mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-11-24 20:33:31 +01:00
Fix bug 230: add a rollback function to reverse all changes since the last mark_logs_temp(), and move log initialization into the two-phase part of option setting.
svn:r5803
This commit is contained in:
parent
856546925a
commit
099b9ce2f9
@ -438,6 +438,17 @@ close_temp_logs(void)
|
||||
}
|
||||
}
|
||||
|
||||
/** Make all currently temporary logs (set to be closed by close_temp_logs)
|
||||
* live again, and close all non-temporary logs. */
|
||||
void
|
||||
rollback_log_changes(void)
|
||||
{
|
||||
logfile_t *lf;
|
||||
for (lf = logfiles; lf; lf = lf->next)
|
||||
lf->is_temporary = ! lf->is_temporary;
|
||||
close_temp_logs();
|
||||
}
|
||||
|
||||
/** Configure all log handles to be closed by close_temp_logs */
|
||||
void
|
||||
mark_logs_temp(void)
|
||||
@ -590,3 +601,38 @@ suppress_libevent_log_msg(const char *msg)
|
||||
}
|
||||
#endif
|
||||
|
||||
#if 0
|
||||
static void
|
||||
dump_log_info(logfile_t *lf)
|
||||
{
|
||||
const char *tp;
|
||||
|
||||
if (lf->filename) {
|
||||
printf("=== log into \"%s\" (%s-%s) (%stemporary)\n", lf->filename,
|
||||
sev_to_string(lf->min_loglevel),
|
||||
sev_to_string(lf->max_loglevel),
|
||||
lf->is_temporary?"":"not ");
|
||||
} else if (lf->is_syslog) {
|
||||
printf("=== syslog (%s-%s) (%stemporary)\n",
|
||||
sev_to_string(lf->min_loglevel),
|
||||
sev_to_string(lf->max_loglevel),
|
||||
lf->is_temporary?"":"not ");
|
||||
} else {
|
||||
printf("=== log (%s-%s) (%stemporary)\n",
|
||||
sev_to_string(lf->min_loglevel),
|
||||
sev_to_string(lf->max_loglevel),
|
||||
lf->is_temporary?"":"not ");
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
describe_logs(void)
|
||||
{
|
||||
logfile_t *lf;
|
||||
printf("==== BEGIN LOGS ====\n");
|
||||
for (lf = logfiles; lf; lf = lf->next)
|
||||
dump_log_info(lf);
|
||||
printf("==== END LOGS ====\n");
|
||||
}
|
||||
#endif
|
||||
|
||||
|
@ -107,6 +107,7 @@ void switch_logs_debug(void);
|
||||
void close_logs(void);
|
||||
void add_temp_log(void);
|
||||
void close_temp_logs(void);
|
||||
void rollback_log_changes(void);
|
||||
void mark_logs_temp(void);
|
||||
void configure_libevent_logging(void);
|
||||
void suppress_libevent_log_msg(const char *msg);
|
||||
|
@ -519,6 +519,7 @@ options_act_reversible(or_options_t *old_options)
|
||||
int running_tor = options->command == CMD_RUN_TOR;
|
||||
int set_conn_limit = 0;
|
||||
int r = -1;
|
||||
int logs_marked = 0;
|
||||
|
||||
if (running_tor && options->RunAsDaemon) {
|
||||
/* No need to roll back, since you can't change the value. */
|
||||
@ -564,8 +565,18 @@ options_act_reversible(or_options_t *old_options)
|
||||
goto rollback;
|
||||
}
|
||||
|
||||
mark_logs_temp(); /* Close current logs once new logs are open. */
|
||||
logs_marked = 1;
|
||||
if (options_init_logs(options, 0)<0) /* Configure the log(s) */
|
||||
goto rollback;
|
||||
|
||||
commit:
|
||||
r = 0;
|
||||
if (logs_marked) {
|
||||
close_temp_logs();
|
||||
add_callback_log(LOG_ERR, LOG_ERR, control_event_logmsg);
|
||||
control_adjust_event_log_severity();
|
||||
}
|
||||
SMARTLIST_FOREACH(replaced_listeners, connection_t *, conn,
|
||||
{
|
||||
notice(LD_NET, "Closing old %s on %s:%d",
|
||||
@ -578,6 +589,11 @@ options_act_reversible(or_options_t *old_options)
|
||||
rollback:
|
||||
r = -1;
|
||||
|
||||
if (logs_marked) {
|
||||
rollback_log_changes();
|
||||
control_adjust_event_log_severity();
|
||||
}
|
||||
|
||||
if (set_conn_limit && old_options)
|
||||
set_max_file_descriptors((unsigned)old_options->ConnLimit,MAXCONNECTIONS);
|
||||
|
||||
@ -650,16 +666,6 @@ options_act(or_options_t *old_options)
|
||||
if (options->command != CMD_RUN_TOR)
|
||||
return 0;
|
||||
|
||||
mark_logs_temp(); /* Close current logs once new logs are open. */
|
||||
if (options_init_logs(options, 0)<0) /* Configure the log(s) */
|
||||
return -1;
|
||||
|
||||
/* Close the temporary log we used while starting up, if it isn't already
|
||||
* gone. */
|
||||
close_temp_logs();
|
||||
add_callback_log(LOG_ERR, LOG_ERR, control_event_logmsg);
|
||||
control_adjust_event_log_severity();
|
||||
|
||||
/* Load state */
|
||||
if (! global_state)
|
||||
if (or_state_load())
|
||||
@ -2722,9 +2728,11 @@ options_init_logs(or_options_t *options, int validate_only)
|
||||
config_line_t *opt;
|
||||
int ok;
|
||||
smartlist_t *elts;
|
||||
int daemon = options->RunAsDaemon;
|
||||
|
||||
ok = 1;
|
||||
elts = smartlist_create();
|
||||
|
||||
for (opt = options->Logs; opt; opt = opt->next) {
|
||||
int levelMin=LOG_DEBUG, levelMax=LOG_ERR;
|
||||
smartlist_split_string(elts, opt->value, NULL,
|
||||
@ -2738,8 +2746,13 @@ options_init_logs(or_options_t *options, int validate_only)
|
||||
ok = 0; goto cleanup;
|
||||
}
|
||||
if (smartlist_len(elts) < 2) { /* only loglevels were provided */
|
||||
if (!validate_only)
|
||||
if (!validate_only) {
|
||||
if (daemon) {
|
||||
warn(LD_CONFIG, "Can't log to stdout with RunAsDaemon set.");
|
||||
ok = 0; goto cleanup;
|
||||
}
|
||||
add_stream_log(levelMin, levelMax, "<stdout>", stdout);
|
||||
}
|
||||
goto cleanup;
|
||||
}
|
||||
if (!strcasecmp(smartlist_get(elts,1), "file")) {
|
||||
@ -2747,8 +2760,10 @@ options_init_logs(or_options_t *options, int validate_only)
|
||||
warn(LD_CONFIG, "Bad syntax on Log option 'Log %s'", opt->value);
|
||||
ok = 0; goto cleanup;
|
||||
}
|
||||
if (!validate_only)
|
||||
add_file_log(levelMin, levelMax, smartlist_get(elts, 2));
|
||||
if (!validate_only) {
|
||||
if (add_file_log(levelMin, levelMax, smartlist_get(elts, 2)) < 0)
|
||||
ok = 0;
|
||||
}
|
||||
goto cleanup;
|
||||
}
|
||||
if (smartlist_len(elts) != 2) {
|
||||
@ -2756,14 +2771,20 @@ options_init_logs(or_options_t *options, int validate_only)
|
||||
ok = 0; goto cleanup;
|
||||
}
|
||||
if (!strcasecmp(smartlist_get(elts,1), "stdout")) {
|
||||
if (daemon) {
|
||||
warn(LD_CONFIG, "Can't log to stdout with RunAsDaemon set.");
|
||||
ok = 0; goto cleanup;
|
||||
}
|
||||
if (!validate_only) {
|
||||
add_stream_log(levelMin, levelMax, "<stdout>", stdout);
|
||||
close_temp_logs();
|
||||
}
|
||||
} else if (!strcasecmp(smartlist_get(elts,1), "stderr")) {
|
||||
if (daemon) {
|
||||
warn(LD_CONFIG, "Can't log to stdout with RunAsDaemon set.");
|
||||
ok = 0; goto cleanup;
|
||||
}
|
||||
if (!validate_only) {
|
||||
add_stream_log(levelMin, levelMax, "<stderr>", stderr);
|
||||
close_temp_logs();
|
||||
}
|
||||
} else if (!strcasecmp(smartlist_get(elts,1), "syslog")) {
|
||||
#ifdef HAVE_SYSLOG_H
|
||||
@ -2787,8 +2808,6 @@ options_init_logs(or_options_t *options, int validate_only)
|
||||
smartlist_clear(elts);
|
||||
}
|
||||
smartlist_free(elts);
|
||||
if (!validate_only)
|
||||
close_temp_logs();
|
||||
|
||||
return ok?0:-1;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user