login-proxy.h revision 8372fc7efb6d64dff2e5f55fb4a3822c56869cfe
#ifndef LOGIN_PROXY_H
#define LOGIN_PROXY_H
struct login_proxy;
/* Called when new input comes from proxy. */
typedef void proxy_callback_t(struct istream *input, struct ostream *output,
void *context);
/* Create a proxy to given host. Returns NULL if failed. Given callback is
called when new input is available from proxy. */
struct login_proxy *
login_proxy_new(struct client *client, const char *host, unsigned int port,
proxy_callback_t *callback, void *context);
#ifdef CONTEXT_TYPE_SAFETY
# define login_proxy_new(client, host, port, callback, context) \
({(void)(1 ? 0 : callback((struct istream *)NULL, \
(struct ostream *)NULL, context)); \
login_proxy_new(client, host, port, \
(proxy_callback_t *)callback, context); })
#else
# define login_proxy_new(client, host, port, callback, context) \
login_proxy_new(client, host, port, \
(proxy_callback_t *)callback, context)
#endif
/* Free the proxy. This should be called if authentication fails. */
void login_proxy_free(struct login_proxy **proxy);
/* Return TRUE if host/port/destuser combination points to same as current
connection. */
bool login_proxy_is_ourself(const struct client *client, const char *host,
unsigned int port, const char *destuser);
/* Detach proxy from client. This is done after the authentication is
successful and all that is left is the dummy proxying. */
void login_proxy_detach(struct login_proxy *proxy, struct istream *client_input,
struct ostream *client_output);
const char *login_proxy_get_host(const struct login_proxy *proxy) ATTR_PURE;
unsigned int login_proxy_get_port(const struct login_proxy *proxy) ATTR_PURE;
/* Return number of active detached login proxies */
unsigned int login_proxy_get_count(void) ATTR_PURE;
void login_proxy_deinit(void);
#endif