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Patch from KRONSTORFER Horst to Fix a size mismatch in ping, such as the 56/84

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mismatch inthe following example:
  # ping -c 1 172.16.2.1
  PING 172.16.2.1 (172.16.2.1): 56 data bytes
  84 bytes from 172.16.2.1: icmp_seq=0 ttl=64 time=0.2 ms
This commit is contained in:
Rob Landley 2006-04-01 17:28:11 +00:00
parent b0c5445bf5
commit 07a637df47
2 changed files with 4 additions and 4 deletions
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4
networking/ping.c
View File

@ -108,7 +108,7 @@ static void ping(const char *host)
pkt->icmp_type = ICMP_ECHO; pkt->icmp_type = ICMP_ECHO;
pkt->icmp_cksum = in_cksum((unsigned short *) pkt, sizeof(packet)); pkt->icmp_cksum = in_cksum((unsigned short *) pkt, sizeof(packet));
c = sendto(pingsock, packet, sizeof(packet), 0, c = sendto(pingsock, packet, DEFDATALEN + ICMP_MINLEN, 0,
(struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in)); (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in));
if (c < 0 || c != sizeof(packet)) if (c < 0 || c != sizeof(packet))
@ -202,7 +202,7 @@ static void sendping(int junk)
{ {
struct icmp *pkt; struct icmp *pkt;
int i; int i;
char packet[datalen + sizeof(struct icmp)]; char packet[datalen + ICMP_MINLEN];
pkt = (struct icmp *) packet; pkt = (struct icmp *) packet;

4
networking/ping6.c
View File

@ -111,7 +111,7 @@ static void ping(const char *host)
setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, (char *) &sockopt, setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, (char *) &sockopt,
sizeof(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)); (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in6));
if (c < 0 || c != sizeof(packet)) if (c < 0 || c != sizeof(packet))
@ -204,7 +204,7 @@ static void sendping(int junk)
{ {
struct icmp6_hdr *pkt; struct icmp6_hdr *pkt;
int i; int i;
char packet[datalen + 8]; char packet[datalen + sizeof (struct icmp6_hdr)];
pkt = (struct icmp6_hdr *) packet; pkt = (struct icmp6_hdr *) packet;