#ifndef _SMTP_REQTLS_POLICY_INCLUDED_
#define _SMTP_REQTLS_POLICY_INCLUDED_

/*++
/* NAME
/* smtp_reqtls_policy 3h
/* SUMMARY
/* requiretls per-mx policy
/* SYNOPSIS
/* #include <smtp_reqtls_policy.h>
/* DESCRIPTION
/* .nf

 /*
  * External interface.
  */
typedef struct SMTP_REQTLS_POLICY SMTP_REQTLS_POLICY;

extern SMTP_REQTLS_POLICY *smtp_reqtls_policy_parse(const char *, const char *);
extern int smtp_reqtls_policy_eval(SMTP_REQTLS_POLICY *, const char *);
extern void smtp_reqtls_policy_free(SMTP_REQTLS_POLICY *);

#define SMTP_REQTLS_POLICY_NAME_ENFORCE  "enforce"
#define SMTP_REQTLS_POLICY_NAME_OPP_TLS  "opportunistic+starttls"
#define SMTP_REQTLS_POLICY_NAME_OPPORTUNISTIC "opportunistic"
#define SMTP_REQTLS_POLICY_NAME_DISABLE  "disable"
#define SMTP_REQTLS_POLICY_NAME_ERROR  "error"

#define SMTP_REQTLS_POLICY_NAME_DEFAULT  SMTP_REQTLS_POLICY_NAME_ENFORCE

#define SMTP_REQTLS_POLICY_ACT_ENFORCE  3
#define SMTP_REQTLS_POLICY_ACT_OPP_TLS  2
#define SMTP_REQTLS_POLICY_ACT_OPPORTUNISTIC 1
#define SMTP_REQTLS_POLICY_ACT_DISABLE  0
#define SMTP_REQTLS_POLICY_ACT_ERROR  (-1)

#define SMTP_REQTLS_POLICY_ACT_DEFAULT  SMTP_REQTLS_POLICY_ACT_ENFORCE

#define STATE_REQTLS_IS_REQUESTED(var, state) \
 SENDOPTS_REQTLS_IS_REQUESTED((var), (state)->request->sendopts)

#define SENDOPTS_REQTLS_IS_REQUESTED(var, sendopts) \
 ((var) && (sendopts) & SOPT_REQUIRETLS_ESMTP)

#define TLS_REQUIRED_BY_REQTLS_POLICY(reqtls_level) \
 ((reqtls_level) >= SMTP_REQTLS_POLICY_ACT_OPP_TLS)

/* LICENSE
/* .ad
/* .fi
/* The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/* Wietse Venema
/* porcupine.org
/*--*/

#endif