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Release 20021031.
[wine/multimedia.git] / tools / winedump / pe.c
blobf4e926419b0599f446dda654b0363f7195d6a3ab
1 /*
2 * PE dumping utility
3 *
4 * Copyright 2001 Eric Pouech
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <stdlib.h>
25 #include <stdio.h>
26 #ifdef HAVE_UNISTD_H
27 # include <unistd.h>
28 #endif
29 #include <time.h>
30 #ifdef HAVE_SYS_TYPES_H
31 # include <sys/types.h>
32 #endif
33 #ifdef HAVE_SYS_STAT_H
34 # include <sys/stat.h>
35 #endif
36 #ifdef HAVE_SYS_MMAN_H
37 #include <sys/mman.h>
38 #endif
39 #include <fcntl.h>
40
41 #include "winnt.h"
42 #include "winedump.h"
43 #include "pe.h"
44
45 #ifndef O_BINARY
46 # define O_BINARY 0
47 #endif
48
49 void* PE_base;
50 unsigned long PE_total_len;
51 IMAGE_NT_HEADERS* PE_nt_headers;
52
53 enum FileSig {SIG_UNKNOWN, SIG_DOS, SIG_PE, SIG_DBG, SIG_NE};
54
55 char* get_time_str(DWORD _t)
56 {
57 time_t t = (time_t)_t;
58 static char buf[128];
59
60 /* FIXME: I don't get the same values from MS' pedump running under Wine...
61 * I wonder if Wine isn't broken wrt to GMT settings...
62 */
63 strncpy(buf, ctime(&t), sizeof(buf));
64 buf[sizeof(buf) - 1] = '\0';
65 if (buf[strlen(buf)-1] == '\n')
66 buf[strlen(buf)-1] = '\0';
67 return buf;
68 }
69
70 static const char* get_machine_str(DWORD mach)
71 {
72 switch (mach)
73 {
74 case IMAGE_FILE_MACHINE_UNKNOWN: return "Unknown";
75 case IMAGE_FILE_MACHINE_I860: return "i860";
76 case IMAGE_FILE_MACHINE_I386: return "i386";
77 case IMAGE_FILE_MACHINE_R3000: return "R3000";
78 case IMAGE_FILE_MACHINE_R4000: return "R4000";
79 case IMAGE_FILE_MACHINE_R10000: return "R10000";
80 case IMAGE_FILE_MACHINE_ALPHA: return "Alpha";
81 case IMAGE_FILE_MACHINE_POWERPC: return "PowerPC";
82 }
83 return "???";
84 }
85
86 void* PRD(unsigned long prd, unsigned long len)
87 {
88 return (prd + len > PE_total_len) ? NULL : (char*)PE_base + prd;
89 }
90
91 unsigned long Offset(void* ptr)
92 {
93 if (ptr < PE_base) {printf("<<<<<ptr below\n");return 0;}
94 if ((char *)ptr >= (char*)PE_base + PE_total_len) {printf("<<<<<ptr above\n");return 0;}
95 return (char*)ptr - (char*)PE_base;
96 }
97
98 void* RVA(unsigned long rva, unsigned long len)
99 {
100 IMAGE_SECTION_HEADER* sectHead;
101 int i;
102
103 sectHead = (IMAGE_SECTION_HEADER*)((char*)PE_nt_headers + sizeof(DWORD) +
104 sizeof(IMAGE_FILE_HEADER) +
105 PE_nt_headers->FileHeader.SizeOfOptionalHeader);
106
107 if (rva == 0) return NULL;
108
109 for (i = PE_nt_headers->FileHeader.NumberOfSections - 1; i >= 0; i--)
110 {
111 if (sectHead[i].VirtualAddress <= rva &&
112 rva + len <= (DWORD)sectHead[i].VirtualAddress + sectHead[i].SizeOfRawData)
113 break;
114 }
115
116 if (i < 0)
117 {
118 printf("rva not found in any section (%lu)\n", rva);
119 return NULL;
120 }
121
122 /* return image import directory offset */
123 return PRD(sectHead[i].PointerToRawData + rva - sectHead[i].VirtualAddress, len);
124 }
125
126 static void* get_dir(unsigned idx)
127 {
128 if (idx >= PE_nt_headers->OptionalHeader.NumberOfRvaAndSizes)
129 return NULL;
130 return RVA(PE_nt_headers->OptionalHeader.DataDirectory[idx].VirtualAddress,
131 PE_nt_headers->OptionalHeader.DataDirectory[idx].Size);
132 }
133
134 static const char* DirectoryNames[16] = {
135 "EXPORT", "IMPORT", "RESOURCE", "EXCEPTION",
136 "SECURITY", "BASERELOC", "DEBUG", "ARCHITECTURE",
137 "GLOBALPTR", "TLS", "LOAD_CONFIG", "Bound IAT",
138 "IAT", "Delay IAT", "COM Descript", ""
139 };
140
141 static void dump_pe_header(void)
142 {
143 char *str;
144 IMAGE_FILE_HEADER *fileHeader;
145 IMAGE_OPTIONAL_HEADER *optionalHeader;
146 unsigned i;
147
148 printf("File Header\n");
149 fileHeader = &PE_nt_headers->FileHeader;
150
151 printf(" Machine: %04X (%s)\n",
152 fileHeader->Machine, get_machine_str(fileHeader->Machine));
153 printf(" Number of Sections: %d\n", fileHeader->NumberOfSections);
154 printf(" TimeDateStamp: %08lX (%s) offset %ld\n",
155 fileHeader->TimeDateStamp, get_time_str(fileHeader->TimeDateStamp),
156 Offset(&(fileHeader->TimeDateStamp)));
157 printf(" PointerToSymbolTable: %08lX\n", fileHeader->PointerToSymbolTable);
158 printf(" NumberOfSymbols: %08lX\n", fileHeader->NumberOfSymbols);
159 printf(" SizeOfOptionalHeader: %04X\n", fileHeader->SizeOfOptionalHeader);
160 printf(" Characteristics: %04X\n", fileHeader->Characteristics);
161 #define X(f,s) if (fileHeader->Characteristics & f) printf(" %s\n", s)
162 X(IMAGE_FILE_RELOCS_STRIPPED, "RELOCS_STRIPPED");
163 X(IMAGE_FILE_EXECUTABLE_IMAGE, "EXECUTABLE_IMAGE");
164 X(IMAGE_FILE_LINE_NUMS_STRIPPED, "LINE_NUMS_STRIPPED");
165 X(IMAGE_FILE_LOCAL_SYMS_STRIPPED, "LOCAL_SYMS_STRIPPED");
166 X(IMAGE_FILE_16BIT_MACHINE, "16BIT_MACHINE");
167 X(IMAGE_FILE_BYTES_REVERSED_LO, "BYTES_REVERSED_LO");
168 X(IMAGE_FILE_32BIT_MACHINE, "32BIT_MACHINE");
169 X(IMAGE_FILE_DEBUG_STRIPPED, "DEBUG_STRIPPED");
170 X(IMAGE_FILE_SYSTEM, "SYSTEM");
171 X(IMAGE_FILE_DLL, "DLL");
172 X(IMAGE_FILE_BYTES_REVERSED_HI, "BYTES_REVERSED_HI");
173 #undef X
174 printf("\n");
175
176 /* hope we have the right size */
177 printf("Optional Header\n");
178 optionalHeader = &PE_nt_headers->OptionalHeader;
179 printf(" Magic 0x%-4X %u\n",
180 optionalHeader->Magic, optionalHeader->Magic);
181 printf(" linker version %u.%02u\n",
182 optionalHeader->MajorLinkerVersion, optionalHeader->MinorLinkerVersion);
183 printf(" size of code 0x%-8lx %lu\n",
184 optionalHeader->SizeOfCode, optionalHeader->SizeOfCode);
185 printf(" size of initialized data 0x%-8lx %lu\n",
186 optionalHeader->SizeOfInitializedData, optionalHeader->SizeOfInitializedData);
187 printf(" size of uninitialized data 0x%-8lx %lu\n",
188 optionalHeader->SizeOfUninitializedData, optionalHeader->SizeOfUninitializedData);
189 printf(" entrypoint RVA 0x%-8lx %lu\n",
190 optionalHeader->AddressOfEntryPoint, optionalHeader->AddressOfEntryPoint);
191 printf(" base of code 0x%-8lx %lu\n",
192 optionalHeader->BaseOfCode, optionalHeader->BaseOfCode);
193 printf(" base of data 0x%-8lX %lu\n",
194 optionalHeader->BaseOfData, optionalHeader->BaseOfData);
195 printf(" image base 0x%-8lX %lu\n",
196 optionalHeader->ImageBase, optionalHeader->ImageBase);
197 printf(" section align 0x%-8lx %lu\n",
198 optionalHeader->SectionAlignment, optionalHeader->SectionAlignment);
199 printf(" file align 0x%-8lx %lu\n",
200 optionalHeader->FileAlignment, optionalHeader->FileAlignment);
201 printf(" required OS version %u.%02u\n",
202 optionalHeader->MajorOperatingSystemVersion, optionalHeader->MinorOperatingSystemVersion);
203 printf(" image version %u.%02u\n",
204 optionalHeader->MajorImageVersion, optionalHeader->MinorImageVersion);
205 printf(" subsystem version %u.%02u\n",
206 optionalHeader->MajorSubsystemVersion, optionalHeader->MinorSubsystemVersion);
207 printf(" Win32 Version 0x%lX\n", optionalHeader->Win32VersionValue);
208 printf(" size of image 0x%-8lx %lu\n",
209 optionalHeader->SizeOfImage, optionalHeader->SizeOfImage);
210 printf(" size of headers 0x%-8lx %lu\n",
211 optionalHeader->SizeOfHeaders, optionalHeader->SizeOfHeaders);
212 printf(" checksum 0x%lX\n", optionalHeader->CheckSum);
213 switch (optionalHeader->Subsystem)
214 {
215 default:
216 case IMAGE_SUBSYSTEM_UNKNOWN: str = "Unknown"; break;
217 case IMAGE_SUBSYSTEM_NATIVE: str = "Native"; break;
218 case IMAGE_SUBSYSTEM_WINDOWS_GUI: str = "Windows GUI"; break;
219 case IMAGE_SUBSYSTEM_WINDOWS_CUI: str = "Windows CUI"; break;
220 case IMAGE_SUBSYSTEM_OS2_CUI: str = "OS/2 CUI"; break;
221 case IMAGE_SUBSYSTEM_POSIX_CUI: str = "Posix CUI"; break;
222 }
223 printf(" Subsystem 0x%X (%s)\n", optionalHeader->Subsystem, str);
224 printf(" DLL flags 0x%X\n", optionalHeader->DllCharacteristics);
225 printf(" stack reserve size 0x%-8lx %lu\n",
226 optionalHeader->SizeOfStackReserve, optionalHeader->SizeOfStackReserve);
227 printf(" stack commit size 0x%-8lx %lu\n",
228 optionalHeader->SizeOfStackCommit, optionalHeader->SizeOfStackCommit);
229 printf(" heap reserve size 0x%-8lx %lu\n",
230 optionalHeader->SizeOfHeapReserve, optionalHeader->SizeOfHeapReserve);
231 printf(" heap commit size 0x%-8lx %lu\n",
232 optionalHeader->SizeOfHeapCommit, optionalHeader->SizeOfHeapCommit);
233 printf(" loader flags 0x%lX\n", optionalHeader->LoaderFlags);
234 printf(" RVAs & sizes 0x%lX\n", optionalHeader->NumberOfRvaAndSizes);
235 printf("\n");
236
237 printf("Data Directory\n");
238 printf("%ld\n", optionalHeader->NumberOfRvaAndSizes * sizeof(IMAGE_DATA_DIRECTORY));
239
240 for (i = 0; i < optionalHeader->NumberOfRvaAndSizes && i < 16; i++)
241 {
242 printf(" %-12s rva: 0x%-8lX size: %8lu\n",
243 DirectoryNames[i], optionalHeader->DataDirectory[i].VirtualAddress,
244 optionalHeader->DataDirectory[i].Size);
245 }
246 printf("\n");
247 }
248
249 static void dump_sections(void* addr, unsigned num_sect)
250 {
251 IMAGE_SECTION_HEADER* sectHead = addr;
252 unsigned i;
253
254 printf("Section Table\n");
255 for (i = 0; i < num_sect; i++, sectHead++)
256 {
257 printf(" %02d %-8s VirtSize: %-8lu VirtAddr: %-8lu 0x%08lx\n",
258 i + 1, sectHead->Name, sectHead->Misc.VirtualSize, sectHead->VirtualAddress,
259 sectHead->VirtualAddress);
260 printf(" raw data offs: %-8lu raw data size: %-8lu\n",
261 sectHead->PointerToRawData, sectHead->SizeOfRawData);
262 printf(" relocation offs: %-8lu relocations: %-8u\n",
263 sectHead->PointerToRelocations, sectHead->NumberOfRelocations);
264 printf(" line # offs: %-8lu line #'s: %-8u\n",
265 sectHead->PointerToLinenumbers, sectHead->NumberOfLinenumbers);
266 printf(" characteristics: 0x$%08lx\n", sectHead->Characteristics);
267 printf(" ");
268 #define X(b,s) if (sectHead->Characteristics & b) printf(s " ")
269 /* #define IMAGE_SCN_TYPE_REG 0x00000000 - Reserved */
270 /* #define IMAGE_SCN_TYPE_DSECT 0x00000001 - Reserved */
271 /* #define IMAGE_SCN_TYPE_NOLOAD 0x00000002 - Reserved */
272 /* #define IMAGE_SCN_TYPE_GROUP 0x00000004 - Reserved */
273 /* #define IMAGE_SCN_TYPE_NO_PAD 0x00000008 - Reserved */
274 /* #define IMAGE_SCN_TYPE_COPY 0x00000010 - Reserved */
275
276 X(IMAGE_SCN_CNT_CODE, "CODE");
277 X(IMAGE_SCN_CNT_INITIALIZED_DATA, "INITIALIZED_DATA");
278 X(IMAGE_SCN_CNT_UNINITIALIZED_DATA, "UNINITIALIZED_DATA");
279
280 X(IMAGE_SCN_LNK_OTHER, "LNK_OTHER");
281 X(IMAGE_SCN_LNK_INFO, "LNK_INFO");
282 /* #define IMAGE_SCN_TYPE_OVER 0x00000400 - Reserved */
283 X(IMAGE_SCN_LNK_REMOVE, "LNK_REMOVE");
284 X(IMAGE_SCN_LNK_COMDAT, "LNK_COMDAT");
285
286 /* 0x00002000 - Reserved */
287 /* #define IMAGE_SCN_MEM_PROTECTED 0x00004000 - Obsolete */
288 X(IMAGE_SCN_MEM_FARDATA, "MEM_FARDATA");
289
290 /* #define IMAGE_SCN_MEM_SYSHEAP 0x00010000 - Obsolete */
291 X(IMAGE_SCN_MEM_PURGEABLE, "MEM_PURGEABLE");
292 X(IMAGE_SCN_MEM_16BIT, "MEM_16BIT");
293 X(IMAGE_SCN_MEM_LOCKED, "MEM_LOCKED");
294 X(IMAGE_SCN_MEM_PRELOAD, "MEM_PRELOAD");
295
296 X(IMAGE_SCN_ALIGN_1BYTES, "ALIGN_1BYTES");
297 X(IMAGE_SCN_ALIGN_2BYTES, "ALIGN_2BYTES");
298 X(IMAGE_SCN_ALIGN_4BYTES, "ALIGN_4BYTES");
299 X(IMAGE_SCN_ALIGN_8BYTES, "ALIGN_8BYTES");
300 X(IMAGE_SCN_ALIGN_16BYTES, "ALIGN_16BYTES");
301 X(IMAGE_SCN_ALIGN_32BYTES, "ALIGN_32BYTES");
302 X(IMAGE_SCN_ALIGN_64BYTES, "ALIGN_64BYTES");
303 /* 0x00800000 - Unused */
304
305 X(IMAGE_SCN_LNK_NRELOC_OVFL, "LNK_NRELOC_OVFL");
306
307 X(IMAGE_SCN_MEM_DISCARDABLE, "MEM_DISCARDABLE");
308 X(IMAGE_SCN_MEM_NOT_CACHED, "MEM_NOT_CACHED");
309 X(IMAGE_SCN_MEM_NOT_PAGED, "MEM_NOT_PAGED");
310 X(IMAGE_SCN_MEM_SHARED, "MEM_SHARED");
311 X(IMAGE_SCN_MEM_EXECUTE, "MEM_EXECUTE");
312 X(IMAGE_SCN_MEM_READ, "MEM_READ");
313 X(IMAGE_SCN_MEM_WRITE, "MEM_WRITE");
314 #undef X
315 printf("\n\n");
316 }
317 printf("\n");
318 }
319
320 static void dump_dir_exported_functions(void)
321 {
322 IMAGE_EXPORT_DIRECTORY *exportDir = get_dir(IMAGE_FILE_EXPORT_DIRECTORY);
323 unsigned int i;
324 DWORD* pFunc;
325 DWORD* pName;
326 WORD* pOrdl;
327 DWORD* map;
328 parsed_symbol symbol;
329
330 if (!exportDir) return;
331
332 printf("Exports table:\n");
333 printf("\n");
334 printf(" Name: %s\n", (char*)RVA(exportDir->Name, sizeof(DWORD)));
335 printf(" Characteristics: %08lx\n", exportDir->Characteristics);
336 printf(" TimeDateStamp: %08lX %s\n",
337 exportDir->TimeDateStamp, get_time_str(exportDir->TimeDateStamp));
338 printf(" Version: %u.%02u\n", exportDir->MajorVersion, exportDir->MinorVersion);
339 printf(" Ordinal base: %lu\n", exportDir->Base);
340 printf(" # of functions: %lu\n", exportDir->NumberOfFunctions);
341 printf(" # of Names: %lu\n", exportDir->NumberOfNames);
342 printf("Adresses of functions: %08lX\n", exportDir->AddressOfFunctions);
343 printf("Adresses of name ordinals: %08lX\n", exportDir->AddressOfNameOrdinals);
344 printf("Adresses of names: %08lX\n", exportDir->AddressOfNames);
345 printf("\n");
346 printf(" Entry Pt Ordn Name\n");
347
348 pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD));
349 if (!pFunc) {printf("Can't grab functions' address table\n"); return;}
350 pName = RVA(exportDir->AddressOfNames, exportDir->NumberOfNames * sizeof(DWORD));
351 if (!pName) {printf("Can't grab functions' name table\n"); return;}
352 pOrdl = RVA(exportDir->AddressOfNameOrdinals, exportDir->NumberOfNames * sizeof(WORD));
353 if (!pOrdl) {printf("Can't grab functions' ordinal table\n"); return;}
354
355 /* bit map of used funcs */
356 map = calloc(((exportDir->NumberOfFunctions + 31) & ~31) / 32, sizeof(DWORD));
357 if (!map) fatal("no memory");
358
359 for (i = 0; i < exportDir->NumberOfNames; i++, pName++, pOrdl++)
360 {
361 char* name;
362
363 map[*pOrdl / 32] |= 1 << (*pOrdl % 32);
364
365 name = (char*)RVA(*pName, sizeof(DWORD));
366 if (name && globals.do_demangle)
367 {
368 printf(" %08lX %4lu ", pFunc[*pOrdl], exportDir->Base + *pOrdl);
369
370 symbol_init(&symbol, name);
371 if (symbol_demangle(&symbol) == -1)
372 printf(name);
373 else if (symbol.flags & SYM_DATA)
374 printf(symbol.arg_text[0]);
375 else
376 output_prototype(stdout, &symbol);
377 printf("\n");
378 symbol_clear(&symbol);
379 }
380 else
381 {
382 printf(" %08lX %4lu %s\n", pFunc[*pOrdl], exportDir->Base + *pOrdl, name);
383 }
384 }
385 pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD));
386 if (!pFunc) {printf("Can't grab functions' address table\n"); return;}
387 for (i = 0; i < exportDir->NumberOfFunctions; i++)
388 {
389 if (pFunc[i] && !(map[i / 32] & (1 << (i % 32))))
390 {
391 printf(" %08lX %4lu <by ordinal>\n", pFunc[i], exportDir->Base + i);
392 }
393 }
394 free(map);
395 printf("\n");
396 }
397
398 static void dump_dir_imported_functions(void)
399 {
400 IMAGE_IMPORT_DESCRIPTOR *importDesc = get_dir(IMAGE_FILE_IMPORT_DIRECTORY);
401 unsigned nb_imp, i;
402
403 if (!importDesc) return;
404 nb_imp = PE_nt_headers->OptionalHeader.DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY].Size /
405 sizeof(*importDesc);
406 if (!nb_imp) return;
407
408 printf("Import Table size: %lu\n",
409 PE_nt_headers->OptionalHeader.DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY].Size);/* FIXME */
410
411 for (i = 0; i < nb_imp - 1; i++) /* the last descr is set as 0 as a sentinel */
412 {
413 IMAGE_THUNK_DATA* il;
414 IMAGE_IMPORT_BY_NAME* iibn;
415
416 if (!importDesc->Name ||
417 (importDesc->u.OriginalFirstThunk == NULL && importDesc->FirstThunk == NULL))
418 {
419 /* FIXME */
420 printf("<<<<<<<null entry\n");
421 break;
422 }
423 printf(" offset %lu %s\n", Offset(importDesc), (char*)RVA(importDesc->Name, sizeof(DWORD)));
424 printf(" Hint/Name Table: %08lX\n", (DWORD)importDesc->u.OriginalFirstThunk);
425 printf(" TimeDataStamp: %08lX (%s)\n",
426 importDesc->TimeDateStamp, get_time_str(importDesc->TimeDateStamp));
427 printf(" ForwarderChain: %08lX\n", importDesc->ForwarderChain);
428 printf(" First thunk RVA: %08lX (delta: %u 0x%x)\n",
429 (DWORD)importDesc->FirstThunk, -1, -1); /* FIXME */
430
431 printf(" Ordn Name\n");
432
433 il = (importDesc->u.OriginalFirstThunk != 0) ?
434 RVA((DWORD)importDesc->u.OriginalFirstThunk, sizeof(DWORD)) :
435 RVA((DWORD)importDesc->FirstThunk, sizeof(DWORD));
436
437 if (!il) {printf("Can't grab thunk data, going to next imported DLL\n"); continue;}
438
439 for (; il->u1.Ordinal; il++)
440 {
441 if (IMAGE_SNAP_BY_ORDINAL(il->u1.Ordinal))
442 {
443 printf(" %4lu <by ordinal>\n", IMAGE_ORDINAL(il->u1.Ordinal));
444 }
445 else
446 {
447 iibn = RVA((DWORD)il->u1.AddressOfData, sizeof(DWORD));
448 if (!il)
449 {
450 printf("Can't grab import by name info, skipping to next ordinal\n");
451 }
452 else
453 {
454 printf(" %4u %s %lx\n", iibn->Hint, iibn->Name, (DWORD)il->u1.AddressOfData);
455 }
456 }
457 }
458 printf("\n");
459 importDesc++;
460 }
461 printf("\n");
462 }
463
464 static void dump_dir_debug_dir(IMAGE_DEBUG_DIRECTORY* idd, int idx)
465 {
466 const char* str;
467
468 printf("Directory %02u\n", idx + 1);
469 printf(" Characteristics: %08lX\n", idd->Characteristics);
470 printf(" TimeDateStamp: %08lX %s\n",
471 idd->TimeDateStamp, get_time_str(idd->TimeDateStamp));
472 printf(" Version %u.%02u\n", idd->MajorVersion, idd->MinorVersion);
473 switch (idd->Type)
474 {
475 default:
476 case IMAGE_DEBUG_TYPE_UNKNOWN: str = "UNKNOWN"; break;
477 case IMAGE_DEBUG_TYPE_COFF: str = "COFF"; break;
478 case IMAGE_DEBUG_TYPE_CODEVIEW: str = "CODEVIEW"; break;
479 case IMAGE_DEBUG_TYPE_FPO: str = "FPO"; break;
480 case IMAGE_DEBUG_TYPE_MISC: str = "MISC"; break;
481 case IMAGE_DEBUG_TYPE_EXCEPTION: str = "EXCEPTION"; break;
482 case IMAGE_DEBUG_TYPE_FIXUP: str = "FIXUP"; break;
483 case IMAGE_DEBUG_TYPE_OMAP_TO_SRC: str = "OMAP_TO_SRC"; break;
484 case IMAGE_DEBUG_TYPE_OMAP_FROM_SRC:str = "OMAP_FROM_SRC"; break;
485 case IMAGE_DEBUG_TYPE_BORLAND: str = "BORLAND"; break;
486 case IMAGE_DEBUG_TYPE_RESERVED10: str = "RESERVED10"; break;
487 }
488 printf(" Type: %lu (%s)\n", idd->Type, str);
489 printf(" SizeOfData: %lu\n", idd->SizeOfData);
490 printf(" AddressOfRawData: %08lX\n", idd->AddressOfRawData);
491 printf(" PointerToRawData: %08lX\n", idd->PointerToRawData);
492
493 switch (idd->Type)
494 {
495 case IMAGE_DEBUG_TYPE_UNKNOWN:
496 break;
497 case IMAGE_DEBUG_TYPE_COFF:
498 dump_coff(idd->PointerToRawData, idd->SizeOfData);
499 break;
500 case IMAGE_DEBUG_TYPE_CODEVIEW:
501 dump_codeview(idd->PointerToRawData, idd->SizeOfData);
502 break;
503 case IMAGE_DEBUG_TYPE_FPO:
504 dump_frame_pointer_omission(idd->PointerToRawData, idd->SizeOfData);
505 break;
506 case IMAGE_DEBUG_TYPE_MISC:
507 {
508 IMAGE_DEBUG_MISC* misc = PRD(idd->PointerToRawData, idd->SizeOfData);
509 if (!misc) {printf("Can't get misc debug information\n"); break;}
510 printf(" DataType: %lu (%s)\n",
511 misc->DataType,
512 (misc->DataType == IMAGE_DEBUG_MISC_EXENAME) ? "Exe name" : "Unknown");
513 printf(" Length: %lu\n", misc->Length);
514 printf(" Unicode: %s\n", misc->Unicode ? "Yes" : "No");
515 printf(" Data: %s\n", misc->Data);
516 }
517 break;
518 case IMAGE_DEBUG_TYPE_EXCEPTION:
519 break;
520 case IMAGE_DEBUG_TYPE_FIXUP:
521 break;
522 case IMAGE_DEBUG_TYPE_OMAP_TO_SRC:
523 break;
524 case IMAGE_DEBUG_TYPE_OMAP_FROM_SRC:
525 break;
526 case IMAGE_DEBUG_TYPE_BORLAND:
527 break;
528 case IMAGE_DEBUG_TYPE_RESERVED10:
529 break;
530 }
531 printf("\n");
532 }
533
534 static void dump_dir_debug(void)
535 {
536 IMAGE_DEBUG_DIRECTORY* debugDir = get_dir(IMAGE_FILE_DEBUG_DIRECTORY);
537 unsigned nb_dbg, i;
538
539 if (!debugDir) return;
540 nb_dbg = PE_nt_headers->OptionalHeader.DataDirectory[IMAGE_FILE_DEBUG_DIRECTORY].Size /
541 sizeof(*debugDir);
542 if (!nb_dbg) return;
543
544 printf("Debug Table (%u directories)\n", nb_dbg);
545
546 for (i = 0; i < nb_dbg; i++)
547 {
548 dump_dir_debug_dir(debugDir, i);
549 debugDir++;
550 }
551 printf("\n");
552 }
553
554 static void dump_separate_dbg(void)
555 {
556 IMAGE_SEPARATE_DEBUG_HEADER*separateDebugHead = PRD(0, sizeof(separateDebugHead));
557 unsigned nb_dbg;
558 unsigned i;
559 IMAGE_DEBUG_DIRECTORY* debugDir;
560
561 if (!separateDebugHead) {printf("Can't grab the separate header, aborting\n"); return;}
562
563 printf ("Signature: %.2s (0x%4X)\n",
564 (char*)&separateDebugHead->Signature, separateDebugHead->Signature);
565 printf ("Flags: 0x%04X\n", separateDebugHead->Flags);
566 printf ("Machine: 0x%04X (%s)\n",
567 separateDebugHead->Machine, get_machine_str(separateDebugHead->Machine));
568 printf ("Characteristics: 0x%04X\n", separateDebugHead->Characteristics);
569 printf ("TimeDateStamp: 0x%08lX (%s)\n",
570 separateDebugHead->TimeDateStamp, get_time_str(separateDebugHead->TimeDateStamp));
571 printf ("CheckSum: 0x%08lX\n", separateDebugHead->CheckSum);
572 printf ("ImageBase: 0x%08lX\n", separateDebugHead->ImageBase);
573 printf ("SizeOfImage: 0x%08lX\n", separateDebugHead->SizeOfImage);
574 printf ("NumberOfSections: 0x%08lX\n", separateDebugHead->NumberOfSections);
575 printf ("ExportedNamesSize: 0x%08lX\n", separateDebugHead->ExportedNamesSize);
576 printf ("DebugDirectorySize: 0x%08lX\n", separateDebugHead->DebugDirectorySize);
577
578 if (!PRD(sizeof(IMAGE_SEPARATE_DEBUG_HEADER),
579 separateDebugHead->NumberOfSections * sizeof(IMAGE_SECTION_HEADER)))
580 {printf("Can't get the sections, aborting\n"); return;}
581
582 dump_sections(separateDebugHead + 1, separateDebugHead->NumberOfSections);
583
584 nb_dbg = separateDebugHead->DebugDirectorySize / sizeof(IMAGE_DEBUG_DIRECTORY);
585 debugDir = PRD(sizeof(IMAGE_SEPARATE_DEBUG_HEADER) +
586 separateDebugHead->NumberOfSections * sizeof(IMAGE_SECTION_HEADER) +
587 separateDebugHead->ExportedNamesSize,
588 nb_dbg * sizeof(IMAGE_DEBUG_DIRECTORY));
589 if (!debugDir) {printf("Couldn't get the debug directory info, aborting\n");return;}
590
591 printf("Debug Table (%u directories)\n", nb_dbg);
592
593 for (i = 0; i < nb_dbg; i++)
594 {
595 dump_dir_debug_dir(debugDir, i);
596 debugDir++;
597 }
598 }
599
600 static void dump_unicode_str( const WCHAR *str, int len )
601 {
602 if (len == -1) for (len = 0; str[len]; len++) ;
603 printf( "L\"");
604 while (len-- > 0 && *str)
605 {
606 WCHAR c = *str++;
607 switch (c)
608 {
609 case '\n': printf( "\\n" ); break;
610 case '\r': printf( "\\r" ); break;
611 case '\t': printf( "\\t" ); break;
612 case '"': printf( "\\\"" ); break;
613 case '\\': printf( "\\\\" ); break;
614 default:
615 if (c >= ' ' && c <= 126) putchar(c);
616 else printf( "\\u%04x",c);
617 }
618 }
619 printf( "\"" );
620 }
621
622 static const char *get_resource_type( int id )
623 {
624 static const char *types[] =
625 {
626 NULL,
627 "CURSOR",
628 "BITMAP",
629 "ICON",
630 "MENU",
631 "DIALOG",
632 "STRING",
633 "FONTDIR",
634 "FONT",
635 "ACCELERATOR",
636 "RCDATA",
637 "MESSAGETABLE",
638 "GROUP_CURSOR",
639 NULL,
640 "GROUP_ICON",
641 NULL,
642 "VERSION",
643 "DLGINCLUDE",
644 NULL,
645 "PLUGPLAY",
646 "VXD",
647 "ANICURSOR",
648 "ANIICON",
649 "HTML"
650 };
651
652 if (id < sizeof(types)/sizeof(types[0])) return types[id];
653 return NULL;
654 }
655
656 void dump_data( const unsigned char *ptr, unsigned int size, const char *prefix )
657 {
658 unsigned int i, j;
659
660 printf( "%s", prefix );
661 for (i = 0; i < size; i++)
662 {
663 printf( "%02x%c", ptr[i], (i % 16 == 7) ? '-' : ' ' );
664 if ((i % 16) == 15)
665 {
666 printf( " " );
667 for (j = 0; j < 16; j++)
668 printf( "%c", isprint(ptr[i-15+j]) ? ptr[i-15+j] : '.' );
669 if (i < size-1) printf( "\n%s", prefix );
670 }
671 }
672 if (i % 16)
673 {
674 printf( "%*s ", 3 * (16-(i%16)), "" );
675 for (j = 0; j < i % 16; j++)
676 printf( "%c", isprint(ptr[i-(i%16)+j]) ? ptr[i-(i%16)+j] : '.' );
677 }
678 printf( "\n" );
679 }
680
681 static void dump_dir_resource(void)
682 {
683 const IMAGE_RESOURCE_DIRECTORY *root = get_dir(IMAGE_FILE_RESOURCE_DIRECTORY);
684 const IMAGE_RESOURCE_DIRECTORY *namedir;
685 const IMAGE_RESOURCE_DIRECTORY *langdir;
686 const IMAGE_RESOURCE_DIRECTORY_ENTRY *e1, *e2, *e3;
687 const IMAGE_RESOURCE_DIR_STRING_U *string;
688 const IMAGE_RESOURCE_DATA_ENTRY *data;
689 int i, j, k;
690
691 if (!root) return;
692
693 printf( "Resources:" );
694
695 for (i = 0; i< root->NumberOfNamedEntries + root->NumberOfIdEntries; i++)
696 {
697 e1 = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(root + 1) + i;
698 namedir = (IMAGE_RESOURCE_DIRECTORY *)((char *)root + e1->u2.s3.OffsetToDirectory);
699 for (j = 0; j < namedir->NumberOfNamedEntries + namedir->NumberOfIdEntries; j++)
700 {
701 e2 = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(namedir + 1) + j;
702 langdir = (IMAGE_RESOURCE_DIRECTORY *)((char *)root + e2->u2.s3.OffsetToDirectory);
703 for (k = 0; k < langdir->NumberOfNamedEntries + langdir->NumberOfIdEntries; k++)
704 {
705 e3 = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(langdir + 1) + k;
706
707 printf( "\n " );
708 if (e1->u1.s1.NameIsString)
709 {
710 string = (PIMAGE_RESOURCE_DIR_STRING_U)((char *)root + e1->u1.s1.NameOffset);
711 dump_unicode_str( string->NameString, string->Length );
712 }
713 else
714 {
715 const char *type = get_resource_type( e1->u1.s2.Id );
716 if (type) printf( "%s", type );
717 else printf( "%04x", e1->u1.s2.Id );
718 }
719
720 printf( " Name=" );
721 if (e2->u1.s1.NameIsString)
722 {
723 string = (PIMAGE_RESOURCE_DIR_STRING_U) ((char *)root + e2->u1.s1.NameOffset);
724 dump_unicode_str( string->NameString, string->Length );
725 }
726 else
727 printf( "%04x", e2->u1.s2.Id );
728
729 printf( " Language=%04x:\n", e3->u1.s2.Id );
730 data = (IMAGE_RESOURCE_DATA_ENTRY *)((char *)root + e3->u2.OffsetToData);
731 dump_data( RVA( data->OffsetToData, data->Size ), data->Size, " " );
732 }
733 }
734 }
735 printf( "\n\n" );
736 }
737
738 static void do_dump( enum FileSig sig )
739 {
740 int all = (globals.dumpsect != NULL) && strcmp(globals.dumpsect, "ALL") == 0;
741
742 if (sig == SIG_NE)
743 {
744 ne_dump( PE_base, PE_total_len );
745 return;
746 }
747
748 if (globals.do_dumpheader)
749 {
750 dump_pe_header();
751 /* FIXME: should check ptr */
752 dump_sections((char*)PE_nt_headers + sizeof(DWORD) +
753 sizeof(IMAGE_FILE_HEADER) + PE_nt_headers->FileHeader.SizeOfOptionalHeader,
754 PE_nt_headers->FileHeader.NumberOfSections);
755 }
756 else if (!globals.dumpsect)
757 {
758 /* show at least something here */
759 dump_pe_header();
760 }
761
762 if (globals.dumpsect)
763 {
764 if (all || !strcmp(globals.dumpsect, "import"))
765 dump_dir_imported_functions();
766 if (all || !strcmp(globals.dumpsect, "export"))
767 dump_dir_exported_functions();
768 if (all || !strcmp(globals.dumpsect, "debug"))
769 dump_dir_debug();
770 if (all || !strcmp(globals.dumpsect, "resource"))
771 dump_dir_resource();
772 #if 0
773 /* FIXME: not implemented yet */
774 if (all || !strcmp(globals.dumpsect, "reloc"))
775 dump_dir_reloc();
776 #endif
777 }
778 }
779
780 static enum FileSig check_headers(void)
781 {
782 WORD* pw;
783 DWORD* pdw;
784 IMAGE_DOS_HEADER* dh;
785 enum FileSig sig;
786
787 pw = PRD(0, sizeof(WORD));
788 if (!pw) {printf("Can't get main signature, aborting\n"); return 0;}
789
790 switch (*pw)
791 {
792 case IMAGE_DOS_SIGNATURE:
793 sig = SIG_DOS;
794 dh = PRD(0, sizeof(IMAGE_DOS_HEADER));
795 if (dh && dh->e_lfanew >= sizeof(*dh)) /* reasonable DOS header ? */
796 {
797 /* the signature is the first DWORD */
798 pdw = PRD(dh->e_lfanew, sizeof(DWORD));
799 if (pdw)
800 {
801 if (*pdw == IMAGE_NT_SIGNATURE)
802 {
803 PE_nt_headers = PRD(dh->e_lfanew, sizeof(DWORD));
804 sig = SIG_PE;
805 }
806 else if (*(WORD *)pdw == IMAGE_OS2_SIGNATURE)
807 {
808 sig = SIG_NE;
809 }
810 else
811 {
812 printf("No PE Signature found\n");
813 }
814 }
815 else
816 {
817 printf("Can't get the extented signature, aborting\n");
818 }
819 }
820 break;
821 case 0x4944: /* "DI" */
822 sig = SIG_DBG;
823 break;
824 default:
825 printf("No known main signature (%.2s/%x), aborting\n", (char*)pw, *pw);
826 sig = SIG_UNKNOWN;
827 }
828
829 return sig;
830 }
831
832 int pe_analysis(const char* name, void (*fn)(enum FileSig), enum FileSig wanted_sig)
833 {
834 int fd;
835 enum FileSig effective_sig;
836 int ret = 1;
837 struct stat s;
838
839 setbuf(stdout, NULL);
840
841 fd = open(name, O_RDONLY | O_BINARY);
842 if (fd == -1) fatal("Can't open file");
843
844 if (fstat(fd, &s) < 0) fatal("Can't get size");
845 PE_total_len = s.st_size;
846
847 #ifdef HAVE_MMAP
848 if ((PE_base = mmap(NULL, PE_total_len, PROT_READ, MAP_PRIVATE, fd, 0)) == (void *)-1)
849 #endif
850 {
851 if (!(PE_base = malloc( PE_total_len ))) fatal( "Out of memory" );
852 if (read( fd, PE_base, PE_total_len ) != PE_total_len) fatal( "Cannot read file" );
853 }
854
855 effective_sig = check_headers();
856
857 if (effective_sig == SIG_UNKNOWN)
858 {
859 printf("Can't get a recognized file signature, aborting\n");
860 ret = 0;
861 }
862 else if (wanted_sig == SIG_UNKNOWN || wanted_sig == effective_sig)
863 {
864 switch (effective_sig)
865 {
866 case SIG_UNKNOWN: /* shouldn't happen... */
867 ret = 0; break;
868 case SIG_PE:
869 case SIG_NE:
870 printf("Contents of \"%s\": %ld bytes\n\n", name, PE_total_len);
871 (*fn)(effective_sig);
872 break;
873 case SIG_DBG:
874 dump_separate_dbg();
875 break;
876 case SIG_DOS:
877 ret = 0; break;
878 }
879 }
880 else
881 {
882 printf("Can't get a suitable file signature, aborting\n");
883 ret = 0;
884 }
885
886 if (ret) printf("Done dumping %s\n", name);
887 #ifdef HAVE_MMAP
888 if (munmap(PE_base, PE_total_len) == -1)
889 #endif
890 {
891 free( PE_base );
892 }
893 close(fd);
894
895 return ret;
896 }
897
898 void dump_file(const char* name)
899 {
900 pe_analysis(name, do_dump, SIG_UNKNOWN);
901 }
902
903 #if 0
904 int main(int argc, char* argv[])
905 {
906 if (argc != 2) fatal("usage");
907 pe_analysis(argv[1], do_dump);
908 }
909 #endif
910
911 typedef struct _dll_symbol {
912 size_t ordinal;
913 char *symbol;
914 } dll_symbol;
915
916 static dll_symbol *dll_symbols = NULL;
917 static dll_symbol *dll_current_symbol = NULL;
918
919 /* Compare symbols by ordinal for qsort */
920 static int symbol_cmp(const void *left, const void *right)
921 {
922 return ((dll_symbol *)left)->ordinal > ((dll_symbol *)right)->ordinal;
923 }
924
925 /*******************************************************************
926 * dll_close
927 *
928 * Free resources used by DLL
929 */
930 /* FIXME: Not used yet
931 static void dll_close (void)
932 {
933 dll_symbol* ds;
934
935 if (!dll_symbols) {
936 fatal("No symbols");
937 }
938 for (ds = dll_symbols; ds->symbol; ds++)
939 free(ds->symbol);
940 free (dll_symbols);
941 dll_symbols = NULL;
942 }
943 */
944
945 static void do_grab_sym( enum FileSig sig )
946 {
947 IMAGE_EXPORT_DIRECTORY *exportDir = get_dir(IMAGE_FILE_EXPORT_DIRECTORY);
948 unsigned i, j;
949 DWORD* pName;
950 DWORD* pFunc;
951 WORD* pOrdl;
952 char* ptr;
953 DWORD* map;
954
955 if (!exportDir) return;
956
957 pName = RVA(exportDir->AddressOfNames, exportDir->NumberOfNames * sizeof(DWORD));
958 if (!pName) {printf("Can't grab functions' name table\n"); return;}
959 pOrdl = RVA(exportDir->AddressOfNameOrdinals, exportDir->NumberOfNames * sizeof(WORD));
960 if (!pOrdl) {printf("Can't grab functions' ordinal table\n"); return;}
961
962 /* dll_close(); */
963
964 if (!(dll_symbols = (dll_symbol *) malloc((exportDir->NumberOfFunctions + 1) *
965 sizeof (dll_symbol))))
966 fatal ("Out of memory");
967 if (exportDir->AddressOfFunctions != exportDir->NumberOfNames || exportDir->Base > 1)
968 globals.do_ordinals = 1;
969
970 /* bit map of used funcs */
971 map = calloc(((exportDir->NumberOfFunctions + 31) & ~31) / 32, sizeof(DWORD));
972 if (!map) fatal("no memory");
973
974 for (j = 0; j < exportDir->NumberOfNames; j++, pOrdl++)
975 {
976 map[*pOrdl / 32] |= 1 << (*pOrdl % 32);
977 ptr = RVA(*pName++, sizeof(DWORD));
978 if (!ptr) ptr = "cant_get_function";
979 dll_symbols[j].symbol = strdup(ptr);
980 dll_symbols[j].ordinal = -1; /* indicate non-ordinal symbol */
981 assert(dll_symbols[j].symbol);
982 }
983 pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD));
984 if (!pFunc) {printf("Can't grab functions' address table\n"); return;}
985
986 for (i = 0; i < exportDir->NumberOfFunctions; i++)
987 {
988 if (pFunc[i] && !(map[i / 32] & (1 << (i % 32))))
989 {
990 char ordinal_text[256];
991 /* Ordinal only entry */
992 snprintf (ordinal_text, sizeof(ordinal_text), "%s_%lu",
993 globals.forward_dll ? globals.forward_dll : OUTPUT_UC_DLL_NAME,
994 exportDir->Base + i);
995 str_toupper(ordinal_text);
996 dll_symbols[j].symbol = strdup(ordinal_text);
997 assert(dll_symbols[j].symbol);
998 dll_symbols[j].ordinal = exportDir->Base + i;
999 j++;
1000 assert(j <= exportDir->NumberOfFunctions);
1001 }
1002 }
1003 free(map);
1004
1005 if (NORMAL)
1006 printf("%lu named symbols in DLL, %lu total\n",
1007 exportDir->NumberOfNames, exportDir->NumberOfFunctions);
1008
1009 qsort( dll_symbols, exportDir->NumberOfFunctions, sizeof(dll_symbol), symbol_cmp );
1010
1011 dll_symbols[exportDir->NumberOfFunctions].symbol = NULL;
1012
1013 dll_current_symbol = dll_symbols;
1014 }
1015
1016 /*******************************************************************
1017 * dll_open
1018 *
1019 * Open a DLL and read in exported symbols
1020 */
1021 void dll_open (const char *dll_name)
1022 {
1023 pe_analysis(dll_name, do_grab_sym, SIG_PE);
1024 }
1025
1026 /*******************************************************************
1027 * dll_next_symbol
1028 *
1029 * Get next exported symbol from dll
1030 */
1031 int dll_next_symbol (parsed_symbol * sym)
1032 {
1033 if (!dll_current_symbol->symbol)
1034 return 1;
1035
1036 assert (dll_symbols);
1037
1038 sym->symbol = strdup (dll_current_symbol->symbol);
1039 sym->ordinal = dll_current_symbol->ordinal;
1040 dll_current_symbol++;
1041 return 0;
1042 }
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