oysteikt/heimdal
0
0
Fork 0
Code Issues 5 Pull Requests Releases Activity

add support for upgrading database versions

Browse Source 
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@6109 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
1999-05-03 18:08:36 +00:00
parent 415367a914
commit 58e33ad11d
1 changed files with 48 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
lib/hdb/convert_db.c
View File

@@ -43,7 +43,7 @@
RCSID("$Id$");
static krb5_error_code
func(krb5_context context, HDB *db, hdb_entry *entry, void *data)
update_keytypes(krb5_context context, HDB *db, hdb_entry *entry, void *data)
{
int i;
int n = 0;
@@ -89,10 +89,25 @@ func(krb5_context context, HDB *db, hdb_entry *entry, void *data)
return 0;
}
static krb5_error_code
update_version2(krb5_context context, HDB *db, hdb_entry *entry, void *data)
{
HDB *new = data;
if(!db->master_key_set) {
int i;
for(i = 0; i < entry->keys.len; i++) {
free(entry->keys.val[i].mkvno);
entry->keys.val[i].mkvno = NULL;
}
}
new->store(context, new, HDB_F_REPLACE, entry);
return 0;
}
char *old_database = HDB_DEFAULT_DB;
char *new_database = HDB_DEFAULT_DB ".new";
char *mkeyfile;
int update_version;
int help_flag;
int version_flag;
@@ -103,6 +118,8 @@ struct getargs args[] = {
"name of converted database", "file" },
{ "master-key", 0, arg_string, &mkeyfile,
"v5 master key file", "file" },
{ "update-version", 0, arg_flag, &update_version,
"update the database to the current version" },
{ "help", 'h', arg_flag, &help_flag },
{ "version", 0, arg_flag, &version_flag }
};
@@ -155,12 +172,40 @@ main(int argc, char **argv)
if (ret)
krb5_err(context, 1, ret, "hdb_set_master_key");
ret = db->open(context, db, O_RDONLY, 0);
if(ret)
if(ret == HDB_ERR_BADVERSION) {
krb5_data tag;
krb5_data version;
int foo;
unsigned ver;
tag.data = HDB_DB_FORMAT_ENTRY;
tag.length = strlen(tag.data);
ret = (*db->_get)(context, db, tag, &version);
if(ret)
krb5_errx(context, 1, "database is wrong version, "
"but couldn't find version key (%s)",
HDB_DB_FORMAT_ENTRY);
foo = sscanf(version.data, "%u", &ver);
krb5_data_free (&version);
if(foo != 1)
krb5_errx(context, 1, "database version is not a number");
if(ver == 1 && HDB_DB_FORMAT == 2) {
krb5_warnx(context, "will upgrade database from version %d to %d",
ver, HDB_DB_FORMAT);
krb5_warnx(context, "rerun to do other conversions");
update_version = 1;
} else
krb5_errx(context, 1,
"don't know how to upgrade from version %d to %d",
ver, HDB_DB_FORMAT);
} else if(ret)
krb5_err(context, 1, ret, "%s", old_database);
ret = new->open(context, new, O_CREAT|O_EXCL|O_RDWR, 0600);
if(ret)
krb5_err(context, 1, ret, "%s", new_database);
ret = hdb_foreach(context, db, 0, func, new);
if(update_version)
ret = hdb_foreach(context, db, 0, update_version2, new);
else
ret = hdb_foreach(context, db, 0, update_keytypes, new);
if(ret != 0)
krb5_err(context, 1, ret, "hdb_foreach");
db->close(context, db);