Thanks to John Cummings.

1 files changed, 221 insertions, 0 deletions

diff --git a/src/cmd/upas/fs/dat.h b/src/cmd/upas/fs/dat.h
new file mode 100644
index 00000000..ffcbf5b3
--- /dev/null
+++ b/src/cmd/upas/fs/dat.h
@@ -0,0 +1,221 @@
+typedef struct Message Message;
+struct Message
+{
+	int	id;
+	int	refs;
+	int	subname;
+	char	name[Elemlen];
+
+	// pointers into message
+	char	*start;		// start of message
+	char	*end;		// end of message
+	char	*header;	// start of header
+	char	*hend;		// end of header
+	int	hlen;		// length of header minus ignored fields
+	char	*mheader;	// start of mime header
+	char	*mhend;		// end of mime header
+	char	*body;		// start of body
+	char	*bend;		// end of body
+	char	*rbody;		// raw (unprocessed) body
+	char	*rbend;		// end of raw (unprocessed) body
+	char	*lim;
+	char	deleted;
+	char	inmbox;
+	char	mallocd;	// message is malloc'd
+	char	ballocd;	// body is malloc'd
+	char	hallocd;	// header is malloce'd
+
+	// mail info
+	String	*unixheader;
+	String	*unixfrom;
+	String	*unixdate;
+	String	*from822;
+	String	*sender822;
+	String	*to822;
+	String	*bcc822;
+	String	*cc822;
+	String	*replyto822;
+	String	*date822;
+	String	*inreplyto822;
+	String	*subject822;
+	String	*messageid822;
+	String	*addrs;
+	String	*mimeversion;
+	String	*sdigest;
+
+	// mime info
+	String	*boundary;
+	String	*type;
+	int	encoding;
+	int	disposition;
+	String	*charset;
+	String	*filename;
+	int	converted;
+	int	decoded;
+	char	lines[10];	// number of lines in rawbody
+
+	Message	*next;		// same level
+	Message	*part;		// down a level
+	Message	*whole;		// up a level
+
+	uchar	digest[SHA1dlen];
+
+	vlong	imapuid;	// used by imap4
+
+	char		uidl[80];	// used by pop3
+	int		mesgno;
+};
+
+enum
+{
+	// encodings
+	Enone=	0,
+	Ebase64,
+	Equoted,
+
+	// disposition possibilities
+	Dnone=	0,
+	Dinline,
+	Dfile,
+	Dignore,
+
+	PAD64=	'=',
+};
+
+typedef struct Mailbox Mailbox;
+struct Mailbox
+{
+	QLock ql;      /* jpc named Qlock */
+	int	refs;
+	Mailbox	*next;
+	int	id;
+	int	dolock;		// lock when syncing?
+	int	std;
+	char	name[Elemlen];
+	char	path[Pathlen];
+	Dir	*d;
+	Message	*root;
+	int	vers;		// goes up each time mailbox is read
+
+	ulong waketime;
+	char	*(*sync)(Mailbox*, int);
+	void	(*close)(Mailbox*);
+	char	*(*fetch)(Mailbox*, Message*);
+	char	*(*ctl)(Mailbox*, int, char**);
+	void	*aux;		// private to Mailbox implementation
+};
+
+typedef char *Mailboxinit(Mailbox*, char*);
+
+extern Message	*root;
+extern Mailboxinit	plan9mbox;
+extern Mailboxinit	pop3mbox;
+extern Mailboxinit	imap4mbox;
+
+char*		syncmbox(Mailbox*, int);
+char*		geterrstr(void);
+void*		emalloc(ulong);
+void*		erealloc(void*, ulong);
+Message*	newmessage(Message*);
+void		delmessage(Mailbox*, Message*);
+void		delmessages(int, char**);
+int		newid(void);
+void		mailplumb(Mailbox*, Message*, int);
+char*		newmbox(char*, char*, int);
+void		freembox(char*);
+void		logmsg(char*, Message*);
+void		msgincref(Message*);
+void		msgdecref(Mailbox*, Message*);
+void		mboxincref(Mailbox*);
+void		mboxdecref(Mailbox*);
+void		convert(Message*);
+void		decode(Message*);
+int		cistrncmp(char*, char*, int);
+int		cistrcmp(char*, char*);
+int		latin1toutf(char*, char*, char*);
+int		windows1257toutf(char*, char*, char*);
+int		decquoted(char*, char*, char*);
+int		xtoutf(char*, char**, char*, char*);
+void		countlines(Message*);
+int		headerlen(Message*);
+void		parse(Message*, int, Mailbox*, int);
+void		parseheaders(Message*, int, Mailbox*, int);
+void		parsebody(Message*, Mailbox*);
+void		parseunix(Message*);
+String*	date822tounix(char*);
+int		fidmboxrefs(Mailbox*);
+int		hashmboxrefs(Mailbox*);
+void		checkmboxrefs(void);
+
+extern int	debug;
+extern int	fflag;
+extern int	logging;
+extern char	user[Elemlen];
+extern char	stdmbox[Pathlen];
+extern QLock	mbllock;
+extern Mailbox	*mbl;
+extern char	*mntpt;
+extern int	biffing;
+extern int	plumbing;
+extern char*	Enotme;
+
+enum
+{
+	/* mail subobjects */
+	Qbody,
+	Qbcc,
+	Qcc,
+	Qdate,
+	Qdigest,
+	Qdisposition,
+	Qfilename,
+	Qfrom,
+	Qheader,
+	Qinreplyto,
+	Qlines,
+	Qmimeheader,
+	Qmessageid,
+	Qraw,
+	Qrawbody,
+	Qrawheader,
+	Qrawunix,
+	Qreplyto,
+	Qsender,
+	Qsubject,
+	Qto,
+	Qtype,
+	Qunixheader,
+	Qinfo,
+	Qunixdate,
+	Qmax,
+
+	/* other files */
+	Qtop,
+	Qmbox,
+	Qdir,
+	Qctl,
+	Qmboxctl,
+};
+
+#define PATH(id, f)	((((id)&0xfffff)<<10) | (f))
+#define FILE(p)		((p) & 0x3ff)
+
+/* char *dirtab[]; jpc */
+
+// hash table to aid in name lookup, all files have an entry
+typedef struct Hash Hash;
+struct Hash {
+	Hash	*next;
+	char	*name;
+	ulong	ppath;
+	Qid	qid;
+	Mailbox	*mb;
+	Message	*m;
+};
+
+Hash	*hlook(ulong, char*);
+void	henter(ulong, char*, Qid, Message*, Mailbox*);
+void	hfree(ulong, char*);
+
+ulong msgallocd, msgfreed;
+