mirror of
https://github.com/Ponce/slackbuilds
synced 2024-10-04 07:54:46 +02:00
b49d0a636b
Apply the patches locally and added a note about this package being incompatible with nc from Slackware Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>
108 lines
3 KiB
Diff
108 lines
3 KiB
Diff
From: Aron Xu <aron@debian.org>
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Date: Mon, 13 Feb 2012 14:57:45 +0800
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Subject: send crlf
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---
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nc.1 | 6 ++++--
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netcat.c | 21 +++++++++++++++++----
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2 files changed, 21 insertions(+), 6 deletions(-)
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diff --git a/nc.1 b/nc.1
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index b7014a2..af44976 100644
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--- a/nc.1
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+++ b/nc.1
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@@ -34,7 +34,7 @@
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.Sh SYNOPSIS
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.Nm nc
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.Bk -words
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-.Op Fl 46DdhklnrStUuvz
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+.Op Fl 46CDdhklnrStUuvz
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.Op Fl I Ar length
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.Op Fl i Ar interval
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.Op Fl O Ar length
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@@ -98,6 +98,8 @@ to use IPv4 addresses only.
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Forces
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.Nm
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to use IPv6 addresses only.
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+.It Fl C
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+Send CRLF as line-ending.
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.It Fl D
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Enable debugging on the socket.
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.It Fl d
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@@ -355,7 +357,7 @@ More complicated examples can be built up when the user knows the format
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of requests required by the server.
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As another example, an email may be submitted to an SMTP server using:
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.Bd -literal -offset indent
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-$ nc localhost 25 \*(Lt\*(Lt EOF
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+$ nc [\-C] localhost 25 \*(Lt\*(Lt EOF
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HELO host.example.com
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MAIL FROM:\*(Ltuser@host.example.com\*(Gt
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RCPT TO:\*(Ltuser2@host.example.com\*(Gt
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diff --git a/netcat.c b/netcat.c
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index fdaca44..4f4d2bf 100644
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--- a/netcat.c
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+++ b/netcat.c
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@@ -111,6 +111,7 @@
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#define CONNECTION_TIMEOUT 2
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/* Command Line Options */
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+int Cflag = 0; /* CRLF line-ending */
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int dflag; /* detached, no stdin */
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unsigned int iflag; /* Interval Flag */
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int jflag; /* use jumbo frames if we can */
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@@ -180,7 +181,7 @@ main(int argc, char *argv[])
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sv = NULL;
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while ((ch = getopt(argc, argv,
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- "46DdhI:i:jklnO:P:p:rSs:tT:UuV:vw:X:x:z")) != -1) {
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+ "46CDdhI:i:jklnO:P:p:rSs:tT:UuV:vw:X:x:z")) != -1) {
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switch (ch) {
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case '4':
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family = AF_INET;
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@@ -309,6 +310,9 @@ main(int argc, char *argv[])
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if (Tflag < 0 || Tflag > 255 || errstr || errno)
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errx(1, "illegal tos value %s", optarg);
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break;
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+ case 'C':
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+ Cflag = 1;
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+ break;
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default:
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usage(1);
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}
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@@ -906,8 +910,16 @@ readwrite(int nfd)
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else if (n == 0) {
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goto shutdown_wr;
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} else {
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- if (atomicio(vwrite, nfd, buf, n) != n)
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- return;
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+ if ((Cflag) && (buf[n-1]=='\n')) {
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+ if (atomicio(vwrite, nfd, buf, n-1) != (n-1))
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+ return;
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+ if (atomicio(vwrite, nfd, "\r\n", 2) != 2)
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+ return;
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+ }
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+ else {
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+ if (atomicio(vwrite, nfd, buf, n) != n)
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+ return;
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+ }
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}
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}
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else if (pfd[1].revents & POLLHUP) {
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@@ -1139,6 +1151,7 @@ help(void)
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fprintf(stderr, "\tCommand Summary:\n\
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\t-4 Use IPv4\n\
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\t-6 Use IPv6\n\
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+ \t-C Send CRLF as line-ending\n\
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\t-D Enable the debug socket option\n\
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\t-d Detach from stdin\n\
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\t-h This help text\n\
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@@ -1172,7 +1185,7 @@ void
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usage(int ret)
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{
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fprintf(stderr,
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- "usage: nc [-46DdhjklnrStUuvz] [-I length] [-i interval] [-O length]\n"
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+ "usage: nc [-46CDdhjklnrStUuvz] [-I length] [-i interval] [-O length]\n"
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"\t [-P proxy_username] [-p source_port] [-s source] [-T toskeyword]\n"
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"\t [-V rtable] [-w timeout] [-X proxy_protocol]\n"
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"\t [-x proxy_address[:port]] [destination] [port]\n");
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--
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