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-rw-r--r--package/base-files/default/lib/config/uci-update.awk160
-rwxr-xr-xpackage/base-files/default/lib/config/uci.sh138
-rwxr-xr-xpackage/base-files/default/lib/network/config.sh143
3 files changed, 441 insertions, 0 deletions
diff --git a/package/base-files/default/lib/config/uci-update.awk b/package/base-files/default/lib/config/uci-update.awk
new file mode 100644
index 0000000000..efa8758507
--- /dev/null
+++ b/package/base-files/default/lib/config/uci-update.awk
@@ -0,0 +1,160 @@
+# Configuration update functions
+#
+# Copyright (C) 2006 by Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
+# Copyright (C) 2006 by Felix Fietkau <nbd@openwrt.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+
+function read_file(filename, result) {
+ while ((getline <filename) == 1) {
+ result = result $0 "\n"
+ }
+ gsub(/\n*$/, "", result)
+ return result
+}
+
+function cmd2option(str, tmp) {
+ if (match(str,"=")!=0) {
+ res = "\toption " substr(str,1,RSTART-1) "\t'" substr(str,RSTART+1) "'"
+ } else {
+ res= ""
+ }
+ return res
+}
+
+function cmd2config(atype, aname) {
+ return "config \"" atype "\" \"" aname "\""
+}
+
+function update_config(cfg, update, \
+ lines, line, l, n, i, i2, section, scnt, remove, tmp, aidx, rest) {
+ scnt = 1
+ linecnt=split(cfg "\n", lines, "\n")
+
+ cfg = ""
+ for (n = 1; n < linecnt; n++) {
+ # stupid parser for quoted arguments (e.g. for the type string).
+ # not to be used to gather variable values (backslash escaping doesn't work)
+ line = lines[n]
+ gsub(/^[ \t]*/, "", line)
+ gsub(/#.*$/, "", line)
+ i2 = 1
+ delete l
+ rest = line
+ while (length(rest)) {
+ if (match(rest, /[ \t\"]+/)) {
+ if (RSTART>1) {
+ l[i2] = substr(rest,1,RSTART-1)
+ i2++
+ }
+ aidx=index(rest,"\"")
+ if (aidx>=RSTART && aidx<=RSTART+RLENGTH) {
+ rest=substr(rest,aidx+1)
+ # find the end of the string
+ match(rest,/\"/)
+ l[i2]=substr(rest,1,RSTART-1)
+ i2++
+ }
+ rest=substr(rest,RSTART+RLENGTH)
+ } else {
+ l[i2] = rest
+ i2++
+ rest = ""
+ }
+ }
+ line = lines[n]
+
+ # when a command wants to set a config value for the current
+ # section and a blank line is encountered before an option with
+ # the same name, insert it here to maintain some coherency between
+ # manually and automatically created option lines
+ # if an option with the same name appears after this point, simply
+ # ignore it, because it is already set.
+ if ((section != "") && (l[1] != "option")) {
+ if (line ~ /^[ \t]*$/) {
+ if (update ~ "^" section "\\.") {
+ gsub("^" section ".", "", update)
+ cfg = cfg cmd2option(update) "\n"
+ gsub(/=.*$/, "", update)
+ update = "-" section "." update
+ }
+ }
+ }
+
+ if (l[1] == "config") {
+ # look for all unset values
+ if (section != "") {
+ flag=0
+ if (update ~ "^" section "\\.") {
+ flag=1
+ gsub("^" section ".", "", update)
+ cfg = cfg cmd2option(update) "\n"
+
+ update = "-" section "." update
+ }
+ if (flag!=0) cfg = cfg "\n"
+ }
+
+ remove = ""
+ section = l[3]
+ if (!length(section)) {
+ section = "cfg" scnt
+ }
+ scnt++
+ if (update == "-" section) {
+ remove = "section"
+ update = ""
+ } else if (update ~ "^@" section "=") {
+ update = ""
+ } else if (update ~ "^&" section "=") {
+ gsub("^&" section "=", "", update)
+ line = cmd2config(l[2],update)
+ update = ""
+ }
+ }
+ if (remove == "option") remove = ""
+ if (l[1] == "option") {
+ if (update ~ "^-" section "\\." l[2] "$") remove = "option"
+ # if a supplied config value already exists, replace the whole line
+ if (match(update, "^" section "." l[2] "=")) {
+ gsub("^" section ".", "", update)
+ line = cmd2option(update)
+ update = ""
+ }
+ }
+ if (remove == "") cfg = cfg line "\n"
+ }
+
+ # any new options for the last section??
+ if (section != "") {
+ if (update ~ "^" section "\\.") {
+ gsub("^" section ".", "", update)
+ cfg = cfg cmd2option(update) "\n"
+
+ update = "-" section "." update
+ }
+ }
+
+ if (update ~ "^@") {
+ # new section
+ section = stype = substr(update,2)
+ gsub(/=.*$/,"",section)
+ gsub(/^.*=/,"",stype)
+ cfg = cfg "\nconfig \"" stype "\" \"" section "\"\n"
+ }
+
+ return cfg
+}
diff --git a/package/base-files/default/lib/config/uci.sh b/package/base-files/default/lib/config/uci.sh
new file mode 100755
index 0000000000..ccd6ee57ba
--- /dev/null
+++ b/package/base-files/default/lib/config/uci.sh
@@ -0,0 +1,138 @@
+#!/bin/sh
+# Shell script defining macros for manipulating config files
+#
+# Copyright (C) 2006 by Fokus Fraunhofer <carsten.tittel@fokus.fraumhofer.de>
+# Copyright (C) 2006 by Felix Fietkau <nbd@openwrt.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+uci_load() {
+ config_load "$PACKAGE"
+ local PACKAGE_BASE="$(basename "$PACKAGE")"
+ [ -f "/tmp/.uci/${PACKAGE_BASE}" ] && {
+ . "/tmp/.uci/${PACKAGE_BASE}"
+ config_cb
+ }
+}
+
+uci_do_update() {
+ local FILENAME="$1"
+ local UPDATE="$2"
+ awk -f /lib/config/uci-update.awk -f - <<EOF
+BEGIN {
+ config = read_file("$FILENAME")
+ $UPDATE
+ print config
+}
+EOF
+}
+
+uci_add_update() {
+ local PACKAGE="$1"
+ local UPDATE="$2"
+ local PACKAGE_BASE="$(basename "$PACKAGE")"
+
+ # FIXME: add locking?
+ mkdir -p "/tmp/.uci"
+ echo "$UPDATE" >> "/tmp/.uci/${PACKAGE_BASE}"
+}
+
+uci_set() {
+ local PACKAGE="$1"
+ local CONFIG="$2"
+ local OPTION="$3"
+ local VALUE="$4"
+
+ ( # spawn a subshell so you don't mess up the current environment
+ uci_load "$PACKAGE"
+ config_get type "$CONFIG" TYPE
+ [ -z "$type" ]
+ ) || uci_add_update "$PACKAGE" "CONFIG_SECTION='$CONFIG'${N}option '$OPTION' '$VALUE'"
+}
+
+uci_add() {
+ local PACKAGE="$1"
+ local TYPE="$2"
+ local CONFIG="$3"
+
+ uci_add_update "$PACKAGE" "config '$TYPE' '$CONFIG'"
+}
+
+uci_rename() {
+ local PACKAGE="$1"
+ local CONFIG="$2"
+ local VALUE="$3"
+
+ uci_add_update "$PACKAGE" "config_rename '$CONFIG' '$VALUE'"
+}
+
+uci_remove() {
+ local PACKAGE="$1"
+ local CONFIG="$2"
+ local OPTION="$3"
+
+ if [ -z "$OPTION" ]; then
+ uci_add_update "$PACKAGE" "config_clear '$CONFIG'"
+ else
+ uci_add_update "$PACKAGE" "config_unset '$CONFIG' '$OPTION'"
+ fi
+}
+
+uci_commit() {
+ local PACKAGE="$1"
+ local PACKAGE_BASE="$(basename "$PACKAGE")"
+
+ mkdir -p /tmp/.uci
+ lock "/tmp/.uci/$PACKAGE_BASE.lock"
+ [ -f "/tmp/.uci/$PACKAGE_BASE" ] && (
+ updatestr=""
+
+ # replace handlers
+ config() {
+ append updatestr "config = update_config(config, \"@$2=$1\")" "$N"
+ }
+ option() {
+ append updatestr "config = update_config(config, \"$CONFIG_SECTION.$1=$2\")" "$N"
+ }
+ config_rename() {
+ append updatestr "config = update_config(config, \"&$1=$2\")" "$N"
+ }
+ config_unset() {
+ append updatestr "config = update_config(config, \"-$1.$2\")" "$N"
+ }
+ config_clear() {
+ append updatestr "config = update_config(config, \"-$1\")" "$N"
+ }
+
+ . "/tmp/.uci/$PACKAGE_BASE"
+
+ # completely disable handlers so that they don't get in the way
+ config() {
+ return 0
+ }
+ option() {
+ return 0
+ }
+
+ config_load "$PACKAGE" || CONFIG_FILENAME="$ROOT/etc/config/$PACKAGE_BASE"
+ uci_do_update "$CONFIG_FILENAME" "$updatestr" > "/tmp/.uci/$PACKAGE_BASE.new" && {
+ mv -f "/tmp/.uci/$PACKAGE_BASE.new" "$CONFIG_FILENAME" && \
+ rm -f "/tmp/.uci/$PACKAGE_BASE"
+ }
+ )
+ lock -u "/tmp/.uci/$PACKAGE_BASE.lock"
+}
+
+
diff --git a/package/base-files/default/lib/network/config.sh b/package/base-files/default/lib/network/config.sh
new file mode 100755
index 0000000000..18f794a31b
--- /dev/null
+++ b/package/base-files/default/lib/network/config.sh
@@ -0,0 +1,143 @@
+#!/bin/sh
+# Copyright (C) 2006 OpenWrt.org
+
+# DEBUG="echo"
+
+find_config() {
+ local iftype device iface ifaces ifn
+ for ifn in $interfaces; do
+ config_get iftype "$ifn" type
+ config_get iface "$ifn" ifname
+ case "$iftype" in
+ bridge) config_get ifaces "$ifn" ifnames;;
+ esac
+ config_get device "$ifn" device
+ for ifc in $device $iface $ifaces; do
+ [ "$ifc" = "$1" ] && {
+ echo "$ifn"
+ return 0
+ }
+ done
+ done
+
+ return 1;
+}
+
+scan_interfaces() {
+ local mode iftype iface ifname device
+ interfaces=
+ config_cb() {
+ config_get iftype "$CONFIG_SECTION" TYPE
+ case "$iftype" in
+ interface)
+ config_get proto "$CONFIG_SECTION" proto
+ append interfaces "$CONFIG_SECTION"
+ config_get iftype "$CONFIG_SECTION" type
+ config_get ifname "$CONFIG_SECTION" ifname
+ config_set "$CONFIG_SECTION" device "$ifname"
+ case "$iftype" in
+ bridge)
+ config_set "$CONFIG_SECTION" ifnames "$ifname"
+ config_set "$CONFIG_SECTION" ifname br-"$CONFIG_SECTION"
+ ;;
+ esac
+ ( type "scan_$proto" ) >/dev/null 2>/dev/null && eval "scan_$proto '$CONFIG_SECTION'"
+ ;;
+ esac
+ }
+ config_load network
+}
+
+add_vlan() {
+ local vif="${1%\.*}"
+
+ [ "$1" = "$vif" ] || ifconfig "$1" >/dev/null 2>/dev/null || {
+ ifconfig "$vif" up 2>/dev/null >/dev/null || add_vlan "$vif"
+ $DEBUG vconfig add "$vif" "${1##*\.}"
+ }
+}
+
+setup_interface() {
+ local iface="$1"
+ local config="$2"
+ local proto
+
+ [ -n "$config" ] || {
+ config=$(find_config "$iface")
+ [ "$?" = 0 ] || return 1
+ }
+
+ proto="${3:-$(config_get "$config" proto)}"
+ config_get iftype "$config" type
+
+ # Setup VLAN interfaces
+ add_vlan "$iface"
+
+ # Setup bridging
+ case "$iftype" in
+ bridge)
+ ifconfig "$iface" up 2>/dev/null >/dev/null
+ ifconfig "br-$config" 2>/dev/null >/dev/null && {
+ $DEBUG brctl addif "br-$config" "$iface"
+ return 0
+ } || {
+ $DEBUG brctl addbr "br-$config"
+ $DEBUG brctl setfd "br-$config" 0
+ $DEBUG brctl addif "br-$config" "$iface"
+ iface="br-$config"
+ }
+ ;;
+ esac
+
+ # Interface settings
+ config_get mtu "$config" mtu
+ $DEBUG ifconfig "$iface" ${mtu:+mtu $mtu} up
+
+ pidfile="/var/run/$iface.pid"
+ case "$proto" in
+ static)
+ config_get ipaddr "$config" ipaddr
+ config_get netmask "$config" netmask
+ [ -z "$ipaddr" -o -z "$netmask" ] && return 1
+
+ config_get ip6addr "$config" ip6addr
+ config_get gateway "$config" gateway
+ config_get dns "$config" dns
+
+ $DEBUG ifconfig "$iface" "$ipaddr" netmask "$netmask"
+ [ -z "$gateway" ] || route add default gw "$gateway"
+ [ -z "$dns" -o -f /tmp/resolv.conf ] || {
+ for ns in $dns; do
+ echo "nameserver $ns" >> /tmp/resolv.conf
+ done
+ }
+
+ env -i ACTION="ifup" INTERFACE="config" DEVICE="$iface" PROTO=static /sbin/hotplug "iface" &
+ ;;
+ dhcp)
+ pid="$(cat "$pidfile" 2>/dev/null)"
+ [ -n "$pid" -a -d "/proc/$pid" ] && kill -9 "$pid"
+
+ config_get ipaddr "$config" ipaddr
+ config_get netmask "$config" netmask
+ config_get hostname "$config" hostname
+ config_get proto1 "$config" proto
+
+ [ -z "$ipaddr" ] || \
+ $DEBUG ifconfig "$iface" "$ipaddr" ${netmask:+netmask "$netmask"}
+
+ # don't stay running in background if dhcp is not the main proto on the interface (e.g. when using pptp)
+ [ "$proto1" != "$proto" ] && dhcpopts="-n -q"
+ $DEBUG udhcpc -i "$iface" ${ipaddr:+-r $ipaddr} ${hostname:+-H $hostname} -b -p "$pidfile" ${dhcpopts:- -R &}
+ ;;
+ *)
+ if ( eval "type setup_interface_$proto" ) >/dev/null 2>/dev/null; then
+ eval "setup_interface_$proto '$iface' '$config' '$proto'"
+ else
+ echo "Interface type $proto not supported."
+ return 1
+ fi
+ ;;
+ esac
+}
+