#include "mon_client.h"
#include "super.h"
+#include "auth.h"
#include "decode.h"
/*
struct ceph_fsid fsid;
u32 epoch, num_mon;
u16 version;
+ u32 len;
+
+ ceph_decode_32_safe(&p, end, len, bad);
+ ceph_decode_need(&p, end, len, bad);
dout("monmap_decode %p %p len %d\n", p, end, (int)(end-p));
{
if (monc->con) {
dout("__close_session closing mon%d\n", monc->cur_mon);
+ ceph_con_revoke(monc->con, monc->m_auth);
ceph_con_close(monc->con);
monc->cur_mon = -1;
+ ceph_auth_reset(monc->auth);
}
}
static int __open_session(struct ceph_mon_client *monc)
{
char r;
+ int ret;
if (monc->cur_mon < 0) {
get_random_bytes(&r, 1);
monc->con->peer_name.num = cpu_to_le64(monc->cur_mon);
ceph_con_open(monc->con,
&monc->monmap->mon_inst[monc->cur_mon].addr);
+
+ /* initiatiate authentication handshake */
+ ret = ceph_auth_build_hello(monc->auth,
+ monc->m_auth->front.iov_base,
+ monc->m_auth->front_max);
+ monc->m_auth->front.iov_len = ret;
+ monc->m_auth->hdr.front_len = cpu_to_le32(ret);
+ ceph_msg_get(monc->m_auth); /* keep our ref */
+ ceph_con_send(monc->con, monc->m_auth);
} else {
dout("open_session mon%d already open\n", monc->cur_mon);
}
{
unsigned delay;
- if (monc->cur_mon < 0 || monc->want_mount || __sub_expired(monc))
+ if (monc->cur_mon < 0 || __sub_expired(monc))
delay = 10 * HZ;
else
delay = 20 * HZ;
struct ceph_mon_subscribe_item *i;
void *p, *end;
- msg = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 64, 0, 0, NULL);
+ msg = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 96, 0, 0, NULL);
if (!msg)
return;
if (monc->want_next_osdmap) {
dout("__send_subscribe to 'osdmap' %u\n",
(unsigned)monc->have_osdmap);
- ceph_encode_32(&p, 2);
+ ceph_encode_32(&p, 3);
ceph_encode_string(&p, end, "osdmap", 6);
i = p;
i->have = cpu_to_le64(monc->have_osdmap);
p += sizeof(*i);
monc->want_next_osdmap = 2; /* requested */
} else {
- ceph_encode_32(&p, 1);
+ ceph_encode_32(&p, 2);
}
ceph_encode_string(&p, end, "mdsmap", 6);
i = p;
i->have = cpu_to_le64(monc->have_mdsmap);
i->onetime = 0;
p += sizeof(*i);
+ ceph_encode_string(&p, end, "monmap", 6);
+ i = p;
+ i->have = 0;
+ i->onetime = 0;
+ p += sizeof(*i);
msg->front.iov_len = p - msg->front.iov_base;
msg->hdr.front_len = cpu_to_le32(msg->front.iov_len);
return;
bad:
pr_err("got corrupt subscribe-ack msg\n");
+ ceph_msg_dump(msg);
}
/*
mutex_unlock(&monc->mutex);
}
-
/*
- * mount
+ *
*/
-static void __request_mount(struct ceph_mon_client *monc)
-{
- struct ceph_msg *msg;
- struct ceph_client_mount *h;
- int err;
-
- dout("__request_mount\n");
- err = __open_session(monc);
- if (err)
- return;
- msg = ceph_msg_new(CEPH_MSG_CLIENT_MOUNT, sizeof(*h), 0, 0, NULL);
- if (IS_ERR(msg))
- return;
- h = msg->front.iov_base;
- h->monhdr.have_version = 0;
- h->monhdr.session_mon = cpu_to_le16(-1);
- h->monhdr.session_mon_tid = 0;
- ceph_con_send(monc->con, msg);
-}
-
-int ceph_monc_request_mount(struct ceph_mon_client *monc)
+int ceph_monc_open_session(struct ceph_mon_client *monc)
{
if (!monc->con) {
monc->con = kmalloc(sizeof(*monc->con), GFP_KERNEL);
}
mutex_lock(&monc->mutex);
- __request_mount(monc);
+ __open_session(monc);
__schedule_delayed(monc);
mutex_unlock(&monc->mutex);
return 0;
* The monitor responds with mount ack indicate mount success. The
* included client ticket allows the client to talk to MDSs and OSDs.
*/
-static void handle_mount_ack(struct ceph_mon_client *monc, struct ceph_msg *msg)
+static void ceph_monc_handle_map(struct ceph_mon_client *monc,
+ struct ceph_msg *msg)
{
struct ceph_client *client = monc->client;
struct ceph_monmap *monmap = NULL, *old = monc->monmap;
void *p, *end;
- s32 result;
- u32 len;
- s64 cnum;
- int err = -EINVAL;
-
- if (client->whoami >= 0) {
- dout("handle_mount_ack - already mounted\n");
- return;
- }
mutex_lock(&monc->mutex);
- dout("handle_mount_ack\n");
+ dout("handle_monmap\n");
p = msg->front.iov_base;
end = p + msg->front.iov_len;
- ceph_decode_64_safe(&p, end, cnum, bad);
- ceph_decode_32_safe(&p, end, result, bad);
- ceph_decode_32_safe(&p, end, len, bad);
- if (result) {
- pr_err("mount denied: %.*s (%d)\n", len, (char *)p,
- result);
- err = result;
- goto out;
- }
- p += len;
-
- ceph_decode_32_safe(&p, end, len, bad);
- ceph_decode_need(&p, end, len, bad);
- monmap = ceph_monmap_decode(p, p + len);
+ monmap = ceph_monmap_decode(p, end);
if (IS_ERR(monmap)) {
pr_err("problem decoding monmap, %d\n",
(int)PTR_ERR(monmap));
- err = -EINVAL;
goto out;
}
- p += len;
+
+ if (ceph_check_fsid(monc->client, &monmap->fsid) < 0) {
+ kfree(monmap);
+ goto out;
+ }
client->monc.monmap = monmap;
kfree(old);
- client->signed_ticket = NULL;
- client->signed_ticket_len = 0;
-
- monc->want_mount = false;
-
- client->whoami = cnum;
- client->msgr->inst.name.type = CEPH_ENTITY_TYPE_CLIENT;
- client->msgr->inst.name.num = cpu_to_le64(cnum);
- pr_info("client%lld fsid " FSID_FORMAT "\n",
- client->whoami, PR_FSID(&client->monc.monmap->fsid));
-
- ceph_debugfs_client_init(client);
- __send_subscribe(monc);
-
- err = 0;
- goto out;
-
-bad:
- pr_err("error decoding mount_ack message\n");
out:
- client->mount_err = err;
mutex_unlock(&monc->mutex);
wake_up(&client->mount_wq);
}
-
-
-
/*
* statfs
*/
if (msg->front.iov_len != sizeof(*reply))
goto bad;
- tid = le64_to_cpu(reply->tid);
+ tid = le64_to_cpu(msg->hdr.tid);
dout("handle_statfs_reply %p tid %llu\n", msg, tid);
mutex_lock(&monc->mutex);
bad:
pr_err("corrupt statfs reply, no tid\n");
+ ceph_msg_dump(msg);
}
/*
{
struct ceph_msg *msg;
struct ceph_mon_statfs *h;
- int err;
dout("send_statfs tid %llu\n", req->tid);
- err = __open_session(monc);
- if (err)
- return err;
msg = ceph_msg_new(CEPH_MSG_STATFS, sizeof(*h), 0, 0, NULL);
if (IS_ERR(msg))
return PTR_ERR(msg);
req->request = msg;
+ msg->hdr.tid = cpu_to_le64(req->tid);
h = msg->front.iov_base;
h->monhdr.have_version = 0;
h->monhdr.session_mon = cpu_to_le16(-1);
h->monhdr.session_mon_tid = 0;
h->fsid = monc->monmap->fsid;
- h->tid = cpu_to_le64(req->tid);
ceph_con_send(monc->con, msg);
return 0;
}
dout("monc delayed_work\n");
mutex_lock(&monc->mutex);
- if (monc->want_mount) {
- __request_mount(monc);
+ if (monc->hunting) {
+ __close_session(monc);
+ __open_session(monc); /* continue hunting */
} else {
- if (monc->hunting) {
- __close_session(monc);
- __open_session(monc); /* continue hunting */
- } else {
- ceph_con_keepalive(monc->con);
- }
+ ceph_con_keepalive(monc->con);
+ if (monc->auth->ops->is_authenticated(monc->auth))
+ __send_subscribe(monc);
}
- __send_subscribe(monc);
__schedule_delayed(monc);
mutex_unlock(&monc->mutex);
}
monc->monmap->mon_inst[i].name.num = cpu_to_le64(i);
}
monc->monmap->num_mon = num_mon;
+ monc->have_fsid = false;
/* release addr memory */
kfree(args->mon_addr);
monc->con = NULL;
+ /* authentication */
+ monc->auth = ceph_auth_init(cl->mount_args->name,
+ cl->mount_args->secret);
+ if (IS_ERR(monc->auth))
+ return PTR_ERR(monc->auth);
+ monc->auth->want_keys =
+ CEPH_ENTITY_TYPE_AUTH | CEPH_ENTITY_TYPE_MON |
+ CEPH_ENTITY_TYPE_OSD | CEPH_ENTITY_TYPE_MDS;
+
/* msg pools */
- err = ceph_msgpool_init(&monc->msgpool_mount_ack, 4096, 1, false);
- if (err < 0)
- goto out;
err = ceph_msgpool_init(&monc->msgpool_subscribe_ack,
sizeof(struct ceph_mon_subscribe_ack), 1, false);
if (err < 0)
- goto out;
+ goto out_monmap;
err = ceph_msgpool_init(&monc->msgpool_statfs_reply,
sizeof(struct ceph_mon_statfs_reply), 0, false);
if (err < 0)
- goto out;
+ goto out_pool1;
+ err = ceph_msgpool_init(&monc->msgpool_auth_reply, 4096, 1, false);
+ if (err < 0)
+ goto out_pool2;
+
+ monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, 0, 0, NULL);
+ if (IS_ERR(monc->m_auth)) {
+ err = PTR_ERR(monc->m_auth);
+ monc->m_auth = NULL;
+ goto out_pool3;
+ }
monc->cur_mon = -1;
- monc->hunting = false; /* not really */
+ monc->hunting = true;
monc->sub_renew_after = jiffies;
monc->sub_sent = 0;
monc->have_mdsmap = 0;
monc->have_osdmap = 0;
monc->want_next_osdmap = 1;
- monc->want_mount = true;
+ return 0;
+
+out_pool3:
+ ceph_msgpool_destroy(&monc->msgpool_auth_reply);
+out_pool2:
+ ceph_msgpool_destroy(&monc->msgpool_subscribe_ack);
+out_pool1:
+ ceph_msgpool_destroy(&monc->msgpool_statfs_reply);
+out_monmap:
+ kfree(monc->monmap);
out:
return err;
}
}
mutex_unlock(&monc->mutex);
- ceph_msgpool_destroy(&monc->msgpool_mount_ack);
+ ceph_auth_destroy(monc->auth);
+
+ ceph_msg_put(monc->m_auth);
ceph_msgpool_destroy(&monc->msgpool_subscribe_ack);
ceph_msgpool_destroy(&monc->msgpool_statfs_reply);
+ ceph_msgpool_destroy(&monc->msgpool_auth_reply);
kfree(monc->monmap);
}
+static void handle_auth_reply(struct ceph_mon_client *monc,
+ struct ceph_msg *msg)
+{
+ int ret;
+
+ mutex_lock(&monc->mutex);
+ 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_max);
+ if (ret < 0) {
+ monc->client->mount_err = ret;
+ wake_up(&monc->client->mount_wq);
+ } else if (ret > 0) {
+ monc->m_auth->front.iov_len = ret;
+ monc->m_auth->hdr.front_len = cpu_to_le32(ret);
+ ceph_msg_get(monc->m_auth); /* keep our ref */
+ ceph_con_send(monc->con, monc->m_auth);
+ } else if (monc->auth->ops->is_authenticated(monc->auth)) {
+ dout("authenticated, starting session\n");
+
+ monc->client->msgr->inst.name.type = CEPH_ENTITY_TYPE_CLIENT;
+ monc->client->msgr->inst.name.num = monc->auth->global_id;
+
+ __send_subscribe(monc);
+ __resend_statfs(monc);
+ }
+ mutex_unlock(&monc->mutex);
+}
+
/*
* handle incoming message
*/
return;
switch (type) {
- case CEPH_MSG_CLIENT_MOUNT_ACK:
- handle_mount_ack(monc, msg);
+ case CEPH_MSG_AUTH_REPLY:
+ handle_auth_reply(monc, msg);
break;
case CEPH_MSG_MON_SUBSCRIBE_ACK:
handle_statfs_reply(monc, msg);
break;
+ case CEPH_MSG_MON_MAP:
+ ceph_monc_handle_map(monc, msg);
+ break;
+
case CEPH_MSG_MDS_MAP:
ceph_mdsc_handle_map(&monc->client->mdsc, msg);
break;
int front = le32_to_cpu(hdr->front_len);
switch (type) {
- case CEPH_MSG_CLIENT_MOUNT_ACK:
- return ceph_msgpool_get(&monc->msgpool_mount_ack, front);
case CEPH_MSG_MON_SUBSCRIBE_ACK:
return ceph_msgpool_get(&monc->msgpool_subscribe_ack, front);
case CEPH_MSG_STATFS_REPLY:
return ceph_msgpool_get(&monc->msgpool_statfs_reply, front);
+ case CEPH_MSG_AUTH_REPLY:
+ return ceph_msgpool_get(&monc->msgpool_auth_reply, front);
}
return ceph_alloc_msg(con, hdr);
}
if (!monc->hunting) {
/* start hunting */
monc->hunting = true;
- if (__open_session(monc) == 0) {
- __send_subscribe(monc);
- __resend_statfs(monc);
- }
+ __open_session(monc);
} else {
/* already hunting, let's wait a bit */
__schedule_delayed(monc);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff