/* * Program:	RFC-822 routines (originally from SMTP) * * Author:	Mark Crispin *		Networks and Distributed Computing *		Computing & Communications *		University of Washington *		Administration Building, AG-44 *		Seattle, WA  98195 *		Internet: MRC@CAC.Washington.EDU * * Date:	27 July 1988 * Last Edited:	13 July 1999 * * Sponsorship:	The original version of this work was developed in the *		Symbolic Systems Resources Group of the Knowledge Systems *		Laboratory at Stanford University in 1987-88, and was funded *		by the Biomedical Research Technology Program of the National *		Institutes of Health under grant number RR-00785. * * Original version Copyright 1988 by The Leland Stanford Junior University * Copyright 1997 by the University of Washington * *  Permission to use, copy, modify, and distribute this software and its * documentation for any purpose and without fee is hereby granted, provided * that the above copyright notices appear in all copies and that both the * above copyright notices and this permission notice appear in supporting * documentation, and that the name of the University of Washington or The * Leland Stanford Junior University not be used in advertising or publicity * pertaining to distribution of the software without specific, written prior * permission.  This software is made available "as is", and * THE UNIVERSITY OF WASHINGTON AND THE LELAND STANFORD JUNIOR UNIVERSITY * DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD TO THIS SOFTWARE, * INCLUDING WITHOUT LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE, AND IN NO EVENT SHALL THE UNIVERSITY OF * WASHINGTON OR THE LELAND STANFORD JUNIOR UNIVERSITY BE LIABLE FOR ANY * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF * CONTRACT, TORT (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * */#define MAXGROUPDEPTH 50	/* RFC 822 doesn't allow nesting at all */#define MAXMIMEDEPTH 50		/* more than any sane MIMEgram */#define rfc822_write_address(dest,adr) \  rfc822_write_address_full (dest,adr,NIL)#define rfc822_parse_msg(en,bdy,s,i,bs,host,flags) \  rfc822_parse_msg_full (en,bdy,s,i,bs,host,0,flags)/* Function prototypes */void rfc822_header (char *header,ENVELOPE *env,BODY *body);void rfc822_address_line (char **header,char *type,ENVELOPE *env,ADDRESS *adr);void rfc822_header_line (char **header,char *type,ENVELOPE *env,char *text);char *rfc822_write_address_full (char *dest,ADDRESS *adr,char *base);void rfc822_address (char *dest,ADDRESS *adr);void rfc822_cat (char *dest,char *src,const char *specials);void rfc822_write_body_header (char **header,BODY *body);char *rfc822_default_subtype (unsigned short type);void rfc822_parse_msg_full (ENVELOPE **en,BODY **bdy,char *s,unsigned long i,			    STRING *bs,char *host,unsigned long depth,			    unsigned long flags);void rfc822_parse_content (BODY *body,STRING *bs,char *h,unsigned long depth,			   unsigned long flags);void rfc822_parse_content_header (BODY *body,char *name,char *s);void rfc822_parse_parameter (PARAMETER **par,char *text);void rfc822_parse_adrlist (ADDRESS **lst,char *string,char *host);ADDRESS *rfc822_parse_address (ADDRESS **lst,ADDRESS *last,char **string,			       char *defaulthost,unsigned long depth);ADDRESS *rfc822_parse_group (ADDRESS **lst,ADDRESS *last,char **string,			     char *defaulthost,unsigned long depth);ADDRESS *rfc822_parse_mailbox (char **string,char *defaulthost);long rfc822_phraseonly (char *end);ADDRESS *rfc822_parse_routeaddr (char *string,char **ret,char *defaulthost);ADDRESS *rfc822_parse_addrspec (char *string,char **ret,char *defaulthost);char *rfc822_parse_phrase (char *string);char *rfc822_parse_word (char *string,const char *delimiters);char *rfc822_cpy (char *src);char *rfc822_quote (char *src);ADDRESS *rfc822_cpy_adr (ADDRESS *adr);void rfc822_skipws (char **s);char *rfc822_skip_comment (char **s,long trim);typedef long (*soutr_t) (void *stream,char *string);typedef long (*rfc822out_t) (char *t,ENVELOPE *env,BODY *body,soutr_t f,			     void *s,long ok8bit);long rfc822_output (char *t,ENVELOPE *env,BODY *body,soutr_t f,void *s,		    long ok8bit);void rfc822_encode_body_7bit (ENVELOPE *env,BODY *body);void rfc822_encode_body_8bit (ENVELOPE *env,BODY *body);long rfc822_output_body (BODY *body,soutr_t f,void *s);void *rfc822_base64 (unsigned char *src,unsigned long srcl,unsigned long *len);unsigned char *rfc822_binary (void *src,unsigned long srcl,unsigned long *len);unsigned char *rfc822_qprint (unsigned char *src,unsigned long srcl,			      unsigned long *len);unsigned char *rfc822_8bit (unsigned char *src,unsigned long srcl,			    unsigned long *len);