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      1 /*	$NetBSD: header_body_checks.h,v 1.3 2023/12/23 20:30:43 christos Exp $	*/
      2 
      3 #ifndef _HBC_H_INCLUDED_
      4 #define _HBC_H_INCLUDED_
      5 
      6 /*++
      7 /* NAME
      8 /*	header_body_checks 3h
      9 /* SUMMARY
     10 /*	delivery agent header/body checks
     11 /* SYNOPSIS
     12 /*	#include <header_body_checks.h>
     13 /* DESCRIPTION
     14 /* .nf
     15 
     16  /*
     17   * Global library.
     18   */
     19 #include <mime_state.h>
     20 #include <maps.h>
     21 
     22  /*
     23   * Postfix < 2.5 compatibility.
     24   */
     25 #ifndef MIME_HDR_FIRST
     26 #define MIME_HDR_FIRST		(1)
     27 #define MIME_HDR_LAST		(3)
     28 #endif
     29 
     30  /*
     31   * External interface.
     32   */
     33 typedef struct {
     34     const char *map_class;		/* parameter name */
     35     MAPS   *maps;			/* map handle */
     36 } HBC_MAP_INFO;
     37 
     38 typedef struct {
     39     void    (*logger) (void *, const char *, const char *, const char *, const char *);
     40     void    (*prepend) (void *, int, const char *, ssize_t, off_t);
     41     char   *(*extend) (void *, const char *, ssize_t, const char *, const char *, const char *, ssize_t, off_t);
     42 } HBC_CALL_BACKS;
     43 
     44 typedef struct {
     45     HBC_CALL_BACKS *call_backs;
     46     HBC_MAP_INFO map_info[1];		/* actually, a bunch */
     47 } HBC_CHECKS;
     48 
     49 #define HBC_CHECKS_STAT_IGNORE	((char *) 0)
     50 #define HBC_CHECKS_STAT_ERROR	(&hbc_checks_error)
     51 #define HBC_CHECKS_STAT_UNKNOWN	(&hbc_checks_unknown)
     52 
     53 extern HBC_CHECKS *hbc_header_checks_create(const char *, const char *,
     54 					         const char *, const char *,
     55 					         const char *, const char *,
     56 					            HBC_CALL_BACKS *);
     57 extern HBC_CHECKS *hbc_body_checks_create(const char *, const char *,
     58 					          HBC_CALL_BACKS *);
     59 extern char *hbc_header_checks(void *, HBC_CHECKS *, int, const HEADER_OPTS *,
     60 			               VSTRING *, off_t);
     61 extern char *hbc_body_checks(void *, HBC_CHECKS *, const char *, ssize_t, off_t);
     62 
     63 #define hbc_header_checks_free(hbc) _hbc_checks_free((hbc), HBC_HEADER_SIZE)
     64 #define hbc_body_checks_free(hbc) _hbc_checks_free((hbc), 1)
     65 
     66  /*
     67   * The following are NOT part of the external API.
     68   */
     69 #define HBC_HEADER_SIZE	(MIME_HDR_LAST - MIME_HDR_FIRST + 1)
     70 extern void _hbc_checks_free(HBC_CHECKS *, ssize_t);
     71 extern char hbc_checks_error;
     72 extern const char hbc_checks_unknown;
     73 
     74 /* LICENSE
     75 /* .ad
     76 /* .fi
     77 /*	The Secure Mailer license must be distributed with this software.
     78 /* AUTHOR(S)
     79 /*	Wietse Venema
     80 /*	IBM T.J. Watson Research
     81 /*	P.O. Box 704
     82 /*	Yorktown Heights, NY 10598, USA
     83 /*
     84 /*	Wietse Venema
     85 /*	Google, Inc.
     86 /*	111 8th Avenue
     87 /*	New York, NY 10011, USA
     88 /*--*/
     89 
     90 #endif
     91