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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Security.Cryptography; | ||
| using System.Xml; | ||
| using static HuaweiUnlocker.LangProc; | ||
|
|
||
| namespace HuaweiUnlocker.DIAGNOS | ||
| { | ||
| public class Bootloader | ||
| { | ||
| public class Image | ||
| { | ||
| private bool? valid = null; | ||
| private int? size = null; | ||
|
|
||
| public string Path { get; } | ||
| public string Role { get; } | ||
| public uint Address { get; } | ||
| private string Hash { get; } | ||
| public bool IsValid { get => valid ?? Validate(); } | ||
| public int Size { get => size ?? GetSize(); } | ||
|
|
||
| private bool Validate() | ||
| { | ||
| if (Hash == null) | ||
| { | ||
| return true; | ||
| } | ||
|
|
||
| using (var stream = File.OpenRead(Path)) { | ||
| using (var sha1 = SHA1.Create()) | ||
| { | ||
| stream.Position = 0; | ||
| byte[] hash = sha1.ComputeHash(stream); | ||
| stream.Close(); | ||
| valid = BitConverter.ToString(hash).Replace("-", "").ToLower() == Hash; | ||
| } | ||
| } | ||
|
|
||
| return valid.Value; | ||
| } | ||
|
|
||
| private int GetSize() | ||
| { | ||
| size = (int)new FileInfo(Path).Length; | ||
|
|
||
| return size.Value; | ||
| } | ||
|
|
||
| public Image(string path, string role, uint address, string hash = null) | ||
| { | ||
| Path = path; | ||
| Role = role; | ||
| Address = address; | ||
| Hash = hash; | ||
| } | ||
| } | ||
|
|
||
| public Image[] Images { get; } | ||
| public string Title { get; } | ||
| public string Name { get; } | ||
|
|
||
| public Bootloader(string name, string title, Image[] images) | ||
| { | ||
| Title = title; | ||
| Name = name; | ||
| Images = images; | ||
| } | ||
|
|
||
| private static uint ParseAddress(string str) => Convert.ToUInt32(str, str.StartsWith("0x") ? 16 : 10); | ||
|
|
||
| private static XmlElement GetRootFromFile(string filename) | ||
| { | ||
| var xml = new XmlDocument(); | ||
| xml.Load(filename); | ||
|
|
||
| var root = xml.DocumentElement; | ||
|
|
||
| if (root.Name != "bootloader") | ||
| { | ||
| throw new Exception("XML root name is invalid."); | ||
| } | ||
|
|
||
| return root; | ||
| } | ||
|
|
||
| private readonly static string[] requiredStrings = new[] { "path", "role", "hash", "address" }; | ||
|
|
||
| public static Bootloader ParseBootloader(string filename) | ||
| { | ||
| var root = GetRootFromFile(filename); | ||
| var dir = Path.GetDirectoryName(filename); | ||
|
|
||
| var title = root.GetAttribute("name"); | ||
|
|
||
| if (string.IsNullOrEmpty(title)) | ||
| { | ||
| LOG(2, "Name attribute is invalid!"); | ||
| title = "Unknown bootloader"; | ||
| } | ||
|
|
||
| var images = new List<Image>(); | ||
|
|
||
| foreach (XmlNode node in root) | ||
| { | ||
| bool isBad = node.Name != "image"; | ||
|
|
||
| foreach (var key in requiredStrings) | ||
| { | ||
| var item = node.Attributes.GetNamedItem(key); | ||
| isBad |= item == null || string.IsNullOrWhiteSpace(item.Value); | ||
| } | ||
|
|
||
| if (isBad) | ||
| { | ||
| throw new Exception("Failed to parse image"); | ||
| } | ||
|
|
||
| images.Add(new Image( | ||
| Path.Combine(dir, node.Attributes.GetNamedItem("path").Value), | ||
| node.Attributes.GetNamedItem("role").Value, | ||
| ParseAddress(node.Attributes.GetNamedItem("address").Value), | ||
| node.Attributes.GetNamedItem("hash").Value | ||
| )); | ||
| } | ||
|
|
||
| return new Bootloader(Path.GetFileName(dir), title, images.ToArray()); | ||
| } | ||
|
|
||
| public static Bootloader[] GetBootloaders() | ||
| { | ||
| var bootloaders = new List<Bootloader>(); | ||
| var root = Path.Combine(Environment.CurrentDirectory, "bootloaders"); | ||
|
|
||
| if (!Directory.Exists(root)) | ||
| { | ||
| return new Bootloader[] { }; | ||
| } | ||
|
|
||
| var dirs = Directory.GetDirectories(root); | ||
|
|
||
| foreach (var dir in dirs) | ||
| { | ||
| var manifest = Path.Combine(dir, "manifest.xml"); | ||
|
|
||
| if (!File.Exists(manifest)) | ||
| { | ||
| LOG(2, $"{Path.GetFileName(dir)}: Manifest not found"); | ||
| continue; | ||
| } | ||
|
|
||
| bootloaders.Add(ParseBootloader(manifest)); | ||
| } | ||
|
|
||
| return bootloaders.ToArray(); | ||
| } | ||
| } | ||
| } |
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