/*
**?Copyright?1998?-?2008?Double?Precision?Inc.??See?COPYING?for
**?distribution?information.
*/

#if?HAVE_CONFIG_H
#include?“courier_auth_config.h“
#endif
#include	
#include	
#include	
#include	
#include	

#include	“auth.h“
#include	“authcustom.h“
#include	“courierauthstaticlist.h“


static?int?auth_custom_login（const?char?*service?char?*authdata
			?????int?（*callback_func）（struct?authinfo?*?void?*）
			?????int?*callback_arg）
{
	const?char?*user?*pass;

	if?（（user=strtok（authdata?“\n“））?==?0?||
		（pass=strtok（0?“\n“））?==?0）
	{
		errno=EPERM;
		return?（-1）;
	}

	return?authcustomcommon（user?pass?callback_func?callback_arg）;
}

#include	“libhmac/hmac.h“
#include	“cramlib.h“

static?int?auth_custom_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?authcustomcommon（cci.user?0?&auth_cram_callback?&cci）;
}

int?auth_custom（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_custom_login（service?authdata
			callback_func?callback_arg））;

	return?（auth_custom_cram（service?authtype?authdata
				?callback_func?callback_arg））;
}


extern?int?auth_custom_pre（const?char?*userid?const?char?*service
????????int?（*callback）（struct?authinfo?*?void?*）
		??void?*arg）;

static?int?auth_custom_chgpwd（const?char?*service
			??????const?char?*uid
			??????const?char?*oldpwd
			??????const?char?*newpwd）
{
	/*
	**?Insert?code?to?change?the?account‘s?password?here.
	**
	**?return?0?if?changed.
	**
	**?return?1?if?failed.
	**?Set?errno?to?EPERM?if?we?had?a?temporary?failure?（such?as?invalid
	**?old?pwd）.
	**
	**?Set?errno?to?EINVAL?if?we?failed?because?we?did?not?recognize?uid.
	*/

	errno=EINVAL;
	return?（-1）;
}

static?void?auth_custom_idle（）
{
	/*
	**?Insert?code?to?temporarily?deallocate?resources?after?remaining
	**?idle?（as?part?of?authdaemond）?for?more?than?5?minutes.
	*/
}

static?struct?authstaticinfo?authcustom_info={
	“authcustom“
	auth_custom
	auth_custom_pre
	authcustomclose
	auth_custom_chgpwd
	auth_custom_idle};


struct?authstaticinfo?*courier_authcustom_init（）
{
	return?&authcustom_info;
}