Homebrew RELEASE NSPatch - Patch NSP Files to their actual needed FW version

[Deleted User]

Oh, another thing, I'm not sure if this is my understanding of the Keyblobs, but I think your list of keys and firmwares is (slightly) wrong?

Example, *insert game here*, when installed unpatched, complains about needing to be updated from 4.1.0 to latest.

However, I run it through the patcher, it states it can be now played on 4.0.0.

Am I misunderstanding them?

__
EDIT: Can I do the same thing with updates as I can with games aswell? Or is there a risk of brick/corruption/etc?

 

[puppydg68]

So today I am presenting you: NSPatch

What does this do?
It extracts NSP containers using hactool, patches them to require the minimum needed FW version of the corresponding minimum needed Masterkey Revision required for crypto and then repacks the NSP container using a modified build of @rkk 's nspBuild.

View attachment 137613

This is a handy tool - could you have it read the input name and output the filename characters then-p.nsp as the filename. ie mynspfile.nsp becomes mynspfile-p.nsp, also having a checkbox to trim the resulting filename to less than 20 characters for devmenu users (not sure if 20 char is the limit).

 

[Deleted User]

Tried with Octopath and Shining Resonance, both which report that 4.0.0 is the minimum they'll work on. Have 4.1.0. Still getting system update required.

 

[adrifcastr]

This is a handy tool - could you have it read the input name and output the filename characters then-p.nsp as the filename. ie mynspfile.nsp becomes mynspfile-p.nsp, also having a checkbox to trim the resulting filename to less than 20 characters for devmenu users (not sure if 20 char is the limit).

Yeah that'd be possible but I'd need to reinplement nspbuild in C# and I'm currently working on the update stuff, but if anyone is willing to, open a pr with a reimpl of nspbuild

 

[adrifcastr]

-snip-

 

[Deleted User]

Tried with Octopath and Shining Resonance, both which report that 4.0.0 is the minimum they'll work on. Have 4.1.0. Still getting system update required.

Installed with DevMenu.

 

[adrifcastr]

Tried with Octopath and Shining Resonance, both which report that 4.0.0 is the minimum they'll work on. Have 4.1.0. Still getting system update required.

Installed with DevMenu.

I think they should work on 4.0.0 but reports are also saying 4.1.0

 

[Deleted User]

I think they should work on 4.0.0 but reports are also saying 4.1.0

That's real weird then. Does your program require admin privledges or something?

It goes through the whole process without issue. Except, well, doesn't seem like it's patching it at all.

 

[adrifcastr]

That's real weird then. Does your program require admin privledges or something?

It goes through the whole process without issue. Except, well, doesn't seem like it's patching it at all.

Nah it works with regular permisisions

 

[Deleted User]

Nah it works with regular permisisions

Hmm..... I'll give a few things a try and report back.

 

[Deleted User]

Tried shortening the names down to just a few characters, no go.
Tried admin privileges, no go.
Tried patching after already patching, no go.
Tried installing with Tinfoil, no go.
Tried installing with LayeredFS DevMenu, no go.

I carefully watched the program, and double check to see what firmware ends up being minimum, always 4.0.0 for the ones I'm trying to patch.

I don't understand ?_? Strange.

 

[Scarecrow B]

Tried shortening the names down to just a few characters, no go.
Tried admin privileges, no go.
Tried patching after already patching, no go.
Tried installing with Tinfoil, no go.
Tried installing with LayeredFS DevMenu, no go.

I carefully watched the program, and double check to see what firmware ends up being minimum, always 4.0.0 for the ones I'm trying to patch.

I don't understand ?_? Strange.

I had a similar issue, where the app said it was sucessful but the new file (patched.nsp) was 0 kb. I had to change the way the app called the python script for repacking, intead of directly calling it I had to call cmd.exe and then pass the script + arguments as a whole argument, and then it worked.

To be sure if your file is really edited check manually its RequiredSystemVersion

 

[Kobigov]

Tried with Octopath and Shining Resonance, both which report that 4.0.0 is the minimum they'll work on. Have 4.1.0. Still getting system update required.

Installed with DevMenu.

Octopath definitely works on 4.1. Try zeroing out the required systemversion manually in a hex editor. Install with tinfoil too.

 

[Deleted User]

I had a similar issue, where the app said it was sucessful but the new file (patched.nsp) was 0 kb. I had to change the way the app called the python script for repacking, intead of directly calling it I had to call cmd.exe and then pass the script + arguments as a whole argument, and then it worked.

To be sure if your file is really edited check manually its RequiredSystemVersion

Oh. Well shit. I didn't see that it made a new NSP, I figured it was just straight up patching the one I selected.
Infact, I checked the folder that the app was in, and you're right, it was simply a 0kb file called Patched.nsp.

I don't know a lick of Python, so I guess I'm shit out of luck until this is fixed properly. Shall be waiting!

 

[Kobigov]

Oh. Well shit. I didn't see that it made a new NSP, I figured it was just straight up patching the one I selected.
Infact, I checked the folder that the app was in, and you're right, it was simply a 0kb file called Patched.nsp.

I don't know a lick of Python, so I guess I'm shit out of luck until this is fixed properly. Shall be waiting!

Just edit the nsp in a hex editor. It takes like two seconds.

 

[Deleted User]

Just edit the nsp in a hex editor. It takes like two seconds.

Giving it a try now.
Hopefully Ikaruga don't need that update I have for it.

--------------------- MERGED ---------------------------

Just edit the nsp in a hex editor. It takes like two seconds.

Worked straight away. Thanks for the tip!

--------------------- MERGED ---------------------------

Just edit the nsp in a hex editor. It takes like two seconds.

Worked straight away. Thanks for the tip!

 

[masterzed]

great work! maybe we can play higher title on FW2.3 too? in future? thanks for replay

 

[Migz]

So if i'm reading this right there no way of patching 3.01 or above to work on a 3.0.0 firmware or below?

 

[Kobigov]

So if i'm reading this right there no way of patching 3.01 or above to work on a 3.0.0 firmware or below?

Not unless someone figures out a way to let lower firms use newer keys I think

 

[adrifcastr]

major update in the works. fixes the update problem and the mkey detection.
should be out later today.

 

[suzsuzuki]

major update in the works. fixes the update problem and the mkey detection.
should be out later today.
View attachment 137813

Great people found a way to edit updates too?

 

[adrifcastr]

Great people found a way to edit updates too?

nah, I'm simply merging the update nca and the basgame nca into a romfs container.