src/lmtp/lmtp-proxy.h

	lmtp-proxy.h revision 11bb1153a62c952a080b2ba6950477c328b06235
#ifndef LMTP_PROXY_H
#define LMTP_PROXY_H

#include "net.h"
#include "smtp-address.h"
#include "smtp-params.h"
#include "smtp-client.h"

#define LMTP_PROXY_DEFAULT_TTL 5

struct smtp_address;
struct lmtp_proxy;
struct client;

struct lmtp_proxy_settings {
    const char *my_hostname;
    const char *session_id;

    /* the original client's IP/port that connected to the proxy */
    struct ip_addr source_ip;
    in_port_t source_port;
    unsigned int proxy_ttl;
};

struct lmtp_proxy_rcpt_settings {
    enum smtp_protocol protocol;
    const char *host;
    struct ip_addr hostip;
    in_port_t port;
    unsigned int timeout_msecs;
    struct smtp_params_rcpt params;
};

typedef void lmtp_proxy_finish_callback_t(void *context);

void lmtp_proxy_deinit(struct lmtp_proxy **proxy);

unsigned int lmtp_proxy_rcpt_count(struct client *client);

/* Add a new recipient. Returns -1 if we already know that the destination
   host can't be reached. */
int lmtp_proxy_add_rcpt(struct lmtp_proxy *proxy,
            const struct smtp_address *address,
            const struct lmtp_proxy_rcpt_settings *set);

int lmtp_proxy_rcpt(struct client *client,
            struct smtp_address *address,
            const char *username, const char *detail, char delim,
            struct smtp_params_rcpt *params);

/* Start proxying */
void lmtp_proxy_start(struct lmtp_proxy *proxy, struct istream *data_input,
              lmtp_proxy_finish_callback_t *callback, void *context)
    ATTR_NULL(3);


#endif