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Code Issues Releases Wiki Activity

Don't rely on ssh-keygen output to prevent known errors

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This commit is contained in:
Nick O'Leary 2018-01-19 22:31:41 +00:00
parent c2508296a5
commit 7e27dd7678
No known key found for this signature in database
GPG Key ID: 4F2157149161A6C9
2 changed files with 51 additions and 56 deletions
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25
red/runtime/storage/localfilesystem/projects/ssh/keygen.js
View File

@ -33,14 +33,14 @@ function runSshKeygenCommand(args,cwd,env) {
stderr += data;
});
child.on('close', function(code, signal) {
console.log(code);
console.log(stdout);
console.log(stderr);
// console.log(code);
// console.log(stdout);
// console.log(stderr);
if (code !== 0) {
var err = new Error(stderr);
err.stdout = stdout;
err.stderr = stderr;
if (/passphrase is too short/.test(stderr)) {
if (/short/.test(stderr)) {
err.code = "key_passphrase_too_short";
} else if(/Key must at least be 1024 bits/.test(stderr)) {
err.code = "key_length_too_short";
@ -60,7 +60,13 @@ function init(_settings, _runtime) {
function generateKey(options) {
var args = ['-q', '-t', 'rsa'];
var err;
if (options.size) {
if (options.size < 1024) {
err = new Error("key_length_too_short");
err.code = "key_length_too_short";
throw err;
}
args.push('-b', options.size);
}
if (options.location) {
@ -69,7 +75,16 @@ function generateKey(options) {
if (options.comment) {
args.push('-C', options.comment);
}
args.push('-N', options.password||'');
if (options.password) {
if (options.password.length < 5) {
err = new Error("key_passphrase_too_short");
err.code = "key_passphrase_too_short";
throw err;
}
args.push('-N', options.password||'');
} else {
args.push('-N', '');
}
return runSshKeygenCommand(args,__dirname);
}

82
test/red/runtime/storage/localfilesystem/projects/ssh/keygen_spec.js
View File

@ -24,7 +24,9 @@ var keygen = require("../../../../../../../red/runtime/storage/localfilesystem/p
describe("localfilesystem/projects/ssh/keygen", function() {
afterEach(function() {
child_process.spawn.restore();
if (child_process.spawn.restore) {
child_process.spawn.restore();
}
})
it("invokes sshkeygen", function(done) {
@ -47,7 +49,7 @@ describe("localfilesystem/projects/ssh/keygen", function() {
});
keygen.generateKey({
size: 123,
size: 1024,
location: 'location',
comment: 'comment',
password: 'password'
@ -63,66 +65,44 @@ describe("localfilesystem/projects/ssh/keygen", function() {
var command;
var args;
var opts;
sinon.stub(child_process,"spawn", function(_command,_args,_opts) {
_command = command;
_args = args;
_opts = opts;
var e = new EventEmitter();
e.stdout = new EventEmitter();
e.stderr = new EventEmitter();
setTimeout(function() {
e.stdout.emit("data","result");
e.stderr.emit("data","passphrase is too short");
e.emit("close",1);
},5)
return e;
});
keygen.generateKey({
size: 123,
location: 'location',
comment: 'comment',
password: 'password'
}).then(function(output) {
done(new Error("Error not thrown"));
}).catch(function(err) {
try {
keygen.generateKey({
size: 1024,
location: 'location',
comment: 'comment',
password: '123'
}).then(function(output) {
done(new Error("Error not thrown"));
}).catch(function(err) {
done(new Error("Error not thrown"));
})
} catch(err) {
err.should.have.property("code","key_passphrase_too_short");
done();
})
}
});
it("reports key length too short", function(done) {
var command;
var args;
var opts;
sinon.stub(child_process,"spawn", function(_command,_args,_opts) {
_command = command;
_args = args;
_opts = opts;
var e = new EventEmitter();
e.stdout = new EventEmitter();
e.stderr = new EventEmitter();
setTimeout(function() {
e.stdout.emit("data","result");
e.stderr.emit("data","Key must at least be 1024 bits");
e.emit("close",1);
},50)
return e;
});
keygen.generateKey({
size: 123,
location: 'location',
comment: 'comment',
password: 'password'
}).then(function(output) {
done(new Error("Error not thrown"));
}).catch(function(err) {
try {
keygen.generateKey({
size: 123,
location: 'location',
comment: 'comment',
password: 'password'
}).then(function(output) {
done(new Error("Error not thrown"));
}).catch(function(err) {
done(new Error("Error not thrown"));
})
} catch(err) {
err.should.have.property("code","key_length_too_short");
done();
})
}
});