-rw-r--r-- | lib/Makefile.am | 3 | ||||
-rw-r--r-- | lib/consumer.cc | 16 | ||||
-rw-r--r-- | lib/extension.cc | 15 | ||||
-rw-r--r-- | lib/server.cc | 14 |
4 files changed, 35 insertions, 13 deletions
diff --git a/lib/Makefile.am b/lib/Makefile.am index 6f3f9f3..69c749e 100644 --- a/lib/Makefile.am +++ b/lib/Makefile.am @@ -12,13 +12,14 @@ LDADD = \ ${PCREPP_LIBS} \ ${MIMETIC_LIBS} \ ${OPENSSL_LIBS} \ ${KONFORKA_LIBS} libopkele_la_SOURCES = \ params.cc \ util.cc \ server.cc \ secret.cc \ data.cc \ consumer.cc \ - exception.cc + exception.cc \ + extension.cc diff --git a/lib/consumer.cc b/lib/consumer.cc index bb6358c..10c2fa0 100644 --- a/lib/consumer.cc +++ b/lib/consumer.cc @@ -114,81 +114,84 @@ namespace opkele { secret.enxor_from_base64(key_sha1,p.get_param("enc_mac_key")); } int expires_in = 0; if(p.has_param("expires_in")) { expires_in = util::string_to_long(p.get_param("expires_in")); }else if(p.has_param("issued") && p.has_param("expiry")) { expires_in = util::w3c_to_time(p.get_param("expiry"))-util::w3c_to_time(p.get_param("issued")); }else throw bad_input(OPKELE_CP_ "no expiration information"); return store_assoc(server,p.get_param("assoc_handle"),secret,expires_in); } - string consumer_t::checkid_immediate(const string& identity,const string& return_to,const string& trust_root) { - return checkid_(mode_checkid_immediate,identity,return_to,trust_root); + string consumer_t::checkid_immediate(const string& identity,const string& return_to,const string& trust_root,extension_t *ext) { + return checkid_(mode_checkid_immediate,identity,return_to,trust_root,ext); } - string consumer_t::checkid_setup(const string& identity,const string& return_to,const string& trust_root) { - return checkid_(mode_checkid_setup,identity,return_to,trust_root); + string consumer_t::checkid_setup(const string& identity,const string& return_to,const string& trust_root,extension_t *ext) { + return checkid_(mode_checkid_setup,identity,return_to,trust_root,ext); } - string consumer_t::checkid_(mode_t mode,const string& identity,const string& return_to,const string& trust_root) { + string consumer_t::checkid_(mode_t mode,const string& identity,const string& return_to,const string& trust_root,extension_t *ext) { params_t p; if(mode==mode_checkid_immediate) p["mode"]="checkid_immediate"; else if(mode==mode_checkid_setup) p["mode"]="checkid_setup"; else throw bad_input(OPKELE_CP_ "unknown checkid_* mode"); string iurl = canonicalize(identity); string server, delegate; retrieve_links(iurl,server,delegate); p["identity"] = delegate.empty()?iurl:delegate; if(!trust_root.empty()) p["trust_root"] = trust_root; p["return_to"] = return_to; try { try { string ah = find_assoc(server)->handle(); p["assoc_handle"] = ah; }catch(failed_lookup& fl) { string ah = associate(server)->handle(); p["assoc_handle"] = ah; } }catch(exception& e) { } + if(ext) ext->checkid_hook(p,identity); return p.append_query(server); } - void consumer_t::id_res(const params_t& pin,const string& identity) { + void consumer_t::id_res(const params_t& pin,const string& identity,extension_t *ext) { if(pin.has_param("openid.user_setup_url")) throw id_res_setup(OPKELE_CP_ "assertion failed, setup url provided",pin.get_param("openid.user_setup_url")); string server,delegate; retrieve_links(identity.empty()?pin.get_param("openid.identity"):canonicalize(identity),server,delegate); + params_t ps; try { assoc_t assoc = retrieve_assoc(server,pin.get_param("openid.assoc_handle")); const string& sigenc = pin.get_param("openid.sig"); mimetic::Base64::Decoder b; vector<unsigned char> sig; mimetic::decode( sigenc.begin(),sigenc.end(), b, back_insert_iterator<vector<unsigned char> >(sig) ); const string& slist = pin.get_param("openid.signed"); string kv; string::size_type p = 0; while(true) { string::size_type co = slist.find(',',p); string f = (co==string::npos)?slist.substr(p):slist.substr(p,co-p); kv += f; kv += ':'; f.insert(0,"openid."); kv += pin.get_param(f); kv += '\n'; + if(ext) ps[f.substr(sizeof("openid."))] = pin.get_param(f); if(co==string::npos) break; p = co+1; } secret_t secret = assoc->secret(); unsigned int md_len = 0; unsigned char *md = HMAC( EVP_sha1(), &(secret.front()),secret.size(), (const unsigned char *)kv.data(),kv.length(), 0,&md_len); if(sig.size()!=md_len || memcmp(&(sig.front()),md,md_len)) @@ -210,24 +213,25 @@ namespace opkele { p["openid.sig"] = pin.get_param("openid.sig"); p["openid.signed"] = pin.get_param("openid.signed"); try { string ih = pin.get_param("openid.invalidate_handle"); p["openid.invalidate_handle"] = ih; }catch(failed_lookup& fl) { } try { check_authentication(server,p); }catch(failed_check_authentication& fca) { throw id_res_failed(OPKELE_CP_ "failed to check_authentication()"); } } + if(ext) ext->id_res_hook(pin,ps,identity); } void consumer_t::check_authentication(const string& server,const params_t& p) { string request = "openid.mode=check_authentication"; for(params_t::const_iterator i=p.begin();i!=p.end();++i) { if(i->first!="openid.mode") { request += '&'; request += i->first; request += '='; request += util::url_encode(i->second); } } diff --git a/lib/extension.cc b/lib/extension.cc new file mode 100644 index 0000000..bd2195d --- a/dev/null +++ b/lib/extension.cc @@ -0,0 +1,15 @@ +#include <opkele/exception.h> +#include <opkele/extension.h> + +namespace opkele { + + void extension_t::checkid_hook(params_t& p,const string& identity) { + throw not_implemented(OPKELE_CP_ "Consumer checkid_hook not implemented"); + } + void id_res_hook(const params_t& p,const params_t& sp,const string& identity) { + throw not_implemented(OPKELE_CP_ "Consumer id_res_hook not implemented"); + } + void checkid_hook(const params_t& pin,params_t& pout) { + throw not_implemented(OPKELE_CP_ "Server checkid_hook not implemented"); + } +} diff --git a/lib/server.cc b/lib/server.cc index 5eee1f3..8c29abb 100644 --- a/lib/server.cc +++ b/lib/server.cc @@ -58,33 +58,33 @@ namespace opkele { switch(st) { case sess_dh_sha1: pout["session_type"] = "DH-SHA1"; pout["dh_server_public"] = util::bignum_to_base64(dh->pub_key); secret.enxor_to_base64(key_sha1,pout["enc_mac_key"]); break; default: secret.to_base64(pout["mac_key"]); break; } } - void server_t::checkid_immediate(const params_t& pin,string& return_to,params_t& pout) { - checkid_(mode_checkid_immediate,pin,return_to,pout); + void server_t::checkid_immediate(const params_t& pin,string& return_to,params_t& pout,extension_t *ext) { + checkid_(mode_checkid_immediate,pin,return_to,pout,ext); } - void server_t::checkid_setup(const params_t& pin,string& return_to,params_t& pout) { - checkid_(mode_checkid_setup,pin,return_to,pout); + void server_t::checkid_setup(const params_t& pin,string& return_to,params_t& pout,extension_t *ext) { + checkid_(mode_checkid_setup,pin,return_to,pout,ext); } - void server_t::checkid_(mode_t mode,const params_t& pin,string& return_to,params_t& pout) { + void server_t::checkid_(mode_t mode,const params_t& pin,string& return_to,params_t& pout,extension_t *ext) { if(mode!=mode_checkid_immediate && mode!=mode_checkid_setup) throw bad_input(OPKELE_CP_ "invalid checkid_* mode"); pout.clear(); assoc_t assoc; try { assoc = retrieve_assoc(pin.get_param("openid.assoc_handle")); }catch(failed_lookup& fl) { // no handle specified or no valid handle found, going dumb assoc = alloc_assoc(mode_checkid_setup); if(pin.has_param("openid.assoc_handle")) pout["invalidate_handle"]=pin.get_param("openid.assoc_handle"); } @@ -97,25 +97,27 @@ namespace opkele { validate(*assoc,pin,identity,trust_root); pout["mode"] = "id_res"; pout["assoc_handle"] = assoc->handle(); if(pin.has_param("openid.assoc_handle") && assoc->stateless()) pout["invalidate_handle"] = pin.get_param("openid.assoc_handle"); pout["identity"] = identity; pout["return_to"] = return_to; /* TODO: eventually remove deprecated stuff */ time_t now = time(0); pout["issued"] = util::time_to_w3c(now); pout["valid_to"] = util::time_to_w3c(now+120); pout["exipres_in"] = "120"; - pout.sign(assoc->secret(),pout["sig"],pout["signed"]="mode,identity,return_to"); + pout["signed"]="mode,identity,return_to"; + if(ext) ext->checkid_hook(pin,pout); + pout.sign(assoc->secret(),pout["sig"],pout["signed"]); } void server_t::check_authentication(const params_t& pin,params_t& pout) { vector<unsigned char> sig; mimetic::Base64::Decoder b; const string& sigenc = pin.get_param("openid.sig"); mimetic::decode( sigenc.begin(),sigenc.end(), b, back_insert_iterator<vector<unsigned char> >(sig)); assoc_t assoc; try { assoc = retrieve_assoc(pin.get_param("openid.assoc_handle")); |