попробуйте это:
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
void EnumExportedFunctions (char *, void (*callback)(char*));
int Rva2Offset (unsigned int);
typedef struct {
unsigned char Name[8];
unsigned int VirtualSize;
unsigned int VirtualAddress;
unsigned int SizeOfRawData;
unsigned int PointerToRawData;
unsigned int PointerToRelocations;
unsigned int PointerToLineNumbers;
unsigned short NumberOfRelocations;
unsigned short NumberOfLineNumbers;
unsigned int Characteristics;
} sectionHeader;
sectionHeader *sections;
unsigned int NumberOfSections = 0;
int Rva2Offset (unsigned int rva) {
int i = 0;
for (i = 0; i < NumberOfSections; i++) {
unsigned int x = sections[i].VirtualAddress + sections[i].SizeOfRawData;
if (x >= rva) {
return sections[i].PointerToRawData + (rva + sections[i].SizeOfRawData) - x;
}
}
return -1;
}
void EnumExportedFunctions (char *szFilename, void (*callback)(char*)) {
FILE *hFile = fopen (szFilename, "rb");
if (hFile != NULL) {
if (fgetc (hFile) == 'M' && fgetc (hFile) == 'Z') {
unsigned int e_lfanew = 0;
unsigned int NumberOfRvaAndSizes = 0;
unsigned int ExportVirtualAddress = 0;
unsigned int ExportSize = 0;
int i = 0;
fseek (hFile, 0x3C, SEEK_SET);
fread (&e_lfanew, 4, 1, hFile);
fseek (hFile, e_lfanew + 6, SEEK_SET);
fread (&NumberOfSections, 2, 1, hFile);
fseek (hFile, 108, SEEK_CUR);
fread (&NumberOfRvaAndSizes, 4, 1, hFile);
if (NumberOfRvaAndSizes == 16) {
fread (&ExportVirtualAddress, 4, 1, hFile);
fread (&ExportSize, 4, 1, hFile);
if (ExportVirtualAddress > 0 && ExportSize > 0) {
fseek (hFile, 120, SEEK_CUR);
if (NumberOfSections > 0) {
sections = (sectionHeader *) malloc (NumberOfSections * sizeof (sectionHeader));
for (i = 0; i < NumberOfSections; i++) {
fread (sections[i].Name, 8, 1, hFile);
fread (§ions[i].VirtualSize, 4, 1, hFile);
fread (§ions[i].VirtualAddress, 4, 1, hFile);
fread (§ions[i].SizeOfRawData, 4, 1, hFile);
fread (§ions[i].PointerToRawData, 4, 1, hFile);
fread (§ions[i].PointerToRelocations, 4, 1, hFile);
fread (§ions[i].PointerToLineNumbers, 4, 1, hFile);
fread (§ions[i].NumberOfRelocations, 2, 1, hFile);
fread (§ions[i].NumberOfLineNumbers, 2, 1, hFile);
fread (§ions[i].Characteristics, 4, 1, hFile);
}
unsigned int NumberOfNames = 0;
unsigned int AddressOfNames = 0;
int offset = Rva2Offset (ExportVirtualAddress);
fseek (hFile, offset + 24, SEEK_SET);
fread (&NumberOfNames, 4, 1, hFile);
fseek (hFile, 4, SEEK_CUR);
fread (&AddressOfNames, 4, 1, hFile);
unsigned int namesOffset = Rva2Offset (AddressOfNames), pos = 0;
fseek (hFile, namesOffset, SEEK_SET);
for (i = 0; i < NumberOfNames; i++) {
unsigned int y = 0;
fread (&y, 4, 1, hFile);
pos = ftell (hFile);
fseek (hFile, Rva2Offset (y), SEEK_SET);
char c = fgetc (hFile);
int szNameLen = 0;
while (c != '\0') {
c = fgetc (hFile);
szNameLen++;
}
fseek (hFile, (-szNameLen)-1, SEEK_CUR);
char* szName = calloc (szNameLen + 1, 1);
fread (szName, szNameLen, 1, hFile);
callback (szName);
fseek (hFile, pos, SEEK_SET);
}
}
}
}
}
fclose (hFile);
}
}
пример:
void mycallback (char* szName) {
printf ("%s\n", szName);
}
int main () {
EnumExportedFunctions ("C:\\Windows\\System32\\user32.dll", mycallback);
return 0;
}
Выход:
ActivateKeyboardLayout
AddClipboardFormatListener
AdjustWindowRect
AdjustWindowRectEx
AlignRects
AllowForegroundActivation
AllowSetForegroundWindow
AnimateWindow
AnyPopup
AppendMenuA
AppendMenuW
ArrangeIconicWindows
AttachThreadInput
BeginDeferWindowPos
BeginPaint
BlockInput
BringWindowToTop
BroadcastSystemMessage
BroadcastSystemMessageA
BroadcastSystemMessageExA
BroadcastSystemMessageExW
BroadcastSystemMessageW
BuildReasonArray
CalcMenuBar
.....etc