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Merge branch 'maint-0.3.2' into maint-0.3.3
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commit
c31700d664
4
changes/bug26485
Normal file
4
changes/bug26485
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@ -0,0 +1,4 @@
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o Minor bugfixes (directory authority):
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- When voting for recommended versions, make sure that all of the
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versions are well-formed and parsable. Fixes bug 26485; bugfix on
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0.1.1.6-alpha.
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@ -3472,6 +3472,14 @@ options_validate(or_options_t *old_options, or_options_t *options,
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!options->RecommendedServerVersions))
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REJECT("Versioning authoritative dir servers must set "
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"Recommended*Versions.");
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char *t;
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/* Call these functions to produce warnings only. */
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t = format_recommended_version_list(options->RecommendedClientVersions, 1);
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tor_free(t);
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t = format_recommended_version_list(options->RecommendedServerVersions, 1);
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tor_free(t);
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if (options->UseEntryGuards) {
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log_info(LD_CONFIG, "Authoritative directory servers can't set "
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"UseEntryGuards. Disabling.");
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@ -8399,4 +8407,3 @@ init_cookie_authentication(const char *fname, const char *header,
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tor_free(cookie_file_str);
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return retval;
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}
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@ -74,7 +74,6 @@
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static int routers_with_measured_bw = 0;
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static void directory_remove_invalid(void);
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static char *format_versions_list(config_line_t *ln);
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struct authdir_config_t;
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static uint32_t
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dirserv_get_status_impl(const char *fp, const char *nickname,
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@ -1061,8 +1060,8 @@ list_server_status_v1(smartlist_t *routers, char **router_status_out,
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* allocate and return a new string containing the version numbers, in order,
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* separated by commas. Used to generate Recommended(Client|Server)?Versions
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*/
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static char *
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format_versions_list(config_line_t *ln)
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char *
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format_recommended_version_list(const config_line_t *ln, int warn)
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{
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smartlist_t *versions;
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char *result;
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@ -1071,6 +1070,37 @@ format_versions_list(config_line_t *ln)
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smartlist_split_string(versions, ln->value, ",",
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SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0);
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}
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/* Handle the case where a dirauth operator has accidentally made some
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* versions space-separated instead of comma-separated. */
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smartlist_t *more_versions = smartlist_new();
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SMARTLIST_FOREACH_BEGIN(versions, char *, v) {
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if (strchr(v, ' ')) {
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if (warn)
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log_warn(LD_DIRSERV, "Unexpected space in versions list member %s. "
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"(These are supposed to be comma-separated; I'll pretend you "
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"used commas instead.)", escaped(v));
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SMARTLIST_DEL_CURRENT(versions, v);
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smartlist_split_string(more_versions, v, NULL,
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SPLIT_SKIP_SPACE|SPLIT_IGNORE_BLANK, 0);
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tor_free(v);
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}
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} SMARTLIST_FOREACH_END(v);
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smartlist_add_all(versions, more_versions);
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smartlist_free(more_versions);
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/* Check to make sure everything looks like a version. */
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if (warn) {
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SMARTLIST_FOREACH_BEGIN(versions, const char *, v) {
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tor_version_t ver;
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if (tor_version_parse(v, &ver) < 0) {
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log_warn(LD_DIRSERV, "Recommended version %s does not look valid. "
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" (I'll include it anyway, since you told me to.)",
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escaped(v));
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}
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} SMARTLIST_FOREACH_END(v);
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}
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sort_version_list(versions, 1);
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result = smartlist_join_strings(versions,",",0,NULL);
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SMARTLIST_FOREACH(versions,char *,s,tor_free(s));
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@ -2911,8 +2941,10 @@ dirserv_generate_networkstatus_vote_obj(crypto_pk_t *private_key,
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}
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if (options->VersioningAuthoritativeDir) {
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client_versions = format_versions_list(options->RecommendedClientVersions);
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server_versions = format_versions_list(options->RecommendedServerVersions);
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client_versions =
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format_recommended_version_list(options->RecommendedClientVersions, 0);
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server_versions =
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format_recommended_version_list(options->RecommendedServerVersions, 0);
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}
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contact = get_options()->ContactInfo;
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@ -4062,4 +4094,3 @@ dirserv_free_all(void)
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dirserv_clear_measured_bw_cache();
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}
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@ -155,7 +155,7 @@ char *routerstatus_format_entry(
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void dirserv_free_all(void);
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void cached_dir_decref(cached_dir_t *d);
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cached_dir_t *new_cached_dir(char *s, time_t published);
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char *format_recommended_version_list(const config_line_t *line, int warn);
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int validate_recommended_package_line(const char *line);
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#ifdef DIRSERV_PRIVATE
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@ -208,4 +208,3 @@ void dirserv_spool_sort(dir_connection_t *conn);
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void dir_conn_clear_spool(dir_connection_t *conn);
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#endif /* !defined(TOR_DIRSERV_H) */
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@ -707,6 +707,14 @@ compute_consensus_versions_list(smartlist_t *lst, int n_versioning)
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int min = n_versioning / 2;
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smartlist_t *good = smartlist_new();
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char *result;
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SMARTLIST_FOREACH_BEGIN(lst, const char *, v) {
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if (strchr(v, ' ')) {
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log_warn(LD_DIR, "At least one authority has voted for a version %s "
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"that contains a space. This probably wasn't intentional, and "
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"is likely to cause trouble. Please tell them to stop it.",
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escaped(v));
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}
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} SMARTLIST_FOREACH_END(v);
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sort_version_list(lst, 0);
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get_frequent_members(good, lst, min);
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result = smartlist_join_strings(good, ",", 0, NULL);
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@ -4077,4 +4085,3 @@ vote_routerstatus_find_microdesc_hash(char *digest256_out,
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}
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return -1;
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}
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@ -5853,6 +5853,57 @@ test_dir_networkstatus_consensus_has_ipv6(void *arg)
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UNMOCK(networkstatus_get_latest_consensus_by_flavor);
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}
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static void
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test_dir_format_versions_list(void *arg)
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{
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(void)arg;
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char *s = NULL;
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config_line_t *lines = NULL;
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setup_capture_of_logs(LOG_WARN);
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s = format_recommended_version_list(lines, 1);
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tt_str_op(s, OP_EQ, "");
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tor_free(s);
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config_line_append(&lines, "ignored", "0.3.4.1, 0.2.9.111-alpha, 4.4.4-rc");
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s = format_recommended_version_list(lines, 1);
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tt_str_op(s, OP_EQ, "0.2.9.111-alpha,0.3.4.1,4.4.4-rc");
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tor_free(s);
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config_line_append(&lines, "ignored", "0.1.2.3,0.2.9.10 ");
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s = format_recommended_version_list(lines, 1);
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tt_str_op(s, OP_EQ, "0.1.2.3,0.2.9.10,0.2.9.111-alpha,0.3.4.1,4.4.4-rc");
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/* There should be no warnings so far. */
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expect_no_log_entry();
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/* Now try a line with a space in it. */
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tor_free(s);
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config_line_append(&lines, "ignored", "1.3.3.8 1.3.3.7");
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s = format_recommended_version_list(lines, 1);
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tt_str_op(s, OP_EQ, "0.1.2.3,0.2.9.10,0.2.9.111-alpha,0.3.4.1,"
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"1.3.3.7,1.3.3.8,4.4.4-rc");
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expect_single_log_msg_containing(
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"Unexpected space in versions list member \"1.3.3.8 1.3.3.7\"." );
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/* Start over, with a line containing a bogus version */
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config_free_lines(lines);
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lines = NULL;
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tor_free(s);
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mock_clean_saved_logs();
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config_line_append(&lines, "ignored", "0.1.2.3, alpha-complex, 0.1.1.8-rc");
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s = format_recommended_version_list(lines,1);
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tt_str_op(s, OP_EQ, "0.1.1.8-rc,0.1.2.3,alpha-complex");
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expect_single_log_msg_containing(
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"Recommended version \"alpha-complex\" does not look valid.");
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done:
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tor_free(s);
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config_free_lines(lines);
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teardown_capture_of_logs();
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}
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#define DIR_LEGACY(name) \
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{ #name, test_dir_ ## name , TT_FORK, NULL, NULL }
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@ -5921,6 +5972,6 @@ struct testcase_t dir_tests[] = {
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DIR(networkstatus_compute_bw_weights_v10, 0),
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DIR(platform_str, 0),
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DIR(networkstatus_consensus_has_ipv6, TT_FORK),
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DIR(format_versions_list, TT_FORK),
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END_OF_TESTCASES
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};
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