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new functions hdb_create', hdb_set_master_key' and

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`hdb_clear_master_key'


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@3624 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1997-10-16 04:12:12 +00:00
parent 51c173cc38
commit 68ad7b9805
1 changed files with 39 additions and 15 deletions
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54
lib/hdb/hdb.c
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@@ -150,7 +150,6 @@ hdb_unseal_key(Key *key, krb5_data schedule)
return new_key;
}
/* is it useful to have this public? */
void
hdb_seal_key(Key *key, krb5_data schedule)
{
@@ -303,28 +302,53 @@ hdb_init_db(krb5_context context, HDB *db)
}
krb5_error_code
hdb_open(krb5_context context, HDB **db,
const char *filename, int flags, mode_t mode)
hdb_create(krb5_context context, HDB **db, const char *filename)
{
krb5_error_code ret = 0;
if(filename == NULL)
filename = HDB_DEFAULT_DB;
initialize_hdb_error_table(&context->et_list);
#ifdef HAVE_DB_H
ret = hdb_db_open(context, db, filename, flags, mode);
ret = hdb_db_create(context, db, filename);
#elif HAVE_NDBM_H
ret = hdb_ndbm_open(context, db, filename, flags, mode);
ret = hdb_ndbm_create(context, db, filename);
#else
krb5_errx(context, 1, "No database support! (hdb_open)");
krb5_errx(context, 1, "No database support! (hdb_create)");
#endif
if(ret == 0){
if(((flags & O_ACCMODE) == O_WRONLY || (flags & O_ACCMODE) == O_RDWR) &&
(flags & O_CREAT))
ret = hdb_init_db(context, *db);
else
ret = hdb_check_db_format(context, *db);
if(ret)
(*db)->close(context, *db);
}
return ret;
}
krb5_error_code
hdb_set_master_key (krb5_context context,
HDB *db,
const char *keyfile)
{
EncryptionKey key;
krb5_error_code ret;
ret = hdb_read_master_key(context, keyfile, &key);
if (ret) {
if (ret != ENOENT)
return ret;
} else {
ret = hdb_process_master_key(context, key, &db->master_key);
if (ret)
return ret;
des_set_random_generator_seed(key.keyvalue.data);
db->master_key_set = 1;
memset(key.keyvalue.data, 0, key.keyvalue.length);
free_EncryptionKey(&key);
}
return 0;
}
krb5_error_code
hdb_clear_master_key (krb5_context context,
HDB *db)
{
if (db->master_key_set) {
memset(db->master_key.data, 0, db->master_key.length);
krb5_data_free(&db->master_key);
db->master_key_set = 0;
}
}