1 files changed, 0 insertions, 259 deletions
diff --git a/fs/ceph/auth.c b/fs/ceph/auth.c
deleted file mode 100644
index 6d2e30600627..000000000000
--- a/fs/ceph/auth.c
+++ /dev/null
@@ -1,259 +0,0 @@
-#include "ceph_debug.h"
-
-#include <linux/module.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-
-#include "types.h"
-#include "auth_none.h"
-#include "auth_x.h"
-#include "decode.h"
-#include "super.h"
-
-#include "messenger.h"
-
-/*
- * get protocol handler
- */
-static u32 supported_protocols[] = {
-	CEPH_AUTH_NONE,
-	CEPH_AUTH_CEPHX
-};
-
-static int ceph_auth_init_protocol(struct ceph_auth_client *ac, int protocol)
-{
-	switch (protocol) {
-	case CEPH_AUTH_NONE:
-		return ceph_auth_none_init(ac);
-	case CEPH_AUTH_CEPHX:
-		return ceph_x_init(ac);
-	default:
-		return -ENOENT;
-	}
-}
-
-/*
- * setup, teardown.
- */
-struct ceph_auth_client *ceph_auth_init(const char *name, const char *secret)
-{
-	struct ceph_auth_client *ac;
-	int ret;
-
-	dout("auth_init name '%s' secret '%s'\n", name, secret);
-
-	ret = -ENOMEM;
-	ac = kzalloc(sizeof(*ac), GFP_NOFS);
-	if (!ac)
-		goto out;
-
-	ac->negotiating = true;
-	if (name)
-		ac->name = name;
-	else
-		ac->name = CEPH_AUTH_NAME_DEFAULT;
-	dout("auth_init name %s secret %s\n", ac->name, secret);
-	ac->secret = secret;
-	return ac;
-
-out:
-	return ERR_PTR(ret);
-}
-
-void ceph_auth_destroy(struct ceph_auth_client *ac)
-{
-	dout("auth_destroy %p\n", ac);
-	if (ac->ops)
-		ac->ops->destroy(ac);
-	kfree(ac);
-}
-
-/*
- * Reset occurs when reconnecting to the monitor.
- */
-void ceph_auth_reset(struct ceph_auth_client *ac)
-{
-	dout("auth_reset %p\n", ac);
-	if (ac->ops && !ac->negotiating)
-		ac->ops->reset(ac);
-	ac->negotiating = true;
-}
-
-int ceph_entity_name_encode(const char *name, void **p, void *end)
-{
-	int len = strlen(name);
-
-	if (*p + 2*sizeof(u32) + len > end)
-		return -ERANGE;
-	ceph_encode_32(p, CEPH_ENTITY_TYPE_CLIENT);
-	ceph_encode_32(p, len);
-	ceph_encode_copy(p, name, len);
-	return 0;
-}
-
-/*
- * Initiate protocol negotiation with monitor.  Include entity name
- * and list supported protocols.
- */
-int ceph_auth_build_hello(struct ceph_auth_client *ac, void *buf, size_t len)
-{
-	struct ceph_mon_request_header *monhdr = buf;
-	void *p = monhdr + 1, *end = buf + len, *lenp;
-	int i, num;
-	int ret;
-
-	dout("auth_build_hello\n");
-	monhdr->have_version = 0;
-	monhdr->session_mon = cpu_to_le16(-1);
-	monhdr->session_mon_tid = 0;
-
-	ceph_encode_32(&p, 0);  /* no protocol, yet */
-
-	lenp = p;
-	p += sizeof(u32);
-
-	ceph_decode_need(&p, end, 1 + sizeof(u32), bad);
-	ceph_encode_8(&p, 1);
-	num = ARRAY_SIZE(supported_protocols);
-	ceph_encode_32(&p, num);
-	ceph_decode_need(&p, end, num * sizeof(u32), bad);
-	for (i = 0; i < num; i++)
-		ceph_encode_32(&p, supported_protocols[i]);
-
-	ret = ceph_entity_name_encode(ac->name, &p, end);
-	if (ret < 0)
-		return ret;
-	ceph_decode_need(&p, end, sizeof(u64), bad);
-	ceph_encode_64(&p, ac->global_id);
-
-	ceph_encode_32(&lenp, p - lenp - sizeof(u32));
-	return p - buf;
-
-bad:
-	return -ERANGE;
-}
-
-static int ceph_build_auth_request(struct ceph_auth_client *ac,
-				   void *msg_buf, size_t msg_len)
-{
-	struct ceph_mon_request_header *monhdr = msg_buf;
-	void *p = monhdr + 1;
-	void *end = msg_buf + msg_len;
-	int ret;
-
-	monhdr->have_version = 0;
-	monhdr->session_mon = cpu_to_le16(-1);
-	monhdr->session_mon_tid = 0;
-
-	ceph_encode_32(&p, ac->protocol);
-
-	ret = ac->ops->build_request(ac, p + sizeof(u32), end);
-	if (ret < 0) {
-		pr_err("error %d building auth method %s request\n", ret,
-		       ac->ops->name);
-		return ret;
-	}
-	dout(" built request %d bytes\n", ret);
-	ceph_encode_32(&p, ret);
-	return p + ret - msg_buf;
-}
-
-/*
- * Handle auth message from monitor.
- */
-int ceph_handle_auth_reply(struct ceph_auth_client *ac,
-			   void *buf, size_t len,
-			   void *reply_buf, size_t reply_len)
-{
-	void *p = buf;
-	void *end = buf + len;
-	int protocol;
-	s32 result;
-	u64 global_id;
-	void *payload, *payload_end;
-	int payload_len;
-	char *result_msg;
-	int result_msg_len;
-	int ret = -EINVAL;
-
-	dout("handle_auth_reply %p %p\n", p, end);
-	ceph_decode_need(&p, end, sizeof(u32) * 3 + sizeof(u64), bad);
-	protocol = ceph_decode_32(&p);
-	result = ceph_decode_32(&p);
-	global_id = ceph_decode_64(&p);
-	payload_len = ceph_decode_32(&p);
-	payload = p;
-	p += payload_len;
-	ceph_decode_need(&p, end, sizeof(u32), bad);
-	result_msg_len = ceph_decode_32(&p);
-	result_msg = p;
-	p += result_msg_len;
-	if (p != end)
-		goto bad;
-
-	dout(" result %d '%.*s' gid %llu len %d\n", result, result_msg_len,
-	     result_msg, global_id, payload_len);
-
-	payload_end = payload + payload_len;
-
-	if (global_id && ac->global_id != global_id) {
-		dout(" set global_id %lld -> %lld\n", ac->global_id, global_id);
-		ac->global_id = global_id;
-	}
-
-	if (ac->negotiating) {
-		/* server does not support our protocols? */
-		if (!protocol && result < 0) {
-			ret = result;
-			goto out;
-		}
-		/* set up (new) protocol handler? */
-		if (ac->protocol && ac->protocol != protocol) {
-			ac->ops->destroy(ac);
-			ac->protocol = 0;
-			ac->ops = NULL;
-		}
-		if (ac->protocol != protocol) {
-			ret = ceph_auth_init_protocol(ac, protocol);
-			if (ret) {
-				pr_err("error %d on auth protocol %d init\n",
-				       ret, protocol);
-				goto out;
-			}
-		}
-
-		ac->negotiating = false;
-	}
-
-	ret = ac->ops->handle_reply(ac, result, payload, payload_end);
-	if (ret == -EAGAIN) {
-		return ceph_build_auth_request(ac, reply_buf, reply_len);
-	} else if (ret) {
-		pr_err("auth method '%s' error %d\n", ac->ops->name, ret);
-		return ret;
-	}
-	return 0;
-
-bad:
-	pr_err("failed to decode auth msg\n");
-out:
-	return ret;
-}
-
-int ceph_build_auth(struct ceph_auth_client *ac,
-		    void *msg_buf, size_t msg_len)
-{
-	if (!ac->protocol)
-		return ceph_auth_build_hello(ac, msg_buf, msg_len);
-	BUG_ON(!ac->ops);
-	if (ac->ops->should_authenticate(ac))
-		return ceph_build_auth_request(ac, msg_buf, msg_len);
-	return 0;
-}
-
-int ceph_auth_is_authenticated(struct ceph_auth_client *ac)
-{
-	if (!ac->ops)
-		return 0;
-	return ac->ops->is_authenticated(ac);
-}