svn commit: r207040 - stable/8/contrib/netcat
Xin LI
delphij at FreeBSD.org
Thu Apr 22 00:28:49 UTC 2010
Author: delphij
Date: Thu Apr 22 00:28:49 2010
New Revision: 207040
URL: http://svn.freebsd.org/changeset/base/207040
Log:
MFC: netcat 4.7.
Deleted:
stable/8/contrib/netcat/FREEBSD-upgrade
stable/8/contrib/netcat/FREEBSD-vendor
Modified:
stable/8/contrib/netcat/nc.1
stable/8/contrib/netcat/netcat.c
Directory Properties:
stable/8/contrib/netcat/ (props changed)
Modified: stable/8/contrib/netcat/nc.1
==============================================================================
--- stable/8/contrib/netcat/nc.1 Thu Apr 22 00:21:30 2010 (r207039)
+++ stable/8/contrib/netcat/nc.1 Thu Apr 22 00:28:49 2010 (r207040)
@@ -1,4 +1,4 @@
-.\" $OpenBSD: nc.1,v 1.50 2009/06/05 06:47:12 jmc Exp $
+.\" $OpenBSD: nc.1,v 1.53 2010/02/23 23:00:52 schwarze Exp $
.\"
.\" Copyright (c) 1996 David Sacerdote
.\" All rights reserved.
@@ -27,7 +27,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd June 5 2009
+.Dd April 15, 2010
.Dt NC 1
.Os
.Sh NAME
@@ -36,7 +36,7 @@
.Sh SYNOPSIS
.Nm nc
.Bk -words
-.Op Fl 46DdEhklnorStUuvz
+.Op Fl 46DdEhklnrStUuvz
.Op Fl e Ar IPsec_policy
.Op Fl I Ar length
.Op Fl i Ar interval
@@ -51,8 +51,8 @@
.Op Fl X Ar proxy_protocol
.Oo Xo
.Fl x Ar proxy_address Ns Oo : Ns
-.Ar port Oc Oc
-.Xc
+.Ar port Oc
+.Xc Oc
.Op Ar hostname
.Op Ar port
.Ek
@@ -159,15 +159,6 @@ socket option.
.It Fl O Ar length
Specifies the size of the TCP send buffer.
When
-.It Fl o
-.Dq Once-only mode .
-By default,
-.Nm
-does not terminate on EOF condition on input,
-but continues until the network side has been closed down.
-Specifying
-.Fl o
-will make it terminate on EOF as well.
.It Fl P Ar proxy_username
Specifies a username to present to a proxy server that requires authentication.
If no username is specified then authentication will not be attempted.
@@ -206,7 +197,9 @@ This makes it possible to use
.Nm
to script telnet sessions.
.It Fl U
-Specifies to use Unix Domain Sockets.
+Specifies to use
+.Ux Ns -domain
+sockets.
.It Fl u
Use UDP instead of the default option of TCP.
.It Fl V Ar fib
@@ -428,7 +421,9 @@ outgoing traffic only.
.Pp
.Dl $ nc -e 'out ipsec esp/transport//require' host.example.com 42
.Pp
-Create and listen on a Unix Domain Socket:
+Create and listen on a
+.Ux Ns -domain
+socket:
.Pp
.Dl $ nc -lU /var/tmp/dsocket
.Pp
Modified: stable/8/contrib/netcat/netcat.c
==============================================================================
--- stable/8/contrib/netcat/netcat.c Thu Apr 22 00:21:30 2010 (r207039)
+++ stable/8/contrib/netcat/netcat.c Thu Apr 22 00:28:49 2010 (r207040)
@@ -1,4 +1,4 @@
-/* $OpenBSD: netcat.c,v 1.93 2009/06/05 00:18:10 claudio Exp $ */
+/* $OpenBSD: netcat.c,v 1.95 2010/02/27 00:58:56 nicm Exp $ */
/*
* Copyright (c) 2001 Eric Jackson <ericj at monkey.org>
*
@@ -72,14 +72,12 @@
#define PORT_MAX_LEN 6
/* Command Line Options */
-int Eflag; /* Use IPsec ESP */
int dflag; /* detached, no stdin */
unsigned int iflag; /* Interval Flag */
int jflag; /* use jumbo frames if we can */
int kflag; /* More than one connect */
int lflag; /* Bind to local port */
int nflag; /* Don't do name look up */
-int oflag; /* Once only: stop on EOF */
int FreeBSD_Oflag; /* Do not use TCP options */
char *Pflag; /* Proxy username */
char *pflag; /* Localport flag */
@@ -151,7 +149,7 @@ main(int argc, char *argv[])
sv = NULL;
while ((ch = getopt_long(argc, argv,
- "46DdEe:hI:i:jklnO:oP:p:rSs:tT:UuV:vw:X:x:z",
+ "46DdEe:hI:i:jklnoO:P:p:rSs:tT:UuV:vw:X:x:z",
longopts, NULL)) != -1) {
switch (ch) {
case '4':
@@ -214,7 +212,7 @@ main(int argc, char *argv[])
nflag = 1;
break;
case 'o':
- oflag = 1;
+ fprintf(stderr, "option -o is deprecated.\n");
break;
case 'P':
Pflag = optarg;
@@ -282,8 +280,6 @@ main(int argc, char *argv[])
case 'T':
Tflag = parse_iptos(optarg);
break;
- case 0:
- break;
default:
usage(1);
}
@@ -455,8 +451,10 @@ main(int argc, char *argv[])
uflag ? "udp" : "tcp");
}
- printf("Connection to %s %s port [%s/%s] succeeded!\n",
- host, portlist[i], uflag ? "udp" : "tcp",
+ fprintf(stderr,
+ "Connection to %s %s port [%s/%s] "
+ "succeeded!\n", host, portlist[i],
+ uflag ? "udp" : "tcp",
sv ? sv->s_name : "*");
}
if (!zflag)
@@ -572,10 +570,8 @@ remote_connect(const char *host, const c
if (sflag || pflag) {
struct addrinfo ahints, *ares;
-#ifdef SO_BINDANY
- /* try SO_BINDANY, but don't insist */
- setsockopt(s, SOL_SOCKET, SO_BINDANY, &on, sizeof(on));
-#endif
+ /* try IP_BINDANY, but don't insist */
+ setsockopt(s, IPPROTO_IP, IP_BINDANY, &on, sizeof(on));
memset(&ahints, 0, sizeof(struct addrinfo));
ahints.ai_family = res0->ai_family;
ahints.ai_socktype = uflag ? SOCK_DGRAM : SOCK_STREAM;
@@ -727,10 +723,9 @@ readwrite(int nfd)
}
if (!dflag && pfd[1].revents & POLLIN) {
- if ((n = read(wfd, buf, plen)) < 0 ||
- (oflag && n == 0)) {
+ if ((n = read(wfd, buf, plen)) < 0)
return;
- } else if (n == 0) {
+ else if (n == 0) {
shutdown(nfd, SHUT_WR);
pfd[1].fd = -1;
pfd[1].events = 0;
@@ -749,27 +744,27 @@ atelnet(int nfd, unsigned char *buf, uns
unsigned char *p, *end;
unsigned char obuf[4];
- end = buf + size;
- obuf[0] = '\0';
+ if (size < 3)
+ return;
+ end = buf + size - 2;
for (p = buf; p < end; p++) {
if (*p != IAC)
- break;
+ continue;
obuf[0] = IAC;
p++;
if ((*p == WILL) || (*p == WONT))
obuf[1] = DONT;
- if ((*p == DO) || (*p == DONT))
+ else if ((*p == DO) || (*p == DONT))
obuf[1] = WONT;
- if (obuf) {
- p++;
- obuf[2] = *p;
- obuf[3] = '\0';
- if (atomicio(vwrite, nfd, obuf, 3) != 3)
- warn("Write Error!");
- obuf[0] = '\0';
- }
+ else
+ continue;
+
+ p++;
+ obuf[2] = *p;
+ if (atomicio(vwrite, nfd, obuf, 3) != 3)
+ warn("Write Error!");
}
}
@@ -943,7 +938,6 @@ help(void)
\t-n Suppress name/port resolutions\n\
\t--no-tcpopt Disable TCP options\n\
\t-O length TCP send buffer length\n\
- \t-o Terminate on EOF on input\n\
\t-P proxyuser\tUsername for proxy authentication\n\
\t-p port\t Specify local port for remote connects\n\
\t-r Randomize remote ports\n\
@@ -993,9 +987,9 @@ usage(int ret)
{
fprintf(stderr,
#ifdef IPSEC
- "usage: nc [-46DdEhklnorStUuvz] [-e policy] [-I length] [-i interval] [-O length]\n"
+ "usage: nc [-46DdEhklnrStUuvz] [-e policy] [-I length] [-i interval] [-O length]\n"
#else
- "usage: nc [-46DdhklnorStUuvz] [-I length] [-i interval] [-O length]\n"
+ "usage: nc [-46DdhklnrStUuvz] [-I length] [-i interval] [-O length]\n"
#endif
"\t [-P proxy_username] [-p source_port] [-s source_ip_address] [-T ToS]\n"
"\t [-V fib] [-w timeout] [-X proxy_protocol]\n"
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