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/*
** Copyright 2000-2008 Double Precision, Inc. See COPYING for
** distribution information.
*/
#if HAVE_CONFIG_H
#include "courier_auth_config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <pwd.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <iostream>
#include "authmysql.h"
extern "C" {
#include "auth.h"
#include "courierauthstaticlist.h"
#include "courierauthdebug.h"
#include "courierauth.h"
}
static bool verify(const authmysqluserinfo &authinfo,
const char *user,
const char *pass)
{
if (authinfo.home.size() == 0) /* User not found */
{
errno=EPERM;
return false; /* Username not found */
}
if (authinfo.cryptpw.size())
{
if (authcheckpassword(pass,authinfo.cryptpw.c_str()))
{
errno=EPERM;
return false; /* User/Password not found. */
}
}
else if (authinfo.clearpw.size())
{
if (authinfo.clearpw != pass)
{
if (courier_authdebug_login_level >= 2)
{
DPRINTF("supplied password '%s' does not match clearpasswd '%s'",
pass, authinfo.clearpw.c_str());
}
else
{
DPRINTF("supplied password does not match clearpasswd");
}
errno=EPERM;
return false;
}
}
else
{
DPRINTF("no password available to compare for '%s'", user);
errno=EPERM;
return false; /* Username not found */
}
return true;
}
static int auth_mysql_login(const char *service, char *authdata,
int (*callback_func)(struct authinfo *, void *),
void *callback_arg)
{
char *user, *pass;
struct authinfo aa;
if ((user=strtok(authdata, "\n")) == 0 ||
(pass=strtok(0, "\n")) == 0)
{
errno=EPERM;
return (-1);
}
authmysqluserinfo authinfo;
if (!auth_mysql_getuserinfo(user, service, authinfo))
/* Fatal error - such as MySQL being down */
{
errno=EACCES;
return (-1);
}
if (!verify(authinfo, user, pass))
return -1;
memset(&aa, 0, sizeof(aa));
aa.sysuserid= &authinfo.uid;
aa.sysgroupid= authinfo.gid;
aa.homedir=authinfo.home.c_str();
#define STR(z) (authinfo.z.size() ? authinfo.z.c_str():0)
aa.maildir=STR(maildir);
aa.address=STR(username);
aa.quota=STR(quota);
aa.fullname=STR(fullname);
aa.options=STR(options);
aa.clearpasswd=pass;
aa.passwd=STR(cryptpw);
courier_authdebug_authinfo("DEBUG: authmysql: ", &aa,
aa.clearpasswd, aa.passwd);
return (*callback_func)(&aa, callback_arg);
}
static int auth_mysql_changepw(const char *service, const char *user,
const char *pass,
const char *newpass)
{
authmysqluserinfo authinfo;
if (!auth_mysql_getuserinfo(user, service, authinfo))
{
errno=ENOENT;
return (-1);
}
if (!verify(authinfo, user, pass))
{
return (-1);
}
if (!auth_mysql_setpass(user, newpass, authinfo.cryptpw.c_str()))
{
errno=EPERM;
return (-1);
}
return (0);
}
static int auth_mysql_cram(const char *service,
const char *authtype, char *authdata,
int (*callback_func)(struct authinfo *, void *),
void *callback_arg)
{
struct cram_callback_info cci;
if (auth_get_cram(authtype, authdata, &cci))
return (-1);
cci.callback_func=callback_func;
cci.callback_arg=callback_arg;
return auth_mysql_pre(cci.user, service, &auth_cram_callback, &cci);
}
int auth_mysql(const char *service, const char *authtype, char *authdata,
int (*callback_func)(struct authinfo *, void *),
void *callback_arg)
{
if (strcmp(authtype, AUTHTYPE_LOGIN) == 0)
return (auth_mysql_login(service, authdata,
callback_func, callback_arg));
return (auth_mysql_cram(service, authtype, authdata,
callback_func, callback_arg));
}
extern int auth_mysql_pre(const char *user, const char *service,
int (*callback)(struct authinfo *, void *),
void *arg);
static struct authstaticinfo authmysql_info={
"authmysql",
auth_mysql,
auth_mysql_pre,
auth_mysql_cleanup,
auth_mysql_changepw,
auth_mysql_cleanup,
auth_mysql_enumerate};
extern "C" {
struct authstaticinfo *courier_authmysql_init()
{
return &authmysql_info;
}
}
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