X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fsasl.c;h=f973098617c29da2d0a0d4aa90ff124528fa3492;hb=49b0985c88ea6836a24c314aea2cb2dd0d129544;hp=3366b901a973c1a8a289fc72a20548b446da5b3d;hpb=b282339c96195c0d695168544d7f36a85aa1b0c1;p=openldap diff --git a/servers/slapd/sasl.c b/servers/slapd/sasl.c index 3366b901a9..f973098617 100644 --- a/servers/slapd/sasl.c +++ b/servers/slapd/sasl.c @@ -1,7 +1,16 @@ /* $OpenLDAP$ */ -/* - * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2003 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" @@ -25,13 +34,21 @@ # endif # if SASL_VERSION_MAJOR >= 2 +# ifdef HAVE_SASL_SASL_H # include +# else +# include +# endif # define SASL_CONST const # else # define SASL_CONST # endif static sasl_security_properties_t sasl_secprops; + +#define SASL_VERSION_FULL ((SASL_VERSION_MAJOR << 16) |\ + (SASL_VERSION_MINOR << 8) | SASL_VERSION_STEP) + #endif /* HAVE_CYRUS_SASL */ #include "ldap_pvt.h" @@ -292,7 +309,8 @@ slap_sasl_log( static const char *slap_propnames[] = { "*slapConn", "*authcDN", "*authzDN", NULL }; -static Filter *generic_filter; +static Filter generic_filter = { LDAP_FILTER_PRESENT }; +static struct berval generic_filterstr = BER_BVC("(objectclass=*)"); #define PROP_CONN 0 #define PROP_AUTHC 1 @@ -422,7 +440,7 @@ slap_auxprop_lookup( } if (doit) { - slap_callback cb = { sasl_ap_lookup }; + slap_callback cb = { sasl_ap_lookup, NULL }; cb.sc_private = &sl; @@ -438,18 +456,124 @@ slap_auxprop_lookup( 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_slimit = 1; - op.ors_filter = generic_filter; + op.ors_filter = &generic_filter; + op.ors_filterstr = generic_filterstr; op.o_bd->be_search( &op, &rs ); } } } +#if SASL_VERSION_FULL >= 0x020110 +static int +slap_auxprop_store( + void *glob_context, + sasl_server_params_t *sparams, + struct propctx *prctx, + const char *user, + unsigned ulen) +{ + Operation op = {0}; + SlapReply rs = {REP_RESULT}; + int rc, i, j; + Connection *conn = NULL; + const struct propval *pr; + Modifications *modlist = NULL, **modtail = &modlist, *mod; + slap_callback cb = { slap_null_cb, NULL }; + char textbuf[SLAP_TEXT_BUFLEN]; + const char *text; + size_t textlen = sizeof(textbuf); + + /* just checking if we are enabled */ + if (!prctx) return SASL_OK; + + if (!sparams || !user) return SASL_BADPARAM; + + pr = sparams->utils->prop_get( sparams->propctx ); + + /* 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 ( 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 ( pr[i].values && pr[i].values[0] ) { + AC_MEMCPY( &op.o_req_ndn, pr[i].values[0], sizeof( struct berval ) ); + } + } + } + } + if (!conn || !op.o_req_ndn.bv_val) return SASL_BADPARAM; + + op.o_bd = select_backend( &op.o_req_ndn, 0, 1 ); + + if ( !op.o_bd || !op.o_bd->be_modify ) return SASL_FAIL; + + pr = sparams->utils->prop_get( prctx ); + if (!pr) return SASL_BADPARAM; + + for (i=0; pr[i].name; i++); + if (!i) return SASL_BADPARAM; + + for (i=0; pr[i].name; i++) { + mod = (Modifications *)ch_malloc( sizeof(Modifications) ); + mod->sml_op = LDAP_MOD_REPLACE; + ber_str2bv( pr[i].name, 0, 0, &mod->sml_type ); + mod->sml_values = (struct berval *)ch_malloc( (pr[i].nvalues + 1) * + sizeof(struct berval)); + for (j=0; jsml_values[j]); + } + mod->sml_values[j].bv_val = NULL; + mod->sml_values[j].bv_len = 0; + mod->sml_nvalues = NULL; + mod->sml_desc = NULL; + *modtail = mod; + modtail = &mod->sml_next; + } + *modtail = NULL; + + rc = slap_mods_check( modlist, 0, &text, textbuf, textlen, NULL ); + + if ( rc == LDAP_SUCCESS ) { + rc = slap_mods_opattrs( &op, modlist, modtail, &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; +} +#endif /* SASL_VERSION_FULL >= 2.1.16 */ + static sasl_auxprop_plug_t slap_auxprop_plugin = { 0, /* Features */ 0, /* spare */ @@ -457,7 +581,12 @@ static sasl_auxprop_plug_t slap_auxprop_plugin = { NULL, /* auxprop_free */ slap_auxprop_lookup, "slapd", /* name */ - NULL /* spare */ +#if SASL_VERSION_FULL >= 0x020110 + slap_auxprop_store /* the declaration of this member changed + * in cyrus SASL from 2.1.15 to 2.1.16 */ +#else + NULL +#endif }; static int @@ -500,7 +629,7 @@ sasl_cb_checkpass( Operation *op, SlapReply *rs ) NULL, ACL_AUTH, NULL ) ) return 0; for ( bv = a->a_vals; bv->bv_val != NULL; bv++ ) { - if ( !lutil_passwd( bv, &ci->cred, NULL ) ) { + if ( !lutil_passwd( bv, &ci->cred, NULL, &rs->sr_text ) ) { ci->rc = SASL_OK; break; } @@ -528,7 +657,7 @@ slap_sasl_checkpass( * find an answer here. */ - rc = slap_sasl_getdn( conn, (char *)username, 0, NULL, &op.o_req_ndn, + rc = slap_sasl_getdn( conn, NULL, (char *)username, 0, NULL, &op.o_req_ndn, SLAP_GETDN_AUTHCID ); if ( rc != LDAP_SUCCESS ) { sasl_seterror( sconn, 0, ldap_err2string( rc ) ); @@ -546,7 +675,7 @@ slap_sasl_checkpass( op.o_bd = select_backend( &op.o_req_ndn, 0, 1 ); if ( op.o_bd && op.o_bd->be_search ) { - slap_callback cb = { sasl_cb_checkpass }; + slap_callback cb = { sasl_cb_checkpass, NULL }; SlapReply rs = {REP_RESULT}; ci.cred.bv_val = (char *)pass; @@ -561,12 +690,16 @@ slap_sasl_checkpass( 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_slimit = 1; - op.ors_filter = generic_filter; + op.ors_filter = &generic_filter; + op.ors_filterstr = generic_filterstr; op.o_bd->be_search( &op, &rs ); } @@ -671,7 +804,7 @@ slap_sasl_canonicalize( if ( !rc ) goto done; } - rc = slap_sasl_getdn( conn, (char *)in, inlen, (char *)user_realm, &dn, + rc = slap_sasl_getdn( conn, NULL, (char *)in, inlen, (char *)user_realm, &dn, (flags & SASL_CU_AUTHID) ? SLAP_GETDN_AUTHCID : SLAP_GETDN_AUTHZID ); if ( rc != LDAP_SUCCESS ) { sasl_seterror( sconn, 0, ldap_err2string( rc ) ); @@ -725,7 +858,7 @@ slap_sasl_authorize( "slap_sasl_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n", conn ? conn->c_connid : -1, auth_identity, requested_user); #else - Debug( LDAP_DEBUG_ARGS, "SASL Authorize [conn=%ld]: " + Debug( LDAP_DEBUG_ARGS, "SASL proxy authorize [conn=%ld]: " "authcid=\"%s\" authzid=\"%s\"\n", conn ? conn->c_connid : -1, auth_identity, requested_user ); #endif @@ -748,16 +881,17 @@ slap_sasl_authorize( AC_MEMCPY( &authzDN, auxvals[1].values[0], sizeof(authzDN) ); - rc = slap_sasl_authorized( conn, &authcDN, &authzDN ); + rc = slap_sasl_authorized( conn->c_sasl_bindop, &authcDN, &authzDN ); ch_free( authcDN.bv_val ); if ( rc != LDAP_SUCCESS ) { #ifdef NEW_LOGGING LDAP_LOG( TRANSPORT, INFO, - "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n", + "slap_sasl_authorize: conn %ld " + "proxy authorization disallowed (%d)\n", (long)(conn ? conn->c_connid : -1), rc, 0 ); #else - Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: " - " authorization disallowed (%d)\n", + Debug( LDAP_DEBUG_TRACE, "SASL Proxy Authorize [conn=%ld]: " + "proxy authorization disallowed (%d)\n", (long) (conn ? conn->c_connid : -1), rc, 0 ); #endif @@ -777,11 +911,11 @@ ok: #ifdef NEW_LOGGING LDAP_LOG( TRANSPORT, ENTRY, - "slap_sasl_authorize: conn %d authorization allowed\n", + "slap_sasl_authorize: conn %d proxy authorization allowed\n", (long)(conn ? conn->c_connid : -1), 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: " - " authorization allowed\n", + " proxy authorization allowed\n", (long) (conn ? conn->c_connid : -1), 0, 0 ); #endif return SASL_OK; @@ -821,7 +955,7 @@ slap_sasl_authorize( #endif /* Figure out how much data we have for the dn */ - rc = sasl_getprop( conn->c_sasl_context, SASL_REALM, (void **)&realm ); + rc = sasl_getprop( conn->c_sasl_authctx, SASL_REALM, (void **)&realm ); if( rc != SASL_OK && rc != SASL_NOTDONE ) { #ifdef NEW_LOGGING LDAP_LOG( TRANSPORT, ERR, @@ -836,7 +970,7 @@ slap_sasl_authorize( /* Convert the identities to DN's. If no authzid was given, client will be bound as the DN matching their username */ - rc = slap_sasl_getdn( conn, (char *)authcid, 0, realm, + rc = slap_sasl_getdn( conn, NULL, (char *)authcid, 0, realm, &authcDN, SLAP_GETDN_AUTHCID ); if( rc != LDAP_SUCCESS ) { *errstr = ldap_err2string( rc ); @@ -855,7 +989,7 @@ slap_sasl_authorize( conn->c_sasl_dn = authcDN; goto ok; } - rc = slap_sasl_getdn( conn, (char *)authzid, 0, realm, + rc = slap_sasl_getdn( conn, NULL, (char *)authzid, 0, realm, &authzDN, SLAP_GETDN_AUTHZID ); if( rc != LDAP_SUCCESS ) { ch_free( authcDN.bv_val ); @@ -863,16 +997,17 @@ slap_sasl_authorize( return SASL_NOAUTHZ; } - rc = slap_sasl_authorized(conn, &authcDN, &authzDN ); + rc = slap_sasl_authorized(conn->c_sasl_bindop, &authcDN, &authzDN ); ch_free( authcDN.bv_val ); if( rc ) { #ifdef NEW_LOGGING LDAP_LOG( TRANSPORT, INFO, - "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n", + "slap_sasl_authorize: conn %ld " + "proxy authorization disallowed (%d)\n", (long)(conn ? conn->c_connid : -1), rc, 0 ); #else Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: " - " authorization disallowed (%d)\n", + "proxy authorization disallowed (%d)\n", (long) (conn ? conn->c_connid : -1), rc, 0 ); #endif @@ -885,7 +1020,7 @@ slap_sasl_authorize( ok: #ifdef NEW_LOGGING LDAP_LOG( TRANSPORT, RESULTS, - "slap_sasl_authorize: conn %d authorization allowed\n", + "slap_sasl_authorize: conn %d proxy authorization allowed\n", (long)(conn ? conn->c_connid : -1 ), 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: " @@ -911,6 +1046,9 @@ slap_sasl_err2ldap( int saslerr ) int rc; switch (saslerr) { + case SASL_OK: + rc = LDAP_SUCCESS; + break; case SASL_CONTINUE: rc = LDAP_SASL_BIND_IN_PROGRESS; break; @@ -952,21 +1090,28 @@ int slap_sasl_init( void ) }; #ifdef HAVE_SASL_VERSION -#define SASL_BUILD_VERSION ((SASL_VERSION_MAJOR << 24) |\ - (SASL_VERSION_MINOR << 16) | SASL_VERSION_STEP) + /* stringify the version number, sasl.h doesn't do it for us */ +#define VSTR0(maj, min, pat) #maj "." #min "." #pat +#define VSTR(maj, min, pat) VSTR0(maj, min, pat) +#define SASL_VERSION_STRING VSTR(SASL_VERSION_MAJOR, SASL_VERSION_MINOR, \ + SASL_VERSION_STEP) sasl_version( NULL, &rc ); if ( ((rc >> 16) != ((SASL_VERSION_MAJOR << 8)|SASL_VERSION_MINOR)) || (rc & 0xffff) < SASL_VERSION_STEP) { - + char version[sizeof("xxx.xxx.xxxxx")]; + sprintf( version, "%u.%d.%d", (unsigned)rc >> 24, (rc >> 16) & 0xff, + rc & 0xffff ); #ifdef NEW_LOGGING LDAP_LOG( TRANSPORT, INFO, - "slap_sasl_init: SASL version mismatch, got %x, wanted %x.\n", - rc, SASL_BUILD_VERSION, 0 ); + "slap_sasl_init: SASL library version mismatch:" + " expected " SASL_VERSION_STRING "," + " got %s\n", version, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, - "slap_sasl_init: SASL version mismatch, got %x, wanted %x.\n", - rc, SASL_BUILD_VERSION, 0 ); + "slap_sasl_init: SASL library version mismatch:" + " expected " SASL_VERSION_STRING "," + " got %s\n", version, 0, 0 ); #endif return -1; } @@ -988,6 +1133,8 @@ int slap_sasl_init( void ) ldap_pvt_sasl_mutex_dispose ); #if SASL_VERSION_MAJOR >= 2 + generic_filter.f_desc = slap_schema.si_ad_objectClass; + sasl_auxprop_add_plugin( "slapd", slap_auxprop_init ); #endif /* should provide callbacks for logging */ @@ -1031,9 +1178,6 @@ int slap_sasl_destroy( void ) { #ifdef HAVE_CYRUS_SASL sasl_done(); -#endif -#if SASL_VERSION_MAJOR >= 2 - filter_free( generic_filter ); #endif free( global_host ); global_host = NULL; @@ -1041,7 +1185,7 @@ int slap_sasl_destroy( void ) return 0; } -int slap_sasl_open( Connection *conn ) +int slap_sasl_open( Connection *conn, int reopen ) { int cb, sc = LDAP_SUCCESS; #if SASL_VERSION_MAJOR >= 2 @@ -1052,18 +1196,18 @@ int slap_sasl_open( Connection *conn ) sasl_conn_t *ctx = NULL; sasl_callback_t *session_callbacks; - assert( conn->c_sasl_context == NULL ); - assert( conn->c_sasl_extra == NULL ); + assert( conn->c_sasl_authctx == NULL ); - conn->c_sasl_layers = 0; + if ( !reopen ) { + assert( conn->c_sasl_extra == NULL ); - session_callbacks = + session_callbacks = #if SASL_VERSION_MAJOR >= 2 - SLAP_CALLOC( 5, sizeof(sasl_callback_t)); + SLAP_CALLOC( 5, sizeof(sasl_callback_t)); #else - SLAP_CALLOC( 3, sizeof(sasl_callback_t)); + SLAP_CALLOC( 3, sizeof(sasl_callback_t)); #endif - if( session_callbacks == NULL ) { + if( session_callbacks == NULL ) { #ifdef NEW_LOGGING LDAP_LOG( TRANSPORT, ERR, "slap_sasl_open: SLAP_MALLOC failed", 0, 0, 0 ); @@ -1072,31 +1216,36 @@ int slap_sasl_open( Connection *conn ) "slap_sasl_open: SLAP_MALLOC failed", 0, 0, 0 ); #endif return -1; - } - conn->c_sasl_extra = session_callbacks; + } + conn->c_sasl_extra = session_callbacks; - session_callbacks[cb=0].id = SASL_CB_LOG; - session_callbacks[cb].proc = &slap_sasl_log; - session_callbacks[cb++].context = conn; + session_callbacks[cb=0].id = SASL_CB_LOG; + session_callbacks[cb].proc = &slap_sasl_log; + session_callbacks[cb++].context = conn; - session_callbacks[cb].id = SASL_CB_PROXY_POLICY; - session_callbacks[cb].proc = &slap_sasl_authorize; - session_callbacks[cb++].context = conn; + session_callbacks[cb].id = SASL_CB_PROXY_POLICY; + session_callbacks[cb].proc = &slap_sasl_authorize; + session_callbacks[cb++].context = conn; #if SASL_VERSION_MAJOR >= 2 - session_callbacks[cb].id = SASL_CB_CANON_USER; - session_callbacks[cb].proc = &slap_sasl_canonicalize; - session_callbacks[cb++].context = conn; - - /* XXXX: this should be conditional */ - session_callbacks[cb].id = SASL_CB_SERVER_USERDB_CHECKPASS; - session_callbacks[cb].proc = &slap_sasl_checkpass; - session_callbacks[cb++].context = conn; + session_callbacks[cb].id = SASL_CB_CANON_USER; + session_callbacks[cb].proc = &slap_sasl_canonicalize; + session_callbacks[cb++].context = conn; + + /* XXXX: this should be conditional */ + session_callbacks[cb].id = SASL_CB_SERVER_USERDB_CHECKPASS; + session_callbacks[cb].proc = &slap_sasl_checkpass; + session_callbacks[cb++].context = conn; #endif - session_callbacks[cb].id = SASL_CB_LIST_END; - session_callbacks[cb].proc = NULL; - session_callbacks[cb++].context = NULL; + session_callbacks[cb].id = SASL_CB_LIST_END; + session_callbacks[cb].proc = NULL; + session_callbacks[cb++].context = NULL; + } else { + session_callbacks = conn->c_sasl_extra; + } + + conn->c_sasl_layers = 0; if( global_host == NULL ) { global_host = ldap_pvt_get_fqdn( NULL ); @@ -1104,9 +1253,6 @@ int slap_sasl_open( Connection *conn ) /* create new SASL context */ #if SASL_VERSION_MAJOR >= 2 - if ( generic_filter == NULL ) { - generic_filter = str2filter( "(objectclass=*)" ); - } if ( conn->c_sock_name.bv_len != 0 && strncmp( conn->c_sock_name.bv_val, "IP=", 3 ) == 0) { char *p; @@ -1158,7 +1304,7 @@ int slap_sasl_open( Connection *conn ) return -1; } - conn->c_sasl_context = ctx; + conn->c_sasl_authctx = ctx; if( sc == SASL_OK ) { sc = sasl_setprop( ctx, @@ -1190,7 +1336,7 @@ int slap_sasl_external( { #if SASL_VERSION_MAJOR >= 2 int sc; - sasl_conn_t *ctx = conn->c_sasl_context; + sasl_conn_t *ctx = conn->c_sasl_authctx; if ( ctx == NULL ) { return LDAP_UNAVAILABLE; @@ -1210,7 +1356,7 @@ int slap_sasl_external( #elif defined(HAVE_CYRUS_SASL) int sc; - sasl_conn_t *ctx = conn->c_sasl_context; + sasl_conn_t *ctx = conn->c_sasl_authctx; sasl_external_properties_t extprops; if ( ctx == NULL ) { @@ -1234,13 +1380,6 @@ int slap_sasl_external( int slap_sasl_reset( Connection *conn ) { -#ifdef HAVE_CYRUS_SASL - sasl_conn_t *ctx = conn->c_sasl_context; - - if( ctx != NULL ) { - } -#endif - /* must return "anonymous" */ return LDAP_SUCCESS; } @@ -1249,7 +1388,9 @@ char ** slap_sasl_mechs( Connection *conn ) char **mechs = NULL; #ifdef HAVE_CYRUS_SASL - sasl_conn_t *ctx = conn->c_sasl_context; + sasl_conn_t *ctx = conn->c_sasl_authctx; + + if( ctx == NULL ) ctx = conn->c_sasl_sockctx; if( ctx != NULL ) { int sc; @@ -1285,13 +1426,19 @@ char ** slap_sasl_mechs( Connection *conn ) int slap_sasl_close( Connection *conn ) { #ifdef HAVE_CYRUS_SASL - sasl_conn_t *ctx = conn->c_sasl_context; + sasl_conn_t *ctx = conn->c_sasl_authctx; if( ctx != NULL ) { sasl_dispose( &ctx ); } + if ( conn->c_sasl_sockctx && conn->c_sasl_authctx != conn->c_sasl_sockctx ) { + ctx = conn->c_sasl_sockctx; + sasl_dispose( &ctx ); + } - conn->c_sasl_context = NULL; + conn->c_sasl_authctx = NULL; + conn->c_sasl_sockctx = NULL; + conn->c_sasl_done = 0; free( conn->c_sasl_extra ); conn->c_sasl_extra = NULL; @@ -1303,7 +1450,7 @@ int slap_sasl_close( Connection *conn ) int slap_sasl_bind( Operation *op, SlapReply *rs ) { #ifdef HAVE_CYRUS_SASL - sasl_conn_t *ctx = op->o_conn->c_sasl_context; + sasl_conn_t *ctx = op->o_conn->c_sasl_authctx; struct berval response; unsigned reslen = 0; int sc; @@ -1344,6 +1491,30 @@ int slap_sasl_bind( Operation *op, SlapReply *rs ) #endif if ( !op->o_conn->c_sasl_bind_in_progress ) { + /* If we already authenticated once, must use a new context */ + if ( op->o_conn->c_sasl_done ) { + slap_ssf_t ssf = 0; + const char *authid = NULL; +#if SASL_VERSION_MAJOR >= 2 + sasl_getprop( ctx, SASL_SSF_EXTERNAL, (void *)&ssf ); + sasl_getprop( ctx, SASL_AUTH_EXTERNAL, (void *)&authid ); + if ( authid ) authid = ch_strdup( authid ); +#endif + if ( ctx != op->o_conn->c_sasl_sockctx ) { + sasl_dispose( &ctx ); + } + op->o_conn->c_sasl_authctx = NULL; + + slap_sasl_open( op->o_conn, 1 ); + ctx = op->o_conn->c_sasl_authctx; +#if SASL_VERSION_MAJOR >= 2 + if ( authid ) { + sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf ); + sasl_setprop( ctx, SASL_AUTH_EXTERNAL, authid ); + ch_free( (char *)authid ); + } +#endif + } sc = START( ctx, op->o_conn->c_sasl_bind_mech.bv_val, op->orb_cred.bv_val, op->orb_cred.bv_len, @@ -1363,21 +1534,47 @@ int slap_sasl_bind( Operation *op, SlapReply *rs ) op->orb_edn = op->o_conn->c_sasl_dn; op->o_conn->c_sasl_dn.bv_val = NULL; op->o_conn->c_sasl_dn.bv_len = 0; + op->o_conn->c_sasl_done = 1; rs->sr_err = LDAP_SUCCESS; (void) sasl_getprop( ctx, SASL_SSF, (void *)&ssf ); op->orb_ssf = ssf ? *ssf : 0; + ctx = NULL; if( op->orb_ssf ) { ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex ); op->o_conn->c_sasl_layers++; + + /* If there's an old layer, set sockctx to NULL to + * tell connection_read() to wait for us to finish. + * Otherwise there is a race condition: we have to + * send the Bind response using the old security + * context and then remove it before reading any + * new messages. + */ + if ( op->o_conn->c_sasl_sockctx ) { + ctx = op->o_conn->c_sasl_sockctx; + op->o_conn->c_sasl_sockctx = NULL; + } else { + op->o_conn->c_sasl_sockctx = op->o_conn->c_sasl_authctx; + } ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); } + /* Must send response using old security layer */ if (response.bv_len) rs->sr_sasldata = &response; send_ldap_sasl( op, rs ); - + + /* Now dispose of the old security layer. + */ + if ( ctx ) { + ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex ); + ldap_pvt_sasl_remove( op->o_conn->c_sb ); + op->o_conn->c_sasl_sockctx = op->o_conn->c_sasl_authctx; + ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex ); + sasl_dispose( &ctx ); + } } else if ( sc == SASL_CONTINUE ) { rs->sr_err = LDAP_SASL_BIND_IN_PROGRESS, rs->sr_sasldata = &response; @@ -1433,7 +1630,7 @@ slap_sasl_setpass( Operation *op, SlapReply *rs ) assert( ber_bvcmp( &slap_EXOP_MODIFY_PASSWD, &op->ore_reqoid ) == 0 ); - rs->sr_err = sasl_getprop( op->o_conn->c_sasl_context, SASL_USERNAME, + rs->sr_err = sasl_getprop( op->o_conn->c_sasl_authctx, SASL_USERNAME, (SASL_CONST void **)&id.bv_val ); if( rs->sr_err != SASL_OK ) { @@ -1471,13 +1668,13 @@ slap_sasl_setpass( Operation *op, SlapReply *rs ) } #if SASL_VERSION_MAJOR < 2 - rs->sr_err = sasl_setpass( op->o_conn->c_sasl_context, + rs->sr_err = sasl_setpass( op->o_conn->c_sasl_authctx, id.bv_val, new.bv_val, new.bv_len, 0, &rs->sr_text ); #else - rs->sr_err = sasl_setpass( op->o_conn->c_sasl_context, id.bv_val, + rs->sr_err = sasl_setpass( op->o_conn->c_sasl_authctx, id.bv_val, new.bv_val, new.bv_len, old.bv_val, old.bv_len, 0 ); if( rs->sr_err != SASL_OK ) { - rs->sr_text = sasl_errdetail( op->o_conn->c_sasl_context ); + rs->sr_text = sasl_errdetail( op->o_conn->c_sasl_authctx ); } #endif switch(rs->sr_err) { @@ -1501,14 +1698,12 @@ done: #endif /* HAVE_CYRUS_SASL */ /* Take any sort of identity string and return a DN with the "dn:" prefix. The - string returned in *dn is in its own allocated memory, and must be free'd - by the calling process. - -Mark Adamson, Carnegie Mellon - - The "dn:" prefix is no longer used anywhere inside slapd. It is only used - on strings passed in directly from SASL. - -Howard Chu, Symas Corp. -*/ + * string returned in *dn is in its own allocated memory, and must be free'd + * by the calling process. -Mark Adamson, Carnegie Mellon + * + * The "dn:" prefix is no longer used anywhere inside slapd. It is only used + * on strings passed in directly from SASL. -Howard Chu, Symas Corp. + */ #define SET_NONE 0 #define SET_DN 1 @@ -1516,7 +1711,7 @@ done: static struct berval ext_bv = BER_BVC( "EXTERNAL" ); -int slap_sasl_getdn( Connection *conn, char *id, int len, +int slap_sasl_getdn( Connection *conn, Operation *op, char *id, int len, char *user_realm, struct berval *dn, int flags ) { char *c1; @@ -1532,6 +1727,10 @@ int slap_sasl_getdn( Connection *conn, char *id, int len, id ? ( *id ? id : "" ) : "NULL", len, 0 ); #endif + if ( !op ) { + op = conn->c_sasl_bindop; + } + dn->bv_val = NULL; dn->bv_len = 0; @@ -1559,7 +1758,7 @@ int slap_sasl_getdn( Connection *conn, char *id, int len, /* EXTERNAL DNs are already normalized */ do_norm = 0; is_dn = SET_DN; - ber_str2bv( id, len, 1, dn ); + ber_str2bv_x( id, len, 1, dn, op->o_tmpmemctx ); } else { /* convert to u: form */ @@ -1606,7 +1805,7 @@ int slap_sasl_getdn( Connection *conn, char *id, int len, /* Build the new dn */ c1 = dn->bv_val; - dn->bv_val = SLAP_MALLOC( len+1 ); + dn->bv_val = sl_malloc( len+1, op->o_tmpmemctx ); if( dn->bv_val == NULL ) { #ifdef NEW_LOGGING LDAP_LOG( TRANSPORT, ERR, @@ -1648,16 +1847,16 @@ int slap_sasl_getdn( Connection *conn, char *id, int len, /* Dup the DN in any case, so we don't risk * leaks or dangling pointers later, * and the DN value is '\0' terminated */ - ber_dupbv( &dn2, dn ); + ber_dupbv_x( &dn2, dn, op->o_tmpmemctx ); dn->bv_val = dn2.bv_val; } /* All strings are in DN form now. Normalize if needed. */ if ( do_norm ) { - rc = dnNormalize2( NULL, dn, &dn2 ); + rc = dnNormalize( 0, NULL, NULL, dn, &dn2, op->o_tmpmemctx ); /* User DNs were constructed above and must be freed now */ - ch_free( dn->bv_val ); + sl_free( dn->bv_val, op->o_tmpmemctx ); if ( rc != LDAP_SUCCESS ) { dn->bv_val = NULL; @@ -1668,9 +1867,9 @@ int slap_sasl_getdn( Connection *conn, char *id, int len, } /* Run thru regexp */ - slap_sasl2dn( conn, dn, &dn2 ); + slap_sasl2dn( op, dn, &dn2 ); if( dn2.bv_val ) { - ch_free( dn->bv_val ); + sl_free( dn->bv_val, op->o_tmpmemctx ); *dn = dn2; #ifdef NEW_LOGGING LDAP_LOG( TRANSPORT, ENTRY,