#include "kadm5_locl.h"
RCSID("$Id$");
static kadm5_ret_t
change(void *server_handle,
krb5_principal princ,
const char *password,
krb5_enctype *enctypes,
int cond)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
Key *keys;
size_t num_keys;
int existsp = 0;
int flags;
unsigned int modify_flags;
memset(&ent, 0, sizeof(ent));
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
flags = HDB_F_GET_ANY|HDB_F_ADMIN_DATA;
if (cond)
flags |= HDB_F_DECRYPT;
ret = context->db->hdb_fetch(context->context, context->db, princ, flags, &ent);
if(ret)
goto out;
modify_flags = KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
KADM5_KVNO | KADM5_PW_EXPIRATION | KADM5_TL_DATA;
if (context->db->hdb_capability_flags & HDB_CAP_F_HANDLE_PASSWORDS) {
ret = context->db->hdb_password(context->context, context->db,
&ent, password, cond);
if (ret)
goto out2;
} else {
num_keys = ent.entry.keys.len;
keys = ent.entry.keys.val;
ent.entry.keys.len = 0;
ent.entry.keys.val = NULL;
ret = _kadm5_set_keys(context, &ent.entry, password, enctypes);
if(ret) {
_kadm5_free_keys (context->context, num_keys, keys);
goto out2;
}
if (cond)
existsp = _kadm5_exists_keys (ent.entry.keys.val,
ent.entry.keys.len,
keys, num_keys);
_kadm5_free_keys (context->context, num_keys, keys);
if (existsp) {
ret = KADM5_PASS_REUSE;
krb5_set_error_message(context->context, ret,
"Password reuse forbidden");
goto out2;
}
modify_flags |= KADM5_KEY_DATA;
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
}
ent.entry.kvno++;
ret = _kadm5_set_modifier(context, &ent.entry);
if(ret)
goto out2;
ret = _kadm5_bump_pw_expire(context, &ent.entry);
if (ret)
goto out2;
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE|HDB_F_CHANGE_PASSWORD, &ent);
if (ret)
goto out2;
kadm5_log_modify(context, &ent.entry, modify_flags);
out2:
hdb_free_entry(context->context, &ent);
out:
context->db->hdb_close(context->context, context->db);
return _kadm5_error_code(ret);
}
kadm5_ret_t
kadm5_s_chpass_principal_cond(void *server_handle,
krb5_principal princ,
const char *password,
krb5_enctype *enctypes)
{
return change (server_handle, princ, password, enctypes, 1);
}
kadm5_ret_t
kadm5_s_chpass_principal(void *server_handle,
krb5_principal princ,
const char *password,
krb5_enctype *enctypes)
{
return change (server_handle, princ, password, enctypes, 0);
}
kadm5_ret_t
kadm5_s_chpass_principal_with_key(void *server_handle,
krb5_principal princ,
int n_key_data,
krb5_key_data *key_data)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
memset(&ent, 0, sizeof(ent));
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
ret = context->db->hdb_fetch(context->context, context->db, princ,
HDB_F_GET_ANY|HDB_F_ADMIN_DATA, &ent);
if(ret == HDB_ERR_NOENTRY)
goto out;
ret = _kadm5_set_keys2(context, &ent.entry, n_key_data, key_data);
if(ret)
goto out2;
ent.entry.kvno++;
ret = _kadm5_set_modifier(context, &ent.entry);
if(ret)
goto out2;
ret = _kadm5_bump_pw_expire(context, &ent.entry);
if (ret)
goto out2;
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
if (ret)
goto out2;
kadm5_log_modify (context,
&ent.entry,
KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION |
KADM5_TL_DATA);
out2:
hdb_free_entry(context->context, &ent);
out:
context->db->hdb_close(context->context, context->db);
return _kadm5_error_code(ret);
}