| 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 "defaultroute" |
| 20 | proto_config_add_boolean "peerdns" |
| 21 | proto_config_add_boolean "ipv6" |
| 22 | proto_config_add_boolean "authfail" |
| 23 | proto_config_add_int "mtu" |
| 24 | } |
| 25 | |
| 26 | ppp_generic_setup() { |
| 27 | local config="$1"; shift |
| 28 | |
| 29 | json_get_vars ipv6 peerdns defaultroute demand keepalive username password pppd_options |
| 30 | [ "$ipv6" = 1 ] || ipv6="" |
| 31 | [ "$peerdns" = 0 ] && peerdns="" || peerdns="1" |
| 32 | if [ "$defaultroute" = 1 ]; then |
| 33 | defaultroute="defaultroute replacedefaultroute"; |
| 34 | else |
| 35 | defaultroute="nodefaultroute" |
| 36 | fi |
| 37 | if [ "${demand:-0}" -gt 0 ]; then |
| 38 | demand="precompiled-active-filter /etc/ppp/filter demand idle $demand" |
| 39 | else |
| 40 | demand="persist" |
| 41 | fi |
| 42 | |
| 43 | [ -n "$mtu" ] || json_get_var mtu mtu |
| 44 | |
| 45 | local interval="${keepalive##*[, ]}" |
| 46 | [ "$interval" != "$keepalive" ] || interval=5 |
| 47 | [ -n "$connect" ] || json_get_var connect connect |
| 48 | [ -n "$disconnect" ] || json_get_var disconnect disconnect |
| 49 | |
| 50 | proto_run_command "$config" /usr/sbin/pppd \ |
| 51 | nodetach ipparam "$config" \ |
| 52 | ifname "${proto:-ppp}-$config" \ |
| 53 | ${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive%%[, ]*}} \ |
| 54 | ${ipv6:++ipv6} $defaultroute \ |
| 55 | ${peerdns:+usepeerdns} \ |
| 56 | $demand maxfail 1 \ |
| 57 | ${username:+user "$username" password "$password"} \ |
| 58 | ${connect:+connect "$connect"} \ |
| 59 | ${disconnect:+disconnect "$disconnect"} \ |
| 60 | ip-up-script /lib/netifd/ppp-up \ |
| 61 | ipv6-up-script /lib/netifd/ppp-up \ |
| 62 | ip-down-script /lib/netifd/ppp-down \ |
| 63 | ipv6-down-script /lib/netifd/ppp-down \ |
| 64 | ${mtu:+mtu $mtu mru $mtu} \ |
| 65 | $pppd_options "$@" |
| 66 | } |
| 67 | |
| 68 | ppp_generic_teardown() { |
| 69 | local interface="$1" |
| 70 | |
| 71 | case "$ERROR" in |
| 72 | 11|19) |
| 73 | proto_notify_error "$interface" AUTH_FAILED |
| 74 | json_get_var authfail authfail |
| 75 | if [ "${authfail:-0}" -gt 0 ]; then |
| 76 | proto_block_restart "$interface" |
| 77 | fi |
| 78 | ;; |
| 79 | 2) |
| 80 | proto_notify_error "$interface" INVALID_OPTIONS |
| 81 | proto_block_restart "$interface" |
| 82 | ;; |
| 83 | esac |
| 84 | proto_kill_command "$interface" |
| 85 | } |
| 86 | |
| 87 | # PPP on serial device |
| 88 | |
| 89 | proto_ppp_init_config() { |
| 90 | proto_config_add_string "device" |
| 91 | ppp_generic_init_config |
| 92 | no_device=1 |
| 93 | available=1 |
| 94 | } |
| 95 | |
| 96 | proto_ppp_setup() { |
| 97 | local config="$1" |
| 98 | |
| 99 | json_get_var device device |
| 100 | ppp_generic_setup "$config" "$device" |
| 101 | } |
| 102 | |
| 103 | proto_ppp_teardown() { |
| 104 | ppp_generic_teardown "$@" |
| 105 | } |
| 106 | |
| 107 | proto_pppoe_init_config() { |
| 108 | ppp_generic_init_config |
| 109 | proto_config_add_string "ac" |
| 110 | proto_config_add_string "service" |
| 111 | } |
| 112 | |
| 113 | proto_pppoe_setup() { |
| 114 | local config="$1" |
| 115 | local iface="$2" |
| 116 | |
| 117 | for module in slhc ppp_generic pppox pppoe; do |
| 118 | /sbin/insmod $module 2>&- >&- |
| 119 | done |
| 120 | |
| 121 | json_get_var mtu mtu |
| 122 | mtu="${mtu:-1492}" |
| 123 | |
| 124 | json_get_var ac ac |
| 125 | json_get_var service service |
| 126 | |
| 127 | ppp_generic_setup "$config" \ |
| 128 | plugin rp-pppoe.so \ |
| 129 | ${ac:+rp_pppoe_ac "$ac"} \ |
| 130 | ${service:+rp_pppoe_service "$service"} \ |
| 131 | "nic-$iface" |
| 132 | } |
| 133 | |
| 134 | proto_pppoe_teardown() { |
| 135 | ppp_generic_teardown "$@" |
| 136 | } |
| 137 | |
| 138 | proto_pppoa_init_config() { |
| 139 | ppp_generic_init_config |
| 140 | proto_config_add_int "atmdev" |
| 141 | proto_config_add_int "vci" |
| 142 | proto_config_add_int "vpi" |
| 143 | proto_config_add_string "encaps" |
| 144 | no_device=1 |
| 145 | available=1 |
| 146 | } |
| 147 | |
| 148 | proto_pppoa_setup() { |
| 149 | local config="$1" |
| 150 | local iface="$2" |
| 151 | |
| 152 | for module in slhc ppp_generic pppox pppoatm; do |
| 153 | /sbin/insmod $module 2>&- >&- |
| 154 | done |
| 155 | |
| 156 | json_get_vars atmdev vci vpi encaps |
| 157 | |
| 158 | case "$encaps" in |
| 159 | 1|vc) encaps="vc-encaps" ;; |
| 160 | *) encaps="llc-encaps" ;; |
| 161 | esac |
| 162 | |
| 163 | ppp_generic_setup "$config" \ |
| 164 | plugin pppoatm.so \ |
| 165 | ${atmdev:+$atmdev.}${vpi:-8}.${vci:-35} \ |
| 166 | ${encaps} |
| 167 | } |
| 168 | |
| 169 | proto_pppoa_teardown() { |
| 170 | ppp_generic_teardown "$@" |
| 171 | } |
| 172 | |
| 173 | proto_pptp_init_config() { |
| 174 | ppp_generic_init_config |
| 175 | proto_config_add_string "server" |
| 176 | available=1 |
| 177 | no_device=1 |
| 178 | } |
| 179 | |
| 180 | proto_pptp_setup() { |
| 181 | local config="$1" |
| 182 | local iface="$2" |
| 183 | |
| 184 | local ip serv_addr server |
| 185 | json_get_var server server && { |
| 186 | for ip in $(resolveip -t 5 "$server"); do |
| 187 | ( proto_add_host_dependency "$config" "$ip" ) |
| 188 | serv_addr=1 |
| 189 | done |
| 190 | } |
| 191 | [ -n "$serv_addr" ] || { |
| 192 | echo "Could not resolve server address" |
| 193 | sleep 5 |
| 194 | proto_setup_failed "$config" |
| 195 | exit 1 |
| 196 | } |
| 197 | |
| 198 | local load |
| 199 | for module in slhc ppp_generic ppp_async ppp_mppe ip_gre gre pptp; do |
| 200 | grep -q "$module" /proc/modules && continue |
| 201 | /sbin/insmod $module 2>&- >&- |
| 202 | load=1 |
| 203 | done |
| 204 | [ "$load" = "1" ] && sleep 1 |
| 205 | |
| 206 | ppp_generic_setup "$config" \ |
| 207 | plugin pptp.so \ |
| 208 | pptp_server $server \ |
| 209 | file /etc/ppp/options.pptp |
| 210 | } |
| 211 | |
| 212 | proto_pptp_teardown() { |
| 213 | ppp_generic_teardown "$@" |
| 214 | } |
| 215 | |
| 216 | [ -n "$INCLUDE_ONLY" ] || { |
| 217 | add_protocol ppp |
| 218 | [ -f /usr/lib/pppd/*/rp-pppoe.so ] && add_protocol pppoe |
| 219 | [ -f /usr/lib/pppd/*/pppoatm.so ] && add_protocol pppoa |
| 220 | [ -f /usr/lib/pppd/*/pptp.so ] && add_protocol pptp |
| 221 | } |
| 222 | |
| 223 | |
