void onConnect( DBClientWithCommands &c ) {
if ( _nokillop ) {
return;
}
c.setClientRPCProtocols(shellGlobalParams.rpcProtocols);
connectionRegistry.registerConnection( c );
}
void onConnect(DBClientWithCommands& c) {
if (_nokillop) {
return;
}
// Only override the default rpcProtocols if they were set on the command line.
if (shellGlobalParams.rpcProtocols) {
c.setClientRPCProtocols(*shellGlobalParams.rpcProtocols);
}
connectionRegistry.registerConnection(c);
}
void onConnect( DBClientWithCommands &c ) {
if ( _nokillop ) {
return;
}
connectionRegistry.registerConnection( c );
}
namespace shell_utils {
std::string _dbConnect;
std::string _dbAuth;
const char* argv0 = 0;
void RecordMyLocation(const char* _argv0) {
argv0 = _argv0;
}
// helpers
BSONObj makeUndefined() {
BSONObjBuilder b;
b.appendUndefined("");
return b.obj();
}
const BSONObj undefinedReturn = makeUndefined();
BSONElement singleArg(const BSONObj& args) {
uassert(12597, "need to specify 1 argument", args.nFields() == 1);
return args.firstElement();
}
const char* getUserDir() {
#ifdef _WIN32
return getenv("USERPROFILE");
#else
return getenv("HOME");
#endif
}
// real methods
BSONObj JSGetMemInfo(const BSONObj& args, void* data) {
ProcessInfo pi;
uassert(10258, "processinfo not supported", pi.supported());
BSONObjBuilder e;
e.append("virtual", pi.getVirtualMemorySize());
e.append("resident", pi.getResidentSize());
BSONObjBuilder b;
b.append("ret", e.obj());
return b.obj();
}
#if !defined(_WIN32)
ThreadLocalValue<unsigned int> _randomSeed;
#endif
BSONObj JSSrand(const BSONObj& a, void* data) {
unsigned int seed;
// grab the least significant bits of either the supplied argument or
// a random number from SecureRandom.
if (a.nFields() == 1 && a.firstElement().isNumber())
seed = static_cast<unsigned int>(a.firstElement().numberLong());
else {
std::unique_ptr<SecureRandom> rand(SecureRandom::create());
seed = static_cast<unsigned int>(rand->nextInt64());
}
#if !defined(_WIN32)
_randomSeed.set(seed);
#else
srand(seed);
#endif
return BSON("" << static_cast<double>(seed));
}
BSONObj JSRand(const BSONObj& a, void* data) {
uassert(12519, "rand accepts no arguments", a.nFields() == 0);
unsigned r;
#if !defined(_WIN32)
r = rand_r(&_randomSeed.getRef());
#else
r = rand();
#endif
return BSON("" << double(r) / (double(RAND_MAX) + 1));
}
BSONObj isWindows(const BSONObj& a, void* data) {
uassert(13006, "isWindows accepts no arguments", a.nFields() == 0);
#ifdef _WIN32
return BSON("" << true);
#else
return BSON("" << false);
#endif
}
BSONObj getBuildInfo(const BSONObj& a, void* data) {
uassert(16822, "getBuildInfo accepts no arguments", a.nFields() == 0);
BSONObjBuilder b;
VersionInfoInterface::instance().appendBuildInfo(&b);
return BSON("" << b.done());
}
BSONObj isKeyTooLarge(const BSONObj& a, void* data) {
uassert(17428, "keyTooLarge takes exactly 2 arguments", a.nFields() == 2);
BSONObjIterator i(a);
BSONObj index = i.next().Obj();
BSONObj doc = i.next().Obj();
return BSON("" << isAnyIndexKeyTooLarge(index, doc));
}
BSONObj validateIndexKey(const BSONObj& a, void* data) {
BSONObj key = a[0].Obj();
Status indexValid = validateKeyPattern(key);
if (!indexValid.isOK()) {
return BSON("" << BSON("ok" << false << "type" << indexValid.codeString() << "errmsg"
<< indexValid.reason()));
}
return BSON("" << BSON("ok" << true));
}
BSONObj replMonitorStats(const BSONObj& a, void* data) {
uassert(17134,
"replMonitorStats requires a single string argument (the ReplSet name)",
a.nFields() == 1 && a.firstElement().type() == String);
ReplicaSetMonitorPtr rsm = ReplicaSetMonitor::get(a.firstElement().valuestrsafe());
if (!rsm) {
return BSON(""
<< "no ReplSetMonitor exists by that name");
}
BSONObjBuilder result;
rsm->appendInfo(result);
return result.obj();
}
BSONObj useWriteCommandsDefault(const BSONObj& a, void* data) {
return BSON("" << shellGlobalParams.useWriteCommandsDefault);
}
BSONObj writeMode(const BSONObj&, void*) {
return BSON("" << shellGlobalParams.writeMode);
}
BSONObj readMode(const BSONObj&, void*) {
return BSON("" << shellGlobalParams.readMode);
}
BSONObj interpreterVersion(const BSONObj& a, void* data) {
uassert(16453, "interpreterVersion accepts no arguments", a.nFields() == 0);
return BSON("" << getGlobalScriptEngine()->getInterpreterVersionString());
}
BSONObj createCertificateRequest(const BSONObj& a, void* data) {
#ifndef MONGO_CONFIG_SSL
return BSON(
"" << BSON("ok" << false << "errmsg"
<< "Cannot create a certificate signing request without SSL support"));
#else
if (a.nFields() != 1 || a.firstElement().type() != Object) {
return BSON(
"" << BSON("ok" << false << "errmsg"
<< "createCertificateRequest requires a single object argument"));
}
// args can optionally contain some to be determined fields...
BSONObj args = a.firstElement().embeddedObject();
if (!args.hasField("CN")) {
return BSON(
"" << BSON("ok" << false << "errmsg"
<< "createCertificateRequest requires a Common Name (\"CN\") field"));
}
// Generate key pair and certificate signing request
RSA* rsa;
EVP_PKEY* pkey;
X509_REQ* x509req;
X509_NAME* name;
BIO* out;
char client_key[2048];
char client_csr[2048];
pkey = EVP_PKEY_new();
if (!pkey) {
return BSON("" << BSON("ok" << false));
// fail("couldn't generate key");
}
rsa = RSA_generate_key(2048, RSA_F4, NULL, NULL);
if (!EVP_PKEY_assign_RSA(pkey, rsa)) {
return BSON("" << BSON("ok" << false));
// fail("couldn't assign the key");
}
x509req = X509_REQ_new();
X509_REQ_set_pubkey(x509req, pkey);
name = X509_NAME_new();
X509_NAME_add_entry_by_txt(name, "C", MBSTRING_ASC, (const unsigned char*)"IS", -1, -1, 0);
X509_NAME_add_entry_by_txt(name, "O", MBSTRING_ASC, (const unsigned char*)"MongoDB", -1, -1, 0);
X509_NAME_add_entry_by_txt(
name, "OU", MBSTRING_ASC, (const unsigned char*)"SkunkWorks client", -1, -1, 0);
X509_NAME_add_entry_by_txt(
name, "CN", MBSTRING_ASC, (const unsigned char*)args.getStringField("CN"), -1, -1, 0);
X509_REQ_set_subject_name(x509req, name);
X509_REQ_set_version(x509req, 2);
if (!X509_REQ_sign(x509req, pkey, EVP_sha1())) {
return BSON("" << BSON("ok" << false));
}
// out = BIO_new_file("client.key.pem", "wb");
out = BIO_new(BIO_s_mem());
if (!PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, NULL)) {
return BSON("" << BSON("ok" << false));
// fail("can't write private key");
}
int i = BIO_read(out, &client_key, sizeof client_key);
client_key[i] = '\0';
BIO_free_all(out);
out = BIO_new(BIO_s_mem());
if (!PEM_write_bio_X509_REQ_NEW(out, x509req)) {
return BSON("" << BSON("ok" << false));
// fail("coudln't write csr");
}
i = BIO_read(out, &client_csr, sizeof client_csr);
client_csr[i] = '\0';
BIO_free_all(out);
EVP_PKEY_free(pkey);
X509_REQ_free(x509req);
return BSON("" << BSON("ok" << true << "certificateRequest" << client_csr << "privateKey"
<< client_key));
#endif
}
void installShellUtils(Scope& scope) {
scope.injectNative("getMemInfo", JSGetMemInfo);
scope.injectNative("_replMonitorStats", replMonitorStats);
scope.injectNative("_srand", JSSrand);
scope.injectNative("_rand", JSRand);
scope.injectNative("_isWindows", isWindows);
scope.injectNative("interpreterVersion", interpreterVersion);
scope.injectNative("getBuildInfo", getBuildInfo);
scope.injectNative("isKeyTooLarge", isKeyTooLarge);
scope.injectNative("validateIndexKey", validateIndexKey);
scope.injectNative("createCertificateRequest", createCertificateRequest);
#ifndef MONGO_SAFE_SHELL
// can't launch programs
installShellUtilsLauncher(scope);
installShellUtilsExtended(scope);
#endif
}
void initScope(Scope& scope) {
// Need to define this method before JSFiles::utils is executed.
scope.injectNative("_useWriteCommandsDefault", useWriteCommandsDefault);
scope.injectNative("_writeMode", writeMode);
scope.injectNative("_readMode", readMode);
scope.externalSetup();
mongo::shell_utils::installShellUtils(scope);
scope.execSetup(JSFiles::servers);
scope.execSetup(JSFiles::shardingtest);
scope.execSetup(JSFiles::servers_misc);
scope.execSetup(JSFiles::replsettest);
scope.execSetup(JSFiles::bridge);
scope.injectNative("benchRun", BenchRunner::benchRunSync);
scope.injectNative("benchRunSync", BenchRunner::benchRunSync);
scope.injectNative("benchStart", BenchRunner::benchStart);
scope.injectNative("benchFinish", BenchRunner::benchFinish);
if (!_dbConnect.empty()) {
uassert(12513, "connect failed", scope.exec(_dbConnect, "(connect)", false, true, false));
}
if (!_dbAuth.empty()) {
uassert(12514, "login failed", scope.exec(_dbAuth, "(auth)", true, true, false));
}
}
Prompter::Prompter(const string& prompt) : _prompt(prompt), _confirmed() {}
bool Prompter::confirm() {
if (_confirmed) {
return true;
}
// The printf and scanf functions provide thread safe i/o.
printf("\n%s (y/n): ", _prompt.c_str());
char yn = '\0';
int nScanMatches = scanf("%c", &yn);
bool matchedY = (nScanMatches == 1 && (yn == 'y' || yn == 'Y'));
return _confirmed = matchedY;
}
ConnectionRegistry::ConnectionRegistry() = default;
void ConnectionRegistry::registerConnection(DBClientWithCommands& client) {
BSONObj info;
if (client.runCommand("admin", BSON("whatsmyuri" << 1), info)) {
string connstr = dynamic_cast<DBClientBase&>(client).getServerAddress();
stdx::lock_guard<stdx::mutex> lk(_mutex);
_connectionUris[connstr].insert(info["you"].str());
}
}
void ConnectionRegistry::killOperationsOnAllConnections(bool withPrompt) const {
Prompter prompter("do you want to kill the current op(s) on the server?");
stdx::lock_guard<stdx::mutex> lk(_mutex);
for (map<string, set<string>>::const_iterator i = _connectionUris.begin();
i != _connectionUris.end();
++i) {
auto status = ConnectionString::parse(i->first);
if (!status.isOK()) {
continue;
}
const ConnectionString cs(status.getValue());
string errmsg;
std::unique_ptr<DBClientWithCommands> conn(cs.connect("MongoDB Shell", errmsg));
if (!conn) {
continue;
}
const set<string>& uris = i->second;
BSONObj currentOpRes;
conn->runPseudoCommand("admin", "currentOp", "$cmd.sys.inprog", {}, currentOpRes);
if (!currentOpRes["inprog"].isABSONObj()) {
// We don't have permissions (or the call didn't succeed) - go to the next connection.
continue;
}
auto inprog = currentOpRes["inprog"].embeddedObject();
for (const auto op : inprog) {
// For sharded clusters, `client_s` is used instead and `client` is not present.
string client;
if (auto elem = op["client"]) {
// mongod currentOp client
if (elem.type() != String) {
warning() << "Ignoring operation " << op["opid"].toString(false)
<< "; expected 'client' field in currentOp response to have type "
"string, but found "
<< typeName(elem.type());
continue;
}
client = elem.str();
} else if (auto elem = op["client_s"]) {
// mongos currentOp client
if (elem.type() != String) {
warning() << "Ignoring operation " << op["opid"].toString(false)
<< "; expected 'client_s' field in currentOp response to have type "
"string, but found "
<< typeName(elem.type());
continue;
}
client = elem.str();
} else {
// Internal operation, like TTL index.
continue;
}
if (uris.count(client)) {
if (!withPrompt || prompter.confirm()) {
BSONObjBuilder cmdBob;
BSONObj info;
cmdBob.appendAs(op["opid"], "op");
auto cmdArgs = cmdBob.done();
conn->runPseudoCommand("admin", "killOp", "$cmd.sys.killop", cmdArgs, info);
} else {
return;
}
}
}
}
}
ConnectionRegistry connectionRegistry;
bool _nokillop = false;
void onConnect(DBClientWithCommands& c) {
if (_nokillop) {
return;
}
// Only override the default rpcProtocols if they were set on the command line.
if (shellGlobalParams.rpcProtocols) {
c.setClientRPCProtocols(*shellGlobalParams.rpcProtocols);
}
connectionRegistry.registerConnection(c);
}
bool fileExists(const std::string& file) {
try {
#ifdef _WIN32
boost::filesystem::path p(toWideString(file.c_str()));
#else
boost::filesystem::path p(file);
#endif
return boost::filesystem::exists(p);
} catch (...) {
return false;
}
}
stdx::mutex& mongoProgramOutputMutex(*(new stdx::mutex()));
}