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72 lines
1.7 KiB
72 lines
1.7 KiB
#!/bin/sh
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SSH=/usr/bin/ssh
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[ -x "$SSH" ] || {
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echo "Cannot find executable $SSH." >&2
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exit 1
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}
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. /lib/functions.sh
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. ../netifd-proto.sh
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init_proto "$@"
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INCLUDE_ONLY=1
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. ./ppp.sh
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proto_pppossh_init_config() {
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ppp_generic_init_config
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config_add_string server sshuser ipaddr peeraddr ssh_options
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config_add_array 'identity:list(string)'
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config_add_int port use_hostdep
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available=1
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no_device=1
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}
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proto_pppossh_setup() {
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local config="$1"
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local iface="$2"
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local user="$(id -nu)"
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local home=$(sh -c "echo ~$user")
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local server port sshuser ipaddr peeraddr ssh_options identity use_hostdep
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local ip fn errmsg opts pty
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json_get_vars port sshuser ipaddr peeraddr ssh_options use_hostdep
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json_get_var server server && {
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[ -z "$use_hostdep" ] && use_hostdep=1
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for ip in $(resolveip -t 5 "$server"); do
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if [ "$use_hostdep" -gt 0 ]; then
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( proto_add_host_dependency "$config" "$ip" )
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else
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break
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fi
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done
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}
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[ -n "$ip" ] || errmsg="${errmsg}Could not resolve $server\n"
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[ -n "$sshuser" ] || errmsg="${errmsg}Missing sshuser option\n"
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json_get_values identity identity
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[ -z "$identity" ] && identity="$home/.ssh/id_rsa $home/.ssh/id_dsa"
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for fn in $identity; do
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[ -f "$fn" ] && opts="$opts -i $fn"
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done
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[ -n "$opts" ] || errmsg="${errmsg}Cannot find valid identity file\n"
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[ -n "$errmsg" ] && {
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echo -ne "$errmsg" >&2
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proto_setup_failed "$config"
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exit 1
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}
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opts="$opts ${port:+-p $port}"
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opts="$opts ${ssh_options}"
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opts="$opts $sshuser@$server"
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pty="exec env 'HOME=$home' $SSH $opts pppd nodetach notty noauth"
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ppp_generic_setup "$config" noauth pty "$pty" "$ipaddr:$peeraddr"
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}
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proto_pppossh_teardown() {
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ppp_generic_teardown "$@"
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}
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add_protocol pppossh
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