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Several more updates

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-Erik
This commit is contained in:
Erik Andersen
2000-04-25 23:24:55 +00:00
parent f93a95de69
commit 227a59b05d
13 changed files with 189 additions and 28 deletions
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38
networking/ping.c
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@@ -1,6 +1,6 @@
/* vi: set sw=4 ts=4: */
/*
* $Id: ping.c,v 1.13 2000/04/21 01:26:49 erik Exp $
* $Id: ping.c,v 1.14 2000/04/25 23:24:55 erik Exp $
* Mini ping implementation for busybox
*
* Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
@@ -262,6 +262,26 @@ static void sendping(int ign)
}
}
static char *icmp_type_name (int id)
{
switch (id) {
case ICMP_ECHOREPLY: return "Echo Reply";
case ICMP_DEST_UNREACH: return "Destination Unreachable";
case ICMP_SOURCE_QUENCH: return "Source Quench";
case ICMP_REDIRECT: return "Redirect (change route)";
case ICMP_ECHO: return "Echo Request";
case ICMP_TIME_EXCEEDED: return "Time Exceeded";
case ICMP_PARAMETERPROB: return "Parameter Problem";
case ICMP_TIMESTAMP: return "Timestamp Request";
case ICMP_TIMESTAMPREPLY: return "Timestamp Reply";
case ICMP_INFO_REQUEST: return "Information Request";
case ICMP_INFO_REPLY: return "Information Reply";
case ICMP_ADDRESS: return "Address Mask Request";
case ICMP_ADDRESSREPLY: return "Address Mask Reply";
default: return "unknown ICMP type";
}
}
static void unpack(char *buf, int sz, struct sockaddr_in *from)
{
struct icmp *icmppkt;
@@ -282,10 +302,11 @@ static void unpack(char *buf, int sz, struct sockaddr_in *from)
sz -= hlen;
icmppkt = (struct icmp *) (buf + hlen);
if (icmppkt->icmp_id != myid)
return; /* not our ping */
if (icmppkt->icmp_type == ICMP_ECHOREPLY) {
if (icmppkt->icmp_id != myid)
return; /* not our ping */
++nreceived;
++nreceived;
tp = (struct timeval *) icmppkt->icmp_data;
if ((tv.tv_usec -= tp->tv_usec) < 0) {
@@ -321,10 +342,11 @@ static void unpack(char *buf, int sz, struct sockaddr_in *from)
if (dupflag)
printf(" (DUP!)");
printf("\n");
} else {
fprintf(stderr,
"Warning: unknown ICMP packet received (not echo-reply)\n");
}
} else
if (icmppkt->icmp_type != ICMP_ECHO)
fprintf(stderr,
"Warning: Got ICMP %d (%s)\n",
icmppkt->icmp_type, icmp_type_name (icmppkt->icmp_type));
}
static void ping(char *host)