1 files changed, 68 insertions, 0 deletions
diff --git a/modules.d/35network-manager/nm-run.sh b/modules.d/35network-manager/nm-run.sh
new file mode 100755
index 0000000..14b9cb1
--- /dev/null
+++ b/modules.d/35network-manager/nm-run.sh
@@ -0,0 +1,68 @@
+#!/bin/bash
+
+type source_hook > /dev/null 2>&1 || . /lib/dracut-lib.sh
+
+if [ -z "$DRACUT_SYSTEMD" ]; then
+    # Only start NM if networking is needed
+    if [ -e /run/NetworkManager/initrd/neednet ]; then
+        for i in /usr/lib/NetworkManager/system-connections/* \
+            /run/NetworkManager/system-connections/* \
+            /etc/NetworkManager/system-connections/* \
+            /etc/sysconfig/network-scripts/ifcfg-*; do
+            [ -f "$i" ] || continue
+            /usr/sbin/NetworkManager --configure-and-quit=initrd --no-daemon
+            break
+        done
+    fi
+fi
+
+if [ -s /run/NetworkManager/initrd/hostname ]; then
+    cat /run/NetworkManager/initrd/hostname > /proc/sys/kernel/hostname
+fi
+
+kf_get_string() {
+    # NetworkManager writes keyfiles (glib's GKeyFile API). Have a naive
+    # parser for it.
+    #
+    # But GKeyFile will backslash escape certain keys (\s, \t, \n) but also
+    # escape backslash. As an approximation, interpret the string with printf's
+    # '%b'.
+    #
+    # This is supposed to mimic g_key_file_get_string() (poorly).
+
+    v1="$(sed -n "s/^$1=/=/p" | sed '1!d')"
+    test "$v1" = "${v1#=}" && return 1
+    printf "%b" "${v1#=}"
+}
+
+kf_unescape() {
+    # Another layer of unescaping. While values in GKeyFile format
+    # are backslash escaped, the original strings (which are in no
+    # defined encoding) are backslash escaped too to be valid UTF-8.
+    # This will undo the second layer of escaping to give binary "strings".
+    printf "%b" "$1"
+}
+
+kf_parse() {
+    v3="$(kf_get_string "$1")" || return 1
+    v3="$(kf_unescape "$v3")"
+    printf '%s=%s\n' "$2" "$(printf '%q' "$v3")"
+}
+
+dhcpopts_create() {
+    kf_parse root-path new_root_path < "$1"
+    kf_parse next-server new_next_server < "$1"
+    kf_parse dhcp-bootfile filename < "$1"
+}
+
+for _i in /sys/class/net/*; do
+    [ -d "$_i" ] || continue
+    state="/run/NetworkManager/devices/$(cat "$_i"/ifindex)"
+    grep -q '^connection-uuid=' "$state" 2> /dev/null || continue
+    ifname="${_i##*/}"
+    dhcpopts_create "$state" > /tmp/dhclient."$ifname".dhcpopts
+    source_hook initqueue/online "$ifname"
+    /sbin/netroot "$ifname"
+done
+
+: > /tmp/nm.done