static void showVersion(pe_ctx_t *ctx, const NODE_PERES *node)
{
assert(node != NULL);
int count = 0;
const NODE_PERES *dataEntryNode;
uint32_t nameOffset;
bool found = false;
while (node->lastNode != NULL) {
node = node->lastNode;
}
while (node != NULL) {
if (node->nodeType != RDT_DATA_ENTRY) {
node = node->nextNode;
continue;
}
count++;
//if (count==19)
dataEntryNode = lastNodeByType(node, RDT_DATA_ENTRY);
if (dataEntryNode == NULL)
return;
nameOffset = node->rootNode->resource.directoryEntry->DirectoryName.name.NameOffset;
if (nameOffset == 16) {
found = true;
break;
}
node = node->nextNode;
}
if (!found)
return;
const uint64_t offsetData = pe_rva2ofs(ctx, dataEntryNode->resource.dataEntry->offsetToData);
const size_t dataEntrySize = dataEntryNode->resource.dataEntry->size;
const char *buffer = LIBPE_PTR_ADD(ctx->map_addr, 32 + offsetData);
if (!pe_can_read(ctx, buffer, dataEntrySize)) {
// TODO: Should we report something?
return;
}
VS_FIXEDFILEINFO *info = (VS_FIXEDFILEINFO *) buffer;
char value[MAX_MSG];
//snprintf(value, MAX_MSG, "%d", totalCount);
snprintf(value, MAX_MSG, "%u.%u.%u.%u",
(unsigned int)(info->dwProductVersionMS & 0xffff0000) >> 16,
(unsigned int)info->dwProductVersionMS & 0x0000ffff,
(unsigned int)(info->dwProductVersionLS & 0xffff0000) >> 16,
(unsigned int)info->dwProductVersionLS & 0x0000ffff);
output("File Version", value);
}
static void saveResource(pe_ctx_t *ctx, const NODE_PERES *node)
{
assert(node != NULL);
const NODE_PERES *dataEntryNode = lastNodeByType(node, RDT_DATA_ENTRY);
if (dataEntryNode == NULL)
return;
const uint64_t offsetData = pe_rva2ofs(ctx, dataEntryNode->resource.dataEntry->offsetToData);
const size_t dataEntrySize = dataEntryNode->resource.dataEntry->size;
const char *buffer = LIBPE_PTR_ADD(ctx->map_addr, offsetData);
if (LIBPE_IS_PAST_THE_END(ctx, buffer, dataEntrySize)) {
// TODO: Should we report something?
return;
}
struct stat statDir;
if (stat(resourceDir, &statDir) == -1)
mkdir(resourceDir, 0700);
char dirName[100];
memset(dirName, 0, sizeof(dirName));
uint32_t nameOffset = node->rootNode->resource.directoryEntry->DirectoryName.name.NameOffset;
const RESOURCE_ENTRY *resourceEntry = getResourceEntryByNameOffset(nameOffset);
if (resourceEntry != NULL) {
snprintf(dirName, sizeof(dirName), "%s/%s", resourceDir, resourceEntry->dirName);
} else {
snprintf(dirName, sizeof(dirName), "%s", resourceDir);
}
// TODO(jweyrich): Would it make sense to hardcode `RDT_LEVEL2` rather than use `node->nodeLevel-1` ?
const NODE_PERES *nameNode = lastNodeByTypeAndLevel(node, RDT_DIRECTORY_ENTRY, node->nodeLevel - 1);
//printf("%d\n", nameNode->resource.directoryEntry->DirectoryName.name.NameOffset);
if (stat(dirName, &statDir) == -1)
mkdir(dirName, 0700);
char relativeFileName[100];
memset(relativeFileName, 0, sizeof(relativeFileName));
snprintf(relativeFileName, sizeof(relativeFileName), "%s/" "%" PRIu32 "%s",
dirName,
nameNode->resource.directoryEntry->DirectoryName.name.NameOffset,
resourceEntry != NULL ? resourceEntry->extension : ".bin");
FILE *fp = fopen(relativeFileName, "wb+");
if (fp == NULL) {
// TODO: Should we report something?
return;
}
fwrite(buffer, dataEntrySize, 1, fp);
fclose(fp);
output("Save On", relativeFileName);
}