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vici list-conns sends reauthentication and rekeying time information

This commit is contained in:
Andreas Steffen 2016-05-03 17:33:43 +02:00
parent e88f21cf65
commit b1df631212
9 changed files with 114 additions and 23 deletions
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6
src/libcharon/config/child_cfg.c
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@ -428,10 +428,14 @@ static uint64_t apply_jitter(uint64_t rekey, uint64_t jitter)
#define APPLY_JITTER(l) l.rekey = apply_jitter(l.rekey, l.jitter)
METHOD(child_cfg_t, get_lifetime, lifetime_cfg_t*,
private_child_cfg_t *this)
private_child_cfg_t *this, bool jitter)
{
lifetime_cfg_t *lft = malloc_thing(lifetime_cfg_t);
memcpy(lft, &this->lifetime, sizeof(lifetime_cfg_t));
if (!jitter)
{
lft->time.jitter = lft->bytes.jitter = lft->packets.jitter = 0;
}
APPLY_JITTER(lft->time);
APPLY_JITTER(lft->bytes);
APPLY_JITTER(lft->packets);

3
src/libcharon/config/child_cfg.h
View File

@ -157,9 +157,10 @@ struct child_cfg_t {
* The rekey limits automatically contain a jitter to avoid simultaneous
* rekeying. These values will change with each call to this function.
*
* @param jitter subtract jitter value to randomize lifetimes
* @return lifetime_cfg_t (has to be freed)
*/
lifetime_cfg_t* (*get_lifetime) (child_cfg_t *this);
lifetime_cfg_t* (*get_lifetime) (child_cfg_t *this, bool jitter);
/**
* Get the mode to use for the CHILD_SA.

4
src/libcharon/config/peer_cfg.h
View File

@ -228,7 +228,7 @@ struct peer_cfg_t {
/**
* Get a time to start rekeying.
*
* @param jitter remove a jitter value to randomize time
* @param jitter subtract a jitter value to randomize time
* @return time in s when to start rekeying, 0 disables rekeying
*/
uint32_t (*get_rekey_time)(peer_cfg_t *this, bool jitter);
@ -236,7 +236,7 @@ struct peer_cfg_t {
/**
* Get a time to start reauthentication.
*
* @param jitter remove a jitter value to randomize time
* @param jitter subtract a jitter value to randomize time
* @return time in s when to start reauthentication, 0 disables it
*/
uint32_t (*get_reauth_time)(peer_cfg_t *this, bool jitter);

5
src/libcharon/plugins/vici/README.md
View File

@ -734,6 +734,8 @@ _list-conns_ command.
<list of valid remote IKE endpoint addresses>
]
version = <IKE version as string, IKEv1|IKEv2 or 0 for any>
reauth_time = <IKE_SA reauthentication interval in seconds>
rekey_time = <IKE_SA rekeying interval in seconds>
local*, remote* = { # multiple local and remote auth sections
class = <authentication type>
@ -758,6 +760,9 @@ _list-conns_ command.
children = {
<CHILD_SA config name>* = {
mode = <IPsec mode>
rekey_time = <CHILD_SA rekeying interval in seconds>
rekey_bytes = <CHILD_SA rekeying interval in bytes>
rekey_packets = <CHILD_SA rekeying interval in packets>
local-ts = [
<list of local traffic selectors>
]

31
src/libcharon/plugins/vici/vici_config.c
View File

@ -62,12 +62,22 @@
/**
* Default IKE rekey time
*/
#define LFT_DEFAULT_IKE_REKEY (4 * 60 * 60)
#define LFT_DEFAULT_IKE_REKEY_TIME (4 * 60 * 60)
/**
* Default CHILD rekey time
*/
#define LFT_DEFAULT_CHILD_REKEY (1 * 60 * 60)
#define LFT_DEFAULT_CHILD_REKEY_TIME (1 * 60 * 60)
/**
* Default CHILD rekey bytes
*/
#define LFT_DEFAULT_CHILD_REKEY_BYTES 0
/**
* Default CHILD rekey packets
*/
#define LFT_DEFAULT_CHILD_REKEY_PACKETS 0
/**
* Undefined replay window
@ -1443,15 +1453,6 @@ static void check_lifetimes(lifetime_cfg_t *lft)
{
lft->packets.life = lft->packets.rekey * 110 / 100;
}
/* if no soft lifetime specified, add one at hard lifetime - 10% */
if (lft->bytes.rekey == LFT_UNDEFINED)
{
lft->bytes.rekey = lft->bytes.life * 90 / 100;
}
if (lft->packets.rekey == LFT_UNDEFINED)
{
lft->packets.rekey = lft->packets.life * 90 / 100;
}
/* if no rand time defined, use difference of hard and soft */
if (lft->time.jitter == LFT_UNDEFINED)
{
@ -1485,17 +1486,17 @@ CALLBACK(children_sn, bool,
.mode = MODE_TUNNEL,
.lifetime = {
.time = {
.rekey = LFT_DEFAULT_CHILD_REKEY,
.rekey = LFT_DEFAULT_CHILD_REKEY_TIME,
.life = LFT_UNDEFINED,
.jitter = LFT_UNDEFINED,
},
.bytes = {
.rekey = LFT_UNDEFINED,
.rekey = LFT_DEFAULT_CHILD_REKEY_BYTES,
.life = LFT_UNDEFINED,
.jitter = LFT_UNDEFINED,
},
.packets = {
.rekey = LFT_UNDEFINED,
.rekey = LFT_DEFAULT_CHILD_REKEY_PACKETS,
.life = LFT_UNDEFINED,
.jitter = LFT_UNDEFINED,
},
@ -2044,7 +2045,7 @@ CALLBACK(config_sn, bool,
if (peer.rekey_time == LFT_UNDEFINED && peer.reauth_time == LFT_UNDEFINED)
{
/* apply a default rekey time if no rekey/reauth time set */
peer.rekey_time = LFT_DEFAULT_IKE_REKEY;
peer.rekey_time = LFT_DEFAULT_IKE_REKEY_TIME;
peer.reauth_time = 0;
}
if (peer.rekey_time == LFT_UNDEFINED)

11
src/libcharon/plugins/vici/vici_query.c
View File

@ -686,6 +686,7 @@ CALLBACK(list_conns, vici_message_t*,
uint32_t manual_prio;
linked_list_t *list;
traffic_selector_t *ts;
lifetime_cfg_t *lft;
vici_builder_t *b;
ike = request->get_str(request, NULL, "ike");
@ -726,6 +727,10 @@ CALLBACK(list_conns, vici_message_t*,
b->add_kv(b, "version", "%N", ike_version_names,
peer_cfg->get_ike_version(peer_cfg));
b->add_kv(b, "reauth_time", "%u",
peer_cfg->get_reauth_time(peer_cfg, FALSE));
b->add_kv(b, "rekey_time", "%u",
peer_cfg->get_rekey_time(peer_cfg, FALSE));
build_auth_cfgs(peer_cfg, TRUE, b);
build_auth_cfgs(peer_cfg, FALSE, b);
@ -740,6 +745,12 @@ CALLBACK(list_conns, vici_message_t*,
b->add_kv(b, "mode", "%N", ipsec_mode_names,
child_cfg->get_mode(child_cfg));
lft = child_cfg->get_lifetime(child_cfg, FALSE);
b->add_kv(b, "rekey_time", "%"PRIu64, lft->time.rekey);
b->add_kv(b, "rekey_bytes", "%"PRIu64, lft->bytes.rekey);
b->add_kv(b, "rekey_packets", "%"PRIu64, lft->packets.rekey);
free(lft);
b->begin_list(b, "local-ts");
list = child_cfg->get_traffic_selectors(child_cfg, TRUE, NULL, NULL);
selectors = list->create_enumerator(list);

2
src/libcharon/sa/child_sa.c
View File

@ -751,7 +751,7 @@ METHOD(child_sa_t, install, status_t,
this->reqid_allocated = TRUE;
}
lifetime = this->config->get_lifetime(this->config);
lifetime = this->config->get_lifetime(this->config, TRUE);
now = time_monotonic(NULL);
if (lifetime->time.rekey)

2
src/libcharon/sa/ikev1/tasks/quick_mode.c
View File

@ -722,7 +722,7 @@ static void get_lifetimes(private_quick_mode_t *this)
{
lifetime_cfg_t *lft;
lft = this->config->get_lifetime(this->config);
lft = this->config->get_lifetime(this->config, TRUE);
if (lft->time.life)
{
this->lifetime = lft->time.life;

73
src/swanctl/commands/list_conns.c
View File

@ -84,13 +84,47 @@ CALLBACK(children_sn, int,
{
hashtable_t *child;
char *interface, *priority;
char *rekey_time, *rekey_bytes, *rekey_packets;
bool no_time, no_bytes, no_packets, or = FALSE;
int ret;
child = hashtable_create(hashtable_hash_str, hashtable_equals_str, 1);
ret = vici_parse_cb(res, NULL, values, list, child);
if (ret == 0)
{
printf(" %s: %s\n", name, child->get(child, "mode"));
printf(" %s: %s, ", name, child->get(child, "mode"));
rekey_time = child->get(child, "rekey_time");
rekey_bytes = child->get(child, "rekey_bytes");
rekey_packets = child->get(child, "rekey_packets");
no_time = streq(rekey_time, "0");
no_bytes = streq(rekey_bytes, "0");
no_packets = streq(rekey_packets, "0");
if (no_time && no_bytes && no_packets)
{
printf("no rekeying\n");
}
else
{
printf("rekeying every");
if (!no_time)
{
printf(" %ss", rekey_time);
or = TRUE;
}
if (!no_bytes)
{
printf("%s %s bytes", or ? " or" : "", rekey_bytes);
or = TRUE;
}
if (!no_packets)
{
printf("%s %s packets", or ? " or" : "", rekey_packets);
}
printf("\n");
}
printf(" local: %s\n", child->get(child, "local-ts"));
printf(" remote: %s\n", child->get(child, "remote-ts"));
@ -189,8 +223,43 @@ CALLBACK(conn_list, int,
CALLBACK(conns, int,
void *null, vici_res_t *res, char *name)
{
printf("%s: %s\n", name, vici_find_str(res, "", "%s.version", name));
char *version, *reauth_time, *rekey_time;
version = vici_find_str(res, "", "%s.version", name);
reauth_time = vici_find_str(res, "", "%s.reauth_time", name);
rekey_time = vici_find_str(res, "", "%s.rekey_time", name);
printf("%s: %s, ", name, version);
if (streq(version, "IKEv1"))
{
if (streq(reauth_time, "0"))
{
reauth_time = rekey_time;
}
}
if (streq(reauth_time, "0"))
{
printf("no reauthentication");
}
else
{
printf("reauthentication every %ss", reauth_time);
}
if (streq(version, "IKEv1"))
{
printf("\n");
}
else
{
if (streq(rekey_time, "0"))
{
printf(", no rekeying\n");
}
else
{
printf(", rekeying every %ss\n", rekey_time);
}
}
return vici_parse_cb(res, conn_sn, NULL, conn_list, NULL);
}