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 1.8 2008/09/30 17:47:21 swildner 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" 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 SMTP_PORT 25 /* Default SMTP port */ 58 #define CON_TIMEOUT 120 /* Connection timeout */ 59 60 #define VIRTUAL 0x001 /* Support for address rewrites */ 61 #define STARTTLS 0x002 /* StartTLS support */ 62 #define SECURETRANS 0x004 /* SSL/TLS in general */ 63 #define NOSSL 0x008 /* Do not use SSL */ 64 #define DEFER 0x010 /* Defer mails */ 65 #define INSECURE 0x020 /* Allow plain login w/o encryption */ 66 67 #define ENDOFDOTFORWARD 0x01 /* no ~/.forward for this user */ 68 #define ISPIPE 0x02 /* there is a pipe line in the .forward */ 69 #define ISMAILBOX 0x04 /* there is a mailbox line in the .forward */ 70 71 #define ENDOFMAIL 0x01 /* on deliver_local() side everythings ok */ 72 #define GOTOCHOP 0x02 /* there was an problem with the queue-file, reset file seek */ 73 74 #define SEM_DF 0 /* semaphore for exclusive dotforwardhandler communication */ 75 #define SEM_WL 1 /* semaphore for exclusive write_to_local_user communication */ 76 #define SEM_SIGHUP 2 /* semaphore for signalling that the processes can terminate */ 77 78 #define CONF_PATH "/etc/dma/dma.conf" /* Default path to dma.conf */ 79 80 struct stritem { 81 SLIST_ENTRY(stritem) next; 82 char *str; 83 }; 84 SLIST_HEAD(strlist, stritem); 85 86 struct alias { 87 LIST_ENTRY(alias) next; 88 char *alias; 89 struct strlist dests; 90 }; 91 LIST_HEAD(aliases, alias); 92 93 struct qitem { 94 LIST_ENTRY(qitem) next; 95 const char *sender; 96 char *addr; 97 char *pipeuser; 98 char *queuefn; 99 char *queueid; 100 FILE *queuef; 101 off_t hdrlen; 102 int local; 103 }; 104 LIST_HEAD(queueh, qitem); 105 106 struct queue { 107 struct queueh queue; 108 uintmax_t id; 109 int mailfd; 110 char *tmpf; 111 }; 112 113 struct config { 114 char *smarthost; 115 int port; 116 char *aliases; 117 char *spooldir; 118 char *virtualpath; 119 char *authpath; 120 char *certfile; 121 int features; 122 #ifdef HAVE_CRYPTO 123 SSL *ssl; 124 #endif /* HAVE_CRYPTO */ 125 }; 126 127 128 struct virtuser { 129 SLIST_ENTRY(virtuser) next; 130 char *login; 131 char *address; 132 }; 133 SLIST_HEAD(virtusers, virtuser); 134 135 struct authuser { 136 SLIST_ENTRY(authuser) next; 137 char *login; 138 char *password; 139 char *host; 140 }; 141 SLIST_HEAD(authusers, authuser); 142 143 extern struct aliases aliases; 144 145 /* aliases_parse.y */ 146 extern int yyparse(void); 147 extern FILE *yyin; 148 149 /* conf.c */ 150 extern void trim_line(char *); 151 extern int parse_conf(const char *, struct config *); 152 extern int parse_virtuser(const char *); 153 extern int parse_authfile(const char *); 154 155 /* crypto.c */ 156 #ifdef HAVE_CRYPTO 157 extern void hmac_md5(unsigned char *, int, unsigned char *, int, caddr_t); 158 extern int smtp_auth_md5(struct qitem *, int, char *, char *); 159 extern int smtp_init_crypto(struct qitem *, int, int); 160 #endif /* HAVE_CRYPTO */ 161 162 /* net.c */ 163 extern int read_remote(int, int, char *); 164 extern ssize_t send_remote_command(int, const char*, ...); 165 extern int deliver_remote(struct qitem *, const char **, struct queue **); 166 167 /* base64.c */ 168 extern int base64_encode(const void *, int, char **); 169 extern int base64_decode(const char *, void *); 170 171 /* dma.c */ 172 extern char * hostname(void); 173 #endif 174