X-Git-Url: http://ftp.carnet.hr/carnet-debian/scm?p=carnet-tools-cn.git;a=blobdiff_plain;f=functions.sh;h=24c7cf9209d9d4ce6ba1aeea720d8475922a72d7;hp=47ad62f0e3be17026aac7ff9fee678468bb1e67a;hb=refs%2Fheads%2Flenny;hpb=53e4a56a246421d5ec52c23135661e9b7d7ddb63

diff --git a/functions.sh b/functions.sh
index 47ad62f..24c7cf9 100644
--- a/functions.sh
+++ b/functions.sh
@@ -88,9 +88,19 @@ cp_get_ifdefault() {
 
   RET=""
   case $1 in
-    dev)  RET=`route -n | awk '/^0.0.0.0/{print $8}'` ;;
-    addr) RET=`route -n | awk '/^0.0.0.0/{print $2}'` ;;
-    *)    echo "cp_get_ifdefault: Argument required (dev or addr)" >&2 ;;
+    dev)
+      RET=`route -n | awk 'BEGIN {m = 2^32}
+               	    /^0\.0\.0\.0[ \t]/ {if ($5 < m) {r = $8; m = $5}}
+                             END {print r}'`
+      ;;
+    addr)
+      RET=`route -n | awk 'BEGIN {m = 2^32}
+               	    /^0\.0\.0\.0[ \t]/ {if ($5 < m) {r = $2; m = $5}}
+               	             END {print r}'`
+      ;;
+    *)
+      echo "cp_get_ifdefault: Argument required (dev or addr)" >&2
+      ;;
   esac
 
   [ -z "$RET" -a "$1" ] && echo "cp_get_ifdefault: No default route" >&2
@@ -141,7 +151,7 @@ cp_get_netaddr() {
   if [ "$netmask" = "255.255.255.255" ]; then
     cidr="$ipaddress/32"
   else 
-    cidr="`ipcalc -ncb $ipaddress $netmask | awk '/^Network:/{print $2}'`"
+    cidr="`ipcalc -nb $ipaddress $netmask | awk '/^Network:/{print $2}'`"
   fi
   
   RET="$cidr"
@@ -173,6 +183,7 @@ cp_backup_conffile() {
     -p)
       shift
       opt_p=1
+      ;;
     -d)
       shift
       opt_d=1
@@ -187,11 +198,13 @@ cp_backup_conffile() {
     -n)
       shift
       ext=
+      ;;
     esac
   done
   if [ "$opt_d" ]; then
     if [ ! -e "$dir" -a "$opt_p" ]; then
       mkdir "$dir"
+    fi
     if [ $? -ne 0 ]; then
       echo "cp_backup_conffile: Error creating backup directory $dir" 1>&2
       return 3
@@ -314,8 +327,8 @@ cp_mail () {
     CP_NOTICE="From: $pkg postinst script <root>
 To: root
 Subject: $pkg$version package install log
-Date: $(/bin/date +'%a, %d %b %Y %H:%M:%S %z')
- 
+Date: $(LC_ALL=C /bin/date --rfc-2822)
+
 Hello!
 
 The $pkg package has been successfully installed on your computer.
@@ -324,9 +337,11 @@ is included below.
 
 ----------
 ${CP_NOTICE}----------"
-  
-    echo "$CP_NOTICE" | /usr/sbin/sendmail -t &
-    sleep 1
+
+    if [ -x /usr/sbin/sendmail ]; then
+      echo "$CP_NOTICE" | /usr/sbin/sendmail -t -oi &
+      sleep 1
+    fi
   fi
 }
 
@@ -343,6 +358,7 @@ cp_mv () {
   if [ -e "$old" ]; then
     chown --reference "$old" "$new"
     chmod --reference "$old" "$new"
+    cp -pf "$old" "$old.cn-old"
   fi
   mv "$new" "$old"
 }
@@ -365,6 +381,14 @@ cp_yes_no () {
   echo -n "$prompt (y)es/(n)o: "
   read answer
   case "$answer" in
+    Y*)
+      echo
+      RET=y
+      ;;
+    N*)
+      echo
+      RET=n
+      ;;
     y*)
       echo
       RET=y
@@ -376,7 +400,7 @@ cp_yes_no () {
     *)
       echo
       echo "Please read the message and choose y or n"
-      cp_yes_no
+      cp_yes_no "$prompt"
       ;;
   esac
 }
@@ -463,7 +487,83 @@ cp_get_ldap_realm() {
   RET="`echo $RET | awk -F, '{print $1}' | awk -F= '{print $2}'`"
 
   [ -z "$RET" ] && echo "cp_get_ldap_realm: No LDAP REALM in /etc/ldap/slapd.conf" >&2
-  [ -z "$echo_return" ] || echo $RET
-  CP_ECHO_RETURN="$echo_return"
 }
 
+# if fqdn is name.dom3.dom2.dom1.hr, check if this host is MX for
+# either dom3.dom2.dom1.hr, dom2.dom1.hr or dom1.hr and dump highest level
+# domain on stdout
+cp_get_mx_domain() {
+  [ "$CP_SCRIPT_DEBUG" ] && set -vx
+
+  local domains d host
+
+  host=$(hostname -f)
+  RET="$host"
+  if ! echo "$host" | grep -q '\.'; then
+    return
+  fi
+  if [ ! -x /usr/bin/host ]; then
+    # no host command
+    return
+  fi
+  domains=$(/bin/hostname -f | awk -F. '
+    {
+      for (i=2; i<NF; i++) { 
+        for (j=i; j<NF; j++) {
+          printf "%s", $(j)"."
+        };
+        print $NF
+      }
+    }'	  )
+  for d in $domains
+  do
+    mxes=$(/usr/bin/host -t mx $d)
+    # handle output of both /usr/bin/host providers
+    mxes=$(echo "$mxes"|\
+           awk '/mail is handled by/ || /MX/ {print $NF}'|sed 's/\.$//')
+    if echo "$mxes" |egrep -q "^$host$"; then
+      RET="$d"
+    fi
+  done
+
+  [ -z "$CP_ECHO_RETURN" ] || echo "$RET"
+}
+
+_cp_customize() {
+  [ "$CP_SCRIPT_DEBUG" ] && set -vx
+  # < input functions > output_functions
+  # new-prefix list-of-functions
+  perl -e '
+    $prefix = shift; %keep = (); $output = "";
+    $keep{$_} = 1 for @ARGV;
+    # add dependent functions
+    %deps = (
+      get_ifaddr       => [ "get_ifdefault" ],
+      get_netaddr      => [ "get_ifdefault", "get_ifaddr", "get_ifmask" ],
+      check_and_backup => [ "backup_conffile" ],
+      check_and_sed    => [ "mv" ],
+      get_ldap_realm   => [ "get_ldap_suffix" ],
+    );
+    foreach my $f (keys(%keep)) {
+      if (exists($deps{$f})) {
+        $keep{$_} = 1 for (@{$deps{$f}});
+      }
+    }
+    while (<STDIN>) {
+      if (/^_?cp_(\w+) *\(\) *\{/) {
+        if (! exists($keep{$1})) {
+          while (<STDIN>) { last if /^\}/; } # skip it
+          next;
+        } else {
+          $output .= "\n";
+        }
+      }
+      next if /^\s*(\#|$)/;
+      $output .= $_;
+    }
+    $output =~ s/\b(_?)cp_/$1${prefix}_/sg;
+    $prefix = uc($prefix);
+    $output =~ s/\b(_?)CP_/$1${prefix}_/sg;
+    print $output;
+  ' -- $*
+}