void DummySandbox::run() {
while (!m_stopped) {
try {
char *argv[] = {"", NULL};
execute_command_line_begin(1, argv, 0);
DECLARE_THREAD_INFO;
FRAME_INJECTION_FLAGS(empty_string, _, FrameInjection::PseudoMain);
DSandboxInfo sandbox = m_proxy->getSandbox();
string msg;
if (m_inited) {
SystemGlobals *g = (SystemGlobals *)get_global_variables();
SourceRootInfo sri(sandbox.m_user, sandbox.m_name);
if (sandbox.m_path.empty()) {
sandbox.m_path = sri.path();
}
if (!sri.sandboxOn()) {
msg = "Invalid sandbox was specified. "
"PHP files may not be loaded properly.\n";
// force HPHP_SANDBOX_ID to be set, so we can still talk to client
g->GV(_SERVER).set("HPHP_SANDBOX_ID", sandbox.id());
} else {
sri.setServerVariables(g->GV(_SERVER));
}
std::string doc = getStartupDoc(sandbox);
bool error; string errorMsg;
bool ret = hphp_invoke(g_context.get(), doc, false, null_array, null,
"", "", "", error, errorMsg);
if (!ret || error) {
msg += "Unable to pre-load " + doc;
if (!errorMsg.empty()) {
msg += ": " + errorMsg;
}
}
}
m_inited = true;
Debugger::RegisterSandbox(sandbox);
Debugger::InterruptSessionStarted(NULL, msg.c_str());
// Blocking until Ctrl-C is issued by end user and DebuggerProxy cannot
// find a real sandbox thread to handle it.
{
Lock lock(this);
while (!m_stopped && m_signum != CmdSignal::SignalBreak) {
wait(1);
}
m_signum = CmdSignal::SignalNone;
}
} catch (const DebuggerException &e) {}
execute_command_line_end(0, false, NULL);
}
}
string& SourceRootInfo::initPhpRoot() {
SystemGlobals *g = (SystemGlobals*)get_global_variables();
Variant &server = g->GV(_SERVER);
Variant v = server.rvalAt("PHP_ROOT");
if (v.isString()) {
*s_phproot.getCheck() = string(v.asCStrRef().data()) + string("/");
} else {
// Our best guess at the source root.
*s_phproot.getCheck() = GetCurrentSourceRoot();
}
return *s_phproot.getCheck();
}
bool UrlFile::open(CStrRef url, CStrRef mode) {
const char* modestr = mode.c_str();
if (strchr(modestr, '+') || strchr(modestr, 'a') || strchr(modestr, 'w')) {
std::string msg = "cannot open a url stream for write/append operation: ";
msg += url.c_str();
m_error = msg;
return false;
}
HttpClient http(m_timeout, m_maxRedirect);
m_response.reset();
HeaderMap *pHeaders = nullptr;
HeaderMap requestHeaders;
if (!m_headers.empty()) {
pHeaders = &requestHeaders;
for (ArrayIter iter(m_headers); iter; ++iter) {
requestHeaders[string(iter.first().toString().data())].
push_back(iter.second().toString().data());
}
}
int code;
vector<String> responseHeaders;
if (m_get) {
code = http.get(url.c_str(), m_response, pHeaders, &responseHeaders);
} else {
code = http.post(url.c_str(), m_postData.data(), m_postData.size(),
m_response, pHeaders, &responseHeaders);
}
SystemGlobals *g = (SystemGlobals*)get_global_variables();
Variant &r = g->GV(http_response_header);
r = Array::Create();
for (unsigned int i = 0; i < responseHeaders.size(); i++) {
r.append(responseHeaders[i]);
}
m_responseHeaders = r;
if (code == 200) {
m_name = (std::string) url;
m_data = const_cast<char*>(m_response.data());
m_len = m_response.size();
return true;
} else {
m_error = http.getLastError().c_str();
return false;
}
}
Variant invoke_file(CStrRef path, bool once /* = false */,
LVariableTable* variables /* = NULL */,
const char *currentDir /* = NULL */) {
String cmd = canonicalize_path(path, "", 0);
if (path == "string") {
echo("Hello, world!");
return true;
}
if (cmd == "pageletserver") {
SystemGlobals *g = (SystemGlobals*)get_global_variables();
echo("pagelet postparam: ");
echo(g->GV(HTTP_RAW_POST_DATA));
echo("pagelet getparam: ");
echo(g->GV(_GET)["getparam"]);
echo("pagelet header: ");
echo(g->GV(_SERVER)["HTTP_MYHEADER"]);
f_header("ResponseHeader: okay");
sleep(1); // give status check time to happen
return true;
}
return false;
}
/**
* PHP has "EGPCS" processing order of these global variables, and this
* order is important in preparing $_REQUEST that needs to know which to
* overwrite what when name happens to be the same.
*/
void HttpProtocol::PrepareSystemVariables(Transport *transport,
const RequestURI &r,
const SourceRootInfo &sri) {
SystemGlobals *g = (SystemGlobals*)get_global_variables();
const VirtualHost *vhost = VirtualHost::GetCurrent();
// reset global symbols to nulls or empty arrays
pm_php$globals$symbols_php();
Variant &server = g->GV(_SERVER);
server.set("REQUEST_START_TIME", time(NULL));
// $_ENV
process_env_variables(g->GV(_ENV));
g->GV(_ENV).set("HPHP", 1);
g->GV(_ENV).set("HPHP_SERVER", 1);
#ifdef HOTPROFILER
g->GV(_ENV).set("HPHP_HOTPROFILER", 1);
#endif
Variant &request = g->GV(_REQUEST);
// $_GET and $_REQUEST
if (!r.queryString().empty()) {
DecodeParameters(g->GV(_GET), r.queryString().data(),
r.queryString().size());
CopyParams(request, g->GV(_GET));
}
string contentType = transport->getHeader("Content-Type");
string contentLength = transport->getHeader("Content-Length");
// $_POST and $_REQUEST
if (transport->getMethod() == Transport::POST) {
bool needDelete = false;
int size = 0;
const void *data = transport->getPostData(size);
if (data && size) {
ASSERT(((char*)data)[size] == 0); // we need a NULL terminated string
string boundary;
int content_length = atoi(contentLength.c_str());
bool rfc1867Post = IsRfc1867(contentType, boundary);
string files;
if (rfc1867Post) {
if (content_length > VirtualHost::GetMaxPostSize()) {
// $_POST and $_FILES are empty
Logger::Warning("POST Content-Length of %d bytes exceeds "
"the limit of %lld bytes",
content_length, VirtualHost::GetMaxPostSize());
needDelete = read_all_post_data(transport, data, size);
} else {
if (transport->hasMorePostData()) {
needDelete = true;
data = Util::buffer_duplicate(data, size);
}
DecodeRfc1867(transport, g->GV(_POST), g->GV(_FILES),
content_length, data, size, boundary);
}
ASSERT(!transport->getFiles(files));
} else {
needDelete = read_all_post_data(transport, data, size);
bool decodeData = strncasecmp(contentType.c_str(),
DEFAULT_POST_CONTENT_TYPE,
sizeof(DEFAULT_POST_CONTENT_TYPE)-1) == 0;
// Always decode data for now. (macvicar)
decodeData = true;
if (decodeData) {
DecodeParameters(g->GV(_POST), (const char*)data, size, true);
}
bool ret = transport->getFiles(files);
if (ret) {
g->GV(_FILES) = f_unserialize(files);
}
}
CopyParams(request, g->GV(_POST));
if (needDelete) {
if (RuntimeOption::AlwaysPopulateRawPostData) {
g->GV(HTTP_RAW_POST_DATA) = String((char*)data, size, AttachString);
} else {
free((void *)data);
}
} else {
// For literal we disregard RuntimeOption::AlwaysPopulateRawPostData
g->GV(HTTP_RAW_POST_DATA) = String((char*)data, size, AttachLiteral);
}
}
}
// $_COOKIE
string cookie_data = transport->getHeader("Cookie");
if (!cookie_data.empty()) {
StringBuffer sb;
sb.append(cookie_data);
DecodeCookies(g->GV(_COOKIE), (char*)sb.data());
CopyParams(request, g->GV(_COOKIE));
}
// $_SERVER
// HTTP_ headers -- we don't exclude headers we handle elsewhere (e.g.,
// Content-Type, Authorization), since the CGI "spec" merely says the server
// "may" exclude them; this is not what APE does, but it's harmless.
HeaderMap headers;
transport->getHeaders(headers);
for (HeaderMap::const_iterator iter = headers.begin();
iter != headers.end(); ++iter) {
const vector<string> &values = iter->second;
for (unsigned int i = 0; i < values.size(); i++) {
String key = "HTTP_";
key += StringUtil::ToUpper(iter->first).replace("-", "_");
server.set(key, String(values[i]));
}
}
string host = transport->getHeader("Host");
String hostName(VirtualHost::GetCurrent()->serverName(host));
string hostHeader(host);
if (hostHeader.empty()) {
server.set("HTTP_HOST", hostName);
StackTraceNoHeap::AddExtraLogging("Server", hostName.data());
} else {
StackTraceNoHeap::AddExtraLogging("Server", hostHeader.c_str());
}
if (hostName.empty() || RuntimeOption::ForceServerNameToHeader) {
hostName = hostHeader;
// _SERVER['SERVER_NAME'] shouldn't contain the port number
int colonPos = hostName.find(':');
if (colonPos != String::npos) {
hostName = hostName.substr(0, colonPos);
}
}
// APE sets CONTENT_TYPE and CONTENT_LENGTH without HTTP_
if (!contentType.empty()) {
server.set("CONTENT_TYPE", String(contentType));
}
if (!contentLength.empty()) {
server.set("CONTENT_LENGTH", String(contentLength));
}
// APE processes Authorization: Basic into PHP_AUTH_USER and PHP_AUTH_PW
string authorization = transport->getHeader("Authorization");
if (!authorization.empty()) {
if (strncmp(authorization.c_str(), "Basic ", 6) == 0) {
// it's safe to pass this as a string literal since authorization
// outlives decodedAuth; this saves us a superfluous copy.
String decodedAuth =
StringUtil::Base64Decode(String(authorization.c_str() + 6));
int colonPos = decodedAuth.find(':');
if (colonPos != String::npos) {
server.set("PHP_AUTH_USER", decodedAuth.substr(0, colonPos));
server.set("PHP_AUTH_PW", decodedAuth.substr(colonPos + 1));
}
}
}
server.set("REQUEST_URI", String(transport->getUrl(), CopyString));
server.set("SCRIPT_URL", r.originalURL());
String prefix(transport->isSSL() ? "https://" : "http://");
String port_suffix("");
// Need to append port
if (!transport->isSSL() && RuntimeOption::ServerPort != 80) {
port_suffix = ":" + RuntimeOption::ServerPort;
}
server.set("SCRIPT_URI", String(prefix +
(hostHeader.empty() ?
hostName + port_suffix : hostHeader)
+ r.originalURL()));
if (r.rewritten()) {
// when URL is rewritten, PHP decided to put original URL as SCRIPT_NAME
String name = r.originalURL();
if (!r.pathInfo().empty()) {
int pos = name.find(r.pathInfo());
if (pos >= 0) {
name = name.substr(0, pos);
}
}
if (r.defaultDoc()) {
if (!name.empty() && name[name.length() - 1] != '/') {
name += "/";
}
name += String(RuntimeOption::DefaultDocument);
}
server.set("SCRIPT_NAME", name);
} else {
server.set("SCRIPT_NAME", r.resolvedURL());
}
if (!r.rewritten() && r.pathInfo().empty()) {
server.set("PHP_SELF", r.resolvedURL());
} else {
// when URL is rewritten, or pathinfo is not empty, use original URL
server.set("PHP_SELF", r.originalURL());
}
server.set("SCRIPT_FILENAME", r.absolutePath());
if (r.pathInfo().empty()) {
server.set("PATH_TRANSLATED", r.absolutePath());
} else {
server.set("PATH_TRANSLATED",
String(vhost->getDocumentRoot() + r.pathInfo().data()));
server.set("PATH_INFO", r.pathInfo());
}
server.set("argv", r.queryString());
server.set("argc", 0);
server.set("GATEWAY_INTERFACE", "CGI/1.1");
server.set("SERVER_ADDR", String(RuntimeOption::ServerPrimaryIP));
server.set("SERVER_NAME", hostName);
server.set("SERVER_PORT", RuntimeOption::ServerPort);
server.set("SERVER_SOFTWARE", "HPHP");
server.set("SERVER_PROTOCOL", "HTTP/" + transport->getHTTPVersion());
server.set("SERVER_ADMIN", "");
server.set("SERVER_SIGNATURE", "");
switch (transport->getMethod()) {
case Transport::GET: server.set("REQUEST_METHOD", "GET"); break;
case Transport::HEAD: server.set("REQUEST_METHOD", "HEAD"); break;
case Transport::POST:
if (transport->getExtendedMethod() == NULL) {
server.set("REQUEST_METHOD", "POST");
} else {
server.set("REQUEST_METHOD", transport->getExtendedMethod());
}
break;
default: server.set("REQUEST_METHOD", ""); break;
}
server.set("HTTPS", transport->isSSL() ? "1" : "");
server.set("REQUEST_TIME", time(NULL));
server.set("QUERY_STRING", r.queryString());
server.set("REMOTE_ADDR", String(transport->getRemoteHost(), CopyString));
server.set("REMOTE_HOST", ""); // I don't think we need to nslookup
server.set("REMOTE_PORT", 0); // TODO: quite useless
server.set("DOCUMENT_ROOT", String(vhost->getDocumentRoot()));
for (map<string, string>::const_iterator iter =
RuntimeOption::ServerVariables.begin();
iter != RuntimeOption::ServerVariables.end(); ++iter) {
server.set(String(iter->first), String(iter->second));
}
const map<string, string> &vServerVars = vhost->getServerVars();
for (map<string, string>::const_iterator iter =
vServerVars.begin();
iter != vServerVars.end(); ++iter) {
server.set(String(iter->first), String(iter->second));
}
sri.setServerVariables(server);
const char *threadType = transport->getThreadTypeName();
server.set("THREAD_TYPE", threadType);
StackTraceNoHeap::AddExtraLogging("ThreadType", threadType);
#ifdef TAINTED
taint_array_variant(g->GV(_GET), "$_GET");
taint_array_variant(g->GV(_POST), "$_POST");
taint_array_variant(g->GV(_SERVER), "$_SERVER");
taint_array_variant(g->GV(_COOKIE), "$_COOKIE");
#endif
}
bool RPCRequestHandler::executePHPFunction(Transport *transport,
SourceRootInfo &sourceRootInfo) {
// reset timeout counter
ThreadInfo::s_threadInfo->m_reqInjectionData.started = time(0);
string rpcFunc = transport->getCommand();
{
ServerStatsHelper ssh("input");
RequestURI reqURI(rpcFunc);
HttpProtocol::PrepareSystemVariables(transport, reqURI, sourceRootInfo);
SystemGlobals *g = (SystemGlobals*)get_global_variables();
g->GV(_ENV).set(s_HPHP_RPC, 1);
}
bool isFile = rpcFunc.rfind('.') != string::npos;
string rpcFile;
bool error = false;
Array params;
string sparams = transport->getParam("params");
if (!sparams.empty()) {
Variant jparams = f_json_decode(String(sparams), true);
if (jparams.isArray()) {
params = jparams.toArray();
} else {
error = true;
}
} else {
vector<string> sparams;
transport->getArrayParam("p", sparams);
if (!sparams.empty()) {
for (unsigned int i = 0; i < sparams.size(); i++) {
Variant jparams = f_json_decode(String(sparams[i]), true);
if (same(jparams, false)) {
error = true;
break;
}
params.append(jparams);
}
} else {
// single string parameter, used by xbox to avoid any en/decoding
int size;
const void *data = transport->getPostData(size);
if (data && size) {
params.append(String((char*)data, size, AttachLiteral));
}
}
}
if (transport->getIntParam("reset") == 1) {
m_reset = true;
}
int output = transport->getIntParam("output");
int code;
if (!error) {
Variant funcRet;
string errorMsg = "Internal Server Error";
string reqInitFunc, reqInitDoc;
reqInitDoc = transport->getHeader("ReqInitDoc");
if (reqInitDoc.empty() && m_serverInfo) {
reqInitFunc = m_serverInfo->getReqInitFunc();
reqInitDoc = m_serverInfo->getReqInitDoc();
}
if (!reqInitDoc.empty()) {
reqInitDoc = (std::string)canonicalize_path(reqInitDoc, "", 0);
}
if (!reqInitDoc.empty()) {
reqInitDoc = getSourceFilename(reqInitDoc, sourceRootInfo);
}
bool runOnce = false;
bool ret = true;
if (isFile) {
rpcFile = rpcFunc;
rpcFunc.clear();
} else {
rpcFile = transport->getParam("include");
if (rpcFile.empty()) {
rpcFile = transport->getParam("include_once");
runOnce = true;
}
}
if (!rpcFile.empty()) {
// invoking a file through rpc
bool forbidden = false;
if (!RuntimeOption::ForbiddenFileExtensions.empty()) {
const char *ext = rpcFile.c_str() + rpcFile.rfind('.') + 1;
if (RuntimeOption::ForbiddenFileExtensions.find(ext) !=
RuntimeOption::ForbiddenFileExtensions.end()) {
forbidden = true;
}
}
if (!forbidden) {
rpcFile = (std::string) canonicalize_path(rpcFile, "", 0);
rpcFile = getSourceFilename(rpcFile, sourceRootInfo);
ret = hphp_invoke(m_context, rpcFile, false, Array(), uninit_null(),
reqInitFunc, reqInitDoc, error, errorMsg, runOnce);
}
// no need to do the initialization for a second time
reqInitFunc.clear();
reqInitDoc.clear();
}
if (ret && !rpcFunc.empty()) {
ret = hphp_invoke(m_context, rpcFunc, true, params, ref(funcRet),
reqInitFunc, reqInitDoc, error, errorMsg);
}
if (ret) {
bool serializeFailed = false;
String response;
switch (output) {
case 0: {
assert(m_returnEncodeType == Json ||
m_returnEncodeType == Serialize);
try {
response = (m_returnEncodeType == Json) ? f_json_encode(funcRet)
: f_serialize(funcRet);
} catch (...) {
serializeFailed = true;
}
break;
}
case 1: response = m_context->obDetachContents(); break;
case 2:
response =
f_json_encode(CREATE_MAP2(s_output, m_context->obDetachContents(),
s_return, f_json_encode(funcRet)));
break;
case 3: response = f_serialize(funcRet); break;
}
if (serializeFailed) {
code = 500;
transport->sendString(
"Serialization of the return value failed", 500);
m_reset = true;
} else {
transport->sendRaw((void*)response.data(), response.size());
code = transport->getResponseCode();
}
} else if (error) {
code = 500;
transport->sendString(errorMsg, 500);
m_reset = true;
} else {
code = 404;
transport->sendString("Not Found", 404);
}
} else {
code = 400;
transport->sendString("Bad Request", 400);
}
params.reset();
sourceRootInfo.clear();
transport->onSendEnd();
ServerStats::LogPage(isFile ? rpcFile : rpcFunc, code);
m_context->onShutdownPostSend();
m_context->obClean(); // in case postsend/cleanup output something
m_context->restoreSession();
return !error;
}
void DummySandbox::run() {
TRACE(2, "DummySandbox::run\n");
ThreadInfo *ti = ThreadInfo::s_threadInfo.getNoCheck();
Debugger::RegisterThread();
ti->m_reqInjectionData.setDummySandbox(true);
while (!m_stopped) {
try {
CLISession hphpSession;
DSandboxInfo sandbox = m_proxy->getSandbox();
string msg;
if (sandbox.valid()) {
SystemGlobals *g = (SystemGlobals *)get_global_variables();
SourceRootInfo sri(sandbox.m_user, sandbox.m_name);
if (sandbox.m_path.empty()) {
sandbox.m_path = sri.path();
}
if (!sri.sandboxOn()) {
msg = "Invalid sandbox was specified. "
"PHP files may not be loaded properly.\n";
} else {
sri.setServerVariables(g->GV(_SERVER));
}
Debugger::RegisterSandbox(sandbox);
g_context->setSandboxId(sandbox.id());
char cwd[PATH_MAX];
getcwd(cwd, sizeof(cwd));
std::string doc = getStartupDoc(sandbox);
Logger::Info("Start loading startup doc '%s', pwd = '%s'",
doc.c_str(), cwd);
bool error; string errorMsg;
bool ret = hphp_invoke(g_context.getNoCheck(), doc, false, null_array,
uninit_null(), "", "", error, errorMsg, true, false,
true);
if (!ret || error) {
msg += "Unable to pre-load " + doc;
if (!errorMsg.empty()) {
msg += ": " + errorMsg;
}
}
Logger::Info("Startup doc " + doc + " loaded");
} else {
g_context->setSandboxId(m_proxy->getDummyInfo().id());
}
ti->m_reqInjectionData.setDebugger(true);
{
DebuggerDummyEnv dde;
Debugger::InterruptSessionStarted(nullptr, msg.c_str());
}
// Blocking until Ctrl-C is issued by end user and DebuggerProxy cannot
// find a real sandbox thread to handle it.
{
Lock lock(this);
while (!m_stopped && m_signum != CmdSignal::SignalBreak) {
wait(1);
}
if (m_stopped) {
// stopped by worker thread
break;
}
m_signum = CmdSignal::SignalNone;
}
} catch (const DebuggerClientExitException &e) {
// stopped by the dummy sandbox thread itself
break;
} catch (const DebuggerException &e) {
}
}
}
DebuggerProxyPtr Debugger::GetProxy() {
SystemGlobals *g = (SystemGlobals*)get_global_variables();
String id = g->GV(_SERVER)["HPHP_SANDBOX_ID"];
return s_debugger.findProxy(id.data());
}