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/* $OpenLDAP: pkg/ldap/servers/slapd/overlays/syncprov.c,v 1.147.2.29 2008/05/29 22:57:32 quanah Exp $ */
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/* syncprov.c - syncrepl provider */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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* Copyright 2004-2008 The OpenLDAP Foundation.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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* This work was initially developed by Howard Chu for inclusion in
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#ifdef SLAPD_OVER_SYNCPROV
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#include <ac/string.h>
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/* A modify request on a particular entry */
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typedef struct modinst {
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struct modinst *mi_next;
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typedef struct modtarget {
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struct modinst *mt_mods;
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struct modinst *mt_tail;
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ldap_pvt_thread_mutex_t mt_mutex;
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/* A queued result of a persistent search */
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typedef struct syncres {
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struct syncres *s_next;
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/* Record of a persistent search */
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typedef struct syncops {
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struct syncops *s_next;
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struct berval s_base; /* ndn of search base */
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ID s_eid; /* entryID of search base */
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Operation *s_op; /* search op */
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struct berval s_filterstr;
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int s_flags; /* search status */
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#define PS_IS_REFRESHING 0x01
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#define PS_IS_DETACHED 0x02
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#define PS_WROTE_BASE 0x04
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#define PS_FIND_BASE 0x08
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#define PS_FIX_FILTER 0x10
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int s_inuse; /* reference count */
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struct syncres *s_res;
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struct syncres *s_restail;
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struct re_s *s_qtask; /* task for playing psearch responses */
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#define RUNQ_INTERVAL 36000 /* a long time */
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ldap_pvt_thread_mutex_t s_mutex;
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/* A received sync control */
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typedef struct sync_control {
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struct sync_cookie sr_state;
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#if 0 /* moved back to slap.h */
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#define o_sync o_ctrlflag[slap_cids.sc_LDAPsync]
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/* o_sync_mode uses data bits of o_sync */
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#define o_sync_mode o_ctrlflag[slap_cids.sc_LDAPsync]
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#define SLAP_SYNC_NONE (LDAP_SYNC_NONE<<SLAP_CONTROL_SHIFT)
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#define SLAP_SYNC_REFRESH (LDAP_SYNC_REFRESH_ONLY<<SLAP_CONTROL_SHIFT)
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#define SLAP_SYNC_PERSIST (LDAP_SYNC_RESERVED<<SLAP_CONTROL_SHIFT)
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#define SLAP_SYNC_REFRESH_AND_PERSIST (LDAP_SYNC_REFRESH_AND_PERSIST<<SLAP_CONTROL_SHIFT)
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/* Record of which searches matched at premodify step */
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typedef struct syncmatches {
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struct syncmatches *sm_next;
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/* Session log data */
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typedef struct slog_entry {
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struct slog_entry *se_next;
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struct berval se_uuid;
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struct berval se_csn;
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typedef struct sessionlog {
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struct berval sl_mincsn;
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ldap_pvt_thread_mutex_t sl_mutex;
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/* The main state for this overlay */
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typedef struct syncprov_info_t {
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BerVarray si_ctxcsn; /* ldapsync context */
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int si_chkops; /* checkpointing info */
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int si_numops; /* number of ops since last checkpoint */
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int si_nopres; /* Skip present phase */
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int si_usehint; /* use reload hint */
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time_t si_chklast; /* time of last checkpoint */
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Avlnode *si_mods; /* entries being modified */
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ldap_pvt_thread_rdwr_t si_csn_rwlock;
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ldap_pvt_thread_mutex_t si_ops_mutex;
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ldap_pvt_thread_mutex_t si_mods_mutex;
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typedef struct opcookie {
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syncmatches *smatches;
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struct berval sdn; /* DN of entry, for deletes */
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struct berval suuid; /* UUID of entry */
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struct berval sctxcsn;
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int sreference; /* Is the entry a reference? */
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typedef struct fbase_cookie {
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struct berval *fdn; /* DN of a modified entry, for scope testing */
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syncops *fss; /* persistent search we're testing against */
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int fbase; /* if TRUE we found the search base and it's still valid */
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int fscope; /* if TRUE then fdn is within the psearch scope */
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static AttributeName csn_anlist[3];
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static AttributeName uuid_anlist[2];
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/* Build a LDAPsync intermediate state control */
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int entry_sync_state,
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struct berval *cookie )
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BerElementBuffer berbuf;
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BerElement *ber = (BerElement *)&berbuf;
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struct berval entryuuid_bv = BER_BVNULL;
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ber_init2( ber, 0, LBER_USE_DER );
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ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
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ctrls[num_ctrls] = op->o_tmpalloc( sizeof ( LDAPControl ), op->o_tmpmemctx );
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for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
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AttributeDescription *desc = a->a_desc;
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if ( desc == slap_schema.si_ad_entryUUID ) {
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entryuuid_bv = a->a_nvals[0];
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/* FIXME: what if entryuuid is NULL or empty ? */
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if ( send_cookie && cookie ) {
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ber_printf( ber, "{eOON}",
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entry_sync_state, &entryuuid_bv, cookie );
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ber_printf( ber, "{eON}",
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entry_sync_state, &entryuuid_bv );
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ctrls[num_ctrls]->ldctl_oid = LDAP_CONTROL_SYNC_STATE;
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ctrls[num_ctrls]->ldctl_iscritical = (op->o_sync == SLAP_CONTROL_CRITICAL);
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ret = ber_flatten2( ber, &ctrls[num_ctrls]->ldctl_value, 1 );
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Debug( LDAP_DEBUG_TRACE,
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"slap_build_sync_ctrl: ber_flatten2 failed\n",
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send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
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/* Build a LDAPsync final state control */
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struct berval *cookie,
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BerElementBuffer berbuf;
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BerElement *ber = (BerElement *)&berbuf;
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ber_init2( ber, NULL, LBER_USE_DER );
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ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
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ctrls[num_ctrls] = op->o_tmpalloc( sizeof ( LDAPControl ), op->o_tmpmemctx );
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ber_printf( ber, "{" );
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if ( send_cookie && cookie ) {
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ber_printf( ber, "O", cookie );
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if ( refreshDeletes == LDAP_SYNC_REFRESH_DELETES ) {
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ber_printf( ber, "b", refreshDeletes );
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ber_printf( ber, "N}" );
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ctrls[num_ctrls]->ldctl_oid = LDAP_CONTROL_SYNC_DONE;
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ctrls[num_ctrls]->ldctl_iscritical = (op->o_sync == SLAP_CONTROL_CRITICAL);
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ret = ber_flatten2( ber, &ctrls[num_ctrls]->ldctl_value, 1 );
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Debug( LDAP_DEBUG_TRACE,
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"syncprov_done_ctrl: ber_flatten2 failed\n",
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send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
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struct berval *cookie,
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BerElementBuffer berbuf;
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BerElement *ber = (BerElement *)&berbuf;
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struct berval rspdata;
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ber_init2( ber, NULL, LBER_USE_DER );
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ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
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case LDAP_TAG_SYNC_NEW_COOKIE:
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ber_printf( ber, "tO", type, cookie );
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case LDAP_TAG_SYNC_REFRESH_DELETE:
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case LDAP_TAG_SYNC_REFRESH_PRESENT:
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ber_printf( ber, "t{", type );
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ber_printf( ber, "O", cookie );
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if ( refreshDone == 0 ) {
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ber_printf( ber, "b", refreshDone );
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ber_printf( ber, "N}" );
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case LDAP_TAG_SYNC_ID_SET:
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ber_printf( ber, "t{", type );
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ber_printf( ber, "O", cookie );
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if ( refreshDeletes == 1 ) {
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ber_printf( ber, "b", refreshDeletes );
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ber_printf( ber, "[W]", syncUUIDs );
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ber_printf( ber, "N}" );
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Debug( LDAP_DEBUG_TRACE,
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"syncprov_sendinfo: invalid syncinfo type (%d)\n",
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ret = ber_flatten2( ber, &rspdata, 0 );
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Debug( LDAP_DEBUG_TRACE,
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"syncprov_sendinfo: ber_flatten2 failed\n",
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send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
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rs->sr_rspoid = LDAP_SYNC_INFO;
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rs->sr_rspdata = &rspdata;
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send_ldap_intermediate( op, rs );
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rs->sr_rspdata = NULL;
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/* Find a modtarget in an AVL tree */
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sp_avl_cmp( const void *c1, const void *c2 )
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const modtarget *m1, *m2;
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rc = m1->mt_op->o_req_ndn.bv_len - m2->mt_op->o_req_ndn.bv_len;
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return ber_bvcmp( &m1->mt_op->o_req_ndn, &m2->mt_op->o_req_ndn );
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/* syncprov_findbase:
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* finds the true DN of the base of a search (with alias dereferencing) and
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* checks to make sure the base entry doesn't get replaced with a different
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* entry (e.g., swapping trees via ModDN, or retargeting an alias). If a
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* change is detected, any persistent search on this base must be terminated /
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* On the first call, we just save the DN and entryID. On subsequent calls
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* we compare the DN and entryID with the saved values.
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findbase_cb( Operation *op, SlapReply *rs )
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slap_callback *sc = op->o_callback;
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if ( rs->sr_type == REP_SEARCH && rs->sr_err == LDAP_SUCCESS ) {
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fbase_cookie *fc = sc->sc_private;
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/* If no entryID, we're looking for the first time.
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* Just store whatever we got.
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if ( fc->fss->s_eid == NOID ) {
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fc->fss->s_eid = rs->sr_entry->e_id;
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ber_dupbv( &fc->fss->s_base, &rs->sr_entry->e_nname );
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} else if ( rs->sr_entry->e_id == fc->fss->s_eid &&
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dn_match( &rs->sr_entry->e_nname, &fc->fss->s_base )) {
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/* OK, the DN is the same and the entryID is the same. */
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if ( rs->sr_err != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_ANY, "findbase failed! %d\n", rs->sr_err,0,0 );
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static Filter generic_filter = { LDAP_FILTER_PRESENT, { 0 }, NULL };
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static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
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syncprov_findbase( Operation *op, fbase_cookie *fc )
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opcookie *opc = op->o_callback->sc_private;
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slap_overinst *on = opc->son;
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/* Use basic parameters from syncrepl search, but use
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* current op's threadctx / tmpmemctx
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ldap_pvt_thread_mutex_lock( &fc->fss->s_mutex );
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if ( fc->fss->s_flags & PS_FIND_BASE ) {
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slap_callback cb = {0};
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SlapReply frs = { REP_RESULT };
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fc->fss->s_flags ^= PS_FIND_BASE;
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ldap_pvt_thread_mutex_unlock( &fc->fss->s_mutex );
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fop = *fc->fss->s_op;
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fop.o_bd = fop.o_bd->bd_self;
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fop.o_hdr = op->o_hdr;
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fop.o_time = op->o_time;
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fop.o_tincr = op->o_tincr;
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cb.sc_response = findbase_cb;
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fop.o_sync_mode = 0; /* turn off sync mode */
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fop.o_managedsait = SLAP_CONTROL_CRITICAL;
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fop.o_callback = &cb;
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fop.o_tag = LDAP_REQ_SEARCH;
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fop.ors_scope = LDAP_SCOPE_BASE;
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fop.ors_limit = NULL;
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fop.ors_tlimit = SLAP_NO_LIMIT;
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fop.ors_attrs = slap_anlist_no_attrs;
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fop.ors_attrsonly = 1;
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fop.ors_filter = &generic_filter;
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fop.ors_filterstr = generic_filterstr;
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rc = fop.o_bd->be_search( &fop, &frs );
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ldap_pvt_thread_mutex_unlock( &fc->fss->s_mutex );
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/* After the first call, see if the fdn resides in the scope */
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if ( fc->fbase == 1 ) {
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switch ( fc->fss->s_op->ors_scope ) {
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case LDAP_SCOPE_BASE:
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fc->fscope = dn_match( fc->fdn, &fc->fss->s_base );
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case LDAP_SCOPE_ONELEVEL: {
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dnParent( fc->fdn, &pdn );
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fc->fscope = dn_match( &pdn, &fc->fss->s_base );
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case LDAP_SCOPE_SUBTREE:
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fc->fscope = dnIsSuffix( fc->fdn, &fc->fss->s_base );
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case LDAP_SCOPE_SUBORDINATE:
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fc->fscope = dnIsSuffix( fc->fdn, &fc->fss->s_base ) &&
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!dn_match( fc->fdn, &fc->fss->s_base );
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/* If entryID has changed, then the base of this search has
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* changed. Invalidate the psearch.
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return LDAP_NO_SUCH_OBJECT;
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* This function has three different purposes, but they all use a search
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* that filters on entryCSN so they're combined here.
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* 1: at startup time, after a contextCSN has been read from the database,
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* we search for all entries with CSN >= contextCSN in case the contextCSN
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* was not checkpointed at the previous shutdown.
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* 2: when the current contextCSN is known and we have a sync cookie, we search
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* for one entry with CSN = the cookie CSN. If not found, try <= cookie CSN.
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* If an entry is found, the cookie CSN is valid, otherwise it is stale.
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* 3: during a refresh phase, we search for all entries with CSN <= the cookie
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* CSN, and generate Present records for them. We always collect this result
484
* in SyncID sets, even if there's only one match.
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typedef enum find_csn_t {
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findmax_cb( Operation *op, SlapReply *rs )
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if ( rs->sr_type == REP_SEARCH && rs->sr_err == LDAP_SUCCESS ) {
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struct berval *maxcsn = op->o_callback->sc_private;
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Attribute *a = attr_find( rs->sr_entry->e_attrs,
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slap_schema.si_ad_entryCSN );
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if ( a && ber_bvcmp( &a->a_vals[0], maxcsn ) > 0 &&
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slap_parse_csn_sid( &a->a_vals[0] ) == slap_serverID ) {
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maxcsn->bv_len = a->a_vals[0].bv_len;
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strcpy( maxcsn->bv_val, a->a_vals[0].bv_val );
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findcsn_cb( Operation *op, SlapReply *rs )
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slap_callback *sc = op->o_callback;
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/* We just want to know that at least one exists, so it's OK if
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* we exceed the unchecked limit.
517
if ( rs->sr_err == LDAP_ADMINLIMIT_EXCEEDED ||
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(rs->sr_type == REP_SEARCH && rs->sr_err == LDAP_SUCCESS )) {
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sc->sc_private = (void *)1;
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/* Build a list of entryUUIDs for sending in a SyncID set */
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typedef struct fpres_cookie {
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findpres_cb( Operation *op, SlapReply *rs )
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slap_callback *sc = op->o_callback;
538
fpres_cookie *pc = sc->sc_private;
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int ret = SLAP_CB_CONTINUE;
542
switch ( rs->sr_type ) {
544
a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID );
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pc->uuids[pc->num].bv_val = pc->last;
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AC_MEMCPY( pc->uuids[pc->num].bv_val, a->a_nvals[0].bv_val,
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pc->uuids[pc->num].bv_len );
550
pc->last = pc->uuids[pc->num].bv_val;
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pc->uuids[pc->num].bv_val = NULL;
554
if ( pc->num != SLAP_SYNCUUID_SET_SIZE )
560
ret = syncprov_sendinfo( op, rs, LDAP_TAG_SYNC_ID_SET, NULL,
562
pc->uuids[pc->num].bv_val = pc->last;
564
pc->last = pc->uuids[0].bv_val;
574
syncprov_findcsn( Operation *op, find_csn_t mode )
576
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
577
syncprov_info_t *si = on->on_bi.bi_private;
579
slap_callback cb = {0};
581
SlapReply frs = { REP_RESULT };
582
char buf[LDAP_LUTIL_CSNSTR_BUFSIZE + STRLENOF("(entryCSN<=)")];
583
char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
584
struct berval maxcsn;
586
AttributeAssertion eq = ATTRIBUTEASSERTION_INIT;
587
fpres_cookie pcookie;
588
sync_control *srs = NULL;
589
struct slap_limits_set fc_limits;
590
int i, rc = LDAP_SUCCESS, findcsn_retry = 1;
593
if ( mode != FIND_MAXCSN ) {
594
srs = op->o_controls[slap_cids.sc_LDAPsync];
598
fop.o_sync_mode &= SLAP_CONTROL_MASK; /* turn off sync_mode */
599
/* We want pure entries, not referrals */
600
fop.o_managedsait = SLAP_CONTROL_CRITICAL;
603
cf.f_av_desc = slap_schema.si_ad_entryCSN;
604
BER_BVZERO( &cf.f_av_value );
607
fop.o_callback = &cb;
608
fop.ors_limit = NULL;
609
fop.ors_tlimit = SLAP_NO_LIMIT;
610
fop.ors_filter = &cf;
611
fop.ors_filterstr.bv_val = buf;
616
cf.f_choice = LDAP_FILTER_GE;
617
/* If there are multiple CSNs, use the one with our serverID */
618
for ( i=0; i<si->si_numcsns; i++) {
619
if ( slap_serverID == si->si_sids[i] ) {
624
if ( i == si->si_numcsns ) {
625
/* No match: this is multimaster, and none of the content in the DB
626
* originated locally. Treat like no CSN.
628
return LDAP_NO_SUCH_OBJECT;
630
cf.f_av_value = si->si_ctxcsn[maxid];
631
fop.ors_filterstr.bv_len = snprintf( buf, sizeof( buf ),
632
"(entryCSN>=%s)", cf.f_av_value.bv_val );
633
if ( fop.ors_filterstr.bv_len < 0 || fop.ors_filterstr.bv_len >= sizeof( buf ) ) {
636
fop.ors_attrsonly = 0;
637
fop.ors_attrs = csn_anlist;
638
fop.ors_slimit = SLAP_NO_LIMIT;
639
cb.sc_private = &maxcsn;
640
cb.sc_response = findmax_cb;
641
strcpy( cbuf, cf.f_av_value.bv_val );
642
maxcsn.bv_val = cbuf;
643
maxcsn.bv_len = cf.f_av_value.bv_len;
646
if ( BER_BVISEMPTY( &cf.f_av_value )) {
647
cf.f_av_value = srs->sr_state.ctxcsn[0];
648
/* If there are multiple CSNs, use the smallest */
649
for ( i=1; i<srs->sr_state.numcsns; i++ ) {
650
if ( ber_bvcmp( &cf.f_av_value, &srs->sr_state.ctxcsn[i] )
652
cf.f_av_value = srs->sr_state.ctxcsn[i];
656
/* Look for exact match the first time */
657
if ( findcsn_retry ) {
658
cf.f_choice = LDAP_FILTER_EQUALITY;
659
fop.ors_filterstr.bv_len = snprintf( buf, sizeof( buf ),
660
"(entryCSN=%s)", cf.f_av_value.bv_val );
661
/* On retry, look for <= */
663
cf.f_choice = LDAP_FILTER_LE;
664
fop.ors_limit = &fc_limits;
665
memset( &fc_limits, 0, sizeof( fc_limits ));
666
fc_limits.lms_s_unchecked = 1;
667
fop.ors_filterstr.bv_len = snprintf( buf, sizeof( buf ),
668
"(entryCSN<=%s)", cf.f_av_value.bv_val );
670
if ( fop.ors_filterstr.bv_len < 0 || fop.ors_filterstr.bv_len >= sizeof( buf ) ) {
673
fop.ors_attrsonly = 1;
674
fop.ors_attrs = slap_anlist_no_attrs;
676
cb.sc_private = NULL;
677
cb.sc_response = findcsn_cb;
680
fop.ors_filter = op->ors_filter;
681
fop.ors_filterstr = op->ors_filterstr;
682
fop.ors_attrsonly = 0;
683
fop.ors_attrs = uuid_anlist;
684
fop.ors_slimit = SLAP_NO_LIMIT;
685
cb.sc_private = &pcookie;
686
cb.sc_response = findpres_cb;
689
/* preallocate storage for a full set */
690
pcookie.uuids = op->o_tmpalloc( (SLAP_SYNCUUID_SET_SIZE+1) *
691
sizeof(struct berval) + SLAP_SYNCUUID_SET_SIZE * UUID_LEN,
693
pcookie.last = (char *)(pcookie.uuids + SLAP_SYNCUUID_SET_SIZE+1);
694
pcookie.uuids[0].bv_val = pcookie.last;
695
pcookie.uuids[0].bv_len = UUID_LEN;
696
for (i=1; i<SLAP_SYNCUUID_SET_SIZE; i++) {
697
pcookie.uuids[i].bv_val = pcookie.uuids[i-1].bv_val + UUID_LEN;
698
pcookie.uuids[i].bv_len = UUID_LEN;
703
fop.o_bd->bd_info = (BackendInfo *)on->on_info;
704
fop.o_bd->be_search( &fop, &frs );
705
fop.o_bd->bd_info = (BackendInfo *)on;
709
if ( ber_bvcmp( &si->si_ctxcsn[maxid], &maxcsn )) {
710
ber_bvreplace( &si->si_ctxcsn[maxid], &maxcsn );
711
si->si_numops++; /* ensure a checkpoint */
715
/* If matching CSN was not found, invalidate the context. */
716
if ( !cb.sc_private ) {
717
/* If we didn't find an exact match, then try for <= */
718
if ( findcsn_retry ) {
722
rc = LDAP_NO_SUCH_OBJECT;
726
op->o_tmpfree( pcookie.uuids, op->o_tmpmemctx );
734
syncprov_free_syncop( syncops *so )
736
syncres *sr, *srnext;
737
GroupAssertion *ga, *gnext;
739
ldap_pvt_thread_mutex_lock( &so->s_mutex );
740
if ( --so->s_inuse > 0 ) {
741
ldap_pvt_thread_mutex_unlock( &so->s_mutex );
745
ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
746
if ( ldap_pvt_runqueue_isrunning( &slapd_rq, so->s_qtask ) )
747
ldap_pvt_runqueue_stoptask( &slapd_rq, so->s_qtask );
748
ldap_pvt_runqueue_remove( &slapd_rq, so->s_qtask );
749
ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
751
ldap_pvt_thread_mutex_unlock( &so->s_mutex );
752
if ( so->s_flags & PS_IS_DETACHED ) {
753
filter_free( so->s_op->ors_filter );
754
for ( ga = so->s_op->o_groups; ga; ga=gnext ) {
760
ch_free( so->s_base.bv_val );
761
for ( sr=so->s_res; sr; sr=srnext ) {
765
ldap_pvt_thread_mutex_destroy( &so->s_mutex );
769
/* Send a persistent search response */
771
syncprov_sendresp( Operation *op, opcookie *opc, syncops *so,
772
Entry **e, int mode )
774
slap_overinst *on = opc->son;
776
SlapReply rs = { REP_SEARCH };
777
LDAPControl *ctrls[2];
778
struct berval cookie, csns[2];
780
Attribute a_uuid = {0};
782
if ( so->s_op->o_abandon )
783
return SLAPD_ABANDON;
786
csns[0] = opc->sctxcsn;
787
BER_BVZERO( &csns[1] );
788
slap_compose_sync_cookie( op, &cookie, csns, so->s_rid, so->s_sid );
790
Debug( LDAP_DEBUG_SYNC, "syncprov_sendresp: cookie=%s\n", cookie.bv_val, 0, 0 );
792
e_uuid.e_attrs = &a_uuid;
793
a_uuid.a_desc = slap_schema.si_ad_entryUUID;
794
a_uuid.a_nvals = &opc->suuid;
795
rs.sr_err = syncprov_state_ctrl( op, &rs, &e_uuid,
796
mode, ctrls, 0, 1, &cookie );
797
op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );
800
op->o_bd->bd_info = (BackendInfo *)on->on_info;
804
if ( rs.sr_entry->e_private )
805
rs.sr_flags = REP_ENTRY_MUSTRELEASE;
806
if ( opc->sreference ) {
807
rs.sr_ref = get_entry_referrals( op, rs.sr_entry );
808
rs.sr_err = send_search_reference( op, &rs );
809
ber_bvarray_free( rs.sr_ref );
815
case LDAP_SYNC_MODIFY:
817
if ( rs.sr_entry->e_private )
818
rs.sr_flags = REP_ENTRY_MUSTRELEASE;
819
rs.sr_attrs = op->ors_attrs;
820
rs.sr_err = send_search_entry( op, &rs );
824
case LDAP_SYNC_DELETE:
825
e_uuid.e_attrs = NULL;
826
e_uuid.e_name = opc->sdn;
827
e_uuid.e_nname = opc->sndn;
828
rs.sr_entry = &e_uuid;
829
if ( opc->sreference ) {
830
struct berval bv = BER_BVNULL;
832
rs.sr_err = send_search_reference( op, &rs );
834
rs.sr_err = send_search_entry( op, &rs );
840
/* In case someone else freed it already? */
842
op->o_tmpfree( rs.sr_ctrls[0], op->o_tmpmemctx );
849
/* Play back queued responses */
851
syncprov_qplay( Operation *op, struct re_s *rtask )
853
syncops *so = rtask->arg;
854
slap_overinst *on = LDAP_SLIST_FIRST(&so->s_op->o_extra)->oe_key;
863
ldap_pvt_thread_mutex_lock( &so->s_mutex );
866
so->s_res = sr->s_next;
868
so->s_restail = NULL;
869
/* Exit loop with mutex held */
870
if ( !sr || so->s_op->o_abandon )
872
ldap_pvt_thread_mutex_unlock( &so->s_mutex );
875
opc.sndn = sr->s_ndn;
876
opc.suuid = sr->s_uuid;
877
opc.sctxcsn = sr->s_csn;
878
opc.sreference = sr->s_isreference;
881
if ( sr->s_mode != LDAP_SYNC_DELETE ) {
882
rc = overlay_entry_get_ov( op, &opc.sndn, NULL, NULL, 0, &e, on );
884
Debug( LDAP_DEBUG_SYNC, "syncprov_qplay: failed to get %s, "
885
"error (%d), ignoring...\n", opc.sndn.bv_val, rc, 0 );
891
rc = syncprov_sendresp( op, &opc, so, &e, sr->s_mode );
894
overlay_entry_release_ov( op, e, 0, on );
900
/* Exit loop with mutex held */
901
ldap_pvt_thread_mutex_lock( &so->s_mutex );
906
/* wait until we get explicitly scheduled again */
907
ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
908
ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
910
ldap_pvt_runqueue_resched( &slapd_rq, rtask, 1 );
912
/* bail out on any error */
913
ldap_pvt_runqueue_remove( &slapd_rq, rtask );
915
ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
916
ldap_pvt_thread_mutex_unlock( &so->s_mutex );
920
/* runqueue task for playing back queued responses */
922
syncprov_qtask( void *ctx, void *arg )
924
struct re_s *rtask = arg;
925
syncops *so = rtask->arg;
926
OperationBuffer opbuf;
933
op->o_hdr = &opbuf.ob_hdr;
934
op->o_controls = opbuf.ob_controls;
935
memset( op->o_controls, 0, sizeof(opbuf.ob_controls) );
937
*op->o_hdr = *so->s_op->o_hdr;
939
op->o_tmpmemctx = slap_sl_mem_create(SLAP_SLAB_SIZE, SLAP_SLAB_STACK, ctx, 1);
940
op->o_tmpmfuncs = &slap_sl_mfuncs;
941
op->o_threadctx = ctx;
943
/* syncprov_qplay expects a fake db */
944
be = *so->s_op->o_bd;
945
be.be_flags |= SLAP_DBFLAG_OVERLAY;
947
LDAP_SLIST_FIRST(&op->o_extra) = NULL;
948
op->o_callback = NULL;
950
rc = syncprov_qplay( op, rtask );
952
/* decrement use count... */
953
syncprov_free_syncop( so );
955
#if 0 /* FIXME: connection_close isn't exported from slapd.
959
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
960
if ( connection_state_closing( op->o_conn )) {
961
connection_close( op->o_conn );
963
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
969
/* Start the task to play back queued psearch responses */
971
syncprov_qstart( syncops *so )
974
ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
975
if ( !so->s_qtask ) {
976
so->s_qtask = ldap_pvt_runqueue_insert( &slapd_rq, RUNQ_INTERVAL,
977
syncprov_qtask, so, "syncprov_qtask",
978
so->s_op->o_conn->c_peer_name.bv_val );
982
if (!ldap_pvt_runqueue_isrunning( &slapd_rq, so->s_qtask ) &&
983
!so->s_qtask->next_sched.tv_sec ) {
984
so->s_qtask->interval.tv_sec = 0;
985
ldap_pvt_runqueue_resched( &slapd_rq, so->s_qtask, 0 );
986
so->s_qtask->interval.tv_sec = RUNQ_INTERVAL;
991
ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
993
slap_wake_listener();
996
/* Queue a persistent search response */
998
syncprov_qresp( opcookie *opc, syncops *so, int mode )
1003
/* Don't send changes back to their originator */
1004
sid = slap_parse_csn_sid( &opc->sctxcsn );
1005
if ( sid >= 0 && sid == so->s_sid )
1006
return LDAP_SUCCESS;
1008
srsize = sizeof(syncres) + opc->suuid.bv_len + 1 +
1009
opc->sdn.bv_len + 1 + opc->sndn.bv_len + 1;
1010
if ( opc->sctxcsn.bv_len )
1011
srsize += opc->sctxcsn.bv_len + 1;
1012
sr = ch_malloc( srsize );
1014
sr->s_dn.bv_val = (char *)(sr + 1);
1015
sr->s_dn.bv_len = opc->sdn.bv_len;
1017
sr->s_isreference = opc->sreference;
1018
sr->s_ndn.bv_val = lutil_strcopy( sr->s_dn.bv_val,
1019
opc->sdn.bv_val ) + 1;
1020
sr->s_ndn.bv_len = opc->sndn.bv_len;
1021
sr->s_uuid.bv_val = lutil_strcopy( sr->s_ndn.bv_val,
1022
opc->sndn.bv_val ) + 1;
1023
sr->s_uuid.bv_len = opc->suuid.bv_len;
1024
AC_MEMCPY( sr->s_uuid.bv_val, opc->suuid.bv_val, opc->suuid.bv_len );
1025
if ( opc->sctxcsn.bv_len ) {
1026
sr->s_csn.bv_val = sr->s_uuid.bv_val + sr->s_uuid.bv_len + 1;
1027
strcpy( sr->s_csn.bv_val, opc->sctxcsn.bv_val );
1029
sr->s_csn.bv_val = NULL;
1031
sr->s_csn.bv_len = opc->sctxcsn.bv_len;
1033
ldap_pvt_thread_mutex_lock( &so->s_mutex );
1037
so->s_restail->s_next = sr;
1041
/* If the base of the psearch was modified, check it next time round */
1042
if ( so->s_flags & PS_WROTE_BASE ) {
1043
so->s_flags ^= PS_WROTE_BASE;
1044
so->s_flags |= PS_FIND_BASE;
1046
if ( so->s_flags & PS_IS_DETACHED ) {
1047
syncprov_qstart( so );
1049
ldap_pvt_thread_mutex_unlock( &so->s_mutex );
1050
return LDAP_SUCCESS;
1054
syncprov_drop_psearch( syncops *so, int lock )
1056
if ( so->s_flags & PS_IS_DETACHED ) {
1058
ldap_pvt_thread_mutex_lock( &so->s_op->o_conn->c_mutex );
1059
so->s_op->o_conn->c_n_ops_executing--;
1060
so->s_op->o_conn->c_n_ops_completed++;
1061
LDAP_STAILQ_REMOVE( &so->s_op->o_conn->c_ops, so->s_op, Operation,
1064
ldap_pvt_thread_mutex_unlock( &so->s_op->o_conn->c_mutex );
1066
syncprov_free_syncop( so );
1072
syncprov_ab_cleanup( Operation *op, SlapReply *rs )
1074
slap_callback *sc = op->o_callback;
1075
op->o_callback = sc->sc_next;
1076
syncprov_drop_psearch( op->o_callback->sc_private, 0 );
1077
op->o_tmpfree( sc, op->o_tmpmemctx );
1082
syncprov_op_abandon( Operation *op, SlapReply *rs )
1084
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1085
syncprov_info_t *si = on->on_bi.bi_private;
1086
syncops *so, *soprev;
1088
ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
1089
for ( so=si->si_ops, soprev = (syncops *)&si->si_ops; so;
1090
soprev=so, so=so->s_next ) {
1091
if ( so->s_op->o_connid == op->o_connid &&
1092
so->s_op->o_msgid == op->orn_msgid ) {
1093
so->s_op->o_abandon = 1;
1094
soprev->s_next = so->s_next;
1098
ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
1100
/* Is this really a Cancel exop? */
1101
if ( op->o_tag != LDAP_REQ_ABANDON ) {
1102
so->s_op->o_cancel = SLAP_CANCEL_ACK;
1103
rs->sr_err = LDAP_CANCELLED;
1104
send_ldap_result( so->s_op, rs );
1105
if ( so->s_flags & PS_IS_DETACHED ) {
1107
cb = op->o_tmpcalloc( 1, sizeof(slap_callback), op->o_tmpmemctx );
1108
cb->sc_cleanup = syncprov_ab_cleanup;
1109
cb->sc_next = op->o_callback;
1110
cb->sc_private = so;
1111
return SLAP_CB_CONTINUE;
1114
syncprov_drop_psearch( so, 0 );
1116
return SLAP_CB_CONTINUE;
1119
/* Find which persistent searches are affected by this operation */
1121
syncprov_matchops( Operation *op, opcookie *opc, int saveit )
1123
slap_overinst *on = opc->son;
1124
syncprov_info_t *si = on->on_bi.bi_private;
1127
syncops *ss, *sprev, *snext;
1131
struct berval newdn;
1133
BackendDB *b0 = op->o_bd, db;
1135
fc.fdn = &op->o_req_ndn;
1136
/* compute new DN */
1137
if ( op->o_tag == LDAP_REQ_MODRDN && !saveit ) {
1139
if ( op->orr_nnewSup ) pdn = *op->orr_nnewSup;
1140
else dnParent( fc.fdn, &pdn );
1141
build_new_dn( &newdn, &pdn, &op->orr_nnewrdn, op->o_tmpmemctx );
1145
if ( op->o_tag != LDAP_REQ_ADD ) {
1146
if ( !SLAP_ISOVERLAY( op->o_bd )) {
1150
rc = overlay_entry_get_ov( op, fc.fdn, NULL, NULL, 0, &e, on );
1151
/* If we're sending responses now, make a copy and unlock the DB */
1152
if ( e && !saveit ) {
1153
Entry *e2 = entry_dup( e );
1154
overlay_entry_release_ov( op, e, 0, on );
1165
if ( saveit || op->o_tag == LDAP_REQ_ADD ) {
1166
ber_dupbv_x( &opc->sdn, &e->e_name, op->o_tmpmemctx );
1167
ber_dupbv_x( &opc->sndn, &e->e_nname, op->o_tmpmemctx );
1168
opc->sreference = is_entry_referral( e );
1169
a = attr_find( e->e_attrs, slap_schema.si_ad_entryUUID );
1171
ber_dupbv_x( &opc->suuid, &a->a_nvals[0], op->o_tmpmemctx );
1172
} else if ( op->o_tag == LDAP_REQ_MODRDN && !saveit ) {
1173
op->o_tmpfree( opc->sndn.bv_val, op->o_tmpmemctx );
1174
op->o_tmpfree( opc->sdn.bv_val, op->o_tmpmemctx );
1175
ber_dupbv_x( &opc->sdn, &e->e_name, op->o_tmpmemctx );
1176
ber_dupbv_x( &opc->sndn, &e->e_nname, op->o_tmpmemctx );
1179
ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
1180
for (ss = si->si_ops, sprev = (syncops *)&si->si_ops; ss;
1181
sprev = ss, ss=snext)
1188
if ( ss->s_op->o_abandon )
1196
/* If the base of the search is missing, signal a refresh */
1197
rc = syncprov_findbase( op, &fc );
1198
if ( rc != LDAP_SUCCESS ) {
1199
SlapReply rs = {REP_RESULT};
1200
send_ldap_error( ss->s_op, &rs, LDAP_SYNC_REFRESH_REQUIRED,
1201
"search base has changed" );
1202
sprev->s_next = snext;
1203
syncprov_drop_psearch( ss, 1 );
1209
/* If we're sending results now, look for this op in old matches */
1213
/* Did we modify the search base? */
1214
if ( dn_match( &op->o_req_ndn, &ss->s_base )) {
1215
ldap_pvt_thread_mutex_lock( &ss->s_mutex );
1216
ss->s_flags |= PS_WROTE_BASE;
1217
ldap_pvt_thread_mutex_unlock( &ss->s_mutex );
1220
for ( sm=opc->smatches, old=(syncmatches *)&opc->smatches; sm;
1221
old=sm, sm=sm->sm_next ) {
1222
if ( sm->sm_op == ss ) {
1224
old->sm_next = sm->sm_next;
1225
op->o_tmpfree( sm, op->o_tmpmemctx );
1233
op2.o_hdr = op->o_hdr;
1234
op2.o_extra = op->o_extra;
1237
/* check if current o_req_dn is in scope and matches filter */
1238
if ( fc.fscope && test_filter( &op2, e, ss->s_op->ors_filter ) ==
1239
LDAP_COMPARE_TRUE ) {
1241
sm = op->o_tmpalloc( sizeof(syncmatches), op->o_tmpmemctx );
1242
sm->sm_next = opc->smatches;
1244
ldap_pvt_thread_mutex_lock( &ss->s_mutex );
1246
ldap_pvt_thread_mutex_unlock( &ss->s_mutex );
1249
/* if found send UPDATE else send ADD */
1250
syncprov_qresp( opc, ss,
1251
found ? LDAP_SYNC_MODIFY : LDAP_SYNC_ADD );
1253
} else if ( !saveit && found ) {
1255
syncprov_qresp( opc, ss, LDAP_SYNC_DELETE );
1258
ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
1260
if ( op->o_tag != LDAP_REQ_ADD && e ) {
1261
if ( !SLAP_ISOVERLAY( op->o_bd )) {
1264
overlay_entry_release_ov( op, e, 0, on );
1268
op->o_tmpfree( fc.fdn->bv_val, op->o_tmpmemctx );
1274
syncprov_op_cleanup( Operation *op, SlapReply *rs )
1276
slap_callback *cb = op->o_callback;
1277
opcookie *opc = cb->sc_private;
1278
slap_overinst *on = opc->son;
1279
syncprov_info_t *si = on->on_bi.bi_private;
1280
syncmatches *sm, *snext;
1281
modtarget *mt, mtdummy;
1283
for (sm = opc->smatches; sm; sm=snext) {
1284
snext = sm->sm_next;
1285
syncprov_free_syncop( sm->sm_op );
1286
op->o_tmpfree( sm, op->o_tmpmemctx );
1289
/* Remove op from lock table */
1291
ldap_pvt_thread_mutex_lock( &si->si_mods_mutex );
1292
mt = avl_find( si->si_mods, &mtdummy, sp_avl_cmp );
1294
modinst *mi = mt->mt_mods;
1296
/* If there are more, promote the next one */
1297
ldap_pvt_thread_mutex_lock( &mt->mt_mutex );
1298
if ( mi->mi_next ) {
1299
mt->mt_mods = mi->mi_next;
1300
mt->mt_op = mt->mt_mods->mi_op;
1301
ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
1303
avl_delete( &si->si_mods, mt, sp_avl_cmp );
1304
ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
1305
ldap_pvt_thread_mutex_destroy( &mt->mt_mutex );
1309
ldap_pvt_thread_mutex_unlock( &si->si_mods_mutex );
1310
if ( !BER_BVISNULL( &opc->suuid ))
1311
op->o_tmpfree( opc->suuid.bv_val, op->o_tmpmemctx );
1312
if ( !BER_BVISNULL( &opc->sndn ))
1313
op->o_tmpfree( opc->sndn.bv_val, op->o_tmpmemctx );
1314
if ( !BER_BVISNULL( &opc->sdn ))
1315
op->o_tmpfree( opc->sdn.bv_val, op->o_tmpmemctx );
1316
op->o_callback = cb->sc_next;
1317
op->o_tmpfree(cb, op->o_tmpmemctx);
1323
syncprov_checkpoint( Operation *op, SlapReply *rs, slap_overinst *on )
1325
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
1328
SlapReply rsm = { 0 };
1329
slap_callback cb = {0};
1332
mod.sml_numvals = si->si_numcsns;
1333
mod.sml_values = si->si_ctxcsn;
1334
mod.sml_nvalues = NULL;
1335
mod.sml_desc = slap_schema.si_ad_contextCSN;
1336
mod.sml_op = LDAP_MOD_REPLACE;
1338
mod.sml_next = NULL;
1340
cb.sc_response = slap_null_cb;
1342
opm.o_tag = LDAP_REQ_MODIFY;
1343
opm.o_callback = &cb;
1344
opm.orm_modlist = &mod;
1345
opm.orm_no_opattrs = 1;
1346
if ( SLAP_GLUE_SUBORDINATE( op->o_bd )) {
1347
be = *on->on_info->oi_origdb;
1350
opm.o_req_dn = opm.o_bd->be_suffix[0];
1351
opm.o_req_ndn = opm.o_bd->be_nsuffix[0];
1352
opm.o_bd->bd_info = on->on_info->oi_orig;
1353
opm.o_managedsait = SLAP_CONTROL_NONCRITICAL;
1354
opm.o_no_schema_check = 1;
1355
opm.o_bd->be_modify( &opm, &rsm );
1356
if ( mod.sml_next != NULL ) {
1357
slap_mods_free( mod.sml_next, 1 );
1362
syncprov_add_slog( Operation *op )
1364
opcookie *opc = op->o_callback->sc_private;
1365
slap_overinst *on = opc->son;
1366
syncprov_info_t *si = on->on_bi.bi_private;
1372
/* Allocate a record. UUIDs are not NUL-terminated. */
1373
se = ch_malloc( sizeof( slog_entry ) + opc->suuid.bv_len +
1374
op->o_csn.bv_len + 1 );
1376
se->se_tag = op->o_tag;
1378
se->se_uuid.bv_val = (char *)(&se[1]);
1379
AC_MEMCPY( se->se_uuid.bv_val, opc->suuid.bv_val, opc->suuid.bv_len );
1380
se->se_uuid.bv_len = opc->suuid.bv_len;
1382
se->se_csn.bv_val = se->se_uuid.bv_val + opc->suuid.bv_len;
1383
AC_MEMCPY( se->se_csn.bv_val, op->o_csn.bv_val, op->o_csn.bv_len );
1384
se->se_csn.bv_val[op->o_csn.bv_len] = '\0';
1385
se->se_csn.bv_len = op->o_csn.bv_len;
1386
se->se_sid = slap_parse_csn_sid( &se->se_csn );
1388
ldap_pvt_thread_mutex_lock( &sl->sl_mutex );
1389
if ( sl->sl_head ) {
1390
sl->sl_tail->se_next = se;
1396
while ( sl->sl_num > sl->sl_size ) {
1398
sl->sl_head = se->se_next;
1399
strcpy( sl->sl_mincsn.bv_val, se->se_csn.bv_val );
1400
sl->sl_mincsn.bv_len = se->se_csn.bv_len;
1404
ldap_pvt_thread_mutex_unlock( &sl->sl_mutex );
1408
/* Just set a flag if we found the matching entry */
1410
playlog_cb( Operation *op, SlapReply *rs )
1412
if ( rs->sr_type == REP_SEARCH ) {
1413
op->o_callback->sc_private = (void *)1;
1418
/* enter with sl->sl_mutex locked, release before returning */
1420
syncprov_playlog( Operation *op, SlapReply *rs, sessionlog *sl,
1421
sync_control *srs, BerVarray ctxcsn, int numcsns, int *sids )
1423
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1425
int i, j, ndel, num, nmods, mmods;
1426
char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
1428
struct berval delcsn[2];
1430
if ( !sl->sl_num ) {
1431
ldap_pvt_thread_mutex_unlock( &sl->sl_mutex );
1439
uuids = op->o_tmpalloc( (num+1) * sizeof( struct berval ) +
1440
num * UUID_LEN, op->o_tmpmemctx );
1441
uuids[0].bv_val = (char *)(uuids + num + 1);
1443
delcsn[0].bv_len = 0;
1444
delcsn[0].bv_val = cbuf;
1445
BER_BVZERO(&delcsn[1]);
1447
/* Make a copy of the relevant UUIDs. Put the Deletes up front
1448
* and everything else at the end. Do this first so we can
1449
* unlock the list mutex.
1451
Debug( LDAP_DEBUG_SYNC, "srs csn %s\n",
1452
srs->sr_state.ctxcsn[0].bv_val, 0, 0 );
1453
for ( se=sl->sl_head; se; se=se->se_next ) {
1455
Debug( LDAP_DEBUG_SYNC, "log csn %s\n", se->se_csn.bv_val, 0, 0 );
1457
for ( k=0; k<srs->sr_state.numcsns; k++ ) {
1458
if ( se->se_sid == srs->sr_state.sids[k] ) {
1459
ndel = ber_bvcmp( &se->se_csn, &srs->sr_state.ctxcsn[k] );
1464
Debug( LDAP_DEBUG_SYNC, "cmp %d, too old\n", ndel, 0, 0 );
1468
for ( k=0; k<numcsns; k++ ) {
1469
if ( se->se_sid == sids[k] ) {
1470
ndel = ber_bvcmp( &se->se_csn, &ctxcsn[k] );
1475
Debug( LDAP_DEBUG_SYNC, "cmp %d, too new\n", ndel, 0, 0 );
1478
if ( se->se_tag == LDAP_REQ_DELETE ) {
1481
AC_MEMCPY( cbuf, se->se_csn.bv_val, se->se_csn.bv_len );
1482
delcsn[0].bv_len = se->se_csn.bv_len;
1483
delcsn[0].bv_val[delcsn[0].bv_len] = '\0';
1488
uuids[j].bv_val = uuids[0].bv_val + (j * UUID_LEN);
1489
AC_MEMCPY(uuids[j].bv_val, se->se_uuid.bv_val, UUID_LEN);
1490
uuids[j].bv_len = UUID_LEN;
1492
ldap_pvt_thread_mutex_unlock( &sl->sl_mutex );
1496
/* Zero out unused slots */
1497
for ( i=ndel; i < num - nmods; i++ )
1498
uuids[i].bv_len = 0;
1500
/* Mods must be validated to see if they belong in this delete set.
1504
/* Strip any duplicates */
1505
for ( i=0; i<nmods; i++ ) {
1506
for ( j=0; j<ndel; j++ ) {
1507
if ( bvmatch( &uuids[j], &uuids[num - 1 - i] )) {
1508
uuids[num - 1 - i].bv_len = 0;
1513
if ( uuids[num - 1 - i].bv_len == 0 ) continue;
1514
for ( j=0; j<i; j++ ) {
1515
if ( bvmatch( &uuids[num - 1 - j], &uuids[num - 1 - i] )) {
1516
uuids[num - 1 - i].bv_len = 0;
1525
SlapReply frs = { REP_RESULT };
1528
AttributeAssertion eq = ATTRIBUTEASSERTION_INIT;
1529
slap_callback cb = {0};
1533
fop.o_sync_mode = 0;
1534
fop.o_callback = &cb;
1535
fop.ors_limit = NULL;
1536
fop.ors_tlimit = SLAP_NO_LIMIT;
1537
fop.ors_attrs = slap_anlist_all_attributes;
1538
fop.ors_attrsonly = 0;
1539
fop.o_managedsait = SLAP_CONTROL_CRITICAL;
1541
af.f_choice = LDAP_FILTER_AND;
1544
mf.f_choice = LDAP_FILTER_EQUALITY;
1546
mf.f_av_desc = slap_schema.si_ad_entryUUID;
1547
mf.f_next = fop.ors_filter;
1549
fop.ors_filter = ⁡
1551
cb.sc_response = playlog_cb;
1552
fop.o_bd->bd_info = (BackendInfo *)on->on_info;
1554
for ( i=ndel; i<num; i++ ) {
1555
if ( uuids[i].bv_len == 0 ) continue;
1557
mf.f_av_value = uuids[i];
1558
cb.sc_private = NULL;
1560
frs.sr_nentries = 0;
1561
rc = fop.o_bd->be_search( &fop, &frs );
1563
/* If entry was not found, add to delete list */
1564
if ( !cb.sc_private ) {
1565
uuids[ndel++] = uuids[i];
1568
fop.o_bd->bd_info = (BackendInfo *)on;
1571
struct berval cookie;
1573
if ( delcsn[0].bv_len ) {
1574
slap_compose_sync_cookie( op, &cookie, delcsn, srs->sr_state.rid,
1575
srs->sr_state.sid );
1578
Debug( LDAP_DEBUG_SYNC, "syncprov_playlog: cookie=%s\n", cookie.bv_val, 0, 0 );
1580
uuids[ndel].bv_val = NULL;
1581
syncprov_sendinfo( op, rs, LDAP_TAG_SYNC_ID_SET,
1582
delcsn[0].bv_len ? &cookie : NULL, 0, uuids, 1 );
1583
op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );
1585
op->o_tmpfree( uuids, op->o_tmpmemctx );
1589
syncprov_op_response( Operation *op, SlapReply *rs )
1591
opcookie *opc = op->o_callback->sc_private;
1592
slap_overinst *on = opc->son;
1593
syncprov_info_t *si = on->on_bi.bi_private;
1596
if ( rs->sr_err == LDAP_SUCCESS )
1598
struct berval maxcsn = BER_BVNULL;
1599
char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
1600
int do_check = 0, have_psearches;
1602
/* Update our context CSN */
1604
ldap_pvt_thread_rdwr_wlock( &si->si_csn_rwlock );
1605
slap_get_commit_csn( op, &maxcsn );
1606
if ( BER_BVISNULL( &maxcsn ) && SLAP_GLUE_SUBORDINATE( op->o_bd )) {
1607
/* syncrepl queues the CSN values in the db where
1608
* it is configured , not where the changes are made.
1609
* So look for a value in the glue db if we didn't
1610
* find any in this db.
1612
BackendDB *be = op->o_bd;
1613
op->o_bd = select_backend( &be->be_nsuffix[0], 1);
1614
slap_get_commit_csn( op, &maxcsn );
1617
if ( !BER_BVISNULL( &maxcsn ) ) {
1619
strcpy( cbuf, maxcsn.bv_val );
1620
sid = slap_parse_csn_sid( &maxcsn );
1621
for ( i=0; i<si->si_numcsns; i++ ) {
1622
if ( sid == si->si_sids[i] ) {
1623
if ( ber_bvcmp( &maxcsn, &si->si_ctxcsn[i] ) > 0 ) {
1624
ber_bvreplace( &si->si_ctxcsn[i], &maxcsn );
1629
/* It's a new SID for us */
1630
if ( i == si->si_numcsns ) {
1631
value_add_one( &si->si_ctxcsn, &maxcsn );
1633
si->si_sids = ch_realloc( si->si_sids, si->si_numcsns *
1635
si->si_sids[i] = sid;
1638
/* internal ops that aren't meant to be replicated */
1639
ldap_pvt_thread_rdwr_wunlock( &si->si_csn_rwlock );
1640
return SLAP_CB_CONTINUE;
1643
/* Don't do any processing for consumer contextCSN updates */
1644
if ( SLAP_SYNC_SHADOW( op->o_bd ) &&
1645
op->o_msgid == SLAP_SYNC_UPDATE_MSGID ) {
1646
ldap_pvt_thread_rdwr_wunlock( &si->si_csn_rwlock );
1647
return SLAP_CB_CONTINUE;
1651
if ( si->si_chkops || si->si_chktime ) {
1652
if ( si->si_chkops && si->si_numops >= si->si_chkops ) {
1656
if ( si->si_chktime &&
1657
(op->o_time - si->si_chklast >= si->si_chktime )) {
1658
if ( si->si_chklast ) {
1660
si->si_chklast = op->o_time;
1666
ldap_pvt_thread_rdwr_wunlock( &si->si_csn_rwlock );
1669
ldap_pvt_thread_rdwr_rlock( &si->si_csn_rwlock );
1670
syncprov_checkpoint( op, rs, on );
1671
ldap_pvt_thread_rdwr_runlock( &si->si_csn_rwlock );
1674
opc->sctxcsn.bv_len = maxcsn.bv_len;
1675
opc->sctxcsn.bv_val = cbuf;
1677
/* Handle any persistent searches */
1678
ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
1679
have_psearches = ( si->si_ops != NULL );
1680
ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
1681
if ( have_psearches ) {
1684
case LDAP_REQ_MODIFY:
1685
case LDAP_REQ_MODRDN:
1686
case LDAP_REQ_EXTENDED:
1687
syncprov_matchops( op, opc, 0 );
1689
case LDAP_REQ_DELETE:
1690
/* for each match in opc->smatches:
1693
for ( sm = opc->smatches; sm; sm=sm->sm_next ) {
1694
if ( sm->sm_op->s_op->o_abandon )
1696
syncprov_qresp( opc, sm->sm_op, LDAP_SYNC_DELETE );
1702
/* Add any log records */
1703
if ( si->si_logs && op->o_tag != LDAP_REQ_ADD ) {
1704
syncprov_add_slog( op );
1708
return SLAP_CB_CONTINUE;
1711
/* We don't use a subentry to store the context CSN any more.
1712
* We expose the current context CSN as an operational attribute
1713
* of the suffix entry.
1716
syncprov_op_compare( Operation *op, SlapReply *rs )
1718
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1719
syncprov_info_t *si = on->on_bi.bi_private;
1720
int rc = SLAP_CB_CONTINUE;
1722
if ( dn_match( &op->o_req_ndn, op->o_bd->be_nsuffix ) &&
1723
op->oq_compare.rs_ava->aa_desc == slap_schema.si_ad_contextCSN )
1728
e.e_name = op->o_bd->be_suffix[0];
1729
e.e_nname = op->o_bd->be_nsuffix[0];
1732
a.a_desc = slap_schema.si_ad_contextCSN;
1734
ldap_pvt_thread_rdwr_rlock( &si->si_csn_rwlock );
1736
a.a_vals = si->si_ctxcsn;
1737
a.a_nvals = a.a_vals;
1739
rs->sr_err = access_allowed( op, &e, op->oq_compare.rs_ava->aa_desc,
1740
&op->oq_compare.rs_ava->aa_value, ACL_COMPARE, NULL );
1741
if ( ! rs->sr_err ) {
1742
rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
1743
goto return_results;
1746
if ( get_assert( op ) &&
1747
( test_filter( op, &e, get_assertion( op ) ) != LDAP_COMPARE_TRUE ) )
1749
rs->sr_err = LDAP_ASSERTION_FAILED;
1750
goto return_results;
1754
rs->sr_err = LDAP_COMPARE_FALSE;
1756
if ( attr_valfind( &a,
1757
SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
1758
SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
1759
&op->oq_compare.rs_ava->aa_value, NULL, op->o_tmpmemctx ) == 0 )
1761
rs->sr_err = LDAP_COMPARE_TRUE;
1766
ldap_pvt_thread_rdwr_runlock( &si->si_csn_rwlock );
1768
send_ldap_result( op, rs );
1770
if( rs->sr_err == LDAP_COMPARE_FALSE || rs->sr_err == LDAP_COMPARE_TRUE ) {
1771
rs->sr_err = LDAP_SUCCESS;
1780
syncprov_op_mod( Operation *op, SlapReply *rs )
1782
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1783
syncprov_info_t *si = on->on_bi.bi_private;
1786
int have_psearches, cbsize;
1788
ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
1789
have_psearches = ( si->si_ops != NULL );
1790
ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
1792
cbsize = sizeof(slap_callback) + sizeof(opcookie) +
1793
(have_psearches ? sizeof(modinst) : 0 );
1795
cb = op->o_tmpcalloc(1, cbsize, op->o_tmpmemctx);
1796
opc = (opcookie *)(cb+1);
1798
cb->sc_response = syncprov_op_response;
1799
cb->sc_cleanup = syncprov_op_cleanup;
1800
cb->sc_private = opc;
1801
cb->sc_next = op->o_callback;
1802
op->o_callback = cb;
1804
/* If there are active persistent searches, lock this operation.
1805
* See seqmod.c for the locking logic on its own.
1807
if ( have_psearches ) {
1808
modtarget *mt, mtdummy;
1811
mi = (modinst *)(opc+1);
1814
/* See if we're already modifying this entry... */
1816
ldap_pvt_thread_mutex_lock( &si->si_mods_mutex );
1817
mt = avl_find( si->si_mods, &mtdummy, sp_avl_cmp );
1819
ldap_pvt_thread_mutex_lock( &mt->mt_mutex );
1820
ldap_pvt_thread_mutex_unlock( &si->si_mods_mutex );
1821
mt->mt_tail->mi_next = mi;
1823
/* wait for this op to get to head of list */
1824
while ( mt->mt_mods != mi ) {
1825
ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
1826
/* FIXME: if dynamic config can delete overlays or
1827
* databases we'll have to check for cleanup here.
1828
* Currently it's not an issue because there are
1829
* no dynamic config deletes...
1831
if ( !ldap_pvt_thread_pool_pausecheck( &connection_pool ))
1832
ldap_pvt_thread_yield();
1833
ldap_pvt_thread_mutex_lock( &mt->mt_mutex );
1835
/* clean up if the caller is giving up */
1836
if ( op->o_abandon ) {
1838
for ( m2 = mt->mt_mods; m2->mi_next != mi;
1840
m2->mi_next = mi->mi_next;
1841
if ( mt->mt_tail == mi ) mt->mt_tail = m2;
1842
op->o_tmpfree( cb, op->o_tmpmemctx );
1843
ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
1844
return SLAPD_ABANDON;
1847
ldap_pvt_thread_mutex_unlock( &mt->mt_mutex );
1849
/* Record that we're modifying this entry now */
1850
mt = ch_malloc( sizeof(modtarget) );
1853
mt->mt_op = mi->mi_op;
1854
ldap_pvt_thread_mutex_init( &mt->mt_mutex );
1855
avl_insert( &si->si_mods, mt, sp_avl_cmp, avl_dup_error );
1856
ldap_pvt_thread_mutex_unlock( &si->si_mods_mutex );
1860
if (( have_psearches || si->si_logs ) && op->o_tag != LDAP_REQ_ADD )
1861
syncprov_matchops( op, opc, 1 );
1863
return SLAP_CB_CONTINUE;
1867
syncprov_op_extended( Operation *op, SlapReply *rs )
1869
if ( exop_is_write( op ))
1870
return syncprov_op_mod( op, rs );
1872
return SLAP_CB_CONTINUE;
1875
typedef struct searchstate {
1876
slap_overinst *ss_on;
1878
BerVarray ss_ctxcsn;
1881
#define SS_PRESENT 0x01
1882
#define SS_CHANGED 0x02
1887
syncprov_search_cleanup( Operation *op, SlapReply *rs )
1889
if ( rs->sr_ctrls ) {
1890
op->o_tmpfree( rs->sr_ctrls[0], op->o_tmpmemctx );
1891
op->o_tmpfree( rs->sr_ctrls, op->o_tmpmemctx );
1892
rs->sr_ctrls = NULL;
1897
typedef struct SyncOperationBuffer {
1901
AttributeName sob_extra; /* not always present */
1902
/* Further data allocated here */
1903
} SyncOperationBuffer;
1906
syncprov_detach_op( Operation *op, syncops *so, slap_overinst *on )
1908
SyncOperationBuffer *sopbuf2;
1913
GroupAssertion *g1, *g2;
1915
/* count the search attrs */
1916
for (i=0; op->ors_attrs && !BER_BVISNULL( &op->ors_attrs[i].an_name ); i++) {
1917
alen += op->ors_attrs[i].an_name.bv_len + 1;
1919
/* Make a new copy of the operation */
1920
size = offsetof( SyncOperationBuffer, sob_extra ) +
1921
(i ? ( (i+1) * sizeof(AttributeName) + alen) : 0) +
1922
op->o_req_dn.bv_len + 1 +
1923
op->o_req_ndn.bv_len + 1 +
1924
op->o_ndn.bv_len + 1 +
1925
so->s_filterstr.bv_len + 1;
1926
sopbuf2 = ch_calloc( 1, size );
1927
op2 = &sopbuf2->sob_op;
1928
op2->o_hdr = &sopbuf2->sob_hdr;
1929
LDAP_SLIST_FIRST(&op2->o_extra) = &sopbuf2->sob_oe;
1931
/* Copy the fields we care about explicitly, leave the rest alone */
1932
*op2->o_hdr = *op->o_hdr;
1933
op2->o_tag = op->o_tag;
1934
op2->o_time = op->o_time;
1935
op2->o_bd = on->on_info->oi_origdb;
1936
op2->o_request = op->o_request;
1937
LDAP_SLIST_FIRST(&op2->o_extra)->oe_key = on;
1938
LDAP_SLIST_NEXT(LDAP_SLIST_FIRST(&op2->o_extra), oe_next) = NULL;
1940
ptr = (char *) sopbuf2 + offsetof( SyncOperationBuffer, sob_extra );
1942
op2->ors_attrs = (AttributeName *) ptr;
1943
ptr = (char *) &op2->ors_attrs[i+1];
1944
for (i=0; !BER_BVISNULL( &op->ors_attrs[i].an_name ); i++) {
1945
op2->ors_attrs[i] = op->ors_attrs[i];
1946
op2->ors_attrs[i].an_name.bv_val = ptr;
1947
ptr = lutil_strcopy( ptr, op->ors_attrs[i].an_name.bv_val ) + 1;
1949
BER_BVZERO( &op2->ors_attrs[i].an_name );
1952
op2->o_authz = op->o_authz;
1953
op2->o_ndn.bv_val = ptr;
1954
ptr = lutil_strcopy(ptr, op->o_ndn.bv_val) + 1;
1955
op2->o_dn = op2->o_ndn;
1956
op2->o_req_dn.bv_len = op->o_req_dn.bv_len;
1957
op2->o_req_dn.bv_val = ptr;
1958
ptr = lutil_strcopy(ptr, op->o_req_dn.bv_val) + 1;
1959
op2->o_req_ndn.bv_len = op->o_req_ndn.bv_len;
1960
op2->o_req_ndn.bv_val = ptr;
1961
ptr = lutil_strcopy(ptr, op->o_req_ndn.bv_val) + 1;
1962
op2->ors_filterstr.bv_val = ptr;
1963
strcpy( ptr, so->s_filterstr.bv_val );
1964
op2->ors_filterstr.bv_len = so->s_filterstr.bv_len;
1966
/* Skip the AND/GE clause that we stuck on in front */
1967
if ( so->s_flags & PS_FIX_FILTER ) {
1968
op2->ors_filter = op->ors_filter->f_and->f_next;
1969
so->s_flags ^= PS_FIX_FILTER;
1971
op2->ors_filter = op->ors_filter;
1973
op2->ors_filter = filter_dup( op2->ors_filter, NULL );
1976
/* Copy any cached group ACLs individually */
1977
op2->o_groups = NULL;
1978
for ( g1=op->o_groups; g1; g1=g1->ga_next ) {
1979
g2 = ch_malloc( sizeof(GroupAssertion) + g1->ga_len );
1981
strcpy( g2->ga_ndn, g1->ga_ndn );
1982
g2->ga_next = op2->o_groups;
1985
/* Don't allow any further group caching */
1986
op2->o_do_not_cache = 1;
1988
/* Add op2 to conn so abandon will find us */
1989
op->o_conn->c_n_ops_executing++;
1990
op->o_conn->c_n_ops_completed--;
1991
LDAP_STAILQ_INSERT_TAIL( &op->o_conn->c_ops, op2, o_next );
1992
so->s_flags |= PS_IS_DETACHED;
1994
/* Prevent anyone else from trying to send a result for this op */
1999
syncprov_search_response( Operation *op, SlapReply *rs )
2001
searchstate *ss = op->o_callback->sc_private;
2002
slap_overinst *on = ss->ss_on;
2003
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
2004
sync_control *srs = op->o_controls[slap_cids.sc_LDAPsync];
2006
if ( rs->sr_type == REP_SEARCH || rs->sr_type == REP_SEARCHREF ) {
2008
/* If we got a referral without a referral object, there's
2009
* something missing that we cannot replicate. Just ignore it.
2010
* The consumer will abort because we didn't send the expected
2013
if ( !rs->sr_entry ) {
2014
assert( rs->sr_entry != NULL );
2015
Debug( LDAP_DEBUG_ANY, "bogus referral in context\n",0,0,0 );
2016
return SLAP_CB_CONTINUE;
2018
a = attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryCSN );
2019
if ( a == NULL && rs->sr_operational_attrs != NULL ) {
2020
a = attr_find( rs->sr_operational_attrs, slap_schema.si_ad_entryCSN );
2024
sid = slap_parse_csn_sid( &a->a_nvals[0] );
2026
/* Don't send changed entries back to the originator */
2027
if ( sid == srs->sr_state.sid && srs->sr_state.numcsns ) {
2028
Debug( LDAP_DEBUG_SYNC,
2029
"Entry %s changed by peer, ignored\n",
2030
rs->sr_entry->e_name.bv_val, 0, 0 );
2031
return LDAP_SUCCESS;
2034
/* If not a persistent search */
2036
/* Make sure entry is less than the snapshot'd contextCSN */
2037
for ( i=0; i<ss->ss_numcsns; i++ ) {
2038
if ( sid == ss->ss_sids[i] && ber_bvcmp( &a->a_nvals[0],
2039
&ss->ss_ctxcsn[i] ) > 0 ) {
2040
Debug( LDAP_DEBUG_SYNC,
2041
"Entry %s CSN %s greater than snapshot %s\n",
2042
rs->sr_entry->e_name.bv_val,
2043
a->a_nvals[0].bv_val,
2044
ss->ss_ctxcsn[i].bv_val );
2045
return LDAP_SUCCESS;
2050
/* Don't send old entries twice */
2051
if ( srs->sr_state.ctxcsn ) {
2052
for ( i=0; i<srs->sr_state.numcsns; i++ ) {
2053
if ( sid == srs->sr_state.sids[i] &&
2054
ber_bvcmp( &a->a_nvals[0],
2055
&srs->sr_state.ctxcsn[i] )<= 0 ) {
2056
Debug( LDAP_DEBUG_SYNC,
2057
"Entry %s CSN %s older or equal to ctx %s\n",
2058
rs->sr_entry->e_name.bv_val,
2059
a->a_nvals[0].bv_val,
2060
srs->sr_state.ctxcsn[i].bv_val );
2061
return LDAP_SUCCESS;
2066
rs->sr_ctrls = op->o_tmpalloc( sizeof(LDAPControl *)*2,
2068
rs->sr_ctrls[1] = NULL;
2069
/* If we're in delta-sync mode, always send a cookie */
2070
if ( si->si_nopres && si->si_usehint && a ) {
2071
struct berval cookie;
2072
slap_compose_sync_cookie( op, &cookie, a->a_nvals, srs->sr_state.rid, srs->sr_state.sid );
2073
rs->sr_err = syncprov_state_ctrl( op, rs, rs->sr_entry,
2074
LDAP_SYNC_ADD, rs->sr_ctrls, 0, 1, &cookie );
2076
rs->sr_err = syncprov_state_ctrl( op, rs, rs->sr_entry,
2077
LDAP_SYNC_ADD, rs->sr_ctrls, 0, 0, NULL );
2079
} else if ( rs->sr_type == REP_RESULT && rs->sr_err == LDAP_SUCCESS ) {
2080
struct berval cookie;
2082
if ( ss->ss_flags & SS_CHANGED ) {
2083
slap_compose_sync_cookie( op, &cookie, ss->ss_ctxcsn,
2084
srs->sr_state.rid, srs->sr_state.sid );
2086
Debug( LDAP_DEBUG_SYNC, "syncprov_search_response: cookie=%s\n", cookie.bv_val, 0, 0 );
2089
/* Is this a regular refresh?
2090
* Note: refresh never gets here if there were no changes
2093
rs->sr_ctrls = op->o_tmpalloc( sizeof(LDAPControl *)*2,
2095
rs->sr_ctrls[1] = NULL;
2096
rs->sr_err = syncprov_done_ctrl( op, rs, rs->sr_ctrls,
2097
0, 1, &cookie, ( ss->ss_flags & SS_PRESENT ) ? LDAP_SYNC_REFRESH_PRESENTS :
2098
LDAP_SYNC_REFRESH_DELETES );
2099
op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );
2101
/* It's RefreshAndPersist, transition to Persist phase */
2102
syncprov_sendinfo( op, rs, ( ss->ss_flags & SS_PRESENT ) ?
2103
LDAP_TAG_SYNC_REFRESH_PRESENT : LDAP_TAG_SYNC_REFRESH_DELETE,
2104
( ss->ss_flags & SS_CHANGED ) ? &cookie : NULL,
2106
if ( ss->ss_flags & SS_CHANGED )
2107
op->o_tmpfree( cookie.bv_val, op->o_tmpmemctx );
2109
/* Detach this Op from frontend control */
2110
ldap_pvt_thread_mutex_lock( &ss->ss_so->s_mutex );
2111
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
2113
/* But not if this connection was closed along the way */
2114
if ( op->o_abandon ) {
2115
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
2116
ldap_pvt_thread_mutex_unlock( &ss->ss_so->s_mutex );
2117
/* syncprov_ab_cleanup will free this syncop */
2118
return SLAPD_ABANDON;
2121
/* Turn off the refreshing flag */
2122
ss->ss_so->s_flags ^= PS_IS_REFRESHING;
2124
syncprov_detach_op( op, ss->ss_so, on );
2126
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
2128
/* If there are queued responses, fire them off */
2129
if ( ss->ss_so->s_res )
2130
syncprov_qstart( ss->ss_so );
2132
ldap_pvt_thread_mutex_unlock( &ss->ss_so->s_mutex );
2134
return LDAP_SUCCESS;
2138
return SLAP_CB_CONTINUE;
2142
syncprov_op_search( Operation *op, SlapReply *rs )
2144
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
2145
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
2147
int gotstate = 0, changed = 0, do_present = 0;
2148
syncops *sop = NULL;
2152
int i, *sids, numcsns;
2153
struct berval mincsn;
2155
if ( !(op->o_sync_mode & SLAP_SYNC_REFRESH) ) return SLAP_CB_CONTINUE;
2157
if ( op->ors_deref & LDAP_DEREF_SEARCHING ) {
2158
send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "illegal value for derefAliases" );
2162
srs = op->o_controls[slap_cids.sc_LDAPsync];
2163
op->o_managedsait = SLAP_CONTROL_NONCRITICAL;
2165
/* If this is a persistent search, set it up right away */
2166
if ( op->o_sync_mode & SLAP_SYNC_PERSIST ) {
2176
so.s_flags = PS_IS_REFRESHING | PS_FIND_BASE;
2177
/* syncprov_findbase expects to be called as a callback... */
2178
sc.sc_private = &opc;
2180
ldap_pvt_thread_mutex_init( &so.s_mutex );
2181
cb = op->o_callback;
2182
op->o_callback = ≻
2183
rs->sr_err = syncprov_findbase( op, &fc );
2184
op->o_callback = cb;
2185
ldap_pvt_thread_mutex_destroy( &so.s_mutex );
2187
if ( rs->sr_err != LDAP_SUCCESS ) {
2188
send_ldap_result( op, rs );
2191
sop = ch_malloc( sizeof( syncops ));
2193
ldap_pvt_thread_mutex_init( &sop->s_mutex );
2194
sop->s_rid = srs->sr_state.rid;
2195
sop->s_sid = srs->sr_state.sid;
2198
ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
2199
sop->s_next = si->si_ops;
2201
ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
2204
/* snapshot the ctxcsn */
2205
ldap_pvt_thread_rdwr_rlock( &si->si_csn_rwlock );
2206
numcsns = si->si_numcsns;
2208
ber_bvarray_dup_x( &ctxcsn, si->si_ctxcsn, op->o_tmpmemctx );
2209
sids = op->o_tmpalloc( numcsns * sizeof(int), op->o_tmpmemctx );
2210
for ( i=0; i<numcsns; i++ )
2211
sids[i] = si->si_sids[i];
2216
ldap_pvt_thread_rdwr_runlock( &si->si_csn_rwlock );
2218
/* If we have a cookie, handle the PRESENT lookups */
2219
if ( srs->sr_state.ctxcsn ) {
2223
/* If we don't have any CSN of our own yet, pretend nothing
2229
if ( !si->si_nopres )
2230
do_present = SS_PRESENT;
2232
/* If there are SIDs we don't recognize in the cookie, drop them */
2233
for (i=0; i<srs->sr_state.numcsns; ) {
2234
for (j=0; j<numcsns; j++) {
2235
if ( srs->sr_state.sids[i] == sids[j] ) {
2240
if ( j == numcsns ) {
2241
struct berval tmp = srs->sr_state.ctxcsn[i];
2242
j = srs->sr_state.numcsns - 1;
2243
srs->sr_state.ctxcsn[i] = srs->sr_state.ctxcsn[j];
2245
srs->sr_state.ctxcsn[j] = tmp;
2246
srs->sr_state.numcsns = j;
2247
srs->sr_state.sids[i] = srs->sr_state.sids[j];
2253
/* Find the smallest CSN */
2254
mincsn = srs->sr_state.ctxcsn[0];
2255
for ( i=1; i<srs->sr_state.numcsns; i++ ) {
2256
if ( ber_bvcmp( &mincsn, &srs->sr_state.ctxcsn[i] ) > 0 )
2257
mincsn = srs->sr_state.ctxcsn[i];
2260
/* If nothing has changed, shortcut it */
2261
if ( srs->sr_state.numcsns == numcsns ) {
2263
for ( i=0; i<srs->sr_state.numcsns; i++ ) {
2264
for ( j=0; j<numcsns; j++ ) {
2265
if ( srs->sr_state.sids[i] != sids[j] )
2267
if ( !bvmatch( &srs->sr_state.ctxcsn[i], &ctxcsn[j] ))
2268
changed = SS_CHANGED;
2276
no_change: if ( !(op->o_sync_mode & SLAP_SYNC_PERSIST) ) {
2277
LDAPControl *ctrls[2];
2281
syncprov_done_ctrl( op, rs, ctrls, 0, 0,
2282
NULL, LDAP_SYNC_REFRESH_DELETES );
2283
rs->sr_ctrls = ctrls;
2284
rs->sr_err = LDAP_SUCCESS;
2285
send_ldap_result( op, rs );
2286
rs->sr_ctrls = NULL;
2292
/* consumer doesn't have the right number of CSNs */
2293
changed = SS_CHANGED;
2295
/* Do we have a sessionlog for this search? */
2298
ldap_pvt_thread_mutex_lock( &sl->sl_mutex );
2299
/* Are there any log entries, and is the consumer state
2300
* present in the session log?
2302
if ( sl->sl_num > 0 && ber_bvcmp( &mincsn, &sl->sl_mincsn ) >= 0 ) {
2304
/* mutex is unlocked in playlog */
2305
syncprov_playlog( op, rs, sl, srs, ctxcsn, numcsns, sids );
2307
ldap_pvt_thread_mutex_unlock( &sl->sl_mutex );
2310
/* Is the CSN still present in the database? */
2311
if ( syncprov_findcsn( op, FIND_CSN ) != LDAP_SUCCESS ) {
2312
/* No, so a reload is required */
2313
/* the 2.2 consumer doesn't send this hint */
2314
if ( si->si_usehint && srs->sr_rhint == 0 ) {
2316
ber_bvarray_free_x( ctxcsn, op->o_tmpmemctx );
2318
op->o_tmpfree( sids, op->o_tmpmemctx );
2319
send_ldap_error( op, rs, LDAP_SYNC_REFRESH_REQUIRED, "sync cookie is stale" );
2324
/* If changed and doing Present lookup, send Present UUIDs */
2325
if ( do_present && syncprov_findcsn( op, FIND_PRESENT ) !=
2328
ber_bvarray_free_x( ctxcsn, op->o_tmpmemctx );
2330
op->o_tmpfree( sids, op->o_tmpmemctx );
2331
send_ldap_result( op, rs );
2336
/* No consumer state, assume something has changed */
2337
changed = SS_CHANGED;
2341
/* Append CSN range to search filter, save original filter
2342
* for persistent search evaluation
2345
sop->s_filterstr= op->ors_filterstr;
2348
/* If something changed, find the changes */
2349
if ( gotstate && changed ) {
2350
Filter *fand, *fava;
2352
fand = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
2353
fand->f_choice = LDAP_FILTER_AND;
2354
fand->f_next = NULL;
2355
fava = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
2357
fava->f_choice = LDAP_FILTER_GE;
2358
fava->f_ava = op->o_tmpalloc( sizeof(AttributeAssertion), op->o_tmpmemctx );
2359
fava->f_ava->aa_desc = slap_schema.si_ad_entryCSN;
2360
#ifdef LDAP_COMP_MATCH
2361
fava->f_ava->aa_cf = NULL;
2363
ber_dupbv_x( &fava->f_ava->aa_value, &mincsn, op->o_tmpmemctx );
2364
fava->f_next = op->ors_filter;
2365
op->ors_filter = fand;
2366
filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
2368
sop->s_flags |= PS_FIX_FILTER;
2371
/* Let our callback add needed info to returned entries */
2372
cb = op->o_tmpcalloc(1, sizeof(slap_callback)+sizeof(searchstate), op->o_tmpmemctx);
2373
ss = (searchstate *)(cb+1);
2376
ss->ss_flags = do_present | changed;
2377
ss->ss_ctxcsn = ctxcsn;
2378
ss->ss_numcsns = numcsns;
2380
cb->sc_response = syncprov_search_response;
2381
cb->sc_cleanup = syncprov_search_cleanup;
2382
cb->sc_private = ss;
2383
cb->sc_next = op->o_callback;
2384
op->o_callback = cb;
2386
/* If this is a persistent search and no changes were reported during
2387
* the refresh phase, just invoke the response callback to transition
2388
* us into persist phase
2391
rs->sr_err = LDAP_SUCCESS;
2392
rs->sr_nentries = 0;
2393
send_ldap_result( op, rs );
2396
return SLAP_CB_CONTINUE;
2400
syncprov_operational(
2404
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
2405
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
2407
/* This prevents generating unnecessarily; frontend will strip
2408
* any statically stored copy.
2410
if ( op->o_sync != SLAP_CONTROL_NONE )
2411
return SLAP_CB_CONTINUE;
2413
if ( rs->sr_entry &&
2414
dn_match( &rs->sr_entry->e_nname, op->o_bd->be_nsuffix )) {
2416
if ( SLAP_OPATTRS( rs->sr_attr_flags ) ||
2417
ad_inlist( slap_schema.si_ad_contextCSN, rs->sr_attrs )) {
2418
Attribute *a, **ap = NULL;
2420
for ( a=rs->sr_entry->e_attrs; a; a=a->a_next ) {
2421
if ( a->a_desc == slap_schema.si_ad_contextCSN )
2425
ldap_pvt_thread_rdwr_rlock( &si->si_csn_rwlock );
2426
if ( si->si_ctxcsn ) {
2428
for ( ap = &rs->sr_operational_attrs; *ap;
2429
ap=&(*ap)->a_next );
2431
a = attr_alloc( slap_schema.si_ad_contextCSN );
2436
if ( !(rs->sr_flags & REP_ENTRY_MODIFIABLE) ) {
2437
Entry *e = entry_dup( rs->sr_entry );
2438
if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
2439
overlay_entry_release_ov( op, rs->sr_entry, 0, on );
2440
rs->sr_flags ^= REP_ENTRY_MUSTRELEASE;
2441
} else if ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) {
2442
entry_free( rs->sr_entry );
2446
REP_ENTRY_MODIFIABLE|REP_ENTRY_MUSTBEFREED;
2447
a = attr_find( rs->sr_entry->e_attrs,
2448
slap_schema.si_ad_contextCSN );
2450
if ( a->a_nvals != a->a_vals ) {
2451
ber_bvarray_free( a->a_nvals );
2454
ber_bvarray_free( a->a_vals );
2458
attr_valadd( a, si->si_ctxcsn, si->si_ctxcsn, si->si_numcsns );
2460
ldap_pvt_thread_rdwr_runlock( &si->si_csn_rwlock );
2463
return SLAP_CB_CONTINUE;
2473
static ConfigDriver sp_cf_gen;
2475
static ConfigTable spcfg[] = {
2476
{ "syncprov-checkpoint", "ops> <minutes", 3, 3, 0, ARG_MAGIC|SP_CHKPT,
2477
sp_cf_gen, "( OLcfgOvAt:1.1 NAME 'olcSpCheckpoint' "
2478
"DESC 'ContextCSN checkpoint interval in ops and minutes' "
2479
"SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
2480
{ "syncprov-sessionlog", "ops", 2, 2, 0, ARG_INT|ARG_MAGIC|SP_SESSL,
2481
sp_cf_gen, "( OLcfgOvAt:1.2 NAME 'olcSpSessionlog' "
2482
"DESC 'Session log size in ops' "
2483
"SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL },
2484
{ "syncprov-nopresent", NULL, 2, 2, 0, ARG_ON_OFF|ARG_MAGIC|SP_NOPRES,
2485
sp_cf_gen, "( OLcfgOvAt:1.3 NAME 'olcSpNoPresent' "
2486
"DESC 'Omit Present phase processing' "
2487
"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
2488
{ "syncprov-reloadhint", NULL, 2, 2, 0, ARG_ON_OFF|ARG_MAGIC|SP_USEHINT,
2489
sp_cf_gen, "( OLcfgOvAt:1.4 NAME 'olcSpReloadHint' "
2490
"DESC 'Observe Reload Hint in Request control' "
2491
"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
2492
{ NULL, NULL, 0, 0, 0, ARG_IGNORED }
2495
static ConfigOCs spocs[] = {
2496
{ "( OLcfgOvOc:1.1 "
2497
"NAME 'olcSyncProvConfig' "
2498
"DESC 'SyncRepl Provider configuration' "
2499
"SUP olcOverlayConfig "
2500
"MAY ( olcSpCheckpoint $ olcSpSessionlog $ olcSpNoPresent ) )",
2501
Cft_Overlay, spcfg },
2506
sp_cf_gen(ConfigArgs *c)
2508
slap_overinst *on = (slap_overinst *)c->bi;
2509
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
2512
if ( c->op == SLAP_CONFIG_EMIT ) {
2513
switch ( c->type ) {
2515
if ( si->si_chkops || si->si_chktime ) {
2517
bv.bv_len = snprintf( c->cr_msg, sizeof( c->cr_msg ),
2518
"%d %d", si->si_chkops, si->si_chktime );
2519
if ( bv.bv_len < 0 || bv.bv_len >= sizeof( c->cr_msg ) ) {
2522
bv.bv_val = c->cr_msg;
2523
value_add_one( &c->rvalue_vals, &bv );
2530
if ( si->si_logs ) {
2531
c->value_int = si->si_logs->sl_size;
2537
if ( si->si_nopres ) {
2544
if ( si->si_usehint ) {
2552
} else if ( c->op == LDAP_MOD_DELETE ) {
2553
switch ( c->type ) {
2560
si->si_logs->sl_size = 0;
2562
rc = LDAP_NO_SUCH_ATTRIBUTE;
2565
if ( si->si_nopres )
2568
rc = LDAP_NO_SUCH_ATTRIBUTE;
2571
if ( si->si_usehint )
2574
rc = LDAP_NO_SUCH_ATTRIBUTE;
2579
switch ( c->type ) {
2581
if ( lutil_atoi( &si->si_chkops, c->argv[1] ) != 0 ) {
2582
snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s unable to parse checkpoint ops # \"%s\"",
2583
c->argv[0], c->argv[1] );
2584
Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
2585
"%s: %s\n", c->log, c->cr_msg, 0 );
2586
return ARG_BAD_CONF;
2588
if ( si->si_chkops <= 0 ) {
2589
snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s invalid checkpoint ops # \"%d\"",
2590
c->argv[0], si->si_chkops );
2591
Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
2592
"%s: %s\n", c->log, c->cr_msg, 0 );
2593
return ARG_BAD_CONF;
2595
if ( lutil_atoi( &si->si_chktime, c->argv[2] ) != 0 ) {
2596
snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s unable to parse checkpoint time \"%s\"",
2597
c->argv[0], c->argv[1] );
2598
Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
2599
"%s: %s\n", c->log, c->cr_msg, 0 );
2600
return ARG_BAD_CONF;
2602
if ( si->si_chktime <= 0 ) {
2603
snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s invalid checkpoint time \"%d\"",
2604
c->argv[0], si->si_chkops );
2605
Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
2606
"%s: %s\n", c->log, c->cr_msg, 0 );
2607
return ARG_BAD_CONF;
2609
si->si_chktime *= 60;
2613
int size = c->value_int;
2616
snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s size %d is negative",
2618
Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
2619
"%s: %s\n", c->log, c->cr_msg, 0 );
2620
return ARG_BAD_CONF;
2624
sl = ch_malloc( sizeof( sessionlog ) + LDAP_LUTIL_CSNSTR_BUFSIZE );
2625
sl->sl_mincsn.bv_val = (char *)(sl+1);
2626
sl->sl_mincsn.bv_len = 0;
2628
sl->sl_head = sl->sl_tail = NULL;
2629
ldap_pvt_thread_mutex_init( &sl->sl_mutex );
2636
si->si_nopres = c->value_int;
2639
si->si_usehint = c->value_int;
2645
/* ITS#3456 we cannot run this search on the main thread, must use a
2646
* child thread in order to insure we have a big enough stack.
2653
syncprov_findcsn( ptr, FIND_MAXCSN );
2657
/* Read any existing contextCSN from the underlying db.
2658
* Then search for any entries newer than that. If no value exists,
2659
* just generate it. Cache whatever result.
2667
slap_overinst *on = (slap_overinst *) be->bd_info;
2668
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
2670
Connection conn = { 0 };
2671
OperationBuffer opbuf;
2676
void *thrctx = NULL;
2678
if ( !SLAP_LASTMOD( be )) {
2679
Debug( LDAP_DEBUG_ANY,
2680
"syncprov_db_open: invalid config, lastmod must be enabled\n", 0, 0, 0 );
2684
if ( slapMode & SLAP_TOOL_MODE ) {
2688
rc = overlay_register_control( be, LDAP_CONTROL_SYNC );
2693
thrctx = ldap_pvt_thread_pool_context();
2694
connection_fake_init( &conn, &opbuf, thrctx );
2697
op->o_dn = be->be_rootdn;
2698
op->o_ndn = be->be_rootndn;
2700
rc = overlay_entry_get_ov( op, be->be_nsuffix, NULL,
2701
slap_schema.si_ad_contextCSN, 0, &e, on );
2704
ldap_pvt_thread_t tid;
2706
a = attr_find( e->e_attrs, slap_schema.si_ad_contextCSN );
2708
ber_bvarray_dup_x( &si->si_ctxcsn, a->a_vals, NULL );
2709
si->si_numcsns = a->a_numvals;
2710
si->si_sids = slap_parse_csn_sids( si->si_ctxcsn, a->a_numvals, NULL );
2712
overlay_entry_release_ov( op, e, 0, on );
2713
if ( si->si_ctxcsn ) {
2714
op->o_req_dn = be->be_suffix[0];
2715
op->o_req_ndn = be->be_nsuffix[0];
2716
op->ors_scope = LDAP_SCOPE_SUBTREE;
2717
ldap_pvt_thread_create( &tid, 0, syncprov_db_otask, op );
2718
ldap_pvt_thread_join( tid, NULL );
2722
/* Didn't find a contextCSN, should we generate one? */
2723
if ( !si->si_ctxcsn ) {
2724
char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
2727
if ( SLAP_SYNC_SHADOW( op->o_bd )) {
2728
/* If we're also a consumer, then don't generate anything.
2729
* Wait for our provider to send it to us, or for a local
2730
* modify if we have multimaster.
2734
csn.bv_val = csnbuf;
2735
csn.bv_len = sizeof( csnbuf );
2736
slap_get_csn( op, &csn, 0 );
2737
value_add_one( &si->si_ctxcsn, &csn );
2739
si->si_sids = ch_malloc( sizeof(int) );
2740
si->si_sids[0] = slap_serverID;
2742
/* make sure we do a checkpoint on close */
2747
op->o_bd->bd_info = (BackendInfo *)on;
2751
/* Write the current contextCSN into the underlying db.
2759
slap_overinst *on = (slap_overinst *) be->bd_info;
2760
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
2762
if ( slapMode & SLAP_TOOL_MODE ) {
2765
if ( si->si_numops ) {
2766
Connection conn = {0};
2767
OperationBuffer opbuf;
2769
SlapReply rs = {REP_RESULT};
2772
thrctx = ldap_pvt_thread_pool_context();
2773
connection_fake_init( &conn, &opbuf, thrctx );
2776
op->o_dn = be->be_rootdn;
2777
op->o_ndn = be->be_rootndn;
2778
syncprov_checkpoint( op, &rs, on );
2790
slap_overinst *on = (slap_overinst *)be->bd_info;
2791
syncprov_info_t *si;
2793
if ( SLAP_ISGLOBALOVERLAY( be ) ) {
2794
Debug( LDAP_DEBUG_ANY,
2795
"syncprov must be instantiated within a database.\n",
2800
si = ch_calloc(1, sizeof(syncprov_info_t));
2801
on->on_bi.bi_private = si;
2802
ldap_pvt_thread_rdwr_init( &si->si_csn_rwlock );
2803
ldap_pvt_thread_mutex_init( &si->si_ops_mutex );
2804
ldap_pvt_thread_mutex_init( &si->si_mods_mutex );
2806
csn_anlist[0].an_desc = slap_schema.si_ad_entryCSN;
2807
csn_anlist[0].an_name = slap_schema.si_ad_entryCSN->ad_cname;
2808
csn_anlist[1].an_desc = slap_schema.si_ad_entryUUID;
2809
csn_anlist[1].an_name = slap_schema.si_ad_entryUUID->ad_cname;
2811
uuid_anlist[0].an_desc = slap_schema.si_ad_entryUUID;
2812
uuid_anlist[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
2818
syncprov_db_destroy(
2823
slap_overinst *on = (slap_overinst *)be->bd_info;
2824
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
2827
if ( si->si_logs ) {
2828
slog_entry *se = si->si_logs->sl_head;
2831
slog_entry *se_next = se->se_next;
2836
ch_free( si->si_logs );
2838
if ( si->si_ctxcsn )
2839
ber_bvarray_free( si->si_ctxcsn );
2841
ch_free( si->si_sids );
2842
ldap_pvt_thread_mutex_destroy( &si->si_mods_mutex );
2843
ldap_pvt_thread_mutex_destroy( &si->si_ops_mutex );
2844
ldap_pvt_thread_rdwr_destroy( &si->si_csn_rwlock );
2851
static int syncprov_parseCtrl (
2857
BerElementBuffer berbuf;
2858
BerElement *ber = (BerElement *)&berbuf;
2861
struct berval cookie = BER_BVNULL;
2865
if ( op->o_sync != SLAP_CONTROL_NONE ) {
2866
rs->sr_text = "Sync control specified multiple times";
2867
return LDAP_PROTOCOL_ERROR;
2870
if ( op->o_pagedresults != SLAP_CONTROL_NONE ) {
2871
rs->sr_text = "Sync control specified with pagedResults control";
2872
return LDAP_PROTOCOL_ERROR;
2875
if ( BER_BVISNULL( &ctrl->ldctl_value ) ) {
2876
rs->sr_text = "Sync control value is absent";
2877
return LDAP_PROTOCOL_ERROR;
2880
if ( BER_BVISEMPTY( &ctrl->ldctl_value ) ) {
2881
rs->sr_text = "Sync control value is empty";
2882
return LDAP_PROTOCOL_ERROR;
2885
/* Parse the control value
2886
* syncRequestValue ::= SEQUENCE {
2891
* refreshAndPersist (3)
2893
* cookie syncCookie OPTIONAL
2897
ber_init2( ber, &ctrl->ldctl_value, 0 );
2899
if ( (tag = ber_scanf( ber, "{i" /*}*/, &mode )) == LBER_ERROR ) {
2900
rs->sr_text = "Sync control : mode decoding error";
2901
return LDAP_PROTOCOL_ERROR;
2905
case LDAP_SYNC_REFRESH_ONLY:
2906
mode = SLAP_SYNC_REFRESH;
2908
case LDAP_SYNC_REFRESH_AND_PERSIST:
2909
mode = SLAP_SYNC_REFRESH_AND_PERSIST;
2912
rs->sr_text = "Sync control : unknown update mode";
2913
return LDAP_PROTOCOL_ERROR;
2916
tag = ber_peek_tag( ber, &len );
2918
if ( tag == LDAP_TAG_SYNC_COOKIE ) {
2919
if (( ber_scanf( ber, /*{*/ "m", &cookie )) == LBER_ERROR ) {
2920
rs->sr_text = "Sync control : cookie decoding error";
2921
return LDAP_PROTOCOL_ERROR;
2923
tag = ber_peek_tag( ber, &len );
2925
if ( tag == LDAP_TAG_RELOAD_HINT ) {
2926
if (( ber_scanf( ber, /*{*/ "b", &rhint )) == LBER_ERROR ) {
2927
rs->sr_text = "Sync control : rhint decoding error";
2928
return LDAP_PROTOCOL_ERROR;
2931
if (( ber_scanf( ber, /*{*/ "}")) == LBER_ERROR ) {
2932
rs->sr_text = "Sync control : decoding error";
2933
return LDAP_PROTOCOL_ERROR;
2935
sr = op->o_tmpcalloc( 1, sizeof(struct sync_control), op->o_tmpmemctx );
2936
sr->sr_rhint = rhint;
2937
if (!BER_BVISNULL(&cookie)) {
2938
ber_dupbv_x( &sr->sr_state.octet_str, &cookie, op->o_tmpmemctx );
2939
/* If parse fails, pretend no cookie was sent */
2940
if ( slap_parse_sync_cookie( &sr->sr_state, op->o_tmpmemctx ) ||
2941
sr->sr_state.rid == -1 ) {
2942
if ( sr->sr_state.ctxcsn ) {
2943
ber_bvarray_free_x( sr->sr_state.ctxcsn, op->o_tmpmemctx );
2944
sr->sr_state.ctxcsn = NULL;
2946
sr->sr_state.numcsns = 0;
2950
op->o_controls[slap_cids.sc_LDAPsync] = sr;
2952
op->o_sync = ctrl->ldctl_iscritical
2953
? SLAP_CONTROL_CRITICAL
2954
: SLAP_CONTROL_NONCRITICAL;
2956
op->o_sync_mode |= mode; /* o_sync_mode shares o_sync */
2958
return LDAP_SUCCESS;
2961
/* This overlay is set up for dynamic loading via moduleload. For static
2962
* configuration, you'll need to arrange for the slap_overinst to be
2963
* initialized and registered by some other function inside slapd.
2966
static slap_overinst syncprov;
2969
syncprov_initialize()
2973
rc = register_supported_control( LDAP_CONTROL_SYNC,
2974
SLAP_CTRL_SEARCH, NULL,
2975
syncprov_parseCtrl, &slap_cids.sc_LDAPsync );
2976
if ( rc != LDAP_SUCCESS ) {
2977
Debug( LDAP_DEBUG_ANY,
2978
"syncprov_init: Failed to register control %d\n", rc, 0, 0 );
2982
syncprov.on_bi.bi_type = "syncprov";
2983
syncprov.on_bi.bi_db_init = syncprov_db_init;
2984
syncprov.on_bi.bi_db_destroy = syncprov_db_destroy;
2985
syncprov.on_bi.bi_db_open = syncprov_db_open;
2986
syncprov.on_bi.bi_db_close = syncprov_db_close;
2988
syncprov.on_bi.bi_op_abandon = syncprov_op_abandon;
2989
syncprov.on_bi.bi_op_cancel = syncprov_op_abandon;
2991
syncprov.on_bi.bi_op_add = syncprov_op_mod;
2992
syncprov.on_bi.bi_op_compare = syncprov_op_compare;
2993
syncprov.on_bi.bi_op_delete = syncprov_op_mod;
2994
syncprov.on_bi.bi_op_modify = syncprov_op_mod;
2995
syncprov.on_bi.bi_op_modrdn = syncprov_op_mod;
2996
syncprov.on_bi.bi_op_search = syncprov_op_search;
2997
syncprov.on_bi.bi_extended = syncprov_op_extended;
2998
syncprov.on_bi.bi_operational = syncprov_operational;
3000
syncprov.on_bi.bi_cf_ocs = spocs;
3002
generic_filter.f_desc = slap_schema.si_ad_objectClass;
3004
rc = config_register_schema( spcfg, spocs );
3005
if ( rc ) return rc;
3007
return overlay_register( &syncprov );
3010
#if SLAPD_OVER_SYNCPROV == SLAPD_MOD_DYNAMIC
3012
init_module( int argc, char *argv[] )
3014
return syncprov_initialize();
3016
#endif /* SLAPD_OVER_SYNCPROV == SLAPD_MOD_DYNAMIC */
3018
#endif /* defined(SLAPD_OVER_SYNCPROV) */
added
removed
servers/slapd/overlays/syncprov.c
