static void key_add_request(const whack_message_t *msg)
{
identification_t *key_id;
key_id = identification_create_from_string(msg->keyid);
if (!msg->whack_addkey)
{
delete_public_keys(key_id, msg->pubkey_alg, NULL, chunk_empty);
}
if (msg->keyval.len == 0)
{
struct key_add_common *oc = malloc_thing(struct key_add_common);
enum key_add_attempt kaa;
err_t ugh;
/* initialize state shared by queries */
oc->refCount = 0;
oc->whack_fd = dup_any(whack_log_fd);
oc->success = FALSE;
for (kaa = ka_TXT; kaa != ka_roof; kaa++)
{
struct key_add_continuation *kc;
oc->diag[kaa] = NULL;
oc->refCount++;
kc = malloc_thing(struct key_add_continuation);
kc->common = oc;
kc->lookingfor = kaa;
switch (kaa)
{
case ka_TXT:
ugh = start_adns_query(key_id
, key_id /* same */
, T_TXT
, key_add_continue
, &kc->ac);
break;
#ifdef USE_KEYRR
case ka_KEY:
ugh = start_adns_query(key_id
, NULL
, T_KEY
, key_add_continue
, &kc->ac);
break;
#endif /* USE_KEYRR */
default:
bad_case(kaa); /* suppress gcc warning */
}
if (ugh)
{
oc->diag[kaa] = clone_str(ugh);
oc->refCount--;
}
}
/* Done launching queries. Handle total failure case. */
key_add_merge(oc, key_id);
}
else
{
if (!add_public_key(key_id, DAL_LOCAL, msg->pubkey_alg, msg->keyval,
static void key_add_request(const struct whack_message *msg)
{
struct id keyid;
err_t ugh = atoid(msg->keyid, &keyid, FALSE, FALSE);
if (ugh != NULL) {
loglog(RC_BADID, "bad --keyid \"%s\": %s", msg->keyid, ugh);
} else {
if (!msg->whack_addkey)
delete_public_keys(&pluto_pubkeys, &keyid,
msg->pubkey_alg);
if (msg->keyval.len == 0) {
struct key_add_common *oc =
alloc_thing(struct key_add_common,
"key add common things");
enum key_add_attempt kaa;
/* initialize state shared by queries */
oc->refCount = 0;
oc->whack_fd = dup_any(whack_log_fd);
oc->success = FALSE;
for (kaa = ka_TXT; kaa != ka_roof; kaa++) {
struct key_add_continuation *kc =
alloc_thing(
struct key_add_continuation,
"key add continuation");
oc->diag[kaa] = NULL;
oc->refCount++;
kc->common = oc;
kc->lookingfor = kaa;
switch (kaa) {
case ka_TXT:
ugh = start_adns_query(&keyid,
&keyid, /* same */
ns_t_txt,
key_add_continue,
&kc->ac);
break;
#ifdef USE_KEYRR
case ka_KEY:
ugh = start_adns_query(&keyid,
NULL,
ns_t_key,
key_add_continue,
&kc->ac);
break;
#endif /* USE_KEYRR */
default:
bad_case(kaa); /* suppress gcc warning */
}
if (ugh != NULL) {
oc->diag[kaa] = clone_str(ugh,
"early key add failure");
oc->refCount--;
}
}
/* Done launching queries.
* Handle total failure case.
*/
key_add_merge(oc, &keyid);
} else {
ugh = add_public_key(&keyid, DAL_LOCAL,
msg->pubkey_alg,
&msg->keyval, &pluto_pubkeys);
if (ugh != NULL)
loglog(RC_LOG_SERIOUS, "%s", ugh);
}
}
/* Handle a kernel request. Supposedly, there's a message in
* the kernelsock socket.
*/
void
whack_handle(int whackctlfd)
{
struct whack_message msg;
struct sockaddr_un whackaddr;
int whackaddrlen = sizeof(whackaddr);
int whackfd = accept(whackctlfd, (struct sockaddr *)&whackaddr, &whackaddrlen);
ssize_t n;
if (whackfd < 0)
{
log_errno((e, "accept() failed in whack_handle()"));
return;
}
n = read(whackfd, &msg, sizeof(msg));
if (n == -1)
{
log_errno((e, "read() failed in whack_handle()"));
close(whackfd);
return;
}
whack_log_fd = whackfd;
/* sanity check message */
{
err_t ugh = NULL;
next_str = msg.string;
str_roof = (char *)&msg + n;
if (next_str > str_roof)
{
ugh = builddiag("truncated message from whack: got %d bytes; expected %d. Message ignored."
, n, (int) sizeof(msg));
}
else if (msg.magic != WHACK_MAGIC)
{
ugh = builddiag("message from whack has bad magic %d; should be %d; probably wrong version. Message ignored"
, msg.magic, WHACK_MAGIC);
}
else if (!unpack_str(&msg.name) /* string 1 */
|| !unpack_str(&msg.left.id) /* string 2 */
|| !unpack_str(&msg.left.cert) /* string 3 */
|| !unpack_str(&msg.left.updown) /* string 4 */
#ifdef VIRTUAL_IP
|| !unpack_str(&msg.left.virt)
#endif
|| !unpack_str(&msg.right.id) /* string 5 */
|| !unpack_str(&msg.right.cert) /* string 6 */
|| !unpack_str(&msg.right.updown) /* string 7 */
#ifdef VIRTUAL_IP
|| !unpack_str(&msg.right.virt)
#endif
|| !unpack_str(&msg.keyid) /* string 8 */
|| !unpack_str(&msg.ike) /* string 9 */
|| !unpack_str(&msg.esp) /* string 10 */
|| !unpack_str(&msg.dnshostname) /* string 11 */
|| str_roof - next_str != (ptrdiff_t)msg.keyval.len) /* check chunk */
{
ugh = "message from whack contains bad string";
}
else
{
msg.keyval.ptr = next_str; /* grab chunk */
}
if (ugh != NULL)
{
loglog(RC_BADWHACKMESSAGE, "%s", ugh);
whack_log_fd = NULL_FD;
close(whackfd);
return;
}
}
if (msg.whack_options)
{
#ifdef DEBUG
if (msg.name == NULL)
{
/* we do a two-step so that if either old or new would
* cause the message to print, it will be printed.
*/
cur_debugging |= msg.debugging;
DBG(DBG_CONTROL
, DBG_log("base debugging = %s"
, bitnamesof(debug_bit_names, msg.debugging)));
cur_debugging = base_debugging = msg.debugging;
}
else if (!msg.whack_connection)
{
struct connection *c = con_by_name(msg.name, TRUE);
if (c != NULL)
{
c->extra_debugging = msg.debugging;
DBG(DBG_CONTROL
, DBG_log("\"%s\" extra_debugging = %s"
, c->name
, bitnamesof(debug_bit_names, c->extra_debugging)));
}
}
#endif
}
/* Deleting combined with adding a connection works as replace.
* To make this more useful, in only this combination,
* delete will silently ignore the lack of the connection.
*/
if (msg.whack_delete)
{
struct connection *c = con_by_name(msg.name, !msg.whack_connection);
/* note: this is a "while" because road warrior
* leads to multiple connections with the same name.
*/
for (; c != NULL; c = con_by_name(msg.name, FALSE))
delete_connection(c);
}
if (msg.whack_deletestate)
{
struct state *st = state_with_serialno(msg.whack_deletestateno);
if (st == NULL)
{
loglog(RC_UNKNOWN_NAME, "no state #%lu to delete"
, msg.whack_deletestateno);
}
else
{
delete_state(st);
}
}
if (msg.whack_connection)
add_connection(&msg);
/* process "listen" before any operation that could require it */
if (msg.whack_listen)
{
log("listening for IKE messages");
listening = TRUE;
find_ifaces();
load_preshared_secrets();
}
if (msg.whack_unlisten)
{
log("no longer listening for IKE messages");
listening = FALSE;
}
if (msg.whack_reread & REREAD_SECRETS)
{
load_preshared_secrets();
}
if (msg.whack_reread & REREAD_MYCERT)
{
load_mycert();
}
if (msg.whack_reread & REREAD_CACERTS)
{
load_cacerts();
}
if (msg.whack_reread & REREAD_CRLS)
{
load_crls();
}
if (msg.whack_list & LIST_PUBKEYS)
{
list_public_keys(msg.whack_utc);
}
if (msg.whack_list & LIST_CERTS)
{
list_certs(msg.whack_utc);
}
if (msg.whack_list & LIST_CACERTS)
{
list_cacerts(msg.whack_utc);
}
if (msg.whack_list & LIST_CRLS)
{
list_crls(msg.whack_utc);
}
if (msg.whack_key)
{
/* add a public key */
struct id keyid;
err_t ugh = atoid(msg.keyid, &keyid);
if (ugh != NULL)
{
loglog(RC_BADID, "bad --keyid \"%s\": %s", msg.keyid, ugh);
}
else
{
if (!msg.whack_addkey)
delete_public_keys(&keyid, msg.pubkey_alg);
if (msg.keyval.len == 0)
{
struct key_add_continuation *kc
= alloc_thing(struct key_add_continuation
, "key add continuation");
int wfd = dup_any(whackfd);
kc->whack_fd = wfd;
ugh = start_adns_query(&keyid
, NULL
, T_KEY
, key_add_continue
, &kc->ac);
if (ugh != NULL)
{
key_add_ugh(&keyid, ugh);
close_any(wfd);
}
}
else
{
ugh = add_public_key(&keyid, DAL_LOCAL, msg.pubkey_alg
, &msg.keyval, &pubkeys);
if (ugh != NULL)
loglog(RC_LOG_SERIOUS, "%s", ugh);
}
}
}