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Fix.
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7078 changed files with 1882834 additions and 319 deletions
115
node_modules/sshpk/lib/formats/ssh.js
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115
node_modules/sshpk/lib/formats/ssh.js
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// Copyright 2015 Joyent, Inc.
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module.exports = {
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read: read,
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write: write
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};
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var assert = require('assert-plus');
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var Buffer = require('safer-buffer').Buffer;
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var rfc4253 = require('./rfc4253');
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var utils = require('../utils');
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var Key = require('../key');
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var PrivateKey = require('../private-key');
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var sshpriv = require('./ssh-private');
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/*JSSTYLED*/
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var SSHKEY_RE = /^([a-z0-9-]+)[ \t]+([a-zA-Z0-9+\/]+[=]*)([ \t]+([^ \t][^\n]*[\n]*)?)?$/;
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/*JSSTYLED*/
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var SSHKEY_RE2 = /^([a-z0-9-]+)[ \t\n]+([a-zA-Z0-9+\/][a-zA-Z0-9+\/ \t\n=]*)([^a-zA-Z0-9+\/ \t\n=].*)?$/;
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function read(buf, options) {
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if (typeof (buf) !== 'string') {
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assert.buffer(buf, 'buf');
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buf = buf.toString('ascii');
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}
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var trimmed = buf.trim().replace(/[\\\r]/g, '');
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var m = trimmed.match(SSHKEY_RE);
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if (!m)
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m = trimmed.match(SSHKEY_RE2);
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assert.ok(m, 'key must match regex');
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var type = rfc4253.algToKeyType(m[1]);
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var kbuf = Buffer.from(m[2], 'base64');
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/*
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* This is a bit tricky. If we managed to parse the key and locate the
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* key comment with the regex, then do a non-partial read and assert
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* that we have consumed all bytes. If we couldn't locate the key
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* comment, though, there may be whitespace shenanigans going on that
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* have conjoined the comment to the rest of the key. We do a partial
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* read in this case to try to make the best out of a sorry situation.
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*/
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var key;
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var ret = {};
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if (m[4]) {
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try {
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key = rfc4253.read(kbuf);
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} catch (e) {
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m = trimmed.match(SSHKEY_RE2);
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assert.ok(m, 'key must match regex');
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kbuf = Buffer.from(m[2], 'base64');
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key = rfc4253.readInternal(ret, 'public', kbuf);
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}
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} else {
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key = rfc4253.readInternal(ret, 'public', kbuf);
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}
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assert.strictEqual(type, key.type);
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if (m[4] && m[4].length > 0) {
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key.comment = m[4];
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} else if (ret.consumed) {
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/*
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* Now the magic: trying to recover the key comment when it's
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* gotten conjoined to the key or otherwise shenanigan'd.
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*
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* Work out how much base64 we used, then drop all non-base64
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* chars from the beginning up to this point in the the string.
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* Then offset in this and try to make up for missing = chars.
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*/
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var data = m[2] + (m[3] ? m[3] : '');
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var realOffset = Math.ceil(ret.consumed / 3) * 4;
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data = data.slice(0, realOffset - 2). /*JSSTYLED*/
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replace(/[^a-zA-Z0-9+\/=]/g, '') +
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data.slice(realOffset - 2);
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var padding = ret.consumed % 3;
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if (padding > 0 &&
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data.slice(realOffset - 1, realOffset) !== '=')
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realOffset--;
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while (data.slice(realOffset, realOffset + 1) === '=')
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realOffset++;
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/* Finally, grab what we think is the comment & clean it up. */
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var trailer = data.slice(realOffset);
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trailer = trailer.replace(/[\r\n]/g, ' ').
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replace(/^\s+/, '');
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if (trailer.match(/^[a-zA-Z0-9]/))
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key.comment = trailer;
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}
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return (key);
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}
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function write(key, options) {
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assert.object(key);
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if (!Key.isKey(key))
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throw (new Error('Must be a public key'));
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var parts = [];
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var alg = rfc4253.keyTypeToAlg(key);
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parts.push(alg);
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var buf = rfc4253.write(key);
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parts.push(buf.toString('base64'));
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if (key.comment)
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parts.push(key.comment);
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return (Buffer.from(parts.join(' ')));
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}
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