1 files changed, 110 insertions, 0 deletions
diff --git a/src/util/dict_fail.c b/src/util/dict_fail.c
new file mode 100644
index 0000000..06c10f5
--- /dev/null
+++ b/src/util/dict_fail.c
@@ -0,0 +1,110 @@
+/*++
+/* NAME
+/*	dict_fail 3
+/* SUMMARY
+/*	dictionary manager interface to 'always fail' table
+/* SYNOPSIS
+/*	#include <dict_fail.h>
+/*
+/*	DICT	*dict_fail_open(name, open_flags, dict_flags)
+/*	const char *name;
+/*	int	open_flags;
+/*	int	dict_flags;
+/* DESCRIPTION
+/*	dict_fail_open() implements a dummy dictionary that fails
+/*	all operations. The name can be used for logging.
+/* SEE ALSO
+/*	dict(3) generic dictionary manager
+/* LICENSE
+/* .ad
+/* .fi
+/*	The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/*	Wietse Venema
+/*	IBM T.J. Watson Research
+/*	P.O. Box 704
+/*	Yorktown Heights, NY 10598, USA
+/*--*/
+
+/* System library. */
+
+#include <sys_defs.h>
+
+/* Utility library. */
+
+#include <mymalloc.h>
+#include <msg.h>
+#include <dict.h>
+#include <dict_fail.h>
+
+/* Application-specific. */
+
+typedef struct {
+    DICT    dict;			/* generic members */
+    int     dict_errno;			/* fixed error result */
+} DICT_FAIL;
+
+/* dict_fail_sequence - fail lookup */
+
+static int dict_fail_sequence(DICT *dict, int unused_func,
+			              const char **key, const char **value)
+{
+    DICT_FAIL *dp = (DICT_FAIL *) dict;
+
+    DICT_ERR_VAL_RETURN(dict, dp->dict_errno, DICT_STAT_ERROR);
+}
+
+/* dict_fail_update - fail lookup */
+
+static int dict_fail_update(DICT *dict, const char *unused_name,
+			            const char *unused_value)
+{
+    DICT_FAIL *dp = (DICT_FAIL *) dict;
+
+    DICT_ERR_VAL_RETURN(dict, dp->dict_errno, DICT_STAT_ERROR);
+}
+
+/* dict_fail_lookup - fail lookup */
+
+static const char *dict_fail_lookup(DICT *dict, const char *unused_name)
+{
+    DICT_FAIL *dp = (DICT_FAIL *) dict;
+
+    DICT_ERR_VAL_RETURN(dict, dp->dict_errno, (char *) 0);
+}
+
+/* dict_fail_delete - fail delete */
+
+static int dict_fail_delete(DICT *dict, const char *unused_name)
+{
+    DICT_FAIL *dp = (DICT_FAIL *) dict;
+
+    DICT_ERR_VAL_RETURN(dict, dp->dict_errno, DICT_STAT_ERROR);
+}
+
+/* dict_fail_close - close fail dictionary */
+
+static void dict_fail_close(DICT *dict)
+{
+    dict_free(dict);
+}
+
+/* dict_fail_open - make association with fail variable */
+
+DICT   *dict_fail_open(const char *name, int open_flags, int dict_flags)
+{
+    DICT_FAIL *dp;
+
+    dp = (DICT_FAIL *) dict_alloc(DICT_TYPE_FAIL, name, sizeof(*dp));
+    dp->dict.lookup = dict_fail_lookup;
+    if (open_flags & O_RDWR) {
+	dp->dict.update = dict_fail_update;
+	dp->dict.delete = dict_fail_delete;
+    }
+    dp->dict.sequence = dict_fail_sequence;
+    dp->dict.close = dict_fail_close;
+    dp->dict.flags = dict_flags | DICT_FLAG_PATTERN;
+    dp->dict_errno = DICT_ERR_RETRY;
+    dp->dict.owner.status = DICT_OWNER_TRUSTED;
+    return (DICT_DEBUG (&dp->dict));
+}