func openFromPid(pid uint) (p Process, harderror error, softerrors []error) {
// Check if we have premissions to read the process memory
memPath := common.MemFilePathFromPid(pid)
memFile, err := os.Open(memPath)
if err != nil {
harderror = fmt.Errorf("Permission denied to access memory of process %v", pid)
return
}
defer memFile.Close()
return proc(pid), nil, nil
}
func copyMemory(p process.Process, address uintptr, buffer []byte) (harderror error, softerrors []error) {
mem, harderror := os.Open(common.MemFilePathFromPid(p.Pid()))
if harderror != nil {
harderror := fmt.Errorf("Error while reading %d bytes starting at %x: %s", len(buffer), address, harderror)
return harderror, softerrors
}
defer mem.Close()
bytes_read, harderror := mem.ReadAt(buffer, int64(address))
if harderror != nil {
harderror := fmt.Errorf("Error while reading %d bytes starting at %x: %s", len(buffer), address, harderror)
return harderror, softerrors
}
if bytes_read != len(buffer) {
return fmt.Errorf("Could not read the entire buffer"), softerrors
}
return nil, softerrors
}