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[tor-commits] [tor/master] Add code for letting user select Reduced Exit Policy
commit b70e11ef6b81503fe746077675aa0c5b7298f19f
Author: Neel Chauhan <neel@xxxxxxxxx>
Date: Tue Oct 10 11:45:35 2017 -0400
Add code for letting user select Reduced Exit Policy
---
src/or/config.c | 1 +
src/or/or.h | 1 +
src/or/policies.c | 38 +++++++++++++++++++++++++++++++++-----
src/or/policies.h | 3 ++-
4 files changed, 37 insertions(+), 6 deletions(-)
diff --git a/src/or/config.c b/src/or/config.c
index b9eb7f588..9013fb6d2 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -485,6 +485,7 @@ static config_var_t option_vars_[] = {
V(RendPostPeriod, INTERVAL, "1 hour"),
V(RephistTrackTime, INTERVAL, "24 hours"),
V(RunAsDaemon, BOOL, "0"),
+ V(ReducedExitPolicy, BOOL, "0"),
OBSOLETE("RunTesting"), // currently unused
V(Sandbox, BOOL, "0"),
V(SafeLogging, STRING, "1"),
diff --git a/src/or/or.h b/src/or/or.h
index d1746d9a6..c318c4754 100644
--- a/src/or/or.h
+++ b/src/or/or.h
@@ -3674,6 +3674,7 @@ typedef struct {
* interface addresses?
* Includes OutboundBindAddresses and
* configured ports. */
+ int ReducedExitPolicy; /**<Should we use the Reduced Exit Policy? */
config_line_t *SocksPolicy; /**< Lists of socks policy components */
config_line_t *DirPolicy; /**< Lists of dir policy components */
/** Local address to bind outbound sockets */
diff --git a/src/or/policies.c b/src/or/policies.c
index 78451db8f..3ff2b4aa3 100644
--- a/src/or/policies.c
+++ b/src/or/policies.c
@@ -81,7 +81,8 @@ static int policies_parse_exit_policy_internal(
const smartlist_t *configured_addresses,
int reject_interface_addresses,
int reject_configured_port_addresses,
- int add_default_policy);
+ int add_default_policy,
+ int add_reduced_policy);
/** Replace all "private" entries in *<b>policy</b> with their expanded
* equivalents. */
@@ -1877,6 +1878,24 @@ policies_log_first_redundant_entry(const smartlist_t *policy)
"reject *:563,reject *:1214,reject *:4661-4666," \
"reject *:6346-6429,reject *:6699,reject *:6881-6999,accept *:*"
+#define REDUCED_EXIT_POLICY \
+ "accept *:20-23,accept *:43,accept *:53,accept *:79-81,accept *:88," \
+ "accept *:110,accept *:143,accept *:194,accept *:220,accept *:389," \
+ "accept *:443,accept *:464,accept *:465,accept *:531,accept *:543-544," \
+ "accept *:554,accept *:563,accept *:587,accept *:636,accept *:706," \
+ "accept *:749,accept *:873,accept *:902-904,accept *:981,accept *:989-995," \
+ "accept *:1194,accept *:1220,accept *:1293,accept *:1500,accept *:1533," \
+ "accept *:1677,accept *:1723,accept *:1755,accept *:1863," \
+ "accept *:2082-2083,accept *:2086-2087,accept *:2095-2096," \
+ "accept *:2102-2104,accept *:3128,accept *:3389,accept *:3690," \
+ "accept *:4321,accept *:4643,accept *:5050,accept *:5190," \
+ "accept *:5222-5223,accept *:5228,accept *:5900,accept *:6660-6669," \
+ "accept *:6679,accept *:6697,accept *:8000,accept *:8008,accept *:8074," \
+ "accept *:8080,accept *:8082,accept *:8087-8088,accept *:8232-8233," \
+ "accept *:8332-8333,accept *:8443,accept *:8888,accept *:9418," \
+ "accept *:9999,accept *:10000,accept *:11371,accept *:19294," \
+ "accept *:19638,accept *:50002,accept *:64738,reject *:*"
+
/** Parse the exit policy <b>cfg</b> into the linked list *<b>dest</b>.
*
* If <b>ipv6_exit</b> is false, prepend "reject *6:*" to the policy.
@@ -1912,7 +1931,8 @@ policies_parse_exit_policy_internal(config_line_t *cfg,
const smartlist_t *configured_addresses,
int reject_interface_addresses,
int reject_configured_port_addresses,
- int add_default_policy)
+ int add_default_policy,
+ int add_reduced_policy)
{
if (!ipv6_exit) {
append_exit_policy_string(dest, "reject *6:*");
@@ -1938,7 +1958,9 @@ policies_parse_exit_policy_internal(config_line_t *cfg,
* effect, and are most likely an error. */
policies_log_first_redundant_entry(*dest);
- if (add_default_policy) {
+ if (add_reduced_policy) {
+ append_exit_policy_string(dest, REDUCED_EXIT_POLICY);
+ } else if (add_default_policy) {
append_exit_policy_string(dest, DEFAULT_EXIT_POLICY);
} else {
append_exit_policy_string(dest, "reject *4:*");
@@ -1979,13 +2001,15 @@ policies_parse_exit_policy(config_line_t *cfg, smartlist_t **dest,
int add_default = (options & EXIT_POLICY_ADD_DEFAULT) ? 1 : 0;
int reject_local_interfaces = (options &
EXIT_POLICY_REJECT_LOCAL_INTERFACES) ? 1 : 0;
+ int add_reduced = (options & EXIT_POLICY_ADD_REDUCED) ? 1 : 0;
return policies_parse_exit_policy_internal(cfg,dest,ipv6_enabled,
reject_private,
configured_addresses,
reject_local_interfaces,
reject_local_interfaces,
- add_default);
+ add_default,
+ add_reduced);
}
/** Helper function that adds a copy of addr to a smartlist as long as it is
@@ -2094,10 +2118,14 @@ policies_parse_exit_policy_from_options(const or_options_t *or_options,
parser_cfg |= EXIT_POLICY_REJECT_PRIVATE;
}
- if (!or_options->BridgeRelay) {
+ if (!or_options->BridgeRelay && !or_options->ReducedExitPolicy) {
parser_cfg |= EXIT_POLICY_ADD_DEFAULT;
}
+ if (or_options->ReducedExitPolicy) {
+ parser_cfg |= EXIT_POLICY_ADD_REDUCED;
+ }
+
if (or_options->ExitPolicyRejectLocalInterfaces) {
parser_cfg |= EXIT_POLICY_REJECT_LOCAL_INTERFACES;
}
diff --git a/src/or/policies.h b/src/or/policies.h
index 52ff4e2f9..cd97ee7f5 100644
--- a/src/or/policies.h
+++ b/src/or/policies.h
@@ -22,7 +22,8 @@
#define EXIT_POLICY_REJECT_PRIVATE (1 << 1)
#define EXIT_POLICY_ADD_DEFAULT (1 << 2)
#define EXIT_POLICY_REJECT_LOCAL_INTERFACES (1 << 3)
-#define EXIT_POLICY_OPTION_MAX EXIT_POLICY_REJECT_LOCAL_INTERFACES
+#define EXIT_POLICY_ADD_REDUCED (1 << 4)
+#define EXIT_POLICY_OPTION_MAX EXIT_POLICY_ADD_REDUCED
/* All options set: used for unit testing */
#define EXIT_POLICY_OPTION_ALL ((EXIT_POLICY_OPTION_MAX << 1) - 1)
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