libexec/dma/dma.h

   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 1.3 2008/02/04 10:11:41 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 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 */
  66 #define INSECURE        0x20            /* Allow plain login w/o encryption */
  67
  68 struct stritem {
  69         SLIST_ENTRY(stritem) next;
  70         char *str;
  71 };
  72 SLIST_HEAD(strlist, stritem);
  73
  74 struct alias {
  75         LIST_ENTRY(alias) next;
  76         char *alias;
  77         struct strlist dests;
  78 };
  79 LIST_HEAD(aliases, alias);
  80
  81 struct 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 };
  91 LIST_HEAD(queueh, qitem);
  92
  93 struct queue {
  94         struct queueh queue;
  95         uintmax_t id;
  96         int mailfd;
  97         char *tmpf;
  98 };
  99
 100 struct 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
 115 struct virtuser {
 116         SLIST_ENTRY(virtuser) next;
 117         char *login;
 118         char *address;
 119 };
 120 SLIST_HEAD(virtusers, virtuser);
 121
 122 struct authuser {
 123         SLIST_ENTRY(authuser) next;
 124         char *login;
 125         char *password;
 126         char *host;
 127 };
 128 SLIST_HEAD(authusers, authuser);
 129
 130 extern struct aliases aliases;
 131
 132 /* aliases_parse.y */
 133 extern int yyparse(void);
 134 extern FILE *yyin;
 135
 136 /* conf.c */
 137 extern void trim_line(char *);
 138 extern int parse_conf(const char *, struct config *);
 139 extern int parse_virtuser(const char *);
 140 extern int parse_authfile(const char *);
 141
 142 /* crypto.c */
 143 #ifdef HAVE_CRYPTO
 144 extern int smtp_init_crypto(struct qitem *, int, int);
 145 #endif /* HAVE_CRYPTO */
 146
 147 /* net.c */
 148 extern int check_for_smtp_error(int, char *);
 149 extern ssize_t send_remote_command(int, const char*, ...);
 150 extern int deliver_remote(struct qitem *, const char **);
 151
 152 /* base64.c */
 153 extern int base64_encode(const void *, int, char **);
 154
 155 /* dma.c */
 156 extern char * hostname(void);
 157 #endif