tor-commits July 2011

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868 discussions

[tor/master] For accuracy, s/exit_allows_optimistic_data/may_use_optimistic_data/
by nickm＠torproject.org 20 Jul '11

20 Jul '11

commit cd3709a2b093122b8d80f21690edeb0dc69837ff Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jul 20 11:02:39 2011 -0400 For accuracy, s/exit_allows_optimistic_data/may_use_optimistic_data/ --- src/or/circuituse.c | 8 ++++---- src/or/connection_edge.c | 2 +- src/or/or.h | 7 ++++--- 3 files changed, 9 insertions(+), 8 deletions(-) diff --git a/src/or/circuituse.c b/src/or/circuituse.c index 9fbe5fe..acfdc23 100644 --- a/src/or/circuituse.c +++ b/src/or/circuituse.c @@ -739,7 +739,7 @@ circuit_detach_stream(circuit_t *circ, edge_connection_t *conn) tor_assert(conn); conn->cpath_layer = NULL; /* make sure we don't keep a stale pointer */ - conn->exit_allows_optimistic_data = 0; + conn->may_use_optimistic_data = 0; conn->on_circuit = NULL; if (CIRCUIT_IS_ORIGIN(circ)) { @@ -1597,13 +1597,13 @@ link_apconn_to_circ(edge_connection_t *apconn, origin_circuit_t *circ, if (optimistic_data_enabled() && circ->_base.purpose == CIRCUIT_PURPOSE_C_GENERAL && exitnode->rs->version_supports_optimistic_data) - apconn->exit_allows_optimistic_data = 1; + apconn->may_use_optimistic_data = 1; else - apconn->exit_allows_optimistic_data = 0; + apconn->may_use_optimistic_data = 0; log_info(LD_APP, "Looks like completed circuit to %s %s allow " "optimistic data for connection to %s", safe_str_client(node_describe(exitnode)), - apconn->exit_allows_optimistic_data ? "does" : "doesn't", + apconn->may_use_optimistic_data ? "does" : "doesn't", safe_str_client(apconn->socks_request->address)); } } diff --git a/src/or/connection_edge.c b/src/or/connection_edge.c index 72394e8..a7e3c16 100644 --- a/src/or/connection_edge.c +++ b/src/or/connection_edge.c @@ -2372,7 +2372,7 @@ connection_ap_supports_optimistic_data(const edge_connection_t *conn) conn->on_circuit->purpose != CIRCUIT_PURPOSE_C_GENERAL) return 0; - return conn->exit_allows_optimistic_data; + return conn->may_use_optimistic_data; } /** Write a relay begin cell, using destaddr and destport from ap_conn's diff --git a/src/or/or.h b/src/or/or.h index c518b4c..d6d8c7a 100644 --- a/src/or/or.h +++ b/src/or/or.h @@ -1269,9 +1269,10 @@ typedef struct edge_connection_t { unsigned int is_transparent_ap:1; /** For AP connections only: Set if this connection's target exit node - * allows optimistic data. (That is, data sent on this stream before - * the exit has sent a CONNECTED cell.)*/ - unsigned int exit_allows_optimistic_data : 1; + * allows optimistic data (that is, data sent on this stream before + * the exit has sent a CONNECTED cell) and we have chosen to use it. + */ + unsigned int may_use_optimistic_data : 1; /** For AP connections only: buffer for data that we have sent * optimistically, which we might need to re-send if we have to

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[tor/master] Don't assert for listener connections
by nickm＠torproject.org 20 Jul '11

20 Jul '11

commit 9b0d3719ae3d1e9416cffcce1267fdacfcf765e9 Author: Sebastian Hahn <sebastian(a)torproject.org> Date: Wed Jul 20 19:42:11 2011 +0200 Don't assert for listener connections --- src/or/connection.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/src/or/connection.c b/src/or/connection.c index d2ee1ae..c4b320e 100644 --- a/src/or/connection.c +++ b/src/or/connection.c @@ -3939,6 +3939,9 @@ assert_connection_ok(connection_t *conn, time_t now) case CONN_TYPE_CONTROL: tor_assert(conn->magic == CONTROL_CONNECTION_MAGIC); break; + CASE_ANY_LISTENER_TYPE: + tor_assert(conn->magic == LISTENER_CONNECTION_MAGIC); + break; default: tor_assert(conn->magic == BASE_CONNECTION_MAGIC); break;

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[tor/master] Check for port config before addr config in client port options
by nickm＠torproject.org 20 Jul '11

20 Jul '11

commit e05ddf3e18a019b7db833448c666cbf056444d0d Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jul 20 13:40:09 2011 -0400 Check for port config before addr config in client port options Otherwise, we'll fail, since "9050" looks like a perfectly fine address. --- src/or/config.c | 19 +++++++++++-------- 1 files changed, 11 insertions(+), 8 deletions(-) diff --git a/src/or/config.c b/src/or/config.c index 7a96304..96d5095 100644 --- a/src/or/config.c +++ b/src/or/config.c @@ -5039,20 +5039,23 @@ parse_client_port_config(smartlist_t *out, tor_free(addrtmp); goto err; } - } else if (tor_addr_port_parse(addrport, &addr, &ptmp) == 0) { - if (ptmp == 0) { - log_warn(LD_CONFIG, "%sPort line has address but no port", portname); - goto err; - } - port = ptmp; } else { + /* Try parsing integer port before address, because, who knows? + "9050" might be a valid address. */ port = (int) tor_parse_long(addrport, 10, 0, 65535, &ok, NULL); - if (!ok) { + if (ok) { + tor_addr_from_str(&addr, defaultaddr); + } else if (tor_addr_port_parse(addrport, &addr, &ptmp) == 0) { + if (ptmp == 0) { + log_warn(LD_CONFIG, "%sPort line has address but no port", portname); + goto err; + } + port = ptmp; + } else { log_warn(LD_CONFIG, "Couldn't parse address '%s' for %sPort", escaped(addrport), portname); goto err; } - tor_addr_from_str(&addr, defaultaddr); } /* Now parse the rest of the options, if any. */

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[tor/master] Oops: we need to call parse_client_ports with validate_only==0 at least once
by nickm＠torproject.org 20 Jul '11

20 Jul '11

commit 6fa99ab32feda0e7866b9439fc6644693c56f134 Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jul 20 13:35:02 2011 -0400 Oops: we need to call parse_client_ports with validate_only==0 at least once --- src/or/config.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/src/or/config.c b/src/or/config.c index 1ad4a34..7a96304 100644 --- a/src/or/config.c +++ b/src/or/config.c @@ -1017,6 +1017,7 @@ options_act_reversible(const or_options_t *old_options, char **msg) #endif if (running_tor) { + int n_client_ports=0; /* We need to set the connection limit before we can open the listeners. */ if (set_max_file_descriptors((unsigned)options->ConnLimit, &options->_ConnLimit) < 0) { @@ -1032,6 +1033,10 @@ options_act_reversible(const or_options_t *old_options, char **msg) libevent_initialized = 1; } + /* Adjust the client port configuration so we can launch listeners. */ + if (parse_client_ports(options, 0, msg, &n_client_ports)) + return -1; + /* Launch the listeners. (We do this before we setuid, so we can bind to * ports under 1024.) We don't want to rebind if we're hibernating. */ if (!we_are_hibernating()) {

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[tor/master] Check return value in fmt_addr
by nickm＠torproject.org 20 Jul '11

20 Jul '11

commit 718252b253049f84fefa14e212cf560838e6607c Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jul 20 13:16:06 2011 -0400 Check return value in fmt_addr Previously, if tor_addr_to_str() returned NULL, we would reuse the last value returned by fmt_addr(). (This could happen if we were erroneously asked to format an AF_UNSPEC address.) Now instead we return "???". --- changes/fmt_addr | 4 ++++ src/common/address.c | 6 ++++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/changes/fmt_addr b/changes/fmt_addr new file mode 100644 index 0000000..b88c9e1 --- /dev/null +++ b/changes/fmt_addr @@ -0,0 +1,4 @@ + o Minor bugfixes: + - When unable to format an address as a string, report its value + as "???" rather than reusing the last formatted address. Bugfix + on 0.2.1.5-alpha. diff --git a/src/common/address.c b/src/common/address.c index 1c72539..7fc7301 100644 --- a/src/common/address.c +++ b/src/common/address.c @@ -958,8 +958,10 @@ fmt_addr(const tor_addr_t *addr) { static char buf[TOR_ADDR_BUF_LEN]; if (!addr) return "<null>"; - tor_addr_to_str(buf, addr, sizeof(buf), 0); - return buf; + if (tor_addr_to_str(buf, addr, sizeof(buf), 0)) + return buf; + else + return "???"; } /** Convert the string in src to a tor_addr_t addr. The string

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[tor/master] Merge remote-tracking branch 'origin/maint-0.2.2'
by nickm＠torproject.org 20 Jul '11

20 Jul '11

commit 1d7beea2ab513c31845abb61d79fb5960b038e4b Merge: 2a6d12c 718252b Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jul 20 13:17:59 2011 -0400 Merge remote-tracking branch 'origin/maint-0.2.2' changes/fmt_addr | 4 ++++ src/common/address.c | 6 ++++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --cc src/common/address.c index d0c2d5e,7fc7301..26a59e9 --- a/src/common/address.c +++ b/src/common/address.c @@@ -958,23 -958,12 +958,25 @@@ fmt_addr(const tor_addr_t *addr { static char buf[TOR_ADDR_BUF_LEN]; if (!addr) return "<null>"; - tor_addr_to_str(buf, addr, sizeof(buf), 0); - return buf; + if (tor_addr_to_str(buf, addr, sizeof(buf), 0)) + return buf; + else + return "???"; } +/** Like fmt_addr(), but takes addr as a host-order IPv4 + * addresses. Also not thread-safe, also clobbers its return buffer on + * repeated calls. */ +const char * +fmt_addr32(uint32_t addr) +{ + static char buf[INET_NTOA_BUF_LEN]; + struct in_addr in; + in.s_addr = htonl(addr); + tor_inet_ntoa(&in, buf, sizeof(buf)); + return buf; +} + /** Convert the string in src to a tor_addr_t addr. The string * may be an IPv4 address, an IPv6 address, or an IPv6 address surrounded by * square brackets.

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[tor/maint-0.2.2] Check return value in fmt_addr
by nickm＠torproject.org 20 Jul '11

20 Jul '11

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[tor/master] Fix a warning message. (Found by rransom)
by nickm＠torproject.org 20 Jul '11

20 Jul '11

commit 2a6d12c7adafe679882195b15d6245f2888d12ee Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jul 20 13:15:04 2011 -0400 Fix a warning message. (Found by rransom) --- src/or/config.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/src/or/config.c b/src/or/config.c index efee014..1ad4a34 100644 --- a/src/or/config.c +++ b/src/or/config.c @@ -4941,7 +4941,7 @@ parse_client_port_config(smartlist_t *out, mainport = (int)tor_parse_long(ports->value, 10, 0, 65535, &ok, NULL); if (!ok) { log_warn(LD_CONFIG, "%sListenAddress can only be used with a single " - "%sPort with value \"auto\" or 65535.", portname, portname); + "%sPort with value \"auto\" or 1-65535.", portname, portname); return -1; } }

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[tor/master] Initialize listener connection addr fields properly
by nickm＠torproject.org 20 Jul '11

20 Jul '11

commit 6b228726bc44911b68d9757f13ba0642bbf04d43 Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jul 20 13:11:29 2011 -0400 Initialize listener connection addr fields properly --- src/or/connection.c | 9 ++++++--- 1 files changed, 6 insertions(+), 3 deletions(-) diff --git a/src/or/connection.c b/src/or/connection.c index 38859a9..d2ee1ae 100644 --- a/src/or/connection.c +++ b/src/or/connection.c @@ -876,6 +876,7 @@ connection_create_listener(const struct sockaddr *listensockaddr, uint16_t usePort = 0, gotPort = 0; int start_reading = 0; static int global_next_session_group = SESSION_GROUP_FIRST_AUTO; + tor_addr_t addr; if (get_n_open_sockets() >= get_options()->_ConnLimit-1) { warn_too_many_conns(); @@ -883,7 +884,6 @@ connection_create_listener(const struct sockaddr *listensockaddr, } if (listensockaddr->sa_family == AF_INET) { - tor_addr_t addr; int is_tcp = (type != CONN_TYPE_AP_DNS_LISTENER); if (is_tcp) start_reading = 1; @@ -951,6 +951,8 @@ connection_create_listener(const struct sockaddr *listensockaddr, log_notice(LD_NET, "Opening %s on %s", conn_type_to_string(type), address); + tor_addr_make_unspec(&addr); + if (unlink(address) < 0 && errno != ENOENT) { log_warn(LD_NET, "Could not unlink %s: %s", address, strerror(errno)); @@ -998,6 +1000,7 @@ connection_create_listener(const struct sockaddr *listensockaddr, conn->s = s; conn->address = tor_strdup(address); conn->port = gotPort; + tor_addr_copy(&conn->addr, &addr); if (port_cfg->isolation_flags) { lis_conn->isolation_flags = port_cfg->isolation_flags; @@ -1804,8 +1807,8 @@ retry_listener_ports(smartlist_t *old_conns, if (found_port) { /* This listener is already running; we don't need to launch it. */ -// log_debug(LD_NET, "Already have %s on %s:%d", -// conn_type_to_string(type), conn->address, conn->port); + //log_debug(LD_NET, "Already have %s on %s:%d", + // conn_type_to_string(found_port->type), conn->address, conn->port); smartlist_remove(launch, found_port); /* And we can remove the connection from old_conns too. */ SMARTLIST_DEL_CURRENT(old_conns, conn);

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[tor/master] Add a missing break in a switch statement
by nickm＠torproject.org 20 Jul '11

20 Jul '11

commit da83da91993f0b939ed80c2f8353b0db50589f8e Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jul 20 12:58:26 2011 -0400 Add a missing break in a switch statement --- src/or/connection.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/src/or/connection.c b/src/or/connection.c index 3950f90..38859a9 100644 --- a/src/or/connection.c +++ b/src/or/connection.c @@ -345,6 +345,7 @@ connection_init(time_t now, connection_t *conn, int type, int socket_family) break; CASE_ANY_LISTENER_TYPE: conn->magic = LISTENER_CONNECTION_MAGIC; + break; default: conn->magic = BASE_CONNECTION_MAGIC; break;

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tor-commits July 2011