[3587] | 1 | #!/bin/bash |
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| 2 | # |
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| 3 | # sshd Start up the OpenSSH server daemon |
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| 4 | # |
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| 5 | # chkconfig: 2345 55 25 |
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| 6 | # description: SSH is a protocol for secure remote shell access. \ |
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| 7 | # This service starts up the OpenSSH server daemon. |
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| 8 | # |
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| 9 | # processname: sshd |
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| 10 | # config: /etc/ssh/ssh_host_key |
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| 11 | # config: /etc/ssh/ssh_host_key.pub |
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| 12 | # config: /etc/ssh/ssh_random_seed |
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| 13 | # config: /etc/ssh/sshd_config |
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| 14 | # pidfile: /var/run/sshd.pid |
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| 15 | |
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| 16 | ### BEGIN INIT INFO |
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| 17 | # Provides: sshd |
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| 18 | # Required-Start: $local_fs $network $syslog |
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| 19 | # Required-Stop: $local_fs $syslog |
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| 20 | # Should-Start: $syslog |
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| 21 | # Should-Stop: $network $syslog |
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| 22 | # Default-Start: 2 3 4 5 |
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| 23 | # Default-Stop: 0 1 6 |
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| 24 | # Short-Description: Start up the OpenSSH server daemon |
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| 25 | # Description: SSH is a protocol for secure remote shell access. |
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| 26 | # This service starts up the OpenSSH server daemon. |
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| 27 | ### END INIT INFO |
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| 28 | |
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| 29 | # source function library |
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| 30 | . /etc/rc.d/init.d/functions |
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| 31 | |
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| 32 | # pull in sysconfig settings |
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| 33 | [ -f /etc/sysconfig/sshd ] && . /etc/sysconfig/sshd |
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| 34 | |
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| 35 | RETVAL=0 |
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| 36 | prog="sshd" |
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| 37 | lockfile=/var/lock/subsys/$prog |
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| 38 | |
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| 39 | # Some functions to make the below more readable |
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| 40 | KEYGEN=/usr/bin/ssh-keygen |
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| 41 | SSHD=/usr/sbin/sshd |
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| 42 | RSA1_KEY=/etc/ssh/ssh_host_key |
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| 43 | RSA_KEY=/etc/ssh/ssh_host_rsa_key |
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| 44 | DSA_KEY=/etc/ssh/ssh_host_dsa_key |
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| 45 | ECDSA_KEY=/etc/ssh/ssh_host_ecdsa_key |
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| 46 | PID_FILE=/var/run/sshd.pid |
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| 47 | |
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| 48 | runlevel=$(set -- $(runlevel); eval "echo \$$#" ) |
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| 49 | |
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| 50 | do_rsa1_keygen() { |
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| 51 | if [ ! -s $RSA1_KEY ]; then |
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| 52 | echo -n $"Generating SSH1 RSA host key: " |
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| 53 | rm -f $RSA1_KEY |
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| 54 | if test ! -f $RSA1_KEY && $KEYGEN -q -t rsa1 -f $RSA1_KEY -C '' -N '' >&/dev/null; then |
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| 55 | chmod 600 $RSA1_KEY |
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| 56 | chmod 644 $RSA1_KEY.pub |
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| 57 | if [ -x /sbin/restorecon ]; then |
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| 58 | /sbin/restorecon $RSA1_KEY.pub |
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| 59 | fi |
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| 60 | success $"RSA1 key generation" |
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| 61 | echo |
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| 62 | else |
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| 63 | failure $"RSA1 key generation" |
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| 64 | echo |
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| 65 | exit 1 |
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| 66 | fi |
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| 67 | fi |
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| 68 | } |
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| 69 | |
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| 70 | do_rsa_keygen() { |
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| 71 | if [ ! -s $RSA_KEY ]; then |
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| 72 | echo -n $"Generating SSH2 RSA host key: " |
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| 73 | rm -f $RSA_KEY |
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| 74 | if test ! -f $RSA_KEY && $KEYGEN -q -t rsa -f $RSA_KEY -C '' -N '' >&/dev/null; then |
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| 75 | chmod 600 $RSA_KEY |
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| 76 | chmod 644 $RSA_KEY.pub |
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| 77 | if [ -x /sbin/restorecon ]; then |
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| 78 | /sbin/restorecon $RSA_KEY.pub |
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| 79 | fi |
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| 80 | success $"RSA key generation" |
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| 81 | echo |
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| 82 | else |
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| 83 | failure $"RSA key generation" |
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| 84 | echo |
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| 85 | exit 1 |
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| 86 | fi |
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| 87 | fi |
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| 88 | } |
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| 89 | |
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| 90 | do_dsa_keygen() { |
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| 91 | if [ ! -s $DSA_KEY ]; then |
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| 92 | echo -n $"Generating SSH2 DSA host key: " |
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| 93 | rm -f $DSA_KEY |
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| 94 | if test ! -f $DSA_KEY && $KEYGEN -q -t dsa -f $DSA_KEY -C '' -N '' >&/dev/null; then |
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| 95 | chmod 600 $DSA_KEY |
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| 96 | chmod 644 $DSA_KEY.pub |
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| 97 | if [ -x /sbin/restorecon ]; then |
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| 98 | /sbin/restorecon $DSA_KEY.pub |
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| 99 | fi |
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| 100 | success $"DSA key generation" |
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| 101 | echo |
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| 102 | else |
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| 103 | failure $"DSA key generation" |
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| 104 | echo |
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| 105 | exit 1 |
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| 106 | fi |
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| 107 | fi |
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| 108 | } |
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| 109 | |
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| 110 | do_ecdsa_keygen() { |
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| 111 | if [ ! -s $ECDSA_KEY ]; then |
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| 112 | echo -n $"Generating SSH2 ECDSA host key: " |
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| 113 | rm -f $ECDSA_KEY |
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| 114 | if test ! -f $ECDSA_KEY && $KEYGEN -q -t ecdsa -f $ECDSA_KEY -C '' -N '' >&/dev/null; then |
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| 115 | chmod 600 $ECDSA_KEY |
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| 116 | chmod 644 $ECDSA_KEY.pub |
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| 117 | if [ -x /sbin/restorecon ]; then |
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| 118 | /sbin/restorecon $ECDSA_KEY.pub |
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| 119 | fi |
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| 120 | success $"ECDSA key generation" |
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| 121 | echo |
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| 122 | else |
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| 123 | failure $"ECDSA key generation" |
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| 124 | echo |
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| 125 | exit 1 |
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| 126 | fi |
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| 127 | fi |
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| 128 | } |
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| 129 | |
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| 130 | do_restart_sanity_check() |
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| 131 | { |
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| 132 | $SSHD -t |
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| 133 | RETVAL=$? |
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| 134 | if [ $RETVAL -ne 0 ]; then |
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| 135 | failure $"Configuration file or keys are invalid" |
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| 136 | echo |
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| 137 | fi |
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| 138 | } |
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| 139 | |
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| 140 | start() { |
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| 141 | [ -x $SSHD ] || exit 5 |
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| 142 | [ -f /etc/ssh/sshd_config ] || exit 6 |
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| 143 | # Create keys if necessary |
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| 144 | if [ "x${AUTOCREATE_SERVER_KEYS}" != xNO ]; then |
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| 145 | do_rsa_keygen |
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| 146 | if [ "x${AUTOCREATE_SERVER_KEYS}" != xRSAONLY ]; then |
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| 147 | do_rsa1_keygen |
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| 148 | do_dsa_keygen |
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| 149 | do_ecdsa_keygen |
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| 150 | fi |
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| 151 | fi |
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| 152 | |
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| 153 | cp -af /etc/localtime /var/empty/sshd/etc |
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| 154 | |
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| 155 | echo -n $"Starting $prog: " |
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| 156 | $SSHD $OPTIONS && success || failure |
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| 157 | RETVAL=$? |
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| 158 | [ $RETVAL -eq 0 ] && touch $lockfile |
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| 159 | echo |
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| 160 | return $RETVAL |
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| 161 | } |
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| 162 | |
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| 163 | stop() { |
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| 164 | echo -n $"Stopping $prog: " |
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| 165 | if [ -n "`pidfileofproc $SSHD`" ] ; then |
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| 166 | killproc $SSHD |
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| 167 | else |
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| 168 | failure $"Stopping $prog" |
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| 169 | fi |
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| 170 | RETVAL=$? |
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| 171 | # if we are in halt or reboot runlevel kill all running sessions |
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| 172 | # so the TCP connections are closed cleanly |
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| 173 | if [ "x$runlevel" = x0 -o "x$runlevel" = x6 ] ; then |
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| 174 | trap '' TERM |
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| 175 | killall $prog 2>/dev/null |
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| 176 | trap TERM |
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| 177 | fi |
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| 178 | [ $RETVAL -eq 0 ] && rm -f $lockfile |
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| 179 | echo |
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| 180 | } |
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| 181 | |
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| 182 | reload() { |
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| 183 | echo -n $"Reloading $prog: " |
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| 184 | if [ -n "`pidfileofproc $SSHD`" ] ; then |
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| 185 | killproc $SSHD -HUP |
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| 186 | else |
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| 187 | failure $"Reloading $prog" |
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| 188 | fi |
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| 189 | RETVAL=$? |
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| 190 | echo |
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| 191 | } |
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| 192 | |
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| 193 | restart() { |
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| 194 | stop |
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| 195 | start |
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| 196 | } |
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| 197 | |
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| 198 | force_reload() { |
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| 199 | restart |
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| 200 | } |
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| 201 | |
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| 202 | do_status() { |
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| 203 | status -p $PID_FILE openssh-daemon |
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| 204 | } |
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| 205 | |
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| 206 | is_running() { |
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| 207 | do_status >/dev/null 2>&1 |
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| 208 | } |
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| 209 | |
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| 210 | case "$1" in |
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| 211 | start) |
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| 212 | is_running && exit 0 |
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| 213 | start |
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| 214 | ;; |
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| 215 | stop) |
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| 216 | if ! is_running; then |
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| 217 | rm -f $lockfile |
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| 218 | exit 0 |
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| 219 | fi |
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| 220 | stop |
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| 221 | ;; |
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| 222 | restart) |
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| 223 | restart |
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| 224 | ;; |
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| 225 | reload) |
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| 226 | is_running || exit 7 |
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| 227 | reload |
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| 228 | ;; |
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| 229 | force-reload) |
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| 230 | force_reload |
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| 231 | ;; |
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| 232 | condrestart|try-restart) |
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| 233 | is_running || exit 0 |
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| 234 | if [ -f $lockfile ] ; then |
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| 235 | do_restart_sanity_check |
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| 236 | if [ $RETVAL -eq 0 ] ; then |
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| 237 | stop |
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| 238 | # avoid race |
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| 239 | sleep 3 |
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| 240 | start |
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| 241 | else |
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| 242 | RETVAL=6 |
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| 243 | fi |
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| 244 | fi |
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| 245 | ;; |
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| 246 | status) |
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| 247 | do_status |
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| 248 | RETVAL=$? |
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| 249 | if [ $RETVAL -eq 3 -a -f $lockfile ] ; then |
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| 250 | RETVAL=2 |
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| 251 | fi |
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| 252 | ;; |
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| 253 | *) |
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| 254 | echo $"Usage: $0 {start|stop|restart|reload|force-reload|condrestart|try-restart|status}" |
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| 255 | RETVAL=2 |
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| 256 | esac |
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| 257 | exit $RETVAL |
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