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bug 6971: Use PSK length configuration

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validate global configurations
This commit is contained in:
Chiradeep Vittal 2010-11-17 16:32:43 -08:00
parent 6100dc62b5
commit 4c7bb302bc
4 changed files with 36 additions and 7 deletions
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2
server/src/com/cloud/configuration/Config.java
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@ -60,7 +60,7 @@ public enum Config {
GuestDomainSuffix("Network", AgentManager.class, String.class, "domain.suffix", "cloud-test.cloud.internal", "Default domain name for vms inside virtualized networks fronted by router", null),
//VPN
RemoteAccessVpnPskLength("Network", AgentManager.class, Integer.class, "remote.access.vpn.psk.length", "24", "The length of the ipsec preshared key", null),
RemoteAccessVpnPskLength("Network", AgentManager.class, Integer.class, "remote.access.vpn.psk.length", "24", "The length of the ipsec preshared key (minimum 8, maximum 256)", null),
RemoteAccessVpnClientIpRange("Network", AgentManager.class, String.class, "remote.access.vpn.client.iprange", "10.1.2.1-10.1.2.8", "The range of ips to be allocated to remote access vpn clients. The first ip in the range is used by the VPN server", null),

37
server/src/com/cloud/network/NetworkManagerImpl.java
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@ -1680,13 +1680,42 @@ public class NetworkManagerImpl implements NetworkManager, NetworkService, Manag
return null;
}
private void validateRemoteAccessVpnConfiguration() throws ConfigurationException {
String ipRange = _configs.get(Config.RemoteAccessVpnClientIpRange.key());
if (ipRange == null) {
s_logger.warn("Remote Access VPN configuration missing client ip range -- ignoring");
return;
}
Integer pskLength = getIntegerConfigValue(Config.RemoteAccessVpnPskLength.key());
if (pskLength != null && (pskLength < 8 || pskLength > 256)) {
throw new ConfigurationException("Remote Access VPN: IPSec preshared key length should be between 8 and 256");
} else if (pskLength == null) {
s_logger.warn("Remote Access VPN configuration missing Preshared Key Length -- ignoring");
return;
}
String [] range = ipRange.split("-");
if (range.length != 2) {
throw new ConfigurationException("Remote Access VPN: Invalid ip range " + ipRange);
}
if (!NetUtils.isValidIp(range[0]) || !NetUtils.isValidIp(range[1])){
throw new ConfigurationException("Remote Access VPN: Invalid ip in range specification " + ipRange);
}
if (!NetUtils.validIpRange(range[0], range[1])){
throw new ConfigurationException("Remote Access VPN: Invalid ip range " + ipRange);
}
String [] guestIpRange = getGuestIpRange();
if (NetUtils.ipRangesOverlap(range[0], range[1], guestIpRange[0], guestIpRange[1])) {
throw new ConfigurationException("Remote Access VPN: Invalid ip range: " + ipRange + " overlaps with guest ip range " + guestIpRange[0] + "-" + guestIpRange[1]);
}
}
@Override
public boolean configure(final String name, final Map<String, Object> params) throws ConfigurationException {
_name = name;
_configs = _configDao.getConfiguration("AgentManager", params);
validateRemoteAccessVpnConfiguration();
Integer rateMbps = getIntegerConfigValue(Config.NetworkThrottlingRate.key());
Integer multicastRateMbps = getIntegerConfigValue(Config.MulticastThrottlingRate.key());
@ -2728,10 +2757,10 @@ public class NetworkManagerImpl implements NetworkManager, NetworkService, Manag
throw new InvalidParameterValueException("Invalid ip range");
}
if (!NetUtils.isValidIp(range[0]) || !NetUtils.isValidIp(range[1])){
throw new InvalidParameterValueException("Invalid ip range " + ipRange);
throw new InvalidParameterValueException("Invalid ip in range specification " + ipRange);
}
if (!NetUtils.validIpRange(range[0], range[1])){
throw new InvalidParameterValueException("Invalid ip range");
throw new InvalidParameterValueException("Invalid ip range " + ipRange);
}
String [] guestIpRange = getGuestIpRange();
if (NetUtils.ipRangesOverlap(range[0], range[1], guestIpRange[0], guestIpRange[1])) {
@ -2742,7 +2771,7 @@ public class NetworkManagerImpl implements NetworkManager, NetworkService, Manag
long startIp = NetUtils.ip2Long(range[0]);
String newIpRange = NetUtils.long2Ip(++startIp) + "-" + range[1];
String sharedSecret = PasswordGenerator.generatePresharedKey(24); //TODO:configurable length
String sharedSecret = PasswordGenerator.generatePresharedKey(getIntegerConfigValue(Config.RemoteAccessVpnPskLength.key()));
Transaction txn = Transaction.currentTxn();
txn.start();
boolean locked = false;

2
setup/db/create-schema.sql
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@ -964,7 +964,7 @@ CREATE TABLE `cloud`.`remote_access_vpn` (
`vpn_server_addr` varchar(15) UNIQUE NOT NULL,
`local_ip` varchar(15) NOT NULL,
`ip_range` varchar(32) NOT NULL,
`ipsec_psk` varchar(255) NOT NULL,
`ipsec_psk` varchar(256) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

2
setup/db/schema-21to22.sql
View File

@ -32,7 +32,7 @@ CREATE TABLE `cloud`.`remote_access_vpn` (
`vpn_server_addr` varchar(15) UNIQUE NOT NULL,
`local_ip` varchar(15) NOT NULL,
`ip_range` varchar(32) NOT NULL,
`ipsec_psk` varchar(255) NOT NULL,
`ipsec_psk` varchar(256) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;