Set flow control pause time to 512us _again_ as it was two years ago
[dragonfly.git] / libexec / dma / dma.h
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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 *
b558d098 35 * $DragonFly: src/libexec/dma/dma.h,v 1.3 2008/02/04 10:11:41 matthias Exp $
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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>
dba19026 46#include <stdint.h>
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47#include <stdio.h>
48
49
50#define VERSION "DragonFly Mail Agent 1.0"
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 CONF_PATH "/etc/dma/dma.conf" /* /etc/dma/dma.conf */
58#define SMTP_PORT 25 /* default SMTP port */
59#define CON_TIMEOUT 120 /* Connection timeout */
60
61#define VIRTUAL 0x1 /* Support for address rewrites */
62#define STARTTLS 0x2 /* StartTLS support */
63#define SECURETRANS 0x4 /* SSL/TLS in general */
64#define TLSINIT 0x8 /* Flag for TLS init phase */
65#define DEFER 0x10 /* Defer mails */
b558d098 66#define INSECURE 0x20 /* Allow plain login w/o encryption */
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67
68struct stritem {
69 SLIST_ENTRY(stritem) next;
70 char *str;
71};
72SLIST_HEAD(strlist, stritem);
73
74struct alias {
75 LIST_ENTRY(alias) next;
76 char *alias;
77 struct strlist dests;
78};
79LIST_HEAD(aliases, alias);
80
81struct qitem {
82 LIST_ENTRY(qitem) next;
83 const char *sender;
84 char *addr;
85 char *queuefn;
86 char *queueid;
87 FILE *queuef;
88 off_t hdrlen;
89 int remote;
90};
91LIST_HEAD(queueh, qitem);
92
93struct queue {
94 struct queueh queue;
95 uintmax_t id;
96 int mailfd;
97 char *tmpf;
98};
99
100struct config {
101 char *smarthost;
102 int port;
103 char *aliases;
104 char *spooldir;
105 char *virtualpath;
106 char *authpath;
107 char *certfile;
108 int features;
109#ifdef HAVE_CRYPTO
110 SSL *ssl;
111#endif /* HAVE_CRYPTO */
112};
113
114
115struct virtuser {
116 SLIST_ENTRY(virtuser) next;
117 char *login;
118 char *address;
119};
120SLIST_HEAD(virtusers, virtuser);
121
122struct authuser {
123 SLIST_ENTRY(authuser) next;
124 char *login;
125 char *password;
126 char *host;
127};
128SLIST_HEAD(authusers, authuser);
129
130extern struct aliases aliases;
131
132/* aliases_parse.y */
133extern int yyparse(void);
134extern FILE *yyin;
135
136/* conf.c */
137extern void trim_line(char *);
138extern int parse_conf(const char *, struct config *);
139extern int parse_virtuser(const char *);
140extern int parse_authfile(const char *);
141
142/* crypto.c */
143#ifdef HAVE_CRYPTO
144extern int smtp_init_crypto(struct qitem *, int, int);
145#endif /* HAVE_CRYPTO */
146
147/* net.c */
148extern int check_for_smtp_error(int, char *);
149extern ssize_t send_remote_command(int, const char*, ...);
150extern int deliver_remote(struct qitem *, const char **);
151
152/* base64.c */
153extern int base64_encode(const void *, int, char **);
154
155/* dma.c */
156extern char * hostname(void);
157#endif