sshd revision 252062
1150835Syar#!/bin/sh 2150835Syar# 3150835Syar# $FreeBSD: head/etc/rc.d/sshd 252062 2013-06-21 17:23:19Z delphij $ 4150835Syar# 5150835Syar 6150835Syar# PROVIDE: sshd 7195026Sdougb# REQUIRE: LOGIN FILESYSTEMS 8150835Syar# KEYWORD: shutdown 9150835Syar 10150835Syar. /etc/rc.subr 11150835Syar 12150835Syarname="sshd" 13230099Sdougbrcvar="sshd_enable" 14150835Syarcommand="/usr/sbin/${name}" 15150835Syarkeygen_cmd="sshd_keygen" 16150835Syarstart_precmd="sshd_precmd" 17165683Syarreload_precmd="sshd_precmd" 18150835Syarrestart_precmd="sshd_precmd" 19150835Syarconfigtest_cmd="sshd_configtest" 20150835Syarpidfile="/var/run/${name}.pid" 21150835Syarextra_commands="configtest keygen reload" 22150835Syar 23150835Syartimeout=300 24150835Syar 25150835Syaruser_reseed() 26150835Syar{ 27150835Syar ( 28150835Syar seeded=`sysctl -n kern.random.sys.seeded 2>/dev/null` 29150835Syar if [ "x${seeded}" != "x" ] && [ ${seeded} -eq 0 ] ; then 30150835Syar warn "Setting entropy source to blocking mode." 31150835Syar echo "====================================================" 32168593Skeramida echo "Type a full screenful of random junk to unblock" 33168593Skeramida echo "it and remember to finish with <enter>. This will" 34150835Syar echo "timeout in ${timeout} seconds, but waiting for" 35168593Skeramida echo "the timeout without typing junk may make the" 36168593Skeramida echo "entropy source deliver predictable output." 37168593Skeramida echo "" 38246358Sdes echo "Just hit <enter> for fast+insecure startup." 39168593Skeramida echo "====================================================" 40150835Syar sysctl kern.random.sys.seeded=0 2>/dev/null 41150835Syar read -t ${timeout} junk 42150835Syar echo "${junk}" `sysctl -a` `date` > /dev/random 43150835Syar fi 44150835Syar ) 45150835Syar} 46150835Syar 47150835Syarsshd_keygen() 48150835Syar{ 49150835Syar ( 50 umask 022 51 52 # Can't do anything if ssh is not installed 53 [ -x /usr/bin/ssh-keygen ] || { 54 warn "/usr/bin/ssh-keygen does not exist." 55 return 1 56 } 57 58 if [ -f /etc/ssh/ssh_host_key ]; then 59 echo "You already have an RSA host key" \ 60 "in /etc/ssh/ssh_host_key" 61 echo "Skipping protocol version 1 RSA Key Generation" 62 else 63 /usr/bin/ssh-keygen -t rsa1 -b 1024 \ 64 -f /etc/ssh/ssh_host_key -N '' 65 fi 66 67 if [ -f /etc/ssh/ssh_host_dsa_key ]; then 68 echo "You already have a DSA host key" \ 69 "in /etc/ssh/ssh_host_dsa_key" 70 echo "Skipping protocol version 2 DSA Key Generation" 71 else 72 /usr/bin/ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -N '' 73 fi 74 75 if [ -f /etc/ssh/ssh_host_rsa_key ]; then 76 echo "You already have an RSA host key" \ 77 "in /etc/ssh/ssh_host_rsa_key" 78 echo "Skipping protocol version 2 RSA Key Generation" 79 else 80 /usr/bin/ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N '' 81 fi 82 83 if [ -f /etc/ssh/ssh_host_ecdsa_key ]; then 84 echo "You already have an ECDSA host key" \ 85 "in /etc/ssh/ssh_host_ecdsa_key" 86 echo "Skipping protocol version 2 ECDSA Key Generation" 87 else 88 /usr/bin/ssh-keygen -t ecdsa -f /etc/ssh/ssh_host_ecdsa_key -N '' 89 fi 90 ) 91} 92 93sshd_configtest() 94{ 95 echo "Performing sanity check on ${name} configuration." 96 eval ${command} ${sshd_flags} -t 97} 98 99sshd_precmd() 100{ 101 if [ ! -f /etc/ssh/ssh_host_key -o \ 102 ! -f /etc/ssh/ssh_host_dsa_key -o \ 103 ! -f /etc/ssh/ssh_host_ecdsa_key -o \ 104 ! -f /etc/ssh/ssh_host_rsa_key ]; then 105 user_reseed 106 run_rc_command keygen 107 fi 108 sshd_configtest 109} 110 111load_rc_config $name 112run_rc_command "$1" 113