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-rw-r--r--hooks/net39
1 files changed, 26 insertions, 13 deletions
diff --git a/hooks/net b/hooks/net
index 9b97e39..86535bb 100644
--- a/hooks/net
+++ b/hooks/net
@@ -1,7 +1,7 @@
# vim: set ft=sh:
run_hook ()
{
- local line i address rootserver rootpath
+ local line i address netmask gateway dns0 dns1 rootserver rootpath defaultrootpath defaultserver
: > /ip_opts
@@ -47,20 +47,33 @@ run_hook ()
# calculate nfs_server, nfs_path and nfs_option for later nfs mount
if [ "${root}" = "/dev/nfs" -o "${nfsroot}" != "" ]; then
- # default rootpath
- if [ "${rootpath}" = "" ]; then
- rootpath="/tftpboot/${address}"
+ # parse rootpath if defined by dhcp server
+ if [ -n "${rootpath}" ]; then
+ line="${rootpath}"
+ nfs_server="${line%%:*}"
+ [ "${nfs_server}" = "${line}" ] && nfs_server="${rootserver}"
+ defaultserver="${nfs_server}"
+ line="${line#*:}"
+ nfs_path="${line}"
+ defaultrootpath="${nfs_path}"
+ else
+ # define a default rootpath
+ if [ "${rootpath}" = "" ]; then
+ defaultrootpath="/tftpboot/${address}"
+ fi
fi
- # parse nfsroot
- line="${nfsroot}"
- nfs_server="${line%%:*}"
- [ "${nfs_server}" = "${line}" ] && nfs_server="${rootserver}"
- line="${line#*:}"
- nfs_path="${line%%,*}"
- line="${line#"${nfs_path}"}"
- [ "${nfs_path}" = "" ] && nfs_path="${rootpath}"
- nfs_option="${line#","}"
+ # parse nfsroot if present (overrides rootpath)
+ if [ -n "${nfsroot}" ]; then
+ line="${nfsroot}"
+ nfs_server="${line%%:*}"
+ [ -z "${nfs_server}" ] && nfs_server="${defaultserver}"
+ line="${line#*:}"
+ nfs_path="${line%%,*}"
+ line="${line#"${nfs_path}"}"
+ [ -z "${nfs_path}" ] && nfs_path="${defaultrootpath}"
+ nfs_option="${line#","}"
+ fi
# ensure root and filesystem type are set proper for nfs boot
root="/dev/nfs"