+OPTIONS="-s -f -d 5"
+CONFIGFILE="/tmp/invalid_nodogsplash.conf"
+
+# nolog(loglevel message ...)
+nolog() {
+ local level=$1
+ shift
+ logger -s -t nodogsplash -p daemon.$level $@
+}
+
+# append_config_option <cfgfile> <uci_cfg_obj> <option_name> <config_counterpart> [<optional default>]
+# append "$config_counterpart $value" to cfgfile if option_name exists
+# e.g. append_config_option "$CONFIGFILE" "$cfg" bind_address BindAddress 0.0.0.0
+# will append "BindAddress 192.168.1.1" if uci bind_address is '192.168.1.1'
+append_config_option() {
+ local val=""
+ local config_file="$1"
+ local cfg="$2"
+ local option_name="$3"
+ local config_counterpart="$4"
+ local default="$5"
+ config_get val "$cfg" "$option_name" "$default"
+ [ -n "$val" ] && echo "$config_counterpart $val" >> $config_file
+}
+
+setup_user_authentication() {
+ local cfg="$1"
+ local val
+
+ config_get_bool val "$cfg" authenticate_immediately 0
+ [ $val -gt 0 ] && echo "AuthenticateImmediately yes" >> $CONFIGFILE
+
+ config_get val "$cfg" username
+ if [ -n "$val" ] ; then
+ echo "UsernameAuthentication" >> $CONFIGFILE
+ echo "Username $val" >> $CONFIGFILE
+ fi
+
+ config_get val "$cfg" password
+ if [ -n "$val" ] ; then
+ echo "PasswordAuthentication" >> $CONFIGFILE
+ echo "Password $val" >> $CONFIGFILE
+ fi
+}
+
+setup_mac_lists() {
+ local cfg="$1"
+ local MAC=""
+ local val
+
+ append_mac() {
+ append MAC "$1" ","
+ }
+
+ config_get val "$cfg" macmechanism
+ if [ -z "$val" ] ; then
+ # check if we have AllowedMACList or BlockedMACList defined they will be ignored
+ config_get val "$cfg" allowedmac
+ if [ -n "$val" ] ; then
+ echo "Ignoring allowedmac - macmechanism not \"allow\"" >&2
+ fi
+
+ config_get val "$cfg" blockedmac
+ if [ -n "$val" ] ; then
+ echo "Ignoring blockedmac - macmechanism not \"block\"" >&2
+ fi
+ elif [ "$val" == "allow" ] ; then
+ MAC=""
+ config_list_foreach "$cfg" allowedmac append_mac
+ echo "AllowedMACList $MAC" >> $CONFIGFILE
+ elif [ "$val" == "block" ] ; then
+ MAC=""
+ config_list_foreach "$cfg" blockedmac append_mac
+ echo "BlockedMACList $MAC" >> $CONFIGFILE
+ else
+ nolog error "$cfg Invalid macmechanism '$val' - allow or block are valid."
+ return 1
+ fi
+ MAC=""
+ config_list_foreach "$cfg" trustedmac append_mac
+ [ -n "$MAC" ] && echo "TrustedMACList $MAC" >> $CONFIGFILE
+}
+
+setup_firewall() {
+ local cfg="$1"
+ local uciname
+ local val
+
+ append_firewall() {
+ echo " FirewallRule $1" >> $CONFIGFILE
+ }
+
+ for rule in $(echo authenticated-users preauthenticated-users users-to-router trusted-users trusted-users-to-router)
+ do
+ uci_name=${rule//-/_}
+ # uci does not allow - dashes
+ echo "FirewallRuleSet $rule {" >> $CONFIGFILE
+ config_list_foreach "$cfg" ${uci_name} append_firewall
+ echo "}" >> $CONFIGFILE
+ config_get val "$cfg" policy_${uci_name}
+ [ -n "$val" ] && echo "EmptyRuleSetPolicy $rule $val" >> $CONFIGFILE
+ done
+}
+
+generate_uci_config() {
+ local cfg="$1"
+ local val
+ local ifname
+ local download
+ local upload
+
+ CONFIGFILE="/tmp/etc/nodogsplash_$cfg.conf"
+
+ echo "# auto-generated config file from /etc/config/nodogsplash" > $CONFIGFILE
+
+ config_get val "$cfg" config
+ if [ -n "$val" ] ; then
+ if [ -f "$val" ] ; then
+ nolog error "Configuration file '$file' doesn't exist"
+ return 0
+ fi
+ cat $val > CONFIGFILE
+ fi
+
+ config_get val "$cfg" network
+ if [ -n "$val" ] ; then
+ if ! network_get_device ifname "$val" ; then
+ nolog error "$cfg can not find ifname for network '$val'"
+ return 1
+ fi
+ fi
+
+ config_get val "$cfg" gatewayinterface
+ if [ -n "$val" ] ; then
+ if [ -n "$ifname" ] ; then
+ nolog error "$cfg cannot use both option network and gatewayinterface"
+ return 1
+ fi
+ ifname="$val"
+ fi
+
+ if [ -z "$ifname" ] ; then
+ nolog error "$cfg option network or gatewayinterface missing"
+ return 1
+ fi
+
+ echo "GatewayInterface $ifname" >> $CONFIGFILE
+
+ append_config_option "$CONFIGFILE" "$cfg" gatewayname GatewayName
+ append_config_option "$CONFIGFILE" "$cfg" gatewayaddress GatewayAddress
+ append_config_option "$CONFIGFILE" "$cfg" gatewayport GatewayPort
+ append_config_option "$CONFIGFILE" "$cfg" maxclients MaxClients
+ append_config_option "$CONFIGFILE" "$cfg" webroot webroot
+ append_config_option "$CONFIGFILE" "$cfg" debuglevel debuglevel
+ append_config_option "$CONFIGFILE" "$cfg" splashpage splashpage
+ append_config_option "$CONFIGFILE" "$cfg" pagesdir pagesdir
+ append_config_option "$CONFIGFILE" "$cfg" checkinterval checkinterval
+ append_config_option "$CONFIGFILE" "$cfg" syslogfacility syslogfacility
+ append_config_option "$CONFIGFILE" "$cfg" gatewayiprange gatewayiprange
+ append_config_option "$CONFIGFILE" "$cfg" imagedir ImagesDir
+ append_config_option "$CONFIGFILE" "$cfg" redirecturl RedirectURL
+ append_config_option "$CONFIGFILE" "$cfg" clientidletimeout ClientIdleTimeout
+ append_config_option "$CONFIGFILE" "$cfg" clientforcetimeout ClientForceTimeout
+ append_config_option "$CONFIGFILE" "$cfg" gatewayiprange GatewayIPRange
+ append_config_option "$CONFIGFILE" "$cfg" passwordattempts PasswordAttempts
+ append_config_option "$CONFIGFILE" "$cfg" macmechanism MACMechanism
+ append_config_option "$CONFIGFILE" "$cfg" uploadlimit UploadLimit
+ append_config_option "$CONFIGFILE" "$cfg" downloadlimit DownloadLimit
+ append_config_option "$CONFIGFILE" "$cfg" remoteauthenticatoraction remoteauthenticatoraction
+ append_config_option "$CONFIGFILE" "$cfg" enablepreauth enablepreauth
+ append_config_option "$CONFIGFILE" "$cfg" binvoucher binvoucher
+ append_config_option "$CONFIGFILE" "$cfg" forcevoucher forcevoucher
+ append_config_option "$CONFIGFILE" "$cfg" passwordauthentication passwordauthentication
+ append_config_option "$CONFIGFILE" "$cfg" usernameauthentication usernameauthentication
+ append_config_option "$CONFIGFILE" "$cfg" passwordattempts passwordattempts
+ append_config_option "$CONFIGFILE" "$cfg" username username
+ append_config_option "$CONFIGFILE" "$cfg" password password
+ append_config_option "$CONFIGFILE" "$cfg" authenticateimmediately authenticateimmediately
+ append_config_option "$CONFIGFILE" "$cfg" decongesthttpdthreads decongesthttpdthreads
+ append_config_option "$CONFIGFILE" "$cfg" httpdthreadthreshold httpdthreadthreshold
+ append_config_option "$CONFIGFILE" "$cfg" httpdthreaddelayms httpdthreaddelayms
+ append_config_option "$CONFIGFILE" "$cfg" fw_mark_authenticated fw_mark_authenticated
+ append_config_option "$CONFIGFILE" "$cfg" fw_mark_trusted fw_mark_trusted
+ append_config_option "$CONFIGFILE" "$cfg" fw_mark_blocked fw_mark_blocked
+
+ config_get download "$cfg" downloadlimit
+ config_get upload "$cfg" uploadlimit
+ [ -n "$upload" -o -n "$download" ] && echo "TrafficControl yes" >> $CONFIGFILE
+
+ setup_mac_lists "$cfg"
+ setup_user_authentication "$cfg"
+ setup_firewall "$cfg"