe@24", (PFN *)&CreateWin32Exe);
231
232#ifdef COMMAND_LINE_VERSION
233 fVioConsole = TRUE;
234#else
235 fVioConsole = FALSE;
236#endif
237 if(CreateWin32Exe(exeName, win32cmdline, peoptions, reservedMemory, fConsoleApp, fVioConsole) == FALSE) {
238 goto fail;
239 }
240
241 if(hmq) MyWinDestroyMsgQueue( hmq ); /* Tidy up... */
242 MyWinTerminate( hab ); /* Terminate the application */
243
244 DosFreeModule(hmodPMWin);
245 DosFreeModule(hmodKernel32);
246 return 0;
247
248fail:
249 if(hmq) MyWinDestroyMsgQueue( hmq ); /* Tidy up... */
250 if(hab) MyWinTerminate( hab ); /* Terminate the application */
251
252 if(hmodPMWin) DosFreeModule(hmodPMWin);
253 if(hmodKernel32) DosFreeModule(hmodKernel32);
254 return(1);
255
256failerror:
257 rc = DosLoadModule(exeName, sizeof(exeName), "PMWIN.DLL", &hmodPMWin);
258 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32INITIALIZE, NULL, (PFN *)&MyWinInitialize);
259 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32TERMINATE, NULL, (PFN *)&MyWinTerminate);
260 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32CREATEMSGQUEUE, NULL, (PFN *)&MyWinCreateMsgQueue);
261 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32DESTROYMSGQUEUE, NULL, (PFN *)&MyWinDestroyMsgQueue);
262 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32MESSAGEBOX, NULL, (PFN *)&MyWinMessageBox);
263 if(rc == 0) {
264 if ((hab = MyWinInitialize(0)) == 0L) /* Initialize PM */
265 goto fail;
266
267 hmq = MyWinCreateMsgQueue(hab, 0);
268
269 MyWinMessageBox(HWND_DESKTOP, NULL, pszErrorMsg, szErrorTitle, 0, MB_OK | MB_ERROR | MB_MOVEABLE);
270 }
271 if(hmq) MyWinDestroyMsgQueue( hmq ); /* Tidy up... */
272 if(hab) MyWinTerminate( hab ); /* Terminate the application */
273 if(hmodPMWin) DosFreeModule(hmodPMWin);
274 return 1;
275}
276//******************************************************************************
277//SvL: Reserve memory for win32 exes without fixups
278// This is done before any Odin or PMWIN dll is loaded, so we'll get
279// a very low virtual address. (which is exactly what we want)
280//******************************************************************************
281BOOL AllocateExeMem(char *filename, BOOL *fNEExe)
282{
283 HFILE dllfile = 0;
284 char szFileName[CCHMAXPATH], *tmp;
285 char szResult[CCHMAXPATH];
286 ULONG action, ulRead, signature;
287 APIRET rc;
288 IMAGE_DOS_HEADER doshdr;
289 IMAGE_OPTIONAL_HEADER oh;
290 IMAGE_FILE_HEADER fh;
291 ULONG address = 0;
292 ULONG *memallocs;
293 ULONG alloccnt = 0;
294 ULONG diff, i, baseAddress;
295 ULONG ulSysinfo, flAllocMem = 0;
296 BOOL ret = FALSE;
297
298 *fNEExe = FALSE;
299 strcpy(szFileName, filename);
300
301 rc = DosOpen(szFileName, &dllfile, &action, 0, FILE_READONLY, OPEN_ACTION_OPEN_IF_EXISTS|OPEN_ACTION_FAIL_IF_NEW, OPEN_SHARE_DENYNONE|OPEN_ACCESS_READONLY, NULL);
302 if(rc != 0) {
303 if(!strstr(szFileName, ".EXE")) {
304 strcat(szFileName,".EXE");
305 }
306 }
307 else DosClose(dllfile);
308
309 rc = DosOpen(szFileName, &dllfile, &action, 0, FILE_READONLY, OPEN_ACTION_OPEN_IF_EXISTS|OPEN_ACTION_FAIL_IF_NEW, OPEN_SHARE_DENYNONE|OPEN_ACCESS_READONLY, NULL);
310 if(rc) {
311 if(DosSearchPath(SEARCH_IGNORENETERRS|SEARCH_ENVIRONMENT, "PATH",
312 szFileName, szResult, sizeof(szResult)) != 0) {
313 goto end; //oops
314 }
315 rc = DosOpen(szResult, &dllfile, &action, 0, FILE_READONLY, OPEN_ACTION_OPEN_IF_EXISTS|OPEN_ACTION_FAIL_IF_NEW, OPEN_SHARE_DENYNONE|OPEN_ACCESS_READONLY, NULL);
316 if(rc) {
317 goto end; //oops
318 }
319 }
320
321 //read dos header
322 if(DosRead(dllfile, (LPVOID)&doshdr, sizeof(doshdr), &ulRead)) {
323 goto end;
324 }
325 if(DosSetFilePtr(dllfile, doshdr.e_lfanew, FILE_BEGIN, &ulRead)) {
326 goto end;
327 }
328 //read signature dword
329 if(DosRead(dllfile, (LPVOID)&signature, sizeof(signature), &ulRead)) {
330 goto end;
331 }
332 //read pe header
333 if(DosRead(dllfile, (LPVOID)&fh, sizeof(fh), &ulRead)) {
334 goto end;
335 }
336 //read optional header
337 if(DosRead(dllfile, (LPVOID)&oh, sizeof(oh), &ulRead)) {
338 goto end;
339 }
340 if(doshdr.e_magic != IMAGE_DOS_SIGNATURE || signature != IMAGE_NT_SIGNATURE) {
341 if(LOWORD(signature) == IMAGE_OS2_SIGNATURE) {
342 *fNEExe = TRUE;
343 }
344 goto end;
345 }
346 fConsoleApp = (oh.Subsystem == IMAGE_SUBSYSTEM_WINDOWS_CUI);
347
348 // check for high memory support
349 rc = DosQuerySysInfo(QSV_VIRTUALADDRESSLIMIT, QSV_VIRTUALADDRESSLIMIT, &ulSysinfo, sizeof(ulSysinfo));
350 if (rc == 0 && ulSysinfo > 512) //VirtualAddresslimit is in MB
351 {
352 flAllocMem = PAG_ANY; // high memory support. Let's use it!
353 }
354
355 //Reserve enough space to store 4096 pointers to 1MB memory chunks
356 memallocs = (ULONG *)alloca(4096*sizeof(ULONG *));
357 if(memallocs == NULL) {
358 goto end; //oops
359 }
360
361 if(oh.ImageBase < 512*1024*1024) {
362 flAllocMem = 0;
363 }
364 else {
365 if(flAllocMem == 0) {
366 goto end; //no support for > 512 MB
367 }
368 }
369 while(TRUE) {
370 rc = DosAllocMem((PPVOID)&address, FALLOC_SIZE, PAG_READ | flAllocMem);
371 if(rc) break;
372
373 if(address + FALLOC_SIZE >= oh.ImageBase) {
374 if(address > oh.ImageBase) {//we've passed it!
375 DosFreeMem((PVOID)address);
376 break;
377 }
378 //found the right address
379 DosFreeMem((PVOID)address);
380
381 diff = oh.ImageBase - address;
382 if(diff) {
383 rc = DosAllocMem((PPVOID)&address, diff, PAG_READ | flAllocMem);
384 if(rc) break;
385 }
386 rc = DosAllocMem((PPVOID)&baseAddress, oh.SizeOfImage, PAG_READ | PAG_WRITE | flAllocMem);
387 if(rc) break;
388
389 if(diff) DosFreeMem((PVOID)address);
390
391 reservedMemory = baseAddress;
392 break;
393 }
394 memallocs[alloccnt++] = address;
395 }
396 for(i=0;i<alloccnt;i++) {
397 DosFreeMem((PVOID)memallocs[i]);
398 }
399 ret = TRUE;
400end:
401 if(dllfile) DosClose(dllfile);
402 return ret;
403}
404//******************************************************************************
405//******************************************************************************
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