smtpd_proxy.h

[詳解]

/*++
/* NAME
/*  smtpd_proxy 3h
/* SUMMARY
/*  SMTP server pass-through proxy client
/* SYNOPSIS
/*  #include <smtpd.h>
/*  #include <smtpd_proxy.h>
/* DESCRIPTION
/* .nf

 /*
  * Utility library.
  */
#include <vstream.h>
#include <vstring.h>

 /*
  * Application-specific.
  */
typedef int PRINTFPTRLIKE(3, 4) (*SMTPD_PROXY_CMD_FN) (SMTPD_STATE *, int, const char *,...);
typedef int PRINTFPTRLIKE(3, 4) (*SMTPD_PROXY_REC_FPRINTF_FN) (VSTREAM *, int, const char *,...);
typedef int (*SMTPD_PROXY_REC_PUT_FN) (VSTREAM *, int, const char *, ssize_t);

typedef struct SMTPD_PROXY {
    /* Public. */
    VSTREAM *stream;
    VSTRING *request;           /* proxy request buffer */
    VSTRING *reply;         /* proxy reply buffer */
    SMTPD_PROXY_CMD_FN cmd;
    SMTPD_PROXY_REC_FPRINTF_FN rec_fprintf;
    SMTPD_PROXY_REC_PUT_FN rec_put;
    /* Private. */
    int     flags;
    VSTREAM *service_stream;
    const char *service_name;
    int     timeout;
    const char *ehlo_name;
    const char *mail_from;
} SMTPD_PROXY;

#define SMTPD_PROXY_FLAG_SPEED_ADJUST   (1<<0)

#define SMTPD_PROXY_NAME_SPEED_ADJUST   "speed_adjust"

#define SMTPD_PROX_WANT_BAD 0xff    /* Do not use */
#define SMTPD_PROX_WANT_NONE    '\0'    /* Do not receive reply */
#define SMTPD_PROX_WANT_ANY '0' /* Expect any reply */
#define SMTPD_PROX_WANT_OK  '2' /* Expect 2XX reply */
#define SMTPD_PROX_WANT_MORE    '3' /* Expect 3XX reply */

extern int smtpd_proxy_create(SMTPD_STATE *, int, const char *, int, const char *, const char *);
extern void smtpd_proxy_close(SMTPD_STATE *);
extern void smtpd_proxy_free(SMTPD_STATE *);
extern int smtpd_proxy_parse_opts(const char *, const char *);

/* LICENSE
/* .ad
/* .fi
/*  The Secure Mailer license must be distributed with this software.
/* AUTHOR(S)
/*  Wietse Venema
/*  IBM T.J. Watson Research
/*  P.O. Box 704
/*  Yorktown Heights, NY 10598, USA
/*--*/