generate ssh keys

Signed-off-by: Nico Schottelius <nico@wurzel.schottelius.org>

hacking/v3-busybox/all.sh

@@ -11,22 +11,3 @@ initramfs=preos/boot/initramfs
 ./create_iso.sh preos preos.iso
 
 exit 0
-
-run_earlyhook() {
-    kmod static-nodes --format=tmpfiles --output=/run/tmpfiles.d/kmod.conf
-    systemd-tmpfiles --prefix=/dev --create --boot
-    /usr/lib/systemd/systemd-udevd --daemon --resolve-names=never
-    udevd_running=1
-}   
-    
-run_hook() {
-    msg ":: Triggering uevents..."
-    udevadm trigger --action=add --type=subsystems
-    udevadm trigger --action=add --type=devices
-    udevadm settle
-}           
-        
-run_cleanuphook() {
-    udevadm control --exit
-    udevadm info --cleanup-db
-}      

hacking/v3-busybox/copy_bin_with_libs.sh

@@ -13,13 +13,17 @@ fi
 
 out_dir=$1
 
+# TODO:
+# - various mkfs 
+
 #bin_list="udevadm bash fdisk mount syslinux umount rm mv"
-bin_list="udevadm fdisk"
+bin_list="udevadm fdisk sshd ssh-keygen"
+
+# debug tools
+bin_list="$bin_list strace less"
 
 libs=$(mktemp /tmp/cdist-preos-libs.XXXXXXXXXXXXX)
 
-mkdir -p "$out_dir/bin" "$out_dir/lib"
-
 (   
     for bin in $bin_list; do
         src=$(which "$bin")
@@ -31,30 +35,10 @@ mkdir -p "$out_dir/bin" "$out_dir/lib"
 
 
 while read lib; do
-    if echo $lib | grep '^/'; then
+    if echo $lib | grep -q '^/'; then
         # echo "Copying fqdn lib $lib ..."
         cp "$lib" "$out_dir/lib"
-    else
-        echo "How to copy $lib ?"
     fi
 done < "$libs"
 
-
 rm -f "$libs"
-
-exit 0
-
-
-bin=$1
-
-# Not used alternatives
-# new_list=$(objdump -p /usr/bin/ls | awk '$1 ~ /NEEDED/ { print $2 }')
-# ldconfig -p | grep 'libBrokenLocale.so.1$' | sed 's/.* => //'
-
-
-for new_item in $new_list; do
-    
-
-done
-
-ldconfig -p | 

hacking/v3-busybox/create_initramfs.sh

@@ -1,6 +1,7 @@
 #!/bin/sh
-set -ex
+set -e
 
+here=$(pwd -P)
 
 initramfs_dir=$(mktemp -d /tmp/cdist-preos.XXXXXXX)
 # initramfs_dir=$1
@@ -22,10 +23,10 @@ cd "${initramfs_dir}"
 # Add Arch Linux initramfs with kernel modules included
 zcat /boot/initramfs-linux-fallback.img | cpio -i
 
-# TODO:
-# - ssh
-# - various mkfs
-# - libs
+# Add helper binaries
+"$here/copy_bin_with_libs.sh" "$initramfs_dir" >/dev/null 2>&1
+"$here/sshd_config.sh" "$initramfs_dir"
+
 
 # Create new initramfs
 find . | cpio -H newc -o | gzip

hacking/v3-busybox/init

@@ -1,17 +1,16 @@
 #!/bin/sh
 
-#Create all the symlinks to /bin/busybox
+# Create all the symlinks to /bin/busybox
 /bin/busybox --install -s
 
-#Mount things needed by this script
+# Mount things needed by this script
 mount -t proc proc /proc
 mount -t sysfs sysfs /sys
 
-#Disable kernel messages from popping onto the screen
+# Disable kernel messages from popping onto the screen
 echo 0 > /proc/sys/kernel/printk
 
-
-#Create device nodes
+# Create device nodes
 mknod /dev/null c 1 3
 mknod /dev/tty c 5 0
 mdev -s
@@ -24,5 +23,10 @@ udevadm trigger --action=add --type=subsystems
 udevadm trigger --action=add --type=devices
 udevadm settle
 
+# /bin/sshd
+
+# Generate keys for sshd
+echo "Generating keys for sshd"
+ssh-keygen -A
 
 exec sh

hacking/v3-busybox/sshd_config.sh

@@ -9,6 +9,7 @@ dir=$1
 
 mkdir -p "$dir/etc/ssh"
 mkdir -p "$dir/root/.ssh"
+mkdir -p "$dir/lib"
 
 cat << eof > "$dir/etc/ssh/sshd_config"
 # cdist generated - do not modify
@@ -25,6 +26,20 @@ root:x:0:root
 nobody:x:99:
 eof
 
+# libpam not found
+# /etc/ssl/openssl.cnf
+# /etc/gai.conf
+# no nscd socket
+# /etc/nsswitch.conf
+# libnss_compat.so.2
+# libnss_files.so.2
+
+# Fixes the user problem
+cp /lib/libnss* "$dir/lib"
+
+# Required by sshd
+mkdir -p "$dir/var/empty"
+
 #cat << eof > "$dir/etc/shadow"
 #root:x:0:0:root:/root:/bin/bash
 #nobody:x:1::::::