/
nvram-parser.js
289 lines (261 loc) · 9.23 KB
/
nvram-parser.js
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// Generated by IcedCoffeeScript 108.0.11
/*
format begins with 54 43 46 31 0C
TCF1 and OC
then 3 nulls
then key value pairs separated by nulls
format ends with two nulls
first null normal line end
second null signifies EOF
*/
(function() {
var NvramArm, NvramParser, fs, iced, isGzip, zlib, __iced_k, __iced_k_noop,
__slice = [].slice;
iced = require('iced-runtime');
__iced_k = __iced_k_noop = function() {};
fs = require('fs');
zlib = require('zlib');
isGzip = require('is-gzip');
NvramArm = require("./nvram-arm-parser");
NvramParser = (function() {
function NvramParser() {}
NvramParser.pretty = false;
NvramParser.error = function(e) {
return console.error("error: " + e);
};
NvramParser.formatHexString = function(hexstring) {
return hexstring.toLowerCase().replace(/\s/g, "");
};
NvramParser.header = "54 43 46 31 0C 00 00 00";
NvramParser.footer = "00";
NvramParser.headerbuf = Buffer.from(NvramParser.formatHexString(NvramParser.header), "hex");
NvramParser.footerbuf = Buffer.from(NvramParser.formatHexString(NvramParser.footer), "hex");
NvramParser.separator = Buffer.from("00", "hex");
NvramParser.validate = function(buf) {
var f, h;
if (!(buf instanceof Buffer)) {
return "object not a Buffer";
}
if (!(h = buf.slice(0, +(this.headerbuf.length - 1) + 1 || 9e9)).equals(this.headerbuf)) {
return "header \"" + h + "\" does not match expected NVRAM cfg format -- aborting";
}
if (!(f = buf.slice(-this.footerbuf.length)).equals(this.footerbuf)) {
return "footer \"" + f + "\" does not match expected NVRAM cfg format -- aborting";
}
return true;
};
NvramParser.loadFile = function(filename, autocb) {
var buf, err, file, valid, ___iced_passed_deferral, __iced_deferrals, __iced_k;
__iced_k = autocb;
___iced_passed_deferral = iced.findDeferral(arguments);
file = fs.readFileSync(filename);
(function(_this) {
return (function(__iced_k) {
if (isGzip(file)) {
(function(__iced_k) {
__iced_deferrals = new iced.Deferrals(__iced_k, {
parent: ___iced_passed_deferral,
filename: "/home/charles/source/nvram-cfg-parser/src/nvram-parser.iced",
funcname: "NvramParser.loadFile"
});
zlib.gunzip(file, __iced_deferrals.defer({
assign_fn: (function() {
return function() {
err = arguments[0];
return buf = arguments[1];
};
})(),
lineno: 50
}));
__iced_deferrals._fulfill();
})(function() {
return __iced_k((valid = _this.validate(buf)) !== true ? err = valid : void 0);
});
} else {
(function(__iced_k) {
if (NvramArm.is(file)) {
(function(__iced_k) {
__iced_deferrals = new iced.Deferrals(__iced_k, {
parent: ___iced_passed_deferral,
filename: "/home/charles/source/nvram-cfg-parser/src/nvram-parser.iced",
funcname: "NvramParser.loadFile"
});
NvramArm.decode(file, __iced_deferrals.defer({
assign_fn: (function() {
return function() {
return buf = arguments[0];
};
})(),
lineno: 53
}));
__iced_deferrals._fulfill();
})(__iced_k);
} else {
return __iced_k(err = "unrecognized filetype");
}
})(__iced_k);
}
});
})(this)((function(_this) {
return function() {
if (err) {
autocb(_this.error(err));
return;
}
autocb(buf);
return;
};
})(this));
};
NvramParser.parse = function(buf) {
var body, bound, eq, key, pair, settings, val;
body = buf.slice(NvramParser.headerbuf.length, +(-NvramParser.footerbuf.length) + 1 || 9e9);
bound = 0;
settings = {};
while (body.length) {
bound = body.indexOf(NvramParser.separator);
if (bound > -1) {
pair = body.slice(0, +(bound - 1) + 1 || 9e9);
body = body.slice(bound + 1);
} else {
return NvramParser.error("format not supported, missing null terminator");
}
pair = pair.toString("utf8");
eq = pair.indexOf("=");
key = pair.slice(0, +(eq - 1) + 1 || 9e9);
val = pair.slice(eq + 1);
settings[key] = val;
}
return settings;
};
NvramParser.decode = function(filename, autocb) {
var buf, settings, ___iced_passed_deferral, __iced_deferrals, __iced_k;
__iced_k = autocb;
___iced_passed_deferral = iced.findDeferral(arguments);
(function(__iced_k) {
__iced_deferrals = new iced.Deferrals(__iced_k, {
parent: ___iced_passed_deferral,
filename: "/home/charles/source/nvram-cfg-parser/src/nvram-parser.iced",
funcname: "NvramParser.decode"
});
NvramParser.loadFile(filename, __iced_deferrals.defer({
assign_fn: (function() {
return function() {
return buf = arguments[0];
};
})(),
lineno: 88
}));
__iced_deferrals._fulfill();
})(function() {
settings = NvramParser.parse(buf);
if (NvramParser.pretty) {
autocb(JSON.stringify(settings, null, 2));
return;
} else {
autocb(JSON.stringify(settings));
return;
}
});
};
NvramParser.encode = function(filename, format, autocb) {
var encoded, json, key, pair, pairs, settings, value, ___iced_passed_deferral, __iced_deferrals, __iced_k;
__iced_k = autocb;
___iced_passed_deferral = iced.findDeferral(arguments);
if (format == null) {
format = "original";
}
json = fs.readFileSync(filename);
settings = JSON.parse(json);
pairs = (function() {
var _results;
_results = [];
for (key in settings) {
value = settings[key];
pair = Buffer.from("" + key + "=" + value);
_results.push(Buffer.concat([pair, this.separator]));
}
return _results;
}).call(NvramParser);
(function(__iced_k) {
switch (format.toLowerCase()) {
case "original":
(function(__iced_k) {
__iced_deferrals = new iced.Deferrals(__iced_k, {
parent: ___iced_passed_deferral,
filename: "/home/charles/source/nvram-cfg-parser/src/nvram-parser.iced",
funcname: "NvramParser.encode"
});
NvramParser.encodeOriginal(pairs, __iced_deferrals.defer({
assign_fn: (function() {
return function() {
return encoded = arguments[0];
};
})(),
lineno: 104
}));
__iced_deferrals._fulfill();
})(__iced_k);
break;
case "arm":
(function(__iced_k) {
__iced_deferrals = new iced.Deferrals(__iced_k, {
parent: ___iced_passed_deferral,
filename: "/home/charles/source/nvram-cfg-parser/src/nvram-parser.iced",
funcname: "NvramParser.encode"
});
NvramArm.encode(pairs, __iced_deferrals.defer({
assign_fn: (function() {
return function() {
return encoded = arguments[0];
};
})(),
lineno: 106
}));
__iced_deferrals._fulfill();
})(__iced_k);
break;
default:
autocb(NvramParser.error("format not supported"));
return;
return __iced_k();
}
})(function() {
autocb(encoded);
return;
});
};
NvramParser.encodeOriginal = function(pairs, autocb) {
var buf, err, fz, ___iced_passed_deferral, __iced_deferrals, __iced_k;
__iced_k = autocb;
___iced_passed_deferral = iced.findDeferral(arguments);
buf = Buffer.concat([NvramParser.headerbuf].concat(__slice.call(pairs), [NvramParser.footerbuf]));
(function(__iced_k) {
__iced_deferrals = new iced.Deferrals(__iced_k, {
parent: ___iced_passed_deferral,
filename: "/home/charles/source/nvram-cfg-parser/src/nvram-parser.iced",
funcname: "NvramParser.encodeOriginal"
});
zlib.gzip(buf, __iced_deferrals.defer({
assign_fn: (function() {
return function() {
err = arguments[0];
return fz = arguments[1];
};
})(),
lineno: 116
}));
__iced_deferrals._fulfill();
})(function() {
if (err) {
autocb(NvramParser.error(err));
return;
}
autocb(fz);
return;
});
};
return NvramParser;
})();
module.exports = NvramParser;
}).call(this);