openid 1 compatibility fix in OP

I shouldn't be failing if there's no claimed_id field for OpenID 1 request.

Signed-off-by: Michael Krelin <hacker@klever.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/basic_op.cc b/lib/basic_op.cc
index 11ffb48..c89d1d7 100644
--- a/lib/basic_op.cc
+++ b/lib/basic_op.cc
@@ -164,48 +164,49 @@ namespace opkele {
                     if(return_to.empty())
                         throw bad_input(OPKELE_CP_
                                 "Both realm and return_to are unset");
                     realm = return_to;
                 }
             }
         }else{
             try {
                 realm = inm.get_field("trust_root");
             }catch(failed_lookup&) {
                 if(return_to.empty())
                     throw bad_input(OPKELE_CP_
                             "Both realm and return_to are unset");
                 realm = return_to;
             }
         }
         try {
             identity = inm.get_field("identity");
             try {
                 claimed_id = inm.get_field("claimed_id");
             }catch(failed_lookup&) {
                 if(openid2)
                     throw bad_input(OPKELE_CP_
                             "claimed_id and identity must be either both present or both absent");
+                claimed_id = identity;
             }
         }catch(failed_lookup&) {
             if(openid2 && inm.has_field("claimed_id"))
                 throw bad_input(OPKELE_CP_
                     "claimed_id and identity must be either both present or both absent");
         }
         verify_return_to();
     }
 
     basic_openid_message& basic_op::id_res(basic_openid_message& om) {
         assert(assoc);
         assert(!return_to.empty());
         assert(!is_id_select());
         time_t now = time(0);
         struct tm gmt; gmtime_r(&now,&gmt);
         char w3timestr[24];
         if(!strftime(w3timestr,sizeof(w3timestr),"%Y-%m-%dT%H:%M:%SZ",&gmt))
             throw failed_conversion(OPKELE_CP_
                     "Failed to build time string for nonce" );
         om.set_field("ns",OIURI_OPENID20);
         om.set_field("mode","id_res");
         om.set_field("op_endpoint",get_op_endpoint());
         string ats = "ns,mode,op_endpoint,return_to,response_nonce,"
             "assoc_handle,signed";