There are a number of reasons for reinventing printf(). Writing status to

[oweals/busybox.git] / networking / ping6.c

diff --git a/networking/ping6.c b/networking/ping6.c
index 47ab7c15461941bfeafbd90938aed1439580782f..767aafd2a91b76eb1b791d0e7def276e6005cc8d 100644 (file)
--- a/networking/ping6.c
+++ b/networking/ping6.c
@@ -5,19 +5,7 @@
  *
  * Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  *
  * This version of ping is adapted from the ping in netkit-base 0.10,
  * which is:
@@ -37,9 +25,8 @@
 #include <sys/param.h>
 #include <sys/socket.h>
 #include <sys/file.h>
-#include <sys/time.h>
 #include <sys/times.h>
-#include <sys/signal.h>
+#include <signal.h>
 
 #include <netinet/in.h>
 #include <netinet/ip6.h>
@@ -111,7 +98,7 @@ static void ping(const char *host)
        setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, (char *) &sockopt,
                           sizeof(sockopt));
 
-       c = sendto(pingsock, packet, sizeof(packet), 0,
+       c = sendto(pingsock, packet, DEFDATALEN + sizeof (struct icmp6_hdr), 0,
                           (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in6));
 
        if (c < 0 || c != sizeof(packet))
@@ -204,7 +191,7 @@ static void sendping(int junk)
 {
        struct icmp6_hdr *pkt;
        int i;
-       char packet[datalen + 8];
+       char packet[datalen + sizeof (struct icmp6_hdr)];
 
        pkt = (struct icmp6_hdr *) packet;
 
@@ -236,15 +223,16 @@ static void sendping(int junk)
        }
 }
 
-/* libc defines have changed around on us, whee ! */
-#ifndef ICMP6_MEMBERSHIP_QUERY
-# define ICMP6_MEMBERSHIP_QUERY MLD_LISTENER_QUERY
+/* RFC3542 changed some definitions from RFC2292 for no good reason, whee !
+ * the newer 3542 uses a MLD_ prefix where as 2292 uses ICMP6_ prefix */
+#ifndef MLD_LISTENER_QUERY
+# define MLD_LISTENER_QUERY ICMP6_MEMBERSHIP_QUERY
 #endif
-#ifndef ICMP6_MEMBERSHIP_REPORT
-# define ICMP6_MEMBERSHIP_REPORT MLD_LISTENER_REPORT
+#ifndef MLD_LISTENER_REPORT
+# define MLD_LISTENER_REPORT ICMP6_MEMBERSHIP_REPORT
 #endif
-#ifndef ICMP6_MEMBERSHIP_REDUCTION
-# define ICMP6_MEMBERSHIP_REDUCTION MLD_LISTENER_REDUCTION
+#ifndef MLD_LISTENER_REDUCTION
+# define MLD_LISTENER_REDUCTION ICMP6_MEMBERSHIP_REDUCTION
 #endif
 static char *icmp6_type_name (int id)
 {
@@ -255,9 +243,9 @@ static char *icmp6_type_name (int id)
        case ICMP6_PARAM_PROB:                          return "Parameter Problem";
        case ICMP6_ECHO_REPLY:                          return "Echo Reply";
        case ICMP6_ECHO_REQUEST:                        return "Echo Request";
-       case ICMP6_MEMBERSHIP_QUERY:            return "Membership Query";
-       case ICMP6_MEMBERSHIP_REPORT:           return "Membership Report";
-       case ICMP6_MEMBERSHIP_REDUCTION:        return "Membership Reduction";
+       case MLD_LISTENER_QUERY:                        return "Listener Query";
+       case MLD_LISTENER_REPORT:                       return "Listener Report";
+       case MLD_LISTENER_REDUCTION:            return "Listener Reduction";
        default:                                                        return "unknown ICMP type";
        }
 }
@@ -311,7 +299,7 @@ static void unpack(char *packet, int sz, struct sockaddr_in6 *from, int hoplimit
                        return;
 
                printf("%d bytes from %s: icmp6_seq=%u", sz,
-                          inet_ntop(AF_INET6, (struct in_addr6 *) &pingaddr.sin6_addr,
+                          inet_ntop(AF_INET6, &pingaddr.sin6_addr,
                                                 buf, sizeof(buf)),
                           icmppkt->icmp6_seq);
                printf(" ttl=%d time=%lu.%lu ms", hoplimit,
@@ -351,12 +339,6 @@ static void ping(const char *host)
                struct icmp6_filter filt;
                if (!(options & O_VERBOSE)) {
                        ICMP6_FILTER_SETBLOCKALL(&filt);
-#if 0
-                       if ((options & F_FQDN) || (options & F_FQDNOLD) ||
-                               (options & F_NODEADDR) || (options & F_SUPTYPES))
-                               ICMP6_FILTER_SETPASS(ICMP6_NI_REPLY, &filt);
-                       else
-#endif
                                ICMP6_FILTER_SETPASS(ICMP6_ECHO_REPLY, &filt);
                } else {
                        ICMP6_FILTER_SETPASSALL(&filt);
@@ -392,7 +374,7 @@ static void ping(const char *host)
 
        printf("PING %s (%s): %d data bytes\n",
                   hostent->h_name,
-                          inet_ntop(AF_INET6, (struct in_addr6 *) &pingaddr.sin6_addr,
+                          inet_ntop(AF_INET6, &pingaddr.sin6_addr,
                                                 buf, sizeof(buf)),
                   datalen);