X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=sidebyside;f=servers%2Fslapd%2Fback-monitor%2Fsearch.c;h=e71afa20b0567be706392d2deeaebeea3cfe0484;hb=0a465343fb6d6d8df9091699885bf352c3b1d4b3;hp=6c187c47abc3e71e6ac02caca8e0567339ae0eae;hpb=743c402265e56c084d7fa4517e1257bc3457daeb;p=openldap diff --git a/servers/slapd/back-monitor/search.c b/servers/slapd/back-monitor/search.c index 6c187c47ab..e71afa20b0 100644 --- a/servers/slapd/back-monitor/search.c +++ b/servers/slapd/back-monitor/search.c @@ -1,37 +1,22 @@ /* search.c - monitor backend search function */ -/* - * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software . + * + * Copyright 2001-2006 The OpenLDAP Foundation. + * Portions Copyright 2001-2003 Pierangelo Masarati. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * . */ -/* - * Copyright 2001 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file - * - * Copyright 2001, Pierangelo Masarati, All rights reserved. - * - * This work has beed deveolped for the OpenLDAP Foundation - * in the hope that it may be useful to the Open Source community, - * but WITHOUT ANY WARRANTY. - * - * Permission is granted to anyone to use this software for any purpose - * on any computer system, and to alter it and redistribute it, subject - * to the following restrictions: - * - * 1. The author and SysNet s.n.c. are not responsible for the consequences - * of use of this software, no matter how awful, even if they arise from - * flaws in it. - * - * 2. The origin of this software must not be misrepresented, either by - * explicit claim or by omission. Since few users ever read sources, - * credits should appear in the documentation. - * - * 3. Altered versions must be plainly marked as such, and must not be - * misrepresented as being the original software. Since few users - * ever read sources, credits should appear in the documentation. - * SysNet s.n.c. cannot be responsible for the consequences of the - * alterations. - * - * 4. This notice may not be removed or altered. +/* ACKNOWLEDGEMENTS: + * This work was initially developed by Pierangelo Masarati for inclusion + * in OpenLDAP Software. */ #include "portable.h" @@ -47,29 +32,26 @@ static int monitor_send_children( - Backend *be, - Connection *conn, - Operation *op, - Filter *filter, - AttributeName *attrs, - int attrsonly, + Operation *op, + SlapReply *rs, Entry *e_parent, - int sub, - int *nentriesp + int sub ) { - struct monitorinfo *mi = (struct monitorinfo *) be->be_private; - Entry *e, *e_tmp, *e_ch; - struct monitorentrypriv *mp; - int nentries; - int rc; + monitor_info_t *mi = ( monitor_info_t * )op->o_bd->be_private; + Entry *e, + *e_tmp, + *e_ch = NULL, + *e_nonvolatile = NULL; + monitor_entry_t *mp; + int rc, + nonvolatile = 0; - mp = ( struct monitorentrypriv * )e_parent->e_private; - e = mp->mp_children; + mp = ( monitor_entry_t * )e_parent->e_private; + e_nonvolatile = e = mp->mp_children; - e_ch = NULL; if ( MONITOR_HAS_VOLATILE_CH( mp ) ) { - monitor_entry_create( mi, NULL, e_parent, &e_ch ); + monitor_entry_create( op, rs, NULL, e_parent, &e_ch ); } monitor_cache_release( mi, e_parent ); @@ -77,7 +59,7 @@ monitor_send_children( if ( e_ch == NULL ) { /* no persistent entries? return */ if ( e == NULL ) { - return( 0 ); + return LDAP_SUCCESS; } /* volatile entries */ @@ -85,13 +67,12 @@ monitor_send_children( /* if no persistent, return only volatile */ if ( e == NULL ) { e = e_ch; - monitor_cache_lock( e_ch ); /* else append persistent to volatile */ } else { e_tmp = e_ch; do { - mp = ( struct monitorentrypriv * )e_tmp->e_private; + mp = ( monitor_entry_t * )e_tmp->e_private; e_tmp = mp->mp_next; if ( e_tmp == NULL ) { @@ -104,126 +85,178 @@ monitor_send_children( } /* return entries */ - for ( nentries = *nentriesp; e != NULL; ) { - mp = ( struct monitorentrypriv * )e->e_private; + for ( monitor_cache_lock( e ); e != NULL; ) { + monitor_entry_update( op, rs, e ); + + if ( op->o_abandon ) { + /* FIXME: may leak generated children */ + if ( nonvolatile == 0 ) { + for ( e_tmp = e; e_tmp != NULL; ) { + mp = ( monitor_entry_t * )e_tmp->e_private; + e = e_tmp; + e_tmp = mp->mp_next; + monitor_cache_release( mi, e ); + + if ( e_tmp == e_nonvolatile ) { + break; + } + } + + } else { + monitor_cache_release( mi, e ); + } - monitor_entry_update( mi, e ); + return SLAPD_ABANDON; + } - rc = test_filter( be, conn, op, e, filter ); + rc = test_filter( op, e, op->oq_search.rs_filter ); if ( rc == LDAP_COMPARE_TRUE ) { - send_search_entry( be, conn, op, e, - attrs, attrsonly, NULL ); - nentries++; + rs->sr_entry = e; + rs->sr_flags = 0; + rc = send_search_entry( op, rs ); + rs->sr_entry = NULL; } - if ( ( mp->mp_children || MONITOR_HAS_VOLATILE_CH( mp ) ) - && sub ) { - rc = monitor_send_children( be, conn, op, filter, - attrs, attrsonly, - e, sub, &nentries ); + mp = ( monitor_entry_t * )e->e_private; + e_tmp = mp->mp_next; + + if ( sub ) { + rc = monitor_send_children( op, rs, e, sub ); if ( rc ) { + /* FIXME: may leak generated children */ + if ( nonvolatile == 0 ) { + for ( ; e_tmp != NULL; ) { + mp = ( monitor_entry_t * )e_tmp->e_private; + e = e_tmp; + e_tmp = mp->mp_next; + monitor_cache_release( mi, e ); + + if ( e_tmp == e_nonvolatile ) { + break; + } + } + } + return( rc ); } } - e_tmp = mp->mp_next; if ( e_tmp != NULL ) { monitor_cache_lock( e_tmp ); } - monitor_cache_release( mi, e ); + + if ( !sub ) { + /* otherwise the recursive call already released */ + monitor_cache_release( mi, e ); + } + e = e_tmp; + if ( e == e_nonvolatile ) { + nonvolatile = 1; + } } - return( 0 ); + return LDAP_SUCCESS; } int -monitor_back_search( - Backend *be, - Connection *conn, - Operation *op, - struct berval *base, - struct berval *nbase, - int scope, - int deref, - int slimit, - int tlimit, - Filter *filter, - const char *filterstr, - AttributeName *attrs, - int attrsonly -) +monitor_back_search( Operation *op, SlapReply *rs ) { - struct monitorinfo *mi = (struct monitorinfo *) be->be_private; - int rc; - Entry *e, *matched = NULL; - int nentries = 0; + monitor_info_t *mi = ( monitor_info_t * )op->o_bd->be_private; + int rc = LDAP_SUCCESS; + Entry *e = NULL, *matched = NULL; + slap_mask_t mask; -#ifdef NEW_LOGGING - LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY, - "monitor_back_search: enter\n" )); -#else - Debug(LDAP_DEBUG_TRACE, "=> monitor_back_search\n%s%s%s", "", "", ""); -#endif + Debug( LDAP_DEBUG_TRACE, "=> monitor_back_search\n", 0, 0, 0 ); /* get entry with reader lock */ - monitor_cache_dn2entry( mi, nbase, &e, &matched ); + monitor_cache_dn2entry( op, rs, &op->o_req_ndn, &e, &matched ); if ( e == NULL ) { - send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT, - matched ? matched->e_dn : NULL, - NULL, NULL, NULL ); + rs->sr_err = LDAP_NO_SUCH_OBJECT; + if ( matched ) { +#ifdef SLAP_ACL_HONOR_DISCLOSE + if ( !access_allowed_mask( op, matched, + slap_schema.si_ad_entry, + NULL, ACL_DISCLOSE, NULL, NULL ) ) + { + /* do nothing */ ; + } else +#endif /* SLAP_ACL_HONOR_DISCLOSE */ + { + rs->sr_matched = matched->e_dn; + } + } + + send_ldap_result( op, rs ); if ( matched ) { monitor_cache_release( mi, matched ); + rs->sr_matched = NULL; } - return( 0 ); + return rs->sr_err; } - nentries = 0; - switch ( scope ) { + /* NOTE: __NEW__ "search" access is required + * on searchBase object */ + if ( !access_allowed_mask( op, e, slap_schema.si_ad_entry, + NULL, ACL_SEARCH, NULL, &mask ) ) + { + monitor_cache_release( mi, e ); + +#ifdef SLAP_ACL_HONOR_DISCLOSE + if ( !ACL_GRANT( mask, ACL_DISCLOSE ) ) { + rs->sr_err = LDAP_NO_SUCH_OBJECT; + } else +#endif /* SLAP_ACL_HONOR_DISCLOSE */ + { + rs->sr_err = LDAP_INSUFFICIENT_ACCESS; + } + + send_ldap_result( op, rs ); + + return rs->sr_err; + } + + rs->sr_attrs = op->oq_search.rs_attrs; + switch ( op->oq_search.rs_scope ) { case LDAP_SCOPE_BASE: - monitor_entry_update( mi, e ); - rc = test_filter( be, conn, op, e, filter ); - if ( rc == LDAP_COMPARE_TRUE ) { - send_search_entry( be, conn, op, e, attrs, - attrsonly, NULL ); - nentries = 1; + monitor_entry_update( op, rs, e ); + rc = test_filter( op, e, op->oq_search.rs_filter ); + if ( rc == LDAP_COMPARE_TRUE ) { + rs->sr_entry = e; + rs->sr_flags = 0; + send_search_entry( op, rs ); + rs->sr_entry = NULL; } + rc = LDAP_SUCCESS; monitor_cache_release( mi, e ); break; case LDAP_SCOPE_ONELEVEL: - rc = monitor_send_children( be, conn, op, filter, - attrs, attrsonly, - e, 0, &nentries ); - if ( rc ) { - // error - } - + rc = monitor_send_children( op, rs, e, 0 ); break; case LDAP_SCOPE_SUBTREE: - monitor_entry_update( mi, e ); - rc = test_filter( be, conn, op, e, filter ); + monitor_entry_update( op, rs, e ); + rc = test_filter( op, e, op->oq_search.rs_filter ); if ( rc == LDAP_COMPARE_TRUE ) { - send_search_entry( be, conn, op, e, attrs, - attrsonly, NULL ); - nentries++; - } - - rc = monitor_send_children( be, conn, op, filter, - attrs, attrsonly, - e, 1, &nentries ); - if ( rc ) { - // error + rs->sr_entry = e; + rs->sr_flags = 0; + send_search_entry( op, rs ); + rs->sr_entry = NULL; } + rc = monitor_send_children( op, rs, e, 1 ); break; } - - send_search_result( conn, op, LDAP_SUCCESS, - NULL, NULL, NULL, NULL, nentries ); - return( 0 ); + rs->sr_attrs = NULL; + rs->sr_err = rc; + if ( rs->sr_err != SLAPD_ABANDON ) { + send_ldap_result( op, rs ); + } + + return rs->sr_err; } +