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Date: Tue, 9 Mar 2010 12:12:53 +0900
From: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
To: stephen.hemminger@...tta.com, netdev@...r.kernel.org
CC: yoshfuji@...ux-ipv6.org
Subject: [PATCH] gaiconf: /etc/gai.conf configuration helper.
This tool reads /etc/gai.conf, configuration for getaddrinfo(3), and
set up kernel parameter.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
---
examples/gaiconf | 134 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 134 insertions(+), 0 deletions(-)
create mode 100644 examples/gaiconf
diff --git a/examples/gaiconf b/examples/gaiconf
new file mode 100644
index 0000000..d75292b
--- /dev/null
+++ b/examples/gaiconf
@@ -0,0 +1,134 @@
+#!/bin/sh
+
+#
+# Setup address label from /etc/gai.conf
+#
+# Written by YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>, 2010.
+#
+
+IP=ip
+DEFAULT_GAICONF=/etc/gai.conf
+verbose=
+debug=
+
+function run ()
+{
+ if [ x"$verbose" != x"" ]; then
+ echo "$@"
+ fi
+ if [ x"$debug" = x"" ]; then
+ "$@"
+ fi
+}
+
+function do_load_config ()
+{
+ file=$1; shift
+ flush=1
+ cat $file | while read command prefix label; do
+ if [ x"$command" = x"#label" ]; then
+ if [ ${flush} = 1 ]; then
+ run ${IP} -6 addrlabel flush
+ flush=0
+ fi
+ run ${IP} -6 addrlabel add prefix $prefix label $label
+ fi
+ done
+}
+
+function do_list_config ()
+{
+ ${IP} -6 addrlabel list | while read p pfx l lbl; do
+ echo label ${pfx} ${lbl}
+ done
+}
+
+function help ()
+{
+ echo "Usage: $0 [-v] {--list | --config [ ${DEFAULT_GAICONF} ] | --default}"
+ exit 1
+}
+
+TEMP=`getopt -o c::dlv -l config::,default,list,verbose -n gaiconf -- "$@"`
+
+if [ $? != 0 ]; then
+ echo "Terminating..." >&2
+ exit 1
+fi
+
+TEMPFILE=`mktemp`
+
+eval set -- "$TEMP"
+
+while true ; do
+ case "$1" in
+ -c|--config)
+ if [ x"$cmd" != x"" ]; then
+ help
+ fi
+ case "$2" in
+ "") gai_conf="${DEFAULT_GAICONF}"
+ shift 2
+ ;;
+ *) gai_conf="$2"
+ shift 2
+ esac
+ cmd=config
+ ;;
+ -d|--default)
+ if [ x"$cmd" != x"" ]; then
+ help
+ fi
+ gai_conf=${TEMPFILE}
+ cmd=config
+ ;;
+ -l|--list)
+ if [ x"$cmd" != x"" ]; then
+ help
+ fi
+ cmd=list
+ shift
+ ;;
+ -v)
+ verbose=1
+ shift
+ ;;
+ --)
+ shift;
+ break
+ ;;
+ *)
+ echo "Internal error!" >&2
+ exit 1
+ ;;
+ esac
+done
+
+case "$cmd" in
+ config)
+ if [ x"$gai_conf" = x"${TEMPFILE}" ]; then
+ sed -e 's/^[[:space:]]*//' <<END_OF_DEFAULT >${TEMPFILE}
+ label ::1/128 0
+ label ::/0 1
+ label 2002::/16 2
+ label ::/96 3
+ label ::ffff:0:0/96 4
+ label fec0::/10 5
+ label fc00::/7 6
+ label 2001:0::/32 7
+END_OF_DEFAULT
+ fi
+ do_load_config "$gai_conf"
+ ;;
+ list)
+ do_list_config
+ ;;
+ *)
+ help
+ ;;
+esac
+
+rm -f "${TEMPFILE}"
+
+exit 0
+
--
1.5.6.5
--
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