diff options
| -rw-r--r-- | debian/control | 1 | ||||
| -rw-r--r-- | interface-definitions/interfaces-wirelessmodem.xml.in | 75 | ||||
| -rwxr-xr-x | src/conf_mode/interfaces-wirelessmodem.py | 192 | ||||
| -rw-r--r-- | src/etc/ppp/peers/chat/att | 6 | ||||
| -rw-r--r-- | src/etc/ppp/peers/chat/sc1 | 13 | ||||
| -rw-r--r-- | src/etc/ppp/peers/chat/verizon | 5 |
6 files changed, 292 insertions, 0 deletions
diff --git a/debian/control b/debian/control index 366e8df94..bccfc02d4 100644 --- a/debian/control +++ b/debian/control @@ -79,6 +79,7 @@ Depends: python3, frr, radvd, dbus, + usb-modeswitch, hostapd (>= 0.6.8), wpasupplicant (>= 0.6.7), iw, diff --git a/interface-definitions/interfaces-wirelessmodem.xml.in b/interface-definitions/interfaces-wirelessmodem.xml.in new file mode 100644 index 000000000..e8946fa68 --- /dev/null +++ b/interface-definitions/interfaces-wirelessmodem.xml.in @@ -0,0 +1,75 @@ +<?xml version="1.0"?> +<interfaceDefinition> + <node name="interfaces"> + <children> + <tagNode name="wirelessmodem" owner="${vyos_conf_scripts_dir}/interfaces-wirelessmodem.py"> + <properties> + <help>Wireless Modem (WWAN) Interface</help> + <priority>350</priority> + <constraint> + <regex>wlm[0-9]+$</regex> + </constraint> + <constraintErrorMessage>Wireless Modem interface must be named wlmN</constraintErrorMessage> + <valueHelp> + <format>wlmN</format> + <description>Wireless modem interface name</description> + </valueHelp> + </properties> + <children> + <node name="backup"> + <properties> + <help>Insert backup default route</help> + </properties> + <children> + <leafNode name="distance"> + <properties> + <help>Distance backup default route</help> + <valueHelp> + <format>1-255</format> + <description>Distance of the backup route (default: 10) </description> + </valueHelp> + <constraint> + <validator name="numeric" argument="--range 1-255"/> + </constraint> + <constraintErrorMessage>Must be between (1-255)</constraintErrorMessage> + </properties> + </leafNode> + </children> + </node> + #include <include/interface-description.xml.i> + <leafNode name="device"> + <properties> + <help>System device name (default: ttyUSB0)</help> + <valueHelp> + <format>>ttyXXX%lt;</format> + <description>System TTY device name</description> + </valueHelp> + </properties> + </leafNode> + #include <include/interface-disable-link-detect.xml.i> + #include <include/interface-mtu-68-9000.xml.i> + <leafNode name="network"> + <properties> + <help>Carrier network to define dial strings</help> + <completionHelp> + <script>ls /etc/ppp/peers/chat</script> + </completionHelp> + </properties> + </leafNode> + <leafNode name="no-dns"> + <properties> + <help>Do not use peer supplied DNS server information</help> + <valueless/> + </properties> + </leafNode> + <leafNode name="ondemand"> + <properties> + <help>Only dial when traffic is available</help> + <valueless/> + </properties> + </leafNode> + </children> + </tagNode> + </children> + </node> +</interfaceDefinition> diff --git a/src/conf_mode/interfaces-wirelessmodem.py b/src/conf_mode/interfaces-wirelessmodem.py new file mode 100755 index 000000000..388d98f4e --- /dev/null +++ b/src/conf_mode/interfaces-wirelessmodem.py @@ -0,0 +1,192 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2020 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +import os + +from sys import exit +from copy import deepcopy +from jinja2 import Template +from subprocess import Popen, PIPE +from pwd import getpwnam +from grp import getgrnam + +from vyos.config import Config +from vyos import ConfigError + +# Please be careful if you edit the template. +config_wwan_tmpl = """### Autogenerated by interfaces-wirelessmodem.py ### +{% if description %} +# {{ description }} +{% endif %} + +ipparam {{ intf }} {{ metric }} +{% if on_demand -%} +demand +{%- endif %} +{% if name_server -%} +usepeerdns +{%- endif %} +logfile {{ logfile }} +linkname {{ intf }} +lcp-echo-failure 0 +115200 +debug +nodefaultroute +ipcp-max-failure 4 +ipcp-accept-local +ipcp-accept-remote +noauth +crtscts +lock +persist + +""" + +default_config_data = { + 'address': [], + 'deleted': False, + 'description': '', + 'device': 'ttyUSB0', + 'disable': False, + 'disable_link_detect': 1, + 'on_demand': False, + 'logfile': '', + 'metric': '10', + 'mtu': '1500', + 'name_server': True, + 'network': 'att', + 'intf': '' +} + +def subprocess_cmd(command): + p = Popen(command, stdout=PIPE, shell=True) + p.communicate() + +def check_kmod(): + modules = ['option', 'usb_wwan', 'usbserial'] + for module in modules: + if not os.path.exists(f'/sys/module/{module}'): + if os.system(f'modprobe {module}') != 0: + raise ConfigError(f'Loading Kernel module {module} failed') + +def get_config(): + wwan = deepcopy(default_config_data) + conf = Config() + + # determine tagNode instance + if 'VYOS_TAGNODE_VALUE' not in os.environ: + raise ConfigError('Interface (VYOS_TAGNODE_VALUE) not specified') + + wwan['intf'] = os.environ['VYOS_TAGNODE_VALUE'] + wwan['logfile'] = f"/var/log/vyatta/ppp_{wwan['intf']}.log" + + # Check if interface has been removed + if not conf.exists('interfaces wirelessmodem ' + wwan['intf']): + wwan['deleted'] = True + return wwan + + # set new configuration level + conf.set_level('interfaces wirelessmodem ' + wwan['intf']) + + # get metrick for backup default route + if conf.exists(['backup', 'distance']): + wwan['metric'] = conf.return_value(['backup', 'distance']) + + # Retrieve interface description + if conf.exists(['description']): + wwan['description'] = conf.return_value(['description']) + + # System device name + if conf.exists(['device']): + wwan['device'] = conf.return_value(['device']) + + # ignore link state changes + if conf.exists('disable-link-detect'): + wwan['disable_link_detect'] = 2 + + # Do not use DNS servers provided by the peer + if conf.exists(['mtu']): + wwan['mtu'] = conf.return_value(['mtu']) + + # Do not use DNS servers provided by the peer + if conf.exists(['network']): + wwan['network'] = conf.return_value(['network']) + + # Do not use DNS servers provided by the peer + if conf.exists(['no-dns']): + wwan['name_server'] = False + + # Access concentrator name (only connect to this concentrator) + if conf.exists(['ondemand']): + wwan['on_demand'] = True + + return wwan + +def verify(wwan): + if wwan is None: + return None + + return None + +def generate(wwan): + config_file_wwan = f"/etc/ppp/peers/{wwan['intf']}" + + # Always hang-up WWAN connection prior generating new configuration file + cmd = f"systemctl stop ppp@{wwan['intf']}.service" + subprocess_cmd(cmd) + + if wwan['deleted']: + # Delete PPP configuration files + if os.path.exists(config_file_wwan): + os.unlink(config_file_wwan) + + else: + # Create PPP configuration files + tmpl = Template(config_wwan_tmpl) + config_text = tmpl.render(wwan) + with open(config_file_wwan, 'w') as f: + f.write(config_text) + + return None + +def apply(wwan): + if wwan['deleted']: + # bail out early + return None + + if not wwan['disable']: + # dial WWAN connection + cmd = f"systemctl start ppp@{wwan['intf']}.service" + subprocess_cmd(cmd) + + # make logfile owned by root / vyattacfg + if os.path.isfile(wwan['logfile']): + uid = getpwnam('root').pw_uid + gid = getgrnam('vyattacfg').gr_gid + os.chown(wwan['logfile'], uid, gid) + + return None + +if __name__ == '__main__': + try: + check_kmod() + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + exit(1) diff --git a/src/etc/ppp/peers/chat/att b/src/etc/ppp/peers/chat/att new file mode 100644 index 000000000..7a02682f5 --- /dev/null +++ b/src/etc/ppp/peers/chat/att @@ -0,0 +1,6 @@ +ABORT 'NO DIAL TONE' ABORT 'NO ANSWER' ABORT 'NO CARRIER' ABORT DELAYED +'' AT +OK ATZ +OK 'AT+CGDCONT=1,"IP","ISP.CINGULAR"' +OK ATD*99# +CONNECT '' diff --git a/src/etc/ppp/peers/chat/sc1 b/src/etc/ppp/peers/chat/sc1 new file mode 100644 index 000000000..fbfabd8c2 --- /dev/null +++ b/src/etc/ppp/peers/chat/sc1 @@ -0,0 +1,13 @@ +TIMEOUT 60 +ABORT ERROR +ABORT BUSY +ABORT VOICE +ABORT "NO CARRIER" +ABORT "NO DIALTONE" +ABORT "NO DIAL TONE" +ABORT "NO ANSWER" +"" "ATZ" +"" "AT&FH0M0" +OK-AT-OK "ATDT*99#" +TIMEOUT 75 +CONNECT diff --git a/src/etc/ppp/peers/chat/verizon b/src/etc/ppp/peers/chat/verizon new file mode 100644 index 000000000..a36a3e915 --- /dev/null +++ b/src/etc/ppp/peers/chat/verizon @@ -0,0 +1,5 @@ +ABORT 'NO CARRIER' ABORT 'ERROR' ABORT 'NO DIALTONE' ABORT +'BUSY' ABORT 'NO ANSWER' +'' ATZ +OK-AT-OK ATDT#777 +CONNECT \d\c |