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Fix #5584 - raise awareness of safer logging - warn about potentially unsafe config options

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This commit is contained in:
Marek Majkowski 2013-06-13 17:29:14 +01:00 committed by Nick Mathewson
parent 097f257078
commit 10480dff01
2 changed files with 19 additions and 0 deletions
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4
changes/bug5584 Normal file
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@ -0,0 +1,4 @@
o Minor features:
- Raise awareness of safer logging - notice user of potentially
unsafe configuration options: logging above "notice" or
clearning SafeLogging flag. Fixes #5584.

15
src/or/config.c
View File

@ -1005,6 +1005,7 @@ options_act_reversible(const or_options_t *old_options, char **msg)
int set_conn_limit = 0;
int r = -1;
int logs_marked = 0;
int old_min_log_level = get_min_log_level();
/* Daemonize _first_, since we only want to open most of this stuff in
* the subprocess. Libevent bases can't be reliably inherited across
@ -1153,6 +1154,13 @@ options_act_reversible(const or_options_t *old_options, char **msg)
control_adjust_event_log_severity();
tor_free(severity);
}
if (get_min_log_level() >= LOG_INFO &&
get_min_log_level() != old_min_log_level) {
log_warn(LD_GENERAL, "Your log may contain sensitive information - you're "
"logging above \"notice\". Please log safely. Don't log unless "
"it serves an important reason. Overwrite the log afterwards.");
}
SMARTLIST_FOREACH(replaced_listeners, connection_t *, conn,
{
log_notice(LD_NET, "Closing old %s on %s:%d",
@ -1335,6 +1343,13 @@ options_act(const or_options_t *old_options)
}
#endif
if (options->SafeLogging_ != SAFELOG_SCRUB_ALL &&
(!old_options || old_options->SafeLogging_ != options->SafeLogging_)) {
log_warn(LD_GENERAL, "Your log may contain sensitive information - you "
"disabled SafeLogging. Please log safely. Don't log unless it "
"serves an important reason. Overwrite the log afterwards.");
}
if (options->Bridges) {
mark_bridge_list();
for (cl = options->Bridges; cl; cl = cl->next) {