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63b4ea22af
This commit won't build yet -- it just puts everything in a slightly more logical place. The reasoning here is that "src/core" will hold the stuff that every (or nearly every) tor instance will need in order to do onion routing. Other features (including some necessary ones) will live in "src/feature". The "src/app" directory will hold the stuff needed to have Tor be an application you can actually run. This commit DOES NOT refactor the former contents of src/or into a logical set of acyclic libraries, or change any code at all. That will have to come in the future. We will continue to move things around and split them in the future, but I hope this lays a reasonable groundwork for doing so.
64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
/* Copyright (c) 2001 Matej Pfajfar.
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* Copyright (c) 2001-2004, Roger Dingledine.
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2018, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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#ifndef EXT_ORPORT_H
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#define EXT_ORPORT_H
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/** States of the Extended ORPort protocol. Be careful before changing
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* the numbers: they matter. */
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#define EXT_OR_CONN_STATE_MIN_ 1
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/** Extended ORPort authentication is waiting for the authentication
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* type selected by the client. */
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#define EXT_OR_CONN_STATE_AUTH_WAIT_AUTH_TYPE 1
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/** Extended ORPort authentication is waiting for the client nonce. */
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#define EXT_OR_CONN_STATE_AUTH_WAIT_CLIENT_NONCE 2
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/** Extended ORPort authentication is waiting for the client hash. */
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#define EXT_OR_CONN_STATE_AUTH_WAIT_CLIENT_HASH 3
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#define EXT_OR_CONN_STATE_AUTH_MAX 3
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/** Authentication finished and the Extended ORPort is now accepting
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* traffic. */
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#define EXT_OR_CONN_STATE_OPEN 4
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/** Extended ORPort is flushing its last messages and preparing to
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* start accepting OR connections. */
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#define EXT_OR_CONN_STATE_FLUSHING 5
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#define EXT_OR_CONN_STATE_MAX_ 5
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int connection_ext_or_start_auth(or_connection_t *or_conn);
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ext_or_cmd_t *ext_or_cmd_new(uint16_t len);
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#define ext_or_cmd_free(cmd) \
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FREE_AND_NULL(ext_or_cmd_t, ext_or_cmd_free_, (cmd))
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void ext_or_cmd_free_(ext_or_cmd_t *cmd);
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void connection_or_set_ext_or_identifier(or_connection_t *conn);
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void connection_or_remove_from_ext_or_id_map(or_connection_t *conn);
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void connection_or_clear_ext_or_id_map(void);
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or_connection_t *connection_or_get_by_ext_or_id(const char *id);
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int connection_ext_or_finished_flushing(or_connection_t *conn);
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int connection_ext_or_process_inbuf(or_connection_t *or_conn);
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int init_ext_or_cookie_authentication(int is_enabled);
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char *get_ext_or_auth_cookie_file_name(void);
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void ext_orport_free_all(void);
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#ifdef EXT_ORPORT_PRIVATE
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STATIC int connection_write_ext_or_command(connection_t *conn,
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uint16_t command,
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const char *body,
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size_t bodylen);
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STATIC int handle_client_auth_nonce(const char *client_nonce,
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size_t client_nonce_len,
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char **client_hash_out,
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char **reply_out, size_t *reply_len_out);
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#ifdef TOR_UNIT_TESTS
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extern uint8_t *ext_or_auth_cookie;
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extern int ext_or_auth_cookie_is_set;
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#endif
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#endif /* defined(EXT_ORPORT_PRIVATE) */
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#endif /* !defined(EXT_ORPORT_H) */
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