linux/net/ceph/auth.c

// SPDX-License-Identifier: GPL-2.0
#include <linux/ceph/ceph_debug.h>

#include <linux/module.h>
#include <linux/err.h>
#include <linux/slab.h>

#include <linux/ceph/types.h>
#include <linux/ceph/decode.h>
#include <linux/ceph/libceph.h>
#include <linux/ceph/messenger.h>
#include "auth_none.h"
#include "auth_x.h"


/*
 * get protocol handler
 */
static u32 supported_protocols[] = …;

static int init_protocol(struct ceph_auth_client *ac, int proto)
{ … }

void ceph_auth_set_global_id(struct ceph_auth_client *ac, u64 global_id)
{ … }

/*
 * setup, teardown.
 */
struct ceph_auth_client *ceph_auth_init(const char *name,
					const struct ceph_crypto_key *key,
					const int *con_modes)
{ … }

void ceph_auth_destroy(struct ceph_auth_client *ac)
{ … }

/*
 * Reset occurs when reconnecting to the monitor.
 */
void ceph_auth_reset(struct ceph_auth_client *ac)
{ … }

/*
 * EntityName, not to be confused with entity_name_t
 */
int ceph_auth_entity_name_encode(const char *name, void **p, void *end)
{ … }

/*
 * 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)
{ … }

static int build_request(struct ceph_auth_client *ac, bool add_header,
			 void *buf, int buf_len)
{ … }

/*
 * 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)
{ … }

int ceph_build_auth(struct ceph_auth_client *ac,
		    void *msg_buf, size_t msg_len)
{ … }

int ceph_auth_is_authenticated(struct ceph_auth_client *ac)
{ … }
EXPORT_SYMBOL(…);

int __ceph_auth_get_authorizer(struct ceph_auth_client *ac,
			       struct ceph_auth_handshake *auth,
			       int peer_type, bool force_new,
			       int *proto, int *pref_mode, int *fallb_mode)
{ … }
EXPORT_SYMBOL(…);

void ceph_auth_destroy_authorizer(struct ceph_authorizer *a)
{ … }
EXPORT_SYMBOL(…);

int ceph_auth_add_authorizer_challenge(struct ceph_auth_client *ac,
				       struct ceph_authorizer *a,
				       void *challenge_buf,
				       int challenge_buf_len)
{ … }
EXPORT_SYMBOL(…);

int ceph_auth_verify_authorizer_reply(struct ceph_auth_client *ac,
				      struct ceph_authorizer *a,
				      void *reply, int reply_len,
				      u8 *session_key, int *session_key_len,
				      u8 *con_secret, int *con_secret_len)
{ … }
EXPORT_SYMBOL(…);

void ceph_auth_invalidate_authorizer(struct ceph_auth_client *ac, int peer_type)
{ … }
EXPORT_SYMBOL(…);

/*
 * msgr2 authentication
 */

static bool contains(const int *arr, int cnt, int val)
{ … }

static int encode_con_modes(void **p, void *end, int pref_mode, int fallb_mode)
{ … }

/*
 * Similar to ceph_auth_build_hello().
 */
int ceph_auth_get_request(struct ceph_auth_client *ac, void *buf, int buf_len)
{ … }

int ceph_auth_handle_reply_more(struct ceph_auth_client *ac, void *reply,
				int reply_len, void *buf, int buf_len)
{ … }

int ceph_auth_handle_reply_done(struct ceph_auth_client *ac,
				u64 global_id, void *reply, int reply_len,
				u8 *session_key, int *session_key_len,
				u8 *con_secret, int *con_secret_len)
{ … }

bool ceph_auth_handle_bad_method(struct ceph_auth_client *ac,
				 int used_proto, int result,
				 const int *allowed_protos, int proto_cnt,
				 const int *allowed_modes, int mode_cnt)
{ … }

int ceph_auth_get_authorizer(struct ceph_auth_client *ac,
			     struct ceph_auth_handshake *auth,
			     int peer_type, void *buf, int *buf_len)
{ … }
EXPORT_SYMBOL(…);

int ceph_auth_handle_svc_reply_more(struct ceph_auth_client *ac,
				    struct ceph_auth_handshake *auth,
				    void *reply, int reply_len,
				    void *buf, int *buf_len)
{ … }
EXPORT_SYMBOL(…);

int ceph_auth_handle_svc_reply_done(struct ceph_auth_client *ac,
				    struct ceph_auth_handshake *auth,
				    void *reply, int reply_len,
				    u8 *session_key, int *session_key_len,
				    u8 *con_secret, int *con_secret_len)
{ … }
EXPORT_SYMBOL(…);

bool ceph_auth_handle_bad_authorizer(struct ceph_auth_client *ac,
				     int peer_type, int used_proto, int result,
				     const int *allowed_protos, int proto_cnt,
				     const int *allowed_modes, int mode_cnt)
{ … }
EXPORT_SYMBOL(…);