Bootoption hostname: use grml-hostname to adjust configuration files on the fly.

[grml-autoconfig.git] / autoconfig.functions

diff --git a/autoconfig.functions b/autoconfig.functions
index f9a70ba..3cc12ee 100755 (executable)
--- a/autoconfig.functions
+++ b/autoconfig.functions
@@ -222,13 +222,14 @@ config_language(){
     [ -n "$LANGUAGE" ] || LANGUAGE='en'
  fi
 
     [ -n "$LANGUAGE" ] || LANGUAGE='en'
  fi
 

- # if bootoption lang is used update /etc/default/locale, otherwise *not*!
- if [ -n "$BOOT_LANGUAGE" -a -x /usr/sbin/grml-setlang ] ; then
-    if checkgrmlsmall ; then
-       /usr/sbin/grml-setlang "POSIX"
-    else
-       /usr/sbin/grml-setlang "$LANGUAGE"
-    fi
+ if [ -x /usr/sbin/grml-setlang ] ; then
+   # if bootoption lang is used update /etc/default/locale accordingly
+   if [ -n "$BOOT_LANGUAGE" ] ; then
+     checkgrmlsmall && /usr/sbin/grml-setlang "POSIX" || /usr/sbin/grml-setlang "$LANGUAGE"
+   # otherwise default to lang=en
+   else
+     checkgrmlsmall && /usr/sbin/grml-setlang "POSIX" || /usr/sbin/grml-setlang "en"
+   fi

  fi
 
  # set console font
  fi
 
  # set console font


@@ -353,8 +354,9 @@ config_hostname(){
  if checkbootparam 'hostname' ; then
   HOSTNAME="$(getbootparam 'hostname' 2>>$DEBUG)"
   einfo "Setting hostname to $HOSTNAME as requested."
  if checkbootparam 'hostname' ; then
   HOSTNAME="$(getbootparam 'hostname' 2>>$DEBUG)"
   einfo "Setting hostname to $HOSTNAME as requested."

-  sed -i "s/^127.0.0.1.*localhost/127.0.0.1 $HOSTNAME localhost/" /etc/hosts
-  hostname $HOSTNAME ; eend $?
+  grml-hostname $HOSTNAME >>$DEBUG ; RC=$?
+  [ "$RC" = "0" ] && hostname $HOSTNAME
+  eend $RC

  else
   hostname --file /etc/hostname
  fi
  else
   hostname --file /etc/hostname
  fi


@@ -1501,6 +1503,56 @@ fi
 }
 # }}}
 
 }
 # }}}
 

+# {{{ autostart of x11vnc
+config_vnc(){
+
+USER=grml # TODO: make it dynamically configurable
+if checkbootparam 'vnc' ; then
+   VNC_PASSWD=''
+   VNC_PASSWD="$(getbootparam 'vnc' 2>>$DEBUG)"
+   einfo "Bootoption vnc found, trying to set password for user $USER."
+   eindent
+   if [ -z "$VNC_PASSWD" ] ; then
+      if [ -x /usr/bin/apg ] ; then
+         VNC_PASSWD="$(apg -M NL -a 0 -m 8 -x 12 -n 1)"
+      elif [ -x /usr/bin/gpw ] ; then
+         VNC_PASSWD="$(gpw 1)"
+      elif [ -x /usr/bin/pwgen ] ; then
+         VNC_PASSWD="$(pwgen -1 8)"
+      elif [ -x /usr/bin/hexdump ] ; then
+         VNC_PASSWD="$(dd if=/dev/urandom bs=14 count=1 2>/dev/null | hexdump | awk '{print $3 $4}')"
+      elif [ -n "$RANDOM" ] ; then
+         VNC_PASSWD="${USER}${RANDOM}"
+      else
+         VNC_PASSWD=''
+         eerror "Empty passphrase and neither pwgen nor hexdump nor \$RANDOM found. Skipping."
+         eend 1
+      fi
+
+      if [ -n "$VNC_PASSWD" ] ; then
+         ewarn "No given password for vnc found. Using random password: $VNC_PASSWD" ; eend 0
+      fi
+   fi
+   eoutdent
+
+   # finally check if we have a password we can use:
+   if [ -n "$VNC_PASSWD" ] ; then
+
+      VNCDIR="/home/${USER}/.vnc"
+      [ -d "$VNCDIR" ] || mkdir "$VNCDIR"
+
+      if [ ! -x /usr/bin/x11vnc ] ; then
+         eerror "Error: x11vnc not found - can not set up vnc. Please make sure to install the x11vnc package."
+         eend 1
+      else
+         /usr/bin/x11vnc -storepasswd "$VNC_PASSWD" "$VNCDIR"/passwd ; eend $?
+         /bin/chown -R "$USER": "$VNCDIR"
+      fi
+   fi
+fi
+}
+# }}}
+

 # {{{ set password for user grml
 config_passwd(){
 if checkbootparam 'passwd' >>$DEBUG 2>&1; then
 # {{{ set password for user grml
 config_passwd(){
 if checkbootparam 'passwd' >>$DEBUG 2>&1; then


@@ -2291,9 +2343,10 @@ fi
 
 # {{{ SW-RAID
 config_swraid(){
 
 # {{{ SW-RAID
 config_swraid(){

-  if [ -z "$INSTALLED" ] ; then
+  [ -n "$INSTALLED" ] && return 0
+

   # notice: checkbootparam "forensic" is just for users who don't know how to really use the bootoption
   # notice: checkbootparam "forensic" is just for users who don't know how to really use the bootoption

-  if checkbootparam 'noraid'   || checkbootparam 'noswraid' -o \
+  if checkbootparam 'noraid'   || checkbootparam 'noswraid' || \

      checkbootparam 'forensic' || checkbootparam 'raid=noautodetect' ; then
      ewarn "Skipping SW-RAID code as requested on boot commandline." ; eend 0
   else
      checkbootparam 'forensic' || checkbootparam 'raid=noautodetect' ; then
      ewarn "Skipping SW-RAID code as requested on boot commandline." ; eend 0
   else


@@ -2354,14 +2407,79 @@ config_swraid(){
 
      fi # is /sbin/mdadm executable?
   fi # check for bootoptions
 
      fi # is /sbin/mdadm executable?
   fi # check for bootoptions

-  fi # run only in live-cd mode
+}
+# }}}
+
+# {{{ dmraid
+config_dmraid(){
+  [ -n "$INSTALLED" ] && return 0
+
+  if checkbootparam 'nodmraid' ; then
+    ewarn "Skipping dmraid code as requested on boot commandline." ; eend 0
+    return 0
+  fi
+
+  if ! [ -x /sbin/dmraid ] ; then
+    eerror "dmraid not available, can not execute it." ; eend 1
+    return
+  fi
+
+  dmraid_wrapper() {
+    # usage: dmraid_wrapper <dmraid_option>
+    [ -n "$1" ] || return 1
+
+    IFSOLD=${IFS:-}
+    IFS='
+'
+    eindent
+
+    for line in $(dmraid $1 ; echo errcode:$?); do
+      case $line in
+        *'no raid disks'*)
+          einfo "No active dmraid devices found" ; eend 0
+          break
+          ;;
+        errcode:0)
+          eend 0;
+          ;;
+        errcode:1)
+          eend 1
+          ;;
+        *)
+          einfo "$line"
+          ;;
+      esac
+    done
+
+    eoutdent
+    IFS=$IFSOLD
+  }
+
+  if checkbootparam 'dmraid' ; then
+    local ACTION="$(getbootparam 'dmraid' 2>>$DEBUG)"
+    if [ "$ACTION" = "off" ] ; then
+      # Deactivates all active software RAID sets:
+      einfo "Deactivating present dmraid sets (as requested via dmraid=off):"
+      dmraid_wrapper -an
+    else
+      # Activate all software RAID sets discovered:
+      einfo "Activating present dmraid sets (as requested via dmraid):"
+      dmraid_wrapper -ay
+    fi
+
+    return
+  fi
+
+  # by default (no special bootoptions) discover all software RAID devices:
+  einfo "Searching for any present dmraid sets:"
+  dmraid_wrapper -r

 }
 # }}}
 
 # {{{ LVM (Logical Volumes)
 config_lvm(){
 }
 # }}}
 
 # {{{ LVM (Logical Volumes)
 config_lvm(){

-  if [ -z "$INSTALLED" ] ; then
-  # notice: checkbootparam "forensic" is just for users who don't know how to really use the bootoption
+  [ -n "$INSTALLED" ] && return 0
+

   if checkbootparam 'nolvm' ; then
      ewarn "Skipping LVM code as requested on boot commandline." ; eend 0
   else
   if checkbootparam 'nolvm' ; then
      ewarn "Skipping LVM code as requested on boot commandline." ; eend 0
   else


@@ -2382,7 +2500,6 @@ config_lvm(){
        fi
     fi # check for lvm binary
   fi # check for bootoption nolvm
        fi
     fi # check for lvm binary
   fi # check for bootoption nolvm

-  fi # run only in live-cd mode

 }
 # }}}
 
 }
 # }}}