dracut/0015-40network-replace-dhclient-with-wickedd-dhcp-supplic.patch

From 3b7df07e27efd2ef2df4d9d40253ee8185eb4152 Mon Sep 17 00:00:00 2001
From: Pavel Wieczorkiewicz <pwieczorkiewicz@suse.com>
Date: Mon, 7 Apr 2014 16:26:57 +0200
Subject: 40network: replace dhclient with wickedd-dhcp-supplicant

SLES12 is using wickedd, so we need to replace dhclient with
wickedd-dhcp-supplicant.

References: bnc#866771

Signed-off-by: Hannes Reinecke <hare@suse.de>
---
 modules.d/40network/dhclient.conf    |   3 -
 modules.d/40network/ifup.sh          | 109 ++++++++++++++++++++++++++++-------
 modules.d/40network/kill-dhclient.sh |  15 -----
 modules.d/40network/module-setup.sh  |  15 +++--
 4 files changed, 98 insertions(+), 44 deletions(-)
 delete mode 100644 modules.d/40network/dhclient.conf
 delete mode 100755 modules.d/40network/kill-dhclient.sh

diff --git a/modules.d/40network/dhclient.conf b/modules.d/40network/dhclient.conf
deleted file mode 100644
index dbf5882..0000000
--- a/modules.d/40network/dhclient.conf
+++ /dev/null
@@ -1,3 +0,0 @@
-request subnet-mask, broadcast-address, time-offset, routers,
-        domain-name, domain-name-servers, domain-search, host-name,
-        root-path, interface-mtu;
diff --git a/modules.d/40network/ifup.sh b/modules.d/40network/ifup.sh
index 31a04bf..92e4b38 100755
--- a/modules.d/40network/ifup.sh
+++ b/modules.d/40network/ifup.sh
@@ -87,6 +87,70 @@ else
         [ -e /tmp/net.$(cat /sys/class/net/$netif/address).did-setup ] && exit 0
 fi
 
+dhcp_apply() {
+    if [ -f /tmp/leaseinfo.${netif}.dhcp.ipv${1:1:1} ]; then
+        . /tmp/leaseinfo.${netif}.dhcp.ipv${1:1:1}
+    else
+        warn "DHCP failed";
+        return 1
+    fi
+
+    if [ -z "${IPADDR}" ] || [ -z "${INTERFACE}" ]; then
+           warn "Missing crucial DHCP variables"
+           return 1
+    fi
+
+    # Assign IP address
+    ip $1 addr add "$IPADDR" ${BROADCAST:+broadcast $BROADCAST} dev "$INTERFACE"
+
+    # Assign network route the interface is attached to
+    if [ -n "${NETWORK}" ]; then
+        ip $1 route add "$NETWORK"/"$PREFIXLEN" dev "$INTERFACE"
+    fi
+
+    # Assign provided routes
+    local r route=()
+    if [ -n "${ROUTES}" ]; then
+        for r in ${ROUTES}; do
+            route=(${r//,/ })
+            ip $1 route add "$route[0]"/"$route[1]" via "$route[2]" dev "$INTERFACE"
+        done
+    fi
+
+    # Assign provided routers
+    local g
+    if [ -n "${GATEWAYS}" ]; then
+        for g in ${GATEWAYS}; do
+            ip $1 route add default via "$g" dev "$INTERFACE" && break
+        done
+    fi
+
+    # Setup hostname
+    [ -n "${HOSTNAME}" ] && hostname "$HOSTNAME"
+
+    # If nameserver= has not been specified, use what dhcp provides
+    if [ ! -s /tmp/net.$netif.resolv.conf ]; then
+        if [ -n "${DNSDOMAIN}" ]; then
+            echo domain "${DNSDOMAIN}"
+        fi >> /tmp/net.$netif.resolv.conf
+
+        if [ -n "${DNSSEARCH}" ]; then
+            echo search "${DNSSEARCH}"
+        fi >> /tmp/net.$netif.resolv.conf
+
+        if  [ -n "${DNSSERVERS}" ] ; then
+            for s in ${DNSSERVERS}; do
+                echo nameserver "$s"
+            done
+        fi >> /tmp/net.$netif.resolv.conf
+    fi
+    [ -e /tmp/net.$netif.resolv.conf ] && \
+        cp -f /tmp/net.$netif.resolv.conf /etc/resolv.conf
+
+    info "DHCP is finished successfully"
+    return 0
+}
+
 # Run dhclient
 do_dhcp() {
     # dhclient-script will mark the netif up and generate the online
@@ -98,28 +162,35 @@ do_dhcp() {
     local _DHCPRETRY=$(getargs rd.net.dhcp.retry=)
     _DHCPRETRY=${_DHCPRETRY:-1}
 
-    [ -e /tmp/dhclient.$netif.pid ] && return 0
+    [ -f /tmp/leaseinfo.${netif}.dhcp.ipv${1:1:1} ] && return 0
+
+    info "Preparation for DHCP transaction"
+
+    local dhclient=''
+    if [ "$1" = "-4" ] ; then
+        dhclient="wickedd-dhcp4"
+    elif [ "$1" = "-6" ] ; then
+        dhclient="wickedd-dhcp6"
+    fi
+
+    # Address changed
+    ip $1 addr flush dev "$netif"
 
     if ! iface_has_link $netif; then
-        warn "No carrier detected on interface $netif"
-        return 1
+        warn "No carrier detected"
+        warn "Trying to set $netif up..."
+        ip $1 link set dev "$netif" up
+        if ! iface_has_link $netif; then
+            warn "Failed..."
+            return 1
+        fi
     fi
 
-    while [ $_COUNT -lt $_DHCPRETRY ]; do
-        info "Starting dhcp for interface $netif"
-        dhclient "$@" \
-                 ${_timeout:+-timeout $_timeout} \
-                 -q \
-                 -cf /etc/dhclient.conf \
-                 -pf /tmp/dhclient.$netif.pid \
-                 -lf /tmp/dhclient.$netif.lease \
-                 $netif \
-            && return 0
-        _COUNT=$(($_COUNT+1))
-        [ $_COUNT -lt $_DHCPRETRY ] && sleep 1
-    done
-    warn "dhcp for interface $netif failed"
-    return 1
+    $dhclient --test $netif > /tmp/leaseinfo.${netif}.dhcp.ipv${1:1:1}
+    dhcp_apply $1 || return $?
+
+    echo $netif > /tmp/setup_net_${netif}.ok
+    return 0
 }
 
 load_ipv6() {
@@ -262,8 +333,6 @@ if [ -e /tmp/team.info ]; then
     fi
 fi
 
-# XXX need error handling like dhclient-script
-
 if [ -e /tmp/bridge.info ]; then
     . /tmp/bridge.info
 # start bridge if necessary
diff --git a/modules.d/40network/kill-dhclient.sh b/modules.d/40network/kill-dhclient.sh
deleted file mode 100755
index 9a17495..0000000
--- a/modules.d/40network/kill-dhclient.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/bin/sh
-
-for f in /tmp/dhclient.*.pid; do
-    [ -e $f ] || continue
-    read PID < $f;
-    kill $PID >/dev/null 2>&1
-done
-
-sleep 0.1
-
-for f in /tmp/dhclient.*.pid; do
-    [ -e $f ] || continue
-    read PID < $f;
-    kill -9 $PID >/dev/null 2>&1
-done
diff --git a/modules.d/40network/module-setup.sh b/modules.d/40network/module-setup.sh
index 4bf93cc..2252995 100755
--- a/modules.d/40network/module-setup.sh
+++ b/modules.d/40network/module-setup.sh
@@ -1,10 +1,13 @@
 #!/bin/bash
 
+WICKEDD_DHCP_PATH="/usr/lib/wicked/bin"
+WICKED_EXT_PATH="/etc/wicked/extensions"
+
 # called by dracut
 check() {
     local _program
 
-    require_binaries ip arping dhclient || return 1
+    require_binaries ip arping $WICKEDD_DHCP_PATH/wickedd-dhcp4 $WICKEDD_DHCP_PATH/wickedd-dhcp6 || return 1
 
     return 255
 }
@@ -23,17 +26,18 @@ installkernel() {
 # called by dracut
 install() {
     local _arch _i _dir
-    inst_multiple ip arping dhclient sed
+    inst_multiple ip arping hostname sed
     inst_multiple -o ping ping6
     inst_multiple -o brctl
     inst_multiple -o teamd teamdctl teamnl
     inst_simple /etc/libnl/classid
+    inst_simple "$WICKEDD_DHCP_PATH/wickedd-dhcp4" "/usr/sbin/wickedd-dhcp4"
+    inst_simple "$WICKEDD_DHCP_PATH/wickedd-dhcp6" "/usr/sbin/wickedd-dhcp6"
+    inst_libdir_file "libwicked*.so.*"
+    inst_libdir_file "libdbus-1.so.*"
     inst_script "$moddir/ifup.sh" "/sbin/ifup"
     inst_script "$moddir/netroot.sh" "/sbin/netroot"
-    inst_script "$moddir/dhclient-script.sh" "/sbin/dhclient-script"
     inst_simple "$moddir/net-lib.sh" "/lib/net-lib.sh"
-    inst_simple -H "/etc/dhclient.conf"
-    cat "$moddir/dhclient.conf" >> "${initdir}/etc/dhclient.conf"
     inst_hook pre-udev 50 "$moddir/ifname-genrules.sh"
     inst_hook pre-udev 60 "$moddir/net-genrules.sh"
     inst_hook cmdline 91 "$moddir/dhcp-root.sh"
@@ -44,7 +48,6 @@ install() {
     inst_hook cmdline 97 "$moddir/parse-bridge.sh"
     inst_hook cmdline 98 "$moddir/parse-ip-opts.sh"
     inst_hook cmdline 99 "$moddir/parse-ifname.sh"
-    inst_hook cleanup 10 "$moddir/kill-dhclient.sh"
 
     _arch=$(uname -m)
 
-- 
2.6.6