static int __validate_auth(struct ceph_mon_client *monc);
+static int decode_mon_info(void **p, void *end, bool msgr2,
+ struct ceph_entity_addr *addr)
+{
+ void *mon_info_end;
+ u32 struct_len;
+ u8 struct_v;
+ int ret;
+
+ ret = ceph_start_decoding(p, end, 1, "mon_info_t", &struct_v,
+ &struct_len);
+ if (ret)
+ return ret;
+
+ mon_info_end = *p + struct_len;
+ ceph_decode_skip_string(p, end, e_inval); /* skip mon name */
+ ret = ceph_decode_entity_addrvec(p, end, msgr2, addr);
+ if (ret)
+ return ret;
+
+ *p = mon_info_end;
+ return 0;
+
+e_inval:
+ return -EINVAL;
+}
+
/*
* Decode a monmap blob (e.g., during mount).
+ *
+ * Assume MonMap v3 (i.e. encoding with MONNAMES and MONENC).
*/
-static struct ceph_monmap *ceph_monmap_decode(void *p, void *end)
+static struct ceph_monmap *ceph_monmap_decode(void **p, void *end, bool msgr2)
{
- struct ceph_monmap *m = NULL;
- int i, err = -EINVAL;
+ struct ceph_monmap *monmap = NULL;
struct ceph_fsid fsid;
- u32 epoch, num_mon;
- u32 len;
+ u32 struct_len;
+ int blob_len;
+ int num_mon;
+ u8 struct_v;
+ u32 epoch;
+ int ret;
+ int i;
+
+ ceph_decode_32_safe(p, end, blob_len, e_inval);
+ ceph_decode_need(p, end, blob_len, e_inval);
- ceph_decode_32_safe(&p, end, len, bad);
- ceph_decode_need(&p, end, len, bad);
+ ret = ceph_start_decoding(p, end, 6, "monmap", &struct_v, &struct_len);
+ if (ret)
+ goto fail;
+
+ dout("%s struct_v %d\n", __func__, struct_v);
+ ceph_decode_copy_safe(p, end, &fsid, sizeof(fsid), e_inval);
+ ceph_decode_32_safe(p, end, epoch, e_inval);
+ if (struct_v >= 6) {
+ u32 feat_struct_len;
+ u8 feat_struct_v;
+
+ *p += sizeof(struct ceph_timespec); /* skip last_changed */
+ *p += sizeof(struct ceph_timespec); /* skip created */
- dout("monmap_decode %p %p len %d (%d)\n", p, end, len, (int)(end-p));
- p += sizeof(u16); /* skip version */
+ ret = ceph_start_decoding(p, end, 1, "mon_feature_t",
+ &feat_struct_v, &feat_struct_len);
+ if (ret)
+ goto fail;
- ceph_decode_need(&p, end, sizeof(fsid) + 2*sizeof(u32), bad);
- ceph_decode_copy(&p, &fsid, sizeof(fsid));
- epoch = ceph_decode_32(&p);
+ *p += feat_struct_len; /* skip persistent_features */
- num_mon = ceph_decode_32(&p);
+ ret = ceph_start_decoding(p, end, 1, "mon_feature_t",
+ &feat_struct_v, &feat_struct_len);
+ if (ret)
+ goto fail;
+
+ *p += feat_struct_len; /* skip optional_features */
+ }
+ ceph_decode_32_safe(p, end, num_mon, e_inval);
+ dout("%s fsid %pU epoch %u num_mon %d\n", __func__, &fsid, epoch,
+ num_mon);
if (num_mon > CEPH_MAX_MON)
- goto bad;
- m = kmalloc(struct_size(m, mon_inst, num_mon), GFP_NOFS);
- if (m == NULL)
- return ERR_PTR(-ENOMEM);
- m->fsid = fsid;
- m->epoch = epoch;
- m->num_mon = num_mon;
- for (i = 0; i < num_mon; ++i) {
- struct ceph_entity_inst *inst = &m->mon_inst[i];
-
- /* copy name portion */
- ceph_decode_copy_safe(&p, end, &inst->name,
- sizeof(inst->name), bad);
- err = ceph_decode_entity_addr(&p, end, &inst->addr);
- if (err)
- goto bad;
+ goto e_inval;
+
+ monmap = kmalloc(struct_size(monmap, mon_inst, num_mon), GFP_NOIO);
+ if (!monmap) {
+ ret = -ENOMEM;
+ goto fail;
}
- dout("monmap_decode epoch %d, num_mon %d\n", m->epoch,
- m->num_mon);
- for (i = 0; i < m->num_mon; i++)
- dout("monmap_decode mon%d is %s\n", i,
- ceph_pr_addr(&m->mon_inst[i].addr));
- return m;
-bad:
- dout("monmap_decode failed with %d\n", err);
- kfree(m);
- return ERR_PTR(err);
+ monmap->fsid = fsid;
+ monmap->epoch = epoch;
+ monmap->num_mon = num_mon;
+
+ /* legacy_mon_addr map or mon_info map */
+ for (i = 0; i < num_mon; i++) {
+ struct ceph_entity_inst *inst = &monmap->mon_inst[i];
+
+ ceph_decode_skip_string(p, end, e_inval); /* skip mon name */
+ inst->name.type = CEPH_ENTITY_TYPE_MON;
+ inst->name.num = cpu_to_le64(i);
+
+ if (struct_v >= 6)
+ ret = decode_mon_info(p, end, msgr2, &inst->addr);
+ else
+ ret = ceph_decode_entity_addr(p, end, &inst->addr);
+ if (ret)
+ goto fail;
+
+ dout("%s mon%d addr %s\n", __func__, i,
+ ceph_pr_addr(&inst->addr));
+ }
+
+ return monmap;
+
+e_inval:
+ ret = -EINVAL;
+fail:
+ kfree(monmap);
+ return ERR_PTR(ret);
}
/*
{
int i;
- for (i = 0; i < m->num_mon; i++)
- if (memcmp(addr, &m->mon_inst[i].addr, sizeof(*addr)) == 0)
+ for (i = 0; i < m->num_mon; i++) {
+ if (ceph_addr_equal_no_type(addr, &m->mon_inst[i].addr))
return 1;
+ }
+
return 0;
}
p = msg->front.iov_base;
end = p + msg->front.iov_len;
- monmap = ceph_monmap_decode(p, end);
+ monmap = ceph_monmap_decode(&p, end, false);
if (IS_ERR(monmap)) {
pr_err("problem decoding monmap, %d\n",
(int)PTR_ERR(monmap));
/* connection */
/* authentication */
- monc->auth = ceph_auth_init(cl->options->name,
- cl->options->key);
+ monc->auth = ceph_auth_init(cl->options->name, cl->options->key,
+ cl->options->con_modes);
if (IS_ERR(monc->auth)) {
err = PTR_ERR(monc->auth);
goto out_monmap;
}
}
-static void handle_auth_reply(struct ceph_mon_client *monc,
- struct ceph_msg *msg)
+static void finish_auth(struct ceph_mon_client *monc, int auth_err,
+ bool was_authed)
{
- int ret;
- int was_auth = 0;
+ dout("%s auth_err %d was_authed %d\n", __func__, auth_err, was_authed);
+ WARN_ON(auth_err > 0);
- mutex_lock(&monc->mutex);
- was_auth = ceph_auth_is_authenticated(monc->auth);
monc->pending_auth = 0;
- ret = ceph_handle_auth_reply(monc->auth, msg->front.iov_base,
- msg->front.iov_len,
- monc->m_auth->front.iov_base,
- monc->m_auth->front_alloc_len);
- if (ret > 0) {
- __send_prepared_auth_request(monc, ret);
- goto out;
+ if (auth_err) {
+ monc->client->auth_err = auth_err;
+ wake_up_all(&monc->client->auth_wq);
+ return;
}
- finish_hunting(monc);
-
- if (ret < 0) {
- monc->client->auth_err = ret;
- } else if (!was_auth && ceph_auth_is_authenticated(monc->auth)) {
- dout("authenticated, starting session\n");
+ if (!was_authed && ceph_auth_is_authenticated(monc->auth)) {
+ dout("%s authenticated, starting session global_id %llu\n",
+ __func__, monc->auth->global_id);
monc->client->msgr.inst.name.type = CEPH_ENTITY_TYPE_CLIENT;
monc->client->msgr.inst.name.num =
pr_info("mon%d %s session established\n", monc->cur_mon,
ceph_pr_addr(&monc->con.peer_addr));
}
+}
-out:
+static void handle_auth_reply(struct ceph_mon_client *monc,
+ struct ceph_msg *msg)
+{
+ bool was_authed;
+ int ret;
+
+ mutex_lock(&monc->mutex);
+ was_authed = ceph_auth_is_authenticated(monc->auth);
+ ret = ceph_handle_auth_reply(monc->auth, msg->front.iov_base,
+ msg->front.iov_len,
+ monc->m_auth->front.iov_base,
+ monc->m_auth->front_alloc_len);
+ if (ret > 0) {
+ __send_prepared_auth_request(monc, ret);
+ } else {
+ finish_auth(monc, ret, was_authed);
+ finish_hunting(monc);
+ }
mutex_unlock(&monc->mutex);
- if (monc->client->auth_err < 0)
- wake_up_all(&monc->client->auth_wq);
}
static int __validate_auth(struct ceph_mon_client *monc)
projects / linux-2.6-microblaze.git / blobdiff