net/ddns-scripts/files/ddns.defaults

   1 #!/bin/sh
   2
   3 g_pslfile=/usr/share/public_suffix_list.dat.gz
   4 [ -f "$g_pslfile" ] || g_pslfile="$(dirname $0)/public_suffix_list.dat.gz"
   5
   6 g_pslerr=0
   7 g_cfgfile="ddns"
   8
   9 # modify timer settings from interval and unit to dhms format
  10 timer2dhms() {
  11 # $1    Number and
  12 # $2    Unit of time interval
  13         local t=0
  14         case $2 in
  15                 days)           t=$(( $1 * 86400 ));;
  16                 hours)          t=$(( $1 * 3600 ));;
  17                 minutes)        t=$(( $1 * 60 ));;
  18                 *)              t=$1;;
  19         esac
  20
  21         local d=$(( $t / 86400 ))
  22         local h=$(( $t % 86400 / 3600 ))
  23         local m=$(( $t % 3600 / 60 ))
  24         local s=$(( $t % 60 ))
  25         if [ $d -gt 0 ]; then printf "%dd %02dh %02dm %02ds" "$d" "$h" "$m" "$s"
  26         elif [ $h -gt 0 ]; then printf "%dh %02dm %02ds" "$h" "$m" "$s"
  27         elif [ $m -gt 0 ]; then printf "%dm %02ds" "$m" "$s"
  28         else printf "%ds" "$s"; fi
  29
  30         unset d h m s t
  31         return 0
  32 }
  33
  34 # using function to not confuse function calls with existing ones inside /lib/functions.sh
  35 update_config() {
  36         uc_uci="$(which uci) -q"        # ignore errors
  37         uc_cfg=""
  38         uc_name=""
  39         uc_var=""
  40         uc_val=""
  41         package() { return 0; }
  42         config () {
  43                 uc_cfg="$1"
  44                 uc_name="$2"
  45
  46                 # Type = ddns   Name = global
  47                 if [ "$uc_cfg" = "$g_cfgfile" -a "$uc_name" = "global" ]; then
  48                         option() {
  49                                 uc_var="$1"; shift
  50                                 uc_val="$*"
  51                                 case "$uc_var" in
  52                                         allow_local_ip) $uc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_privateip";;
  53                                         date_format)    $uc_uci rename $g_cfgfile.$uc_name.$uc_var="ddns_dateformat";;
  54                                         log_lines)      $uc_uci rename $g_cfgfile.$uc_name.$uc_var="ddns_loglines";;
  55                                         log_dir)        $uc_uci rename $g_cfgfile.$uc_name.$uc_var="ddns_logdir";;
  56                                         run_dir)        $uc_uci rename $g_cfgfile.$uc_name.$uc_var="ddns_rundir";;
  57                                         # leave all other options currently unchanged
  58                                         *)      ;;
  59                                 esac
  60                         }
  61
  62                 # Type = service        Name = ???
  63                 elif [ "$uc_cfg" = "service" ]; then
  64                         option() {
  65                                 uc_var="$1"; shift
  66                                 uc_val="$*"
  67                                 case "$uc_var" in
  68                                         # fix some option service_name values
  69                                         # and some settings for specific providers
  70                                         service_name|upd_provider)
  71                                                 case "$uc_val" in
  72                                                         freedns\.afraid\.org|afraid\.org)
  73                                                                 $uc_uci set $g_cfgfile.$uc_name.$uc_var="afraid.org-keyauth";;
  74                                                         Bind-nsupdate)
  75                                                                 $uc_uci set $g_cfgfile.$uc_name.$uc_var="bind-nsupdate";;
  76                                                         dyndns\.org|dyndns\.com)
  77                                                                 $uc_uci set $g_cfgfile.$uc_name.$uc_var="dyn.com";;
  78                                                         free\.editdns\.net)
  79                                                                 $uc_uci set $g_cfgfile.$uc_name.$uc_var="editdns.net";;
  80                                                         FreeDNS\.42\.pl)
  81                                                                 $uc_uci set $g_cfgfile.$uc_name.$uc_var="freedns.42.pl";;
  82                                                         domains\.google\.com)
  83                                                                 $uc_uci set $g_cfgfile.$uc_name.$uc_var="google.com";;
  84                                                         loopia\.com)
  85                                                                 $uc_uci set $g_cfgfile.$uc_name.$uc_var="loopia.se";;
  86                                                         NoIP\.com|No-IP\.com)
  87                                                                 $uc_uci set $g_cfgfile.$uc_name.$uc_var="no-ip.com";;
  88                                                         spdns\.de)
  89                                                                 $uc_uci set $g_cfgfile.$uc_name.$uc_var="spdyn.de";;
  90                                                         strato\.de)
  91                                                                 $uc_uci set $g_cfgfile.$uc_name.$uc_var="strato.com";;
  92                                                         *)
  93                                                                 # all others leave unchanged
  94                                                                 ;;
  95                                                 esac
  96                                                 # rename option service_name to option upd_provider
  97 #                                               $uc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_provider"
  98                                                 ;;
  99                                         domain|upd_object)
 100                                                 # verify if lookup_host is set
 101                                                 $uc_uci get $g_cfgfile.$uc_name.lookup_host >/dev/null 2>&1 || \
 102                                                         $uc_uci set $g_cfgfile.$uc_name.lookup_host="$uc_val"
 103                                                 if [ -f "$g_pslfile" ]; then
 104                                                         # if service_name/upd_provider cloudflare_v1 then change domain/upd_object to new syntax
 105                                                         # there is no sort order inside uci data so we need multiple checks
 106                                                         uco_provider=$($uc_uci get $g_cfgfile.$uc_name.upd_provider 2>/dev/null) || \
 107                                                                 uco_provider=$($uc_uci get $g_cfgfile.$uc_name.service_name 2>/dev/null)
 108                                                         unset uco_provider
 109                                                 fi
 110                                                 # rename option domain to option upd_object
 111 #                                               $uc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_object"
 112                                                 ;;
 113 #                                       dns_server)
 114 #                                               # if bind-nsupdate takeover old "dns_server" value as new "upd_nsupd_server" value
 115 #                                               uco_provider=$($uc_uci get $g_cfgfile.$uc_name.upd_provider 2>/dev/null) || \
 116 #                                                       uco_provider=$($uc_uci get $g_cfgfile.$uc_name.service_name 2>/dev/null)
 117 #                                               [ "$uco_provider" = "Bind-nsupdate" -o \
 118 #                                                 "$uco_provider" = "bind-nsupdate" ] && \
 119 #                                                       $uc_uci set $g_cfgfile.$uc_name.upd_nsupd_server="$uc_val"
 120 #                                               # rename option dns_server to new option global_dnssvr
 121 #                                               $udc_uci rename $g_cfgfile.$uc_name.$uc_var="global_dnssvr"
 122 #                                               ;;
 123 #                                       bind_network)
 124 #                                               $udc_uci set $g_cfgfile.$uc_name.upd_url_bindnet="$uc_val"
 125 #                                               $udc_uci rename $g_cfgfile.$uc_name.$uc_var="lip_url_bindnet"
 126 #                                               ;;
 127 #                                       proxy)
 128 #                                               # proxy value must include protocoll
 129 #                                               $udc_uci set $g_cfgfile.$uc_name.$uc_var="http://$uc_val"
 130 #                                               $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_url_proxy"
 131 #                                               ;;
 132 #                                       use_ipv6)
 133 #                                               $udc_uci set $g_cfgfile.$uc_name.$uc_var="$(( 4 + ( 2 * $uc_val ) ))"
 134 #                                               $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_ipversion"
 135 #                               TODO    update_url)
 136 #                               TODO    update_script)
 137                                         # other renames
 138 #                               TODO    lookup_host)    -> rip_host
 139 #                                       enabled)        $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_enabled";;
 140 #                                       force_dnstcp)   $udc_uci rename $g_cfgfile.$uc_name.$uc_var="rip_host_dnstcp";;
 141 #                                       is_glue)        $udc_uci rename $g_cfgfile.$uc_name.$uc_var="rip_host_isglue";;
 142 #                                       ip_interface)   $udc_uci rename $g_cfgfile.$uc_name.$uc_var="lip_iface";;
 143 #                                       ip_network)     $udc_uci rename $g_cfgfile.$uc_name.$uc_var="lip_net";;
 144 #                                       use_https)      $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_url_secure";;
 145 #                                       cacert)         $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_url_cacert";;
 146 #                                       username)       $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_username";;
 147 #                                       password)       $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_password";;
 148 #                                       param_opt)      $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_paramopt";;
 149 #                                       param_enc)      $udc_uci rename $g_cfgfile.$uc_name.$uc_var="upd_paramenc";;
 150
 151                                         # leave all other options currently unchanged
 152                                         *)      ;;
 153                                 esac
 154                                 return 0
 155                         }
 156                         return 0
 157
 158                 # ignore unknown
 159                 else
 160                         return 0
 161                 fi
 162         }
 163
 164         # read config file
 165         uc_data=$($uc_uci -S -n export "$g_cfgfile")
 166         uc_ret="$?"
 167         # Error then create config file
 168         [ $uc_ret -ne 0 ] && {
 169                 touch /etc/config/$uc_cfgfile
 170                 chmod 644 /etc/config/$uc_cfgfile
 171         }
 172         # No error and uc_data then execute (eval)
 173         # this will call functions defined above
 174         [ $uc_ret -eq 0 -a -n "$uc_data" ] && eval "$uc_data"
 175
 176         # add config ddns "global" (ignore error if exists)
 177         $uc_uci set ddns.global="$g_cfgfile"
 178
 179         # write changes to config file
 180         $uc_uci commit "$g_cfgfile"
 181
 182         unset uc_uci uc_cfg uc_name uc_var uc_val uc_ret uc_data
 183         return 0
 184 }
 185
 186 # clear LuCI indexcache
 187 rm -f /tmp/luci-indexcache >/dev/null 2>&1
 188
 189 # do config update
 190 update_config
 191
 192 #cleanup
 193 [ $g_pslerr -ne 0 ] && {
 194         unset g_pslfile g_pslerr g_cfgfile
 195         return 1
 196 }
 197
 198 [ -f "$g_pslfile" ] && rm -f "$g_pslfile"
 199 unset g_pslfile g_pslerr g_cfgfile
 200 return 0
 201