patch.4.6.21.3

   1 *** sequence/sequence.c
   2 --- sequence/sequence.c
   3 ***************
   4 *** 196,202 ****
   5         if ((ret = __db_get_flags(dbp, &tflags)) != 0)
   6                 goto err;
   7
   8 !       if (DB_IS_READONLY(dbp)) {
   9                 ret = __db_rdonly(dbp->dbenv, "DB_SEQUENCE->open");
  10                 goto err;
  11         }
  12 --- 196,206 ----
  13         if ((ret = __db_get_flags(dbp, &tflags)) != 0)
  14                 goto err;
  15
  16 !       /*
  17 !        * We can let replication clients open sequences, but must
  18 !        * check later that they do not update them.
  19 !        */
  20 !       if (F_ISSET(dbp, DB_AM_RDONLY)) {
  21                 ret = __db_rdonly(dbp->dbenv, "DB_SEQUENCE->open");
  22                 goto err;
  23         }
  24 ***************
  25 *** 252,257 ****
  26 --- 256,266 ----
  27                 if ((ret != DB_NOTFOUND && ret != DB_KEYEMPTY) ||
  28                     !LF_ISSET(DB_CREATE))
  29                         goto err;
  30 +               if (IS_REP_CLIENT(dbenv) &&
  31 +                   !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
  32 +                       ret = __db_rdonly(dbenv, "DB_SEQUENCE->open");
  33 +                       goto err;
  34 +               }
  35                 ret = 0;
  36
  37                 rp = &seq->seq_record;
  38 ***************
  39 *** 304,310 ****
  40          */
  41         rp = seq->seq_data.data;
  42         if (rp->seq_version == DB_SEQUENCE_OLDVER) {
  43 ! oldver:               rp->seq_version = DB_SEQUENCE_VERSION;
  44                 if (__db_isbigendian()) {
  45                         if (IS_DB_AUTO_COMMIT(dbp, txn)) {
  46                                 if ((ret =
  47 --- 313,324 ----
  48          */
  49         rp = seq->seq_data.data;
  50         if (rp->seq_version == DB_SEQUENCE_OLDVER) {
  51 ! oldver:               if (IS_REP_CLIENT(dbenv) &&
  52 !                   !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
  53 !                       ret = __db_rdonly(dbenv, "DB_SEQUENCE->open");
  54 !                       goto err;
  55 !               }
  56 !               rp->seq_version = DB_SEQUENCE_VERSION;
  57                 if (__db_isbigendian()) {
  58                         if (IS_DB_AUTO_COMMIT(dbp, txn)) {
  59                                 if ((ret =
  60 ***************
  61 *** 713,718 ****
  62 --- 727,738 ----
  63
  64         MUTEX_LOCK(dbenv, seq->mtx_seq);
  65
  66 +       if (handle_check && IS_REP_CLIENT(dbenv) &&
  67 +           !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
  68 +               ret = __db_rdonly(dbenv, "DB_SEQUENCE->get");
  69 +               goto err;
  70 +       }
  71 +
  72         if (rp->seq_min + delta > rp->seq_max) {
  73                 __db_errx(dbenv, "Sequence overflow");
  74                 ret = EINVAL;