diff -Naur php-4.4.0/ext/imap/php_imap.c php-4.4.0.oden/ext/imap/php_imap.c
--- php-4.4.0/ext/imap/php_imap.c	2005-04-08 17:04:52.000000000 +0200
+++ php-4.4.0.oden/ext/imap/php_imap.c	2005-07-12 00:39:34.932256537 +0200
@@ -139,6 +139,7 @@
 	PHP_FE(imap_get_quotaroot,						NULL)
 	PHP_FE(imap_set_quota,							NULL)
  	PHP_FE(imap_setacl,								NULL)
+ 	PHP_FE(imap_getacl,								NULL)
 #endif
 
 	PHP_FE(imap_mail,								NULL)
@@ -378,6 +379,21 @@
 /* }}} */
 #endif
 
+/* {{{ mail_getacl
+ *
+ * Mail GET_ACL callback
+ * Called via the mail_parameter function in c-client:src/c-client/mail.c
+ */
+void mail_getacl(MAILSTREAM *stream, char *mailbox, ACLLIST *alist)
+{
+	TSRMLS_FETCH();
+
+	/* walk through the ACLLIST */
+	for(; alist; alist = alist->next) {
+		add_assoc_stringl(IMAPG(imap_acl_list), alist->identifier, alist->rights, strlen(alist->rights), 1);
+	}
+}
+/* }}} */
 
 /* {{{ php_imap_init_globals
  */
@@ -988,6 +1004,40 @@
 }
 /* }}} */
 
+/* {{{ proto array imap_getacl(resource stream_id, string mailbox)
+	Gets the ACL for a given mailbox */
+PHP_FUNCTION(imap_getacl)
+{
+	zval **streamind, **mailbox;
+	pils *imap_le_struct;
+
+	if(ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &streamind, &mailbox) == FAILURE) {
+		ZEND_WRONG_PARAM_COUNT();
+	}
+
+	ZEND_FETCH_RESOURCE(imap_le_struct, pils *, streamind, -1, "imap", le_imap);
+
+	convert_to_string_ex(mailbox);
+
+	/* initializing the special array for the return values */
+	if (array_init(return_value) == FAILURE) {
+		RETURN_FALSE;
+	}
+
+	IMAPG(imap_acl_list) = return_value;
+
+	/* set the callback for the GET_ACL function */
+	mail_parameters(NIL, SET_ACL, (void *) mail_getacl);
+	if(!imap_getacl(imap_le_struct->imap_stream, Z_STRVAL_PP(mailbox))) {
+		php_error(E_WARNING, "c-client imap_getacl failed");
+		zval_dtor(return_value);
+		RETURN_FALSE;
+	}
+
+	IMAPG(imap_acl_list) = NIL;
+}
+/* }}} */
+
 #endif /* HAVE_IMAP2000 || HAVE_IMAP2001 */
 
 
diff -Naur php-4.4.0/ext/imap/php_imap.h php-4.4.0.oden/ext/imap/php_imap.h
--- php-4.4.0/ext/imap/php_imap.h	2003-06-13 16:45:36.000000000 +0200
+++ php-4.4.0.oden/ext/imap/php_imap.h	2005-07-12 00:39:34.933256563 +0200
@@ -172,6 +172,7 @@
 PHP_FUNCTION(imap_get_quotaroot);
 PHP_FUNCTION(imap_set_quota);
 PHP_FUNCTION(imap_setacl);
+PHP_FUNCTION(imap_getacl);
 #endif
 
 
@@ -202,6 +203,7 @@
 	unsigned long status_uidvalidity;
 #if defined(HAVE_IMAP2000) || defined(HAVE_IMAP2001)
 	zval **quota_return;
+	zval *imap_acl_list;
 #endif
 ZEND_END_MODULE_GLOBALS(imap)