#include "portable.h"
-#define SLAPD_OVER_SYNCPROV SLAPD_MOD_STATIC
-
#ifdef SLAPD_OVER_SYNCPROV
+#include <ac/string.h>
+#include "lutil.h"
#include "slap.h"
+/* A queued result of a persistent search */
+typedef struct syncres {
+ struct syncres *s_next;
+ struct berval s_dn;
+ struct berval s_ndn;
+ struct berval s_uuid;
+ struct berval s_csn;
+ char s_mode;
+ char s_isreference;
+} syncres;
+
/* Record of a persistent search */
typedef struct syncops {
struct syncops *s_next;
struct berval s_base; /* ndn of search base */
ID s_eid; /* entryID of search base */
Operation *s_op; /* search op */
+ long s_sid;
+ long s_rid;
+ struct berval s_filterstr;
+ int s_flags; /* search status */
+ struct syncres *s_res;
+ struct syncres *s_restail;
+ ldap_pvt_thread_mutex_t s_mutex;
} syncops;
+static int sync_cid;
+
+/* A received sync control */
+typedef struct sync_control {
+ struct sync_cookie sr_state;
+ int sr_rhint;
+} sync_control;
+
+/* o_sync_mode uses data bits of o_sync */
+#define o_sync o_ctrlflag[sync_cid]
+#define o_sync_mode o_ctrlflag[sync_cid]
+
+#define SLAP_SYNC_NONE (LDAP_SYNC_NONE<<SLAP_CONTROL_SHIFT)
+#define SLAP_SYNC_REFRESH (LDAP_SYNC_REFRESH_ONLY<<SLAP_CONTROL_SHIFT)
+#define SLAP_SYNC_PERSIST (LDAP_SYNC_RESERVED<<SLAP_CONTROL_SHIFT)
+#define SLAP_SYNC_REFRESH_AND_PERSIST (LDAP_SYNC_REFRESH_AND_PERSIST<<SLAP_CONTROL_SHIFT)
+
+#define PS_IS_REFRESHING 0x01
+
/* Record of which searches matched at premodify step */
typedef struct syncmatches {
struct syncmatches *sm_next;
} syncmatches;
typedef struct syncprov_info_t {
- Entry *si_e; /* cached ldapsync context */
syncops *si_ops;
- int si_chkops; /* checkpointing */
- int si_chktime;
- int si_numops; /* number of ops since last checkpoint */
- time_t si_chklast; /* time of last checkpoint */
- ldap_pvt_thread_mutex_t si_e_mutex;
- ldap_pvt_thread_mutex_t si_ops_mutex;
- ldap_pvt_thread_mutex_t si_chk_mutex;
+ struct berval si_ctxcsn; /* ldapsync context */
+ int si_gotcsn; /* is our ctxcsn up to date? */
+ ldap_pvt_thread_mutex_t si_csn_mutex;
+ ldap_pvt_thread_mutex_t si_ops_mutex;
+ char si_ctxcsnbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
} syncprov_info_t;
typedef struct opcookie {
slap_overinst *son;
syncmatches *smatches;
- struct berval suuid;
+ struct berval sdn; /* DN of entry, for deletes */
+ struct berval sndn;
+ struct berval suuid; /* UUID of entry */
+ struct berval sctxcsn;
+ int sreference; /* Is the entry a reference? */
} opcookie;
-typedef struct findcookie {
- ID fid;
- struct berval fdn;
-} findcookie;
+typedef struct fbase_cookie {
+ struct berval *fdn; /* DN of a modified entry, for scope testing */
+ syncops *fss; /* persistent search we're testing against */
+ int fbase; /* if TRUE we found the search base and it's still valid */
+ int fscope; /* if TRUE then fdn is within the psearch scope */
+} fbase_cookie;
+
+static AttributeName csn_anlist[2];
+static AttributeName uuid_anlist[2];
+
+static int
+syncprov_state_ctrl(
+ Operation *op,
+ SlapReply *rs,
+ Entry *e,
+ int entry_sync_state,
+ LDAPControl **ctrls,
+ int num_ctrls,
+ int send_cookie,
+ struct berval *cookie)
+{
+ Attribute* a;
+ int ret;
+ int res;
+ const char *text = NULL;
+
+ BerElementBuffer berbuf;
+ BerElement *ber = (BerElement *)&berbuf;
+
+ struct berval entryuuid_bv = BER_BVNULL;
+
+ ber_init2( ber, 0, LBER_USE_DER );
+ ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
+
+ ctrls[num_ctrls] = slap_sl_malloc ( sizeof ( LDAPControl ), op->o_tmpmemctx );
+
+ for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
+ AttributeDescription *desc = a->a_desc;
+ if ( desc == slap_schema.si_ad_entryUUID ) {
+ entryuuid_bv = a->a_nvals[0];
+ break;
+ }
+ }
+
+ if ( send_cookie && cookie ) {
+ ber_printf( ber, "{eOON}",
+ entry_sync_state, &entryuuid_bv, cookie );
+ } else {
+ ber_printf( ber, "{eON}",
+ entry_sync_state, &entryuuid_bv );
+ }
+
+ ctrls[num_ctrls]->ldctl_oid = LDAP_CONTROL_SYNC_STATE;
+ ctrls[num_ctrls]->ldctl_iscritical = (op->o_sync == SLAP_CONTROL_CRITICAL);
+ ret = ber_flatten2( ber, &ctrls[num_ctrls]->ldctl_value, 1 );
+
+ ber_free_buf( ber );
+
+ if ( ret < 0 ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_build_sync_ctrl: ber_flatten2 failed\n",
+ 0, 0, 0 );
+ send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
+ return ret;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+static int
+syncprov_done_ctrl(
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl **ctrls,
+ int num_ctrls,
+ int send_cookie,
+ struct berval *cookie,
+ int refreshDeletes )
+{
+ int ret;
+ BerElementBuffer berbuf;
+ BerElement *ber = (BerElement *)&berbuf;
+
+ ber_init2( ber, NULL, LBER_USE_DER );
+ ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
+
+ ctrls[num_ctrls] = ch_malloc ( sizeof ( LDAPControl ) );
+
+ ber_printf( ber, "{" );
+ if ( send_cookie && cookie ) {
+ ber_printf( ber, "O", cookie );
+ }
+ if ( refreshDeletes == LDAP_SYNC_REFRESH_DELETES ) {
+ ber_printf( ber, "b", refreshDeletes );
+ }
+ ber_printf( ber, "N}" );
+
+ ctrls[num_ctrls]->ldctl_oid = LDAP_CONTROL_SYNC_DONE;
+ ctrls[num_ctrls]->ldctl_iscritical = (op->o_sync == SLAP_CONTROL_CRITICAL);
+ ret = ber_flatten2( ber, &ctrls[num_ctrls]->ldctl_value, 1 );
+
+ ber_free_buf( ber );
+
+ if ( ret < 0 ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "syncprov_done_ctrl: ber_flatten2 failed\n",
+ 0, 0, 0 );
+ send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
+ return ret;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+
+static int
+syncprov_state_ctrl_from_slog(
+ Operation *op,
+ SlapReply *rs,
+ struct slog_entry *slog_e,
+ int entry_sync_state,
+ LDAPControl **ctrls,
+ int num_ctrls,
+ int send_cookie,
+ struct berval *cookie)
+{
+ Attribute* a;
+ int ret;
+ int res;
+ const char *text = NULL;
+
+ BerElementBuffer berbuf;
+ BerElement *ber = (BerElement *)&berbuf;
+
+ struct berval entryuuid_bv = BER_BVNULL;
+
+ ber_init2( ber, NULL, LBER_USE_DER );
+ ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
+
+ ctrls[num_ctrls] = ch_malloc ( sizeof ( LDAPControl ) );
+
+ entryuuid_bv = slog_e->sl_uuid;
+
+ if ( send_cookie && cookie ) {
+ ber_printf( ber, "{eOON}",
+ entry_sync_state, &entryuuid_bv, cookie );
+ } else {
+ ber_printf( ber, "{eON}",
+ entry_sync_state, &entryuuid_bv );
+ }
+
+ ctrls[num_ctrls]->ldctl_oid = LDAP_CONTROL_SYNC_STATE;
+ ctrls[num_ctrls]->ldctl_iscritical = (op->o_sync == SLAP_CONTROL_CRITICAL);
+ ret = ber_flatten2( ber, &ctrls[num_ctrls]->ldctl_value, 1 );
+
+ ber_free_buf( ber );
+
+ if ( ret < 0 ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_build_sync_ctrl: ber_flatten2 failed\n",
+ 0, 0, 0 );
+ send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
+ return ret;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+static int
+syncprov_sendinfo(
+ Operation *op,
+ SlapReply *rs,
+ int type,
+ struct berval *cookie,
+ int refreshDone,
+ BerVarray syncUUIDs,
+ int refreshDeletes )
+{
+ BerElementBuffer berbuf;
+ BerElement *ber = (BerElement *)&berbuf;
+ struct berval rspdata;
+
+ int ret;
+
+ ber_init2( ber, NULL, LBER_USE_DER );
+ ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
+
+ if ( type ) {
+ switch ( type ) {
+ case LDAP_TAG_SYNC_NEW_COOKIE:
+ ber_printf( ber, "tO", type, cookie );
+ break;
+ case LDAP_TAG_SYNC_REFRESH_DELETE:
+ case LDAP_TAG_SYNC_REFRESH_PRESENT:
+ ber_printf( ber, "t{", type );
+ if ( cookie ) {
+ ber_printf( ber, "O", cookie );
+ }
+ if ( refreshDone == 0 ) {
+ ber_printf( ber, "b", refreshDone );
+ }
+ ber_printf( ber, "N}" );
+ break;
+ case LDAP_TAG_SYNC_ID_SET:
+ ber_printf( ber, "t{", type );
+ if ( cookie ) {
+ ber_printf( ber, "O", cookie );
+ }
+ if ( refreshDeletes == 1 ) {
+ ber_printf( ber, "b", refreshDeletes );
+ }
+ ber_printf( ber, "[W]", syncUUIDs );
+ ber_printf( ber, "N}" );
+ break;
+ default:
+ Debug( LDAP_DEBUG_TRACE,
+ "syncprov_sendinfo: invalid syncinfo type (%d)\n",
+ type, 0, 0 );
+ return LDAP_OTHER;
+ }
+ }
+
+ ret = ber_flatten2( ber, &rspdata, 0 );
+
+ if ( ret < 0 ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "syncprov_sendinfo: ber_flatten2 failed\n",
+ 0, 0, 0 );
+ send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
+ return ret;
+ }
+ rs->sr_rspdata = &rspdata;
+ send_ldap_intermediate( op, rs );
+ rs->sr_rspdata = NULL;
+ ber_free_buf( ber );
+
+ return LDAP_SUCCESS;
+}
+/* syncprov_findbase:
+ * finds the true DN of the base of a search (with alias dereferencing) and
+ * checks to make sure the base entry doesn't get replaced with a different
+ * entry (e.g., swapping trees via ModDN, or retargeting an alias). If a
+ * change is detected, any persistent search on this base must be terminated /
+ * reloaded.
+ * On the first call, we just save the DN and entryID. On subsequent calls
+ * we compare the DN and entryID with the saved values.
+ */
static int
findbase_cb( Operation *op, SlapReply *rs )
{
slap_callback *sc = op->o_callback;
if ( rs->sr_type == REP_SEARCH && rs->sr_err == LDAP_SUCCESS ) {
- findcookie *fc = sc->sc_private;
- fc->fid = rs->sr_entry->e_id;
- ber_dupbv_x( &fc->fdn, &rs->sr_entry->e_nname, op->o_tmpmemctx );
+ fbase_cookie *fc = sc->sc_private;
+
+ /* If no entryID, we're looking for the first time.
+ * Just store whatever we got.
+ */
+ if ( fc->fss->s_eid == NOID ) {
+ fc->fbase = 1;
+ fc->fss->s_eid = rs->sr_entry->e_id;
+ ber_dupbv( &fc->fss->s_base, &rs->sr_entry->e_nname );
+
+ } else if ( rs->sr_entry->e_id == fc->fss->s_eid &&
+ dn_match( &rs->sr_entry->e_nname, &fc->fss->s_base )) {
+
+ /* OK, the DN is the same and the entryID is the same. Now
+ * see if the fdn resides in the scope.
+ */
+ fc->fbase = 1;
+ switch ( fc->fss->s_op->ors_scope ) {
+ case LDAP_SCOPE_BASE:
+ fc->fscope = dn_match( fc->fdn, &rs->sr_entry->e_nname );
+ break;
+ case LDAP_SCOPE_ONELEVEL: {
+ struct berval pdn;
+ dnParent( fc->fdn, &pdn );
+ fc->fscope = dn_match( &pdn, &rs->sr_entry->e_nname );
+ break; }
+ case LDAP_SCOPE_SUBTREE:
+ fc->fscope = dnIsSuffix( fc->fdn, &rs->sr_entry->e_nname );
+ break;
+#ifdef LDAP_SCOPE_SUBORDINATE
+ case LDAP_SCOPE_SUBORDINATE:
+ fc->fscope = dnIsSuffix( fc->fdn, &rs->sr_entry->e_nname ) &&
+ !dn_match( fc->fdn, &rs->sr_entry->e_nname );
+ break;
+#endif
+ }
+ }
}
return LDAP_SUCCESS;
}
static int
-syncprov_findbase( Operation *op, syncops *ss, findcookie *fc )
+syncprov_findbase( Operation *op, fbase_cookie *fc )
{
- slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
+ opcookie *opc = op->o_callback->sc_private;
+ slap_overinst *on = opc->son;
syncprov_info_t *si = on->on_bi.bi_private;
- slap_callback cb;
+ slap_callback cb = {0};
Operation fop;
SlapReply frs = { REP_RESULT };
int rc;
cb.sc_response = findbase_cb;
cb.sc_private = fc;
+ fop.o_sync_mode &= SLAP_CONTROL_MASK; /* turn off sync mode */
fop.o_callback = &cb;
fop.o_tag = LDAP_REQ_SEARCH;
fop.ors_scope = LDAP_SCOPE_BASE;
- fop.ors_deref = ss->s_op->ors_deref;
+ fop.ors_deref = fc->fss->s_op->ors_deref;
fop.ors_slimit = 1;
fop.ors_tlimit = SLAP_NO_LIMIT;
fop.ors_attrs = slap_anlist_no_attrs;
fop.ors_attrsonly = 1;
- fop.ors_filter = ss->s_op->ors_filter;
- fop.ors_filterstr = ss->s_op->ors_filterstr;
+ fop.ors_filter = fc->fss->s_op->ors_filter;
+ fop.ors_filterstr = fc->fss->s_op->ors_filterstr;
- fop.o_req_ndn = ss->s_op->o_req_ndn;
+ fop.o_req_ndn = fc->fss->s_op->o_req_ndn;
+ fop.o_bd->bd_info = on->on_info->oi_orig;
rc = fop.o_bd->be_search( &fop, &frs );
+ fop.o_bd->bd_info = (BackendInfo *)on;
- if ( fc->fid == ss->s_eid ) return LDAP_SUCCESS;
+ if ( fc->fbase ) return LDAP_SUCCESS;
/* If entryID has changed, then the base of this search has
* changed. Invalidate the psearch.
return LDAP_NO_SUCH_OBJECT;
}
-static void
-syncprov_matchops( Operation *op, opcookie *opc )
+/* syncprov_findcsn:
+ * This function has three different purposes, but they all use a search
+ * that filters on entryCSN so they're combined here.
+ * 1: when the current contextCSN is unknown (i.e., at server start time)
+ * and a syncrepl search has arrived with a cookie, we search for all entries
+ * with CSN >= the cookie CSN, and store the maximum as our contextCSN. Also,
+ * we expect to find the cookie CSN in the search results, and note if we did
+ * or not. If not, we assume the cookie is stale. (This may be too restrictive,
+ * notice case 2.)
+ *
+ * 2: when the current contextCSN is known and we have a sync cookie, we search
+ * for one entry with CSN <= the cookie CSN. (Used to search for =.) If an
+ * entry is found, the cookie CSN is valid, otherwise it is stale. Case 1 is
+ * considered a special case of case 2, and both are generally called the
+ * "find CSN" task.
+ *
+ * 3: during a refresh phase, we search for all entries with CSN <= the cookie
+ * CSN, and generate Present records for them. We always collect this result
+ * in SyncID sets, even if there's only one match.
+ */
+#define FIND_CSN 1
+#define FIND_PRESENT 2
+
+typedef struct fcsn_cookie {
+ struct berval maxcsn;
+ int gotmatch;
+} fcsn_cookie;
+
+static int
+findcsn_cb( Operation *op, SlapReply *rs )
+{
+ slap_callback *sc = op->o_callback;
+
+ if ( rs->sr_type == REP_SEARCH && rs->sr_err == LDAP_SUCCESS ) {
+ /* If the private pointer is set, it points to an fcsn_cookie
+ * and we want to record the maxcsn and match state.
+ */
+ if ( sc->sc_private ) {
+ int i;
+ fcsn_cookie *fc = sc->sc_private;
+ sync_control *srs = op->o_controls[sync_cid];
+ Attribute *a = attr_find(rs->sr_entry->e_attrs,
+ slap_schema.si_ad_entryCSN );
+ i = ber_bvcmp( &a->a_vals[0], srs->sr_state.ctxcsn );
+ if ( i == 0 ) fc->gotmatch = 1;
+ i = ber_bvcmp( &a->a_vals[0], &fc->maxcsn );
+ if ( i > 0 ) {
+ fc->maxcsn.bv_len = a->a_vals[0].bv_len;
+ strcpy(fc->maxcsn.bv_val, a->a_vals[0].bv_val );
+ }
+ } else {
+ /* Otherwise, if the private pointer is not set, we just
+ * want to know if any entry matched the filter.
+ */
+ sc->sc_private = (void *)1;
+ }
+ }
+ return LDAP_SUCCESS;
+}
+
+/* Build a list of entryUUIDs for sending in a SyncID set */
+
+typedef struct fpres_cookie {
+ int num;
+ BerVarray uuids;
+} fpres_cookie;
+
+static int
+findpres_cb( Operation *op, SlapReply *rs )
+{
+ slap_callback *sc = op->o_callback;
+ fpres_cookie *pc = sc->sc_private;
+ int ret = SLAP_CB_CONTINUE;
+
+ if ( rs->sr_type == REP_SEARCH ) {
+ ret = slap_build_syncUUID_set( op, &pc->uuids, rs->sr_entry );
+ if ( ret > 0 ) {
+ pc->num++;
+ ret = LDAP_SUCCESS;
+ if ( pc->num == SLAP_SYNCUUID_SET_SIZE ) {
+ rs->sr_rspoid = LDAP_SYNC_INFO;
+ ret = syncprov_sendinfo( op, rs, LDAP_TAG_SYNC_ID_SET, NULL,
+ 0, pc->uuids, 0 );
+ ber_bvarray_free_x( pc->uuids, op->o_tmpmemctx );
+ pc->uuids = NULL;
+ pc->num = 0;
+ }
+ } else {
+ ret = LDAP_OTHER;
+ }
+ } else if ( rs->sr_type == REP_RESULT ) {
+ ret = rs->sr_err;
+ if ( pc->num ) {
+ rs->sr_rspoid = LDAP_SYNC_INFO;
+ ret = syncprov_sendinfo( op, rs, LDAP_TAG_SYNC_ID_SET, NULL,
+ 0, pc->uuids, 0 );
+ ber_bvarray_free_x( pc->uuids, op->o_tmpmemctx );
+ pc->uuids = NULL;
+ pc->num = 0;
+ }
+ }
+ return ret;
+}
+
+
+static int
+syncprov_findcsn( Operation *op, int mode )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = on->on_bi.bi_private;
- findcookie fc = { NOID };
+ slap_callback cb = {0};
+ Operation fop;
+ SlapReply frs = { REP_RESULT };
+ char buf[LDAP_LUTIL_CSNSTR_BUFSIZE + STRLENOF("(entryCSN<=)")];
+ char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
+ struct berval fbuf;
+ Filter cf;
+ AttributeAssertion eq;
+ int rc;
+ fcsn_cookie fcookie;
+ fpres_cookie pcookie;
+ int locked = 0;
+ sync_control *srs = op->o_controls[sync_cid];
+
+ if ( srs->sr_state.ctxcsn->bv_len >= LDAP_LUTIL_CSNSTR_BUFSIZE ) {
+ return LDAP_OTHER;
+ }
+
+ fop = *op;
+ fop.o_sync_mode &= SLAP_CONTROL_MASK; /* turn off sync_mode */
+
+ fbuf.bv_val = buf;
+ if ( mode == FIND_CSN ) {
+ if ( !si->si_gotcsn ) {
+ /* If we don't know the current ctxcsn, find it */
+ ldap_pvt_thread_mutex_lock( &si->si_csn_mutex );
+ locked = 1;
+ }
+ if ( !si->si_gotcsn ) {
+ cf.f_choice = LDAP_FILTER_GE;
+ fop.ors_attrsonly = 0;
+ fop.ors_attrs = csn_anlist;
+ fop.ors_slimit = SLAP_NO_LIMIT;
+ cb.sc_private = &fcookie;
+ fcookie.maxcsn.bv_val = cbuf;
+ fcookie.maxcsn.bv_len = 0;
+ fcookie.gotmatch = 0;
+ fbuf.bv_len = sprintf( buf, "(entryCSN>=%s)", srs->sr_state.ctxcsn->bv_val );
+ } else {
+ if ( locked ) {
+ ldap_pvt_thread_mutex_unlock( &si->si_csn_mutex );
+ locked = 0;
+ }
+ cf.f_choice = LDAP_FILTER_LE;
+ fop.ors_attrsonly = 1;
+ fop.ors_attrs = slap_anlist_no_attrs;
+ fop.ors_slimit = 1;
+ cb.sc_private = NULL;
+ fbuf.bv_len = sprintf( buf, "(entryCSN<=%s)", srs->sr_state.ctxcsn->bv_val );
+ }
+ cb.sc_response = findcsn_cb;
+
+ } else if ( mode == FIND_PRESENT ) {
+ cf.f_choice = LDAP_FILTER_LE;
+ fop.ors_attrsonly = 0;
+ fop.ors_attrs = uuid_anlist;
+ fop.ors_slimit = SLAP_NO_LIMIT;
+ /* We want pure entries, not referrals */
+ fop.o_managedsait = SLAP_CONTROL_CRITICAL;
+ cb.sc_private = &pcookie;
+ cb.sc_response = findpres_cb;
+ pcookie.num = 0;
+ pcookie.uuids = NULL;
+ fbuf.bv_len = sprintf( buf, "(entryCSN<=%s)", srs->sr_state.ctxcsn->bv_val );
+ }
+ cf.f_ava = &eq;
+ cf.f_av_desc = slap_schema.si_ad_entryCSN;
+ cf.f_av_value = *srs->sr_state.ctxcsn;
+ cf.f_next = NULL;
+
+ fop.o_callback = &cb;
+ fop.ors_tlimit = SLAP_NO_LIMIT;
+ fop.ors_filter = &cf;
+ fop.ors_filterstr = fbuf;
+
+ fop.o_bd->bd_info = on->on_info->oi_orig;
+ rc = fop.o_bd->be_search( &fop, &frs );
+ fop.o_bd->bd_info = (BackendInfo *)on;
+
+ if ( mode == FIND_CSN ) {
+ if ( !si->si_gotcsn ) {
+ strcpy(si->si_ctxcsnbuf, fcookie.maxcsn.bv_val);
+ si->si_ctxcsn.bv_len = fcookie.maxcsn.bv_len;
+ si->si_gotcsn = 1;
+ ldap_pvt_thread_mutex_unlock( &si->si_csn_mutex );
+ if ( fcookie.gotmatch ) return LDAP_SUCCESS;
+
+ } else {
+ if ( cb.sc_private ) return LDAP_SUCCESS;
+ }
+ } else if ( mode == FIND_PRESENT ) {
+ return LDAP_SUCCESS;
+ }
+
+ /* If matching CSN was not found, invalidate the context. */
+ return LDAP_NO_SUCH_OBJECT;
+}
+
+/* Queue a persistent search response if still in Refresh stage */
+static int
+syncprov_qresp( opcookie *opc, syncops *so, int mode )
+{
+ syncres *sr;
+
+ sr = ch_malloc(sizeof(syncres) + opc->suuid.bv_len + 1 +
+ opc->sdn.bv_len + 1 + opc->sndn.bv_len + 1 + opc->sctxcsn.bv_len + 1 );
+ sr->s_next = NULL;
+ sr->s_dn.bv_val = (char *)(sr + 1);
+ sr->s_mode = mode;
+ sr->s_isreference = opc->sreference;
+ sr->s_ndn.bv_val = lutil_strcopy( sr->s_dn.bv_val, opc->sdn.bv_val );
+ *(sr->s_ndn.bv_val++) = '\0';
+ sr->s_uuid.bv_val = lutil_strcopy( sr->s_ndn.bv_val, opc->sndn.bv_val );
+ *(sr->s_uuid.bv_val++) = '\0';
+ sr->s_csn.bv_val = lutil_strcopy( sr->s_uuid.bv_val, opc->suuid.bv_val );
+
+ if ( !so->s_res ) {
+ so->s_res = sr;
+ } else {
+ so->s_restail->s_next = sr;
+ }
+ so->s_restail = sr;
+ ldap_pvt_thread_mutex_unlock( &so->s_mutex );
+ return LDAP_SUCCESS;
+}
+
+/* Send a persistent search response */
+static int
+syncprov_sendresp( Operation *op, opcookie *opc, syncops *so, Entry *e, int mode, int queue )
+{
+ slap_overinst *on = opc->son;
+ syncprov_info_t *si = on->on_bi.bi_private;
+
+ SlapReply rs = { REP_SEARCH };
+ LDAPControl *ctrls[2];
+ struct berval cookie;
+ Entry e_uuid = {0};
+ Attribute a_uuid = {0};
+ Operation sop = *so->s_op;
+ Opheader ohdr;
+
+ ohdr = *sop.o_hdr;
+ sop.o_hdr = &ohdr;
+ sop.o_tmpmemctx = op->o_tmpmemctx;
+ sop.o_bd = op->o_bd;
+ sop.o_controls = op->o_controls;
+
+ if ( queue && (so->s_flags & PS_IS_REFRESHING) ) {
+ ldap_pvt_thread_mutex_lock( &so->s_mutex );
+ if ( so->s_flags & PS_IS_REFRESHING )
+ return syncprov_qresp( opc, so, mode );
+ ldap_pvt_thread_mutex_unlock( &so->s_mutex );
+ }
+
+ ctrls[1] = NULL;
+ slap_compose_sync_cookie( op, &cookie, &opc->sctxcsn,
+ so->s_sid, so->s_rid );
+
+ e_uuid.e_attrs = &a_uuid;
+ a_uuid.a_desc = slap_schema.si_ad_entryUUID;
+ a_uuid.a_nvals = &opc->suuid;
+ rs.sr_err = syncprov_state_ctrl( &sop, &rs, &e_uuid,
+ mode, ctrls, 0, 1, &cookie );
+
+ rs.sr_entry = e;
+ rs.sr_ctrls = ctrls;
+ switch( mode ) {
+ case LDAP_SYNC_ADD:
+ if ( opc->sreference ) {
+ rs.sr_ref = get_entry_referrals( &sop, e );
+ send_search_reference( &sop, &rs );
+ ber_bvarray_free( rs.sr_ref );
+ break;
+ }
+ /* fallthru */
+ case LDAP_SYNC_MODIFY:
+ rs.sr_attrs = sop.ors_attrs;
+ send_search_entry( &sop, &rs );
+ break;
+ case LDAP_SYNC_DELETE:
+ e_uuid.e_attrs = NULL;
+ e_uuid.e_name = opc->sdn;
+ e_uuid.e_nname = opc->sndn;
+ rs.sr_entry = &e_uuid;
+ if ( opc->sreference ) {
+ struct berval bv;
+ bv.bv_val = NULL;
+ bv.bv_len = 0;
+ rs.sr_ref = &bv;
+ send_search_reference( &sop, &rs );
+ } else {
+ send_search_entry( &sop, &rs );
+ }
+ break;
+ default:
+ assert(0);
+ }
+ free( rs.sr_ctrls[0] );
+ return rs.sr_err;
+}
+
+static void
+syncprov_matchops( Operation *op, opcookie *opc, int saveit )
+{
+ slap_overinst *on = opc->son;
+ syncprov_info_t *si = on->on_bi.bi_private;
+
+ fbase_cookie fc;
syncops *ss;
Entry *e;
Attribute *a;
int rc;
+ struct berval newdn;
+
+ fc.fdn = &op->o_req_ndn;
+ /* compute new DN */
+ if ( op->o_tag == LDAP_REQ_MODRDN && !saveit ) {
+ struct berval pdn;
+ if ( op->orr_nnewSup ) pdn = *op->orr_nnewSup;
+ else dnParent( fc.fdn, &pdn );
+ build_new_dn( &newdn, &pdn, &op->orr_nnewrdn, op->o_tmpmemctx );
+ fc.fdn = &newdn;
+ }
+ if ( op->o_tag != LDAP_REQ_ADD ) {
+ op->o_bd->bd_info = (BackendInfo *)on->on_info;
+ rc = be_entry_get_rw( op, fc.fdn, NULL, NULL, 0, &e );
+ op->o_bd->bd_info = (BackendInfo *)on;
+ if ( rc ) return;
+ } else {
+ e = op->ora_e;
+ }
- rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
- if ( rc ) return;
-
- a = attr_find( e->e_attrs, slap_schema.si_ad_entryUUID );
- if ( a )
- ber_dupbv_x( &opc->suuid, &a->a_vals[0], op->o_tmpmemctx );
+ if ( saveit ) {
+ ber_dupbv_x( &opc->sdn, &e->e_name, op->o_tmpmemctx );
+ ber_dupbv_x( &opc->sndn, &e->e_nname, op->o_tmpmemctx );
+ opc->sreference = is_entry_referral( e );
+ }
+ if ( saveit || op->o_tag == LDAP_REQ_ADD ) {
+ a = attr_find( e->e_attrs, slap_schema.si_ad_entryUUID );
+ if ( a )
+ ber_dupbv_x( &opc->suuid, &a->a_nvals[0], op->o_tmpmemctx );
+ }
ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
for (ss = si->si_ops; ss; ss=ss->s_next)
{
+ syncmatches *sm;
+ int found = 0;
+
/* validate base */
- rc = syncprov_findbase( op, ss, &fc );
+ fc.fss = ss;
+ fc.fbase = 0;
+ fc.fscope = 0;
+ rc = syncprov_findbase( op, &fc );
if ( rc != LDAP_SUCCESS ) continue;
+ /* If we're sending results now, look for this op in old matches */
+ if ( !saveit ) {
+ syncmatches *old;
+ for ( sm=opc->smatches, old=(syncmatches *)&opc->smatches; sm;
+ old=sm, sm=sm->sm_next ) {
+ if ( sm->sm_op == ss ) {
+ found = 1;
+ old->sm_next = sm->sm_next;
+ op->o_tmpfree( sm, op->o_tmpmemctx );
+ break;
+ }
+ }
+ }
+
/* check if current o_req_dn is in scope and matches filter */
- if ( dnIsSuffix( &op->o_req_ndn, &fc.fdn ) && test_filter( op, e,
- ss->s_op->ors_filter ) == LDAP_COMPARE_TRUE ) {
- syncmatches *sm = op->o_tmpalloc( sizeof(syncmatches), op->o_tmpmemctx );
- sm->sm_next = opc->smatches;
- sm->sm_op = ss;
- opc->smatches = sm;
+ if ( fc.fscope && test_filter( op, e, ss->s_op->ors_filter ) ==
+ LDAP_COMPARE_TRUE ) {
+ if ( saveit ) {
+ sm = op->o_tmpalloc( sizeof(syncmatches), op->o_tmpmemctx );
+ sm->sm_next = opc->smatches;
+ sm->sm_op = ss;
+ opc->smatches = sm;
+ } else {
+ /* if found send UPDATE else send ADD */
+ syncprov_sendresp( op, opc, ss, e,
+ found ? LDAP_SYNC_MODIFY : LDAP_SYNC_ADD, 1 );
+ }
+ } else if ( !saveit && found ) {
+ /* send DELETE */
+ syncprov_sendresp( op, opc, ss, NULL, LDAP_SYNC_DELETE, 1 );
}
}
ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
- be_entry_release_r( op, e );
+ if ( op->o_tag != LDAP_REQ_ADD ) {
+ op->o_bd->bd_info = (BackendInfo *)on->on_info;
+ be_entry_release_r( op, e );
+ op->o_bd->bd_info = (BackendInfo *)on;
+ }
}
static int
-syncprov_op_response( Operation *op, SlapReply *rs )
+syncprov_op_cleanup( Operation *op, SlapReply *rs )
{
slap_callback *cb = op->o_callback;
- opcookie *opc = (opcookie *)(cb+1);
+ opcookie *opc = cb->sc_private;
+ syncmatches *sm, *snext;
+
+ for (sm = opc->smatches; sm; sm=snext) {
+ snext = sm->sm_next;
+ op->o_tmpfree( sm, op->o_tmpmemctx );
+ }
+ op->o_callback = cb->sc_next;
+ op->o_tmpfree(cb, op->o_tmpmemctx);
+}
+
+static int
+syncprov_op_response( Operation *op, SlapReply *rs )
+{
+ opcookie *opc = op->o_callback->sc_private;
slap_overinst *on = opc->son;
syncprov_info_t *si = on->on_bi.bi_private;
+ syncmatches *sm;
if ( rs->sr_err == LDAP_SUCCESS )
{
- switch(op->o_tag) {
- case LDAP_REQ_ADD:
- /* for each op in si->si_ops:
- * validate base
- * check for scope and filter
- * send ADD msg if matched
- */
- break;
- case LDAP_REQ_DELETE:
- /* for each match in opc->smatches:
- * send DELETE msg
- */
- break;
- case LDAP_REQ_MODIFY:
- case LDAP_REQ_MODRDN:
- /* for each op in si->si_ops:
- * validate base
- * check for scope and filter
- * if match
- * if match in opc->smatches, send UPDATE
- * else send ADD
- * else
- * if match in opc->smatches, send DELETE
- */
- break;
- case LDAP_REQ_EXTENDED:
- /* for each op in si->si_ops:
- * validate base
- * check for scope and filter
- * send UPDATE msg if matched
- */
- break;
+ struct berval maxcsn;
+ char cbuf[LDAP_LUTIL_CSNSTR_BUFSIZE];
+
+ cbuf[0] = '\0';
+ ldap_pvt_thread_mutex_lock( &si->si_csn_mutex );
+ slap_get_commit_csn( op, &maxcsn );
+ if ( maxcsn.bv_val ) {
+ strcpy( cbuf, maxcsn.bv_val );
+ if ( ber_bvcmp( &maxcsn, &si->si_ctxcsn ) > 0 ) {
+ strcpy( si->si_ctxcsnbuf, cbuf );
+ si->si_ctxcsn.bv_len = maxcsn.bv_len;
+ }
+ si->si_gotcsn = 1;
}
+ ldap_pvt_thread_mutex_unlock( &si->si_csn_mutex );
+
+ opc->sctxcsn.bv_len = maxcsn.bv_len;
+ opc->sctxcsn.bv_val = cbuf;
+
+ if ( si->si_ops ) {
+ switch(op->o_tag) {
+ case LDAP_REQ_ADD:
+ case LDAP_REQ_MODIFY:
+ case LDAP_REQ_MODRDN:
+ case LDAP_REQ_EXTENDED:
+ syncprov_matchops( op, opc, 0 );
+ break;
+ case LDAP_REQ_DELETE:
+ /* for each match in opc->smatches:
+ * send DELETE msg
+ */
+ for ( sm = opc->smatches; sm; sm=sm->sm_next ) {
+ syncprov_sendresp( op, opc, sm->sm_op, NULL,
+ LDAP_SYNC_DELETE, 1 );
+ }
+ break;
+ }
+ }
+
+ }
+ return SLAP_CB_CONTINUE;
+}
+
+static void
+syncprov_free_syncop( syncops *so )
+{
+ syncres *sr, *srnext;
+
+ filter_free( so->s_op->ors_filter );
+ ch_free( so->s_op );
+ ch_free( so->s_base.bv_val );
+ for ( sr=so->s_res; sr; sr=srnext ) {
+ srnext = sr->s_next;
+ ch_free( sr );
+ }
+ ldap_pvt_thread_mutex_destroy( &so->s_mutex );
+ ch_free( so );
+}
+
+static int
+syncprov_op_abandon( Operation *op, SlapReply *rs )
+{
+ slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
+ syncprov_info_t *si = on->on_bi.bi_private;
+ syncops *so, *soprev;
+
+ ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
+ for ( so=si->si_ops, soprev = (syncops *)&si->si_ops; so;
+ soprev=so, so=so->s_next ) {
+ if ( so->s_op->o_connid == op->o_connid &&
+ so->s_op->o_msgid == op->orn_msgid ) {
+ soprev->s_next = so->s_next;
+ break;
+ }
+ }
+ ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
+ if ( so ) {
+ ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
+ op->o_conn->c_n_ops_executing--;
+ op->o_conn->c_n_ops_completed++;
+ ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
+ /* Is this really a Cancel exop? */
+ if ( op->o_tag != LDAP_REQ_ABANDON ) {
+ rs->sr_err = LDAP_CANCELLED;
+ send_ldap_result( so->s_op, rs );
+ }
+ syncprov_free_syncop( so );
}
- op->o_callback = cb->sc_next;
- op->o_tmpfree(cb, op->o_tmpmemctx);
return SLAP_CB_CONTINUE;
}
+#if 0
static int
syncprov_op_compare( Operation *op, SlapReply *rs )
{
return SLAP_CB_CONTINUE;
}
+#endif
static int
-syncprov_op_add( Operation *op, SlapReply *rs )
+syncprov_op_mod( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = on->on_bi.bi_private;
- if ( si->si_ops )
- {
- slap_callback *cb = op->o_tmpcalloc(1, sizeof(slap_callback)+sizeof(opcookie), op->o_tmpmemctx);
- opcookie *opc = (opcookie *)(cb+1);
- opc->son = on;
- cb->sc_response = syncprov_op_response;
- cb->sc_private = opc;
- cb->sc_next = op->o_callback;
- op->o_callback = cb;
- }
+ slap_callback *cb = op->o_tmpcalloc(1, sizeof(slap_callback)+sizeof(opcookie), op->o_tmpmemctx);
+ opcookie *opc = (opcookie *)(cb+1);
+ opc->son = on;
+ cb->sc_response = syncprov_op_response;
+ cb->sc_cleanup = syncprov_op_cleanup;
+ cb->sc_private = opc;
+ cb->sc_next = op->o_callback;
+ op->o_callback = cb;
+
+ if ( si->si_ops && op->o_tag != LDAP_REQ_ADD )
+ syncprov_matchops( op, opc, 1 );
return SLAP_CB_CONTINUE;
}
static int
-syncprov_op_delete( Operation *op, SlapReply *rs )
+syncprov_op_extended( Operation *op, SlapReply *rs )
{
- slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
- syncprov_info_t *si = on->on_bi.bi_private;
-
- if ( si->si_ops )
- {
- slap_callback *cb = op->o_tmpcalloc(1, sizeof(slap_callback)+sizeof(opcookie), op->o_tmpmemctx);
- opcookie *opc = (opcookie *)(cb+1);
- opc->son = on;
- cb->sc_response = syncprov_op_response;
- cb->sc_private = opc;
- cb->sc_next = op->o_callback;
- op->o_callback = cb;
-
- syncprov_matchops( op, opc );
- }
+ if ( exop_is_write( op ))
+ return syncprov_op_mod( op, rs );
return SLAP_CB_CONTINUE;
}
+typedef struct searchstate {
+ slap_overinst *ss_on;
+ syncops *ss_so;
+} searchstate;
+
static int
-syncprov_op_modify( Operation *op, SlapReply *rs )
+syncprov_search_cleanup( Operation *op, SlapReply *rs )
{
- slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
- syncprov_info_t *si = on->on_bi.bi_private;
-
- if ( si->si_ops )
- {
- slap_callback *cb = op->o_tmpcalloc(1, sizeof(slap_callback)+sizeof(opcookie), op->o_tmpmemctx);
- opcookie *opc = (opcookie *)(cb+1);
- opc->son = on;
- cb->sc_response = syncprov_op_response;
- cb->sc_private = opc;
- cb->sc_next = op->o_callback;
- op->o_callback = cb;
-
- syncprov_matchops( op, opc );
+ searchstate *ss = op->o_callback->sc_private;
+ if ( rs->sr_ctrls ) {
+ free( rs->sr_ctrls[0] );
+ op->o_tmpfree( rs->sr_ctrls, op->o_tmpmemctx );
}
-
- return SLAP_CB_CONTINUE;
+ return 0;
}
-static int
-syncprov_op_modrdn( Operation *op, SlapReply *rs )
+static void
+syncprov_detach_op( Operation *op, syncops *so )
{
- slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
- syncprov_info_t *si = on->on_bi.bi_private;
-
- if ( si->si_ops )
- {
- slap_callback *cb = op->o_tmpcalloc(1, sizeof(slap_callback)+sizeof(opcookie), op->o_tmpmemctx);
- opcookie *opc = (opcookie *)(cb+1);
- opc->son = on;
- cb->sc_response = syncprov_op_response;
- cb->sc_private = opc;
- cb->sc_next = op->o_callback;
- op->o_callback = cb;
-
- syncprov_matchops( op, opc );
+ Operation *op2;
+ int i, alen = 0;
+ size_t size;
+ char *ptr;
+
+ /* count the search attrs */
+ for (i=0; op->ors_attrs && op->ors_attrs[i].an_name.bv_val; i++) {
+ alen += op->ors_attrs[i].an_name.bv_len + 1;
}
-
- return SLAP_CB_CONTINUE;
+ /* Make a new copy of the operation */
+ size = sizeof(Operation) + sizeof(Opheader) +
+ (i ? ( (i+1) * sizeof(AttributeName) + alen) : 0) +
+ op->o_req_dn.bv_len + 1 +
+ op->o_req_ndn.bv_len + 1 +
+ op->o_ndn.bv_len + 1 +
+ so->s_filterstr.bv_len + 1;
+ op2 = (Operation *)ch_malloc( size );
+ *op2 = *op;
+ op2->o_hdr = (Opheader *)(op2+1);
+ *op2->o_hdr = *op->o_hdr;
+ if ( i ) {
+ op2->ors_attrs = (AttributeName *)(op2->o_hdr + 1);
+ ptr = (char *)(op2->ors_attrs+i+1);
+ for (i=0; op->ors_attrs[i].an_name.bv_val; i++) {
+ op2->ors_attrs[i] = op->ors_attrs[i];
+ op2->ors_attrs[i].an_name.bv_val = ptr;
+ ptr = lutil_strcopy( ptr, op->ors_attrs[i].an_name.bv_val ) + 1;
+ }
+ op2->ors_attrs[i].an_name.bv_val = NULL;
+ op2->ors_attrs[i].an_name.bv_len = 0;
+ } else {
+ ptr = (char *)(op2->o_hdr + 1);
+ }
+ op2->o_ndn.bv_val = ptr;
+ ptr = lutil_strcopy(ptr, op->o_ndn.bv_val) + 1;
+ op2->o_dn = op2->o_ndn;
+ op2->o_req_dn.bv_val = ptr;
+ ptr = lutil_strcopy(ptr, op->o_req_dn.bv_val) + 1;
+ op2->o_req_ndn.bv_val = ptr;
+ ptr = lutil_strcopy(ptr, op->o_req_ndn.bv_val) + 1;
+ op2->ors_filterstr.bv_val = ptr;
+ strcpy( ptr, so->s_filterstr.bv_val );
+ op2->ors_filterstr.bv_len = so->s_filterstr.bv_len;
+ op2->ors_filter = str2filter( ptr );
+ op2->o_controls = NULL;
+ op2->o_callback = NULL;
+ so->s_op = op2;
+
+ /* Increment number of ops so that idletimeout ignores us */
+ ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
+ op->o_conn->c_n_ops_executing++;
+ op->o_conn->c_n_ops_completed--;
+ ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
}
-static const struct berval * write_exop[] = {
- &slap_EXOP_MODIFY_PASSWD,
- NULL
-};
-
static int
-syncprov_op_extended( Operation *op, SlapReply *rs )
+syncprov_search_response( Operation *op, SlapReply *rs )
{
- slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
+ searchstate *ss = op->o_callback->sc_private;
+ slap_overinst *on = ss->ss_on;
syncprov_info_t *si = on->on_bi.bi_private;
+ sync_control *srs = op->o_controls[sync_cid];
+
+ if ( rs->sr_type == REP_SEARCH || rs->sr_type == REP_SEARCHREF ) {
+ int i;
+ if ( srs->sr_state.ctxcsn ) {
+ Attribute *a = attr_find( rs->sr_entry->e_attrs,
+ slap_schema.si_ad_entryCSN );
+ /* Don't send the ctx entry twice */
+ if ( bvmatch( &a->a_nvals[0], srs->sr_state.ctxcsn ))
+ return LDAP_SUCCESS;
+ }
+ rs->sr_ctrls = op->o_tmpalloc( sizeof(LDAPControl *)*2,
+ op->o_tmpmemctx );
+ rs->sr_ctrls[1] = NULL;
+ rs->sr_err = syncprov_state_ctrl( op, rs, rs->sr_entry,
+ LDAP_SYNC_ADD, rs->sr_ctrls, 0, 0, NULL );
+ } else if ( rs->sr_type == REP_RESULT && rs->sr_err == LDAP_SUCCESS ) {
+ struct berval cookie;
+
+ slap_compose_sync_cookie( op, &cookie,
+ &op->ors_filter->f_and->f_ava->aa_value,
+ srs->sr_state.sid, srs->sr_state.rid );
+
+ /* Is this a regular refresh? */
+ if ( !ss->ss_so ) {
+ rs->sr_ctrls = op->o_tmpalloc( sizeof(LDAPControl *)*2,
+ op->o_tmpmemctx );
+ rs->sr_ctrls[1] = NULL;
+ rs->sr_err = syncprov_done_ctrl( op, rs, rs->sr_ctrls,
+ 0, 1, &cookie, LDAP_SYNC_REFRESH_PRESENTS );
+ } else {
+ int locked = 0;
+ /* It's RefreshAndPersist, transition to Persist phase */
+ rs->sr_rspoid = LDAP_SYNC_INFO;
+ syncprov_sendinfo( op, rs, rs->sr_nentries ?
+ LDAP_TAG_SYNC_REFRESH_PRESENT : LDAP_TAG_SYNC_REFRESH_DELETE,
+ &cookie, 1, NULL, 0 );
+ /* Flush any queued persist messages */
+ if ( ss->ss_so->s_res ) {
+ syncres *sr, *srnext;
+ Entry *e;
+ opcookie opc;
+
+ opc.son = on;
+ ldap_pvt_thread_mutex_lock( &ss->ss_so->s_mutex );
+ locked = 1;
+ for (sr = ss->ss_so->s_res; sr; sr=srnext) {
+ int rc = LDAP_SUCCESS;
+ srnext = sr->s_next;
+ opc.sdn = sr->s_dn;
+ opc.sndn = sr->s_ndn;
+ opc.suuid = sr->s_uuid;
+ opc.sctxcsn = sr->s_csn;
+ opc.sreference = sr->s_isreference;
+ e = NULL;
+
+ if ( sr->s_mode != LDAP_SYNC_DELETE ) {
+ op->o_bd->bd_info = (BackendInfo *)on->on_info;
+ rc = be_entry_get_rw( op, &opc.sndn, NULL, NULL, 0, &e );
+ op->o_bd->bd_info = (BackendInfo *)on;
+ }
+ if ( rc == LDAP_SUCCESS )
+ syncprov_sendresp( op, &opc, ss->ss_so, e,
+ sr->s_mode, 0 );
+
+ if ( e ) {
+ op->o_bd->bd_info = (BackendInfo *)on->on_info;
+ be_entry_release_r( op, e );
+ op->o_bd->bd_info = (BackendInfo *)on;
+ }
+ ch_free( sr );
+ }
+ ss->ss_so->s_res = NULL;
+ ss->ss_so->s_restail = NULL;
+ }
- if ( si->si_ops )
- {
- int i, doit = 0;
+ /* Turn off the refreshing flag */
+ ss->ss_so->s_flags ^= PS_IS_REFRESHING;
+ if ( locked )
+ ldap_pvt_thread_mutex_unlock( &ss->ss_so->s_mutex );
- for ( i=0; write_exop[i]; i++ )
- {
- if ( !ber_bvcmp( write_exop[i], &op->oq_extended.rs_reqoid ))
- {
- doit = 1;
- break;
- }
- }
- if ( doit )
- {
- slap_callback *cb = op->o_tmpcalloc(1,
- sizeof(slap_callback)+sizeof(opcookie), op->o_tmpmemctx);
- opcookie *opc = (opcookie *)(cb+1);
- opc->son = on;
- cb->sc_response = syncprov_op_response;
- cb->sc_private = opc;
- cb->sc_next = op->o_callback;
- op->o_callback = cb;
-
- syncprov_matchops( op, opc );
+ /* Detach this Op from frontend control */
+ syncprov_detach_op( op, ss->ss_so );
+
+ return LDAP_SUCCESS;
}
}
static int
syncprov_op_search( Operation *op, SlapReply *rs )
-{
-}
-
-static int
-syncprov_response( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
+ slap_callback *cb;
+ int gotstate = 0, nochange = 0;
+ Filter *fand, *fava;
+ syncops *sop = NULL;
+ searchstate *ss;
+ sync_control *srs;
+
+ if ( !(op->o_sync_mode & SLAP_SYNC_REFRESH) ) return SLAP_CB_CONTINUE;
+
+ if ( op->ors_deref & LDAP_DEREF_SEARCHING ) {
+ send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR, "illegal value for derefAliases" );
+ return rs->sr_err;
+ }
- /* If the operation succeeded and we're checkpointing */
- if ( rs->sr_err == LDAP_SUCCESS && ( si->si_chkops || si->si_chktime ))
- {
- int do_check = 0;
+ srs = op->o_controls[sync_cid];
+
+ /* If this is a persistent search, set it up right away */
+ if ( op->o_sync_mode & SLAP_SYNC_PERSIST ) {
+ syncops so = {0};
+ fbase_cookie fc;
+ opcookie opc;
+ slap_callback sc;
+
+ fc.fss = &so;
+ fc.fbase = 0;
+ so.s_eid = NOID;
+ so.s_op = op;
+ so.s_flags = PS_IS_REFRESHING;
+ /* syncprov_findbase expects to be called as a callback... */
+ sc.sc_private = &opc;
+ opc.son = on;
+ cb = op->o_callback;
+ op->o_callback = ≻
+ rs->sr_err = syncprov_findbase( op, &fc );
+ op->o_callback = cb;
- switch ( op->o_tag ) {
- case LDAP_REQ_EXTENDED:
- { int i, doit = 0;
+ if ( rs->sr_err != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ return rs->sr_err;
+ }
+ sop = ch_malloc( sizeof( syncops ));
+ *sop = so;
+ ldap_pvt_thread_mutex_init( &sop->s_mutex );
+ ldap_pvt_thread_mutex_lock( &si->si_ops_mutex );
+ sop->s_sid = srs->sr_state.sid;
+ sop->s_rid = srs->sr_state.rid;
+ sop->s_next = si->si_ops;
+ si->si_ops = sop;
+ ldap_pvt_thread_mutex_unlock( &si->si_ops_mutex );
+ }
- /* if not PASSWD_MODIFY, break */
- for ( i=0; write_exop[i]; i++ )
- {
- if ( !ber_bvcmp( write_exop[i], &op->oq_extended.rs_reqoid ))
- {
- doit = 1;
- break;
- }
- }
- if ( !doit ) break;
- }
- /* else fallthru */
- case LDAP_REQ_ADD:
- case LDAP_REQ_MODIFY:
- case LDAP_REQ_MODRDN:
- case LDAP_REQ_DELETE:
- ldap_pvt_thread_mutex_lock( &si->si_chk_mutex );
- if ( si->si_chkops )
- {
- si->si_numops++;
- if ( si->si_numops >= si->si_chkops )
- {
- do_check = 1;
- si->si_numops = 0;
- }
+ /* If we have a cookie, handle the PRESENT lookups
+ */
+ if ( srs->sr_state.ctxcsn ) {
+ /* Is the CSN in a valid format? */
+ if ( srs->sr_state.ctxcsn->bv_len >= LDAP_LUTIL_CSNSTR_BUFSIZE ) {
+ send_ldap_error( op, rs, LDAP_OTHER, "invalid sync cookie" );
+ return rs->sr_err;
+ }
+ /* Is the CSN still present in the database? */
+ if ( syncprov_findcsn( op, FIND_CSN ) != LDAP_SUCCESS ) {
+ /* No, so a reload is required */
+#if 0 /* the consumer doesn't seem to send this hint */
+ if ( op->o_sync_rhint == 0 ) {
+ send_ldap_error( op, rs, LDAP_SYNC_REFRESH_REQUIRED, "sync cookie is stale" );
+ return rs->sr_err;
}
- if ( si->si_chktime )
- {
- if ( op->o_time - si->si_chklast >= si->si_chktime )
- {
- do_check = 1;
- si->si_chklast = op->o_time;
+#endif
+ } else {
+ gotstate = 1;
+ /* If just Refreshing and nothing has changed, shortcut it */
+ if ( bvmatch( srs->sr_state.ctxcsn, &si->si_ctxcsn )) {
+ nochange = 1;
+ if ( !(op->o_sync_mode & SLAP_SYNC_PERSIST) ) {
+ LDAPControl *ctrls[2];
+
+ ctrls[0] = NULL;
+ ctrls[1] = NULL;
+ syncprov_done_ctrl( op, rs, ctrls, 0, 0,
+ NULL, LDAP_SYNC_REFRESH_DELETES );
+ rs->sr_ctrls = ctrls;
+ rs->sr_err = LDAP_SUCCESS;
+ send_ldap_result( op, rs );
+ return rs->sr_err;
}
+ goto shortcut;
+ } else
+ /* If context has changed, check for Present UUIDs */
+ if ( syncprov_findcsn( op, FIND_PRESENT ) != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ return rs->sr_err;
}
- ldap_pvt_thread_mutex_unlock( &si->si_chk_mutex );
- if ( do_check )
- {
- /* write cn=ldapsync to underlying db */
- }
- break;
}
}
+
+ /* If we didn't get a cookie and we don't know our contextcsn, try to
+ * find it anyway.
+ */
+ if ( !gotstate && !si->si_gotcsn ) {
+ struct berval bv = BER_BVC("1"), *old;
+
+ old = srs->sr_state.ctxcsn;
+ srs->sr_state.ctxcsn = &bv;
+ syncprov_findcsn( op, FIND_CSN );
+ srs->sr_state.ctxcsn = old;
+ }
+
+ /* Append CSN range to search filter, save original filter
+ * for persistent search evaluation
+ */
+ if ( sop ) {
+ sop->s_filterstr= op->ors_filterstr;
+ }
+
+ fand = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
+ fand->f_choice = LDAP_FILTER_AND;
+ fand->f_next = NULL;
+ fava = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
+ fava->f_choice = LDAP_FILTER_LE;
+ fava->f_ava = op->o_tmpalloc( sizeof(AttributeAssertion), op->o_tmpmemctx );
+ fava->f_ava->aa_desc = slap_schema.si_ad_entryCSN;
+ ber_dupbv_x( &fava->f_ava->aa_value, &si->si_ctxcsn, op->o_tmpmemctx );
+ fand->f_and = fava;
+ if ( gotstate ) {
+ fava->f_next = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
+ fava = fava->f_next;
+ fava->f_choice = LDAP_FILTER_GE;
+ fava->f_ava = op->o_tmpalloc( sizeof(AttributeAssertion), op->o_tmpmemctx );
+ fava->f_ava->aa_desc = slap_schema.si_ad_entryCSN;
+ ber_dupbv_x( &fava->f_ava->aa_value, srs->sr_state.ctxcsn, op->o_tmpmemctx );
+ }
+ fava->f_next = op->ors_filter;
+ op->ors_filter = fand;
+ filter2bv_x( op, op->ors_filter, &op->ors_filterstr );
+
+shortcut:
+ /* Let our callback add needed info to returned entries */
+ cb = op->o_tmpcalloc(1, sizeof(slap_callback)+sizeof(searchstate), op->o_tmpmemctx);
+ ss = (searchstate *)(cb+1);
+ ss->ss_on = on;
+ ss->ss_so = sop;
+ cb->sc_response = syncprov_search_response;
+ cb->sc_cleanup = syncprov_search_cleanup;
+ cb->sc_private = ss;
+ cb->sc_next = op->o_callback;
+ op->o_callback = cb;
+
+ op->o_sync_mode &= SLAP_CONTROL_MASK;
+
+ /* If this is a persistent search and no changes were reported during
+ * the refresh phase, just invoke the response callback to transition
+ * us into persist phase
+ */
+ if ( nochange ) {
+ rs->sr_err = LDAP_SUCCESS;
+ rs->sr_nentries = 0;
+ send_ldap_result( op, rs );
+ return rs->sr_err;
+ }
return SLAP_CB_CONTINUE;
}
slap_overinst *on = (slap_overinst *)be->bd_info;
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
+#if 0
if ( strcasecmp( argv[ 0 ], "syncprov-checkpoint" ) == 0 ) {
if ( argc != 3 ) {
fprintf( stderr, "%s: line %d: wrong number of arguments in "
- "\"syncprov-checkpint <ops> <minutes>\"\n", fname, lineno );
+ "\"syncprov-checkpoint <ops> <minutes>\"\n", fname, lineno );
return -1;
}
si->si_chkops = atoi( argv[1] );
} else {
return SLAP_CONF_UNKNOWN;
}
+#endif
- return 0;
-}
-
-/* Read any existing cn=ldapsync context from the underlying db.
- * Then search for any entries newer than that. If no value exists,
- * just generate it. Cache whatever result.
- */
-static int
-syncprov_db_open(
- BackendDB *be
-)
-{
- slap_overinst *on = (slap_overinst *) be->bd_info;
- syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
-
- return 0;
-}
-
-/* Write the current cn=ldapsync context into the underlying db.
- */
-static int
-syncprov_db_close(
- BackendDB *be
-)
-{
- slap_overinst *on = (slap_overinst *) be->bd_info;
- syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
-
- /* for si->si_ops:
- * send DONE messages
- * free si_ops
- */
- return 0;
+ return SLAP_CONF_UNKNOWN;
}
static int
si = ch_calloc(1, sizeof(syncprov_info_t));
on->on_bi.bi_private = si;
-
- ldap_pvt_thread_mutex_init( &si->si_e_mutex );
+ ldap_pvt_thread_mutex_init( &si->si_csn_mutex );
ldap_pvt_thread_mutex_init( &si->si_ops_mutex );
- ldap_pvt_thread_mutex_init( &si->si_chk_mutex );
+ si->si_ctxcsn.bv_val = si->si_ctxcsnbuf;
+
+ csn_anlist[0].an_desc = slap_schema.si_ad_entryCSN;
+ csn_anlist[0].an_name = slap_schema.si_ad_entryCSN->ad_cname;
+
+ uuid_anlist[0].an_desc = slap_schema.si_ad_entryUUID;
+ uuid_anlist[0].an_name = slap_schema.si_ad_entryUUID->ad_cname;
return 0;
}
syncprov_info_t *si = (syncprov_info_t *)on->on_bi.bi_private;
if ( si ) {
- if ( si->si_e ) {
- entry_free( si->si_e );
-
- }
- ldap_pvt_thread_mutex_destroy( &si->si_chk_mutex );
ldap_pvt_thread_mutex_destroy( &si->si_ops_mutex );
- ldap_pvt_thread_mutex_destroy( &si->si_e_mutex );
-
+ ldap_pvt_thread_mutex_destroy( &si->si_csn_mutex );
ch_free( si );
}
return 0;
}
+static int syncprov_parseCtrl (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ ber_tag_t tag;
+ BerElement *ber;
+ ber_int_t mode;
+ ber_len_t len;
+ struct berval cookie = BER_BVNULL;
+ sync_control *sr;
+ int rhint = 0;
+
+ if ( op->o_sync != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "Sync control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( op->o_pagedresults != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "Sync control specified with pagedResults control";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( ctrl->ldctl_value.bv_len == 0 ) {
+ rs->sr_text = "Sync control value is empty (or absent)";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ /* Parse the control value
+ * syncRequestValue ::= SEQUENCE {
+ * mode ENUMERATED {
+ * -- 0 unused
+ * refreshOnly (1),
+ * -- 2 reserved
+ * refreshAndPersist (3)
+ * },
+ * cookie syncCookie OPTIONAL
+ * }
+ */
+
+ ber = ber_init( &ctrl->ldctl_value );
+ if( ber == NULL ) {
+ rs->sr_text = "internal error";
+ return LDAP_OTHER;
+ }
+
+ if ( (tag = ber_scanf( ber, "{i" /*}*/, &mode )) == LBER_ERROR ) {
+ rs->sr_text = "Sync control : mode decoding error";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ switch( mode ) {
+ case LDAP_SYNC_REFRESH_ONLY:
+ mode = SLAP_SYNC_REFRESH;
+ break;
+ case LDAP_SYNC_REFRESH_AND_PERSIST:
+ mode = SLAP_SYNC_REFRESH_AND_PERSIST;
+ break;
+ default:
+ rs->sr_text = "Sync control : unknown update mode";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ tag = ber_peek_tag( ber, &len );
+
+ if ( tag == LDAP_TAG_SYNC_COOKIE ) {
+ if (( ber_scanf( ber, /*{*/ "o", &cookie )) == LBER_ERROR ) {
+ rs->sr_text = "Sync control : cookie decoding error";
+ return LDAP_PROTOCOL_ERROR;
+ }
+ }
+ if ( tag == LDAP_TAG_RELOAD_HINT ) {
+ if (( ber_scanf( ber, /*{*/ "b", &rhint )) == LBER_ERROR ) {
+ rs->sr_text = "Sync control : rhint decoding error";
+ return LDAP_PROTOCOL_ERROR;
+ }
+ }
+ if (( ber_scanf( ber, /*{*/ "}")) == LBER_ERROR ) {
+ rs->sr_text = "Sync control : decoding error";
+ return LDAP_PROTOCOL_ERROR;
+ }
+ sr = op->o_tmpcalloc( 1, sizeof(struct sync_control), op->o_tmpmemctx );
+ sr->sr_rhint = rhint;
+ if (!BER_BVISNULL(&cookie)) {
+ ber_bvarray_add( &sr->sr_state.octet_str, &cookie );
+ slap_parse_sync_cookie( &sr->sr_state );
+ }
+
+ op->o_controls[sync_cid] = sr;
+
+ (void) ber_free( ber, 1 );
+
+ op->o_sync = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ op->o_sync_mode |= mode; /* o_sync_mode shares o_sync */
+
+ return LDAP_SUCCESS;
+}
+
/* This overlay is set up for dynamic loading via moduleload. For static
* configuration, you'll need to arrange for the slap_overinst to be
* initialized and registered by some other function inside slapd.
int
syncprov_init()
{
+ int rc;
+
+ rc = register_supported_control( LDAP_CONTROL_SYNC,
+ SLAP_CTRL_HIDE|SLAP_CTRL_SEARCH, NULL,
+ syncprov_parseCtrl, &sync_cid );
+ if ( rc != LDAP_SUCCESS ) {
+ fprintf( stderr, "Failed to register control %d\n", rc );
+ return rc;
+ }
+
syncprov.on_bi.bi_type = "syncprov";
syncprov.on_bi.bi_db_init = syncprov_db_init;
syncprov.on_bi.bi_db_config = syncprov_db_config;
syncprov.on_bi.bi_db_destroy = syncprov_db_destroy;
- syncprov.on_bi.bi_db_open = syncprov_db_open;
- syncprov.on_bi.bi_db_close = syncprov_db_close;
- syncprov.on_bi.bi_op_add = syncprov_op_add;
+ syncprov.on_bi.bi_op_abandon = syncprov_op_abandon;
+ syncprov.on_bi.bi_op_cancel = syncprov_op_abandon;
+
+ syncprov.on_bi.bi_op_add = syncprov_op_mod;
+#if 0
syncprov.on_bi.bi_op_compare = syncprov_op_compare;
- syncprov.on_bi.bi_op_delete = syncprov_op_delete;
- syncprov.on_bi.bi_op_modify = syncprov_op_modify;
- syncprov.on_bi.bi_op_modrdn = syncprov_op_modrdn;
+#endif
+ syncprov.on_bi.bi_op_delete = syncprov_op_mod;
+ syncprov.on_bi.bi_op_modify = syncprov_op_mod;
+ syncprov.on_bi.bi_op_modrdn = syncprov_op_mod;
syncprov.on_bi.bi_op_search = syncprov_op_search;
syncprov.on_bi.bi_extended = syncprov_op_extended;
+#if 0
syncprov.on_response = syncprov_response;
+#endif
return overlay_register( &syncprov );
}
projects / openldap / blobdiff