tor-commits June 2018

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[tor/master] Extract connection_t into its own header.
by nickm＠torproject.org 18 Jun '18

18 Jun '18

commit bba998af65c9a414c56824f5779d2c47cf5a6b44 Author: Nick Mathewson <nickm(a)torproject.org> Date: Fri Jun 15 11:05:56 2018 -0400 Extract connection_t into its own header. Now the entire connection_t hierarchy is extracted from or.h --- src/or/config.c | 1 + src/or/connection.c | 26 ++++++++ src/or/connection.h | 34 +---------- src/or/connection_st.h | 132 ++++++++++++++++++++++++++++++++++++++++ src/or/control_connection_st.h | 1 + src/or/dir_connection_st.h | 2 + src/or/edge_connection_st.h | 2 + src/or/include.am | 1 + src/or/listener_connection_st.h | 2 + src/or/or.h | 122 +------------------------------------ src/or/or_connection_st.h | 2 + src/test/test_helpers.c | 2 + 12 files changed, 175 insertions(+), 152 deletions(-) diff --git a/src/or/config.c b/src/or/config.c index 51ecca431..ca495aa97 100644 --- a/src/or/config.c +++ b/src/or/config.c @@ -116,6 +116,7 @@ #include "dirauth/dirvote.h" #include "dirauth/mode.h" +#include "connection_st.h" #include "port_cfg_st.h" #ifdef HAVE_SYSTEMD diff --git a/src/or/connection.c b/src/or/connection.c index 3c5330154..867c4d72d 100644 --- a/src/or/connection.c +++ b/src/or/connection.c @@ -183,6 +183,18 @@ TO_LISTENER_CONN(connection_t *c) return DOWNCAST(listener_connection_t, c); } +size_t +connection_get_inbuf_len(connection_t *conn) +{ + return conn->inbuf ? buf_datalen(conn->inbuf) : 0; +} + +size_t +connection_get_outbuf_len(connection_t *conn) +{ + return conn->outbuf ? buf_datalen(conn->outbuf) : 0; +} + /** * Return the human-readable name for the connection type type */ @@ -4835,6 +4847,20 @@ kill_conn_list_for_oos, (smartlist_t *conns)) smartlist_len(conns)); } +/** Check if a connection is on the way out so the OOS handler doesn't try + * to kill more than it needs. */ +int +connection_is_moribund(connection_t *conn) +{ + if (conn != NULL && + (conn->conn_array_index < 0 || + conn->marked_for_close)) { + return 1; + } else { + return 0; + } +} + /** Out-of-Sockets handler; n_socks is the current number of open * sockets, and failed is non-zero if a socket exhaustion related * error immediately preceded this call. This is where to do diff --git a/src/or/connection.h b/src/or/connection.h index df3388239..0ab8962b4 100644 --- a/src/or/connection.h +++ b/src/or/connection.h @@ -161,23 +161,8 @@ void connection_buf_add_compress(const char *string, size_t len, dir_connection_t *conn, int done); void connection_buf_add_buf(connection_t *conn, buf_t *buf); -/* DOCDOC connection_get_inbuf_len */ -static size_t connection_get_inbuf_len(connection_t *conn); -/* DOCDOC connection_get_outbuf_len */ -static size_t connection_get_outbuf_len(connection_t *conn); - -static inline size_t -connection_get_inbuf_len(connection_t *conn) -{ - return conn->inbuf ? buf_datalen(conn->inbuf) : 0; -} - -static inline size_t -connection_get_outbuf_len(connection_t *conn) -{ - return conn->outbuf ? buf_datalen(conn->outbuf) : 0; -} - +size_t connection_get_inbuf_len(connection_t *conn); +size_t connection_get_outbuf_len(connection_t *conn); connection_t *connection_get_by_global_id(uint64_t id); connection_t *connection_get_by_type(int type); @@ -254,20 +239,7 @@ MOCK_DECL(void, clock_skew_warning, log_domain_mask_t domain, const char *received, const char *source)); -/** Check if a connection is on the way out so the OOS handler doesn't try - * to kill more than it needs. */ -static inline int -connection_is_moribund(connection_t *conn) -{ - if (conn != NULL && - (conn->conn_array_index < 0 || - conn->marked_for_close)) { - return 1; - } else { - return 0; - } -} - +int connection_is_moribund(connection_t *conn); void connection_check_oos(int n_socks, int failed); #ifdef CONNECTION_PRIVATE diff --git a/src/or/connection_st.h b/src/or/connection_st.h new file mode 100644 index 000000000..b65238693 --- /dev/null +++ b/src/or/connection_st.h @@ -0,0 +1,132 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2017, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef CONNECTION_ST_H +#define CONNECTION_ST_H + +struct buf_t; + +/** Description of a connection to another host or process, and associated + * data. + * + * A connection is named based on what it's connected to -- an "OR + * connection" has a Tor node on the other end, an "exit + * connection" has a website or other server on the other end, and an + * "AP connection" has an application proxy (and thus a user) on the + * other end. + * + * Every connection has a type and a state. Connections never change + * their type, but can go through many state changes in their lifetime. + * + * Every connection has two associated input and output buffers. + * Listeners don't use them. For non-listener connections, incoming + * data is appended to conn->inbuf, and outgoing data is taken from + * conn->outbuf. Connections differ primarily in the functions called + * to fill and drain these buffers. + */ +typedef struct connection_t { + uint32_t magic; /**< For memory debugging: must equal one of + * *_CONNECTION_MAGIC. */ + + uint8_t state; /**< Current state of this connection. */ + unsigned int type:5; /**< What kind of connection is this? */ + unsigned int purpose:5; /**< Only used for DIR and EXIT types currently. */ + + /* The next fields are all one-bit booleans. Some are only applicable to + * connection subtypes, but we hold them here anyway, to save space. + */ + unsigned int read_blocked_on_bw:1; /**< Boolean: should we start reading + * again once the bandwidth throttler allows it? */ + unsigned int write_blocked_on_bw:1; /**< Boolean: should we start writing + * again once the bandwidth throttler allows + * writes? */ + unsigned int hold_open_until_flushed:1; /**< Despite this connection's being + * marked for close, do we flush it + * before closing it? */ + unsigned int inbuf_reached_eof:1; /**< Boolean: did read() return 0 on this + * conn? */ + /** Set to 1 when we're inside connection_flushed_some to keep us from + * calling connection_handle_write() recursively. */ + unsigned int in_flushed_some:1; + /** True if connection_handle_write is currently running on this connection. + */ + unsigned int in_connection_handle_write:1; + + /* For linked connections: + */ + unsigned int linked:1; /**< True if there is, or has been, a linked_conn. */ + /** True iff we'd like to be notified about read events from the + * linked conn. */ + unsigned int reading_from_linked_conn:1; + /** True iff we're willing to write to the linked conn. */ + unsigned int writing_to_linked_conn:1; + /** True iff we're currently able to read on the linked conn, and our + * read_event should be made active with libevent. */ + unsigned int active_on_link:1; + /** True iff we've called connection_close_immediate() on this linked + * connection. */ + unsigned int linked_conn_is_closed:1; + + /** CONNECT/SOCKS proxy client handshake state (for outgoing connections). */ + unsigned int proxy_state:4; + + /** Our socket; set to TOR_INVALID_SOCKET if this connection is closed, + * or has no socket. */ + tor_socket_t s; + int conn_array_index; /**< Index into the global connection array. */ + + struct event *read_event; /**< Libevent event structure. */ + struct event *write_event; /**< Libevent event structure. */ + struct buf_t *inbuf; /**< Buffer holding data read over this connection. */ + struct buf_t *outbuf; /**< Buffer holding data to write over this + * connection. */ + size_t outbuf_flushlen; /**< How much data should we try to flush from the + * outbuf? */ + time_t timestamp_last_read_allowed; /**< When was the last time libevent said + * we could read? */ + time_t timestamp_last_write_allowed; /**< When was the last time libevent + * said we could write? */ + + time_t timestamp_created; /**< When was this connection_t created? */ + + int socket_family; /**< Address family of this connection's socket. Usually + * AF_INET, but it can also be AF_UNIX, or AF_INET6 */ + tor_addr_t addr; /**< IP that socket "s" is directly connected to; + * may be the IP address for a proxy or pluggable transport, + * see "address" for the address of the final destination. + */ + uint16_t port; /**< If non-zero, port that socket "s" is directly connected + * to; may be the port for a proxy or pluggable transport, + * see "address" for the port at the final destination. */ + uint16_t marked_for_close; /**< Should we close this conn on the next + * iteration of the main loop? (If true, holds + * the line number where this connection was + * marked.) */ + const char *marked_for_close_file; /**< For debugging: in which file were + * we marked for close? */ + char *address; /**< FQDN (or IP) and port of the final destination for this + * connection; this is always the remote address, it is + * passed to a proxy or pluggable transport if one in use. + * See "addr" and "port" for the address that socket "s" is + * directly connected to. + * strdup into this, because free_connection() frees it. */ + /** Another connection that's connected to this one in lieu of a socket. */ + struct connection_t *linked_conn; + + /** Unique identifier for this connection on this Tor instance. */ + uint64_t global_identifier; + + /** Bytes read since last call to control_event_conn_bandwidth_used(). + * Only used if we're configured to emit CONN_BW events. */ + uint32_t n_read_conn_bw; + + /** Bytes written since last call to control_event_conn_bandwidth_used(). + * Only used if we're configured to emit CONN_BW events. */ + uint32_t n_written_conn_bw; +} connection_t; + +#endif + diff --git a/src/or/control_connection_st.h b/src/or/control_connection_st.h index 2d8efec1f..7770b54d5 100644 --- a/src/or/control_connection_st.h +++ b/src/or/control_connection_st.h @@ -8,6 +8,7 @@ #define CONTROL_CONNECTION_ST_H #include "or.h" +#include "connection_st.h" /** Subtype of connection_t for an connection to a controller. */ struct control_connection_t { diff --git a/src/or/dir_connection_st.h b/src/or/dir_connection_st.h index df1e9b551..379f787df 100644 --- a/src/or/dir_connection_st.h +++ b/src/or/dir_connection_st.h @@ -7,6 +7,8 @@ #ifndef DIR_CONNECTION_ST_H #define DIR_CONNECTION_ST_H +#include "connection_st.h" + /** Subtype of connection_t for an "directory connection" -- that is, an HTTP * connection to retrieve or serve directory material. */ struct dir_connection_t { diff --git a/src/or/edge_connection_st.h b/src/or/edge_connection_st.h index 3cffdea32..7ef56bf06 100644 --- a/src/or/edge_connection_st.h +++ b/src/or/edge_connection_st.h @@ -9,6 +9,8 @@ #include "or.h" +#include "connection_st.h" + /** Subtype of connection_t for an "edge connection" -- that is, an entry (ap) * connection, or an exit. */ struct edge_connection_t { diff --git a/src/or/include.am b/src/or/include.am index f3bbaa11c..de263e9b8 100644 --- a/src/or/include.am +++ b/src/or/include.am @@ -197,6 +197,7 @@ ORHEADERS = \ src/or/config.h \ src/or/confparse.h \ src/or/connection.h \ + src/or/connection_st.h \ src/or/connection_edge.h \ src/or/connection_or.h \ src/or/conscache.h \ diff --git a/src/or/listener_connection_st.h b/src/or/listener_connection_st.h index 67718c5a3..63588c99a 100644 --- a/src/or/listener_connection_st.h +++ b/src/or/listener_connection_st.h @@ -7,6 +7,8 @@ #ifndef LISTENER_CONNECTION_ST_H #define LISTENER_CONNECTION_ST_H +#include "connection_st.h" + /** Subtype of connection_t; used for a listener socket. */ struct listener_connection_t { connection_t base_; diff --git a/src/or/or.h b/src/or/or.h index 990f7f94e..c3506d3ff 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -1260,127 +1260,6 @@ typedef struct server_port_cfg_t server_port_cfg_t; #define CONTROL_CONNECTION_MAGIC 0x8abc765du #define LISTENER_CONNECTION_MAGIC 0x1a1ac741u -struct buf_t; - -/** Description of a connection to another host or process, and associated - * data. - * - * A connection is named based on what it's connected to -- an "OR - * connection" has a Tor node on the other end, an "exit - * connection" has a website or other server on the other end, and an - * "AP connection" has an application proxy (and thus a user) on the - * other end. - * - * Every connection has a type and a state. Connections never change - * their type, but can go through many state changes in their lifetime. - * - * Every connection has two associated input and output buffers. - * Listeners don't use them. For non-listener connections, incoming - * data is appended to conn->inbuf, and outgoing data is taken from - * conn->outbuf. Connections differ primarily in the functions called - * to fill and drain these buffers. - */ -typedef struct connection_t { - uint32_t magic; /**< For memory debugging: must equal one of - * *_CONNECTION_MAGIC. */ - - uint8_t state; /**< Current state of this connection. */ - unsigned int type:5; /**< What kind of connection is this? */ - unsigned int purpose:5; /**< Only used for DIR and EXIT types currently. */ - - /* The next fields are all one-bit booleans. Some are only applicable to - * connection subtypes, but we hold them here anyway, to save space. - */ - unsigned int read_blocked_on_bw:1; /**< Boolean: should we start reading - * again once the bandwidth throttler allows it? */ - unsigned int write_blocked_on_bw:1; /**< Boolean: should we start writing - * again once the bandwidth throttler allows - * writes? */ - unsigned int hold_open_until_flushed:1; /**< Despite this connection's being - * marked for close, do we flush it - * before closing it? */ - unsigned int inbuf_reached_eof:1; /**< Boolean: did read() return 0 on this - * conn? */ - /** Set to 1 when we're inside connection_flushed_some to keep us from - * calling connection_handle_write() recursively. */ - unsigned int in_flushed_some:1; - /** True if connection_handle_write is currently running on this connection. - */ - unsigned int in_connection_handle_write:1; - - /* For linked connections: - */ - unsigned int linked:1; /**< True if there is, or has been, a linked_conn. */ - /** True iff we'd like to be notified about read events from the - * linked conn. */ - unsigned int reading_from_linked_conn:1; - /** True iff we're willing to write to the linked conn. */ - unsigned int writing_to_linked_conn:1; - /** True iff we're currently able to read on the linked conn, and our - * read_event should be made active with libevent. */ - unsigned int active_on_link:1; - /** True iff we've called connection_close_immediate() on this linked - * connection. */ - unsigned int linked_conn_is_closed:1; - - /** CONNECT/SOCKS proxy client handshake state (for outgoing connections). */ - unsigned int proxy_state:4; - - /** Our socket; set to TOR_INVALID_SOCKET if this connection is closed, - * or has no socket. */ - tor_socket_t s; - int conn_array_index; /**< Index into the global connection array. */ - - struct event *read_event; /**< Libevent event structure. */ - struct event *write_event; /**< Libevent event structure. */ - struct buf_t *inbuf; /**< Buffer holding data read over this connection. */ - struct buf_t *outbuf; /**< Buffer holding data to write over this - * connection. */ - size_t outbuf_flushlen; /**< How much data should we try to flush from the - * outbuf? */ - time_t timestamp_last_read_allowed; /**< When was the last time libevent said - * we could read? */ - time_t timestamp_last_write_allowed; /**< When was the last time libevent - * said we could write? */ - - time_t timestamp_created; /**< When was this connection_t created? */ - - int socket_family; /**< Address family of this connection's socket. Usually - * AF_INET, but it can also be AF_UNIX, or AF_INET6 */ - tor_addr_t addr; /**< IP that socket "s" is directly connected to; - * may be the IP address for a proxy or pluggable transport, - * see "address" for the address of the final destination. - */ - uint16_t port; /**< If non-zero, port that socket "s" is directly connected - * to; may be the port for a proxy or pluggable transport, - * see "address" for the port at the final destination. */ - uint16_t marked_for_close; /**< Should we close this conn on the next - * iteration of the main loop? (If true, holds - * the line number where this connection was - * marked.) */ - const char *marked_for_close_file; /**< For debugging: in which file were - * we marked for close? */ - char *address; /**< FQDN (or IP) and port of the final destination for this - * connection; this is always the remote address, it is - * passed to a proxy or pluggable transport if one in use. - * See "addr" and "port" for the address that socket "s" is - * directly connected to. - * strdup into this, because free_connection() frees it. */ - /** Another connection that's connected to this one in lieu of a socket. */ - struct connection_t *linked_conn; - - /** Unique identifier for this connection on this Tor instance. */ - uint64_t global_identifier; - - /** Bytes read since last call to control_event_conn_bandwidth_used(). - * Only used if we're configured to emit CONN_BW events. */ - uint32_t n_read_conn_bw; - - /** Bytes written since last call to control_event_conn_bandwidth_used(). - * Only used if we're configured to emit CONN_BW events. */ - uint32_t n_written_conn_bw; -} connection_t; - /** Minimum length of the random part of an AUTH_CHALLENGE cell. */ #define OR_AUTH_CHALLENGE_LEN 32 @@ -1458,6 +1337,7 @@ typedef struct or_handshake_state_t or_handshake_state_t; * drops below this size. */ #define OR_CONN_LOWWATER (16*1024) +typedef struct connection_t connection_t; typedef struct control_connection_t control_connection_t; typedef struct dir_connection_t dir_connection_t; typedef struct edge_connection_t edge_connection_t; diff --git a/src/or/or_connection_st.h b/src/or/or_connection_st.h index bccfd18f6..dd775bc8a 100644 --- a/src/or/or_connection_st.h +++ b/src/or/or_connection_st.h @@ -7,6 +7,8 @@ #ifndef OR_CONNECTION_ST_H #define OR_CONNECTION_ST_H +#include "connection_st.h" + /** Subtype of connection_t for an "OR connection" -- that is, one that speaks * cells over TLS. */ struct or_connection_t { diff --git a/src/test/test_helpers.c b/src/test/test_helpers.c index 1db5e9064..86aeabb7c 100644 --- a/src/test/test_helpers.c +++ b/src/test/test_helpers.c @@ -24,6 +24,8 @@ #include "relay.h" #include "routerlist.h" +#include "connection_st.h" + #include "test.h" #include "test_helpers.h" #include "test_connection.h"

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[tor/master] Extract {or, origin}_circuit_t into their own headers
by nickm＠torproject.org 18 Jun '18

18 Jun '18

commit a0bc164af57a3e5828cfc4fdefb9b2191af79ce9 Author: Nick Mathewson <nickm(a)torproject.org> Date: Fri Jun 15 11:34:33 2018 -0400 Extract {or,origin}_circuit_t into their own headers --- src/or/circpathbias.c | 2 + src/or/circuitbuild.c | 2 + src/or/circuitlist.c | 27 ++++ src/or/circuitlist.h | 9 ++ src/or/circuitmux.c | 2 + src/or/circuitstats.c | 2 + src/or/circuituse.c | 2 + src/or/command.c | 3 + src/or/connection_edge.c | 2 + src/or/control.c | 2 + src/or/cpuworker.c | 2 + src/or/directory.h | 1 + src/or/dns.c | 1 + src/or/entrynodes.c | 2 + src/or/hs_cell.c | 2 + src/or/hs_circuit.c | 2 + src/or/hs_circuitmap.c | 3 + src/or/hs_client.c | 1 + src/or/hs_common.c | 1 + src/or/hs_intropoint.c | 2 + src/or/hs_service.c | 1 + src/or/include.am | 2 + src/or/onion.c | 2 + src/or/or.h | 316 +------------------------------------- src/or/or_circuit_st.h | 77 ++++++++++ src/or/origin_circuit_st.h | 233 ++++++++++++++++++++++++++++ src/or/relay.c | 2 + src/or/relay_crypto.c | 4 + src/or/rendclient.c | 1 + src/or/rendcommon.c | 3 + src/or/rendmid.c | 2 + src/or/rendservice.c | 1 + src/or/rephist.c | 2 + src/or/router.c | 1 + src/test/bench.c | 2 + src/test/test.c | 2 + src/test/test_cell_queue.c | 3 + src/test/test_channel.c | 2 + src/test/test_circuitlist.c | 3 + src/test/test_circuitstats.c | 2 + src/test/test_circuituse.c | 2 + src/test/test_controller_events.c | 3 + src/test/test_dns.c | 1 + src/test/test_entrynodes.c | 1 + src/test/test_helpers.c | 1 + src/test/test_hs_client.c | 1 + src/test/test_hs_intropoint.c | 2 + src/test/test_hs_service.c | 2 + src/test/test_oom.c | 2 + src/test/test_relay.c | 2 + src/test/test_relaycell.c | 1 + src/test/test_relaycrypt.c | 4 + src/test/test_status.c | 3 + 53 files changed, 443 insertions(+), 313 deletions(-) diff --git a/src/or/circpathbias.c b/src/or/circpathbias.c index ff42bf91e..f139c6d7e 100644 --- a/src/or/circpathbias.c +++ b/src/or/circpathbias.c @@ -35,6 +35,8 @@ #include "networkstatus.h" #include "relay.h" +#include "origin_circuit_st.h" + static void pathbias_count_successful_close(origin_circuit_t *circ); static void pathbias_count_collapse(origin_circuit_t *circ); static void pathbias_count_use_failed(origin_circuit_t *circ); diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c index 883f93074..c5d1c65f5 100644 --- a/src/or/circuitbuild.c +++ b/src/or/circuitbuild.c @@ -66,6 +66,8 @@ #include "transports.h" #include "entry_connection_st.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" static channel_t * channel_connect_for_circuit(const tor_addr_t *addr, uint16_t port, diff --git a/src/or/circuitlist.c b/src/or/circuitlist.c index 1a3f3a229..7601bc613 100644 --- a/src/or/circuitlist.c +++ b/src/or/circuitlist.c @@ -94,6 +94,8 @@ #include "dir_connection_st.h" #include "edge_connection_st.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" /********* START VARIABLES **********/ @@ -130,6 +132,31 @@ static int any_opened_circs_cached_val = 0; /********* END VARIABLES ************/ +or_circuit_t * +TO_OR_CIRCUIT(circuit_t *x) +{ + tor_assert(x->magic == OR_CIRCUIT_MAGIC); + return DOWNCAST(or_circuit_t, x); +} +const or_circuit_t * +CONST_TO_OR_CIRCUIT(const circuit_t *x) +{ + tor_assert(x->magic == OR_CIRCUIT_MAGIC); + return DOWNCAST(or_circuit_t, x); +} +origin_circuit_t * +TO_ORIGIN_CIRCUIT(circuit_t *x) +{ + tor_assert(x->magic == ORIGIN_CIRCUIT_MAGIC); + return DOWNCAST(origin_circuit_t, x); +} +const origin_circuit_t * +CONST_TO_ORIGIN_CIRCUIT(const circuit_t *x) +{ + tor_assert(x->magic == ORIGIN_CIRCUIT_MAGIC); + return DOWNCAST(origin_circuit_t, x); +} + /** A map from channel and circuit ID to circuit. (Lookup performance is * very important here, since we need to do it every time a cell arrives.) */ typedef struct chan_circid_circuit_map_t { diff --git a/src/or/circuitlist.h b/src/or/circuitlist.h index 246f0c881..8eb6fefbf 100644 --- a/src/or/circuitlist.h +++ b/src/or/circuitlist.h @@ -15,6 +15,15 @@ #include "testsupport.h" #include "hs_ident.h" +/** Convert a circuit_t* to a pointer to the enclosing or_circuit_t. Assert + * if the cast is impossible. */ +or_circuit_t *TO_OR_CIRCUIT(circuit_t *); +const or_circuit_t *CONST_TO_OR_CIRCUIT(const circuit_t *); +/** Convert a circuit_t* to a pointer to the enclosing origin_circuit_t. + * Assert if the cast is impossible. */ +origin_circuit_t *TO_ORIGIN_CIRCUIT(circuit_t *); +const origin_circuit_t *CONST_TO_ORIGIN_CIRCUIT(const circuit_t *); + MOCK_DECL(smartlist_t *, circuit_get_global_list, (void)); smartlist_t *circuit_get_global_origin_circuit_list(void); int circuit_any_opened_circuits(void); diff --git a/src/or/circuitmux.c b/src/or/circuitmux.c index f9f5faa05..5f7f002f4 100644 --- a/src/or/circuitmux.c +++ b/src/or/circuitmux.c @@ -75,6 +75,8 @@ #include "circuitmux.h" #include "relay.h" +#include "or_circuit_st.h" + /* * Private typedefs for circuitmux.c */ diff --git a/src/or/circuitstats.c b/src/or/circuitstats.c index 94f75c590..bff553a02 100644 --- a/src/or/circuitstats.c +++ b/src/or/circuitstats.c @@ -41,6 +41,8 @@ #include "circuitlist.h" #include "circuituse.h" +#include "origin_circuit_st.h" + #undef log #include <math.h> diff --git a/src/or/circuituse.c b/src/or/circuituse.c index 45eeff433..3a18c3403 100644 --- a/src/or/circuituse.c +++ b/src/or/circuituse.c @@ -59,6 +59,8 @@ #include "dir_connection_st.h" #include "entry_connection_st.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" static void circuit_expire_old_circuits_clientside(void); static void circuit_increment_failure_count(void); diff --git a/src/or/command.c b/src/or/command.c index 39950f41b..148578a26 100644 --- a/src/or/command.c +++ b/src/or/command.c @@ -56,6 +56,9 @@ #include "router.h" #include "routerlist.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" + /** How many CELL_CREATE cells have we received, ever? */ uint64_t stats_n_create_cells_processed = 0; /** How many CELL_CREATED cells have we received, ever? */ diff --git a/src/or/connection_edge.c b/src/or/connection_edge.c index 1ba61609b..b972724a8 100644 --- a/src/or/connection_edge.c +++ b/src/or/connection_edge.c @@ -99,6 +99,8 @@ #include "dir_connection_st.h" #include "entry_connection_st.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" #ifdef HAVE_LINUX_TYPES_H #include <linux/types.h> diff --git a/src/or/control.c b/src/or/control.c index 45914f0c1..183778801 100644 --- a/src/or/control.c +++ b/src/or/control.c @@ -84,6 +84,8 @@ #include "control_connection_st.h" #include "entry_connection_st.h" #include "or_connection_st.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" #ifndef _WIN32 #include <pwd.h> diff --git a/src/or/cpuworker.c b/src/or/cpuworker.c index 15ef6869c..ad66268c3 100644 --- a/src/or/cpuworker.c +++ b/src/or/cpuworker.c @@ -32,6 +32,8 @@ #include "router.h" #include "workqueue.h" +#include "or_circuit_st.h" + static void queue_pending_tasks(void); typedef struct worker_state_s { diff --git a/src/or/directory.h b/src/or/directory.h index e94c02b6c..8823de4d9 100644 --- a/src/or/directory.h +++ b/src/or/directory.h @@ -61,6 +61,7 @@ void directory_request_set_dir_addr_port(directory_request_t *req, const tor_addr_port_t *p); void directory_request_set_directory_id_digest(directory_request_t *req, const char *digest); +struct circuit_guard_state_t; void directory_request_set_guard_state(directory_request_t *req, struct circuit_guard_state_t *state); void directory_request_set_router_purpose(directory_request_t *req, diff --git a/src/or/dns.c b/src/or/dns.c index 422751553..defc86bc9 100644 --- a/src/or/dns.c +++ b/src/or/dns.c @@ -66,6 +66,7 @@ #include "sandbox.h" #include "edge_connection_st.h" +#include "or_circuit_st.h" #include <event2/event.h> #include <event2/dns.h> diff --git a/src/or/entrynodes.c b/src/or/entrynodes.c index 27d760f1a..8aac07451 100644 --- a/src/or/entrynodes.c +++ b/src/or/entrynodes.c @@ -139,6 +139,8 @@ #include "transports.h" #include "statefile.h" +#include "origin_circuit_st.h" + /** A list of existing guard selection contexts. */ static smartlist_t *guard_contexts = NULL; /** The currently enabled guard selection context. */ diff --git a/src/or/hs_cell.c b/src/or/hs_cell.c index 03273a44f..f5ed3df57 100644 --- a/src/or/hs_cell.c +++ b/src/or/hs_cell.c @@ -16,6 +16,8 @@ #include "hs_cell.h" #include "hs_ntor.h" +#include "origin_circuit_st.h" + /* Trunnel. */ #include "ed25519_cert.h" #include "hs/cell_common.h" diff --git a/src/or/hs_circuit.c b/src/or/hs_circuit.c index a35d2af8b..189ebdc1b 100644 --- a/src/or/hs_circuit.c +++ b/src/or/hs_circuit.c @@ -33,6 +33,8 @@ #include "hs/cell_common.h" #include "hs/cell_establish_intro.h" +#include "origin_circuit_st.h" + /* A circuit is about to become an e2e rendezvous circuit. Check * circ_purpose and ensure that it's properly set. Return true iff * circuit purpose is properly set, otherwise return false. */ diff --git a/src/or/hs_circuitmap.c b/src/or/hs_circuitmap.c index 112c8bdce..fd0a01f8b 100644 --- a/src/or/hs_circuitmap.c +++ b/src/or/hs_circuitmap.c @@ -18,6 +18,9 @@ #include "circuitlist.h" #include "hs_circuitmap.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" + /************************** HS circuitmap code *******************************/ /* This is the hidden service circuitmap. It's a hash table that maps diff --git a/src/or/hs_client.c b/src/or/hs_client.c index ff84296d0..c4db60e52 100644 --- a/src/or/hs_client.c +++ b/src/or/hs_client.c @@ -37,6 +37,7 @@ #include "dir_connection_st.h" #include "entry_connection_st.h" +#include "origin_circuit_st.h" /* Return a human-readable string for the client fetch status code. */ static const char * diff --git a/src/or/hs_common.c b/src/or/hs_common.c index 33c09b53f..afe80467a 100644 --- a/src/or/hs_common.c +++ b/src/or/hs_common.c @@ -34,6 +34,7 @@ #include "dirauth/shared_random_state.h" #include "edge_connection_st.h" +#include "origin_circuit_st.h" /* Trunnel */ #include "ed25519_cert.h" diff --git a/src/or/hs_intropoint.c b/src/or/hs_intropoint.c index 3274e8e9c..58416fbe9 100644 --- a/src/or/hs_intropoint.c +++ b/src/or/hs_intropoint.c @@ -27,6 +27,8 @@ #include "hs_intropoint.h" #include "hs_common.h" +#include "or_circuit_st.h" + /** Extract the authentication key from an ESTABLISH_INTRO or INTRODUCE1 using * the given cell_type from cell and place it in * auth_key_out. */ diff --git a/src/or/hs_service.c b/src/or/hs_service.c index 9f12484eb..6c2c16734 100644 --- a/src/or/hs_service.c +++ b/src/or/hs_service.c @@ -41,6 +41,7 @@ #include "dir_connection_st.h" #include "edge_connection_st.h" +#include "origin_circuit_st.h" /* Trunnel */ #include "ed25519_cert.h" diff --git a/src/or/include.am b/src/or/include.am index de263e9b8..eb8b52e93 100644 --- a/src/or/include.am +++ b/src/or/include.am @@ -250,9 +250,11 @@ ORHEADERS = \ src/or/onion_ntor.h \ src/or/onion_tap.h \ src/or/or.h \ + src/or/or_circuit_st.h \ src/or/or_connection_st.h \ src/or/or_handshake_certs_st.h \ src/or/or_handshake_state_st.h \ + src/or/origin_circuit_st.h \ src/or/transports.h \ src/or/parsecommon.h \ src/or/periodic.h \ diff --git a/src/or/onion.c b/src/or/onion.c index 829be12ba..813ad265e 100644 --- a/src/or/onion.c +++ b/src/or/onion.c @@ -77,6 +77,8 @@ #include "rephist.h" #include "router.h" +#include "or_circuit_st.h" + // trunnel #include "ed25519_cert.h" diff --git a/src/or/or.h b/src/or/or.h index c3506d3ff..61987d825 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -2561,6 +2561,9 @@ typedef struct circuit_t { HT_ENTRY(circuit_t) hs_circuitmap_node; } circuit_t; +typedef struct origin_circuit_t origin_circuit_t; +typedef struct or_circuit_t or_circuit_t; + /** Largest number of relay_early cells that we can send on a given * circuit. */ #define MAX_RELAY_EARLY_CELLS_PER_CIRCUIT 8 @@ -2622,288 +2625,6 @@ typedef enum { } path_state_t; #define path_state_bitfield_t ENUM_BF(path_state_t) -/** An origin_circuit_t holds data necessary to build and use a circuit. - */ -typedef struct origin_circuit_t { - circuit_t base_; - - /** Linked list of AP streams (or EXIT streams if hidden service) - * associated with this circuit. */ - edge_connection_t *p_streams; - - /** Bytes read on this circuit since last call to - * control_event_circ_bandwidth_used(). Only used if we're configured - * to emit CIRC_BW events. */ - uint32_t n_read_circ_bw; - - /** Bytes written to on this circuit since last call to - * control_event_circ_bandwidth_used(). Only used if we're configured - * to emit CIRC_BW events. */ - uint32_t n_written_circ_bw; - - /** Total known-valid relay cell bytes since last call to - * control_event_circ_bandwidth_used(). Only used if we're configured - * to emit CIRC_BW events. */ - uint32_t n_delivered_read_circ_bw; - - /** Total written relay cell bytes since last call to - * control_event_circ_bandwidth_used(). Only used if we're configured - * to emit CIRC_BW events. */ - uint32_t n_delivered_written_circ_bw; - - /** Total overhead data in all known-valid relay data cells since last - * call to control_event_circ_bandwidth_used(). Only used if we're - * configured to emit CIRC_BW events. */ - uint32_t n_overhead_read_circ_bw; - - /** Total written overhead data in all relay data cells since last call to - * control_event_circ_bandwidth_used(). Only used if we're configured - * to emit CIRC_BW events. */ - uint32_t n_overhead_written_circ_bw; - - /** Build state for this circuit. It includes the intended path - * length, the chosen exit router, rendezvous information, etc. - */ - cpath_build_state_t *build_state; - /** The doubly-linked list of crypt_path_t entries, one per hop, - * for this circuit. This includes ciphers for each hop, - * integrity-checking digests for each hop, and package/delivery - * windows for each hop. - */ - crypt_path_t *cpath; - - /** Holds all rendezvous data on either client or service side. */ - rend_data_t *rend_data; - - /** Holds hidden service identifier on either client or service side. This - * is for both introduction and rendezvous circuit. */ - struct hs_ident_circuit_t *hs_ident; - - /** Holds the data that the entry guard system uses to track the - * status of the guard this circuit is using, and thereby to determine - * whether this circuit can be used. */ - struct circuit_guard_state_t *guard_state; - - /** Index into global_origin_circuit_list for this circuit. -1 if not - * present. */ - int global_origin_circuit_list_idx; - - /** How many more relay_early cells can we send on this circuit, according - * to the specification? */ - unsigned int remaining_relay_early_cells : 4; - - /** Set if this circuit is insanely old and we already informed the user */ - unsigned int is_ancient : 1; - - /** Set if this circuit has already been opened. Used to detect - * cannibalized circuits. */ - unsigned int has_opened : 1; - - /** - * Path bias state machine. Used to ensure integrity of our - * circuit building and usage accounting. See path_state_t - * for more details. - */ - path_state_bitfield_t path_state : 3; - - /* If this flag is set, we should not consider attaching any more - * connections to this circuit. */ - unsigned int unusable_for_new_conns : 1; - - /** - * Tristate variable to guard against pathbias miscounting - * due to circuit purpose transitions changing the decision - * of pathbias_should_count(). This variable is informational - * only. The current results of pathbias_should_count() are - * the official decision for pathbias accounting. - */ - uint8_t pathbias_shouldcount; -#define PATHBIAS_SHOULDCOUNT_UNDECIDED 0 -#define PATHBIAS_SHOULDCOUNT_IGNORED 1 -#define PATHBIAS_SHOULDCOUNT_COUNTED 2 - - /** For path probing. Store the temporary probe stream ID - * for response comparison */ - streamid_t pathbias_probe_id; - - /** For path probing. Store the temporary probe address nonce - * (in host byte order) for response comparison. */ - uint32_t pathbias_probe_nonce; - - /** Set iff this is a hidden-service circuit which has timed out - * according to our current circuit-build timeout, but which has - * been kept around because it might still succeed in connecting to - * its destination, and which is not a fully-connected rendezvous - * circuit. - * - * (We clear this flag for client-side rendezvous circuits when they - * are 'joined' to the other side's rendezvous circuit, so that - * connection_ap_handshake_attach_circuit can put client streams on - * the circuit. We also clear this flag for service-side rendezvous - * circuits when they are 'joined' to a client's rend circ, but only - * for symmetry with the client case. Client-side introduction - * circuits are closed when we get a joined rend circ, and - * service-side introduction circuits never have this flag set.) */ - unsigned int hs_circ_has_timed_out : 1; - - /** Set iff this circuit has been given a relaxed timeout because - * no circuits have opened. Used to prevent spamming logs. */ - unsigned int relaxed_timeout : 1; - - /** Set iff this is a service-side rendezvous circuit for which a - * new connection attempt has been launched. We consider launching - * a new service-side rend circ to a client when the previous one - * fails; now that we don't necessarily close a service-side rend - * circ when we launch a new one to the same client, this flag keeps - * us from launching two retries for the same failed rend circ. */ - unsigned int hs_service_side_rend_circ_has_been_relaunched : 1; - - /** What commands were sent over this circuit that decremented the - * RELAY_EARLY counter? This is for debugging task 878. */ - uint8_t relay_early_commands[MAX_RELAY_EARLY_CELLS_PER_CIRCUIT]; - - /** How many RELAY_EARLY cells have been sent over this circuit? This is - * for debugging task 878, too. */ - int relay_early_cells_sent; - - /** The next stream_id that will be tried when we're attempting to - * construct a new AP stream originating at this circuit. */ - streamid_t next_stream_id; - - /* The intro key replaces the hidden service's public key if purpose is - * S_ESTABLISH_INTRO or S_INTRO, provided that no unversioned rendezvous - * descriptor is used. */ - crypto_pk_t *intro_key; - - /** Quasi-global identifier for this circuit; used for control.c */ - /* XXXX NM This can get re-used after 2**32 circuits. */ - uint32_t global_identifier; - - /** True if we have associated one stream to this circuit, thereby setting - * the isolation parameters for this circuit. Note that this doesn't - * necessarily mean that we've attached any streams to the circuit: - * we may only have marked up this circuit during the launch process. - */ - unsigned int isolation_values_set : 1; - /** True iff any stream has ever been attached to this circuit. - * - * In a better world we could use timestamp_dirty for this, but - * timestamp_dirty is far too overloaded at the moment. - */ - unsigned int isolation_any_streams_attached : 1; - - /** A bitfield of ISO_* flags for every isolation field such that this - * circuit has had streams with more than one value for that field - * attached to it. */ - uint8_t isolation_flags_mixed; - - /** @name Isolation parameters - * - * If any streams have been associated with this circ (isolation_values_set - * == 1), and all streams associated with the circuit have had the same - * value for some field ((isolation_flags_mixed & ISO_FOO) == 0), then these - * elements hold the value for that field. - * - * Note again that "associated" is not the same as "attached": we - * preliminarily associate streams with a circuit while the circuit is being - * launched, so that we can tell whether we need to launch more circuits. - * - * @{ - */ - uint8_t client_proto_type; - uint8_t client_proto_socksver; - uint16_t dest_port; - tor_addr_t client_addr; - char *dest_address; - int session_group; - unsigned nym_epoch; - size_t socks_username_len; - uint8_t socks_password_len; - /* Note that the next two values are NOT NUL-terminated; see - socks_username_len and socks_password_len for their lengths. */ - char *socks_username; - char *socks_password; - /** Global identifier for the first stream attached here; used by - * ISO_STREAM. */ - uint64_t associated_isolated_stream_global_id; - /**@}*/ - /** A list of addr_policy_t for this circuit in particular. Used by - * adjust_exit_policy_from_exitpolicy_failure. - */ - smartlist_t *prepend_policy; - - /** How long do we wait before closing this circuit if it remains - * completely idle after it was built, in seconds? This value - * is randomized on a per-circuit basis from CircuitsAvailableTimoeut - * to 2*CircuitsAvailableTimoeut. */ - int circuit_idle_timeout; - -} origin_circuit_t; - -struct onion_queue_t; - -/** An or_circuit_t holds information needed to implement a circuit at an - * OR. */ -typedef struct or_circuit_t { - circuit_t base_; - - /** Pointer to an entry on the onion queue, if this circuit is waiting for a - * chance to give an onionskin to a cpuworker. Used only in onion.c */ - struct onion_queue_t *onionqueue_entry; - /** Pointer to a workqueue entry, if this circuit has given an onionskin to - * a cpuworker and is waiting for a response. Used to decide whether it is - * safe to free a circuit or if it is still in use by a cpuworker. */ - struct workqueue_entry_s *workqueue_entry; - - /** The circuit_id used in the previous (backward) hop of this circuit. */ - circid_t p_circ_id; - /** Queue of cells waiting to be transmitted on p_conn. */ - cell_queue_t p_chan_cells; - /** The channel that is previous in this circuit. */ - channel_t *p_chan; - /** - * Circuit mux associated with p_chan to which this circuit is attached; - * NULL if we have no p_chan. - */ - circuitmux_t *p_mux; - /** Linked list of Exit streams associated with this circuit. */ - edge_connection_t *n_streams; - /** Linked list of Exit streams associated with this circuit that are - * still being resolved. */ - edge_connection_t *resolving_streams; - - /** Cryptographic state used for encrypting and authenticating relay - * cells to and from this hop. */ - relay_crypto_t crypto; - - /** Points to spliced circuit if purpose is REND_ESTABLISHED, and circuit - * is not marked for close. */ - struct or_circuit_t *rend_splice; - - /** Stores KH for the handshake. */ - char rend_circ_nonce[DIGEST_LEN];/* KH in tor-spec.txt */ - - /** How many more relay_early cells can we send on this circuit, according - * to the specification? */ - unsigned int remaining_relay_early_cells : 4; - - /* We have already received an INTRODUCE1 cell on this circuit. */ - unsigned int already_received_introduce1 : 1; - - /** If set, this circuit carries HS traffic. Consider it in any HS - * statistics. */ - unsigned int circuit_carries_hs_traffic_stats : 1; - - /** Number of cells that were removed from circuit queue; reset every - * time when writing buffer stats to disk. */ - uint32_t processed_cells; - - /** Total time in milliseconds that cells spent in both app-ward and - * exit-ward queues of this circuit; reset every time when writing - * buffer stats to disk. */ - uint64_t total_cell_waiting_time; -} or_circuit_t; - #if REND_COOKIE_LEN != DIGEST_LEN #error "The REND_TOKEN_LEN macro assumes REND_COOKIE_LEN == DIGEST_LEN" #endif @@ -2912,15 +2633,6 @@ typedef struct or_circuit_t { /** Convert a circuit subtype to a circuit_t. */ #define TO_CIRCUIT(x) (&((x)->base_)) -/** Convert a circuit_t* to a pointer to the enclosing or_circuit_t. Assert - * if the cast is impossible. */ -static or_circuit_t *TO_OR_CIRCUIT(circuit_t *); -static const or_circuit_t *CONST_TO_OR_CIRCUIT(const circuit_t *); -/** Convert a circuit_t* to a pointer to the enclosing origin_circuit_t. - * Assert if the cast is impossible. */ -static origin_circuit_t *TO_ORIGIN_CIRCUIT(circuit_t *); -static const origin_circuit_t *CONST_TO_ORIGIN_CIRCUIT(const circuit_t *); - /** Return 1 iff node has Exit flag and no BadExit flag. * Otherwise, return 0. */ @@ -2929,28 +2641,6 @@ static inline int node_is_good_exit(const node_t *node) return node->is_exit && ! node->is_bad_exit; } -static inline or_circuit_t *TO_OR_CIRCUIT(circuit_t *x) -{ - tor_assert(x->magic == OR_CIRCUIT_MAGIC); - return DOWNCAST(or_circuit_t, x); -} -static inline const or_circuit_t *CONST_TO_OR_CIRCUIT(const circuit_t *x) -{ - tor_assert(x->magic == OR_CIRCUIT_MAGIC); - return DOWNCAST(or_circuit_t, x); -} -static inline origin_circuit_t *TO_ORIGIN_CIRCUIT(circuit_t *x) -{ - tor_assert(x->magic == ORIGIN_CIRCUIT_MAGIC); - return DOWNCAST(origin_circuit_t, x); -} -static inline const origin_circuit_t *CONST_TO_ORIGIN_CIRCUIT( - const circuit_t *x) -{ - tor_assert(x->magic == ORIGIN_CIRCUIT_MAGIC); - return DOWNCAST(origin_circuit_t, x); -} - /* limits for TCP send and recv buffer size used for constrained sockets */ #define MIN_CONSTRAINED_TCP_BUFFER 2048 #define MAX_CONSTRAINED_TCP_BUFFER 262144 /* 256k */ diff --git a/src/or/or_circuit_st.h b/src/or/or_circuit_st.h new file mode 100644 index 000000000..19c39f8e6 --- /dev/null +++ b/src/or/or_circuit_st.h @@ -0,0 +1,77 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2017, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef OR_CIRCUIT_ST_H +#define OR_CIRCUIT_ST_H + +#include "or.h" + +struct onion_queue_t; + +/** An or_circuit_t holds information needed to implement a circuit at an + * OR. */ +struct or_circuit_t { + circuit_t base_; + + /** Pointer to an entry on the onion queue, if this circuit is waiting for a + * chance to give an onionskin to a cpuworker. Used only in onion.c */ + struct onion_queue_t *onionqueue_entry; + /** Pointer to a workqueue entry, if this circuit has given an onionskin to + * a cpuworker and is waiting for a response. Used to decide whether it is + * safe to free a circuit or if it is still in use by a cpuworker. */ + struct workqueue_entry_s *workqueue_entry; + + /** The circuit_id used in the previous (backward) hop of this circuit. */ + circid_t p_circ_id; + /** Queue of cells waiting to be transmitted on p_conn. */ + cell_queue_t p_chan_cells; + /** The channel that is previous in this circuit. */ + channel_t *p_chan; + /** + * Circuit mux associated with p_chan to which this circuit is attached; + * NULL if we have no p_chan. + */ + circuitmux_t *p_mux; + /** Linked list of Exit streams associated with this circuit. */ + edge_connection_t *n_streams; + /** Linked list of Exit streams associated with this circuit that are + * still being resolved. */ + edge_connection_t *resolving_streams; + + /** Cryptographic state used for encrypting and authenticating relay + * cells to and from this hop. */ + relay_crypto_t crypto; + + /** Points to spliced circuit if purpose is REND_ESTABLISHED, and circuit + * is not marked for close. */ + struct or_circuit_t *rend_splice; + + /** Stores KH for the handshake. */ + char rend_circ_nonce[DIGEST_LEN];/* KH in tor-spec.txt */ + + /** How many more relay_early cells can we send on this circuit, according + * to the specification? */ + unsigned int remaining_relay_early_cells : 4; + + /* We have already received an INTRODUCE1 cell on this circuit. */ + unsigned int already_received_introduce1 : 1; + + /** If set, this circuit carries HS traffic. Consider it in any HS + * statistics. */ + unsigned int circuit_carries_hs_traffic_stats : 1; + + /** Number of cells that were removed from circuit queue; reset every + * time when writing buffer stats to disk. */ + uint32_t processed_cells; + + /** Total time in milliseconds that cells spent in both app-ward and + * exit-ward queues of this circuit; reset every time when writing + * buffer stats to disk. */ + uint64_t total_cell_waiting_time; +}; + +#endif + diff --git a/src/or/origin_circuit_st.h b/src/or/origin_circuit_st.h new file mode 100644 index 000000000..e995776c2 --- /dev/null +++ b/src/or/origin_circuit_st.h @@ -0,0 +1,233 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2017, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef ORIGIN_CIRCUIT_ST_H +#define ORIGIN_CIRCUIT_ST_H + +#include "or.h" + +struct onion_queue_t; + +/** An origin_circuit_t holds data necessary to build and use a circuit. + */ +struct origin_circuit_t { + circuit_t base_; + + /** Linked list of AP streams (or EXIT streams if hidden service) + * associated with this circuit. */ + edge_connection_t *p_streams; + + /** Bytes read on this circuit since last call to + * control_event_circ_bandwidth_used(). Only used if we're configured + * to emit CIRC_BW events. */ + uint32_t n_read_circ_bw; + + /** Bytes written to on this circuit since last call to + * control_event_circ_bandwidth_used(). Only used if we're configured + * to emit CIRC_BW events. */ + uint32_t n_written_circ_bw; + + /** Total known-valid relay cell bytes since last call to + * control_event_circ_bandwidth_used(). Only used if we're configured + * to emit CIRC_BW events. */ + uint32_t n_delivered_read_circ_bw; + + /** Total written relay cell bytes since last call to + * control_event_circ_bandwidth_used(). Only used if we're configured + * to emit CIRC_BW events. */ + uint32_t n_delivered_written_circ_bw; + + /** Total overhead data in all known-valid relay data cells since last + * call to control_event_circ_bandwidth_used(). Only used if we're + * configured to emit CIRC_BW events. */ + uint32_t n_overhead_read_circ_bw; + + /** Total written overhead data in all relay data cells since last call to + * control_event_circ_bandwidth_used(). Only used if we're configured + * to emit CIRC_BW events. */ + uint32_t n_overhead_written_circ_bw; + + /** Build state for this circuit. It includes the intended path + * length, the chosen exit router, rendezvous information, etc. + */ + cpath_build_state_t *build_state; + /** The doubly-linked list of crypt_path_t entries, one per hop, + * for this circuit. This includes ciphers for each hop, + * integrity-checking digests for each hop, and package/delivery + * windows for each hop. + */ + crypt_path_t *cpath; + + /** Holds all rendezvous data on either client or service side. */ + rend_data_t *rend_data; + + /** Holds hidden service identifier on either client or service side. This + * is for both introduction and rendezvous circuit. */ + struct hs_ident_circuit_t *hs_ident; + + /** Holds the data that the entry guard system uses to track the + * status of the guard this circuit is using, and thereby to determine + * whether this circuit can be used. */ + struct circuit_guard_state_t *guard_state; + + /** Index into global_origin_circuit_list for this circuit. -1 if not + * present. */ + int global_origin_circuit_list_idx; + + /** How many more relay_early cells can we send on this circuit, according + * to the specification? */ + unsigned int remaining_relay_early_cells : 4; + + /** Set if this circuit is insanely old and we already informed the user */ + unsigned int is_ancient : 1; + + /** Set if this circuit has already been opened. Used to detect + * cannibalized circuits. */ + unsigned int has_opened : 1; + + /** + * Path bias state machine. Used to ensure integrity of our + * circuit building and usage accounting. See path_state_t + * for more details. + */ + path_state_bitfield_t path_state : 3; + + /* If this flag is set, we should not consider attaching any more + * connections to this circuit. */ + unsigned int unusable_for_new_conns : 1; + + /** + * Tristate variable to guard against pathbias miscounting + * due to circuit purpose transitions changing the decision + * of pathbias_should_count(). This variable is informational + * only. The current results of pathbias_should_count() are + * the official decision for pathbias accounting. + */ + uint8_t pathbias_shouldcount; +#define PATHBIAS_SHOULDCOUNT_UNDECIDED 0 +#define PATHBIAS_SHOULDCOUNT_IGNORED 1 +#define PATHBIAS_SHOULDCOUNT_COUNTED 2 + + /** For path probing. Store the temporary probe stream ID + * for response comparison */ + streamid_t pathbias_probe_id; + + /** For path probing. Store the temporary probe address nonce + * (in host byte order) for response comparison. */ + uint32_t pathbias_probe_nonce; + + /** Set iff this is a hidden-service circuit which has timed out + * according to our current circuit-build timeout, but which has + * been kept around because it might still succeed in connecting to + * its destination, and which is not a fully-connected rendezvous + * circuit. + * + * (We clear this flag for client-side rendezvous circuits when they + * are 'joined' to the other side's rendezvous circuit, so that + * connection_ap_handshake_attach_circuit can put client streams on + * the circuit. We also clear this flag for service-side rendezvous + * circuits when they are 'joined' to a client's rend circ, but only + * for symmetry with the client case. Client-side introduction + * circuits are closed when we get a joined rend circ, and + * service-side introduction circuits never have this flag set.) */ + unsigned int hs_circ_has_timed_out : 1; + + /** Set iff this circuit has been given a relaxed timeout because + * no circuits have opened. Used to prevent spamming logs. */ + unsigned int relaxed_timeout : 1; + + /** Set iff this is a service-side rendezvous circuit for which a + * new connection attempt has been launched. We consider launching + * a new service-side rend circ to a client when the previous one + * fails; now that we don't necessarily close a service-side rend + * circ when we launch a new one to the same client, this flag keeps + * us from launching two retries for the same failed rend circ. */ + unsigned int hs_service_side_rend_circ_has_been_relaunched : 1; + + /** What commands were sent over this circuit that decremented the + * RELAY_EARLY counter? This is for debugging task 878. */ + uint8_t relay_early_commands[MAX_RELAY_EARLY_CELLS_PER_CIRCUIT]; + + /** How many RELAY_EARLY cells have been sent over this circuit? This is + * for debugging task 878, too. */ + int relay_early_cells_sent; + + /** The next stream_id that will be tried when we're attempting to + * construct a new AP stream originating at this circuit. */ + streamid_t next_stream_id; + + /* The intro key replaces the hidden service's public key if purpose is + * S_ESTABLISH_INTRO or S_INTRO, provided that no unversioned rendezvous + * descriptor is used. */ + crypto_pk_t *intro_key; + + /** Quasi-global identifier for this circuit; used for control.c */ + /* XXXX NM This can get re-used after 2**32 circuits. */ + uint32_t global_identifier; + + /** True if we have associated one stream to this circuit, thereby setting + * the isolation parameters for this circuit. Note that this doesn't + * necessarily mean that we've attached any streams to the circuit: + * we may only have marked up this circuit during the launch process. + */ + unsigned int isolation_values_set : 1; + /** True iff any stream has ever been attached to this circuit. + * + * In a better world we could use timestamp_dirty for this, but + * timestamp_dirty is far too overloaded at the moment. + */ + unsigned int isolation_any_streams_attached : 1; + + /** A bitfield of ISO_* flags for every isolation field such that this + * circuit has had streams with more than one value for that field + * attached to it. */ + uint8_t isolation_flags_mixed; + + /** @name Isolation parameters + * + * If any streams have been associated with this circ (isolation_values_set + * == 1), and all streams associated with the circuit have had the same + * value for some field ((isolation_flags_mixed & ISO_FOO) == 0), then these + * elements hold the value for that field. + * + * Note again that "associated" is not the same as "attached": we + * preliminarily associate streams with a circuit while the circuit is being + * launched, so that we can tell whether we need to launch more circuits. + * + * @{ + */ + uint8_t client_proto_type; + uint8_t client_proto_socksver; + uint16_t dest_port; + tor_addr_t client_addr; + char *dest_address; + int session_group; + unsigned nym_epoch; + size_t socks_username_len; + uint8_t socks_password_len; + /* Note that the next two values are NOT NUL-terminated; see + socks_username_len and socks_password_len for their lengths. */ + char *socks_username; + char *socks_password; + /** Global identifier for the first stream attached here; used by + * ISO_STREAM. */ + uint64_t associated_isolated_stream_global_id; + /**@}*/ + /** A list of addr_policy_t for this circuit in particular. Used by + * adjust_exit_policy_from_exitpolicy_failure. + */ + smartlist_t *prepend_policy; + + /** How long do we wait before closing this circuit if it remains + * completely idle after it was built, in seconds? This value + * is randomized on a per-circuit basis from CircuitsAvailableTimoeut + * to 2*CircuitsAvailableTimoeut. */ + int circuit_idle_timeout; + +}; + +#endif + diff --git a/src/or/relay.c b/src/or/relay.c index dca31498f..55c2abd12 100644 --- a/src/or/relay.c +++ b/src/or/relay.c @@ -84,6 +84,8 @@ #include "dir_connection_st.h" #include "entry_connection_st.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" static edge_connection_t *relay_lookup_conn(circuit_t *circ, cell_t *cell, cell_direction_t cell_direction, diff --git a/src/or/relay_crypto.c b/src/or/relay_crypto.c index 530c8e582..7603d3b4e 100644 --- a/src/or/relay_crypto.c +++ b/src/or/relay_crypto.c @@ -5,12 +5,16 @@ /* See LICENSE for licensing information */ #include "or.h" +#include "circuitlist.h" #include "config.h" #include "crypto_util.h" #include "hs_ntor.h" // for HS_NTOR_KEY_EXPANSION_KDF_OUT_LEN #include "relay.h" #include "relay_crypto.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" + /** Update digest from the payload of cell. Assign integrity part to * cell. */ diff --git a/src/or/rendclient.c b/src/or/rendclient.c index c46b8c565..6762bbfb0 100644 --- a/src/or/rendclient.c +++ b/src/or/rendclient.c @@ -35,6 +35,7 @@ #include "dir_connection_st.h" #include "entry_connection_st.h" +#include "origin_circuit_st.h" static extend_info_t *rend_client_get_random_intro_impl( const rend_cache_entry_t *rend_query, diff --git a/src/or/rendcommon.c b/src/or/rendcommon.c index f3fa2f64d..308b91878 100644 --- a/src/or/rendcommon.c +++ b/src/or/rendcommon.c @@ -12,6 +12,7 @@ #include "or.h" #include "circuitbuild.h" +#include "circuitlist.h" #include "circuituse.h" #include "config.h" #include "control.h" @@ -30,6 +31,8 @@ #include "routerlist.h" #include "routerparse.h" +#include "origin_circuit_st.h" + /** Return 0 if one and two are the same service ids, else -1 or 1 */ int rend_cmp_service_ids(const char *one, const char *two) diff --git a/src/or/rendmid.c b/src/or/rendmid.c index c4a34ca62..8afc73067 100644 --- a/src/or/rendmid.c +++ b/src/or/rendmid.c @@ -20,6 +20,8 @@ #include "hs_circuitmap.h" #include "hs_intropoint.h" +#include "or_circuit_st.h" + /** Respond to an ESTABLISH_INTRO cell by checking the signed data and * setting the circuit's purpose and service pk digest. */ diff --git a/src/or/rendservice.c b/src/or/rendservice.c index 4d9309e49..d1e6f8a8e 100644 --- a/src/or/rendservice.c +++ b/src/or/rendservice.c @@ -37,6 +37,7 @@ #include "routerset.h" #include "edge_connection_st.h" +#include "origin_circuit_st.h" struct rend_service_t; static origin_circuit_t *find_intro_circuit(rend_intro_point_t *intro, diff --git a/src/or/rephist.c b/src/or/rephist.c index c7117bad6..909cd043b 100644 --- a/src/or/rephist.c +++ b/src/or/rephist.c @@ -89,6 +89,8 @@ #include "connection_or.h" #include "statefile.h" +#include "or_circuit_st.h" + static void bw_arrays_init(void); static void predicted_ports_alloc(void); diff --git a/src/or/router.c b/src/or/router.c index f1fff6be2..11ee2e6ab 100644 --- a/src/or/router.c +++ b/src/or/router.c @@ -41,6 +41,7 @@ #include "dir_connection_st.h" #include "dir_server_st.h" +#include "origin_circuit_st.h" #include "port_cfg_st.h" /** diff --git a/src/test/bench.c b/src/test/bench.c index 9ab23c992..784bcf326 100644 --- a/src/test/bench.c +++ b/src/test/bench.c @@ -26,6 +26,8 @@ #include "crypto_rand.h" #include "consdiff.h" +#include "or_circuit_st.h" + #if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_PROCESS_CPUTIME_ID) static uint64_t nanostart; static inline uint64_t diff --git a/src/test/test.c b/src/test/test.c index f0e8b9b72..b92dd3c8a 100644 --- a/src/test/test.c +++ b/src/test/test.c @@ -62,6 +62,8 @@ double fabs(double x); #include "statefile.h" #include "crypto_curve25519.h" +#include "or_circuit_st.h" + /** Run unit tests for the onion handshake code. */ static void test_onion_handshake(void *arg) diff --git a/src/test/test_cell_queue.c b/src/test/test_cell_queue.c index df987f82c..b41f7ac38 100644 --- a/src/test/test_cell_queue.c +++ b/src/test/test_cell_queue.c @@ -8,6 +8,9 @@ #include "relay.h" #include "test.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" + static void test_cq_manip(void *arg) { diff --git a/src/test/test_channel.c b/src/test/test_channel.c index 76124a6e7..c41afff5d 100644 --- a/src/test/test_channel.c +++ b/src/test/test_channel.c @@ -20,6 +20,8 @@ #include "scheduler.h" #include "networkstatus.h" +#include "origin_circuit_st.h" + /* Test suite stuff */ #include "log_test_helpers.h" #include "test.h" diff --git a/src/test/test_circuitlist.c b/src/test/test_circuitlist.c index 3794ffc2c..86e78c331 100644 --- a/src/test/test_circuitlist.c +++ b/src/test/test_circuitlist.c @@ -14,6 +14,9 @@ #include "test.h" #include "log_test_helpers.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" + static channel_t * new_fake_channel(void) { diff --git a/src/test/test_circuitstats.c b/src/test/test_circuitstats.c index 8ebef659c..c03164954 100644 --- a/src/test/test_circuitstats.c +++ b/src/test/test_circuitstats.c @@ -17,6 +17,8 @@ #include "circuituse.h" #include "channel.h" +#include "origin_circuit_st.h" + void test_circuitstats_timeout(void *arg); void test_circuitstats_hoplen(void *arg); origin_circuit_t *subtest_fourhop_circuit(struct timeval, int); diff --git a/src/test/test_circuituse.c b/src/test/test_circuituse.c index df1b43807..7d1b1d9b0 100644 --- a/src/test/test_circuituse.c +++ b/src/test/test_circuituse.c @@ -14,6 +14,8 @@ #include "circuitbuild.h" #include "nodelist.h" +#include "origin_circuit_st.h" + static void test_circuit_is_available_for_use_ret_false_when_marked_for_close(void *arg) { diff --git a/src/test/test_controller_events.c b/src/test/test_controller_events.c index e81aea8d6..70ce1a696 100644 --- a/src/test/test_controller_events.c +++ b/src/test/test_controller_events.c @@ -11,6 +11,9 @@ #include "control.h" #include "test.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" + static void add_testing_cell_stats_entry(circuit_t *circ, uint8_t command, unsigned int waiting_time, diff --git a/src/test/test_dns.c b/src/test/test_dns.c index c472b9790..ffc6fb451 100644 --- a/src/test/test_dns.c +++ b/src/test/test_dns.c @@ -11,6 +11,7 @@ #include "router.h" #include "edge_connection_st.h" +#include "or_circuit_st.h" #define NS_MODULE dns diff --git a/src/test/test_entrynodes.c b/src/test/test_entrynodes.c index d4939355d..19a32aa8a 100644 --- a/src/test/test_entrynodes.c +++ b/src/test/test_entrynodes.c @@ -34,6 +34,7 @@ #include "test_helpers.h" #include "log_test_helpers.h" +#include "origin_circuit_st.h" /* TODO: * choose_random_entry() test with state set. diff --git a/src/test/test_helpers.c b/src/test/test_helpers.c index 86aeabb7c..91cc7d4d2 100644 --- a/src/test/test_helpers.c +++ b/src/test/test_helpers.c @@ -25,6 +25,7 @@ #include "routerlist.h" #include "connection_st.h" +#include "origin_circuit_st.h" #include "test.h" #include "test_helpers.h" diff --git a/src/test/test_hs_client.c b/src/test/test_hs_client.c index 0420f70f8..bf0d56f8a 100644 --- a/src/test/test_hs_client.c +++ b/src/test/test_hs_client.c @@ -39,6 +39,7 @@ #include "dir_connection_st.h" #include "entry_connection_st.h" +#include "origin_circuit_st.h" static int mock_connection_ap_handshake_send_begin(entry_connection_t *ap_conn) diff --git a/src/test/test_hs_intropoint.c b/src/test/test_hs_intropoint.c index 4253c9a38..b8462d294 100644 --- a/src/test/test_hs_intropoint.c +++ b/src/test/test_hs_intropoint.c @@ -28,6 +28,8 @@ #include "hs_intropoint.h" #include "hs_service.h" +#include "or_circuit_st.h" + /* Trunnel. */ #include "hs/cell_establish_intro.h" #include "hs/cell_introduce1.h" diff --git a/src/test/test_hs_service.c b/src/test/test_hs_service.c index 33b5e9607..06df50740 100644 --- a/src/test/test_hs_service.c +++ b/src/test/test_hs_service.c @@ -53,6 +53,8 @@ #include "dirauth/shared_random_state.h" #include "voting_schedule.h" +#include "origin_circuit_st.h" + /* Trunnel */ #include "hs/cell_establish_intro.h" diff --git a/src/test/test_oom.c b/src/test/test_oom.c index 98935fe45..fcee7cc73 100644 --- a/src/test/test_oom.c +++ b/src/test/test_oom.c @@ -19,6 +19,8 @@ #include "test_helpers.h" #include "entry_connection_st.h" +#include "or_circuit_st.h" +#include "origin_circuit_st.h" /* small replacement mock for circuit_mark_for_close_ to avoid doing all * the other bookkeeping that comes with marking circuits. */ diff --git a/src/test/test_relay.c b/src/test/test_relay.c index 73c0ed558..4a526671b 100644 --- a/src/test/test_relay.c +++ b/src/test/test_relay.c @@ -9,6 +9,8 @@ /* For init/free stuff */ #include "scheduler.h" +#include "or_circuit_st.h" + /* Test suite stuff */ #include "test.h" #include "fakechans.h" diff --git a/src/test/test_relaycell.c b/src/test/test_relaycell.c index b4cb9d4bb..e6a673403 100644 --- a/src/test/test_relaycell.c +++ b/src/test/test_relaycell.c @@ -17,6 +17,7 @@ #include "test.h" #include "entry_connection_st.h" +#include "origin_circuit_st.h" static int srm_ncalls; static entry_connection_t *srm_conn; diff --git a/src/test/test_relaycrypt.c b/src/test/test_relaycrypt.c index 60bd47971..62bcedabc 100644 --- a/src/test/test_relaycrypt.c +++ b/src/test/test_relaycrypt.c @@ -10,6 +10,10 @@ #include "crypto_rand.h" #include "relay.h" #include "relay_crypto.h" + +#include "or_circuit_st.h" +#include "origin_circuit_st.h" + #include "test.h" static const char KEY_MATERIAL[3][CPATH_KEY_MATERIAL_LEN] = { diff --git a/src/test/test_status.c b/src/test/test_status.c index b4ca17891..062a28f73 100644 --- a/src/test/test_status.c +++ b/src/test/test_status.c @@ -24,6 +24,9 @@ #include "main.h" #include "nodelist.h" #include "statefile.h" + +#include "origin_circuit_st.h" + #include "test.h" #define NS_MODULE status

1 0

[tor/master] Extract rend_service_descriptor_t into its own header.
by nickm＠torproject.org 18 Jun '18

18 Jun '18

commit 22e9c647387509b44ff75e232aede360e3f87070 Author: Nick Mathewson <nickm(a)torproject.org> Date: Fri Jun 15 12:18:17 2018 -0400 Extract rend_service_descriptor_t into its own header. --- src/or/control.c | 1 + src/or/directory.c | 1 + src/or/include.am | 1 + src/or/or.h | 23 +---------------------- src/or/rend_service_descriptor_st.h | 34 ++++++++++++++++++++++++++++++++++ src/or/rendcache.c | 2 ++ src/or/rendclient.c | 1 + src/or/rendcommon.c | 1 + src/or/rendservice.c | 1 + src/or/routerparse.c | 7 ++++--- src/test/fuzz/fuzz_iptsv2.c | 3 +++ src/test/rend_test_helpers.c | 2 ++ src/test/test.c | 1 + src/test/test_rendcache.c | 3 +++ 14 files changed, 56 insertions(+), 25 deletions(-) diff --git a/src/or/control.c b/src/or/control.c index 972462e38..401135ca8 100644 --- a/src/or/control.c +++ b/src/or/control.c @@ -87,6 +87,7 @@ #include "or_connection_st.h" #include "or_circuit_st.h" #include "origin_circuit_st.h" +#include "rend_service_descriptor_st.h" #ifndef _WIN32 #include <pwd.h> diff --git a/src/or/directory.c b/src/or/directory.c index 65aaaa38a..720ef975b 100644 --- a/src/or/directory.c +++ b/src/or/directory.c @@ -56,6 +56,7 @@ #include "dir_connection_st.h" #include "dir_server_st.h" #include "entry_connection_st.h" +#include "rend_service_descriptor_st.h" /** * \file directory.c diff --git a/src/or/include.am b/src/or/include.am index 618ffacd0..883366fc1 100644 --- a/src/or/include.am +++ b/src/or/include.am @@ -279,6 +279,7 @@ ORHEADERS = \ src/or/rendcommon.h \ src/or/rendmid.h \ src/or/rendservice.h \ + src/or/rend_service_descriptor_st.h \ src/or/rephist.h \ src/or/replaycache.h \ src/or/router.h \ diff --git a/src/or/or.h b/src/or/or.h index b67896d2a..e66bad5ab 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -4145,28 +4145,7 @@ typedef struct rend_intro_point_t { unsigned int circuit_established:1; } rend_intro_point_t; -#define REND_PROTOCOL_VERSION_BITMASK_WIDTH 16 - -/** Information used to connect to a hidden service. Used on both the - * service side and the client side. */ -typedef struct rend_service_descriptor_t { - crypto_pk_t *pk; /**< This service's public key. */ - int version; /**< Version of the descriptor format: 0 or 2. */ - time_t timestamp; /**< Time when the descriptor was generated. */ - /** Bitmask: which introduce/rendezvous protocols are supported? - * (We allow bits '0', '1', '2' and '3' to be set.) */ - unsigned protocols : REND_PROTOCOL_VERSION_BITMASK_WIDTH; - /** List of the service's introduction points. Elements are removed if - * introduction attempts fail. */ - smartlist_t *intro_nodes; - /** Has descriptor been uploaded to all hidden service directories? */ - int all_uploads_performed; - /** List of hidden service directories to which an upload request for - * this descriptor could be sent. Smartlist exists only when at least one - * of the previous upload requests failed (otherwise it's not important - * to know which uploads succeeded and which not). */ - smartlist_t *successful_uploads; -} rend_service_descriptor_t; +typedef struct rend_service_descriptor_t rend_service_descriptor_t; /********************************* routerlist.c ***************************/ diff --git a/src/or/rend_service_descriptor_st.h b/src/or/rend_service_descriptor_st.h new file mode 100644 index 000000000..bd6d55b6a --- /dev/null +++ b/src/or/rend_service_descriptor_st.h @@ -0,0 +1,34 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2017, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef REND_SERVICE_DESCRIPTOR_ST_H +#define REND_SERVICE_DESCRIPTOR_ST_H + +#define REND_PROTOCOL_VERSION_BITMASK_WIDTH 16 + +/** Information used to connect to a hidden service. Used on both the + * service side and the client side. */ +struct rend_service_descriptor_t { + crypto_pk_t *pk; /**< This service's public key. */ + int version; /**< Version of the descriptor format: 0 or 2. */ + time_t timestamp; /**< Time when the descriptor was generated. */ + /** Bitmask: which introduce/rendezvous protocols are supported? + * (We allow bits '0', '1', '2' and '3' to be set.) */ + unsigned protocols : REND_PROTOCOL_VERSION_BITMASK_WIDTH; + /** List of the service's introduction points. Elements are removed if + * introduction attempts fail. */ + smartlist_t *intro_nodes; + /** Has descriptor been uploaded to all hidden service directories? */ + int all_uploads_performed; + /** List of hidden service directories to which an upload request for + * this descriptor could be sent. Smartlist exists only when at least one + * of the previous upload requests failed (otherwise it's not important + * to know which uploads succeeded and which not). */ + smartlist_t *successful_uploads; +}; + +#endif + diff --git a/src/or/rendcache.c b/src/or/rendcache.c index d27e1c293..6dd49ee9c 100644 --- a/src/or/rendcache.c +++ b/src/or/rendcache.c @@ -15,6 +15,8 @@ #include "routerparse.h" #include "rendcommon.h" +#include "rend_service_descriptor_st.h" + /** Map from service id (as generated by rend_get_service_id) to * rend_cache_entry_t. */ STATIC strmap_t *rend_cache = NULL; diff --git a/src/or/rendclient.c b/src/or/rendclient.c index c55f63c33..1d12e1829 100644 --- a/src/or/rendclient.c +++ b/src/or/rendclient.c @@ -38,6 +38,7 @@ #include "dir_connection_st.h" #include "entry_connection_st.h" #include "origin_circuit_st.h" +#include "rend_service_descriptor_st.h" static extend_info_t *rend_client_get_random_intro_impl( const rend_cache_entry_t *rend_query, diff --git a/src/or/rendcommon.c b/src/or/rendcommon.c index 719a1537c..b2d4b0949 100644 --- a/src/or/rendcommon.c +++ b/src/or/rendcommon.c @@ -34,6 +34,7 @@ #include "cpath_build_state_st.h" #include "crypt_path_st.h" #include "origin_circuit_st.h" +#include "rend_service_descriptor_st.h" /** Return 0 if one and two are the same service ids, else -1 or 1 */ int diff --git a/src/or/rendservice.c b/src/or/rendservice.c index ef46ff6ce..e27e8c4fb 100644 --- a/src/or/rendservice.c +++ b/src/or/rendservice.c @@ -41,6 +41,7 @@ #include "crypt_path_reference_st.h" #include "edge_connection_st.h" #include "origin_circuit_st.h" +#include "rend_service_descriptor_st.h" struct rend_service_t; static origin_circuit_t *find_intro_circuit(rend_intro_point_t *intro, diff --git a/src/or/routerparse.c b/src/or/routerparse.c index 06a37904d..af11bc3d5 100644 --- a/src/or/routerparse.c +++ b/src/or/routerparse.c @@ -79,13 +79,14 @@ #include "torcert.h" #include "voting_schedule.h" -#undef log -#include <math.h> - #include "dirauth/dirvote.h" +#include "rend_service_descriptor_st.h" #include "tor_version_st.h" +#undef log +#include <math.h> + /****************************************************************************/ /** List of tokens recognized in router descriptors */ diff --git a/src/test/fuzz/fuzz_iptsv2.c b/src/test/fuzz/fuzz_iptsv2.c index 4abde0c16..db99f62dc 100644 --- a/src/test/fuzz/fuzz_iptsv2.c +++ b/src/test/fuzz/fuzz_iptsv2.c @@ -4,6 +4,9 @@ #include "or.h" #include "routerparse.h" #include "rendcommon.h" + +#include "rend_service_descriptor_st.h" + #include "fuzzing.h" static void diff --git a/src/test/rend_test_helpers.c b/src/test/rend_test_helpers.c index 9ac3894b0..177935edf 100644 --- a/src/test/rend_test_helpers.c +++ b/src/test/rend_test_helpers.c @@ -7,6 +7,8 @@ #include "rendcommon.h" #include "rend_test_helpers.h" +#include "rend_service_descriptor_st.h" + void generate_desc(int time_diff, rend_encoded_v2_service_descriptor_t **desc, char **service_id, int intro_points) diff --git a/src/test/test.c b/src/test/test.c index b92dd3c8a..040861560 100644 --- a/src/test/test.c +++ b/src/test/test.c @@ -63,6 +63,7 @@ double fabs(double x); #include "crypto_curve25519.h" #include "or_circuit_st.h" +#include "rend_service_descriptor_st.h" /** Run unit tests for the onion handshake code. */ static void diff --git a/src/test/test_rendcache.c b/src/test/test_rendcache.c index 9f6cfc4a2..f1e94eb02 100644 --- a/src/test/test_rendcache.c +++ b/src/test/test_rendcache.c @@ -11,6 +11,9 @@ #include "routerlist.h" #include "config.h" #include "hs_common.h" + +#include "rend_service_descriptor_st.h" + #include "rend_test_helpers.h" #include "log_test_helpers.h"

1 0

[tor/master] Extract cpath_build_state into its own header.
by nickm＠torproject.org 18 Jun '18

18 Jun '18

commit d51de7731107ee6911c0c849260705ba9b1c3673 Author: Nick Mathewson <nickm(a)torproject.org> Date: Fri Jun 15 12:07:20 2018 -0400 Extract cpath_build_state into its own header. More modules use this than I had expected! --- src/or/circpathbias.c | 1 + src/or/circuitbuild.c | 1 + src/or/circuitlist.c | 1 + src/or/circuituse.c | 1 + src/or/connection_edge.c | 1 + src/or/control.c | 1 + src/or/cpath_build_state_st.h | 38 ++++++++++++++++++++++++++++++++++++++ src/or/hs_circuit.c | 1 + src/or/hs_client.c | 1 + src/or/include.am | 1 + src/or/or.h | 27 +-------------------------- src/or/relay.c | 1 + src/or/rendclient.c | 1 + src/or/rendcommon.c | 1 + src/or/rendservice.c | 1 + src/test/test_circuitstats.c | 1 + src/test/test_circuituse.c | 1 + src/test/test_entrynodes.c | 1 + src/test/test_hs_client.c | 1 + src/test/test_hs_service.c | 1 + 20 files changed, 57 insertions(+), 26 deletions(-) diff --git a/src/or/circpathbias.c b/src/or/circpathbias.c index d1bdaedc3..9ca45df27 100644 --- a/src/or/circpathbias.c +++ b/src/or/circpathbias.c @@ -35,6 +35,7 @@ #include "networkstatus.h" #include "relay.h" +#include "cpath_build_state_st.h" #include "crypt_path_st.h" #include "origin_circuit_st.h" diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c index c5d1c65f5..0df616a5a 100644 --- a/src/or/circuitbuild.c +++ b/src/or/circuitbuild.c @@ -65,6 +65,7 @@ #include "routerset.h" #include "transports.h" +#include "cpath_build_state_st.h" #include "entry_connection_st.h" #include "or_circuit_st.h" #include "origin_circuit_st.h" diff --git a/src/or/circuitlist.c b/src/or/circuitlist.c index 3f03ae2f4..46974aea4 100644 --- a/src/or/circuitlist.c +++ b/src/or/circuitlist.c @@ -92,6 +92,7 @@ #include "ht.h" +#include "cpath_build_state_st.h" #include "crypt_path_reference_st.h" #include "dir_connection_st.h" #include "edge_connection_st.h" diff --git a/src/or/circuituse.c b/src/or/circuituse.c index 3a18c3403..626aff7bb 100644 --- a/src/or/circuituse.c +++ b/src/or/circuituse.c @@ -57,6 +57,7 @@ #include "router.h" #include "routerlist.h" +#include "cpath_build_state_st.h" #include "dir_connection_st.h" #include "entry_connection_st.h" #include "or_circuit_st.h" diff --git a/src/or/connection_edge.c b/src/or/connection_edge.c index b972724a8..27ee0ea27 100644 --- a/src/or/connection_edge.c +++ b/src/or/connection_edge.c @@ -97,6 +97,7 @@ #include "routerset.h" #include "circuitbuild.h" +#include "cpath_build_state_st.h" #include "dir_connection_st.h" #include "entry_connection_st.h" #include "or_circuit_st.h" diff --git a/src/or/control.c b/src/or/control.c index 183778801..972462e38 100644 --- a/src/or/control.c +++ b/src/or/control.c @@ -82,6 +82,7 @@ #include "shared_random_client.h" #include "control_connection_st.h" +#include "cpath_build_state_st.h" #include "entry_connection_st.h" #include "or_connection_st.h" #include "or_circuit_st.h" diff --git a/src/or/cpath_build_state_st.h b/src/or/cpath_build_state_st.h new file mode 100644 index 000000000..504f638db --- /dev/null +++ b/src/or/cpath_build_state_st.h @@ -0,0 +1,38 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2017, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef CIRCUIT_BUILD_STATE_ST_ST_H +#define CIRCUIT_BUILD_STATE_ST_ST_H + +/** Information used to build a circuit. */ +struct cpath_build_state_t { + /** Intended length of the final circuit. */ + int desired_path_len; + /** How to extend to the planned exit node. */ + extend_info_t *chosen_exit; + /** Whether every node in the circ must have adequate uptime. */ + unsigned int need_uptime : 1; + /** Whether every node in the circ must have adequate capacity. */ + unsigned int need_capacity : 1; + /** Whether the last hop was picked with exiting in mind. */ + unsigned int is_internal : 1; + /** Did we pick this as a one-hop tunnel (not safe for other streams)? + * These are for encrypted dir conns that exit to this router, not + * for arbitrary exits from the circuit. */ + unsigned int onehop_tunnel : 1; + /** The crypt_path_t to append after rendezvous: used for rendezvous. */ + crypt_path_t *pending_final_cpath; + /** A ref-counted reference to the crypt_path_t to append after + * rendezvous; used on the service side. */ + crypt_path_reference_t *service_pending_final_cpath_ref; + /** How many times has building a circuit for this task failed? */ + int failure_count; + /** At what time should we give up on this task? */ + time_t expiry_time; +}; + +#endif + diff --git a/src/or/hs_circuit.c b/src/or/hs_circuit.c index 56ae4a152..b5ac7184a 100644 --- a/src/or/hs_circuit.c +++ b/src/or/hs_circuit.c @@ -33,6 +33,7 @@ #include "hs/cell_common.h" #include "hs/cell_establish_intro.h" +#include "cpath_build_state_st.h" #include "crypt_path_st.h" #include "origin_circuit_st.h" diff --git a/src/or/hs_client.c b/src/or/hs_client.c index c4db60e52..18276bfb8 100644 --- a/src/or/hs_client.c +++ b/src/or/hs_client.c @@ -35,6 +35,7 @@ #include "router.h" #include "routerset.h" +#include "cpath_build_state_st.h" #include "dir_connection_st.h" #include "entry_connection_st.h" #include "origin_circuit_st.h" diff --git a/src/or/include.am b/src/or/include.am index e15b58c38..e38013f02 100644 --- a/src/or/include.am +++ b/src/or/include.am @@ -206,6 +206,7 @@ ORHEADERS = \ src/or/consdiffmgr.h \ src/or/control_connection_st.h \ src/or/control.h \ + src/or/cpath_build_state_st.h \ src/or/crypt_path_st.h \ src/or/crypt_path_reference_st.h \ src/or/cpuworker.h \ diff --git a/src/or/or.h b/src/or/or.h index 5c8267cf5..4403aae83 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -2286,32 +2286,7 @@ typedef struct crypt_path_reference_t crypt_path_reference_t; #define DH_KEY_LEN DH_BYTES -/** Information used to build a circuit. */ -typedef struct { - /** Intended length of the final circuit. */ - int desired_path_len; - /** How to extend to the planned exit node. */ - extend_info_t *chosen_exit; - /** Whether every node in the circ must have adequate uptime. */ - unsigned int need_uptime : 1; - /** Whether every node in the circ must have adequate capacity. */ - unsigned int need_capacity : 1; - /** Whether the last hop was picked with exiting in mind. */ - unsigned int is_internal : 1; - /** Did we pick this as a one-hop tunnel (not safe for other streams)? - * These are for encrypted dir conns that exit to this router, not - * for arbitrary exits from the circuit. */ - unsigned int onehop_tunnel : 1; - /** The crypt_path_t to append after rendezvous: used for rendezvous. */ - crypt_path_t *pending_final_cpath; - /** A ref-counted reference to the crypt_path_t to append after - * rendezvous; used on the service side. */ - crypt_path_reference_t *service_pending_final_cpath_ref; - /** How many times has building a circuit for this task failed? */ - int failure_count; - /** At what time should we give up on this task? */ - time_t expiry_time; -} cpath_build_state_t; +typedef struct cpath_build_state_t cpath_build_state_t; /** "magic" value for an origin_circuit_t */ #define ORIGIN_CIRCUIT_MAGIC 0x35315243u diff --git a/src/or/relay.c b/src/or/relay.c index 55c2abd12..127609a2b 100644 --- a/src/or/relay.c +++ b/src/or/relay.c @@ -82,6 +82,7 @@ #include "scheduler.h" #include "rephist.h" +#include "cpath_build_state_st.h" #include "dir_connection_st.h" #include "entry_connection_st.h" #include "or_circuit_st.h" diff --git a/src/or/rendclient.c b/src/or/rendclient.c index 8e621562a..c55f63c33 100644 --- a/src/or/rendclient.c +++ b/src/or/rendclient.c @@ -33,6 +33,7 @@ #include "routerlist.h" #include "routerset.h" +#include "cpath_build_state_st.h" #include "crypt_path_st.h" #include "dir_connection_st.h" #include "entry_connection_st.h" diff --git a/src/or/rendcommon.c b/src/or/rendcommon.c index 116ca730f..719a1537c 100644 --- a/src/or/rendcommon.c +++ b/src/or/rendcommon.c @@ -31,6 +31,7 @@ #include "routerlist.h" #include "routerparse.h" +#include "cpath_build_state_st.h" #include "crypt_path_st.h" #include "origin_circuit_st.h" diff --git a/src/or/rendservice.c b/src/or/rendservice.c index 20a4288af..ef46ff6ce 100644 --- a/src/or/rendservice.c +++ b/src/or/rendservice.c @@ -36,6 +36,7 @@ #include "routerparse.h" #include "routerset.h" +#include "cpath_build_state_st.h" #include "crypt_path_st.h" #include "crypt_path_reference_st.h" #include "edge_connection_st.h" diff --git a/src/test/test_circuitstats.c b/src/test/test_circuitstats.c index 8efde6f84..9f6f4626d 100644 --- a/src/test/test_circuitstats.c +++ b/src/test/test_circuitstats.c @@ -17,6 +17,7 @@ #include "circuituse.h" #include "channel.h" +#include "cpath_build_state_st.h" #include "crypt_path_st.h" #include "origin_circuit_st.h" diff --git a/src/test/test_circuituse.c b/src/test/test_circuituse.c index 7d1b1d9b0..16ae84380 100644 --- a/src/test/test_circuituse.c +++ b/src/test/test_circuituse.c @@ -14,6 +14,7 @@ #include "circuitbuild.h" #include "nodelist.h" +#include "cpath_build_state_st.h" #include "origin_circuit_st.h" static void diff --git a/src/test/test_entrynodes.c b/src/test/test_entrynodes.c index 83a3ecbfc..bff6a40bd 100644 --- a/src/test/test_entrynodes.c +++ b/src/test/test_entrynodes.c @@ -30,6 +30,7 @@ #include "statefile.h" #include "util.h" +#include "cpath_build_state_st.h" #include "crypt_path_st.h" #include "dir_connection_st.h" #include "origin_circuit_st.h" diff --git a/src/test/test_hs_client.c b/src/test/test_hs_client.c index 4443bd922..98e95be09 100644 --- a/src/test/test_hs_client.c +++ b/src/test/test_hs_client.c @@ -37,6 +37,7 @@ #include "connection_edge.h" #include "networkstatus.h" +#include "cpath_build_state_st.h" #include "crypt_path_st.h" #include "dir_connection_st.h" #include "entry_connection_st.h" diff --git a/src/test/test_hs_service.c b/src/test/test_hs_service.c index 947243e67..348778550 100644 --- a/src/test/test_hs_service.c +++ b/src/test/test_hs_service.c @@ -53,6 +53,7 @@ #include "dirauth/shared_random_state.h" #include "voting_schedule.h" +#include "cpath_build_state_st.h" #include "crypt_path_st.h" #include "origin_circuit_st.h"

1 0

[tor/master] Extract crypt_path_reference_t into its own header.
by nickm＠torproject.org 18 Jun '18

18 Jun '18

commit c846b0e486786f228a51f39d32b83d83f15bd3cd Author: Nick Mathewson <nickm(a)torproject.org> Date: Fri Jun 15 11:57:48 2018 -0400 Extract crypt_path_reference_t into its own header. --- src/or/circuitlist.c | 1 + src/or/crypt_path_reference_st.h | 23 +++++++++++++++++++++++ src/or/include.am | 1 + src/or/or.h | 13 +------------ src/or/rendservice.c | 1 + 5 files changed, 27 insertions(+), 12 deletions(-) diff --git a/src/or/circuitlist.c b/src/or/circuitlist.c index 7601bc613..3f03ae2f4 100644 --- a/src/or/circuitlist.c +++ b/src/or/circuitlist.c @@ -92,6 +92,7 @@ #include "ht.h" +#include "crypt_path_reference_st.h" #include "dir_connection_st.h" #include "edge_connection_st.h" #include "or_circuit_st.h" diff --git a/src/or/crypt_path_reference_st.h b/src/or/crypt_path_reference_st.h new file mode 100644 index 000000000..2758a281c --- /dev/null +++ b/src/or/crypt_path_reference_st.h @@ -0,0 +1,23 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2017, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef CRYPT_PATH_REFERENCE_ST_H +#define CRYPT_PATH_REFERENCE_ST_H + +/** A reference-counted pointer to a crypt_path_t, used only to share + * the final rendezvous cpath to be used on a service-side rendezvous + * circuit among multiple circuits built in parallel to the same + * destination rendezvous point. */ +struct crypt_path_reference_t { + /** The reference count. */ + unsigned int refcount; + /** The pointer. Set to NULL when the crypt_path_t is put into use + * on an opened rendezvous circuit. */ + crypt_path_t *cpath; +}; + +#endif + diff --git a/src/or/include.am b/src/or/include.am index 0a58796e0..e15b58c38 100644 --- a/src/or/include.am +++ b/src/or/include.am @@ -207,6 +207,7 @@ ORHEADERS = \ src/or/control_connection_st.h \ src/or/control.h \ src/or/crypt_path_st.h \ + src/or/crypt_path_reference_st.h \ src/or/cpuworker.h \ src/or/directory.h \ src/or/dirserv.h \ diff --git a/src/or/or.h b/src/or/or.h index df232604e..5c8267cf5 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -2280,18 +2280,7 @@ typedef struct { typedef struct relay_crypto_t relay_crypto_t; typedef struct crypt_path_t crypt_path_t; - -/** A reference-counted pointer to a crypt_path_t, used only to share - * the final rendezvous cpath to be used on a service-side rendezvous - * circuit among multiple circuits built in parallel to the same - * destination rendezvous point. */ -typedef struct { - /** The reference count. */ - unsigned int refcount; - /** The pointer. Set to NULL when the crypt_path_t is put into use - * on an opened rendezvous circuit. */ - crypt_path_t *cpath; -} crypt_path_reference_t; +typedef struct crypt_path_reference_t crypt_path_reference_t; #define CPATH_KEY_MATERIAL_LEN (20*2+16*2) diff --git a/src/or/rendservice.c b/src/or/rendservice.c index 09a52ea07..20a4288af 100644 --- a/src/or/rendservice.c +++ b/src/or/rendservice.c @@ -37,6 +37,7 @@ #include "routerset.h" #include "crypt_path_st.h" +#include "crypt_path_reference_st.h" #include "edge_connection_st.h" #include "origin_circuit_st.h"

1 0

[tor/master] Move vote_schedule into its own header.
by nickm＠torproject.org 18 Jun '18

18 Jun '18

commit f8794b0b36ad400a228fa3cfd96d7a250632dd29 Author: Nick Mathewson <nickm(a)torproject.org> Date: Fri Jun 15 12:50:07 2018 -0400 Move vote_schedule into its own header. --- src/or/dirauth/dirvote.c | 1 + src/or/include.am | 1 + src/or/or.h | 13 +------------ src/or/vote_timing_st.h | 24 ++++++++++++++++++++++++ 4 files changed, 27 insertions(+), 12 deletions(-) diff --git a/src/or/dirauth/dirvote.c b/src/or/dirauth/dirvote.c index 3a2df5ee6..ae2de57a8 100644 --- a/src/or/dirauth/dirvote.c +++ b/src/or/dirauth/dirvote.c @@ -29,6 +29,7 @@ #include "dirauth/shared_random_state.h" #include "dir_server_st.h" +#include "vote_timing_st.h" /** * \file dirvote.c diff --git a/src/or/include.am b/src/or/include.am index 353d52ea2..87a353828 100644 --- a/src/or/include.am +++ b/src/or/include.am @@ -299,6 +299,7 @@ ORHEADERS = \ src/or/torcert.h \ src/or/tor_api_internal.h \ src/or/tor_version_st.h \ + src/or/vote_timing_st.h \ src/or/voting_schedule.h # We add the headers of the modules even though they are disabled so we can diff --git a/src/or/or.h b/src/or/or.h index d390c47bf..dd46bfd05 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -3913,18 +3913,7 @@ typedef struct measured_bw_line_t { /********************************* dirvote.c ************************/ -/** Describes the schedule by which votes should be generated. */ -typedef struct vote_timing_t { - /** Length in seconds between one consensus becoming valid and the next - * becoming valid. */ - int vote_interval; - /** For how many intervals is a consensus valid? */ - int n_intervals_valid; - /** Time in seconds allowed to propagate votes */ - int vote_delay; - /** Time in seconds allowed to propagate signatures */ - int dist_delay; -} vote_timing_t; +typedef struct vote_timing_t vote_timing_t; /********************************* geoip.c **************************/ diff --git a/src/or/vote_timing_st.h b/src/or/vote_timing_st.h new file mode 100644 index 000000000..3bf361907 --- /dev/null +++ b/src/or/vote_timing_st.h @@ -0,0 +1,24 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2017, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef VOTE_TIMING_ST_H +#define VOTE_TIMING_ST_H + +/** Describes the schedule by which votes should be generated. */ +struct vote_timing_t { + /** Length in seconds between one consensus becoming valid and the next + * becoming valid. */ + int vote_interval; + /** For how many intervals is a consensus valid? */ + int n_intervals_valid; + /** Time in seconds allowed to propagate votes */ + int vote_delay; + /** Time in seconds allowed to propagate signatures */ + int dist_delay; +}; + +#endif +

1 0

[tor/master] Move fp_pair_t declaration to fp_pair.h.
by nickm＠torproject.org 18 Jun '18

18 Jun '18

commit c9e4ebf96a9d5fe8d6ae74be96ea00f8c5d493ac Author: Nick Mathewson <nickm(a)torproject.org> Date: Fri Jun 15 12:52:22 2018 -0400 Move fp_pair_t declaration to fp_pair.h. --- src/or/directory.c | 1 + src/or/fp_pair.h | 6 ++++++ src/or/or.h | 8 -------- src/test/test_dir.c | 1 + 4 files changed, 8 insertions(+), 8 deletions(-) diff --git a/src/or/directory.c b/src/or/directory.c index 720ef975b..00605c054 100644 --- a/src/or/directory.c +++ b/src/or/directory.c @@ -23,6 +23,7 @@ #include "directory.h" #include "dirserv.h" #include "entrynodes.h" +#include "fp_pair.h" #include "geoip.h" #include "hs_cache.h" #include "hs_common.h" diff --git a/src/or/fp_pair.h b/src/or/fp_pair.h index 4498a1610..3c5c33bcb 100644 --- a/src/or/fp_pair.h +++ b/src/or/fp_pair.h @@ -9,6 +9,12 @@ #ifndef _TOR_FP_PAIR_H #define _TOR_FP_PAIR_H +/** A pair of digests created by dir_split_resource_info_fingerprint_pairs() */ +typedef struct { + char first[DIGEST_LEN]; + char second[DIGEST_LEN]; +} fp_pair_t; + /* * Declare fp_pair_map_t functions and structs */ diff --git a/src/or/or.h b/src/or/or.h index dd46bfd05..5b7d4344c 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -3877,14 +3877,6 @@ typedef enum { BOOTSTRAP_STATUS_DONE=100 } bootstrap_status_t; -/********************************* directory.c ***************************/ - -/** A pair of digests created by dir_split_resource_info_fingerprint_pairs() */ -typedef struct { - char first[DIGEST_LEN]; - char second[DIGEST_LEN]; -} fp_pair_t; - /********************************* dirserv.c ***************************/ /** An enum to describe what format we're generating a routerstatus line in. diff --git a/src/test/test_dir.c b/src/test/test_dir.c index 5bcbc80e8..43fc5c5fb 100644 --- a/src/test/test_dir.c +++ b/src/test/test_dir.c @@ -28,6 +28,7 @@ #include "dirserv.h" #include "dirauth/dirvote.h" #include "entrynodes.h" +#include "fp_pair.h" #include "hibernate.h" #include "memarea.h" #include "networkstatus.h"

1 0

[tor/master] Extract rend_intro_point_t into its own header.
by nickm＠torproject.org 18 Jun '18

18 Jun '18

commit 990184da4976f98365ca7d98762e91a66f1d3009 Author: Nick Mathewson <nickm(a)torproject.org> Date: Fri Jun 15 12:23:06 2018 -0400 Extract rend_intro_point_t into its own header. --- src/or/include.am | 1 + src/or/or.h | 64 +------------------------------------- src/or/rend_intro_point_st.h | 74 ++++++++++++++++++++++++++++++++++++++++++++ src/or/rendcache.c | 1 + src/or/rendclient.c | 1 + src/or/rendcommon.c | 1 + src/or/rendservice.c | 1 + src/or/routerparse.c | 1 + src/test/rend_test_helpers.c | 1 + src/test/test.c | 1 + src/test/test_hs.c | 3 ++ src/test/test_rendcache.c | 1 + 12 files changed, 87 insertions(+), 63 deletions(-) diff --git a/src/or/include.am b/src/or/include.am index 883366fc1..ede01c79e 100644 --- a/src/or/include.am +++ b/src/or/include.am @@ -279,6 +279,7 @@ ORHEADERS = \ src/or/rendcommon.h \ src/or/rendmid.h \ src/or/rendservice.h \ + src/or/rend_intro_point_st.h \ src/or/rend_service_descriptor_st.h \ src/or/rephist.h \ src/or/replaycache.h \ diff --git a/src/or/or.h b/src/or/or.h index e66bad5ab..41953806a 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -4082,69 +4082,7 @@ typedef struct rend_encoded_v2_service_descriptor_t { * lifetime so this is a hard limit on the amount of time we do that. */ #define MAX_INTRO_POINT_CIRCUIT_RETRIES 3 -/** Introduction point information. Used both in rend_service_t (on - * the service side) and in rend_service_descriptor_t (on both the - * client and service side). */ -typedef struct rend_intro_point_t { - extend_info_t *extend_info; /**< Extend info for connecting to this - * introduction point via a multi-hop path. */ - crypto_pk_t *intro_key; /**< Introduction key that replaces the service - * key, if this descriptor is V2. */ - - /** (Client side only) Flag indicating that a timeout has occurred - * after sending an INTRODUCE cell to this intro point. After a - * timeout, an intro point should not be tried again during the same - * hidden service connection attempt, but it may be tried again - * during a future connection attempt. */ - unsigned int timed_out : 1; - - /** (Client side only) The number of times we have failed to build a - * circuit to this intro point for some reason other than our - * circuit-build timeout. See also MAX_INTRO_POINT_REACHABILITY_FAILURES. */ - unsigned int unreachable_count : 3; - - /** (Service side only) Flag indicating that this intro point was - * included in the last HS descriptor we generated. */ - unsigned int listed_in_last_desc : 1; - - /** (Service side only) A replay cache recording the RSA-encrypted parts - * of INTRODUCE2 cells this intro point's circuit has received. This is - * used to prevent replay attacks. */ - replaycache_t *accepted_intro_rsa_parts; - - /** (Service side only) Count of INTRODUCE2 cells accepted from this - * intro point. - */ - int accepted_introduce2_count; - - /** (Service side only) Maximum number of INTRODUCE2 cells that this IP - * will accept. This is a random value between - * INTRO_POINT_MIN_LIFETIME_INTRODUCTIONS and - * INTRO_POINT_MAX_LIFETIME_INTRODUCTIONS. */ - int max_introductions; - - /** (Service side only) The time at which this intro point was first - * published, or -1 if this intro point has not yet been - * published. */ - time_t time_published; - - /** (Service side only) The time at which this intro point should - * (start to) expire, or -1 if we haven't decided when this intro - * point should expire. */ - time_t time_to_expire; - - /** (Service side only) The amount of circuit creation we've made to this - * intro point. This is incremented every time we do a circuit relaunch on - * this object which is triggered when the circuit dies but the node is - * still in the consensus. After MAX_INTRO_POINT_CIRCUIT_RETRIES, we give - * up on it. */ - unsigned int circuit_retries; - - /** (Service side only) Set if this intro point has an established circuit - * and unset if it doesn't. */ - unsigned int circuit_established:1; -} rend_intro_point_t; - +typedef struct rend_intro_point_t rend_intro_point_t; typedef struct rend_service_descriptor_t rend_service_descriptor_t; /********************************* routerlist.c ***************************/ diff --git a/src/or/rend_intro_point_st.h b/src/or/rend_intro_point_st.h new file mode 100644 index 000000000..934b6ea82 --- /dev/null +++ b/src/or/rend_intro_point_st.h @@ -0,0 +1,74 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2017, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef REND_INTRO_POINT_ST_H +#define REND_INTRO_POINT_ST_H + +/** Introduction point information. Used both in rend_service_t (on + * the service side) and in rend_service_descriptor_t (on both the + * client and service side). */ +struct rend_intro_point_t { + extend_info_t *extend_info; /**< Extend info for connecting to this + * introduction point via a multi-hop path. */ + crypto_pk_t *intro_key; /**< Introduction key that replaces the service + * key, if this descriptor is V2. */ + + /** (Client side only) Flag indicating that a timeout has occurred + * after sending an INTRODUCE cell to this intro point. After a + * timeout, an intro point should not be tried again during the same + * hidden service connection attempt, but it may be tried again + * during a future connection attempt. */ + unsigned int timed_out : 1; + + /** (Client side only) The number of times we have failed to build a + * circuit to this intro point for some reason other than our + * circuit-build timeout. See also MAX_INTRO_POINT_REACHABILITY_FAILURES. */ + unsigned int unreachable_count : 3; + + /** (Service side only) Flag indicating that this intro point was + * included in the last HS descriptor we generated. */ + unsigned int listed_in_last_desc : 1; + + /** (Service side only) A replay cache recording the RSA-encrypted parts + * of INTRODUCE2 cells this intro point's circuit has received. This is + * used to prevent replay attacks. */ + replaycache_t *accepted_intro_rsa_parts; + + /** (Service side only) Count of INTRODUCE2 cells accepted from this + * intro point. + */ + int accepted_introduce2_count; + + /** (Service side only) Maximum number of INTRODUCE2 cells that this IP + * will accept. This is a random value between + * INTRO_POINT_MIN_LIFETIME_INTRODUCTIONS and + * INTRO_POINT_MAX_LIFETIME_INTRODUCTIONS. */ + int max_introductions; + + /** (Service side only) The time at which this intro point was first + * published, or -1 if this intro point has not yet been + * published. */ + time_t time_published; + + /** (Service side only) The time at which this intro point should + * (start to) expire, or -1 if we haven't decided when this intro + * point should expire. */ + time_t time_to_expire; + + /** (Service side only) The amount of circuit creation we've made to this + * intro point. This is incremented every time we do a circuit relaunch on + * this object which is triggered when the circuit dies but the node is + * still in the consensus. After MAX_INTRO_POINT_CIRCUIT_RETRIES, we give + * up on it. */ + unsigned int circuit_retries; + + /** (Service side only) Set if this intro point has an established circuit + * and unset if it doesn't. */ + unsigned int circuit_established:1; +}; + +#endif + diff --git a/src/or/rendcache.c b/src/or/rendcache.c index 6dd49ee9c..093cbe7ce 100644 --- a/src/or/rendcache.c +++ b/src/or/rendcache.c @@ -15,6 +15,7 @@ #include "routerparse.h" #include "rendcommon.h" +#include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h" /** Map from service id (as generated by rend_get_service_id) to diff --git a/src/or/rendclient.c b/src/or/rendclient.c index 1d12e1829..a48f83fa9 100644 --- a/src/or/rendclient.c +++ b/src/or/rendclient.c @@ -38,6 +38,7 @@ #include "dir_connection_st.h" #include "entry_connection_st.h" #include "origin_circuit_st.h" +#include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h" static extend_info_t *rend_client_get_random_intro_impl( diff --git a/src/or/rendcommon.c b/src/or/rendcommon.c index b2d4b0949..2494311cb 100644 --- a/src/or/rendcommon.c +++ b/src/or/rendcommon.c @@ -34,6 +34,7 @@ #include "cpath_build_state_st.h" #include "crypt_path_st.h" #include "origin_circuit_st.h" +#include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h" /** Return 0 if one and two are the same service ids, else -1 or 1 */ diff --git a/src/or/rendservice.c b/src/or/rendservice.c index e27e8c4fb..d82ea4789 100644 --- a/src/or/rendservice.c +++ b/src/or/rendservice.c @@ -41,6 +41,7 @@ #include "crypt_path_reference_st.h" #include "edge_connection_st.h" #include "origin_circuit_st.h" +#include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h" struct rend_service_t; diff --git a/src/or/routerparse.c b/src/or/routerparse.c index af11bc3d5..20a6f85a4 100644 --- a/src/or/routerparse.c +++ b/src/or/routerparse.c @@ -81,6 +81,7 @@ #include "dirauth/dirvote.h" +#include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h" #include "tor_version_st.h" diff --git a/src/test/rend_test_helpers.c b/src/test/rend_test_helpers.c index 177935edf..fb2e4cf50 100644 --- a/src/test/rend_test_helpers.c +++ b/src/test/rend_test_helpers.c @@ -7,6 +7,7 @@ #include "rendcommon.h" #include "rend_test_helpers.h" +#include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h" void diff --git a/src/test/test.c b/src/test/test.c index 040861560..4476319a4 100644 --- a/src/test/test.c +++ b/src/test/test.c @@ -63,6 +63,7 @@ double fabs(double x); #include "crypto_curve25519.h" #include "or_circuit_st.h" +#include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h" /** Run unit tests for the onion handshake code. */ diff --git a/src/test/test_hs.c b/src/test/test_hs.c index 64448de51..0505285f3 100644 --- a/src/test/test_hs.c +++ b/src/test/test_hs.c @@ -21,6 +21,9 @@ #include "rendservice.h" #include "routerset.h" #include "circuitbuild.h" + +#include "rend_intro_point_st.h" + #include "test_helpers.h" /* mock ID digest and longname for node that's in nodelist */ diff --git a/src/test/test_rendcache.c b/src/test/test_rendcache.c index f1e94eb02..b4b76df88 100644 --- a/src/test/test_rendcache.c +++ b/src/test/test_rendcache.c @@ -12,6 +12,7 @@ #include "config.h" #include "hs_common.h" +#include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h" #include "rend_test_helpers.h"

1 0

[tor/master] Extract circuit_t into its own header
by nickm＠torproject.org 18 Jun '18

18 Jun '18

commit e0830ff7bfd2c30c98b46f766d8ec59bd7ec4101 Author: Nick Mathewson <nickm(a)torproject.org> Date: Fri Jun 15 11:38:36 2018 -0400 Extract circuit_t into its own header --- src/or/circuit_st.h | 170 +++++++++++++++++++++++++++++++++++++++++++++ src/or/include.am | 1 + src/or/or.h | 158 +---------------------------------------- src/or/or_circuit_st.h | 2 + src/or/origin_circuit_st.h | 2 + 5 files changed, 176 insertions(+), 157 deletions(-) diff --git a/src/or/circuit_st.h b/src/or/circuit_st.h new file mode 100644 index 000000000..2c4f72a72 --- /dev/null +++ b/src/or/circuit_st.h @@ -0,0 +1,170 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2017, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef CIRCUIT_ST_H +#define CIRCUIT_ST_H + +#include "or.h" + +/** + * A circuit is a path over the onion routing + * network. Applications can connect to one end of the circuit, and can + * create exit connections at the other end of the circuit. AP and exit + * connections have only one circuit associated with them (and thus these + * connection types are closed when the circuit is closed), whereas + * OR connections multiplex many circuits at once, and stay standing even + * when there are no circuits running over them. + * + * A circuit_t structure can fill one of two roles. First, a or_circuit_t + * links two connections together: either an edge connection and an OR + * connection, or two OR connections. (When joined to an OR connection, a + * circuit_t affects only cells sent to a particular circID on that + * connection. When joined to an edge connection, a circuit_t affects all + * data.) + + * Second, an origin_circuit_t holds the cipher keys and state for sending data + * along a given circuit. At the OP, it has a sequence of ciphers, each + * of which is shared with a single OR along the circuit. Separate + * ciphers are used for data going "forward" (away from the OP) and + * "backward" (towards the OP). At the OR, a circuit has only two stream + * ciphers: one for data going forward, and one for data going backward. + */ +struct circuit_t { + uint32_t magic; /**< For memory and type debugging: must equal + * ORIGIN_CIRCUIT_MAGIC or OR_CIRCUIT_MAGIC. */ + + /** The channel that is next in this circuit. */ + channel_t *n_chan; + + /** + * The circuit_id used in the next (forward) hop of this circuit; + * this is unique to n_chan, but this ordered pair is globally + * unique: + * + * (n_chan->global_identifier, n_circ_id) + */ + circid_t n_circ_id; + + /** + * Circuit mux associated with n_chan to which this circuit is attached; + * NULL if we have no n_chan. + */ + circuitmux_t *n_mux; + + /** Queue of cells waiting to be transmitted on n_chan */ + cell_queue_t n_chan_cells; + + /** + * The hop to which we want to extend this circuit. Should be NULL if + * the circuit has attached to a channel. + */ + extend_info_t *n_hop; + + /** True iff we are waiting for n_chan_cells to become less full before + * allowing p_streams to add any more cells. (Origin circuit only.) */ + unsigned int streams_blocked_on_n_chan : 1; + /** True iff we are waiting for p_chan_cells to become less full before + * allowing n_streams to add any more cells. (OR circuit only.) */ + unsigned int streams_blocked_on_p_chan : 1; + + /** True iff we have queued a delete backwards on this circuit, but not put + * it on the output buffer. */ + unsigned int p_delete_pending : 1; + /** True iff we have queued a delete forwards on this circuit, but not put + * it on the output buffer. */ + unsigned int n_delete_pending : 1; + + /** True iff this circuit has received a DESTROY cell in either direction */ + unsigned int received_destroy : 1; + + uint8_t state; /**< Current status of this circuit. */ + uint8_t purpose; /**< Why are we creating this circuit? */ + + /** How many relay data cells can we package (read from edge streams) + * on this circuit before we receive a circuit-level sendme cell asking + * for more? */ + int package_window; + /** How many relay data cells will we deliver (write to edge streams) + * on this circuit? When deliver_window gets low, we send some + * circuit-level sendme cells to indicate that we're willing to accept + * more. */ + int deliver_window; + + /** Temporary field used during circuits_handle_oom. */ + uint32_t age_tmp; + + /** For storage while n_chan is pending (state CIRCUIT_STATE_CHAN_WAIT). */ + struct create_cell_t *n_chan_create_cell; + + /** When did circuit construction actually begin (ie send the + * CREATE cell or begin cannibalization). + * + * Note: This timer will get reset if we decide to cannibalize + * a circuit. It may also get reset during certain phases of hidden + * service circuit use. + * + * We keep this timestamp with a higher resolution than most so that the + * circuit-build-time tracking code can get millisecond resolution. + */ + struct timeval timestamp_began; + + /** This timestamp marks when the init_circuit_base constructor ran. */ + struct timeval timestamp_created; + + /** When the circuit was first used, or 0 if the circuit is clean. + * + * XXXX Note that some code will artificially adjust this value backward + * in time in order to indicate that a circuit shouldn't be used for new + * streams, but that it can stay alive as long as it has streams on it. + * That's a kludge we should fix. + * + * XXX The CBT code uses this field to record when HS-related + * circuits entered certain states. This usage probably won't + * interfere with this field's primary purpose, but we should + * document it more thoroughly to make sure of that. + * + * XXX The SocksPort option KeepaliveIsolateSOCKSAuth will artificially + * adjust this value forward each time a suitable stream is attached to an + * already constructed circuit, potentially keeping the circuit alive + * indefinitely. + */ + time_t timestamp_dirty; + + uint16_t marked_for_close; /**< Should we close this circuit at the end of + * the main loop? (If true, holds the line number + * where this circuit was marked.) */ + const char *marked_for_close_file; /**< For debugging: in which file was this + * circuit marked for close? */ + /** For what reason (See END_CIRC_REASON...) is this circuit being closed? + * This field is set in circuit_mark_for_close and used later in + * circuit_about_to_free. */ + int marked_for_close_reason; + /** As marked_for_close_reason, but reflects the underlying reason for + * closing this circuit. + */ + int marked_for_close_orig_reason; + + /** Unique ID for measuring tunneled network status requests. */ + uint64_t dirreq_id; + + /** Index in smartlist of all circuits (global_circuitlist). */ + int global_circuitlist_idx; + + /** Various statistics about cells being added to or removed from this + * circuit's queues; used only if CELL_STATS events are enabled and + * cleared after being sent to control port. */ + smartlist_t *testing_cell_stats; + + /** If set, points to an HS token that this circuit might be carrying. + * Used by the HS circuitmap. */ + hs_token_t *hs_token; + /** Hashtable node: used to look up the circuit by its HS token using the HS + circuitmap. */ + HT_ENTRY(circuit_t) hs_circuitmap_node; +}; + +#endif + diff --git a/src/or/include.am b/src/or/include.am index eb8b52e93..83dee5a77 100644 --- a/src/or/include.am +++ b/src/or/include.am @@ -193,6 +193,7 @@ ORHEADERS = \ src/or/circuitmux_ewma.h \ src/or/circuitstats.h \ src/or/circuituse.h \ + src/or/circuit_st.h \ src/or/command.h \ src/or/config.h \ src/or/confparse.h \ diff --git a/src/or/or.h b/src/or/or.h index 61987d825..b9608d152 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -2404,163 +2404,7 @@ typedef struct testing_cell_stats_entry_t { unsigned int exitward:1; /**< 0 for app-ward, 1 for exit-ward. */ } testing_cell_stats_entry_t; -/** - * A circuit is a path over the onion routing - * network. Applications can connect to one end of the circuit, and can - * create exit connections at the other end of the circuit. AP and exit - * connections have only one circuit associated with them (and thus these - * connection types are closed when the circuit is closed), whereas - * OR connections multiplex many circuits at once, and stay standing even - * when there are no circuits running over them. - * - * A circuit_t structure can fill one of two roles. First, a or_circuit_t - * links two connections together: either an edge connection and an OR - * connection, or two OR connections. (When joined to an OR connection, a - * circuit_t affects only cells sent to a particular circID on that - * connection. When joined to an edge connection, a circuit_t affects all - * data.) - - * Second, an origin_circuit_t holds the cipher keys and state for sending data - * along a given circuit. At the OP, it has a sequence of ciphers, each - * of which is shared with a single OR along the circuit. Separate - * ciphers are used for data going "forward" (away from the OP) and - * "backward" (towards the OP). At the OR, a circuit has only two stream - * ciphers: one for data going forward, and one for data going backward. - */ -typedef struct circuit_t { - uint32_t magic; /**< For memory and type debugging: must equal - * ORIGIN_CIRCUIT_MAGIC or OR_CIRCUIT_MAGIC. */ - - /** The channel that is next in this circuit. */ - channel_t *n_chan; - - /** - * The circuit_id used in the next (forward) hop of this circuit; - * this is unique to n_chan, but this ordered pair is globally - * unique: - * - * (n_chan->global_identifier, n_circ_id) - */ - circid_t n_circ_id; - - /** - * Circuit mux associated with n_chan to which this circuit is attached; - * NULL if we have no n_chan. - */ - circuitmux_t *n_mux; - - /** Queue of cells waiting to be transmitted on n_chan */ - cell_queue_t n_chan_cells; - - /** - * The hop to which we want to extend this circuit. Should be NULL if - * the circuit has attached to a channel. - */ - extend_info_t *n_hop; - - /** True iff we are waiting for n_chan_cells to become less full before - * allowing p_streams to add any more cells. (Origin circuit only.) */ - unsigned int streams_blocked_on_n_chan : 1; - /** True iff we are waiting for p_chan_cells to become less full before - * allowing n_streams to add any more cells. (OR circuit only.) */ - unsigned int streams_blocked_on_p_chan : 1; - - /** True iff we have queued a delete backwards on this circuit, but not put - * it on the output buffer. */ - unsigned int p_delete_pending : 1; - /** True iff we have queued a delete forwards on this circuit, but not put - * it on the output buffer. */ - unsigned int n_delete_pending : 1; - - /** True iff this circuit has received a DESTROY cell in either direction */ - unsigned int received_destroy : 1; - - uint8_t state; /**< Current status of this circuit. */ - uint8_t purpose; /**< Why are we creating this circuit? */ - - /** How many relay data cells can we package (read from edge streams) - * on this circuit before we receive a circuit-level sendme cell asking - * for more? */ - int package_window; - /** How many relay data cells will we deliver (write to edge streams) - * on this circuit? When deliver_window gets low, we send some - * circuit-level sendme cells to indicate that we're willing to accept - * more. */ - int deliver_window; - - /** Temporary field used during circuits_handle_oom. */ - uint32_t age_tmp; - - /** For storage while n_chan is pending (state CIRCUIT_STATE_CHAN_WAIT). */ - struct create_cell_t *n_chan_create_cell; - - /** When did circuit construction actually begin (ie send the - * CREATE cell or begin cannibalization). - * - * Note: This timer will get reset if we decide to cannibalize - * a circuit. It may also get reset during certain phases of hidden - * service circuit use. - * - * We keep this timestamp with a higher resolution than most so that the - * circuit-build-time tracking code can get millisecond resolution. - */ - struct timeval timestamp_began; - - /** This timestamp marks when the init_circuit_base constructor ran. */ - struct timeval timestamp_created; - - /** When the circuit was first used, or 0 if the circuit is clean. - * - * XXXX Note that some code will artificially adjust this value backward - * in time in order to indicate that a circuit shouldn't be used for new - * streams, but that it can stay alive as long as it has streams on it. - * That's a kludge we should fix. - * - * XXX The CBT code uses this field to record when HS-related - * circuits entered certain states. This usage probably won't - * interfere with this field's primary purpose, but we should - * document it more thoroughly to make sure of that. - * - * XXX The SocksPort option KeepaliveIsolateSOCKSAuth will artificially - * adjust this value forward each time a suitable stream is attached to an - * already constructed circuit, potentially keeping the circuit alive - * indefinitely. - */ - time_t timestamp_dirty; - - uint16_t marked_for_close; /**< Should we close this circuit at the end of - * the main loop? (If true, holds the line number - * where this circuit was marked.) */ - const char *marked_for_close_file; /**< For debugging: in which file was this - * circuit marked for close? */ - /** For what reason (See END_CIRC_REASON...) is this circuit being closed? - * This field is set in circuit_mark_for_close and used later in - * circuit_about_to_free. */ - int marked_for_close_reason; - /** As marked_for_close_reason, but reflects the underlying reason for - * closing this circuit. - */ - int marked_for_close_orig_reason; - - /** Unique ID for measuring tunneled network status requests. */ - uint64_t dirreq_id; - - /** Index in smartlist of all circuits (global_circuitlist). */ - int global_circuitlist_idx; - - /** Various statistics about cells being added to or removed from this - * circuit's queues; used only if CELL_STATS events are enabled and - * cleared after being sent to control port. */ - smartlist_t *testing_cell_stats; - - /** If set, points to an HS token that this circuit might be carrying. - * Used by the HS circuitmap. */ - hs_token_t *hs_token; - /** Hashtable node: used to look up the circuit by its HS token using the HS - circuitmap. */ - HT_ENTRY(circuit_t) hs_circuitmap_node; -} circuit_t; - +typedef struct circuit_t circuit_t; typedef struct origin_circuit_t origin_circuit_t; typedef struct or_circuit_t or_circuit_t; diff --git a/src/or/or_circuit_st.h b/src/or/or_circuit_st.h index 19c39f8e6..f76737fbd 100644 --- a/src/or/or_circuit_st.h +++ b/src/or/or_circuit_st.h @@ -9,6 +9,8 @@ #include "or.h" +#include "circuit_st.h" + struct onion_queue_t; /** An or_circuit_t holds information needed to implement a circuit at an diff --git a/src/or/origin_circuit_st.h b/src/or/origin_circuit_st.h index e995776c2..1ea9926db 100644 --- a/src/or/origin_circuit_st.h +++ b/src/or/origin_circuit_st.h @@ -9,6 +9,8 @@ #include "or.h" +#include "circuit_st.h" + struct onion_queue_t; /** An origin_circuit_t holds data necessary to build and use a circuit.

1 0

[tor/master] Split rend_authorized_client_t and encoded_.._t into their own headers
by nickm＠torproject.org 18 Jun '18

18 Jun '18

commit 5cdc2343302f8fec9d71a6f1e7ec28befb7379cf Author: Nick Mathewson <nickm(a)torproject.org> Date: Fri Jun 15 12:36:59 2018 -0400 Split rend_authorized_client_t and encoded_.._t into their own headers --- src/or/control.c | 2 ++ src/or/include.am | 2 ++ src/or/or.h | 15 +++------------ src/or/rend_authorized_client_st.h | 18 ++++++++++++++++++ src/or/rend_encoded_v2_service_descriptor_st.h | 17 +++++++++++++++++ src/or/rendcommon.c | 1 + src/or/rendservice.c | 2 ++ src/or/routerparse.c | 1 + src/test/test.c | 1 + src/test/test_dir_handle_get.c | 1 + src/test/test_hs.c | 1 + src/test/test_rendcache.c | 1 + 12 files changed, 50 insertions(+), 12 deletions(-) diff --git a/src/or/control.c b/src/or/control.c index 401135ca8..966ddfa8c 100644 --- a/src/or/control.c +++ b/src/or/control.c @@ -87,6 +87,8 @@ #include "or_connection_st.h" #include "or_circuit_st.h" #include "origin_circuit_st.h" +#include "rend_authorized_client_st.h" +#include "rend_encoded_v2_service_descriptor_st.h" #include "rend_service_descriptor_st.h" #ifndef _WIN32 diff --git a/src/or/include.am b/src/or/include.am index ede01c79e..353d52ea2 100644 --- a/src/or/include.am +++ b/src/or/include.am @@ -279,6 +279,8 @@ ORHEADERS = \ src/or/rendcommon.h \ src/or/rendmid.h \ src/or/rendservice.h \ + src/or/rend_authorized_client_st.h \ + src/or/rend_encoded_v2_service_descriptor_st.h \ src/or/rend_intro_point_st.h \ src/or/rend_service_descriptor_st.h \ src/or/rephist.h \ diff --git a/src/or/or.h b/src/or/or.h index 41953806a..d390c47bf 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -4038,18 +4038,9 @@ typedef enum { /********************************* rendcommon.c ***************************/ -/** Hidden-service side configuration of client authorization. */ -typedef struct rend_authorized_client_t { - char *client_name; - uint8_t descriptor_cookie[REND_DESC_COOKIE_LEN]; - crypto_pk_t *client_key; -} rend_authorized_client_t; - -/** ASCII-encoded v2 hidden service descriptor. */ -typedef struct rend_encoded_v2_service_descriptor_t { - char desc_id[DIGEST_LEN]; /**< Descriptor ID. */ - char *desc_str; /**< Descriptor string. */ -} rend_encoded_v2_service_descriptor_t; +typedef struct rend_authorized_client_t rend_authorized_client_t; +typedef struct rend_encoded_v2_service_descriptor_t + rend_encoded_v2_service_descriptor_t; /** The maximum number of non-circuit-build-timeout failures a hidden * service client will tolerate while trying to build a circuit to an diff --git a/src/or/rend_authorized_client_st.h b/src/or/rend_authorized_client_st.h new file mode 100644 index 000000000..e06620fb8 --- /dev/null +++ b/src/or/rend_authorized_client_st.h @@ -0,0 +1,18 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2017, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef REND_AUTHORIZED_CLIENT_ST_H +#define REND_AUTHORIZED_CLIENT_ST_H + +/** Hidden-service side configuration of client authorization. */ +struct rend_authorized_client_t { + char *client_name; + uint8_t descriptor_cookie[REND_DESC_COOKIE_LEN]; + crypto_pk_t *client_key; +}; + +#endif + diff --git a/src/or/rend_encoded_v2_service_descriptor_st.h b/src/or/rend_encoded_v2_service_descriptor_st.h new file mode 100644 index 000000000..05176eb01 --- /dev/null +++ b/src/or/rend_encoded_v2_service_descriptor_st.h @@ -0,0 +1,17 @@ +/* Copyright (c) 2001 Matej Pfajfar. + * Copyright (c) 2001-2004, Roger Dingledine. + * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson. + * Copyright (c) 2007-2017, The Tor Project, Inc. */ +/* See LICENSE for licensing information */ + +#ifndef REND_ENCODED_V2_SERVICE_DESCRIPTOR_ST_H +#define REND_ENCODED_V2_SERVICE_DESCRIPTOR_ST_H + +/** ASCII-encoded v2 hidden service descriptor. */ +struct rend_encoded_v2_service_descriptor_t { + char desc_id[DIGEST_LEN]; /**< Descriptor ID. */ + char *desc_str; /**< Descriptor string. */ +}; + +#endif + diff --git a/src/or/rendcommon.c b/src/or/rendcommon.c index 2494311cb..0ab42fb42 100644 --- a/src/or/rendcommon.c +++ b/src/or/rendcommon.c @@ -34,6 +34,7 @@ #include "cpath_build_state_st.h" #include "crypt_path_st.h" #include "origin_circuit_st.h" +#include "rend_encoded_v2_service_descriptor_st.h" #include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h" diff --git a/src/or/rendservice.c b/src/or/rendservice.c index d82ea4789..4a8b7a0e1 100644 --- a/src/or/rendservice.c +++ b/src/or/rendservice.c @@ -41,6 +41,8 @@ #include "crypt_path_reference_st.h" #include "edge_connection_st.h" #include "origin_circuit_st.h" +#include "rend_authorized_client_st.h" +#include "rend_encoded_v2_service_descriptor_st.h" #include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h" diff --git a/src/or/routerparse.c b/src/or/routerparse.c index 20a6f85a4..e75dc2ee9 100644 --- a/src/or/routerparse.c +++ b/src/or/routerparse.c @@ -81,6 +81,7 @@ #include "dirauth/dirvote.h" +#include "rend_authorized_client_st.h" #include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h" #include "tor_version_st.h" diff --git a/src/test/test.c b/src/test/test.c index 4476319a4..871498aa0 100644 --- a/src/test/test.c +++ b/src/test/test.c @@ -63,6 +63,7 @@ double fabs(double x); #include "crypto_curve25519.h" #include "or_circuit_st.h" +#include "rend_encoded_v2_service_descriptor_st.h" #include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h" diff --git a/src/test/test_dir_handle_get.c b/src/test/test_dir_handle_get.c index 188735a54..ff9740b91 100644 --- a/src/test/test_dir_handle_get.c +++ b/src/test/test_dir_handle_get.c @@ -36,6 +36,7 @@ #include "dir_connection_st.h" #include "dir_server_st.h" +#include "rend_encoded_v2_service_descriptor_st.h" #ifdef _WIN32 /* For mkdir() */ diff --git a/src/test/test_hs.c b/src/test/test_hs.c index 0505285f3..9343d131f 100644 --- a/src/test/test_hs.c +++ b/src/test/test_hs.c @@ -22,6 +22,7 @@ #include "routerset.h" #include "circuitbuild.h" +#include "rend_encoded_v2_service_descriptor_st.h" #include "rend_intro_point_st.h" #include "test_helpers.h" diff --git a/src/test/test_rendcache.c b/src/test/test_rendcache.c index b4b76df88..e5d531617 100644 --- a/src/test/test_rendcache.c +++ b/src/test/test_rendcache.c @@ -12,6 +12,7 @@ #include "config.h" #include "hs_common.h" +#include "rend_encoded_v2_service_descriptor_st.h" #include "rend_intro_point_st.h" #include "rend_service_descriptor_st.h"

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tor-commits June 2018