X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fcontrols.c;h=5699329c6efa64eb0c135f62086310cff94d8831;hb=021443bd5d355b8171dcbe4650c67507b9e1b83b;hp=8a022a0dd47e8c169a68c291ccfdfedac7ce5578;hpb=b54780f940cb54c02067bf1767cd232748961c5f;p=openldap diff --git a/servers/slapd/controls.c b/servers/slapd/controls.c index 8a022a0dd4..5699329c6e 100644 --- a/servers/slapd/controls.c +++ b/servers/slapd/controls.c @@ -1,13 +1,18 @@ /* $OpenLDAP$ */ -/* - * Copyright 1999-2003 The OpenLDAP Foundation. +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2005 The OpenLDAP Foundation. * All rights reserved. * - * Redistribution and use in source and binary forms are permitted only - * as authorized by the OpenLDAP Public License. A copy of this - * license is available at http://www.OpenLDAP.org/license.html or - * in file LICENSE in the top-level directory of the distribution. + * 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 the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * . */ + #include "portable.h" #include @@ -20,28 +25,40 @@ #include "../../libraries/liblber/lber-int.h" static SLAP_CTRL_PARSE_FN parseAssert; +static SLAP_CTRL_PARSE_FN parsePreRead; +static SLAP_CTRL_PARSE_FN parsePostRead; static SLAP_CTRL_PARSE_FN parseProxyAuthz; +#ifdef LDAP_DEVEL +static SLAP_CTRL_PARSE_FN parseManageDIT; +#endif static SLAP_CTRL_PARSE_FN parseManageDSAit; static SLAP_CTRL_PARSE_FN parseModifyIncrement; static SLAP_CTRL_PARSE_FN parseNoOp; static SLAP_CTRL_PARSE_FN parsePagedResults; +#ifdef LDAP_DEVEL +static SLAP_CTRL_PARSE_FN parseSortedResults; +#endif static SLAP_CTRL_PARSE_FN parseValuesReturnFilter; static SLAP_CTRL_PARSE_FN parsePermissiveModify; static SLAP_CTRL_PARSE_FN parseDomainScope; - -#ifdef LDAP_CONTROL_SUBENTRIES +static SLAP_CTRL_PARSE_FN parseTreeDelete; +static SLAP_CTRL_PARSE_FN parseSearchOptions; static SLAP_CTRL_PARSE_FN parseSubentries; -#endif -#ifdef LDAP_SYNC -static SLAP_CTRL_PARSE_FN parseLdupSync; -#endif #undef sc_mask /* avoid conflict with Irix 6.5 */ +const struct berval slap_pre_read_bv = BER_BVC(LDAP_CONTROL_PRE_READ); +const struct berval slap_post_read_bv = BER_BVC(LDAP_CONTROL_POST_READ); + +struct slap_control_ids slap_cids; + struct slap_control { /* Control OID */ char *sc_oid; + /* The controlID for this control */ + int sc_cid; + /* Operations supported by control */ slap_mask_t sc_mask; @@ -60,7 +77,19 @@ static LDAP_SLIST_HEAD(ControlsList, slap_control) controls_list /* * all known request control OIDs should be added to this list */ -char **slap_known_controls = NULL; +/* + * NOTE: initialize num_known_controls to 1 so that cid = 0 always + * addresses an undefined control; this allows to safely test for + * well known controls even if they are not registered, e.g. if + * they get moved to modules. An example is sc_LDAPsync, which + * is implemented in the syncprov overlay and thus, if configured + * as dynamic module, may not be registered. One side effect is that + * slap_known_controls[0] == NULL, so it should always be used + * starting from 1. + * FIXME: should we define the "undefined control" oid? + */ +char *slap_known_controls[SLAP_MAX_CIDS+1]; +static int num_known_controls = 1; static char *proxy_authz_extops[] = { LDAP_EXOP_MODIFY_PASSWD, @@ -69,50 +98,87 @@ static char *proxy_authz_extops[] = { }; static struct slap_control control_defs[] = { - { LDAP_CONTROL_ASSERT, - SLAP_CTRL_ACCESS, NULL, + { LDAP_CONTROL_ASSERT, + (int)offsetof(struct slap_control_ids, sc_assert), + SLAP_CTRL_HIDE|SLAP_CTRL_ACCESS, NULL, parseAssert, LDAP_SLIST_ENTRY_INITIALIZER(next) }, + { LDAP_CONTROL_PRE_READ, + (int)offsetof(struct slap_control_ids, sc_preRead), + SLAP_CTRL_HIDE|SLAP_CTRL_DELETE|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME, NULL, + parsePreRead, LDAP_SLIST_ENTRY_INITIALIZER(next) }, + { LDAP_CONTROL_POST_READ, + (int)offsetof(struct slap_control_ids, sc_postRead), + SLAP_CTRL_HIDE|SLAP_CTRL_ADD|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME, NULL, + parsePostRead, LDAP_SLIST_ENTRY_INITIALIZER(next) }, { LDAP_CONTROL_VALUESRETURNFILTER, - SLAP_CTRL_SEARCH, NULL, + (int)offsetof(struct slap_control_ids, sc_valuesReturnFilter), + SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH, NULL, parseValuesReturnFilter, LDAP_SLIST_ENTRY_INITIALIZER(next) }, -#ifdef LDAP_CONTROL_PAGEDRESULTS { LDAP_CONTROL_PAGEDRESULTS, + (int)offsetof(struct slap_control_ids, sc_pagedResults), SLAP_CTRL_SEARCH, NULL, parsePagedResults, LDAP_SLIST_ENTRY_INITIALIZER(next) }, +#ifdef LDAP_DEVEL + { LDAP_CONTROL_SORTREQUEST, + (int)offsetof(struct slap_control_ids, sc_sortedResults), + SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH|SLAP_CTRL_HIDE, NULL, + parseSortedResults, LDAP_SLIST_ENTRY_INITIALIZER(next) }, #endif #ifdef LDAP_CONTROL_X_DOMAIN_SCOPE { LDAP_CONTROL_X_DOMAIN_SCOPE, - SLAP_CTRL_FRONTEND|SLAP_CTRL_SEARCH, NULL, + (int)offsetof(struct slap_control_ids, sc_domainScope), + SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH, NULL, parseDomainScope, LDAP_SLIST_ENTRY_INITIALIZER(next) }, #endif #ifdef LDAP_CONTROL_X_PERMISSIVE_MODIFY { LDAP_CONTROL_X_PERMISSIVE_MODIFY, + (int)offsetof(struct slap_control_ids, sc_permissiveModify), SLAP_CTRL_MODIFY, NULL, parsePermissiveModify, LDAP_SLIST_ENTRY_INITIALIZER(next) }, #endif +#ifdef SLAP_CONTROL_X_TREE_DELETE + { LDAP_CONTROL_X_TREE_DELETE, + (int)offsetof(struct slap_control_ids, sc_treeDelete), + SLAP_CTRL_HIDE|SLAP_CTRL_DELETE, NULL, + parseTreeDelete, LDAP_SLIST_ENTRY_INITIALIZER(next) }, +#endif +#ifdef LDAP_CONTROL_X_SEARCH_OPTIONS + { LDAP_CONTROL_X_SEARCH_OPTIONS, + (int)offsetof(struct slap_control_ids, sc_searchOptions), + SLAP_CTRL_GLOBAL|SLAP_CTRL_SEARCH, NULL, + parseSearchOptions, LDAP_SLIST_ENTRY_INITIALIZER(next) }, +#endif #ifdef LDAP_CONTROL_SUBENTRIES { LDAP_CONTROL_SUBENTRIES, + (int)offsetof(struct slap_control_ids, sc_subentries), SLAP_CTRL_SEARCH, NULL, parseSubentries, LDAP_SLIST_ENTRY_INITIALIZER(next) }, #endif { LDAP_CONTROL_NOOP, - SLAP_CTRL_ACCESS, NULL, + (int)offsetof(struct slap_control_ids, sc_noOp), + SLAP_CTRL_HIDE|SLAP_CTRL_ACCESS, NULL, parseNoOp, LDAP_SLIST_ENTRY_INITIALIZER(next) }, -#ifdef LDAP_SYNC - { LDAP_CONTROL_SYNC, - SLAP_CTRL_HIDE|SLAP_CTRL_SEARCH, NULL, - parseLdupSync, LDAP_SLIST_ENTRY_INITIALIZER(next) }, -#endif +#ifdef LDAP_CONTROL_MODIFY_INCREMENT { LDAP_CONTROL_MODIFY_INCREMENT, - SLAP_CTRL_MODIFY, NULL, + (int)offsetof(struct slap_control_ids, sc_modifyIncrement), + SLAP_CTRL_HIDE|SLAP_CTRL_MODIFY, NULL, parseModifyIncrement, LDAP_SLIST_ENTRY_INITIALIZER(next) }, +#endif +#ifdef LDAP_DEVEL + { LDAP_CONTROL_MANAGEDIT, + (int)offsetof(struct slap_control_ids, sc_manageDIT), + SLAP_CTRL_GLOBAL|SLAP_CTRL_UPDATE, NULL, + parseManageDIT, LDAP_SLIST_ENTRY_INITIALIZER(next) }, +#endif { LDAP_CONTROL_MANAGEDSAIT, + (int)offsetof(struct slap_control_ids, sc_manageDSAit), SLAP_CTRL_ACCESS, NULL, parseManageDSAit, LDAP_SLIST_ENTRY_INITIALIZER(next) }, { LDAP_CONTROL_PROXY_AUTHZ, - SLAP_CTRL_FRONTEND|SLAP_CTRL_ACCESS, proxy_authz_extops, + (int)offsetof(struct slap_control_ids, sc_proxyAuthz), + SLAP_CTRL_GLOBAL|SLAP_CTRL_ACCESS, proxy_authz_extops, parseProxyAuthz, LDAP_SLIST_ENTRY_INITIALIZER(next) }, - { NULL, 0, NULL, 0, LDAP_SLIST_ENTRY_INITIALIZER(next) } + { NULL, 0, 0, NULL, 0, LDAP_SLIST_ENTRY_INITIALIZER(next) } }; /* @@ -125,19 +191,34 @@ int register_supported_control(const char *controloid, slap_mask_t controlmask, char **controlexops, - SLAP_CTRL_PARSE_FN *controlparsefn) + SLAP_CTRL_PARSE_FN *controlparsefn, + int *controlcid) { struct slap_control *sc; int i; - if ( controloid == NULL ) { - return LDAP_PARAM_ERROR; + if ( num_known_controls >= SLAP_MAX_CIDS ) { + Debug( LDAP_DEBUG_ANY, "Too many controls registered." + " Recompile slapd with SLAP_MAX_CIDS defined > %d\n", + SLAP_MAX_CIDS, 0, 0 ); + return LDAP_OTHER; } - sc = (struct slap_control *)SLAP_MALLOC( sizeof( *sc ) ); - if ( sc == NULL ) { - return LDAP_NO_MEMORY; + if ( controloid == NULL ) return LDAP_PARAM_ERROR; + + /* sanity check - should never happen */ + for ( i = 0; slap_known_controls[ i ]; i++ ) { + if ( strcmp( controloid, slap_known_controls[ i ] ) == 0 ) { + Debug( LDAP_DEBUG_ANY, + "Control %s already registered.\n", + controloid, 0, 0 ); + return LDAP_PARAM_ERROR; + } } + + sc = (struct slap_control *)SLAP_MALLOC( sizeof( *sc ) ); + if ( sc == NULL ) return LDAP_NO_MEMORY; + sc->sc_oid = ch_strdup( controloid ); sc->sc_mask = controlmask; if ( controlexops != NULL ) { @@ -151,32 +232,15 @@ register_supported_control(const char *controloid, } sc->sc_parse = controlparsefn; + if ( controlcid ) *controlcid = num_known_controls; + sc->sc_cid = num_known_controls; + /* Update slap_known_controls, too. */ - if ( slap_known_controls == NULL ) { - slap_known_controls = (char **)SLAP_MALLOC( 2 * sizeof(char *) ); - if ( slap_known_controls == NULL ) { - if ( sc->sc_extendedops != NULL ) ldap_charray_free( sc->sc_extendedops ); - ch_free( sc ); - return LDAP_NO_MEMORY; - } - slap_known_controls[0] = ch_strdup( sc->sc_oid ); - slap_known_controls[1] = NULL; - } else { - for ( i = 0; slap_known_controls[i] != NULL; i++ ) - ; - slap_known_controls = (char **)SLAP_REALLOC( slap_known_controls, (i + 2) * sizeof(char *) ); - if ( slap_known_controls == NULL ) { - if ( sc->sc_extendedops != NULL ) ldap_charray_free( sc->sc_extendedops ); - ch_free( sc ); - return LDAP_NO_MEMORY; - } - slap_known_controls[i++] = ch_strdup( sc->sc_oid ); - slap_known_controls[i] = NULL; - } + slap_known_controls[num_known_controls-1] = sc->sc_oid; + slap_known_controls[num_known_controls++] = NULL; LDAP_SLIST_NEXT( sc, sc_next ) = NULL; LDAP_SLIST_INSERT_HEAD( &controls_list, sc, sc_next ); - return LDAP_SUCCESS; } @@ -192,11 +256,11 @@ slap_controls_init( void ) rc = LDAP_SUCCESS; for ( i = 0; control_defs[i].sc_oid != NULL; i++ ) { + int *cid = (int *)(((char *)&slap_cids) + control_defs[i].sc_cid ); rc = register_supported_control( control_defs[i].sc_oid, control_defs[i].sc_mask, control_defs[i].sc_extendedops, - control_defs[i].sc_parse ); - if ( rc != LDAP_SUCCESS ) - break; + control_defs[i].sc_parse, cid ); + if ( rc != LDAP_SUCCESS ) break; } return rc; @@ -220,7 +284,6 @@ controls_destroy( void ) } ch_free( sc ); } - ldap_charray_free( slap_known_controls ); } /* @@ -322,10 +385,51 @@ find_ctrl( const char *oid ) return NULL; } +int +slap_find_control_id( + const char *oid, + int *cid ) +{ + struct slap_control *ctrl = find_ctrl( oid ); + if ( ctrl ) { + if ( cid ) *cid = ctrl->sc_cid; + return LDAP_SUCCESS; + } + return LDAP_CONTROL_NOT_FOUND; +} + +int +slap_global_control( Operation *op, const char *oid, int *cid ) +{ + struct slap_control *ctrl = find_ctrl( oid ); + + if ( ctrl == NULL ) { + /* should not be reachable */ + Debug( LDAP_DEBUG_ANY, + "slap_global_control: unrecognized control: %s\n", + oid, 0, 0 ); + return LDAP_CONTROL_NOT_FOUND; + } + + if ( cid ) *cid = ctrl->sc_cid; + + if ( ( ctrl->sc_mask & SLAP_CTRL_GLOBAL ) || + ( ( op->o_tag & LDAP_REQ_SEARCH ) && + ( ctrl->sc_mask & SLAP_CTRL_GLOBAL_SEARCH ) ) ) + { + return LDAP_COMPARE_TRUE; + } + + Debug( LDAP_DEBUG_TRACE, + "slap_global_control: unavailable control: %s\n", + oid, 0, 0 ); + + return LDAP_COMPARE_FALSE; +} + void slap_free_ctrls( Operation *op, - LDAPControl **ctrls -) + LDAPControl **ctrls ) { int i; @@ -365,13 +469,8 @@ int get_ctrls( goto return_results; } -#ifdef NEW_LOGGING - LDAP_LOG( OPERATION, ENTRY, - "get_ctrls: conn %lu\n", op->o_connid, 0, 0 ); -#else Debug( LDAP_DEBUG_TRACE, "=> get_ctrls\n", 0, 0, 0 ); -#endif if( op->o_protocol < LDAP_VERSION3 ) { rs->sr_err = SLAPD_DISCONNECT; @@ -429,13 +528,8 @@ int get_ctrls( c->ldctl_oid = bv.bv_val; if( tag == LBER_ERROR ) { -#ifdef NEW_LOGGING - LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu get OID failed.\n", - op->o_connid, 0, 0 ); -#else Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get oid failed.\n", 0, 0, 0 ); -#endif slap_free_ctrls( op, op->o_ctrls ); op->o_ctrls = NULL; @@ -444,15 +538,9 @@ int get_ctrls( goto return_results; } else if( c->ldctl_oid == NULL ) { -#ifdef NEW_LOGGING - LDAP_LOG( OPERATION, INFO, - "get_ctrls: conn %lu got emtpy OID.\n", - op->o_connid, 0, 0 ); -#else Debug( LDAP_DEBUG_TRACE, "get_ctrls: conn %lu got emtpy OID.\n", op->o_connid, 0, 0 ); -#endif slap_free_ctrls( op, op->o_ctrls ); op->o_ctrls = NULL; @@ -468,14 +556,8 @@ int get_ctrls( tag = ber_scanf( ber, "b", &crit ); if( tag == LBER_ERROR ) { -#ifdef NEW_LOGGING - LDAP_LOG( OPERATION, INFO, - "get_ctrls: conn %lu get crit failed.\n", - op->o_connid, 0, 0 ); -#else Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get crit failed.\n", 0, 0, 0 ); -#endif slap_free_ctrls( op, op->o_ctrls ); op->o_ctrls = NULL; rs->sr_err = SLAPD_DISCONNECT; @@ -491,17 +573,10 @@ int get_ctrls( tag = ber_scanf( ber, "m", &c->ldctl_value ); if( tag == LBER_ERROR ) { -#ifdef NEW_LOGGING - LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu: " - "%s (%scritical): get value failed.\n", - op->o_connid, c->ldctl_oid, - c->ldctl_iscritical ? "" : "non" ); -#else Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: conn %lu: " "%s (%scritical): get value failed.\n", op->o_connid, c->ldctl_oid, c->ldctl_iscritical ? "" : "non" ); -#endif slap_free_ctrls( op, op->o_ctrls ); op->o_ctrls = NULL; rs->sr_err = SLAPD_DISCONNECT; @@ -510,15 +585,9 @@ int get_ctrls( } } -#ifdef NEW_LOGGING - LDAP_LOG( OPERATION, INFO, - "get_ctrls: conn %lu oid=\"%s\" (%scritical)\n", - op->o_connid, c->ldctl_oid, c->ldctl_iscritical ? "" : "non" ); -#else Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: oid=\"%s\" (%scritical)\n", c->ldctl_oid, c->ldctl_iscritical ? "" : "non", 0 ); -#endif sc = find_ctrl( c->ldctl_oid ); if( sc != NULL ) { @@ -558,8 +627,8 @@ int get_ctrls( if( sc->sc_extendedops != NULL ) { int i; for( i=0; sc->sc_extendedops[i] != NULL; i++ ) { - if( strcmp( op->ore_reqoid.bv_val, sc->sc_extendedops[i] ) - == 0 ) + if( strcmp( op->ore_reqoid.bv_val, + sc->sc_extendedops[i] ) == 0 ) { tagmask=0L; break; @@ -575,6 +644,7 @@ int get_ctrls( if (( sc->sc_mask & tagmask ) == tagmask ) { /* available extension */ + int rc; if( !sc->sc_parse ) { rs->sr_err = LDAP_OTHER; @@ -582,19 +652,11 @@ int get_ctrls( goto return_results; } - rs->sr_err = sc->sc_parse( op, rs, c ); - - if( rs->sr_err != LDAP_SUCCESS ) goto return_results; - - if ( sc->sc_mask & SLAP_CTRL_FRONTEND ) { - /* kludge to disable backend_control() check */ - c->ldctl_iscritical = 0; - - } else if ( tagmask == SLAP_CTRL_SEARCH && - sc->sc_mask & SLAP_CTRL_FRONTEND_SEARCH ) - { - /* kludge to disable backend_control() check */ - c->ldctl_iscritical = 0; + rc = sc->sc_parse( op, rs, c ); + if ( rc ) { + assert( rc != LDAP_UNAVAILABLE_CRITICAL_EXTENSION ); + rs->sr_err = rc; + goto return_results; } } else if( c->ldctl_iscritical ) { @@ -610,18 +672,13 @@ int get_ctrls( rs->sr_text = "critical extension is not recognized"; goto return_results; } +next_ctrl:; } return_results: -#ifdef NEW_LOGGING - LDAP_LOG( OPERATION, RESULTS, - "get_ctrls: n=%d rc=%d err=\"%s\"\n", - nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : "" ); -#else Debug( LDAP_DEBUG_TRACE, "<= get_ctrls: n=%d rc=%d err=\"%s\"\n", nctrls, rs->sr_err, rs->sr_text ? rs->sr_text : ""); -#endif if( sendres && rs->sr_err != LDAP_SUCCESS ) { if( rs->sr_err == SLAPD_DISCONNECT ) { @@ -642,7 +699,7 @@ static int parseModifyIncrement ( LDAPControl *ctrl ) { #if 0 - if ( op->o_parseModifyIncrement != SLAP_NO_CONTROL ) { + if ( op->o_modifyIncrement != SLAP_CONTROL_NONE ) { rs->sr_text = "modifyIncrement control specified multiple times"; return LDAP_PROTOCOL_ERROR; } @@ -654,20 +711,44 @@ static int parseModifyIncrement ( } #if 0 - op->o_parseModifyIncrement = ctrl->ldctl_iscritical - ? SLAP_CRITICAL_CONTROL - : SLAP_NONCRITICAL_CONTROL; + op->o_modifyIncrement = ctrl->ldctl_iscritical + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; #endif return LDAP_SUCCESS; } +#ifdef LDAP_DEVEL +static int parseManageDIT ( + Operation *op, + SlapReply *rs, + LDAPControl *ctrl ) +{ + if ( op->o_managedit != SLAP_CONTROL_NONE ) { + rs->sr_text = "manageDIT control specified multiple times"; + return LDAP_PROTOCOL_ERROR; + } + + if ( ctrl->ldctl_value.bv_len ) { + rs->sr_text = "manageDIT control value not empty"; + return LDAP_PROTOCOL_ERROR; + } + + op->o_managedit = ctrl->ldctl_iscritical + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; + + return LDAP_SUCCESS; +} +#endif + static int parseManageDSAit ( Operation *op, SlapReply *rs, LDAPControl *ctrl ) { - if ( op->o_managedsait != SLAP_NO_CONTROL ) { + if ( op->o_managedsait != SLAP_CONTROL_NONE ) { rs->sr_text = "manageDSAit control specified multiple times"; return LDAP_PROTOCOL_ERROR; } @@ -678,8 +759,8 @@ static int parseManageDSAit ( } op->o_managedsait = ctrl->ldctl_iscritical - ? SLAP_CRITICAL_CONTROL - : SLAP_NONCRITICAL_CONTROL; + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; return LDAP_SUCCESS; } @@ -689,60 +770,44 @@ static int parseProxyAuthz ( SlapReply *rs, LDAPControl *ctrl ) { - int rc; - struct berval dn = { 0, NULL }; + int rc; + struct berval dn = BER_BVNULL; - if ( op->o_proxy_authz != SLAP_NO_CONTROL ) { + if ( op->o_proxy_authz != SLAP_CONTROL_NONE ) { rs->sr_text = "proxy authorization control specified multiple times"; return LDAP_PROTOCOL_ERROR; } op->o_proxy_authz = ctrl->ldctl_iscritical - ? SLAP_CRITICAL_CONTROL - : SLAP_NONCRITICAL_CONTROL; + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; -#ifdef NEW_LOGGING - LDAP_LOG( OPERATION, ARGS, - "parseProxyAuthz: conn %lu authzid=\"%s\"\n", - op->o_connid, - ctrl->ldctl_value.bv_len ? ctrl->ldctl_value.bv_val : "anonymous", - 0 ); -#else Debug( LDAP_DEBUG_ARGS, "parseProxyAuthz: conn %lu authzid=\"%s\"\n", op->o_connid, ctrl->ldctl_value.bv_len ? ctrl->ldctl_value.bv_val : "anonymous", 0 ); -#endif - if( ctrl->ldctl_value.bv_len == 0 ) { -#ifdef NEW_LOGGING - LDAP_LOG( OPERATION, RESULTS, - "parseProxyAuthz: conn=%lu anonymous\n", - op->o_connid, 0, 0 ); -#else + if ( ctrl->ldctl_value.bv_len == 0 ) { Debug( LDAP_DEBUG_TRACE, "parseProxyAuthz: conn=%lu anonymous\n", op->o_connid, 0, 0 ); -#endif /* anonymous */ - free( op->o_dn.bv_val ); - op->o_dn.bv_len = 0; - op->o_dn.bv_val = ch_strdup( "" ); - - free( op->o_ndn.bv_val ); + op->o_ndn.bv_val[ 0 ] = '\0'; op->o_ndn.bv_len = 0; - op->o_ndn.bv_val = ch_strdup( "" ); + + op->o_dn.bv_val[ 0 ] = '\0'; + op->o_dn.bv_len = 0; return LDAP_SUCCESS; } - rc = slap_sasl_getdn( op->o_conn, op, - ctrl->ldctl_value.bv_val, ctrl->ldctl_value.bv_len, - NULL, &dn, SLAP_GETDN_AUTHZID ); + rc = slap_sasl_getdn( op->o_conn, op, &ctrl->ldctl_value, + NULL, &dn, SLAP_GETDN_AUTHZID ); - if( rc != LDAP_SUCCESS || !dn.bv_len ) { + /* FIXME: empty DN in proxyAuthz control should be legal... */ + if( rc != LDAP_SUCCESS /* || !dn.bv_len */ ) { if ( dn.bv_val ) { ch_free( dn.bv_val ); } @@ -750,38 +815,33 @@ static int parseProxyAuthz ( return LDAP_PROXY_AUTHZ_FAILURE; } -#ifdef NEW_LOGGING - LDAP_LOG( OPERATION, RESULTS, - "parseProxyAuthz: conn=%lu \"%s\"\n", - op->o_connid, - dn.bv_len ? dn.bv_val : "(NULL)", 0 ); -#else Debug( LDAP_DEBUG_TRACE, "parseProxyAuthz: conn=%lu \"%s\"\n", op->o_connid, dn.bv_len ? dn.bv_val : "(NULL)", 0 ); -#endif rc = slap_sasl_authorized( op, &op->o_ndn, &dn ); - if( rc ) { + if ( rc ) { ch_free( dn.bv_val ); rs->sr_text = "not authorized to assume identity"; return LDAP_PROXY_AUTHZ_FAILURE; } - ch_free( op->o_dn.bv_val ); ch_free( op->o_ndn.bv_val ); - - op->o_dn.bv_val = NULL; - op->o_ndn = dn; + ch_free( op->o_dn.bv_val ); /* * NOTE: since slap_sasl_getdn() returns a normalized dn, * from now on op->o_dn is normalized */ + op->o_ndn = dn; ber_dupbv( &op->o_dn, &dn ); + + Statslog( LDAP_DEBUG_STATS, "%s PROXYAUTHZ dn=\"%s\"\n", + op->o_log_prefix, dn.bv_val, 0, 0, 0 ); + return LDAP_SUCCESS; } @@ -790,7 +850,7 @@ static int parseNoOp ( SlapReply *rs, LDAPControl *ctrl ) { - if ( op->o_noop != SLAP_NO_CONTROL ) { + if ( op->o_noop != SLAP_CONTROL_NONE ) { rs->sr_text = "noop control specified multiple times"; return LDAP_PROTOCOL_ERROR; } @@ -801,29 +861,30 @@ static int parseNoOp ( } op->o_noop = ctrl->ldctl_iscritical - ? SLAP_CRITICAL_CONTROL - : SLAP_NONCRITICAL_CONTROL; + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; return LDAP_SUCCESS; } -#ifdef LDAP_CONTROL_PAGEDRESULTS static int parsePagedResults ( Operation *op, SlapReply *rs, LDAPControl *ctrl ) { - ber_tag_t tag; - ber_int_t size; - BerElement *ber; - struct berval cookie = { 0, NULL }; + int rc = LDAP_SUCCESS; + ber_tag_t tag; + ber_int_t size; + BerElement *ber; + struct berval cookie = BER_BVNULL; + PagedResultsState *ps; - if ( op->o_pagedresults != SLAP_NO_CONTROL ) { + if ( op->o_pagedresults != SLAP_CONTROL_NONE ) { rs->sr_text = "paged results control specified multiple times"; return LDAP_PROTOCOL_ERROR; } - if ( ctrl->ldctl_value.bv_len == 0 ) { + if ( BER_BVISEMPTY( &ctrl->ldctl_value ) ) { rs->sr_text = "paged results control value is empty (or absent)"; return LDAP_PROTOCOL_ERROR; } @@ -837,56 +898,122 @@ static int parsePagedResults ( * } */ ber = ber_init( &ctrl->ldctl_value ); - if( ber == NULL ) { + if ( ber == NULL ) { rs->sr_text = "internal error"; return LDAP_OTHER; } tag = ber_scanf( ber, "{im}", &size, &cookie ); - (void) ber_free( ber, 1 ); - if( tag == LBER_ERROR ) { + if ( tag == LBER_ERROR ) { rs->sr_text = "paged results control could not be decoded"; - return LDAP_PROTOCOL_ERROR; + rc = LDAP_PROTOCOL_ERROR; + goto done; } - if( size < 0 ) { + if ( size < 0 ) { rs->sr_text = "paged results control size invalid"; - return LDAP_PROTOCOL_ERROR; + rc = LDAP_PROTOCOL_ERROR; + goto done; } - if( cookie.bv_len ) { +#if 0 + /* defer cookie decoding/checks to backend... */ + if ( cookie.bv_len ) { PagedResultsCookie reqcookie; if( cookie.bv_len != sizeof( reqcookie ) ) { /* bad cookie */ rs->sr_text = "paged results cookie is invalid"; - return LDAP_PROTOCOL_ERROR; + rc = LDAP_PROTOCOL_ERROR; + goto done; } AC_MEMCPY( &reqcookie, cookie.bv_val, sizeof( reqcookie )); - if( reqcookie > op->o_pagedresults_state.ps_cookie ) { + if ( reqcookie > op->o_pagedresults_state.ps_cookie ) { /* bad cookie */ rs->sr_text = "paged results cookie is invalid"; - return LDAP_PROTOCOL_ERROR; + rc = LDAP_PROTOCOL_ERROR; + goto done; - } else if( reqcookie < op->o_pagedresults_state.ps_cookie ) { + } else if ( reqcookie < op->o_pagedresults_state.ps_cookie ) { rs->sr_text = "paged results cookie is invalid or old"; - return LDAP_UNWILLING_TO_PERFORM; + rc = LDAP_UNWILLING_TO_PERFORM; + goto done; } + } else { /* Initial request. Initialize state. */ +#if 0 + if ( op->o_conn->c_pagedresults_state.ps_cookie != 0 ) { + /* There's another pagedResults control on the + * same connection; reject new pagedResults controls + * (allowed by RFC2696) */ + rs->sr_text = "paged results cookie unavailable; try later"; + rc = LDAP_UNWILLING_TO_PERFORM; + goto done; + } +#endif op->o_pagedresults_state.ps_cookie = 0; - op->o_pagedresults_state.ps_id = NOID; + op->o_pagedresults_state.ps_count = 0; } +#endif - op->o_pagedresults_size = size; + ps = op->o_tmpalloc( sizeof(PagedResultsState), op->o_tmpmemctx ); + *ps = op->o_conn->c_pagedresults_state; + ps->ps_size = size; + op->o_pagedresults_state = ps; - op->o_pagedresults = ctrl->ldctl_iscritical - ? SLAP_CRITICAL_CONTROL - : SLAP_NONCRITICAL_CONTROL; + /* NOTE: according to RFC 2696 3.: - return LDAP_SUCCESS; + If the page size is greater than or equal to the sizeLimit value, the + server should ignore the control as the request can be satisfied in a + single page. + + * NOTE: this assumes that the op->ors_slimit be set + * before the controls are parsed. + */ + + if ( op->ors_slimit > 0 && size >= op->ors_slimit ) { + op->o_pagedresults = SLAP_CONTROL_IGNORED; + + } else if ( ctrl->ldctl_iscritical ) { + op->o_pagedresults = SLAP_CONTROL_CRITICAL; + + } else { + op->o_pagedresults = SLAP_CONTROL_NONCRITICAL; + } + +done:; + (void)ber_free( ber, 1 ); + return rc; +} + +#ifdef LDAP_DEVEL +static int parseSortedResults ( + Operation *op, + SlapReply *rs, + LDAPControl *ctrl ) +{ + int rc = LDAP_SUCCESS; + + if ( op->o_sortedresults != SLAP_CONTROL_NONE ) { + rs->sr_text = "sorted results control specified multiple times"; + return LDAP_PROTOCOL_ERROR; + } + + if ( BER_BVISEMPTY( &ctrl->ldctl_value ) ) { + rs->sr_text = "sorted results control value is empty (or absent)"; + return LDAP_PROTOCOL_ERROR; + } + + /* blow off parsing the value */ + + op->o_sortedresults = ctrl->ldctl_iscritical + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; + + return rc; } #endif @@ -896,10 +1023,10 @@ static int parseAssert ( LDAPControl *ctrl ) { BerElement *ber; - struct berval fstr = { 0, NULL }; + struct berval fstr = BER_BVNULL; const char *err_msg = ""; - if ( op->o_assert != SLAP_NO_CONTROL ) { + if ( op->o_assert != SLAP_CONTROL_NONE ) { rs->sr_text = "assert control specified multiple times"; return LDAP_PROTOCOL_ERROR; } @@ -911,11 +1038,11 @@ static int parseAssert ( ber = ber_init( &(ctrl->ldctl_value) ); if (ber == NULL) { - rs->sr_text = "internal error"; + rs->sr_text = "assert control: internal error"; return LDAP_OTHER; } - rs->sr_err = get_filter( op, ber, &(op->o_assertion), &rs->sr_text); + rs->sr_err = get_filter( op, ber, (Filter **)&(op->o_assertion), &rs->sr_text); if( rs->sr_err != LDAP_SUCCESS ) { if( rs->sr_err == SLAPD_DISCONNECT ) { @@ -925,29 +1052,139 @@ static int parseAssert ( } else { send_ldap_result( op, rs ); } - if( op->o_assertion != NULL) { - filter_free_x( op, op->o_assertion ); + if( op->o_assertion != NULL ) { + filter_free_x( op, op->o_assertion ); } + return rs->sr_err; } + #ifdef LDAP_DEBUG - else { - filter2bv_x( op, op->o_assertion, &fstr ); - } + filter2bv_x( op, op->o_assertion, &fstr ); -#ifdef NEW_LOGGING - LDAP_LOG( OPERATION, ARGS, - "parseAssert: conn %ld assert: %s\n", - op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 ); -#else Debug( LDAP_DEBUG_ARGS, "parseAssert: conn %ld assert: %s\n", op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 ); -#endif op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx ); #endif op->o_assert = ctrl->ldctl_iscritical - ? SLAP_CRITICAL_CONTROL - : SLAP_NONCRITICAL_CONTROL; + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; + + rs->sr_err = LDAP_SUCCESS; + return LDAP_SUCCESS; +} + +static int parsePreRead ( + Operation *op, + SlapReply *rs, + LDAPControl *ctrl ) +{ + ber_len_t siz, off, i; + AttributeName *an = NULL; + BerElement *ber; + + if ( op->o_preread != SLAP_CONTROL_NONE ) { + rs->sr_text = "preread control specified multiple times"; + return LDAP_PROTOCOL_ERROR; + } + + if ( ctrl->ldctl_value.bv_len == 0 ) { + rs->sr_text = "preread control value is empty (or absent)"; + return LDAP_PROTOCOL_ERROR; + } + + ber = ber_init( &(ctrl->ldctl_value) ); + if (ber == NULL) { + rs->sr_text = "preread control: internal error"; + return LDAP_OTHER; + } + + siz = sizeof( AttributeName ); + off = offsetof( AttributeName, an_name ); + if ( ber_scanf( ber, "{M}", &an, &siz, off ) == LBER_ERROR ) { + rs->sr_text = "preread control: decoding error"; + return LDAP_PROTOCOL_ERROR; + } + + for( i=0; ildctl_iscritical ) { + rs->sr_text = dummy + ? dummy + : "postread control: unknown attributeType"; + return rc; + } + } + + op->o_preread = ctrl->ldctl_iscritical + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; + + op->o_preread_attrs = an; + + rs->sr_err = LDAP_SUCCESS; + return LDAP_SUCCESS; +} + +static int parsePostRead ( + Operation *op, + SlapReply *rs, + LDAPControl *ctrl ) +{ + ber_len_t siz, off, i; + AttributeName *an = NULL; + BerElement *ber; + + if ( op->o_postread != SLAP_CONTROL_NONE ) { + rs->sr_text = "postread control specified multiple times"; + return LDAP_PROTOCOL_ERROR; + } + + if ( ctrl->ldctl_value.bv_len == 0 ) { + rs->sr_text = "postread control value is empty (or absent)"; + return LDAP_PROTOCOL_ERROR; + } + + ber = ber_init( &(ctrl->ldctl_value) ); + if (ber == NULL) { + rs->sr_text = "postread control: internal error"; + return LDAP_OTHER; + } + + siz = sizeof( AttributeName ); + off = offsetof( AttributeName, an_name ); + if ( ber_scanf( ber, "{M}", &an, &siz, off ) == LBER_ERROR ) { + rs->sr_text = "postread control: decoding error"; + return LDAP_PROTOCOL_ERROR; + } + + for( i=0; ildctl_iscritical ) { + rs->sr_text = dummy + ? dummy + : "postread control: unknown attributeType"; + return rc; + } + } + + op->o_postread = ctrl->ldctl_iscritical + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; + + op->o_postread_attrs = an; rs->sr_err = LDAP_SUCCESS; return LDAP_SUCCESS; @@ -959,10 +1196,10 @@ int parseValuesReturnFilter ( LDAPControl *ctrl ) { BerElement *ber; - struct berval fstr = { 0, NULL }; + struct berval fstr = BER_BVNULL; const char *err_msg = ""; - if ( op->o_valuesreturnfilter != SLAP_NO_CONTROL ) { + if ( op->o_valuesreturnfilter != SLAP_CONTROL_NONE ) { rs->sr_text = "valuesReturnFilter control specified multiple times"; return LDAP_PROTOCOL_ERROR; } @@ -978,7 +1215,7 @@ int parseValuesReturnFilter ( return LDAP_OTHER; } - rs->sr_err = get_vrFilter( op, ber, &(op->o_vrFilter), &rs->sr_text); + rs->sr_err = get_vrFilter( op, ber, (ValuesReturnFilter **)&(op->o_vrFilter), &rs->sr_text); if( rs->sr_err != LDAP_SUCCESS ) { if( rs->sr_err == SLAPD_DISCONNECT ) { @@ -989,27 +1226,20 @@ int parseValuesReturnFilter ( send_ldap_result( op, rs ); } if( op->o_vrFilter != NULL) vrFilter_free( op, op->o_vrFilter ); - } #ifdef LDAP_DEBUG else { vrFilter2bv( op, op->o_vrFilter, &fstr ); } -#ifdef NEW_LOGGING - LDAP_LOG( OPERATION, ARGS, - "parseValuesReturnFilter: conn %d vrFilter: %s\n", - op->o_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 ); -#else Debug( LDAP_DEBUG_ARGS, " vrFilter: %s\n", fstr.bv_len ? fstr.bv_val : "empty", 0, 0 ); -#endif op->o_tmpfree( fstr.bv_val, op->o_tmpmemctx ); #endif op->o_valuesreturnfilter = ctrl->ldctl_iscritical - ? SLAP_CRITICAL_CONTROL - : SLAP_NONCRITICAL_CONTROL; + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; rs->sr_err = LDAP_SUCCESS; return LDAP_SUCCESS; @@ -1021,25 +1251,27 @@ static int parseSubentries ( SlapReply *rs, LDAPControl *ctrl ) { - if ( op->o_subentries != SLAP_NO_CONTROL ) { + if ( op->o_subentries != SLAP_CONTROL_NONE ) { rs->sr_text = "subentries control specified multiple times"; return LDAP_PROTOCOL_ERROR; } /* FIXME: should use BER library */ if( ( ctrl->ldctl_value.bv_len != 3 ) - && ( ctrl->ldctl_value.bv_val[0] != 0x01 ) - && ( ctrl->ldctl_value.bv_val[1] != 0x01 )) + || ( ctrl->ldctl_value.bv_val[0] != 0x01 ) + || ( ctrl->ldctl_value.bv_val[1] != 0x01 )) { rs->sr_text = "subentries control value encoding is bogus"; return LDAP_PROTOCOL_ERROR; } op->o_subentries = ctrl->ldctl_iscritical - ? SLAP_CRITICAL_CONTROL - : SLAP_NONCRITICAL_CONTROL; + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; - op->o_subentries_visibility = (ctrl->ldctl_value.bv_val[2] != 0x00); + if (ctrl->ldctl_value.bv_val[2]) { + set_subentries_visibility( op ); + } return LDAP_SUCCESS; } @@ -1051,7 +1283,7 @@ static int parsePermissiveModify ( SlapReply *rs, LDAPControl *ctrl ) { - if ( op->o_permissive_modify != SLAP_NO_CONTROL ) { + if ( op->o_permissive_modify != SLAP_CONTROL_NONE ) { rs->sr_text = "permissiveModify control specified multiple times"; return LDAP_PROTOCOL_ERROR; } @@ -1062,8 +1294,8 @@ static int parsePermissiveModify ( } op->o_permissive_modify = ctrl->ldctl_iscritical - ? SLAP_CRITICAL_CONTROL - : SLAP_NONCRITICAL_CONTROL; + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; return LDAP_SUCCESS; } @@ -1075,7 +1307,7 @@ static int parseDomainScope ( SlapReply *rs, LDAPControl *ctrl ) { - if ( op->o_domain_scope != SLAP_NO_CONTROL ) { + if ( op->o_domain_scope != SLAP_CONTROL_NONE ) { rs->sr_text = "domainScope control specified multiple times"; return LDAP_PROTOCOL_ERROR; } @@ -1086,97 +1318,87 @@ static int parseDomainScope ( } op->o_domain_scope = ctrl->ldctl_iscritical - ? SLAP_CRITICAL_CONTROL - : SLAP_NONCRITICAL_CONTROL; + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; return LDAP_SUCCESS; } #endif -#ifdef LDAP_SYNC -static int parseLdupSync ( +#ifdef LDAP_CONTROL_X_TREE_DELETE +static int parseTreeDelete ( Operation *op, SlapReply *rs, LDAPControl *ctrl ) { - ber_tag_t tag; - BerElement *ber; - ber_int_t mode; - ber_len_t len; - struct berval cookie = { 0, NULL }; + if ( op->o_tree_delete != SLAP_CONTROL_NONE ) { + rs->sr_text = "treeDelete control specified multiple times"; + return LDAP_PROTOCOL_ERROR; + } - if ( op->o_sync != SLAP_NO_CONTROL ) { - rs->sr_text = "LDAP Sync control specified multiple times"; + if ( ctrl->ldctl_value.bv_len ) { + rs->sr_text = "treeDelete control value not empty"; return LDAP_PROTOCOL_ERROR; } + op->o_tree_delete = ctrl->ldctl_iscritical + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; + + return LDAP_SUCCESS; +} +#endif + +#ifdef LDAP_CONTROL_X_SEARCH_OPTIONS +static int parseSearchOptions ( + Operation *op, + SlapReply *rs, + LDAPControl *ctrl ) +{ + BerElement *ber; + ber_int_t search_flags; + ber_tag_t tag; + if ( ctrl->ldctl_value.bv_len == 0 ) { - rs->sr_text = "LDAP Sync control value is empty (or absent)"; + rs->sr_text = "searchOptions control value not empty"; return LDAP_PROTOCOL_ERROR; } - /* Parse the control value - * syncRequestValue ::= SEQUENCE { - * mode ENUMERATED { - * -- 0 unused - * refreshOnly (1), - * -- 2 reserved - * refreshAndPersist (3) - * }, - * cookie syncCookie OPTIONAL - * } - */ - ber = ber_init( &ctrl->ldctl_value ); if( ber == NULL ) { rs->sr_text = "internal error"; return LDAP_OTHER; } - if ( (tag = ber_scanf( ber, "{i" /*}*/, &mode )) == LBER_ERROR ) { - rs->sr_text = "LDAP Sync control : mode decoding error"; - return LDAP_PROTOCOL_ERROR; - } - - switch( mode ) { - case LDAP_SYNC_REFRESH_ONLY: - mode = SLAP_SYNC_REFRESH; - break; - case LDAP_SYNC_REFRESH_AND_PERSIST: - mode = SLAP_SYNC_REFRESH_AND_PERSIST; - break; - default: - rs->sr_text = "LDAP Sync control : unknown update mode"; + if ( (tag = ber_scanf( ber, "{i}", &search_flags )) == LBER_ERROR ) { + rs->sr_text = "searchOptions control decoding error"; return LDAP_PROTOCOL_ERROR; } - tag = ber_peek_tag( ber, &len ); + (void) ber_free( ber, 1 ); - if ( tag == LDAP_SYNC_TAG_COOKIE ) { - if (( ber_scanf( ber, /*{*/ "m}", - &cookie )) == LBER_ERROR ) { - rs->sr_text = "LDAP Sync control : cookie decoding error"; - return LDAP_PROTOCOL_ERROR; - } - } else { - if (( ber_scanf( ber, /*{*/ "}")) == LBER_ERROR ) { - rs->sr_text = "LDAP Sync control : decoding error"; + if ( search_flags & LDAP_SEARCH_FLAG_DOMAIN_SCOPE ) { + if ( op->o_domain_scope != SLAP_CONTROL_NONE ) { + rs->sr_text = "searchOptions control specified multiple times " + "or with domainScope control"; return LDAP_PROTOCOL_ERROR; } - cookie.bv_len = 0; - cookie.bv_val = NULL; - } - - ber_dupbv( &op->o_sync_state, &cookie ); - - (void) ber_free( ber, 1 ); - op->o_sync_mode = (char) mode; + op->o_domain_scope = ctrl->ldctl_iscritical + ? SLAP_CONTROL_CRITICAL + : SLAP_CONTROL_NONCRITICAL; + } - op->o_sync = ctrl->ldctl_iscritical - ? SLAP_CRITICAL_CONTROL - : SLAP_NONCRITICAL_CONTROL; + if ( search_flags & ~(LDAP_SEARCH_FLAG_DOMAIN_SCOPE) ) { + /* Other search flags not recognised so far, + * including: + * LDAP_SEARCH_FLAG_PHANTOM_ROOM + */ + rs->sr_text = "searchOptions contained unrecongized flag"; + return LDAP_UNWILLING_TO_PERFORM; + } return LDAP_SUCCESS; } #endif +