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
  36 #ifndef DMA_H
  37 #define DMA_H
  38
  39 #include <openssl/ssl.h>
  40
  41 #include <sys/queue.h>
  42
  43 #ifndef __unused
  44 #ifdef __GNUC__
  45 #define __unused        __attribute__((unused))
  46 #else
  47 #define __unused
  48 #endif  /* __GNUC__ */
  49 #endif
  50
  51 #define VERSION "DragonFly Mail Agent"
  52
  53 #define BUF_SIZE        2048
  54 #define MIN_RETRY       300             /* 5 minutes */
  55 #define MAX_RETRY       (3*60*60)       /* retry at least every 3 hours */
  56 #define MAX_TIMEOUT     (5*24*60*60)    /* give up after 5 days */
  57 #ifndef PATH_MAX
  58 #define PATH_MAX        1024            /* Max path len */
  59 #endif
  60 #define SMTP_PORT       25              /* Default SMTP port */
  61 #define CON_TIMEOUT     120             /* Connection timeout */
  62
  63 #define VIRTUAL         0x001           /* Support for address rewrites */
  64 #define STARTTLS        0x002           /* StartTLS support */
  65 #define SECURETRANS     0x004           /* SSL/TLS in general */
  66 #define NOSSL           0x008           /* Do not use SSL */
  67 #define DEFER           0x010           /* Defer mails */
  68 #define INSECURE        0x020           /* Allow plain login w/o encryption */
  69 #define FULLBOUNCE      0x040           /* Bounce the full message */
  70
  71 #ifndef CONF_PATH
  72 #define CONF_PATH       "/etc/dma/dma.conf"     /* Default path to dma.conf */
  73 #endif
  74
  75 struct stritem {
  76         SLIST_ENTRY(stritem) next;
  77         char *str;
  78 };
  79 SLIST_HEAD(strlist, stritem);
  80
  81 struct alias {
  82         LIST_ENTRY(alias) next;
  83         char *alias;
  84         struct strlist dests;
  85 };
  86 LIST_HEAD(aliases, alias);
  87
  88 struct qitem {
  89         LIST_ENTRY(qitem) next;
  90         const char *sender;
  91         char *addr;
  92         char *queuefn;
  93         char *mailfn;
  94         char *queueid;
  95         FILE *queuef;
  96         FILE *mailf;
  97         int remote;
  98 };
  99 LIST_HEAD(queueh, qitem);
 100
 101 struct queue {
 102         struct queueh queue;
 103         char *id;
 104         FILE *mailf;
 105         char *tmpf;
 106         const char *sender;
 107 };
 108
 109 struct config {
 110         char *smarthost;
 111         int port;
 112         char *aliases;
 113         char *spooldir;
 114         char *virtualpath;
 115         char *authpath;
 116         char *certfile;
 117         int features;
 118         SSL *ssl;
 119         char *mailname;
 120         char *mailnamefile;
 121 };
 122
 123
 124 struct virtuser {
 125         SLIST_ENTRY(virtuser) next;
 126         char *login;
 127         char *address;
 128 };
 129 SLIST_HEAD(virtusers, virtuser);
 130
 131 struct authuser {
 132         SLIST_ENTRY(authuser) next;
 133         char *login;
 134         char *password;
 135         char *host;
 136 };
 137 SLIST_HEAD(authusers, authuser);
 138
 139
 140 /* global variables */
 141 extern struct aliases aliases;
 142 extern struct config *config;
 143 extern struct strlist tmpfs;
 144 extern struct virtusers virtusers;
 145 extern struct authusers authusers;
 146 extern const char *username;
 147 extern const char *logident_base;
 148
 149 extern char neterr[BUF_SIZE];
 150
 151 /* aliases_parse.y */
 152 int yyparse(void);
 153 extern FILE *yyin;
 154
 155 /* conf.c */
 156 void trim_line(char *);
 157 int parse_conf(const char *);
 158 int parse_virtuser(const char *);
 159 int parse_authfile(const char *);
 160
 161 /* crypto.c */
 162 void hmac_md5(unsigned char *, int, unsigned char *, int, caddr_t);
 163 int smtp_auth_md5(int, char *, char *);
 164 int smtp_init_crypto(int, int);
 165
 166 /* net.c */
 167 char *ssl_errstr(void);
 168 int read_remote(int, int, char *);
 169 ssize_t send_remote_command(int, const char*, ...);
 170 int deliver_remote(struct qitem *, const char **);
 171
 172 /* base64.c */
 173 int base64_encode(const void *, int, char **);
 174 int base64_decode(const char *, void *);
 175
 176 /* dma.c */
 177 int add_recp(struct queue *, const char *, int);
 178 void run_queue(struct queue *);
 179
 180 /* spool.c */
 181 int newspoolf(struct queue *);
 182 int linkspool(struct queue *);
 183 int load_queue(struct queue *);
 184 void delqueue(struct qitem *);
 185 int aquirespool(struct qitem *);
 186 void dropspool(struct queue *, struct qitem *);
 187
 188 /* local.c */
 189 int deliver_local(struct qitem *, const char **errmsg);
 190
 191 /* mail.c */
 192 void bounce(struct qitem *, const char *);
 193 int readmail(struct queue *, int, int);
 194
 195 /* util.c */
 196 const char *hostname(void);
 197 void setlogident(const char *, ...);
 198 void errlog(int, const char *, ...);
 199 void errlogx(int, const char *, ...);
 200 void set_username(void);
 201 void deltmp(void);
 202 int open_locked(const char *, int, ...);
 203 char *rfc822date(void);
 204 int strprefixcmp(const char *, const char *);
 205
 206 #endif