xref: /dragonfly/libexec/dma/dma.h (revision 62f7f702)
1 /*
2  * Copyright (c) 2008 The DragonFly Project.  All rights reserved.
3  *
4  * This code is derived from software contributed to The DragonFly Project
5  * by Simon 'corecode' Schubert <corecode@fs.ei.tum.de> and
6  * Matthias Schmidt <matthias@dragonflybsd.org>.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in
16  *    the documentation and/or other materials provided with the
17  *    distribution.
18  * 3. Neither the name of The DragonFly Project nor the names of its
19  *    contributors may be used to endorse or promote products derived
20  *    from this software without specific, prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
26  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
28  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
32  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  * $DragonFly: src/libexec/dma/dma.h,v 1.5 2008/03/04 11:36:09 matthias Exp $
36  */
37 
38 #ifndef DMA_H
39 #define DMA_H
40 
41 #ifdef HAVE_CRYPTO
42 #include <openssl/ssl.h>
43 #endif /* HAVE_CRYPTO */
44 
45 #include <sys/queue.h>
46 #include <stdint.h>
47 #include <stdio.h>
48 
49 
50 #define VERSION	"DragonFly Mail Agent"
51 
52 #define BUF_SIZE	2048
53 #define MIN_RETRY	300		/* 5 minutes */
54 #define MAX_RETRY	(3*60*60)	/* retry at least every 3 hours */
55 #define MAX_TIMEOUT	(5*24*60*60)	/* give up after 5 days */
56 #define PATH_MAX	1024		/* Max path len */
57 #define	SMTP_PORT	25		/* Default SMTP port */
58 #define CON_TIMEOUT	120		/* Connection timeout */
59 
60 #define VIRTUAL		0x001		/* Support for address rewrites */
61 #define STARTTLS	0x002		/* StartTLS support */
62 #define SECURETRANS	0x004		/* SSL/TLS in general */
63 #define NOSSL		0x008		/* Do not use SSL */
64 #define DEFER		0x010		/* Defer mails */
65 #define INSECURE	0x020		/* Allow plain login w/o encryption */
66 
67 #define CONF_PATH	"/etc/dma/dma.conf"	/* Default path to dma.conf */
68 
69 struct stritem {
70 	SLIST_ENTRY(stritem) next;
71 	char *str;
72 };
73 SLIST_HEAD(strlist, stritem);
74 
75 struct alias {
76 	LIST_ENTRY(alias) next;
77 	char *alias;
78 	struct strlist dests;
79 };
80 LIST_HEAD(aliases, alias);
81 
82 struct qitem {
83 	LIST_ENTRY(qitem) next;
84 	const char *sender;
85 	char *addr;
86 	char *queuefn;
87 	char *queueid;
88 	FILE *queuef;
89 	off_t hdrlen;
90 	int remote;
91 };
92 LIST_HEAD(queueh, qitem);
93 
94 struct queue {
95 	struct queueh queue;
96 	uintmax_t id;
97 	int mailfd;
98 	char *tmpf;
99 };
100 
101 struct config {
102 	char *smarthost;
103 	int port;
104 	char *aliases;
105 	char *spooldir;
106 	char *virtualpath;
107 	char *authpath;
108 	char *certfile;
109 	int features;
110 #ifdef HAVE_CRYPTO
111 	SSL *ssl;
112 #endif /* HAVE_CRYPTO */
113 };
114 
115 
116 struct virtuser {
117 	SLIST_ENTRY(virtuser) next;
118 	char *login;
119 	char *address;
120 };
121 SLIST_HEAD(virtusers, virtuser);
122 
123 struct authuser {
124 	SLIST_ENTRY(authuser) next;
125 	char *login;
126 	char *password;
127 	char *host;
128 };
129 SLIST_HEAD(authusers, authuser);
130 
131 extern struct aliases aliases;
132 
133 /* aliases_parse.y */
134 extern int yyparse(void);
135 extern FILE *yyin;
136 
137 /* conf.c */
138 extern void trim_line(char *);
139 extern int parse_conf(const char *, struct config *);
140 extern int parse_virtuser(const char *);
141 extern int parse_authfile(const char *);
142 
143 /* crypto.c */
144 #ifdef HAVE_CRYPTO
145 extern int smtp_init_crypto(struct qitem *, int, int);
146 #endif /* HAVE_CRYPTO */
147 
148 /* net.c */
149 extern int read_remote(int);
150 extern ssize_t send_remote_command(int, const char*, ...);
151 extern int deliver_remote(struct qitem *, const char **);
152 
153 /* base64.c */
154 extern int base64_encode(const void *, int, char **);
155 
156 /* dma.c */
157 extern char * hostname(void);
158 #endif
159