More libc5 fixups

[android-x86/external-busybox.git] / traceroute.c

diff --git a/traceroute.c b/traceroute.c
index f4c67cf..a3abd0a 100644 (file)
--- a/traceroute.c
+++ b/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 */