/**
* Parses an line from /proc/<pid>/maps
*/
void px_maps_region(const char *line)
{
uintptr_t start, end;
char perms[5], filename[PATH_MAX];
int offset, dmajor, dminor, inode;
const size_t n = ENV(nregions);
if (sscanf(line, "%" PRIxPTR "-%" PRIxPTR " %s %x %x:%x %u %s",
&start, &end, perms, &offset, &dmajor, &dminor, &inode, filename) < 6 ||
(end - start) == 0) {
return;
}
if (ENV(maps) == NULL || n % 5 == 0) {
ENV(maps) = (px_maps*) realloc(ENV(maps), sizeof(px_maps) * (n + 5));
if (ENV(maps) == NULL) {
px_error("Failed to realloc!\n");
return;
}
}
ENV(maps)[n].start = start;
ENV(maps)[n].end = end;
memcpy(ENV(maps)[n].filename, filename, sizeof(filename));
memcpy(ENV(maps)[n].perms, perms, sizeof(perms));
/* Sets the base address where we will read ELF data */
if (n == 0) {
ELF(header) = ENV(maps)[0].start;
}
++ENV(nregions);
}
bool DManager::secure(const DManager::secured_file_info &sfi) {
// check file type
QFile in(sfi.get_file_name());
if(!in.open(QFile::ReadOnly)) {
LOG_ERROR(QString("Could not open specified file: %s").arg(sfi.get_file_name()));
return false;
}
// read whole file content
QByteArray data = in.readAll(); // is passed as parameter to avoid race condition
// TODO: change and save file
bool s;
// check if ELF / PE type
if (ELF(data).is_valid()) {
s = __secure_elf(data, sfi);
if (!s) {
LOG_WARN("Secure failed");
return false;
}
return s;
}
if (PEFile(data).is_valid())
return __secure_pe(data, sfi);
LOG_ERROR(QString("Specified file %s is non-ELF neither non-PE").arg(sfi.get_file_name()));
return false;
}
