aboutsummaryrefslogtreecommitdiff
path: root/src/cmd/upas/fs/dat.h
blob: ffcbf5b3caabb66243e11f1749e4d965b98815a5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
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;