diff options
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/ping.c | 19 | ||||
| -rw-r--r-- | networking/ping6.c | 48 |
2 files changed, 32 insertions, 35 deletions
diff --git a/networking/ping.c b/networking/ping.c index 5cd6f4a..8ccb7e0 100644 --- a/networking/ping.c +++ b/networking/ping.c @@ -31,7 +31,6 @@ #include <stdlib.h> #include "busybox.h" - enum { DEFDATALEN = 56, MAXIPLEN = 60, @@ -78,7 +77,8 @@ static int in_cksum(unsigned short *buf, int sz) /* simple version */ #ifndef CONFIG_FEATURE_FANCY_PING -static char *hostname = NULL; +static char *hostname; + static void noresp(int ign) { printf("No response from %s\n", hostname); @@ -163,10 +163,7 @@ static int myid, options; static unsigned long tmin = ULONG_MAX, tmax, tsum; static char rcvd_tbl[MAX_DUP_CHK / 8]; -#ifndef CONFIG_FEATURE_FANCY_PING6 -static -#endif - struct hostent *hostent; +static struct hostent *hostent; static void sendping(int); static void pingstats(int); @@ -278,11 +275,11 @@ static void unpack(char *buf, int sz, struct sockaddr_in *from) icmppkt = (struct icmp *) (buf + hlen); if (icmppkt->icmp_id != myid) - return; /* not our ping */ + return; /* not our ping */ if (icmppkt->icmp_type == ICMP_ECHOREPLY) { u_int16_t recv_seq = ntohs(icmppkt->icmp_seq); - ++nreceived; + ++nreceived; tp = (struct timeval *) icmppkt->icmp_data; if ((tv.tv_usec -= tp->tv_usec) < 0) { @@ -352,7 +349,7 @@ static void ping(const char *host) sizeof(sockopt)); printf("PING %s (%s): %d data bytes\n", - hostent->h_name, + hostent->h_name, inet_ntoa(*(struct in_addr *) &pingaddr.sin_addr.s_addr), datalen); @@ -400,13 +397,13 @@ int ping_main(int argc, char **argv) break; case 'c': if (--argc <= 0) - bb_show_usage(); + bb_show_usage(); argv++; pingcount = atoi(*argv); break; case 's': if (--argc <= 0) - bb_show_usage(); + bb_show_usage(); argv++; datalen = atoi(*argv); break; diff --git a/networking/ping6.c b/networking/ping6.c index fd695f1..fdcd4ec 100644 --- a/networking/ping6.c +++ b/networking/ping6.c @@ -68,7 +68,7 @@ static void ping(const char *host); #ifndef CONFIG_FEATURE_FANCY_PING6 static struct hostent *h; -void noresp(int ign) +static void noresp(int ign) { printf("No response from %s\n", h->h_name); exit(EXIT_FAILURE); @@ -101,8 +101,10 @@ static void ping(const char *host) c = sendto(pingsock, packet, DEFDATALEN + sizeof (struct icmp6_hdr), 0, (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in6)); - if (c < 0 || c != sizeof(packet)) + if (c < 0 || c != sizeof(packet)) { + if (ENABLE_FEATURE_CLEAN_UP) close(pingsock); bb_perror_msg_and_die("sendto"); + } signal(SIGALRM, noresp); alarm(5); /* give the host 5000ms to respond */ @@ -124,6 +126,7 @@ static void ping(const char *host) break; } } + if (ENABLE_FEATURE_CLEAN_UP) close(pingsock); printf("%s is alive!\n", h->h_name); return; } @@ -150,10 +153,7 @@ static int myid, options; static unsigned long tmin = ULONG_MAX, tmax, tsum; static char rcvd_tbl[MAX_DUP_CHK / 8]; -# ifdef CONFIG_FEATURE_FANCY_PING -extern -# endif - struct hostent *hostent; +static struct hostent *hostent; static void sendping(int); static void pingstats(int); @@ -267,10 +267,10 @@ static void unpack(char *packet, int sz, struct sockaddr_in6 *from, int hoplimit icmppkt = (struct icmp6_hdr *) packet; if (icmppkt->icmp6_id != myid) - return; /* not our ping */ + return; /* not our ping */ if (icmppkt->icmp6_type == ICMP6_ECHO_REPLY) { - ++nreceived; + ++nreceived; tp = (struct timeval *) &icmppkt->icmp6_data8[4]; if ((tv.tv_usec -= tp->tv_usec) < 0) { @@ -339,7 +339,7 @@ static void ping(const char *host) struct icmp6_filter filt; if (!(options & O_VERBOSE)) { ICMP6_FILTER_SETBLOCKALL(&filt); - ICMP6_FILTER_SETPASS(ICMP6_ECHO_REPLY, &filt); + ICMP6_FILTER_SETPASS(ICMP6_ECHO_REPLY, &filt); } else { ICMP6_FILTER_SETPASSALL(&filt); } @@ -374,8 +374,8 @@ static void ping(const char *host) printf("PING %s (%s): %d data bytes\n", hostent->h_name, - inet_ntop(AF_INET6, &pingaddr.sin6_addr, - buf, sizeof(buf)), + inet_ntop(AF_INET6, &pingaddr.sin6_addr, + buf, sizeof(buf)), datalen); signal(SIGINT, pingstats); @@ -384,18 +384,18 @@ static void ping(const char *host) sendping(0); /* listen for replies */ - msg.msg_name=&from; - msg.msg_namelen=sizeof(from); - msg.msg_iov=&iov; - msg.msg_iovlen=1; - msg.msg_control=control_buf; - iov.iov_base=packet; - iov.iov_len=sizeof(packet); + msg.msg_name = &from; + msg.msg_namelen = sizeof(from); + msg.msg_iov = &iov; + msg.msg_iovlen = 1; + msg.msg_control = control_buf; + iov.iov_base = packet; + iov.iov_len = sizeof(packet); while (1) { int c; struct cmsghdr *cmsgptr = NULL; - int hoplimit=-1; - msg.msg_controllen=sizeof(control_buf); + int hoplimit = -1; + msg.msg_controllen = sizeof(control_buf); if ((c = recvmsg(pingsock, &msg, 0)) < 0) { if (errno == EINTR) @@ -407,7 +407,7 @@ static void ping(const char *host) cmsgptr = CMSG_NXTHDR(&msg, cmsgptr)) { if (cmsgptr->cmsg_level == SOL_IPV6 && cmsgptr->cmsg_type == IPV6_HOPLIMIT ) { - hoplimit=*(int*)CMSG_DATA(cmsgptr); + hoplimit = *(int*)CMSG_DATA(cmsgptr); } } unpack(packet, c, &from, hoplimit); @@ -441,19 +441,19 @@ int ping6_main(int argc, char **argv) break; case 'c': if (--argc <= 0) - bb_show_usage(); + bb_show_usage(); argv++; pingcount = atoi(*argv); break; case 's': if (--argc <= 0) - bb_show_usage(); + bb_show_usage(); argv++; datalen = atoi(*argv); break; case 'I': if (--argc <= 0) - bb_show_usage(); + bb_show_usage(); argv++; ifname = *argv; break; |