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reverting to last known working version

This commit is contained in:
n8fr8 2012-09-30 21:59:29 +05:30
parent 7eae8d5ddb
commit 7e91c8eecb
1 changed files with 75 additions and 70 deletions
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145
src/org/torproject/android/service/TorTransProxy.java
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@ -224,15 +224,6 @@ public class TorTransProxy implements TorServiceConstants {
int torUid = context.getApplicationInfo().uid; int torUid = context.getApplicationInfo().uid;
// Allow everything for Tor
script.append(ipTablesPath);
script.append(" -t filter");
script.append(" -A OUTPUT");
script.append(" -m owner --uid-owner ");
script.append(torUid);
script.append(" -j ACCEPT");
script.append(" || exit\n");
//build up array of shell cmds to execute under one root context //build up array of shell cmds to execute under one root context
for (TorifiedApp tApp:apps) for (TorifiedApp tApp:apps)
{ {
@ -244,9 +235,9 @@ public class TorTransProxy implements TorServiceConstants {
{ {
TorService.logMessage("enabling transproxy for app: " + tApp.getUsername() + "(" + tApp.getUid() + ")"); TorService.logMessage("enabling transproxy for app: " + tApp.getUsername() + "(" + tApp.getUid() + ")");
// Set up port redirection // Set up port redirection
script.append(ipTablesPath); script.append(ipTablesPath);
script.append(" -t nat"); script.append(" -t nat");
script.append(" -A OUTPUT -p tcp"); script.append(" -A OUTPUT -p tcp");
script.append(" ! -d 127.0.0.1"); //allow access to localhost script.append(" ! -d 127.0.0.1"); //allow access to localhost
@ -260,28 +251,14 @@ public class TorTransProxy implements TorServiceConstants {
// Same for DNS // Same for DNS
script.append(ipTablesPath); script.append(ipTablesPath);
script.append(" -t nat"); script.append(" -t nat");
script.append(" -A OUTPUT -p udp"); script.append(" -A OUTPUT -p udp -m owner --uid-owner ");
script.append(" -m owner --uid-owner ");
script.append(tApp.getUid()); script.append(tApp.getUid());
script.append(" -m udp --dport "); script.append(" -m udp --dport ");
script.append(STANDARD_DNS_PORT); script.append(STANDARD_DNS_PORT);
script.append(" -j REDIRECT --to-ports "); script.append(" -j REDIRECT --to-ports ");
script.append(TOR_DNS_PORT); script.append(TOR_DNS_PORT);
script.append(" || exit\n"); script.append(" || exit\n");
// Allow loopback
script.append(ipTablesPath);
script.append(" -t filter");
script.append(" -A OUTPUT");
script.append(" -m owner --uid-owner ");
script.append(tApp.getUid());
script.append(" -o lo");
script.append(" -j ACCEPT");
script.append(" || exit\n");
/*
//Outgoing loopback already allowed (23/7/12)
int[] ports = {TOR_DNS_PORT,TOR_TRANSPROXY_PORT,PORT_SOCKS,PORT_HTTP}; int[] ports = {TOR_DNS_PORT,TOR_TRANSPROXY_PORT,PORT_SOCKS,PORT_HTTP};
for (int port : ports) for (int port : ports)
@ -299,8 +276,30 @@ public class TorTransProxy implements TorServiceConstants {
script.append(" -j ACCEPT"); script.append(" -j ACCEPT");
script.append(" || exit\n"); script.append(" || exit\n");
} }
*/
// Allow loopback
script.append(ipTablesPath);
script.append(" -t filter");
script.append(" -A OUTPUT");
script.append(" -m owner --uid-owner ");
script.append(tApp.getUid());
script.append(" -p tcp");
script.append(" -o lo");
script.append(" -j ACCEPT");
script.append(" || exit\n");
// Reject DNS that is not from Tor (order is important - first matched rule counts!)
script.append(ipTablesPath);
script.append(" -t filter");
script.append(" -A OUTPUT");
script.append(" -m owner --uid-owner ");
script.append(tApp.getUid());
script.append(" -p udp");
script.append(" --dport ");
script.append(STANDARD_DNS_PORT);
script.append(" -j REJECT");
script.append(" || exit\n");
// Reject all other outbound TCP packets // Reject all other outbound TCP packets
script.append(ipTablesPath); script.append(ipTablesPath);
script.append(" -t filter"); script.append(" -t filter");
@ -310,21 +309,20 @@ public class TorTransProxy implements TorServiceConstants {
script.append(" -p tcp"); script.append(" -p tcp");
script.append(" -j REJECT"); script.append(" -j REJECT");
script.append(" || exit\n"); script.append(" || exit\n");
// Reject all other outbound UDP packets
script.append(ipTablesPath);
script.append(" -t filter");
script.append(" -A OUTPUT");
script.append(" -m owner --uid-owner ");
script.append(tApp.getUid());
script.append(" -p udp");
script.append(" -j REJECT");
script.append(" || exit\n");
} }
} }
// Allow everything for Tor
script.append(ipTablesPath);
script.append(" -t filter");
script.append(" -A OUTPUT");
script.append(" -m owner --uid-owner ");
script.append(torUid);
script.append(" -j ACCEPT");
script.append(" || exit\n");
String[] cmdAdd = {script.toString()}; String[] cmdAdd = {script.toString()};
code = TorServiceUtils.doShellCommand(cmdAdd, res, runRoot, waitFor); code = TorServiceUtils.doShellCommand(cmdAdd, res, runRoot, waitFor);
@ -452,8 +450,8 @@ public class TorTransProxy implements TorServiceConstants {
int torUid = context.getApplicationInfo().uid; int torUid = context.getApplicationInfo().uid;
// Set up port redirection // Set up port redirection
script.append(ipTablesPath); script.append(ipTablesPath);
script.append(" -t nat"); script.append(" -t nat");
script.append(" -A OUTPUT -p tcp"); script.append(" -A OUTPUT -p tcp");
script.append(" ! -d 127.0.0.1"); //allow access to localhost script.append(" ! -d 127.0.0.1"); //allow access to localhost
@ -467,36 +465,14 @@ public class TorTransProxy implements TorServiceConstants {
// Same for DNS // Same for DNS
script.append(ipTablesPath); script.append(ipTablesPath);
script.append(" -t nat"); script.append(" -t nat");
script.append(" -A OUTPUT -p udp"); script.append(" -A OUTPUT -p udp -m owner ! --uid-owner ");
script.append(" -m owner ! --uid-owner ");
script.append(torUid); script.append(torUid);
script.append(" -m udp --dport "); script.append(" -m udp --dport ");
script.append(STANDARD_DNS_PORT); script.append(STANDARD_DNS_PORT);
script.append(" -j REDIRECT --to-ports "); script.append(" -j REDIRECT --to-ports ");
script.append(TOR_DNS_PORT); script.append(TOR_DNS_PORT);
script.append(" || exit\n"); script.append(" || exit\n");
// Allow loopback
script.append(ipTablesPath);
script.append(" -t filter");
script.append(" -A OUTPUT");
script.append(" -o lo");
script.append(" -j ACCEPT");
script.append(" || exit\n");
// Allow everything for Tor
script.append(ipTablesPath);
script.append(" -t filter");
script.append(" -A OUTPUT");
script.append(" -m owner --uid-owner ");
script.append(torUid);
script.append(" -j ACCEPT");
script.append(" || exit\n");
/*
//Outgoing loopback already allowed (23/7/12)
int[] ports = {TOR_DNS_PORT,TOR_TRANSPROXY_PORT,PORT_SOCKS,PORT_HTTP}; int[] ports = {TOR_DNS_PORT,TOR_TRANSPROXY_PORT,PORT_SOCKS,PORT_HTTP};
for (int port : ports) for (int port : ports)
@ -514,8 +490,25 @@ public class TorTransProxy implements TorServiceConstants {
script.append(" -j ACCEPT"); script.append(" -j ACCEPT");
script.append(" || exit\n"); script.append(" || exit\n");
} */ }
// Allow loopback
script.append(ipTablesPath);
script.append(" -t filter");
script.append(" -A OUTPUT");
script.append(" -p tcp");
script.append(" -o lo");
script.append(" -j ACCEPT");
script.append(" || exit\n");
// Allow everything for Tor
script.append(ipTablesPath);
script.append(" -t filter");
script.append(" -A OUTPUT");
script.append(" -m owner --uid-owner ");
script.append(torUid);
script.append(" -j ACCEPT");
script.append(" || exit\n");
if (TorService.ENABLE_DEBUG_LOG) if (TorService.ENABLE_DEBUG_LOG)
{ {
@ -539,11 +532,23 @@ public class TorTransProxy implements TorServiceConstants {
script.append(" --log-uid"); script.append(" --log-uid");
script.append(" || exit\n"); script.append(" || exit\n");
} }
// Reject all other outbound packets by default // Reject DNS that is not from Tor (order is important - first matched rule counts!)
script.append(ipTablesPath); script.append(ipTablesPath);
script.append(" -t filter"); script.append(" -t filter");
script.append(" -P OUTPUT DROP"); script.append(" -A OUTPUT");
script.append(" -p udp");
script.append(" --dport ");
script.append(STANDARD_DNS_PORT);
script.append(" -j REJECT");
script.append(" || exit\n");
// Reject all other outbound TCP packets
script.append(ipTablesPath);
script.append(" -t filter");
script.append(" -A OUTPUT");
script.append(" -p tcp");
script.append(" -j REJECT");
script.append(" || exit\n"); script.append(" || exit\n");
String[] cmdAdd = {script.toString()}; String[] cmdAdd = {script.toString()};