arp: fix -H/-t handling.

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

diff --git a/networking/ping.c b/networking/ping.c
index 7a9c2d1f03ffbacb8a70a6175316771807323885..3df67f5c39845125339ce54daf05abf9423b4735 100644 (file)
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -29,6 +29,22 @@
 #include <netinet/ip_icmp.h>
 #include "libbb.h"
 
+#ifdef __BIONIC__
+/* should be in netinet/ip_icmp.h */
+# define ICMP_DEST_UNREACH    3  /* Destination Unreachable  */
+# define ICMP_SOURCE_QUENCH   4  /* Source Quench    */
+# define ICMP_REDIRECT        5  /* Redirect (change route)  */
+# define ICMP_ECHO            8  /* Echo Request      */
+# define ICMP_TIME_EXCEEDED  11  /* Time Exceeded    */
+# define ICMP_PARAMETERPROB  12  /* Parameter Problem    */
+# define ICMP_TIMESTAMP      13  /* Timestamp Request    */
+# define ICMP_TIMESTAMPREPLY 14  /* Timestamp Reply    */
+# define ICMP_INFO_REQUEST   15  /* Information Request    */
+# define ICMP_INFO_REPLY     16  /* Information Reply    */
+# define ICMP_ADDRESS        17  /* Address Mask Request    */
+# define ICMP_ADDRESSREPLY   18  /* Address Mask Reply    */
+#endif
+
 //config:config PING
 //config:      bool "ping"
 //config:      default y
@@ -73,7 +89,6 @@
 //usage:       "[OPTIONS] HOST"
 //usage:# define ping_full_usage "\n\n"
 //usage:       "Send ICMP ECHO_REQUEST packets to network hosts\n"
-//usage:     "\nOptions:"
 //usage:     "\n       -4,-6           Force IP or IPv6 name resolution"
 //usage:     "\n       -c CNT          Send only CNT pings"
 //usage:     "\n       -s SIZE         Send SIZE data bytes in packets (default:56)"
@@ -90,7 +105,6 @@
 //usage:       "[OPTIONS] HOST"
 //usage:# define ping6_full_usage "\n\n"
 //usage:       "Send ICMP ECHO_REQUEST packets to network hosts\n"
-//usage:     "\nOptions:"
 //usage:     "\n       -c CNT          Send only CNT pings"
 //usage:     "\n       -s SIZE         Send SIZE data bytes in packets (default:56)"
 //usage:     "\n       -I IFACE/IP     Use interface or IP address as source"
@@ -135,31 +149,6 @@ enum {
        PINGINTERVAL = 1, /* 1 second */
 };
 
-/* Common routines */
-
-static int in_cksum(unsigned short *buf, int sz)
-{
-       int nleft = sz;
-       int sum = 0;
-       unsigned short *w = buf;
-       unsigned short ans = 0;
-
-       while (nleft > 1) {
-               sum += *w++;
-               nleft -= 2;
-       }
-
-       if (nleft == 1) {
-               *(unsigned char *) (&ans) = *(unsigned char *) w;
-               sum += ans;
-       }
-
-       sum = (sum >> 16) + (sum & 0xFFFF);
-       sum += (sum >> 16);
-       ans = ~sum;
-       return ans;
-}
-
 #if !ENABLE_FEATURE_FANCY_PING
 
 /* Simple version */
@@ -187,7 +176,7 @@ static void ping4(len_and_sockaddr *lsa)
        pkt = (struct icmp *) G.packet;
        memset(pkt, 0, sizeof(G.packet));
        pkt->icmp_type = ICMP_ECHO;
-       pkt->icmp_cksum = in_cksum((unsigned short *) pkt, sizeof(G.packet));
+       pkt->icmp_cksum = inet_cksum((uint16_t *) pkt, sizeof(G.packet));
 
        xsendto(pingsock, G.packet, DEFDATALEN + ICMP_MINLEN, &lsa->u.sa, lsa->len);
 
@@ -479,7 +468,7 @@ static void sendping4(int junk UNUSED_PARAM)
                /* No hton: we'll read it back on the same machine */
                *(uint32_t*)&pkt->icmp_dun = monotonic_us();
 
-       pkt->icmp_cksum = in_cksum((unsigned short *) pkt, datalen + ICMP_MINLEN);
+       pkt->icmp_cksum = inet_cksum((uint16_t *) pkt, datalen + ICMP_MINLEN);
 
        sendping_tail(sendping4, ICMP_MINLEN);
 }
@@ -498,7 +487,7 @@ static void sendping6(int junk UNUSED_PARAM)
        /*if (datalen >= 4)*/
                *(uint32_t*)(&pkt->icmp6_data8[4]) = monotonic_us();
 
-       //TODO? pkt->icmp_cksum = in_cksum(...);
+       //TODO? pkt->icmp_cksum = inet_cksum(...);
 
        sendping_tail(sendping6, sizeof(struct icmp6_hdr));
 }
@@ -624,7 +613,7 @@ static void unpack4(char *buf, int sz, struct sockaddr_in *from)
        }
 }
 #if ENABLE_PING6
-static void unpack6(char *packet, int sz, /*struct sockaddr_in6 *from,*/ int hoplimit)
+static void unpack6(char *packet, int sz, struct sockaddr_in6 *from, int hoplimit)
 {
        struct icmp6_hdr *icmppkt;
        char buf[INET6_ADDRSTRLEN];
@@ -644,7 +633,7 @@ static void unpack6(char *packet, int sz, /*struct sockaddr_in6 *from,*/ int hop
                if (sz >= sizeof(struct icmp6_hdr) + sizeof(uint32_t))
                        tp = (uint32_t *) &icmppkt->icmp6_data8[4];
                unpack_tail(sz, tp,
-                       inet_ntop(AF_INET6, &pingaddr.sin6.sin6_addr,
+                       inet_ntop(AF_INET6, &from->sin6_addr,
                                        buf, sizeof(buf)),
                        recv_seq, hoplimit);
        } else if (icmppkt->icmp6_type != ICMP6_ECHO_REQUEST) {
@@ -735,7 +724,7 @@ static void ping6(len_and_sockaddr *lsa)
                        ICMP6_FILTER_SETPASSALL(&filt);
                }
                if (setsockopt(pingsock, IPPROTO_ICMPV6, ICMP6_FILTER, &filt,
-                                          sizeof(filt)) < 0)
+                                       sizeof(filt)) < 0)
                        bb_error_msg_and_die("setsockopt(ICMP6_FILTER)");
        }
 #endif /*ICMP6_FILTER*/
@@ -794,7 +783,7 @@ static void ping6(len_and_sockaddr *lsa)
                                move_from_unaligned_int(hoplimit, CMSG_DATA(mp));
                        }
                }
-               unpack6(G.rcv_packet, c, /*&from,*/ hoplimit);
+               unpack6(G.rcv_packet, c, &from, hoplimit);
                if (pingcount && nreceived >= pingcount)
                        break;
        }