source: trunk/src/peldr/pe.cpp@ 3824

Last change on this file since 3824 was 3823, checked in by sandervl, 25 years ago

fix for arguments in quotes
File size: 10.3 KB
Line 
1/* $Id: pe.cpp,v 1.18 2000-07-15 09:13:54 sandervl Exp $ */
2
3/*
4 * PELDR main exe loader code
5 *
6 * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
7 *
8 *
9 * Project Odin Software License can be found in LICENSE.TXT
10 *
11 */
12#define INCL_DOSFILEMGR /* File Manager values */
13#define INCL_DOSERRORS /* DOS Error values */
14#define INCL_DOSPROCESS /* DOS Process values */
15#define INCL_DOSMISC /* DOS Miscellanous values */
16#define INCL_DOSMODULEMGR
17#define INCL_WIN
18#include <os2.h>
19#include <bseord.h>
20#include <stdio.h>
21#include <string.h>
22#include <stdlib.h>
23#include <string.h>
24#include <assert.h>
25#include <win32type.h>
26#include <misc.h>
27#include <wprocess.h>
28#include <win\peexe.h>
29#include "pe.h"
30
31char INFO_BANNER[] = "Usage: PE winexe commandline";
32char szErrorTitle[] = "Odin";
33char szLoadErrorMsg[] = "Can't load executable";
34char szFileErrorMsg[] = "File IO error";
35char szPEErrorMsg[] = "Not a valid win32 exe. (perhaps 16 bits windows)";
36char szCPUErrorMsg[] = "Executable doesn't run on x86 machines";
37char szExeErrorMsg[] = "File isn't an executable";
38char szInteralErrorMsg[]= "Internal Error";
39char szNoKernel32Msg[] = "Can't load/find kernel32.dll (rc=%d)";
40char szDosInfoBlocks[] = "DosInfoBlocks failed!";
41
42char fullpath[CCHMAXPATH];
43
44typedef HAB (* APIENTRY WININITIALIZEPROC)(ULONG flOptions);
45typedef BOOL (* APIENTRY WINTERMINATEPROC)(HAB hab);
46typedef HMQ (* APIENTRY WINCREATEMSGQUEUEPROC) (HAB hab, LONG cmsg);
47typedef BOOL (* APIENTRY WINDESTROYMSGQUEUEPROC) (HMQ hmq);
48typedef ULONG (* APIENTRY WINMESSAGEBOXPROC) (HWND hwndParent,
49 HWND hwndOwner,
50 PCSZ pszText,
51 PCSZ pszCaption,
52 ULONG idWindow,
53 ULONG flStyle);
54typedef void (* KRNL32EXCEPTPROC) (void *exceptframe);
55
56WININITIALIZEPROC MyWinInitialize = 0;
57WINTERMINATEPROC MyWinTerminate = 0;
58WINCREATEMSGQUEUEPROC MyWinCreateMsgQueue = 0;
59WINDESTROYMSGQUEUEPROC MyWinDestroyMsgQueue = 0;
60WINMESSAGEBOXPROC MyWinMessageBox = 0;
61KRNL32EXCEPTPROC Krnl32SetExceptionHandler = 0;
62KRNL32EXCEPTPROC Krnl32UnsetExceptionHandler = 0;
63
64//should be the same as in ..\kernel32\winexepeldr.h
65typedef BOOL (* WIN32API WIN32CTOR)(char *, char *, ULONG);
66
67WIN32CTOR CreateWin32Exe = 0;
68
69ULONG reservedMemory = 0;
70
71void AllocateExeMem(char *filename);
72
73//******************************************************************************
74//******************************************************************************
75int main(int argc, char *argv[])
76{
77 HAB hab = 0; /* PM anchor block handle */
78 HMQ hmq = 0; /* Message queue handle */
79 char exeName[CCHMAXPATH];
80 char fullpath[CCHMAXPATH];
81 APIRET rc;
82 HMODULE hmodPMWin = 0, hmodKernel32 = 0;
83 PTIB ptib;
84 PPIB ppib;
85 char *cmdline, *win32cmdline;
86 BOOL fQuote = FALSE;
87
88 if(argc >= 2) {
89 if(DosGetInfoBlocks(&ptib, &ppib) == 0) {
90 cmdline = ppib->pib_pchcmd;
91 cmdline += strlen(cmdline)+1; //skip pe.exe
92 while(*cmdline == ' ') cmdline++; //skip leading space
93 if(*cmdline == '"') {
94 cmdline++;
95 fQuote = TRUE;
96 }
97 win32cmdline = cmdline;
98
99 strncpy(exeName, cmdline, sizeof(exeName)-1);
100 exeName[sizeof(exeName)-1] = 0;
101 char *p = exeName;
102 if(fQuote) {
103 while(*p != '"' && *p != 0) p++;
104 }
105 else {
106 while(*p != ' ' && *p != 0) p++;
107 }
108 *p = 0;
109 strupr(exeName);
110 cmdline = strstr(exeName, ".EXE");
111 if(cmdline) {
112 cmdline[4] = 0;
113 win32cmdline += ((ULONG)cmdline - (ULONG)exeName) + 4;
114 }
115 else {
116 win32cmdline += strlen(exeName);
117 if(strstr(exeName, ".") == NULL) {
118 strcat(exeName, ".EXE");
119 }
120 }
121 if(fQuote) win32cmdline++;
122 while(*win32cmdline == ' ') win32cmdline++; //skip spaces
123 if(*win32cmdline == '"') {
124 win32cmdline++;
125 cmdline = win32cmdline + strlen(win32cmdline) - 1;
126 while(*cmdline == ' ') cmdline--;
127 if(*cmdline == '"') {
128 *cmdline = 0;
129 }
130 }
131 cmdline = exeName + strlen(exeName) - 1;
132 while(*cmdline == ' ') cmdline--;
133 cmdline[1] = 0;
134 if(DosQueryPathInfo(exeName, FIL_QUERYFULLNAME, (PVOID)fullpath, sizeof(fullpath)) == 0) {
135 strcpy(exeName, fullpath);
136 }
137 }
138 else {//should never happen!
139 DebugInt3();
140 rc = DosLoadModule(exeName, sizeof(exeName), "PMWIN.DLL", &hmodPMWin);
141 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32MESSAGEBOX, NULL, (PFN *)&MyWinMessageBox);
142 MyWinMessageBox(HWND_DESKTOP, NULL, szDosInfoBlocks, szErrorTitle, 0, MB_OK | MB_ERROR | MB_MOVEABLE);
143 goto fail;
144 }
145 AllocateExeMem(exeName);
146 }
147
148 rc = DosLoadModule(exeName, sizeof(exeName), "PMWIN.DLL", &hmodPMWin);
149 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32INITIALIZE, NULL, (PFN *)&MyWinInitialize);
150 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32TERMINATE, NULL, (PFN *)&MyWinTerminate);
151 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32CREATEMSGQUEUE, NULL, (PFN *)&MyWinCreateMsgQueue);
152 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32DESTROYMSGQUEUE, NULL, (PFN *)&MyWinDestroyMsgQueue);
153 rc = DosQueryProcAddr(hmodPMWin, ORD_WIN32MESSAGEBOX, NULL, (PFN *)&MyWinMessageBox);
154
155 if ((hab = MyWinInitialize(0)) == 0L) /* Initialize PM */
156 goto fail;
157
158 hmq = MyWinCreateMsgQueue(hab, 0);
159
160 if(argc < 2) {
161 MyWinMessageBox(HWND_DESKTOP, NULL, INFO_BANNER, szErrorTitle, 0, MB_OK | MB_ERROR | MB_MOVEABLE);
162 goto fail;
163 }
164
165 rc = DosLoadModule(exeName, sizeof(exeName), "KERNEL32.DLL", &hmodKernel32);
166 if(rc) {
167 sprintf(exeName, szNoKernel32Msg, rc);
168 MyWinMessageBox(HWND_DESKTOP, NULL, exeName, szErrorTitle, 0, MB_OK | MB_ERROR | MB_MOVEABLE);
169 goto fail;
170 }
171 rc = DosQueryProcAddr(hmodKernel32, 0, "_CreateWin32PeLdrExe@12", (PFN *)&CreateWin32Exe);
172
173 if(CreateWin32Exe(exeName, win32cmdline, reservedMemory) == FALSE) {
174 goto fail;
175 }
176
177 if(hmq) MyWinDestroyMsgQueue( hmq ); /* Tidy up... */
178 MyWinTerminate( hab ); /* Terminate the application */
179
180 DosFreeModule(hmodPMWin);
181 DosFreeModule(hmodKernel32);
182 return 0;
183
184fail:
185 if(hmq) MyWinDestroyMsgQueue( hmq ); /* Tidy up... */
186 if(hab) MyWinTerminate( hab ); /* Terminate the application */
187
188 if(hmodPMWin) DosFreeModule(hmodPMWin);
189 if(hmodKernel32) DosFreeModule(hmodKernel32);
190 return(1);
191}
192//******************************************************************************
193//SvL: Reserve memory for win32 exes without fixups
194// This is done before any Odin or PMWIN dll is loaded, so we'll get
195// a very low virtual address. (which is exactly what we want)
196//******************************************************************************
197void AllocateExeMem(char *filename)
198{
199 HFILE dllfile = 0;
200 char szFileName[CCHMAXPATH], *tmp;
201 char szResult[CCHMAXPATH];
202 ULONG action, ulRead, signature;
203 APIRET rc;
204 IMAGE_DOS_HEADER doshdr;
205 IMAGE_OPTIONAL_HEADER oh;
206 IMAGE_FILE_HEADER fh;
207 ULONG address = 0;
208 ULONG *memallocs;
209 ULONG alloccnt = 0;
210 ULONG diff, i, baseAddress;
211 ULONG ulSysinfo, flAllocMem = 0;
212
213 strcpy(szFileName, filename);
214
215 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);
216 if(rc != 0) {
217 if(!strstr(szFileName, ".EXE")) {
218 strcat(szFileName,".EXE");
219 }
220 }
221 else DosClose(dllfile);
222
223 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);
224 if(rc) {
225 if(DosSearchPath(SEARCH_IGNORENETERRS|SEARCH_ENVIRONMENT, "PATH",
226 szFileName, szResult, sizeof(szResult)) != 0) {
227 goto end; //oops
228 }
229 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);
230 if(rc) {
231 goto end; //oops
232 }
233 }
234
235 //read dos header
236 if(DosRead(dllfile, (LPVOID)&doshdr, sizeof(doshdr), &ulRead)) {
237 goto end;
238 }
239 if(DosSetFilePtr(dllfile, doshdr.e_lfanew, FILE_BEGIN, &ulRead)) {
240 goto end;
241 }
242 //read signature dword
243 if(DosRead(dllfile, (LPVOID)&signature, sizeof(signature), &ulRead)) {
244 goto end;
245 }
246 //read pe header
247 if(DosRead(dllfile, (LPVOID)&fh, sizeof(fh), &ulRead)) {
248 goto end;
249 }
250 //read optional header
251 if(DosRead(dllfile, (LPVOID)&oh, sizeof(oh), &ulRead)) {
252 goto end;
253 }
254 if(doshdr.e_magic != IMAGE_DOS_SIGNATURE || signature != IMAGE_NT_SIGNATURE) {
255 goto end;
256 }
257 if(!(fh.Characteristics & IMAGE_FILE_RELOCS_STRIPPED)) {
258 goto end; //no need to allocate anything now
259 }
260
261 // check for high memory support
262 rc = DosQuerySysInfo(QSV_VIRTUALADDRESSLIMIT, QSV_VIRTUALADDRESSLIMIT, &ulSysinfo, sizeof(ulSysinfo));
263 if (rc == 0 && ulSysinfo > 512) //VirtualAddresslimit is in MB
264 {
265 flAllocMem = PAG_ANY; // high memory support. Let's use it!
266 }
267
268 //Reserve enough space to store 4096 pointers to 1MB memory chunks
269 memallocs = (ULONG *)alloca(4096*sizeof(ULONG *));
270 if(memallocs == NULL) {
271 goto end; //oops
272 }
273
274 if(oh.ImageBase < 512*1024*1024) {
275 flAllocMem = 0;
276 }
277 else {
278 if(flAllocMem == 0) {
279 goto end; //no support for > 512 MB
280 }
281 }
282 while(TRUE) {
283 rc = DosAllocMem((PPVOID)&address, FALLOC_SIZE, PAG_READ | flAllocMem);
284 if(rc) break;
285
286 if(address + FALLOC_SIZE >= oh.ImageBase) {
287 if(address > oh.ImageBase) {//we've passed it!
288 DosFreeMem((PVOID)address);
289 break;
290 }
291 //found the right address
292 DosFreeMem((PVOID)address);
293
294 diff = oh.ImageBase - address;
295 if(diff) {
296 rc = DosAllocMem((PPVOID)&address, diff, PAG_READ | flAllocMem);
297 if(rc) break;
298 }
299 rc = DosAllocMem((PPVOID)&baseAddress, oh.SizeOfImage, PAG_READ | PAG_WRITE | flAllocMem);
300 if(rc) break;
301
302 if(diff) DosFreeMem((PVOID)address);
303
304 reservedMemory = baseAddress;
305 break;
306 }
307 memallocs[alloccnt++] = address;
308 }
309 for(i=0;i<alloccnt;i++) {
310 DosFreeMem((PVOID)memallocs[i]);
311 }
312end:
313 if(dllfile) DosClose(dllfile);
314 return;
315}
316//******************************************************************************
317//******************************************************************************
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