mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
363 lines
7.5 KiB
C
363 lines
7.5 KiB
C
/* ldapsync.c -- LDAP Content Sync Routines */
|
|
/* $OpenLDAP$ */
|
|
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
|
|
*
|
|
* Copyright 2003-2009 The OpenLDAP Foundation.
|
|
* Portions Copyright 2003 IBM Corporation.
|
|
* 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>.
|
|
*/
|
|
|
|
#include "portable.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ac/string.h>
|
|
#include <ac/socket.h>
|
|
|
|
#include "lutil.h"
|
|
#include "slap.h"
|
|
#include "../../libraries/liblber/lber-int.h" /* get ber_strndup() */
|
|
#include "lutil_ldap.h"
|
|
|
|
struct slap_sync_cookie_s slap_sync_cookie =
|
|
LDAP_STAILQ_HEAD_INITIALIZER( slap_sync_cookie );
|
|
|
|
void
|
|
slap_compose_sync_cookie(
|
|
Operation *op,
|
|
struct berval *cookie,
|
|
BerVarray csn,
|
|
int rid,
|
|
int sid )
|
|
{
|
|
int len, numcsn = 0;
|
|
|
|
if ( csn ) {
|
|
for (; !BER_BVISNULL( &csn[numcsn] ); numcsn++);
|
|
}
|
|
|
|
if ( numcsn == 0 || rid == -1 ) {
|
|
char cookiestr[ LDAP_PVT_CSNSTR_BUFSIZE + 20 ];
|
|
if ( rid == -1 ) {
|
|
cookiestr[0] = '\0';
|
|
len = 0;
|
|
} else {
|
|
len = snprintf( cookiestr, sizeof( cookiestr ),
|
|
"rid=%03d", rid );
|
|
if ( sid >= 0 ) {
|
|
len += sprintf( cookiestr+len, ",sid=%03x", sid );
|
|
}
|
|
}
|
|
ber_str2bv_x( cookiestr, len, 1, cookie,
|
|
op ? op->o_tmpmemctx : NULL );
|
|
} else {
|
|
char *ptr;
|
|
int i;
|
|
|
|
len = 0;
|
|
for ( i=0; i<numcsn; i++)
|
|
len += csn[i].bv_len + 1;
|
|
|
|
len += STRLENOF("rid=123,csn=");
|
|
if ( sid >= 0 )
|
|
len += STRLENOF("sid=xxx,");
|
|
|
|
cookie->bv_val = slap_sl_malloc( len, op ? op->o_tmpmemctx : NULL );
|
|
|
|
len = sprintf( cookie->bv_val, "rid=%03d,", rid );
|
|
ptr = cookie->bv_val + len;
|
|
if ( sid >= 0 ) {
|
|
ptr += sprintf( ptr, "sid=%03x,", sid );
|
|
}
|
|
ptr = lutil_strcopy( ptr, "csn=" );
|
|
for ( i=0; i<numcsn; i++) {
|
|
ptr = lutil_strncopy( ptr, csn[i].bv_val, csn[i].bv_len );
|
|
*ptr++ = ';';
|
|
}
|
|
ptr--;
|
|
*ptr = '\0';
|
|
cookie->bv_len = ptr - cookie->bv_val;
|
|
}
|
|
}
|
|
|
|
void
|
|
slap_sync_cookie_free(
|
|
struct sync_cookie *cookie,
|
|
int free_cookie
|
|
)
|
|
{
|
|
if ( cookie == NULL )
|
|
return;
|
|
|
|
if ( cookie->sids ) {
|
|
ch_free( cookie->sids );
|
|
cookie->sids = NULL;
|
|
}
|
|
|
|
if ( cookie->ctxcsn ) {
|
|
ber_bvarray_free( cookie->ctxcsn );
|
|
cookie->ctxcsn = NULL;
|
|
}
|
|
cookie->numcsns = 0;
|
|
if ( !BER_BVISNULL( &cookie->octet_str )) {
|
|
ch_free( cookie->octet_str.bv_val );
|
|
BER_BVZERO( &cookie->octet_str );
|
|
}
|
|
|
|
if ( free_cookie ) {
|
|
ch_free( cookie );
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
int
|
|
slap_parse_csn_sid( struct berval *csnp )
|
|
{
|
|
char *p, *q;
|
|
struct berval csn = *csnp;
|
|
int i;
|
|
|
|
p = ber_bvchr( &csn, '#' );
|
|
if ( !p )
|
|
return -1;
|
|
p++;
|
|
csn.bv_len -= p - csn.bv_val;
|
|
csn.bv_val = p;
|
|
|
|
p = ber_bvchr( &csn, '#' );
|
|
if ( !p )
|
|
return -1;
|
|
p++;
|
|
csn.bv_len -= p - csn.bv_val;
|
|
csn.bv_val = p;
|
|
|
|
q = ber_bvchr( &csn, '#' );
|
|
if ( !q )
|
|
return -1;
|
|
|
|
csn.bv_len = q - p;
|
|
|
|
i = strtol( p, &q, 16 );
|
|
if ( p == q || q != p + csn.bv_len || i < 0 || i > SLAP_SYNC_SID_MAX ) {
|
|
i = -1;
|
|
}
|
|
|
|
return i;
|
|
}
|
|
|
|
int *
|
|
slap_parse_csn_sids( BerVarray csns, int numcsns, void *memctx )
|
|
{
|
|
int i, *ret;
|
|
|
|
ret = slap_sl_malloc( numcsns * sizeof(int), memctx );
|
|
for ( i=0; i<numcsns; i++ ) {
|
|
ret[i] = slap_parse_csn_sid( &csns[i] );
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
slap_parse_sync_cookie(
|
|
struct sync_cookie *cookie,
|
|
void *memctx
|
|
)
|
|
{
|
|
char *csn_ptr;
|
|
char *csn_str;
|
|
char *cval;
|
|
char *next, *end;
|
|
AttributeDescription *ad = slap_schema.si_ad_entryCSN;
|
|
|
|
if ( cookie == NULL )
|
|
return -1;
|
|
|
|
if ( cookie->octet_str.bv_len <= STRLENOF( "rid=" ) )
|
|
return -1;
|
|
|
|
cookie->rid = -1;
|
|
cookie->sid = -1;
|
|
cookie->ctxcsn = NULL;
|
|
cookie->sids = NULL;
|
|
cookie->numcsns = 0;
|
|
|
|
end = cookie->octet_str.bv_val + cookie->octet_str.bv_len;
|
|
|
|
for ( next=cookie->octet_str.bv_val; next < end; ) {
|
|
if ( !strncmp( next, "rid=", STRLENOF("rid=") )) {
|
|
char *rid_ptr = next;
|
|
cookie->rid = strtol( &rid_ptr[ STRLENOF( "rid=" ) ], &next, 10 );
|
|
if ( next == rid_ptr ||
|
|
next > end ||
|
|
( *next && *next != ',' ) ||
|
|
cookie->rid < 0 ||
|
|
cookie->rid > SLAP_SYNC_RID_MAX )
|
|
{
|
|
return -1;
|
|
}
|
|
if ( *next == ',' ) {
|
|
next++;
|
|
}
|
|
if ( !ad ) {
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
if ( !strncmp( next, "sid=", STRLENOF("sid=") )) {
|
|
char *sid_ptr = next;
|
|
sid_ptr = next;
|
|
cookie->sid = strtol( &sid_ptr[ STRLENOF( "sid=" ) ], &next, 16 );
|
|
if ( next == sid_ptr ||
|
|
next > end ||
|
|
( *next && *next != ',' ) ||
|
|
cookie->sid < 0 ||
|
|
cookie->sid > SLAP_SYNC_SID_MAX )
|
|
{
|
|
return -1;
|
|
}
|
|
if ( *next == ',' ) {
|
|
next++;
|
|
}
|
|
continue;
|
|
}
|
|
if ( !strncmp( next, "csn=", STRLENOF("csn=") )) {
|
|
struct berval stamp;
|
|
|
|
next += STRLENOF("csn=");
|
|
while ( next < end ) {
|
|
csn_str = next;
|
|
csn_ptr = strchr( csn_str, '#' );
|
|
if ( !csn_ptr || csn_ptr > end )
|
|
break;
|
|
/* ad will be NULL when called from main. we just
|
|
* want to parse the rid then. But we still iterate
|
|
* through the string to find the end.
|
|
*/
|
|
cval = strchr( csn_ptr, ';' );
|
|
if ( !cval )
|
|
cval = strchr(csn_ptr, ',' );
|
|
if ( cval )
|
|
stamp.bv_len = cval - csn_str;
|
|
else
|
|
stamp.bv_len = end - csn_str;
|
|
if ( ad ) {
|
|
struct berval bv;
|
|
stamp.bv_val = csn_str;
|
|
if ( ad->ad_type->sat_syntax->ssyn_validate(
|
|
ad->ad_type->sat_syntax, &stamp ) != LDAP_SUCCESS )
|
|
break;
|
|
if ( ad->ad_type->sat_equality->smr_normalize(
|
|
SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
|
|
ad->ad_type->sat_syntax,
|
|
ad->ad_type->sat_equality,
|
|
&stamp, &bv, memctx ) != LDAP_SUCCESS )
|
|
break;
|
|
ber_bvarray_add_x( &cookie->ctxcsn, &bv, memctx );
|
|
cookie->numcsns++;
|
|
}
|
|
if ( cval ) {
|
|
next = cval + 1;
|
|
if ( *cval != ';' )
|
|
break;
|
|
} else {
|
|
next = end;
|
|
break;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
next++;
|
|
}
|
|
if ( cookie->numcsns ) {
|
|
cookie->sids = slap_parse_csn_sids( cookie->ctxcsn, cookie->numcsns,
|
|
memctx );
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
slap_init_sync_cookie_ctxcsn(
|
|
struct sync_cookie *cookie
|
|
)
|
|
{
|
|
char csnbuf[ LDAP_PVT_CSNSTR_BUFSIZE + 4 ];
|
|
struct berval octet_str = BER_BVNULL;
|
|
struct berval ctxcsn = BER_BVNULL;
|
|
|
|
if ( cookie == NULL )
|
|
return -1;
|
|
|
|
octet_str.bv_len = snprintf( csnbuf, LDAP_PVT_CSNSTR_BUFSIZE + 4,
|
|
"csn=%4d%02d%02d%02d%02d%02dZ#%06x#%02x#%06x",
|
|
1900, 1, 1, 0, 0, 0, 0, 0, 0 );
|
|
octet_str.bv_val = csnbuf;
|
|
ch_free( cookie->octet_str.bv_val );
|
|
ber_dupbv( &cookie->octet_str, &octet_str );
|
|
|
|
ctxcsn.bv_val = octet_str.bv_val + 4;
|
|
ctxcsn.bv_len = octet_str.bv_len - 4;
|
|
cookie->ctxcsn = NULL;
|
|
value_add_one( &cookie->ctxcsn, &ctxcsn );
|
|
cookie->numcsns = 1;
|
|
cookie->sid = -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct sync_cookie *
|
|
slap_dup_sync_cookie(
|
|
struct sync_cookie *dst,
|
|
struct sync_cookie *src
|
|
)
|
|
{
|
|
struct sync_cookie *new;
|
|
int i;
|
|
|
|
if ( src == NULL )
|
|
return NULL;
|
|
|
|
if ( dst ) {
|
|
ber_bvarray_free( dst->ctxcsn );
|
|
dst->ctxcsn = NULL;
|
|
dst->sids = NULL;
|
|
ch_free( dst->octet_str.bv_val );
|
|
BER_BVZERO( &dst->octet_str );
|
|
new = dst;
|
|
} else {
|
|
new = ( struct sync_cookie * )
|
|
ch_calloc( 1, sizeof( struct sync_cookie ));
|
|
}
|
|
|
|
new->rid = src->rid;
|
|
new->sid = src->sid;
|
|
new->numcsns = src->numcsns;
|
|
|
|
if ( src->numcsns ) {
|
|
if ( ber_bvarray_dup_x( &new->ctxcsn, src->ctxcsn, NULL )) {
|
|
if ( !dst ) {
|
|
ch_free( new );
|
|
}
|
|
return NULL;
|
|
}
|
|
new->sids = ch_malloc( src->numcsns * sizeof(int) );
|
|
for (i=0; i<src->numcsns; i++)
|
|
new->sids[i] = src->sids[i];
|
|
}
|
|
|
|
if ( !BER_BVISNULL( &src->octet_str )) {
|
|
ber_dupbv( &new->octet_str, &src->octet_str );
|
|
}
|
|
|
|
return new;
|
|
}
|
|
|