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authorDonald Cooley <chytraeus@protonmail.com>2020-02-08 02:00:33 +0700
committerWilly Sudiarto Raharjo <willysr@slackbuilds.org>2020-02-08 02:00:33 +0700
commitd1958c4a94b3ae2f24faeb8aa828d2065b36ee13 (patch)
tree11ce09c8e8aa00f7122923cf830a8f807d0ac328 /network/netcat-openbsd/patches/0003-connect-timeout.patch
parent960bca1643f56ff4393a9339847467a8f8a7c361 (diff)
downloadslackbuilds-d1958c4a94b3ae2f24faeb8aa828d2065b36ee13.tar.xz
network/netcat-openbsd: Updated for version 1.206.
Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>
Diffstat (limited to 'network/netcat-openbsd/patches/0003-connect-timeout.patch')
-rw-r--r--network/netcat-openbsd/patches/0003-connect-timeout.patch126
1 files changed, 126 insertions, 0 deletions
diff --git a/network/netcat-openbsd/patches/0003-connect-timeout.patch b/network/netcat-openbsd/patches/0003-connect-timeout.patch
new file mode 100644
index 000000000000..dd73c1d601fd
--- /dev/null
+++ b/network/netcat-openbsd/patches/0003-connect-timeout.patch
@@ -0,0 +1,126 @@
+From: Aron Xu <aron@debian.org>
+Date: Mon, 13 Feb 2012 14:43:56 +0800
+Subject: connect timeout
+
+---
+ netcat.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
+ 1 file changed, 76 insertions(+), 2 deletions(-)
+
+--- a/netcat.c
++++ b/netcat.c
+@@ -90,6 +90,7 @@
+ #include <ctype.h>
+ #include <err.h>
+ #include <errno.h>
++#include <fcntl.h>
+ #include <limits.h>
+ #include <netdb.h>
+ #include <poll.h>
+@@ -124,6 +125,10 @@
+ # define TLS_MUSTSTAPLE (1 << 4)
+ #endif
+
++#define CONNECTION_SUCCESS 0
++#define CONNECTION_FAILED 1
++#define CONNECTION_TIMEOUT 2
++
+ /* Command Line Options */
+ int dflag; /* detached, no stdin */
+ int Fflag; /* fdpass sock to stdout */
+@@ -214,6 +219,9 @@ ssize_t drainbuf(int, unsigned char *, s
+ ssize_t fillbuf(int, unsigned char *, size_t *);
+ # endif
+
++static int connect_with_timeout(int fd, const struct sockaddr *sa,
++ socklen_t salen, int ctimeout);
++
+ int
+ main(int argc, char *argv[])
+ {
+@@ -1079,11 +1087,14 @@ remote_connect(const char *host, const c
+
+ set_common_sockopts(s, res->ai_family);
+
+- if (timeout_connect(s, res->ai_addr, res->ai_addrlen) == 0)
++ if ((error = connect_with_timeout(s, res->ai_addr, res->ai_addrlen, timeout)) == CONNECTION_SUCCESS)
+ break;
+- if (vflag)
++ if (vflag && error == CONNECTION_FAILED)
+ warn("connect to %s port %s (%s) failed", host, port,
+ uflag ? "udp" : "tcp");
++ else if (vflag && error == CONNECTION_TIMEOUT)
++ warn("connect to %s port %s (%s) timed out", host, port,
++ uflag ? "udp" : "tcp");
+
+ save_errno = errno;
+ close(s);
+@@ -1124,6 +1135,69 @@ timeout_connect(int s, const struct sock
+ return ret;
+ }
+
++static int connect_with_timeout(int fd, const struct sockaddr *sa,
++ socklen_t salen, int ctimeout)
++{
++ int err;
++ struct timeval tv, *tvp = NULL;
++ fd_set connect_fdset;
++ socklen_t len;
++ int orig_flags;
++
++ orig_flags = fcntl(fd, F_GETFL, 0);
++ if (fcntl(fd, F_SETFL, orig_flags | O_NONBLOCK) < 0 ) {
++ warn("can't set O_NONBLOCK - timeout not available");
++ if (connect(fd, sa, salen) == 0)
++ return CONNECTION_SUCCESS;
++ else
++ return CONNECTION_FAILED;
++ }
++
++ /* set connect timeout */
++ if (ctimeout > 0) {
++ tv.tv_sec = (time_t)ctimeout/1000;
++ tv.tv_usec = 0;
++ tvp = &tv;
++ }
++
++ /* attempt the connection */
++ err = connect(fd, sa, salen);
++ if (err != 0 && errno == EINPROGRESS) {
++ /* connection is proceeding
++ * it is complete (or failed) when select returns */
++
++ /* initialize connect_fdset */
++ FD_ZERO(&connect_fdset);
++ FD_SET(fd, &connect_fdset);
++
++ /* call select */
++ do {
++ err = select(fd + 1, NULL, &connect_fdset,
++ NULL, tvp);
++ } while (err < 0 && errno == EINTR);
++
++ /* select error */
++ if (err < 0)
++ errx(1,"select error: %s", strerror(errno));
++ /* we have reached a timeout */
++ if (err == 0)
++ return CONNECTION_TIMEOUT;
++ /* select returned successfully, but we must test socket
++ * error for result */
++ len = sizeof(err);
++ if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &err, &len) < 0)
++ errx(1, "getsockopt error: %s", strerror(errno));
++ /* setup errno according to the result returned by
++ * getsockopt */
++ if (err != 0)
++ errno = err;
++ }
++
++ /* return aborted if an error occured, and valid otherwise */
++ fcntl(fd, F_SETFL, orig_flags);
++ return (err != 0)? CONNECTION_FAILED : CONNECTION_SUCCESS;
++}
++
+ /*
+ * local_listen()
+ * Returns a socket listening on a local port, binds to specified source