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      1 /*	$NetBSD: mime_detach.h,v 1.3 2022/05/28 10:36:24 andvar Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2006 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Anon Ymous.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 
     33 #ifdef MIME_SUPPORT
     34 
     35 #ifndef __MIME_DETACH_H__
     36 #define __MIME_DETACH_H__
     37 
     38 /*
     39  * The fundamental data structure shared by mime_decode.c and mime_detach.c.
     40  */
     41 struct mime_info {
     42 	struct mime_info *mi_blink;
     43 	struct mime_info *mi_flink;
     44 
     45 	/* sendmessage -> decoder -> filter -> pager */
     46 
     47 	FILE *mi_fo;		/* output file handle pointing to PAGER */
     48 	FILE *mi_pipe_end;	/* initial end of pipe */
     49 	FILE *mi_head_end;	/* close to here at start of body */
     50 
     51 	int mi_ignore_body;	/* suppress certain body parts */
     52 
     53 	/* stuff specific to mime_detach */
     54 	int mi_partnum;		/* part number displayed (if nonzero) */
     55 	const char *mi_partstr;	/* string to actually display */
     56 	const char *mi_msgstr;	/* message number in string form */
     57 
     58 	/* strings extracted from MIME header fields */
     59 	const char *mi_version;
     60 	const char *mi_type;
     61 	const char *mi_subtype;
     62 	const char *mi_boundary;	/* type parameter */
     63 	const char *mi_charset;		/* type parameter */
     64 	const char *mi_encoding;
     65 	const char *mi_disposition;
     66 	const char *mi_filename;	/* from type or disposition parameter */
     67 
     68 	struct message *mp;		/* MP for this message regarded as a part. */
     69 	struct {
     70 		struct mime_info *mip;	/* parent of part of multipart message */
     71 		struct message *mp;	/* the original parent mp before being split! */
     72 	} mi_parent;
     73 
     74 	int mi_detachall;		/* detach unnamed parts */
     75 	const char *mi_detachdir;	/* directory for detaching attachments */
     76 	const char *mi_command_hook;	/* alternate command used to process this message */
     77 };
     78 
     79 
     80 /*
     81  * Routines shared by mime_decode.c and mime_detach.c
     82  */
     83 
     84 /* exported from mime_detach.c */
     85 FILE *mime_detach_parts(struct mime_info *);
     86 
     87 /* These are exported from mime_decode.c */
     88 FILE *pipe_end(struct mime_info *);
     89 void run_decoder(struct mime_info *mip, void(*fn)(FILE*, FILE*, void *));
     90 
     91 #endif /* __MIME_DETACH_H__ */
     92 #endif /* MIME_SUPPORT */
     93