Move conf.debconf generation to postinst, per debconf-devel(7).

[disorder] / debian / postinst.disorder-server

diff --git a/debian/postinst.disorder-server b/debian/postinst.disorder-server
index 4ee3e0a8608709a56035e97535a9e6ad30fc42bf..b5bfaad459100739ed80f068f45fb59b6e983d85 100755 (executable)
--- a/debian/postinst.disorder-server
+++ b/debian/postinst.disorder-server
@@ -1,7 +1,7 @@
 #! /bin/sh
 #
 # This file is part of DisOrder
-# Copyright (C) 2004, 2007 Richard Kettlewell
+# Copyright (C) 2004, 2007, 2008 Richard Kettlewell
 #
 # 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
@@ -34,6 +34,125 @@ configure_init_d() {
 
 restart_server() {
   /etc/init.d/disorder restart
+  # Wait for the server to get going.  This is a horrid bodge and ought
+  # to be done away with, but is required for the time being.  Sorry.
+  sleep 5
+}
+
+setup_guest() {
+  echo "Checking whether guest user exists..." >&2
+  TMPFILE="$(mktemp -t)"
+  if disorder users > "$TMPFILE"; then
+    if grep -q '^guest$' "$TMPFILE"; then
+      echo "Guest user has already been set up." >&2
+    else
+      echo "Attempting to set up guest user..." >&2
+      if disorder setup-guest; then
+        echo "Created guest user." >&2
+      else
+        echo "Failed to create guest user." >&2
+        echo "You can use 'disorder setup-guest' to do this step manually." >&2
+        echo >&2
+      fi
+    fi
+  else
+    echo "Cannot determine whether guest user has been set up." >&2
+    echo >&2
+  fi
+  rm -f "$TMPFILE"
+}
+
+fix_configuration() {
+  # Once the server has started up, we can remove some of the obsolete
+  # directives from the config file.
+  if grep -q ^trust /etc/disorder/config; then
+    echo "Removing obsolete 'trust' directive from /etc/disorder/config" >&2
+    sed < /etc/disorder/config > /etc/disorder/config.new \
+       's/^trust/#trust/'
+    chmod 644 /etc/disorder/config.new
+    mv /etc/disorder/config.new /etc/disorder/config
+  fi
+  if test -e /etc/disorder/config.private \
+      && grep -q ^allow /etc/disorder/config.private; then
+    echo "Removing obsolete 'allow' directive(s) from /etc/disorder/config.private" >&2
+    u=$(umask)
+    umask 077
+    sed < /etc/disorder/config.private > /etc/disorder/config.private.new \
+       's/^allow/#allow/'
+    umask $u
+    chmod 640 /etc/disorder/config.private.new
+    chown root:jukebox /etc/disorder/config.private.new
+    mv /etc/disorder/config.private.new /etc/disorder/config.private
+  fi
+}
+
+# Create configuration from debconf answers
+create_config() {
+  db_get disorder/roots || true
+  roots="$RET"
+  db_get disorder/scratches || true
+  scratches="$RET"
+  db_get disorder/encoding || true
+  encoding="$RET"
+  db_get disorder/port || true
+  port="$RET"
+  db_get disorder/smtp_server || true
+  smtp_server="$RET"
+  db_get disorder/mail_sender || true
+  mail_sender="$RET"
+  db_get disorder/interface || true
+  interface="$RET"
+  if test "x$interface" = xnetwork; then
+    db_get disorder/mcast_address || true
+    mcast_address="$RET"
+    db_get disorder/mcast_port || true
+    mcast_port="$RET"
+  fi
+
+  mkdir -p /etc/disorder
+  cat > /etc/disorder/conf.debconf.new <<EOF
+# created automatically from debconf information
+# do not edit manually
+# run 'dpkg-reconfigure disorder' instead
+EOF
+
+  echo >> /etc/disorder/conf.debconf.new
+  echo "# Collection roots"  >> /etc/disorder/conf.debconf.new
+  for r in $roots; do
+    echo "collection fs $encoding $r" >> /etc/disorder/conf.debconf.new
+  done
+
+  echo >> /etc/disorder/conf.debconf.new
+  echo "# Scratches" >> /etc/disorder/conf.debconf.new
+  for s in $scratches; do
+    echo "scratch $s" >> /etc/disorder/conf.debconf.new
+  done
+
+  if test "$mail_sender" != ""; then
+    echo "" >> /etc/disorder/conf.debconf.new
+    echo "# SMTP server" >> /etc/disorder/conf.debconf.new
+    echo "smtp_server $smtp_server" >> /etc/disorder/conf.debconf.new
+  fi
+
+  if test "$mail_sender" != ""; then
+    echo "" >> /etc/disorder/conf.debconf.new
+    echo "# Source mail address" >> /etc/disorder/conf.debconf.new
+    echo "mail_sender $mail_sender" >> /etc/disorder/conf.debconf.new
+  fi
+
+  if test "$port" != none && test "$port" != ""; then
+    echo >> /etc/disorder/conf.debconf.new
+    echo "# Listen for remote clients" >> /etc/disorder/conf.debconf.new
+    echo "listen 0.0.0.0 $port" >> /etc/disorder/conf.debconf.new
+  fi
+
+  if test "x$interface" = xnetwork; then
+    echo "" >> /etc/disorder/conf.debconf.new
+    echo "# Target address for RTP frames" >> /etc/disorder/conf.debconf.new
+    echo "broadcast $mcast_address $mcast_port" >> /etc/disorder/conf.debconf.new
+  fi
+
+  mv /etc/disorder/conf.debconf.new /etc/disorder/conf.debconf
 }
 
 case "$1" in
@@ -45,8 +164,13 @@ configure )
   fi
   chown jukebox:jukebox /var/lib/disorder
   configure_init_d
+  create_config
   restart_server
-  db_stop
+  fix_configuration
+  setup_guest
+  ;;
+reconfigure )
+  create_config
   ;;
 abort-upgrade )
   /etc/init.d/disorder restart
@@ -55,3 +179,5 @@ reconfigure )
   /etc/init.d/disorder reload
   ;;
 esac
+
+db_stop