/*
- * Copyright 2001-2007 Internet2
- *
+ * Copyright 2001-2009 Internet2
+ *
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
/**
* CURLSOAPTransport.cpp
- *
+ *
* libcurl-based SOAPTransport implementation
*/
{
public:
CURLPool() : m_size(0), m_lock(Mutex::create()),
- m_log(Category::getInstance(XMLTOOLING_LOGCAT".SOAPTransport.CURLPool")) {}
+ m_log(Category::getInstance(XMLTOOLING_LOGCAT".SOAPTransport.CURL")) {}
~CURLPool();
-
+
CURL* get(const SOAPTransport::Address& addr);
void put(const char* from, const char* to, const char* endpoint, CURL* handle);
-
- private:
+
+ private:
typedef map<string,vector<CURL*> > poolmap_t;
poolmap_t m_bindingMap;
list< vector<CURL*>* > m_pools;
Mutex* m_lock;
Category& m_log;
};
-
+
static XMLTOOL_DLLLOCAL CURLPool* g_CURLPool = NULL;
-
+
class XMLTOOL_DLLLOCAL CURLSOAPTransport : public HTTPSOAPTransport, public OpenSSLSOAPTransport
{
public:
curl_easy_setopt(m_handle,CURLOPT_HEADERDATA,this);
m_headers=curl_slist_append(m_headers,"Content-Type: text/xml");
}
-
+
virtual ~CURLSOAPTransport() {
curl_slist_free_all(m_headers);
curl_easy_setopt(m_handle,CURLOPT_ERRORBUFFER,NULL);
bool setConnectTimeout(long timeout) {
return (curl_easy_setopt(m_handle,CURLOPT_CONNECTTIMEOUT,timeout)==CURLE_OK);
}
-
+
bool setTimeout(long timeout) {
return (curl_easy_setopt(m_handle,CURLOPT_TIMEOUT,timeout)==CURLE_OK);
}
-
+
bool setAuth(transport_auth_t authType, const char* username=NULL, const char* password=NULL);
-
+
bool setVerifyHost(bool verify) {
return (curl_easy_setopt(m_handle,CURLOPT_SSL_VERIFYHOST,verify ? 2 : 0)==CURLE_OK);
}
-
+
#ifndef XMLTOOLING_NO_XMLSEC
bool setCredential(const Credential* cred=NULL) {
const OpenSSLCredential* down = dynamic_cast<const OpenSSLCredential*>(cred);
m_cred = down;
return true;
}
-
+
bool setTrustEngine(
const X509TrustEngine* trustEngine=NULL,
const CredentialResolver* peerResolver=NULL,
m_mandatory = mandatory;
return true;
}
-
+
#endif
-
+
bool useChunkedEncoding(bool chunked=true) {
m_chunked = chunked;
return true;
CURLoption opt = static_cast<CURLoption>(strtol(option, NULL, 10));
if (opt < CURLOPTTYPE_OBJECTPOINT)
return (curl_easy_setopt(m_handle, opt, strtol(value, NULL, 10)) == CURLE_OK);
- else if (opt < CURLOPTTYPE_OFF_T)
- return (curl_easy_setopt(m_handle, opt, value) == CURLE_OK);
+#ifdef CURLOPTTYPE_OFF_T
+ else if (opt < CURLOPTTYPE_OFF_T) {
+ if (value)
+ m_saved_options.push_back(value);
+ return (curl_easy_setopt(m_handle, opt, value ? m_saved_options.back().c_str() : NULL) == CURLE_OK);
+ }
+# ifdef HAVE_CURL_OFF_T
else if (sizeof(curl_off_t) == sizeof(long))
return (curl_easy_setopt(m_handle, opt, strtol(value, NULL, 10)) == CURLE_OK);
+# else
+ else if (sizeof(off_t) == sizeof(long))
+ return (curl_easy_setopt(m_handle, opt, strtol(value, NULL, 10)) == CURLE_OK);
+# endif
return false;
+#else
+ else {
+ if (value)
+ m_saved_options.push_back(value);
+ return (curl_easy_setopt(m_handle, opt, value ? m_saved_options.back().c_str() : NULL) == CURLE_OK);
+ }
+#endif
+ }
+
+ void send(istream& in) {
+ send(&in);
}
-
- void send(istream& in);
-
+
+ void send(istream* in=NULL);
+
istream& receive() {
return m_stream;
}
-
+
bool isAuthenticated() const {
return m_authenticated;
}
}
string getContentType() const;
-
+
bool setRequestHeader(const char* name, const char* val) {
string temp(name);
temp=temp + ": " + val;
m_headers=curl_slist_append(m_headers,temp.c_str());
return true;
}
-
+
const vector<string>& getResponseHeader(const char* val) const;
-
+
bool setSSLCallback(ssl_ctx_callback_fn fn, void* userptr=NULL) {
m_ssl_callback=fn;
m_ssl_userptr=userptr;
return true;
}
- private:
+ private:
// per-call state
string m_sender,m_peerName,m_endpoint,m_simplecreds;
CURL* m_handle;
stringstream m_stream;
struct curl_slist* m_headers;
map<string,vector<string> > m_response_headers;
+ vector<string> m_saved_options;
#ifndef XMLTOOLING_NO_XMLSEC
const OpenSSLCredential* m_cred;
const OpenSSLTrustEngine* m_trustEngine;
void* m_ssl_userptr;
bool m_chunked;
bool m_authenticated;
-
+
friend size_t XMLTOOL_DLLLOCAL curl_header_hook(void* ptr, size_t size, size_t nmemb, void* stream);
friend CURLcode XMLTOOL_DLLLOCAL xml_ssl_ctx_callback(CURL* curl, SSL_CTX* ssl_ctx, void* userptr);
friend int XMLTOOL_DLLLOCAL verify_callback(X509_STORE_CTX* x509_ctx, void* arg);
g_CURLPool = NULL;
}
+OpenSSLSOAPTransport::OpenSSLSOAPTransport()
+{
+}
+
+OpenSSLSOAPTransport::~OpenSSLSOAPTransport()
+{
+}
+
CURLPool::~CURLPool()
{
for (poolmap_t::iterator i=m_bindingMap.begin(); i!=m_bindingMap.end(); i++) {
key = key + '|' + addr.m_to;
m_lock->lock();
poolmap_t::iterator i=m_bindingMap.find(key);
-
+
if (i!=m_bindingMap.end()) {
// Move this pool to the front of the list.
m_pools.remove(&(i->second));
m_pools.push_front(&(i->second));
-
+
// If a free connection exists, return it.
if (!(i->second.empty())) {
CURL* handle=i->second.back();
return handle;
}
}
-
+
m_lock->unlock();
m_log.debug("nothing free in pool, returning new connection handle");
-
+
// Create a new connection and set non-varying options.
CURL* handle=curl_easy_init();
if (!handle)
curl_easy_setopt(handle,CURLOPT_NOPROGRESS,1);
curl_easy_setopt(handle,CURLOPT_NOSIGNAL,1);
curl_easy_setopt(handle,CURLOPT_FAILONERROR,1);
- curl_easy_setopt(handle,CURLOPT_SSLVERSION,CURL_SSLVERSION_SSLv3);
curl_easy_setopt(handle,CURLOPT_SSL_CIPHER_LIST,"ALL:!aNULL:!LOW:!EXPORT:!SSLv2");
// Verification of the peer is via TrustEngine only.
curl_easy_setopt(handle,CURLOPT_SSL_VERIFYPEER,0);
+ curl_easy_setopt(handle,CURLOPT_CAINFO,NULL);
curl_easy_setopt(handle,CURLOPT_HEADERFUNCTION,&curl_header_hook);
curl_easy_setopt(handle,CURLOPT_WRITEFUNCTION,&curl_write_hook);
curl_easy_setopt(handle,CURLOPT_DEBUGFUNCTION,&curl_debug_hook);
m_pools.push_front(&(m_bindingMap.insert(poolmap_t::value_type(key,vector<CURL*>(1,handle))).first->second));
else
i->second.push_back(handle);
-
+
CURL* killit=NULL;
if (++m_size > 256) {
// Kick a handle out from the back of the bus.
m_size--;
break;
}
-
+
// Move an empty pool up to the front so we don't keep hitting it.
m_pools.pop_back();
m_pools.push_front(corpse);
map<string,vector<string> >::const_iterator i=m_response_headers.find(name);
if (i!=m_response_headers.end())
return i->second;
-
+
for (map<string,vector<string> >::const_iterator j=m_response_headers.begin(); j!=m_response_headers.end(); j++) {
#ifdef HAVE_STRCASECMP
if (!strcasecmp(j->first.c_str(), name))
#endif
return j->second;
}
-
+
return emptyVector;
}
return content_type ? content_type : "";
}
-void CURLSOAPTransport::send(istream& in)
+void CURLSOAPTransport::send(istream* in)
{
#ifdef _DEBUG
xmltooling::NDC ndc("send");
#endif
- Category& log=Category::getInstance(XMLTOOLING_LOGCAT".SOAPTransport");
+ Category& log=Category::getInstance(XMLTOOLING_LOGCAT".SOAPTransport.CURL");
Category& log_curl=Category::getInstance(XMLTOOLING_LOGCAT".libcurl");
+ // For this implementation, it's sufficient to check for https as a sign of transport security.
+ if (m_mandatory && !isConfidential())
+ throw IOException("Blocking unprotected HTTP request, transport authentication by server required.");
+
string msg;
// By this time, the handle has been prepared with the URL to use and the
// Setup standard per-call curl properties.
curl_easy_setopt(m_handle,CURLOPT_DEBUGDATA,&log_curl);
curl_easy_setopt(m_handle,CURLOPT_FILE,&m_stream);
- curl_easy_setopt(m_handle,CURLOPT_POST,1);
- if (m_chunked) {
+ if (m_chunked && in) {
+ curl_easy_setopt(m_handle,CURLOPT_POST,1);
m_headers=curl_slist_append(m_headers,"Transfer-Encoding: chunked");
curl_easy_setopt(m_handle,CURLOPT_READFUNCTION,&curl_read_hook);
- curl_easy_setopt(m_handle,CURLOPT_READDATA,&in);
+ curl_easy_setopt(m_handle,CURLOPT_READDATA,in);
}
- else {
+ else if (in) {
char buf[1024];
- while (in) {
- in.read(buf,1024);
- msg.append(buf,in.gcount());
+ while (*in) {
+ in->read(buf,1024);
+ msg.append(buf,in->gcount());
}
+ curl_easy_setopt(m_handle,CURLOPT_POST,1);
curl_easy_setopt(m_handle,CURLOPT_READFUNCTION,NULL);
curl_easy_setopt(m_handle,CURLOPT_POSTFIELDS,msg.c_str());
curl_easy_setopt(m_handle,CURLOPT_POSTFIELDSIZE,msg.length());
}
+ else {
+ curl_easy_setopt(m_handle,CURLOPT_HTTPGET,1);
+ }
char curl_errorbuf[CURL_ERROR_SIZE];
curl_errorbuf[0]=0;
curl_easy_setopt(m_handle,CURLOPT_SSL_CTX_FUNCTION,NULL);
curl_easy_setopt(m_handle,CURLOPT_SSL_CTX_DATA,NULL);
}
-
+
// Make the call.
log.debug("sending SOAP message to %s", m_endpoint.c_str());
if (curl_easy_perform(m_handle) != CURLE_OK) {
throw IOException(
- string("CURLSOAPTransport failed while contacting SOAP responder: ") +
+ string("CURLSOAPTransport failed while contacting SOAP endpoint (") + m_endpoint + "): " +
(curl_errorbuf[0] ? curl_errorbuf : "no further information available"));
}
}
// callback to send data to server
size_t xmltooling::curl_read_hook(void* ptr, size_t size, size_t nmemb, void* stream)
{
- // *stream is actually an istream object
- istream& buf=*(reinterpret_cast<istream*>(stream));
- buf.read(reinterpret_cast<char*>(ptr),size*nmemb);
- return buf.gcount();
+ // stream is actually an istream pointer
+ istream* buf=reinterpret_cast<istream*>(stream);
+ buf->read(reinterpret_cast<char*>(ptr),size*nmemb);
+ return buf->gcount();
}
// callback to buffer data from server
#ifndef XMLTOOLING_NO_XMLSEC
int xmltooling::verify_callback(X509_STORE_CTX* x509_ctx, void* arg)
{
- Category& log = Category::getInstance("OpenSSL");
- log.debug("invoking X509 verify callback");
+ Category& log=Category::getInstance(XMLTOOLING_LOGCAT".SOAPTransport.CURL");
+ log.debug("invoking custom X.509 verify callback");
#if (OPENSSL_VERSION_NUMBER >= 0x00907000L)
CURLSOAPTransport* ctx = reinterpret_cast<CURLSOAPTransport*>(arg);
#else
bool success=false;
if (ctx->m_criteria) {
- ctx->m_criteria->setUsage(CredentialCriteria::TLS_CREDENTIAL);
+ ctx->m_criteria->setUsage(Credential::TLS_CREDENTIAL);
// Bypass name check (handled for us by curl).
ctx->m_criteria->setPeerName(NULL);
success = ctx->m_trustEngine->validate(x509_ctx->cert,x509_ctx->untrusted,*(ctx->m_peerResolver),ctx->m_criteria);
else {
// Bypass name check (handled for us by curl).
CredentialCriteria cc;
- cc.setUsage(CredentialCriteria::TLS_CREDENTIAL);
+ cc.setUsage(Credential::TLS_CREDENTIAL);
success = ctx->m_trustEngine->validate(x509_ctx->cert,x509_ctx->untrusted,*(ctx->m_peerResolver),&cc);
}
-
+
if (!success) {
log.error("supplied TrustEngine failed to validate SSL/TLS server certificate");
x509_ctx->error=X509_V_ERR_APPLICATION_VERIFICATION; // generic error, check log for plugin specifics
ctx->setAuthenticated(false);
return ctx->m_mandatory ? 0 : 1;
}
-
+
// Signal success. Hopefully it doesn't matter what's actually in the structure now.
ctx->setAuthenticated(true);
return 1;
{
CURLSOAPTransport* conf = reinterpret_cast<CURLSOAPTransport*>(userptr);
+ // Manually disable SSLv2 so we're not dependent on libcurl to do it.
+ // Also disable the ticket option where implemented, since this breaks a variety
+ // of servers. Newer libcurl also does this for us.
+#ifdef SSL_OP_NO_TICKET
+ SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL|SSL_OP_NO_SSLv2|SSL_OP_NO_TICKET);
+#else
+ SSL_CTX_set_options(ssl_ctx, SSL_OP_ALL|SSL_OP_NO_SSLv2);
+#endif
+
#ifndef XMLTOOLING_NO_XMLSEC
if (conf->m_cred)
conf->m_cred->attach(ssl_ctx);
#endif
}
#endif
-
+
if (conf->m_ssl_callback && !conf->m_ssl_callback(conf, ssl_ctx, conf->m_ssl_userptr))
return CURLE_SSL_CERTPROBLEM;
-
+
return CURLE_OK;
}
projects / shibboleth / cpp-xmltooling.git / blobdiff