libceph: more insight into ticket expiry and invalidation
Make it clear that "need" is a union of "missing" and "have, but up
for renewal" and dout when the ticket goes missing due to expiry or
invalidation by client.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c
index b527323..512984d 100644
--- a/net/ceph/auth_x.c
+++ b/net/ceph/auth_x.c
@@ -22,12 +22,15 @@ static void ceph_x_validate_tickets(struct ceph_auth_client *ac, int *pneed);
static int ceph_x_is_authenticated(struct ceph_auth_client *ac)
{
struct ceph_x_info *xi = ac->private;
- int need;
+ int missing;
+ int need; /* missing + need renewal */
ceph_x_validate_tickets(ac, &need);
- dout("ceph_x_is_authenticated want=%d need=%d have=%d\n",
- ac->want_keys, need, xi->have_keys);
- return (ac->want_keys & xi->have_keys) == ac->want_keys;
+ missing = ac->want_keys & ~xi->have_keys;
+ WARN_ON((need & missing) != missing);
+ dout("%s want 0x%x have 0x%x missing 0x%x -> %d\n", __func__,
+ ac->want_keys, xi->have_keys, missing, !missing);
+ return !missing;
}
static int ceph_x_should_authenticate(struct ceph_auth_client *ac)
@@ -36,9 +39,9 @@ static int ceph_x_should_authenticate(struct ceph_auth_client *ac)
int need;
ceph_x_validate_tickets(ac, &need);
- dout("ceph_x_should_authenticate want=%d need=%d have=%d\n",
- ac->want_keys, need, xi->have_keys);
- return need != 0;
+ dout("%s want 0x%x have 0x%x need 0x%x -> %d\n", __func__,
+ ac->want_keys, xi->have_keys, need, !!need);
+ return !!need;
}
static int ceph_x_encrypt_offset(void)
@@ -379,6 +382,7 @@ static int ceph_x_build_authorizer(struct ceph_auth_client *ac,
}
}
au->service = th->service;
+ WARN_ON(!th->secret_id);
au->secret_id = th->secret_id;
msg_a = au->buf->vec.iov_base;
@@ -442,9 +446,10 @@ static bool need_key(struct ceph_x_ticket_handler *th)
static bool have_key(struct ceph_x_ticket_handler *th)
{
- if (th->have_key) {
- if (ktime_get_real_seconds() >= th->expires)
- th->have_key = false;
+ if (th->have_key && ktime_get_real_seconds() >= th->expires) {
+ dout("ticket %d (%s) secret_id %llu expired\n", th->service,
+ ceph_entity_type_name(th->service), th->secret_id);
+ th->have_key = false;
}
return th->have_key;
@@ -494,9 +499,8 @@ static int ceph_x_build_request(struct ceph_auth_client *ac,
return PTR_ERR(th);
ceph_x_validate_tickets(ac, &need);
-
- dout("build_request want %x have %x need %x\n",
- ac->want_keys, xi->have_keys, need);
+ dout("%s want 0x%x have 0x%x need 0x%x\n", __func__, ac->want_keys,
+ xi->have_keys, need);
if (need & CEPH_ENTITY_TYPE_AUTH) {
struct ceph_x_authenticate *auth = (void *)(head + 1);
@@ -785,8 +789,15 @@ static void invalidate_ticket(struct ceph_auth_client *ac, int peer_type)
struct ceph_x_ticket_handler *th;
th = get_ticket_handler(ac, peer_type);
- if (!IS_ERR(th))
+ if (IS_ERR(th))
+ return;
+
+ if (th->have_key) {
+ dout("ticket %d (%s) secret_id %llu invalidated\n",
+ th->service, ceph_entity_type_name(th->service),
+ th->secret_id);
th->have_key = false;
+ }
}
static void ceph_x_invalidate_authorizer(struct ceph_auth_client *ac,