?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Added fallback read() for missing/failing mmap().
[wine.git] / tools / winedump / pe.c
blob14a71ff47527f31ff17cb7db7eed68876c7b7c3f
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 #include <unistd.h>
27 #include <time.h>
28 #include <sys/types.h>
29 #include <sys/stat.h>
30 #ifdef HAVE_SYS_MMAN_H
31 #include <sys/mman.h>
32 #endif
33 #include <fcntl.h>
34
35 #include "winnt.h"
36 #include "winedump.h"
37 #include "pe.h"
38
39 static void* base;
40 static unsigned long total_len;
41 static IMAGE_NT_HEADERS* nt_headers;
42
43 enum FileSig {SIG_UNKNOWN, SIG_DOS, SIG_PE, SIG_DBG};
44
45 char* get_time_str(DWORD _t)
46 {
47 time_t t = (time_t)_t;
48 static char buf[128];
49
50 /* FIXME: I don't get the same values from MS' pedump running under Wine...
51 * I wonder if Wine isn't broken wrt to GMT settings...
52 */
53 strncpy(buf, ctime(&t), sizeof(buf));
54 buf[sizeof(buf) - 1] = '\0';
55 if (buf[strlen(buf)-1] == '\n')
56 buf[strlen(buf)-1] = '\0';
57 return buf;
58 }
59
60 static const char* get_machine_str(DWORD mach)
61 {
62 switch (mach)
63 {
64 case IMAGE_FILE_MACHINE_UNKNOWN: return "Unknown";
65 case IMAGE_FILE_MACHINE_I860: return "i860";
66 case IMAGE_FILE_MACHINE_I386: return "i386";
67 case IMAGE_FILE_MACHINE_R3000: return "R3000";
68 case IMAGE_FILE_MACHINE_R4000: return "R4000";
69 case IMAGE_FILE_MACHINE_R10000: return "R10000";
70 case IMAGE_FILE_MACHINE_ALPHA: return "Alpha";
71 case IMAGE_FILE_MACHINE_POWERPC: return "PowerPC";
72 }
73 return "???";
74 }
75
76 void* PRD(unsigned long prd, unsigned long len)
77 {
78 return (prd + len > total_len) ? NULL : (char*)base + prd;
79 }
80
81 unsigned long Offset(void* ptr)
82 {
83 if (ptr < base) {printf("<<<<<ptr below\n");return 0;}
84 if (ptr >= base + total_len) {printf("<<<<<ptr above\n");return 0;}
85 return ptr - base;
86 }
87
88 void* RVA(unsigned long rva, unsigned long len)
89 {
90 IMAGE_SECTION_HEADER* sectHead;
91 int i;
92
93 sectHead = (IMAGE_SECTION_HEADER*)((char*)nt_headers + sizeof(DWORD) +
94 sizeof(IMAGE_FILE_HEADER) +
95 nt_headers->FileHeader.SizeOfOptionalHeader);
96
97 if (rva == 0) return NULL;
98
99 for (i = nt_headers->FileHeader.NumberOfSections - 1; i >= 0; i--)
100 {
101 if (sectHead[i].VirtualAddress <= rva &&
102 rva + len <= (DWORD)sectHead[i].VirtualAddress + sectHead[i].SizeOfRawData)
103 break;
104 }
105
106 if (i < 0)
107 {
108 printf("rva not found in any section (%lu)\n", rva);
109 return NULL;
110 }
111
112 /* return image import directory offset */
113 return PRD(sectHead[i].PointerToRawData + rva - sectHead[i].VirtualAddress, len);
114 }
115
116 static void* get_dir(unsigned idx)
117 {
118 if (idx >= nt_headers->OptionalHeader.NumberOfRvaAndSizes)
119 return NULL;
120 return RVA(nt_headers->OptionalHeader.DataDirectory[idx].VirtualAddress,
121 nt_headers->OptionalHeader.DataDirectory[idx].Size);
122 }
123
124 static const char* DirectoryNames[16] = {
125 "EXPORT", "IMPORT", "RESOURCE", "EXCEPTION",
126 "SECURITY", "BASERELOC", "DEBUG", "ARCHITECTURE",
127 "GLOBALPTR", "TLS", "LOAD_CONFIG", "Bound IAT",
128 "IAT", "Delay IAT", "COM Descript", ""
129 };
130
131 static void dump_pe_header(void)
132 {
133 char *str;
134 IMAGE_FILE_HEADER *fileHeader;
135 IMAGE_OPTIONAL_HEADER *optionalHeader;
136 unsigned i;
137
138 printf("File Header\n");
139 fileHeader = &nt_headers->FileHeader;
140
141 printf(" Machine: %04X (%s)\n",
142 fileHeader->Machine, get_machine_str(fileHeader->Machine));
143 printf(" Number of Sections: %d\n", fileHeader->NumberOfSections);
144 printf(" TimeDateStamp: %08lX (%s) offset %ld\n",
145 fileHeader->TimeDateStamp, get_time_str(fileHeader->TimeDateStamp),
146 Offset(&(fileHeader->TimeDateStamp)));
147 printf(" PointerToSymbolTable: %08lX\n", fileHeader->PointerToSymbolTable);
148 printf(" NumberOfSymbols: %08lX\n", fileHeader->NumberOfSymbols);
149 printf(" SizeOfOptionalHeader: %04X\n", fileHeader->SizeOfOptionalHeader);
150 printf(" Characteristics: %04X\n", fileHeader->Characteristics);
151 #define X(f,s) if (fileHeader->Characteristics & f) printf(" %s\n", s)
152 X(IMAGE_FILE_RELOCS_STRIPPED, "RELOCS_STRIPPED");
153 X(IMAGE_FILE_EXECUTABLE_IMAGE, "EXECUTABLE_IMAGE");
154 X(IMAGE_FILE_LINE_NUMS_STRIPPED, "LINE_NUMS_STRIPPED");
155 X(IMAGE_FILE_LOCAL_SYMS_STRIPPED, "LOCAL_SYMS_STRIPPED");
156 X(IMAGE_FILE_16BIT_MACHINE, "16BIT_MACHINE");
157 X(IMAGE_FILE_BYTES_REVERSED_LO, "BYTES_REVERSED_LO");
158 X(IMAGE_FILE_32BIT_MACHINE, "32BIT_MACHINE");
159 X(IMAGE_FILE_DEBUG_STRIPPED, "DEBUG_STRIPPED");
160 X(IMAGE_FILE_SYSTEM, "SYSTEM");
161 X(IMAGE_FILE_DLL, "DLL");
162 X(IMAGE_FILE_BYTES_REVERSED_HI, "BYTES_REVERSED_HI");
163 #undef X
164 printf("\n");
165
166 /* hope we have the right size */
167 printf("Optional Header\n");
168 optionalHeader = &nt_headers->OptionalHeader;
169 printf(" Magic 0x%-4X %u\n",
170 optionalHeader->Magic, optionalHeader->Magic);
171 printf(" linker version %u.%02u\n",
172 optionalHeader->MajorLinkerVersion, optionalHeader->MinorLinkerVersion);
173 printf(" size of code 0x%-8lx %lu\n",
174 optionalHeader->SizeOfCode, optionalHeader->SizeOfCode);
175 printf(" size of initialized data 0x%-8lx %lu\n",
176 optionalHeader->SizeOfInitializedData, optionalHeader->SizeOfInitializedData);
177 printf(" size of uninitialized data 0x%-8lx %lu\n",
178 optionalHeader->SizeOfUninitializedData, optionalHeader->SizeOfUninitializedData);
179 printf(" entrypoint RVA 0x%-8lx %lu\n",
180 optionalHeader->AddressOfEntryPoint, optionalHeader->AddressOfEntryPoint);
181 printf(" base of code 0x%-8lx %lu\n",
182 optionalHeader->BaseOfCode, optionalHeader->BaseOfCode);
183 printf(" base of data 0x%-8lX %lu\n",
184 optionalHeader->BaseOfData, optionalHeader->BaseOfData);
185 printf(" image base 0x%-8lX %lu\n",
186 optionalHeader->ImageBase, optionalHeader->ImageBase);
187 printf(" section align 0x%-8lx %lu\n",
188 optionalHeader->SectionAlignment, optionalHeader->SectionAlignment);
189 printf(" file align 0x%-8lx %lu\n",
190 optionalHeader->FileAlignment, optionalHeader->FileAlignment);
191 printf(" required OS version %u.%02u\n",
192 optionalHeader->MajorOperatingSystemVersion, optionalHeader->MinorOperatingSystemVersion);
193 printf(" image version %u.%02u\n",
194 optionalHeader->MajorImageVersion, optionalHeader->MinorImageVersion);
195 printf(" subsystem version %u.%02u\n",
196 optionalHeader->MajorSubsystemVersion, optionalHeader->MinorSubsystemVersion);
197 printf(" Win32 Version 0x%lX\n", optionalHeader->Win32VersionValue);
198 printf(" size of image 0x%-8lx %lu\n",
199 optionalHeader->SizeOfImage, optionalHeader->SizeOfImage);
200 printf(" size of headers 0x%-8lx %lu\n",
201 optionalHeader->SizeOfHeaders, optionalHeader->SizeOfHeaders);
202 printf(" checksum 0x%lX\n", optionalHeader->CheckSum);
203 switch (optionalHeader->Subsystem)
204 {
205 default:
206 case IMAGE_SUBSYSTEM_UNKNOWN: str = "Unknown"; break;
207 case IMAGE_SUBSYSTEM_NATIVE: str = "Native"; break;
208 case IMAGE_SUBSYSTEM_WINDOWS_GUI: str = "Windows GUI"; break;
209 case IMAGE_SUBSYSTEM_WINDOWS_CUI: str = "Windows CUI"; break;
210 case IMAGE_SUBSYSTEM_OS2_CUI: str = "OS/2 CUI"; break;
211 case IMAGE_SUBSYSTEM_POSIX_CUI: str = "Posix CUI"; break;
212 }
213 printf(" Subsystem 0x%X (%s)\n", optionalHeader->Subsystem, str);
214 printf(" DLL flags 0x%X\n", optionalHeader->DllCharacteristics);
215 printf(" stack reserve size 0x%-8lx %lu\n",
216 optionalHeader->SizeOfStackReserve, optionalHeader->SizeOfStackReserve);
217 printf(" stack commit size 0x%-8lx %lu\n",
218 optionalHeader->SizeOfStackCommit, optionalHeader->SizeOfStackCommit);
219 printf(" heap reserve size 0x%-8lx %lu\n",
220 optionalHeader->SizeOfHeapReserve, optionalHeader->SizeOfHeapReserve);
221 printf(" heap commit size 0x%-8lx %lu\n",
222 optionalHeader->SizeOfHeapCommit, optionalHeader->SizeOfHeapCommit);
223 printf(" loader flags 0x%lX\n", optionalHeader->LoaderFlags);
224 printf(" RVAs & sizes 0x%lX\n", optionalHeader->NumberOfRvaAndSizes);
225 printf("\n");
226
227 printf("Data Directory\n");
228 printf("%ld\n", optionalHeader->NumberOfRvaAndSizes * sizeof(IMAGE_DATA_DIRECTORY));
229
230 for (i = 0; i < optionalHeader->NumberOfRvaAndSizes && i < 16; i++)
231 {
232 printf(" %-12s rva: 0x%-8lX size: %8lu\n",
233 DirectoryNames[i], optionalHeader->DataDirectory[i].VirtualAddress,
234 optionalHeader->DataDirectory[i].Size);
235 }
236 printf("\n");
237 }
238
239 static void dump_sections(void* addr, unsigned num_sect)
240 {
241 IMAGE_SECTION_HEADER* sectHead = addr;
242 unsigned i;
243
244 printf("Section Table\n");
245 for (i = 0; i < num_sect; i++, sectHead++)
246 {
247 printf(" %02d %-8s VirtSize: %-8lu VirtAddr: %-8lu 0x%08lx\n",
248 i + 1, sectHead->Name, sectHead->Misc.VirtualSize, sectHead->VirtualAddress,
249 sectHead->VirtualAddress);
250 printf(" raw data offs: %-8lu raw data size: %-8lu\n",
251 sectHead->PointerToRawData, sectHead->SizeOfRawData);
252 printf(" relocation offs: %-8lu relocations: %-8u\n",
253 sectHead->PointerToRelocations, sectHead->NumberOfRelocations);
254 printf(" line # offs: %-8lu line #'s: %-8u\n",
255 sectHead->PointerToLinenumbers, sectHead->NumberOfLinenumbers);
256 printf(" characteristics: 0x$%08lx\n", sectHead->Characteristics);
257 printf(" ");
258 #define X(b,s) if (sectHead->Characteristics & b) printf(s " ")
259 /* #define IMAGE_SCN_TYPE_REG 0x00000000 - Reserved */
260 /* #define IMAGE_SCN_TYPE_DSECT 0x00000001 - Reserved */
261 /* #define IMAGE_SCN_TYPE_NOLOAD 0x00000002 - Reserved */
262 /* #define IMAGE_SCN_TYPE_GROUP 0x00000004 - Reserved */
263 /* #define IMAGE_SCN_TYPE_NO_PAD 0x00000008 - Reserved */
264 /* #define IMAGE_SCN_TYPE_COPY 0x00000010 - Reserved */
265
266 X(IMAGE_SCN_CNT_CODE, "CODE");
267 X(IMAGE_SCN_CNT_INITIALIZED_DATA, "INITIALIZED_DATA");
268 X(IMAGE_SCN_CNT_UNINITIALIZED_DATA, "UNINITIALIZED_DATA");
269
270 X(IMAGE_SCN_LNK_OTHER, "LNK_OTHER");
271 X(IMAGE_SCN_LNK_INFO, "LNK_INFO");
272 /* #define IMAGE_SCN_TYPE_OVER 0x00000400 - Reserved */
273 X(IMAGE_SCN_LNK_REMOVE, "LNK_REMOVE");
274 X(IMAGE_SCN_LNK_COMDAT, "LNK_COMDAT");
275
276 /* 0x00002000 - Reserved */
277 /* #define IMAGE_SCN_MEM_PROTECTED 0x00004000 - Obsolete */
278 X(IMAGE_SCN_MEM_FARDATA, "MEM_FARDATA");
279
280 /* #define IMAGE_SCN_MEM_SYSHEAP 0x00010000 - Obsolete */
281 X(IMAGE_SCN_MEM_PURGEABLE, "MEM_PURGEABLE");
282 X(IMAGE_SCN_MEM_16BIT, "MEM_16BIT");
283 X(IMAGE_SCN_MEM_LOCKED, "MEM_LOCKED");
284 X(IMAGE_SCN_MEM_PRELOAD, "MEM_PRELOAD");
285
286 X(IMAGE_SCN_ALIGN_1BYTES, "ALIGN_1BYTES");
287 X(IMAGE_SCN_ALIGN_2BYTES, "ALIGN_2BYTES");
288 X(IMAGE_SCN_ALIGN_4BYTES, "ALIGN_4BYTES");
289 X(IMAGE_SCN_ALIGN_8BYTES, "ALIGN_8BYTES");
290 X(IMAGE_SCN_ALIGN_16BYTES, "ALIGN_16BYTES");
291 X(IMAGE_SCN_ALIGN_32BYTES, "ALIGN_32BYTES");
292 X(IMAGE_SCN_ALIGN_64BYTES, "ALIGN_64BYTES");
293 /* 0x00800000 - Unused */
294
295 X(IMAGE_SCN_LNK_NRELOC_OVFL, "LNK_NRELOC_OVFL");
296
297 X(IMAGE_SCN_MEM_DISCARDABLE, "MEM_DISCARDABLE");
298 X(IMAGE_SCN_MEM_NOT_CACHED, "MEM_NOT_CACHED");
299 X(IMAGE_SCN_MEM_NOT_PAGED, "MEM_NOT_PAGED");
300 X(IMAGE_SCN_MEM_SHARED, "MEM_SHARED");
301 X(IMAGE_SCN_MEM_EXECUTE, "MEM_EXECUTE");
302 X(IMAGE_SCN_MEM_READ, "MEM_READ");
303 X(IMAGE_SCN_MEM_WRITE, "MEM_WRITE");
304 #undef X
305 printf("\n\n");
306 }
307 printf("\n");
308 }
309
310 static void dump_dir_exported_functions(void)
311 {
312 IMAGE_EXPORT_DIRECTORY *exportDir = get_dir(IMAGE_FILE_EXPORT_DIRECTORY);
313 unsigned int i;
314 DWORD* pFunc;
315 DWORD* pName;
316 WORD* pOrdl;
317 DWORD* map;
318 parsed_symbol symbol;
319
320 if (!exportDir) return;
321
322 printf("Exports table:\n");
323 printf("\n");
324 printf(" Name: %s\n", (char*)RVA(exportDir->Name, sizeof(DWORD)));
325 printf(" Characteristics: %08lx\n", exportDir->Characteristics);
326 printf(" TimeDateStamp: %08lX %s\n",
327 exportDir->TimeDateStamp, get_time_str(exportDir->TimeDateStamp));
328 printf(" Version: %u.%02u\n", exportDir->MajorVersion, exportDir->MinorVersion);
329 printf(" Ordinal base: %lu\n", exportDir->Base);
330 printf(" # of functions: %lu\n", exportDir->NumberOfFunctions);
331 printf(" # of Names: %lu\n", exportDir->NumberOfNames);
332 printf("Adresses of functions: %08lX\n", exportDir->AddressOfFunctions);
333 printf("Adresses of name ordinals: %08lX\n", exportDir->AddressOfNameOrdinals);
334 printf("Adresses of names: %08lX\n", exportDir->AddressOfNames);
335 printf("\n");
336 printf(" Entry Pt Ordn Name\n");
337
338 pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD));
339 if (!pFunc) {printf("Can't grab functions' address table\n"); return;}
340 pName = RVA(exportDir->AddressOfNames, exportDir->NumberOfNames * sizeof(DWORD));
341 if (!pName) {printf("Can't grab functions' name table\n"); return;}
342 pOrdl = RVA(exportDir->AddressOfNameOrdinals, exportDir->NumberOfNames * sizeof(WORD));
343 if (!pOrdl) {printf("Can't grab functions' ordinal table\n"); return;}
344
345 /* bit map of used funcs */
346 map = calloc(((exportDir->NumberOfFunctions + 31) & ~31) / 32, sizeof(DWORD));
347 if (!map) fatal("no memory");
348
349 for (i = 0; i < exportDir->NumberOfNames; i++, pName++, pOrdl++)
350 {
351 char* name;
352
353 map[*pOrdl / 32] |= 1 << (*pOrdl % 32);
354
355 name = (char*)RVA(*pName, sizeof(DWORD));
356 if (name && globals.do_demangle)
357 {
358 printf(" %08lX %4lu ", pFunc[*pOrdl], exportDir->Base + *pOrdl);
359
360 symbol_init(&symbol, name);
361 if (symbol_demangle(&symbol) == -1)
362 printf(name);
363 else if (symbol.flags & SYM_DATA)
364 printf(symbol.arg_text[0]);
365 else
366 output_prototype(stdout, &symbol);
367 printf("\n");
368 symbol_clear(&symbol);
369 }
370 else
371 {
372 printf(" %08lX %4lu %s\n", pFunc[*pOrdl], exportDir->Base + *pOrdl, name);
373 }
374 }
375 pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD));
376 if (!pFunc) {printf("Can't grab functions' address table\n"); return;}
377 for (i = 0; i < exportDir->NumberOfFunctions; i++)
378 {
379 if (pFunc[i] && !(map[i / 32] & (1 << (i % 32))))
380 {
381 printf(" %08lX %4lu <by ordinal>\n", pFunc[i], exportDir->Base + i);
382 }
383 }
384 free(map);
385 printf("\n");
386 }
387
388 static void dump_dir_imported_functions(void)
389 {
390 IMAGE_IMPORT_DESCRIPTOR *importDesc = get_dir(IMAGE_FILE_IMPORT_DIRECTORY);
391 unsigned nb_imp, i;
392
393 if (!importDesc) return;
394 nb_imp = nt_headers->OptionalHeader.DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY].Size /
395 sizeof(*importDesc);
396 if (!nb_imp) return;
397
398 printf("Import Table size: %lu\n",
399 nt_headers->OptionalHeader.DataDirectory[IMAGE_FILE_IMPORT_DIRECTORY].Size);/* FIXME */
400
401 for (i = 0; i < nb_imp - 1; i++) /* the last descr is set as 0 as a sentinel */
402 {
403 IMAGE_THUNK_DATA* il;
404 IMAGE_IMPORT_BY_NAME* iibn;
405
406 if (!importDesc->Name ||
407 (importDesc->u.OriginalFirstThunk == NULL && importDesc->FirstThunk == NULL))
408 {
409 /* FIXME */
410 printf("<<<<<<<null entry\n");
411 break;
412 }
413 printf(" offset %lu %s\n", Offset(importDesc), (char*)RVA(importDesc->Name, sizeof(DWORD)));
414 printf(" Hint/Name Table: %08lX\n", (DWORD)importDesc->u.OriginalFirstThunk);
415 printf(" TimeDataStamp: %08lX (%s)\n",
416 importDesc->TimeDateStamp, get_time_str(importDesc->TimeDateStamp));
417 printf(" ForwarderChain: %08lX\n", importDesc->ForwarderChain);
418 printf(" First thunk RVA: %08lX (delta: %u 0x%x)\n",
419 (DWORD)importDesc->FirstThunk, -1, -1); /* FIXME */
420
421 printf(" Ordn Name\n");
422
423 il = (importDesc->u.OriginalFirstThunk != 0) ?
424 RVA((DWORD)importDesc->u.OriginalFirstThunk, sizeof(DWORD)) :
425 RVA((DWORD)importDesc->FirstThunk, sizeof(DWORD));
426
427 if (!il) {printf("Can't grab thunk data, going to next imported DLL\n"); continue;}
428
429 for (; il->u1.Ordinal; il++)
430 {
431 if (IMAGE_SNAP_BY_ORDINAL(il->u1.Ordinal))
432 {
433 printf(" %4lu <by ordinal>\n", IMAGE_ORDINAL(il->u1.Ordinal));
434 }
435 else
436 {
437 iibn = RVA((DWORD)il->u1.AddressOfData, sizeof(DWORD));
438 if (!il)
439 {
440 printf("Can't grab import by name info, skipping to next ordinal\n");
441 }
442 else
443 {
444 printf(" %4u %s %lx\n", iibn->Hint, iibn->Name, (DWORD)il->u1.AddressOfData);
445 }
446 }
447 }
448 printf("\n");
449 importDesc++;
450 }
451 printf("\n");
452 }
453
454 static void dump_dir_debug_dir(IMAGE_DEBUG_DIRECTORY* idd, int idx)
455 {
456 const char* str;
457
458 printf("Directory %02u\n", idx + 1);
459 printf(" Characteristics: %08lX\n", idd->Characteristics);
460 printf(" TimeDateStamp: %08lX %s\n",
461 idd->TimeDateStamp, get_time_str(idd->TimeDateStamp));
462 printf(" Version %u.%02u\n", idd->MajorVersion, idd->MinorVersion);
463 switch (idd->Type)
464 {
465 default:
466 case IMAGE_DEBUG_TYPE_UNKNOWN: str = "UNKNOWN"; break;
467 case IMAGE_DEBUG_TYPE_COFF: str = "COFF"; break;
468 case IMAGE_DEBUG_TYPE_CODEVIEW: str = "CODEVIEW"; break;
469 case IMAGE_DEBUG_TYPE_FPO: str = "FPO"; break;
470 case IMAGE_DEBUG_TYPE_MISC: str = "MISC"; break;
471 case IMAGE_DEBUG_TYPE_EXCEPTION: str = "EXCEPTION"; break;
472 case IMAGE_DEBUG_TYPE_FIXUP: str = "FIXUP"; break;
473 case IMAGE_DEBUG_TYPE_OMAP_TO_SRC: str = "OMAP_TO_SRC"; break;
474 case IMAGE_DEBUG_TYPE_OMAP_FROM_SRC:str = "OMAP_FROM_SRC"; break;
475 case IMAGE_DEBUG_TYPE_BORLAND: str = "BORLAND"; break;
476 case IMAGE_DEBUG_TYPE_RESERVED10: str = "RESERVED10"; break;
477 }
478 printf(" Type: %lu (%s)\n", idd->Type, str);
479 printf(" SizeOfData: %lu\n", idd->SizeOfData);
480 printf(" AddressOfRawData: %08lX\n", idd->AddressOfRawData);
481 printf(" PointerToRawData: %08lX\n", idd->PointerToRawData);
482
483 switch (idd->Type)
484 {
485 case IMAGE_DEBUG_TYPE_UNKNOWN:
486 break;
487 case IMAGE_DEBUG_TYPE_COFF:
488 break;
489 case IMAGE_DEBUG_TYPE_CODEVIEW:
490 dump_codeview(idd->PointerToRawData, idd->SizeOfData);
491 break;
492 case IMAGE_DEBUG_TYPE_FPO:
493 break;
494 case IMAGE_DEBUG_TYPE_MISC:
495 {
496 IMAGE_DEBUG_MISC* misc = PRD(idd->PointerToRawData, idd->SizeOfData);
497 if (!misc) {printf("Can't get misc debug information\n"); break;}
498 printf(" DataType: %lu (%s)\n",
499 misc->DataType,
500 (misc->DataType == IMAGE_DEBUG_MISC_EXENAME) ? "Exe name" : "Unknown");
501 printf(" Length: %lu\n", misc->Length);
502 printf(" Unicode: %s\n", misc->Unicode ? "Yes" : "No");
503 printf(" Data: %s\n", misc->Data);
504 }
505 break;
506 case IMAGE_DEBUG_TYPE_EXCEPTION:
507 break;
508 case IMAGE_DEBUG_TYPE_FIXUP:
509 break;
510 case IMAGE_DEBUG_TYPE_OMAP_TO_SRC:
511 break;
512 case IMAGE_DEBUG_TYPE_OMAP_FROM_SRC:
513 break;
514 case IMAGE_DEBUG_TYPE_BORLAND:
515 break;
516 case IMAGE_DEBUG_TYPE_RESERVED10:
517 break;
518 }
519 printf("\n");
520 }
521
522 static void dump_dir_debug(void)
523 {
524 IMAGE_DEBUG_DIRECTORY* debugDir = get_dir(IMAGE_FILE_DEBUG_DIRECTORY);
525 unsigned nb_dbg, i;
526
527 if (!debugDir) return;
528 nb_dbg = nt_headers->OptionalHeader.DataDirectory[IMAGE_FILE_DEBUG_DIRECTORY].Size /
529 sizeof(*debugDir);
530 if (!nb_dbg) return;
531
532 printf("Debug Table (%u directories)\n", nb_dbg);
533
534 for (i = 0; i < nb_dbg; i++)
535 {
536 dump_dir_debug_dir(debugDir, i);
537 debugDir++;
538 }
539 printf("\n");
540 }
541
542 static void dump_separate_dbg(void)
543 {
544 IMAGE_SEPARATE_DEBUG_HEADER*separateDebugHead = PRD(0, sizeof(separateDebugHead));
545 unsigned nb_dbg;
546 unsigned i;
547 IMAGE_DEBUG_DIRECTORY* debugDir;
548
549 if (!separateDebugHead) {printf("Can't grab the separate header, aborting\n"); return;}
550
551 printf ("Signature: %.2s (0x%4X)\n",
552 (char*)&separateDebugHead->Signature, separateDebugHead->Signature);
553 printf ("Flags: 0x%04X\n", separateDebugHead->Flags);
554 printf ("Machine: 0x%04X (%s)\n",
555 separateDebugHead->Machine, get_machine_str(separateDebugHead->Machine));
556 printf ("Characteristics: 0x%04X\n", separateDebugHead->Characteristics);
557 printf ("TimeDateStamp: 0x%08lX (%s)\n",
558 separateDebugHead->TimeDateStamp, get_time_str(separateDebugHead->TimeDateStamp));
559 printf ("CheckSum: 0x%08lX\n", separateDebugHead->CheckSum);
560 printf ("ImageBase: 0x%08lX\n", separateDebugHead->ImageBase);
561 printf ("SizeOfImage: 0x%08lX\n", separateDebugHead->SizeOfImage);
562 printf ("NumberOfSections: 0x%08lX\n", separateDebugHead->NumberOfSections);
563 printf ("ExportedNamesSize: 0x%08lX\n", separateDebugHead->ExportedNamesSize);
564 printf ("DebugDirectorySize: 0x%08lX\n", separateDebugHead->DebugDirectorySize);
565
566 if (!PRD(sizeof(IMAGE_SEPARATE_DEBUG_HEADER),
567 separateDebugHead->NumberOfSections * sizeof(IMAGE_SECTION_HEADER)))
568 {printf("Can't get the sections, aborting\n"); return;}
569
570 dump_sections(separateDebugHead + 1, separateDebugHead->NumberOfSections);
571
572 nb_dbg = separateDebugHead->DebugDirectorySize / sizeof(IMAGE_DEBUG_DIRECTORY);
573 debugDir = PRD(sizeof(IMAGE_SEPARATE_DEBUG_HEADER) +
574 separateDebugHead->NumberOfSections * sizeof(IMAGE_SECTION_HEADER) +
575 separateDebugHead->ExportedNamesSize,
576 nb_dbg * sizeof(IMAGE_DEBUG_DIRECTORY));
577 if (!debugDir) {printf("Couldn't get the debug directory info, aborting\n");return;}
578
579 printf("Debug Table (%u directories)\n", nb_dbg);
580
581 for (i = 0; i < nb_dbg; i++)
582 {
583 dump_dir_debug_dir(debugDir, i);
584 debugDir++;
585 }
586 }
587
588 static void dump_unicode_str( const WCHAR *str, int len )
589 {
590 if (len == -1) for (len = 0; str[len]; len++) ;
591 printf( "L\"");
592 while (len-- > 0 && *str)
593 {
594 WCHAR c = *str++;
595 switch (c)
596 {
597 case '\n': printf( "\\n" ); break;
598 case '\r': printf( "\\r" ); break;
599 case '\t': printf( "\\t" ); break;
600 case '"': printf( "\\\"" ); break;
601 case '\\': printf( "\\\\" ); break;
602 default:
603 if (c >= ' ' && c <= 126) putchar(c);
604 else printf( "\\u%04x",c);
605 }
606 }
607 printf( "\"" );
608 }
609
610 static const char *get_resource_type( int id )
611 {
612 static const char *types[] =
613 {
614 NULL,
615 "CURSOR",
616 "BITMAP",
617 "ICON",
618 "MENU",
619 "DIALOG",
620 "STRING",
621 "FONTDIR",
622 "FONT",
623 "ACCELERATOR",
624 "RCDATA",
625 "MESSAGETABLE",
626 "GROUP_CURSOR",
627 NULL,
628 "GROUP_ICON",
629 NULL,
630 "VERSION",
631 "DLGINCLUDE",
632 NULL,
633 "PLUGPLAY",
634 "VXD",
635 "ANICURSOR",
636 "ANIICON",
637 "HTML"
638 };
639
640 if (id < sizeof(types)/sizeof(types[0])) return types[id];
641 return NULL;
642 }
643
644 static void dump_data( const unsigned char *ptr, unsigned int size, const char *prefix )
645 {
646 int i, j;
647
648 printf( "%s", prefix );
649 for (i = 0; i < size; i++)
650 {
651 printf( "%02x%c", ptr[i], (i % 16 == 7) ? '-' : ' ' );
652 if ((i % 16) == 15)
653 {
654 printf( " " );
655 for (j = 0; j < 16; j++)
656 printf( "%c", isprint(ptr[i-15+j]) ? ptr[i-15+j] : '.' );
657 if (i < size-1) printf( "\n%s", prefix );
658 }
659 }
660 if (i % 16)
661 {
662 printf( "%*s ", 3 * (16-(i%16)), "" );
663 for (j = 0; j < i % 16; j++)
664 printf( "%c", isprint(ptr[i-(i%16)+j]) ? ptr[i-(i%16)+j] : '.' );
665 }
666 printf( "\n" );
667 }
668
669 static void dump_dir_resource(void)
670 {
671 const IMAGE_RESOURCE_DIRECTORY *root = get_dir(IMAGE_FILE_RESOURCE_DIRECTORY);
672 const IMAGE_RESOURCE_DIRECTORY *namedir;
673 const IMAGE_RESOURCE_DIRECTORY *langdir;
674 const IMAGE_RESOURCE_DIRECTORY_ENTRY *e1, *e2, *e3;
675 const IMAGE_RESOURCE_DIR_STRING_U *string;
676 const IMAGE_RESOURCE_DATA_ENTRY *data;
677 int i, j, k;
678
679 if (!root) return;
680
681 printf( "Resources:" );
682
683 for (i = 0; i< root->NumberOfNamedEntries + root->NumberOfIdEntries; i++)
684 {
685 e1 = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(root + 1) + i;
686 namedir = (IMAGE_RESOURCE_DIRECTORY *)((char *)root + e1->u2.s3.OffsetToDirectory);
687 for (j = 0; j < namedir->NumberOfNamedEntries + namedir->NumberOfIdEntries; j++)
688 {
689 e2 = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(namedir + 1) + j;
690 langdir = (IMAGE_RESOURCE_DIRECTORY *)((char *)root + e2->u2.s3.OffsetToDirectory);
691 for (k = 0; k < langdir->NumberOfNamedEntries + langdir->NumberOfIdEntries; k++)
692 {
693 e3 = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)(langdir + 1) + k;
694
695 printf( "\n " );
696 if (e1->u1.s1.NameIsString)
697 {
698 string = (PIMAGE_RESOURCE_DIR_STRING_U)((char *)root + e1->u1.s1.NameOffset);
699 dump_unicode_str( string->NameString, string->Length );
700 }
701 else
702 {
703 const char *type = get_resource_type( e1->u1.s2.Id );
704 if (type) printf( "%s", type );
705 else printf( "%04x", e1->u1.s2.Id );
706 }
707
708 printf( " Name=" );
709 if (e2->u1.s1.NameIsString)
710 {
711 string = (PIMAGE_RESOURCE_DIR_STRING_U) ((char *)root + e2->u1.s1.NameOffset);
712 dump_unicode_str( string->NameString, string->Length );
713 }
714 else
715 printf( "%04x", e2->u1.s2.Id );
716
717 printf( " Language=%04x:\n", e3->u1.s2.Id );
718 data = (IMAGE_RESOURCE_DATA_ENTRY *)((char *)root + e3->u2.OffsetToData);
719 dump_data( RVA( data->OffsetToData, data->Size ), data->Size, " " );
720 }
721 }
722 }
723 printf( "\n\n" );
724 }
725
726 static void do_dump(void)
727 {
728 int all = (globals.dumpsect != NULL) && strcmp(globals.dumpsect, "ALL") == 0;
729
730 if (globals.do_dumpheader)
731 {
732 dump_pe_header();
733 /* FIX%E: should check ptr */
734 dump_sections((char*)nt_headers + sizeof(DWORD) +
735 sizeof(IMAGE_FILE_HEADER) + nt_headers->FileHeader.SizeOfOptionalHeader,
736 nt_headers->FileHeader.NumberOfSections);
737 }
738 else if (!globals.dumpsect)
739 {
740 /* show at least something here */
741 dump_pe_header();
742 }
743
744 if (globals.dumpsect)
745 {
746 if (all || !strcmp(globals.dumpsect, "import"))
747 dump_dir_imported_functions();
748 if (all || !strcmp(globals.dumpsect, "export"))
749 dump_dir_exported_functions();
750 if (all || !strcmp(globals.dumpsect, "debug"))
751 dump_dir_debug();
752 if (all || !strcmp(globals.dumpsect, "resource"))
753 dump_dir_resource();
754 #if 0
755 /* FIXME: not implemented yet */
756 if (all || !strcmp(globals.dumpsect, "reloc"))
757 dump_dir_reloc();
758 #endif
759 }
760 }
761
762 static enum FileSig check_headers(void)
763 {
764 WORD* pw;
765 DWORD* pdw;
766 IMAGE_DOS_HEADER* dh;
767 enum FileSig sig;
768
769 pw = PRD(0, sizeof(WORD));
770 if (!pw) {printf("Can't get main signature, aborting\n"); return 0;}
771
772 switch (*pw)
773 {
774 case IMAGE_DOS_SIGNATURE:
775 sig = SIG_DOS;
776 dh = PRD(0, sizeof(IMAGE_DOS_HEADER));
777 if (dh && dh->e_lfanew >= sizeof(*dh)) /* reasonable DOS header ? */
778 {
779 /* the signature is the first DWORD */
780 pdw = PRD(dh->e_lfanew, sizeof(DWORD));
781 if (pdw)
782 {
783 if (*pdw == IMAGE_NT_SIGNATURE)
784 {
785 nt_headers = PRD(dh->e_lfanew, sizeof(DWORD));
786 sig = SIG_PE;
787 }
788 else
789 {
790 printf("No PE Signature found\n");
791 }
792 }
793 else
794 {
795 printf("Can't get the extented signature, aborting\n");
796 }
797 }
798 break;
799 case 0x4944: /* "DI" */
800 sig = SIG_DBG;
801 break;
802 default:
803 printf("No known main signature (%.2s/%x), aborting\n", (char*)pw, *pw);
804 sig = SIG_UNKNOWN;
805 }
806
807 return sig;
808 }
809
810 int pe_analysis(const char* name, void (*fn)(void), enum FileSig wanted_sig)
811 {
812 int fd;
813 enum FileSig effective_sig;
814 int ret = 1;
815 struct stat s;
816
817 setbuf(stdout, NULL);
818
819 fd = open(name, O_RDONLY);
820 if (fd == -1) fatal("Can't open file");
821
822 if (fstat(fd, &s) < 0) fatal("Can't get size");
823 total_len = s.st_size;
824
825 #ifdef HAVE_MMAP
826 if ((base = mmap(NULL, total_len, PROT_READ, MAP_PRIVATE, fd, 0)) == (void *)-1)
827 #endif
828 {
829 if (!(base = malloc( total_len ))) fatal( "Out of memory" );
830 if (read( fd, base, total_len ) != total_len) fatal( "Cannot read file" );
831 }
832
833 effective_sig = check_headers();
834
835 if (effective_sig == SIG_UNKNOWN)
836 {
837 printf("Can't get a recognized file signature, aborting\n");
838 ret = 0;
839 }
840 else if (wanted_sig == SIG_UNKNOWN || wanted_sig == effective_sig)
841 {
842 switch (effective_sig)
843 {
844 case SIG_UNKNOWN: /* shouldn't happen... */
845 ret = 0; break;
846 case SIG_PE:
847 printf("Contents of \"%s\": %ld bytes\n\n", name, total_len);
848 (*fn)();
849 break;
850 case SIG_DBG:
851 dump_separate_dbg();
852 break;
853 case SIG_DOS:
854 ret = 0; break;
855 }
856 }
857 else
858 {
859 printf("Can't get a suitable file signature, aborting\n");
860 ret = 0;
861 }
862
863 if (ret) printf("Done dumping %s\n", name);
864 #ifdef HAVE_MMAP
865 if (munmap(base, total_len) == -1)
866 #endif
867 {
868 free( base );
869 }
870 close(fd);
871
872 return ret;
873 }
874
875 void dump_file(const char* name)
876 {
877 pe_analysis(name, do_dump, SIG_UNKNOWN);
878 }
879
880 #if 0
881 int main(int argc, char* argv[])
882 {
883 if (argc != 2) fatal("usage");
884 pe_analysis(argv[1], do_dump);
885 }
886 #endif
887
888 typedef struct _dll_symbol {
889 size_t ordinal;
890 char *symbol;
891 } dll_symbol;
892
893 static dll_symbol *dll_symbols = NULL;
894 static dll_symbol *dll_current_symbol = NULL;
895
896 /* Compare symbols by ordinal for qsort */
897 static int symbol_cmp(const void *left, const void *right)
898 {
899 return ((dll_symbol *)left)->ordinal > ((dll_symbol *)right)->ordinal;
900 }
901
902 /*******************************************************************
903 * dll_close
904 *
905 * Free resources used by DLL
906 */
907 /* FIXME: Not used yet
908 static void dll_close (void)
909 {
910 dll_symbol* ds;
911
912 if (!dll_symbols) {
913 fatal("No symbols");
914 }
915 for (ds = dll_symbols; ds->symbol; ds++)
916 free(ds->symbol);
917 free (dll_symbols);
918 dll_symbols = NULL;
919 }
920 */
921
922 static void do_grab_sym(void)
923 {
924 IMAGE_EXPORT_DIRECTORY *exportDir = get_dir(IMAGE_FILE_EXPORT_DIRECTORY);
925 unsigned i, j;
926 DWORD* pName;
927 DWORD* pFunc;
928 WORD* pOrdl;
929 char* ptr;
930 DWORD* map;
931
932 if (!exportDir) return;
933
934 pName = RVA(exportDir->AddressOfNames, exportDir->NumberOfNames * sizeof(DWORD));
935 if (!pName) {printf("Can't grab functions' name table\n"); return;}
936 pOrdl = RVA(exportDir->AddressOfNameOrdinals, exportDir->NumberOfNames * sizeof(WORD));
937 if (!pOrdl) {printf("Can't grab functions' ordinal table\n"); return;}
938
939 /* dll_close(); */
940
941 if (!(dll_symbols = (dll_symbol *) malloc((exportDir->NumberOfFunctions + 1) *
942 sizeof (dll_symbol))))
943 fatal ("Out of memory");
944 if (exportDir->AddressOfFunctions != exportDir->NumberOfNames || exportDir->Base > 1)
945 globals.do_ordinals = 1;
946
947 /* bit map of used funcs */
948 map = calloc(((exportDir->NumberOfFunctions + 31) & ~31) / 32, sizeof(DWORD));
949 if (!map) fatal("no memory");
950
951 for (j = 0; j < exportDir->NumberOfNames; j++, pOrdl++)
952 {
953 map[*pOrdl / 32] |= 1 << (*pOrdl % 32);
954 ptr = RVA(*pName++, sizeof(DWORD));
955 if (!ptr) ptr = "cant_get_function";
956 dll_symbols[j].symbol = strdup(ptr);
957 dll_symbols[j].ordinal = -1; /* indicate non-ordinal symbol */
958 assert(dll_symbols[j].symbol);
959 }
960 pFunc = RVA(exportDir->AddressOfFunctions, exportDir->NumberOfFunctions * sizeof(DWORD));
961 if (!pFunc) {printf("Can't grab functions' address table\n"); return;}
962
963 for (i = 0; i < exportDir->NumberOfFunctions; i++)
964 {
965 if (pFunc[i] && !(map[i / 32] & (1 << (i % 32))))
966 {
967 char ordinal_text[256];
968 /* Ordinal only entry */
969 snprintf (ordinal_text, sizeof(ordinal_text), "%s_%lu",
970 globals.forward_dll ? globals.forward_dll : OUTPUT_UC_DLL_NAME,
971 exportDir->Base + i);
972 str_toupper(ordinal_text);
973 dll_symbols[j].symbol = strdup(ordinal_text);
974 assert(dll_symbols[j].symbol);
975 dll_symbols[j].ordinal = exportDir->Base + i;
976 j++;
977 assert(j <= exportDir->NumberOfFunctions);
978 }
979 }
980 free(map);
981
982 if (NORMAL)
983 printf("%lu named symbols in DLL, %lu total\n",
984 exportDir->NumberOfNames, exportDir->NumberOfFunctions);
985
986 qsort( dll_symbols, exportDir->NumberOfFunctions, sizeof(dll_symbol), symbol_cmp );
987
988 dll_symbols[exportDir->NumberOfFunctions].symbol = NULL;
989
990 dll_current_symbol = dll_symbols;
991 }
992
993 /*******************************************************************
994 * dll_open
995 *
996 * Open a DLL and read in exported symbols
997 */
998 void dll_open (const char *dll_name)
999 {
1000 pe_analysis(dll_name, do_grab_sym, SIG_PE);
1001 }
1002
1003 /*******************************************************************
1004 * dll_next_symbol
1005 *
1006 * Get next exported symbol from dll
1007 */
1008 int dll_next_symbol (parsed_symbol * sym)
1009 {
1010 if (!dll_current_symbol->symbol)
1011 return 1;
1012
1013 assert (dll_symbols);
1014
1015 sym->symbol = strdup (dll_current_symbol->symbol);
1016 sym->ordinal = dll_current_symbol->ordinal;
1017 dll_current_symbol++;
1018 return 0;
1019 }
Windows API implementation