]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-meta/bind.c
use result of validation (ITS#4028)
[openldap] / servers / slapd / back-meta / bind.c
index a3d67e4595c7dd02c1225d6996eed9dab7cc2302..eb25c58fe01452ca927466c78c57df73e12e184d 100644 (file)
@@ -59,9 +59,16 @@ meta_back_bind( Operation *op, SlapReply *rs )
        Debug( LDAP_DEBUG_ARGS, "meta_back_bind: dn: %s.\n%s%s",
                        op->o_req_dn.bv_val, "", "" );
 
-       if ( op->orb_method == LDAP_AUTH_SIMPLE && be_isroot_pw( op ) ) {
+       if ( op->orb_method == LDAP_AUTH_SIMPLE
+               && be_isroot_dn( op->o_bd, &op->o_req_ndn ) )
+       {
+               if ( !be_isroot_pw( op ) ) {
+                       rs->sr_err = LDAP_INVALID_CREDENTIALS;
+                       rs->sr_text = NULL;
+                       send_ldap_result( op, rs );
+                       return rs->sr_err;
+               }
                isroot = 1;
-               ber_dupbv( &op->orb_edn, be_root_dn( op->o_bd ) );
        }
 
        /* we need meta_back_getconn() not send result even on error,
@@ -129,13 +136,19 @@ meta_back_bind( Operation *op, SlapReply *rs )
                        rs->sr_err = lerr;
                        candidates[ i ].sr_tag = META_NOT_CANDIDATE;
 
+                       if ( META_BACK_ONERR_STOP( mi ) ) {
+                               rc = rs->sr_err;
+                               break;
+                       }
+                               
                } else {
                        rc = LDAP_SUCCESS;
                }
        }
 
-       if ( isroot ) {
+       if ( isroot && rc == LDAP_SUCCESS ) {
                mc->mc_auth_target = META_BOUND_ALL;
+               ber_dupbv( &op->orb_edn, be_root_dn( op->o_bd ) );
        }
 
        meta_back_release_conn( op, mc );
@@ -211,7 +224,7 @@ rebind:;
                        op->o_ctrls, NULL, &msgid );
        if ( rs->sr_err == LDAP_SUCCESS ) {
                LDAPMessage     *res;
-               struct timeval  tv;
+               struct timeval  tv = { 0, 100000 };
                int             rc;
                int             nretries = mt->mt_nretries;
 
@@ -223,14 +236,19 @@ retry:;
                tv.tv_usec = META_BIND_TIMEOUT;
                switch ( ldap_result( msc->msc_ld, msgid, 0, &tv, &res ) ) {
                case 0:
-                       Debug( LDAP_DEBUG_ANY, "%s meta_back_single_bind: ldap_result=%d nretries=%d\n",
-                               op->o_log_prefix, 0, nretries );
+                       Debug( LDAP_DEBUG_ANY,
+                               "%s meta_back_single_bind: "
+                               "ldap_result=0 nretries=%d%s\n",
+                               op->o_log_prefix, nretries,
+                               rebinding ? " rebinding" : "" );
 
                        if ( nretries != META_RETRY_NEVER ) {
                                ldap_pvt_thread_yield();
                                if ( nretries > 0 ) {
                                        nretries--;
                                }
+                               tv.tv_sec = 0;
+                               tv.tv_usec = 100000;
                                goto retry;
                        }
                        rs->sr_err = LDAP_BUSY;
@@ -255,30 +273,25 @@ retry:;
                                ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
                        }
 
-                       Debug( LDAP_DEBUG_ANY, "### %s meta_back_single_bind: err=%d nretries=%d\n",
+                       Debug( LDAP_DEBUG_ANY,
+                               "### %s meta_back_single_bind: "
+                               "err=%d nretries=%d\n",
                                op->o_log_prefix, rs->sr_err, nretries );
 
                        rc = slap_map_api2result( rs );
                        if ( rs->sr_err == LDAP_UNAVAILABLE && nretries != META_RETRY_NEVER ) {
-retry_lock:;
-                               switch ( ldap_pvt_thread_mutex_trylock( &mi->mi_conn_mutex ) ) {
-                               case LDAP_PVT_THREAD_EBUSY:
-                               default:
-                                       ldap_pvt_thread_yield();
-                                       goto retry_lock;
-
-                               case 0:
-                                       break;
-                               }
-
+                               ldap_pvt_thread_mutex_lock( &mi->mi_conn_mutex );
                                if ( mc->mc_refcnt == 1 ) {
                                        ldap_unbind_ext_s( msc->msc_ld, NULL, NULL );
                                        msc->msc_ld = NULL;
                                        msc->msc_bound = 0;
 
-                                       /* mc here must be the regular mc, reset and ready for init */
-                                       rc = meta_back_init_one_conn( op, rs, mt, msc,
-                                                       LDAP_BACK_DONTSEND );
+                                       ( void )rewrite_session_delete( mt->mt_rwmap.rwm_rw, op->o_conn );
+
+                                       /* mc here must be the regular mc,
+                                        * reset and ready for init */
+                                       rc = meta_back_init_one_conn( op, rs,
+                                               mt, msc, LDAP_BACK_DONTSEND );
 
                                } else {
                                        /* can't do anything about it */
@@ -382,7 +395,7 @@ rebind:;
                        NULL, NULL, &msgid );
        if ( rc == LDAP_SUCCESS ) {
                LDAPMessage     *res;
-               struct timeval  tv;
+               struct timeval  tv = { 0, 100000 };
 
                /*
                 * handle response!!!
@@ -392,14 +405,19 @@ retry:;
                tv.tv_usec = META_BIND_TIMEOUT;
                switch ( ldap_result( msc->msc_ld, msgid, 0, &tv, &res ) ) {
                case 0:
-                       Debug( LDAP_DEBUG_ANY, "%s meta_back_single_dobind: ldap_result=%d nretries=%d\n",
-                               op->o_log_prefix, 0, nretries );
+                       Debug( LDAP_DEBUG_ANY,
+                               "%s meta_back_single_dobind: "
+                               "ldap_result=0 nretries=%d%s\n",
+                               op->o_log_prefix, nretries,
+                               rebinding ? " rebinding" : "" );
 
                        if ( nretries != META_RETRY_NEVER ) {
                                ldap_pvt_thread_yield();
                                if ( nretries > 0 ) {
                                        nretries--;
                                }
+                               tv.tv_sec = 0;
+                               tv.tv_usec = 100000;
                                goto retry;
                        }
 
@@ -425,22 +443,15 @@ retry:;
                                ldap_abandon_ext( msc->msc_ld, msgid, NULL, NULL );
                        }
 
-                       Debug( LDAP_DEBUG_ANY, "### %s meta_back_single_dobind: err=%d nretries=%d\n",
-                                       op->o_log_prefix, rs->sr_err, nretries );
+                       Debug( LDAP_DEBUG_ANY,
+                               "### %s meta_back_single_dobind: "
+                               "err=%d nretries=%d\n",
+                               op->o_log_prefix, rs->sr_err, nretries );
 
                        rc = slap_map_api2result( rs );
                        if ( rc == LDAP_UNAVAILABLE && nretries != META_RETRY_NEVER ) {
                                if ( dolock ) {
-retry_lock:;
-                                       switch ( ldap_pvt_thread_mutex_trylock( &mi->mi_conn_mutex ) ) {
-                                       case LDAP_PVT_THREAD_EBUSY:
-                                       default:
-                                               ldap_pvt_thread_yield();
-                                               goto retry_lock;
-       
-                                       case 0:
-                                               break;
-                                       }
+                                       ldap_pvt_thread_mutex_lock( &mi->mi_conn_mutex );
                                }
 
                                if ( mc->mc_refcnt == 1 ) {
@@ -448,8 +459,12 @@ retry_lock:;
                                        msc->msc_ld = NULL;
                                        msc->msc_bound = 0;
 
-                                       /* mc here must be the regular mc, reset and ready for init */
-                                       rc = meta_back_init_one_conn( op, rs, mt, msc, LDAP_BACK_DONTSEND );
+                                       ( void )rewrite_session_delete( mt->mt_rwmap.rwm_rw, op->o_conn );
+
+                                       /* mc here must be the regular mc,
+                                        * reset and ready for init */
+                                       rc = meta_back_init_one_conn( op, rs,
+                                               mt, msc, LDAP_BACK_DONTSEND );
                                
 
                                } else {
@@ -481,6 +496,7 @@ retry_lock:;
                }
 
        } else {
+               rs->sr_err = rc;
                rc = slap_map_api2result( rs );
        }
 
@@ -504,15 +520,22 @@ meta_back_dobind(
 {
        metainfo_t              *mi = ( metainfo_t * )op->o_bd->be_private;
 
-       int                     bound = 0, i;
+       int                     bound = 0,
+                               i,
+                               isroot = 0;
 
        SlapReply               *candidates = meta_back_candidates_get( op );
 
-       ldap_pvt_thread_mutex_lock( &mc->mc_mutex );
+       if ( be_isroot( op ) ) {
+               isroot = 1;
+       }
 
        Debug( LDAP_DEBUG_TRACE,
-               "%s meta_back_dobind: conn=%ld\n",
-               op->o_log_prefix, mc->mc_conn->c_connid, 0 );
+               "%s meta_back_dobind: conn=%ld%s\n",
+               op->o_log_prefix, mc->mc_conn->c_connid,
+               isroot ? " (isroot)" : "" );
+
+       ldap_pvt_thread_mutex_lock( &mc->mc_mutex );
 
        /*
         * all the targets are bound as pseudoroot
@@ -548,11 +571,24 @@ meta_back_dobind(
                        continue;
                }
 
-               rc = meta_back_single_dobind( op, rs, mc, i,
+               if ( isroot && !BER_BVISNULL( &mi->mi_targets[ i ].mt_pseudorootdn ) )
+               {
+                       Operation       op2 = *op;
+
+                       op2.o_tag = LDAP_REQ_BIND;
+                       op2.o_req_dn = mi->mi_targets[ i ].mt_pseudorootdn;
+                       op2.o_req_ndn = mi->mi_targets[ i ].mt_pseudorootdn;
+                       op2.orb_cred = mi->mi_targets[ i ].mt_pseudorootpw;
+                       op2.orb_method = LDAP_AUTH_SIMPLE;
+
+                       rc = meta_back_single_bind( &op2, rs, mc, i );
+
+               } else {
+                       rc = meta_back_single_dobind( op, rs, mc, i,
                                LDAP_BACK_DONTSEND, mt->mt_nretries, 1 );
-               if ( rc != LDAP_SUCCESS ) {
-                       rs->sr_err = slap_map_api2result( rs );
+               }
 
+               if ( rc != LDAP_SUCCESS ) {
                        Debug( LDAP_DEBUG_ANY, "%s meta_back_dobind[%d]: "
                                        "(anonymous) err=%d\n",
                                        op->o_log_prefix, i, rc );
@@ -564,7 +600,12 @@ meta_back_dobind(
                         * due to technical reasons (remote host down?)
                         * so better clear the handle
                         */
-                       candidates[ i ].sr_tag = META_NOT_CANDIDATE;
+                       /* leave the target candidate, but record the error for later use */
+                       candidates[ i ].sr_err = rc;
+                       if ( META_BACK_ONERR_STOP( mi ) ) {
+                               bound = 0;
+                               goto done;
+                       }
                        continue;
                } /* else */
                
@@ -632,10 +673,11 @@ meta_back_op_result(
 
        int                     i,
                                rerr = LDAP_SUCCESS;
-       char                    *rmsg = NULL;
-       char                    *rmatch = NULL;
-       int                     free_rmsg = 0,
-                               free_rmatch = 0;
+       char                    *rmsg = NULL,
+                               *rmatch = NULL;
+       const char              *save_rmsg = NULL,
+                               *save_rmatch = NULL;
+       void                    *rmatch_ctx = NULL;
 
        if ( candidate != META_TARGET_NONE ) {
                metasingleconn_t        *msc = &mc->mc_conns[ candidate ];
@@ -652,17 +694,20 @@ meta_back_op_result(
                         */
                        ldap_get_option( msc->msc_ld,
                                        LDAP_OPT_ERROR_STRING, &rmsg );
+                       if ( rmsg != NULL && rmsg[ 0 ] == '\0' ) {
+                               ldap_memfree( rmsg );
+                               rmsg = NULL;
+                       }
+
                        ldap_get_option( msc->msc_ld,
                                        LDAP_OPT_MATCHED_DN, &rmatch );
-                       rerr = rs->sr_err = slap_map_api2result( rs );
-
-                       if ( rmsg ) {
-                               free_rmsg = 1;
-                       }
-                       if ( rmatch ) {
-                               free_rmatch = 1;
+                       if ( rmatch != NULL && rmatch[ 0 ] == '\0' ) {
+                               ldap_memfree( rmatch );
+                               rmatch = NULL;
                        }
 
+                       rerr = rs->sr_err = slap_map_api2result( rs );
+
                        Debug(LDAP_DEBUG_ANY,
                                        "==> meta_back_op_result: target"
                                        " <%d> sending msg \"%s\""
@@ -689,8 +734,18 @@ meta_back_op_result(
                                 */
                                ldap_get_option( msc->msc_ld,
                                                LDAP_OPT_ERROR_STRING, &msg );
+                               if ( msg != NULL && msg[ 0 ] == '\0' ) {
+                                       ldap_memfree( msg );
+                                       msg = NULL;
+                               }
+
                                ldap_get_option( msc->msc_ld,
                                                LDAP_OPT_MATCHED_DN, &match );
+                               if ( match != NULL && match[ 0 ] == '\0' ) {
+                                       ldap_memfree( match );
+                                       match = NULL;
+                               }
+
                                rs->sr_err = slap_map_api2result( rs );
        
                                Debug(LDAP_DEBUG_ANY,
@@ -706,44 +761,60 @@ meta_back_op_result(
                                switch ( rs->sr_err ) {
                                default:
                                        rerr = rs->sr_err;
-                                       if ( rmsg ) {
-                                               ber_memfree( rmsg );
+                                       if ( msg != NULL ) {
+                                               if ( rmsg ) {
+                                                       ldap_memfree( rmsg );
+                                               }
+                                               rmsg = msg;
+                                               msg = NULL;
                                        }
-                                       rmsg = msg;
-                                       free_rmsg = 1;
-                                       msg = NULL;
-                                       if ( rmatch ) {
-                                               ber_memfree( rmatch );
+                                       if ( match != NULL ) {
+                                               if ( rmatch ) {
+                                                       ldap_memfree( rmatch );
+                                               }
+                                               rmatch = match;
+                                               match = NULL;
                                        }
-                                       rmatch = match;
-                                       free_rmatch = 1;
-                                       match = NULL;
                                        break;
                                }
+
+                               if ( msg ) {
+                                       ldap_memfree( msg );
+                               }
        
-                               /* better test the pointers before freeing? */
                                if ( match ) {
-                                       free( match );
-                               }
-                               if ( msg ) {
-                                       free( msg );
+                                       ldap_memfree( match );
                                }
                        }
                }
        }
        
        rs->sr_err = rerr;
-       rs->sr_text = rmsg;
-       rs->sr_matched = rmatch;
+       if ( rmsg != NULL ) {
+               save_rmsg = rs->sr_text;
+               rs->sr_text = rmsg;
+       }
+       if ( rmatch != NULL ) {
+               struct berval   dn, pdn;
+
+               ber_str2bv( rmatch, 0, 0, &dn );
+               if ( dnPretty( NULL, &dn, &pdn, op->o_tmpmemctx ) == LDAP_SUCCESS ) {
+                       ldap_memfree( rmatch );
+                       rmatch_ctx = op->o_tmpmemctx;
+                       rmatch = pdn.bv_val;
+               }
+               save_rmatch = rs->sr_matched;
+               rs->sr_matched = rmatch;
+       }
        send_ldap_result( op, rs );
-       if ( free_rmsg ) {
+       if ( rmsg != NULL ) {
                ber_memfree( rmsg );
+               rs->sr_text = save_rmsg;
        }
-       if ( free_rmatch ) {
-               ber_memfree( rmatch );
+       if ( rmatch != NULL ) {
+               ber_memfree_x( rmatch, rmatch_ctx );
+               rs->sr_matched = save_rmatch;
        }
-       rs->sr_text = NULL;
-       rs->sr_matched = NULL;
 
        return ( ( rerr == LDAP_SUCCESS ) ? 0 : -1 );
 }