X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fsasl.c;h=fd4b04cdbcd9e14fcd4948414922d540a29f905b;hb=7b9fc0e377286448e930e417a68be53e1edffb30;hp=fb6ef138fc4e28bf4f941ad25f6e000a92a09c0b;hpb=38c7e86d67734be3b7754625b62fedde049ab1de;p=openldap diff --git a/servers/slapd/sasl.c b/servers/slapd/sasl.c index fb6ef138fc..fd4b04cdbc 100644 --- a/servers/slapd/sasl.c +++ b/servers/slapd/sasl.c @@ -1,7 +1,7 @@ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * - * Copyright 1998-2004 The OpenLDAP Foundation. + * Copyright 1998-2006 The OpenLDAP Foundation. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -16,6 +16,10 @@ #include "portable.h" #include +#ifdef HAVE_LIMITS_H +#include +#endif + #include #include @@ -24,8 +28,6 @@ #include "slap.h" -#include - #ifdef HAVE_CYRUS_SASL # ifdef HAVE_SASL_SASL_H # include @@ -64,116 +66,6 @@ typedef struct sasl_ctx { static struct berval ext_bv = BER_BVC( "EXTERNAL" ); -int slap_sasl_config( int cargc, char **cargv, char *line, - const char *fname, int lineno ) -{ - /* set SASL proxy authorization policy */ - if ( !strcasecmp( cargv[0], "authz-policy" ) || - !strcasecmp( cargv[0], "sasl-authz-policy" )) - { - if ( cargc != 2 ) { - Debug( LDAP_DEBUG_ANY, - "%s: line %d: missing policy in" - " \"%s \" line\n", - cargv[0], fname, lineno ); - - return( 1 ); - } - if ( slap_sasl_setpolicy( cargv[1] ) ) { - Debug( LDAP_DEBUG_ANY, "%s: line %d: " - "unable to parse value \"%s\" in \"authz-policy " - "\" line.\n", - fname, lineno, cargv[1] ); - return( 1 ); - } - - } else if ( !strcasecmp( cargv[0], "authz-regexp" ) || - !strcasecmp( cargv[0], "sasl-regexp" ) || - !strcasecmp( cargv[0], "saslregexp" ) ) - { - int rc; - if ( cargc != 3 ) { - Debug( LDAP_DEBUG_ANY, - "%s: line %d: need 2 args in " - "\"authz-regexp \"\n", - fname, lineno, 0 ); - - return( 1 ); - } - rc = slap_sasl_regexp_config( cargv[1], cargv[2] ); - if ( rc ) { - return rc; - } - -#ifdef HAVE_CYRUS_SASL - /* set SASL host */ - } else if ( strcasecmp( cargv[0], "sasl-host" ) == 0 ) { - if ( cargc < 2 ) { - Debug( LDAP_DEBUG_ANY, - "%s: line %d: missing host in \"sasl-host \" line\n", - fname, lineno, 0 ); - - return( 1 ); - } - - if ( global_host != NULL ) { - Debug( LDAP_DEBUG_ANY, - "%s: line %d: already set sasl-host!\n", - fname, lineno, 0 ); - - return 1; - - } else { - global_host = ch_strdup( cargv[1] ); - } - - /* set SASL realm */ - } else if ( strcasecmp( cargv[0], "sasl-realm" ) == 0 ) { - if ( cargc < 2 ) { - Debug( LDAP_DEBUG_ANY, "%s: line %d: " - "missing realm in \"sasl-realm \" line.\n", - fname, lineno, 0 ); - - return( 1 ); - } - - if ( global_realm != NULL ) { - Debug( LDAP_DEBUG_ANY, - "%s: line %d: already set sasl-realm!\n", - fname, lineno, 0 ); - - return 1; - - } else { - global_realm = ch_strdup( cargv[1] ); - } - - /* SASL security properties */ - } else if ( strcasecmp( cargv[0], "sasl-secprops" ) == 0 ) { - char *txt; - - if ( cargc < 2 ) { - Debug( LDAP_DEBUG_ANY, "%s: line %d: " - "missing flags in \"sasl-secprops \" line\n", - fname, lineno, 0 ); - - return 1; - } - - txt = slap_sasl_secprops( cargv[1] ); - if ( txt != NULL ) { - Debug( LDAP_DEBUG_ANY, - "%s: line %d: sasl-secprops: %s\n", - fname, lineno, txt ); - - return 1; - } -#endif /* HAVE_CYRUS_SASL */ - } - - return LDAP_SUCCESS; -} - #ifdef HAVE_CYRUS_SASL int @@ -255,13 +147,13 @@ slap_sasl_log( static const char *slap_propnames[] = { "*slapConn", "*slapAuthcDN", "*slapAuthzDN", NULL }; -static Filter generic_filter = { LDAP_FILTER_PRESENT }; +static Filter generic_filter = { LDAP_FILTER_PRESENT, { 0 }, NULL }; static struct berval generic_filterstr = BER_BVC("(objectclass=*)"); -#define PROP_CONN 0 -#define PROP_AUTHC 1 -#define PROP_AUTHZ 2 -#define PROP_COUNT 3 /* Number of properties we used */ +#define SLAP_SASL_PROP_CONN 0 +#define SLAP_SASL_PROP_AUTHC 1 +#define SLAP_SASL_PROP_AUTHZ 2 +#define SLAP_SASL_PROP_COUNT 3 /* Number of properties we used */ typedef struct lookup_info { int flags; @@ -271,6 +163,8 @@ typedef struct lookup_info { static slap_response sasl_ap_lookup; +static struct berval sc_cleartext = BER_BVC("{CLEARTEXT}"); + static int sasl_ap_lookup( Operation *op, SlapReply *rs ) { @@ -291,7 +185,7 @@ sasl_ap_lookup( Operation *op, SlapReply *rs ) if ( sl->flags & SASL_AUXPROP_AUTHZID ) continue; /* Skip our private properties */ if ( !strcmp( name, slap_propnames[0] )) { - i += PROP_COUNT-1; + i += SLAP_SASL_PROP_COUNT - 1; continue; } name++; @@ -308,6 +202,14 @@ sasl_ap_lookup( Operation *op, SlapReply *rs ) "slap_ap_lookup: str2ad(%s): %s\n", name, text, 0 ); continue; } + + /* If it's the rootdn and a rootpw was present, we already set + * it so don't override it here. + */ + if ( ad == slap_schema.si_ad_userPassword && sl->list[i].values && + be_isroot_dn( op->o_bd, &op->o_req_ndn )) + continue; + a = attr_find( rs->sr_entry->e_attrs, ad ); if ( !a ) continue; if ( ! access_allowed( op, rs->sr_entry, ad, NULL, ACL_AUTH, NULL ) ) { @@ -318,6 +220,34 @@ sasl_ap_lookup( Operation *op, SlapReply *rs ) sl->list[i].name ); } for ( bv = a->a_vals; bv->bv_val; bv++ ) { + /* ITS#3846 don't give hashed passwords to SASL */ + if ( ad == slap_schema.si_ad_userPassword && + bv->bv_val[0] == '{' ) { + rc = lutil_passwd_scheme( bv->bv_val ); + if ( rc ) { + /* If it's not a recognized scheme, just assume it's + * a cleartext password that happened to include brackets. + * + * If it's a recognized scheme, skip this value, unless the + * scheme is {CLEARTEXT}. In that case, skip over the + * scheme name and use the remainder. If there is nothing + * past the scheme name, skip this value. + */ +#ifdef SLAPD_CLEARTEXT + if ( !strncasecmp( bv->bv_val, sc_cleartext.bv_val, + sc_cleartext.bv_len )) { + struct berval cbv; + cbv.bv_len = bv->bv_len - sc_cleartext.bv_len; + if ( cbv.bv_len ) { + cbv.bv_val = bv->bv_val + sc_cleartext.bv_len; + sl->sparams->utils->prop_set( sl->sparams->propctx, + sl->list[i].name, cbv.bv_val, cbv.bv_len ); + } + } +#endif + continue; + } + } sl->sparams->utils->prop_set( sl->sparams->propctx, sl->list[i].name, bv->bv_val, bv->bv_len ); } @@ -345,19 +275,19 @@ slap_auxprop_lookup( /* Find our DN and conn first */ for( i = 0; sl.list[i].name; i++ ) { if ( sl.list[i].name[0] == '*' ) { - if ( !strcmp( sl.list[i].name, slap_propnames[PROP_CONN] ) ) { + if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_CONN] ) ) { if ( sl.list[i].values && sl.list[i].values[0] ) AC_MEMCPY( &conn, sl.list[i].values[0], sizeof( conn ) ); continue; } if ( (flags & SASL_AUXPROP_AUTHZID) && - !strcmp( sl.list[i].name, slap_propnames[PROP_AUTHZ] ) ) { + !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHZ] ) ) { if ( sl.list[i].values && sl.list[i].values[0] ) AC_MEMCPY( &op.o_req_ndn, sl.list[i].values[0], sizeof( struct berval ) ); break; } - if ( !strcmp( sl.list[i].name, slap_propnames[PROP_AUTHC] ) ) { + if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHC] ) ) { if ( sl.list[i].values && sl.list[i].values[0] ) { AC_MEMCPY( &op.o_req_ndn, sl.list[i].values[0], sizeof( struct berval ) ); if ( !(flags & SASL_AUXPROP_AUTHZID) ) @@ -375,7 +305,7 @@ slap_auxprop_lookup( if ( flags & SASL_AUXPROP_AUTHZID ) continue; /* Skip our private properties */ if ( !strcmp( name, slap_propnames[0] )) { - i += PROP_COUNT-1; + i += SLAP_SASL_PROP_COUNT - 1; continue; } name++; @@ -396,31 +326,69 @@ slap_auxprop_lookup( op.o_bd = select_backend( &op.o_req_ndn, 0, 1 ); - if ( op.o_bd && op.o_bd->be_search ) { - SlapReply rs = {REP_RESULT}; - op.o_tag = LDAP_REQ_SEARCH; - op.o_protocol = LDAP_VERSION3; - op.o_ndn = conn->c_ndn; - op.o_callback = &cb; - op.o_time = slap_get_time(); - op.o_do_not_cache = 1; - op.o_is_auth_check = 1; - op.o_threadctx = conn->c_sasl_bindop->o_threadctx; - op.o_tmpmemctx = conn->c_sasl_bindop->o_tmpmemctx; - op.o_tmpmfuncs = conn->c_sasl_bindop->o_tmpmfuncs; - op.o_conn = conn; - op.o_connid = conn->c_connid; - op.o_req_dn = op.o_req_ndn; - op.ors_scope = LDAP_SCOPE_BASE; - op.ors_deref = LDAP_DEREF_NEVER; - op.ors_tlimit = SLAP_NO_LIMIT; - op.ors_slimit = 1; - op.ors_filter = &generic_filter; - op.ors_filterstr = generic_filterstr; - /* FIXME: we want all attributes, right? */ - op.ors_attrs = NULL; - - op.o_bd->be_search( &op, &rs ); + if ( op.o_bd ) { + /* For rootdn, see if we can use the rootpw */ + if ( be_isroot_dn( op.o_bd, &op.o_req_ndn ) && + !BER_BVISEMPTY( &op.o_bd->be_rootpw )) { + struct berval cbv = BER_BVNULL; + + /* If there's a recognized scheme, see if it's CLEARTEXT */ + if ( lutil_passwd_scheme( op.o_bd->be_rootpw.bv_val )) { + if ( !strncasecmp( op.o_bd->be_rootpw.bv_val, + sc_cleartext.bv_val, sc_cleartext.bv_len )) { + + /* If it's CLEARTEXT, skip past scheme spec */ + cbv.bv_len = op.o_bd->be_rootpw.bv_len - + sc_cleartext.bv_len; + if ( cbv.bv_len ) { + cbv.bv_val = op.o_bd->be_rootpw.bv_val + + sc_cleartext.bv_len; + } + } + /* No scheme, use the whole value */ + } else { + cbv = op.o_bd->be_rootpw; + } + if ( !BER_BVISEMPTY( &cbv )) { + for( i = 0; sl.list[i].name; i++ ) { + const char *name = sl.list[i].name; + + if ( name[0] == '*' ) { + if ( flags & SASL_AUXPROP_AUTHZID ) continue; + name++; + } else if ( !(flags & SASL_AUXPROP_AUTHZID ) ) + continue; + + if ( !strcasecmp(name,"userPassword") ) { + sl.sparams->utils->prop_set( sl.sparams->propctx, + sl.list[i].name, cbv.bv_val, cbv.bv_len ); + break; + } + } + } + } + + if ( op.o_bd->be_search ) { + SlapReply rs = {REP_RESULT}; + op.o_hdr = conn->c_sasl_bindop->o_hdr; + op.o_tag = LDAP_REQ_SEARCH; + op.o_ndn = conn->c_ndn; + op.o_callback = &cb; + slap_op_time( &op.o_time, &op.o_tincr ); + op.o_do_not_cache = 1; + op.o_is_auth_check = 1; + op.o_req_dn = op.o_req_ndn; + op.ors_scope = LDAP_SCOPE_BASE; + op.ors_deref = LDAP_DEREF_NEVER; + op.ors_tlimit = SLAP_NO_LIMIT; + op.ors_slimit = 1; + op.ors_filter = &generic_filter; + op.ors_filterstr = generic_filterstr; + /* FIXME: we want all attributes, right? */ + op.ors_attrs = NULL; + + op.o_bd->be_search( &op, &rs ); + } } } } @@ -455,12 +423,12 @@ slap_auxprop_store( /* Find our DN and conn first */ for( i = 0; pr[i].name; i++ ) { if ( pr[i].name[0] == '*' ) { - if ( !strcmp( pr[i].name, slap_propnames[PROP_CONN] ) ) { + if ( !strcmp( pr[i].name, slap_propnames[SLAP_SASL_PROP_CONN] ) ) { if ( pr[i].values && pr[i].values[0] ) AC_MEMCPY( &conn, pr[i].values[0], sizeof( conn ) ); continue; } - if ( !strcmp( pr[i].name, slap_propnames[PROP_AUTHC] ) ) { + if ( !strcmp( pr[i].name, slap_propnames[SLAP_SASL_PROP_AUTHC] ) ) { if ( pr[i].values && pr[i].values[0] ) { AC_MEMCPY( &op.o_req_ndn, pr[i].values[0], sizeof( struct berval ) ); } @@ -482,6 +450,7 @@ slap_auxprop_store( for (i=0; pr[i].name; i++) { mod = (Modifications *)ch_malloc( sizeof(Modifications) ); mod->sml_op = LDAP_MOD_REPLACE; + mod->sml_flags = 0; ber_str2bv( pr[i].name, 0, 0, &mod->sml_type ); mod->sml_values = (struct berval *)ch_malloc( (pr[i].nvalues + 1) * sizeof(struct berval)); @@ -496,33 +465,28 @@ slap_auxprop_store( } *modtail = NULL; - rc = slap_mods_check( modlist, 0, &text, textbuf, textlen, NULL ); + rc = slap_mods_check( modlist, &text, textbuf, textlen, NULL ); if ( rc == LDAP_SUCCESS ) { - rc = slap_mods_opattrs( &op, modlist, modtail, &text, textbuf, - textlen, 1 ); - } + rc = slap_mods_no_user_mod_check( &op, modlist, + &text, textbuf, textlen ); - if ( rc == LDAP_SUCCESS ) { - op.o_tag = LDAP_REQ_MODIFY; - op.o_protocol = LDAP_VERSION3; - op.o_ndn = op.o_req_ndn; - op.o_callback = &cb; - op.o_time = slap_get_time(); - op.o_do_not_cache = 1; - op.o_is_auth_check = 1; - op.o_threadctx = conn->c_sasl_bindop->o_threadctx; - op.o_tmpmemctx = conn->c_sasl_bindop->o_tmpmemctx; - op.o_tmpmfuncs = conn->c_sasl_bindop->o_tmpmfuncs; - op.o_conn = conn; - op.o_connid = conn->c_connid; - op.o_req_dn = op.o_req_ndn; - op.orm_modlist = modlist; - - rc = op.o_bd->be_modify( &op, &rs ); - } - slap_mods_free( modlist ); - return rc ? SASL_FAIL : SASL_OK; + if ( rc == LDAP_SUCCESS ) { + op.o_hdr = conn->c_sasl_bindop->o_hdr; + op.o_tag = LDAP_REQ_MODIFY; + op.o_ndn = op.o_req_ndn; + op.o_callback = &cb; + slap_op_time( &op.o_time, &op.o_tincr ); + op.o_do_not_cache = 1; + op.o_is_auth_check = 1; + op.o_req_dn = op.o_req_ndn; + op.orm_modlist = modlist; + + rc = op.o_bd->be_modify( &op, &rs ); + } + } + slap_mods_free( modlist, 1 ); + return rc != LDAP_SUCCESS ? SASL_FAIL : SASL_OK; } #endif /* SASL_VERSION_FULL >= 2.1.16 */ @@ -578,7 +542,7 @@ slap_sasl_canonicalize( { Connection *conn = (Connection *)context; struct propctx *props = sasl_auxprop_getctx( sconn ); - struct propval auxvals[3]; + struct propval auxvals[ SLAP_SASL_PROP_COUNT ] = { { 0 } }; struct berval dn; int rc, which; const char *names[2]; @@ -611,13 +575,13 @@ slap_sasl_canonicalize( prop_request( props, slap_propnames ); if ( flags & SASL_CU_AUTHID ) - which = PROP_AUTHC; + which = SLAP_SASL_PROP_AUTHC; else - which = PROP_AUTHZ; + which = SLAP_SASL_PROP_AUTHZ; /* Need to store the Connection for auxprop_lookup */ - if ( !auxvals[PROP_CONN].values ) { - names[0] = slap_propnames[PROP_CONN]; + if ( !auxvals[SLAP_SASL_PROP_CONN].values ) { + names[0] = slap_propnames[SLAP_SASL_PROP_CONN]; names[1] = NULL; prop_set( props, names[0], (char *)&conn, sizeof( conn ) ); } @@ -641,7 +605,7 @@ slap_sasl_canonicalize( * it does authzID before the authcID. If we see that authzID * has already been done, don't do anything special with authcID. */ - if ( flags == SASL_CU_AUTHID && !auxvals[PROP_AUTHZ].values ) { + if ( flags == SASL_CU_AUTHID && !auxvals[SLAP_SASL_PROP_AUTHZ].values ) { conn->c_sasl_dn.bv_val = (char *) in; } else if ( flags == SASL_CU_AUTHZID && conn->c_sasl_dn.bv_val ) { rc = strcmp( in, conn->c_sasl_dn.bv_val ); @@ -690,8 +654,12 @@ slap_sasl_authorize( struct propctx *props) { Connection *conn = (Connection *)context; - struct propval auxvals[3]; - struct berval authcDN, authzDN; + /* actually: + * (SLAP_SASL_PROP_COUNT - 1) because we skip "conn", + * + 1 for NULL termination? + */ + struct propval auxvals[ SLAP_SASL_PROP_COUNT ] = { { 0 } }; + struct berval authcDN, authzDN = BER_BVNULL; int rc; /* Simple Binds don't support proxy authorization, ignore it */ @@ -706,7 +674,7 @@ slap_sasl_authorize( BER_BVZERO( &conn->c_sasl_dn ); } - /* Skip PROP_CONN */ + /* Skip SLAP_SASL_PROP_CONN */ prop_getnames( props, slap_propnames+1, auxvals ); /* Should not happen */ @@ -716,17 +684,16 @@ slap_sasl_authorize( } AC_MEMCPY( &authcDN, auxvals[0].values[0], sizeof(authcDN) ); + conn->c_sasl_dn = authcDN; /* Nothing to do if no authzID was given */ if ( !auxvals[1].name || !auxvals[1].values ) { - conn->c_sasl_dn = authcDN; goto ok; } AC_MEMCPY( &authzDN, auxvals[1].values[0], sizeof(authzDN) ); rc = slap_sasl_authorized( conn->c_sasl_bindop, &authcDN, &authzDN ); - ch_free( authcDN.bv_val ); if ( rc != LDAP_SUCCESS ) { Debug( LDAP_DEBUG_TRACE, "SASL Proxy Authorize [conn=%ld]: " "proxy authorization disallowed (%d)\n", @@ -737,18 +704,29 @@ slap_sasl_authorize( return SASL_NOAUTHZ; } - conn->c_sasl_dn = authzDN; + /* FIXME: we need yet another dup because slap_sasl_getdn() + * is using the bind operation slab */ + if ( conn->c_sasl_bindop ) { + ber_dupbv( &conn->c_sasl_authz_dn, &authzDN ); + slap_sl_free( authzDN.bv_val, + conn->c_sasl_bindop->o_tmpmemctx ); + + } else { + conn->c_sasl_authz_dn = authzDN; + } + ok: if (conn->c_sasl_bindop) { Statslog( LDAP_DEBUG_STATS, - "conn=%lu op=%lu BIND authcid=\"%s\"\n", + "conn=%lu op=%lu BIND authcid=\"%s\" authzid=\"%s\"\n", conn->c_connid, conn->c_sasl_bindop->o_opid, - auth_identity, 0, 0); + auth_identity, requested_user, 0); } Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: " - " proxy authorization allowed\n", - (long) (conn ? conn->c_connid : -1), 0, 0 ); + " proxy authorization allowed authzDN=\"%s\"\n", + (long) (conn ? conn->c_connid : -1), + authzDN.bv_val ? authzDN.bv_val : "", 0 ); return SASL_OK; } #else @@ -760,7 +738,7 @@ slap_sasl_authorize( const char **user, const char **errstr) { - struct berval authcDN, authzDN; + struct berval authcDN, authzDN = BER_BVNULL; int rc; Connection *conn = context; char *realm; @@ -797,11 +775,11 @@ slap_sasl_authorize( *errstr = ldap_err2string( rc ); return SASL_NOAUTHZ; } + conn->c_sasl_dn = authcDN; if( ( authzid == NULL ) || !strcmp( authcid, authzid ) ) { Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: " "Using authcDN=%s\n", (long) (conn ? conn->c_connid : -1), authcDN.bv_val,0 ); - conn->c_sasl_dn = authcDN; goto ok; } @@ -810,13 +788,11 @@ slap_sasl_authorize( rc = slap_sasl_getdn( conn, NULL, &bvauthzid, realm, &authzDN, SLAP_GETDN_AUTHZID ); if( rc != LDAP_SUCCESS ) { - ch_free( authcDN.bv_val ); *errstr = ldap_err2string( rc ); return SASL_NOAUTHZ; } - rc = slap_sasl_authorized(conn->c_sasl_bindop, &authcDN, &authzDN ); - ch_free( authcDN.bv_val ); + rc = slap_sasl_authorized( conn->c_sasl_bindop, &authcDN, &authzDN ); if( rc ) { Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: " "proxy authorization disallowed (%d)\n", @@ -826,18 +802,29 @@ slap_sasl_authorize( ch_free( authzDN.bv_val ); return SASL_NOAUTHZ; } - conn->c_sasl_dn = authzDN; + + /* FIXME: we need yet another dup because slap_sasl_getdn() + * is using the bind operation slab */ + if ( conn->c_sasl_bindop ) { + ber_dupbv( &conn->c_sasl_authz_dn, &authzDN ); + slap_sl_free( authzDN.bv_val, + conn->c_sasl_bindop->o_tmpmemctx ); + + } else { + conn->c_sasl_authz_dn = authzDN; + } ok: Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: " - " authorization allowed\n", - (long) (conn ? conn->c_connid : -1), 0, 0 ); + " authorization allowed authzDN=\"%s\"\n", + (long) (conn ? conn->c_connid : -1), + authzDN.bv_val ? authzDN.bv_val : "", 0 ); - if (conn->c_sasl_bindop) { + if ( conn->c_sasl_bindop ) { Statslog( LDAP_DEBUG_STATS, - "conn=%lu op=%lu BIND authcid=\"%s\"\n", + "conn=%lu op=%lu BIND authcid=\"%s\" authzid=\"%s\"\n", conn->c_connid, conn->c_sasl_bindop->o_opid, - authcid, 0, 0); + authcid, authzid ? authzid : "", 0); } *errstr = NULL; @@ -850,6 +837,18 @@ slap_sasl_err2ldap( int saslerr ) { int rc; + /* map SASL errors to LDAP resultCode returned by: + * sasl_server_new() + * SASL_OK, SASL_NOMEM + * sasl_server_step() + * SASL_OK, SASL_CONTINUE, SASL_TRANS, SASL_BADPARAM, SASL_BADPROT, + * ... + * sasl_server_start() + * + SASL_NOMECH + * sasl_setprop() + * SASL_OK, SASL_BADPARAM + */ + switch (saslerr) { case SASL_OK: rc = LDAP_SUCCESS; @@ -858,8 +857,6 @@ slap_sasl_err2ldap( int saslerr ) rc = LDAP_SASL_BIND_IN_PROGRESS; break; case SASL_FAIL: - rc = LDAP_OTHER; - break; case SASL_NOMEM: rc = LDAP_OTHER; break; @@ -867,6 +864,9 @@ slap_sasl_err2ldap( int saslerr ) rc = LDAP_AUTH_METHOD_NOT_SUPPORTED; break; case SASL_BADAUTH: + case SASL_NOUSER: + case SASL_TRANS: + case SASL_EXPIRED: rc = LDAP_INVALID_CREDENTIALS; break; case SASL_NOAUTHZ: @@ -876,6 +876,13 @@ slap_sasl_err2ldap( int saslerr ) case SASL_ENCRYPT: rc = LDAP_INAPPROPRIATE_AUTH; break; + case SASL_UNAVAIL: + case SASL_TRYAGAIN: + rc = LDAP_UNAVAILABLE; + break; + case SASL_DISABLED: + rc = LDAP_UNWILLING_TO_PERFORM; + break; default: rc = LDAP_OTHER; break; @@ -883,7 +890,66 @@ slap_sasl_err2ldap( int saslerr ) return rc; } -#endif + +#ifdef SLAPD_SPASSWD + +static struct berval sasl_pwscheme = BER_BVC("{SASL}"); + +static int chk_sasl( + const struct berval *sc, + const struct berval * passwd, + const struct berval * cred, + const char **text ) +{ + unsigned int i; + int rtn; + void *ctx, *sconn = NULL; + + for( i=0; ibv_len; i++) { + if(cred->bv_val[i] == '\0') { + return LUTIL_PASSWD_ERR; /* NUL character in password */ + } + } + + if( cred->bv_val[i] != '\0' ) { + return LUTIL_PASSWD_ERR; /* cred must behave like a string */ + } + + for( i=0; ibv_len; i++) { + if(passwd->bv_val[i] == '\0') { + return LUTIL_PASSWD_ERR; /* NUL character in password */ + } + } + + if( passwd->bv_val[i] != '\0' ) { + return LUTIL_PASSWD_ERR; /* passwd must behave like a string */ + } + + rtn = LUTIL_PASSWD_ERR; + + ctx = ldap_pvt_thread_pool_context(); + ldap_pvt_thread_pool_getkey( ctx, slap_sasl_bind, &sconn, NULL ); + + if( sconn != NULL ) { + int sc; +# if SASL_VERSION_MAJOR < 2 + sc = sasl_checkpass( sconn, + passwd->bv_val, passwd->bv_len, + cred->bv_val, cred->bv_len, + text ); +# else + sc = sasl_checkpass( sconn, + passwd->bv_val, passwd->bv_len, + cred->bv_val, cred->bv_len ); +# endif + rtn = ( sc != SASL_OK ) ? LUTIL_PASSWD_ERR : LUTIL_PASSWD_OK; + } + + return rtn; +} +#endif /* SLAPD_SPASSWD */ + +#endif /* HAVE_CYRUS_SASL */ int slap_sasl_init( void ) { @@ -955,6 +1021,10 @@ int slap_sasl_init( void ) return -1; } +#ifdef SLAPD_SPASSWD + lutil_passwd_add( &sasl_pwscheme, chk_sasl, NULL ); +#endif + Debug( LDAP_DEBUG_TRACE, "slap_sasl_init: initialized!\n", 0, 0, 0 ); @@ -1381,6 +1451,9 @@ int slap_sasl_bind( Operation *op, SlapReply *rs ) } } else if ( sc == SASL_CONTINUE ) { rs->sr_err = LDAP_SASL_BIND_IN_PROGRESS, +#if SASL_VERSION_MAJOR >= 2 + rs->sr_text = sasl_errdetail( ctx ); +#endif rs->sr_sasldata = &response; send_ldap_sasl( op, rs ); @@ -1393,9 +1466,7 @@ int slap_sasl_bind( Operation *op, SlapReply *rs ) } #if SASL_VERSION_MAJOR < 2 - if( response.bv_len ) { - ch_free( response.bv_val ); - } + if( response.bv_len ) ch_free( response.bv_val ); #endif Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rs->sr_err, 0, 0); @@ -1446,6 +1517,13 @@ char* slap_sasl_secprops( const char *in ) #endif } +void slap_sasl_secprops_unparse( struct berval *bv ) +{ +#ifdef HAVE_CYRUS_SASL + ldap_pvt_sasl_secprops_unparse( &sasl_secprops, bv ); +#endif +} + #ifdef HAVE_CYRUS_SASL int slap_sasl_setpass( Operation *op, SlapReply *rs ) @@ -1535,17 +1613,19 @@ int slap_sasl_getdn( Connection *conn, Operation *op, struct berval *id, int rc, is_dn = SET_NONE, do_norm = 1; struct berval dn2, *mech; - assert( conn ); - assert( id ); + assert( conn != NULL ); + assert( id != NULL ); - Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: conn %d id=%s [len=%d]\n", + Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: conn %lu id=%s [len=%lu]\n", conn->c_connid, BER_BVISNULL( id ) ? "NULL" : ( BER_BVISEMPTY( id ) ? "" : id->bv_val ), - BER_BVISNULL( id ) ? 0 : ( BER_BVISEMPTY( id ) ? 0 : id->bv_len ) ); + BER_BVISNULL( id ) ? 0 : ( BER_BVISEMPTY( id ) ? 0 : + (unsigned long) id->bv_len ) ); if ( !op ) { op = conn->c_sasl_bindop; } + assert( op != NULL ); BER_BVZERO( dn ); @@ -1610,44 +1690,66 @@ int slap_sasl_getdn( Connection *conn, Operation *op, struct berval *id, /* Username strings */ if( is_dn == SET_U ) { - char *p; - struct berval realm = BER_BVNULL, c1 = *dn; - ber_len_t len; - - len = dn->bv_len + STRLENOF( "uid=" ) + STRLENOF( ",cn=auth" ); - - if( user_realm && *user_realm ) { - ber_str2bv( user_realm, 0, 0, &realm ); - len += realm.bv_len + STRLENOF( ",cn=" ); + /* ITS#3419: values may need escape */ + LDAPRDN DN[ 5 ]; + LDAPAVA *RDNs[ 4 ][ 2 ]; + LDAPAVA AVAs[ 4 ]; + int irdn; + + irdn = 0; + DN[ irdn ] = RDNs[ irdn ]; + RDNs[ irdn ][ 0 ] = &AVAs[ irdn ]; + AVAs[ irdn ].la_attr = slap_schema.si_ad_uid->ad_cname; + AVAs[ irdn ].la_value = *dn; + AVAs[ irdn ].la_flags = LDAP_AVA_NULL; + AVAs[ irdn ].la_private = NULL; + RDNs[ irdn ][ 1 ] = NULL; + + if ( user_realm && *user_realm ) { + irdn++; + DN[ irdn ] = RDNs[ irdn ]; + RDNs[ irdn ][ 0 ] = &AVAs[ irdn ]; + AVAs[ irdn ].la_attr = slap_schema.si_ad_cn->ad_cname; + ber_str2bv( user_realm, 0, 0, &AVAs[ irdn ].la_value ); + AVAs[ irdn ].la_flags = LDAP_AVA_NULL; + AVAs[ irdn ].la_private = NULL; + RDNs[ irdn ][ 1 ] = NULL; } - if( mech->bv_len ) { - len += mech->bv_len + STRLENOF( ",cn=" ); + if ( !BER_BVISNULL( mech ) ) { + irdn++; + DN[ irdn ] = RDNs[ irdn ]; + RDNs[ irdn ][ 0 ] = &AVAs[ irdn ]; + AVAs[ irdn ].la_attr = slap_schema.si_ad_cn->ad_cname; + AVAs[ irdn ].la_value = *mech; + AVAs[ irdn ].la_flags = LDAP_AVA_NULL; + AVAs[ irdn ].la_private = NULL; + RDNs[ irdn ][ 1 ] = NULL; } - /* Build the new dn */ - dn->bv_val = slap_sl_malloc( len + 1, op->o_tmpmemctx ); - if( dn->bv_val == NULL ) { - Debug( LDAP_DEBUG_ANY, - "slap_sasl_getdn: SLAP_MALLOC failed", 0, 0, 0 ); - return LDAP_OTHER; - } - p = lutil_strcopy( dn->bv_val, "uid=" ); - p = lutil_strncopy( p, c1.bv_val, c1.bv_len ); + irdn++; + DN[ irdn ] = RDNs[ irdn ]; + RDNs[ irdn ][ 0 ] = &AVAs[ irdn ]; + AVAs[ irdn ].la_attr = slap_schema.si_ad_cn->ad_cname; + BER_BVSTR( &AVAs[ irdn ].la_value, "auth" ); + AVAs[ irdn ].la_flags = LDAP_AVA_NULL; + AVAs[ irdn ].la_private = NULL; + RDNs[ irdn ][ 1 ] = NULL; - if( realm.bv_len ) { - p = lutil_strcopy( p, ",cn=" ); - p = lutil_strncopy( p, realm.bv_val, realm.bv_len ); - } + irdn++; + DN[ irdn ] = NULL; - if( mech->bv_len ) { - p = lutil_strcopy( p, ",cn=" ); - p = lutil_strcopy( p, mech->bv_val ); + rc = ldap_dn2bv_x( DN, dn, LDAP_DN_FORMAT_LDAPV3, + op->o_tmpmemctx ); + if ( rc != LDAP_SUCCESS ) { + BER_BVZERO( dn ); + return rc; } - p = lutil_strcopy( p, ",cn=auth" ); - dn->bv_len = p - dn->bv_val; - Debug( LDAP_DEBUG_TRACE, "slap_sasl_getdn: u:id converted to %s\n", dn->bv_val,0,0 ); + Debug( LDAP_DEBUG_TRACE, + "slap_sasl_getdn: u:id converted to %s\n", + dn->bv_val, 0, 0 ); + } else { /* Dup the DN in any case, so we don't risk @@ -1676,7 +1778,8 @@ int slap_sasl_getdn( Connection *conn, Operation *op, struct berval *id, if( !BER_BVISNULL( &dn2 ) ) { slap_sl_free( dn->bv_val, op->o_tmpmemctx ); *dn = dn2; - Debug( LDAP_DEBUG_TRACE, "getdn: dn:id converted to %s\n", + Debug( LDAP_DEBUG_TRACE, + "slap_sasl_getdn: dn:id converted to %s\n", dn->bv_val, 0, 0 ); }