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Merge branch 'real_ipv6_fix' into maint-0.2.1

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This commit is contained in:
Nick Mathewson 2011-03-06 13:42:05 -05:00
commit 4fa70e11ed
2 changed files with 11 additions and 2 deletions
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5
changes/ipv6_crash
View File

@ -1,3 +1,4 @@
o Major bugfixes (directory authority)
o Major bugfixes:
- Fix a crash in parsing router descriptors containing IPv6
addresses. Bugfix on 0.2.1.3-alpha.
addresses. This one crashed the directory authorities when somebody
fired up some experimental code. Bugfix on 0.2.1.3-alpha.

8
src/or/routerparse.c
View File

@ -222,6 +222,8 @@ typedef struct token_rule_t {
static token_rule_t routerdesc_token_table[] = {
T0N("reject", K_REJECT, ARGS, NO_OBJ ),
T0N("accept", K_ACCEPT, ARGS, NO_OBJ ),
T0N("reject6", K_REJECT6, ARGS, NO_OBJ ),
T0N("accept6", K_ACCEPT6, ARGS, NO_OBJ ),
T1_START( "router", K_ROUTER, GE(5), NO_OBJ ),
T1( "signing-key", K_SIGNING_KEY, NO_ARGS, NEED_KEY_1024 ),
T1( "onion-key", K_ONION_KEY, NO_ARGS, NEED_KEY_1024 ),
@ -1367,6 +1369,12 @@ router_parse_entry_from_string(const char *s, const char *end,
router->has_old_dnsworkers = 1;
}
if (find_opt_by_keyword(tokens, K_REJECT6) ||
find_opt_by_keyword(tokens, K_ACCEPT6)) {
log_warn(LD_DIR, "Rejecting router with reject6/accept6 line: they crash "
"older Tors.");
goto err;
}
exit_policy_tokens = find_all_exitpolicy(tokens);
if (!smartlist_len(exit_policy_tokens)) {
log_warn(LD_DIR, "No exit policy tokens in descriptor.");