diff options
Diffstat (limited to 'networking/ping6.c')
| -rw-r--r-- | networking/ping6.c | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/networking/ping6.c b/networking/ping6.c index a92387e79..ccb19b2b5 100644 --- a/networking/ping6.c +++ b/networking/ping6.c @@ -48,7 +48,7 @@ static void ping(const char *host); /* simple version */ -static struct hostent *h; +//static struct hostent *h; static void noresp(int ign) { @@ -58,6 +58,7 @@ static void noresp(int ign) static void ping(const char *host) { + len_and_sockaddr *lsa;// struct sockaddr_in6 pingaddr; struct icmp6_hdr *pkt; int pingsock, c; @@ -66,11 +67,12 @@ static void ping(const char *host) pingsock = create_icmp6_socket(); - memset(&pingaddr, 0, sizeof(pingaddr)); - - pingaddr.sin6_family = AF_INET6; - h = xgethostbyname2(host, AF_INET6); - memcpy(&pingaddr.sin6_addr, h->h_addr, sizeof(pingaddr.sin6_addr)); + //memset(&pingaddr, 0, sizeof(pingaddr)); + //pingaddr.sin6_family = AF_INET6; + //h = xgethostbyname2(host, AF_INET6); + //memcpy(&pingaddr.sin6_addr, h->h_addr, sizeof(pingaddr.sin6_addr)); + lsa = host_and_af2sockaddr(host, 0, AF_INET6); + pingaddr = lsa->sin6; pkt = (struct icmp6_hdr *) packet; memset(pkt, 0, sizeof(packet)); @@ -88,7 +90,7 @@ static void ping(const char *host) } signal(SIGALRM, noresp); - alarm(5); /* give the host 5000ms to respond */ + alarm(5); /* give the host 5000ms to respond */ /* listen for replies */ while (1) { struct sockaddr_in6 from; @@ -107,7 +109,8 @@ static void ping(const char *host) break; } } - if (ENABLE_FEATURE_CLEAN_UP) close(pingsock); + if (ENABLE_FEATURE_CLEAN_UP) + close(pingsock); printf("%s is alive!\n", h->h_name); } @@ -141,7 +144,8 @@ static int myid; static unsigned long tmin = ULONG_MAX, tmax, tsum; static char rcvd_tbl[MAX_DUP_CHK / 8]; -static struct hostent *hostent; +//static struct hostent *hostent; +char *hostname; static void sendping(int); static void pingstats(int); @@ -161,7 +165,7 @@ static void pingstats(int junk) signal(SIGINT, SIG_IGN); - printf("\n--- %s ping statistics ---\n", hostent->h_name); + printf("\n--- %s ping statistics ---\n", hostname); printf("%lu packets transmitted, ", ntransmitted); printf("%lu packets received, ", nreceived); if (nrepeats) @@ -314,6 +318,7 @@ static void unpack(char *packet, int sz, struct sockaddr_in6 *from, int hoplimit extern int BUG_bad_offsetof_icmp6_cksum(void); static void ping(const char *host) { + len_and_sockaddr *lsa;// char packet[datalen + MAXIPLEN + MAXICMPLEN]; char buf[INET6_ADDRSTRLEN]; int sockopt; @@ -324,14 +329,15 @@ static void ping(const char *host) pingsock = create_icmp6_socket(); - memset(&pingaddr, 0, sizeof(pingaddr)); - - pingaddr.sin6_family = AF_INET6; - hostent = xgethostbyname2(host, AF_INET6); - if (hostent->h_addrtype != AF_INET6) - bb_error_msg_and_die("unknown address type; only AF_INET6 is currently supported"); - - memcpy(&pingaddr.sin6_addr, hostent->h_addr, sizeof(pingaddr.sin6_addr)); + //memset(&pingaddr, 0, sizeof(pingaddr)); + //pingaddr.sin6_family = AF_INET6; + //hostent = xgethostbyname2(host, AF_INET6); + //if (hostent->h_addrtype != AF_INET6) + // bb_error_msg_and_die("unknown address type; only AF_INET6 is currently supported"); + //memcpy(&pingaddr.sin6_addr, hostent->h_addr, sizeof(pingaddr.sin6_addr)); + lsa = host_and_af2sockaddr(host, 0, AF_INET6); + hostname = xmalloc_sockaddr2host_noport(&lsa->sa, lsa->len); + pingaddr = lsa->sin6; #ifdef ICMP6_FILTER { @@ -367,7 +373,7 @@ static void ping(const char *host) pingaddr.sin6_scope_id = if_index; printf("PING %s (%s): %d data bytes\n", - hostent->h_name, + hostname, inet_ntop(AF_INET6, &pingaddr.sin6_addr, buf, sizeof(buf)), datalen); |