package/network/services/uhttpd/files/uhttpd.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2010 Jo-Philipp Wich
   3
   4 START=50
   5
   6 USE_PROCD=1
   7
   8 UHTTPD_BIN="/usr/sbin/uhttpd"
   9 PX5G_BIN="/usr/sbin/px5g"
  10 OPENSSL_BIN="/usr/bin/openssl"
  11
  12 append_arg() {
  13         local cfg="$1"
  14         local var="$2"
  15         local opt="$3"
  16         local def="$4"
  17         local val
  18
  19         config_get val "$cfg" "$var"
  20         [ -n "$val" -o -n "$def" ] && procd_append_param command "$opt" "${val:-$def}"
  21 }
  22
  23 append_bool() {
  24         local cfg="$1"
  25         local var="$2"
  26         local opt="$3"
  27         local def="$4"
  28         local val
  29
  30         config_get_bool val "$cfg" "$var" "$def"
  31         [ "$val" = 1 ] && procd_append_param command "$opt"
  32 }
  33
  34 generate_keys() {
  35         local cfg="$1"
  36         local key="$2"
  37         local crt="$3"
  38         local days bits country state location commonname
  39
  40         config_get days       "$cfg" days
  41         config_get bits       "$cfg" bits
  42         config_get country    "$cfg" country
  43         config_get state      "$cfg" state
  44         config_get location   "$cfg" location
  45         config_get commonname "$cfg" commonname
  46
  47         # Prefer px5g for certificate generation (existence evaluated last)
  48         local GENKEY_CMD=""
  49         local UNIQUEID=$(dd if=/dev/urandom bs=1 count=4 | hexdump -e '1/1 "%02x"')
  50         [ -x "$OPENSSL_BIN" ] && GENKEY_CMD="$OPENSSL_BIN req -x509 -outform der -nodes"
  51         [ -x "$PX5G_BIN" ] && GENKEY_CMD="$PX5G_BIN selfsigned -der"
  52         [ -n "$GENKEY_CMD" ] && {
  53                 $GENKEY_CMD \
  54                         -days ${days:-730} -newkey rsa:${bits:-2048} -keyout "${UHTTPD_KEY}.new" -out "${UHTTPD_CERT}.new" \
  55                         -subj /C="${country:-DE}"/ST="${state:-Saxony}"/L="${location:-Leipzig}"/O="${commonname:-Lede}$UNIQUEID"/CN="${commonname:-Lede}"
  56                 sync
  57                 mv "${UHTTPD_KEY}.new" "${UHTTPD_KEY}"
  58                 mv "${UHTTPD_CERT}.new" "${UHTTPD_CERT}"
  59         }
  60 }
  61
  62 start_instance()
  63 {
  64         UHTTPD_CERT=""
  65         UHTTPD_KEY=""
  66
  67         local cfg="$1"
  68         local realm="$(uci_get system.@system[0].hostname)"
  69         local listen http https interpreter indexes path handler
  70
  71         procd_open_instance
  72         procd_set_param respawn
  73         procd_set_param stderr 1
  74         procd_set_param command "$UHTTPD_BIN" -f
  75
  76         append_arg "$cfg" home "-h"
  77         append_arg "$cfg" realm "-r" "${realm:-OpenWrt}"
  78         append_arg "$cfg" config "-c"
  79         append_arg "$cfg" cgi_prefix "-x"
  80         [ -f /usr/lib/uhttpd_lua.so ] && {
  81                 config_get handler "$cfg" lua_handler
  82                 [ -f "$handler" ] && append_arg "$cfg" lua_prefix "-l" && {
  83                         procd_append_param command "-L" "$handler"
  84                 }
  85         }
  86         [ -f /usr/lib/uhttpd_ubus.so ] && {
  87                 append_arg "$cfg" ubus_prefix "-u"
  88                 append_arg "$cfg" ubus_socket "-U"
  89                 append_bool "$cfg" ubus_cors "-X" 0
  90         }
  91         append_arg "$cfg" script_timeout "-t"
  92         append_arg "$cfg" network_timeout "-T"
  93         append_arg "$cfg" http_keepalive "-k"
  94         append_arg "$cfg" tcp_keepalive "-A"
  95         append_arg "$cfg" error_page "-E"
  96         append_arg "$cfg" max_requests "-n" 3
  97         append_arg "$cfg" max_connections "-N"
  98
  99         append_bool "$cfg" no_ubusauth "-a" 0
 100         append_bool "$cfg" no_symlinks "-S" 0
 101         append_bool "$cfg" no_dirlists "-D" 0
 102         append_bool "$cfg" rfc1918_filter "-R" 0
 103
 104         config_get alias_list "$cfg" alias
 105         for alias in $alias_list; do
 106                  procd_append_param command -y "$alias"
 107         done
 108
 109         config_get http "$cfg" listen_http
 110         for listen in $http; do
 111                  procd_append_param command -p "$listen"
 112         done
 113
 114         config_get interpreter "$cfg" interpreter
 115         for path in $interpreter; do
 116                 procd_append_param command -i "$path"
 117         done
 118
 119         config_get indexes "$cfg" index_page
 120         for path in $indexes; do
 121                 procd_append_param command -I "$path"
 122         done
 123
 124         config_get https "$cfg" listen_https
 125         config_get UHTTPD_KEY  "$cfg" key  /etc/uhttpd.key
 126         config_get UHTTPD_CERT "$cfg" cert /etc/uhttpd.crt
 127
 128         [ -f /lib/libustream-ssl.so ] && [ -n "$https" ] && {
 129                 [ -s "$UHTTPD_CERT" -a -s "$UHTTPD_KEY" ] || {
 130                         config_foreach generate_keys cert
 131                 }
 132
 133                 [ -f "$UHTTPD_CERT" -a -f "$UHTTPD_KEY" ] && {
 134                         append_arg "$cfg" cert "-C"
 135                         append_arg "$cfg" key  "-K"
 136
 137                         for listen in $https; do
 138                                 procd_append_param command -s "$listen"
 139                         done
 140                 }
 141
 142                 append_bool "$cfg" redirect_https "-q" 0
 143         }
 144
 145         for file in /etc/uhttpd/*.json; do
 146                 [ -s "$file" ] && procd_append_param command -H "$file"
 147         done
 148
 149         procd_close_instance
 150 }
 151
 152 service_triggers()
 153 {
 154         procd_add_reload_trigger "uhttpd"
 155 }
 156
 157 start_service() {
 158         config_load uhttpd
 159         config_foreach start_instance uhttpd
 160 }