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Fix/cidr error handling (#102)

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* fix docker build

* catch error from CIDR which can happen with invalid sip gateway data
This commit is contained in:
Dave Horton
2023-05-31 09:11:53 -04:00
committed by GitHub
parent 8448e003f6
commit e641c590b2
2 changed files with 19 additions and 7 deletions
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4
.github/workflows/docker-publish.yml vendored
View File

@@ -2,6 +2,8 @@ name: Docker
on:
push:
branches:
- main
tags:
- '*'
@@ -18,7 +20,7 @@ jobs:
- name: prepare tag
id: prepare_tag
run: |
IMAGE_ID=$GITHUB_REPOSITORY
IMAGE_ID=jambonz/sbc-inbound
# Strip git ref prefix from version
VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')

22
lib/db-utils.js
View File

@@ -11,6 +11,8 @@ vc.application_sid, sg.inbound, sg.outbound, sg.is_active, sg.ipv4, sg.netmask
FROM sip_gateways sg, voip_carriers vc, accounts acc
WHERE acc.sip_realm = ?
AND vc.account_sid = acc.account_sid
AND vc.is_active = 1
AND sg.inbound = 1
AND sg.voip_carrier_sid = vc.voip_carrier_sid`;
const sqlSelectAllCarriersForSPByRealm =
@@ -20,6 +22,8 @@ FROM sip_gateways sg, voip_carriers vc, accounts acc
WHERE acc.sip_realm = ?
AND vc.service_provider_sid = acc.service_provider_sid
AND vc.account_sid IS NULL
AND vc.is_active = 1
AND sg.inbound = 1
AND sg.voip_carrier_sid = vc.voip_carrier_sid`;
const sqlSelectAllGatewaysForSP =
@@ -37,6 +41,8 @@ vc.application_sid, sg.inbound, sg.outbound, sg.is_active, sg.ipv4, sg.netmask
FROM sip_gateways sg, voip_carriers vc, accounts acc
WHERE acc.account_sid = ?
AND vc.account_sid = acc.account_sid
AND vc.is_active = 1
AND sg.inbound = 1
AND sg.voip_carrier_sid = vc.voip_carrier_sid`;
const sqlAccountByRealm = 'SELECT * from accounts WHERE sip_realm = ?';
@@ -68,11 +74,15 @@ AND vc.is_active = 1
AND vc.register_sip_realm = ?
AND vc.register_username = ?`;
const gatewayMatchesSourceAddress = (source_address, gw) => {
const gatewayMatchesSourceAddress = (logger, source_address, gw) => {
if (32 === gw.netmask && gw.ipv4 === source_address) return true;
if (gw.netmask < 32) {
const matcher = new CIDRMatcher([`${gw.ipv4}/${gw.netmask}`]);
return matcher.contains(source_address);
try {
const matcher = new CIDRMatcher([`${gw.ipv4}/${gw.netmask}`]);
return matcher.contains(source_address);
} catch (err) {
logger.info({err, gw}, 'gatewayMatchesSourceAddress: Error parsing netmask');
}
}
return false;
};
@@ -140,7 +150,7 @@ module.exports = (srf, logger) => {
const [gwAcc] = await pp.query(sqlSelectAllCarriersForAccountByRealm, [uri.host]);
const [gwSP] = gwAcc.length ? [[]] : await pp.query(sqlSelectAllCarriersForSPByRealm, uri.host);
const gw = gwAcc.concat(gwSP);
const selected = gw.find(gatewayMatchesSourceAddress.bind(null, req.source_address));
const selected = gw.find(gatewayMatchesSourceAddress.bind(null, logger, req.source_address));
if (selected) {
const [a] = await pp.query(sqlAccountByRealm, [uri.host]);
if (0 === a.length) return failure;
@@ -161,7 +171,7 @@ module.exports = (srf, logger) => {
user: uri.user
}, 'sip realm is not associated with an account, checking carriers');
const [gw] = await pp.query(sqlSelectCarrierRequiringRegistration, [uri.host, uri.user]);
const matches = gw.filter(gatewayMatchesSourceAddress.bind(null, req.source_address));
const matches = gw.filter(gatewayMatchesSourceAddress.bind(null, logger, req.source_address));
if (1 === matches.length) {
// bingo
//TODO: this assumes the carrier is associate to an account, not an SP
@@ -212,7 +222,7 @@ module.exports = (srf, logger) => {
/* find all carrier entries that have an inbound gateway matching the source IP */
const [gw] = await pp.query(sqlSelectAllGatewaysForSP);
let matches = gw
.filter(gatewayMatchesSourceAddress.bind(null, req.source_address))
.filter(gatewayMatchesSourceAddress.bind(null, logger, req.source_address))
.map((gw) => {
return {
voip_carrier_sid: gw.voip_carrier_sid,