lib/tdb2/test/run-05-readonly-open.c

   1 #include <ccan/failtest/failtest_override.h>
   2 #include "tdb2-source.h"
   3 #include <ccan/tap/tap.h>
   4 #include <ccan/failtest/failtest.h>
   5 #include "logging.h"
   6 #include "failtest_helper.h"
   7
   8 int main(int argc, char *argv[])
   9 {
  10         unsigned int i;
  11         struct tdb_context *tdb;
  12         int flags[] = { TDB_DEFAULT, TDB_NOMMAP,
  13                         TDB_CONVERT, TDB_NOMMAP|TDB_CONVERT,
  14                         TDB_VERSION1, TDB_NOMMAP|TDB_VERSION1,
  15                         TDB_CONVERT|TDB_VERSION1,
  16                         TDB_NOMMAP|TDB_CONVERT|TDB_VERSION1 };
  17         struct tdb_data key = tdb_mkdata("key", 3);
  18         struct tdb_data data = tdb_mkdata("data", 4), d;
  19         union tdb_attribute seed_attr;
  20         unsigned int msgs = 0;
  21
  22         failtest_init(argc, argv);
  23         failtest_hook = block_repeat_failures;
  24         failtest_exit_check = exit_check_log;
  25
  26         seed_attr.base.attr = TDB_ATTRIBUTE_SEED;
  27         seed_attr.base.next = &tap_log_attr;
  28         seed_attr.seed.seed = 0;
  29
  30         failtest_suppress = true;
  31         plan_tests(sizeof(flags) / sizeof(flags[0]) * 11);
  32         for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
  33                 tdb = tdb_open("run-05-readonly-open.tdb", flags[i],
  34                                O_RDWR|O_CREAT|O_TRUNC, 0600,
  35                                flags[i] & TDB_VERSION1
  36                                ? &tap_log_attr : &seed_attr);
  37                 ok1(tdb_store(tdb, key, data, TDB_INSERT) == 0);
  38                 tdb_close(tdb);
  39
  40                 failtest_suppress = false;
  41                 tdb = tdb_open("run-05-readonly-open.tdb", flags[i],
  42                                O_RDONLY, 0600, &tap_log_attr);
  43                 if (!ok1(tdb))
  44                         break;
  45                 ok1(tap_log_messages == msgs);
  46                 /* Fetch should succeed, stores should fail. */
  47                 if (!ok1(tdb_fetch(tdb, key, &d) == 0))
  48                         goto fail;
  49                 ok1(tdb_deq(d, data));
  50                 free(d.dptr);
  51                 if (!ok1(tdb_store(tdb, key, data, TDB_MODIFY)
  52                          == TDB_ERR_RDONLY))
  53                         goto fail;
  54                 ok1(tap_log_messages == ++msgs);
  55                 if (!ok1(tdb_store(tdb, key, data, TDB_INSERT)
  56                          == TDB_ERR_RDONLY))
  57                         goto fail;
  58                 ok1(tap_log_messages == ++msgs);
  59                 failtest_suppress = true;
  60                 ok1(tdb_check(tdb, NULL, NULL) == 0);
  61                 tdb_close(tdb);
  62                 ok1(tap_log_messages == msgs);
  63                 /* SIGH: failtest bug, it doesn't save the tdb file because
  64                  * we have it read-only.  If we go around again, it gets
  65                  * changed underneath us and things get screwy. */
  66                 if (failtest_has_failed())
  67                         break;
  68         }
  69         failtest_exit(exit_status());
  70
  71 fail:
  72         failtest_suppress = true;
  73         tdb_close(tdb);
  74         failtest_exit(exit_status());
  75 }