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authorDenis Vlasenko2007-01-22 22:45:27 +0000
committerDenis Vlasenko2007-01-22 22:45:27 +0000
commit9adc6ced4fcab4d8a068874c55d5f563ce9e62f9 (patch)
tree586266ceaeff8f26c8f08b24b2ad0df1630097e6 /networking/ping6.c
parent448f0241e06e7df2003b7f8afcf01e7406762b4e (diff)
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ping6: stop using xgethostbyname2, remove it from libbb.
Diffstat (limited to 'networking/ping6.c')
-rw-r--r--networking/ping6.c44
1 files changed, 25 insertions, 19 deletions
diff --git a/networking/ping6.c b/networking/ping6.c
index a92387e..ccb19b2 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);