tor-commits January 2012

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[tor/master] Use SOCKET_OK macros in even more places
by nickm＠torproject.org 18 Jan '12

18 Jan '12

commit 6e8c2a3e46e3578b0268d422b1753995d18fb734 Author: Nick Mathewson <nickm(a)torproject.org> Date: Tue Jan 17 16:35:07 2012 -0500 Use SOCKET_OK macros in even more places Add a TOR_INVALID_SOCKET macro to wrap -1/INVALID_SOCKET. Partial work for bug4533. --- changes/tor_socket_tests | 8 ++++++++ src/common/compat.c | 14 +++++++------- src/common/compat.h | 8 ++++++++ src/or/buffers.c | 4 ++-- src/or/connection.c | 16 ++++++++-------- src/or/cpuworker.c | 4 ++-- src/or/dns.c | 8 ++++---- 7 files changed, 39 insertions(+), 23 deletions(-) diff --git a/changes/tor_socket_tests b/changes/tor_socket_tests new file mode 100644 index 0000000..5857d20 --- /dev/null +++ b/changes/tor_socket_tests @@ -0,0 +1,8 @@ + o Minor bugfixes: + - Find more places in the code that should have been testing for + invalid sockets using the SOCKET_OK macro. Required for a fix + for bug 4533. Bugfix on 0.2.2.28-beta. + + o Code simplification and refactoring: + - Use a TOR_INVALID_SOCKET macro when initializing a socket to an + invalid value, rather than just -1. diff --git a/src/common/compat.c b/src/common/compat.c index 3af43e8..7f89037 100644 --- a/src/common/compat.c +++ b/src/common/compat.c @@ -1053,17 +1053,17 @@ tor_socketpair(int family, int type, int protocol, tor_socket_t fd[2]) r = socketpair(family, type, protocol, fd); if (r == 0) { #if !defined(SOCK_CLOEXEC) && defined(FD_CLOEXEC) - if (fd[0] >= 0) + if (SOCKET_OK(fd[0])) fcntl(fd[0], F_SETFD, FD_CLOEXEC); - if (fd[1] >= 0) + if (SOCKET_OK(fd[1])) fcntl(fd[1], F_SETFD, FD_CLOEXEC); #endif socket_accounting_lock(); - if (fd[0] >= 0) { + if (SOCKET_OK(fd[0])) { ++n_sockets_open; mark_socket_open(fd[0]); } - if (fd[1] >= 0) { + if (SOCKET_OK(fd[1])) { ++n_sockets_open; mark_socket_open(fd[1]); } @@ -1100,7 +1100,7 @@ tor_socketpair(int family, int type, int protocol, tor_socket_t fd[2]) } listener = tor_open_socket(AF_INET, type, 0); - if (listener < 0) + if (!SOCKET_OK(listener)) return -tor_socket_errno(-1); memset(&listen_addr, 0, sizeof(listen_addr)); listen_addr.sin_family = AF_INET; @@ -1113,7 +1113,7 @@ tor_socketpair(int family, int type, int protocol, tor_socket_t fd[2]) goto tidy_up_and_fail; connector = tor_open_socket(AF_INET, type, 0); - if (connector < 0) + if (!SOCKET_OK(connector)) goto tidy_up_and_fail; /* We want to find out the port number to connect to. */ size = sizeof(connect_addr); @@ -1128,7 +1128,7 @@ tor_socketpair(int family, int type, int protocol, tor_socket_t fd[2]) size = sizeof(listen_addr); acceptor = tor_accept_socket(listener, (struct sockaddr *) &listen_addr, &size); - if (acceptor < 0) + if (!SOCKET_OK(acceptor)) goto tidy_up_and_fail; if (size != sizeof(listen_addr)) goto abort_tidy_up_and_fail; diff --git a/src/common/compat.h b/src/common/compat.h index 2db8107..1b79565 100644 --- a/src/common/compat.h +++ b/src/common/compat.h @@ -399,11 +399,19 @@ typedef int socklen_t; #endif #ifdef MS_WINDOWS +/* XXX Actually, this should arguably be SOCKET; we use intptr_t here so that + * any inadvertant checks for the socket being <= 0 or > 0 will probably + * still work. */ #define tor_socket_t intptr_t #define SOCKET_OK(s) ((unsigned)(s) != INVALID_SOCKET) +#define TOR_INVALID_SOCKET INVALID_SOCKET #else +/** Type used for a network socket. */ #define tor_socket_t int +/** Macro: true iff 's' is a possible value for a valid initialized socket. */ #define SOCKET_OK(s) ((s) >= 0) +/** Error/uninitialized value for a tor_socket_t. */ +#define TOR_INVALID_SOCKET (-1) #endif int tor_close_socket(tor_socket_t s); diff --git a/src/or/buffers.c b/src/or/buffers.c index 7c49423..dbecf12 100644 --- a/src/or/buffers.c +++ b/src/or/buffers.c @@ -690,7 +690,7 @@ read_to_buf(tor_socket_t s, size_t at_most, buf_t *buf, int *reached_eof, check(); tor_assert(reached_eof); - tor_assert(s >= 0); + tor_assert(SOCKET_OK(s)); while (at_most > total_read) { size_t readlen = at_most - total_read; @@ -858,7 +858,7 @@ flush_buf(tor_socket_t s, buf_t *buf, size_t sz, size_t *buf_flushlen) int r; size_t flushed = 0; tor_assert(buf_flushlen); - tor_assert(s >= 0); + tor_assert(SOCKET_OK(s)); tor_assert(*buf_flushlen <= buf->datalen); tor_assert(sz <= *buf_flushlen); diff --git a/src/or/connection.c b/src/or/connection.c index 3e44516..14dfe0a 100644 --- a/src/or/connection.c +++ b/src/or/connection.c @@ -372,7 +372,7 @@ connection_init(time_t now, connection_t *conn, int type, int socket_family) break; } - conn->s = -1; /* give it a default of 'not used' */ + conn->s = TOR_INVALID_SOCKET; /* give it a default of 'not used' */ conn->conn_array_index = -1; /* also default to 'not used' */ conn->global_identifier = n_connections_allocated++; @@ -395,8 +395,8 @@ connection_init(time_t now, connection_t *conn, int type, int socket_family) void connection_link_connections(connection_t *conn_a, connection_t *conn_b) { - tor_assert(conn_a->s < 0); - tor_assert(conn_b->s < 0); + tor_assert(! SOCKET_OK(conn_a->s)); + tor_assert(! SOCKET_OK(conn_b->s)); conn_a->linked = 1; conn_b->linked = 1; @@ -540,7 +540,7 @@ _connection_free(connection_t *conn) if (SOCKET_OK(conn->s)) { log_debug(LD_NET,"closing fd %d.",(int)conn->s); tor_close_socket(conn->s); - conn->s = -1; + conn->s = TOR_INVALID_SOCKET; } if (conn->type == CONN_TYPE_OR && @@ -625,7 +625,7 @@ connection_about_to_close_connection(connection_t *conn) /** Return true iff connection_close_immediate() has been called on this * connection. */ #define CONN_IS_CLOSED(c) \ - ((c)->linked ? ((c)->linked_conn_is_closed) : ((c)->s < 0)) + ((c)->linked ? ((c)->linked_conn_is_closed) : (! SOCKET_OK(c->s))) /** Close the underlying socket for <b>conn</b>, so we don't try to * flush it. Must be used in conjunction with (right before) @@ -651,7 +651,7 @@ connection_close_immediate(connection_t *conn) if (SOCKET_OK(conn->s)) tor_close_socket(conn->s); - conn->s = -1; + conn->s = TOR_INVALID_SOCKET; if (conn->linked) conn->linked_conn_is_closed = 1; if (conn->outbuf) @@ -958,7 +958,7 @@ connection_create_listener(const struct sockaddr *listensockaddr, goto err; } s = tor_open_socket(AF_UNIX, SOCK_STREAM, 0); - if (s < 0) { + if (! SOCKET_OK(s)) { log_warn(LD_NET,"Socket creation failed: %s.", strerror(errno)); goto err; } @@ -1331,7 +1331,7 @@ connection_connect(connection_t *conn, const char *address, } s = tor_open_socket(protocol_family,SOCK_STREAM,IPPROTO_TCP); - if (s < 0) { + if (! SOCKET_OK(s)) { *socket_error = tor_socket_errno(-1); log_warn(LD_NET,"Error creating network socket: %s", tor_socket_strerror(*socket_error)); diff --git a/src/or/cpuworker.c b/src/or/cpuworker.c index e4460c5..ed31d35 100644 --- a/src/or/cpuworker.c +++ b/src/or/cpuworker.c @@ -329,8 +329,8 @@ spawn_cpuworker(void) return -1; } - tor_assert(fdarray[0] >= 0); - tor_assert(fdarray[1] >= 0); + tor_assert(SOCKET_OK(fdarray[0])); + tor_assert(SOCKET_OK(fdarray[1])); fd = fdarray[0]; spawn_func(cpuworker_main, (void*)fdarray); diff --git a/src/or/dns.c b/src/or/dns.c index beb110a..7a505b0 100644 --- a/src/or/dns.c +++ b/src/or/dns.c @@ -454,7 +454,7 @@ purge_expired_resolves(time_t now) pend = resolve->pending_connections; resolve->pending_connections = pend->next; /* Connections should only be pending if they have no socket. */ - tor_assert(pend->conn->_base.s == -1); + tor_assert(pend->conn->_base.s == TOR_INVALID_SOCKET); pendconn = pend->conn; connection_edge_end(pendconn, END_STREAM_REASON_TIMEOUT); circuit_detach_stream(circuit_get_by_edge_conn(pendconn), pendconn); @@ -681,7 +681,7 @@ dns_resolve_impl(edge_connection_t *exitconn, int is_resolve, uint8_t is_reverse = 0; int r; assert_connection_ok(TO_CONN(exitconn), 0); - tor_assert(exitconn->_base.s == -1); + tor_assert(exitconn->_base.s == TOR_INVALID_SOCKET); assert_cache_ok(); tor_assert(oncirc); @@ -849,7 +849,7 @@ assert_all_pending_dns_resolves_ok(void) pend; pend = pend->next) { assert_connection_ok(TO_CONN(pend->conn), 0); - tor_assert(pend->conn->_base.s == -1); + tor_assert(pend->conn->_base.s == TOR_INVALID_SOCKET); tor_assert(!connection_in_array(TO_CONN(pend->conn))); } } @@ -955,7 +955,7 @@ dns_cancel_pending_resolve(const char *address) pend->conn->_base.state = EXIT_CONN_STATE_RESOLVEFAILED; pendconn = pend->conn; assert_connection_ok(TO_CONN(pendconn), 0); - tor_assert(pendconn->_base.s == -1); + tor_assert(pendconn->_base.s == TOR_INVALID_SOCKET); if (!pendconn->_base.marked_for_close) { connection_edge_end(pendconn, END_STREAM_REASON_RESOLVEFAILED); }

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[tor/master] Warn if sizeof(tor_socket_t) != sizeof(SOCKET)
by nickm＠torproject.org 18 Jan '12

18 Jan '12

commit dea0720dadea8f3915901833115726f4ba0d48f4 Author: Nick Mathewson <nickm(a)torproject.org> Date: Tue Jan 17 16:38:47 2012 -0500 Warn if sizeof(tor_socket_t) != sizeof(SOCKET) --- changes/tor_socket_tests | 3 +++ src/common/compat.c | 5 +++++ 2 files changed, 8 insertions(+), 0 deletions(-) diff --git a/changes/tor_socket_tests b/changes/tor_socket_tests index 5857d20..b7ee325 100644 --- a/changes/tor_socket_tests +++ b/changes/tor_socket_tests @@ -2,6 +2,9 @@ - Find more places in the code that should have been testing for invalid sockets using the SOCKET_OK macro. Required for a fix for bug 4533. Bugfix on 0.2.2.28-beta. + - Detect attempts to build Tor on (as yet hypothetical) versions + of Windows where sizeof(intptr_t) != sizeof(SOCKET). Partial + fix for bug 4533. Bugfix on 0.2.2.28-beta. o Code simplification and refactoring: - Use a TOR_INVALID_SOCKET macro when initializing a socket to an diff --git a/src/common/compat.c b/src/common/compat.c index 7f89037..1f9066d 100644 --- a/src/common/compat.c +++ b/src/common/compat.c @@ -2889,6 +2889,11 @@ network_init(void) log_warn(LD_NET,"Error initializing windows network layer: code was %d",r); return -1; } + if (sizeof(SOCKET) != sizeof(tor_socket_t)) { + log_warn(LD_BUG,"The tor_socket_t type does not match SOCKET in size; Tor " + "might not work. (Sizes are %d and %d respectively.)", + (int)sizeof(tor_socket_t), (int)sizeof(SOCKET)); + } /* WSAData.iMaxSockets might show the max sockets we're allowed to use. * We might use it to complain if we're trying to be a server but have * too few sockets available. */

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[tor/master] Merge remote-tracking branch 'public/bug4533_part1'
by nickm＠torproject.org 18 Jan '12

18 Jan '12

commit d1b40cf2e7bb55d3c421e6eff476330e08ab4750 Merge: 1772782 dea0720 Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jan 18 15:33:04 2012 -0500 Merge remote-tracking branch 'public/bug4533_part1' Conflicts: src/common/compat.h changes/tor_socket_tests | 11 +++++++++++ src/common/compat.c | 19 ++++++++++++------- src/common/compat.h | 8 ++++++++ src/or/buffers.c | 4 ++-- src/or/connection.c | 16 ++++++++-------- src/or/cpuworker.c | 4 ++-- src/or/dns.c | 8 ++++---- 7 files changed, 47 insertions(+), 23 deletions(-) diff --cc src/common/compat.h index 5bf12cd,1b79565..4329d45 --- a/src/common/compat.h +++ b/src/common/compat.h @@@ -399,11 -399,19 +399,19 @@@ typedef int socklen_t #endif #ifdef MS_WINDOWS + /* XXX Actually, this should arguably be SOCKET; we use intptr_t here so that + * any inadvertant checks for the socket being <= 0 or > 0 will probably + * still work. */ #define tor_socket_t intptr_t -#define SOCKET_OK(s) ((unsigned)(s) != INVALID_SOCKET) +#define SOCKET_OK(s) ((SOCKET)(s) != INVALID_SOCKET) + #define TOR_INVALID_SOCKET INVALID_SOCKET #else + /** Type used for a network socket. */ #define tor_socket_t int + /** Macro: true iff 's' is a possible value for a valid initialized socket. */ #define SOCKET_OK(s) ((s) >= 0) + /** Error/uninitialized value for a tor_socket_t. */ + #define TOR_INVALID_SOCKET (-1) #endif int tor_close_socket(tor_socket_t s);

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[tor/master] Fix SOCKET_OK test on win64.
by nickm＠torproject.org 18 Jan '12

18 Jan '12

commit dd4b1a2ac605ff53c0eda4ebf44ddd84c3b243c0 Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jan 18 10:47:22 2012 -0500 Fix SOCKET_OK test on win64. Bugfix on 0.2.2.29-beta; partial fix for 4533; found by wanoskarnet --- changes/bug4533_part2 | 5 +++++ src/common/compat.h | 2 +- 2 files changed, 6 insertions(+), 1 deletions(-) diff --git a/changes/bug4533_part2 b/changes/bug4533_part2 new file mode 100644 index 0000000..7e0f7c3 --- /dev/null +++ b/changes/bug4533_part2 @@ -0,0 +1,5 @@ + o Major bugfixes: + - Fix the SOCKET_OK test that we use to tell when socket + creation fails so that it works on Win64. Fixes part of bug + 4533; bugfix on 0.2.2.29-beta. Bug found by wanoskarnet. + diff --git a/src/common/compat.h b/src/common/compat.h index e0b074c..d2f1fd1 100644 --- a/src/common/compat.h +++ b/src/common/compat.h @@ -396,7 +396,7 @@ typedef int socklen_t; #ifdef MS_WINDOWS #define tor_socket_t intptr_t -#define SOCKET_OK(s) ((unsigned)(s) != INVALID_SOCKET) +#define SOCKET_OK(s) ((SOCKET)(s) != INVALID_SOCKET) #else #define tor_socket_t int #define SOCKET_OK(s) ((s) >= 0)

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[tor/master] Merge remote-tracking branch 'public/bug4533_part2' into maint-0.2.2
by nickm＠torproject.org 18 Jan '12

18 Jan '12

commit 6d595fa4cf679cf7c66673726596548758a298bc Merge: 676bba8 dd4b1a2 Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jan 18 15:29:25 2012 -0500 Merge remote-tracking branch 'public/bug4533_part2' into maint-0.2.2 changes/bug4533_part2 | 5 +++++ src/common/compat.h | 2 +- 2 files changed, 6 insertions(+), 1 deletions(-)

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[tor/master] Merge remote-tracking branch 'origin/maint-0.2.2'
by nickm＠torproject.org 18 Jan '12

18 Jan '12

commit 1772782e425734967981b79be1122017ef606dd0 Merge: d04bf66 6d595fa Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jan 18 15:29:41 2012 -0500 Merge remote-tracking branch 'origin/maint-0.2.2' changes/bug4533_part2 | 5 +++++ src/common/compat.h | 2 +- 2 files changed, 6 insertions(+), 1 deletions(-)

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[tor/maint-0.2.2] Fix SOCKET_OK test on win64.
by nickm＠torproject.org 18 Jan '12

18 Jan '12

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[tor/maint-0.2.2] Merge remote-tracking branch 'public/bug4533_part2' into maint-0.2.2
by nickm＠torproject.org 18 Jan '12

18 Jan '12

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[translation/orbot] Update translations for orbot
by translation＠torproject.org 18 Jan '12

18 Jan '12

commit 808816978eaf560eb81fa9fa2de28698cbbae532 Author: Translation commit bot <translation(a)torproject.org> Date: Wed Jan 18 20:15:05 2012 +0000 Update translations for orbot --- values-nl/strings.xml | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/values-nl/strings.xml b/values-nl/strings.xml index 9e6e4e1..0ab07a0 100644 --- a/values-nl/strings.xml +++ b/values-nl/strings.xml @@ -195,6 +195,6 @@ Bezoek onze website op https://guardianproject.info/apps/orbot of stuur een emai <string name="unable_to_read_hidden_service_name">Kan hidden service naam niet lezen.</string> <string name="unable_to_start_tor">Kan Tor niet starten:</string> <string name="pref_use_sys_iptables_title">Gebruik standaard iptables</string> - <string name="pref_use_sys_iptables_summary">gebruik de ingebouwde iptables binary in plaats van de aan Orbot gekoppelde.</string> + <string name="pref_use_sys_iptables_summary">gebruik de ingebouwde iptables binary in plaats van de in Orbot geïntegreerde.</string> <string name="error_installing_binares">De Tor binaries konden niet worden geïnstalleerd of geüpgraded.</string> </resources>

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[tor/master] Merge branch 'bug4012_023_squashed'
by nickm＠torproject.org 18 Jan '12

18 Jan '12

commit d04bf66120420e89ddb479316f4026869abc9154 Merge: 93d3a91 b14ac10 Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jan 18 14:50:22 2012 -0500 Merge branch 'bug4012_023_squashed' changes/bug4012 | 8 ++++++++ doc/tor.1.txt | 29 +++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+), 0 deletions(-)

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tor-commits January 2012