ig4 - Stop I2C controller after checking that it's kind of functional.
[dragonfly.git] / libexec / dma / dma.h
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f67beddd 1/*
37d59876 2 * Copyright (c) 2008-2014, Simon Schubert <2@0x2c.org>.
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3 * Copyright (c) 2008 The DragonFly Project. All rights reserved.
4 *
5 * This code is derived from software contributed to The DragonFly Project
37d59876 6 * by Simon Schubert <2@0x2c.org> and
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7 * Matthias Schmidt <matthias@dragonflybsd.org>.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 * 3. Neither the name of The DragonFly Project nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific, prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
26 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
27 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
29 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
31 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
33 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
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35 */
36
37#ifndef DMA_H
38#define DMA_H
39
3021968a 40#include <sys/types.h>
f67beddd 41#include <sys/queue.h>
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42#include <sys/socket.h>
43#include <arpa/nameser.h>
44#include <arpa/inet.h>
45#include <openssl/ssl.h>
46#include <netdb.h>
f67beddd 47
c8b07ee5 48#define VERSION "DragonFly Mail Agent " DMA_VERSION
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49
50#define BUF_SIZE 2048
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51#define ERRMSG_SIZE 200
52#define USERNAME_SIZE 50
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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 */
14dfb991 56#define SLEEP_TIMEOUT 30 /* check for queue flush every 30 seconds */
144b337d 57#ifndef PATH_MAX
f67beddd 58#define PATH_MAX 1024 /* Max path len */
144b337d 59#endif
01c2a160 60#define SMTP_PORT 25 /* Default SMTP port */
c8b07ee5 61#define CON_TIMEOUT (5*60) /* Connection timeout per RFC5321 */
f67beddd 62
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63#define STARTTLS 0x002 /* StartTLS support */
64#define SECURETRANS 0x004 /* SSL/TLS in general */
6ef9fe01 65#define NOSSL 0x008 /* Do not use SSL */
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66#define DEFER 0x010 /* Defer mails */
67#define INSECURE 0x020 /* Allow plain login w/o encryption */
5ca28cf6 68#define FULLBOUNCE 0x040 /* Bounce the full message */
c8b07ee5 69#define TLS_OPP 0x080 /* Opportunistic STARTTLS */
14dfb991 70#define NULLCLIENT 0x100 /* Nullclient support */
01c2a160 71
f4e61a9f 72#ifndef CONF_PATH
c8b07ee5 73#error Please define CONF_PATH
f4e61a9f 74#endif
f67beddd 75
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76#ifndef LIBEXEC_PATH
77#error Please define LIBEXEC_PATH
78#endif
79
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80#define SPOOL_FLUSHFILE "flush"
81
82#ifndef DMA_ROOT_USER
c8b07ee5 83#define DMA_ROOT_USER "mail"
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84#endif
85#ifndef DMA_GROUP
c8b07ee5 86#define DMA_GROUP "mail"
14dfb991 87#endif
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88
89#ifndef MBOX_STRICT
90#define MBOX_STRICT 0
91#endif
92
93
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94struct stritem {
95 SLIST_ENTRY(stritem) next;
96 char *str;
97};
98SLIST_HEAD(strlist, stritem);
99
100struct alias {
101 LIST_ENTRY(alias) next;
102 char *alias;
103 struct strlist dests;
104};
105LIST_HEAD(aliases, alias);
106
107struct qitem {
108 LIST_ENTRY(qitem) next;
109 const char *sender;
110 char *addr;
111 char *queuefn;
f4e61a9f 112 char *mailfn;
f67beddd 113 char *queueid;
9afa363f 114 FILE *queuef;
f4e61a9f 115 FILE *mailf;
4a23bd3d 116 int remote;
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117};
118LIST_HEAD(queueh, qitem);
119
120struct queue {
121 struct queueh queue;
405f48ee 122 char *id;
9afa363f 123 FILE *mailf;
f67beddd 124 char *tmpf;
1c9e6b7b 125 const char *sender;
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126};
127
128struct config {
ca259d14 129 const char *smarthost;
f67beddd 130 int port;
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131 const char *aliases;
132 const char *spooldir;
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133 const char *authpath;
134 const char *certfile;
f67beddd 135 int features;
ca259d14 136 const char *mailname;
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137 const char *masquerade_host;
138 const char *masquerade_user;
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139
140 /* XXX does not belong into config */
f67beddd 141 SSL *ssl;
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142};
143
144
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145struct authuser {
146 SLIST_ENTRY(authuser) next;
147 char *login;
148 char *password;
149 char *host;
150};
151SLIST_HEAD(authusers, authuser);
152
f4e61a9f 153
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154struct mx_hostentry {
155 char host[MAXDNAME];
156 char addr[INET6_ADDRSTRLEN];
157 int pref;
158 struct addrinfo ai;
159 struct sockaddr_storage sa;
160};
161
162
f4e61a9f 163/* global variables */
f67beddd 164extern struct aliases aliases;
ca259d14 165extern struct config config;
f4e61a9f 166extern struct strlist tmpfs;
f4e61a9f 167extern struct authusers authusers;
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168extern char username[USERNAME_SIZE];
169extern uid_t useruid;
1da0a9f2 170extern const char *logident_base;
f67beddd 171
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172extern char neterr[ERRMSG_SIZE];
173extern char errmsg[ERRMSG_SIZE];
a5a8a1a4 174
f67beddd 175/* aliases_parse.y */
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176extern FILE *yyin;
177
178/* conf.c */
f4e61a9f 179void trim_line(char *);
ca259d14 180void parse_conf(const char *);
ca259d14 181void parse_authfile(const char *);
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182
183/* crypto.c */
c8b07ee5 184void hmac_md5(unsigned char *, int, unsigned char *, int, unsigned char *);
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185int smtp_auth_md5(int, char *, char *);
186int smtp_init_crypto(int, int);
f67beddd 187
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188/* dns.c */
189int dns_get_mx_list(const char *, int, struct mx_hostentry **, int);
190
f67beddd 191/* net.c */
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192char *ssl_errstr(void);
193int read_remote(int, int, char *);
14dfb991 194ssize_t send_remote_command(int, const char*, ...) __attribute__((__nonnull__(2), __format__ (__printf__, 2, 3)));
c8b07ee5 195int deliver_remote(struct qitem *);
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196
197/* base64.c */
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198int base64_encode(const void *, int, char **);
199int base64_decode(const char *, void *);
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200
201/* dma.c */
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202#define EXPAND_ADDR 1
203#define EXPAND_WILDCARD 2
1c9e6b7b 204int add_recp(struct queue *, const char *, int);
30833a29 205void run_queue(struct queue *);
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206
207/* spool.c */
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208int newspoolf(struct queue *);
209int linkspool(struct queue *);
1da0a9f2 210int load_queue(struct queue *);
f4e61a9f 211void delqueue(struct qitem *);
24c80b2b 212int acquirespool(struct qitem *);
9afa363f 213void dropspool(struct queue *, struct qitem *);
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214int flushqueue_since(unsigned int);
215int flushqueue_signal(void);
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216
217/* local.c */
c8b07ee5 218int deliver_local(struct qitem *);
1da0a9f2 219
30833a29 220/* mail.c */
b9c8dce8 221void bounce(struct qitem *, const char *) __attribute__((__noreturn__));
ff48fce6 222int readmail(struct queue *, int, int);
30833a29 223
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224/* util.c */
225const char *hostname(void);
14dfb991 226void setlogident(const char *, ...) __attribute__((__format__ (__printf__, 1, 2)));
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227void errlog(int, const char *, ...) __attribute__((__format__ (__printf__, 2, 3))) __attribute__((__noreturn__));
228void errlogx(int, const char *, ...) __attribute__((__format__ (__printf__, 2, 3))) __attribute__((__noreturn__));
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229void set_username(void);
230void deltmp(void);
c8b07ee5 231int do_timeout(int, int);
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232int open_locked(const char *, int, ...);
233char *rfc822date(void);
234int strprefixcmp(const char *, const char *);
c8b07ee5 235void init_random(void);
1da0a9f2 236
f67beddd 237#endif