The-Homebrew-Cloud/nusdownloader-fork
2
0
Fork 0
mirror of https://github.com/WiiDatabase/nusdownloader.git synced 2024-12-24 17:41:51 +01:00
Code Issues Packages Projects Releases Wiki Activity

Code is working somehow, haven't tested output on Wii.

Browse Source 
More debug messages have been added/cleaned up
This commit is contained in:
givememystuffplease 2009-07-18 03:00:09 +00:00
parent 3f5ed5e03a
commit b27d83228c
1 changed files with 29 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
NUS Downloader/Form1.cs
View File

@ -2399,6 +2399,8 @@ namespace NUS_Downloader
// Write changes to TMD of contents...
WriteStatus("Updating TMD with content information...");
string[] fileinfo = shamelessvariablelabel.Text.Split(',');
WriteStatus(" - Loading Title Key from Ticket...");
byte[] ticket = FileLocationToByteArray(fileinfo[0] + "cetk");
byte[] etitlekey = new byte[16];
for (int a = 0; a < 16; a++)
@ -2437,6 +2439,7 @@ namespace NUS_Downloader
// This is already decrypted, we're going to add it to the TMD...
string filename = itemstr.Substring(5, 12);
byte[] contentbytes = FileLocationToByteArray(fileinfo[0] + filename);
WriteStatus(filename + " is a decrypted file...");
WriteStatus(" - Encrypting " + filename + "...");
// Gather the contentID (crappy way to do it)...
@ -2486,10 +2489,11 @@ namespace NUS_Downloader
}
else
{
// An encrypted content...it was from the original TMD, leave alone? (hmmm)
// An encrypted content...it was from the original TMD
string filename = itemstr.Substring(5, 8);
byte[] contentbytes = FileLocationToByteArray(fileinfo[0] + filename);
WriteStatus("Gathering " + filename + " information...");
WriteStatus(filename + " is encrypted and from the original TMD...");
WriteStatus(" - Gathering " + filename + " information...");
// Grab previous values from TMD...
int nbr_cont = ContentCount(tmd);
@ -2505,9 +2509,11 @@ namespace NUS_Downloader
thiscontentidx = f;
}
// if index has been changed...
if (thiscontentidx != c)
{
// We have to decrypt the content, and then encrypt to keep IV in line...
WriteStatus(" - Index altered. Must change IV...");
byte[] ivindex = new byte[16];
for (int d = 0; d < ivindex.Length; d++)
{
@ -2527,15 +2533,16 @@ namespace NUS_Downloader
byte[] decContent = Decrypt(contentbytes);
Array.Resize(ref decContent, int.Parse(tmdsizes[thiscontentidx], System.Globalization.NumberStyles.HexNumber));
contents[c].Size = NewIntegertoByteArray(decContent.Length, 8);
if ((Convert.ToBase64String(ComputeSHA(decContent))) == Convert.ToBase64String(hash))
{
WriteStatus(" - Hash Check: Content is Unchanged...");
contents[c].SHAHash = hash;
WriteStatus("HASH: " + DisplayBytes(hash, ""));
//WriteStatus("HASH: " + DisplayBytes(hash, ""));
}
else
{
WriteStatus(" - Hash Check: Content changed (probably REALLY BAD)...");
WriteStatus(" - Hash Check: Content changed (did you add an encrypted file from another title?)...");
contents[c].SHAHash = ComputeSHA(decContent);
}
@ -2545,9 +2552,11 @@ namespace NUS_Downloader
{
newiv[g] = 0x00;
}
// TODO: Complete this...
ivindex[0] = 0x00;
ivindex[1] = (byte)c;
byte[] smallix = NewIntegertoByteArray(c, 2);
ivindex[0] = smallix[0];
ivindex[1] = smallix[1];
//WriteStatus(" - Old Index: " + thiscontentidx + "; New Index: " + c);
// Pad back to 0x16 alignment
//AlignByteArray(decContent, 0x16
@ -2568,7 +2577,15 @@ namespace NUS_Downloader
else
{
// Hopefully this content has not been touched...
// TODO: um, i'm 12 and what is this?
WriteStatus(" - Content has not changed Index.");
byte[] hash = new byte[20];
for (int x = 0; x < 20; x++)
{
hash[x] = tmdhashes[(c * 20) + x];
}
contents[c].SHAHash = hash;
contents[c].Size = NewIntegertoByteArray(int.Parse(tmdsizes[c], System.Globalization.NumberStyles.HexNumber), 8);
}
contents[c].ContentID = new byte[4];
@ -2585,17 +2602,12 @@ namespace NUS_Downloader
if (contentsEdit.Items[c].ToString().Contains(" [S]"))
contents[c].Type[0] = 0x80;
else
contents[c].Type[0] = 0x00;
contents[c].Size = new byte[8];
// TODOCHECK THIS OVER
contents[c].Size = NewIntegertoByteArray(contentbytes.Length, 8);
contents[c].Type[0] = 0x00;
}
}
// Write all this stuff to the TMD...
byte[] contentSection = new byte[contents.Length * 36];
//TODO: At some points we don't have a hash... see above?
for (int h = 0; h < contents.Length; h++)
{
for (int i = 0; i < contents[h].ContentID.Length; i++)
@ -2662,8 +2674,8 @@ namespace NUS_Downloader
int len = (src.Length + pad - 1) / pad * pad;
// DEBUG:
WriteStatus("New Length: " + len);
WriteStatus("Dif: " + (len - src.Length));
//WriteStatus("New Length: " + len);
//WriteStatus("Dif: " + (len - src.Length));
Array.Resize(ref src, len);
return src;
@ -2721,7 +2733,7 @@ namespace NUS_Downloader
}
// DEBUG
WriteStatus("byte[] result: " + DisplayBytes(resultArray, " "));
//WriteStatus(" - Int->Byte[]: " + DisplayBytes(resultArray, " "));
return resultArray;
}
}