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Diffstat (limited to 'lib/tdb2/test/run-capabilities.c')
-rw-r--r--lib/tdb2/test/run-capabilities.c218
1 files changed, 218 insertions, 0 deletions
diff --git a/lib/tdb2/test/run-capabilities.c b/lib/tdb2/test/run-capabilities.c
new file mode 100644
index 0000000000..e302656108
--- /dev/null
+++ b/lib/tdb2/test/run-capabilities.c
@@ -0,0 +1,218 @@
+#include <ccan/failtest/failtest_override.h>
+#include "tdb2-source.h"
+#include <ccan/tap/tap.h>
+#include "logging.h"
+#include "layout.h"
+#include "failtest_helper.h"
+#include <stdarg.h>
+#include <err.h>
+
+static size_t len_of(bool breaks_check, bool breaks_write, bool breaks_open)
+{
+ size_t len = 0;
+ if (breaks_check)
+ len += 8;
+ if (breaks_write)
+ len += 16;
+ if (breaks_open)
+ len += 32;
+ return len;
+}
+
+/* Creates a TDB with various capabilities. */
+static void create_tdb(const char *name,
+ unsigned int cap,
+ bool breaks_check,
+ bool breaks_write,
+ bool breaks_open, ...)
+{
+ TDB_DATA key, data;
+ va_list ap;
+ struct tdb_layout *layout;
+ struct tdb_context *tdb;
+ int fd;
+
+ key = tdb_mkdata("Hello", 5);
+ data = tdb_mkdata("world", 5);
+
+ /* Create a TDB with some data, and some capabilities */
+ layout = new_tdb_layout();
+ tdb_layout_add_freetable(layout);
+ tdb_layout_add_used(layout, key, data, 6);
+ tdb_layout_add_free(layout, 80, 0);
+ tdb_layout_add_capability(layout, cap,
+ breaks_write, breaks_check, breaks_open,
+ len_of(breaks_check, breaks_write, breaks_open));
+
+ va_start(ap, breaks_open);
+ while ((cap = va_arg(ap, int)) != 0) {
+ breaks_check = va_arg(ap, int);
+ breaks_write = va_arg(ap, int);
+ breaks_open = va_arg(ap, int);
+
+ key.dsize--;
+ tdb_layout_add_used(layout, key, data, 11 - key.dsize);
+ tdb_layout_add_free(layout, 80, 0);
+ tdb_layout_add_capability(layout, cap,
+ breaks_write, breaks_check,
+ breaks_open,
+ len_of(breaks_check, breaks_write,
+ breaks_open));
+ }
+ va_end(ap);
+
+ /* We open-code this, because we need to use the failtest write. */
+ tdb = tdb_layout_get(layout, failtest_free, &tap_log_attr);
+
+ fd = open(name, O_RDWR|O_TRUNC|O_CREAT, 0600);
+ if (fd < 0)
+ err(1, "opening %s for writing", name);
+ if (write(fd, tdb->file->map_ptr, tdb->file->map_size)
+ != tdb->file->map_size)
+ err(1, "writing %s", name);
+ close(fd);
+ tdb_close(tdb);
+ tdb_layout_free(layout);
+}
+
+/* Note all the "goto out" early exits: they're to shorten failtest time. */
+int main(int argc, char *argv[])
+{
+ struct tdb_context *tdb;
+
+ failtest_init(argc, argv);
+ failtest_hook = block_repeat_failures;
+ failtest_exit_check = exit_check_log;
+ plan_tests(35);
+
+ failtest_suppress = true;
+ /* Capability says you can ignore it? */
+ create_tdb("run-capabilities.tdb", 1, false, false, false, 0);
+
+ failtest_suppress = false;
+ tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
+ &tap_log_attr);
+ failtest_suppress = true;
+ if (!ok1(tdb))
+ goto out;
+ ok1(tap_log_messages == 0);
+ ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
+ ok1(tap_log_messages == 0);
+ tdb_close(tdb);
+
+ /* Two capabilitues say you can ignore them? */
+ create_tdb("run-capabilities.tdb",
+ 1, false, false, false,
+ 2, false, false, false, 0);
+
+ failtest_suppress = false;
+ tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
+ &tap_log_attr);
+ failtest_suppress = true;
+ if (!ok1(tdb))
+ goto out;
+ ok1(tap_log_messages == 0);
+ ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
+ ok1(tap_log_messages == 0);
+ tdb_close(tdb);
+
+ /* Capability says you can't check. */
+ create_tdb("run-capabilities.tdb",
+ 1, false, false, false,
+ 2, true, false, false, 0);
+
+ failtest_suppress = false;
+ tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
+ &tap_log_attr);
+ failtest_suppress = true;
+ if (!ok1(tdb))
+ goto out;
+ ok1(tap_log_messages == 0);
+ ok1(tdb_get_flags(tdb) & TDB_CANT_CHECK);
+ ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
+ /* We expect a warning! */
+ ok1(tap_log_messages == 1);
+ ok1(strstr(log_last, "capabilit"));
+ tdb_close(tdb);
+
+ /* Capability says you can't write. */
+ create_tdb("run-capabilities.tdb",
+ 1, false, false, false,
+ 2, false, true, false, 0);
+
+ failtest_suppress = false;
+ tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
+ &tap_log_attr);
+ failtest_suppress = true;
+ /* We expect a message. */
+ ok1(!tdb);
+ if (!ok1(tap_log_messages == 2))
+ goto out;
+ if (!ok1(strstr(log_last, "unknown")))
+ goto out;
+ ok1(strstr(log_last, "write"));
+
+ /* We can open it read-only though! */
+ failtest_suppress = false;
+ tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDONLY, 0,
+ &tap_log_attr);
+ failtest_suppress = true;
+ if (!ok1(tdb))
+ goto out;
+ ok1(tap_log_messages == 2);
+ ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
+ ok1(tap_log_messages == 2);
+ tdb_close(tdb);
+
+ /* Capability says you can't open. */
+ create_tdb("run-capabilities.tdb",
+ 1, false, false, false,
+ 2, false, false, true, 0);
+
+ failtest_suppress = false;
+ tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
+ &tap_log_attr);
+ failtest_suppress = true;
+ /* We expect a message. */
+ ok1(!tdb);
+ if (!ok1(tap_log_messages == 3))
+ goto out;
+ if (!ok1(strstr(log_last, "unknown")))
+ goto out;
+
+ /* Combine capabilities correctly. */
+ create_tdb("run-capabilities.tdb",
+ 1, false, false, false,
+ 2, true, false, false,
+ 3, false, true, false, 0);
+
+ failtest_suppress = false;
+ tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDWR, 0,
+ &tap_log_attr);
+ failtest_suppress = true;
+ /* We expect a message. */
+ ok1(!tdb);
+ if (!ok1(tap_log_messages == 4))
+ goto out;
+ if (!ok1(strstr(log_last, "unknown")))
+ goto out;
+ ok1(strstr(log_last, "write"));
+
+ /* We can open it read-only though! */
+ failtest_suppress = false;
+ tdb = tdb_open("run-capabilities.tdb", TDB_DEFAULT, O_RDONLY, 0,
+ &tap_log_attr);
+ failtest_suppress = true;
+ if (!ok1(tdb))
+ goto out;
+ ok1(tap_log_messages == 4);
+ ok1(tdb_get_flags(tdb) & TDB_CANT_CHECK);
+ ok1(tdb_check(tdb, NULL, NULL) == TDB_SUCCESS);
+ /* We expect a warning! */
+ ok1(tap_log_messages == 5);
+ ok1(strstr(log_last, "unknown"));
+ tdb_close(tdb);
+
+out:
+ failtest_exit(exit_status());
+}