dma: restructure logging
[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 *
bc7baf1d 35 * $DragonFly: src/libexec/dma/dma.h,v 1.8 2008/09/30 17:47:21 swildner Exp $
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36 */
37
38#ifndef DMA_H
39#define DMA_H
40
f67beddd 41#include <openssl/ssl.h>
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42
43#include <sys/queue.h>
f67beddd 44
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45#ifndef __unused
46#ifdef __GNUC__
47#define __unused __attribute__((unused))
48#else
49#define __unused
50#endif /* __GNUC__ */
51#endif
f67beddd 52
01c2a160 53#define VERSION "DragonFly Mail Agent"
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54
55#define BUF_SIZE 2048
56#define MIN_RETRY 300 /* 5 minutes */
57#define MAX_RETRY (3*60*60) /* retry at least every 3 hours */
58#define MAX_TIMEOUT (5*24*60*60) /* give up after 5 days */
144b337d 59#ifndef PATH_MAX
f67beddd 60#define PATH_MAX 1024 /* Max path len */
144b337d 61#endif
01c2a160 62#define SMTP_PORT 25 /* Default SMTP port */
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63#define CON_TIMEOUT 120 /* Connection timeout */
64
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65#define VIRTUAL 0x001 /* Support for address rewrites */
66#define STARTTLS 0x002 /* StartTLS support */
67#define SECURETRANS 0x004 /* SSL/TLS in general */
6ef9fe01 68#define NOSSL 0x008 /* Do not use SSL */
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69#define DEFER 0x010 /* Defer mails */
70#define INSECURE 0x020 /* Allow plain login w/o encryption */
5ca28cf6 71#define FULLBOUNCE 0x040 /* Bounce the full message */
01c2a160 72
f4e61a9f 73#ifndef CONF_PATH
01c2a160 74#define CONF_PATH "/etc/dma/dma.conf" /* Default path to dma.conf */
f4e61a9f 75#endif
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76
77struct stritem {
78 SLIST_ENTRY(stritem) next;
79 char *str;
80};
81SLIST_HEAD(strlist, stritem);
82
83struct alias {
84 LIST_ENTRY(alias) next;
85 char *alias;
86 struct strlist dests;
87};
88LIST_HEAD(aliases, alias);
89
90struct qitem {
91 LIST_ENTRY(qitem) next;
92 const char *sender;
93 char *addr;
94 char *queuefn;
f4e61a9f 95 char *mailfn;
f67beddd 96 char *queueid;
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97 FILE *mailf;
98 int queuefd;
f67beddd 99 off_t hdrlen;
4a23bd3d 100 int remote;
4b331f9f 101 int locked;
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102};
103LIST_HEAD(queueh, qitem);
104
105struct queue {
106 struct queueh queue;
405f48ee 107 char *id;
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108 int mailfd;
109 char *tmpf;
110};
111
112struct config {
113 char *smarthost;
114 int port;
115 char *aliases;
116 char *spooldir;
117 char *virtualpath;
118 char *authpath;
119 char *certfile;
120 int features;
f67beddd 121 SSL *ssl;
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122 char *mailname;
123 char *mailnamefile;
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124};
125
126
127struct virtuser {
128 SLIST_ENTRY(virtuser) next;
129 char *login;
130 char *address;
131};
132SLIST_HEAD(virtusers, virtuser);
133
134struct authuser {
135 SLIST_ENTRY(authuser) next;
136 char *login;
137 char *password;
138 char *host;
139};
140SLIST_HEAD(authusers, authuser);
141
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142
143/* global variables */
f67beddd 144extern struct aliases aliases;
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145extern struct config *config;
146extern struct strlist tmpfs;
147extern struct virtusers virtusers;
148extern struct authusers authusers;
f67beddd 149
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150extern char neterr[BUF_SIZE];
151
f67beddd 152/* aliases_parse.y */
f4e61a9f 153int yyparse(void);
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154extern FILE *yyin;
155
156/* conf.c */
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157void trim_line(char *);
158int parse_conf(const char *);
159int parse_virtuser(const char *);
160int parse_authfile(const char *);
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161
162/* crypto.c */
f4e61a9f 163void hmac_md5(unsigned char *, int, unsigned char *, int, caddr_t);
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164int smtp_auth_md5(int, char *, char *);
165int smtp_init_crypto(int, int);
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166
167/* net.c */
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168char *ssl_errstr(void);
169int read_remote(int, int, char *);
170ssize_t send_remote_command(int, const char*, ...);
171int deliver_remote(struct qitem *, const char **);
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172
173/* base64.c */
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174int base64_encode(const void *, int, char **);
175int base64_decode(const char *, void *);
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176
177/* dma.c */
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178int open_locked(const char *, int, ...);
179int add_recp(struct queue *, const char *, const char *, int);
180const char *hostname(void);
181
182/* spool.c */
183int newspoolf(struct queue *, const char *);
184int linkspool(struct queue *);
185void load_queue(struct queue *, int);
186void delqueue(struct qitem *);
187
188/* local.c */
189int deliver_local(struct qitem *, const char **errmsg);
f67beddd 190#endif