diff options
Diffstat (limited to 'src/common/compat.c')
| -rw-r--r-- | src/common/compat.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/common/compat.c b/src/common/compat.c index 528f0beed0..16e1bee4b6 100644 --- a/src/common/compat.c +++ b/src/common/compat.c @@ -241,6 +241,11 @@ tor_socketpair(int family, int type, int protocol, int fd[2]) listener = socket(AF_INET, type, 0); if (listener == -1) return -1; + if (!SOCKET_IS_POLLABLE(listener)) { + log_fn(LOG_WARN, "Too many connections; can't open socketpair"); + tor_close_socket(listener); + return -1; + } memset(&listen_addr, 0, sizeof(listen_addr)); listen_addr.sin_family = AF_INET; listen_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); @@ -254,6 +259,10 @@ tor_socketpair(int family, int type, int protocol, int fd[2]) connector = socket(AF_INET, type, 0); if (connector == -1) goto tidy_up_and_fail; + if (!SOCKET_IS_POLLABLE(connector)) { + log_fn(LOG_WARN, "Too many connections; can't open socketpair"); + goto tidy_up_and_fail; + } /* We want to find out the port number to connect to. */ size = sizeof(connect_addr); if (getsockname(listener, (struct sockaddr *) &connect_addr, &size) == -1) @@ -268,6 +277,10 @@ tor_socketpair(int family, int type, int protocol, int fd[2]) acceptor = accept(listener, (struct sockaddr *) &listen_addr, &size); if (acceptor == -1) goto tidy_up_and_fail; + if (!SOCKET_IS_POLLABLE(acceptor)) { + log_fn(LOG_WARN, "Too many connections; can't open socketpair"); + goto tidy_up_and_fail; + } if (size != sizeof(listen_addr)) goto abort_tidy_up_and_fail; tor_close_socket(listener); |