refactor: major structural changes

git updates

update tmux conf

add ansible tools

squash me

squash

fix: get git aliases from plugin

virt stuff

add devenv

some virt updates

kubernetes

home-manager/modules/discord/default.nix

@@ -0,0 +1,45 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  cfg = config.programs.discord;
+
+  discordPatcherBin = pkgs.writers.writePython3Bin "discord-krisp-patcher" {
+    libraries = with pkgs.python3Packages; [pyelftools capstone];
+    flakeIgnore = [
+      "E265" # from nix-shell shebang
+      "E501" # line too long (82 > 79 characters)
+      "F403" # 'from module import *' used; unable to detect undefined names
+      "F405" # name may be undefined, or defined from star imports: module
+    ];
+  } (builtins.readFile ./krisp-patcher.py);
+
+  wrapDiscordBinary = pkgs.writeShellScriptBin "discord" ''
+    ${pkgs.findutils}/bin/find -L $HOME/.config/discord -name 'discord_krisp.node' -exec ${discordPatcherBin}/bin/discord-krisp-patcher {} +
+    ${pkgs.discord}/bin/discord "$@"
+  '';
+
+  discord = pkgs.discord.override {
+    # Performance mod
+    withOpenASAR = true;
+    # link fix
+    nss = pkgs.nss_latest;
+  };
+in {
+  options.programs.discord = {
+    enable = lib.mkEnableOption "Discord";
+    wrapDiscord = lib.mkEnableOption "wrap the Discord binary with a patching each time";
+  };
+
+  config = lib.mkIf cfg.enable {
+    home.packages =
+      [discordPatcherBin]
+      ++ (
+        if cfg.wrapDiscord
+        then [wrapDiscordBinary]
+        else [pkgs.discord]
+      );
+  };
+}

home-manager/modules/discord/krisp-patcher.py

@@ -0,0 +1,83 @@
+import sys
+import shutil
+
+from elftools.elf.elffile import ELFFile
+from capstone import *
+from capstone.x86 import *
+
+if len(sys.argv) < 2:
+    print(f"Usage: {sys.argv[0]} [path to discord_krisp.node]")
+    # "Unix programs generally use 2 for command line syntax errors and 1 for all other kind of errors."
+    sys.exit(2)
+
+executable = sys.argv[1]
+
+elf = ELFFile(open(executable, "rb"))
+symtab = elf.get_section_by_name('.symtab')
+
+krisp_initialize_address = symtab.get_symbol_by_name("_ZN7discord15KrispInitializeEv")[0].entry.st_value
+isSignedByDiscord_address = symtab.get_symbol_by_name("_ZN7discord4util17IsSignedByDiscordERKNSt2Cr12basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEE")[0].entry.st_value
+
+text = elf.get_section_by_name('.text')
+text_start = text['sh_addr']
+text_start_file = text['sh_offset']
+# This seems to always be zero (.text starts at the right offset in the file). Do it just in case?
+address_to_file = text_start_file - text_start
+
+# Done with the ELF now.
+# elf.close()
+
+krisp_initialize_offset = krisp_initialize_address - address_to_file
+isSignedByDiscord_offset = krisp_initialize_address - address_to_file
+
+f = open(executable, "rb")
+f.seek(krisp_initialize_offset)
+krisp_initialize = f.read(64)
+f.close()
+
+# States
+found_issigned_by_discord_call = False
+found_issigned_by_discord_test = False
+found_issigned_by_discord_je = False
+found_already_patched = False
+je_location = None
+
+# We are looking for a call to IsSignedByDiscord, followed by a test, followed by a je.
+# Then we patch the je into a two byte nop.
+
+md = Cs(CS_ARCH_X86, CS_MODE_64)
+md.detail = True
+for i in md.disasm(krisp_initialize, krisp_initialize_address):
+    if i.id == X86_INS_CALL:
+        if i.operands[0].type == X86_OP_IMM:
+            if i.operands[0].imm == isSignedByDiscord_address:
+                found_issigned_by_discord_call = True
+
+    if i.id == X86_INS_TEST:
+        if found_issigned_by_discord_call:
+            found_issigned_by_discord_test = True
+
+    if i.id == X86_INS_JE:
+        if found_issigned_by_discord_test:
+            found_issigned_by_discord_je = True
+            je_location = i.address
+            break
+
+    if i.id == X86_INS_NOP:
+        if found_issigned_by_discord_test:
+            found_already_patched = True
+            break
+
+if je_location:
+    print(f"Found patch location: 0x{je_location:x}")
+
+    shutil.copyfile(executable, executable + ".orig")
+    f = open(executable, 'rb+')
+    f.seek(je_location - address_to_file)
+    f.write(b'\x66\x90')  # Two byte NOP
+    f.close()
+else:
+    if found_already_patched:
+        print("Couldn't find patch location - already patched.")
+    else:
+        print("Couldn't find patch location - review manually. Sorry.")