1 #!/bin/sh /etc/rc.common
2 # Copyright (C) 2006-2009 OpenWrt.org
3 # Copyright (C) 2006 Carlos Sobrinho
6 PROG=/usr/sbin/dropbear
9 EXTRA_COMMANDS="killclients"
10 EXTRA_HELP=" killclients Kill ${NAME} processes except servers and yourself"
16 # check if section is enabled (default)
18 config_get_bool enabled "${section}" enable 1
19 [ "${enabled}" -eq 0 ] && return 1
23 config_get_bool verbosed "${section}" verbose 0
25 # increase pid file count to handle multiple instances correctly
26 PIDCOUNT="$(( ${PIDCOUNT} + 1))"
29 # A) password authentication
32 config_get_bool passauth "${section}" PasswordAuth 1
33 [ "${passauth}" -eq 0 ] && nopasswd=1
36 config_get port "${section}" Port
39 config_get bannerfile ${section} BannerFile
40 [ -f $bannerfile ] || bannerfile=''
42 # concatenate parameters
44 args="${nopasswd:+-s }${port:+-p ${port} }${bannerfile:+-b $bannerfile }-P /var/run/${NAME}.${PIDCOUNT}.pid"
46 # execute program and return its exit code
47 [ "${verbosed}" -ne 0 ] && echo "${initscript}: section ${section} starting ${PROG} ${args}"
54 for keytype in rsa dss; do
56 key=dropbear/dropbear_${keytype}_host_key
57 [ -f /tmp/$key -o -s /etc/$key ] || {
58 # generate missing keys
59 mkdir -p /tmp/dropbear
60 [ -x /usr/bin/dropbearkey ] && {
61 /usr/bin/dropbearkey -t $keytype -f /tmp/$key 2>&- >&- && exec /etc/rc.common "$initscript" start
67 lock /tmp/.switch2jffs
68 mkdir -p /etc/dropbear
69 mv /tmp/dropbear/dropbear_* /etc/dropbear/
70 lock -u /tmp/.switch2jffs
71 chown root /etc/dropbear
72 chmod 0700 /etc/dropbear
77 [ -s /etc/dropbear/dropbear_rsa_host_key -a \
78 -s /etc/dropbear/dropbear_dss_host_key ] || keygen
81 config_foreach dropbear_start dropbear
86 # killing all server processes
88 for pidfile in `ls /var/run/${NAME}.*.pid`
90 start-stop-daemon -K -s KILL -p "${pidfile}" -n "${NAME}" >/dev/null
93 [ -z "${pidfile}" ] && echo "${initscript}: no pid files, if you get problems with start then try killclients"
102 # if this script is run from inside a client session, then ignore that session
104 while [ "${pid}" -ne 0 ]
106 # get parent process id
107 pid=`cut -d ' ' -f 4 "/proc/${pid}/stat"`
108 [ "${pid}" -eq 0 ] && break
110 # check if client connection
111 ps | grep -e "^[ ]*${pid} " | grep "${PROG}" >/dev/null
114 append ignore "${pid}"
119 # get all server pids that should be ignored
120 for server in `cat /var/run/${NAME}.*.pid`
122 append ignore "${server}"
125 # get all running pids and kill client connections
127 for pid in `pidof "${NAME}"`
129 # check if correct program
130 ps | grep -e "^[ ]*${pid} " | grep "${PROG}" >/dev/null
131 [ $? -ne 0 ] && continue
133 # check if pid should be ignored (servers, ourself)
135 for server in ${ignore}
137 if [ "${pid}" == "${server}" ]
143 [ "${skip}" -ne 0 ] && continue
146 echo "${initscript}: Killing ${pid}..."