X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fback-ldbm%2Fbind.c;h=dce317876a1ff38e561713b5a045f244f8f78f0c;hb=4a107089d82ecdaca788fc6ecdef34d3d4fc19df;hp=dc8b873bf5c9b9ce3d4ff9d6ce40c90d5ae624b1;hpb=28c6217a12a7c497f21515f1050744ff716f386c;p=openldap diff --git a/servers/slapd/back-ldbm/bind.c b/servers/slapd/back-ldbm/bind.c index dc8b873bf5..dce317876a 100644 --- a/servers/slapd/back-ldbm/bind.c +++ b/servers/slapd/back-ldbm/bind.c @@ -1,8 +1,17 @@ /* bind.c - ldbm backend bind and unbind routines */ /* $OpenLDAP$ */ -/* - * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2005 The OpenLDAP Foundation. + * 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 the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * . */ #include "portable.h" @@ -20,200 +29,93 @@ int ldbm_back_bind( - Backend *be, - Connection *conn, Operation *op, - char *dn, - char *ndn, - int method, - char *mech, - struct berval *cred, - char** edn -) + SlapReply *rs ) { - struct ldbminfo *li = (struct ldbminfo *) be->be_private; + struct ldbminfo *li = (struct ldbminfo *) op->o_bd->be_private; Entry *e; Attribute *a; int rc; Entry *matched; #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND char krbname[MAX_K_NAME_SZ + 1]; + AttributeDescription *krbattr = slap_schema.si_ad_krbName; AUTH_DAT ad; #endif -#ifdef SLAPD_SCHEMA_NOT_COMPAT - static AttributeDescription *password = NULL; - static AttributeDescription *entry = NULL; -#else - static const char *password = "userpassword"; - static const char *entry = "entry"; -#endif + AttributeDescription *password = slap_schema.si_ad_userPassword; - Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_bind: dn: %s\n", dn, 0, 0); + Debug(LDAP_DEBUG_ARGS, + "==> ldbm_back_bind: dn: %s\n", op->o_req_dn.bv_val, 0, 0); - *edn = NULL; - dn = ndn; + if ( op->oq_bind.rb_method == LDAP_AUTH_SIMPLE && be_isroot_pw( op ) ) { + ber_dupbv( &op->oq_bind.rb_edn, be_root_dn( op->o_bd ) ); + /* front end will send result */ + return LDAP_SUCCESS; + } - /* get entry with reader lock */ - if ( (e = dn2entry_r( be, dn, &matched )) == NULL ) { - char *matched_dn = NULL; - struct berval **refs = NULL; + /* grab giant lock for reading */ + ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock); + /* get entry with reader lock */ + if ( (e = dn2entry_r( op->o_bd, &op->o_req_ndn, &matched )) == NULL ) { if( matched != NULL ) { - matched_dn = ch_strdup( matched->e_dn ); - - refs = is_entry_referral( matched ) - ? get_entry_referrals( be, conn, op, matched ) - : NULL; - cache_return_entry_r( &li->li_cache, matched ); - } else { - refs = default_referral; } + ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock); /* allow noauth binds */ rc = 1; - if ( method == LDAP_AUTH_SIMPLE ) { - if( cred->bv_len == 0 ) { - /* SUCCESS */ - send_ldap_result( conn, op, LDAP_SUCCESS, - NULL, NULL, NULL, NULL ); - - } else if ( be_isroot_pw( be, dn, cred ) ) { - *edn = ch_strdup( be_root_dn( be ) ); - rc = 0; /* front end will send result */ - - } else if ( refs != NULL ) { - send_ldap_result( conn, op, LDAP_REFERRAL, - matched_dn, NULL, refs, NULL ); - - } else { - send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS, - NULL, NULL, NULL, NULL ); - } - - } else if ( method == LDAP_AUTH_SASL ) { -#ifdef HAVE_CYRUS_SASL - rc = sasl_bind( be, conn, op, - dn, ndn, mech, cred, edn ); -#else - if( mech != NULL && strcasecmp(mech,"DIGEST-MD5") == 0 ) { - /* insert DIGEST calls here */ - send_ldap_result( conn, op, LDAP_AUTH_METHOD_NOT_SUPPORTED, - NULL, NULL, NULL, NULL ); - - } else { - send_ldap_result( conn, op, LDAP_AUTH_METHOD_NOT_SUPPORTED, - NULL, NULL, NULL, NULL ); - } -#endif /* HAVE_CYRUS_SASL */ - } else if ( refs != NULL ) { - send_ldap_result( conn, op, LDAP_REFERRAL, - matched_dn, NULL, refs, NULL ); - - } else { - send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS, - NULL, NULL, NULL, NULL ); - } - - if ( matched != NULL ) { - ber_bvecfree( refs ); - free( matched_dn ); - } - return( rc ); + rs->sr_err = LDAP_INVALID_CREDENTIALS; + send_ldap_result( op, rs ); + return rs->sr_err; } - *edn = ch_strdup( e->e_dn ); - /* check for deleted */ - - if ( ! access_allowed( be, conn, op, e, - entry, NULL, ACL_AUTH ) ) - { - send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS, - NULL, NULL, NULL, NULL ); - rc = 1; +#ifdef LDBM_SUBENTRIES + if ( is_entry_subentry( e ) ) { + /* entry is an subentry, don't allow bind */ + Debug( LDAP_DEBUG_TRACE, + "entry is subentry\n", 0, 0, 0 ); + rc = LDAP_INVALID_CREDENTIALS; goto return_results; } +#endif if ( is_entry_alias( e ) ) { /* entry is an alias, don't allow bind */ - Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, - 0, 0 ); - - send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM, - NULL, NULL, NULL, NULL ); + Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 ); - rc = 1; +#if 1 + rc = LDAP_INVALID_CREDENTIALS; +#else + rs->sr_text = "entry is alias"; + rc = LDAP_ALIAS_PROBLEM; +#endif goto return_results; } if ( is_entry_referral( e ) ) { /* entry is a referral, don't allow bind */ - struct berval **refs = get_entry_referrals( be, - conn, op, e ); - - Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0, - 0, 0 ); - - if( refs != NULL ) { - send_ldap_result( conn, op, LDAP_REFERRAL, - e->e_dn, NULL, refs, NULL ); - - } else { - send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS, - NULL, NULL, NULL, NULL ); - } + Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0, 0, 0 ); - ber_bvecfree( refs ); - - rc = 1; + rc = LDAP_INVALID_CREDENTIALS; goto return_results; } - switch ( method ) { + switch ( op->oq_bind.rb_method ) { case LDAP_AUTH_SIMPLE: - if ( cred->bv_len == 0 ) { - send_ldap_result( conn, op, LDAP_SUCCESS, - NULL, NULL, NULL, NULL ); - - /* stop front end from sending result */ - rc = 1; - goto return_results; - } - - /* check for root dn/passwd */ - if ( be_isroot_pw( be, dn, cred ) ) { - /* front end will send result */ - if(*edn != NULL) free( *edn ); - *edn = ch_strdup( be_root_dn( be ) ); - rc = 0; - goto return_results; - } - - if ( ! access_allowed( be, conn, op, e, - password, NULL, ACL_AUTH ) ) - { - send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS, - NULL, NULL, NULL, NULL ); - rc = 1; - goto return_results; - } - if ( (a = attr_find( e->e_attrs, password )) == NULL ) { - send_ldap_result( conn, op, LDAP_INAPPROPRIATE_AUTH, - NULL, NULL, NULL, NULL ); - /* stop front end from sending result */ - rc = 1; + rc = LDAP_INVALID_CREDENTIALS; goto return_results; } - if ( slap_passwd_check( a, cred ) != 0 ) { - send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS, - NULL, NULL, NULL, NULL ); - /* stop front end from sending result */ - rc = 1; + if ( slap_passwd_check( op, e, a, &op->oq_bind.rb_cred, + &rs->sr_text ) != 0 ) + { + /* failure; stop front end from sending result */ + rc = LDAP_INVALID_CREDENTIALS; goto return_results; } @@ -222,46 +124,32 @@ ldbm_back_bind( #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND case LDAP_AUTH_KRBV41: - if ( ! access_allowed( be, conn, op, e, - "krbname", NULL, ACL_AUTH ) ) + if ( krbv4_ldap_auth( op->o_bd, &op->oq_bind.rb_cred, &ad ) + != LDAP_SUCCESS ) { - send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS, - NULL, NULL, NULL, NULL ); - rc = 1; + rc = LDAP_INVALID_CREDENTIALS; goto return_results; } - if ( krbv4_ldap_auth( be, cred, &ad ) != LDAP_SUCCESS ) { - send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS, - NULL, NULL, NULL, NULL ); - rc = 1; - goto return_results; - } - - if ( ! access_allowed( be, conn, op, e, - "krbname", NULL, ACL_AUTH ) ) + if ( ! access_allowed( op, e, + krbattr, NULL, ACL_AUTH, NULL ) ) { - send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS, - NULL, NULL, NULL, NULL ); - rc = 1; + rc = LDAP_INSUFFICIENT_ACCESS; goto return_results; } sprintf( krbname, "%s%s%s@%s", ad.pname, *ad.pinst ? "." : "", ad.pinst, ad.prealm ); - - if ( (a = attr_find( e->e_attrs, "krbname" )) == NULL ) { + if ( (a = attr_find( e->e_attrs, krbattr )) == NULL ) { /* * no krbname values present: check against DN */ - if ( strcasecmp( dn, krbname ) == 0 ) { + if ( strcasecmp( op->o_req_dn.bv_val, krbname ) == 0 ) { rc = 0; break; } - send_ldap_result( conn, op, LDAP_INAPPROPRIATE_AUTH, - NULL, NULL, NULL, NULL ); - rc = 1; + rc = LDAP_INAPPROPRIATE_AUTH; goto return_results; } else { /* look for krbname match */ @@ -270,45 +158,39 @@ ldbm_back_bind( krbval.bv_val = krbname; krbval.bv_len = strlen( krbname ); - if ( value_find( a->a_vals, &krbval, a->a_syntax, 3 ) != 0 ) { - send_ldap_result( conn, op, - LDAP_INVALID_CREDENTIALS, - NULL, NULL, NULL, NULL ); - rc = 1; + if ( value_find( a->a_desc, a->a_vals, &krbval ) != 0 ) { + rc = LDAP_INVALID_CREDENTIALS; goto return_results; } } rc = 0; break; - - case LDAP_AUTH_KRBV42: - send_ldap_result( conn, op, LDAP_SUCCESS, - NULL, NULL, NULL, NULL ); - /* stop front end from sending result */ - rc = 1; - goto return_results; #endif - case LDAP_AUTH_SASL: - /* insert SASL code here */ -#ifdef HAVE_CYRUS_SASL - /* this may discard edn as we always prefer the SASL authzid - * because it may be sealed. - */ - rc = sasl_bind( be, conn, op, dn, ndn, mech, cred, edn ); -#endif /* HAVE_CYRUS_SASL */ default: - send_ldap_result( conn, op, LDAP_STRONG_AUTH_NOT_SUPPORTED, - NULL, "auth method not supported", NULL, NULL ); - rc = 1; + assert( 0 ); /* should not be reachable */ + rs->sr_text = "authentication method not supported"; + rc = LDAP_STRONG_AUTH_NOT_SUPPORTED; goto return_results; } + ber_dupbv( &op->oq_bind.rb_edn, &e->e_name ); + return_results:; /* free entry and reader lock */ cache_return_entry_r( &li->li_cache, e ); + ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock); + + if ( rc ) { + rs->sr_err = rc; + send_ldap_result( op, rs ); + if ( rs->sr_ref ) { + ber_bvarray_free( rs->sr_ref ); + rs->sr_ref = NULL; + } + } - /* front end with send result on success (rc==0) */ + /* front end will send result on success (rc==0) */ return( rc ); }