diff options
Diffstat (limited to 'src/core/or/extend_info_st.h')
| -rw-r--r-- | src/core/or/extend_info_st.h | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/src/core/or/extend_info_st.h b/src/core/or/extend_info_st.h index bc7a77b1b2..757c6a1771 100644 --- a/src/core/or/extend_info_st.h +++ b/src/core/or/extend_info_st.h @@ -1,18 +1,28 @@ /* Copyright (c) 2001 Matej Pfajfar. * Copyright (c) 2001-2004, Roger Dingledine. * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. - * Copyright (c) 2007-2019, The Tor Project, Inc. */ + * Copyright (c) 2007-2020, The Tor Project, Inc. */ /* See LICENSE for licensing information */ +/** + * @file extend_info_st.h + * @brief Extend-info structure. + **/ + #ifndef EXTEND_INFO_ST_H #define EXTEND_INFO_ST_H #include "lib/crypt_ops/crypto_curve25519.h" #include "lib/crypt_ops/crypto_ed25519.h" +/** Largest number of addresses we handle in an extend_info. + * + * More are permitted in an EXTEND cell, but we won't handle them. */ +#define EXTEND_INFO_MAX_ADDRS 2 + /** Information on router used when extending a circuit. We don't need a * full routerinfo_t to extend: we only need addr:port:keyid to build an OR - * connection, and onion_key to create the onionskin. Note that for onehop + * connection, and onion_key to create the onionskin. Note that for one-hop * general-purpose tunnels, the onion_key is NULL. */ struct extend_info_t { char nickname[MAX_HEX_NICKNAME_LEN+1]; /**< This router's nickname for @@ -21,10 +31,13 @@ struct extend_info_t { char identity_digest[DIGEST_LEN]; /** Ed25519 identity for this router, if any. */ ed25519_public_key_t ed_identity; - uint16_t port; /**< OR port. */ - tor_addr_t addr; /**< IP address. */ - crypto_pk_t *onion_key; /**< Current onionskin key. */ + /** IP/Port values for this hop's ORPort(s). Any unused values are set + * to a null address. */ + tor_addr_port_t orports[EXTEND_INFO_MAX_ADDRS]; + /** TAP onion key for this hop. */ + crypto_pk_t *onion_key; + /** Ntor onion key for this hop. */ curve25519_public_key_t curve25519_onion_key; }; -#endif +#endif /* !defined(EXTEND_INFO_ST_H) */ |