package/busybox/patches/460-truncated_ping_results.patch

   1 --- a/networking/ping.c
   2 +++ b/networking/ping.c
   3 @@ -91,7 +91,7 @@ static void ping4(len_and_sockaddr *lsa)
   4         struct sockaddr_in pingaddr;
   5         struct icmp *pkt;
   6         int pingsock, c;
   7 -       char packet[DEFDATALEN + MAXIPLEN + MAXICMPLEN];
   8 +       char packet[datalen + ICMP_MINLEN + MAXIPLEN + MAXICMPLEN];
   9
  10         pingsock = create_icmp_socket();
  11         pingaddr = lsa->u.sin;
  12 @@ -101,7 +101,7 @@ static void ping4(len_and_sockaddr *lsa)
  13         pkt->icmp_type = ICMP_ECHO;
  14         pkt->icmp_cksum = in_cksum((unsigned short *) pkt, sizeof(packet));
  15
  16 -       c = xsendto(pingsock, packet, DEFDATALEN + ICMP_MINLEN,
  17 +       c = xsendto(pingsock, packet, datalen + ICMP_MINLEN,
  18                            (struct sockaddr *) &pingaddr, sizeof(pingaddr));
  19
  20         /* listen for replies */
  21 @@ -135,7 +135,7 @@ static void ping6(len_and_sockaddr *lsa)
  22         struct icmp6_hdr *pkt;
  23         int pingsock, c;
  24         int sockopt;
  25 -       char packet[DEFDATALEN + MAXIPLEN + MAXICMPLEN];
  26 +       char packet[datalen + ICMP_MINLEN + MAXIPLEN + MAXICMPLEN];
  27
  28         pingsock = create_icmp6_socket();
  29         pingaddr = lsa->u.sin6;
  30 @@ -147,7 +147,7 @@ static void ping6(len_and_sockaddr *lsa)
  31         sockopt = offsetof(struct icmp6_hdr, icmp6_cksum);
  32         setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, &sockopt, sizeof(sockopt));
  33
  34 -       c = xsendto(pingsock, packet, DEFDATALEN + sizeof (struct icmp6_hdr),
  35 +       c = xsendto(pingsock, packet, datalen + sizeof (struct icmp6_hdr),
  36                            (struct sockaddr *) &pingaddr, sizeof(pingaddr));
  37
  38         /* listen for replies */