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providers/rdns: add configuration interface for rDNS timeout

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This commit is contained in:
Elizabeth Myers 2016-03-26 15:36:12 -05:00
parent 3f2695ac86
commit 646e6567c7
2 changed files with 75 additions and 48 deletions
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2
authd/providers/blacklist.c
View file

@ -496,7 +496,7 @@ add_conf_blacklist_timeout(const char *key, int parc, const char **parv)
if(timeout < 0)
{
warn_opers(L_CRIT, "BUG: timeout < 0 (value: %d)", timeout);
warn_opers(L_CRIT, "BUG: blacklist timeout < 0 (value: %d)", timeout);
return;
}

121
authd/providers/rdns.c
View file

@ -57,50 +57,6 @@ static struct ev_entry *timeout_ev;
static EVH timeout_dns_queries_event;
static int rdns_timeout = 15;
bool client_dns_init(void)
{
timeout_ev = rb_event_addish("timeout_dns_queries_event", timeout_dns_queries_event, NULL, 1);
return (timeout_ev != NULL);
}
void client_dns_destroy(void)
{
struct auth_client *auth;
rb_dictionary_iter iter;
RB_DICTIONARY_FOREACH(auth, &iter, auth_clients)
{
if(auth->data[PROVIDER_RDNS] != NULL)
client_fail(auth, REPORT_FAIL);
}
rb_event_delete(timeout_ev);
}
bool client_dns_start(struct auth_client *auth)
{
struct user_query *query = rb_malloc(sizeof(struct user_query));
query->timeout = rb_current_time() + rdns_timeout;
auth->data[PROVIDER_RDNS] = query;
query->query = lookup_hostname(auth->c_ip, dns_answer_callback, auth);
notice_client(auth->cid, messages[REPORT_LOOKUP]);
set_provider_on(auth, PROVIDER_RDNS);
return true;
}
void client_dns_cancel(struct auth_client *auth)
{
struct user_query *query = auth->data[PROVIDER_RDNS];
if(query != NULL)
client_fail(auth, REPORT_FAIL);
}
static void
dns_answer_callback(const char *res, bool status, query_type type, void *data)
{
@ -119,7 +75,8 @@ dns_answer_callback(const char *res, bool status, query_type type, void *data)
}
/* Timeout outstanding queries */
static void timeout_dns_queries_event(void *notused)
static void
timeout_dns_queries_event(void *notused)
{
struct auth_client *auth;
rb_dictionary_iter iter;
@ -136,7 +93,8 @@ static void timeout_dns_queries_event(void *notused)
}
}
static void client_fail(struct auth_client *auth, dns_message report)
static void
client_fail(struct auth_client *auth, dns_message report)
{
struct user_query *query = auth->data[PROVIDER_RDNS];
@ -154,7 +112,8 @@ static void client_fail(struct auth_client *auth, dns_message report)
provider_done(auth, PROVIDER_RDNS);
}
static void client_success(struct auth_client *auth)
static void
client_success(struct auth_client *auth)
{
struct user_query *query = auth->data[PROVIDER_RDNS];
@ -167,6 +126,73 @@ static void client_success(struct auth_client *auth)
provider_done(auth, PROVIDER_RDNS);
}
static bool
client_dns_init(void)
{
timeout_ev = rb_event_addish("timeout_dns_queries_event", timeout_dns_queries_event, NULL, 1);
return (timeout_ev != NULL);
}
static void
client_dns_destroy(void)
{
struct auth_client *auth;
rb_dictionary_iter iter;
RB_DICTIONARY_FOREACH(auth, &iter, auth_clients)
{
if(auth->data[PROVIDER_RDNS] != NULL)
client_fail(auth, REPORT_FAIL);
}
rb_event_delete(timeout_ev);
}
static bool
client_dns_start(struct auth_client *auth)
{
struct user_query *query = rb_malloc(sizeof(struct user_query));
query->timeout = rb_current_time() + rdns_timeout;
auth->data[PROVIDER_RDNS] = query;
query->query = lookup_hostname(auth->c_ip, dns_answer_callback, auth);
notice_client(auth->cid, messages[REPORT_LOOKUP]);
set_provider_on(auth, PROVIDER_RDNS);
return true;
}
static void
client_dns_cancel(struct auth_client *auth)
{
struct user_query *query = auth->data[PROVIDER_RDNS];
if(query != NULL)
client_fail(auth, REPORT_FAIL);
}
static void
add_conf_dns_timeout(const char *key, int parc, const char **parv)
{
int timeout = atoi(parv[0]);
if(timeout < 0)
{
warn_opers(L_CRIT, "BUG: DNS timeout < 0 (value: %d)", timeout);
return;
}
rdns_timeout = timeout;
}
struct auth_opts_handler rdns_options[] =
{
{ "dns_timeout", 1, add_conf_dns_timeout },
{ NULL, 0, NULL },
};
struct auth_provider rdns_provider =
{
.id = PROVIDER_RDNS,
@ -175,4 +201,5 @@ struct auth_provider rdns_provider =
.start = client_dns_start,
.cancel = client_dns_cancel,
.completed = NULL,
.opt_handlers = rdns_options,
};