/* * Copyright (c) 2008 The DragonFly Project. All rights reserved. * * This code is derived from software contributed to The DragonFly Project * by Simon 'corecode' Schubert and * Matthias Schmidt . * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name of The DragonFly Project nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific, prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef DMA_H #define DMA_H #include #include #include #include #include #include #include #define VERSION "DragonFly Mail Agent " DMA_VERSION #define BUF_SIZE 2048 #define ERRMSG_SIZE 200 #define USERNAME_SIZE 50 #define MIN_RETRY 300 /* 5 minutes */ #define MAX_RETRY (3*60*60) /* retry at least every 3 hours */ #define MAX_TIMEOUT (5*24*60*60) /* give up after 5 days */ #define SLEEP_TIMEOUT 30 /* check for queue flush every 30 seconds */ #ifndef PATH_MAX #define PATH_MAX 1024 /* Max path len */ #endif #define SMTP_PORT 25 /* Default SMTP port */ #define CON_TIMEOUT (5*60) /* Connection timeout per RFC5321 */ #define STARTTLS 0x002 /* StartTLS support */ #define SECURETRANS 0x004 /* SSL/TLS in general */ #define NOSSL 0x008 /* Do not use SSL */ #define DEFER 0x010 /* Defer mails */ #define INSECURE 0x020 /* Allow plain login w/o encryption */ #define FULLBOUNCE 0x040 /* Bounce the full message */ #define TLS_OPP 0x080 /* Opportunistic STARTTLS */ #define NULLCLIENT 0x100 /* Nullclient support */ #ifndef CONF_PATH #error Please define CONF_PATH #endif #ifndef LIBEXEC_PATH #error Please define LIBEXEC_PATH #endif #define SPOOL_FLUSHFILE "flush" #ifndef DMA_ROOT_USER #define DMA_ROOT_USER "mail" #endif #ifndef DMA_GROUP #define DMA_GROUP "mail" #endif #ifndef MBOX_STRICT #define MBOX_STRICT 0 #endif struct stritem { SLIST_ENTRY(stritem) next; char *str; }; SLIST_HEAD(strlist, stritem); struct alias { LIST_ENTRY(alias) next; char *alias; struct strlist dests; }; LIST_HEAD(aliases, alias); struct qitem { LIST_ENTRY(qitem) next; const char *sender; char *addr; char *queuefn; char *mailfn; char *queueid; FILE *queuef; FILE *mailf; int remote; }; LIST_HEAD(queueh, qitem); struct queue { struct queueh queue; char *id; FILE *mailf; char *tmpf; const char *sender; }; struct config { const char *smarthost; int port; const char *aliases; const char *spooldir; const char *authpath; const char *certfile; int features; const char *mailname; const char *masquerade_host; const char *masquerade_user; /* XXX does not belong into config */ SSL *ssl; }; struct authuser { SLIST_ENTRY(authuser) next; char *login; char *password; char *host; }; SLIST_HEAD(authusers, authuser); struct mx_hostentry { char host[MAXDNAME]; char addr[INET6_ADDRSTRLEN]; int pref; struct addrinfo ai; struct sockaddr_storage sa; }; /* global variables */ extern struct aliases aliases; extern struct config config; extern struct strlist tmpfs; extern struct authusers authusers; extern char username[USERNAME_SIZE]; extern uid_t useruid; extern const char *logident_base; extern char neterr[ERRMSG_SIZE]; extern char errmsg[ERRMSG_SIZE]; /* aliases_parse.y */ extern FILE *yyin; /* conf.c */ void trim_line(char *); void parse_conf(const char *); void parse_authfile(const char *); /* crypto.c */ void hmac_md5(unsigned char *, int, unsigned char *, int, unsigned char *); int smtp_auth_md5(int, char *, char *); int smtp_init_crypto(int, int); /* dns.c */ int dns_get_mx_list(const char *, int, struct mx_hostentry **, int); /* net.c */ char *ssl_errstr(void); int read_remote(int, int, char *); ssize_t send_remote_command(int, const char*, ...) __attribute__((__nonnull__(2), __format__ (__printf__, 2, 3))); int deliver_remote(struct qitem *); /* base64.c */ int base64_encode(const void *, int, char **); int base64_decode(const char *, void *); /* dma.c */ #define EXPAND_ADDR 1 #define EXPAND_WILDCARD 2 int add_recp(struct queue *, const char *, int); void run_queue(struct queue *); /* spool.c */ int newspoolf(struct queue *); int linkspool(struct queue *); int load_queue(struct queue *); void delqueue(struct qitem *); int acquirespool(struct qitem *); void dropspool(struct queue *, struct qitem *); int flushqueue_since(unsigned int); int flushqueue_signal(void); /* local.c */ int deliver_local(struct qitem *); /* mail.c */ void bounce(struct qitem *, const char *); int readmail(struct queue *, int, int); /* util.c */ const char *hostname(void); void setlogident(const char *, ...) __attribute__((__format__ (__printf__, 1, 2))); void errlog(int, const char *, ...) __attribute__((__format__ (__printf__, 2, 3))); void errlogx(int, const char *, ...) __attribute__((__format__ (__printf__, 2, 3))); void set_username(void); void deltmp(void); int do_timeout(int, int); int open_locked(const char *, int, ...); char *rfc822date(void); int strprefixcmp(const char *, const char *); void init_random(void); #endif