diff options
Diffstat (limited to 'dma.h')
| -rw-r--r-- | dma.h | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/dma.h b/dma.h new file mode 100644 index 0000000000000..4ce00944a5ee1 --- /dev/null +++ b/dma.h @@ -0,0 +1,237 @@ +/* + * Copyright (c) 2008 The DragonFly Project. All rights reserved. + * + * This code is derived from software contributed to The DragonFly Project + * by Simon 'corecode' Schubert <corecode@fs.ei.tum.de> and + * Matthias Schmidt <matthias@dragonflybsd.org>. + * + * 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 <sys/types.h> +#include <sys/queue.h> +#include <sys/socket.h> +#include <arpa/nameser.h> +#include <arpa/inet.h> +#include <openssl/ssl.h> +#include <netdb.h> + +#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 */ +int yyparse(void); +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 |