From: Roy Li <rongqing...@windriver.com> once dhclient enables dns support, it binds anyone port which is not reserved.
Signed-off-by: Roy Li <rongqing...@windriver.com> --- .../poky-policy-allows-dhclient-to-bind.patch | 43 ++++++++++++++++++++ .../refpolicy/refpolicy_2.20130424.inc | 1 + 2 files changed, 44 insertions(+) create mode 100644 recipes-security/refpolicy/refpolicy-2.20130424/poky-policy-allows-dhclient-to-bind.patch diff --git a/recipes-security/refpolicy/refpolicy-2.20130424/poky-policy-allows-dhclient-to-bind.patch b/recipes-security/refpolicy/refpolicy-2.20130424/poky-policy-allows-dhclient-to-bind.patch new file mode 100644 index 0000000..7118e8e --- /dev/null +++ b/recipes-security/refpolicy/refpolicy-2.20130424/poky-policy-allows-dhclient-to-bind.patch @@ -0,0 +1,43 @@ +From a9502eba0fef095ef6a2ff42bac020b25f7e384a Mon Sep 17 00:00:00 2001 +From: Roy Li <rongqing...@windriver.com> +Date: Mon, 10 Feb 2014 08:40:04 +0800 +Subject: [PATCH] allows dhclient to bind unreserved_port_t socket + +Upstream-Status: Pending + +Once dhclient enables dns supports, the functions dns_client_createx will +be called, it will find anyone port which is unreserved and unused. + +Call backtrace: + bind () + isc__socket_bind () + open_socket () + get_udpsocket () + dispatch_createudp () + dns_dispatch_getudp () + getudpdispatch () + dns_client_createx () + dhcp_context_create () + main () + +Signed-off-by: Roy Li <rongqing...@windriver.com> +--- + policy/modules/system/sysnetwork.te | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/policy/modules/system/sysnetwork.te b/policy/modules/system/sysnetwork.te +index 900b770..b554820 100644 +--- a/policy/modules/system/sysnetwork.te ++++ b/policy/modules/system/sysnetwork.te +@@ -73,6 +73,8 @@ files_pid_filetrans(dhcpc_t, dhcpc_var_run_t, { file dir }) + sysnet_manage_config(dhcpc_t) + files_etc_filetrans(dhcpc_t, net_conf_t, file) + ++corenet_udp_bind_all_unreserved_ports(dhcpc_t) ++ + # create temp files + manage_dirs_pattern(dhcpc_t, dhcpc_tmp_t, dhcpc_tmp_t) + manage_files_pattern(dhcpc_t, dhcpc_tmp_t, dhcpc_tmp_t) +-- +1.7.10.4 + diff --git a/recipes-security/refpolicy/refpolicy_2.20130424.inc b/recipes-security/refpolicy/refpolicy_2.20130424.inc index 4b618b2..f93361a 100644 --- a/recipes-security/refpolicy/refpolicy_2.20130424.inc +++ b/recipes-security/refpolicy/refpolicy_2.20130424.inc @@ -50,6 +50,7 @@ SRC_URI += "file://poky-policy-fix-xconsole_device_t-as-a-dev_node.patch \ file://poky-policy-fix-seutils-manage-config-files.patch \ file://poky-policy-fix-setfiles-statvfs-get-file-count.patch \ file://poky-policy-fix-dmesg-to-use-dev-kmsg.patch \ + file://poky-policy-allows-dhclient-to-bind.patch \ " # Backport from upstream -- 1.7.10.4 _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto