heimdal: Vendor import f62e2f278vendor/heimdal/7.8.0-2023-06-10-f62e2f278vendor/heimdal

Heimdal 7.8.0 does not support OpenSSL 3.0. 7.9.0 will but it hasn't
been released yet. We are importing f62e2f278 for its OpenSSL 3.0
support.

1 files changed, 17 insertions, 1 deletions

diff --git a/lib/hdb/dbinfo.c b/lib/hdb/dbinfo.c
index e2890255b2ef..60b11f8cd663 100644
--- a/lib/hdb/dbinfo.c
+++ b/lib/hdb/dbinfo.c
@@ -271,5 +271,21 @@ hdb_db_dir(krb5_context context)
 const char *
 hdb_default_db(krb5_context context)
 {
-    return HDB_DEFAULT_DB;
+    static char *default_hdb = NULL;
+    struct hdb_dbinfo *dbinfo = NULL;
+    struct hdb_dbinfo *d = NULL;
+    const char *s;
+
+    if (default_hdb)
+        return default_hdb;
+
+    (void) hdb_get_dbinfo(context, &dbinfo);
+    while ((d = hdb_dbinfo_get_next(dbinfo, d)) != NULL) {
+        if ((s = hdb_dbinfo_get_dbname(context, d)) &&
+            (default_hdb = strdup(s)))
+            break;
+    }
+
+    hdb_free_dbinfo(context, &dbinfo);
+    return default_hdb ? default_hdb : HDB_DEFAULT_DB;
 }