src/auth/userdb-checkpassword.c

/* Copyright (c) 2004-2018 Dovecot authors, see the included COPYING file */

#include "auth-common.h"
#include "userdb.h"

#ifdef USERDB_CHECKPASSWORD

#include "db-checkpassword.h"

struct checkpassword_userdb_module {
    struct userdb_module module;
    struct db_checkpassword *db;
};

static void
userdb_checkpassword_callback(struct auth_request *request,
                  enum db_checkpassword_status status,
                  const char *const *extra_fields,
                  userdb_callback_t *callback)
{
    unsigned int i;

    switch (status) {
    case DB_CHECKPASSWORD_STATUS_INTERNAL_FAILURE:
        callback(USERDB_RESULT_INTERNAL_FAILURE, request);
        break;
    case DB_CHECKPASSWORD_STATUS_FAILURE:
        callback(USERDB_RESULT_USER_UNKNOWN, request);
        break;
    case DB_CHECKPASSWORD_STATUS_OK:
        for (i = 0; extra_fields[i] != NULL; i++) {
            if (strncmp(extra_fields[i], "userdb_", 7) != 0)
                continue;
            auth_request_set_field_keyvalue(request,
                            extra_fields[i], NULL);
        }
        callback(USERDB_RESULT_OK, request);
        break;
    }
}

static void
checkpassword_lookup(struct auth_request *request, userdb_callback_t *callback)
{
    struct userdb_module *_module = request->userdb->userdb;
    struct checkpassword_userdb_module *module =
        (struct checkpassword_userdb_module *)_module;

    db_checkpassword_call(module->db, request, NULL,
                  userdb_checkpassword_callback, callback);
}

static struct userdb_module *
checkpassword_preinit(pool_t pool, const char *args)
{
    struct checkpassword_userdb_module *module;
    const char *checkpassword_path = args;
    const char *checkpassword_reply_path =
        PKG_LIBEXECDIR"/checkpassword-reply";

    module = p_new(pool, struct checkpassword_userdb_module, 1);
    module->db = db_checkpassword_init(checkpassword_path,
                       checkpassword_reply_path);
    return &module->module;
}

static void checkpassword_deinit(struct userdb_module *_module)
{
    struct checkpassword_userdb_module *module =
        (struct checkpassword_userdb_module *)_module;

    db_checkpassword_deinit(&module->db);
}

struct userdb_module_interface userdb_checkpassword = {
    "checkpassword",

    checkpassword_preinit,
    NULL,
    checkpassword_deinit,

    checkpassword_lookup,

    NULL,
    NULL,
    NULL
};
#else
struct userdb_module_interface userdb_checkpassword = {
    .name = "checkpassword"
};
#endif