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openldap/libraries/libldap/ldap-int.h
Kurt Zeilenga acbb5cf689 Happy new year!
2006-01-03 23:11:52 +00:00

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/* ldap-int.h - defines & prototypes internal to the LDAP library */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2006 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* Portions Copyright (c) 1995 Regents of the University of Michigan.
* All rights reserved.
*/
#ifndef _LDAP_INT_H
#define _LDAP_INT_H 1
#ifdef LDAP_R_COMPILE
#define LDAP_THREAD_SAFE 1
#endif
#include "../liblber/lber-int.h"
#ifdef LDAP_R_COMPILE
#include <ldap_pvt_thread.h>
#endif
#ifdef HAVE_CYRUS_SASL
/* the need for this should be removed */
#ifdef HAVE_SASL_SASL_H
#include <sasl/sasl.h>
#else
#include <sasl.h>
#endif
#define SASL_MAX_BUFF_SIZE 65536
#define SASL_MIN_BUFF_SIZE 4096
#endif
#undef TV2MILLISEC
#define TV2MILLISEC(tv) (((tv)->tv_sec * 1000) + ((tv)->tv_usec/1000))
/*
* Support needed if the library is running in the kernel
*/
#if LDAP_INT_IN_KERNEL
/*
* Platform specific function to return a pointer to the
* process-specific global options.
*
* This function should perform the following functions:
* Allocate and initialize a global options struct on a per process basis
* Use callers process identifier to return its global options struct
* Note: Deallocate structure when the process exits
*/
# define LDAP_INT_GLOBAL_OPT() ldap_int_global_opt()
struct ldapoptions *ldap_int_global_opt(void);
#else
# define LDAP_INT_GLOBAL_OPT() (&ldap_int_global_options)
#endif
#define ldap_debug ((LDAP_INT_GLOBAL_OPT())->ldo_debug)
#include "ldap_log.h"
#undef Debug
#ifdef LDAP_DEBUG
#define Debug( level, fmt, arg1, arg2, arg3 ) \
do { if ( ldap_debug & level ) \
ldap_log_printf( NULL, (level), (fmt), (arg1), (arg2), (arg3) ); \
} while ( 0 )
#define LDAP_Debug( subsystem, level, fmt, arg1, arg2, arg3 )\
ldap_log_printf( NULL, (level), (fmt), (arg1), (arg2), (arg3) )
#else
#define Debug( level, fmt, arg1, arg2, arg3 ) ((void)0)
#define LDAP_Debug( subsystem, level, fmt, arg1, arg2, arg3 ) ((void)0)
#endif /* LDAP_DEBUG */
#define LDAP_DEPRECATED 1
#include "ldap.h"
#include "ldap_pvt.h"
LDAP_BEGIN_DECL
#define LDAP_URL_PREFIX "ldap://"
#define LDAP_URL_PREFIX_LEN (sizeof(LDAP_URL_PREFIX)-1)
#define LDAPS_URL_PREFIX "ldaps://"
#define LDAPS_URL_PREFIX_LEN (sizeof(LDAPS_URL_PREFIX)-1)
#define LDAPI_URL_PREFIX "ldapi://"
#define LDAPI_URL_PREFIX_LEN (sizeof(LDAPI_URL_PREFIX)-1)
#ifdef LDAP_CONNECTIONLESS
#define LDAPC_URL_PREFIX "cldap://"
#define LDAPC_URL_PREFIX_LEN (sizeof(LDAPC_URL_PREFIX)-1)
#endif
#define LDAP_URL_URLCOLON "URL:"
#define LDAP_URL_URLCOLON_LEN (sizeof(LDAP_URL_URLCOLON)-1)
#define LDAP_REF_STR "Referral:\n"
#define LDAP_REF_STR_LEN (sizeof(LDAP_REF_STR)-1)
#define LDAP_LDAP_REF_STR LDAP_URL_PREFIX
#define LDAP_LDAP_REF_STR_LEN LDAP_URL_PREFIX_LEN
#define LDAP_DEFAULT_REFHOPLIMIT 5
#define LDAP_BOOL_REFERRALS 0
#define LDAP_BOOL_RESTART 1
#define LDAP_BOOL_TLS 3
#define LDAP_BOOLEANS unsigned long
#define LDAP_BOOL(n) ((LDAP_BOOLEANS)1 << (n))
#define LDAP_BOOL_GET(lo, bool) \
((lo)->ldo_booleans & LDAP_BOOL(bool) ? -1 : 0)
#define LDAP_BOOL_SET(lo, bool) ((lo)->ldo_booleans |= LDAP_BOOL(bool))
#define LDAP_BOOL_CLR(lo, bool) ((lo)->ldo_booleans &= ~LDAP_BOOL(bool))
#define LDAP_BOOL_ZERO(lo) ((lo)->ldo_booleans = 0)
/*
* This structure represents both ldap messages and ldap responses.
* These are really the same, except in the case of search responses,
* where a response has multiple messages.
*/
struct ldapmsg {
ber_int_t lm_msgid; /* the message id */
ber_tag_t lm_msgtype; /* the message type */
BerElement *lm_ber; /* the ber encoded message contents */
struct ldapmsg *lm_chain; /* for search - next msg in the resp */
struct ldapmsg *lm_chain_tail;
struct ldapmsg *lm_next; /* next response */
time_t lm_time; /* used to maintain cache */
};
/*
* structure representing get/set'able options
* which have global defaults.
*/
struct ldapoptions {
short ldo_valid;
#define LDAP_UNINITIALIZED 0x0
#define LDAP_INITIALIZED 0x1
#define LDAP_VALID_SESSION 0x2
#define LDAP_TRASHED_SESSION 0xFF
int ldo_debug;
#ifdef LDAP_CONNECTIONLESS
#define LDAP_IS_UDP(ld) ((ld)->ld_options.ldo_is_udp)
void* ldo_peer; /* struct sockaddr* */
char* ldo_cldapdn;
int ldo_is_udp;
#endif
/* per API call timeout */
struct timeval *ldo_tm_api;
struct timeval *ldo_tm_net;
ber_int_t ldo_version;
ber_int_t ldo_deref;
ber_int_t ldo_timelimit;
ber_int_t ldo_sizelimit;
#ifdef HAVE_TLS
/* tls context */
void *ldo_tls_ctx;
int ldo_tls_mode;
LDAP_TLS_CONNECT_CB *ldo_tls_connect_cb;
void* ldo_tls_connect_arg;
#endif
LDAPURLDesc *ldo_defludp;
int ldo_defport;
char* ldo_defbase;
char* ldo_defbinddn; /* bind dn */
#ifdef HAVE_CYRUS_SASL
char* ldo_def_sasl_mech; /* SASL Mechanism(s) */
char* ldo_def_sasl_realm; /* SASL realm */
char* ldo_def_sasl_authcid; /* SASL authentication identity */
char* ldo_def_sasl_authzid; /* SASL authorization identity */
/* SASL Security Properties */
struct sasl_security_properties ldo_sasl_secprops;
#endif
int ldo_refhoplimit; /* limit on referral nesting */
/* LDAPv3 server and client controls */
LDAPControl **ldo_sctrls;
LDAPControl **ldo_cctrls;
/* LDAP rebind callback function */
LDAP_REBIND_PROC *ldo_rebind_proc;
void *ldo_rebind_params;
LDAP_NEXTREF_PROC *ldo_nextref_proc;
void *ldo_nextref_params;
LDAP_BOOLEANS ldo_booleans; /* boolean options */
};
/*
* structure for representing an LDAP server connection
*/
typedef struct ldap_conn {
Sockbuf *lconn_sb;
#ifdef HAVE_CYRUS_SASL
void *lconn_sasl_authctx; /* context for bind */
void *lconn_sasl_sockctx; /* for security layer */
#endif
int lconn_refcnt;
time_t lconn_lastused; /* time */
int lconn_rebind_inprogress; /* set if rebind in progress */
char ***lconn_rebind_queue; /* used if rebind in progress */
int lconn_status;
#define LDAP_CONNST_NEEDSOCKET 1
#define LDAP_CONNST_CONNECTING 2
#define LDAP_CONNST_CONNECTED 3
LDAPURLDesc *lconn_server;
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
char *lconn_krbinstance;
#endif
BerElement *lconn_ber; /* ber receiving on this conn. */
struct ldap_conn *lconn_next;
} LDAPConn;
/*
* structure used to track outstanding requests
*/
typedef struct ldapreq {
ber_int_t lr_msgid; /* the message id */
int lr_status; /* status of request */
#define LDAP_REQST_COMPLETED 0
#define LDAP_REQST_INPROGRESS 1
#define LDAP_REQST_CHASINGREFS 2
#define LDAP_REQST_NOTCONNECTED 3
#define LDAP_REQST_WRITING 4
int lr_outrefcnt; /* count of outstanding referrals */
ber_int_t lr_origid; /* original request's message id */
int lr_parentcnt; /* count of parent requests */
ber_tag_t lr_res_msgtype; /* result message type */
ber_int_t lr_res_errno; /* result LDAP errno */
char *lr_res_error; /* result error string */
char *lr_res_matched;/* result matched DN string */
BerElement *lr_ber; /* ber encoded request contents */
LDAPConn *lr_conn; /* connection used to send request */
struct berval lr_dn; /* DN of request, in lr_ber */
struct ldapreq *lr_parent; /* request that spawned this referral */
struct ldapreq *lr_child; /* first child request */
struct ldapreq *lr_refnext; /* next referral spawned */
struct ldapreq *lr_prev; /* previous request */
struct ldapreq *lr_next; /* next request */
} LDAPRequest;
/*
* structure for client cache
*/
#define LDAP_CACHE_BUCKETS 31 /* cache hash table size */
typedef struct ldapcache {
LDAPMessage *lc_buckets[LDAP_CACHE_BUCKETS];/* hash table */
LDAPMessage *lc_requests; /* unfulfilled reqs */
long lc_timeout; /* request timeout */
ber_len_t lc_maxmem; /* memory to use */
ber_len_t lc_memused; /* memory in use */
int lc_enabled; /* enabled? */
unsigned long lc_options; /* options */
#define LDAP_CACHE_OPT_CACHENOERRS 0x00000001
#define LDAP_CACHE_OPT_CACHEALLERRS 0x00000002
} LDAPCache;
/*
* structure containing referral request info for rebind procedure
*/
typedef struct ldapreqinfo {
ber_len_t ri_msgid;
int ri_request;
char *ri_url;
} LDAPreqinfo;
/*
* structure representing an ldap connection
*/
struct ldap {
Sockbuf *ld_sb; /* socket descriptor & buffer */
struct ldapoptions ld_options;
#define ld_valid ld_options.ldo_valid
#define ld_debug ld_options.ldo_debug
#define ld_deref ld_options.ldo_deref
#define ld_timelimit ld_options.ldo_timelimit
#define ld_sizelimit ld_options.ldo_sizelimit
#define ld_defbinddn ld_options.ldo_defbinddn
#define ld_defbase ld_options.ldo_defbase
#define ld_defhost ld_options.ldo_defhost
#define ld_defport ld_options.ldo_defport
#define ld_refhoplimit ld_options.ldo_refhoplimit
#define ld_sctrls ld_options.ldo_sctrls
#define ld_cctrls ld_options.ldo_cctrls
#define ld_rebind_proc ld_options.ldo_rebind_proc
#define ld_rebind_params ld_options.ldo_rebind_params
#define ld_nextref_proc ld_options.ldo_nextref_proc
#define ld_nextref_params ld_options.ldo_nextref_params
#define ld_version ld_options.ldo_version
unsigned short ld_lberoptions;
ber_int_t ld_errno;
char *ld_error;
char *ld_matched;
char **ld_referrals;
ber_len_t ld_msgid;
/* do not mess with these */
LDAPRequest *ld_requests; /* list of outstanding requests */
LDAPMessage *ld_responses; /* list of outstanding responses */
#ifdef LDAP_R_COMPILE
ldap_pvt_thread_mutex_t ld_conn_mutex;
ldap_pvt_thread_mutex_t ld_req_mutex;
ldap_pvt_thread_mutex_t ld_res_mutex;
#endif
ber_int_t *ld_abandoned; /* array of abandoned requests */
LDAPCache *ld_cache; /* non-null if cache is initialized */
/* do not mess with the rest though */
LDAPConn *ld_defconn; /* default connection */
LDAPConn *ld_conns; /* list of server connections */
void *ld_selectinfo; /* platform specifics for select */
};
#define LDAP_VALID(ld) ( (ld)->ld_valid == LDAP_VALID_SESSION )
#define LDAP_TRASHED(ld) ( (ld)->ld_valid == LDAP_TRASHED_SESSION )
#define LDAP_TRASH(ld) ( (ld)->ld_valid = LDAP_TRASHED_SESSION )
#ifdef LDAP_R_COMPILE
LDAP_V ( ldap_pvt_thread_mutex_t ) ldap_int_resolv_mutex;
#ifdef HAVE_CYRUS_SASL
LDAP_V( ldap_pvt_thread_mutex_t ) ldap_int_sasl_mutex;
#endif
#endif
#ifdef LDAP_R_COMPILE
#define LDAP_NEXT_MSGID(ld, id) \
ldap_pvt_thread_mutex_lock( &(ld)->ld_req_mutex ); \
id = ++(ld)->ld_msgid; \
ldap_pvt_thread_mutex_unlock( &(ld)->ld_req_mutex )
#else
#define LDAP_NEXT_MSGID(ld, id) id = ++(ld)->ld_msgid
#endif
/*
* in init.c
*/
LDAP_V ( struct ldapoptions ) ldap_int_global_options;
LDAP_F ( void ) ldap_int_initialize LDAP_P((struct ldapoptions *, int *));
LDAP_F ( void ) ldap_int_initialize_global_options LDAP_P((
struct ldapoptions *, int *));
/* memory.c */
/* simple macros to realloc for now */
#define LDAP_MALLOC(s) (ber_memalloc_x((s),NULL))
#define LDAP_CALLOC(n,s) (ber_memcalloc_x((n),(s),NULL))
#define LDAP_REALLOC(p,s) (ber_memrealloc_x((p),(s),NULL))
#define LDAP_FREE(p) (ber_memfree_x((p),NULL))
#define LDAP_VFREE(v) (ber_memvfree_x((void **)(v),NULL))
#define LDAP_STRDUP(s) (ber_strdup_x((s),NULL))
#define LDAP_STRNDUP(s,l) (ber_strndup_x((s),(l),NULL))
#define LDAP_MALLOCX(s,x) (ber_memalloc_x((s),(x)))
#define LDAP_CALLOCX(n,s,x) (ber_memcalloc_x((n),(s),(x)))
#define LDAP_REALLOCX(p,s,x) (ber_memrealloc_x((p),(s),(x)))
#define LDAP_FREEX(p,x) (ber_memfree_x((p),(x)))
#define LDAP_VFREEX(v,x) (ber_memvfree_x((void **)(v),(x)))
#define LDAP_STRDUPX(s,x) (ber_strdup_x((s),(x)))
#define LDAP_STRNDUPX(s,l,x) (ber_strndup_x((s),(l),(x)))
/*
* in error.c
*/
LDAP_F (void) ldap_int_error_init( void );
/*
* in unit-int.c
*/
LDAP_F (void) ldap_int_utils_init LDAP_P(( void ));
/*
* in print.c
*/
LDAP_F (int) ldap_log_printf LDAP_P((LDAP *ld, int level, const char *fmt, ...)) LDAP_GCCATTR((format(printf, 3, 4)));
/*
* in cache.c
*/
LDAP_F (void) ldap_add_request_to_cache LDAP_P(( LDAP *ld, ber_tag_t msgtype,
BerElement *request ));
LDAP_F (void) ldap_add_result_to_cache LDAP_P(( LDAP *ld, LDAPMessage *result ));
LDAP_F (int) ldap_check_cache LDAP_P(( LDAP *ld, ber_tag_t msgtype, BerElement *request ));
/*
* in controls.c
*/
LDAP_F (int) ldap_int_put_controls LDAP_P((
LDAP *ld,
LDAPControl *const *ctrls,
BerElement *ber ));
LDAP_F (int) ldap_int_client_controls LDAP_P((
LDAP *ld,
LDAPControl **ctrlp ));
/*
* in dsparse.c
*/
LDAP_F (int) ldap_int_next_line_tokens LDAP_P(( char **bufp, ber_len_t *blenp, char ***toksp ));
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
/*
* in kerberos.c
*/
LDAP_F (char *) ldap_get_kerberosv4_credentials LDAP_P((
LDAP *ld,
LDAP_CONST char *who,
LDAP_CONST char *service,
ber_len_t *len ));
#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND */
/*
* in open.c
*/
LDAP_F (int) ldap_open_defconn( LDAP *ld );
LDAP_F (int) ldap_int_open_connection( LDAP *ld,
LDAPConn *conn, LDAPURLDesc *srvlist, int async );
/*
* in os-ip.c
*/
#ifndef HAVE_POLL
LDAP_V (int) ldap_int_tblsize;
LDAP_F (void) ldap_int_ip_init( void );
#endif
LDAP_F (int) ldap_int_timeval_dup( struct timeval **dest,
const struct timeval *tm );
LDAP_F (int) ldap_connect_to_host( LDAP *ld, Sockbuf *sb,
int proto, const char *host, int port, int async );
#if defined(LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND) || \
defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
LDAP_V (char *) ldap_int_hostname;
LDAP_F (char *) ldap_host_connected_to( Sockbuf *sb,
const char *host );
#endif
LDAP_F (int) ldap_int_select( LDAP *ld, struct timeval *timeout );
LDAP_F (void *) ldap_new_select_info( void );
LDAP_F (void) ldap_free_select_info( void *sip );
LDAP_F (void) ldap_mark_select_write( LDAP *ld, Sockbuf *sb );
LDAP_F (void) ldap_mark_select_read( LDAP *ld, Sockbuf *sb );
LDAP_F (void) ldap_mark_select_clear( LDAP *ld, Sockbuf *sb );
LDAP_F (int) ldap_is_read_ready( LDAP *ld, Sockbuf *sb );
LDAP_F (int) ldap_is_write_ready( LDAP *ld, Sockbuf *sb );
/*
* in os-local.c
*/
#ifdef LDAP_PF_LOCAL
LDAP_F (int) ldap_connect_to_path( LDAP *ld, Sockbuf *sb,
const char *path, int async );
#endif /* LDAP_PF_LOCAL */
/*
* in request.c
*/
LDAP_F (ber_int_t) ldap_send_initial_request( LDAP *ld, ber_tag_t msgtype,
const char *dn, BerElement *ber, ber_int_t msgid );
LDAP_F (BerElement *) ldap_alloc_ber_with_options( LDAP *ld );
LDAP_F (void) ldap_set_ber_options( LDAP *ld, BerElement *ber );
LDAP_F (int) ldap_send_server_request( LDAP *ld, BerElement *ber, ber_int_t msgid, LDAPRequest *parentreq, LDAPURLDesc *srvlist, LDAPConn *lc, LDAPreqinfo *bind );
LDAP_F (LDAPConn *) ldap_new_connection( LDAP *ld, LDAPURLDesc *srvlist, int use_ldsb, int connect, LDAPreqinfo *bind );
LDAP_F (LDAPRequest *) ldap_find_request_by_msgid( LDAP *ld, ber_int_t msgid );
LDAP_F (void) ldap_free_request( LDAP *ld, LDAPRequest *lr );
LDAP_F (void) ldap_free_connection( LDAP *ld, LDAPConn *lc, int force, int unbind );
LDAP_F (void) ldap_dump_connection( LDAP *ld, LDAPConn *lconns, int all );
LDAP_F (void) ldap_dump_requests_and_responses( LDAP *ld );
LDAP_F (int) ldap_chase_referrals( LDAP *ld, LDAPRequest *lr,
char **errstrp, int sref, int *hadrefp );
LDAP_F (int) ldap_chase_v3referrals( LDAP *ld, LDAPRequest *lr,
char **refs, int sref, char **referralsp, int *hadrefp );
LDAP_F (int) ldap_append_referral( LDAP *ld, char **referralsp, char *s );
LDAP_F (int) ldap_int_flush_request( LDAP *ld, LDAPRequest *lr );
/*
* in result.c:
*/
LDAP_F (char *) ldap_int_msgtype2str( ber_tag_t tag );
/*
* in search.c
*/
LDAP_F (BerElement *) ldap_build_search_req LDAP_P((
LDAP *ld,
const char *base,
ber_int_t scope,
const char *filter,
char **attrs,
ber_int_t attrsonly,
LDAPControl **sctrls,
LDAPControl **cctrls,
ber_int_t timelimit,
ber_int_t sizelimit,
ber_int_t *msgidp));
/*
* in unbind.c
*/
LDAP_F (int) ldap_ld_free LDAP_P((
LDAP *ld,
int close,
LDAPControl **sctrls,
LDAPControl **cctrls ));
LDAP_F (int) ldap_send_unbind LDAP_P((
LDAP *ld,
Sockbuf *sb,
LDAPControl **sctrls,
LDAPControl **cctrls ));
/*
* in url.c
*/
LDAP_F (LDAPURLDesc *) ldap_url_dup LDAP_P((
LDAPURLDesc *ludp ));
LDAP_F (LDAPURLDesc *) ldap_url_duplist LDAP_P((
LDAPURLDesc *ludlist ));
LDAP_F (int) ldap_url_parselist LDAP_P((
LDAPURLDesc **ludlist,
const char *url ));
LDAP_F (int) ldap_url_parselist_ext LDAP_P((
LDAPURLDesc **ludlist,
const char *url,
const char *sep ));
LDAP_F (int) ldap_url_parsehosts LDAP_P((
LDAPURLDesc **ludlist,
const char *hosts,
int port ));
LDAP_F (char *) ldap_url_list2hosts LDAP_P((
LDAPURLDesc *ludlist ));
LDAP_F (char *) ldap_url_list2urls LDAP_P((
LDAPURLDesc *ludlist ));
LDAP_F (void) ldap_free_urllist LDAP_P((
LDAPURLDesc *ludlist ));
/*
* in cyrus.c
*/
LDAP_F (int) ldap_int_sasl_init LDAP_P(( void ));
LDAP_F (int) ldap_int_sasl_open LDAP_P((
LDAP *ld, LDAPConn *conn,
const char* host ));
LDAP_F (int) ldap_int_sasl_close LDAP_P(( LDAP *ld, LDAPConn *conn ));
LDAP_F (int) ldap_int_sasl_external LDAP_P((
LDAP *ld, LDAPConn *conn,
const char* authid, ber_len_t ssf ));
LDAP_F (int) ldap_int_sasl_get_option LDAP_P(( LDAP *ld,
int option, void *arg ));
LDAP_F (int) ldap_int_sasl_set_option LDAP_P(( LDAP *ld,
int option, void *arg ));
LDAP_F (int) ldap_int_sasl_config LDAP_P(( struct ldapoptions *lo,
int option, const char *arg ));
LDAP_F (int) ldap_int_sasl_bind LDAP_P((
LDAP *ld,
const char *,
const char *,
LDAPControl **, LDAPControl **,
/* should be passed in client controls */
unsigned flags,
LDAP_SASL_INTERACT_PROC *interact,
void *defaults ));
/* in schema.c */
LDAP_F (char *) ldap_int_parse_numericoid LDAP_P((
const char **sp,
int *code,
const int flags ));
/*
* in tls.c
*/
LDAP_F (int) ldap_int_tls_config LDAP_P(( LDAP *ld,
int option, const char *arg ));
LDAP_F (int) ldap_int_tls_start LDAP_P(( LDAP *ld,
LDAPConn *conn, LDAPURLDesc *srv ));
/*
* in getvalues.c
*/
LDAP_F (char **) ldap_value_dup LDAP_P((
char *const *vals ));
LDAP_END_DECL
#endif /* _LDAP_INT_H */
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