X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=plc.d%2Ffunctions;h=e2e128cde8c909fda91231640a78c37d9aa2df25;hb=e8f9d455fe3dbff172b144b0e2edcf400ce9c52d;hp=71aaf3f48725c54c054544b6ddf42e6de011acac;hpb=00486e6f391586f05c8439ab2f8986f106b0535c;p=myplc.git

diff --git a/plc.d/functions b/plc.d/functions
index 71aaf3f..e2e128c 100644
--- a/plc.d/functions
+++ b/plc.d/functions
@@ -1,23 +1,18 @@
 # -*-Shell-script-*-
+# $Id$
+# $URL$
 #
 # Common functions for PLC startup/shutdown scripts
 #
 # Mark Huang <mlhuang@cs.princeton.edu>
 # Copyright (C) 2006 The Trustees of Princeton University
 #
-# $Id: functions,v 1.2 2006/04/07 04:27:56 mlhuang Exp $
-#
 
 export PATH=/sbin:/bin:/usr/bin:/usr/sbin
 
 # Source function library
 . /etc/init.d/functions
 
-# Source configuration if it exists
-if [ -f /etc/planetlab/plc_config ] ; then
-    . /etc/planetlab/plc_config
-fi
-
 # Total number of errors
 ERRORS=0
 
@@ -61,7 +56,16 @@ plc_daemon ()
     [ -n "${pid:-}" -a -z "${force:-}" ] && return
 
     # And start it up.
-    (exec -a plc_${base} $*)
+    # Thierry -- June 18 2007
+    # when invoking, e.g. service plc start httpd from an ssh connection
+    # ssh stupidly hangs when everything is done
+    # it turns out the forked ssh daemon exhibits the following stack at that point
+    # (gdb) where
+    # #0  0x001d6402 in __kernel_vsyscall ()
+    # #1  0x003c2e7d in ___newselect_nocancel () from /lib/libc.so.6
+    # #2  0x004387b4 in main () from /usr/sbin/sshd
+    # So I figured the various file descriptors used were not properly closed
+    (exec 3>&- 4>&- ; exec -a plc_${base} $*)
     ret=$?
 
     if [ -f /var/run/${base}.pid ] ; then
@@ -74,14 +78,7 @@ plc_daemon ()
 # Print IP address of hostname if resolvable
 gethostbyname ()
 {
-    perl -MSocket -e '($a,$b,$c,$d,@addrs) = gethostbyname($ARGV[0]); print inet_ntoa($addrs[0]) . "\n";' $1 2>/dev/null
-}
-
-# Print the CNAME of an SSL certificate
-ssl_cname ()
-{
-    openssl x509 -noout -in $1 -subject | \
-	sed -n -e 's@.*/CN=\([^/]*\).*@\1@p'
+    python -c 'import socket; import sys; print socket.gethostbyname(sys.argv[1])' $1 2>/dev/null
 }
 
 # Forcefully make a symlink
@@ -92,7 +89,27 @@ symlink ()
     ln -s $1 $2
 }
 
+# Argument(s) or stdin to lowercase stdout
+lower ()
+{
+    if [ ${#*} -ge 1 ] ; then
+	tr A-Z a-z <<<$*
+    else
+	tr A-Z a-z
+    fi
+}
+
+# Argument(s) or stdin to uppercase stdout
+upper ()
+{
+    if [ ${#*} -ge 1 ] ; then
+	tr a-z A-Z <<<$*
+    else
+	tr a-z A-Z
+    fi
+}
+
 # Make copies of stdout and stderr. The plc initscript redirects
 # stdout and stderr to a logfile if -v is not specified.
-[ ! -e /dev/fd/3 ] && exec 3>&1
-[ ! -e /dev/fd/4 ] && exec 4>&2
+[ ! -e /proc/self/fd/3 ] && exec 3>&1
+[ ! -e /proc/self/fd/4 ] && exec 4>&2