src/auth/userdb.c

	userdb.c revision 91e4199476cb2add8143c18583fa57e1decfea88
/* Copyright (C) 2002-2003 Timo Sirainen */

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

#include <stdlib.h>

#ifdef HAVE_MODULES
static struct auth_module *userdb_module = NULL;
#endif

struct userdb_module *userdb;

void userdb_init(void)
{
    const char *name, *args;

    userdb = NULL;

    name = getenv("USERDB");
    if (name == NULL)
        i_fatal("USERDB environment is unset");

    args = strchr(name, ' ');
    name = t_strcut(name, ' ');

    if (args == NULL) args = "";
    while (*args == ' ' || *args == '\t')
        args++;

#ifdef USERDB_PASSWD
    if (strcasecmp(name, "passwd") == 0)
        userdb = &userdb_passwd;
#endif
#ifdef USERDB_PASSWD_FILE
    if (strcasecmp(name, "passwd-file") == 0)
        userdb = &userdb_passwd_file;
#endif
#ifdef USERDB_STATIC
    if (strcasecmp(name, "static") == 0)
        userdb = &userdb_static;
#endif
#ifdef USERDB_VPOPMAIL
    if (strcasecmp(name, "vpopmail") == 0)
        userdb = &userdb_vpopmail;
#endif
#ifdef USERDB_LDAP
    if (strcasecmp(name, "ldap") == 0)
        userdb = &userdb_ldap;
#endif
#ifdef USERDB_PGSQL
    if (strcasecmp(name, "pgsql") == 0)
        userdb = &userdb_pgsql;
#endif
#ifdef USERDB_MYSQL
    if (strcasecmp(name, "mysql") == 0)
        userdb = &userdb_mysql;
#endif
#ifdef HAVE_MODULES
    userdb_module = userdb != NULL ? NULL : auth_module_open(name);
    if (userdb_module != NULL) {
        userdb = auth_module_sym(userdb_module,
                     t_strconcat("userdb_", name, NULL));
    }
#endif

    if (userdb == NULL)
        i_fatal("Unknown userdb type '%s'", name);

    /* initialize */
    if (userdb->init != NULL)
        userdb->init(args);
}

void userdb_deinit(void)
{
    if (userdb != NULL && userdb->deinit != NULL)
        userdb->deinit();
#ifdef HAVE_MODULES
    if (userdb_module != NULL)
                auth_module_close(userdb_module);
#endif
}