]> git.sur5r.net Git - openldap/commitdiff
allow slapo-refint(5) to implement global referential integrity (ITS#5428)
authorPierangelo Masarati <ando@openldap.org>
Sat, 15 Mar 2008 18:27:24 +0000 (18:27 +0000)
committerPierangelo Masarati <ando@openldap.org>
Sat, 15 Mar 2008 18:27:24 +0000 (18:27 +0000)
servers/slapd/overlays/refint.c

index 7b70a9c32ad2fbc7ece707ff161999dc052f6cc1..13c520ecc6992103f69922c602d0c9e7db31752f 100644 (file)
@@ -492,6 +492,195 @@ refint_search_cb(
        return(0);
 }
 
+static int
+refint_repair(
+       Operation       *op,
+       SlapReply       *rs,
+       refint_data     *id,
+       refint_q        *rq )
+{
+       dependent_data  *dp, *dp_next;
+       int             rc;
+
+       op->o_callback->sc_response = refint_search_cb;
+       op->o_req_dn = op->o_bd->be_suffix[ 0 ];
+       op->o_req_ndn = op->o_bd->be_nsuffix[ 0 ];
+       op->o_dn = op->o_bd->be_rootdn;
+       op->o_ndn = op->o_bd->be_rootndn;
+
+       /* search */
+       rc = op->o_bd->be_search( op, rs );
+
+       if ( rc != LDAP_SUCCESS ) {
+               Debug( LDAP_DEBUG_TRACE,
+                       "refint_repair: search failed: %d\n",
+                       rc, 0, 0 );
+               return 0;
+       }
+
+       /* safety? paranoid just in case */
+       if ( op->o_callback->sc_private == NULL ) {
+               Debug( LDAP_DEBUG_TRACE,
+                       "refint_repair: callback wiped out sc_private?!\n",
+                       0, 0, 0 );
+               return 0;
+       }
+
+       /* Set up the Modify requests */
+       op->o_callback->sc_response = &slap_null_cb;
+
+       /*
+        * [our search callback builds a list of attrs]
+        * foreach attr:
+        *      make sure its dn has a backend;
+        *      build Modification* chain;
+        *      call the backend modify function;
+        *
+        */
+
+       for ( dp = rq->attrs; dp; dp = dp_next ) {
+               Operation       op2 = *op;
+               SlapReply       rs2 = { 0 };
+               refint_attrs    *ra;
+               Modifications   *m, *first = NULL;
+
+               dp_next = dp->next;
+
+               op2.o_tag = LDAP_REQ_MODIFY;
+               op2.orm_modlist = NULL;
+               op2.o_req_dn    = dp->dn;
+               op2.o_req_ndn   = dp->ndn;
+               op2.o_bd = select_backend( &dp->ndn, 1 );
+               if ( !op2.o_bd ) {
+                       Debug( LDAP_DEBUG_TRACE,
+                               "refint_repair: no backend for DN %s!\n",
+                               dp->dn.bv_val, 0, 0 );
+                       return 0;
+               }
+
+               rs2.sr_type = REP_RESULT;
+               for ( ra = dp->attrs; ra; ra = dp->attrs ) {
+                       size_t  len;
+
+                       dp->attrs = ra->next;
+                       /* Set our ModifiersName */
+                       if ( SLAP_LASTMOD( op->o_bd ) ) {
+                               m = op2.o_tmpalloc( sizeof(Modifications) +
+                                       4*sizeof(BerValue), op2.o_tmpmemctx );
+                               m->sml_next = op2.orm_modlist;
+                               if ( !first )
+                                       first = m;
+                               op2.orm_modlist = m;
+                               m->sml_op = LDAP_MOD_REPLACE;
+                               m->sml_flags = SLAP_MOD_INTERNAL;
+                               m->sml_desc = slap_schema.si_ad_modifiersName;
+                               m->sml_type = m->sml_desc->ad_cname;
+                               m->sml_numvals = 1;
+                               m->sml_values = (BerVarray)(m+1);
+                               m->sml_nvalues = m->sml_values+2;
+                               BER_BVZERO( &m->sml_values[1] );
+                               BER_BVZERO( &m->sml_nvalues[1] );
+                               m->sml_values[0] = refint_dn;
+                               m->sml_nvalues[0] = refint_ndn;
+                       }
+                       if ( !BER_BVISEMPTY( &rq->newdn ) || ( ra->next &&
+                               ra->attr == ra->next->attr ) )
+                       {
+                               len = sizeof(Modifications);
+
+                               if ( ra->new_vals == NULL ) {
+                                       len += 4*sizeof(BerValue);
+                               }
+
+                               m = op2.o_tmpalloc( len, op2.o_tmpmemctx );
+                               m->sml_next = op2.orm_modlist;
+                               if ( !first )
+                                       first = m;
+                               op2.orm_modlist = m;
+                               m->sml_op = LDAP_MOD_ADD;
+                               m->sml_flags = 0;
+                               m->sml_desc = ra->attr;
+                               m->sml_type = ra->attr->ad_cname;
+                               if ( ra->new_vals == NULL ) {
+                                       m->sml_values = (BerVarray)(m+1);
+                                       m->sml_nvalues = m->sml_values+2;
+                                       BER_BVZERO( &m->sml_values[1] );
+                                       BER_BVZERO( &m->sml_nvalues[1] );
+                                       m->sml_numvals = 1;
+                                       if ( BER_BVISEMPTY( &rq->newdn ) ) {
+                                               op2.o_tmpfree( ra, op2.o_tmpmemctx );
+                                               ra = dp->attrs;
+                                               dp->attrs = ra->next;
+                                               m->sml_values[0] = id->nothing;
+                                               m->sml_nvalues[0] = id->nnothing;
+                                       } else {
+                                               m->sml_values[0] = rq->newdn;
+                                               m->sml_nvalues[0] = rq->newndn;
+                                       }
+                               } else {
+                                       m->sml_values = ra->new_vals;
+                                       m->sml_nvalues = ra->new_nvals;
+                                       m->sml_numvals = ra->ra_numvals;
+                               }
+                       }
+
+                       len = sizeof(Modifications);
+                       if ( ra->old_vals == NULL ) {
+                               len += 4*sizeof(BerValue);
+                       }
+
+                       m = op2.o_tmpalloc( len, op2.o_tmpmemctx );
+                       m->sml_next = op2.orm_modlist;
+                       op2.orm_modlist = m;
+                       if ( !first )
+                               first = m;
+                       m->sml_op = LDAP_MOD_DELETE;
+                       m->sml_flags = 0;
+                       m->sml_desc = ra->attr;
+                       m->sml_type = ra->attr->ad_cname;
+                       if ( ra->old_vals == NULL ) {
+                               m->sml_numvals = 1;
+                               m->sml_values = (BerVarray)(m+1);
+                               m->sml_nvalues = m->sml_values+2;
+                               m->sml_values[0] = rq->olddn;
+                               m->sml_nvalues[0] = rq->oldndn;
+                               BER_BVZERO( &m->sml_values[1] );
+                               BER_BVZERO( &m->sml_nvalues[1] );
+                       } else {
+                               m->sml_values = ra->old_vals;
+                               m->sml_nvalues = ra->old_nvals;
+                               m->sml_numvals = ra->ra_numvals;
+                       }
+                       op2.o_tmpfree( ra, op2.o_tmpmemctx );
+               }
+
+               op2.o_dn = op2.o_bd->be_rootdn;
+               op2.o_ndn = op2.o_bd->be_rootndn;
+               slap_op_time( &op2.o_time, &op2.o_tincr );
+               if ( ( rc = op2.o_bd->be_modify( &op2, &rs2 ) ) != LDAP_SUCCESS ) {
+                       Debug( LDAP_DEBUG_TRACE,
+                               "refint_repair: dependent modify failed: %d\n",
+                               rs2.sr_err, 0, 0 );
+               }
+
+               while ( ( m = op2.orm_modlist ) ) {
+                       op2.orm_modlist = m->sml_next;
+                       if ( m->sml_values && m->sml_values != (BerVarray)(m+1) ) {
+                               ber_bvarray_free_x( m->sml_values, op2.o_tmpmemctx );
+                               ber_bvarray_free_x( m->sml_nvalues, op2.o_tmpmemctx );
+                       }
+                       op2.o_tmpfree( m, op2.o_tmpmemctx );
+                       if ( m == first ) break;
+               }
+               slap_mods_free( op2.orm_modlist, 1 );
+               op2.o_tmpfree( dp->ndn.bv_val, op2.o_tmpmemctx );
+               op2.o_tmpfree( dp->dn.bv_val, op2.o_tmpmemctx );
+               op2.o_tmpfree( dp, op2.o_tmpmemctx );
+       }
+
+       return 0;
+}
+
 static void *
 refint_qtask( void *ctx, void *arg )
 {
@@ -504,9 +693,7 @@ refint_qtask( void *ctx, void *arg )
        slap_callback cb = { NULL, NULL, NULL, NULL };
        Filter ftop, *fptr;
        refint_q *rq;
-       dependent_data *dp, *dp_next;
-       refint_attrs *ra, *ip;
-       int rc;
+       refint_attrs *ip;
 
        connection_fake_init( &conn, &opbuf, ctx );
        op = &opbuf.ob_op;
@@ -553,7 +740,7 @@ refint_qtask( void *ctx, void *arg )
                if ( !rq )
                        break;
 
-               for (fptr = ftop.f_or; fptr; fptr=fptr->f_next )
+               for (fptr = ftop.f_or; fptr; fptr = fptr->f_next )
                        fptr->f_mr_value = rq->oldndn;
 
                filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
@@ -572,182 +759,28 @@ refint_qtask( void *ctx, void *arg )
                /* no attrs! */
                op->ors_attrs = slap_anlist_no_attrs;
 
-               op->o_req_ndn = id->dn;
-               op->o_req_dn = id->dn;
-               op->o_bd = rq->db;
-               op->o_dn = op->o_bd->be_rootdn;
-               op->o_ndn = op->o_bd->be_rootndn;
                slap_op_time( &op->o_time, &op->o_tincr );
 
-               /* search */
-               rc = op->o_bd->be_search(op, &rs);
-
-               op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
-
-               if(rc != LDAP_SUCCESS) {
-                       Debug( LDAP_DEBUG_TRACE,
-                               "refint_response: search failed: %d\n",
-                               rc, 0, 0 );
-                       continue;
-               }
-
-               /* safety? paranoid just in case */
-               if(!cb.sc_private) {
-                       Debug( LDAP_DEBUG_TRACE,
-                               "refint_response: callback wiped out sc_private?!\n",
-                               0, 0, 0 );
-                       continue;
-               }
-
-               /* Set up the Modify requests */
-               cb.sc_response  = &slap_null_cb;
-               op->o_tag       = LDAP_REQ_MODIFY;
-
-               /*
-               ** [our search callback builds a list of attrs]
-               ** foreach attr:
-               **      make sure its dn has a backend;
-               **      build Modification* chain;
-               **      call the backend modify function;
-               **
-               */
-
-               for(dp = rq->attrs; dp; dp = dp_next) {
-                       Modifications *m, *first = NULL;
-
-                       dp_next = dp->next;
-
-                       op->orm_modlist = NULL;
-
-                       op->o_req_dn    = dp->dn;
-                       op->o_req_ndn   = dp->ndn;
-                       op->o_bd = select_backend(&dp->ndn, 1);
-                       if(!op->o_bd) {
-                               Debug( LDAP_DEBUG_TRACE,
-                                       "refint_response: no backend for DN %s!\n",
-                                       dp->dn.bv_val, 0, 0 );
-                               goto done;
-                       }
-                       rs.sr_type      = REP_RESULT;
-                       for (ra = dp->attrs; ra; ra = dp->attrs) {
-                               size_t  len;
-
-                               dp->attrs = ra->next;
-                               /* Set our ModifiersName */
-                               if ( SLAP_LASTMOD( op->o_bd )) {
-                                       m = op->o_tmpalloc( sizeof(Modifications) +
-                                               4*sizeof(BerValue), op->o_tmpmemctx );
-                                       m->sml_next = op->orm_modlist;
-                                       if ( !first )
-                                               first = m;
-                                       op->orm_modlist = m;
-                                       m->sml_op = LDAP_MOD_REPLACE;
-                                       m->sml_flags = SLAP_MOD_INTERNAL;
-                                       m->sml_desc = slap_schema.si_ad_modifiersName;
-                                       m->sml_type = m->sml_desc->ad_cname;
-                                       m->sml_numvals = 1;
-                                       m->sml_values = (BerVarray)(m+1);
-                                       m->sml_nvalues = m->sml_values+2;
-                                       BER_BVZERO( &m->sml_values[1] );
-                                       BER_BVZERO( &m->sml_nvalues[1] );
-                                       m->sml_values[0] = refint_dn;
-                                       m->sml_nvalues[0] = refint_ndn;
-                               }
-                               if ( !BER_BVISEMPTY( &rq->newdn ) || ( ra->next &&
-                                       ra->attr == ra->next->attr ))
-                               {
-                                       len = sizeof(Modifications);
-
-                                       if ( ra->new_vals == NULL ) {
-                                               len += 4*sizeof(BerValue);
-                                       }
+               if ( rq->db != NULL ) {
+                       op->o_bd = rq->db;
+                       refint_repair( op, &rs, id, rq );
 
-                                       m = op->o_tmpalloc( len, op->o_tmpmemctx );
-                                       m->sml_next = op->orm_modlist;
-                                       if ( !first )
-                                               first = m;
-                                       op->orm_modlist = m;
-                                       m->sml_op = LDAP_MOD_ADD;
-                                       m->sml_flags = 0;
-                                       m->sml_desc = ra->attr;
-                                       m->sml_type = ra->attr->ad_cname;
-                                       if ( ra->new_vals == NULL ) {
-                                               m->sml_values = (BerVarray)(m+1);
-                                               m->sml_nvalues = m->sml_values+2;
-                                               BER_BVZERO( &m->sml_values[1] );
-                                               BER_BVZERO( &m->sml_nvalues[1] );
-                                               m->sml_numvals = 1;
-                                               if ( BER_BVISEMPTY( &rq->newdn )) {
-                                                       op->o_tmpfree( ra, op->o_tmpmemctx );
-                                                       ra = dp->attrs;
-                                                       dp->attrs = ra->next;
-                                                       m->sml_values[0] = id->nothing;
-                                                       m->sml_nvalues[0] = id->nnothing;
-                                               } else {
-                                                       m->sml_values[0] = rq->newdn;
-                                                       m->sml_nvalues[0] = rq->newndn;
-                                               }
-                                       } else {
-                                               m->sml_values = ra->new_vals;
-                                               m->sml_nvalues = ra->new_nvals;
-                                               m->sml_numvals = ra->ra_numvals;
-                                       }
-                               }
+               } else {
+                       BackendDB       *be;
 
-                               len = sizeof(Modifications);
-                               if ( ra->old_vals == NULL ) {
-                                       len += 4*sizeof(BerValue);
+                       LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
+                               /* we may want to skip cn=config */
+                               if ( be == LDAP_STAILQ_FIRST(&backendDB) ) {
+                                       continue;
                                }
 
-                               m = op->o_tmpalloc( len, op->o_tmpmemctx );
-                               m->sml_next = op->orm_modlist;
-                               op->orm_modlist = m;
-                               if ( !first )
-                                       first = m;
-                               m->sml_op = LDAP_MOD_DELETE;
-                               m->sml_flags = 0;
-                               m->sml_desc = ra->attr;
-                               m->sml_type = ra->attr->ad_cname;
-                               if ( ra->old_vals == NULL ) {
-                                       m->sml_numvals = 1;
-                                       m->sml_values = (BerVarray)(m+1);
-                                       m->sml_nvalues = m->sml_values+2;
-                                       m->sml_values[0] = rq->olddn;
-                                       m->sml_nvalues[0] = rq->oldndn;
-                                       BER_BVZERO( &m->sml_values[1] );
-                                       BER_BVZERO( &m->sml_nvalues[1] );
-                               } else {
-                                       m->sml_values = ra->old_vals;
-                                       m->sml_nvalues = ra->old_nvals;
-                                       m->sml_numvals = ra->ra_numvals;
+                               if ( be->be_search && be->be_modify ) {
+                                       op->o_bd = be;
+                                       refint_repair( op, &rs, id, rq );
                                }
-                               op->o_tmpfree( ra, op->o_tmpmemctx );
                        }
-
-                       op->o_dn = op->o_bd->be_rootdn;
-                       op->o_ndn = op->o_bd->be_rootndn;
-                       slap_op_time( &op->o_time, &op->o_tincr );
-                       if((rc = op->o_bd->be_modify(op, &rs)) != LDAP_SUCCESS) {
-                               Debug( LDAP_DEBUG_TRACE,
-                                       "refint_response: dependent modify failed: %d\n",
-                                       rs.sr_err, 0, 0 );
-                       }
-
-                       while (( m = op->orm_modlist )) {
-                               op->orm_modlist = m->sml_next;
-                               if ( m->sml_values && m->sml_values != (BerVarray)(m+1) ) {
-                                       ber_bvarray_free_x( m->sml_values, op->o_tmpmemctx );
-                                       ber_bvarray_free_x( m->sml_nvalues, op->o_tmpmemctx );
-                               }
-                               op->o_tmpfree( m, op->o_tmpmemctx );
-                               if ( m == first ) break;
-                       }
-                       slap_mods_free( op->orm_modlist, 1 );
-                       op->o_tmpfree( dp->ndn.bv_val, op->o_tmpmemctx );
-                       op->o_tmpfree( dp->dn.bv_val, op->o_tmpmemctx );
-                       op->o_tmpfree( dp, op->o_tmpmemctx );
                }
-done:
+
                if ( !BER_BVISNULL( &rq->newndn )) {
                        ch_free( rq->newndn.bv_val );
                        ch_free( rq->newdn.bv_val );
@@ -789,7 +822,7 @@ refint_response(
        BerValue pdn;
        int ac;
        refint_q *rq;
-       BackendDB *db;
+       BackendDB *db = NULL;
        refint_attrs *ip;
 
        id->message = "_refint_response";
@@ -817,20 +850,22 @@ refint_response(
        **
        */
 
-       db = select_backend(&id->dn, 1);
+       if ( on->on_info->oi_origdb != frontendDB ) {
+               db = select_backend(&id->dn, 1);
 
-       if(db) {
-               if (!db->be_search || !db->be_modify) {
+               if ( db ) {
+                       if ( !db->be_search || !db->be_modify ) {
+                               Debug( LDAP_DEBUG_TRACE,
+                                       "refint_response: backend missing search and/or modify\n",
+                                       0, 0, 0 );
+                               return SLAP_CB_CONTINUE;
+                       }
+               } else {
                        Debug( LDAP_DEBUG_TRACE,
-                               "refint_response: backend missing search and/or modify\n",
-                               0, 0, 0 );
+                               "refint_response: no backend for our baseDN %s??\n",
+                               id->dn.bv_val, 0, 0 );
                        return SLAP_CB_CONTINUE;
                }
-       } else {
-               Debug( LDAP_DEBUG_TRACE,
-                       "refint_response: no backend for our baseDN %s??\n",
-                       id->dn.bv_val, 0, 0 );
-               return SLAP_CB_CONTINUE;
        }
 
        rq = ch_calloc( 1, sizeof( refint_q ));
@@ -839,7 +874,7 @@ refint_response(
        rq->db = db;
        rq->rdata = id;
 
-       if(op->o_tag == LDAP_REQ_MODRDN) {
+       if ( op->o_tag == LDAP_REQ_MODRDN ) {
                if ( op->oq_modrdn.rs_newSup ) {
                        pdn = *op->oq_modrdn.rs_newSup;
                } else {