-/*
- * The Shibboleth License, Version 1.
- * Copyright (c) 2002
- * University Corporation for Advanced Internet Development, Inc.
- * All rights reserved
+/**
+ * Licensed to the University Corporation for Advanced Internet
+ * Development, Inc. (UCAID) under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
*
+ * UCAID licenses this file to you 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
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution, if any, must include
- * the following acknowledgment: "This product includes software developed by
- * the University Corporation for Advanced Internet Development
- * <http://www.ucaid.edu>Internet2 Project. Alternately, this acknowledegement
- * may appear in the software itself, if and wherever such third-party
- * acknowledgments normally appear.
- *
- * Neither the name of Shibboleth nor the names of its contributors, nor
- * Internet2, nor the University Corporation for Advanced Internet Development,
- * Inc., nor UCAID may be used to endorse or promote products derived from this
- * software without specific prior written permission. For written permission,
- * please contact shibboleth@shibboleth.org
- *
- * Products derived from this software may not be called Shibboleth, Internet2,
- * UCAID, or the University Corporation for Advanced Internet Development, nor
- * may Shibboleth appear in their name, without prior written permission of the
- * University Corporation for Advanced Internet Development.
- *
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND WITH ALL FAULTS. ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, AND NON-INFRINGEMENT ARE DISCLAIMED AND THE ENTIRE RISK
- * OF SATISFACTORY QUALITY, PERFORMANCE, ACCURACY, AND EFFORT IS WITH LICENSEE.
- * IN NO EVENT SHALL THE COPYRIGHT OWNER, CONTRIBUTORS OR THE UNIVERSITY
- * CORPORATION FOR ADVANCED INTERNET DEVELOPMENT, INC. BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the License.
*/
-/* isapi_shib.cpp - Shibboleth ISAPI filter
-
- Scott Cantor
- 8/23/02
-*/
+/**
+ * isapi_shib.cpp
+ *
+ * Shibboleth ISAPI filter.
+ */
+#define SHIBSP_LITE
#include "config_win32.h"
-// SAML Runtime
-#include <saml/saml.h>
-#include <shib/shib.h>
-#include <shib/shib-threads.h>
-#include <shib-target/shib-target.h>
+#define _CRT_NONSTDC_NO_DEPRECATE 1
+#define _CRT_SECURE_NO_DEPRECATE 1
+#define _CRT_RAND_S
-#include <log4cpp/Category.hh>
+#include <shibsp/exceptions.h>
+#include <shibsp/AbstractSPRequest.h>
+#include <shibsp/SPConfig.h>
+#include <shibsp/ServiceProvider.h>
-#include <ctime>
+#include <set>
#include <fstream>
-#include <sstream>
#include <stdexcept>
-
+#include <process.h>
+#include <boost/lexical_cast.hpp>
+#include <xmltooling/unicode.h>
+#include <xmltooling/XMLToolingConfig.h>
+#include <xmltooling/util/NDC.h>
+#include <xmltooling/util/XMLConstants.h>
+#include <xmltooling/util/XMLHelper.h>
+#include <xercesc/util/Base64.hpp>
+#include <xercesc/util/XMLUniDefs.hpp>
+
+#include <windows.h>
#include <httpfilt.h>
#include <httpext.h>
+using namespace shibsp;
+using namespace xmltooling;
+using namespace xercesc;
+using namespace boost;
using namespace std;
-using namespace log4cpp;
-using namespace saml;
-using namespace shibboleth;
-using namespace shibtarget;
// globals
namespace {
- static const XMLCh name[] = { chLatin_n, chLatin_a, chLatin_m, chLatin_e, chNull };
- static const XMLCh port[] = { chLatin_p, chLatin_o, chLatin_r, chLatin_t, chNull };
- static const XMLCh scheme[] = { chLatin_s, chLatin_c, chLatin_h, chLatin_e, chLatin_m, chLatin_e, chNull };
- static const XMLCh id[] = { chLatin_i, chLatin_d, chNull };
- static const XMLCh Implementation[] =
- { chLatin_I, chLatin_m, chLatin_p, chLatin_l, chLatin_e, chLatin_m, chLatin_e, chLatin_n, chLatin_t, chLatin_a, chLatin_t, chLatin_i, chLatin_o, chLatin_n, chNull };
- static const XMLCh ISAPI[] = { chLatin_I, chLatin_S, chLatin_A, chLatin_P, chLatin_I, chNull };
- static const XMLCh normalizeRequest[] =
- { chLatin_n, chLatin_o, chLatin_r, chLatin_m, chLatin_a, chLatin_l, chLatin_i, chLatin_z, chLatin_e,
- chLatin_R, chLatin_e, chLatin_q, chLatin_u, chLatin_e, chLatin_s, chLatin_t, chNull
- };
- static const XMLCh Site[] = { chLatin_S, chLatin_i, chLatin_t, chLatin_e, chNull };
+ static const XMLCh path[] = UNICODE_LITERAL_4(p,a,t,h);
+ static const XMLCh validate[] = UNICODE_LITERAL_8(v,a,l,i,d,a,t,e);
+ static const XMLCh name[] = UNICODE_LITERAL_4(n,a,m,e);
+ static const XMLCh port[] = UNICODE_LITERAL_4(p,o,r,t);
+ static const XMLCh sslport[] = UNICODE_LITERAL_7(s,s,l,p,o,r,t);
+ static const XMLCh scheme[] = UNICODE_LITERAL_6(s,c,h,e,m,e);
+ static const XMLCh id[] = UNICODE_LITERAL_2(i,d);
+ static const XMLCh Alias[] = UNICODE_LITERAL_5(A,l,i,a,s);
+ static const XMLCh Site[] = UNICODE_LITERAL_4(S,i,t,e);
struct site_t {
site_t(const DOMElement* e)
+ : m_name(XMLHelper::getAttrString(e, "", name)),
+ m_scheme(XMLHelper::getAttrString(e, "", scheme)),
+ m_port(XMLHelper::getAttrString(e, "", port)),
+ m_sslport(XMLHelper::getAttrString(e, "", sslport))
{
- auto_ptr_char n(e->getAttributeNS(NULL,name));
- auto_ptr_char s(e->getAttributeNS(NULL,scheme));
- auto_ptr_char p(e->getAttributeNS(NULL,port));
- if (n.get()) m_name=n.get();
- if (s.get()) m_scheme=s.get();
- if (p.get()) m_port=p.get();
+ e = XMLHelper::getFirstChildElement(e, Alias);
+ while (e) {
+ if (e->hasChildNodes()) {
+ auto_ptr_char alias(e->getTextContent());
+ m_aliases.insert(alias.get());
+ }
+ e = XMLHelper::getNextSiblingElement(e, Alias);
+ }
}
- string m_scheme,m_name,m_port;
+ string m_scheme,m_port,m_sslport,m_name;
+ set<string> m_aliases;
};
-
+
HINSTANCE g_hinstDLL;
- ShibTargetConfig* g_Config = NULL;
+ SPConfig* g_Config = nullptr;
map<string,site_t> g_Sites;
bool g_bNormalizeRequest = true;
+ string g_unsetHeaderValue,g_spoofKey;
+ bool g_checkSpoofing = true;
+ bool g_catchAll = false;
+ bool g_bSafeHeaderNames = false;
+ vector<string> g_NoCerts;
}
BOOL LogEvent(
PSID lpUserSid,
LPCSTR message)
{
- LPCSTR messages[] = {message, NULL};
-
+ LPCSTR messages[] = {message, nullptr};
+
HANDLE hElog = RegisterEventSource(lpUNCServerName, "Shibboleth ISAPI Filter");
- BOOL res = ReportEvent(hElog, wType, 0, dwEventID, lpUserSid, 1, 0, messages, NULL);
+ BOOL res = ReportEvent(hElog, wType, 0, dwEventID, lpUserSid, 1, 0, messages, nullptr);
return (DeregisterEventSource(hElog) && res);
}
+void _my_invalid_parameter_handler(
+ const wchar_t * expression,
+ const wchar_t * function,
+ const wchar_t * file,
+ unsigned int line,
+ uintptr_t pReserved
+ )
+{
+ return;
+}
+
extern "C" __declspec(dllexport) BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID)
{
- if (fdwReason==DLL_PROCESS_ATTACH)
- g_hinstDLL=hinstDLL;
+ if (fdwReason == DLL_PROCESS_ATTACH)
+ g_hinstDLL = hinstDLL;
return TRUE;
}
{
if (!pVer)
return FALSE;
-
- if (!g_Config)
- {
- LogEvent(NULL, EVENTLOG_ERROR_TYPE, 2100, NULL,
+
+ if (!g_Config) {
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr,
"Extension mode startup not possible, is the DLL loaded as a filter?");
return FALSE;
}
- pVer->dwExtensionVersion=HSE_VERSION;
+ pVer->dwExtensionVersion = HSE_VERSION;
strncpy(pVer->lpszExtensionDesc,"Shibboleth ISAPI Extension",HSE_MAX_EXT_DLL_NAME_LEN-1);
return TRUE;
}
{
if (!pVer)
return FALSE;
+ else if (g_Config) {
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr,
+ "Reentrant filter initialization, ignoring...");
+ return TRUE;
+ }
+
+ g_Config = &SPConfig::getConfig();
+ g_Config->setFeatures(
+ SPConfig::Listener |
+ SPConfig::Caching |
+ SPConfig::RequestMapping |
+ SPConfig::InProcess |
+ SPConfig::Logging |
+ SPConfig::Handlers
+ );
+ if (!g_Config->init()) {
+ g_Config = nullptr;
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr,
+ "Filter startup failed during library initialization, check native log for help.");
+ return FALSE;
+ }
+
+ try {
+ if (!g_Config->instantiate(nullptr, true))
+ throw runtime_error("unknown error");
+ }
+ catch (std::exception& ex) {
+ g_Config->term();
+ g_Config=nullptr;
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr, ex.what());
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr,
+ "Filter startup failed to load configuration, check native log for details.");
+ return FALSE;
+ }
- try
- {
- LPCSTR schemadir=getenv("SHIBSCHEMAS");
- if (!schemadir)
- schemadir=SHIB_SCHEMAS;
- LPCSTR config=getenv("SHIBCONFIG");
- if (!config)
- config=SHIB_CONFIG;
- g_Config=&ShibTargetConfig::getConfig();
- g_Config->setFeatures(
- ShibTargetConfig::Listener |
- ShibTargetConfig::Metadata |
- ShibTargetConfig::AAP |
- ShibTargetConfig::RequestMapper |
- ShibTargetConfig::SHIREExtensions |
- ShibTargetConfig::Logging
- );
- if (!g_Config->init(schemadir,config)) {
- g_Config=NULL;
- LogEvent(NULL, EVENTLOG_ERROR_TYPE, 2100, NULL,
- "Filter startup failed during initialization, check shire log for help.");
- return FALSE;
+ // Access implementation-specifics and site mappings.
+ ServiceProvider* sp = g_Config->getServiceProvider();
+ Locker locker(sp);
+ const PropertySet* props = sp->getPropertySet("InProcess");
+ if (props) {
+ pair<bool,bool> flag = props->getBool("checkSpoofing");
+ g_checkSpoofing = !flag.first || flag.second;
+ flag = props->getBool("catchAll");
+ g_catchAll = flag.first && flag.second;
+
+ pair<bool,const char*> unsetValue = props->getString("unsetHeaderValue");
+ if (unsetValue.first)
+ g_unsetHeaderValue = unsetValue.second;
+ if (g_checkSpoofing) {
+ unsetValue = props->getString("spoofKey");
+ if (unsetValue.first)
+ g_spoofKey = unsetValue.second;
+ else {
+ _invalid_parameter_handler old = _set_invalid_parameter_handler(_my_invalid_parameter_handler);
+ unsigned int randkey=0,randkey2=0,randkey3=0,randkey4=0;
+ if (rand_s(&randkey) == 0 && rand_s(&randkey2) == 0 && rand_s(&randkey3) == 0 && rand_s(&randkey4) == 0) {
+ _set_invalid_parameter_handler(old);
+ g_spoofKey = lexical_cast<string>(randkey) + lexical_cast<string>(randkey2) +
+ lexical_cast<string>(randkey3) + lexical_cast<string>(randkey4);
+ }
+ else {
+ _set_invalid_parameter_handler(old);
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr,
+ "Filter failed to generate a random anti-spoofing key (if this is Windows 2000 set one manually).");
+ locker.assign(); // pops lock on SP config
+ g_Config->term();
+ g_Config = nullptr;
+ return FALSE;
+ }
+ }
}
-
- // Access the implementation-specifics for site mappings.
- IConfig* conf=g_Config->getINI();
- Locker locker(conf);
- const IPropertySet* props=conf->getPropertySet("SHIRE");
+
+ props = props->getPropertySet("ISAPI");
if (props) {
- const DOMElement* impl=saml::XML::getFirstChildElement(
- props->getElement(),ShibTargetConfig::SHIBTARGET_NS,Implementation
- );
- if (impl && (impl=saml::XML::getFirstChildElement(impl,ShibTargetConfig::SHIBTARGET_NS,ISAPI))) {
- const XMLCh* flag=impl->getAttributeNS(NULL,normalizeRequest);
- g_bNormalizeRequest=(!flag || !*flag || *flag==chDigit_1 || *flag==chLatin_t);
- impl=saml::XML::getFirstChildElement(impl,ShibTargetConfig::SHIBTARGET_NS,Site);
- while (impl) {
- auto_ptr_char id(impl->getAttributeNS(NULL,id));
- if (id.get())
- g_Sites.insert(pair<string,site_t>(id.get(),site_t(impl)));
- impl=saml::XML::getNextSiblingElement(impl,ShibTargetConfig::SHIBTARGET_NS,Site);
- }
+ flag = props->getBool("normalizeRequest");
+ g_bNormalizeRequest = !flag.first || flag.second;
+ flag = props->getBool("safeHeaderNames");
+ g_bSafeHeaderNames = flag.first && flag.second;
+ const DOMElement* child = XMLHelper::getFirstChildElement(props->getElement(), Site);
+ while (child) {
+ string id(XMLHelper::getAttrString(child, "", id));
+ if (!id.empty())
+ g_Sites.insert(make_pair(id, site_t(child)));
+ child = XMLHelper::getNextSiblingElement(child, Site);
}
}
}
- catch (...)
- {
- LogEvent(NULL, EVENTLOG_ERROR_TYPE, 2100, NULL, "Filter startup failed with an exception.");
- return FALSE;
- }
- pVer->dwFilterVersion=HTTP_FILTER_REVISION;
- strncpy(pVer->lpszFilterDesc,"Shibboleth ISAPI Filter",SF_MAX_FILTER_DESC_LEN);
+ pVer->dwFilterVersion = HTTP_FILTER_REVISION;
+ strncpy(pVer->lpszFilterDesc, "Shibboleth ISAPI Filter", SF_MAX_FILTER_DESC_LEN);
pVer->dwFlags=(SF_NOTIFY_ORDER_HIGH |
SF_NOTIFY_SECURE_PORT |
SF_NOTIFY_NONSECURE_PORT |
SF_NOTIFY_PREPROC_HEADERS |
SF_NOTIFY_LOG);
- LogEvent(NULL, EVENTLOG_INFORMATION_TYPE, 7701, NULL, "Filter initialized...");
+ LogEvent(nullptr, EVENTLOG_INFORMATION_TYPE, 7701, nullptr, "Filter initialized...");
return TRUE;
}
extern "C" BOOL WINAPI TerminateFilter(DWORD)
{
if (g_Config)
- g_Config->shutdown();
- g_Config = NULL;
- LogEvent(NULL, EVENTLOG_INFORMATION_TYPE, 7701, NULL, "Filter shut down...");
+ g_Config->term();
+ g_Config = nullptr;
+ LogEvent(nullptr, EVENTLOG_INFORMATION_TYPE, 7701, nullptr, "Filter shut down...");
return TRUE;
}
class dynabuf
{
public:
- dynabuf() { bufptr=NULL; buflen=0; }
+ dynabuf() { bufptr=nullptr; buflen=0; }
dynabuf(size_t s) { bufptr=new char[buflen=s]; *bufptr=0; }
~dynabuf() { delete[] bufptr; }
size_t length() const { return bufptr ? strlen(bufptr) : 0; }
bool dynabuf::operator==(const char* s) const
{
- if (buflen==NULL || s==NULL)
- return (buflen==NULL && s==NULL);
+ if (buflen==0 || s==nullptr)
+ return (buflen==0 && s==nullptr);
else
return strcmp(bufptr,s)==0;
}
-void GetServerVariable(PHTTP_FILTER_CONTEXT pfc, LPSTR lpszVariable, dynabuf& s, DWORD size=80, bool bRequired=true)
- throw (bad_alloc, DWORD)
+/****************************************************************************/
+// ISAPI Filter
+
+class ShibTargetIsapiF : public AbstractSPRequest
{
- s.reserve(size);
- s.erase();
- size=s.size();
+ PHTTP_FILTER_CONTEXT m_pfc;
+ PHTTP_FILTER_PREPROC_HEADERS m_pn;
+ multimap<string,string> m_headers;
+ int m_port;
+ string m_scheme,m_hostname;
+ mutable string m_remote_addr,m_content_type,m_method;
+ dynabuf m_allhttp;
+ bool m_firsttime;
- while (!pfc->GetServerVariable(pfc,lpszVariable,s,&size))
- {
- // Grumble. Check the error.
- DWORD e=GetLastError();
- if (e==ERROR_INSUFFICIENT_BUFFER)
- s.reserve(size);
- else
- break;
+public:
+ ShibTargetIsapiF(PHTTP_FILTER_CONTEXT pfc, PHTTP_FILTER_PREPROC_HEADERS pn, const site_t& site)
+ : AbstractSPRequest(SHIBSP_LOGCAT ".ISAPI"), m_pfc(pfc), m_pn(pn), m_allhttp(4096), m_firsttime(true) {
+
+ // URL path always come from IIS.
+ dynabuf var(256);
+ GetHeader("url",var,256,false);
+ setRequestURI(var);
+
+ // Port may come from IIS or from site def.
+ if (!g_bNormalizeRequest || (pfc->fIsSecurePort && site.m_sslport.empty()) || (!pfc->fIsSecurePort && site.m_port.empty())) {
+ GetServerVariable("SERVER_PORT",var,10);
+ if (var.empty()) {
+ m_port = pfc->fIsSecurePort ? 443 : 80;
+ }
+ else {
+ m_port = atoi(var);
+ }
+ }
+ else if (pfc->fIsSecurePort) {
+ m_port = atoi(site.m_sslport.c_str());
+ }
+ else {
+ m_port = atoi(site.m_port.c_str());
}
- if (bRequired && s.empty())
- throw ERROR_NO_DATA;
-}
-void GetServerVariable(LPEXTENSION_CONTROL_BLOCK lpECB, LPSTR lpszVariable, dynabuf& s, DWORD size=80, bool bRequired=true)
- throw (bad_alloc, DWORD)
-{
+ // Scheme may come from site def or be derived from IIS.
+ m_scheme=site.m_scheme;
+ if (m_scheme.empty() || !g_bNormalizeRequest)
+ m_scheme=pfc->fIsSecurePort ? "https" : "http";
+
+ GetServerVariable("SERVER_NAME",var,32);
+
+ // Make sure SERVER_NAME is "authorized" for use on this site. If not, or empty, set to canonical name.
+ if (var.empty()) {
+ m_hostname = site.m_name;
+ }
+ else {
+ m_hostname = var;
+ if (site.m_name != m_hostname && site.m_aliases.find(m_hostname) == site.m_aliases.end())
+ m_hostname = site.m_name;
+ }
+
+ if (!g_spoofKey.empty()) {
+ GetHeader("ShibSpoofCheck:", var, 32, false);
+ if (!var.empty() && g_spoofKey == (char*)var)
+ m_firsttime = false;
+ }
+
+ if (!m_firsttime)
+ log(SPDebug, "ISAPI filter running more than once");
+ }
+ ~ShibTargetIsapiF() { }
+
+ const char* getScheme() const {
+ return m_scheme.c_str();
+ }
+ const char* getHostname() const {
+ return m_hostname.c_str();
+ }
+ int getPort() const {
+ return m_port;
+ }
+ const char* getQueryString() const {
+ const char* uri = getRequestURI();
+ uri = (uri ? strchr(uri, '?') : nullptr);
+ return uri ? (uri + 1) : nullptr;
+ }
+ const char* getMethod() const {
+ if (m_method.empty()) {
+ dynabuf var(5);
+ GetServerVariable("HTTP_METHOD",var,5,false);
+ if (!var.empty())
+ m_method = var;
+ }
+ return m_method.c_str();
+ }
+ string getContentType() const {
+ if (m_content_type.empty()) {
+ dynabuf var(32);
+ GetServerVariable("HTTP_CONTENT_TYPE",var,32,false);
+ if (!var.empty())
+ m_content_type = var;
+ }
+ return m_content_type;
+ }
+ string getRemoteAddr() const {
+ m_remote_addr = AbstractSPRequest::getRemoteAddr();
+ if (m_remote_addr.empty()) {
+ dynabuf var(16);
+ GetServerVariable("REMOTE_ADDR",var,16,false);
+ if (!var.empty())
+ m_remote_addr = var;
+ }
+ return m_remote_addr;
+ }
+ void log(SPLogLevel level, const string& msg) const {
+ AbstractSPRequest::log(level,msg);
+ if (level >= SPCrit)
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr, msg.c_str());
+ }
+ string makeSafeHeader(const char* rawname) const {
+ string hdr;
+ for (; *rawname; ++rawname) {
+ if (isalnum(*rawname))
+ hdr += *rawname;
+ }
+ return (hdr + ':');
+ }
+ void clearHeader(const char* rawname, const char* cginame) {
+ if (g_checkSpoofing && m_firsttime) {
+ if (m_allhttp.empty())
+ GetServerVariable( "ALL_HTTP", m_allhttp, 4096, false);
+ if (!m_allhttp.empty()) {
+ string hdr = g_bSafeHeaderNames ? ("HTTP_" + makeSafeHeader(cginame + 5)) : (string(cginame) + ':');
+ if (strstr(m_allhttp, hdr.c_str()))
+ throw opensaml::SecurityPolicyException("Attempt to spoof header ($1) was detected.", params(1, hdr.c_str()));
+ }
+ }
+ if (g_bSafeHeaderNames) {
+ string hdr = makeSafeHeader(rawname);
+ m_pn->SetHeader(m_pfc, const_cast<char*>(hdr.c_str()), const_cast<char*>(g_unsetHeaderValue.c_str()));
+ }
+ else if (!strcmp(rawname,"REMOTE_USER")) {
+ m_pn->SetHeader(m_pfc, "remote-user:", const_cast<char*>(g_unsetHeaderValue.c_str()));
+ m_pn->SetHeader(m_pfc, "remote_user:", const_cast<char*>(g_unsetHeaderValue.c_str()));
+ }
+ else {
+ string hdr = string(rawname) + ':';
+ m_pn->SetHeader(m_pfc, const_cast<char*>(hdr.c_str()), const_cast<char*>(g_unsetHeaderValue.c_str()));
+ }
+ }
+ void setHeader(const char* name, const char* value) {
+ string hdr = g_bSafeHeaderNames ? makeSafeHeader(name) : (string(name) + ':');
+ m_pn->SetHeader(m_pfc, const_cast<char*>(hdr.c_str()), const_cast<char*>(value));
+ }
+ string getSecureHeader(const char* name) const {
+ string hdr = g_bSafeHeaderNames ? makeSafeHeader(name) : (string(name) + ':');
+ dynabuf buf(256);
+ GetHeader(const_cast<char*>(hdr.c_str()), buf, 256, false);
+ return string(buf.empty() ? "" : buf);
+ }
+ string getHeader(const char* name) const {
+ string hdr(name);
+ hdr += ':';
+ dynabuf buf(256);
+ GetHeader(const_cast<char*>(hdr.c_str()), buf, 256, false);
+ return string(buf.empty() ? "" : buf);
+ }
+ void setRemoteUser(const char* user) {
+ setHeader("remote-user", user);
+ if (!user || !*user)
+ m_pfc->pFilterContext = nullptr;
+ else if (m_pfc->pFilterContext = m_pfc->AllocMem(m_pfc, sizeof(char) * (strlen(user) + 1), 0))
+ strcpy(reinterpret_cast<char*>(m_pfc->pFilterContext), user);
+ }
+ string getRemoteUser() const {
+ return getSecureHeader("remote-user");
+ }
+ void setResponseHeader(const char* name, const char* value) {
+ HTTPResponse::setResponseHeader(name, value);
+ if (name) {
+ // Set for later.
+ if (value)
+ m_headers.insert(make_pair(name,value));
+ else
+ m_headers.erase(name);
+ }
+ }
+ long sendResponse(istream& in, long status) {
+ string hdr = string("Connection: close\r\n");
+ for (multimap<string,string>::const_iterator i = m_headers.begin(); i != m_headers.end(); ++i)
+ hdr += i->first + ": " + i->second + "\r\n";
+ hdr += "\r\n";
+ const char* codestr="200 OK";
+ switch (status) {
+ case XMLTOOLING_HTTP_STATUS_NOTMODIFIED: codestr="304 Not Modified"; break;
+ case XMLTOOLING_HTTP_STATUS_UNAUTHORIZED: codestr="401 Authorization Required"; break;
+ case XMLTOOLING_HTTP_STATUS_FORBIDDEN: codestr="403 Forbidden"; break;
+ case XMLTOOLING_HTTP_STATUS_NOTFOUND: codestr="404 Not Found"; break;
+ case XMLTOOLING_HTTP_STATUS_ERROR: codestr="500 Server Error"; break;
+ }
+ m_pfc->ServerSupportFunction(m_pfc, SF_REQ_SEND_RESPONSE_HEADER, (void*)codestr, (ULONG_PTR)hdr.c_str(), 0);
+ char buf[1024];
+ while (in) {
+ in.read(buf,1024);
+ DWORD resplen = in.gcount();
+ m_pfc->WriteClient(m_pfc, buf, &resplen, 0);
+ }
+ return SF_STATUS_REQ_FINISHED;
+ }
+ long sendRedirect(const char* url) {
+ HTTPResponse::sendRedirect(url);
+ string hdr=string("Location: ") + url + "\r\n"
+ "Content-Type: text/html\r\n"
+ "Content-Length: 40\r\n"
+ "Expires: Wed, 01 Jan 1997 12:00:00 GMT\r\n"
+ "Cache-Control: private,no-store,no-cache,max-age=0\r\n";
+ for (multimap<string,string>::const_iterator i = m_headers.begin(); i != m_headers.end(); ++i)
+ hdr += i->first + ": " + i->second + "\r\n";
+ hdr += "\r\n";
+ m_pfc->ServerSupportFunction(m_pfc, SF_REQ_SEND_RESPONSE_HEADER, "302 Please Wait", (ULONG_PTR)hdr.c_str(), 0);
+ static const char* redmsg="<HTML><BODY>Redirecting...</BODY></HTML>";
+ DWORD resplen=40;
+ m_pfc->WriteClient(m_pfc, (LPVOID)redmsg, &resplen, 0);
+ return SF_STATUS_REQ_FINISHED;
+ }
+ long returnDecline() {
+ return SF_STATUS_REQ_NEXT_NOTIFICATION;
+ }
+ long returnOK() {
+ return SF_STATUS_REQ_NEXT_NOTIFICATION;
+ }
+
+ const vector<string>& getClientCertificates() const {
+ return g_NoCerts;
+ }
+
+ // The filter never processes the POST, so stub these methods.
+ long getContentLength() const { throw IOException("The request's Content-Length is not available to an ISAPI filter."); }
+ const char* getRequestBody() const { throw IOException("The request body is not available to an ISAPI filter."); }
+
+ void GetServerVariable(LPSTR lpszVariable, dynabuf& s, DWORD size=80, bool bRequired=true) const {
s.reserve(size);
s.erase();
size=s.size();
- while (lpECB->GetServerVariable(lpECB->ConnID,lpszVariable,s,&size))
- {
+ while (!m_pfc->GetServerVariable(m_pfc,lpszVariable,s,&size)) {
// Grumble. Check the error.
- DWORD e=GetLastError();
- if (e==ERROR_INSUFFICIENT_BUFFER)
+ DWORD e = GetLastError();
+ if (e == ERROR_INSUFFICIENT_BUFFER)
s.reserve(size);
else
break;
}
if (bRequired && s.empty())
- throw ERROR_NO_DATA;
-}
+ log(SPRequest::SPError, string("missing required server variable: ") + lpszVariable);
+ }
-void GetHeader(PHTTP_FILTER_PREPROC_HEADERS pn, PHTTP_FILTER_CONTEXT pfc,
- LPSTR lpszName, dynabuf& s, DWORD size=80, bool bRequired=true)
- throw (bad_alloc, DWORD)
-{
+ void GetHeader(LPSTR lpszName, dynabuf& s, DWORD size=80, bool bRequired=true) const {
s.reserve(size);
s.erase();
size=s.size();
- while (!pn->GetHeader(pfc,lpszName,s,&size))
- {
+ while (!m_pn->GetHeader(m_pfc,lpszName,s,&size)) {
// Grumble. Check the error.
- DWORD e=GetLastError();
- if (e==ERROR_INSUFFICIENT_BUFFER)
+ DWORD e = GetLastError();
+ if (e == ERROR_INSUFFICIENT_BUFFER)
s.reserve(size);
else
break;
}
if (bRequired && s.empty())
- throw ERROR_NO_DATA;
-}
-
-IRequestMapper::Settings map_request(
- PHTTP_FILTER_CONTEXT pfc, PHTTP_FILTER_PREPROC_HEADERS pn, IRequestMapper* mapper, const site_t& site, string& target
- )
-{
- // URL path always come from IIS.
- dynabuf url(256);
- GetHeader(pn,pfc,"url",url,256,false);
-
- // Port may come from IIS or from site def.
- dynabuf port(11);
- if (site.m_port.empty() || !g_bNormalizeRequest)
- GetServerVariable(pfc,"SERVER_PORT",port,10);
- else {
- strncpy(port,site.m_port.c_str(),10);
- static_cast<char*>(port)[10]=0;
- }
-
- // Scheme may come from site def or be derived from IIS.
- const char* scheme=site.m_scheme.c_str();
- if (!scheme || !*scheme || !g_bNormalizeRequest)
- scheme=pfc->fIsSecurePort ? "https" : "http";
-
- // Start with path.
- if (!url.empty())
- target=static_cast<char*>(url);
-
- // If port is non-default, prepend it.
- if ((!strcmp(scheme,"http") && port!="80") || (!strcmp(scheme,"https") && port!="443"))
- target = ':' + static_cast<char*>(port) + target;
-
- if (g_bNormalizeRequest) {
- target = string(scheme) + "://" + site.m_name + target;
- }
- else {
- dynabuf name(64);
- GetServerVariable(pfc,"SERVER_NAME",name,64);
- target = string(scheme) + "://" + static_cast<char*>(name) + target;
- }
- return mapper->getSettingsFromParsedURL(scheme,site.m_name.c_str(),strtoul(port,NULL,10),url);
-}
+ log(SPRequest::SPError, string("missing required header: ") + lpszName);
+ }
+};
DWORD WriteClientError(PHTTP_FILTER_CONTEXT pfc, const char* msg)
{
- LogEvent(NULL, EVENTLOG_ERROR_TYPE, 2100, NULL, msg);
- static const char* ctype="Content-Type: text/html\r\n";
- pfc->AddResponseHeaders(pfc,const_cast<char*>(ctype),0);
- pfc->ServerSupportFunction(pfc,SF_REQ_SEND_RESPONSE_HEADER,"200 OK",0,0);
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr, msg);
+ static const char* ctype="Connection: close\r\nContent-Type: text/html\r\n\r\n";
+ pfc->ServerSupportFunction(pfc,SF_REQ_SEND_RESPONSE_HEADER,"200 OK",(ULONG_PTR)ctype,0);
static const char* xmsg="<HTML><HEAD><TITLE>Shibboleth Filter Error</TITLE></HEAD><BODY>"
"<H1>Shibboleth Filter Error</H1>";
DWORD resplen=strlen(xmsg);
return SF_STATUS_REQ_FINISHED;
}
-DWORD WriteClientError(PHTTP_FILTER_CONTEXT pfc, const IApplication* app, const char* page, ShibMLP& mlp)
+void GetServerVariable(PHTTP_FILTER_CONTEXT pfc, LPSTR lpszVariable, dynabuf& s, DWORD size=80, bool bRequired=true)
{
- const IPropertySet* props=app->getPropertySet("Errors");
- if (props) {
- pair<bool,const char*> p=props->getString(page);
- if (p.first) {
- ifstream infile(p.second);
- if (!infile.fail()) {
- const char* res = mlp.run(infile,props);
- if (res) {
- static const char* ctype="Content-Type: text/html\r\n";
- pfc->AddResponseHeaders(pfc,const_cast<char*>(ctype),0);
- pfc->ServerSupportFunction(pfc,SF_REQ_SEND_RESPONSE_HEADER,"200 OK",0,0);
- DWORD resplen=strlen(res);
- pfc->WriteClient(pfc,(LPVOID)res,&resplen,0);
- return SF_STATUS_REQ_FINISHED;
- }
- }
- }
- }
+ s.reserve(size);
+ s.erase();
+ size=s.size();
- LogEvent(NULL, EVENTLOG_ERROR_TYPE, 2100, NULL, "Filter unable to open error template.");
- return WriteClientError(pfc,"Unable to open error template, check settings.");
+ while (!pfc->GetServerVariable(pfc,lpszVariable,s,&size)) {
+ // Grumble. Check the error.
+ DWORD e=GetLastError();
+ if (e==ERROR_INSUFFICIENT_BUFFER)
+ s.reserve(size);
+ else
+ break;
+ }
+ if (bRequired && s.empty()) {
+ string msg = string("Missing required server variable: ") + lpszVariable;
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr, msg.c_str());
+ }
}
+
extern "C" DWORD WINAPI HttpFilterProc(PHTTP_FILTER_CONTEXT pfc, DWORD notificationType, LPVOID pvNotification)
{
// Is this a log notification?
- if (notificationType==SF_NOTIFY_LOG)
- {
+ if (notificationType == SF_NOTIFY_LOG) {
if (pfc->pFilterContext)
- ((PHTTP_FILTER_LOG)pvNotification)->pszClientUserName=static_cast<LPCSTR>(pfc->pFilterContext);
+ ((PHTTP_FILTER_LOG)pvNotification)->pszClientUserName = reinterpret_cast<char*>(pfc->pFilterContext);
return SF_STATUS_REQ_NEXT_NOTIFICATION;
}
PHTTP_FILTER_PREPROC_HEADERS pn=(PHTTP_FILTER_PREPROC_HEADERS)pvNotification;
- try
- {
+ try {
// Determine web site number. This can't really fail, I don't think.
dynabuf buf(128);
GetServerVariable(pfc,"INSTANCE_ID",buf,10);
+ if (buf.empty())
+ return WriteClientError(pfc, "Shibboleth Filter failed to obtain INSTANCE_ID server variable.");
// Match site instance to host name, skip if no match.
- map<string,site_t>::const_iterator map_i=g_Sites.find(static_cast<char*>(buf));
- if (map_i==g_Sites.end())
- return SF_STATUS_REQ_NEXT_NOTIFICATION;
-
- ostringstream threadid;
- threadid << "[" << getpid() << "] isapi_shib" << '\0';
- saml::NDC ndc(threadid.str().c_str());
-
- // We lock the configuration system for the duration.
- IConfig* conf=g_Config->getINI();
- Locker locker(conf);
-
- // Map request to application and content settings.
- string targeturl;
- IRequestMapper* mapper=conf->getRequestMapper();
- Locker locker2(mapper);
- IRequestMapper::Settings settings=map_request(pfc,pn,mapper,map_i->second,targeturl);
- pair<bool,const char*> application_id=settings.first->getString("applicationId");
- const IApplication* application=conf->getApplication(application_id.second);
- if (!application)
- return WriteClientError(pfc,"Unable to map request to application settings, check configuration.");
-
- // Declare SHIRE object for this request.
- SHIRE shire(application);
-
- const char* shireURL=shire.getShireURL(targeturl.c_str());
- if (!shireURL)
- return WriteClientError(pfc,"Unable to map request to proper shireURL setting, check configuration.");
-
- // If the user is accessing the SHIRE acceptance point, pass it on.
- if (targeturl.find(shireURL)!=string::npos)
+ map<string,site_t>::const_iterator map_i = g_Sites.find(static_cast<char*>(buf));
+ if (map_i == g_Sites.end())
return SF_STATUS_REQ_NEXT_NOTIFICATION;
- // Now check the policy for this request.
- pair<bool,bool> requireSession=settings.first->getBool("requireSession");
- pair<const char*,const char*> shib_cookie=shire.getCookieNameProps();
-
- // Check for session cookie.
- const char* session_id=NULL;
- GetHeader(pn,pfc,"Cookie:",buf,128,false);
- Category::getInstance("isapi_shib.HttpFilterProc").debug("cookie header is {%s}",(const char*)buf);
- if (!buf.empty() && (session_id=strstr(buf,shib_cookie.first))) {
- session_id+=strlen(shib_cookie.first) + 1; /* Skip over the '=' */
- char* cookieend=strchr(session_id,';');
- if (cookieend)
- *cookieend = '\0'; /* Ignore anyting after a ; */
- }
-
- if (!session_id || !*session_id) {
- // If no session required, bail now.
- if (!requireSession.second)
- return SF_STATUS_REQ_NEXT_NOTIFICATION;
-
- // No acceptable cookie, and we require a session. Generate an AuthnRequest.
- string loc("Location: ");
- loc+=shire.getAuthnRequest(targeturl.c_str());
- loc+="\r\n";
- pfc->AddResponseHeaders(pfc,const_cast<char*>(loc.c_str()),0);
- pfc->ServerSupportFunction(pfc,SF_REQ_SEND_RESPONSE_HEADER,"302 Please Wait",0,0);
- return SF_STATUS_REQ_FINISHED;
- }
+ string threadid("[");
+ threadid += lexical_cast<string>(getpid()) + "] isapi_shib";
+ xmltooling::NDC ndc(threadid.c_str());
- // Make sure this session is still valid.
- RPCError* status = NULL;
- ShibMLP markupProcessor;
- markupProcessor.insert("requestURL", targeturl);
-
- dynabuf abuf(16);
- GetServerVariable(pfc,"REMOTE_ADDR",abuf,16);
- try {
- status = shire.sessionIsValid(session_id, abuf);
- }
- catch (ShibTargetException &e) {
- markupProcessor.insert("errorType", "Session Processing Error");
- markupProcessor.insert("errorText", e.what());
- markupProcessor.insert("errorDesc", "An error occurred while processing your request.");
- return WriteClientError(pfc, application, "shire", markupProcessor);
- }
-#ifndef _DEBUG
- catch (...) {
- markupProcessor.insert("errorType", "Session Processing Error");
- markupProcessor.insert("errorText", "Unexpected Exception");
- markupProcessor.insert("errorDesc", "An error occurred while processing your request.");
- return WriteClientError(pfc, application, "shire", markupProcessor);
- }
-#endif
+ ShibTargetIsapiF stf(pfc, pn, map_i->second);
- // Check the status
- if (status->isError()) {
- if (!requireSession.second)
- return SF_STATUS_REQ_NEXT_NOTIFICATION;
- else if (status->isRetryable()) {
- // Oops, session is invalid. Generate AuthnRequest.
- delete status;
- string loc("Location: ");
- loc+=shire.getAuthnRequest(targeturl.c_str());
- loc+="\r\n";
- pfc->AddResponseHeaders(pfc,const_cast<char*>(loc.c_str()),0);
- pfc->ServerSupportFunction(pfc,SF_REQ_SEND_RESPONSE_HEADER,"302 Please Wait",0,0);
- return SF_STATUS_REQ_FINISHED;
- }
- else {
- // return the error page to the user
- markupProcessor.insert(*status);
- delete status;
- return WriteClientError(pfc, application, "shire", markupProcessor);
- }
- }
- delete status;
-
- // Move to RM phase.
- RM rm(application);
- vector<SAMLAssertion*> assertions;
- SAMLAuthenticationStatement* sso_statement=NULL;
-
- try {
- status = rm.getAssertions(session_id, abuf, assertions, &sso_statement);
- }
- catch (ShibTargetException &e) {
- markupProcessor.insert("errorType", "Attribute Processing Error");
- markupProcessor.insert("errorText", e.what());
- markupProcessor.insert("errorDesc", "An error occurred while processing your request.");
- return WriteClientError(pfc, application, "rm", markupProcessor);
- }
- #ifndef _DEBUG
- catch (...) {
- markupProcessor.insert("errorType", "Attribute Processing Error");
- markupProcessor.insert("errorText", "Unexpected Exception");
- markupProcessor.insert("errorDesc", "An error occurred while processing your request.");
- return WriteClientError(pfc, application, "rm", markupProcessor);
- }
- #endif
-
- if (status->isError()) {
- markupProcessor.insert(*status);
- delete status;
- return WriteClientError(pfc, application, "rm", markupProcessor);
- }
- delete status;
-
- // Do we have an access control plugin?
- if (settings.second) {
- Locker acllock(settings.second);
- if (!settings.second->authorized(*sso_statement,assertions)) {
- for (int k = 0; k < assertions.size(); k++)
- delete assertions[k];
- delete sso_statement;
- return WriteClientError(pfc, application, "access", markupProcessor);
- }
- }
+ pair<bool,long> res = stf.getServiceProvider().doAuthentication(stf);
+ if (!g_spoofKey.empty())
+ pn->SetHeader(pfc, "ShibSpoofCheck:", const_cast<char*>(g_spoofKey.c_str()));
+ if (res.first) return res.second;
- // Get the AAP providers, which contain the attribute policy info.
- Iterator<IAAP*> provs=application->getAAPProviders();
-
- // Clear out the list of mapped attributes
- while (provs.hasNext()) {
- IAAP* aap=provs.next();
- aap->lock();
- try {
- Iterator<const IAttributeRule*> rules=aap->getAttributeRules();
- while (rules.hasNext()) {
- const char* header=rules.next()->getHeader();
- if (header) {
- string hname=string(header) + ':';
- pn->SetHeader(pfc,const_cast<char*>(hname.c_str()),"");
- }
- }
- }
- catch(...) {
- aap->unlock();
- for (int k = 0; k < assertions.size(); k++)
- delete assertions[k];
- delete sso_statement;
- markupProcessor.insert("errorType", "Attribute Processing Error");
- markupProcessor.insert("errorText", "Unexpected Exception");
- markupProcessor.insert("errorDesc", "An error occurred while processing your request.");
- return WriteClientError(pfc, application, "rm", markupProcessor);
- }
- aap->unlock();
- }
- provs.reset();
-
- // Maybe export the first assertion.
- pn->SetHeader(pfc,"remote-user:","");
- pn->SetHeader(pfc,"Shib-Attributes:","");
- pair<bool,bool> exp=settings.first->getBool("exportAssertion");
- if (exp.first && exp.second && assertions.size()) {
- string assertion;
- RM::serialize(*(assertions[0]), assertion);
- string::size_type lfeed;
- while ((lfeed=assertion.find('\n'))!=string::npos)
- assertion.erase(lfeed,1);
- pn->SetHeader(pfc,"Shib-Attributes:",const_cast<char*>(assertion.c_str()));
- }
-
- pn->SetHeader(pfc,"Shib-Origin-Site:","");
- pn->SetHeader(pfc,"Shib-Authentication-Method:","");
- pn->SetHeader(pfc,"Shib-NameIdentifier-Format:","");
-
- // Export the SAML AuthnMethod and the origin site name.
- auto_ptr_char os(sso_statement->getSubject()->getNameIdentifier()->getNameQualifier());
- auto_ptr_char am(sso_statement->getAuthMethod());
- pn->SetHeader(pfc,"Shib-Origin-Site:", const_cast<char*>(os.get()));
- pn->SetHeader(pfc,"Shib-Authentication-Method:", const_cast<char*>(am.get()));
-
- // Export NameID?
- AAP wrapper(provs,sso_statement->getSubject()->getNameIdentifier()->getFormat(),Constants::SHIB_ATTRIBUTE_NAMESPACE_URI);
- if (!wrapper.fail() && wrapper->getHeader()) {
- auto_ptr_char form(sso_statement->getSubject()->getNameIdentifier()->getFormat());
- auto_ptr_char nameid(sso_statement->getSubject()->getNameIdentifier()->getName());
- pn->SetHeader(pfc,"Shib-NameIdentifier-Format:",const_cast<char*>(form.get()));
- if (!strcmp(wrapper->getHeader(),"REMOTE_USER")) {
- char* principal=const_cast<char*>(nameid.get());
- pn->SetHeader(pfc,"remote-user:",principal);
- pfc->pFilterContext=pfc->AllocMem(pfc,strlen(principal)+1,0);
- if (pfc->pFilterContext)
- strcpy(static_cast<char*>(pfc->pFilterContext),principal);
- }
- else {
- string hname=string(wrapper->getHeader()) + ':';
- pn->SetHeader(pfc,const_cast<char*>(wrapper->getHeader()),const_cast<char*>(nameid.get()));
- }
- }
+ res = stf.getServiceProvider().doExport(stf);
+ if (res.first) return res.second;
- pn->SetHeader(pfc,"Shib-Application-ID:","");
- pn->SetHeader(pfc,"Shib-Application-ID:",const_cast<char*>(application_id.second));
-
- // Export the attributes.
- Iterator<SAMLAssertion*> a_iter(assertions);
- while (a_iter.hasNext()) {
- SAMLAssertion* assert=a_iter.next();
- Iterator<SAMLStatement*> statements=assert->getStatements();
- while (statements.hasNext()) {
- SAMLAttributeStatement* astate=dynamic_cast<SAMLAttributeStatement*>(statements.next());
- if (!astate)
- continue;
- Iterator<SAMLAttribute*> attrs=astate->getAttributes();
- while (attrs.hasNext()) {
- SAMLAttribute* attr=attrs.next();
-
- // Are we supposed to export it?
- AAP wrapper(provs,attr->getName(),attr->getNamespace());
- if (wrapper.fail() || !wrapper->getHeader())
- continue;
-
- Iterator<string> vals=attr->getSingleByteValues();
- if (!strcmp(wrapper->getHeader(),"REMOTE_USER") && vals.hasNext()) {
- char* principal=const_cast<char*>(vals.next().c_str());
- pn->SetHeader(pfc,"remote-user:",principal);
- pfc->pFilterContext=pfc->AllocMem(pfc,strlen(principal)+1,0);
- if (pfc->pFilterContext)
- strcpy(static_cast<char*>(pfc->pFilterContext),principal);
- }
- else {
- int it=0;
- string header;
- string hname=string(wrapper->getHeader()) + ':';
- GetHeader(pn,pfc,const_cast<char*>(hname.c_str()),buf,256,false);
- if (!buf.empty()) {
- header=buf;
- it++;
- }
- for (; vals.hasNext(); it++) {
- string value = vals.next();
- for (string::size_type pos = value.find_first_of(";", string::size_type(0));
- pos != string::npos;
- pos = value.find_first_of(";", pos)) {
- value.insert(pos, "\\");
- pos += 2;
- }
- if (it == 0)
- header=value;
- else
- header=header + ';' + value;
- }
- pn->SetHeader(pfc,const_cast<char*>(hname.c_str()),const_cast<char*>(header.c_str()));
- }
- }
- }
- }
-
- // clean up memory
- for (int k = 0; k < assertions.size(); k++)
- delete assertions[k];
- delete sso_statement;
+ res = stf.getServiceProvider().doAuthorization(stf);
+ if (res.first) return res.second;
return SF_STATUS_REQ_NEXT_NOTIFICATION;
}
catch(bad_alloc) {
- return WriteClientError(pfc,"Out of Memory");
+ return WriteClientError(pfc, "Out of Memory");
}
- catch(DWORD e) {
+ catch(long e) {
if (e==ERROR_NO_DATA)
- return WriteClientError(pfc,"A required variable or header was empty.");
+ return WriteClientError(pfc, "A required variable or header was empty.");
else
- return WriteClientError(pfc,"Server detected unexpected IIS error.");
+ return WriteClientError(pfc, "Shibboleth Filter detected unexpected IIS error.");
+ }
+ catch (std::exception& e) {
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr, e.what());
+ return WriteClientError(pfc, "Shibboleth Filter caught an exception, check Event Log for details.");
}
-#ifndef _DEBUG
catch(...) {
- return WriteClientError(pfc,"Server caught an unknown exception.");
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr, "Shibboleth Filter threw an unknown exception.");
+ if (g_catchAll)
+ return WriteClientError(pfc, "Shibboleth Filter threw an unknown exception.");
+ throw;
}
-#endif
- return WriteClientError(pfc,"Server reached unreachable code, save my walrus!");
+ return WriteClientError(pfc, "Shibboleth Filter reached unreachable code, save my walrus!");
}
-IRequestMapper::Settings map_request(
- LPEXTENSION_CONTROL_BLOCK lpECB, IRequestMapper* mapper, const site_t& site, string& target
- )
-{
- dynabuf ssl(5);
- GetServerVariable(lpECB,"HTTPS",ssl,5);
- bool SSL=(ssl=="on");
-
- // URL path always come from IIS.
- dynabuf url(256);
- GetServerVariable(lpECB,"URL",url,255);
-
- // Port may come from IIS or from site def.
- dynabuf port(11);
- if (site.m_port.empty() || !g_bNormalizeRequest)
- GetServerVariable(lpECB,"SERVER_PORT",port,10);
- else {
- strncpy(port,site.m_port.c_str(),10);
- static_cast<char*>(port)[10]=0;
- }
- // Scheme may come from site def or be derived from IIS.
- const char* scheme=site.m_scheme.c_str();
- if (!scheme || !*scheme || !g_bNormalizeRequest)
- scheme=lpECB->lpszMethod;
-
- // Start with path.
- if (!url.empty())
- target=static_cast<char*>(url);
-
- // If port is non-default, prepend it.
- if ((!strcmp(scheme,"http") && port!="80") || (!strcmp(scheme,"https") && port!="443"))
- target = ':' + static_cast<char*>(port) + target;
-
- if (g_bNormalizeRequest) {
- target = string(scheme) + "://" + site.m_name + target;
- }
- else {
- dynabuf name(64);
- GetServerVariable(lpECB,"SERVER_NAME",name,64);
- target = string(scheme) + "://" + static_cast<char*>(name) + target;
- }
- return mapper->getSettingsFromParsedURL(scheme,site.m_name.c_str(),strtoul(port,NULL,10),url);
-}
+/****************************************************************************/
+// ISAPI Extension
DWORD WriteClientError(LPEXTENSION_CONTROL_BLOCK lpECB, const char* msg)
{
- LogEvent(NULL, EVENTLOG_ERROR_TYPE, 2100, NULL, msg);
- static const char* ctype="Content-Type: text/html\r\n";
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr, msg);
+ static const char* ctype="Connection: close\r\nContent-Type: text/html\r\n\r\n";
lpECB->ServerSupportFunction(lpECB->ConnID,HSE_REQ_SEND_RESPONSE_HEADER,"200 OK",0,(LPDWORD)ctype);
static const char* xmsg="<HTML><HEAD><TITLE>Shibboleth Error</TITLE></HEAD><BODY><H1>Shibboleth Error</H1>";
DWORD resplen=strlen(xmsg);
return HSE_STATUS_SUCCESS;
}
-DWORD WriteClientError(LPEXTENSION_CONTROL_BLOCK lpECB, const IApplication* app, const char* page, ShibMLP& mlp)
+
+class ShibTargetIsapiE : public AbstractSPRequest
{
- const IPropertySet* props=app->getPropertySet("Errors");
- if (props) {
- pair<bool,const char*> p=props->getString(page);
- if (p.first) {
- ifstream infile(p.second);
- if (!infile.fail()) {
- const char* res = mlp.run(infile,props);
- if (res) {
- static const char* ctype="Content-Type: text/html\r\n";
- lpECB->ServerSupportFunction(lpECB->ConnID,HSE_REQ_SEND_RESPONSE_HEADER,"200 OK",0,(LPDWORD)ctype);
- DWORD resplen=strlen(res);
- lpECB->WriteClient(lpECB->ConnID,(LPVOID)res,&resplen,0);
- return HSE_STATUS_SUCCESS;
- }
+ LPEXTENSION_CONTROL_BLOCK m_lpECB;
+ multimap<string,string> m_headers;
+ mutable vector<string> m_certs;
+ mutable string m_body;
+ mutable bool m_gotBody;
+ int m_port;
+ string m_scheme,m_hostname,m_uri;
+ mutable string m_remote_addr,m_remote_user;
+
+public:
+ ShibTargetIsapiE(LPEXTENSION_CONTROL_BLOCK lpECB, const site_t& site)
+ : AbstractSPRequest(SHIBSP_LOGCAT ".ISAPI"), m_lpECB(lpECB), m_gotBody(false) {
+ dynabuf ssl(5);
+ GetServerVariable("HTTPS",ssl,5);
+ bool SSL=(ssl=="on" || ssl=="ON");
+
+ // Scheme may come from site def or be derived from IIS.
+ m_scheme = site.m_scheme;
+ if (m_scheme.empty() || !g_bNormalizeRequest)
+ m_scheme = SSL ? "https" : "http";
+
+ // URL path always come from IIS.
+ dynabuf url(256);
+ GetServerVariable("URL",url,255);
+
+ // Port may come from IIS or from site def.
+ if (!g_bNormalizeRequest || (SSL && site.m_sslport.empty()) || (!SSL && site.m_port.empty())) {
+ dynabuf port(11);
+ GetServerVariable("SERVER_PORT",port,10);
+ if (port.empty()) {
+ m_port = SSL ? 443 : 80;
+ }
+ else {
+ m_port = atoi(port);
+ }
+ }
+ else if (SSL) {
+ m_port = atoi(site.m_sslport.c_str());
+ }
+ else {
+ m_port = atoi(site.m_port.c_str());
+ }
+
+ dynabuf var(32);
+ GetServerVariable("SERVER_NAME", var, 32);
+ if (var.empty()) {
+ m_hostname = site.m_name;
+ }
+ else {
+ // Make sure SERVER_NAME is "authorized" for use on this site. If not, set to canonical name.
+ m_hostname=var;
+ if (site.m_name != m_hostname && site.m_aliases.find(m_hostname) == site.m_aliases.end())
+ m_hostname = site.m_name;
+ }
+
+ /*
+ * IIS screws us over on PATH_INFO (the hits keep on coming). We need to figure out if
+ * the server is set up for proper PATH_INFO handling, or "IIS sucks rabid weasels mode",
+ * which is the default. No perfect way to tell, but we can take a good guess by checking
+ * whether the URL is a substring of the PATH_INFO:
+ *
+ * e.g. for /Shibboleth.sso/SAML/POST
+ *
+ * Bad mode (default):
+ * URL: /Shibboleth.sso
+ * PathInfo: /Shibboleth.sso/SAML/POST
+ *
+ * Good mode:
+ * URL: /Shibboleth.sso
+ * PathInfo: /SAML/POST
+ */
+
+ string uri;
+
+ // Clearly we're only in bad mode if path info exists at all.
+ if (lpECB->lpszPathInfo && *(lpECB->lpszPathInfo)) {
+ if (strstr(lpECB->lpszPathInfo,url))
+ // Pretty good chance we're in bad mode, unless the PathInfo repeats the path itself.
+ uri = lpECB->lpszPathInfo;
+ else {
+ if (!url.empty())
+ uri = url;
+ uri += lpECB->lpszPathInfo;
+ }
+ }
+ else if (!url.empty()) {
+ uri = url;
+ }
+
+ // For consistency with Apache, let's add the query string.
+ if (lpECB->lpszQueryString && *(lpECB->lpszQueryString)) {
+ uri += '?';
+ uri += lpECB->lpszQueryString;
+ }
+
+ setRequestURI(uri.c_str());
+ }
+ ~ShibTargetIsapiE() {}
+
+ const char* getScheme() const {
+ return m_scheme.c_str();
+ }
+ const char* getHostname() const {
+ return m_hostname.c_str();
+ }
+ int getPort() const {
+ return m_port;
+ }
+ const char* getMethod() const {
+ return m_lpECB->lpszMethod;
+ }
+ string getContentType() const {
+ return m_lpECB->lpszContentType ? m_lpECB->lpszContentType : "";
+ }
+ long getContentLength() const {
+ return m_lpECB->cbTotalBytes;
+ }
+ string getRemoteUser() const {
+ if (m_remote_user.empty()) {
+ dynabuf var(16);
+ GetServerVariable("REMOTE_USER", var, 32, false);
+ if (!var.empty())
+ m_remote_user = var;
+ }
+ return m_remote_user;
+ }
+ string getRemoteAddr() const {
+ m_remote_addr = AbstractSPRequest::getRemoteAddr();
+ if (m_remote_addr.empty()) {
+ dynabuf var(16);
+ GetServerVariable("REMOTE_ADDR", var, 16, false);
+ if (!var.empty())
+ m_remote_addr = var;
+ }
+ return m_remote_addr;
+ }
+ void log(SPLogLevel level, const string& msg) const {
+ AbstractSPRequest::log(level,msg);
+ if (level >= SPCrit)
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr, msg.c_str());
+ }
+ string getHeader(const char* name) const {
+ string hdr("HTTP_");
+ for (; *name; ++name) {
+ if (*name == '-')
+ hdr += '_';
+ else
+ hdr += toupper(*name);
+ }
+ dynabuf buf(128);
+ GetServerVariable(const_cast<char*>(hdr.c_str()), buf, 128, false);
+ return buf.empty() ? "" : buf;
+ }
+ void setResponseHeader(const char* name, const char* value) {
+ HTTPResponse::setResponseHeader(name, value);
+ if (name) {
+ // Set for later.
+ if (value)
+ m_headers.insert(make_pair(name,value));
+ else
+ m_headers.erase(name);
+ }
+ }
+ const char* getQueryString() const {
+ return m_lpECB->lpszQueryString;
+ }
+ const char* getRequestBody() const {
+ if (m_gotBody)
+ return m_body.c_str();
+ if (m_lpECB->cbTotalBytes > 1024*1024) // 1MB?
+ throw opensaml::SecurityPolicyException("Size of request body exceeded 1M size limit.");
+ else if (m_lpECB->cbTotalBytes > m_lpECB->cbAvailable) {
+ m_gotBody=true;
+ DWORD datalen=m_lpECB->cbTotalBytes;
+ if (m_lpECB->cbAvailable > 0) {
+ m_body.assign(reinterpret_cast<char*>(m_lpECB->lpbData),m_lpECB->cbAvailable);
+ datalen-=m_lpECB->cbAvailable;
+ }
+ char buf[8192];
+ while (datalen) {
+ DWORD buflen=8192;
+ BOOL ret = m_lpECB->ReadClient(m_lpECB->ConnID, buf, &buflen);
+ if (!ret) {
+ char message[65];
+ _snprintf(message, 64, "Error reading request body from browser (%x).", GetLastError());
+ throw IOException(message);
+ }
+ else if (!buflen)
+ throw IOException("Socket closed while reading request body from browser.");
+ m_body.append(buf, buflen);
+ datalen-=buflen;
+ }
+ }
+ else if (m_lpECB->cbAvailable) {
+ m_gotBody=true;
+ m_body.assign(reinterpret_cast<char*>(m_lpECB->lpbData),m_lpECB->cbAvailable);
+ }
+ return m_body.c_str();
+ }
+ long sendResponse(istream& in, long status) {
+ string hdr = string("Connection: close\r\n");
+ for (multimap<string,string>::const_iterator i = m_headers.begin(); i != m_headers.end(); ++i)
+ hdr += i->first + ": " + i->second + "\r\n";
+ hdr += "\r\n";
+ const char* codestr="200 OK";
+ switch (status) {
+ case XMLTOOLING_HTTP_STATUS_NOTMODIFIED: codestr="304 Not Modified"; break;
+ case XMLTOOLING_HTTP_STATUS_UNAUTHORIZED: codestr="401 Authorization Required"; break;
+ case XMLTOOLING_HTTP_STATUS_FORBIDDEN: codestr="403 Forbidden"; break;
+ case XMLTOOLING_HTTP_STATUS_NOTFOUND: codestr="404 Not Found"; break;
+ case XMLTOOLING_HTTP_STATUS_ERROR: codestr="500 Server Error"; break;
+ }
+ m_lpECB->ServerSupportFunction(m_lpECB->ConnID, HSE_REQ_SEND_RESPONSE_HEADER, (void*)codestr, 0, (LPDWORD)hdr.c_str());
+ char buf[1024];
+ while (in) {
+ in.read(buf,1024);
+ DWORD resplen = in.gcount();
+ m_lpECB->WriteClient(m_lpECB->ConnID, buf, &resplen, HSE_IO_SYNC);
+ }
+ return HSE_STATUS_SUCCESS;
+ }
+ long sendRedirect(const char* url) {
+ HTTPResponse::sendRedirect(url);
+ string hdr=string("Location: ") + url + "\r\n"
+ "Content-Type: text/html\r\n"
+ "Content-Length: 40\r\n"
+ "Expires: Wed, 01 Jan 1997 12:00:00 GMT\r\n"
+ "Cache-Control: private,no-store,no-cache,max-age=0\r\n";
+ for (multimap<string,string>::const_iterator i = m_headers.begin(); i != m_headers.end(); ++i)
+ hdr += i->first + ": " + i->second + "\r\n";
+ hdr += "\r\n";
+ m_lpECB->ServerSupportFunction(m_lpECB->ConnID, HSE_REQ_SEND_RESPONSE_HEADER, "302 Moved", 0, (LPDWORD)hdr.c_str());
+ static const char* redmsg="<HTML><BODY>Redirecting...</BODY></HTML>";
+ DWORD resplen=40;
+ m_lpECB->WriteClient(m_lpECB->ConnID, (LPVOID)redmsg, &resplen, HSE_IO_SYNC);
+ return HSE_STATUS_SUCCESS;
+ }
+ // Decline happens in the POST processor if this isn't the handler url
+ // Note that it can also happen with HTAccess, but we don't support that, yet.
+ long returnDecline() {
+ return WriteClientError(
+ m_lpECB,
+ "ISAPI extension can only be invoked to process Shibboleth protocol requests."
+ "Make sure the mapped file extension doesn't match actual content."
+ );
+ }
+ long returnOK() {
+ return HSE_STATUS_SUCCESS;
+ }
+
+ const vector<string>& getClientCertificates() const {
+ if (m_certs.empty()) {
+ char CertificateBuf[8192];
+ CERT_CONTEXT_EX ccex;
+ ccex.cbAllocated = sizeof(CertificateBuf);
+ ccex.CertContext.pbCertEncoded = (BYTE*)CertificateBuf;
+ DWORD dwSize = sizeof(ccex);
+
+ if (m_lpECB->ServerSupportFunction(m_lpECB->ConnID, HSE_REQ_GET_CERT_INFO_EX, (LPVOID)&ccex, (LPDWORD)dwSize, nullptr)) {
+ if (ccex.CertContext.cbCertEncoded) {
+ xsecsize_t outlen;
+ XMLByte* serialized = Base64::encode(reinterpret_cast<XMLByte*>(CertificateBuf), ccex.CertContext.cbCertEncoded, &outlen);
+ m_certs.push_back(reinterpret_cast<char*>(serialized));
+#ifdef SHIBSP_XERCESC_HAS_XMLBYTE_RELEASE
+ XMLString::release(&serialized);
+#else
+ XMLString::release((char**)&serialized);
+#endif
}
}
+ }
+ return m_certs;
+ }
+
+ // Not used in the extension.
+ void clearHeader(const char* rawname, const char* cginame) { throw runtime_error("clearHeader not implemented"); }
+ void setHeader(const char* name, const char* value) { throw runtime_error("setHeader not implemented"); }
+ void setRemoteUser(const char* user) { throw runtime_error("setRemoteUser not implemented"); }
+
+ void GetServerVariable(LPSTR lpszVariable, dynabuf& s, DWORD size=80, bool bRequired=true) const {
+ s.reserve(size);
+ s.erase();
+ size=s.size();
+
+ while (!m_lpECB->GetServerVariable(m_lpECB->ConnID,lpszVariable,s,&size)) {
+ // Grumble. Check the error.
+ DWORD e=GetLastError();
+ if (e==ERROR_INSUFFICIENT_BUFFER)
+ s.reserve(size);
+ else
+ break;
+ }
+ if (bRequired && s.empty())
+ log(SPRequest::SPError, string("missing required server variable: ") + lpszVariable);
+ }
+};
+
+void GetServerVariable(LPEXTENSION_CONTROL_BLOCK lpECB, LPSTR lpszVariable, dynabuf& s, DWORD size=80, bool bRequired=true)
+{
+ s.reserve(size);
+ s.erase();
+ size=s.size();
+
+ while (!lpECB->GetServerVariable(lpECB->ConnID,lpszVariable,s,&size)) {
+ // Grumble. Check the error.
+ DWORD e=GetLastError();
+ if (e==ERROR_INSUFFICIENT_BUFFER)
+ s.reserve(size);
+ else
+ break;
+ }
+ if (bRequired && s.empty()) {
+ string msg = string("Missing required server variable: ") + lpszVariable;
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr, msg.c_str());
}
- LogEvent(NULL, EVENTLOG_ERROR_TYPE, 2100, NULL, "Extension unable to open error template.");
- return WriteClientError(lpECB,"Unable to open error template, check settings.");
}
extern "C" DWORD WINAPI HttpExtensionProc(LPEXTENSION_CONTROL_BLOCK lpECB)
{
- string targeturl;
- const IApplication* application=NULL;
- try
- {
- ostringstream threadid;
- threadid << "[" << getpid() << "] shire_handler" << '\0';
- saml::NDC ndc(threadid.str().c_str());
+ try {
+ string threadid("[");
+ threadid += lexical_cast<string>(getpid()) + "] isapi_shib_extension";
+ xmltooling::NDC ndc(threadid.c_str());
// Determine web site number. This can't really fail, I don't think.
dynabuf buf(128);
GetServerVariable(lpECB,"INSTANCE_ID",buf,10);
+ if (buf.empty())
+ return WriteClientError(lpECB, "Shibboleth Extension failed to obtain INSTANCE_ID server variable.");
// Match site instance to host name, skip if no match.
- map<string,site_t>::const_iterator map_i=g_Sites.find(static_cast<char*>(buf));
- if (map_i==g_Sites.end())
- return WriteClientError(lpECB,"Shibboleth filter not configured for this web site.");
-
- // We lock the configuration system for the duration.
- IConfig* conf=g_Config->getINI();
- Locker locker(conf);
-
- // Map request to application and content settings.
- string targeturl;
- IRequestMapper* mapper=conf->getRequestMapper();
- Locker locker2(mapper);
- IRequestMapper::Settings settings=map_request(lpECB,mapper,map_i->second,targeturl);
- pair<bool,const char*> application_id=settings.first->getString("applicationId");
- application=conf->getApplication(application_id.second);
- const IPropertySet* sessionProps=application ? application->getPropertySet("Sessions") : NULL;
- if (!application || !sessionProps)
- return WriteClientError(lpECB,"Unable to map request to application session settings, check configuration.");
-
- SHIRE shire(application);
-
- const char* shireURL=shire.getShireURL(targeturl.c_str());
- if (!shireURL)
- return WriteClientError(lpECB,"Unable to map request to proper shireURL setting, check configuration.");
-
- // Make sure we only process the SHIRE requests.
- if (!strstr(targeturl.c_str(),shireURL))
- return WriteClientError(lpECB,"The request's application and associated shireURL setting are inconsistent.");;
-
- pair<const char*,const char*> shib_cookie=shire.getCookieNameProps();
-
- // Make sure this is SSL, if it should be
- pair<bool,bool> shireSSL=sessionProps->getBool("shireSSL");
- if (!shireSSL.first || shireSSL.second) {
- GetServerVariable(lpECB,"HTTPS",buf,10);
- if (buf!="on")
- throw ShibTargetException(SHIBRPC_OK,"blocked non-SSL access to SHIRE POST processor");
- }
-
- // If this is a GET, we manufacture an AuthnRequest.
- if (!stricmp(lpECB->lpszMethod,"GET")) {
- const char* areq=lpECB->lpszQueryString ? shire.getLazyAuthnRequest(lpECB->lpszQueryString) : NULL;
- if (!areq)
- throw ShibTargetException(SHIBRPC_OK, "malformed arguments to request a new session");
- targeturl = string("Location: ") + areq + "\r\n"
- "Expires: 01-Jan-1997 12:00:00 GMT\r\n"
- "Cache-Control: private,no-store,no-cache\r\n"
- "Connection: close\r\n";
- HSE_SEND_HEADER_EX_INFO hinfo;
- hinfo.pszStatus="302 Moved";
- hinfo.pszHeader=targeturl.c_str();
- hinfo.cchStatus=9;
- hinfo.cchHeader=targeturl.length();
- hinfo.fKeepConn=FALSE;
- if (lpECB->ServerSupportFunction(lpECB->ConnID,HSE_REQ_SEND_RESPONSE_HEADER_EX,&hinfo,0,0))
- return HSE_STATUS_SUCCESS;
- return HSE_STATUS_ERROR;
- }
- else if (stricmp(lpECB->lpszMethod,"POST"))
- throw ShibTargetException(SHIBRPC_OK,"blocked non-POST to SHIRE POST processor");
-
- // Sure sure this POST is an appropriate content type
- if (!lpECB->lpszContentType || stricmp(lpECB->lpszContentType,"application/x-www-form-urlencoded"))
- throw ShibTargetException(SHIBRPC_OK,"blocked bad content-type to SHIRE POST processor");
-
- // Read the data.
- pair<const char*,const char*> elements=pair<const char*,const char*>(NULL,NULL);
- if (lpECB->cbTotalBytes > 1024*1024) // 1MB?
- throw ShibTargetException(SHIBRPC_OK,"blocked too-large a post to SHIRE POST processor");
- else if (lpECB->cbTotalBytes!=lpECB->cbAvailable) {
- string cgistr;
- char buf[8192];
- DWORD datalen=lpECB->cbTotalBytes;
- while (datalen) {
- DWORD buflen=8192;
- BOOL ret=lpECB->ReadClient(lpECB->ConnID,buf,&buflen);
- if (!ret || !buflen)
- throw ShibTargetException(SHIBRPC_OK,"error reading POST data from browser");
- cgistr.append(buf,buflen);
- datalen-=buflen;
- }
- elements=shire.getFormSubmission(cgistr.c_str(),cgistr.length());
- }
- else
- elements=shire.getFormSubmission(reinterpret_cast<char*>(lpECB->lpbData),lpECB->cbAvailable);
-
- // Make sure the SAML Response parameter exists
- if (!elements.first || !*elements.first)
- throw ShibTargetException(SHIBRPC_OK, "SHIRE POST failed to find SAMLResponse form element");
-
- // Make sure the target parameter exists
- if (!elements.second || !*elements.second)
- throw ShibTargetException(SHIBRPC_OK, "SHIRE POST failed to find TARGET form element");
-
- GetServerVariable(lpECB,"REMOTE_ADDR",buf,16);
-
- // Process the post.
- string cookie;
- RPCError* status=NULL;
- ShibMLP markupProcessor;
- markupProcessor.insert("requestURL", targeturl.c_str());
- try {
- status = shire.sessionCreate(elements.first,buf,cookie);
- }
- catch (ShibTargetException &e) {
- markupProcessor.insert("errorType", "Session Creation Service Error");
- markupProcessor.insert("errorText", e.what());
- markupProcessor.insert("errorDesc", "An error occurred while processing your request.");
- return WriteClientError(lpECB, application, "shire", markupProcessor);
- }
-#ifndef _DEBUG
- catch (...) {
- markupProcessor.insert("errorType", "Session Creation Service Error");
- markupProcessor.insert("errorText", "Unexpected Exception");
- markupProcessor.insert("errorDesc", "An error occurred while processing your request.");
- return WriteClientError(lpECB, application, "shire", markupProcessor);
- }
-#endif
+ map<string,site_t>::const_iterator map_i = g_Sites.find(static_cast<char*>(buf));
+ if (map_i == g_Sites.end())
+ return WriteClientError(lpECB, "Shibboleth Extension not configured for web site (check ISAPI mappings in SP configuration).");
+
+ ShibTargetIsapiE ste(lpECB, map_i->second);
+ pair<bool,long> res = ste.getServiceProvider().doHandler(ste);
+ if (res.first) return res.second;
+
+ return WriteClientError(lpECB, "Shibboleth Extension failed to process request");
- if (status->isError()) {
- if (status->isRetryable()) {
- delete status;
- const char* loc=shire.getAuthnRequest(elements.second);
- DWORD len=strlen(loc);
- if (lpECB->ServerSupportFunction(lpECB->ConnID,HSE_REQ_SEND_URL_REDIRECT_RESP,(LPVOID)loc,&len,0))
- return HSE_STATUS_SUCCESS;
- return HSE_STATUS_ERROR;
- }
-
- // Return this error to the user.
- markupProcessor.insert(*status);
- delete status;
- return WriteClientError(lpECB,application,"shire",markupProcessor);
- }
- delete status;
-
- // We've got a good session, set the cookie and redirect to target.
- cookie = string("Set-Cookie: ") + shib_cookie.first + '=' + cookie + shib_cookie.second + "\r\n"
- "Location: " + elements.second + "\r\n"
- "Expires: 01-Jan-1997 12:00:00 GMT\r\n"
- "Cache-Control: private,no-store,no-cache\r\n"
- "Connection: close\r\n";
- HSE_SEND_HEADER_EX_INFO hinfo;
- hinfo.pszStatus="302 Moved";
- hinfo.pszHeader=cookie.c_str();
- hinfo.cchStatus=9;
- hinfo.cchHeader=cookie.length();
- hinfo.fKeepConn=FALSE;
- if (lpECB->ServerSupportFunction(lpECB->ConnID,HSE_REQ_SEND_RESPONSE_HEADER_EX,&hinfo,0,0))
- return HSE_STATUS_SUCCESS;
}
- catch (ShibTargetException &e) {
- if (application) {
- ShibMLP markupProcessor;
- markupProcessor.insert("requestURL", targeturl.c_str());
- markupProcessor.insert("errorType", "Session Creation Service Error");
- markupProcessor.insert("errorText", e.what());
- markupProcessor.insert("errorDesc", "An error occurred while processing your request.");
- return WriteClientError(lpECB,application,"shire",markupProcessor);
- }
+ catch(bad_alloc) {
+ return WriteClientError(lpECB, "Out of Memory");
}
-#ifndef _DEBUG
- catch (...) {
- if (application) {
- ShibMLP markupProcessor;
- markupProcessor.insert("requestURL", targeturl.c_str());
- markupProcessor.insert("errorType", "Session Creation Service Error");
- markupProcessor.insert("errorText", "Unexpected Exception");
- markupProcessor.insert("errorDesc", "An error occurred while processing your request.");
- return WriteClientError(lpECB,application,"shire",markupProcessor);
- }
+ catch(long e) {
+ if (e==ERROR_NO_DATA)
+ return WriteClientError(lpECB, "A required variable or header was empty.");
+ else
+ return WriteClientError(lpECB, "Server detected unexpected IIS error.");
}
-#endif
-
+ catch (std::exception& e) {
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr, e.what());
+ return WriteClientError(lpECB, "Shibboleth Extension caught an exception, check Event Log for details.");
+ }
+ catch(...) {
+ LogEvent(nullptr, EVENTLOG_ERROR_TYPE, 2100, nullptr, "Shibboleth Extension threw an unknown exception.");
+ if (g_catchAll)
+ return WriteClientError(lpECB, "Shibboleth Extension threw an unknown exception.");
+ throw;
+ }
+
+ // If we get here we've got an error.
return HSE_STATUS_ERROR;
}
projects / shibboleth / cpp-sp.git / blobdiff