You-Dont-Need-GUI
src
You-Dont-Need-GUI | src | |
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9 | 746 | |
5,380 | 3,066 | |
0.5% | 1.4% | |
3.1 | 10.0 | |
5 months ago | about 15 hours ago | |
C | ||
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You-Dont-Need-GUI
src
- OpenBSD 7.3 ă 7.4 ăž ăąăăă°ăŹăŒă
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OpenBSD Upgrade 7.3 to 7.4
The OpenBSD project released 7.4 of their OS on 16 Oct 2023 as their 55th release đ«
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OpenBSD System-Call Pinning
Well since https://www.openbsd.org/ still says
> Only two remote holes in the default install, in a heck of a long time!
I'm assuming not, but I could always be mistaken.
- Project Bluefin: an immutable, developer-focused, Cloud-native Linux
-
From Nand to Tetris: Building a Modern Computer from First Principles
> building a cat from scratch
> That would be an interesting project.
Here is the source code of the OpenBSD implementation of cat:
> https://github.com/openbsd/src/blob/master/bin/cat/cat.c
and here of the GNU coreutils implementation:
> https://github.com/coreutils/coreutils/blob/master/src/cat.c
Thus: I don't think building a cat from scratch or creating a tutorial about that topic is particularly hard (even though the HN audience would likely be interested in it). :-)
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OpenBSD â pinning all system calls
> I don't know how they define `MAX`, but I'm guessing it's a typical "a>b?a:b"
Indeed: https://github.com/openbsd/src/blob/master/sys/sys/param.h#L...
> Then `SYS_kbind` seems to be a signed int.
It's an untyped #define: https://github.com/openbsd/src/blob/master/sys/sys/syscall.h...
I believe your whole analysis is correct, that running an elf file with an openbsd.syscalls entry with .sysno > INT_MAX will allow an out-of-bounds write.
- Une nouvelle mise à jour de Systemd permettra à Linux de bénéficier de l'infùme "écran bleu de la mort" de Windows, mais la fonctionnalité a reçu un accueil trÚs mitigé
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tmux causing ANSI color-response garbage on attaching?
I can reproduce it. And this is the commit that causes the issue: https://github.com/openbsd/src/commit/d21788ce70be80e9c4ed0c52c149e01147c4a823
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Sudo-rs' first security audit
This doesnât really change your conclusion, but I think thatâs the wrong file. This is the real doas afaict: https://github.com/openbsd/src/blob/master/usr.bin/doas/doas...
Still just a tidy 1072 lines in that folder though.
I spent 5 minutes staring at your file trying to understand how on earth it does the things in the man page, but of course it doesnât.
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OpenBSD: Removing syscall(2) from libc and kernel
OpenBSD developers are making serious effort to kill off indirect syscalls, the base system is completely clean, take a look at the work Andrew Fresh did to adapt Perl. He write a complete syscall "dispatcher" or emulator for the Perl syscall function so that it calls the libc stubs.
https://github.com/openbsd/src/commit/312e26c80be876012ae979...
The ports tree is also being cleansed of syscall(2) usage, until they're all gone.
msyscall, pinsyscall, recent mandatory IBT/BTI, xonly. OpenBSD is making waves, but people aren't really seeing them yet.
What are some alternatives?
hoogle - Haskell API search engine
cosmopolitan - build-once run-anywhere c library
trash-cli - Command line interface to the freedesktop.org trashcan.
bastille - Bastille is an open-source system for automating deployment and management of containerized applications on FreeBSD.
vald - Vald. A Highly Scalable Distributed Vector Search Engine
buttersink - Buttersink is like rsync for btrfs snapshots
Sway-PreviewKeys - Program for showing Sway window manager's key bindings associated with a mode
PHPT - The PHP Interpreter
arch-wiki-docs - A script to download pages from Arch Wiki for offline browsing
Joomla! - Home of the Joomla! Content Management System
Surface-Laptop-Go - MacOS, ChromeOS and Linux install guides for the Microsoft Surface Laptop Go.
ctl - The C Template Library