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Don't warn when setsockopt(SO_REUSEABLE) on accept()ed socket says EINVAL

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This should fix bug10081.  I believe this bug pertains to OSX
behavior, not any Tor behavior change.
This commit is contained in:
Nick Mathewson 2014-03-27 13:55:18 -04:00
parent 0b43c499b2
commit 60abc4804f
2 changed files with 31 additions and 7 deletions
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5
changes/bug10081 Normal file
View File

@ -0,0 +1,5 @@
o Minor features:
- When reporting a failure from make_socket_reuseable(), don't
report a warning when we get a failure from an incoming socket
on OSX. Fix for bug 10081.

33
src/or/connection.c
View File

@ -958,8 +958,9 @@ check_location_for_unix_socket(const or_options_t *options, const char *path)
#endif
/** Tell the TCP stack that it shouldn't wait for a long time after
* <b>sock</b> has closed before reusing its port. */
static void
* <b>sock</b> has closed before reusing its port. Return 0 on success,
* -1 on failure. */
static int
make_socket_reuseable(tor_socket_t sock)
{
#ifdef _WIN32
@ -973,9 +974,9 @@ make_socket_reuseable(tor_socket_t sock)
* already has it bound_. So, don't do that on Win32. */
if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*) &one,
(socklen_t)sizeof(one)) == -1) {
log_warn(LD_NET, "Error setting SO_REUSEADDR flag: %s",
tor_socket_strerror(errno));
return -1;
}
return 0;
#endif
}
@ -1049,7 +1050,11 @@ connection_listener_new(const struct sockaddr *listensockaddr,
goto err;
}
make_socket_reuseable(s);
if (make_socket_reuseable(s) < 0) {
log_warn(LD_NET, "Error setting SO_REUSEADDR flag on %s: %s",
conn_type_to_string(type),
tor_socket_strerror(errno));
}
#if defined USE_TRANSPARENT && defined(IP_TRANSPARENT)
if (options->TransProxyType_parsed == TPT_TPROXY &&
@ -1354,7 +1359,18 @@ connection_handle_listener_read(connection_t *conn, int new_type)
"Connection accepted on socket %d (child of fd %d).",
(int)news,(int)conn->s);
make_socket_reuseable(news);
if (make_socket_reuseable(news) < 0) {
if (tor_socket_errno(news) == EINVAL) {
/* This can happen on OSX if we get a badly timed shutdown. */
log_debug(LD_NET, "make_socket_reuseable returned EINVAL");
} else {
log_warn(LD_NET, "Error setting SO_REUSEADDR flag on %s: %s",
conn_type_to_string(new_type),
tor_socket_strerror(errno));
}
tor_close_socket(news);
return 0;
}
if (options->ConstrainedSockets)
set_constrained_socket_buffers(news, (int)options->ConstrainedSockSize);
@ -1563,7 +1579,10 @@ connection_connect(connection_t *conn, const char *address,
return -1;
}
make_socket_reuseable(s);
if (make_socket_reuseable(s) < 0) {
log_warn(LD_NET, "Error setting SO_REUSEADDR flag on new connection: %s",
tor_socket_strerror(errno));
}
if (!tor_addr_is_loopback(addr)) {
const tor_addr_t *ext_addr = NULL;