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Ensure the authorized_file permissions are correct

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This commit is contained in:
Johannes Zellner
2017-03-07 14:39:14 +01:00
parent d49d76c1ee
commit 6023c0e5dc
1 changed files with 21 additions and 8 deletions
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29
src/ssh.js
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@@ -53,6 +53,25 @@ function clear(callback) {
});
}
function saveKeys(keys) {
assert(Array.isArray(keys));
if (!safe.fs.writeFileSync(AUTHORIZED_KEYS_FILEPATH, keys.map(function (k) { return k.key; }).join('\n'))) {
console.error(safe.error);
return false;
}
try {
// 600 = rw-------
fs.chmodSync(AUTHORIZED_KEYS_FILEPATH, '600');
} catch (e) {
console.error('Failed to adjust permissions of %s', AUTHORIZED_KEYS_FILEPATH, e);
return false;
}
return true;
}
function getKeys() {
var content = safe.fs.readFileSync(AUTHORIZED_KEYS_FILEPATH, 'utf8');
if (!content) return [];
@@ -100,10 +119,7 @@ function addAuthorizedKey(key, callback) {
if (index !== -1) keys[index] = { identifier: identifier, key: key };
else keys.push({ identifier: identifier, key: key });
if (!safe.fs.writeFileSync(AUTHORIZED_KEYS_FILEPATH, keys.map(function (k) { return k.key; }).join('\n'))) {
console.error(safe.error);
return callback(new SshError(SshError.INTERNAL_ERROR, safe.error));
}
if (!saveKeys(keys)) return callback(new SshError(SshError.INTERNAL_ERROR));
callback();
}
@@ -119,10 +135,7 @@ function delAuthorizedKey(identifier, callback) {
// now remove the key
keys.splice(index, 1);
if (!safe.fs.writeFileSync(AUTHORIZED_KEYS_FILEPATH, keys.map(function (k) { return k.key; }).join('\n'))) {
console.error(safe.error);
return callback(new SshError(SshError.INTERNAL_ERROR, safe.error));
}
if (!saveKeys(keys)) return callback(new SshError(SshError.INTERNAL_ERROR));
callback();
}