extern "C" module MODULE_VAR_EXPORT mod_shib;
namespace {
- char* g_szSHIBConfig = SHIBSP_CONFIG;
- char* g_szSchemaDir = SHIBSP_SCHEMAS;
+ char* g_szSHIBConfig = NULL;
+ char* g_szSchemaDir = NULL;
+ char* g_szPrefix = NULL;
SPConfig* g_Config = NULL;
string g_unsetHeaderValue;
bool g_checkSpoofing = true;
+ bool g_catchAll = false;
static const char* g_UserDataKey = "_shib_check_user_";
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);
// per-dir module configuration structure
struct shib_dir_config
{
+ SH_AP_TABLE* tSettings; // generic table of extensible settings
+
// RM Configuration
char* szAuthGrpFile; // Auth GroupFile name
- int bRequireAll; // all require directives must match, otherwise OR logic
+ int bRequireAll; // all "known" require directives must match, otherwise OR logic
+ int bAuthoritative; // allow htaccess plugin to DECLINE when authz fails
// Content Configuration
char* szApplicationId; // Shib applicationId value
int bBasicHijack; // activate for AuthType Basic?
int bRequireSession; // require a session?
int bExportAssertion; // export SAML assertion to the environment?
- int bUseEnvVars; // use environment instead of headers?
+ int bUseEnvVars; // use environment?
+ int bUseHeaders; // use headers?
};
// creates per-directory config structure
extern "C" void* create_shib_dir_config (SH_AP_POOL* p, char* d)
{
shib_dir_config* dc=(shib_dir_config*)ap_pcalloc(p,sizeof(shib_dir_config));
+ dc->tSettings = NULL;
+ dc->szAuthGrpFile = NULL;
+ dc->bRequireAll = -1;
+ dc->bAuthoritative = -1;
+ dc->szApplicationId = NULL;
+ dc->szRequireWith = NULL;
+ dc->szRedirectToSSL = NULL;
dc->bOff = -1;
dc->bBasicHijack = -1;
dc->bRequireSession = -1;
dc->bExportAssertion = -1;
- dc->bRequireAll = -1;
- dc->szRedirectToSSL = NULL;
- dc->szAuthGrpFile = NULL;
- dc->szApplicationId = NULL;
- dc->szRequireWith = NULL;
dc->bUseEnvVars = -1;
+ dc->bUseHeaders = -1;
return dc;
}
shib_dir_config* parent=(shib_dir_config*)base;
shib_dir_config* child=(shib_dir_config*)sub;
+ // The child supersedes any matching table settings in the parent.
+ dc->tSettings = NULL;
+ if (parent->tSettings)
+ dc->tSettings = ap_copy_table(p, parent->tSettings);
+ if (child->tSettings) {
+ if (dc->tSettings)
+ ap_overlap_tables(dc->tSettings, child->tSettings, AP_OVERLAP_TABLES_SET);
+ else
+ dc->tSettings = ap_copy_table(p, child->tSettings);
+ }
+
if (child->szAuthGrpFile)
dc->szAuthGrpFile=ap_pstrdup(p,child->szAuthGrpFile);
else if (parent->szAuthGrpFile)
dc->bRequireSession=((child->bRequireSession==-1) ? parent->bRequireSession : child->bRequireSession);
dc->bExportAssertion=((child->bExportAssertion==-1) ? parent->bExportAssertion : child->bExportAssertion);
dc->bRequireAll=((child->bRequireAll==-1) ? parent->bRequireAll : child->bRequireAll);
+ dc->bAuthoritative=((child->bAuthoritative==-1) ? parent->bAuthoritative : child->bAuthoritative);
dc->bUseEnvVars=((child->bUseEnvVars==-1) ? parent->bUseEnvVars : child->bUseEnvVars);
+ dc->bUseHeaders=((child->bUseHeaders==-1) ? parent->bUseHeaders : child->bUseHeaders);
return dc;
}
return DECLINE_CMD;
}
+extern "C" const char* shib_table_set(cmd_parms* parms, shib_dir_config* dc, const char* arg1, const char* arg2)
+{
+ if (!dc->tSettings)
+ dc->tSettings = ap_make_table(parms->pool, 4);
+ ap_table_set(dc->tSettings, arg1, arg2);
+ return NULL;
+}
+
/********************************************************************************/
// Apache ShibTarget subclass(es) here.
shib_server_config* m_sc;
shib_request_config* m_rc;
- ShibTargetApache(request_rec* req, bool handler) : m_handler(handler), m_gotBody(false) {
+ ShibTargetApache(request_rec* req, bool handler) : AbstractSPRequest(SHIBSP_LOGCAT".Apache"), m_handler(handler), m_gotBody(false) {
m_sc = (shib_server_config*)ap_get_module_config(req->server->module_config, &mod_shib);
m_dc = (shib_dir_config*)ap_get_module_config(req->per_dir_config, &mod_shib);
m_rc = (shib_request_config*)ap_get_module_config(req->request_config, &mod_shib);
m_req = req;
+
+ setRequestURI(m_req->unparsed_uri);
}
virtual ~ShibTargetApache() {}
int getPort() const {
return ap_get_server_port(m_req);
}
- const char* getRequestURI() const {
- return m_req->unparsed_uri;
- }
const char* getMethod() const {
return m_req->method;
}
return m_body.c_str();
}
void clearHeader(const char* rawname, const char* cginame) {
- if (m_dc->bUseEnvVars!=0) {
- // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_clear_header: env\n");
- if (m_rc && m_rc->env) ap_table_unset(m_rc->env, rawname);
- } else {
+ if (m_dc->bUseHeaders == 1) {
// ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_clear_header: hdr\n");
if (g_checkSpoofing && ap_is_initial_req(m_req)) {
if (m_allhttp.empty()) {
}
}
void setHeader(const char* name, const char* value) {
- if (m_dc->bUseEnvVars!=0) {
+ if (m_dc->bUseEnvVars != 0) {
if (!m_rc) {
// this happens on subrequests
// ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_setheader: no_m_rc\n");
m_rc = init_request_config(m_req);
}
- if (!m_rc->env) m_rc->env = ap_make_table(m_req->pool, 10);
+ if (!m_rc->env)
+ m_rc->env = ap_make_table(m_req->pool, 10);
// ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_set_env: %s=%s\n", name, value?value:"Null");
- ap_table_set(m_rc->env, name, value?value:"");
+ ap_table_set(m_rc->env, name, value ? value : "");
}
- else {
+ if (m_dc->bUseHeaders == 1)
ap_table_set(m_req->headers_in, name, value);
- }
}
string getHeader(const char* name) const {
const char* hdr = ap_table_get(m_req->headers_in, name);
return string(hdr ? hdr : "");
}
string getSecureHeader(const char* name) const {
- if (m_dc->bUseEnvVars!=0) {
+ if (m_dc->bUseEnvVars != 0) {
const char *hdr;
if (m_rc && m_rc->env)
hdr = ap_table_get(m_rc->env, name);
in.read(buf,1024);
ap_rwrite(buf,in.gcount(),m_req);
}
- if (status!=XMLTOOLING_HTTP_STATUS_OK)
+ if (status != XMLTOOLING_HTTP_STATUS_OK) {
m_req->status = status;
+ if (status != XMLTOOLING_HTTP_STATUS_ERROR)
+ return status;
+ }
return DONE;
}
long sendRedirect(const char* url) {
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_check_user threw an exception: %s", e.what());
return SERVER_ERROR;
}
-#ifndef _DEBUG
catch (...) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_check_user threw an uncaught exception!");
- return SERVER_ERROR;
+ ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_check_user threw an unknown exception!");
+ if (g_catchAll)
+ return SERVER_ERROR;
+ throw;
}
-#endif
}
extern "C" int shib_handler(request_rec* r)
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_handler threw an exception: %s", e.what());
return SERVER_ERROR;
}
-#ifndef _DEBUG
catch (...) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_handler threw an uncaught exception!");
- return SERVER_ERROR;
+ ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_handler threw an unknown exception!");
+ if (g_catchAll)
+ return SERVER_ERROR;
+ throw;
}
-#endif
}
/*
pair<bool,long> res = sta.getServiceProvider().doAuthorization(sta);
if (res.first) return res.second;
- // We're all okay.
- return OK;
+ // The SP method should always return true, so if we get this far, something unusual happened.
+ // Just let Apache (or some other module) decide what to do.
+ return DECLINED;
}
catch (exception& e) {
ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_auth_checker threw an exception: %s", e.what());
return SERVER_ERROR;
}
-#ifndef _DEBUG
catch (...) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_auth_checker threw an uncaught exception!");
- return SERVER_ERROR;
+ ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_auth_checker threw an unknown exception!");
+ if (g_catchAll)
+ return SERVER_ERROR;
+ throw;
}
-#endif
}
// Access control plugin that enforces htaccess rules
~htAccessControl() {}
Lockable* lock() {return this;}
void unlock() {}
- bool authorized(const SPRequest& request, const Session* session) const;
+ aclresult_t authorized(const SPRequest& request, const Session* session) const;
private:
bool checkAttribute(const SPRequest& request, const Attribute* attr, const char* toMatch, RegularExpression* re) const;
};
~ApacheRequestMapper() { delete m_mapper; delete m_htaccess; delete m_staKey; delete m_propsKey; }
Lockable* lock() { return m_mapper->lock(); }
void unlock() { m_staKey->setData(NULL); m_propsKey->setData(NULL); m_mapper->unlock(); }
- Settings getSettings(const SPRequest& request) const;
+ Settings getSettings(const HTTPRequest& request) const;
const PropertySet* getParent() const { return NULL; }
void setParent(const PropertySet*) {}
pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=NULL) const;
pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const;
pair<bool,int> getInt(const char* name, const char* ns=NULL) const;
+ void getAll(map<string,const char*>& properties) const;
const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:2.0:native:sp:config") const;
const xercesc::DOMElement* getElement() const;
m_propsKey=ThreadKey::create(NULL);
}
-RequestMapper::Settings ApacheRequestMapper::getSettings(const SPRequest& request) const
+RequestMapper::Settings ApacheRequestMapper::getSettings(const HTTPRequest& request) const
{
Settings s=m_mapper->getSettings(request);
m_staKey->setData((void*)dynamic_cast<const ShibTargetApache*>(&request));
const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
if (sta && !ns) {
// Override Apache-settable boolean properties.
- if (name && !strcmp(name,"requireSession") && sta->m_dc->bRequireSession==1)
- return make_pair(true,true);
- else if (name && !strcmp(name,"exportAssertion") && sta->m_dc->bExportAssertion==1)
- return make_pair(true,true);
+ if (name && !strcmp(name,"requireSession") && sta->m_dc->bRequireSession != -1)
+ return make_pair(true, sta->m_dc->bRequireSession==1);
+ else if (name && !strcmp(name,"exportAssertion") && sta->m_dc->bExportAssertion != -1)
+ return make_pair(true, sta->m_dc->bExportAssertion==1);
+ else if (sta->m_dc->tSettings) {
+ const char* prop = ap_table_get(sta->m_dc->tSettings, name);
+ if (prop)
+ return make_pair(true, !strcmp(prop, "true") || !strcmp(prop, "1") || !strcmp(prop, "On"));
+ }
}
return s ? s->getBool(name,ns) : make_pair(false,false);
}
return pair<bool,const char*>(true,sta->m_dc->szRequireWith);
else if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
return pair<bool,const char*>(true,sta->m_dc->szRedirectToSSL);
+ else if (sta->m_dc->tSettings) {
+ const char* prop = ap_table_get(sta->m_dc->tSettings, name);
+ if (prop)
+ return make_pair(true, prop);
+ }
}
return s ? s->getString(name,ns) : pair<bool,const char*>(false,NULL);
}
if (sta && !ns) {
// Override Apache-settable int properties.
if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
- return pair<bool,unsigned int>(true,strtol(sta->m_dc->szRedirectToSSL,NULL,10));
+ return pair<bool,unsigned int>(true, strtol(sta->m_dc->szRedirectToSSL, NULL, 10));
+ else if (sta->m_dc->tSettings) {
+ const char* prop = ap_table_get(sta->m_dc->tSettings, name);
+ if (prop)
+ return pair<bool,unsigned int>(true, atoi(prop));
+ }
}
return s ? s->getUnsignedInt(name,ns) : pair<bool,unsigned int>(false,0);
}
// Override Apache-settable int properties.
if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
return pair<bool,int>(true,atoi(sta->m_dc->szRedirectToSSL));
+ else if (sta->m_dc->tSettings) {
+ const char* prop = ap_table_get(sta->m_dc->tSettings, name);
+ if (prop)
+ return make_pair(true, atoi(prop));
+ }
}
return s ? s->getInt(name,ns) : pair<bool,int>(false,0);
}
+void ApacheRequestMapper::getAll(map<string,const char*>& properties) const
+{
+ const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
+ const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
+
+ if (s)
+ s->getAll(properties);
+ if (!sta)
+ return;
+
+ const char* auth_type=ap_auth_type(sta->m_req);
+ if (auth_type) {
+ // Check for Basic Hijack
+ if (!strcasecmp(auth_type, "basic") && sta->m_dc->bBasicHijack == 1)
+ auth_type = "shibboleth";
+ properties["authType"] = auth_type;
+ }
+
+ if (sta->m_dc->szApplicationId)
+ properties["applicationId"] = sta->m_dc->szApplicationId;
+ if (sta->m_dc->szRequireWith)
+ properties["requireSessionWith"] = sta->m_dc->szRequireWith;
+ if (sta->m_dc->szRedirectToSSL)
+ properties["redirectToSSL"] = sta->m_dc->szRedirectToSSL;
+ if (sta->m_dc->bRequireSession != 0)
+ properties["requireSession"] = (sta->m_dc->bRequireSession==1) ? "true" : "false";
+ if (sta->m_dc->bExportAssertion != 0)
+ properties["exportAssertion"] = (sta->m_dc->bExportAssertion==1) ? "true" : "false";
+}
+
const PropertySet* ApacheRequestMapper::getPropertySet(const char* name, const char* ns) const
{
const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
const vector<string>& vals = attr->getSerializedValues();
for (vector<string>::const_iterator v=vals.begin(); v!=vals.end(); ++v) {
if (re) {
- auto_ptr<XMLCh> trans(fromUTF8(v->c_str()));
+ auto_arrayptr<XMLCh> trans(fromUTF8(v->c_str()));
if (re->matches(trans.get())) {
- request.log(SPRequest::SPDebug,
- string("htAccessControl plugin expecting regexp ") + toMatch + ", got " + *v + ": authorization granted"
- );
+ if (request.isPriorityEnabled(SPRequest::SPDebug))
+ request.log(SPRequest::SPDebug, string("htaccess: expecting regexp ") + toMatch + ", got " + *v + ": acccepted");
return true;
}
}
else if ((caseSensitive && *v == toMatch) || (!caseSensitive && !strcasecmp(v->c_str(), toMatch))) {
- request.log(SPRequest::SPDebug,
- string("htAccessControl plugin expecting ") + toMatch + ", got " + *v + ": authorization granted."
- );
+ if (request.isPriorityEnabled(SPRequest::SPDebug))
+ request.log(SPRequest::SPDebug, string("htaccess: expecting ") + toMatch + ", got " + *v + ": accepted");
return true;
}
- else {
- request.log(SPRequest::SPDebug,
- string("htAccessControl plugin expecting ") + toMatch + ", got " + *v + ": authorization not granted."
- );
+ else if (request.isPriorityEnabled(SPRequest::SPDebug)) {
+ request.log(SPRequest::SPDebug, string("htaccess: expecting ") + toMatch + ", got " + *v + ": rejected");
}
}
return false;
}
-bool htAccessControl::authorized(const SPRequest& request, const Session* session) const
+AccessControl::aclresult_t htAccessControl::authorized(const SPRequest& request, const Session* session) const
{
// Make sure the object is our type.
const ShibTargetApache* sta=dynamic_cast<const ShibTargetApache*>(&request);
const array_header* reqs_arr=ap_requires(sta->m_req);
if (!reqs_arr)
- return true;
+ return shib_acl_indeterminate; // should never happen
require_line* reqs=(require_line*)reqs_arr->elts;
-
- ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(sta->m_req),"REQUIRE nelts: %d", reqs_arr->nelts);
- ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(sta->m_req),"REQUIRE all: %d", sta->m_dc->bRequireAll);
-
- vector<bool> auth_OK(reqs_arr->nelts,false);
-
-#define SHIB_AP_CHECK_IS_OK { \
- if (sta->m_dc->bRequireAll < 1) \
- return true; \
- auth_OK[x] = true; \
- continue; \
-}
for (int x=0; x<reqs_arr->nelts; x++) {
- auth_OK[x] = false;
+ // This rule should be completely ignored, the method doesn't fit.
+ // The rule just doesn't exist for our purposes.
if (!(reqs[x].method_mask & (1 << m)))
continue;
- method_restricted=true;
+
+ method_restricted=true; // this lets us know at the end that at least one rule was potentially enforcable.
+
+ // Tracks status of this rule's evaluation.
+ bool status = false;
+
string remote_user = request.getRemoteUser();
t = reqs[x].requirement;
if (!strcasecmp(w,"shibboleth")) {
// This is a dummy rule needed because Apache conflates authn and authz.
// Without some require rule, AuthType is ignored and no check_user hooks run.
- SHIB_AP_CHECK_IS_OK;
+ status = true; // treat it as an "accepted" rule
}
- else if (!strcmp(w,"valid-user")) {
- if (session) {
- request.log(SPRequest::SPDebug,"htAccessControl plugin accepting valid-user based on active session");
- SHIB_AP_CHECK_IS_OK;
- }
- else
- request.log(SPRequest::SPError,"htAccessControl plugin rejecting access for valid-user rule, no session is active");
+ else if (!strcmp(w,"valid-user") && session) {
+ request.log(SPRequest::SPDebug, "htaccess: accepting valid-user based on active session");
+ status = true;
}
else if (!strcmp(w,"user") && !remote_user.empty()) {
- bool regexp=false;
+ bool regexp=false,negate=false;
while (*t) {
w=ap_getword_conf(sta->m_req->pool,&t);
if (*w=='~') {
regexp=true;
continue;
}
-
+ else if (*w=='!') {
+ negate=true;
+ if (*(w+1)=='~')
+ regexp=true;
+ continue;
+ }
+
+ // Figure out if there's a match.
+ bool match = false;
if (regexp) {
try {
// To do regex matching, we have to convert from UTF-8.
- auto_ptr<XMLCh> trans(fromUTF8(w));
+ auto_arrayptr<XMLCh> trans(fromUTF8(w));
RegularExpression re(trans.get());
- auto_ptr<XMLCh> trans2(fromUTF8(remote_user.c_str()));
- if (re.matches(trans2.get())) {
- request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting user (") + w + ")");
- SHIB_AP_CHECK_IS_OK;
- }
+ auto_arrayptr<XMLCh> trans2(fromUTF8(remote_user.c_str()));
+ match = re.matches(trans2.get());
}
catch (XMLException& ex) {
auto_ptr_char tmp(ex.getMessage());
request.log(SPRequest::SPError,
- string("htAccessControl plugin caught exception while parsing regular expression (") + w + "): " + tmp.get());
+ string("htaccess plugin caught exception while parsing regular expression (") + w + "): " + tmp.get());
}
}
else if (remote_user==w) {
- request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting user (") + w + ")");
- SHIB_AP_CHECK_IS_OK;
+ match = true;
+ }
+
+ if (match) {
+ // If we matched, then we're done with this rule either way and status is set to reflect the outcome.
+ status = !negate;
+ if (request.isPriorityEnabled(SPRequest::SPDebug))
+ request.log(SPRequest::SPDebug,
+ string("htaccess: require user ") + (negate ? "rejecting (" : "accepting (") + remote_user + ")");
+ break;
}
}
}
- else if (!strcmp(w,"group")) {
+ else if (!strcmp(w,"group") && !remote_user.empty()) {
SH_AP_TABLE* grpstatus=NULL;
- if (sta->m_dc->szAuthGrpFile && !remote_user.empty()) {
- request.log(SPRequest::SPDebug,string("htAccessControl plugin using groups file: ") + sta->m_dc->szAuthGrpFile);
+ if (sta->m_dc->szAuthGrpFile) {
+ if (request.isPriorityEnabled(SPRequest::SPDebug))
+ request.log(SPRequest::SPDebug,string("htaccess plugin using groups file: ") + sta->m_dc->szAuthGrpFile);
grpstatus=groups_for_user(sta->m_req,remote_user.c_str(),sta->m_dc->szAuthGrpFile);
}
- if (!grpstatus)
- continue;
+ bool negate=false;
while (*t) {
w=ap_getword_conf(sta->m_req->pool,&t);
- if (ap_table_get(grpstatus,w)) {
- request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting group (") + w + ")");
- SHIB_AP_CHECK_IS_OK;
+ if (*w=='!') {
+ negate=true;
+ continue;
+ }
+
+ if (grpstatus && ap_table_get(grpstatus,w)) {
+ // If we matched, then we're done with this rule either way and status is set to reflect the outcome.
+ status = !negate;
+ request.log(SPRequest::SPDebug, string("htaccess: require group ") + (negate ? "rejecting (" : "accepting (") + w + ")");
+ break;
}
}
}
- else {
- // Map alias in rule to the attribute.
- if (!session) {
- request.log(SPRequest::SPError, "htAccessControl plugin not given a valid session to evaluate, are you using lazy sessions?");
- continue;
+ else if (!strcmp(w,"authnContextClassRef") || !strcmp(w,"authnContextDeclRef")) {
+ const char* ref = !strcmp(w,"authnContextClassRef") ? session->getAuthnContextClassRef() : session->getAuthnContextDeclRef();
+ bool regexp=false,negate=false;
+ while (ref && *t) {
+ w=ap_getword_conf(sta->m_req->pool,&t);
+ if (*w=='~') {
+ regexp=true;
+ continue;
+ }
+ else if (*w=='!') {
+ negate=true;
+ if (*(w+1)=='~')
+ regexp=true;
+ continue;
+ }
+
+ // Figure out if there's a match.
+ bool match = false;
+ if (regexp) {
+ try {
+ // To do regex matching, we have to convert from UTF-8.
+ RegularExpression re(w);
+ match = re.matches(ref);
+ }
+ catch (XMLException& ex) {
+ auto_ptr_char tmp(ex.getMessage());
+ request.log(SPRequest::SPError,
+ string("htaccess plugin caught exception while parsing regular expression (") + w + "): " + tmp.get());
+ }
+ }
+ else if (!strcmp(w,ref)) {
+ match = true;
+ }
+
+ if (match) {
+ // If we matched, then we're done with this rule either way and status is set to reflect the outcome.
+ status = !negate;
+ if (request.isPriorityEnabled(SPRequest::SPDebug))
+ request.log(SPRequest::SPDebug,
+ string("htaccess: require authnContext ") + (negate ? "rejecting (" : "accepting (") + ref + ")");
+ break;
+ }
}
-
+ }
+ else if (!session) {
+ request.log(SPRequest::SPError, string("htaccess: require ") + w + " not given a valid session, are you using lazy sessions?");
+ }
+ else {
// Find the attribute(s) matching the require rule.
- pair<multimap<string,Attribute*>::const_iterator,multimap<string,Attribute*>::const_iterator> attrs =
- session->getAttributes().equal_range(w);
- if (attrs.first == attrs.second) {
- request.log(SPRequest::SPWarn, string("htAccessControl rule requires attribute (") + w + "), not found in session");
- continue;
- }
+ pair<multimap<string,const Attribute*>::const_iterator,multimap<string,const Attribute*>::const_iterator> attrs =
+ session->getIndexedAttributes().equal_range(w);
bool regexp=false;
-
- while (!auth_OK[x] && *t) {
+ while (!status && attrs.first!=attrs.second && *t) {
w=ap_getword_conf(sta->m_req->pool,&t);
if (*w=='~') {
regexp=true;
auto_ptr<RegularExpression> re;
if (regexp) {
delete re.release();
- auto_ptr<XMLCh> trans(fromUTF8(w));
+ auto_arrayptr<XMLCh> trans(fromUTF8(w));
auto_ptr<xercesc::RegularExpression> temp(new xercesc::RegularExpression(trans.get()));
re=temp;
}
- for (; !auth_OK[x] && attrs.first!=attrs.second; ++attrs.first) {
+ for (; !status && attrs.first!=attrs.second; ++attrs.first) {
if (checkAttribute(request, attrs.first->second, w, regexp ? re.get() : NULL)) {
- SHIB_AP_CHECK_IS_OK;
+ status = true;
}
}
}
catch (XMLException& ex) {
auto_ptr_char tmp(ex.getMessage());
request.log(SPRequest::SPError,
- string("htAccessControl plugin caught exception while parsing regular expression (") + w + "): " + tmp.get()
+ string("htaccess plugin caught exception while parsing regular expression (") + w + "): " + tmp.get()
);
}
}
}
+
+ // If status is false, we found a rule we couldn't satisfy.
+ // Could be an unknown rule to us, or it just didn't match.
+
+ if (status && sta->m_dc->bRequireAll != 1) {
+ // If we're not insisting that all rules be met, then we're done.
+ request.log(SPRequest::SPDebug, "htaccess: a rule was successful, granting access");
+ return shib_acl_true;
+ }
+ else if (!status && sta->m_dc->bRequireAll == 1) {
+ // If we're insisting that all rules be met, which is not something Apache really handles well,
+ // then we either return false or indeterminate based on the authoritative option, which defaults on.
+ if (sta->m_dc->bAuthoritative != 0) {
+ request.log(SPRequest::SPDebug, "htaccess: a rule was unsuccessful, denying access");
+ return shib_acl_false;
+ }
+
+ request.log(SPRequest::SPDebug, "htaccess: a rule was unsuccessful but not authoritative, leaving it up to Apache");
+ return shib_acl_indeterminate;
+ }
+
+ // Otherwise, we keep going. If we're requring all, then we have to check every rule.
+ // If not we just didn't find a successful rule yet, so we keep going anyway.
}
- // check if all require directives are true
- bool auth_all_OK = true;
- for (int i= 0; i<reqs_arr->nelts; i++) {
- auth_all_OK &= auth_OK[i];
+ // If we get here, we either "failed" or we're in require all mode (but not both).
+ // If no rules possibly apply or we insisted that all rules check out, then we're good.
+ if (!method_restricted) {
+ request.log(SPRequest::SPDebug, "htaccess: no rules applied to this request method, granting access");
+ return shib_acl_true;
+ }
+ else if (sta->m_dc->bRequireAll == 1) {
+ request.log(SPRequest::SPDebug, "htaccess: all rules successful, granting access");
+ return shib_acl_true;
+ }
+ else if (sta->m_dc->bAuthoritative != 0) {
+ request.log(SPRequest::SPDebug, "htaccess: no rules were successful, denying access");
+ return shib_acl_false;
}
- if (auth_all_OK || !method_restricted)
- return true;
- return false;
+ request.log(SPRequest::SPDebug, "htaccess: no rules were successful but not authoritative, leaving it up to Apache");
+ return shib_acl_indeterminate;
}
{
shib_request_config* rc = init_request_config(r);
- ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_post_read: E=%s", rc->env?"env":"hdr");
+ ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_post_read");
#ifdef SHIB_DEFERRED_HEADERS
rc->hdr_out = ap_make_table(r->pool, 5);
SPConfig::Caching |
SPConfig::RequestMapping |
SPConfig::InProcess |
- SPConfig::Logging
+ SPConfig::Logging |
+ SPConfig::Handlers
);
- if (!g_Config->init(g_szSchemaDir)) {
+ if (!g_Config->init(g_szSchemaDir, g_szPrefix)) {
ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to initialize libraries");
exit(1);
}
g_Config->AccessControlManager.registerFactory(HT_ACCESS_CONTROL,&htAccessFactory);
g_Config->RequestMapperManager.registerFactory(NATIVE_REQUEST_MAPPER,&ApacheRequestMapFactory);
+
+ if (!g_szSHIBConfig)
+ g_szSHIBConfig=getenv("SHIBSP_CONFIG");
+ if (!g_szSHIBConfig)
+ g_szSHIBConfig=SHIBSP_CONFIG;
try {
xercesc::DOMDocument* dummydoc=XMLToolingConfig::getConfig().getParser().newDocument();
pair<bool,const char*> unsetValue=props->getString("unsetHeaderValue");
if (unsetValue.first)
g_unsetHeaderValue = unsetValue.second;
- pair<bool,bool> checkSpoofing=props->getBool("checkSpoofing");
- if (checkSpoofing.first && !checkSpoofing.second)
- g_checkSpoofing = false;
+ pair<bool,bool> flag=props->getBool("checkSpoofing");
+ g_checkSpoofing = !flag.first || flag.second;
+ flag=props->getBool("catchAll");
+ g_catchAll = flag.first && flag.second;
}
// Set the cleanup handler
// SHIB Module commands
static command_rec shire_cmds[] = {
+ {"ShibPrefix", (config_fn_t)ap_set_global_string_slot, &g_szPrefix,
+ RSRC_CONF, TAKE1, "Shibboleth installation directory"},
{"ShibConfig", (config_fn_t)ap_set_global_string_slot, &g_szSHIBConfig,
RSRC_CONF, TAKE1, "Path to shibboleth.xml config file"},
{"ShibCatalogs", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
(void *) XtOffsetOf (shib_server_config, szScheme),
RSRC_CONF, TAKE1, "URL scheme to force into generated URLs for a vhost"},
+ {"ShibRequestSetting", (config_fn_t)shib_table_set, NULL,
+ OR_AUTHCFG, TAKE2, "Set arbitrary Shibboleth request property for content"},
+
{"ShibDisable", (config_fn_t)ap_set_flag_slot,
(void *) XtOffsetOf (shib_dir_config, bOff),
OR_AUTHCFG, FLAG, "Disable all Shib module activity here to save processing effort"},
{"ShibRequireAll", (config_fn_t)ap_set_flag_slot,
(void *) XtOffsetOf (shib_dir_config, bRequireAll),
OR_AUTHCFG, FLAG, "All require directives must match"},
+ {"AuthzShibAuthoritative", (config_fn_t)ap_set_flag_slot,
+ (void *) XtOffsetOf (shib_dir_config, bAuthoritative),
+ OR_AUTHCFG, FLAG, "Allow failed mod_shib htaccess authorization to fall through to other modules"},
{"ShibUseEnvironment", (config_fn_t)ap_set_flag_slot,
(void *) XtOffsetOf (shib_dir_config, bUseEnvVars),
- OR_AUTHCFG, FLAG, "Export data in environment instead of headers (default)"},
+ OR_AUTHCFG, FLAG, "Export attributes using environment variables (default)"},
+ {"ShibUseHeaders", (config_fn_t)ap_set_flag_slot,
+ (void *) XtOffsetOf (shib_dir_config, bUseHeaders),
+ OR_AUTHCFG, FLAG, "Export attributes using custom HTTP headers"},
{NULL}
};
extern "C" {
static command_rec shib_cmds[] = {
- AP_INIT_TAKE1("ShibConfig",
- (config_fn_t)ap_set_global_string_slot, &g_szSHIBConfig,
- RSRC_CONF, "Path to shibboleth.xml config file"),
- AP_INIT_TAKE1("ShibCatalogs",
- (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
- RSRC_CONF, "Paths of XML schema catalogs"),
- AP_INIT_TAKE1("ShibSchemaDir",
- (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
- RSRC_CONF, "Paths of XML schema catalogs (deprecated in favor of ShibCatalogs)"),
-
- AP_INIT_TAKE1("ShibURLScheme",
- (config_fn_t)shib_set_server_string_slot,
- (void *) offsetof (shib_server_config, szScheme),
- RSRC_CONF, "URL scheme to force into generated URLs for a vhost"),
-
- AP_INIT_FLAG("ShibDisable", (config_fn_t)ap_set_flag_slot,
+ AP_INIT_TAKE1("ShibPrefix", (config_fn_t)ap_set_global_string_slot, &g_szPrefix,
+ RSRC_CONF, "Shibboleth installation directory"),
+ AP_INIT_TAKE1("ShibConfig", (config_fn_t)ap_set_global_string_slot, &g_szSHIBConfig,
+ RSRC_CONF, "Path to shibboleth.xml config file"),
+ AP_INIT_TAKE1("ShibCatalogs", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
+ RSRC_CONF, "Paths of XML schema catalogs"),
+ AP_INIT_TAKE1("ShibSchemaDir", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
+ RSRC_CONF, "Paths of XML schema catalogs (deprecated in favor of ShibCatalogs)"),
+
+ AP_INIT_TAKE1("ShibURLScheme", (config_fn_t)shib_set_server_string_slot,
+ (void *) offsetof (shib_server_config, szScheme),
+ RSRC_CONF, "URL scheme to force into generated URLs for a vhost"),
+
+ AP_INIT_TAKE2("ShibRequestSetting", (config_fn_t)shib_table_set, NULL,
+ OR_AUTHCFG, "Set arbitrary Shibboleth request property for content"),
+
+ AP_INIT_FLAG("ShibDisable", (config_fn_t)ap_set_flag_slot,
(void *) offsetof (shib_dir_config, bOff),
OR_AUTHCFG, "Disable all Shib module activity here to save processing effort"),
- AP_INIT_TAKE1("ShibApplicationId", (config_fn_t)ap_set_string_slot,
+ AP_INIT_TAKE1("ShibApplicationId", (config_fn_t)ap_set_string_slot,
(void *) offsetof (shib_dir_config, szApplicationId),
OR_AUTHCFG, "Set Shibboleth applicationId property for content"),
- AP_INIT_FLAG("ShibBasicHijack", (config_fn_t)ap_set_flag_slot,
+ AP_INIT_FLAG("ShibBasicHijack", (config_fn_t)ap_set_flag_slot,
(void *) offsetof (shib_dir_config, bBasicHijack),
OR_AUTHCFG, "Respond to AuthType Basic and convert to shibboleth"),
- AP_INIT_FLAG("ShibRequireSession", (config_fn_t)ap_set_flag_slot,
+ AP_INIT_FLAG("ShibRequireSession", (config_fn_t)ap_set_flag_slot,
(void *) offsetof (shib_dir_config, bRequireSession),
OR_AUTHCFG, "Initiates a new session if one does not exist"),
- AP_INIT_TAKE1("ShibRequireSessionWith", (config_fn_t)ap_set_string_slot,
+ AP_INIT_TAKE1("ShibRequireSessionWith", (config_fn_t)ap_set_string_slot,
(void *) offsetof (shib_dir_config, szRequireWith),
OR_AUTHCFG, "Initiates a new session if one does not exist using a specific SessionInitiator"),
- AP_INIT_FLAG("ShibExportAssertion", (config_fn_t)ap_set_flag_slot,
+ AP_INIT_FLAG("ShibExportAssertion", (config_fn_t)ap_set_flag_slot,
(void *) offsetof (shib_dir_config, bExportAssertion),
OR_AUTHCFG, "Export SAML attribute assertion(s) to Shib-Attributes header"),
- AP_INIT_TAKE1("ShibRedirectToSSL", (config_fn_t)ap_set_string_slot,
+ AP_INIT_TAKE1("ShibRedirectToSSL", (config_fn_t)ap_set_string_slot,
(void *) offsetof (shib_dir_config, szRedirectToSSL),
OR_AUTHCFG, "Redirect non-SSL requests to designated port"),
- AP_INIT_TAKE1("AuthGroupFile", (config_fn_t)shib_ap_set_file_slot,
+ AP_INIT_TAKE1("AuthGroupFile", (config_fn_t)shib_ap_set_file_slot,
(void *) offsetof (shib_dir_config, szAuthGrpFile),
OR_AUTHCFG, "Text file containing group names and member user IDs"),
- AP_INIT_FLAG("ShibRequireAll", (config_fn_t)ap_set_flag_slot,
+ AP_INIT_FLAG("ShibRequireAll", (config_fn_t)ap_set_flag_slot,
(void *) offsetof (shib_dir_config, bRequireAll),
OR_AUTHCFG, "All require directives must match"),
- AP_INIT_FLAG("ShibUseEnvironment", (config_fn_t)ap_set_flag_slot,
+ AP_INIT_FLAG("AuthzShibAuthoritative", (config_fn_t)ap_set_flag_slot,
+ (void *) offsetof (shib_dir_config, bAuthoritative),
+ OR_AUTHCFG, "Allow failed mod_shib htaccess authorization to fall through to other modules"),
+ AP_INIT_FLAG("ShibUseEnvironment", (config_fn_t)ap_set_flag_slot,
(void *) offsetof (shib_dir_config, bUseEnvVars),
- OR_AUTHCFG, "Export data in environment instead of headers (default)"),
+ OR_AUTHCFG, "Export attributes using environment variables (default)"),
+ AP_INIT_FLAG("ShibUseHeaders", (config_fn_t)ap_set_flag_slot,
+ (void *) offsetof (shib_dir_config, bUseHeaders),
+ OR_AUTHCFG, "Export attributes using custom HTTP headers"),
- {NULL}
+ {NULL}
};
module AP_MODULE_DECLARE_DATA mod_shib = {