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/* Copyright (c) 2001 Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2012, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file connection_edge.h
* \brief Header file for connection_edge.c.
**/
#ifndef _TOR_CONNECTION_EDGE_H
#define _TOR_CONNECTION_EDGE_H
#define connection_mark_unattached_ap(conn, endreason) \
_connection_mark_unattached_ap((conn), (endreason), __LINE__, _SHORT_FILE_)
void _connection_mark_unattached_ap(entry_connection_t *conn, int endreason,
int line, const char *file);
int connection_edge_reached_eof(edge_connection_t *conn);
int connection_edge_process_inbuf(edge_connection_t *conn,
int package_partial);
int connection_edge_destroy(circid_t circ_id, edge_connection_t *conn);
int connection_edge_end(edge_connection_t *conn, uint8_t reason);
int connection_edge_end_errno(edge_connection_t *conn);
int connection_edge_flushed_some(edge_connection_t *conn);
int connection_edge_finished_flushing(edge_connection_t *conn);
int connection_edge_finished_connecting(edge_connection_t *conn);
void connection_ap_about_to_close(entry_connection_t *edge_conn);
void connection_exit_about_to_close(edge_connection_t *edge_conn);
int connection_ap_handshake_send_begin(entry_connection_t *ap_conn);
int connection_ap_handshake_send_resolve(entry_connection_t *ap_conn);
entry_connection_t *connection_ap_make_link(connection_t *partner,
char *address, uint16_t port,
const char *digest,
int session_group,
int isolation_flags,
int use_begindir, int want_onehop);
void connection_ap_handshake_socks_reply(entry_connection_t *conn, char *reply,
size_t replylen,
int endreason);
void connection_ap_handshake_socks_resolved(entry_connection_t *conn,
int answer_type,
size_t answer_len,
const uint8_t *answer,
int ttl,
time_t expires);
int connection_exit_begin_conn(cell_t *cell, circuit_t *circ);
int connection_exit_begin_resolve(cell_t *cell, or_circuit_t *circ);
void connection_exit_connect(edge_connection_t *conn);
int connection_edge_is_rendezvous_stream(edge_connection_t *conn);
int connection_ap_can_use_exit(const entry_connection_t *conn,
const node_t *exit);
void connection_ap_expire_beginning(void);
void connection_ap_attach_pending(void);
void connection_ap_fail_onehop(const char *failed_digest,
cpath_build_state_t *build_state);
void circuit_discard_optional_exit_enclaves(extend_info_t *info);
int connection_ap_detach_retriable(entry_connection_t *conn,
origin_circuit_t *circ,
int reason);
int connection_ap_process_transparent(entry_connection_t *conn);
int address_is_invalid_destination(const char *address, int client);
void addressmap_init(void);
void addressmap_clear_excluded_trackexithosts(const or_options_t *options);
void addressmap_clear_invalid_automaps(const or_options_t *options);
void addressmap_clean(time_t now);
void addressmap_clear_configured(void);
void addressmap_clear_transient(void);
void addressmap_free_all(void);
int addressmap_rewrite(char *address, size_t maxlen, time_t *expires_out,
addressmap_entry_source_t *exit_source_out);
int addressmap_have_mapping(const char *address, int update_timeout);
void addressmap_register(const char *address, char *new_address,
time_t expires, addressmap_entry_source_t source,
const int address_wildcard,
const int new_address_wildcard);
int parse_virtual_addr_network(const char *val, int validate_only,
char **msg);
int client_dns_incr_failures(const char *address);
void client_dns_clear_failures(const char *address);
void client_dns_set_addressmap(const char *address, uint32_t val,
const char *exitname, int ttl);
const char *addressmap_register_virtual_address(int type, char *new_address);
void addressmap_get_mappings(smartlist_t *sl, time_t min_expires,
time_t max_expires, int want_expiry);
int connection_ap_rewrite_and_attach_if_allowed(entry_connection_t *conn,
origin_circuit_t *circ,
crypt_path_t *cpath);
int connection_ap_handshake_rewrite_and_attach(entry_connection_t *conn,
origin_circuit_t *circ,
crypt_path_t *cpath);
/** Possible return values for parse_extended_hostname. */
typedef enum hostname_type_t {
NORMAL_HOSTNAME, ONION_HOSTNAME, EXIT_HOSTNAME, BAD_HOSTNAME
} hostname_type_t;
hostname_type_t parse_extended_hostname(char *address);
#if defined(HAVE_NET_IF_H) && defined(HAVE_NET_PFVAR_H)
int get_pf_socket(void);
#endif
int connection_edge_compatible_with_circuit(const entry_connection_t *conn,
const origin_circuit_t *circ);
int connection_edge_update_circuit_isolation(const entry_connection_t *conn,
origin_circuit_t *circ,
int dry_run);
void circuit_clear_isolation(origin_circuit_t *circ);
#endif
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