]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/ldapsync.c
ITS#5037 from HEAD, index warning
[openldap] / servers / slapd / ldapsync.c
index 19c74eb6b5d63cd518a8325cc53ce48e29e08e10..abf8df4cf57873196e30cb10c26c3cd9de42ca3e 100644 (file)
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 2003-2004 The OpenLDAP Foundation.
+ * Copyright 2003-2007 The OpenLDAP Foundation.
  * Portions Copyright 2003 IBM Corporation.
  * All rights reserved.
  *
 #include <ac/string.h>
 #include <ac/socket.h>
 
-#include "ldap_pvt.h"
 #include "lutil.h"
 #include "slap.h"
 #include "../../libraries/liblber/lber-int.h" /* get ber_strndup() */
 #include "lutil_ldap.h"
 
-#if 0
-struct sync_cookie *slap_sync_cookie = NULL;
-#else
 struct slap_sync_cookie_s slap_sync_cookie =
        LDAP_STAILQ_HEAD_INITIALIZER( slap_sync_cookie );
-#endif
-
-int
-slap_build_sync_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 ) {
-                       ber_dupbv( &entryuuid_bv, &a->a_nvals[0] );
-               }
-       }
-
-       if ( send_cookie && cookie ) {
-               ber_printf( ber, "{eOON}",
-                       entry_sync_state, &entryuuid_bv, cookie );
-       } else {
-               ber_printf( ber, "{eON}",
-                       entry_sync_state, &entryuuid_bv );
-       }
-
-       ch_free( entryuuid_bv.bv_val );
-       entryuuid_bv.bv_val = NULL;
-
-       ctrls[num_ctrls]->ldctl_oid = LDAP_CONTROL_SYNC_STATE;
-       ctrls[num_ctrls]->ldctl_iscritical = op->o_sync;
-       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;
-}
-
-int
-slap_build_sync_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;
-       ret = ber_flatten2( ber, &ctrls[num_ctrls]->ldctl_value, 1 );
-
-       ber_free_buf( ber );
-
-       if ( ret < 0 ) {
-               Debug( LDAP_DEBUG_TRACE,
-                       "slap_build_sync_done_ctrl: ber_flatten2 failed\n",
-                       0, 0, 0 );
-               send_ldap_error( op, rs, LDAP_OTHER, "internal error" );
-               return ret;
-       }
-
-       return LDAP_SUCCESS;
-}
-
-
-int
-slap_build_sync_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 ) );
-
-       ber_dupbv( &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 );
-       }
-
-       ch_free( entryuuid_bv.bv_val );
-       entryuuid_bv.bv_val = NULL;
-
-       ctrls[num_ctrls]->ldctl_oid = LDAP_CONTROL_SYNC_STATE;
-       ctrls[num_ctrls]->ldctl_iscritical = op->o_sync;
-       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;
-}
-
-int
-slap_send_syncinfo(
-       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,
-                               "slap_send_syncinfo: invalid syncinfo type (%d)\n",
-                               type, 0, 0 );
-                       return LDAP_OTHER;
-               }
-       }
-
-       ret = ber_flatten2( ber, &rspdata, 0 );
-
-       if ( ret < 0 ) {
-               Debug( LDAP_DEBUG_TRACE,
-                       "slap_send_syncinfo: 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;
-}
 
 void
 slap_compose_sync_cookie(
        Operation *op,
        struct berval *cookie,
        struct berval *csn,
-       int sid,
        int rid )
 {
        char cookiestr[ LDAP_LUTIL_CSNSTR_BUFSIZE + 20 ];
+       int len;
 
-       if ( csn->bv_val == NULL ) {
-               if ( sid == -1 ) {
-                       if ( rid == -1 ) {
-                               cookiestr[0] = '\0';
-                       } else {
-                               snprintf( cookiestr, LDAP_LUTIL_CSNSTR_BUFSIZE + 20,
-                                               "rid=%03d", rid );
-                       }
+       if ( BER_BVISNULL( csn )) {
+               if ( rid == -1 ) {
+                       cookiestr[0] = '\0';
+                       len = 0;
                } else {
-                       if ( rid == -1 ) {
-                               snprintf( cookiestr, LDAP_LUTIL_CSNSTR_BUFSIZE + 20,
-                                               "sid=%03d", sid );
-                       } else {
-                               snprintf( cookiestr, LDAP_LUTIL_CSNSTR_BUFSIZE + 20,
-                                               "sid=%03d,rid=%03d", sid, rid );
-                       }
+                       len = snprintf( cookiestr, LDAP_LUTIL_CSNSTR_BUFSIZE + 20,
+                                       "rid=%03d", rid );
                }
        } else {
-               if ( sid == -1 ) {
-                       if ( rid == -1 ) {
-                               snprintf( cookiestr, LDAP_LUTIL_CSNSTR_BUFSIZE + 20,
-                                               "csn=%s", csn->bv_val );
-                       } else {
-                               snprintf( cookiestr, LDAP_LUTIL_CSNSTR_BUFSIZE + 20,
-                                               "csn=%s,rid=%03d", csn->bv_val, rid );
-                       }
-               } else {
-                       if ( rid == -1 ) {
-                               snprintf( cookiestr, LDAP_LUTIL_CSNSTR_BUFSIZE + 20,
-                                               "csn=%s,sid=%03d", csn->bv_val, sid );
-                       } else {
-                               snprintf( cookiestr, LDAP_LUTIL_CSNSTR_BUFSIZE + 20,
-                                               "csn=%s,sid=%03d,rid=%03d", csn->bv_val, sid, rid );
-                       }
+               char *end = cookiestr + sizeof(cookiestr);
+               char *ptr = lutil_strcopy( cookiestr, "csn=" );
+               len = csn->bv_len;
+               if ( ptr + len >= end )
+                       len = end - ptr;
+               ptr = lutil_strncopy( ptr, csn->bv_val, len );
+               if ( rid != -1 && ptr < end - STRLENOF(",rid=xxx") ) {
+                       ptr += sprintf( ptr, ",rid=%03d", rid );
                }
+               len = ptr - cookiestr;
        }
-       ber_str2bv( cookiestr, strlen(cookiestr), 1, cookie );
+       ber_str2bv_x( cookiestr, len, 1, cookie,
+               op ? op->o_tmpmemctx : NULL );
 }
 
 void
@@ -328,14 +73,14 @@ slap_sync_cookie_free(
        if ( cookie == NULL )
                return;
 
-       if ( cookie->ctxcsn ) {
-               ber_bvarray_free( cookie->ctxcsn );
-               cookie->ctxcsn = NULL;
+       if ( !BER_BVISNULL( &cookie->ctxcsn )) {
+               ch_free( cookie->ctxcsn.bv_val );
+               BER_BVZERO( &cookie->ctxcsn );
        }
 
-       if ( cookie->octet_str ) {
-               ber_bvarray_free( cookie->octet_str );
-               cookie->octet_str = NULL;
+       if ( !BER_BVISNULL( &cookie->octet_str )) {
+               ch_free( cookie->octet_str.bv_val );
+               BER_BVZERO( &cookie->octet_str );
        }
 
        if ( free_cookie ) {
@@ -347,64 +92,80 @@ slap_sync_cookie_free(
 
 int
 slap_parse_sync_cookie(
-       struct sync_cookie *cookie
+       struct sync_cookie *cookie,
+       void *memctx
 )
 {
        char *csn_ptr;
        char *csn_str;
        int csn_str_len;
-       char *sid_ptr;
-       char *sid_str;
+       int valid = 0;
        char *rid_ptr;
-       char *rid_str;
        char *cval;
-       struct berval *ctxcsn;
+       char *next;
 
        if ( cookie == NULL )
                return -1;
 
-       if (( csn_ptr = strstr( cookie->octet_str[0].bv_val, "csn=" )) != NULL ) {
-               csn_str = SLAP_STRNDUP( csn_ptr, LDAP_LUTIL_CSNSTR_BUFSIZE );
-               if ( (cval = strchr( csn_str, ',' )) != NULL ) {
-                       *cval = '\0';
-                       csn_str_len = cval - csn_str - (sizeof("csn=") - 1);
-               } else {
-                       csn_str_len = cookie->octet_str[0].bv_len -
-                                                       (csn_ptr - cookie->octet_str[0].bv_val) -
-                                                       (sizeof("csn=") - 1);
-               }
-               ctxcsn = ber_str2bv( csn_str + (sizeof("csn=")-1),
-                                                        csn_str_len, 1, NULL );
-               ch_free( csn_str );
-               ber_bvarray_add( &cookie->ctxcsn, ctxcsn );
-               ch_free( ctxcsn );
-       } else {
-               cookie->ctxcsn = NULL;
+       if ( cookie->octet_str.bv_len <= STRLENOF( "rid=" ) )
+               return -1;
+
+       cookie->rid = -1;
+       /* FIXME: may read past end of cookie->octet_str.bv_val */
+       rid_ptr = strstr( cookie->octet_str.bv_val, "rid=" );
+       if ( rid_ptr == NULL 
+               || rid_ptr > &cookie->octet_str.bv_val[ cookie->octet_str.bv_len - STRLENOF( "rid=" ) ] )
+       {
+               return -1;
        }
 
-       if (( sid_ptr = strstr( cookie->octet_str->bv_val, "sid=" )) != NULL ) {
-               sid_str = SLAP_STRNDUP( sid_ptr,
-                                                       SLAP_SYNC_SID_SIZE + sizeof("sid=") - 1 );
-               if ( (cval = strchr( sid_str, ',' )) != NULL ) {
-                       *cval = '\0';
-               }
-               cookie->sid = atoi( sid_str + sizeof("sid=") - 1 );
-               ch_free( sid_str );
-       } else {
-               cookie->sid = -1;
+       if ( rid_ptr[ STRLENOF( "rid=" ) ] == '-' ) {
+               return -1;
        }
 
-       if (( rid_ptr = strstr( cookie->octet_str->bv_val, "rid=" )) != NULL ) {
-               rid_str = SLAP_STRNDUP( rid_ptr,
-                                                       SLAP_SYNC_RID_SIZE + sizeof("rid=") - 1 );
-               if ( (cval = strchr( rid_str, ',' )) != NULL ) {
-                       *cval = '\0';
+       cookie->rid = strtoul( &rid_ptr[ STRLENOF( "rid=" ) ], &next, 10 );
+       if ( next == &rid_ptr[ STRLENOF( "rid=" ) ] || ( next[ 0 ] != ',' && next[ 0 ] != '\0' ) ) {
+               return -1;
+       }
+
+       while (( csn_ptr = strstr( cookie->octet_str.bv_val, "csn=" )) != NULL ) {
+               AttributeDescription *ad = slap_schema.si_ad_modifyTimestamp;
+               slap_syntax_validate_func *validate;
+               struct berval stamp;
+
+               /* This only happens when called from main */
+               if ( ad == NULL )
+                       break;
+
+               if ( csn_ptr >= &cookie->octet_str.bv_val[ cookie->octet_str.bv_len - STRLENOF( "csn=" ) ] ) {
+                       return -1;
                }
-               cookie->rid = atoi( rid_str + sizeof("rid=") - 1 );
-               ch_free( rid_str );
+
+               csn_str = csn_ptr + STRLENOF("csn=");
+               cval = strchr( csn_str, ',' );
+               if ( cval && cval < &cookie->octet_str.bv_val[ cookie->octet_str.bv_len ] )
+                       csn_str_len = cval - csn_str;
+               else
+                       csn_str_len = 0;
+
+               /* FIXME use csnValidate when it gets implemented */
+               csn_ptr = strchr( csn_str, '#' );
+               if ( !csn_ptr || csn_str >= &cookie->octet_str.bv_val[ cookie->octet_str.bv_len ] ) break;
+
+               stamp.bv_val = csn_str;
+               stamp.bv_len = csn_ptr - csn_str;
+               validate = ad->ad_type->sat_syntax->ssyn_validate;
+               if ( validate( ad->ad_type->sat_syntax, &stamp ) != LDAP_SUCCESS )
+                       break;
+               valid = 1;
+               break;
+       }
+       if ( valid ) {
+               ber_str2bv_x( csn_str, csn_str_len, 1, &cookie->ctxcsn, memctx );
        } else {
-               cookie->rid = -1;
+               BER_BVZERO( &cookie->ctxcsn );
        }
+
        return 0;
 }
 
@@ -416,8 +177,6 @@ slap_init_sync_cookie_ctxcsn(
        char csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE + 4 ];
        struct berval octet_str = BER_BVNULL;
        struct berval ctxcsn = BER_BVNULL;
-       struct berval ctxcsn_dup = BER_BVNULL;
-       struct berval slap_syncCookie;
 
        if ( cookie == NULL )
                return -1;
@@ -426,17 +185,12 @@ slap_init_sync_cookie_ctxcsn(
                                        "csn=%4d%02d%02d%02d%02d%02dZ#%06x#%02x#%06x",
                                        1900, 1, 1, 0, 0, 0, 0, 0, 0 );
        octet_str.bv_val = csnbuf;
-       build_new_dn( &slap_syncCookie, &cookie->octet_str[0], &octet_str, NULL );
-       ber_bvarray_free( cookie->octet_str );
-       cookie->octet_str = NULL;
-       ber_bvarray_add( &cookie->octet_str, &slap_syncCookie );
-
-       ber_dupbv( &ctxcsn, &octet_str );
-       ctxcsn.bv_val += 4;
-       ctxcsn.bv_len -= 4;
-       ber_dupbv( &ctxcsn_dup, &ctxcsn );
-       ch_free( ctxcsn.bv_val );
-       ber_bvarray_add( &cookie->ctxcsn, &ctxcsn_dup );
+       ch_free( cookie->octet_str.bv_val );
+       ber_dupbv( &cookie->octet_str, &octet_str );
+
+       ctxcsn.bv_val = octet_str.bv_val + 4;
+       ctxcsn.bv_len = octet_str.bv_len - 4;
+       ber_dupbv( &cookie->ctxcsn, &ctxcsn );
 
        return 0;
 }
@@ -447,62 +201,32 @@ slap_dup_sync_cookie(
        struct sync_cookie *src
 )
 {
-       int i;
        struct sync_cookie *new;
-       struct berval tmp_bv;
 
        if ( src == NULL )
                return NULL;
 
        if ( dst ) {
-               ber_bvarray_free( dst->ctxcsn );
-               ber_bvarray_free( dst->octet_str );
+               ch_free( dst->ctxcsn.bv_val );
+               ch_free( dst->octet_str.bv_val );
+               BER_BVZERO( &dst->ctxcsn );
+               BER_BVZERO( &dst->octet_str );
                new = dst;
        } else {
                new = ( struct sync_cookie * )
                                ch_calloc( 1, sizeof( struct sync_cookie ));
        }
 
-       new->sid = src->sid;
        new->rid = src->rid;
 
-       if ( src->ctxcsn ) {
-               for ( i=0; src->ctxcsn[i].bv_val; i++ ) {
-                       ber_dupbv( &tmp_bv, &src->ctxcsn[i] );
-                       ber_bvarray_add( &new->ctxcsn, &tmp_bv );
-               }
+       if ( !BER_BVISNULL( &src->ctxcsn )) {
+               ber_dupbv( &new->ctxcsn, &src->ctxcsn );
        }
 
-       if ( src->octet_str ) {
-               for ( i=0; src->octet_str[i].bv_val; i++ ) {
-                       ber_dupbv( &tmp_bv, &src->octet_str[i] );
-                       ber_bvarray_add( &new->octet_str, &tmp_bv );
-               }
+       if ( !BER_BVISNULL( &src->octet_str )) {
+               ber_dupbv( &new->octet_str, &src->octet_str );
        }
 
        return new;
 }
 
-int
-slap_build_syncUUID_set(
-       Operation *op,
-       BerVarray *set,
-       Entry *e
-)
-{
-       int ret;
-       Attribute* a;
-
-       struct berval entryuuid_bv      = BER_BVNULL;
-
-       for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
-               AttributeDescription *desc = a->a_desc;
-               if ( desc == slap_schema.si_ad_entryUUID ) {
-                       ber_dupbv_x( &entryuuid_bv, &a->a_nvals[0], op->o_tmpmemctx );
-               }
-       }
-
-       ret = ber_bvarray_add_x( set, &entryuuid_bv, op->o_tmpmemctx );
-
-       return ret;
-}