lib/tdb/test/run-bad-tdb-header.c

   1 #include "../common/tdb_private.h"
   2 #include "../common/io.c"
   3 #include "../common/tdb.c"
   4 #include "../common/lock.c"
   5 #include "../common/freelist.c"
   6 #include "../common/traverse.c"
   7 #include "../common/transaction.c"
   8 #include "../common/error.c"
   9 #include "../common/open.c"
  10 #include "../common/check.c"
  11 #include "../common/hash.c"
  12 #include "tap-interface.h"
  13 #include <stdlib.h>
  14 #include "logging.h"
  15
  16 int main(int argc, char *argv[])
  17 {
  18         struct tdb_context *tdb;
  19         struct tdb_header hdr;
  20         int fd;
  21
  22         plan_tests(11);
  23         /* Can open fine if complete crap, as long as O_CREAT. */
  24         fd = open("run-bad-tdb-header.tdb", O_RDWR|O_CREAT|O_TRUNC, 0600);
  25         ok1(fd >= 0);
  26         ok1(write(fd, "hello world", 11) == 11);
  27         close(fd);
  28         tdb = tdb_open_ex("run-bad-tdb-header.tdb", 1024, 0, O_RDWR, 0,
  29                           &taplogctx, NULL);
  30         ok1(!tdb);
  31         tdb = tdb_open_ex("run-bad-tdb-header.tdb", 1024, 0, O_CREAT|O_RDWR,
  32                           0600, &taplogctx, NULL);
  33         ok1(tdb);
  34         tdb_close(tdb);
  35
  36         /* Now, with wrong version it should *not* overwrite. */
  37         fd = open("run-bad-tdb-header.tdb", O_RDWR);
  38         ok1(fd >= 0);
  39         ok1(read(fd, &hdr, sizeof(hdr)) == sizeof(hdr));
  40         ok1(hdr.version == TDB_VERSION);
  41         hdr.version++;
  42         lseek(fd, 0, SEEK_SET);
  43         ok1(write(fd, &hdr, sizeof(hdr)) == sizeof(hdr));
  44         close(fd);
  45
  46         tdb = tdb_open_ex("run-bad-tdb-header.tdb", 1024, 0, O_RDWR|O_CREAT,
  47                           0600, &taplogctx, NULL);
  48         ok1(errno == EIO);
  49         ok1(!tdb);
  50
  51         /* With truncate, will be fine. */
  52         tdb = tdb_open_ex("run-bad-tdb-header.tdb", 1024, 0,
  53                           O_RDWR|O_CREAT|O_TRUNC, 0600, &taplogctx, NULL);
  54         ok1(tdb);
  55         tdb_close(tdb);
  56
  57         return exit_status();
  58 }