svn commit: r215446 - stable/7/contrib/netcat
Xin LI
delphij at FreeBSD.org
Thu Nov 18 01:21:56 UTC 2010
Author: delphij
Date: Thu Nov 18 01:21:55 2010
New Revision: 215446
URL: http://svn.freebsd.org/changeset/base/215446
Log:
MFC through r214047: nc from OpenBSD 4.8.
Modified:
stable/7/contrib/netcat/nc.1
stable/7/contrib/netcat/netcat.c
stable/7/contrib/netcat/socks.c
Directory Properties:
stable/7/contrib/netcat/ (props changed)
Modified: stable/7/contrib/netcat/nc.1
==============================================================================
--- stable/7/contrib/netcat/nc.1 Thu Nov 18 01:14:18 2010 (r215445)
+++ stable/7/contrib/netcat/nc.1 Thu Nov 18 01:21:55 2010 (r215446)
@@ -1,4 +1,4 @@
-.\" $OpenBSD: nc.1,v 1.50 2009/06/05 06:47:12 jmc Exp $
+.\" $OpenBSD: nc.1,v 1.55 2010/07/25 07:51:39 guenther Exp $
.\"
.\" Copyright (c) 1996 David Sacerdote
.\" All rights reserved.
@@ -27,7 +27,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd June 5 2009
+.Dd July 25, 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
@@ -46,13 +46,13 @@
.Op Fl p Ar source_port
.Op Fl s Ar source_ip_address
.Op Fl T Ar ToS
-.Op Fl V Ar fib
+.Op Fl V Ar rtable
.Op Fl w Ar timeout
.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
@@ -158,16 +158,6 @@ TCP_NOOPT
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.
@@ -206,11 +196,15 @@ 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
-Set the routing table (FIB).
+.It Fl V Ar rtable
+Set the routing table
+.Pq Dq FIB
+to be used.
The default is 0.
.It Fl v
Have
@@ -347,7 +341,7 @@ when it might be necessary to verify wha
in response to commands issued by the client.
For example, to retrieve the home page of a web site:
.Bd -literal -offset indent
-$ echo -n "GET / HTTP/1.0\er\en\er\en" | nc host.example.com 80
+$ printf "GET / HTTP/1.0\er\en\er\en" | nc host.example.com 80
.Ed
.Pp
Note that this also displays the headers sent by the web server.
@@ -428,7 +422,9 @@ 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/7/contrib/netcat/netcat.c
==============================================================================
--- stable/7/contrib/netcat/netcat.c Thu Nov 18 01:14:18 2010 (r215445)
+++ stable/7/contrib/netcat/netcat.c Thu Nov 18 01:21:55 2010 (r215446)
@@ -1,4 +1,4 @@
-/* $OpenBSD: netcat.c,v 1.93 2009/06/05 00:18:10 claudio Exp $ */
+/* $OpenBSD: netcat.c,v 1.98 2010/07/03 04:44:51 guenther 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 */
@@ -95,7 +93,7 @@ int Iflag; /* TCP receive buffer siz
int Oflag; /* TCP send buffer size */
int Sflag; /* TCP MD5 signature option */
int Tflag = -1; /* IP Type of Service */
-u_int rdomain;
+u_int rtableid;
int timeout = -1;
int family = AF_UNSPEC;
@@ -141,7 +139,6 @@ main(int argc, char *argv[])
{ NULL, 0, NULL, 0 }
};
- rdomain = 0;
ret = 1;
ipsec_count = 0;
s = 0;
@@ -151,7 +148,7 @@ 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 +211,7 @@ main(int argc, char *argv[])
nflag = 1;
break;
case 'o':
- oflag = 1;
+ fprintf(stderr, "option -o is deprecated.\n");
break;
case 'P':
Pflag = optarg;
@@ -237,10 +234,10 @@ main(int argc, char *argv[])
case 'V':
if (sysctlbyname("net.fibs", &numfibs, &intsize, NULL, 0) == -1)
errx(1, "Multiple FIBS not supported");
- rdomain = (unsigned int)strtonum(optarg, 0,
+ rtableid = (unsigned int)strtonum(optarg, 0,
numfibs - 1, &errstr);
if (errstr)
- errx(1, "FIB %s: %s", errstr, optarg);
+ errx(1, "rtable %s: %s", errstr, optarg);
break;
case 'v':
vflag = 1;
@@ -282,8 +279,6 @@ main(int argc, char *argv[])
case 'T':
Tflag = parse_iptos(optarg);
break;
- case 0:
- break;
default:
usage(1);
}
@@ -375,11 +370,11 @@ main(int argc, char *argv[])
*/
if (uflag) {
int rv, plen;
- char buf[8192];
+ char buf[16384];
struct sockaddr_storage z;
len = sizeof(z);
- plen = jflag ? 8192 : 1024;
+ plen = jflag ? 16384 : 2048;
rv = recvfrom(s, buf, plen, MSG_PEEK,
(struct sockaddr *)&z, &len);
if (rv < 0)
@@ -455,8 +450,10 @@ 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)
@@ -563,8 +560,8 @@ remote_connect(const char *host, const c
add_ipsec_policy(s, ipsec_policy[1]);
#endif
- if (rdomain) {
- if (setfib(rdomain) == -1)
+ if (rtableid) {
+ if (setfib(rtableid) == -1)
err(1, "setfib");
}
@@ -572,10 +569,8 @@ 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;
@@ -638,8 +633,8 @@ local_listen(char *host, char *port, str
res0->ai_protocol)) < 0)
continue;
- if (rdomain) {
- if (setfib(rdomain) == -1)
+ if (rtableid) {
+ if (setfib(rtableid) == -1)
err(1, "setfib");
}
@@ -684,12 +679,12 @@ void
readwrite(int nfd)
{
struct pollfd pfd[2];
- unsigned char buf[8192];
+ unsigned char buf[16384];
int n, wfd = fileno(stdin);
int lfd = fileno(stdout);
int plen;
- plen = jflag ? 8192 : 1024;
+ plen = jflag ? 16384 : 2048;
/* Setup Network FD */
pfd[0].fd = nfd;
@@ -727,10 +722,9 @@ 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 +743,27 @@ 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!");
}
}
@@ -832,10 +826,9 @@ build_ports(char *p)
hi = strtonum(p, 1, PORT_MAX, &errstr);
if (errstr)
errx(1, "port number %s: %s", errstr, p);
- portlist[0] = calloc(1, PORT_MAX_LEN);
+ portlist[0] = strdup(p);
if (portlist[0] == NULL)
err(1, NULL);
- portlist[0] = p;
}
}
@@ -943,7 +936,6 @@ 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\
@@ -953,7 +945,7 @@ help(void)
\t-t Answer TELNET negotiation\n\
\t-U Use UNIX domain socket\n\
\t-u UDP mode\n\
- \t-V fib Specify alternate routing table (FIB)\n\
+ \t-V rtable Specify alternate routing table\n\
\t-v Verbose\n\
\t-w secs\t Timeout for connects and final net reads\n\
\t-X proto Proxy protocol: \"4\", \"5\" (SOCKS) or \"connect\"\n\
@@ -993,12 +985,12 @@ 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"
+ "\t [-V rtable] [-w timeout] [-X proxy_protocol]\n"
"\t [-x proxy_address[:port]] [hostname] [port]\n");
if (ret)
exit(1);
Modified: stable/7/contrib/netcat/socks.c
==============================================================================
--- stable/7/contrib/netcat/socks.c Thu Nov 18 01:14:18 2010 (r215445)
+++ stable/7/contrib/netcat/socks.c Thu Nov 18 01:21:55 2010 (r215446)
@@ -1,4 +1,4 @@
-/* $OpenBSD: socks.c,v 1.17 2006/09/25 04:51:20 ray Exp $ */
+/* $OpenBSD: socks.c,v 1.18 2010/04/20 07:26:35 nicm Exp $ */
/*
* Copyright (c) 1999 Niklas Hallqvist. All rights reserved.
@@ -167,11 +167,11 @@ socks_connect(const char *host, const ch
buf[2] = SOCKS_NOAUTH;
cnt = atomicio(vwrite, proxyfd, buf, 3);
if (cnt != 3)
- err(1, "write failed (%d/3)", cnt);
+ err(1, "write failed (%zu/3)", cnt);
cnt = atomicio(read, proxyfd, buf, 2);
if (cnt != 2)
- err(1, "read failed (%d/3)", cnt);
+ err(1, "read failed (%zu/3)", cnt);
if (buf[1] == SOCKS_NOMETHOD)
errx(1, "authentication method negotiation failed");
@@ -220,11 +220,11 @@ socks_connect(const char *host, const ch
cnt = atomicio(vwrite, proxyfd, buf, wlen);
if (cnt != wlen)
- err(1, "write failed (%d/%d)", cnt, wlen);
+ err(1, "write failed (%zu/%zu)", cnt, wlen);
cnt = atomicio(read, proxyfd, buf, 10);
if (cnt != 10)
- err(1, "read failed (%d/10)", cnt);
+ err(1, "read failed (%zu/10)", cnt);
if (buf[1] != 0)
errx(1, "connection failed, SOCKS error %d", buf[1]);
} else if (socksv == 4) {
@@ -242,11 +242,11 @@ socks_connect(const char *host, const ch
cnt = atomicio(vwrite, proxyfd, buf, wlen);
if (cnt != wlen)
- err(1, "write failed (%d/%d)", cnt, wlen);
+ err(1, "write failed (%zu/%zu)", cnt, wlen);
cnt = atomicio(read, proxyfd, buf, 8);
if (cnt != 8)
- err(1, "read failed (%d/8)", cnt);
+ err(1, "read failed (%zu/8)", cnt);
if (buf[1] != 90)
errx(1, "connection failed, SOCKS error %d", buf[1]);
} else if (socksv == -1) {
@@ -272,7 +272,7 @@ socks_connect(const char *host, const ch
cnt = atomicio(vwrite, proxyfd, buf, r);
if (cnt != r)
- err(1, "write failed (%d/%d)", cnt, r);
+ err(1, "write failed (%zu/%d)", cnt, r);
if (authretry > 1) {
char resp[1024];
@@ -290,7 +290,7 @@ socks_connect(const char *host, const ch
errx(1, "Proxy auth response too long");
r = strlen(buf);
if ((cnt = atomicio(vwrite, proxyfd, buf, r)) != r)
- err(1, "write failed (%d/%d)", cnt, r);
+ err(1, "write failed (%zu/%d)", cnt, r);
}
/* Terminate headers */
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