X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fback-ldap%2Fconfig.c;h=16e1cd0a5c3674f57cedfba9ed86ac6d2db742f9;hb=00dae75f7b48b6bab23503d211deb7650aba8c1b;hp=f493b0d8e53fddd747b7cd851960da331992bf4c;hpb=74fa239a201cd2d785fe34bdbaf6804161bdb231;p=openldap diff --git a/servers/slapd/back-ldap/config.c b/servers/slapd/back-ldap/config.c index f493b0d8e5..16e1cd0a5c 100644 --- a/servers/slapd/back-ldap/config.c +++ b/servers/slapd/back-ldap/config.c @@ -1,38 +1,24 @@ /* config.c - ldap backend configuration file routine */ /* $OpenLDAP$ */ -/* - * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file - */ -/* This is an altered version */ -/* - * Copyright 1999, Howard Chu, All rights reserved. - * - * 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 is 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. - * - * 4. This notice may not be removed or altered. +/* This work is part of OpenLDAP Software . * + * Copyright 2003-2005 The OpenLDAP Foundation. + * Portions Copyright 1999-2003 Howard Chu. + * Portions Copyright 2000-2003 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. * - * Copyright 2000, Pierangelo Masarati, All rights reserved. - * - * This software is being modified by Pierangelo Masarati. - * The previously reported conditions apply to the modified code as well. - * Changes in the original code are highlighted where required. - * Credits for the original code go to the author, Howard Chu. + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * . + */ +/* ACKNOWLEDGEMENTS: + * This work was initially developed by the Howard Chu for inclusion + * in OpenLDAP Software and subsequently enhanced by Pierangelo + * Masarati. */ #include "portable.h" @@ -40,543 +26,2158 @@ #include #include +#include #include #include "slap.h" +#include "config.h" #include "back-ldap.h" +#include "lutil.h" +#include "ldif.h" +#undef ldap_debug +/* for advanced URL parsing */ +#include "../../../libraries/libldap/ldap-int.h" + +static SLAP_EXTOP_MAIN_FN ldap_back_exop_whoami; + +static ConfigDriver ldap_back_cf_gen; + +enum { + LDAP_BACK_CFG_URI = 1, + LDAP_BACK_CFG_TLS, + LDAP_BACK_CFG_ACL_AUTHCDN, + LDAP_BACK_CFG_ACL_PASSWD, + LDAP_BACK_CFG_ACL_METHOD, + LDAP_BACK_CFG_ACL_BIND, + LDAP_BACK_CFG_IDASSERT_MODE, + LDAP_BACK_CFG_IDASSERT_AUTHCDN, + LDAP_BACK_CFG_IDASSERT_PASSWD, + LDAP_BACK_CFG_IDASSERT_AUTHZFROM, + LDAP_BACK_CFG_IDASSERT_METHOD, + LDAP_BACK_CFG_IDASSERT_BIND, + LDAP_BACK_CFG_REBIND, + LDAP_BACK_CFG_CHASE, + LDAP_BACK_CFG_T_F, + LDAP_BACK_CFG_WHOAMI, + LDAP_BACK_CFG_REWRITE +}; + +static ConfigTable ldapcfg[] = { + { "uri", "uri", 2, 2, 0, + ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_URI, + ldap_back_cf_gen, "( OLcfgDbAt:0.14 " + "NAME 'olcDbURI' " + "DESC 'URI (list) for remote DSA' " + "SYNTAX OMsDirectoryString " + "SINGLE-VALUE )", + NULL, NULL }, + { "tls", "what", 2, 2, 0, + ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_TLS, + ldap_back_cf_gen, "( OLcfgDbAt:3.1 " + "NAME 'olcDbStartTLS' " + "DESC 'StartTLS' " + "SYNTAX OMsDirectoryString " + "SINGLE-VALUE )", + NULL, NULL }, + { "acl-authcDN", "DN", 2, 2, 0, + ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN, + ldap_back_cf_gen, "( OLcfgDbAt:3.2 " + "NAME 'olcDbACLAuthcDn' " + "DESC 'Remote ACL administrative identity' " + "OBSOLETE " + "SYNTAX OMsDN " + "SINGLE-VALUE )", + NULL, NULL }, + /* deprecated; aliases "acl-authcDN" */ + { "binddn", "DN", 2, 2, 0, + ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_ACL_AUTHCDN, + ldap_back_cf_gen, NULL, NULL, NULL }, + { "acl-passwd", "cred", 2, 2, 0, + ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD, + ldap_back_cf_gen, "( OLcfgDbAt:3.3 " + "NAME 'olcDbACLPasswd' " + "DESC 'Remote ACL administrative identity credentials' " + "OBSOLETE " + "SYNTAX OMsDirectoryString " + "SINGLE-VALUE )", + NULL, NULL }, + /* deprecated; aliases "acl-passwd" */ + { "bindpw", "cred", 2, 2, 0, + ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_ACL_PASSWD, + ldap_back_cf_gen, NULL, NULL, NULL }, + { "acl-bind", "args", 2, 0, 0, + ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND, + ldap_back_cf_gen, "( OLcfgDbAt:3.4 " + "NAME 'olcDbACLBind' " + "DESC 'Remote ACL administrative identity auth bind configuration' " + "SYNTAX OMsDirectoryString " + "SINGLE-VALUE )", + NULL, NULL }, + /* deprecated; aliases "acl-bind" */ + { "acl-method", "args", 2, 0, 0, + ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND, + ldap_back_cf_gen, NULL, NULL, NULL }, + { "idassert-authcDN", "DN", 2, 2, 0, + ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN, + ldap_back_cf_gen, "( OLcfgDbAt:3.5 " + "NAME 'olcDbIDAssertAuthcDn' " + "DESC 'Remote Identity Assertion administrative identity' " + "OBSOLETE " + "SYNTAX OMsDN " + "SINGLE-VALUE )", + NULL, NULL }, + /* deprecated; partially aliases "idassert-authcDN" */ + { "proxyauthzdn", "DN", 2, 2, 0, + ARG_DN|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHCDN, + ldap_back_cf_gen, NULL, NULL, NULL }, + { "idassert-passwd", "cred", 2, 2, 0, + ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD, + ldap_back_cf_gen, "( OLcfgDbAt:3.6 " + "NAME 'olcDbIDAssertPasswd' " + "DESC 'Remote Identity Assertion administrative identity credentials' " + "OBSOLETE " + "SYNTAX OMsDirectoryString " + "SINGLE-VALUE )", + NULL, NULL }, + /* deprecated; partially aliases "idassert-passwd" */ + { "proxyauthzpw", "cred", 2, 2, 0, + ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSWD, + ldap_back_cf_gen, NULL, NULL, NULL }, + { "idassert-bind", "args", 2, 0, 0, + ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND, + ldap_back_cf_gen, "( OLcfgDbAt:3.7 " + "NAME 'olcDbIDAssertBind' " + "DESC 'Remote Identity Assertion administrative identity auth bind configuration' " + "SYNTAX OMsDirectoryString " + "SINGLE-VALUE )", + NULL, NULL }, + { "idassert-method", "args", 2, 0, 0, + ARG_BERVAL|ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND, + ldap_back_cf_gen, NULL, NULL, NULL }, + { "idassert-mode", "mode>|u:|[dn:] [*|] *|", 2, 4, STRLENOF( "rewrite" ), + ARG_STRING|ARG_MAGIC|LDAP_BACK_CFG_REWRITE, + ldap_back_cf_gen, NULL, NULL, NULL }, + { NULL, NULL, 0, 0, 0, ARG_IGNORED, + NULL, NULL, NULL, NULL } +}; + +static ConfigOCs ldapocs[] = { + { "( OLcfgDbOc:3.1 " + "NAME 'olcLDAPConfig' " + "DESC 'LDAP backend configuration' " + "SUP olcDatabaseConfig " + "MUST olcDbURI " + "MAY ( olcDbStartTLS " + "$ olcDbACLAuthcDn " + "$ olcDbACLPasswd " + "$ olcDbACLBind " + "$ olcDbIDAssertAuthcDn " + "$ olcDbIDAssertPasswd " + "$ olcDbIDAssertBind " + "$ olcDbIDAssertMode " + "$ olcDbIDAssertAuthzFrom " + "$ olcDbRebindAsUser " + "$ olcDbChaseReferrals " + "$ olcDbTFSupport " + "$ olcDbProxyWhoAmI " + ") )", + Cft_Database, ldapcfg}, + { NULL, 0, NULL } +}; + +#define LDAP_BACK_C_NO (0x0U) +#define LDAP_BACK_C_YES (0x1U) +static slap_verbmasks yn_mode[] = { + { BER_BVC( "yes" ), LDAP_BACK_C_YES}, + { BER_BVC( "no" ), LDAP_BACK_C_NO }, + { BER_BVNULL, 0 } +}; + +static slap_verbmasks idassert_mode[] = { + { BER_BVC("self"), LDAP_BACK_IDASSERT_SELF }, + { BER_BVC("anonymous"), LDAP_BACK_IDASSERT_ANONYMOUS }, + { BER_BVC("none"), LDAP_BACK_IDASSERT_NOASSERT }, + { BER_BVC("legacy"), LDAP_BACK_IDASSERT_LEGACY }, + { BER_BVNULL, 0 } +}; + +static slap_verbmasks tls_mode[] = { + { BER_BVC( "propagate" ), LDAP_BACK_F_TLS_PROPAGATE_MASK }, + { BER_BVC( "try-propagate" ), LDAP_BACK_F_PROPAGATE_TLS }, + { BER_BVC( "start" ), LDAP_BACK_F_TLS_USE_MASK }, + { BER_BVC( "try-start" ), LDAP_BACK_F_USE_TLS }, + { BER_BVC( "none" ), LDAP_BACK_C_NO }, + { BER_BVNULL, 0 } +}; + +static slap_verbmasks t_f_mode[] = { + { BER_BVC( "yes" ), LDAP_BACK_F_SUPPORT_T_F }, + { BER_BVC( "discover" ), LDAP_BACK_F_SUPPORT_T_F_DISCOVER }, + { BER_BVC( "no" ), LDAP_BACK_C_NO }, + { BER_BVNULL, 0 } +}; + +static int +ldap_back_cf_gen( ConfigArgs *c ) +{ + struct ldapinfo *li = ( struct ldapinfo * )c->be->be_private; + int rc; + int i; + + if ( c->op == SLAP_CONFIG_EMIT ) { + struct berval bv = BER_BVNULL; + rc = 0; + + switch( c->type ) { + case LDAP_BACK_CFG_URI: + if ( li->url != NULL ) { + c->value_string = ch_strdup( li->url ); + + } else { + rc = 1; + } + break; + + case LDAP_BACK_CFG_TLS: + enum_to_verb( tls_mode, ( li->flags & LDAP_BACK_F_TLS_MASK ), &bv ); + if ( BER_BVISNULL( &bv ) ) { + /* there's something wrong... */ + assert( 0 ); + rc = 1; + + } else { + ber_dupbv( &c->value_bv, &bv ); + } + break; + + case LDAP_BACK_CFG_ACL_AUTHCDN: + case LDAP_BACK_CFG_ACL_PASSWD: + case LDAP_BACK_CFG_ACL_METHOD: + /* handled by LDAP_BACK_CFG_ACL_BIND */ + rc = 1; + break; + + case LDAP_BACK_CFG_ACL_BIND: { + int i; + + bindconf_unparse( &li->acl_sb, &c->value_bv ); + + for ( i = 0; isspace( c->value_bv.bv_val[ i ] ); i++ ) + /* count spaces */ ; + + if ( i ) { + c->value_bv.bv_len -= i; + AC_MEMCPY( c->value_bv.bv_val, &c->value_bv.bv_val[ i ], + c->value_bv.bv_len + 1 ); + } + + break; + } + + case LDAP_BACK_CFG_IDASSERT_MODE: + case LDAP_BACK_CFG_IDASSERT_AUTHCDN: + case LDAP_BACK_CFG_IDASSERT_PASSWD: + case LDAP_BACK_CFG_IDASSERT_METHOD: + /* handled by LDAP_BACK_CFG_IDASSERT_BIND */ + rc = 1; + break; + + case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: { + int i; + + if ( li->idassert_authz == NULL ) { + rc = 1; + break; + } + + for ( i = 0; !BER_BVISNULL( &li->idassert_authz[ i ] ); i++ ) + { + struct berval bv; + + ber_dupbv( &bv, &li->idassert_authz[ i ] ); + ber_bvarray_add( &c->rvalue_vals, &bv ); + } + break; + } + + case LDAP_BACK_CFG_IDASSERT_BIND: { + int i; + struct berval bv = BER_BVNULL, + bc = BER_BVNULL; + char *ptr; + + if ( li->idassert_authmethod != LDAP_AUTH_NONE ) { + ber_len_t len = bv.bv_len + + STRLENOF( "flags=override,non-prescriptive" ); + + switch ( li->idassert_mode ) { + case LDAP_BACK_IDASSERT_OTHERID: + case LDAP_BACK_IDASSERT_OTHERDN: + break; + + default: { + struct berval mode = BER_BVNULL; + + enum_to_verb( idassert_mode, li->idassert_mode, &mode ); + if ( BER_BVISNULL( &mode ) ) { + /* there's something wrong... */ + assert( 0 ); + rc = 1; + + } else { + bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len; + bv.bv_val = ch_malloc( bv.bv_len + 1 ); + + ptr = lutil_strcopy( bv.bv_val, "mode=" ); + ptr = lutil_strcopy( ptr, mode.bv_val ); + } + break; + } + } + + if ( li->idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) { + ber_len_t len = bv.bv_len + STRLENOF( "authz=native" ); + + if ( !BER_BVISEMPTY( &bv ) ) { + len += STRLENOF( " " ); + } + + bv.bv_val = ch_realloc( bv.bv_val, len + 1 ); + + ptr = bv.bv_val + bv.bv_len; + + if ( !BER_BVISEMPTY( &bv ) ) { + ptr = lutil_strcopy( ptr, " " ); + } + + (void)lutil_strcopy( ptr, "authz=native" ); + } + + /* flags */ + if ( !BER_BVISEMPTY( &bv ) ) { + len += STRLENOF( " " ); + } + + bv.bv_val = ch_realloc( bv.bv_val, len + 1 ); + + ptr = &bv.bv_val[ bv.bv_len ]; + + if ( !BER_BVISEMPTY( &bv ) ) { + ptr = lutil_strcopy( ptr, " " ); + } + + ptr = lutil_strcopy( ptr, "flags=" ); + + if ( li->idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) { + ptr = lutil_strcopy( ptr, "prescriptive" ); + } else { + ptr = lutil_strcopy( ptr, "non-prescriptive" ); + } + + if ( li->idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) { + ptr = lutil_strcopy( ptr, ",override" ); + } + + bv.bv_len = ( ptr - bv.bv_val ); + /* end-of-flags */ + } + + bindconf_unparse( &li->idassert_sb, &bc ); + + if ( !BER_BVISNULL( &bv ) ) { + char *ptr; + + c->value_bv.bv_len = bv.bv_len + bc.bv_len; + c->value_bv.bv_val = ch_realloc( bv.bv_val, c->value_bv.bv_len + 1 ); + + assert( bc.bv_val[ 0 ] == ' ' ); + + ptr = lutil_strcopy( c->value_bv.bv_val, bv.bv_val ); + (void)lutil_strcopy( ptr, bc.bv_val ); + + free( bc.bv_val ); + + } else { + for ( i = 0; isspace( bc.bv_val[ i ] ); i++ ) + /* count spaces */ ; + + if ( i ) { + bc.bv_len -= i; + AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 ); + } + + c->value_bv = bv; + } + + break; + } + + case LDAP_BACK_CFG_REBIND: + enum_to_verb( yn_mode, ( ( li->flags & LDAP_BACK_F_SAVECRED ) == LDAP_BACK_F_SAVECRED ), &bv ); + if ( BER_BVISNULL( &bv ) ) { + /* there's something wrong... */ + assert( 0 ); + rc = 1; + + } else { + ber_dupbv( &c->value_bv, &bv ); + } + break; + + case LDAP_BACK_CFG_CHASE: + enum_to_verb( yn_mode, ( ( li->flags & LDAP_BACK_F_CHASE_REFERRALS ) == LDAP_BACK_F_CHASE_REFERRALS ), &bv ); + if ( BER_BVISNULL( &bv ) ) { + /* there's something wrong... */ + assert( 0 ); + rc = 1; + + } else { + ber_dupbv( &c->value_bv, &bv ); + } + break; + + case LDAP_BACK_CFG_T_F: + enum_to_verb( t_f_mode, ( ( li->flags & LDAP_BACK_F_SUPPORT_T_F_MASK ) == LDAP_BACK_F_SUPPORT_T_F_MASK ), &bv ); + if ( BER_BVISNULL( &bv ) ) { + /* there's something wrong... */ + assert( 0 ); + rc = 1; + + } else { + ber_dupbv( &c->value_bv, &bv ); + } + break; + + case LDAP_BACK_CFG_WHOAMI: + enum_to_verb( yn_mode, ( ( li->flags & LDAP_BACK_F_PROXY_WHOAMI ) == LDAP_BACK_F_PROXY_WHOAMI ), &bv ); + if ( BER_BVISNULL( &bv ) ) { + /* there's something wrong... */ + assert( 0 ); + rc = 1; + + } else { + ber_dupbv( &c->value_bv, &bv ); + } + break; + + default: + /* we need to handle all... */ + assert( 0 ); + break; + } + return rc; + + } else if ( c->op == LDAP_MOD_DELETE ) { + rc = 0; + switch( c->type ) { + case LDAP_BACK_CFG_URI: + if ( li->url != NULL ) { + ch_free( li->url ); + li->url = NULL; + } + + if ( li->lud != NULL ) { + ldap_free_urllist( li->lud ); + li->lud = NULL; + } + + /* better cleanup the cached connections... */ + /* NOTE: don't worry about locking: if we got here, + * other threads are suspended. */ + avl_free( li->conntree, ldap_back_conn_free ); + li->conntree = NULL; + + break; + + case LDAP_BACK_CFG_TLS: + case LDAP_BACK_CFG_ACL_AUTHCDN: + case LDAP_BACK_CFG_ACL_PASSWD: + case LDAP_BACK_CFG_ACL_METHOD: + /* handled by LDAP_BACK_CFG_ACL_BIND */ + rc = 1; + break; + + case LDAP_BACK_CFG_ACL_BIND: + bindconf_free( &li->acl_sb ); + break; + + case LDAP_BACK_CFG_IDASSERT_MODE: + case LDAP_BACK_CFG_IDASSERT_AUTHCDN: + case LDAP_BACK_CFG_IDASSERT_PASSWD: + case LDAP_BACK_CFG_IDASSERT_METHOD: + /* handled by LDAP_BACK_CFG_IDASSERT_BIND */ + rc = 1; + break; + + case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: + if ( li->idassert_authz != NULL ) { + ber_bvarray_free( li->idassert_authz ); + li->idassert_authz = NULL; + } + break; + + case LDAP_BACK_CFG_IDASSERT_BIND: + bindconf_free( &li->idassert_sb ); + break; + + case LDAP_BACK_CFG_REBIND: + case LDAP_BACK_CFG_CHASE: + case LDAP_BACK_CFG_T_F: + case LDAP_BACK_CFG_WHOAMI: + rc = 1; + break; + + default: + /* we need to handle all... */ + assert( 0 ); + break; + } + return rc; + + } + + switch( c->type ) { + case LDAP_BACK_CFG_URI: { + LDAPURLDesc *tmpludp; + char **urllist; + int urlrc, i; + + if ( c->argc != 2 ) { + fprintf( stderr, "%s: line %d: " + "missing uri " + "in \"uri \" line\n", + c->fname, c->lineno ); + return 1; + } + + if ( li->url != NULL ) { + ch_free( li->url ); + } + + if ( li->lud != NULL ) { + ldap_free_urllist( li->lud ); + } + +#if 0 + /* PARANOID: DN and more are not required nor allowed */ + urlrc = ldap_url_parselist_ext( &li->lud, c->value_string, "\t" ); +#else + urlrc = ldap_url_parselist( &li->lud, c->value_string ); +#endif + if ( urlrc != LDAP_URL_SUCCESS ) { + char *why; + + switch ( urlrc ) { + case LDAP_URL_ERR_MEM: + why = "no memory"; + break; + case LDAP_URL_ERR_PARAM: + why = "parameter is bad"; + break; + case LDAP_URL_ERR_BADSCHEME: + why = "URL doesn't begin with \"[c]ldap[si]://\""; + break; + case LDAP_URL_ERR_BADENCLOSURE: + why = "URL is missing trailing \">\""; + break; + case LDAP_URL_ERR_BADURL: + why = "URL is bad"; + case LDAP_URL_ERR_BADHOST: + why = "host/port is bad"; + break; + case LDAP_URL_ERR_BADATTRS: + why = "bad (or missing) attributes"; + break; + case LDAP_URL_ERR_BADSCOPE: + why = "scope string is invalid (or missing)"; + break; + case LDAP_URL_ERR_BADFILTER: + why = "bad or missing filter"; + break; + case LDAP_URL_ERR_BADEXTS: + why = "bad or missing extensions"; + break; + default: + why = "unknown reason"; + break; + } + fprintf( stderr, "%s: line %d: " + "unable to parse uri \"%s\" " + "in \"uri \" line: %s\n", + c->fname, c->lineno, c->value_string, why ); + return 1; + } + + for ( i = 0, tmpludp = li->lud; + tmpludp; + i++, tmpludp = tmpludp->lud_next ) + { + if ( ( tmpludp->lud_dn != NULL + && tmpludp->lud_dn[0] != '\0' ) + || tmpludp->lud_attrs != NULL + /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */ + || tmpludp->lud_filter != NULL + || tmpludp->lud_exts != NULL ) + { + fprintf( stderr, "%s: line %d: " + "warning, only protocol, " + "host and port allowed " + "in \"uri \" statement " + "for uri #%d of \"%s\"\n", + c->fname, c->lineno, i, c->value_string ); + } + } + +#if 0 + for ( i = 0, tmpludp = li->lud; + tmpludp; + i++, tmpludp = tmpludp->lud_next ) + /* just count */ + + urllist = ch_calloc( sizeof( char * ), i + 1 ); + + for ( i = 0, tmpludp = li->lud; + tmpludp; + i++, tmpludp = tmpludp->lud_next ) + { + LDAPURLDesc tmplud; + ber_len_t oldlen = 0, len; + + tmplud = *tmpludp; + tmplud.lud_dn = ""; + tmplud.lud_attrs = NULL; + tmplud.lud_filter = NULL; + if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) { + tmplud.lud_exts = NULL; + tmplud.lud_crit_exts = 0; + } + + urllist[ i ] = ldap_url_desc2str( &tmplud ); + + if ( urllist[ i ] == NULL ) { + fprintf( stderr, "%s: line %d: " + "unable to rebuild uri " + "in \"uri \" statement " + "for \"%s\"\n", + c->fname, c->lineno, argv[ 1 ] ); + return 1; + } + } + + li->url = ldap_charray2str( urllist, " " ); + ldap_charray_free( urllist ); +#else + li->url = ch_strdup( c->value_string ); +#endif + break; + } + + case LDAP_BACK_CFG_TLS: + i = verb_to_mask( c->argv[1], tls_mode ); + if ( BER_BVISNULL( &tls_mode[i].word ) ) { + return 1; + } + li->flags &= ~LDAP_BACK_F_TLS_MASK; + li->flags |= tls_mode[i].mask; + break; + + case LDAP_BACK_CFG_ACL_AUTHCDN: + switch ( li->acl_authmethod ) { + case LDAP_AUTH_NONE: + li->acl_authmethod = LDAP_AUTH_SIMPLE; + break; + + case LDAP_AUTH_SIMPLE: + break; + + default: + fprintf( stderr, "%s: line %d: " + "\"acl-authcDN \" incompatible " + "with auth method %d.", + c->fname, c->lineno, li->acl_authmethod ); + return 1; + } + if ( !BER_BVISNULL( &li->acl_authcDN ) ) { + free( li->acl_authcDN.bv_val ); + } + li->acl_authcDN = c->value_ndn; + break; + + case LDAP_BACK_CFG_ACL_PASSWD: + switch ( li->acl_authmethod ) { + case LDAP_AUTH_NONE: + li->acl_authmethod = LDAP_AUTH_SIMPLE; + break; + + case LDAP_AUTH_SIMPLE: + break; + + default: + fprintf( stderr, "%s: line %d: " + "\"acl-passwd \" incompatible " + "with auth method %d.", + c->fname, c->lineno, li->acl_authmethod ); + return 1; + } + if ( !BER_BVISNULL( &li->acl_passwd ) ) { + free( li->acl_passwd.bv_val ); + } + li->acl_passwd = c->value_bv; + break; + + case LDAP_BACK_CFG_ACL_METHOD: + case LDAP_BACK_CFG_ACL_BIND: + for ( i = 1; i < c->argc; i++ ) { + if ( bindconf_parse( c->argv[ i ], &li->acl_sb ) ) { + return 1; + } + } + break; + + case LDAP_BACK_CFG_IDASSERT_MODE: + i = verb_to_mask( c->argv[1], idassert_mode ); + if ( BER_BVISNULL( &idassert_mode[i].word ) ) { + if ( strncasecmp( c->argv[1], "u:", STRLENOF( "u:" ) ) == 0 ) { + li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID; + ber_str2bv( c->argv[1], 0, 1, &li->idassert_authzID ); + li->idassert_authzID.bv_val[ 0 ] = 'u'; + + } else { + struct berval id, ndn; + + ber_str2bv( c->argv[1], 0, 0, &id ); + + if ( strncasecmp( c->argv[1], "dn:", STRLENOF( "dn:" ) ) == 0 ) { + id.bv_val += STRLENOF( "dn:" ); + id.bv_len -= STRLENOF( "dn:" ); + } + + rc = dnNormalize( 0, NULL, NULL, &id, &ndn, NULL ); + if ( rc != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_ANY, + "%s: line %d: idassert ID \"%s\" is not a valid DN\n", + c->fname, c->lineno, c->argv[1] ); + return 1; + } + + li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + ndn.bv_len; + li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 ); + AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) ); + AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], ndn.bv_val, ndn.bv_len + 1 ); + ch_free( ndn.bv_val ); + + li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN; + } + + } else { + li->idassert_mode = idassert_mode[i].mask; + } + + if ( c->argc > 2 ) { + int i; + + for ( i = 2; i < c->argc; i++ ) { + if ( strcasecmp( c->argv[ i ], "override" ) == 0 ) { + li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE; + + } else if ( strcasecmp( c->argv[ i ], "prescriptive" ) == 0 ) { + li->idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE; + + } else if ( strcasecmp( c->argv[ i ], "non-prescriptive" ) == 0 ) { + li->idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE ); + + } else { + Debug( LDAP_DEBUG_ANY, + "%s: line %d: unknown flag #%d " + "in \"idassert-mode " + "[]\" line.\n", + c->fname, c->lineno, i - 2 ); + return 1; + } + } + } + break; + + case LDAP_BACK_CFG_IDASSERT_AUTHCDN: + switch ( li->idassert_authmethod ) { + case LDAP_AUTH_NONE: + li->idassert_authmethod = LDAP_AUTH_SIMPLE; + break; + + case LDAP_AUTH_SIMPLE: + break; + + default: + fprintf( stderr, "%s: line %d: " + "\"idassert-authcDN \" incompatible " + "with auth method %d.", + c->fname, c->lineno, li->idassert_authmethod ); + return 1; + } + if ( !BER_BVISNULL( &li->idassert_authcDN ) ) { + free( li->idassert_authcDN.bv_val ); + } + li->idassert_authcDN = c->value_ndn; + break; + + case LDAP_BACK_CFG_IDASSERT_PASSWD: + switch ( li->idassert_authmethod ) { + case LDAP_AUTH_NONE: + li->idassert_authmethod = LDAP_AUTH_SIMPLE; + break; + + case LDAP_AUTH_SIMPLE: + break; + + default: + fprintf( stderr, "%s: line %d: " + "\"idassert-passwd \" incompatible " + "with auth method %d.", + c->fname, c->lineno, li->idassert_authmethod ); + return 1; + } + if ( !BER_BVISNULL( &li->idassert_passwd ) ) { + free( li->idassert_passwd.bv_val ); + } + li->idassert_passwd = c->value_bv; + break; + + case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: + ber_bvarray_add( &li->idassert_authz, &c->value_bv ); + break; + + case LDAP_BACK_CFG_IDASSERT_METHOD: + /* no longer supported */ + fprintf( stderr, "%s: %d: " + "\"idassert-method \": " + "no longer supported; use \"idassert-bind\".\n", + c->fname, c->lineno ); + return 1; + + case LDAP_BACK_CFG_IDASSERT_BIND: + for ( i = 1; i < c->argc; i++ ) { + if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) { + char *argvi = c->argv[ i ] + STRLENOF( "mode=" ); + int j; + + j = verb_to_mask( argvi, idassert_mode ); + if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) { + fprintf( stderr, "%s: %d: " + "\"idassert-bind \": " + "unknown mode \"%s\".\n", + c->fname, c->lineno, argvi ); + return 1; + } + + li->idassert_mode = idassert_mode[ j ].mask; + + } else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) { + char *argvi = c->argv[ i ] + STRLENOF( "authz=" ); + + if ( strcasecmp( argvi, "native" ) == 0 ) { + if ( li->idassert_authmethod != LDAP_AUTH_SASL ) { + fprintf( stderr, "%s: %d: " + "\"idassert-bind \": " + "authz=\"native\" incompatible " + "with auth method.\n", + c->fname, c->lineno ); + return 1; + } + li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ; + + } else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) { + li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ; + + } else { + fprintf( stderr, "%s: %d: " + "\"idassert-bind \": " + "unknown authz \"%s\".\n", + c->fname, c->lineno, argvi ); + return 1; + } + + } else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) { + char *argvi = c->argv[ i ] + STRLENOF( "flags=" ); + char **flags = ldap_str2charray( argvi, "," ); + int j; + + if ( flags == NULL ) { + fprintf( stderr, "%s: %d: " + "\"idassert-bind \": " + "unable to parse flags \"%s\".\n", + c->fname, c->lineno, argvi ); + return 1; + } + + for ( j = 0; flags[ j ] != NULL; j++ ) { + if ( strcasecmp( flags[ j ], "override" ) == 0 ) { + li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE; + + } else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) { + li->idassert_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE; + + } else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) { + li->idassert_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE ); + + } else { + fprintf( stderr, "%s: %d: " + "\"idassert-bind \": " + "unknown flag \"%s\".\n", + c->fname, c->lineno, flags[ j ] ); + return 1; + } + } + + ldap_charray_free( flags ); + + } else if ( bindconf_parse( c->argv[ i ], &li->idassert_sb ) ) { + return 1; + } + } + break; + + case LDAP_BACK_CFG_REBIND: { + int dorebind = 0; + + if ( c->argc == 1 ) { + /* legacy */ + dorebind = 1; + + } else { + i = verb_to_mask( c->argv[1], yn_mode ); + if ( BER_BVISNULL( &yn_mode[i].word ) ) { + return 1; + } + if ( yn_mode[i].mask & LDAP_BACK_C_YES ) { + dorebind = 1; + } + } + + if ( dorebind ) { + li->flags |= LDAP_BACK_F_SAVECRED; + + } else { + li->flags &= ~LDAP_BACK_F_SAVECRED; + } + break; + } + + case LDAP_BACK_CFG_CHASE: { + int dochase = 0; + + if ( c->argc == 1 ) { + /* legacy */ + dochase = 1; + + } else { + i = verb_to_mask( c->argv[1], yn_mode ); + if ( BER_BVISNULL( &yn_mode[i].word ) ) { + return 1; + } + if ( yn_mode[i].mask & LDAP_BACK_C_YES ) { + dochase = 1; + } + } + + if ( dochase ) { + li->flags |= LDAP_BACK_F_CHASE_REFERRALS; + + } else { + li->flags &= ~LDAP_BACK_F_CHASE_REFERRALS; + } + break; + } + + case LDAP_BACK_CFG_T_F: + i = verb_to_mask( c->argv[1], t_f_mode ); + if ( BER_BVISNULL( &t_f_mode[i].word ) ) { + return 1; + } + li->flags &= ~LDAP_BACK_F_SUPPORT_T_F_MASK; + li->flags |= t_f_mode[i].mask; + break; + + case LDAP_BACK_CFG_WHOAMI: { + int dowhoami = 0; + + if ( c->argc == 1 ) { + /* legacy */ + dowhoami = 1; + + } else { + i = verb_to_mask( c->argv[1], yn_mode ); + if ( BER_BVISNULL( &yn_mode[i].word ) ) { + return 1; + } + if ( yn_mode[i].mask & LDAP_BACK_C_YES ) { + dowhoami = 1; + } + } + + if ( dowhoami ) { + li->flags |= LDAP_BACK_F_PROXY_WHOAMI; + + load_extop( (struct berval *)&slap_EXOP_WHOAMI, + 0, ldap_back_exop_whoami ); + + } else { + li->flags &= ~LDAP_BACK_F_PROXY_WHOAMI; + } + break; + } + + case LDAP_BACK_CFG_REWRITE: + fprintf( stderr, "%s: line %d: " + "rewrite/remap capabilities have been moved " + "to the \"rwm\" overlay; see slapo-rwm(5) " + "for details (hint: add \"overlay rwm\" " + "and prefix all directives with \"rwm-\").\n", + c->fname, c->lineno ); + return 1; + + default: + assert( 0 ); + } + + return 0; +} + +int +ldap_back_init_cf( BackendInfo *bi ) +{ + int rc; + AttributeDescription *ad = NULL; + const char *text; + + bi->bi_cf_ocs = ldapocs; + + rc = config_register_schema( ldapcfg, ldapocs ); + if ( rc ) { + return rc; + } + + /* setup olcDbAclPasswd and olcDbIDAssertPasswd + * to be base64-encoded when written in LDIF form; + * basically, we don't care if it fails */ + rc = slap_str2ad( "olcDbACLPasswd", &ad, &text ); + if ( rc ) { + Debug( LDAP_DEBUG_ANY, "config_back_initialize: " + "warning, unable to get \"olcDbACLPasswd\" " + "attribute description: %d: %s\n", + rc, text, 0 ); + } else { + (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val, + ad->ad_type->sat_oid ); + } + + ad = NULL; + rc = slap_str2ad( "olcDbIDAssertPasswd", &ad, &text ); + if ( rc ) { + Debug( LDAP_DEBUG_ANY, "config_back_initialize: " + "warning, unable to get \"olcDbIDAssertPasswd\" " + "attribute description: %d: %s\n", + rc, text, 0 ); + } else { + (void)ldif_must_b64_encode_register( ad->ad_cname.bv_val, + ad->ad_type->sat_oid ); + } + + return 0; +} + + +static int +parse_idassert( BackendDB *be, const char *fname, int lineno, + int argc, char **argv ); + +static int +parse_acl_auth( BackendDB *be, const char *fname, int lineno, + int argc, char **argv ); int ldap_back_db_config( - BackendDB *be, - const char *fname, - int lineno, - int argc, - char **argv -) + BackendDB *be, + const char *fname, + int lineno, + int argc, + char **argv ) { struct ldapinfo *li = (struct ldapinfo *) be->be_private; if ( li == NULL ) { fprintf( stderr, "%s: line %d: ldap backend info is null!\n", - fname, lineno ); - return( 1 ); + fname, lineno ); + return 1; } - /* server address to query (depricated, use "uri" directive) */ + /* server address to query (no longer supported, use "uri" directive) */ if ( strcasecmp( argv[0], "server" ) == 0 ) { - if (argc != 2) { - fprintf( stderr, - "%s: line %d: missing address in \"server
\" line\n", - fname, lineno ); - return( 1 ); + fprintf( stderr, + "%s: line %d: \"server
\" directive is no longer supported.\n", + fname, lineno ); + return 1; + + /* URI of server to query (obsoletes "server" directive) */ + } else if ( strcasecmp( argv[0], "uri" ) == 0 ) { + LDAPURLDesc *tmpludp; + char **urllist; + int urlrc, i; + + if ( argc != 2 ) { + fprintf( stderr, "%s: line %d: " + "missing uri " + "in \"uri \" line\n", + fname, lineno ); + return 1; + } + if ( li->url != NULL ) { + ch_free( li->url ); } - if (li->url != NULL) - ch_free(li->url); - li->url = ch_calloc(strlen(argv[1]) + 9, sizeof(char)); - if (li->url != NULL) { - strcpy(li->url, "ldap://"); - strcat(li->url, argv[1]); - strcat(li->url, "/"); + if ( li->lud != NULL ) { + ldap_free_urllist( li->lud ); } - /* URI of server to query (preferred over "server" directive) */ - } else if ( strcasecmp( argv[0], "uri" ) == 0 ) { - if (argc != 2) { - fprintf( stderr, - "%s: line %d: missing address in \"uri
\" line\n", - fname, lineno ); - return( 1 ); +#if 0 + /* PARANOID: DN and more are not required nor allowed */ + urlrc = ldap_url_parselist_ext( &li->lud, argv[ 1 ], "\t" ); +#else + urlrc = ldap_url_parselist( &li->lud, argv[ 1 ] ); +#endif + if ( urlrc != LDAP_URL_SUCCESS ) { + char *why; + + switch ( urlrc ) { + case LDAP_URL_ERR_MEM: + why = "no memory"; + break; + case LDAP_URL_ERR_PARAM: + why = "parameter is bad"; + break; + case LDAP_URL_ERR_BADSCHEME: + why = "URL doesn't begin with \"[c]ldap[si]://\""; + break; + case LDAP_URL_ERR_BADENCLOSURE: + why = "URL is missing trailing \">\""; + break; + case LDAP_URL_ERR_BADURL: + why = "URL is bad"; + case LDAP_URL_ERR_BADHOST: + why = "host/port is bad"; + break; + case LDAP_URL_ERR_BADATTRS: + why = "bad (or missing) attributes"; + break; + case LDAP_URL_ERR_BADSCOPE: + why = "scope string is invalid (or missing)"; + break; + case LDAP_URL_ERR_BADFILTER: + why = "bad or missing filter"; + break; + case LDAP_URL_ERR_BADEXTS: + why = "bad or missing extensions"; + break; + default: + why = "unknown reason"; + break; + } + fprintf( stderr, "%s: line %d: " + "unable to parse uri \"%s\" " + "in \"uri \" line: %s\n", + fname, lineno, argv[ 1 ], why ); + return 1; + } + + for ( i = 0, tmpludp = li->lud; + tmpludp; + i++, tmpludp = tmpludp->lud_next ) + { + if ( ( tmpludp->lud_dn != NULL + && tmpludp->lud_dn[0] != '\0' ) + || tmpludp->lud_attrs != NULL + /* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */ + || tmpludp->lud_filter != NULL + || tmpludp->lud_exts != NULL ) + { + fprintf( stderr, "%s: line %d: " + "warning, only protocol, " + "host and port allowed " + "in \"uri \" statement " + "for uri #%d of \"%s\"\n", + fname, lineno, i, argv[1] ); + } + } + +#if 0 + for ( i = 0, tmpludp = li->lud; + tmpludp; + i++, tmpludp = tmpludp->lud_next ) + /* just count */ + + urllist = ch_calloc( sizeof( char * ), i + 1 ); + + for ( i = 0, tmpludp = li->lud; + tmpludp; + i++, tmpludp = tmpludp->lud_next ) + { + LDAPURLDesc tmplud; + ber_len_t oldlen = 0, len; + + tmplud = *tmpludp; + tmplud.lud_dn = ""; + tmplud.lud_attrs = NULL; + tmplud.lud_filter = NULL; + if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) { + tmplud.lud_exts = NULL; + tmplud.lud_crit_exts = 0; + } + + urllist[ i ] = ldap_url_desc2str( &tmplud ); + + if ( urllist[ i ] == NULL ) { + fprintf( stderr, "%s: line %d: " + "unable to rebuild uri " + "in \"uri \" statement " + "for \"%s\"\n", + fname, lineno, argv[ 1 ] ); + return 1; + } } - if (li->url != NULL) - ch_free(li->url); - li->url = ch_strdup(argv[1]); - /* name to use for ldap_back_group */ - } else if ( strcasecmp( argv[0], "binddn" ) == 0 ) { - if (argc != 2) { + li->url = ldap_charray2str( urllist, " " ); + ldap_charray_free( urllist ); +#else + li->url = ch_strdup( argv[ 1 ] ); +#endif + + } else if ( strcasecmp( argv[0], "tls" ) == 0 ) { + if ( argc != 2 ) { fprintf( stderr, - "%s: line %d: missing name in \"binddn \" line\n", - fname, lineno ); + "%s: line %d: \"tls \" needs 1 argument.\n", + fname, lineno ); return( 1 ); } - li->binddn = ch_strdup(argv[1]); - /* password to use for ldap_back_group */ - } else if ( strcasecmp( argv[0], "bindpw" ) == 0 ) { - if (argc != 2) { + /* none */ + if ( strcasecmp( argv[1], "none" ) == 0 ) { + li->flags &= ~LDAP_BACK_F_TLS_MASK; + + /* try start tls */ + } else if ( strcasecmp( argv[1], "start" ) == 0 ) { + li->flags |= LDAP_BACK_F_TLS_USE_MASK; + + /* try start tls */ + } else if ( strcasecmp( argv[1], "try-start" ) == 0 ) { + li->flags &= ~LDAP_BACK_F_TLS_CRITICAL; + li->flags |= LDAP_BACK_F_USE_TLS; + + /* propagate start tls */ + } else if ( strcasecmp( argv[1], "propagate" ) == 0 ) { + li->flags |= LDAP_BACK_F_TLS_PROPAGATE_MASK; + + /* try start tls */ + } else if ( strcasecmp( argv[1], "try-propagate" ) == 0 ) { + li->flags &= ~LDAP_BACK_F_TLS_CRITICAL; + li->flags |= LDAP_BACK_F_PROPAGATE_TLS; + + } else { fprintf( stderr, - "%s: line %d: missing password in \"bindpw \" line\n", - fname, lineno ); + "%s: line %d: \"tls \": unknown argument \"%s\".\n", + fname, lineno, argv[1] ); return( 1 ); } - li->bindpw = ch_strdup(argv[1]); - /* dn massaging */ - } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0 ) { -#ifndef ENABLE_REWRITE - char *dn, *massaged_dn; -#endif /* ENABLE_REWRITE */ - BackendDB *tmp_be; - - /* - * syntax: - * - * suffixmassage - * - * the field must be defined as a valid suffix - * (or suffixAlias?) for the current database; - * the shouldn't have already been - * defined as a valid suffix or suffixAlias for the - * current server - */ - if ( argc != 3 ) { - fprintf( stderr, "%s: line %d: syntax is" - " \"suffixMassage " - " \"\n", + /* remote ACL stuff... */ + } else if ( strncasecmp( argv[0], "acl-", STRLENOF( "acl-" ) ) == 0 + || strncasecmp( argv[0], "bind", STRLENOF( "bind" ) ) == 0 ) + { + /* NOTE: "bind{DN,pw}" was initially used; it's now + * deprected and undocumented, it can be dropped at some + * point, since nobody should be really using it */ + return parse_acl_auth( be, fname, lineno, argc, argv ); + + /* identity assertion stuff... */ + } else if ( strncasecmp( argv[0], "idassert-", STRLENOF( "idassert-" ) ) == 0 + || strncasecmp( argv[0], "proxyauthz", STRLENOF( "proxyauthz" ) ) == 0 ) + { + /* NOTE: "proxyauthz{DN,pw}" was initially used; it's now + * deprected and undocumented, it can be dropped at some + * point, since nobody should be really using it */ + return parse_idassert( be, fname, lineno, argc, argv ); + + /* save bind creds for referral rebinds? */ + } else if ( strcasecmp( argv[0], "rebind-as-user" ) == 0 ) { + switch ( argc ) { + case 1: + fprintf( stderr, + "%s: line %d: \"rebind-as-user {NO|yes}\": use without args is deprecated.\n", fname, lineno ); + + li->flags |= LDAP_BACK_F_SAVECRED; + break; + + case 2: + if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) { + li->flags |= LDAP_BACK_F_SAVECRED; + + } else if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) { + li->flags &= ~LDAP_BACK_F_SAVECRED; + + } else { + fprintf( stderr, + "%s: line %d: \"rebind-as-user {NO|yes}\": unknown argument \"%s\".\n", + fname, lineno, argv[ 1 ] ); + return( 1 ); + } + break; + + default: + fprintf( stderr, + "%s: line %d: \"rebind-as-user {NO|yes}\" needs 1 argument.\n", + fname, lineno ); return( 1 ); } - - tmp_be = select_backend( argv[1], 0 ); - if ( tmp_be != NULL && tmp_be != be ) { - fprintf( stderr, "%s: line %d: suffix already in use" - " by another backend in" - " \"suffixMassage " - " \"\n", - fname, lineno ); - return( 1 ); - } - - tmp_be = select_backend( argv[2], 0 ); - if ( tmp_be != NULL ) { - fprintf( stderr, "%s: line %d: massaged suffix" - " already in use by another backend in" - " \"suffixMassage " - " \"\n", - fname, lineno ); - return( 1 ); - } - -#ifdef ENABLE_REWRITE - /* - * The suffix massaging is emulated by means of the - * rewrite capabilities - * FIXME: no extra rewrite capabilities should be added - * to the database - */ - return suffix_massage_config( li->rwinfo, argc, argv ); -#else /* !ENABLE_REWRITE */ - dn = ch_strdup( argv[1] ); - charray_add( &li->suffix_massage, dn ); - (void) dn_normalize( dn ); - charray_add( &li->suffix_massage, dn ); - - massaged_dn = ch_strdup( argv[2] ); - charray_add( &li->suffix_massage, massaged_dn ); - (void) dn_normalize( massaged_dn ); - charray_add( &li->suffix_massage, massaged_dn ); - - free( dn ); - free( massaged_dn ); -#endif /* !ENABLE_REWRITE */ - -#ifdef ENABLE_REWRITE - /* rewrite stuff ... */ - } else if ( strncasecmp( argv[0], "rewrite", 7 ) == 0 ) { - return rewrite_parse( li->rwinfo, fname, lineno, argc, argv ); -#endif /* ENABLE_REWRITE */ - - /* objectclass/attribute mapping */ - } else if ( strcasecmp( argv[0], "map" ) == 0 ) { - struct ldapmap *map; - struct ldapmapping *mapping; - char *src, *dst; - if ( argc < 3 || argc > 4 ) { + } else if ( strcasecmp( argv[0], "chase-referrals" ) == 0 ) { + if ( argc != 2 ) { fprintf( stderr, - "%s: line %d: syntax is \"map {objectclass | attribute} { | *} [ | *]\"\n", - fname, lineno ); + "%s: line %d: \"chase-referrals {YES|no}\" needs 1 argument.\n", + fname, lineno ); return( 1 ); } - if ( strcasecmp( argv[1], "objectclass" ) == 0 ) { - map = &li->oc_map; - } else if ( strcasecmp( argv[1], "attribute" ) == 0 ) { - map = &li->at_map; + /* this is the default; we add it because the default might change... */ + if ( strcasecmp( argv[1], "yes" ) == 0 ) { + li->flags |= LDAP_BACK_F_CHASE_REFERRALS; + + } else if ( strcasecmp( argv[1], "no" ) == 0 ) { + li->flags &= ~LDAP_BACK_F_CHASE_REFERRALS; + } else { fprintf( stderr, - "%s: line %d: syntax is \"map {objectclass | attribute} { | *} [ | *]\"\n", - fname, lineno ); + "%s: line %d: \"chase-referrals {YES|no}\": unknown argument \"%s\".\n", + fname, lineno, argv[1] ); + return( 1 ); + } + + } else if ( strcasecmp( argv[ 0 ], "t-f-support" ) == 0 ) { + if ( argc != 2 ) { + fprintf( stderr, + "%s: line %d: \"t-f-support {NO|yes|discover}\" needs 1 argument.\n", + fname, lineno ); return( 1 ); } - if ( strcasecmp( argv[2], "*" ) != 0 ) { - src = argv[2]; - if ( argc < 4 ) - dst = ""; - else if ( strcasecmp( argv[3], "*" ) == 0 ) - dst = src; - else - dst = argv[3]; - } else { - if ( argc < 4 ) { - map->drop_missing = 1; - return 0; - } - if ( strcasecmp( argv[3], "*" ) == 0 ) { - map->drop_missing = 0; - return 0; - } + if ( strcasecmp( argv[ 1 ], "no" ) == 0 ) { + li->flags &= ~(LDAP_BACK_F_SUPPORT_T_F|LDAP_BACK_F_SUPPORT_T_F_DISCOVER); - src = argv[3]; - dst = src; - } + } else if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) { + li->flags |= LDAP_BACK_F_SUPPORT_T_F; - if ( ( map == &li->at_map ) - && ( strcasecmp( src, "objectclass" ) == 0 - || strcasecmp( dst, "objectclass" ) == 0 ) ) - { + } else if ( strcasecmp( argv[ 1 ], "discover" ) == 0 ) { + li->flags |= LDAP_BACK_F_SUPPORT_T_F_DISCOVER; + + } else { fprintf( stderr, - "%s: line %d: objectclass attribute cannot be mapped\n", - fname, lineno ); + "%s: line %d: \"t-f-support {NO|yes|discover}\": unknown argument \"%s\".\n", + fname, lineno, argv[ 1 ] ); + return 1; } - mapping = (struct ldapmapping *)ch_calloc( 2, sizeof(struct ldapmapping) ); - if ( mapping == NULL ) { + /* intercept exop_who_am_i? */ + } else if ( strcasecmp( argv[0], "proxy-whoami" ) == 0 ) { + int doload_extop = 0; + + switch ( argc ) { + case 1: fprintf( stderr, - "%s: line %d: out of memory\n", + "%s: line %d: \"proxy-whoami {NO|yes}\": use without args is deprecated.\n", fname, lineno ); + + doload_extop = 1; + break; + + case 2: + if ( strcasecmp( argv[ 1 ], "yes" ) == 0 ) { + doload_extop = 1; + + } else if ( strcasecmp( argv[ 1 ], "no" ) != 0 ) { + fprintf( stderr, + "%s: line %d: \"proxy-whoami {NO|yes}\": unknown argument \"%s\".\n", + fname, lineno, argv[ 1 ] ); + return( 1 ); + } + break; + + default: + fprintf( stderr, + "%s: line %d: \"proxy-whoami {NO|yes}\" needs 1 argument.\n", + fname, lineno ); return( 1 ); } - mapping->src = ch_strdup(src); - mapping->dst = ch_strdup(dst); - if ( *dst != 0 ) { - mapping[1].src = mapping->dst; - mapping[1].dst = mapping->src; - } else { - mapping[1].src = mapping->src; - mapping[1].dst = mapping->dst; - } - if ( avl_find( map->map, (caddr_t)mapping, mapping_cmp ) != NULL - || avl_find( map->remap, (caddr_t)&mapping[1], mapping_cmp ) != NULL) - { - fprintf( stderr, - "%s: line %d: duplicate mapping found (ignored)\n", - fname, lineno ); - return 0; + if ( doload_extop ) { + li->flags |= LDAP_BACK_F_PROXY_WHOAMI; + + load_extop( (struct berval *)&slap_EXOP_WHOAMI, + 0, ldap_back_exop_whoami ); } - avl_insert( &map->map, (caddr_t)mapping, - mapping_cmp, mapping_dup ); - avl_insert( &map->remap, (caddr_t)&mapping[1], - mapping_cmp, mapping_dup ); + /* FIXME: legacy: intercept old rewrite/remap directives + * and try to start the rwm overlay */ + } else if ( strcasecmp( argv[0], "suffixmassage" ) == 0 + || strcasecmp( argv[0], "map" ) == 0 + || strncasecmp( argv[0], "rewrite", STRLENOF( "rewrite" ) ) == 0 ) + { +#if 0 + fprintf( stderr, "%s: line %d: " + "rewrite/remap capabilities have been moved " + "to the \"rwm\" overlay; see slapo-rwm(5) " + "for details. I'm trying to do my best " + "to preserve backwards compatibility...\n", + fname, lineno ); + + if ( li->rwm_started == 0 ) { + if ( overlay_config( be, "rwm" ) ) { + fprintf( stderr, "%s: line %d: " + "unable to configure the \"rwm\" " + "overlay, required by directive " + "\"%s\".\n", + fname, lineno, argv[0] ); +#if SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC + fprintf( stderr, "\thint: try loading the \"rwm.la\" dynamic module.\n" ); +#endif /* SLAPD_OVER_RWM == SLAPD_MOD_DYNAMIC */ + return( 1 ); + } + + fprintf( stderr, "%s: line %d: back-ldap: " + "automatically starting \"rwm\" overlay, " + "triggered by \"%s\" directive.\n", + fname, lineno, argv[ 0 ] ); + /* this is the default; we add it because the default might change... */ + li->rwm_started = 1; + + return ( *be->bd_info->bi_db_config )( be, fname, lineno, argc, argv ); + } +#else + fprintf( stderr, "%s: line %d: " + "rewrite/remap capabilities have been moved " + "to the \"rwm\" overlay; see slapo-rwm(5) " + "for details (hint: add \"overlay rwm\" " + "and prefix all directives with \"rwm-\").\n", + fname, lineno ); +#endif + + return 1; + /* anything else */ } else { - fprintf( stderr, -"%s: line %d: unknown directive \"%s\" in ldap database definition (ignored)\n", - fname, lineno, argv[0] ); + return SLAP_CONF_UNKNOWN; } + return 0; } -int -mapping_cmp ( const void *c1, const void *c2 ) +static int +ldap_back_exop_whoami( + Operation *op, + SlapReply *rs ) { - struct ldapmapping *map1 = (struct ldapmapping *)c1; - struct ldapmapping *map2 = (struct ldapmapping *)c2; + struct berval *bv = NULL; - return ( strcasecmp(map1->src, map2->src) ); -} + if ( op->oq_extended.rs_reqdata != NULL ) { + /* no request data should be provided */ + rs->sr_text = "no request data expected"; + return rs->sr_err = LDAP_PROTOCOL_ERROR; + } -int -mapping_dup ( void *c1, void *c2 ) -{ - struct ldapmapping *map1 = (struct ldapmapping *)c1; - struct ldapmapping *map2 = (struct ldapmapping *)c2; + rs->sr_err = backend_check_restrictions( op, rs, + (struct berval *)&slap_EXOP_WHOAMI ); + if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err; - return( ( strcasecmp(map1->src, map2->src) == 0 ) ? -1 : 0 ); -} + /* if auth'd by back-ldap and request is proxied, forward it */ + if ( op->o_conn->c_authz_backend && !strcmp(op->o_conn->c_authz_backend->be_type, "ldap" ) && !dn_match(&op->o_ndn, &op->o_conn->c_ndn)) { + struct ldapconn *lc; -char * -ldap_back_map ( struct ldapmap *map, char *s, int remap ) -{ - Avlnode *tree; - struct ldapmapping *mapping, fmapping; - - if (remap) - tree = map->remap; - else - tree = map->map; - - fmapping.src = s; - mapping = (struct ldapmapping *)avl_find( tree, (caddr_t)&fmapping, mapping_cmp ); - if (mapping != NULL) { - if ( *mapping->dst == 0 ) - return(NULL); - return(mapping->dst); - } + LDAPControl c, *ctrls[2] = {NULL, NULL}; + LDAPMessage *res; + Operation op2 = *op; + ber_int_t msgid; + int doretry = 1; + + ctrls[0] = &c; + op2.o_ndn = op->o_conn->c_ndn; + lc = ldap_back_getconn(&op2, rs, LDAP_BACK_SENDERR); + if (!lc || !ldap_back_dobind( lc, op, rs, LDAP_BACK_SENDERR )) { + return -1; + } + c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ; + c.ldctl_iscritical = 1; + c.ldctl_value.bv_val = ch_malloc(op->o_ndn.bv_len+4); + c.ldctl_value.bv_len = op->o_ndn.bv_len + 3; + strcpy(c.ldctl_value.bv_val, "dn:"); + strcpy(c.ldctl_value.bv_val+3, op->o_ndn.bv_val); + +retry: + rs->sr_err = ldap_whoami(lc->lc_ld, ctrls, NULL, &msgid); + if (rs->sr_err == LDAP_SUCCESS) { + if (ldap_result(lc->lc_ld, msgid, 1, NULL, &res) == -1) { + ldap_get_option(lc->lc_ld, LDAP_OPT_ERROR_NUMBER, + &rs->sr_err); + if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) { + doretry = 0; + if ( ldap_back_retry( lc, op, rs, LDAP_BACK_SENDERR ) ) + goto retry; + } + ldap_back_freeconn( op, lc ); + lc = NULL; + + } else { + rs->sr_err = ldap_parse_whoami(lc->lc_ld, res, &bv); + ldap_msgfree(res); + } + } + ch_free(c.ldctl_value.bv_val); + if (rs->sr_err != LDAP_SUCCESS) { + rs->sr_err = slap_map_api2result( rs ); + } + + if ( lc != NULL ) { + ldap_back_release_conn( &op2, rs, lc ); + } - if (map->drop_missing) - return(NULL); + } else { + /* else just do the same as before */ + bv = (struct berval *) ch_malloc( sizeof(struct berval) ); + if ( !BER_BVISEMPTY( &op->o_dn ) ) { + bv->bv_len = op->o_dn.bv_len + sizeof("dn:") - 1; + bv->bv_val = ch_malloc( bv->bv_len + 1 ); + AC_MEMCPY( bv->bv_val, "dn:", sizeof("dn:") - 1 ); + AC_MEMCPY( &bv->bv_val[sizeof("dn:") - 1], op->o_dn.bv_val, + op->o_dn.bv_len ); + bv->bv_val[bv->bv_len] = '\0'; + } else { + bv->bv_len = 0; + bv->bv_val = NULL; + } + } - return(s); + rs->sr_rspdata = bv; + return rs->sr_err; } -char * -ldap_back_map_filter( - struct ldapmap *at_map, - struct ldapmap *oc_map, - char *f, - int remap + +static int +parse_idassert( + BackendDB *be, + const char *fname, + int lineno, + int argc, + char **argv ) { - char *nf, *m, *p, *q, *s, c; - int len, extra, plen, in_quote; - - if (f == NULL) - return(NULL); - - len = strlen(f); - extra = len; - len *= 2; - nf = ch_malloc( len + 1 ); - if (nf == NULL) - return(NULL); - - /* this loop assumes the filter ends with one - * of the delimiter chars -- probably ')'. - */ - - s = nf; - q = NULL; - in_quote = 0; - for (p = f; (c = *p); p++) { - if (c == '"') { - in_quote = !in_quote; - if (q != NULL) { - plen = p - q; - memcpy(s, q, plen); - s += plen; - q = NULL; - } - *s++ = c; - } else if (in_quote) { - /* ignore everything in quotes -- - * what about attrs in DNs? - */ - *s++ = c; - } else if (c != '(' && c != ')' - && c != '=' && c != '>' && c != '<' - && c != '|' && c != '&') - { - if (q == NULL) - q = p; + struct ldapinfo *li = (struct ldapinfo *) be->be_private; + + /* identity assertion mode */ + if ( strcasecmp( argv[0], "idassert-mode" ) == 0 ) { + if ( argc < 2 ) { + Debug( LDAP_DEBUG_ANY, + "%s: line %d: illegal args number %d in \"idassert-mode [ [...]]\" line.\n", + fname, lineno, argc ); + return 1; + } + + if ( strcasecmp( argv[1], "legacy" ) == 0 ) { + /* will proxyAuthz as client's identity only if bound */ + li->idassert_mode = LDAP_BACK_IDASSERT_LEGACY; + + } else if ( strcasecmp( argv[1], "self" ) == 0 ) { + /* will proxyAuthz as client's identity */ + li->idassert_mode = LDAP_BACK_IDASSERT_SELF; + + } else if ( strcasecmp( argv[1], "anonymous" ) == 0 ) { + /* will proxyAuthz as anonymous */ + li->idassert_mode = LDAP_BACK_IDASSERT_ANONYMOUS; + + } else if ( strcasecmp( argv[1], "none" ) == 0 ) { + /* will not proxyAuthz */ + li->idassert_mode = LDAP_BACK_IDASSERT_NOASSERT; + } else { - if (q != NULL) { - *p = 0; - m = ldap_back_map(at_map, q, remap); - if (m == NULL) - m = ldap_back_map(oc_map, q, remap); - if (m == NULL) { - m = q; + struct berval id; + int rc; + + /* will proxyAuthz as argv[1] */ + ber_str2bv( argv[1], 0, 0, &id ); + + if ( strncasecmp( id.bv_val, "u:", STRLENOF( "u:" ) ) == 0 ) { + /* force lowercase... */ + id.bv_val[0] = 'u'; + li->idassert_mode = LDAP_BACK_IDASSERT_OTHERID; + ber_dupbv( &li->idassert_authzID, &id ); + + } else { + struct berval dn; + + /* default is DN? */ + if ( strncasecmp( id.bv_val, "dn:", STRLENOF( "dn:" ) ) == 0 ) { + id.bv_val += STRLENOF( "dn:" ); + id.bv_len -= STRLENOF( "dn:" ); + } + + rc = dnNormalize( 0, NULL, NULL, &id, &dn, NULL ); + if ( rc != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_ANY, + "%s: line %d: idassert ID \"%s\" is not a valid DN\n", + fname, lineno, argv[1] ); + return 1; + } + + li->idassert_authzID.bv_len = STRLENOF( "dn:" ) + dn.bv_len; + li->idassert_authzID.bv_val = ch_malloc( li->idassert_authzID.bv_len + 1 ); + AC_MEMCPY( li->idassert_authzID.bv_val, "dn:", STRLENOF( "dn:" ) ); + AC_MEMCPY( &li->idassert_authzID.bv_val[ STRLENOF( "dn:" ) ], dn.bv_val, dn.bv_len + 1 ); + ch_free( dn.bv_val ); + + li->idassert_mode = LDAP_BACK_IDASSERT_OTHERDN; + } + } + + for ( argc -= 2, argv += 2; argc--; argv++ ) { + if ( strcasecmp( argv[0], "override" ) == 0 ) { + li->idassert_flags |= LDAP_BACK_AUTH_OVERRIDE; + + } else { + Debug( LDAP_DEBUG_ANY, + "%s: line %d: unknown flag \"%s\" " + "in \"idassert-mode " + "[]\" line.\n", + fname, lineno, argv[0] ); + return 1; + } + } + + /* name to use for proxyAuthz propagation */ + } else if ( strcasecmp( argv[0], "idassert-authcdn" ) == 0 + || strcasecmp( argv[0], "proxyauthzdn" ) == 0 ) + { + struct berval dn; + int rc; + + /* FIXME: "proxyauthzdn" is no longer documented, and + * temporarily supported for backwards compatibility */ + + if ( argc != 2 ) { + fprintf( stderr, + "%s: line %d: missing name in \"%s \" line\n", + fname, lineno, argv[0] ); + return( 1 ); + } + + if ( !BER_BVISNULL( &li->idassert_authcDN ) ) { + fprintf( stderr, "%s: line %d: " + "authcDN already defined; replacing...\n", + fname, lineno ); + ch_free( li->idassert_authcDN.bv_val ); + } + + ber_str2bv( argv[1], 0, 0, &dn ); + rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL ); + if ( rc != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_ANY, + "%s: line %d: idassert ID \"%s\" is not a valid DN\n", + fname, lineno, argv[1] ); + return 1; + } + + /* password to use for proxyAuthz propagation */ + } else if ( strcasecmp( argv[0], "idassert-passwd" ) == 0 + || strcasecmp( argv[0], "proxyauthzpw" ) == 0 ) + { + /* FIXME: "proxyauthzpw" is no longer documented, and + * temporarily supported for backwards compatibility */ + + if ( argc != 2 ) { + fprintf( stderr, + "%s: line %d: missing password in \"%s \" line\n", + fname, lineno, argv[0] ); + return( 1 ); + } + + if ( !BER_BVISNULL( &li->idassert_passwd ) ) { + fprintf( stderr, "%s: line %d: " + "passwd already defined; replacing...\n", + fname, lineno ); + ch_free( li->idassert_passwd.bv_val ); + } + + ber_str2bv( argv[1], 0, 1, &li->idassert_passwd ); + + /* rules to accept identity assertion... */ + } else if ( strcasecmp( argv[0], "idassert-authzFrom" ) == 0 ) { + struct berval rule; + + ber_str2bv( argv[1], 0, 1, &rule ); + + ber_bvarray_add( &li->idassert_authz, &rule ); + + } else if ( strcasecmp( argv[0], "idassert-method" ) == 0 ) { + char *argv1; + + if ( argc < 2 ) { + fprintf( stderr, + "%s: line %d: missing method in \"%s \" line\n", + fname, lineno, argv[0] ); + return( 1 ); + } + + argv1 = argv[1]; + if ( strncasecmp( argv1, "bindmethod=", STRLENOF( "bindmethod=" ) ) == 0 ) { + argv1 += STRLENOF( "bindmethod=" ); + } + + if ( strcasecmp( argv1, "none" ) == 0 ) { + /* FIXME: is this at all useful? */ + li->idassert_authmethod = LDAP_AUTH_NONE; + + if ( argc != 2 ) { + fprintf( stderr, + "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n", + fname, lineno, argv[0], argv[1] ); + } + + } else if ( strcasecmp( argv1, "simple" ) == 0 ) { + int arg; + + for ( arg = 2; arg < argc; arg++ ) { + if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "authcdn=" ); + struct berval dn; + int rc; + + if ( !BER_BVISNULL( &li->idassert_authcDN ) ) { + fprintf( stderr, "%s: line %d: " + "SASL authcDN already defined; replacing...\n", + fname, lineno ); + ch_free( li->idassert_authcDN.bv_val ); + } + if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) { + val += STRLENOF( "dn:" ); + } + + ber_str2bv( val, 0, 0, &dn ); + rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL ); + if ( rc != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_ANY, + "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n", + fname, lineno, val ); + return 1; + } + + } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "cred=" ); + + if ( !BER_BVISNULL( &li->idassert_passwd ) ) { + fprintf( stderr, "%s: line %d: " + "SASL cred already defined; replacing...\n", + fname, lineno ); + ch_free( li->idassert_passwd.bv_val ); + } + ber_str2bv( val, 0, 1, &li->idassert_passwd ); + + } else { + fprintf( stderr, "%s: line %d: " + "unknown parameter %s\n", + fname, lineno, argv[arg] ); + return 1; } - extra += p - q; - plen = strlen(m); - extra -= plen; - if (extra < 0) { - while (extra < 0) { - extra += len; - len *= 2; + } + + li->idassert_authmethod = LDAP_AUTH_SIMPLE; + + } else if ( strcasecmp( argv1, "sasl" ) == 0 ) { +#ifdef HAVE_CYRUS_SASL + int arg; + + for ( arg = 2; arg < argc; arg++ ) { + if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "mech=" ); + + if ( !BER_BVISNULL( &li->idassert_sasl_mech ) ) { + fprintf( stderr, "%s: line %d: " + "SASL mech already defined; replacing...\n", + fname, lineno ); + ch_free( li->idassert_sasl_mech.bv_val ); + } + ber_str2bv( val, 0, 1, &li->idassert_sasl_mech ); + + } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "realm=" ); + + if ( !BER_BVISNULL( &li->idassert_sasl_realm ) ) { + fprintf( stderr, "%s: line %d: " + "SASL realm already defined; replacing...\n", + fname, lineno ); + ch_free( li->idassert_sasl_realm.bv_val ); + } + ber_str2bv( val, 0, 1, &li->idassert_sasl_realm ); + + } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "authcdn=" ); + struct berval dn; + int rc; + + if ( !BER_BVISNULL( &li->idassert_authcDN ) ) { + fprintf( stderr, "%s: line %d: " + "SASL authcDN already defined; replacing...\n", + fname, lineno ); + ch_free( li->idassert_authcDN.bv_val ); + } + if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) { + val += STRLENOF( "dn:" ); + } + + ber_str2bv( val, 0, 0, &dn ); + rc = dnNormalize( 0, NULL, NULL, &dn, &li->idassert_authcDN, NULL ); + if ( rc != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_ANY, + "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n", + fname, lineno, val ); + return 1; + } + + } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "authcid=" ); + + if ( !BER_BVISNULL( &li->idassert_authcID ) ) { + fprintf( stderr, "%s: line %d: " + "SASL authcID already defined; replacing...\n", + fname, lineno ); + ch_free( li->idassert_authcID.bv_val ); + } + if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) { + val += STRLENOF( "u:" ); + } + ber_str2bv( val, 0, 1, &li->idassert_authcID ); + + } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "cred=" ); + + if ( !BER_BVISNULL( &li->idassert_passwd ) ) { + fprintf( stderr, "%s: line %d: " + "SASL cred already defined; replacing...\n", + fname, lineno ); + ch_free( li->idassert_passwd.bv_val ); } - s -= (long)nf; - nf = ch_realloc(nf, len + 1); - if (nf == NULL) { - free(nf); - return(NULL); + ber_str2bv( val, 0, 1, &li->idassert_passwd ); + + } else if ( strncasecmp( argv[arg], "authz=", STRLENOF( "authz=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "authz=" ); + + if ( strcasecmp( val, "proxyauthz" ) == 0 ) { + li->idassert_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ; + + } else if ( strcasecmp( val, "native" ) == 0 ) { + li->idassert_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ; + + } else { + fprintf( stderr, "%s: line %d: " + "unknown authz mode \"%s\"\n", + fname, lineno, val ); + return 1; } - s += (long)nf; + + } else { + fprintf( stderr, "%s: line %d: " + "unknown SASL parameter %s\n", + fname, lineno, argv[arg] ); + return 1; } - memcpy(s, m, plen); - s += plen; - *p = c; - q = NULL; } - *s++ = c; + + li->idassert_authmethod = LDAP_AUTH_SASL; + +#else /* !HAVE_CYRUS_SASL */ + fprintf( stderr, "%s: line %d: " + "compile --with-cyrus-sasl to enable SASL auth\n", + fname, lineno ); + return 1; +#endif /* !HAVE_CYRUS_SASL */ + + } else { + fprintf( stderr, "%s: line %d: " + "unhandled idassert-method method %s\n", + fname, lineno, argv[1] ); + return 1; } + + } else { + return SLAP_CONF_UNKNOWN; } - *s = 0; - return(nf); + + return 0; } -char ** -ldap_back_map_attrs( - struct ldapmap *at_map, - char **a, - int remap +static int +parse_acl_auth( + BackendDB *be, + const char *fname, + int lineno, + int argc, + char **argv ) { - int i, j, count; - char **na, *mapped; + struct ldapinfo *li = (struct ldapinfo *) be->be_private; - if (a == NULL) - return(NULL); + /* name to use for remote ACL access */ + if ( strcasecmp( argv[0], "acl-authcdn" ) == 0 + || strcasecmp( argv[0], "binddn" ) == 0 ) + { + struct berval dn; + int rc; - for (count = 0; a[count] != NULL; count++) { - /* */ - } + /* FIXME: "binddn" is no longer documented, and + * temporarily supported for backwards compatibility */ - na = (char **)ch_calloc( count + 1, sizeof(char *) ); - if (na == NULL) - return(NULL); + if ( argc != 2 ) { + fprintf( stderr, + "%s: line %d: missing name in \"%s \" line\n", + fname, lineno, argv[0] ); + return( 1 ); + } - for (i = 0, j = 0; i < count; i++) { - mapped = ldap_back_map(at_map, a[i], remap); - if (mapped != NULL) { - mapped = ch_strdup(mapped); - if (mapped == NULL) { - charray_free(na); - return(NULL); - } - na[j] = mapped; - j++; + if ( !BER_BVISNULL( &li->acl_authcDN ) ) { + fprintf( stderr, "%s: line %d: " + "authcDN already defined; replacing...\n", + fname, lineno ); + ch_free( li->acl_authcDN.bv_val ); + } + + ber_str2bv( argv[1], 0, 0, &dn ); + rc = dnNormalize( 0, NULL, NULL, &dn, &li->acl_authcDN, NULL ); + if ( rc != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_ANY, + "%s: line %d: acl ID \"%s\" is not a valid DN\n", + fname, lineno, argv[1] ); + return 1; } - } - return(na); -} -#ifdef ENABLE_REWRITE -static char * -suffix_massage_regexize( const char *s ) -{ - char *res, *p, *r; - int i; + /* password to use for remote ACL access */ + } else if ( strcasecmp( argv[0], "acl-passwd" ) == 0 + || strcasecmp( argv[0], "bindpw" ) == 0 ) + { + /* FIXME: "bindpw" is no longer documented, and + * temporarily supported for backwards compatibility */ - for ( i = 0, p = ( char * )s; - ( r = strchr( p, ',' ) ) != NULL; - p = r + 1, i++ ) - ; + if ( argc != 2 ) { + fprintf( stderr, + "%s: line %d: missing password in \"%s \" line\n", + fname, lineno, argv[0] ); + return( 1 ); + } - res = ch_calloc( sizeof( char ), strlen( s ) + 4 + 4*i + 1 ); + if ( !BER_BVISNULL( &li->acl_passwd ) ) { + fprintf( stderr, "%s: line %d: " + "passwd already defined; replacing...\n", + fname, lineno ); + ch_free( li->acl_passwd.bv_val ); + } + + ber_str2bv( argv[1], 0, 1, &li->acl_passwd ); - strcpy( res, "(.*)" ); - for ( i = 0, p = ( char * )s; - ( r = strchr( p, ',' ) ) != NULL; - p = r + 1 , i++ ) { - strncat( res, p, r - p + 1 ); - strcat( res, "[ ]?" ); + } else if ( strcasecmp( argv[0], "acl-method" ) == 0 ) { + char *argv1; - if ( r[ 1 ] == ' ' ) { - r++; + if ( argc < 2 ) { + fprintf( stderr, + "%s: line %d: missing method in \"%s \" line\n", + fname, lineno, argv[0] ); + return( 1 ); } - } - strcat( res, p ); - return res; -} + argv1 = argv[1]; + if ( strncasecmp( argv1, "bindmethod=", STRLENOF( "bindmethod=" ) ) == 0 ) { + argv1 += STRLENOF( "bindmethod=" ); + } -static char * -suffix_massage_patternize( const char *s, int normalize ) -{ - char *res; + if ( strcasecmp( argv1, "none" ) == 0 ) { + /* FIXME: is this at all useful? */ + li->acl_authmethod = LDAP_AUTH_NONE; - res = ch_calloc( sizeof( char ), strlen( s ) + 3 ); + if ( argc != 2 ) { + fprintf( stderr, + "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n", + fname, lineno, argv[0], argv[1] ); + } - sprintf( res, "%%1%s", s ); + } else if ( strcasecmp( argv1, "simple" ) == 0 ) { + li->acl_authmethod = LDAP_AUTH_SIMPLE; - if ( normalize ) { - char *out = dn_normalize( res + 2 ); - if ( out != res + 2 ) { - strcpy( res + 2, out ); - free( out ); - } - } + if ( argc != 2 ) { + fprintf( stderr, + "%s: line %d: trailing args in \"%s %s ...\" line ignored\"\n", + fname, lineno, argv[0], argv[1] ); + } - return res; -} + } else if ( strcasecmp( argv1, "sasl" ) == 0 ) { +#ifdef HAVE_CYRUS_SASL + int arg; -int -suffix_massage_config( - struct rewrite_info *info, - int argc, - char **argv -) -{ - char *rargv[ 5 ]; - - rargv[ 0 ] = "rewriteEngine"; - rargv[ 1 ] = "on"; - rargv[ 2 ] = NULL; - rewrite_parse( info, "", 1, 2, rargv ); - - rargv[ 0 ] = "rewriteContext"; - rargv[ 1 ] = "default"; - rargv[ 2 ] = NULL; - rewrite_parse( info, "", 2, 2, rargv ); - - rargv[ 0 ] = "rewriteRule"; - rargv[ 1 ] = suffix_massage_regexize( argv[ 1 ] ); - rargv[ 2 ] = suffix_massage_patternize( argv[ 2 ], 0 ); - rargv[ 3 ] = ":"; - rargv[ 4 ] = NULL; - rewrite_parse( info, "", 3, 4, rargv ); - ch_free( rargv[ 1 ] ); - ch_free( rargv[ 2 ] ); - - rargv[ 0 ] = "rewriteContext"; - rargv[ 1 ] = "searchResult"; - rargv[ 2 ] = NULL; - rewrite_parse( info, "", 4, 2, rargv ); - - rargv[ 0 ] = "rewriteRule"; - rargv[ 1 ] = suffix_massage_regexize( argv[ 2 ] ); - rargv[ 2 ] = suffix_massage_patternize( argv[ 1 ], 0 ); - rargv[ 3 ] = ":"; - rargv[ 4 ] = NULL; - rewrite_parse( info, "", 5, 4, rargv ); - ch_free( rargv[ 1 ] ); - ch_free( rargv[ 2 ] ); - - /* - * the filter should be rewritten as - * - * rewriteRule - * "(.*)member=([^)]+),o=Foo Bar,[ ]?c=US(.*)" - * "%1member=%2,dc=example,dc=com%3" - * - * where "o=Foo Bar, c=US" is the virtual naming context, - * and "dc=example, dc=com" is the real naming context - */ - rargv[ 0 ] = "rewriteContext"; - rargv[ 1 ] = "searchFilter"; - rargv[ 2 ] = NULL; - rewrite_parse( info, "", 6, 2, rargv ); - -#if 0 /* matched is not normalized */ - rargv[ 0 ] = "rewriteContext"; - rargv[ 1 ] = "matchedDn"; - rargv[ 2 ] = "alias"; - rargv[ 3 ] = "searchResult"; - rargv[ 4 ] = NULL; - rewrite_parse( info, "", 7, 4, rargv ); -#else /* normalize matched */ - rargv[ 0 ] = "rewriteContext"; - rargv[ 1 ] = "matchedDn"; - rargv[ 2 ] = NULL; - rewrite_parse( info, "", 7, 2, rargv ); - - rargv[ 0 ] = "rewriteRule"; - rargv[ 1 ] = suffix_massage_regexize( argv[ 2 ] ); - rargv[ 2 ] = suffix_massage_patternize( argv[ 1 ], 1 ); - rargv[ 3 ] = ":"; - rargv[ 4 ] = NULL; - rewrite_parse( info, "", 8, 4, rargv ); - ch_free( rargv[ 1 ] ); - ch_free( rargv[ 2 ] ); -#endif /* normalize matched */ + for ( arg = 2; arg < argc; arg++ ) { + if ( strncasecmp( argv[arg], "mech=", STRLENOF( "mech=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "mech=" ); + + if ( !BER_BVISNULL( &li->acl_sasl_mech ) ) { + fprintf( stderr, "%s: line %d: " + "SASL mech already defined; replacing...\n", + fname, lineno ); + ch_free( li->acl_sasl_mech.bv_val ); + } + ber_str2bv( val, 0, 1, &li->acl_sasl_mech ); + + } else if ( strncasecmp( argv[arg], "realm=", STRLENOF( "realm=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "realm=" ); + + if ( !BER_BVISNULL( &li->acl_sasl_realm ) ) { + fprintf( stderr, "%s: line %d: " + "SASL realm already defined; replacing...\n", + fname, lineno ); + ch_free( li->acl_sasl_realm.bv_val ); + } + ber_str2bv( val, 0, 1, &li->acl_sasl_realm ); + + } else if ( strncasecmp( argv[arg], "authcdn=", STRLENOF( "authcdn=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "authcdn=" ); + struct berval dn; + int rc; + + if ( !BER_BVISNULL( &li->acl_authcDN ) ) { + fprintf( stderr, "%s: line %d: " + "SASL authcDN already defined; replacing...\n", + fname, lineno ); + ch_free( li->acl_authcDN.bv_val ); + } + if ( strncasecmp( argv[arg], "dn:", STRLENOF( "dn:" ) ) == 0 ) { + val += STRLENOF( "dn:" ); + } + + ber_str2bv( val, 0, 0, &dn ); + rc = dnNormalize( 0, NULL, NULL, &dn, &li->acl_authcDN, NULL ); + if ( rc != LDAP_SUCCESS ) { + Debug( LDAP_DEBUG_ANY, + "%s: line %d: SASL authcdn \"%s\" is not a valid DN\n", + fname, lineno, val ); + return 1; + } + + } else if ( strncasecmp( argv[arg], "authcid=", STRLENOF( "authcid=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "authcid=" ); + + if ( !BER_BVISNULL( &li->acl_authcID ) ) { + fprintf( stderr, "%s: line %d: " + "SASL authcID already defined; replacing...\n", + fname, lineno ); + ch_free( li->acl_authcID.bv_val ); + } + if ( strncasecmp( argv[arg], "u:", STRLENOF( "u:" ) ) == 0 ) { + val += STRLENOF( "u:" ); + } + ber_str2bv( val, 0, 1, &li->acl_authcID ); + + } else if ( strncasecmp( argv[arg], "cred=", STRLENOF( "cred=" ) ) == 0 ) { + char *val = argv[arg] + STRLENOF( "cred=" ); + + if ( !BER_BVISNULL( &li->acl_passwd ) ) { + fprintf( stderr, "%s: line %d: " + "SASL cred already defined; replacing...\n", + fname, lineno ); + ch_free( li->acl_passwd.bv_val ); + } + ber_str2bv( val, 0, 1, &li->acl_passwd ); + + } else { + fprintf( stderr, "%s: line %d: " + "unknown SASL parameter %s\n", + fname, lineno, argv[arg] ); + return 1; + } + } + + li->acl_authmethod = LDAP_AUTH_SASL; + +#else /* !HAVE_CYRUS_SASL */ + fprintf( stderr, "%s: line %d: " + "compile --with-cyrus-sasl to enable SASL auth\n", + fname, lineno ); + return 1; +#endif /* !HAVE_CYRUS_SASL */ + + } else { + fprintf( stderr, "%s: line %d: " + "unhandled acl-method method %s\n", + fname, lineno, argv[1] ); + return 1; + } + + } else { + return SLAP_CONF_UNKNOWN; + } return 0; } -#endif /* ENABLE_REWRITE */