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[tor-commits] [tor/master] Prop 301: No longer vote on RecommendedPackages
commit 58cb98af32e8436eccf9536255b8158271f1c03d
Author: Iain R. Learmonth <irl@xxxxxxxx>
Date: Thu May 16 12:54:31 2019 +0100
Prop 301: No longer vote on RecommendedPackages
This is the first half of implementing proposal 301. The
RecommendedPackages torrc option is marked as obsolete and
the test cases for the option removed. Additionally, the code relating
to generating and formatting package lines in votes is removed.
These lines may still appear in votes from other directory authorities
running earlier versions of the code and so consensuses may still
contain package lines. A new consensus method will be needed to stop
including package lines in consensuses.
Fixes: #28465
---
changes/ticket29738 | 6 ++++++
doc/tor.1.txt | 6 ------
src/app/config/config.c | 9 +--------
src/app/config/or_options_st.h | 1 -
src/feature/dirauth/dirvote.c | 26 --------------------------
src/test/test_options.c | 24 ------------------------
6 files changed, 7 insertions(+), 65 deletions(-)
diff --git a/changes/ticket29738 b/changes/ticket29738
new file mode 100644
index 000000000..9217cc9a5
--- /dev/null
+++ b/changes/ticket29738
@@ -0,0 +1,6 @@
+ o Minor features (recommended packages):
+ - No longer include recommended packages in votes as detailed in proposal
+ 301. The RecommendedPackages torrc option is deprecated and will no
+ longer have any effect. "package" lines will still be considered when
+ computing consensuses for consensus methods that include them. Fixes
+ ticket 29738.
diff --git a/doc/tor.1.txt b/doc/tor.1.txt
index 4bd365c77..064259b15 100644
--- a/doc/tor.1.txt
+++ b/doc/tor.1.txt
@@ -2720,12 +2720,6 @@ on the public Tor network.
multiple times: the values from multiple lines are spliced together. When
this is set then **VersioningAuthoritativeDirectory** should be set too.
-[[RecommendedPackages]] **RecommendedPackages** __PACKAGENAME__ __VERSION__ __URL__ __DIGESTTYPE__**=**__DIGEST__ ::
- Adds "package" line to the directory authority's vote. This information
- is used to vote on the correct URL and digest for the released versions
- of different Tor-related packages, so that the consensus can certify
- them. This line may appear any number of times.
-
[[RecommendedClientVersions]] **RecommendedClientVersions** __STRING__::
STRING is a comma-separated list of Tor versions currently believed to be
safe for clients to use. This information is included in version 2
diff --git a/src/app/config/config.c b/src/app/config/config.c
index d03305627..4382a4472 100644
--- a/src/app/config/config.c
+++ b/src/app/config/config.c
@@ -593,7 +593,7 @@ static config_var_t option_vars_[] = {
V(RecommendedVersions, LINELIST, NULL),
V(RecommendedClientVersions, LINELIST, NULL),
V(RecommendedServerVersions, LINELIST, NULL),
- V(RecommendedPackages, LINELIST, NULL),
+ OBSOLETE("RecommendedPackages"),
V(ReducedConnectionPadding, BOOL, "0"),
V(ConnectionPadding, AUTOBOOL, "auto"),
V(RefuseUnknownExits, AUTOBOOL, "auto"),
@@ -3521,13 +3521,6 @@ options_validate(or_options_t *old_options, or_options_t *options,
"features to be broken in unpredictable ways.");
}
- for (cl = options->RecommendedPackages; cl; cl = cl->next) {
- if (! validate_recommended_package_line(cl->value)) {
- log_warn(LD_CONFIG, "Invalid RecommendedPackage line %s will be ignored",
- escaped(cl->value));
- }
- }
-
if (options->AuthoritativeDir) {
if (!options->ContactInfo && !options->TestingTorNetwork)
REJECT("Authoritative directory servers must set ContactInfo");
diff --git a/src/app/config/or_options_st.h b/src/app/config/or_options_st.h
index 4e03bec7f..7e79834f8 100644
--- a/src/app/config/or_options_st.h
+++ b/src/app/config/or_options_st.h
@@ -121,7 +121,6 @@ struct or_options_t {
struct config_line_t *RecommendedVersions;
struct config_line_t *RecommendedClientVersions;
struct config_line_t *RecommendedServerVersions;
- struct config_line_t *RecommendedPackages;
/** Whether dirservers allow router descriptors with private IPs. */
int DirAllowPrivateAddresses;
/** Whether routers accept EXTEND cells to routers with private IPs. */
diff --git a/src/feature/dirauth/dirvote.c b/src/feature/dirauth/dirvote.c
index b841ab240..0084fea1e 100644
--- a/src/feature/dirauth/dirvote.c
+++ b/src/feature/dirauth/dirvote.c
@@ -220,7 +220,6 @@ format_networkstatus_vote(crypto_pk_t *private_signing_key,
networkstatus_t *v3_ns)
{
smartlist_t *chunks = smartlist_new();
- char *packages = NULL;
char fingerprint[FINGERPRINT_LEN+1];
char digest[DIGEST_LEN];
uint32_t addr;
@@ -246,19 +245,6 @@ format_networkstatus_vote(crypto_pk_t *private_signing_key,
v3_ns->server_versions);
protocols_lines = format_protocols_lines_for_vote(v3_ns);
- if (v3_ns->package_lines) {
- smartlist_t *tmp = smartlist_new();
- SMARTLIST_FOREACH(v3_ns->package_lines, const char *, p,
- if (validate_recommended_package_line(p))
- smartlist_add_asprintf(tmp, "package %s\n", p));
- smartlist_sort_strings(tmp);
- packages = smartlist_join_strings(tmp, "", 0, NULL);
- SMARTLIST_FOREACH(tmp, char *, cp, tor_free(cp));
- smartlist_free(tmp);
- } else {
- packages = tor_strdup("");
- }
-
/* Get shared random commitments/reveals line(s). */
shared_random_vote_str = sr_get_string_for_vote();
@@ -344,7 +330,6 @@ format_networkstatus_vote(crypto_pk_t *private_signing_key,
"voting-delay %d %d\n"
"%s%s" /* versions */
"%s" /* protocols */
- "%s" /* packages */
"known-flags %s\n"
"flag-thresholds %s\n"
"params %s\n"
@@ -361,7 +346,6 @@ format_networkstatus_vote(crypto_pk_t *private_signing_key,
client_versions_line,
server_versions_line,
protocols_lines,
- packages,
flags,
flag_thresholds,
params,
@@ -461,7 +445,6 @@ format_networkstatus_vote(crypto_pk_t *private_signing_key,
tor_free(client_versions_line);
tor_free(server_versions_line);
tor_free(protocols_lines);
- tor_free(packages);
SMARTLIST_FOREACH(chunks, char *, cp, tor_free(cp));
smartlist_free(chunks);
@@ -4669,15 +4652,6 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_t *private_key,
tor_assert_nonfatal(protover_all_supported(
v3_out->recommended_client_protocols, NULL));
- v3_out->package_lines = smartlist_new();
- {
- config_line_t *cl;
- for (cl = get_options()->RecommendedPackages; cl; cl = cl->next) {
- if (validate_recommended_package_line(cl->value))
- smartlist_add_strdup(v3_out->package_lines, cl->value);
- }
- }
-
v3_out->known_flags = smartlist_new();
smartlist_split_string(v3_out->known_flags,
DIRVOTE_UNIVERSAL_FLAGS,
diff --git a/src/test/test_options.c b/src/test/test_options.c
index 396be6b18..d693fe056 100644
--- a/src/test/test_options.c
+++ b/src/test/test_options.c
@@ -1343,29 +1343,6 @@ test_options_validate__token_bucket(void *ignored)
}
static void
-test_options_validate__recommended_packages(void *ignored)
-{
- (void)ignored;
- int ret;
- char *msg;
- setup_capture_of_logs(LOG_WARN);
- options_test_data_t *tdata = get_options_test_data(
- "RecommendedPackages foo 1.2 http://foo.com sha1=123123123123\n"
- "RecommendedPackages invalid-package-line\n");
-
- ret = options_validate(tdata->old_opt, tdata->opt, tdata->def_opt, 0, &msg);
- tt_int_op(ret, OP_EQ, -1);
- expect_no_log_msg("Invalid RecommendedPackage line "
- "invalid-package-line will be ignored\n");
-
- done:
- escaped(NULL); // This will free the leaking memory from the previous escaped
- teardown_capture_of_logs();
- free_options_test_data(tdata);
- tor_free(msg);
-}
-
-static void
test_options_validate__fetch_dir(void *ignored)
{
(void)ignored;
@@ -4200,7 +4177,6 @@ struct testcase_t options_tests[] = {
LOCAL_VALIDATE_TEST(exclude_nodes),
LOCAL_VALIDATE_TEST(node_families),
LOCAL_VALIDATE_TEST(token_bucket),
- LOCAL_VALIDATE_TEST(recommended_packages),
LOCAL_VALIDATE_TEST(fetch_dir),
LOCAL_VALIDATE_TEST(conn_limit),
LOCAL_VALIDATE_TEST(paths_needed),
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