X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fback-null%2Fnull.c;h=d358587f854a15fddca30713ce36bb6194225579;hb=7ff8baf1d365dd13d082c03c06d991049c424b9a;hp=d5096f5f52b41fabdb1d01c2fb855549aa816d3a;hpb=acbb5cf689a4336af05c9f259d909d8141055bac;p=openldap diff --git a/servers/slapd/back-null/null.c b/servers/slapd/back-null/null.c index d5096f5f52..d358587f85 100644 --- a/servers/slapd/back-null/null.c +++ b/servers/slapd/back-null/null.c @@ -2,7 +2,7 @@ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * - * Copyright 2002-2006 The OpenLDAP Foundation. + * Copyright 2002-2012 The OpenLDAP Foundation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -24,12 +24,35 @@ #include #include "slap.h" +#include "config.h" struct null_info { int ni_bind_allowed; ID ni_nextid; }; +static ConfigDriver null_cf_gen; + +static ConfigTable nullcfg[] = { + { "bind", "true|FALSE", 1, 2, 0, ARG_ON_OFF|ARG_MAGIC, + null_cf_gen, + "( OLcfgDbAt:8.1 NAME 'olcDbBindAllowed' " + "DESC 'Allow binds to this database' " + "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL }, + { NULL, NULL, 0, 0, 0, ARG_IGNORED, + NULL, NULL, NULL, NULL } +}; + +static ConfigOCs nullocs[] = { + { "( OLcfgDbOc:8.1 " + "NAME 'olcNullConfig' " + "DESC 'Null backend ocnfiguration' " + "SUP olcDatabaseConfig " + "MAY ( olcDbBindAllowed ) )", + Cft_Database, nullcfg }, + { NULL, 0, NULL } +}; + /* LDAP operations */ @@ -38,7 +61,7 @@ null_back_bind( Operation *op, SlapReply *rs ) { struct null_info *ni = (struct null_info *) op->o_bd->be_private; - if ( ni->ni_bind_allowed ) { + if ( ni->ni_bind_allowed || be_isroot_pw( op ) ) { /* front end will send result on success (0) */ return LDAP_SUCCESS; } @@ -49,22 +72,192 @@ null_back_bind( Operation *op, SlapReply *rs ) return rs->sr_err; } + +static int +null_back_respond( Operation *op, SlapReply *rs, int rc ) +{ + LDAPControl ctrl[SLAP_MAX_RESPONSE_CONTROLS], *ctrls[SLAP_MAX_RESPONSE_CONTROLS]; + int c = 0; + + BerElementBuffer ps_berbuf; + BerElement *ps_ber = NULL; + LDAPControl **preread_ctrl = NULL, + **postread_ctrl = NULL; + + rs->sr_err = LDAP_OTHER; + + /* this comes first, as in case of assertion failure + * any further processing must stop */ + if ( get_assert( op ) ) { + rs->sr_err = LDAP_ASSERTION_FAILED; + goto respond; + } + + if ( op->o_preread ) { + Entry e = { 0 }; + + switch ( op->o_tag ) { + case LDAP_REQ_MODIFY: + case LDAP_REQ_RENAME: + case LDAP_REQ_DELETE: + e.e_name = op->o_req_dn; + e.e_nname = op->o_req_ndn; + + preread_ctrl = &ctrls[c]; + *preread_ctrl = NULL; + + if ( slap_read_controls( op, rs, &e, + &slap_pre_read_bv, preread_ctrl ) ) + { + preread_ctrl = NULL; + + Debug( LDAP_DEBUG_TRACE, + "<=- null_back_respond: pre-read " + "failed!\n", 0, 0, 0 ); + + if ( op->o_preread & SLAP_CONTROL_CRITICAL ) { + /* FIXME: is it correct to abort + * operation if control fails? */ + goto respond; + } + + } else { + c++; + } + break; + } + } + + if ( op->o_postread ) { + Entry e = { 0 }; + + switch ( op->o_tag ) { + case LDAP_REQ_ADD: + case LDAP_REQ_MODIFY: + case LDAP_REQ_RENAME: + if ( op->o_tag == LDAP_REQ_ADD ) { + e.e_name = op->ora_e->e_name; + e.e_nname = op->ora_e->e_nname; + + } else { + e.e_name = op->o_req_dn; + e.e_nname = op->o_req_ndn; + } + + postread_ctrl = &ctrls[c]; + *postread_ctrl = NULL; + + if ( slap_read_controls( op, rs, &e, + &slap_post_read_bv, postread_ctrl ) ) + { + postread_ctrl = NULL; + + Debug( LDAP_DEBUG_TRACE, + "<=- null_back_respond: post-read " + "failed!\n", 0, 0, 0 ); + + if ( op->o_postread & SLAP_CONTROL_CRITICAL ) { + /* FIXME: is it correct to abort + * operation if control fails? */ + goto respond; + } + + } else { + c++; + } + break; + } + } + + if ( op->o_noop ) { + switch ( op->o_tag ) { + case LDAP_REQ_ADD: + case LDAP_REQ_MODIFY: + case LDAP_REQ_RENAME: + case LDAP_REQ_DELETE: + case LDAP_REQ_EXTENDED: + rc = LDAP_X_NO_OPERATION; + break; + } + } + + if ( get_pagedresults( op ) > SLAP_CONTROL_IGNORED ) { + struct berval cookie = BER_BVC( "" ); + + /* should not be here... */ + assert( op->o_tag == LDAP_REQ_SEARCH ); + + ctrl[c].ldctl_oid = LDAP_CONTROL_PAGEDRESULTS; + ctrl[c].ldctl_iscritical = 0; + + ps_ber = (BerElement *)&ps_berbuf; + ber_init2( ps_ber, NULL, LBER_USE_DER ); + + /* return size of 0 -- no estimate */ + ber_printf( ps_ber, "{iO}", 0, &cookie ); + + if ( ber_flatten2( ps_ber, &ctrl[c].ldctl_value, 0 ) == -1 ) { + goto done; + } + + ctrls[c] = &ctrl[c]; + c++; + } + + /* terminate controls array */ + ctrls[c] = NULL; + rs->sr_ctrls = ctrls; + rs->sr_err = rc; + +respond:; + send_ldap_result( op, rs ); + rs->sr_ctrls = NULL; + +done:; + if ( ps_ber != NULL ) { + (void) ber_free_buf( ps_ber ); + } + + if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) { + slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx ); + slap_sl_free( *preread_ctrl, op->o_tmpmemctx ); + } + + if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) { + slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx ); + slap_sl_free( *postread_ctrl, op->o_tmpmemctx ); + } + + return rs->sr_err; +} + /* add, delete, modify, modrdn, search */ static int null_back_success( Operation *op, SlapReply *rs ) { - rs->sr_err = LDAP_SUCCESS; - send_ldap_result( op, rs ); - return 0; + return null_back_respond( op, rs, LDAP_SUCCESS ); } /* compare */ static int null_back_false( Operation *op, SlapReply *rs ) { - rs->sr_err = LDAP_COMPARE_FALSE; - send_ldap_result( op, rs ); - return 0; + return null_back_respond( op, rs, LDAP_COMPARE_FALSE ); +} + + +/* for overlays */ +static int +null_back_entry_get( + Operation *op, + struct berval *ndn, + ObjectClass *oc, + AttributeDescription *at, + int rw, + Entry **ent ) +{ + /* don't admit the object isn't there */ + return oc || at ? LDAP_NO_SUCH_ATTRIBUTE : LDAP_BUSY; } @@ -83,6 +276,12 @@ null_tool_entry_close( BackendDB *be ) return 0; } +static ID +null_tool_entry_first_x( BackendDB *be, struct berval *base, int scope, Filter *f ) +{ + return NOID; +} + static ID null_tool_entry_next( BackendDB *be ) { @@ -112,51 +311,35 @@ null_tool_entry_put( BackendDB *be, Entry *e, struct berval *text ) /* Setup */ static int -null_back_db_config( - BackendDB *be, - const char *fname, - int lineno, - int argc, - char **argv ) +null_cf_gen( ConfigArgs *c ) { - struct null_info *ni = (struct null_info *) be->be_private; - - if ( ni == NULL ) { - fprintf( stderr, "%s: line %d: null database info is null!\n", - fname, lineno ); - return 1; - } + struct null_info *ni = (struct null_info *) c->be->be_private; - /* bind requests allowed */ - if ( strcasecmp( argv[0], "bind" ) == 0 ) { - if ( argc < 2 ) { - fprintf( stderr, - "%s: line %d: missing in \"bind \" line\n", - fname, lineno ); - return 1; - } - ni->ni_bind_allowed = strcasecmp( argv[1], "off" ); - - /* anything else */ - } else { - return SLAP_CONF_UNKNOWN; + if ( c->op == SLAP_CONFIG_EMIT ) { + c->value_int = ni->ni_bind_allowed; + return LDAP_SUCCESS; + } else if ( c->op == LDAP_MOD_DELETE ) { + ni->ni_bind_allowed = 0; + return LDAP_SUCCESS; } - return 0; + ni->ni_bind_allowed = c->value_int; + return LDAP_SUCCESS; } static int -null_back_db_init( BackendDB *be ) +null_back_db_init( BackendDB *be, ConfigReply *cr ) { struct null_info *ni = ch_calloc( 1, sizeof(struct null_info) ); ni->ni_bind_allowed = 0; ni->ni_nextid = 1; be->be_private = ni; + be->be_cf_ocs = be->bd_info->bi_cf_ocs; return 0; } static int -null_back_db_destroy( Backend *be ) +null_back_db_destroy( Backend *be, ConfigReply *cr ) { free( be->be_private ); return 0; @@ -166,13 +349,36 @@ null_back_db_destroy( Backend *be ) int null_back_initialize( BackendInfo *bi ) { + static char *controls[] = { + LDAP_CONTROL_ASSERT, + LDAP_CONTROL_MANAGEDSAIT, + LDAP_CONTROL_NOOP, + LDAP_CONTROL_PAGEDRESULTS, + LDAP_CONTROL_SUBENTRIES, + LDAP_CONTROL_PRE_READ, + LDAP_CONTROL_POST_READ, + LDAP_CONTROL_X_PERMISSIVE_MODIFY, + NULL + }; + + Debug( LDAP_DEBUG_TRACE, + "null_back_initialize: initialize null backend\n", 0, 0, 0 ); + + bi->bi_flags |= + SLAP_BFLAG_INCREMENT | + SLAP_BFLAG_SUBENTRIES | + SLAP_BFLAG_ALIASES | + SLAP_BFLAG_REFERRALS; + + bi->bi_controls = controls; + bi->bi_open = 0; bi->bi_close = 0; bi->bi_config = 0; bi->bi_destroy = 0; bi->bi_db_init = null_back_db_init; - bi->bi_db_config = null_back_db_config; + bi->bi_db_config = config_generic_wrapper; bi->bi_db_open = 0; bi->bi_db_close = 0; bi->bi_db_destroy = null_back_db_destroy; @@ -194,14 +400,18 @@ null_back_initialize( BackendInfo *bi ) bi->bi_connection_init = 0; bi->bi_connection_destroy = 0; + bi->bi_entry_get_rw = null_back_entry_get; + bi->bi_tool_entry_open = null_tool_entry_open; bi->bi_tool_entry_close = null_tool_entry_close; - bi->bi_tool_entry_first = null_tool_entry_next; + bi->bi_tool_entry_first = backend_tool_entry_first; + bi->bi_tool_entry_first_x = null_tool_entry_first_x; bi->bi_tool_entry_next = null_tool_entry_next; bi->bi_tool_entry_get = null_tool_entry_get; bi->bi_tool_entry_put = null_tool_entry_put; - return 0; + bi->bi_cf_ocs = nullocs; + return config_register_schema( nullcfg, nullocs ); } #if SLAPD_NULL == SLAPD_MOD_DYNAMIC