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authorGravatar Eric Andersen <andersen@codepoet.org>2001-08-02 10:55:32 +0000
committerGravatar Eric Andersen <andersen@codepoet.org>2001-08-02 10:55:32 +0000
commitbe0c36009a342de3599d498d6f150030b6a75b98 (patch)
tree5af27e4751ecae51387a99872b66a8cd6e621caa /networking
parent23b1e5c7df2e619654d0a53785fcdef5072b40ed (diff)
downloadbusybox-be0c36009a342de3599d498d6f150030b6a75b98.tar.gz
busybox-be0c36009a342de3599d498d6f150030b6a75b98.tar.bz2
More libc5 fixups
-Erik
Diffstat (limited to 'networking')
-rw-r--r--networking/traceroute.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/networking/traceroute.c b/networking/traceroute.c
index f4c67cf41..a3abd0a00 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -81,6 +81,96 @@
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
+
+ /* It turns out that libc5 doesn't have proper icmp support
+ * built into it header files, so we have to supplement it */
+#if __GNU_LIBRARY__ < 5
+static const int ICMP_MINLEN = 8; /* abs minimum */
+
+struct icmp_ra_addr
+{
+ u_int32_t ira_addr;
+ u_int32_t ira_preference;
+};
+
+
+struct icmp
+{
+ u_int8_t icmp_type; /* type of message, see below */
+ u_int8_t icmp_code; /* type sub code */
+ u_int16_t icmp_cksum; /* ones complement checksum of struct */
+ union
+ {
+ u_char ih_pptr; /* ICMP_PARAMPROB */
+ struct in_addr ih_gwaddr; /* gateway address */
+ struct ih_idseq /* echo datagram */
+ {
+ u_int16_t icd_id;
+ u_int16_t icd_seq;
+ } ih_idseq;
+ u_int32_t ih_void;
+
+ /* ICMP_UNREACH_NEEDFRAG -- Path MTU Discovery (RFC1191) */
+ struct ih_pmtu
+ {
+ u_int16_t ipm_void;
+ u_int16_t ipm_nextmtu;
+ } ih_pmtu;
+
+ struct ih_rtradv
+ {
+ u_int8_t irt_num_addrs;
+ u_int8_t irt_wpa;
+ u_int16_t irt_lifetime;
+ } ih_rtradv;
+ } icmp_hun;
+#define icmp_pptr icmp_hun.ih_pptr
+#define icmp_gwaddr icmp_hun.ih_gwaddr
+#define icmp_id icmp_hun.ih_idseq.icd_id
+#define icmp_seq icmp_hun.ih_idseq.icd_seq
+#define icmp_void icmp_hun.ih_void
+#define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void
+#define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu
+#define icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs
+#define icmp_wpa icmp_hun.ih_rtradv.irt_wpa
+#define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime
+ union
+ {
+ struct
+ {
+ u_int32_t its_otime;
+ u_int32_t its_rtime;
+ u_int32_t its_ttime;
+ } id_ts;
+ struct
+ {
+ struct ip idi_ip;
+ /* options and then 64 bits of data */
+ } id_ip;
+ struct icmp_ra_addr id_radv;
+ u_int32_t id_mask;
+ u_int8_t id_data[1];
+ } icmp_dun;
+#define icmp_otime icmp_dun.id_ts.its_otime
+#define icmp_rtime icmp_dun.id_ts.its_rtime
+#define icmp_ttime icmp_dun.id_ts.its_ttime
+#define icmp_ip icmp_dun.id_ip.idi_ip
+#define icmp_radv icmp_dun.id_radv
+#define icmp_mask icmp_dun.id_mask
+#define icmp_data icmp_dun.id_data
+};
+
+#define ICMP_MINLEN 8 /* abs minimum */
+#define ICMP_UNREACH 3 /* dest unreachable, codes: */
+#define ICMP_TIMXCEED 11 /* time exceeded, code: */
+#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */
+#define ICMP_UNREACH_NET 0 /* bad net */
+#define ICMP_UNREACH_HOST 1 /* bad host */
+#define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */
+#define ICMP_UNREACH_PORT 3 /* bad port */
+#define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */
+#define ICMP_UNREACH_SRCFAIL 5 /* src route failed */
+#endif
#define MAXPACKET 65535 /* max ip packet size */