modules.d/95ssh-client/module-setup.sh

   1 #!/bin/bash
   2
   3 # fixme: assume user is root
   4
   5 # called by dracut
   6 check() {
   7     [[ $mount_needs ]] && return 1
   8
   9     # If our prerequisites are not met, fail.
  10     require_binaries ssh scp  || return 1
  11
  12     if [[ $sshkey ]]; then
  13         [ ! -f $sshkey ] && {
  14             derror "ssh key: $sshkey is not found!"
  15             return 1
  16         }
  17     fi
  18
  19     return 255
  20 }
  21
  22 # called by dracut
  23 depends() {
  24     # We depend on network modules being loaded
  25     echo network
  26 }
  27
  28 inst_sshenv()
  29 {
  30     if [ -d /root/.ssh ]; then
  31         inst_dir /root/.ssh
  32         chmod 700 ${initdir}/root/.ssh
  33     fi
  34
  35     # Copy over ssh key and knowhosts if needed
  36     [[ $sshkey ]] && {
  37         inst_simple $sshkey
  38         [[ -f /root/.ssh/known_hosts ]] && inst_simple /root/.ssh/known_hosts
  39         [[ -f /etc/ssh/ssh_known_hosts ]] && inst_simple /etc/ssh/ssh_known_hosts
  40     }
  41
  42     # Copy over root and system-wide ssh configs.
  43     [[ -f /root/.ssh/config ]] && inst_simple /root/.ssh/config
  44     if [[ -f /etc/ssh/ssh_config ]]; then
  45         inst_simple /etc/ssh/ssh_config
  46         sed -i -e 's/\(^[[:space:]]*\)ProxyCommand/\1# ProxyCommand/' ${initdir}/etc/ssh/ssh_config
  47         while read key val || [ -n "$key" ]; do
  48             [[ $key != "GlobalKnownHostsFile" ]] && continue
  49             inst_simple "$val"
  50             break
  51         done < /etc/ssh/ssh_config
  52     fi
  53
  54     return 0
  55 }
  56
  57 # called by dracut
  58 install() {
  59     inst_multiple ssh scp
  60     inst_sshenv
  61 }
  62