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/* $OpenBSD: client.h,v 1.3 2009/09/15 16:50:06 jacekm Exp $ */
/*
* Copyright (c) 2009 Jacek Masiulaniec <jacekm@dobremiasto.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef nitems
#define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
#endif
struct smtp_client;
/* return codes for io routines */
#define CLIENT_DONE 0 /* finished ok */
#define CLIENT_ERROR -1 /* generic error */
#define CLIENT_WANT_READ -2 /* need more data */
#define CLIENT_WANT_WRITE -3 /* have to send sth */
#define CLIENT_RCPT_FAIL -4 /* recipient refused */
/* client states */
#define CLIENT_SSL_INIT 0x1
#define CLIENT_SSL_CONNECT 0x2
#define CLIENT_INIT 0x3
#define CLIENT_EHLO 0x4
#define CLIENT_HELO 0x5
#define CLIENT_STARTTLS 0x6
#define CLIENT_AUTH 0x7
#define CLIENT_MAILFROM 0x8
#define CLIENT_RCPTTO 0x9
#define CLIENT_DATA 0xa
#define CLIENT_DATA_BODY 0xb
/* smtp extensions */
#define CLIENT_EXT_STARTTLS 0
#define CLIENT_EXT_AUTH 1
#define CLIENT_EXT_MAX 2
struct rcpt {
TAILQ_ENTRY(rcpt) entry;
char *mbox;
void *udata;
};
struct client_auth {
char *plain;
char *cert;
size_t certsz;
char *key;
size_t keysz;
};
struct client_ext {
short have;
short want;
short must;
short done;
short fail;
int state;
};
struct smtp_client {
int state;
char *ehlo;
char *sender;
TAILQ_HEAD(rlist,rcpt) recipients;
struct rcpt *rcptsent;
struct buf_read r;
struct msgbuf w;
struct buf *data;
struct client_ext exts[CLIENT_EXT_MAX];
void *ssl_state;
struct client_auth auth;
struct timeval timeout;
char reply[1024];
char ebuf[1024];
FILE *verbose;
};
struct smtp_client *client_init(int, char *);
struct timeval *client_timeout(struct smtp_client *);
void client_verbose(struct smtp_client *, FILE *);
int client_ssl_smtps(struct smtp_client *);
int client_ssl_optional(struct smtp_client *);
int client_certificate(struct smtp_client *, char *,
size_t, char *, size_t);
int client_auth(struct smtp_client *, char *);
int client_sender(struct smtp_client *, char *, ...);
int client_rcpt(struct smtp_client *, char *, ...);
void client_udata_set(struct smtp_client *, void *);
void *client_udata_get(struct smtp_client *);
int client_data_fd(struct smtp_client *, int);
int client_data_printf(struct smtp_client *, char *, ...);
int client_read(struct smtp_client *);
int client_write(struct smtp_client *);
void client_close(struct smtp_client *);
char *client_reply(struct smtp_client *);
char *client_strerror(struct smtp_client *);
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