search for: serv_addr

...&& defined(HAVE_HTONS) && defined(HAVE_GETHOSTBYNAME) +#if defined(HAVE_SOCKET) && defined(HAVE_CONNECT) && defined(HAVE_HTONS) static int viewer_open_vnc_socket(const char* vnchost, int vncport) { int socketfd; - struct hostent *serv; struct sockaddr_in serv_addr; socketfd = socket(PF_INET, SOCK_STREAM, 0); @@ -917,14 +918,9 @@ viewer_open_vnc_socket(const char* vnchost, int vncport) return -1; } - serv = gethostbyname(vnchost); - if(serv == NULL){ - return -1; - } - serv_addr.sin_family = PF_INET; serv_addr.sin_port = htons(v...

...&& defined(HAVE_HTONS) && defined(HAVE_GETHOSTBYNAME) +#if defined(HAVE_SOCKET) && defined(HAVE_CONNECT) && defined(HAVE_HTONS) static int viewer_open_vnc_socket(const char* vnchost, int vncport) { - int socketfd; - struct hostent *serv; - struct sockaddr_in serv_addr; + int result, socketfd; + char port[10]; + struct addrinfo* vnc_addr; - socketfd = socket(PF_INET, SOCK_STREAM, 0); - if(socketfd < 0){ - return -1; - } + sprintf(port, "%d", vncport); - serv = gethostbyname(vnchost); - if(serv == NULL){ + result = getaddrinfo(vncho...

...ective_uid != 0 || !options.use_privileged_port, pw, options.proxy_command); --- openssh-3.1p1/sshconnect.c.ORIG Tue Mar 5 19:59:46 2002 +++ openssh-3.1p1/sshconnect.c Wed Apr 3 23:33:48 2002 @@ -222,6 +222,64 @@ return sock; } +int +timeout_connect(int sockfd, const struct sockaddr *serv_addr, + socklen_t addrlen, int timeout) +{ + int rc; + fd_set fds; + + int optval = 0; + socklen_t optlen = sizeof(optval); + struct timeval tv; + + + if (timeout <= 0) + return(connect(sockfd, serv_addr, addrlen)); + + if (fcntl(sockfd, F_SETFL, O_NONBLOCK) < 0) + { + return -1...

...ve_uid != 0 || !options.use_privileged_port, pw, options.proxy_command); --- openssh-3.2.2p1/sshconnect.c.ORIG Tue Mar 5 19:59:46 2002 +++ openssh-3.2.2p1/sshconnect.c Tue May 21 15:40:06 2002 @@ -222,6 +222,63 @@ return sock; } +int +timeout_connect(int sockfd, const struct sockaddr *serv_addr, + socklen_t addrlen, int timeout) +{ + fd_set *fdset; + struct timeval tv; + socklen_t optlen; + int fdsetsz, optval, rc; + + if (timeout <= 0) + return(connect(sockfd, serv_addr, addrlen)); + + if (fcntl(sockfd, F_SETFL, O_NONBLOCK) < 0) + return -1; + + rc = connect(sockfd, serv_addr,...

...ing = NULL; +static jmp_buf jmpenv; + extern Options options; extern char *__progname; @@ -221,6 +223,43 @@ return sock; } +/* for alarm() */ +static void +timeout_sigh(int dummy) +{ + errno = ETIMEDOUT; + longjmp(jmpenv, !0); +} + +int +timeout_connect(int sockfd, const struct sockaddr *serv_addr, + socklen_t addrlen, int timeout) +{ + void (*sigh)(int); + int rc; + + if (timeout <= 0) + return(connect(sockfd, serv_addr, addrlen)); + + if (setjmp(jmpenv) == 0) + { + debug("ssh: setting connect() timeout to %d s.", + timeout); + sigh = signal(SIGALRM, timeout_sigh); + i...

On Sat, Jan 7, 2017 at 2:30 PM, Peter Moody <mindrot at hda3.com> wrote: > so I spent a bit of time looking at this and it seems like the only > way to go, at least if I want to keep it in ssh_connect_direct(), is > to use pthreads. further, it seems like getting that accepted is > something of a long shot: Sorry, pthreads is a non-starter. I would have thought that using

...ing = NULL; +static jmp_buf jmpenv; + extern Options options; extern char *__progname; @@ -221,6 +223,43 @@ return sock; } +/* for alarm() */ +static void +timeout_sigh(int dummy) +{ + errno = ETIMEDOUT; + longjmp(jmpenv, !0); +} + +int +timeout_connect(int sockfd, const struct sockaddr *serv_addr, + socklen_t addrlen, int timeout) +{ + void (*sigh)(int); + int rc; + + if (timeout <= 0) + return(connect(sockfd, serv_addr, addrlen)); + + if (setjmp(jmpenv) == 0) + { + debug("ssh: setting connect() timeout to %d s.", + timeout); + sigh = signal(SIGALRM, timeout_sigh); + i...

...on the local machine be forwarded over the secure channel, and the application --- openssh-3.6.1p1/sshconnect.c.ORIG Tue Apr 15 23:06:30 2003 +++ openssh-3.6.1p1/sshconnect.c Tue Apr 15 23:08:28 2003 @@ -212,6 +212,61 @@ return sock; } +int +timeout_connect(int sockfd, const struct sockaddr *serv_addr, + socklen_t addrlen, int timeout) +{ + fd_set *fdset; + struct timeval tv; + socklen_t optlen; + int fdsetsz, optval, rc; + + if (timeout <= 0) + return(connect(sockfd, serv_addr, addrlen)); + + if (fcntl(sockfd, F_SETFL, O_NONBLOCK) < 0) + return -1; + + rc = connect(sockfd, serv_addr, ad...

...port on the local machine be forwarded over the secure channel, and the application --- openssh-3.5p1/sshconnect.c.ORIG Thu Sep 19 04:05:04 2002 +++ openssh-3.5p1/sshconnect.c Wed Oct 16 14:59:12 2002 @@ -212,6 +212,61 @@ return sock; } +int +timeout_connect(int sockfd, const struct sockaddr *serv_addr, + socklen_t addrlen, int timeout) +{ + fd_set *fdset; + struct timeval tv; + socklen_t optlen; + int fdsetsz, optval, rc; + + if (timeout <= 0) + return(connect(sockfd, serv_addr, addrlen)); + + if (fcntl(sockfd, F_SETFL, O_NONBLOCK) < 0) + return -1; + + rc = connect(sockfd, serv_addr, ad...

...rrency + * + * implementation can have a fixed delay for how long to wait before + * starting the next connection attempt [...] recommended value for a + * default delay is 250 milliseconds. + */ +#define CONNECTION_ATTEMPT_DELAY 250 + static int -timeout_connect(int sockfd, const struct sockaddr *serv_addr, - socklen_t addrlen, int *timeoutp) +ssh_connect_timeout(struct timeval *tv, int timeout_ms) { - int optval = 0; - socklen_t optlen = sizeof(optval); + if (timeout_ms <= 0) + return 0; + ms_subtract_diff(tv, &timeout_ms); + return timeout_ms <= 0; +} - /* No timeout: just do a blo...

Hello OpenSSH folks, This was a really minor knit, but I noted while I was developing a pexpect module for ssh that setting ConnectTimeout to 0 in the options to ssh sets the login timeout to infinite time. I was wondering whether or not this was a documentation bug and/or potential clarification that could to be made, or if this was a software bug that needs to be fixed. I don't see