From f52274bf2fae35c07e0a1801b46b68b9e8179c25 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Mon, 1 Nov 2010 00:20:00 +0000
Subject: [PATCH] uci: use a delete-safe iterator in the Lua :foreach()
 function The following test case exposed a NULL pointer dereference in
 uci_lua_foreach(): lua -luci -e 'x=uci.cursor(); x:foreach("firewall",
 "forwarding", function(s) x:delete("firewall", s[".name"]) end)'

SVN-Revision: 23757
---
 package/uci/Makefile                          |  2 +-
 .../130-lua_fix_nested_foreach_delete.patch   | 20 +++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 package/uci/patches/130-lua_fix_nested_foreach_delete.patch

diff --git a/package/uci/Makefile b/package/uci/Makefile
index 394fdf70f33e..c9fc6a63c4c8 100644
--- a/package/uci/Makefile
+++ b/package/uci/Makefile
@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 UCI_VERSION=2010-09-28
-UCI_RELEASE=1
+UCI_RELEASE=2
 
 PKG_NAME:=uci
 PKG_VERSION:=$(UCI_VERSION)$(if $(UCI_RELEASE),.$(UCI_RELEASE))
diff --git a/package/uci/patches/130-lua_fix_nested_foreach_delete.patch b/package/uci/patches/130-lua_fix_nested_foreach_delete.patch
new file mode 100644
index 000000000000..70c23ad7b7e9
--- /dev/null
+++ b/package/uci/patches/130-lua_fix_nested_foreach_delete.patch
@@ -0,0 +1,20 @@
+--- a/lua/uci.c
++++ b/lua/uci.c
+@@ -266,7 +266,7 @@ uci_lua_foreach(lua_State *L)
+ {
+ 	struct uci_context *ctx;
+ 	struct uci_package *p;
+-	struct uci_element *e;
++	struct uci_element *e, *tmp;
+ 	const char *package, *type;
+ 	bool ret = false;
+ 	int offset = 0;
+@@ -287,7 +287,7 @@ uci_lua_foreach(lua_State *L)
+ 	if (!p)
+ 		goto done;
+ 
+-	uci_foreach_element(&p->sections, e) {
++	uci_foreach_element_safe(&p->sections, tmp, e) {
+ 		struct uci_section *s = uci_to_section(e);
+ 
+ 		i++;
-- 
2.30.2