diff options
Diffstat (limited to 'toys/netcat.c')
| -rw-r--r-- | toys/netcat.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/toys/netcat.c b/toys/netcat.c index a6d93644..573a76ca 100644 --- a/toys/netcat.c +++ b/toys/netcat.c @@ -1,18 +1,35 @@ -/* vi: set sw=4 ts=4: */ -/* nc: mini-netcat - Forward stdin/stdout to a file or network connection. +/* vi: set sw=4 ts=4: + * + * nc: mini-netcat - Forward stdin/stdout to a file or network connection. * * Copyright 2007 Rob Landley <rob@landley.net> * * Not in SUSv3. - */ + +config NETCAT + bool "netcat" + default n + help + usage: netcat [-iwlp] {IPADDR PORTNUM|-f FILENAME} [-e COMMAND] + + -e exec the rest of the command line + -i SECONDS delay after each line sent + -w SECONDS timeout for connection + -f filename use file (ala /dev/ttyS0) instead of network + -l listen for incoming connection (twice for persistent connection) + -p local port number + -s local source address + -q SECONDS quit this many seconds after EOF on stdin. + + Use -l twice with -e for a quick-and-dirty server. + + Use "stty 115200 -F /dev/ttyS0 && stty raw -echo -ctlecho" with + netcat -f to connect to a serial port. +*/ #include "toys.h" #include "toynet.h" -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> - #define TT toy.netcat static void timeout(int signum) |