1 #define MAXSAME 16
2 #define MAXSAMECHAR 1024
3 
4 /* status of a destination*/
5 typedef enum {
6 	d_undefined,	/* address has not been matched*/
7 	d_pipe,		/* repl1|repl2 == delivery command, rep*/
8 	d_cat,		/* repl1 == mail file */
9 	d_translate,	/* repl1 == translation command*/
10 	d_alias,	/* repl1 == translation*/
11 	d_auth,		/* repl1 == command to authorize*/
12 	d_syntax,	/* addr contains illegal characters*/
13 	d_unknown,	/* addr does not match a rewrite rule*/
14 	d_loop,		/* addressing loop*/
15 	d_eloop,	/* external addressing loop*/
16 	d_noforward,	/* forwarding not allowed*/
17 	d_badmbox,	/* mailbox badly formatted*/
18 	d_resource,	/* ran out of something we needed*/
19 	d_pipeto,	/* pipe to from a mailbox*/
20 } d_status;
21 
22 /* a destination*/
23 typedef struct dest dest;
24 struct dest {
25 	dest	*next;		/* for chaining*/
26 	dest	*same;		/* dests with same cmd*/
27 	dest	*parent;	/* destination we're a translation of*/
28 	String	*addr;		/* destination address*/
29 	String	*repl1;		/* substitution field 1*/
30 	String	*repl2;		/* substitution field 2*/
31 	int	pstat;		/* process status*/
32 	d_status status;	/* delivery status*/
33 	int	authorized;	/* non-zero if we have been authorized*/
34 	int	nsame;		/* number of same dests chained to this entry*/
35 	int	nchar;		/* number of characters in the command*/
36 };
37 
38 typedef struct message message;
39 struct message {
40 	String	*sender;
41 	String	*replyaddr;
42 	String	*date;
43 	String	*body;
44 	String	*tmp;		/* name of temp file */
45 	String	*to;
46 	int	size;
47 	int	fd;		/* if >= 0, the file the message is stored in*/
48 	char	haveto;
49 	String	*havefrom;
50 	String	*havesender;
51 	String	*havereplyto;
52 	char	havedate;
53 	char	havemime;
54 	String	*havesubject;
55 	char	bulk;		/* if Precedence: Bulk in header */
56 	char	rfc822headers;
57 	int	received;	/* number of received lines */
58 	char	*boundary;	/* bondary marker for attachments */
59 };
60 
61 /*
62  *  exported variables
63  */
64 extern int rmail;
65 extern int onatty;
66 extern char *thissys, *altthissys;
67 extern int xflg;
68 extern int nflg;
69 extern int tflg;
70 extern int debug;
71 extern int nosummary;
72 
73 /*
74  *  exported procedures
75  */
76 extern void	authorize(dest*);
77 extern int	cat_mail(dest*, message*);
78 extern dest	*up_bind(dest*, message*, int);
79 extern int	ok_to_forward(char*);
80 extern int	lookup(char*, char*, Biobuf**, char*, Biobuf**);
81 extern dest	*d_new(String*);
82 extern void	d_free(dest*);
83 extern dest	*d_rm(dest**);
84 extern void	d_insert(dest**, dest*);
85 extern dest	*d_rm_same(dest**);
86 extern void	d_same_insert(dest**, dest*);
87 extern String	*d_to(dest*);
88 extern dest	*s_to_dest(String*, dest*);
89 extern void	gateway(message*);
90 extern dest	*expand_local(dest*);
91 extern void	logdelivery(dest*, char*, message*);
92 extern void	loglist(dest*, message*, char*);
93 extern void	logrefusal(dest*, message*, char*);
94 extern int	default_from(message*);
95 extern message	*m_new(void);
96 extern void	m_free(message*);
97 extern message	*m_read(Biobuf*, int, int);
98 extern int	m_get(message*, long, char**);
99 extern int	m_print(message*, Biobuf*, char*, int);
100 extern int	m_bprint(message*, Biobuf*);
101 extern String	*rule_parse(String*, char*, int*);
102 extern int	getrules(void);
103 extern int	rewrite(dest*, message*);
104 extern void	dumprules(void);
105 extern void	regerror(char*);
106 extern dest	*translate(dest*);
107 extern char*	skipequiv(char*);
108 extern int	refuse(dest*, message*, char*, int, int);