From 03bf783f3ce9d2a865bc509035dd883ffe0baa0c Mon Sep 17 00:00:00 2001 From: Fabio Alessandrelli Date: Thu, 19 Apr 2018 23:20:26 +0200 Subject: Various coverity scan fixes for networking Fix FreeBSD websocket compilation error --- drivers/unix/ip_unix.cpp | 4 +++- drivers/unix/stream_peer_tcp_posix.cpp | 21 +++++++++++++++------ drivers/unix/tcp_server_posix.cpp | 17 +++++++++++++---- 3 files changed, 31 insertions(+), 11 deletions(-) (limited to 'drivers/unix') diff --git a/drivers/unix/ip_unix.cpp b/drivers/unix/ip_unix.cpp index a7fb0c3887..949609bb9a 100644 --- a/drivers/unix/ip_unix.cpp +++ b/drivers/unix/ip_unix.cpp @@ -101,7 +101,7 @@ IP_Address IP_Unix::_resolve_hostname(const String &p_hostname, Type p_type) { hints.ai_family = AF_UNSPEC; hints.ai_flags = AI_ADDRCONFIG; }; - hints.ai_flags &= !AI_NUMERICHOST; + hints.ai_flags &= ~AI_NUMERICHOST; int s = getaddrinfo(p_hostname.utf8().get_data(), NULL, &hints, &result); if (s != 0) { @@ -111,6 +111,8 @@ IP_Address IP_Unix::_resolve_hostname(const String &p_hostname, Type p_type) { if (result == NULL || result->ai_addr == NULL) { ERR_PRINT("Invalid response from getaddrinfo"); + if (result) + freeaddrinfo(result); return IP_Address(); }; diff --git a/drivers/unix/stream_peer_tcp_posix.cpp b/drivers/unix/stream_peer_tcp_posix.cpp index 17112e5ab5..6d798f32f9 100644 --- a/drivers/unix/stream_peer_tcp_posix.cpp +++ b/drivers/unix/stream_peer_tcp_posix.cpp @@ -124,11 +124,14 @@ void StreamPeerTCPPosix::set_socket(int p_sockfd, IP_Address p_host, int p_port, sock_type = p_sock_type; sockfd = p_sockfd; #ifndef NO_FCNTL - fcntl(sockfd, F_SETFL, O_NONBLOCK); + if (fcntl(sockfd, F_SETFL, O_NONBLOCK) < 0) { + WARN_PRINT("Error setting socket as non blocking"); + } #else int bval = 1; - ioctl(sockfd, FIONBIO, &bval); - + if (ioctl(sockfd, FIONBIO, &bval) < 0) { + WARN_PRINT("Error setting socket as non blocking"); + } #endif status = STATUS_CONNECTING; @@ -150,10 +153,14 @@ Error StreamPeerTCPPosix::connect_to_host(const IP_Address &p_host, uint16_t p_p }; #ifndef NO_FCNTL - fcntl(sockfd, F_SETFL, O_NONBLOCK); + if (fcntl(sockfd, F_SETFL, O_NONBLOCK) < 0) { + WARN_PRINT("Error setting socket as non blocking"); + } #else int bval = 1; - ioctl(sockfd, FIONBIO, &bval); + if (ioctl(sockfd, FIONBIO, &bval) < 0) { + WARN_PRINT("Error setting socket as non blocking"); + } #endif struct sockaddr_storage their_addr; @@ -308,7 +315,9 @@ void StreamPeerTCPPosix::set_no_delay(bool p_enabled) { ERR_FAIL_COND(!is_connected_to_host()); int flag = p_enabled ? 1 : 0; - setsockopt(sockfd, IPPROTO_TCP, TCP_NODELAY, (char *)&flag, sizeof(int)); + if (setsockopt(sockfd, IPPROTO_TCP, TCP_NODELAY, (char *)&flag, sizeof(int)) < 0) { + ERR_PRINT("Unable to set TCP no delay option"); + } } bool StreamPeerTCPPosix::is_connected_to_host() const { diff --git a/drivers/unix/tcp_server_posix.cpp b/drivers/unix/tcp_server_posix.cpp index 07ffe3b00a..67ab981f46 100644 --- a/drivers/unix/tcp_server_posix.cpp +++ b/drivers/unix/tcp_server_posix.cpp @@ -91,10 +91,14 @@ Error TCPServerPosix::listen(uint16_t p_port, const IP_Address &p_bind_address) ERR_FAIL_COND_V(sockfd == -1, FAILED); #ifndef NO_FCNTL - fcntl(sockfd, F_SETFL, O_NONBLOCK); + if (fcntl(sockfd, F_SETFL, O_NONBLOCK) < 0) { + WARN_PRINT("Error setting socket as non blocking"); + } #else int bval = 1; - ioctl(sockfd, FIONBIO, &bval); + if (ioctl(sockfd, FIONBIO, &bval) < 0) { + WARN_PRINT("Error setting socket as non blocking"); + } #endif int reuse = 1; @@ -113,6 +117,7 @@ Error TCPServerPosix::listen(uint16_t p_port, const IP_Address &p_bind_address) ERR_FAIL_V(FAILED); }; } else { + close(sockfd); return ERR_ALREADY_IN_USE; }; @@ -157,10 +162,14 @@ Ref TCPServerPosix::take_connection() { int fd = accept(listen_sockfd, (struct sockaddr *)&their_addr, &size); ERR_FAIL_COND_V(fd == -1, Ref()); #ifndef NO_FCNTL - fcntl(fd, F_SETFL, O_NONBLOCK); + if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0) { + WARN_PRINT("Error setting socket as non blocking"); + } #else int bval = 1; - ioctl(fd, FIONBIO, &bval); + if (ioctl(fd, FIONBIO, &bval) < 0) { + WARN_PRINT("Error setting socket as non blocking"); + } #endif Ref conn = memnew(StreamPeerTCPPosix); -- cgit v1.2.3