Adding upstream version 2.4.47+dfsg.upstream/2.4.47+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 411 insertions, 0 deletions

diff --git a/servers/slapd/slapacl.c b/servers/slapd/slapacl.c
new file mode 100644
index 0000000..20e2aff
--- /dev/null
+++ b/servers/slapd/slapacl.c
@@ -0,0 +1,411 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2004-2018 The OpenLDAP Foundation.
+ * Portions Copyright 2004 Pierangelo Masarati.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by Pierangelo Masarati for inclusion
+ * in OpenLDAP Software.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/stdlib.h>
+
+#include <ac/ctype.h>
+#include <ac/string.h>
+#include <ac/socket.h>
+#include <ac/unistd.h>
+
+#include <lber.h>
+#include <ldif.h>
+#include <lutil.h>
+
+#include "slapcommon.h"
+
+static int
+print_access(
+	Operation		*op,
+	Entry			*e,
+	AttributeDescription	*desc,
+	struct berval		*val,
+	struct berval		*nval )
+{
+	int			rc;
+	slap_mask_t		mask;
+	char			accessmaskbuf[ACCESSMASK_MAXLEN];
+
+	rc = access_allowed_mask( op, e, desc, nval, ACL_AUTH, NULL, &mask );
+
+	fprintf( stderr, "%s%s%s: %s\n",
+			desc->ad_cname.bv_val,
+			( val && !BER_BVISNULL( val ) ) ? "=" : "",
+			( val && !BER_BVISNULL( val ) ) ?
+				( desc == slap_schema.si_ad_userPassword ?
+					"****" : val->bv_val ) : "",
+			accessmask2str( mask, accessmaskbuf, 1 ) );
+
+	return rc;
+}
+
+int
+slapacl( int argc, char **argv )
+{
+	int			rc = EXIT_SUCCESS;
+	const char		*progname = "slapacl";
+	Connection		conn = { 0 };
+	Listener		listener;
+	OperationBuffer	opbuf;
+	Operation		*op = NULL;
+	Entry			e = { 0 }, *ep = &e;
+	char			*attr = NULL;
+	int			doclose = 0;
+	BackendDB		*bd;
+	void			*thrctx;
+
+	slap_tool_init( progname, SLAPACL, argc, argv );
+
+	if ( !dryrun ) {
+		int	i = 0;
+
+		LDAP_STAILQ_FOREACH( bd, &backendDB, be_next ) {
+			if ( bd != be && backend_startup( bd ) ) {
+				fprintf( stderr, "backend_startup(#%d%s%s) failed\n",
+						i,
+						bd->be_suffix ? ": " : "",
+						bd->be_suffix ? bd->be_suffix[0].bv_val : "" );
+				rc = 1;
+				goto destroy;
+			}
+
+			i++;
+		}
+	}
+
+	argv = &argv[ optind ];
+	argc -= optind;
+
+	thrctx = ldap_pvt_thread_pool_context();
+	connection_fake_init( &conn, &opbuf, thrctx );
+	op = &opbuf.ob_op;
+	op->o_tmpmemctx = NULL;
+
+	conn.c_listener = &listener;
+	conn.c_listener_url = listener_url;
+	conn.c_peer_domain = peer_domain;
+	conn.c_peer_name = peer_name;
+	conn.c_sock_name = sock_name;
+	op->o_ssf = ssf;
+	op->o_transport_ssf = transport_ssf;
+	op->o_tls_ssf = tls_ssf;
+	op->o_sasl_ssf = sasl_ssf;
+
+	if ( !BER_BVISNULL( &authcID ) ) {
+		if ( !BER_BVISNULL( &authcDN ) ) {
+			fprintf( stderr, "both authcID=\"%s\" "
+					"and authcDN=\"%s\" provided\n",
+					authcID.bv_val, authcDN.bv_val );
+			rc = 1;
+			goto destroy;
+		}
+
+		rc = slap_sasl_getdn( &conn, op, &authcID, NULL,
+				&authcDN, SLAP_GETDN_AUTHCID );
+		if ( rc != LDAP_SUCCESS ) {
+			fprintf( stderr, "authcID: <%s> check failed %d (%s)\n",
+					authcID.bv_val, rc,
+					ldap_err2string( rc ) );
+			rc = 1;
+			goto destroy;
+		}
+
+	} else if ( !BER_BVISNULL( &authcDN ) ) {
+		struct berval	ndn;
+
+		rc = dnNormalize( 0, NULL, NULL, &authcDN, &ndn, NULL );
+		if ( rc != LDAP_SUCCESS ) {
+			fprintf( stderr, "autchDN=\"%s\" normalization failed %d (%s)\n",
+					authcDN.bv_val, rc,
+					ldap_err2string( rc ) );
+			rc = 1;
+			goto destroy;
+		}
+		ch_free( authcDN.bv_val );
+		authcDN = ndn;
+	}
+
+	if ( !BER_BVISNULL( &authzID ) ) {
+		if ( !BER_BVISNULL( &authzDN ) ) {
+			fprintf( stderr, "both authzID=\"%s\" "
+					"and authzDN=\"%s\" provided\n",
+					authzID.bv_val, authzDN.bv_val );
+			rc = 1;
+			goto destroy;
+		}
+
+		rc = slap_sasl_getdn( &conn, op, &authzID, NULL,
+				&authzDN, SLAP_GETDN_AUTHZID );
+		if ( rc != LDAP_SUCCESS ) {
+			fprintf( stderr, "authzID: <%s> check failed %d (%s)\n",
+					authzID.bv_val, rc,
+					ldap_err2string( rc ) );
+			rc = 1;
+			goto destroy;
+		}
+
+	} else if ( !BER_BVISNULL( &authzDN ) ) {
+		struct berval	ndn;
+
+		rc = dnNormalize( 0, NULL, NULL, &authzDN, &ndn, NULL );
+		if ( rc != LDAP_SUCCESS ) {
+			fprintf( stderr, "autchDN=\"%s\" normalization failed %d (%s)\n",
+					authzDN.bv_val, rc,
+					ldap_err2string( rc ) );
+			rc = 1;
+			goto destroy;
+		}
+		ch_free( authzDN.bv_val );
+		authzDN = ndn;
+	}
+
+
+	if ( !BER_BVISNULL( &authcDN ) ) {
+		fprintf( stderr, "authcDN: \"%s\"\n", authcDN.bv_val );
+	}
+
+	if ( !BER_BVISNULL( &authzDN ) ) {
+		fprintf( stderr, "authzDN: \"%s\"\n", authzDN.bv_val );
+	}
+
+	if ( !BER_BVISNULL( &authzDN ) ) {
+		op->o_dn = authzDN;
+		op->o_ndn = authzDN;
+		
+		if ( !BER_BVISNULL( &authcDN ) ) {
+			op->o_conn->c_dn = authcDN;
+			op->o_conn->c_ndn = authcDN;
+
+		} else {
+			op->o_conn->c_dn = authzDN;
+			op->o_conn->c_ndn = authzDN;
+		}
+
+	} else if ( !BER_BVISNULL( &authcDN ) ) {
+		op->o_conn->c_dn = authcDN;
+		op->o_conn->c_ndn = authcDN;
+		op->o_dn = authcDN;
+		op->o_ndn = authcDN;
+	}
+
+	assert( !BER_BVISNULL( &baseDN ) );
+	rc = dnPrettyNormal( NULL, &baseDN, &e.e_name, &e.e_nname, NULL );
+	if ( rc != LDAP_SUCCESS ) {
+		fprintf( stderr, "base=\"%s\" normalization failed %d (%s)\n",
+				baseDN.bv_val, rc,
+				ldap_err2string( rc ) );
+		rc = 1;
+		goto destroy;
+	}
+
+	op->o_bd = be;
+	if ( op->o_bd == NULL ) {
+		/* NOTE: if no database could be found (e.g. because
+		 * accessing the rootDSE or so), use the frontendDB
+		 * rules; might need work */
+		op->o_bd = frontendDB;
+	}
+
+	if ( !dryrun ) {
+		ID	id;
+
+		if ( be == NULL ) {
+			fprintf( stderr, "%s: no target database "
+				"has been found for baseDN=\"%s\"; "
+				"you may try with \"-u\" (dry run).\n",
+				baseDN.bv_val, progname );
+			rc = 1;
+			goto destroy;
+		}
+
+		if ( !be->be_entry_open ||
+			!be->be_entry_close ||
+			!be->be_dn2id_get ||
+			!be->be_entry_get )
+		{
+			fprintf( stderr, "%s: target database "
+				"doesn't support necessary operations; "
+				"you may try with \"-u\" (dry run).\n",
+				progname );
+			rc = 1;
+			goto destroy;
+		}
+
+		if ( be->be_entry_open( be, 0 ) != 0 ) {
+			fprintf( stderr, "%s: could not open database.\n",
+				progname );
+			rc = 1;
+			goto destroy;
+		}
+
+		doclose = 1;
+
+		id = be->be_dn2id_get( be, &e.e_nname );
+		if ( id == NOID ) {
+			fprintf( stderr, "%s: unable to fetch ID of DN \"%s\"\n",
+				progname, e.e_nname.bv_val );
+			rc = 1;
+			goto destroy;
+		}
+		ep = be->be_entry_get( be, id );
+		if ( ep == NULL ) {
+			fprintf( stderr, "%s: unable to fetch entry \"%s\" (%lu)\n",
+				progname, e.e_nname.bv_val, id );
+			rc = 1;
+			goto destroy;
+
+		}
+
+		if ( argc == 0 ) {
+			Attribute	*a;
+
+			(void)print_access( op, ep, slap_schema.si_ad_entry, NULL, NULL );
+			(void)print_access( op, ep, slap_schema.si_ad_children, NULL, NULL );
+
+			for ( a = ep->e_attrs; a; a = a->a_next ) {
+				int	i;
+
+				for ( i = 0; !BER_BVISNULL( &a->a_nvals[ i ] ); i++ ) {
+					(void)print_access( op, ep, a->a_desc,
+							&a->a_vals[ i ],
+							&a->a_nvals[ i ] );
+				}
+			}
+		}
+	}
+
+	for ( ; argc--; argv++ ) {
+		slap_mask_t		mask;
+		AttributeDescription	*desc = NULL;
+		struct berval		val = BER_BVNULL,
+					*valp = NULL;
+		const char		*text;
+		char			accessmaskbuf[ACCESSMASK_MAXLEN];
+		char			*accessstr;
+		slap_access_t		access = ACL_AUTH;
+
+		if ( attr == NULL ) {
+			attr = argv[ 0 ];
+		}
+
+		val.bv_val = strchr( attr, ':' );
+		if ( val.bv_val != NULL ) {
+			val.bv_val[0] = '\0';
+			val.bv_val++;
+			val.bv_len = strlen( val.bv_val );
+			valp = &val;
+		}
+
+		accessstr = strchr( attr, '/' );
+		if ( accessstr != NULL ) {
+			int	invalid = 0;
+
+			accessstr[0] = '\0';
+			accessstr++;
+			access = str2access( accessstr );
+			switch ( access ) {
+			case ACL_INVALID_ACCESS:
+				fprintf( stderr, "unknown access \"%s\" for attribute \"%s\"\n",
+						accessstr, attr );
+				invalid = 1;
+				break;
+
+			case ACL_NONE:
+				fprintf( stderr, "\"none\" not allowed for attribute \"%s\"\n",
+						attr );
+				invalid = 1;
+				break;
+
+			default:
+				break;
+			}
+
+			if ( invalid ) {
+				if ( continuemode ) {
+					continue;
+				}
+				break;
+			}
+		}
+
+		rc = slap_str2ad( attr, &desc, &text );
+		if ( rc != LDAP_SUCCESS ) {
+			fprintf( stderr, "slap_str2ad(%s) failed %d (%s)\n",
+					attr, rc, ldap_err2string( rc ) );
+			if ( continuemode ) {
+				continue;
+			}
+			break;
+		}
+
+		rc = access_allowed_mask( op, ep, desc, valp, access,
+				NULL, &mask );
+
+		if ( accessstr ) {
+			fprintf( stderr, "%s access to %s%s%s: %s\n",
+					accessstr,
+					desc->ad_cname.bv_val,
+					val.bv_val ? "=" : "",
+					val.bv_val ? val.bv_val : "",
+					rc ? "ALLOWED" : "DENIED" );
+
+		} else {
+			fprintf( stderr, "%s%s%s: %s\n",
+					desc->ad_cname.bv_val,
+					val.bv_val ? "=" : "",
+					val.bv_val ? val.bv_val : "",
+					accessmask2str( mask, accessmaskbuf, 1 ) );
+		}
+		rc = 0;
+		attr = NULL;
+	}
+
+destroy:;
+	if ( !BER_BVISNULL( &e.e_name ) ) {
+		ber_memfree( e.e_name.bv_val );
+	}
+	if ( !BER_BVISNULL( &e.e_nname ) ) {
+		ber_memfree( e.e_nname.bv_val );
+	}
+	if ( !dryrun && be ) {
+		if ( ep && ep != &e ) {
+			be_entry_release_r( op, ep );
+		}
+		if ( doclose ) {
+			be->be_entry_close( be );
+		}
+
+		LDAP_STAILQ_FOREACH( bd, &backendDB, be_next ) {
+			if ( bd != be ) {
+				backend_shutdown( bd );
+			}
+		}
+	}
+
+	if ( slap_tool_destroy())
+		rc = EXIT_FAILURE;
+
+	return rc;
+}
+