Marc/Linux.js---javascript-OS
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Maj de sheebr + maj mineure des scripts

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This commit is contained in:
Marc
2021-11-29 14:08:48 +01:00
parent 07c16904e6
commit 952edb4270
18 changed files with 294 additions and 33 deletions
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copyRootfsIntoTheImage.sh
+2 -2
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@@ -2,12 +2,12 @@
# we depend on a properly build rootfs
if [ "$EUID" -ne 0 ]
then echo "Please run as root"
exit
exit 1
fi
if [ -z disk.img ]
then echo "Please run createLiveImage.sh first"
exit
exit 1
fi
echo "rebuilding C++ hooks"
createLiveImage.sh
+3 -3
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@@ -47,10 +47,10 @@ arch-chroot $CHIBRAX_MOUNT_POINT grub-mkconfig -o /boot/grub/grub.cfg
PARTUUID=$(lsblk $LOOP --fs | awk '{print $4}' | grep -v LABEL)
echo "menuentry 'Chibrax OS' {" >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
echo " set root='hd0,msdos1'" >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
echo "menuentry 'Chibrax OS' {" >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
echo " set root='hd0,msdos1'" >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
echo " linux /boot/vmlinuz rootfstype=ext4 root=/dev/sda1 rw quiet" >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
echo "}" >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
echo "}" >> $CHIBRAX_MOUNT_POINT/boot/grub/grub.cfg
umount $CHIBRAX_MOUNT_POINT
losetup -d $LOOP_ROOT
deps.sh
Executable
+12
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@@ -0,0 +1,12 @@
if [ -f /bin/pacman ] # btw
then
sudo pacman -S python gcc make bc
else if [ -f /bin/apt ] #deb / ubuntu
then
sudo apt-get install python3 g++ make
else if [ -f /bin/dnf ] #fedora
then
sudo dnf install python3 gcc-c++ make bc
fi
fi
fi
rootfs overrides/chibrax/hook.js
-4
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@@ -20,8 +20,4 @@ async function fHook(path) {
})
}
function rHook(path) {
}
module.exports = { hookTo, fHook }
rootfs overrides/chibrax/keyboard.js
+7
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@@ -0,0 +1,7 @@
const fs = require('fs')
function setLayOut(layout) {
}
fs.readFileSync('/etc/vconsole.conf')
rootfs overrides/etc/vconsole.conf
+1
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@@ -0,0 +1 @@
KEYMAP=fr-pc
rootfs overrides/usr/bin/cat.js
+18
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@@ -0,0 +1,18 @@
const fs = require('fs');
if(process.argv.length >= 3){
try{
const content = fs.readFileSync(process.argv[3], {encoding: 'utf-8'});
console.log(content)
}
catch(e){
switch(e.code){
case "ENOENT":
console.error(`file "${file}" does not exist.`);
break;
default:
console.error(`error: code ${e.code}`)
}
}
}
rootfs overrides/usr/bin/dircolors.js
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rootfs overrides/usr/bin/echo.js
+1 -1
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@@ -1,3 +1,3 @@
if(process.argv.length >= 3){
console.log(process.argv[3])
console.log('\x1b[36m%s\x1b[0m', process.argv[3])
}
rootfs overrides/usr/bin/ip.js
+2
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@@ -0,0 +1,2 @@
const os = require('os');
console.log(os.networkInterfaces());
rootfs overrides/usr/bin/ls.js
+123 -8
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@@ -1,14 +1,129 @@
const fs = require('fs')
let path = process.argv[3] ?? '.'
let optionsArray = process.argv.slice(4) ?? []
let paths = []
let options = []
for(let option of optionsArray){
if(option.startwith("--")) options.push(option.slice)
else if(options.startwith("-")) options.push += option.slice(1).split('').map(el => {return '-' + el})
for(arg of process.argv.slice(3)){
if(arg.startsWith('--')){
options.push(arg)
}
else if(arg.startsWith('-')){
for(let option of arg.slice(1)){
options.push('-' + option);
}
}
else{
paths.push(arg)
}
}
const files = fs.readdirSync(path);
const nonHiddenFiles = files.filter(file => file[0] != '.')
if(paths.length == 0){
paths = ['.'];
}
console.log(options.includes('-a') ? files.join(' ') : nonHiddenFiles.join(' '))
try{
listFiles(paths[0], options)
}
catch(e){
switch(e.code){
case "ENOENT":
console.error(`path "${paths[0]}" does not exist`);
break;
default:
console.error(`ls: ${e.code}`)
}
}
function listFiles(path, options){
const files = ['.', '..'].concat(fs.readdirSync(paths[0]))
const nonHiddenFiles = files.filter(file => file[0] != '.')
colorList = JSON.parse(process.env.ls_color)
if(options.includes('-l')){
console.log(`total ${options.includes('-a') ? files.length : nonHiddenFiles.length}`)
for(let file of options.includes('-a') ? files : nonHiddenFiles){
stats = fs.lstatSync(`${path}/${file}`);
mode = stats.mode
result = ""
let color = []
let defaultColor = "\x1b[0m"
let fileType = "-"
if(stats.isFile()){
fileType = "-";
if(stats.mode & 00100){ //owner can execute
color = colorList.ex ? `\x1b[${colorList.ex[0]}m\x1b[${colorList.ex[1]}m` : "\x1b[0m"
}
}
else if (stats.isDirectory()) {
fileType = "d";
color = colorList.di ? `\x1b[${colorList.di[0]}m\x1b[${colorList.di[1]}m` : "\x1b[0m"
}
else if (stats.isSymbolicLink()){
fileType = "l"
color = colorList.ln ? `\x1b[${colorList.ln[0]}m\x1b[${colorList.ln[1]}m` : "\x1b[0m"
}
result += fileType;
permissions = "xwr"
for(let i=8;i>=0;i--){
result += parseInt(Math.pow(2,i).toString(2)) & mode ? permissions[i%3] : '-'
}
if(01000 & mode){ // check sticky bit
color = "\x1b[40m\x1b[92m\x1b[7m"
}
let date = new Date(stats.mtimeMs*1000).toDateString().split(' ');
result += ` ${usernameFromUID(stats.uid)}\t${groupnameFromGID(stats.gid)}\t${stats.size}\t${date[2]} ${date[1]}. ${options.includes('--color') ? color : ""}${file}${defaultColor}`
console.log(result)
}
}
else{
result = ""
const defaultColor = "\x1b[0m";
if(options.includes('--color')){
for(let file of options.includes('-a') ? files : nonHiddenFiles){
stats = fs.lstatSync(`${path}/${file}`);
let color = defaultColor
if(stats.isDirectory()){
color = colorList.di ? `\x1b[${colorList.di[1]}m\x1b[${colorList.di[0]}m` : defaultColor
}
else if (stats.isSymbolicLink()){
color = colorList.ln ? `\x1b[${colorList.ln[1]}m\x1b[${colorList.ln[0]}m` : defaultColor
}
if(01000 & stats.mode){ // check sticky bit
color = "\x1b[40m\x1b[92m\x1b[7m"
}
result += color + file + defaultColor + " ";
}
console.log(result)
}else{
console.log(options.includes('-a') ? files.join(' ') : nonHiddenFiles.join(' '))
}
}
}
function usernameFromUID(uid){
const passwd = fs.readFileSync("/etc/passwd", {encoding: 'utf-8'}).split('\n');
for(let line of passwd){
let lineSplited = line.split(':')
if(lineSplited[2] == uid){
return lineSplited[0];
}
}
return uid
}
function groupnameFromGID(uid){
const passwd = fs.readFileSync("/etc/passwd", {encoding: 'utf-8'}).split('\n');
for(let line of passwd){
let lineSplited = line.split(':')
if(lineSplited[3] == uid){
return lineSplited[0];
}
}
return uid
}
rootfs overrides/usr/bin/rm.js
+25
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@@ -0,0 +1,25 @@
const fs = require('fs')
if(process.argv.length >= 3){
let filesToRemove = process.argv.slice(3).filter((arg) => !arg.startsWith('-'));
let forceDelete = process.argv.includes("--force") || process.argv.includes("-f");
let recursiveDelete = process.argv.includes("--recursive") || process.argv.includes('-r');
for(file of filesToRemove){
try{
fs.rmSync(file, {force: forceDelete, recursive: recursiveDelete});
}catch(e){
switch(e.code){
case "ENOENT":
console.error(`file "${file}" does not exist.`);
break;
case "ERR_FS_EISDIR":
console.error(`cannot delete ${file} because it is a folder. Try using -r.`)
break;
default:
console.error(`error: code ${e.code}`)
console.code(`message: ${e.message}`)
}
}
}
}
rootfs overrides/usr/bin/sheebr.js
+58 -13
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@@ -1,7 +1,8 @@
const { Lexer } = require('../lib/sheebr/lexer')
const { getline } = require('../lib/sheebr/utils')
const fs = require('fs')
const environment = require('../lib/sheebr/environment')
let environment = require('../lib/sheebr/environment')
let aliases = require("../lib/sheebr/aliases")
const readline = require('readline').createInterface({
input: process.stdin,
output: process.stdout,
@@ -19,6 +20,7 @@ async function start(){
while(true){
input = await getline("sheebr> ");
if(input == "exit") break;
if(input == "") continue;
else evaluate(input);
}
}
@@ -26,16 +28,40 @@ async function start(){
function evaluate(input){
let lexer = new Lexer(input)
args = lexer.scanTokens()
if(args[0] == "cd"){
if(args.length != 2){
console.log("Wrong number of arguments"); return;}
if(!fs.existsSync(args[1])){console.log("Folder does not exist"); return;}
current_dir = args[1][0] == "/" ? args[1] : current_dir + '/' + args[1];
console.log(current_dir)
return;
args = evaluateAliases(args)
args = evaluateEnvironmentVariables(args);
switch(args[0]){
case "cd":
if(args.length != 2){
console.log("Wrong number of arguments"); return;}
if(!fs.existsSync(args[1])){console.log("Folder does not exist"); return;}
current_dir = args[1][0] == "/" ? args[1] : current_dir + '/' + args[1];
//console.log(current_dir)
break;
case "set":
environment[args[1]] = args[2];
break;
case "alias":
if(args.length == 1) console.log(aliases);
else if(args.length == 2){
console.error("Wrong number of argument")
}
else{
aliases[args[1]] = args[2].split(" ")
}
break;
case "clear":
console.clear();
break;
default:
evaluateProgram(args)
}
// check for all folders in path
}
function evaluateProgram(args){
let found = false;
for(let path of environment.path){
@@ -43,7 +69,7 @@ function evaluate(input){
const files = fs.readdirSync(path);
if(files.includes(`${args[0]}.js`)){
found = true;
script = execSync(`node ${path + '/' + args[0]}.js ${args.map(arg => {return arg.includes(' ') ? `"${arg}"` : arg}).join(' ')}`, {cwd: current_dir});
script = execSync(`node ${path + '/' + args[0]}.js ${args.map(arg => {return arg.includes(' ') ? `"${arg}"` : arg}).join(' ')}`, {cwd: current_dir, env: environment});
process.stdout.write(script)
tobreak = true;
}
@@ -53,8 +79,27 @@ function evaluate(input){
if(!found){
console.log("Program not found")
}
let program = args[0]
}
function evaluateEnvironmentVariables(args){
let newArgs = []
for(let arg of args){
if(arg.startsWith('$')){
if (arg.slice(1) in environment)
newArgs.push(JSON.stringify(environment[arg.slice(1)]));
else
console.error(`variable ${arg.slice(1)} does not exist.`);
}
else{
newArgs.push(arg)
}
}
return newArgs;
}
function evaluateAliases(args){
if(args[0] in aliases){
return aliases[args[0]].concat(args.slice(1))
}
return args;
}
rootfs overrides/usr/bin/touch.js
+6 -1
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@@ -1,4 +1,9 @@
const fs = require('fs')
if(process.argv.length >= 3){
fs.openSync(process.argv[3], 'w');
try{
fs.openSync(process.argv[3], 'w');
}
catch(e){
console.error(e.code + '\n' + e.message);
}
}
rootfs overrides/usr/bin/whereis.js
+23
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@@ -0,0 +1,23 @@
const fs = require('fs');
const { resolve } = require('path');
if(process.argv.length >= 3){
// console.log(process.env.path)
for(let environmentPath of process.env.path.split(',')){
console.log(recursiveSearch(environmentPath, process.argv[3]));
}
}
function recursiveSearch(dir, bin){
result = []
const dirents = fs.readdirSync(dir, {withFileTypes: true});
for(const dirent of dirents){
const res = resolve(dir, dirent.name);
if(dirent.name === bin){
result.push(res);
}
if(dirent.isDirectory())
result = result.concat(recursiveSearch(dirent.name, bin))
}
return result;
}
rootfs overrides/usr/bin/whoami.js
+2
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@@ -0,0 +1,2 @@
let os = require('os')
console.log(os.userInfo().username);
rootfs overrides/usr/lib/sheebr/aliases.js
+5
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@@ -0,0 +1,5 @@
const aliases = {
ls: ["ls", "--color"]
}
module.exports = aliases
rootfs overrides/usr/lib/sheebr/environment.js
+6 -1
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@@ -1,5 +1,10 @@
let environment = {
path: ["/usr/lib/sheebr", "/usr/bin"]
path: ["/usr/bin", "/usr/lib/sheebr"],
ls_color: JSON.stringify({
di: [01, 34],
ln: [01, 36],
ex: [01, 32]
})
}
module.exports = environment