X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fsasl.c;h=60e9db716dde422360101cb4d508e018359c8f0f;hb=1586a68219cf85e9caaafcf2259c9bc249358077;hp=41ea242603d97bbe4a8e88b9a36db9d7c72e25da;hpb=c603bc3946a2673d9694a78ca7dcf748f8d70d5a;p=openldap
diff --git a/servers/slapd/sasl.c b/servers/slapd/sasl.c
index 41ea242603..60e9db716d 100644
--- a/servers/slapd/sasl.c
+++ b/servers/slapd/sasl.c
@@ -1,7 +1,16 @@
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2000 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"
@@ -15,20 +24,219 @@
#include "slap.h"
-#ifdef HAVE_CYRUS_SASL
#include
-#include
-#include
+#ifdef HAVE_CYRUS_SASL
+# ifdef HAVE_SASL_SASL_H
+# include
+# else
+# include
+# endif
+
+# if SASL_VERSION_MAJOR >= 2
+# ifdef HAVE_SASL_SASL_H
+# include
+# else
+# include
+# endif
+# define SASL_CONST const
+# else
+# define SASL_CONST
+# endif
+
+#define SASL_VERSION_FULL ((SASL_VERSION_MAJOR << 16) |\
+ (SASL_VERSION_MINOR << 8) | SASL_VERSION_STEP)
+
+static sasl_security_properties_t sasl_secprops;
+#elif defined( SLAP_BUILTIN_SASL )
+/*
+ * built-in SASL implementation
+ * only supports EXTERNAL
+ */
+typedef struct sasl_ctx {
+ slap_ssf_t sc_external_ssf;
+ struct berval sc_external_id;
+} SASL_CTX;
+
+#endif
-#ifdef SLAPD_SPASSWD
+#include "ldap_pvt.h"
+#include "lber_pvt.h"
#include
+
+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], "sasl-authz-policy" ) == 0 ) {
+ if ( cargc != 2 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: missing policy in"
+ " \"sasl-authz-policy \" line\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: missing policy in"
+ " \"sasl-authz-policy \" line\n",
+ fname, lineno, 0 );
#endif
+ return( 1 );
+ }
+ if ( slap_sasl_setpolicy( cargv[1] ) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: unable "
+ "to parse value \"%s\" "
+ "in \"sasl-authz-policy "
+ "\" line.\n",
+ fname, lineno, cargv[1] );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: unable "
+ "to parse value \"%s\" "
+ "in \"sasl-authz-policy "
+ "\" line\n",
+ fname, lineno, cargv[1] );
+#endif
+ return( 1 );
+ }
-static sasl_security_properties_t sasl_secprops;
+ } else if ( !strcasecmp( cargv[0], "sasl-regexp" )
+ || !strcasecmp( cargv[0], "saslregexp" ) )
+ {
+ int rc;
+ if ( cargc != 3 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: need 2 args in "
+ "\"saslregexp \"\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: need 2 args in "
+ "\"saslregexp \"\n",
+ fname, lineno, 0 );
+#endif
-static int
+ 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 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: missing host in \"sasl-host \" line\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: missing host in \"sasl-host \" line\n",
+ fname, lineno, 0 );
+#endif
+
+ return( 1 );
+ }
+
+ if ( global_host != NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: already set sasl-host!\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: already set sasl-host!\n",
+ fname, lineno, 0 );
+#endif
+
+ return 1;
+
+ } else {
+ global_host = ch_strdup( cargv[1] );
+ }
+
+ /* set SASL realm */
+ } else if ( strcasecmp( cargv[0], "sasl-realm" ) == 0 ) {
+ if ( cargc < 2 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT, "%s: line %d: "
+ "missing realm in \"sasl-realm \" line.\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "missing realm in \"sasl-realm \" line.\n",
+ fname, lineno, 0 );
+#endif
+
+ return( 1 );
+ }
+
+ if ( global_realm != NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d: already set sasl-realm!\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: already set sasl-realm!\n",
+ fname, lineno, 0 );
+#endif
+
+ 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 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT, "%s: line %d: "
+ "missing flags in \"sasl-secprops \" line\n",
+ fname, lineno, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "missing flags in \"sasl-secprops \" line\n",
+ fname, lineno, 0 );
+#endif
+
+ return 1;
+ }
+
+ txt = slap_sasl_secprops( cargv[1] );
+ if ( txt != NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( CONFIG, CRIT,
+ "%s: line %d sasl-secprops: %s\n",
+ fname, lineno, txt );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: sasl-secprops: %s\n",
+ fname, lineno, txt );
+#endif
+
+ return 1;
+ }
+#endif /* HAVE_CYRUS_SASL */
+ }
+
+ return LDAP_SUCCESS;
+}
+
+#ifdef HAVE_CYRUS_SASL
+
+int
slap_sasl_log(
void *context,
int priority,
@@ -43,6 +251,40 @@ slap_sasl_log(
}
switch (priority) {
+#if SASL_VERSION_MAJOR >= 2
+ case SASL_LOG_NONE:
+ level = LDAP_DEBUG_NONE;
+ label = "None";
+ break;
+ case SASL_LOG_ERR:
+ level = LDAP_DEBUG_ANY;
+ label = "Error";
+ break;
+ case SASL_LOG_FAIL:
+ level = LDAP_DEBUG_ANY;
+ label = "Failure";
+ break;
+ case SASL_LOG_WARN:
+ level = LDAP_DEBUG_TRACE;
+ label = "Warning";
+ break;
+ case SASL_LOG_NOTE:
+ level = LDAP_DEBUG_TRACE;
+ label = "Notice";
+ break;
+ case SASL_LOG_DEBUG:
+ level = LDAP_DEBUG_TRACE;
+ label = "Debug";
+ break;
+ case SASL_LOG_TRACE:
+ level = LDAP_DEBUG_TRACE;
+ label = "Trace";
+ break;
+ case SASL_LOG_PASS:
+ level = LDAP_DEBUG_TRACE;
+ label = "Password Trace";
+ break;
+#else
case SASL_LOG_ERR:
level = LDAP_DEBUG_ANY;
label = "Error";
@@ -55,15 +297,14 @@ slap_sasl_log(
level = LDAP_DEBUG_TRACE;
label = "Info";
break;
+#endif
default:
return SASL_BADPARAM;
}
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "SASL [conn=%ld] %s: %s\n",
- conn ? conn->c_connid : -1,
- label, message ));
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "SASL [conn=%ld] %s: %s\n", conn ? conn->c_connid : -1, label, message);
#else
Debug( level, "SASL [conn=%ld] %s: %s\n",
conn ? conn->c_connid: -1,
@@ -75,188 +316,647 @@ slap_sasl_log(
}
-/* Take any sort of identity string and return a DN with the "dn:" prefix. The
- string returned in *dnptr is in its own allocated memory, and must be free'd
- by the calling process.
- -Mark Adamson, Carnegie Mellon
-*/
+#if SASL_VERSION_MAJOR >= 2
+static const char *slap_propnames[] = {
+ "*slapConn", "*authcDN", "*authzDN", NULL };
-int slap_sasl_getdn( Connection *conn, char *id, char **dnptr, int flags )
-{
- char *c=NULL, *c1, *dn=NULL;
- int rc, len;
- sasl_conn_t *ctx;
+static Filter generic_filter = { LDAP_FILTER_PRESENT };
+static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
+
+#define PROP_CONN 0
+#define PROP_AUTHC 1
+#define PROP_AUTHZ 2
+typedef struct lookup_info {
+ int last;
+ int flags;
+ const struct propval *list;
+ sasl_server_params_t *sparams;
+} lookup_info;
+static slap_response sasl_ap_lookup, sasl_cb_checkpass;
+
+static int
+sasl_ap_lookup( Operation *op, SlapReply *rs )
+{
+ BerVarray bv;
+ AttributeDescription *ad;
+ Attribute *a;
+ const char *text;
+ int rc, i;
+ slap_callback *tmp = op->o_callback;
+ lookup_info *sl = tmp->sc_private;
+
+ if (rs->sr_type != REP_SEARCH) return 0;
+
+ for( i = 0; i < sl->last; i++ ) {
+ const char *name = sl->list[i].name;
+
+ if ( name[0] == '*' ) {
+ if ( sl->flags & SASL_AUXPROP_AUTHZID ) continue;
+ name++;
+ } else if ( !(sl->flags & SASL_AUXPROP_AUTHZID ) )
+ continue;
+
+ if ( sl->list[i].values ) {
+ if ( !(sl->flags & SASL_AUXPROP_OVERRIDE) ) continue;
+ }
+ ad = NULL;
+ rc = slap_str2ad( name, &ad, &text );
+ if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_getdn: conn %d id=%s\n",
- conn ? conn->c_connid : -1,
- id ? (*id ? id : "") : "NULL" ));
+ LDAP_LOG( TRANSPORT, DETAIL1,
+ "slap_auxprop: str2ad(%s): %s\n", name, text, 0 );
#else
- Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: id=%s\n",
- id?(*id?id:""):"NULL",0,0 );
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_auxprop: str2ad(%s): %s\n", name, text, 0 );
#endif
+ 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 ) ) {
+ continue;
+ }
+ if ( sl->list[i].values && ( sl->flags & SASL_AUXPROP_OVERRIDE ) ) {
+ sl->sparams->utils->prop_erase( sl->sparams->propctx,
+ sl->list[i].name );
+ }
+ for ( bv = a->a_vals; bv->bv_val; bv++ ) {
+ sl->sparams->utils->prop_set( sl->sparams->propctx,
+ sl->list[i].name, bv->bv_val, bv->bv_len );
+ }
+ }
+ return LDAP_SUCCESS;
+}
+static void
+slap_auxprop_lookup(
+ void *glob_context,
+ sasl_server_params_t *sparams,
+ unsigned flags,
+ const char *user,
+ unsigned ulen)
+{
+ Operation op = {0};
+ int i, doit = 0;
+ Connection *conn = NULL;
+ lookup_info sl;
+
+ sl.list = sparams->utils->prop_get( sparams->propctx );
+ sl.sparams = sparams;
+ sl.flags = flags;
+
+ /* Find our DN and conn first */
+ for( i = 0, sl.last = 0; sl.list[i].name; i++ ) {
+ if ( sl.list[i].name[0] == '*' ) {
+ if ( !strcmp( sl.list[i].name, slap_propnames[PROP_CONN] ) ) {
+ if ( sl.list[i].values && sl.list[i].values[0] )
+ AC_MEMCPY( &conn, sl.list[i].values[0], sizeof( conn ) );
+ if ( !sl.last ) sl.last = i;
+ }
+ if ( (flags & SASL_AUXPROP_AUTHZID) &&
+ !strcmp( sl.list[i].name, slap_propnames[PROP_AUTHZ] ) ) {
- /* Blatantly anonymous ID */
- if( id &&
- ( id[sizeof( "anonymous" )-1] == '\0'
- || id[sizeof( "anonymous" )-1] == '@' ) &&
- !strncasecmp( id, "anonymous", sizeof( "anonymous" )-1) ) {
- *dnptr = NULL;
- return( LDAP_SUCCESS );
+ 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 ( !sl.last ) sl.last = i;
+ break;
+ }
+ if ( !strcmp( sl.list[i].name, slap_propnames[PROP_AUTHC] ) ) {
+ if ( !sl.last ) sl.last = i;
+ 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) )
+ break;
+ }
+ }
+ }
}
- ctx = conn->c_sasl_context;
- len = strlen( id );
- /* An authcID needs to be converted to authzID form */
- if( flags & FLAG_GETDN_AUTHCID ) {
- if( sasl_external_x509dn_convert && conn->c_sasl_bind_mech
- && ( strcasecmp( "EXTERNAL", conn->c_sasl_bind_mech ) == 0 )
- && len && id[0] == '/' /* && id[len-1]== '/' */)
- {
- /* check SASL external for X.509 style DN and */
- /* convert to dn: form */
- char *tmpdn = ldap_dcedn2dn( id );
- len = strlen( tmpdn );
-
- dn = ch_malloc( len+4 );
- dn[0] = 'd';
- dn[1] = 'n';
- dn[2] = ':';
- AC_MEMCPY( &dn[3], tmpdn, len+1 );
- len += 3;
+ /* Now see what else needs to be fetched */
+ for( i = 0; i < sl.last; i++ ) {
+ const char *name = sl.list[i].name;
- } else {
- /* convert to u: form */
- dn = ch_malloc( len+3 );
- dn[0] = 'u';
- dn[1] = ':';
- AC_MEMCPY( &dn[2], id, len+1 );
- len += 2;
+ if ( name[0] == '*' ) {
+ if ( flags & SASL_AUXPROP_AUTHZID ) continue;
+ name++;
+ } else if ( !(flags & SASL_AUXPROP_AUTHZID ) )
+ continue;
+
+ if ( sl.list[i].values ) {
+ if ( !(flags & SASL_AUXPROP_OVERRIDE) ) continue;
}
- } else {
- dn = ch_strdup( id );
+ doit = 1;
}
- /* An authzID must be properly prefixed */
- if( flags & FLAG_GETDN_AUTHZID
- && strncasecmp( dn, "u:", sizeof("u:")-1 )
- && strncasecmp( dn, "dn:", sizeof("dn:")-1 ) )
- {
- ch_free( dn );
- *dnptr = NULL;
- return( LDAP_INAPPROPRIATE_AUTH );
+ if (doit) {
+ slap_callback cb = { NULL, sasl_ap_lookup, NULL, NULL };
+
+ cb.sc_private = &sl;
+
+ 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_slimit = 1;
+ op.ors_filter = &generic_filter;
+ op.ors_filterstr = generic_filterstr;
+
+ op.o_bd->be_search( &op, &rs );
+ }
}
+}
- /* Username strings */
- if( !strncasecmp( dn, "u:", sizeof("u:")-1 ) ) {
- len += (sizeof("dn:uid=")-1) + (sizeof(",cn=auth")-1);
+#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 = { NULL, slap_null_cb, NULL, 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;
- /* Figure out how much data we have for the dn */
- rc = sasl_getprop( ctx, SASL_REALM, (void **)&c );
- if( rc != SASL_OK && rc != SASL_NOTDONE ) {
-#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_getdn: getprop(REALM) failed.\n" ));
+ 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 */
+ NULL, /* glob_context */
+ NULL, /* auxprop_free */
+ slap_auxprop_lookup,
+ "slapd", /* name */
+#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
- Debug(LDAP_DEBUG_TRACE,
- "getdn: getprop(REALM) failed!\n", 0,0,0);
+ NULL
#endif
+};
- ch_free( dn );
- *dnptr = NULL;
- return( LDAP_OPERATIONS_ERROR );
- }
+static int
+slap_auxprop_init(
+ const sasl_utils_t *utils,
+ int max_version,
+ int *out_version,
+ sasl_auxprop_plug_t **plug,
+ const char *plugname)
+{
+ if ( !out_version | !plug ) return SASL_BADPARAM;
- if( c && *c ) {
- len += strlen( c ) + (sizeof(",cn=")-1);
- }
+ if ( max_version < SASL_AUXPROP_PLUG_VERSION ) return SASL_BADVERS;
- if( conn->c_sasl_bind_mech ) {
- len += strlen( conn->c_sasl_bind_mech ) + (sizeof(",cn=")-1);
- }
+ *out_version = SASL_AUXPROP_PLUG_VERSION;
+ *plug = &slap_auxprop_plugin;
+ return SASL_OK;
+}
- /* Build the new dn */
- c1 = dn;
- dn = ch_malloc( len );
- len = sprintf( dn, "dn:uid=%s", c1+2 );
- ch_free( c1 );
+typedef struct checkpass_info {
+ int rc;
+ struct berval cred;
+} checkpass_info;
- if( c ) {
- len += sprintf( dn+len, ",cn=%s", c );
+static int
+sasl_cb_checkpass( Operation *op, SlapReply *rs )
+{
+ slap_callback *tmp = op->o_callback;
+ checkpass_info *ci = tmp->sc_private;
+ Attribute *a;
+ struct berval *bv;
+
+ if (rs->sr_type != REP_SEARCH) return 0;
+
+ ci->rc = SASL_NOVERIFY;
+
+ a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_userPassword );
+ if ( !a ) return 0;
+ if ( ! access_allowed( op, rs->sr_entry, slap_schema.si_ad_userPassword,
+ NULL, ACL_AUTH, NULL ) ) return 0;
+
+ for ( bv = a->a_vals; bv->bv_val != NULL; bv++ ) {
+ if ( !lutil_passwd( bv, &ci->cred, NULL, &rs->sr_text ) ) {
+ ci->rc = SASL_OK;
+ break;
}
- if( conn->c_sasl_bind_mech ) {
- len += sprintf( dn+len, ",cn=%s", conn->c_sasl_bind_mech );
+ }
+ return 0;
+}
+
+static int
+slap_sasl_checkpass(
+ sasl_conn_t *sconn,
+ void *context,
+ const char *username,
+ const char *pass,
+ unsigned passlen,
+ struct propctx *propctx)
+{
+ Connection *conn = (Connection *)context;
+ Operation op = {0};
+ int rc;
+ checkpass_info ci;
+
+ ci.rc = SASL_NOUSER;
+
+ /* SASL will fallback to its own mechanisms if we don't
+ * find an answer here.
+ */
+
+ 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 ) );
+ return SASL_NOUSER;
+ }
+
+ if ( op.o_req_ndn.bv_len == 0 ) {
+ sasl_seterror( sconn, 0,
+ "No password is associated with the Root DSE" );
+ if ( op.o_req_ndn.bv_val != NULL ) {
+ ch_free( op.o_req_ndn.bv_val );
}
- strcpy( dn+len, ",cn=auth" );
- len += (sizeof(",cn=auth")-1);
+ return SASL_NOUSER;
+ }
+
+ op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
+ if ( op.o_bd && op.o_bd->be_search ) {
+ slap_callback cb = { NULL, sasl_cb_checkpass, NULL, NULL };
+ SlapReply rs = {REP_RESULT};
+
+ ci.cred.bv_val = (char *)pass;
+ ci.cred.bv_len = passlen;
+
+ cb.sc_private = &ci;
+ 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_slimit = 1;
+ op.ors_filter = &generic_filter;
+ op.ors_filterstr = generic_filterstr;
+
+ op.o_bd->be_search( &op, &rs );
+ }
+ if ( ci.rc != SASL_OK ) {
+ sasl_seterror( sconn, 0,
+ ldap_err2string( LDAP_INVALID_CREDENTIALS ) );
+ }
+
+ ch_free( op.o_req_ndn.bv_val );
+
+ return ci.rc;
+}
+
+/* Convert a SASL authcid or authzid into a DN. Store the DN in an
+ * auxiliary property, so that we can refer to it in sasl_authorize
+ * without interfering with anything else. Also, the SASL username
+ * buffer is constrained to 256 characters, and our DNs could be
+ * much longer (SLAP_LDAPDN_MAXLEN, currently set to 8192)
+ */
+static int
+slap_sasl_canonicalize(
+ sasl_conn_t *sconn,
+ void *context,
+ const char *in,
+ unsigned inlen,
+ unsigned flags,
+ const char *user_realm,
+ char *out,
+ unsigned out_max,
+ unsigned *out_len)
+{
+ Connection *conn = (Connection *)context;
+ struct propctx *props = sasl_auxprop_getctx( sconn );
+ struct propval auxvals[3];
+ struct berval dn;
+ int rc, which;
+ const char *names[2];
+
+ *out_len = 0;
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_getdn: u:id converted to %s.\n", dn ));
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
+ conn ? conn->c_connid : -1,
+ (flags & SASL_CU_AUTHID) ? "authcid" : "authzid",
+ in ? in : "");
#else
- Debug( LDAP_DEBUG_TRACE, "getdn: u:id converted to %s\n", dn,0,0 );
+ Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: %s=\"%s\"\n",
+ conn ? conn->c_connid : -1,
+ (flags & SASL_CU_AUTHID) ? "authcid" : "authzid",
+ in ? in : "");
#endif
+
+ /* If name is too big, just truncate. We don't care, we're
+ * using DNs, not the usernames.
+ */
+ if ( inlen > out_max )
+ inlen = out_max-1;
+
+ /* See if we need to add request, can only do it once */
+ prop_getnames( props, slap_propnames, auxvals );
+ if ( !auxvals[0].name )
+ prop_request( props, slap_propnames );
+
+ if ( flags & SASL_CU_AUTHID )
+ which = PROP_AUTHC;
+ else
+ which = PROP_AUTHZ;
+
+ /* Need to store the Connection for auxprop_lookup */
+ if ( !auxvals[PROP_CONN].values ) {
+ names[0] = slap_propnames[PROP_CONN];
+ names[1] = NULL;
+ prop_set( props, names[0], (char *)&conn, sizeof( conn ) );
+ }
+
+ /* Already been here? */
+ if ( auxvals[which].values )
+ goto done;
+
+ /* Normally we require an authzID to have a u: or dn: prefix.
+ * However, SASL frequently gives us an authzID that is just
+ * an exact copy of the authcID, without a prefix. We need to
+ * detect and allow this condition. If SASL calls canonicalize
+ * with SASL_CU_AUTHID|SASL_CU_AUTHZID this is a no-brainer.
+ * But if it's broken into two calls, we need to remember the
+ * authcID so that we can compare the authzID later. We store
+ * the authcID temporarily in conn->c_sasl_dn. We necessarily
+ * finish Canonicalizing before Authorizing, so there is no
+ * conflict with slap_sasl_authorize's use of this temp var.
+ *
+ * The SASL EXTERNAL mech is backwards from all the other mechs,
+ * 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 ) {
+ 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 );
+ conn->c_sasl_dn.bv_val = NULL;
+ /* They were equal, no work needed */
+ if ( !rc ) goto done;
}
- /* DN strings that are a cn=auth identity to run through regexp */
- if( !strncasecmp( dn, "dn:", sizeof("dn:")-1) &&
- ( ( flags & FLAG_GETDN_FINAL ) == 0 ) )
- {
- c1 = slap_sasl2dn( dn + (sizeof("dn:")-1) );
- if( c1 ) {
- ch_free( dn );
- dn = c1;
- /* Reaffix the dn: prefix if it was removed */
- if( strncasecmp( dn, "dn:", sizeof("dn:")-1) ) {
- c1 = dn;
- dn = ch_malloc( strlen( c1 ) + sizeof("dn:") );
- sprintf( dn, "dn:%s", c1 );
- ch_free( c1 );
- }
+ 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 ) );
+ return SASL_NOAUTHZ;
+ }
+ names[0] = slap_propnames[which];
+ names[1] = NULL;
+
+ prop_set( props, names[0], (char *)&dn, sizeof( dn ) );
+
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_getdn: dn:id converted to %s.\n", dn ));
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
+ conn ? conn->c_connid : -1, names[0]+1,
+ dn.bv_val ? dn.bv_val : "" );
#else
- Debug( LDAP_DEBUG_TRACE, "getdn: dn:id converted to %s\n",
- dn, 0, 0 );
+ Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: %s=\"%s\"\n",
+ conn ? conn->c_connid : -1, names[0]+1,
+ dn.bv_val ? dn.bv_val : "" );
#endif
- }
+
+done:
+ AC_MEMCPY( out, in, inlen );
+ out[inlen] = '\0';
+
+ *out_len = inlen;
+
+ return SASL_OK;
+}
+
+static int
+slap_sasl_authorize(
+ sasl_conn_t *sconn,
+ void *context,
+ char *requested_user,
+ unsigned rlen,
+ char *auth_identity,
+ unsigned alen,
+ const char *def_realm,
+ unsigned urlen,
+ struct propctx *props)
+{
+ Connection *conn = (Connection *)context;
+ struct propval auxvals[3];
+ struct berval authcDN, authzDN;
+ int rc;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "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 proxy authorize [conn=%ld]: "
+ "authcid=\"%s\" authzid=\"%s\"\n",
+ conn ? conn->c_connid : -1, auth_identity, requested_user );
+#endif
+ if ( conn->c_sasl_dn.bv_val ) {
+ ch_free( conn->c_sasl_dn.bv_val );
+ conn->c_sasl_dn.bv_val = NULL;
+ conn->c_sasl_dn.bv_len = 0;
}
- if( ( flags & FLAG_GETDN_FINAL ) == 0 ) {
- dn_normalize( dn+(sizeof("dn:")-1) );
+ /* Skip PROP_CONN */
+ prop_getnames( props, slap_propnames+1, auxvals );
+
+ AC_MEMCPY( &authcDN, auxvals[0].values[0], sizeof(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) );
- *dnptr = dn;
- return( LDAP_SUCCESS );
-}
+ 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 "
+ "proxy authorization disallowed (%d)\n",
+ (long)(conn ? conn->c_connid : -1), rc, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "SASL Proxy Authorize [conn=%ld]: "
+ "proxy authorization disallowed (%d)\n",
+ (long) (conn ? conn->c_connid : -1), rc, 0 );
+#endif
+ sasl_seterror( sconn, 0, "not authorized" );
+ ch_free( authzDN.bv_val );
+ return SASL_NOAUTHZ;
+ }
+ conn->c_sasl_dn = authzDN;
+ok:
+ if (conn->c_sasl_bindop) {
+ Statslog( LDAP_DEBUG_STATS,
+ "conn=%lu op=%lu BIND authcid=\"%s\"\n",
+ conn->c_connid, conn->c_sasl_bindop->o_opid,
+ auth_identity, 0, 0);
+ }
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "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]: "
+ " proxy authorization allowed\n",
+ (long) (conn ? conn->c_connid : -1), 0, 0 );
+#endif
+ return SASL_OK;
+}
+#else
static int
slap_sasl_authorize(
void *context,
- const char *authcid,
- const char *authzid,
+ char *authcid,
+ char *authzid,
const char **user,
const char **errstr)
{
- char *authcDN, *authzDN;
+ struct berval authcDN, authzDN;
int rc;
Connection *conn = context;
+ char *realm;
*user = NULL;
+ if ( conn->c_sasl_dn.bv_val ) {
+ ch_free( conn->c_sasl_dn.bv_val );
+ conn->c_sasl_dn.bv_val = NULL;
+ conn->c_sasl_dn.bv_len = 0;
+ }
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sas_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n",
- conn ? conn->c_connid : -1,
- authcid ? authcid : "",
- authzid ? authzid : "" ));
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n",
+ conn ? conn->c_connid : -1, authcid ? authcid : "",
+ authzid ? authzid : "" );
#else
Debug( LDAP_DEBUG_ARGS, "SASL Authorize [conn=%ld]: "
"authcid=\"%s\" authzid=\"%s\"\n",
@@ -265,70 +965,91 @@ slap_sasl_authorize(
authzid ? authzid : "" );
#endif
+ /* Figure out how much data we have for the dn */
+ 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,
+ "slap_sasl_authorize: getprop(REALM) failed.\n", 0, 0, 0 );
+#else
+ Debug(LDAP_DEBUG_TRACE,
+ "authorize: getprop(REALM) failed!\n", 0,0,0);
+#endif
+ *errstr = "Could not extract realm";
+ return SASL_NOAUTHZ;
+ }
/* 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, &authcDN, FLAG_GETDN_AUTHCID );
+ rc = slap_sasl_getdn( conn, NULL, (char *)authcid, 0, realm,
+ &authcDN, SLAP_GETDN_AUTHCID );
if( rc != LDAP_SUCCESS ) {
*errstr = ldap_err2string( rc );
return SASL_NOAUTHZ;
}
if( ( authzid == NULL ) || !strcmp( authcid,authzid ) ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_authorize: conn %d Using authcDN=%s\n",
- conn ? conn->c_connid : -1, authcDN ));
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_authorize: conn %d Using authcDN=%s\n",
+ conn ? conn->c_connid : -1, authcDN.bv_val, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
- "Using authcDN=%s\n", (long) (conn ? conn->c_connid : -1), authcDN,0 );
+ "Using authcDN=%s\n", (long) (conn ? conn->c_connid : -1), authcDN.bv_val,0 );
#endif
- *user = authcDN;
- *errstr = NULL;
- return SASL_OK;
+ conn->c_sasl_dn = authcDN;
+ goto ok;
}
- rc = slap_sasl_getdn( conn, (char *)authzid, &authzDN, FLAG_GETDN_AUTHZID );
+ rc = slap_sasl_getdn( conn, NULL, (char *)authzid, 0, realm,
+ &authzDN, SLAP_GETDN_AUTHZID );
if( rc != LDAP_SUCCESS ) {
- ch_free( authcDN );
+ ch_free( authcDN.bv_val );
*errstr = ldap_err2string( rc );
return SASL_NOAUTHZ;
}
- rc = slap_sasl_authorized( authcDN, authzDN );
+ rc = slap_sasl_authorized(conn->c_sasl_bindop, &authcDN, &authzDN );
+ ch_free( authcDN.bv_val );
if( rc ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
- "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n",
- (long)(conn ? conn->c_connid : -1), rc ));
+ LDAP_LOG( TRANSPORT, INFO,
+ "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
*errstr = "not authorized";
- ch_free( authcDN );
- ch_free( authzDN );
+ ch_free( authzDN.bv_val );
return SASL_NOAUTHZ;
}
+ conn->c_sasl_dn = authzDN;
+ok:
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_authorize: conn %d authorization allowed\n",
- (long)(conn ? conn->c_connid : -1 ) ));
+ LDAP_LOG( TRANSPORT, RESULTS,
+ "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",
(long) (conn ? conn->c_connid : -1), 0, 0 );
#endif
+ if (conn->c_sasl_bindop) {
+ Statslog( LDAP_DEBUG_STATS,
+ "conn=%lu op=%lu BIND authcid=\"%s\"\n",
+ conn->c_connid, conn->c_sasl_bindop->o_opid,
+ authcid, 0, 0);
+ }
- ch_free( authcDN );
- *user = authzDN;
*errstr = NULL;
return SASL_OK;
}
-
+#endif /* SASL_VERSION_MAJOR >= 2 */
static int
slap_sasl_err2ldap( int saslerr )
@@ -336,6 +1057,9 @@ 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;
@@ -367,7 +1091,6 @@ slap_sasl_err2ldap( int saslerr )
}
#endif
-
int slap_sasl_init( void )
{
#ifdef HAVE_CYRUS_SASL
@@ -377,11 +1100,43 @@ int slap_sasl_init( void )
{ SASL_CB_LIST_END, NULL, NULL }
};
+#ifdef HAVE_SASL_VERSION
+ /* 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 library version mismatch:"
+ " expected " SASL_VERSION_STRING ","
+ " got %s\n", version, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "slap_sasl_init: SASL library version mismatch:"
+ " expected " SASL_VERSION_STRING ","
+ " got %s\n", version, 0, 0 );
+#endif
+ return -1;
+ }
+#endif
+
+ /* SASL 2 does its own memory management internally */
+#if SASL_VERSION_MAJOR < 2
sasl_set_alloc(
- ch_malloc,
- ch_calloc,
- ch_realloc,
- ch_free );
+ ber_memalloc,
+ ber_memcalloc,
+ ber_memrealloc,
+ ber_memfree );
+#endif
sasl_set_mutex(
ldap_pvt_sasl_mutex_new,
@@ -389,36 +1144,42 @@ int slap_sasl_init( void )
ldap_pvt_sasl_mutex_unlock,
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 */
/* server name should be configurable */
rc = sasl_server_init( server_callbacks, "slapd" );
if( rc != SASL_OK ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
- "slap_sasl_init: init failed.\n" ));
+ LDAP_LOG( TRANSPORT, INFO, "slap_sasl_init: init failed.\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "sasl_server_init failed\n",
0, 0, 0 );
#endif
+#if SASL_VERSION_MAJOR < 2
+ /* A no-op used to make sure we linked with Cyrus 1.5 */
+ sasl_client_auth( NULL, NULL, NULL, 0, NULL, NULL );
+#endif
return -1;
}
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
- "slap_sasl_init: initialized!\n"));
+ LDAP_LOG( TRANSPORT, INFO, "slap_sasl_init: initialized!\n", 0, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "slap_sasl_init: initialized!\n",
0, 0, 0 );
#endif
-
/* default security properties */
memset( &sasl_secprops, '\0', sizeof(sasl_secprops) );
- sasl_secprops.max_ssf = INT_MAX;
- sasl_secprops.maxbufsize = 65536;
- sasl_secprops.security_flags = SASL_SEC_NOPLAINTEXT|SASL_SEC_NOANONYMOUS;
+ sasl_secprops.max_ssf = INT_MAX;
+ sasl_secprops.maxbufsize = 65536;
+ sasl_secprops.security_flags = SASL_SEC_NOPLAINTEXT|SASL_SEC_NOANONYMOUS;
#endif
return 0;
@@ -435,47 +1196,119 @@ int slap_sasl_destroy( void )
return 0;
}
-int slap_sasl_open( Connection *conn )
+int slap_sasl_open( Connection *conn, int reopen )
{
int sc = LDAP_SUCCESS;
-
#ifdef HAVE_CYRUS_SASL
+ int cb;
+
sasl_conn_t *ctx = NULL;
sasl_callback_t *session_callbacks;
- assert( conn->c_sasl_context == NULL );
- assert( conn->c_sasl_extra == NULL );
+#if SASL_VERSION_MAJOR >= 2
+ char *ipremoteport = NULL, *iplocalport = NULL;
+#endif
- conn->c_sasl_layers = 0;
+ assert( conn->c_sasl_authctx == NULL );
+
+ if ( !reopen ) {
+ assert( conn->c_sasl_extra == NULL );
- session_callbacks =
- ch_calloc( 3, sizeof(sasl_callback_t));
- conn->c_sasl_extra = session_callbacks;
+ session_callbacks =
+#if SASL_VERSION_MAJOR >= 2
+ SLAP_CALLOC( 5, sizeof(sasl_callback_t));
+#else
+ SLAP_CALLOC( 3, sizeof(sasl_callback_t));
+#endif
+ if( session_callbacks == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_open: SLAP_MALLOC failed", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "slap_sasl_open: SLAP_MALLOC failed", 0, 0, 0 );
+#endif
+ return -1;
+ }
+ conn->c_sasl_extra = session_callbacks;
- session_callbacks[0].id = SASL_CB_LOG;
- session_callbacks[0].proc = &slap_sasl_log;
- session_callbacks[0].context = conn;
+ session_callbacks[cb=0].id = SASL_CB_LOG;
+ session_callbacks[cb].proc = &slap_sasl_log;
+ session_callbacks[cb++].context = conn;
- session_callbacks[1].id = SASL_CB_PROXY_POLICY;
- session_callbacks[1].proc = &slap_sasl_authorize;
- session_callbacks[1].context = conn;
+ session_callbacks[cb].id = SASL_CB_PROXY_POLICY;
+ session_callbacks[cb].proc = &slap_sasl_authorize;
+ session_callbacks[cb++].context = conn;
- session_callbacks[2].id = SASL_CB_LIST_END;
- session_callbacks[2].proc = NULL;
- session_callbacks[2].context = NULL;
+#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;
+#endif
+
+ 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 );
}
/* create new SASL context */
+#if SASL_VERSION_MAJOR >= 2
+ if ( conn->c_sock_name.bv_len != 0 &&
+ strncmp( conn->c_sock_name.bv_val, "IP=", 3 ) == 0) {
+ char *p;
+
+ iplocalport = ch_strdup( conn->c_sock_name.bv_val + 3 );
+ /* Convert IPv6 addresses to address;port syntax. */
+ p = strrchr( iplocalport, ' ' );
+ /* Convert IPv4 addresses to address;port syntax. */
+ if ( p == NULL ) p = strchr( iplocalport, ':' );
+ if ( p != NULL ) {
+ *p = ';';
+ }
+ }
+ if ( conn->c_peer_name.bv_len != 0 &&
+ strncmp( conn->c_peer_name.bv_val, "IP=", 3 ) == 0) {
+ char *p;
+
+ ipremoteport = ch_strdup( conn->c_peer_name.bv_val + 3 );
+ /* Convert IPv6 addresses to address;port syntax. */
+ p = strrchr( ipremoteport, ' ' );
+ /* Convert IPv4 addresses to address;port syntax. */
+ if ( p == NULL ) p = strchr( ipremoteport, ':' );
+ if ( p != NULL ) {
+ *p = ';';
+ }
+ }
+ sc = sasl_server_new( "ldap", global_host, global_realm,
+ iplocalport, ipremoteport, session_callbacks, SASL_SUCCESS_DATA, &ctx );
+ if ( iplocalport != NULL ) {
+ ch_free( iplocalport );
+ }
+ if ( ipremoteport != NULL ) {
+ ch_free( ipremoteport );
+ }
+#else
sc = sasl_server_new( "ldap", global_host, global_realm,
session_callbacks, SASL_SECURITY_LAYER, &ctx );
+#endif
if( sc != SASL_OK ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_open: sasl_server_new failed: %d\n", sc ));
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_open: sasl_server_new failed: %d\n", sc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "sasl_server_new failed: %d\n",
sc, 0, 0 );
@@ -484,7 +1317,7 @@ 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,
@@ -492,8 +1325,8 @@ int slap_sasl_open( Connection *conn )
if( sc != SASL_OK ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_open: sasl_setprop failed: %d \n", sc ));
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_open: sasl_setprop failed: %d \n", sc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "sasl_setprop failed: %d\n",
sc, 0, 0 );
@@ -505,18 +1338,51 @@ int slap_sasl_open( Connection *conn )
}
sc = slap_sasl_err2ldap( sc );
+
+#elif defined(SLAP_BUILTIN_SASL)
+ /* built-in SASL implementation */
+ SASL_CTX *ctx = (SASL_CTX *) SLAP_MALLOC(sizeof(SASL_CTX));
+ if( ctx == NULL ) return -1;
+
+ ctx->sc_external_ssf = 0;
+ ctx->sc_external_id.bv_len = 0;
+ ctx->sc_external_id.bv_val = NULL;
+
+ conn->c_sasl_authctx = ctx;
#endif
+
return sc;
}
int slap_sasl_external(
Connection *conn,
slap_ssf_t ssf,
- const char *auth_id )
+ struct berval *auth_id )
{
-#ifdef HAVE_CYRUS_SASL
+#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;
+ }
+
+ sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
+
+ if ( sc != SASL_OK ) {
+ return LDAP_OTHER;
+ }
+
+ sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL,
+ auth_id ? auth_id->bv_val : NULL );
+
+ if ( sc != SASL_OK ) {
+ return LDAP_OTHER;
+ }
+
+#elif defined(HAVE_CYRUS_SASL)
+ int sc;
+ sasl_conn_t *ctx = conn->c_sasl_authctx;
sasl_external_properties_t extprops;
if ( ctx == NULL ) {
@@ -525,7 +1391,7 @@ int slap_sasl_external(
memset( &extprops, '\0', sizeof(extprops) );
extprops.ssf = ssf;
- extprops.auth_id = (char *) auth_id;
+ extprops.auth_id = auth_id ? auth_id->bv_val : NULL;
sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
(void *) &extprops );
@@ -533,6 +1399,20 @@ int slap_sasl_external(
if ( sc != SASL_OK ) {
return LDAP_OTHER;
}
+#elif defined(SLAP_BUILTIN_SASL)
+ /* built-in SASL implementation */
+ SASL_CTX *ctx = conn->c_sasl_authctx;
+ if ( ctx == NULL ) return LDAP_UNAVAILABLE;
+
+ ctx->sc_external_ssf = ssf;
+ if( auth_id ) {
+ ctx->sc_external_id = *auth_id;
+ auth_id->bv_len = 0;
+ auth_id->bv_val = NULL;
+ } else {
+ ctx->sc_external_id.bv_len = 0;
+ ctx->sc_external_id.bv_val = NULL;
+ }
#endif
return LDAP_SUCCESS;
@@ -540,13 +1420,6 @@ 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;
}
@@ -555,11 +1428,13 @@ 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;
- char *mechstr;
+ SASL_CONST char *mechstr;
sc = sasl_listmech( ctx,
NULL, NULL, ",", NULL,
@@ -567,8 +1442,8 @@ char ** slap_sasl_mechs( Connection *conn )
if( sc != SASL_OK ) {
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_mechs: sasl_listmech failed: %d\n", sc ));
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_mechs: sasl_listmech failed: %d\n", sc, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "slap_sasl_listmech failed: %d\n",
sc, 0, 0 );
@@ -577,9 +1452,18 @@ char ** slap_sasl_mechs( Connection *conn )
return NULL;
}
- mechs = str2charray( mechstr, "," );
+ mechs = ldap_str2charray( mechstr, "," );
+#if SASL_VERSION_MAJOR < 2
ch_free( mechstr );
+#endif
+ }
+#elif defined(SLAP_BUILTIN_SASL)
+ /* builtin SASL implementation */
+ SASL_CTX *ctx = conn->c_sasl_authctx;
+ if ( ctx != NULL && ctx->sc_external_id.bv_val ) {
+ /* should check ssf */
+ mechs = ldap_str2charray( "EXTERNAL", "," );
}
#endif
@@ -589,157 +1473,225 @@ 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;
+
+#elif defined(SLAP_BUILTIN_SASL)
+ SASL_CTX *ctx = conn->c_sasl_authctx;
+ if( ctx ) {
+ if( ctx->sc_external_id.bv_val ) {
+ free( ctx->sc_external_id.bv_val );
+ ctx->sc_external_id.bv_val = NULL;
+ }
+ free( ctx );
+ conn->c_sasl_authctx = NULL;
+ }
#endif
return LDAP_SUCCESS;
}
-int slap_sasl_bind(
- Connection *conn,
- Operation *op,
- struct berval *dn,
- struct berval *ndn,
- struct berval *cred,
- char **edn,
- slap_ssf_t *ssfp )
+int slap_sasl_bind( Operation *op, SlapReply *rs )
{
- int rc = 1;
-
#ifdef HAVE_CYRUS_SASL
- sasl_conn_t *ctx = conn->c_sasl_context;
+ sasl_conn_t *ctx = op->o_conn->c_sasl_authctx;
struct berval response;
unsigned reslen = 0;
- const char *errstr;
int sc;
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "sasl_bind: conn %ld dn=\"%s\" mech=%s datalen=%ld\n",
- conn->c_connid,
- dn->bv_len ? dn->bv_val : "",
- conn->c_sasl_bind_in_progress ? "" : conn->c_sasl_bind_mech,
- cred ? cred->bv_len : 0 ));
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "sasl_bind: dn=\"%s\" mech=%s datalen=%ld\n",
+ op->o_req_dn.bv_len ? op->o_req_dn.bv_val : "",
+ op->o_conn->c_sasl_bind_in_progress ? "" :
+ op->o_conn->c_sasl_bind_mech.bv_val,
+ op->orb_cred.bv_len );
#else
Debug(LDAP_DEBUG_ARGS,
"==> sasl_bind: dn=\"%s\" mech=%s datalen=%ld\n",
- dn->bv_len ? dn->bv_val : "",
- conn->c_sasl_bind_in_progress ? "":conn->c_sasl_bind_mech,
- cred ? cred->bv_len : 0 );
+ op->o_req_dn.bv_len ? op->o_req_dn.bv_val : "",
+ op->o_conn->c_sasl_bind_in_progress ? "" :
+ op->o_conn->c_sasl_bind_mech.bv_val,
+ op->orb_cred.bv_len );
#endif
-
if( ctx == NULL ) {
- send_ldap_result( conn, op, LDAP_UNAVAILABLE,
- NULL, "SASL unavailable on this session", NULL, NULL );
- return rc;
+ send_ldap_error( op, rs, LDAP_UNAVAILABLE,
+ "SASL unavailable on this session" );
+ return rs->sr_err;
}
- if ( !conn->c_sasl_bind_in_progress ) {
- sc = sasl_server_start( ctx,
- conn->c_sasl_bind_mech,
- cred->bv_len ? cred->bv_val : "",
- cred->bv_len,
- (char **)&response.bv_val, &reslen, &errstr );
+#if SASL_VERSION_MAJOR >= 2
+#define START( ctx, mech, cred, clen, resp, rlen, err ) \
+ sasl_server_start( ctx, mech, cred, clen, resp, rlen )
+#define STEP( ctx, cred, clen, resp, rlen, err ) \
+ sasl_server_step( ctx, cred, clen, resp, rlen )
+#else
+#define START( ctx, mech, cred, clen, resp, rlen, err ) \
+ sasl_server_start( ctx, mech, cred, clen, resp, rlen, err )
+#define STEP( ctx, cred, clen, resp, rlen, err ) \
+ sasl_server_step( ctx, cred, clen, resp, rlen, err )
+#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,
+ (SASL_CONST char **)&response.bv_val, &reslen, &rs->sr_text );
} else {
- sc = sasl_server_step( ctx,
- cred->bv_val, cred->bv_len,
- (char **)&response.bv_val, &reslen, &errstr );
+ sc = STEP( ctx,
+ op->orb_cred.bv_val, op->orb_cred.bv_len,
+ (SASL_CONST char **)&response.bv_val, &reslen, &rs->sr_text );
}
response.bv_len = reslen;
if ( sc == SASL_OK ) {
- char *username = NULL;
-
- sc = sasl_getprop( ctx,
- SASL_USERNAME, (void **)&username );
-
- if ( sc != SASL_OK ) {
-#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
- "slap_sasl_bind: getprop(USERNAME) failed: %d\n", sc ));
-#else
- Debug(LDAP_DEBUG_TRACE,
- "slap_sasl_bind: getprop(USERNAME) failed!\n",
- 0, 0, 0);
-#endif
-
-
- send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
- NULL, "no SASL username", NULL, NULL );
-
- } else {
- rc = slap_sasl_getdn( conn, username, edn, FLAG_GETDN_FINAL );
-
- if( rc == LDAP_SUCCESS ) {
- int i;
- sasl_ssf_t *ssf = NULL;
- (void) sasl_getprop( ctx, SASL_SSF, (void *)&ssf );
- *ssfp = ssf ? *ssf : 0;
-
- if( *ssfp ) {
- ldap_pvt_thread_mutex_lock( &conn->c_mutex );
- conn->c_sasl_layers++;
- ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
- }
-
- /* Store the authorization DN as a subjectDN */
- if ( *edn ) {
- i = 2;
- do {
- i++;
- (*edn)[i-3] = (*edn)[i];
- } while( (*edn)[i] );
- }
-
- send_ldap_sasl( conn, op, rc,
- NULL, NULL, NULL, NULL,
- response.bv_len ? &response : NULL );
-
+ sasl_ssf_t *ssf = NULL;
+
+ 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 {
- send_ldap_result( conn, op, rc,
- NULL, errstr, NULL, NULL );
+ 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 ) {
- send_ldap_sasl( conn, op, rc = LDAP_SASL_BIND_IN_PROGRESS,
- NULL, NULL, NULL, NULL, &response );
+ rs->sr_err = LDAP_SASL_BIND_IN_PROGRESS,
+ rs->sr_sasldata = &response;
+ send_ldap_sasl( op, rs );
} else {
- send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
- NULL, errstr, NULL, NULL );
+#if SASL_VERSION_MAJOR >= 2
+ rs->sr_text = sasl_errdetail( ctx );
+#endif
+ rs->sr_err = slap_sasl_err2ldap( sc ),
+ send_ldap_result( op, rs );
}
+#if SASL_VERSION_MAJOR < 2
if( response.bv_len ) {
ch_free( response.bv_val );
}
+#endif
#ifdef NEW_LOGGING
- LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
- "slap_sasl_bind: rc=%d\n", rc ));
+ LDAP_LOG( TRANSPORT, RESULTS, "slap_sasl_bind: rc=%d\n", rs->sr_err, 0, 0 );
#else
- Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rc, 0, 0);
+ Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rs->sr_err, 0, 0);
#endif
+#elif defined(SLAP_BUILTIN_SASL)
+ /* built-in SASL implementation */
+ SASL_CTX *ctx = op->o_conn->c_sasl_authctx;
+
+ if ( ctx == NULL ) {
+ send_ldap_error( op, rs, LDAP_OTHER,
+ "Internal SASL Error" );
+
+ } else if ( bvmatch( &ext_bv, &op->o_conn->c_sasl_bind_mech ) ) {
+ /* EXTERNAL */
+
+ if( op->orb_cred.bv_len ) {
+ rs->sr_text = "proxy authorization not support";
+ rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+ send_ldap_result( op, rs );
+ } else {
+ op->orb_edn = ctx->sc_external_id;
+ rs->sr_err = LDAP_SUCCESS;
+ rs->sr_sasldata = NULL;
+ send_ldap_sasl( op, rs );
+ }
+
+ } else {
+ send_ldap_error( op, rs, LDAP_AUTH_METHOD_NOT_SUPPORTED,
+ "requested SASL mechanism not supported" );
+ }
#else
- send_ldap_result( conn, op, rc = LDAP_UNAVAILABLE,
- NULL, "SASL not supported", NULL, NULL );
+ send_ldap_error( op, rs, LDAP_AUTH_METHOD_NOT_SUPPORTED,
+ "SASL not supported" );
#endif
- return rc;
+ return rs->sr_err;
}
char* slap_sasl_secprops( const char *in )
@@ -752,3 +1704,286 @@ char* slap_sasl_secprops( const char *in )
return "SASL not supported";
#endif
}
+
+#ifdef HAVE_CYRUS_SASL
+int
+slap_sasl_setpass( Operation *op, SlapReply *rs )
+{
+ struct berval id = { 0, NULL }; /* needs to come from connection */
+ struct berval new = { 0, NULL };
+ struct berval old = { 0, NULL };
+
+ assert( ber_bvcmp( &slap_EXOP_MODIFY_PASSWD, &op->ore_reqoid ) == 0 );
+
+ 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 ) {
+ rs->sr_text = "unable to retrieve SASL username";
+ rs->sr_err = LDAP_OTHER;
+ goto done;
+ }
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, ENTRY,
+ "slap_sasl_setpass: \"%s\"\n",
+ id.bv_val ? id.bv_val : "", 0, 0);
+#else
+ Debug( LDAP_DEBUG_ARGS, "==> slap_sasl_setpass: \"%s\"\n",
+ id.bv_val ? id.bv_val : "", 0, 0 );
+#endif
+
+ rs->sr_err = slap_passwd_parse( op->ore_reqdata,
+ NULL, &old, &new, &rs->sr_text );
+
+ if( rs->sr_err != LDAP_SUCCESS ) {
+ goto done;
+ }
+
+ if( new.bv_len == 0 ) {
+ slap_passwd_generate(&new);
+
+ if( new.bv_len == 0 ) {
+ rs->sr_text = "password generation failed.";
+ rs->sr_err = LDAP_OTHER;
+ goto done;
+ }
+
+ rs->sr_rspdata = slap_passwd_return( &new );
+ }
+
+#if SASL_VERSION_MAJOR < 2
+ 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_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_authctx );
+ }
+#endif
+ switch(rs->sr_err) {
+ case SASL_OK:
+ rs->sr_err = LDAP_SUCCESS;
+ break;
+
+ case SASL_NOCHANGE:
+ case SASL_NOMECH:
+ case SASL_DISABLED:
+ case SASL_PWLOCK:
+ case SASL_FAIL:
+ case SASL_BADPARAM:
+ default:
+ rs->sr_err = LDAP_OTHER;
+ }
+
+done:
+ return rs->sr_err;
+}
+#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.
+ */
+
+#define SET_NONE 0
+#define SET_DN 1
+#define SET_U 2
+
+int slap_sasl_getdn( Connection *conn, Operation *op, char *id, int len,
+ char *user_realm, struct berval *dn, int flags )
+{
+ int rc, is_dn = SET_NONE, do_norm = 1;
+ struct berval dn2, *mech;
+
+ assert( conn );
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_getdn: conn %d id=%s [len=%d]\n",
+ conn->c_connid, id ? (*id ? id : "") : "NULL", len );
+#else
+ Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: id=%s [len=%d]\n",
+ id ? ( *id ? id : "" ) : "NULL", len, 0 );
+#endif
+
+ if ( !op ) {
+ op = conn->c_sasl_bindop;
+ }
+
+ dn->bv_val = NULL;
+ dn->bv_len = 0;
+
+ if ( id ) {
+ if ( len == 0 ) len = strlen( id );
+
+ /* Blatantly anonymous ID */
+ if ( len == sizeof("anonymous") - 1 &&
+ !strcasecmp( id, "anonymous" ) ) {
+ return( LDAP_SUCCESS );
+ }
+ } else {
+ len = 0;
+ }
+
+ if ( conn->c_sasl_bind_mech.bv_len ) {
+ mech = &conn->c_sasl_bind_mech;
+ } else {
+ mech = &conn->c_authmech;
+ }
+
+ /* An authcID needs to be converted to authzID form. Set the
+ * values directly into *dn; they will be normalized later. (and
+ * normalizing always makes a new copy.) An ID from a TLS certificate
+ * is already normalized, so copy it and skip normalization.
+ */
+ if( flags & SLAP_GETDN_AUTHCID ) {
+ if( bvmatch( mech, &ext_bv )) {
+ /* EXTERNAL DNs are already normalized */
+ do_norm = 0;
+ is_dn = SET_DN;
+ ber_str2bv_x( id, len, 1, dn, op->o_tmpmemctx );
+
+ } else {
+ /* convert to u: form */
+ is_dn = SET_U;
+ dn->bv_val = id;
+ dn->bv_len = len;
+ }
+ }
+ if( is_dn == SET_NONE ) {
+ if( !strncasecmp( id, "u:", sizeof("u:")-1 )) {
+ is_dn = SET_U;
+ dn->bv_val = id+2;
+ dn->bv_len = len-2;
+ } else if ( !strncasecmp( id, "dn:", sizeof("dn:")-1) ) {
+ is_dn = SET_DN;
+ dn->bv_val = id+3;
+ dn->bv_len = len-3;
+ }
+ }
+
+ /* No other possibilities from here */
+ if( is_dn == SET_NONE ) {
+ dn->bv_val = NULL;
+ dn->bv_len = 0;
+ return( LDAP_INAPPROPRIATE_AUTH );
+ }
+
+ /* Username strings */
+ if( is_dn == SET_U ) {
+ char *p;
+ struct berval realm = { 0, NULL }, c1 = *dn;
+
+ len = dn->bv_len + sizeof("uid=")-1 + sizeof(",cn=auth")-1;
+
+#if 0
+ /* username may have embedded realm name */
+ /* FIXME:
+ * userids can legally have embedded '@' chars;
+ * the realm should be set by those mechanisms
+ * that support it by means of the user_realm
+ * variable
+ */
+ if( ( realm.bv_val = strrchr( dn->bv_val, '@') ) ) {
+ char *r = realm.bv_val;
+
+ realm.bv_val++;
+ realm.bv_len = dn->bv_len - ( realm.bv_val - dn->bv_val );
+ len += sizeof( ",cn=" ) - 2;
+ c1.bv_len -= realm.bv_len + 1;
+
+ if ( strchr( dn->bv_val, '@') == r ) {
+ /* FIXME: ambiguity, is it the realm
+ * or something else? */
+ }
+
+ } else
+#endif
+ if( user_realm && *user_realm ) {
+ realm.bv_val = user_realm;
+ realm.bv_len = strlen( user_realm );
+ len += realm.bv_len + sizeof(",cn=") - 1;
+ }
+
+ if( mech->bv_len ) {
+ len += mech->bv_len + sizeof(",cn=")-1;
+ }
+
+ /* Build the new dn */
+ dn->bv_val = sl_malloc( len+1, op->o_tmpmemctx );
+ if( dn->bv_val == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ERR,
+ "slap_sasl_getdn: SLAP_MALLOC failed", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "slap_sasl_getdn: SLAP_MALLOC failed", 0, 0, 0 );
+#endif
+ return LDAP_OTHER;
+ }
+ p = lutil_strcopy( dn->bv_val, "uid=" );
+ p = lutil_strncopy( p, c1.bv_val, c1.bv_len );
+
+ if( realm.bv_len ) {
+ p = lutil_strcopy( p, ",cn=" );
+ p = lutil_strncopy( p, realm.bv_val, realm.bv_len );
+ }
+
+ if( mech->bv_len ) {
+ p = lutil_strcopy( p, ",cn=" );
+ p = lutil_strcopy( p, mech->bv_val );
+ }
+ p = lutil_strcopy( p, ",cn=auth" );
+ dn->bv_len = p - dn->bv_val;
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_getdn: u:id converted to %s.\n", dn->bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "slap_sasl_getdn: u:id converted to %s\n", dn->bv_val,0,0 );
+#endif
+ } else {
+
+ /* 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_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 = dnNormalize( 0, NULL, NULL, dn, &dn2, op->o_tmpmemctx );
+
+ /* User DNs were constructed above and must be freed now */
+ sl_free( dn->bv_val, op->o_tmpmemctx );
+
+ if ( rc != LDAP_SUCCESS ) {
+ dn->bv_val = NULL;
+ dn->bv_len = 0;
+ return rc;
+ }
+ *dn = dn2;
+ }
+
+ /* Run thru regexp */
+ slap_sasl2dn( op, dn, &dn2, flags );
+ if( dn2.bv_val ) {
+ sl_free( dn->bv_val, op->o_tmpmemctx );
+ *dn = dn2;
+#ifdef NEW_LOGGING
+ LDAP_LOG( TRANSPORT, ENTRY,
+ "slap_sasl_getdn: dn:id converted to %s.\n", dn->bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE, "getdn: dn:id converted to %s\n",
+ dn->bv_val, 0, 0 );
+#endif
+ }
+
+ return( LDAP_SUCCESS );
+}