| 1 | #!/bin/sh |
| 2 | |
| 3 | [ -x /usr/sbin/pppd ] || exit 0 |
| 4 | |
| 5 | [ -n "$INCLUDE_ONLY" ] || { |
| 6 | . /lib/functions.sh |
| 7 | . ../netifd-proto.sh |
| 8 | init_proto "$@" |
| 9 | } |
| 10 | |
| 11 | ppp_generic_init_config() { |
| 12 | proto_config_add_string "username" |
| 13 | proto_config_add_string "password" |
| 14 | proto_config_add_string "keepalive" |
| 15 | proto_config_add_int "demand" |
| 16 | proto_config_add_string "pppd_options" |
| 17 | proto_config_add_string "connect" |
| 18 | proto_config_add_string "disconnect" |
| 19 | proto_config_add_boolean "ipv6" |
| 20 | proto_config_add_boolean "authfail" |
| 21 | proto_config_add_int "mtu" |
| 22 | } |
| 23 | |
| 24 | ppp_generic_setup() { |
| 25 | local config="$1"; shift |
| 26 | |
| 27 | json_get_vars ipv6 demand keepalive username password pppd_options |
| 28 | [ "$ipv6" = 1 ] || ipv6="" |
| 29 | if [ "${demand:-0}" -gt 0 ]; then |
| 30 | demand="precompiled-active-filter /etc/ppp/filter demand idle $demand" |
| 31 | else |
| 32 | demand="persist" |
| 33 | fi |
| 34 | |
| 35 | [ -n "$mtu" ] || json_get_var mtu mtu |
| 36 | |
| 37 | local interval="${keepalive##*[, ]}" |
| 38 | [ "$interval" != "$keepalive" ] || interval=5 |
| 39 | [ -n "$connect" ] || json_get_var connect connect |
| 40 | [ -n "$disconnect" ] || json_get_var disconnect disconnect |
| 41 | |
| 42 | proto_run_command "$config" /usr/sbin/pppd \ |
| 43 | nodetach ipparam "$config" \ |
| 44 | ifname "${proto:-ppp}-$config" \ |
| 45 | ${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive%%[, ]*}} \ |
| 46 | ${ipv6:++ipv6} \ |
| 47 | nodefaultroute \ |
| 48 | usepeerdns \ |
| 49 | $demand maxfail 1 \ |
| 50 | ${username:+user "$username" password "$password"} \ |
| 51 | ${connect:+connect "$connect"} \ |
| 52 | ${disconnect:+disconnect "$disconnect"} \ |
| 53 | ip-up-script /lib/netifd/ppp-up \ |
| 54 | ipv6-up-script /lib/netifd/ppp-up \ |
| 55 | ip-down-script /lib/netifd/ppp-down \ |
| 56 | ipv6-down-script /lib/netifd/ppp-down \ |
| 57 | ${mtu:+mtu $mtu mru $mtu} \ |
| 58 | $pppd_options "$@" |
| 59 | } |
| 60 | |
| 61 | ppp_generic_teardown() { |
| 62 | local interface="$1" |
| 63 | |
| 64 | case "$ERROR" in |
| 65 | 11|19) |
| 66 | proto_notify_error "$interface" AUTH_FAILED |
| 67 | json_get_var authfail authfail |
| 68 | if [ "${authfail:-0}" -gt 0 ]; then |
| 69 | proto_block_restart "$interface" |
| 70 | fi |
| 71 | ;; |
| 72 | 2) |
| 73 | proto_notify_error "$interface" INVALID_OPTIONS |
| 74 | proto_block_restart "$interface" |
| 75 | ;; |
| 76 | esac |
| 77 | proto_kill_command "$interface" |
| 78 | } |
| 79 | |
| 80 | # PPP on serial device |
| 81 | |
| 82 | proto_ppp_init_config() { |
| 83 | proto_config_add_string "device" |
| 84 | ppp_generic_init_config |
| 85 | no_device=1 |
| 86 | available=1 |
| 87 | } |
| 88 | |
| 89 | proto_ppp_setup() { |
| 90 | local config="$1" |
| 91 | |
| 92 | json_get_var device device |
| 93 | ppp_generic_setup "$config" "$device" |
| 94 | } |
| 95 | |
| 96 | proto_ppp_teardown() { |
| 97 | ppp_generic_teardown "$@" |
| 98 | } |
| 99 | |
| 100 | proto_pppoe_init_config() { |
| 101 | ppp_generic_init_config |
| 102 | proto_config_add_string "ac" |
| 103 | proto_config_add_string "service" |
| 104 | } |
| 105 | |
| 106 | proto_pppoe_setup() { |
| 107 | local config="$1" |
| 108 | local iface="$2" |
| 109 | |
| 110 | for module in slhc ppp_generic pppox pppoe; do |
| 111 | /sbin/insmod $module 2>&- >&- |
| 112 | done |
| 113 | |
| 114 | json_get_var mtu mtu |
| 115 | mtu="${mtu:-1492}" |
| 116 | |
| 117 | json_get_var ac ac |
| 118 | json_get_var service service |
| 119 | |
| 120 | ppp_generic_setup "$config" \ |
| 121 | plugin rp-pppoe.so \ |
| 122 | ${ac:+rp_pppoe_ac "$ac"} \ |
| 123 | ${service:+rp_pppoe_service "$service"} \ |
| 124 | "nic-$iface" |
| 125 | } |
| 126 | |
| 127 | proto_pppoe_teardown() { |
| 128 | ppp_generic_teardown "$@" |
| 129 | } |
| 130 | |
| 131 | proto_pppoa_init_config() { |
| 132 | ppp_generic_init_config |
| 133 | proto_config_add_int "atmdev" |
| 134 | proto_config_add_int "vci" |
| 135 | proto_config_add_int "vpi" |
| 136 | proto_config_add_string "encaps" |
| 137 | no_device=1 |
| 138 | available=1 |
| 139 | } |
| 140 | |
| 141 | proto_pppoa_setup() { |
| 142 | local config="$1" |
| 143 | local iface="$2" |
| 144 | |
| 145 | for module in slhc ppp_generic pppox pppoatm; do |
| 146 | /sbin/insmod $module 2>&- >&- |
| 147 | done |
| 148 | |
| 149 | json_get_vars atmdev vci vpi encaps |
| 150 | |
| 151 | case "$encaps" in |
| 152 | 1|vc) encaps="vc-encaps" ;; |
| 153 | *) encaps="llc-encaps" ;; |
| 154 | esac |
| 155 | |
| 156 | ppp_generic_setup "$config" \ |
| 157 | plugin pppoatm.so \ |
| 158 | ${atmdev:+$atmdev.}${vpi:-8}.${vci:-35} \ |
| 159 | ${encaps} |
| 160 | } |
| 161 | |
| 162 | proto_pppoa_teardown() { |
| 163 | ppp_generic_teardown "$@" |
| 164 | } |
| 165 | |
| 166 | proto_pptp_init_config() { |
| 167 | ppp_generic_init_config |
| 168 | proto_config_add_string "server" |
| 169 | available=1 |
| 170 | no_device=1 |
| 171 | } |
| 172 | |
| 173 | proto_pptp_setup() { |
| 174 | local config="$1" |
| 175 | local iface="$2" |
| 176 | |
| 177 | local ip serv_addr server |
| 178 | json_get_var server server && { |
| 179 | for ip in $(resolveip -t 5 "$server"); do |
| 180 | ( proto_add_host_dependency "$config" "$ip" ) |
| 181 | serv_addr=1 |
| 182 | done |
| 183 | } |
| 184 | [ -n "$serv_addr" ] || { |
| 185 | echo "Could not resolve server address" |
| 186 | sleep 5 |
| 187 | proto_setup_failed "$config" |
| 188 | exit 1 |
| 189 | } |
| 190 | |
| 191 | local load |
| 192 | for module in slhc ppp_generic ppp_async ppp_mppe ip_gre gre pptp; do |
| 193 | grep -q "$module" /proc/modules && continue |
| 194 | /sbin/insmod $module 2>&- >&- |
| 195 | load=1 |
| 196 | done |
| 197 | [ "$load" = "1" ] && sleep 1 |
| 198 | |
| 199 | ppp_generic_setup "$config" \ |
| 200 | plugin pptp.so \ |
| 201 | pptp_server $server \ |
| 202 | file /etc/ppp/options.pptp |
| 203 | } |
| 204 | |
| 205 | proto_pptp_teardown() { |
| 206 | ppp_generic_teardown "$@" |
| 207 | } |
| 208 | |
| 209 | [ -n "$INCLUDE_ONLY" ] || { |
| 210 | add_protocol ppp |
| 211 | [ -f /usr/lib/pppd/*/rp-pppoe.so ] && add_protocol pppoe |
| 212 | [ -f /usr/lib/pppd/*/pppoatm.so ] && add_protocol pppoa |
| 213 | [ -f /usr/lib/pppd/*/pptp.so ] && add_protocol pptp |
| 214 | } |
| 215 | |
| 216 | |
