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-rw-r--r--package/base-files/Makefile2
-rwxr-xr-xpackage/base-files/files/lib/network/config.sh43
-rwxr-xr-xpackage/base-files/files/sbin/ifdown3
-rwxr-xr-xpackage/base-files/files/usr/share/udhcpc/default.script22
4 files changed, 43 insertions, 27 deletions
diff --git a/package/base-files/Makefile b/package/base-files/Makefile
index 8eca0d5dda..90c804bbe2 100644
--- a/package/base-files/Makefile
+++ b/package/base-files/Makefile
@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=base-files
-PKG_RELEASE:=46
+PKG_RELEASE:=47
PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/
diff --git a/package/base-files/files/lib/network/config.sh b/package/base-files/files/lib/network/config.sh
index 32170bb274..1bb3a46ecd 100755
--- a/package/base-files/files/lib/network/config.sh
+++ b/package/base-files/files/lib/network/config.sh
@@ -70,6 +70,16 @@ add_vlan() {
add_dns() {
local cfg="$1"; shift
+ remove_dns "$cfg"
+
+ # We may be called by pppd's ip-up which has a nonstandard umask set.
+ # Create an empty file here and force its permission to 0644, otherwise
+ # dnsmasq will not be able to re-read the resolv.conf.auto .
+ [ ! -f /tmp/resolv.conf.auto ] && {
+ touch /tmp/resolv.conf.auto
+ chmod 0644 /tmp/resolv.conf.auto
+ }
+
local dns
local add
for dns in "$@"; do
@@ -79,20 +89,27 @@ add_dns() {
}
done
- uci_set_state network "$cfg" dns "$add"
+ [ -n "$cfg" ] && {
+ uci_set_state network "$cfg" dns "$add"
+ uci_set_state network "$cfg" resolv_dns "$add"
+ }
}
# remove dns entries of the given iface
remove_dns() {
local cfg="$1"
- local dns
- config_get dns "$cfg" dns
- for dns in $dns; do
- sed -i -e "/^nameserver $dns$/d" /tmp/resolv.conf.auto
- done
+ [ -n "$cfg" ] && {
+ [ -f /tmp/resolv.conf.auto ] && {
+ local dns=$(uci_get_state network "$cfg" resolv_dns)
+ for dns in $dns; do
+ sed -i -e "/^nameserver $dns$/d" /tmp/resolv.conf.auto
+ done
+ }
- uci_revert_state network "$cfg" dns
+ uci_revert_state network "$cfg" dns
+ uci_revert_state network "$cfg" resolv_dns
+ }
}
# sort the device list, drop duplicates
@@ -212,13 +229,7 @@ setup_interface_static() {
[ -z "$ip6addr" ] || $DEBUG ifconfig "$iface" add "$ip6addr"
[ -z "$gateway" ] || $DEBUG route add default gw "$gateway" dev "$iface"
[ -z "$ip6gw" ] || $DEBUG route -A inet6 add default gw "$ip6gw" dev "$iface"
- [ -z "$dns" ] || {
- for ns in $dns; do
- grep "$ns" /tmp/resolv.conf.auto 2>/dev/null >/dev/null || {
- echo "nameserver $ns" >> /tmp/resolv.conf.auto
- }
- done
- }
+ [ -z "$dns" ] || add_dns "$config" $dns
config_get type "$config" TYPE
[ "$type" = "alias" ] && return 0
@@ -363,12 +374,14 @@ setup_interface() {
stop_interface_dhcp() {
local config="$1"
- local iface
+ local ifname
config_get ifname "$config" ifname
local lock="/var/lock/dhcp-${ifname}"
[ -f "$lock" ] && lock -u "$lock"
+ remove_dns "$config"
+
local pidfile="/var/run/dhcp-${ifname}.pid"
local pid="$(cat "$pidfile" 2>/dev/null)"
[ -d "/proc/$pid" ] && {
diff --git a/package/base-files/files/sbin/ifdown b/package/base-files/files/sbin/ifdown
index 7c6a5b7061..92cdfd2b02 100755
--- a/package/base-files/files/sbin/ifdown
+++ b/package/base-files/files/sbin/ifdown
@@ -40,6 +40,9 @@ done
config_get iftype "$cfg" type
[ "bridge" = "$iftype" ] && brctl delbr "$ifname" >/dev/null 2>/dev/null
+# remove the interface's dns entries
+remove_dns "$cfg"
+
# remove the interface's network state
uci_revert_state network "$1"
diff --git a/package/base-files/files/usr/share/udhcpc/default.script b/package/base-files/files/usr/share/udhcpc/default.script
index ceabf4bf3a..39527778ad 100755
--- a/package/base-files/files/usr/share/udhcpc/default.script
+++ b/package/base-files/files/usr/share/udhcpc/default.script
@@ -139,21 +139,21 @@ setup_interface () {
}
# DNS
- config_get old_dns "$ifc" dns
+ old_dns=$(uci_get_state network "$ifc" dns)
+ old_domain=$(uci_get_state network "$ifc" dnsdomain)
user_dns=$(uci_get "network.$ifc.dns")
[ -n "$user_dns" ] && dns="$user_dns"
- [ -n "$dns" ] && [ ! -s "${RESOLV_CONF}" -o "$dns" != "$old_dns" ] && {
+ [ -n "$dns" ] && [ "$dns" != "$old_dns" -o -n "$user_dns" ] && {
echo "udhcpc: setting dns servers: $dns"
- echo -n > "${RESOLV_CONF}.tmp"
- for i in $dns ; do
- echo "nameserver $i" >> "${RESOLV_CONF}.tmp"
- done
- ${domain:+echo search $domain} >> "${RESOLV_CONF}.tmp"
- mv "${RESOLV_CONF}.tmp" "$RESOLV_CONF"
-
- change_state network "$ifc" dnsdomain "$domain"
- change_state network "$ifc" dns "$dns"
+ add_dns "$ifc" $dns
+
+ [ -n "$domain" ] && [ "$domain" != "$old_domain" ] && {
+ echo "udhcpc: setting dns domain: $domain"
+ sed -i -e "${old_domain:+/^search $old_domain$/d; }/^search $domain$/d" "${RESOLV_CONF}"
+ echo "search $domain" >> "${RESOLV_CONF}"
+ change_state network "$ifc" dnsdomain "$domain"
+ }
}
[ -n "$ifc" ] || return