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/* Copyright (c) 2010-2018 Dovecot authors, see the included COPYING file */
#include "auth-common.h"
#include "passdb.h"
#include "passdb-template.h"
#include "password-scheme.h"
struct static_passdb_module {
struct passdb_module module;
struct passdb_template *tmpl;
const char *static_password_tmpl;
};
static enum passdb_result
static_save_fields(struct auth_request *request, const char **password_r,
const char **scheme_r)
{
struct static_passdb_module *module =
(struct static_passdb_module *)request->passdb->passdb;
const char *error;
*password_r = NULL;
*scheme_r = NULL;
e_debug(authdb_event(request), "lookup");
if (passdb_template_export(module->tmpl, request, &error) < 0) {
e_error(authdb_event(request),
"Failed to expand template: %s", error);
return PASSDB_RESULT_INTERNAL_FAILURE;
}
if (module->static_password_tmpl != NULL) {
if (t_auth_request_var_expand(module->static_password_tmpl,
request, NULL, password_r, &error) <= 0) {
e_error(authdb_event(request),
"Failed to expand password=%s: %s",
module->static_password_tmpl, error);
return PASSDB_RESULT_INTERNAL_FAILURE;
}
} else if (auth_fields_exists(request->fields.extra_fields, "nopassword")) {
*password_r = "";
} else {
return auth_request_password_missing(request);
}
*scheme_r = password_get_scheme(password_r);
if (*scheme_r == NULL)
*scheme_r = STATIC_PASS_SCHEME;
auth_request_set_field(request, "password",
*password_r, *scheme_r);
return PASSDB_RESULT_OK;
}
static void
static_verify_plain(struct auth_request *request, const char *password,
verify_plain_callback_t *callback)
{
enum passdb_result result;
const char *static_password;
const char *static_scheme;
int ret;
result = static_save_fields(request, &static_password, &static_scheme);
if (result != PASSDB_RESULT_OK) {
callback(result, request);
return;
}
ret = auth_request_password_verify(request, password, static_password,
static_scheme, AUTH_SUBSYS_DB);
if (ret <= 0) {
callback(PASSDB_RESULT_PASSWORD_MISMATCH, request);
return;
}
callback(PASSDB_RESULT_OK, request);
}
static void
static_lookup_credentials(struct auth_request *request,
lookup_credentials_callback_t *callback)
{
enum passdb_result result;
const char *static_password;
const char *static_scheme;
result = static_save_fields(request, &static_password, &static_scheme);
passdb_handle_credentials(result, static_password,
static_scheme, callback, request);
}
static struct passdb_module *
static_preinit(pool_t pool, const char *args)
{
struct static_passdb_module *module;
const char *value;
module = p_new(pool, struct static_passdb_module, 1);
module->tmpl = passdb_template_build(pool, args);
if (passdb_template_remove(module->tmpl, "password", &value))
module->static_password_tmpl = value;
return &module->module;
}
struct passdb_module_interface passdb_static = {
"static",
static_preinit,
NULL,
NULL,
static_verify_plain,
static_lookup_credentials,
NULL
};
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