source: trip-planner-front/node_modules/sshpk/bin/sshpk-conv@ fa375fe

Last change on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit
  • Property mode set to 100644
File size: 5.6 KB
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[6a3a178]1#!/usr/bin/env node
2// -*- mode: js -*-
3// vim: set filetype=javascript :
4// Copyright 2018 Joyent, Inc. All rights reserved.
5
6var dashdash = require('dashdash');
7var sshpk = require('../lib/index');
8var fs = require('fs');
9var path = require('path');
10var tty = require('tty');
11var readline = require('readline');
12var getPassword = require('getpass').getPass;
13
14var options = [
15 {
16 names: ['outformat', 't'],
17 type: 'string',
18 help: 'Output format'
19 },
20 {
21 names: ['informat', 'T'],
22 type: 'string',
23 help: 'Input format'
24 },
25 {
26 names: ['file', 'f'],
27 type: 'string',
28 help: 'Input file name (default stdin)'
29 },
30 {
31 names: ['out', 'o'],
32 type: 'string',
33 help: 'Output file name (default stdout)'
34 },
35 {
36 names: ['private', 'p'],
37 type: 'bool',
38 help: 'Produce a private key as output'
39 },
40 {
41 names: ['derive', 'd'],
42 type: 'string',
43 help: 'Output a new key derived from this one, with given algo'
44 },
45 {
46 names: ['identify', 'i'],
47 type: 'bool',
48 help: 'Print key metadata instead of converting'
49 },
50 {
51 names: ['fingerprint', 'F'],
52 type: 'bool',
53 help: 'Output key fingerprint'
54 },
55 {
56 names: ['hash', 'H'],
57 type: 'string',
58 help: 'Hash function to use for key fingeprint with -F'
59 },
60 {
61 names: ['spki', 's'],
62 type: 'bool',
63 help: 'With -F, generates an SPKI fingerprint instead of SSH'
64 },
65 {
66 names: ['comment', 'c'],
67 type: 'string',
68 help: 'Set key comment, if output format supports'
69 },
70 {
71 names: ['help', 'h'],
72 type: 'bool',
73 help: 'Shows this help text'
74 }
75];
76
77if (require.main === module) {
78 var parser = dashdash.createParser({
79 options: options
80 });
81
82 try {
83 var opts = parser.parse(process.argv);
84 } catch (e) {
85 console.error('sshpk-conv: error: %s', e.message);
86 process.exit(1);
87 }
88
89 if (opts.help || opts._args.length > 1) {
90 var help = parser.help({}).trimRight();
91 console.error('sshpk-conv: converts between SSH key formats\n');
92 console.error(help);
93 console.error('\navailable key formats:');
94 console.error(' - pem, pkcs1 eg id_rsa');
95 console.error(' - ssh eg id_rsa.pub');
96 console.error(' - pkcs8 format you want for openssl');
97 console.error(' - openssh like output of ssh-keygen -o');
98 console.error(' - rfc4253 raw OpenSSH wire format');
99 console.error(' - dnssec dnssec-keygen format');
100 console.error(' - putty PuTTY ppk format');
101 console.error('\navailable fingerprint formats:');
102 console.error(' - hex colon-separated hex for SSH');
103 console.error(' straight hex for SPKI');
104 console.error(' - base64 SHA256:* format from OpenSSH');
105 process.exit(1);
106 }
107
108 /*
109 * Key derivation can only be done on private keys, so use of the -d
110 * option necessarily implies -p.
111 */
112 if (opts.derive)
113 opts.private = true;
114
115 var inFile = process.stdin;
116 var inFileName = 'stdin';
117
118 var inFilePath;
119 if (opts.file) {
120 inFilePath = opts.file;
121 } else if (opts._args.length === 1) {
122 inFilePath = opts._args[0];
123 }
124
125 if (inFilePath)
126 inFileName = path.basename(inFilePath);
127
128 try {
129 if (inFilePath) {
130 fs.accessSync(inFilePath, fs.R_OK);
131 inFile = fs.createReadStream(inFilePath);
132 }
133 } catch (e) {
134 ifError(e, 'error opening input file');
135 }
136
137 var outFile = process.stdout;
138
139 try {
140 if (opts.out && !opts.identify) {
141 fs.accessSync(path.dirname(opts.out), fs.W_OK);
142 outFile = fs.createWriteStream(opts.out);
143 }
144 } catch (e) {
145 ifError(e, 'error opening output file');
146 }
147
148 var bufs = [];
149 inFile.on('readable', function () {
150 var data;
151 while ((data = inFile.read()))
152 bufs.push(data);
153 });
154 var parseOpts = {};
155 parseOpts.filename = inFileName;
156 inFile.on('end', function processKey() {
157 var buf = Buffer.concat(bufs);
158 var fmt = 'auto';
159 if (opts.informat)
160 fmt = opts.informat;
161 var f = sshpk.parseKey;
162 if (opts.private)
163 f = sshpk.parsePrivateKey;
164 try {
165 var key = f(buf, fmt, parseOpts);
166 } catch (e) {
167 if (e.name === 'KeyEncryptedError') {
168 getPassword(function (err, pw) {
169 if (err)
170 ifError(err);
171 parseOpts.passphrase = pw;
172 processKey();
173 });
174 return;
175 }
176 ifError(e);
177 }
178
179 if (opts.derive)
180 key = key.derive(opts.derive);
181
182 if (opts.comment)
183 key.comment = opts.comment;
184
185 if (opts.identify) {
186 var kind = 'public';
187 if (sshpk.PrivateKey.isPrivateKey(key))
188 kind = 'private';
189 console.log('%s: a %d bit %s %s key', inFileName,
190 key.size, key.type.toUpperCase(), kind);
191 if (key.type === 'ecdsa')
192 console.log('ECDSA curve: %s', key.curve);
193 if (key.comment)
194 console.log('Comment: %s', key.comment);
195 console.log('SHA256 fingerprint: ' +
196 key.fingerprint('sha256').toString());
197 console.log('MD5 fingerprint: ' +
198 key.fingerprint('md5').toString());
199 console.log('SPKI-SHA256 fingerprint: ' +
200 key.fingerprint('sha256', 'spki').toString());
201 process.exit(0);
202 return;
203 }
204
205 if (opts.fingerprint) {
206 var hash = opts.hash;
207 var type = opts.spki ? 'spki' : 'ssh';
208 var format = opts.outformat;
209 var fp = key.fingerprint(hash, type).toString(format);
210 outFile.write(fp);
211 outFile.write('\n');
212 outFile.once('drain', function () {
213 process.exit(0);
214 });
215 return;
216 }
217
218 fmt = undefined;
219 if (opts.outformat)
220 fmt = opts.outformat;
221 outFile.write(key.toBuffer(fmt));
222 if (fmt === 'ssh' ||
223 (!opts.private && fmt === undefined))
224 outFile.write('\n');
225 outFile.once('drain', function () {
226 process.exit(0);
227 });
228 });
229}
230
231function ifError(e, txt) {
232 if (txt)
233 txt = txt + ': ';
234 else
235 txt = '';
236 console.error('sshpk-conv: ' + txt + e.name + ': ' + e.message);
237 if (process.env['DEBUG'] || process.env['V']) {
238 console.error(e.stack);
239 if (e.innerErr)
240 console.error(e.innerErr.stack);
241 }
242 process.exit(1);
243}
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