[BusyBox] bug#1242: marked as done (netcat '-i' option)
BusyBox.net bug Tracking System
owner at busybox.net
Fri Apr 26 18:16:03 UTC 2002
Your message dated Fri, 26 Apr 2002 18:00:50 -0600
with message-id <20020427000049.GB3265 at codepoet.org>
and subject line [BusyBox] bug#1242: netcat '-i' option
has caused the attached bug report to be marked as done.
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If this is not the case it is now your responsibility to reopen the
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Erik Andersen
(administrator, BusyBox.net bugs database)
--------------------------------------
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>From cristian.ionescu-idbohrn at axis.com Sat Apr 20 14:00:33 2002
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Date: Sat, 20 Apr 2002 22:00:20 +0200 (CEST)
From: Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn at axis.com>
Sender: cii at cicero.axis.se
Reply-To: Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn at axis.com>
To: submit at bugs.busybox.net
Subject: netcat '-i' option
Message-ID: <Pine.LNX.4.44.0204202130020.22502-100000 at cicero.axis.se>
Organisation: Axis Communications AB <http://www.axis.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Package: busybox
Version: 0.61.pre+cvs+2002-04-20:21:01
Severity: wishlist
Would you please add the '-i' option to netcat. It seems to be
required in order to be able to talk to an smtp-server.
This script below (which I'd like to use to be informed when the
floppyfw firewall dhcp-assigned-ip-address changes) works with a full
blown netcat, but not with the busybox one:
,---- nc-mail ----
| #!/bin/sh -e
|
| SMTP_HOST_=<smtp-server name/ip>
| FROM_HOST_=<ffw-hostname>
| FROM_=<sender email-address>
| TO_=<receipient email-adress>
|
| FFWEXTIP_=`ifconfig eth0 | grep 'addr:' | cut -d\: -f2 | cut -d\ -f1`
| TIME_=`date +%Y-%m-%d:%T`
|
|
| echo "EHLO $FROM_HOST_
| MAIL From: $FROM_
| RCPT To: $TO_
| DATA
| From: $FROM_
| To: $TO_
| Subject: time: $TIME_, extip: $FFWEXTIP_
| .
| QUIT" | nc -i 1 $SMTP_HOST_ 25
|
| exit 0
`----
It looks like the mods required would be minimal. Here is a patch (not
tested yet):
--- networking/nc.c.original Wed May 16 17:40:48 2001
+++ networking/nc.c Sat Apr 20 21:49:33 2002
@@ -42,7 +42,7 @@
int nc_main(int argc, char **argv)
{
- int do_listen = 0, lport = 0, tmpfd, opt, sfd;
+ int do_listen = 0, delay = 0, lport = 0, tmpfd, opt, sfd;
char buf[BUFSIZ];
struct sockaddr_in address;
@@ -52,6 +52,9 @@ int nc_main(int argc, char **argv)
while ((opt = getopt(argc, argv, "lp:")) > 0) {
switch (opt) {
+ case 'i':
+ delay = atoi(optarg);
+ break;
case 'l':
do_listen++;
break;
@@ -131,6 +134,10 @@ int nc_main(int argc, char **argv)
if (full_write(ofd, buf, nread) < 0)
perror_msg_and_die("write");
+
+ if (delay > 0) {
+ sleep(delay);
+ }
}
}
}
Cheers,
Cristian
---------------------------------------
Received: (at 1242-done) by bugs.busybox.net; 27 Apr 2002 00:00:52 +0000
>From andersen at codepoet.org Fri Apr 26 18:00:51 2002
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Date: Fri, 26 Apr 2002 18:00:50 -0600
From: Erik Andersen <andersen at codepoet.org>
To: Cristian Ionescu-Idbohrn <cristian.ionescu-idbohrn at axis.com>,
1242-done at bugs.busybox.net
Subject: Re: [BusyBox] bug#1242: netcat '-i' option
Message-ID: <20020427000049.GB3265 at codepoet.org>
Reply-To: andersen at codepoet.org
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On Sat Apr 20, 2002 at 10:00:20PM +0200, Cristian Ionescu-Idbohrn wrote:
> Package: busybox
> Version: 0.61.pre+cvs+2002-04-20:21:01
> Severity: wishlist
>
> Would you please add the '-i' option to netcat. It seems to be
> required in order to be able to talk to an smtp-server.
done.
-Erik
--
Erik B. Andersen http://codepoet-consulting.com/
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